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https://www.readbyqxmd.com/read/28547862/mri-evaluation-of-regional-and-longitudinal-changes-in-z-spectra-of-injured-spinal-cord-of-monkeys
#1
Feng Wang, Zhongliang Zu, Ruiqi Wu, Tung-Lin Wu, John C Gore, Li Min Chen
PURPOSE: In principle, MR methods that exploit magnetization transfer (MT) may be used to quantify changes in the molecular composition of tissues after injury. The ability to track such changes in injured spinal cord may allow more precise assessment of the state of neural tissues. METHODS: Z-Spectra were obtained from the cervical spinal cord before and after a unilateral dorsal column lesion in monkeys at 9.4T. The amplitudes of chemical exchange saturation transfer (CEST) and nuclear Overhauser enhancement (NOE) effects from multiple proton pools, along with nonspecific semisolid MT effects from immobile macromolecules, were quantified using a five-peak Lorenzian fitting of each Z-spectrum...
May 25, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28544449/metagenomic-based-impact-study-of-transgenic-grapevine-rootstock-on-its-associated-virome-and-soil-bacteriome
#2
Jean-Michel Hily, Sandrine Demanèche, Nils Poulicard, Mélanie Tannières, Samia Djennane, Monique Beuve, Emmanuelle Vigne, Gérard Demangeat, Véronique Komar, Claude Gertz, Aurélie Marmonier, Caroline Hemmer, Sophie Vigneron, Armelle Marais, Thierry Candresse, Pascal Simonet, Olivier Lemaire
For some crops, the only possible approach to gain a specific trait requires genome modification. The development of virus-resistant transgenic plants based on the pathogen-derived resistance strategy has been a success story for over three decades. However, potential risks associated with the technology, such as horizontal gene transfer (HGT) of any part of the transgene to an existing gene pool, have been raised. Here, we report no evidence of any undesirable impacts of genetically modified (GM) grapevine rootstock on its biotic environment...
May 25, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28542882/butyrate-and-retinoic-acid-synergistically-imprint-mucosal-like-dendritic-cell-development-from-bone-marrow-cells
#3
Yetao Qiang, Jie Xu, Cheng Yan, Huimin Jin, Tengfei Xiao, Nannan Yan, Liping Zhou, Huazhang An, Xiaoming Zhou, Qixiang Shao, Sheng Xia
Accumulating data show that the phenotypes and functions of distinctive mucosal dendritic cells (DCs) in the gut are regulated by retinoic acid (RA). Unfortunately, the exact role of butyrate in RA mediated mucosal DC differentiation has not been thoroughly elucidated to date. Mucosal like dendritic cell differentiation was completed in vitro by culturing bone marrow cells with growth factors (GM-CSF/IL-4), RA and/or butyrate. The phenotypes, cytokine secretion, immune functions and levels of retinal dehydrogenase of different DCs were detected using qPCR, ELISA and flow cytometry, respectively...
May 24, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28541538/coordinated-modifications-in-mesophyll-conductance-photosynthetic-potentials-and-leaf-nitrogen-contribute-to-explain-the-large-variation-in-foliage-net-assimilation-rates-across-quercus-ilex-provenances
#4
José Javier Peguero-Pina, Sergio Sisó, Jaume Flexas, Jeroni Galmés, Ülo Niinemets, Domingo Sancho-Knapik, Eustaquio Gil-Pelegrín
Leaf dry mass per unit area (LMA) has been suggested to negatively affect the mesophyll conductance to CO2 (gm), the most limiting factor for photosynthesis per unit leaf area (AN) in many evergreens. Several anatomical traits (i.e., greater leaf thickness and thicker cell walls) constraining gm could explain the negative scaling of gm and AN with LMA across species. However, the Mediterranean sclerophyll Quercus ilex L. shows a major within-species variation in functional traits (greater LMA associated with higher nitrogen content and AN) that might contrast the worldwide trends...
May 24, 2017: Tree Physiology
https://www.readbyqxmd.com/read/28535887/discrepancies-between-protocols-and-publications-of-clinical-drug-trials-results-of-an-inception-cohort-study
#5
Cornelis A van den Bogert, Patrick C Souverein, Cecile Tm Brekelmans, Susan Wj Janssen, Gerard H Koëter, Hubert Gm Leufkens, Lex M Bouter
OBJECTIVE: To identify the occurrence and determinants of protocol-publication discrepancies in clinical drug trials. STUDY DESIGN AND SETTING: All published clinical drug trials reviewed by the Dutch Institutional Review Boards in 2007 were analyzed. Discrepancies between trial protocols and publications were measured among key reporting aspects. We evaluated the association of trial characteristics with discrepancies in primary endpoints by calculating the risk ratio (RR) and 95% confidence interval (CI)...
May 20, 2017: Journal of Clinical Epidemiology
https://www.readbyqxmd.com/read/28534439/hypolipidemic-and-hepatoprotective-activities-of-rosemary-and-thyme-in-gentamicin-treated-rats
#6
A M Hegazy, A S Abdel-Azeem, H M Zeidan, K S Ibrahim, Em El Sayed
Rosemary ( Rosmarinus officinalis; RM) and thyme ( Thymus vulgaris; TV) are used as remedies. We designed this work to investigate the preventive effect of aqueous extracts of RM or TV on the gentamicin (GM)-induced hepatotoxicity and abnormalities of lipid profile in rats. Both plant extracts exhibited an in vitro antioxidant activity as determined by the 1,1-diphenyl-2-picrylhydrazyl assay. Radical scavenging activity for TV extract was 48.7% and for RM extract was 25.6%. Polyphenolic determination by high-performance liquid chromatography for both extracts revealed that catechin, coumarin, cinnamic acid and rutin were detected in both extracts...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/28528095/structural-and-mechanical-properties-of-organogels-role-of-oil-and-gelator-molecular-structure
#7
Miguel A Cerqueira, Luiz H Fasolin, Carolina S F Picone, Lorenzo M Pastrana, Rosiane L Cunha, António A Vicente
This work aims at evaluating the influence of oil and gelator structure on organogels' properties through rheological measurements, polarized microscopy and small-angle X-ray scattering (SAXS). Four different food-grade gelators (glyceryl tristearate - GT; sorbitan tristearate - ST; sorbitan monostearate - SM and glyceryl monostearate - GM) were tested in medium-chain triglyceride and high oleic sunflower (MCT and LCT, respectively) oil phases. Organogels were prepared by mixing the oil phase and gelator at different concentrations (5, 10, 15, 20 and 25%) at 80°C during 30min...
June 2017: Food Research International
https://www.readbyqxmd.com/read/28526941/urinary-cadmium-and-cotinine-levels-and-hair-mercury-levels-in-czech-children-and-their-mothers-within-the-framework-of-the-cophes-democophes-projects
#8
Kateřina Forysová, Anna Pinkr-Grafnetterová, Marek Malý, Andrea Krsková, Jaroslav Mráz, Lucie Kašparová, Mája Čejchanová, Lenka Sochorová, Sylva Rödlová, Milena Černá
The COPHES/DEMOCOPHES twin project was performed in 2011-2012 in 17 European countries to harmonize all steps of the human biomonitoring survey. Urinary cadmium, cotinine, phthalate metabolites, and hair mercury were measured in children (N = 120, 6-11 years) and their mothers of reproductive age, living in urban or rural areas. Cadmium in mothers' and children's urine was detected at a geometric mean (GM) concentration 0.227 and 0.109 μg/L, respectively; 95th percentile (P95) was 0.655 and 0.280 μg/L in mothers and children, respectively...
May 19, 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28524239/oral-contraceptive-pills-risky-or-protective-in-case-of-trichinella-spiralis-infection
#9
Marwa A Hasby Saad, Dina A Radi, Eiman A Hasby
AIM: to investigate how Trichinella spiralis infection can be affected by contraceptive pills invivo. METHODS: included six groups of female Wistar rats; healthy, Trichinella infected, receiving combined contraceptive pills (COCPs), receiving progestin only pills (POPs), infected receiving COCPs and infected receiving POPs. Parasite burden was measured (two gender worm counts, gravidity, larvae/muscle and RCI). Histopathological examination, immunohistochemical detection of C-kit mast cells & Foxp3+ T-reg...
May 19, 2017: Parasite Immunology
https://www.readbyqxmd.com/read/28520084/renal-and-hematologic-side-effects-of-long-term-ivig-therapy-in-patients-with-neurologic-disorders
#10
Aidan A Levine, Todd D Levine, Kathie Clarke, David Saperstein
INTRODUCTION: For patients receiving intravenous immunoglobulin (IVIG), renal and hemolytic side effects are well recognized. However, there is very little data on the effects of chronic IVIG therapy. METHODS: We retrospectively analyzed laboratory data on 166 patients who received IVIG for 12 months with dosing from 0.441 gm/kg/month to 2.58 gm/kg/month, measuring changes in hematocrit and glomerular filtration rates (GFR) at 6 and 12 months. RESULTS: Of the 2,232 infusions, there were no incidents of clinical hemolysis...
May 18, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28513280/application-of-acoustic-radiation-force-impulse-arfi-elastography-in-imaging-of-delayed-onset-muscle-soreness-doms-a-comparative-analysis-with-3t-mri
#11
Thilo Hotfiel, Marion Kellermann, Bernd Swoboda, Dane Wildner, Tobias Golditz, Casper Grim, Martin Raithel, Michael Uder, Rafael Heiss
CONTEXT: DOMS is one of the most common reasons for impaired muscle performance in sports and is associated with reduced muscle strength and frequently observed both in professional and recreational athletes. OBJECTIVE: To emphasize the diagnostic value of Acoustic Radiation Force Impulse (ARFI) in imaging of Delayed Onset Muscle Soreness by comparing findings to high-resolution 3T MRI T2 weighted sequences. DESIGN: Case series. SETTING: Laboratory environment...
May 17, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28511436/glycaemic-and-insulin-response-to-equi-quantity-of-selected-common-indian-staples-in-individuals-with-type-2-diabetes-mellitus
#12
Neha V Paharia, Kasturi Sen Ray
INTRODUCTION: Diet therapy is one of the corner stone's in the management of diabetes. Keeping the blood sugar level as close to normal is the main focus of dietary management of diabetes. A typical Indian meal is largely composed of Carbohydrates (CHO). Consumption of staple cereals, forms the major source of CHO in the Indian diet. However, CHO metabolism is seen to be completely deranged in a person with type 2 diabetes. It is necessary to select the cereal which has lower postprandial glycaemic impact for subjects with compromised metabolic status...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28511395/clinical-and-cytological-spectrum-of-granulomatous-mastitis-and-utility-of-fnac-in-picking-up-tubercular-mastitis-an-eight-year-study
#13
Divya Achutha Ail, Pallavi Bhayekar, Avinash Joshi, Nidhi Pandya, Anuja Nasare, Pranoti Lengare, Ketan Ashok Narkhede
INTRODUCTION: Granulomatous Mastitis (GM) is a rare, benign, inflammatory disease of the breast. It is a well known mimicker of malignancy, clinically and radiologically. Patients are often subjected to number of tests for the right diagnosis. Non-specific Granulomatous Mastitis (NGM) and Tubercular Mastitis (TBM) are chief among the various causes of GM. They are important to be diagnosed early as their treatment varies significantly. Fine Needle Aspiration Cytology (FNAC) is simple, patient friendly and primary investigation modality in cases of lump in breast...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28511167/gut-microbiota-changes-as-a-risk-factor-for-obesity
#14
Krystyna B Kvit, Natalia V Kharchenko
INTRODUCTION: The number of obese people in recent decades is increasing significantly. Among the many aspects of obesity in the last decade, the role and importance of changes in the gut microbiota (GM) attracts special attention. The aim of the review was to analyze the results of studies, focused on the role of gut microbiota in the obesity development. MATERIALS AND METHODS: Screening was conducted on 33 researches, which examined the role of the gut microbiota balance in the development of obesity...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28510512/field-trial-of-insect-resistant-and-herbicide-tolerant-genetically-modified-cotton-gossypium-hirsutum-l-for-environmental-risk-assessment-in-japan
#15
Yoko Asanuma, Takahiro Gondo, Genki Ishigaki, Koichi Inoue, Norihiro Zaita, Melody Muguerza, Ryo Akashi
Japan imports cottonseed mainly from Australia and the USA where more than 96% of all cotton varieties grown are genetically modified (GM). GM crops undergo an environmental risk assessment (ERA) under the Law Concerning the Conservation and Sustainable Use of Biological Diversity before import into Japan. Potential adverse effects on biodiversity are comprehensively assessed based on competitiveness, production of harmful substances and outcrossing ability. Even though imported cottonseed is intended for food and feed uses and not for cultivation, the potential risks from seed spillage during transport must be evaluated...
April 3, 2017: GM Crops & Food
https://www.readbyqxmd.com/read/28509435/inpatient-iron-deficiency-detection-and-management-how-do-general-physicians-and-gastroenterologists-perform-in-a-tertiary-care-hospital
#16
Muhammad Waqas Fazal, Jane Andrews, Josephine Thomas, Eliana Saffouri
BACKGROUND: Iron deficiency (ID) is often an indicator of underlying pathology. Early detection and treatment avoids long term morbidity, and allows for prompt iron repletion avoiding ID anaemia (IDA) and need for blood transfusion. AIM: We aimed to evaluate the management of ID in two internal medicine units [General Medical (GM) & Gastroenterology (GE)] in a large metropolitan hospital and compare it to international guidelines.(3,4) METHOD: All consecutive inpatient admissions under GM & GE units were retrospectively reviewed until 40 patients in each service were identified with anaemia and/or microcytic hypochromic blood counts...
May 16, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28506782/the-misleading-effect-of-serum-galactomannan-testing-in-high-risk-hematology-patients-receiving-prophylaxis-with-micafungin
#17
A Vena, E Bouza, A Álvarez-Uría, J Gayoso, P Martin-Rabadan, F Cajuste, J Guinea, J Gómez Castellá, R Alonso, P Munoz
OBJECTIVES: To investigate the performance of the routine serum galactomannan (sGM) assay in the diagnosis of invasive aspergillosis (IA) in high-risk hematology patients receiving prophylaxis with micafungin. METHODS: Retrospective study including all hematological patients who received prophylaxis with micafungin during high-risk IA episodes (neutropenic patients after chemotherapy for acute myeloid leukaemia/myelodysplastic syndrome; allogeneic HSCT during early neutropenic phase or graft-versus-host disease requiring high prednisone doses)...
May 12, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28506023/optimization-method-of-mri-scan-parameters-of-a-double-inversion-recovery-sequence-using-a-t1-map-and-a-developed-analysis-algorithm
#18
Norio Hayashi, Kazuma Yarita, Kozue Sakata, Shunichi Motegi, Hiroyuki Nagase, Kouichi Ujita, Akio Ogura, Toshihiro Ogura, Takehiro Shimada, Yoshito Tsushima
BACKGROUND: Optimizing scan parameters for double inversion recovery (DIR) sequences remains difficult. OBJECTIVE: To evaluate a new method for optimizing DIR sequence scan parameters using T1 mapping and a newly developed analysis algorithm. METHODS: Twelve healthy volunteers underwent T1 mapping and DIR magnetic resonance imaging. The following steps were used for image optimization including: 1) measurement of gray matter (GM), white matter (WM), and cerebrospinal fluid (CSF) T1 values to create a T1 map; 2) calculation of optimized scan parameters by using a developed analysis algorithm; 3) performance assessment of DIR magnetic resonance imaging by using the calculated optimized imaging parameters...
May 6, 2017: Journal of X-ray Science and Technology
https://www.readbyqxmd.com/read/28504162/purification-of-glucomannan-from-salep-part-2-structural-characterization
#19
Abdullah Kurt, Talip Kahyaoglu
The aim of this study was to investigate the effects of different extraction temperatures (25, 55 and 85°C) on the structural characteristics of glucomannan (GM) purified from salep. All extraction conditions reduced protein content and molecular weight of salep. The effectiveness of removing the impurities and the highest purity of GM25 were observed with size exclusion profile. FTIR experiments demonstrated the presence of acetyl group, reduction of protein content and increment of polymer interaction of GM25...
August 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28501988/gluteus-maximus-contraction-velocity-assessed-by-tensiomyography-improves-following-arthroscopic-treatment-of-femoroacetabular-impingement
#20
Roberto Seijas, Miguel Marín, Eila Rivera, Eduard Alentorn-Geli, David Barastegui, Pedro Álvarez-Díaz, Ramón Cugat
PURPOSE: Muscular impairment, particularly for the gluteus maximus (GM), has been observed in femoroacetabular impingement (FAI). The purpose of this study was to evaluate the tensiomyographic changes of the GM, rectus femoris (RF) and adductor longus (AL) before and after arthroscopic surgery for FAI. It was hypothesized that arthroscopic treatment of FAI would improve the preoperative muscular impairment. METHODS: All patients undergoing arthroscopic treatment of FAI between January and July 2015 were approached for eligibility...
May 13, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
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