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New advances in CNS immunity against viral infection.

ABSTRACT: The central nervous system (CNS) is an immunologically specialized organ where restrictive barrier structures protect the parenchyma from inflammation and infection. This protection is important in preventing damage to non-renewable resident cell populations, such as neurons, responsible for functions ranging from executive to autonomic. Despite these barriers, the CNS can be infected through several entry portals, giving rise to meningitis and encephalitis. Following infection, resident cells recruit peripherally derived immune cells to sites of viral infection. In this review, we discuss recent advances in immune recruitment and entry at barrier structures as well as current immunotherapeutic strategies for the treatment of persistent viral infections.

SUBMITTER: Manglani M

PROVIDER: S-EPMC5990251 | biostudies-literature | 2018 Feb

REPOSITORIES: biostudies-literature

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New advances in CNS immunity against viral infection.

Manglani Monica M McGavern Dorian B DB

Current opinion in virology 20171229

The central nervous system (CNS) is an immunologically specialized organ where restrictive barrier structures protect the parenchyma from inflammation and infection. This protection is important in preventing damage to non-renewable resident cell populations, such as neurons, responsible for functions ranging from executive to autonomic. Despite these barriers, the CNS can be infected through several entry portals, giving rise to meningitis and encephalitis. Following infection, resident cells r ...[more]

PMID: 29289900

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Project description:Purpose: In order to describe how non- genetic factors may contribute to emergence of additional neurodegenerative disorders in mice with neuronal Gaucher Disease (nGD), full transcript mRNA sequencing was implemented with half brain in order to study differential gene expression between experimental groups: (Untreated) Control, CBE (Conduritol β epoxide ), SVNI (Sindbis virus), and CBE + SVNI Methods: Full transcript mRNA sequencing was implemented with half brain in order to study differential gene expression between experimental groups (biologilal triplicates in each group). We mapped 20 million sequence reads per sample to the mouse genome (GRCm38) and identified 16,903 transcripts. . All subjects were 28 days old. Half of the bisected brains were flash-frozen in liquid nitrogen and stored in -80C conditions until use. RNA was isolated using a RNeasy mini kit (Qiagen, Hilden, Germany). Extraction of RNA was performed at the Israeli Institute for Biological Research and the RNA was then transferred to the Weizmann Institute of Science for further analysis. Quality was examined with the Agilent 2200 TapeStation system (Agilent Technologies); RIN values of each sample were determined satisfactory for use in sequencing. Expression of mRNA was quantified using DESeq following normalization of library size with Pipeline. Gene lists were created by criteria based on an absolute linear fold change ≥ 2.0, *p ≤ 0.05. Enriched pathways in the resulting gene lists were analyzed with Ingenuity Pathway Analysis (IPA). Results: Our study represents the first full RNA transcriptome analysis of brains from of CBE-treated mice, with biological triplicates generated by RNA-seq technology. The CBE and CBE+SVNI conditions boast remarkably similar genetic profiles with no differentially expressed genes changed between them (fold change ≥ 2.0, *p ≤ 0.05). In CBE, SVNI, and CBE + SVNI conditions respectively, 501, 1724, and 554 genes were significantly upregulated compared to the control, while 5, 333, and 40 genes were significantly downregulated respectively (Fig. 2B). Surprisingly, 476 upregulated genes in the CBE condition were shared with SVNI, while only 25 genes were uniquely upregulated. No downregulated genes were shared between the two conditions (Fig. 2C). Here, we conclude that CBE and CBE+SVNI demonstrate nearly identical mRNA profiles while SVNI boasted highly differential genes compared to all other conditions. Conclusion: Half brain mRNA profiles of 28-day old untreated (Control), CBE-treated, SVNI-treated, and SVNI + CBE-treated mice were generated by deep sequencing, in triplicate, using Illumina Hiseq.

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New advances in CNS immunity against viral infection.

Publications

New advances in CNS immunity against viral infection.

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