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https://www.readbyqxmd.com/read/29036451/genetic-mapping-and-phylogenetic-analysis-reveal-intraspecific-variation-in-sex-chromosomes-of-the-virginian-strawberry
#1
Na Wei, Rajanikanth Govindarajulu, Jacob A Tennessen, Aaron Liston, Tia-Lynn Ashman
With their extraordinary diversity in sexual systems, flowering plants offer unparalleled opportunities to understand sex determination and to reveal generalities in the evolution of sex chromosomes. Comparative genetic mapping of related taxa with good phylogenetic resolution can delineate the extent of sex chromosome diversity within plant groups, and lead the way to understanding the evolutionary drivers of such diversity. The North American octoploid wild strawberries provide such an opportunity. We performed linkage mapping using targeted sequence capture for the subdioecious western Fragaria virginiana ssp...
September 27, 2017: Journal of Heredity
https://www.readbyqxmd.com/read/29035885/als-related-mutant-fus-protein-is-mislocalized-to-cytoplasm-and-is-recruited-into-stress-granules-of-fibroblasts-from-asymptomatic-fus-p525l-mutation-carriers
#2
Margherita Lo Bello, Francesca Di Fini, Antonietta Notaro, Rossella Spataro, Francesca L Conforti, Vincenzo La Bella
BACKGROUND: Amyotrophic lateral sclerosis (ALS) shows a strong genetic basis, with SOD1, FUS, TARDBP, and C9ORF72 being the genes most frequently involved. This has allowed identification of asymptomatic mutation carriers, which may be of help in understanding the molecular changes preceding disease onset. OBJECTIVES: We studied the cellular expression of FUS protein and the effect of heat-shock- and dithiothreitol-induced stress in fibroblasts from FUS P525L mutation carriers, healthy controls, and patients with sporadic ALS...
October 17, 2017: Neuro-degenerative Diseases
https://www.readbyqxmd.com/read/29033393/new-bioactive-glass-scaffolds-with-exceptional-qualities-for-bone-tissue-regeneration-response-of-osteoblasts-and-osteoclasts
#3
Tia Kowal, Natalie C Hahn, Stephanie Eider, Jutta Marzillier, Daniella Marie Fodera, Ukrit Thamma, Himanshu Jain, Matthias M Falk
Tissue regeneration is a significantly improved alternative to tissue replacement by implants. It requires porous bioscaffolds for the restoration of natural tissue rather than relying on bio-inactive, often metallic implants. Recently, we developed technology for fabricating novel, nano-macroporous bioactive 'Tailored Amorphous Multi-Porous (TAMP)' hard tissue scaffolds using a 70 mol% SiO2-30 mol% CaO model composition. The TAMP silicate scaffolds, fabricated by a modified sol-gel process, have shown excellent biocompatibility via the rapid formation of hydroxyapatite in biological fluids as well as in early tests with bone forming cells...
October 16, 2017: Biomedical Materials
https://www.readbyqxmd.com/read/29021357/radiographic-and-symptomatic-brain-ischemia-in-cea-and-cas-a-systematic-review-and-meta-analysis
#4
Sung-Min Cho, Abhishek Deshpande, Vinay Pasupuleti, Adrian V Hernandez, Ken Uchino
OBJECTIVE: In a systematic review, we compared ratio of new periprocedural radiographic brain ischemia (RBI) to the number of strokes and TIAs among patients undergoing carotid endarterectomy (CEA) and carotid artery stenting (CAS). METHODS: We searched 5 databases for entries related to brain ischemia in CEA or CAS from inception through September 2015. We included articles with CEA or CAS and systematic performance of preprocedural and postprocedural brain MRI and reporting of RBI and stroke incidence...
October 11, 2017: Neurology
https://www.readbyqxmd.com/read/29021355/population-based-study-of-home-time-by-stroke-type-and-correlation-with-modified-rankin-score
#5
Amy Y X Yu, Edwin Rogers, Meng Wang, Tolulope T Sajobi, Shelagh B Coutts, Bijoy K Menon, Michael D Hill, Eric E Smith
OBJECTIVE: To describe home-time, stratified by stroke type, in a complete population and to determine its correlation with modified Rankin Scale (mRS) scores. METHODS: We used linked administrative data to derive home-time in all patients admitted for a cerebrovascular event in Alberta, Canada, between 2012 and 2016. Home-time is the number of days spent outside a health institution in the first 90 days after index hospitalization. We used negative binomial regression, adjusted for age, sex, Charlson comorbidity index, and hospital location, to determine the association between home-time and stroke type...
October 11, 2017: Neurology
https://www.readbyqxmd.com/read/29018562/local-availability-of-green-and-blue-space-and-prevalence-of-common-mental-disorders-in-the-netherlands
#6
Sjerp de Vries, Margreet Ten Have, Saskia van Dorsselaer, Manja van Wezep, Tia Hermans, Ron de Graaf
BACKGROUND: Previous studies revealed a relationship between residential green space availability and health, especially mental health. Studies on blue space are scarcer and results less conclusive. AIMS: To investigate the hypotheses that green and blue space availability are negatively associated with anxiety and mood disorders, and positively associated with self-reported mental and general health. METHOD: Health data were derived from a nationally representative survey (NEMESIS-2, n=6621), using a diagnostic interview to assess disorders...
November 2016: BJPsych Open
https://www.readbyqxmd.com/read/29018133/carotid-web-intimal-fibromuscular-dysplasia-has-high-stroke-recurrence-risk-and-is-amenable-to-stenting
#7
Diogo C Haussen, Jonathan A Grossberg, Mehdi Bouslama, Gustavo Pradilla, Samir Belagaje, Nicolas Bianchi, Jason W Allen, Michael Frankel, Raul G Nogueira
BACKGROUND AND PURPOSE: Carotid webs have been increasingly recognized as a cause of recurrent stroke, but evidence remains scarce. We aim to report the clinical outcomes and first series of carotid stenting in a cohort of patients with strokes from symptomatic carotid webs. METHODS: Prospective and consecutive data of patients <65 years old with cryptogenic stroke admitted within September 2014 to May 2017. Carotid web was defined by a shelf-like/linear filling defect in the posterior internal carotid artery bulb by computed tomographic angiography...
October 10, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/29017819/jasmonates-are-signals-in-the-biosynthesis-of-secondary-metabolites-pathways-transcription-factors-and-applied-aspects-a-brief-review
#8
REVIEW
Claus Wasternack, Miroslav Strnad
Jasmonates (JAs) are signals in plant stress responses and development. One of the first observed and prominent responses to JAs is the induction of biosynthesis of different groups of secondary compounds. Among them are nicotine, isoquinolines, glucosinolates, anthocyanins, benzophenanthridine alkaloids, artemisinin, and terpenoid indole alkaloids (TIAs), such as vinblastine. This brief review describes modes of action of JAs in the biosynthesis of anthocyanins, nicotine, TIAs, glucosinolates and artemisinin...
October 7, 2017: New Biotechnology
https://www.readbyqxmd.com/read/29016695/oral-anticoagulant-persistence-in-patients-with-non-valvular-atrial-fibrillation-a-cohort-study-using-primary-care-data-in-germany
#9
Shuk-Li Collings, Cinira Lefèvre, Michelle E Johnson, David Evans, Guido Hack, Gillian Stynes, Andrew Maguire
This study examined characteristics and treatment persistence among patients prescribed oral anticoagulants (OACs) for stroke prevention in non-valvular atrial fibrillation (NVAF). We identified 15,244 patients (51.8% male, 72.7% aged ≥70) with NVAF and no prior OAC therapy who were prescribed apixaban (n = 1,303), rivaroxaban (n = 5,742), dabigatran (n = 1,622) or vitamin-K antagonists (VKAs, n = 6,577) between 1-Dec-2012 and 31-Oct-2014 in German primary care (IMS® Disease Analyzer). We compared OAC persistence using Cox regression over patients' entire follow-up and using a data-driven time-partitioned approach (before/after 100 days) to handle non-proportional hazards...
2017: PloS One
https://www.readbyqxmd.com/read/28993906/antiangiogenesis-and-medical-therapy-failure-in-intracranial-atherosclerosis
#10
Nestor R Gonzalez, Raymond Liou, Florian Kurth, Hao Jiang, Jeffrey Saver
Intracranial atherosclerotic disease (ICAD) is one of the most common causes of stroke worldwide and the one with the worst prognosis. In this study, we assessed the hypothesis that the balance of circulating pro- and antiangiogenic factors plays a role in the evolution of the disease and can be used as a potential marker for the disease course and a target for treatment. Seventy-four patients with severe ICAD were enrolled in this prospective observational study, medically optimized, and followed for 6 months...
October 9, 2017: Angiogenesis
https://www.readbyqxmd.com/read/28988455/safety-profiles-of-percutaneous-left-atrial-appendage-closure-devices-an-analysis-of-the-food-and-drug-administration-manufacturer-and-user-facility-device-experience-maude-database-from-2009-2016
#11
Mohammad-Ali Jazayeri, Venkat Vuddanda, Mohit K Turagam, Valay Parikh, Madhav Lavu, Donita Atkins, Matthew Earnest, Luigi Di Biase, Andrea Natale, David Wilber, Yeruva Madhu Reddy, Dhanunjaya Lakkireddy
BACKGROUND: Percutaneous left atrial appendage closure (LAAC) is a viable option for AF patients who are unable to tolerate long term oral anticoagulation (OAC). OBJECTIVE: We sought to assess the safety of two commonly used percutaneous devices for LAA closure in the United States by analysis of surveillance data from the FDA Manufacturer and User Facility Device Experience (MAUDE) database. METHODS: The MAUDE database was queried between May 1, 2006 and May 1, 2016 for LARIAT® (SentreHEART Inc...
October 8, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28985276/mortality-and-macrovascular-risk-in-elderly-with-hypertension-and-diabetes-effect-of-intensive-drug-therapy
#12
Arseniy P Yashkin, Julia Kravchenko, Anatoliy I Yashin, Frank Sloan
Background: This study identifies the effect of intensive drug therapy in individuals age 65+ with diabetes (T2D) and hypertension on all-cause death, congestive heart failure (CHF) and hospitalization for myocardial infarction (MI) and stroke/transient ischemic attack (stroke/TIA). Methods: Individuals from the Medicare 5% dataset with hypertension and T2D undergoing intensive drug therapy for these conditions were propensity score matched to a non-intensive-drug-therapy group...
August 14, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28983441/high-value-care-in-the-evaluation-of-stroke
#13
Prakrity Urja, Eric H Nippoldt, Virginia Barak, Carrie Valenta
Value-based care emphasizes achieving the greatest overall health benefit for every dollar spent. We present an interesting case of stroke, which made us consider how frequently health care providers are utilizing value-based care. A 73-year-old Caucasian, who was initially admitted for a hypertensive emergency, was transferred to our facility for worsening slurring of speech and left-sided weakness. The patient had an extensive chronic cerebrovascular disease, including multiple embolic type strokes, mainly in the distribution of the right temporal-occipital cerebral artery and transient ischemic attacks (TIAs)...
August 1, 2017: Curēus
https://www.readbyqxmd.com/read/28981999/special-section-guest-editorial-advanced-laser-technologies-for-biophotonics
#14
Martin Leahy, Tia Keyes, Valery Tuchin, Alexander Priezzhev
This guest editorial introduces the special section on Advanced Laser Technologies for Biophotonics.
September 27, 2017: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/28980387/vascular-complications-after-balloon-aortic-valvuloplasty-in-recent-years-incidence-and-comparison-of-two-hemostatic-devices
#15
Gianni Dall'Ara, Andrea Santarelli, Antonio Marzocchi, Maria Letizia Bacchi Reggiani, Maria Rita Sabattini, Carolina Moretti, Cinzia Marrozzini, Nevio Taglieri, Federica Baldazzi, Nicoletta Franco, Paolo Ortolani, Matteo Chiarabelli, Giulio Rodinò, Giancarlo Piovaccari, Claudio Rapezzi, Francesco Saia
OBJECTIVES: To define the incidence of vascular complications (VC) after balloon aortic valvuloplasty (BAV) in recent years, and to compare the performance of two vascular closure devices (VCD). BACKGROUND: VC remain the most frequent drawback of BAV and are associated with adverse clinical outcomes. METHODS: All BAV procedures performed at 2 high-volume centers over a 6-year period (n = 930) were collected in prospective registries and investigated to assess the incidence of Valve Academic Research Consortium-2 (VARC-2) defined VC...
October 5, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28977360/cognitive-function-and-changes-in-cognitive-function-as-predictors-of-incident-cardiovascular-disease-the-women-s-health-initiative-memory-study
#16
Xiaoyan Leng, Mark A Espeland, JoAnn E Manson, Marcia L Stefanick, Emily W Gower, Kathleen M Hayden, Marian C Limacher, Leslie Vaughan, Jennifer Robinson, Robert Wallace, Sylvia Wassertheil-Smoller, Kristine Yaffe, Sally A Shumaker
Background: Cognitive impairment and decline may signal the increased risk of incident cardiovascular disease (CVD). We examined associations of global cognitive function, as measured by the Modified Mini-Mental State Examination (3MS) and changes in 3MS over time, with incident CVD, individual CVD outcomes, CVD death, and all-cause mortality. Methods: A total of 5,596 women (≥ 60) from the Women's Health Initiative Memory Study free of CVD at baseline were followed for an average of 7...
July 25, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28976195/multimodal-super-resolution-optical-microscopy-using-a-transition-metal-based-probe-provides-unprecedented-capabilities-for-imaging-both-nucle-ar-chromatin-and-mitochondria
#17
Sreejesh Sreedharan, Martin Gill, Esther Garcia, Hiwa K Saeed, Darren Robinson, Aisling Byrne, Ashley James Cadby, Tia E Keyes, Carl G W Smythe, Patrina Pellett, Jorge Bernardino de la Serna, Jim Antony Thomas
Detailed studies on the live cell uptake properties of a dinuclear membrane permeable permeable RuII cell probe show that, at low concentrations, the complex localizes and images mitochondria. At concentrations above ~20 μM the complex images nuclear DNA. Since the complex is extremely photostable, has a large Stokes shift, and displays intrinsic subcellular targeting, its compatibility with super-resolution techniques was investigated. It was found to be very well suited to image mitochondria and nuclear chromatin in two col-our, 2C-SIM; and STED and 3D-STED both in fixed and live cell...
October 4, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28969739/hyperhomocysteinemia-presenting-with-complete-unilateral-intracranial-and-extracranial-carotid-occlusion-in-a-young-patient
#18
Farheen Niazi, Abdul Rahman, Uzma Batool
Hyperhomocysteinemia has been associated with premature peripheral vascular, cerebrovascular, and coronary artery disease. It has been associated with vascular diseases including cerebrovascular disease, particularly in subjects with significant carotid stenosis. However, hyperhomocysteinemia causing unilateral complete occlusion of whole of internal carotid, common carotid, and external carotid has been rarely reported. We report a case of an adult patient aged 35-year with complete occlusion of right common carotid, internal carotid, both intracranial and extracranial part, presented with recurrent TIAs and stroke and was found to be having hyperhomocysteinemia as the cause of this complete occlusion and showed marked clinical recovery with appropriate treatment...
September 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28966808/aging-metabolism-and-cancer-development-from-peto-s-paradox-to-the-warburg-effect
#19
REVIEW
Tia R Tidwell, Kjetil Søreide, Hanne R Hagland
Medical advances made over the last century have increased our lifespan, but age-related diseases are a fundamental health burden worldwide. Aging is therefore a major risk factor for cardiovascular disease, cancer, diabetes, obesity, and neurodegenerative diseases, all increasing in prevalence. However, huge inter-individual variations in aging and disease risk exist, which cannot be explained by chronological age, but rather physiological age decline initiated even at young age due to lifestyle. At the heart of this lies the metabolic system and how this is regulated in each individual...
October 2017: Aging and Disease
https://www.readbyqxmd.com/read/28965666/differences-in-carotid-artery-atherosclerosis-between-men-and-women-in-the-early-phase-after-ischemic-event
#20
Marta Skowronska, Anna Piorkowska, Anna Czlonkowska
OBJECTIVES: There is little data about sex differences in carotid atherosclerosis in the early phase after an ischemic event. The aim of this study was to examine the carotid artery atherosclerosis differences between men and women in early phase after TIA or stroke. METHODS: Consecutive patients with recent ischemic event, admitted during the first week after symptom onset were examined with ultrasound. Sex differences in degree of stenosis, number of plaques and plaque morphology were compared...
September 20, 2017: Neurologia i Neurochirurgia Polska
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