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Turner td20 20 luminometer

Manufactured by Turner Designs
Sourced in United States

The Turner TD20/20 luminometer is a compact and versatile instrument designed for the detection and measurement of luminescent signals. It provides accurate and reliable quantification of various luminescent-based assays, including bioluminescence and chemiluminescence.

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3 protocols using turner td20 20 luminometer

1

Transient Transfection of 293 Cells

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The 293 cells were cultured and transiently transfected with 0.3 µg reporter plasmids A2 (generous gift of Professor Trevor Williams) or pTOPFLASH (Clontech Laboratories, Inc.) (18 (link)) and the indicated plasmids (0.3 µg pCMV-Myc-KCTD1 and/or 0.3 µg of pCMV-Myc-AP-2α) in 12-well plates using Lipofectamine 2000 reagent as previously described (20 (link)). Briefly, 0.1 µg pCMV-LacZ plasmid (19 (link)) was co-transfected in each well to measure transfection efficiency as an internal β-galactosidase control. The total amount of 1 µg plasmid DNA in each well was maintained by adding empty vector pCMV-Myc (Clontech Laboratories, Inc.) to each transfection. β-galactosidase and luciferase activities were assessed 24 h after transfection using a Promega Luciferase Assay system (Promega Corporation) and a Turner TD20/20 luminometer (Turner Designs). The luciferase activity is normalized relative to the β-galactosidase control. A total of three experimental repeats were performed.
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2

Luciferase Assay for Transfected Cells

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2 ×105 293 HEK cells (ATCC) were transfected with iE6E7 vector with or without PGK-Cre-bpA vector, a gift of Klaus Rajewski using Fugene HD (Promega). 48h later, cells were lysed in Bright Glo lysis buffer (Promega) for 20 min luciferase activity was assessed using a Turner TD 20/20 Luminometer (Turner Designs) and luciferase activity was normalized to protein concentration of the sample.
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3

Analyzing NF-kB Promoter Activity

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The NF-kB promoter-luciferase vector was generated by inserting a 100-bp fragment comprising the mouse NF-kB promoter region into a pGM-lu vector. Astrocytes or HEK293T cells were transfected with the NF-kB promoter-luciferase vector together with dual reporter plasmid pRL-TK using Lipofectamine LTX and Plus Reagent (Invitrogen). Cell lysates were generated using a passive lysis buffer (PLB) (Promega). Firefly and Renilla luciferase activity was measured in cell lysates according to the manufacturer's instructions using a Dual Luciferase Assay System with a Turner TD-20/20 luminometer (Turner Designs, Sunnyvale, CA, USA). Relative firefly luciferase activity was calculated by normalizing transfection efficiency to Renilla luciferase activity. The mouse NF-kB promoter region comprised the following sequence: GGCCTAACTGGCCGGTACCGCTAGCCTCGATGGGAATTTCCGGGAATTTCCGG GAATTTCCGGAATTTCCGCGCGTAGATCTGCAGAAGCTTAGACACT
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