Triple Negative Breast Cancer: A Tale of Two Decades

Author(s): Arwa M. Ali*, Jawaher A.K. Ansari, Nashwa M. Abd El-Aziz, Waleed N. Abozeed, Ahmed M. Abdel Warith, Khalid Alsaleh, Jean-Marc Nabholtz

Journal Name: Anti-Cancer Agents in Medicinal Chemistry
(Formerly Current Medicinal Chemistry - Anti-Cancer Agents)

Volume 17 , Issue 4 , 2017

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Triple negative breast cancer (TNBC) is a heterogeneous disease entity constituting about 15% of breast cancer cases worldwide. TNBC is associated with poor prognosis and lack of sustained response to conventional chemotherapeutic agents. Tumoral heterogeneity and the presence of several subtypes of TNBC such as Basal like (BL)-1, BL-2, immune-modulatory, luminal androgen receptor, mesenchymal, and mesenchymal/stem like subtype and claudin low subtype, may explain some of the difficulties faced in managing this challenging disease subgroups.

Although no approved targeted therapy is available for TNBCs, molecular-profiling efforts have revealed promising molecular targets such as the vascular endothelial growth factor (VEGF), epidermal growth factor receptor (EGFR), polyadenosine ribose polymerase inhibitors (PARPi) and DNA repair pathway, androgen pathway, and NOTCH pathway. TNBC is subject to intense research activities aiming at dissecting potential pathways, identifying potential molecular signatures and biomarkers in order to properly develop new targeted biologic modifiers. Despite this, there is a lack of approved predictive and prognostic biomarkers, and keeping in view the complexity of TNBC biology, research should be targeted towards identifying multi-factorial signatures rather than single markers. This review aims to summarize the current evidence, ongoing research and discuss future strategies for the treatment of patients with TNBC. In addition we have reviewed the recent advances in detecting predictive and prognostic biomarkers and identifying surrogate markers for early identification of potential responders to the new therapies.

Keywords: Triple negative breast cancer, molecular pathways, VEGF, EGFR, target therapy.

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Article Details

Year: 2017
Published on: 24 July, 2016
Page: [491 - 499]
Pages: 9
DOI: 10.2174/1871520616666160725112335
Price: $65

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