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  • Title: Molecular cloning of a human cDNA IGSF3 encoding an immunoglobulin-like membrane protein: expression and mapping to chromosome band 1p13.
    Author: Saupe S, Roizès G, Peter M, Boyle S, Gardiner K, De Sario A.
    Journal: Genomics; 1998 Sep 15; 52(3):305-11. PubMed ID: 9790749.
    Abstract:
    We report the isolation and characterization of a novel cDNA IGSF3 that contains a 3648-bp open reading frame encoding an apparent immunoglobulin (Ig)-like membrane protein characterized by eight Ig domains. IGSF3 has an overall structural similarity and strong sequence similarity to V7, a human leukocyte surface protein. The IGSF3 mRNA is highly expressed in placenta, kidney, and lung, but is also present in a wide range of other human tissues. Although a small internal sequence of the IGSF3 cDNA hybridizes to a YAC derived from the centromeric region of chromosome 21, in situ hybridization experiments on human metaphase chromosomes show that the gene corresponding to the long cDNA that we cloned is located in chromosome band 1p13 and that related sequences are located on chromosomes 2 and 13. These data serve to emphasize the potential difficulties in transcriptional mapping in centromeric regions.
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