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 <title>Arsenic-based Therapy Shown To Help Eradicate Leukemia-initiatin...</title>
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 <description>&lt;p&gt;In a paradoxical discovery, scientists have found that a tumor suppressor protein known as PML appears to be the factor that enables leukemia initiating cells to maintain their quiescence -- the inert state that protects them from being destroyed by cancer therapies.&lt;img src=&quot;http://feeds.sciencedaily.com/~r/sciencedaily/~4/288781661&quot; height=&quot;1&quot; width=&quot;1&quot; /&gt;&lt;/p&gt;
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 <pubDate>Mon, 12 May 2008 13:30:13 -0500</pubDate>
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