3T3-L1 지방전구세포에서 염생식물 Atriplex gmelinii의 조추출물과 용매 분획물의 지방세포분화 억제

• 영문명: Crude Extract and Solvent-Partitioned Fractions of the Halophyte Atriplex gmelinii Inhibit Adipogenesis in 3T3-L1 Preadipocytes
• 발행기관: 한방비만학회
• 저자명: 이정임 오정환 공창숙 서영완
• 간행물 정보: 『대한한방비만학회지』제23권 제2호, 69~77쪽, 전체 9쪽
• 주제분류: 의약학 > 한의학
• 파일형태: PDF
• 발행일자: 2023.12.31

국문 초록

Objectives: Atriplex gmelinii C. A. Meyer is a halophyte belonging to the Chenopodiaceae family, and its young leaves and stems are used as fodder for livestock. The aim of the present study was to investigate the effects of A. gmelinii extract and its solvent fractions on lipid accumulation during adipogenesis of 3T3-L1 preadipocytes. Methods: The samples of A. gmelinii were separately extracted using methylene chloride and methanol. Subsequently, they were combined to formulate the initial extract, which was then partitioned based on polarity to prepare solvent fractions. Oil Red O staining was employed to measure lipid accumulation during the differentiation of 3T3-L1 preadipocytes. To verify cytotoxicity in 3T3-L1 cells, MTT assays were conducted. The expression levels of transcription factors in 3T3-L1 preadipocytes were measured through Western blotting analysis. Results: At 50 μg/mL, treatment of A. gmelinii extract and its solvent fractions during the differentiation of 3T3-L1 preadipocytes significantly diminished lipid accumulation with no noteworthy cytotoxicity on cell viability. Additionally, when investigating the biochemical pathways that underlie the prevention of lipid accumulation using solvent fractions, it was found that the n-BuOH and n-hexane fractions significantly decreased the expression of key transcription factors involved in the generation of fat, such as peroxisome proliferator- activated receptor γ (PPARγ), CCAAT/enhancer binding protein α (C/EBPα), and sterol regulatory element-binding protein-1c (SREBP1c). Conclusions: These findings indicate that A. gmelinii can effectively reduce the accumulation of fat in 3T3-L1 adipocytes, making it a potentially valuable material for mitigating and preventing obesity.

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키워드

Halophyte Atriplex gmelinii Adipogenesis 3T3-L1 cells Lipid accumulation