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Oncoscience. 2013 Dec 12;1(1):14-20. doi: 10.18632/oncoscience.4. eCollection 2014.

Expression of Cancer/Testis genes in ductal carcinoma in situ and benign lesions of the breast.

Oncoscience

Otavia L Caballero, Sami Shousha, Qi Zhao, Andrew J G Simpson, R Charles Coombes, A Munro Neville

Affiliations

  1. Ludwig Collaborative Laboratory, Ludwig Institute for Cancer Research, Department of Neurosurgery, The Johns Hopkins University School of Medicine, Baltimore, MD USA.
  2. Imperial College Healthcare NHS Trust & Imperial College, London, Charing Cross Hospital.
  3. Ludwig Institute for Cancer Research, New York, NY., USA.
  4. Current affiliation: Orygen Biotecnologia, São Paulo, Brazil.

PMID: 25593980 PMCID: PMC4295763 DOI: 10.18632/oncoscience.4

Abstract

Cancer/testis (CT) genes represent a unique class of genes, which are expressed by germ cells, normally silenced in somatic cells, but activated in various cancers. CT proteins can elicit spontaneous immune responses in cancer patients and this feature makes them attractive targets for immunotherapy-based approaches. We have previously reported that CTs are relatively commonly expressed in estrogen receptor (ER) negative, high risk carcinomas. In this study, we examined the expression of selected CT genes in ductal carcinoma in situ (DCIS), lobular carcinoma in situ (LCIS) and benign proliferative lesions of the breast. ER negative DCIS were found to be associated with significant CT gene expression together with HER2 positivity and a marked stromal immune response.

Keywords: DCIS; ER negative; cancer/testis genes

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