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VIB-K.U. Leuven scientists clear the way to alternative anti-angiogenic cancer therapy
Date:1/7/2011

ugs can be delivered more efficiently.

Histidine-rich glycoprotein (HRG)

Charlotte Rolny, Max Mazzone and their colleagues from the VIB Vesalius Research Center, K.U.Leuven, have under the direction of Peter Carmeliet and in collaboration with VIB researchers from the Vrije Universiteit Brussel and colleagues from Sweden studied the mechanism behind the known anti-cancer activity of the protein HRG. The results of their experiments show that HRG, a protein distributed in the tumor stroma, displays anti-cancer activity by combating tumor progression and spread and stimulating normalization of tumor blood vessels. The underlying basis of this action is the capacity of HRG to suppress the angiogenic factor PlGF.

Towards an alternative cancer therapy

Revealing the mechanism behind the anti-cancer activity of HRG opens up new horizons for cancer treatment. The larger a tumor becomes, the higher its oxygen requirement. However, the tumor vessels that are formed are abnormal in shape, leading to poor blood and oxygen flow. This oxygen shortage stimulates cancer cell metastasis. Stimulating HRG in the tumor stroma counters tumor progression and spread while at the same time being conducive to normalization of tumor blood vessels which enhances the efficacy of chemotherapy. Moreover, these data also support eliminating PlGF for the treatment of cancer.


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Contact: Joris Gansemans
joris.gansemans@vib.be
32-924-46611
VIB (the Flanders Institute for Biotechnology)
Source:Eurekalert

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