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Isolation and Differentiation of Primary White and Brown Preadipocytes from Newborn Mice
Published on: January 25, 2021
Conditionally immortalized white preadipocytes: a novel adipocyte model.
D L Morganstein1, M Christian, J J O Turner
1Institute of Reproductive and Developmental Biology, Imperial College London, London W12 0NN, United Kingdom.
Journal of Lipid Research
|November 30, 2007
Summary
Researchers developed a new method to create conditionally immortalized white adipocyte cell lines (IMWAT). These cells mimic white fat cells and are useful for studying adipocyte function and gene regulation.
Area of Science:
- Biochemistry
- Cell Biology
- Metabolic Research
Background:
- Adipocyte research is crucial for understanding metabolic diseases.
- Primary adipocytes have limitations for extensive study.
- Developing robust cell models is essential for adipocyte research.
Purpose of the Study:
- To establish a novel method for generating conditionally immortalized preadipocyte cell lines from white adipose tissue (IMWAT).
- To create a versatile cell model for investigating adipocyte function and gene regulation.
Main Methods:
- Generation of conditionally immortalized preadipocyte cell lines from white adipose tissue.
- Induction of differentiation into white adipocytes.
- Characterization of adipocyte markers, insulin signaling, and cytokine expression.
- Utilizing adenoviral vectors and short hairpin RNA for gene manipulation.
Main Results:
- IMWAT cells successfully differentiate into white adipocytes expressing key markers (PPARγ, aP2).
- These adipocytes maintain an intact insulin signaling pathway and express proinflammatory cytokines.
- IMWAT cells are amenable to genetic manipulation, enabling functional studies.
- Depletion of RIP140 in IMWAT cells mimics metabolic gene expression changes seen in RIP140 null mice.
Conclusions:
- IMWAT cells offer a novel and effective model for adipocyte research, derived from preadipocytes.
- This model provides an alternative to primary adipocytes for studying adipocyte function and gene regulation.
- The IMWAT system facilitates investigation into the role of specific factors, like RIP140, in adipocyte biology.
