Variant Gene Risk Allele Score vda Association Type Original DB Sentence supporting the association PMID PMID Year
dbSNP: rs10842262
rs10842262
0.700 GeneticVariation GWASCAT A genome-wide association study in Chinese men identifies three risk loci for non-obstructive azoospermia. 22197933

2011

dbSNP: rs12097821
rs12097821
0.700 GeneticVariation GWASCAT A genome-wide association study in Chinese men identifies three risk loci for non-obstructive azoospermia. 22197933

2011

dbSNP: rs2477686
rs2477686
0.700 GeneticVariation GWASCAT A genome-wide association study in Chinese men identifies three risk loci for non-obstructive azoospermia. 22197933

2011

dbSNP: rs6080550
rs6080550
0.700 GeneticVariation GWASCAT A genome-wide association study in Chinese men identifies three risk loci for non-obstructive azoospermia. 22197933

2011

dbSNP: rs1217691063
rs1217691063
0.050 GeneticVariation BEFREE Meta-analysis revealed an association by use of fixed-effects model of MTHFR C677T with the risk of azoospermia. 24268703

2014

dbSNP: rs1217691063
rs1217691063
0.050 GeneticVariation BEFREE Our meta-analysis showed that the MTHFR C677T mutation was a risk factor for male infertility in both azoospermia and oligoasthenoteratozoospermia patients, especially in Asian population. 26549413

2015

dbSNP: rs1217691063
rs1217691063
0.050 GeneticVariation BEFREE Influence of methylenetetrahydrofolate reductase C677T gene polymorphisms in Algerian infertile men with azoospermia or severe oligozoospermia. 22928696

2012

dbSNP: rs1217691063
rs1217691063
0.050 GeneticVariation BEFREE Single nucleotide polymorphism C677T in the methylenetetrahydrofolate reductase gene might be a genetic risk factor for infertility for Chinese men with azoospermia or severe oligozoospermia. 16888682

2007

dbSNP: rs1217691063
rs1217691063
0.050 GeneticVariation BEFREE In conclusion, this meta-analysis is in favor that the MTHFR C677T polymorphism is capable of causing male infertility susceptibility, especially in Asians and the subgroup of azoospermia. 26584688

2016

dbSNP: rs12870438
rs12870438
0.020 GeneticVariation BEFREE The association between rs7174015 and oligozoospermia under a dominant model and between rs12870438 and azoospermia under additive and recessive models remained after correction for multiple testing. 25908656

2015

dbSNP: rs12870438
rs12870438
0.020 GeneticVariation BEFREE Of these, three SNPs (rs7867029, rs7174015, and rs12870438) were found to be significantly associated with the risk of azoospermia and/or oligozoospermia in a Japanese population. 28975488

2018

dbSNP: rs1799983
rs1799983
0.020 GeneticVariation BEFREE In this study, the polymorphic distributions of three common polymorphism loci including T-786C, 4A4B and G894T in eNOS gene were investigated in 355 Chinese infertile patients with azoospermia or oligozoospermia and 246 healthy fertile men and a meta-analysis was carried in order to explore the possible relationship between the three loci of eNOS gene and male infertility with spermatogenesis impairment. 23756085

2013

dbSNP: rs1799983
rs1799983
0.020 GeneticVariation BEFREE The aim of this study was to assess the possible association of three genetic variants (rs2070744, rs1799983 and intron variant 4a/4b) in NOS3 gene and infertility occurrence in two groups of infertile men (idiopathic azoospermia and oligoasthenozoospermia) and fertile controls. 28466478

2018

dbSNP: rs2075789
rs2075789
0.020 GeneticVariation BEFREE One intronic SNP in MLH1 (rs4647269) and two non-synonymous SNPs in PMS2 (rs1059060, Ser775Asn) and MSH5 (rs2075789, Pro29Ser) seem to be risk factors for the development of azoospermia or oligozoospermia. 22594646

2012

dbSNP: rs2075789
rs2075789
0.020 GeneticVariation BEFREE The role of MSH5 C85T and MLH3 C2531T polymorphisms in the risk of male infertility with azoospermia or severe oligozoospermia. 19808033

2010

dbSNP: rs25487
rs25487
0.020 GeneticVariation BEFREE In a selected Chinese population, AA genotype of Arg399Gln appears to contribute to a decreased risk of idiopathic azoospermia, while we have not any evidence of involvement of XRCC1 T-77C and Arg194Trp polymorphisms in idiopathic azoospermia. 17968463

2007

dbSNP: rs25487
rs25487
0.020 GeneticVariation BEFREE In conclusion, the SNP locus rs25487 of XRCC1 could be a marker for genetic susceptibility to idiopathic azoospermia and the A allele might be a risk gene of idiopathic azoospermia in the northern Chinese Han population. 22868082

2012

dbSNP: rs397507444
rs397507444
0.020 GeneticVariation BEFREE Pooled estimate on c.1298A>C data from all published studies including our data showed no association of this polymorphism with male infertility (Odds ratio = 1.035, P = 0.56), azoospermia (Odds ratio = 0.97, P = 0.74), or oligoasthenoteratozoospermia (Odds ratio = 0.92, p = 0.29). 23874907

2013

dbSNP: rs397507444
rs397507444
0.020 GeneticVariation BEFREE In conclusion, this meta-analysis supports that the MTHFR A1298C polymorphism is capable of causing male infertility susceptibility, especially azoospermia. 22175540

2012

dbSNP: rs7174015
rs7174015
0.020 GeneticVariation BEFREE Of these, three SNPs (rs7867029, rs7174015, and rs12870438) were found to be significantly associated with the risk of azoospermia and/or oligozoospermia in a Japanese population. 28975488

2018

dbSNP: rs7174015
rs7174015
0.020 GeneticVariation BEFREE The association between rs7174015 and oligozoospermia under a dominant model and between rs12870438 and azoospermia under additive and recessive models remained after correction for multiple testing. 25908656

2015

dbSNP: rs10129954
rs10129954
0.010 GeneticVariation BEFREE Also, a statistically significant association between rs10129954 and azoospermia, and oligozoospermia was observed. 28975488

2018

dbSNP: rs10269148
rs10269148
0.010 GeneticVariation BEFREE The genetic variant rs10269148 of STRA8 gene showed higher risk of spermatogenic impairment in the groups of abnormospermia (including azoospermia subgroup and oligozoospermia subgroup) and azoospermia than the controls with odds ratios and 95% confidence intervals of 2.52 (1.29-4.94) and 2.92 (1.41-6.06), respectively (P = 0.006, 0.002 respective). 23320086

2013

dbSNP: rs1059060
rs1059060
0.010 GeneticVariation BEFREE One intronic SNP in MLH1 (rs4647269) and two non-synonymous SNPs in PMS2 (rs1059060, Ser775Asn) and MSH5 (rs2075789, Pro29Ser) seem to be risk factors for the development of azoospermia or oligozoospermia. 22594646

2012

dbSNP: rs11204546
rs11204546
0.010 GeneticVariation BEFREE Clinically, the SNPs (rs11204546 of OR2W3 and rs11677854 of GTF2A1L ) might be additional valuable molecular predictive markers for assessing the treatment of NOA patients. 25374392

2015