Revisiting Ubiquity and Tissue Specificity of Human Calpains
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A. Farkas
Abstract
The abundance of mRNAs transcribed from human genes of the calpain superfamily was studied in 72 human tissues and cell types by the Human Multiple Tissue Expression (MTE™) Array technique. The analysis included the large subunits of u- and m-calpains, the small subunits, calpastatin and calpain 3 (p94). Besides specific data on transcriptional activity, two major conclusions emerged: (i) ubiquitous calpains are not expressed in all cell types, and (ii) a 'tissue-specific' calpain may be expressed in many cell types apart from the one in which it is particularly abundant. Therefore, the categoric classification of ubiquitous vs. 'tissue-specific' calpains is a simplification.
Copyright © 2003 by Walter de Gruyter GmbH & Co. KG
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Articles in the same Issue
- Vito Turk – 30 Years of Research on Cysteine Proteases and Their Inhibitors
- Family C1 Cysteine Proteases: Biological Diversity or Redundancy?
- Molecular Regulation of Human Cathepsin B: Implication in Pathologies
- Caspases and Neuronal Development
- Structural Basis of the Matrix Metalloproteinases and Their Physiological Inhibitors, the Tissue Inhibitors of Metalloproteinases
- Managing Peptidases in the Genomic Era
- Insights into the Roles of Cathepsins in Antigen Processing and Presentation Revealed by Specific Inhibitors
- Cleavage Site Specificity of Cathepsin K toward Cartilage Proteoglycans and Protease Complex Formation
- Toward Computer-Based Cleavage Site Prediction of Cysteine Endopeptidases
- Isolation and Characterization of a Novel and Potent Inhibitor of Arg-Gingipain from Streptomyces sp. Strain FA-70
- Procongopain from Trypanosoma congolense Is Processed at Basic pH: An Unusual Feature among Cathepsin L-Like Cysteine Proteases
- Attenuated Kinin Release from Human Neutrophil Elastase-Pretreated Kininogens by Tissue and Plasma Kallikreins
- Effect of Plant Kunitz Inhibitors from Bauhinia bauhinioides and Bauhinia rufa on Pulmonary Edema Caused by Activated Neutrophils
- Revisiting Ubiquity and Tissue Specificity of Human Calpains
- The Calpastatin-Derived Calpain Inhibitor CP1B Reduces mRNA Expression of Matrix Metalloproteinase-2 and -9 and Invasion by Leukemic THP-1 Cells
- Heat Stress-Dependent DNA Binding of Arabidopsis Heat Shock Transcription Factor HSF1 to Heat Shock Gene Promoters in Arabidopsis Suspension Culture Cells in vivo
- T47-D Cells and Type V Collagen: A Model for the Study of Apoptotic Gene Expression by Breast Cancer Cells