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Extracellular Acidification Related to the Stimulation of Catecholamines Release by Strontium in the Bovine Adrenal Medulla

Autor: J E B Pinto, P N Viglione, K Pereyra, C F Reyes-Toso

Publikováno v: Archives of Physiology and Biochemistry. 104:833-837

The possible modifications of extracellular pH associated with the secretion of catecholamines evoked by the introduction of 2.2 mM Sr2+ to a Ca(2+)-free, buffer-free, Locke solution were investigated in decorticated perfused bovine adrenal glands. A

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::65ebeafd655249b267e46ce8c8b01fe8
https://doi.org/10.1076/apab.104.7.833.13112

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The Blocking Effect of Magnesium on the Secretion of Adrenal Catecholamines Induced by the Omission of Sodium from the Extracellular Medium

Autor: J. E. B. Pinto

Publikováno v: Hormone and Metabolic Research. 11:404-407

The blocking action of Mg++ on catecholamine release induced by the substitution of extracellular Na+ by an osmotic equivalent amount of sucrose was studied in isolated, perfused bovine adrenal glands. Perfusing glands with 10 mM Mg++ produced at 51.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c21dbbd8d6e33ecdcd660c0211e5f201
https://doi.org/10.1055/s-0028-1092749

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Contrasting Effect of Verapamil on Catecholamine Release Induced by Acetylcholine and by Nacl-Omission from the Bovine Adrenal Medulla

Autor: J. E. B. Pinto, A. E. Domínguez, B. E. Fernández, A. Martinez-Seeber

Publikováno v: Archives Internationales de Physiologie et de Biochimie. 91:63-68

Verapamil (3 × 10-4 M) produced a 92.2 % inhibition on the release of catecholamines induced by acetylcholine in perfused bovine adrenal glands. This blocking effect was slowly reversible. On the other hand, verapamil (3 × 10-4 M) failed to antagon

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::627f1b35b0d15c1331c69c54f421f6b0
https://doi.org/10.3109/13813458309106481

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Action of a beta-bungarotoxin on autonomic ganglia and adrenergic neurotransmission

Autor: A. C. Kato, J. E. B. Pinto, B. Collier, M. Glavinović

Publikováno v: Canadian journal of physiology and pharmacology. 55(3)

A β-bungarotoxin was isolated from the venom of Bungarus multicinctus by column chromatography on Sephadex G-50 and SP-Sephadex. The toxin produced presynaptic effects on neuromuscular transmission with characteristics similar to those described by

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::969516089991d4d46102fcfbdd59afec
https://pubmed.ncbi.nlm.nih.gov/195692

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