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The deficiency leads to decreased activity in the intrinsic pathway (F-IX) factors, monitored by PTT, and the extrinsic pathway (F-VII) which PT monitors. However, factor VII has the shortest half-life of all the factors carboxylated by vitamin K; therefore, when deficient, it is the PT that rises first, since the activated Factor VII is the ...
Factor VII deficiency is a bleeding disorder characterized by a lack in the production of Factor VII (FVII) (proconvertin), a protein that causes blood to clot in the coagulation cascade. After a trauma factor VII initiates the process of coagulation in conjunction with tissue factor (TF/factor III) in the extrinsic pathway. [citation needed]
Vitamin K is an essential factor to the hepatic gamma-glutamyl carboxylase that adds a carboxyl group to glutamic acid residues on factors II, VII, IX and X, as well as Protein S, Protein C and Protein Z. In adding the gamma-carboxyl group to glutamate residues on the immature clotting factors, Vitamin K is itself oxidized.
To avoid a vitamin K deficiency, eat foods high in vitamin K1, including leafy green veggies, broccoli, edamame, pumpkin, and pomegranate juice and those high in vitamin K2, including dark-meat ...
Vitamin K belongs to a family of fat-soluble vitamins including A, D and E. These vitamins require bile and pancreatic fat-breaking enzymes to digest and absorb. Vitamin K has many roles, but the ...
Factor VII has a short half-life and the carboxylation of its glutamate residues requires vitamin K. The prothrombin time can be prolonged as a result of deficiencies in vitamin K, warfarin therapy, malabsorption, or lack of intestinal colonization by bacteria (such as in newborns). In addition, poor factor VII synthesis (due to liver disease ...
2155 14068 Ensembl ENSG00000057593 ENSMUSG00000031443 UniProt P08709 P70375 RefSeq (mRNA) NM_000131 NM_001267554 NM_019616 NM_010172 RefSeq (protein) NP_000122 NP_001254483 NP_062562 NP_034302 Location (UCSC) Chr 13: 113.11 – 113.12 Mb Chr 8: 13.08 – 13.09 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Coagulation factor VII (EC 3.4.21.21, formerly known as proconvertin) is a ...
Vitamin K is a family of structurally similar, fat-soluble vitamers found in foods and marketed as dietary supplements. [1] The human body requires vitamin K for post-synthesis modification of certain proteins that are required for blood coagulation ("K" from Danish koagulation, for "coagulation") or for controlling binding of calcium in bones and other tissues. [2]