Key result
5-hydroxyindole (1 mM) enhanced the amplitudes of inward currents induced by agonists and markedly slowed down the desensitization of the 5-HT3 receptor-mediated ion current in neuroblastoma cells.
Why the study?
Does 5-hydroxyindole modify the 5-HT3 receptor-mediated ion current in N1E-115 neuroblastoma cells?
Does 5-hydroxyindole modify the 5-HT3 receptor-mediated ion current in N1E-115 neuroblastoma cells?
5-hydroxyindole selectively modifies the desensitization of the 5-HT3 receptor-mediated ion current in neuroblastoma cells.
Answers are grounded in this paper and cite their sources.
May inform 5-HT3 receptor pharmacology in vitro; leaves open translation to in vivo or clinical settings.
Effects of 5-hydroxyindole (5-OHi) on 5-HT3 receptor-operated ion current were investigated in voltage-clamped N1E-115 neuroblastoma cells. In the presence of 1 mM 5-OHi, the amplitudes of inward currents induced by the agonists 5-hydroxytryptamine (5-HT), 2-methyl-5-HT and dopamine were enhanced and desensitization of the responses was markedly slowed down. The results indicate that 5-OHi selectively modifies the desensitization of the 5-HT3 receptor-mediated ion current.
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Kooyman et al. (1993) studied N1E-115 neuroblastoma cells. 5-hydroxyindole (5-OHi) was evaluated on Amplitudes of inward currents and desensitization of responses. 5-hydroxyindole (1 mM) enhanced the amplitudes of inward currents induced by agonists and markedly slowed down the desensitization of the 5-HT3 receptor-mediated ion current in neuroblastoma cells.
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