Abstract
Background
Neuropathic pain (NP) is a common condition accompanied by nerve injury. To date, there is no definite treatment approved for this disorder. In addition, many drugs that are used for NP cause adverse reactions. Luteolin is a naturally occurring flavonoid with diverse pharmacological properties such as anti-inflammatory, antioxidant and anticancer. We sought to investigate luteolin effects on chronic, acute and neuropathic pain as well as its potential to increase morphine anti-nociceptive effects in mice.
Methods
Albino mice (20–25 g) were randomly divided into 14 groups (n=7) including morphine 1 mg/kg body weight +luteolin (5 mg/kg body weight), morphine (9 mg/kg body weight, i.p.), luteolin (2.5, 5 and 10 mg/kg body weight), imipramine 40 mg/kg body weight and normal saline (NS) (0.9 %) as vehicle and subjected to hot plate test. Formalin test was done in the following groups: NS, diclofenac sodium (10 mg/kg body weight, i.p.), morphine (9 mg/kg body weight, i.p.) and luteolin (2.5, 5 and 10 mg/kg body weight).
Results
Administration of luteolin single dose (5 and 10 mg/kg body weight) significantly reduced neuropathic pain (
Conclusions
Our results showed that luteolin alone reduces neuropathic pain. Furthermore, when co-administered with morphine 1 mg/kg body weight, luteolin potentiates morphine effects. Therefore, luteolin-morphine co-administration might be a valuable alternative for the conventional treatment.
Acknowledgments
The study is a part of a Pharm. D. student thesis supported by research council of Zabol Medical University, Zabol, Iran.
Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: None declared.
Employment or leadership: None declared.
Honorarium: None declared.
Competing interests: The funding organization(s) played no role in the study design; in the collection, analysis, and interpretation of data; in the writing of the report; or in the decision to submit the report for publication.
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© 2017 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Review
- Herbal approach in the treatment of pancytopenia
- Medical Education
- Attitudes, skill and use of evidence-based practice among US Western herbal medicine providers: a national survey
- Naturopaths in Ontario, Canada: geographic patterns in intermediately-sized metropolitan areas and integration implications
- Preclinical Studies
- Effects of luteolin and luteolin-morphine co-administration on acute and chronic pain and sciatic nerve ligated-induced neuropathy in mice
- In vivo analgesic, antipyretic and anti-inflammatory potential of leaf extracts and fractions of Eria javanica
- Modulatory effects of melatonin and vitamin C on oxidative stress-mediated haemolytic anaemia and associated cardiovascular dysfunctions in rats
- Phenolic compounds from Citrus leaves: antioxidant activity and enzymatic browning inhibition
- Berberis vulgaris L. effects on oxidative stress and liver injury in lead-intoxicated mice
- Organo-protective and antioxidant properties of leaf extracts of Syzygium guineense var macrocarpum against ferric nitriloacetate-induced stress of Wistar rats
- Clinical Studies
- Acupuncture decreases competitive anxiety prior to a competition in young athletes: a randomized controlled trial pilot study
- Case Report
- Herbal and dietary supplements related to diarrhea and acute kidney injury: a case report
Articles in the same Issue
- Review
- Herbal approach in the treatment of pancytopenia
- Medical Education
- Attitudes, skill and use of evidence-based practice among US Western herbal medicine providers: a national survey
- Naturopaths in Ontario, Canada: geographic patterns in intermediately-sized metropolitan areas and integration implications
- Preclinical Studies
- Effects of luteolin and luteolin-morphine co-administration on acute and chronic pain and sciatic nerve ligated-induced neuropathy in mice
- In vivo analgesic, antipyretic and anti-inflammatory potential of leaf extracts and fractions of Eria javanica
- Modulatory effects of melatonin and vitamin C on oxidative stress-mediated haemolytic anaemia and associated cardiovascular dysfunctions in rats
- Phenolic compounds from Citrus leaves: antioxidant activity and enzymatic browning inhibition
- Berberis vulgaris L. effects on oxidative stress and liver injury in lead-intoxicated mice
- Organo-protective and antioxidant properties of leaf extracts of Syzygium guineense var macrocarpum against ferric nitriloacetate-induced stress of Wistar rats
- Clinical Studies
- Acupuncture decreases competitive anxiety prior to a competition in young athletes: a randomized controlled trial pilot study
- Case Report
- Herbal and dietary supplements related to diarrhea and acute kidney injury: a case report