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https://www.readbyqxmd.com/read/28710384/prospective-evaluation-of-the-diagnostic-value-of-plasma-apelin-12-levels-for-differentiating-patients-with-moyamoya-and-intracranial-atherosclerotic-diseases
#1
Wei Hu, Wan Jiang, Li Ye, Yanghua Tian, Bing Shen, Kai Wang
Patients with moyamoya disease (MMD) or intracranial atherosclerotic disease (ICAD) experience similar cerebral ischaemic events. However, MMD patients show greater angiogenesis and arteriogenesis, which play crucial roles in collateral circulation development to enhance clinical prognosis and outcome. Apelins have been associated with angiogenesis and arteriogenesis. Therefore, the aim of the present study was to determine whether apelin levels were higher in patients with MMD than in patients with ICAD or in healthy controls...
July 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28707667/-the-activity-of-proapoptotic-genes-increases-after-renal-ischemia-reperfusion
#2
O I Kit, D I Vodolazhsky, S N Dimitriadi, D S Kutilin, N N Timoshkina, E N Gudueva, E M Frantsiyants
According to the World Health Organization, pathologies associated with ischemia/reperfusion occupy the leading position in the structure of mortality. The efficiency of localized kidney cancer surgery is limited by the damaging effects of prolonged warm ischemia and reperfusion. Ischemia/reperfusion damage to renal tissue may be related to changes in the expression profiles of pro- and antiapoptotic genes. Here, we have presented the longitudinal expression profiles of apoptosis-related genes in tissues of left and right (intact) kidneys of male rats exposed to unilateral ischemia followed by reperfusion...
May 2017: Molekuliarnaia Biologiia
https://www.readbyqxmd.com/read/28702117/balloon-angioplasty-for-intracranial-atherosclerotic-disease-a-multicenter-study
#3
Lakshmi Sudha Prasanna Karanam, Mukesh Sharma, Anand Alurkar, Sridhar Reddy Baddam, Vijaya Pamidimukkala, Raghavasarma Polavarapu
AIM: To evaluate the role and efficacy of the balloon angioplasty in intracranial atherosclerotic disease (ICAD) in patients who presented with acute stroke due to vessel occlusion and in patients with symptomatic disease despite optimum medical management. METHODS: From 2013 to 2016, a total of 39 patients (24 males and 15 females with a mean age of 64.5 years) underwent balloon angioplasty over a period of 2 years and 8 months in three different institutions in India...
June 2017: Journal of Vascular and Interventional Neurology
https://www.readbyqxmd.com/read/28698870/current-status-and-future-perspective-of-stenting-for-symptomatic-intracranial-atherosclerotic-disease-a-meta-analysis
#4
REVIEW
Zhong-Hao Li, Zhen-Hua Zhou, Xian-Jin Zhu, Wei Liu, Ya-Wen Chen, Zi-Yao Chen, Zun-Jing Liu
The aim of this study was to evaluate the safety and effectiveness of percutaneous transluminal angioplasty and stenting (PTAS) for intracranial atherosclerotic disease (ICAD) by conducting a meta-analysis. Two independent observers searched PubMed, EMBASE, and Cochrane Library for relevant studies up to 31 December 2016. A meta-analysis was conducted using Review Manager 5.3. Three studies involving 581 cases were included. The meta-analysis indicated that any stroke (RR = 3.13; 95% CI: 1.80-5.42), ischemic stroke (RR = 2...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28571985/host-pathogen-interactions-in-bovine-mammary-epithelial-cells-and-hela-cells-by-staphylococcus-aureus-isolated-from-subclinical-bovine-mastitis
#5
Ivana G Castilho, Stéfani Thais Alves Dantas, Hélio Langoni, João P Araújo, Ary Fernandes, Fernanda C L Alvarenga, Leandro Maia, Didier Q Cagnini, Vera L M Rall
Staphylococcus aureus is a common pathogen that causes subclinical bovine mastitis due to several virulence factors. In this study, we analyzed S. aureus isolates collected from the milk of cows with subclinical mastitis that had 8 possible combinations of bap, icaA, and icaD genes, to determine their capacity to produce biofilm on biotic (bovine primary mammary epithelial cells and HeLa cells) and abiotic (polystyrene microplates) surfaces, and their ability to adhere to and invade these cells. We also characterized isolates for microbial surface components recognizing adhesive matrix molecules (MSCRAMM) and agr genes, and for their susceptibility to cefquinome sulfate in the presence of biofilm...
May 29, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28558747/weather-and-children-s-physical-activity-how-and-why-do-relationships-vary-between-countries
#6
Flo Harrison, Anna Goodman, Esther M F van Sluijs, Lars Bo Andersen, Greet Cardon, Rachel Davey, Kathleen F Janz, Susi Kriemler, Lynn Molloy, Angie S Page, Russ Pate, Jardena J Puder, Luis B Sardinha, Anna Timperio, Niels Wedderkopp, Andy P Jones
BACKGROUND: Globally most children do not engage in enough physical activity. Day length and weather conditions have been identified as determinants of physical activity, although how they may be overcome as barriers is not clear. We aim to examine if and how relationships between children's physical activity and weather and day length vary between countries and identify settings in which children were better able to maintain activity levels given the weather conditions they experienced...
May 30, 2017: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/28505525/thrombin-generation-and-intracranial-atherosclerotic-disease-in-patients-with-a-transient-ischaemic-attack
#7
Elisabetta Favaretto, Michelangelo Sartori, Cristina Legnani, Francesca Rondelli, Michela Cini, Maria Guarino, Benilde Cosmi
BACKGROUND: Intracranial atherosclerotic disease (ICAD) is responsible for at least 10% of transient ischaemic attacks (TIA). Thrombin generation has been shown to be associated with several atherosclerotic conditions and may be relevant in the pathogenesis of TIA from ICAD. OBJECTIVE: To evaluate the association between thrombin generation and ICAD in patients with TIA. MATERIALS AND METHODS: Consecutive patients with confirmed diagnosis of TIA by vascular neurologist were enrolled...
May 9, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28493109/effectiveness-of-the-conservative-therapy-for-symptomatic-isolated-celiac-artery-dissection
#8
Shaoqin Li, Lihua Cheng, Jianfei Tu, Yabin Jiao, Xulu Wu, Zhongling Wang, Dengke Zhang, Guomin Jiang, Zhongzhi Jia
OBJECTIVE: To investigate the effectiveness of the conservative therapy for symptomatic isolated celiac artery dissection (ICAD). METHODS: Patients with symptomatic ICAD diagnosed on CT between February 2006 and June 2016 at three institutions were included. RESULTS: During the study period, a total of 24 patients (22 men, 2 women) were included in this retrospective study. Patients most commonly presented with epigastric pain (n = 21) or back pain (n = 3)...
July 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28405479/comparison-of-biofilm-formation-capacities-of-two-clinical-isolates-of-staphylococcus-epidermidis-with-and-without-icaa-and-icad-genes-on-intraocular-lenses
#9
Sertaç Argun Kıvanç, Merih Kıvanç, Volkan Kılıç, Gülay Güllülü, Ahmet Tuncer Özmen
OBJECTIVES: To compare biofilm formations of two Staphylococcus epidermidis (S. epidermidis) isolates with known biofilm formation capacities on four different intraocular lenses (IOL) that have not been studied before. MATERIALS AND METHODS: Two isolates obtained from ocular surfaces and identified in previous studies and stored at -86 °C in 15% glycerol in the microbiology laboratory of the Anadolu University Department of Biology were purified and used in the study...
April 2017: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28400985/spanning-from-the-west-to-east-an-updated-review-on-endovascular-treatment-of-intracranial-atherosclerotic-disease
#10
REVIEW
Mohammed Hussain, Neil Datta, Zhe Cheng, David Dornbos, Asif Bashir, Ibrahim Sultan, Tapan Mehta, Faris Shweikeh, Paul Mazaris, Nora Lee, Amre Nouh, Xiaokun Geng, Yuchuan Ding
Ischemic stroke is a major cause of morbidity and mortality, incurring significant cost. Intracranial atherosclerotic disease (ICAD) accounts for 10-15% of ischemic stroke in Western societies, but is an underlying pathology in up to 54% of ischemic strokes in Asian populations. ICAD has largely been treated with medical management, although a few studies have examined outcomes following endovascular treatment. Our objective was to summarize the major trials that have been performed thus far in regard to the endovascular treatment of ICAD and to provide direction for future management of this disease process...
April 2017: Aging and Disease
https://www.readbyqxmd.com/read/28330958/intracranial-atherosclerosis-and-dementia-the-atherosclerosis-risk-in-communities-aric-study
#11
MULTICENTER STUDY
Jennifer L Dearborn, Yiyi Zhang, Ye Qiao, Muhammad Fareed K Suri, Li Liu, Rebecca F Gottesman, Andreea M Rawlings, Thomas H Mosley, Alvaro Alonso, David S Knopman, Eliseo Guallar, Bruce A Wasserman
OBJECTIVE: To explore the association of intracranial atherosclerotic disease (ICAD) with mild cognitive impairment (MCI) and dementia. METHODS: From 2011 to 2013, 1,744 participants completed high-resolution vessel wall MRI from the population-based Atherosclerosis Risk in Communities Study by a sampling strategy that allowed weighting back to the cohort. We defined ICAD by plaque features (presence, territory, stenosis, number). Trained clinicians used an algorithm incorporating information from interviews and neuropsychological and neurologic examinations to adjudicate for MCI and dementia...
April 18, 2017: Neurology
https://www.readbyqxmd.com/read/28320162/rnf213-rs112735431-polymorphism-in-intracranial-artery-steno-occlusive-disease-and-moyamoya-disease-in-koreans
#12
Min-Gyu Park, Jin-Hong Shin, Sang Weon Lee, Hae Rim Park, Kyung-Pil Park
BACKGROUND: The rs112735431 polymorphism of the RNF213, a susceptibility variant for moyamoya disease (MMD), may be associated with non-MMD intracranial artery steno-occlusive disease of non-MMD type (non-MMD ICAD) in Asian. We investigated whether the rs112735431 polymorphism of the RNF213 affect the development of non-MMD ICAD in Koreans compared to MMD and control group. METHODS: We included 31 patients with non-MMD ICAD, 25 patients with MMD, and 100 participants as control group...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28315432/splicing-factors-of-sr-and-hnrnp-families-as-regulators-of-apoptosis-in-cancer
#13
Hanna Kędzierska, Agnieszka Piekiełko-Witkowska
SR and hnRNP proteins were initially discovered as regulators of alternative splicing: the process of controlled removal of introns and selective joining of exons through which multiple transcripts and, subsequently, proteins can be expressed from a single gene. Alternative splicing affects genes involved in all crucial cellular processes, including apoptosis. During cancerogenesis impaired apoptotic control facilitates survival of cells bearing molecular aberrations, contributing to their unrestricted proliferation and chemoresistance...
March 14, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28297746/screening-of-anti-biofilm-compounds-from-marine-derived-fungi-and-the-effects-of-secalonic-acid-d-on-staphylococcus-aureus-biofilm
#14
Jie Wang, Xu-Hua Nong, Xiao-Yong Zhang, Xin-Ya Xu, Muhammad Amin, Shu-Hua Qi
Biofilm formation of Staphylococcus aureus is one of its mechanisms of drug resistance. Antibiofilm screening of 106 compounds from marine-derived fungi displayed that 12 compounds inhibited S. aureus biofilm formation by >50% at the concentration of 100 μg/ml, and only secalonic acid D (SAD) and B inhibited by >90% at 6.25 μg/ml without inhibiting cell growth after 24-h incubation. Meanwhile, it was found that the double bond between C-1 and C-10 of citrinin derivatives and the C-C connection position of two chromone monomers may be important for their anti-biofilm activities...
June 28, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28283006/-investigation-of-biofilm-formation-properties-of-staphylococcus-isolates
#15
Duygu Nilüfer Öcal, İştar Dolapçı, Zeynep Ceren Karahan, Alper Tekeli
Biofilm production is an important virulence factor which allows staphylococci to adhere to medical devices. The principal component of biofilm is a "polysaccharide intercellular adhesin (PIA)" which is composed of a beta-1,6-N-acetylglucosamine polymer synthesized by an enzyme (N-acetylglucosamine transferase) encoded by the ica operon found on the bacterial chromosome. This operon is composed of four genes (A, B, C, and D), and a transposable element IS256. In this study, we aimed to determine the biofilm production characteristics of invasive/non-invasive staphylococcus isolates and different staphylococcus species...
January 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/28277404/associations-of-vigorous-intensity-physical-activity-with-biomarkers-in-youth
#16
Justin B Moore, Michael W Beets, Keith Brazendale, Steven N Blair, Russell R Pate, Lars B Andersen, Sigmund A Anderssen, Anders Grøntved, Pedro C Hallal, Katarzyna Kordas, Susi Kriemler, John J Reilly, Luis B Sardinha
INTRODUCTION: Physical activity (PA) conveys known cardiometabolic benefits to youth, but the contribution of vigorous-intensity PA (VPA) to these benefits is unknown. Therefore, we sought to determine (a) the associations between VPA and cardiometabolic biomarkers independent of moderate-intensity PA (MPA) and time sedentary and (b) the accelerometer cut point that best represents the threshold for health-promoting VPA in youth. METHODS: Data from the International Children's Accelerometry Database (ICAD) were analyzed in 2015...
July 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28273724/imaging-angiogenesis-using-68-ga-nota-prgd2-positron-emission-tomography-computed-tomography-in-patients-with-severe-intracranial-atherosclerotic-disease
#17
Shi Shu, Li Zhang, Yi Cheng Zhu, Fang Li, Li Ying Cui, Hao Wang, Yi Sun, Pei Lin Wu, Zhao Hui Zhu, Bin Peng
Angiogenesis is a critical compensation route, which has been demonstrated in the brain following ischemic stroke; however, few studies have investigated angiogenesis in chronic intracranial atherosclerosis disease (ICAD). We used (68)Ga-NOTA-PRGD2 positron emission tomography/computed tomography based imaging to detect angiogenesis in chronic ICAD and to explore the factors that may have affected it. A total of 21 participants with unilateral severe chronic ICAD were included in the study. Of the 21 participants, 19 were men; the mean (SD) age was 52 (15) years...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28237430/evaluation-of-impact-of-an-external-breast-shield-flexishield-in-electronic-brachytherapy-for-breast-iort-a-phantom-study
#18
Yongbok Kim, Jason Wei-Yeong Huynh, Victor J Gonzalez
PURPOSE: To investigate Axxent (iCAD, Inc., San Jose, CA) electronic brachytherapy balloon deformation and its dosimetric impact because of an external flexible shield (FlexiShield [FS]; iCAD, Inc.). METHODS AND MATERIALS: Prostheses breast tissue phantom overlaid three spherical balloon applicators to simulate three clinical scenarios depending on minimum skin-to-balloon surface spacing (SS): balloon with SS of 2 cm, 1 cm, and balloon with 1 cm SS and touching the chest wall...
May 2017: Brachytherapy
https://www.readbyqxmd.com/read/28214190/biofilm-formation-by-staphylococcus-aureus-isolates-from-a-dental-clinic-in-konya-turkey
#19
Emrah Torlak, Emre Korkut, Ali T Uncu, Yağmur Şener
The ability of Staphylococcus aureus to form biofilm is considered to be a major virulence factor influencing its survival and persistence in both the environment and the host. Biofilm formation in S. aureus is most frequently associated with production of polysaccharide intercellular adhesion by ica operon-encoded enzymes. The present work aimed at evaluating the in vitro biofilm production and presence of the icaA and icaD genes in S. aureus isolates from a dental clinic in Konya, Turkey. The surfaces of inanimate objects were sampled over a period of six months...
February 14, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/28131956/evaluation-of-the-biofilm-forming-ability-and-its-associated-genes-in-staphylococcus-species-isolates-from-bovine-mastitis-in-argentinean-dairy-farms
#20
Verónica Felipe, Carolina A Morgante, Paola S Somale, Florencia Varroni, María L Zingaretti, Romina A Bachetti, Silvia G Correa, Carina Porporatto
Staphylococcus aureus and coagulase-negative staphylococci (CNS) are important causes of intramammary infection in dairy cattle, and their ability to produce biofilm is considered an important virulence property in the pathogenesis of mastitis. However, the published date on mechanisms and factors involved in infection persistence in the mammary gland remains unclear. The aim of this study was to investigate whether the main Staphylococcus species involved in bovine intramammary infections possess specific characteristics that promote colonization of the udder...
March 2017: Microbial Pathogenesis
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