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Cited by 405

The DOI matches its Crossref record; 7 of the 7 references it cites were found in a registry or an index.

Ca2+- and mitochondrial-dependent cardiomyocyte necrosis as a primary mediator of heart failure

Open access
Nakayama, Hiroyuki, Chen, Xiongwen, Baines, Christopher P., Klevitsky, Raisa, Zhang, Xiaoying, Zhang, Hongyu, Jaleel, Naser, Chua, Balvin H.L., Hewett, Timothy E., Robbins, Jeffrey, Houser, Steven R., Molkentin, Jeffery D.·2007·Journal of Clinical Investigation

Abstract

Loss of cardiac myocytes in heart failure is thought to occur largely through an apoptotic process. Here we show that heart failure can also be precipitated through myocyte necrosis associated with Ca2+ overload. Inducible transgenic mice with enhanced sarcolemmal L-type Ca2+ channel (LTCC) activity showed progressive myocyte necrosis that led to pump dysfunction and premature death, effects that were dramatically enhanced by acute stimulation of beta-adrenergic receptors. Enhanced Ca2+ influx-induced cellular necrosis and cardiomyopathy was prevented with either LTCC blockers or beta-adrenergic receptor antagonists, demonstrating a proximal relationship among beta-adrenergic receptor function, Ca2+ handling, and heart failure progression through necrotic cell loss. Mechanistically, loss of cyclophilin D, a regulator of the mitochondrial permeability transition pore that underpins necrosis, blocked Ca2+ influx-induced necrosis of myocytes, heart failure, and isoproterenol-induced premature death. In contrast, overexpression of the antiapoptotic factor Bcl-2 was ineffective in mitigating heart failure and death associated with excess Ca2+ influx and acute beta-adrenergic receptor stimulation. This paradigm of mitochondrial- and necrosis-dependent heart failure was also observed in other mouse models of disease, which supports the concept that heart failure is a pleiotropic disorder that involves not only apoptosis, but also necrotic loss of myocytes in association with dysregulated Ca2+ handling and beta-adrenergic receptor signaling.

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Metadata

Authors
Nakayama, H., Chen, X., Baines, C. P., Klevitsky, R., Zhang, X., Zhang, H., Jaleel, N., Chua, B. H. L., Hewett, T. E., Robbins, J., Houser, S. R., & Molkentin, J. D.
Venue
Journal of Clinical Investigation
Published
2007-09-04
Volume
117
Issue
9
Pages
2431-2444
ISSN
0021-9738 (ISSN-L)
OpenAlex
W2109686719
Cited by
405
References
7
FWCI
22.90
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Ca2+- and mitochondrial-dependent cardiomyocyte necrosis as a primary mediator of heart failure. https://app.cochat.ai/papers/10.1172/jci31060
The paper
Nakayama, H., Chen, X., Baines, C. P., Klevitsky, R., Zhang, X., Zhang, H., Jaleel, N., Chua, B. H. L., Hewett, T. E., Robbins, J., Houser, S. R., & Molkentin, J. D. (2007). Ca2+- and mitochondrial-dependent cardiomyocyte necrosis as a primary mediator of heart failure. Journal of Clinical Investigation. https://doi.org/10.1172/jci31060

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.