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Association between TLR9 rs5743836 polymorphism and risk of recurrent venous thromboembolism
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- Ahmad, Abrar (author)
- Lund University,Lunds universitet,Allmänmedicin och klinisk epidemiologi,Forskargrupper vid Lunds universitet,Family Medicine and Clinical Epidemiology,Lund University Research Groups,Skåne University Hospital
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- Sundquist, Kristina (author)
- Lund University,Lunds universitet,Allmänmedicin, kardiovaskulär epidemiologi och levnadsvanor,Forskargrupper vid Lunds universitet,Family Medicine, Cardiovascular Epidemiology and Lifestyle,Lund University Research Groups,Skåne University Hospital
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- Zöller, Bengt (author)
- Lund University,Lunds universitet,Allmänmedicin och klinisk epidemiologi,Forskargrupper vid Lunds universitet,Family Medicine and Clinical Epidemiology,Lund University Research Groups,Skåne University Hospital
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- Svensson, Peter J (author)
- Lund University,Lunds universitet,Klinisk koagulationsmedicin, Malmö,Forskargrupper vid Lunds universitet,Clinical Coagulation, Malmö,Lund University Research Groups,Skåne University Hospital
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- Sundquist, Jan (author)
- Lund University,Lunds universitet,Allmänmedicin och klinisk epidemiologi,Forskargrupper vid Lunds universitet,Family Medicine and Clinical Epidemiology,Lund University Research Groups,Skåne University Hospital
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- Memon, Ashfaque A (author)
- Lund University,Lunds universitet,Allmänmedicin och klinisk epidemiologi,Forskargrupper vid Lunds universitet,Family Medicine and Clinical Epidemiology,Lund University Research Groups,Skåne University Hospital
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(creator_code:org_t)
- 2017-03-20
- 2017
- English.
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In: Journal of Thrombosis and Thrombolysis. - : Springer Science and Business Media LLC. - 1573-742X .- 0929-5305. ; 44:1, s. 130-138
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Abstract
Subject headings
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- Recent gene knockout studies on mice have shown the role of toll-like receptor 9 (TLR9) in resolution of venous thromboembolism (VTE) through sterile inflammation. However, the role of a putative functional TLR9 polymorphism (rs5743836) in risk assessment of VTE recurrence remains unknown. The aim of our study was to investigate the TLR9 rs5743836 polymorphism in VTE patients and its association with the risk of VTE recurrence. We analyzed TLR9 rs5743836 polymorphism in Malmö thrombophilia study patients; a prospective follow-up study of 1465 VTE patients by Taqman PCR. From a total of 1465 VTE patients, those who had VTE before inclusion and those who died or had VTE recurrence during anticoagulant treatment were excluded (n = 415). Cox regression analyses were performed on the remaining 1050 VTE patients, including 126 (12.5%) patients that had recurrent VTE during follow-up period. TLR9 polymorphism was significantly associated with higher risk of VTE recurrence in female patients (HR 3.46, 95% CI 1.06-11.33) independent of acquired risk factors for VTE, family history, risk of thrombophilia and deep vein thrombosis (DVT) location. Similarly, in unprovoked VTE patients, TLR9 polymorphism was significantly associated with higher risk of VTE recurrence in female patients (HR 5.94, 95% CI 1.25-28.13) after adjusting for family history, risk of thrombophilia and DVT location. No association between TLR9 polymorphism and risk of VTE recurrence was found in male patients. Our results suggest that TLR9 rs5743836 polymorphism is an independent risk factor for VTE recurrence in female patients but not in males.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine (hsv//eng)
Keyword
- Journal Article
Publication and Content Type
- art (subject category)
- ref (subject category)
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