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MicroRNA In situ Hybridization for Formalin Fixed Kidney Tissues
Published on: November 30, 2013
The complex world of kidney microRNAs
Balakuntalam S Kasinath1, Denis Feliers
1Department of Medicine, University of Texas Health Science Center, South Texas Veterans Health Care System, San Antonio, Texas 78229, USA. Kasinath@uthscsa.edu
Kidney International
|July 30, 2011
Summary
MicroRNAs, including miR-192, play a role in kidney fibrosis by regulating collagen production in mesangial cells. Further research is needed to clarify their specific function in diabetic nephropathy.
Area of Science:
- Molecular Biology
- Genetics
- Nephrology
Background:
- MicroRNAs are short noncoding RNAs regulating gene expression.
- Alterations in microRNA-192 (miR-192) are linked to renal fibrosis.
- The precise role of miR-192 in diabetic nephropathy remains debated.
Purpose of the Study:
- To investigate the role of miR-192 and its targets (miR-200b/c) in transforming growth factor-β1 (TGF-β1) signaling.
- To examine the regulation of collagen expression by miR-192 in mesangial cells.
- To explore the potential involvement of these microRNAs in diabetic nephropathy.
Main Methods:
- Cell culture experiments using mesangial cells.
- Analysis of microRNA expression levels.
- Assessment of gene and protein expression related to fibrosis and TGF-β1 signaling.
Main Results:
- miR-192 and miR-200b/c are involved in TGF-β1-mediated regulation of its own expression.
- These microRNAs influence the expression of collagens in mesangial cells.
- Evidence suggests a potential role in the pathogenesis of diabetic nephropathy.
Conclusions:
- miR-192 and its targets are implicated in TGF-β1-driven fibrotic processes in the kidney.
- These microRNAs may contribute to the development of diabetic nephropathy.
- Further investigation is required to fully elucidate the complex role of miR-192 in diabetic kidney disease.
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MicroRNA (miRNA) are short, regulatory RNA transcribed from introns (non-coding regions of a gene) or intergenic regions (stretches of DNA present between genes). Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself, forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA...
MicroRNAs
MicroRNA (miRNA) are short, regulatory RNA transcribed from introns—non-coding regions of a gene—or intergenic regions—stretches of DNA present between genes. Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA ends...
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MicroRNA (miRNA) are short, regulatory RNA transcribed from introns—non-coding regions of a gene—or intergenic regions—stretches of DNA present between genes. Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA ends...
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Renal Cortex
The outermost region of the kidney is the...
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