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• Transcriptome and TCR Sequencing of T Cells from Metastectomies

  T cells were sorted from metastatic tumors (colon, rectal, breast, anal, melanoma primary histologies) following tumor dissociation and single-cell sequencing was performed (RNAseq and TCRseq). For samples from tumors that had been previously studied, cells were analyzed comparing known neoantigen-reactive TCR-expressing cells to other T cells. For samples without previously identified neoantigen reactivity, TCRs were predicted on the basis of T cell transcriptomic states. To determine candidate neoantigen screening, exome and RNA sequencing were performed on fragments of matched tumors from which T cells were sequenced   

  Study phs002748

• Patient Microbiome and Surgical Site Infection in Spine Surgery

  Single center, prospective cohort study on the contribution of the preoperative patient microbiome and resistome to surgical site infection (SSI) and resistance to surgical antibiotic prophylaxis in spine surgery. The samples in this entry comprise a subset of patients for whom paired preoperative microbiome samples and postoperative wound culture isolates were obtained. These samples were analyzed by Illumina-based sequencing of metagenomic libraries enriched for the SSI pathogen of interest using the GenCap-Seq methodology (PMID: 36121157) to identify instances of endogenous infection with strains present in the preoperative microbiome.

  Study phs003358

• Single-Cell Analysis of the Multiple Myeloma Microenvironment after Gamma-Secretase Inhibition and CAR T-Cell Therapy

  We examined the effects of gamma-secretase inhibition (GSI) on the bone marrow microenvironment in multiple myeloma patients before anti-B-cell maturation antigen (BCMA) CAR T-cell therapy. Single-nuclei RNA and ATAC sequencing revealed significant changes in gene expression and chromatin accessibility, especially in monocytes and tumor cells, following exposure to GSI. The findings suggest that GSI influences not only BCMA signaling but also broader cellular interactions within the tumor microenvironment. De-identified sequencing data from the study is available through dbGaP.

  Study phs003741

• Characterization of the molecular signature of human monocytes in aging and myelodysplastic syndrome

  Deep immunophenotypic profiling of peripheral blood immune cells from young and older control subjects as well as patients with MDS was initially performed, using mass cytometry to identify monocyte subpopulations. Abundance of monocyte subpopulations separated the samples from patients with MDS from elderly control subjects was identified. Therefore, targeted immunophenotyping of monocytes was also performed with flow cytometry and RNA sequencing from isolated CD14+ peripheral blood longitudinally in 26 subjects, six young healthy individuals, nine older healthy individuals and eleven patients with MDS.

  Study EGAS00001007676

• Subclonal diversification of primary breast cancer

  Cancers are ecosystems of genetically related clones, competing across space and time for limited resources. To understand the clonal structure of primary breast cancer, we applied genome and targeted sequencing to 295 samples from 49 patients’ tumors. The extent of subclonal diversification varied considerably among patients and encompassed many spatial patterns, including local growth, intraductal dissemination and clonal intermixture. Landmarks of disease progression, such as acquiring invasive or metastatic potential, arose within detectable subclones of antecedent lesions, suggesting that subclonal mutations could be relevant if actionable. No defined temporal order of mutation was evident, with the commonest genes, including PIK3CA, TP53, BRCA2, PTEN and MYC, mutated early in some, late in others, often exhibiting parallel evolution across subclones. Signatures of homologous recombination deficiency correlated with response to neoadjuvant chemotherapy. Thus, the interplay of mutation, growth and competition drives clonal structures of breast cancer that are complex, variable across patients and clinically relevant.

  Dataset EGAD00001000898

• Single-cell targeted DNA-sequencing and protein sequencing

  We performed single-cell targeted DNA sequencing (MissionBio) on 13 high hyperdiploid B-ALL patients at diagnosis to study the genetic heterogeneity. For a number of patients single-cell surface protein antibody sequencing was added (DAB-seq) to better characterize the different cell types. Furthermore, additional samples during treatment were collected and analysed for some patients. In this way we want to study the clonal heterogeneity of these B-ALL samples, based both on mutations and CNVs, and identify resistant clones that could be targeted after relapse.

  Study EGAS50000000580

• Molecular correlates for HPV-negative head and neck cancer engraftment prognosticate patient outcomes

  Head and neck squamous cell carcinoma (HNSCC) tumors were sampled from 88 patients. Samples were implanted subcutaenously into the flank of NOD/SCID/IL2R-/- mice. Mice were then monitored weekly for tumor growth and the time of initial palpation was recorded. Mice were euthanized when tumors reached 15 mm in diameter or after 6 months. If no tumor formed by 6 months, the patient tumor was defined as Non-engrafter (N). RNA-seq was performed on all primary tumor samples and successfully engrafted patient-derived xenograft (PDX) samples.

  Study EGAS50000000714

• Gene Expression Signature in Normal Mammary Gland from 83 Breast Cancer Patients Indicates Pre-tumorous Changes and Adverse Outcomes

  This study assessed the transcriptomic profiles of 242 samples from 83 breast cancer patients with unfavorable outcomes, including paired uninvolved mammary gland samples collected at varying distances from primary lesions. As a reference, control samples from 53 mammoplasty individuals without cancer history were studied. A custom panel of 634 genes linked to breast cancer progression and metastasis was employed for expression profiling (targeted RNA sequencing), followed by whole-transcriptome (RNA sequencing) verification experiments and statistical analyses to discern molecular signatures and their clinical relevance.

  Study EGAS50000000011

• Sequencing of in vitro generated macrophages and T cells

  Monocyte derived macrophages were polarised into M1 or M2 using IFNg+ ILP or IL-4 respectively (n =4) . Pan T cells were cultured with or without IL-2 for 4 days (n=4 - 6). Pan T cells were co-cultured with THP1 tumour cells for 20 hours in the presence or absence of ImmTAC molecules and in the presence or absence of M2 macrophages. Sorted T cells and macrophage populations prior and post co-culture were analysed by bulk RNA sequencing (60 million reads per sample) using the Illumina NovaSeq system.

  Study EGAS50000000837

• Deciphering the complex clonal heterogeneity of polycythemia vera and the response to interferon alpha

  We integrated colony formation and differentiation assays with single-cell RNA sequencing and single-cell genotyping in PV patient-derived cells vs. healthy controls to dissect how IFNa targets diseased clones during erythroid differentiation. Our findings indicate that PV-derived clones either undergo apoptosis or pass through their typical differentiation cycle, contributing to the long-term exhaustion of mutant cells in the bone marrow. The pivotal roles of ribosomal genes and clonal prerequisites in the therapeutic mechanism of IFNa are underscored by our study.

  Study EGAS50000000904

• A Prospective Study of the Oral Microbiome and Pancreatic Cancer

  Two prospective cohort studies - the Black Women's Health Study and the Southern Community Cohort Study - were used to investigate the oral microbiome in relation to pancreatic cancer risk. Using a nested case-control study design, 148 cases and 510 matched controls were included (122 Black American pancreatic cancer cases and 409 matched controls). DNA was extracted from oral wash samples, using the PowerSoil Pro kit. Paired-end whole metagenomic shotgun sequencing was performed, using the Illumina HiSeq2000 platform with a read length of 100 bp (insert size 350 bp).

  Study phs002454

• Datasets of RNA-seq of tumor samples from clear cell renal cell carcinoma patients included in the Translational Program of the NIVOREN GETUG-AFU-26 trial

  RNA-seq analyses were performed on tumor tissue samples of 115 advanced clear cell renal cell carcinoma patients who participated in the NIVOREN GETUG-AFU-26 trial. The samples were obtained prior to treatment initiation. RNA-seq was performed to evaluate previously published gene expression signatures. These included: the IMmotion T effector (CD8A, EOMES, PRF1, IFNG and CD274) and the IMmotion Myeloid (IL-6, CXCL1, CXCL2, CXCL3, CXCL8, and PTGS2) gene signatures represent gene expression patterns associated with T effector cells and myeloid cells, respectively, while JAVELIN Renal 101 Immuno (T-cell receptor signaling: CD3G, CD3E, CD8B, THEMIS, TRAT1, GRAP2, CD247; T-cell activation, proliferation, and differentiation: CD2, CD96, PRF1, CD6, IL7R, ITK, GPR18, EOMES, SIT1, NLRC3; Natural killer cell mediated cytotoxicity: D2, CD96, PRF1, CD244, KLRD1, SH2D1A; Chemokine: CCL5, XCL2; and Other immune response genes: CST7, GFI1, KCNA3, PSTPIP1) represents gene expression patterns associated with both innate and adaptive immune response.

  Dataset EGAD50000001541

• An investigation into the effects of progestin on follicular development and oocyte maturation during controlled ovarian stimulation using the Progestin-Primed Ovarian Stimulation (PPOS).

  In recent years, the Progestin-Primed Ovarian Stimulation (PPOS) method, utilizing progestin as ovulation suppressants, has gained traction as a controlled ovarian stimulation (COS) strategy in assisted reproductive technology (ART). However, the impact of progestin agents on follicular fluid, granulosa cells, and cumulus cells at the levels of gene and protein expression has not been fully assessed. This study aims to evaluate the effects of progestin agents, used in the PPOS method, on follicular development and oocyte maturation.

  Study JGAS000770

• Estonian Microbiome Project second time point dataset

  Out of the 2,509 Estonian Microbiome Project participants, a sub-cohort of over 300 individuals provided an additional stool sample after a median follow-up period of 4.4 years. All participants of the EstMB cohort gave informed consent for the data and samples to be used for scientific purposes. In the second time point, the participants were instructed to send the samples by post immediately after taking the sample and time their sample collection to avoid shipping on the weekends. The median time between sampling and arrival at the freezer in the core facility for the second time point was 53 hours and 1 minute (mean: 59 hours and 22 minutes; minimum: 34 minutes; maximum: 168 hours and 7 minutes [note: additionally, one outlying measurement was 508 hours and 27 minutes. The shotgun metagenomics paired-end sequencing was performed by Novogene Bioinformatics Technology Co., Ltd., using Illumina NovaSeq6000 platform, resulting in 4.62 ± 0.44 Gb of data per sample (insert size 350 bp, read length 2 × 250 bp).

  Dataset EGAD50000001686

• Single-cell RNA sequencing of control and Notch inhibitor treated HCC PDX model

  We generated single-cell RNA-seq data for anti-Notch2 (n=3), anti-JAG1 (n=1) and anti-gD (n=4) treated LIV78 tumors. NCR nude mice bearing similarly sized LIV78 tumors (volumes between 300-900mm3) were injected intravenously with 30mg/kg body weight of either anti-Notch2, anti-Jag1 or anti-gD control antibody 72hrs prior to tumor harvest and tumor cell isolation. Following the depletion of CD45+ and Ter119+ cells, the samples were processed for single-cell RNA-seq (scRNAseq) as described previously (Long et al., 2019) using the Chromium Single Cell 3’ Library and Gel bead kit v2, following the manufacturer’s manual. cDNAs and libraries were prepared following the manufacturer’s manual (10X Genomics). Libraries were profiled by Bioanalyzer High Sensitivity DNA kit (Agilent Technologies) and quantified using Kapa Library Quantification Kit (Kapa Biosystems, Wilmington, MA). Each library was sequenced in one lane of HiSeq 2500 (Illumina) following the manufacturer’s sequencing specification (10X Genomics) to produce the resulting FASTQ files.

  Dataset EGAD50000000738

• Evaluation of Local Response of Prostate Cancer to Irradiation Using Multiparametric MRI and MR-Guided Biopsies

  The purpose of this study was to determine the rate of local recurrence in patients with intermediate and high risk prostate cancer treated with radiotherapy. In this study, multiparametric MRI was first performed, and biopsy tissue was acquired from cancerous regions detected on MRI. Blood samples were also taken. DNA and RNA were extracted from tissue taken at baseline. DNA was used for whole exome sequencing (WES). RNA was used for gene expression microarray. Each patient then received radiation therapy with androgen deprivation therapy.

  Study phs001821

• Exome Sequencing of familial and sporadic Meniere disease patients

  This study aims to characterize the genetic architecture of spanish patients diagnosed with Meniere disease (MD), focusing on both familial (FMD) and sporadic (SMD) forms, by analyzing coding variants. Whole-exome sequencing was performed on these patients, and variants were called and annotated using the nf-core/sarek bioinformatics pipeline, including alignment to the GRCh38 reference genome. The resulting data provide a curated resource for investigating the potential genetic contribution to the pathophysiology of MD. All data will be made available for reuse under controlled access.

  Study EGAS50000001178

• Establishment of an integrated database for clinical and genomic data in cancer

  In this study, to clarify the genomic varieties of MM in Asian population, we planned to investigate the genomic features in Japanese population, represented as an Asian cohort, and preformed the comprehensive genomic analysis of MM cells with newly diagnosed multiple myeloma (NDMM) by means of targeted capture sequencing (TCS) method. In our TCS assay, MM cells are subjected to the detection of following genomic abnormalities; IG rearrangements, IG associated translocations, CNAs, and somatic mutations from 340 genes related to the pathogenesis and therapeutic agent of MM.

  Study JGAS000206

• CUT&Tag sequencing of ZFHX4 and H3K27ac in midbrain dopaminergic neurons.

  CUT&Tag sequencing of the transcription factor ZFHX4 and the histone mark H3K27ac was performed in midbrain dopaminergic neurons (mDANs) derived from induced pluripotent stem cells. This epigenomic approach enabled the identification of ZFHX4 binding sites in this specific cellular context. Comparing the CUT&Tag profiles of ZFHX4 and H3K27ac provided insights into epigenetic landscapes in mDANs and revealed whether ZFHX4 exhibits patterns similar to the active transcription mark H3K27ac. Finally, enrichment analysis of the identified peaks highlighted potential primary targets of ZFHX4 in mDANs.

  Study EGAS50000001112

• 16S rRNA gene V4 region sequencing data, ASV profiles, and sample metadata of human faecal samples predominantly from the Estonian population

  This dataset comprises 16S rRNA gene V4 region amplicon sequencing data generated from 1,826 human faecal samples, predominantly from the Estonian population. The dataset includes raw sequencing reads and processed amplicon sequence variant (ASV) outputs, consisting of ASV abundance tables, representative ASV sequences, and taxonomic assignments. In addition, a sample metadata table is provided, containing sample and host information, including sample identifier, sequencing run identifier, date of sampling, sex, age, height, weight, nationality, disease status, and Bristol stool type. Sequencing was performed using the Illumina MiSeq and iSeq 100 platforms. The cohort includes individuals with no reported disease (n = 889), gastrointestinal diseases (n = 217), allergies and asthma (n = 194), thyroid gland disorders (n = 117), cardiovascular diseases (n = 103), various general health conditions (n = 139), cancer (n = 28), diabetes (n = 20), gynaecological issues (n = 7). Disease status was unavailable for 112 samples.

  Dataset EGAD50000002306

• A New CA19-9 Cut-Off Value Identifies Lewis Antigen Status and Refines Prognostic Stratification in PDAC

  This study investigates the clinical utility of serum CA19-9 levels in pancreatic ductal adenocarcinoma (PDAC), with a focus on identifying patients with Lewis antigen–negative status due to germline FUT3 variants. Using data from multicenter prospective cohorts in Taiwan, we analyzed CA19-9 classification, FUT2/FUT3 genotypes, and clinicopathological annotations. The goal of this study is to refine prognostic stratification and reduce false-negative interpretation of CA19-9 in PDAC patients. All participants provided informed consent, and the study was approved by the relevant institutional review boards.

  Study EGAS50000001575

• Risk alleles of membranous nephropathy and recurrence of the disease on the grafted kidney

  The goal of the project was to identify risk alleles that are associated with recurrence of membranous nephropathy in the graft after kidney transplantation. First, we sequenced PLA2R1 and HLA-D loci in 248 patients with primary membranous nephropathy and identified two independent single nucleotide polymorphisms (SNPs) at risk for primary membranous nephropathy at each locus. Then we investigated whether primary membranous nephropathy at-risk variants were associated with recurrence in a retrospective cohort of 105 donor-recipient pairs and a replication cohort of 40 pairs.

  Study EGAS00001005435

• Identification of fusion transcripts by RNA-sequencing and Whole genome sequencing of a METABRIC patient sample

  Fusion transcripts and their exact breakpoints were identified in RNA-seq data (30X) of an ER-,HER2+ breast cancer. DNA-level breakpoints associated with the fusion events were determined by analyzing whole genome sequencing (WGS) data (30X) from the same donor. The RNA-seq and WGS data for this case were generated on the Illumina platform using standard protocols. The patient (MB-0152) derives from the METABRIC cohort for which array based copy number and gene expression data were previously described (EGAS00000000083).

  Study EGAS00001002475

• Independent development of lymphoid and histiocytic malignancies from a shared early precursor

  Recent reports have described lineage flexibility in patients with recurrent hematologic malignancies. We encountered a boy with T-lineage acute lymphoblastic leukemia, non-Langerhans cell histiocytosis and histiocytic sarcoma. All tumors showed identical T-cell receptor rearrangements, but SNP arrays and whole exome sequencing revealed unique aberrations in each tumor. From the genetic data we conclude that the tumors were derived from a precursor cell with lineage plasticity for both lymphoid and myeloid development. From this precursor cell, the tumors evolved with independent genetic progression in a non-linear manner.

  Study EGAS00001001353

• 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