ArticleBritish journal of pharmacology2002
Regulation of the avidity of ternary complexes containing the human 5-HT(1A) receptor by mutation of a receptor contact site on the interacting G protein alpha subunit.
Article in British journal of pharmacology, 2002. 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.
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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.
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Who cites it
1 citing paper in PubMed, 5 citations in OpenAlex.
- The serotonin 5-HT7 receptors: two decades of research.Experimental brain research · 2013Review
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
1 Fusion proteins were constructed between the human 5-HT(1A) receptor and pertussis toxin-resistant forms of both G(i1)alpha and G(o1)alpha mutated at residue(351) from cysteine to either glycine or isoleucine. Each of these was expressed stably in HEK293 cells. 2 Increasing concentrations of GDP inhibited binding of the agonist [(3)H]-8-OH-DPAT but not the antagonist [(3)H]-MPPF to each construct. 3 The IC(50) for GDP was greater for constructs containing isoleucine at residue(351) of the G proteins compared to those with glycine at this position. 4 The G protein antagonist suramin had similar effects to GDP on the binding of [(3)H]-8-OH-DPAT. 5 The proportion of 5-HT(1A) receptor binding sites detected by [(3)H]-MPPF that displayed high affinity for 8-OH-DPAT was significantly greater when the interacting G protein contained isoleucine rather than glycine at residue(351). 6 The 5-HT(1A) receptor displayed similar avidity of interaction with G(i1)alpha and G(o1)alpha. 7 These results indicate that a higher avidity ternary complex is formed between 8-OH-DPAT, the 5-HT(1A) receptor and G proteins when isoleucine rather than glycine is located at residue(351) of the interacting G protein.
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