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https://www.readbyqxmd.com/read/27933711/using-a-co-production-prioritization-exercise-involving-south-asian-children-young-people-and-their-families-to-identify-health-priorities-requiring-further-research-and-public-awareness
#1
Logan Manikam, Rakhee Shah, Kate Reed, Gupreet Santini, Monica Lakhanpaul
OBJECTIVES: To facilitate South Asian (SA) families and health-care professionals (HCPs) participation in a prioritization exercise to co-produce child health research and public awareness agendas. DESIGN: A three-stage process was adopted involving the following: (i) systematic literature review, (ii) HCP scoping survey and (iii) focus groups of SA adolescents and families. A Punjabi- and Urdu-speaking community facilitator moderated focus groups. A British Sign Language interpreter assisted in the hard of hearing group...
December 8, 2016: Health Expectations: An International Journal of Public Participation in Health Care and Health Policy
https://www.readbyqxmd.com/read/27933654/in-vitro-detection-of-diesel-exhaust-particles-induced-human-lung-carcinoma-epithelial-cells-damage-and-the-effect-of-resveratrol
#2
Qifei Li, Mingjie Tang, Anhong Zhou
People are taking up antioxidants in their daily diet and being exposed to a potential diesel exhaust particles (DEP)-containing environment. Thus it is important to study in vitro cellular responses when cells are exposed to DEP with or without antioxidant treatment. The investigation of DEP and resveratrol (RES) on cellular biophysical and biochemical changes is needed to better understand the mechanisms of DEP and RES in mammalian cells. A combination of two non-invasive techniques (atomic force microscopy, AFM, and Raman spectroscopy, RM) and multimodal tools were applied to evaluate the biophysical, biochemical alterations and cytokine, membrane potential and cell cycle of cells with or without RES pretreatment to different times of DEP exposure...
December 9, 2016: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/27933539/systems-genetics-analysis-of-iron-and-its-regulation-in-brain-and-periphery
#3
Byron C Jones, Leslie C Jellen
In this contribution, we demonstrate the utility of the systems genetics-systems biology approach to the study of iron regulation while employing a comprehensive database. We describe our work in iron regulation in the brain and periphery under normal iron and iron-restricted dietary conditions in the BXD family of recombinant inbred mouse strains. Using multiple measures, we showed wide variation among the strains in the effect of being fed an iron-restricted diet for 100 days in every measure from brain and from the periphery...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27933524/a-suite-of-tools-for-biologists-that-improve-accessibility-and-visualization-of-large-systems-genetics-datasets-applications-to-the-hybrid-mouse-diversity-panel
#4
Christoph D Rau, Mete Civelek, Calvin Pan, Aldons J Lusis
In this chapter we address the recent explosion in large multilevel population studies such as the METSIM study in humans as well as large panels of animal models such as the Hybrid Mouse Diversity Panel or the BXD set of recombinant inbred strains. These studies have harnessed the increasing affordability of large-scale high-throughput profiling to gather massive quantities of data. These datasets, spread across different -omics levels (genome, transcriptome, etc.), different tissues (e.g. heart, plasma, bone) and different environmental factors (e...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27933449/clearing-the-fog-a-review-of-the-effects-of-dietary-omega-3-fatty-acids-and-added-sugars-on-chemotherapy-induced-cognitive-deficits
#5
REVIEW
Tonya S Orchard, Monica M Gaudier-Diaz, Kellie R Weinhold, A Courtney DeVries
Cancer treatments such as chemotherapy have been an important part of extending survival in women diagnosed with breast cancer. However, chemotherapy can cause potentially toxic side effects in the brain that impair memory, verbal fluency, and processing speed in up to 30% of women treated. Women report that post-chemotherapy cognitive deficits negatively impact quality of life and may last up to ten years after treatment. Mechanisms underlying these cognitive impairments are not fully understood, but emerging evidence suggests that chemotherapy induces structural changes in the brain, produces neuroinflammation, and reduces adult hippocampal neurogenesis...
December 8, 2016: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/27933336/shp-1-activation-inhibits-vascular-smooth-muscle-cell-proliferation-and-intimal-hyperplasia-in-a-rodent-model-of-insulin-resistance-and-diabetes
#6
Weier Qi, Qian Li, Chong Wee Liew, Christian Rask-Madsen, Samuel M Lockhart, Lars Melholt Rasmussen, Yu Xia, Xuanchun Wang, Mogher Khamaisi, Kevin Croce, George L King
AIMS/HYPOTHESIS: Accelerated migration and proliferation of vascular smooth muscle cells (VSMCs) enhances arterial restenosis after angioplasty in insulin resistance and diabetes. Elevation of Src homology 2-containing protein tyrosine phosphatase 1 (SHP-1) induces apoptosis in the microvasculature. However, the role of SHP-1 in intimal hyperplasia and restenosis has not been clarified in insulin resistance and diabetes. METHODS: We used a femoral artery wire injury mouse model, rodent models with insulin resistance and diabetes, and patients with type 2 diabetes...
December 9, 2016: Diabetologia
https://www.readbyqxmd.com/read/27933334/improved-glycaemia-in-high-fat-fed-neprilysin-deficient-mice-is-associated-with-reduced-dpp-4-activity-and-increased-active-glp-1-levels
#7
Joshua R Willard, Breanne M Barrow, Sakeneh Zraika
AIM/HYPOTHESIS: Neprilysin, a widely expressed peptidase, is upregulated in metabolically altered states such as obesity and type 2 diabetes. Like dipeptidyl peptidase-4 (DPP-4), neprilysin can degrade and inactivate the insulinotropic peptide glucagon-like peptide-1 (GLP-1). Thus, we investigated whether neprilysin deficiency enhances active GLP-1 levels and improves glycaemia in a mouse model of high fat feeding. METHODS: Nep (+/+) and Nep (-/-) mice were fed a 60% fat diet for 16 weeks, after which active GLP-1 and DPP-4 activity levels were measured, as were glucose, insulin and C-peptide levels during an OGTT...
December 8, 2016: Diabetologia
https://www.readbyqxmd.com/read/27933296/modeling-diet-induced-obesity-with-obesity-prone-rats-implications-for-studies-in-females
#8
REVIEW
Erin D Giles, Matthew R Jackman, Paul S MacLean
Obesity is a worldwide epidemic, and the comorbidities associated with obesity are numerous. Over the last two decades, we and others have employed an outbred rat model to study the development and persistence of obesity, as well as the metabolic complications that accompany excess weight. In this review, we summarize the strengths and limitations of this model and how it has been applied to further our understanding of human physiology in the context of weight loss and weight regain. We also discuss how the approach has been adapted over time for studies in females and female-specific physiological conditions, such as menopause and breast cancer...
2016: Frontiers in Nutrition
https://www.readbyqxmd.com/read/27933186/effect-of-type-and-amount-of-dietary-carbohydrate-on-biomarkers-of-glucose-homeostasis-and-c-reactive-protein-in-overweight-or-obese-adults-results-from-the-omnicarb-trial
#9
Stephen P Juraschek, Edgar R Miller, Elizabeth Selvin, Vincent J Carey, Lawrence J Appel, Robert H Christenson, Frank M Sacks
OBJECTIVE: The glycemic index (GI) of dietary carbohydrate is thought to affect glucose homeostasis. Recently, the Effect of Amount and Type of Dietary Carbohydrates on Risk for Cardiovascular Heart Disease and Diabetes Study (OmniCarb) trial reported that a low-GI diet did not improve insulin sensitivity. We conducted this ancillary study of the OmniCarb trial to determine the effects of GI and carbohydrate content on glucose homeostasis and inflammation. RESEARCH DESIGN AND METHODS: OmniCarb was a randomized cross-over feeding study conducted in overweight or obese adults without diabetes (N=163)...
2016: BMJ Open Diabetes Research & Care
https://www.readbyqxmd.com/read/27933160/post-sensitization-administration-of-non-digestible-oligosaccharides-and-bifidobacterium-breve-m-16v-reduces-allergic-symptoms-in-mice
#10
Betty C A M van Esch, Suzanne Abbring, Mara A P Diks, Gemma M Dingjan, Lucien F Harthoorn, A Paul Vos, Johan Garssen
To support dietary management of severe cow's milk allergic infants, a synbiotic mixture of non-digestible oligosaccharides and Bifidobacterium breve M-16V (B. breve) was designed from source materials that are completely cow's milk-free. It was investigated whether this specific synbiotic concept can reduce an established food allergic response in a research model for hen's egg allergy. Mice were orally sensitized once a week for 5 weeks to ovalbumin (OVA) using cholera toxin (CT) as an adjuvant. Non-sensitized mice received CT in PBS only...
June 2016: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/27933093/long-term-consumption-of-an-obesogenic-high-fat-diet-prior-to-ischemia-reperfusion-mediates-cardioprotection-via-epac1-dependent-signaling
#11
F Edland, A Wergeland, R Kopperud, K S Åsrud, E A Hoivik, S L Witsø, R Æsøy, L Madsen, K Kristiansen, M Bakke, S O Døskeland, A K Jonassen
BACKGROUND: Obesity is still considered a risk factor for cardiovascular disease, although more recent knowledge also suggests obesity to be associated with reduced morbidity and mortality - the "obesity paradox". This study explores if long-term feeding of an obesogenic high fat diet renders the myocardium less susceptible to ischemic-reperfusion induced injury via Epac-dependent signaling. METHODS: Wild type (wt), Epac1 (Epac1(-/-)) and Epac2 (Epac2(-/-)) deficient mice were fed a high fat (HFD) or normal chow diet (ND) for 33 ± 1 weeks...
2016: Nutrition & Metabolism
https://www.readbyqxmd.com/read/27933062/no-role-for-mast-cells-in-obesity-related-metabolic-dysregulation
#12
Jindřich Chmelař, Antonios Chatzigeorgiou, Kyoung-Jin Chung, Marta Prucnal, David Voehringer, Axel Roers, Triantafyllos Chavakis
Obesity-related adipose tissue (AT) inflammation that promotes metabolic dysregulation is associated with increased AT mast cell numbers. Mast cells are potent inducers of inflammatory responses and could potentially contribute to obesity-induced AT inflammation and metabolic dysregulation. Conflicting findings were reported on obesity-related metabolic dysfunction in mast cell-deficient mice, thus creating a controversy that has not been resolved to date. Whereas traditional Kit hypomorphic mast cell-deficient strains featured reduced diet-induced obesity and diabetes, a Kit-independent model of mast cell deficiency, Cpa3(Cre/+) mice, displayed no alterations in obesity and insulin sensitivity...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27932989/hypoxic-living-and-exercise-training-alter-adipose-tissue-leptin-leptin-receptor-in-rats
#13
Yingli Lu, Lianshi Feng, Minhao Xie, Li Zhang, Jianfang Xu, Zihong He, Tongjian You
Background: Hypobaric hypoxia results in weight loss in obese individuals, and exercise training is advocated for the treatment of obesity and its related metabolic dysfunctions. The purpose of this study was to investigate the effects of hypoxic living and exercise training on obesity and adipose tissue leptin/leptin receptor in dietary-induced obese rats. Methods: One hundred and thirty high-fat diet fed Sprague-Dawley rats were assigned into one of the following groups (n = 10 each): control, sedentary hypoxic living for 1-4 weeks (SH1, SH2, SH3, and SH4), living, and exercise training in normoxic conditions for 1-4 weeks (TN1, TN2, TN3, and TN4), and living and exercise training in hypoxic conditions for 1-4 weeks (TN1, TN2, TN3, and TN4)...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27932940/retraction-the-improvement-of-large-high-density-lipoprotein-hdl-particle-levels-and-presumably-hdl-metabolism-depend-on-effects-of-low-carbohydrate-diet-and-weight-loss
#14
C Finelli, P Crispino, S Gioia, N La Sala, L D'amico, M La Grotta, O Miro, D Colarusso
[This retracts the article DOI: 10.17179/excli2015-642.].
2016: EXCLI journal
https://www.readbyqxmd.com/read/27932684/standardizing-the-microbiota-of-fish-used-in-research
#15
REVIEW
I N Vatsos
Little attention has been paid to the effects of fish microbiotas on the reproducibility and comparability of fish studies so far. Extrinsic and intrinsic factors, such as water quality, environmental microbial populations, diet, host genetic profile, gender, age and stress status, affect fish microbiotas and create significant inter- and intra-species variations. Fish microbiotas play critical roles in many key aspects of host physiology, such as protection against pathogens, digestion and development of the digestive tract and the local immune system...
December 8, 2016: Laboratory Animals
https://www.readbyqxmd.com/read/27932589/sex-and-race-ethnicity-differences-in-following-dietary-and-exercise-recommendations-for-u-s-representative-sample-of-adults-with-type-2-diabetes
#16
Joan A Vaccaro, Fatma G Huffman
This study examined sex by race/ethnicity differences in medical advice received for diet and exercise with corresponding health behaviors of a U.S. representative sample of adults with type 2 diabetes (N = 1,269). Data from the National Health and Nutrition Examination Surveys for 2011-2014 for 185 Mexican Americans, 123 Other Hispanics, 392 non-Hispanic Blacks, 140 non-Hispanic Asians, and 429 non-Hispanic Whites were analyzed using logistic regression analyses. Reporting being given dietary and exercise advice was positively associated with reporting following the behavior...
December 7, 2016: American Journal of Men's Health
https://www.readbyqxmd.com/read/27932556/orally-administered-berberine-modulates-hepatic-lipid-metabolism-by-altering-microbial-bile-acid-metabolism-and-the-intestinal-fxr-signaling-pathway
#17
Runbin Sun, Na Yang, Bo Kong, Bei Cao, Dong Feng, Xiaoyi Yu, Chun Ge, Jingqiu Huang, Jianliang Shen, Pei Wang, Siqi Feng, Fei Fei, Jiahua Guo, Jun He, Nan Aa, Qiang Chen, Yang Pan, Justin D Schumacher, Chung S Yang, Grace L Guo, Jiye Aa, Guangji Wang
Previous studies suggest that the lipid-lowering effect of BBR involves actions on the LDL receptor and the AMPK signaling pathways. However, the implication of these mechanisms is unclear because of the low bioavailability of BBR. Because the main action site of BBR is the gut and intestinal FXR plays a pivotal role in the regulation of lipid metabolism, we hypothesized that the effects of BBR on intestinal FXR signaling pathway might account for its pharmacological effectiveness. Using wild type (WT) and intestine-specific FXR knockout (FXRint-/-) mice, we found that BBR prevented the development of high-fat-diet induced obesity and ameliorated triglyceride accumulation in livers of WT, but not FXRint-/- mice...
December 8, 2016: Molecular Pharmacology
https://www.readbyqxmd.com/read/27932476/high-fat-diet-induced-lysosomal-dysfunction-and-impaired-autophagic-flux-contribute-to-lipotoxicity-in-the-kidney
#18
Takeshi Yamamoto, Yoshitsugu Takabatake, Atsushi Takahashi, Tomonori Kimura, Tomoko Namba, Jun Matsuda, Satoshi Minami, Jun-Ya Kaimori, Isao Matsui, Taiji Matsusaka, Fumio Niimura, Motoko Yanagita, Yoshitaka Isaka
Excessive fat intake contributes to the progression of metabolic diseases via cellular injury and inflammation, a process termed lipotoxicity. Here, we investigated the role of lysosomal dysfunction and impaired autophagic flux in the pathogenesis of lipotoxicity in the kidney. In mice, a high-fat diet (HFD) resulted in an accumulation of phospholipids in enlarged lysosomes within kidney proximal tubular cells (PTCs). In isolated PTCs treated with palmitic acid, autophagic degradation activity progressively stagnated in association with impaired lysosomal acidification and excessive lipid accumulation...
December 8, 2016: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/27932378/chronic-ethanol-consumption-and-thiamine-deficiency-modulate-%C3%AE-amyloid-peptide-level-and-oxidative-stress-in-the-brain
#19
Yu-Shi Gong, Juan Guo, Kun Hu, Yong-Qing Gao, Fang-Li Hou, Feng-Lin Song, Cui-Yi Liang
AIMS: The effects of chronic ethanol (EtOH) consumption, associated or not with thiamine deficiency (TD), on β-amyloid peptide (Aβ) level and oxidative stress in the brain were studied in male C57BL/6 mice. METHODS: Mice were prepared by feeding with an EtOH liquid diet, thiamine-depleted liquid diet and a thiamine-depleted EtOH liquid diet for 7 weeks. Biochemical parameters were measured by corresponding commercial kits. RESULTS: EtOH consumption or TD induced a significant decrease in the thiamine level, but induced increased in the β-amyloid peptide 1-42 and β-amyloid peptide 1-40 (Aβ1-40) levels...
December 7, 2016: Alcohol and Alcoholism: International Journal of the Medical Council on Alcoholism
https://www.readbyqxmd.com/read/27932352/local-vascular-gene-therapy-with-apolipoprotein-a-i-to-promote-regression-of-atherosclerosis
#20
Bradley K Wacker, Nagadhara Dronadula, Jingwan Zhang, David A Dichek
OBJECTIVE: Gene therapy, delivered directly to the blood vessel wall, could potentially prevent atherosclerotic lesion growth and promote atherosclerosis regression. Previously, we reported that a helper-dependent adenoviral (HDAd) vector expressing apolipoprotein A-I (apoA-I) in carotid endothelium of fat-fed rabbits reduced early (4 weeks) atherosclerotic lesion growth. Here, we tested whether the same HDAd-delivered to the existing carotid atherosclerotic lesions-could promote regression...
December 8, 2016: Arteriosclerosis, Thrombosis, and Vascular Biology
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