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https://www.readbyqxmd.com/read/29115514/polygonum-multiflorm-alleviates-glucocorticoid%C3%A2-induced-osteoporosis-and-wnt-signaling-pathway
#1
Manru Zhou, Jingkai Wu, Yongjie Yu, Yajun Yang, Jin Li, Liao Cui, Weimin Yao, Yuyu Liu
It is known that long‑term excessive administration of glucocorticoid (GC) results in osteoporosis. The present study aimed to evaluate the protective effects of Polygonum multiflorm (PM) on the bone tissue of rats with GC‑induced osteoporosis (GIO). A total of 90 6‑month‑old female Sprague Dawley rats (weight range, 190‑210 g) were randomly divided into nine groups: Control (normal saline); prednisone (GC; 6 mg·kg‑1·d‑1; Model); GC plus PMR30 (the 30% ethanol eluent fraction of PM) (H) (400 mg·kg‑1·d‑1); GC plus PMR30 (M) (200 mg·kg‑1·d‑1); GC plus PMR30 (L) (100 mg·kg‑1·d‑1); GC plus PMRF (fat‑soluble fraction of PM) (H) (400 mg·kg‑1·d‑1); GC plus PMRF (M) (200 mg·kg‑1·d‑1); GC plus PMRF (L) (100 mg·kg‑1·d‑1); GC plus calcitriol (CAL; 0...
November 7, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29018651/a-case-of-vertebral-artery-fusiform-aneurysm-treated-by-flow-alteration-successful-prediction-of-therapeutic-effects-using-computational-fluid-dynamics
#2
Yoichi Miura, Fujimaro Ishida, Yusuke Kamei, Masanori Tsuji, Masato Shiba, Hiroshi Tanemura, Yasuyuki Umeda, Shinichi Shimosaka, Hidenori Suzuki
The treatment of intracranial complicated aneurysms remains challenging. In patients with complicated aneurysms that are neither clippable nor coilable, flow alteration treatment (FAT) with a combined procedure of proximal/distal occlusion or trapping of an aneurysm with bypass surgery has been reported. However, it is difficult to predict whatever FAT can achieve aneurysmal obliteration without ischemic complications. A 69-year-old female was incidentally diagnosed with a left vertebral artery (VA) fusiform aneurysm distal to the left posterior inferior cerebellar artery (PICA)...
October 2017: NMC Case Rep J
https://www.readbyqxmd.com/read/28986295/optimization-and-evaluation-of-zein-nanoparticles-to-improve-the-oral-delivery-of-glibenclamide-in-vivo-study-using-c-elegans
#3
David Lucio, María Cristina Martínez-Ohárriz, Gonzalo Jaras, Paula Aranaz, Carlos J González-Navarro, Aurel Radulescu, Juan M Irache
The aim of this work was to evaluate the capability of zein nanoparticles as oral carriers for glibenclamide (GB). Nanoparticles were prepared by a desolvation procedure in the presence of lysine as stabilizer. A central composite design was used to optimize this preparative process. Under the selected conditions, nanoparticles displayed a size of about 190 nm, a surface charge of -37 mV and a payload of 45 µg GB/mg. Small-angle neutron scattering and X-ray diffraction techniques suggested an internal fractal-like structure, based on the repetition of spherical blocks of zein units (about 20 nm) grouped to form the nanoparticles...
October 3, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28957663/apolipoprotein-e4-impairs-neuronal-insulin-signaling-by-trapping-insulin-receptor-in-the-endosomes
#4
Na Zhao, Chia-Chen Liu, Alexandra J Van Ingelgom, Yuka A Martens, Cynthia Linares, Joshua A Knight, Meghan M Painter, Patrick M Sullivan, Guojun Bu
Diabetes and impaired brain insulin signaling are linked to the pathogenesis of Alzheimer's disease (AD). The association between diabetes and AD-associated amyloid pathology is stronger among carriers of the apolipoprotein E (APOE) ε4 gene allele, the strongest genetic risk factor for late-onset AD. Here we report that apoE4 impairs neuronal insulin signaling in human apoE-targeted replacement (TR) mice in an age-dependent manner. High-fat diet (HFD) accelerates these effects in apoE4-TR mice at middle age...
September 27, 2017: Neuron
https://www.readbyqxmd.com/read/28951282/accumulation-of-dsrna-in-endosomes-contributes-to-inefficient-rna-interference-in-the-fall-armyworm-spodoptera-frugiperda
#5
June-Sun Yoon, Dhandapani Gurusamy, Subba Reddy Palli
RNA interference (RNAi) efficiency varies among insects studied. The barriers for successful RNAi include the presence of double-stranded ribonucleases (dsRNase) in the lumen and hemolymph that could potentially digest double-stranded RNA (dsRNA) and the variability in the transport of dsRNA into and within the cells. We recently showed that the dsRNAs are transported into lepidopteran cells, but they are not processed into small interference RNAs (siRNAs) because they are trapped in acidic bodies. In the current study, we focused on the identification of acidic bodies in which dsRNAs accumulate in Sf9 cells...
November 2017: Insect Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28950016/effects-of-a-standard-high-fat-diet-with-or-without-multiple-deficiencies-on-bone-parameters-in-ovariectomized-mature-rat
#6
Ting Wang, Xiaohuan Zhu, Fang Dai, Chaofei Li, Dake Huang, Zhaohui Fang, Qiu Zhang, Yunxia Lu
The aim of this study was to determine the effects of a standard high fat diet (D12451) with or without vitamin D3, phosphorus, and calcium (i.e., high-fat diet [HFD] or high-fat deficient diet [HFDD]) on the bone parameters of ovariectomized female rats. Six-month-old of female Sprauge Dawley (SD) rats were randomly divided into six study groups: sham operation with standard chow diet (SSCD), sham operation with a HFD (SHFD), sham operation with a HFDD (SHFDD), ovariectomized (OVX), OVX with a HFD (OVX-HFD), and OVX with a HFDD (OVX-HFDD)...
2017: PloS One
https://www.readbyqxmd.com/read/28929308/influence-of-obesity-on-experimental-periodontitis-in-rats-histopathological-histometric-and-immunohistochemical-study
#7
Elizangela Partata Zuza, Valdir Gouveia Garcia, Letícia Helena Theodoro, Edilson Ervolino, Luiz Fernando Veloso Favero, Mariéllen Longo, Fernando Salimon Ribeiro, Alex Tadeu Martins, Luís Carlos Spolidorio, José Antônio Sampaio Zuanon, Benedicto Egbert Corrêa de Toledo, Juliana Rico Pires
OBJECTIVES: This study assessed the influence of obesity on the progression of ligature-induced periodontitis in rats. MATERIALS AND METHODS: Forty-eight adult Wistar rats were randomly divided into two groups: the HL group (n = 24) was fed high-fat animal food to induce obesity, and the NL group (n = 24) was fed normolipidic animal food. Obesity was induced within a period of 120 days, and the induction of experimental periodontitis (EP) was subsequently performed for 30 days...
September 19, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28917061/use-of-lipid-emulsion-therapy-in-local-anesthetic-overdose
#8
Ozgur Karcioglu
The use of intravenous lipid emulsion (ILE) therapy as antidote in systemic toxicity of certain agents has gained widespread support. There are increasing data suggesting use of ILE in reversing from local anesthetic-induced systemic toxicity severe, life-threatening cardiotoxicity, although findings are contradictory. Efficiency of ILE was demonstrated in animal studies in the treatment of severe impairment of cardiac functions, via a mechanism for trapping lipophilic drugs in an expanded plasma lipid compartment ("lipid sink")...
October 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28846033/metabolic-alterations-of-qinghai-tibet-plateau-pikas-in-adaptation-to-high-altitude
#9
Xue-Feng Cao, Zhen-Zhong Bai, Lan Ma, Shuang Ma, Ri-Li Ge
Cao, Xue-Feng, Zhen-Zhong Bai, Lan Ma, Shuang Ma, and Ri-Li Ge. Metabolic alterations of Qinghai-Tibet plateau pikas in adaptation to high altitude. High Alt Med Biol. 18:219-225, 2017.-To determine specific metabolic alterations in the myocardium of plateau pikas (Ochotona curzoniae) and potential metabolic biomarkers involved in their adaptation to the high-altitude environment of the Qinghai-Tibet Plateau. Ten pikas were captured by traps in the Kekexili Reserve (4630 m a.s.l; n = 5) and at the foot of the Laji Mountain (2600 m a...
September 2017: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/28835390/excessive-vitamin-e-intake-does-not-cause-bone-loss-in-male-or-ovariectomized-female-mice-fed-normal-or-high-fat-diets
#10
Hiroko Ikegami, Rie Kawawa, Ikuyo Ichi, Tomoko Ishikawa, Taisuke Koike, Yoshinori Aoki, Yoko Fujiwara
Background: Animal studies on the effects of vitamin E on bone health have yielded conflicting and inconclusive results, and to our knowledge, no studies have addressed the effect of vitamin E on bone in animals consuming a high-fat diet (HFD).Objective: This study aimed to evaluate the effect of excessive vitamin E on bone metabolism in normal male mice and ovariectomized female mice fed a normal diet (ND) or HFD.Methods: In the first 2 experiments, 7-wk-old male mice were fed an ND (16% energy from fat) containing 75 (control), 0 (vitamin E-free), or 1000 (high vitamin E) mg vitamin E/kg (experiment 1) or an HFD (46% energy from fat) containing 0, 200, 500, or 1000 mg vitamin E/kg (experiment 2) for 18 wk...
October 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28815154/spin-trapping-a-review-for-the-study-of-obesity-related-oxidative-stress-and-na-k-atpase
#11
Athar Nawab, Alexandra Nichols, Rebecca Klug, Joseph I Shapiro, Komal Sodhi
Reactive oxygen species (ROS) have gained attention with mounting evidence of their importance in cell signaling and various disease states. ROS is produced continuously as a natural by-product of normal oxygen metabolism. However, high levels ROS causes oxidative stress and damage to biomolecules. This results in loss of protein function, DNA cleavage, lipid peroxidation, or ultimately cell injury or death. Obesity has become a worldwide epidemic; studies show fat accumulation is associated with increased ROS and oxidative stress...
June 2017: Journal of Clinical & Cellular Immunology
https://www.readbyqxmd.com/read/28814530/a-high-fat-diet-decreases-bone-mass-in-growing-mice-with-systemic-chronic-inflammation-induced-by-low-dose-slow-release-lipopolysaccharide-pellets
#12
Jay J Cao, Brian R Gregoire, Chwan-Li Shen
Background: Chronic inflammation is associated with increased bone resorption and is linked to osteopenia, or low bone mass. Obesity is also associated with low-grade chronic upregulation of inflammatory cytokines.Objective: This study investigated the effect of high-fat (HF) diet-induced obesity on bone structure changes in growing mice with existing systemic chronic inflammation induced by low-dose, slow-release lipopolysaccharide (LPS).Methods: Forty-eight 6-wk-old female C57BL/6 mice were randomly assigned to 4 treatment groups (n = 12/group) in a 2 × 2 factorial design-control (placebo) or LPS treatment (1...
October 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28766488/effect-of-high-strength-food-wastes-on-anaerobic-co-digestion-of-sewage-sludge
#13
(no author information available yet)
Anaerobic co-digestion has been practiced at water resource recovery facilities to increase methane production, but theimpact of many variables is still not well understood. In this study, the feasibility of co-digesting fats, oils and grease (FOG) and other high strength wastes (HSWs) with municipal sewage sludge was investigated. Four lab-scale, digesters were operated at a working volume of 9.75 L, 15 day SRT and temperature of 37 oC. Wastes including whey (cheese), juice, grease trap waste (GTW) and dissolved air flotation waste (DAF), along with municipal sewage sludge, were fed to the digesters in varying amounts...
July 6, 2017: Water Environment Research: a Research Publication of the Water Environment Federation
https://www.readbyqxmd.com/read/28720960/levels-and-formation-of-%C3%AE-dicarbonyl-compounds-in-beverages-and-the-preventive-effects-of-flavonoids
#14
Chen Wang, Yongling Lu, Qiju Huang, Tiesong Zheng, Shengmin Sang, Lishuang Lv
ABSTRACT: Methylglyoxal (MGO) and glyoxal (GO), α-dicarbonyl compounds found in the Maillard reaction, progressively and irreversibly modify proteins. Beverages are an exogenous source of α-dicarbonyl compounds and may potentially increase MGO and GO levels in vivo. Using GC-FID method, we detected the MGO and GO contents of 86 beverages in Chinese supermarkets. The highest MGO and GO 587.5 µg/100 mL and 716.7 µg/100 mL respectively found in soyamilk and coffee. Herbal beverages, which contained bioactive components, had lower average levels of MGO (48...
June 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28704114/orbital-floor-fracture-with-entrapment-imaging-and-clinical-correlations-in-45-cases
#15
Nora Silverman, Jordan Spindle, Sunny X Tang, Andrew Wu, Bryan K Hong, John W Shore, Sara Wester, Flora Levin, Michael Connor, Benjamin Burt, Tanuj Nakra, Todd Shepler, Eric Hink, Tarek El-Sawy, Roman Shinder
Orbital floor fractures (OFF) with entrapment require prompt clinical and radiographic recognition for timely surgical correction. Correct CT radiographic interpretation of entrapped fractures can be subtle and thus missed. We reviewed the clinical, radiographic and intraoperative findings of 45 cases of entrapped OFF to correlate pre- and intraoperative findings with radiography. Retrospective review and statistical analysis of 45 patients with OFF using the chi squared and Kruskal-Wallis tests. Main outcome measures included patient demographics, clinical features, radiologic interpretation, intraoperative findings, and treatment outcomes...
July 13, 2017: Orbit
https://www.readbyqxmd.com/read/28669771/antidiabetic-antioxidant-and-anti-inflammatory-properties-of-water-and-n-butanol-soluble-extracts-from-saharian-anvillea-radiata-in-high-fat-diet-fed-mice
#16
Chouaib Kandouli, Mathieu Cassien, Anne Mercier, Caroline Delehedde, Emilie Ricquebourg, Pierre Stocker, Mourad Mekaouche, Zineb Leulmi, Aicha Mechakra, Sophie Thétiot-Laurent, Marcel Culcasi, Sylvia Pietri
ETHNOPHARMACOLOGICAL RELEVANCE: According to Saharian traditional medicine, Anvillea radiata Coss. & Dur. (Asteraceae) has been valued for treating a variety of ailments such as gastro-intestinal, liver and pulmonary diseases, and has gained awareness for its beneficial effect on postprandial hyperglycemia. However, to best of our knowledge, no detailed study of the antidiabetic curative effects of this plant has been conducted yet. AIM OF THE STUDY: To determine the hypoglycemic and antidiabetic effect of dietary supplementation with Anvillea radiata extracts on high-fat-diet (HFD)-induced obesity and insulin resistance in C57BL/6J mice in relation with antioxidant, anti-inflammatory, pancreatic beta-cells and skeletal muscle protection, and digestive enzyme inhibiting properties...
July 31, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28662609/rapid-degradation-of-fog-discharged-from-food-industry-wastewater-by-lipolytic-fungi-as-a-bioaugmentation-application
#17
Ayoma Witharana, Jagath Manatunge, Niranjanie Ratnayake, Chandrika M Nanayakkara, Mahesh Jayaweera
Fats, oils and grease (FOG) congregate in grease trap devices as a result of culinary activities in the food service industry. FOG is considered to be a slowly biodegradable particulate organic matter and may require enzymatic or hydrolytic conversion to form readily biodegradable soluble organic matter. The existing treatment methods are claimed on water based hydrolysis of FOG to form long chain fatty acids. The long fatty acids discharged into wastewater treatment system create functional difficulties, especially the inhibitory effect caused by accumulation of long chain fatty acids...
June 30, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28606422/effect-of-aerobic-exercise-on-markers-of-bone-metabolism-of-overweight-and-obese-patients-with-chronic-kidney-disease
#18
Tarcisio Santana Gomes, Danilo Takashi Aoike, Flavia Baria, Fabiana G Graciolli, Rosa M A Moyses, Lilian Cuppari
OBJECTIVE: The aim of the study was to investigate the effect of aerobic exercise on markers of bone metabolism in overweight and obese nondialysis-dependent patients with chronic kidney disease. METHODS: This is a post-hoc study with 39 sedentary patients (55.5 ± 8.3 years, body mass index 31.2 ± 4.4 kg/m(2), estimated glomerular filtration rate 26.9 ± 11.7 mL/minute) who were randomly assigned to the aerobic exercise group (n = 24) or the control group (n = 15)...
June 9, 2017: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/28551552/standardized-mori-ramulus-extract-improves-insulin-secretion-and-insulin-sensitivity-in-c57blks-j-db-db-mice-and-ins-1-cells
#19
Soo-Yeon Park, Bora Jin, Jae-Ho Shin, Sirichai Adisakwattana, Oran Kwon
Abnormalities in the hyperbolic relationship between insulin sensitivity and insulin secretion may cause oxidative stress and non-enzymatic glycation, resulting in an increased risk of type 2 diabetes. Here, we performed a 14-week study to investigate the effects of ethanolic extract of Mori ramulus (MRE; 0, 800, and 1600mg/kg body weight) and its signature component oxyresveratrol (OXY; 800mg/kg body weight) on β-cell dysfunction and insulin resistance in C57BLKS/J db/db mice fed with a high-fat diet. Compared with the diabetic control group, the high-dose MRE group showed a significant decrease in fasting blood glucose (p=0...
August 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28532220/the-adipokine-tartrate-resistant-acid-phosphatase-5a-in-serum-correlates-to-adipose-tissue-expansion-in-obesity
#20
Christina Patlaka, Laia Mira Pascual, Staffan Paulie, Anni-Frid Henriksson, Peter Arner, Pernilla Lång, Göran Andersson
PURPOSE: Tartrate-resistant acid phosphatase (TRAP) exists as two isoforms, 5a and 5b. TRAP 5a is elevated in adipose tissue of obese women, interacts with pre-adipocytes and is linked to insulin-sensitive hyperplastic obesity when overexpressed in mice. The aim of this study was to investigate the relation between serum TRAP 5a, adiposity indices and metabolic syndrome risk markers in lean and obese women, using a newly developed TRAP 5a-specific ELISA. MATERIALS AND METHODS: A TRAP 5a sandwich ELISA was optimized using TRAP 5a-specific monoclonal antibodies and tested in sera of healthy males...
June 8, 2017: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
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