Characterizing cerebrospinal fluid immunity in neurological manifestations of COVID-19
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA684320 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| Other | ||||
| SRR13238953.fastq.gz | Fastqsanger.gz | |||
| SRR13238954.fastq.gz | Fastqsanger.gz | |||
| SRR13238955.fastq.gz | Fastqsanger.gz | |||
| SRR13238956.fastq.gz | Fastqsanger.gz |
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Project description:Patients suffering from Coronavirus disease 2019 (COVID-19) can develop neurological sequelae, such as headache, neuroinflammatory or cerebrovascular disease. These conditions - here termed Neuro-COVID - are more frequent in patients with severe COVID-19. To understand the etiology of these neurological sequelae, we utilized single-cell sequencing and examined the immune cell profiles from the cerebrospinal fluid (CSF) of Neuro-COVID patients compared to patients with non-inflammatory and autoimmune neurological diseases or with viral encephalitis. The CSF of Neuro-COVID patients exhibited an expansion of dedifferentiated monocytes and of exhausted CD4+ T cells. Neuro-COVID CSF leukocytes featured an enriched interferon signature; however, this was less pronounced than in viral encephalitis. Repertoire analysis revealed broad clonal T cell expansion and curtailed interferon response in severe compared to mild Neuro-COVID patients. Collectively, our findings document the CSF immune compartment in Neuro-COVID patients and suggest compromised antiviral responses in this setting.
2020-12-11 | GSE163005 | GEO
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Project description:We performed gene expression profiling on paired cerebrospinal fluid (CSF) and peripheral blood lymphocyte (PBL) samples from 26 Multiple sclerosis patients without immunomodulatory treatment sampled in relapse or in remission, and 18 controls with other non-inflammatory neurological disorders using Human Genome U133 plus 2.0 arrays (Affymetrix).
2009-12-02 | E-MTAB-69 | biostudies-arrayexpress
Project description:This SuperSeries is composed of the following subset Series: GSE37664: Human cerebrospinal fluid autoantibody lipid microarray profiling (Fig. 1A) GSE37670: Human cerebrospinal fluid autoantibody lipid microarray profiling (Fig. 2A) GSE37826: Human cerebrospinal fluid autoantibody lipid microarray profiling (Fig. 2C) Refer to individual Series
2012-05-08 | E-GEOD-37830 | biostudies-arrayexpress
Project description:Lipids comprise 70% of the myelin sheath, and autoantibodies against lipids may contribute to the demyelination that characterizes multiple sclerosis (MS). We used lipid antigen microarrays and lipid mass spectrometry to identify bona fide lipid targets of the autoimmune response in MS brain and an animal model of MS to explore the role of the identified lipids in autoimmune demyelination. We found that autoantibodies in MS target a phosphate group in phosphatidylserine and oxidized phosphatidylcholine derivatives. Administration of these lipids ameliorated experimental autoimmune encephalomyelitis by suppressing activation and inducing apoptosis of autoreactive T cells, effects mediated by the lipids' saturated fatty-acid side chains. Thus, phospholipids represent a natural anti-inflammatory class of compounds that have potential as novel therapeutics for MS. Fig. 1A. Lipid-array profiling of IgG+IgM antibody reactivity in cerebrospinal fluid (CSF) samples from MS patients (relapsing remitting MS; secondary progressive MS; primary progressive MS), healthy controls, and other neurological disease controls. Lipid hits with the lowest FDR (q=0.048) were clustered according to their reactivity profiles. 48 different lipids were custom-spotted in duplicate using the CAMAG Automatic TLC Sampler (ATS4) robot to spray 200 nl of 10 to 100 pmol of lipids onto PVDF membranes affixed to the surface of microscope slides. The slides were probed with cerebrospinal fluid (CSF) from 59 human patient samples. 60 slides total: 18 relapsing-remitting MS, 14 secondary-progressive MS, 1 primary-progressive MS, 21 other neurological disease, 5 healthy control, 1 secondary Ab alone (not included in this submission). CSF diluted 1/10. HRP-conjugated secondary Ab (goat anti-human IgM/IgG) diluted 1/8000. ECL for 3 minutes.
2012-05-08 | E-GEOD-37664 | biostudies-arrayexpress
Project description:Lipids comprise 70% of the myelin sheath, and autoantibodies against lipids may contribute to the demyelination that characterizes multiple sclerosis (MS). We used lipid antigen microarrays and lipid mass spectrometry to identify bona fide lipid targets of the autoimmune response in MS brain and an animal model of MS to explore the role of the identified lipids in autoimmune demyelination. We found that autoantibodies in MS target a phosphate group in phosphatidylserine and oxidized phosphatidylcholine derivatives. Administration of these lipids ameliorated experimental autoimmune encephalomyelitis by suppressing activation and inducing apoptosis of autoreactive T cells, effects mediated by the lipids' saturated fatty-acid side chains. Thus, phospholipids represent a natural anti-inflammatory class of compounds that have potential as novel therapeutics for MS. Fig. 2A. Mini-Array I: IgG antibody reactivity to various glycero-3-phosphocholine lipids in CSF samples from patients with relapsing remitting MS and from control patients with other neurological disease. Lipid hits with the lowest FDR (q=0.029) were clustered according to their reactivity profiles. 47 different lipids were custom-spotted in duplicate using the CAMAG Automatic TLC Sampler (ATS4) robot to spray 200 nl of 10 to 100 pmol of lipids onto PVDF membranes affixed to the surface of microscope slides. The slides were probed with cerebrospinal fluid (CSF) from 24 human patient samples. 25 slides total: 13 relapsing-remitting MS, 11 other neurological disease, and 1 secondary Ab alone (not included in this submission). CSF diluted 1/20. HRP-conjugated secondary Ab (goat anti-human IgM/IgG) diluted 1/175. ECL for 3 minutes.
2012-05-08 | E-GEOD-37670 | biostudies-arrayexpress
Project description:Lipids comprise 70% of the myelin sheath, and autoantibodies against lipids may contribute to the demyelination that characterizes multiple sclerosis (MS). We used lipid antigen microarrays and lipid mass spectrometry to identify bona fide lipid targets of the autoimmune response in MS brain and an animal model of MS to explore the role of the identified lipids in autoimmune demyelination. We found that autoantibodies in MS target a phosphate group in phosphatidylserine and oxidized phosphatidylcholine derivatives. Administration of these lipids ameliorated experimental autoimmune encephalomyelitis by suppressing activation and inducing apoptosis of autoreactive T cells, effects mediated by the lipids' saturated fatty-acid side chains. Thus, phospholipids represent a natural anti-inflammatory class of compounds that have potential as novel therapeutics for MS. Fig. 2C. Mini-Array II: IgG antibody reactivity to lipids constituting polar head-group and side-chain modifications of PGPC in CSF samples from relapsing remitting MS patients and other neurological disease controls. Lipid hits with the lowest FDR (q=0.016) were clustered according to their reactivity profiles. 19 different lipids were custom-spotted in duplicate using the CAMAG Automatic TLC Sampler (ATS4) robot to spray 200 nl of 10 to 100 pmol of lipids onto PVDF membranes affixed to the surface of microscope slides. The slides were probed with cerebrospinal fluid (CSF) from 26 human patient samples. 27 slides total: 12 relapsing-remitting MS, 13 other neurological disease, 1 healthy control (not included in this submission), and 1 secondary Ab alone (not included in this submission). CSF diluted 1/20. HRP-conjugated secondary Ab (donkey anti-human IgG) diluted 1/8000. ECL for 3 minutes.
2012-05-08 | E-GEOD-37826 | biostudies-arrayexpress
Project description:Background. COVID-19-induced neurological disease is a growing concern. Here we provide a comprehensive clinical, molecular, and neuroimaging investigation of patients presenting neurological symptoms to investigate underlying processes. Methods. We performed a detailed systematized clinical, laboratory, and neuroimaging (CT/MRI) data analysis from 35 mild to severe Brazilian COVID-19 hospitalised patients with clinical indications for cerebrospinal fluid (CSF) exam. In patients' CSF, we measured interleukin-6 (IL-6), tumour necrosis factor-alpha (TNF-α) and the Alzheimer's disease-associated biomarkers amyloid-beta (Aβ)1-40, Aβ1-42, Tau and pTau181 levels (n=31-35). In addition, CSF proteomics and the search for SARS-CoV-2 spike protein presence using shotgun and targeted multiple reaction monitoring liquid-chromatography/mass-spectrometry were performed (n=16). We further evaluated a 29-cytokine panel in patients’ blood (n=16). An electronic questionnaire was conducted one-year post-hospitalisation (n=19, 63.3%). Findings. COVID-19 patients presented heterogeneous clinical and neurological features, including encephalopathy, encephalitis, and neuromuscular syndromes, despite low pulmonary burden. Patients showed increased circulating cytokines and CSF IL-6 and TNF-α levels compared to controls. Alzheimer’s disease-related biomarkers were unaltered compared to controls. COVID-19 altered CSF proteomic pathways associated to complement and coagulation cascades, immune-inflammatory, metabolism and amyloidosis. We found no traces of spike protein in patients’ CSF. Severe patients presented more pronounced neuroimaging alterations, altered CSF levels of IL-6, Tau, and Aβ-species compared to mild patients. Peripheral inflammation markers correlated with CSF IL-6 and Tau-species levels. Finally, in a one-year post-COVID survey, survivors were not recovered entirely (12/19) and reported confusion or memory/attention deficits (13/19). Interpretation. COVID-19 induces a broad spectrum of neurological presentations associated with changes in central nervous system (CNS) inflammatory and neurodegenerative molecular and structural biomarkers that correlate with systemic inflammation and disease severity. Given that neurological symptoms persist up to one-year post-COVID, our results urge us to investigate whether systemic, and CNS molecular changes are permanent or alleviated so that COVID-19 patients with lingering symptoms are adequately treated.
2024-08-09 | PXD033979 | Pride
Project description:SARS-Cov-2 infection is frequently associated with Nervous System (NS) manifestations. However, it is not clear how SARS-CoV-2 can cause neurological dysfunctions and which molecular processes affects. In this work, we examined the frontal cortex tissue of patients who died of COVID-19 for the presence of SARS-CoV-2, comparing qRT-PCR with ddPCR. We also investigated the transcriptomic profile of frontal cortex from COVID-19 patients and matched controls by RNA-seq analysis to characterize the transcriptional signature.
2021-03-09 | GSE164332 | GEO