Journal
AGING-US
Volume 11, Issue 8, Pages 2512-2540Publisher
IMPACT JOURNALS LLC
DOI: 10.18632/aging.101922
Keywords
ribosome biogenesis; ribosomopathy; aging; cancer; p53
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Funding
- Grant Agency of the Czech Republic [17-14743S, 17-25976S]
- Internal Grant of Palacky University [IGA-LF-2019-026]
- European Regional Development Fund Project ENOCH [CZ.02.1.01/0.0/0.0/16_019/0000868]
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The biosynthesis of ribosomes is a complex process that requires the coordinated action of many factors and a huge energy investment from the cell. Ribosomes are essential for protein production, and thus for cellular survival, growth and proliferation. Ribosome biogenesis is initiated in the nucleolus and includes: the synthesis and processing of ribosomal RNAs, assembly of ribosomal proteins, transport to the cytoplasm and association of ribosomal subunits. The disruption of ribosome biogenesis at various steps, with either increased or decreased expression of different ribosomal components, can promote cell cycle arrest, senescence or apoptosis. Additionally, interference with ribosomal biogenesis is often associated with cancer, aging and age-related degenerative diseases. Here, we review current knowledge on impaired ribosome biogenesis, discuss the main factors involved in stress responses under such circumstances and focus on examples with clinical relevance.
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