| ORIGINAL ARTICLE |
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| Year : 2016 | Volume
: 12
| Issue : 47 | Page : 178-183 |
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Anti-arthritic effects of total flavonoids from Juniperus sabina on complete freund's adjuvant induced arthritis in rats
Jun Zhao1, Tao Liu2, Fang Xu2, Shuping You2, Fang Xu1, Chenyang Li1, Zhengyi Gu1
1 Xinjiang Key Laboratory Uighur Medicine, Institute of Materia Medica of Xinjiang, Urumqi , 830004, China
2 Department of Toxicology, College of Public Health, Xinjiang Medical University, Urumqi , 830011, China
Correspondence Address:
Jun Zhao
Xinjiang Key Laboratory Uighur Medicine, Institute of Materia Medica of Xinjiang, Urumqi , 830004
China
Zhengyi Gu
Xinjiang Key Laboratory Uighur Medicine, Institute of Materia Medica of Xinjiang, Urumqi , 830004
China
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/0973-1296.186346
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Context: Twigs and leaves of Juniperus sabina L. have been traditionally used as the medicinal herb in China for the treatment of many ailments including rheumatoid arthritis (RA). Aims: To confirm the therapeutic effect of total flavonoids from J. sabina (JSTF) on RA-induced by Complete Freund's Adjuvant (CFA) in rats. Settings and Design: Wistar rats (200 ± 20 g) were immunized by intradermal injection of 0.1 mL of CFA into the right hind metatarsal footpad. JSTF was administered orally at the dose of 125,250 and 500 mg/kg on 14 days after the induction of adjuvant arthritis. Tripterygium glycoside (20 mg/kg) was used as a positive control. Paw swelling, arthritic score, body weight loss, serum cytokines, inflammatory mediators, and histological change were measured. Results: We found that JSTF could ameliorate paw swelling of CFA rats, and significantly inhibit arthritic score (P < 0.05). The overproduction of tumor necrosis factor alpha and interleukin 1beta were remarkably suppressed in the serum of JSTF (125,500 mg/kg) treated rats (P < 0.05). Histopathological studies also showed a marked decrease of synovial inflammatory infiltration and synovial lining hyperplasia in the joints of JSTF-treated animals. Six flavonoids were isolated and from JSTF by various chromatographic methods and identified as follows: Catechin, quercitrin, isoquercitrin, isoscutellarein 7-O-β-D-xylopyranoside, isoscutellarein 7-O-β-D-xylopyranose-(1 → 3)-α-L-rhamnoside, and rutin. Conclusions: These results suggest the potential therapeutically effect of JSTF as an anti-arthritis agent toward CFA-induced arthritis in rats, and verified therapeutic applications of J. sabina on RA in folk medicine.
SUMMARY
- Twigs and leaves of Juniperus sabina L. have been traditionally used as the medicinal herb in China for the treatment of rheumatoid arthritis
- JSTF could ameliorate paw swelling of CFA rats, and significantly inhibit arthritic score
- Histopathological studies showed a marked decrease of synovial inflammatory infiltration and synovial lining hyperplasia in the joints of JSTF-reated animals
- Six flavonoids were isolated and from JSTF including: Catechin, quercitrin, isoquercitrin, isoscutellarein 7-O-β-D-xylopyranoside, isoscutellarein 7-O-βD-xylopyranose.(1→3).αL-rhamnoside, and rutin.
Abbreviations used: JSTF: Total flavonoids from Juniperus sabina; CFA: Complete Freund's Adjuvant; TG: Tripterygium glycoside; TNF-α: Tumor necrosis factor alpha; IL-1β: Interleukin 1beta; IL-6: Interleukin 6; H and E: Hematoxylin and eosin. |
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