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Characterization and functional study of a cluster of four highly conserved orphan adhesion-GPCR in mouse

Prömel, Simone, Waller-Evans, Helen ORCID:, Dixon, John, Zahn, Dirk, Colledge, William H., Doran, Joanne, Carlton, Mark B.L., Grosse, Johannes, Schöneberg, Torsten, Russ, Andreas P. and Langenhan, Tobias 2012. Characterization and functional study of a cluster of four highly conserved orphan adhesion-GPCR in mouse. Developmental Dynamics 241 (10) , pp. 1591-1602. 10.1002/dvdy.23841

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Adhesion G protein-coupled receptors (aGPCR) constitute a structurally and functionally diverse class of seven-transmembrane receptor proteins. Although for some of the members important roles in immunology, neurology, as well as developmental biology have been suggested, most receptors have been poorly characterized. Results: We have studied evolution, expression, and function of an entire receptor group containing four uncharacterized aGPCR: Gpr110, Gpr111, Gpr115, and Gpr116. We show that the genomic loci of these four receptors are clustered tightly together in mouse and human genomes and that this cluster likely derives from a single common ancestor gene. Using transcriptional profiling on wild-type and knockout/LacZ reporter knockin mice strains, we have obtained detailed expression maps that show ubiquitous expression of Gpr116, co-expression of Gpr111 and Gpr115 in developing skin, and expression of Gpr110 in adult kidney. Loss of Gpr110, Gpr111, or Gpr115 function did not result in detectable defects, indicating that genes of this aGPCR group might function redundantly. Conclusions: The aGPCR cluster Gpr110, Gpr111, Gpr115, and Gpr116 developed from one common ancestor in vertebrates. Expression suggests a role in epithelia, and one can speculate about a possible redundant function of GPR111 and GPR115.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Biosciences
Publisher: Wiley-Blackwell
ISSN: 1058-8388
Last Modified: 27 Oct 2022 09:38

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