C Cherdchu

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The cytoarchitecture of the superior cervical ganglion of the common tree shrew was investigated by scanning electron microscopy using the vascular cast technique in conjunction with digestion by collagenase-hyaluronidase/HCl. The main cellular constituents were found to be multipolar neurons that were densely distributed throughout the ganglion. These(More)
Stimulation of chromaffin cells in culture with 1,1-dimethyl-4-phenylpiperazinium (DMPP) or depolarizing concentrations of K+ resulted in a significant secretion of high and low molecular weight enkephalin-like peptides (ELPs) into the culture medium. BioGel P-10 column chromatography was used to characterize the ELPs in chromaffin cell extracts and in(More)
The catecholamines and the opioid peptides are found to be co-localized in the adrenomedullary chromaffin cells. They are co-secreted from the chromaffin granules in response to various stimuli. The stress-induced released of epinephrine is known to exert its effect on the cardiovascular system resulting in the changes in heart rate and blood pressure.(More)
Acute stimulation of chromaffin cells in cultures with acetylcholine (ACh), 1,1-dimethyl-4-phenylpiperazinium (DMPP), or high potassium gave rise to a significant increase in the release of [Met5]-enkephalin immunoreactive material (ME-IRM) into the assay medium. The cellular content of ME-IRM following the actual release induced by these secretagogues(More)
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