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Pathway Description
Heparin Action Pathway
Homo sapiens
Category:
Metabolite Pathway
Sub-Category:
Drug Action
Created: 2021-01-13
Last Updated: 2023-10-25
Heparin is a naturally occurring anticoagulant that has a weight ranging from 3000 to 30 000 Da. It acts by binding antithrombin III that goes on to inactivate factor Xa. Heparin is mainly used for the treatment of venous thrombosis and prevention of thrombosis and embolism following a post-op of cardiac surgery. It accelerates the neutralization of coagulation factors by antithrombin, inhibiting further clotting from occurring as well as any progression of current clots from forming. It is administered intravenously or subcutaneous injection as heparin cannot be taken orally due to the gastrointestinal tract being unable to absorb it. Heparin is eliminated mainly through filtration by the kidneys and a small percentage eliminated through the urine. It possesses a half-life of 1.5 hours and has a clearance rate of 0.43ml/kg/min. Some side effects include heparin-induced-thrombocytopenia caused by a loss in platelet count and the chance of a clot becoming dislodged and obstructing a blood vessel. Overdose of heparin can result in excessive bleeding, while some correlation has been made with therapeutic doses of heparin and osteoporosis. Osteoporosis induced by heparin is seen to be reversible once the heparin use has been discontinued.
References
Heparin Pathway References
Linhardt RJ, Gunay NS: Production and chemical processing of low molecular weight heparins. Semin Thromb Hemost. 1999;25 Suppl 3:5-16.
Pubmed: 10549711
Ferro DR, Provasoli A, Ragazzi M, Casu B, Torri G, Bossennec V, Perly B, Sinay P, Petitou M, Choay J: Conformer populations of L-iduronic acid residues in glycosaminoglycan sequences. Carbohydr Res. 1990 Jan 15;195(2):157-67. doi: 10.1016/0008-6215(90)84164-p.
Pubmed: 2331699
Mulloy B, Forster MJ, Jones C, Davies DB: N.m.r. and molecular-modelling studies of the solution conformation of heparin. Biochem J. 1993 Aug 1;293 ( Pt 3):849-58. doi: 10.1042/bj2930849.
Pubmed: 8352752
Chung DW, Chan WY, Davie EW: Characterization of a complementary deoxyribonucleic acid coding for the gamma chain of human fibrinogen. Biochemistry. 1983 Jun 21;22(13):3250-6. doi: 10.1021/bi00282a033.
Pubmed: 6688357
Rixon MW, Chung DW, Davie EW: Nucleotide sequence of the gene for the gamma chain of human fibrinogen. Biochemistry. 1985 Apr 9;24(8):2077-86. doi: 10.1021/bi00329a041.
Pubmed: 2990550
Ota T, Suzuki Y, Nishikawa T, Otsuki T, Sugiyama T, Irie R, Wakamatsu A, Hayashi K, Sato H, Nagai K, Kimura K, Makita H, Sekine M, Obayashi M, Nishi T, Shibahara T, Tanaka T, Ishii S, Yamamoto J, Saito K, Kawai Y, Isono Y, Nakamura Y, Nagahari K, Murakami K, Yasuda T, Iwayanagi T, Wagatsuma M, Shiratori A, Sudo H, Hosoiri T, Kaku Y, Kodaira H, Kondo H, Sugawara M, Takahashi M, Kanda K, Yokoi T, Furuya T, Kikkawa E, Omura Y, Abe K, Kamihara K, Katsuta N, Sato K, Tanikawa M, Yamazaki M, Ninomiya K, Ishibashi T, Yamashita H, Murakawa K, Fujimori K, Tanai H, Kimata M, Watanabe M, Hiraoka S, Chiba Y, Ishida S, Ono Y, Takiguchi S, Watanabe S, Yosida M, Hotuta T, Kusano J, Kanehori K, Takahashi-Fujii A, Hara H, Tanase TO, Nomura Y, Togiya S, Komai F, Hara R, Takeuchi K, Arita M, Imose N, Musashino K, Yuuki H, Oshima A, Sasaki N, Aotsuka S, Yoshikawa Y, Matsunawa H, Ichihara T, Shiohata N, Sano S, Moriya S, Momiyama H, Satoh N, Takami S, Terashima Y, Suzuki O, Nakagawa S, Senoh A, Mizoguchi H, Goto Y, Shimizu F, Wakebe H, Hishigaki H, Watanabe T, Sugiyama A, Takemoto M, Kawakami B, Yamazaki M, Watanabe K, Kumagai A, Itakura S, Fukuzumi Y, Fujimori Y, Komiyama M, Tashiro H, Tanigami A, Fujiwara T, Ono T, Yamada K, Fujii Y, Ozaki K, Hirao M, Ohmori Y, Kawabata A, Hikiji T, Kobatake N, Inagaki H, Ikema Y, Okamoto S, Okitani R, Kawakami T, Noguchi S, Itoh T, Shigeta K, Senba T, Matsumura K, Nakajima Y, Mizuno T, Morinaga M, Sasaki M, Togashi T, Oyama M, Hata H, Watanabe M, Komatsu T, Mizushima-Sugano J, Satoh T, Shirai Y, Takahashi Y, Nakagawa K, Okumura K, Nagase T, Nomura N, Kikuchi H, Masuho Y, Yamashita R, Nakai K, Yada T, Nakamura Y, Ohara O, Isogai T, Sugano S: Complete sequencing and characterization of 21,243 full-length human cDNAs. Nat Genet. 2004 Jan;36(1):40-5. doi: 10.1038/ng1285. Epub 2003 Dec 21.
Pubmed: 14702039
Bock SC, Wion KL, Vehar GA, Lawn RM: Cloning and expression of the cDNA for human antithrombin III. Nucleic Acids Res. 1982 Dec 20;10(24):8113-25. doi: 10.1093/nar/10.24.8113.
Pubmed: 6298709
Chandra T, Stackhouse R, Kidd VJ, Woo SL: Isolation and sequence characterization of a cDNA clone of human antithrombin III. Proc Natl Acad Sci U S A. 1983 Apr;80(7):1845-8. doi: 10.1073/pnas.80.7.1845.
Pubmed: 6572945
Olds RJ, Lane DA, Chowdhury V, De Stefano V, Leone G, Thein SL: Complete nucleotide sequence of the antithrombin gene: evidence for homologous recombination causing thrombophilia. Biochemistry. 1993 Apr 27;32(16):4216-24. doi: 10.1021/bi00067a008.
Pubmed: 8476848
Messier TL, Pittman DD, Long GL, Kaufman RJ, Church WR: Cloning and expression in COS-1 cells of a full-length cDNA encoding human coagulation factor X. Gene. 1991 Mar 15;99(2):291-4. doi: 10.1016/0378-1119(91)90141-w.
Pubmed: 1902434
Leytus SP, Foster DC, Kurachi K, Davie EW: Gene for human factor X: a blood coagulation factor whose gene organization is essentially identical with that of factor IX and protein C. Biochemistry. 1986 Sep 9;25(18):5098-102. doi: 10.1021/bi00366a018.
Pubmed: 3768336
Gerhard DS, Wagner L, Feingold EA, Shenmen CM, Grouse LH, Schuler G, Klein SL, Old S, Rasooly R, Good P, Guyer M, Peck AM, Derge JG, Lipman D, Collins FS, Jang W, Sherry S, Feolo M, Misquitta L, Lee E, Rotmistrovsky K, Greenhut SF, Schaefer CF, Buetow K, Bonner TI, Haussler D, Kent J, Kiekhaus M, Furey T, Brent M, Prange C, Schreiber K, Shapiro N, Bhat NK, Hopkins RF, Hsie F, Driscoll T, Soares MB, Casavant TL, Scheetz TE, Brown-stein MJ, Usdin TB, Toshiyuki S, Carninci P, Piao Y, Dudekula DB, Ko MS, Kawakami K, Suzuki Y, Sugano S, Gruber CE, Smith MR, Simmons B, Moore T, Waterman R, Johnson SL, Ruan Y, Wei CL, Mathavan S, Gunaratne PH, Wu J, Garcia AM, Hulyk SW, Fuh E, Yuan Y, Sneed A, Kowis C, Hodgson A, Muzny DM, McPherson J, Gibbs RA, Fahey J, Helton E, Ketteman M, Madan A, Rodrigues S, Sanchez A, Whiting M, Madari A, Young AC, Wetherby KD, Granite SJ, Kwong PN, Brinkley CP, Pearson RL, Bouffard GG, Blakesly RW, Green ED, Dickson MC, Rodriguez AC, Grimwood J, Schmutz J, Myers RM, Butterfield YS, Griffith M, Griffith OL, Krzywinski MI, Liao N, Morin R, Palmquist D, Petrescu AS, Skalska U, Smailus DE, Stott JM, Schnerch A, Schein JE, Jones SJ, Holt RA, Baross A, Marra MA, Clifton S, Makowski KA, Bosak S, Malek J: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Genome Res. 2004 Oct;14(10B):2121-7. doi: 10.1101/gr.2596504.
Pubmed: 15489334
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