Variant Gene Risk Allele Score vda Association Type Original DB Sentence supporting the association PMID PMID Year
dbSNP: rs63750447
rs63750447
0.020 GeneticVariation BEFREE In a search for germline mutations in the DNA mismatch repair genes hMSH2 and hMLH1 in Chinese patients with colorectal cancer we identified a novel missense mutation (V384D) in exon 12 of the hMLH1 gene in 4 out of 26 individuals. 9526167

1998

dbSNP: rs56250509
rs56250509
0.050 GeneticVariation BEFREE Females who were heterozygous or homozygous for the C677T MTHFR polymorphism were at increased risk of developing CIMP+ CRC (odds ratio 2.17, 95% confidence interval 1.03-4.57; p=0.037). 12427779

2002

dbSNP: rs28930073
rs28930073
0.720 GeneticVariation BEFREE Association studies identified a new MLH1 variant (415G-->C, resulting in the amino acid substitution D132H) in approximately 1.3% of Israeli individuals with CRC self-described as Jewish, Christian and Muslim. 15184898

2004

dbSNP: rs1418586322
rs1418586322
0.020 GeneticVariation BEFREE Although rare in the general population, the A636P mutation is detected in up to 7% of Ashkenazi Jewish patients with early age-of-onset colorectal cancer, and may account for up to one third of HNPCC in the Ashkenazi Jewish population. 15516845

2004

dbSNP: rs765480781
rs765480781
0.010 GeneticVariation BEFREE Association studies identified a new MLH1 variant (415G-->C, resulting in the amino acid substitution D132H) in approximately 1.3% of Israeli individuals with CRC self-described as Jewish, Christian and Muslim. 15184898

2004

dbSNP: rs28930073
rs28930073
0.720 GeneticVariation BEFREE The MLH1 D132H risk variant has significantly lower allele frequency in American compared with Israeli cancer patients and, alone, is unlikely to explain significant amounts of American sporadic colorectal cancer or uterine cancer susceptibility. 15991064

2005

dbSNP: rs56250509
rs56250509
0.050 GeneticVariation BEFREE Although the mechanism responsible for the link between the C677T polymorphism and microsatellite instability was not apparent, this finding may provide a clue towards a better understanding of the pathogenesis of microsatellite instability in human colorectal cancer. 16819711

2006

dbSNP: rs876658657
rs876658657
0.080 GeneticVariation BEFREE Among case patients from Ontario, an association between the MLH1 -93G>A polymorphism and a strong family history of colorectal cancer (for Amsterdam criteria I and II, P = .004 and P = .02, respectively) was observed. 17374836

2007

dbSNP: rs1799977
rs1799977
0.050 GeneticVariation BEFREE Four single nucleotide polymorphisms in 3 mismatch repair genes (MSH3 R940Q, MSH3 T1036A, MSH6 G39E and MLH1 I219V) were genotyped in 237 colorectal cancer cases and a subcohort of 2,189 participants. 17205513

2007

dbSNP: rs56250509
rs56250509
0.050 GeneticVariation BEFREE The diversity of the Mediterranean diet and the heterogeneity of acquired epigenetic alterations in colorectal cancer (CRC) led us to examine the possible association between dietary factors and promoter hypermethylation in genes implicated in the pathogenesis of these neoplasms (p16(INK4a), p14(ARF), hMLH1) and the interaction with methylene tetrahydrofolate reductase (MTHFR) C677T polymorphism. 17465256

2007

dbSNP: rs56250509
rs56250509
0.050 GeneticVariation BEFREE When MTHFR C677T genotype frequencies in MSS CRC cases were compared to controls, individuals with homozygous variant genotype were at 19% reduced risk of cancer compared to wild type (OR = 0.81; 95% CI: 0.65-1.02). 17350979

2007

dbSNP: rs1418586322
rs1418586322
0.020 GeneticVariation BEFREE We previously described a founder mutation, MSH2*1906G >C (A636P) that causes HNPCC in 8/1345 (0.59%) of Ashkenazim with colorectal cancer. 17414604

2007

dbSNP: rs756045117
rs756045117
0.020 GeneticVariation BEFREE In conclusion, we have found a strong association between the germline polymorphism (c.-56C>T) of the MGMT promoter and promoter methylation/silencing of MGMT in colorectal cancer. 17621591

2007

dbSNP: rs1466012753
rs1466012753
0.010 GeneticVariation BEFREE In conclusion, we have found a strong association between the germline polymorphism (c.-56C>T) of the MGMT promoter and promoter methylation/silencing of MGMT in colorectal cancer. 17621591

2007

dbSNP: rs876658657
rs876658657
0.080 GeneticVariation BEFREE These findings suggest that the MLH1 -93G>A polymorphism defines a low penetrance risk allele for CRC. 18712731

2008

dbSNP: rs876658657
rs876658657
0.080 GeneticVariation BEFREE The MLH1 -93 G>A promoter polymorphism has been reported to be associated with an increased risk of microsatellite unstable colorectal cancer. 18615680

2008

dbSNP: rs56250509
rs56250509
0.050 GeneticVariation BEFREE Methylenetetrahydrofolate reductase C677T genotype affects promoter methylation of tumor-specific genes in sporadic colorectal cancer through an interaction with folate/vitamin B12 status. 18595133

2008

dbSNP: rs1799977
rs1799977
0.050 GeneticVariation BEFREE In relation to the more frequent 655A-->G polymorphism, association analyses revealed that G carriers (AG or GG genotype) displayed a higher risk of CRC compared with AA homozygous [odds ratio (OR) AG=2.55, 95% confidence interval (CI)=1.48-4.39; P=0.01 and OR GG=2.48, 95% CI=1.20-5.11; P=0.01, respectively]. 19665066

2009

dbSNP: rs1800734
rs1800734
0.090 GeneticVariation BEFREE The observed association of rs1800734 with MSI-H CRC occurs through its effect on the MLH1 promoter methylation, MLH1 IHC deficiency, or both. 20967208

2010

dbSNP: rs63751310
rs63751310
0.010 GeneticVariation BEFREE R659X mutation in the MLH1 gene in hereditary non-polyposis colorectal cancer(HNPCC) in an Indian extended family. 20167975

2010

dbSNP: rs1800734
rs1800734
0.090 GeneticVariation BEFREE We evaluated the significance of rs1800734 on CRC risk by genotyping 10 409 CRC cases and 6965 controls. 21565826

2011

dbSNP: rs876658657
rs876658657
0.080 GeneticVariation BEFREE The -93G > A (rs1800734) polymorphism within the core promoter region of the MutL homolog 1 (MLH1) gene has recently been proposed as a low penetrance variant for colorectal cancer (CRC). 21565826

2011

dbSNP: rs35502531
rs35502531
0.030 GeneticVariation BEFREE We genotyped p.Lys618Ala in 1034 individuals (373 sporadic colorectal cancer [CRC] patients, 250 index subjects from families suspected of having LS [revised Bethesda guidelines] and 411 controls). 21247423

2011

dbSNP: rs1800734
rs1800734
0.090 GeneticVariation BEFREE When candidate SNPs were examined, our data did not support most of the previously reported associations with CRC susceptibility, an exception being an effect of the MLH1 promoter SNP -93G>A (rs1800734). 22294770

2012

dbSNP: rs1800734
rs1800734
0.090 GeneticVariation BEFREE We previously demonstrated that SNPs (rs1800734, rs749072, and rs13098279) in the MLH1 gene region are associated with MLH1 promoter island methylation, loss of MLH1 protein expression, and microsatellite instability (MSI) in colorectal cancer (CRC) patients. 23240038

2012