psiCHECK™-2 Vector

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Vector for Optimizing RNA Interference Assays

  • Monitor changes in expression of a target gene fused to a reporter gene; decreases in luciferase activity correlate with RNAi
  • Designed for endpoint lytic assays

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Catalog number selected: C8021

$ 461.00
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psiCHECK™-2 Vector
20μg
$ 461.00
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Convenient Luminescence Signal Monitors RNAi Effect

The psiCHECK™-2 Vector is designed to provide quantitative and rapid optimization of RNA interference (RNAi). The vector enables monitoring of changes in expression of a target gene fused to a reporter gene. Renilla luciferase is used as the primary reporter gene, and the gene of interest is cloned into a multiple cloning region located downstream of the Renilla translational stop codon. Initiation of the RNAi process by synthetic siRNAs toward a gene of interest results in cleavage and subsequent degradation of the fusion mRNA. Measuring decreases in Renilla activity provides a convenient way of monitoring the RNAi effect.

In comparison with other fusion approaches (e.g., GFP or flag-tags), the Renilla luciferase approach offers more convenient and rapid quantitation with higher sensitivity. The psiCHECK™-2 Vector contains a second reporter gene, firefly luciferase, and is designed for endpoint lytic assays. Introduction of firefly luciferase in the psiCHECK™-2 Vector allows normalization of Renilla luciferase expression, achieving robust and reproducible results.

psiCHECK™ Vector Advantages for RNAi Optimization

  • Convenient RNAi target evaluation.
  • Quantitation is performed with a common luminometer; no need to purchase expensive equipment.
  • Protocols allow for measurement in live cells or crude cell lysates.
  • No labor-intensive, time-consuming assays or waiting for phenotypic changes.
  • No need for transfection normalization when using the psiCHECK™-2 Vector.

Mechanism of action of the psiCHECK™ Vector.

4339ma10-3a

psiCHECK™-2 Vector

4345MA-W

Protocols

Specifications

What's in the box?

Item Part # Size

psiCHECK™-2 Vector

C802A 1 × 20μg

Certificate of Analysis

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Use Restrictions

For Research Use Only. Not for Use in Diagnostic Procedures.

Storage Conditions

BB

Patents and Disclaimers

BY USE OF THIS PRODUCT, RESEARCHER AGREES TO BE BOUND BY THE TERMS OF THIS LIMITED USE LABEL LICENSE. If the researcher is not willing to accept the terms of this label license, and the product is unused, Promega will accept return of the unused product and provide the researcher with a full refund.
Researchers may use this product for research use only, no commercial use is allowed. "Commercial use" means any and all uses of this product and derivatives by a party for money or other consideration and may include but is not limited to use in: (1) product manufacture; and (2) to provide a service, information or data; and/or resale of the product or its derivatives, whether or not such product or derivatives are resold for use in research. Researchers shall have no right to modify or otherwise create variations of the nucleotide sequence of the luciferase gene except that researchers may: (1) create fused gene sequences provided that the coding sequence of the resulting luciferase gene has no more than four deoxynucleotides missing at the affected terminus compared to the intact luciferase gene sequence, and (2) insert and remove nucleic acid sequences in splicing research predicated on the inactivation or reconstitution of the luminescence of the encoded luciferase. No other use or transfer of this product or derivatives is authorized without the prior express written consent of Promega. In addition, researchers must either: (1) use luminescent assay reagents purchased from Promega for all determinations of luminescence activity of this product and its derivatives; or (2) contact Promega to obtain a license for use of the product and its derivatives. Researchers may transfer derivatives to others for research use provided that at the time of transfer a copy of this label license is given to the recipients and recipients agree to be bound by the terms of this label license. With respect to any uses outside this label license, including any diagnostic, therapeutic or prophylactic uses, please contact Promega for supply and licensing information. PROMEGA MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING FOR MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE WITH REGARDS TO THE PRODUCT. The terms of this label license shall be governed under the laws of the State of Wisconsin, USA. This label license relates to Promega patents and/or patent applications on improvements to the luciferase gene.

U.S. Pat. No. 8,008,006.

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