ウイルス感染症における免疫・認知関連性:トランスノゾロジカル系統的レビュー
A Nuber-Champier1, G Breville2, P H Lalive3
1Clinical and Experimental Neuropsychology Laboratory, Department of Psychology and Swiss Centre for Affective Sciences, University of Geneva, Switzerland.
Neuroscience and biobehavioral reviews
|February 4, 2026
まとめ
SARS-CoV-2のようなウイルス感染症は認知に影響を与える。特定の免疫細胞やサイトカインが記憶力、処理速度、注意力を低下させ、感染中の脳の健康状態についての洞察を提供する。
科学分野:
- 神経科学; 免疫学; 感染症
背景:
- ウイルス感染症と認知機能との関連性は複雑であり、十分に理解されていない。これまでの研究では、感染症を個別に研究することが多く、免疫・認知関連性の包括的な視点が得られにくかった。
研究 の 目的:
- 様々なウイルス感染症における免疫マーカーと認知プロセスとの関連性に関する既存の文献を系統的にレビューし、統合すること。個々の疾患の文脈を超えて免疫・認知の関連性を調べるトランスノゾロジカルアプローチを採用すること。
主な方法:
- ウイルス感染症における免疫・認知関連性を調査した研究の系統的ナラティブレビュー。SARS-CoV-2、HIV、ヘルペス、肝炎、エプスタイン・バーウイルス、および多重感染を対象とした32件の研究(N=25,325)を含めた。
主要な成果:
- 処理速度の低下や記憶障害と関連するCD14+CD16+中間単球の上昇。処理効率の向上と関連するCD4+ T細胞の増加。T/B細胞の減少とIgGの増加は注意・記憶障害と関連。炎症性サイトカイン(IL-6、TNF-α、IFN-γ)は認知を低下させ、抗炎症性サイトカインIL-10は実行機能と記憶をサポートした。
結論:
- 特定の免疫細胞プロファイルとサイトカインレベルは、様々なウイルス感染症にわたる個々の認知領域に大きく影響する。これらの免疫・認知経路を理解することは、感染症における認知機能の管理に不可欠である。
関連する概念動画
Immune Response Against Viral Pathogens
2.0K
The immune system's response to viral infections is a complex and coordinated process involving natural killer (NK) cells, T cell-mediated responses, and antibody-mediated responses.
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
2.0K
Viral Recombination
25.2K
Cells are sometimes infected by more than one virus at once. When two viruses disassemble to expose their genomes for replication in the same cell, similar regions of their genomes can pair together and exchange sequences in a process called recombination. Alternatively, viruses with segmented genomes can swap segments in a process called reassortment.
25.2K
Review and Preview
8.4K
In statistics, several tools are used to interpret the data. Measures of central tendency represent the characteristics of the data, such as mean, median, and mode. Additionally, measures of variance like standard deviation and range are used to find the spread of data from the mean. Relative standing measures the distance between data locations. Commonly used measures of relative standings are percentile, z score, and quartiles.
Percentiles are a type of fractile that partition data into...
Percentiles are a type of fractile that partition data into...
8.4K
Review and Preview
11.5K
Data are individual items of information obtained from a population or sample. Data may be classified as qualitative (categorical), quantitative continuous, or quantitative discrete. Because it is not practical to measure the entire population in a study, researchers use samples to represent the population. A random sample is a representative group from the population chosen by using a method that gives each individual in the population an equal chance of being included in the sample. Random...
11.5K
Relationship Formation
46.2K
What do you think is the single most influential factor in determining with whom you become friends and whom you form romantic relationships? You might be surprised to learn that the answer is simple: the people with whom you have the most contact. This most important factor is proximity. You are more likely to be friends with people you have regular contact with. For example, there are decades of research that shows that you are more likely to become friends with people who live in your dorm,...
46.2K
What is the Immune System?
130.1K
Overview
130.1K


