Internal Medicine Department, National Research Centre, El Buhoth Street, Dokki, Cairo, 12311, Egypt.
Trans R Soc Trop Med Hyg. 2010 Jun;104(6):429-32. doi: 10.1016/j.trstmh.2010.01.012. Epub 2010 Mar 1.
Insulin-like growth factor 1 (IGF-1) levels have been found to correlate with measurements of bone mineral density (BMD) in liver diseases. This study investigated the relationship between IGF-1, insulin-like growth factor binding protein 3 (IGFBP-3) and BMD in patients with chronic hepatitis C virus. This study was conducted for 30 patients with chronic hepatitis C virus infection (16 patients without and 14 patients with cirrhosis) and 11 healthy controls. Serum levels of IGF-1 and IGFBP-3 and BMD of the proximal femur and lumbar spine were measured in all subjects. Osteoporosis of the proximal femur and lumbar spine was found in 42.9% and 21.4%, respectively, of the patients with cirrhosis. Patients with liver cirrhosis and osteoporosis of the proximal femur and lumbar spine had lower IGF-1 (P<0.001, P=0.04, P=0.04 respectively). BMD of the proximal femur was lower in cirrhotic patients compared with controls (P<0.01). Patients with liver cirrhosis had lower IGFBP-3 than patients without cirrhosis and controls (P<0.001). Patients with osteoporosis of the proximal femur had lower IGFBP-3 than those without osteoporosis (P<0.01). IGF-1 and IGFBP-3 levels were lower in patients with liver cirrhosis. IGF-1 and IGFBP-3 may play a role in hepatic osteoporosis.
胰岛素样生长因子 1(IGF-1)水平与肝脏疾病的骨密度(BMD)测量值相关。本研究调查了慢性丙型肝炎病毒患者中 IGF-1、胰岛素样生长因子结合蛋白 3(IGFBP-3)和 BMD 之间的关系。该研究共纳入 30 例慢性丙型肝炎病毒感染患者(16 例无肝硬化和 14 例肝硬化)和 11 例健康对照者。所有受试者均测量血清 IGF-1 和 IGFBP-3 水平以及股骨近端和腰椎的 BMD。肝硬化患者的股骨近端和腰椎骨质疏松症的发生率分别为 42.9%和 21.4%。患有肝硬化和股骨近端及腰椎骨质疏松症的患者 IGF-1 水平较低(P<0.001,P=0.04,P=0.04 分别)。与对照组相比,肝硬化患者的股骨近端 BMD 较低(P<0.01)。肝硬化患者的 IGFBP-3 水平低于无肝硬化患者和对照组(P<0.001)。股骨近端骨质疏松症患者的 IGFBP-3 水平低于无骨质疏松症患者(P<0.01)。肝硬化患者的 IGF-1 和 IGFBP-3 水平较低。IGF-1 和 IGFBP-3 可能在肝性骨质疏松症中发挥作用。
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