Demonstration of immunochemical identity between the synaptic vesicle proteins synaptin and synaptophysin/p38 |
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| Authors: | H Gaardsvoll D Obendorf H Winkler E Bock |
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| Affiliation: | Research Center for Medical Biotechnology, University of Copenhagen, Denmark. |
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| Abstract: | The synaptic vesicle proteins synaptin and synaptophysin/p38 were shown to be immunochemically identical. Western immunoblot analysis of Triton X-100 extracts from rat brain showed that polyclonal polyspecific anti-synaptin antibodies and monoclonal antibody SY38 against synaptophysin both reacted with a band of 38 kDa. In two-dimensional immunoblots of chromaffin granule membranes from bovine adrenal medulla anti-synaptin and anti-synaptophysin antibodies also recognized the same component. Finally, in a Western immunoblotting experiment SY38 reacted with an immuno-isolated synaptin antigen. |
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