Human retina-specific amine oxidase (RAO): cDNA cloning, tissue expression, and chromosomal mapping

Yutaka Imamura, Ryo Kubota, Yimin Wang, Shuichi Asakawa, Jun Kudo, Yukihiko Mashima, Yoshihisa Oguchi, Nobuyoshi Shimizu

Research output: Contribution to journalArticle

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Abstract

In search of candidate genes for hereditary retinal disease, we have employed a subtractive and differential cDNA cloning strategy and isolated a novel retina-specific cDNA. Nucleotide sequence analysis revealed an open reading frame of 2187 bp, which encodes a 729-amino-acid protein with a calculated molecular mass of 80,644 Da. The putative protein contained a conserved domain of copper amine oxidase, which is found in various species from bacteria to mammals. It showed the highest homology to bovine serum amine oxidase, which is believed to control the level of serum biogenic amines. Northern blot analysis of human adult and fetal tissues revealed that the protein is expressed abundantly and specifically in retina as a 2.7-kb transcript. Thus, we considered this protein a human retina-specific amine oxidase (RAO). The RAO gene (AOC2) was mapped by fluorescence in situ hybridization to human chromosome 17q21. We propose that AOC2 may be a candidate gene for hereditary ocular diseases.

Original languageEnglish
Pages (from-to)277-283
Number of pages7
JournalGenomics
Volume40
Issue number2
DOIs
Publication statusPublished - 1997 Mar 1

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Amines
Retina
Organism Cloning
Oxidoreductases
Complementary DNA
Hereditary Eye Diseases
Proteins
Genes
Amine Oxidase (Copper-Containing)
Retinal Diseases
Inborn Genetic Diseases
Biogenic Amines
Human Chromosomes
Serum
Fluorescence In Situ Hybridization
Northern Blotting
Open Reading Frames
Sequence Analysis
Mammals
Fetus

ASJC Scopus subject areas

  • Genetics

Cite this

Imamura, Y., Kubota, R., Wang, Y., Asakawa, S., Kudo, J., Mashima, Y., ... Shimizu, N. (1997). Human retina-specific amine oxidase (RAO): cDNA cloning, tissue expression, and chromosomal mapping. Genomics, 40(2), 277-283. https://doi.org/10.1006/geno.1996.4570

Human retina-specific amine oxidase (RAO) : cDNA cloning, tissue expression, and chromosomal mapping. / Imamura, Yutaka; Kubota, Ryo; Wang, Yimin; Asakawa, Shuichi; Kudo, Jun; Mashima, Yukihiko; Oguchi, Yoshihisa; Shimizu, Nobuyoshi.

In: Genomics, Vol. 40, No. 2, 01.03.1997, p. 277-283.

Research output: Contribution to journalArticle

Imamura, Y, Kubota, R, Wang, Y, Asakawa, S, Kudo, J, Mashima, Y, Oguchi, Y & Shimizu, N 1997, 'Human retina-specific amine oxidase (RAO): cDNA cloning, tissue expression, and chromosomal mapping', Genomics, vol. 40, no. 2, pp. 277-283. https://doi.org/10.1006/geno.1996.4570
Imamura, Yutaka ; Kubota, Ryo ; Wang, Yimin ; Asakawa, Shuichi ; Kudo, Jun ; Mashima, Yukihiko ; Oguchi, Yoshihisa ; Shimizu, Nobuyoshi. / Human retina-specific amine oxidase (RAO) : cDNA cloning, tissue expression, and chromosomal mapping. In: Genomics. 1997 ; Vol. 40, No. 2. pp. 277-283.
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