Immunhistochemical Analysis for Expression of Calpain 1, Calpain 2 and Calpastatin in Endometrial Cancer
Calpains (CAPN) are intracellular, non-lysosomal cytoplasmic cysteine endopeptidases and they are expressed ubiquitously. Their endogenous specific inhibitor is calpastatin. When calcium is present, calpastatin and calpain attach to each other, inhibiting the protease. The calpain system plays an im...
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Published in | Anticancer research Vol. 30; no. 7; pp. 2837 - 2843 |
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Main Authors | , , , , , , , , |
Format | Journal Article |
Language | English |
Published |
Attiki
International Institute of Anticancer Research
01.07.2010
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Subjects | |
Online Access | Get full text |
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Summary: | Calpains (CAPN) are intracellular, non-lysosomal cytoplasmic cysteine endopeptidases and they are expressed ubiquitously. Their endogenous specific inhibitor is calpastatin. When calcium is present, calpastatin and calpain attach to each other, inhibiting the protease. The calpain system plays an important role in many processes including apoptosis, necrosis, ischaemia and exocytosis. The role of calpains in pathogenesis or further tumour progression has been proved in related studies. This study focused on the expression of the enzymes calpain 1, calpain 2 and the inhibitor calpastatin in normal and malignant endometrial tissue.
Immunohistochemical stainings were performed on paraffin slices and staining intensity, percentage of positive cells and international ratio score were evaluated.
The endometrial carcinoma showed a higher expression of calpastatin than benign endometrial tissue. |
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Bibliography: | ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 ObjectType-Article-2 ObjectType-Feature-1 |
ISSN: | 0250-7005 1791-7530 |