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Cellular and molecular aspects of adipose tissue development
G Ailhaud1, P Grimaldi, R Négrel
1Centre de Biochimie (CNRS UMR 134), Université de Nice-Sophia Antipolis, Faculté des Sciences, France.
Annual Review of Nutrition
|January 1, 1992
Summary
New fat cells can form throughout life, with angiogenesis and fat cell formation closely linked. Adipose cells act as secretory cells, influencing metabolic activities and energy balance.
Area of Science:
- Adipose tissue biology
- Angiogenesis research
- Cell differentiation studies
Background:
- Angiogenesis and fat cell cluster formation are tightly coordinated.
- Monobutyrin is identified as a novel fat-specific angiogenesis factor.
- Adipose tissue comprises distinct brown (BAT) and white (WAT) adipose tissue organs with unique precursor cells.
Purpose of the Study:
- To investigate the relationship between angiogenesis and adipogenesis.
- To explore the role of monobutyrin in fat formation.
- To elucidate the process of adipose cell differentiation and secretory functions.
Main Methods:
- In vitro experiments on adipose tissue and stromal-vascular cells.
- Analysis of gene expression, including UCP gene.
- Hormonal stimulation and characterization of signaling pathways.
Main Results:
- Adipose precursor cells exhibit varying replication and differentiation capacities.
- Adipose cell differentiation follows a sequence from adipoblast to mature adipocyte.
- Adipose cells function as secretory cells, releasing proteins and metabolites.
Conclusions:
- Fat cell acquisition is a lifelong process.
- Adipose tissue plays a more direct role in metabolic activities and energy balance than previously understood.
- Monobutyrin may be a key factor in coordinating angiogenesis and adipogenesis.