BNT162b2 vaccination enhances interferon-JAK-STAT-regulated antiviral programs in COVID-19 patients infected with the SARS-CoV-2 Beta variant
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ABSTRACT:
PROVIDER: PRJNA730810 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR14577405_1.fastq.gz | Fastqsanger.gz | |||
| SRR14577405_2.fastq.gz | Fastqsanger.gz | |||
| SRR14577406_1.fastq.gz | Fastqsanger.gz | |||
| SRR14577406_2.fastq.gz | Fastqsanger.gz | |||
| SRR14577407_1.fastq.gz | Fastqsanger.gz |
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Project description:SARS-CoV-2 infection activates interferon-controlled signaling pathways and elicits a wide spectrum of immune responses and clinical manifestations in human patients. Here, we investigate the impact of prior vaccination on the innate immune response of hospitalized COVID-19 patients infected with the SARS-CoV-2 Beta variant through RNA sequencing of peripheral blood immune cells. Four patients had received the first dose of BNT162b2 about 11 days prior to the onset of COVID-19 symptoms and five patients were unvaccinated. Patients had received dexamethasone treatment. Immune transcriptomes were obtained at days 7-13, 20-32 and 42-60 after first symptomology. RNA-seq reveals an enhanced JAK-STAT-mediated immune transcriptome response at day 10 in vaccinated patients as compared to unvaccinated ones. This increase subsides by day 35. Expression of the gene encoding the antiviral protein oligoadenylate synthetase (OAS) 1, which is inversely correlated with disease severity, and other key antiviral proteins increases in the vaccinated group. We also investigate the immune transcriptome in naïve individuals receiving their first dose of BNT162b2 and identify a gene signature shared with the vaccinated COVID-19 patients. Our study demonstrates that RNA-seq can be used to monitor molecular immune responses elicited by the BNT162b2 vaccine, both in naïve individuals and in COVID-19 patients, and it provides a biomarker-based approach to systems vaccinology.
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Project description:Heterologous ChAdOx1-BNT162b2 vaccination induces a stronger immune response than two doses of BNT162b2. Yet, the molecular transcriptome, the germline allelic variants of immunoglobulin loci and anti-Omicron antibody levels induced by the heterologous vaccination have not been formally investigated. Moreover, there is a paucity of COVID-19 vaccine studies including diverse genetic populations. Here, we show a robust molecular immune transcriptome and antibody repertoire in 46 office and lab workers from the Republic of Korea after heterologous vaccination, ChAdOx1 followed by BNT162b2. Anti-spike-specific IgG antibody levels against the ancestral SARS-CoV-2 strain increased from 70 AU/ml immediately following the first vaccination to 14,000 U/ml within three days after the second vaccination and 142,000 AU/ml after seven days. Antibody titers against more recent variants, including Omicron, were two- to three-fold lower, yet higher than those obtained after the second dose of a BNT162b2-BNT162b2 homologous vaccination. RNA-seq conducted on peripheral immune cells demonstrated a strong activation of interferon-induced genetic programs in the heterologous cohort and an increase of specific IGHV clonal transcripts encoding neutralizing antibodies was detected. Enrichment of B cell and CD4+ T cell responses was observed following both ChAdOx1-BNT162b2 heterologous and BNT162b2-BNT162b2 homologous vaccination using scRNA-seq, but clonally expanded memory B cells were relatively stronger in the heterologous cohort. In summary, a heterologous vaccination with ChAdOx1 followed by BNT162b2 provides an innate and adaptive immune response exceeding that seen in homologous BNT162b2 vaccination.
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Project description:Heterologous ChAdOx1-BNT162b2 vaccination induces a stronger immune response than two doses of BNT162b2. Yet, the molecular transcriptome, the germline allelic variants of immunoglobulin loci and anti-Omicron antibody levels induced by the heterologous vaccination have not been formally investigated. Moreover, there is a paucity of COVID-19 vaccine studies including diverse genetic populations. Here, we show a robust molecular immune transcriptome and antibody repertoire in 46 office and lab workers from the Republic of Korea after heterologous vaccination, ChAdOx1 followed by BNT162b2. Anti-spike-specific IgG antibody levels against the ancestral SARS-CoV-2 strain increased from 70 AU/ml immediately following the first vaccination to 14,000 U/ml within three days after the second vaccination and 142,000 AU/ml after seven days. Antibody titers against more recent variants, including Omicron, were two- to three-fold lower, yet higher than those obtained after the second dose of a BNT162b2-BNT162b2 homologous vaccination. RNA-seq conducted on peripheral immune cells demonstrated a strong activation of interferon-induced genetic programs in the heterologous cohort and an increase of specific IGHV clonal transcripts encoding neutralizing antibodies was detected. Enrichment of B cell and CD4+ T cell responses was observed following both ChAdOx1-BNT162b2 heterologous and BNT162b2-BNT162b2 homologous vaccination using scRNA-seq, but clonally expanded memory B cells were relatively stronger in the heterologous cohort. In summary, a heterologous vaccination with ChAdOx1 followed by BNT162b2 provides an innate and adaptive immune response exceeding that seen in homologous BNT162b2 vaccination.
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Project description:Prior BNT162b vaccination enhances interferon-JAK-STAT regulated antiviral programs in hospitalized COVID-19 patients infected with the SARS-CoV-2 Beta variant
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