Target intelligence / Profile preview

Histamine Receptor H4 (H4)

Target
H4
Molecular classification
G protein-coupled receptor (GPCR), Receptor, Class A GPCR
01

Overview

The Histamine Receptor H4 (H4) is an immunoregulatory G protein-coupled receptor (GPCR) primarily expressed on hematopoietic and immune system cells. It plays a crucial role in inflammation and allergy pathways by controlling immune cell migration, recruitment, and activation. This makes it a promising therapeutic target for anti-inflammatory therapies targeting allergic conditions, asthma, chronic itch, autoimmune diseases, and other inflammatory disorders.

Other names
HRH4
02

Mechanism of action

Agonism or antagonism of H4 receptor to modulate immune cell migration and activation.

03

Biological functions

Immune regulationChemotaxisCell migrationInflammatory responseSignal transductionActin polymerizationCytokine productionDendritic cell activationT cell differentiation
04

Disease associations

Allergic conditionsAsthmaChronic itch/pruritusAutoimmune diseasesInflammatory disorders
05

Interacting drugs

JNJ 7777120

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