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https://www.readbyqxmd.com/read/28343310/steroidogenic-genes-expressions-are-repressed-by-high-levels-of-leptin-and-the-jak-stat-signaling-pathway-in-ma-10-leydig-cells
#1
David A Landry, François Sormany, Josée Haché, Pauline Roumaud, Luc J Martin
The adipose tissue is an important endocrine organ secreting numerous peptide hormones, including leptin. Increased circulating levels of leptin, as a result of hormonal resistance in obese individuals, may contribute to lower androgen production in obese males. However, the molecular mechanisms involved need to be better defined. Androgens are mainly produced by Leydig cells within the testis. In male rodents, activation of the leptin receptor modulates a cascade of intracellular signal transduction pathways which may lead to regulation of transcription factors having influences on steroidogenesis in Leydig cells...
March 25, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28343116/health-and-weight-gender-specific-linkages-under-heterogeneity-interdependence-and-resilience-factors
#2
Olaf Hübler
Many studies have shown that obesity is a serious health problem for our society. Empirical analyses often neglect a number of methodological issues and relevant influences on health. This paper investigates empirically whether neglecting these items leads to systematically different estimates. Based on data from the German Socio-Economic Panel, this study derives the following results. (1) Many combinations of weight and height lead to the same health status. (2) The relationship between health and body mass index is nonlinear...
March 11, 2017: Economics and Human Biology
https://www.readbyqxmd.com/read/28342988/an-anti-inflammatory-dietary-intervention-to-reduce-breast-cancer-recurrence-risk-study-design-and-baseline-data
#3
Amelie G Ramirez, Dorothy Long Parma, Edgar Muñoz, Kristin D Mendoza, Crystel Harb, Alan E C Holden, Michael Wargovich
U.S. breast cancer survivors (BCSs) are expected to increase to 4 million in the next 5-10years. Cancer recurrence risk is highest among obese survivors. Inflammatory (Pro-I) biomarkers including C-reactive protein (CRP), Interleukins -3, -6, and -8 (IL-3, IL-6, IL-8), and Tumor Necrosis Factor (TNF)-α have been associated with cancer recurrence risk. Nutritional interventions aimed at reducing inflammation (INF) may contribute to reduced cancer recurrence risk, but studies have been limited to animal models...
March 22, 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/28342948/waist-hip-ratio-better-predicts-development-of-severe-liver-disease-within-20-years-than-body-mass-index-a-population-based-cohort-study
#4
Anna Andreasson, Axel C Carlsson, Kristina Önnerhag, Hannes Hagström
BACKGROUND & AIMS: Obesity, commonly assessed based on body mass index (BMI), is associated with an increased risk for severe liver disease. It is not known if other measures of body composition are better determinants of risk for severe liver disease, and or if these differ between women and men. We investigated the body composition measures that best predict the development of severe liver disease. METHODS: We collected data from the Malmö Diet and Cancer study in Sweden, comprising 16,784 women and 10,833 (mean age, 58...
March 22, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28342901/the-sympathetic-neuro-adipose-connection-and-the-control-of-body-weight
#5
REVIEW
Inês Mahú, Ana I Domingos
In recent decades, obesity has become a global public health crisis irrespective of age or gender [21]. But according to historic records, concerns over appropriate maintenance of body size have been long established. For more than to 2 millennia, the main therapeutic approach to curb excess weight has been to recommend dietary restrictions and regular exercise (Haslam, 2016). Nevertheless, more contemporary studies indicate that the employment of such approaches in the treatment of severely obese patients causes metabolic adaptions which impair their long-term success in weight management [8]...
March 22, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28342765/hippocampal-insulin-resistance-and-altered-food-decision-making-as-players-on-obesity-risk
#6
REVIEW
Amanda Brondani Mucellini, Natasha Kim de Oliveira da Fonseca, Gisele Gus Manfro, Patrícia Pelufo Silveira
There are increasing evidences that hippocampus can modulate the decision of what, when and how much to eat, in addition to its already recognized role in learning and memory processes. Insulin also has been linked to brain functions such as feeding behavior and the imbalance of its mechanism of action on hippocampus is being related to cognitive dysfunction. The discussion here is whether changes in insulin action could contribute to intake dysregulation and obesogenic behavior as a primary consequence of impairing hippocampal functioning, aside from the role of this hormone on obesity development through peripheral metabolic pathways...
March 22, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28342757/role-of-enzymatic-free-radical-scavengers-in-management-of-oxidative-stress-and-autoimmune-disorders
#7
REVIEW
Shikha Srivastava, Deependra Singh, Satish Patel, Manju R Singh
Autoimmune disorders are distinct with over production and accumulation of free radicals due to its undisclosed genesis. The cause of numerous disorders as cancer, arthritis, psoriasis, diabetes, alzheimer's, cardiovascular disease, Parkinson's, respiratory distress syndrome, colitis, crohn's, pulmonary fibrosis, obesity and ageing have been associated with immune dysfunction and oxidative stress. In an oxidative stress, reactive oxygen species generally provoke the series of oxidation at cellular level. The buildup of free radicals in turn triggers various inflammatory cells causing release of various inflammatory interleukins, cytokines, chemokines, and tumor necrosis factors which mediate signal transduction and transcription pathways as nuclear factor- kappa B (NF-κB), signal transducer and activator of transcription 3 (STAT3), hypoxia-inducible factor-1 (HIF-1α) and nuclear factor-erythroid 2-related factor (Nrf2)...
March 22, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28342603/invited-review-the-anti-inflammatory-properties-of-dairy-lipids
#8
R Lordan, I Zabetakis
Dairy product consumption is often associated with negative effects because of its naturally high levels of saturated fatty acids. However, recent research has shown that dairy lipids possess putative bioactivity against chronic inflammation. Inflammation triggers the onset of several chronic diseases, including cardiovascular disease, type 2 diabetes mellitus, obesity, and cancer. This review discusses the anti-inflammatory properties of dairy lipids found in milk, yogurt, and cheese, and it examines them in relation to their implications for human health: their protective effects and their role in pathology...
March 22, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28342570/body-mass-index-is-associated-with-differential-rates-of-coronary-revascularization-after-cardiac-catheterization
#9
Tasuku Terada, Jeffrey A Johnson, Colleen Norris, Raj Padwal, Weiyu Qiu, Arya M Sharma, Jayan Nagendran, Mary Forhan
BACKGROUND: The association of obesity with coronary revascularization procedures is not clear. We examined rates of coronary artery bypass grafting (CABG) and percutaneous coronary intervention (PCI) associated with obesity while accounting for the severity of coronary disease and diabetes status. METHODS: Patients who underwent cardiac catheterization were stratified according to coronary anatomy risks and diabetes status. Within each stratum, using normal body mass index (BMI) (18...
December 29, 2016: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28342363/war-during-childhood-the-long-run-effects-of-warfare-on-health
#10
Mevlude Akbulut-Yuksel
This paper estimates the causal long-term consequences of an exposure to war in utero and during childhood on the risk of obesity and the probability of having a chronic health condition in adulthood. Using the plausibly exogenous city-by-cohort variation in the intensity of WWII destruction as a unique quasi-experiment, I find that individuals who were exposed to WWII destruction during the prenatal and early postnatal periods have higher BMIs and are more likely to be obese as adults. I also find an elevated incidence of chronic health conditions such as stroke, hypertension, diabetes, and cardiovascular disorder in adulthood among these wartime children...
March 7, 2017: Journal of Health Economics
https://www.readbyqxmd.com/read/28342338/antidepressants-and-risk-of-cataract-development-a-population-based-nested-case-control-study
#11
Po-Han Chou, Che-Sheng Chu, Yi-Huei Chen, Min-Yen Hsu, Min-Wei Huang, Tsuo-Hung Lan, Ching-Heng Lin
BACKGROUND: Previous studies demonstrated increased risk of cataract development among users of selective serotonin reuptake inhibitors (SSRIs). However, it remains unknown whether this risk also prevails with the use of other types of antidepressants. The aim of this study was to investigate whether use of antidepressants is associated with an increased risk of cataract development. Moreover, the relationship between binding affinities of serotonin transporter (SERT) of antidepressant and the risk of cataracts is examined...
March 18, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28342299/plasma-microrna-signature-predicting-weight-gain-among-mexican-american-women
#12
Hua Zhao, Jie Shen, Carrie Daniel-MacDougall, Xifeng Wu, Wong-Ho Chow
OBJECTIVE: There is growing evidence that circulating microRNAs (miRNAs) play an important role in obesity. However, whether they can contribute to adult weight gain is still unclear. METHODS: In the training set with 40 nonsmoking, healthy women identified from the Mano-A-Mano Mexican American Cohort study, global circulating miRNA profiles in plasma samples were assessed. Cox proportional hazard regression was used to assess the effects of plasma miRNAs on significant weight gain during a 5-year follow-up...
March 25, 2017: Obesity
https://www.readbyqxmd.com/read/28340495/residents-learning-curve-of-lumbar-transforaminal-epidural-steroid-injections
#13
Holger Joswig, Sarah Roberta Haile, Gerhard Hildebrandt, Martin Nikolaus Stienen
Background and Study Aims There is a paucity of literature on beginners' training and on its connection with patient safety for transforaminal epidural steroid injections (TFESIs). This study retrospectively assessed the learning curves and associated complications of neurosurgery residents never previously exposed to TFESI and compared them with experienced board-certified faculty neurosurgeons (BCFNs). Material and Methods Procedure time in minutes, dose-area product (DAP) in cGy*cm(2), periprocedural observations, and complications in 354 TFESIs for radicular pain secondary to lumbar disk herniation or lumbar spinal stenosis were extracted from operative notes and the electronic infiltration logbook in the per-injection format...
March 24, 2017: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/28340446/mental-health-and-behavioral-weight-loss-24-month-outcomes-in-veterans
#14
Carol A Janney, Robin M Masheb, Lesley D Lutes, Robert G Holleman, Hyungjin Myra Kim, Leah R Gillon, Laura J Damschroder, Caroline R Richardson
BACKGROUND: Individuals with mental health (MH) disorders have an increased risk of being overweight/obese; however research on behavioral weight loss interventions has been limited. A priori hypothesis was that Veterans with serious mental illness (SMI) and/or affective disorders (AD) would lose significantly less weight and have a different pattern of weight loss than Veterans without these diagnoses. METHODS: Secondary data analysis of ASPIRE-VA study, three-arm randomized, effectiveness weight loss trial among Veterans (n=409) categorized by MH diagnoses: 1) SMI, 2) AD without SMI, or 3) No SMI/No AD...
March 11, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28340302/does-the-type-of-activity-break-from-prolonged-sitting-differentially-impact-on-post-prandial-blood-glucose-reductions-an-exploratory-analysis
#15
Robyn N Larsen, Paddy C Dempsey, Francis Dillon, Megan Grace, Bronwyn A Kingwell, Neville Owen, David W Dunstan
Frequent breaks in prolonged sitting are associated beneficially with glycaemic control. However, the contribution of energy expenditure to these relationships has not been well characterised. In this exploratory analysis, data from three laboratory trials that standardised test meals, cohort characteristics (overweight/obese, sedentary), and break frequency and duration were pooled. Higher energy expenditures of different types of breaks (standing, light- or moderate-intensity walking) were associated with lower post-prandial glucose and insulin responses in a dose-dependent manner...
March 24, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28340156/the-impact-of-multicomponent-weight-management-interventions-on-self-esteem-in-overweight-and-obese-adolescents-a-systematic-review-and-meta-analysis
#16
Margaret Murray, Aimee L Dordevic, Maxine P Bonham
 Building self-esteem in overweight adolescents is key to long-term weight management; yet, self-esteem is rarely a key outcome of adolescent weight management interventions. This systematic review investigates the impact of multicomponent weight management interventions on self-esteem in overweight and obese adolescents.  Six databases were searched in December 2014. Eligible studies met the following criteria: (1) randomized controlled trial, (2) overweight or obese participants, (3) adolescents (10-19 years), (4) multicomponent weight management intervention, (5) reported self-esteem and weight changes...
March 10, 2017: Journal of Pediatric Psychology
https://www.readbyqxmd.com/read/28340132/the-impact-of-weight-and-weight-related-perceptions-on-smoking-status-among-young-adults-in-a-text-messaging-cessation-program
#17
Kisha I Coa, Erik Augustson, Annette Kaufman
Introduction: Weight gain and concerns about weight can influence a smoker's ability to successfully quit, and young adults are a subgroup of smokers who are particularly concerned about the impact of quitting on their body weight. This study explored the associations between body mass index (BMI), weight perceptions, and smoking status among young adults. Methods: The sample consisted of 4,027 young adults between the ages of 18 and 29 who participated in a randomized control trial of the National Cancer Institute's SmokefreeTXT program...
March 3, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28339980/pushing-the-limits-establishing-an-ultra-low-framerate-and-antiscatter-grid-less-radiation-protocol-for-left-atrial-ablations
#18
Philipp Attanasio, Tobias Schreiber, Burkert Pieske, Florian Blaschke, Leif-Hendrik Boldt, Wilhelm Haverkamp, Martin Huemer
Aims: Despite the use of 3D mapping systems and new developments of non-fluoroscopic options, most centres still rely at least in part on fluoroscopy for catheter visualization during catheter ablations. The purpose of this study was to assess the feasibility of using an ultra-low frame rate and antiscatter grid-less radiation protocol during complex left atrial ablations to minimize radiation exposure for the patient and staff. Methods and results: A total of 150 consecutive patients undergoing left atrial ablations in our hospital were included in the analysis...
March 4, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28339908/obesity-associated-cardiac-pathogenesis-in-broiler-breeder-hens-pathological-adaption-of-cardiac-hypertrophy1-2
#19
C Y Chen, H Y Lin, Y W Chen, Y J Ko, Y J Liu, Y H Chen, R L Walzem, S E Chen
Broiler hens consuming feed to appetite (ad libitum; AL) show increased mortality. Feed restriction (R) typically improves reproductive performance and livability of hens. Rapidly growing broilers can exhibit increased mortality due to cardiac insufficiency but it is unknown whether the increased mortality of non-R broiler hens is also due to cardiac compromise. To assess cardiac growth and physiology in fully mature birds, 45-week-old hens were either continued on R rations or assigned to AL feeding for 7 or 21 days...
March 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339815/relationships-between-standing-frontal-plane-knee-alignment-and-dynamic-knee-joint-loading-during-walking-and-jogging-in-youth-who-are-obese
#20
Matthew S Briggs, Sharon Bout-Tabaku, Michael P McNally, Ajit M W Chaudhari, Thomas M Best, Laura C Schmitt
Background: Youth who are obese have high risk of poor knee health and cartilage damage. Understanding factors which may affect knee health in youth who are obese is critical for preservation of knee integrity and function. Objective: Compare standing frontal plane knee alignment and knee loading patterns between youth who are obese and healthy-weight and determine the association between knee alignment and knee loading patterns during walking and jogging. Design: Cross sectional matched-pair...
February 28, 2017: Physical Therapy
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