Sökning: WFRF:(Prigge R.) > Hepatocyte Hyperpro...
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000 | 03894naa a2200541 4500 | |
001 | oai:DiVA.org:umu-137799 | |
003 | SwePub | |
008 | 170727s2017 | |||||||||||000 ||eng| | |
009 | oai:prod.swepub.kib.ki.se:136057899 | |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-1377992 URI |
024 | 7 | a https://doi.org/10.1016/j.celrep.2017.06.0192 DOI |
024 | 7 | a http://kipublications.ki.se/Default.aspx?queryparsed=id:1360578992 URI |
040 | a (SwePub)umud (SwePub)ki | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a ref2 swepub-contenttype |
072 | 7 | a art2 swepub-publicationtype |
100 | 1 | a Prigge, Justin R.4 aut |
245 | 1 0 | a Hepatocyte Hyperproliferation upon Liver-Specific Co-disruption of Thioredoxin-1, Thioredoxin Reductase-1, and Glutathione Reductase |
264 | 1 | b Cell Press,c 2017 |
338 | a electronic2 rdacarrier | |
520 | a Energetic nutrients are oxidized to sustain high intracellular NADPH/NADP(+) ratios. NADPH-dependent reduction of thioredoxin-1 (Trx1) disulfide and glutathione disulfide by thioredoxin reductase-1 (TrxR1) and glutathione reductase (Gsr), respectively, fuels antioxidant systems and deoxyribonucleotide synthesis. Mouse livers lacking both TrxR1 and Gsr sustain these essential activities using an NADPH-independent methionine-consuming pathway; however, it remains unclear how this reducing power is distributed. Here, we show that liver-specific co-disruption of the genes encoding Trx1, TrxR1, and Gsr (triplenull) causes dramatic hepatocyte hyperproliferation. Thus, even in the absence of Trx1, methionine-fueled glutathione production supports hepatocyte S phase deoxyribonucleotide production. Also, Trx1 in the absence of TrxR1 provides a survival advantage to cells under hyperglycemic stress, suggesting that glutathione, likely via glutaredoxins, can reduce Trx1 disulfide in vivo. In triple-null livers like in many cancers, deoxyribonucleotide synthesis places a critical yet relatively low-volume demand on these reductase systems, thereby favoring high hepatocyte turnover over sustained hepatocyte integrity. | |
650 | 7 | a MEDICIN OCH HÄLSOVETENSKAPx Medicinska och farmaceutiska grundvetenskaperx Cell- och molekylärbiologi0 (SwePub)301082 hsv//swe |
650 | 7 | a MEDICAL AND HEALTH SCIENCESx Basic Medicinex Cell and Molecular Biology0 (SwePub)301082 hsv//eng |
700 | 1 | a Coppo, Luciau Karolinska Institutet4 aut |
700 | 1 | a Martin, Sebastin S.u Karolinska Institutet4 aut |
700 | 1 | a Ogata, Fernando4 aut |
700 | 1 | a Miller, Colin G.4 aut |
700 | 1 | a Bruschwein, Michael D.4 aut |
700 | 1 | a Orlicky, David J.4 aut |
700 | 1 | a Shearn, Colin T.4 aut |
700 | 1 | a Kundert, Jean A.4 aut |
700 | 1 | a Lytchier, Julia4 aut |
700 | 1 | a Herr, Alix E.4 aut |
700 | 1 | a Mattsson, Åseu Karolinska Institutet4 aut |
700 | 1 | a Taylor, Matthew P.4 aut |
700 | 1 | a Gustafsson, Tomas N.u Umeå universitet,Klinisk bakteriologi,Division of Biochemistry, Medical Biochemistry & Biophysics, Karolinska Institutet, Stockholm, Sweden,Sunderby Research Unit4 aut0 (Swepub:umu)togu0028 |
700 | 1 | a Arnér, Elias S. J.u Karolinska Institutet4 aut |
700 | 1 | a Holmgren, Arneu Karolinska Institutet4 aut |
700 | 1 | a Schmidt, Edward E.4 aut |
710 | 2 | a Karolinska Institutetb Klinisk bakteriologi4 org |
773 | 0 | t Cell Reportsd : Cell Pressg 19:13, s. 2771-2781q 19:13<2771-2781x 2211-1247 |
856 | 4 | u https://doi.org/10.1016/j.celrep.2017.06.019y Fulltext |
856 | 4 | u https://umu.diva-portal.org/smash/get/diva2:1128640/FULLTEXT01.pdfx primaryx Raw objecty fulltext:print |
856 | 4 | u http://www.cell.com/article/S2211124717308161/pdf |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-137799 |
856 | 4 8 | u https://doi.org/10.1016/j.celrep.2017.06.019 |
856 | 4 8 | u http://kipublications.ki.se/Default.aspx?queryparsed=id:136057899 |
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