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Cellular 'glue' resists breast cancer

Date:
April 20, 2012
Source:
BioMed Central Limited
Summary:
Early detection and advances in the treatment for breast cancer have improved the chances of survival, however new avenues for treatment are still needed in the battle against this disease. New research demonstrates that the protein Perp, associated with desmosomes (the glue that sticks cells together), is involved in suppressing breast cancer and provides a potential new target for future treatment.

Early detection and advances in the treatment for breast cancer have improved the chances of survival, however new avenues for treatment are still needed in the battle against this disease. New research published in BioMed Central's open access journal Breast Cancer Research demonstrates that the protein Perp, associated with desmosomes (the glue that sticks cells together), is involved in suppressing breast cancer and provides a potential new target for future treatment.

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Desmosomes attach neighbouring cells together and it is these tiny collections of proteins which are responsible for the mechanical strength of organs and tissues within the body. Desmosomes are also thought to be involved in helping to suppress cancer. Researchers from Stanford University, UC Berkeley, and UC Davis have discovered that the protein Perp is found associated with desmosomes in breast epithelial cells.

Dr Laura Attardi, who led the research, described how loss of Perp affected normal breast tissue function in mice. She said, "Perp deficiency caused defects in desmosomal protein expression in breast epithelial cells. At the same time there was an enhanced inflammatory response in the breast tissue, and tumours tended to develop more quickly. We also found in the lab that breast cancer cells had abnormally low levels of Perp."

These results show that Perp is part of the cellular glue that fastens cells together and has a dual role in the prevention of breast cancer. Inflammatory cells promote cancer and lack of cell adhesion is part of the progression of cancer to metastasis. Perp may well be a new indicator for monitoring breast cancer or a future target for molecular treatment.


Story Source:

The above story is based on materials provided by BioMed Central Limited. Note: Materials may be edited for content and length.


Journal Reference:

  1. Rachel L Dusek, Jamie L Bascom, Hannes Vogel, Sylvain Baron, Alexander D Borowsky, Mina J Bissell, Laura D Attardi. Deficiency of the p53/p63 target Perp alters mammary gland homeostasis and promotes cancer. Breast Cancer Research, 2012; 14 (2): R65 DOI: 10.1186/bcr3171

Cite This Page:

BioMed Central Limited. "Cellular 'glue' resists breast cancer." ScienceDaily. ScienceDaily, 20 April 2012. <www.sciencedaily.com/releases/2012/04/120420105543.htm>.
BioMed Central Limited. (2012, April 20). Cellular 'glue' resists breast cancer. ScienceDaily. Retrieved March 29, 2015 from www.sciencedaily.com/releases/2012/04/120420105543.htm
BioMed Central Limited. "Cellular 'glue' resists breast cancer." ScienceDaily. www.sciencedaily.com/releases/2012/04/120420105543.htm (accessed March 29, 2015).

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