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Differential Induction of Interferon-Stimulated Genes by Cell-Based Versus Egg-Based Quadrivalent Influenza Vaccines in Children During the 2018-2019 Season

ABSTRACT: Differential Induction of Interferon-Stimulated Genes by Cell-Based Versus Egg-Based Quadrivalent Influenza Vaccines in Children During the 2018-2019 Season

PROVIDER: PRJNA1147275 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR30218000_1.fastq.gz	Fastqsanger.gz
	SRR30218000_2.fastq.gz	Fastqsanger.gz
	SRR30218001_1.fastq.gz	Fastqsanger.gz
	SRR30218001_2.fastq.gz	Fastqsanger.gz
	SRR30218002_1.fastq.gz	Fastqsanger.gz

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Differential Induction of Interferon-Stimulated Genes by Cell-Based Versus Egg-Based Quadrivalent Influenza Vaccines in Children During the 2018-2019 Season

Project description:Background: Cell-based quadrivalent-inactivated influenza vaccine has been shown to have higher vaccine effectiveness than traditional egg-based quadrivalent-inactivated influenza vaccine. This is observed despite similar levels of serum hemagglutinin antibodies induced by each vaccine. Results: Cell-based influenza vaccine induced greater interferon-stimulated and innate immune gene activation compared with egg-based influenza vaccine. Participants who seroconverted had increased interferon-signaling activation versus those who did not seroconvert. Conclusions: These data suggest that cell-based influenza vaccine stimulates immune activation differently from egg-based influenza vaccine, shedding light on reported differences in vaccine effectiveness.

2024-08-14 | GSE274606 | GEO

Comparison of Human H3N2 Antibody Responses Elicited by Egg-Based, Cell-Based, and Recombinant Protein-Based Influenza Vaccines During the 2017-2018 Season.

Project description:BackgroundThe H3N2 component of egg-based 2017-2018 influenza vaccines possessed an adaptive substitution that alters antigenicity. Several influenza vaccines include antigens that are produced through alternative systems, but a systematic comparison of different vaccines used during the 2017-2018 season has not been completed.MethodsWe compared antibody responses in humans vaccinated with Fluzone (egg-based, n = 23), Fluzone High-Dose (egg-based, n = 16), Flublok (recombinant protein-based, n = 23), or Flucelvax (cell-based, n = 23) during the 2017-2018 season. We completed neutralization assays using an egg-adapted H3N2 virus, a cell-based H3N2 virus, wild-type 3c2.A and 3c2.A2 H3N2 viruses, and the H1N1 vaccine strain. We also performed enzyme-linked immunosorbent assays using a recombinant wild-type 3c2.A hemagglutinin. Antibody responses were compared in adjusted analysis.ResultsPostvaccination neutralizing antibody titers to 3c2.A and 3c2.A2 were higher in Flublok recipients compared with Flucelvax or Fluzone recipients (P < .01). Postvaccination titers to 3c2.A and 3c2.A2 were similar in Flublok and Fluzone High-Dose recipients, though seroconversion rates trended higher in Flublok recipients. Postvaccination titers in Flucelvax recipients were low to all H3N2 viruses tested, including the cell-based H3N2 strain. Postvaccination neutralizing antibody titers to H1N1 were similar among the different vaccine groups.ConclusionsThese data suggest that influenza vaccine antigen match and dose are both important for eliciting optimal H3N2 antibody responses in humans. Future studies should be designed to determine if our findings directly impact vaccine effectiveness.Clinical trials registrationNCT03068949.

| S-EPMC7486837 | biostudies-literature

Personalized Breast Cancer Vaccines Based on Genome Sequencing

Project description:Personalized Breast Cancer Vaccines Based on Genome Sequencing

| PRJNA801392 | ENA

Personalized Breast Cancer Vaccines Based on Genome Sequencing

Project description:Personalized Breast Cancer Vaccines Based on Genome Sequencing

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Oral administration of engineered yeast produced H5HA-based vaccines

Project description:H5N8 influenza virus is a highly pathogenic pathogen for the poultry and human. Vaccination is the most effective method to control the spread of the virus right now. The traditional inactivated vaccine, though well developed and used widely, is laborious during application and more interests are stimulated in developing alternative approaches. In this study, we developed three HA gene-based yeast vaccines and our experimental results demonstrated that all of these vaccines elicited the humoral immunity, inhibited viral load in the chicken tissues, and provided protective efficacy partially due to the high dose of H5N8 virus. Molecular mechanism studies suggested that, compared to the traditional inactivated vaccine, our engineered yeast vaccines reshaped the immune cell microenvironment in bursa of Fabriciu to promote the defense and immune responses. Analysis of gut microbiota further suggested that oral administration of engineered ST1814G/H5HA yeast vaccines increased the diversity of gut microbiota and the increasement of Reuteri and Muciniphila might benefit the recovery from influenza virus infection. These results provide strong evidences for further clinical use of these engineered yeast vaccines in poultry.

2023-01-01 | GSE220714 | GEO

Oral administration of engineered yeast produced H5HA-based vaccines

Project description:Oral administration of engineered yeast produced H5HA-based vaccines

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circRNA vaccines

Project description:circRNA vaccines

| PRJNA912726 | ENA

Clinical and Economic Outcomes Associated with Cell-Based Quadrivalent Influenza Vaccine vs. Standard-Dose Egg-Based Quadrivalent Influenza Vaccines during the 2018-19 Influenza Season in the United States.

Project description:Non-egg-based influenza vaccines eliminate the potential for egg-adapted mutations and potentially increase vaccine effectiveness. This retrospective study compared hospitalizations/emergency room (ER) visits and all-cause annualized healthcare costs among subjects aged 4-64 years who received cell-based quadrivalent (QIVc) or standard-dose egg-based quadrivalent (QIVe-SD) influenza vaccine during the 2018-19 influenza season. Administrative claims data (IQVIA PharMetrics® Plus, IQVIA, USA) were utilized to evaluate clinical and economic outcomes. Adjusted relative vaccine effectiveness (rVE) of QIVc vs. QIVe-SD among overall cohort, as well as for three subgroups (age 4-17 years, age 18-64 years, and high-risk) was evaluated using inverse probability of treatment weighting (IPTW) and Poisson regression models. Generalized estimating equation models among the propensity score matched sample were used to estimate annualized all-cause costs. A total of 669,030 recipients of QIVc and 3,062,797 of QIVe-SD were identified after IPTW adjustments. Among the overall cohort, QIVc had higher adjusted rVEs against hospitalizations/ER visits related to influenza, all-cause hospitalizations, and hospitalizations/ER visits associated with any respiratory event compared to QIVe-SD. The adjusted annualized all-cause total costs were higher for QIVe-SD compared to QIVc ((+$461); p < 0.05).

| S-EPMC7911861 | biostudies-literature

Relative Effectiveness of the Cell-derived Inactivated Quadrivalent Influenza Vaccine Versus Egg-derived Inactivated Quadrivalent Influenza Vaccines in Preventing Influenza-related Medical Encounters During the 2018-2019 Influenza Season in the United States.

Project description:BackgroundThe cell-propagated inactivated quadrivalent influenza vaccine (ccIIV4) may offer improved protection in seasons where egg-derived influenza viruses undergo mutations that affect antigenicity. This study estimated the relative vaccine effectiveness (rVE) of ccIIV4 versus egg-derived inactivated quadrivalent influenza vaccine (eIIV4) in preventing influenza-related medical encounters in the 2018-2019 US season.MethodsA dataset linking primary care electronic medical records with medical claims data was used to conduct a retrospective cohort study among individuals ≥ 4 years old vaccinated with ccIIV4 or eIIV4 during the 2018-2019 season. Adjusted odds ratios (ORs) were derived from a doubly robust inverse probability of treatment-weighted approach adjusting for age, sex, race, ethnicity, geographic region, vaccination week, and health status. rVE was estimated by (1 - OR) × 100 and presented with 95% confidence intervals (CI).ResultsFollowing the application of inclusion/exclusion criteria, the study cohort included 2 125 430 ccIIV4 and 8 000 903 eIIV4 recipients. Adjusted analyses demonstrated a greater reduction in influenza-related medical encounters with ccIIV4 versus eIIV4, with the following rVE: overall, 7.6% (95% CI, 6.5-8.6); age 4-17 years, 3.9% (95% CI, .9-7.0); 18-64 years, 6.5% (95% CI, 5.2-7.9); 18-49 years, 7.5% (95% CI, 5.7-9.3); 50-64 years, 5.6% (95% CI, 3.6-7.6); and ≥65 years, -2.2% (95% CI, -5.4 to .9).ConclusionsAdjusted analyses demonstrated statistically significantly greater reduction in influenza-related medical encounters in individuals vaccinated with ccIIV4 versus eIIV4 in the 2018-2019 US influenza season. These results support ccIIV4 as a potentially more effective public health measure against influenza than an egg-based equivalent.

| S-EPMC8326580 | biostudies-literature

Association of egg mass and egg sex in chicken

Project description:Association of egg mass and egg sex: gene expression analysis from maternal RNA in the germinal disc region of layer hens (Gallus gallus)

2015-01-29 | GSE59041 | GEO

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