12408 results for ""statistically+reactive"+taxa+in+microbial+community"

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• ALPI deficiency and inflammatory bowel disease

  Inflammatory bowel diseases (IBDs) are complex and severe disorders ascribed to alterations in the dialogue between the microbiota and the host immune system (Bouma & Strober, 2003; Maloy & Powrie, 2011). By using whole‐exome sequencing (WES), we report the identification of compound heterozygous ALPI mutations in two unrelated patients displaying severe intestinal inflammation and autoimmunity. ALPI encodes the Intestinal alkaline phosphatase, a brush border metalloenzyme that catalyses phosphate hydrolysis of the lipid moiety of LPS and thereby drastically reduces LPS pro‐inflammatory activity (Schromm et al, 1998; Goldberg et al, 2008).

  Study EGAS00001002847

• RUNX1 mutated families show phenotype heterogeneity and a somatic mutation profile unique to germline predisposed AML

  We present the clinical phenotypes and genetic mutations detected in 10 novel RUNX1 mutated FPD-MM families. Genomic analyses on these families detected two partial gene deletions, three novel mutations and five recurrent mutations as the germline RUNX1 alterations leading to FPD-MM. On 15 individuals, across the 10 families, we performed additional whole exome or myeloid panel sequencing on blood or bone marrow to determine somatic mutations that co-exist with the germline RUNX1 mutation in tumour and pre-leukaemic states.

  Study EGAS00001004273

• Epigenetics/genetics of the patient-derived xenografts of pediatric T-cell leukemia

  We compared 12 pediatric T cell acute lymphoblastic leukemias collected at initial diagnosis and relapse with their corresponding PDX models. The analysis was performed on genomic level (whole genome sequencing (WGS), whole exome sequencing (WES), multiplex ligation probe amplification (MLPA), targeted sequencing) and the epigenetic level (DNA methylation, Assay for Transposase-Accessible Chromatin sequencing (ATAC-seq)). In sum, this study underlines the remarkable genomic stability, and for the first time documents the preservation of the epigenomic landscape in T-ALL-derived PDX models.

  Study EGAS00001003248

• MutWP5__CRUK_Mutographs_of_Cancer__Lung__PD37920__WG_

  Sequencing of LCM-derived microbiopsies from explanted lung from COPD patient. Goal to assess the mutational burden, spectrum, and clonal dynamics within the tissue. Deep sampling throughout multiple regions of the lung will determine whether there are differences in smoking-related mutation burden in different portions of the lung. Whole-genome sequencing will be conducted on samples identified as promising from the initial targeted data. Results from this portion of the study will be compared to other individuals with smoking-related diseases (COPD, pulmonary fibrosis, lung cancer), and normal, non-smoking lungs.

  Study EGAS00001003320

• MutWP5__CRUK_Mutographs_of_Cancer__Lung__PD38233__WG_

  Sequencing of LCM-derived microbiopsies from explanted lung from COPD patient. Goal to assess the mutational burden, spectrum, and clonal dynamics within the tissue. Deep sampling throughout multiple regions of the lung will determine whether there are differences in smoking-related mutation burden in different portions of the lung. Whole-genome sequencing will be conducted on samples identified as promising from the initial targeted data. Results from this portion of the study will be compared to other individuals with smoking-related diseases (COPD, pulmonary fibrosis, lung cancer), and normal, non-smoking lungs.

  Study EGAS00001003322

• Anaplastic_Meningioma_WGS_X10

  Anaplastic meningiomas are a rare, malignant variant of meningioma. At present there is no effective treatment for this cancer. The aim of the study is to identify somatic mutations in anaplastic meningiomas. We plan to sequence a set of 500 known cancer genes in 50 anaplastic meningioma and corresponding peripheral blood DNA samples. Bioinformatics will be used to analyse the results to assess the probability of these mutations being causal and so likely of critical importance for the tumour growth. Identification of these mutations will guide selection of appropriate compounds to effectively treat the disease.

  Study EGAS00001000859

• BLUEPRINT DNA methylation profiling of B-cell differentiation using Illumina HumanMethylation 450K BeadArray

  We performed DNA methylation analysis in 6 different mature B-cell subpopulations using the Illumina HumanMethylation 450K BeadArray. In particular, we analyzed naive B cells from peripheral blood (naiBC); naive B cells from tonsil (t-naiBC); germinal center B cells (gcBC); plasma cells from tonsil (t-PC); memory B cells from peripheral blood (memBC) and plasma cells from bone marrow (bm-PC). All the samples were isolated from healthy donors and we analyzed 3 to 9 biological replicates of each subtype.

  Study EGAS00001001196

• Queensland Melanoma Genomic Biomarker Study

  There is a clinical need to identify melanoma patients not likely to benefit from current targeted and immuno-therapy and identify biomarkers that can predict patient outcome. Genomic biomarkers are not yet part of staging but show promising results. The aim of this study was to determine genomic and image-based biomarkers as adverse prognostic factors in stage III/IV melanoma patients with resected disease. We found combining genomic and PET/CT derived biomarkers with current clinical assessment may offer additional prognostic tools to stratify patients in the clinic.

  Study EGAS00001004619

• H3Africa - Collaborative African Genomics Network

  Genomic studies have become one of the potential tools that could aid in the understanding of disease. HIV disease progression and active TB infection have been studied using these genomic methods to interrogate host factors associated with these diseases and their progression. Prior work has focused on adult populations and limited African cohorts. The Collaborative African Genomics Network aims to fill this gap by conducting HIV and TB disease mapping studies in African children to understand how genetic variation impacts disease progression through the use of genomic technologies.

  Study EGAS00001002656

• Transcriptome analysis of samples derived from GBM tumors, and relevant cell lines established and maintained at 5% or 20% oxygen.

  The goal of the study was to compare the transcriptome of patient-derived serum-free GBM cell lines to that of parental GBM tumors. For each patient, three samples were analyzed: GBM tumor, cell line growing at 5% oxygen, and cell line growing at 20% oxygen. Analysis demonstrated the enrichement in cell cycle and DNA repair gene expression in cell lines when compared to parental tumor sample. Moreover, cells cultured at 5% oxygen maintained hypoxia, carbon metabolism and tumor progression transcriptional pattern characteristic for GBM.

  Study EGAS00001006267