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https://www.readbyqxmd.com/read/27913852/differential-effect-of-early-antibiotic-intervention-on-bacterial-fermentation-patterns-and-mucosal-gene-expression-in-the-colon-of-pigs-under-diets-with-different-protein-levels
#1
Chuanjian Zhang, Miao Yu, Yuxiang Yang, Chunlong Mu, Yong Su, Weiyun Zhu
The study aimed to evaluate the effects of early antibiotic intervention (EAI) on bacterial fermentation patterns and mucosal immune markers in the colon of pigs with different protein level diets. Eighteen litters of piglets at day (d) 7 were fed creep feed without or with growth promoting antibiotics until d 42. At d 42, pigs within each group were further randomly assigned to a normal- or low-crude protein (CP) diet. At d 77 and d 120, five pigs per group were slaughtered for analyzing colonic bacteria, metabolites, and mucosal gene expressions...
December 3, 2016: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/27913491/prognostic-factors-in-follicular-lymphoma-new-tools-to-personalize-risk
#2
Carla Casulo
Follicular lymphoma (FL) is the most common indolent lymphoma, and it has a long median overall survival (OS). However, the recent discovery of clinical and biological prognostic biomarkers in FL is shedding light on FL heterogeneity and the need for a precise and risk-stratified individual approach at diagnosis and relapse. Many FL patients who are asymptomatic with indolent disease can be vulnerable to the toxicity, emotional distress, and financial burden of overtreatment. Yet a subset of FL patients develop chemoresistance to standard chemoimmunotherapy, experience transformation to aggressive lymphoma and rapid progression, and represent the population most in need of novel therapies and curative approaches...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27911011/fragment-based-design-synthesis-and-biological-evaluation-of-1-substituted-indole-2-carboxylic-acids-as-selective-mcl-1-inhibitors
#3
Ziqian Wang, Wenjie Xu, Ting Song, Zongwei Guo, Lu Liu, Yudan Fan, Anhui Wang, Zhichao Zhang
Based on a known selective Mcl-1 inhibitor, 6-chloro-3-(3-(4-chloro-3,5-dimethylphenoxy)propyl)-1H-indole-2-carboxylic acid, we applied a fragment-based approach to obtain new molecules that extended into the p1 pocket of the BH3 groove and then exhibited binding selectivity for the Mcl-1 over the Bcl-2 protein. After we deconstructed the 1H-indole-2-carboxylic acid from the parental molecule, a benzenesulfonyl was substituted at the 1-position to adopt a geometry preferred for accessing the p1 pocket according to the binding mode of the parental molecule identified by X-ray crystallography...
December 2, 2016: Archiv der Pharmazie
https://www.readbyqxmd.com/read/27911010/screening-of-mercury-resistant-and-indole-3-acetic-acid-producing-bacterial-consortium-for-growth-promotion-of-cicer-arietinum-l
#4
Aatif Amin, Zakia Latif
Mercury resistant (Hg(R) ) bacteria were screened from industrial effluents and effluents-polluted rhizosphere soils near to districts Kasur and Sheikhupura, Pakistan. Out of 60 isolates, three bacterial strains, Bacillus sp. AZ-1, Bacillus cereus AZ-2, and Enterobacter cloacae AZ-3 showed Hg-resistance as 20 μg ml(-1) of HgCl2 and indole-3-acetic acid (IAA) production as 8-38 μg ml(-1) . Biochemical and molecular characterization of selected bacteria was confirmed by 16S ribotyping. Mercury resistant genes merA, merB, and merE of mer operon in Bacillus spp...
December 2, 2016: Journal of Basic Microbiology
https://www.readbyqxmd.com/read/27910769/anti-inflammatory-activity-of-biomass-extracts-of-the-bay-mushroom-imleria-badia-agaricomycetes-in-raw-264-7-cells
#5
Agata Grzywacz, Joanna Gdula Argasinska, Katarzyna Kala, Wlodzimierz Opoka, Bozena Muszynska
The popular edible bay mushroom, Imleria badia, is rich in phenolic and indole compounds, unsaturated fatty acids, and elements that have anti-inflammatory activity, including zinc. The aim of this study was to evaluate the pro- or anti-inflammatory impact of I. badia biomass extracts on RAW 264.7 cells. We analyzed the influence of I. badia extracts and/or lipopolysaccharide (LPS) cotreatment on the fatty acid profile of cell membranes. We also analyzed cyclooxygenase-2, prostaglandin E synthase, glutathione S transferase Mul, and nuclear factor (NF)-κB p50 and p65 protein expression, as well as the activity of peroxisome proliferator-activated receptor γ and NF-κB transcription factors...
2016: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/27910176/visible-light-accelerated-c-h-sulfinylation-of-heteroarenes
#6
Andreas Uwe Meyer, Alexander Wimmer, Burkhard König
Heteroaromatic sulfoxides are a frequent structural motif in natural products, drugs, catalysts, and materials. We report a metal-free visible-light-accelerated synthesis of heteroaromatic sulfoxides from sulfinamides and peroxodisulfate. The reaction proceeds at room temperature with blue-light irradiation and allows the C-H sulfinylation of electron-rich heteroarenes, such as pyrroles and indoles. An electrophilic aromatic substitution mechanism is proposed based on the substrate scope, substitution selectivity, and competition experiments with different nucleophiles...
December 2, 2016: Angewandte Chemie
https://www.readbyqxmd.com/read/27909577/advances-in-the-understanding-and-clinical-management-of-mastocytosis-and-clonal-mast-cell-activation-syndromes
#7
REVIEW
David González-de-Olano, Almudena Matito, Alberto Orfao, Luis Escribano
Clonal mast cell activation syndromes and indolent systemic mastocytosis without skin involvement are two emerging entities that sometimes might be clinically difficult to distinguish, and they involve a great challenge for the physician from both a diagnostic and a therapeutic point of view. Furthermore, final diagnosis of both entities requires a bone marrow study; it is recommended that this be done in reference centers. In this article, we address the current consensus and guidelines for the suspicion, diagnosis, classification, treatment, and management of these two entities...
2016: F1000Research
https://www.readbyqxmd.com/read/27906409/e-z-isomerization-solvatachromism-and-aggregation-induced-emission-enhancement-of-donor-acceptor-type-oligo-p-phenylene-vinylene-s
#8
Cunfang Feng, Jinyu Li, Xiao Han, Xin He, Liqun Liu, Xiaoxiao Li, Xiaoyi Sun, Ping Lu, Yuguang Ma
A donor-acceptor molecule, PICNDSB, with cyclopenta[b]indole as the donor and (1,4-phenylene)bis(3-phenylacrylonitrile) as the acceptor, is designed and synthesized. PICNDSB shows typical aggregation-induced emission characteristics. The photoluminescence quantum yield of PICNDSB in dilute THF was only 0.7% and reaches 51.4% in the solid state. Compared with its analogue CzCNDSB, PICNDSB possesses stronger intramolecular charge transfer properties, as revealed from CV measurements, theoretical calculations, and their fluorescence behaviors...
December 1, 2016: Faraday Discussions
https://www.readbyqxmd.com/read/27905924/current-knowledge-and-perspectives-of-paenibacillus-a-review
#9
REVIEW
Elliot Nicholas Grady, Jacqueline MacDonald, Linda Liu, Alex Richman, Ze-Chun Yuan
Isolated from a wide range of sources, the genus Paenibacillus comprises bacterial species relevant to humans, animals, plants, and the environment. Many Paenibacillus species can promote crop growth directly via biological nitrogen fixation, phosphate solubilization, production of the phytohormone indole-3-acetic acid (IAA), and release of siderophores that enable iron acquisition. They can also offer protection against insect herbivores and phytopathogens, including bacteria, fungi, nematodes, and viruses...
December 1, 2016: Microbial Cell Factories
https://www.readbyqxmd.com/read/27905327/potential-therapeutic-effect-of-epigenetic-therapy-on-treatment-induced-neuroendocrine-prostate-cancer
#10
Xiang Xu, Yu-Hua Huang, Yan-Jing Li, Alexa Cohen, Zhen Li, Jill Squires, Wei Zhang, Xu-Feng Chen, Min Zhang, Jiao-Ti Huang
Although adenocarcinomas of the prostate are relatively indolent, some patients with advanced adenocarcinomas show recurrence of treatment-induced neuroendocrine prostate cancer, which is highly aggressive and lethal. Detailed biological features of treatment-induced neuroendocrine prostate cancer have not been characterized owing to limited biopsies/resections and the lack of a cellular model. In this study, we used a unique cellular model (LNCaP/NE1.8) to investigate the potential role of cancer stem cells in treatment-induced neuroendocrine prostate cancer with acquired resistance to hormonal therapy and chemotherapy...
November 29, 2016: Asian Journal of Andrology
https://www.readbyqxmd.com/read/27904249/benign-biliary-strictures
#11
REVIEW
Ashley Altman, Steven M Zangan
Differentiating benign and malignant biliary strictures is a challenging and important clinical scenario. The typical presentation is indolent and involves elevation of liver enzymes, constitutional symptoms, and obstructive jaundice with or without superimposed or recurrent cholangitis. While overall the most common causes of biliary strictures are malignant, including cholangiocarcinoma and pancreatic adenocarcinoma, benign strictures encompass a wide spectrum of etiologies including iatrogenic, autoimmune, infectious, inflammatory, and congenital...
December 2016: Seminars in Interventional Radiology
https://www.readbyqxmd.com/read/27903960/survival-outcomes-and-surgical-intervention-of-small-intestinal-neuroendocrine-tumors-a-population-based-retrospective-study
#12
Lunpo Wu, Jianfei Fu, Li Wan, Jie Pan, Sanchuan Lai, Jing Zhong, Daniel C Chung, Liangjing Wang
BACKGROUND: Small intestinal neuroendocrine tumors (SiNETs) without distant metastasis typically behave in an indolent manner, but there can be heterogeneity. We aimed to define the survival outcomes and impacts of surgical intervention. METHODS: A retrospective cohort study was conducted by using data from the Surveillance, Epidemiology, and End Results (SEER) database. Clinicopathologic features were analyzed in 4407 patients between 2000 and 2012. The cancer specific survival (CSS) was calculated by the Kaplan-Meier method...
November 26, 2016: Oncotarget
https://www.readbyqxmd.com/read/27903835/identification-of-microrna-signature-and-potential-pathway-targets-in-prostate-cancer
#13
Ahmed A Moustafa, Mohammed Ziada, Abubaker Elshaikh, Amrita Datta, Hogyoung Kim, Krzysztof Moroz, Sudesh Srivastav, Raju Thomas, Jonathan L Silberstein, Krishnarao Moparty, Fatma Elzahraa H Salem, Ola H El-Habit, Asim B Abdel-Mageed
Prostate cancer (PC) is the most common and the second leading cause of cancer-related death among American men. Early diagnosis is a prerequisite to improving therapeutic benefits. However, the current clinical biomarkers for PC do not reliably decipher indolent PC from other urogenital disorders. Thus, effective clinical intervention necessitates development of new biomarkers for early detection of PC. The present study aimed to identify the miRNA signature in organ-confined (Gleason Score 6) prostate tumors...
November 29, 2016: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27903658/prognostic-considerations-of-the-new-world-health-organization-classification-of-lung-adenocarcinoma
#14
REVIEW
Alain C Borczuk
The 2015 World Health Organization (WHO) lung adenocarcinoma classification divides tumours into categories of indolent pre-invasive, minimally invasive and predominantly lepidic and, by examining predominant patterns of invasion, allows for further stratification into intermediate and high-grade tumours. The impact of the 2015 classification on prognosis was reviewed by a PubMed search for search terms "adenocarcinoma", "lung pathology" and "prognosis" and relevant publications reviewed. These were sorted for data on stage and survival as impacted by histological classification, and survival studies were separated into all stage versus stage 1 studies...
December 2016: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/27902886/lateral-gene-transfer-of-p-cresol-and-indole-producing-enzymes-from-environmental-bacteria-to-mastigamoeba-balamuthi
#15
Eva Nývltová, Robert Šuťák, Vojtěch Žárský, Karel Harant, Ivan Hrdý, Jan Tachezy
p-Cresol and indole are volatile biologically active products of the bacterial degradation of tyrosine and tryptophan, respectively. They are typically produced by bacteria in animal intestines, soil and various sediments. Here, we demonstrate that the free-living eukaryote Mastigamoeba balamuthi and its pathogenic relative Entamoeba histolytica produce significant amounts of indole via tryptophanase activity. Unexpectedly, M. balamuthi also produces p-cresol in concentrations that are bacteriostatic to non-p-cresol-producing bacteria...
November 30, 2016: Environmental Microbiology
https://www.readbyqxmd.com/read/27902876/asymmetric-synthesis-of-optically-active-spirocyclic-indoline-scaffolds-applying-an-enantioselective-reduction-of-3h-indoles
#16
Magnus Rueping
An enantioselective synthesis of spirocyclic indoline scaffolds was achieved by applying an asymmetric iridium catalyzed hydrogenation of 3H-indoles. Low catalyst loadings and mild reaction conditions provide a broad range of differently substituted products with excellent yields and enantioselectivities. The developed methodology allows an efficient synthesis of this important spirocyclic structural motif, which is present in numerous biologically active molecules and privileged structures in medicinal chemistry...
November 30, 2016: Chemistry: a European Journal
https://www.readbyqxmd.com/read/27902261/paenibacillus-qinlingensis-sp-nov-an-indole-3-acetic%C3%A2-acid-producing-bacterium-isolated-from-roots-of-sinopodophyllum%C3%A2-hexandrum-royle-ying
#17
Kaiyun Xin, Muhang Li, Chaoqiong Chen, Xu Yang, Qiqi Li, Juanli Cheng, Lei Zhang, Xihui Shen
A novel indole-3-acetic acid-producing bacterium, designated TEGT-2T, was isolated from the roots of Sinopodophyllum hexandrum collected from Qinling Mountains in shaanxi province, Northwestern China, and was subjected to a taxonomic study by using a polyphasic approach. Cells of strain TEGT-2T were Gram-stain-positive, strictly aerobic, endospore-forming rods and motile by means of peritrichous flagella. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain TEGT-2T was a member of the genus Paenibacillus, exhibiting the highest sequence similarity to Paenibacillus pectinilyticus KCTC 13222T (97...
November 16, 2016: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/27901164/metal-catalyst-free-cyclization-of-3-alkynyl-substituted-2-indol-3-yl-quinoxalines-in-tfa-alone-a-new-synthesis-of-indolophenazines
#18
K Shiva Kumar, Boyapally Bhaskar, Meesa Siddi Ramulu, N Praveen Kumar, Mohd Ashraf Ashfaq, Manojit Pal
TFA alone was found to be remarkably effective for the intramolecular hydroarylation (IMHA) of alkynes when employed as a solvent in the cyclization of 3-alkynyl substituted 2-(indol-3-yl)quinoxalines. This simple and metal free cyclization method afforded a range of indolophenazines as new and potential cytotoxic agents. The use of excess TFA was found to be crucial for the success of this reaction.
November 30, 2016: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/27900785/a-tryptoline-ring-distortion-strategy-leads-to-complex-and-diverse-biologically-active-molecules-from-the-indole-alkaloid-yohimbine
#19
Nicholas Paciaroni, Ranjala Ratnayake, James Matthews, Verrill Norwood, Austin Arnold, Long Dang, Hendrik Luesch, Robert William Huigens Iii
High-throughput screening (HTS) is the primary driver to current drug discovery efforts. New therapeutic agents that enter the market are a direct reflection of the structurally simple compounds that make up screening libraries. Unlike medically relevant natural products (e.g., morphine), small molecules currently being screened have low fraction sp3 character and few, if any, stereogenic centers. Although simple compounds have been useful in drugging certain biological targets (e.g., protein kinases), more sophisticated targets (e...
November 29, 2016: Chemistry: a European Journal
https://www.readbyqxmd.com/read/27900638/bendamustine-plus-rituximab-for-previously-untreated-patients-with-indolent-b-cell-non-hodgkin-lymphoma-or-mantle-cell-lymphoma-a-multicenter-phase-ii-clinical-trial-in-japan
#20
Michinori Ogura, Kenichi Ishizawa, Dai Maruyama, Naokuni Uike, Kiyoshi Ando, Koji Izutsu, Yasuhito Terui, Yoshitaka Imaizumi, Kunihiro Tsukasaki, Kenshi Suzuki, Tohru Izumi, Kensuke Usuki, Tomohiro Kinoshita, Masafumi Taniwaki, Nobuhiko Uoshima, Junji Suzumiya, Mitsutoshi Kurosawa, Hirokazu Nagai, Toshiki Uchida, Noriko Fukuhara, Ilseung Choi, Ken Ohmachi, Go Yamamoto, Kensei Tobinai
A Phase II, multicenter clinical trial of bendamustine plus rituximab (BR) regimen was conducted in previously untreated patients with high-tumor-burden indolent B-cell non-Hodgkin lymphoma (B-NHL) and previously untreated elderly patients with mantle cell lymphoma (MCL) in Japan. Bendamustine 90 mg/m(2)/day on days 1 and 2, as well as rituximab 375 mg/m(2) on day 1 were administered intravenously up to six cycles. The primary endpoint was the complete response (CR) rate as assessed by the International Workshop Response Criteria (1999)...
November 29, 2016: International Journal of Hematology
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