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https://www.readbyqxmd.com/read/29772377/impact-of-steroid-hormones-e2-and-p-on-the-nlrp3-asc-casp1-axis-in-primary-mouse-astroglia-and-bv-2-cells-after-in-vitro-hypoxia
#1
Alexander Slowik, Leoni Lammerding, Adib Zendedel, Pardes Habib, Cordian Beyer
Clinical and animal model studies have demonstrated the neuroprotective and anti-inflammatory effects of 17beta-estradiol (E2) and progesterone (P) in different disease models of the central nervous system (CNS) including ischemic stroke. Inflammasomes are involved in the interleukin-1 beta (IL1beta) maturation, in particular, NLRP3, the adaptor protein apoptosis-associated speck-like protein containing a CARD (ASC) and the active caspase-1 (Casp1) form. Recently, we showed that administration of E2 or P selectively regulated these components after experimental ischemic stroke in rats...
May 14, 2018: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/29744088/sevoflurane-improves-respiratory-mechanics-and-gas-exchange-in-a-case-series-of-infants-with-severe-bronchiolitis-induced-acute-respiratory-distress-syndrome
#2
Mirco Nacoti, Jacopo Colombo, Oliviero Fochi, Daniele Bonacina, Francesco Fazzi, Giacomo Bellani, Ezio Bonanomi
This report describes the successful use of a new intervention to improve respiratory mechanics and gas exchange in a relatively homogeneous group of infants with severe bronchiolitis-induced PARDS after failure of conventional treatment. These results may open a new interesting area of research and management for PARDS patients.
May 2018: Clinical Case Reports
https://www.readbyqxmd.com/read/29737017/pediatric-acute-respiratory-distress-syndrome-associated-with-human-metapneumovirus-and-respiratory-syncytial-virus
#3
Thyyar M Ravindranath, Amanda Gomez, Ilana Harwayne-Gidansky, Thomas J Connors, Nathan Neill, Bruce Levin, Joy D Howell, Lisa Saiman, John S Baird
OBJECTIVES: To study the incidence, risk factors, clinical course, and outcome of ARDS in children with HMP and RSV. WORKING HYPOTHESIS: We hypothesized that ARDS in children with HMP was similar in incidence, risk factors, clinical course, and outcomes to ARDS in children with RSV. STUDY DESIGN: Retrospective, observational study over 2 years. PATIENT-SUBJECT SELECTION: Patients included were <18 years old with HMP or RSV detected from nasopharyngeal specimens by commercial reverse transcriptase polymerase chain reaction assay admitted to a study site...
May 7, 2018: Pediatric Pulmonology
https://www.readbyqxmd.com/read/29556517/structural-data-of-thermostable-3d-ln-mofs-that-based-on-flexible-ligand-of-1-3-adamantanediacetic-acid
#4
Cheng-Hui Zeng, Hao-Ran Li, Zi-Qi Liu, Fei Chen, Shengliang Zhong
In this data article, we present the structural and PARD data of the Ln-MOFs. Detailed structure, luminescence and sensing properties were discussed in our previous study (Zeng et al., in press) [1] The data includes the SBU structure patterns of these Ln-MOFs, thermostability of Ln-MOFs in water and also detailed structure information listed in Table 1, Table 2, Table 3, Table 4, Table 5, Table 6, Table 7, Table 8.
April 2018: Data in Brief
https://www.readbyqxmd.com/read/29448043/estrogen-serum-concentration-affects-blood-immune-cell-composition-and-polarization-in-human-females-under-controlled-ovarian-stimulation
#5
Pardes Habib, Daniela Dreymueller, Benjamin Rösing, Hannes Botung, Alexander Slowik, Adib Zendedel, Shahin Habib, Stefanie Hoffmann, Cordian Beyer
Estrogens modulate the immune system and possess anti-inflammatory properties. In line, immune cells express a variety of estrogen receptors (ER) including ER-alpha and -beta. In the present study, we examined the influence of 17beta-estradiol (E2) serum concentrations on blood leukocyte composition and their ex vivo polarization/activation status by FACS analysis in sub-fertile human females under controlled ovarian stimulation (COS). Using a set of cell-type and polarization-specific markers, we demonstrate that increased 17ß-estradiol (E2) serum concentrations yield an overall increase in leukocytes, neutrophils and monocytes but decreased lymphocytes...
April 2018: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/29434398/a-highly-promiscuous-integron-plasmids-extended-spectrum-beta-lactamases-and-efflux-pumps-as-factors-governing-multidrug-resistance-in-a-highly-drug-resistant-vibrio-fluvialis-isolate-bd146-from-kolkata-india
#6
Neha Rajpara, Mrinalini Nair, Ashima Kushwaha Bhardwaj
In an earlier study from this laboratory, Vibrio fluvialis BD146, a clinical isolate from Kolkata, India, 2002, was found to be resistant to all the fourteen antibiotics tested. It harboured a high copy number plasmid pBD146 and a low copy number plasmid. In the present study, a more detailed analysis was carried out to unravel different resistance mechanisms in this isolate. Sequencing showed that variable region of class 1 integron located on low copy number plasmid harbored arr 3- cml A- bla OXA10 - aad A1 gene cassettes...
March 2018: Indian Journal of Microbiology
https://www.readbyqxmd.com/read/29373802/peep-lower-than-the-ards-network-protocol-is-associated-with-higher-pediatric-ards-mortality
#7
Robinder G Khemani, Kaushik Parvathaneni, Nadir Yehya, Anoopindar K Bhalla, Neal J Thomas, Christopher J L Newth
RATIONALE: The ARDS Network used a Positive End-Expiratory Pressure (PEEP)/FiO2 model in many studies. In general, pediatric intensivists use less PEEP and higher FiO2 than this model. OBJECTIVES: To evaluate whether children managed with PEEP lower than recommended by the ARDSNet PEEP/FiO2 model had higher mortality. METHODS: Multi-center, retrospective analysis of patients with Pediatric ARDS (PARDS), managed without a formal PEEP/FiO2 protocol...
January 26, 2018: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29315561/faim2-contributes-to-neuroprotection-by-erythropoietin-in-transient-brain-ischemia
#8
Daniel Komnig, Karen Gertz, Pardes Habib, Kay W Nolte, Tareq Meyer, Marc A Brockmann, Matthias Endres, Birgit Rathkolb, Martin Hrabě de Angelis, Jörg B Schulz, Björn H Falkenburger, Arno Reich
Delayed cell death in the penumbra region of acute ischemic stroke occurs through apoptotic mechanisms, making it amenable to therapeutic interventions. Fas/CD95 mediates apoptotic cell death in response to external stimuli. In mature neurons, Fas/CD95 signaling is modulated by Fas-apoptotic inhibitory molecule 2 (Faim2), which reduces cell death in animal models of stroke, meningitis, and Parkinson disease. Erythropoietin (EPO) has been studied as a therapeutic strategy in ischemic stroke. Erythropoietin stimulates the phosphatidylinositol-3 kinase/Akt (PI3K/Akt) pathway, which regulates Faim2 expression...
January 8, 2018: Journal of Neurochemistry
https://www.readbyqxmd.com/read/29276865/high-frequency-oscillatory-ventilation-versus-conventional-mechanical-ventilation-in-pediatric-acute-respiratory-distress-syndrome-a-randomized-controlled-study
#9
Ahmed El-Nawawy, Azza Moustafa, Hassan Heshmat, Ahmed Abouahmed
El-Nawawy A, Moustafa A, Heshmat H, Abouahmed A. High frequency oscillatory ventilation versus conventional mechanical ventilation in pediatric acute respiratory distress syndrome: A randomized controlled study. Turk J Pediatr 2017; 59: 130-143. The aim of this prospective randomized study is to compare the outcomes of the early use of either high frequency oscillation (HFO) or conventional mechanical ventilation (CMV) in patients with pediatric acute respiratory distress syndrome (PARDS). We allocated two hundred PARDS patients over 5 years in 1:1 ratio to either mode...
2017: Turkish Journal of Pediatrics
https://www.readbyqxmd.com/read/29060169/development-and-validation-of-a-computational-simulator-for-pediatric-acute-respiratory-distress-syndrome-patients
#10
Sina Saffaran, Anup Das, Jonathan G Hardman, Nadir Yehya, Declan G Bates
This paper presents the adaptation of an advanced cardiorespiratory model of acute respiratory distress syndrome in adult patients to pediatric pathophysiology. We describe how model equations and parameters were revised to represent the physiological characteristics of pediatric Acute Respiratory Distress Syndrome (ARDS) patients. The adapted model was matched to data from twelve mechanically ventilated patients diagnosed with Pediatric Acute Respiratory Distress Syndrome (PARDS), and was shown to reproduce the available clinical data accurately for all patients...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29035881/activation-of-signaling-cascades-by-weak-extremely-low-frequency-electromagnetic-fields
#11
Einat Kapri-Pardes, Tamar Hanoch, Galia Maik-Rachline, Manuel Murbach, Patricia L Bounds, Niels Kuster, Rony Seger
BACKGROUND/AIMS: Results from recent studies suggest that extremely low frequency magnetic fields (ELF-MF) interfere with intracellular signaling pathways related to proliferative control. The mitogen-activated protein kinases (MAPKs), central signaling components that regulate essentially all stimulated cellular processes, include the extracellular signal-regulated kinases 1/2 (ERK1/2) that are extremely sensitive to extracellular cues. Anti-phospho-ERK antibodies serve as a readout for ERK1/2 activation and are able to detect minute changes in ERK stimulation...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28941533/pathophysiology-and-management-of-acute-respiratory-distress-syndrome-in-children
#12
REVIEW
Sabrina M Heidemann, Alison Nair, Yonca Bulut, Anil Sapru
Acute respiratory distress syndrome (ARDS) is a syndrome of noncardiogenic pulmonary edema and hypoxia that accompanies up to 30% of deaths in pediatric intensive care units. Pediatric ARDS (PARDS) is diagnosed by the presence of hypoxia, defined by oxygenation index or Pao2 /Fio2 ratio cutoffs, and new chest infiltrate occurring within 7 days of a known insult. Hallmarks of ARDS include hypoxemia and decreased lung compliance, increased work of breathing, and impaired gas exchange. Mortality is often accompanied by multiple organ failure...
October 2017: Pediatric Clinics of North America
https://www.readbyqxmd.com/read/28837456/temporal-healing-of-achilles-tendons-after-injury-in-rodents-depends-on-surgical-treatment-and-activity
#13
Benjamin R Freedman, Nabeel S Salka, Tyler R Morris, Pankti R Bhatt, Adam M Pardes, Joshua A Gordon, Courtney A Nuss, Corinne N Riggin, George W Fryhofer, Daniel C Farber, Louis Soslowsky
INTRODUCTION: Achilles tendon ruptures affect 15 of 100,000 women and 55 of 100,000 men each year. Controversy continues to exist regarding optimal treatment and rehabilitation protocols. The objective of this study was to investigate the temporal effects of surgical repair and immobilization or activity on Achilles tendon healing and limb function after complete transection in rodents. METHODS: Injured tendons were repaired (n = 64) or left nonrepaired (n = 64)...
September 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28749854/risk-stratification-in-pediatric-acute-respiratory-distress-syndrome-a-multicenter-observational-study
#14
MULTICENTER STUDY
Judith Ju-Ming Wong, Huu Phuc Phan, Suwannee Phumeetham, Jacqueline Soo May Ong, Yek Kee Chor, Suyun Qian, Rujipat Samransamruajkit, Nattachai Anantasit, Chin Seng Gan, Feng Xu, Rehena Sultana, Tsee Foong Loh, Jan Hau Lee
OBJECTIVES: The Pediatric Acute Lung Injury Consensus Conference developed a pediatric specific definition for acute respiratory distress syndrome (PARDS). In this definition, severity of lung disease is stratified into mild, moderate, and severe groups. We aim to describe the epidemiology of patients with PARDS across Asia and evaluate whether the Pediatric Acute Lung Injury Consensus Conference risk stratification accurately predicts outcome in PARDS. DESIGN: A multicenter, retrospective, descriptive cohort study...
November 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28745098/analysis-of-the-accuracy-and-performance-of-a-continuous-glucose-monitoring-sensor-prototype-an-in-silico-study-using-the-uva-padova-type-1-diabetes-simulator
#15
Marc D Breton, Rolf Hinzmann, Enrique Campos-Nañez, Susan Riddle, Michael Schoemaker, Guenther Schmelzeisen-Redeker
BACKGROUND: Computer simulation has been shown over the past decade to be a powerful tool to study the impact of medical devices characteristics on clinical outcomes. Specifically, in type 1 diabetes (T1D), computer simulation platforms have all but replaced preclinical studies and are commonly used to study the impact of measurement errors on glycemia. METHOD: We use complex mathematical models to represent the characteristics of 3 continuous glucose monitoring systems using previously acquired data...
May 2017: Journal of Diabetes Science and Technology
https://www.readbyqxmd.com/read/28730574/mechanical-ventilation-guided-by-electrical-impedance-tomography-in-pediatric-acute-respiratory-distress-syndrome
#16
Jeffrey Dmytrowich, Tanya Holt, Karen Schmid, Gregory Hansen
Mechanical ventilation strategies in pediatric acute respiratory distress syndrome (pARDS) continue to advance. Optimizing positive end expiratory pressure (PEEP) and ventilation to recruitable lung can be difficult to clinically achieve. This is in part, due to disease evolution, unpredictable changes in lung compliance, and the inability to assess regional tidal volumes in real time at the bedside. Here we report the utilization of thoracic electrical impedance tomography to guide daily PEEP settings and recruitment maneuvers in a child with pARDS...
July 20, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28683928/aging-leads-to-inferior-achilles-tendon-mechanics-and-altered-ankle-function-in-rodents
#17
A M Pardes, Z M Beach, H Raja, A B Rodriguez, B R Freedman, L J Soslowsky
Spontaneous rupture of the Achilles tendon is increasingly common in the middle aged population. However, the cause for the particularly high incidence of injury in this age group is not well understood. Therefore, the objective of this study was to identify age-specific differences in the Achilles tendon-muscle complex using an animal model. Functional measures were performed in vivo and tissues were harvested following euthanasia for mechanical, structural, and histological analysis from young, middle aged, and old rats...
July 26, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28652146/downregulation-of-pkc%C3%AE-pard3-pard6b-is-responsible-for-lung-adenocarcinoma-cell-emt-and-invasion
#18
Qiyuan Zhou, Jingbo Dai, Tianji Chen, Laura A Dada, Xu Zhang, Wei Zhang, Malcolm M DeCamp, Robert A Winn, Jacob I Sznajder, Guofei Zhou
Atypical protein kinase C ζ (PKCζ) forms an apico-basal polarity complex with Partitioning Defective (Pard) 3 and Pard6 to regulate normal epithelial cell apico-basolateral polarization. The dissociation of the PKCζ/Pard3/Pard6 complex is essential for the disassembly of the tight/adherens junction and epithelial-mesenchymal transition (EMT) that is critical for tumor spreading. Loss of cell polarity and epithelial organization is strongly correlated with malignancy and tumor progression in some other cancer types...
October 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28546374/pediatric-ards
#19
Ira M Cheifetz
The Pediatric Acute Lung Injury Consensus Conference (PALICC) has provided the critical care community with the first pediatric-focused definition for ARDS. The PALICC recommendations provide guidance on conventional ventilator management, gas exchange goals, use of high-frequency ventilation, adjunct management approaches, and the application of extracorporeal membrane oxygenation for pediatric ARDS (PARDS). Although outcomes for PARDS have improved over the past decade, mortality and morbidity remain significant...
June 2017: Respiratory Care
https://www.readbyqxmd.com/read/28395008/derivation-and-validation-of-a-serum-biomarker-panel-to-identify-infants-with-acute-intracranial-hemorrhage
#20
Rachel Pardes Berger, Brian J Pak, Mariya D Kolesnikova, Janet Fromkin, Richard Saladino, Bruce E Herman, Mary Clyde Pierce, David Englert, Paul T Smith, Patrick M Kochanek
Importance: Abusive head trauma is the leading cause of death from physical abuse. Missing the diagnosis of abusive head trauma, particularly in its mild form, is common and contributes to increased morbidity and mortality. Serum biomarkers may have potential as quantitative point-of-care screening tools to alert physicians to the possibility of intracranial hemorrhage. Objective: To identify and validate a set of biomarkers that could be the basis of a multivariable model to identify intracranial hemorrhage in well-appearing infants using the Ziplex System...
June 5, 2017: JAMA Pediatrics
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