ArticleThe Journal of international medical research2021
Expression of 34
Article in The Journal of international medical research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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4 authors at 1 institution in 1 country.
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Abstract
objectivesTo investigate the relationship between high-molecular-weight cytokeratin (34βE12) and clinicopathological parameters (including HER-2, Ki67 and steroid receptors) in breast cancer to determine its usefulness as a prognostic marker.
methodsIn this retrospective study, the expression level 34βE12 was assessed in surgically resected breast cancer specimens by immunohistochemical staining. Data were correlated with the patients' clinicopathological parameters.
resultsOf the 348 breast cancer tissue samples, 232 (67%) showed positive expression of 34βE12. There were statistically significant differences between the positive and negative 34βE12 expression groups in tumour size, lymph node involvement, oestrogen receptor (ER), progesterone receptor (PR) and human epidermal growth factor receptor-2 (HER2) status. There were no differences between groups in age, tumour grade, or Ki67 status. In addition, patients who were positive for 34βE12 had significantly extended overall survival. In multivariate analysis, the expression level of 34βE12 was found to be a significant independent prognostic factor.
conclusionThese results suggest that positive 34βE12 expression is associated with a favourable outcome in breast cancer and so may be a useful prognostic factor. Further studies are required to confirm these results.
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