title: Immunohistochemical demonstration of S-100 protein in the brain neurosecretory cells of invertebrates (insects and earthworms).
abstract: This immunohistochemical study demonstrated the presence of S-100 protein (-like substance) in the nervous systems of some invertebrate animals. The immunoreactivity of S-100 protein was detected in some neurosecretory cells, but not in glial cells in the brains (cerebral ganglia) of silkworms, cockroaches and earthworms. The immunoreactive nerve fibers extended to the neurohemal organs. These results suggested the possibility that S-100 protein (-like substance) may act as a neurohormone or carrier protein in invertebrate animals.
authors.affiliation: Department of Applied Biology, Kyoto Institute of Technology, Japan.
authors.forename: Y
authors.initials: Y
authors.lastname: Endo
authors.forename: T
authors.initials: T
authors.lastname: Endo
mesh_terms: D000818:Animals; D012831:Bombyx / Q000378:metabolism*; D001921:Brain / Q000378:metabolism*; D003058:Cockroaches / Q000378:metabolism*; D007150:Immunohistochemistry; D009490:Neurosecretory Systems / Q000032:analysis*; D009835:Oligochaeta / Q000378:metabolism*; D009418:S100 Proteins / Q000032:analysis*
chemical_list: D009418:S100 Proteins