ADAMTS5 and osteoporosis: The cluster tags were #0 chondrogenesis, #1 knee osteoarthritis, #2 ADAMTS5, #3 circular RNA, osteoporosis, #4 apoptosis, #5 DNA methylation, #6 exosomes, #7 bone, #8 MiR-1, #9 embryonic development, and #10 resistin.