Cited by 898Telomeres, Telomerase, and SenescenceGenetics, Aging, and Longevity in Model OrganismsDNA and Nucleic Acid Chemistry

Human Telomerase and Its Regulation

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Cong, Yu-Sheng, Wright, Woodring E., Shay, Jerry W.·2002·Microbiology and Molecular Biology Reviews

Abstract

SUMMARY: The telomere is a special functional complex at the end of linear eukaryotic chromosomes, consisting of tandem repeat DNA sequences and associated proteins. It is essential for maintaining the integrity and stability of linear eukaryotic genomes. Telomere length regulation and maintenance contribute to normal human cellular aging and human diseases. The synthesis of telomeres is mainly achieved by the cellular reverse transcriptase telomerase, an RNA-dependent DNA polymerase that adds telomeric DNA to telomeres. Expression of telomerase is usually required for cell immortalization and long-term tumor growth. In humans, telomerase activity is tightly regulated during development and oncogenesis. The modulation of telomerase activity may therefore have important implications in antiaging and anticancer therapy. This review describes the currently known components of the telomerase complex and attempts to provide an update on the molecular mechanisms of human telomerase regulation.

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Crossref · 10.1128/mmbr.66.3.407-425.2002

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Authors
Cong, Y.-S., Wright, W. E., & Shay, J. W.
Affiliations
The University of Texas Southwestern Medical Center (US)
Venue
Microbiology and Molecular Biology Reviews
Published
2002-09
Volume
66
Issue
3
Pages
407-425
ISSN
  • 1092-2172 (ISSN-L)
  • 1098-5557
OpenAlex
W2110419228
Cited by
898
References
279
Citations by year
2026: 15 · 2025: 33 · 2024: 30 · 2023: 31 · 2022: 27 · 2021: 69 · 2020: 44 · 2019: 43 · 2018: 43 · 2017: 44 · 2016: 43 · 2015: 45 · 2014: 40 · 2013: 28 · 2012: 33
FWCI
3.97
Type
journal article
Language
en
Open access
Locations
  • Microbiology and Molecular Biology Reviews (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA and Nucleic Acid Chemistry
Keywords
telomerase, telomeres, telomere length regulation, telomerase regulation, cellular aging, cell immortalization, carcinogenesis, anti-aging therapy, cancer therapy, reverse transcriptase, genome stability
MeSH terms
DNA-Binding Proteins, Humans, Neoplasms, Oncogene Proteins, Viral, Promoter Regions, Genetic, Protein Processing, Post-Translational, Reference Values, Repressor Proteins, Steroids, Transcription, Genetic, Gene Expression Regulation, Enzymologic, Sp1 Transcription Factor, Telomere, Telomerase

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