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2014 Fiscal Year Final Research Report

Comparison of the virologic and host characteristics between HIV-1-infected Kenyan children with rapid and slow disease progression

Research Project

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Project/Area Number 23406013
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section海外学術
Research Field Virology
Research InstitutionKanazawa University

Principal Investigator

ICHIMURA Hiroshi  金沢大学, 医学系, 教授 (10264756)

Co-Investigator(Renkei-kenkyūsha) BI Xiuqiong  金沢大学, 医学系, 助教 (50565413)
ISHIZAKI Azumi  金沢大学, 医学系, 助教 (30456420)
Project Period (FY) 2011-04-01 – 2015-03-31
KeywordsHIV感染小児 / 病態進行関連因子 / 遅発症者 / 早期発症者 / HLA / ケニア
Outline of Final Research Achievements

In the present study, we aimed at elucidating the factors related to disease progression in HIV-1 infected children. For this purpose, we compared sequence variations in the HIV-1 gag and nef genes between the rapid and slow progressors, and further investigated the presence of reported protective or susceptible HLA types and the predicted MHC-1 binding capability of the Gag and Nef epitopes between the two groups. Our present findings showed that the slow and rapid progressors did not have distinct sequence variations in both Nef and Gag. Compared to the rapid progressors, the slow progressors had more protective HLA-A alleles and more HLA-B-related epitopes in both Nef and Gag. These results suggest that the HLA, a host factor, plays a more important role in disease progression than the viral factors, such as variations in HIV-1 Nef and Gag, among HIV-1-infected Kenyan children.

Free Research Field

ウイルス感染症学

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Published: 2016-06-03  

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