Cited by 89BRCA gene mutations in cancerGenetic factors in colorectal cancerOvarian cancer diagnosis and treatment

Mismatch repair deficiency in ovarian cancer — Molecular characteristics and clinical implications

Xiao, Xue, Melton, David W., Gourley, Charlie·2014·Gynecologic Oncology

Abstract

DNA mismatch repair (MMR) deficiency is associated with increased risk of developing several types of cancer and is the most common cause of hereditary ovarian cancer after BRCA1 and BRCA2 mutations. While there has been extensive investigation of MMR deficiency in colorectal cancer, MMR in ovarian cancer is relatively under-investigated. This review summarizes the mechanism of MMR, the ways in which MMR deficiency can promote carcinogenesis in general and then assesses the available studies regarding MMR deficiency in ovarian cancers with specific emphasis on implications for disease incidence and therapy. The incidence of germline MMR gene mutations in ovarian cancer is only 2% but other mechanisms of gene inactivation mean that loss of expression of one of the seven main genes (MSH2, MSH3, MSH6, MLH1, MLH3, PMS1 and PMS2) occurs in up to 29% of cases. Both mutational and expression data suggest that MMR deficiency is more common in non-serous ovarian cancer. Some studies suggest an improved survival for patients with MMR deficiency compared to historical controls but these do not account for the preponderance of non-serous tumors. A number of in vitro studies have suggested that MMR deficiency is a cause of platinum resistance. To date this has not been categorically demonstrated in the clinic. Larger studies that account for stage of presentation and immunohistochemical subtype are required to assess the effect of MMR deficiency on survival and chemosensitivity. Investigation of MMR related synthetic lethality in colorectal cancer has identified dihydrofolate reductase, DNA polymerase β and DNA polymerase γ and PTEN-induced putative kinase 1 as synthetic lethal to certain MMR defects by causing accumulation of oxidative DNA damage. These synthetic lethal targets require tested and others should be sought within the context of MMR deficient ovarian cancer in an attempt to provide novel therapeutic strategies for these patients.

Integrity signals

Registry

Crossref · 10.1016/j.ygyno.2013.12.003

Cites

74 of 74 references verified0 citation errors · 0 not checkable

Statistics

Recomputing p-values needs the paper’s full text.

Claims the paper makes

This paper’s full text isn’t openly available, so its claims and self-check weren’t run. The registry and citation checks still apply.

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

Cites

Flagged first, then by citations

3 of the 77 references couldn’t be matched to a known paper.

Cited by

Sorted by citations

Authors
Xiao, X., Melton, D. W., & Gourley, C.
Affiliations
Western General Hospital (GB)
Corresponding author
Gourley, Charlie
Venue
Gynecologic Oncology
Publisher
Elsevier BV
Published
2014-02
Volume
132
Issue
2
Pages
506-512
ISSN
0090-8258 (ISSN-L)
OpenAlex
W1976342564
Cited by
89
References
77
Citations by year
2026: 1 · 2025: 2 · 2024: 4 · 2023: 11 · 2022: 6 · 2021: 11 · 2020: 8 · 2019: 8 · 2018: 9 · 2017: 4 · 2016: 9 · 2015: 10 · 2014: 6
FWCI
1.03
Type
journal article
Language
en
Open access
closed
Locations
  • Gynecologic Oncology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › BRCA gene mutations in cancer
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Genetic factors in colorectal cancer
  • Health Sciences › Medicine › Reproductive Medicine › Ovarian cancer diagnosis and treatment
Keywords
mismatch repair deficiency, ovarian cancer, hereditary ovarian cancer, MSH2, MSH6, MLH1, PMS2, platinum resistance, synthetic lethality, dihydrofolate reductase, DNA polymerase beta, DNA polymerase gamma, oxidative DNA damage, patient survival, chemosensitivity
MeSH terms
Female, Humans, Ovarian Neoplasms, DNA Mismatch Repair

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review