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fat distribution

Amanda N Fletcher, Agostino Molteni, Rakesh Ponnapureddy, Chirag Patel, Mark Pluym, Alan M Poisner
BACKGROUND: Fat embolism (FE) and the consequent fat embolism syndrome (FES) occurring after trauma or surgery can lead to serious pulmonary injury, including ARDS and death. Current treatment of FES is limited to supportive therapy. We have shown in a rat model that the renin angiotensin system (RAS) plays a significant role in the pathophysiology of FE since drugs interfering with the RAS, captopril and losartan, reduce the histopathologic pulmonary damage. The purpose of the current study was to determine if inhibition of renin by aliskiren, an FDA-approved drug for treating hypertension, would produce effective protection in the same model...
October 25, 2016: Journal of Trauma and Acute Care Surgery
Seyedeh Neda Mousavi, Fariba Koohdani, Farzad Shidfar, Mohamadreza Baghaban Eslaminejad
BACKGROUND: Maternal high fat/high calorie diet leads to adiposity and bone fracture in offspring. However, the effects of macronutrient distribution in maternal isocaloric diet have not been studied. The present study was designed to test the hypothesis that maternal isocaloric pair-fed high-carbohydrate diet will increase osteoblastic and decrease osteoclastic and adipogenic gene expression compared with high-fat diet in adolescent mice offspring. METHODS: Virgin female C57BL/6 mice were impregnated and fed either the AIN 93G isocaloric pair-fed high-carbohydrate (LF-HCD) or a high fat (HF-LCD) diet from the time of vaginal plug confirmation until the offspring was weaned...
2016: Nutrition & Metabolism
Jia-Yang Li, Qi-Rong Zou, Xue-Mei Peng
OBJECTIVE: To compare the pharmacokinetics of cisatracurium between normal weight patients and morbidly obese patients. METHODS: Twelve obese ASA I-II patients (BMI≥35 kg/m(2)) undergoing laparoscopic Roux-en-Y gastric bypass and 12 normal weight ASA I-II patients (BMI of 18.5-24 kg/m(2)) undergoing laparoscopic surgery were enrolled. The obese patients were given a cisatracurium dose of 0.15 mg/kg according to the fat-free mass (FFM), and the non-obese patients received a dose of 0...
October 20, 2016: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
Isabel E Kenny, Sahrai Saeed, Eva Gerdts, Helga Midtbø, Hilde Halland, Mai T Lønnebakken
BACKGROUND: Masked hypertension (MHT), defined as normal office blood pressure (BP) but high ambulatory BP, has been associated with increased cardiovascular risk. Although MHT has been associated with obesity, there is limited knowledge on the prevalence and covariates of MHT in obese cohorts. METHODS: Office and ambulatory BP recordings and other cardiovascular risk factors were assessed in 323 obese participants included in the fat-associated cardiovascular dysfunction study (mean age 48...
October 21, 2016: Blood Pressure Monitoring
Christiana Aryee, William K B A Owiredu, James Osei-Yeboah, Ellis Owusu-Dabo, Edwin F Laing, Isaac K Owusu
The surge in prevalence of chronic noncommunicable diseases like hypertension and chronic kidney disease has been linked with modifiable lifestyle practices and increased body fat. This study sought to compare the association between different modifiable lifestyle practices, adiposity indices, renal function parameters, and hypertension as well as the predictive implications for levels of these parameters in target cardiac organ damage among an urban Ghanaian hypertensive population. Using a hospital-based case-control study design, 241 Ghanaian indigenes from the Kumasi metropolis were recruited for this study...
2016: International Journal of Hypertension
Aya Murakami, Daisuke Kobayashi, Toshio Kubota, Niina Zukeyama, Haru Mukae, Norihiro Furusyo, Mosaburo Kainuma, Takao Shimazoe
BACKGROUND: In Japanese Kampo medical practice, suidoku (fluid disturbance) is one of the most important concepts for selecting the proper medication. Suidoku is an excessive or uneven distribution of fluid that is indicated by splashing sounds and pitting edema. However, few objective reports about suidoku have been published. Bioelectrical impedance analysis (BIA) uses resistance values obtained from weak electrical currents to estimate body composition, including intracellular and extracellular water and muscle and fat mass...
October 22, 2016: BMC Complementary and Alternative Medicine
Sabrina Stocker, Florian Foschum, Philipp Krauter, Florian Bergmann, Ansgar Hohmann, Claudia Scalfi Happ, Alwin Kienle
Dairy products play an important role in our daily nutrition. As a turbid scattering medium with different kinds of particles and droplets, each alteration of these components changes the scattering properties of milk. The goal of this work is the determination of the amount of main scattering components, the fat droplets and the casein micelles, by understanding the light propagation in homogenized milk and in raw milk. To provide the absolute impact of these milk components, the geometrical and optical properties such as the size distribution and the refractive index (RI) of the components have to be examined...
October 21, 2016: Applied Spectroscopy
Taulant Muka, Lauren C Blekkenhorst, Joshua R Lewis, Richar L Prince, Nicole S Erler, Albert Hofman, Oscar H Franco, Fernando Rivadeneira, Jessica C Kiefte-de Jong
OBJECTIVE: We aimed to study whether dietary fat composition (n-3 and n-6 polyunsaturated fatty acids ratio (PUFAs) and PUFAs and saturated fatty acids (SFAs) ratio) is associated with total body fat (TF) and body fat distribution and whether this association was modified by the presence of chronic disease in middle-aged and elderly women in two population-based cohorts in the Netherlands and Australia. METHODS: The study was performed in the Rotterdam Study (RS), a prospective cohort study among subjects aged 55 years and older (N = 1182 women) and the Calcium Intake Fracture Outcome Study (CAIFOS), a 5-year randomized controlled trial among women age 70+ (N = 891)...
September 28, 2016: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
Christian Carpéné, Francisco Les, Mounia Hasnaoui, Simon Biron, Picard Marceau, Denis Richard, Jean Galitzky, Denis R Joanisse, Pascale Mauriège
Semicarbazide-sensitive amine oxidase (SSAO), identical to primary amine oxidase or vascular adhesion protein-1, is a membrane enzyme that generates hydrogen peroxide. SSAO is highly expressed at the adipocyte surface, and its plasma levels increase with type 2 diabetes. Since visceral adipose tissue (AT) is more tightly associated with obesity complications than subcutaneous (SC) abdominal fat, we compared SSAO activity in plasma and 4 distinct AT locations in 48 severely obese women (body mass index (BMI), averaging 54 ± 11 kg/m(2)), with or without a dysmetabolic profile...
October 21, 2016: Journal of Physiology and Biochemistry
L Chen, D L Wang, Z R Wei, B Wang, J P Qi, G F Sun
Objective: To investigate the effects of local transplantation of autologous adipose-derived mesenchymal stem cells (ADSCs) on the formation of hyperplastic scar on rabbit ears. Methods: ADSCs were isolated from inguinal fat of six New Zealand rabbits and then sub-cultured. ADSCs of the third passage of each rabbit were used in the following experiments. Six full-thickness skin defect wounds with diameter of 6 mm on the ventral surface of every rabbit ear were made. Wound healing and local-tissue proliferation were observed, and complete epithelization time of wounds and formation time of hyperplastic scar were recorded...
October 20, 2016: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
Le Zhang, Alex Burant, Andrew McCallister, Victor Zhao, Karl M Koshlap, Simone Degan, Michael Antonacci, Rosa Tamara Branca
PURPOSE: To investigate the temperature dependence of the resonance frequency of lipid-dissolved xenon (LDX) and to assess the accuracy of LDX-based MR thermometry. METHODS: The chemical shift temperature dependence of water protons, methylene protons, and LDX was measured from samples containing tissues with varying fat contents using a high-resolution NMR spectrometer. LDX results were then used to acquire relative and absolute temperature maps in vivo and the results were compared with PRF-based MR thermometry...
October 19, 2016: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
Francesca de Blasio, Francesco de Blasio, Giulia Miracco Berlingieri, Andrea Bianco, Marta La Greca, Frits M E Franssen, Luca Scalfi
BACKGROUND: Multifrequency bioelectrical impedance analysis (MF-BIA) is a technique that measures body impedance (Z) at different frequencies (5, 10, 50, 100, and 250 kHz). Body composition may be estimated using empirical equations, which include BIA variables or, alternatively, raw BIA data may provide direct information on water distribution and muscle quality. OBJECTIVES: To compare raw MF-BIA data between COPD patients and controls and to study their relationship with respiratory and functional parameters in COPD patients...
2016: International Journal of Chronic Obstructive Pulmonary Disease
F M Elli, V Boldrin, A Pirelli, A Spada, G Mantovani
All tissues and organs derive from stem cells, which are undifferentiated cells able to differentiate into specialized cells and self-renewal. In mammals, there are embryonic stem cells that generate germ layers, and adult stem cells, which act as a repair system for the body and maintain the normal turnover of regenerative organs. Mesenchymal stem cells (MSCs) are nonhematopoietic adult multipotent cells, which reside in virtually all postnatal organs and tissues, and, under appropriate in vitro conditions, are capable to differentiate into osteogenic, adipogenic, chondrogenic, myogenic, and neurogenic lineages...
October 18, 2016: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
Kelly M Proffitt, Mark Hebblewhite, Wibke Peters, Nicole Hupp, Julee Shamhart
Understanding how habitat and nutritional condition affect ungulate populations is necessary for informing management, particularly in areas experiencing carnivore recovery and declining ungulate population trends. Variations in forage species availability, plant phenological stage, and the abundance of forage make it challenging to understand landscape-level effects of nutrition on ungulates. We developed an integrated spatial modeling approach to estimate landscape-level elk (Cervus elaphus) nutritional resources in two adjacent study areas that differed in coarse measures of habitat quality and related the consequences of differences in nutritional resources to elk body condition and pregnancy rates...
October 2016: Ecological Applications: a Publication of the Ecological Society of America
Patricio Lopez-Jaramillo
Cardiovascular diseases (CVD) are major causes of death and illness worldwide. In recent decades an increased prevalence of CVD mortality has been reported in low-medium income countries, which has been associated with changes in life styles, deficiencies in health systems and the persistence of social inequities.The metabolic syndrome comprises a cluster of cardiometabolic risk factors, with insulin resistance and increased adiposity as its central features. Identifying individuals with metabolic syndrome is important due to its association with an increased risk of coronary heart disease and type 2 diabetes mellitus (DM2)...
September 2016: Journal of Hypertension
Amabile Borges Dario, Manuela Loureiro Ferreira, Kathryn Refshauge, Alejandro Luque-Suarez, Juan Ramon Ordoñana, Paulo Henrique Ferreira
BACKGROUND: Obesity is commonly investigated as a potential risk factor for LBP, however the current evidence remains unclear. Limitations in previous studies may explain the inconsistent results in the field such as use of a cross-sectional design, limitations in the measures used to assess obesity (e.g. body mass index - BMI) and poor adjustment for confounders (e.g. genetics and physical activity). PURPOSE AND DESIGN: To better understand the effects of obesity on LBP, our aim was to investigate in a prospective cohort whether obesity-related measures increase the risk of chronic LBP outcomes using a longitudinal design...
October 14, 2016: Spine Journal: Official Journal of the North American Spine Society
César Hernández-Guerrero, Paulina Hernández-Chávez, Inés Romo-Palafox, Grecia Blanco-Melo, Alicia Parra-Carriedo, Ana Pérez-Lizaur
BACKGROUND AND AIMS: Oxidative disturbance is an important factor involved in the etiology of comorbidities associated with obesity. Genetic polymorphisms such as SOD1 -251A>G, SOD2 47 C>T, CAT -21A>T and CAT -262 C>T have been described to alter the activity of antioxidant enzymes. The aim of the present work was to analyze the association of the mentioned SNPs with obesity and their relationship with anthropometric and clinical variables in this group. METHODS: The study included 416 Mexican women (208 normal weight, NW and 208 subjects with obesity, OB)...
July 2016: Archives of Medical Research
Su Yon Jung, Wendy E Barrington, Dorothy S Lane, Chu Chen, Rowan Chlebowski, Giselle Corbie-Smith, Lifang Hou, Zuo-Feng Zhang, Min-So Paek, Carolyn J Crandall
OBJECTIVE: Bioavailable insulin-like growth factor-I (IGF-I) interacts with obesity and exogenous estrogen (E) in a racial disparity in obesity-related cancer risk, yet their interconnected pathways are not fully characterized. We investigated whether circulating bioavailable IGF-I acted as a mediator of the racial disparity in obesity-related cancers such as breast and colorectal (CR) cancers and how obesity and E use regulate this relationship. METHODS: A total of 2,425 white and 164 African American (AA) postmenopausal women from the Women's Health Initiative Observational Study were followed from October 1, 1993 through August 29, 2014...
October 3, 2016: Menopause: the Journal of the North American Menopause Society
Johann Lebon, Razieh Barsalani, Hélène Payette, Martin Brochu, Isabelle J Dionne
: Background/Study context: Determining whether C-reactive protein (CRP), blood lipids, total and trunk fat mass (FM), and waist circumference (WC) are associated with changes in physical capacity over 3 years (Δ) in elderly. METHODS: One hundred twenty-two men and women 68-83 years of age participated in a 3-year follow-up study. Physical capacity was measured using five objective tests: (1) Timed Up and Go (TUG), (2) chair stand (CS), (3) normal walking speed (NWS), (4) fast walking speed (FWS), and (5) one-leg stand (LS), along with physical performance score (PPS) at baseline (T1) and 3 years later (T4)...
October 2016: Experimental Aging Research
Zulfa Abrahams, Naomi Levitt, Maia Lesosky, Gary Maartens, Joel Dave
Long-term use of antiretroviral therapy (ART) increases the risk of developing lipodystrophy. Few studies from Africa have used longitudinal data to assess the development of lipoatrophy and lipohypertrophy. We use clinical anthropometry and dual-energy X-ray absorptiometry (DEXA) to describe changes in body fat distribution over a 24-month period in individuals initiated on ART. A convenience sample of black South Africans (55 men and 132 women) were recruited and followed for 24 months after commencing ART...
October 2016: AIDS Patient Care and STDs
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