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Identification of HIV type 2 subtype B transmission in East Asia. 2003

Shigeru Kusagawa, and Yuko Imamura, and Akira Yasuoka, and Hiroo Hoshino, and Shin-Ichi Oka, and Yutaka Takebe
Laboratory of Molecular Virology and Epidemiology, AIDS Research Center, National Institute of Infectious Diseases, Tokyo, Japan.

We isolated an HIV-2 strain (01JP-IMCJ/KR020) from a Korean patient who has lived in Japan for the past 6 years. He was infected with HIV-2 through heterosexual contacts in either Korea or Japan. The phylogenetic analyses based on the near full-length nucleotide sequence revealed that 01JP-IMCJ/KR020 belongs to HIV-2 subtype B cluster with high bootstrap support. This isolate harbors a 13-nucleotide insertion upstream of the NF-KB site, which is one of the sequence signatures specific to HIV-2 subtype B. This represents the first report of HIV-2 subtype B transmission in East Asia; three cases of HIV-2 subtype A infection have been reported in Korea in 1991-1998. This suggests that at least sporadic transmission of HIV-2, including both subtypes A and B, occurs in East Asia. It is necessary to keep monitoring HIV-2 to see whether there is an increasing trend toward HIV-2 infection in this particular area in Asia.

UI MeSH Term Description Entries
D008297 Male Males
D008969 Molecular Sequence Data Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories. Sequence Data, Molecular,Molecular Sequencing Data,Data, Molecular Sequence,Data, Molecular Sequencing,Sequencing Data, Molecular
D005202 Asia, Eastern A geographic area of east and southeast Asia encompassing CHINA; HONG KONG; JAPAN; KOREA; MACAO; MONGOLIA; and TAIWAN. East Asia,Far East,Eastern Asia
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D001483 Base Sequence The sequence of PURINES and PYRIMIDINES in nucleic acids and polynucleotides. It is also called nucleotide sequence. DNA Sequence,Nucleotide Sequence,RNA Sequence,DNA Sequences,Base Sequences,Nucleotide Sequences,RNA Sequences,Sequence, Base,Sequence, DNA,Sequence, Nucleotide,Sequence, RNA,Sequences, Base,Sequences, DNA,Sequences, Nucleotide,Sequences, RNA
D015498 HIV-2 An HIV species related to HIV-1 but carrying different antigenic components and with differing nucleic acid composition. It shares serologic reactivity and sequence homology with the simian Lentivirus SIMIAN IMMUNODEFICIENCY VIRUS and infects only T4-lymphocytes expressing the CD4 phenotypic marker. HTLV-IV,Human T-Lymphotropic Virus Type IV,Human immunodeficiency virus 2,LAV-2,HIV-II,Human Immunodeficiency Virus Type 2,Human T Lymphotropic Virus Type IV,Immunodeficiency Virus Type 2, Human,SBL-6669
D015658 HIV Infections Includes the spectrum of human immunodeficiency virus infections that range from asymptomatic seropositivity, thru AIDS-related complex (ARC), to acquired immunodeficiency syndrome (AIDS). HTLV-III Infections,HTLV-III-LAV Infections,T-Lymphotropic Virus Type III Infections, Human,HIV Coinfection,Coinfection, HIV,Coinfections, HIV,HIV Coinfections,HIV Infection,HTLV III Infections,HTLV III LAV Infections,HTLV-III Infection,HTLV-III-LAV Infection,Infection, HIV,Infection, HTLV-III,Infection, HTLV-III-LAV,Infections, HIV,Infections, HTLV-III,Infections, HTLV-III-LAV,T Lymphotropic Virus Type III Infections, Human
D017422 Sequence Analysis, DNA A multistage process that includes cloning, physical mapping, subcloning, determination of the DNA SEQUENCE, and information analysis. DNA Sequence Analysis,Sequence Determination, DNA,Analysis, DNA Sequence,DNA Sequence Determination,DNA Sequence Determinations,DNA Sequencing,Determination, DNA Sequence,Determinations, DNA Sequence,Sequence Determinations, DNA,Analyses, DNA Sequence,DNA Sequence Analyses,Sequence Analyses, DNA,Sequencing, DNA

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