Differential impact of telomere dysfunction on initiation and progression of hepatocellular carcinoma

Paraskevi A. Farazi, Jonathan Glickman, Shan Jiang, Alice Yu, Karl Lenhard Rudolph, Ronald A. DePinho

Research output: Contribution to journalArticle

112 Citations (Scopus)

Abstract

Telomere maintenance and telomerase reactivation are near universal features of human hepatocellular carcinoma (HCC), yet the shorter telomeres and highly abnormal cytogenetic profiles of HCC suggest that telomere erosion and dysfunction may be operative during the formative stages of tumorigenesis. Previous studies have established that the cancer-enhancing or suppressing impact of telomere dysfunction is highly dependent on several parameters including cell type, tumor stage, and p53 status. Here, to understand better the pathogenetic role of telomere dysfunction in the initiation and progression in human HCC, we have used three mechanistically distinct liver cancer-prone model systems (urokinase plasminogen activator transgenic mice, carbon tetrachloride exposure, and diethylnistrosamine treatment) in the context of successive generations of telomerase-deficient mice null for the telomerase RNA component, mTERC. Across all of the HCC model systems, telomere dysfunction suppressed both the incidence and growth of HCC lesions, a trend that mirrored the level of intratumoral proliferative arrest and apoptosis. On the histological level, telomere dysfunction was associated with a significant increase in the number of early stage neoplastic lesions and a reciprocal decline in the occurrence of high-grade malignancies. These genetic data in the mouse indicate that telomere dysfunction exerts an opposing role in the initiation versus progression of HCC and provide a framework for understanding the intimate link among chronic liver disease, chromosomal instability, and increased HCC in humans.

Original languageEnglish (US)
Pages (from-to)5021-5027
Number of pages7
JournalCancer Research
Volume63
Issue number16
StatePublished - Aug 15 2003

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Telomere
Hepatocellular Carcinoma
Telomerase
Neoplasms
Chromosomal Instability
Carbon Tetrachloride
Plasminogen Activators
Urokinase-Type Plasminogen Activator
Liver Neoplasms
Cytogenetics
Transgenic Mice
Liver Diseases
Carcinogenesis
Chronic Disease
Maintenance
Apoptosis
Incidence
Growth

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

Cite this

Farazi, P. A., Glickman, J., Jiang, S., Yu, A., Rudolph, K. L., & DePinho, R. A. (2003). Differential impact of telomere dysfunction on initiation and progression of hepatocellular carcinoma. Cancer Research, 63(16), 5021-5027.

Differential impact of telomere dysfunction on initiation and progression of hepatocellular carcinoma. / Farazi, Paraskevi A.; Glickman, Jonathan; Jiang, Shan; Yu, Alice; Rudolph, Karl Lenhard; DePinho, Ronald A.

In: Cancer Research, Vol. 63, No. 16, 15.08.2003, p. 5021-5027.

Research output: Contribution to journalArticle

Farazi, PA, Glickman, J, Jiang, S, Yu, A, Rudolph, KL & DePinho, RA 2003, 'Differential impact of telomere dysfunction on initiation and progression of hepatocellular carcinoma', Cancer Research, vol. 63, no. 16, pp. 5021-5027.
Farazi PA, Glickman J, Jiang S, Yu A, Rudolph KL, DePinho RA. Differential impact of telomere dysfunction on initiation and progression of hepatocellular carcinoma. Cancer Research. 2003 Aug 15;63(16):5021-5027.
Farazi, Paraskevi A. ; Glickman, Jonathan ; Jiang, Shan ; Yu, Alice ; Rudolph, Karl Lenhard ; DePinho, Ronald A. / Differential impact of telomere dysfunction on initiation and progression of hepatocellular carcinoma. In: Cancer Research. 2003 ; Vol. 63, No. 16. pp. 5021-5027.
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