Project description:Cellular directed migration is critical to invasion-metastasis cascade of cancer cells. We used in vitro transwell model to screen two esophageal cancer cell lines (KYSE30/180) and obtained two pairs of subpopulations with distinct motility ability. Then we used microarrays to detail the differentially expressed genes and microRNAs between these two cell sublines (30U/D and 180U/D) to identify those responsible for ESCC motility. KYSE30/180 cells were subject to four successive selections using transwell (CORNING, USA). Subpopulations penetrated through membrane (D) or not (U) were harvested respectively for RNA extraction and hybridization on Affymetrix genome and LC Sciences microRNA microarrays simultaneously.
Project description:Cellular directed migration is critical to invasion-metastasis cascade of cancer cells. We used in vitro transwell model to screen two esophageal cancer cell lines (KYSE30/180) and obtained two pairs of subpopulations with distinc motiliyt ability. Then we used microarrays to detail the differentially expressed genes and microRNAs between these two cell sublines (30U/D and 180U/D) to identify those responsible for ESCC motility. KYSE30/180 cells were subject to four successive selections using transwell (CORNING, USA). Subpopulations penetrated through membrane (D) or not (U) were harvested respectively for RNA extraction and hybridization on Affymetrix genome and LC Sciences microRNA microarrays
Project description:The objectives of our study were to identify microRNA (miRNA) present in bovine sperm and to evaluate the effects of fescue toxicosis on sperm miRNA expression. Angus bulls were assigned to treatments of either toxic or non-toxic fescue seed diets. Semen was collected and subjected to microRNA (miRNA) isolation after 126 days. Three bull's sperm miRNA samples from each treatment group were chosen and pooled for deep sequencing. Sequencing results were used to create a custom microarray for miRNA comparison between groups. LC Sciences was used as a service provider for the sequencing and custom microarray.
Project description:Mesenchymal stem cell transplantation (MSCT) has been widely used to treat a variety of human diseases. However, the detailed mechanisms underlying its success are not fully understood. Here we show that MSCT rescues recipient bone marrow mesenchymal stem cell (BMMSC) function in Fas-deficient-MRL/lpr systemic lupus erythematosus (SLE) mice via a miR-29b/Dnmt1/Notch epigenetic cascade. Using the microRNA microarray, we found that MSCT could rescue the high level of miR-29b in the recipient BMMSCs of MRL/lpr mice. In the present study, mesenchymal stem cell transplantation (MSCT) was used to treat MRL/lpr mice. One week after the treatment, normal control MSCs from C3H/HeJ mice (C3H), recipient MSCs from untreated MRL/lpr mice (LPR) and recipient MSCs from MSCT-treated MRL/lpr mice (MSC) were used for total RNA extraction and microRNA microarray for analysis of microRNA expressions.
Project description:We have a well characterized crispld2 morpholino in the danio rerio organism system. The aim of this experiment was to determine differential gene expression in the morpholino zebrafish compared to uninjected zebrafish.
Project description:Rabies virus (RABV) infection led to alteration of microRNA expression in NA and microglia. A sixteen-chip study was performed using total RNA isolated from NA and microglia infected with rabies virus CVS-11 (Challenge virus standard) or mock infected as a control. RNA was isolated from microglia at 12, 24, or 48 hpi and from NA at 24 hpi.
Project description:For a long time, the BARD1 (BRCA1-associated RING domain 1) protein has been considered as a BRCA1 (BReast Cancer susceptibility gene 1, early onset) interactor, and tumor suppressor mutated in breast and ovarian cancers. Despite its functions in a stable heterodimer with BRCA1, there is increasing evidence for BRCA1-independent functions of BARD1. Here, we investigated BARD1 expression and function in human acute myeloid leukemias and their modulation by epigenetic mechanisms and microRNA. We show that the HDACi (histone deacetylase inhibitor) Vorinostat reduces BARD1 mRNA levels by increasing miR-19a and miR-19b expression levels. Moreover, we identify specific BARD1 isoforms that might act as tumor diagnostic and prognostic markers. Two-condition experiment: untreated NB4 cells (control) vs. NB4 cells treated with 5M-BM-5M SAHA (Vorinostat) for 6h. Biological replicates: 3 control, 3 treated, independently grown and harvested at 6 hours. One replicate per array.
Project description:This is the microRNA experiment from the study of ethanol effects on the cultured cell line MCF-7, which is derived from a human malignancy. Cells were cultured in 6 well plates for a period of 4 weeks in the presence or absence of 25 mM ethanol. Cells were washed once with phosphate buffered saline pH 7.4, and RNA was extracted using the Mirvana kit for total RNA extraction. RNA samples were analyzed for microRNA prevalence by LC Sciences of Houston, Tx, USA. The results from 2 separate experiments were normalized and collected as the MultiArray Analysis Data presented here. The miR values are on an arbitrary scale. There are 2 experiments, each containing a control (no ethanol) sample and a sample that was exposed to 25 mM ethanol for 4 weeks.