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Published in: Inflammopharmacology 6/2016

01-12-2016 | Original Article

Amelioration of oxidative and inflammatory changes by Swertia chirayita leaves in experimental arthritis

Authors: Harsha Lad, Deepak Bhatnagar

Published in: Inflammopharmacology | Issue 6/2016

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Abstract

The present study was aimed to determine the therapeutic effects of Swertia chirayita leaves against oxidative and inflammatory injuries in Freund’s complete adjuvant (FCA) induced arthritic rats. The extract was evaluated for its phytoconstituents and various invitro antioxidant properties followed by its in vivo effects. The hydroethanolic extract of S. chirayita leaves (SCE) was orally administered (200 mg/kg body weight, per day, p.o.) and the effect on the liver lipid peroxidation (LPO), antioxidant status, protein carbonyl formation along with the histopathology of liver were evaluated after induction of adjuvant arthritis. The markers of inflammation and arthritis, such as tumor necrosis factor—α (TNF-α), interleukin 1α (IL-1α), inhibition of paw edema, along with the histological and radiographic changes in the arthritic ankle joint were studied with and without SCE administration. The result showed the presence of major phytoconstituents, such as phenolic, flavonoid and terpenoid content in SCE. HPLC analysis revealed the presence of swertiamarin and amarogentin in high concentration. The extract also showed in vitro antioxidant potential which has positive correlation with the phytoconstituents. The result of in vivo study showed elevated malondialdehyde (MDA) and carbonyl content indicative of LPO and protein oxidation, respectively, with compromised intracellular antioxidant defense system in arthritic rats, which were significantly normalized after SCE treatment. The increase in serum proinflammatory cytokines (TNF- α and IL-1α) and paw edema of arthritic rats was significantly suppressed by SCE. Histology and radiographic analysis of arthritic ankle joints indicated abnormal changes. Marked reduction in inflammation and arthritic changes were observed after treatment with SCE. The present investigation suggests that hydroethanolic extract of S. chirayita leaves exhibit potential immunomodulatory effects, which may possibly be due to boosting the intracellular antioxidant defense.
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Metadata
Title
Amelioration of oxidative and inflammatory changes by Swertia chirayita leaves in experimental arthritis
Authors
Harsha Lad
Deepak Bhatnagar
Publication date
01-12-2016
Publisher
Springer International Publishing
Published in
Inflammopharmacology / Issue 6/2016
Print ISSN: 0925-4692
Electronic ISSN: 1568-5608
DOI
https://doi.org/10.1007/s10787-016-0290-3

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