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Expression and function of the neurotransmitter serotonin during development of the Helisoma nervous system.
Exogenous serotonin has been shown to evoke a neuron-selective inhibition of neurite outgrowth and synaptogenesis in identified Helisoma neurons in vitro. We demonstrate here that serotonin isExpand
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Construction of epithelioid sheets by transfection of mouse sarcoma cells with cDNAs for chicken cell adhesion molecules.
Pleiomorphic mouse sarcoma S180 cells were transfected with cDNAs for the liver cell adhesion molecule (L-CAM), the neural cell adhesion molecule (N-CAM), or both CAMs. Transfected cells expressedExpand
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Neurite branch development of an identified serotonergic neuron from embryonic Helisoma: evidence for autoregulation by serotonin.
Previous studies have shown that in select neurons, neurite outgrowth can be regulated by the same neurotransmitter that is synthesized and released by those neurons. However, it is not known whetherExpand
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cDNAs of cell adhesion molecules of different specificity induce changes in cell shape and border formation in cultured S180 cells
The liver cell adhesion molecule (L-CAM) and N-cadherin or adherens junction-specific CAM (A-CAM) are structurally related cell surface glycoproteins that mediate calcium-dependent adhesion inExpand
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Signal transduction mechanisms mediating secretion in goldfish gonadotropes and somatotropes.
The intracellular signal transduction mechanisms mediating maturational gonadotropin and somatotropin secretion in goldfish are reviewed. Several major signaling mechanisms, including changes inExpand
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Serotonin activation of a cyclic AMP-dependent sodium current in an identified neuron from Helisoma trivolvis
The mechanisms by which neurotransmitters regulate neurite extension and growth cone motility have been extensively studied using identified Helisoma neurons regenerating in cell culture. SpecificExpand
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Evidence for FMRF-amide as a neurotransmitter in the gill of Aplysia californica
In Aplysia californica, multiple regulatory mechanisms are involved in the actions of neurotransmitters on the gill. Neurotransmitter receptors and adenylate cyclase were examined in a particulateExpand
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Quantification and cellular localization of dopamine in the salivary gland of the ixodid tick Amblyomma hebraeum
Dopamine (DA) content of the salivary glands in partially fed female and fed male ticks, Amblyomma hebraeum Koch (Acari: Ixodidae), was measured by high-performance liquid chromatography withExpand
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Postembryonic expression of the serotonin phenotype in Helisoma trivolvis: comparison between laboratory-reared and wild-type strains
In a laboratory-reared albino strain of the snail Helisoma trivolvis, the number of neurons expressing the serotonin phenotype increases markedly during postembryonic life. To address whether theseExpand
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Morphological identification of live gonadotropin, growth-hormone, and prolactin cells in goldfish (Carassius auratus) pituitary-cell cultures
To better understand neuroendocrine regulation and the intracellular mechanisms mediating pituitary-hormone release, it is necessary to study the physiology of identified single cells. We haveExpand
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