The α isoform of the IκB protein kinase has been identified as the missing link in a signaling pathway that controls mammary epithelial proliferation via the cell-cycle regulator cyclin D1. This new player may provide a promising target for inhibiting cyclin D1 expression, which is elevated in 50% of breast malignancies.
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References
Cao, Y. et al. IKKα provides an essential link between RANK signaling and cyclin D1 expression during mammary gland development. Cell 107, 763–775 (2001).
Fata, J.E. et al. The osteoclast differentiation factor osteoprotegerin-ligand is essential for mammary gland development. Cell 103, 41–50 (2000).
Geymayer, S. & Doppler, W. Activation of NF-κB p50/p65 is regulated in the developing mammary gland and inhibits STAT5-mediated β-casein gene expression. FASEB J. 14, 1159–1170 (2000).
Clarkson, R.W. et al. NF-κB inhibits apoptosis in murine mammary epithelia. J. Biol. Chem. 275, 12737–12742 (2001).
Hinz, M. et al. NF-κB function in growth control: regulation of cyclin D1 expression and G0/G1-to-S-phase transition. Mol. Cell. Biol. 19, 2690–2698 (1999).
Guttridge, D.C. et al. NF-κB controls cell growth and differentiation through transcriptional regulation of cyclin D1. Mol. Cell. Biol. 19, 5785–5799 (1999).
Yu, Q., Geng, Y. & Sicinski, P. Specific protection against breast cancers by cyclin D1 ablation. Nature 411, 1017–1021 (2001).
Cogswell, P.C. et al. Selective activation of NF-κB subunits in human breast cancer: potential roles for NF-κB2/p52 and Bcl-3. Oncogene 19, 1123–1131 (2000).
Thomas, R.J. et al. Breast cancer cells interact with osteoblasts to support osteoclast formation. Endocrinology 140, 4451–4458 (1999).
Biswas, D.K. et al. The nuclear factor kappa B (NF-κB): a potential therapeutic target for estrogen receptor negative breast cancers. Proc. Natl. Acad. Sci. USA 98, 10386–10391 (2001).
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Tonko-Geymayer, S., Doppler, W. An essential link to mammary cancer?. Nat Med 8, 108–110 (2002). https://doi.org/10.1038/nm0202-108
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DOI: https://doi.org/10.1038/nm0202-108