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Gallego-Fabrega, C.* ; Temprano-Sagrera, G.* ; Cárcel-Márquez, J.* ; Muiño, E.* ; Cullell, N.* ; Lledós, M.* ; Llucià-Carol, L.* ; Martin-Campos, J.M.* ; Sobrino, T.* ; Castillo, J.* ; Millán, M.* ; Muñoz-Narbona, L.* ; López-Cancio, E.* ; Ribó, M.* ; Alvarez-Sabin, J.* ; Jiménez-Conde, J.* ; Roquer, J.* ; Tur, S.* ; Obach, V.* ; Arenillas, J.F.* ; Segura, T.* ; Serrano-Heras, G.* ; Martí-Fàbregas, J.* ; Freijo-Guerrero, M.* ; Moniche, F.* ; Castellanos, M.D.M.* ; Morrison, A.C.* ; Smith, N.L.* ; de Vries, P.S.* ; Fernandez-Cadenas, I.* ; Sabater-Lleal, M.* ; Cohorts for Heart and Aging Research in Genomic Epidemiology Consortium (Peters, A.) ; Cohorts for Heart and Aging Research in Genomic Epidemiology Consortium (Müller-Nurasyid, M.)

A multitrait genetic study of hemostatic factors and hemorrhagic transformation after stroke treatment.

J. Thromb. Haemost. 22, 936-950 (2024)
Postprint DOI PMC
Open Access Gold (Paid Option)
Creative Commons Lizenzvertrag
BACKGROUND: Thrombolytic recombinant tissue plasminogen activator (r-tPA) treatment is the only pharmacologic intervention available in the ischemic stroke acute phase. This treatment is associated with an increased risk of intracerebral hemorrhages, known as hemorrhagic transformations (HTs), which worsen the patient's prognosis. OBJECTIVES: To investigate the association between genetically determined natural hemostatic factors' levels and increased risk of HT after r-tPA treatment. METHODS: Using data from genome-wide association studies on the risk of HT after r-tPA treatment and data on 7 hemostatic factors (factor [F]VII, FVIII, von Willebrand factor [VWF], FXI, fibrinogen, plasminogen activator inhibitor-1, and tissue plasminogen activator), we performed local and global genetic correlation estimation multitrait analyses and colocalization and 2-sample Mendelian randomization analyses between hemostatic factors and HT. RESULTS: Local correlations identified a genomic region on chromosome 16 with shared covariance: fibrinogen-HT, P = 2.45 × 10-11. Multitrait analysis between fibrinogen-HT revealed 3 loci that simultaneously regulate circulating levels of fibrinogen and risk of HT: rs56026866 (PLXND1), P = 8.80 × 10-10; rs1421067 (CHD9), P = 1.81 × 10-14; and rs34780449, near ROBO1 gene, P = 1.64 × 10-8. Multitrait analysis between VWF-HT showed a novel common association regulating VWF and risk of HT after r-tPA at rs10942300 (ZNF366), P = 1.81 × 10-14. Mendelian randomization analysis did not find significant causal associations, although a nominal association was observed for FXI-HT (inverse-variance weighted estimate [SE], 0.07 [-0.29 to 0.00]; odds ratio, 0.87; 95% CI, 0.75-1.00; raw P = .05). CONCLUSION: We identified 4 shared loci between hemostatic factors and HT after r-tPA treatment, suggesting common regulatory mechanisms between fibrinogen and VWF levels and HT. Further research to determine a possible mediating effect of fibrinogen on HT risk is needed.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Korrespondenzautor
Schlagwörter Fibrinogen ; Hemorrhagic Transformation ; Hemostatic Factors ; R-tpa Treatment ; Von Willebrand Factor
ISSN (print) / ISBN 1538-7933
e-ISSN 1538-7836
Zeitschrift Journal of Thrombosis and Haemostasis
Quellenangaben Band: 22, Heft: 4, Seiten: 936-950 Artikelnummer: , Supplement: ,
Verlag Wiley
Nichtpatentliteratur Publikationen
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Epidemiology II (EPI2)