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https://www.readbyqxmd.com/read/28526532/significant-elevation-of-serum-caspase-3-levels-in-patients-with-intracerebral-hemorrhage
#1
De-Biao Sun, Meng-Jun Xu, Qing-Meng Chen, Hai-Tao Hu
BACKGROUND: Caspase-3 is a potential marker of apoptosis. We investigated whether serum caspase-3 concentrations were increased and its association with severity and prognosis after intracerebral hemorrhage (ICH). METHODS: This prospective clinical study recruited 112 ICH patients and 112 healthy individuals. Serum was assayed for caspase-3 using enzyme-linked immunosorbent assay. Stroke severity was quantified by National Institute of Health Stroke Scale (NIHSS) and hematoma volume...
May 16, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28526531/detection-of-high-serum-concentration-of-cxc-chemokine-ligand-12-in-acute-intracerebral-hemorrhage
#2
Jia Shen, Bin Chen, Guan-Rong Zheng, Shen-Zhong Qiu, Huai-Ming Yin, Wei Mao, Hong-Xiang Wang, Jian-Bo Gao
BACKGROUND: CXC chemokine ligand-12 (CXCL12), a member of the CXC chemokine subfamily, is involved in both focal angiogenesis and inflammatory reactions. We examined serum CXCL12 concentration in intracerebral hemorrhage (ICH) patients and its correlation to stroke severity and outcome. METHODS: The study was carried out on 105 ICH patients on 105 healthy controls. Serum samples were at admission obtained to measure CXCL12 concentrations. The National Institutes of Health Stroke Scale (NIHSS) and hematoma volume were recorded to assess stroke severity...
May 16, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28525977/the-intracerebral-hemorrhage-acutely-decreasing-arterial-pressure-trial-ii-ich-adapt-ii-protocol
#3
Laura Gioia, Ana Klahr, Mahesh Kate, Brian Buck, Dariush Dowlatshahi, Thomas Jeerakathil, Derek Emery, Kenneth Butcher
BACKGROUND: Aggressively lowering blood pressure (BP) in acute intracerebral hemorrhage (ICH) may improve outcome. Although there is no evidence that BP reduction changes cerebral blood flow, retrospective magnetic resonance imaging (MRI) studies have demonstrated sub-acute ischemic lesions in ICH patients. The primary aim of this study is to assess ischemic lesion development in patients randomized to two different BP treatment strategies. We hypothesize aggressive BP reduction is not associated with ischemic injury after ICH...
May 19, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28525823/development-and-validation-of-a-reversed-phase-hplc-method-for-analysis-of-radiochemical-purity-in-123-i-ibzm
#4
Shiou-Shiow Farn, Yuen-Han Yeh, Chang-Chin Li, Ching-Shiuann Yang, Jenn-Tzong Chen, Chung-Shan Yu, Wuu-Jyh Lin
[(123)I]IBZM is used widely for in vivo imaging of D2 receptors in human brain and shows relatively fast kinetics and a greater susceptibility to synaptic dopamine release than other single-photon emission computed tomography (SPECT) radioligands. A reliable and reversed-phase HPLC method using UV/VIS and radiometric detectors has been developed for qualitative analysis of BZM and IBZM and radiochemical purity in [(123)I]IBZM preparations. The method uses gradient elution on a Zorbax XDB C-18 column with a mobile phase that consists of 10mM 3,3-dimethylglutaric acid (DMGA), pH 7...
April 15, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28524762/exosomes-promote-restoration-after-an-experimental-animal-model-of-intracerebral-hemorrhage
#5
Laura Otero-Ortega, Mari Carmen Gómez de Frutos, Fernando Laso-García, Berta Rodríguez-Frutos, Esperanza Medina-Gutiérrez, Juan Antonio López, Jesús Vázquez, Exuperio Díez-Tejedor, María Gutiérrez-Fernández
Exosomes are gaining importance because they show great promise in therapeutic applications for several diseases. Particularly in stroke, exosomes derived from mesenchymal stem cell (MSC) therapy work as paracrine effectors responsible for promoting neurovascular remodeling and functional recovery. Adult male rats were subjected to intracerebral hemorrhage (ICH) by intrastriatal injection of collagenase type IV; 24 h after surgery, MSC-derived exosomes were administered through the tail vein. The rats were euthanized at 7 or 28 days after treatment...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28524175/modulators-of-microglial-activation-and-polarization-after-intracerebral-haemorrhage
#6
REVIEW
Xi Lan, Xiaoning Han, Qian Li, Qing-Wu Yang, Jian Wang
Intracerebral haemorrhage (ICH) is the most lethal subtype of stroke but currently lacks effective treatment. Microglia are among the first non-neuronal cells on the scene during the innate immune response to ICH. Microglia respond to acute brain injury by becoming activated and developing classic M1-like (proinflammatory) or alternative M2-like (anti-inflammatory) phenotypes. This polarization implies as yet unrecognized actions of microglia in ICH pathology and recovery, perhaps involving microglial production of proinflammatory or anti-inflammatory cytokines and chemokines...
May 19, 2017: Nature Reviews. Neurology
https://www.readbyqxmd.com/read/28524003/targeting-the-programmed-cell-death-1-pathway-in-genitourinary-tumors-current-progress-and-future-perspectives
#7
Rodolfo Montironi, Liang Cheng, Holger Moch, Antonio Lopez-Beltran, Marina Scarpelli, Francesco Massari, Michelangelo Fiorentino, Chiara Ciccarese, Michael Koch, Hristos Z Kaimakliotis, Lisha Wang, Roberto Pili, Steven A Mann
Immune checkpoint inhibitors have revolutionized the treatment many malignancies with over a dozen new United States Food and Drug Administration (FDA) approvals in the past six years. Due to the combination of potent treatment success and potentially deadly adverse effects from immune checkpoint inhibitors, gathering prognostic and predictive information about FDA-indicated tumors is prudent. PD-L1 expression is a poor prognostic factor and predictive of better responses from both PD-1 and PD-L1 inhibitors in a variety of tumor types including RCC and urothelial carcinoma...
May 18, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/28515710/resistant-hypertension-after-hypertensive-intracerebral-hemorrhage-is-associated-with-more-medical-interventions-and-longer-hospital-stays-without-affecting-outcome
#8
Daojun Hong, Dana Stradling, Cyrus K Dastur, Yama Akbari, Leonid Groysman, Lama Al-Khoury, Jefferson Chen, Steven L Small, Wengui Yu
BACKGROUND: Hypertension (HTN) is the most common cause of spontaneous intracerebral hemorrhage (ICH). The aim of this study is to investigate the role of resistant HTN in patients with ICH. METHODS AND RESULTS: We conducted a retrospective study of all consecutive ICH admissions at our medical center from November 2013 to October 2015. The clinical features of patients with resistant HTN (requiring four or more antihypertensive agents to keep systolic blood pressure <140 mm Hg) were compared with those with responsive HTN (requiring three or fewer agents)...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28515266/total-small-vessel-disease-score-and-risk-of-recurrent-stroke-validation-in-2-large-cohorts
#9
Kui Kai Lau, Linxin Li, Ursula Schulz, Michela Simoni, Koon Ho Chan, Shu Leong Ho, Raymond Tak Fai Cheung, Wilhelm Küker, Henry Ka Fung Mak, Peter M Rothwell
OBJECTIVE: In patients with TIA and ischemic stroke, we validated the total small vessel disease (SVD) score by determining its prognostic value for recurrent stroke. METHODS: Two independent prospective studies were conducted, one comprising predominantly Caucasian patients with TIA/ischemic stroke (Oxford Vascular Study [OXVASC]) and one predominantly Chinese patients with ischemic stroke (University of Hong Kong [HKU]). Cerebral MRI was performed and assessed for lacunes, microbleeds, white matter hyperintensities (WMH), and perivascular spaces (PVS)...
May 17, 2017: Neurology
https://www.readbyqxmd.com/read/28512445/the-therapeutic-value-of-bone-marrow-derived-endothelial-progenitor-cell-transplantation-after-intracerebral-hemorrhage-in-rats
#10
Rui Zhang, Jing Yang, Jingjing Yuan, Bo Song, Yan Wang, Yuming Xu
AIMS: To study the effect of endothelial progenitor cell (EPC) treatment on intracerebral hemorrhage (ICH) in rats and elucidate possible mechanisms. METHODS: The rats were randomly divided into three groups: (1) EPC group: ICH + EPC, (2) phosphate-buffered saline group: ICH + PBS, and (3) sham group. EPCs were transplanted intravenously 6 h after ICH. Modified neurological severity score was used to evaluate neurological function. Blood-brain barrier (BBB) integrity was evaluated...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28512175/2015-2016-quality-risk-management-benchmarking-survey
#11
Kelly Waldron, Emma Ramnarine, Jeffrey Hartman
This paper investigates the concept of Quality Risk Management (QRM) maturity as it applies to the pharmaceutical and biopharmaceutical industries, using the results and analysis from a QRM benchmarking survey conducted in 2015 and 2016. QRM maturity can be defined as the effectiveness and efficiency of a quality risk management program, moving beyond 'check-the-box' compliance with guidelines such as ICH Q9 Quality Risk Management, to explore the value QRM brings to business and quality operations. While significant progress has been made towards full adoption of quality risk management principles and practices across industry, the full benefits of QRM have not yet been fully realized...
May 15, 2017: PDA Journal of Pharmaceutical Science and Technology
https://www.readbyqxmd.com/read/28512110/in-patients-with-intracerebral-haemorrhage-and-concomitant-atrial-fibrillation-optimal-timing-of-reinitiating-anticoagulants-may-be-7-8-weeks-after-ich
#12
Catharina Jm Klijn, Floris Hbm Schreuder
No abstract text is available yet for this article.
May 16, 2017: Evidence-based Medicine
https://www.readbyqxmd.com/read/28511997/thorough-qt-tqt-studies-concordance-with-torsadogenesis-and-an-evolving-cardiac-safety-testing-paradigm
#13
Barbara Wiśniowska, Zofia Tylutki, Sebastian Polak
Since 2005, when the International Conference on Harmonisation (ICH) E14 guideline was adopted, no drug has been withdrawn because of QTc prolongation or torsade de pointes arrhythmia. There are, however, costs associated with this success. In addition to the time and money invested, thorough QT (TQT) studies have limited the efficiency of the drug development pipeline. In this paper, we discuss the relevance of TQT trials as a tool for proarrhythmic risk prediction as a part of the debate regarding their usefulness...
May 13, 2017: Drug Discovery Today
https://www.readbyqxmd.com/read/28505996/depression-one-year-after-hemorrhagic-stroke-is-associated-with-late-worsening-of%C3%A2-outcomes
#14
Sara Stern-Nezer, Irina Eyngorn, Michael Mlynash, Ryan W Snider, Chitra Venkatsubramanian, Christine A C Wijman, Marion S Buckwalter
BACKGROUND: Poststroke depression is the most common psychiatric sequelae of stroke, and it's independently associated with increased morbidity and mortality. Few studies have examined depression after intracranial hemorrhage (ICH). OBJECTIVE: To investigate the relationship between depression, ICH and outcomes. METHODS: A substudy of the prospective Diagnostic Accuracy of MRI in Spontaneous Intracerebral Hemorrhage (DASH) study, we included 89 subjects assessed for depression 1 year after hemorrhage...
May 11, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28505619/bone-marrow-mesenchymal-stem-cell-transplantation-increases-gap-43-expression-via-erk1-2-and-pi3k-akt-pathways-in-intracerebral-hemorrhage
#15
Jianzhong Cui, Changmeng Cui, Ying Cui, Ran Li, Huaxin Sheng, Xiaohua Jiang, Yanxia Tian, Kaijie Wang, Junling Gao
BACKGROUND/AIMS: Intracerebral hemorrhage (ICH) occurs in hypertensive patients and results in high rates of mortality and disability. This study determined whether bone marrow mesenchymal stem cell (BMSC) transplantation affects axonal regeneration and examined the underlying mechanisms after the administration of PD98059 (p-ERK1/2 inhibitor) or/ and LY294002 (PI3K inhibitor). The hypothesis that was intended to be tested was that BMSC transplantation regulates the expression of growth-associated protein-43 (GAP-43) via the ERK1/2 and PI3K/Akt signaling pathways...
May 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28505230/degradation-and-impurity-profile-study-of-ciclopirox-olamine-after-pre-column-derivatization-a-risk-based-approach
#16
Madhuri Baghel, Sadhana Rajput
The present study focus on ICH prescribed stress degradation of ciclopirox olamine after precolumn derivatization. For establishing stability-indicating assay, the reaction solutions in which different degradation products were formed were mixed, and the separation was optimized by applying principle of QbD. A risk-analysis tools based on cause-effect risk assessment matrix with control-noise-experimentation (CNX) approach was utilized for identifying the high risk variable affecting the analytical attributes...
May 13, 2017: Journal of Chromatographic Science
https://www.readbyqxmd.com/read/28503547/theoretically-guided-analytical-method-development-and-validation-for-the-estimation-of-rifampicin-in-a-mixture-of-isoniazid-and-pyrazinamide-by-uv-spectrophotometer
#17
Mohammad F Khan, Shamima A Rita, Md Shahidulla Kayser, Md Shariful Islam, Sharmeen Asad, Ridwan Bin Rashid, Md Abdul Bari, Muhammed M Rahman, D A Anwar Al Aman, Nurul I Setu, Rebecca Banoo, Mohammad A Rashid
A simple, rapid, economic, accurate, and precise method for the estimation of rifampicin in a mixture of isoniazid and pyrazinamide by UV spectrophotometeric technique (guided by the theoretical investigation of physicochemical properties) was developed and validated. Theoretical investigations revealed that isoniazid and pyrazinamide both were freely soluble in water and slightly soluble in ethyl acetate whereas rifampicin was practically insoluble in water but freely soluble in ethyl acetate. This indicates that ethyl acetate is an effective solvent for the extraction of rifampicin from a water mixture of isoniazid and pyrazinamide...
2017: Frontiers in Chemistry
https://www.readbyqxmd.com/read/28502812/collecting-and-reporting-safety-data-and-monitoring-trial-conduct-in-pragmatic-trials
#18
Elaine Irving, Rutger van den Bor, Paco Welsing, Veronica Walsh, Rafael Alfonso-Cristancho, Catherine Harvey, Nadia Garman, Diederick E Grobbee
Pragmatic trials offer the opportunity to obtain real-life data on the relative effectiveness and safety of a treatment before or after market authorisation. This is the penultimate paper in a series of eight, describing the impact of design choices on the practical implementation of pragmatic trials. This paper focuses on the practical challenges of collecting and reporting safety data and of monitoring trial conduct while maintaining routine clinical care practice. Current ICH guidance recommends that, all serious adverse events (SAEs) and all drug-related events must be reported in an interventional trial...
May 11, 2017: Journal of Clinical Epidemiology
https://www.readbyqxmd.com/read/28501873/comparisons-of-risk-factors-for-intracerebral-hemorrhage-versus-ischemic-stroke-in-chinese-patients
#19
Chung-Fen Tsai, Jiann-Shing Jeng, Niall Anderson, Cathie L M Sudlow
BACKGROUND: Chinese populations have a higher stroke incidence, a higher proportion of intracerebral hemorrhage (ICH), and a lower proportion of ischemic stroke (IS) as compared with white populations. The reasons are not fully understood. METHODS: To evaluate the differences of major risk factors between ICH and IS in Chinese stroke patients, we analysed acute ICH and IS patients consecutively recruited in National Taiwan University Hospital Stroke Registry from 2006 to 2011...
May 13, 2017: Neuroepidemiology
https://www.readbyqxmd.com/read/28498827/the-accuracy-of-the-spot-sign-and-the-blend-sign-for-predicting-hematoma-expansion-in-patients-with-spontaneous-intracerebral-hemorrhage
#20
Jun Zheng, Zhiyuan Yu, Zhao Xu, Mou Li, Xiaoze Wang, Sen Lin, Hao Li, Chao You
BACKGROUND Hematoma expansion is associated with poor outcome in intracerebral hemorrhage (ICH) patients. The spot sign and the blend sign are reliable tools for predicting hematoma expansion in ICH patients. The aim of this study was to compare the accuracy of the two signs in the prediction of hematoma expansion. MATERIAL AND METHODS Patients with spontaneous ICH were screened for the presence of the computed tomography angiography (CTA) spot sign and the non-contrast CT (NCCT) blend sign within 6 hours after onset of symptoms...
May 12, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
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