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Figure 1 | Medical Gas Research

Figure 1

From: Hydrogen sulfide as a vasculoprotective factor

Figure 1

The balance between vascular relaxant and constrictor factors. The balance of vasoactive factors maintains vascular tone. Vasodilator factors also have anti-proliferative and anti-thrombotic effects, whereas vasoconstrictor factors tend to also have proliferative and/or pro-thrombotic effects. Increases in vasoconstrictor factors or decreases in vasorelaxant factors favour vascular contraction and other pathophysiological changes detrimental to vascular health [18]. PGI2: prostacyclin, ET-1: endothelin-1, TXA2: thromboxane A2, AII: angiotensin II.

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