NFAT5 and osteosarcoma: The protein product of NFAT5 regulates synovial proliferation and angiogenesis in chronic arthritis [32]; the NOB1-encoded protein is likely to be a potential target for the treatment of osteosarcoma [33]; and the HAS3 product is related to hyaluronan metabolism in human keratinocytes and atopic dermatitis skin [34].