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Oct4 expression in adult human stem cells: evidence in support of the stem cell theory of carcinogenesis

Tai, M.-H.·2004·Carcinogenesis

Abstract

The Oct3/4 gene, a POU family transcription factor, has been noted as being specifically expressed in embryonic stem cells and in tumor cells but not in cells of differentiated tissues. With the ability to isolate adult human stem cells it became possible to test for the expression of Oct3/4 gene in adult stem cells and to test the stem cell theory of carcinogenesis. Using antibodies and PCR primers we tested human breast, liver, pancreas, kidney, mesenchyme and gastric stem cells, the cancer cell lines HeLa and MCF-7 and human, dog and rat tumors for Oct4 expression. The results indicate that adult human stem cells, immortalized non-tumorigenic cells and tumor cells and cell lines, but not differentiated cells, express Oct4. Oct4 is expressed in a few cells found in the basal layer of human skin epidermis. The data demonstrate that adult stem cells maintain expression of Oct4, consistent with the stem cell hypothesis of carcinogenesis.

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Metadata

Authors
Tai, M.-H.
Venue
Carcinogenesis
Published
2004-09-16
Volume
26
Issue
2
Pages
495-502
ISSN
  • 0143-3334 (ISSN-L)
  • 1460-2180
OpenAlex
W2144108148
Cited by
591
References
0
FWCI
13.37
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Oct4 expression in adult human stem cells: evidence in support of the stem cell theory of carcinogenesis. https://app.cochat.ai/papers/10.1093/carcin/bgh321
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Tai, M.-H. (2004). Oct4 expression in adult human stem cells: evidence in support of the stem cell theory of carcinogenesis. Carcinogenesis. https://doi.org/10.1093/carcin/bgh321

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