Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1232836 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR32602827_1.fastq.gz | Fastqsanger.gz | |||
| SRR32602827_2.fastq.gz | Fastqsanger.gz | |||
| SRR32602828_1.fastq.gz | Fastqsanger.gz | |||
| SRR32602828_2.fastq.gz | Fastqsanger.gz | |||
| SRR32602829_1.fastq.gz | Fastqsanger.gz |
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Project description:Laboratory strain poliovirus was hybridized to the array as a control run and a proof of concept. Degree of cross hybridization between polio nucleic acid and non-polio probes was evaluated. Specificity of the probe design was determined. Keywords: control study: target detection and specificity
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Project description:<p><b>NIH birth cohort study</b><br/> Amebiasis is a common cause of diarrhea and is associated with malnutrition in grade-school aged children in an urban slum of Dhaka, Bangladesh. Field Studies of Human Immunity to Amebiasis in Bangladesh was designed to determine the contribution of amebiasis to illness in the first 2 years of life when most deaths due to diarrhea occur, and understand the immunologic and genetic factors that protect children from amebiasis.</p> <p>The hypothesis underlying the study is that susceptibility to amebiasis is determined by host innate and acquired immune responses that vary between individuals in part due to: human genetic polymorphisms; environmental influences including malnutrition and concurrent geohelminth infection; and virulence differences among Entamoeba histolytica genotypes.</p> <p>Specific aims proposed in the design of the study were to:<br/> a) Measure the incidence of amebiasis and correlate it with human and parasite genetic polymorphisms, immune responses, and environmental factors such as geohelminth infection and malnutrition;<br/> b) Test the hypothesis that protective immunity is mediated both by innate immune responses initiated via TLR stimulation as well as by mucosal IgA against the Gal/GalNAc lectin and systemic IFN-γ;<br/> c) Test for the association of common genetic polymorphisms in host innate and acquired immune genes with incidence of amebiasis. </p> <p>629 newborn babies were enrolled and followed regularly through bi-weekly surveillance for diarrheal episodes, anthropometry at 3-month interval until 60 months of age.</p> <p>The infants that were consented for GWAS analysis were genotyped in 3 separate batches at different times, on 3 different arrays. Quality control was performed on the 3 separate data sets and then jointly after merging.</p> <p>Genetic data available on 447 infants together with their phenotype data is made available in this submission</p> <p><b>PROVIDE</b> (<b>P</b>erformance of <b>R</b>otavirus and <b>O</b>ral <b>P</b>olio <b>V</b>accines <b>i</b>n <b>De</b>veloping Countries) <b>Study</b><br/> Oral polio and rotavirus vaccines are significantly less effective in children living in the developing world. Environmental enteropathy, which is associated with intestinal inflammation, decreased absorption and increased permeability, may contribute substantially to oral vaccine failure in developing country settings. The primary objective of the study was to determine the association of environmental enteropathy with the efficacy of oral polio and rotavirus vaccines in children in Bangladesh. Secondary and exploratory objectives were designed to address other possible causes of oral vaccine underperformance including malnutrition, interference with maternal or breastmilk antibodies, changes in gut microbiota, and genetic susceptibility. </p> <p>The PROVIDE study was structured as a 2x2 clinical trial with a prospective birth cohort enrollment of 700 infants and their mothers in the urban slum of Mirpur, Dhaka, Bangladesh. All children received the full series of Bangladesh's Expanded Program on Immunization vaccines, including oral polio vaccine (OPV) and followed for their first 2 years of life. Half the children were randomized to receive an inactivated polio vaccine (IPV) for their 4th dose at 39 weeks instead of the standard OPV dose. In the other trial, half the infants received the 2-dose rotavirus vaccine (Rotarix) with delayed dosing at 10 and 17 weeks of age.</p> <p>A detailed description of the study design and procedures can be obtained from PROVIDE methods publication: Kirkpatrick B.D., Colgate R.E., Mychaleckyj J.C., Haque R., Dorothy D.M., Carmolli M.P., et al. (2015) Am J Trop Med Hyg 92, 744-751</p> <p>The Poliovirus trial and results are described in Mychaleckyj et al, Vaccine 2016</p> <p>The Rotavirus trial and results are described in Colgate et al, Clin Infect Dis 2016</p> <p>The PROVIDE infants were genotyped on a custom Affymetrix Axiom array (30K SNPs) at the University of Virginia Center for Public Health Genomics; and on a pre-production version of the Illumina MEGA v2 chip at the Wellcome Trust Sanger Institute, UK. The latter genotyping was performed under the auspices of the VaccGene Consortium. Analyses are ongoing to identify variants associated with the included phenotypes. A manuscript describing the genotyping methods and analysis is in preparation for the initial phenotypes.</p> <p><b>The Infection Malnutrition Bangladesh Cohort is utilized in the following dbGaP sub-studies.</b> To view genotypes, other molecular data, and derived variables collected in these sub-studies, please click on the following sub-studies below or in the "Sub-studies" box located on the right hand side of this top-level study page <a href="study.cgi?study_id=phs001475">phs001475</a> Infection Malnutrition Bangladesh Cohort. <ul> <li><a href="study.cgi?study_id=phs001476">phs001476</a> Amebiasis Immunity</li> <li><a href="study.cgi?study_id=phs001478">phs001478</a> Polio Rotavirus Vaccines</li> <li><a href="study.cgi?study_id=phs001665">phs001665</a> Cryptosporidiosis Enteropathogens</li> </ul> </p>
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Project description:To compare the effects of different types of SARS-CoV-2 vaccines in booster immunization, this study established a population cohort vaccinated with inactivated vaccine and protein subunit vaccine as the third booster vaccine, respectively. We collected serum and PBMC samples from participants in chronological order, and performed a systematic review of distinct antibody signatures and microtranscriptomics to provide data support for booster immunization.
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Project description:We performed scRNA-seq for PBMCs isolated from 35-day-old healthy male SPF chicken at the onset or upon vaccination with live-attenuated or inactivated IBV vaccines.
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