모자반(Sargassum fulvellum) 주정 30% 추출물의 In Vitro에서의 연골 보호효과
Chondroprotective Effects of a 30% Ethanol Extract of Sargassum fulvellum
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Osteoarthritis (OA) is an inflammatory disease due to wear caused by the continuous use of cartilage. Although many drugs for treating OA are being studied, they have side effects, such as digestive disorders and cardiovascular diseases. Glucosamine, a drug derived from natural products, is known to be less effective. Therefore, the marine organism, Sargassum fulvellum, was studied to determine whether it contains substances with a chondroprotective effect on the inflammatory response of chondrocytes induced by interleukin-1β (IL-1β). A 30% ethanol extract of S. fulvellum (SF30%EtOH) has therapeutic and few side effects. We first confirmed the presence of nitric oxide (NO) and the expression of inducible nitric oxide synthase (iNOS), which is expressed during inflammatory reactions. We then examined the expression of collagen type II, which is the main component of the extracellular matrix and cartilage. Finally, the expression of extracellular matrix degrading enzymes, MMPs and ADAMTS-4 and -5, was confirmed. The results showed that SF30%EtOH reduced the expression levels of NO, iNOS, MMPs, and ADAMT-4 and -5, and increased the expression level of collagen type II in chondrocytes induced with IL-1β. Therefore, SF30%EtOH has a chondroprotective effect against inflammation, indicating its potential use for the prevention and treatment of OA.
Abstract
Osteoarthritis (OA) is an inflammatory disease due to wear caused by the continuous use of cartilage. Although many drugs for treating OA are being studied, they have side effects, such as digestive disorders and cardiovascular diseases. Glucosamine, a drug derived from natural products, is known to be less effective. Therefore, the marine organism, Sargassum fulvellum, was studied to determine whether it contains substances with a chondroprotective effect on the inflammatory response of chondrocytes induced by interleukin-1β (IL-1β). A 30% ethanol extract of S. fulvellum (SF30%EtOH) has therapeutic and few side effects. We first confirmed the presence of nitric oxide (NO) and the expression of inducible nitric oxide synthase (iNOS), which is expressed during inflammatory reactions. We then examined the expression of collagen type II, which is the main component of the extracellular matrix and cartilage. Finally, the expression of extracellular matrix degrading enzymes, MMPs and ADAMTS-4 and -5, was confirmed. The results showed that SF30%EtOH reduced the expression levels of NO, iNOS, MMPs, and ADAMT-4 and -5, and increased the expression level of collagen type II in chondrocytes induced with IL-1β. Therefore, SF30%EtOH has a chondroprotective effect against inflammation, indicating its potential use for the prevention and treatment of OA.
참고문헌 (22)
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