Characterization and Beige Adipogenic Potential of Human Embryo White Adipose Tissue-Derived Stem Cells.

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Background/aims Brown and beige adipocytes are widely recognized as potential therapeutic targets to treat obesity and related metabolic disorders, and the recruitment of brown and beige adipocytes is an essential aspect that requires attention. Although many methods of activating brown adipocytes or generating beige adipocytes have been reported, the limited number and sources are the biggest challenges. The number of white adipocytes is much greater than the number of brown adipocytes, both in human adults and fetuses. Unfortunately, human adult white adipose tissue-derived stem cell (aWAsc) has little beige adipogenic potential. However, the characteristics and beige adipogenic potential of human embryo-derived white adipose stem cells (eWAsc) still need to be investigated. Methods To analyze the characteristics and functionality of eWAsc, we analyzed the markers of adipose precursor cells by flow cytometry. Then, differentiation and browning/beiging were induced, and the identifying markers were analyzed by real-time PCR and immunoblot. In addition, more in-depth exploration was performed using RNA-SEQ on eWAsc and aWAsc. Results eWAsc was isolated from human embryonic white adipose tissue, and aWAsc was isolated from adult white adipose tissue by collagenase treatment. eWAsc has extreme advantages in adipogenesis capacity and browning/beiging ability in comparison to aWAsc

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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