ArticleNaunyn-Schmiedeberg's archives of pharmacology1994
Neurogenic chloride secretion induced by scorpion venom and veratrine in rabbit colon.
Article in Naunyn-Schmiedeberg's archives of pharmacology, 1994. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed, 1 citations in OpenAlex.
- The regulation of veratridine-stimulated electrogenic ion transport in mouse colon by neuropeptide Y (NPY), Y1 and Y2 receptors.British journal of pharmacology · 2005Article
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PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In earlier reconstitution experiments the venom of the scorpion Leiurus quinquestriatus, LQV, was shown to block Ca(2+)-activated high-conductance K+ channels from the basolateral cell membrane of rabbit colonocytes (Turnheim K, Costantin J, Chan S, Schultz SG (1989) J Membrane Biol 112:247-254). These LQV-sensitive K+ channels do not seem to be involved in active Na+ transport across rabbit colon, as absorptive Na+ fluxes were not significantly affected by serosal addition of LQV to isolated epithelia of rabbit descending colon. While Na+ absorption was not changed, LQV and veratrine caused electrogenic Cl- secretion in this tissue by a neural (tetrodotoxin sensitive) mechanism. The secretory effect of LQV was partly inhibited by atropine, suggesting the involvement of m-cholinoceptors, and by a VIP-antagonist. In contrast to the neurogenic secretion in the small intestine of guinea pig, rat and cat, 5-hydroxytryptamine (5-HT) does not seem to be involved in neurogenic secretion in rabbit colon, as 1) several 5-HT receptor antagonists did not inhibit the LQV effect with the exception of high concentrations of tropisetron, 2) exogenous 5-HT had no secretory effect, and 3) there was no significant release of 5-HT from the tissue during neurogenic secretion. The inhibitory effect of tropisetron on intestinal Cl- secretion seems to be unrelated to its property as a 5-HT3 receptor antagonist.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.