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Galatà, G.* ; García-Montero, A.C.* ; Kristensen, T.* ; Dawoud, A.A.Z.* ; Muñoz-González, J.I.* ; Meggendorfer, M.* ; Guglielmelli, P.* ; Hoade, Y.* ; Alvarez-Twose, I.* ; Gieger, C. ; Strauch, K. ; Ferrucci, L.* ; Tanaka, T.* ; Bandinelli, S.* ; Schnurr, T.M.* ; Haferlach, T.* ; Broesby-Olsen, S.* ; Vestergaard, H.* ; Møller, M.B.* ; Bindslev-Jensen, C.* ; Vannucchi, A.M.* ; Orfao, A.* ; Radia, D.* ; Reiter, A.* ; Chase, A.J.* ; Cross, N.C.P.* ; Tapper, W.J.*

Genome-wide association study identifies novel susceptibility loci for KIT D816V positive mastocytosis.

Am. J. Hum. Genet. 108, 284-294 (2021)
Postprint DOI PMC
Open Access Green
Mastocytosis is a rare myeloid neoplasm characterized by uncontrolled expansion of mast cells, driven in >80% of affected individuals by acquisition of the KIT D816V mutation. To explore the hypothesis that inherited variation predisposes to mastocytosis, we performed a two-stage genome-wide association study, analyzing 1,035 individuals with KIT D816V positive disease and 17,960 healthy control individuals from five European populations. After quality control, we tested 592,007 SNPs at stage 1 and 75 SNPs at stage 2 for association by using logistic regression and performed a fixed effects meta-analysis to combine evidence across the two stages. From the meta-analysis, we identified three intergenic SNPs associated with mastocytosis that achieved genome-wide significance without heterogeneity between cohorts: rs4616402 (pmeta = 1.37 × 10−15, OR = 1.52), rs4662380 (pmeta = 2.11 × 10−12, OR = 1.46), and rs13077541 (pmeta = 2.10 × 10−9, OR = 1.33). Expression quantitative trait analyses demonstrated that rs4616402 is associated with the expression of CEBPA (peQTL = 2.3 × 10−14), a gene encoding a transcription factor known to play a critical role in myelopoiesis. The role of the other two SNPs is less clear: rs4662380 is associated with expression of the long non-coding RNA gene TEX41 (peQTL = 2.55 × 10−11), whereas rs13077541 is associated with the expression of TBL1XR1, which encodes transducin (β)-like 1 X-linked receptor 1 (peQTL = 5.70 × 10−8). In individuals with available data and non-advanced disease, rs4616402 was associated with age at presentation (p = 0.009; beta = 4.41; n = 422). Additional focused analysis identified suggestive associations between mastocytosis and genetic variation at TERT, TPSAB1/TPSB2, and IL13. These findings demonstrate that multiple germline variants predispose to KIT D816V positive mastocytosis and provide novel avenues for functional investigation.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Cebpa ; D816v ; Kit ; Mastocytosis ; Myeloid Cancer ; Tbl1xr1 ; Tert; Acute Myeloid-leukemia; C/ebp-alpha; Allele Burden; Disease; Expression; Variants; Annotation; Mutation; Classification; Polymorphisms
Sprache englisch
Veröffentlichungsjahr 2021
HGF-Berichtsjahr 2021
ISSN (print) / ISBN 0002-9297
e-ISSN 1537-6605
Zeitschrift American Journal of Human Genetics, The
Quellenangaben Band: 108, Heft: 2, Seiten: 284-294 Artikelnummer: , Supplement: ,
Verlag Elsevier
Verlagsort New York, NY
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Epidemiology (EPI)
Institute of Genetic Epidemiology (IGE)
POF Topic(s) 30202 - Environmental Health
30501 - Systemic Analysis of Genetic and Environmental Factors that Impact Health
Forschungsfeld(er) Genetics and Epidemiology
PSP-Element(e) G-504091-004
G-504100-001
Förderungen Helmholtz Zentrum Munchen-German Research Center for Environmental Health
German Federal Ministry of Education and Research (BMBF)
State of Bavaria
Munich Center of Health Sciences (MC-Health), Ludwig-Maximilians-Universitat, as part of LMUinnovativ
Italian Ministry of Health
U.S. National Institute on Aging
Instituto de Salud Carlos III
FEDER
Associazione Italiana per la Ricerca sul cancro, Mynerva project
Novo Nordisk Foundation
Lady Tata International Award
Blood Cancer UK
Wellcome Trust
DOI 10.1016/j.ajhg.2020.12.007
WOS ID WOS:000629135400008
Scopus ID 85099678562
PubMed ID 33421400
Erfassungsdatum 2021-02-08
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