RGD Reference Report - Cloning, mRNA distribution and chromosomal localisation of the gene for glial cell line-derived neurotrophic factor receptor beta, a homologue to GDNFR-alpha. - Rat Genome Database

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Cloning, mRNA distribution and chromosomal localisation of the gene for glial cell line-derived neurotrophic factor receptor beta, a homologue to GDNFR-alpha.

Authors: Suvanto, P  Wartiovaara, K  Lindahl, M  Arumae, U  Moshnyakov, M  Horelli-Kuitunen, N  Airaksinen, MS  Palotie, A  Sariola, H  Saarma, M 
Citation: Suvanto P, etal., Hum Mol Genet 1997 Aug;6(8):1267-73.
RGD ID: 632691
Pubmed: PMID:9259272   (View Abstract at PubMed)

Glial cell line-derived neurotrophic factor (GDNF) is a potent survival factor for central dopaminergic neurons, motor neurons and several other populations of neurons in the central and peripheral nervous system. GDNF and its receptor complex of c-RET tyrosine kinase and a glycosyl-phosphatidylinositol linked protein GDNFR-alpha are of great interest due to their potential use in the therapy of Parkinson's and motoneuron diseases. We have cloned the human and rat cDNA sequences of GDNFR-beta, a new gene encoding for a 464 amino acid long homologue of GDNFR-alpha, and assign the locus of this new gene to human chromosome 8p21-22 and mouse chromosome 14D3-E1. Similarly to GDNFR-alpha, GDNFR-beta mediates GDNF-induced Ret autophosphorylation in transfected cells. By northern hybridisation we show that the transcript level of human GDNFR-beta mRNA is high in the adult brain, intestine and placenta and in fetal brain, lung and kidney. Studied by in situ hybridisation, GDNFR-beta mRNA shows in E17 rat embryo different distribution to that of GDNFR-alpha mRNA, especially, in adrenal gland, kidney and gut. In the developing nervous system, GDNFR-beta mRNA expression is restricted to certain neuronal populations, while GDNFR-alpha mRNA is widely expressed also in non-neuronal cells. The distinct tissue distribution of GDNFR-beta mRNA and its ability to mediate GDNF signal in transfected cells suggest a role in signal transduction of GDNF and, possibly, related neurotrophic factors in vivo.



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Gene Gfra2 GDNF family receptor alpha 2 Rattus norvegicus