Immunofluorescence+Protocol+Started+3-21-12

Immunofluorescence Protocol Started 3-21-12

> ***Wash cells 2x with PBS. Add 2ml ice cold 100% MeOH, 5min at -20 º, aspirate MeOHLet air dry 20-30min. > > Wash three times with PBS. > *Store in 0.02% (w/v) sodium azide in PBS at 4 degrees for no more than 3 days** > > Permeabilize Cells: > **Incubate the cells in 2ml 0.1% TritonX-100 in PBS for 15min. at room temperature. Rinse cells 3 times with PBS. (50ul of TritonX 100 into 50ml of 1xPBS)** > > Block cells: > **Incubate specimens with 2ml 10% horse serum in PBS (5ml horse serum in 45ml 1XPBS) for 20 minutes to suppress non-specific binding of IgG. Blocking serum ideally should be derived from the same species in which the secondary antibody is raised. Wash once with 1XPBS.** > > > > Adding Primary: > **Add 1.5ml of the primary in PBS with 1.5% horse serum at a 1:100 dilution to corresponding wells. > Incubate room temperature for 1hr. Rinse 3 times with 3ml of PBS.** > > > Adding Secondary: > **Add secondary antibody with dye at 1:2000 to corresponding wells in 1.5% horse serum in PBS. > Incubate room temperature in the dark for 1 hour. > > Wash 3 times with PBS.** > > Adding Rhodamine Phalloidin for actin staining: (optional) > **Add 200ul of 100nM rhodamine phalloidin (dilute 3.5ul of 14uM into 500ul PBS). Incubate in the dark at room temperature for 30min. (in a humid chamber). This dye will be visible in the 555 range. > Wash 3 times with PBS** > > DAPI Staining for DNA staining DNA ** > Warm DAPI from -20 degrees to room temperature. Place one drop of DAPI on a glass slide. Place glass cover slip one slide with cells touching the DAPI. Be careful to avoid bubbles between in cover slip and slide. Fix cover slip to slide with nail polish along the edges. Store in the dark. DAPI will be visible at 480 nm.
 * Materials
 * Sterile glass cover slip
 * (what brand? cat no?)
 * found in tissue culture room?
 * Place sterile glass cover slip in the bottom of well in a 6-well culture plate
 * Plate about 2e5 cells in appropriate media on a 6 well plate in a 2 mL volume. Note that it is best to add 1 mL of media and then add the 1 mL of cells to this down along the side of the well
 * Grow overnight at 37 C 5% CO2
 * wash cells with 1X PBS
 * ** Fix cells ** for imaging

Other Information
 * Original Protocols from Kari
 * [[file:Immunofluor for adherent 4T1 cells protocol.doc]]
 * [[file:Immunofluorescence Protocol for Suspension Cells.pdf]]