| Mapping the human liver/islet glucose transporter (GLUT2) gene within a genetic linkage map of chromosome 3q using a (CA)n dinucleotide repeat polymorphism and characterization of the polymorphism in three racial groups. | |
MedLine Citation:
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PMID: 1639377 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The human liver/islet glucose transporter (GLUT2), a candidate gene for diabetes, has been incorporated into a genetic linkage map for chromosome 3q using a (CA)n dinucleotide repeat polymorphism adjacent to the 3'-end of exon 4a. We have found a total of nine alleles ranging in length from 153 to 169 nucleotides in three racial groups and have determined the precise structure of the variable region for four of the alleles by DNA sequencing. Five alleles were found to be common to the American Black, Caucasian, and Pima Indian racial groups studied. One allele (169 bp) was unique to American Blacks, and another rare allele (153 bp) was found only in the Caucasian population studied. Observed heterozygosity of the polymorphism in the Caucasian (CEPH) reference pedigree collection is 60%, for American Blacks 71%, and for Pima Indians 53%. An independent study recently identified the same dinucleotide repeat and found six alleles in a Caucasian population (Froguel et al., 1991), a result that we confirm; however, our sequencing data indicate a different molecular structure for the polymorphism for some of the alleles. We have constructed a new genetic linkage map of chromosome 3q uniquely placing the GLUT2 gene between flanking markers D3S26 and D3S43. The genetic map consists of 23 loci (25 RFLPs and 2 (CA)n dinucleotide repeat markers) with 14 markers uniquely localized with odds of at least 1000:1. Three genes (FTHL4, TF, GLUT2) are integrated into the map, which spans a sex-average distance of 147.3 cM, 103.8 cM in males and 227.0 cM in females.(ABSTRACT TRUNCATED AT 250 WORDS) |
Authors:
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A Matsutani; A Hing; T Steinbrueck; R Janssen; J Weber; M A Permutt; H Donis-Keller |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S. |
Journal Detail:
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Title: Genomics Volume: 13 ISSN: 0888-7543 ISO Abbreviation: Genomics Publication Date: 1992 Jul |
Date Detail:
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Created Date: 1992-08-28 Completed Date: 1992-08-28 Revised Date: 2007-11-14 |
Medline Journal Info:
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Nlm Unique ID: 8800135 Medline TA: Genomics Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 495-501 Citation Subset: IM |
Affiliation:
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Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri 63110. |
| Data Bank Information | |
Bank Name/Acc. No.:
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GENBANK/M74209; M74210; M74211; M74212; M74213; M74214; M74215; M76673; S41308; S41693 |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Alleles Base Sequence Chromosome Mapping Chromosomes, Human, Pair 3* Continental Population Groups / genetics DNA / genetics Female Genetic Markers Humans Islets of Langerhans / metabolism Linkage (Genetics) Liver / metabolism Male Molecular Sequence Data Monosaccharide Transport Proteins / genetics* Polymorphism, Genetic Repetitive Sequences, Nucleic Acid |
| Grant Support | |
ID/Acronym/Agency:
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DK16746/DK/NIDDK NIH HHS; HG00304/HG/NHGRI NIH HHS; HG00469/HG/NHGRI NIH HHS |
| Chemical | |
Reg. No./Substance:
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0/Genetic Markers; 0/Monosaccharide Transport Proteins; 9007-49-2/DNA |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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