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Unknown,Transcriptomics,Genomics,Proteomics

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Human T cells isolated from healthy European and African American blood donors: Control vs. Interferon alpha 2b-treated

ABSTRACT: Transcriptional profiling of human T cells analyzing the impact of race on the responsiveness to IFNa in healthy blood donors. Control and IFNa-treated samples derived from healthy Caucasian American vs. African American blood donors are compared. Two-condition experiment, Control vs. IFNa-treated. Paired design; untreated and treated samples for each donor.

ORGANISM(S): Homo sapiens

SUBMITTER: Francesco Marincola

PROVIDER: E-GEOD-17952 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Genomic scale analysis of racial impact on response to IFN-alpha.

Pos Zoltan Z Selleri Silvia S Spivey Tara L TL Wang Jeanne K JK Liu Hui H Worschech Andrea A Sabatino Marianna M Monaco Alessandro A Leitman Susan F SF Falus Andras A Wang Ena E Alter Harvey J HJ Marincola Francesco M FM

Proceedings of the National Academy of Sciences of the United States of America 20091222 2

Limited responsiveness to IFN-alpha in hepatitis C virus (HCV)-infected African-Americans compared to European Americans (AAs vs. EAs) hinders the management of HCV. Here, we studied healthy non-HCV-infected AA and EA subjects to test whether immune cell response to IFN-alpha is determined directly by race. We compared baseline and IFN-alpha-induced signal transducer and activator of transcription (STAT)-1, STAT-2, STAT-3, STAT-4, and STAT-5 protein and phosphorylation levels in purified T cells ...[more]

PMID: 20080756

Similar Datasets

Human T cells isolated from healthy European and African American blood donors: Control vs. Interferon alpha 2b-treated

Project description:Transcriptional profiling of human T cells analyzing the impact of race on the responsiveness to IFNa in healthy blood donors. Control and IFNa-treated samples derived from healthy Caucasian American vs. African American blood donors are compared.

2010-01-27 | GSE17952 | GEO

Overexpression of LMO2 causes aberrant human T-cell development in vivo by three potentially distinct cellular mechanisms

Project description:LMO2 overexpressing transgenic mouse models suggest an accumulation of immature T-cell progenitors in the thymus as main pre-leukemic event. The effects of LMO2 overexpression on human T-cell development in vivo, however, are unknown. Here we report studies of a humanized mouse model transplanted with LMO2 transduced human hematopoietic stem and progenitor cells. The effects of LMO2 overexpression were confined to the T-cell lineage although initially multipotent cells were transduced. Three effects of LMO2 on human T-cell development were observed: 1) a block at the DN/ISP stage, 2) an accumulation of CD4+CD8+ double positive CD3- cells and 3) an altered CD8/CD4 ratio with enhanced peripheral T lymphocytes Single stranded cDNA was synthesized from 1000 pg total RNA using the Ovation Pico WTA System V2 Module (NuGEN Technologies Inc, Leek, The Netherlands) in combination with the Encore Biotin Module (NuGEN Technologies Inc) according to the instructions of the manufacturer. Biotin labeling and fragmentation was performed and fragmented cDNA was hybridized onto Affymetrix Gene Atlas human U219 arrays.

2016-03-26 | E-GEOD-79625 | biostudies-arrayexpress

Progressing vs regressing melanoma metastases

Project description:We documented the transcriptional pattern of 3 progressing and 2 regressing synchronous melanoma metastases from the same patient following M-VAX treatment. Two-condition experiment, Progressing vs regressing metastases. 3 progressing and 2 regressing metastases extracted from the same patient after M-VAX immunotherapy. One replicate per array.

2010-09-11 | E-GEOD-24067 | biostudies-arrayexpress

Response to immunotherapy in melanoma metastasis

Project description:We have study 15 melanoma metastasis obtained from 2 different patients. Five metastases were obtained from patient 1 after M-VAX treatment (2 regressing and 3 progressing). Ten were obtained from patient 2, five after interferon treatment (1 progressing and 4 regreesing) and another 5 after M-VAX treatment (1 progressing and 4 regressing) We have study 15 melanoma metastasis obtained from 2 different patients. Five metastases were obtained from patient 1 after M-VAX treatment (2 regressing and 3 progressing). Ten were obtained from patient 2, five after interferon treatment (1 progressing and 4 regreesing) and another 5 after M-VAX treatment (1 progressing and 4 regressing)

2011-12-31 | E-GEOD-26383 | biostudies-arrayexpress

Genomic Fingerprints of DC Subsets in the Human Vaginal Mucosa, Skin, and Blood

Project description:Dendritic cells (DC) localize throughout the body, where they sense and capture invading pathogens to induce protective immune responses. Hence, harnessing the biology of tissue-resident DC is crucial for the rational design of vaccines against pathogens. Herein, we characterized the transcriptomes of four antigen presenting cell (APC) subsets from the human vagina (vLC, vCD14- DC, vCD14+ DC, vMM-NM-&) and compared them to those of three skin DC (sDC) subsets and blood myeloid DC. We find that APC genomic fingerprints are significantly influenced by the tissue of origin as well as by individual APC subsets. Nonetheless, CD14+ APC from both vagina and skin are geared towards innate immunity and pro-inflammatory responses, whereas CD14- DC, particularly sLC, vLC, and vCD14- DC, display both Th2-inducing and regulatory phenotypes. We also identified vAPC subset-specific cellular and functional biomarkers that will guide the design of mucosal vaccines against sexually transmitted pathogens. Vaginal and skin tissues were obtained from female patients who underwent pelvic or cosmetic surgeries under protocols approved by the Institutional Review Board (IRB) of Baylor Research Institute (BRI). Patients were not infected with HIV, HCV or TB and did not display inflammation in the tissues. No other diagnosis information was available. Blood from healthy female volunteers was obtained under a protocol approved by the IRB of BRI. 87 total samples. 6 Blood mDC; 16 Dermal CD1c+CD14-; 10 Epidermal LC; 12 Vaginal CD1c+CD14-; 13 Vaginal CD1c+CD14+; 7 Vaginal HLADR- w/ 2 replicates (Vaginal HLADR-_VM610 and Vaginal HLADR-_VM611); 9Vaginal LC; 14 Vaginal Macrophage.

2014-12-17 | E-GEOD-54480 | biostudies-arrayexpress

Human Plasma from non-Hispanic White and African American Sepsis Survivors and Non-Survivors with Primary Urinary Tract Infection LC-MS/MS

Project description:This study examined global proteomic changes in blood plasma from non-Hispanic White and African American sepsis patients with primary urinary tract infection using LC-MS/MS on a Q-Exactive HF. Proteins were quantified in the LC-MS/MS experiments using Tandem Mass Tags 16-plex (TMTpro).

2023-07-26 | PXD039509 | Pride

Human Plasma from non-Hispanic White and African American Sepsis Survivors and Non-Survivors with Primary Intra-Abdominal Infection LC-MS/MS

Project description:This study examined global proteomic changes in blood plasma from non-Hispanic White and African American sepsis patients with primary intra-abdominal infection using LC-MS/MS on a Q-Exactive HF. Proteins were quantified in the LC-MS/MS experiments using Tandem Mass Tags 16-plex (TMTpro).

2022-09-13 | PXD030476 | Pride

VEGF Isoform Transcriptome Changes in the E9.5 Murine Forebrain

Project description:Regulation of neural stem cell (NSC) fate decisions is critical during the transition from a multicellular mammalian forebrain neuroepithelium to the multilayered neocortex. Forebrain development requires coordinated vascular investment alongside NSC differentiation. Vascular endothelial growth factor A (Vegf) has proven to be a pleiotrophic gene whose multiple protein isoforms regulate a broad range of effects in neurovascular systems. To test the hypothesis that the Vegf isoforms (120, 164, and 188) are required for normal forebrain development, we analyzed the forebrain transcriptome of mice expressing specific Vegf isoforms, Vegf120, VegfF188, or a combination of Vegf120/188. Transcriptome analysis identified differentially expressed genes in embryonic day (E) 9.5 forebrain, a time point preceding dramatic neuroepithelial expansion and vascular investment in the telencephalon. Meta-analysis identified gene pathways linked to chromosome-level modifications, cell fate regulation, and neurogenesis that were altered in Vegf isoform mice. Twelve E9.5 wildtype forebrain samples were compared to four E9.5 Vegf120 mouse forebrains, four E9.5 Vegf188 mouse forebrains, three E9.5 Vegf120/188 mouse forebrains, and four E11.5 wild type forebrains using the Mouse 430. 2.0 Affymetrix GeneChip. This study comprises of new samples and reanalysis of Samples from GSE30767 and GSE8091.

2013-11-21 | E-GEOD-52542 | biostudies-arrayexpress

Molecular Profiling of Metastatic Prostate Carcinoma Reveals Substantial Inter-individual and Limited Intra-individual Diversity: Implications for Precision Oncology

Project description:Prostate cancers exhibit a spectrum of molecular aberrations of which a substantial subset are amenable to targeted therapeutics. To determine the diversity of somatic alterations present in metastasis within and between individuals we characterized the genomic landscapes of 176 tumors acquired from 63 men. In contrast to the considerable variation across individuals, the molecular diversity of tumors within an individual was substantially less: alterations in putative drivers of cancer growth and cell cycle progression status were highly concordant. While androgen receptor activity was inversely related to proliferation, the expression of Fanconi Anemia complex genes was strongly associated with increased cell cycle progression. Inhibition of FANCA, FANCC, FANCD2 and BRCA2 expression reduced prostate cancer growth. The limited molecular diversity across metastases may result from bottlenecks imposed by the dissemination process, limited evolutionary time between metastatic seeding and tumor sampling, intermixing of tumor clones, and selection resulting from treatment pressures. Though exceptions exist, evaluating a single metastasis provides a reasonable assessment of the key molecular processes that occur throughout the spectrum of disseminated tumors within an individual, and may be used for selecting treatments based on predicted molecular vulnerabilities. Custom Agilent 44K whole human genome expression oligonucleotide microarrays were used to profile 171 CRPC tumors from 63 patients. RNA was amplified prior to hybridization against a common reference pool of prostate tumor cell lines.

2015-12-18 | E-GEOD-74685 | biostudies-arrayexpress

Smoking and Obesity Related Molecular Alterations in Clear Cell Renal Cell Carcinoma

Project description:Both cigarette smoking and obesity have been implicated in increased risk of clear cell renal cell carcinoma (ccRCC); however, there are limited data regarding the molecular mechanisms that underlie these associations. We used a multi-stage design to identify and validate specific molecular targets that are associated with smoking or obesity-related ccRCC. The data deposited herein are comprised of two batches of samples that were processed at two different time periods (please see Supplementary Data in Eckel-Passow et al. Carcinogenesis first published online December 28, 2013; doi:10.1093/carcin/bgt485). The first batch of samples consisted of 12 obese subjects and 13 non-obese subjects; all of whom were self-reported never-smokers. Each of the 12 obese subjects had microarray data available on both the patient-matched tumor and adjacent-normal tissues. All of the 13 non-obese subjects had microarray data available on the tumor tissue; however, only 9 of these 13 also had microarray data available on the patient-matched adjacent-normal tissue. The second batch of samples consisted of 16 self-reported smokers and 19 self-reported never smokers; all of whom were non-obese. This second batch of samples also contained 7 subjects who were obese and self-reported smokers. All subjects in the second batch had microarray data available on both the patient-matched tumor and adjacent-normal tissues. Lastly, two of the 13 patients in batch 1 were replicated in batch 2; both were non-obese and a non-smoker. These two technical replicates (two tumor samples and two normal samples) were included during normalization but removed prior to analysis. The cel files are Par007U133Plus2.0.CEL Par008U133Plus2.0.CEL Par041U133Plus2.0.CEL Par042U133Plus2.0.CEL The metadata "duplicate" column can also be used to exclude these samples. This dataset is part of the TransQST collection.

2014-01-10 | E-GEOD-46699 | biostudies-arrayexpress

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