Human herpesvirus 8 (HHV8) sequence variations in HHV8 related tumours in Okinawa, a subtropical island in southern Japan

被引:18
|
作者
Kamiyama, K
Kinjo, T
Chinen, K
Iwamasa, T
Uezato, H
Miyagi, J
Mori, N
Yamane, N
机构
[1] Univ Ryukyus, Grad Sch, Div Pathol & Cell Biol, Okinawa 9030215, Japan
[2] Univ Ryukyus, Fac Med, Okinawa 9030215, Japan
[3] Univ Ryukyus, Grad Sch, Div Dermatol, Okinawa 9030215, Japan
[4] Univ Ryukyus, Grad Sch, Div Endocrinol & Metab, Okinawa 9030215, Japan
[5] Univ Ryukyus, Grad Sch, Div Mol Virol & Oncol, Okinawa 9030215, Japan
[6] Univ Ryukyus, Grad Sch, Div Lab Med, Okinawa 9030215, Japan
关键词
D O I
10.1136/jcp.2003.012724
中图分类号
R36 [病理学];
学科分类号
100104 ;
摘要
Background: Although rare in mainland Japan, classic Kaposi's sarcoma (KS) is frequently reported in Okinawa, a subtropical island in southern Japan. Human herpesvirus 8 (HHV8) has been identified in the tumours and geographical differences occur. Aim: To sequence HHV8 in classic and AIDS associated KS in Okinawa. Materials/Methods: Eight classic KS cases, one AIDS associated KS, five granuloma pyogenicum cases, two inflammatory pseudotumours, two Castleman's disease cases, one angiosarcoma, and one primary effusion lymphoma (PEL) were studied. As a control, HHV8 positive cultured PEL cells (TY-1) were used. The presence of HHV8 sequences was evaluated by PCR and in situ hybridisation. PCR products were sequenced. Results: There were no histological differences among KS resulting from the different virus genotypes. HHV8 was detected in all cases of KS, in one PEL, and one granuloma pyogenicum. Eight classic KS cases and one granuloma pyogenicum were infected with HHV8 genotype II/C (K1 region) or subtype C (ORF26 region), which had a five amino acid deletion at K1 VR2 region. An AIDS associated KS and a PEL were infected with type I/A virus. Conclusion: In Okinawa, classic KS cases and one granuloma pyogenicum case were infected with HHV8 genotype II/C, also classified as subtype C. AIDS associated KS and PEL were infected with a different HHV8 (genotype I/A), similar to that found in the USA. In Okinawa, HHV8 infection is more than four times higher than in mainland Japan, resulting in many cases of KS because of HHV8 genotype II/C infection.
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页码:529 / 535
页数:7
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