Total submissions: 3
Submitter | RCV | SCV | Clinical significance | Condition | Last evaluated | Review status | Method | Comment |
---|---|---|---|---|---|---|---|---|
Ambry Genetics | RCV004018568 | SCV003913812 | uncertain significance | not specified | 2022-11-10 | criteria provided, single submitter | clinical testing | The p.E828* variant (also known as c.2482G>T), located in coding exon 1 of the MLH3 gene, results from a G to T substitution at nucleotide position 2482. This changes the amino acid from a glutamic acid to a stop codon within coding exon 1. This variant was identified in a cohort of patients with primary prostate cancer comprised African American and European Ancestry (Kohaar I et al. Nat Commun, 2022 03;13:1361). This alteration is expected to result in protein truncation or nonsense-mediated mRNA decay. However, loss of function of MLH3 has not been established as a mechanism of disease. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear. |
Labcorp Genetics |
RCV003614030 | SCV004468974 | uncertain significance | Colorectal cancer, hereditary nonpolyposis, type 7 | 2023-12-28 | criteria provided, single submitter | clinical testing | This sequence change creates a premature translational stop signal (p.Glu828*) in the MLH3 gene. It is expected to result in an absent or disrupted protein product. However, the current clinical and genetic evidence is not sufficient to establish whether loss-of-function variants in MLH3 cause disease. This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with MLH3-related conditions. ClinVar contains an entry for this variant (Variation ID: 5557). In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. |
OMIM | RCV000005896 | SCV000026078 | pathogenic | Carcinoma of colon | 2001-05-01 | no assertion criteria provided | literature only |