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https://www.readbyqxmd.com/read/28346008/wnt-%C3%AE-catenin-signaling-is-required-for-distraction-osteogenesis-in-rats
#1
Xuemei Wang, En Luo, Ruiye Bi, Bin Ye, Jing Hu, Shujuan Zou
OVERVIEW: The Wnt signaling pathway plays crucial roles in embryonic skeletal development and postnatal bone regeneration. However, mechanisms of Wnt signaling functioning in distraction osteogenesis (DO) haven't been well characterized. MATERIALS AND METHODS: We established a DO model using Sprague-Dawley rat tibia. And a Wnt signaling blocking agent, recombinant rat Dickkopf-related protein 1 (rrDkk1), was locally applied in the distracted gap to study the role of Wnt signaling during DO process...
March 1, 2017: Connective Tissue Research
https://www.readbyqxmd.com/read/28345790/metabolic-responses-to-exogenous-ghrelin-in-obesity-and-early-after-roux-en-y-gastric-bypass-in-humans
#2
Robyn A Tamboli, Joseph Antoun, Reem M Sidani, B Austin Clements, Emily A Eckert, Pam Marks-Shulman, Bruce D Gaylinn, D Brandon Williams, Ronald H Clements, Vance L Albaugh, Naji N Abumrad
AIMS: Ghrelin is a gastric-derived hormone that stimulates growth hormone (GH) secretion and has a multi-faceted role in the regulation of energy homeostasis, including glucose metabolism. Circulating ghrelin concentrations are modulated in response to nutritional status, but responses to ghrelin in altered metabolic states are poorly understood. We investigated the metabolic effects of ghrelin in obesity and early after Roux-en-Y gastric bypass (RYGB). MATERIALS AND METHODS: We assessed central and peripheral metabolic responses to acyl ghrelin infusion (1 pmol kg(-1) min(-1) ) in healthy, lean subjects (n = 9) and non-diabetic, obese subjects (n = 9) before and two weeks after RYGB...
March 27, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28345393/inhibitory-effects-of-3%C3%AE-hydroxy-lup-20-29-en-23-28-dioic-acid-on-lipopolysaccharide-induced-tnf-%C3%AE-il-1%C3%AE-and-the-high-mobility-group-box-1-release-in-macrophages
#3
Xiang-Qian Liu, Qin-Peng Zou, Jian-Jun Huang, Chang-Soo Yook, Wan-Kyunn Whang, Hyeong-Kyu Lee, Ok-Kyoung Kwon
We investigated the anti-inflammatory effects of 3α-hydroxy-lup-20(29)-en-23, 28-dioic acid (HLEDA)-a lupane-type triterpene isolated from leaves of Acanthopanax gracilistylus W. W.Smith (AGS), as well as the underlying molecular mechanisms in lipopolysaccharide (LPS)-induced RAW264.7 cells. Our results demonstrated that HLEDA concentration-dependently reduced the production of nitric oxide (NO), significantly suppressed LPS-induced expression of TNF-α and IL-1β at the mRNA and protein levels in RAW264...
March 27, 2017: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/28344419/determinants-of-treatment-modification-in-hypercholesterolemic-patients
#4
Ko-Fan Wang, Cheng-Hsueh Wu, Chun-Chin Chang, Lung-Ching Chen, Kang-Ling Wang, Tse-Min Lu, Shing-Jong Lin, Chern-En Chiang
BACKGROUND: There is a lack of knowledge of those contemporary factors associated with modifying subtherapeutic treatments in hypercholesterolemic patients. The aim of this study was to assess determinants of treatment modification in patients not attaining their low-density lipoprotein cholesterol goals. METHODS: The CEntralized Pan-Asian survey on tHE Under-treatment of hypercholeSterolemia enrolled patients taking stable lipid-lowering medications. The study physicians then determined existing patient treatments, which were to be continued or modified when treatments failed...
March 2017: Acta Cardiologica Sinica
https://www.readbyqxmd.com/read/28344345/gastric-bypass-surgery-with-exercise-alters-plasma-micrornas-that-predict-improvements-in-cardiometabolic-risk
#5
Y O N Lopez, P M Coen, B H Goodpaster, A A Seyhan
BACKGROUND/OBJECTIVES: Roux-en-Y gastric bypass (RYGB) surgery improves insulin sensitivity (SI) and β-cell function in obese non-diabetic subjects. Exercise also improves SI and may be an effective adjunct therapy to RYGB surgery. However, the mechanisms by which exercise or weight-loss improve peripheral SI after RYGB surgery are unclear. We hypothesized that microRNAs (miRNAs) mediate at least some of the regulatory processes driving such mechanisms. Consequently, this work aimed at profiling plasma miRNAs in participants of the Physical Activity Following Surgery Induced Weight Loss study (clinicaltrials...
March 27, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28344173/exploring-the-structure-permeation-relationship-of-topical-tricyclic-antidepressants-used-for-skin-analgesia
#6
Kuo-Sheng Liu, Tse-Hung Huang, Ibrahim A Aljuffali, En-Li Chen, Jhi-Joung Wang, Jia-You Fang
The purpose of this study was to evaluate the skin permeation of tricyclic antidepressants (TCAs) with propamine moiety to select candidates for the development of topical analgesics to treat cutaneous pain. We sought to establish the structure-permeation relationship (SPR) of topical TCAs. The lipophilicity, melting point, and aqueous solubility were determined to develop the physicochemical characterization. The TCA permeation into pig and nude mouse skins was estimated using Franz diffusion cell. TCAs and lidocaine were comparatively examined for cutaneous analgesia by pinprick assay...
March 23, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28344142/viewpoint-stroke-prevention-in-recent-guidelines-for-the-management-of-patients-with-atrial-fibrillation-an-appraisal
#7
REVIEW
Tatjana S Potpara, Gregory Y H Lip, Carina Blomström Lundqvist, Chern-En Chiang, A John Camm
Formal guidelines play an important role in disseminating the best available evidence knowledge and are expected to provide simple and practical recommendations for the most optimal management of patients with various conditions. Such guidelines have important implications for many disease states, which thereby could be more professionally managed in everyday clinical practice by clinicians with divergent educational backgrounds, and also more easily implemented in wards or outpatient clinics eliminating inequalities in health care management...
March 23, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28344051/massive-biliary-dilation-after-roux-en-y-gastric-bypass-is-it-ampullary-achalasia
#8
Jeffrey L Ponsky, Noble Jones, John H Rodriguez, Matthew D Kroh, Andrew T Strong
BACKGROUND: This series of patients with a history of roux-en-Y gastric bypass (RYGB) and cholecystectomy presented with symptoms consistent with obstructive biliary disease and massive biliary dilation of 15 mm or greater, suggesting a structural etiology. Findings from laparoscopic assisted transgastric endoscopic retrograde cholangiopancreatography (TGERCP) were a normal appearing ampulla without structural lesions or stones, suggesting a functional etiology, instead. STUDY DESIGN: Patients who underwent TGERCP from January 2008 to October 2016 and had a previous surgical history of RYGB and cholecystectomy were identified from an institutional database...
March 23, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28343238/visualization-of-endothelial-barrier-damage-prior-to-formation-of-atherosclerotic-plaques
#9
Heike Bömmel, Florian Kleefeldt, Alma Zernecke, Sharang Ghavampour, Nicole Wagner, Stefanie Kuerten, Süleyman Ergün
En-face fat staining is frequently used to visualize atherosclerotic lesions. This method, however, is not suitable to visualize endothelial barrier damage prior to microscopically detectable morphological alterations of the arterial wall such as sub-endothelial lipid deposition. To enable the investigation of early endothelial barrier damage and in particular the initial steps of atherosclerosis, a new method has to fulfill three requirements: (i) easy and fast to perform, (ii) low cost of applicability without requirement for highly sophisticated technical equipment, and (iii) reliable reproducibility of valid results...
March 25, 2017: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/28343151/gastric-outlet-obstruction-an-unusual-case-of-primary-duodenal-tuberculosis
#10
Sanket Kalpande, Jayashri Sanjay Pandya, Ajeet Tiwari, Devbrata Adhikari
BACKGROUND: Tuberculosis is a major health problem worldwide. Gastrointestinal tuberculosis presenting as isolated involvement of the duodenum is a rare case. CASE PRESENTATION: A 13 year male, presented with features of gastric outlet obstruction. CT enterography scan showed circumferential mural thickening in first and second part of duodenal junction causing luminal narrowing. Upper GI endoscopy confirmed the narrowing of D1-D2 junction. Duodenal biopsy showed duodenitis with negative result for AFB stain, Helicobacter Pylori...
March 24, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28342728/comparative-analysis-for-diagnostic-yield-of-small-cell-lung-cancer-by-cytology-and%C3%A2-histology-during-the-same-bronchoscopic%C3%A2-procedure
#11
Wei-Nan Li, Di-Fei Wang, Ya-Bin Zhao, Xue-Shan Qiu, En-Hua Wang, Guang-Ping Wu
BACKGROUND: Biopsy, brushing, and transbronchial needle aspiration (TBNA) are the most common methods used for the diagnosis of small cell lung cancer during the same diagnostic bronchoscopic procedure. However, it is not clear which method provides better results. PATIENTS AND METHODS: A retrospective analysis was performed of 140 patients who had undergone video bronchoscopy for diagnostic purposes. Bronchial brushings were obtained from all subjects. Biopsy specimens were also obtained from all subjects, except for 6 cases that could not be sampled; the TBNA method was used for some special lesions...
March 2, 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28342207/genetic-effect-of-mthfr-c677t-polymorphism-on-the-structural-covariance-network-and-white-matter-integrity-in-alzheimer-s-disease
#12
Yu-Tzu Chang, Shih-Wei Hsu, Shih-Jen Tsai, Ya-Ting Chang, Chi-Wei Huang, Mu-En Liu, Nai-Ching Chen, Wen-Neng Chang, Jung-Lung Hsu, Chen-Chang Lee, Chiung-Chih Chang
The 677 C to T transition in the MTHFR gene is a genetic determinant for hyperhomocysteinemia. We investigated whether this polymorphism modulates gray matter (GM) structural covariance networks independently of white-matter integrity in patients with Alzheimer's disease (AD). GM structural covariance networks were constructed by 3D T1-magnetic resonance imaging and seed-based analysis. The patients were divided into two genotype groups: C homozygotes (n = 73) and T carriers (n = 62). Using diffusion tensor imaging and white-matter parcellation, 11 fiber bundle integrities were compared between the two genotype groups...
March 25, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28342128/efficacy-and-safety-of-endoscopic-submucosal-dissection-in-elderly-patients-with-esophageal-squamous-cell-carcinoma
#13
Byeong Geun Song, Yang Won Min, Jun Haeng Lee, Hyuk Lee, Byung-Hoon Min, Poong-Lyul Rhee, Jae J Kim
BACKGROUND: Endoscopic submucosal dissection (ESD) has been widely applied in superficial esophageal squamous cell carcinoma (SESCC) as a minimally invasive treatment, which has advantages over surgery, especially in the elderly who have high risk of surgery. This study elucidated the efficacy and safety of ESD for SESCC in the elderly. METHODS: Between April 2007 and June 2016, a total of 176 patients with SESCC treated with ESD were analyzed. Clinical outcomes including En bloc, complete, and curative resection rates, procedure-related complication rates, and cumulative recurrence rates were compared between the elderly (n = 46, ≥70 years of age) and the non-elderly groups (n = 130, <70 years of age)...
March 24, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28341764/transesophageal-echocardiographic-guidance-of-transcatheter-closure-of-the-aortic-valve-in-a-patient-with-left-ventricular-assist-device-related-severe-aortic-regurgitation
#14
Preetham Muskala, Taiyeb M Khumri, Michael L Main
A 68 year-old man with a severe ischemic cardiomyopathy underwent left ventricular assist device (LVAD) implantation (Heart Mate II device) for destination therapy. He presented 49 months following LVAD implant with worsening heart failure symptoms and new severe aortic regurgitation. Given high risk for both surgical and transcatheter aortic valve replacement, he was admitted for transcatheter closure of the aortic valve under transesophageal echocardiographic (TEE) guidance. TEE imaging revealed severe aortic regurgitation (see Figure 1A and 1B, and multimedia files 1 and 2)...
March 24, 2017: Echo Research and Practice
https://www.readbyqxmd.com/read/28341490/validation-of-shear-wave-elastography-cutoff-values-on-the-supersonic-aixplorer-for-practical-clinical-use-in-liver-fibrosis-staging
#15
Manish Dhyani, Joseph R Grajo, Atul K Bhan, Kathleen Corey, Raymond Chung, Anthony E Samir
The purpose of this study was to determine the validity of previously established ultrasound shear wave elastography (SWE) cut-off values (≥F2 fibrosis) on an independent cohort of patients with chronic liver disease. In this cross-sectional study, approved by the institutional review board and compliant with the Health Insurance Portability and Accountability Act, 338 patients undergoing liver biopsy underwent SWE using an Aixplorer ultrasound machine (SuperSonic Imagine, Aix-en-Provence, France). Median SWE values were calculated from sets of 10 elastograms...
March 21, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28341378/pilot-scale-intensification-of-rubber-seed-hevea-brasiliensis-oil-via-chemical-interesterification-using-hydrodynamic-cavitation-technology
#16
Awais Bokhari, Suzana Yusup, Lai Fatt Chuah, Jiří Jaromír Klemeš, Saira Asif, Basit Ali, Majid Majeed Akbar, Ruzaimah Nik M Kamil
Chemical interesterification of rubber seed oil has been investigated for four different designed orifice devices in a pilot scale hydrodynamic cavitation (HC) system. Upstream pressure within 1-3.5bar induced cavities to intensify the process. An optimal orifice plate geometry was considered as plate with 1mm dia hole having 21 holes at 3bar inlet pressure. The optimisation results of interesterification were revealed by response surface methodology; methyl acetate to oil molar ratio of 14:1, catalyst amount of 0...
March 11, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28341056/temporal-changes-in-plasma-markers-of-oxidative-stress-following-laparoscopic-sleeve-gastrectomy-in-subjects-with-impaired-glucose-regulation
#17
Sarah L Prior, Jonathan D Barry, Scott Caplin, Thinzar Min, Danielle A Grant, Jeffrey W Stephens
BACKGROUND: Laparoscopic sleeve gastrectomy (LSG) is an effective treatment for obesity and associated metabolic complications. Obesity and type 2 diabetes are associated with increased oxidative stress. Previous studies have examined changes in plasma oxidative stress after laparoscopic Roux-en-Y gastric bypass, but there is limited evidence of the effects of LSG. OBJECTIVES: To examine the effects of LSG on plasma thiobarbituric acid reactive substances (TBARS) and total antioxidant status (TAOS) at 1 and 6 months after LSG in patients with obesity and impaired glucose regulation...
February 2017: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/28340300/synthesis-of-3-o-sulfated-oligosaccharides-to-understand-the-relationship-between-structures-and-functions-of-heparan-sulfate
#18
Zhangjie Wang, Po-Hung Hsieh, Yongmei Xu, David Thieker, Evangeline Juan En Chai, Shaoshuai Xie, Brian Cooley, Robert Woods, Lianli Chi, Jian Liu
The sulfation at the 3-OH position of glucosamine is an important modification in forming structural domains for heparan sulfate to enable its biological functions. Seven 3-O-sulfotransferase isoforms in the human genome are involved in the biosynthesis of 3-O-sulfated heparan sulfate. As a rare modification present in heparan sulfate, the availability of 3-O-sulfated oligosaccharides is very limited. Here, we report the use of a chemoenzymatic synthetic approach to synthesize six 3-O-sulfated oligosaccharides, including three hexasaccharides and three octasaccharides...
March 24, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28338521/ethnicity-lipids-and-cardiovascular-disease
#19
Katia Gazzola, Rens Reeskamp, Bert-Jan van den Born
PURPOSE OF REVIEW: The prevalence of cardiovascular disease differs among ethnic groups and along geographic boundaries. At present, most of the projected increase in mortality from cardiovascular disease occurs in sub-Saharan African, Chinese and Southeast Asian populations. Ethnic disparities in the prevalence of cardiovascular disease coincide with quantitative and qualitative differences in risk factors for cardiovascular disease. High plasma cholesterol is one of the most important preventable causes of ischemic heart disease...
March 23, 2017: Current Opinion in Lipidology
https://www.readbyqxmd.com/read/28338465/-%C3%A3-la-m%C3%A3-moire-du-d-r-jean-couture-un-grand-chirurgien-au-canada-et-en-chine-1924-2016
#20
Luc Deschênes, Jean Deslauriers, Yvan Douville
No abstract text is available yet for this article.
April 2017: Canadian Journal of Surgery. Journal Canadien de Chirurgie
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