Peripheral signaling pathways contributing to non-histaminergic itch in humans

Andrea Fiebig, Victoria Leibl, David Oostendorf, Saskia Lukaschek, Jens Frömbgen, Maral Masoudi, Andreas E Kremer, Marion Strupf, Peter Reeh, Miriam Düll, Barbara Namer · 2023

Read Peripheral signaling pathways contributing to non-histaminergic itch in humans by Andrea Fiebig, Victoria Leibl, David Oostendorf, Saskia Lukaschek, Jens Frömbgen, Maral Masoudi, Andreas E Kremer, Marion Strupf, Peter Reeh, Miriam Düll, Barbara Namer (2023) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-10717026.txt.

Description

Andrea Fiebig, Victoria Leibl, David Oostendorf, and eight colleagues probe itch that histamine does not explain in this two thousand twenty-three human study. Chronic itch is an unsolved treatment problem, and how outer nerves tell such itch from pain was unclear. Healthy volunteers received three itch-causing substances, beta-alanine, BAM 8-22, and cowhage extract, while the team paired felt ratings with microneurography, recordings from single nerve fibers.

How a substance was applied changed the itch-to-pain balance for two of the three agents. A prostaglandin pre-injection boosted the pain part for one agent only. Two channel proteins, TRPV1 and TRPA1, proved needed for itch from all three. Single-fiber recordings showed firing patterns for each substance, with different slow bursting patterns. The authors conclude there is no single labeled line for itch in humans; each agent uses its own mix of paths.

Catalog record

CREATORAndrea Fiebig, Victoria Leibl, David Oostendorf, Saskia Lukaschek, Jens Frömbgen, Maral Masoudi, Andreas E Kremer, Marion Strupf, Peter Reeh, Miriam Düll, Barbara Namer
YEAR2023
COLLECTIONPAPERS
FORMATTXT
FILE SIZE75 KB
VERSION1.0
LICENSECC BY 4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/articles/PMC10717026

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