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Zika virus exploits autophagy for replication in human trabecular meshwork and autophagic inhibition at autolysomal maturation ameliorates Zika-induced ocular complications.

GSE270987 Homo sapiens (human) RNA-seq (gene expression) 12 samples Submitted 2025/08/21 Platform GPL24676
At a glance

RNA-seq (gene expression) · human · 12 samples

What it is
RNA-seq (gene expression)Gene activity measured by sequencing. The summary does not mention single-cell work, so this is most likely bulk: one average per sample, the usual starting point for comparing groups.
Organism
Homo sapiens (human)
Samples
12 samples: 3 × Mock vs 3 × Hydroxychloroquine + ZIKV vs 3 × Rapamycin + ZIKV vs 3 × ZIKV onlyGroups are read from the sample names, not from the paper. Check the list below.
Data you can get
A processed table (series matrix) and supplementary files from NCBI; the raw sequencing reads from ENA. Which of these hold counts depends on the study, so check the file list.
Paper
Zika virus impairs autophagic flux in trabecular meshwork, and inhibition of autophagy restricts ocular viral transmission and associated pathologyMicrobiology spectrum · 2025
Summary (written by the submitters)
Zika virus (ZIKV) infection causes severe ocular and neurological pathologies in infants following in-utero exposure. ZIKV is also the lone member of Flavivirus, which is known to cause congenital glaucoma. However, the cellular and molecular basis of congenital ZIKV ocular infection and glaucoma are not well understood. Autophagy has been shown to play dual roles in viral infection and glaucoma pathogenesis.
Read the full summary ↓
However, how ZIKV interferes with autophagic pathways in the trabecular meshwork (TM) and whether autophagy contributes to ZIKV-induced ocular complications remains elusive. In this study, we investigated the role of autophagic pathways in ZIKV pathogenesis in the anterior segment (AS) of the eye utilizing a primary human trabecular meshwork (HTMC) and a IFNAR1-/- mouse model of ocular ZIKV infection. Our results from this study show that ZIKV permissively infects HTMC, induces a dysregulated immune response, and triggers autophagic activity in TM and mouse AS tissue. Our data suggest that although ZIKV initially activates autophagy in TM, it impairs the overall autophagic flux during the course of infection by modulating the VSP39-HOPS complex and STX17-SNARE complex to avoid autolysosomal maturation. We discovered that ZIKV utilizes late-endosomes/lysosomes for their replication and spread in TM. We further demonstrated that modulation of autophagy at the autolysosomal maturation stage with an FDA-approved drug, hydroxychloroquine, or Bafilomycin A1, inhibits ZIKV replication in TM and ameliorates ZIKV-induced ocular pathology in the mouse eyes.Our study is the first to demonstrate the mechanistic insight by which ZIKV manipulates autophagic activity in TM and ocular milieu, and we suggest that the precise modulation of autophagy could be a potential therapeutic avenue for developing new strategies to treat ZIKV-induced ocular complications.
Published in
Zika virus impairs autophagic flux in trabecular meshwork, and inhibition of autophagy restricts ocular viral transmission and associated pathology
Ahmad F, Kumar P, Singh P et al. · Microbiology spectrum 2025 · PMID 40920489 · doi:10.1128/spectrum.01034-25
This dataset
Download · which file do I need?

Direct links to NCBI and ENA, no account and no request form. Pick by what you want to do: take the small processed table to look, the supplementary files to re-analyse, or the original raw data to start over.

1 · Just have a look

Processed table

The series matrix: one table of values per sample as the submitters processed it. The smallest download, and it opens in Excel or R. Start here to see what the data look like.

2 · Re-analyse it

Supplementary files

The count tables and other files the authors uploaded. Take only the samples you need, or the whole study as GSE270987_RAW.tar (it can run to tens of gigabytes).

3 · Start from the raw reads

Raw sequencing reads

The original FASTQ files, straight from the sequencer, held at ENA. Large, and you align them yourself, so only choose this if you need to re-process the study from scratch.

What the files usually look like: For RNA-seq the counts are usually a table among the supplementary files (look for 'counts', 'expression', 'FPKM' or 'TPM' in the file name). The series matrix of a sequencing study is sometimes nearly empty.

Also filed as BioProject PRJNA1129154 and SRA study SRP516625. Searching any of these in the dataset finder brings you back here.

Study design
3 × Mock vs 3 × Hydroxychloroquine + ZIKV vs 3 × Rapamycin + ZIKV vs 3 × ZIKV only

Supports a between-group comparison across 12 samples.

How we read this: 4 replicated groups read from 12 sample titles; they account for 12 of them. These groups are guessed from the sample names, not taken from the paper, so check them against the sample list below before relying on them.

Samples in this study
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