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https://www.readbyqxmd.com/read/29156697/exploring-brusatol-as-a-new-anti-pancreatic-cancer-adjuvant-biological-evaluation-and-mechanistic-studies
#1
Zheng Lu, Zheng-Quan Lai, Albert W N Leung, Po Sing Leung, Zhao-Shen Li, Zhi-Xiu Lin
Pancreatic cancer is highly resistant to chemotherapeutic agents and is known to have a poor prognosis. The development of new therapeutic entities is badly needed for this deadly malignancy. In this study, we demonstrated for the first time that brusatol, a natural quassinoid isolated from a Chinese herbal medicine named Bruceae Fructus, possessed potent cytotoxic effect against different pancreatic adenocarcinoma cell lines. Its anti-pancreatic cancer effect was comparable to that of the first-line chemotherapeutic agents such as gemcitabine and 5-fluorouracil, with a more favorable safety profile...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29155503/relatives-in-silent-kidney-disease-screening-risks-study-a-chinese-cohort-study
#2
Philip Kam-Tao Li, Jack Kit-Chung Ng, Yuk Lun Cheng, Tze Hoi Kwan, Chi Bon Leung, Miu Fong Lau, Koon Shing Choi, Samuel Ka-Shun Fung, Yiu Wing Ho, Siu Ka Mak, Sydney Chi-Wai Tang, Kin Shing Wong, David Yong, Sing Leung Lui
AIM: Family members of patients with end-stage renal disease (ESRD) have higher risk for chronic kidney disease (CKD). Limited study has examined the risk of developing CKD in relatives of patients in earlier stages of CKD. METHODS: From January 2008 to June 2009, the Hong Kong Society of Nephrology studied first-degree relatives of stage 1-5 CKD patients from 11 local hospitals. A total of 844 relatives of 466 index CKD patients (stages 1-2: 29.6%; stage 3: 16...
December 2017: Nephrology
https://www.readbyqxmd.com/read/29155495/addressing-the-burden-of-dialysis-around-the-world-a-summary-of-the-roundtable-discussion-on-dialysis-economics-at-the-first-international-congress-of-chinese-nephrologists-2015
#3
REVIEW
Philip Kam-Tao Li, Sing Leung Lui, Jack Kit-Chung Ng, Guan Yan Cai, Christopher T Chan, Hung Chun Chen, Alfred K Cheung, Koon Shing Choi, Hui Lin Choong, Stanley L Fan, Loke Meng Ong, Linda Wai Ling Yu, Xue Qing Yu
To address the issue of heavy dialysis burden due to the rising prevalence of end-stage renal disease around the world, a roundtable discussion on the sustainability of managing dialysis burden around the world was held in Hong Kong during the First International Congress of Chinese Nephrologists in December 2015. The roundtable discussion was attended by experts from Hong Kong, China, Canada, England, Malaysia, Singapore, Taiwan and United States. Potential solutions to cope with the heavy burden on dialysis include the prevention and retardation of the progression of CKD; wider use of home-based dialysis therapy, particularly PD; promotion of kidney transplantation; and the use of renal palliative care service...
December 2017: Nephrology
https://www.readbyqxmd.com/read/29154023/triple-negative-breast-cancer-in-asia-an-insider-s-view
#4
REVIEW
Chao Wang, Shreya Kar, Xianning Lai, Wanpei Cai, Frank Arfuso, Gautam Sethi, Peter E Lobie, Boon C Goh, Lina H K Lim, Mikael Hartman, Ching W Chan, Soo C Lee, Sing H Tan, Alan P Kumar
While tremendous improvement has been made for the treatment of breast cancers, the treatment of triple negative breast cancer (TNBC) still remains a challenge due to its aggressive characteristics and limited treatment options. Most of the studies on TNBC were conducted in Western population and TNBC is reported to be more frequent in the African women. This review encapsulates the studies conducted on TNBC patients in Asian population and elucidates the similarities and differences between these two regions...
November 10, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/29145516/preconceptual-zika-virus-asymptomatic-infection-protects-against-secondary-prenatal-infection
#5
Lucien H Turner, Jeremy M Kinder, Adrienne Wilburn, Rahul J D'Mello, Makayla R Braunlin, Tony T Jiang, Giang Pham, Sing Sing Way
Pregnant women, and their fetal offspring, are uniquely susceptible to Zika virus and other microbial pathogens capable of congenital fetal infection. Unavoidable exposure to Zika virus in endemic areas underscores the need for identifying at-risk individuals, and protecting expecting mothers and their fetal offspring against prenatal infection. Here we show that primary Zika virus asymptomatic infection in mice confers protection against re-infection, and that these protective benefits are maintained during pregnancy...
November 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/29140876/evidence-based-guidance-to-assist-volunteers-working-with-at-risk-children-in-a-school-context
#6
Emmy De Buck, Philippe Vandekerckhove, Karin Hannes
AIM: One of the activities of the Belgian Red Cross is the 'Bridging the Gap' project, in collaboration with local schools. In this project, volunteers join the teaching staff to improve personal development goals in at-risk children with poor performance. The aim of this study was to develop evidence-based guidance for the volunteers to help them choose the right didactical approach for supporting these children. METHOD: Systematic literature searches were performed in three bibliographic databases (the Campbell Library, MEDLINE and ERIC) to find the effectiveness of 16 different didactical activities...
November 14, 2017: International Journal of Evidence-based Healthcare
https://www.readbyqxmd.com/read/29139306/equilibria-kinetics-and-mechanism-for-the-degradation-of-the-cytotoxic-compound-l-n-g-nitroarginine
#7
Pham Van Quyet, Bernice Mei Jin Tan, Celine Valeria Liew, Lai Wah Chan, Quan Sing Ng, Paul Wan Sia Heng
L-N(G)-nitroarginine (LNNA), an analogue of L-arginine, is a competitive inhibitor of nitric oxide synthase which causes the selective reduction of blood flow to tumor cells. Despite the potential of LNNA to function as an adjuvant in cancer therapies, its poor solubility and stability have hindered the development of an injectable formulation of LNNA that is suitable for human administration. This work, for the first time, details a systematic study on the determination of equilibrium Ka constants and the rate law of LNNA degradation...
November 15, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/29138846/itr%C3%A2-284-modulates-cell-differentiation-in-human-chronic-myelogenous-leukemia-k562-cells
#8
Jai-Sing Yang, Chao-Ying Lee, Hsin-Chung Cho, Chi-Cheng Lu, Sheng-Chu Kuo, Yen-Fang Wen, Fuu-Jen Tsai, Miau-Rong Lee, Shih-Chang Tsai
ITR‑284 is a carboxamide analog that can inhibit proliferation in human promyelocytic leukemia HL-60 cells. To understand the effects and molecular mechanisms of ITR‑284 in human erythromyeloblastoid leukemia, we treated K562 cells with different concentrations of ITR‑284 (0, 2, 4, 6, 8 and 10 nM) and all-trans retinoic acid (ATRA) (0, 0.1, 0.5, 1, 5 and 10 µM) for 24 h. The IC50 of ITR‑284 was ~10 nM in K562 cells treated for 24 h as determined by MTT assay. May-Grünwald-Giemsa staining and nitro blue tetrazolium (NBT) assays were used to determine cell morphology changes and differentiation after ITR‑284 and ATRA treatment...
November 9, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29138806/effect-of-bis-hydroxymethyl-alkanoate-curcuminoid-derivative-mth-3-on-cell-cycle-arrest-apoptotic-and-autophagic-pathway-in-triple-negative-breast-adenocarcinoma-mda-mb-231-cells-an-in-vitro-study
#9
Ling-Chu Chang, Min-Tsang Hsieh, Jai-Sing Yang, Chi-Cheng Lu, Fuu-Jen Tsai, Je-Wei Tsao, Yu-Jen Chiu, Sheng-Chu Kuo, Kuo-Hsiung Lee
Curcumin has been shown to exert potential antitumor activity in vitro and in vivo involved in multiple signaling pathways. However, the application of curcumin is still limited because of its poor hydrophilicity and low bio-availability. In the present study, we investigated the therapeutic effects of a novel and water soluble bis(hydroxymethyl) alkanoate curcuminoid derivative, MTH-3, on human breast adenocarcinoma MDA-MB-231 cells. This study investigated the effect of MTH-3 on cell viability, cell cycle and induction of autophagy and apoptosis in MDA-MB-231 cells...
November 14, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29137545/exploring-the-perceived-health-benefits-of-singing-in-a-choir-an-international-cross-sectional-mixed-methods-study
#10
Hilary Moss, Julie Lynch, Jessica O'Donoghue
AIM: This mixed-methods exploratory study investigates the perceived health benefits of singing in a choir from an international sample of choristers. METHOD: An online questionnaire including demographic information, 28 quantitative statements and two qualitative questions relating to the perceived health benefits of singing in a choir was distributed via email and social media over a period of 4 months to a sample of 1,779 choristers. Basic descriptives and comparisons between subgroups of the sample are presented along with thematic analysis of qualitative comments...
November 1, 2017: Perspectives in Public Health
https://www.readbyqxmd.com/read/29136777/anti-hypertensive-and-vasodilatory-effects-of-amended-banxia-baizhu-tianma-tang
#11
Chu Shan Tan, Yean Chun Loh, Chiew Hoong Ng, Yung Sing Ch'ng, Mohd Zaini Asmawi, Mariam Ahmad, Mun Fei Yam
Although Banxia Baizhu Tianma Tang (BBT) has been long administered for hypertensive treatment in Traditional Chinese Medicine (TCM), the ratio of the herbal components that makes up the formulation has not been optimized with respect to the anti-hypertensive effect that it inherently possesses. A newly amended BBT (ABBT) formulation was developed using the evidence-based approach of orthogonal stimulus-response compatibility model. The ABBT showed enhanced therapeutic effect while maintaining its traditional theoretical approach rooted in TCM...
November 7, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29135040/the-suppressive-effects-of-geniposide-and-genipin-on-helicobacter-pylori-infections-in-vitro-and-in-vivo
#12
Chiung-Hung Chang, Jin-Bin Wu, Jai-Sing Yang, Yen-Ju Lai, Chiu-Hsian Su, Chi-Cheng Lu, Yuan-Man Hsu
Geniposide and genipin have been found in Gardenia jasminoides Ellis, a traditional Chinese medicine that exhibits multiple biological functions. However, no report showing the effects of geniposide and genipin on gastric protection in Helicobacter pylori infections in vitro and in vivo has been done. In this study, we clarified how geniposide and genipin suppress H. pylori-mediated inflammation in gastric AGS cells and C57BL/6 mice. Our results demonstrated that genipin shows a strong ability to inhibit H...
November 14, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/29130840/what-works-for-wellbeing-a-systematic-review-of-wellbeing-outcomes-for-music-and-singing-in-adults
#13
Norma Daykin, Louise Mansfield, Catherine Meads, Guy Julier, Alan Tomlinson, Annette Payne, Lily Grigsby Duffy, Jack Lane, Giorgia D'Innocenzo, Adele Burnett, Tess Kay, Paul Dolan, Stefano Testoni, Christina Victor
AIMS: The role of arts and music in supporting subjective wellbeing (SWB) is increasingly recognised. Robust evidence is needed to support policy and practice. This article reports on the first of four reviews of Culture, Sport and Wellbeing (CSW) commissioned by the Economic and Social Research Council (ESRC)-funded What Works Centre for Wellbeing ( https://whatworkswellbeing.org/ ). OBJECTIVE: To identify SWB outcomes for music and singing in adults. METHODS: Comprehensive literature searches were conducted in PsychInfo, Medline, ERIC, Arts and Humanities, Social Science and Science Citation Indexes, Scopus, PILOTS and CINAHL databases...
November 1, 2017: Perspectives in Public Health
https://www.readbyqxmd.com/read/29129063/pd-catalyzed-dearomative-3-2-cycloaddition-of-3-nitroindoles-with-2-vinylcyclopropane-1-1-dicarboxylates
#14
Yi Sing Gee, Daniel J Rivinoja, Steven Mark Wales, Michael G Gardiner, John H Ryan, Christopher J T Hyland
A trans-diastereoselective Pd-catalyzed dearomative [3 + 2] cycloaddition between vinylcyclopropane dicarboxylates and 3-nitroindoles has been developed. The reaction provides densely functionalised cyclopenta[b]indolines with versatile vinyl and nitro-groups. The addition of a halide additive was found to be critical for the diastereoselectivity of the reaction, which is proposed to be a result of a rapid π-σ-π interconversion between the intermediates allowing for Curtin-Hammett control. A switch in diastereoselectivity to afford products with the vinyl and nitro groups cis to each other is observed with a 4-substituted 3-nitroindole...
November 12, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/29128898/21-gene-recurrence-score-for-prognosis-and-prediction-of-taxane-benefit-after-adjuvant-chemotherapy-plus-endocrine-therapy-results-from-nsabp-b-28-nrg-oncology
#15
Eleftherios P Mamounas, Gong Tang, Soonmyung Paik, Frederick L Baehner, Qing Liu, Jong-Hyeon Jeong, S Rim Kim, Steven M Butler, Farid Jamshidian, Diana B Cherbavaz, Amy P Sing, Steven Shak, Thomas B Julian, Barry C Lembersky, D Lawrence Wickerham, Joseph P Costantino, Norman Wolmark
BACKGROUND: The 21-gene recurrence score (RS) predicts outcome and benefit from adjuvant chemotherapy benefit in breast cancer patients treated with adjuvant endocrine therapy. In the NSABP B-28 study, we evaluated the 21-gene RS for its prognostic impact and its ability to predict benefit from paclitaxel (P) in node-positive, estrogen receptor-positive (ER+) breast cancer patients treated with adjuvant chemotherapy plus tamoxifen. METHODS: The B-28 trial compared doxorubicin/cyclophosphamide (AC) with AC followed by P in 3060 patients...
November 11, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29128889/the-role-of-neuron-glia-interactions-in-the-emergence-of-ultra-slow-oscillations
#16
Siow-Cheng Chan, Siew-Ying Mok, Danny Wee-Kiat Ng, Sing-Yau Goh
Ultra-slow cortical oscillatory activity of 1-100 mHz has been recorded in human by electroencephalography and in dissociated cultures of cortical rat neurons, but the underlying mechanisms remain to be elucidated. This study presents a computational model of ultra-slow oscillatory activity based on the interaction between neurons and astrocytes. We predict that the frequency of these oscillations closely depends on activation of astrocytes in the network, which is reflected by oscillations of their intracellular calcium concentrations with periods between tens of seconds and minutes...
November 11, 2017: Biological Cybernetics
https://www.readbyqxmd.com/read/29127540/evaluation-of-lighting-systems-carbon-sources-and-bacteria-cultures-on-photofermentative-hydrogen-production
#17
Chengcheng Hu, Sing-Ying Choy, Apostolos Giannis
Fluorescent and incandescent lighting systems were applied for batch photofermentative hydrogen production by four purple non-sulfur photosynthetic bacteria (PNSB). The hydrogen production efficiency of Rhodopseudomonas palustris, Rhodobacter sphaeroides, Rhodobacter capsulatus, and Rhodospirillum rubrum was evaluated using different carbon sources (acetate, butyrate, lactate, and malate). Incandescent light was found to be more effective for bacteria cell growth and hydrogen production. It was observed that PNSB followed substrate selection criteria for hydrogen production...
November 10, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/29123875/indications-of-early-intubation-for-patients-with-inhalation-injury
#18
Shinya Onishi, Akinori Osuka, Yuichi Kuroki, Masashi Ueyama
Aim: For patients with inhalation injury, the indications for early intubation are diverse. The purpose of this study was to identify the most reliable symptoms, physical findings, and medical examinations with which to determine the indications for early intubation in patients with inhalation injury. Methods: We retrospectively collected patient data from medical records. Collected data included age, sex, burn size, symptoms, physical findings, carboxyhemoglobin levels (COHb), and bronchial wall thickness (BWT) determined from chest computed tomography images...
July 2017: Acute Medicine & Surgery
https://www.readbyqxmd.com/read/29122800/studying-impact-of-nutrition-on-growth-sing-a-prospective-cohort-for-comparing-the-health-outcomes-of-young-children-with-the-dietary-quality-score
#19
Albert Lee, Calvin Ka-Man Cheung, Kenneth Lo, Vera Mei-Wan Keung, Lancelot Wai-Ho Mui, Wilson W S Tam
INTRODUCTION: This study aims to explore the prospective association between the dietary quality (DQ) of preschoolers and their health status in Hong Kong, with the body mass index as the main outcome variable. METHODS AND ANALYSIS: This prospective cohort study has recruited 3539 children aged between 2 and 4 years old, with a follow-up period of 4 years. Their diet was reported by their parents by a 3-day food diary, and their body weight and height were measured yearly with standardised instruments...
November 8, 2017: BMJ Open
https://www.readbyqxmd.com/read/29122641/regularities-in-zebra-finch-song-beyond-the-repeated-motif
#20
Julia Hyland Bruno, Ofer Tchernichovski
The proliferation of birdsong research into the neural mechanisms of vocal learning is indebted to the remarkable stereotypy of the zebra finch's song motif. Motifs are composed of several copied syllables, which birds learn to produce in a fixed order. But at a higher level of organization-the bout-zebra finch song is no longer stereotyped. Song bouts include several repetitions of the motif, which are often linked by a variable number of short "connector" vocalizations. In this conceptual methods paper, we show that combinatorial analysis alone yields an incomplete description of this bout-level structure...
November 6, 2017: Behavioural Processes
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