Hydrogen sulfide-mediated cardioprotection against ischemia reperfusion is linked to KATP channel for mitochondrial preservation but not for its distinct preference on interfibrillar mitochondria

Hydrogen sulfide has been shown to protect  myocardium against ischemia-reperfusion injury by preserving interfibrillar mitochondria functional activi-ties than subsarcolemmal mitochondria. In this study, the role of the KATP channel in modulating the mitochondrial subpopulations during the cardiopr...

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Main Authors: Priyadharshini Chandrasekaran (Author), Sriram Ravindran (Author), Sri Rahavi Boovarahan (Author), Gino A. Kurian (Author)
Format: Book
Published: Bangladesh Pharmacological Society, 2019-06-01T00:00:00Z.
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042 |a dc 
100 1 0 |a Priyadharshini Chandrasekaran  |e author 
700 1 0 |a Sriram Ravindran  |e author 
700 1 0 |a Sri Rahavi Boovarahan  |e author 
700 1 0 |a Gino A. Kurian  |e author 
245 0 0 |a Hydrogen sulfide-mediated cardioprotection against ischemia reperfusion is linked to KATP channel for mitochondrial preservation but not for its distinct preference on interfibrillar mitochondria 
260 |b Bangladesh Pharmacological Society,   |c 2019-06-01T00:00:00Z. 
500 |a 10.3329/bjp.v14i2.39890 
500 |a 1991-0088 
520 |a Hydrogen sulfide has been shown to protect  myocardium against ischemia-reperfusion injury by preserving interfibrillar mitochondria functional activi-ties than subsarcolemmal mitochondria. In this study, the role of the KATP channel in modulating the mitochondrial subpopulations during the cardioprotection mediated by NaSH (H2S donor) was investigated. Isolated rat hearts were treated with mitochondrial KATP channel closer glibenclamide (10 μM)/opener diazoxide (0.8 mM) via Langendorff perfusion apparatus before ischemia-reperfusion. The results showed that NaSH pre-conditioning in presence of glibenclamide significantly improved cardiac recovery without any significant difference between interfibrillar mitochondria and subsarcolemmal mitochondria.  In conclusion, targeting KATP channel may not be good option to target interfibrillar mitochondria/subsarcolemmal mitochondria against ischemia-reperfusion injury. 
546 |a EN 
690 |a Hydrogen sulfide 
690 |a Ischemia reperfusion; Ischemic preconditioning 
690 |a Mitochondrial KATP channel 
690 |a Diazoxide 
690 |a Therapeutics. Pharmacology 
690 |a RM1-950 
655 7 |a article  |2 local 
786 0 |n Bangladesh Journal of Pharmacology, Vol 14, Iss 2 (2019) 
787 0 |n https://www.banglajol.info/index.php/BJP/article/view/39890 
787 0 |n https://doaj.org/toc/1991-0088 
856 4 1 |u https://doaj.org/article/c8da412c065b45dba5a735fa6effe215  |z Connect to this object online.