PKD1 PKD2 Primer Set Multiplex PCR Amplification
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Solution Overview
Problem
Current methods for amplifying the exons of PKD1 and PKD2 genes are inefficient due to their long length and high GC content, requiring multiple PCR conditions and often leading to the amplification of pseudogenes, which complicates mutation detection in polycystic kidney disease diagnosis.
Innovation Solution
A primer set comprising 18 pairs of primers specifically designed to target regions within the PKD1 and PKD2 genes, allowing for simultaneous amplification of all exons under a single set of PCR conditions, avoiding pseudogene amplification and optimizing mutation detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If multiple PCR conditions are used to amplify all exons of PKD1 and PKD2 genes, then amplification completeness is improved, but procedural complexity and time consumption increase
Solution Approach 1:
The PKD1 and PKD2 genes are divided into multiple exon regions, and specific primer pairs are designed for each exon. This segmentation allows each primer pair to target and amplify specific exons efficiently, ensuring complete coverage of all exons while maintaining a standardized PCR protocol that can be applied uniformly across all targets.
Solution Approach 2:
A universal PCR protocol and standardized primer design strategy are developed that can amplify all exons of both PKD1 and PKD2 genes under the same conditions. This multi-functional approach eliminates the need for multiple different PCR conditions, reducing procedural complexity while maintaining amplification completeness across all gene regions.
2Productivity
If standard PCR methods are used to amplify PKD1 and PKD2 genes, then amplification speed is maintained, but pseudogene amplification occurs reducing diagnostic accuracy
Solution Approach 1:
Primer pairs are specifically designed with sequences that match the unique regions of PKD1 and PKD2 exons while avoiding homology with pseudogenes. Each primer pair is optimized to bind specifically to its target exon region, ensuring that amplification occurs only at the intended locus and not at pseudogene locations, thereby maintaining both speed and diagnostic accuracy.
3Reliability
If multiple PCR reactions are performed separately, then amplification specificity is improved, but time consumption and operational complexity increase
Solution Approach 1:
Multiple exon-specific primer pairs are combined into a single multiplex PCR reaction. The primers are designed with appropriate concentration ratios and binding characteristics that allow simultaneous amplification of multiple exons in one reaction tube. This merging approach maintains amplification specificity for each exon while dramatically reducing the total time and operational steps required compared to performing separate PCR reactions for each exon.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enables efficient and economical amplification of all PKD1 and PKD2 gene exons in a single PCR reaction, facilitating early diagnosis and predicting disease progression by minimizing pseudogene interference.
Implementation Method 1
amplification of all the exons of PKD1 and PKD2 genes under a single set of PCR conditions
Data Source
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AI summary
The present invention provides a means for efficiently amplifying the exons of PKD1 and PKD2 genes, and a primer set that can amplify all the exons of PKD1 and PKD2 genes under a single set of PCR conditions.