Focusing on the hypoxia-inducible factor pathway: role, regulation, and therapy for osteoarthritis

Author:

Guo Hanhan,Huang Jianghong,Liang Yujie,Wang Daping,Zhang Huawei

Abstract

AbstractOsteoarthritis (OA) is a common chronic disabling disease that affects hundreds of millions of people around the world. The most important pathological feature is the rupture and loss of articular cartilage, and the characteristics of avascular joint tissues lead to limited repair ability. Currently, there is no effective treatment to prevent cartilage degeneration. Studies on the mechanism of cartilage metabolism revealed that hypoxia-inducible factors (HIFs) are key regulatory genes that maintain the balance of cartilage catabolism−matrix anabolism and are considered to be the major OA regulator and promising OA treatment target. Although the exact mechanism of HIFs in OA needs to be further clarified, many drugs that directly or indirectly act on HIF signaling pathways have been confirmed by animal experiments and regarded as promising treatments for OA. Targeting HIFs will provide a promising strategy for the development of new OA drugs. This article reviews the regulation of HIFs on intra-articular cartilage homeostasis and its influence on the progression of osteoarthritis and summarizes the recent advances in OA therapies targeting the HIF system.

Funder

Science and Technology Innovation Committee of Shenzhen

Guangdong Basic and Applied Basic Research Foundation

National Natural Science Foundation of China

Guangdong Provincial Key Laboratory of Advanced Biomaterials

Publisher

Springer Science and Business Media LLC

Subject

General Medicine

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