NDLI: Altered expression profile of BAFF receptors on peripheral blood B lymphocytes in Graves’ disease

Content Provider	Springer Nature : BioMed Central
Author	Wang, Xin Huang, Jinhui Zhang, Aixia Fang, Chen Ma, Qi Jiang, Pengjun
Abstract	Background B lymphocyte activating factor (BAFF) is a growth factor regulating B lymphocytes survival and maturation. Serum BAFF levels were elevated in patients affected with autoimmune thyroid diseases (AITD), including Graves’ disease (GD) and Hashimoto’s thyroiditis (HT). The aim of this study is to explore the association of expression levels of BAFF and its receptors with AITD. Methods Fifty-two GD patients, 39 Hashimoto’s thyroiditis (HT) patients and 23 healthy controls (HC) were recruited in this study. Serum BAFF levels were measured by ELISA. Expression of BAFF receptors, including BAFF receptor 3 (BR3) and transmembrane activator and calcium-modulating and cyclophilin ligand interactor (TACI), on B lymphocytes were analyzed by flowcytometry. Effects of steroids on serum BAFF levels and expression of BR3 and TACI were also observed in 10 patients with Graves’ orbitopathy (GO) receiving steroids therapy. Results Serum BAFF levels were significantly elevated from 0.93 ± 0.24 ng/ml in HC to 1.18 ± 0.33 ng/ml in GD (P = 0.0027) and 1.02 ± 0.24 ng/ml in HT (P = 0.0331). BR3 expression on peripheral B lymphocytes were elevated in GD (mean MFI: 4.52 ± 2.06 in GD vs. 3.00 ± 0.87 in HC, P = 0.0015), while TACI expression on peripheral B lymphocytes were decreased in GD without significance (mean MFI: 7.96 ± 4.06 in GD vs. 9.10 ± 3.37 in HC, P = 0.1285). Expression of BR3 and TACI was not changed significantly in HT patients. Steroids significantly suppressed serum BAFF concentrations (from 1.18 ± 0.27 ng/ml to 0.97 ± 0.10 ng/ml, P = 0.0364) and BR3 expression in GO patients (mean MFI from 6.26 ± 4.91 to 4.05 ± 1.58, P = 0.0083). Conclusions Altered expression of BAFF and its receptor may mediate the autoimmunity in GD. Restoring the normal expression profile of receptors for BAFF could be a new strategy to treat GD.
Related Links	https://bmcendocrdisord.biomedcentral.com/counter/pdf/10.1186/s12902-021-00752-3.pdf
Ending Page	6
Page Count	6
Starting Page	1
File Format	HTM / HTML
ISSN	14726823
DOI	10.1186/s12902-021-00752-3
Journal	BMC Endocrine Disorders
Issue Number	1
Volume Number	21
Language	English
Publisher	BioMed Central
Publisher Date	2021-04-29
Access Restriction	Open
Subject Keyword	Endocrinology Metabolic Diseases Diabetes Andrology Graves’ disease Hashimoto’s thyroiditis BAFF BR3 TACI
Content Type	Text
Resource Type	Article
Subject	Endocrinology, Diabetes and Metabolism
Journal Impact Factor	2.8/2023
5-Year Journal Impact Factor	3.1/2023

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