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https://www.readbyqxmd.com/read/28088992/prevalence-of-hormonal-and-endocrine-dysfunction-in-patients-with-lichen-planopilaris-lpp-a-retrospective-data-analysis-of-168-patients
#1
Geraldine Cheyana Ranasinghe, Melissa P Piliang, Wilma F Bergfeld
BACKGROUND: Studies on the pathophysiology and comorbidities associated with lichen planopilaris (LPP) and frontal fibrosing alopecia (FFA) are limited. OBJECTIVE: The purpose of this study was to determine the prevalence of androgen excess in the postmenopausal LPP population, in relation to demographics and comorbidities. METHODS: A retrospective data analysis of 413 patients with LPP, FFA, and LPP/FFA seen in the Department of Dermatology at the Cleveland Clinic Foundation in Ohio between 2005 and 2015 was conducted...
February 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28081181/aronia-melanocarpa-extract-ameliorates-hepatic-lipid-metabolism-through-ppar%C3%AE-2-downregulation
#2
Chung-Hwa Park, Jung-Hee Kim, Eun Byul Lee, Wonhee Hur, Oh-Joo Kwon, Hyoung-Jin Park, Seung Kew Yoon
Nonalcoholic fatty liver disease (NAFLD) is a hepatic manifestation of metabolic syndrome. Studies have demonstrated that anthocyanin-rich foods may improve hyperlipidemia and ameliorate hepatic steatosis. Here, effects of Aronia melanocarpa (AM), known to be rich of anthocyanins, on hepatic lipid metabolism and adipogenic genes were determined. AM was treated to C57BL/6N mice fed with high fat diet (HFD) or to FL83B cells treated with free fatty acid (FFA). Changes in levels of lipids, enzymes and hormones were observed, and expressions of adipogenic genes involved in hepatic lipid metabolism were detected by PCR, Western blotting and luciferase assay...
2017: PloS One
https://www.readbyqxmd.com/read/28079163/steady-state-and-dynamic-network-modes-for-perceptual-expectation
#3
Uk-Su Choi, Yul-Wan Sung, Seiji Ogawa
Perceptual expectation can attenuate repetition suppression, the stimulus-induced neuronal response generated by repeated stimulation, suggesting that repetition suppression is a top-down modulatory phenomenon. However, it is still unclear which high-level brain areas are involved and how they interact with low-level brain areas. Further, the temporal range over which perceptual expectation can effectively attenuate repetition suppression effects remains unclear. To elucidate the details of this top-down modulatory process, we used two short and long inter-stimulus intervals for a perceptual expectation paradigm of paired stimulation...
January 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28072841/a-small-insulinomimetic-molecule-also-improves-insulin-sensitivity-in-diabetic-mice
#4
Sandip Mukherjee, Mrittika Chattopadhyay, Sushmita Bhattacharya, Suman Dasgupta, Sahid Hussain, Saitanya K Bharadwaj, Dhrubajyoti Talukdar, Abul Usmani, Bhola S Pradhan, Subeer S Majumdar, Pronobesh Chattopadhyay, Satinath Mukhopadhyay, Tushar K Maity, Mihir K Chaudhuri, Samir Bhattacharya
Dramatic increase of diabetes over the globe is in tandem with the increase in insulin requirement. This is because destruction and dysfunction of pancreatic β-cells are of common occurrence in both Type1 diabetes and Type2 diabetes, and insulin injection becomes a compulsion. Because of several problems associated with insulin injection, orally active insulin mimetic compounds would be ideal substitute. Here we report a small molecule, a peroxyvanadate compound i.e. DmpzH[VO(O2)2(dmpz)], henceforth referred as dmp, which specifically binds to insulin receptor with considerable affinity (KD-1...
2017: PloS One
https://www.readbyqxmd.com/read/28072480/free-fatty-acids-induce-autophagy-and-lox-1-upregulation-in-cultured-aortic-vascular-smooth-muscle-cells
#5
Cheng-I Cheng, Yueh-Hong Lee, Po-Han Chen, Yu-Chun Lin, Ming-Huei Chou, Ying-Hsien Kao
Elevation of free fatty acids (FFAs) is known to affect microvascular function and contribute to obesity-associated insulin resistance, hypertension, and microangiopathy. Proliferative and synthetic vascular smooth muscle cells (VSMCs) increase intimal thickness and destabilize atheromatous plaques. This study aimed to investigate whether saturated palmitic acid (PA) and monounsaturated oleic acid (OA) modulate autophagy activity, cell proliferation, and vascular tissue remodeling in an aortic VSMC cell line...
November 5, 2016: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28071765/neural-codes-of-seeing-architectural-styles
#6
Heeyoung Choo, Jack L Nasar, Bardia Nikrahei, Dirk B Walther
Images of iconic buildings, such as the CN Tower, instantly transport us to specific places, such as Toronto. Despite the substantial impact of architectural design on people's visual experience of built environments, we know little about its neural representation in the human brain. In the present study, we have found patterns of neural activity associated with specific architectural styles in several high-level visual brain regions, but not in primary visual cortex (V1). This finding suggests that the neural correlates of the visual perception of architectural styles stem from style-specific complex visual structure beyond the simple features computed in V1...
January 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28069524/atg14-facilitated-lipophagy-in-cancer-cells-induce-er-stress-mediated-mitoptosis-through-a-ros-dependent-pathway
#7
Subhadip Mukhopadhyay, Isabel R Schlaepfer, Bryan C Bergman, Prashanta Kumar Panda, Prakash Priyadarshi Praharaj, Prajna Paramita Naik, Rajesh Agarwal, Sujit Kumar Bhutia
Understanding the dynamics of autophagy and apoptosis crosstalk in cancer progression remains a challenging task. Here, we reported how the autophagy protein ATG14 induces lipophagy-mediated mitochondrial apoptosis. The overexpression of ATG14 in HeLa cells inhibited cell viability and increased mitochondrial apoptosis and endoplasmic reticulum (ER) stress. Furthermore, inhibition of this ATG14-induced autophagy promoted apoptosis. ATG14 overexpression resulted in the accumulation of stearic acid and oleic acid free fatty acids (FFA), with a concomitant decrease in the number of lipid droplets...
January 6, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28066145/effects-of-high-glucose-with-or-without-other-metabolic-substrates-on-alpha-adrenergic-contractions-in-rat-mesenteric-and-femoral-arteries
#8
Rany Vorn, Hae Young Yoo
Hyperglycemia is associated with an increased risk of cardiovascular diseases. It has been demonstrated that chronic exposure to high glucose impaired endothelial functions. However, specific effects of short-term exposure to high glucose on vascular reactivity are controversial. Moreover, the combined effects of other metabolic substrates such as free fatty acids (FFA) on vascular reactivity remain poorly understood. Here we investigate the effects of short-term exposure to high glucose with or without other metabolic substrates including FFAs termed "nutrition full" (NF) solution, on mesenteric (MA) and deep femoral arteries (DFA) of rats...
January 2017: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/28065384/the-effects-of-fat-induced-obesity-on-bone-metabolism-in-rats
#9
Wei Li, Peng Xu, Cuizhe Wang, Xiaodan Ha, Yajuan Gu, Yan Wang, Jun Zhang, Jianxin Xie
OBJECTIVE: The aim of the current study was to investigate the effects of obesity, induced via a high-fat diet, on bone metabolism in rats. METHODS: Two hundred healthy Wistar male rats aged 4 weeks were fed a standard diet and a high-fat diet. At specific time points (week 0, 4, 6, 8, and 10), plasma was collected to determine the levels of glucose and lipid metabolism. Additionally, enzyme-linked immunoassays were performed to determine the plasma levels of adipocyte and bone metabolism factors...
January 3, 2017: Obesity Research & Clinical Practice
https://www.readbyqxmd.com/read/28064304/evaluation-of-ophthalmic-artery-branch-retrograde-intervention-in-the-treatment-of-central-retinal-artery-occlusion-crao
#10
Runsheng Wang, Lu Qian, Yi Wang, Yi Zheng, Shanshuang Du, Tao Lei, Peilin Lv, Tan Long, Wenjun Wang
BACKGROUND Central retinal artery occlusion (CRAO) is the occlusion of the central retinal artery resulting in retinal infarction and acute vision loss. Digital subtraction angiography (DSA)-guided superselective ophthalmic artery or selective carotid thrombolysis remains the preferred treatment method for CRAO. This study aimed to evaluate the safety and clinical efficacy of the novel ophthalmic artery branch retrograde thrombolytic intervention for CRAO. MATERIAL AND METHODS Fifty patients with monocular CRAO were enrolled, including 28 males and 22 females (mean age: 55...
January 8, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28063669/longer-term-impact-of-hemiparetic-stroke-on-skeletal-muscle-metabolism-a-pilot-study
#11
Jennifer Klaer, Anja Mähler, Nadja Scherbakov, Lars Klug, Stephan von Haehling, Michael Boschmann, Wolfram Doehner
BACKGROUND: Hemiparetic stroke leads to structural and metabolic alterations of skeletal muscle tissue, thereby contributing to functional impairment associated with stroke. In situ metabolic processes at tissue level in skeletal muscle have not been investigated. We hypothesize that muscular metabolic capacity is limited after hemiparetic stroke, and that changes affect rather the paretic than non-paretic limb. METHODS: Nine male hemiparetic stroke survivors (age, 62±8years; BMI, 28±4kg/m(2); median stroke latency, 23months ranging from 7 to 34months poststroke) underwent dynamic in situ measurements of carbohydrate and lipid metabolism at fasting condition and during oral glucose tolerance testing, using bilateral microdialysis...
December 21, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/28058166/imaging-methods-in-the-diagnosis-of-optic-disc-drusen
#12
REVIEW
Betül Tuğcu, Hakan Özdemir
Optic disc drusen (ODD) are benign congenital anomalies of the optic nerve characterized by calcified hyaline bodies. While superficial drusen can be diagnosed easily during fundus examination, detecting buried drusen requires the use of additional imaging methods such as B-scan ultrasonography (USG), fundus fluorescein angiography (FFA), computed tomography (CT) and fundus autofluorescence (FAF). ODD can be detected by USG with the presentation of highly reflective round structures. ODD appear as hyperautofluorescent areas on FAF and bright spots on CT scans...
October 2016: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28056772/in-silico-screening-for-candidate-chassis-strains-of-free-fatty-acid-producing-cyanobacteria
#13
Olaa Motwalli, Magbubah Essack, Boris R Jankovic, Boyang Ji, Xinyao Liu, Hifzur Rahman Ansari, Robert Hoehndorf, Xin Gao, Stefan T Arold, Katsuhiko Mineta, John A C Archer, Takashi Gojobori, Ivan Mijakovic, Vladimir B Bajic
BACKGROUND: Finding a source from which high-energy-density biofuels can be derived at an industrial scale has become an urgent challenge for renewable energy production. Some microorganisms can produce free fatty acids (FFA) as precursors towards such high-energy-density biofuels. In particular, photosynthetic cyanobacteria are capable of directly converting carbon dioxide into FFA. However, current engineered strains need several rounds of engineering to reach the level of production of FFA to be commercially viable; thus new chassis strains that require less engineering are needed...
January 5, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28056057/flat-anterior-chamber-after-trabeculectomy-in-secondary-angle-closure-glaucoma-with-best1-gene-mutation-case-series
#14
Yimin Zhong, Xinxing Guo, Hui Xiao, Jingyi Luo, Chengguo Zuo, Xiaobo Huang, Jingjing Huang, Lan Mi, Qingjiong Zhang, Xing Liu
PURPOSE: Trabeculectomy has been regarded as a mainstay of initial treatment in eyes of angle closure glaucoma (ACG) with peripheral anterior synechia > 180° in the Chinese population while its efficacy in secondary ACG with BEST1 gene mutation remains unclear. We set out to investigate the treatment outcome of trabeculectomy for secondary ACG in a group of patients with autosomal recessive bestrophinopathy (ARB). METHODS: In this retrospective case series study, 8 secondary ACG patients with ARB and their 4 recruited family members underwent a thorough ophthalmic examination including best-corrected visual acuity, Goldmann applanation tonometry, gonioscopy, and fundus examinations...
2017: PloS One
https://www.readbyqxmd.com/read/28052966/role-of-adipose-tissue-insulin-resistance-in-the-natural-history-of-t2dm-results-from-the-san-antonio-metabolism-study
#15
Amalia Gastaldelli, Melania Gaggini, Ralph A DeFronzo
In the transition from normal glucose tolerance (NGT) to type 2 diabetes mellitus (T2DM), the role of β-cell dysfunction and peripheral insulin resistance (IR) is well established. However, the impact of dysfunctional adipose tissue has not been fully elucidated. The aim of the present study is to evaluate the role of resistance to the antilipolytic effect of insulin (Adipo-IR) in a large group of NGT, IGT and T2DM subjects.302 subjects with varying glucose tolerance received OGTT and euglycemic insulin clamp...
January 4, 2017: Diabetes
https://www.readbyqxmd.com/read/28028366/hepatoprotective-and-antioxidant-effects-of-lycopene-on-non-alcoholic-fatty-liver-disease-in-rat
#16
Wei Jiang, Mei-Hua Guo, Xin Hai
AIM: To evaluate the hepatoprotective effect of lycopene (Ly) on non-alcoholic fatty liver disease (NAFLD) in rat. METHODS: A rat model of NAFLD was first established by feeding a high-fat diet for 14 wk. Sixty-five rats were randomly divided into normal group, model group and Ly treatment groups. Alanine aminotransferase (ALT), aspartate aminotransferase (AST), triglycerides (TG), total cholesterol (TC) in serum and low density lipoprotein-cholesterol (LDL-C), high density lipoprotein-cholesterol (HDL-C), free fatty acid (FFA), malondialdehyde (MDA), superoxide dismutase (SOD), glutathione (GSH) in liver tissue were evaluated, respectively...
December 14, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28013468/performance-and-emission-analysis-on-blends-of-diesel-restaurant-yellow-grease-and-n-pentanol-in-direct-injection-diesel-engine
#17
J Ravikumar, S Saravanan
Yellow grease from restaurants is typically waste cooking oil (WCO) free from suspended food particles with free fatty acid (FFA) content less than 15%. This study proposes an approach to formulate a renewable, eco-friendly fuel by recycling WCO with diesel (D) and n-pentanol (P) to improve fuel-spray characteristics. Three ternary blends (D50-WCO45-P5, D50-WCO40-P10 and D50-WCO30-P20) were selected based on the stability tests and prepared with an objective to substitute diesel by 50% with up to 45% recycled component (WCO) and up to 20% bio-component (n-pentanol) by volume...
December 24, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28012395/regulatory-mechanism-of-mineral-balanced-deep-sea-water-on-hypocholesterolemic-effects-in-hepg2-hepatic-cells
#18
Kyu-Shik Lee, Yun-Suk Kwon, Soyoung Kim, Deok-Soo Moon, Hyeon Ju Kim, Kyung-Soo Nam
Several previous studies have shown the benefits of deep sea water (DSW) in lipid metabolism. However, the effects of DSW on cellular cholesterol accumulation and synthesis induced by high glucose or free fatty acid plus high glucose [4.5g/L] (FFA/glucose) have not been fully elucidated to date. Herein, we showed the effects of mineral-balanced DSW [magnesium (Mg):calcium (Ca)=3:1] (MB-DSW) on cholesterol metabolism induced by high glucose or FFA/glucose in HepG2 hepatic cells. Moreover, the effects of high ratio Mg DSW [Mg:Ca=40:1] (Mg40) were also investigated...
December 21, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28012009/hydrolase-bioh-knockout-in-e-coli-enables-efficient-fatty-acid-methyl-ester-bioprocessing
#19
Marvin Kadisch, Andreas Schmid, Bruno Bühler
Fatty acid methyl esters (FAMEs) originating from plant oils are most interesting renewable feedstocks for biofuels and bio-based materials. FAMEs can also be produced and/or functionalized by engineered microbes to give access to, e.g., polymer building blocks. Yet, they are often subject to hydrolysis yielding free fatty acids, which typically are degraded by microbes. We identified BioH as the key enzyme responsible for the hydrolysis of medium-chain length FAME derivatives in different E. coli K-12 strains...
December 24, 2016: Journal of Industrial Microbiology & Biotechnology
https://www.readbyqxmd.com/read/28010147/adaptive-optics-imaging-in-retinal-vasculitis
#20
Padmamalini Mahendradas, Ruchi Vala, Ankush Kawali, Mukund C Akkali, Rohit Shetty
PURPOSE: To study the sheathing of retinal vasculitis in various systemic autoimmune diseases using adaptive optics imaging (AOI). METHODS: Prospective, observational case series with six patients: Behçet disease (n = 1); systemic lupus erythematosus (n = 1); idiopathic retinal vasculitis (n = 2); granulomatosis with polyangiitis (n = 1); and Takayasu aorta arteritis (n = 1). Fundus photograph (FP), fundus fluorescein angiography (FFA) were done in all cases at presentation...
December 23, 2016: Ocular Immunology and Inflammation
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