Endocrine Abstracts

The TNF members sRANK-L & Osteoprotegerin (OPG) are essential paracrine mediators of osteoclast function in vitro. The aim of this study was to establish the relationship between 25-hydroxyvitamin D and sRANK-L and OPG in plasma of osteoporotic patients.The study population consisted of 185 osteoporotic women (mean age 62.4 years), with bone mineral density (BMD) more than 2.5 SD below the young adult value, and 185 age-matched controls, with normal ...

The Osteoprotegerin (OPG) RANK and RANK-L system is a novel paracrine system that forms part of the mechanism of bone turnover. The aim of this study was to explore if the OPG/ RANK-L system, detectable in blood, is related to bone mineral density.The study population consisted of 185 osteoporotic women (mean age 62.4 years), with bone mineral density (BMD) more than 2.5 SD below the young adult value, and 185 age-matched controls, with normal bone miner...

If calcium intake and absorption are insufficient plasma calcium is maintained but bone loss ensues. The relationship between calcium intake and parathyroid hormone (PTH) levels in serum of 186 women (mean age 62.4 years) with bone mineral density >2.5 SD below the young adult value and 586 age-matched controls with normal bone mineral density was studied.The approximate calcium intake from dairy products was assessed by a simple questionnaire. All 77...

The importance of the sRANK-L / RANK / Osteoprotegerin (OPG) system in osteoclast function has clearly been demonstrated in the rat. Activating and inactivating mutations lead to severe disturbances of bone remodelling.Since this early animal work, there have been several studies designed to assess the importance of sRANK-L / RANK / OPG in diseases of the human skeleton. sRANK-L and OPG are measurable in blood.This cross-sectional ...

Background and aims: Maternal subclinical hypothyroidism during early pregnancy has been shown to be associated with impaired neuropsyhological developement of children.Recent consensus guidelines have recmmended aggressive case finding for thyroid or other autoimmune disorders.We have examined the efficacy of these criteria in identifying women with thyroid dysfunction during early pregnancy.Subjects and methods:During july 2002 to june 2003,we propecti...