David M. Krzywanski
LSU Health Sciences Center Shreveport
20 Papers
16 Citations
David M. Krzywanski is an academic researcher from LSU Health Sciences Center Shreveport. The author has contributed to research in topics: Biology & Chemistry. The author has an hindex of 12, co-authored 16 publications. Previous affiliations of David M. Krzywanski include University of Alabama at Birmingham.
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Papers
Variable regulation of glutamate cysteine ligase subunit proteins affects glutathione biosynthesis in response to oxidative stress.
David M. Krzywanski,Dale A. Dickinson,Karen E. Iles,Amanda F. Wigley,Christopher C. Franklin,Rui-Ming Liu,Terrance J. Kavanagh,Henry Jay Forman +7 more
TL;DR: It is demonstrated that alterations in cellular GSH are clearly correlated with GCLC to a greater extent than GCLM, suggesting that the regulatory role of G CLM is minimal under physiologically relevant conditions of oxidative stress.
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Pulmonary ozone exposure induces vascular dysfunction, mitochondrial damage, and atherogenesis
Gin C. Chuang,Zhen Yang,David G. Westbrook,Melissa Pompilius,Carol A. Ballinger,C. Roger White,David M. Krzywanski,Edward M. Postlethwait,Scott W. Ballinger +8 more
TL;DR: It is revealed that ozone increased vascular mtDNA damage in nonhuman primates in a fashion consistent with known atherosclerotic lesion susceptibility in humans, and inhaled ozone, in the absence of other environmental toxicants, promotes increased vascular dysfunction, oxidative stress, mitochondrial damage, and atherogenesis.
Effect of Group vs. Single Housing on Phenotypic Variance in C57BL/6J Mice
TL;DR: Results suggest that with respect to body composition parameters, mice housed singly are more similar to one another than are group-housed mice, most likely because of a reduction in environmental (predominately behavioral/social) effects.
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The mitochondrial paradigm for cardiovascular disease susceptibility and cellular function: a complementary concept to mendelian genetics
David M. Krzywanski,Douglas R. Moellering,Jessica L. Fetterman,Kimberly J. Dunham-Snary,Melissa J Sammy,Scott W. Ballinger +5 more
TL;DR: The potential role for mitochondrial genetics and function in determining CVD susceptibility is considered from the standpoint that the original features that molded cellular function were based upon mitochondrial–nuclear relationships established millions of years ago and were likely refined during prehistoric environmental selection events that today, are largely absent.
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Nicotinamide nucleotide transhydrogenase (NNT) regulates mitochondrial ROS and endothelial dysfunction in response to angiotensin II.
TL;DR: It is demonstrated that NNT expression and activity are elevated in response to the mitochondrial dysfunction and oxidative stress associated with Ang II treatment, and is critical for the maintenance of mitochondrial redox balance and mitochondrial function.
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