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Studies were performed to bring out a serotoninergic involvement in physostigmine tremor, hitherto known to be working via the cholinergic system. 5-Hydroxytryptamine (5-HT) was estimated fluorimetrically after isolation on Sephadex G-10 and acetylcholinesterase (AChE) was assayed spectrophotometrically. The dose-dependent tremor was quantified by a(More)
Effects of acute and chronic administration of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) were investigated for dopamine (DA) and its metabolites, 3,4-dihydroxyphenylacetic acid and 4-hydroxy-3-methoxyphenylacetic acid, in nucleus caudatus putamen (NCP), limbic system, and substantia nigra (SN) of golden hamster and BALB/c and C57/BL mice to obtain(More)
Parvoviruses are a diverse group of viruses containing some of the smallest known species that are capable of infecting a wide range of animals. Metagenomic sequencing of pooled rectal swabs from adult pigs identified a 4103-bp contig consisting of two major open reading frames encoding proteins of 672 and 469 amino acids (aa) in length. BLASTP analysis of(More)
Behavioural and neurochemical effects of acute 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) treatment in mice have been studied in order to determine the change in the neurotransmitter profile of the following areas of the brain: substantia nigra (SN), nucleus caudatus putamen (NCP), limbic system (LS; tuberculum olfactorium and nucleus accumbens),(More)
Viral neoplasms in commercial poultry are mainly caused by members of two families with Marek’s disease virus (MDV) belonging to Herpesviridae and reticuloendotheliosis virus (REV), avian leukosis virus subgroups A to E and avian leukosis virus subgroup J (ALV-J) belonging to Retroviridae. This study was conducted to know the status of neoplasms caused by(More)
A child of first-cousin Puerto Rican parents had global developmental delay, failure to thrive, and hypotonia since early infancy. At 1 1/2 years of age, she developed clinical and electrophysiologic evidence of progressive motor and sensory neuropathy. At 2 1/2 years, she developed visual impairment and optic atrophy followed by gradual involvement of the(More)
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