Protein C or protein S deficiency is also sometimes suspected when a venous thromboembolism develops in an unusual site like the portal, mesenteric, or cerebral veins.
当静脉血栓栓塞出现在不常见的部位时，也要怀疑蛋白C或蛋白S缺乏症，比如门静脉、肠系膜静脉或脑部静脉。
| 单词 | Protein S deficiency |
| 释义 |
Protein S deficiency
原声例句
Osmosis-血液肿瘤 Protein C or protein S deficiency is also sometimes suspected when a venous thromboembolism develops in an unusual site like the portal, mesenteric, or cerebral veins. 当静脉血栓栓塞出现在不常见的部位时，也要怀疑蛋白C或蛋白S缺乏症，比如门静脉、肠系膜静脉或脑部静脉。 Osmosis-血液肿瘤 Since warfarin can lower the levels of protein C and protein S, it is very important that a patient does not take warfarin for at least 2-4 weeks prior to being tested for protein C or protein S deficiency. 由于华法林能够降低蛋白C和S的水平，所以在进行蛋白C和S缺乏症检查之前一定要确保患者至少在2-4周内没有服用过华法林。
英语百科
Protein S deficiencyProtein S deficiency is a disorder associated with increased risk of venous thrombosis. Protein S, a vitamin K-dependent physiological anticoagulant, acts as a nonenzymatic cofactor to activate protein C in the proteolytic degradation of factor Va and factor VIIIa. Decreased (antigen) levels or impaired function (activity) of protein S leads to decreased degradation of factor Va and factor VIIIa and an increased propensity to venous thrombosis. Protein S circulates in human plasma in two forms: approximately 60 percent is bound to complement component C4b β-chain while the remaining 40 percent is free. Only free protein S has activated protein C cofactor activity. |
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