Chubanov, V.* ; Ferioli, S.* ; Wisnowsky, A.* ; Simmons, D.G.* ; Leitzinger, C. ; Einer, C. ; Jonas, W.* ; Shymkiv, Y.* ; Bartsch, H.* ; Braun, A.* ; Akdogan, B.* ; Mittermeier, L.* ; Sytik, L.* ; Torben, F. ; Jurinovic, V.* ; van der Vorst, E.P.C.* ; Weber, C.* ; Yildirim, A.Ö. ; Sotlar, K.* ; Schürmann, A.* ; Zierler, S.* ; Zischka, H. ; Ryazanov, A.G.* ; Gudermann, T.*
Epithelial magnesium transport by TRPM6 is essential for prenatal development and adult survival.
eLife 5:e29014 (2016)
Mg2+ regulates many physiological processes and signalling pathways. However, little is known about the mechanisms underlying the organismal balance of Mg2+. Capitalizing on a set of newly generated mouse models, we provide an integrated mechanistic model of the regulation of organismal Mg2+ balance during prenatal development and in adult mice by the ion channel TRPM6. We show that TRPM6 activity in the placenta and yolk sac is essential for embryonic development. In adult mice, TRPM6 is required in the intestine to maintain organismal Mg2+ balance, but is dispensable in the kidney. Trpm6 inactivation in adult mice leads to a shortened lifespan, growth deficit and metabolic alterations indicative of impaired energy balance. Dietary Mg2+ supplementation not only rescues all phenotypes displayed by Trpm6-deficient adult mice, but also may extend the lifespan of wildtype mice. Hence, maintenance of organismal Mg2+ balance by TRPM6 is crucial for prenatal development and survival to adulthood.
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Publication type
Article: Journal article
Document type
Scientific Article
Thesis type
Editors
Keywords
Cellular Mg2+ Homeostasis; Field Mass-spectrometry; Secondary Hypocalcemia; Primary Hypomagnesemia; Embryonic-development; Somatotroph Axis; Human-cells; Rat-liver; Mice; Growth
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Language
english
Publication Year
2016
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HGF-reported in Year
2016
ISSN (print) / ISBN
2050-084X
e-ISSN
2050-084X
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Volume: 5,
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Article Number: e29014
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eLife Sciences Publications
Publishing Place
Cambridge
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Peer reviewed
POF-Topic(s)
30203 - Molecular Targets and Therapies
30202 - Environmental Health
30201 - Metabolic Health
Research field(s)
Enabling and Novel Technologies
Allergy
Genetics and Epidemiology
PSP Element(s)
G-505200-001
G-505400-001
G-505600-003
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Erfassungsdatum
2016-12-31