Cell growth arrest and induction of cyclin-dependent kinase inhibitor p21WAF1/CIP1 Mediated by STAT1

Yue E. Chin, Motoo Kitagawa, Wu Chou S Su, Zhi Hao You, Yoshiki Iwamoto, Xin Yuan Fu

Research output: Contribution to journalArticle

690 Citations (Scopus)

Abstract

Signal transducers and activators of transcription (STAT) proteins can be conditionally activated in response to epidermal growth factor (EGF) and interferon (IFN)-γ. STAT activation was correlated with cell growth inhibition in response to EGF and IFN-γ. Activated STAT proteins specifically recognized the conserved STAT-responsive elements in the promoter of the gene encoding the cyclin-dependent kinase (CDK) inhibitor p21WAF1/CIP1 and regulated the induction of p21 messenger RNA. IFN-γ did not inhibit the growth of U3A cells, which are deficient in STAT1, but did inhibit the growth of U3A cells into which STAT1α was reintroduced. Thus, STAT1 protein is essential for cell growth suppression in response to IFN-γ. The STAT signaling pathway appears to negatively regulate the cell cycle by inducing CDK inhibitors in response to cytokines.

Original languageEnglish (US)
Pages (from-to)719-722
Number of pages4
JournalScience
Volume272
Issue number5262
StatePublished - May 3 1996
Externally publishedYes

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Cyclin-Dependent Kinases
Interferons
Transducers
STAT Transcription Factors
Growth
Epidermal Growth Factor
STAT1 Transcription Factor
Transcriptional Activation
Cell Cycle
Cytokines
Messenger RNA
Genes

ASJC Scopus subject areas

  • General

Cite this

Chin, Y. E., Kitagawa, M., Su, W. C. S., You, Z. H., Iwamoto, Y., & Fu, X. Y. (1996). Cell growth arrest and induction of cyclin-dependent kinase inhibitor p21WAF1/CIP1 Mediated by STAT1. Science, 272(5262), 719-722.

Cell growth arrest and induction of cyclin-dependent kinase inhibitor p21WAF1/CIP1 Mediated by STAT1. / Chin, Yue E.; Kitagawa, Motoo; Su, Wu Chou S; You, Zhi Hao; Iwamoto, Yoshiki; Fu, Xin Yuan.

In: Science, Vol. 272, No. 5262, 03.05.1996, p. 719-722.

Research output: Contribution to journalArticle

Chin, YE, Kitagawa, M, Su, WCS, You, ZH, Iwamoto, Y & Fu, XY 1996, 'Cell growth arrest and induction of cyclin-dependent kinase inhibitor p21WAF1/CIP1 Mediated by STAT1', Science, vol. 272, no. 5262, pp. 719-722.
Chin YE, Kitagawa M, Su WCS, You ZH, Iwamoto Y, Fu XY. Cell growth arrest and induction of cyclin-dependent kinase inhibitor p21WAF1/CIP1 Mediated by STAT1. Science. 1996 May 3;272(5262):719-722.
Chin, Yue E. ; Kitagawa, Motoo ; Su, Wu Chou S ; You, Zhi Hao ; Iwamoto, Yoshiki ; Fu, Xin Yuan. / Cell growth arrest and induction of cyclin-dependent kinase inhibitor p21WAF1/CIP1 Mediated by STAT1. In: Science. 1996 ; Vol. 272, No. 5262. pp. 719-722.
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