Okamoto H - Search Results

1

Synthetic oligopeptides bearing a common or subtypic determinant of hepatitis B surface antigen.

Ohnuma H, Takai E, Machida A, Tsuda F, Okamoto H, Tanaka T, Naito M, Munekata E, Miki K, Miyakawa Y, et al. Ohnuma H, et al. Among authors: okamoto h. J Immunol. 1990 Oct 1;145(7):2265-71. J Immunol. 1990. PMID: 1697880

2

Allelic subtypic determinants of hepatitis B surface antigen (i and t) that are distinct from d/y or w/r.

Ohnuma H, Machida A, Okamoto H, Tsuda F, Sakamoto M, Tanaka T, Miyakawa Y, Mayumi M. Ohnuma H, et al. Among authors: okamoto h. J Virol. 1993 Feb;67(2):927-32. doi: 10.1128/JVI.67.2.927-932.1993. J Virol. 1993. PMID: 7678309 Free PMC article.

3

Antibodies against synthetic oligopeptides deduced from the putative core gene for the diagnosis of hepatitis virus infection.

Okamoto H, Tsuda F, Machida A, Munekata E, Akahane Y, Sugai Y, Mashiko K, Mitsui T, Tanaka T, Miyakawa Y, et al. Okamoto H, et al. Hepatology. 1992 Feb;15(2):180-6. doi: 10.1002/hep.1840150203. Hepatology. 1992. PMID: 1370946

4

Two distinct subtypes of hepatitis C virus defined by antibodies directed to the putative core protein.

Machida A, Ohnuma H, Tsuda F, Munekata E, Tanaka T, Akahane Y, Okamoto H, Mishiro S. Machida A, et al. Among authors: okamoto h. Hepatology. 1992 Oct;16(4):886-91. doi: 10.1002/hep.1840160406. Hepatology. 1992. PMID: 1383117

5

Hepatitis B surface antigen particles with all four subtypic determinants: point mutations of hepatitis B virus DNA inducing phenotypic changes or double infection with viruses of different subtypes.

Yamanaka T, Akahane Y, Suzuki H, Okamoto H, Tsuda F, Miyakawa Y, Mayumi M. Yamanaka T, et al. Among authors: okamoto h. Mol Immunol. 1990 May;27(5):443-9. doi: 10.1016/0161-5890(90)90169-z. Mol Immunol. 1990. PMID: 1694959

6

Common and subtypic determinants of hepatitis B surface antigen particles: susceptibility to reduction and/or alkylation evaluated with monoclonal antibodies.

Luengrojanakul P, Ohnuma H, Tachibana K, Usuda S, Okamoto H, Tanaka T, Tsuda F, Machida A, Mayumi M. Luengrojanakul P, et al. Among authors: okamoto h. Jpn J Exp Med. 1990 Oct;60(5):253-61. Jpn J Exp Med. 1990. PMID: 1706785

7

The loss of subtypic determinants in alleles, d/y or w/r, on hepatitis B surface antigen.

Okamoto H, Omi S, Wang Y, Itoh Y, Tsuda F, Tanaka T, Akahane Y, Miyakawa Y, Mayumi M. Okamoto H, et al. Mol Immunol. 1989 Feb;26(2):197-205. doi: 10.1016/0161-5890(89)90102-8. Mol Immunol. 1989. PMID: 2465492

8

Site-directed mutagenesis of hepatitis B surface antigen sequence at codon 160 from arginine to lysine for conversion of subtypic determinant from r to w.

Okamoto H, Imai M, Miyakawa Y, Mayumi M. Okamoto H, et al. Biochem Biophys Res Commun. 1987 Oct 14;148(1):500-4. doi: 10.1016/0006-291x(87)91139-9. Biochem Biophys Res Commun. 1987. PMID: 3118876

9

Typing hepatitis B virus by homology in nucleotide sequence: comparison of surface antigen subtypes.

Okamoto H, Tsuda F, Sakugawa H, Sastrosoewignjo RI, Imai M, Miyakawa Y, Mayumi M. Okamoto H, et al. J Gen Virol. 1988 Oct;69 ( Pt 10):2575-83. doi: 10.1099/0022-1317-69-10-2575. J Gen Virol. 1988. PMID: 3171552

10

Mutations in the envelope gene of hepatitis B virus variants co-occurring with antibody to surface antigen in sera from patients with chronic hepatitis B.

Kohno H, Inoue T, Tsuda F, Okamoto H, Akahane Y. Kohno H, et al. Among authors: okamoto h. J Gen Virol. 1996 Aug;77 ( Pt 8):1825-31. doi: 10.1099/0022-1317-77-8-1825. J Gen Virol. 1996. PMID: 8760433

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