Abstract:
:We identify a new enzymatic activity underlying metastasis in breast cancer and describe its susceptibility to therapeutic inhibition. We show that human prune (h-prune), a phosphoesterase DHH family appertaining protein, has a hitherto unrecognized cyclic nucleotide phosphodiesterase activity effectively suppressed by dipyridamole, a phosphodiesterase inhibitor. h-prune physically interacts with nm23-H1, a metastasis suppressor gene. The h-prune PDE activity, suppressed by dipyridamole and enhanced by the interaction with nm23-H1, stimulates cellular motility and metastasis processes. Out of 59 metastatic breast cancer cases analyzed, 22 (37%) were found to overexpress h-prune, evidence that this novel enzymatic activity is involved in promoting cancer metastasis.
journal_name
Cancer Celljournal_title
Cancer cellauthors
D'Angelo A,Garzia L,André A,Carotenuto P,Aglio V,Guardiola O,Arrigoni G,Cossu A,Palmieri G,Aravind L,Zollo Mdoi
10.1016/s1535-6108(04)00021-2keywords:
subject
Has Abstractpub_date
2004-02-01 00:00:00pages
137-49issue
2eissn
1535-6108issn
1878-3686pii
S1535610804000212journal_volume
5pub_type
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