Deciphering the genetics and mechanisms of predisposition to multiple myeloma

Multiple myeloma (MM) is an incurable malignancy of plasma cells. Epidemiological studies indicate a substantial heritable component, but the underlying mechanisms remain unclear. Here, in a genome-wide association study totaling 10,906 cases and 366,221 controls, we identify 35 MM risk loci, 12 of which are novel. Through functional fine-mapping and Mendelian randomization, we uncover two causal mechanisms for inherited MM risk: longer telomeres; and elevated levels of B-cell maturation antigen (BCMA) and interleukin-5 receptor alpha (IL5RA) in plasma. The largest increase in BCMA and IL5RA levels is mediated by the risk variant rs34562254-A at TNFRSF13B. While individuals with loss-of-function variants in TNFRSF13B develop B-cell immunodeficiency, rs34562254-A exerts a gain-of-function effect, increasing MM risk through amplified B-cell responses. Our results represent an analysis of genetic MM predisposition, highlighting causal mechanisms contributing to MM development.

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Publication Details

Journal
Nature Communications
Published
2024-08-05
DOI
https://doi.org/10.1038/s41467-024-50932-7
Citations
21
Primary Topic
Multiple Myeloma Research and Treatments
Type
article
Field-Weighted Citation Impact
9.54

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article

Deciphering the genetics and mechanisms of predisposition to multiple myeloma

Gísli H. Halldórsson, Sigurður Y. Kristinsson, Maroulio Pertesi, Pieter Sonneveld et al.
21 citations
Nature Communications
Multiple Myeloma Research and Treatments
9.54
article

Deciphering the genetics and mechanisms of predisposition to multiple myeloma

Gísli H. Halldórsson, Sigurður Y. Kristinsson, Maroulio Pertesi, Pieter Sonneveld, Zain Ali, Pavel Vodička, Hauke Thomsen, Grímur Hjörleifsson Eldjárn, Lilja Stefánsdóttir, Asta Försti, Kāri Stefánsson, Nerea Ugidos-Damboriena, Richard S. Houlston, Guðmar Þorleifsson, Antton Lamarca Arrizabalaga, Aitzkoa Lopez de Lapuente Portilla, Abhishek Niroula, Malte Thodberg, Ulf‐Henrik Mellqvist, Carolina Schinke, Ram Ajore, Simon Stacey, Caterina Cafaro, Unnur Þorsteinsdóttir, Molly Went, Ingileif Jónsdóttir, Anders Waage, Philip Law, Niels Weinhold, Hartmut Goldschmidt, Florentin Späth, Björn Nilsson, Andrea Gunnell, Ludvig Ekdahl, Amit Sud, Þórunn Rafnar, Patrick Sulem, Thorunn A. Olafsdottir, Egil Ferkingstad, Sæmundur Rögnvaldsson, Annette Juul Vangsted, U. Pettersson, Martin Kaiser, Markus Hansson, Þorvarður Jón Löve, Laura Duran-Lozano, Frits van Rhee, Kari Hemminki, Roman Hájek, Gareth J. Morgan
article en
21 citations

Abstract

Multiple myeloma (MM) is an incurable malignancy of plasma cells. Epidemiological studies indicate a substantial heritable component, but the underlying mechanisms remain unclear. Here, in a genome-wide association study totaling 10,906 cases and 366,221 controls, we identify 35 MM risk loci, 12 of which are novel. Through functional fine-mapping and Mendelian randomization, we uncover two causal mechanisms for inherited MM risk: longer telomeres; and elevated levels of B-cell maturation antigen (BCMA) and interleukin-5 receptor alpha (IL5RA) in plasma. The largest increase in BCMA and IL5RA levels is mediated by the risk variant rs34562254-A at TNFRSF13B. While individuals with loss-of-function variants in TNFRSF13B develop B-cell immunodeficiency, rs34562254-A exerts a gain-of-function effect, increasing MM risk through amplified B-cell responses. Our results represent an analysis of genetic MM predisposition, highlighting causal mechanisms contributing to MM development.

Nature CommunicationsVol. 15(1)
Broad Institute (US), deCODE Genetics (Iceland) (IS), Institute of Cancer Research (GB), University of Iceland (IS), German Cancer Research Center (DE), University of Ostrava (CZ), Lund University (SE), Norwegian University of Science and Technology (NO), Charles University (CZ), Heidelberg University (DE), Sahlgrenska University Hospital (SE), Rigshospitalet (DK), NYU Langone Health (US), University Hospital Ostrava (CZ), MSB Medical School Berlin (DE), National University Hospital of Iceland (IS), Södra Älvsborg Hospital (SE), Hopp Children's Cancer Center Heidelberg (DE), Czech Academy of Sciences, Institute of Experimental Medicine (CZ), Skåne University Hospital (SE), Erasmus MC Cancer Institute (NL), University of Arkansas for Medical Sciences (US), Umeå University (SE)
Cancer Research UK, European Commission, Cancerfonden, Lunds Universitet, Vetenskapsrådet
Good health and well-being
Openalex Percentile: Top 2%
Multiple Myeloma Research and Treatments
9.54
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