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Factor X deficiency (X as Roman numeral ten) is a bleeding disorder characterized by a lack in the production of factor X (FX), an enzyme protein that causes blood to clot in the coagulation cascade. Produced in the liver FX when activated cleaves prothrombin to generate thrombin in the intrinsic pathway of coagulation.
Apart from congenital deficiency, low factor X levels may occur occasionally in a number of disease states. For example, factor X deficiency may be seen in amyloidosis, where factor X is adsorbed to the amyloid fibrils in the vasculature. Deficiency of vitamin K or antagonism by warfarin (or similar medication) leads to the production of an ...
Fragile X syndrome is the most "translated" human neurodevelopmental disorder under study. Hence, research into the etiology of FXS has given rise to many attempts at drug discovery. [66] The increased understanding of the molecular mechanisms of disease in FXS has led to the development of therapies targeting the affected pathways.
Factors VII, IX, and X all play key roles in blood coagulation and also share a common domain architecture. [10] The factor IX protein is composed of four protein domains: the Gla domain, two tandem copies of the EGF domain and a C-terminal trypsin-like peptidase domain which carries out the catalytic cleavage.
Protein C deficiency is a rare genetic trait that predisposes to thrombotic disease. It was first described in 1981. [ 2 ] The disease belongs to a group of genetic disorders known as thrombophilias .
“This concept [of Disease X] was one of the lessons we learned from this pandemic,” Dr Russo said. “As mankind breaks down these barriers [between humans and other species] through live ...
Glanzmann's thrombasthenia is an abnormality of the platelets. [2] It is an extremely rare coagulopathy (bleeding disorder due to a blood abnormality), in which the platelets contain defective or low levels of glycoprotein IIb/IIIa (GpIIb/IIIa), which is a receptor for fibrinogen.
Areas where the disease has been shown to present itself at include the liver, since the glycoprotein is stored in this area. Acquired cases are results from an isolated factor II deficiency. Specific cases include: Vitamin K deficiency: In the liver, vitamin K plays an important role in the synthesis of coagulation factor II. Body's capacity ...