The QuantiSir™ Specific Gene Knockdown Quantification Kit For Transcription Factors series, offering a flexible choice of different kits used for measuring the knockdown of 47 common genes related to transcription factors, is part of Epigentek's advanced gene knockdown assay system to quantify gene knockdown induced by siRNA or antisense oligonucleotide at the protein level in cultured cells or tissues. The kit offers a more highly convenient process than traditional methods such as Northern blot, quantitative RT-PCR, and Western Blot. The kit addresses and corrects traditional problems such as the decrease in the amount of a specific mRNA not typically correlating well with protein levels present in the cell, and the lack of ability to discriminate between samples in which the differences in protein levels are minimal.

WHY CHOOSE THE QUANTISIR™ SPECIFIC GENE KNOCKDOWN QUANTIFICATION KIT FOR DNA TRANSCRIPTION FACTORS?

• Quick and efficient procedure -- completion of entire assay requires only 4 hours.
• Innovative colorimetric assay without the need for radioactivity, electrophoresis, and chromatography.
• The internal control is included in the kits to correct the variations for the cell number or protein concentrations.
• Strip microwell format makes the assay flexible: manual or high throughput.
• Simple, reliable, and consistent assay conditions.

The QuantiSir™ Specific Gene Knockdown Quantification Kit For Transcription Factors is specifically designed for quantifying gene knockdown induced by siRNA or antisense oligonucleotide at the protein level in the cultured cells or tissues. In the assay, the cell lysates containing the targeted protein are stably spotted on the specifically treated microwells with a unique protein capture buffer. The spotted protein can then be recognized with the target-specific antibody and colorimetrically measured through detection antibody-chromogen reaction system.

SCHEMATIC PROCEDURE:
	Quantification of HDAC1 knockdown. MCF-7 cells were treated or untreated with HDAC1 siRNA. Protein extracts were prepared and used for detection of HDAC1 protein level.

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