Gene silencing through the use of small interfering RNA (siRNA) has become a primary tool for identifying disease-causing genes. There are several aspects for preparing and delivering effective siRNA to knockdown a target gene. The length of siRNA should be 21–23nt long with G/C content 30–50%. If a validated siRNA sequence for your target gene is not available, use siRNA generated against the entire target gene ORF. Always work with two or three different siRNA constructs to get reliable results. If you are not sure how much siRNA to use for a given experiment, start with a transfection concentration of 10-50 nM and use siRNA-specific transfection reagent to ensure efficient siRNA delivery in a wide range of cells.
Get tips on using EpiTect Bisulfite Kit to perform DNA methylation profiling Gene specific profiling - RH30 rhabdomyosarcoma IGF2
Get tips on using ON-TARGETplus Human PCSK7 (9159) siRNA - Individual to perform siRNA / miRNA gene silencing Human - A253 IGFBP-7
Get tips on using Lipofectamine® 2000 Transfection Reagent to perform siRNA / miRNA gene silencing Human - Primary Endometrial Stromal Cells IGFBP1 (Insuline-like growth factor binding protein-1) Lipid
DNA isolation and purification is the first critical step in sample preparation that helps ensure optimal performance of downstream assays like PCR, microarrays, and sequencing. Failure in yielding high-quality DNA would be the major reason that DNA doesn't work for the downstream application. To circumvent this, one should follow the recommended storage conditions to minimize DNA degradation by nucleases and shouldn't overload the purification system.
Get tips on using DNeasy Blood & Tissue Kit to perform DNA isolation / purification Bacteria - Gram positive piezophilic bacteria [AT7 and AT12 Strains]
Flow cytometry is an immunophenotyping technique whereby sing cell suspensions are stained for either cell surface markers or intracellular proteins by fluorescently-labelled antibodies and analyzed with a flow cytometer, where fluorescently-labelled molecules are excited by the laser to emit light at varying wavelengths, which is then detected by the instrument. There are several key criteria which are required to be kept in mind while designing a flow experiment- 1. Antibody titration (optimal dilution of antibodies should be calculated in order to avoid over- or under- saturated signals for proper detection of surface and intracellular markers), 2. Precision (3 or more replicates of the sample should be used per experiment), 3. Specificity (proper isotype controls should be included in the experiment), 4. Day-to-day variability (experiments should be repeated 3 or more times to ensure consistency and avoid variability due to flow cytometer settings), 5. Antibody interaction (Fluorescence minus one or FMO should be used, which is the comparison of signals from panel minus one antibody vs. the full panel), and 6. Antibody stability (fluorescently-labelled antibodies should be stored at 4C).
Get tips on using siRNA ITGAV to perform siRNA / miRNA gene silencing Human - CAL-27 ITGAV
Get tips on using ON-TARGETplus Human ITGB4 (3691) siRNA - SMARTpool to perform siRNA / miRNA gene silencing Human - DU145 ITGB4
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