Yue-Hwa Chen

Yue-Hwa Chen
Taipei Medical University | TMU · School of Nutrition and Health Sciences

PhD

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44
Publications
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1,033
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Publications

Publications (44)
Article
Full-text available
Scope: Obesity is associated with elevated serum ferritin and increased macrophage activation and infiltration; however, the causal mechanisms underlying this relationship remain undefined. Methods and results: Serum ferritin and soluble P-selectin glycoprotein ligand (sPSGL)-1 level were higher in obese adolescents and patients with moderate no...
Article
Full-text available
Background: Evidence on biological activities of cooked black rice is limited. This study examined the effects of washing and cooking on the bioactive ingredients and biological activities of black rice. Methods: Cooked rice was prepared by washing 0-3 times followed by cooking in a rice cooker. The acidic methanol extracts of raw and cooked ric...
Data
Thermal cooking changes the profile of phenolic compounds, but does not attenuate the anti-inflammatory activities of black rice
Article
Full-text available
This study investigated the effects of indole-3-carbinol (I3C) on adipogenesis- and angiogenesis-associated factors in mature adipocytes. The cross-talk between mature adipocytes and endothelial cells (ECs) was also explored by cultivating ECs in a conditioned medium (CM) by using I3C-treated adipocytes. The results revealed that I3C significantly...
Article
Epidemiological investigations have shown that Alzheimer’s disease (AD) is one of the most common neurodegenerative diseases. It has been indicated that the cholesterol concentration in the brain of AD patients is higher than that in normal people. In this study, we investigated the effects of cholesterol concentrations, 0, as the control, 3.125, 1...
Article
Research has suggested that the consumption of foods rich in polyphenols is beneficial to the cognitive functions of the elderly. We investigated the effects of grape consumption on spatial learning, memory performance, and neurodegeneration-related protein expression in aged rats fed a high-fructose-high-fat (HFHF) diet. Six-week-old Wistar rats w...
Article
Full-text available
The aryl hydrocarbon receptor (AhR) is a ligand-activated factor that regulates biological effects associated with obesity. The AhR agonists, such as environmental contaminants 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) and β-naphthoflavone (BNF), inhibit preadipocyte differentiation and interfere with the functions of adipose tissue, whereas the a...
Article
Full-text available
Ageing accompanied by a decline in cognitive performance may be a result of the long-term effects of oxidative stress on neurologic processes. It has been shown that high-cholesterol contents in the blood and brain may lead to the deposition of the β-amyloid (Aβ) protein in the brain, which damages brain cells. The present study was designed to obs...
Article
Full-text available
Obesity-related neurodegenerative diseases are associated with elevated saturated fatty acids (SFAs) in the brain. An increase in SFAs, especially palmitic acid (PA), triggers neuron cell apoptosis, causing cognitive function to deteriorate. In the present study, we focused on the specific mechanism by which PA triggers SH-SY5Y neuron cell apoptosi...
Article
The objective of this study was to investigate the effects of Gelidium amansii, a red algae cultivated in the northeastern coast of Taiwan, on immune regulatory activities in RAW 264.7 macrophages. G. amansii gel was prepared by boiling and filtering the dried G. amansii algae. Phosphate-buffered saline (PBS) and ethanol extracts of the freeze-drie...
Article
Full-text available
Objective. The effect of extracted crude soybean saponins on preneoplastic lesions, aberrant crypt foci (ACF), and the related mechanism were investigated. Research Methods and Procedures. Rats were assigned into five groups according to different doses of extracted crude soybean saponins and received 1,2-dimethylhydrazine (DMH) injection in week...
Article
The effect of indole-3-carbinol (I3C), a major indolic metabolite in cruciferous vegetables, on lipopolysaccharide (LPS)-activated macrophage-induced tube formation and its associated factors in endothelial EA hy926 cells was investigated. LPS significantly enhanced the capillary-like structure of endothelial cells (ECs) co-cultured with macrophage...
Article
This study investigated the effects of indole-3-carbinol (I3C), a cruciferous vegetable derivative, on obesity and its associated factors in high-fat-diet-induced obese (DIO) mice. Eighteen male C57BL/6 mice were randomly assigned to one of three groups: basal, high fat (HF), and HF + 5 mg/kg of I3C intraperitoneally (HFI). After 12 wk of treatment...
Article
Full-text available
This study investigated the effects of indole-3-carbinol (I3C), a compound from cruciferous vegetables, on various parameters related to obesity, in particular, the parameters of infiltration by macrophages and of inflammatory cytokines expressed during the co-culture of adipocytes and macrophages. Male C57BL/6 mice were fed with a control diet (C...
Article
Full-text available
To investigate the effect of extracted soybean saponins on the growth of human colon cancer cells. WiDr human colon cancer cells were treated with 150, 300, 600 or 1200 ppm of soy saponin to determine the effect on cell growth, cell morphology, alkaline phosphatase (AP) and protein kinase C (PKC) activities, and P53 protein, c-Fos and c-Jun gene ex...
Article
Full-text available
This study was aimed to examine the effects of indole-3-carbinol (I3C) and beta-phenylethyl isothiocyanate (PEITC), bioactive components present in cruciferous vegetable, on the production of inflammatory mediators, including nitric oxide (NO), tumor necrosis factor-alpha (TNF-alpha) and interleukin-10 (IL-10), in lipopolysaccharide- (LPS-) stimula...
Article
The inhibitory effects of four chlorophyll derivatives (chlorophyllide [Chlide] a and b and pheophorbide [Pho] a and b) on aflatoxin B1 (AFB1)-DNA adduct formation, and on the modulation of hepatic glutathione S-transferase (GST) were evaluated in murine hepatoma (Hepa-1) cells. Enzyme-linked immunosorbent assay showed that pretreatment with Chlide...
Article
In this study, we attempted to evaluate changes in sulfur-containing amino acid (SCAA) metabolism after short-term high-dose alcohol ingestion. At the beginning of the study, six animals were sacrificed as the baseline group and then other animals in the experiment were consecutively gavaged with alcohol (30%, 3 g/kg) for 7 days. Animals (n=6 each)...
Article
A variety of studies have suggested a cancer protective role of cruciferous vegetables. In the present study, we investigated the effect of indole-3-carbinol (I3C), a major indole metabolite in cruciferous vegetables, on cell proliferation and in vitro markers of angiogenesis in phorbol myristate acetate (PMA)-stimulated endothelial EA hy926 cells....
Article
We have studied the size‐dependent inhibition capabilities of colloidal selenium (Se) particles on lipopolysaccharide (LPS)‐induced nitric oxide (NO) production in RAW 264.7 cells. Four particle sizes of the nano‐Se, ranging from 45 ˜ 220 nm in diameter, were examined. All of them, unlike their bulk material, show clear capabilities of inhibition a...
Article
We investigated the inhibition of nitric oxide (NO) and prostaglandin E2 (PGE2) production by the garlic oil derivatives, diallyl sulfide (DAS), diallyl disulfide (DADS), and allyl methyl sulfide (AMS), in lipopolysaccharide (LPS)-activated RAW 264.7 cells. Cells were treated with LPS (330 ng/mL) and various concentrations of DAS, DADS, and AMS. NO...
Article
We previously described that garlic oil derivatives differentially suppress the production of nitric oxide (NO) and prostaglandin E(2) (PGE(2)) in activated macrophages. In the present study, we investigated the effects of the garlic derivatives, diallyl sulfide (DAS), diallyl disulfide (DADS), and allyl methyl sulfide (AMS), on cytokine production...
Article
This study was aimed at examining the effects of glucosinolate derivatives including phenylethyl isothiocyanate (PEITC), benzyl isothiocyanate (BITC), and indole-3-carbinol (I3C), on the induction of apoptosis in human non-small cell lung carcinoma A549 cells. The results indicated that all tested compounds inhibited the growth of A549 cells in a c...
Article
The objective of this study was to investigate the effects of Gelidium amansii, an edible red agar cultivated off the northeast coast of Taiwan, on the growth of two lines of cancer cells, murine hepatoma (Hepa-1) and human leukemia (HL-60) cells, as well as a normal cell line, murine embryo fibroblast cells (NIH-3T3). The potential role of G. aman...
Article
In this study, the effects of bioactive compounds derived from vegetables of the Brassica genus (Brassicaceae) including 2-phenylethyl isothiocyanate (PEITC), indole-3-carbinol (I3C), and indolo[3,2- b]carbazole (ICZ), on the inhibition of NO production in RAW 264.7 cells were explored. The results indicated that PEITC and I3C inhibited lipopolysac...
Article
The increased expression of quinone reductase (QR) has been associated with anticarcinogenic processes. The aim of this study was to explore the roles of the cruciferous vegetable-derived indoles, indole-3-carbinol (I3C) and indolo[3.2-b]carbazole (ICZ), on the regulation of QR in both murine (Hepa-1) and human (HepG2) hepatoma cells. The results i...
Article
This article is a report on a symposium sponsored by the American Society for Pharmacology and Experimental Therapeutics and held at the April 1998 Experimental Biology '98 meeting in San Francisco. The presentations focused on the mechanisms of regulation of cytochrome P450 gene expression by developmental factors and by hormones and cytokines, as...
Article
Full-text available
Transcriptional activation of the human CYP1A1 gene by halogenated and polycyclic aromatic hydrocarbons is mediated by the aryl hydrocarbon receptor (AhR) complex, a ligand-dependent transcription factor. A competent AhR comprises at least two components following nuclear translocation and DNA binding, the AhR and the AhR nuclear translocator (Arnt...
Article
Full-text available
To determine the basis for unexpected differences in CYP1A1 inducing potencies and efficacies for the diet-derived indole derivative, indolo[3,2-b]carbazole (ICZ) and 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), we conducted a systematic analysis of events involved in the induced expression of CYP1A1 in murine hepatoma-derived cell lines (Hepa-1). I...
Article
Indolo[3,2-b]carbazole (ICZ) is a potent Ah receptor agonist produced during the oligomerization of indole-3-carbinol (I3C), a breakdown product of the glucobrassicin present in food plants of the Brassica genus. Levels of ICZ present in the feces, urine, gastrointestinal tracts, and livers of rats fed on I3C- or cabbage-supplemented basal diet wer...
Article
This article is a report on a symposium sponsored by the American Society for Pharmacology and Experimental Therapeutics and held at the April 1998 Experimental Biology '98 meeting in San Fran- cisco. The presentations focused on the mechanisms of regulation of cytochrome P450 gene expression by developmental factors and by hormones and cytokines,...
Article
Thesis (M.S. in Nutrition)--University of California, Berkeley, April 1991. Includes bibliographical references (leaves 79-82).

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