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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Yahara, I. Edelman, G. M. Rutishauser, U. |
| Abstract | Mouse B lymphocytes that were specifically bound to dinitrophenylated bovine serum albumin on nylon fibers exhibited continuous morphological changes, whereas bound T lymphocytes remained more or less spherical. Cinematomicrographic studies showed that the shape changes were associated with local and global movements, although the attached cells did not translocate along the fiber. Cap formation induced by anti-immunoglobulin was always found to be opposite to the point of attachment. The movements and the shape changes were prevented by cytochalasin B and colchicine. Treatment with these agents did not prevent cap formation but led to randomization of the position of the caps with respect to the fiber. Exposure to concanavalin A or attachment of cells to concanavalin A fibers prevented both movement and patch and cap formation, suggesting that cellular structures regulating the mobility of various receptors are altered by binding to concanavalin A fibers. These observations also indicate that interactions of local areas of the lymphocyte surface with certain ligands and substrates can strongly affect the movement and morphology of the entire cell. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 4 |
| Volume Number | 71 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1974-07-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | B-Lymphocytes Immunology Binding Sites, Antibody T-Lymphocytes Animals Antigen-Antibody Complex Antigen-Antibody Reactions Cytology Cell Fractionation Cell Membrane Cell Movement Colchicine Pharmacology Concanavalin A Cytochalasin B Dinitrophenols Ligands Lymphocyte Activation Drug Effects Mice Motion Pictures As Topic Nylons Serum Albumin, Bovine Vinblastine Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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