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https://www.readbyqxmd.com/read/29332183/identification-of-n-arylsulfonylpyrimidones-as-anticancer-agents
#1
Santhosh Subramanian, Pulla Reddy Boggu, Jieun Yun, Sang-Hun Jung
For confirming the role of five membered ring of imidazolidinone moiety of N-arylsulfonylimidazolidinones (7) previously reported with highly potent anticancer agent, a series of N-arylsulfonylpyrimidones (10a-g) and N-arylsulfonyltetrahydropyrimidones (11a-e) were prepared and their anti-proliferating activity was measured against human cancer cell lines (renal ACHN, colon HCT-15, breast MDA-MB-231, lung NCI-H23, stomach NUGC-3, and prostate PC-3) using XTT assay. Among them, 1-(1-acetylindolin-5-ylsulfonyl)-4-phenyltetrahydropyrimidin-2(1H)-one (11d, mean GI50 = 3...
January 13, 2018: Archives of Pharmacal Research
https://www.readbyqxmd.com/read/29332150/ectoparasite-activity-during-incubation-increases-microbial-growth-on-avian-eggs
#2
G Tomás, D Martín-Gálvez, C Ruiz-Castellano, M Ruiz-Rodríguez, J M Peralta-Sánchez, M Martín-Vivaldi, J J Soler
While direct detrimental effects of parasites on hosts are relatively well documented, other more subtle but potentially important effects of parasitism are yet unexplored. Biological activity of ectoparasites, apart from skin injuries and blood-feeding, often results in blood remains, or parasite faeces that accumulate and modify the host environment. In this way, ectoparasite activities and remains may increase nutrient availability that may favour colonization and growth of microorganisms including potential pathogens...
January 13, 2018: Microbial Ecology
https://www.readbyqxmd.com/read/29331880/preventive-effects-of-indole-3-carbinol-against-alcohol-induced-liver-injury-in-mice-via-antioxidant-anti-inflammatory-and-anti-apoptotic-mechanisms-role-of-gut-liver-adipose-tissue-axis
#3
Youngshim Choi, Mohamed A Abdelmegeed, Byoung-Joon Song
Indole-3-carbinol (I3C), found in Brassica family vegetables, exhibits antioxidant, anti-inflammatory, and anti-cancerous properties. Here, we aimed to evaluate the preventive effects of I3C against ethanol (EtOH)-induced liver injury and study the protective mechanism(s) by using the well-established chronic-plus-binge alcohol exposure model. The preventive effects of I3C were evaluated by conducting various histological, biochemical, and real-time PCR analyses in mouse liver, adipose tissue, and colon, since functional alterations of adipose tissue and intestine can also participate in promoting EtOH-induced liver damage...
December 10, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29331856/schizandrin-a-enhances-chemosensitivity-of-colon-carcinoma-cells-to-5-fluorouracil-through-up-regulation-of-mir-195
#4
Dongfang Kong, Deyong Zhang, Xianqun Chu, Jing Wang
Nowadays 5-fluorouracil (5-FU)-based adjuvant chemotherapy is widely used for treating colon carcinoma. However, 5-FU resistance in the treatment of colon carcinoma has become more common and thereby new therapeutic strategies and new adjuvant drugs still need to be explored. Two 5-FU-resistant colon cancer cell lines, HCT116 and SW480, were used to investigate the effects of Schizandrin A (SchA), 5-FU, or their combination on cell viability and apoptosis. Besides, the role of miR-195 was studied to further clarify the specific function of SchA...
January 11, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29331851/rhizospheric-microorganisms-as-a-solution-for-the-recovery-of-soils-contaminated-by-petroleum-a-review
#5
REVIEW
Jéssica Janzen Dos Santos, Leila Teresinha Maranho
Petroleum is currently the world's main energy source, and its demand is expected to increase in coming years. Its intense exploitation can lead to an increase in the number of environmental accidents, such as spills and leaks, and an increase in the generation of environmental liabilities resulting from refining. Due to its hydrophobic characteristics and slow process of biodegradation, petroleum can remain in the environment for a long time and its toxicity can cause a negative impact on both terrestrial and aquatic ecosystems, with the main negative effects related to its carcinogenic potential for both animals and humans...
January 11, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29331766/roflumilast-type-4-phosphodiesterase-inhibitor-attenuates-inflammation-in-rats-with-ulcerative-colitis-via-down-regulation-of-inos-and-elevation-of-camp
#6
Nahla E El-Ashmawy, Naglaa F Khedr, Hoda A El-Bahrawy, Samar A El-Adawy
BACKGROUND: Roflumilast (Rof), a phosphodiesterase 4 (PDE4) inhibitor, has been shown to be an effective agent in inflammatory diseases and marketed for chronic obstructive pulmonary disease. OBJECTIVE: This study was conducted to examine the potential anti-inflammatory effects of Rof in dextran sulphate sodium (DSS)-induced ulcerative colitis (UC) in rats and to investigate the molecular mechanisms underlying these effects. METHODS: Forty male Wistar rats were divided into four groups: normal control, colitis group (rats received 5% DSS in their drinking water continuously for 7 days), Rof group, and sulfasalazine (SLZ) group...
January 10, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29331758/caspase-3-mapk-pathways-as-main-regulators-of-the-apoptotic-effect-of-the-phyto-mediated-synthesized-silver-nanoparticle-from-dried-stem-of-eleutherococcus-senticosus-in-human-cancer-cells
#7
Chun Gon Kim, Verónica Castro-Aceituno, Ragavendran Abbai, Hyun A Lee, Shakina Yesmin Simu, Yaxi Han, Joon Hurh, Yeon-Ju Kim, Deok Chun Yang
Siberian ginseng (Eleutherococcus senticosus) was used for the synthesis of an ecofriendly silver nanoparticle (Sg-AgNP), which has exhibited antibacterial, antioxidant effect and lower cytotoxicity to normal cells in comparison to human cancer cells. Although, the potential anticancer activity of Sg-AgNP has not been determined. In this study, two cancer cell lines were used to evaluate the cytotoxicity and apoptotic effect of Sg-AgNP along with the determination of the role of the Caspase-3 / p38 MAPK pathways...
January 9, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29331733/aronia-melanocarpa-fruit-juice-ameliorates-the-symptoms-of-inflammatory-bowel-disease-in-tnbs-induced-colitis-in-rats
#8
Stefka Valcheva-Kuzmanova, Atanas Kuzmanov, Vasilena Kuzmanova, Maria Tzaneva
Trinitrobenzensulfonic acid (TNBS) is commonly used to induce an experimental inflammatory bowel disease (IBD) model. Oxidative stress and inflammation have been proposed as mechanisms underlying the pathophysiology of IBD. Aronia melanocarpa fruit juice (AMFJ) is extremely rich in polyphenolic substances, mainly proanthocyanidins, flavonoids and phenolic acids. The aim of this study was to evaluate the effect of AMFJ in a rat TNBSinduced colitis model and to compare the effect of the juice with that of sulfasalazine...
January 10, 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29331610/pseudomonas-putida-modulates-the-expression-of-mirnas-and-their-target-genes-in-response-to-drought-and-salt-stresses-in-chickpea-cicer-arietinum-l
#9
Ram Jatan, Puneet Singh Chauhan, Charu Lata
MicroRNAs are small non-coding regulatory RNA molecules that play an important role in the modulation of gene expression during various environmental stresses. Pseudomonas putida RA, a plant growth promoting rhizobacteria (PGPR) colonizes the root surface of plants improving their growth and development during abiotic stresses modulating the expression of stress-responsive genes; however, the impact of RA on stress responsive-miRNA remains elusive. The present study was an attempt to delineate the role of PGPR in modulating stress responsive-miRNAs in a tolerant desi chickpea genotype exposed to drought and salt stresses...
January 10, 2018: Genomics
https://www.readbyqxmd.com/read/29331497/dietary-antioxidant-micronutrients-alter-mucosal-inflammatory-risk-in-a-murine-model-of-genetic-and-microbial-susceptibility
#10
Joseph F Pierre, Reinhard Hinterleitner, Romain Bouziat, Nathan A Hubert, Vanessa Leone, Jun Miyoshi, Bana Jabri, Eugene B Chang
Inflammatory bowel diseases (IBD) are caused by the convergence of microbial, environmental, and genetic factors. Diet significantly alters these interactions by affecting both the host and microbiome. Using a mucosal inflammatory model that resembles the human condition of ileal pouchitis, we investigated the effects of Control (CONT) or Antioxidant (AOX) diet, containing pharmacologically relevant levels of 4 micronutrients, on disease risk in wild-type and IL-10-/- animals following surgical self-filling (SF) ileal blind loop placement...
December 10, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29331274/clinical-outcomes-of-endoscopic-submucosal-dissection-for-large-colorectal-laterally-spreading-tumors-in-older-adults
#11
Jing Jing Lian, Li Li Ma, Yi Qun Zhang, Wei Feng Chen, Yun Shi Zhong, Mei Dong Xu, Ping Hong Zhou, Shi Yao Chen
BACKGROUND AND AIMS: The colorectal endoscopic submucosal dissection (ESD) remains technically challenging, especially for older patients who frequently encounter complex chronic diseases and have a loose colon. However, only limited number of studies are available for the safety of ESD in older patients with especially large laterally spreading tumors. Therefore, in this retrospective study, we compared the outcomes of ESD for laterally spreading tumors (LST) ≥3cm(cm) in older patients to that in younger patients...
January 10, 2018: Journal of Geriatric Oncology
https://www.readbyqxmd.com/read/29331154/predicting-multidrug-resistant-gram-negative-bacterial-colonization-and-associated-infection-on-hospital-admission-methodological-issues
#12
Kamyar Mansori, Erfan Ayubi, Saeid Safiri
No abstract text is available yet for this article.
January 14, 2018: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/29331105/dietary-factors-modulate-colonic-tumorigenesis-through-the-interaction-of-gut-microbiota-and-host-chloride-channels
#13
Yong Zhang, Chao Kang, Xiao-Lan Wang, Min Zhou, Meng-Ting Chen, Xiao-Hui Zhu, Kai Liu, Bin Wang, Qian-Yong Zhang, Jun-Dong Zhu, Man-Tian Mi
SCOPE: In recent decades, the association between diet, gut microbiota and the risk of colorectal cancer (CRC) has been established. Gut microbiota and associated metabolites, such as bile acids and butyrate, are now known to play a key role in CRC development. The aim of this study was to identify the progression to CRC is influenced by cholic acid, sodium butyrate, a high-fat diet or different dose of dihydromyricetin (DMY) interacted with gut microbiota. METHODS AND RESULTS: An AOM/DSS (azoxymethan/dextran sodium sulfate) model was established to study the gut microbiota compsition before and after tumor formation during colitis-induced tumorigenesis...
January 13, 2018: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/29331058/the-endoscopic-band-ligation-for-colonic-diverticular-bleeding
#14
Reiji Higashi, Hideaki Kinugasa, Masahiro Nakagawa
Colonic diverticular bleeding presents with sudden painless hematochezia. Bleeding often occurs from the right hemi colon with only 6 to 42% of them can be identified.1 Spontaneous hemostasis can be expected up to 70 to 80%, however, 20 to 40% encounter rebleeding. This article is protected by copyright. All rights reserved.
January 13, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29330969/is-salinity-an-obstacle-for-biological-invasions
#15
Filipa Paiva, Andrea Barco, Yiyong Chen, Alireza Mirzajani, Farrah T Chan, Velda Lauringson, Miguel Baltazar-Soares, Aibin Zhan, Sarah A Bailey, Jamileh Javidpour, Elizabeta Briski
Invasions of freshwater habitats by marine and brackish species have become more frequent in recent years with many of those species originating from the Ponto-Caspian region. Populations of Ponto-Caspian species have successfully established in the North and Baltic Seas and their adjoining rivers, as well as in the Great Lakes-St. Lawrence River region. To determine if Ponto-Caspian taxa more readily acclimatize to and colonize diverse salinity habitats than taxa from other regions, we conducted laboratory experiments on 22 populations of eight gammarid species native to the Ponto-Caspian, Northern European and Great Lakes-St...
January 13, 2018: Global Change Biology
https://www.readbyqxmd.com/read/29330824/colonic-fistula-caused-by-remaining-inflow-cannula-14%C3%A2-years-after-left-ventricular-assist-device-explantation
#16
Shunsuke Saito, Koichi Toda, Shigeru Miyagawa, Yasushi Yoshikawa, Hiroki Hata, Keitaro Domae, Ryohei Matsuura, Yoshiki Sawa
Intestinal complication associated with left ventricular assist device (LVAD) implantation is not rare, and sometimes results in serious condition of patients, if occurred. We report a rare case in which remaining foreign body after LVAD explantation resulted in colonic fistula 14 years after LVAD explantation.
January 12, 2018: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
https://www.readbyqxmd.com/read/29330819/preparation-of-a-synthetic-seed-for-the-common-reed-harboring-an-endophytic-bacterium-promoting-seedling-growth-under-cadmium-stress
#17
Ting Gao, Xianyang Shi
Bacterial seed endophytes can facilitate germination and early plant development. Therefore, the introduction of seed-borne endophytes may improve selected plant characteristics across generations. In this study, regenerated plantlets of common reed (Phragmites australis) were inoculated with activated sludge to obtain a specific functional endophytic bacterium. Denaturing gradient gel electrophoresis demonstrated that abundant endophytic bacteria could be enriched in the roots. A siderophore-producing endophytic bacterium was isolated from the roots and identified as Herbaspirillum frisingense RE3-3 based on 16S rRNA sequences...
January 12, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29330678/-quality-indicators-with-reference-values-and-threshold-limits-in-general-and-visceral-surgery-for-obesity-and-metabolic-pancreatic-colon-carcinoma-and-rectal-carcinoma-surgery
#18
EDITORIAL
H J Buhr, J Hardt, C Klinger, F Seyfried, A Wiegering, A Dietrich, D K Bartsch, D Lorenz, S Post, C T Germer, T Keck, U Wellner
No abstract text is available yet for this article.
January 2018: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/29330574/ectomycorrhizal-fungal-communities-in-alpine-relict-forests-of-pinus-pumila-on-mt-norikura-japan
#19
Takahiko Koizumi, Masahira Hattori, Kazuhide Nara
Ectomycorrhizal (ECM) symbioses are indispensable for the establishment of host trees, yet available information of ECM symbiosis in alpine forests is scarce. Pinus pumila is a typical ice age relict tree species in Japan and often forms monodominant dwarf vegetation above the tree line in mountains. We studied ECM fungi colonizing P. pumila on Mt. Norikura, Japan, with reference to host developmental stages, i.e., from current-year seedlings to mature trees. ECM fungal species were identified based on rDNA ITS sequences...
January 12, 2018: Mycorrhiza
https://www.readbyqxmd.com/read/29330494/characterizing-the-bacterial-microbiota-in-different-gastrointestinal-tract-segments-of-the-bactrian-camel
#20
Jing He, Li Yi, Le Hai, Liang Ming, Wanting Gao, Rimutu Ji
The bacterial community plays important roles in the gastrointestinal tracts (GITs) of animals. However, our understanding of the microbial communities in the GIT of Bactrian camels remains limited. Here, we describe the bacterial communities from eight different GIT segments (rumen, reticulum, abomasum, duodenum, ileum, jejunum, caecum, colon) and faeces determined from 11 Bactrian camels using 16S rRNA gene amplicon sequencing. Twenty-seven bacterial phyla were found in the GIT, with Firmicutes, Verrucomicrobia and Bacteroidetes predominating...
January 12, 2018: Scientific Reports
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