Related Experiment Video
Updated: Jul 14, 2026
08:38
Using a Bacterial Pathogen to Probe for Cellular and Organismic-level Host Responses
Published on: February 22, 2019
Changes in neuronal protein expression in LP-BM5-infected mice
Kanako Takahashi1, Kuniaki Saito, Junichi Masuda
1Department of Informative Clinical Medicine, Gifu University Graduate School of Medicine, Japan.
Neuroscience Letters
|July 3, 2007
Summary
Murine acquired immunodeficiency syndrome (MAIDS) models human immunodeficiency virus (HIV) neurological issues. Researchers identified key neuronal proteins, like 14-3-3 zeta/delta, downregulated in MAIDS mice, offering insights into memory loss mechanisms.
Area of Science:
- Neuroscience
- Immunology
- Virology
Background:
- Murine acquired immunodeficiency syndrome (MAIDS) serves as a model for human immunodeficiency virus (HIV)-related neurological dysfunction.
- LP-BM5 virus infection in mice causes mnemonic and biochemical abnormalities mirroring HIV-related neurological symptoms.
Purpose of the Study:
- To identify specific neuronal proteins associated with memory impairment (dysmnesia) in the MAIDS model.
- To understand the molecular mechanisms underlying neurological dysfunction in MAIDS.
Main Methods:
- Two-dimensional polyacrylamide gel electrophoresis (2-DE) was employed to analyze neuronal protein expression in LP-BM5 infected mice compared to controls.
- Image Master 2D software was used for quantitative analysis of protein spots.
- Capillary nanoliquid chromatography tandem mass spectrometry and Western blot were utilized for protein identification and verification.
Main Results:
- Approximately 800 protein spots were detected, with 35 showing significant differences between infected and non-infected mice.
- The majority of differentially expressed proteins were downregulated in LP-BM5 infected mice.
- Three proteins were identified: 14-3-3 protein zeta/delta, synapsin 2, and protein disulfide isomerase.
Conclusions:
- The study identified specific downregulated neuronal proteins in the MAIDS model, contributing to the understanding of HIV-related neurological dysfunction.
- These findings provide potential molecular targets for further investigation into the mechanisms of dysmnesia in MAIDS.
- The identified proteins may play crucial roles in the pathogenesis of memory deficits observed in this model.
