ArticleAgents and actions1985
Histamine release from human basophils by pepstatin A.
Article in Agents and actions, 1985. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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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Who cites it
0 citing papers in PubMed, 3 citations in OpenAlex.
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Pepstatin A, a pentapeptide isolated from cultures of actinomycetes, induced histamine secretion from human basophils in the concentration range of 3 X 10(-7) to 10(-4) M. The characteristics of this reaction were similar to those of f-met-peptide-induced histamine release: pepstatin A-induced release required Ca2+ and the release reaction was complete within 2 min at 22 or 37 degrees C, but did not occur at 4 degrees C. Release by both pepstatin A and f-met-peptide was reversibly inhibited by two non-releasing analogs of f-met-peptide, CBZ-Phe-Met and BOC-Met-Leu-Phe. Further, there was complete cross-desensitization between pepstatin A and f-met-peptide, while cells desensitized to pepstatin A released normally with anti-IgE and vice versa. A variety of pharmacological agents had similar effects on both pepstatin A and f-met-peptide-induced release (e.g., no enhancement with D2O; marked enhancement with cytochalasin B). We suggest that pepstatin A induces histamine release from human basophils by activating a cell surface receptor(s), also activated by the synthetic tripeptide f-met-peptide.
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