veratrine and Neoplasm-Metastasis

veratrine has been researched along with Neoplasm-Metastasis* in 1 studies

Other Studies

1 other study(ies) available for veratrine and Neoplasm-Metastasis

ArticleYear
Adrenergic, cholinergic, and inactive human neuroblastoma cell lines with the action-potential Na+ ionophore.
    Cancer research, 1977, Volume: 37, Issue:5

    Cultured human neuroblastoma cell lines were assayed for biochemical characteristics of neuonal function. Cell lines studied included LA-N-1, LA-N-2, IMR-32, SK-N-SH, and SK-N-MC. Veratridine-dependent uptake of 22Na+ implied the presence of the action potential Na+ ionophore in LA-N-1, LA-N-2, IMR-32, and SK-N-SH. The time course of 22Na+ uptake and inhibition of uptake by tetrodotoxin supported this. SK-N-MC had no veratridine-dependent 22Na+ uptake. Tyrosine hydroxylase (EC 1.14.10.), glutamic acid decarboxylase (EC 4.1.1.15), and acetylcholine contents in neuroblastoma cells were compared to those in brain. LA-N-1 and IMR-32 contained 15 and 5 times as much tyrosine hydroxylase, respectively, whereas LA-N-2, SK-N-SH, and SK-N-MC contained only 0.5 to 5% of that in brain. Acetylcholine was present in -LA-N-2 in 15- to 20-fold greater quantities than in brain; other lines had only 10 to 50% of that in brain. None of the cell lines contained glutamic acid decarboxylase. Thus, continuously propogated human neuroblastoma cell lines may have the action potential Na+ ionophore and may be adrenergic (LA-N-1 and IMR-32), cholinergic (LA-N-2), or inactive (SK-N-SH and SK-N-MC). This is the first demonstration of the action potential Na+ ionophore and of acetylcholine production in human neuroblastoma cell lines.

    Topics: Acetylcholine; Action Potentials; Cell Line; Glutamate Decarboxylase; Humans; Ionophores; Neoplasm Metastasis; Neuroblastoma; Sodium; Sympathomimetics; Tyrosine 3-Monooxygenase; Veratrine

1977
chemdatabank.com