Hormonal
Exogenous reactive oxygen species (ROS), specifically hydrogen peroxide (H2O2), accelerate adipocyte differentiation and mitotic clonal expansion by enhancing the DNA binding activity of the transcription factor C/EBPalpha.
This research explains the biological mechanism of how fat cells form, highlighting that a certain level of oxidative stress (ROS) is required for pre-fat cells to multiply and mature. It does not suggest that you should consume hydrogen peroxide or seek oxidative stress. However, it implies that excessive antioxidant supplementation might theoretically interfere with normal fat cell differentiation processes in the body, although this is observed in cell cultures, not necessarily in whole human physiology.
When 3T3-L1 cells were treated with H2O2 and hormonal stimuli, differentiation was accelerated with increased expression of peroxisome proliferator-activated receptor gamma. Interestingly, cell cycle progression (S to G2/M phase) was markedly enhanced by H2O2... Our results indicate that redox-induced C/EBPalpha DNA binding activity, along with the dual phosphorylation of C/EBPalpha, is required for the MCE and terminal differentiation of adipocytes.
Why this rating
High-quality in vitro mechanistic study using established cell lines (3T3-L1) with clear controls and multiple validation methods (FACS, Western blot, ChIP, immunofluorescence).
Source
Reactive Oxygen Species Facilitate Adipocyte Differentiation by Accelerating Mitotic Clonal Expansion
Haemi Lee et al. · Journal of Biological Chemistry · 2009
DOI 10.1074/jbc.m808742200
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