Ideas in pathology. Pivotal role of increased cell proliferation in human carcinogenesis.

Samuel Monroe Cohen, D. T. Purtilo, L. B. Ellwein

Research output: Contribution to journalReview article

83 Citations (Scopus)

Abstract

Cancer develops secondary to multiple genetic events. Each time a cell divides there is a rare chance that a genetic error related to the carcinogenic process will occur. Thus, environmental agents or disease processes that produce sustained increased cell proliferation can enhance the likelihood of cancer development by providing additional cell divisions, each with an opportunity for spontaneous genetic error. Studies of hereditary cancers and of various DNA-damaging agents, such as radiation and certain viruses and chemicals, have provided insight into identification of the essential genes, but many examples of carcinogenesis in humans do not involve direct DNA damage. Also, most preneoplastic lesions in human carcinogenesis show increased proliferation compared with normal tissues, whether from increased mitotic rate, blocked differentiation, prolonged cell survival, or other mechanisms. Selected examples of proliferation-related carcinogenesis are described, including certain infectious agents, defective immune surveillance, hormonal imbalances, chronic inflammatory-regenerative processes, and exposure to various chemicals. A common biologic mechanism for these diverse stimuli is increased cell proliferation as a prelude to cancer. This mechanism seems essential to the genesis of many cancers in humans.

Original languageEnglish (US)
Pages (from-to)371-382
Number of pages12
JournalModern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc
Volume4
Issue number3
StatePublished - Jan 1 1991

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Carcinogenesis
Cell Proliferation
Pathology
Neoplasms
Essential Genes
Cell Division
DNA Damage
Cell Survival
Radiation
Viruses
DNA

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

Cite this

Ideas in pathology. Pivotal role of increased cell proliferation in human carcinogenesis. / Cohen, Samuel Monroe; Purtilo, D. T.; Ellwein, L. B.

In: Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc, Vol. 4, No. 3, 01.01.1991, p. 371-382.

Research output: Contribution to journalReview article

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