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https://www.readbyqxmd.com/read/29140901/-state-of-the-art-techniques-in-treating-peripheral-nerve-injury
#1
Carrie A Kubiak, Theodore A Kung, David L Brown, Paul S Cederna, Stephen W P Kemp
BACKGROUND -: Peripheral nerve injuries remain a major clinical concern as they often lead to chronic disability and significant health care expenditures. Despite advancements in microsurgical techniques to enhance nerve repair, biologic approaches are needed to augment nerve regeneration and improve functional outcomes after injury. METHODS -: Presented herein is a review of the current literature on state of the art techniques to enhance functional recovery for patients with nerve injury...
November 11, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29135689/vldl-triglyceride-accumulation-in-skeletal-muscle-and-adipose-tissue-in-type-2-diabetes
#2
Esben Søndergaard, Søren Nielsen
PURPOSE OF REVIEW: Insulin resistance is closely linked to accumulation of lipid outside adipose tissue (ectopic fat storage). VLDL particles transport lipids from the liver to peripheral tissues. However, whether abnormalities in VLDL-triglyceride storage in muscle and adipose tissue exist in type 2 diabetes has previously been unknown, primarily because of methodological difficulties. Here, we review recent research on VLDL-triglyceride storage. RECENT FINDINGS: In a recent study, men with type 2 diabetes had increased skeletal muscle VLDL-triglyceride storage compared to weight-matched nondiabetic men, potentially leading to intramyocellular triglyceride accumulation...
November 11, 2017: Current Opinion in Lipidology
https://www.readbyqxmd.com/read/29135508/new-histologic-finding-of-amyloid-insulin-bodies-at-an-insulin-injection-site-in-a-patient-with-diabetes
#3
Benjamin D Katzman, Peter Traum, Paul B Medline
Amyloidosis is a heterogeneous group of protein deposition diseases with more than 40 known clinical presentations. Localized amyloidosis occurs when the protein deposits exist in a singular location. Patients with diabetes mellitus who inject insulin at the same site can develop localized insulin-derived amyloidosis (AIns) at the injection site, which can be confused clinically with lipoma, lipohyperplasia, lipoatrophy, and fat necrosis. Histologic examination is performed to confirm localized AIns. We report a case of a patient with a long history of type 2 diabetes who presented with a subcutaneous mass in the abdomen at a preferred insulin injection site...
November 7, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/29124325/changes-in-fat-oxidation-in-response-to-various-regimes-of-high-intensity-interval-training-hiit
#4
REVIEW
Todd Anthony Astorino, Matthew M Schubert
Increased whole-body fat oxidation (FOx) has been consistently demonstrated in response to moderate intensity continuous exercise training. Completion of high intensity interval training (HIIT) and its more intense form, sprint interval training (SIT), has also been reported to increase FOx in different populations. An explanation for this increase in FOx is primarily peripheral adaptations via improvements in mitochondrial content and function. However, studies examining changes in FOx are less common in response to HIIT or SIT than those determining increases in maximal oxygen uptake which is concerning, considering that FOx has been identified as a predictor of weight gain and glycemic control...
November 9, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29123173/effect-of-vitamin-d-supplementation-on-inflammation-and-nuclear-factor-kappa-b-activity-in-overweight-obese-adults-a-randomized-placebo-controlled-trial
#5
Aya Mousa, Negar Naderpoor, Josphin Johnson, Karly Sourris, Maximilian P J de Courten, Kirsty Wilson, Robert Scragg, Magdalena Plebanski, Barbora de Courten
In-vitro studies suggest that vitamin D reduces inflammation by inhibiting nuclear factor kappa-B (NFκB) activity. Yet, no trials have examined the effects of vitamin D supplementation on NFκB activity in-vivo in humans. We conducted a double-blind randomized trial (RCT) examining effects of vitamin D supplementation on inflammatory markers and NFκB activity in peripheral blood mononuclear cells (PBMCs). Sixty-five overweight/obese, vitamin D-deficient (25-hydroxyvitamin D [25(OH)D] ≤ 50 nmol/L) adults were randomized to a single 100,000 IU bolus followed by 4,000 IU daily cholecalciferol or matching placebo for 16 weeks...
November 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29121940/plasma-irisin-is-elevated-in-type-2-diabetes-and-is-associated-with-increased-e-selectin-levels
#6
Karan S Rana, Chathyan Pararasa, Islam Afzal, David A Nagel, Eric J Hill, Clifford J Bailey, Helen R Griffiths, Ioannis Kyrou, Harpal S Randeva, Srikanth Bellary, James E Brown
BACKGROUND: Irisin is a hormone released mainly from skeletal muscle after exercise which increases adipose tissue energy expenditure. Adipocytes can also release irisin after exercise, acting as a local adipokine to induce white adipose tissue to take on a brown adipose tissue-like phenotype, suggesting that irisin and its receptor may represent a novel molecular target for the treatment of obesity and obesity-related diabetes. Previous reports provide conflicting evidence regarding circulating irisin levels in patients with type 2 diabetes (T2DM)...
November 9, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/29121215/trabecular-bone-morphology-correlates-with-skeletal-maturity-and-body-composition-in-healthy-adolescent-girls
#7
Deborah M Mitchell, Signe Caksa, Amy Yuan, Mary L Bouxsein, Madhusmita Misra, Sherri-Ann M Burnett-Bowie
Context: Growth in healthy children is associated with changes in bone density and microarchitecture. Trabecular morphology is an additional important determinant of bone strength, but little is currently known about trabecular morphology in healthy young people. Objective: To investigate associations of trabecular morphology with increasing maturity and with body composition in healthy girls. Design: Cross-sectional study. Setting: Academic research center...
November 7, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29120034/ultrasonographic-features-of-eccrine-spiradenoma
#8
Cheol Mog Hwang, Byeong Seong Kang, Hyeok Jin Hong, Joo Yeon Lee, Jae Hee Suh, Eun Mee Han, In Hye Song, Hyun Seok Shim, Sang Hoon Lee
The purpose of this series was to evaluate the features of eccrine spiradenoma on ultrasonography (US). We reviewed the clinical data of 8 patients with eccrine spiradenoma who underwent preoperative US at 4 different medical institutions from 2004 to 2016 and analyzed the US features in terms of the tumor location, size, shape, margin, echo texture, echogenicity, posterior acoustic enhancement, calcification, septum, and color Doppler flow. There were 7 female patients and 1 male patient. The mean patient age was 45...
November 9, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29118755/apoptotic-cells-induced-signaling-for-immune-homeostasis-in-macrophages-and-dendritic-cells
#9
REVIEW
Uriel Trahtemberg, Dror Mevorach
Inefficient and abnormal clearance of apoptotic cells (efferocytosis) contributes to systemic autoimmune disease in humans and mice, and inefficient chromosomal DNA degradation by DNAse II leads to systemic polyarthritis and a cytokine storm. By contrast, efficient clearance allows immune homeostasis, generally leads to a non-inflammatory state for both macrophages and dendritic cells (DCs), and contributes to maintenance of peripheral tolerance. As many as 3 × 10(8) cells undergo apoptosis every hour in our bodies, and one of the primary "eat me" signals expressed by apoptotic cells is phosphatidylserine (PtdSer)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29118282/the-role-of-bile-acids-in-glucose-metabolism-and-their-relation-with-diabetes
#10
José Alberto González-Regueiro, Lidia Moreno-Castañeda, Misael Uribe, Norberto C Chávez-Tapia
Bile acids (BAs), the end products of cholesterol catabolism, are essential for the absorption of lipids and fat-soluble vitamins; but they have also emerged as novel signaling molecules that act as metabolic regulators. It has been well described that the enterohepatic circulation, a nuclear (FXR) and a cytoplasmic (TGR5/M-BAR) receptor aid in controlling hepatic bile acid synthesis. Modulating bile acid synthesis greatly impacts in metabolism, because these receptors also are implicated in glucose, lipid, and energy expenditure...
October 4, 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/29114652/pepsin-egg-white-hydrolysate-ameliorates-metabolic-syndrome-in-high-fat-high-dextrose-fed-rats
#11
S Moreno-Fernández, M Garcés-Rimón, C González, J A Uranga, V López-Miranda, G Vera, M Miguel
The aim of this study was to examine the effect of a pepsin egg white hydrolysate (EWH) on metabolic complications using a high-fat/high-dextrose diet-induced Metabolic Syndrome (MetS) experimental model. Male Wistar rats were divided into 4 groups which received: standard diet and water (C), standard diet and a solution with 1 g kg(-1) day(-1) of EWH (CH), high-fat/high-dextrose diet and water (MS), and high-fat/high-dextrose diet and a solution with 1 g kg(-1) day(-1) of EWH (MSH). EWH consumption normalized body weight gain; abdominal obesity and peripheral neuropathy developed in MetS animals, and adipose tissue and liver weight, as well as plasma glucose were reduced...
November 8, 2017: Food & Function
https://www.readbyqxmd.com/read/29113558/neuronal-control-of-bone-remodeling
#12
Alexander Corr, James Smith, Paul Baldock
Although the brain is well established as a master regulator of homeostasis in peripheral tissues, central regulation of bone mass represents a novel and rapidly expanding field of study. This review examines the current understanding of central regulation of the skeleton, exploring several of the key pathways connecting brain to bone and their implications both in mice and the clinical setting. Our understanding of central bone regulation has largely progressed through examination of skeletal responses downstream of nutrient regulatory pathways in the hypothalamus...
January 1, 2017: Toxicologic Pathology
https://www.readbyqxmd.com/read/29111188/food-intake-regulation-by-leptin-mechanisms-mediating-gluconeogenesis-and-energy-expenditure
#13
REVIEW
Zulfia Hussain, Junaid Ali Khan
Regulation of blood glucose levels and body fat is critical for survival. Leptin circulates freely in blood and controls body weight and food intake mainly through hypothalamic receptors and regulates glucose metabolism in the liver both directly through leptin receptors and indirectly via the hypothalamic receptors of central nervous system. Leptin affects food intake regulation and eventually glucose metabolism, lipometabolism, endocrine and immune functions, reproductive function, adipose tissue metabolism and energy expenditure...
October 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/29108552/effect-of-body-fat-and-gender-on-body-temperature-distribution
#14
Eduardo Borba Neves, Ana Carla Chierighini Salamunes, Rafael Melo de Oliveira, Adriana Maria Wan Stadnik
It is well known that body composition can influence peripheral heat loss and skin temperature. That the distribution of body fat is affected by gender is well known; however, there is little information on how body composition and gender influences the measure of skin temperature. This study evaluated skin temperature distribution according to body fat percentage (BF%) and gender. A sample of 94 apparently healthy volunteers (47 women and 47 men) was assessed with Dual-Energy X-Ray Absorptiometry (DXA) and infrared thermography (mean, maximum and minimum temperatures - TMean, TMax and TMin)...
December 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/29107872/inflammation-and-gut-brain-axis-link-obesity-to-cognitive-dysfunction-plausible-pharmacological-interventions
#15
REVIEW
Maite Solas, Fermin I Milagro, María J Ramírez, J Alfredo Martínez
Obesity prevalence is increasing steadily throughout the world's population in most countries and in parallel the prevalence of metabolic disorders including cardiovascular diseases and type 2 diabetes is also rising, but less is reported about excessive adiposity relationship with poorer cognitive performance, cognitive decline and dementia. Some human clinical studies have evidenced that obesity is related to the risk of the development of mild cognitive impairment, in the form of short-term memory and executive function deficits, as well as dementia and Alzheimer's disease...
November 3, 2017: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/29107295/the-fgf21-response-to-fructose-predicts-metabolic-health-and-persists-after-bariatric-surgery-in-obese-humans
#16
Kasper W Ter Horst, Pim W Gilijamse, Ahmet Demirkiran, Bart A van Wagensveld, Mariette T Ackermans, Joanne Verheij, Johannes A Romijn, Max Nieuwdorp, Eleftheria Maratos-Flier, Mark A Herman, Mireille J Serlie
OBJECTIVE: Fructose consumption has been implicated in the development of obesity and insulin resistance. Emerging evidence shows that fibroblast growth factor 21 (FGF21) has beneficial effects on glucose, lipid, and energy metabolism and may also mediate an adaptive response to fructose ingestion. Fructose acutely stimulates circulating FGF21 consistent with a hormonal response. We aimed to evaluate whether fructose-induced FGF21 secretion is linked to metabolic outcomes in obese humans before and after bariatric surgery-induced weight loss...
November 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/29107286/deletion-of-hepatic-carbohydrate-response-element-binding-protein-chrebp-impairs-glucose-homeostasis-and-hepatic-insulin-sensitivity-in-mice
#17
Tara Jois, Weiyi Chen, Victor Howard, Rebecca Harvey, Kristina Youngs, Claudia Thalmann, Pradip Saha, Lawrence Chan, Michael A Cowley, Mark W Sleeman
OBJECTIVE: Carbohydrate response element binding protein (ChREBP) is a transcription factor that responds to glucose and activates genes involved in the glycolytic and lipogenic pathways. Recent studies have linked adipose ChREBP to insulin sensitivity in mice. However, while ChREBP is most highly expressed in the liver, the effect of hepatic ChREBP on insulin sensitivity remains unknown. To clarify the importance of hepatic ChREBP on glucose homeostasis, we have generated a knockout mouse model that lacks this protein specifically in the liver (Liver-ChREBP KO)...
November 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/29107124/genetic-inhibition-of-ppar%C3%AE-s112-phosphorylation-reduces-bone-formation-and-stimulates-marrow-adipogenesis
#18
Chunxi Ge, Guisheng Zhao, BinBin Li, Yan Li, William P Cawthorn, Ormond A MacDougald, Renny T Franceschi
A common feature of many skeletal diseases is the accumulation of marrow fat. A reciprocal relationship exists between osteogenesis and adipogenesis in bone marrow that is mediated by the relative activity of PPARγ and RUNX2 transcription factors. The ERK/MAPK pathway is an important inducer of MSC differentiation to osteoblasts and an inhibitor of adipogenesis that functions by phosphorylating RUNX2 and PPARγ. To begin to assess the importance of this regulation in vivo, we examined the consequences of blocking one arm of this pathway, PPARγ S112 phosphorylation, by evaluating the bone phenotype of PPARγ S112A mutant mice...
October 26, 2017: Bone
https://www.readbyqxmd.com/read/29105622/the-effects-of-t-helper-17-and-regulatory-t-cells-on-patients-with-carotid-atherosclerosis
#19
Bo Wang, Xiaopeng Wang, Huifang Sun, Lili Hu, Jianbo Gao
This study was aimed to observe the level of T helper 17 (Th17) cells and CD4(+) CD25(+) Foxp(3+) regulatory T cells (Tregs) and their related factors in carotid atherosclerosis (AS) patients and AS model rats to explore the influence of Th17 on the pathological process of AS and its specific mechanism. 60 cases with AS in our hospital from July 2012 to July 2014 were recruited for this study as the observation group, and 40 healthy people who came to the hospital for a physical examination were the control group...
September 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29105276/quadriceps-muscle-fat-infiltration-is-associated-with-cardiometabolic-risk-in-copd
#20
Isabelle Vivodtzev, Luc Moncharmont, Renaud Tamisier, Jean-Christian Borel, François Arbib, Bernard Wuyam, Patrick Lévy, François Maltais, Gilbert Ferretti, Jean-Louis Pépin
PURPOSE: Losses of peripheral muscle mass and ectopic fat accumulation have been associated with cardiometabolic morbidity in COPD. We aimed at identifying the relationship between quadriceps muscle fat infiltration and cardiovascular risk. MATERIALS AND METHODS: From 2009 to 2014, 78 COPD patients (64 ± 8 years; 80% male) were prospectively included after having given written consent (ethical committee approval number: 2006-A00491-50). The cohort was divided into three groups (tertiles) according to body mass index (BMI), low [15 < BMI≤23·3], middle [23·3 < BMI≤27·6] and high [27·6 < BMI≤36] kg/m²)...
November 3, 2017: Clinical Physiology and Functional Imaging
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