Abstract Number: 2281 • 2012 ACR/ARHP Annual Meeting
Tartrate-Resistant Acid Phosphatase Deficiency in the Predisposition to Systemic Lupus Erythematosus
Background/Purpose: The enzyme tartrate-resistant acid phosphatase (TRAP) is highly expressed in osteoclasts. One of the main substrates for TRAP in bone matrix is osteopontin (OPN). …