Enzyme-Free Colorimetric Method for Fast Detection of PIK3CA Gene Mutation by Praseodymia Nanorods.
Lei JiangMeng WangYouxun LiShuyuan ZhangXiudong ZhuJunjie ZhongJingtao SunMiguel TinocoXiaowei ChenPublished in: Analytical chemistry (2023)
The frequently mutated phosphatidylinositol 3-kinase catalytic subunit alpha (PIK3CA) gene is associated with multiple tumors and endocytosis of viruses. Identification of muted nucleotides at the hotspot can help in finding the susceptible people who are vulnerable to cancers and viruses. Herein, a simple enzyme-free colorimetric method is developed for the quick detection of PIK3CA gene mutations. The main mechanism lies in the dissimilar interactions between praseodymia nanorods and different nucleotides, as well as the underlying oxidase-mimicking characteristics of praseodymia. With rational designs of probes and processes, this method has great potential for expanded applications in the screening of mutations in other genes of interest.
Keyphrases
- protein kinase
- gold nanoparticles
- living cells
- label free
- hydrogen peroxide
- genome wide
- fluorescent probe
- sensitive detection
- reduced graphene oxide
- small molecule
- real time pcr
- genome wide identification
- copy number
- bioinformatics analysis
- tyrosine kinase
- nitric oxide
- single molecule
- transcription factor
- young adults