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Carotenuto P.,Oncological Research Center Mercogliano | Roma C.,Oncological Research Center Mercogliano | Rachiglio A.M.,Oncological Research Center Mercogliano | Botti G.,Surgical Pathology Unit | And 3 more authors.
Critical Reviews in Eukaryotic Gene Expression | Year: 2010

Triple negative breast cancer is a subtype of breast cancer that lacks expression of an estrogen receptor (ER), a progesterone receptor (PR), and HER2. It is characterized by its unique molecular profile, aggressive behavior, and distinct pattern of metastasis. Epidemiological studies show a high prevalence of triple negative breast cancer among younger women and those of African descent. Although sensitive to chemotherapy, early relapse is common, and a predilection for visceral metastasis, including brain metastasis, has been described. Gene-expression profiling approaches demonstrated that triple negative breast cancer is a heterogeneous group of diseases composed of different, molecularly distinct subtypes. Although not synonymous, the majority of triple negative breast cancers carry the "basal-like" molecular profile on gene-expression arrays. However, several studies have shown that triple negative breast cancer includes tumors with a non-basal expression profile and, in particular, the "normal-breast," the "multiple marker negative," and the recently identified "claudin-negative" subtypes. Target-based agents, including epidermal growth factor receptor (EGFR), vascular endothelial growth factor (VEGF), and poly-ADP-ribose polymerase (PARP) inhibitors, are currently in clinical trials and hold promise in the treatment of this aggressive disease. © 2010 by Begell House, Inc.


PubMed | Oncological Research Center Mercogliano
Type: Journal Article | Journal: Critical reviews in eukaryotic gene expression | Year: 2010

Triple negative breast cancer is a subtype of breast cancer that lacks expression of an estrogen receptor (ER), a progesterone receptor (PR), and HER2. It is characterized by its unique molecular profile, aggressive behavior, and distinct pattern of metastasis. Epidemiological studies show a high prevalence of triple negative breast cancer among younger women and those of African descent. Although sensitive to chemotherapy, early relapse is common, and a predilection for visceral metastasis, including brain metastasis, has been described. Gene-expression profiling approaches demonstrated that triple negative breast cancer is a heterogeneous group of diseases composed of different, molecularly distinct subtypes. Although not synonymous, the majority of triple negative breast cancers carry the basal-like molecular profile on gene-expression arrays. However, several studies have shown that triple negative breast cancer includes tumors with a non-basal expression profile and, in particular, the normal-breast, the multiple marker negative, and the recently identified claudin-negative subtypes. Target-based agents, including epidermal growth factor receptor (EGFR), vascular endothelial growth factor (VEGF), and poly-ADP-ribose polymerase (PARP) inhibitors, are currently in clinical trials and hold promise in the treatment of this aggressive disease.

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