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Lipid infusion

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https://www.readbyqxmd.com/read/28523230/targeting-resolution-of-neuroinflammation-after-ischemic-stroke-with-a-lipoxin-a4-analog-protective-mechanisms-and-long-term-effects-on-neurological-recovery
#1
Kimberly E Hawkins, Kelly M DeMars, Jon C Alexander, Lauren G de Leon, Sean C Pacheco, Christina Graves, Changjun Yang, Austin O McCrea, Jan C Frankowski, Timothy J Garrett, Marcelo Febo, Eduardo Candelario-Jalil
BACKGROUND: Resolution of inflammation is an emerging new strategy to reduce damage following ischemic stroke. Lipoxin A4 (LXA 4) is an anti-inflammatory, pro-resolution lipid mediator that reduces neuroinflammation in stroke. Since LXA 4 is rapidly inactivated, potent analogs have been synthesized, including BML-111. We hypothesized that post-ischemic, intravenous treatment with BML-111 for 1 week would provide neuroprotection and reduce neurobehavioral deficits at 4 weeks after ischemic stroke in rats...
May 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28505047/advances-in-the-management-of-dyslipidemia
#2
June Kampangkaew, Stephen Pickett, Vijay Nambi
PURPOSE OF REVIEW: Cardiovascular disease is the leading cause of morbidity and mortality in the United States and therapies aimed at lipid modification are important for the reduction of cardiovascular risk. There have been many exciting advances in lipid management over the recent years. This review discusses these recent advances as well as the direction of future studies. RECENT FINDINGS: Several recent clinical trials support low-density lipoprotein cholesterol (LDL-c) reduction beyond maximal statin therapy for improved cardiovascular outcomes...
May 12, 2017: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/28503817/influence-of-feeding-a-fish-oil-containing-diet-to-mature-overweight-dogs-effects-on-lipid-metabolites-postprandial-glycaemia-and-body-weight
#3
M R C de Godoy, K R McLeod, D L Harmon
The objective of this study was to determine the effect of feeding a fish oil (FO)-containing diet on lipid and protein metabolism, postprandial glycaemia and body weight (BW) of mature, overweight dogs. Seven female dogs were randomly assigned to one of two isonitrogenous and isocaloric diets, control (CO) or FO (FO), in a crossover design. Experimental periods were 69 day, separated by a washout period of 30 day. At the beginning of the experiment, and at 30 and 60 day of feeding the experimental diets, the dogs were infused with D-glucose (2 g/kg BW) through an intravenous catheter...
May 15, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28502090/successful-use-of-lipid-emulsion-to-resuscitate-a-foal-after-intravenous-lidocaine-induced-cardiovascular-collapse
#4
V Vieitez, I Á Gómez de Segura, M Martin-Cuervo, L Alfonso Gracia, L Javier Ezquerra
BACKGROUND: Lipid emulsion has been reported to be effective for the treatment of local anaesthetic overdoses in rats, dogs and humans. OBJECTIVES: To describe the successful treatment of cardiovascular lidocaine toxicity in a foal with intravenous lipid administration. STUDY DESIGN: Observational study: case report. METHODS: An 8-month-old Arabian cross foal was anaesthetised for removal of the right alar fold and nasal plate...
May 14, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28501397/effect-of-conjugated-linoleic-acid-and-acetate-on-milk-fat-synthesis-and-adipose-lipogenesis-in-lactating-dairy-cows
#5
N Urrutia, K J Harvatine
During biohydrogenation-induced milk fat depression (MFD), nutrients are spared from milk fat synthesis and are available for other metabolic uses. Acetate is the major carbon source spared and it may increase lipid synthesis in adipose tissue during MFD. The objective of this study was to compare the effect of trans-10, cis-12 conjugated linoleic acid (CLA) and the amount of acetate spared during CLA-induced MFD on adipose tissue lipogenesis. Nine multiparous, lactating, ruminally cannulated Holstein cows (244 ± 107 d in milk; 25 ± 8...
May 10, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28489457/adverse-events-associated-with-a-large-dose-of-intravenous-lipid-emulsion-for-suspected-local-anesthetic-toxicity
#6
Daniel J Corwin, Alexis Topjian, Brenda L Banwell, Kevin Osterhoudt
BACKGROUND: Intravenous lipid emulsion (ILE) has gained favor as a rescue treatment for cardiovascular collapse due to intravenous local anesthetic overdose, however, goals of ILE therapy are still being defined. We describe a case of a girl given 66 mL/kg of 20% lipid emulsion (ILE) in the treatment of presumed mepivacaine toxicity. CASE REPORT: An 11-year-old girl weighing 55.6 kg developed pallor, rolling back of the eyes, and rhythmic muscle twitching after receiving a mandibular nerve block injection with a 1...
July 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28484502/improved-lipid-profile-associated-with-daily-consumption-of-tri-sura-phon-in-healthy-overweight-volunteers-an-open-label-randomized-controlled-trial
#7
Sirigoon Kuamsub, Pariyaphat Singthong, Wipawee Chanthasri, Nicharee Chobngam, Warissara Sangkaew, Sasithorn Hemdecho, Thammarat Kaewmanee, Sasitorn Chusri
Tri-Sura-Phon (TSP), a traditional Thai polyherbal formula renowned for its rejuvenating properties, is commonly used as a blood tonic. It comprises Cinnamomum bejolghota, Cinnamomum parthenoxylon, and Aquilaria crassna. The aim of this study is to evaluate the beneficial properties of TSP tea consumption on blood glucose regulation and serum lipid profiles of healthy overweight volunteers. This open-label, randomized controlled trial was conducted in 70 healthy overweight adults. Two groups of 35 subjects took a TSP infusion or a placebo (cornstarch) twice daily for 8 weeks...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28476930/mitochondrial-targeted-catalase-protects-against-high-fat-diet-induced-muscle-insulin-resistance-by-decreasing-intramuscular-lipid-accumulation
#8
Hui-Young Lee, Jae Sung Lee, Tiago Alves, Warren Ladiges, Peter S Rabinovitch, Michael J Jurczak, Cheol Soo Choi, Gerald I Shulman, Varman T Samuel
We explored the role of reactive oxygen species (ROS) in the pathogenesis of muscle insulin resistance by assessing insulin action in vivo with a hyperinsulinemic-euglycemic clamp in mice expressing a mitochondrially-targeted catalase (MCAT) that were fed regular chow (RC), a high-fat diet (HFD), or undergoing an acute infusion of a lipid emulsion. RC MCAT mice were similar to littermate wild-type (WT) mice. However, HFD MCAT mice were protected from diet-induced insulin resistance. In contrast, an acute lipid infusion caused muscle insulin resistance in both MCAT and WT mice...
May 5, 2017: Diabetes
https://www.readbyqxmd.com/read/28475354/role-of-glucagon-in-catabolism-and-muscle-wasting-of-critical-illness-and-modulation-by-nutrition
#9
Steven E Thiessen, Sarah Derde, Inge Derese, Thomas Dufour, Chloé Albert Vega, Lies Langouche, Chloë Goossens, Nele Peersman, Pieter Vermeersch, Sarah Vander Perre, Jens J Holst, Pieter J Wouters, Ilse Vanhorebeek, Greet Van den Berghe
RATIONALE: Critical illness is hallmarked by muscle wasting and disturbances in glucose, lipid and amino acid homeostasis. Circulating concentrations of glucagon, a catabolic hormone that affects these metabolic pathways, are elevated during critical illness. Insight in the nutritional regulation of glucagon and its metabolic role during critical illness is lacking. OBJECTIVES: We evaluated whether macronutrient infusion can suppress plasma glucagon during critical illness and studied the role of illness-induced glucagon abundance in the disturbed glucose, lipid and amino acid homeostasis and in muscle wasting during critical illness...
May 5, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28462452/saffron-crocus-sativus-l-tea-intake-prevents-learning-memory-defects-and-neurobiochemical-alterations-induced-by-aflatoxin-b1-exposure-in-adult-mice
#10
Zacharoula I Linardaki, Fotini N Lamari, Marigoula Margarity
This study aimed to investigate the potential neurotoxic effects of aflatoxin B1 (AFB1) and the preventive effects of saffron. Male Balb-c mice received AFB1 (0.6 mg/kg/day intraperitoneally for 4 days), saffron infusion (90 mg styles/200 mL, ad libitum access for 2 weeks) or saffron infusion plus AFB1 (saffron treatment as previously plus 0.6 mg AFB1/kg/day intraperitoneally for the last 4 days). Control mice were intraperitoneally injected with DMSO:saline (1:1, v/v) during AFB1 treatment. Learning/memory was assessed by passive avoidance task...
May 2, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28450549/effect-of-acute-physiological-free-fatty-acid-elevation-in-the-context-of-hyperinsulinemia-on-fiber-type-specific-imcl-accumulation
#11
Lisa S Chow, Douglas G Mashek, Qi Wang, Sam O Shepherd, Bret H Goodpaster, John J Dube
It is well described that increasing free fatty acids (FFAs) to high physiological levels reduces insulin sensitivity. In sedentary humans, intramyocellular lipid (IMCL) is inversely related to insulin sensitivity. Since muscle fiber composition affects muscle metabolism, whether FFAs induce IMCL accumulation in a fiber type specific manner remains unknown. We hypothesized that in the setting of acute FFA elevation by lipid infusion within the context of a hyperinsulinemic-euglycemic clamp, IMCL will preferentially accumulate in type 1 fibers...
April 27, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28445697/influence-of-maturation-on-in-vivo-tissue-to-plasma-partition-coefficients-for-cis-and-trans-permethrin
#12
Manoj Amaraneni, Jing Pang, James V Bruckner, Srinivasa Muralidhara, Tanzir B Mortuza, Darren Gullick, Shirin Hooshfar, Catherine A White, Brian S Cummings
Permethrin, the most widely used household insecticide in the U.S., is marketed as a mixture of its cis (CIS) and trans (TRANS) isomers. The major objective of this investigation was to develop and utilize a reliable approach to determine in vivo partition coefficients (PCs) for CIS and TRANS in immature and adult Sprague-Dawley rats. Adult, postnatal day (PND) 21 and PND 15 rats were infused with environmentally relevant concentrations of CIS or TRANS via a s.c. osmotic pump for 48 or 72 h. The adult and PND 21 rats also received an oral loading dose...
April 23, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28440284/cyp2j2-and-its-metabolites-eets-attenuate-insulin-resistance-via-regulating-macrophage-polarization-in-adipose-tissue
#13
Meiyan Dai, Lujin Wu, Peihua Wang, Zheng Wen, Xizhen Xu, Dao Wen Wang
Macrophages in adipose tissue are associated with obesity-induced low-grade inflammation, which contributed to insulin resistance and the related metabolic diseases. Previous studies demonstrated the beneficial effects of epoxyeicosatrienoic acids (EETs) on metabolic disorders and inflammation. Here we investigated the effects of CYP2J2-EETs-sEH metabolic pathway on insulin resistance in mice and the potential mechanisms. High fat diet (HFD)-induced obesity caused metabolic dysfunction with more weight gain, elevated glucose and lipids levels, impaired glucose tolerance and insulin sensitivity, while increase in EETs level by rAAV-mediated CYP2J2 overexpression, administration of sEH inhibit TUPS or EETs infusion significantly attenuated these metabolic disorders...
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28434742/endocrine-and-metabolic-changes-in-transition-dairy-cows-are-affected-by-prepartum-infusions-of-a-serotonin-precursor
#14
Lorenzo E Hernández-Castellano, Laura L Hernandez, Helga Sauerwein, Rupert M Bruckmaier
Serotonin (5-HT) has been shown to be involved in calcium homeostasis, modulating calcium concentration in blood. In addition, 5-HT participates in a variety of metabolic pathways, mainly through the modulation of glucose and lipid metabolism. The hypothesis of the present study was that the prepartum administration of 5-hydroxy-l-tryptophan (5-HTP), a 5-HT precursor, would affect endocrine systems related to calcium homeostasis, and interact with other endocrine and metabolic pathways during the transition period...
April 20, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28434739/the-effect-of-conjugated-linoleic-acid-acetate-and-their-interaction-on-adipose-tissue-lipid-metabolism-in-nonlactating-cows
#15
N Urrutia, Y Ying, K J Harvatine
During biohydrogenation-induced milk fat depression, adipose tissue lipogenesis may be increased through nutrients spared from milk fat synthesis. However, the direct effect of trans-10, cis-12 conjugated linoleic acid (CLA) and the indirect effect of spared nutrients on adipose tissue lipogenesis during milk fat depression is not clear. The objective of this study was to determine the direct effect of CLA, spared acetate, and their interaction on adipose tissue lipogenesis using nonlactating dairy cows as an experimental model, which allows separation of the effect of CLA and nutrient sparing...
April 20, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28430962/ulk1-prevents-cardiac-dysfunction-in-obesity-through-autophagy-meditated-regulation-of-lipid-metabolism
#16
Minae An, Dong-Ryeol Ryu, Jang Won Park, Ji Ha Choi, Eun-Mi Park, Kyung Eun Lee, Minna Woo, Minsuk Kim
Aims: Autophagy is essential to maintain tissue homeostasis, particularly in long-lived cells such as cardiomyocytes. Whereas many studies support the importance of autophagy in the mechanisms underlying obesity-related cardiac dysfunction, the role of autophagy in cardiac lipid metabolism remains unclear. In the heart, lipotoxicity is exacerbated by cardiac lipoprotein lipase (LPL), which mediates accumulation of fatty acids to the heart through intravascular triglyceride (TG) hydrolysis...
April 17, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28429653/clinical-development-of-fenretinide-as-an-antineoplastic-drug-pharmacology-perspectives
#17
Jason P Cooper, C Patrick Reynolds, Hwangeui Cho, Min H Kang
Fenretinide (4-HPR) is a synthetic retinoid that has cytotoxic activity against cancer cells. Despite substantial in vitro cytotoxicity, response rates in early clinical trials with 4-HPR have been less than anticipated, likely due to the low bioavailability of the initial oral capsule formulation. Several clinical studies have shown that the oral capsule formulation at maximum tolerated dose (MTD) achieved <10 µmol/L concentrations in patients. To improve bioavailability of 4-HPR, new oral powder (LYM-X-SORB®, LXS) and intravenous lipid emulsion (ILE) formulations are being tested in early-phase clinical trials...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28426869/expression-profiling-of-nonpolar-lipids-in-meibum-from-patients-with-dry-eye-a-pilot-study
#18
Jianzhong Chen, Jeremy K Keirsey, Kari B Green, Kelly K Nichols
Purpose: The purpose of this investigation was to characterize differentially expressed lipids in meibum samples from patients with dry eye disease (DED) in order to better understand the underlying pathologic mechanisms. Methods: Meibum samples were collected from postmenopausal women with DED (PW-DED; n = 5) and a control group of postmenopausal women without DED (n = 4). Lipid profiles were analyzed by direct infusion full-scan electrospray ionization mass spectrometry (ESI-MS)...
April 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28421113/chronic-hyperinsulinaemic-hypoglycaemia-in-rats-is-accompanied-by-increased-body-weight-hyperleptinaemia-and-decreased-neuronal-glucose-transporter-levels-in-the-brain
#19
Vivi F H Jensen, Anne-Marie Mølck, Melissa Chapman, Lene Alifrangis, Lene Andersen, Jens Lykkesfeldt, Ingrid B Bøgh
The brain is vulnerable to hypoglycaemia due to a continuous need of energy substrates to meet its high metabolic demands. Studies have shown that severe acute insulin-induced hypoglycaemia results in oxidative stress in the rat brain, when neuroglycopenia cannot be evaded despite increased levels of cerebral glucose transporters. Compensatory measures in the brain during chronic insulin-induced hypoglycaemia are less well understood. The present study investigated how the brain of nondiabetic rats copes with chronic insulin-induced hypoglycaemia for up to eight weeks...
2017: International Journal of Endocrinology
https://www.readbyqxmd.com/read/28419244/resolvin-d1-and-d2-reverse-lipopolysaccharide-induced-depression-like-behaviors-through-the-mtorc1-signaling-pathway
#20
Satoshi Deyama, Yuka Ishikawa, Kotomi Yoshikawa, Kento Shimoda, Soichiro Ide, Masamichi Satoh, Masabumi Minami
Background: Resolvin D1 (RvD1) and D2 (RvD2) are bioactive lipid mediators that are generated from docosahexaenoic acid (DHA). Although recent preclinical studies suggest that these compounds have antidepressant effects, their mechanisms of action remain unclear. Methods: We investigated mechanisms underlying the antidepressant effects of RvD1 and RvD2 in lipopolysaccharide (LPS; 0.8 mg/kg, i.p.)-induced depression model mice using a tail suspension test. Results: Intracerebroventricular (i...
April 13, 2017: International Journal of Neuropsychopharmacology
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