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Updated: Apr 11, 2026
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In Situ Microscopy for Real-time Determination of Single-cell Morphology in Bioprocesses
Published on: December 5, 2019
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Size doesn't matter; in the stroma, little things make all the difference.
Derya D Ozdemir1, Peter Hohenstein1
1The Roslin Institute, University of Edinburgh, Midlothian, UK.
Kidney International
|May 30, 2015
Summary
MicroRNAs (miRNAs) are crucial for kidney development. A study on Dicer1 knockout in stromal cells revealed their significant roles in kidney formation, partly via the β-catenin pathway.
Area of Science:
- Developmental Biology
- Molecular Biology
- Genetics
Background:
- Stromal cells play a critical role in kidney development.
- MicroRNAs (miRNAs) are key regulators of gene expression.
- Recent research highlights the interplay between stromal cells and miRNAs in organogenesis.
Purpose of the Study:
- To investigate the function of miRNAs in kidney stromal cells.
- To elucidate the role of Dicer1, an enzyme essential for miRNA synthesis, in these cells.
- To understand how stromal cell-specific miRNA deficiency impacts kidney development.
Main Methods:
- Generation of a conditional knockout mouse model lacking Dicer1 specifically in kidney stromal cells.
- Analysis of kidney morphology and function in knockout and control mice.
- Molecular analysis to identify dysregulated gene expression and signaling pathways.
Main Results:
- Stromal cell-specific deletion of Dicer1 led to significant kidney developmental defects.
- Identification of numerous miRNAs with critical roles in kidney development.
- Demonstration that these miRNAs regulate the β-catenin signaling cascade.
Conclusions:
- MicroRNAs within kidney stromal cells are essential for normal kidney development.
- Dysregulation of miRNA biogenesis in these cells profoundly affects kidney organogenesis.
- The β-catenin signaling pathway is a key target through which stromal cell miRNAs influence kidney development.
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