8-Cl-cAMP antagonizes mitogen-activated protein kinase activation and cell growth stimulation induced by epidermal growth factor
1999

Effects of 8-Chloro-cAMP on Cancer Cell Growth

publication

Author Information

Author(s): Budillon A, Gennaro E Di, Caraglia M, Barbarulo D, Abbruzzese A, Tagliaferri P

Primary Institution: Istituto Nazionale dei Tumori, Fondazione ‘G Pascale’, Napoli, Italy

Hypothesis

Does 8-Chloro-cAMP inhibit the growth-promoting effects of epidermal growth factor in cancer cells?

Conclusion

8-Chloro-cAMP completely abolishes the growth-promoting activity of epidermal growth factor in cancer cells by inhibiting specific signaling pathways.

Supporting Evidence

  • 8-Chloro-cAMP completely abolishes the growth-promoting activity of EGF.
  • The inhibition of EGF-induced proliferation is linked to the blockade of MAPK activation.
  • EGF-R expression and tyrosine phosphorylation increase when cells are treated with 8-Chloro-cAMP.

Takeaway

This study shows that a special compound called 8-Chloro-cAMP can stop cancer cells from growing by blocking signals that tell them to grow.

Methodology

The effects of 8-Cl-cAMP on EGF signaling were investigated in human epidermoid cancer KB cells.

Digital Object Identifier (DOI)

10.1038/sj.bjc.6690820

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