A urine survivin (BIRC5) bioluminescence-based immunoassay

Area of Science:

• Biochemistry
• Immunology
• Analytical Chemistry

Background:

• Survivin is a protein biomarker implicated in various cancers.
• Accurate detection of survivin in urine is crucial for non-invasive cancer diagnostics.
• Existing detection methods may lack sensitivity or require complex procedures.

Purpose of the Study:

• To develop a highly sensitive and reliable solid-phase microplate immunoassay for detecting survivin in human urine.
• To utilize NLuc luciferase as a bioluminescence reporter for enhanced detection.
• To validate the assay's performance against a commercial colorimetric method.

Main Methods:

• Design and optimization of a novel solid-phase microplate immunoassay.
• Incorporation of NLuc luciferase for bioluminescence-based signal generation.
• Testing and validation using both model and clinical human urine samples.

Main Results:

• The developed immunoassay demonstrated high sensitivity for urine survivin detection.
• Assay results showed a strong positive correlation with a commercial colorimetric method.
• The assay is suitable for analyzing clinical human urine samples.

Conclusions:

• A novel, highly sensitive bioluminescence immunoassay for urine survivin detection has been successfully developed.
• This NLuc luciferase-based assay offers a reliable alternative to existing methods.
• The assay shows potential for non-invasive cancer biomarker monitoring.