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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Expression profile of shikonin resistant K562 cell line

ABSTRACT: After over 25cycle and 18month's induction of shikonin, K562 cell show maginal resistance to shikonin but great change in gene expression We use microarray to detect the global gene expression change of shikonin resistant cell K562 cell was treated by 4uM shikonin for 4hours, then allowed to die and grow back in fresh medium. Once recovered, cells were immidiatly subjected to another treatment.

ORGANISM(S): Homo sapiens

SUBMITTER: wu hao

PROVIDER: E-GEOD-34298 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Expression profile of shikonin resistant K562 cell line

Project description:After over 25cycle and 18month's induction of shikonin, K562 cell show maginal resistance to shikonin but great change in gene expression We use microarray to detect the global gene expression change of shikonin resistant cell

2011-12-10 | GSE34298 | GEO

Transcriptome and microRNA array analyses reveal a stimulatory effect of the phytochemical shikonin on epithelial–mesenchymal transition (EMT) in mouse skin

Project description:This SuperSeries is composed of the following subset Series: GSE32694: Transcriptome and microRNA array analyses reveal a stimulatory effect of the phytochemical shikonin on epithelial–mesenchymal transition (EMT) in mouse skin [gene expression profile] GSE32695: Transcriptome and microRNA array analyses reveal a stimulatory effect of the phytochemical shikonin on epithelial–mesenchymal transition (EMT) in mouse skin [microRNA expression profile] Refer to individual Series

2011-12-31 | E-GEOD-32696 | biostudies-arrayexpress

Transcriptome and microRNA array analyses reveal a stimulatory effect of the phytochemical shikonin on epithelial–mesenchymal transition (EMT) in mouse skin [microRNA expression profile]

Project description:We investigate and define here the in vivo biological effects of shikonin, at the transcriptome and microRNA levels, in mouse skin tissues. Through cross-examination between total RNA transcripts and microRNA data sets, we predicted that shikonin treatment may affect the epithelial–mesenchymal transition (EMT) process and the expression of related microRNAs, including 200a, 200b, 200c, 141, 205 and 429 microRNAs, in test skin tissue. Indeed, further in vivo tests on mouse abdominal skin tissue confirmed the stimulatory effect of shikonin on regulatory molecules of the EMT process in epidermal tissue. In addition, RT-PCR analyses confirmed the downregulating effects of shikonin on the expression of microRNA 205 and members of the microRNA 200 family, which are known to be involved in the EMT process. Gene expression of two RNA targets of the microRNA 200 family in EMT regulation, namely Sip1 (Zeb2) and Tcf8 (Zeb1), were consistently upregulated by shikonin treatment. We demonstrate here that shikonin can confer a potent stimulatory effect on the EMT process and suppress the associated-microRNAs expression in vivo in skin tissues. In order to systematically evaluate the effects of shikonin on mouse skin tissues, we next compared the gene expression profiles in shikonin-treated and acetone-treated skin tissues at different time points. Total RNA samples were collected at indicated time points for transcriptome and microRNA array analyses.

2011-12-31 | E-GEOD-32695 | biostudies-arrayexpress

Transcriptome and microRNA array analyses reveal a stimulatory effect of the phytochemical shikonin on epithelial–mesenchymal transition (EMT) in mouse skin [gene expression profile]

2011-12-31 | E-GEOD-32694 | biostudies-arrayexpress

RNA-seq of AD patient-derived induced neurons treated with shikonin

Project description:We have obtained fibroblast cultures from old adult human control donors and Alzheimer patients. The fibroblasts were reprogrammed into directly induced neurons (iNs) to serve as an adult-like and age-equivalent model for aging and neurodegeneration. iNs were treated for 10 days with 10 µM shikonin or DMSO.

2022-07-02 | E-MTAB-11855 | biostudies-arrayexpress

Inhibitory effect of shikonin on lung cancer cells

Project description:To investigate the effect of shikonin on the proliferation and migration of lung cancer cells, we used shikonin treated with A549 and H1299 cells We then performed gene expression profiling using RNA-seq data from A549 cells.

2024-01-10 | GSE222640 | GEO

RNA-Seq analysis of breast cancer cells after shikonin treatment

Project description:We performed RNA-seq analysis using differnt breast cancer cell lines (MCF-7, SK-BR-3 and MDA-MB-231) after shikonin treatment. We reported that shikonin enhances the expression of DUSP-1 and DUSP-2. Shikonin induces apoptosis and decreases the phosphorylation of JNK1/2 through activationg DUSP-1 and DUSP2.

2018-02-13 | GSE100687 | GEO

Effect of Shikonin on Aspergillus terreus

Project description:Aspergillus terreus is an emerging fungal pathogen in immunocompromised patients. Due to intrinsic resistance of AmB against A. terreus and acquiring resistance to azoles, alternative antifungal strategy needs investigation. Thus, we explored the activity of phytochemicals such as Shikonin, gallic acid, coumaric acid and quercetin against A. terreus. Amongst these, shikonin showed significant inhibition at MIC50;2 µg/ml, considered for proteome profiling.

2021-06-19 | PXD016797 | Pride

Effects of shikonin on the gene expression of human lymphoma U937 cells

2010-10-20 | GSE24743 | GEO

Effects of shikonin on the gene expression of human lymphoma U937 cells

Project description:Shikonin is a active component isolated from the roots of the traditional Chinese herb Lithospermum erythrorhizon and exhibits multiple pharmacological properties, such as anti-oxidant, anti-inflammatory, and anti-tumor effects. Here, the effects of shikonin on the gene expression of human lymphoma U937 cells were investigated using an Affymetrix GeneChip system. The cells were treated with 100 nM shikonin, and followed by incubation for 3h at 37Â°C. Flow cytometry analysis with Annexin-V and propidium iodide demonstrated that no cell death was observed in the cells at 100 nM shikonin. Of approximately 47,000 probe sets analyzed, many genes that were differentially expressed by a factor 2.0 or greater were identified in the cells treated with the compound. U937 cells, a human lymphoma cell line, were treated with 100 nM shikonin and followed by incubation for 3h at 37Â°C. The cells treated with dimethyl sulfoxide were served as control. Total RNA samples were prepared from the cells. Gene expression was analyzed by an Affymetrix GeneChipÂ® system with a Human Genome U133-plus 2.0 array for analysis of over 47,000 transcripts. Sample preparation for array hybridization was carried out as described in the manufacturerâs instructions.

2010-10-20 | E-GEOD-24743 | biostudies-arrayexpress

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