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DNA Microarrays

DNA Microarrays

Microarrays are high-throughput and relatively inexpensive assays that can be automated to analyze large quantities of data at a time. They are used in genome-wide studies to compare gene or protein expression under two varied conditions, such as healthy and diseased states. Microarrays consist of glass or silica slides on which probe molecules are covalently attached through surface functionalization. Most commonly, the slides are prepared through the chemisorption of silanes to silica...

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Updated: Jul 26, 2025

Multiplexed Single Cell mRNA Sequencing Analysis of Mouse Embryonic Cells

Multiplexed Single Cell mRNA Sequencing Analysis of Mouse Embryonic Cells

Published on: January 7, 2020

DNA Windmill Probe for Multiplexed mRNA Detection and Cell Type Discrimination.

Yu Zhao¹, Zhihao Li¹, Bo Li¹

¹Department of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010020, China.

Chemistry (Weinheim an Der Bergstrasse, Germany)

|June 14, 2023

Summary

This summary is machine-generated.

This study introduces a novel DNA nano-windmill probe for multiplexed mRNA detection, enhancing early cancer diagnosis. This tool accurately distinguishes cancer cells and monitors mRNA expression changes in living cells.

Keywords:

DNA assembly cell subtype determination mRNA detection multiplexing windmill DNA probe

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Detection and Monitoring of Tumor Associated Circulating DNA in Patient Biofluids

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Last Updated: Jul 26, 2025

Multiplexed Single Cell mRNA Sequencing Analysis of Mouse Embryonic Cells

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Detection and Monitoring of Tumor Associated Circulating DNA in Patient Biofluids

Detection and Monitoring of Tumor Associated Circulating DNA in Patient Biofluids

Published on: June 8, 2019

Area of Science:

Biotechnology
Molecular Biology
Cancer Research

Background:

Accurate cancer diagnosis, particularly early detection, is crucial for effective treatment and improved patient survival rates.
Messenger RNAs (mRNAs) serve as vital biomarkers for cancer identification and treatment, with their expression levels correlating with cancer stage and progression.
Detecting only a single type of mRNA is often insufficient and unreliable for comprehensive cancer assessment.

Purpose of the Study:

To develop a DNA nano-windmill probe for in situ multiplexed mRNA detection and imaging.
To enable simultaneous targeting and independent recognition of multiple mRNA types for improved cell discrimination.
To create a tool capable of distinguishing cancer cell lines from normal cells and monitoring dynamic changes in mRNA expression.

Main Methods:

Development of a novel DNA nano-windmill probe engineered with multiple "wind blades" for simultaneous mRNA targeting.
Implementation of independent recognition mechanisms for each targeted mRNA to enhance specificity.
Application of the probe for in situ detection and imaging of mRNA expression in living cells.

Main Results:

The DNA nano-windmill probe successfully achieved multiplexed detection and imaging of four distinct mRNA types.
The probe demonstrated specific discrimination between cancer cell lines and normal cells.
The system was capable of identifying and quantifying changes in mRNA expression levels within living cells.

Conclusions:

The developed DNA nano-windmill probe offers a powerful new strategy for accurate, multiplexed mRNA detection in cancer research.
This approach enhances the ability to differentiate cell types and monitor mRNA expression dynamics, contributing to improved cancer diagnostics.
The tool enriches the available methods for advancing cancer diagnosis accuracy and informing therapeutic strategies.