ArticleJournal of bone and mineral metabolism2020
Skeletal changes during lactation and after weaning in osteocyte-specific sclerostin overexpressed mice.
Article in Journal of bone and mineral metabolism, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Osteocyte-derived sclerostin impairs cognitive function during ageing and Alzheimer's disease progression.Nature metabolism · 2024Article
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Authors and funding
3 authors.
Funding
Abstract
introductionLactation inevitably leads to a state of rapid bone loss; however, maternal bone undergoes rapid remineralization after weaning. Sclerostin, encoded by the gene SOST, is exclusively secreted from osteocytes and plays important roles in bone remodeling. However, there are few studies about the effect of sclerostin during lactation and weaning on bone microstructures. Therefore, we conducted the study to demonstrate any possible association of sclerostin with bone metabolism and skeletal changes during lactation and after weaning. MATERIALS AND
methodsWe analyzed bone mineral density (BMD) by dual-energy X-ray absorptiometry at the spine and femur, bone microstructure by micro-computed tomography (μCT) at the distal and mid-shaft of the femur and biochemical markers such as sclerostin and bone turnover markers at 1 week and 3 weeks of lactation and 2 weeks post-weaning in osteocyte-specific sclerostin-overexpressed transgenic mice, and compared them with wild type.
resultsLactation significantly resulted in decreased spine and femur BMD at day 7 and day 21 of breastfeeding; specifically, cortical microstructure (cross-sectional thickness and cross-sectional area) at the mid-shaft of the femur had significantly deteriorated. At day 14 after weaning, femur BMD and cortical microstructure at the mid-shaft of the femur in both the wild and DMP-SOST mice had incompletely recovered; however, spine BMD and trabecular microstructures at the distal femur recovered in wild type mice.
conclusionsSclerostin, secreted by osteocytes, played a role in bone loss during lactation and also in the recovery of trabecular bone compartment by activating bone formation after weaning.
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