Current Advances in Breast Cancer Research: A Molecular Approach

Current Advances in Breast Cancer Research: A Molecular Approach

Breast cancer is a recognized disease around the world with varying patient outcomes based on the type of breast cancer, access to healthcare and other factors. Survival rates for breast cancer are ...
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Deregulation of Enzymatic Post-Translational Modifications in Breast Cancer

Pp. 123-138 (16)

DOI: 10.2174/9789811451447120010008

Author(s): Lokesh Baweja, Neha Rajoria, Shankar Suman

Abstract

Post-translational modifications (PTMs) regulate vital cellular processes such as signaling, proteasomal mediated degradation of proteins, and transcription. Deregulation of post-translational modifications (PTMs) has been proven to have a strong association with breast cancer development. Aberrant PTMs can promote carcinogenesis by perturbing normal cellular homeostasis. The current literature review showed that breast cancer cells displayed abnormal ubiquitination, glycosylation, phosphorylation, and SUMOylation patterns. Breast cancer cells also exhibited stable modifications in histone proteins and DNA. These epigenetic modifications can directly affect the expression of cell cycle regulators by disrupting the transcriptional state of the genome. The current chapter summarizes the involvement of PTMs in carcinogenesis and the mechanism by which PTMs promote abnormal cell growth. Enzymes responsible for aberrant PTMs could be targeted to reduce the severity of the disease and may improve the prognosis of breast cancer.

Keywords:

Biomarkers, Breast Cancer, Epigenetics, Post-Translational Modifications.