Abstract:
:The frizzled (fz) locus in Drosophila is required for the transmission of polarity signals across the plasma membrane in epidermal cells, as well as to their neighboring cells in the developing wing. The identification of a tissue polarity gene from the fz locus in Drosophila melanogaster has been reported. The fz gene encodes a protein (Fz) with seven putative transmembrane domains, which was suggested to function as a G-protein-coupled receptor. Here we report the identification of a human homologue for the fz gene (FZD2). The FZD2 gene was isolated from a human ovarian cDNA library and mapped to 17q21.1 by fluorescent in situ hybridization (FISH) with a corresponding cosmid. The full-length cDNA of human FZD2 encodes a protein (FZD-2) of 565 amino acids that shares 56% sequence identity with Drosophila Fz. The expression of the FZD2 gene seems to be developmentally regulated, with high levels of expression in fetal kidney and lung and in adult colon and ovary. The structure of FZD-2 suggests that it has a role in transmembrane signal transmission, although its precise physiological function and associated pathways are yet to be determined.
journal_name
Genomicsjournal_title
Genomicsauthors
Zhao Z,Lee CC,Baldini A,Caskey CTdoi
10.1006/geno.1995.1060subject
Has Abstractpub_date
1995-05-20 00:00:00pages
370-3issue
2eissn
0888-7543issn
1089-8646pii
S0888-7543(85)71060-9journal_volume
27pub_type
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