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  • Title: [Serum levels of carboxyterminal propeptide of type I procollagen (PICP), cross-linked carboxyterminal telopeptide region of type I collagen (ICTP) and carboxyterminal parathyroid hormone-related protein (C-PTHrP) in hematological malignancies with bone lesions and hypercalcemia].
    Author: Tanaka K, Shiraishi K, Sakamoto A, Jojima H, Masuchi K, Okubo Y, Tanaka M, Fuzimatsu Y, Fukahori S, Osabe S, Imamura Y, Honda J, Oizumi K.
    Journal: Rinsho Ketsueki; 1998 Apr; 39(4):273-80. PubMed ID: 9597894.
    Abstract:
    We measured the levels of carboxyterminal propeptide of type I procollagen (PICP), cross-linked carboxyterminal telopeptide region of type I collagen (ICTP) and carboxyterminal parothyroid hormone-related protein (C-PTHrP) in serum of patients with hematological malignancies. ICTP and C-PTHrP levels in serum of multiple myeloma (MM), non-Hodgkin's lymphoma (NHL) and adult T-cell leukemia (ATL) patients with bone lesions and hypercalcemia were significantly higher than those of patients without bone lesions and hypercalcemia. ICTP and C-PTHrP levels in ATL were significantly higher than in MM and NHL. There was a correlation between ICTP and C-PTHrP in serum of ATL patients, but no correlation in MM and NHL. Serum ICTP levels tended to correlate with serum beta 2-microglobulin and survival in patients with MM. Therefore, ICTP and C-PTHrP levels in serum may be useful in the diagnosis of bone lesions and hypercalcemia in hematological malignancies. In particular, ICTP may be a useful bone resorption marker in MM.
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