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Erschienen in: Journal of Cardiovascular Translational Research 1/2022

20.07.2021 | Original Article

Intracellular Ca2+ Dysregulation in Coronary Smooth Muscle Is Similar in Coronary Disease of Humans and Ossabaw Miniature Swine

verfasst von: Jill K. Badin, Caleb Eggenberger, Stacey Dineen Rodenbeck, Zubair A. Hashmi, I-wen Wang, Jose P. Garcia, Mouhamad Alloosh, Michael Sturek

Erschienen in: Journal of Cardiovascular Translational Research | Ausgabe 1/2022

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Abstract

Intracellular free Ca2+ ([Ca2+]i) dysregulation occurs in coronary smooth muscle (CSM) in atherosclerotic coronary artery disease (CAD) of metabolic syndrome (MetS) swine. Our goal was to determine how CAD severity, arterial structure, and MetS risk factors associate with [Ca2+]i dysregulation in human CAD compared to changes in Ossabaw miniature swine. CSM cells were dispersed from coronary arteries of explanted hearts from transplant recipients and from lean and MetS swine with CAD. CSM [Ca2+]i elicited by Ca2+ influx and sarcoplasmic reticulum (SR) Ca2+ release and sequestration was measured with fura-2. Increased [Ca2+]i signaling was associated with advanced age and a greater media area in human CAD. Decreased [Ca2+]i signaling was associated with a greater number of risk factors and a higher plaque burden in human and swine CAD. Similar [Ca2+]i dysregulation exhibited in human and Ossabaw swine CSM provides strong evidence for the translational relevance of this large animal model.
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Metadaten
Titel
Intracellular Ca2+ Dysregulation in Coronary Smooth Muscle Is Similar in Coronary Disease of Humans and Ossabaw Miniature Swine
verfasst von
Jill K. Badin
Caleb Eggenberger
Stacey Dineen Rodenbeck
Zubair A. Hashmi
I-wen Wang
Jose P. Garcia
Mouhamad Alloosh
Michael Sturek
Publikationsdatum
20.07.2021
Verlag
Springer US
Erschienen in
Journal of Cardiovascular Translational Research / Ausgabe 1/2022
Print ISSN: 1937-5387
Elektronische ISSN: 1937-5395
DOI
https://doi.org/10.1007/s12265-021-10153-5

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