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The effects of human recombinant tumor necrosis factor (TNF-alpha) on the synaptic transmission were studied in rat hippocampal slices by using extracellular field potential recordings. Population spikes and/or excitatory postsynaptic potentials were extracellularly recorded in hippocampus CA1 region from stratum pyramidale and stratum radiatum,(More)
The mutant mouse spastic (spa) develops a characteristic motor disorder about 2 weeks after birth, with symptoms resembling sublethal poisoning by the glycinergic antagonist strychnine. Correspondingly, adult homozygotic mutants (spa/spa) exhibit a severe reduction of inhibitory glycine receptors in spinal cord and brain. Here we show that the spastic(More)
Human small-cell lung carcinoma (SCLC) cells express neuronal-like voltage-operated calcium channels (VOCCs) and release mitogenic hormones such as serotonin (5-HT). Opioid peptides, on the other hand, have been shown to reduce SCLC cell proliferation by an effective autocrine pathway. Here we show that in GLC8 SCLC cells, only delta-opioid receptor subtype(More)
Neuronal nicotinic receptors (nAchRs) have been isolated or cloned in insect, bird and mammalian neurons, but no information exists on the primary structure of human neuronal nAchRs. By screening a cDNA library from the human neuroblastoma cell line IMR 32 with a cDNA probe corresponding to the full length of rat alpha 3-nicotinic subunit, we have(More)
Stuttering is an abnormality in the fluency of speech, which is characterized by interruption of the normal rhythm due to involuntary repetition and prolongation, or arrest, of uttered letters or syllables. The aphasic syndrome and dysarthria can be associated with classic migraine, but, to our knowledge, no study has so far described stuttering as the only(More)
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