WebUses of Protein S Antigen Free Test Here we are testing for the free protein S antigen in the blood to know if there is thrombosis or not and it is done on the patient with past … WebApr 10, 2024 · Protein S deficiency is a rare genetic disorder of blood coagulation that is caused by a variation in the PROS1 gene. This variation is inherited in an autosomal dominant manner. Affected individuals are at an increased risk of developing blood clots in the legs (deep venous thrombosis), which can break off and travel to the lungs, which is ...

Protein C and Protein S - Testing.com

WebProtein S deficiency is a rare disorder (usually inherited) that lets your blood clot too easily. Protein S helps keep other coagulation proteins from making too many blood clots. It’s … WebThe free protein S antigen in plasma is measured by the immuno-turbidimetric method. Clinical assay interference and limitations: The presence of rheumatoid factor, anti … christensen arms mpr brown

Total protein test - NHS

WebOnly free protein S has anticoagulant activity. Congenital protein S deficiency is an autosomal codominant disorder that is present in 1% to 3% of patients with venous … WebIn healthy neonates the total protein S antigen levels are 15% to 30% of normal, and the C4b-binding protein is significantly reduced to less than 20%, such that the free form of … WebProtein S deficiency. This is another rare disease that causes people to make abnormal blood clots. ... This means that you do not have enough antithrombin protein. But if the antigen test shows a normal result, the AT deficiency shown by the activity test is likely to be type 2. This means you have enough antithrombin protein, but its quality ... christensen arms monopod rail