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https://www.readbyqxmd.com/read/29772486/quantitative-microbial-risk-assessment-of-microbial-source-tracking-markers-in-recreational-water-contaminated-with-fresh-untreated-and-secondary-treated-sewage
#1
Warish Ahmed, Kerry A Hamilton, Aldo Lobos, Bridie Hughes, Christopher Staley, Michael J Sadowsky, Valerie J Harwood
Microbial source tracking (MST) methods have provided the means to identify sewage contamination in recreational waters, but the risk associated with elevated levels of MST targets such as sewage-associated Bacteroides HF183 and other markers is uncertain. Quantitative microbial risk assessment (QMRA) modeling allows interpretation of MST data in the context of the risk of gastrointestinal (GI) illness caused by exposure to known reference pathogens. In this study, five sewage-associated, quantitative PCR (qPCR) MST markers [Bacteroides HF183 (HF183), Methanobrevibacter smithii nifH (nifH), human adenovirus (HAdV), human polyomavirus (HPyV) and pepper mild mottle virus (PMMoV)] were evaluated to determine at what concentration these nucleic acid markers reflected a significant health risk from exposure to fresh untreated or secondary treated sewage in beach water...
May 14, 2018: Environment International
https://www.readbyqxmd.com/read/29770817/the-dietary-compound-luteolin-inhibits-pancreatic-cancer-growth-by-targeting-bcl-2
#2
Zhimei Li, Yiyuan Zhang, Lixia Chen, Hua Li
Overexpression of the prosurvival protein BCL-2 contributes to malignant cell initiation, progression and resistance to treatment. Agents that function as its natural antagonists targeting BCL-2 must provide therapeutic benefit. In SW1990 pancreatic cancer cells, amplified BCL-2 was observed, which was believed to offer advantages for malignant cell survival and lead to poor patient outcome. Using structure-based virtual ligand screening, luteolin was found to be a natural small-molecule inhibitor of BCL-2, which exhibited dose-response proapoptosis activity in a BCL-2 dependent manner in vitro...
May 17, 2018: Food & Function
https://www.readbyqxmd.com/read/29767441/hydrogen-sulfide-pathway-and-skeletal-muscle-an-introductory-review
#3
REVIEW
Valentina Vellecco, Chiara Armogida, Mariarosaria Bucci
The presence of H2 S pathway in skeletal muscle (SKM) has been recently established. SKM expresses the three constitutive H2 S generating enzymes in animals and humans and it actively produces H2 S. The main recognized molecular targets of H2 S, i.e. potassium channels and phosphodiesterases, have been evaluated in SKM physiology in order to hypothesize a role for H2 S signaling. SKM dysfunctions, including muscular dystrophy and malignant hyperthermia, have been also evaluated as conditions in which H2 S-pathway and the trans-sulfuration pathway have been suggested to be involved...
May 16, 2018: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29766296/characterization-of-in-vivo-metabolites-in-rat-urine-following-an-oral-dose-of-masitinib-by-liquid-chromatography-tandem-mass-spectrometry
#4
Adnan A Kadi, Sawsan M Amer, Hany W Darwish, Mohamed W Attwa
Masitinib (MST) is an orally administered drug that targets mast cells and macrophages, important cells for immunity, by inhibiting a limited number of tyrosine kinases. It is currently registered in Europe and USA for the treatment of mast cell tumors in dogs. AB Science announced that the European Medicines Agency has accepted a conditional marketing authorization application for MST to treat amyotrophic lateral sclerosis. In our work, we focused on studying in vivo metabolism of MST in Sprague-Dawley rats...
May 15, 2018: Chemistry Central Journal
https://www.readbyqxmd.com/read/29763431/the-efficacy-of-life-review-therapy-combined-with-memory-specificity-training-lrt-mst-targeting-cancer-patients-in-palliative-care-a-randomized-controlled-trial
#5
Gitta Kleijn, Birgit I Lissenberg-Witte, Ernst T Bohlmeijer, Bas Steunenberg, Kitty Knipscheer-Kuijpers, Vincent Willemsen, Annemarie Becker, Egbert F Smit, Corien M Eeltink, Anna M E Bruynzeel, Maurice van der Vorst, Remco de Bree, C René Leemans, Michiel W M van den Brekel, Pim Cuijpers, Irma M Verdonck-de Leeuw
BACKGROUND: The aim of this study was to evaluate the efficacy of an intervention combining Life Review Therapy (LRT) and Memory Specificity Training (MST) (LRT-MST) to improve ego-integrity and despair among cancer patients in palliative care. METHODS: In this multicentre randomized controlled trial, cancer patients in palliative care were randomized to the intervention group (LRT-MST; n = 55) or waiting-list control group (n = 52). LRT-MST is a 4-session home-based psychological intervention that aims to retrieve specific positive memories, to re-evaluate life events and to reconstruct the story of a patient's life, including the diagnosis of incurable cancer...
2018: PloS One
https://www.readbyqxmd.com/read/29756969/-validation-of-nutritional-screening-malnutrition-screening-tool-compared-to-other-screening-tools-and-the-nutritional-assessment-in-different-social-and-health-areas
#6
Icíar Castro-Vega, Silvia Veses Martín, Juana Cantero Llorca, Christian Salom Vendrell, Celia Bañuls, Antonio Hernández Mijares
INTRODUCTION: nutritional screenings are used to detect nutritional risk, allow early intervention and influence the prognosis. The Malnutrition Screening Tool (MST) is only validated in hospitalized patients and oncology outpatients. OBJECTIVES: to analyze the nutritional screening MST, Malnutrition Universal Screening Tool (MUST) and Mini Nutritional Assessment-Short Form (MNA-sf) compared to the nutritional assessment gold standard according to socio-sanitary areas and age groups; and to assess the utility of the MST in those areas where it has not been validated...
February 16, 2018: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29755101/-outcome-of-surgical-treatment-of-locally-advanced-lung-cancer-after-induction-chemoradiotherapy
#7
Masayuki Tanahashi, Haruhiro Yukiue, Eriko Suzuki, Naoko Yoshii, Shinsuke Kitazawa, Yasunori Kaminuma, Hiroshi Niwa
OBJECTIVE: The outcome of surgical treatment of non-small-cell lung cancer after induction chemoradiotherapy was investigated. SUBJECTS: The subjects were 74 patients with non-small-cell lung cancer who received induction chemoradiotherapy( ICRT) between 1998 and 2016. ICRT was administered to pT3 lung cancer invading the chest wall(20 patients), pT4 lung cancer invading the adjacent organ(22 patients), and cN2 lung cancer(32 patients). cN2 was confirmed by mediastinoscopy(13 patients) and endobronchial ultrasound-guided transbronchial needle aspiration(EBUS-TBNA)(19 patients)...
April 2018: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/29752952/will-forest-size-structure-follow-the-2-power-law-distribution-under-ideal-demographic-equilibrium-state
#8
Jian Zhou, Guanghui Lin
Scaling relations formed in forest development processes are fairly important for understanding and predicting forest dynamics. During self-thinning of a relatively even-sized forest, tree abundance will decrease with an increase in average tree size, forming the size-abundance relation (SAR); while for a size-structured forest under the demographic equilibrium state, the frequency of trees also varies with size classes in a similar pattern, manifesting as the size-frequency distribution (SFD). In the metabolic scaling theory (MST), the two scaling relations are considered to be consistent...
May 9, 2018: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/29748481/mdm2-overexpression-modulates-the-angiogenesis-related-gene-expression-profile-of-prostate-cancer-cells
#9
Thiagarajan Venkatesan, Ali Alaseem, Aiyavu Chinnaiyan, Sivanesan Dhandayuthapani, Thanigaivelan Kanagasabai, Khalid Alhazzani, Priya Dondapati, Saad Alobid, Umamaheswari Natarajan, Ruben Schwartz, Appu Rathinavelu
The Murine Double Minute 2 (MDM2) amplification or overexpression has been found in many tumors with high metastatic and angiogenic ability. Our experiments were designed to explore the impact of MDM2 overexpression, specifically on the levels of angiogenesis-related genes, which can also play a major role in tumor propagation and increase its metastatic potential. In the present study, we have used the human angiogenesis RT² profiler PCR array to compare the gene expression profile between LNCaP and LNCaP-MST (MDM2 transfected) prostate cancer cells, along with LNCaP-MST cells treated with Nutlin-3, an MDM2 specific inhibitor...
May 10, 2018: Cells
https://www.readbyqxmd.com/read/29742891/clinical-analysis-of-117-cases-with-synchronous-multiple-primary-esophageal-squamous-cell-carcinomas
#10
Zhiqin Chen, Sihan Li, Zheng He, Guang Li
Background/Aims: We aimed to study the clinical characteristics, treatment modality, and the prognosis of synchronous multiple primary esophageal squamous cell carcinomas (SMPESCC). Methods: A total of 117 SMPESCC cases were evaluated retrospectively from 2010 to 2015. Results: The most common locations of SMPESCC were mid- and lower thoracic segments (n = 208, 84.9%). The 1-, 2-, and 3-year overall survival rates were 53.8%, 30.8%, and 15...
May 11, 2018: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/29742619/loss-of-function-mutation-in-hippo-suppressed-enlargement-of-lysosomes-and-neurodegeneration-caused-by-dfig4-knockdown
#11
Yukie Kushimura, Yumiko Azuma, Ikuko Mizuta, Yuuka Muraoka, Akane Kyotani, Hideki Yoshida, Takahiko Tokuda, Toshiki Mizuno, Masamitsu Yamaguchi
Charcot-Marie-Tooth disease (CMT) is the most common hereditary neuropathy, and more than 80 CMT-causing genes have been identified to date. CMT4J is caused by a loss-of-function mutation in the Factor-Induced-Gene 4 (FIG4) gene, the product of which plays important roles in endosome-lysosome homeostasis. We hypothesized that Mammalian sterile 20-like kinase (MST) 1 and 2, tumor-suppressor genes, are candidate modifiers of CMT4J. We therefore examined the interaction between dFIG4 and Hippo (hpo), Drosophila counterparts of FIG4 and MSTs, respectively, using the Drosophila CMT4J model with the knockdown of dFIG4...
May 8, 2018: Neuroreport
https://www.readbyqxmd.com/read/29740218/paeoniflorin-inhibits-glioblastoma-growth-in-vivo-and-in-vitro-a-role-for-the-triad3a-dependent-ubiquitin-proteasome-pathway-in-tlr4-degradation
#12
Zhaotao Wang, Guoyong Yu, Zhi Liu, Jianwei Zhu, Chen Chen, Ru-En Liu, Ruxiang Xu
Background: Paeoniflorin, a polyphenolic compound derived from Radix Paeoniae Alba ( Paeonia lactiflora ), has exhibited anticancer activity in various human cancers, including glioblastoma. However, the mechanisms underlying the effects of this compound have not been fully elucidated. Toll-like receptor 4 (TLR4) plays an important role in the regulation of cancer cell proliferation and progression, and high TLR4 expression in glioblastoma specimens is associated with a poor prognosis...
2018: Cancer Management and Research
https://www.readbyqxmd.com/read/29738497/a-cooperative-search-and-coverage-algorithm-with-controllable-revisit-and-connectivity-maintenance-for-multiple-unmanned-aerial-vehicles
#13
Zhong Liu, Xiaoguang Gao, Xiaowei Fu
In this paper, we mainly study a cooperative search and coverage algorithm for a given bounded rectangle region, which contains several unknown stationary targets, by a team of unmanned aerial vehicles (UAVs) with non-ideal sensors and limited communication ranges. Our goal is to minimize the search time, while gathering more information about the environment and finding more targets. For this purpose, a novel cooperative search and coverage algorithm with controllable revisit mechanism is presented. Firstly, as the representation of the environment, the cognitive maps that included the target probability map (TPM), the uncertain map (UM), and the digital pheromone map (DPM) are constituted...
May 8, 2018: Sensors
https://www.readbyqxmd.com/read/29735419/characteristics-of-ictal-eeg-in-magnetic-seizure-therapy-at-various-stimulation-frequencies
#14
Felicity A Backhouse, Yoshihiro Noda, Yuliya Knyahnytska, Faranak Farzan, Jonathan Downar, Tarek K Rajji, Benoit H Mulsant, Zafiris J Daskalakis, Daniel M Blumberger
OBJECTIVES: The first objective of this study aimed to elucidate the relationship between seizure characteristics and Magnetic Seizure Therapy (MST) treatment outcome. The second objective was to determine the effect of stimulation frequency on seizure characteristics. METHODS: Using a between-subjects design, we compared the seizures of patients with unipolar depression receiving MST at three separate stimulation frequencies: 25 Hz (n = 34), 50 Hz (n = 16) and 100 Hz (n = 11)...
April 22, 2018: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29720127/primary-cardiac-myxofibrosarcoma-case-report-literature-review-and-pooled-analysis
#15
Dandan Sun, Yupeng Wu, Yan Liu, Jun Yang
BACKGROUND: Primary cardiac myxofibrosarcoma is a very rare cardiac malignancy. The majority of publications are limited to case reports. No pooled analyses of primary cardiac myxofibrosarcoma cases are available. Little clinical features and outcome patterns are acknowledged. The purpose of this study is to identify the clinical characteristics and prognostic factors of primary cardiac myxofibrosarcoma. CASE PRESENTATION: A case report of primary cardiac myxofibrosarcoma was presented, and a review of English language literatures of primary cardiac myxofibrosarcomas were performed electronically...
May 2, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29707300/clinical-results-of-multimodality-therapy-for-esophageal-cancer-with-distant-metastasis
#16
Masakuni Sakaguchi, Toshiya Maebayashi, Takuya Aizawa, Naoya Ishibashi, Tsutomu Saito
Background: The purpose of this study is to evaluate outcomes in upfront local response and survival of patients with esophageal cancer and distant metastasis. Methods: This retrospective study included 34 patients (25 males) aged 42-92 years (median, 70 years) with a histological diagnosis of esophageal squamous cell cancer with distant metastasis. Staging was performed according to the UICC's TNM (6th edition) classification of malignant tumor. Results: The median survival time (MST) was 5 months...
March 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29706888/antinociceptive-and-anxiolytic-and-sedative-effects-of-methanol-extract-of-anisomeles-indica-an-experimental-assessment-in-mice-and-computer-aided-models
#17
Md Josim Uddin, A S M Ali Reza, Md Abdullah-Al-Mamun, Mohammad S H Kabir, Mst Samima Nasrin, Sharmin Akhter, Md Saiful Islam Arman, Md Atiar Rahman
Anisomeles indica (L.) kuntze is widely used in folk medicine against various disorders including allergy, sores, inflammation, and fever. This research investigated the antinociceptive, anxiolytic and sedative effects of A. indica methanol extract. The antinociceptive activity was assessed with the acetic acid-induced writhing test and formalin-induced flicking test while sedative effects with open field and hole cross tests and anxiolytic effects with elevated plus maze (EPM) and thiopental-induced sleeping time tests were assayed...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29704467/xanthomonas-oryzae-pv-oryzae-tale-proteins-recruit-ostfiia%C3%AE-1-to-compensate-for-the-absence-of-ostfiia%C3%AE-5-in-bacterial-blight-in-rice
#18
Wenxiu Ma, Lifang Zou, Zhiyuan Ji, Xiameng Xu, Zhengyin Xu, Yangyang Yang, James R Alfano, Gongyou Chen
Xanthomonas oryzae pv. oryzae (Xoo), causal agent of bacterial blight (BB) of rice, uses transcription activator-like effectors (TALEs) to interact with the basal transcription factor gama subunit OsTFIIAγ5 (Xa5) and activates transcription of host genes. However, how OsTFIIAγ1, the other OsTFIIAγ protein, functions in the presence of TALEs remains unclear. In this study, we show that OsTFIIAγ1 plays a compensatory role in the absence of Xa5. The expression of OsTFIIAγ1, which is activated by TALE PthXo7, increased the expression of host genes targeted by avirulent and virulent TALEs...
April 28, 2018: Molecular Plant Pathology
https://www.readbyqxmd.com/read/29704246/sugars-en-route-to-the-roots-transport-metabolism-and-storage-within-plant-roots-and-towards-microorganisms-of-the-rhizosphere
#19
Nils Hennion, Mickael Durand, Cécile Vriet, Joan Doidy, Laurence Maurousset, Rémi Lemoine, Nathalie Pourtau
In plants, root is a typical sink organ that relies exclusively on the import of sugar from the aerial parts. Sucrose is delivered by the phloem to the most distant root tips and, en route to the tip, is used by the different root tissues for metabolism and storage. Besides, a certain portion of this carbon is exuded in the rhizosphere, supplied to beneficial microorganisms and diverted by parasitic microbes. The transport of sugars towards these numerous sinks either occurs symplastically through cell connections (plasmodesmata) or is apoplastically mediated through membrane transporters (MST, SUT/SUC and SWEET) that control monosaccharide and sucrose fluxes...
April 28, 2018: Physiologia Plantarum
https://www.readbyqxmd.com/read/29699448/comparative-study-of-polyethylene-polyamines-as-activator-molecules-for-a-structurally-unstable-group-i-ribozyme
#20
Mst Ara Gulshan, Shigeyoshi Matsumura, Tsunehiko Higuchi, Naoki Umezawa, Yoshiya Ikawa
Polyamines are a promising class of molecules that can modulate RNA enzyme activities. To analyze the effects of the number of amine moieties systematically, we employed four polyamines sharing dimethylene units to connect amine moieties. As a model RNA enzyme, we used a structurally unstable group I ribozyme, which was activated most and least efficiently by tetraethylenepentamine and diethylenetriamine respectively.
April 26, 2018: Bioscience, Biotechnology, and Biochemistry
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