Barnes · Pharmacological reviews 2021 · narrative review · n=?

International Union of Basic and Clinical Pharmacology. CX. Classification of Receptors for 5-hydroxytryptamine; Pharmacology and Function.

Level 5 - mechanism / opinion, no new human data

Narrative review and expert consensus nomenclature report

PubMed 33370241 · doi:10.1124/pr.118.015552 · record verified 2026-08-26

What was done

This International Union of Basic and Clinical Pharmacology (IUPHAR) review synthesized the structural diversity, pharmacological profiles, physiological roles, and therapeutic applications across the 14 5-hydroxytryptamine (5-HT) receptor subtypes to establish an official nomenclature framework.

What was found

The abstract reports no numerical findings or quantitative effect sizes. It details the qualitative classification, bodily distribution, physiological functions, and therapeutic utility of the 14 5-HT receptor subtypes.

Why it matters

It provides the authoritative IUPHAR reference framework for serotonin receptor taxonomy and pharmacology, guiding drug discovery and target validation.

Limits

As a narrative review, it contains no new empirical human data, meta-analytic pooling, or quantitative outcome measures. Specific search methods and study selection criteria are not described in the abstract.