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Role of HBO1 (KAT7/MYST2) in ovarian cancer cell line SKOV-3

ABSTRACT: Analysis of change in transcriptosome after HBO1 knockdown in SKOV-3 ovarian cancer cell line

ORGANISM(S): Homo sapiens

PROVIDER: GSE89921 | GEO | 2019/02/01

REPOSITORIES: GEO

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Role of HBO1 (KAT7/MYST2) in ovarian cancer cell line UWB1.289

Project description:Analysis of change in transcriptosome after HBO1 knockdown in UWB1.289 ovarian cancer cell line

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Role of HBO1 (KAT7/MYST2) in ovarian cancer cell line OVCAR-3

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RNA-seq analysis of the role of HBO1 (KAT7/MYST2) in the ovarian cancer cell line UWB1.289.

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Expression data from SKOV/ip-Fumock- or SKOV/ip-FuEP2/Ex2-derived tumor

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Comparisons of the global gene profile between C-CPE treated- and untreated- SKOV-3 ovarian cancer cells.

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The histone acetyltransferase HBO1 (KAT7) promotes efficient tip cell sprouting during angiogenesis

Project description:Blood vessel growth and remodelling are essential during embryonic development and disease pathogenesis. The diversity of endothelial cells (ECs) is transcriptionally evident and ECs undergo dynamic changes in gene expression during vessel growth and remodelling.Here, we investigated the role of the histone acetyltransferase HBO1 (KAT7), which is important for activating genes during development and histone H3 lysine 14 acetylation (H3K14ac). Loss of HBO1 and H3K14ac impaired developmental sprouting angiogenesis and reduced pathological EC overgrowth in the retinal endothelium. Single-cell RNA-sequencing of retinal ECs revealed an increased abundance of tip cells in Hbo1 deleted retinas, which lead to EC overcrowding in the retinal sprouting front and prevented efficient tip cell migration. We found that H3K14ac was highly abundant in the endothelial genome in both intra- and intergenic regions suggesting that the role of HBO1 is as a genome organiser that promotes efficient tip cell behaviour necessary for sprouting angiogenesis.

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The histone acetyltransferase HBO1 (KAT7) promotes efficient tip cell sprouting during angiogenesis

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The histone lysine acetyltransferase HBO1 (KAT7) regulates hematopoietic stem cell quiescence and self-renewal

Project description:In this study, we have used inducible and tissue-specific genetic deletion to investigate the function of HBO1 in the hematopoietic system. RNA-seq was used to examine the dependence of gene expression on the presence of HBO1(KAT7). Two different conditional expression sytems were used to induce Cre recombinase and delete a floxed allele of HBO1 in this study. This was to control for the treatement effect during Cre induction (interferon induction of Mx1-cre vs. tamoxifen induction of Rosa26-CreERT2). This data set indicates that HBO1 promotes expression of multiple genes encoding a hematopoietic transcription factor network essential for HSC quiescence and self-renewal in adult hematopoiesis.

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SKOV-3TR

Project description:Human paclitaxel-resistant (SKOV-3TR) ovarian cancer cell line and the parent SKOV-3 cell line were grown in RPMI medium containing 10% fetal calf serum. The experiment was done to compare the expression differences between the parent SKOV-3 cell line and the derived SKOV-3TR cell line. Cells were plated in T75 flasks. They were cultured until they were 80% confluent and harvested by trypsinization followed by pelleting of the cells. All RNA isolation was accomplished with the Tri-Reagent (SIgma) and purified using the Qiagen RNeasy Mini Kit reagents. The RNA (50 ug) was annealed with a random hexamer primer, and reverse-transcribed into cDNA with Powerscript (Clontech) reverse transcriptase for 2h at 42 degrees in the presence of amino-allyl dUTP. The cDNA from SKOV-3 RNA and SKOV-3TR RNA was covalently coupled separately with Cy3 and Cy5 monoreactive fluors in 50 mM sodium bicarbonate, pH 9.0. The Cy3 and Cy5 labelled cDNAs were combined and purified with a QIAquick PCR purification kit and hybridized to the microarray using the Hybrite chamber (Vysis). Fluorescent array images were collected for both Cy3 and Cy5 with a ScanArray 4000 (Perkin Elmer) at a resolution of 10 um at maximum laser power and photo-multiplier tube voltage of 50 to 60%. Segmentation was performed using the histogram method of the QuantArray (Perkin Elmer) package. Data was transformed into log base 2 expression ratios and normalized using scaled loess normalization. Keywords: repeat sample

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