Table 4.
Experimental Model (In Vitro/In Vivo) |
Treatment (Dose, Route and Duration) |
Major Outcomes | Reference |
---|---|---|---|
Double-blind placebo-controlled study in mild obese Japanese subjects | 1 or 3 mg daily, orally for 4 weeks | ↓ relative body weight and BMI and visceral; ↓ fat area and mass |
[15] |
Fatty acid-induced lipid accumulation in FL83B cells | 3–100 μM (purity ≥ 95%) in DMSO, Post-treatment for 24 h | ↓ lipid accumulation, lipid peroxidation; ↓ PPARγ and SREBP-1c; ↑ CPT-1 and PPAR-a; ↑ Sirt1 and AMPK |
[16] |
Hyperlipidemia in diabetic mice | 0.2–0.4%/day (purity ≥ 98%) extracted from Laminaria japonica, orally for 6 weeks; 0.02% metformin as positive control |
↓ plasma insulin and HOMA-IR; ↓ TG and TC levels; ↓ Glucokinase and phosphoenolpyruvate; Carboxykinase; ↑ Glycogen and GLUT4; ↓ GSK3β; ↑ IRS-1, PI3K, p-Akt and p-AMPK |
[66] |
High-fed diet mice intestine | 125 mg/kg b.w. (purity ≥ 95%) extracted from undaria pinnatifida, orally for 4 weeks | Modulation of gut microbiota to exert anti-obesity effects | [64] |
HFD-induced obesity mice | 100–300 mg/kg b.w., orally for 26 days | ↑ Cpt1; Ucp1; ↓ Mest; ↓ body weight gain; ↓ fat content; ↓ weight of white adipose tissue depots and size |
[61] |
3T3-L1 cells | 10–40 μM extracted from Phaeodactylum in DMSO, treatment for 6 days | ↓ lipid accumulation; ↓ C/EBPα, PPARγ and UCP1 |
[62] |
High-fat diet-induced mice | 0.1 mg/kg b.w. extracted from Phaeodactylum in DW water, orally for 6 weeks | ↓ TG level; ↓ lipid droplet numbers and fat globule size ↓ C/EBPα, PPARγ and UCP1 |
|
HFD-fed obese mice | 50–100 mg/100 g diet (purity ≥ 93%) extracted from Undaria pinnatifida, orally for 12 weeks | ↓ body weight gain ↑ HDL-cholesterol level ↓ hepatic steatosis and adipocyte size ↓ IL-6 and TNF-α levels |
[17] |
HFD-induced obese mice | 0.2–0.4% of daily diet, orally for 6 weeks | ↓ body weight, TC, TG, LDL-C and HOMA-IR; ↑ HDL-C; ↑ p-IRS-1, IRS-1, PI3 K and p-Akt |
[65] |
HFD-fed obese mice | 0.5 mg/kg b.w. (purity ≥ 95%) extracted from Padina tetrastromatica, orally for 5 weeks; orlistat 20 mg/kg as positive control | ↓ body weight, TC, TG; ↑ SOD, CAT and GPx; ↑ Akt and UCP-1 ↓ p-Akt, p38 and PPAR-γ |
[63] |
↑: upregulation; ↓: downregulation.