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https://www.readbyqxmd.com/read/28549272/acute-toxicity-of-emerging-atmospheric-pollutants-from-wood-lignin-due-to-biomass-burning
#1
Maryline Pflieger, Ana Kroflič
Guaiacol (2-methoxyphenol) is an important atmospheric pollutant. It is the major component of wood lignin and is essentially emitted to the atmosphere during biomass burning. Its aging in the tropospheric aqueous phase leads to the generation of the following ring-retaining transformation products, also during nighttime: 4-nitroguaiacol, 6-nitroguaiacol, and dinitroguaiacol. This study presents the first toxicological data of guaiacol and its nitro derivatives and reveals their harmful potential for the ecosystem...
May 15, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28549019/ocular-genetics-in-taiwan
#2
Yu-Hung Lai, Kwou-Yeung Wu
PURPOSE OF REVIEW: Ocular genetics is an emerging specialty which has accompanied the advancement of modern genetic technology. This review is to understand the current status of practice in ocular genetics in Taiwan. RECENT FINDINGS: There is only one ocular genetics clinic in Taiwan. Certified clinical laboratories provide few gene tests in ocular genetics. Most ocular genetic study is focused on myopia. Financial obstacles are a major problem for patients to seek gene tests...
April 25, 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28548881/constraints-drivers-and-implications-of-influenza-a-virus-reassortment
#3
Anice C Lowen
Influenza A viruses are constantly changing. This change accounts for seasonal epidemics, infrequent pandemics, and zoonotic outbreaks. A major mechanism underlying the genetic diversification of influenza A virus is reassortment of intact gene segments between coinfecting viruses. This exchange is possible because of the segmented nature of the viral genome. Here, I first consider the constraints and drivers acting on influenza A virus reassortment, including the likelihood of coinfection at the host and cellular levels, mixing and assembly of heterologous gene segments within coinfected cells, and the fitness associated with reassortant genotypes...
May 26, 2017: Annual Review of Virology
https://www.readbyqxmd.com/read/28548708/glucocerebrosidase-mutations-and-neuropsychiatric-phenotypes-in-parkinson-s-disease-and-lewy-body-dementias-review-and-meta-analyses
#4
REVIEW
Byron Creese, Emily Bell, Iskandar Johar, Paul Francis, Clive Ballard, Dag Aarsland
Heterozygous mutations in glucocerebrosidase gene (GBA) are a major genetic risk factor for Parkinson's disease (PD) and dementia with Lewy bodies (DLB). Recently, there has been a considerable focus on the relationship between GBA mutations and emergence of cognitive impairment and neuropsychiatric symptoms in these diseases. Here, we review the literature in this area, with a particular focus, including meta-analysis, on the key neuropsychiatric symptoms of cognitive impairment, psychosis, and depression in Parkinson's disease...
May 26, 2017: American Journal of Medical Genetics. Part B, Neuropsychiatric Genetics
https://www.readbyqxmd.com/read/28548540/nicotinamide-adenine-dinucleotide-nad-sup-sup-metabolism-and-neurodegeneration
#5
Mariana Pehar, Benjamin A Harlan, Kelby M Killoy, Marcelo R Vargas
SIGNIFICANCE: Nicotinamide adenine dinucleotide (NAD<sup>+</sup>) participates in redox reactions and NAD<sup>+</sup>-dependent signaling processes, which involve the cleavage of NAD<sup>+</sup> coupled to post-translational modifications of proteins or the production of second messengers. Either as a primary cause or as a secondary component of the pathogenic process, mitochondrial dysfunction and oxidative stress are prominent features of several neurodegenerative diseases...
May 26, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28548204/endovascular-treatment-for-ruptured-abdominal-aortic-aneurysm
#6
REVIEW
Stephen Badger, Rachel Forster, Paul H Blair, Peter Ellis, Frank Kee, Denis W Harkin
BACKGROUND: An abdominal aortic aneurysm (AAA) (pathological enlargement of the aorta) is a condition that can occur as a person ages. It is most commonly seen in men older than 65 years of age. Progressive aneurysm enlargement can lead to rupture and massive internal bleeding, which is fatal unless timely repair can be achieved. Despite improvements in perioperative care, mortality remains high (approximately 50%) after conventional open surgical repair. Endovascular aneurysm repair (EVAR), a minimally invasive technique, has been shown to reduce early morbidity and mortality as compared to conventional open surgery for planned AAA repair...
May 26, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28547292/physiological-implications-of-ocean-acidification-for-marine-fish-emerging-patterns-and-new-insights
#7
REVIEW
Andrew J Esbaugh
Ocean acidification (OA) is an impending environmental stress facing all marine life, and as such has been a topic of intense research interest in recent years. Numerous detrimental effects have been documented in marine fish, ranging from reduced mortality to neurosensory impairment, and the prevailing opinions state that these effects are largely the downstream consequences of altered blood carbon dioxide chemistry caused by respiratory acid-base disturbances. While the respiratory acid-base disturbances are consistent responses to OA across tested fish species, it is becoming increasingly clear that there is wide variability in the degree of downstream impairments between species...
May 25, 2017: Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology
https://www.readbyqxmd.com/read/28546981/nurses-commitment-to-respecting-patient-dignity
#8
Zahra Raee, Heidarali Abedi, Mohsen Shahriari
BACKGROUND: Although respecting human dignity is a cornerstone of all nursing practices, industrialization has gradually decreased the attention paid to this subject in nursing care. Therefore, the present study aimed to investigate nurses' commitment to respecting patient dignity in hospitals of Isfahan, Iran. METHODS: This descriptive-analytical study was conducted in hospitals of Isfahan. Overall, 401 inpatients were selected by cluster sampling and then selected simple random sampling from different wards...
2017: Journal of Education and Health Promotion
https://www.readbyqxmd.com/read/28546917/challenges-in-the-delivery-of-therapies-to-melanoma-brain-metastases
#9
Gautham Gampa, Shruthi Vaidhyanathan, Brynna-Wilken Resman, Karen E Parrish, Svetomir N Markovic, Jann N Sarkaria, William F Elmquist
Brain metastases are a major cause of morbidity and mortality in patients with advanced melanoma. Recent approval of several molecularly-targeted agents and biologics has brought hope to patients with this previously untreatable disease. However, patients with symptomatic melanoma brain metastases have often been excluded from pivotal clinical trials. This may be in part attributed to the fact that several of the approved small molecule molecularly-targeted agents are substrates for active efflux at the blood-brain barrier, limiting their effective delivery to brain metastases...
December 2016: Current Pharmacology Reports
https://www.readbyqxmd.com/read/28546901/macrophages-as-effectors-of-acute-and-chronic-allograft-injury
#10
Yianzhu Liu, Malgorzata Kloc, Xian C Li
Organ transplants give a second chance of life to patients with end-stage organ failure. However, the immuno-logical barriers prove to be very challenging to overcome and graft rejection remains a major hurdle to long-term transplant survival. For decades, adaptive immunity has been the focus of studies, primarily based on the belief that T cells are necessary and sufficient for rejection. With better-developed immunosuppressive drugs and protocols that effectively control adaptive cells, innate immune cells have emerged as key effector cells in triggering graft injury and have therefore attracted much recent attention...
December 2016: Current Transplantation Reports
https://www.readbyqxmd.com/read/28546851/monoamine-oxidases-oxidative-stress-and-altered-mitochondrial-dynamics-in-cardiac-ageing
#11
REVIEW
Damien Maggiorani, Nicola Manzella, Dale E Edmondson, Andrea Mattevi, Angelo Parini, Claudia Binda, Jeanne Mialet-Perez
The advances in healthcare over the past several decades have resulted in populations now living longer. With this increase in longevity, a wider prevalence of cardiovascular diseases is more common and known to be a major factor in rising healthcare costs. A wealth of scientific evidence has implicated cell senescence as an important component in the etiology of these age-dependent pathologies. A number of studies indicate that an excess of reactive oxygen species (ROS) contributes to trigger and accelerate the cardiac senescence processes, and a new role of monoamine oxidases, MAO-A and MAO-B, is emerging in this context...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28546756/new-developments-in-the-treatment-of-advanced-squamous-cell-lung-cancer-focus-on-afatinib
#12
REVIEW
Vera Hirsh
Until recently, few treatment options existed for the treatment of squamous cell carcinoma (SqCC) of the lung, especially in the second-line setting following platinum-based chemotherapy. Accordingly, outcomes in this subtype of non-small-cell lung cancer (NSCLC) were generally poor. In this context, the recent availability of the checkpoint inhibitors nivolumab and pembrolizumab, the anti-VEGFR2 antibody ramucirumab (combined with docetaxel), and the ErbB-family blocker afatinib for the treatment of relapsed/refractory SqCC of the lung represent major advances...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28546686/infectious-uveitis-an-enigma
#13
Parthopratim Dutta Majumder, Avirupa Ghosh, Jyotirmay Biswas
Infectious uveitis accounts for majority of the cases of uveitis in developing countries. It also encompasses an array of various microorganisms and their clinical presentations. Some of these infectious uveitic entities are familiar, while others are newly emerging in the global ophthalmic world. Many of these entities are also a major cause of morbidity and mortality, and appropriate, timely management is required to save not the eye, but life of the patient. This review highlights the ocular manifestations of various infectious uveitic entities, relevant to the ophthalmologist...
January 2017: Middle East African Journal of Ophthalmology
https://www.readbyqxmd.com/read/28546075/antimicrobial-storage-and-antibiotic-knowledge-in-the-community-a-cross-sectional-pilot-study-in-north-western-angola
#14
Joana Cortez, Edite Rosário, João E Pires, João Taborda Lopes, Moisés Francisco, Erika Vlieghe, Miguel Brito
BACKGROUND: Antimicrobials are drugs that were once lifesavers and mainly curative. Nowadays their value is increasingly under pressure because of the fast and worldwide emergence of antimicrobial resistance, which, in low resources settings, frequently occurs in microorganisms that are likely to be transmitted in the community. METHODS: A cross-sectional pilot study including 102 households within the 10th HDSS round in Dande, Bengo Province, Angola. RESULTS: From the total 102 households piloted, 77...
May 22, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28546042/occluded-superficial-femoral-artery-used-for-emergency-reconstruction-a-consecutive-case-series-about-the-proper-conduit-technique
#15
M S Marsman, A Kh Jahrome, F L Moll, G G Koning
INTRODUCTION: Deep wound infections in the groin region can result in an acute or life threatening condition. Especially when there is no suitable vein available because of many reasons (e.g. previous surgery, small vessel diameter). Synthetic prosthesis sometimes are not 'first-choice-technique' because of contamination or infection. It was ad hoc hypothesized in an acute setting that a segment of an occluded Superficial Femoral Artery (SFA) could be used as a conduit in combination with eversion technique, known from carotid surgery...
May 22, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28545882/emerging-infectious-diseases-and-blood-safety-modeling-the-transfusion-transmission-risk
#16
REVIEW
Philip Kiely, Manoj Gambhir, Allen C Cheng, Zoe K McQuilten, Clive R Seed, Erica M Wood
While the transfusion-transmission (TT) risk associated with the major transfusion-relevant viruses such as HIV is now very low, during the last 20 years there has been a growing awareness of the threat to blood safety from emerging infectious diseases, a number of which are known to be, or are potentially, transfusion transmissible. Two published models for estimating the transfusion-transmission risk from EIDs, referred to as the Biggerstaff-Petersen model and the European Upfront Risk Assessment Tool (EUFRAT), respectively, have been applied to several EIDs in outbreak situations...
May 15, 2017: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/28545799/the-relationship-of-the-perceived-impact-of-the-current-greek-recession-with-increased-suicide-risk-is-moderated-by-mental-illness-in-patients-with-long-term-conditions
#17
Elisavet Ntountoulaki, Vassiliki Paika, Dimitra Papaioannou, Elspeth Guthrie, Konstantinos Kotsis, Konstantinos N Fountoulakis, Andre F Carvalho, Thomas Hyphantis
OBJECTIVE: Adverse life events may contribute to the emergence of suicidality. We aimed to test the relationship between the impact of the Greek recession and suicidal risk in people with long-term conditions (LTCs) and to determine whether this relationship is moderated by the presence of a mental disorder. METHODS: Suicidal risk (RASS) and crisis parameters were assessed in a cross-sectional survey including 376 patients with LTCs (type-II diabetes mellitus, rheumatological disorders and chronic obstructive pulmonary disease) attending the Emergency Department or specialty clinics...
May 2017: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/28545635/outcomes-in-patients-with-chest-pain-discharged-after%C3%A2-evaluation-using-a-high-sensitivity-troponin-t-assay
#18
Atosa Nejatian, Åsa Omstedt, Jonas Höijer, L O Hansson, Therese Djärv, Kai M Eggers, Per Svensson
BACKGROUND: Most patients with chest pain are discharged from the emergency department (ED) with the diagnosis "unspecified chest pain." It is unknown if evaluation with a high-sensitivity troponin T (hsTnT) assay affects prognosis in this large population. OBJECTIVES: The aim was to investigate whether the introduction of an hsTnT assay is associated with reduced incidence of major adverse cardiac events (MACEs) and cardiovascular (CV) risk profile in patients with chest pain discharged from the ED...
May 30, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28545561/sources-of-variability-in-the-measurement-of-ascaris-lumbricoides-infection-intensity-by-kato-katz-and-qpcr
#19
Alice V Easton, Rita G Oliveira, Martin Walker, Elise M O'Connell, Sammy M Njenga, Charles S Mwandawiro, Joanne P Webster, Thomas B Nutman, Roy M Anderson
BACKGROUND: Understanding and quantifying the sources and implications of error in the measurement of helminth egg intensity using Kato-Katz (KK) and the newly emerging "gold standard" quantitative polymerase chain reaction (qPCR) technique is necessary for the appropriate design of epidemiological studies, including impact assessments for deworming programs. METHODS: Repeated measurements of Ascaris lumbricoides infection intensity were made from samples collected in western Kenya using the qPCR and KK techniques...
May 25, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28545432/the-impact-of-migratory-flyways-on-the-spread-of-avian-influenza-virus-in-north-america
#20
Mathieu Fourment, Aaron E Darling, Edward C Holmes
BACKGROUND: Wild birds are the major reservoir hosts for influenza A viruses (AIVs) and have been implicated in the emergence of pandemic events in livestock and human populations. Understanding how AIVs spread within and across continents is therefore critical to the development of successful strategies to manage and reduce the impact of influenza outbreaks. In North America many bird species undergo seasonal migratory movements along a North-South axis, thereby providing opportunities for viruses to spread over long distances...
May 25, 2017: BMC Evolutionary Biology
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