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Cited by 351

The DOI matches its Crossref record; 46 of the 46 references it cites were found in a registry or an index.

Epidermal growth factor-induced nuclear factor κB activation: A major pathway of cell-cycle progression in estrogen-receptor negative breast cancer cells

Open access
Biswas, Debajit K., Cruz, Antonio P., Gansberger, Eva, Pardee, Arthur B.·2000·Proceedings of the National Academy of Sciences

Abstract

The epidermal growth factor (EGF) family of receptors (EGFR) is overproduced in estrogen receptor (ER) negative (−) breast cancer cells. An inverse correlation of the level of EGFR and ER is observed between ER− and ER positive (+) breast cancer cells. A comparative study with EGFR-overproducing ER− and low-level producing ER+ breast cancer cells suggests that EGF is a major growth-stimulating factor for ER− cells. An outline of the pathway for the EGF-induced enhanced proliferation of ER− human breast cancer cells is proposed. The transmission of mitogenic signal induced by EGF–EGFR interaction is mediated via activation of nuclear factor κB (NF-κB). The basal level of active NF-κB in ER− cells is elevated by EGF and inhibited by anti-EGFR antibody (EGFR-Ab), thus qualifying EGF as a NF-κB activation factor. NF-κB transactivates the cell-cycle regulatory protein, cyclin D1, which causes increased phosphorylation of retinoblastoma protein, more strongly in ER− cells. An inhibitor of phosphatidylinositol 3 kinase, Ly294–002, blocked this event, suggesting a role of the former in the activation of NF-κB by EGF. Go6976, a well-characterized NF-κB inhibitor, blocked EGF-induced NF-κB activation and up-regulation of cell-cycle regulatory proteins. This low molecular weight compound also caused apoptotic death, predominantly more in ER− cells. Thus Go6976 and similar NF-κB inhibitors are potentially novel low molecular weight therapeutic agents for treatment of ER− breast cancer patients.

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Metadata

Authors
Biswas, D. K., Cruz, A. P., Gansberger, E., & Pardee, A. B.
Venue
Proceedings of the National Academy of Sciences
Published
2000-07-18
Volume
97
Issue
15
Pages
8542-8547
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2026863172
Cited by
351
References
46
FWCI
8.66
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Epidermal growth factor-induced nuclear factor κB activation: A major pathway of cell-cycle progression in estrogen-receptor negative breast cancer cells. https://app.cochat.ai/papers/10.1073/pnas.97.15.8542
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Biswas, D. K., Cruz, A. P., Gansberger, E., & Pardee, A. B. (2000). Epidermal growth factor-induced nuclear factor κB activation: A major pathway of cell-cycle progression in estrogen-receptor negative breast cancer cells. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.97.15.8542

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