Chromosomal localization of the human proenkephalin and prodynorphin genes.

DNA probes derived from rat and human proenkephalin and prodynorphin genes have been used to localize these two opiate neuropeptide genes on human chromosomes. Hybridization of probes to Southern blots made with DNAs from a rodent-human somatic-cell hybrid panel indicates localization of proenkephalin to human chromosome 8 and of prodynorphin to human chromosome 20. In situ hybridization to metaphase chromosomes confirms these assignments and indicates regional localizations of proenkephalin to 8q23-q24 and of prodynorphin to 20p12-pter. A human genomic prodynorphin clone reveals a frequent two-allele TaqI polymorphism.

Related Organizations

Oregon Health & Science University
United States

Keywords

Genetic Markers, Chromosomes, Human, Pair 20, Chromosome Mapping, Nucleic Acid Hybridization, Enkephalins, Hybrid Cells, Mice, Cricetinae, Animals, Humans, Protein Precursors, Alleles, Polymorphism, Restriction Fragment Length, Chromosomes, Human, Pair 8

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