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Lysophosphatidylserine regulates blood glucose by enhancing glucose transport in myotubes and adipocytes

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dc.contributor.authorYea, Kyungmoo-
dc.contributor.authorKim, Jaeyoon-
dc.contributor.authorLim, Seyoung-
dc.contributor.authorKwon, Taewan-
dc.contributor.authorPark, Ho Seon-
dc.contributor.authorPark, Kyong Soo-
dc.contributor.authorSuh, Pann-Ghill-
dc.contributor.authorRyu, Sung Ho-
dc.date.accessioned2010-03-09T05:33:11Z-
dc.date.available2010-03-09T05:33:11Z-
dc.date.issued2008-12-10-
dc.identifier.citationBiochem Biophys Res Commun. 2009 Jan 23;378(4):783-8. Epub 2008 Dec 6.en
dc.identifier.issn1090-2104 (Electronic)-
dc.identifier.urihttp://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=19063864-
dc.identifier.urihttp://www.sciencedirect.com/science?_ob=MImg&_imagekey=B6WBK-4V3565W-B-9&_cdi=6713&_user=168665&_orig=search&_coverDate=01%2F23%2F2009&_sk=996219995&view=c&wchp=dGLzVtb-zSkzS&md5=2b3547b912d22add9eabcd8504d3a8ee&ie=/sdarticle.pdf-
dc.identifier.urihttp://hdl.handle.net/10371/58494-
dc.description.abstractLysophosphatidylserine (LPS) is known to have diverse cellular effects, but although LPS is present in many biological fluids, its in vivo effects have not been elucidated. In the present study, we investigated the effects of LPS on glucose metabolism in vivo, and how skeletal muscle cells respond to LPS stimulation. LPS enhanced glucose uptake in a dose- and time-dependent manner in L6 GLUT4myc myotubes, and this effect of LPS on glucose uptake was mediated by a Galpha(i) and PI 3-kinase dependent signal pathway. LPS increased the level of GLUT4 on the cell surface of L6 GLUT4myc myotubes, and enhanced glucose uptake in 3T3-L1 adipocytes. In line with its cellular functions, LPS lowered blood glucose levels in normal mice, while leaving insulin secretion unaffected. LPS also had a glucose-lowering effect in STZ-treated type 1 diabetic mice and in obese db/db type 2 diabetic mice. This study shows that LPS-stimulated glucose transport both in skeletal muscle cells and adipocytes, and significantly lowered blood glucose levels both in type 1 and 2 diabetic mice. Our results suggest that LPS is involved in the regulation of glucose homeostasis in skeletal muscle and adipose tissue.en
dc.language.isoenen
dc.publisherElsevieren
dc.subject1-Phosphatidylinositol 3-Kinase/metabolismen
dc.subject3T3 Cellsen
dc.subjectAdipocytes/drug effects/*metabolismen
dc.subjectAnimalsen
dc.subjectBlood Glucose/drug effects/*metabolismen
dc.subjectCell Lineen
dc.subjectDiabetes Mellitus, Experimental/metabolismen
dc.subjectDiabetes Mellitus, Type 1/metabolismen
dc.subjectDiabetes Mellitus, Type 2/metabolismen
dc.subjectHumansen
dc.subjectLysophospholipids/pharmacology/*physiologyen
dc.subjectMiceen
dc.subjectMice, Inbred Strainsen
dc.subjectMuscle Fibers, Skeletal/drug effects/*metabolismen
dc.subjectRatsen
dc.titleLysophosphatidylserine regulates blood glucose by enhancing glucose transport in myotubes and adipocytesen
dc.typeArticleen
dc.contributor.AlternativeAuthor김재윤-
dc.contributor.AlternativeAuthor임세영-
dc.contributor.AlternativeAuthor권태완-
dc.contributor.AlternativeAuthor박호선-
dc.contributor.AlternativeAuthor박경수-
dc.contributor.AlternativeAuthor서판길-
dc.contributor.AlternativeAuthor류성호-
dc.contributor.AlternativeAuthor예경무-
dc.identifier.doi10.1016/j.bbrc.2008.11.122-
Appears in Collections:
College of Medicine/School of Medicine (의과대학/대학원)Internal Medicine (내과학전공)Journal Papers (저널논문_내과학전공)
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