Presence of meprobamate-like molecules in rat neuromuscular junction. Immunohistochemical demonstration at light- and electron-microscopic levels

Tonda, A.; Garcia-Cordovilla, R.; Martinez-Rodriguez, R.

Cellular and Molecular Biology 37(2): 149-154

1991


ISSN/ISBN: 0145-5680
PMID: 1878923
Document Number: 383976
The localization of meprobamate-like (MPB-like) molecules in the neuromuscular junction of rats has been investigated at light- and electron- microscopic levels with the peroxidase-antiperoxidase (PAP) immunohistochemical method, using a purified antiserum obtained from rabbits immunized with a meprobamate-bovine serum albumin (MPB-BSA) conjugate. The immunoreaction was found surrounding synaptic vesicles and in protuberant deposits situated in the post-synaptic membrane. These facts suggest the existence of endogenous MPB-like molecules in neuromuscular junction and that the immunostained protuberant deposits should mark the receptors of those molecules.

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