Influenza vaccination reveals sex dimorphic imprints of prior mild COVID-19
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ABSTRACT:
PROVIDER: PRJNA918339 | ENA |
REPOSITORIES: ENA
Dataset's files
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| SRR17736200_1.fastq.gz | Fastqsanger.gz | |||
| SRR17736200_2.fastq.gz | Fastqsanger.gz | |||
| SRR17736300_1.fastq.gz | Fastqsanger.gz | |||
| SRR17736300_2.fastq.gz | Fastqsanger.gz | |||
| SRR17736400_1.fastq.gz | Fastqsanger.gz |
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Project description:Influenza vaccination reveals sex dimorphic imprints of prior mild COVID-19 [RNA-Seq]
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Project description:Acute viral infections can have durable functional impacts on the immune system long after recovery, but how they affect homeostatic immune states and responses to future perturbations remain poorly understood. Here we use systems immunology approaches, including longitudinal multimodal single cell analysis (surface proteins, transcriptome, and V(D)J sequences), to comparatively assess baseline immune statuses and responses to influenza vaccination in 33 healthy individuals after recovery from mild, non-hospitalized COVID-19 (mean: 151 days after diagnosis) and 40 age- and sex-matched controls who never had COVID-19. At baseline and independent of time since COVID-19, recoverees had elevated T-cell activation signatures and lower expression of innate immune genes in monocytes. COVID-19-recovered males had coordinately higher innate, influenza-specific plasmablast, and antibody responses after vaccination compared to healthy male and COVID-19-recovered females, partly because male recoverees had monocytes with higher IL-15 responses early after vaccination coupled with elevated pre-vaccination frequencies of "virtual memory" like CD8+ T-cells poised to produce more IFNg upon IL-15 stimulation. In addition, the expression of the repressed innate immune genes in monocytes increased by day 1 through day 28 post-vaccination in recoverees, thus moving towards the pre-vaccination baseline of healthy controls. In contrast, these genes decreased on day 1 and returned to the baseline by day 28 in controls. Our study reveals sex-dimorphic impacts of prior mild COVID-19 and suggests that viral infections in humans can establish new immunological set-points impacting future immune responses in an antigen-agnostic manner.
2022-03-09 | GSE194378 | GEO
Project description:Acute viral infections can have durable functional impacts on the immune system long after recovery, but how they affect homeostatic immune states and responses to future perturbations remain poorly understood. Here we use systems immunology approaches, including longitudinal multimodal single cell analysis (surface proteins, transcriptome, and V(D)J sequences), to comparatively assess baseline immune statuses and responses to influenza vaccination in 33 healthy individuals after recovery from mild, non-hospitalized COVID-19 (mean: 151 days after diagnosis) and 40 age- and sex-matched controls who never had COVID-19. At baseline and independent of time since COVID-19, recoverees had elevated T-cell activation signatures and lower expression of innate immune genes in monocytes. COVID-19-recovered males had coordinately higher innate, influenza-specific plasmablast, and antibody responses after vaccination compared to healthy male and COVID-19-recovered females, partly because male recoverees had monocytes with higher IL-15 responses early after vaccination coupled with elevated pre-vaccination frequencies of "virtual memory" like CD8+ T-cells poised to produce more IFNg upon IL-15 stimulation. In addition, the expression of the repressed innate immune genes in monocytes increased by day 1 through day 28 post-vaccination in recoverees, thus moving towards the pre-vaccination baseline of healthy controls. In contrast, these genes decreased on day 1 and returned to the baseline by day 28 in controls. Our study reveals sex-dimorphic impacts of prior mild COVID-19 and suggests that viral infections in humans can establish new immunological set-points impacting future immune responses in an antigen-agnostic manner.
2023-01-04 | GSE206265 | GEO
Project description:Acute viral infections can have durable functional impacts on the immune system long after recovery, but how they affect homeostatic immune states and responses to future perturbations remain poorly understood1-4. Here we use systems immunology approaches, including longitudinal multimodal single-cell analysis (surface proteins, transcriptome and V(D)J sequences) to comparatively assess baseline immune statuses and responses to influenza vaccination in 33 healthy individuals after recovery from mild, non-hospitalized COVID-19 (mean, 151 days after diagnosis) and 40 age- and sex-matched control individuals who had never had COVID-19. At the baseline and independent of time after COVID-19, recoverees had elevated T cell activation signatures and lower expression of innate immune genes including Toll-like receptors in monocytes. Male individuals who had recovered from COVID-19 had coordinately higher innate, influenza-specific plasmablast, and antibody responses after vaccination compared with healthy male individuals and female individuals who had recovered from COVID-19, in part because male recoverees had monocytes with higher IL-15 responses early after vaccination coupled with elevated prevaccination frequencies of 'virtual memory'-like CD8+ T cells poised to produce more IFNγ after IL-15 stimulation. Moreover, the expression of the repressed innate immune genes in monocytes increased by day 1 to day 28 after vaccination in recoverees, therefore moving towards the prevaccination baseline of the healthy control individuals. By contrast, these genes decreased on day 1 and returned to the baseline by day 28 in the control individuals. Our study reveals sex-dimorphic effects of previous mild COVID-19 and suggests that viral infections in humans can establish new immunological set-points that affect future immune responses in an antigen-agnostic manner.
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Project description:Viral infections can have profound and durable functional impacts on the immune system. There is an urgent need to characterize the long-term immune effects of SARS-CoV-2 infection given the persistence of symptoms in some individuals and the continued threat of novel variants. Here we use systems immunology, including longitudinal multimodal single cell analysis (surface proteins, transcriptome, and V(D)J sequences) from 33 previously healthy individuals after recovery from mild, non-hospitalized COVID-19 and 40 age- and sex-matched healthy controls with no history of COVID-19 to comparatively assess the post-infection immune status (mean: 151 days after diagnosis) and subsequent innate and adaptive responses to seasonal influenza vaccination. Identification of both sex-specific and -independent temporally stable changes, including signatures of T-cell activation and repression of innate defense/immune receptor genes (e.g., Toll-like receptors) in monocytes, suggest that mild COVID-19 can establish new post-recovery immunological set-points. COVID-19-recovered males had higher innate, influenza-specific plasmablast, and antibody responses after vaccination compared to healthy males and COVID-19-recovered females, partly attributable to elevated pre-vaccination frequencies of a GPR56 expressing CD8+ T-cell subset in male recoverees that are "poised" to produce higher levels of IFNγ upon inflammatory stimulation. Intriguingly, by day 1 post-vaccination in COVID-19-recovered subjects, the expression of the repressed genes in monocytes increased and moved towards the pre-vaccination baseline of healthy controls, suggesting that the acute inflammation induced by vaccination could partly reset the immune states established by mild COVID-19. Our study reveals sex-dimorphic immune imprints and in vivo functional impacts of mild COVID-19 in humans, suggesting that prior COVID-19, and possibly respiratory viral infections in general, could change future responses to vaccination and in turn, vaccines could help reset the immune system after COVID-19, both in an antigen-agnostic manner.
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Project description:Antibody response following Omicron infection is reported to be less robust than that to other variants. Here we investigated how prior vaccination and/or prior infection modulates that response. Disease severity, antibody responses and immune transcriptomes were characterized in four groups of Omicron-infected outpatients (n=83): unvaccinated/no prior infection, vaccinated/no prior infection, unvaccinated/prior infection and vaccinated/prior infection. The percentage of patients with asymptomatic or mild disease was highest in the vaccinated/no prior infection group (87%) and lowest in the unvaccinated/no prior infection group (47%). Significant anti-Omicron spike antibody levels and neutralizing activity were detected in the vaccinated group immediately after infection but were not present in the unvaccinated/no prior infection group. Within two weeks, antibody levels against Omicron, increased. Omicron neutralizing activity in the vaccinated group exceeded that of the prior infection group. No increase in neutralizing activity in the unvaccinated/no prior infection group was seen. The unvaccinated/prior infection group showed an intermediate response. We then investigated the early transcriptomic response following Omicron infection in these outpatient populations and compared it to that found in unvaccinated hospitalized patients with Alpha infection. Omicron infected patients showed a gradient of transcriptional response dependent upon whether or not they were previously vaccinated or infected. Vaccinated patients showed a significantly blunted interferon response as compared to both unvaccinated Omicron infected outpatients and unvaccinated Alpha infected hospitalized patients typified by the response of specific gene classes such as OAS and IFIT that control anti-viral responses and IFI27, a predictor of disease outcome.
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Project description:A greater understanding of the relationships between a vaccine, the immune response it induces, and protection from disease would greatly facilitate vaccine development. Modified Vaccinia virus Ankara expressing antigen 85A (MVA85A) is a novel tuberculosis (TB) vaccine designed to enhance responses induced by Bacille Calmette-Guerin (BCG). Antigen-specific interferon-γ (IFN-γ) production is greatly enhanced by MVA85A and peaks one week post-vaccination, however, the variability in response between healthy individuals is extensive. In this study we have sought to characterize the early changes in gene expression following vaccination with MVA85A and understand how these are related to long-term immunogenicity. 24 volunteers were vaccinated with 10^8 pfu MVA85A. 12 volunteers were vaccinated intramuscularly and 12 intradermally. Volunteers were healthy and did not have HIV, HCV, HBV or latent or active tuberculosis. Blood for this study was taken on the day of vaccination, immediately prior to the vaccine being given (day 0), and 2 and 7 days post-vaccination. Volunteers with a prior BCG vaccination were vaccinated with 1x10^8 pfu MVA85A either intradermally (id) or intramuscularly (im). Blood was taken immediately prior to vaccination (day 0) and 2 and 7 days post-vaccination. PBMCs were separated and frozen down. PBMCs were then thawed and RNA was extracted directly for microarray analysis. Some arrays contain control samples: from volunteers, incubated with either media alone or antigen 85, MVA85A or MVA wild type. These samples were used separately.
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