Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz

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Gräf, S; Haimel, M; Bleda, M; Hadinnapola, C; Southgate, L; Li, W; Hodgson, J; Liu, B; Salmon, RM; Southwood, M; Machado, RD; Martin, JM; Treacy, CM; Yates, K; Daugherty, LC; Shamardina, O; Whitehorn, D; Holden, S; Aldred, M; Bogaard, HJ; Church, C; Coghlan, G; Condliffe, R; Corris, PA; Danesino, C; Eyries, M; Gall, H; Ghio, S; Ghofrani, HA; Gibbs, JSR; Girerd, B; Houweling, AC; Howard, L; Humbert, M; Kiely, DG; Kovacs, G; MacKenzie Ross, RV; Moledina, S; Montani, D; Newnham, M; Olschewski, A; Olschewski, H; Peacock, AJ; Pepke-Zaba, J; Prokopenko, I; Rhodes, CJ; Scelsi, L; Seeger, W; Soubrier, F; Stein, DF; Suntharalingam, J; Swietlik, EM; Toshner, MR; van Heel, DA; Vonk Noordegraaf, A; Waisfisz, Q; Wharton, J; Wort, SJ; Ouwehand, WH; Soranzo, N; Lawrie, A; Upton, PD; Wilkins, MR; Trembath, RC; Morrell, NW.
Identification of rare sequence variation underlying heritable pulmonary arterial hypertension.
Nat Commun. 2018; 9(1): 1416-1416. [OPEN ACCESS]
Web of Science PubMed PUBMED Central FullText FullText_MUG

 

Autor/innen der Med Uni Graz:
Kovacs Gabor
Olschewski Andrea
Olschewski Horst
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Abstract:
Pulmonary arterial hypertension (PAH) is a rare disorder with a poor prognosis. Deleterious variation within components of the transforming growth factor-β pathway, particularly the bone morphogenetic protein type 2 receptor (BMPR2), underlies most heritable forms of PAH. To identify the missing heritability we perform whole-genome sequencing in 1038 PAH index cases and 6385 PAH-negative control subjects. Case-control analyses reveal significant overrepresentation of rare variants in ATP13A3, AQP1 and SOX17, and provide independent validation of a critical role for GDF2 in PAH. We demonstrate familial segregation of mutations in SOX17 and AQP1 with PAH. Mutations in GDF2, encoding a BMPR2 ligand, lead to reduced secretion from transfected cells. In addition, we identify pathogenic mutations in the majority of previously reported PAH genes, and provide evidence for further putative genes. Taken together these findings contribute new insights into the molecular basis of PAH and indicate unexplored pathways for therapeutic intervention.

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