Hydrogen Sulfide Causes Relaxation in Mouse Bronchial Smooth Muscle

We investigated the effects of NaHS, a hydrogen sulfide (H2S) donor, on the tension of isolated mouse and guinea-pig bronchial rings. NaHS at 0.01 - 10 mM had no effect on the tone of those preparations without precontraction. When the preparation was precontracted with carbachol, NaHS at 0.1 - 3 mM...

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Main Authors: Satoko Kubo (Author), Ichiko Doe (Author), Yuko Kurokawa (Author), Atsufumi Kawabata (Author)
Format: Book
Published: Elsevier, 2007-01-01T00:00:00Z.
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100 1 0 |a Satoko Kubo  |e author 
700 1 0 |a Ichiko Doe  |e author 
700 1 0 |a Yuko Kurokawa  |e author 
700 1 0 |a Atsufumi Kawabata  |e author 
245 0 0 |a Hydrogen Sulfide Causes Relaxation in Mouse Bronchial Smooth Muscle 
260 |b Elsevier,   |c 2007-01-01T00:00:00Z. 
500 |a 1347-8613 
500 |a 10.1254/jphs.SC0070199 
520 |a We investigated the effects of NaHS, a hydrogen sulfide (H2S) donor, on the tension of isolated mouse and guinea-pig bronchial rings. NaHS at 0.01 - 10 mM had no effect on the tone of those preparations without precontraction. When the preparation was precontracted with carbachol, NaHS at 0.1 - 3 mM strongly relaxed the mouse rings, but produced only slight relaxation in the guinea-pig rings. The NaHS-induced relaxation in the mouse bronchus was resistant to inhibitors of ATP-sensitive K+ channels, soluble guanylyl cyclase, cyclooxygenase (COX)-1 or COX-2, and antagonists of tachykinin receptors. Thus, NaHS evokes bronchodilation in mice, suggesting a possible role for H2S in the respiratory system. Keywords:: hydrogen sulfide (H2S), smooth muscle, bronchodilation 
546 |a EN 
690 |a Therapeutics. Pharmacology 
690 |a RM1-950 
655 7 |a article  |2 local 
786 0 |n Journal of Pharmacological Sciences, Vol 104, Iss 4, Pp 392-396 (2007) 
787 0 |n http://www.sciencedirect.com/science/article/pii/S1347861319342392 
787 0 |n https://doaj.org/toc/1347-8613 
856 4 1 |u https://doaj.org/article/d9a62e66eee84090b1de5aab8982783f  |z Connect to this object online.