Project description:E.coli K-12 W3110 was grown in LB medium and harvested at each time point. And time series microarray experiments were performed based on reference desgin. In reference design, the control sample is collected at one representative time point. Combining with data from sequential design, more acculate and reliable expression series could be collected. Keywords: Reference design
Project description:E.coli K-12 W3110 was grown in LB medium and harvested at each time point. And time series microarray experiments were performed based on reference desgin. In reference design, the control sample is collected at one representative time point. Combining with data from sequential design, more acculate and reliable expression series could be collected. Keywords: Reference design The control sample is collected at one representative time point.
Project description:transcription profiling of human head and neck squamous cell carcinoma (HNSCC) samples vs. normal tonsil samples using a two-color reference design experimental setting. Used to identify differentially expressed genes in tumor/normal samples, and compare the result to that of the same samples using the self-self hybridization experimental setting. Keywords: tumor/normal comparison
Project description:transcription profiling of human head and neck squamous cell carcinoma (HNSCC) samples vs. normal tonsil samples using a two-color reference design experimental setting. Used to identify differentially expressed genes in tumor/normal samples, and compare the result to that of the same samples using the self-self hybridization experimental setting. Keywords: tumor/normal comparison 8 HNSCC tumor samples and 8 normal tonsil samples. One sample per array. Two-color reference design with a common reference sample (a modified version of the Stratagene Human Universal Reference) on each array.
Project description:Untargeted LC-MS study conducted using RP and HILIC chromatography on three groups of C. elegans: natural isolates, central metabolism mutants, and UDP-glucuronosyltransferase mutants. An augmented study design, rank transformation of the raw data, strict QA/QC followed by a meta-analysis was used for data analysis.
Project description:E.coli K-12 W3110 was grown in LB medium and harvested at each time point. And time-series microarray experiments were performed based on Sequential Design. In Sequential Design, the control sample is set to closest previous time point so that adjacent time points are compared directly. Combining with data from reference design, more accurate and reliable expression series could be collected. Keywords: timecourse
Project description:Synchronized C. elegans cultures of three geontypes -- wildype N2, daf-2(e1370) and sma-6(wk7) -- were prepared using standard techniques (http://cmgm.stanford.edu/~kimlab/index_methods.html). Live young adult worms were split between NG plates pre-seeded with the non-pathogenic E. coli strain OP50 or the Pseudomonas aeruginosa clinical isolate PA14 and incubated at 25C for 4 or 24 hours before harvesting. This experiment was repeated at least three times on independent occasions. cDNA probes were prepared from experimental samples and from reference mRNA extracted from mixed stage wild type worms grown at 25C, and were labeled with Cy3 or Cy5, as indicated. A reference experiement design type is where all samples are compared to a common reference. Elapsed Time: Time Infection: Exposure to the non-pathogenic E. coli strain OP50 or to the pathogenic Pseudomonas aeruginosa strain PA14 Strain Name: C. elegans wildtype strain N2 or the immune pathway mutants daf-2(e1370) or sma-6(wk7) Keywords: reference_design
Project description:Non-polar and polar sequential extracts were collected on three groups of C. elegans: natural isolates, central metabolism mutants, and UDP-glucuronosyltrasnferase mutants. Untargeted LC-MS (HILIC/RP - positive and negative mode) and NMR (CDCl3/H2O) studies were conducted using a Vanquish UHPLC coupled to an Orbitrap Elite MS and NEO 800 MHz Bruker NMR spectrometer, respectively. An augmented design, rank transformation of the raw data, strict feature filtering and QA/QC followed by a meta-analysis was performed on all datasets to demonstrate the benefits of this analysis approach and identify stable, significant features to prioritize for downstream compound identification efforts.