Ontology highlight
ABSTRACT:
PROVIDER: PRJNA508766 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR8286560.fastq.gz | Fastqsanger.gz | |||
| SRR8286561.fastq.gz | Fastqsanger.gz | |||
| SRR8286562.fastq.gz | Fastqsanger.gz | |||
| SRR8286563.fastq.gz | Fastqsanger.gz | |||
| SRR8286564.fastq.gz | Fastqsanger.gz |
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Project description:Viral infections leading to inflammation have been implicated in several common diseases such as Alzheimer’s disease (AD) and type 1 diabetes (T1D). Of note, herpes simplex virus 1 (HSV-1) has been reported to be associated with AD. We sought to identify the transcriptomic changes due to HSV-1 infection and anti-viral drug (acyclovir, ACV) treatment of HSV-1 infection in dissoci-ated cells from human cerebral organoids (dcOrgs) versus stem cell-derived pancreatic islets (sc-islets) to gain potential biological insights into the relevance of HSV-1-induced inflammation in AD and T1D. We observed that differentially expressed genes (DEGs) in HSV-1-infected sc-islets were enriched for genes associated with several autoimmune diseases, most significantly T1D but also rheumatoid arthritis, psoriasis, Crohn’s disease, and multiple sclerosis, whereas DEGs in HSV-1-infected dcOrgs were exclusively enriched for genes associated with AD. ACV treatment of sc-islets did not rescue transcript expression of autoimmune disease-associated genes. Finally, we identified gene ontology categories that were enriched for DEGs that were in common across, or unique to, viral treatment of dcOrgs and sc-islets, such as categories involved in the transferase complex, mitochondrial and autophagy function. Collectively, this studies pro-vide insight to the molecular effects of inflammation in AD and T1D.
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Project description:PURPOSE: Acyclovir (ACV) is an effective antiviral agent for treating lytic Herpes Simplex virus, type 1 (HSV-1) infections, and it has dramatically reduced the mortality rate of herpes simplex encephalitis. However, HSV-1 resistance to ACV and its derivatives is being increasingly documented, particularly among immunocompromised individuals. The burgeoning drug resistance compels the search for a new generation of more efficacious anti-herpetic drugs. We have previously shown that 3-epi-trans-dihydrolycoricidine (R430), a lycorane-type alkaloid derivative, effectively inhibits HSV-1 infections in cultured cells. METHODS: We employed human induced pluripotent stem cells-derived neurons (hiPSC-neurons) and neural progenitor cells (hiPSC-NPCs) to investigate the antiviral activity of R430 on HSV-1 and Zika (Strain XX), respectively. hiPSC line 73-56010-02 employed in this study established at the National Institute of Mental Health (NIMH) Center for Collaborative Studies of Mental Disorders-funded Rutgers University Cell and DNA Repository (http://www.rucdr.org/mental-health) (RUCDR). hiPSC- neurons and hiPSC-NPCs were generated as previously described (D’Aiuto et al. Organogenesis. 2014;10(4):365-77). hiPSC based assays for HSV-1 infection. We used a genetically engineered HSV-1 KOS strain that expresses enhanced green fluorescent protein (EGFP) and red fluorescent protein (RFP) under the control of immediate early and late gene promoters, respectively (33). To determine the optimal conditions for evaluating drug effects, hiPSC-neurons cells were infected for 2 hours (multiplicity of infection, MOI=0.3), after which the inocula were replaced with media containing R430 (10 µM) or vehicle (DMSO). Separately, cells were incubated in media containing R430 (10 µM) or vehicle in the absence of HSV-1. All assays were conducted in triplicate. Cells were harvested after 6 hours post infection (hpi), 12 hpi, or 24 hpi, DNA was extracted using (QIAamp DNA Mini Kit, (Qiagen) and DNA conentrations were estimated. Subsequently, the EGFP locus was amplified to estimate viral copy number using custom primers (34). A significant increase in viral copy number was noted in vehicle treated cells after 12h and 24h, but not after 6h. Substantial reduction in viral copy number was found following incubation with R430 at 12h or 24h. The 12h incubation period was therefore selected for subsequent studies examining gene expression (see below).
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