Improved technique for developing creatine kinase isoenzyme bands by using a substrate in gelatin matrix

Area of Science:

• Biochemistry
• Clinical Chemistry
• Biotechnology

Background:

• Creatine kinase (CK) isoenzymes are crucial biomarkers in diagnosing conditions like myocardial infarction.
• Accurate and rapid detection of CK isoenzymes is essential for timely clinical decision-making.
• Existing methods for CK isoenzyme separation and visualization can be time-consuming.

Purpose of the Study:

• To develop a simple, rapid, and sensitive technique for visualizing CK isoenzymes separated by cellulose acetate electrophoresis.
• To optimize the reaction conditions for enhanced band clarity and intensity.
• To establish the sensitivity and turnaround time of the new method.

Main Methods:

• Separation of CK isoenzymes using cellulose acetate electrophoresis.
• Incubation of the electrophoresed strip with a substrate in gelatin for visualization.
• Drying of the developed bands in an oven at 55°C.

Main Results:

• The developed technique provides discrete, intense, and rectangular isoenzyme bands.
• The method requires only 5 minutes of contact with the substrate and 12 minutes of drying.
• Achieved a sensitivity of 2 to 5 U/liter for CK isoenzymes.
• Results for CK-MB isoenzyme are available approximately 30 minutes after specimen receipt.

Conclusions:

• This simple and rapid technique significantly improves the efficiency of CK isoenzyme analysis.
• The high sensitivity and clarity of the developed bands make it suitable for routine clinical diagnostics.
• The method offers a substantial reduction in turnaround time for CK isoenzyme testing.