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Published on: June 30, 2018
[Methods for the Crimean-Congo hemorrhage fever diagnosis]
Insights
This study presents a novel reverse transcription-nested two-step polymerase chain reaction (RT-PCR) diagnostic kit for Crimean-Congo Hemorrhage Fever (CCHF) detection. This new system offers an improvement over existing ELISA methods, providing a commercially available and effective diagnostic tool.
Area of Science:
- Virology
- Molecular Biology
- Diagnostic Development
Background:
- Current diagnostic kits for Crimean-Congo Hemorrhage Fever (CCHF) using ELISA-based methods with recombinant antigens have notable limitations.
- The need for improved diagnostic accuracy and efficiency in CCHF detection is critical for public health.
Purpose of the Study:
- To develop a superior diagnostic system for Crimean-Congo Hemorrhage Fever (CCHF) virus (CCHFV).
- To introduce a novel detection system based on reverse transcription-nested two-step polymerase chain reaction (RT-PCR).
- To establish a preliminary genotyping method for CCHFV isolates.
Main Methods:
- Development of a diagnostic kit utilizing reverse transcription-nested two-step polymerase chain reaction (RT-PCR) for CCHFV detection.
- Implementation of a screening method employing restriction fragment length polymorphism (RFLP) analysis of amplicons.
Main Results:
- A unique and commercially available RT-PCR-based diagnostic kit for CCHFV detection was successfully developed.
- A simple RFLP-based screening method was established for preliminary CCHFV genotyping.
Conclusions:
- The developed RT-PCR diagnostic system offers a significant advancement over existing ELISA-based methods for CCHF detection.
- The combined RT-PCR and RFLP approach provides a comprehensive tool for CCHFV diagnosis and preliminary strain identification.
Abstract:
Several distinct methods currently used for the Crimean-Congo Hemorrhage Fever diagnosis (CCHF) were suggested in this work. We demonstrated that the ELISA-based diagnostic kits, which are based on CCHFV recombinant antigens produced in E. coli cells, still possessed a few substantial shortcomings, which are yet to be addressed. In this work we presented the development of the unique CCHFV detection system fully based on reverse transcription--nested two-step polymerase chain reaction (RT-PCR). Our RT-PCR-based diagnostic kit for the CCHFV detection is now commercially available. We also developed a simple screening method for the samples, potentially containing CCHFV, which is based on restriction fragment length polymorphism (RFLP) amplicons analysis and allows for preliminary genotyping of the CCHFV isolates.
