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2013 ; 8
(6
): 1283-90
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Controllable hydrogen sulfide donors and their activity against myocardial
ischemia-reperfusion injury
#MMPMID23547844
Zhao Y
; Bhushan S
; Yang C
; Otsuka H
; Stein JD
; Pacheco A
; Peng B
; Devarie-Baez NO
; Aguilar HC
; Lefer DJ
; Xian M
ACS Chem Biol
2013[]; 8
(6
): 1283-90
PMID23547844
show ga
Hydrogen sulfide (H2S), known as an important cellular signaling molecule, plays
critical roles in many physiological and/or pathological processes. Modulation of
H2S levels could have tremendous therapeutic value. However, the study on H2S has
been hindered due to the lack of controllable H2S releasing agents that could
mimic the slow and moderate H2S release in vivo. In this work we report the
design, synthesis, and biological evaluation of a new class of controllable H2S
donors. Twenty-five donors were prepared and tested. Their structures were based
on a perthiol template, which was suggested to be involved in H2S biosynthesis.
H2S release mechanism from these donors was studied and proved to be
thiol-dependent. We also developed a series of cell-based assays to access their
H2S-related activities. H9c2 cardiac myocytes were used in these experiments. We
tested lead donors' cytotoxicity and confirmed their H2S production in cells.
Finally we demonstrated that selected donors showed potent protective effects in
an in vivo murine model of myocardial ischemia-reperfusion injury, through a
H2S-related mechanism.
|Animals
[MESH]
|Cell Line
[MESH]
|Delayed-Action Preparations/*chemistry
[MESH]
|Hydrogen Sulfide/*administration & dosage/therapeutic use
[MESH]