Impaired contractile performance of cultured rabbit ventricular myocytes after adenoviral gene transfer of Na(+)-Ca(2+) exchanger.
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Impaired contractile performance of cultured rabbit ventricular myocytes after adenoviral gene transfer of Na(+)-Ca(2+) exchanger. / Schillinger, W; Janssen, P M; Emami, S; Henderson, S A; Ross, R S; Teucher, N; Zeitz, Oliver; Philipson, K D; Prestle, J; Hasenfuss, G.
in: CIRC RES, Jahrgang 87, Nr. 7, 7, 2000, S. 581-587.Publikationen: SCORING: Beitrag in Fachzeitschrift/Zeitung › SCORING: Zeitschriftenaufsatz › Forschung › Begutachtung
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TY - JOUR
T1 - Impaired contractile performance of cultured rabbit ventricular myocytes after adenoviral gene transfer of Na(+)-Ca(2+) exchanger.
AU - Schillinger, W
AU - Janssen, P M
AU - Emami, S
AU - Henderson, S A
AU - Ross, R S
AU - Teucher, N
AU - Zeitz, Oliver
AU - Philipson, K D
AU - Prestle, J
AU - Hasenfuss, G
PY - 2000
Y1 - 2000
N2 - Na(+)-Ca(2+) exchanger (NCX) gene expression is increased in the failing human heart. We investigated the hypothesis that upregulation of NCX can induce depressed contractile performance. Overexpression of NCX was achieved in isolated rabbit ventricular myocytes through adenoviral gene transfer (Ad-NCX). After 48 hours, immunoblots revealed a virus dose-dependent increase in NCX protein. Adenoviral beta-galactosidase transfection served as a control. The fractional shortening (FS) of electrically stimulated myocytes was analyzed. At 60 min(-1), FS was depressed by 15.6% in the Ad-NCX group (n=143) versus the control group (n=163, P:
AB - Na(+)-Ca(2+) exchanger (NCX) gene expression is increased in the failing human heart. We investigated the hypothesis that upregulation of NCX can induce depressed contractile performance. Overexpression of NCX was achieved in isolated rabbit ventricular myocytes through adenoviral gene transfer (Ad-NCX). After 48 hours, immunoblots revealed a virus dose-dependent increase in NCX protein. Adenoviral beta-galactosidase transfection served as a control. The fractional shortening (FS) of electrically stimulated myocytes was analyzed. At 60 min(-1), FS was depressed by 15.6% in the Ad-NCX group (n=143) versus the control group (n=163, P:
M3 - SCORING: Zeitschriftenaufsatz
VL - 87
SP - 581
EP - 587
JO - CIRC RES
JF - CIRC RES
SN - 0009-7330
IS - 7
M1 - 7
ER -