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https://www.readbyqxmd.com/read/28533667/octogenarian-liver-grafts-is-their-use-for-transplant-currently-justified
#1
Carlos Jiménez-Romero, Felix Cambra, Oscar Caso, Alejandro Manrique, Jorge Calvo, Alejandro Marcacuzco, Paula Rioja, David Lora, Iago Justo
AIM: To analyse the impact of octogenarian donors in liver transplantation. METHODS: We present a retrospective single-center study, performed between November 1996 and March 2015, that comprises a sample of 153 liver transplants. Recipients were divided into two groups according to liver donor age: recipients of donors ≤ 65 years (group A; n = 102), and recipients of donors ≥ 80 years (group B; n = 51). A comparative analysis between the groups was performed...
May 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28526389/citrulline-stimulates-locomotor-activity-in-aged-rats-implication-of-the-dopaminergic-pathway
#2
Christophe Moinard, Laurent Tliba, Jorge Diaz, Servane Le Plénier, Laure Nay, Nathalie Neveux, Luc Cynober, Agathe Raynaud-Simon
OBJECTIVES: A citrulline (CIT)-enriched diet improves locomotor activity in aged rats, but the underlying mechanism is unknown. The aim of this study was to determine the effect of CIT administration on locomotor activity and dopamine activity in healthy aged rats. METHODS: Sixty adult (3-mo-old) and aged (20-mo-old) rats were divided into four groups (n = 15 each) stratified by age (adult versus old) and diet (control versus CIT; i.e., Ad-Control, Ad-CIT, Old-Control, Old-CIT) and fed for 4 d on either a CIT-enriched diet (5 g/kg daily; Ad-CIT and Old-CIT) or an isonitrogeneous control diet (Ad-Control and Old-Control)...
June 2017: Nutrition
https://www.readbyqxmd.com/read/28511010/%C3%AF-extended-and-curved-anti-aromatic-polycyclic-hydrocarbons
#3
Junzhi Liu, Ji Ma, Ke Zhang, Prince Ravat, Peter Machata, Stanislav M Avdoshenko, Felix Hennersdorf, Hartmut Komber, Wojciech Pisula, Jan J Weigand, Alexey A Popov, Reinhard Berger, Klaus Müllen, Xinliang Feng
Synthesis of anti-aromatic polycyclic hydrocarbons (PHs) is challenging because the high energy of their highest occupied molecular orbital (HOMO) and low energy of their lowest unoccupied molecular orbital (LUMO) cause them to be reactive and unstable. In this work, two large anti-aromatic acene analogues, namely cyclopenta[pqr]indeno[2,1,7-ijk]tetraphene (CIT, 1a) and cyclopenta[pqr]indeno[7,1,2-cde]picene (CIP, 1b), as well as a curved anti-aromatic molecule with 48 π-electrons, dibenzo[a,c]diindeno[7,1,2-fgh:7',1',2'-mno]phenanthro[9,10-k]tetraphene (DPT, 1c), are synthesized based on the corona of indeno[1,2-b]fluorene...
May 16, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28490094/development-of-monoclonal-antibody-based-elisa-for-the-quantification-of-orange-allergen-cit-s-2-in-fresh-and-processed-oranges
#4
Kyohei Kiyota, Kentaro Kawatsu, Junko Sakata, Masato Yoshimitsu, Kazuhiko Akutsu, Taro Satsuki-Murakami, Masami Ki, Keiji Kajimura, Tetsuo Yamano
The aim of this study was to develop a monoclonal antibody (mAb)-based enzyme-linked immunosorbent assay (ELISA) for the quantification of a major allergen (Cit s 2) in fresh and processed oranges. Purified recombinant Cit s 2 (rCit s 2)-small ubiquitin-like modifier (SUMO) was used for the production of mAbs. In the optimized ELISA, the recovery of rCit s 2 from Navel oranges or orange juice was 107-132%, and the intra- and inter-assay coefficients of variation were 3.1-8.8% and 4.4-11%, respectively. The Cit s 2 content in fresh oranges was determined to be 1,800±430ng/g, while this content was much lower in the processed foods...
October 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28474602/a-highly-sensitive-biosensing-platform-based-on-upconversion-nanoparticles-and-graphene-quantum-dots-for-the-detection-of-ag
#5
Lu He, Lin Yang, Hao Zhu, Wenkui Dong, Yujie Ding, Jun-Jie Zhu
A novel luminescence 'Turn-On' nanoplatform for the sensitive sensing of Ag(+) was fabricated based on luminescence resonance energy transfer technique between sodium citrate functionalized upconversion nanoparticles (Cit-UCNPs, energy donor) and graphene quantum dots (GQDs, energy acceptor). Amino-labeled single-stranded DNA (NH2-ssDNA) containing a number of cytosine (C) was conjugated on the surface of the Cit-UCNPs to capture Ag(+) ions. Due to the π-π stacking interaction between NH2-ssDNA and GQDs, the upconversion luminescence can be quenched...
May 5, 2017: Methods and Applications in Fluorescence
https://www.readbyqxmd.com/read/28468989/citron-kinase-renaissance-of-a-neglected-mitotic-kinase
#6
REVIEW
Pier Paolo D'Avino
Cell division controls the faithful segregation of genomic and cytoplasmic materials between the two nascent daughter cells. Members of the Aurora, Polo and cyclin-dependent (Cdk) kinase families are known to regulate multiple events throughout cell division, whereas another kinase, citron kinase (CIT-K), for a long time has been considered to function solely during cytokinesis, the last phase of cell division. CIT-K was originally proposed to regulate the ingression of the cleavage furrow that forms at the equatorial cortex of the dividing cell after chromosome segregation...
May 3, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28467135/using-the-critical-incident-technique-to-measure-long-term-outcomes-of-interprofessional-education
#7
Emily Graybill, Akilah Heggs, Stephen Truscott, Erin Vinoski, Mark Crenshaw, Daniel Crimmins
There is a critical need to develop methods that capture long-term trainee outcomes and link these outcomes to interprofessional education (IPE) to establish the value added from IPE. This article describes the use of the critical incident technique (CIT) to evaluate long-term trainee outcomes attributed to IPE. Critical incidents (CIs) are specific examples of behaviours that occurred within the recent past. Trainees of an IPE programme (n = 24) were interviewed using CIT. Across the trainees, 41 CIs were reported, of which 9 were collapsed due to similarity in theme...
May 3, 2017: Journal of Interprofessional Care
https://www.readbyqxmd.com/read/28457359/transport-of-human-organs-in-italy-location-time-and-performances
#8
L Mantecchini, F Paganelli, D Peritore, S Trapani, V Morabito, A Oliveti, D Stabile, P Fiaschetti, L Rizzato, A Nanni Costa
INTRODUCTION: The outcome of transplantation activities depends on a variety of unpredictable factors. Up-to-date criteria on organ allocation foresee an efficient transport chain along with compliant performance parameters. METHODS AND OBJECTIVES: The Centro Nazionale Trapianti and the Department of Civil, Chemical, Environmental, and Materials Engineering of the University of Bologna (respectively, CNT and DICAM) have been updating a national database of organ transplantation activities to investigate performance parameters and the main causes of disruption...
May 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28450306/osteoblasts-support-megakaryopoiesis-through-production-of-interleukin-9
#9
Min Xiao, Yongkui Wang, Chen Tao, Zhenyu Wang, Jun Yang, Zhenguo Chen, Zhipeng Zou, Mangmang Li, Anling Liu, Chunhong Jia, Bin Huang, Bo Yan, Pinglin Lai, Changhai Ding, Daozhang Cai, Guozhi Xiao, Yu Jiang, Xiaochun Bai
Severe thrombocytopenia is a significant challenge in patients undergoing myelosuppressive chemotherapy for malignancies. Understanding the biology of platelet-producing megakaryocytes development in the bone marrow microenvironment may facilitate the development of novel therapies to stimulate platelet production and prevent thrombocytepenia. We report here that osteoblasts supported megakaryopoiesis by secreting interleukin-9 (IL-9), which stimulated IL-9 receptor (IL-9R)/Stat3 signaling in promoting megakaryopoiesis...
April 27, 2017: Blood
https://www.readbyqxmd.com/read/28446054/pharmacotherapy-of-relapsed-refractory-chronic-lymphocytic-leukemia
#10
Abdallah Abou Zahr, Prithviraj Bose, Michael J Keating
The treatment of relapsed/refractory (RR) CLL has been revolutionized by the advent of the new oral inhibitors of B-cell receptor (BCR) signaling and the pro-survival protein, B-cell lymphoma 2 (BCL2). Additionally, new and more potent monoclonal antibodies against CD20 have replaced/may replace rituximab in many settings. Areas covered: Herein, we review the entire therapeutic landscape of RR CLL, with particular attention to the new small-molecule kinase inhibitors and BH3-mimetics. We discuss preclinical data with these agents in CLL, cover available efficacy and safety information, and examine potential resistance mechanisms and possible rational combinations to circumvent them...
June 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28442361/neuroprotective-effects-of-astaxanthin-in-a-rat-model-of-spinal-cord-injury
#11
Alireza Masoudi, Leila Dargahi, Fatemeh Abbaszadeh, Mohammad Hosein Pourgholami, Alireza Asgari, Mehdi Manoochehri, Masoumeh Jorjani
Spinal cord injury (SCI) often leads to constant neurological deficits and long-term unalterable disability. Apoptosis plays an important role in the initiation of the secondary injury cascades leading to progressive tissue damage and severely functional deficits after SCI. Although the primary mechanical destructive events cannot be reversed, a therapeutic intervention could be carried out in order to moderate the secondary injury damage several hours to weeks after injury. Astaxanthin (AST) is a strong antioxidant and anti-inflammatory agents with the potential to render anti-apoptotic and neuroprotective effects...
April 23, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28440093/turmeric-curcuma-longa-l-extract-may-prevent-the-deterioration-of-spatial-memory-and-the-deficit-of-estimated-total-number-of-hippocampal-pyramidal-cells-of-trimethyltin-exposed-rats
#12
Sapto Yuliani, Mustofa, Ginus Partadiredja
CONTEXT: Protection of neurons from degeneration is an important preventive strategy for dementia. Much of the dementia pathology implicates oxidative stress pathways. Turmeric (Curcuma longa L.) contains curcuminoids which has anti-oxidative and neuro-protective effects. These effects are considered to be similar to those of citicoline which has been regularly used as one of standard medications for dementia. OBJECTIVE: This study aimed at investigating the effects of turmeric rhizome extract on the hippocampus of trimethyltin (TMT)-treated Sprague-Dawley rats...
April 25, 2017: Drug and Chemical Toxicology
https://www.readbyqxmd.com/read/28436761/androgen-and-estrogen-shifts-in-men-before-and-after-bariatric-surgery-and-links-to-vitamins-and-trace-elements
#13
Alberto Rosenblatt, Joel Faintuch, Ivan Cecconello
Androgens and estrogens play a key role regarding sexual life and reproduction. Along with hypotestosteronemia, obese men exhibit a 2-fold increase in estradiol concentration, adversely infl uencing these parameters. Estrogens and adipokines also infl uence bone metabolism, exerting a direct effect on vitamin D, calcium homeostasis and bone health. Bariatric procedures normalize some sex hormones, and may reverse several obesity-related conditions. Estrogens levels may remain elevated postoperatively, and despite its protective effect on the skeleton, bariatric patients are more prone to fractures when compared to the general population...
April 24, 2017: International Journal for Vitamin and Nutrition Research. Journal International de Vitaminologie et de Nutrition
https://www.readbyqxmd.com/read/28436657/role-of-humic-acid-in-the-stability-of-ag-nanoparticles-in-suboxic-conditions
#14
Christopher J Milne, Dan J Lapworth, Daren C Gooddy, Christine N Elgy, Éugenia Valsami-Jones
Stability and temporal changes in size distributions have been observed for citrate- (cit) and polyvinylpyrrolidone- (PVP) capped silver nanoparticles (AgNPs), in the presence or absence of sulfide and natural organic matter (NOM, as humic acid), while under suboxic conditions. There were substantial differences in the influence of the two capping agents, with PVP-AgNPs showing few or no significant changes in apparent stability or particle size distribution under the conditions examined, while the apparent size distributions of citrate-capped AgNPs changed rapidly...
May 9, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28428714/predictors-for-difficult-cecal-insertion-in-colonoscopy-the-impact-of-obesity-indices
#15
Soo Yun Moon, Byung Chang Kim, Dae Kyung Sohn, Kyung Su Han, Bun Kim, Chang Won Hong, Bum Joon Park, Kum Hei Ryu, Ji Hyung Nam
AIM: To identify the factors influencing cecal insertion time (CIT) and to evaluate the effect of obesity indices on CIT. METHODS: We retrospectively reviewed the data for participants who received both colonoscopy and abdominal computed tomography (CT) from February 2008 to May 2008 as part of a comprehensive health screening program. Age, gender, obesity indices [body mass index (BMI), waist-to-hip circumference ratio (WHR), waist circumference (WC), visceral adipose tissue (VAT) volume and subcutaneous adipose tissue (SAT) volume on abdominal CT], history of prior abdominal surgery, constipation, experience of the colonoscopist, quality of bowel preparation, diverticulosis and time required to reach the cecum were analyzed...
April 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28424858/electrochemical-simulation-of-biotransformation-reactions-of-citrinin-and-dihydroergocristine-compared-to-uv-irradiation-and-fenton-like-reaction
#16
Julia Keller, Hajo Haase, Matthias Koch
Mycotoxins occur widely in foodstuffs and cause a variety of mold-related health risks to humans and animals. Elucidation of the metabolic fate of mycotoxins and the growing number of newly discovered mycotoxins have enhanced the demand for fast and reliable simulation methods. The viability of electrochemistry coupled with mass spectrometry (EC/ESI-MS), Fenton-like oxidation, and UV irradiation for the simulation of oxidative phase I metabolism of the mycotoxins citrinin (CIT) and dihydroergocristine (DHEC) was investigated...
April 19, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28424541/physician-s-recommendation-and-explanation-is-important-in-the-initiation-and-maintenance-of-allergen-immunotherapy
#17
Young-Hee Nam, Soo-Keol Lee
BACKGROUND: Allergen immunotherapy (AIT) is currently the only immune-modifying treatment for allergic disease. The clinical efficacy of AIT for the treatment of allergic rhinitis and bronchial asthma is well documented. However, many factors including inconvenience, cost, side effects, and adherence influence the initiation and persistence of AIT, and patients lack knowledge and have misconceptions about the treatment. OBJECTIVE: We evaluated the knowledge, attitude, and satisfaction of patients who received AIT...
2017: Patient Preference and Adherence
https://www.readbyqxmd.com/read/28422979/correlation-of-egfr-or-kras-mutation-status-with-18f-fdg-uptake-on-pet-ct-scan-in-lung-adenocarcinoma
#18
Kazuya Takamochi, Kaoru Mogushi, Hideya Kawaji, Kota Imashimizu, Mariko Fukui, Shiaki Oh, Masayoshi Itoh, Yoshihide Hayashizaki, Weijey Ko, Masao Akeboshi, Kenji Suzuki
BACKGROUND: 18F-fluoro-2-deoxy-glucose (18F-FDG) positron emission tomography (PET) is a functional imaging modality based on glucose metabolism. The correlation between EGFR or KRAS mutation status and the standardized uptake value (SUV) of 18F-FDG PET scanning has not been fully elucidated. METHODS: Correlations between EGFR or KRAS mutation status and clinicopathological factors including SUVmax were statistically analyzed in 734 surgically resected lung adenocarcinoma patients...
2017: PloS One
https://www.readbyqxmd.com/read/28415998/effectiveness-of-current-policing-related-mental-health-interventions-in-england-and-wales-and-crisis-intervention-teams-as-a-future-potential-model-a-systematic-review
#19
Eddie Kane, Emily Evans, Farhad Shokraneh
BACKGROUND: Experiencing mental ill health adds a layer of complexity for individuals in touch with the justice system and for those responsible for working in the justice service with these individuals, such as frontline police officers. In England and Wales, there are three commonly used but not necessarily commonly designed or operated, mental health interventions associated with policing, Liaison and Diversion, Street Triage and specialist staff embedded in Police Contact Control Rooms...
April 17, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/28412271/impact-of-a-new-distal-attachment-on-colonoscopy-performance-in-an-academic-screening-center
#20
Zacharias P Tsiamoulos, Ravi Misra, Rajaratanam Rameshshanker, Timothy R Elliott, Iosif Beintaris, Siwan Thomas-Gibson, Adam Haycock, Noriko Suzuki, Colin Rees, Brian P Saunders
BACKGROUND AND AIMS: Distal attachments placed on the colonoscope tip may positively affect performance by assisting insertion and polyp detection. The Endocuff-original appears to improve adenoma detection rate, but there are no data assessing the performance of the second generation Endocuff-vision. METHODS: A pilot service evaluation study (April-2013/September-2014) was conducted on patients with positive faecal occult blood tests within the National Bowel Cancer Programme during 3 consecutive periods: pre-cuff/no device used, during-cuff/device used and post-cuff/no device used...
April 12, 2017: Gastrointestinal Endoscopy
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