hu0D2DBE (23andmedata) - GET-Evidence variant report

Variant report for hu0D2DBE (23andmedata)

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VariantClinical
Importance
ImpactAllele
freq
Summary
1RYR2-G1886SHighUncertainUncertain pathogenic

Recessive, Carrier (Heterozygous)
0.0613424Reported to cause arrhythmogenic right ventricular cardiomyopathy when compound heterozygous with G1885E, although this finding is weakened after correcting for multiple hypotheses and it is unclear what penetrance such a genotype might have, if it is causal.1
2COL4A1-Q1334HLowLikelyLikely pathogenic

Dominant, Heterozygous
0.324689This common variant has been associated with arterial stiffness and, in Japanese, a small increased risk of myocardial infarction (MI, a.k.a. heart attack). This last observation supported a dominant effect for this variant and, assuming a lifetime risk of 15% for MI, we estimate carriers have an additional risk of 0.5-3%.1
3MBL2-G54DLowLikelyLikely pathogenic

Recessive, Carrier (Heterozygous)
0.103923This variant is associated with mannose binding protein deficiency which leads to impaired complement system immune response to mannose-rich pathogens. Patients homozygous for this allele or compound heterozygous are likely to have increased susceptibility to infection, but Hellemann et al. report heterosis for intensive care outcomes in heterozygous subjects. The wild-type version of this gene is known as variant allele A, while this is called variant allele B. See R52C (variant D) and G57E (variant C).1
4rs5186LowLikelyLikely pathogenic

Unknown, Homozygous
0.214878This common noncoding genetic variant has an allele frequency of ~30% and is associated with an increased risk of hypertension. If ~25% of non-carriers have hypertension, Bonnardeaux et al's data predict ~4% increased risk of hypertension per copy of this variant. This SNP is in the 3' noncoding region of the AGTR1 transcript (angiotensin II type 1 receptor), also known as AT2R1 or AT1R, which is a target of hypertension drugs.1
5HFE-H63DLowUncertainUncertain pathogenic

Recessive, Homozygous
0.109965There have been some hypotheses that this variant contributes to causing hereditary hemochromatosis, possibly as a compound heterozygote, but some others treat it as a polymorphism. Cys282Tyr is the classic causal variant and itself has very low penetrance. Mouse studies indicates this variant has a similar but weaker effect; if it has any effect at all its penetrance may be quite low and/or require modifier alleles.1
6LRP5-A1330VLowUncertainUncertain pathogenic

Complex/Other, Heterozygous
0.110367In a study of a UK population this variant was associated with a small increased risk of osteoporosis and osteoporotic bone fractures, with each copy of the variant presumed to have an additive effect. A study in Chinese young men failed to find an association with peak bone density. 1
7RNASEL-R462QLowUncertainUncertain pathogenic

Complex/Other, Heterozygous
0.278026Associated with increased risk of prostate cancer in individuals who already have a family history of prostate cancer, but studies have been unable to replicate this finding in sporadic (non-familial) prostate cancer cases.1
8TLR5-R392XLowUncertainUncertain pathogenic

Complex/Other, Heterozygous
0.0439673This variant is believed to impair the ability to generate an immune response to the flagella of the bacteria. It is weakly associated with an increased incidence of Legionnaires' Disease, p = 0.085, increased lifetime risk of disease ~0.88% (about twice average). The variant is also weakly associated with a reduced incidence of systemic lupus erythematosus, p = 0.165.1
9ELAC2-S217LLowUncertainUncertain pathogenic

Complex/Other, Heterozygous
0.273471Reported to be associated with increased susceptibility to prostate cancer, but later studies weaken the hypothesis. Xu et al.'s meta-analysis concludes that there is a small but significant increased risk (OR = 1.13). Assuming a lifetime risk of 16% for prostate cancer we calculate this leads to an increased risk of ~1.5% (17.5% total).1
10BRCA2-N372HLowUncertainUncertain pathogenic

Recessive, Carrier (Heterozygous)
0.23656This is a common variant of BRCA2 (HapMap allele frequency of 23%). The variant is weakly associated with an increased chance of breast cancer, and zygosity of the variant is associated with sex of children: male children are more likely to be homozygous for this variant, female children are more likely to be heterozygous.1
11TP53-P72RLowUncertainUncertain pathogenic

Unknown, Heterozygous
0.627743This is a common variant was first reported as a polymorphism. It has since had mixed associations with cancer: Storey et al. conclude a 7x *increased* risk of HPV cancer for homozygotes vs hets, but Jones et al. find a 1.98x *decreased* risk for colorectal cancer. This variant may have significant impact on particular cancers, but it is unclear what effect it has on the overall burden of cancer.1
12SP110-L425SLowUncertainUncertain pathogenic

Unknown, Homozygous
0.863357This variant is associated with a slightly increased risk of tuberculosis. It is unclear whether it is itself causal, or in linkage disequilibrium with some other causal variant that has a stronger effect.1
13ABCC6-R1268QLowUncertainUncertain pharmacogenetic

Unknown, Heterozygous
0.218907This common polymorphism appears to not have a significant phenotypic impact. A few studies report weak but significant associations with plasma lipids (in Inuits) and thalidomide toxicity.1
14LPL-S474XLowUncertainUncertain protective

Unknown, Heterozygous
0.0844953This variant actually increases LPL enzyme activity despite creating a termination codon (see Rip J et al). It appears to be a protective variant, associated with lower triglyceride levels--although the effect is quite weak and explains only 0.5-1% of triglyceride variation.1
15ARSA-N350SLowWell-establishedWell-established benign

Unknown, Heterozygous
0.183199This common variant (HapMap 24.1% allele frequency) causes a loss of a glycosylation site (affecting the size of the protein when studied with gel electrophoresis) but does not affect enzyme activity or stability.1
16EFHC1-R182HLowLikelyLikely benign

Unknown, Heterozygous
0.0439673Probably benign. OMIM appears to incorrectly interpret literature as linking this variant to juvenile myoclonic epilepsy; the authors report it as a polymorphism.1
17PMS2-P470SLowLikelyLikely benign

Unknown, Heterozygous
0.374884Benign, common variant.1
18MLH1-I219VLowUncertainUncertain benign

Dominant, Heterozygous
0.239822Computational evidence, functional assays, and case/control studies suggest this variant is probably benign.1
19LOXL1-R141LLowUncertainUncertain benign

Complex/Other, Heterozygous
0.255899Associated with exfoliative glaucoma & syndrome (XFG & XFS) in various populations, but with contradicting results (protective in Caucasians, pathogenic in Japanese). Based on this it seems the variation itself -- although it affects protein structure -- is not itself causing disease. Instead it is likely associated with other nearby causal variants. As such, it is evaluated as benign by GET-Evidence (which focuses on reporting causal variants). See detailed variant report for disease risk associations.1
20RPGRIP1-A547SLowUncertainUncertain benign

Complex/Other, Heterozygous
0.232202Probably benign. Implicated in causing autosomal recessive cone-rod dystrophy, but a later report found the same incidence in controls and concludes it is not causal.1
21DSPP-R68WLowUncertainUncertain benign

Unknown, Heterozygous
0.143045Probably benign. One report linked this to causing dentinogenesis Imperfecta type II in a large Swedish family, but subsequent publications have observed this is a common variant and conclude it is a nonpathogenic polymorphism.1
22TYR-S192YLowUncertainUncertain benign

Unknown, Heterozygous
0.270682This variant is reported to affect skin pigmentation. It is associated with lighter skin in South Asians (OR 4-5) and with a lack of freckles in Europeans (OR 1.3).1
23GALT-N314DLowUncertainUncertain benign

Unknown, Heterozygous
0.0716676This variant has an allele frequency of ~8% and is ancestral to "Duarte" / "Duarte 2" and "Duarte 1"/"Los Angeles" galactosemia variants. This variant is evolutionarily ancestral, and in vitro studies fail to support an impact of this variant on enzyme activity. Carney et al. instead implicate a 4 base deletion on the 5' of the GALT gene as being causal and linked to this variant. Galactosemia is typically screened and detected in infants and causes early, severe but nonspecific symptoms (digestive problems, lethargy, failure to thrive).1
24BRCA1-Q356RLowUncertainUncertain benign

Unknown, Homozygous
0.0462911One common variant associated this variant with an increased risk of breast cancer, but a more recent, larger study found no association.1
25APOB-Y1422CLowUncertainUncertain benign

Unknown, Homozygous
0.999628This position is almost certainly an error in the HG18 reference sequence. 1
26FMO3-V257MLowUncertainUncertain benign

Unknown, Heterozygous
0.0570738This common variant (HapMap allele frequency of 9.2%) appears to have no functional effect. OMIM has recorded it as having been seen homozygously in an individual with Trimethylaminuria, but Treacy et al. 1998 conclude it is a polymorphism.1
27TAS2R38-A49PLowUncertainUncertain benign

Unknown, Heterozygous
0.431121This variant is strongly associated with causing the "taster" phenotype of phenylthiocarbamine (PTC) in a dominant manner.1
28MAPT-R370WLowUncertainUncertain benign

Unknown, Heterozygous
0.155549Probably benign.1
29SLC45A2-L374FLowUncertainUncertain benign

Unknown, Heterozygous
0.691764Pigmentation allele for non-black hair, and consequently, possible increased susceptibility to malignant melanoma.1
30TAS2R38-I296VLowUncertainUncertain benign

Unknown, Heterozygous
0.463376This variant is associated with "taster" status of PTC, along with 49P and 262A. Due to linkage disequilibrium, the independent effects of positions 296 and 262 is unclear. The presence of 49P confers taster status in a dominant fashion, but in the absence of 49P, the presence of 262A/296V is still positively associated with tasting PTC.1
31PCSK9-G670ELowUncertainUncertain benign

Unknown, Homozygous
0.888269This variant is likely benign. 1
32GUCY2D-A52SLowUncertainUncertain benign

Recessive, Carrier (Heterozygous)
0.21016One publication suggested that this variant possibly causes Leber's congenital amaurosis in a recessive manner, but the frequency data (36% in 1000 genomes) contradicts any significant pathogenic effect.1
VariantPrioritization scoreAllele
freq
Num of
articles
Zygosity and Prioritization Score Reasons

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"GENE" or "GENE A123C":

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