Gene/Protein Disease Symptom Drug Enzyme Compound
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 29,987 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Trousseau's syndrome refers to cancer-associated coagulopathy. The signs and symptoms of the syndrome are protean, and the underlying cancer is often occult. Treatment regimens vary. Heparin seems to be the initial drug of choice, perhaps continued indefinitely (intravenously or subcutaneously) on an outpatient basis. Warfarin does not seem to be beneficial.
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PMID:Trousseau's syndrome. 304 72

Cancer is characterized by bidirectional interrelations between tumour progression, coagulation activation, and inflammation. Tissue factor (TF), the principal initiator of the coagulation protease cascade, is centrally positioned in this complex triangular network due to its pleiotropic effects in haemostasis, angiogenesis, and haematogenous metastasis. While formation of macroscopic thrombi is the correlate of cancer-associated venous thromboembolism (VTE), a major healthcare burden in clinical haematology and oncology, microvascular thrombosis appears to be critically important to blood-borne tumour cell dissemination. In this regard, expression of TF in malignant tissues as well as shedding of TF-bearing microparticles into the circulation are thought to be regulated by defined genetic events relevant to pathological cancer progression, thus directly linking Trousseau's syndrome to molecular tumourigenesis. Because pharmacological inhibition of the TF pathway in selective tumour types and patient subgroups would be in line with the modern concept of individualized, targeted anti-cancer therapy, this review will focus on the role of TF in tumour biology and cancer-associated VTE.
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PMID:Crosstalk between cancer and haemostasis. Implications for cancer biology and cancer-associated thrombosis with focus on tissue factor. 2179 69

Trousseau's syndrome is a well-known malignancy associated hypercoagulative state leading to venous or arterial thrombosis. The pathophysiology is however poorly understood, although multiple mechanisms are believed to be involved. We report a case of Trousseau's syndrome resulting in concomitant cerebral and myocardial microthrombosis, presenting with acute ischemic stroke and markedly elevated plasma troponin T levels suggesting myocardial injury. Without any previous medical history, the patient developed multiple cerebral infarctions and died within 11 days of admission. The patient was postmortem diagnosed with an advanced metastatic adenocarcinoma of the prostate with disseminated cerebral, pulmonary, and myocardial microthrombosis. Further analyses revealed, to the best of our knowledge for the first time in stroke patients, circulating microvesicles positive for the epithelial tumor marker CK18 and citrullinated histone H3 in thrombi, markers of the recently described cancer-associated procoagulant DNA-based neutrophil extracellular traps. We also found tissue factor, the main in vivo initiator of coagulation, both in thrombi and in metastases. Troponin elevation in acute ischemic stroke is common and has repeatedly been associated with an increased risk of mortality. The underlying pathophysiology is however not fully clarified, although a number of possible explanations have been proposed. We now suggest that unexplainable high levels of troponin in acute ischemic stroke deserve special attention in terms of possible occult malignancy.
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PMID:Trousseau's Syndrome, a Previously Unrecognized Condition in Acute Ischemic Stroke Associated With Myocardial Injury. 2642 12

Trousseau's syndrome (cancer-associated thrombosis) is the second leading cause of death in cancer patients, after death from cancer itself. The risk of a venous thromboembolism is 4- to 7-fold higher in patients with cancer than in those without cancer. The causes of this impaired coagulation are associated with general patient-related risk factors, and other factors that are specific to the particular cancer or treatment. It is important to assess the risk of thrombotic events in cancer patients and administer effective prophylaxis and treatment. Effective prophylaxis and treatment of venous thromboembolism reduces morbidity and mortality, and improves patients' quality of life. Low molecular weight heparin is the first-line treatment for venous thromboembolism, as an effective and safe means for prophylaxis and treatment, according to guidelines released by international scientific societies. Oral anticoagulation therapy with warfarin is preferable to no therapy. However, warfarin has low efficacy and is associated with high rates of recurrence. If low molecular weight heparin is unavailable, some guidelines recommend the use of vitamin K antagonists that have a target international normalized ratio in the range of 2-3, as acceptable alternatives. Novel oral anticoagulants that directly inhibit factor Xa or thrombin are promising for the prophylaxis of high-risk cancer patients and in the long-term treatment of venous thromboembolism. However, to date, there is insufficient evidence to support the use of these new anticoagulants.
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PMID:Trousseau's syndrome: cancer-associated thrombosis. 2654 90

Cerebral infarction in patients with cancer is often called Trousseau's syndrome, which is a cancer-associated hypercoagulative state that causes thrombosis; however, the syndrome is rarely caused by bladder cancer. We report a case of Trousseau's syndrome manifesting as multiple cerebral infarctions caused by advanced bladder cancer in a 46-year-old male patient. The patient died due to the infarctions in the hospital. The prognosis of patients with Trousseau's syndrome caused by advanced cancer is poor. According to changing urological clinical settings, considering the risk of Trousseau's syndrome has become crucial for urologists treating patients with advanced cancer.
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PMID:Trousseau's syndrome manifesting as multiple cerebral infarctions caused by bladder cancer. 3121 Oct 93

Thrombosis is a major cause of morbidity and mortality in cancer patients. The pathogenesis of blood coagulation activation in oncological patients is complex and involves both clinical and biological factors. Abnormalities in one or more coagulation test are common in cancer patients, even without thrombotic manifestations, indicating an ongoing hypercoagulable condition. Moreover, venous thromboembolism (VTE) can be the first symptom of an occult malignancy in an otherwise healthy individual. The levels of laboratory markers of activation of blood coagulation parallel the development of malignancy, being the coagulant mechanisms important for both thrombogenesis and tumor progression. Besides general clinical risk factors for VTE, also disease-specific clinical factors, i.e., type and stage of the tumor, and anticancer therapies increase the thrombotic risk in these patients. Furthermore, biological factors, including the cancer cell-specific prothrombotic properties together with the host cell inflammatory response to the tumor, are relevant as well as unique players in the pathogenesis of the cancer-associated hypercoagulability. Cancer cells produce and release procoagulant and fibrinolytic proteins, inflammatory cytokines, and procoagulant microparticles. They also express adhesion molecules binding to the receptors of host vascular cells (i.e., endothelial cells, platelets, and leukocytes), thereby stimulating the prothrombotic properties of these normal cells, including the shed of cell-specific microparticles and neutrophil extracellular traps. Of interest, several genes responsible for the cellular neoplastic transformation drive the programs of hemostatic properties expressed by cancer tissues. A better understanding of such mechanisms will help the development of novel strategies to prevent and treat the Trousseau's syndrome (i.e., cancer-associated thrombosis).
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PMID:Pathophysiology 1. Mechanisms of Thrombosis in Cancer Patients. 3131 78