Differential Mitochondrial Adaptation in Primary Vascular Smooth Muscle Cells from a Diabetic Rat Model
Joint Authors
Keller, Amy C.
Knaub, Leslie A.
McClatchey, P. Mason
Connon, Chelsea A.
Bouchard, Ron
Miller, Matthew W.
Geary, Kate E.
Walker, Lori A.
Klemm, Dwight J.
Reusch, Jane E. B.
Source
Oxidative Medicine and Cellular Longevity
Issue
Vol. 2016, Issue 2016 (31 Dec. 2016), pp.1-15, 15 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2016-01-11
Country of Publication
Egypt
No. of Pages
15
Main Subjects
Abstract EN
Diabetes affects more than 330 million people worldwide and causes elevated cardiovascular disease risk.
Mitochondria are critical for vascular function, generate cellular reactive oxygen species (ROS), and are perturbed by diabetes, representing a novel target for therapeutics.
We hypothesized that adaptive mitochondrial plasticity in response to nutrient stress would be impaired in diabetes cellular physiology via a nitric oxide synthase- (NOS-) mediated decrease in mitochondrial function.
Primary smooth muscle cells (SMCs) from aorta of the nonobese, insulin resistant rat diabetes model Goto-Kakizaki (GK) and the Wistar control rat were exposed to high glucose (25 mM).
At baseline, significantly greater nitric oxide evolution, ROS production, and respiratory control ratio (RCR) were observed in GK SMCs.
Upon exposure to high glucose, expression of phosphorylated eNOS, uncoupled respiration, and expression of mitochondrial complexes I, II, III, and V were significantly decreased in GK SMCs (p<0.05).
Mitochondrial superoxide increased with high glucose in Wistar SMCs (p<0.05) with no change in the GK beyond elevated baseline concentrations.
Baseline comparisons show persistent metabolic perturbations in a diabetes phenotype.
Overall, nutrient stress in GK SMCs caused a persistent decline in eNOS and mitochondrial function and disrupted mitochondrial plasticity, illustrating eNOS and mitochondria as potential therapeutic targets.
American Psychological Association (APA)
Keller, Amy C.& Knaub, Leslie A.& McClatchey, P. Mason& Connon, Chelsea A.& Bouchard, Ron& Miller, Matthew W.…[et al.]. 2016. Differential Mitochondrial Adaptation in Primary Vascular Smooth Muscle Cells from a Diabetic Rat Model. Oxidative Medicine and Cellular Longevity،Vol. 2016, no. 2016, pp.1-15.
https://search.emarefa.net/detail/BIM-1114384
Modern Language Association (MLA)
Keller, Amy C.…[et al.]. Differential Mitochondrial Adaptation in Primary Vascular Smooth Muscle Cells from a Diabetic Rat Model. Oxidative Medicine and Cellular Longevity No. 2016 (2016), pp.1-15.
https://search.emarefa.net/detail/BIM-1114384
American Medical Association (AMA)
Keller, Amy C.& Knaub, Leslie A.& McClatchey, P. Mason& Connon, Chelsea A.& Bouchard, Ron& Miller, Matthew W.…[et al.]. Differential Mitochondrial Adaptation in Primary Vascular Smooth Muscle Cells from a Diabetic Rat Model. Oxidative Medicine and Cellular Longevity. 2016. Vol. 2016, no. 2016, pp.1-15.
https://search.emarefa.net/detail/BIM-1114384
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1114384