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Differential gene expression profile of newly diagnosed versus relapse acute promyelocytic leukemia

ABSTRACT: The aim of this study was to gain insight into the potential mechanism of resistance to arsenic trioxide and to identify genes that are modulated in the malignant promyelocytes at the time of relapse in APL patients. We analyzed the gene expression profile by the whole genome microarray of primary promyelocytes obtained from 8 newly diagnosed and 8 at relapse patients. Agilent one-color experiment,Organism: Human ,Agilent Whole Genome Human 4x44k (AMADID: 014850) , Labeling kit: Agilent Quick-Amp labeling Kit (p/n5190-0442) newly diagnosed versus relapse acute promyelocytic leukemia

ORGANISM(S): Homo sapiens

SUBMITTER: Genotypic technology

PROVIDER: E-GEOD-42030 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Differential gene expression profile of newly diagnosed versus relapse acute promyelocytic leukemia

Project description:The aim of this study was to gain insight into the potential mechanism of resistance to arsenic trioxide and to identify genes that are modulated in the malignant promyelocytes at the time of relapse in APL patients. We analyzed the gene expression profile by the whole genome microarray of primary promyelocytes obtained from 8 newly diagnosed and 8 at relapse patients.

2013-08-02 | GSE42030 | GEO

Development of oligonucleotide microarray to study global gene expression profile in guinea pigs in response to tuberculosis infection

Project description:In this study we developed a guinea pig oligonucleotide microarray (GPOM) comprising of a total number of 45,220 features including 43,803 valid features from different mammalian species. These features are inclusive of 2971 newly annotated probes corresponding to 344 unique genes of guinea pig. As a case study, we utilized this array to examine the gene expression profile in guinea pig lungs in response to infection with Mycobacterium tuberculosis. Studying the global gene expression profile in guinea pigs allowed identification of the disease signature of pulmonary TB infection represented by several unique genes that are differentially regulated in this model. While, 1344 unique genes exhibited marked up regulation, 1856 genes were significantly down regulated. The newly developed tool not only finds its utility in studying the global gene expression profile associated with vaccination and/or M. tuberculosis infection in this highly useful animal model but would also be immensely useful in identification of new drug targets, testing of therapies, molecular genetic analysis for diseases other than tuberculosis as well. Genotypic Technology designed Custom Cavia porcellus 4x44k Gene Expression Array (Agilent-AMADID-019424) * In order to validate the GPOM developed in this study, we compared the gene expression profile of guinea pig lungs at 10 weeks post- M. tuberculosis infection with respect to that obtained from normal uninfected animals. To address this, guinea pigs were aerosol infected with M. tuberculosis, lungs were harvested at 10 weeks post-infection and RNA obtained from infected lungs was employed for cDNA synthesis and microarray hybridization. The gene expression was compared with the RNA sample obtained from the lungs of normal uninfected guinea pigs.

2012-10-01 | E-GEOD-32447 | biostudies-arrayexpress

Cryptochrome 1 regulates growth and development in Brassica through alteration in the expression of genes involved in light, phytohormone and stress signalling.

Project description:To cover a comprehensive understanding of the complex regulatory networks controlling cryptochrome 1(CRY1)-mediated photomorphogenic response in Brassica, a genome-wide differential expression analysis was performed for the 5-day-old T3 BnCRY1-OE and wild type seedlings grown under white light (100 M-BM-5mol mM-bM-^@M-^S2sM-bM-^@M-^S1) on 0.8% agar-gelled MS (Murashige and Skoog) medium containing 2% sucrose. Total RNA was extracted and cleaned up with the Qiagen RNeasy Plant Mini Prep Kit as per the manufacturerM-bM-^@M-^Ys instructions (Qiagen). The yield and RNA purity were determined spectrophotometrically. Integrity of the RNA was checked using Agilent Bioanalyzer (Agilent Technologies, USA). 500 ng RNA of each of the sample was processed for microarray analysis according to Agilent protocol. Keywords: Cryptochrome, Brassica, photomorphogenesis, differential expression. Agilent one-color experiment, Organism: B. napus (Brassica) Oligo Microarray, Agilent-022520 B. napus (Brassica) Oligo Microarray 4x44K, Labeling kit: Agilent Quick-Amp labeling Kit (p/n5190-0442)

2014-01-10 | E-GEOD-26797 | biostudies-arrayexpress

Comparison of gene expression profile of naive versus arsenic trioxide resistant acute promyelocytic leukemia cell line NB4

Project description:The aim of this study was to gain insight into the potential mechanism of resistance to arsenic trioxide (ATO). The gene expression profile of naive (NB4) (Acute promyelocytic leukemia (APL) cell line and one of its in house generated ATO resistant sub clone (NB4-VM-AsR1) was done using whole genome microarray and compared to generate the differential expression profile which will give insight into the mechanisms of ATO resistance in APL. Agilent one-color experiment,Organism: Human ,Agilent Whole Genome Human 4x44k (AMADID: 014850) , Labeling kit: Agilent Quick-Amp labeling Kit (p/n5190-0442) naive versus arsenic trioxide resistant acute promyelocytic leukemia cell line NB4

2013-08-02 | E-GEOD-42031 | biostudies-arrayexpress

Role of macrophages in invadopodia formation

Project description:The first experiment involved the DU-145 tumor cell samples cultured with or without macrophages. This experiment was planned with an aim to evaluate the gene expression changes that might occur in DU-145 cells when grown in proximity to macrophages as compared to DU145 cells being grown alone. Similarly, the second experiment, involved the macrophage samples cultured with or without the DU-145 cells. This experiment was planned with an aim to evaluate the gene expression changes that might occur in Macrophages when grown in proximity to DU-145 cells . Agilent one-color experiment, Organism: Human, Agilent-Custom Whole Genome Human 8x60k designed by Genotypic Technology Pvt. Ltd. (AMADID: 027114), Labeling kit: Agilent Quick-Amp labeling Kit (p/n5190-0442)

2012-03-08 | E-GEOD-36047 | biostudies-arrayexpress

Global gene expression profile of Japanese encephalitis virus(JEV) infected cytolytic B16F10 and Non-cytolytic JEV resistant B16F10r

Project description:B16F10, a murine melanoma cel line is cytolytic to JEV infection. We have identified a B16F10 cell line variant which is non-cytolytic to JEV infection. This variant cell line has two types of cells, one which is persistently infected JEV and another which is resistant to JEV infection. The JEV-resistant cells (B16F10r) were seperated from the presistently infected cells by single cell cloning. To understand the mechanism of JEV resistance microarray analysis was caried out to Identify and characterize genes differentially expressed during in uninfected/JEV-infected B16F10 and B16F10r cells. Agilent one-color experiment,Organism: Mus musculus ,Agilent Custom Mouse Whole Genome Mouse 8x60k Gene expression designed by Genotypic Technology Private Limited, Labeling kit: Agilent Quick-Amp labeling Kit (p/n5190-0442)

2013-08-01 | E-GEOD-42942 | biostudies-arrayexpress

Differential gene expression profile of y79 retinoblastoma cells in response to Anti - HMGA2 siRNA treatment

Project description:The differential gene expression study was conducted in the Anti - HMGA2 siRNA treated Retinoblastoma cell (Y79). The transient transfection in Y79 cells were performed using Anti-HMGA2 siRNA . The concentration and the time of incubation for the transfection was optimised to increase the silencing efficiency and reduce the off -target effects. After 48 hours of transfection the cells were collected and the whole genome cDNA microarray was performed to interpret the differential gene expression regulated by HMGA2 in Y79 cells. The results of the microarray data has been validated. One-color experiment,Organism: Human , Custom Whole Genome Human 8x60k designed by Genotypic Technology Pvt. Ltd. (Agilent-027114), Labeling kit: Agilent Quick-Amp labeling Kit (p/n5190-0442)

2012-07-31 | E-GEOD-31687 | biostudies-arrayexpress

Global Transcriptome Analysis of Spermatogenically Regressed, Recrudescent, and Active Testis of Seasonally Breeding Wall Lizards Hemidactylus flaviviridis

Project description:Reptiles are phylogenically important group of animals as mammals are evolved from them. Clearly distinct phases of reproductive cycle in wall lizard enable us to study mechanisms regulating spermatogenesis. We have performed microarray hybridizations on mouse whole genome 60K gene chip using RNA from regressed, recrudescent and active phase of reproductive cycle. Microarray data was analyzed considering regressed phase as control. To the best of our knowledge, this is the first report of transcriptome analysis of whole testis of wall lizard from various phases of reproductive cycle. Microarray results reveal that maximum number of differential gene expression is in between regressed and recrudescent phase than in between recrudescent and active phase. The genes prominently expressed in recrudescent and active phase testis are cytoskeleton organization, cell growth and division, osmo-regulation, differentiation and apoptosis. The genes showing higher expression in regressed phase belonged to functional categories such as negative regulation of growth, repression of transcription, maintenance of stem cell niche and muscle related proteins. Summarily, this is first exploratory study profiling transcriptome of three drastically different conditions of wall lizard testis. This study will pave the way for deeper insight into gene regulatory mechanisms in spermatogenesis and evolution of spermatogene processes. Agilent one-color experiment,Organism: Mouse ,Agilent-Custom Whole Genome Mouse 8x60k designed by Genotypic Technology Pvt. Ltd. (AMADID: 026986) , Labeling kit: Agilent Quick-Amp labeling Kit (p/n5190-0442)

2013-03-01 | E-GEOD-36505 | biostudies-arrayexpress

Changes in gene expressions associated with egg diapause in multivoltine silkworm Bombyx mori

Project description:Changes in gene expressions associated with egg diapause in multivoltine silkworm Bombyx mori Agilent one-color experiment, Agilent-Custom : Bombyx mori 4x44k designed by Genotypic Technology Pvt. Ltd. (AMADID: 034793) , Labeling kit: Agilent Quick-Amp labeling Kit (p/n5190-0444)

2012-09-30 | E-GEOD-35622 | biostudies-arrayexpress

Differential gene expression profile of y79 retinoblastoma cells in response to stress conditions

Project description:The Y79 retinoblastoma cells were exposed to oxidative stress conditions with hydrogen peroxide exposure. The differential gene expression profile on this condition was evaluated by comparing with untreated control Y79 cells. The cellular responses based on the differential gene expression was studied. One-color experiment,Organism: Human , Custom Whole Genome Human 8x60k designed by Genotypic Technology Pvt. Ltd. (Agilent-27114), Labeling kit: Agilent Quick-Amp labeling Kit (p/n5190-0442)

2011-03-11 | E-GEOD-27880 | biostudies-arrayexpress

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