Factor XIII
Factor XIII (also known as Fibrin Stabilizing Factor) is a protein that plays a crucial role in the blood clotting process. It is a transglutaminase enzyme, which means it catalyzes the formation of covalent bonds between proteins. This is particularly important in the final stages of the clotting process, where Factor XIII cross-links fibrin, stabilizing the clot.
Structure[edit | edit source]
Factor XIII is a tetramer composed of two A subunits and two B subunits. The A subunits carry the catalytic site of the enzyme, while the B subunits act as carrier molecules, protecting the A subunits from premature activation.
Function[edit | edit source]
The primary function of Factor XIII is to stabilize the fibrin clot that forms at the site of a wound. It does this by cross-linking the fibrin strands, making the clot more resistant to degradation. This is a crucial step in the clotting process, as it ensures that the clot remains in place long enough for the wound to heal.
Deficiency[edit | edit source]
Factor XIII deficiency is a rare genetic disorder characterized by abnormal blood clotting. This can lead to a variety of symptoms, including abnormal bleeding, poor wound healing, and in severe cases, life-threatening bleeding disorders.
Treatment[edit | edit source]
Treatment for Factor XIII deficiency typically involves regular infusions of Factor XIII concentrate. This can help to prevent bleeding episodes and improve wound healing.
See Also[edit | edit source]
Factor XIII Resources | ||
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