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https://www.readbyqxmd.com/read/29155363/homocysteine-inhibits-endothelial-progenitor-cell-proliferation-via-dnmt1-mediated-hypomethylation-of-cyclin-a
#1
Hui-Ping Zhang, Yan-Hua Wang, Sheng-Chao Ma, Hui Zhang, An-Ning Yang, Xiao-Ling Yang, Ming-Hao Zhang, Jian-Min Sun, Yin-Ju Hao, Yi-Deng Jiang
Endothelial progenitor cells (EPCs) contribute to neovasculogenesis and reendothelialization of damaged blood vessels to maintain the endothelium. Dysfunction of EPCs is implicated in the pathogenesis of vascular injury induced by homocysteine (Hcy). We aimed to investigate the role of Cyclin A in Hcy-induced EPCs dysfunction and explore its molecular mechanism. In this study, by treatment of EPCs with Hcy, we found that the expression of Cyclin A mRNA and protein were significantly downregulated in a dose-dependent manner...
November 16, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/29155355/molecular-ellipticity-of-circulating-albumin-bilirubin-complex-associates-with-mortality-in-patients-with-severe-alcoholic-hepatitis
#2
Sukanta Das, Jaswinder Singh Maras, Rakhi Maiwall, S M Shasthry, Md Shabir Hussain, Shvetank Sharma, S Sukriti, T P Singh, Shiv Kumar Sarin
BACKGROUND & AIMS: Hyperbilirubinemia and hypoalbuminemia are features of hepatic dysfunction that associate with disease severity. This is because hepatic insufficiency causes hypoalbuminemia, which indirectly increases the circulating levels of free bilirubin. Circular dichroism (CD) spectroscopy can be used to quantify the molecular ellipticity (ME) of the albumin-bilirubin complex, and might associate with the severity or outcome of severe alcoholic hepatitis (SAH). METHODS: We performed a cross-sectional study of 265 patients with SAH admitted in the Department of Hepatology, Institute of Liver and Biliary Sciences in New Delhi, India from January 2014 through January 2016...
November 16, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29154725/non-aneurysmal-subarachnoid-hemorrhage-when-is-a-second-angiography-indicated
#3
Asma Bashir, Ronni Mikkelsen, Leif Sørensen, Niels Sunde
Purpose Repeat imaging in patients with non-aneurysmal subarachnoid hemorrhage (NASAH) remains controversial. We aim to report our experience with NASAH with different hemorrhage patterns, and to investigate the need for further diagnostic workup to determine the underlying cause of hemorrhage. Method We conducted a retrospective analysis of all spontaneous SAH with an initial negative computed tomography (CT) with angiography (CTA) and/or digital subtraction angiography (DSA) from October 2011 through May 2017...
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/29154082/are-preoperative-sestamibi-scans-useful-for-identifying-ectopic-parathyroid-glands-in-patients-with-expected-multigland-parathyroid-disease
#4
Farah Karipineni, Zeyad Sahli, Helina Somervell, Aarti Mathur, Jason D Prescott, Ralph P Tufano, Martha A Zeiger
BACKGROUND: The role of preoperative localization studies in patients with hyperparathyroidism and expected multigland disease remains poorly defined. Our study investigates the usefulness of obtaining preoperative sestamibi scans and ultrasonography of the neck in identifying ectopic glands in this group of patients. METHODS: Under Institutional Review Board approval, we performed a retrospective review of patients who underwent operation for secondary hyperparathyroidism, tertiary hyperparathyroidism, lithium-induced hyperparathyroidism, and multiple endocrine neoplasia syndrome at a tertiary institution between 2004 and 2015...
November 16, 2017: Surgery
https://www.readbyqxmd.com/read/29153848/-maternal-death-by-stroke-results-from-the-french-enquiry-into-maternal-deaths-2010-2012
#5
H Cohen, M Rossignol
Stroke is a rare event during pregnancy (10/100,000) and can be ischemic (24%), hemorrhagic (74%) or both (2%). Pregnancy probably increases the risk even if it is discussed for arteriovenous malformation (AVM), aneurismal subarachnoid hemorrhage (SAH) and cavernomas. Between 2010 and 2012, 31 maternal deaths were associated with stroke. In 22 cases, stroke was the direct cause of death giving a maternal mortality ratio of 0,9/100,000 witch is not different from the former report (2007-2009). There were 2 cerebral thrombophlebitis, 2 ischemic strokes and 18 hemorrhagic strokes (4 SAH, 2 AVM)...
November 15, 2017: Gynecologie, Obstetrique, Fertilite & Senologie
https://www.readbyqxmd.com/read/29153557/cardiovascular-risk-and-obesity-in-sleep-apnea-syndrome-assessed-with-the-stop-bang-questionnaire
#6
María Teófila Vicente-Herrero, Luisa Capdevila García, María Del Carmen Bellido Cambrón, María Victoria Ramírez Iñiguez de la Torre, Silvia Lladosa Marco
INTRODUCTION: Sleep disorders include a number of different processes, of which the most prevalent is the sleep apnea-hypopnea syndrome (SAHS). Prevalence of SAHS has increased worldwide, and has a significant social and health impact because of the increased cardiometabolic risk attributed to obesity and the associated metabolic syndrome. MATERIAL AND METHODS: A cross-sectional epidemiological study of 1110 workers from public service companies in the Spanish Mediterranean area (Balearic Islands and Valencian Community) was conducted between January and December 2015...
November 15, 2017: Endocrinología, diabetes y nutrición
https://www.readbyqxmd.com/read/29152941/the-histopathological-and-stereological-assessment-of-the-effect-of-topically-administered-leptin-on-cerebral-vasospasm-in-an-experimental-subarachnoid-hemorrhage-model
#7
Cem Demirel, Cengiz Çokluk, Abdurrahman Aksoy, Kerameddin Aydın, Mehmet Emin Önger, Enis Kuruoğlu, Abdullah Hilmi Marangoz, Ömür Gülsüm Deniz, Süleyman Kaplan
Background/aim: Cerebral vasospasm is a term that refers to prolonged, slowly progressing but reversible pathological narrowing of cerebral arteries occurring several days after subarachnoid hemorrhage (SAH), usually accompanied by a decrease in perfusion distal to the affected artery. Leptin is an endogenous polypeptide hormone that can be carried freely and bound to protein in the blood. Materials and methods: We investigated the superiority of topical application of leptin that may make a contribution to the development of new treatment modalities for unconscious patients in brain injury intensive care units and its preventive effect, which is considered to have multifactorial pathogenesis on cerebral vasospasm occurring after SAH via stereological studies of the basilar artery...
November 13, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/29150630/inhibition-of-myeloid-differentiation-primary-response-protein-88-provides-neuroprotection-in-early-brain-injury-following-experimental-subarachnoid-hemorrhage
#8
Huiying Yan, Dingding Zhang, Yongxiang Wei, Hongbin Ni, Weibang Liang, Huasheng Zhang, Shuangying Hao, Wei Jin, Kuanyu Li, Chun-Hua Hang
Accumulating of evidence suggests that activation of nuclear factor-kappa B (NF-κB) and mitogen-activated protein kinases (MAPKs) exacerbates early brain injury (EBI) following subarachnoid hemorrhage (SAH) by provoking pro-inflammatory and pro-apoptotic signaling. Myeloid differentiation primary response protein 88 (MyD88) is an endogenous adaptor protein in the toll-like receptors (TLRs) and interleukin (IL) -1β family signaling pathways and acts as a bottle neck in the NF-κB and MAPK pathways. Here, we used ST2825, a selective inhibitor of MyD88, to clarify whether inhibiting MyD88 could provide neuroprotection in EBI following SAH...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29150077/unique-arginine-array-improves-cytosolic-localization-of-hydrocarbon-stapled-peptides
#9
Kim Quach, Jonathan LaRochelle, Xiao-Han Li, Elizabeth Rhoades, Alanna Schepartz
We have previously reported that miniature proteins containing a distinct array of 5 arginine residues on a folded α-helix - a penta-arg motif - traffic with high efficiency from endosomes into the cytosol and nucleus of mammalian cells. Here we evaluate whether a penta-arg motif can improve the intracellular trafficking of an otherwise impermeant hydrocarbon-stapled peptide, SAH-p53-4(Rho). We prepared a panel of SAH-p53-4(Rho) variants containing penta-arg sequences with different spacings and axial arrangement and evaluated their overall uptake (as judged by flow cytometry) and their intracellular access (as determined by fluorescence correlation spectroscopy, FCS)...
November 7, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/29148905/serum-glucose-potassium-ratio-as-a-clinical-risk-factor-for-aneurysmal-subarachnoid-hemorrhage
#10
Yu Fujiki, Fumihiro Matano, Takayuki Mizunari, Yasuo Murai, Kojiro Tateyama, Kenta Koketsu, Asami Kubota, Shiro Kobayashi, Hiroyuki Yokota, Akio Morita
OBJECTIVE Aneurysmal subarachnoid hemorrhage (SAH) can result in poor outcomes, and biomarkers for predicting poor prognosis have not yet been established. The aim of this study was to clarify the significance of the serum glucose/potassium ratio for predicting the prognosis of aneurysmal SAH. METHODS The authors retrospectively reviewed the records of 565 patients with aneurysmal SAH between 2006 and 2016. The patient group comprised 208 men and 357 women (mean age 61.5 years, range 10-95 years). A statistical analysis was conducted of the clinical and laboratory risk factors of poor outcome, including the serum glucose/potassium ratio...
November 17, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29147979/disappearing-lump-an-unusual-presentation-of-large-metastatic-small-bowel-malignant-melanoma
#11
Narendra Pandit, Sarada Khadka, Rupesh Sah, Lalijan Awale, Sushil Dhakal, Lokesh Shekher Jaiswal, Shailesh Adhikary
No abstract text is available yet for this article.
November 17, 2017: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/29142745/determinants-of-prenatal-anemia-in-ethiopia
#12
Abera Abay, Haile Woldie Yalew, Amare Tariku, Ejigu Gebeye
Background: Anemia is responsible for 20% of maternal mortality worldwide, and it is associated with premature birth, low birth weight, and infant mortality. In Ethiopia, about 22% of pregnant women are anemic. However, literatures are limited, therefore, this study aimed to investigate the prevalence and associated factors of anemia among pregnant women attending antenatal care (ANC) in Asossa Zone Public Health Institutions, northwest Ethiopia. Methods: A facility based cross-sectional study was conducted from February to March 2016...
2017: Archives of Public Health, Archives Belges de Santé Publique
https://www.readbyqxmd.com/read/29137064/clinical-features-and-prognostic-factors-in-patients-with-intraventricular-hemorrhage-caused-by-ruptured-arteriovenous-malformations
#13
Zengpanpan Ye, Xiaolin Ai, Xin Hu, Fang Fang, Chao You
Intraventricular hemorrhage (IVH) was associated with poor outcomes in patients with intracerebral hemorrhage. IVH had a high incidence in patients with ruptured arteriovenous malformations (AVMs). In this study, we aimed to discuss the clinical features and prognostic factors of outcomes in the patients with AVM-related IVH.From January 2010 to January 2016, we collected the data of the patients with AVM-related IVH retrospectively. The data, including clinical and radiological parameters, were collected to evaluate the clinical features...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29135346/cerebral-artery-myogenic-reactivity-the-next-frontier-in-developing-effective-interventions-for-subarachnoid-hemorrhage
#14
Darcy Lidington, Jeffrey T Kroetsch, Steffen-Sebastian Bolz
Aneurysmal subarachnoid hemorrhage (SAH) is a devastating cerebral event that kills or debilitates the majority of those afflicted. The blood that spills into the subarachnoid space stimulates profound cerebral artery vasoconstriction and consequently, cerebral ischemia. Thus, once the initial bleeding in SAH is appropriately managed, the clinical focus shifts to maintaining/improving cerebral perfusion. However, current therapeutic interventions largely fail to improve clinical outcome, because they do not effectively restore normal cerebral artery function...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/29133539/validation-of-the-ottawa-subarachnoid-hemorrhage-rule-in-patients-with-acute-headache
#15
Jeffrey J Perry, Marco L A Sivilotti, Jane Sutherland, Corinne M Hohl, Marcel Émond, Lisa A Calder, Christian Vaillancourt, Venkatesh Thirganasambandamoorthy, Howard Lesiuk, George A Wells, Ian G Stiell
BACKGROUND: We previously derived the Ottawa Subarachnoid Hemorrhage Rule to identify subarachnoid hemorrhage (SAH) in patients with acute headache. Our objective was to validate the rule in a new cohort of consecutive patients who visited an emergency department. METHODS: We conducted a multicentre prospective cohort study at 6 university-affiliated tertiary-care hospital emergency departments in Canada from January 2010 to January 2014. We included alert, neurologically intact adult patients with a headache peaking within 1 hour of onset...
November 13, 2017: CMAJ: Canadian Medical Association Journal, Journal de L'Association Medicale Canadienne
https://www.readbyqxmd.com/read/29133197/inhibition-of-leukotriene-b4-synthesis-protects-against-early-brain-injury-possibly-via-reducing-the-neutrophil-generated-inflammatory-response-and-oxidative-stress-after-subarachnoid-hemorrhage-in-rats
#16
Zhen-Nan Ye, Ling-Yun Wu, Jing-Peng Liu, Qiang Chen, Xiang-Sheng Zhang, Yue Lu, Meng-Liang Zhou, Wei Li, Zi-Huan Zhang, Da-Yong Xia, Zong Zhuang, Chun-Hua Hang
Leukotriene B4 (LTB4) is a highly potent neutrophil chemoattractant and neutrophils induces inflammatory response and oxidative stress when they recruit to and infiltrate in the injuried/inflamed site, such as the brain parenchyma after aneurysmal subarachnoid hemorrhage (SAH). This study is to investigate the potential effects of inhibition of LTB4 synthesis on neutrophil recruitment, inflammatory response and oxidative stress, as well as early brain injury (EBI) in rats after SAH. A pre-chiasmatic cistern SAH model of rats was used in this experiment...
November 11, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/29131823/prevalence-of-extracranial-carotid-artery-aneurysms-in-patients-with-an-intracranial-aneurysm
#17
V E C Pourier, C J H C M van Laarhoven, M D I Vergouwen, G J E Rinkel, Gert J de Borst
BACKGROUND AND PURPOSE: Aneurysms in various arterial beds have common risk- and genetic factors. Data on the correlation of extracranial carotid artery aneurysms (ECAA) with aneurysms in other vascular territories are lacking. We aimed to investigate the prevalence of ECAA in patients with an intracranial aneurysm (IA). METHODS: We used prospectively collected databases of consecutive patients registered at the University Medical Center Utrecht with an unruptured intracranial aneurysm (UIA) or aneurysmal Subarachnoid hemorrhage (SAH)...
2017: PloS One
https://www.readbyqxmd.com/read/29129471/higher-intake-of-fish-and-fat-is-associated-with-lower-plasma-s-adenosylhomocysteine-a-cross-sectional-study
#18
Mads V Lind, Lotte Lauritzen, Oluf Pedersen, Henrik Vestergaard, Ken D Stark, Torben Hansen, Alastair B Ross, Mette Kristensen
Several B-vitamins act as co-factors in one-carbon metabolism, a pathway that plays a central role in several chronic diseases. However, there is a lack of knowledge of how diet affects markers in one-carbon metabolism. The aim of this study was to explore dietary patterns and components associated with one-carbon metabolites. We hypothesized that intake of whole-grains and fish would be associated with lower Hcy, and higher SAM:SAH ratio due to their nutrient content. We assessed dietary information using a four-day dietary record in 118 men and women with features of the metabolic syndrome...
October 2, 2017: Nutrition Research
https://www.readbyqxmd.com/read/29127573/eosinophilic-granulomatosis-with-polyangiitis-complicated-by-subarachnoid-hemorrhage-and-coronary-vasculitis-a-case-report-and-review-of-the-literature
#19
REVIEW
Shogo Matsuda, Shuzo Yoshida, Youhei Fujiki, Hidetoshi Satomi, Tohru Takeuchi, Yoshinobu Hirose, Shigeki Makino, Shigeki Arawaka
Eosinophilic granulomatosis with polyangiitis (EGPA) is characterized by necrotizing vasculitis of small-sized vessels with extravascular granulomas and eosinophilic infiltration. The case of a 48-year-old Japanese woman with EGPA, who presented concurrently with subarachnoid hemorrhage (SAH) and coronary vasculitis, is reported. She initially presented with bronchial asthma, and then 8 months later she developed various symptoms caused by systemic eosinophilic vasculitis and was admitted to our hospital. Three days after admission, she started oral corticosteroid therapy, and her 2009 Five-Factor Score (FFS) was 0...
November 10, 2017: Rheumatology International
https://www.readbyqxmd.com/read/29127188/epigenetically-mediated-inhibition-of-s-adenosylhomocysteine-hydrolase-and-the-associated-dysregulation-of-1-carbon-metabolism-in-nonalcoholic-steatohepatitis-and-hepatocellular-carcinoma
#20
Igor P Pogribny, Kostiantyn Dreval, Iryna Kindrat, Stepan Melnyk, Leandro Jimenez, Aline de Conti, Volodymyr Tryndyak, Marta Pogribna, Juliana Festa Ortega, S Jill James, Ivan Rusyn, Frederick A Beland
The substantial rise in the prevalence of nonalcoholic steatohepatitis (NASH), an advanced form of nonalcoholic fatty liver disease, and the strong association between NASH and the development of hepatocellular carcinoma indicate the urgent need for a better understanding of the underlying mechanisms. In the present study, by using the Stelic animal model of NASH and NASH-derived liver carcinogenesis, we investigated the role of the folate-dependent 1-carbon metabolism in the pathogenesis of NASH. We demonstrated that advanced NASH and NASH-related liver carcinogenesis are characterized by a significant dysregulation of 1-carbon homeostasis, with diminished expression of key 1-carbon metabolism genes, especially a marked inhibition of the S-adenosylhomocysteine hydrolase (Ahcy) gene and an increased level of S-adenosyl-l-homocysteine (SAH)...
November 10, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
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