نتایج جستجو برای: fucoxanthin
تعداد نتایج: 479 فیلتر نتایج به سال:
Apoptosis induced by fucoxanthin in HL-60 cells was associated with a loss of mitochondrial membrane potential at an early stage, but not with an increase in reactive oxygen species. Fucoxanthin treatment caused cleavages of procaspase-3 and poly (ADP-ribose) polymerase without any effect on the protein level of Bcl-2, Bcl-X(L), or Bax. Apoptosis induction by fucoxanthin may be mediated via mit...
The most widely distributed dinoflagellate plastid contains chlorophyll c(2) and peridinin as the major carotenoid. A second plastid type, found in taxa such as Karlodinium micrum and Karenia spp., contains chlorophylls c(1) + c(2) and 19'-hexanoyloxy-fucoxanthin and/or 19'-butanoyloxy-fucoxanthin but lacks peridinin. Because the presence of chlorophylls c(1) + c(2) and fucoxanthin is typical o...
Bladder cancer is a common but serious malignancy. It is widely accepted that chemoprevention may be an effective way to decrease the rate of recurrence and morbidity. We first determined antigrowth and apoptosis-induction activity of fucoxanthin from dietary Laminaria japonica against EJ-1 human bladder cancers. Fucoxanthin significantly reduced the cell viability in a dose- and time-dependent...
Obesity, which results from an imbalance between energy intake and energy expenditure, has become a major health risk factor worldwide, causing numerous and various diseases such as diabetes, hypertension, and cardiovascular diseases. Fucoxanthin, a specific carotenoid in brown algae, has garnered much attention for its anti-obesity and anti-diabetic effects attributable to a unique mechanism. ...
Fucoxanthin and its deacetylated metabolite fucoxanthinol are two major carotenoids that have been confirmed to possess various pharmacological properties. In the present study, fucoxanthinol was identified as the deacetylated metabolite of fucoxanthin, after intravenous (i.v.) and intragastric gavage (i.g.) administration to rats at doses of 2 and 65 mg/kg, respectively, by liquid chromatograp...
Fucoxanthin is a carotenoid that is mainly found in light-harvesting complexes from brown algae and diatoms. Due to the presence of a carbonyl group attached to polyene chains in polar environments, excitation produces an excited intra-molecular charge transfer. This intra-molecular charge transfer state plays a key role in the highly efficient (∼95%) energy-transfer from fucoxanthin to chlorop...
Fucoxanthin, a xanthophyll present in brown algae consumed in Eastern Asia, can suppress carcinogenesis and obesity in rodents. We investigated the metabolism, tissue distribution, and depletion of fucoxanthin in ICR mice by comparison with those of lutein. The experiments comprised 14-d dietary supplementation with lutein esters or fucoxanthin, followed by 41- or 28-d, respectively, depletion ...
BACKGROUND/AIMS Fucoxanthin, a carotenoid isolated from brown seaweeds, induces suicidal death or apoptosis of tumor cells and is thus considered for the treatment or prevention of malignancy. In analogy to apoptosis of nucleated cell, erythrocytes may enter eryptosis, the suicidal death characterized by cell shrinkage and cell membrane scrambling with phosphatidylserine translocation to the er...
Fucoxanthin, a natural carotenoid, has been reported to have anti-cancer activity in human colon cancer cells, human prostate cancer cells, human leukemia cells, and human epithelial cervical cancer cells. This study was undertaken to evaluate the molecular mechanisms of fucoxanthin against human bladder cancer T24 cell line. MTT analysis results showed that 5 and 10 μM fucoxanthin inhibited th...
Fucoxanthin, a characteristic carotenoid of brown algae, has been reported to exert an anti-diabetic effect in an obese murine model. Wakame (Undaria pinnatifida), an edible seaweed, is rich in fucoxanthin. This study examined the anti-obesity and anti-diabetic effects of fucoxanthin-rich wakame lipids (WLs) on high fat (HF) diet-induced obesity in mice. Mice were fed a high fat control (HFC) o...
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