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https://www.readbyqxmd.com/read/28106085/the-%C3%AE-globin-replicator-greatly-enhances-the-potential-of-s-mar-based-episomal-vectors-for-gene-transfer-into-human-haematopoietic-progenitor-cells
#1
Eleana F Stavrou, Vassileios M Lazaris, Aristeidis Giannakopoulos, Eirini Papapetrou, Alexandros Spyridonidis, Nikolas C Zoumbos, Antonis Gkountis, Aglaia Athanassiadou
Specific human chromosomal elements enhance the performance of episomal gene-transfer vectors. S/MAR-based episomal vector pEPI-eGFP transfects CD34(+) haematopoietic cells, but only transiently. To address this issue we reinforced (1) transgene transcription by replacing the CMV promoter driving eGFP with the EF1/HTLV or SFFV promoters to produce vectors pEPI-EF1/HTLV and pEPI-SFFV, respectively; and (2) plasmid replication by inserting the replication-Initiation Region (IR) from the β-globin locus into vector pEPI-SFFV to produce vector pEP-IR...
January 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28097924/enhancing-the-performance-of-electro-peroxone-by-incorporation-of-uv-irradiation-and-bdd-anodes
#2
Nasr Bensalah, Ahmed Bedoui
In this work, the treatment of 4-nitrophenol (NP) in water by ozonation, electrolysis, electro-peroxone (EP), and photo-electro-peroxone (PEP) processes was investigated. PEP process is based on the combination of ozonation, UV irradiation, and electrolysis using carbon felt cathode and Boron Doped Diamond (BDD) anode. In this process, H2O2 is electrochemically generated from reduction of O2 in the ozone generator effluent at a carbon felt cathode. The insitu generated H2O2 is simultaneously decomposed by UV- photolysis and by reaction with O3 to form HO(-) radicals that can rapidly and non-selectively oxidize organic pollutants...
January 18, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28097434/work-related-infections-in-dentistry-risk-perception-and-preventive-measures
#3
Tatjana Ramich, Peter Eickholz, Sabine Wicker
OBJECTIVES: Evaluation of (1) the risk perception of work-related infections in dentistry, (2) the vaccination status, (3) knowledge of the blood-borne pathogens and HIV post-exposure prophylaxis (PEP) as well as (4) use of personal protective equipment (PPE) (gloves, goggles, mask) among the staff and students of the Center of Dentistry and Oral Medicine (ZZMK [Carolinum]) of the Goethe University Frankfurt/Main. MATERIAL AND METHODS: All staff (dentists, dental assistants) and students of the ZZMK with direct contact to patients were asked to anonymously complete a questionnaire...
January 18, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28097068/hepatic-fibrosis-and-factors-associated-with-liver-stiffness-in-hiv-mono-infected-individuals
#4
Mihály Sulyok, Tamás Ferenci, Mihály Makara, Gábor Horváth, János Szlávik, Zsófia Rupnik, Luca Kormos, Zsuzsanna Gerlei, Zita Sulyok, István Vályi-Nagy
BACKGROUND: Liver disease has become an important cause of morbidity and mortality even in those HIV-infected individuals who are devoid of hepatitis virus co-infection. The aim of this study was to evaluate the degree of hepatic fibrosis and the role of associated factors using liver stiffness measurement in HIV mono-infected patients without significant alcohol intake. METHODS: We performed a cross-sectional study of 101 HIV mono-infected patients recruited prospectively from March 1, 2014 to October 30, 2014 at the Center for HIV, St István and St László Hospital, Budapest, Hungary...
2017: PeerJ
https://www.readbyqxmd.com/read/28096020/effectiveness-of-a-psychoeducation-program-on-the-quality-of-life-in-patients-with-coronary-heart-disease-a-clinical-trial
#5
Sina Valiee, Narges Sadat Razavi, Mohammad Aghajani, Zahra Bashiri
AIM: The present study was conducted to evaluate effectiveness of a psychoeducation program (PEP) on the quality of life in patients with coronary heart disease (CHD). BACKGROUND: CHD affects patients' quality of life. PEPs may be useful to help patients reach maximum functional health. METHODS: A pretest-posttest controlled clinical trial was conducted on a study population of 70 CHD patients, who were selected through convenience sampling and randomly allocated to either the intervention or the control group...
February 2017: Applied Nursing Research: ANR
https://www.readbyqxmd.com/read/28095775/ara-peps-a-repository-of-putative-sorf-encoded-peptides-in-arabidopsis-thaliana
#6
Rashmi R Hazarika, Barbara De Coninck, Lidia R Yamamoto, Laura R Martin, Bruno P A Cammue, Vera van Noort
BACKGROUND: Many eukaryotic RNAs have been considered non-coding as they only contain short open reading frames (sORFs). However, there is increasing evidence for the translation of these sORFs into bioactive peptides with potent signaling, antimicrobial, developmental, antioxidant roles etc. Yet only a few peptides encoded by sORFs are annotated in the model organism Arabidopsis thaliana. RESULTS: To aid the functional annotation of these peptides, we have developed ARA-PEPs (available at http://www...
January 17, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28094492/tuning-the-surface-properties-of-graphene-oxide-by-surface-initiated-polymerization-of-epoxides-an-efficient-method-for-enhancing-gas-separation
#7
Yu Wu, Pan Jia, Linli Xu, Zhangyan Chen, Linhong Xiao, Jinhua Sun, Jun Zhang, Yong Huang, Christopher W Bielawski, Jianxin Geng
Here we describe an in situ approach for growing polyepoxides from the surfaces of graphene oxide (GO) using a surface-initiated polymerization reaction. The polymerization methodology is facile and general as a broad range of epoxides carrying various functional groups have been successfully polymerized by simply adding GO powders in the epoxide monomers. The resultant polyepoxide grafted GO are found to show enhanced dispersibility in various common solvents and to exhibit increased d-spacing between the basal planes...
January 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28093827/trajectories-of-sleep-and-cardiac-sympathetic-activity-indexed-by-pre-ejection-period-in-childhood
#8
Mona El-Sheikh, J Benjamin Hinnant, Lauren E Philbrook
Fragmented and insufficient sleep has been implicated in disrupted autonomic nervous system activity during resting state conditions in typically developing children. Towards explication of these relations over development, the current study tested reciprocal relations between the development of sleep parameters (efficiency, duration, latency) and cardiac sympathetic nervous system (SNS) activity indexed by pre-ejection period (PEP) during waking-resting state conditions throughout middle and late childhood...
January 17, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28090570/targeted-inhibition-of-pancreatic-acinar-cell-calcineurin-is-a-novel-strategy-to-prevent-post-ercp-pancreatitis
#9
Abrahim I Orabi, Li Wen, Tanveer A Javed, Tianming Le, Ping Guo, Subramaniam Sanker, David Ricks, Kristy Boggs, John F Eisses, Carlos Castro, Xiangwei Xiao, Krishna Prasadan, Farzad Esni, George K Gittes, Sohail Z Husain
BACKGROUND AND AIMS: There is a pressing need to develop effective preventative therapies for post-ERCP pancreatitis (PEP). We demonstrated that early PEP events are induced through the calcium-activated phosphatase calcineurin and that global calcineurin deletion abolishes PEP in mice. A crucial question is whether acinar cell calcineurin controls the initiation of PEP in vivo. METHODS: We used a mouse model of PEP and examined the effects of in vivo acinar cell-specific calcineurin deletion by either generating a conditional knockout line or infusing a novel AAV-Ela-iCre into the pancreatic duct of a calcineurin floxed line...
January 2017: Cellular and Molecular Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28088679/post-event-processing-in-social-anxiety-disorder-examining-the-mediating-roles-of-positive-metacognitive-beliefs-and-perceptions-of-performance
#10
Dubravka Gavric, David A Moscovitch, Karen Rowa, Randi E McCabe
BACKGROUND: Post-event processing (PEP) is defined as repetitive negative thinking following anxiety provoking social events. PEP is thought to maintain anxiety symptoms in Social Anxiety Disorder (SAD) but little is known about the specific factors that contribute to the maintenance of PEP. AIMS: The current study investigated how perceptions of performance and positive metacognitive beliefs might contribute to the persistence of PEP. METHOD: Participants with SAD (n = 24) as well as anxious (n = 24) and healthy (n = 25) control participants completed a standardized social performance task in the lab...
January 4, 2017: Behaviour Research and Therapy
https://www.readbyqxmd.com/read/28070755/social-adversity-and-antisocial-behavior-mediating-effects-of-autonomic-nervous-system-activity
#11
Shawn E Fagan, Wei Zhang, Yu Gao
The display of antisocial behaviors in children and adolescents has been of interest to criminologists and developmental psychologists for years. Exposure to social adversity is a well-documented predictor of antisocial behavior. Additionally, measures of autonomic nervous system (ANS) activity, including heart rate variability (HRV), pre-ejection period (PEP), and heart rate, have been associated with antisocial behaviors including rule-breaking and aggression. Social neuroscience research has begun to investigate how neurobiological underpinnings affect the relationship between social adversity and antisocial/psychopathic behavior in children and adolescents...
January 9, 2017: Journal of Abnormal Child Psychology
https://www.readbyqxmd.com/read/28069471/an-unexpected-fatal-cchf-case-and-management-of-exposed-health-care-workers
#12
Goksel Guven, Leyla Talan, Neriman Defne Altintaş, Kemal Osman Memikoglu, Fugen Yoruk, Alpay Azap
Crimean-Congo hemorrhagic fever (CCHF) is a tick borne viral disease which can also be transmitted by direct contact with blood or tissue specimens of infected animals or humans. We present a fatal case of CCHF, who was diagnosed after death, and describe the post-exposure management plan for the health care workers (HCWs) involved in her care. In total of 52 HCWs were involved in the patient's care and they were stratified into risk groups. Overall, 20 HCWs were grouped in high and intermediate risk groups, including the HCW with needle stick injury...
January 6, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28064057/udp-n-acetylglucosamine-enolpyruvyl-transferase-mura-of-acinetobacter-baumannii-abmura-structural-and-functional-properties
#13
Amit Sonkar, Harish Shukla, Rohit Shukla, Jupitara Kalita, Tripti Pandey, Timir Tripathi
Peptidoglycan (PG) is the key component of the bacterial cell wall. The enzyme UDP-N-Acetylglucosamine Enolpyruvyl Transferase (MurA) catalyzes the transfer of enolpyruvate from phosphoenolpyruvate (PEP) to uridinediphospho-N-acetylglucosamine (UNAG), which is the first committed step of PG biosynthesis. Here, we present the biochemical and structural features of the MurA enzyme of the opportunistic pathogen Acinetobacter baumannii (AbMurA). The recombinant AbMurA exists as a monomer in solution and shows optimal activity at pH 7...
January 4, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28062312/incidence-and-risk-factors-for-post-ercp-pancreatitis-in-chronic-pancreatitis
#14
Zhen-Hua Zhao, Liang-Hao Hu, Hong-Bo Ren, An-Jing Zhao, Yang-Yang Qian, Xiao-Tian Sun, Song Su, Shu-Guang Zhu, Jin Yu, Wen-Bin Zou, Xiao-Rong Guo, Lei Wang, Zhao-Shen Li, Zhuan Liao
BACKGROUND AND AIMS: Almost all studies on post-ERCP pancreatitis (PEP) have mainly involved patients with biliary diseases, rather than chronic pancreatitis; and the concept that chronic pancreatitis (CP) seems to be a protective factor associated with PEP has not been studied in detail. The aim of this study was to determine the incidence of PEP in patients with CP at different clinical stages and to identify the predictive and protective factors of PEP in a large cohort. METHODS: This is an observational cohort study...
January 3, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28061031/inhibition-and-degradation-of-amyloid-beta-a%C3%AE-40-fibrillation-by-designed-small-pep-tide-a-combined-spectroscopy-microscopy-and-cell-toxicity-study
#15
Anirban Ghosh, Nibedita Pradhan, Swapna Bera, Aritreyee Datta, Janarthanan Krishnamoorthy, Nikhil R Jana, Anirban Bhunia
A designed non-toxic, non-hemolytic 11-residue peptide, NF11 (NAVRWSLMRPF) not only inhibits the aggregation of Amyloid beta (Aβ40) protein but also disaggregates the pre-formed oligomers and mature Aβ fibrils thereby reducing associated-toxicity. NMR experiments provide evidence of NF11's ability to inhibit fibril formation, primarily through interaction with the N-terminus region as well as the central hydrophobic cluster of Aβ40. NF11 has micro molar binding affinity towards both monomeric and aggregated species for efficient clearance of toxic aggregates...
January 6, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28060935/high-incidence-of-human-rabies-exposure-in-northwestern-tigray-ethiopia-a-four-year-retrospective-study
#16
Gebreyohans Gebru Teklu, Teweldemedhn Gebretinsae Hailu, Gebremedhin Romha Eshetu
BACKGROUND: Rabies is a fatal zoonotic disease that has been known in Ethiopia for centuries in society as "Mad Dog Disease". It is an important disease with veterinary and public health significance in the North western zone of Tigray where previous studies have not been conducted. Frequent occurrence of outbreaks in the area led the researchers to carry out a four year retrospective study to estimate the incidence of human rabies exposure in Northwestern Tigray, Ethiopia. METHODOLOGY: A referent study was conducted on human rabies exposure cases recorded from 2012 to 2015 at Suhul hospital, Shire Endaselase, Northwestern Tigray, Ethiopia...
January 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28056495/novel-rosaceae-plant-elicitor-peptides-as-sustainable-tools-to-control-xanthomonas-arboricola-pv-pruni-in-prunus-spp
#17
Cristina Ruiz, Anna Nadal, Emilio Montesinos, Maria Pla
Fruit crops are regarded as important health promoters and constitute a major part of global agricultural production, and Rosaceae species are of high economic impact. Their culture is threatened by bacterial diseases, which control is only based on preventive treatment with compounds with limited efficacy and a negative environmental impact. One of the most economically relevant examples is the pathogen Xanthomonas arboricola pv. pruni (Xap) affecting Prunus spp. Plant immune response against pathogens can be triggered and amplified by plant elicitor peptides (Peps), perceived by specific receptors (PEPRs)...
January 5, 2017: Molecular Plant Pathology
https://www.readbyqxmd.com/read/28056006/human-rabies-puerto-rico-2015
#18
Ashley Styczynski, Cuc Tran, Emilio Dirlikov, María Ramos Zapata, Kyle Ryff, Brett Petersen, Anibal Cruz Sanchez, Marrielle Mayshack, Laura Castro Martinez, Rene Condori, James Ellison, Lillian Orciari, Pamela Yager, Rafael González Peña, Dario Sanabria, Julio Cádiz Velázquez, Dana Thomas, Brenda Rivera García
On December 1, 2015, the Puerto Rico Department of Health (PRDH) was notified by a local hospital of a suspected human rabies case. The previous evening, a Puerto Rican man aged 54 years arrived at the emergency department with fever, difficulty swallowing, hand paresthesia, cough, and chest tightness. The next morning the patient left against medical advice but returned to the emergency department in the afternoon with worsening symptoms. The patient's wife reported that he had been bitten by a mongoose during the first week of October, but had not sought care for the bite...
January 6, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28050366/practices-of-health-care-personnel-regarding-occupational-exposure
#19
Manisha Jain, Ekadashi Rajni Sabharwal, Dhirendra Srivastava
INTRODUCTION: With advancing health care sciences, the prevalence of Accidental Exposure to Patient's Blood (AEBP) amongst Health Care Personnel (HCP) is bound to increase. The only means of preventing such accidental exposure is safe working practices. It is the responsibility of the teachers to inculcate these practices amongst their students. AIM: To evaluate the knowledge, practice and attitude regarding Post Exposure Prophylaxis (PEP) and Hepatitis-B Virus (HBV) immunization amongst faculty and undergraduate students and to assess the frequency of these occupational exposure with the objective of inculcating safe working practices in the teaching curriculum...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28045507/linear-free-energy-relationship-analysis-of-transition-state-mimicry-by-3-deoxy-d-arabino-heptulosonate-7-phosphate-dahp-oxime-a-dahp-synthase-inhibitor-and-phosphate-mimic
#20
Naresh Balachandran, Frederick To, Paul J Berti
3-Deoxy-d-arabino-heptulosonate-7-phosphate (DAHP) synthase catalyzes an aldol-like reaction of phosphoenolpyruvate (PEP) with erythrose 4-phosphate (E4P) to form DAHP in the first step of the shikimate biosynthetic pathway. DAHP oxime, in which an oxime replaces the ketone, is a potent inhibitor, with Ki = 1.5 μM. Linear free energy relationship (LFER) analysis of DAHP oxime inhibition using DAHP synthase mutants revealed an excellent correlation between transition state stabilization and inhibition. The equations of LFER analysis were rederived to formalize the possibility of proportional, rather than equal, changes in the free energies of transition state stabilization and inhibitor binding, in accord with the fact that the majority of LFER analyses in the literature demonstrate nonunity slopes...
January 13, 2017: Biochemistry
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