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Updated: Dec 10, 2025

Semi-quantitative Detection of RNA-dependent RNA Polymerase Activity of Human Telomerase Reverse Transcriptase Protein
Published on: June 12, 2018
Telomerase RNA processing: Implications for human health and disease
Neha Nagpal1,2,3,4, Suneet Agarwal1,2,3,4
1Division of Hematology/Oncology and Stem Cell Program, Boston Children's Hospital, Boston, Massachusetts, USA.
The human telomerase RNA component (TERC) is crucial for stem cell renewal and telomere maintenance. Disruptions in TERC biogenesis cause telomere biology disorders, offering insights into noncoding RNA diseases and potential therapies.
Area of Science:
- Molecular Biology
- Genetics
- RNA Biology
Background:
- Telomeres, maintained by telomerase, are vital for stem cell self-renewal.
- The human telomerase RNA component (TERC) acts as the template and scaffold for telomerase ribonucleoprotein (RNP).
Purpose of the Study:
- To review mechanisms of human TERC biogenesis.
- To elucidate how TERC disruption leads to human diseases.
Main Methods:
- Biochemical studies
- Human genetics
- Analysis of TERC biogenesis pathways (transcription, processing, folding, RNP assembly, trafficking)
Main Results:
- Disease-causing mutations affect multiple TERC biogenesis levels.
- TERC defects impair telomerase activity and telomere maintenance, causing telomere biology disorders (TBDs).
Conclusions:
- TERC regulation is complex and critical for preventing degenerative diseases.
- Understanding TERC dysregulation advances noncoding RNA biology and suggests therapeutic strategies for TBDs.
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