ACP5 and osteoporosis: The obtained data were correlated with the markers of osteoporosis development, i.e., the level of bone turnover factors and inflammatory factors in blood serum like TRACP-5b (tartrate-resistant acid phosphatase 5b), NTx (cross-linked N-telopeptides of type I collagen), IL-1β, IL-6, and oestrogen-2 (E2).