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https://www.readbyqxmd.com/read/29454302/aerobic-exercise-inhibits-obesity-induced-respiratory-phenotype
#1
Jefferson Comin Jonco Aquino-Junior, BreAnne MacKenzie, Ana Roberta Almeida-Oliveira, Ana Carolina Martins, Manoel Carneiro Oliveira-Junior, Auriléa Aparecida Britto, Fernanda Magalhaes Arantes-Costa, Nilsa Regina Damaceno-Rodrigues, Elia Garcia Caldini, Ana Paula Ligeiro de Oliveira, Dioze Guadagnini, Luiz Osorio Leiria, Djalma Rabelo Ricardo, Mario Jose Abdalla Saad, Rodolfo Paula Vieira
PURPOSE: Obesity results in decreased lung function and increased inflammation. Moderate aerobic exercise (AE) reduced lung inflammation and remodeling in a variety of respiratory disease models. Therefore, this study investigated whether AE can attenuate a diet-induced obesity respiratory phenotype; including airway hyper-responsiveness (AHR), remodeling and inflammation. METHODS: Sixty C57Bl/6 male mice were distributed into four groups: control lean (CL), exercise lean (EL), obese (O) and obese exercise (OE) groups (2 sets of 7 and 8 mice per group; n = 15)...
February 14, 2018: Cytokine
https://www.readbyqxmd.com/read/29449326/fatty-acid-synthase-mediates-egfr-palmitoylation-in-egfr-mutated-non-small-cell-lung-cancer
#2
Azhar Ali, Elena Levantini, Jun Ting Teo, Julian Goggi, John G Clohessy, Chan Shuo Wu, Leilei Chen, Henry Yang, Indira Krishnan, Olivier Kocher, Junyan Zhang, Ross A Soo, Kishore Bhakoo, Tan Min Chin, Daniel G Tenen
Metabolic reprogramming is widely known as a hallmark of cancer cells to allow adaptation of cells to sustain survival signals. In this report, we describe a novel oncogenic signaling pathway exclusively acting in mutated epidermal growth factor receptor (EGFR) non-small cell lung cancer (NSCLC) with acquired tyrosine kinase inhibitor (TKI) resistance. Mutated EGFR mediates TKI resistance through regulation of the fatty acid synthase (FASN), which produces 16-C saturated fatty acid palmitate. Our work shows that the persistent signaling by mutated EGFR in TKI-resistant tumor cells relies on EGFR palmitoylation and can be targeted by Orlistat, an FDA-approved anti-obesity drug...
February 15, 2018: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/29446981/diet-pattern-and-respiratory-morbidity-in-the-atherosclerosis-risk-in-communities-study
#3
Emily P Brigham, Lyn M Steffen, Stephanie J London, Danielle Boyce, Gregory B Diette, Nadia N Hansel, Jessica Rice, Meredith C McCormack
RATIONALE: Dietary intake is a potential risk factor for respiratory morbidity in adult populations. Few studies capture the effect of diet patterns, representative of combination of nutrients consumed, on respiratory morbidity in combination with objective measures of lung function. OBJECTIVES: To evaluate patterns of dietary intake in relation to respiratory morbidity and objective measures of lung function in a U.S. POPULATION: <AbstractText Label="METHODS" NlmCategory="METHODS">The Atherosclerosis Risk in Communities (ARIC) Study enrolled 15,792 participants from four U...
February 15, 2018: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29445341/celastrol-alleviates-airway-hyperresponsiveness-and-inhibits-th17-responses-in-obese-asthmatic-mice
#4
Zeyu Zeng, Xixi Lin, Rongying Zheng, Hui Zhang, Weixi Zhang
Severe airway hyperresponsiveness (AHR) is a clinical feature of asthma, which has been associated with obesity and has shown a poor response to standard asthma treatments such as glucocorticoids. Numerous studies have shown that Interleukin (IL)-17 producing CD4 + T cells (Th17 cells), which could be inhibited by celastrol, is essential in mediating steroid-resistant AHR. The following study investigates the impact of celastrol and its mechanism on the regulation of AHR in murine model of obesity and asthma...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29420086/a-review-of-obesity-and-asthma-across-the-life-span
#5
Faiza Khalid, Fernando Holguin
OBJECTIVE: This literature review aims to compare obese-asthmatic adults and children, and to characterize differences and similarities between the two subgroups from epidemiological, demographical, phenotypical, and physiological perspectives. METHODS: Literature search was conducted using Pubmed database with "obesity," "asthma," "epidemiology," "cluster analysis," "demography," "mechanics," and ''FeNO'' as search terms. METHODS: Articles investigating epidemiological, demographic, phenotypical variation, and mechanical aspects of breathing specifically in obese asthmatics were identified...
February 8, 2018: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/29408186/physical-activity-correlates-in-people-with-mild-cognitive-impairment-findings-from-six-low-and-middle-income-countries
#6
D Vancampfort, E Lara, B Stubbs, N Swinnen, M Probst, A Koyanagi
OBJECTIVES: Despite promising research showing that physical activity (PA) might improve cognitive functioning in people with mild cognitive impairment (MCI), people with MCI are less physically active compared with the general population. Therefore, the aim of this study was to assess PA correlates among community-dwelling older people with MCI in six low- and middle-income countries. DESIGN: Cross-sectional data from the World Health Organization's Study on Global Ageing and Adult Health were analysed...
February 1, 2018: Public Health
https://www.readbyqxmd.com/read/29399756/cardiovascular-risk-assessment-cardiovascular-disease-risk-factors-and-lung-function-parameters
#7
Maciej Polak, Agnieszka Doryńska, Krystyna Szafraniec, Andrzej Pająk
BACKGROUND: Decreased lung function is related to higher cardiovascular disease (CVD) incidence and mortality. However, little is known about the relationship between the risk factors of CVD and pulmonary function. AIM: To assess the relationship between the prevalence of cardiovascular risk factors, the total CVD risk and pulmonary function. METHODS: The analysis included 4,104 men and women in the age range of 45-69 years, participants of the Polish part of the HAPIEE Project (Health,Alcohol andPsychosocial factorsInEasternEurope), who provided valid measurements of 1s forced expiratory volume (FEV₁) and forced vital capacity (FVC) using Micro-Medical Microplus spirometer...
February 5, 2018: Kardiologia Polska
https://www.readbyqxmd.com/read/29398139/cardiomyocyte-specific-deletion-of-gsk-3%C3%AE-leads-to-cardiac-dysfunction-in-a-diet-induced-obesity-model
#8
Manisha Gupte, Samvruta Tumuluru, Jennifer Y Sui, Anand Prakash Singh, Prachi Umbarkar, Shan S Parikh, Firdos Ahmad, Qinkun Zhang, Thomas Force, Hind Lal
BACKGROUND AND RATIONALE: Obesity, an independent risk factor for the development of myocardial diseases is a growing healthcare problem worldwide. It's well established that GSK-3β is critical to cardiac pathophysiology. However, the role cardiomyocyte (CM) GSK-3β in diet-induced cardiac dysfunction is unknown. METHODS: CM-specific GSK-3β knockout (CM-GSK-3β-KO) and littermate controls (WT) mice were fed either a control diet (CD) or high-fat diet (HFD) for 55weeks...
February 2, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29382799/body-mass-index-status-and-peripheral-airway-obstruction-in-school-age-children-a-population-based-cohort-study
#9
Sandra Ekström, Jenny Hallberg, Inger Kull, Jennifer L P Protudjer, Per Thunqvist, Matteo Bottai, Per Magnus Gustafsson, Anna Bergström, Erik Melén
BACKGROUND: Few large prospective studies have investigated the impact of body mass index (BMI) on lung function during childhood. METHODS: Using data collected between 2002 and 2013, we analysed associations between BMI status and lung function (assessed by spirometry) from 8 to 16 years, as well as cross-sectional associations with small airway function (impulse oscillometry) at 16 years in the BAMSE cohort (n=2889). At 16 years, cross-sectional associations with local and systemic inflammation were investigated by analysing FENO, blood eosinophils and neutrophils...
January 29, 2018: Thorax
https://www.readbyqxmd.com/read/29354484/shortness-of-breath-in-clinical-practice-a-case-for-left-atrial-function-and-exercise-stress-testing-for-a-comprehensive-diastolic-heart-failure-workup
#10
REVIEW
Pupalan Iyngkaran, Nagesh S Anavekar, Christopher Neil, Liza Thomas, David L Hare
The symptom cluster of shortness of breath (SOB) contributes significantly to the outpatient workload of cardiology services. The workup of these patients includes blood chemistry and biomarkers, imaging and functional testing of the heart and lungs. A diagnosis of diastolic heart failure is inferred through the exclusion of systolic abnormalities, a normal pulmonary function test and normal hemoglobin, coupled with diastolic abnormalities on echocardiography. Differentiating confounders such as obesity or deconditioning in a patient with diastolic abnormalities is difficult...
December 26, 2017: World Journal of Methodology
https://www.readbyqxmd.com/read/29351902/targeting-the-sphk1-s1p-s1pr1-axis-that-links-obesity-chronic-inflammation-and-breast-cancer-metastasis
#11
Masayuki Nagahashi, Akimitsu Yamada, Eriko Katsuta, Tomoyoshi Aoyagi, Wei-Ching Huang, Krista P Terracina, Nitai C Hait, Jeremy C Allegood, Junko Tsuchida, Kizuki Yuza, Masato Nakajima, Manabu Abe, Kenji Sakimura, Sheldon Milstien, Toshifumi Wakai, Sarah Spiegel, Kazuaki Takabe
Although obesity with associated inflammation is now recognized as a risk factor for breast cancer and distant metastases, the functional basis for these connections remain poorly understood. Here we show that in breast cancer patients and in animal breast cancer models, obesity is a sufficient cause for increased expression of the bioactive sphingolipid mediator sphingosine-1-phosphate (S1P) which mediates cancer pathogenesis. A high fat diet was sufficient to upregulate expression of sphingosine kinase 1 (SphK1), the enzyme that produces S1P, along with its receptor S1PR1 in syngeneic and spontaneous breast tumors...
January 19, 2018: Cancer Research
https://www.readbyqxmd.com/read/29332017/insulin-resistance-and-lung-function-in-obese-asthmatic-pre-pubertal-children
#12
Paola Di Filippo, Alessandra Scaparrotta, Daniele Rapino, Tommaso de Giorgis, Marianna Immacolata Petrosino, Marina Attanasi, Sabrina Di Pillo, Francesco Chiarelli, Angelika Mohn
BACKGROUND: Recent findings have supposed that the underlying association between the increased prevalence of both asthma and obesity may be insulin resistance (IR). METHODS: Insulin and glucose serum levels were analyzed to calculate the homeostatic model assessment of insulin resistance (HOMA-IR) for IR in 98 pre-pubertal children. Lung function and allergy status evaluation were performed. The study population was divided into four groups: (1) obese asthmatic children (ObA); (2) normal-weight asthmatic children (NwA); (3) normal-weight non-asthmatic children (Nw) and (4) obese non-asthmatic children (Ob)...
January 26, 2018: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/29325023/the-extending-spectrum-of-npc1-related-human-disorders-from-niemann-pick-c1-disease-to-obesity
#13
Amel Lamri, Marie Pigeyre, William S Garver, David Meyre
The Niemann-Pick C1 (NPC1) protein regulates the transport of cholesterol and fatty acids from late endosomes / lysosomes and has a central role in maintaining lipid homeostasis. NPC1 loss-of-function mutations in humans cause NPC1 disease, a rare autosomal-recessive lipid-storage disorder characterized by progressive and lethal neurodegeneration, liver and lung failure, due to cholesterol infiltration. In humans, genome wide association studies (GWAS) and post-GWAS reports highlight the implication of common variants in NPC1 in adult-onset obesity, body fat mass, and type 2 diabetes...
January 9, 2018: Endocrine Reviews
https://www.readbyqxmd.com/read/29322917/identification-of-natural-antimicrobial-peptides-from-bacteria-through-metagenomic-and-metatranscriptomic-analysis-of-high-throughput-transcriptome-data-of-taiwanese-oolong-teas
#14
Kai-Yao Huang, Tzu-Hao Chang, Jhih-Hua Jhong, Yu-Hsiang Chi, Wen-Chi Li, Chien-Lung Chan, K Robert Lai, Tzong-Yi Lee
BACKGROUND: Anti-microbial peptides (AMPs), naturally encoded by genes and generally containing 12-100 amino acids, are crucial components of the innate immune system and can protect the host from various pathogenic bacteria and viruses. In recent years, the widespread use of antibiotics has resulted in the rapid growth of antibiotic-resistant microorganisms that often induce critical infection and pathogenesis. Recently, the advent of high-throughput technologies has led molecular biology into a data surge in both the amount and scope of data...
December 21, 2017: BMC Systems Biology
https://www.readbyqxmd.com/read/29302585/high-intensity-interval-training-increases-natural-killer-cell-number-and-function-in-obese-breast-cancer-challenged-mice-and-obese-women
#15
Nicole G Barra, Isabella Y Fan, Jenna B Gillen, Marianne Chew, Katarina Marcinko, Gregory R Steinberg, Martin J Gibala, Ali A Ashkar
High intensity interval training (HIIT) boosts natural killer (NK) cell number and activity in normal weight breast cancer patients; however, whether this occurs in obese individuals is not well established. The goal of this study was to determine whether HIIT effectively boosts NK cells as a therapeutic strategy against breast cancer in an obese mouse model and in overweight/obese women. Diet induced female C57Bl/6 obese mice were assigned to undergo HIIT for four weeks or remain sedentary. Female participants were subjected to a six weeks HIIT protocol...
December 2017: Journal of Cancer Prevention
https://www.readbyqxmd.com/read/29301349/associations-of-serum-25-oh-d-concentrations-with-lung-function-airway-inflammation-and-common-cold-in-the-general-population
#16
Rachida Rafiq, Willemien Thijs, Robert Prein, Renate T de Jongh, Christian Taube, Pieter S Hiemstra, Renée de Mutsert, Martin den Heijer
Vitamin D is hypothesized to have a beneficial effect on lung function and respiratory infections. The aim of this study was to assess the relationship of serum 25-hydroxyvitamin D (25(OH)D) concentrations with lung function, airway inflammation and common colds. We performed a cross-sectional analysis in the Netherlands Epidemiology of Obesity (NEO) study, a population-based cohort study. We included participants with measurements of serum 25(OH)D, Forced Expiratory Volume in 1 s (FEV₁), Forced Vital Capacity (FVC), Fractional Exhaled Nitric Oxide (FeNO), and data on self-reported common colds (n = 6138)...
January 3, 2018: Nutrients
https://www.readbyqxmd.com/read/29288691/a-prospective-study-of-the-impact-of-diabetes-mellitus-on-restrictive-and-obstructive-lung-function-impairment-the-saku-study
#17
Nao Sonoda, Akiko Morimoto, Yukako Tatsumi, Kei Asayama, Takayoshi Ohkubo, Satoshi Izawa, Yuko Ohno
BACKGROUND: To assess the impact of diabetes on restrictive and obstructive lung function impairment. METHODS: This 5-year prospective study included 7524 participants aged 40-69years without lung function impairment at baseline who underwent a comprehensive medical check-up between April 2008 and March 2009 at Saku Central Hospital. Diabetes was defined by fasting plasma glucose ≥7.0mmol/l (126mg/dl), HbA1c≥6.5% (48mmol/mol), or a history of diabetes, as determined by interviews conducted by the physicians...
December 28, 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29238222/the-burden-of-selected-cancers-in-the-us-health-behaviors-and-health-care-resource-utilization
#18
Laura Iadeluca, Jack Mardekian, Pratibha Chander, Markay Hopps, Geoffrey T Makinson
Objective: To characterize the disease burden among survivors of those cancers having the highest incidence in the US. Methods: Adult (≥18 years) survivors of the 11 most frequently diagnosed cancers were identified from publically available data sources, including the Surveillance Epidemiology and End Results 9 1973-2012, National Health Interview Survey 2013, and the Medical Expenditure Panel Survey 2011. Chi-square tests and one-way analyses of variance were utilized to assess differences between cancer survivors and non-cancer controls in behavioral characteristics, symptoms and functions, preventative screenings, and health care costs...
2017: Cancer Management and Research
https://www.readbyqxmd.com/read/29238123/epidemiology-triggers-and-severity-of-childhood-asthma-in-ilesa-nigeria-implications-for-management-and-control
#19
Bankole Peter Kuti, Kehinde Oluyori Omole
Background: Knowledge about childhood asthma in a locality will assist clinicians to adequately manage the condition. This study set out to report the epidemiology, triggers of exacerbation, comorbid conditions, and severity of childhood asthma at a tertiary health facility in Nigeria and the implication of these, in management and symptoms control. Methods: Over a 15-month study period, children (aged <15 years) with physician-diagnosed asthma were consecutively recruited at the pediatric chest clinic of the hospital...
January 2017: Nigerian Medical Journal: Journal of the Nigeria Medical Association
https://www.readbyqxmd.com/read/29229080/association-of-adiposity-with-pulmonary-function-in-older-chinese-guangzhou-biobank-cohort-study
#20
Jing Pan, Lin Xu, Tai Hing Lam, Chao Qiang Jiang, Wei Sen Zhang, Ya Li Jin, Feng Zhu, Tong Zhu, G Neil Thomas, Kar Keung Cheng, Peymane Adab
OBJECTIVE: We examined the association between different adiposity indices and pulmonary function in Chinese adults in the Guangzhou Biobank Cohort Study (GBCS). METHODS: Participants with body mass index (BMI) < 18.5 (underweight) were excluded. Adiposity indices including BMI, waist circumference (WC), waist hip ratio, waist height ratio and body fat percentage were measured. Lung function was assessed by spirometry using a turbine flowmeter. We analyzed percent predicted for forced expiratory volume in 1 s (FEV1%), forced vital capacity (FVC %) and restrictive respiratory defect (FEV1/FVC ratio > low limits of normal and FVC % <0...
November 2017: Respiratory Medicine
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