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Hydrogen Sulfide As An Allosteric Modulator Of Atp Sensitive Potassium Channels In Colonic Inflammation., Aravind Gade
Hydrogen Sulfide As An Allosteric Modulator Of Atp Sensitive Potassium Channels In Colonic Inflammation., Aravind Gade
Theses and Dissertations
The ATP sensitive potassium channel (KATP) in mouse colonic smooth muscle cell is a complex containing a pore forming subunit (Kir6.1) and a sulfonyl urea receptor subunit (SUR2B). These channels are responsible for maintaining the cellular excitability of the smooth muscle cell which in turn regulates the motility patterns in the colon. We used whole-cell voltage-clamp techniques to study the alterations in these channels in smooth muscle cells in experimental model of colitis (colonic inflammation). Colitis was induced in BALB/C mice following an intracolonic administration of trinitrobenzene sulfonic acid (TNBS). KATP currents were measured at Vh -60 mV in high …