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- Title
Basal Cell Adhesion Molecule Is Inversely Associated with Apoptosis, but Plays a Limited Role for Protection against Apoptotic Stimuli.
- Authors
C. Drewniok; M. Schön; M.P. Schön
- Abstract
Basal cell adhesion molecule (B-CAM) is strongly upregulated in epithelial skin cancer cells in vivo and in vitro. We have tested here whether B-CAM is (1) inversely associated with or (2) functionally involved in apoptosis. Towards this end, B-CAM expression was assessed in HaCaT transfectants overexpressing murine Bcl-2 and untransfected HaCaT cells exposed to various proapoptotic stimuli. In another series of experiments, we overexpressed B-CAM in HaCaT cells and different fibroblast lines, and stimulated various apoptotic pathways in the transfectants and control cells. In addition, apoptosis was assessed after an antibody-mediated B-CAM blockade. We could demonstrate that expression of B-CAM is inversely associated with the susceptibility of cells to apoptosis. However, overexpression or antibody- mediated inhibition of B-CAM had only limited functional effects on cellular apoptosis.Copyright © 2004 S. Karger AG, Basel
- Subjects
CELL adhesion molecules; EPITHELIAL cells; SKIN cancer; APOPTOSIS; IMMUNOGLOBULINS; FIBROBLASTS
- Publication
Skin Pharmacology & Physiology, 2004, Vol 17, Issue 6, p304
- ISSN
1660-5527
- Publication type
Academic Journal
- DOI
10.1159/000081116