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ArticleInflammation research : official journal of the European Histamine Research Society ... [et al.]2026

MICA gene modulates immune microenvironment and comorbid mechanisms in diffuse large B-cell lymphoma and primary Sjögren's syndrome.

Hancheng Qin, Kuai Yu, Xuefei Deng, Tiantian Sun, Yaqun Wang, Mei Xie, Xiaojun Xu, Yunxin Zeng, Wei Xiao

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Article in Inflammation research : official journal of the European Histamine Research Society ... [et al.], 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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9 authors.

Hancheng Qin *Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, 628 Zhenyuan Road, Guangming District, Shenzhen, 518107, Guangdong Province, China.
Kuai Yu *Department of Transfusion Medicine, Key Laboratory of Jiangxi Province for Transfusion Medicine, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, 330209, China.
Xuefei Deng *Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, 628 Zhenyuan Road, Guangming District, Shenzhen, 518107, Guangdong Province, China.
Tiantian SunDepartment of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, 628 Zhenyuan Road, Guangming District, Shenzhen, 518107, Guangdong Province, China.
Yaqun WangDepartment of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, 628 Zhenyuan Road, Guangming District, Shenzhen, 518107, Guangdong Province, China.
Mei XieDepartment of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, 628 Zhenyuan Road, Guangming District, Shenzhen, 518107, Guangdong Province, China.
Xiaojun XuDepartment of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, 628 Zhenyuan Road, Guangming District, Shenzhen, 518107, Guangdong Province, China. xuxj29@mail.sysu.edu.cn.
Yunxin ZengDepartment of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, 628 Zhenyuan Road, Guangming District, Shenzhen, 518107, Guangdong Province, China. zengyunxin@sysush.com.
Wei XiaoDepartment of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, 628 Zhenyuan Road, Guangming District, Shenzhen, 518107, Guangdong Province, China. xiaowei@sysush.com.

Funding

National Scientific Foundation of China No. 82102899, No. 82200179, and No. 32100729Sanming Project of Medicine in Shenzhen (No. SZSM201911004Science and Technology Innovation Base Plan of Jiangxi Province-Key Laboratory of Jiangxi Province for Transfusion Medicine No. 2024SSY06171Shenzhen Science and Technology Plan Basic Research Project No. JCYJ20220530144812029 and No. JCYJ20190809172403604
6 · The paper itself

Abstract

objectiveTo identify shared molecular mechanisms and crosstalk genes (CGs) between diffuse large B-cell lymphoma (DLBCL) and primary Sjögren's syndrome (PSS), and to explore the role of MICA in the immune microenvironment (IME).

methodsBioinformatics analysis of GEO datasets identified differentially expressed genes (DEGs). Enrichment, immune infiltration, and Mendelian randomization analyses were performed. Diagnostic biomarkers were screened using Lasso regression. Functional roles of MICA were validated in SUDHL-6 cells via overexpression/knockdown, assessing immune cell infiltration, cytokine secretion, proliferation, and apoptosis.

resultsWe identified 50 shared DEGs. RPL31, HNMT, and IFI27 were defined as diagnostic biomarkers. MR analysis confirmed a causal effect of PSS on DLBCL risk. MICA interacted with RPL31 and HNMT. MICA overexpression enhanced CD8

conclusionMICA plays a key role in shaping the immune microenvironment of DLBCL and PSS. By reinforcing anti-tumor immune responses and limiting tumor growth, it emerges as a promising biomarker and therapeutic target in both diseases.

Indexed as

Histocompatibility Antigens Class ILymphoma, Large B-Cell, DiffuseSjogren's SyndromeAnimalsApoptosisCell Line, TumorCell ProliferationCytokinesHumansTumor MicroenvironmentCytokinesHistocompatibility Antigens Class IMHC class I-related chain ABiomarkerComorbid mechanismsDiffuse large B-cell lymphomaImmune microenvironmentMICAPrimary Sjögren's syndrome

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.