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B-Cell NHL Subtype Risk Associated with Autoimmune Conditions and PRS
Journal article   Open access   Peer reviewed

B-Cell NHL Subtype Risk Associated with Autoimmune Conditions and PRS

Sophia S Wang, Claire M Vajdic, Martha S Linet, Susan L Slager, Jenna Voutsinas, Alexandra Nieters, Delphine Casabonne, James R Cerhan, Wendy Cozen, Graciela Alarcón, …
Cancer epidemiology, biomarkers & prevention, v 31(5), pp 1103-1110
04 May 2022
PMID: 35244686
url
https://doi.org/10.1158/1055-9965.epi-21-0875View
Published, Version of Record (VoR)CC BY-NC-ND V4.0 Open
url
https://doi.org/10.1158/1055-9965.EPI-21-0875View
Published, Version of Record (VoR) Open

Abstract

Autoimmune Diseases - epidemiology Autoimmune Diseases - genetics B-Lymphocytes Case-Control Studies Genome-Wide Association Study Humans Lymphoma, Follicular - epidemiology Lymphoma, Follicular - genetics Lymphoma, Large B-Cell, Diffuse - epidemiology Lymphoma, Large B-Cell, Diffuse - genetics
A previous International Lymphoma Epidemiology (InterLymph) Consortium evaluation of joint associations between five immune gene variants and autoimmune conditions reported interactions between B-cell response-mediated autoimmune conditions and the rs1800629 genotype on risk of B-cell non-Hodgkin lymphoma (NHL) subtypes. Here, we extend that evaluation using NHL subtype-specific polygenic risk scores (PRS) constructed from loci identified in genome-wide association studies of three common B-cell NHL subtypes. In a pooled analysis of NHL cases and controls of Caucasian descent from 14 participating InterLymph studies, we evaluated joint associations between B-cell-mediated autoimmune conditions and tertile (T) of PRS for risk of diffuse large B-cell lymphoma (DLBCL; n = 1,914), follicular lymphoma (n = 1,733), and marginal zone lymphoma (MZL; n = 407), using unconditional logistic regression. We demonstrated a positive association of DLBCL PRS with DLBCL risk [T2 vs. T1: OR = 1.24; 95% confidence interval (CI), 1.08-1.43; T3 vs. T1: OR = 1.81; 95% CI, 1.59-2.07; P-trend (Ptrend) < 0.0001]. DLBCL risk also increased with increasing PRS tertile among those with an autoimmune condition, being highest for those with a B-cell-mediated autoimmune condition and a T3 PRS [OR = 6.46 vs. no autoimmune condition and a T1 PRS, Ptrend < 0.0001, P-interaction (Pinteraction) = 0.49]. Follicular lymphoma and MZL risk demonstrated no evidence of joint associations or significant Pinteraction. Our results suggest that PRS constructed from currently known subtype-specific loci may not necessarily capture biological pathways shared with autoimmune conditions. Targeted genetic (PRS) screening among population subsets with autoimmune conditions may offer opportunities for identifying those at highest risk for (and early detection from) DLBCL.

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Domestic collaboration
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Web of Science research areas
Oncology
Public, Environmental & Occupational Health
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