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Journal of Nutritional Biochemistry

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https://www.readbyqxmd.com/read/28219837/chronic-maternal-calcium-and-25-hydroxyvitamin-d-deficiency-in-wistar-rats-programs-abnormal-hepatic-gene-expression-leading-to-hepatic-steatosis-in-female-offspring
#1
Sona S Sharma, Nivedita M Jangale, Abhay M Harsulkar, Medha K Gokhale, Bimba N Joshi
Importance of calcium and vitamin D deficiency is well established in adult dyslipidemia. We hypothesized that maternal calcium and vitamin D deficiency could alter offspring's lipid metabolism. Our objective was to investigate the effect of maternal dietary calcium and vitamin D deficiency on lipid metabolism and liver function of the F1 generation offspring. intergenerational calcium-deficient (CaD) and vitamin D-deficient (VDD) models were developed by mating normal male rats with deficient females and continuing maternal-deficient diets through pregnancy and lactation...
February 8, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28193579/zinc-enhances-intestinal-epithelial-barrier-function-through-the-pi3k-akt-mtor-signaling-pathway-in-caco-2-cells
#2
Yuxin Shao, Patricia G Wolf, Shuangshuang Guo, Yuming Guo, H Rex Gaskins, Bingkun Zhang
Zinc plays an important role in maintaining intestinal barrier function as well as modulating cellular signaling recognition and protein kinase activities. The phosphatidylinositol 3-kinase (PI3K) cascade has been demonstrated to affect intercellular integrity and tight junction (TJ) proteins. The current study investigated the hypothesis that zinc regulates intestinal intercellular junction integrity through the PI3K/protein kinase B (AKT)/mammalian target of rapamycin (mTOR) pathway. A transwell model of Caco-2 cell was incubated with 0, 50 and 100 μM of zinc at various time points...
January 31, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28193578/a-food-based-approach-that-targets-interleukin-6-a-key-regulator-of-chronic-intestinal-inflammation-and-colon-carcinogenesis
#3
Abigail Sido, Sridhar Radhakrishnan, Sung Woo Kim, Elisabeth Eriksson, Frank Shen, Qunhua Li, Vadiraja Bhat, Lavanya Reddivari, Jairam K P Vanamala
Studies have shown a causal link between high-calorie diet (HCD) and colon cancer. However, molecular mechanisms are not fully elucidated. To understand etiology of HCD-induced colon carcinogenesis, we screened 10 pathways linked to elevated colonic cell proliferation and chronic inflammation in an HCD-consuming human-relevant pig model. We observed elevated colonic mucosal interleukin-6 (IL-6) expression in HCD-consuming pigs compared to standard diet controls (SD, P=.04), and IL-6 strongly correlated with Ki-67 proliferative index and zone, early biomarkers of colon cancer risk (r=0...
January 28, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28189916/chronic-administration-of-saturated-fats-and-fructose-differently-affect-srebp-activity-resulting-in-different-modulation-of-nrf2-and-nlrp3-inflammasome-pathways-in-mice-liver
#4
Debora Nigro, Francesca Menotti, Alessia S Cento, Loredana Serpe, Fausto Chiazza, Federica Dal Bello, Francesco Romaniello, Claudio Medana, Massimo Collino, Manuela Aragno, Raffaella Mastrocola
The overconsumption of both saturated fats and fructose in the modern society has been related to the development of nonalcoholic fatty liver disease (NAFLD). However, the specific contribution of individual dietary components on the progression of NAFLD to nonalcoholic steatohepatitis (NASH) has been poorly investigated. Therefore, the aim of our study was to investigate the dissimilar effects of these two dietary components on selected proinflammatory and antioxidant pathways in the liver of C57BL/6 mice fed a standard (SD), a 45% saturated fat (HFAT) or a 60% fructose (HFRT) diet for 12 weeks...
January 28, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28189115/n-3-polyunsaturated-fatty-acids-alleviate-high-glucose-mediated-dysfunction-of-endothelial-progenitor-cells-and-prevent-ischemic-injuries-both-in-vitro-and-in-vivo
#5
Shao-Chih Chiu, Che-Yi Chao, En-Pei Isabel Chiang, Jia-Ning Syu, Raymond L Rodriguez, Feng-Yao Tang
Hyperglycemia is associated with a reduced number of endothelial progenitor cells (EPCs) that impairs vascular function. Circulating EPCs play important roles in postnatal neovasculogenesis and the prevention of ischemic injury. Frequent consumption of fish oil (FO) that is abundant with eicosapentaenoic acid (EPA)/docosahexaenoic acid (DHA) is reportedly associated with an alleviation of diabetic complications and a lowered incidence of cardiovascular disease. The aim of this study was to examine whether N-3 polyunsaturated fatty acids such as EPA and DHA would reverse the high glucose-mediated dysfunction of EPCs in vitro and thereby prevent the ischemic injury that occurs under the hyperglycemic conditions in Type 2 diabetes (T2D) db(-/-) mice...
January 28, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28187366/a-combination-of-dietary-n-3-fatty-acids-and-a-cyclooxygenase-1-inhibitor-attenuates-nonalcoholic-fatty-liver-disease-in-mice
#6
Viswanathan Saraswathi, Curtis Perriotte-Olson, Murali Ganesan, Cyrus V Desouza, Yazen Alnouti, Michael J Duryee, Geoffrey M Thiele, Tara M Nordgren, Dahn L Clemens
We sought to determine whether a combination of purified n-3 fatty acids (n-3) and SC-560 (SC), a cyclooxygenase-1-specific inhibitor, is effective in ameliorating nonalcoholic fatty liver disease in obesity. Female wild-type mice were fed a high-fat and high-cholesterol diet (HF) supplemented with n-3 in the presence or absence of SC. Mice treated with SC alone exhibited no change in liver lipids, whereas n-3-fed mice tended to have lower hepatic lipids. Mice given n-3+SC had significantly lower liver lipids compared with HF controls indicating enhanced lipid clearance...
January 27, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28183047/gene-expression-changes-in-colon-tissues-from-colorectal-cancer-patients-following-the-intake-of-an-ellagitannin-containing-pomegranate-extract-a-randomized-clinical-trial
#7
María A Nuñez-Sánchez, Antonio González-Sarrías, Rocío García-Villalba, Tamara Monedero-Saiz, Noelia V García-Talavera, María B Gómez-Sánchez, Carmen Sánchez-Álvarez, Ana M García-Albert, Francisco J Rodríguez-Gil, Miguel Ruiz-Marín, Francisco A Pastor-Quirante, Francisco Martínez-Díaz, Francisco A Tomás-Barberán, Juan Carlos Espín, María-Teresa García-Conesa
The clinical evidence of dietary polyphenols as colorectal cancer (CRC) chemopreventive compounds is very weak. Verification in humans of tissue-specific molecular regulation by the intake of polyphenols requires complex clinical trials that allow for the procurement of sufficient pre- and postsupplementation tissue samples. Ellagitannins (ETs), ellagic acid (EA) and their gut microbiota-derived metabolites, the urolithins, modify gene expression in colon normal and cancer cultured cells. We conducted here the first clinical trial with 35 CRC patients daily supplemented with 900 mg of an ET-containing pomegranate extract (PE) and evaluated the expression of various CRC-related genes in normal and cancerous colon tissues before (biopsies) and after (surgical specimens) 5-35 days of supplementation...
January 27, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28187365/low-glycemic-load-diets-protect-against-metabolic-syndrome-and-type-2-diabetes-mellitus-in-the-male-nile-rat
#8
Julia Bolsinger, Michelle Landstrom, Andrzej Pronczuk, Andrew Auerbach, K C Hayes
BACKGROUND: Dietary modification helps prevent and manage Metabolic Syndrome (MetS) and Type 2 Diabetes Mellitus (T2DM) in humans and Nile rats. Specifically fibrous legumes, like lentils, benefit humans, but whether this reflects a specific change in the Glycemic Load (GLoad) remains controversial. Accordingly, low-GLoad foods were tested in the glucose-sensitive Nile rat. METHODS: 131 male Nile rats aged 3 weeks to 15 months were challenged during four experiments with 15 dietary exposures that varied Glycemic Index (GI, 36-88), GLoad (102-305/2000 kcal), and cumulative GLoad (Cum GLoad=days×GLoad, 181-537g total glucose)...
January 26, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28182964/dietary-flavonoids-and-modulation-of-natural-killer-cells-implications-in-malignant-and-viral-diseases
#9
REVIEW
Markus Burkard, Christian Leischner, Ulrich M Lauer, Christian Busch, Sascha Venturelli, Jan Frank
Flavonoids are a large group of secondary plant metabolites present in the diet with numerous potentially health-beneficial biological activities. In addition to antioxidant, anti-inflammatory, cholesterol-lowering, and many other biological functions reported in the literature, flavonoids appear to inhibit cancer cell proliferation and stimulate immune function. Although the immunomodulatory potential of flavonoids has been intensively investigated, only little is known about their impact on natural killer (NK) cells...
January 24, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28189918/obesity-alters-the-ovarian-glucidic-homeostasis-disrupting-the-reproductive-outcome-of-female-rats
#10
María Victoria Bazzano, Dante Agustín Paz, Evelin Mariel Elia
Obesity constitutes a health problem of increasing worldwide prevalence related to many reproductive problems such as infertility, ovulation dysfunction, preterm delivery, fetal growth disorders, etc. The mechanisms linking obesity to these pathologies are not fully understood. Cafeteria diet (CAF) is the animal model used for the study of obesity that more closely reflects western diet habits. Previously we described that CAF induces obesity associated to hyperglycemia, reduced ovarian reserve, presence of follicular cysts and ovulatory impairments...
January 23, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28189917/effect-of-a-cocoa-diet-on-the-small-intestine-and-gut-associated-lymphoid-tissue-composition-in-an-oral-sensitization-model-in-rats
#11
Mariona Camps-Bossacoma, Francisco J Pérez-Cano, Àngels Franch, Eva Untersmayr, Margarida Castell
Previous studies have attributed to the cocoa powder the capacity to attenuate the immune response in a rat oral sensitization model. To gain a better understanding of cocoa-induced mechanisms at small intestinal level, 3-week-old female Lewis rats were fed either a standard diet or a diet containing 10% cocoa for 4 weeks with or without concomitant oral sensitization with ovalbumin (OVA). Thereafter, we evaluated the lymphocyte composition of the Peyer's patches (PPL), small intestine epithelium (IEL) and lamina propria (LPL)...
January 23, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28178600/whole-flaxseed-diet-alters-estrogen-metabolism-to-promote-2-methoxtestradiol-induced-apoptosis-in-hen-ovarian-cancer
#12
Anushka Dikshit, Karen Hales, Dale Buchanan Hales
The study reported here demonstrates that a flaxseed-supplemented diet causes ovarian tumors in the laying hen to undergo apoptosis, resulting in a reduction of tumor burden, reducing the frequency and severity of ovarian cancer. We have previously shown in normal ovaries that flaxseed and its components down-regulate ERalpha and alter the expression of enzymes that metabolize estrogen. In this study, we analyzed the effects of the two main components of whole flaxseed, ligan and omega 3 fatty acids on estrogen metabolism and the estrogen receptor in ovarian tumors...
January 23, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28157617/all-trans-retinoic-acid-represses-chemokine-expression-in-adipocytes-and-adipose-tissue-by-inhibiting-nf-%C3%AE%C2%BAb-signaling
#13
Esma Karkeni, Lauriane Bonnet, Julien Astier, Charlène Couturier, Julie Dalifard, Franck Tourniaire, Jean-François Landrier
An effect of the Vitamin A metabolite all-trans-retinoic acid (ATRA) on body weight regulation and adiposity has been described, but little is known about its impact on obesity-associated inflammation. Our objective was to evaluate the overall impact of this metabolite on inflammatory response in human and mouse adipocytes, using high-throughput methods, and to confirm its effects in a mouse model. ATRA (2 μM for 24 h) down-regulated the mRNA expression of 17 chemokines in human adipocytes, and limited macrophage migration in a TNFα-conditioned 3 T3-L1 adipocyte medium (73...
January 23, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28131897/long-noncoding-rnas-and-sulforaphane-a-target-for-chemoprevention-and-suppression-of-prostate-cancer
#14
Laura M Beaver, Rachael Kuintzle, Alex Buchanan, Michelle W Wiley, Sarah T Glasser, Carmen P Wong, Gavin S Johnson, Jeff H Chang, Christiane V Löhr, David E Williams, Roderick H Dashwood, David A Hendrix, Emily Ho
Long noncoding RNAs (lncRNAs) have emerged as important in cancer development and progression. The impact of diet on lncRNA expression is largely unknown. Sulforaphane (SFN), obtained from vegetables like broccoli, can prevent and suppress cancer formation. Here we tested the hypothesis that SFN attenuates the expression of cancer-associated lncRNAs. We analyzed whole-genome RNA-sequencing data of normal human prostate epithelial cells and prostate cancer cells treated with 15 μM SFN or dimethylsulfoxide. SFN significantly altered expression of ~100 lncRNAs in each cell type and normalized the expression of some lncRNAs that were differentially expressed in cancer cells...
January 12, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28131896/quercetin-a-functional-compound-of-onion-peel-remodels-white-adipocytes-to-brown-like-adipocytes
#15
Sang Gil Lee, John S Parks, Hye Won Kang
Adipocyte browning is a promising strategy for obesity prevention. Using onion-peel-derived extracts and their bioactive compounds, we demonstrate that onion peel, a by-product of onion, can change the characteristics of white adipocytes to those of brown-like adipocytes in the white adipose tissue of mice and 3T3-L1 cells. The expression of the following brown adipose tissue-specific genes was increased in the retroperitoneal and subcutaneous adipose tissues of 0.5% onion-peel-extract-fed mice: PR domain-containing 16, peroxisome proliferator-activated receptor gamma coactivator 1α, uncoupling protein 1, fibroblast growth factor 21 and cell death-inducing DFFA-like effector...
January 12, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28126648/maternal-consumption-of-low-isoflavone-soy-protein-isolate-alters-hepatic-gene-expression-and-liver-development-in-rat-offspring
#16
Sae Bom Won, Anna Han, Young Hye Kwon
In utero environment is known to affect fetal development. Especially, the distinct fetal programming of carcinogenesis was reported in offspring exposed to maternal diets containing soy protein isolate (SPI) or genistein. Therefore, we investigated whether maternal consumption of low-isoflavone SPI or genistein alters hepatic gene expression and liver development in rat offspring. Female Sprague-Dawley rats were fed a casein diet, a low-isoflavone SPI diet or a casein diet supplemented with genistein (250 mg/kg diet) for 2 weeks before mating and throughout pregnancy and lactation...
January 12, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28113104/dietary-tryptophan-alleviates-dextran-sodium-sulfate-induced-colitis-through-aryl-hydrocarbon-receptor-in-mice
#17
Jahidul Islam, Shoko Sato, Kouichi Watanabe, Takaya Watanabe, Ardiansyah, Keisuke Hirahara, Yukihide Aoyama, Shuhei Tomita, Hisashi Aso, Michio Komai, Hitoshi Shirakawa
Ulcerative colitis is the typical progression of chronic inflammatory bowel disease. Amino acids, particularly tryptophan, have been reported to exert a protective effect against colitis induced by dextran sodium sulfate (DSS), but the precise underlying mechanisms remain incompletely clarified. Tryptophan metabolites are recognized to function as endogenous ligands for aryl hydrocarbon receptor (Ahr), which is a critical regulator of inflammation and immunity. Thus, we conducted this study to investigate whether dietary tryptophan supplementation protects against DSS-induced colitis by acting through Ahr...
January 12, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28110122/17%C3%AE-estradiol-enhances-sulforaphane-cardioprotection-against-oxidative-stress
#18
Cristina Angeloni, Gabriella Teti, Maria Cristina Barbalace, Marco Malaguti, Mirella Falconi, Silvana Hrelia
The lower incidence of ischemic heart disease in female with respect to male gender suggests the possibility that female sex hormones could have specific effects in cardiovascular protection. 17β-Estradiol is the predominant premenopausal circulating form of estrogen and has a protective role on the cardiovascular system. Recent evidences suggest that gender can influence the response to cardiovascular medications; therefore, we hypothesized that sex hormones could also modulate the cardioprotective effects of nutraceutical compounds, such as the isothiocyanate sulforaphane, present in Brassica vegetables...
January 12, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28107678/nobiletin-and-its-colonic-metabolites-suppress-colitis-associated-colon-carcinogenesis-by-down-regulating-inos-inducing-antioxidative-enzymes-and-arresting-cell-cycle-progression
#19
Xian Wu, Mingyue Song, Zili Gao, Yue Sun, Minqi Wang, Fang Li, Jinkai Zheng, Hang Xiao
Nobiletin (NOB) is a major citrus polymethoxyflavone (PMF) with various beneficial biological activities. We reported previously that dietary NOB significantly inhibited colitis-associated colon carcinogenesis in azoxymethane (AOM)/dextran sulfate sodium (DSS)-treated mice, and the chemopreventive effects were associated with NOB metabolites found in the mouse colonic tissues. In this study, to better understand the role of colonic metabolites of NOB, we determined the anti-inflammation and anticancer effects of a mixture of NOB and its major metabolites (NOB-Met) at the concentrations equivalent to those found in colonic tissues of NOB-fed mice...
January 11, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28113103/two-dietary-polyphenols-fisetin-and-luteolin-reduce-inflammation-but-augment-dna-damage-induced-toxicity-in-human-rpe-cells
#20
Maria Hytti, Dora Szabó, Niina Piippo, Eveliina Korhonen, Paavo Honkakoski, Kai Kaarniranta, Goran Petrovski, Anu Kauppinen
Plant-derived polyphenols are known to possess anti-inflammatory and antioxidant effects. In recent years, several studies have investigated their potential benefits for treating chronic diseases associated with prolonged inflammation and excessive oxidative stress, such as age-related macular degeneration (AMD). Previously, two polyphenols, fisetin and luteolin, have been reported to increase the survival of retinal pigment epithelial (RPE) cells suffering from oxidative stress as well as decreasing inflammation but the benefits of polyphenol therapy seem to depend on the model system used...
January 9, 2017: Journal of Nutritional Biochemistry
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