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Azizi AA , Gelpi E , Yang JW , Rupp B , Godwin AK , Slater C , Slavc I , Lubec G
Mass spectrometric identification of serine hydrolase OVCA2 in the medulloblastoma cell line DAOY
CANCER LETTERS. 2006 Sep;241(2) :235-249
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OVCA2 is a putative serine-hydrolase. Performing protein profiling in human tumour cell lines, OVCA2 was detected in DAOY medulloblastoma cells as a high abundance protein. The protein was unambiguously identified by 2D gel-electrophoresis and MALDI-MS and MS/MS, its presence was confirmed by western blotting. Immunohistochemistry revealed expression in medulloblastoma and predominantly in oligodendrocytes. Computational approaches predicted functional motifs and domains, interaction with apoptosis-related protein BAG and 3D structure. In addition to the presence of OVCA2 in medulloblastoma, it was furthermore detectable in three out of 10 human tumour cell-lines as a high abundance protein probably suggesting a role in the tumour biology. (c) 2005 Elsevier Ireland Ltd. All rights reserved.
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