The Effect of Hydrogen Sulfide in Liver Blood Flow with Portal Hypertension on the Rats
DOI:
https://doi.org/10.29038/2617-4723-2015-302-211-216Keywords:
liver, hydrogen sulfide, L-cysteine, portal pressure, liver blood flowAbstract
In experiments onmale laboratory rats were shown, that NaJ-model of portal hypertension (РH)causedan increased pressurein arterial vesselsat 37 % (p < 0,01), the pressure in portal vein to 75,5 % (p < 0,01) and decreaseliver blood flow at 28,5 % (p < 0,001). The development of PH also accompanied by the reduction blood vessels reactivity inrats. Thelong-term (during 20 days)that intraportal injectionof L-cysteine (40 mg/kg) leads to stabilizes pressure and vascular reactivity of the intrahepatic vessels and blood volume in the gland. Based on the obtained results it is possible that concentration in plasma in endogenous hydrogen sulfide decreases РН rats, but the additional injection of hydrogen sulfide’s precursor L-cysteine in portal vein causes normalization liver blood flow and dilatation blood vessels of the liver.
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