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https://www.readbyqxmd.com/read/28334922/scn2a-deletion-improves-survival-and-brain-heart-dynamics-in-the-kcna1-null-mouse-model-of-sudden-unexpected-death-in-epilepsy-sudep
#1
Vikas Mishra, Bharat K Karumuri, Nicole M Gautier, Rui Liu, Timothy N Hutson, Stephanie L Vanhoof-Villalba, Ioannis Vlachos, Leonidas Iasemidis, Edward Glasscock
People with epilepsy have greatly increased probability of premature mortality due to sudden unexpected death in epilepsy (SUDEP). Identifying which patients are most at risk of SUDEP is hindered by a complex genetic etiology, incomplete understanding of the underlying pathophysiology, and lack of prognostic biomarkers. Here we evaluated heterozygous Scn2a gene deletion (Scn2a+/-) as a protective genetic modifier in the Kcna1 knockout mouse (Kcna1-/-) model of SUDEP, while searching for biomarkers of SUDEP risk embedded in electroencephalography (EEG) and electrocardiography (ECG) recordings...
March 15, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28333678/evaluation-of-the-antibacterial-activity-of-green-propolis-extract-and-meadowsweet-extract-against-staphylococcus-aureus-bacteria-importance-in-would-care-compounding-preparations
#2
Nogueira Rodrigo José Lupatini, Panagiota Danopoulos, Rosita Swikidisa, Pinheiro Vanessa Alves
The use of natural products in compounded wound care formulas is an exciting avenue to pursue for compounding pharmacists since these natural products may contain compounds that promote healing on their own. The use of these natural extracts as an alternative therapy for wound care may also provide several benefits, such as decreased inflammation, infection, side effects, and treatment costs. Thus far, several studies have demonstrated antimicrobial activity for various natural product extracts, including green propolis and meadowsweet...
July 2016: International Journal of Pharmaceutical Compounding
https://www.readbyqxmd.com/read/28333255/alkaline-protease-contributes-to-pyocyanin-production-in-pseudomonas-aeruginosa
#3
Kazuhiro Iiyama, Eigo Takahashi, Jae Man Lee, Hiroaki Mon, Mai Morishita, Takahiro Kusakabe, Chisa Yasunaga-Aoki
The role of the alkaline protease (AprA) in pyocyanin production in Pseudomonas aeruginosa was investigated. AprA was overproduced when a plasmid carrying the aprA gene was introduced to an aprA-deletion mutant strain, EG03; thus, aprA-complemented EG03 was used as an overproducing strain. The complemented strain produced higher pyocyanin than the mutant strain in all commercially available media evaluated. Particularly, pyocyanin production was higher in the complemented than in the parental strain in brain-heart infusion and tryptic soy broths...
March 15, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28320996/feasibility-of-extracorporeal-shock-wave-myocardial-revascularization-therapy-for-post-acute-myocardial-infarction-patients-and-refractory-angina-pectoris-patients
#4
Masahiro Myojo, Jiro Ando, Masae Uehara, Masao Daimon, Masafumi Watanabe, Issei Komuro
Extracorporeal shockwave myocardial revascularization (ESMR) is one of the new treatment options for refractory angina pectoris (RAP), and some studies have indicated its effectiveness. A single-arm prospective trial to assess the feasibility of ESMR using Cardiospec for patients with post-acute myocardial infarction (AMI) and RAP was designed and performed. The patients were treated with 9 sessions of ESMR to the ischemic areas for 9 weeks. The feasibility measures included echocardiography; cardiac magnetic resonance imaging; troponin T, creatine kinase-MB (CK-MB), and brain natriuretic peptide testing; and a Seattle Angina Questionnaire (SAQ) survey...
March 21, 2017: International Heart Journal
https://www.readbyqxmd.com/read/28315356/the-effect-of-angiotensin-receptor-neprilysin-inhibitor-sacubitril-valsartan-on-central-nervous-system-amyloid-%C3%AE-concentrations-and-clearance-in-the-cynomolgus-monkey
#5
Heidi A Schoenfeld, Tim West, Philip B Verghese, Mary Holubasch, Neeta Shenoy, David Kagan, Chiara Buono, Wei Zhou, Marc DeCristofaro, Julie Douville, Geoffrey G Goodrich, Keith Mansfield, Chandra Saravanan, Frederic Cumin, Randy L Webb, Randall J Bateman
Sacubitril/valsartan (LCZ696) is the first angiotensin receptor neprilysin inhibitor approved to reduce cardiovascular mortality and hospitalization in patients with heart failure with reduced ejection fraction. As neprilysin (NEP) is one of several enzymes known to degrade amyloid-β (Aβ), there is a theoretical risk of Aβ accumulation following long-term NEP inhibition. The primary objective of this study was to evaluate the potential effects of sacubitril/valsartan on central nervous system clearance of Aβ isoforms in cynomolgus monkeys using the sensitive Stable Isotope Labeling Kinetics (SILK™)-Aβ methodology...
March 15, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28314138/depression-and-post-traumatic-stress-disorder-in-individuals-with-hereditary-hemorrhagic-telangiectasia-a-cross-sectional-survey
#6
Shruti Chaturvedi, Marianne Clancy, Nicole Schaefer, Olalekan Oluwole, Keith R McCrae
INTRODUCTION: Hereditary hemorrhagic telangiectasia (HHT) is characterized by frequent severe bleeding, particularly epistaxis, and life-threatening complications including stroke, brain abscess and heart failure. The psychological impact of HHT is not known. We conducted this cross sectional study to determine the prevalence of depression and post-traumatic stress disorder (PTSD) related to HHT. METHODS: A survey tool comprising demographic and clinical information and two validated self-administered questionnaires, the PTSD checklist for DSM-5 (PCL-5) and Beck Depression Inventory-II (BDI-II), was distributed to individuals with HHT...
March 9, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28304287/triceps-and-subscapular-skinfold-in-men-aged-40-65-and-dementia-prevalence-36-years-later
#7
Ramit Ravona-Springer, Michal Schnaider-Beeri, Uri Goldbourt
BACKGROUND: The relationship of obesity with risk for dementia is complex and may change with age. OBJECTIVE: To analyze the relationship between measures of obesity at age 40-65 and dementia prevalence in survivors 36 years later. METHODS: Obesity-related measures of triceps and subscapular skinfold thickness were assessed in 1963 in n = 9,760 men aged 40-65 participating in the Israel Ischemic Heart Disease study. Cognitive evaluation and assessment of dementia prevalence were performed in n = 1,643 participants of the original cohort who survived until 1999/2000 (age ≥76 years) and had anthropometric measures in 1963...
March 18, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28302203/-changes-in-serum-chromogranin-a-and-urotensin-ii-levels-in-children-with-chronic-heart-failure
#8
Yao-Yao Cheng, Jin-Dou An, Song Feng, Wei Ge
OBJECTIVE: To examine the changes in serum chromogranin A (CgA) and urotensin II (U II) levels in children with chronic heart failure (CHF) and their clinical significance. METHODS: A total of 58 children with CHF, among whom 17 had endocardial fibroelastosis (EFE) and 41 had dilated cardiomyopathy (DCM), were selected as CHF group, and 20 healthy children were selected as control group. Serum levels of CgA and U II were measured using enzyme-linked immunosorbent assay, and the level of N-terminal pro-brain natriuretic peptide (NT-proBNP) was determined by bi-directional lateral flow immunoassay...
March 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28298732/imaging-of-tuberous-sclerosis-complex-a-pictorial-review
#9
Felipe Mussi von Ranke, Igor Murad Faria, Gláucia Zanetti, Bruno Hochhegger, Arthur Soares Souza, Edson Marchiori
Tuberous sclerosis complex (TSC) is a genetically determined hamartomatous neurocutaneous disease with high phenotypic variability. TSC is characterized by widespread hamartomas and benign, or rarely malignant, neoplasms distributed in several organs throughout the body, especially in the brain, skin, retina, kidney, heart, and lung. Common manifestations include cortical tubers, subependymal nodules, white matter abnormalities, retinal abnormalities, cardiac rhabdomyoma, lymphangioleiomyomatosis, renal angiomyolipoma, and skin lesions...
January 2017: Radiologia Brasileira
https://www.readbyqxmd.com/read/28292881/evidence-for-a-histaminergic-input-from-the-ventral-tuberomammillary-nucleus-to-the-solitary-tract-nucleus-involved-in-arterial-pressure-regulation
#10
Ko Yamanaka, Sabine S Gouraud, Miwa Takagishi, Akira Kohsaka, Masanobu Maeda, Hidefumi Waki
The tuberomammillary nucleus (TMN) of the posterior hypothalamus has a high density of histaminergic neurons, the projection fibers of which are present in many areas of the brain, including the nucleus tractus solitarius (NTS), which controls arterial pressure (AP). In this study, we investigated whether the TMN-NTS pathway is involved in central cardiovascular regulation. Bicuculline, a gamma-aminobutyric acid type A (GABAA) receptor antagonist, was microinjected into the ventral TMN of anesthetized rats and its effects on AP and heart rate (HR) were observed...
March 2017: Physiological Reports
https://www.readbyqxmd.com/read/28288545/chronic-overexpression-of-angiotensin-1-7-in-rats-reduces-cardiac-reactivity-to-acute-stress-and-dampens-anxious-behavior
#11
Danielle Moura Santos, Fernanda Ribeiro Marins, Marcelo Limborço-Filho, Marilene Luzia de Oliveira, Daniele Hamamoto, Carlos Henrique Xavier, Fabrício Araújo Moreira, Robson Augusto Souza Santos, Maria José Campagnole-Santos, Marco Antonio Peliky Fontes
Angiotensin II (Ang II) acts as a pro-stress hormone, while other evidence indicates that angiotensin-(1-7) [Ang-(1-7)] attenuates physiological responses to emotional stress. To further test this hypothesis, in groups of 5-6 rats we evaluated autonomic, cardiovascular and behavioral parameters in male Sprague-Dawley (SD) and transgenic TGR(A1-7)3292 (TG) rats chronically overexpressing Ang-(1-7). Compared to SD rats, TG rats showed reduced baseline heart rate (HR; SD 380 ± 16 versus TG 329 ± 9 beats per minute (bpm), mean ± standard error of mean, p < ...
March 13, 2017: Stress: the International Journal on the Biology of Stress
https://www.readbyqxmd.com/read/28285269/cancer-antigen-125-plasma-level-as-a-biomarker-of-new-onset-atrial-fibrillation-in-postmenopausal-women
#12
Haruki Sekiguchi, Ken Shimamoto, Mayu Takano, Makiko Kimura, Yufuko Takahashi, Fujio Tatsumi, Eri Watanabe, Kentaro Jujo, Naoko Ishizuka, Masatoshi Kawana, Nobuhisa Hagiwara
OBJECTIVE: Plasma cancer antigen (CA)-125 is a tumour marker recently shown to be associated with systolic heart failure and new-onset atrial fibrillation (AF) after myocardial infarction. However, no reports have described the relationship between CA-125 and new-onset AF in healthy postmenopausal women. The aim of the present study was to evaluate the relationship between CA-125 and new-onset AF in postmenopausal women. METHODS: Between 2005 and 2015, 2086 women, including 1012 postmenopausal women, visited our hospital for annual health check-ups...
March 11, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28283228/perioperative-nt-probnp-level-potential-prognostic-markers-in-children-undergoing-congenital-heart-disease-surgery
#13
Jiangbo Qu, Huiying Liang, Na Zhou, Lijuan Li, Yanfei Wang, Jianbin Li, Yanqin Cui
OBJECTIVES: To assess the relationship between N-terminal pro-brain natriuretic peptide (NT-proBNP) levels at different time points and early outcome, and to evaluate the reliability of NT-proBNP level as a predictor of early outcome after surgery in a large series of children with congenital heart disease (CHD). METHODS: A retrospective observational study involving 363 consecutive children with CHD was used. Plasma NT-proBNP records were obtained for each patient before and 1, 12, and 36 hours after surgery...
February 10, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28280719/cerebral-tissue-oxygenation-during-immediate-neonatal-transition-and-resuscitation
#14
REVIEW
Gerhard Pichler, Georg M Schmölzer, Berndt Urlesberger
This article provides a review of cerebral tissue oxygenation during immediate transition after birth in human neonates. Recommended routine monitoring, especially if resuscitation is needed, during this period includes arterial oxygen saturation and heart rate measured by pulse oximetry and electrocardiogram. However, there is increasing interest to monitor in addition with near-infrared spectroscopy (NIRS) the oxygenation of the brain. There is a different pattern of increase between cerebral tissue oxygenation and arterial oxygen saturation during the immediate transition, with cerebral tissue oxygenation reaching a plateau faster than arterial oxygen saturation...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28279654/bloodstream-amyloid-beta-1-40-peptide-cognition-and-outcomes-in-heart-failure
#15
Antoni Bayes-Genis, Jaume Barallat, Marta de Antonio, Mar Domingo, Elisabet Zamora, Joan Vila, Isaac Subirana, Paloma Gastelurrutia, M Cruz Pastor, James L Januzzi, Josep Lupón
INTRODUCTION AND OBJECTIVES: In the brain, amyloid-beta generation participates in the pathophysiology of cognitive disorders; in the bloodstream, the role of amyloid-beta is uncertain but may be linked to sterile inflammation and senescence. We explored the relationship between blood levels of amyloid-beta 1-40 peptide (Aβ40), cognition, and mortality (all-cause, cardiovascular, and heart failure [HF]-related) in ambulatory patients with HF. METHODS: Bloodstream Aβ40 was measured in 939 consecutive patients with HF...
March 6, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28274574/a-risk-model-for-prediction-of-1-year-mortality-in-patients-undergoing-mitraclip-implantation
#16
Sergio Buccheri, Davide Capodanno, Marco Barbanti, Antonio Popolo Rubbio, Maria Elena Di Salvo, Salvatore Scandura, Sarah Mangiafico, Giuseppe Ronsivalle, Marta Chiarandà, Piera Capranzano, Carmelo Grasso, Corrado Tamburino
There is a lack of specific tools for risk stratification in patients who undergo MitraClip implantation. We aimed at combining preprocedural variables with prognostic impact into a specific risk model for the prediction of 1-year mortality in patients undergoing MitraClip implantation. A total of 311 consecutive patients who underwent MitraClip implantation were included. A lasso-penalized Cox-proportional hazard regression model was used to identify independent predictors of 1-year all-cause mortality. A nomogram (GRASP [Getting Reduction of mitrAl inSufficiency by Percutaneous clip implantation] nomogram) was obtained from the Cox model...
February 10, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28271640/neuroprotective-effect-of-lacosamide-on-hypoxic-ischemic-brain-injury-in-neonatal-rats
#17
Gun Ha Kim, Jung Hye Byeon, Baik Lin Eun
BACKGROUND AND PURPOSE: Lacosamide (LCM) is an antiepileptic drug that enhances the slow inactivation of sodium channels and modulates collapsin response mediator protein-2. LCM was recently demonstrated to exert a neuroprotective effect in a murine model of traumatic brain injury and status epilepticus. Assuming the same underlying excitotoxicity-related brain injury mechanism, we hypothesized that LCM would have a neuroprotective effect in hypoxic-ischemic brain injury. METHODS: We divided rats into three groups at each testing session: pre- or postfed with LCM, fed with normal saline, and sham...
March 6, 2017: Journal of Clinical Neurology
https://www.readbyqxmd.com/read/28270014/evidence-of-alterations-in-the-expression-of-orphan-receptors-gpr26-and-gpr39-due-to-the-etiology-of-the-metabolic-syndrome
#18
Rodrigo Romero-Nava, De-Shan Zhou, Noemí García, Armando Ruiz-Hernández, Yin-Chu Si, Fausto Sánchez-Muñoz, Fengyang Huang, Enrique Hong, Santiago Villafaña
AIMS: Metabolic syndrome (MS) is composed of several metabolic abnormalities that increase the risk of cardiovascular diseases and diabetes. Although there are treatments for the components of MS, this pathology maintains a high mortality, suggesting that there are other mechanisms in which orphan receptors such as GPR26 and GPR39 may be involved. For this reason, the aim of this work was to evaluate the expression of GPR26 and GPR39 orphan receptors in two models of MS (diet and genetics)...
March 7, 2017: Journal of Receptor and Signal Transduction Research
https://www.readbyqxmd.com/read/28266892/inflammatory-and-metalloproteinases-profiles-predict-three-month-poor-outcomes-in-ischemic-stroke-treated-with-thrombolysis
#19
Anna Maria Gori, Betti Giusti, Benedetta Piccardi, Patrizia Nencini, Vanessa Palumbo, Mascia Nesi, Antonia Nucera, Giovanni Pracucci, Paolina Tonelli, Eleonora Innocenti, Alice Sereni, Elena Sticchi, Danilo Toni, Paolo Bovi, Mario Guidotti, Maria Rosaria Tola, Domenico Consoli, Giuseppe Micieli, Rossana Tassi, Giovanni Orlandi, Maria Sessa, Francesco Perini, Maria Luisa Delodovici, Maria Luisa Zedde, Francesca Massaro, Rosanna Abbate, Domenico Inzitari
Inflammatory mediators and metalloproteinases are altered in acute ischemic stroke (AIS) and play a detrimental effect on clinical severity and hemorrhagic transformation of the ischemic brain lesion. Using data from the Italian multicenter observational MAGIC (MArker bioloGici nell'Ictus Cerebrale) Study, we evaluated the effect of inflammatory and metalloproteinases profiles on three-month functional outcome, hemorrhagic transformation and mortality in 327 patients with AIS treated with intravenous thrombolys in according to SITS-MOST (Safe Implementation of Thrombolysis in Stroke-MOnitoring STudy) criteria...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28258267/evaluation-of-4-sodium-hypochlorite-in-eliminating-enterococcus-faecalis-from-the-root-canal-when-used-with-three-irrigation-methods-an-in-vitro-study
#20
Harsh Priyank, Vinisha Pandey, Abhishek Bagul, Kishore Kumar Majety, Parul Verma, Basanta Kumar Choudhury
INTRODUCTION: Endodontic treatment removes all pathogens, such as Enterococcus faecalis from pulp and root canals. The aim of this study is to assess the usefulness of sodium hypo-chlorite (NaOCl) in removing E. faecalis from the root canal used with three different irrigation methods. MATERIALS AND METHODS: This study was conducted on freshly extracted maxillary incisors. After biomechanical preparation, root canals were injected with E. faecalis. Three groups were made which contained 30 teeth in each group; 2 mL of NaOCl solution was used for irrigation followed by agitation with K-files in group I; 2 mL of NaOCl solution was used for irrigation and ultrasonic agitation was done in group II...
March 1, 2017: Journal of Contemporary Dental Practice
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