Journal
HUMAN IMMUNOLOGY
Volume 73, Issue 1, Pages 118-121Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.humimm.2011.11.007
Keywords
Aplastic anemia; TBX21; STAT4; Polymorphism
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Funding
- National Natural Science Foundation of China [30800495]
- Tianjin Municipal Science and Technology Commission [10JCYBJC13100]
- National Natural Science Foundation of China [30800495]
- Tianjin Municipal Science and Technology Commission [10JCYBJC13100]
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T cell-specific T-box transcription factor gene (TBX21) and signal transducer and activator of transcription 4 (STAT4) have been suggested as 2 candidate genes for conferring susceptibility to autoimmunity. We herein hypothesized that the polymorphisms of TBX21 and STAT4 genes might contribute to the susceptibility of Chinese individuals to aplastic anemia (AA) as T cell-mediated immune disease characterized by hypoplasia and pancytopenia. We investigated the distributions of TBX21 (T-1993C and T-1514C) and STAT4 (rs7574862) polymorphisms in 202 adult patients with AA and 195 healthy controls by polymerase chain reaction-restriction fragment length polymorphism. The frequencies of T-1993C (but not T-1514C) genotype and allele distribution were significantly higher in AA patients than in controls. The T allele (TT + TG genotypes) of STAT4 variant rs7574865 was associated with increased susceptibility of Chinese people to AA. Our results indicated that single nucleotide polymorphisms in TBX21 and STAT4 might contribute to susceptibility to AA in the Chinese population. (C) 2012 American Society for Histocompatibility and Immunogenetics. Published by Elsevier Inc. All rights reserved.
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