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adipose distribution

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
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
Iris K Minichmayr, André Schaeftlein, Joseph L Kuti, Markus Zeitlinger, Charlotte Kloft
OBJECTIVES: We aimed to assess linezolid pharmacokinetics in the plasma and interstitial space fluid (ISF) of patients with sepsis, diabetic foot infections or cystic fibrosis and healthy volunteers. The impacts of joint characteristics and disease on plasma and target-site exposure were to be identified together with the benefit of dose intensification in critically ill patients. METHODS: Rich plasma (n = 1598) and ISF concentrations in subcutaneous adipose (n = 1430) and muscle tissue (n = 1089) measured by microdialysis were pooled from three clinical trials with 51 individuals receiving 600 mg of intravenous and oral linezolid...
October 17, 2016: Clinical Pharmacokinetics
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
Jae Dong Kim, Youn Jae Jung, Chang Hee Woo, Young Chan Choi, Ji Suk Choi, Yong Woo Cho
Self-assembled nanoparticles based on PEGylated human α-elastin were prepared as a potential vehicle for sustained protein delivery. The α-elastin was extracted from human adipose tissue and modified with methoxypolyethyleneglycol (mPEG) to control particle size and enhance the colloidal stability. The PEGylated human α-elastin showed sol-to-particle transition with a lower critical solution temperature (LCST) of 25°C-40°C in aqueous media. The PEGylated human α-elastin nanoparticles (PhENPs) showed a narrow size distribution with an average diameter of 330±33nm and were able to encapsulate significant amounts of insulin and bovine serum albumin (BSA) upon simple mixing at low temperature in water and subsequent heating to physiological temperature...
October 7, 2016: Colloids and Surfaces. B, Biointerfaces
Amir Reza Radmard, Mohammad Sadegh Rahmanian, Alireza Abrishami, Ali Yoonessi, Soheil Kooraki, Mehrdad Dadgostar, Amir Pejman Hashemi Taheri, Marjan Gerami Seresht, Hossein Poustchi, Elham Jafari, Reza Malekzadeh, Shahin Merat
BACKGROUND: To investigate the association between non-alcoholic fatty liver disease (NAFLD) and quantitative measures of central adiposity in the general population using a semi-automated method on magnetic resonance imaging (MRI) data. METHODS: Subjects were recruited from Golestan Cohort Study. Two groups of 120 individuals with and without fatty liver were randomly selected based on findings of ultrasound. Non-invasive diagnosis of NAFLD was made by combination of ultrasound and MRI...
October 2016: Archives of Iranian Medicine
G Andres Contreras, Kyan Thelen, Nadia Ayala-Lopez, Stephanie W Watts
There are sex associated differences in the risk for cardiovascular comorbidities in obesity and metabolic syndrome. A common clinical finding in these diseases is the expansion of perivascular adipose tissues (PVAT) which is associated with alterations in their role as regulators of vessel function. PVAT hyperplasia and hypertrophy are dependent on the biology of populations of adipocyte progenitor cells (APC). It is currently unclear if PVAT enlargement diverges between males and females and the mechanisms linking APC biology with sexual dimorphism remain poorly understood...
October 2016: Physiological Reports
Lawrence Doi, Andrew James Williams, John Frank
BACKGROUND: Adiposity rebound is considered critical to the development of overweight and obesity. The purpose of this study was to investigate how growth has changed in comparison to the UK 1990 BMI growth reference curves between the ages 4-8 years and identify any marked deviations in growth. We also examined potential maternal and child risk/protective factors associated with the altered growth patterns. METHODS: We used data from birth cohort 1 of the Growing Up in Scotland study...
October 13, 2016: BMC Public Health
Sini Heinonen, Maheswary Muniandy, Jana Buzkova, Adil Mardinoglu, Amaia Rodríguez, Gema Frühbeck, Antti Hakkarainen, Jesper Lundbom, Nina Lundbom, Jaakko Kaprio, Aila Rissanen, Kirsi H Pietiläinen
AIMS/HYPOTHESIS: Low mitochondrial activity in adipose tissue is suggested to be an underlying factor in obesity and its metabolic complications. We aimed to find out whether mitochondrial measures are downregulated in obesity also in isolated adipocytes. METHODS: We studied young adult monozygotic (MZ) twin pairs discordant (n = 14, intrapair difference ΔBMI ≥ 3 kg/m(2)) and concordant (n = 5, ΔBMI < 3 kg/m(2)) for BMI, identified from ten birth cohorts of 22- to 36-year-old Finnish twins...
October 12, 2016: Diabetologia
Aleksandra Cvoro, Aleksandar Bajic, Aijun Zhang, Marisa Simon, Igor Golic, Douglas H Sieglaff, Mirjana Maletic-Savatic, Aleksandra Korac, Paul Webb
Thyroid hormone (TH) receptors (TRs α and β) are homologous ligand-dependent transcription factors (TFs). While the TRs display distinct actions in development, metabolic regulation and other processes, comparisons of TRα and TRβ dependent gene regulation mostly reveal similar mechanisms of action and few TR subtype specific genes. Here, we show that TRα predominates in multipotent human adipose derived stem cells (hADSC) whereas TRβ is expressed at lower levels and is upregulated during hADSC differentiation...
2016: PloS One
Francesca De Blasio, Erica P A Rutten, Emiel F M Wouters, Luca Scalfi, Francesco De Blasio, Marco A Akkermans, Martijn A Spruit, Frits M E Franssen
BACKGROUND: Visceral adipose tissue (VAT) was shown to be increased in patients with chronic obstructive pulmonary disease (COPD) compared to control subjects with comparable body mass index (BMI). Our aim was to determine the relation of VAT by dual-energy x-ray absorptiometry (DEXA) in patients with COPD by disease severity, BMI, other indices of body composition and static lung volumes. METHODS: 294 COPD patients admitted for rehabilitation were studied. Lung function, static lung volumes and body composition (i...
2016: Multidisciplinary Respiratory Medicine
A Goto, Y Moriya, T Mandai, T Wakabayashi, T Tsukamoto, Y Tagawa, T Kondo, S Asahi
The non-clinical pharmacokinetics (PK) of TAK-357, a highly lipophilic (clogP>6) potential agent for the amelioration of Alzheimer's disease, was investigated in rats and dogs. A long half-life (t1/2) in plasma was observed in animals and a low total body clearance with high distribution volume was consistent with the long t1/2. The absorption, distribution, metabolism and excretion (ADME) studies using radiolabeled TAK-357 revealed that the total radioactivity was highly distributed to the adipose tissues and sustained with high concentration for over 4 weeks after oral administration...
October 11, 2016: Drug Research
K McCloskey, A-L Ponsonby, F Collier, K Allen, M L K Tang, J B Carlin, R Saffery, M R Skilton, M Cheung, S Ranganathan, T Dwyer, D Burgner, P Vuillermin
BACKGROUND: Excess adiposity and adiposity-related inflammation are known risk factors for cardiovascular disease in adults; however, little is known regarding the determinants of adiposity-related inflammation at birth. OBJECTIVES: The aim of this study was to investigate the association between maternal pre-pregnancy BMI and newborn adiposity and inflammation. METHODS: Paired maternal (28-week gestation) and infant (umbilical cord) blood samples were collected from a population-derived birth cohort (Barwon Infant Study, n = 1074)...
October 9, 2016: Pediatric Obesity
Tolunay Beker Aydemir, Catalina Troche, Min-Hyun Kim, Robert J Cousins
Zinc influences signaling pathways through controlled targeted zinc transport. Zinc transporter Zip14 KO mice display a phenotype which includes impaired intestinal barrier function with low-grade chronic inflammation, hyperinsulinemia and increased body fat which are signatures of diet-induced diabetes (type 2 diabetes) and obesity in humans. Hyperglycemia in type 2 diabetes and obesity is caused by insulin resistance. Insulin resistance results in inhibition of glucose uptake by liver and other peripheral tissues, principally adipose and muscle and with concurrently higher hepatic glucose production...
October 4, 2016: Journal of Biological Chemistry
A Michaud, J Tordjman, M Pelletier, Y Liu, S Laforest, S Noël, G Le Naour, C Bouchard, K Clément, A Tchernof
BACKGROUND: Adipose tissue fibrosis is a relatively new notion and its relationship with visceral obesity and cardiometabolic alterations remains unclear, particularly in moderate obesity. OBJECTIVE: Our objective was to examine if total and pericellular collagen accumulation are relevant for the pathophysiology of visceral obesity and related cardiometabolic risk. SUBJECTS AND METHODS: Surgical omental (OM) and subcutaneous (SC) fat samples were obtained in 56 women (age: 47...
October 4, 2016: International Journal of Obesity: Journal of the International Association for the Study of Obesity
Ove Andersen
HIV-associated lipodystrophy syndrome frequently presents as a relative lack of peripheral adipose tissue storage combined with an increase in visceral fat, associated with insulin resistance and dyslipidaemia. This thesis discusses explanations for the links between abnormalities in glucose metabolism, the steroid synthesis pathway, the growth hormone-insulin growth factor-1 axis, and chronic changes in adipose tissue distribution. Specifically, the mechanisms by which low-grade inflammation may affect the normal stimulatory effect of insulin on glucose and fat storage are reviewed...
October 2016: Danish Medical Journal
Rachel Golan, Ilan Shelef, Elad Shemesh, Yaakov Henkin, Dan Schwarzfuchs, Yftach Gepner, Ilana Harman-Boehm, Shula Witkow, Michael Friger, Yoash Chassidim, Idit F Liberty, Benjamin Sarusi, Dana Serfaty, Nitzan Bril, Michal Rein, Noa Cohen, Sivan Ben-Avraham, Uta Ceglarek, Michael Stumvoll, Matthias Blüher, Joachim Thiery, Meir J Stampfer, Assaf Rudich, Iris Shai
OBJECTIVE: To generate evidence-based conclusions about the effect of wine consumption on weight gain and abdominal fat accumulation and distribution in patients with type 2 diabetes. DESIGN: In the 2-year randomized controlled CASCADE (CArdiovaSCulAr Diabetes & Ethanol) trial, patients following a Mediterranean diet were randomly assigned to drink 150 ml of mineral water, white wine or red wine with dinner for 2 years. Visceral adiposity and abdominal fat distribution were measured in a subgroup of sixty-five participants, using abdominal MRI...
October 3, 2016: Public Health Nutrition
Holly E Weiss-Bilka, Megan E McGann, Matthew J Meagher, Ryan K Roeder, Diane R Wagner
Key aspects of native endochondral bone development and fracture healing can be mimicked in mesenchymal stem cells (MSCs) through standard in vitro chondrogenic induction. Exploiting this phenomenon has recently emerged as an attractive technique to engineer bone tissue, however relatively little is known about the best conditions for doing so. The objective of this study was to compare the bone forming capacity and angiogenic induction of hypertrophic cell constructs containing human adipose-derived stem cells (hASCs) primed for chondrogenesis in two different culture systems: high-density pellets and alginate bead hydrogels...
September 30, 2016: Journal of Tissue Engineering and Regenerative Medicine
Aida Llucià-Valldeperas, Carolina Soler-Botija, Carolina Gálvez-Montón, Santiago Roura, Cristina Prat-Vidal, Isaac Perea-Gil, Benjamin Sanchez, Ramon Bragos, Gordana Vunjak-Novakovic, Antoni Bayes-Genis
: : Cardiac cells are subjected to mechanical and electrical forces, which regulate gene expression and cellular function. Therefore, in vitro electromechanical stimuli could benefit further integration of therapeutic cells into the myocardium. Our goals were (a) to study the viability of a tissue-engineered construct with cardiac adipose tissue-derived progenitor cells (cardiac ATDPCs) and (b) to examine the effect of electromechanically stimulated cardiac ATDPCs within a myocardial infarction (MI) model in mice for the first time...
September 29, 2016: Stem Cells Translational Medicine
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