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https://www.readbyqxmd.com/read/28342395/longitudinal-progression-of-fetal-short-term-variation-and-average-acceleration-and-deceleration-capacity-after-antenatal-maternal-betamethasone-application
#1
Joy Weyrich, Anna Setter, Alexander Müller, Georg Schmidt, Christine E Brambs, Javier U Ortiz, Silvia M Lobmaier
OBJECTIVE: To analyze the effect of maternal betamethasone given for fetal lung maturation on fetal short-term variation (STV) and average acceleration and deceleration capacity (AAC/ADC). Both of these factors are calculated by phase-rectified signal averaging (PRSA) and represent new parameters to assess the fetal autonomic nervous system. STUDY DESIGN: A longitudinal prospective study including 26 pregnant women at risk for preterm delivery was performed. Two injections of 12mg betamethasone were administered intramuscularly at a 24h interval for lung maturation...
March 18, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28339104/transferable-antibiotic-resistances-in-marketed-edible-grasshoppers-locusta-migratoria-migratorioides
#2
Andrea Osimani, Cristiana Garofalo, Lucia Aquilanti, Vesna Milanović, Federica Cardinali, Manuela Taccari, Marina Pasquini, Stefano Tavoletti, Francesca Clementi
Grasshoppers are the most commonly eaten insects by humans worldwide, as they are rich in proteins and micronutrients. This study aimed to assess the occurrence of transferable antibiotic resistance genes in commercialized edible grasshoppers. To this end, the prevalence of 12 selected genes [aac(6')-Ie aph(2″)-Ia, blaZ, erm(A), erm(B), erm(C), mecA, tet(M), tet(O), tet(S), tet(K), vanA, vanB] coding for resistance to antibiotics conventionally used in clinical practice was determined. The majority of samples were positive for tet(M) (70...
March 24, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28338012/prevalence-of-st1193-clone-and-inci1-st16-plasmid-in-e-coli-isolates-carrying-blactx-m-55-gene-from-urinary-tract-infections-patients-in-china
#3
Liang Xia, Yang Liu, Shu Xia, Timothy Kudinha, Shu-Nian Xiao, Nan-Shan Zhong, Guo-Sheng Ren, Chao Zhuo
To study molecular epidemiology of CTX-M-55-carrying Escherichia coli isolates from urinary tract infections (UTIs) in China. 111 blaCTX-M-55-positive E.coli isolates from UTIs patients in China were studied. Pulsed-field gel electrophoresis (PFGE) and multilocus sequence typing (MLST) were used to analyze the homologies among the strains. Conjugation experiments, S1nuclease PFGE and PCR analysis were performed to characterize plasmids harboring blaCTX-M-55 and their genetic environment. 111 isolates were clustered into 86 individual pulsotypes and three clusters by PFGE...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28336776/apoptosis-inhibitor-5-is-an-endogenous-inhibitor-of-caspase-2
#4
Gergely Imre, Jean Berthelet, Jan Heering, Sebastian Kehrloesser, Inga Maria Melzer, Byung Il Lee, Bernd Thiede, Volker Dötsch, Krishnaraj Rajalingam
Caspases are key enzymes responsible for mediating apoptotic cell death. Across species, caspase-2 is the most conserved caspase and stands out due to unique features. Apart from cell death, caspase-2 also regulates autophagy, genomic stability and ageing. Caspase-2 requires dimerization for its activation which is primarily accomplished by recruitment to high molecular weight protein complexes in cells. Here, we demonstrate that apoptosis inhibitor 5 (API5/AAC11) is an endogenous and direct inhibitor of caspase-2...
March 23, 2017: EMBO Reports
https://www.readbyqxmd.com/read/28334688/preparation-of-poly-n-isopropylacrylamide-block-acrylic-acid-encapsulated-proteinaceous-microbubbles-for-delivery-of-doxorubicin
#5
Xiaochen Ma, Qingxia Liu
Inspired by theranostic technologies, we electrostatically loaded proteinaceous microbubbles (MBs) with a model drug, doxorubicin (Dox) to couple their utilizations in diagnostic imaging with drug loading. A temperature-sensitive polymer, poly(N-isopropylacrylamide-block-acrylic acid) (poly(NIPAM-b-AAc)) was used to encapsulate the Dox-loaded MBs to prevent premature release and to control the Dox release thermally. An LCST of 39°C, slightly higher than normal body temperatures, enables the release of Dox through a conformational change of the polymer shell upon moderate heating...
March 12, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28332883/precision-medicine-an-update-on-genotype-biochemical-phenotype-relationships-in-pheochromocytoma-paraganglioma-patients
#6
Garima Gupta, Karel Pacak
Pheochromocytomas and paragangliomas are rare neuroendocrine tumors known to produce and secrete high levels of circulating catecholamines and their metabolites. The biochemical characteristics of these tumors can be used to divide them into three major phenotypes. The adrenergic phenotype comprises of tumors with predominant elevations in epinephrine and metanephrine levels whereas the noradrenergic phenotype is composed of tumors with predominant elevations in norepinephrine and normetanephrine levels. The dopaminergic phenotype is a third rare group composed of tumors mainly secreting dopamine and 3-methoxytyramine...
March 23, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28332881/an-individualized-approach-to-the-evaluation-and-management-of-primary-aldosteronism
#7
Anand Vaidya, Carl D Malchoff, Richard J Auchus
OBJECTIVE: With the increased emphasis on personalized and individualized medicine, the American Association of Clinical Endocrinologists Adrenal Scientific Committee has developed a series of articles to update members on personalized medicine as it applies to adrenal diseases. METHODS: Synthesis of literature review, guidelines from professional societies, and personal experience. RESULTS: Since Conn described primary aldosteronism (PA) over 60 years ago, debate has raged about the prevalence of PA in the hypertensive population, the wisdom of broadly screening for PA, and prudent approach to the evaluation and management of these patients...
March 23, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28332880/precision-medicine-in-adrenal-disorders-the-next-generation
#8
Hans K Ghayee, Aaron I Vinik, Karel Pacak
Exciting new research in the area of adrenal disorders has emerged in the last few years. Advances in genetics, biochemical diagnosis, and imaging modalities have set new standards for diagnosis and treatment. In this brief review, we highlight new developments in adrenal diseases to give clinicians a fresh perspective of this evolving field. We believe that the tremendous knowledge gained thus far sets the stage for not only new precision treatment modalities for individualized care, but also for prevention...
March 23, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28332876/evaluation-and-management-of-adrenal-insufficiency-in-critically-ill-patientsdisease-state-review
#9
Amir H Hamrahian, Maria Fleseriu
Definition of normal adrenal function in critically ill patients remains controversial, despite a large body of literature. Furthermore, evaluation of adrenal function in these patients is complex. A decrease in cortisol breakdown rather than an increase in cortisol production has been suggested as the main contributor to elevated cortisol levels in critically ill patients. The concept of relative adrenal insufficiency has multiple pathophysiological flaws and is not supported by current evidence. Patients with septic shock who are pressor-dependent or refractory to fluid resuscitation should receive a short course of hydrocortisone regardless of their serum cortisol levels or their response to a Cosyntropin stimulation test (CST)...
March 23, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28328967/phenotypic-and-molecular-characterization-of-antimicrobial-resistance-in-enterobacter-spp-isolates-from-companion-animals-in-japan
#10
Kazuki Harada, Takae Shimizu, Yujiro Mukai, Ken Kuwajima, Tomomi Sato, Akari Kajino, Masaru Usui, Yutaka Tamura, Yui Kimura, Tadashi Miyamoto, Yuzo Tsuyuki, Asami Ohki, Yasushi Kataoka
The emergence of antimicrobial resistance among Enterobacter spp., including resistance to extended-spectrum cephalosporins (ESC), is of great concern in both human and veterinary medicine. In this study, we investigated the prevalence of antimicrobial resistance among 60 isolates of Enterobacter spp., including E. cloacae (n = 44), E. aerogenes (n = 10), and E. asburiae (n = 6), from clinical specimens of dogs and cats from 15 prefectures in Japan. Furthermore, we characterized the resistance mechanisms harbored by these isolates, including extended-spectrum β-lactamases (ESBLs) and plasmid-mediated quinolone resistance (PMQR); and assessed the genetic relatedness of ESC-resistant Enterobacter spp...
2017: PloS One
https://www.readbyqxmd.com/read/28328015/pcsk9-inhibitor-access-barriers-issues-and-recommendations-improving-the-access-process-for-patients-clinicians-and-payers
#11
REVIEW
Seth J Baum, Peter P Toth, James A Underberg, Paul Jellinger, Joyce Ross, Katherine Wilemon
The proprotein convertase subtilisin/kexin type 9 inhibitors or monoclonal antibodies likely represent the greatest advance in lipid management in 30 years. In 2015 the US Food and Drug Administration approved both alirocumab and evolocumab for high-risk patients with familial hypercholesterolemia (FH) and clinical atherosclerotic cardiovascular disease requiring additional lowering of low-density lipoprotein cholesterol. Though many lipid specialists, cardiovascular disease prevention experts, endocrinologists, and others prescribed the drugs on label, they found their directives denied 80% to 90% of the time...
March 22, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28325852/extended-multiplexing-of-tmt-labeling-reveals-age-and-high-fat-diet-specific-proteome-changes-in-mouse-epididymal-adipose-tissue
#12
Deanna L Plubell, Phillip A Wilmarth, Yuqi Zhao, Alexandra M Fenton, Jessica Minnier, Ashok P Reddy, John Klimek, Xia Yang, Larry L David, Nathalie Pamir
The lack of high-throughput methods to analyze the adipose tissue protein composition limits our understanding of the protein networks responsible for age and diet related metabolic response. We have developed an approach using multiple-dimension liquid chromatography tandem mass spectrometry and extended multiplexing (24 biological samples) with TMT labeling to analyze proteomes of epididymal adipose tissues isolated from mice fed either low or high fat diet for a short or a long-term, and from mice that aged on low vs...
March 21, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28325063/beliefs-and-habits-staff-experiences-with-key-word-signing-in-special-schools-and-group-residential-homes
#13
Ellen Rombouts, Bea Maes, Inge Zink
Even though use of aided augmentative and alternative communication (AAC) by staff has been extensively researched, few studies relate to unaided AAC strategies such as key word signing (KWS). We explored the KWS views of two groups: direct support staff in group residential homes and teachers from special education secondary schools. We examined transcripts from individual semi-structured interviews with five direct support staff and five teachers using thematic analysis. Participants discussed consistency of KWS use and reasons for implementing KWS...
March 21, 2017: Augmentative and Alternative Communication: AAC
https://www.readbyqxmd.com/read/28322120/capture-and-release-of-cells-using-a-temperature-responsive-surface-that-immobilizes-an-antibody-through-dna-duplex-formation
#14
Tsuyoshi Kimura, Naoko Nakamura, Kanji Umeda, Yoshihide Hashimoto, Akio Kishida
We synthesized a temperature-responsive surface that immobilized an antibody via DNA duplex formation for selective capture and release of target cells. Polyethylene films were modified by grafting poly(N-isopropylacrylamide-co-acrylic acid) (P(NIPAAm-co-AAc)), which were prepared at various ratios of NIPAAM/AAc. The increased hydrophilicity of P(NIPAAm-co-PAA) film with decreased temperature was confirmed by water contact angle measurement. Single strand DNA (20mer) was chemically immobilized on the surface and then antibody (anti-mouse CD45, mCD45) modified with the complementary single strand DNA was immobilized on the surface through DNA duplex formation...
March 21, 2017: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/28316100/thermodynamics-of-an-aminoglycoside-modifying-enzyme-with-low-substrate-promiscuity-the-aminoglycoside-n3-acetyltransferase-via
#15
Prashasti Kumar, Engin H Serpersu
Kinetic, thermodynamic and structural properties of the aminoglycoside N3-acetyltransferase-VIa (AAC-VIa) are determined. Among the aminoglycoside N3-acetyltransferases, AAC-VIa has one of the most limited substrate profiles. Kinetic studies showed that only 5 aminoglycosides are substrates for this enzyme with a range of 4-fold difference in kcat values. Larger differences in KM (∼40 fold) resulted in ∼30-fold variation in kcat /KM . Binding of aminoglycosides to AAC-VIa was enthalpically favored and entropically disfavored with a net result of favorable Gibbs energy (ΔG<0)...
March 17, 2017: Proteins
https://www.readbyqxmd.com/read/28314077/comparative-subproteomic-analysis-of-clinically-acquired-fluoroquinolone-resistance-and-ciprofloxacin-stress-in-salmonella-typhimurium-dt104b
#16
Susana Correia, Michel Hébraud, Ingrid Chafsey, Christophe Chambon, Didier Viala, Yolanda Sáenz, José Luis Capelo, Patrícia Poeta, Gilberto Igrejas
PURPOSE: Antimicrobial resistance is a worldwide public health threat and Salmonella enterica subsp. enterica serotype Typhimurium phage type DT104B multiresistant strains with additional quinolone resistance have been responsible for global outbreaks and high mortality. Quinolone resistance is known to be multifactorial but is still far from a complete understanding. To give new insights about the resistance mechanisms involved, this work aimed to evaluate subproteome changes between a S...
March 17, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28302634/residential-proximity-to-major-roads-exposure-to-fine-particulate-matter-and-aortic-calcium-the-framingham-heart-study-a-cohort-study
#17
Kirsten S Dorans, Elissa H Wilker, Wenyuan Li, Mary B Rice, Petter L Ljungman, Joel Schwartz, Brent A Coull, Itai Kloog, Petros Koutrakis, Ralph B D'Agostino, Joseph M Massaro, Udo Hoffmann, Christopher J O'Donnell, Murray A Mittleman
OBJECTIVES: Traffic and ambient air pollution exposure are positively associated with cardiovascular disease, potentially through atherosclerosis promotion. Few studies have assessed associations of these exposures with thoracic aortic calcium Agatston score (TAC) or abdominal aortic calcium Agatston score (AAC), systemic atherosclerosis correlates. We assessed whether living close to a major road and residential fine particulate matter (PM2.5) exposure were associated with TAC and AAC in a Northeastern US cohort...
March 16, 2017: BMJ Open
https://www.readbyqxmd.com/read/28288603/a-cute-angle-closure-attack-after-an-intravitreal-bevacizumab-injection-for-branch-retinal-vein-occlusion-a-case-report
#18
Seongyong Jeong, Min Sagong, Woohyok Chang
BACKGROUND: Intravitreal injection is widely used to treat retinal vein occlusion, and acute angle closure (AAC) is an exceptional complication of intravitreal injection. The authors report a case of AAC that occurred immediately after administering intravitreal bevacizumab to treat branch retinal vein occlusion (BRVO). CASE PRESENTATION: A 65-year-old woman was referred to the retina clinic of a tertiary referral center for the treatment of macular edema secondary to BRVO...
March 14, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28285709/management-and-outcomes-following-pancreaticoduodenectomy-for-ampullary-adenocarcinoma
#19
M T Chavez, J P Sharpe, T O'Brien, K T Patton, D C Portnoy, N A VanderWalde, J L Deneve, D Shibata, S W Behrman, P V Dickson
INTRODUCTION: The purpose of this study was to evaluate outcomes following pancreaticoduodenectomy(PD) for ampullary adenocarcinoma(AAC). METHODS: We evaluated patients having undergone PD for AAC and the impact of clinical/histopathologic factors and adjuvant therapy(AT) on survival. RESULTS: 52 patients underwent potentially curative PD. Perineural and lymphovascular invasion were associated with decreased survival. There was no difference in survival between patients treated with PD vs...
January 30, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/28283270/relationship-between-diffuse-idiopathic-skeletal-hyperostosis-abdominal-aortic-calcification-and-associated-metabolic-disorders-data-from-the-camargo-cohort
#20
Emilio Pariente-Rodrigo, Giusi Alessia Sgaramella, José Manuel Olmos-Martínez, Stefanie Francesca Pini-Valdivieso, Rosa Landeras-Alvaro, José Luis Hernández-Hernández
BACKGROUND AND OBJECTIVE: Diffuse idiopathic skeletal hyperostosis (DISH) and abdominal aortic calcification (AAC) are related to an increased cardiovascular risk. The aim of this study was to analyse a possible relationship between both entities and also the association between metabolic disorders and DISH. PATIENTS AND METHOD: Analytic cross-sectional study in a population-based cohort. DISH (with Resnick-Niwayama criteria) and AAC (with AAC-24 scale) were assessed on plain x-ray images...
March 7, 2017: Medicina Clínica
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