Gene expression profile after CCM1 over expression in human umbilical vein endothelial cells
Ontology highlight
ABSTRACT:
ORGANISM(S): Homo sapiens
SUBMITTER: Andreas Fischer
PROVIDER: E-GEOD-18014 | biostudies-arrayexpress |
REPOSITORIES: biostudies-arrayexpress
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Project description:ICAP1 (also known as ITG1BP1) is a protein interaction partner of beta1-integrins and the cerebral cavernous malformation protein 1 (CCM1, also known as KRIT1). In mice Icap1 plays an important role for bone development. The function of ICAP1 in endothelial cells is poorly understood. However, the interactions with beta1-integrins and CCM1 suggest that ICAP1 should play an important role also in endothelial cells. We obtained data that ICAP1 might activate the Delta-Notch signaling cascade, a critical regulator of endothelial proliferation, migration and sprouting angiogenesis. This genome-wide expression analysis is aimed to unravelling novel mechanisms or signaling pathways how ICAP1 functions in endothelial cells. Secondly, this study aimed at defining novel target genes of Notch signaling and finally to compare the gene expression patterns of ICAP1 and NOTCH1. We used human umbilical vein endothelial cells (HUVEC) as a model system to study ICAP1 and NOTCH1 functions after adenoviral over expression in comparison to GFP over expression as control. The results of this experiment suggest that ICAP1 and NOTCH1 control a series of genes involved in cell proliferation, migration and angiogenesis. A high proportion of ICAP1-regulated genes is also regulated by NOTCH1 in a very similar manner. Human umbilical vein endothelial cells were transduced with adenovirus expressing ICAP1, NOTCH1 (only the constitutive active intracellular domain) or GFP as control. 36 hours after transduction total RNA was isolated from duplicates for genome-wide expression analysis biological replicate: GFP_1, GFP_2 biological replicate: NOTCH1_1, NOTCH1_2 biological replicate: ICAP1_1, ICAP1_2
2010-07-30 | E-GEOD-18035 | biostudies-arrayexpress
Project description:Human Umbilical Vein Endothelial Cells were treated with three newly synthesized compounds and DMSO as vehicle. Total RNA was isolated 6 and 24h after treatment and gene expression analysis was performed. Three independent experiments were performed, corresponding to rep1, rep2 and rep3. Experiment 1 (rep1) contained all substances at both time points tested. Experiment 2 (rep2) contained two of the compounds and control DMSO at both time points. Experiment 3 (rep3) contained the third compound and control DMSO at both time points.
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Project description:CCM1 (also known as KRIT1) is critical regulator of endothelial cell biology. Mutations in CCM1 can lead to the formation of cerebral cavernous malformations (CCM). CCM lesions are frequent in the human population; however, their pathogenesis is poorly understood. This genome-wide expression analysis is aimed to unravelling novel mechanisms how CCM1 executes its functions in endothelial cells. We used human umbilical vein endothelial cells (HUVEC) as a model system to study CCM1 functions after adenoviral over expression. The results of this experiment suggest that CCM1 is a critical regulator of endothelial cell cycle control and proliferation as well as migration and angiogenesis. This fits well to the roles of CCM1 in HUVEC which indeed acts as a negative regulator of angiogenesis.
2010-06-08 | GSE18014 | GEO
Project description:ENC4_505, ENC4_506 HUVEC rep1 primary human umbilical vein endothelial cell For data usage terms and conditions, please refer to http://www.genome.gov/27528022 and http://www.genome.gov/Pages/Research/ENCODE/ENCODE_Data_Use_Policy_for_External_Users_03-07-14.pdf
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Project description:Human Umbilical Vein Endothelial Cells were treated with three newly synthesized compounds and DMSO as vehicle. Total RNA was isolated 6 and 24h after treatment and gene expression analysis was performed. Three independent experiments were performed, corresponding to rep1, rep2 and rep3. Experiment 1 (rep1) contained all substances at both time points tested. Experiment 2 (rep2) contained two of the compounds and control DMSO at both time points. Experiment 3 (rep3) contained the third compound and control DMSO at both time points. 18 samples were analyzed
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Project description:To identify genes transcriptionally regulated under energy/metabolic stress, we treated CCRF-CEM/HA-AMPKa2 cells with Glucose deprivation condition for 24 hours, and examined their RNA profile using RNA-Seq. More than 3000 genes was altered (Fold Change > 1.5 or < -1.5, q value < 0.05) under energy/metabolic stress (glucose deprivation) vs. control, with approximately 60-70% genes exhibiting downregulation, whereas the remainder show upregulation. Note: sample headers in data_matrix_ctrl_no_glucose.txt, CTRL_7: Ctrl rep1 sample count number; CTRL_8: Ctrl rep2 count number; ONG_9: No glucose rep1 count number; ONG_10: No glucose rep2 count number;
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Project description:The fungal pathogen Sclerotinia sclerotiorum infects a broad range of dicotyledonous plant species and is the causative agent of stem rot in Brassica napus. To elucidate the mechanisms underlying the defense response, we studied the patterns of gene expression in a partially resistant variety of ZhongYou 821 (ZY821) and a susceptible line from Westar over five time points, 6, 12, 24, 48, and 72 hours post-inoculation (hpi) using a B. napus oligonucleotide microarray. Maximum differential gene expression was observed at 48 hpi in both genotypes with ZY821 responding more quickly than Westar. Specific sets of genes exhibited higher levels of expression at the earlier stages of the infection (6-12 hpi), including genes encoding defense-associated proteins such as chitinases, glucanases, osmotins and lectins and genes encoding transcription factors belonging to the zinc finger, WRKY, AP2, and MYB classes. 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Technical replicates: 2, dye swapped within each time for each biological replicate (total 6 slides per time point) time after innoculation: 6 hours: zy 6h inf vs control rep1, zy 6h control vs inf rep1, zy 6h inf vs control rep2, zy 6h control vs inf rep2, zy 6h inf vs control rep3, zy 6h control vs inf rep3 time after innoculation: 12 hours: zy 12h inf vs control rep1, zy 12h control vs inf rep1, zy 12h inf vs control rep2, zy 12h control vs inf rep2, zy 12h inf vs control rep3, zy 12h control vs inf rep3 time after innoculation: 24 hours: zy 24h inf vs control rep1, zy 24h control vs inf rep1, zy 24h inf vs control rep2, zy 24h control vs inf rep2, zy 24h inf vs control rep3, zy 24h control vs inf rep3 time after innoculation: 48 hours: zy 48h inf vs control rep1, zy 48h control vs inf rep1, zy 48h inf vs control rep2, zy 48h control vs inf rep2, zy 48h inf vs control rep3, zy 48h control vs inf rep3 time after innoculation: 72 hours: zy 72h inf vs control rep1, zy 72h control vs inf rep1, zy 72h inf vs control rep2, zy 72h control vs inf rep2, zy 72h inf vs control rep3, zy 72h control vs inf rep3 biological replicate: zy 6h inf vs control rep1, zy 6h inf vs control rep2, zy 6h inf vs control rep3 biological replicate: zy 6h control vs inf rep1, zy 6h control vs inf rep2, zy 6h control vs inf rep3 technical replicate - labeled-extract: zy 6h inf vs control rep1, zy 6h control vs inf rep1 technical replicate - labeled-extract: zy 6h inf vs control rep2, zy 6h control vs inf rep2 technical replicate - labeled-extract: zy 6h inf vs control rep3, zy 6h control vs inf rep3 biological replicate: zy 12h inf vs control rep1, zy 12h inf vs control rep2, zy 12h inf vs control rep3 biological replicate: zy 12h control vs inf rep1, zy 12h control vs inf rep2, zy 12h control vs inf rep3 technical replicate - labeled-extract: zy 12h inf vs control rep1, zy 12h control vs inf rep1 technical replicate - labeled-extract: zy 12h inf vs control rep2, zy 12h control vs inf rep2 technical replicate - labeled-extract: zy 12h inf vs control rep3, zy 12h control vs inf rep3 biological replicate: zy 24h inf vs control rep1, zy 24h inf vs control rep2, zy 24h inf vs control rep3 biological replicate: zy 24h control vs inf rep1, zy 24h control vs inf rep2, zy 24h control vs inf rep3 technical replicate - labeled-extract: zy 24h inf vs control rep1, zy 24h control vs inf rep1 technical replicate - labeled-extract: zy 24h inf vs control rep2, zy 24h control vs inf rep2 technical replicate - labeled-extract: zy 24h inf vs control rep3, zy 24h control vs inf rep3 biological replicate: zy 48h inf vs control rep1, zy 48h inf vs control rep2, zy 48h inf vs control rep3 biological replicate: zy 48h control vs inf rep1, zy 48h control vs inf rep2, zy 48h control vs inf rep3 technical replicate - labeled-extract: zy 48h inf vs control rep1, zy 48h control vs inf rep1 technical replicate - labeled-extract: zy 48h inf vs control rep2, zy 48h control vs inf rep2 technical replicate - labeled-extract: zy 48h inf vs control rep3, zy 48h control vs inf rep3 biological replicate: zy 72h inf vs control rep1, zy 72h inf vs control rep2, zy 72h inf vs control rep3 biological replicate: zy 72h control vs inf rep1, zy 72h control vs inf rep2, zy 72h control vs inf rep3 technical replicate - labeled-extract: zy 72h inf vs control rep1, zy 72h control vs inf rep1 technical replicate - labeled-extract: zy 72h inf vs control rep2, zy 72h control vs inf rep2 technical replicate - labeled-extract: zy 72h inf vs control rep3, zy 72h control vs inf rep3
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Genes encoding enzymes involved in JA, ethylene, and auxin synthesis were induced in both genotypes, as were those for gibberellin degradation. Changes in metabolic pathways affecting carbohydrate and energy metabolism appeared to be directed toward shuttling carbon reserves to the TCA cycle. Genes involved in glucosinolate and phenylpropanoid biosynthesis were highly up-regulated suggesting that secondary metabolites are also important components of the response to S. sclerotiorum in B. napus. Keywords: Time course, and infected vs mock infected Time course experiment (6hr, 12 hr, 24 hr, 48 hr, 72 hrs), sclerotinia infected vs mock-infected. Biological replicates: 3, independently harvested. 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