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https://www.readbyqxmd.com/read/29148719/effect-of-antigen-retrieval-methods-on-non-specific-binding-of-anti-body-metal-nanoparticle-conjugates-on-ffpe-tissue
#1
Yuying Zhang, Xinping Wang, Sven Perner, Ágnes Bánkfalvi, Sebastian Schlücker
Immunohistochemical analysis of FFPE tissues provides important diagnostic and prognostic information in pathology. Metal nanoparticles (NPs) and in particular surface-enhanced Raman scattering (SERS) nanotags as a new class of labelling reagents are promising to be used for multiplexed protein profiling on tissue sections. However, non-specific binding of NPs onto the tissue specimens greatly hampers their clinical applications. In this study, we found that the antigen retrieval method strongly influences the extent of non-specific binding of the antibody-SERS NP conjugates to the tissue...
November 17, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29145693/early-erythropoiesis-stimulating-agents-in-preterm-or-low-birth-weight-infants
#2
REVIEW
Arne Ohlsson, Sanjay M Aher
BACKGROUND: Preterm infants have low plasma levels of erythropoietin (EPO), providing a rationale for the use of erythropoiesis-stimulating agents (ESAs) to prevent or treat anaemia and to provide neuro protection and protection against necrotising enterocolitis (NEC). Darbepoetin (Darbe) and EPO are currently available ESAs. OBJECTIVES: To assess the effectiveness and safety of ESAs (erythropoietin (EPO) and/or Darbe) initiated early (before eight days after birth) compared with placebo or no intervention in reducing red blood cell (RBC) transfusions, adverse neurological outcomes, and feeding intolerance including necrotising enterocolitis (NEC) in preterm and/or low birth weight infants...
November 16, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29137607/improved-referral-and-survival-of-newborns-after-scaling-up-of-intensive-care-in-suriname
#3
Rens Zonneveld, Natanael Holband, Anna Bertolini, Francesca Bardi, Neirude P A Lissone, Peter H Dijk, Frans B Plötz, Amadu Juliana
BACKGROUND: Scaling up neonatal care facilities in developing countries can improve survival of newborns. Recently, the only tertiary neonatal care facility in Suriname transitioned to a modern environment in which interventions to improve intensive care were performed. This study evaluates impact of this transition on referral pattern and outcomes of newborns. METHODS: A retrospective chart study amongst newborns admitted to the facility was performed and outcomes of newborns between two 9-month periods before and after the transition in March 2015 were compared...
November 14, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/29131241/insulin-like-growth-factor-i-reduces-the-occurrence-of-necrotizing-enterocolitis-by-reducing-inflammatory-response-and-protecting-intestinal-mucosal-barrier-in-neonatal-rats-model
#4
F Tian, G-R Liu, N Li, G Yuan
OBJECTIVE: To observe the effect of enteral supplement of insulin-like growth factor I (IGF-1) on dynamic changes of TLR4, NF-κB, IL-6, SIgA and MUC2 in intestinal tissues of neonatal rats, and to investigate the protective effects and possible mechanisms of IGF-1 on necrotizing enterocolitis (NEC). MATERIALS AND METHODS: Specific pathogen free (SPF) neonatal Sprague Dawley (SD) rats aged 3 days old were randomly divided into 3 groups, namely, normal control group, NEC model group and IGF-1 intervention group...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29128874/the-initial-prophylactic-antibiotic-usage-and-subsequent-necrotizing-enterocolitis-in-high-risk-premature-infants-a-systematic-review-and-meta-analysis
#5
Xue Fan, Li Zhang, Jun Tang, Chao Chen, Juan Chen, Yi Qu, Dezhi Mu
OBJECTIVE: To investigate the correlation between the initial prophylactic antibiotic use and the subsequent NEC in high-risk premature infants. METHODS: We performed a literature search of PubMed, EMBASE, the Cochrane Central Register of Controlled Trials (CENTRAL), and the Web of Science, and nine studies with a total of 5207 infants were selected for inclusion in this study. RESULTS: The pooled estimate for the seven studies combined indicating that prophylactic antibiotic usage was associated with a non-significant trend toward increased incidence of NEC [odds ratio (OR) 0...
November 11, 2017: Pediatric Surgery International
https://www.readbyqxmd.com/read/29124935/enzymatic-and-chemoenzymatic-syntheses-of-disialyl-glycans-and-their-necrotizing-enterocolitis-preventing-effects
#6
Hai Yu, Xuebin Yan, Chloe A Autran, Yanhong Li, Sabrina Etzold, Joanna Latasiewicz, Bianca M Robertson, Jiaming Li, Lars Bode, Xi Chen
Necrotizing enterocolitis (NEC) is one of the most common and devastating intestinal disorders in preterm infants. Therapies to meet the clinical needs for this special and highly vulnerable population are extremely limited. A specific human milk oligosaccharide (HMO), disialyllacto-N-tetraose (DSLNT), was shown to contribute to the beneficial effects of breastfeeding as it prevented NEC in a neonatal rat model and was associated with lower NEC risk in a human clinical cohort study. Herein, gram-scale synthesis of two DSLNT analogs previously shown to have NEC preventing effect is described...
November 10, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/29123285/thousands-flock-to-the-nec
#7
(no author information available yet)
No abstract text is available yet for this article.
November 10, 2017: British Dental Journal
https://www.readbyqxmd.com/read/29112960/expression-of-p53-protein-in-high-grade-gastroenteropancreatic-neuroendocrine-carcinoma
#8
Abir Salwa Ali, Malin Grönberg, Birgitte Federspiel, Jean-Yves Scoazec, Geir Olav Hjortland, Henning Grønbæk, Morten Ladekarl, Seppo W Langer, Staffan Welin, Lene Weber Vestermark, Johanna Arola, Pia Österlund, Ulrich Knigge, Halfdan Sorbye, Lars Grimelius, Eva Tiensuu Janson
BACKGROUND: Gastroenteropancreatic neuroendocrine carcinomas (GEP-NECs) are aggressive, rapidly proliferating tumors. Therapeutic response to current chemotherapy regimens is usually short lasting. The aim of this study was to examine the expression and potential clinical importance of immunoreactive p53 protein in GEP-NEC. MATERIALS AND METHODS: Tumor tissues from 124 GEP-NEC patients with locally advanced or metastatic disease treated with platinum-based chemotherapy were collected from Nordic centers and clinical data were obtained from the Nordic NEC register...
2017: PloS One
https://www.readbyqxmd.com/read/29111080/morbidity-and-mortality-among-big-babies-who-develop-necrotizing-enterocolitis-a-prospective-multicenter-cohort-analysis
#9
Cristine S Velazco, Brenna S Fullerton, Charles R Hong, Kate A Morrow, Erika M Edwards, Roger F Soll, Tom Jaksic, Jeffrey D Horbar, Biren P Modi
BACKGROUND: Necrotizing enterocolitis (NEC) is classically a disease of prematurity, with less reported regarding morbidity and mortality of this disease among other infants. METHODS: Data were prospectively collected from 2009 to 2015 at 252 Vermont Oxford Network member centers on neonates with birth weight>2500g admitted to a participating NICU within 28days of birth. RESULTS: Of 1629 neonates with NEC, gestational age was 37 (36, 39) weeks, and 45% had major congenital anomalies, most commonly gastrointestinal defects (20%), congenital heart defects (18%), and chromosomal anomalies (7%)...
October 12, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29108282/igf-iec-expression-is-increased-in-secondary-compared-to-primary-foci-in-neuroendocrine-neoplasms
#10
Krystallenia I Alexandraki, Anastassios Philippou, Georgios Boutzios, Irini Theohari, Michael Koutsilieris, Ioanna Kassiani Delladetsima, Gregory A Kaltsas
Different Insulin-like growth factor-I (IGF-I) mRNA transcripts are produced by alternative splicing and particularly the IGF-IEc isoform has been implicated in the development and/or progression of various types of cancer. In the present study, we examined the potential role of IGF-IEc expression as a new immunohistochemical marker of aggressiveness in neuroendocrine neoplasms (NENs). We utilized immunohistochemical analysis in tissue specimens of 47 patients with NENs, to evaluate the expression of IGF-IEc (%) and Ki-67 proliferation index (%)...
October 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29104146/mlkl-pitp%C3%AE-signaling-mediated-necroptosis-contributes-to-cisplatin-triggered-cell-death-in-lung-cancer-a549-cells
#11
Lin Jing, Fei Song, Zhenyu Liu, Jianghua Li, Bo Wu, Zhiguang Fu, Jianli Jiang, Zhinan Chen
Necroptosis has been reported to be involved in cisplatin-induced cell death, but the mechanisms underlying the occurrence of necroptosis are not fully elucidated. In this study, we show that apart from apoptosis, cisplatin induces necroptosis in A549 cells. The alleviation of cell death by two necroptosis inhibitors-necrostatin-1 (Nec-1) and necrosulfonamide (NSA), and the phosphorylation of mixed lineage kinase domain-like protein (MLKL) at serine 358, suggest the involvement of receptor-interacting protein kinase 1 (RIPK1)-RIPK3-MLKL signaling in cisplatin-treated A549 cells...
November 2, 2017: Cancer Letters
https://www.readbyqxmd.com/read/29103747/the-clinicopathological-spectrum-of-olfactory-neuroblastoma-and-sinonasal-neuroendocrine-neoplasms-refinements-in-diagnostic-criteria-and-impact-of-multimodal-treatments-on-survival
#12
Mario Turri-Zanoni, Roberta Maragliano, Paolo Battaglia, Marta Giovannardi, Paolo Antognoni, Davide Lombardi, Maria Laura Morassi, Ernesto Pasquini, Paolo Tarchini, Sofia Asioli, Maria Pia Foschini, Fausto Sessa, Piero Nicolai, Paolo Castelnuovo, Stefano La Rosa
OBJECTIVES: To provide a comprehensive review of the clinical and histopathological features of olfactory neuroblastoma (ONB) and other sinonasal neuroendocrine neoplasms (NENs), in order to refine diagnostic criteria, analyze treatment outcomes, and identify prognostic factors. METHODS: Data from an Italian multi-institutional database were analyzed. Patients were treated surgically via a minimally-invasive endoscopic approach followed by adjuvant radiotherapy or radiochemotherapy...
November 2017: Oral Oncology
https://www.readbyqxmd.com/read/29102662/rip1k-contributes-to-neuronal-and-astrocytic-cell-death-in-ischemic-stroke-via-activating-autophagic-lysosomal-pathway
#13
Yong Ni, Wei-Wei Gu, Zhi-He Liu, Yong-Ming Zhu, Jia-Guo Rong, Thomas A Kent, Min Li, Shi-Gang Qiao, Jian-Zhong An, Hui-Ling Zhang
Although the receptor-interacting protein 1 kinase (RIP1K)-regulated necroptosis can be evoked by cerebral ischemia, the effects of RIP1K in mediating neuronal and astrocytic cell death and the underlying mechanisms remain poorly understood. This study evaluates the contribution of RIP1K to ischemic stroke-induced neuronal and astrocytic cell death, and the activation of autophagic-lysosomal pathway. Using an in vitro oxygen and glucose deprivation (OGD) in primary cultured neurons or astrocytes and a permanent middle cerebral artery occlusion (pMCAO) model in rats or mice, we observed the role of RIP1K in the ischemic neuronal and astrocytic cell death and the underlying mechanisms by pharmacological or genetic inhibition of RIP1K...
November 8, 2017: Neuroscience
https://www.readbyqxmd.com/read/29096567/risk-factors-for-necrotizing-enterocolitis-in-very-preterm-infants-a-case-control-study-in-southwest-china
#14
Ling-Ping Zhang, Xiao-Ping Lei, Li-Juan Luo, Wen-Bin Dong
OBJECTIVE: The objective of this study is to investigate perinatal risk factors for necrotizing enterocolitis (NEC) in very preterm infants. METHODS: This retrospective study included all preterm infants with a gestational age <32 weeks attending our institution from 2013 to 2016. The NEC group comprised patients with NEC enrolled according to the inclusion criteria. Controls were selected from the database and were matched for gender, gestational age, and birth weight...
November 2, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29095432/pregnancy-induced-hypertension-and-neonatal-outcomes-a-systematic-review-and-meta-analysis
#15
A Razak, A Florendo-Chin, L Banfield, M G Abdul Wahab, S McDonald, P S Shah, A Mukerji
OBJECTIVE: Pregnancy-induced hypertension (PIH) is associated with preterm delivery but its independent impact on neonatal outcomes remains unclear. We sought to systematically review and meta-analyze clinical outcomes of preterm infants <37 weeks' gestation born to mothers with and without PIH. STUDY DESIGN: Medline, Embase, PsychINFO and CINAHL were searched from January 2000 to October 2016. Studies with low-moderate risk of bias reporting neonatal outcomes based on PIH as primary exposure variable were included...
November 2, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/29092912/one-year-outcomes-following-surgery-for-necrotising-enterocolitis-a-uk-wide-cohort-study
#16
Benjamin Saul Raywood Allin, Anna-May Long, Amit Gupta, Kokila Lakhoo, Marian Knight
OBJECTIVE: The objective was to describe outcomes and investigate factors affecting prognosis at 1 year post intervention for infants with surgical necrotising enterocolitis (NEC). DESIGN: Using the British Association of Paediatric Surgeons Congenital Anomalies Surveillance System, we conducted a prospective, multicentre cohort study of every infant reported to require surgical intervention for NEC in the UK and Ireland between 1 March 2013 and 28 February 2014...
November 1, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/29091782/ante-peri-and-postnatal-factors-associated-with-intraventricular-hemorrhage-in-very-premature-infants
#17
Martin Poryo, Judith Caroline Boeckh, Ludwig Gortner, Michael Zemlin, Perrine Duppré, Daniel Ebrahimi-Fakhari, Stefan Wagenpfeil, Matthias Heckmann, Eva Mildenberger, Anne Hilgendorff, Andreas W Flemmer, Georg Frey, Sascha Meyer
BACKGROUND: Intraventricular hemorrhage (IVH) is one of the most serious complications in preterm infants and is associated with neurological sequelae and mortality. Over the past few decades, the rate of IVH has decreased due to improved neonatal intensive care. However, up to 15-25% of very and extremely premature infants (<32 and <28weeks of pregnancy (WOP) respectively) still suffer from IVH. STUDY PURPOSE: The aim of this study was to perform an updated, multicenter analysis to identify ante-, peri, and postnatal factors other than gestational age/birth weight associated with IVH of any grade in a large cohort of very and extremely premature infants...
October 26, 2017: Early Human Development
https://www.readbyqxmd.com/read/29089704/neonatal-gastrointestinal-perforations-the-10-year-experience-of-a-reference-hospital
#18
Mehmet Saraç, Ünal Bakal, Mustafa Aydın, Tugay Tartar, Aysen Orman, Erdal Taşkın, Şenay Canpolat, Ahmet Kazez
The aim of this study was to present our experiences with, as well as the factors that affect, the treatment and outcome of patients with neonatal gastrointestinal perforations (GIPs). Thirty-eight newborn cases that were operated on for GIP in our hospital's tertiary newborn intensive care unit between January 2005 and December 2015 were retrospectively evaluated. The patients were divided into the two following groups: group 1, perforations related to necrotizing enterocolitis (NEC), and group 2, non-NEC perforations...
October 2017: Indian Journal of Surgery
https://www.readbyqxmd.com/read/29083075/natural-enamel-caries-in-quinoline-volumetric-data-and-the-pattern-of-infiltration
#19
Camila Santos de Mattos Brito, Kássia Regina Simões Meira, Frederico Barbosa de Sousa
This study aimed to test the hypotheses that (i) a parameter related to permeability, αd (ratio of squared water volume by the nonmineral volume) is, among all major component volumes (mineral, water, and organic volumes) the best predictor of quinoline infiltration in natural enamel caries (NEC), and (ii) the pore volume fraction infiltrated by quinoline (Vqui ) in NEC is much lower than previous estimates that neglected water and organic enamel volumes. Mineral and nonmineral volumes and αd were measured at 341 histological points (from 20 approximal NEC lesions), and transport of quinoline was tracked by orientation-independent polarizing microscopy...
October 30, 2017: Microscopy Research and Technique
https://www.readbyqxmd.com/read/29082059/primary-neuroendocrine-breast-carcinoma-in-a-13-year-old-girl-ultrasonography-and-pathology-findings
#20
Mazamaesso Tchaou, Tchin Darré, Koué Folligan, Akomola Sabi, Lantam Sonhaye, Azanledji Boumé, Akila Bassowa, Solange Adani-Ifé, Gado Napo-Koura
Neuroendocrine carcinoma (NEC) of the breast is a rare disease and has been scarcely reported by African authors. The authors report a case of breast NEC in a 13-year-old African girl initially diagnosed as an atypical adenofibroma by ultrasonography. Ultrasound-guided biopsy and conventional histological examination indicated two potential diagnoses: primary malignant non-Hodgkin's lymphoma and undifferentiated carcinoma. According to immunohistochemistry performed on paraffin blocks in France, infiltrating ductal carcinoma with a strong neuroendocrine component was confirmed by CD56, CD57, and chromogranin A markers...
2017: Case Reports in Radiology
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