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Caught in the act: Researchers capture key moments in cell death
Date:2/2/2013

botar said. "Bax is activated when small protein fragments called BH3-peptides bind to it. We saw that these peptides open up the Bax molecule like a key unlocking a padlock. This unlocked form of Bax can bind to another Bax molecule, which can then form larger Bax complexes that can go on to break up membranes in the cell.

"As well as explaining the detail of how cell death occurs, our research could provide clues about how to design potential new therapeutic agents that target Bax," Dr Czabotar said. "Now that we can see how Bax changes its shape to move from the inactive to the active form, it may be possible to block Bax activation, to prevent cell death in conditions such as neurodegenerative disorders, where illness is caused by excessive cell death. Similarly, agents that drive Bax into its active form could force immortal cells such as cancer cells to die, providing the basis for a potential new class of anti-cancer agents."


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Contact: Vanessa Solomon
solomon@wehi.edu.au
61-393-452-971
Walter and Eliza Hall Institute
Source:Eurekalert  

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