Breast cancer (BC) is the most prevalent type of cancer in women worldwide and it is classified into a few distinct molecular subtypes based on the expression of growth factor and hormone receptors. Though significant progress has been achieved in the search for novel medications through traditional and advanced approaches, still we need more efficacious and reliable treatment options to treat different types and stages of BC. Sirtuins (SIRT1-7) a class III histone deacetylase play a major role in combating various cancers including BC. Studies reveal thateach sirtuin has a unique and well-balanced biology, indicating that it regulates a variety of biological processes that result in the initiation, progression,and metastasis of BC. SIRT also plays a major role in numerous vital biological functions, including apoptosis, axonal protection, transcriptional silencing, DNA recombination and repair, fat mobilization, and aging. As per the current demand, we wish to outline the structural insights into sirtuin's catalytic site, substantial variations among all SIRT types, and their mechanism in BC management. Additionally, this review will focus on the application of SIRT modulators along with their clinical significance, hurdles, and future perspective to develop successful SIRT-based drug candidates to conquer the BC problem.
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