Faculty Research 1990 - 1999

Localization of the tight junction protein gene TJP1 to human chromosome 15q13, distal to the Prader-Willi/Angelman region, and to mouse chromosome 7.

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Animal, Chromosome-Mapping, Chromosomes, Chromosomes-Human-Pair-15: ge, Human, Male, Membrane-Proteins: ge, Mice, Mice-Inbred-C57BL, Phosphoproteins: ge, Prader-Willi-Syndrome: ge, SUPPORT-NON-U-S-GOVT, SUPPORT-U-S-GOVT-NON-P-H-S, SUPPORT-U-S-GOVT-P-H-S

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Genomics 1995 Dec 10;30(3):594-7


The gene encoding the tight junction (zonula occludens) protein, TJP1, was mapped to human chromosome 15q13 by fluorescence in situ hybridization (FISH) using a cDNA probe. The Jackson Laboratory backcross DNA panel derived from the cross (C57BL/6JEi x SPRET/Ei) F1 females x SPRET/Ei males was used to map the mouse Tjp1 to chromosome 7 near position 30 on the Chromosome Committee Map, a region with conserved homology to human chromosome 15q13. FISH studies on metaphases from patients with the Prader-Willi (PWS) or the Angelman syndrome (AS) showed that TJP1 maps close but distal to the PWS/AS chromosome region.

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