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Barun Das, Jashdeep Bhattacharjee, Preeti, Alaknanda Mishra, Kshama Jain, Srikanth Iyer, Ashwani Kesarwani, Parul Sahu, Prakriti Sinha, Perumal Nagarajan, Pramod Upadhyay
Partial hepatectomy is a versatile and reproducible method to study liver regeneration and the effect of cell based therapeutics in various pathological conditions. Partial hepatectomy also facilitates the increased engraftment and proliferation of transplanted cells by accelerating neovascularization and cell migration towards the liver. Here, we describe a simple protocol for performing 30% hepatectomy and transplantation of cells in the spleen of a non-obese diabetic/severe combined immunodeficient NOD.SCID (NOD...
February 10, 2018: Journal of Visualized Experiments: JoVE
Shereen M Hamza, John E Hall
Renal sympathetic nerves contribute significantly to both physiological and pathophysiological phenomena. Evaluating renal sympathetic nerve activity (RSNA) is of great interest in many areas of research such as chronic kidney disease, hypertension, heart failure, diabetes and obesity. Unequivocal assessment of the role of the sympathetic nervous system is thus imperative for proper interpretation of experimental results and understanding of disease processes. RSNA has been traditionally measured in anesthetized rodents, including mice...
February 14, 2018: Journal of Visualized Experiments: JoVE
Andrew K Fuller, Benjamin D Bice, Ashlee R Venancio, Olivia M Crowley, Ambur M Staab, Stephanie J Georges, Julio R Hidalgo, Annika V Warncke, Melinda L Angus-Hill
Several recent studies have illustrated the beneficial effects of living in an enriched environment on improving human disease. In mice, environmental enrichment (EE) reduces tumorigenesis by activating the mouse immune system, or affects tumor bearing animal survival by stimulating the wound repair response, including improved microbiome diversity, in the tumor microenvironment. Provided here is a detailed procedure to assess the effects of environmental enrichment on the biodiversity of the microbiome in a mouse colon tumor model...
February 28, 2018: Journal of Visualized Experiments: JoVE
Toshiaki Teratani, Kengo Tomita, Takahiro Suzuki, Hirotaka Furuhashi, Rie Irie, Makoto Nishikawa, Junji Yamamoto, Toshifumi Hibi, Soichiro Miura, Tohru Minamino, Yuichi Oike, Ryota Hokari, Takanori Kanai
Incidence of nonalcoholic steatohepatitis (NASH), which is considered a hepatic manifestation of metabolic syndrome, has been increasing worldwide with the rise in obesity; however, its pathological mechanism is poorly understood. Here, we demonstrate that the hepatic expression of aortic carboxypeptidase-like protein (ACLP), a glycosylated, secreted protein, increases in NASH in humans and mice. Furthermore, we elucidate that ACLP is a ligand, unrelated to WNT proteins, that activates the canonical WNT pathway and exacerbates NASH pathology...
March 19, 2018: Journal of Clinical Investigation
Negar Naderpoor, Jasmine G Lyons, Aya Mousa, Sanjeeva Ranasinha, Maximilian P J de Courten, Georgia Soldatos, Barbora de Courten
This corrects the article DOI: 10.1038/srep45522.
March 19, 2018: Scientific Reports
Ülkü Gül Şiraz, Deniz Okdemir, Gül Direk, Leyla Akın, Nihal Hatipoğlu, Mustafa Kendırcı, Selim Kurtoğlu
Rapid-onset obesity with hypoventilation, hypothalamic dysfunction and autonomic dysregulation (ROHHAD) syndrome is a rare disease that is difficult to diagnosis and distinguish from genetic obesity syndromes. The underlying causes of the disease has not been fully explained. Hypothalamic dysfunction causes endocrine problems, respiratory dysfunction and autonomic alterations. There are around 80 reported patients due to lack of recognition. We present two female patient suspected of ROHHAD due to weight gain since early childhood...
March 19, 2018: Journal of Clinical Research in Pediatric Endocrinology
May A Beydoun, Marie T Fanelli-Kuczmarski, Hind A Beydoun, Greg A Dore, Jose A Canas, Michele K Evans, Alan B Zonderman
The role of dairy foods and related nutrients in cardiometabolic health aetiology is poorly understood. We investigated longitudinal associations between the metabolic syndrome (MetS) and its components with key dairy product exposures. We used prospective data from a bi-racial cohort of urban adults (30-64 years at baseline (n 1371)), the Healthy Aging in Neighborhoods of Diversity across the Life Span (HANDLS), in Baltimore City, MD (2004-2013). The average of two 24-h dietary recalls measured 4-10 d apart was computed at baseline (V1) and follow-up (V2) waves...
March 2018: British Journal of Nutrition
Kadri Altundag
No abstract text is available yet for this article.
January 2018: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
Seraphim Dempsey, Seán Lyons, Anne Nolan
We examine the association between living in an urban area with more or less green space and the probability of being obese. This work involves the creation of a new dataset which combines geo-coded data at the individual level from the Irish Longitudinal Study on Ageing with green space data from the European Urban Atlas 2012. We find evidence suggestive of a u-shaped relationship between green space in urban areas and obesity; those living in areas with the lowest and highest shares of green space within a 1...
April 2018: SSM—Population Health
Zhou Zhou, Ming-Jiang Xu, Yan Cai, Wei Wang, Joy X Jiang, Zoltan V Varga, Dechun Feng, Pal Pacher, George Kunos, Natalie J Torok, Bin Gao
Background & Aims: Hepatic infiltration of neutrophils is a hallmark of steatohepatitis; however, the role of neutrophils in the progression of steatohepatitis remains unknown. Methods: A clinically relevant mouse model of steatohepatitis induced by high-fat diet (HFD) plus binge ethanol feeding was used. Liver fibrosis was examined. In vitro cell culture was used to analyze the interaction of hepatic stellate cells (HSCs) and neutrophils. Results: HFD plus one binge ethanol (HFD+1B) feeding induced significant hepatic neutrophil infiltration, liver injury, and fibrosis...
March 2018: Cellular and Molecular Gastroenterology and Hepatology
Ritu S Sharma, David J Harrison, Dorothy Kisielewski, Diane M Cassidy, Alison D McNeilly, Jennifer R Gallagher, Shaun V Walsh, Tadashi Honda, Rory J McCrimmon, Albena T Dinkova-Kostova, Michael L J Ashford, John F Dillon, John D Hayes
Background & Aims: Nonalcoholic steatohepatitis (NASH) is associated with oxidative stress. We surmised that pharmacologic activation of NF-E2 p45-related factor 2 (Nrf2) using the acetylenic tricyclic bis(cyano enone) TBE-31 would suppress NASH because Nrf2 is a transcriptional master regulator of intracellular redox homeostasis. Methods: Nrf2 +/+ and Nrf2 -/- C57BL/6 mice were fed a high-fat plus fructose (HFFr) or regular chow diet for 16 weeks or 30 weeks, and then treated for the final 6 weeks, while still being fed the same HFFr or regular chow diets, with either TBE-31 or dimethyl sulfoxide vehicle control...
March 2018: Cellular and Molecular Gastroenterology and Hepatology
N W Badri, S W Flatt, H S Barkai, B Pakiz, D D Heath, C L Rock
Background: Fasting glucose and homeostatic model assessment-insulin resistance (HOMA-IR) are important measures of the risk for metabolic syndrome and diabetes. Weight loss interventions are considered part of the first line of therapy for those who develop disease states associated with insulin resistance, such as pre-diabetes, diabetes, or metabolic syndrome. Sex differences in insulin resistance have been extensively reported, but sex differences in the ability to improve insulin sensitivity are not well-established...
2018: Journal of Obesity & Weight Loss Therapy
Allen Yan Lun Liu, Jiexun Wang, Milind Nikam, Boon Cheok Lai, Lee Ying Yeoh
Background: Acute kidney injury (AKI) is common in hospitalised patients. The relationship between body mass index (BMI) and the risk of having AKI for patients in the acute hospital setting is not known, particularly in the Asian population. Methods: This was a retrospective, single-centre, observational study conducted in Singapore, a multiethnic population. All patients aged ≥21 years and hospitalised from January to December 2013 were recruited. Results: A total of 12,555 patients were eligible for the analysis...
2018: International Journal of Nephrology
Michail Mantzios, Helen Egan, Henna Bahia, Misba Hussain, Rebecca Keyte
Contemporary research investigating obesity has focused on grazing (i.e. an uncontrolled and repetitive consumption of small amounts of food). Meanwhile, constructs such as mindfulness, mindful eating and self-compassion have received much attention in assisting individuals with eating behaviours and weight regulation. The association between those constructs and grazing, however, has not been explored. In a cross-sectional study, university students ( n  = 261) were recruited to explore the relationship of mindfulness, mindful eating and self-compassion with current weight and grazing...
January 2018: Health Psychology Open
Krystal M Sattler, Frank P Deane, Linda Tapsell, Peter J Kelly
Weight stigma is related to lower levels of motivation to exercise in overweight and obesity. This study explored the nature of the relationship between stigma, motivation to exercise and physical activity while accounting for gender differences. Participants were 439 adults with overweight and obesity (mean body mass index = 32.18 kg/m2 , standard deviation = 4.09 kg/m2 ). Females reported significantly more frequent stigma experiences than males. Mediation models found a conditional direct effect of weight stigma for males, with higher frequency of stigma experiences related to higher levels of walking and vigorous physical activity...
January 2018: Health Psychology Open
Bożenna Mytar, Małgorzata Stec, Rafał Szatanek, Kazimierz Węglarczyk, Katarzyna Szewczyk, Antoni Szczepanik, Grażyna Drabik, Jarek Baran, Maciej Siedlar, Monika Baj-Krzyworzeka
The three cell lines, designated as gastric cancer (GC)1401, GC1415 and GC1436 were derived from peritoneal effusions from patients with gastric adenocarcinoma. Cell lines were established in tissue culture and in immunodeficient, non-obese diabetic/severe combined immunodeficiency (NOD/SCID) mice. All cell lines were cultured in Dulbecco's modified Eagle's medium supplemented with 5% fetal bovine serum. These cell lines were grown as an adherent monolayer with doubling time ranging between 25 h (GC1436 cell line) and 30-34 h (GC1401 and GC1415, respectively)...
April 2018: Oncology Letters
Nurgul Sikhayeva, Yerkebulan Talzhanov, Aisha Iskakova, Jarkyn Dzharmukhanov, Raushan Nugmanova, Elena Zholdybaeva, Erlan Ramanculov
Background: Ethnic differences exist in the frequencies of genetic variations that contribute to the risk of common disease. This study aimed to analyse the distribution of several genes, previously associated with susceptibility to type 2 diabetes and obesity-related phenotypes, in a Kazakh population. Methods: A total of 966 individuals belonging to the Kazakh ethnicity were recruited from an outpatient clinic. We genotyped 41 common single nucleotide polymorphisms (SNPs) previously associated with type 2 diabetes in other ethnic groups and 31 of these were in Hardy-Weinberg equilibrium...
2018: Clinical Interventions in Aging
Qindong Sun, Nan Wang, Shancang Li, Hongyi Zhou
Recently, the online social networks (OSNs) have received considerable attentions as a revolutionary platform to offer users massive social interaction among users that enables users to be more involved in their own healthcare. The OSNs have also promoted increasing interests in the generation of analytical, data models in health informatics. This paper aims at developing an obesity identification, analysis, and estimation model, in which each individual user is regarded as an online social network 'sensor' that can provide valuable health information...
March 15, 2018: Journal of Biomedical Informatics
Tae-Woon Kim, Hye-Sang Park
Maternal obesity induces hippocampal functional changes and leads to deficits in cognitive functions, such as learning and memory in offspring. We investigated the protective effects of physical exercise against cognitive function deficit in offspring born to obese mothers. Neurotrophic factors, neurogenesis, and apoptosis were analyzed in the hippocampus and dentate gyrus of offspring. Four-week-old female rats were fed a high-fat diet (HFD) for 20 weeks: 12 weeks prior to mating, and 8 weeks during pregnancy and breast-feeding...
March 15, 2018: Behavioural Brain Research
Karen Nørgaard Nielsen, Julia Peics, Tao Ma, Iuliia Karavaeva, Morten Dall, Sabina Chubanava, Astrid L Basse, Oksana Dmytriyeva, Jonas T Treebak, Zachary Gerhart-Hines
OBJECTIVE: The ability of adipose tissue to expand and contract in response to fluctuations in nutrient availability is essential for the maintenance of whole-body metabolic homeostasis. Given the nutrient scarcity that mammals faced for millions of years, programs involved in this adipose plasticity were likely evolved to be highly efficient in promoting lipid storage. Ironically, this previously advantageous feature may now represent a metabolic liability given the caloric excess of modern society...
March 7, 2018: Molecular Metabolism
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