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https://www.readbyqxmd.com/read/28817590/reconstructing-asian-faunal-introductions-to-eastern-africa-from-multi-proxy-biomolecular-and-archaeological-datasets
#1
Mary E Prendergast, Michael Buckley, Alison Crowther, Laurent Frantz, Heidi Eager, Ophélie Lebrasseur, Rainer Hutterer, Ardern Hulme-Beaman, Wim Van Neer, Katerina Douka, Margaret-Ashley Veall, Eriéndira M Quintana Morales, Verena J Schuenemann, Ella Reiter, Richard Allen, Evangelos A Dimopoulos, Richard M Helm, Ceri Shipton, Ogeto Mwebi, Christiane Denys, Mark Horton, Stephanie Wynne-Jones, Jeffrey Fleisher, Chantal Radimilahy, Henry Wright, Jeremy B Searle, Johannes Krause, Greger Larson, Nicole L Boivin
Human-mediated biological exchange has had global social and ecological impacts. In sub-Saharan Africa, several domestic and commensal animals were introduced from Asia in the pre-modern period; however, the timing and nature of these introductions remain contentious. One model supports introduction to the eastern African coast after the mid-first millennium CE, while another posits introduction dating back to 3000 BCE. These distinct scenarios have implications for understanding the emergence of long-distance maritime connectivity, and the ecological and economic impacts of introduced species...
2017: PloS One
https://www.readbyqxmd.com/read/28812996/reliable-detection-of-herpes-simplex-virus-sequence-variation-by-high-throughput-resequencing
#2
Alison M Morse, Kaitlyn R Calabro, Justin M Fear, David C Bloom, Lauren M McIntyre
High-throughput sequencing (HTS) has resulted in data for a number of herpes simplex virus (HSV) laboratory strains and clinical isolates. The knowledge of these sequences has been critical for investigating viral pathogenicity. However, the assembly of complete herpesviral genomes, including HSV, is complicated due to the existence of large repeat regions and arrays of smaller reiterated sequences that are commonly found in these genomes. In addition, the inherent genetic variation in populations of isolates for viruses and other microorganisms presents an additional challenge to many existing HTS sequence assembly pipelines...
August 16, 2017: Viruses
https://www.readbyqxmd.com/read/28806784/structural-analysis-of-p-falciparum-kahrp-and-pfemp1-complexes-with-host-erythrocyte-spectrin-suggests-a-model-for-cytoadherent-knob-protrusions
#3
Erin E Cutts, Niklas Laasch, Dirk M Reiter, Raphael Trenker, Leanne M Slater, Phillip J Stansfeld, Ioannis Vakonakis
Plasmodium falciparum Erythrocyte Membrane Protein 1 (PfEMP1) and Knob-associated Histidine-rich Protein (KAHRP) are directly linked to malaria pathology. PfEMP1 and KAHRP cluster on protrusions (knobs) on the P. falciparum-infected erythrocyte surface and enable pathogenic cytoadherence of infected erythrocytes to the host microvasculature, leading to restricted blood flow, oxygen deprivation and damage of tissues. Here we characterize the interactions of PfEMP1 and KAHRP with host erythrocyte spectrin using biophysical, structural and computational approaches...
August 14, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28806633/provision-of-sudden-unexpected-death-in-epilepsy-sudep-information-among-malaysian-parents-of-children-with-epilepsy
#4
Choong Yi Fong, Wei Kang Lim, Ann Nie Kong, Pei Lin Lua, Lai Choo Ong
Sudden unexpected death in epilepsy (SUDEP) is an important cause of mortality in epilepsy. To date, there is only one published UK study evaluating information provision of SUDEP among parents of children with epilepsy (CWE), and there are no studies published from Asia. Although SUDEP information provision is recommended among parents of CWE, it is uncertain if these recommendations are applicable to Asian countries due to the different cultural attitude towards epilepsy. Our prospective cohort study consisted of multiethnic parents of children with epilepsy (CWE) seen in a tertiary hospital in Malaysia...
August 11, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28805475/menopausal-hormone-therapy-for-primary-prevention-why-the-uspstf-is-wrong
#5
R D Langer, J A Simon, A Pines, R A Lobo, H N Hodis, J H Pickar, D F Archer, P M Sarrel, W H Utian
The US Preventive Services Task Force (USPSTF) Draft Recommendation statement on Menopausal Hormone Therapy: Primary Prevention for Chronic Diseases, released in May 2017, perpetuates a major disconnect between the primary population affected, women within roughly 10 years of menopause, and the data cited. Furthermore, major elements of the evidence relied upon have been misinterpreted or misstated, particularly in regard to coronary heart disease and breast cancer, for which there is no statistically significant evidence of harm...
August 14, 2017: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/28802929/caregiver-burden-and-the-nonmotor-symptoms-of-parkinson-s-disease
#6
Jon P Hiseman, Robin Fackrell
Parkinson's disease has traditionally been considered as primarily a motor disorder (Chaudhuri & Schapira, 2009). It is clear however that it is the burden of the nonmotor symptomatology which impacts significantly more highly on caregiver burden and quality of life (Benavides, Alberquerque, & Chana-Cuevas, 2013; Martinez-Martin, 2011). As Parkinson's disease advances there is an almost inevitable accrual of nonmotor symptoms alongside the motor aspects of the disease. Patients as their disease progresses require increasing support and this is not infrequently provided by an informal caregiver, most typically a spouse or family member (Martinez-Martin, Forjaz, Frades-Payo, et al...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28802623/an-analytical-model-which-determines-the-apparent-t1-for-modified-look-locker-inversion-recovery-analysis-of-the-longitudinal-relaxation-under-the-influence-of-discontinuous-balanced-classical-molli-and-spoiled-gradient-echo-readouts
#7
Thomas Kampf, Theresa Reiter, Wolfgang Rudolf Bauer
Quantitative nuclear magnetic resonance imaging (MRI) shifts more and more into the focus of clinical research. Especially determination of relaxation times without/and with contrast agents becomes the foundation of tissue characterization, e.g. in cardiac MRI for myocardial fibrosis. Techniques which assess longitudinal relaxation times rely on repetitive application of readout modules, which are interrupted by free relaxation periods, e.g. the Modified Look-Locker Inversion Recovery = MOLLI sequence. These discontinuous sequences reveal an apparent relaxation time, and, by techniques extrapolated from continuous readout sequences, a putative real T1 is determined...
August 9, 2017: Zeitschrift Für Medizinische Physik
https://www.readbyqxmd.com/read/28801204/improved-post-processing-strategy-for-molli-based-tissue-characterization-allows-application-in-patients-with-dyspnoe-and-impaired-left-ventricular-function
#8
Thomas Kampf, Wolfgang Rudolf Bauer, Theresa Reiter
Contrast and non-contrast MRI based characterization of myocardium by T1-mapping will be of paramount importance to obtain biomarkers, e.g. fibrosis, which determines the risk of heart failure patients. T1-mapping by the standard post-processing of the modified look-locker inversion recovery (MOLLI) lacks of accuracy when trying to reduce its duration, which on the other hand, is highly desirable in patients with heart failure. The recently suggested inversion group fitting (IGF) technique, which considers more parameters for fitting, has a superior accuracy for long T1 times despite a shorter duration...
August 8, 2017: Zeitschrift Für Medizinische Physik
https://www.readbyqxmd.com/read/28800776/revisiting-clinico-epidemiological-pattern-of-human-rickettsial-infections-in-the-central-region-of-sri-lanka-a-hospital-based-descriptive-study
#9
Kosala Gayan Weerakoon, Senanayake A M Kularatne, Jayanthe Rajapakse, Sanjaya Adikari, Kanchana Udayawarna
BACKGROUND: This study revisits the clinico-epidemiology and serological patterns of rickettsioses in the central region of Sri Lanka and highlights the need of advanced diagnostics for precise identification of species responsible for rickettsioses. METHODS: The patients treated for rickettsioses between November 2009 and October 2011 were recruited for the study from Teaching Hospital, Peradeniya. Clinical characteristics and serology results were used for diagnosis...
August 11, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28799324/reviewing-independent-access-to-hiv-testing-counselling-and-treatment-for-adolescents-in-hiv-specific-laws-in-sub-saharan-africa-implications-for-the-hiv-response
#10
Patrick M Eba, HyeYoung Lim
INTRODUCTION: AIDS is a leading cause of death among adolescents in sub-Saharan Africa. Yet, legal, policy and social barriers continue to restrict their access to HIV services. In recent years, access to independent HIV testing and treatment for adolescents has gained increased attention. The 2013 WHO Guidance on HIV testing and counselling and care for adolescents living with HIV (WHO Guidance) calls for reviewing legal and regulatory frameworks to facilitate adolescents' access to comprehensive HIV services...
August 11, 2017: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/28796402/protection-of-melatonin-in-experimental-models-of-newborn-hypoxic-ischemic-brain-injury-through-mt1-receptor
#11
Bharati Sinha, Qiaofeng Wu, Wei Li, Yanyang Tu, Ana C Sirianni, Yanchun Chen, Jiying Jiang, Xinmu Zhang, Shuanhu Zhou, Wu Chen, Russel J Reiter, Simon Manning, Nirav J Patel, Ali M Aziz-Sultan, Terri E Inder, Robert M Friedlander, Jianfang Fu, Xin Wang
The function of melatonin as a protective agent against newborn hypoxic-ischemic (H-I) brain injury is not yet well studied, and the mechanisms by which melatonin causes neuroprotection in neurological diseases is still evolving. The present study was designed to investigate whether expression of MT1 receptors is reduced in newborn H-I brain injury and whether the protective action of melatonin is by alterations of the MT1 receptors. We demonstrated that there was significant reduction in MT1 receptors in ischemic brain of mouse pups in vivo following H-I brain injury and that melatonin offers neuroprotection through upregulation of MT1 receptors...
August 10, 2017: Journal of Pineal Research
https://www.readbyqxmd.com/read/28795551/-gabab-paraneoplastic-encephalitis-about-a-clinical-case
#12
V Reiters, N Garzaniti, K Windhausen
The paraneoplastic limbic encephalitis is a rare disease. It is caused by the presence of autoantibodies creating an inflammatory reaction of the predominant brain parenchyma in the meso-temporal lobe and in other parts of the limbic system. Its presence requires looking for an underlying tumour. The management of this paraneoplastic syndrome includes an immunosuppressive therapy in addition to the treatment of the underlying tumour. However, the management of this disease is not yet standardized.
July 2017: Revue Médicale de Liège
https://www.readbyqxmd.com/read/28795196/melatonin-and-mitochondrial-function-during-ischemia-reperfusion-injury
#13
REVIEW
Zhiqiang Ma, Zhenlong Xin, Wencheng Di, Xiaolong Yan, Xiaofei Li, Russel J Reiter, Yang Yang
Ischemia/reperfusion (IR) injury occurs in many organs and tissues, and contributes to morbidity and mortality worldwide. Melatonin, an endogenously produced indolamine, provides a strong defense against IR injury. Mitochondrion, an organelle for ATP production and a decider for cell fate, has been validated to be a crucial target for melatonin to exert its protection against IR injury. In this review, we first clarify the mechanisms underlying mitochondrial dysfunction during IR and melatonin's protection of mitochondria under this condition...
August 9, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28782080/awareness-of-stomach-and-colorectal-cancer-risk-factors-symptoms-and-time-taken-to-seek-medical-help-among-public-attending-primary-care-setting-in-muscat-governorate-oman
#14
Mohammed Al-Azri, Jamila Al-Kindi, Thuraiya Al-Harthi, Manal Al-Dahri, Sathiya Murthi Panchatcharam, Abdullah Al-Maniri
Colorectal and stomach cancers are the top ranking cancers in Oman. Most of the patients are diagnosed at advanced disease stages. The aim of this study is to explore the knowledge of risk factors, symptoms and the time needed to seek medical care for stomach cancer and colorectal cancer (CRC) among Omani participants attending 28 local health centres (LHCs) in the governorate of Muscat, the capital city of Oman. The Bowel Cancer/CRC Awareness Measure (CAM) questionnaire (translated into Arabic) was used to collect data from Omani adult participants (aged 18 years and above) who attended the LHCs during the study period...
August 7, 2017: Journal of Cancer Education: the Official Journal of the American Association for Cancer Education
https://www.readbyqxmd.com/read/28771169/effects-of-metal-micro-and-nano-particles-on-hascs-an-in-vitro-model
#15
Silvia Palombella, Cristina Pirrone, Federica Rossi, Ilaria Armenia, Mario Cherubino, Luigi Valdatta, Mario Raspanti, Giovanni Bernardini, Rosalba Gornati
As the knowledge about the interferences of nanomaterials on human staminal cells are scarce and contradictory, we undertook a comparative multidisciplinary study based on the size effect of zero-valent iron, cobalt, and nickel microparticles (MPs) and nanoparticles (NPs) using human adipose stem cells (hASCs) as a model, and evaluating cytotoxicity, morphology, cellular uptake, and gene expression. Our results suggested that the medium did not influence the cell sensitivity but, surprisingly, the iron microparticles (FeMPs) resulted in being toxic...
August 3, 2017: Nanomaterials
https://www.readbyqxmd.com/read/28759346/antiemetics-american-society-of-clinical-oncology-clinical-practice-guideline-update
#16
Paul J Hesketh, Mark G Kris, Ethan Basch, Kari Bohlke, Sally Y Barbour, Rebecca Anne Clark-Snow, Michael A Danso, Kristopher Dennis, L Lee Dupuis, Stacie B Dusetzina, Cathy Eng, Petra C Feyer, Karin Jordan, Kimberly Noonan, Dee Sparacio, Mark R Somerfield, Gary H Lyman
Purpose To update the ASCO guideline for antiemetics in oncology. Methods ASCO convened an Expert Panel and conducted a systematic review of the medical literature for the period of November 2009 to June 2016. Results Forty-one publications were included in this systematic review. A phase III randomized controlled trial demonstrated that adding olanzapine to antiemetic prophylaxis reduces the likelihood of nausea among adult patients who are treated with high emetic risk antineoplastic agents. Randomized controlled trials also support an expanded role for neurokinin 1 receptor antagonists in patients who are treated with chemotherapy...
July 31, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28758670/stepwise-construction-of-discrete-parallelogram-and-prism-shaped-organometallic-architectures-based-on-half-sandwich-rhodium-fragments
#17
Wen-Xi Gao, Yue-Jian Lin, Guo-Xin Jin
Herein we describe how to take advantage of a multifunctional ligand to conveniently control the shapes and sizes of different types of discrete organometallic assemblies. Using a versatile ligand 2-(pyridin-2-yl)-1H-imidazole-4,5-dicarboxylate (HL(2-)), which features three kinds of chelating sites, together with half-sandwich rhodium fragments, a series of discrete organometallic complexes with tetranuclear parallelogram and hexanuclear trigonal prism shapes were achieved. The isomerization of the hexanuclear assemblies was confirmed by single-crystal X-ray diffraction analysis...
July 31, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28758646/reply-to-the-comment-on-proton-transport-in-barium-stannate-classical-semi-classical-and-quantum-regime
#18
Grégory Geneste, Jessica Hermet, Guilhem Dezanneau
We respond to the erroneous criticisms about our modeling of proton transport in barium stannate [G. Geneste et al., Phys. Chem. Chem. Phys., 2015, 17, 19104]. In this previous work, we described, on the basis of density-functional calculations, proton transport in the classical and semi-classical regimes, and provided arguments in favor of an adiabatic picture for proton transfer at low temperature. We re-explain here our article (with more detail and precision), the content of which has been distorted in the Comment, and reiterate our arguments in this reply...
August 9, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28756270/neuronal-territory-formation-by-the-atypical-cadherins-and-clustered-protocadherins
#19
REVIEW
Julie L Lefebvre
Spatial patterns of neuronal connectivity are critical for neural circuit function and information processing. For many neuron types, the development of stereotyped dendritic and axonal territories involves reiterative contacts between neurites and successive re-calibration of branch outgrowth and directionality. Here I review emerging roles for members of the atypical cadherins (Fmi/Celsrs) and the clustered Protocadherins (Pcdhs) in neurite patterning. These cell-surface molecules have shared functions: they engage in homophilic recognition and mediate dynamic and contact-dependent interactions to establish reproducible and space-filling arborization patterns...
July 26, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28755829/-care-and-optimal-management-of-the-face-and-neck-lift-patients
#20
E Delay
Surgical and case management for patients demanding a face- and neck-lift are very important. The purpose of this paper is to help the plastic surgeons with information and recommendations useful for the best medical care of patients requiring a face- and neck-lift. The first consultation is the most important contact with the patient. The preoperative discussion helps to define patient demands and to evaluate eventual contraindications for surgery. The clinical exam and patient requirements are useful in the construction of the therapeutic proposition...
July 26, 2017: Annales de Chirurgie Plastique et Esthétique
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