Histamine H4 receptor

HRH4
Identifiers
Aliases	HRH4, AXOR35, BG26, GPCR105, GPRv53, H4, H4R, HH4R, histamine receptor H4
External IDs	OMIM: 606792 MGI: 2429635 HomoloGene: 11002 GeneCards: HRH4
Gene ontology Molecular function • G-protein coupled receptor activity • signal transducer activity • histamine receptor activity Cellular component • integral component of membrane • membrane • plasma membrane Biological process • positive regulation of cytosolic calcium ion concentration • G-protein coupled receptor signaling pathway • regulation of MAPK cascade • signal transduction • inflammatory response Sources:Amigo / QuickGO
Orthologs
Species	Human	Mouse
Entrez	59340	225192
Ensembl	ENSG00000134489	ENSMUSG00000037346
UniProt	Q9H3N8	Q91ZY2
RefSeq (mRNA)	NM_001143828 NM_001160166 NM_021624	NM_153087
RefSeq (protein)	NP_001137300 NP_001153638 NP_067637	NP_694727.1 NP_694727
Location (UCSC)	Chr 18: 24.46 – 24.48 Mb	Chr 18: 13.01 – 13.02 Mb
PubMed search

59340

225192

ENSG00000134489

ENSMUSG00000037346

Q9H3N8

Q91ZY2

NM_001143828
NM_001160166
NM_021624

NM_153087

NP_001137300
NP_001153638
NP_067637

NP_694727.1
NP_694727

The histamine H₄ receptor is, like the other three histamine receptors, a member of the G protein-coupled receptor superfamily.

H₄ is highly expressed in bone marrow and white blood cells and regulates neutrophil release from bone marrow and subsequent infiltration in the zymosan-induced pleurisy mouse model. It is also expressed in the colon, liver, lung, small intestine, spleen, testes, thymus, tonsils, and trachea.

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