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https://www.readbyqxmd.com/read/28343327/osteolytic-variant-poems-syndrome-an-uncommon-presentation-of-osteosclerotic-myeloma
#1
Michael S Clark, Benjamin M Howe, Katrina N Glazebrook, Michelle L Mauermann, Stephen M Broski
Polyneuropathy, organomegaly, endocrinopathy, M protein, and skin changes (POEMS) syndrome, a form of osteosclerotic myeloma, is a multisystem disease related to a monoclonal plasma cell proliferative disorder. Osseous lesions are most commonly sclerotic on radiographs and computed tomography (CT), demonstrate low T1 and T2 signal intensity on magnetic resonance imaging (MRI), and have variable degrees of avidity on positon emission tomography (PET) imaging using 18-fluorodeoxyglucose ((18)F-FDG). We present three cases of POEMS syndrome manifesting as osteolytic lesions with indolent features, including well-defined thin sclerotic rims, no cortical disruption or periosteal reaction, no associated soft-tissue mass, and a periarticular location, all features that could lead to misinterpretation as benign bone lesions...
March 25, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28343195/research-of-the-protection-actions-of-derived-2-oxoindole-in-acute-stress
#2
Ruslan V Lutsenko, Andrei V Vakhnenko, Elena V Vlasova
INTRODUCTION: Correction of pathological anxiety and stress level of frustration leads to the development of new anxiolytics, notably including derivatives of 2-oksoyndolyn- 3-hlyoksylic acid. The aim of work - to study the effect of 2-oksyindolin-3-hlyoksylic acid on emotional and behavioral reactions of rats subjected to behavioral stress tests of different averiability. MATERIALS AND METHODS: In experiments on 150 white mature male rats Wistar investigated the effects of 2-oksoindolin (2-hydroxy-N-naphthalene-1-yl-2-(2-hydroxy-1,2- dihydro-indole-3-ylidene)-acetamide) with laboratory codes 18 when intraperitoneally administered to acute immobilization stress on Sel'ye on emotional and behavioral responses of animals to test «open field», «a raised cross maze» and test «conflict behavior» (option Vogel)...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28340281/high-ten-year-remission-rates-following-rituximab-fludarabine-mitoxantrone-and-dexamethasone-r-fnd-with-interferon-maintenance-in-indolent-lymphoma-results-of-a-randomized-study
#3
Loretta J Nastoupil, Peter McLaughlin, Lei Feng, Sattva S Neelapu, Felipe Samaniego, Fredrick B Hagemeister, Ana Ayala, Jorge E Romaguera, Andre H Goy, Eleanor Neal, Michael Wang, Luis Fayad, Michelle A Fanale, Yasuhiro Oki, Jason R Westin, Maria A Rodriguez, Fernando Cabanillas, Nathan H Fowler
We report a single-centre, randomized study evaluating the efficacy and safety of concurrent fludarabine, mitoxantrone, dexamethasone (FND) and rituximab versus sequential FND followed by rituximab in 158 patients with advanced stage, previously untreated indolent lymphoma, enrolled between 1997 and 2002. Patients were randomized to 6-8 cycles of FND followed by 6 monthly doses of rituximab or 6 doses of rituximab given concurrently with FND. All patients who achieved at least a partial response received 12 months of interferon (IFN) maintenance...
March 24, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28339898/the-impact-of-the-psychoactive-substances-act-2016-on-the-online-availability-of-mdmb-chmica
#4
M Haden, D M Wood, P I Dargan
Background: In May 2016, the UK Government enacted the Psychoactive Substances Act which made it an offense to produce or supply many drugs including new psychoactive substances (NPS). Aim: We aimed to assess the impact of the Act on the availability of the synthetic cannabinoid receptor agonist methyl 2-[[1-(cyclohexylmethyl)indole-3-carbonyl]amino]-3,3-dimethylbutanoate (MDMB-CHMICA) from internet-based suppliers. Design: Internet snapshot availability study...
February 28, 2017: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/28338758/mistletoe-infestation-mediates-alteration-of-the-phytohormone-profile-and-anti-oxidative-metabolism-in-bark-and-wood-of-its-host-pinus-sylvestris
#5
Bin Hu, Hitoshi Sakakibara, Yumiko Takebayashi, Franziska S Peters, Jörg Schumacher, Monika Eiblmeier, Leila Arab, Jürgen Kreuzwieser, Andrea Polle, Heinz Rennenberg
European mistletoe (Viscum album L.) has largely infested Central European forests and causes high mortality probability particularly in dry years. However, little information is available about the consequences of mistletoe infestation for metabolic processes in bark and wood of its host, despite their important roles in infestation defense. We analyzed the tissue hydration, carbohydrate composition, phytohormone profile, reactive oxygen species and anti-oxidant levels in bark and wood of Scots pines (Pinus sylvestris L...
February 9, 2017: Tree Physiology
https://www.readbyqxmd.com/read/28338687/remote-c-h-alkylation-and-c-c-bond-cleavage-enabled-by-an-in-situ-generated-palladacycle
#6
Juntao Ye, Zhihao Shi, Theresa Sperger, Yoshifumi Yasukawa, Cian Kingston, Franziska Schoenebeck, Mark Lautens
The direct and selective functionalization of C-H bonds of arenes is one of the most challenging yet valuable aims in organic synthesis. Despite notable recent achievements, a pre-installed directing group proved to be essential in most of the methodologies reported so far. In this context, the use of a transient directing group that can be generated in situ has attracted attention and demonstrated the great potential of this strategy. Here we report the use of an in situ generated palladacycle to accomplish remote-selective C-H alkylation reactions of arenes...
April 2017: Nature Chemistry
https://www.readbyqxmd.com/read/28337503/gut-microbiome-related-metabolic-changes-in-plasma-of-antibiotic-treated-rats
#7
C Behr, H Kamp, E Fabian, G Krennrich, W Mellert, E Peter, V Strauss, T Walk, I M C M Rietjens, B van Ravenzwaay
The intestinal microbiota contributes to the metabolism of its host. Adequate identification of the microbiota's impact on the host plasma metabolites is lacking. As antibiotics have a profound effect on the microbial composition and hence on the mammalian-microbiota co-metabolism, we studied the effects of antibiotics on the "functionality of the microbiome"-defined as the production of metabolites absorbed by the host. This metabolomics study presents insights into the mammalian-microbiome co-metabolism of endogenous metabolites...
March 23, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28337211/nutritional-biophysical-and-physiological-characteristics-of-wild-rocket-genotypes-as-affected-by-soilless-cultivation-system-salinity-level-of-nutrient-solution-and-growing-period
#8
Anna Bonasia, Corrado Lazzizera, Antonio Elia, Giulia Conversa
With the aim of defining the best management of nutrient solution (NS) in a soilless system for obtaining high quality baby-leaf rocket, the present study focuses on two wild rocket genotypes ("Nature" and "Naturelle"), grown in a greenhouse under two Southern Italy growing conditions-autumn-winter (AW) and winter-spring (WS)-using two soilless cultivation systems (SCS)-at two electrical conductivity values (EC) of NS. The SCSs used were the Floating System (FS) and Ebb and Flow System (EFS) and the EC values were 2...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28336407/development-of-n-hydroxycinnamamide-based-hdac-inhibitors-with-improved-hdac-inhibitory-activity-and-in-vitro-antitumor-activity
#9
Jie Zang, Baowen Shi, Xuewu Liang, Qianwen Gao, Wenfang Xu, Yingjie Zhang
Histone deacetylase inhibitors (HDACIs) are promising in the treatment of various diseases, among which cancer treatment has achieved the most success. We have previously developed series of HDACIs combining N-hydroxycinnamamide bioactive fragment and indole bioactive fragment, which showed moderate to potent antitumor activities. Herein, further structural derivatization based on our previous structure-activity relationship (SAR) got 25 novel compounds. Most compounds showed much more potent histone deacetylases (HDACs) inhibitory activity than their parent compound 1 and even the positive control SAHA...
December 7, 2016: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28336045/atypical-hand-infections
#10
REVIEW
Edward Chan, Mark Bagg
Atypical infections of the hand are caused by organisms such as Mycobacterium, fungi, and viruses, and often do not respond to conventional management. They exist within a wide spectrum of presentations, ranging from cutaneous lesions to deep infections such as tenosynovitis and osteomyelitis. Having a high clinical suspicion for atypical hand infections is vital because diagnosis often requires special tests and/or cultures. Obtaining a detailed medical, work, and travel history is extremely important. An indolent clinical course, late diagnosis, and delayed treatment are common...
April 2017: Orthopedic Clinics of North America
https://www.readbyqxmd.com/read/28335419/anti-allergic-compounds-from-the-deep-sea-derived-actinomycete-nesterenkonia-flava-mccc-1k00610
#11
Chun-Lan Xie, Qingmei Liu, Jin-Mei Xia, Yuanyuan Gao, Quan Yang, Zong-Ze Shao, Guangming Liu, Xian-Wen Yang
A novel cyclic ether, nesterenkoniane (1), was isolated from the deep-sea-derived actinomycete Nesterenkonia flava MCCC 1K00610, together with 12 known compounds, including two macrolides (2, 3), two diketopiperazines (4, 5), two nucleosides (6, 7), two indoles (8, 9), three phenolics (10-12), and one butanol derivate (13). Their structures were established mainly on detailed analysis of the NMR and MS spectroscopic data. All 13 compounds were tested for anti-allergic activities using immunoglobulin E (IgE) mediated rat mast RBL-2H3 cell model...
March 14, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28334546/-parathyroid-cancer
#12
Ivana Ságová, Matej Stančík, Peter Kentoš, Dušan Pavai, Daniela Kantárová, Anton Vaňuga, Peter Vaňuga
Parathyroid cancer is a rare endocrine malignancy, representing less than 1 % of all cases of primary hyperparathyroidism. The exact etiology of the disease remains unknown. Known risk factors include neck irradiation, end stage renal failure, genetic factors, particularly the the HPRT2/CDCT73 gene mutation. The clinical picture is often indolent, yet progressive with a trend of local invasion and metastasis formation in advanced disease. The clinical picture includes symptoms of severe and resistant hypercalcemia, requiring intensive therapy often with the need of dialysis...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/28332824/indole-substituted-benzothiazoles-and-benzoxazoles-as-selective-and-reversible-mao-b-inhibitors-for-treatment-of-parkinson-s-disease
#13
Min-Ho Nam, Moosung Park, Hyeri Park, Youngjae Kim, Seulki Yoon, Vikram Shahaji Sawant, Ji Won Choi, Jong-Hyun Park, Ki Duk Park, Sun-Joon Min, Changjoon Justin Lee, Hyunah Choo
To develop a novel, selective, and reversible MAO-B inhibitors for safer treatment of Parkinson's disease, benzothiazole and benzoxazole derivatives with indole moiety were designed and synthesized. Most of the synthesized compounds showed inhibitory activities against MAO-B and selectivity over MAO-A. The most active compound was Compound 5b, 6-fluoro-2-(1-methyl-1H-indol-5-yl)benzo[d]thiazole with an IC50 value of 29 nM with no apparent effect on MAO-A activity at 10 M. Based on the reversibility assay, Compound 5b turned out to be a fully reversible with over 95% of recovery of enzyme activity after washout of the compound...
March 23, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28332764/catalytic-asymmetric-n-alkylation-of-indoles-and-carbazoles-through-1-6-conjugate-addition-of-aza-para-quinone-methides
#14
Min Chen, Jianwei Sun
Catalytic asymmetric N-alkylation of indoles and carbazoles represents a family of important but underdeveloped reactions. Herein, we describe a new organocatalytic strategy in which in situ generated aza-para-quinone methides are employed as the alkylating reagent. With the proper choice of a chiral phosphoric acid and an N-protective group, the intermolecular C-N bond formation with various indole and carbazole nucleophiles proceeded efficiently under mild conditions with excellent enantioselectivity and functional-group compatibility...
March 23, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28330676/stromal-gene-expression-is-predictive-for-metastatic-primary-prostate-cancer
#15
Fan Mo, Dong Lin, Mandeep Takhar, Varune Rohan Ramnarine, Xin Dong, Robert H Bell, Stanislav V Volik, Kendric Wang, Hui Xue, Yuwei Wang, Anne Haegert, Shawn Anderson, Sonal Brahmbhatt, Nicholas Erho, Xinya Wang, Peter W Gout, James Morris, R Jeffrey Karnes, Robert B Den, Eric A Klein, Edward M Schaeffer, Ashley Ross, Shancheng Ren, S Cenk Sahinalp, Yingrui Li, Xun Xu, Jun Wang, Jian Wang, Martin E Gleave, Elai Davicioni, Yinghao Sun, Yuzhuo Wang, Colin C Collins
BACKGROUND: Clinical grading systems using clinical features alongside nomograms lack precision in guiding treatment decisions in prostate cancer (PCa). There is a critical need for identification of biomarkers that can more accurately stratify patients with primary PCa. OBJECTIVE: To identify a robust prognostic signature to better distinguish indolent from aggressive prostate cancer (PCa). DESIGN, SETTING, AND PARTICIPANTS: To develop the signature, whole-genome and whole-transcriptome sequencing was conducted on five PCa patient-derived xenograft (PDX) models collected from independent foci of a single primary tumor and exhibiting variable metastatic phenotypes...
March 19, 2017: European Urology
https://www.readbyqxmd.com/read/28330319/roles-of-plant-hormones-and-anti-apoptosis-genes-during-drought-stress-in-rice-oryza-sativa-l
#16
Mohammad Ubaidillah, Fika Ayu Safitri, Jun-Hyeon Jo, Sang-Kyu Lee, Adil Hussain, Bong-Gyu Mun, Il Kyung Chung, Byung-Wook Yun, Kyung-Min Kim
We previously identified the rice (Oryza sativa) senescence-associated gene OsSAP which encodes a highly conserved protein involved in anti-apoptotic activity. This novel Bax suppressor-related gene regulates tolerance to multiple stresses in yeast. Here, we show the effects of drought stress on leaf and root tissues of plants over-expressing OsSAP in relation to the levels of phytohormones, abscisic acid (ABA), jasmonic acid (JA), indole-3-carboxylic acid (ICA), gibberellic acid (GA3), and zeatin. Results showed that rice plants over-expressing SAP were tolerant to drought stress compared to wild type and the plants over-expressing AtBI-1, which is a homolog of the human Bax inhibitor-1 in Arabidopsis...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330314/bioremediation-of-heavy-metals-using-an-endophytic-bacterium-paenibacillus-sp-rm-isolated-from-the-roots-of-tridax-procumbens
#17
M Govarthanan, R Mythili, T Selvankumar, S Kamala-Kannan, A Rajasekar, Young-Cheol Chang
The aim of the present study was to assess the bioremediation potential of endophytic bacteria isolated from roots of Tridax procumbens plant. Five bacterial endophytes were isolated and subsequently tested for minimal inhibitory concentration (MIC) against different heavy metals. Amongst the five isolates, strain RM exhibited the highest resistance to copper (750 mg/l), followed by zinc (500 mg/l), lead (450 mg/l), and arsenic (400 mg/l). Phylogenetic analysis of the 16S rDNA sequence suggested that strain RM was a member of genus Paneibacillus...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330299/detection-of-antimicrobial-traits-in-fluorescent-pseudomonads-and-molecular-characterization-of-an-antibiotic-pyoluteorin
#18
J U Vinay, M K Naik, R Rangeshwaran, G Chennappa, Sohel S Shaikh, R Z Sayyed
Thirty isolates of fluorescent pseudomonads were obtained from rhizosphere of different crops in Raichur, India. The fluorescent pseudomonad strains were characterized in vitro for biochemical traits, antimicrobial traits, and pyoluteorin antibiotic production. All the isolates that showed fluorescent pigment production under UV light were rod shaped, Gram negative, positive for oxidase, catalase and citrate utilization tests, and negative for indole test. Out of 30 isolates, 07 isolates were positive for HCN production, 15 isolates were positive for H2S production, and all the isolates were positive for siderophore production...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330243/micropropagation-and-validation-of-genetic-and-biochemical-fidelity-among-regenerants-of-nothapodytes-nimmoniana-graham-mabb-employing-issr-markers-and-hplc
#19
Lokesh Prakash, Sushil Kumar Middha, Sudipta Kumar Mohanty, Mallappa Kumara Swamy
An in vitro protocol has been established for clonal propagation of Nothapodytes nimmoniana which is an important source of Camptothecin (CPT). Elite source was identified based on the chemical potency to accumulate the optimum level of CPT. Different types and concentrations of plant growth regulators were used to study their effect on inducing multiple shoots from the explants regenerated from embryos of N. nimmoniana. Of these, a combination of N6-benzyladenine (0.2 mg L(-1)) and Indole-3-butyric acid (IBA) (0...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330230/isolation-and-biological-evaluation-of-n-4-aminocyclooctyl-3-5-dinitrobenzamide-a-new-semisynthetic-derivative-from-the-mangrove-associated-actinomycete-pseudonocardia-endophytica-vuk-10
#20
Usha Kiranmayi Mangamuri, Muvva Vijayalakshmi, Sudhakar Poda, Bramanandam Manavathi, Bhujangarao Chitturi, Venkateswarlu Yenamandra
The present study was aimed to isolate novel bioactive compounds from actinomycetes species isolated from mangrove habitats. With this connection, Pseudonocardia endophytica (VUK-10) was isolated using dilution plate technique and was examined for its secondary metabolite profiling. After successive purification and spectroscopic characterization viz., FTIR, mass, NMR, DEPT, HMQC, HMBC, and COSY spectroscopy, two compounds were identified including a semi synthetic derivative N-(4-aminocyclooctyl)-3, 5-dinitrobenzamide (1), obtained from the precursor of novel natural product cyclooctane-1,4-diamine (3), along with a known compound 3-((1H-indol-6-yl) methyl) hexahydropyrrolo [1, 2-a] pyrazine-1, 4-dione (2)...
December 2016: 3 Biotech
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