14) M. Takiguchi, Identification of HIV-1 CTL epitopes by reverse immunogenetics and characterization of identified epitopes, From Genomes to Protective Antigens - Designing Vaccines (Prague, Czech Republic) November 15-17, 2006.

13) Y. Kawashima, M. Fujiwara, A. Hachiya, M. Kitano, S. Oka and M. Takiguchi, Role of two immunodominant Pol epitopes presented by HLA-B*51 in slow progression to AIDS, 7th AIDS Seminar in Kumamoto. (Kumamoto, Japan) September 21-22, 2006.

12) N. Kobayashi, H. Murakoshi, S. Doki, M. Takiguchi, Failure of A*02-Restricted HCMV epitope Presentation by HLA-A*0207, 7th AIDS Seminar in Kumamoto. (Kumamoto, Japan) September 21-22, 2006.

11) A. Hachiya, H. Gatanaga, E. Kodama, M. Matsuoka, M. Takiguchi, S. Oka, Novel mutation, N348I in HIV-1 reverse transcriptase (RT), induced by nucleoside RT inhibitor (NRTI)-treatment, confers newirapine resistance, 7th AIDS Seminar in Kumamoto. (Kumamoto, Japan) September
21-22, 2006.

10) M. Fujiwara, H. Koizumi, K. Honda, S. Oka, and M. Takiguchi, Strong suppression of HIV-1 replication by HLA-A*2402-restricted Nef138-10-specific CTLs, 7th AIDS Seminar in Kumamoto. (Kumamoto, Japan) September 21-22, 2006.

9) M. Kitano, Y. Kawashima, S. Oka, M. Takighuchi, Identification of HIV-1-specific HLA-B*5401-restricted CD8+ T cell epitopes by using overlap peptides, 7th AIDS Seminar in Kumamoto. (Kumamoto, Japan) September 21-22, 2006.

8)H. Koizumi, M. Fujiwara, Y. Kawashima, T. Ueno, S. Oka, M. Takiguchi, Analysis of HLA-A*1101-restricted Nef73-specific CTLs with a strong ability to suppress HIV-1 replication, 7th AIDS Seminar in Kumamoto. (Kumamoto, Japan) September 21-22, 2006.

7) C. Motozono, M. Takiguchi, T. Ueno,Different cytotoxic T lymphocyte activity and competitive antigen presentation toward two HIV-1 Nef epitopes, one of which is entirely contained within the other, 7th AIDS Seminar in Kumamoto. (Kumamoto, Japan) September 21-22, 2006.

6) H. Takata and M. Takiguchi, Two distinct human effector CD8+ T cell subsets characterized by IL-2 productivity and proliferative capacity, 7th AIDS Seminar in Kumamoto. (Kumamoto, Japan) September 21-22, 2006.

5) T. Kondo, H,Takata and M. Takiguchi, Functional expression of chemokine receptor CCR6 on effector memory human CD8+ T lymphocytes, 7th AIDS Seminar in Kumamoto. (Kumamoto, Japan) September 21-22, 2006.

4) H. Koizumi, M. Fujiwara, Y. Kawashima, T. Ueno, S. Oka, and M. Takiguchi, Analysis of HLA-A*1101-restricted Nef73-specific CTLs with a strong ability to suppress HIV-1 replication(Amsterdam, Holland) Aug 29-Sep 1, 2006

3) C. Motozono, M. Takiguchi, and T. Ueno, Different cytotoxic T lymphocyte activity and competitive antigen presentation toward two HIV-1 Nef epitopes, one of which is entirely contained within the other, 2nd MASIR Conference Measuring Antigen-Specific Immune Responses (Santorini, Greece) June 14-17, 2006

2) Takaaki Kondo, Hiroshi Takata, and Masafumi Takiguchi, Selective expression and function of chemokine receptor CCR6 on effector memory human CD8+ T lymphocytes Keystone symposia　-Chemokines and Chemokine Receptors- (Utah, USA) January
15 - 20, 2006

1) H. Takata and M. Takiguchi, CXCR1 expression on terminal effector human CD8+ T cells, Keystone symposia　-Chemokines and Chemokine Receptors- (Utah, USA) January 15 - 20, 2006

12) M.A. Borghan, S. Oka and M. Takiguchi, Identification of human immunodeficiency virus type 1 (HIV-1)-specific HLA-A*3101-restricted cytotoxic T lymphocyte epitopes, International Symposium -The Cooperative Research Project on Clinical and Epidemiological Studies of Emerging and Re-emerging Infectious Diseases (Kumamoto, Japan) September 16, 2005

11) M. Takiguchi, Effective suppression of HIV-1 replication by HIV-1-specific CTLs in long-term non-progressors and slow progressors, International Symposium -The Cooperative Research Project on Clinical and Epidemiological Studies of Emerging and Re-emerging Infectious Diseases (Kumamoto, Japan) September 16, 2005

10) Y. Kawashima, M. Fujiwara, M. Satoh, S. Oka and M. Takiguchi, Analysis of two immunodominant Pol epitopes presented by HLA-A*51 associated with slow progression to AIDS: speculation of mechanisms for suppression of viral replication in HLA-B*5101-positive LTNP, International Symposium -The Cooperative Research Project on Clinical and Epidemiological Studies of Emerging and Re-emerging Infectious Diseases (Kumamoto, Japan) September 16, 2005

9) H. Koizumi, M. Fujiwara, U. Takamasa, Y. Ariumi, S. Oka, and M. Takiguchi Effect of two HLA-A*1101-restricted Nef-specific CTLs on HIV-1 evolution, International Symposium -The Cooperative Research Project on Clinical and Epidemiological Studies of Emerging and Re-emerging Infectious Diseases (Kumamoto, Japan) September 16, 2005

8）H. Takata and M. Takiguchi, Expression pattern of effector molecules in human CD8+ T cells during peripheral　differentiation, International Symposium -The Cooperative Research Project on Clinical and Epidemiological Studies of Emerging and Re-emerging Infectious Diseases (Kumamoto, Japan) September 16, 2005

7) Y. Kawashima, M. Fujiwara, M. Satoh, S. Oka and M. Takiguchi, Analysis Of Two Immunodominant Pol Epitopes Presented By Hla-A*51 Associated With Slow Progression To Aids: Speculation Of Mechanisms For Supression Of Viral Replication In Hla-B*5101-Positive Ltnp, AIDS VACCINE 2005 INTERNATIONAL CONFERENCE (Montreal, Quebec, Canada) September 6-9, 2005

6) H. Koizumi, M. Fujiwara, T. Ueno, Y. Ariumi, S. Oka, and M. Takiguchi, Effect of two HLA-A*1101-restricted Nef-specific CTLs on HIV-1 evolution, AIDS VACCINE 2005 INTERNATIONAL CONFERENCE (Montreal, Quebec, Canada) September 6-9, 2005

5) H. Takata and M. Takiguchi: Expression pattern of effector molecules in human CD8+ T cells during peripheral differentiation, Gordon Research Conference on Immunochemistry and Immunobiology (Oxford, UK) August 7-12, 2005

4) H. Koizumi, M. Fujiwara, T. Ueno, S.i Oka, and M. Takiguchi: Escape of HIV-1 from A*1101-restricted Nef-84-specific CTL. Seventh International Congress on AIDS in Asia and the Pacific (Kobe, Japan) July 1-5, 2005

3) Y. Kawashima, M. Satoh, S. Oka, and M. Takiguchi,: Identification of HIV-1-specific CTL epitopes presented by HLA-A*2603. Seventh International Congress on AIDS in Asia and the Pacific (Kobe, Japan) July 1-5, 2005

2) M. Fujiwara, M. Takiguchi: Different cytokine production patterns in CD8+ T cells specific for the same and different HIV-1 epitopes. Keystone symposia HIV Pathogenesis (Keystone, Canada) April 9-15, 2005

1) T. Ueno, H. Tomiyama, M. Fujiwara, S. Oka, and M. Takiguchi: Impaired responsiveness of HIV-specific CD8 T lymphocytes caused by high-affinity T cell receptor-ligand interactions. 12th Conference on Retroviruses and Opportunistic Infections (Boston MA, USA),Feb. 22-25, 2005