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https://www.readbyqxmd.com/read/28646142/efficacy-and-safety-of-tenofovir-disoproxil-fumarate-in-preventing-vertical-transmission-of-hepatitis-b-in-pregnancies-with-high-viral-load
#1
Jun-Ze Chen, Zuo-Wei Liao, Fei-Long Huang, Ru-Kui Su, Wen-Bo Wang, Xue-Yuan Cheng, Jie-Qing Chen, Jia-Qi Liu, Zhong Huang
This study was a meta-analysis of the literature on the efficacy and safety of tenofovir disoproxil fumarate (TDF) in preventing vertical transmission of hepatitis B in pregnancies with high viral load. Four observational studies and one randomized controlled trial involving 585 pregnant women and 595 newborns were included in the meta-analysis. TDF was more effective than the placebo in reducing vertical transmission in HBeAg-positive chronic hepatitis B (CHB) pregnancies with high serum HBV-DNA levels (OR = 0...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28645481/subcellular-localization-of-glycolytic-enzymes-and-characterization-of-intermediary-metabolism-of-trypanosoma-rangeli
#2
Rocío Rondón-Mercado, Héctor Acosta, Ana J Cáceres, Wilfredo Quiñones, Juan Luis Concepción
Trypanosoma rangeli is a hemoflagellate protist that infects wild and domestic mammals as well as humans in Central and South America. Although this parasite is not pathogenic for human, it is being studied because it shares with Trypanosoma cruzi, the etiological agent of Chagas' disease, biological characteristics, geographic distribution, vectors and vertebrate hosts. Several metabolic studies have been performed with T. cruzi epimastigotes, however little is known about the metabolism of T. rangeli. In this work we present the subcellular distribution of the T...
June 20, 2017: Molecular and Biochemical Parasitology
https://www.readbyqxmd.com/read/28644842/investigation-of-discriminant-metabolites-in-tamoxifen-resistant-and-choline-kinase-alpha-downregulated-breast-cancer-cells-using-1h-nuclear-magnetic-resonance-spectroscopy
#3
Hoe Suk Kim, Lianji Tian, Hyeonjin Kim, Woo Kyung Moon
Metabolites linked to changes in choline kinase-α (CK-α) expression and drug resistance, which contribute to survival and autophagy mechanisms, are attractive targets for breast cancer therapies. We previously reported that autophagy played a causative role in driving tamoxifen (TAM) resistance of breast cancer cells (BCCs) and was also promoted by CK-α knockdown, resulting in the survival of TAM-resistant BCCs. There is no comparative study yet about the metabolites resulting from BCCs with TAM-resistance and CK-α knockdown...
2017: PloS One
https://www.readbyqxmd.com/read/28640087/fatal-lactic-acidosis-in-hepatitis-b-virus-associated-decompensated-cirrhosis-treated-with-tenofovir-a-case-report
#4
Tae Yang Jung, Dae Won Jun, Kang Nyeong Lee, Hang Lak Lee, Oh Young Lee, Byung Chul Yoon, Ho Soon Choi
RATIONALE: Recently tenofovir disoproxil fumarate (TDF) has been widely used as a first-line therapy for chronic hepatitis B (CHB) infection. Although TDF demonstrates successful viral suppression, the possibility of renal failure and lactic acidosis has been proposed with TDF administration, especially in human immunodeficiency virus co-infected patients. However, TDF induced lactic acidosis has never been reported in CHB mono-infected patients. PATIENT CONCERNS: A 59-year-old man received TDF for hepatitis B associated with cirrhosis...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28639995/recovery-of-bone-mineral-density-following-discontinuation-of-tenofovir-based-hiv-pre-exposure-prophylaxis
#5
David V Glidden, Kathleen Mulligan, Vanessa McMahan, Peter L Anderson, Juan Guanira, Suwat Chariyalertsak, Susan P Buchbinder, Linda Gail Bekker, Mauro Schechter, Beatriz Grinsztejn, Robert M Grant
BACKGROUND: Oral tenofovir disoproxil fumarate (TDF) for HIV prevention and treatment is associated with decreases in bone mineral density (BMD). Previous reports suggest that these changes may be reversible after discontinuation of TDF. SETTING: A metabolic substudy of 498 participants in a randomized, placebo-controlled HIV prevention trial of oral co-formulated TDF with emtricitabine (TDF/FTC, Truvada®) for HIV preexposure prophylaxis (PrEP) enrolling a global sample of men who have sex with men and trans women...
June 19, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28638661/efficacy-and-tolerability-of-tenofovir-disoproxil-fumarate-based-regimen-as-compared-to-zidovudine-based-regimens-a-systematic-review-and-meta-analysis
#6
REVIEW
Tegene Legese Dadi, Adane Teshome Kefale, Teshale Ayele Mega, Muktar Sano Kedir, Habtamu Acho Addo, Tessema Tsehay Biru
BACKGROUND: Although tenofovir (TDF)/emtricitabine (FTC)/efavirenz (EFV) and zidovudine (ZDV)/lamivudine (3TC)/efavirenz (EFV) are used as preferred first line regimen, their head-to-head comparison in terms of their efficacy and tolerability was limited. This review aimed to synthesize the best available evidence on the comparative efficacy and tolerability of the two regimens. METHODS: Seven sites and databases in addition to Google search until August 20, 2016, were searched...
2017: AIDS Research and Treatment
https://www.readbyqxmd.com/read/28632946/emerging-biomarkers-of-illness-severity-urinary-metabolites-associated-with-sepsis-and-necrotizing-methicillin-resistant-staphylococcus-aureus-pneumonia
#7
Lilliam Ambroggio, Todd A Florin, Samir S Shah, Richard Ruddy, Larisa Yeomans, Julie Trexel, Kathleen A Stringer
STUDY OBJECTIVE: To illustrate the potential of metabolomics to identify novel biomarkers of illness severity in a child with fatal necrotizing pneumonia caused by methicillin-resistant Staphylococcus aureus (MRSA). DESIGN: Case report with two control groups and a metabolomics analysis. PATIENTS: An infant with fatal MRSA pneumonia, four children with influenza pneumonia (pneumonia control group), and seven healthy children with no known infections (healthy control group)...
June 20, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28632758/safety-and-tolerability-of-elvitegravir-cobicistat-emtricitabine-tenofovir-disoproxil-fumarate-in-a-real-life-setting-data-from-surveillance-cohort-long-term-toxicity-antiretrovirals-antivirals-scolta-project
#8
Nicola Squillace, Elena Ricci, Tiziana Quirino, Andrea Gori, Alessandra Bandera, Laura Carenzi, Giuseppe Vittorio De Socio, Giancarlo Orofino, Canio Martinelli, Giordano Madeddu, Stefano Rusconi, Paolo Maggi, Benedetto Maurizio Celesia, Laura Cordier, Francesca Vichi, Leonardo Calza, Katia Falasca, Antonio Di Biagio, Giovanni Francesco Pellicanò, Paolo Bonfanti
OBJECTIVES: The study aim was to evaluate the impact on Liver and Kidney toxicity of the single tablet regimen Elvitegravir/Cobicistat/Emtricitabine/Tenofovir Disoproxil Fumarate (EVG/COBI/FTC/TDF) on Antiretroviral Therapy (ART) experienced or naïve patients. METHODS: Patients initiating EVG/COBI/FTC/TDF were enrolled in the SCOLTA project, a multicenter observational study reporting grade 3-4 Adverse Events in subjects beginning new antiretroviral drug regimens...
2017: PloS One
https://www.readbyqxmd.com/read/28629395/early-experiences-from-one-of-the-first-treatment-programs-for-chronic-hepatitis-b-in-sub-saharan-africa
#9
Hanna Aberra, Hailemichael Desalegn, Nega Berhe, Girmay Medhin, Kathrine Stene-Johansen, Svein Gunnar Gundersen, Asgeir Johannessen
BACKGROUND: Treatment for chronic hepatitis B (CHB) is virtually absent in sub-Saharan Africa. Here we present early experiences from a pilot program for treatment of CHB in Ethiopia. METHODS: Adults (≥18 years) with CHB were included in a cohort study at St. Paul's Hospital Millennium Medical College, Addis Ababa, from February 2015. The baseline assessment included liver function tests, viral markers and transient elastography (Fibroscan 402, Echosense, France)...
June 19, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28629065/preparation-and-characterization-of-in-situ-chitosan-polyethylene-glycol-fumarate-thymol-hydrogel-as-an-effective-wound-dressing
#10
Sepideh Koosehgol, Mehdi Ebrahimian-Hosseinabadi, Mehdi Alizadeh, Ali Zamanian
In the present study, polyethylene glycol fumarate (PEGF) was synthesized as a component of blend solutions via polycondensation polymerization and characterized by different tests in order to determine its functional groups and its physical properties included melting and crystallization temperature, enthalpy of fusion and average molecular weights. Wound dressing films based on chitosan (Ch), PEGF and thymol (Th) were fabricated by solvent casting method with different formulations contained 80%(w/w) chitosan and 20%(w/w) PEGF as polymeric components and different amounts of thymol consisted of 0, 0...
October 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28628081/o-glcnacylation-of-fumarase-maintains-tumour-growth-under-glucose-deficiency
#11
Ting Wang, Qiujing Yu, Jingjie Li, Bin Hu, Qin Zhao, Chunmin Ma, Wenhua Huang, Lingang Zhuo, Houqin Fang, Lujian Liao, Y Eugene Chin, Yuhui Jiang
Chromatin-associated fumarase (FH) affects histone methylation via its metabolic activity. However, whether this effect is involved in gene transcription remains to be clarified. In this study, we show that under glucose deprivation conditions, AMPK phosphorylates FH at Ser75, which in turn forms a complex with ATF2 and participates in promoter activation. FH-catalysed fumarate in promoter regions inhibits KDM2A demethylase activity, and thus maintains the H3K36me2 profile and facilitates gene expression for cell growth arrest...
June 19, 2017: Nature Cell Biology
https://www.readbyqxmd.com/read/28627427/144-week-efficacy-and-safety-of-a-once-daily-single-tablet-regimen-of-tenofovir-lamivudine-and-efavirenz-among-arv-na%C3%A3-ve-and-arv-experienced-hiv-1-infected-thai-adults
#12
Anchalee Avihingsanon, Wirach Maek-A-Nantawat, Sivaporn Gatechompol, Vorapot Sapsirisavat, Wanida Thiansanguankul, Jiratchaya Sophonphan, Narujakorn Thammajaruk, Sasiwimol Ubolyam, David M Burger, Kiat Ruxrungtham
OBJECTIVES: To assess the efficacy and safety of a new single tablet regimen(STR) of tenofovir disoproxil fumarate(TDF) 300mg, lamivudine(3TC) 300mg and efavirenz(EFV) 600mg in HIV-infected Thais. METHODS: This was a 144 week, prospective study among 51 treatment naïve and 49 experienced patients on separated pill of TDF, 3TC and EFV with HIV RNA<50 copies/ml. CD4, HIV RNA, liver, renal functions and lipid profiles were assessed at baseline, weeks 12, 24, 48 and then every 24 weeks...
June 13, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28623695/injectable-cytocompatible-elastic-free-radical-scavenging-and-electroconductive-hydrogel-for-cardiac-cell-encapsulation
#13
Remya Komeri, Jayabalan Muthu
The injectable electroconductive hydrogels are desirable for the regenerative therapy of electroresponsive tissues like heart. With the present electroconductive hydrogels, the issues of cytotoxicity, biodegradability, and diffusion of the conductive element and poor water solubility limit their applications. Here, electroconductive injectable single component hydrogels, PANIE-P/PEGDA and PANIS-P/PEGDA, are prepared with fumarate-co-PEG-co-sebacate comacromer conjugated with non-sulfonated/sulfonated polyaniline and PEGDA...
June 1, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28622795/desulfamplus-magnetovallimortis-gen-nov-sp-nov-a-magnetotactic-bacterium-from-a-brackish-desert-spring-able-to-biomineralize-greigite-and-magnetite-that-represents-a-novel-lineage-in-the-desulfobacteraceae
#14
Elodie C T Descamps, Caroline L Monteil, Nicolas Menguy, Nicolas Ginet, David Pignol, Dennis A Bazylinski, Christopher T Lefèvre
A magnetotactic bacterium, designated strain BW-1(T), was isolated from a brackish spring in Death Valley National Park (California, USA) and cultivated in axenic culture. The Gram-negative cells of strain BW-1(T) are relatively large and rod-shaped and possess a single polar flagellum (monotrichous). This strain is the first magnetotactic bacterium isolated in axenic culture capable of producing greigite and/or magnetite nanocrystals aligned in one or more chains per cell. Strain BW-1(T) is an obligate anaerobe that grows chemoorganoheterotrophically while reducing sulfate as a terminal electron acceptor...
May 31, 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28622251/treating-relapsing-multiple-sclerosis-with-dimethyl-fumarate
#15
Delilah J McCarty
No abstract text is available yet for this article.
July 15, 2017: Nurse Practitioner
https://www.readbyqxmd.com/read/28619735/the-evolving-role-of-succinate-in-tumor-metabolism-an-18-f-fdg-based-study
#16
Philippe Garrigue, Aurore Bodin-Hullin, Laure Balasse, Samantha Fernandez, Wassim Essamet, Françoise Dignat-George, Karel Pacak, Benjamin Guillet, David Taieb
Objective: In recent years, inherited and acquired mutations in the TCA cycle enzymes have been reported in diverse cancers. Pheochromocytomas and paragangliomas (PPGLs) often exhibit dysregulation of glucose metabolism which is also driven by mutations in genes encoding the TCA cycle enzymes or by activation of hypoxia signaling. PPGLs associated with succinate dehydrogenase (SDH) deficiency are characterized by high (18)F-fluorodeoxyglucose ([(18)F]-FDG) avidity. This association is currently only partially explained...
June 15, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28617344/synthesis-and-biological-activity-evaluation-of-novel-heterocyclic-pleuromutilin-derivatives
#17
Yunpeng Yi, Yunxing Fu, Pengcheng Dong, Wenwen Qin, Yu Liu, Jiangping Liang, Ruofeng Shang
A series of pleuromutilin derivatives were synthesized by two synthetic procedures under mild reaction conditions and characterized by Nuclear Magnetic Resonance (NMR), Infrared Spectroscopy (IR), and High Resolution Mass Spectrometer (HRMS). Most of the derivatives with heterocyclic groups at the C-14 side of pleuromutilin exhibited excellent in vitro antibacterial activities against Staphylococcus aureus, methicillin-resistant Staphylococcus aureus (MRSA), methicillin-resistant Staphylococcus epidermidis (MRSE), and vancomycin-resistant Enterococcus (VRE) in vitro antibacterial activity...
June 15, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28616447/natalizumab-pml-survivors-with-subsequent-ms-treatment-clinico-radiologic-outcome
#18
Elisabeth Maillart, Jean-Sebastien Vidal, David Brassat, Bruno Stankoff, Agnès Fromont, Jérôme de Sèze, Frédéric Taithe, Pierre Clavelou, Bertrand Bourre, Valérie Delvaux, Audrey Rico, Pierre Labauge, Ayman Tourbah, Christine Lebrun, Jean Pelletier, Thibault Moreau, Céline Louapre, Catherine Lubetzki, Caroline Papeix
OBJECTIVE: To describe the clinico-radiologic outcome of MS patients with natalizumab-related progressive multifocal leukoencephalopathy (Nz-PML) surviving and receiving disease-modifying therapy (DMT). METHODS: We describe clinical and radiologic evolution of Nz-PML survivors in an observational retrospective multicenter cohort to clarify the effect of different subsequent MS DMT strategies. Twenty-three patients from 11 centers were analyzed. Outcomes were (1) clinical efficacy of post-PML MS DMT, (2) radiologic efficacy of post-PML MS DMT, (3) radiologic evolution of PML lesion, and (4) disability progression...
May 2017: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/28615448/structural-and-biochemical-analyses-reveal-insights-into-covalent-flavinylation-of-the-escherichia-coli-complex-ii-homolog-quinol-fumarate-reductase
#19
C A Starbird, Elena Maklashina, Pankaj Sharma, Susan Qualls-Histed, Gary Cecchini, T M Iverson
The Escherichia coli Complex II homolog quinol:fumarate reductase (QFR, FrdABCD) catalyzes the interconversion of fumarate and succinate at a covalently attached FAD within the FrdA subunit. The SdhE assembly factor enhances covalent flavinylation of Complex II homologs, but the mechanisms underlying the covalent attachment of FAD remain to be fully elucidated. Here, we explored the mechanisms of covalent flavinylation of the E. coli QFR FrdA subunit. Using a ΔsdhE E. coli strain, we show that the requirement for the assembly factor depends on the cellular redox environment...
June 14, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28612342/effect-of-glycine-nitrogen-on-lettuce-growth-under-soilless-culture-a-metabolomics-approach-to-identify-the-main-changes-occurred-in-plant-primary-and-secondary-metabolism
#20
Xiao Yang, Lei Feng, Li Zhao, Xiaosong Liu, Danial Hassani, Danfeng Huang
BACKGROUND: Lettuce is a significant source of antioxidants and bioactive compounds. Nitrate is a cardinal fertilizer in horticulture and influences vegetable yield and quality; however, the negative effects of nitrate on the biosynthesis of flavonoids require further study. It is expected that using fertilizers containing organic N could promote the synthesis of health-promoting compounds. RESULTS: Lettuces were hydroponically cultured in media containing 9 mM nitrate or 9 mM glycine for 4 weeks...
June 14, 2017: Journal of the Science of Food and Agriculture
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