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https://www.readbyqxmd.com/read/28731787/effect-of-euterpe-oleracea-mart-a%C3%A3-a%C3%A3-oil-on-dyslipidemia-caused-by-cocos-nucifera-l-saturated-fat-in-wistar-rats
#1
Belmira S Faria E Souza, Helison O Carvalho, Talisson Taglialegna, Albenise Santana A Barros, Edilson Leal da Cunha, Irlon Maciel Ferreira, Hady Keita, Andres Navarrete, José Carlos Tavares Carvalho
Dyslipidemia is caused by disturbances in lipid metabolism that lead to chronic elevations of serum lipids, especially low-density lipoprotein (LDL)-cholesterol and triglycerides, increasing the risk of metabolic syndrome, obesity, diabetes, atherogenic processes, and cardiovascular diseases. The oil from the fruits of Euterpe oleracea (OFEO) is rich in unsaturated fatty acids with potential for treating alterations in lipid metabolism. In this study, we aimed to investigate the effect of OFEO on hyperlipidemia induced by Cocos nucifera L...
July 21, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28731365/chemical-composition-and-antimigraine-activity-of-essential-oil-of-angelicae-dahuricae-radix
#2
Jingbo Sun, He Li, Jinghui Sun, Huimin Liu, Jianguang Chen, Chunmei Wang
The aim of this study was to explore the chemical composition and the effect of essential oil of Angelicae dahuricae radix on a nitroglycerin (NTG)-induced rat model of migraine. The CO2 supercritical fluid extraction method was optimized for the extraction of essential oil of A. dahuricae radix (EOAD) and its chemical composition was determined. The migraine model was established by subcutaneous injection of NTG (10 mg/kg) 1 h after the last administration of EOAD. The therapeutic effect of EOAD and its underlying mechanism were assessed by monitoring behavioral changes, levels of nitric oxide (NO) in serum and brain tissues, plasma levels of calcitonin gene-related peptide (CGRP) and endothelin (ET), and ET/NO ratio...
July 21, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28731188/hispidin-rescues-palmitate%C3%A2-induced-insulin-resistance-in-c2c12-myotubes
#3
Jong Seok Lee, Jun Myoung Park, Sarah Lee, Hye Jin Lee, Hee-Sun Yang, Joohong Yeo, Ki Rim Lee, Byung Hyun Choi, Eock Kee Hong
Skeletal muscle serves an important role in the utilization of glucose during insulin‑stimulated conditions. Excessive saturated fatty acids are considered to be a major contributing factor to insulin resistance in skeletal muscle cells. The present study investigated the effects of hispidin on palmitate‑induced insulin resistance in C2C12 skeletal muscle myotubes via an MTT assay, glucose uptake assay, Oil‑Red‑O staining and western blot analysis. Hispidin reversed the palmitate‑induced inhibition of glucose uptake, and inhibited palmitate‑induced intracellular lipid accumulation...
July 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28731171/protective-role-of-pollen-typhae-total-flavone-against-the-palmitic-acid-induced-impairment-of-glucose-stimulated-insulin-secretion-involving-gpr40-signaling-in-ins-1-cells
#4
Xiao-Tao Feng, Hui-Ming Duan, Shuang-Lei Li
Prolonged elevated levels of free fatty acids (FFAs) contribute to the impairment of insulin secretion function of pancreatic β cells, a hallmark of type 2 diabetes, which is partly attributed to the dysfunction of G-protein-coupled receptor 40 (GPR40) signaling. Pollen Typhae total flavone (PTF), an extract from a Chinese herbal medicine named Pollen Typhae, has been reported to effectively treat type 2 diabetes, but the underlying mechanisms remain to be fully elucidated. In the present study, palmitic acid (PA), a saturated fatty acid, severely impaired glucose-stimulated insulin secretion (GSIS) in a time-dependent manner in INS-1 cells, and PTF treatment prevented the impairment in a dose-dependent manner...
July 18, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28730512/nlrp3-deletion-inhibits-the-non-alcoholic-steatohepatitis-development-and-inflammation-in-kupffer-cells-induced-by-palmitic-acid
#5
Can Cai, Xiwen Zhu, Peizhi Li, Jinzheng Li, Jianping Gong, Wei Shen, Kun He
The cleavage and secretion of pro-inflammatory cytokines IL-1β and IL-18 is regulated by NLRP3 (NACHT, LRR, and PYD domain-containing protein 3) inflammasome activation. Kupffer cells (KCs) are implicated in the pathogenesis of various liver diseases, such as non-alcoholic fatty liver disease (NAFLD), alcoholic liver disease, and liver fibrosis. However, the role of NLRP3 played in the non-alcoholic steatohepatitis (NASH) has yet to be evaluated. In the present study, methionine-choline-deficient (MCD) diet was used to establish the mice NASH model...
July 20, 2017: Inflammation
https://www.readbyqxmd.com/read/28729415/an-essential-role-for-the-tumor-suppressor-merlin-in-regulating-fatty-acid-synthesis
#6
Dina S Stepanova, Galina Semenova, Yin-Ming Kuo, Andrew J Andrews, Sylwia Ammoun, C Oliver Hanemann, Jonathan Chernoff
Neurofibromatosis type 2 (NF2) is an autosomal dominant disorder characterized by the development of multiple tumors in the central nervous system, most notably schwannomas and meningiomas. Mutational inactivation of the NF2 gene encoding the protein Merlin is found in most sporadic and inherited schwannomas, but the molecular mechanisms underlying neoplastic changes in schwannoma cells remain unclear. We report here that NF2-deficient cells display elevated expression levels of key enzymes involved in lipogenesis and that this upregulation is caused by increased activity of Torc1...
July 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28729072/recycling-of-food-waste-for-fuel-precursors-using-an-integrated-bio-refinery-approach
#7
O P Karthikeyan, H T Nguyen Hao, Ali Razaghi, Kirsten Heimann
The main aim was to integrate FW-recycling with cultivation of Rhodotorula glutinis and anaerobic digestion (AD) for bio-energy and -fuel recovery. Mixed FW was mechanically macerated (Pcon) and hydrolysed (at 250gL(-1) water) via chemical (Ch), thermal (Th) and TCh (combined Ch and Th) treatments. Cleared hydrolysates from individual pre-treatment processes were used as culture medium for cultivation of R. glutinis, while the residual solids (RS) were subjected to AD. Pcon cultivation yielded maximal R. glutinis dry weight biomass (5...
June 26, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28727953/fatty-acid-composition-of-plasma-phosphatidylcholine-determines-body-fat-parameters-in-subjects-with-metabolic-syndrome-related-traits
#8
Miroslav Zeman, Marek Vecka, Michal Burda, Eva Tvrzická, Barbora Staňková, Jaroslav Macášek, Aleš Žák
BACKGROUND: This study examines the associations of fatty acids (FAs) in plasma phosphatidylcholine (PC) with the anthropometrical and biochemical characteristic of patients with metabolic syndrome (MetS)-related traits. METHODS: We analyzed the FA profiles of PC in 300 persons with MetS-related traits (152 M/148F, mean age 46.9 ± 9.0 years) and in 70 healthy controls of the same age using a balanced men/women ratio and gas-liquid chromatography. Multivariate linear regression analysis was performed to determine the coefficients of determination (R(2)) using FA proportions of the mentioned proband characteristics...
July 20, 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28727102/effects-of-lipid-form-and-source-on-digestibility-of-fat-and-fatty-acids-in-growing-pigs
#9
Z C Li, Y B Su, X H Bi, Q Y Wang, J Wang, J B Zhao, L Liu, F L Wang, D F Li, C H Lai
The objective of this study was to compare the effect of source (corn DDGS, rice bran, or soybean) or form of oil (extracted or intact) on apparent total tract digestibility (ATTD) and true total tract digestibility (TTTD) of acid-hydrolyzed ether extract (AEE) and fatty acids. The study determined and compared the ATTD or TTTD of AEE and fatty acids in extracted corn oil, rice oil, and soybean oil with intact oil in corn DDGS, full-fat rice bran, and full-fat soybean. Seventy-eight barrows (initial BW = 47...
July 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28726959/association-of-cultured-myotubes-and-fasting-plasma-metabolite-profiles-with-mitochondrial-dysfunction-in-type-2-diabetes-subjects
#10
Mohamad Hafizi Abu Bakar, Mohamad Roji Sarmidi
Accumulating evidence implicates mitochondrial dysfunction-induced insulin resistance in skeletal muscle as the root cause for the greatest hallmarks of type 2 diabetes (T2D). However, the identification of specific metabolite-based markers linked to mitochondrial dysfunction in T2D has not been adequately addressed. Therefore, we sought to identify the markers-based metabolomics for mitochondrial dysfunction associated with T2D. First, a cellular disease model was established using human myotubes treated with antimycin A, an oxidative phosphorylation inhibitor...
July 20, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28726347/md2-blockage-protects-obesity-induced-vascular-remodeling-via-activating-ampk-nrf2
#11
Lintao Wang, Jibo Han, Peiren Shan, Shengban You, Xuemei Chen, Yiyi Jin, Jingying Wang, Weijian Huang, Yi Wang, Guang Liang
OBJECTIVE: Obesity and increased free fatty acid (FFA) levels are tightly linked with vascular oxidative stress and remodeling. Myeloid differentiation 2 (MD2), an important protein in innate immunity, is requisite for endotoxin lipopolysaccharide responsiveness. This study shows that palmitic acid (PA) also bonds to MD2, initiating cardiac inflammatory injury. However, it is not clear whether MD2 plays a role in noninflammatory systems such as obesity- and FFA-related oxidative stress involved in vascular remodeling and injury...
July 20, 2017: Obesity
https://www.readbyqxmd.com/read/28724742/the-myokine-irisin-is-released-in-response-to-saturated-fatty-acids-and-promotes-pancreatic-beta-cell-survival-and-insulin-secretion
#12
Annalisa Natalicchio, Nicola Marrano, Giuseppina Biondi, Rosaria Spagnuolo, Rossella Labarbuta, Immacolata Porreca, Angelo Cignarelli, Marco Bugliani, Piero Marchetti, Sebastio Perrini, Luigi Laviola, Francesco Giorgino
This study explored the role of irisin as a new pancreatic beta-cell secretagogue and survival factor and its potential role in the communication between skeletal muscle and pancreatic beta-cells under lipotoxic conditions. Recombinant irisin stimulated insulin biosynthesis and glucose-stimulated insulin secretion (GSIS) in a PKA-dependent manner, and prevented saturated fatty acid-induced apoptosis in human and rat pancreatic beta-cells, as well as in human and murine pancreatic islets, via AKT/BCL2 signaling...
July 19, 2017: Diabetes
https://www.readbyqxmd.com/read/28723961/dysfunctional-gpr40-ffar1-signaling-exacerbates-pain-behavior-in-mice
#13
Kazuo Nakamoto, Fuka Aizawa, Kei Miyagi, Takuya Yamashita, Mitsumasa Mankura, Yutaka Koyama, Fumiyo Kasuya, Akira Hirasawa, Takashi Kurihara, Atsuro Miyata, Shogo Tokuyama
We previously showed that activation of G protein-coupled receptor 40/free fatty acid receptor 1 (GPR40/FFAR1) signaling modulates descending inhibition of pain. In this study, we investigated the involvement of fatty acid-GPR40/FFAR1 signaling in the transition from acute to chronic pain. We used GPR40/FFAR1-knockout (GPR40KO) mice and wild-type (WT) mice. A plantar incision was performed, and mechanical allodynia and thermal hyperalgesia were evaluated with a von Frey filament test and plantar test, respectively...
2017: PloS One
https://www.readbyqxmd.com/read/28721615/phycoremediation-potential-of-marine-microalga-tetraselmis-indica-on-secondary-treated-domestic-sewage-for-nutrient-removal-and-biodiesel-production
#14
Amit, Rajesh Chandra, Uttam Kumar Ghosh, Jagdeep Kumar Nayak
Marine microalga Tetraselmis indica (T. indica) was cultivated in secondary treated domestic sewage (STDS) in batch mode. Optimization studies showed that after 14 days of cultivation period, highest biomass yield reached was 0.88 ± 0.04 g/L at the optimum temperature of 27 ± 1 °C and light intensity of 135 μmol m(-2) s(-1). T. indica removed about 60.93% phosphate, 78.46% nitrate, 72.94% chemical oxygen demand (COD), 73.17% biological oxygen demand (BOD), 98.90% total dissolved solids (TDS) and heavy metals (83...
July 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28720945/cold-pressed-versus-solvent-extracted-lemon-citrus-limon-l-seed-oils-yield-and-properties
#15
Emin Yilmaz, Buket Aydeniz Güneşer
During the processing of lemon fruit, a large quantity of seeds is produced as a by-product. These seeds contain valuable components; therefore, required to be evaluated. This study aimed to compare the cold pressed with hexane-extracted lemon seed oils and determine their physicochemical and thermal properties. Cold pressing yielded significantly lower oil (36.84%) than hexane extraction (71.29%). In addition, the concentrations of free fatty acids, peroxides, and p-anisidine were lower in the cold pressed oil...
June 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28718808/beta-palmitate-improves-bone-length-and-quality-during-catch-up-growth-in-young-rats
#16
Meytal Bar-Maisels, Yankel Gabet, Raanan Shamir, Sahar Hiram-Bab, Metsada Pasmanik-Chor, Moshe Phillip, Fabiana Bar-Yoseph, Galia Gat-Yablonski
Palmitic acid (PA) is the most abundant saturated fatty acid in human milk, where it is heavily concentrated in the sn-2-position (termed beta palmitate, BPA) and as such is conserved in all women, regardless of their diet or ethnicity, indicating its physiological and metabolic importance. We hypothesized that BPA improves the efficiency of nutrition-induced catch up growth as compared to sn-1,3 PA, which is present in vegetable oil. Pre-pubertal male rats were subjected to a 17 days food restriction followed by re-feeding for nine days with 1,3 PA or BPA-containing diets...
July 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28715871/improvement-of-mitochondrial-function-by-celastrol-in-palmitate-treated-c2c12-myotubes-via-activation-of-pi3k-akt-signaling-pathway
#17
Mohamad Hafizi Abu Bakar, Joo Shun Tan
Compelling evidences posited that high level of saturated fatty acid gives rise to mitochondrial dysfunction and inflammation in the development of insulin resistance in skeletal muscle. Celastrol is a pentacyclic triterpenoid derived from the root extracts of Tripterygium wilfordii that possesses potent anti-inflammatory properties in a number of animal models with metabolic diseases. However, the cellular mechanistic action of celastrol in alleviating obesity-induced insulin resistance in skeletal muscle remains largely unknown...
July 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28715446/active-subfractions-of-abelmoschus-esculentus-substantially-prevent-free-fatty-acid-induced-%C3%AE-cell-apoptosis-via-inhibiting-dipeptidyl-peptidase-4
#18
Chien-Ning Huang, Chau-Jong Wang, Yi-Ju Lee, Chiung-Huei Peng
Lipotoxicity plays an important role in exacerbating type 2 diabetes mellitus (T2DM) and leads to apoptosis of β cells. Recently dipeptidyl peptidase-4 (DPP-4) inhibitors have emerged as a useful tool in the treatment of T2DM. DPP-4 degrades type 1 glucagon-like peptide (GLP-1), and GLP-1 receptor (GLP-1R) signaling has been shown to protect β cells by modulating AMPK/mTOR, PI3K, and Bax. The anti-hyperglycemic effect of Abelmoschus esculentus (AE) is well known, however its mucilage makes it difficult to further examine this effect...
2017: PloS One
https://www.readbyqxmd.com/read/28711265/feeding-a-concentrate-rich-in-rapeseed-oil-improves-fatty-acid-composition-and-flavor-in-norwegian-goat-milk
#19
R A Inglingstad, S Skeie, G E Vegarud, T G Devold, Y Chilliard, M Eknæs
Impaired quality due to a high content of free fatty acids (FFA) and off-flavors has caused challenges in the development of Norwegian goat milk products. The present study aimed to examine the effect of lipid-supplemented concentrates on milk fat content, fatty acid composition, FFA, lipoprotein lipase activity, sensory properties, and size of milk fat globules of goat milk. Thirty goats assigned to 3 experimental groups were fed different concentrates from 60 d in milk (DIM) until late lactation (230 DIM)...
July 12, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28711245/feeding-of-palm-oil-fatty-acids-or-rapeseed-oil-throughout-lactation-effects-on-energy-status-body-composition-and-milk-production-in-norwegian-dairy-goats
#20
M Eknæs, Y Chilliard, K Hove, R A Inglingstad, L Bernard, H Volden
The objective of this experiment was to examine how supplements of rapeseed oil or palm oil fatty acids would affect milk production and composition, body lipid stores, and energy balance in 30 multiparous goats of Norwegian dairy goat breed. The experiment lasted 230 d, with 1 to 120 d in milk (DIM) for indoor feeding (P1), 120 to 200 DIM for mountain grazing (P2), and 200 to 230 DIM for indoor feeding (P3). Grass silage was fed according to appetite during indoor feeding periods. After an adjustment period (1-60 DIM) when the control diet was given to the goats, the animals were subdivided into 3 groups of 10 goats...
July 12, 2017: Journal of Dairy Science
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