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https://www.readbyqxmd.com/read/28634574/reducing-viability-bias-in-analysis-of-gut-microbiota-in-preterm-infants-at-risk-of-nec-and-sepsis
#1
Gregory R Young, Darren L Smith, Nicholas D Embleton, Janet E Berrington, Edward C Schwalbe, Stephen P Cummings, Christopher J van der Gast, Clare Lanyon
Necrotising enterocolitis (NEC) and sepsis are serious diseases of preterm infants that can result in feeding intolerance, the need for bowel resection, impaired physiological and neurological development, and high mortality rates. Neonatal healthcare improvements have allowed greater survival rates in preterm infants leading to increased numbers at risk of developing NEC and sepsis. Gut bacteria play a role in protection from or propensity to these conditions and have therefore, been studied extensively using targeted 16S rRNA gene sequencing methods...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28633098/high-prevalence-of-cytomegalovirus-infection-in-surgical-intestinal-specimens-from-infants-with-necrotizing-enterocolitis-and-spontaneous-intestinal-perforation-a-retrospective-observational-study
#2
Soley Omarsdottir, Margret Agnarsdottir, Charlotte Casper, Abiel Orrego, Mireille Vanpée, Afsar Rahbar, Cecilia Söderberg-Nauclér
BACKGROUND: Necrotizing enterocolitis (NEC) is a severe, often fatal gastrointestinal emergency that predominantly affects preterm infants, and there is evidence that neonatal cytomegalovirus (CMV) infection may in some cases contribute to its pathogenesis. OBJECTIVES: This study aimed to evaluate the prevalence of CMV in infants with NEC. STUDY DESIGN: Seventy intestinal specimens from 61 infants with NEC, spontaneous intestinal perforation (SIP), or related surgical complications were collected at Karolinska University Hospital and Uppsala University Hospital, Sweden...
June 3, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28632783/transient-effects-of-transfusion-and-feeding-advances-volumetric-and-caloric-on-necrotizing-enterocolitis-development-a-case-crossover-study
#3
Vi T Le, Mark A Klebanoff, Maria M Talavera, Jonathan L Slaughter
OBJECTIVE: To evaluate the short-term effects of feed fortification, feed volume increase, and PRBC transfusion on the odds of developing NEC. STUDY DESIGN: Case-crossover study of neonatal intensive care infants born at ≤ 32 weeks' gestation who were admitted to 5 central Ohio intensive care units from January 2012-July 2016 and developed NEC Bell Stage ≥2. Each patient served as their own control, with exposure during the 48-hour period just prior to NEC onset (hazard period) being compared to a preceding 48-hour control period, thus eliminating confounding by patient factors fixed between both intervals...
2017: PloS One
https://www.readbyqxmd.com/read/28631494/a-study-on-preterm-births-during-2013-2015-shiraz-iran
#4
Elham Jaberi, Mirkazemi Roksana
Preterm birth is the leading cause of neonatal and infant mortality and a substantial portion of neonatal morbidities. The perinatal mortality and morbidity statistics in developing countries are inadequate. In this study, we assessed prevalence and health outcomes of preterm deliveries in tertiary care university hospitals. A retrospective study of hospital records of premature babies born in all the five governmental tertiary care settings during the time interval of 2013-2015 in Shiraz was conducted. Result of this study showed that there was an overall 127...
June 20, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28625498/the-impact-of-routine-evaluation-of-gastric-residual-volumes-on-the-time-to-achieve-full-enteral-feeding-in-preterm-infants
#5
Arieh Riskin, Keren Cohen, Amir Kugelman, Arina Toropine, Waseem Said, David Bader
OBJECTIVE: To evaluate the time to full enteral feedings in preterm infants after a practice change from routine evaluation of gastric residual volume before each feeding to selective evaluation of gastric residual volume , and to evaluate the impact of this change on the incidence of necrotizing enterocolitis (NEC). STUDY DESIGN: Data were collected on all gavage-fed infants born at ≤34 weeks gestational age (GA) for 2 years before (n = 239) and 2 years after the change (n = 233)...
June 15, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28624056/evaluating-the-efficacy-of-different-types-of-stem-cells-in-preserving-gut-barrier-function-in-necrotizing-enterocolitis
#6
Christopher J McCulloh, Jacob K Olson, Yijie Wang, Jennifer Vu, Sarah Gartner, Gail E Besner
BACKGROUND: Necrotizing enterocolitis (NEC) is a leading cause of morbidity and mortality in premature infants. Increased intestinal permeability is central to NEC development. We have shown that stem cells (SCs) can reduce the incidence and severity of NEC. Our current goal was to investigate the efficacy of four different types of SC in preservation of gut barrier function during NEC. MATERIALS AND METHODS: We compared (1) amniotic fluid-derived mesenchymal SC, (2) bone marrow-derived mesenchymal SC, (3) amniotic fluid-derived neural SC, and (4) enteric neural SC...
June 15, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28615539/necroptosis-as-a-potential-therapeutic-target-in-multiple-organ-dysfunction-syndrome
#7
Yao-Li Cui, Li-Hua Qiu, Shi-Yong Zhou, Lan-Fang Li, Zheng-Zi Qian, Xian-Ming Liu, Hui-Lai Zhang, Xiu-Bao Ren, Yong-Qiang Wang
PURPOSE: To investigate how necroptosisis, i.e. programmed necrosis, is involved in MODS, and to examine whether Nec-1, a specific necroptosis inhibitor, ameliorates multiorgan injury in MODS. EXPERIMENTAL DESIGN: A model of MODS was established in six-week old SD rats using fracture trauma followed by hemorrhage. Control animals received sham surgery. Cell death form and necrosome formation were measured by fluorescence-activated cell sorting and western blotting...
May 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28614987/role-of-amino-acid-supplementation-in-prevention-of-necrotizing-enterocolitis-in-preterm-neonates-a-review-of-current-evidences
#8
Bhawan Deep Garg, Nandkishor S Kabra
BACKGROUND: Necrotizing enterocolitis (NEC) is one of the most common acute and fatal gastrointestinal emergency in very low birth weight (VLBW) preterm neonates with mortality range from 15-30%. NEC is likely due to multifactorial process such as oxidative injury, ischemic necrosis and over reactive inflammatory response to intestinal microbes. AIMS: To evaluate the role of amino acid supplementation for reduction of neonatal NEC in preterm neonates. METHOD: The literature search was done for various randomized control trial (RCT) by searching the Cochrane Central Register of Controlled Trials (CENTRAL), PubMed, EMBASE, Web of Science, Scopus, Index Copernicus, African Index Medicus (AIM), Thomson Reuters (ESCI), Chemical Abstracts Service (CAS) and other data base...
June 14, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28611252/the-primary-enveloped-virion-of-herpes-simplex-virus-1-its-role-in-nuclear-egress
#9
William W Newcomb, Juan Fontana, Dennis C Winkler, Naiqian Cheng, J Bernard Heymann, Alasdair C Steven
Many viruses migrate between different cellular compartments for successive stages of assembly. The HSV-1 capsid assembles in the nucleus and then transfers into the cytoplasm. First, the capsid buds through the inner nuclear membrane, becoming coated with nuclear egress complex (NEC) protein. This yields a primary enveloped virion (PEV) whose envelope fuses with the outer nuclear membrane, releasing the capsid into the cytoplasm. We investigated the associated molecular mechanisms by isolating PEVs from US3-null-infected cells and imaging them by cryo-electron microscopy and tomography...
June 13, 2017: MBio
https://www.readbyqxmd.com/read/28610261/on-the-taxonomy-of-i-anaceratagallia-i-zachvatkin-1946-homoptera-%C3%A2-auchenorrhyncha-cicadellidae-agalliinae-of-western-kyrgyzstan
#10
Dmitri Yu Tishechkin
In Western Kyrgyzstan the genus Anaceratagallia includes four species: A. venosa (de Fourcroy, 1785), A. aciculata (Horvath, 1894), A. laevis (Ribaut, 1935) = A. acuteangulata Dubovskiy, 1966 nec Zachvatkin, 1946, and A. alabugensis Dubovskiy, 1966 = A. collicola Dubovskiy, 1966, syn. n. = A. turanica Dubovskiy, 1966, syn. n. = A. laevis Dubovskiy, 1966 nec Ribaut, 1935. Illustrated descriptions and male calling signal oscillograms for all species are given. The range of A. acuteangulata Zachvatkin, 1946 includes Italy, Greece, Turkey, and North Caucasus; records of this species from Ukraine, Kazakhstan and Central Asia are erroneous...
June 1, 2017: Zootaxa
https://www.readbyqxmd.com/read/28609990/the-palaearctic-types-of-chrysididae-insecta-hymenoptera-deposited-in-the-hungarian-natural-history-museum-budapest
#11
Paolo Rosa, Zoltán Vas, Zai-Fu Xu
A critical and annotated catalogue of the Palaearctic types of chrysidid species, subspecies and varieties deposited in the Magyar Természettudományi Múzeum is given. The lectotype of Hedychrum luculentum Förster, 1853 and the neotype of Chrysis amasina Mocsáry, 1889 are designated. Six new synonyms are proposed: Chrysis varicornis Spinola, 1838 = Chrysis cyanocoelia Mocsáry, 1889, syn. nov.; Hedychridium adventicium Zimmermann, 1962 = Hedychridium jazygicum Móczár, 1964, syn. nov.; Hedychrum cribratum Mocsáry, 1909 = Hedychrum punctigerum Mocsáry, 1909, syn...
April 11, 2017: Zootaxa
https://www.readbyqxmd.com/read/28609432/protective-effects-of-amniotic-fluid-in-the-setting-of-necrotizing-enterocolitis
#12
REVIEW
Soham Dasgupta, Sunil Kumar Jain
Necrotizing Enterocolitis (NEC) is the most common life threatening condition affecting preterm infants. NEC occurs in 1-5% of all neonatal intensive care admissions and 5-10% of very low birth weight infants. The protective role of human breast milk (BM) has been well established. It has also been shown that amniotic fluid (AF) and breast milk have many similarities in terms of presence of growth and other immune-modulatory factors. This finding led to the initial hypothesis that AF may exert similar protective effects against the development of NEC as does BM...
June 13, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28607625/hepatic-portal-venous-gas-in-children-younger-than-2-years-old-radiological-and-clinical-characteristics-in-diseases-other-than-necrotizing-enterocolitis
#13
Marzena Barczuk-Falęcka, Przemysław Bombiński, Zofia Majkowska, Michał Brzewski, Stanisław Warchoł
BACKGROUND: Hepatic portal venous gas (HPVG) is a rare imaging finding in children. It can be an important manifestation of severe diseases such as necrotizing enterocolitis (NEC) in neonates or bowel wall rupture in older children. However, there are many other diseases presenting with HPVG that do not necessarily require a surgical intervention. CASE REPORT: In the period between 2011-2015, there were 12 cases of HPVG in children aged up to 24 months in our hospital...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28605861/sensitivity-of-the-glochidia-larvae-of-freshwater-mussels-bivalvia-unionida-hyriidae-to-cadmium-cobalt-copper-lead-nickel-and-zinc-differences-between-metals-species-and-exposure-time
#14
Scott J Markich
Freshwater mussels (Bivalvia: Unionida) are among the most threatened freshwater faunal groups worldwide. Metal contamination is one threat that has been linked to declining mussel population distribution and abundance. This study determined the sensitivity (valve closure) of the glochidia (larvae) of six species of Australian freshwater mussels to cadmium (Cd), cobalt (Co), copper (Cu), lead (Pb), nickel (Ni) and zinc (Zn), key metal contaminants impacting urbanized coastal rivers in south-eastern Australia (home to ~50% of the population), in a soft reconstituted freshwater (hardness 42mgCaCO3L(-1); alkalinity 22mgCaCO3L(-1) and pH7...
June 8, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28601308/red-blood-cell-transfusion-in-premature-infants-leads-to-worse-necrotizing-enterocolitis-outcomes
#15
Kellie E Cunningham, Frances C Okolo, Robyn Baker, Kevin P Mollen, Misty Good
BACKGROUND: Necrotizing enterocolitis (NEC) is a severe intestinal disease of premature infants with high mortality. Studies suggest a causative relationship between red blood cell (RBC) transfusion and NEC; however, whether RBC transfusion leads to worse outcomes in NEC is unknown. We sought to determine whether RBC transfusion was associated with an increased risk of surgical NEC and mortality. METHODS: In this retrospective study, 115 patients were enrolled with NEC Bell's stage 2A or greater from 2010-2015...
June 1, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28601030/aggressive-gastrointestinal-food-allergy-in-neonates-and-its-possible-relationship-to-necrotizing-enterocolitis
#16
Kazuto Suda, Toshihiro Yanai, Miki Toma, Tsubasa Aiyoshi, Takato Sasaki, Toshihiro Muraji
INTRODUCTION: The incidence of gastrointestinal food allergy (FA) in neonates is increasing. Despite this, cases of patients with gastrointestinal FA who develop necrotizing enterocolitis (NEC) requiring laparotomy are extremely rare. PRESENTATION OF CASE: We describe two cases that presented with bloody stool with a probable diagnosis of FA as eosinophils were positive in the stool at onset. Both cases failed conservative treatment. Jejunostomy and ileostomy were performed in both cases due to secondary NEC with underlying acute FA...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28598818/the-impact-of-pathologic-differentiation-well-poorly-and-the-degree-of-ki-67-index-in-patients-with-metastatic-who-grade-3-gep-necs
#17
Hee Kyung Kim, Sang Yun Ha, Jeeyun Lee, Se Hoon Park, Joon Oh Park, Ho Yeong Lim, Won Ki Kang, Young Suk Park, Seung Tae Kim
We investigated the impact of pathologic differentiation (well or poorly differentiated) in metastatic grade 3 GEP-NEC patients receiving etoposide and platinum (EP)-based therapy, and evaluated a more exact Ki67 index cut-off point to select patients with grade 3 GEP-NEC who might benefit from EP-based therapy. A total of 31 patients with metastatic grade 3 GEP-NECs receiving EP-based therapy were included in this study. Primary sites included 13 foregut-derived GEP-NECs [stomach (n = 4), duodenum (n = 4), and pancreas (n = 5)] and 2 hindgut-derived GEP-NECs of the rectum...
May 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28591817/efficacy-of-radiotherapy-for-primary-tumor-in-patients-with-unresectable-pancreatic-neuroendocrine-tumors
#18
Tomoyuki Iwata, Hideki Ueno, Jun Itami, Yoshinori Ito, Koji Inaba, Chigusa Morizane, Shunsuke Kondo, Yasunari Sakamoto, Satoshi Shiba, Mitsuhito Sasaki, Futa Koga, Takuji Okusaka
Background: Detailed information regarding the clinical efficacy of radiotherapy (RT) for primary tumor in patients with unresectable pancreatic neuroendocrine tumors (pNETs) is unknown. We therefore performed a retrospective study to evaluate the efficacy and safety of RT for primary pancreatic tumors in patients with pNETs. Methods: We investigated 11 patients with pNETs who received RT to the primary site between January 1997 and June 2015. Seven patients had Grade 2 neuroendocrine tumors (NET-G2) and four had neuroendocrine carcinoma (NEC) according to the 2010 WHO histopathological classification...
June 7, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28582450/spontaneous-low-frequency-bold-signal-variations-from-resting-state-fmri-are-decreased-in-alzheimer-disease
#19
Samaneh Kazemifar, Kathryn Y Manning, Nagalingam Rajakumar, Francisco A Gómez, Andrea Soddu, Michael J Borrie, Ravi S Menon, Robert Bartha
Previous studies have demonstrated altered brain activity in Alzheimer's disease using task based functional MRI (fMRI), network based resting-state fMRI, and glucose metabolism from 18F fluorodeoxyglucose-PET (FDG-PET). Our goal was to define a novel indicator of neuronal activity based on a first-order textural feature of the resting state functional MRI (RS-fMRI) signal. Furthermore, we examined the association between this neuronal activity metric and glucose metabolism from 18F FDG-PET. We studied 15 normal elderly controls (NEC) and 15 probable Alzheimer disease (AD) subjects from the AD Neuroimaging Initiative...
2017: PloS One
https://www.readbyqxmd.com/read/28579326/rip1-rip3-drp1-pathway-regulates-nlrp3-inflammasome-activation-following-subarachnoid-hemorrhage
#20
Keren Zhou, Ligen Shi, Zhen Wang, Jingyi Zhou, Anatol Manaenko, Cesar Reis, Sheng Chen, Jianmin Zhang
The NLRP3 inflammasome functions as a crucial component of the inflammatory response in early brain injury (EBI) after subarachnoid hemorrhage (SAH). However, the mechanisms underlying the activation of NLRP3 inflammasome has not been well elucidated. In this study, we hypothesized the RIP1-RIP3-DRP1 pathway was involved in the activation of the NLRP3 inflammasome following SAH. SAH was induced by endovascular perforation in rats. Necrostatin-1 (Nec-1) or mitochondrial division inhibitor (Mdivi-1) was administered 1h after SAH by intraperitoneal injection...
June 2, 2017: Experimental Neurology
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