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Necdet Özçay, Handan Özdemir, Hasan Besim
OBJECTIVES: The aim of the present study is to investigate the role of platelet rich fibrin(PRF) on the intestinal anastomotic wound healing in a mesenteric ischemia/reperfusion (I/R) rat model. METHODS: Forty male Sprague Dawley rats were allocated into four groups: Group I (n=10) Anastomosis to normal bowel; Group II (n=10) Anastomosis after I/R injury; Group III (n=10) Anastomosis and PRF; Group IV Anastomosis after I/R and PRF. Animals were followed up for 7 days, then sacrificed...
March 22, 2018: Biomedical Materials
Peng-Jie Yang, Wei-Xin Yuan, Jia Liu, Jin-Ying Li, Bing Tan, Chen Qiu, Xiao-Long Zhu, Cong Qiu, Dong-Mei Lai, Li-He Guo, Lu-Yang Yu
Human amniotic epithelial cells (hAECs), derived from the innermost layer of the term placenta closest to the fetus, have been shown to be potential seed cells for allogeneic cell therapy. Previous studies have shown a certain therapeutic effect of hAECs. However, no appropriate isolation and culture system for hAECs has been developed for clinical applications. In the present study, we established a serum-free protocol for hAEC isolation and cultivation, in which better cell growth was observed compared with that in a traditional culture system with serum...
March 22, 2018: Acta Pharmacologica Sinica
Kisantini Murugesu, Vikneswaran Murugaiyah, Sultan Ayesh Mohammed Saghir, Mohd Zaini Asmawi, Amirin Sadikun
BACKGROUND: Ethanolic extract of G. procumbens leaves has been previously shown to pos-sess antihyperlipidemic effects. OBJECTIVE: This study was designed to prepare caffeoylquinic acids rich and poor fractions of the ethanol-ic extract using resin column technology and compare their antihyperlipidemic and antioxidant potentials. RESULTS: Among the treatment groups, caffeoylquinic acids rich fraction (F2) and chlorogenic acid (CA, one of the major caffeoylquinic acids) showed potent antihyperlipidemic effects, with significant reduc-tions in total cholesterol (TC), triglycerides (TG), low-density lipoprotein-cholesterol (LDL-C), very low-density lipoprotein-cholesterol (VLDL-C), atherogenic index (AI) and coronary risk index (CRI) (p<0...
March 21, 2018: Current Pharmaceutical Biotechnology
Clint L Makino, Teresa Duda, Alexandre Pertzev, Rameshwar K Sharma
Our ability to see is based on the activity of retinal rod and cone photoreceptors. Rods function when there is very little light, while cones operate at higher light levels. Photon absorption by rhodopsin activates a biochemical cascade that converts photic energy into a change in the membrane potential of the cell by decreasing the levels of a second messenger, cGMP, that control the gating of cation channels. But just as important as the activation of the cascade are the shut-off and recovery processes. The timing of shutoff and recovery ultimately affects sensitivity, temporal resolution and even the capacity for counting single photons...
2018: Methods in Molecular Biology
A Samadi, A Gurlek, S N Sendur, S Karahan, F Akbiyik, I Lay
PURPOSE: To assess the plasma oxysterol species 7-ketocholesterol (7-Kchol) and cholestane-3β,5α,6β-triol (chol-triol) as biomarkers of oxidative stress in type 1 and type 2 diabetes mellitus (DM). METHODS: In total, 26 type 1 and 80 type 2 diabetes patients, along with 205 age- and gender-matched healthy controls, were included in this study. Oxysterols were quantified by liquid chromatography coupled with tandem mass spectrometry and N,N-dimethylglycine derivatization...
March 21, 2018: Journal of Endocrinological Investigation
Kelly Olds, Karen Heath, John Miliauskas, Roger W Byard
A 56-year-old man with no previous medical history collapsed and was not able to be resuscitated. The major findings at autopsy were enlargement of the heart (weight = 527 g) which contained an infiltrating firm, homogeneous tumor in an epicardial location adjacent to the left anterior descending and right coronary arteries, with further extension into the right ventricular outflow tract, the interventricular septum and left ventricular free wall. Sections showed sheets of small lymphoid cells with scattered large lymphocytes amounting to a low-grade follicular non-Hodgkin lymphoma, as tumor cells were CD20, CD10, Bcl 2 and LMO 2 positive...
March 22, 2018: Forensic Science, Medicine, and Pathology
R Q Graumam, M M Pinheiro, L E Nery, C H M Castro
A very high rate of osteoporosis, fractures, and low lean mass was observed in patients with chronic obstructive pulmonary disease (COPD). Disease severity was associated with bone and muscle adverse outcomes, while age ≥ 63.5 years old, low lean mass, higher iPTH, and a T-score below - 2.5 were all associated with higher risk of fracture. INTRODUCTION: Osteoporosis is frequently neglected in patients with COPD. We aimed at evaluating the rate of osteoporosis, fractures, and low lean mass in patients with COPD...
March 21, 2018: Osteoporosis International
Erica Tirloni, Cristian Bernardi, Sandro Drago, Giuseppe Stampone, Francesco Pomilio, Patrizia Cattaneo, Simone Stella
Objective of the present study was to test the performances of a loop-mediated isothermal amplification (LAMP)-based method for the detection of Listeria monocytogenes , with particular focus on the dairy products. The specificity of the method was evaluated on 42 different Listeria spp. strains from collections, food and environmental samples. 100% (32 of 32) of the L. monocytogenes strains were correctly recognised, and none of other 10 Listeria spp. strains was misidentified. The sensitivity was evaluated on four L...
October 20, 2017: Italian Journal of Food Safety
Andrew M Hill, Melissa J Barber, Dzintars Gotham
Introduction: There are persistent gaps in access to affordable medicines. The WHO Model List of Essential Medicines (EML) includes medicines considered necessary for functional health systems. Methods: A generic price estimation formula was developed by reviewing published analyses of cost of production for medicines and assuming manufacture in India, which included costs of formulation, packaging, taxation and a 10% profit margin. Data on per-kilogram prices of active pharmaceutical ingredient exported from India were retrieved from an online database...
2018: BMJ Global Health
Jeong Hee Lee, Eung Do Kim, Eun Jung Jun, Hyoung Sun Yoo, Joon Woo Lee
Background: The purpose of this paper is to provide technology trends and information regarding market and prospects in stents used for human blood vessels in Korea and the world.A stent is a medical device in the form of a cylindrical metal net used to normalize flow when blood or other bodily fluids such as biliary fluids are obstructed in blood vessels, gastrointestinal tracts, etc. by inserting the stent into a narrowed or clogged area. Stents are classified into vascular and non-vascular stents...
2018: Biomaterials Research
Gergely Kosa, Boris Zimmermann, Achim Kohler, Dag Ekeberg, Nils Kristian Afseth, Jerome Mounier, Volha Shapaval
Background: Mucoromycota fungi are important producers of low- and high-value lipids. Mortierella alpina is used for arachidonic acid production at industrial scale. In addition, oleaginous Mucoromycota fungi are promising candidates for biodiesel production. A critical step in the development of such biotechnological applications is the selection of suitable strains for lipid production. The aim of the present study was to use the Duetz-microtiter plate system combined with Fourier transform infrared (FTIR) spectroscopy for high-throughput screening of the potential of 100 Mucoromycota strains to produce low- and high-value lipids...
2018: Biotechnology for Biofuels
Hua Zhao, Can Xu, Xiaoli Luo, Feng Wei, Ning Wang, Huiying Shi, Xiubao Ren
Since the preclinical results about chimpanzee adenovirus serotype-68 (AdC68)-based vaccine showed an encouraging results, it reminded us that AdC68 may be a suitable cancer vaccine vector. Previous study indicated that the seroprevalence of neutralizing antibodies (NAbs) against adenovirus was different between cancer patients and healthy volunteers. Knowledge regarding the prevalence rates of AdC68 NAbs for cancer patients is lacking. Therefore, assessing the preexistence of NAbs against AdC68 in cancer patients could provide useful insights for developing future AdC68-based cancer vaccines...
2018: Frontiers in Immunology
Marta Podgórska, Monika Ołdak, Anna Marthaler, Alina Fingerle, Barbara Walch-Rückheim, Stefan Lohse, Cornelia S L Müller, Thomas Vogt, Mart Ustav, Artur Wnorowski, Magdalena Malejczyk, Sławomir Majewski, Sigrun Smola
Persistent genus β-HPV (human papillomavirus) infection is a major co-factor for non-melanoma skin cancer in patients suffering from the inherited skin disease epidermodysplasia verruciformis (EV). Malignant EV lesions are particularly associated with HPV type 5 or 8. There is clinical and molecular evidence that HPV8 actively suppresses epithelial immunosurveillance by interfering with the recruitment of Langerhans cells, which may favor viral persistence. Mechanisms how persistent HPV8 infection promotes the carcinogenic process are, however, less well understood...
2018: Frontiers in Microbiology
Zhi Gang Lan, Seidu A Richard, Jin Li, Chaohua Yang
Introduction: Nonprojectile penetrating skull base injuries as a result of falls have rarely been confronted in normal neurosurgery although a few nonmissile injuries have been reported. These kinds of injuries represent a life-threatening emergency. Case presentation: We present an unusual case of a 25-year-old male construction worker who suffered an accidental penetrating skull base injury when he fell on a metal rod while he was walking on a 2-meter-high platform...
2018: International Medical Case Reports Journal
Isabel Frost, William P J Smith, Sara Mitri, Alvaro San Millan, Yohan Davit, James M Osborne, Joe M Pitt-Francis, R Craig MacLean, Kevin R Foster
Bacteria commonly live in dense and genetically diverse communities associated with surfaces. In these communities, competition for resources and space is intense, and yet we understand little of how this affects the spread of antibiotic-resistant strains. Here, we study interactions between antibiotic-resistant and susceptible strains using in vitro competition experiments in the opportunistic pathogen Pseudomonas aeruginosa and in silico simulations. Selection for intracellular resistance to streptomycin is very strong in colonies, such that resistance is favoured at very low antibiotic doses...
March 21, 2018: ISME Journal
Yared Assefa, Paul Carter, Mark Hinds, Gaurav Bhalla, Ryan Schon, Mark Jeschke, Steve Paszkiewicz, Stephen Smith, Ignacio A Ciampitti
Concurrent to yield, maize (Zea Mays L.) plant density has significantly increased over the years. Unlike yield, however, the rate of change in plant density and its contribution to maize yield gain are rarely reported. The main objectives of this study were to examine the trend in the agronomic optimum plant density (AOPD) and quantify the contribution of plant density to yield gain. Maize hybrid by seeding rate trials were conducted from 1987-2016 across North America (187,662 data points). Mixed model, response surface, and simple linear regression analyses were applied on the meta-data...
March 21, 2018: Scientific Reports
Chang Xu, Wen-Hao Guo, Xu He, Yin-Long Guo, Xue-Ying Zhang, Xingang Zhang
Relatively low reactivity hinders using chlorodifluoromethane (ClCF2 H) for general difluoromethylation with organic molecules, despite its availability as an inexpensive industrial chemical. To date, transformations of ClCF2 H are very limited and most of them involve difluorocarbene intermediate. Here, we describe a strategy for difluoromethylation of aromatics through nickel-catalyzed cross-coupling of ClCF2 H with readily accessible (hetero)aryl chlorides. The reaction proceeds under mild reaction conditions with high efficiency and features synthetic simplicity without preformation of arylmetals and broad substrate scope, including a variety of heteroaromatics and commercially available pharmaceuticals...
March 21, 2018: Nature Communications
Xiaojian Yang, Fugui Yin, Yuhui Yang, Dion Lepp, Hai Yu, Zheng Ruan, Chengbo Yang, Yulong Yin, Yongqing Hou, Steve Leeson, Joshua Gong
Butyrate can modulate the immune response and energy expenditure of animals and enhance intestinal health. The present study investigated changes in the intestinal microbiota composition and serum metabolites of young broilers in response to 3,000 ppm butyrate in the form of butyrate glycerides (BG) via pyrosequencing of bacterial 16S rRNA genes and nuclear magnetic resonance (NMR). The dietary treatment did not affect the alpha diversity of intestinal microbiota, but altered its composition. Thirty-nine key operational taxonomic units (OTUs) in differentiating cecal microbiota community structures between BG treated and untreated chickens were also identified...
March 21, 2018: Scientific Reports
Guo-Ming Zhang, Shu-Mei Bai, Gao-Ming Zhang, Xiao-Bo Ma, Hemant Goyal
BACKGROUND We aimed to predict the abnormal LDL level by using TG, TC, HDL, and non-HDL in this study. MATERIAL AND METHODS Triglyceride (TG), total cholesterol (TC), high-density lipoprotein (HDL), and low-density lipoprotein (LDL) data were obtained from the Laboratory Information System (LIS) for 4 years (Oct 1, 2013 to Sept 30, 2017) from among 34 270 healthy Chinese patients at Shuyang People's Hospital. TG, TC, HDL, and LDL (direct clearance method) were measured using a TBA2000FR biochemical analyzer...
March 22, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
Jun Muratsu, Masahiro Koseki, Daisaku Masuda, Yuji Yasuga, Satoki Tomoyama, Keiji Ataka, Yoshiki Yagi, Atsushi Nakagawa, Hidehumi Hamada, Shigeki Fujita, Hiroaki Hattori, Tohru Ohama, Makoto Nishida, Hisatoyo Hiraoka, Yuji Matsuzawa, Shizuya Yamashita
We report a case of Tangier disease with Leriche syndrome and bleeding tendency. In this male patient, nasal hemorrhage had been observed frequently throughout childhood. At 46 years old, he experienced effort angina, and coronary angiography demonstrated 75% stenosis in the right coronary artery. Orange-colored tonsils, mild hepatosplenomegaly and very low levels of serum high-density lipoprotein cholesterol (HDL-C) were observed, and the patient was diagnosed with Tangier disease. At 52 years old, effort angina recurred...
March 20, 2018: Journal of Atherosclerosis and Thrombosis
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