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Neutrophilia with subclinical Cushing’s disease: A case report and literature review

  • Yan Zhang , Xiaoxi Lin , Fei Liu , Songtao Shou and Heng Jin EMAIL logo
Published/Copyright: January 24, 2023

Abstract

The increase in the level of neutrophils following subclinical Cushing’s disease is an uncommon clinical phenomenon that is characterized by insignificant biochemical or clinical evidence of hypercortisolism. In this study, we reported a 37-year-old female patient who presented with palpitations and fatigue, and showed increased neutrophils that were unaffected by anti-infection therapy. The patient was suspected of having a urinary tract infection because of occasionally with urinary frequency, urgency, increased procalcitonin, leukocytosis, and an increased proportion of neutrophils. The ineffectiveness of anti-infection therapy ruled out the possibility of urinary tract infection. Further examination of the bone marrow excluded the possibility of blood disease. However, the levels of blood cortisol and adrenocorticotropic hormone (ACTH) increased, and a magnetic resonance imaging examination revealed lesions in the sphenoidal sinus and sella area of the sphenoidal bone, which confirmed the relationship between increased glucocorticoids and increased neutrophils. This was further confirmed by follow-up surgery and pathological examination, which revealed silent corticotropin adenomas, which are characterized by the lack of biochemical or clinical evidence of hypercortisolism with positive immunostaining for ACTH.

1 Case presentation

A 37-year-old female patient was admitted to the Emergency Department of Tianjin Medical University’s General Hospital due to complaints of palpitations and fatigue for 1 week, which worsened over the last 4 days. One week before admission, the patient started having palpitations and fatigue, and occasionally with urinary frequency, without dysuria, fever, headache, dizziness, cough, abdominal pain, or diarrhea. She underwent a blood routine examination in another hospital, and the result showed an increase in the white blood cell count and the neutrophil percentage, a slight increase in procalcitonin (PCT), and five white blood cells/high power in urine. After 3 days of treatment with cephalosporin, the symptoms of palpitations and fatigue did not improve.

Since the onset of this illness, the patient had low energy levels, average appetite, good sleep, normal bowel movements, normal urination, and insignificant weight loss. There was no history of hypertension, diabetes, or coronary heart disease. The patient denied any history of hepatitis, tuberculosis, other infectious diseases, or any food allergies.

The patient presented at our hospital for further diagnosis and treatment. The white blood cell count and the percentage of neutrophils were high. The illness was still considered to be an infection, and the patient was treated with oral levofloxacin hydrochloride tablets. After administering the tablets for 3 days, the white blood cell count increased from 13.18 × 109/L to 19.0 × 109/L, and there was no change in the symptoms of palpitations or fatigue. The patient was admitted for further treatment.

At the time of admission, the patient’s body temperature was 36.2°C, pulse rate was 68 bpm, breathing rate was 17 bpm, and blood pressure was 120/72 mmHg. The patient showed mental anxiety, answered questions correctly, had a soft neck, no resistance, no thyroid enlargement, clear breath sounds in both lungs, no rales, good heart sounds, regular heart rhythms, a soft abdomen, no tenderness, rebound pain, and muscle tension. She had no percussion pain in the liver area, negative Murphy sign, no pain in the kidney area, bowel sounds four times per min, normal muscle strength in the limbs, and no swelling of the lower limbs.

  1. Informed consent: Informed consent has been obtained from all individuals included in this study.

  2. Ethical approval: The research related to human use has been complied with all the relevant national regulations, institutional policies and in accordance with the tenets of the Helsinki Declaration, and has been approved by the Medical Ethics Committee of “Tianjin Medical University General Hospital.”

2 Diagnosis and treatment

After admission, the serum levels of PCT, C-reactive protein (CRP), and interleukin-6 (IL-6) of the patient were in the normal range, blood (1–3)-β-D glucan and galactomannan (GM) tests were negative, and the temperature was normal. The results of laboratory tests are presented in Table 1.

Table 1

Results of laboratory tests

Variable 1 week before current admission On admission 1 week after current admission Reference range, adult
White cell count (×109/L) 19.46↑ 15.11↑ 15.4↑ 3.50–9.50
Hemoglobin (g/dL) 150 138 148 130–175
Platelets (×109/L) 311 261 307 125–350
Neutrophils (%) 83.6↑ 79.8↑ 80.2↑ 40–75
Neutrophil count (×109/L) 16.28↑ 12.05↑ 12.35↑ 1.8–6.3
Lymphocytes (%) 10.7 15 13.5 20–50
Lymphocyte count (×109/L) 2.08 2.27 2.35 1.10–3.20
Monocytes (%) 5.2 4.4 5 3.0–10.0
Monocyte count (×109/L) 1.01↑ 0.67↑ 0.77↑ 0.10–0.60
Albumin (g/L) 32 37 35–55
Alanine aminotransferase (U/L) 37 68↑ 5–40
Aspartate aminotransferase (U/L) 16 25 8–40
γ-glutamyl transferase (U/L) 18 27 7–49
Lactate dehydrogenase (U/L) 195 216 94–250
Urea nitrogen (mmol/L) 4.4 4.5 1.7–8.3
Serum creatinine (mmol/L) 47 47 44–115
Calcium (mmol/L) 2.06 2.33 2.15–2.55
Potassium (mmol/L) 3.5 4 3.5–5.3
Sodium (mmol/L) 143 138 136–145
Chloride (mmol/L) 107 101 96–108
FT3 (pmol/L) 3.55 2.43–6.01
FT4 (pmol/L) 11.13 9.01–19.05
T3 (nmol/L) 1.04 0.98–2.33
T4 (nmol/L) 86.54 62.68–150.84
Thyroid-stimulating hormone (µIU/mL) 1.191 0.350–4.940
Follicle-stimulating hormone (IU/L) 5.61 Follicle phase 3.03–8.08
Luteinizing hormone (IU/L) 2.22 Follicle phase 1.80–11.78
Prolactin (ng/mL) 6.62 Follicle phase 5.18–26.53
Cortisol (µg/dL) 34.3↑ 5.00–25.00
ACTH (pg/mL) 73.3↑ 0.00–46.00
Growth hormone (ng/mL) <0.05 0.06–5.00
Erythrocyte sedimentation rate (ESR) (mm/h) 14 0–20
CRP (mg/L) 0.35 0.00–10.00
IL-6 (pg/mL) <1.5 0.00–10.00
PCT (ng/mL) <0.04 0.04–0.50
Serum amyloid A (mg/L) 14.05↑ <10.00

We concluded that the increase in the neutrophil count was not related to infection. The bone marrow was aspirated to detect blood system diseases. Bone marrow hematopoiesis and the ratio of granule lines were normal, and there were no immature granulocytes (Figure 1), which excluded the possibility of hematological diseases.

Figure 1 
               Bone marrow smear of the patient. Wright stain performs to visualize normal and mature granulocytes. (a) Neutrophils in the bone marrow (arrows). (b) Lymphocytes in the bone marrow (arrows).
Figure 1

Bone marrow smear of the patient. Wright stain performs to visualize normal and mature granulocytes. (a) Neutrophils in the bone marrow (arrows). (b) Lymphocytes in the bone marrow (arrows).

We also analyzed the serum level of granulocyte colony-stimulating factor (G-CSF), and the result was negative. However, blood adrenocorticotropic hormone (ACTH) and cortisol levels were elevated. We further examined the function of the adrenal cortex and found no abnormalities in the adrenal glands using ultrasound, while contrast-enhanced magnetic resonance imaging (MRI) examinations of the pituitary showed masses in the sella turcica and suprasellar regions, suggesting the presence of tumorous lesions of pituitary origin (Figure 2).

Figure 2 
               Enhancement of the pituitary gland determined via MRI. The tumor was located in the sella turcica and suprasellar region (arrows).
Figure 2

Enhancement of the pituitary gland determined via MRI. The tumor was located in the sella turcica and suprasellar region (arrows).

Rough visual acuity in the ophthalmological consultation: 0.6 in the left eye, 0.1 in the right eye, and impaired rough visual field on both sides (left hemianopia). She underwent neurosurgery, and the pathological report indicated pituitary quiescent corticotropin cell adenoma (Figure 3). In the postoperative recheck, the blood parameters and adrenal corticosteroids were normal (including blood routine and glucocorticoid trend chart).

Figure 3 
               Pathological H&E staining of a pituitary tumor section (a: 100× and b: 400×). In panel (a), box with letter (b) was inserted and displayed the regions selected and enlarged at higher magnification.
Figure 3

Pathological H&E staining of a pituitary tumor section (a: 100× and b: 400×). In panel (a), box with letter (b) was inserted and displayed the regions selected and enlarged at higher magnification.

3 Pathological diagnosis

The patient was diagnosed with pituitary silent corticotropin adenomas (SCAs).

4 Discussion and review

Before admission, the patient occasionally showed frequent urination and urgency. The PCT, white blood cell count, and percentage of neutrophils increased. Urinary tract infection, which is also one of the causes of palpitations and fatigue, could not be ruled out. However, after the patient was admitted to the hospital, the PCT, CRP, and ESR were normal, and tests for viruses, fungi, and atypical bacteria were negative. Only neutrophils were elevated, which could not be decreased even by anti-infective treatment. In such cases, the causes of granulocyte increase other than infection should be considered. Therefore, bone marrow aspiration was performed. However, the results showed that bone marrow hematopoiesis was normal, and no immature granulocytes were found, ruling out the possibility of hematological diseases. Moreover, the patient was checked for rheumatism, tumor markers, thyroid function, blood G-CSF, and chest and abdomen CT. The results of these tests were negative, and the possibility of an increase in granulocytes caused by inflammatory factors to stimulate bone marrow hematopoiesis and abnormal secretion of CSF from the tumor was excluded. However, the levels of blood cortisol and ACTH were high, and further examination of the adrenal glands and pituitary gland showed that the pituitary space had lesions in the sphenoidal sinus and sellar area. Subsequently, the patient was transferred to the Department of Neurology for surgical resection, and the pathology was confirmed to be a pituitary tumor. Postoperative blood tests indicated that the levels of white blood cells and neutrophils, as well as blood cortisol concentration, returned to normal (Table 2). This further confirmed the correlation between the abnormal secretion of glucocorticoids and the increase in granulocytes.

Table 2

Comparison of blood tests

On admission Discharge Reference range, adult
White cell count (×109/L) 19.46↑ 7.6 3.50–9.50
Neutrophils count (×109/L) 16.28↑ 4.56 1.8–6.3
Cortisol (µg/dL) 34.3↑ 10.5 5.00–25.00
ACTH (pg/mL) 73.3↑ 9.62 0.00–46.00

Clinically, the main cause of the increase in neutrophils could be divided into infectious and non-infectious diseases (Table 3). The site of infection might be systemic (sepsis) or focal and insidious, such as the lungs, urinary tract, intra-abdominal cavity, bone marrow, and endocardium.

Table 3

Differential diagnosis for neutrophilia [1,2,3]

Non-infectious causes
Injury Acute bleeding, myocardial infarction, pulmonary infarction/pulmonary embolism, and mesenteric rupture
Drugs Vasoconstrictor drugs, glucocorticoids, heparin, lithium, G-CSF, and GM-CSF
Chronic inflammatory diseases Rheumatic fever, connective tissue diseases such as systemic lupus erythematosus, myositis, and adult still disease
Solid tumors Lung cancer, which may be related to the secretion of G-CSF by the tumor
Primary blood system diseases Accumulation and diffusion diseases (e.g., polycythemia vera), abnormal proliferation syndrome, leukemia, chronic hemolysis, and the absence of spleen
Excessive synthesis of adrenal cortex hormones or thyroxine Gradual increase in the number of white blood cells
Congenital diseases Down syndrome and mutation of the CSF3R gene
Infectious causes Bacteria, fungi, certain viruses, rickettsia, and other pathogenic microorganisms

From a pathophysiological perspective, the main reason for the increase in neutrophils in blood circulation is the increase in hematopoiesis or reserve release and the entry of cells from the marginated pool of blood vessels into the circulating pool [2,4,5]. Bacterial endotoxin stimulates hematopoiesis, which increases the number and proportion of granulocytes in the circulating pool. G-CSF is the main regulator that affects the production of physiological bone marrow granulocytes [6,7], including the induction of the differentiation of progenitor cells into the myeloid lineage, promotion of the proliferation of granulocyte precursor cells, reduction of the time of transition of the granulocyte compartment, and increase in the release of mature granulocytes. Hormones also change the number and proportion of granulocytes in the marginal pool and the circulating pool [8]. For example, glucocorticoids can increase the number of granulocytes in the marginal pool and the circulating pool, while epinephrine only promotes the entry of granulocytes from the marginal pool to the circulating pool [9].

Cushing’s syndrome, also known as hypercortisolism, was first reported by Harvey Cushing in 1912 [10]. It is mostly diagnosed based on the patient’s medical history, clinical manifestations, and auxiliary test results. Patients in the subclinical stage may present weight gain, fatigue, weakness, delayed wound healing, easy bruising, back pain, bone pain, mental and emotional issues, loss of libido, erectile dysfunction in males, irregular menstrual cycles in females, infertility, hyperhidrosis, hirsutism, and biparietal visual loss if there are large pituitary adenomas, recurrent fungal, and bacterial infections due to impaired immunity, and difficulty in combing hair or rising from a sitting position [11]. Psychological problems, such as cognitive dysfunction and depression, are common [12]. Some patients may develop severe osteopenia and bone fractures. The most common symptoms include abdominal obesity but with thin arms and legs, reddish stretch marks, a round red face, a lump of fat between the shoulders, weak muscles, weak bones, acne, and fragile skin that heals poorly. The less common symptoms include periods of mental changes with depression, anxiety, moodiness, or differential behavior, severe fatigue, headaches, thirst, and increased urge to urinate, as well as high blood pressure, blood sugar, cholesterol, and triglycerides [13,14]. The main diagnostic tests include 24-h urine-free cortisol, the dexamethasone suppression test, salivary and blood serum cortisol tests, examination of the ACTH levels, and rarely, an ACTH stimulation test [15,16]. Inferior petrosal sinus sampling (IPSS) or bilateral IPSS (BIPSS) is a more accurate test to differentiate pituitary from ectopic or adrenal Cushing’s syndrome [15], which is the gold standard to distinguish between Cushing’s disease and ectopic hypercortisolism [17].

Diagnosis based on etiology and localization is also essential. Intrinsic conditions include a clinical syndrome characterized by hypercortisolemia caused by various etiologies. Performing abdominal CT or pituitary MRI examinations might be the fastest and most accurate way to detect tumors. However, only 48% of the pituitary tumors are detected by performing MRI before surgery [18]. Tumors identified via MRI and confirmed by surgery have an average size of 6 mm [18]. The common cause of such tumors is the excessive secretion of ACTH by the pituitary, followed by adrenal cortex tumors and ectopic ACTH syndrome. Cushing’s disease is most often caused by a pituitary adenoma (specifically pituitary basophilism) or excess production of the corticotropin-releasing hormone that stimulates the synthesis of cortisol by the adrenal glands. Pituitary adenomas account for 80% of the cases with endogenous Cushing’s disease [19]. Long-term use of higher doses of glucocorticoids or ACTH can cause clinical manifestations such as Cushing’s syndrome, which is then called iatrogenic Cushing’s syndrome. Excess alcohol consumption can also cause similar problems [11]. The first line of treatment for hypercortisolism due to Cushing’s disease, adrenal tumor, or ectopic tumor is surgical resection [20]. However, sometimes, especially in Cushing’s disease, the tumors lack a distinct border with the pituitary gland, which greatly increases the risk of either recurrence or pituitary insufficiency after surgical resection [21]. Reoperation after initial surgery is necessary as long as the disease persists [20]. Pituitary radiation therapy is recommended for the treatment of postoperative persistent hypercortisolemia following unsuccessful transsphenoidal surgery or Cushing’s disease with mass effect or invasion of surrounding structures. Bilateral adrenalectomy is another strategy to immediately reduce the level of cortisol and control hypercortisolism [22]. This surgical operation may cause permanent adrenal cortical dysfunction, which needs corticosteroid replacement therapy throughout life [23]. The common complication that occurs after this surgery is Nelson’s syndrome, which is characterized by progressive cutaneous melanosis and enlargement of pituitary adenoma [24]. Another treatment strategy is the administration of oral medication. Inhibitors of steroid synthesis can inhibit cortisol synthesis but do not have a direct therapeutic effect on tumors or restore the normal function of the hypothalamic–pituitary–adrenal axis [25]. The commonly used drugs in this category include mitotane, amino-glutamate, ketoconazole, and etomidate [26,27]. Mifepristone, a glucocorticoid receptor antagonist, can relieve clinical symptoms but has negligible effects on pituitary and adrenal diseases [28]. It is suitable for patients who cannot undergo surgery. Strict monitoring is required during medication [29]. In addition to the management of Cushing’s syndrome, the treatment of comorbidities, such as diabetes mellitus, bone fractures due to osteoporosis, psychiatric issues, high blood pressure, kidney stones, peptic ulcer disease, electrolyte disorders, and susceptibility to infections, is also crucial [30,31]. The morbidity, mortality, and prognosis of Cushing’s syndrome are primarily related to complications and comorbidities [32].

Subclinical Cushing’s syndrome is a condition of hypercortisolism that occurs without typical signs and symptoms. It is associated with an adrenal mass and an increased risk of metabolic diseases, such as diabetes, hypertension, fragile fractures, cardiovascular events, and mortality [33]. Subclinical Cushing’s syndrome is not rare and is estimated to affect 0.2–2% of the adult population [34,35]. However, subclinical Cushing’s disease is defined as ACTH-induced mild hypercortisolism without the typical clinical symptoms of Cushing’s disease [36]. The first case of subclinical Cushing’s disease was reported by Kageyama et al. [37]. The diagnostic criteria were established in Japan in 2010, which included the presence of a pituitary adenoma on MRI, normal-to-high plasma ACTH levels, and normal cortisol levels in the morning, without a typical Cushingoid appearance [38]. Secretion of the inactive ACTH precursor and glucocorticoid resistance at the transcriptional level are two molecular pathogeneses of subclinical Cushing’s disease that might vary from classical Cushing’s disease [39]. SCAs are non-functional pituitary adenomas with positive immunostaining for ACTH. Unlike secretory ACTH pituitary adenomas in patients with Cushing’s disease, SCAs do not show biochemical or clinical signs of hypercortisolism. Instead, most SCAs are macroadenomas and are clinically non-functional adenomas (NFAs) that require resection due to mass-occupying effects [36]. Few SCAs develop into overt Cushing’s disease. The treatment of SCAs is the same as that for normal pituitary tumors. However, the recurrence rate of SCA tumors after surgery is high, which makes regular follow-up examinations essential [40].

Masri-Iraqi et al. [41] investigated the prevalence of leukocytosis in patients with Cushing’s disease and reported that patients with Cushing’s disease present with leukocytosis in approximately 40% of the cases. However, patients with subclinical Cushing’s disease due to pathological confirmed SCAs presented with elevated neutrophils are rare. This case indicated that leukocytosis might occur in subclinical Cushing’s disease.


# Yan Zhang and Xiaoxi Lin contributed equally to this work.

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Acknowledgements

The authors thank Professor Shuzhang Cui of Emergency Department of Tianjin Medical University General Hospital for the guidance of experimental design.

  1. Funding information: The current study received grants from the Science and Technology Fund of Tianjin Municipal Health Bureau (Grant Number: ZC20180) and the Science and Technology Fund of Tianjin Municipal Education Commission (Grant Number: 2021KJ216).

  2. Author contributions: Y.Z. and X.X.L. contributed equally to this work. H.J. put forward research ideas. H.J., Y.Z., and X.X.L. were responsible for drafting articles. Y.Z., F.L., and X.X.L. revised the article. H.J. and S.T.S. were responsible for literature searches and final proofreading. All authors contributed to the article and approved the submitted version.

  3. Conflict of interest: Authors state no conflict of interest.

  4. Data availability statement: Data sharing is not applicable to this article as no datasets were generated or analyzed during the current study.

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Received: 2022-08-22
Revised: 2022-10-29
Accepted: 2022-11-23
Published Online: 2023-01-24

© 2023 the author(s), published by De Gruyter

This work is licensed under the Creative Commons Attribution 4.0 International License.

Articles in the same Issue

  1. Biomedical Sciences
  2. Systemic investigation of inetetamab in combination with small molecules to treat HER2-overexpressing breast and gastric cancers
  3. Immunosuppressive treatment for idiopathic membranous nephropathy: An updated network meta-analysis
  4. Identifying two pathogenic variants in a patient with pigmented paravenous retinochoroidal atrophy
  5. Effects of phytoestrogens combined with cold stress on sperm parameters and testicular proteomics in rats
  6. A case of pulmonary embolism with bad warfarin anticoagulant effects caused by E. coli infection
  7. Neutrophilia with subclinical Cushing’s disease: A case report and literature review
  8. Isoimperatorin alleviates lipopolysaccharide-induced periodontitis by downregulating ERK1/2 and NF-κB pathways
  9. Immunoregulation of synovial macrophages for the treatment of osteoarthritis
  10. Novel CPLANE1 c.8948dupT (p.P2984Tfs*7) variant in a child patient with Joubert syndrome
  11. Antiphospholipid antibodies and the risk of thrombosis in myeloproliferative neoplasms
  12. Immunological responses of septic rats to combination therapy with thymosin α1 and vitamin C
  13. High glucose and high lipid induced mitochondrial dysfunction in JEG-3 cells through oxidative stress
  14. Pharmacological inhibition of the ubiquitin-specific protease 8 effectively suppresses glioblastoma cell growth
  15. Levocarnitine regulates the growth of angiotensin II-induced myocardial fibrosis cells via TIMP-1
  16. Age-related changes in peripheral T-cell subpopulations in elderly individuals: An observational study
  17. Single-cell transcription analysis reveals the tumor origin and heterogeneity of human bilateral renal clear cell carcinoma
  18. Identification of iron metabolism-related genes as diagnostic signatures in sepsis by blood transcriptomic analysis
  19. Long noncoding RNA ACART knockdown decreases 3T3-L1 preadipocyte proliferation and differentiation
  20. Surgery, adjuvant immunotherapy plus chemotherapy and radiotherapy for primary malignant melanoma of the parotid gland (PGMM): A case report
  21. Dosimetry comparison with helical tomotherapy, volumetric modulated arc therapy, and intensity-modulated radiotherapy for grade II gliomas: A single‑institution case series
  22. Soy isoflavone reduces LPS-induced acute lung injury via increasing aquaporin 1 and aquaporin 5 in rats
  23. Refractory hypokalemia with sexual dysplasia and infertility caused by 17α-hydroxylase deficiency and triple X syndrome: A case report
  24. Meta-analysis of cancer risk among end stage renal disease undergoing maintenance dialysis
  25. 6-Phosphogluconate dehydrogenase inhibition arrests growth and induces apoptosis in gastric cancer via AMPK activation and oxidative stress
  26. Experimental study on the optimization of ANM33 release in foam cells
  27. Primary retroperitoneal angiosarcoma: A case report
  28. Metabolomic analysis-identified 2-hydroxybutyric acid might be a key metabolite of severe preeclampsia
  29. Malignant pleural effusion diagnosis and therapy
  30. Effect of spaceflight on the phenotype and proteome of Escherichia coli
  31. Comparison of immunotherapy combined with stereotactic radiotherapy and targeted therapy for patients with brain metastases: A systemic review and meta-analysis
  32. Activation of hypermethylated P2RY1 mitigates gastric cancer by promoting apoptosis and inhibiting proliferation
  33. Association between the VEGFR-2 -604T/C polymorphism (rs2071559) and type 2 diabetic retinopathy
  34. The role of IL-31 and IL-34 in the diagnosis and treatment of chronic periodontitis
  35. Triple-negative mouse breast cancer initiating cells show high expression of beta1 integrin and increased malignant features
  36. mNGS facilitates the accurate diagnosis and antibiotic treatment of suspicious critical CNS infection in real practice: A retrospective study
  37. The apatinib and pemetrexed combination has antitumor and antiangiogenic effects against NSCLC
  38. Radiotherapy for primary thyroid adenoid cystic carcinoma
  39. Design and functional preliminary investigation of recombinant antigen EgG1Y162–EgG1Y162 against Echinococcus granulosus
  40. Effects of losartan in patients with NAFLD: A meta-analysis of randomized controlled trial
  41. Bibliometric analysis of METTL3: Current perspectives, highlights, and trending topics
  42. Performance comparison of three scaling algorithms in NMR-based metabolomics analysis
  43. PI3K/AKT/mTOR pathway and its related molecules participate in PROK1 silence-induced anti-tumor effects on pancreatic cancer
  44. The altered expression of cytoskeletal and synaptic remodeling proteins during epilepsy
  45. Effects of pegylated recombinant human granulocyte colony-stimulating factor on lymphocytes and white blood cells of patients with malignant tumor
  46. Prostatitis as initial manifestation of Chlamydia psittaci pneumonia diagnosed by metagenome next-generation sequencing: A case report
  47. NUDT21 relieves sevoflurane-induced neurological damage in rats by down-regulating LIMK2
  48. Association of interleukin-10 rs1800896, rs1800872, and interleukin-6 rs1800795 polymorphisms with squamous cell carcinoma risk: A meta-analysis
  49. Exosomal HBV-DNA for diagnosis and treatment monitoring of chronic hepatitis B
  50. Shear stress leads to the dysfunction of endothelial cells through the Cav-1-mediated KLF2/eNOS/ERK signaling pathway under physiological conditions
  51. Interaction between the PI3K/AKT pathway and mitochondrial autophagy in macrophages and the leukocyte count in rats with LPS-induced pulmonary infection
  52. Meta-analysis of the rs231775 locus polymorphism in the CTLA-4 gene and the susceptibility to Graves’ disease in children
  53. Cloning, subcellular localization and expression of phosphate transporter gene HvPT6 of hulless barley
  54. Coptisine mitigates diabetic nephropathy via repressing the NRLP3 inflammasome
  55. Significant elevated CXCL14 and decreased IL-39 levels in patients with tuberculosis
  56. Whole-exome sequencing applications in prenatal diagnosis of fetal bowel dilatation
  57. Gemella morbillorum infective endocarditis: A case report and literature review
  58. An unusual ectopic thymoma clonal evolution analysis: A case report
  59. Severe cumulative skin toxicity during toripalimab combined with vemurafenib following toripalimab alone
  60. Detection of V. vulnificus septic shock with ARDS using mNGS
  61. Novel rare genetic variants of familial and sporadic pulmonary atresia identified by whole-exome sequencing
  62. The influence and mechanistic action of sperm DNA fragmentation index on the outcomes of assisted reproduction technology
  63. Novel compound heterozygous mutations in TELO2 in an infant with You-Hoover-Fong syndrome: A case report and literature review
  64. ctDNA as a prognostic biomarker in resectable CLM: Systematic review and meta-analysis
  65. Diagnosis of primary amoebic meningoencephalitis by metagenomic next-generation sequencing: A case report
  66. Phylogenetic analysis of promoter regions of human Dolichol kinase (DOLK) and orthologous genes using bioinformatics tools
  67. Collagen changes in rabbit conjunctiva after conjunctival crosslinking
  68. Effects of NM23 transfection of human gastric carcinoma cells in mice
  69. Oral nifedipine and phytosterol, intravenous nicardipine, and oral nifedipine only: Three-arm, retrospective, cohort study for management of severe preeclampsia
  70. Case report of hepatic retiform hemangioendothelioma: A rare tumor treated with ultrasound-guided microwave ablation
  71. Curcumin induces apoptosis in human hepatocellular carcinoma cells by decreasing the expression of STAT3/VEGF/HIF-1α signaling
  72. Rare presentation of double-clonal Waldenström macroglobulinemia with pulmonary embolism: A case report
  73. Giant duplication of the transverse colon in an adult: A case report and literature review
  74. Ectopic thyroid tissue in the breast: A case report
  75. SDR16C5 promotes proliferation and migration and inhibits apoptosis in pancreatic cancer
  76. Vaginal metastasis from breast cancer: A case report
  77. Screening of the best time window for MSC transplantation to treat acute myocardial infarction with SDF-1α antibody-loaded targeted ultrasonic microbubbles: An in vivo study in miniswine
  78. Inhibition of TAZ impairs the migration ability of melanoma cells
  79. Molecular complexity analysis of the diagnosis of Gitelman syndrome in China
  80. Effects of maternal calcium and protein intake on the development and bone metabolism of offspring mice
  81. Identification of winter wheat pests and diseases based on improved convolutional neural network
  82. Ultra-multiplex PCR technique to guide treatment of Aspergillus-infected aortic valve prostheses
  83. Virtual high-throughput screening: Potential inhibitors targeting aminopeptidase N (CD13) and PIKfyve for SARS-CoV-2
  84. Immune checkpoint inhibitors in cancer patients with COVID-19
  85. Utility of methylene blue mixed with autologous blood in preoperative localization of pulmonary nodules and masses
  86. Integrated analysis of the microbiome and transcriptome in stomach adenocarcinoma
  87. Berberine suppressed sarcopenia insulin resistance through SIRT1-mediated mitophagy
  88. DUSP2 inhibits the progression of lupus nephritis in mice by regulating the STAT3 pathway
  89. Lung abscess by Fusobacterium nucleatum and Streptococcus spp. co-infection by mNGS: A case series
  90. Genetic alterations of KRAS and TP53 in intrahepatic cholangiocarcinoma associated with poor prognosis
  91. Granulomatous polyangiitis involving the fourth ventricle: Report of a rare case and a literature review
  92. Studying infant mortality: A demographic analysis based on data mining models
  93. Metaplastic breast carcinoma with osseous differentiation: A report of a rare case and literature review
  94. Protein Z modulates the metastasis of lung adenocarcinoma cells
  95. Inhibition of pyroptosis and apoptosis by capsaicin protects against LPS-induced acute kidney injury through TRPV1/UCP2 axis in vitro
  96. TAK-242, a toll-like receptor 4 antagonist, against brain injury by alleviates autophagy and inflammation in rats
  97. Primary mediastinum Ewing’s sarcoma with pleural effusion: A case report and literature review
  98. Association of ADRB2 gene polymorphisms and intestinal microbiota in Chinese Han adolescents
  99. Tanshinone IIA alleviates chondrocyte apoptosis and extracellular matrix degeneration by inhibiting ferroptosis
  100. Study on the cytokines related to SARS-Cov-2 in testicular cells and the interaction network between cells based on scRNA-seq data
  101. Effect of periostin on bone metabolic and autophagy factors during tooth eruption in mice
  102. HP1 induces ferroptosis of renal tubular epithelial cells through NRF2 pathway in diabetic nephropathy
  103. Intravaginal estrogen management in postmenopausal patients with vaginal squamous intraepithelial lesions along with CO2 laser ablation: A retrospective study
  104. Hepatocellular carcinoma cell differentiation trajectory predicts immunotherapy, potential therapeutic drugs, and prognosis of patients
  105. Effects of physical exercise on biomarkers of oxidative stress in healthy subjects: A meta-analysis of randomized controlled trials
  106. Identification of lysosome-related genes in connection with prognosis and immune cell infiltration for drug candidates in head and neck cancer
  107. Development of an instrument-free and low-cost ELISA dot-blot test to detect antibodies against SARS-CoV-2
  108. Research progress on gas signal molecular therapy for Parkinson’s disease
  109. Adiponectin inhibits TGF-β1-induced skin fibroblast proliferation and phenotype transformation via the p38 MAPK signaling pathway
  110. The G protein-coupled receptor-related gene signatures for predicting prognosis and immunotherapy response in bladder urothelial carcinoma
  111. α-Fetoprotein contributes to the malignant biological properties of AFP-producing gastric cancer
  112. CXCL12/CXCR4/CXCR7 axis in placenta tissues of patients with placenta previa
  113. Association between thyroid stimulating hormone levels and papillary thyroid cancer risk: A meta-analysis
  114. Significance of sTREM-1 and sST2 combined diagnosis for sepsis detection and prognosis prediction
  115. Diagnostic value of serum neuroactive substances in the acute exacerbation of chronic obstructive pulmonary disease complicated with depression
  116. Research progress of AMP-activated protein kinase and cardiac aging
  117. TRIM29 knockdown prevented the colon cancer progression through decreasing the ubiquitination levels of KRT5
  118. Cross-talk between gut microbiota and liver steatosis: Complications and therapeutic target
  119. Metastasis from small cell lung cancer to ovary: A case report
  120. The early diagnosis and pathogenic mechanisms of sepsis-related acute kidney injury
  121. The effect of NK cell therapy on sepsis secondary to lung cancer: A case report
  122. Erianin alleviates collagen-induced arthritis in mice by inhibiting Th17 cell differentiation
  123. Loss of ACOX1 in clear cell renal cell carcinoma and its correlation with clinical features
  124. Signalling pathways in the osteogenic differentiation of periodontal ligament stem cells
  125. Crosstalk between lactic acid and immune regulation and its value in the diagnosis and treatment of liver failure
  126. Clinicopathological features and differential diagnosis of gastric pleomorphic giant cell carcinoma
  127. Traumatic brain injury and rTMS-ERPs: Case report and literature review
  128. Extracellular fibrin promotes non-small cell lung cancer progression through integrin β1/PTEN/AKT signaling
  129. Knockdown of DLK4 inhibits non-small cell lung cancer tumor growth by downregulating CKS2
  130. The co-expression pattern of VEGFR-2 with indicators related to proliferation, apoptosis, and differentiation of anagen hair follicles
  131. Inflammation-related signaling pathways in tendinopathy
  132. CD4+ T cell count in HIV/TB co-infection and co-occurrence with HL: Case report and literature review
  133. Clinical analysis of severe Chlamydia psittaci pneumonia: Case series study
  134. Bioinformatics analysis to identify potential biomarkers for the pulmonary artery hypertension associated with the basement membrane
  135. Influence of MTHFR polymorphism, alone or in combination with smoking and alcohol consumption, on cancer susceptibility
  136. Catharanthus roseus (L.) G. Don counteracts the ampicillin resistance in multiple antibiotic-resistant Staphylococcus aureus by downregulation of PBP2a synthesis
  137. Combination of a bronchogenic cyst in the thoracic spinal canal with chronic myelocytic leukemia
  138. Bacterial lipoprotein plays an important role in the macrophage autophagy and apoptosis induced by Salmonella typhimurium and Staphylococcus aureus
  139. TCL1A+ B cells predict prognosis in triple-negative breast cancer through integrative analysis of single-cell and bulk transcriptomic data
  140. Ezrin promotes esophageal squamous cell carcinoma progression via the Hippo signaling pathway
  141. Ferroptosis: A potential target of macrophages in plaque vulnerability
  142. Predicting pediatric Crohn's disease based on six mRNA-constructed risk signature using comprehensive bioinformatic approaches
  143. Applications of genetic code expansion and photosensitive UAAs in studying membrane proteins
  144. HK2 contributes to the proliferation, migration, and invasion of diffuse large B-cell lymphoma cells by enhancing the ERK1/2 signaling pathway
  145. IL-17 in osteoarthritis: A narrative review
  146. Circadian cycle and neuroinflammation
  147. Probiotic management and inflammatory factors as a novel treatment in cirrhosis: A systematic review and meta-analysis
  148. Hemorrhagic meningioma with pulmonary metastasis: Case report and literature review
  149. SPOP regulates the expression profiles and alternative splicing events in human hepatocytes
  150. Knockdown of SETD5 inhibited glycolysis and tumor growth in gastric cancer cells by down-regulating Akt signaling pathway
  151. PTX3 promotes IVIG resistance-induced endothelial injury in Kawasaki disease by regulating the NF-κB pathway
  152. Pancreatic ectopic thyroid tissue: A case report and analysis of literature
  153. The prognostic impact of body mass index on female breast cancer patients in underdeveloped regions of northern China differs by menopause status and tumor molecular subtype
  154. Report on a case of liver-originating malignant melanoma of unknown primary
  155. Case report: Herbal treatment of neutropenic enterocolitis after chemotherapy for breast cancer
  156. The fibroblast growth factor–Klotho axis at molecular level
  157. Characterization of amiodarone action on currents in hERG-T618 gain-of-function mutations
  158. A case report of diagnosis and dynamic monitoring of Listeria monocytogenes meningitis with NGS
  159. Effect of autologous platelet-rich plasma on new bone formation and viability of a Marburg bone graft
  160. Small breast epithelial mucin as a useful prognostic marker for breast cancer patients
  161. Continuous non-adherent culture promotes transdifferentiation of human adipose-derived stem cells into retinal lineage
  162. Nrf3 alleviates oxidative stress and promotes the survival of colon cancer cells by activating AKT/BCL-2 signal pathway
  163. Favorable response to surufatinib in a patient with necrolytic migratory erythema: A case report
  164. Case report of atypical undernutrition of hypoproteinemia type
  165. Down-regulation of COL1A1 inhibits tumor-associated fibroblast activation and mediates matrix remodeling in the tumor microenvironment of breast cancer
  166. Sarcoma protein kinase inhibition alleviates liver fibrosis by promoting hepatic stellate cells ferroptosis
  167. Research progress of serum eosinophil in chronic obstructive pulmonary disease and asthma
  168. Clinicopathological characteristics of co-existing or mixed colorectal cancer and neuroendocrine tumor: Report of five cases
  169. Role of menopausal hormone therapy in the prevention of postmenopausal osteoporosis
  170. Precisional detection of lymph node metastasis using tFCM in colorectal cancer
  171. Advances in diagnosis and treatment of perimenopausal syndrome
  172. A study of forensic genetics: ITO index distribution and kinship judgment between two individuals
  173. Acute lupus pneumonitis resembling miliary tuberculosis: A case-based review
  174. Plasma levels of CD36 and glutathione as biomarkers for ruptured intracranial aneurysm
  175. Fractalkine modulates pulmonary angiogenesis and tube formation by modulating CX3CR1 and growth factors in PVECs
  176. Novel risk prediction models for deep vein thrombosis after thoracotomy and thoracoscopic lung cancer resections, involving coagulation and immune function
  177. Exploring the diagnostic markers of essential tremor: A study based on machine learning algorithms
  178. Evaluation of effects of small-incision approach treatment on proximal tibia fracture by deep learning algorithm-based magnetic resonance imaging
  179. An online diagnosis method for cancer lesions based on intelligent imaging analysis
  180. Medical imaging in rheumatoid arthritis: A review on deep learning approach
  181. Predictive analytics in smart healthcare for child mortality prediction using a machine learning approach
  182. Utility of neutrophil–lymphocyte ratio and platelet–lymphocyte ratio in predicting acute-on-chronic liver failure survival
  183. A biomedical decision support system for meta-analysis of bilateral upper-limb training in stroke patients with hemiplegia
  184. TNF-α and IL-8 levels are positively correlated with hypobaric hypoxic pulmonary hypertension and pulmonary vascular remodeling in rats
  185. Stochastic gradient descent optimisation for convolutional neural network for medical image segmentation
  186. Comparison of the prognostic value of four different critical illness scores in patients with sepsis-induced coagulopathy
  187. Application and teaching of computer molecular simulation embedded technology and artificial intelligence in drug research and development
  188. Hepatobiliary surgery based on intelligent image segmentation technology
  189. Value of brain injury-related indicators based on neural network in the diagnosis of neonatal hypoxic-ischemic encephalopathy
  190. Analysis of early diagnosis methods for asymmetric dementia in brain MR images based on genetic medical technology
  191. Early diagnosis for the onset of peri-implantitis based on artificial neural network
  192. Clinical significance of the detection of serum IgG4 and IgG4/IgG ratio in patients with thyroid-associated ophthalmopathy
  193. Forecast of pain degree of lumbar disc herniation based on back propagation neural network
  194. SPA-UNet: A liver tumor segmentation network based on fused multi-scale features
  195. Systematic evaluation of clinical efficacy of CYP1B1 gene polymorphism in EGFR mutant non-small cell lung cancer observed by medical image
  196. Rehabilitation effect of intelligent rehabilitation training system on hemiplegic limb spasms after stroke
  197. A novel approach for minimising anti-aliasing effects in EEG data acquisition
  198. ErbB4 promotes M2 activation of macrophages in idiopathic pulmonary fibrosis
  199. Clinical role of CYP1B1 gene polymorphism in prediction of postoperative chemotherapy efficacy in NSCLC based on individualized health model
  200. Lung nodule segmentation via semi-residual multi-resolution neural networks
  201. Evaluation of brain nerve function in ICU patients with Delirium by deep learning algorithm-based resting state MRI
  202. A data mining technique for detecting malignant mesothelioma cancer using multiple regression analysis
  203. Markov model combined with MR diffusion tensor imaging for predicting the onset of Alzheimer’s disease
  204. Effectiveness of the treatment of depression associated with cancer and neuroimaging changes in depression-related brain regions in patients treated with the mediator-deuterium acupuncture method
  205. Molecular mechanism of colorectal cancer and screening of molecular markers based on bioinformatics analysis
  206. Monitoring and evaluation of anesthesia depth status data based on neuroscience
  207. Exploring the conformational dynamics and thermodynamics of EGFR S768I and G719X + S768I mutations in non-small cell lung cancer: An in silico approaches
  208. Optimised feature selection-driven convolutional neural network using gray level co-occurrence matrix for detection of cervical cancer
  209. Incidence of different pressure patterns of spinal cerebellar ataxia and analysis of imaging and genetic diagnosis
  210. Pathogenic bacteria and treatment resistance in older cardiovascular disease patients with lung infection and risk prediction model
  211. Adoption value of support vector machine algorithm-based computed tomography imaging in the diagnosis of secondary pulmonary fungal infections in patients with malignant hematological disorders
  212. From slides to insights: Harnessing deep learning for prognostic survival prediction in human colorectal cancer histology
  213. Ecology and Environmental Science
  214. Monitoring of hourly carbon dioxide concentration under different land use types in arid ecosystem
  215. Comparing the differences of prokaryotic microbial community between pit walls and bottom from Chinese liquor revealed by 16S rRNA gene sequencing
  216. Effects of cadmium stress on fruits germination and growth of two herbage species
  217. Bamboo charcoal affects soil properties and bacterial community in tea plantations
  218. Optimization of biogas potential using kinetic models, response surface methodology, and instrumental evidence for biodegradation of tannery fleshings during anaerobic digestion
  219. Understory vegetation diversity patterns of Platycladus orientalis and Pinus elliottii communities in Central and Southern China
  220. Studies on macrofungi diversity and discovery of new species of Abortiporus from Baotianman World Biosphere Reserve
  221. Food Science
  222. Effect of berrycactus fruit (Myrtillocactus geometrizans) on glutamate, glutamine, and GABA levels in the frontal cortex of rats fed with a high-fat diet
  223. Guesstimate of thymoquinone diversity in Nigella sativa L. genotypes and elite varieties collected from Indian states using HPTLC technique
  224. Analysis of bacterial community structure of Fuzhuan tea with different processing techniques
  225. Untargeted metabolomics reveals sour jujube kernel benefiting the nutritional value and flavor of Morchella esculenta
  226. Mycobiota in Slovak wine grapes: A case study from the small Carpathians wine region
  227. Elemental analysis of Fadogia ancylantha leaves used as a nutraceutical in Mashonaland West Province, Zimbabwe
  228. Microbiological transglutaminase: Biotechnological application in the food industry
  229. Influence of solvent-free extraction of fish oil from catfish (Clarias magur) heads using a Taguchi orthogonal array design: A qualitative and quantitative approach
  230. Chromatographic analysis of the chemical composition and anticancer activities of Curcuma longa extract cultivated in Palestine
  231. The potential for the use of leghemoglobin and plant ferritin as sources of iron
  232. Investigating the association between dietary patterns and glycemic control among children and adolescents with T1DM
  233. Bioengineering and Biotechnology
  234. Biocompatibility and osteointegration capability of β-TCP manufactured by stereolithography 3D printing: In vitro study
  235. Clinical characteristics and the prognosis of diabetic foot in Tibet: A single center, retrospective study
  236. Agriculture
  237. Biofertilizer and NPSB fertilizer application effects on nodulation and productivity of common bean (Phaseolus vulgaris L.) at Sodo Zuria, Southern Ethiopia
  238. On correlation between canopy vegetation and growth indexes of maize varieties with different nitrogen efficiencies
  239. Exopolysaccharides from Pseudomonas tolaasii inhibit the growth of Pleurotus ostreatus mycelia
  240. A transcriptomic evaluation of the mechanism of programmed cell death of the replaceable bud in Chinese chestnut
  241. Melatonin enhances salt tolerance in sorghum by modulating photosynthetic performance, osmoregulation, antioxidant defense, and ion homeostasis
  242. Effects of plant density on alfalfa (Medicago sativa L.) seed yield in western Heilongjiang areas
  243. Identification of rice leaf diseases and deficiency disorders using a novel DeepBatch technique
  244. Artificial intelligence and internet of things oriented sustainable precision farming: Towards modern agriculture
  245. Animal Sciences
  246. Effect of ketogenic diet on exercise tolerance and transcriptome of gastrocnemius in mice
  247. Combined analysis of mRNA–miRNA from testis tissue in Tibetan sheep with different FecB genotypes
  248. Isolation, identification, and drug resistance of a partially isolated bacterium from the gill of Siniperca chuatsi
  249. Tracking behavioral changes of confined sows from the first mating to the third parity
  250. The sequencing of the key genes and end products in the TLR4 signaling pathway from the kidney of Rana dybowskii exposed to Aeromonas hydrophila
  251. Development of a new candidate vaccine against piglet diarrhea caused by Escherichia coli
  252. Plant Sciences
  253. Crown and diameter structure of pure Pinus massoniana Lamb. forest in Hunan province, China
  254. Genetic evaluation and germplasm identification analysis on ITS2, trnL-F, and psbA-trnH of alfalfa varieties germplasm resources
  255. Tissue culture and rapid propagation technology for Gentiana rhodantha
  256. Effects of cadmium on the synthesis of active ingredients in Salvia miltiorrhiza
  257. Cloning and expression analysis of VrNAC13 gene in mung bean
  258. Chlorate-induced molecular floral transition revealed by transcriptomes
  259. Effects of warming and drought on growth and development of soybean in Hailun region
  260. Effects of different light conditions on transient expression and biomass in Nicotiana benthamiana leaves
  261. Comparative analysis of the rhizosphere microbiome and medicinally active ingredients of Atractylodes lancea from different geographical origins
  262. Distinguish Dianthus species or varieties based on chloroplast genomes
  263. Comparative transcriptomes reveal molecular mechanisms of apple blossoms of different tolerance genotypes to chilling injury
  264. Study on fresh processing key technology and quality influence of Cut Ophiopogonis Radix based on multi-index evaluation
  265. An advanced approach for fig leaf disease detection and classification: Leveraging image processing and enhanced support vector machine methodology
  266. Erratum
  267. Erratum to “Protein Z modulates the metastasis of lung adenocarcinoma cells”
  268. Erratum to “BRCA1 subcellular localization regulated by PI3K signaling pathway in triple-negative breast cancer MDA-MB-231 cells and hormone-sensitive T47D cells”
  269. Retraction
  270. Retraction to “Protocatechuic acid attenuates cerebral aneurysm formation and progression by inhibiting TNF-alpha/Nrf-2/NF-kB-mediated inflammatory mechanisms in experimental rats”
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