An improved fluorogenic NAD(P)+ detection method using 2-acetylbenzofuran: its origin and application.

Area of Science:

• Biochemistry
• Analytical Chemistry
• Enzymology

Background:

• Nicotinamide adenine dinucleotide (phosphate) (NAD(P)(+)) plays crucial roles in cellular metabolism and redox reactions.
• Accurate and sensitive detection of NAD(P)(+) is essential for understanding various biological processes and disease states.
• Existing detection methods may lack sensitivity, speed, or require complex procedures.

Purpose of the Study:

• To develop a novel, highly sensitive, and rapid fluorogenic assay for NAD(P)(+) detection.
• To utilize 2-acetylbenzofuran as a reagent for fluorescent detection of NAD(P)(+).
• To validate the applicability of this method for detecting enzyme substrates in a high-throughput format.

Main Methods:

• Development of a fluorogenic reaction utilizing 2-acetylbenzofuran with NAD(P)(+).
• Optimization of reaction conditions for enhanced sensitivity and speed.
• Application of the developed method for the detection of cytochrome P450 (P450) substrates using a microtiter-plate format.

Main Results:

• A highly sensitive and rapid fluorogenic detection method for NAD(P)(+) was established.
• The reaction between NAD(P)(+) and 2-acetylbenzofuran yields a fluorescent product.
• Successful application in detecting P450 substrates in a microtiter-plate assay, demonstrating its practical utility.

Conclusions:

• The 2-acetylbenzofuran-based fluorogenic assay provides a sensitive and efficient means for NAD(P)(+) quantification.
• This method offers a valuable tool for biochemical research and drug discovery, particularly for enzyme activity assays.
• The microtiter-plate format facilitates high-throughput screening and analysis of NAD(P)(+)-dependent processes.