Notoginseng Radix and Rehmanniae Radix Preparata Extract Combination (YH23537) Reduces Pain and Cartilage Degeneration in Rats with Monosodium Iodoacetate-Induced Osteoarthritis.
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| Abstract |
Notoginseng Radix and Rehmanniae Radix Preparata have been widely used traditionally for treating inflammatory diseases. This research studies the therapeutic effects of YH23537, the extracts of Notoginseng Radix and Rehmanniae Radix Preparata, on pain and cartilage degeneration in an experimental osteoarthritis (OA) model. Male Wistar rats were inoculated intra-articularly with 3 mg of monosodium iodoacetate (MIA) in the right intra-articular. Four days later, the animals were administrated orally with YH23537 daily for 24 days. Tactile allodynia and weight bearing were measured. Macroscopic and microscopic observations for articular cartilage were performed at the end of the experiment. Protein expression in the joint was determined by immunohistochemistry. The effects of YH23537 on mRNA levels in chondrocytes stimulated with interleukin (IL)-1β were analyzed using random polymerase chain reaction. OA induction was confirmed by significant decrease of paw withdrawal latency, paw withdrawal threshold, and weight bearing compared with the normal group at 3 days after MIA injection. The YH23537-treated groups displayed significant increases in pain thresholds and weight bearing throughout the observation period. The damage to articular cartilage was significantly lessened visually and histopathologically by YH23537 treatment. YH23537 suppressed the expression of metalloproteinase-3, nitrotyrosine, IL-1β and IL-6 increased in OA joints. YH23537 upregulated tissue inhibitor of metalloproteinase (TIMP)-1 and TIMP-3 in IL-1β-stimulated human OA chondrocytes. The protein levels of the NF-κBp65 and HIF-2α in the joint tissues were reduced by YH23537. YH23537 exerted antinociceptive effects and cartilage protective effects in experimental OA rats by suppressing oxidative injury, inflammatory mediators, and inducing anabolic factors. We suggest that YH23537 may have efficacy for treating OA in humans.
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| Authors | Joo Yeon Jhun, Hyun Sik Na, Jang Woo Shin, Kyung Ah Jung, Hyeon Beom Seo, Jae Yoon Ryu, Jeong Won Choi, Su-Jin Moon, Hyun-Je Park, Se-Woong Oh, Mi-La Cho, Jun Ki Min |
| Journal | Journal of medicinal food (J Med Food) Vol. 21 Issue 8 Pg. 745-754 (Aug 2018) ISSN: 1557-7600 [Electronic] United States |
| PMID | 30110204 (Publication Type: Journal Article) |
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