ArticleCurrent protocols in molecular biology2020
Simultaneous Examination of Cellular Pathways using Multiplex Hextuple Luciferase Assaying.
Article in Current protocols in molecular biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- A multiplex hextuple luciferase assay for advancing cellular signaling analysis in plant cells.Plant communications · 2026Article
- Internally Controlled and Dynamic Optical Measures of Functional Tumor Biology.Analytical chemistry · 2023Article
- Expanding luciferase reporter systems for cell-free protein expression.Scientific reports · 2022Article
- Synthetic Assembly DNA Cloning of Multiplex Hextuple Luciferase Reporter Plasmids.Methods in molecular biology (Clifton, N.J.) · 2022Article
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Authors and funding
6 authors.
Funding
Abstract
Multiplex experimentation that can assay multiple cellular signaling pathways in the same cells requires orthogonal genetically encoded reporters that report over large dynamic ranges. Luciferases are cost-effective, versatile candidates whose output signals can be sensitively detected in a multiplex fashion. Commonly used dual luciferase reporter assays detect one luciferase that is coupled to a single cellular pathway and a second that is coupled to a control pathway for normalization purposes. We have expanded this approach to multiplex hextuple luciferase assays that can report on five cellular signaling pathways and one control, each of which is encoded by a unique luciferase. Light emission by the six luciferases can be distinguished by the use of two distinct substrates, each specific for three luciferases, followed by spectral decomposition of the light emitted by each of the three luciferase enzymes with bandpass filters. Here, we present detailed protocols on how to perform multiplex hextuple luciferase assaying to monitor pathway fluxes through transcriptional response elements for five specific signaling pathways (i.e., c-Myc, NF-κβ, TGF-β, p53, and MAPK/JNK) using the constitutive CMV promoter as normalization control. Protocols are provided for preparing reporter vector plasmids for multiplex reporter assaying, performing cell culture and multiplex luciferase reporter vector plasmid transfection, executing multiplex luciferase assays, and analyzing and interpreting data obtained by a plate reader appropriately equipped to detect the different luminescences. © 2020 Wiley Periodicals LLC. Basic Protocol 1: Preparation of vectors for multiplex hextuple luciferase assaying Basic Protocol 2: Cell culture work for multiplex hextuple luciferase assays Basic Protocol 3: Transfection of luciferase reporter plasmids followed by drug and recombinant protein treatments Basic Protocol 4: Performing the multiplex hextuple luciferase assay.
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