Inhibition of carnitine palymitoyltransferase1b induces cardiac hypertrophy and mortality in mice.
Inhibition of carnitine palymitoyltransferase1b induces cardiac hypertrophy and mortality in mice.
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DOI:
10.1111/dom.12248
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发表时间:
2014-08
期刊:
影响因子:
--
通讯作者:
Mynatt RL
中科院分区:
文献类型:
--
作者:
Haynie KR;Vandanmagsar B;Wicks SE;Zhang J;Mynatt RL
Recent reports suggest that short-term pharmacological Cpt1 inhibition improves skeletal muscle glucose tolerance and insulin sensitivity. While this appears promising for the treatment of diabetes these Cpt1 inhibitors are not specific to skeletal muscle and target multiple Cpt1 isoforms. To assess the effects of inhibiting the Cpt1b isoform we generated mice with a heart and skeletal muscle specific deletion of the Cpt1b, Cpt1bHM−/−. These mice seem to develop normally with similar bodyweights as control mice. However, by 15 weeks of age the Cpt1bHM−/− mice begin to die. The hearts of Cpt1bHM−/− mice were 4-times the size of controls. Cpt1bHM−/− mice were also subject to stress-induced seizures that accompanied an increased risk for premature mortality. Our data suggests that prolonged Cpt1b inhibition poses severe cardiac risk and emphasizes that attempts to improve insulin sensitivity by targeting Cpt1 with current inhibitors is not viable.
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影响因子:
7.7
作者:
Keung W;Ussher JR;Jaswal JS;Raubenheimer M;Lam VH;Wagg CS;Lopaschuk GD
通讯作者:
Lopaschuk GD
DOI:
10.1073/pnas.1206868109
发表时间:
2012-07-17
影响因子:
11.1
作者:
Timmers, Silvie;Nabben, Miranda;Schrauwen, Patrick
通讯作者:
Schrauwen, Patrick
影响因子:
37.8
作者:
Bonnet, D;Martin, D;Saudubray, JM
通讯作者:
Saudubray, JM
影响因子:
37.8
作者:
He L;Kim T;Long Q;Liu J;Wang P;Zhou Y;Ding Y;Prasain J;Wood PA;Yang Q
通讯作者:
Yang Q
影响因子:
20.1
作者:
LOPASCHUK, GD;WALL, SR;DAVIES, NJ
通讯作者:
DAVIES, NJ