klotho
अंतिम अद्यतन 18 Aug 2020
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यह KL gene provides instructions for making the protein alpha-klotho, which is found primarily in kidney cells. This protein plays a major role in regulating the phosphate levels within the body (phosphate homeostasis). Among its many functions, phosphate plays a critical role in the formation and growth of bones in childhood and helps maintain bone strength in adults. Phosphate levels are controlled in large part by the kidneys. The kidneys normally rid the body of excess phosphate by excreting it in urine, and they reabsorb this mineral into the bloodstream when more is needed.
Normal function
यह KL gene provides instructions for making the protein alpha-klotho, which is found primarily in kidney cells. This protein plays a major role in regulating the phosphate levels within the body (phosphate homeostasis). Among its many functions, phosphate plays a critical role in the formation and growth of bones in childhood and helps maintain bone strength in adults. Phosphate levels are controlled in large part by the kidneys. The kidneys normally rid the body of excess phosphate by excreting it in urine, and they reabsorb this mineral into the bloodstream when more is needed.
Alpha-klotho attaches (binds) to and turns on (activates) a protein called FGF receptor 1 that spans the membrane of many types of cells, including kidney cells. Once the receptor is active, another protein called fibroblast growth factor 23 can also bind to it. Binding of fibroblast growth factor 23 to its receptor stimulates signaling that stops phosphate reabsorption into the bloodstream.
Conditions referring to this gene or chromosome
Other names
alpha-klotho
KLOT_HUMAN
klotho precursor
अधिक पठन और संदर्भ
- klotho; MedlinePlus, National Library of Medicine.
- Farrow EG, Imel EA, White KE. Miscellaneous non-inflammatory musculoskeletal conditions. Hyperphosphatemic familial tumoral calcinosis (FGF23, GALNT3 and alphaKlotho). Best Pract Res Clin Rheumatol. 2011 Oct;25(5):735-47. doi: 10.1016/j.berh.2011.10.020.
- Ichikawa S, Imel EA, Kreiter ML, Yu X, Mackenzie DS, Sorenson AH, Goetz R, Mohammadi M, White KE, Econs MJ. A homozygous missense mutation in human KLOTHO causes severe tumoral calcinosis. J Clin Invest. 2007 Sep;117(9):2684-91. doi: 10.1172/JCI31330.
- Razzaque MS. The FGF23-Klotho axis: endocrine regulation of phosphate homeostasis. Nat Rev Endocrinol. 2009 Nov;5(11):611-9. doi: 10.1038/nrendo.2009.196.
- Sprecher E. Familial tumoral calcinosis: from characterization of a rare phenotype to the pathogenesis of ectopic calcification. J Invest Dermatol. 2010 Mar;130(3):652-60. doi: 10.1038/jid.2009.337. Epub 2009 Oct 29.
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