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Synthesis, Cellular Delivery and In vivo Application of Dendrimer-based pH Sensors
Published on: September 10, 2013
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Highly selective and sensitive visualization and identification of glycoproteins using multi-functionalized soluble
Tiantian Li1, Zhenlong Yu1, Liyuan Zhang2
1Dalian Medical University, Lvshun South Road No 9, Dalian, 116044, China.
Analytica Chimica Acta
|September 17, 2017
Summary
A novel Nanopoly-BAV technology enables sensitive glycoprotein detection without antibodies. This robust method offers high specificity for analyzing glycosylation and cell signaling, advancing diagnostics and research.
Area of Science:
- Biochemistry
- Analytical Chemistry
- Molecular Biology
Background:
- Glycoproteins are crucial posttranslational modifications with significant roles in cancer biomarkers and therapeutics.
- Challenges in developing analytical methods and diagnostics include isolating glyco-specific antibodies and their limited stability.
Purpose of the Study:
- To introduce a novel technology for highly efficient and selective glycoprotein analysis on membranes.
- To overcome the limitations of glyco-specific antibodies in analytical and diagnostic development.
Main Methods:
- Development of Nanopoly-BAV, a system using polyamidoamine dendrimers functionalized with boronic acid and biotin.
- Utilizing boronic acid for specific binding to glycoproteins and biotin for visualization.
- Demonstrating glycoprotein analysis on membrane surfaces.
Main Results:
- Achieved femtomolar sensitivity in glycoprotein detection.
- Exhibited exceptional specificity and selectivity, with a 100,000-fold preference for glycoproteins over non-glycoproteins.
- Demonstrated the synthetic, robust, and highly stable nature of Nanopoly-BAV.
Conclusions:
- Nanopoly-BAV offers a powerful tool for measuring cell signaling events by distinguishing glycosylation from protein expression.
- This technique has significant potential for monitoring cellular signaling pathways and discovering new signaling events.
- Provides a stable and selective alternative to antibody-based methods for glycoprotein analysis.
