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https://www.readbyqxmd.com/read/28214901/protective-effects-of-fluvastatin-on-reproductive-function-in-obese-male-rats-induced-by-high-fat-diet-through-enhanced-signaling-of-mtor
#1
Xiangrong Cui, Chunlan Long, Jing Zhu, Jie Tian
BACKGROUND: Statins can reduce reproductive damage induced by obesity or high-fat diet (HFD), but the specific regulatory mechanisms are largely unknown. Since mTOR/p70s6k sinaling promotes spermatogonia proliferation and spermatogenesis, we hypothesized that this pathway will be involved in the protective effects of statin in HFD-induced reproductive dysfunction. METHODS: Male Sprague Dawley rats (3 weeks old) were randomly divided into a control group (standard diet), HFD group, and a fluvastatin group (HFD + fluvastatin at 6mg/kg, once daily by oral gavage)...
February 3, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214881/attenuation-of-low-ambient-temperature-induced-myocardial-hypertrophy-by-atorvastatin-via-promoting-bcl-2-expression
#2
Jing Liang, Kun Yin, Xuefeng Cao, Zhenbo Han, Qi Huang, Lai Zhang, Wenya Ma, Fengzhi Ding, Chongwei Bi, Dan Feng, Zhenwei Pan, Yu Liu
BACKGROUND/AIMS: It is well documented that myocardial hypertrophy is associated with low ambient temperature. Atorvastatin (Atv) has been shown to protect against atherosclerosis, cardiac fibrosis, ischemia/reperfusion injury, etc. In this study, we aim to determine whether atorvastatin is effective in the treatment of myocardial hypertrophy induced by cold exposure and to shed light on underlying mechanism. METHODS: The mice aged 4-week were randomized to Control (Ctl) group (raised at room temperature), Cold group (raised at 3-5ºC) and Atv treatment group (raised at 3-5ºC followed by 10mg/kg/day Atv infusion)...
January 24, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214756/multifarious-applications-of-atomic-force-microscopy-in-forensic-science-investigations
#3
REVIEW
Gaurav Pandey, Maithri Tharmavaram, Deepak Rawtani, Sumit Kumar, Y Agrawal
Forensic science is a wide field comprising of several subspecialties and uses methods derived from natural sciences for finding criminals and other evidence valid in a legal court. A relatively new area; Nano-forensics brings a new era of investigation in forensic science in which instantaneous results can be produced that determine various agents such as explosive gasses, biological agents and residues in different crime scenes and terrorist activity investigations. This can be achieved by applying Nanotechnology and its associated characterization techniques in forensic sciences...
February 11, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28214616/exploring-factors-influencing-low-back-pain-in-people-with-non-dysvascular-lower-limb-amputation-a-national-survey
#4
Hemakumar Devan, Paul Hendrick, Leigh Hale, Allan Carman, Michael P Dillon, Daniel Cury Ribeiro
BACKGROUND: Chronic low back pain (LBP) is a common musculoskeletal impairment in people with lower limb amputation. Given the multifactorial nature of LBP, exploring the factors influencing the presence and intensity of LBP is warranted. OBJECTIVE: To investigate which physical, personal, and amputee-specific factors predicted presence and intensity of low back pain (LBP) in persons with non-dysvascular transfemoral (TFA) and transtibial amputation (TTA). DESIGN: A retrospective cross-sectional survey SETTING: A national random sample of people with non-dysvascular TFA and TTA...
February 15, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28214539/lumbee-traditional-medicine-neuroprotective-activities-of-medicinal-plants-used-to-treat-parkinson-s-disease-related-symptoms
#5
Aurélie de Rus Jacquet, Michael Timmers, Sin Ying Ma, Andrew Thieme, George P McCabe, Jay Hansford C Vest, Mary Ann Lila, Jean-Christophe Rochet
ETHNOPHARMACOLOGICAL RELEVANCE: Parkinson's disease (PD) is a neurodegenerative disorder characterized by a loss of dopaminergic neurons in the substantia nigra pars compacta and the presence in surviving neurons of Lewy body inclusions enriched with aggregated forms of the presynaptic protein α-synuclein (aSyn). Although current therapies provide temporary symptomatic relief, they do not slow the underlying neurodegeneration in the midbrain. In this study, we analyzed contemporary herbal medicinal practices used by members of the Lumbee tribe to treat PD-related symptoms, in an effort to identify safe and effective herbal medicines to treat PD...
February 15, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28214531/the-skeletal-developmental-toxicity-of-chlormequat-chloride-and-its-underlying-mechanisms
#6
Dan Huang, Shuang Wu, Xiaohong Hou, Lixia Jia, Qinghe Meng, Hongqian Chu, Jianjun Jiang, Lanqin Shang, Weidong Hao
Chlormequat Chloride (CCC), a widely used plant growth regulator, could decrease body weight in animals; however, the mechanism has not been well studied. This study was designed to evaluate the skeletal development toxicity of CCC on pubertal male Sprague-Dawley (SD) rats and to investigate whether CCC impacts the development of chondrocyte, osteoblast and osteoclast through growth hormone (GH) and insulin like growth factor 1 (IGF-I). Rats from 23 to 70 on postnatal days were exposed to CCC daily by gavage at doses of 0, 75, 150, and 300mg/kg bw/d...
February 15, 2017: Toxicology
https://www.readbyqxmd.com/read/28214526/recent-advances-in-human-genetics-and-epigenetics-of-adiposity-pathway-to-precision-medicine
#7
Tove Fall, Michael Mendelson, Elizabeth K Speliotes
Obesity is a heritable trait that contributes to substantial global morbidity and mortality. Here, we summarize findings from the last decade of genetic and epigenetic research focused on unravelling the underpinnings of adiposity. More than 140 genetic regions are now known to influence adiposity traits. The genetics of general adiposity, as measured by body mass index, and that of abdominal obesity, as measured by waist to hip ratio, have distinct biological backgrounds. Expression of genes associated with general adiposity are enriched in the nervous system...
February 15, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28213867/re-establishment-of-rigor-mortis-evidence-for-a-considerably-longer-post-mortem-time-span
#8
Chiara Crostack, Susanne Sehner, Tobias Raupach, Sven Anders
Re-establishment of rigor mortis following mechanical loosening is used as part of the complex method for the forensic estimation of the time since death in human bodies and has formerly been reported to occur up to 8-12 h post-mortem (hpm). We recently described our observation of the phenomenon in up to 19 hpm in cases with in-hospital death. Due to the case selection (preceding illness, immobilisation), transfer of these results to forensic cases might be limited. We therefore examined 67 out-of-hospital cases of sudden death with known time points of death...
February 17, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28213866/5-aminosalicylic-acid-attenuates-monocrotaline-induced-pulmonary-arterial-hypertension-in-rats-by-increasing-the-expression-of-nur77
#9
Ling-Yue Sun, Zong-Ye Cai, Jun Pu, Jian Li, Jie-Yan Shen, Cheng-de Yang, Ben He
The aim of this study is to investigate the effect of 5-aminosalicylic acid (5-ASA) on monocrotaline (MCT)-induced pulmonary arterial hypertension (PAH) in rats and its molecular mechanism. Sixty male Sprague-Dawley rats (250-300 g) were evenly randomized into six groups: control group; PAH group induced by MCT intraperitoneal injection (50 mg/kg) on day 1; and four PAH groups treated for 30 days from day 2 with 5-ASA at 50 (5-ASA-50 group), 100 (5-ASA-100 group), 150 (5-ASA-150 group), and 200 mg/kg/day (5-ASA-200 group), respectively...
February 17, 2017: Inflammation
https://www.readbyqxmd.com/read/28213735/microalgae-based-advanced-municipal-wastewater-treatment-for-reuse-in-water-bodies
#10
REVIEW
Jing-Han Wang, Tian-Yuan Zhang, Guo-Hua Dao, Xue-Qiao Xu, Xiao-Xiong Wang, Hong -Ying Hu
Reuse of secondary municipal effluent from wastewater treatment plants in water bodies could effectively alleviate freshwater resource shortage. However, excessive nutrients must be efficiently removed to prevent eutrophication. Compared with other means of advanced wastewater treatment, microalgae-based processes display overwhelming advantages including efficient and simultaneous N and P removal, no requirement of additional chemicals, O2 generation, CO2 mitigation, and potential value-added products from harvested biomass...
February 17, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28213398/foxo-integration-of-insulin-signaling-with-glucose-and-lipid-metabolism
#11
Sojin Lee, Henry H Dong
The forkhead box O family consists of FoxO1, FoxO3, FoxO4 and FoxO6 proteins in mammals. Expressed ubiquitously in the body, the four FoxO isoforms share in common the amino DNA binding domain, known as "forkhead box" domain. They mediate the inhibitory action of insulin or insulin-like growth factor on key functions involved in cell metabolism, growth, differentiation, oxidative stress, senescence, autophagy and aging. Genetic mutations in FoxO genes or abnormal expression of FoxO proteins are associated with metabolic disease, cancer or altered lifespan in humans and animals...
February 17, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28213338/a-uniaxial-cyclic-compression-method-for-characterizing-the-rheological-and-textural-behaviors-of-mechanically-dewatered-sewage-sludge
#12
Fenglin Liang, Martial Sauceau, Gilles Dusserre, Patricia Arlabosse
The mechanically dewatered sewage sludge with total solid content around 20% on a weight basis is very similar to yield stress fluid, its complex transition between solid and fluid states is not perfectly reversible and especially challenging in terms of pumping, land spreading and drying. To characterize the rheological and textural properties of highly concentrated sludge, a specific methodology based on uniaxial single and cyclic compression tests is developed. Three types of sludge samples (fresh original, fresh premixed and aged original ones) are extruded into cylinders and pressed between two parallel plates using a material testing machine...
February 7, 2017: Water Research
https://www.readbyqxmd.com/read/28213201/respiratory-load-perception-in-overweight-and-asthmatic-children
#13
Victoria MacBean, Lorna Wheatley, Alan C Lunt, Gerrard F Rafferty
Overweight asthmatic children report greater symptoms than normal weight asthmatics, despite comparable airflow obstruction. This has been widely assumed to be due to heightened perception of respiratory effort. Three groups of children (healthy weight controls, healthy weight asthmatics, overweight asthmatics) rated perceived respiratory effort throughout an inspiratory resistive loading protocol. Parasternal intercostal electromyogram was used as an objective marker of respiratory load; this was expressed relative to tidal volume and reported as a ratio of the baseline value (neuroventilatory activity ratio (NVEAR))...
February 14, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28213193/anterior-surgical-fixation-for-cervical-spine-flexion-distraction-injuries
#14
Andrew Jack, Godefroy Hardy-St-Pierre, Mitchell Wilson, Godwin Choy, Richard Fox, Andrew Nataraj
BACKGROUND: Optimal surgical management for flexion-distraction cervical spine injuries remains controversial with current guidelines recommending anterior, posterior, and circumferential approaches. Here, we determined the incidence of and examined risk factors for clinical and radiographic failure in patients with one segment cervical distraction injuries having undergone anterior surgical fixation. METHODS: A retrospective review of 57 consecutive patients undergoing anterior fixation for subaxial flexion-distraction cervical injuries between 2008-2012 at our institution was performed...
February 14, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28213107/hypoglycemic-effect-of-the-polyphenols-rich-extract-from-rose-rugosa-thunb-on-high-fat-diet-and-stz-induced-diabetic-rats
#15
Liu Liu, Dan Tang, Haiqing Zhao, Xuelei Xin, Haji Akber Aisa
ETHNOPHARMACOLOGICAL RELEVANCE: Rosa rugosa Thunb is traditional Uygur medicine, it is widely used for regulating blood condition, nourishing liver and gallbladder in Uygur ancient prescription. But the mechanism of Rosa rugosa Thunb on diabetes is still unclear. In here, we studied the hypoglycemic effect and explained one probable pathway of polyphenols rich extract from Rosa rugosa Thunb (RPE) on diabetic rats. MATERIALS AND METHODS: In vitro, the effect of RPE on α-glucosidase inhibition was finished, and the antioxidant activity of RPE was evaluated by ABTS and DPPH assay...
February 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28213089/monoglyceride-lipase-as-a-drug-target-at-the-crossroads-of-arachidonic-acid-metabolism-and-endocannabinoid-signaling
#16
REVIEW
Gernot F Grabner, Robert Zimmermann, Rudolf Schicho, Ulrike Taschler
Monoglyerides (MGs) are short-lived, intermediary lipids deriving from the degradation of phospho- and neutral lipids, and monoglyceride lipase (MGL), also designated as monoacylglycerol lipase (MAGL), is the major enzyme catalyzing the hydrolysis of MGs into glycerol and fatty acids. This distinct function enables MGL to regulate a number of physiological and pathophysiological processes since both MGs and fatty acids can act as signaling lipids or precursors thereof. The most prominent MG species acting as signaling lipid is 2-arachidonoylglycerol (2-AG) which is the most abundant endogenous agonist of cannabinoid receptors in the body...
February 14, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28213010/the-pathogenesis-and-pathophysiology-of-gestational-diabetes-mellitus-deductions-from-a-three-part-longitudinal-metabolomics-study-in-china
#17
REVIEW
Kai P Law, Hua Zhang
Gestational diabetes mellitus (GDM) is a form of diabetes that is first recognised during pregnancy, with no evidence of pre-existing type 1 or type 2 diabetes. The prevalence of GDM has been rising steadily over the past few decades, coinciding with the ongoing epidemic of obesity and type 2 diabetes. Although GDM normally disappears after delivery, women who have been previously diagnosed with GDM are at a greater risk of developing gestational diabetes in subsequent pregnancies, and type 2 diabetes later in life...
February 14, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28213000/obesity-is-associated-with-long-term-improved-survival-in-definitively-treated-locally-advanced-non-small-cell-lung-cancer-nsclc
#18
Vincent K Lam, Søren M Bentzen, Pranshu Mohindra, Elizabeth M Nichols, Neha Bhooshan, Melissa Vyfhuis, Katherine A Scilla, Steven J Feigenberg, Martin J Edelman, Josephine L Feliciano
OBJECTIVES: To determine the prognostic effect of Body Mass Index (BMI) in definitively treated locally advanced NSCLC patients. MATERIALS AND METHODS: In this single institution retrospective cohort study, we evaluated 291 patients who were treated for locally advanced NSCLC from 2000 to 2010. They were stratified into four BMI groups based on World Health Organization criteria: underweight (<18.5kg/m2), normal weight (18.5 to <25kg/m2), overweight (25 to <30kg/m2), and obese (≧30kg/m2)...
February 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28212894/exogenous-thyroid-hormones-regulate-the-activity-of-citrate-synthase-and-cytochrome-c-oxidase-in-warm-but-not-cold-acclimated-lake-whitefish-coregonus-clupeaformis
#19
Megan A Zak, Amy M Regish, Stephen D McCormick, Richard G Manzon
Thermal acclimation is known to elicit metabolic adjustments in ectotherms, but the cellular mechanisms and endocrine control of these shifts have not been fully elucidated. Here we examined the relationship between thermal acclimation, thyroid hormones and oxidative metabolism in juvenile lake whitefish. Impacts of thermal acclimation above (19 °C) or below (8 °C) the thermal optimum (13 °C) and exposure to exogenous thyroid hormone (60 µg T4/g body weight) were assessed by quantifying citrate synthase and cytochrome c oxidase activities in liver, red muscle, white muscle and heart...
February 14, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28212843/natural-extranuclear-androgen-receptor-ligands-as-endocrine-disruptors-of-cancer-cell-growth
#20
Marilena Kampa, George Notas, Elias Castanas
Even though the term endocrine disruption primarily designates environmental chemicals that can interfere with the action of hormones, in recent years it has been extended to include also plant derived compounds that can reach the human body, naturally, or have been identified and studied as alternative pharmaceutical agents. In fact, for a large number of them, their antihormonal action was appreciated by different traditional herbal medicines. In the present review we report the majority of the plant derived compounds that exhibit an antiandrogenic effect and the known mechanisms of action...
February 14, 2017: Molecular and Cellular Endocrinology
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