Obesity as a Risk Factor for Breast Cancer—The Role of miRNA

Karolina Hanusek; Jakub Karczmarski; Anna Litwiniuk; Katarzyna Urbańska; Filip Ambrozkiewicz; Andrzej Kwiatkowski; Lidia Martyńska; Anita Domańska; Wojciech Bik; Agnieszka Paziewska

Obesity as a Risk Factor for Breast Cancer—The Role of miRNA

2022

Breast cancer (BC) is the most common cancer diagnosed among women in the world, with an ever-increasing incidence rate. Due to the dynamic increase in the occurrence of risk factors, including obesity and related metabolic disorders, the search for new regulatory mechanisms is necessary. This will help a complete understanding of the pathogenesis of breast cancer. The review presents the mechanisms of obesity as a factor that increases the risk of developing breast cancer and that even initiates the cancer process in the female population. The mechanisms presented in the paper relate to the inflammatory process resulting from current or progressive obesity leading to cell metabolism disorders and disturbed hormonal metabolism. All these processes are widely regulated by the action of microRNAs (miRNAs), which may constitute potential biomarkers influencing the pathogenesis of breast cancer and may be a promising target of anti-cancer therapies.

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