Endocrine Abstracts

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Fibroblast growth factor 21 (FGF21) is an emerging regulator of energy homeostasis and a novel target for the development of therapies to treat diabetes, cardiovascular disease, and obesity. FGF21 was discovered in an in vitro high throughput screen. It was later shown to have impressive metabolic pharmacology including glucose, lipid, and body weight lowering effects in a variety of animal models, including non-human primates. When tested clinically an FGF21-based an...

Phosphate is an essential ion for mineralization of bone. Hypophosphatemia leads to rickets and osteomalacia whereas hyperphosphatemia promotes ectopic calcification in soft tissues. FGF23 is a polypeptide hormone secreted by bone that regulates serum phosphate concentration. It acts on kidney to decrease phosphate reabsorption, and 1,25-dihydroxy vitamin D secretion which in turn reduces phosphorus absorption by the gut. Its action on the renal tubule appears to require PTH a...