Roles of CSE and MPST in Coronary Vasoregulation

What role does hydrogen sulfide play in coronary vascular function? That’s just what lead author Lakshmi Santhanam and colleagues set out to uncover in the work by Kuo et al, which we discuss in this podcast. Associate Editor Nancy Kanagy (University of New Mexico School of Medicine) interviews Santhanam (Johns Hopkins University) and content expert Christopher Kevil (Louisiana State University) about the role and source of hydrogen sulfide in coronary arteries and the discovery that the endothelial enzyme 3-mercaptypyruvate sulfertransferase (MPST) is the primary regulator. Does MPST operate in other vascular beds? Are the fluorescence indicators used by Santhanam and co-authors a reliable tool to detect real-time measurements of hydrogen sulfide production? Listen and find out.


Maggie M. Kuo, Dae Hee Kim, Sandeep Jandu, Yehudit Bergman, Siqi Tan, Huilei Wang, Deepesh R. Pandey, Theodore P. Abraham, Artin A. Shoukas, Dan E. Berkowitz, Lakshmi Santhanam MPST but not CSE is the primary regulator of hydrogen sulfide production and function in the coronary artery Am J Physiol Heart Circ Physiol, published January 1, 2016. DOI: 10.1152/ajpheart.00574.2014.

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