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https://www.readbyqxmd.com/read/28740724/glutamyl-endopeptidases-the-puzzle-of-substrate-specificity
#1
I V Demidyuk, K N Chukhontseva, S V Kostrov
Glutamyl endopeptidases (GEPases) are chymotrypsin-like enzymes that preferentially cleave the peptide bonds of the α-carboxyl groups of glutamic acid. Despite the many years of research, the structural determinants underlying the strong substrate specificity of GEPases still remain unclear. In this review, data concerning the molecular mechanisms that determine the substrate preference of GEPases is generalized. In addition, the biological functions of and modern trends in the research into these enzymes are outlined...
April 2017: Acta Naturae
https://www.readbyqxmd.com/read/28736977/use-of-microbial-indicators-combined-with-environmental-factors-coupled-to-metrology-tools-for-discrimination-and-classification-of-luzhou-flavored-pit-muds
#2
Q Y Zhang, Y J Yuan, Z M Liao, W X Zhang
AIMS: Pit mud is essential for the quality and yield of Chinese Luzhou-flavored liquor. A reliable and fast method based on the use of microbial indicators combined with environmental factors coupled to metrology tools is needed to discriminate and classify different maturity levels of Luzhou-flavored pit muds. METHODS AND RESULTS: Firmicutes, Bacteroidetes, Actinobacteria, Lactobacillus, Bacillus, Methanosarcina, Methanocorpusculum, Methanoculleus and Clostridium kluyveri were microbial indicators in Luzhou-flavored pit muds...
July 23, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28735068/primary-metastatic-breast-cancer-in-the-era-of-targeted-therapy-prognostic-impact-and-the-role-of-breast-tumour-surgery
#3
Jana Barinoff, Marcus Schmidt, Andreas Schneeweiss, Winfried Schoenegg, Marc Thill, Stella Keitel, Claus R Lattrich, Axel Hinke, Andreas Kutscheidt, Christian Jackisch
BACKGROUND: Except for meeting the individual palliative need, the benefit of breast surgery in primary metastatic breast cancer (PMBC), also known as de novo metastatic breast cancer, on long-term outcomes remains controversial. Twenty-four hundred and one patients with metastatic breast cancer, enrolled between 2000 and 2011 in two prospective non-interventional studies on targeted therapy, were screened with respect to this question. METHODS: One study investigated trastuzumab therapy for human epidermal growth factor receptor 2 (HER2)-positive metastatic breast cancer in addition to mainly first-line chemotherapy...
July 20, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28733587/identification-and-analysis-of-mtdna-genomes-attributed-to-finns-reveal-long-stagnant-demographic-trends-obscured-in-the-total-diversity
#4
Sanni Översti, Päivi Onkamo, Monika Stoljarova, Bruce Budowle, Antti Sajantila, Jukka U Palo
In Europe, modern mitochondrial diversity is relatively homogeneous and suggests an ubiquitous rapid population growth since the Neolithic revolution. Similar patterns also have been observed in mitochondrial control region data in Finland, which contrasts with the distinctive autosomal and Y-chromosomal diversity among Finns. A different picture emerges from the 843 whole mitochondrial genomes from modern Finns analyzed here. Up to one third of the subhaplogroups can be considered as Finn-characteristic, i...
July 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724007/-mal-nutrition-and-the-new-epidemiological-trend-in-a-context-of-development-and-inequalities
#5
Nathália Paula de Souza, Pedro Israel Cabral de Lira, Annick Fontbonne, Fernanda Cristina de Lima Pinto, Eduarda Ângela Pessoa Cesse
The current context of intense social, economic and political transformations has contributed to changes in the health profile of the population and generated discussions about the impact of these changes on the reorganization of society. At the present moment, the increase in non-communicable illnesses and diseases raises major concerns about the paradox of malnutrition and obesity. Based on an in-depth reading and interpretation of texts, documents and databases, this article discusses issues related to nutrition, considering the dimensions of shortages and excesses, the evolution of nutrition over time, and the connection with the new epidemiological trend...
July 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/28723519/individual-patient-data-analysis-of-randomized-clinical-trials-impact-of-black-race-on-castration-resistant-prostate-cancer-outcomes
#6
Daniel E Spratt, Yu-Wei Chen, Brandon A Mahal, Joseph R Osborne, Shuang G Zhao, Todd M Morgan, Ganesh Palapattu, Felix Y Feng, Paul L Nguyen
BACKGROUND: Population data suggest that black men have a higher risk of dying from prostate cancer (PCa) than other racial ethnicities. OBJECTIVE: To examine the impact of black race on progression-free survival (PFS) and overall survival (OS) among men with metastatic castration-resistant PCa (mCRPC) enrolled in randomized controlled trials (RCTs). DESIGN, SETTING, AND PARTICIPANTS: A pooled analysis was performed on individual patient data from five modern PCa RCTs available from Project Data Sphere...
December 2016: European Urology Focus
https://www.readbyqxmd.com/read/28720363/burden-of-urolithiasis-trends-in-prevalence-treatments-and-costs
#7
REVIEW
Omer A Raheem, Yash S Khandwala, Roger L Sur, Khurshid R Ghani, John D Denstedt
CONTEXT: The recent evolution of management options for urolithiasis has presented a unique dilemma for the modern urologist. A comprehensive understanding of epidemiological trends along with current provider preferences in treating urinary stones would be beneficial. OBJECTIVE: To review trends in the prevalence, treatments, and costs of urolithiasis worldwide. EVIDENCE ACQUISITION: A literature review was performed using the MEDLINE database, the Cochrane Library Central search facility, Web of Science, and Google Scholar between 1986 and 2016...
February 2017: European Urology Focus
https://www.readbyqxmd.com/read/28720152/using-couples-discordant-reports-to-estimate-female-covert-use-of-modern-contraception-in-sub-saharan-africa
#8
Natalie C Gasca, Stan Becker
Substantial numbers of married women use contraceptives without their partner's knowledge in sub-Saharan Africa, but studies of female covert use across time are rare. This study investigates the levels, trends and correlates of covert use in nine countries and determines which contraceptive methods are more frequently used covertly by women. Data from monogamous couples in Demographic and Health Surveys were used from nine sub-Saharan African countries that had experienced an increase of 10 percentage points in current modern contraceptive use between an earlier (1991-2004) and later (2007-2011) survey...
July 19, 2017: Journal of Biosocial Science
https://www.readbyqxmd.com/read/28717517/knowledge-mapping-visualization-analysis-of-the-military-health-and-medicine-papers-published-in-the-web-of-science-over-the-past-10%C3%A2-years
#9
Xuan-Ming Zhang, Xuan Zhang, Xu Luo, Hai-Tao Guo, Li-Qun Zhang, Ji-Wei Guo
BACKGROUND: Military medicine is a research field that seeks to solve the medical problems that occur in modern war conditions based on public medicine theory. METHODS: We explore the main research topics of military health and medical research in the web of science™ core collection (WoSCC) from 2007 to 2016, and the goal of this work is to serve as a reference for orientation and development in military health and medicine. Based on CiteSpace III, a reference co-citation analysis is performed for 7921 papers published in the WoSCC from 2007 to 2016...
2017: Military Medical Research
https://www.readbyqxmd.com/read/28717432/multiple-sclerosis-a-disease-on-a-dramatically-rising-trend-in-iran-review-of-possible-reasons
#10
REVIEW
Mohammad Ali Sahraian, Mohammad Sahebkar, Rouhullah Dehghani, Milad Derakhshan-Jazari, Vahid Kazami-Moghaddam, Ebrahim Kouchaki
There has been a global rising trend in recent years in the incidence of multiple sclerosis (MS). Despite being an MS low-risk region, this disease has also been recently on the rise in the Middle East. As part of the Middle East, Iran has not been spared either; however, the cause of this dramatic increase remains to be discovered. This study reviews possible reasons for this increase in Iran. Although many factors such as the increased rate of smoking, lifestyle changes, modernization, and contact with toxic solvents can be proposed as reasons for this sudden rise in the prevalence of MS in Iran, these factors cannot be taken as definite causes and further studies are required to prove their impact...
January 5, 2017: Iranian Journal of Neurology
https://www.readbyqxmd.com/read/28715950/efficacy-of-the-novel-medical-adhesive-mar-vivo-107-in-an-acute-porcine-liver-resection-model
#11
Hirokazu Tanaka, Kenji Fukushima, Pramod Kadaba Srinivasan, Kerstin Pawlowsky, Babette Koegel, Koichiro Hata, Yonson Ku, Shinji Uemoto, René H Tolba
BACKGROUND: Despite modern surgical techniques, insufficient hemostasis after liver trauma is still a major cause of morbidity and mortality after injury. Therefore, efficient hemostatic agents are indicated. In this study, we evaluated the hemostatic efficacy of a novel synthetic wound adhesive (MAR-VIVO-107) based on polyurethane/polyurea, compared with a widely used fibrin adhesive (Tisseel). MATERIALS AND METHODS: Twelve German Landrace pigs were randomly assigned to 2 groups...
July 1, 2017: Surgical Innovation
https://www.readbyqxmd.com/read/28711888/-comparative-analysis-of-dynamics-of-health-status-indexes-among-school-age-children-of-ukraine-in-modern-conditions
#12
Оксана Саргош, Оксана Четверикова, Инна Беликова, Александр Катрушов
INTRODUCTION: In the last time, there is a negative dynamics of indicators of the health of the child population in Ukraine in connection with socio-economic problems. AIM: The analysis of the data of the incidence and the prevalence of diseases among the children of the Poltava region in comparison with those of Ukraine for the period 2011-2015. MATERIALS AND METHODS: In our work are used data of State statistics of incidence and prevalence of diseases among the child population of Ukraine...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28711077/acute-kidney-injury-in-pregnancy
#13
Belinda Jim, Vesna D Garovic
Pregnancy-related acute kidney injury (AKI) has declined in incidence in the last three decades, although it remains an important cause of maternal and fetal morbidity and mortality. Pregnancy-related causes of AKI such as preeclampsia, acute fatty liver of pregnancy, HELLP (Hemolysis, Elevated Liver function tests, Low Platelets) syndrome, and the thrombotic microangiopathies (thrombotic thrombocytopenic purpura, atypical hemolytic-uremic syndrome [HUS]) exhibit overlapping features and often present as diagnostic dilemmas...
July 2017: Seminars in Nephrology
https://www.readbyqxmd.com/read/28708410/ab-initio-ligand-field-theory-analysis-and-covalency-trends-in-actinide-and-lanthanide-free-ions-and-octahedral-complexes
#14
Julie Jung, Mihail Atanasov, Frank Neese
Actinide chemistry is gaining increased focus in modern research, particularly in the fields of energy research and molecular magnetism. However, the structure-function and structure-property relationships of actinides have still not been studied as intensely as those for transition metals. In this work, we report a detailed ab initio study of the spectroscopic, magnetic, and bonding properties of the trivalent actinide free ions and their associated hexachloride complexes in octahedral symmetry. The electronic structures of these systems are examined using complete active-space self-consistent-field calculations followed by second-order N-electron valence perturbation theory, including both scalar relativistic and spin-orbit-coupling effects...
July 14, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28707287/are-the-origins-of-precision-medicine-found-in-the-corpus-hippocraticum
#15
Meropi K Konstantinidou, Makrina Karaglani, Maria Panagopoulou, Aliki Fiska, Ekaterini Chatzaki
Precision medicine (PM) is currently placed at the center of global attention following decades of research towards the improvement of medical practice. The subject of this study was to examine whether this trend had emerged earlier, in fact if the fundamentals of PM can be traced back to the ancient Greek era. For this reason, we studied the collection of all the Hippocratic texts, called the Corpus Hippocraticum, using original translations, and attempted an interpretation of the ancient authors in the context of the modern concept of PM...
July 13, 2017: Molecular Diagnosis & Therapy
https://www.readbyqxmd.com/read/28698251/trpa1-mechanoreceptors-mediate-the-il-6-response-to-a-single-pd-dwell-in-the-rat
#16
Daniel Nilsson, Eva Jennische, Nicola Cavallini, Magnus Braide
BACKGROUND: The development of modern, biocompatible peritoneal dialysis (PD) fluids has not entirely eliminated the local pro-inflammatory effects of PD fluid administration. The present study was performed in order to establish the importance of known signaling pathways connected to mechano-, osmo- and chemo-sensors of the transient receptor potential (TRP) family for the acute inflammatory response to PD. METHODS: Rats were exposed to a single 4-hour dwell of lactate-buffered, 2...
July 11, 2017: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/28692758/shape-shifting-azo-dye-polymers-towards-sunlight-driven-molecular-devices
#17
REVIEW
Oleksandr S Bushuyev, Miho Aizawa, Atsushi Shishido, Christopher J Barrett
The development of stimuli-responsive polymers is among the key goals of modern materials science. The structure and properties of such switchable materials can be designed to be controlled via various stimuli, among which light is frequently the most powerful trigger. Light is a gentle energy source that can target materials remotely, and with extremely high spatial and temporal resolution easily and cheaply. Reversible light-control over molecular mechanical properties in particular has in recent years attracted great interest due to potential applications as optical-to-mechanical conversion actuators and 'devices', enabling 'molecular robotic machines'...
July 10, 2017: Macromolecular Rapid Communications
https://www.readbyqxmd.com/read/28688919/haploidentical-hematopoietic-cell-transplant-with-post-transplant-cyclophosphamide-and-peripheral-blood-stem-cell-grafts-in-older-adults-with-aml-or-mds
#18
Michael Slade, John F DiPersio, Peter Westervelt, Ravi Vij, Mark A Schroeder, Rizwan Romee
Many hematologic malignancies are diseases of aging and the use of hematopoietic cell transplant (HCT) is growing rapidly among older adults. Modern post-transplant cyclophosphamide (PTCy) protocols with haploidentical (haplo) donors have dramatically expanded the donor pool for patients requiring HCT. Initial studies were performed with bone marrow grafts, which require the donor to undergo anesthesia during harvest. However, the use of mobilized peripheral blood stem cells (PBSC) may be desirable, especially with older donors...
July 5, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28682308/survival-trends-from-the-prader-willi-syndrome-association-usa-40-year-mortality-survey
#19
Ann M Manzardo, James Loker, Janalee Heinemann, Carolyn Loker, Merlin G Butler
PurposePrader-Willi syndrome (PWS) is a complex genetic disorder characterized by hyperphagia and morbid obesity with increased cardiopulmonary and hyperphagia-related mortality. Survival trends in PWS were evaluated to assess the impact of modern interventions on mortality risk.MethodsThe Prader-Willi Syndrome Association (USA) 40-year mortality syndrome-specific database of 486 death reports was utilized to examine survival trends in PWS and cohort effects for recent deaths (years 2000-2015, N=331) relative to deaths prior to 2000 (N=94)...
July 6, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28674345/trend-of-malpractice-litigation-against-neurosurgeons-in-japan-an-analysis-of-disclosed-database-by-courts-in-japan-from-2001-through-2015
#20
Hisashi Nagashima, Yoshitaka Wada, Kazuhiro Hongo
Following the modern raising of public awareness, the numbers of malpractice litigation are increasing in the health care delivery system in Japan despite the extensive efforts of physicians. Authors reviewed the issues of litigation and the reasons for court decision from the healthcare-related negligence lawsuits in the past 15 years in Japan and investigated the cautionary points for reducing potential litigation. Healthcare-related negligence lawsuits between January 2001 and December 2015 were retrieved and sorted in each clinical field from the database in Courts in Japan and investigated on the proportional factors of the claims and court decisions in the neurosurgical field...
June 30, 2017: Neurologia Medico-chirurgica
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