Trichlormethiazide is a pharmacologically-active small molecule that belongs to a class of drugs called thiazides. Thiazides and thiazide-like drugs are diuretics commonly employed to control hypertension. Trichloromethiazide acts by inhibiting chloride and potentially sodium reabsorption in the ascending loop of Henle, specifically at solute carrier family 12 member 3. This action results in increased fluid loss which ultimately reduces blood volume and pressure. Trichlormethiazide also acts to inhibit sodium uptake and increase potassium excretion which also serves to increase fluid loss. The long-term antihypertensive effects of thiazides and thiazide-like drugs such as trichlormethiazide are not well-characterized but may involve its action on carbonic anhydrases.
References
Trichlormethiazide Pathway References
Brater DC: Pharmacology of diuretics. Am J Med Sci. 2000 Jan;319(1):38-50.
Wishart DS, Feunang YD, Guo AC, Lo EJ, Marcu A, Grant JR, Sajed T, Johnson D, Li C, Sayeeda Z, Assempour N, Iynkkaran I, Liu Y, Maciejewski A, Gale N, Wilson A, Chin L, Cummings R, Le D, Pon A, Knox C, Wilson M: DrugBank 5.0: a major update to the DrugBank database for 2018. Nucleic Acids Res. 2018 Jan 4;46(D1):D1074-D1082. doi: 10.1093/nar/gkx1037.
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