Abstract
Programmed cell death 1 (PD-1) has recently been reported to have a genetic association in several autoimmune diseases. The object of this study was to investigate the association of PD-1 polymorphisms with aplastic anemia (AA) in the Chinese Han population. In a case–control association study, three single-nucleotide polymorphisms (SNP), PD-1.3 G/A, PD-1.5 C/T, and PD-1.9 T/C, were genotyped in 166 AA patients and 264 healthy controls using polymerase chain reaction-restriction fragment length polymorphism assay. All genotype distributions in the patients and the controls were in Hardy–Weinberg equilibrium. The associations of genotypes and alleles with AA were analyzed. No differences in genotype and allele frequencies were elucidated for SNPs in intron 4 and exon 5. In conclusion, we show no association of selected SNPs in PDCD1 gene with AA in the Chinese Han population.
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Abbreviations
- PD-1:
-
Programmed cell death-1
- SNP:
-
Single-nucleotide polymorphism
- AA:
-
Aplastic anemia
- OR:
-
Odds ratio
- CI:
-
Confidence interval
- RA:
-
Rheumatoid arthritis
- SLE:
-
Systemic lupus erythematosus
- AS:
-
Ankylosing spondylitis
- MS:
-
Multiple sclerosis
- PCR:
-
Polymerase chain reaction
- RFLP:
-
Restriction fragment length polymorphism
- RE:
-
Restriction enzymes
- ITIM:
-
Immunoreceptor tyrosine-based inhibitory motif
- ITSM:
-
Immunoreceptor tyrosine-based swith motif
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Acknowledgments
This work was supported by the grant from the National Important Science Foundation of Science and Technology Ministry of China (2009ZX09103-705), Medical Development Foundation of Soochow University (EE132030), and the Doctoral Program Fund of Soochow University (No. 13132743). We thank Dr. Gordon Leitch for editing the manuscript.
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Z. J. Ming and H. Hui contributed equally to this paper.
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Ming, Z.J., Hui, H., Miao, M. et al. Polymorphisms in PDCD1 gene are not associated with aplastic anemia in Chinese Han population. Rheumatol Int 32, 3107–3112 (2012). https://doi.org/10.1007/s00296-011-2127-0
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DOI: https://doi.org/10.1007/s00296-011-2127-0