Effects of Mung Bean (Vigna radiata L.) Ethanol Extracts Decrease Proinflammatory Cytokine-Induced Lipogenesis in the
Inhae Kang1, Seojin Choi2, Tae Joung Ha3
11 Department of Nutrition and Health Sciences, University of Nebraska-Lincoln , Lincoln, Nebraska.
Journal of Medicinal Food
|April 1, 2015
Summary
Mung bean testa extracts reduced fat accumulation and inflammation in obese diabetic mice. These extracts, containing compounds like vitexin, may offer a natural approach to managing metabolic diseases by inhibiting fat synthesis and inflammatory pathways.
Area of Science:
- Biochemistry
- Metabolic Diseases
- Nutraceuticals
Background:
- Obesity-related metabolic and inflammatory diseases are increasing.
- Nutraceuticals are being researched for treatment.
- Mung bean testa extracts (MBT) show potential therapeutic benefits.
Purpose of the Study:
- To investigate the effects of MBT on metabolic inflammation-induced lipogenesis in the gastrocnemius muscle of diabetic KK-Ay mice.
- To explore the underlying mechanisms, including gene expression and signaling pathways.
Main Methods:
- Diet-induced obesity model in KK-Ay mice using a high-fat diet.
- Oral administration of MBT for 4 weeks.
- Analysis of body weight, adipose tissue weight, muscle lipid levels, gene expression (ACC, C/EBP alpha, PGC-1 alpha, PPAR gamma), protein levels (p-ERK1/2, PPAR gamma, C/EBP alpha), and inflammatory markers (IL-6, TNF-alpha, MCP-1).
- In vitro study using 3T3-L1 cells treated with vitexin.
Main Results:
- MBT treatment reduced white adipose tissue weight and muscle triacylglycerol and total cholesterol levels.
- Suppression of lipogenic genes (ACC, C/EBP alpha, PGC-1 alpha, PPAR gamma) and key proteins (p-ERK1/2, PPAR gamma, C/EBP alpha) was observed.
- Significant reduction in plasma IL-6 and intramuscular TNF-alpha and MCP-1 confirmed anti-inflammatory effects.
- Vitexin, a key compound in MBT, inhibited inflammation-induced lipogenesis in vitro.
Conclusions:
- Mung bean testa ethanol extracts possess anti-lipogenic and anti-inflammatory properties.
- These effects are mediated through the inhibition of adipogenesis and differentiation via the MEK/ERK pathway.
- Functional compounds like vitexin and isovitexin in MBT show potential for managing metabolic disorders through anti-inflammatory mechanisms.
