Intravital microscopic methods to evaluate anti-inflammatory effects and signaling mechanisms evoked by hydrogen sulfide

Methods in Enzymology
Mozow Y Zuidema, Ronald J Korthuis

Abstract

Hydrogen sulfide (H2S) is an endogenous gaseous signaling molecule with potent anti-inflammatory properties. Exogenous application of H2S donors, administered either acutely during an inflammatory response or as an antecedent preconditioning intervention that invokes the activation of anti-inflammatory cell survival programs, effectively limits leukocyte rolling, adhesion and emigration, generation of reactive oxygen species, chemokine and cell adhesion molecule expression, endothelial barrier disruption, capillary perfusion deficits, and parenchymal cell dysfunction and injury. This chapter focuses on intravital microscopic methods that can be used to assess the anti-inflammatory effects exerted by H2S, as well as to explore the cellular signaling mechanisms by which this gaseous molecule limits the aforementioned inflammatory responses. Recent advances include use of intravital multiphoton microscopy and optical biosensor technology to explore signaling mechanisms in vivo.

Citations

Aug 9, 2020·American Journal of Physiology. Heart and Circulatory Physiology·Hong YuRonald J Korthuis
Jan 9, 2021·American Journal of Physiology. Heart and Circulatory Physiology·Yajun LiuGrzegorz Sowa
Jan 23, 2021·American Journal of Physiology. Heart and Circulatory Physiology·Yajun LiuGrzegorz Sowa

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