• evo视讯(中国)

    Luciferase Assay pH-dependent Fox-activity

    kyle.kisor

    Published: 2022-11-15 DOI: 10.17504/protocols.io.n2bvj833wgk5/v1
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    Abstract

    Working protocol for how to perform luciferase assay. Worked for Fox reporter

    Before start

    Read entire protocol before starting

    Steps

    Plate Cells

    1.
    1. Plate 500K cells/well for each conditon
    2.

    Incubate o/n before transfection

    Transfection

    3.

    For each transfection condition create the following tube mixtures. ( Volumes are for 1 transfection per condition and can be scaled up)

    a. Tube 1: 125uL Optimem + 4uL lipofectamine 3000

    b. Tube 2: 125uL Optimem + 2uL p3000 reagent + 1 ug total DNA

    4.

    flick and incubate 5 minutes

    5.

    Mix together tube 1 and tube 2 and incubate 15 min

    6.

    Add dropwise to cells and incubate o/n

    7.

    Incubate 8 hours

    8.

    Change media to fresh media or media + 10mM EIPA

    48 hours incubation

    9.

    Incubate cells for 48 hours after transfection. Change media at 24 hours post transfection with fresh media and fresh media + EIPA

    Luciferase Assay

    10.

    Slowly thaw luciferase reagent in room temp water

    11.

    Wash gently each well with PBS

    12.

    Add 500uL of luciferase reagent directly to plate and nutate for 10 min RT

    13.

    Scrape each well with cell scraper and put into fresh microfuge tube

    14.

    Spin down 13,000 rpm 5 min at RT

    15.

    Add 100uL of supernatant to 4wells of white 96well plate. Wait 10 minutes

    16.

    Read luciferase on plate reader

    17.

    For Renilla reading, calculate reagent needed for 100uL each well using a 1:100 dilution of reagent: buffer

    18.

    Add 100uL of renilla reagent to each well and wait 10 min before reading

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