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https://www.readbyqxmd.com/read/28818050/administration-of-two-probiotic-strains-during-early-childhood-does-not-affect-the-endogenous-gut-microbiota-composition-despite-probiotic-proliferation
#1
Martin Frederik Laursen, Rikke Pilmann Laursen, Anni Larnkjær, Kim F Michaelsen, Martin Iain Bahl, Tine Rask Licht
BACKGROUND: Probiotics are increasingly applied to prevent and treat a range of infectious, immune related and gastrointestinal diseases. Despite this, the mechanisms behind the putative effects of probiotics are poorly understood. One of the suggested modes of probiotic action is modulation of the endogenous gut microbiota, however probiotic intervention studies in adults have failed to show significant effects on gut microbiota composition. The gut microbiota of young children is known to be unstable and more responsive to external factors than that of adults...
August 17, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28816956/differential-diagnosis-of-posterior-fossa-brain-tumors-multiple-discriminant-analysis-of-tl-spect-and-fdg-pet
#2
Moritaka Yamauchi, Tomohisa Okada, Tsutomu Okada, Akira Yamamoto, Yasutaka Fushimi, Yoshiki Arakawa, Susumu Miyamoto, Kaori Togashi
This study investigated the combined capability of thallium-201 (Tl)-SPECT and fluorine-18-fluoro-deoxy-glucose (FDG)-PET for differential diagnosis of posterior fossa brain tumors using multiple discriminant analysis.This retrospective study was conducted under approval of the institutional review board. In the hospital information system, 27 patients with posterior fossa intra-axial tumor between January 2009 and June 2015 were enrolled and grouped as the following 7 entities: low grade glioma (LGG) 6, anaplastic astrocytoma (AA) 2, glioblastoma (GBM) 3, medulloblastoma (MB) 3, hemangioblastoma (HB) 6, metastatic tumor (Mets) 3, and malignant lymphoma (ML) 4...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28808787/malignant-transformation-of-a-conservatively-managed-incidental-childhood-cerebral-mass-lesion-controversy-regarding-management-paradigm
#3
Jehuda Soleman, Jonathan Roth, Zvi Ram, Michal Yalon, Shlomi Constantini
BACKGROUND: Incidental findings on neuroimaging in the pediatric population are an emerging treatment challenge. Treatment options for these incidental childhood brain mass lesions, which radiologically may be assumed to be low-grade gliomas (LGG), vary, ranging from careful conservative "wait and scan" treatment to surgical biopsy, gross total resection, and upfront radiation and/or chemotherapy. As malignant transformation of LGG in children is extremely rare, some series advocate careful conservative management of these lesions; however, universal treatment protocols are not totally agreed upon...
August 14, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28770173/oral-administration-of-lactobacillus-rhamnosus-gg-ameliorates-salmonella-infantis-induced-inflammation-in-a-pig-model-via-activation-of-the-il-22bp-il-22-stat3-pathway
#4
Gui-Yan Yang, Jiao Yu, Jin-Hui Su, Lian-Guo Jiao, Xiao Liu, Yao-Hong Zhu
The high rate of Salmonella enterica serovar Infantis (S. Infantis) infection poses significant risk for the development of non-typhoidal Salmonella gastroenteritis. However, efficient strategies to prevent or treat the infection remain elusive. Here, we explored the effect of the probiotic Lactobacillus rhamnosus GG (LGG) administration in preventing S. Infantis infection in a pig model. Probiotic LGG (1.0 × 10(10) CFU/day) was orally administered to newly weaned piglets for 1 week before S. Infantis challenge...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28768910/sexual-dimorphism-in-glioma-glycolysis-underlies-sex-differences-in-survival
#5
Joseph E Ippolito, Aldrin Kay-Yuen Yim, Jingqin Luo, Prakash Chinnaiyan, Joshua B Rubin
The molecular bases for sex differences in cancer remain undefined and how to incorporate them into risk stratification remains undetermined. Given sex differences in metabolism and the inverse correlation between fluorodeoxyglucose (FDG) uptake and survival, we hypothesized that glycolytic phenotyping would improve glioma subtyping. Using retrospectively acquired lower-grade glioma (LGG) transcriptome data from The Cancer Genome Atlas (TCGA), we discovered male-specific decreased survival resulting from glycolytic gene overexpression...
August 3, 2017: JCI Insight
https://www.readbyqxmd.com/read/28765641/hypomethylation-of-cntfr%C3%AE-is-associated-with-proliferation-and-poor-prognosis-in-lower-grade-gliomas
#6
Kun Fan, Xiaowen Wang, Jingwen Zhang, Romela Irene Ramos, Haibo Zhang, Chunjie Li, Dan Ye, Jiansheng Kang, Diego M Marzese, Dave S B Hoon, Wei Hua
Ciliary neurotrophic factor receptor α subunit (CNTFRα) and CNTF play important roles in neuron survival, glial differentiation and brain tumor growth. However, the molecular mechanisms of CNTFRα regulation and its clinical significance in glioma remain largely unknown. Here, we found CNTFRα was overexpressed in lower grade gliomas (LGG) compared with glioblastoma (GBM) and normal brain specimens in TCGA datasets and in an independent cohort. Bioinformatics analysis revealed a CpG shore of the CNTFRα gene regulated its mRNA expression in TCGA datasets...
August 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28753043/the-impact-of-storage-conditions-on-the-stability-of-lactobacillus-rhamnosus-gg-and-bifidobacterium-animalis-subsp-lactis-bb12-in-human-milk
#7
Anastasia Mantziari, Juhani Aakko, Himanshu Kumar, Satu Tölkkö, Elloise du Toit, Seppo Salminen, Erika Isolauri, Samuli Rautava
Human milk is the optimal source of complete nutrition for neonates and it also guides the development of infant gut microbiota. Importantly, human milk can be supplemented with probiotics to complement the health benefits of breastfeeding. Storage of human milk for limited periods of time is often unavoidable, but little is known about the effect of different storage conditions (temperature) on the viability of the added probiotics. Therefore, in this study, we evaluated how different storage conditions affect the viability of two specific widely used probiotics, Lactobacillus rhamnosus GG (LGG) and Bifidobacterium animalis subsp...
July 28, 2017: Breastfeeding Medicine: the Official Journal of the Academy of Breastfeeding Medicine
https://www.readbyqxmd.com/read/28752498/pseudoprogression-in-pediatric-low-grade-glioma-after-irradiation
#8
Derek S Tsang, Erin S Murphy, John T Lucas, Pagona Lagiou, Sahaja Acharya, Thomas E Merchant
This study aimed to assess the incidence and management of pseudoprogression after radiation therapy (RT) in patients with pediatric low-grade glioma (LGG). This retrospective review included patients aged 21 years or younger with intracranial LGG treated with curative-intent RT. Pseudoprogression was defined as an increase in tumor size by ≥10% in at least two dimensions between two and three consecutive MR imaging studies. Overall survival (OS) and event-free survival (EFS) were measured from the first day of RT...
July 27, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28717417/analysis-of-extracellular-rna-in-cerebrospinal-fluid
#9
Julie A Saugstad, Theresa A Lusardi, Kendall R Van Keuren-Jensen, Jay I Phillips, Babett Lind, Christina A Harrington, Trevor J McFarland, Amanda L Courtright, Rebecca A Reiman, Ashish S Yeri, M Yashar S Kalani, P David Adelson, Jorge Arango, John P Nolan, Erika Duggan, Karen Messer, Johnny C Akers, Douglas R Galasko, Joseph F Quinn, Bob S Carter, Fred H Hochberg
We examined the extracellular vesicle (EV) and RNA composition of pooled normal cerebrospinal fluid (CSF) samples and CSF from five major neurological disorders: Alzheimer's disease (AD), Parkinson's disease (PD), low-grade glioma (LGG), glioblastoma multiforme (GBM), and subarachnoid haemorrhage (SAH), representing neurodegenerative disease, cancer, and severe acute brain injury. We evaluated: (I) size and quantity of EVs by nanoparticle tracking analysis (NTA) and vesicle flow cytometry (VFC), (II) RNA yield and purity using four RNA isolation kits, (III) replication of RNA yields within and between laboratories, and (IV) composition of total and EV RNAs by reverse transcription-quantitative polymerase chain reaction (RT-qPCR) and RNA sequencing (RNASeq)...
2017: Journal of Extracellular Vesicles
https://www.readbyqxmd.com/read/28708330/mortality-in-children-with-low-grade-glioma-or-glioneuronal-tumors-a-single-institution-study
#10
Santhosh A Upadhyaya, Yahya Ghazwani, Shengjie Wu, Alberto Broniscer, Fredrick A Boop, Amar Gajjar, Ibrahim Qaddoumi
BACKGROUND: While pediatric low-grade glioma/glioneuronal tumors (LGG/LGGNTs) are considered slow-growing, indolent tumors with excellent long-term prognosis, mortality due to the disease is not unknown. Few studies have addressed the cause of death in this population. METHODS: Retrospective review of clinicopathologic and radiologic data for children 21 years or younger with LGG/LGGNT who died at St. Jude Children's Research Hospital between April 1985 and June 2015...
July 14, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28678821/a-casein-hydrolysate-based-formulation-attenuates-obesity-and-associated-non-alcoholic-fatty-liver-disease-and-atherosclerosis-in-ldlr-leiden-mice
#11
Marieke H Schoemaker, Robert Kleemann, Martine C Morrison, Joanne Verheij, Kanita Salic, Eric A F van Tol, Teake Kooistra, Peter Y Wielinga
BACKGROUND: Obesity frequently associates with the development of non-alcoholic fatty liver disease (NAFLD) and atherosclerosis. Chronic inflammation in white adipose tissue (WAT) seems to be an important driver of these manifestations. OBJECTIVE: This study investigated a combination of an extensively hydrolyzed casein (eHC), docosahexaenoic acid (DHA), arachidonic acid (ARA), and Lactobacillus Rhamnosus GG (LGG) (together referred to as nutritional ingredients, NI) on the development of obesity, metabolic risk factors, WAT inflammation, NAFLD and atherosclerosis in high-fat diet-fed LDLr-/-...
2017: PloS One
https://www.readbyqxmd.com/read/28675140/spatiotemporal-regulation-of-autophagy-during-caenorhabditis-elegans-aging
#12
Jessica T Chang, Caroline Kumsta, Andrew B Hellman, Linnea M Adams, Malene Hansen
Autophagy has been linked to longevity in many species, but the underlying mechanisms are unclear. Using a GFP-tagged and a new tandem-tagged Atg8/LGG-1 reporter, we quantified autophagic vesicles and performed autophagic flux assays in multiple tissues of wild-type Caenorhabditis elegans and long-lived daf-2/insulin/IGF-1 and glp-1/Notch mutants throughout adulthood. Our data are consistent with an age-related decline in autophagic activity in the intestine, body-wall muscle, pharynx, and neurons of wild-type animals...
July 4, 2017: ELife
https://www.readbyqxmd.com/read/28670908/effects-of-lactobacillus-rhamnosus-gg-on-the-maturation-and-differentiation-of-dendritic-cells-in-rotavirus-infected-mice
#13
Y Jiang, L Ye, Y Cui, G Yang, W Yang, J Wang, J Hu, W Gu, C Shi, H Huang, C Wang
Rotavirus-related diarrhoea is considered one of the most important diseases in field animal production. In addition to the classic vaccine strategy, a number of studies have utilised probiotics, such as Lactobacillus rhamnosus GG (LGG), to prevent rotavirus-induced diarrhoea. Although it has been partially revealed that Toll-like receptors (TLRs) are involved in the LGG-mediated protection against rotavirus infection, the details of the underlying immunologic mechanisms remain largely unknown. In this study, three-to-four-week-old female BALB/c mice were divided into three groups and orally administered phosphate buffered saline (PBS), PBS plus rotavirus or LGG plus rotavirus, respectively...
July 3, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28666368/cost-effectiveness-of-radiation-and-chemotherapy-for-high-risk-low-grade-glioma
#14
Yushen Qian, Satoshi Maruyama, Haju Kim, Erqi L Pollom, Kiran A Kumar, Alexander L Chin, Jeremy P Harris, Daniel T Chang, Allison Pitt, Eran Bendavid, Douglas K Owens, Ben Y Durkee, Scott G Soltys
BACKGROUND: The addition of PCV (procarbazine, lomustine, vincristine) chemotherapy to radiotherapy (RT) for patients with high-risk (≥ 40 years old or sub-totally resected) low-grade glioma (LGG) results in an absolute median survival benefit of over 5 years. We evaluated the cost-effectiveness of this treatment strategy. METHODS: A decision tree with an integrated three-state Markov model was created to follow patients with high risk LGG after surgery treated with RT vs...
June 28, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28659890/pre-cultivation-with-selected-prebiotics-enhances-the-survival-and-the-stress-response-of-lactobacillus-rhamnosus-strains-in-simulated-gastrointestinal-transit
#15
Mariantonietta Succi, Patrizio Tremonte, Gianfranco Pannella, Luca Tipaldi, Autilia Cozzolino, Rossana Romaniello, Elena Sorrentino, Raffaele Coppola
In our study, we dwelled upon combinations of lactobacilli/prebiotics, considering four different strains belonging to the Lactobacillus rhamnosus species, including Lactobacillus rhamnosus GG (LGG), and different prebiotics often found in commercial synbiotic products, such as inulin, lactulose and polyols mannitol and sorbitol. In the first step of the research, the survival, the growth kinetic parameters and the protein expression of Lb. rhamnosus strains cultivated in presence of the different prebiotics as a unique carbon source were evaluated...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28649001/a-european-randomised-controlled-trial-of-the-addition-of-etoposide-to-standard-vincristine-and-carboplatin-induction-as-part-of-an-18-month-treatment-programme-for-childhood-%C3%A2-16%C3%A2-years-low-grade-glioma%C3%A2-a-final-report
#16
Astrid K Gnekow, David A Walker, Daniela Kandels, Susan Picton, Giorgio Perilongo, Jacques Grill, Tore Stokland, Per Eric Sandstrom, Monika Warmuth-Metz, Torsten Pietsch, Felice Giangaspero, René Schmidt, Andreas Faldum, Denise Kilmartin, Angela De Paoli, Gian Luca De Salvo
BACKGROUND: The use of chemotherapy to manage newly diagnosed low grade glioma (LGG) was first introduced in the 1980s. One randomised trial has studied two- versus four-drug regimens with a duration of 12 months of treatment after resection. METHODS: Within the European comprehensive treatment strategy for childhood LGG, the International Society of Paediatric Oncology-Low Grade Glioma (SIOP LGG) Committee launched a randomised trial involving 118 institutions and 11 countries to investigate the addition of etoposide (100 mg/m(2), days 1, 2 & 3) to a four-course induction of vincristine (1...
August 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28640698/pediatric-gliomas-current-concepts-on-diagnosis-biology-and-clinical-management
#17
Dominik Sturm, Stefan M Pfister, David T W Jones
Gliomas are the most common CNS tumors in children and adolescents, and they show an extremely broad range of clinical behavior. The majority of pediatric gliomas present as benign, slow-growing lesions classified as grade I or II by the WHO classification of CNS tumors. These pediatric low-grade gliomas (LGGs) are fundamentally different from IDH-mutant LGGs occurring in adults, because they rarely undergo malignant transformation and show excellent overall survival under current treatment strategies. However, a significant fraction of gliomas develop over a short period of time and progress rapidly and are therefore classified as WHO grade III or IV high-grade gliomas (HGGs)...
July 20, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28639047/apparent-diffusion-coefficient-maps-obtained-from-high-b-value-diffusion-weighted-imaging-in-the-preoperative-evaluation-of-gliomas-at-3t-comparison-with-standard-b-value-diffusion-weighted-imaging
#18
Qiang Zeng, Fei Dong, Feina Shi, Chenhan Ling, Biao Jiang, Jianmin Zhang
OBJECTIVE: To assess whether ADC maps obtained from high b value DWI were more valuable in preoperatively evaluating the grade, Ki-67 index and outcome of gliomas. METHODS: Sixty-three patients with gliomas, who underwent preoperative multi b value DWI at 3 T, were enrolled. The ADC1000, ADC2000 and ADC3000 maps were generated. Receiver operating characteristic analyses were conducted to determine the area under the curve (AUC) in differentiating high-grade gliomas (HGG) from low-grade gliomas (LGG)...
June 21, 2017: European Radiology
https://www.readbyqxmd.com/read/28629576/differentiation-of-brain-tumor-related-edema-based-on-3d-t1rho-imaging
#19
J E Villanueva-Meyer, R F Barajas, M C Mabray, W Chen, A Shankaranarayanan, P Koon, I J Barani, T Tihan, S Cha
BACKGROUND AND PURPOSE: Cerebral edema associated with brain tumors is an important source of morbidity. Its type depends largely on the capillary ultra-structures of the histopathologic subtype of underlying brain tumor. The purpose of our study was to differentiate vasogenic edema associated with brain metastases and infiltrative edema related to diffuse gliomas using quantitative 3D T1 rho (T1ρ) imaging. MATERIALS AND METHODS: Preoperative MR examination including whole brain 3D T1ρ imaging was performed in 23 patients with newly diagnosed brain tumors (9 with metastasis, 8 with lower grade glioma, LGG, 6 with glioblastoma, GBM)...
June 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28627210/lactobacillus-rhamnosusgg-reduces-hepatic-fibrosis-in-a-model-of-chronic-liver-disease-in-rats
#20
Thais Ortiz Hammes, Renata Leke, Thayssa Dalla Costa Escobar, Laisa Beduschi Fracasso, Fabiola Schons Meyer, Michael Éverton Andrades, Themis Reverbel da Silveira
BACKGROUND: The intestinal dysbiosis is common in chronic liver disease and can induce to inflammatory responses and mediate the collagen deposition in the liver. AIM: To evaluate the probiotic Lactobacillus rhamnosus GG (LGG) for the treatment of liver fibrosis in a model of chronic cholestatic liver disease in rats. METHODS: Male adult Wistar rats (n = 29) were submitted to common bile duct ligation (BDL groups) or manipulation of common bile duct without ligation (Ctrl groups)...
June 5, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
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