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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Expression data from LNCaP cells

ABSTRACT: Prostate Cancer Stem Cells (CSCs) are considered one of the main reasons the tumor recurrence after chemotherapy. Here we employed a chemoresistant xenograft prostate cancer model in NOD/SCID mice and found CD54 is a reliable new marker for prostate CSCs. Gene expression profile were utilized to analyze stemness-related genes in cancer stem cells. 12 Male NOD/SCID mice were obtained from the Animal Center of the Chinese Academy of Medical Science (Beijing, China). For xenograft generation, 1Ã106 LNCaP cells were subcutaneously injected into the backs of NOD/SCID mice (n=24). When tumors reached a diameter of 5 mm after 3 d, mice were randomly divided into two groups without castration (12 per group). Mice in the treatment group were administered with cisplatin at a dose of 5 mg/kg every 3 d for 30 d. Mice in the control group were treated with vehicle PBS. Tumors were taken out for microarray assay after 30 d.

ORGANISM(S): Homo sapiens

SUBMITTER: Chong Li

PROVIDER: E-GEOD-78196 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Expression data from LNCaP cells

Project description:Prostate Cancer Stem Cells (CSCs) are considered one of the main reasons the tumor recurrence after chemotherapy. Here we employed a chemoresistant xenograft prostate cancer model in NOD/SCID mice and found CD54 is a reliable new marker for prostate CSCs. Gene expression profile were utilized to analyze stemness-related genes in cancer stem cells.

2016-02-23 | GSE78196 | GEO

CD54âNOTCH1 axis controls tumor initiation and cancer stem cell functions in human prostate cancer

Project description:Using high sensitive ArrayStar Human, we detected differentially expressed genes and circRNAs, these part of data is the aberrent expressed genes. 12 Male NOD/SCID mice were obtained from the Animal Center of the Chinese Academy of Medical Science (Beijing, China). For xenograft generation, 1Ã10^6 LNCaP cells were subcutaneously injected into the backs of NOD/SCID mice (n=24). When tumors reached a diameter of 5 mm after 3 d, mice were randomly divided into two groups without castration (12 per group). Mice in the treatment group were administered with cisplatin at a dose of 5 mg/kg every 3 d for 30 d. Mice in the control group were treated with vehicle PBS. Tumors were taken out for microarray assay after 30 d.

2016-04-13 | E-GEOD-80209 | biostudies-arrayexpress

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MicroRNAs Associated with Metastatic Prostate Cancer

Project description:To identify genes with the potential target of differentially expressed miRNA in metastatic prostate cancer, we have employed whole genome microarray expression profiling. Transplantable metastatic versus a non-metastatic prostate cancer xenograft line, both derived from one patient’s primary cancer, were developed via sub-renal capsule grafting of cancer tissue into NOD/SCID mice. The same RNA samples from both lines were also used for miRNA sequencing. Overlapped genes of predicted targets of differentially expressed miRNAs and differentially expressed in microarray platform showed potential markers of combination of miRNA and gene in metastatic prostate cancer.

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Control of prostate tumour growth by the long non-coding RNA GHSROS (LNCaP)

Project description:We overexpressed the long non-coding RNA GHSROS in the metastatic prostate cancer cell line LNCaP and subcutaneously injected the cells into NOD/SCID mice.

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MicroRNAs Associated with Metastatic Prostate Cancer

2012-03-11 | E-GEOD-28029 | biostudies-arrayexpress

EGFRvIII vs. Control - xenograft glioblastomas

Project description:Glioblastoma cell lines were xenografted onto mice and resulting tumors were profiled by microarray. Xenograft recipient mice were NOD/SCID/gamma (NSG) male mice 3 months old.

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cirRNA-seq of the fourth passage xenografts treated with 5-Fu and PBS

Project description:In this study, we established a successive xenograft model to enrich Epstein-Barr virus-associated gastric carcinoma (EBVaGC) cancer stem cells (CSCs) through long-term treatment of EBVaGC cell line SNU719 with 5-Fluorouraci (5-Fu) in mice vivo passage. Simply, NOD/SCID mice injected in the subcutaneous with SNU719 were treated with 5-Fu weekly until xenografts reached 1.5 cm diameter and the mice were euthanizedand single-cell suspensions were obtainedby collagenasedigestion. Then the purified cells were passaged in 5-Fu-treated NOD/SCID mice as above. After four successive generations,we obtained theSNU-4th cells from the fourth passage xenografts treated with 5-Fu. Compared with parental SNU719 cells, SNU-4th cells possessed the stemness characters. Increasing evidence have proved that circular RNA (circRNA) play an important role in maintaining the tumor phenotype. So, we compared circRNAs expression between the fourth passage xenografts treated with 5-Fu and PBS by RNA-sequencing, hoping to find out which circRNAs were involved in the stemness regulation of EBVaGC. we established a highly malignant EBVaGC cell line SNU-4th through long-term treatment of EBVaGC cell line SNU719 with 5-Fluorouraci in vivo passage, then we compared circRNAs expression between the fourth passage xenografts treated with 5-Fu and PBS by RNA-sequencing

2020-02-26 | GSE145894 | GEO

Effect of SMYD3 on MDA-MB-231 breast cancer cells (RNA-seq)

Project description:RNA-sequencing analysis of control and SMYD3-knockdown MDA-MB-231 tumors from the mammary glands of orthotopic xenograft NOD/SCID mice. SMYD3 (also known as KMT3E), a hisone H3 lysine K4 methyltransferase, is highly expressed in several human cancers, including colorectal and breast carcinomas. Results provide insight into the transcriptional regulation of SMYD3 in breast cancer.

2020-06-30 | GSE129268 | GEO

The NOD/SCID Xenograft Model Provides Clinically-Relevant Insights into Glucocorticoid-Induced Gene Expression in Childhood B-Cell Precursor Acute Lymphoblastic Leukemia

Project description:Introduction. Glucocorticoids are critical drugs used to treat acute lymphoblastic leukemia, and response to glucocorticoids is highly predictive of outcome. Here we report a study evaluating the NOD/SCID xenograft mouse model to investigate glucocorticoid-induced gene expression. Methods. NOD/SCID mice were inoculated with ALL-3, a glucocorticoid-sensitive xenograft, and when highly engrafted were randomised to either dexamethasone 15mg/kg or vehicle control IP. Cells were harvested at 0, 8, 24 or 48 hours thereafter, RNA was extracted and hybridised onto Illumina WG-6_V3 chips. Results. The 8 hour dexamethasone-treated timepoint had the highest number of significantly differentially expressed genes with minimal changes seen across the time-matched controls. Replicate analysis revealed that using data from 3 replicates instead of 4 resulted in excellent recovery scores of >0.9 at timepoints with high signal. When assessed at the level of pathways, gene expression changes in the 8 hour xenograft samples were similar to patients treated with glucocorticoids. Conclusions. The NOD/SCID xenograft mouse model provides a reproducible experimental model system in which to investigate clinically-relevant mechanisms of in vivo glucocorticoid-induced gene regulation in ALL; the 8 hour timepoint provides the highest number of significantly differentially expressed genes; time-matched controls are redundant and excellent recovery scores can be obtained with 3 replicates. At 0, 8, 24 or 48 hours, NOD/SCID xenograft mice were treated with vehicle control, or dexamethasone. We used 4 biological replicates per time point (3 at the 48hour time point), each of which went onto an Illumina HumanWG-6_V3_0_R1_11282955_A microarray. Samples from each of the 7 groups were divided across a total of 5 microarray slides

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