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https://www.readbyqxmd.com/read/28713383/the-toxicological-mechanisms-of-environmental-soot-black-carbon-and-carbon-black-focus-on-oxidative-stress-and-inflammatory-pathways
#1
REVIEW
Rituraj Niranjan, Ashwani Kumar Thakur
The environmental soot and carbon blacks (CBs) cause many diseases in humans, but their underlying mechanisms of toxicity are still poorly understood. Both are formed after the incomplete combustion of hydrocarbons but differ in their constituents and percent carbon contents. For the first time, "Sir Percival Pott" described soot as a carcinogen, which was subsequently confirmed by many others. The existing data suggest three main types of diseases due to soot and CB exposures: cancer, respiratory diseases, and cardiovascular dysfunctions...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28712316/disturbed-bovine-mitochondrial-lipid-metabolism-a-review
#2
J H van der Kolk, J J Gross, V Gerber, R M Bruckmaier
In mammals, excess energy is stored primarily as triglycerides, which are mobilized when energy demands arise and cannot be covered by feed intake. This review mainly focuses on the role of long chain fatty acids in disturbed energy metabolism of the bovine species. Long chain fatty acids regulate energy metabolism as ligands of peroxisome proliferator-activated receptors. β-Oxidation is the process by which fatty acid molecules are broken down in the mitochondria or peroxisomes to generate acetyl-CoA. Carnitine acts as a carrier of fatty acyl groups as long-chain acyl-CoA derivatives do not penetrate the mitochondrial inner membrane...
July 17, 2017: Veterinary Quarterly
https://www.readbyqxmd.com/read/28699499/effectiveness-of-argan-oil-on-knee-osteoarthritis-symptoms-a-randomized-controlled-clinical-trial
#3
Jamila Essouiri, Taoufik Harzy, Nadia Benaicha, Mourad Errasfa, Abourazzak Fatima Ezzahra
BACKGROUND: Knee osteoarthritis (KOA) is a common chronic degenerative disorder. It causes joints pain, walking difficulties and a decline of general physical function. Many pain drugs and treatment modalities can be prescribed for KOA. Among traditional medicine in Morocco, Argan oil has been used in the treatment of knee osteoarthritis to reduce pain and improve physical activity, though there have been no medical-based evidence for such treatment. Argan oil is known to have anti-oxidant and lipid modulatory properties due to its content of many substances, such as tocopherols, phytosterols, saturated and unsaturated fatty acids...
July 10, 2017: Current Rheumatology Reviews
https://www.readbyqxmd.com/read/28689308/triheptanoin-a-rescue-therapy-for-cardiogenic-shock-in-carnitine-acylcarnitine-translocase-deficiency
#4
Sidharth Mahapatra, Amitha Ananth, Nancy Baugh, Mihaela Damian, Gregory M Enns
Carnitine-acylcarnitine translocase (CACT) deficiency is a rare long-chain fatty acid oxidation disorder (LC-FAOD) with high mortality due to cardiomyopathy or lethal arrhythmia. Triheptanoin (UX007), an investigational drug composed of synthetic medium odd-chain triglycerides, is a novel therapy in development for LC-FAOD patients. However, cases of its safe and efficacious use to reverse severe heart failure in CACT deficiency are limited. Here, we present a detailed report of an infant with CACT deficiency admitted in metabolic crisis that progressed into severe cardiogenic shock who was successfully treated by triheptanoin...
July 9, 2017: JIMD Reports
https://www.readbyqxmd.com/read/28688166/triheptanoin-for-the-treatment-of-brain-energy-deficit-a-14-year-experience
#5
REVIEW
Fanny Mochel
Triheptanoin is an odd-chain triglyceride with anaplerotic properties-that is, replenishing the pool of metabolic intermediates in the Krebs cycle. Unlike even-chain fatty acids metabolized to acetyl-CoA only, triheptanoin can indeed provide both acetyl-CoA and propionyl-CoA, two key carbon sources for the Krebs cycle. Triheptanoin was initially used in patients with long-chain fatty acid oxidation disorders. The first demonstration of the possible benefit of triheptanoin for brain energy deficit came from a patient with pyruvate carboxylase deficiency, a severe metabolic disease that affects anaplerosis in the brain...
July 8, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/28687854/neuroprotective-effects-of-vitamin-d-alone-or-in-combination-with-lamotrigine-against-lithium-pilocarpine-model-of-status-epilepticus-in-rats
#6
Amal M Mahfoz, Ali F Abdel-Wahab, Mohamed A Afify, Naiyer Shahzad, Ibrahim A A Ibrahim, Naser A ElSawy, Ghazi A Bamagous, Saeed S Al Ghamdi
Status epilepticus (SE) is considered one of the major serious forms of epilepsy with high mortality rate. Since the currently available antiepileptic drugs have low efficacy and high adverse effects, new more efficient and safe therapies are critically needed. There is increasing evidence supporting dietary and alternative therapies for epilepsy, including the ketogenic diet, modified Atkins diet, and omega-3 fatty acids. Recent studies have shown significant prophylactic and therapeutic potential of vitamin D (vit-D) use in many neurological disorders...
July 7, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/28687706/bone-regulates-browning-and-energy-metabolism-through-mature-osteoblast-osteocyte-ppar%C3%AE-expression
#7
Julia Brun, Flavien Berthou, Mirko Trajkovski, Pierre Maechler, Michanlegelo Foti, Nicolas Bonnet
Peroxisome proliferator-activated receptor gamma (PPARγ) is a master regulator of energy metabolism. In bone it is known to regulate osteoblast differentiation and osteoclast activity. Whether PPARγ expression in bone cells, particularly osteocytes, regulates energy metabolism remains unknown. Here we show that mature osteoblast/osteocyte-specific ablation of PPARγ in mice (Ocy-PPARγ(-/-) ) alters body composition with age, namely less fat and more lean mass and enhances insulin sensitivity and energy expenditure compared to wildtype...
July 7, 2017: Diabetes
https://www.readbyqxmd.com/read/28685490/successful-pregnancy-in-a-young-woman-with-multiple-acyl-coa-dehydrogenase-deficiency
#8
Annalisa Creanza, Mariella Cotugno, Cristina Mazzaccara, Giulia Frisso, Giancarlo Parenti, Brunella Capaldo
Multiple acyl-CoA dehydrogenation deficiency (MADD) is an inborn disorder of fatty acid oxidation due to a defect in electron transfer to the respiratory chain. We describe the medical/nutritional management of a successful pregnancy in a 19-year-old woman with a known diagnosis of MADD. A high-carbohydrate, low-fat, six-meal diet supplemented with protein was prescribed to meet the nutritional needs during pregnancy. L-Carnitine supplementation was also progressively increased over the weeks. Serum acyl-carnitine profile revealed raised levels of chain-length C6-C14, which remained substantially unchanged during pregnancy...
July 7, 2017: JIMD Reports
https://www.readbyqxmd.com/read/28677803/grape-seed-procyanidin-b2-ameliorates-hepatic-lipid-metabolism-disorders-in-db-db-mice
#9
Mei Yin, Pei Zhang, Fei Yu, Zhen Zhang, Qian Cai, Weida Lu, Baoying Li, Weidong Qin, Mei Cheng, Hao Wang, Haiqing Gao
Diabetes is commonly associated with liver lipid metabolism disorders. AMP-activated protein kinase (AMPK) has a key role in regulating lipid metabolism. Grape seed procyanidin B2 (GSPB2), a natural polyphenol polymer, ameliorates mitochondrial dysfunction and inhibits oxidative stress or apoptosis via AMPK pathways. In the present study, the hypothesis that GSPB2 treatment may ameliorate liver lipid metabolic disorders by activating AMPK and downstream pathways was tested in diabetic mice. Db/m mice were used as controls, and diabetic db/db mice were randomly divided into 2 groups for treatment: Vehicle and GSPB2 (30 mg/kg/day for 10 weeks)...
June 30, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28676454/myostatin-deficiency-is-associated-with-lipidomic-abnormalities-in-skeletal-muscles
#10
Narjes Baati, Christine Feillet-Coudray, Gilles Fouret, Barbara Vernus, Bénédicte Goustard, Charles Coudray, Jérome Lecomte, Véronique Blanquet, Laetitia Magnol, Anne Bonnieu, Christelle Koechlin-Ramonatxo
Myostatin (Mstn) deficiency leads to skeletal muscle overgrowth and Mstn inhibition is considered as a promising treatment for muscle-wasting disorders. Mstn gene deletion in mice also causes metabolic changes with decreased mitochondria content, disturbance in mitochondrial respiratory function and increased muscle fatigability. However the impact of MSTN deficiency on these metabolic changes is not fully elucidated. Here, we hypothesized that lack of MSTN will alter skeletal muscle membrane lipid composition in relation with pronounced alterations in muscle function and metabolism...
July 1, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28671437/expanded-newborn-screening-information-and-resources-for-the-family-physician
#11
David Glenn Weismiller
Each year, 4 to 5 million newborns receive state-mandated screening. Although the Advisory Committee on Heritable Disorders in Newborns and Children has identified 34 core conditions that should be incorporated into screening programs, each state manages, funds, and maintains its own program. State programs encompass screening, as well as the diagnosis and coordination of care for newborns with positive findings. Testing for core disorders is fairly standardized, but more extensive screening varies widely by state, and the rigorous evaluation of new screening panels is ongoing...
June 1, 2017: American Family Physician
https://www.readbyqxmd.com/read/28665331/natural-docosahexaenoic-acid-in-the-triglyceride-form-attenuates-in-vitro-microglial-activation-and-ameliorates-autoimmune-encephalomyelitis-in-mice
#12
Pilar Mancera, Blanca Wappenhans, Begoña Cordobilla, Noemí Virgili, Marco Pugliese, Fèlix Rueda, Juan F Espinosa-Parrilla, Joan C Domingo
Many neurodegenerative diseases are associated, at least in part, to an inflammatory process in which microglia plays a major role. The effect of the triglyceride form of the omega-3 polyunsaturated fatty acid docosahexaenoic acid (TG-DHA) was assayed in vitro and in vivo to assess the protective and anti-inflammatory activity of this compound. In the in vitro study, BV-2 microglia cells were previously treated with TG-DHA and then activated with Lipopolysaccharide (LPS) and Interferon-gamma (IFN-γ). TG-DHA treatment protected BV-2 microglia cells from oxidative stress toxicity attenuating NO production and suppressing the induction of inflammatory cytokines...
June 30, 2017: Nutrients
https://www.readbyqxmd.com/read/28627652/eriodictyol-7%C3%A2-o%C3%A2-%C3%AE-%C3%A2-d-glucopyranoside-from-coreopsis%C3%A2-tinctoria-nutt-ameliorates-lipid-disorders-via-protecting-mitochondrial-function-and-suppressing-lipogenesis
#13
Yuyan Liang, Hai Niu, Limei Ma, Dan Du, Li Wen, Qing Xia, Wen Huang
Coreopsis tinctoria (snow chrysanthemum) has been reported to exert antihyperlipidemic effects. The present study aimed to identify the active compounds of Coreopsis tinctoria and to investigate the molecular mechanisms underlying its effects on lipid dysregulation by measuring lipid levels, reactive oxygen species, lipid peroxidation and fatty acid synthesis. The present results demonstrated that snow chrysanthemum aqueous extracts significantly reduced serum lipid levels and oxidative stress in vivo. The main compounds that were isolated were identified as flavanomarein (compound 1) and eriodictyol 7‑O‑β‑D glucopyranoside (compound 2)...
August 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28626141/dietary-starfish-oil-prevents-hepatic-steatosis-and-hyperlipidemia-in-c57bl-6n-mice-fed-high-fat-diet
#14
Fumiaki Beppu, Haoqi Li, Kazuaki Yoshinaga, Toshiharu Nagai, Akihiko Yoshinda, Atsushi Kubo, Jota Kanda, Naohiro Gotoh
Starfish oil (SO) is characterized by functional lipids, including n-3 polyunsaturated fatty acid (both in the form of triacylglycerol and in the form of phospholipid), and carotenoids, which may exert beneficial effects on metabolic disorders in obesity-associated diseases. In the present study, the effect of SO on dysregulation of lipid metabolism was examined using C57BL/6N mice treated with high-fat (HF) diet. Mice were fed HF, HF with 2% SO, or HF with 5% SO diet for 8 weeks. Weight gain, blood glucose, serum and hepatic lipid contents, and hepatic fatty acid composition were measured...
June 13, 2017: Journal of Oleo Science
https://www.readbyqxmd.com/read/28625483/silymarin-protects-against-renal-injury-through-normalization-of-lipid-metabolism-and-mitochondrial-biogenesis-in-high-fat-fed-mice
#15
Bin Feng, Ran Meng, Bin Huang, Yan Bi, Shanmei Shen, Dalong Zhu
Obesity is associated with an increased risk of chronic kidney diseases and the conventional treatment with renin-angiotensin-aldosterone system (RAAS) inhibitors is not enough to prevent renal injury and prolong the progression of disease. Recently, silymarin has shown protective effects on renal tissue injury, but the underlying mechanisms remain elusive. The goal of this study was to investigate the potential capacity of silymarin to prevent renal injury during obesity induced by high fat diet (HFD) in mice...
June 15, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28601616/fructose-rich-diet-and-insulin-action-in-female-rat-heart-estradiol-friend-or-foe
#16
REVIEW
Maja Bundalo, Snjezana Romic, Snezana Tepavcevic, Mojca Stojiljkovic, Aleksandra Stankovic, Maja Zivkovic, Goran Koricanac
Increased intake of fructose in humans and laboratory animals is demonstrated to be a risk factor for development of metabolic disorders (insulin resistance, metabolic syndrome, type 2 diabetes) and cardiovascular diseases. On the other hand, estradiol is emphasized as a cardioprotective agent. The main goal of this review is to summarize recent findings on damaging cardiac effects of fructose-rich diet in females, mostly experimental animals, and to evaluate protective capacity of estradiol. Published results of our and other research groups indicate mostly detrimental effects of fructose-rich diet on cardiac insulin signaling molecules, glucose and fatty acid metabolism, nitric oxide production and ion transport, as well as renin-angiotensin system and inflammation...
June 7, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28588048/the-sphingosine-1-phosphate-break-down-product-2e-hexadecenal-forms-protein-adducts-and-glutathione-conjugates-in-vitro
#17
Fabian Schumacher, Corinna Neuber, Hannah Finke, Kai Nieschalke, Jessica Baesler, Erich Gulbins, Burkhard Kleuser
Sphingosine 1-phosphate (S1P), a bioactive lipid involved in various physiological processes such as cell proliferation and apoptosis, can be irreversibly cleaved by the S1P lyase, yielding phosphoethanolamine and (2E)-hexadecenal (2EHD). The latter metabolite, an α,β-unsaturated fatty aldehyde, may be susceptible to nucleophilic attack by cellular biomolecules. Hence, we studied whether 2EHD forms reaction products with glutathione (GSH) and proteins in vitro Using liquid chromatography-tandem mass spectrometry (LC-MS/MS) and stable isotopically labeled reference material, we identified a total of nine novel reaction products of 2EHD in a cell-free approach: two GSH conjugates and seven L-amino acid adducts...
June 6, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28587303/the-role-of-lipid-and-lipoprotein-metabolism-in-non-alcoholic-fatty-liver-disease
#18
REVIEW
Francesco Massimo Perla, Maurizia Prelati, Michela Lavorato, Daniele Visicchio, Caterina Anania
Due to the epidemic of obesity across the world, nonalcoholic fatty liver disease (NAFLD) has become one of the most prevalent chronic liver disorders in children and adolescents. NAFLD comprises a spectrum of fat-associated liver conditions that can result in end-stage liver disease and the need for liver transplantation. Simple steatosis, or fatty liver, occurs early in NAFLD and may progress to nonalcoholic steatohepatitis, fibrosis and cirrhosis with increased risk of hepatocellular carcinoma. The mechanism of the liver injury in NAFLD is currently thought to be a "multiple-hit process" where the first "hit" is an increase in liver fat, followed by multiple additional factors that trigger the inflammatory activity...
June 6, 2017: Children
https://www.readbyqxmd.com/read/28587101/therapeutic-applications-of-rose-hips-from-different-rosa-species
#19
REVIEW
Inés Mármol, Cristina Sánchez-de-Diego, Nerea Jiménez-Moreno, Carmen Ancín-Azpilicueta, María Jesús Rodríguez-Yoldi
Rosa species, rose hips, are widespread wild plants that have been traditionally used as medicinal compounds for the treatment of a wide variety of diseases. The therapeutic potential of these plants is based on its antioxidant effects caused by or associated with its phytochemical composition, which includes ascorbic acid, phenolic compounds and healthy fatty acids among others. Over the last few years, medicinal interest in rose hips has increased as a consequence of recent research that has studied its potential application as a treatment for several diseases including skin disorders, hepatotoxicity, renal disturbances, diarrhoea, inflammatory disorders, arthritis, diabetes, hyperlipidaemia, obesity and cancer...
May 25, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28579762/prepartal-energy-intake-alters-blood-polymorphonuclear-leukocyte-transcriptome-during-the-peripartal-period-in-holstein-cows
#20
A Agrawal, M J Khan, D E Graugnard, M Vailati-Riboni, S L Rodriguez-Zas, J S Osorio, J J Loor
In the dairy industry, cow health and farmer profits depend on the balance between diet (ie, nutrient composition, daily intake) and metabolism. This is especially true during the transition period, where dramatic physiological changes foster vulnerability to immunosuppression, negative energy balance, and clinical and subclinical disorders. Using an Agilent microarray platform, this study examined changes in the transcriptome of bovine polymorphonuclear leukocytes (PMNLs) due to prepartal dietary intake. Holstein cows were fed a high-straw, control-energy diet (CON; NEL = 1...
2017: Bioinformatics and Biology Insights
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