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https://www.readbyqxmd.com/read/29041034/inhaled-versus-systemic-corticosteroids-for-preventing-bronchopulmonary-dysplasia-in-ventilated-very-low-birth-weight-preterm-neonates
#1
REVIEW
Sachin S Shah, Arne Ohlsson, Henry L Halliday, Vibhuti S Shah
BACKGROUND: Bronchopulmonary dysplasia (BPD) remains an important cause of mortality and morbidity in preterm infants and inflammation plays a significant role in its pathogenesis. The use of inhaled corticosteroids may modulate the inflammatory process without concomitant high systemic steroid concentrations and less risk of adverse effects. This is an update of a review published in 2012 (Shah 2012). We recently updated the related review on "Inhaled versus systemic corticosteroids for treating bronchopulmonary dysplasia in ventilated very low birth weight preterm neonates"...
October 17, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29040989/hepatocellular-carcinoma-after-achievement-of-sustained-viral-response-with-daclatasvir-and-asunaprevir-in-patients-with-chronic-hepatitis-c-virus-infection
#2
Hiroshi Ida, Satoru Hagiwara, Masashi Kono, Tomohiro Minami, Hirokazu Chishina, Tadaaki Arizumi, Masahiro Takita, Norihisa Yada, Yasunori Minami, Kazuomi Ueshima, Naoshi Nishida, Masatoshi Kudo
BACKGROUND: Interferon-based antiviral therapies against hepatitis C virus (HCV) infection have been shown to reduce the incidence of hepatocellular carcinoma (HCC) in patients with sustained viral response (SVR). Recently, direct-acting antivirals (DAAs) have been proven to be much more effective in achieving SVR than interferon-based therapies. However, whether DAAs can efficiently prevent the occurrence of HCC after SVR remains controversial. To clarify this issue, we analyzed the clinical features of patients in whom HCC developed after achievement of SVR with DAAs for chronic HCV infection...
2017: Digestive Diseases
https://www.readbyqxmd.com/read/29040978/hydrogen-rich-saline-attenuates-brain-injury-induced-by-cardiopulmonary-bypass-and-inhibits-microvascular-endothelial-cell-apoptosis-via-the-pi3k-akt-gsk3%C3%AE-signaling-pathway-in-rats
#3
Keyan Chen, Nan Wang, Yugang Diao, Wanwei Dong, YingJie Sun, Lidan Liu, Xiuying Wu
BACKGROUND/AIMS: Cardiopulmonary bypass (CPB) is prone to inducing brain injury during open heart surgery. A hydrogen-rich solution (HRS) can prevent oxidation and apoptosis, and inhibit inflammation. This study investigated effects of HRS on brain injury induced by CPB and regulatory mechanisms of the PI3K/Akt/GSK3β signaling pathway. METHODS: A rat CPB model and an in vitro cell hypoxia model were established. After HRS treatment, Rat behavior was measured using neurological deficit score; Evans blue (EB) was used to assess permeability of the blood-brain barrier (BBB); HE staining was used to observe pathological changes; Inflammatory factors and brain injury markers were detected by ELISA; the PI3K/Akt/GSK3β pathway-related proteins and apoptosis were assessed by western blot, immunohistochemistry and qRT -PCR analyses of brain tissue and neurons...
October 17, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29040973/sulforaphane-and-epigallocatechin-gallate-restore-estrogen-receptor-expression-by-modulating-epigenetic-events-in-the-breast-cancer-cell-line-mda-mb-231-a-systematic-review-and-meta-analysis
#4
Vincenza Gianfredi, Samuele Vannini, Massimo Moretti, Milena Villarini, Nicola Luigi Bragazzi, Alberto Izzotti, Daniele Nucci
BACKGROUND/AIMS: Epigenetics refers to modifications in gene activity and expression without alteration at the DNA sequence. Environment and diet could influence gene expression. Diet modifications may be meaningful in preventing and treating chronic diseases, cancer included. Dietary bioactive compounds, such as polyphenols (e.g., curcumin, resveratrol, or epigallocatechin gallate [EGCG]) or isothiocyanate (e.g., sulforaphane [SFN]), can regulate histone acetylation. The aim of this systematic review and meta-analysis was to evaluate the effect of SFN and EGCG on breast cancer (BC) cells cultured in vitro...
October 18, 2017: Journal of Nutrigenetics and Nutrigenomics
https://www.readbyqxmd.com/read/29040944/inhaled-glucocorticoid-treatment-prevents-the-response-of-cd8-t-cells-in-a-mouse-model-of-allergic-asthma-and-causes-their-depletion-outside-the-respiratory-system
#5
Monika Zuśka-Prot, Tomasz Maślanka
The principal objective of this research has been to determine the safety of inhaled glucocorticoids (GCs) in respect of their effect on CD8(+) T cells within respiratory and extra-respiratory tissues, and to compare it with systemic GC treatment. Another purpose has been to identify whether inhaled and systemic GCs affect the CD8(+) T cell response in the mediastinal lymph nodes (MLNs) and lungs in a mouse model of ovalbumin (OVA)-induced asthma. Ciclesonide and methylprednisolone were used as a model for inhaled and systemic GCs, respectively...
October 14, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/29040903/aplasia-cutis-congenita-as-a-result-of-interstitial-laser-therapy-for-fetal-reduction-in-monochorionic-twins-conservative-approach-and-outcome
#6
Veronica Mugarab-Samedi, Abhay Lodha, Adel ElSharkawy, Essa Al Awad
Monochorionic (MC) twin pregnancies are known to carry a high risk of twin-to-twin transfusion syndrome (TTTS) that could lead to miscarriage and perinatal death. Demise of one fetus is frequently associated with co-fetal death. Fetal reduction by interstitial laser therapy is an effective procedure to prevent this outcome, but it may be associated with significant risks for both mother and fetus. Aplasia Cutis Congenita (ACC) may occur in up to 8% cases of fetal reduction by laser therapy. We report ACC in a preterm infant, a survivor of interstitial laser therapy for fetal reduction in MC pregnancy...
October 10, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29040864/enhanced-enzymatic-hydrolysis-by-adding-long-chain-fatty-alcohols-using-film-as-a-structure-model
#7
Zongwei Guo, Liming Zhang, Lu Zhang, Guihua Yang, Feng Xu
Many positive effects of additives on enzymatic hydrolysis of lignocellulosic materials have been investigated, but limited information has been reported on the use of long-chain fatty alcohols (LFAs) for enzymatic hydrolysis by biospired models. In this study, effects of LFAs on enzymatic hydrolysis were evaluated using biomimetic film asa structure model. LFAs clearly improved the digestibility of cellulose film from 65.1% to 77.9%, which was higher than that the digestibility of lignin-cellulose film from 53...
September 27, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/29040841/-caught-with-a-body-yet-protected-by-law-calling-911-for-opioid-overdose-in-the-context-of-the-good-samaritan-law
#8
Amanda D Latimore, Rachel S Bergstein
BACKGROUND: To address soaring opioid overdose fatality rates, 41U.S. states have passed Good Samaritan Laws (GSLs) extending legal immunity to overdose bystanders who call for emergency assistance. This study, conducted during the period that followed implementation of a GSL, aimed to characterize current factors determining the decision to call for emergency medical help (911) at the scene of an overdose with specific attention to exploring the role of the GSL as one such factor in decision-making...
October 14, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/29040829/soybean-derived-bowman-birk-inhibitor-bbi-blocks-hiv-entry-into-macrophages
#9
Tong-Cui Ma, Le Guo, Run-Hong Zhou, Xu Wang, Jin-Biao Liu, Jie-Liang Li, Yu Zhou, Wei Hou, Wen-Zhe Ho
Bowman-Birk inhibitor (BBI) is a soybean-derived protease inhibitor that has anti-inflammation and anti-HIV effect. Here, we further investigated the anti-HIV action of BBI in macrophages, focusing on its effect on viral entry. We found that BBI could significantly block HIV entry into macrophages. Investigation of the mechanism(s) of the BBI action on HIV inhibition showed that BBI down-regulated the expression of CD4 receptor (as much as 80%) and induced the production of the CC chemokines (up to 60 folds at protein level) in macrophages...
October 14, 2017: Virology
https://www.readbyqxmd.com/read/29040818/metformin-attenuates-er-stress-induced-mitochondrial-dysfunction
#10
Qun Chen, Jeremy Thompson, Ying Hu, Anindita Das, Edward J Lesnefsky
Endoplasmic reticulum (ER) stress, a disturbance of the ER function, contributes to cardiac injury. ER and mitochondria are closely connected organelles within cells. ER stress contributes to mitochondrial dysfunction, which is a key factor to increase cardiac injury. Metformin, a traditional anti-diabetic drug, decreases cardiac injury during ischemia-reperfusion. Metformin also inhibits ER stress in cultured cells. We hypothesized that metformin can attenuate the ER stress-induced mitochondrial dysfunction and subsequent cardiac injury...
September 28, 2017: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/29040815/the-role-of-folic-acid-and-selenium-against-oxidative-ethanol-damage-in-early-life-programming-a-review
#11
Mª Luisa Ojeda Murillo, Fatima Nogales Bueno, Mª Luisa Murillo Taravillo, Olimpia Carreras Sánchez
Several disorders in children, called Fetal Alcohol Spectrum Disorders (FASD), occur as result of alcohol consumption during pregnancy and lactation. They appear, at least in part, to be related to the oxidative stress that this drug generates. Ethanol metabolism generates reactive oxygen species and causes a depletion of the antioxidant molecule glutathione (GSH) leading to oxidative stress and lipid and protein damage which are related to growth retardation and neurotoxicity, increasing the incidence of FASD...
October 17, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29040686/the-world-health-organization-s-response-to-emerging-human-immunodeficiency-virus-drug-resistance-and-a-call-for-global-action
#12
Silvia Bertagnolio, Rachel L Beanland, Michael R Jordan, Meg Doherty, And Gottfried Hirnschall
The global community, including the World Health Organization (WHO), has committed to ending the AIDS epidemic and to ensuring that 90% of people living with human immunodeficiency virus (HIV) are diagnosed, 90% start treatment, and 90% achieve and maintain virological suppression. The emergence of HIV drug resistance (HIVDR) as antiretroviral treatment programs expand could preclude the 90-90-90 targets adopted by the United Nations General Assembly at the High-Level Meeting on Ending AIDS from being achieved...
October 13, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29040674/evaluation-of-apoptotic-and-autophagic-related-protein-expressions-before-and-after-in-vitro-maturation-of-fresh-slow-frozen-and-vitrified-pre-pubertal-mouse-testicular-tissue
#13
L Dumont, F Chalmel, A Oblette, B Berby, A Rives, V Duchesne, C Rondanino, N Rives
STUDY QUESTION: Do freezing and in vitro culture procedures enhance the expression of proteins involved in apoptotic or autophagic pathways in murine pre-pubertal testicular tissue? SUMMARY ANSWER: In vitro maturation strongly modified apoptosis- and autophagy-related relative protein levels in mice testicular tissue whereas the impact of cryopreservation procedures was minimal at the end of the culture. WHAT IS KNOWN ALREADY: In vitro spermatogenesis remains a challenging technical issue as it imposes to find a very close balance between survival and death of germ cell natural precursors (i...
October 11, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/29040666/maternal-tenofovir-disoproxil-fumarate-use-during-pregnancy-is-not-associated-with-adverse-perinatal-outcomes-among-hiv-infected-east-african-women-a-prospective-study
#14
Jillian Pintye, Jared M Baeten, Connie Celum, Nelly Mugo, Kenneth Ngure, Edwin Were, Elizabeth Bukusi, Grace John-Stewart, Renee A Heffron
Background: Tenofovir disoproxil fumarate (TDF) is commonly used in antiretroviral treatment (ART) and pre-exposure prophylaxis regimens. We evaluated the relationship between adverse perinatal outcomes and prenatal TDF use. Methods: Longitudinal data were analyzed from HIV-infected women who became pregnant during two HIV prevention studies conducted among HIV-serodiscordant couples in Kenya and Uganda. Pregnancies were included if singleton, not terminated by an induced abortion and had documentation of 3-drug ART use...
October 10, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29040664/coumestrol-induces-mitochondrial-dysfunction-by-stimulating-ros-production-and-calcium-ion-influx-into-mitochondria-in-human-placental-choriocarcinoma-cells
#15
Whasun Lim, Changwon Yang, Muhah Jeong, Fuller W Bazer, Gwonhwa Song
STUDY QUESTION: Does coumestrol inhibit proliferation of human placental choriocarcinoma cells? SUMMARY ANSWER: Coumestrol promotes cell death in the choriocarcinoma cells by regulating ERK1/2 MAPK and JNK MAPK signaling pathways and through disruption of Ca2+ and ROS homeostasis. WHAT IS KNOWN ALREADY: A number of patients who suffer from choriocarcinomas fail to survive due to delayed diagnosis or a recurrent tumor and resistance to traditional chemotherapy using platinum-based agents and methotrexate...
October 11, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/29040660/potential-of-three-trap-crops-in-managing-nezara-viridula-hemiptera-pentatomidae-on-tomatoes-in-florida
#16
T L Gordon, M Haseeb, L H B Kanga, J C Legaspi
The southern green stink bug, Nezara viridula (L.) (Hemiptera: Pentatomidae), is a serious insect pest of tomatoes in Florida. In this study, we examined the use of three species of trap crops to manage N. viridula in North Florida tomato crops in 2014 and 2015. We used striped sunflower (Helianthus annuus) (Asterales: Asteraceae) and wild game feed sorghum (Sorghum bicolor) (Poales: Poaceae) in both years, but different species of millet each year: browntop millet (Panicum ramosum) (Poales: Poaceae) in 2014 and pearl millet (Pennisetum glaucum) (Poales: Poaceae) in 2015...
October 11, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29040622/neurokinin-b-regulates-gonadotropin-secretion-ovarian-follicle-growth-and-the-timing-of-ovulation-in-healthy-women
#17
Karolina Skorupskaite, Jyothis T George, Johannes D Veldhuis, Richard A Anderson
Context: Neurokinin B (NKB) is obligate for human puberty, but its role in adult female gonadotropin secretion and ovarian follicle growth is unknown. Objective: To investigate antagonism of NKB on pulsatile GnRH/LH secretion and ovarian follicle development in normal women. Design: Open investigation of the effects of a neurokinin-3 receptor antagonist (NK3Ra) vs no treatment control cycle. Setting: Clinical Research Facility...
October 12, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29040610/the-biological-impact-of-blood-pressure-associated-genetic-variants-in-the-natriuretic-peptide-receptor-c-gene-on-human-vascular-smooth-muscle
#18
Meixia Ren, Fu Liang Ng, Helen Warren, Kate Witkowska, Michael Baron, Zhilong Jia, Claudia Cabrera, Ruoxin Zhang, Borbala Mifsud, Patricia B Munroe, Qingzhong Xiao, Andrea Townsend-Nicholson, Adrian Hobbs, Shu Ye, Mark Caulfield
Elevated blood pressure (BP) is a major global risk factor for cardiovascular disease. Genome-wide association studies have identified several genetic variants at the NPR3 locus associated with BP, but the functional impact of these variants remains to be determined. Here we confirmed, by a genome-wide association study within UK Biobank, the existence of two independent BP-related signals within NPR3 locus. Using human primary vascular smooth muscle cells and endothelial cells from different individuals, we found that the BP-elevating alleles within one linkage disequilibrium block identified by the sentinel variant rs1173771 was associated with lower endogenous NPR3 mRNA and protein levels in vascular smooth muscle cells, together with reduced levels in open chromatin and nuclear protein binding...
October 10, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/29040603/mitosis-specific-acetylation-tunes-ran-effector-binding-for-chromosome-segregation
#19
Xiaoling Bao, Heng Liu, Xing Liu, Ke Ruan, Yonghui Zhang, Zhiyong Zhang, Qi Hu, Ying Liu, Saima Akram, Jiahai Zhang, Qingguo Gong, Wenwen Wang, Xiao Yuan, Jian Li, Lingli Zhao, Zhen Dou, Ruijun Tian, Xuebiao Yao, Jihui Wu, Yunyu Shi
Stable transmission of genetic information during cell division requires faithful mitotic spindle assembly and chromosome segregation. The Ran GTPase plays a key role in mitotic spindle assembly. However, how the generation of a chemical gradient of Ran-GTP at the spindle is coupled to mitotic post-translational modifications has never been characterized. Here, we solved the complex structure of Ran with the nucleotide release factor Mog1 and delineated a novel mitosis-specific acetylation-regulated Ran-Mog1 interaction during chromosome segregation...
October 6, 2017: Journal of Molecular Cell Biology
https://www.readbyqxmd.com/read/29040597/mendelian-randomization-a-novel-approach-for-the-prediction-of-adverse-drug-events-and-drug-repurposing-opportunities
#20
Venexia M Walker, George Davey Smith, Neil M Davies, Richard M Martin
Identification of unintended drug effects, specifically drug repurposing opportunities and adverse drug events, maximizes the benefit of a drug and protects the health of patients. However, current observational research methods are subject to several biases. These include confounding by indication, reverse causality and missing data. We propose that Mendelian randomization (MR) offers a novel approach for the prediction of unintended drug effects. In particular, we advocate the synthesis of evidence from this method and other approaches, in the spirit of triangulation, to improve causal inferences concerning drug effects...
October 11, 2017: International Journal of Epidemiology
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