Elizabeth H. Blackburn
伊丽莎白·布莱克本
PhD
Morris Herzstein Professor Emerita of Biology and Physiology, Department of Biochemistry and Biophysics生物化学与生物物理系莫里斯·赫茨坦生物学与生理学荣休教授
👥Biography 个人简介
Elizabeth Blackburn shared the 2009 Nobel Prize in Physiology or Medicine with Carol Greider and Jack Szostak for the discovery of telomeres and the enzyme telomerase. Telomeres — the protective caps at chromosome ends — are critically relevant to cancer biology: telomere shortening triggers genomic instability that can initiate malignant transformation, while telomerase reactivation in ~90% of human cancers enables unlimited replicative capacity, one of the core hallmarks of cancer. Blackburn's work established telomere maintenance as both a driver of carcinogenesis and a therapeutic target. She also served on the President's Council on Bioethics and has been a prominent advocate for research integrity and women in science.
🧪Research Fields 研究领域
🎓Key Contributions 主要贡献
Telomere Structure and Function
Discovered the repetitive DNA sequence structure of telomeres and demonstrated their essential role in protecting chromosome ends from degradation and end-joining, explaining how chromosomal integrity is maintained.
Telomerase Discovery
Co-discovered telomerase with Carol Greider, identifying the ribonucleoprotein enzyme that synthesizes telomere repeats and enables cells to maintain telomere length — explaining how cancer cells achieve immortality.
Telomeres in Cancer and Aging
Established the mechanistic connections between telomere dysfunction, genomic instability, cancer initiation, and cellular senescence, providing a unified framework for aging and cancer biology.
Telomerase as Cancer Therapeutic Target
Demonstrated that telomerase is reactivated in ~90% of human cancers while absent in most normal somatic cells, establishing it as a near-universal cancer target for diagnostic and therapeutic development.
Representative Works 代表性著作
A Tandemly Repeated Sequence at the Termini of the Extrachromosomal Ribosomal RNA Genes in Tetrahymena
Journal of Molecular Biology (1978)
Original discovery of the telomeric repeat sequence structure, laying the foundation for the Nobel Prize-winning body of work on telomeres.
Identification of a Specific Telomere Terminal Transferase Activity in Tetrahymena Extracts
Cell (1985)
Co-discovery of telomerase with Carol Greider, identifying the enzyme that maintains telomere length and explaining cellular immortality in cancer.
Telomeres and Telomerase: The Path from Maize, Tetrahymena and Yeast to Human Cancer and Aging
Nature Medicine (2006)
Comprehensive review linking telomere biology to cancer pathogenesis and aging, synthesizing three decades of telomere research.
🏆Awards & Recognition 奖项与荣誉
📄Data Sources 数据来源
Last updated: 2026-01-15 | All information from publicly available academic sources
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