The Cord Blood Insulin and Mitochondrial DNA Content Related Methylome

In this study, we explore shared epigenetic mechanisms of the association between mtDNA content and insulin levels, supporting the developmental origins of this link. First, the association between cord blood insulin and mtDNA content in 882 newborns of the ENVIRONAGE birth cohort was assessed. Cord blood mtDNA content was established via qPCR, while cord blood levels of insulin were determined using electrochemiluminescence immunoassays. Then the cord blood DNA methylome and transcriptome were determined in 179 newborns, using the human 450K methylation Illumina and Agilent Whole Human Genome 8 × 60 K microarrays, respectively. Subsequently, we performed an epigenome-wide association study (EWAS) adjusted for different maternal and neonatal variables. Afterward, we focused on the 20 strongest associations based on p-values to assign transcriptomic correlates and allocate corresponding pathways employing the R packages ReactomePA and RDAVIDWebService. On the regional level, we examined differential methylation using the DMRcate and Bumphunter packages in R. Cord blood mtDNA content and insulin were significantly correlated (r = 0.074, p = 0.028), still showing a trend after additional adjustment for maternal and neonatal variables (p = 0.062). We found an overlap of 33 pathways which were in common between the association with cord blood mtDNA content and insulin levels, including pathways of neurodevelopment, histone modification, cytochromes P450 (CYP)-metabolism, and...
Source: Frontiers in Genetics - Category: Genetics & Stem Cells Source Type: research

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Publication date: January 2020Source: Biometric Technology Today, Volume 2020, Issue 1Author(s): US NIST (the National Institute of Standards and Technology) has released three new biometric databases – featuring fingerprints, facial photographs and iris scans – designed to help researchers reduce the error rates of biometric systems.
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Source: Society for Endocrinology - Category: Endocrinology Source Type: news
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Source: Society for Endocrinology - Category: Endocrinology Source Type: news
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Source: Society for Endocrinology - Category: Endocrinology Source Type: news
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Source: Chinese Journal of Lung Cancer - Category: Cancer & Oncology Source Type: research
Conclusion T4 stage patients had worse survival in N2 group. To get a more precisely stratification, skip metastasis and number of involved lymph node stations should be considered in future N stage classification. 
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Source: Chinese Journal of Lung Cancer - Category: Cancer & Oncology Source Type: research
Conclusion The expression of TRIM59 is closely related to the prognosis of NSCLC patients, and it is an independent risk factor for NSCLC patients. DOI: 10.3779/j.issn.1009-3419.2020.01.04
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