Gambia Neonatal Sepsis Transmission Study
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ABSTRACT:
PROVIDER: PRJEB44461 | ENA |
REPOSITORIES: ENA
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Project description:DNA methylation is the current strategy in the field of biomarker discovery due to its prognostic efficiency. Its role in prognosis and early diagnosis has been recognized in various types of cancer. Sepsis still remains one of the major causes of neonatal mortality due to the lack of sensitive diagnostic and prognostic biomarkers. Delay in sepsis diagnosis leads to treatment difficulties and poor outcomes. In this study, we have done an epigenome wide search to identify potential markers for prognosis of neonatal sepsis which may improve the treatment strategies. Illumina 450K methylation microarray revealed that the genes involved in transendothelial leukocyte migration were differentially methylated in septic newborns compared to non-septic newborns, especially the Protocadherin Beta group. Genes like ITGB2-AS1, CCS were found to be differentially methylated significantly, which gives the hope of developing novel, potential epigenetic markers for neonatal sepsis. From this study, we conclude that DNA methylation might play crucial functions in the pathophysiology of neonatal sepsis which was obvious from the difference in methylation level among septic and non-septic babies. In future, the potentiality of these epigenetic biomarkers can be studied in large scale with appropriate techniques which will give further in depth knowledge in this context. DNA methylation analysis of three septic newborns and three non-septic newborns were performed with Illumina Infinium HumanMethylation450 BeadChip. Peripheral venous blood sample was collected from the babies during the third day of birth while taking blood for routine investigations. Non-septic babies are babies admitted to NICU and sampled for other minor ailments. Genomic DNA was extracted using QIAmp DNA Blood Mini kit (Qiagen, Hilden, Germany) and bisulfite treated using EZ DNA methylation kit (Zymoresearch, USA).
2014-06-20 | E-GEOD-58651 | biostudies-arrayexpress
Project description:DNA methylation is the current strategy in the field of biomarker discovery due to its prognostic efficiency. Its role in prognosis and early diagnosis has been recognized in various types of cancer. Sepsis still remains one of the major causes of neonatal mortality due to the lack of sensitive diagnostic and prognostic biomarkers. Delay in sepsis diagnosis leads to treatment difficulties and poor outcomes. In this study, we have done an epigenome wide search to identify potential markers for prognosis of neonatal sepsis which may improve the treatment strategies. Illumina 450K methylation microarray revealed that the genes involved in transendothelial leukocyte migration were differentially methylated in septic newborns compared to non-septic newborns, especially the Protocadherin Beta group. Genes like ITGB2-AS1, CCS were found to be differentially methylated significantly, which gives the hope of developing novel, potential epigenetic markers for neonatal sepsis. From this study, we conclude that DNA methylation might play crucial functions in the pathophysiology of neonatal sepsis which was obvious from the difference in methylation level among septic and non-septic babies. In future, the potentiality of these epigenetic biomarkers can be studied in large scale with appropriate techniques which will give further in depth knowledge in this context.
2014-06-20 | GSE58651 | GEO
Project description:We aimed to identify the gene network and pathway biology associated with neonatal sepsis by determining genome-wide alterations in host RNA in infected infants Samples were obtained from control and infected human neonates.
2014-08-12 | E-GEOD-25504 | biostudies-arrayexpress
Project description:We aimed to identify the gene network and pathway biology associated with neonatal sepsis by determining genome-wide alterations in host RNA in infected infants
2014-08-12 | GSE25504 | GEO
Project description:Genome-wide DNA methylation profiling of 251 whole-blood samples from children aged 2 years from the ENID mother-child cohort in The Gambia.
2017-11-23 | GSE99863 | GEO
Project description:Genome wide DNA methylation profiling in infant's blood from a mother/child cohort in The Gambia. The main variables of the analyses were the intra-uterine exposure to aflatoxin B1 (AFB1) and the season of conception. The Illumina Infinium HumanMethylation 450k Beadchip was used to obtain DNA methylation profiles across approximately 450,000 CpGs in whole peripheral blood obtained at 3-6 months of age. A total of 124 samples were analysed, including 3 technical replicates.
2015-04-18 | GSE59592 | GEO
Project description:Genome wide DNA methylation profiling in infant's blood from a mother/child cohort in The Gambia. The main variables of the analyses were the intra-uterine exposure to aflatoxin B1 (AFB1) and the season of conception. The Illumina Infinium HumanMethylation 450k Beadchip was used to obtain DNA methylation profiles across approximately 450,000 CpGs in whole peripheral blood obtained at 3-6 months of age. A total of 124 samples were analysed, including 3 technical replicates. Bisulphite converted DNA from the 124 samples were hybridised to the Illumina Infinium HumanMethylation 450k Beadchip
2015-04-18 | E-GEOD-59592 | biostudies-arrayexpress
Project description:A retrospective analysis of Staphylococci species causing neonatal sepsis in low- and middle- income countries
| PRJEB40908 | ENA
Project description:Mycobacterium tuberculosis sequencing in The Gambia
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