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Lipids in Health and Disease

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https://www.readbyqxmd.com/read/27919272/enhanced-lipid-and-biomass-production-by-a-newly-isolated-and-identified-marine-microalga
#1
Mouna Dammak, Sandra Mareike Haase, Ramzi Miladi, Faten Ben Amor, Mohamed Barkallah, David Gosset, Chantal Pichon, Bernhard Huchzermeyer, Imen Fendri, Michel Denis, Slim Abdelkafi
BACKGROUND: The increasing demand for microalgae lipids as an alternative to fish has encouraged researchers to explore oleaginous microalgae for food uses. In this context, optimization of growth and lipid production by the marine oleaginous V2-strain-microalgae is of great interest as it contains large amounts of mono-unsaturated (MUFAs) and poly-unsaturated fatty acids (PUFAs). METHODS: In this study, the isolated V2 strain was identified based on 23S rRNA gene...
December 5, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27905947/fibroblast-growth-factor-21-potentially-inhibits-microrna-33-expression-to-affect-macrophage-actions
#2
EDITORIAL
Yuan Guo, Fei Luo, Yuhong Yi, Danyan Xu
Atherosclerosis is a chronic inflammatory disease with complex pathological processes. MicroRNA-33 (miR-33), a novel non-coding RNA that coexpresses with sterol regulatory element-binding proteins (SREBPs), affects macrophage actions to prevent atherosclerosis. Fibroblast growth factor 21 (FGF21) is an important regulator of lipid metabolism, especially for macrophage-related cholesterol export, but the mechanism is not fully studied. Interestingly, FGF21 has been evidenced to prevent atherosclerosis via inhibiting SREBP-2 expression...
December 1, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27887608/role-of-ncan-rs2228603-polymorphism-in-the-incidence-of-nonalcoholic-fatty-liver-disease-a-case-control-study
#3
Meng-Juan Wu, Chen Yuan, Lin-Lin Lu, Bai-Quan An, Shi-Ying Xuan, Yong-Ning Xin
BACKGROUND: Recently genome-wide association studies identified that NCAN rs2228603 polymorphism was associated with non-alcoholic fatty liver disease (NAFLD) mainly in subjects of European ancestry. While no research have been conducted to demonstrate the relationship between NCAN rs2228603 and NAFLD in Chinese Han adults. The aim of this study was to investigate whether NCAN rs2228603 is associated with NAFLD in Chinese population. METHODS: Gene NCAN rs2228603 was genotyped in 182 patients with NAFLD and 195 healthy controls...
November 26, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27887602/combination-of-aspirin-with-essential-fatty-acids-is-superior-to-aspirin-alone-to-prevent-or-ameliorate-sepsis-or-ards
#4
EDITORIAL
Undurti N Das
It has been suggested that aspirin may be of benefit in treating sepsis and ARDS in view of its ability to block cyclo-oxygenase-1 (COX-1) and COX-2 activities; inhibit nuclear factor kappa B (NF-κB); enhance the production of endothelial nitric oxide (eNO) and lipoxin A4 (LXA4). Our previous studies revealed that plasma phospholipid content of arachidonic acid (AA) and eicosapentaenoic acid (EPA) is low in patients with sepsis. This implies that beneficial actions of aspirin in sepsis and ARDS is unlikely to be obtained in view of deficiency of AA and EPA, the precursors of LXA4 and resolvins respectively that are potent anti-inflammatory compounds and enhancers of eNO generation...
November 25, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27884155/long-chain-polyunsaturated-fatty-acids-lcpufas-and-nordihydroguaiaretic-acid-ndga-modulate-metabolic-and-inflammatory-markers-in-a-spontaneous-type-2-diabetes-mellitus-model-stillman-salgado-rats
#5
Alejandro Dain, Gaston Repossi, Gustavo T Diaz-Gerevini, Jairam Vanamala, Undurti N Das, Aldo R Eynard
BACKGROUND: Diabetes mellitus (DM) is a complex disease with alterations in metabolic and inflammatory markers. Stillman Salgado rats (eSS) spontaneously develop type 2 DM by middle age showing progressive impairment of glucose tolerance with hyperglycemia, hypertriglyceridemia and hyperinsulinemia. We analyzed the effects of supplementation of ω-3 and ω-6 polyunsaturated fatty acids (PUFAs) with or without nordihydroguaiaretic acid (NDGA) added, an antioxidant and lipoxygenase inhibitor, on metabolic and inflammatory parameters in eSS rats to evaluate whether they can delay development and/or prevent progression of DM...
November 25, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27881129/impact-of-dipeptidyl-peptidase-4-inhibitors-on-serum-adiponectin-a-meta-analysis
#6
Xin Liu, Peng Men, Yuhui Wang, Suodi Zhai, George Liu
BACKGROUND: Adiponectin, an adipose-specific protein, is negatively correlated with pro-atherogenic low-density lipoprotein cholesterol (LDL-C) and other cardiovascular risk factors such as insulin resistance. Therefore, low levels of adiponectin are associated with a higher risk for diabetes and cardiovascular disease. Dipeptidyl peptidase-4 inhibitors (DPP4i) have been used for the treatment of type 2 diabetes mellitus (T2DM) as reversible inhibitors through interacting with DPP4 substrate and increase serum incretins such as glucagon-like peptide-1 (GLP-1)...
November 23, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27881128/effect-of-intensive-insulin-treatment-on-plasma-levels-of-lipoprotein-associated-phospholipase-a2-and-secretory-phospholipase-a2-in-patients-with-newly-diagnosed-type-2-diabetes
#7
Xiu-Hong Lin, Ming-Tong Xu, Jv-Ying Tang, Li-Fang Mai, Xiao-Yi Wang, Meng Ren, Li Yan
BACKGROUND: China has the highest absolute disease burden of diabetes worldwide. For diabetic patients, diabetes-related vascular complications are major causes of morbidity and mortality. The roles of lipoprotein-associated phospholipase A2 (Lp-PLA2) and secretory phospholipase A2 (sPLA2) as inflammatory markers have been recently evaluated in the pathogenesis of both diabetes and atherosclerosis. We aimed to determine the mechanism through which patients with newly diagnosed type 2 diabetes gain long-term vascular benefit from intensive insulin therapy by evaluating the change in Lp-PLA2 and sPLA2 levels after early intensive insulin treatment and its relevance with insulin resistance and pancreatic β-cell function...
November 23, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27876064/melatonin-improves-non-alcoholic-fatty-liver-disease-via-mapk-jnk-p38-signaling-in-high-fat-diet-induced-obese-mice
#8
Hang Sun, Xingchun Wang, Jiaqi Chen, Kexiu Song, Aaron M Gusdon, Liang Li, Le Bu, Shen Qu
BACKGROUND: Melatonin can regulate lipid metabolism, increase insulin sensitivity, regulate glucose metabolism and reduce body weight. This study is aimed to determine the effects and mechanism of action of melatonin on non-alcoholic fatty liver disease (NAFLD) in high-fat-diet (HFD) induced obese mice. METHODS: NAFLD was induced by HFD in C57BL/6 mice. A total of 24 mice were randomly assigned to 4 groups. Groups A and B were fed with HFD for 36 weeks while groups C and D were fed with a regular diet (RD)...
November 23, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27876051/dietary-marine-derived-long-chain-monounsaturated-fatty-acids-and-cardiovascular-disease-risk-a-mini-review
#9
REVIEW
Zhi-Hong Yang, Beatrice Emma-Okon, Alan T Remaley
Regular fish/fish oil consumption is widely recommended for protection against cardiovascular diseases (CVD). Fish and other marine life are rich sources of the cardioprotective long-chain n-3 polyunsaturated fatty acids (n-3 PUFA) eicosapentaenoic acid (C20:5 n-3; EPA) and docosahexaenoic acid (C22:6 n-3; DHA). The lipid content and fatty acid profile of fish, however, vary greatly among different fish species. In addition to n-3 PUFA, certain fish, such as saury, pollock, and herring, also contain high levels of long-chain monounsaturated fatty acids (LCMUFA), with aliphatic tails longer than 18 C atoms (i...
November 22, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27871290/heterozygous-connexin-50-mutation-affects-metabolic-syndrome-attributes-in-spontaneously-hypertensive-rat
#10
Ondřej Šeda, Drahomíra Křenová, Olena Oliyarnyk, Lucie Šedová, Michaela Krupková, František Liška, Blanka Chylíková, Ludmila Kazdová, Vladimír Křen
BACKGROUND: Several members of connexin family of transmembrane proteins were previously implicated in distinct metabolic conditions. In this study we aimed to determine the effects of complete and heterozygous form of connexin50 gene (Gja8) mutation L7Q on metabolic profile and oxidative stress parameters in spontaneously hypertensive inbred rat strain (SHR). METHODS: Adult, standard chow-fed male rats of SHR, heterozygous SHR-Dca+/- and SHR-Dca-/- coisogenic strains were used...
November 21, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27871288/tissue-specific-expression-of-human-fatty-acid-oxidation-enzyme-genes-in-late-pregnancy
#11
Jose L Bartha, Fernando Bugatto, Álvaro Fernández-Deudero, Rosa Fernández-Macías, Germán Perdomo
BACKGROUND: Abnormal fatty acid oxidation (FAO) is associated with maternal and fetal complications during pregnancy. The contribution of maternal and fetal tissues to FAO capacity during late pregnancy is important to understand the pathophysiology of pregnancy-associated complications. The aim of this study was to determine the expression levels of mitochondrial FAO enzymes in maternal and fetal tissues during late normal pregnancy. METHODS: We have measured by Real-time PCR the levels of long- and medium -chain acyl-CoA dehydrogenase (LCHAD and MCAD), two acyl-CoA dehydrogenases that catalyze the initial step in the mitochondrial FAO spiral...
November 21, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27863493/impact-of-low-high-density-lipoprotein-cholesterol-level-on-2-year-clinical-outcomes-after-acute-myocardial-infarction-in-patients-with-diabetes-mellitus
#12
Hyung Joon Joo, Sang-A Cho, Soon Jun Hong, Seung-Ho Hur, Jang-Ho Bae, Dong-Ju Choi, Young-Keun Ahn, Jong-Seon Park, Rak-Kyeong Choi, Donghoon Choi, Joon-Hong Kim, Kyoo-Rok Han, Hun-Sik Park, So-Yeon Choi, Jung-Han Yoon, Hyeon-Cheol Kwon, Seung-Woon Rha, Kyung-Kuk Hwang, Kyung-Tae Jung, Seok-Kyu Oh, Jae-Hwan Lee, Eun-Seok Shin, Kee-Sik Kim, Hyo-Soo Kim, Do-Sun Lim
BACKGROUND: It is still unclear whether low high-density lipoprotein cholesterol (HDL-C) affects cardiovascular outcomes after acute myocardial infarction (AMI), especially in patients with diabetes mellitus. METHODS: A total of 984 AMI patients with diabetes mellitus from the DIabetic Acute Myocardial InfarctiON Disease (DIAMOND) Korean multicenter registry were divided into two groups based on HDL-C level on admission: normal HDL-C group (HDL-C ≥ 40 mg/dL, n = 519) and low HDL-C group (HDL-C < 40 mg/dL, n = 465)...
November 18, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27863485/potential-effects-of-samsum-ant-brachyponera-sennaarensis-venom-on-tnf-%C3%AE-nf-%C3%AE%C2%BAb-mediated-inflammation-in-ccl4-toxicity-in-vivo
#13
Jameel Al-Tamimi, Ibrahim M Alhazza, Mohamed Al-Khalifa, Ali Metwalli, Ahmed Rady, Hossam Ebaid
BACKGROUND: Ant venom shows antimicrobial, anti-parasitic and anti-inflammatory activities, both in vitro and in vivo. Our recent studies have confirmed the role of samsum ant venom (SAV) as a powerful antioxidant. This study aimed to investigate whether SAV as a potential treatment for CCl4-induced acute liver toxicity in an animal (rat) model. METHODS: Thirty-two rats were assigned into four groups; the first one served as the control. The second group received a single dose of 1 ml/kg CCl4 in a 1:1 ratio with olive oil through an intraperitoneal injection...
November 18, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27855711/lowering-effects-of-aspirin-eugenol-ester-on-blood-lipids-in-rats-with-high-fat-diet
#14
Isam Karam, Ning Ma, Xi-Wang Liu, Xiao-Jun Kong, Xiao-Le Zhao, Ya-Jun Yang, Jian-Yong Li
BACKGROUND: Aspirin and eugenol were esterified to synthesize aspirin eugenol ester (AEE). As a pale yellow and odourless crystal, AEE reduced the gastrointestinal damage of aspirin and vulnerability of eugenol. The study was conducted to evaluate the preventive effects of AEE on blood lipids in rats with high fat diet (HFD). METHODS: Suspensions of AEE and simvastatin were prepared in 5% carboxymethyl cellulose sodium (CMC-Na). In order to observe the intervention effects, the drugs and HFD were administrated at the same time...
November 17, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27852305/schisandra-polysaccharide-inhibits-hepatic-lipid-accumulation-by-downregulating-expression-of-srebps-in-nafld-mice
#15
Chun-Mei Wang, Rong-Shuang Yuan, Wen-Yue Zhuang, Jing-Hui Sun, Jin-Ying Wu, He Li, Jian-Guang Chen
BACKGROUND: Hepatoprotective effects of Chinese herbal medicine Schisandra Chinensis (Schisandra) have been widely investigated. However, most studies were focused on its lignan extracts. We investigated the effects of Schisandra polysaccharide (SCP) in a mouse model of non-alcoholic fatty liver disease (NAFLD), and studied its effect on sterol regulatory element binding proteins (SREBPs) and the related genes. METHODS: The mouse model of NAFLD was established by feeding mice with a high-fat diet for 16 weeks...
November 16, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27852304/echocardiographic-epicardial-fat-thickness-is-a-predictor-for-target-vessel-revascularization-in-patients-with-st-elevation-myocardial-infarction
#16
Jin-Sun Park, You-Hong Lee, Kyoung-Woo Seo, Byoung-Joo Choi, So-Yeon Choi, Myeong-Ho Yoon, Gyo-Seung Hwang, Seung-Jea Tahk, Joon-Han Shin
BACKGROUND: The amount of epicardial adipose tissue (EAT) has been demonstrated to correlate with the severity of coronary artery disease (CAD) and the CAD activity. The aim of this study is to assess the impact of EAT on long term clinical outcomes in patients with ST elevation myocardial infarction (STEMI) after percutaneous coronary intervention (PCI). METHODS: We analyzed the data and clinical outcomes of 761 patients (614 males, 57 ± 12 year-old) with STEMI who underwent successful primary PCI from 2003 to 2009...
November 16, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27842594/fetal-gender-and-gestational-age-differentially-affect-pcsk9-levels-in-intrauterine-growth-restriction
#17
Ulrich Pecks, Werner Rath, Nicolai Maass, Bartlomiej Berger, Imke Lueg, André Farrokh, Sabrina Farrokh, Christel Eckmann-Scholz
BACKGROUND: Maternal and fetal Low Density Lipoprotein-Cholesterol (LDL-C) concentrations are compromised in intrauterine growth restriction (IUGR). Generally, LDL-C catabolism is under control of PCSK9 by binding to the LDL-receptor leading to its degradation. Hence, we hypothesized a role for PCSK9 in the modulation of lipid metabolism and placental transport in IUGR. METHODS: 172 women, 70 IUGR and 102 controls were included in the study. Maternal and fetal serum PCSK9 levels and lipid profiles including LDL-C were measured...
November 14, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27832777/a-proteomic-analysis-of-acute-leukemia-cells-treated-with-9-hydroxyoctadecadienoic-acid
#18
Zhen Li, Bohong Chen, Ping Wang, Xin Li, Gaotai Cai, Wei Wei, Wenqi Dong
BACKGROUND: 9s-hydroxy-octadecadienoic acid (9S-HOD), one of the natural products of linoleic acid oxygenation by 15-lipoxygenase (15-LOX), has been found to have anti-tumor properties in vitro and in vivo. The present study therefore investigated whether 9S-HOD affects acute leukemia HL-60 cells. METHODS: The cytotoxicity of 9S-HOD in HL-60 with or without the presence of fetal bovine serum (FBS) in the culture media was tested using cell viability assays and flow cytometry...
November 10, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27829435/erratum-to-the-therapeutic-efficacy-of-intensive-medical-therapy-in-ameliorating-high-density-lipoprotein-dysfunction-in-subjects-with-type-two-diabetes
#19
Sangeeta Kashyap, Karim Kheniser, Ling Li, James Bena, Takhar Kasumov
No abstract text is available yet for this article.
November 9, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27825360/a-possible-regulatory-link-between-twist-1-and-ppar%C3%AE-gene-regulation-in-3t3-l1-adipocytes
#20
Rui Ren, Zhufeng Chen, Xia Zhao, Tao Sun, Yuchao Zhang, Jie Chen, Sumei Lu, Wanshan Ma
BACKGROUND: Peroxisome proliferator-activated receptor γ (PPARγ) is a critical gene that regulates the function of adipocytes. Therefore, studies on the molecular regulation mechanism of PPARγ are important to understand the function of adipose tissue. Twist 1 is another important functional gene in adipose tissue, and hundreds of genes are regulated by Twist 1. The aim of this study was to investigate the regulation of Twist 1 and PPARγ expression in 3T3-L1 mature adipocytes. METHODS: We induced differentiation in 3T3-L1 preadipocytes and examined alterations in Twist 1 and PPARγ expression...
November 8, 2016: Lipids in Health and Disease
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