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https://www.readbyqxmd.com/read/27884341/propofol-inhibits-t-helper-cell-type-2-differentiation-by-inducing-apoptosis-via-activating-gamma-aminobutyric-acid-receptor
#1
Jingxia Meng, Xin Xin, Zhen Liu, Hao Li, Bo Huang, Yuguang Huang, Jing Zhao
BACKGROUND: Propofol has been shown to attenuate airway hyperresponsiveness in asthma patients. Our previous study showed that it may alleviate lung inflammation in a mouse model of asthma. Given the critical role of T-helper cell type-2 (Th2) differentiation in asthma pathology and the immunomodulatory role of the gamma-aminobutyric acid type A (GABAA) receptor, we hypothesized that propofol could alleviate asthma inflammation by inhibiting Th2 cell differentiation via the GABA receptor...
December 2016: Journal of Surgical Research
https://www.readbyqxmd.com/read/27878878/efficacy-and-safety-of-amphotericin-b-lipid-based-formulations-a-systematic-review-and-meta-analysis
#2
Laiza M Steimbach, Fernanda S Tonin, Suzane Virtuoso, Helena H L Borba, Andréia C C Sanches, Astrid Wiens, Fernando Fernandez-Llimós, Roberto Pontarolo
Invasive fungal infections, an important cause of mortality, are primarily treated using amphotericin B, which is available in different formulations, both conventional and lipid-based (liposomal, lipid complex, colloidal dispersion and Intralipid(®) infusion). The aim of our study was to determine the efficacy and safety of conventional amphotericin B vs its lipid-based formulations. A systematic review followed by pairwise meta-analysis was performed, including randomised controlled trials (RCTs) that evaluated the use of lipid-based amphotericin B in patients with any degree of immunosuppression and susceptibility to invasive fungal infection...
November 22, 2016: Mycoses
https://www.readbyqxmd.com/read/27847332/intralipid-protects-the-heart-in-late-pregnancy-against-ischemia-reperfusion-injury-via-caveolin2-stat3-gsk-3%C3%AE-pathway
#3
Jingyuan Li, Gregoire Ruffenach, Georgios Kararigas, Christine M Cunningham, Negar Motayagheni, Neusha Barakai, Soban Umar, Vera Regitz-Zagrosek, Mansoureh Eghbali
BACKGROUND: We recently demonstrated that the heart of late pregnant (LP) rodents is more prone to ischemia/reperfusion (I/R) injury compared to non-pregnant rodents. Lipids, particularly polyunsaturated fatty acids, have received special attention in the field of cardiovascular research. Here, we explored whether Intralipid (ITLD) protects the heart against I/R injury in LP rodents and investigated the mechanisms underlying this protection. METHODS AND RESULTS: In-vivo female LP rat hearts or ex-vivo isolated Langendorff-perfused LP mouse hearts were subjected to ischemia followed by reperfusion with PBS or ITLD (one bolus of 5mg/kg of 20% in in-vivo and 1% in ex-vivo)...
November 12, 2016: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/27811952/lipid-stimulation-of-fatty-acid-sensors-in-the-human-duodenum-relationship-with-gastrointestinal-hormones-bmi-and-diet
#4
N Cvijanovic, N J Isaacs, C K Rayner, C Feinle-Bisset, R L Young, T J Little
BACKGROUND AND AIMS: The small intestinal free fatty acid (FFA) sensors, FFA receptor 1 (FFAR1), FFAR4, G-protein receptor 119 (GPR119) and cluster of differentiation-36 (CD36), mediate the fat-induced release of gastrointestinal (GI) hormones. We investigated whether expression of duodenal FFA sensors in humans was (i) altered by intraduodenal (ID) lipid infusion, (ii) disordered in overweight or obese individuals, (iii) related to lipid-induced GI hormone secretion or (iv) affected by habitual dietary patterns...
November 4, 2016: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/27810339/novel-immunotherapeutic-approaches-for-treatment-of-infertility
#5
REVIEW
Samaneh Abdolmohammadi-Vahid, Shahla Danaii, Kobra Hamdi, Farhad Jadidi-Niaragh, Majid Ahmadi, Mehdi Yousefi
One of the most important reasons of infertility and human reproductive failure is related to uncontrolled immunological response of maternal immune system to early embryo or fetus, that cause rejection of this semi-allograft. Therefore, a tolerance in the immune system is essential to modulate the reactions against the fetus to avoid rejection. The immune system imbalance during implantation or pregnancy may lead to implantation failure or miscarriage. So, use of immunosuppressive or immunomodulator agents can be helpful to prevent immunological attack...
October 31, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27733528/a-third-generation-lipid-emulsion-that-contains-n-3-long-chain-pufas-preserves-retinal-function-in-parenterally-fed-neonatal-piglets
#6
Justine M Turner, Yves Sauvé, Miyoung Suh, Paul W Wales, Pamela Wizzard, Susan Goruk, Catherine J Field
BACKGROUND: Preterm neonates and those with intestinal failure require prolonged parenteral nutrition (PN) during a critical time of early central nervous system maturation. Conventional lipid emulsions fed to preterm neonates lack n-3 (ω-3) long-chain polyunsaturated fatty acids (LC-PUFAs; >20 carbon chain in length). Recently, fish oil lipid emulsions have been developed that provide both n-6 (ω-6) and n-3 LC-PUFAs, precursors of very long-chain PUFAs (VLC-PUFAs; >24 carbon chain in length)...
October 12, 2016: Journal of Nutrition
https://www.readbyqxmd.com/read/27716639/depth-resolved-3d-visualization-of-coronary-microvasculature-with-optical-microangiography
#7
Wan Qin, Meredith A Roberts, Xiaoli Qi, Charles E Murry, Ying Zheng, Ruikang K Wang
In this study, we propose a novel implementation of optical coherence tomography-based angiography combined with ex vivo perfusion of fixed hearts to visualize coronary microvascular structure and function. The extracorporeal perfusion of Intralipid solution allows depth-resolved angiographic imaging, control of perfusion pressure, and high-resolution optical microangiography. The imaging technique offers new opportunities for microcirculation research in the heart, which has been challenging due to motion artifacts and the lack of independent control of pressure and flow...
November 7, 2016: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/27687357/regional-anesthesia-practice-in-china-a-survey
#8
Jeffrey Huang, Huan Gao
STUDY OBJECTIVE: Neuraxial anesthesia has been widely used in China. Recently, Chinese anesthesiologists have applied nerve stimulator and ultrasound guidance for peripheral nerve blocks. Nationwide surveys about regional anesthesia practices in China are lacking. We surveyed Chinese anesthesiologists about regional anesthesia techniques, preference, drug selections, complications, and treatments. DESIGN: A survey was sent to all anesthesiologist members by WeChat...
November 2016: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/27614789/intralipid-supplementation-in-women-with-recurrent-spontaneous-abortion-and-elevated-levels-of-natural-killer-cells
#9
Dina M R Dakhly, Yomna A Bayoumi, Mohamed Sharkawy, Sherine H Gad Allah, Mohamed A Hassan, Hisham M Gouda, Ahmed T Hashem, Dina L Hatem, Mona F Ahmed, Waleed El-Khayat
OBJECTIVE: To investigate the efficacy of intralipid supplementation in women with recurrent spontaneous abortion (RSA) and elevated natural killer cell activity undergoing in vitro fertilization/intracytoplasmic sperm injection. METHODS: Between February 10, 2013, and April 30, 2015, a double-blind randomized controlled study was conducted at a center in Egypt. Women with unexplained secondary infertility, RSA, and elevated levels of natural killer cells (>12%) were enrolled and randomly assigned to receive intralipid (2mL diluted at 20% in 250mL saline) or saline (250mL) infusion on the day of oocyte retrieval using random numbers and sealed envelopes...
December 2016: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/27608281/evidence-based-recommendations-on-the-use-of-intravenous-lipid-emulsion-therapy-in-poisoning
#10
Sophie Gosselin, Lotte C G Hoegberg, Robert S Hoffman, Andis Graudins, Christine M Stork, Simon H L Thomas, Samuel J Stellpflug, Bryan D Hayes, Michael Levine, Martin Morris, Andrea Nesbitt-Miller, Alexis F Turgeon, Benoit Bailey, Diane P Calello, Ryan Chuang, Theodore C Bania, Bruno Mégarbane, Ashish Bhalla, Valéry Lavergne
BACKGROUND: Although intravenous lipid emulsion (ILE) was first used to treat life-threatening local anesthetic (LA) toxicity, its use has expanded to include both non-local anesthetic (non-LA) poisoning and less severe manifestations of toxicity. A collaborative workgroup appraised the literature and provides evidence-based recommendations for the use of ILE in poisoning. METHODS: Following a systematic review of the literature, data were summarized in four publications: LA and non-LA poisoning efficacy, adverse effects, and analytical interferences...
September 8, 2016: Clinical Toxicology
https://www.readbyqxmd.com/read/27594672/illumination-profile-characterization-of-a-light-device-for-the-dosimetry-of-intra-pleural-photodynamic-therapy-for-mesothelioma
#11
Camille Munck, Serge Mordon, Nacim Betrouni
BACKGROUND: Complete and homogeneous illumination of the pleural cavity is essential to the success of photodynamic therapy (PDT) for mesothelioma, but remains a challenge. Knowing the repartition and propagation of light around the light applicator could be the first step towards optimizing dosimetry. Here we propose a characterization method of the illumination profile of a specific light device. METHODS: The light wand, made of a cylindrical diffuser located inside an endotracheal tube, was fixed in a tank filled with dilute 0...
September 1, 2016: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/27574948/adjunctive-use-of-low-dose-intralipid-associated-with-hemodynamic-improvement-in-combined-amlodipine-and-labetalol-overdose-refractory-to-standard-therapy
#12
Kirk L Cumpston, Ravindra Gopaul, Brandon Wills
No abstract text is available yet for this article.
August 17, 2016: American Journal of Therapeutics
https://www.readbyqxmd.com/read/27519084/measurement-of-complex-refractive-index-of-turbid-media-by-scanning-focused-refractive-index
#13
Teng-Qian Sun, Qing Ye, Shi-Ke Liu, Xiao-Wan Wang, Jin Wang, Zhi-Chao Deng, Jian-Chun Mei, Wen-Yuan Zhou, Chun-Ping Zhang, Jian-Guo Tian
We present the application of scanning focused refractive index microscopy in the complex refractive index measurement of turbid media. An extra standard scattering layer is placed in front of the detector to perform scattering transformation on the reflected light. The principle of the scattering transformation is elaborated theoretically. The influence of the sample scattering is deeply and effectively suppressed experimentally. As a proof of the feasibility and accuracy of the proposed method, we demonstrate experimental data of 20% and 30% Intralipid solutions that are commonly used as phantom media for light propagation studies...
August 15, 2016: Optics Letters
https://www.readbyqxmd.com/read/27511277/postoral-sugar-detection-rapidly-and-chemospecifically-modulates-taste-guided-behavior
#14
Lindsey A Schier, Alan Craig Spector
Several recent studies have shown that postoral sugar sensing rapidly stimulates ingestion. Here we explored the specificity with which early phase postoral sugar sensing influenced ingestive motivation. In Experiment 1, rats were trained to associate the consumption of 0.3M sucrose with injections of LiCl (3.0 mEq/kg IP, conditioned taste aversion) or given equivalent exposures to the stimuli, but in an unpaired fashion (UNPAIRED). Then, all rats were given two brief access tests to assess appetitive and consummatory responses to the taste properties of sucrose (0...
August 10, 2016: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/27508283/stimulated-raman-photoacoustic-spectroscopy-for-chemical-contrast-imaging-of-a-sample-deeply-buried-in-scattering-media
#15
Motohiro Banno, Ami Nagashima, Hiroharu Yui
The development of a stimulated Raman scattering photoacoustic (SRS-PA) spectrometer is presented. In the apparatus, a molecular vibrational mode is excited by the SRS process. The vibrational excitation energy is converted to heat by vibrational relaxation. The volumes around the excited molecules including the surrounding solvent molecules expand by heating, resulting in the generation of an ultrasonic wave. The ultrasonic wave can be used as a molecular-selective signal. Because the ultrasonic wave is scarcely scattered by media, SRS-PA is expected to be applied for obtaining molecular-selective signals from deeply buried samples...
October 21, 2016: Analyst
https://www.readbyqxmd.com/read/27495286/lipid-emulsion-formulation-of-parenteral-nutrition-affects-intestinal-microbiota-and-host-responses-in-neonatal-piglets
#16
Celeste M Lavallee, Jayden A R MacPherson, Mi Zhou, Yanhua Gao, Pamela R Wizzard, Paul W Wales, Justine M Turner, Benjamin P Willing
BACKGROUND: Total parenteral nutrition (TPN) is a cause of intestinal microbial dysbiosis and impaired gut barrier function. This may contribute to life-threatening parenteral nutrition-associated liver disease and sepsis in infants. We compared the effects of a lipid emulsion containing long-chain ω-3 polyunsaturated fatty acids (PUFAs; SMOFlipid) and a predominantly ω-6 PUFA emulsion (Intralipid) on microbial composition and host response at the mucosal surface. MATERIALS AND METHODS: Neonatal piglets were provided isocaloric, isonitrogenous TPN for 14 days versus sow-fed (SF) controls...
August 5, 2016: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/27481803/conventional-and-unconventional-lifesaving-therapies-in-an-adolescent-with-amlodipine-ingestion
#17
Karin E Reuter-Rice, Bradley M Peterson
Amlodipine, a dihydropyridine calcium channel blocker, is commonly prescribed for the treatment of hypertension. Ingestion of an overdose leads to severe hypotension; if the hypotension is not treated, death may be imminent. Conventional and unconventional interventions were used to treat an adolescent who ingested a life-threatening dose of amlodipine. Severe hypotension resistant to conventional treatment with intralipids and hyperinsulinemia-euglycemia therapy led to the use of plasmapheresis and a pneumatic antishock garment as lifesaving measures...
August 2016: Critical Care Nurse
https://www.readbyqxmd.com/read/27474222/multi-omic-profiles-of-hepatic-metabolism-in-tpn-fed-preterm-pigs-administered-new-generation-lipid-emulsions
#18
Gregory Guthrie, Madhulika Kulkarni, Hester Vlaardingerbroek, Barbara Stoll, Kenneth Ng, Camilia Martin, John Belmont, Darryl Hadsell, William Heird, Christopher B Newgard, Oluyinka Olutoye, Johannes van Goudoever, Charlotte Lauridsen, Xingxuan He, Edward H Schuchman, Douglas Burrin
We aimed to characterize the lipidomic, metabolomic, and transcriptomic profiles in preterm piglets administered enteral (ENT) formula or three parenteral lipid emulsions [parenteral nutrition (PN)], Intralipid (IL), Omegaven (OV), or SMOFlipid (SL), for 14 days. Piglets in all parenteral lipid groups showed differential organ growth versus ENT piglets; whole body growth rate was lowest in IL piglets, yet there were no differences in either energy expenditure or (13)C-palmitate oxidation. Plasma homeostatic model assessment of insulin resistance demonstrated insulin resistance in IL, but not OV or SL, compared with ENT...
September 2016: Journal of Lipid Research
https://www.readbyqxmd.com/read/27471469/mechanism-and-physiologic-significance-of-the-suppression-of-cholesterol-esterification-in-human-interstitial-fluid
#19
Norman E Miller, Waldemar L Olszewski, Irina P Miller, Mahmud N Nanjee
Cholesterol esterification in high density lipoproteins (HDLs) by lecithin:cholesterol acyltransferase (LCAT) promotes unesterified cholesterol (UC) transfer from red cell membranes to plasma in vitro. However, it does not explain the transfer of UC from most peripheral cells to interstitial fluid in vivo, as HDLs in afferent peripheral lymph are enriched in UC. Having already reported that the endogenous cholesterol esterification rate (ECER) in lymph is only 5% of that in plasma, we have now explored the underlying mechanism...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27463411/disruption-of-the-circadian-period-of-body-temperature-by-the-anesthetic-propofol
#20
Yvan Touitou, Benoit Mauvieux, Alain Reinberg, Garance Dispersyn
The circadian time structure of an organism can be desynchronized in a large number of instances, including the intake of specific drugs. We have previously found that propofol, which is a general anesthetic, induces a desynchronization of the circadian time structure in rats, with a 60-80 min significant phase advance of body temperature circadian rhythm. We thus deemed it worthwhile to examine whether this phase shift of body temperature was related to a modification of the circadian period Tau. Propofol was administered at three different Zeitgeber Times (ZTs): ZT6 (middle of the rest period), ZT10 (2 h prior to the beginning of activity period), ZT16 (4 h after the beginning of the activity period), with ZT0 being the beginning of the rest period (light onset) and ZT12 being the beginning of the activity period (light offset)...
2016: Chronobiology International
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