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https://www.readbyqxmd.com/read/29779270/-protective-effects-of-hydrogen-rich-medium-on-lipopolysaccharides-induced-injury-in-human-periodontal-ligament-cells
#1
Min Zhou, Zuo-Lin Wang
OBJECTIVE: In this study, lipopolysaccharides (LPS) was used to damage human periodontal ligament cells (hPDLCs) and consequently investigate the protective effects of hydrogen on reducing oxidative stress and cell apoptosis rate. METHODS: hPDLCs were isolated, and then cultured with normal medium+1 μg·mL⁻¹ LPS or with hydrogen-rich medium+
1 μg·mL⁻¹ LPS. Cell proliferation activity was assessed using a cell counting kit-8 (CCK-8), and lactic dehydrogenase (LDH) release was also detected...
April 1, 2018: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/29779263/effects-of-porphyromonas-gingivalis-lps-and-lr12-peptide-on-trem-1-expression-by-monocytes
#2
M Dubar, K Carrasco, S Gibot, C Bisson
Periodontal disease involves the activation of host immune response, acting not only as defender of periodontal tissues against bacterial aggression but also as mediator of tissue destruction. Triggering Receptor Expressed on Myeloid cells 1 (TREM-1) is an immune receptor that synergizes with Toll-like receptors in amplifying the inflammatory response mediated by microbial molecules. AIM: To investigate the role of P. gingivalis lipopolysaccharide (LPS) and the effect of LR12, a TREM-1 inhibitory peptide, on the expression of membrane-bound and soluble form of TREM-1 on human primary monocytes, as well as the production of pro-inflammatory cytokines...
May 19, 2018: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/29779208/management-of-postpartum-hemorrhage-with-free-flow-pressure-controlled-uterine-balloon
#3
Gerhard B Theron
The free-flow pressure controlled uterine balloon (Ellavi UBT; Sinapi biomedical, Stellenbosch, South Africa) allows the expulsion of water from the balloon to reduce volume and pressure control by adjusting the height of the supply bag above the patient. The balloon can be filled to a capacity of 750 mL without requiring expansion pressure. The device is affordable for use in lesser resourced countries with a sales price from the factory of approximately US $6. This article is protected by copyright. All rights reserved...
May 20, 2018: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/29779179/clinical-outcomes-of-complete-revascularization-using-either-angiography-guided-or-fractional-flow-reserve-guided-drug-eluting-stent-implantation-in-non-culprit-vessels-in-st-elevation-myocardial-infarction-patients-insights-from-a-study-based-on-a-systematic
#4
REVIEW
Alexandre Hideo-Kajita, Hector M Garcia-Garcia, Kayode O Kuku, Solomon S Beyene, Viana Azizi, Yael F Meirovich, Gebremedhin D Melaku, Aaphtaab Dheendsa, Echo J Brathwaite, Sameer Desale, Mohammad Soud, Kazuhiro Dan, Yuichi Ozaki, Ron Waksman, Michael Lipinski
Current guidelines recommend that percutaneous coronary intervention (PCI) should be restricted to the culprit vessel in ST elevation myocardial infarction (STEMI) patients with multi-vessel disease (MVD) and without cardiogenic shock. However, newer data suggests that performing complete revascularization (CR) in MVD patients may lead to better outcomes compared to intervention in the culprit vessel only. The aim of this meta-analysis is to examine the available data to determine if CR (using either angio- or fractional flow reserve guidance-FFR) following primary PCI in STEMI patients without cardiogenic shock impacts clinical outcomes...
May 19, 2018: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/29779163/discovering-simple-phenylboronic-acid-and-benzoxaborole-derivatives-for-experimental-oncology-phase-cycle-specific-inducers-of-apoptosis-in-a2780-ovarian-cancer-cells
#5
Mateusz Psurski, Agnieszka Łupicka-Słowik, Agnieszka Adamczyk-Woźniak, Joanna Wietrzyk, Andrzej Sporzyński
Objective The aim of the study was to evaluate the antiproliferative potential of simple phenylboronic acid and benzoxaborole derivatives as well as to provide preliminary insight into their mode of action in cancer cells in vitro. Methods The antiproliferative activity was assessed in five diverse cancer cell lines via the SRB method (sulforhodamine B) or MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) method after 72 h of treatment. Further studies of the mechanism of action consisted of the influence of the compounds on cell cycle progression and apoptosis induction, which was assessed by flow cytometry, caspase-3 enzymatic activity, fluorescence microscopy and western blot analysis...
May 19, 2018: Investigational New Drugs
https://www.readbyqxmd.com/read/29779046/sex-differences-in-the-long-term-prognostic-value-of-13-n-ammonia-myocardial-perfusion-positron-emission-tomography
#6
Catherine Gebhard, Michael Fiechter, Bernhard A Herzog, Christine Lohmann, Susan Bengs, Valerie Treyer, Michael Messerli, Dominik C Benz, Andreas A Giannopoulos, Christoph Gräni, Aju P Pazhenkottil, Ronny R Buechel, Philipp A Kaufmann
PURPOSE: Evidence to date on the unique female determinants of cardiovascular risk is inadequate. Positron Emission Tomography (PET) is considered to have the highest accuracy for the assessment of myocardial perfusion in patients with suspected coronary artery disease (CAD), but its long-term prognostic accuracy in women has not been established. METHODS: A total of 619 consecutive patients (138 women, mean age 60.0 ± 11.8 years) underwent clinically indicated 13 N-ammonia PET at our institution and were followed up (median 5...
May 19, 2018: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29779022/intraoperative-incident-dark-field-imaging-of-the-human-peritoneal-microcirculation
#7
Zühre Uz, Arnoud W Kastelein, Dan M J Milstein, Dan Liu, Fadi Rassam, Denise P Veelo, Jan-Paul W R Roovers, Can Ince, Thomas M van Gulik
BACKGROUND/AIMS: This study describes the peritoneal microcirculation, compares quantitative parameters and angioarchitecture to the standard of sublingual microcirculatory assessment, and determines the practical feasibility of this method. METHODS: Incident dark field imaging was performed of the peritoneum and sublingually to determine angioarchitecture, total and perfused vessel density (TVD and PVD), the proportion of perfused vessels (PPV), the microvascular flow index (MFI) and image acquisition time...
May 18, 2018: Journal of Vascular Research
https://www.readbyqxmd.com/read/29778996/stent-and-flow-diverter-assisted-treatment-of-acutely-ruptured-brain-aneurysms
#8
José E Cohen, J Moshe Gomori, Ronen R Leker, Sergey Spektor, Hosni Abu El Hassan, Eyal Itshayek
OBJECTIVE: We present our experience with stent techniques in the management of acutely ruptured aneurysms, focusing on aneurysm occlusion rates, intraprocedural complications, and late outcomes. METHODS: We retrospectively reviewed the clinical records of patients treated by stent techniques during the early acute phase of aneurysmal rupture, from June 2011 to June 2016. Patients who underwent stenting for the management of unruptured aneurysms, or in a delayed fashion for a ruptured lesion, were excluded...
May 19, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29778875/purification-of-recombinant-trichodysplasia-spinulosa-associated-polyomavirus-vp1-derived-virus-like-particles-using-chromatographic-techniques
#9
Mindaugas Zaveckas, Karolis Goda, Danguole Ziogiene, Alma Gedvilaite
Trichodysplasia spinulosa-associated polyomavirus (TSPyV) has been linked to a rare and recently characterized skin disease occurring in immunocompromised patients. In analogy with other polyomaviruses, the major capsid protein VP1 of TSPyV can self-assemble into virus-like particles (VLPs). VLPs are increasingly applied for the vaccination and diagnostics. Mostly, non-scalable and labor intensive ultracentrifugation-based techniques are used for the purification of VLPs. In this work, we developed a purification procedure for TSPyV VP1 VLPs based on two chromatographic steps, ion-exchange monolith and core bead chromatography...
May 9, 2018: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29778874/simultaneous-determination-of-dihydrotestosterone-and-its-metabolites-in-mouse-sera-by-lc-ms-ms-with-chemical-derivatization
#10
Shashank Gorityala, Shuming Yang, Monica M Montano, Yan Xu
Androgens play a vital role in prostate cancer development, and their elimination and blockade are essential in the disease management. DHT is the key ligand for androgen receptor (AR) in the prostate. It is locally synthesized from testosterone. In the prostate, DHT is predominantly metabolized to α-diol and β-diol. Recent studies indicate that impaired DHT catabolism is associated with prostate cancer, signifying the necessity of a sensitive quantitative method for the determination of DHT and its metabolites...
May 16, 2018: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29778871/linking-fish-tolerance-to-water-quality-criteria-for-the-assessment-of-environmental-flows-a-practical-method-for-streamflow-regulation-and-pollution-control
#11
Changsen Zhao, Shengtian Yang, Junguo Liu, Changming Liu, Fanghua Hao, Zhonggen Wang, Huitong Zhang, Jinxi Song, Simon M Mitrovic, Richard P Lim
The survival of aquatic biota in stream ecosystems depends on both water quantity and quality, and is particularly susceptible to degraded water quality in regulated rivers. Maintenance of environmental flows (e-flows) for aquatic biota with optimum water quantity and quality is essential for sustainable ecosystem services, especially in developing regions with insufficient stream monitoring of hydrology, water quality and aquatic biota. Few e-flow methods are available that closely link aquatic biota tolerances to pollutant concentrations in a simple and practical manner...
May 15, 2018: Water Research
https://www.readbyqxmd.com/read/29778849/influence-of-aortic-dilation-on-the-regional-aortic-stiffness-of-bicuspid-aortic-valve-assessed-by-4-dimensional-flow-cardiac-magnetic-resonance-comparison-with-marfan-syndrome-and-degenerative-aortic-aneurysm
#12
Andrea Guala, Jose Rodriguez-Palomares, Lydia Dux-Santoy, Gisela Teixido-Tura, Giuliana Maldonado, Laura Galian, Marina Huguet, Filipa Valente, Laura Gutiérrez, Teresa González-Alujas, Kevin M Johnson, Oliver Wieben, Augusto Sao Avilés, David Garcia-Dorado, Arturo Evangelista
OBJECTIVES: This study sought to ascertain whether patients with a bicuspid aortic valve (BAV) have an intrinsic alteration in regional aortic stiffness compared with patients with tricuspid aortic valve (TAV) and Marfan syndrome (MFS) patients with similar aortic sizes, as well as to assess the influence of ascending aorta (AAo) dilation on regional stiffness parameters in BAV patients. BACKGROUND: Imaging biomarkers as predictors of BAV, MFS, and degenerative AAo aneurysms in TAV patients (DA-TAV) are lacking...
May 11, 2018: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29778842/curcumin-attenuates-sepsis-induced-acute-organ-dysfunction-by-preventing-inflammation-and-enhancing-the-suppressive-function-of-tregs
#13
Longwang Chen, Yang Lu, Linjun Zhao, Lili Hu, Qiaomeng Qiu, Zhuoling Zhang, Mengfang Li, Guangliang Hong, Bing Wu, Guangju Zhao, Zhongqiu Lu
Sepsis is characterized by the extensive release of cytokines and other mediators. It results in a dysregulated immune response and can lead to organ damage and death. Curcumin has anti-inflammatory properties and immunoregulation functions in various disorders such as sepsis, cancer, rheumatoid arthritis, cardiovascular diseases, lung fibrosis, gallstone formation, and diabetes. This paper investigates the effects of curcumin on immune status and inflammatory response in mice subjected to cecal ligation and puncture (CLP)...
May 17, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29778746/betulinic-acid-a-natural-pde-inhibitor-restores-hippocampal-camp-cgmp-and-bdnf-improve-cerebral-blood-flow-and-recover-memory-deficits-in-permanent-bccao-induced-vascular-dementia-in-rats
#14
Madhu Kaundal, Saima Zameer, Abul Kalam Najmi, Suhel Parvez, Mohd Akhtar
Vascular dementia (VaD) is the second most common form of senile dementia, embraces memory deficits, neuroinflammation, executive function damage, mood and behavioral changes and abnormal cerebral blood flow. The purpose of the study was to explore the therapeutic potential of betulinic acid in bilateral common carotid artery occlusion (BCCAO) induced VaDin experimental rats.VaD was induced by BCCAO in rats and betulinic acid (10 and 15mg/kg/day po) was administered 1 week after surgery. The cerebral blood pressure of the animal was recorded before and after the treatment using Laser Doppler flow meter...
May 17, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29778717/first-time-mothers-expectations-of-the-unknown-territory-of-childbirth-uncertainties-coping-strategies-and-going-with-the-flow
#15
Sara E Borrelli, Denis Walsh, Helen Spiby
OBJECTIVE: To explore first-time mothers' expectations of labour and birth, coping strategies they adopt during pregnancy towards childbirth and coping strategies they expect to use during labour and birth. DESIGN: A qualitative Straussian grounded theory methodology was adopted, with data collected through semi-structured interviews in the third trimester of pregnancy. Ethical approval was gained. Data analysis included the processes of coding and conceptualising data, with constant comparison between data, literature and memos...
May 7, 2018: Midwifery
https://www.readbyqxmd.com/read/29778683/biochar-enhances-plant-growth-and-nutrient-removal-in-horizontal-subsurface-flow-constructed-wetlands
#16
Kuno Kasak, Jaak Truu, Ivika Ostonen, Jürgen Sarjas, Kristjan Oopkaup, Päärn Paiste, Margit Kõiv-Vainik, Ülo Mander, Marika Truu
Biochar has shown great potential as an amendment to improve soil quality and promote plant growth, as well as to adsorb pollutants from water. However, information about the effect of biochar on the wastewater treatment efficiency in horizontal subsurface flow (HSSF) constructed wetlands (CWs) is still scarce. In this study, we assessed the effect of biochar amendment on the purification efficiency of pretreated municipal wastewater in planted (Typha latifolia) experimental horizontal subsurface flow filters filled with lightweight expanded clay aggregates (LECA)...
May 17, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29778682/temperature-and-hydrologic-alteration-predict-the-spread-of-invasive-largemouth-bass-micropterus-salmoides
#17
Mi-Jung Bae, Christina A Murphy, Emili García-Berthou
The successful establishment of an aquatic invasive alien species can be mediated by a suite of environmental factors, including climate and anthropogenic disturbance. Dams and reservoirs are thought to promote freshwater fish invasion success through hydrological alterations but the evidence for their role in the global invasion of Largemouth Bass (Micropterus salmoides) on a landscape scale is limited. Here, we examine the distribution of Largemouth Bass, one of the most widely introduced fish in the world, from the Iberian Peninsula using species distribution models (SDMs), including an ensemble forecast...
May 17, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29778624/conditioning-of-human-salivary-flow-using-a-visual-cue-for-sour-candy
#18
Jonathan C Kershaw, Cordelia A Running
OBJECTIVE: Although the "mouthwatering" to sight, smell, or thought of food is commonly accepted in food and nutrition research, the concept of mouthwatering and human salivary flow conditioning is not well accepted in salivary research. The objective of this study was to revisit whether human salivary flow could be classically conditioned to a previously neutral stimulus. DESIGN: Sour candy or a non-food control in opaque containers were presented to healthy participants (n = 8)...
May 14, 2018: Archives of Oral Biology
https://www.readbyqxmd.com/read/29778505/novel-peptide-nanoparticle-biased-antagonist-of-ccr3-blocks-eosinophil-recruitment-and-airway-hyperresponsiveness
#19
Milica Grozdanovic, Kimberly G Laffey, Hazem Abdelkarim, Ben Hitchinson, Anantha Harijith, Hyung-Geon Moon, Gye Young Park, Lee K Rousslang, Joanne C Masterson, Glenn T Furuta, Nadya I Tarasova, Vadim Gaponenko, Steven J Ackerman
BACKGROUND: Chemokine signaling through CCR3 is a key regulatory pathway for eosinophil recruitment into tissues associated with allergic inflammation and asthma. To date, none of the CCR3 antagonists have shown efficacy in clinical trials. One reason may be their unbiased mode of inhibition that prevents receptor internalization, leading to drug tolerance. OBJECTIVE: We sought to develop a novel peptide nanoparticle CCR3 inhibitor (R321) with a biased mode of inhibition that would block G-protein signaling, but enable or promote receptor internalization...
May 17, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29778504/solitary-chemosensory-cells-are-a-primary-epithelial-source-of-interleukin-25-in-chronic-rhinosinusitis-with-nasal-polyps
#20
Michael A Kohanski, Alan D Workman, Neil N Patel, Li-Yin Hung, Julie P Shtraks, Bei Chen, Mariel Blasetti, Laurel Doghramji, David W Kennedy, Nithin D Adappa, James N Palmer, De'Broski R Herbert, Noam A Cohen
BACKGROUND: IL-25 can function as an early signal for the respiratory Type 2 response characteristic of allergic asthma and chronic rhinosinusitis with nasal polyps (CRSwNP). In the mouse gut, tuft cells are the epithelial source of IL-25. However, the source of human airway epithelial IL-25 has remained elusive. OBJECTIVE: In this study, we sought to determine if the solitary chemosensory cell (SCC) is the predominant source of IL-25 in the sinonasal epithelium...
May 17, 2018: Journal of Allergy and Clinical Immunology
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