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https://www.readbyqxmd.com/read/28340513/mendelian-randomisation-implicates-hyperlipidaemia-as-a-risk-factor-for-colorectal-cancer
#1
Henry Rodriguez-Broadbent, Philip J Law, Amit Sud, Kimmo Palin, Sari Tuupanen, Alexandra Gylfe, Ulrika A Hänninen, Tatiana Cajuso, Tomas Tanskanen, Johanna Kondelin, Eevi Kaasinen, Antti-Pekka Sarin, Samuli Ripatti, Johan G Eriksson, Harri Rissanen, Paul Knekt, Eero Pukkala, Pekka Jousilahti, Veikko Salomaa, Aarno Palotie, Laura Renkonen-Sinisalo, Anna Lepistö, Jan Böhm, Jukka-Pekka Mecklin, Nada A Al-Tassan, Claire Palles, Lynn Martin, Ella Barclay, Susan M Farrington, Maria N Timofeeva, Brian F Meyer, Salma M Wakil, Harry Campbell, Christopher G Smith, Shelley Idziaszczyk, Timothy S Maughan, Richard Kaplan, Rachel Kerr, David Kerr, Michael N Passarelli, Jane C Figueiredo, Daniel D Buchanan, Aung K Win, John L Hopper, Mark A Jenkins, Noralane M Lindor, Polly A Newcomb, Steven Gallinger, David Conti, Fred Schumacher, Graham Casey, Lauri A Aaltonen, Jeremy P Cheadle, Ian P Tomlinson, Malcolm G Dunlop, Richard S Houlston
While elevated blood cholesterol has been associated with an increased risk of colorectal cancer (CRC) in observational studies, causality is uncertain. Here we apply a Mendelian randomisation (MR) analysis to examine the potential causal relationship between lipid traits and CRC risk. We used single nucleotide polymorphisms (SNPs) associated with blood levels of total cholesterol (TC), triglyceride (TG), low-density lipoprotein (LDL), and high-density lipoprotein (HDL) as instrumental variables (IV). We calculated MR estimates for each risk factor with CRC using SNP-CRC associations from 9,254 cases and 18,386 controls...
March 24, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28338187/the-predictive-value-of-baseline-ldl-tg-level-on-major-adverse-cardiovascular-events-in-a-followed-up-cohort-population
#2
X-H Ding, P Ye, X-N Wang, R-H Cao, X Yang, W-K Xiao, Y Zhang, Y-Y Bai, H-M Wu
OBJECTIVE: We aimed at identifying the predictive roles of Low-Density Lipoprotein Triglycerides (LDL-TG) for major adverse cardiovascular events (MACEs). PATIENTS AND METHODS: A longitudinal study in a routine health check-up population was performed with an average follow-up of 4.8 years. The participants involved in this study were 1680, from 2007 to 2009, and all had followed-up for all-cause mortality, cardiovascular disease mortality, and the development of MACEs...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28322379/wine-lees-modulate-lipid-metabolism-and-induce-fatty-acid-remodelling-in-zebrafish
#3
M Caro, A Sansone, J Amezaga, V Navarro, C Ferreri, I Tueros
This study investigates the ability of a polyphenolic extract obtained from a wine lees by-product to modulate zebrafish lipid metabolism. Lees from a Spanish winery were collected and the polyphenolic extract was chemically characterised in terms of antioxidant capacity, total phenolic content and the individual main phenolic compounds. The effects of the extract on lipid metabolism were evaluated using a zebrafish animal model. Lees are rich in polyphenols (42.33 mg gallic acid equivalent per g dry matter) with high antioxidant capacity (56...
March 21, 2017: Food & Function
https://www.readbyqxmd.com/read/28321159/proton-pump-inhibitor-induced-collagen-expression-in-colonocytes-is-associated-with-collagenous-colitis
#4
Shiori Mori, Yui Kadochi, Yi Luo, Rina Fujiwara-Tani, Yukiko Nishiguchi, Shingo Kishi, Kiyomu Fujii, Hitoshi Ohmori, Hiroki Kuniyasu
AIM: To elucidate the role of proton pump inhibitors (PPIs) in collagenous disease, direct effect of PPI on colonocytes was examined. METHODS: Collagenous colitis is a common cause of non-bloody, watery diarrhea. Recently, there has been increasing focus on the use of proton PPIs as a risk factor for developing collagenous colitis. Mouse CT26 colonic cells were treated with PPI and/or PPI-induced alkaline media. Expression of fibrosis-associated genes was examined by RT-PCR...
March 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28317774/development-of-an-up-grading-process-to-produce-mlm-structured-lipids-from-sardine-discards
#5
R Morales-Medina, M Munio, A Guadix, E M Guadix
The aim of the work was to produce MLM structured lipids with caprylic acid (M) as medium chain fatty acid located at the external bonds of the glycerol backbone and concentrated polyunsaturated fatty acids (L) from sardine discards (Sardine pilchardus) in the central bond of the glycerol. To that end, the following steps were conducted: (i) fish oil extraction, (ii) Omega-3 free fatty acids (FFA) concentration (low temperature winterization), (iii) two-steps enzymatic esterification and (iv) triacylglycerols (TAG) purification (liquid column chromatography)...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28315688/fullerenol-nanoparticles-prevents-doxorubicin-induced-acute-hepatotoxicity-in-rats
#6
Vesna Jacevic, Aleksandar Djordjevic, Branislava Srdjenovic, Vukosava Milic-Tores, Zoran Segrt, Viktorija Dragojevic-Simic, Kamil Kuca
Doxorubicin (DOX), commonly used antineoplastic agent, affects bone marrow, intestinal tract and heart, but it also has some hepatotoxic effects. Main mechanism of its toxicity is the production of free reactive oxygen species. Polyhidroxilated C60 fullerene derivatives, fullerenol nanoparticles (FNP), act as free radical scavengers in in vitro systems. The aim of the study was to investigate potential FNP protective role against DOX-induced hepatotoxicity in rats. Experiments were performed on adult male Wistar rats...
March 16, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28315160/modulatory-role-of-l-carnitine-against-microcystin-lr-induced-immunotoxicity-and-oxidative-stress-in-common-carp
#7
Xiu-Mei Chen, Gui-Liang Guo, Li Sun, Qiu-Shi Yang, Gui-Qin Wang, Dong-Ming Zhang
Microcystin-LR (MCLR), one of the most popular microcystins (MCs) found in many field water bodies around the world, poses great health risks to animals and humans. In the present study, healthy common carp (initial weight 24.8 ± 2.3 g) were randomly assigned to five groups. Group I was fed on normal diet as control. Group II was maintained on normal diet and received MCLR intraperitoneal injection (150 μg kg(-1) BW). Common carp in groups III, IV, and V were daily pretreated with L-carnitine (LC) at doses of 0...
March 17, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28302419/intravenous-15-isoflurane-lipid-nanoemulsion-for-general-anesthesia-in-dogs
#8
Claudio C Natalini, Carolina L Krahn, Priscila B S Serpa, Joanna E Griffith, Ricardo Miyasaka de Almeida
OBJECTIVE: To investigate the efficacy of a new intravenous (IV) nanoemulsified isoflurane formulation for maintenance of general anesthesia in dogs. STUDY DESIGN: Prospective, crossover, experimental study. ANIMALS: Seven healthy, mature, mixed-breed dogs, three male and four female, weighing 11.5 ± 1.5 kg. METHODS: Anesthesia was induced with propofol for instrumentation. Measurements were obtained before administration of either inhaled isoflurane (Iso-I) or IV 15% isoflurane-loaded lipid nanoemulsion (Iso-nano)...
January 7, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28298292/cellular-cholesterol-homeostasis-in-alzheimer-s-disease
#9
Ta Yuan Chang, Yoshio Yamauchi, Mazahir Hasan, Catherine Cy Chang
Alzheimer's disease [AD] is the most common form of dementia in older adults. Currently, there is no cure for AD. The hallmark of AD is the accumulation of extracellular amyloid plaques composed of amyloid beta peptides [Abeta; especially Abeta1-42], and neurofibrillary tangles, composed of hyper-phosphorylated tau, accompanied with chronic neuroinflammation. Abeta are derived from the amyloid precursor protein APP. The oligomeric form of Abeta is probably the most neurotoxic species; its accumulation eventually forms the insoluble and aggregated amyloid plaques...
March 15, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28295512/fertility-enhancing-activity-and-toxicity-profile-of-aqueous-extract-of-chasmanthera-dependens-roots-in-male-rats
#10
A L Quadri, M T Yakubu
This study evaluated the fertility-enhancing activity and safety of aqueous extract of Chasmanthera dependens root (AECDR) in male rats. In the fertility study, twenty, sodium arsenite (10 mg/kg) body weight (BW)-treated male rats (171.02 ± 3.36 g), assigned into four groups (I-IV), received 1 ml of distilled water (DW), 25, 50 and 100 mg/kg BW of AECDR for 60 days, whereas the control received DW. After 7 days of pairing with female rats (153.67 ± 2.24 g), spermatogenic, fertility, testicular function indices and enzymatic antioxidant activities were evaluated...
March 15, 2017: Andrologia
https://www.readbyqxmd.com/read/28286316/a-simple-passive-equilibration-method-for-loading-carboplatin-into-pre-formed-liposomes-incubated-with-ethanol-as-a-temperature-dependent-permeability-enhancer
#11
Moe Wehbe, Armaan Malhotra, Malathi Anantha, Jeroen Roosendaal, Ada W Y Leung, David Plackett, Katarina Edwards, Roger Gilabert-Oriol, Marcel B Bally
A passive equilibration method which relies on addition of candidate drugs to pre-formed liposomes is described as an alternative method for preparing liposome encapsulated drugs. The method is simple, rapid and applicable to liposomes prepared with high (45mol%) or low (<20mol%) levels of cholesterol. Passive equilibration is performed in 4-steps: (i) formation of liposomes, (ii) addition of the candidate drug to the liposomes in combination with a permeability enhancing agent, (iii) incubation at a temperature that facilitates diffusion of the added compound across the lipid bilayer, and (iv) quenching the enhanced membrane permeability by reduction in temperature and/or removal of the permeabilization enhancer...
March 10, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28284907/minocycline-protects-rescues-and-prevents-knockdown-transgenic-parkin-drosophila-against-paraquat-iron-toxicity-implications-for-autosomic-recessive-juvenile-parkinsonism
#12
Hector Flavio Ortega-Arellano, Marlene Jimenez-Del-Rio, Carlos Velez-Pardo
Autosomal recessive Juvenile Parkinsonism (AR-JP) is a chronic, progressive neurodegenerative disorder caused by mutation in the PARKIN gene, and invariably associated with dopaminergic (DAergic) neuronal loss and brain iron accumulation. Since current medical therapy is symptomatic and lacks significant disease-modifying effects, other treatment approaches are urgently needed it. In the present work, we investigate the role of minocycline (MC) in paraquat (PQ)/iron-induced neurotoxicity in the Drosophila TH>parkin-RNAi/+ (w[*]; UAS-parkin-RNAi; TH-GAL4) fly and have shown the following: (i) MC increased life span and restored the locomotor activity of knockdown (KD) transgenic parkin flies in comparison with the control (vehicle) group; (ii) MC at low (0...
March 8, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28276242/cellular-uptake-mechanism-of-cationic-branched-polypeptides-with-poly-l-lys-backbone
#13
Rita Szabó, Mónika Sebestyén, György Kóczán, Ádám Orosz, Gábor Mező, Ferenc Hudecz
Cationic macromolecular carriers can be effective carriers for small molecular compounds, drugs, epitopes, or nucleic acids. Polylysine-based polymeric branched polypeptides have been systematically studied on the level of cells and organisms as well. In the present study, we report our findings on the cellular uptake characteristics of nine structurally related polylysine-based polypeptides with cationic side chains composed of (i) single amino acid (poly[Lys(Xi)], XiK) or (ii) oligo[dl-alanine] (poly[Lys(dl-Alam)], AK) or (iii) oligo[dl-alanine] with an additional amino acid (X) at the terminal position (poly[Lys(Xi-dl-Alam)] (XAK)) or (iv) at the position next to the polylysine backbone (poly[Lys(dl-Alam-Xi)] (AXK))...
March 9, 2017: ACS Combinatorial Science
https://www.readbyqxmd.com/read/28274740/lipid-nanocapsules-maintain-full-integrity-after-crossing-a-human-intestinal-epithelium-model
#14
Emilie Roger, Jean-Christophe Gimel, Conor Bensley, Andrey S Klymchenko, Jean-Pierre Benoit
Lipid nanocapsules (LNCs) have demonstrated great potential for the oral delivery of drugs having very limited oral bioavailability (BCS class II, III and IV molecules). It has been shown previously that orally-administered LNCs can permeate through mucus, increase drug absorption by the epithelial tissue, and finally, increase drug bioavailability. However, even if transport mechanisms through mucus and the intestinal barrier have already been clarified, the preservation of particle integrity is still not known...
March 6, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28273564/hepatotoxicity-and-proteomic-mechanism-of-di-n-butyl-di-4-chlorobenzohydroxamato-tin-iv-dbdct-in-vivo
#15
Li Tang, Jie-Ran Luo, Yun-Lan Li, Rui Ge, Qing-Shan Li
Di-n-butyl-di-(4-chlorobenzohydroxamato)tin(IV) (DBDCT) is an anti-tumour organotin(IV) compound with hepatotoxicity. To investigate the hepatotoxicity and mechanisms of DBDCT in vivo, proteomic technology 2D gel combined with MALDI-TOF-MS was used in our research. Results indicated that DBDCT increased AST, AKP and ACP activities and decreased ALT activity. Further, sporadic eosinophilic changes and nuclear pyknosis were visible in hepatic pathological observation. Proteomic analysis showed that twenty-two proteins involved in amino acid, nucleic acid, carbohydrate and lipid metabolism, stress response, multicellular organism development and cell apoptosis were differentially expressed and identified...
February 24, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28267037/intravenous-lipid-emulsions-in-pediatric-patients-with-intestinal-failure
#16
Olivier Goulet, Cécile Lambe
The incidence of cholestatic liver disease (CLD) in pediatric patients suffering intestinal failure (IF) is not well established. Due to persistent portal inflammation, about 20% of these patients will progress to end-stage intestinal failure associated liver disease (IFALD) leading to liver transplant or death. PURPOSE OF REVIEW: Premature babies as well as infants with short bowel syndrome (SBS) and repeated sepsis (catheter or small intestinal bacterial overgrowth related) are at risk of developing CLD...
April 2017: Current Opinion in Organ Transplantation
https://www.readbyqxmd.com/read/28261635/association-of-serum-lipids-and-coronary-artery-disease-with-polymorphisms-in-the-apolipoprotein-ai-ciii-aiv-gene-cluster
#17
Himanshu Rai, Nakul Sinha, James Finn, Suraksha Agrawal, Sarabjit Mastana
Genetic variants are considered as one of the main determinants of the concentration of serum lipids and coronary artery disease (CAD). Polymorphisms in the Apolipoprotein (Apo) AI-CIII-AIV gene cluster has been known to affect the concentrations of various lipid sub-fractions and the risk of CAD. The present study assessed associations between polymorphisms of the Apo AI-CIII-AIV gene cluster, [ApoA-I,-75G > A, (rs1799837); ApoC-III 3238C > G, (SstI), (rs5128) and ApoA-IV, Thr347Ser(347A > T), (rs675)] with serum lipids and their contributions to CAD in North Indian population...
December 31, 2016: Cogent Med
https://www.readbyqxmd.com/read/28246413/dexmedetomidine-to-control-signs-associated-with-lisdexamfetamine-dimesylate-toxidrome-in-a-cat
#18
Christopher L Norkus, Iain Keir, Charlotte Means
A 5-month-old intact female domestic shorthaired cat had mydriasis, agitation, and increased locomotion after ingestion of lisdexamfetamine, 10.3 mg/kg body weight (BW). Despite treatment with IV fluids, IV acepromazine, oral cyproheptadine and intravenous lipid emulsion the patient's clinical signs worsened. Dexmedetomidine administered at 2 μg/kg BW and continued at 0.5 μg/kg BW per hour rapidly controlled the patient's signs. An episode of vomiting and hematuria developed. Follow-up 5 days after discharge revealed that the cat appeared normal...
March 2017: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
https://www.readbyqxmd.com/read/28246167/human-leucine-zipper-protein-promotes-hepatic-steatosis-via-induction-of-apolipoprotein-a-iv
#19
Minsoo Kang, Jeonghan Kim, Hyoung-Tae An, Jesang Ko
The molecular mechanism of stress-induced hepatic steatosis is not well known. Human leucine zipper protein (LZIP) regulates the expression of genes involved in inflammation, cell migration, and stress response. The aim of this study was to determine the regulatory role of LZIP in stress-induced hepatic steatosis. We used a microarray analysis to identify LZIP-induced genes involved in hepatic lipid metabolism. LZIP increased the expression of apolipoprotein A-IV (APOA4) mRNA. In the presence of stress inducer, APOA4 promoter analysis was performed and LZIP-induced lipid accumulation was monitored in mouse primary cells and human tissues...
February 28, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28245885/olive-oil-bioactive-compounds-increase-body-weight-and-improve-gut-health-and-integrity-in-gilthead-sea-bream-sparus-aurata
#20
Enric Gisbert, Karl B Andree, José C Quintela, Josep A Calduch-Giner, Ignacio R Ipharraguerre, Jaume Pérez-Sánchez
An olive oil bioactive extract (OBE) rich in bioactive compounds like polyphenols, triterpenic acids, long-chain fatty alcohols, unsaturated hydrocarbons, tocopherols and sterols was tested (0, 0·08, 0·17, 0·42 and 0·73 % OBE) in diets fed to sea bream (Sparus aurata) (initial weight: 5·4 (sd 1·2) g) during a 90-d trial (four replicates). Fish fed diets containing 0·17 and 0·42 % OBE were 5 % heavier (61·1 (sd 1·6) and 60·3 (sd 1·1) g, respectively) than those of the control group (57·0 (sd 0·7) g), although feed conversion ratio and specific feed intake did not vary...
March 1, 2017: British Journal of Nutrition
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