Plasma Adiponectin and Hyperglycaemia in Diabetic Patients
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Edoardo Mannucci
Abstract
The insulin-sensitising adipose hormone adiponectin is reduced in type 2 diabetic patients. We assessed the relationships between plasma adiponectin and chronic hyperglycaemia. Adiponectin levels and glycated haemoglobin (HbA1c) were measured at enrolment and after 90 days in 16 patients with type 2 diabetes aged (mean ± SEM) 63.0±0.6 years, with body mass index (BMI) 30.2±0.5 kg/m2 and HbA1c concentration 7.4± 0.1%, who did not modify their hypoglycaemic treatment during the observation period. Furthermore, plasma adiponectin was measured in 29 adult patients with type 1 diabetes and compared with 29 control subjects matched for sex, age, BMI, waist circumference and bioimpedance-estimated fat mass. In type 2 diabetic patients at enrolment, adiponectin concentration correlated with BMI (r = −0.46; p < 0.05), but not with HbA1c. During the prospective observation, variations of adiponectin showed a significant correlation with variations of BMI (r = −0.47; p < 0.01), but not with variations of HbA1c concentration. These results were confirmed by multivariate analysis after adjustment for sex and age. Adiponectin levels in type 1 diabetic patients (380.8±13.7 ng/ml in women, 192.5±13.9 ng/ml in men) were significantly (p < 0.05) higher than in control subjects (277.6±11.0 ng/ml in women, 102.7±5.1 ng/ml in men); plasma adiponectin correlated significantly with BMI and waist circumference, but not with HbA1c. In conclusion, the reduction of plasma adiponectin levels in type 2 diabetic patients does not appear to be determined by chronic hyperglycaemia. Adiponectin levels are increased in type 1 diabetes, but this phenomenon is not attributable to differences in nutritional status or body composition.l21
Copyright © 2003 by Walter de Gruyter GmbH & Co. KG
Articles in the same Issue
- Editors' Introduction: Welcome to the Special Issue on Diabetes Mellitus
- Linking Research and Innovative Clinical Practice: The Story of Diabetes Mellitus
- Insulin Resistant States and Insulin Signaling
- Diabesity: An Inflammatory Metabolic Condition
- Plasma Adiponectin and Hyperglycaemia in Diabetic Patients
- Platelet Function and Acetyl-Coenzyme A Metabolism in Type 1 Diabetes Mellitus
- Oxidative Stress in Diabetes
- Carbonyl Stress and Diabetic Complications
- Chemical Modification of Proteins by Lipids in Diabetes
- Glyoxal and Methylglyoxal Levels in Diabetic Patients: Quantitative Determination by a New GC/MS Method
- Dyslipidemia in Patients with Type 2 Diabetes. Relationships between Lipids, Kidney Disease and Cardiovascular Disease
- Haemoglobin A1c – A Marker for Complications of Type 2 Diabetes: The Experience from the UK Prospective Diabetes Study (UKPDS)
- Glycated Hemoglobin Standardization – National Glycohemoglobin Standardization Program (NGSP) Perspective
- Haemoglobin A1c: Analysis and Standardisation
- Point-of-Care Testing in Diabetes Mellitus
- Evaluation of Portable Blood Glucose Meters. Problems and Recommendations
- Measurements of Glucose on the Skin Surface, in Stratum Corneum and in Transcutaneous Extracts: Implications for Physiological Sampling
- Biological Variability of Albumin Excretion Rate and Albumin-to-Creatinine Ratio in Hypertensive Type 2 Diabetic Patients
- Clinical and Laboratory Evaluation of Specific Chemiluminescence Assays for Intact and Total Proinsulin
- Clinical Impact of the New Criteria for the Diagnosis of Diabetes Mellitus
- The Effect of the New ADA and WHO Guidelines on the Number of Diagnosed Cases of Diabetes Mellitus
- Detecting Type 2 Diabetes by a Single Post-Challenge Blood Sample
- Laboratory Tests in Diagnosis and Management of Diabetes Mellitus. Practical Considerations
- Obesity, Glucose Intolerance and Diabetes and Their Links to Cardiovascular Disease. Implications for Laboratory Medicine
- Meetings and Awards
Articles in the same Issue
- Editors' Introduction: Welcome to the Special Issue on Diabetes Mellitus
- Linking Research and Innovative Clinical Practice: The Story of Diabetes Mellitus
- Insulin Resistant States and Insulin Signaling
- Diabesity: An Inflammatory Metabolic Condition
- Plasma Adiponectin and Hyperglycaemia in Diabetic Patients
- Platelet Function and Acetyl-Coenzyme A Metabolism in Type 1 Diabetes Mellitus
- Oxidative Stress in Diabetes
- Carbonyl Stress and Diabetic Complications
- Chemical Modification of Proteins by Lipids in Diabetes
- Glyoxal and Methylglyoxal Levels in Diabetic Patients: Quantitative Determination by a New GC/MS Method
- Dyslipidemia in Patients with Type 2 Diabetes. Relationships between Lipids, Kidney Disease and Cardiovascular Disease
- Haemoglobin A1c – A Marker for Complications of Type 2 Diabetes: The Experience from the UK Prospective Diabetes Study (UKPDS)
- Glycated Hemoglobin Standardization – National Glycohemoglobin Standardization Program (NGSP) Perspective
- Haemoglobin A1c: Analysis and Standardisation
- Point-of-Care Testing in Diabetes Mellitus
- Evaluation of Portable Blood Glucose Meters. Problems and Recommendations
- Measurements of Glucose on the Skin Surface, in Stratum Corneum and in Transcutaneous Extracts: Implications for Physiological Sampling
- Biological Variability of Albumin Excretion Rate and Albumin-to-Creatinine Ratio in Hypertensive Type 2 Diabetic Patients
- Clinical and Laboratory Evaluation of Specific Chemiluminescence Assays for Intact and Total Proinsulin
- Clinical Impact of the New Criteria for the Diagnosis of Diabetes Mellitus
- The Effect of the New ADA and WHO Guidelines on the Number of Diagnosed Cases of Diabetes Mellitus
- Detecting Type 2 Diabetes by a Single Post-Challenge Blood Sample
- Laboratory Tests in Diagnosis and Management of Diabetes Mellitus. Practical Considerations
- Obesity, Glucose Intolerance and Diabetes and Their Links to Cardiovascular Disease. Implications for Laboratory Medicine
- Meetings and Awards
