Ginseng extract may combat obesity by blocking fat cell development

Greg Howard
12th January, 2026

Ginseng extract may combat obesity by blocking fat cell development

Exosomes derived from Ginseng (Panax ginseng) prevent the maturation of pre-fat cells by preserving their internal structural scaffolding (red) and calming the activity of their energy-producing mitochondria (green).

Image adapted from: Han et al. / CC BY (Source)

Key Findings

  • Panax ginseng-derived exosomes (PGEs) isolated from Korean ginseng show promise as an anti-obesity treatment by influencing energy metabolism and fat cell development
  • PGEs significantly reduced lipid accumulation in preadipocytes by 72.1%, inhibiting fat cell formation and suppressing genes crucial for fat production (PPAR-γ, C/EBP-α, SREBP-1c)
  • PGEs activate AMPK, a key regulator of energy balance, and alter cell structure, potentially restoring metabolic homeostasis and offering a new approach to obesity management
Obesity is a significant global health concern, affecting a substantial portion of the population and contributing to a range of serious diseases[2][3]. Despite numerous efforts, long-term weight loss remains challenging, with many individuals regaining lost weight. This is increasingly understood not as a simple matter of calorie imbalance, but as a disruption of the body’s energy homeostasis system – a complex biological process that regulates weight stability[2]. Recent research from Sunmoon University[1] explores a potential new avenue for addressing obesity: the use of exosomes derived from Panax ginseng. Exosomes are tiny vesicles released by cells that can deliver molecules to other cells, influencing their behavior. The study focused on isolating exosomes from Panax ginseng (PGE) and investigating their effects on 3T3-L1 preadipocytes – cells that develop into fat cells. These PGEs were successfully isolated and characterized, with an average size of 159.5 nanometers. The researchers then examined how these PGEs impacted the process of adipogenesis – the formation of fat cells – and lipid accumulation, which is the storage of fat. The results were promising. Treatment with PGEs significantly reduced lipid accumulation in the 3T3-L1 cells by 72.1%, indicating a strong ability to inhibit the development of fat cells. This inhibition occurred during the early stages of differentiation, suggesting that PGEs may prevent fat cells from forming in the first place. Further analysis confirmed that the isolated vesicles were indeed exosomes, based on the presence of specific surface markers (TET-8). To understand how PGEs were exerting this effect, the researchers looked at the expression of key genes involved in adipogenesis. They found that genes critical for fat cell development – PPAR-γ, C/EBP-α, and SREBP-1c – were all downregulated, meaning their activity was reduced. PPAR-γ, in particular, is a master regulator of fat cell formation, and its suppression is a key mechanism for preventing adipogenesis. Similarly, genes involved in fatty acid synthesis (acetyl-CoA carboxylase and fatty acid synthase) were also reduced, suggesting that PGEs were not only preventing new fat cells from forming, but also hindering their ability to store fat. Interestingly, the study also revealed changes in energy metabolism signaling. The expression of AMPK – a protein that plays a central role in regulating energy homeostasis – was significantly increased. Activation of AMPK generally promotes energy expenditure and can inhibit fat storage. This finding aligns with the growing understanding that obesity is a disorder of energy homeostasis[2], and suggests that PGEs may help restore balance to this system. Further investigation showed that PGEs altered the structure of the cells themselves. Mitochondrial activity – the energy-producing centers within cells – was reduced, while cytoskeletal integrity (the cell’s internal support structure) was enhanced. These changes, alongside AMPK activation and PPAR-γ inhibition, point to a complex interplay of molecular events driving the anti-obesity effects of PGEs. These findings build upon previous research highlighting the role of inflammation and adipokines in obesity-related diseases[3]. By suppressing pro-inflammatory genes (TNF-α and IL-6), the PGEs may also contribute to reducing the chronic inflammation often associated with obesity. The reduction in lipid accumulation observed in the study is consistent with the goals of existing obesity treatments, however, the focus on the energy homeostasis system and the multi-faceted approach of PGEs – inhibiting adipogenesis and lipogenesis simultaneously – offers a novel strategy for tackling this complex condition. The researchers suggest that PGEs hold potential for development into functional foods or pharmaceutical products aimed at obesity management.

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References

Main Study

1) Anti-obesity Effects of Panax ginseng-derived exosomes via AMPK-mediated inhibition of adipocyte differentiation and lipogenesis

Published 9th January, 2026

https://doi.org/10.1007/s13659-025-00561-4

Related Studies

2) Obesity Pathogenesis: An Endocrine Society Scientific Statement.

https://doi.org/10.1210/er.2017-00111

3) Pathophysiology of obesity and its associated diseases.

https://doi.org/10.1016/j.apsb.2023.01.012


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