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https://www.readbyqxmd.com/read/29665470/application-of-supercritical-fluid-chromatography-coupled-to-mass-spectrometry-to-the-determination-of-fat-soluble-vitamins-in-selected-food-products
#1
Jean-Marie Oberson, Esther Campos-Giménez, Johann Rivière, Frédéric Martin
In the present manuscript, we describe a fully optimized and validated method suitable to analyse nine compounds (retinyl acetate, retinyl palmitate, retinol, α-tocopherol, α-tocopheryl acetate, cholecalciferol, ergocalciferol, phylloquinone, menaquinone-4) representing the major contributors to the fat-soluble vitamin activity of selected food products (infant formulas, adult nutritionals, infant cereals and mixed meals). Sample preparation involves direct solvent extraction using enzyme-assisted matrix disintegration and methanolic protein precipitation...
April 10, 2018: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29662787/steroid-associated-osteonecrosis-animal-model-in-rats
#2
Li-Zhen Zheng, Jia-Li Wang, Ling Kong, Le Huang, Li Tian, Qian-Qian Pang, Xin-Luan Wang, Ling Qin
Objective: Established preclinical disease models are essential for not only studying aetiology and/or pathophysiology of the relevant diseases but more importantly also for testing prevention and/or treatment concept(s). The present study proposed and established a detailed induction and assessment protocol for a unique and cost-effective preclinical steroid-associated osteonecrosis (SAON) in rats with pulsed injections of lipopolysaccharide (LPS) and methylprednisolone (MPS). Methods: Sixteen 24-week-old male Sprague-Dawley rats were used to induce SAON by one intravenous injection of LPS (0...
April 2018: Journal of Orthopaedic Translation
https://www.readbyqxmd.com/read/29660453/tgf-%C3%AE-1-down-regulation-in-the-mediobasal-hypothalamus-attenuates-hypothalamic-inflammation-and-protects-against-diet-induced-obesity
#3
Natália F Mendes, Joana M Gaspar, José C Lima-Júnior, Jose Donato, Lício A Velloso, Eliana P Araújo
BACKGROUND: The consumption of large amounts of dietary fats induces hypothalamic inflammation and impairs the function of the melanocortin system, leading to a defective regulation of caloric intake and whole-body energy expenditure. In mice fed a high-fat diet (HFD), TGF-β1 expression was increased and NF-κB signaling was activated in proopiomelanocortin neurons, which plays an important role in the obesity-associated hypothalamic inflammation scenario. However, whether excessive hypothalamic TGF-β1 impairs energy homeostasis remains unclear...
April 13, 2018: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29659865/effects-of-a-multi-element-trace-mineral-injection-and-vitamin-e-supplementation-on-performance-carcass-characteristics-and-color-stability-of-strip-steaks-from-feedlot-heifers
#4
B N Harsh, A C Dilger, D D Boler, D W Shike
The objective was to evaluate the interaction of a trace mineral (TM) injection (Multimin 90) and a supranutritional concentration of dietary vitamin E (VITE) on performance, carcass characteristics and color stability of strip steaks from feedlot heifers. Prior to trial initiation, Angus × Simmental cross heifers (N = 48) were managed on a common diet supplemented to meet NRC recommendations (NRC, 2000). Heifers were stratified by BW and allotted to a 2 x 2 factorial arrangement: 1) no supplemental vitamin E and saline injection (CONT+SAL), 2) 1000 IU vitamin E/heifer·d-1 and saline injection (VITE+SAL), 3) no supplemental vitamin E and TM injection (CONT+MM), or 4) vitamin E and TM injection (VITE+MM)...
April 5, 2018: Journal of Animal Science
https://www.readbyqxmd.com/read/29655655/hypothalamic-peroxisome-proliferator-activated-receptor-gamma-regulates-ghrelin-production-and-food-intake
#5
Qingjie Li, Quan Yu, Li Lin, Heng Zhang, Miao Peng, Chunxia Jing, Geyang Xu
Peroxisome proliferator-activated receptor-γ (PPARγ) regulates fatty acid storage, glucose metabolism, and food intake. Ghrelin, a gastric hormone, provides a hunger signal to the central nervous system to stimulate appetite. However, the effects of PPARγ on ghrelin production are still unclear. In the present study, the effects of PPARγ on ghrelin production were examined in lean- or high-fat diet-induced obese (DIO) C57BL/6J mice and mHypoE-42 cells, a hypothalamic cell line. 3rd intracerebroventricular injection of adenoviral-directed overexpression of PPARγ (Ad-PPARγ) reduced hypothalamic and plasma ghrelin, food intake in both lean C57BL/6J mice and diet-induced obese mice...
April 9, 2018: Neuropeptides
https://www.readbyqxmd.com/read/29652108/skeletal-muscle-specific-overexpression-of-heat-shock-protein-72-improves-skeletal-muscle-insulin-stimulated-glucose-uptake-but-does-not-alter-whole-body-metabolism
#6
Jps Marshall, E Estevez, H L Kammoun, E J King, C R Bruce, B G Drew, H Qian, P Illiades, P Gregorevic, M A Febbraio, D C Henstridge
AIMS: The induction of heat shock protein 72 (Hsp72) via heating, genetic manipulation or by pharmacological activation is metabolically protective in the setting of obesity-induced insulin resistance across mammalian species. In this study, we set out to determine whether the overexpression of Hsp72, specifically in skeletal muscle, can protect against high-fat diet (HFD)-induced obesity and insulin resistance. MATERIALS AND METHODS: An Adeno-Associated Viral vector (AAV) designed to overexpress Hsp72 in skeletal muscle only, was used to study the effects of increasing Hsp72 levels on various metabolic parameters...
April 13, 2018: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/29651395/fat-grafting-technique-a-paradigm-shift-in-the-treatment-of-tuberous-breast
#7
Claudiox Claudio Silva-Vergara, Joan Fontdevila, Omar Weshahy
BACKGROUND: The tuberous breast syndrome is a condition that affects young women and can bring on serious disorders of self-esteem. There are numerous surgical techniques to correct this condition, but most of them include the use of breast implants to replace lack of volume. Nowadays, patients are increasingly becoming more demanding to get a definitive solution with minimal aesthetic sequelae. METHODS: We present a series of 11 patients with tuberous breast deformities treated with lipofilling technique...
January 2018: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/29650942/-a-case-of-successful-management-of-postoperative-chylous-ascites-by-combination-therapy-with-octreotide-and-etilefrine
#8
Chikato Koga, Masahiro Murakami, Junzo Shimizu, Akinobu Yasuyama, Tae Matsumura, Akihiro Takata, Chizu Kameda, Ryohei Kawabata, Masaki Hirota, Shingo Noura, Junichi Hasegawa
We have report a case of an 81-year-old woman who underwent distal pancreatectomy for pancreatic body cancer. Chy- lous ascites with high triglyceride(TG)level, 201mg/dL, occurred on postoperative day 2. Continuous drainage and conservative management, such as low fat diet, fasting, total parental nutrition, and octreotide monotherapy, could not resolve the problem. Successful treatment was achieved using subcutaneous octreotide injection and intravenous etilefrine infusion without any adverse side-effect. These medications were able to cause smooth muscle contraction in the thoracic duct, and also to reduce chyle flow...
March 2018: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29644942/postnatal-undernutrition-in-mice-causes-cardiac-arrhythmogenesis-which-is-exacerbated-when-pharmacologically-stressed
#9
J R Visker, D P Ferguson
Growth restriction caused by postnatal undernutrition increases risk for cardiovascular disease in adulthood with the potential to induce arrhythmogenesis. Thus, the purpose was to determine if undernutrition during development produced arrhythmias at rest and when stressed with dobutamine in adulthood. Mouse dams were fed (CON: 20% protein), or low-protein (LP: 8%) diet before mating. A cross-fostering model was used where pups nursed by dams fed LP diet in early [EUN; postnatal day (PN) 1-10], late (LUN; PN11-21) and whole (PUN; 1-21) phases of postnatal life...
April 12, 2018: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/29644415/does-simultaneous-liposuction-adversely-affect-the-outcome-of-thread-lifts-a-preliminary-result
#10
Yong Woo Lee, Tae Hwan Park
BACKGROUND: Along with advances in thread lift techniques and materials, ancillary procedures such as fat grafting, liposuction, or filler injections have been performed simultaneously. Some surgeons think that these ancillary procedures might affect the aesthetic outcomes of thread lifting possibly due to inadvertent injury to threads or loosening of soft tissue via passing the cannula in the surgical plane of the thread lifts. The purpose of the current study is to determine the effect of such ancillary procedures on the outcome of thread lifts in the human and cadaveric setting...
April 11, 2018: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/29628974/the-effect-of-near-infrared-fluorescence-conjugation-on-the-anti-cancer-potential-of-cetuximab
#11
Ji Young Yun, Byung-Hwa Hyun, Sang Yoon Nam, Young Won Yun, Hu-Jang Lee, Beom-Jun Lee
This study investigated the anti-cancer potential of a near-infrared fluorescence (NIRF) molecule conjugated with Cetuximab (Cetuximab-NIRF) in six-week-old female BALB/c athymic (nu+/nu+) nude mice. A431 cells were cultured and injected into the animals to induce solid tumors. Paclitaxel (30 mg/kg body weight (BW)), Cetuximab (1 mg/kg BW), and Cetuximab-NIRF (0.25, 0.5 and 1.0 mg/kg BW) were intraperitoneally injected twice a week into the A431 cell xenografts of the nude mice. Changes in BW, tumor volume and weight, fat and lean mass, and diameter of the peri-tumoral blood vessel were determined after two weeks...
March 2018: Laboratory Animal Research
https://www.readbyqxmd.com/read/29626513/effects-of-exercise-training-on-adipose-tissue-apelin-expression-in-streptozotocin-nicotinamide-induced-diabetic-rats
#12
Fahimeh Kazemi, Saleh Zahediasl
Apelin is an adipocyte-derived peptide that plays an important role in regulation of energy homoeostasis and decrease of insulin resistance. We investigated the effects of exercise training on adipose tissue apelin expression in streptozotocin-nicotinamide induced diabetic rats. In this experimental study, 38 male Wistar rats were assigned to 4 groups: sedentary diabetic, trained diabetic, sedentary non-diabetic and trained non-diabetic. Type 2 diabetes mellitus (T2DM) was induced by intraperitoneal injection of streptozotocin and nicotinamide in adult rats...
April 4, 2018: Gene
https://www.readbyqxmd.com/read/29625129/a-negative-feedback-loop-between-microrna-378-and-nrf1-promotes-the-development-of-hepatosteatosis-in-mice-treated-with-a-high-fat-diet
#13
Tianpeng Zhang, Xiaoling Zhao, Clifford J Steer, Guiqin Yan, Guisheng Song
BACKGROUNDS: The incidence of nonalcoholic fatty liver disease (NAFLD) is rapidly increasing due to the prevalence of obesity. NAFLD is a major risk factor of hepatocellular carcinoma (HCC). Even with successful surgical removal, the presence of NAFLD is associated with an increased recurrence of HCC. Despite the extensive study of NAFLD, its underlying mechanism(s) remains essentially unknown and there are no FDA-approved drugs for its treatment. Alterations in microRNA (miR) expression have been observed in human fatty livers...
April 3, 2018: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29623545/glial-fatty-acid-binding-protein-7-fabp7-regulates-neuronal-leptin-sensitivity-in-the-hypothalamic-arcuate-nucleus
#14
Yuki Yasumoto, Hirofumi Miyazaki, Masaki Ogata, Yoshiteru Kagawa, Yui Yamamoto, Ariful Islam, Tetsuya Yamada, Hideki Katagiri, Yuji Owada
The hypothalamus is involved in the regulation of food intake and energy homeostasis. The arcuate nucleus (ARC) and median eminence (ME) are the primary hypothalamic sites that sense leptin and nutrients in the blood, thereby mediating food intake. Recently, studies demonstrating a role for non-neuronal cell types, including astrocytes and tanycytes, in these regulatory processes have begun to emerge. However, the molecular mechanisms involved in these activities remain largely unknown. In this study, we examined in detail the localization of fatty acid-binding protein 7 (FABP7) in the hypothalamic ARC and sought to determine its role in the hypothalamus...
April 6, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29608644/prefrontal-oxytocin-is-involved-in-impairments-in-prefrontal-plasticity-and-social-memory-following-acute-exposure-to-high-fat-diet-in-juvenile-animals
#15
Aseel Yaseen, Kuldeep Shrivastava, Zohar Zuri, Ossama A Hatoum, Mouna Maroun
Juvenility represents a critical developmental phase during which exposure to a high fat diet (HFD) can severely modify cognitive and emotional functioning. The purpose of this study was to address how short and acute exposure to a HFD during juvenility affects social memory recognition and prefrontal long-term potentiation (LTP). As LTP and social memory depend on the neuromodulator oxytocin (OXY) and due to its role in metabolism, we also examined the effects of OXY in mediating HFD-induced alterations in social memory and LTP...
March 28, 2018: Cerebral Cortex
https://www.readbyqxmd.com/read/29608475/percutaneous-autologous-fat-injection-following-2-layer-flap-lower-blepharoplasty-for-the-correction-of-tear-trough-deformity
#16
Jeenam Kim, Hyojeong Shin, Myungchul Lee, Donghyeok Shin, Soonheum Kim, Dongin Jo, Cheolkeun Kim, Heonjoon Kim, Hyungon Choi
Tear trough deformity has been an area that has received much attention in terms of esthetic improvements. Fat transposition has been commonly used for the treatment of tear trough deformity. As some patients have had minimal improvement by that method, we propose the use of fat grafting combined with open blepharoplasty to complement the sunken area, including some of anterior maxilla region, and evaluate and precisely remove the excessive tissue.Lower blepharoplasty was performed by separating the skin and muscle flap...
March 30, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29606893/first-in-man-intravenous-implantation-of-stromal-vascular-fraction-in-psoriasis-a-case-study
#17
Kristin Comella, Michelle Parlo, Rosemary Daly, Kellie Dominessy
Background: Stromal vascular fraction (SVF) is a mixture of adipose-derived stem cells/mesenchymal stem cells, endothelial/progenitors, pericytes, fibroblasts, and other cells obtained from fat tissue. A small sample of fat or adipose tissue can be obtained under local anesthesia using a cannula. After an enzymatic digestion and centrifugation, the adipocytes (fat cells) are removed to obtain an SVF. Here, we describe the rationale and, to our knowledge, the first clinical implementation of SVF intravenously in a patient with severe psoriasis...
2018: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/29599806/wentong-huoxue-cream-can-inhibit-the-reduction-of-the-pain-related-molecule-plc-%C3%AE-3-in-the-dorsal-root-ganglion-of-a-rat-model-of-diabetic-peripheral-neuropathy
#18
Chengcheng Feng, Lijuan Xu, Shiyun Guo, Qian Chen, Yuguo Shen, Deng Zang, Li Ma
WenTong HuoXue Cream (WTHX-Cream) has been shown to effectively alleviate clinical symptoms of diabetic peripheral neuropathy (DPN). This study investigated the gene and protein expression of the pain-related molecule PLC- β 3 in the dorsal root ganglion (DRG) of DPN rats. 88 specific pathogen-free male Wistar rats were randomly divided into placebo (10 rats) and DPN model (78 rats) groups, and the 78 model rats were used to establish the DPN model by intraperitoneal injection of streptozotocin and were then fed a high-fat diet for 8 weeks...
2018: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29596609/from-bedside-to-bench-the-effect-of-muscular-denervation-on-fat-grafting-to-the-breast-by-comparing-take-rate-quality-and-longevity
#19
Patricia E Engels, Elisabeth A Kappos, Patricia K Sieber, Robyn M Benz, Sarah Thommen, Dirk J Schaefer, Daniel F Kalbermatten
Background: Autologous fat grafting (AFG) to the breast is a frequent procedure in aesthetic and reconstructive surgery. Despite pure volume gain, questions remain regarding the engraftment rate, quality, and longevity. Little is known about the role of recipient tissue or innervation of the grafted area. Objectives: The goal of this study was to determine the optimal recipient layer and muscular the pretreatment of AFG. Methods: Fat was grafted to the breast, pectoralis muscle, or adjacent subcutaneous tissue of 42 rats...
March 27, 2018: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/29596574/efficacy-and-safety-of-autologous-fat-transfer-in-facial-reconstructive-surgery-a-systematic-review-and-meta-analysis
#20
Todor K Krastev, Jip Beugels, Juliette Hommes, Andrzej Piatkowski, Irene Mathijssen, Rene van der Hulst
Importance: The use of autologous fat transfer (AFT) or lipofilling for correcting contour deformities is seen as one of the major breakthroughs in reconstructive plastic surgery. Its applications in facial reconstructive surgery have been of particular interest owing to the prospect of achieving autologous reconstruction by a minimally invasive approach. However, its unpredictability and variable degree of resorption have limited its utility and much skepticism still exists regarding its efficacy...
March 29, 2018: JAMA Facial Plastic Surgery
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