Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 22, Issue 6, Pages -Publisher
MDPI
DOI: 10.3390/ijms22063280
Keywords
non-coding RNA; long non-coding RNA; Piwi-interacting RNA; breast cancer; RNA interference; small nucleolar RNA; small nuclear RNA
Funding
- European Regional Development Fund [ITMS: 313011V446]
- Slovak Research and Development Agency [APVV-16-0021]
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Breast cancer is a heterogeneous and common gynaecological cancer, with various factors affecting its development. Research interest has shifted to the role of non-coding RNAs in tumour development and their potential as therapeutic targets, as their abnormal expression is closely linked to breast cancer progression.
Breast cancer is very heterogenous and the most common gynaecological cancer, with various factors affecting its development. While its impact on human lives and national health budgets is still rising in almost all global areas, many molecular mechanisms affecting its onset and development remain unclear. Conventional treatments still prove inadequate in some aspects, and appropriate molecular therapeutic targets are required for improved outcomes. Recent scientific interest has therefore focused on the non-coding RNAs roles in tumour development and their potential as therapeutic targets. These RNAs comprise the majority of the human transcript and their broad action mechanisms range from gene silencing to chromatin remodelling. Many non-coding RNAs also have altered expression in breast cancer cell lines and tissues, and this is often connected with increased proliferation, a degraded extracellular environment, and higher endothelial to mesenchymal transition. Herein, we summarise the known abnormalities in the function and expression of long non-coding RNAs, Piwi interacting RNAs, small nucleolar RNAs and small nuclear RNAs in breast cancer, and how these abnormalities affect the development of this deadly disease. Finally, the use of RNA interference to suppress breast cancer growth is summarised.
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