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MicroRNAs

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...

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Related Experiment Video

Updated: Jun 23, 2025

Differentiation and Imaging of Brown Adipocytes from the Stromal Vascular Fraction of Interscapular Adipose Tissue from Newborn Mice

Differentiation and Imaging of Brown Adipocytes from the Stromal Vascular Fraction of Interscapular Adipose Tissue from Newborn Mice

Published on: February 3, 2023

The miRNA Contribution in Adipocyte Maturation.

Alessandro Giammona^1,2,3, Simone Di Franco³, Alessia Lo Dico^1,2

¹Institute of Molecular Bioimaging and Physiology (IBFM), National Research Council (CNR), 20054 Segrate, Italy.

|June 26, 2024

Summary

Adipose mesenchymal stem cells offer a promising source for regenerative medicine. Cell culture conditions influence specific microRNAs (miRNAs) that regulate their fat differentiation potential, opening avenues for new therapies.

Keywords:

adipose stem cells adipose tissue mesenchymal stem cells (MSC)miRNA regenerative medicine

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Last Updated: Jun 23, 2025

Differentiation and Imaging of Brown Adipocytes from the Stromal Vascular Fraction of Interscapular Adipose Tissue from Newborn Mice

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Published on: February 3, 2023

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Isolation and Culture of Human Mature Adipocytes Using Membrane Mature Adipocyte Aggregate Cultures MAAC

Isolation and Culture of Human Mature Adipocytes Using Membrane Mature Adipocyte Aggregate Cultures MAAC

Published on: February 13, 2020

Area of Science:

Regenerative Medicine
Stem Cell Biology
Molecular Biology

Background:

Mesenchymal stem cells (MSCs) are crucial for regenerative medicine due to their multipotency.
Bone marrow is a traditional MSC source but has limitations; adipose tissue is a more accessible alternative.
The molecular mechanisms governing the adipogenic potential of adipose-derived MSCs are not fully understood.

Purpose of the Study:

To investigate the role of microRNAs (miRNAs) in the adipogenic potential of adipose-derived mesenchymal stem cells (AD-MSCs).
To explore how cell culture conditions impact miRNA expression and subsequent adipogenesis in AD-MSCs.

Main Methods:

Real-time PCR was utilized to analyze miRNA expression.
Adipose-derived mesenchymal stem cells were cultured under specific conditions.

Main Results:

Preliminary data indicate that cell culture conditions significantly affect the expression of specific miRNAs.
These altered miRNAs are involved in regulating the adipogenic potential of AD-MSCs.

Conclusions:

Specific cell culture conditions can modulate the adipogenic potential of AD-MSCs.
This modulation occurs through the regulation of specific miRNAs, suggesting potential therapeutic targets.
Further in vitro/in vivo validation is needed to translate these findings into novel regenerative medicine strategies.