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Myc inhibition is an effective therapeutic strategy against most aggressive brain tumors
Date:8/18/2014

ich there are no effective treatments, whereby an Omomyc solution could make all the difference. We also aimed to reveal new insights into the mechanism of action of Omomyc in tumor cells." It seems that Soucek's group has now found answers to all these questions. "All our efforts must now concentrate on finding a means for its pharmacological administration. Based on our research currently underway, we have every reason to be optimistic" asserts Soucek.

A novel therapy for the most common and aggressive brain tumor

After four years exhaustive research, these latest results bring more good news and with them, preclinical Myc inhibition has also been validated as a therapeutic strategy against astrocytoma, a type of glioma, in vivo in mouse models and in vitro in stem cells of these tumors. In these models, which develop advanced brain tumors with clear neurological symptoms, treatment with the Omomyc transgene drastically reduces tumors and improves the associated symptoms until the mouse recovers and starts to act completely normally. Mice treated with Omomyc survived, whereas those without, did not. "We did not stop there," explains Soucek, "we applied therapy with Omomyc to both human glioblastoma cell lines and mice with patient-derived tumor xenografts that faithfully recapitulate human tumors." The therapeutic impact of Omomyc lies in its structure, which is similar to that of Myc, making it possible to block the transcription of genes controlled by this protein. Myc inhibition leads to "defects" in tumor cells and often results in their death by inducing mitotic aberrations, thus halting normal cell division.

"Our results undoubtedly show that Myc inhibition is effective in mouse tumors and, more notably, in human glioma." she explains. The group has demonstrated the additional therapeutic potential of Omomyc thanks to their clinically orientated approach aimed against the most common and aggressive primary tumor to affect the adult centr
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Contact: Amanda Wren
awren@vhio.net
34-695-207-886
Vall dHebron Institute of Oncology
Source:Eurekalert  

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