Key result
Non-Pax3 lineage preadipocytes express higher BAT and beige signature genes than Pax3 lineage adipocytes.
Why the study?
The origins and characteristics of adipocytes in various adipose tissue depots and their relation to metabolic function remain incompletely understood.
Population
Preclinical model investigating Pax3 and non-Pax3 lineage preadipocytes in SAT and VAT
Comparison
Genetic ablation of Pax3 lineage cells in SAT vs non-ablated controls; cAMP-agonist stimulation vs baseline
Design
Preclinical experimental study
Authors
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Adipose depots show heterogeneous Pax3 lineage origins; leaves open functional relevance to obesity or metabolic therapies.
The study demonstrates widespread heterogeneity in Pax3 lineage origin in adipose tissue, which inversely correlates with brown adipose tissue gene expression, highlighting distinct molecular origins for beige adipocytes.
Liu et al. (2013) studied Obesity and metabolic disorders. Pax3 lineage origin vs. Non-Pax3 lineage origin was evaluated on Expression of BAT signature genes (Prdm16, Pgc1a, Ucp1). Non-Pax3 lineage preadipocytes express higher levels of BAT and beige adipocyte signature genes compared with Pax3 lineage adipocytes within the same subcutaneous adipose depots.
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