Sandbox Reserved 1482: Difference between revisions

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== History ==
== History ==
'''1937''': first use of the factor VIII (known at this period as “Antihemophilic Globulin”) to cure the blood coagulation disorder of hemophilia patients thanks to the discovery of F.H.L Patek and A.J Taylor <ref>Patek AJ & Taylor FHL. Hemophilia. II. Some properties of a substance obtained from normal human plasma effective in accelerating the coagulation of hemophilic blood. The Journal of clinical investigation. 1937 Jan; 16(1): 113-124. PMID: 16694450 doi: 10.1172/JCI100829</ref>.
'''1937''': first use of the factor VIII (known as “Antihemophilic Globulin”) to cure blood coagulation disorders thanks to the discovery of F.H.L Patek and A.J Taylor <ref>Patek AJ & Taylor FHL. Hemophilia. II. Some properties of a substance obtained from normal human plasma effective in accelerating the coagulation of hemophilic blood. The Journal of clinical investigation. 1937 Jan; 16(1): 113-124. PMID: 16694450 doi: 10.1172/JCI100829</ref>.


'''1964''': Usual utilisation of concentrated factor VIII to treat hemophilia <ref>Dallman PR & Pool JG. Treatment of hemophilia with factor VIII concentrates. New England Journal of Medicine. 1968 Jan ; 278(4): 199-202. PMID: 5711341 doi: 10.1056/NEJM196801252780406</ref>.
'''1964''': Usual utilisation of concentrated factor VIII to treat hemophilia <ref>Dallman PR & Pool JG. Treatment of hemophilia with factor VIII concentrates. New England Journal of Medicine. 1968 Jan ; 278(4): 199-202. PMID: 5711341 doi: 10.1056/NEJM196801252780406</ref>.
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Factor VIIIa is obtained by cleavage and release of the B domain <ref name="wikipedia" /><ref name="Ngo" /><ref name="toole">Toole JJ, Pittman DD, Orr EC, Murtha P, Wasley LC & Kaufman RJ. A large region (approximately equal to 95 kDa) of human factor VIII is dispensable for ''in vitro'' procoagulant activity. Proceedings of the National Academy of Sciences. 1986 Aug; 83(16): 5939-5942. PMID: 3016730 doi  https://doi.org/10.1073/pnas.83.16.5939</ref>. Although factor VIIIa can be formed from at least two cleavages involving Arg372 and Arg1689, fully factor VIIIa is obtained by a third cleavage at Arg740 <ref name="Ngo" />.
Factor VIIIa is obtained by cleavage and release of the B domain <ref name="wikipedia" /><ref name="Ngo" /><ref name="toole">Toole JJ, Pittman DD, Orr EC, Murtha P, Wasley LC & Kaufman RJ. A large region (approximately equal to 95 kDa) of human factor VIII is dispensable for ''in vitro'' procoagulant activity. Proceedings of the National Academy of Sciences. 1986 Aug; 83(16): 5939-5942. PMID: 3016730 doi  https://doi.org/10.1073/pnas.83.16.5939</ref>. Although factor VIIIa can be formed from at least two cleavages involving Arg372 and Arg1689, fully factor VIIIa is obtained by a third cleavage at Arg740 <ref name="Ngo" />.


The two chain that result are a heavy and a light chains <ref name="Ngo" /><ref name="El" /><ref name="pdb" />.
The two chain that result are a heavy and a light chains <ref name="Ngo" /><ref name="El" /><ref name="pdb" />.