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Modulating the transcriptional control of adipogenesis
1Department of Biological Chemistry, Johns Hopkins University, School of Medicine, Baltimore, Maryland 21205, USA. tloftus@welchlink.welch.jhu.edu
Current Opinion in Genetics & Development
|December 6, 1997
Summary
Adipocyte differentiation is regulated by a common pathway involving C/EBP and PPAR transcription factors. Hormonal regulators influence this pathway through gene expression, ligand binding, and protein modifications.
Area of Science:
- Biochemistry
- Molecular Biology
- Cell Biology
Background:
- Adipocyte differentiation is a complex process crucial for energy homeostasis.
- Understanding the regulatory mechanisms of adipogenesis is vital for metabolic research.
Purpose of the Study:
- To elucidate the key regulatory pathways governing adipocyte differentiation.
- To identify the roles of transcription factors and hormonal regulators in adipogenesis.
Main Methods:
- Analysis of current evidence on adipogenic transcriptional control.
- Review of hormonal regulation mechanisms impacting adipocyte differentiation.
Main Results:
- Adipocyte differentiation is modulated by a conserved transcriptional pathway.
- This pathway involves CCAAT/enhancer-binding proteins (C/EBP) and peroxisome proliferator-activated receptors (PPAR) families.
- Hormonal regulators influence C/EBP and PPAR activity via gene expression, ligand binding, post-transcriptional modification, and protein-protein interactions.
Conclusions:
- The C/EBP and PPAR families form a central regulatory hub for adipogenesis.
- Hormonal signals fine-tune adipocyte differentiation through multiple molecular mechanisms.