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2022 Fiscal Year Final Research Report

Relationship between microbiota changes on the epithelium and onset of epithelial infectious diseases caused by HIV infection, and application to palliative care against the diseases

Research Project

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Project/Area Number 19KK0243
Research Category

Fund for the Promotion of Joint International Research (Fostering Joint International Research (B))

Allocation TypeMulti-year Fund
Review Section Medium-sized Section 58:Society medicine, nursing, and related fields
Research InstitutionKanazawa University

Principal Investigator

Okamoto Shigefumi  金沢大学, 新学術創成研究機構, 教授 (50311759)

Co-Investigator(Kenkyū-buntansha) 倉石 貴透  金沢大学, 薬学系, 准教授 (90613167)
大貝 和裕  金沢大学, AIホスピタル・マクロシグナルダイナミクス研究開発センター(保), 准教授 (40706983)
須釜 淳子  藤田医科大学, 保健衛生学部, 教授 (00203307)
Project Period (FY) 2019-10-07 – 2023-03-31
Keywords皮膚 / HIV / マイクロバイオーム / ディスバイオーシス
Outline of Final Research Achievements

In collaboration with Cameroon and the United States, we investigated the relationship between HIV infection and changes in skin microbiota composition in Cameroon.
In order to understand the characteristics of the composition of Cameroonian skin microflora, a comparative study was conducted with that of Japanese skin microbiota. As a result, it became clear that the composition differs greatly between the two.
Next, we examined the composition of the skin microflora in Cameroonians between healthy, HIV-infected, and AIDS patients. HIV-infected Cameroonians had higher skin microbiome alpha diversity and significantly altered beta diversity. In addition, HIV-infected individuals had increased prevalence of Micrococcus and Kocuria, and significantly decreased prevalence of Cutibacterium.

Free Research Field

病原微生物学

Academic Significance and Societal Importance of the Research Achievements

我々は、HIVに感染したカメルーン人において、一部の細菌の相対数が増加し、一部の細菌が減少していることを示し、皮膚細菌叢のアルファ多様性がより大きく、ベータ多様性が健康な対応物とは異なることを明らかにした。 これらの発見は総合し、HIV 感染がヒトの皮膚マイクロバイオームに影響を与えることを示唆した。この研究は、HIV感染の影響下での皮膚症状と、皮膚マイクロバイオームを介した皮膚と身体間のクロストークをよりよく理解するための基本的な情報を提供する可能性を示すものであり、HIV感染による様々な皮膚における日和見感染症の発症原因を検討する新たな検討事項になることが期待される。

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Published: 2024-01-30  

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