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Differential protection of primary rat cardiocytes by transfection of specific heat stress proteins

Cumming, DVE; Heads, RJ; Watson, A; Latchman, DS; Yellon, DM; (1996) Differential protection of primary rat cardiocytes by transfection of specific heat stress proteins. J MOL CELL CARDIOL , 28 (12) 2343 - 2349.

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Abstract

The aim of this study was to examine the individual contribution of specific heat stress proteins in primary rat cardiocytes to any protection observed following lethal heat stress or simulated lethal ischaemia. cDNAs for the inducible heat stress protein 70, for heat stress proteins 90 or 60, or a control plasmid were cotransfected with a detectable marker, alkaline phosphatase, into cardiocytes. Survival assays were performed after the lethal stress. Transfection of the inducible heat stress protein 70 was found to increase survival following a lethal heat stress by 2.45-fold (P<0.01) and against lethal ischaemia by 2.71-fold (P<0.01). Transfection of heat stress protein 90 improved survival against heat by 2.55-fold (P<0.05) but failed to have any effect on survival against lethal ischaemia, Transfection of heat stress protein 60 offered no protection against either stress. (C) 1996 Academic Press Limited

Type:Article
Title:Differential protection of primary rat cardiocytes by transfection of specific heat stress proteins
Keywords:heat stress, ischaemia, cardiac myocytes, stress proteins, MUSCLE-CELL LINE, MYOCARDIAL PROTECTION, NUCLEOTIDE-SEQUENCE, METABOLIC STRESS, MYOGENIC CELLS, HUMAN HSP70, EXPRESSION, INJURY, GENES, ISCHEMIA
UCL classification:UCL > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute of Cardiovascular Science

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