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. 2022 May 24;20:70. doi: 10.1186/s12964-022-00891-7

Table 2.

Phenotypes of global and continual KO of rhythmic genes in periarticular tissues

Tissue Gene type Phenotype Reference
Cartilage Bmal1−/− Osteoarthritic chondrocyte with high catabolism [36, 44, 49]
Per2−/− Chondrocyte with high anabolism [49]
Subchondral bone Bmal1−/− Bone resorption osteoblast [29]
Bmal1−/− Osteoclast with low bone resorption ability [31]
Synovium Bmal1−/− Inflammatory cell line [32]
Skeletal muscle Bmal1−/− Premature aging muscle cell [90]

KO, knockout