ArticleDiagnostic pathology2009
Altered PTEN expression; a diagnostic marker for differentiating normal, hyperplastic and neoplastic endometrium.
Article in Diagnostic pathology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers, 1 of them a synthesis that pooled it.
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Who cites it
30 citing papers in PubMed, 1 synthesis or guideline pooled it, 69 citations in OpenAlex.
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- Genetic and Epigenetic of Medullary Thyroid CancerIranian biomedical journal · 2018Article
- A Review of Driver Genetic Alterations in Thyroid Cancers.Iranian journal of pathology · 2018Review
- Multiple Endocrine Neoplasia Syndromes from Genetic and Epigenetic Perspectives.Biomarker insights · 2018Review
- Clear Cell Sarcoma: A Case Report and Review of Literature.International journal of hematology-oncology and stem cell research · 2018Article
Corrections and comments
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Authors and funding
4 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundDifferent molecular alterations have been described in endometrioid endometrial carcinoma (EECA). Among them the most frequently altered is loss of the PTEN protein, a tumor suppressor gene. The purpose of this study was to evaluate the expression pattern of PTEN gene in normal, hyperplastic and neoplastic endometrium.
methodsIn a study in a referral gynecologic hospital in Tehran, Iran, immunohistochemical (IHC) evaluation of PTEN was performed on 87 consecutive specimens to the following three groups; group A- normal proliferative endometrium(n = 29); group B- hyperplastic endometrium [including simple hyperplasia without atypia(n = 21) and complex hyperplasia with atypia (n = 8)] and group C- EECA(n = 29). Immunostaining of cells was analyzed by arbitrary quantitative methods according to both slide's area staining and intensity of color reaction.
resultsPTEN immunoreactivity was present in all normal proliferative endometrium, all simple hyperplasia, 75% of atypical complex hyperplasia and in 48% of EECA (P < 0.001). The intensity of PTEN reaction was significantly higher in group with proliferative endometrium than hyperplastic endometrium and EECA (P < 0.001).
conclusionPTEN expression was significantly higher in cyclical endometrium than in atypical hyperplasia and endometrioid carcinoma.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.