3874 results for "*geneti*"

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• Whole-genome-sequencing and Whole-exome-sequencing in Spastic paraplegia

  To identify the genetic cause and modifiers of Spastic paraplegia, we performed Whole-genome-sequencing and Whole-exome-sequencing of Spastic paraplegia patients.

  Study JGAS000494

• Application of organoid culture system of human gastrointestinal and thoracic cancer in genome medicine

  In order to establish preclinical models, we have established a kind of lung cancer tumoroids derived from a mucus-producing solid pulmonary adenocarcinoma patient. We performed whole exome sequencing and RNA sequencing to analyze genetic background of the tumoroids.

  Study JGAS000664

• RNA-seq data of bone marrow CD34-positive cells from 57 patients with myelodysplastic syndromes (MDS) and 5 healthy individuals (62 participants in total)

  Genetic mutations in hematopoietic neoplasms, seen in disease-specific and non-specific ways, are key drivers in pathogenesis. Typically, these mutations alone don't cause neoplasms; rather, multiple mutations or breakdowns in regulatory mechanisms occur, progressing the disease through stages. Genetic mutation patterns vary even within subtypes, suggesting shared gene expression abnormalities from different mutations may drive neoplasm development. Identifying these "common factors" is vital for effective molecular-targeted therapy development. Our study aims to elucidate neoplasm pathogenesis by analyzing patient genetic abnormalities, pinpointing "common factors" in each subtype for novel targeted therapy development.

  Study JGAS000724

• Phenotype and genotype correlation analysis in tuberous sclerosis complex

  To elucidate the genetic clues of the related clinical manifestations, whole exome sequencing analysis was performed in 163 of the patients with TSC and compared the severity of the symptoms.

  Study JGAS000688

• Amplicon sequencing of melanoma samples

  The types of biomarkers for skin tumors have been 1) biochemical markers in blood, urine, and body fluid, 2) histopathological markers, 3) genetic examination of tumor tissue, 4) tumor-susceptibility assessed by germ_x0002_line genetic examination. Biomarkers in a blood are frequently used in the treatment of cutaneous malignancies, but are not suitable for early detection of malignancies. Research on circulating tumor cells, cell free DNA, exosomes has been promoted in recent years, but clinical application is halfway. Based on these circumstances, the purpose of this study is to search for biomarkers for diagnosis, therapeutic effect, and follow-up of skin tumors, and to verify their usefulness.

  Study JGAS000351

• Comprehensive survey for the construction of an integrated database of food, gut microbiome, and health information (the "Sukoyaka Health Survey")

  We conducted a cohort-based study to investigate the association between the genetic background and diet/lifestyle in 59 healthy Japanese. We analyzed some participants living in Nagasaki. Shotgun metagenomic sequencing of fecal microbiome were analyzed.

  Study JGAS000681

• Exome analysis of cardiomyopathy patients with DSG2 variants

  This research aims to identify genetic background of cardiomyopathy patients with DSG2 pathogenic variants by exome analysis.

  Study JGAS000565

• Comprehensive survey for the construction of an integrated database of food, gut microbiome, and health information (the "Sukoyaka Health Survey") A data collection study exploring the relationship between the gut microbiome, food, health, and the genome.

  We conducted a cohort-based study to investigate the association between the genetic background and diet/lifestyle in 51 healthy Japanese. We analyzed some participants living in Nagahama. The SNP array (Japonica Array v2) was used for genotyping. Shotgun metagenomic sequencing of fecal microbiome were analyzed.

  Study JGAS000680

• Chromatin accessibility in stem cells unveils progressive transcriptional reprogramming in myelodysplastic syndrome

  Myelodysplastic syndromes (MDS) originate from hematopoietic stem cell (HSC) clones with acquired gene mutations/deletions. However, our knowledge on the epigenetic properties of MDS stem cells are limited. Here, we examined chromatin accessibility of MDS stem cells. Chromatin accessibility profiles of MDS stem cells represented the disease status better than progenitor cells and unveiled the process of stem cell reprograming during disease progression. Characterization of differentially accessible regions (DARs) revealed that MDS stem cells acquire progenitor-like chromatin accessibility with disease progression, resulting in imprecise stem-progenitor hierarchy. Profiling of transcriptional factor binding motifs at DARs revealed precocious inactivation and activation of HSC and myeloid transcriptional networks, respectively, in MDS stem cells. Increased chromatin accessibility at CEBP target sites well represented the myeloid reprograming of MDS stem cells and stratified MDS into distinct subgroups. Newly developed "Progenitor scores" based on chromatin accessibility well stratified the disease status and correlated with prognosis. These results highlight that the chromatin properties of MDS stem cells define the cell-autonomous behavior of MDS and disease progression.

  Study JGAS000718

• Amplicon sequencing of duodenal adenoma

  The aim of this study is to analyze the methylation and mutation status of non-ampullary duodenal lesions in order to detect the genetic changes for predicting the progression to adenocarcinomas.

  Study JGAS000352