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https://www.readbyqxmd.com/read/28735085/minocycline-attenuates-streptomycin-induced-cochlear-hair-cell-death-by-inhibiting-protein-nitration-and-poly-adp-ribose-polymerase-activation
#1
Ping Wang, Haonan Li, Shuyuan Yu, Peng Jin, Abdurahman Hassan, Bo Du
This study aimed to elucidate the protective effect of minocycline against streptomycin-induced damage of cochlear hair cells and its mechanism. Cochlear membranes were isolated from newborn Wistar rats and randomly divided into control, 500μmol/L streptomycin, 100μmol/L minocycline, and streptomycin and minocycline treatment groups. Hair cell survival was analyzed by detecting the expression of 3-nitrotyrosine (3-NT) in cochlear hair cells by immunofluorescence and an enzyme-linked immunosorbent assay. Expression of 3-NT and inducible nitric oxide synthase (iNOS), and poly (ADP-Ribose) polymerase (PARP) and caspase-3 activation were evaluated by western blotting...
July 19, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28735030/effect-of-bosentan-therapy-in-persistent-pulmonary-hypertension-of-the-newborn
#2
Gunlawadee Maneenil, Anucha Thatrimontrichai, Waricha Janjindamai, Supaporn Dissaneevate
BACKGROUND: Persistent pulmonary hypertension of the newborn (PPHN) contributes to neonatal hypoxemia and is associated with a high mortality. Some PPHN patients are unresponsive to inhaled nitric oxide (iNO). Bosentan, an oral endothelin-1 receptor antagonist, reduces pulmonary vascular resistance and hence may play a role in the treatment of PPHN. METHODS: A retrospective medical records review was performed in newborns who received oral bosentan as an adjunctive therapy for treatment of PPHN between January 2013 and February 2016 at the neonatal intensive care unit of Songklanagarind Hospital...
July 11, 2017: Pediatrics and Neonatology
https://www.readbyqxmd.com/read/28658134/treprostinil-for-persistent-pulmonary-hypertension-of-the-newborn-with-early-onset-sepsis-in-preterm-infant-2-case-reports
#3
Bo Young Park, Sung-Hoon Chung
RATIONALE: Persistent pulmonary hypertension of the newborn (PPHN) is a syndrome of failed circulatory adaptation at birth with persisting increased pulmonary vascular resistance that is associated with high mortality rates especially in preterm infants. PATIENT CONCERNS: We reported 2 cases of PPHN in preterm infants with respiratory distress syndrome and early onset sepsis refractory to therapy with vasopressors, inotropes, and inhaled nitric oxide (iNO), in whom treatment with treprostinil was successful...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28583294/hataedock-treatment-has-preventive-therapeutic-effects-for-atopic-dermatitis-through-skin-barrier-protection-in-dermatophagoides-farinae-induced-nc-nga-mice
#4
Ho-Yeol Cha, Sang-Hyun Ahn, Jin-Hong Cheon, Sun-Young Park, Kibong Kim
ETHNOPHARMACOLOGICAL RELEVANCE: Hataedock treatment is traditionally used for the purpose of preventing the future skin disease by feeding herbal extracts to the newborn in traditional Chinese and Korean medicine. AIM OF THE STUDY: This study investigated the preventive therapeutic effects of Hataedock (HTD) treatment for atopic dermatitis (AD) through skin barrier protection in Dermatophagoides farinae-induced NC/Nga mice. MATERIALS AND METHODS: To the HTD treatment group, the extract of Coptis japonica Makino and Glycyrrhiza uralensis Fischer, which analyzed with High Performance Liquid Chromatography (HPLC)-fingerprint for quality consistency, was administered orally to the 3-week-old mice before inducing AD...
July 12, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28464218/granulocytic-myeloid-derived-suppressor-cells-from-human-cord-blood-modulate-t-helper-cell-response-towards-an-anti-inflammatory-phenotype
#5
Natascha Köstlin, Margit Vogelmann, Bärbel Spring, Julian Schwarz, Judith Feucht, Christoph Härtel, Thorsten W Orlikowsky, Christian F Poets, Christian Gille
Infections are a leading cause of perinatal morbidity and mortality. The outstandingly high susceptibility to infections early in life is mainly attributable to the compromised state of the neonatal immune system. One important difference to the adult immune system is a bias towards T helper type 2 (Th2) responses in newborns. However, mechanisms regulating neonatal T-cell responses are incompletely understood. Granulocytic myeloid-derived suppressor cells (GR-MDSC) are myeloid cells with a granulocytic phenotype that suppress various functions of other immune cells and accumulate under physiological conditions during pregnancy in maternal and fetal blood...
September 2017: Immunology
https://www.readbyqxmd.com/read/28255270/activated-clc-2-inhibits-p-akt-to-repress-myelination-in-gdm-newborn-rats
#6
Feixiang He, Yuchen Peng, Zhi Yang, Zilu Ge, Yanping Tian, Teng Ma, Hongli Li
This study aims to investigate the effect and mechanism of type 2 voltage-gated chloride channel (ClC-2) on myelin development of newborn rats' cerebral white matter with gestational diabetes mellitus (GDM). In this study, GDM model was induced in late pregnant rat model. The alteration of ClC-2 expression in various developmental stages of cerebral white matter with/without being exposed to high glucose was analyzed using RT-PCR, active oxygen detection, TUNEL staining, Western Blot as well as immuno-histochemical staining...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/28096983/pde3-inhibition-with-enoximone-as-first-line-therapy-for-severe-persistent-pulmonary-hypertension-of-the-newborn-during-neonatal-transport-a-case-report
#7
Robin van der Lee, Barbara Peels, Corine Koopman-Esseboom
Severe Persistent pulmonary hypertension of the newborn (PPHN) can be effectively treated with a PDE3 inhibitor as first-line treatment during neonatal transport when iNO is not readily available. Starting iNO as soon as possible is strongly advised because of the complementary actions of both therapeutics.
January 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28056166/nitric-oxide-for-respiratory-failure-in-infants-born-at-or-near-term
#8
REVIEW
Keith J Barrington, Neil Finer, Thomas Pennaforte, Gabriel Altit
BACKGROUND: Nitric oxide (NO) is a major endogenous regulator of vascular tone. Inhaled nitric oxide (iNO) gas has been investigated as treatment for persistent pulmonary hypertension of the newborn. OBJECTIVES: To determine whether treatment of hypoxaemic term and near-term newborn infants with iNO improves oxygenation and reduces rate of death and use of extracorporeal membrane oxygenation (ECMO), or affects long-term neurodevelopmental outcomes. SEARCH METHODS: We used the standard search strategy of the Cochrane Neonatal Review Group to search the Cochrane Central Register of Controlled Trials (CENTRAL; 2016, Issue 1), MEDLINE via PubMed (1966 to January 2016), Embase (1980 to January 2016) and the Cumulative Index to Nursing and Allied Health Literature (CINAHL; 1982 to January 2016)...
January 5, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28055264/inos-inhibition-improves-autonomic-dysfunction-and-oxidative-status-in-hypertensive-obese-rats
#9
Natalia Veronez da Cunha, Fernanda Novi Cortegoso Lopes, Carolina Panis, Rubens Cecchini, Phileno Pinge-Filho, Marli Cardoso Martins-Pinge
It has been suggested that nitric oxide (NO) from iNOS source is involved in inflammation and oxidative stress, and hypertension in obese subjects involves an inflammatory process. However, no study evaluated the participation of iNOS inhibition on cardiovascular, autonomic, and inflammatory parameters in obese rats. Obesity was induced by the administration of 4 mg/g body weight of monosodium glutamate (MSG) or equimolar saline (CTR) in newborn rats. On the 60th day, treatment with aminoguanidine (Amino, 50 mg/kg), an iNOS inhibitor, or 0...
2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28045472/inhaled-nitric-oxide-for-respiratory-failure-in-preterm-infants
#10
REVIEW
Keith J Barrington, Neil Finer, Thomas Pennaforte
BACKGROUND: Inhaled nitric oxide (iNO) is effective in term infants with hypoxic respiratory failure. The pathophysiology of respiratory failure and the potential risks of iNO differ substantially in preterm infants, necessitating specific study in this population. OBJECTIVES: To determine effects of treatment with inhaled nitric oxide (iNO) on death, bronchopulmonary dysplasia (BPD), intraventricular haemorrhage (IVH) or other serious brain injury and on adverse long-term neurodevelopmental outcomes in preterm newborn infants with hypoxic respiratory failure...
January 3, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27882025/no-inhalation-in-combination-with-high-frequency-ventilation-treatment-in-the-treatment-of-neonatal-severe-respiratory-failure
#11
Xiaohui Guo, Yanfeng Sun, Jing Miao, Min Cui, Jiangbo Wang, Shuzhen Han
OBJECTIVE: To discuss over NO inhalation (iNO) in combination with high frequency ventilation treatment in relieving clinical symptoms and respiratory state of patients with neonatal severe respiratory failure. METHODS: Ninety newborns with severe respiratory failure who received treatment in our hospital were selected for this study. They were divided into research group and control group according to visiting time. Patients in the control group were given conventional treatment in combination with high-frequency oscillatory ventilation, while patients in the research group were given iNO for treatment additionally besides the treatment the same as the control group...
September 2016: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/27730173/inhaled-nitric-oxide-decreases-pulmonary-endothelial-nitric-oxide-synthase-expression-and-activity-in-normal-newborn-rat-lungs
#12
Thông Hua-Huy, Sy Duong-Quy, Hoa Pham, Julien Pansiot, Jean-Christophe Mercier, Olivier Baud, Anh Tuan Dinh-Xuan
Inhaled nitric oxide (iNO) is commonly used in the treatment of very ill pre-term newborns. Previous studies showed that exogenous NO could affect endothelial NO synthase (eNOS) activity and expression in vascular endothelial cell cultures or adult rat models, but this has never been fully described in newborn rat lungs. We therefore aimed to assess the effects of iNO on eNOS expression and activity in newborn rats. Rat pups, post-natal day (P) 0 to P7, and their dams were placed in a chamber containing NO at 5 ppm (iNO-5 ppm group) or 20 ppm (iNO-20 ppm group), or in room air (control group)...
January 2016: ERJ Open Research
https://www.readbyqxmd.com/read/27723858/evaluation-of-variability-in-inhaled-nitric-oxide-use-and-pulmonary-hypertension-in-patients-with-congenital-diaphragmatic-hernia
#13
MULTICENTER STUDY
Luke R Putnam, Kuojen Tsao, Francesco Morini, Pamela A Lally, Charles C Miller, Kevin P Lally, Matthew T Harting
Importance: Inhaled nitric oxide (iNO) is an expensive, commonly used therapy among patients with congenital diaphragmatic hernia (CDH); however, data to support its ongoing use in this patient population are lacking. Objective: To describe the spectrum of iNO use among patients with CDH and its association with pulmonary hypertension (pHTN) and mortality. Design, Setting, and Participants: A review was conducted of prospectively collected patient data in the Congenital Diaphragmatic Hernia Study Group registry between January 1, 2007, and December 31, 2014, from 70 participating centers in 13 countries...
December 1, 2016: JAMA Pediatrics
https://www.readbyqxmd.com/read/27711045/non-invasive-inhaled-nitric-oxide-in-the-treatment-of-hypoxemic-respiratory-failure-in-term-and-preterm-infants
#14
R Sahni, X Ameer, K Ohira-Kist, J-T Wung
OBJECTIVES: Inhaled nitric oxide (iNO) is effective in conjunction with tracheal intubation (TI) and mechanical ventilation (MV) for treating arterial pulmonary hypertension and hypoxemic respiratory failure (HRF) in near-term and term newborns. Non-invasive respiratory support with nasal continuous positive airway pressure (CPAP) is increasingly used to avoid morbidity associated with TI and MV, yet the effectiveness of iNO delivery via nasal CPAP remains unknown. To evaluate the effectiveness of iNO delivered via the bubble nasal CPAP system in term and preterm newborns with HRF...
January 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/27599869/impact-of-stewardship-on-inhaled-nitric-oxide-utilization-in-a-neonatal-icu
#15
Amir Elmekkawi, Kiran More, Jennifer Shea, Christina Sperling, Zelia Da Silva, Michael Finelli, Asaph Rolnitsky, Robert P Jankov
OBJECTIVES: Inhaled nitric oxide (iNO) remains the "gold standard" therapy for hypoxemic respiratory failure in newborns. Despite good quality evidence to guide iNO use in this population, we observed considerable practice variation, particularly in timing and rate of weaning. To promote evidence-based practice, we launched an iNO stewardship program in April 2013. Our objective was to determine whether iNO stewardship led to changes in iNO utilization and weaning. METHODS: We conducted a quality improvement project in an outborn quaternary NICU, targeting improved iNO guideline compliance...
October 2016: Hospital Pediatrics
https://www.readbyqxmd.com/read/27589542/effect-of-early-adjunctive-use-of-oral-sildenafil-and-inhaled-nitric-oxide-on-the-outcome-of-pulmonary-hypertension-in-newborn-infants-a-feasibility-study
#16
S Al Omar, H Salama, M Al Hail, H Al Rifai, M Bunahia, W El Kasem, F J Siddiqui, M Dilawar, H Yassin, F Masud, A Mohamed, A Mansour
INTRODUCTION: Inhaled nitric oxide (iNO) is the standard therapy for infants with persistent pulmonary hypertension of the newborn (PPHN). Recently, sildenafil has been evaluated as an alternative or adjunctive pulmonary vasodilator. OBJECTIVE: To assess the effectiveness of adding sildenafil as an early adjunctive therapy together with iNO when treating newborns with PPHN and/or hypoxemic respiratory failure. METHODS: This is a randomized placebo trial on newborns with gestational age > 34 weeks, postnatal age < 48 hours, and diagnosed with PPHN (oxygen index (OI) ≥ 20)...
September 16, 2016: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/27535894/endothelin-receptor-antagonists-for-persistent-pulmonary-hypertension-in-term-and-late-preterm-infants
#17
REVIEW
Kiran More, Gayatri K Athalye-Jape, Shripada C Rao, Sanjay K Patole
BACKGROUND: Endothelin, a powerful vasoconstrictor, is one of the mediators in the causation of persistent pulmonary hypertension of the newborn (PPHN). Theoretically, endothelin receptor antagonists (ETRA) have the potential to improve the outcomes of infants with PPHN. OBJECTIVES: To assess the efficacy and safety of ETRA in the treatment of PPHN in full-term, post-term and late preterm infants.To assess the efficacy and safety of selective ETRAs (which block only the ETA receptors) and non-selective ETRAs (which block both ETA and ETB receptors) separately...
August 18, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27502103/bosentan-as-adjunctive-therapy-for-persistent-pulmonary-hypertension-of-the-newborn-results-of-the-randomized-multicenter-placebo-controlled-exploratory-trial
#18
RANDOMIZED CONTROLLED TRIAL
Robin H Steinhorn, Jeffrey Fineman, Andjela Kusic-Pajic, Peter Cornelisse, Martine Gehin, Pegah Nowbakht, Christine M Pierce, Maurice Beghetti
OBJECTIVE: To evaluate the efficacy, safety, and pharmacokinetics of the endothelin receptor antagonist bosentan as adjunctive therapy for neonates with persistent pulmonary hypertension of the newborn (PPHN). STUDY DESIGN: This was a phase 3, multicenter, randomized, placebo-controlled exploratory trial (FUTURE-4). Eligible patients were >34 weeks gestation, <7 days old, receiving inhaled nitric oxide (iNO) treatment (≥4 hours), and had persistent respiratory failure (oxygenation index [OI] ≥12)...
October 2016: Journal of Pediatrics
https://www.readbyqxmd.com/read/27356081/altered-cardiovascular-function-at-birth-in-growth-restricted-preterm-lambs
#19
Graeme R Polglase, Beth J Allison, Elise Coia, Anqi Li, Graham Jenkin, Atul Malhotra, Arvind Sehgal, Martin Kluckow, Andrew W Gill, Stuart B Hooper, Suzanne L Miller
BACKGROUND: Cardiovascular dysfunction at birth may underlie poor outcomes after fetal growth restriction (FGR) in neonates. We compared the cardiovascular transition between FGR and appropriately grown (AG) preterm lambs and examined possible mechanisms underlying any cardiovascular dysfunction in FGR lambs. METHODS: FGR was induced in ewes bearing twins at 0.7 gestation; the twin was used as an internal control (AG). At 0.8 gestation, lambs were delivered and either euthanized with their arteries isolated for in vitro wire myography, or ventilated for 2 h...
October 2016: Pediatric Research
https://www.readbyqxmd.com/read/27268936/-cost-effectiveness-and-budget-impact-analysis-of-inhaled-nitric-oxide-in-a-neonatal-unit-from-the-perspective-of-the-public-health-system
#20
Carlos Kilchemmann Fuentes, Carlos Vallejos Vallejos, Andrés Román Navarro
Inhaled nitric oxide (iNO) is currently the first-line therapy in severe hypoxaemic respiratory failure of the newborn. Most of regional neonatal centres in Chile do not have this therapeutic alternative. OBJECTIVE: To determine the cost effectiveness of inhaled nitric oxide in the treatment of respiratory failure associated with pulmonary hypertension of the newborn compared to the usual care, including the transfer to a more complex unit. PATIENTS AND METHOD: A clinical decision tree was designed from the perspective of Chilean Public Health Service...
November 2016: Revista Chilena de Pediatría
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