ACP5 : acid phosphatase 5, tartrate resistant

The ACP5 Gene: Orchestrating Bone Remodeling and Immune Responses

Description

The human ACP5 gene resides on chromosome 8 and encodes the enzyme tartrate-resistant acid phosphatase type 5 (TRAP). TRAP5 is a key regulator of osteopontin, a multifunctional protein that plays crucial roles in bone metabolism and the immune system. Two isoforms of TRAP5 exist: TRAP5a, primarily found in immune cells, and TRAP5b, localized to bone-resorbing cells called osteoclasts.

Associated Diseases

Mutations in the ACP5 gene can lead to rare genetic disorders, including:

• Osteopetrosis, a condition characterized by excessive bone density due to impaired bone breakdown by osteoclasts
• Paget‘s disease of bone, a chronic bone disorder involving abnormal bone remodeling, leading to pain and bone deformities

Did you Know ?

Osteopontin, the target protein of TRAP5, is the most abundant non-collagenous protein in bone and the second most abundant in dentin, indicating its critical role in skeletal health.