Interactions between lncRNAs and cyclins/CDKs complexes; key players in determining cancer cell response to CDKs
Bahaa Ibrahim Saeed1, Abhinav Kumar2, Enwa Felix Oghenemaro3
1Medical Laboratory Techniques Department, College of Health and Medical Technology, University of Al-maarif, Anbar, Iraq.
Abstract:
Transcription takes place over a significant portion of the human genome. However, only a small portion of the transcriptome, roughly 1.2 %, consists of RNAs translated into proteins; the majority of transcripts, on the other hand, comprise a variety of RNA families with varying sizes and functions. A substantial portion of this diverse RNA universe consists of sequences longer than 200 bases, called the long non-coding RNA (lncRNA). The control of gene transcription, changes to DNA topology, nucleosome organization and structure, paraspeckle creation, and assistance for developing cellular organelles are only a few of the numerous tasks performed by lncRNA. The main focus of this study is on the function of lncRNA in controlling the levels and actions of cyclin-dependent kinase inhibitors (CDKIs). The enzymes required for the mitotic cycle's regulated progression are called cyclin-dependent kinases (CDKs). They have many degrees of regulation over their activities and interact with CDKIs as their crucial mechanisms. Interestingly, culminating evidence has clarified that lncRNAs are associated with several illnesses and use CDKI regulation to control cellular function. Nonetheless, despite the abundance of solid evidence in the literature, it still seems unlikely that lncRNA will have much of an impact on controlling cell proliferation or modulating CDKIs.
Insights
Long non-coding RNAs (lncRNAs) regulate cell functions by modulating cyclin-dependent kinase inhibitors (CDKIs). While lncRNAs are linked to diseases, their impact on cell proliferation and CDKI modulation remains uncertain.
Area of Science:
- Molecular Biology
- Genetics
- Cell Biology
Background:
- The human genome is extensively transcribed, but only a small fraction of the transcriptome yields proteins.
- The majority of transcripts are non-coding RNAs, including long non-coding RNAs (lncRNAs) longer than 200 bases.
- lncRNAs perform diverse functions, including gene transcription control, DNA topology, nucleosome organization, and organelle development.
Purpose of the Study:
- To investigate the role of lncRNAs in regulating the levels and activities of cyclin-dependent kinase inhibitors (CDKIs).
- To explore the connection between lncRNA, CDKI regulation, and cellular function, particularly in the context of disease.
Main Methods:
- Literature review and analysis of existing evidence on lncRNA function.
- Examination of the regulatory mechanisms involving lncRNAs and cyclin-dependent kinases (CDKs) and their inhibitors (CDKIs).
Main Results:
- lncRNAs are implicated in regulating CDKIs, which are crucial for controlling the cell cycle via interactions with CDKs.
- lncRNAs are associated with various diseases, utilizing CDKI regulation to influence cellular processes.
- Despite existing evidence, the precise impact of lncRNAs on cell proliferation and CDKI modulation requires further elucidation.
Conclusions:
- lncRNAs play a significant role in cellular regulation through their interaction with CDKIs.
- The dysregulation of lncRNAs and CDKIs is linked to pathological conditions.
- Further research is needed to fully understand the extent of lncRNA influence on cell proliferation and CDKI activity.
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