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https://www.readbyqxmd.com/read/28531972/bio-synthesis-of-peppermint-leaf-extract-polyphenols-capped-nano-platinum-and-their-in-vitro-cytotoxicity-towards-colon-cancer-cell-lines-hct-116
#1
Chuang Yang, Minghua Wang, Junde Zhou, Qiang Chi
Bio-synthesis of Platinum nanoparticles (Pt NPs) was achieved using Mentha piperita (Peppermint) aqueous leaf extract. Further the ecofriendly synthesized Pt NPs were subjected for various characterization techniques. The characterization results inferred that the green synthesized Pt NPs were said to be in average particle size of 54.3nm. The particles are in spherical shape and it has been entrapped with secondary metabolites (Polyphenols). The polyphenols capped Pt NPs were screened for cytotoxicity against human colon cancer cell line (HCT 116)...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28527759/selection-of-new-lactic-acid-bacteria-strains-bearing-probiotic-features-from-mucosal-microbiota-of-healthy-calves-looking-for-immunobiotics-through-in-vitro-and-in-vivo-approaches-for-immunoprophylaxis-applications
#2
Sávio Sandes, Luige Alvim, Bruno Silva, Leonardo Acurcio, Cinara Santos, Márcia Campos, Camila Santos, Jacques Nicoli, Elisabeth Neumann, Álvaro Nunes
From the birth, since their mucosal microbiota and immune system are not fully developed, newborn calves are susceptible to several mucosal pathogenic microorganisms. Operating through humoral and non-humoral mechanisms in the host, several lactic acid bacteria strains bearing probiotic features are often employed in livestock as food supplement, improving animal production performance, promoting health and reducing the severity of mucosal infections. Accordingly, we isolated, species-level identified and screened for their probiotic potentials seventy lactic acid bacteria strains from upper airway, vaginal and intestinal mucosa of healthy calves...
July 2017: Microbiological Research
https://www.readbyqxmd.com/read/28521746/survival-rates-and-predictors-of-survival-among-colorectal-cancer-patients-in-a-malaysian-tertiary-hospital
#3
Bello Arkilla Magaji, Foong Ming Moy, April Camilla Roslani, Chee Wei Law
BACKGROUND: Colorectal cancer is the third most commonly diagnosed malignancy and the fourth leading cause of cancer-related death globally. It is the second most common cancer among both males and females in Malaysia. The economic burden of colorectal cancer is likely to increase over time owing to its current trend and aging population. Cancer survival analysis is an essential indicator for early detection and improvement in cancer treatment. However, there was a scarcity of studies concerning survival of colorectal cancer patients as well as its predictors...
May 18, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28520953/evolving-insights-into-the-epidemiology-and-control-of-clostridium-difficile-in-hospitals
#4
Daniel A Caroff, Deborah S Yokoe, Michael Klompas
Typing studies suggest most cases of hospital-onset Clostridium difficile infection are unrelated to other cases of active disease in the hospital. New cases may instead be due to transmissions from asymptomatic carriers or progression of latent C.difficile present-on-admission to active infection. Direct exposure to antibiotics remains the primary risk factor for C.difficile infection but ward-level antibiotic use, antibiotic exposure of the prior room occupant, and C.difficile status of the prior room occupant increase risk for C...
May 17, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28515905/colonization-of-long-term-care-facility-patients-with-mdr-gram-negatives-during-an-acinetobacter-baumannii-outbreak
#5
Ines Zollner-Schwetz, Elisabeth Zechner, Elisabeth Ullrich, Josefa Luxner, Christian Pux, Gerald Pichler, Walter Schippinger, Robert Krause, Eva Leitner
BACKGROUND: We aimed to determine the prevalence of colonization by multidrug-resistant Gram-negative bacteria including ESBL-producing enterobacteriaceae, carbapenem-resistant enterobacteriaceae, Pseudomonas aeruginosa and Acinetobacter baumannii at two wards caring long term for patients with disorder of consciousness at the Geriatric Health Centers Graz, Austria. During our study we detected two A. baumannii outbreaks. METHODS: In August 2015, we conducted a point-prevalence study...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28515110/do-men-and-women-need-to-be-screened-differently-with-faecal-immunochemical-testing-a-cost-effectiveness-analysis
#6
Miriam P van der Meulen, Atija Kapidzic, Monique E van Leerdam, Alex van der Steen, Ernst J Kuipers, Manon C Spaander, Harry J de Koning, Lieke Hol, Iris Lansdorp-Vogelaar
BACKGROUND: Several studies suggest test characteristics for the faecal immunochemical test (FIT) differ by gender, triggering a debate whether men and women should be screened differently. We used the microsimulation model MISCAN-Colon to evaluate whether screening stratified by gender is cost-effective. METHODS: We estimated gender-specific FIT characteristics based on first round positivity and detection rates observed in a FIT screening pilot (CORERO-1). Subsequently, we used the model to estimate harms, benefits and costs of 480 gender-specific FIT screening strategies and compared them with uniform screening...
May 17, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28511691/tomato-root-microbiota-and-phytophthora-parasitica-associated-disease
#7
Marie Larousse, Corinne Rancurel, Camille Syska, Ferran Palero, Catherine Etienne, Benoît Industri, Xavier Nesme, Marc Bardin, Eric Galiana
BACKGROUND: Interactions between pathogenic oomycetes and microbiota residing on the surface of the host plant root are unknown, despite being critical to inoculum constitution. The nature of these interactions was explored for the polyphagous and telluric species Phytophthora parasitica. RESULTS: Composition of the rhizospheric microbiota of Solanum lycopersicum was characterized using deep re-sequencing of 16S rRNA gene to analyze tomato roots either free of or partly covered with P...
May 16, 2017: Microbiome
https://www.readbyqxmd.com/read/28511430/study-on-the-relation-between-colorectal-cancer-and-gall-bladder-disease
#8
Siddharth Gosavi, R Rama Mishra, Vsm Praveen Kumar
INTRODUCTION: Colorectal cancer is cancer of the large intestine, the lower part of digestive system which includes the sigmoid colon and rectum. AIM: To study the relation of incidence of colorectal cancer with previous gall bladder disease or post-cholecystectomy status, a relation between gall bladder disease and smoking in particular and the most common region of colon involved in colorectal cancer in gall bladder disease and non-gall bladder disease patients...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28507600/insights-into-the-role-of-the-intestinal-microbiota-in-colon-cancer
#9
REVIEW
Sofia Oke, Alberto Martin
The intestinal microbiota consists of a dynamic organization of bacteria, viruses, archaea, and fungal species essential for maintaining gut homeostasis and protecting the host against pathogenic invasion. When dysregulated, the intestinal microbiota can contribute to colorectal cancer development. Though the microbiota is multifaceted in its ability to induce colorectal cancer, this review will focus on the capability of the microbiota to induce colorectal cancer through the modulation of immune function and the production of microbial-derived metabolites...
May 2017: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/28504326/preoperative-colonization-in-pediatric-cardiac-surgery-and-its-impact-on-postoperative-infections
#10
Simona Silvetti, Marco Ranucci, Giuseppe Isgrò, Valentina Villa, Elena Costa
BACKGROUND: Patients with congenital heart defects are frequently hospitalized before surgery. This exposes them to a high risk for pathogen colonization. There are limited data on colonization prevalence in the pediatric cardiac population, and limited data concerning its potential role in the risk of developing infections after cardiac surgery. AIM: This study aimed to verify the impact of preoperative colonization on postoperative infections in a population of pediatric cardiac surgery patients coming from Italy and developing countries...
May 15, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28503170/drosophila-melanogaster-as-a-high-throughput-model-for-host-microbiota-interactions
#11
Mark Trinder, Brendan A Daisley, Josh S Dube, Gregor Reid
Microbiota research often assumes that differences in abundance and identity of microorganisms have unique influences on host physiology. To test this concept mechanistically, germ-free mice are colonized with microbial communities to assess causation. Due to the cost, infrastructure challenges, and time-consuming nature of germ-free mouse models, an alternative approach is needed to investigate host-microbial interactions. Drosophila melanogaster (fruit flies) can be used as a high throughput in vivo screening model of host-microbiome interactions as they are affordable, convenient, and replicable...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28501691/biosynthesis-and-characterization-of-copper-oxide-nanoparticles-and-its-anticancer-activity-on-human-colon-cancer-cell-lines-hct-116
#12
V Gnanavel, V Palanichamy, Selvaraj Mohana Roopan
The eco-friendly synthesis of nanoparticles through green route from plant extracts have renowned a wide range of application in the field of modern science, due to increased drug efficacy and less toxicity in the nanosized mediated drug delivery model. In the present study, our research groups have biosynthesized the stable and cost effective copper oxide nanoparticles (CuO NPs) from the leaves of (Ormocarpum cochinchinense) O. cochinchinense. The synthesis of crystalline CuO NPs from the leaf extract of O...
May 2, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28498330/specific-microrna-pattern-in-colon-tissue-of-young-children-with-eosinophilic-colitis
#13
Zoltán Kiss, Nóra Judit Béres, Erna Sziksz, Bálint Tél, Katalin Borka, András Arató, Attila J Szabó, Gábor Veres
Eosinophilic colitis (EC) is a common cause of haematochezia in infants and young children. The exact pathomechanism is not understood, and the diagnosis is challenging. The role of microRNAs as key class of regulators of mRNA expression and translation in patients with EC has not been explored. Therefore, the aim of the present study was to explore the miRNA profile in EC with respect to eosinophilic inflammation. Patients enrolled in the study (n = 10) had persistent rectal bleeding, and did not respond to elimination dietary treatment...
May 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28496481/evaluation-of-various-biological-activities-of-the-aerial-parts-of-scrophularia-frigida-growing-in-iran
#14
Parina Asgharian, Fariba Heshmati Afshar, Solmaz Asnaashari, Farzaneh Lotfipour, Behzad Baradaran, Elmira Zolali, Elhameh Nikkhah, Abbas Delazar
The current study was assigned to evaluate the total phenol, total flavonoid content (TPC, TFC) and antioxidant properties of extracts from the aerial parts of Scrophularia frigida (S. frigida). Extracts were also tested by preliminary phytochemical screening as well as cytotoxic activity against Artemia salina, MCF-7 (human breast carcinoma) and SW-480 (colon carcinoma) and L-929 (normal) cell lines along with antimicrobial characteristic. DPPH, MTT and Brine shrimp lethality tests and disc diffusion method were carried out to determine the biological activities of the different extracts of S...
2017: Iranian Journal of Pharmaceutical Research: IJPR
https://www.readbyqxmd.com/read/28496167/effect-of-trichoderma-harzianum-on-maize-rhizosphere-microbiome-and-biocontrol-of-fusarium-stalk-rot
#15
Kandasamy Saravanakumar, Yaqian Li, Chuanjin Yu, Qiang-Qiang Wang, Meng Wang, Jianan Sun, Jin-Xin Gao, Jie Chen
Fusarium stalk rot (FSR) caused by Fusarium graminearum (FG) significantly affects the productivity of maize grain crops. Application of agrochemicals to control the disease is harmful to environment. In this regard, use of biocontrol agent (BCA) is an alternative to agrochemicals. Although Trichoderma species are known as BCA, the selection of host-pathogen specific Trichoderma is essential for the successful field application. Hence, we screened a total of 100 Trichoderma isolates against FG, selected Trichoderma harzianum (CCTCC-RW0024) for greenhouse experiments and studied its effect on changes of maize rhizosphere microbiome and biocontrol of FSR...
May 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28494187/the-screening-of-the-functional-microrna-binding-site-snps-in-sporadic-colorectal-cancer-genes
#16
Hongjuan He, Lei Lei, Erfei Chen, Xiaona Xu, Lili Wang, Junqiang Pan, Fangfang Yang, Min Wang, Jing Dong, Jin Yang
Sporadic colorectal cancer (sCRC) is one of the most commonly diagnosed cancers worldwide, but few genetic markers have been identified and utilized for its early detection. MicroRNAs are diverse cellular regulators in cancer pathogenesis that bind to the 3'-untranslated region (3'-UTR) of their target mRNAs, and variants within the miRNA target sites on sCRC-related genes may influence its pathogenesis. To investigate this possibility, we used a bioinformatical method to screen SNPs for putative changes in miRNA recognition sites within the 3'-UTR of sCRC-related genes...
May 11, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/28490489/single-negative-van-qpcr-on-enrichment-broth-can-replace-five-rectal-swab-cultures-for-the-screening-of-vancomycin-resistent-enterococci
#17
J M Fonville, C M C van Herk, P H A C Das, J H B van de Bovenkamp, L van Dommelen
The increased incidence of vancomycin resistant Enterococcus spp. (VRE) causes an accumulation of patients that are either VRE-colonized or flagged as potentially VRE-colonized. Since such patients require precautionary isolation upon admission to a hospital, rapid methods to establish VRE-colonization status would improve patient care and optimize hospital operation. We evaluated van qPCR on one enrichment broth as a VRE-screening approach.We obtained 255 sets of five rectal specimens from 243 patients. The specimens were cultured using an amoxicillin-containing enrichment broth...
May 10, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28489793/a-selective-screening-program-for-the-early-detection-of-mucopolysaccharidosis-results-of-the-find-project-a-2-year-follow-up-study
#18
Cristóbal Colón, J Victor Alvarez, Cristina Castaño, Luís G Gutierrez-Solana, Ana M Marquez, María O'Callaghan, Félix Sánchez-Valverde, Carmen Yeste, María-Luz Couce
The mucopolysaccharidoses (MPSs) are underdiagnosed but they are evaluated in few newborn screening programs, probably due to the many challenges remaining, such as the identification of late-onset phenotypes. Systematic screening at the onset of clinical symptoms could help to early identify patients who may benefit from specific treatments. The aim of this prospective study was to assess a novel selective screening program, the FIND project, targeting patients aged 0 to 16 years with clinical manifestations of MPS...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28487711/in-silico-identification-of-mimicking-molecules-as-defense-inducers-triggering-jasmonic-acid-mediated-immunity-against-alternaria-blight-disease-in-brassica-species
#19
Rajesh K Pathak, Mamta Baunthiyal, Rohit Shukla, Dinesh Pandey, Gohar Taj, Anil Kumar
Alternaria brassicae and Alternaria brassicicola are two major phytopathogenic fungi which cause Alternaria blight, a recalcitrant disease on Brassica crops throughout the world, which is highly destructive and responsible for significant yield losses. Since no resistant source is available against Alternaria blight, therefore, efforts have been made in the present study to identify defense inducer molecules which can induce jasmonic acid (JA) mediated defense against the disease. It is believed that JA triggered defense response will prevent necrotrophic mode of colonization of Alternaria brassicae fungus...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28487489/apelin-a-putative-novel-predictive-biomarker-for-bevacizumab-response-in-colorectal-cancer
#20
Linda Zuurbier, Arman Rahman, Martijn Cordes, Jennifer Scheick, Tse J Wong, François Rustenburg, Jesu Christopher Joseph, Peter Dynoodt, Rory Casey, Paul Drillenburg, Michael Gerhards, Ana Barat, Rut Klinger, Bozena Fender, Darran P O'Connor, Johannes Betge, Matthias P Ebert, Timo Gaiser, Jochen H M Prehn, Arjan W Griffioen, Nicole C T van Grieken, Bauke Ylstra, Annette T Byrne, Laurens G van der Flier, William M Gallagher, Ruben Postel
Bevacizumab (bvz) is currently employed as an anti-angiogenic therapy across several cancer indications. Bvz response heterogeneity has been well documented, with only 10-15% of colorectal cancer (CRC) patients benefitting in general. For other patients, clinical efficacy is limited and side effects are significant. This reinforces the need for a robust predictive biomarker of response. To identify such a biomarker, we performed a DNA microarray-based transcriptional profiling screen with primary endothelial cells (ECs) isolated from normal and tumour colon tissues...
April 21, 2017: Oncotarget
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