| http://purl.uniprot.org/citations/12351438 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/12351438 | http://www.w3.org/2000/01/rdf-schema#comment | "The NADH shuttle system, which transports the substrate for oxidative metabolism directly from the cytosol to the mitochondrial electron transport chain, has been shown to be essential for glucose-induced activation of mitochondrial metabolism and insulin secretion in adult beta-cells. We examined the role of these shuttles in the fetal beta-cell, which is immature in being unable to secrete insulin in response to glucose. The activity and concentration of the two key enzymes of the NADH shuttles, mitochondrial glycerol phosphate dehydrogenase (mGPDH) and mitochondrial malate dehydrogenase (mMDH), were eight- and threefold lower, respectively, in fetal compared with adult rat islets. Likewise, mGPDH and mMDH activity was fivefold lower in islet-like cell clusters (ICCs) and sevenfold lower in purified beta-cells compared with adult islets in the pig. The low level of enzyme activity was a result of low gene expression of the mitochondrial enzymes in the fetal beta-cells. Increasing NADH shuttle activity by transduction of fetal rat islets with mGPDH cDNA enabled the fetal islets to secrete insulin when stimulated with glucose. We concluded that the immaturity of the NADH shuttles contributes to the inability of fetal beta-cells to secrete insulin in response to glucose."xsd:string |
| http://purl.uniprot.org/citations/12351438 | http://purl.org/dc/terms/identifier | "doi:10.2337/diabetes.51.10.2989"xsd:string |
| http://purl.uniprot.org/citations/12351438 | http://purl.uniprot.org/core/author | "Tan C."xsd:string |
| http://purl.uniprot.org/citations/12351438 | http://purl.uniprot.org/core/author | "Tu J."xsd:string |
| http://purl.uniprot.org/citations/12351438 | http://purl.uniprot.org/core/author | "Brown S.A."xsd:string |
| http://purl.uniprot.org/citations/12351438 | http://purl.uniprot.org/core/author | "Tuch B.E."xsd:string |
| http://purl.uniprot.org/citations/12351438 | http://purl.uniprot.org/core/date | "2002"xsd:gYear |
| http://purl.uniprot.org/citations/12351438 | http://purl.uniprot.org/core/name | "Diabetes"xsd:string |
| http://purl.uniprot.org/citations/12351438 | http://purl.uniprot.org/core/pages | "2989-2996"xsd:string |
| http://purl.uniprot.org/citations/12351438 | http://purl.uniprot.org/core/title | "Role of NADH shuttles in glucose-induced insulin secretion from fetal beta-cells."xsd:string |
| http://purl.uniprot.org/citations/12351438 | http://purl.uniprot.org/core/volume | "51"xsd:string |
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