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Pathway Description
Trichlormethiazide Action Pathway
Homo sapiens
Drug Action Pathway
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.
Pubmed: 10653443
Davies DL, Wilson GM: Diuretics: mechanism of action and clinical application. Drugs. 1975;9(3):178-226.
Pubmed: 1092541
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.
Pubmed: 29126136
Kidney Function References
Mount DB: Thick ascending limb of the loop of Henle. Clin J Am Soc Nephrol. 2014 Nov 7;9(11):1974-86. doi: 10.2215/CJN.04480413. Epub 2014 Oct 15.
Pubmed: 25318757
Giebisch G: Renal potassium channels: function, regulation, and structure. Kidney Int. 2001 Aug;60(2):436-45. doi: 10.1046/j.1523-1755.2001.060002436.x.
Pubmed: 11473623
Subramanya AR, Ellison DH: Distal convoluted tubule. Clin J Am Soc Nephrol. 2014 Dec 5;9(12):2147-63. doi: 10.2215/CJN.05920613. Epub 2014 May 22.
Pubmed: 24855283
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