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Updated: May 22, 2026
07:36
Quantitative Real-Time PCR Evaluation of microRNA Expressions in Mouse Kidney with Unilateral Ureteral Obstruction
Published on: August 27, 2020
A pilot trial assessing urinary gene expression profiling with an mRNA array for diabetic nephropathy.
Min Zheng1, Lin-Li Lv, Yu-Han Cao
1Institute of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, China.
Plos One
|May 26, 2012
Summary
This study developed a novel mRNA array to detect urinary biomarkers for diabetic nephropathy (DN). The array identified significant mRNA expression changes in DN patients, highlighting its potential for early disease detection and biomarker discovery.
Area of Science:
- Nephrology
- Molecular Biology
- Biomarker Discovery
Background:
- Diabetic nephropathy (DN) is a complex renal disease.
- Urinary mRNA quantification is a promising strategy for studying kidney diseases.
- A high-throughput platform is needed to analyze multiple mRNAs in DN.
Purpose of the Study:
- To construct a self-assembling mRNA array for analyzing urinary mRNAs in DN patients.
- To evaluate the potential of this array in identifying novel DN biomarkers.
Main Methods:
- Fabricated an mRNA array with 88 genes and evaluated its performance.
- Conducted a pilot study with 6 DN patients and 3 healthy controls.
- Quantified relative mRNA abundance in urinary sediment using the array.
Main Results:
- The mRNA array demonstrated high sensitivity, specificity, and repeatability.
- 29 mRNAs were significantly elevated in DN patients compared to controls.
- Specific mRNAs like ACE and CDH2 showed increased levels with DN progression.
Conclusions:
- The mRNA array is a sensitive, high-throughput tool for urinary mRNA detection.
- This approach shows potential for discovering new biomarkers for diabetic nephropathy.
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01:28Diabetic Nephropathy
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02:34DNA 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...