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https://www.readbyqxmd.com/read/28604801/high-blood-levels-of-lead-in-children-aged-6-36-months-in-kathmandu-valley-nepal-a-cross-sectional-study-of-associated-factors
#1
Meghnath Dhimal, Khem Bahadur Karki, Krishna Kumar Aryal, Bimala Dhimal, Hari Datt Joshi, Sajan Puri, Achyut Raj Pandey, Purushotam Dhakal, Arun Kumar Sharma, Ganendra Bhakta Raya, Imran Ansari, David A Groneberg, Ruth Müller, Ulrich Kuch
Young children are at greatest risk of exposure to lead and its effects. Although lead is one of the most widely used elements with known health hazard, there is little data on the blood lead level (BLL) of children in the Kathmandu Valley. Thus, this study aimed to assess factors associated with high BLL in children who were 6-36 months of age and resided in the Kathmandu Valley. In this hospital-based cross-sectional study 6-36 month-old children visiting the Paediatrics Outpatient Department of Tribhuvan University Teaching Hospital, Patan Hospital, and Siddhi Memorial Hospital were enrolled...
2017: PloS One
https://www.readbyqxmd.com/read/28594332/pooled-analysis-of-hcv-genotype-1-resistance-associated-substitutions-in-ns5a-ns3-and-ns5b-pre-and-post-treatment-with-12-weeks-of-daclatasvir-asunaprevir-and-beclabuvir
#2
Fiona McPhee, Dennis Hernandez, Nannan Zhou, Joseph Ueland, Fei Yu, Vincent Vellucci, Xin Huang, Xuning Wang, Hiroki Ishikawa, Yoshiyasu Karino, Hiromitsu Kumada
BACKGROUND: Daclatasvir (DCV; non-structural [NS]5A inhibitor) plus asunaprevir (ASV; NS3 inhibitor) plus beclabuvir (BCV; non-nucleoside NS5B inhibitor) is an approved regimen for hepatitis C virus (HCV) genotype (GT)-1 treatment in Japan. A comprehensive analysis of pre-treatment and treatment-emergent HCV resistance to this regimen ± ribavirin (RBV) was performed. METHODS: Data were pooled from five phase 2/3 studies of DCV+ASV+BCV±RBV given for 12 weeks to GT-1a- or GT-1b-infected patients...
June 8, 2017: Antiviral Therapy
https://www.readbyqxmd.com/read/28592542/gender-parity-trends-for-invited-speakers-at-four-prominent-virology-conference-series
#3
Robert F Kalejta, Ann C Palmenberg
Scientific conferences are most beneficial to participants when they showcase significant new experimental developments, accurately summarize the current state of the field, and provide strong opportunities for collaborative networking. A top-notch slate of invited speakers, assembled by conference organizers or committees, is key to achieving these goals. The perceived underrepresentation of female speakers at prominent scientific meetings is currently a popular topic for discussion, but one that often lacks supportive data...
June 7, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28592212/low-dose-versus-high-dose-anti-snake-venom-therapy-in-the-treatment-of-haematotoxic-snake-bite-in-south-india
#4
Imanto M Joseph, Cijoy K Kuriakose, Anand Vimal Dev, George A Philip
Most of the studies on the appropriate dose of anti-snake venom (ASV) are from tertiary hospitals and the guidelines are unclear. Our observational study compared the outcomes of two prevalent treatment regimes for haematotoxic snake bite in a secondary care hospital in South India. The time to normalisation of whole blood clotting time, mortality and complications were not different between the groups. The average dose of ASV required in the low and high dose groups were 106 mL and 246 mL, respectively...
January 1, 2017: Tropical Doctor
https://www.readbyqxmd.com/read/28588214/evidence-for-exocellular-arsenic-in-fronds-of-pteris-vittata
#5
Rupali Datta, Padmini Das, Ryan Tappero, Pravin Punamiya, Evert Elzinga, Shivendra Sahi, Huan Feng, Jeffrey Kiiskila, Dibyendu Sarkar
The arsenic (As) hyperaccumulating fern species Pteris vittata (PV) is capable of accumulating large quantities of As in its aboveground tissues. Transformation to AsIII and vacuolar sequestration is believed to be the As detoxification mechanism in PV. Here we present evidence for a preponderance of exocellular As in fronds of Pteris vittata despite numerous reports of a tolerance mechanism involving intracellular compartmentalization. Results of an extraction experiment show that 43-71% of the As extruded out of the fronds of PV grown in 0...
June 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28583525/effective-treatment-with-daclatasvir-and-asunaprevir-in-kidney-transplant-patients-infected-with-hepatitis-c-virus-a-report-of-two-cases
#6
K Koshino, H Ushigome, K Masuda, T Matsuyama, S Harada, T Nakamura, S Nobori, T Iida, N Yoshimura
BACKGROUND: Hepatitis C virus (HCV) infection is known to affect long-term patient and graft survivals after kidney transplantation (KT). Recently, combination therapy with the use of 2 oral direct-acting antivirals, daclatasvir (DCV) and asunaprevir (ASV) reportedly showed a high rate of HCV eradication. We report the safety and efficacy of DCV and ASV therapy in 2 KT patients. METHODS: The safety and viral responses were investigated in a prospective study of KT patients infected with HCV genotype 1...
June 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28574015/clinical-profile-complications-of-neurotoxic-snake-bite-comparison-of-two-regimens-of-polyvalent-anti-snake-venom-in-its-treatment
#7
Krishna Sarin, Tarun Kumar Dutta, K V Vinod
BACKGROUND & OBJECTIVES: The optimal anti-snake venom (ASV) dose required to treat neurotoxic snake envenomation is not known. Low-dose ASV (national protocol: maximum dose 200 ml) may be as efficacious as the conventional regimen (100 ml six hourly till all symptoms disappear), but a direct comparison of the regimens is not available. The aim of this study was to test the efficacy of low-dose ASV regimen against the conventional high-dose regimen. METHODS: The clinical profile of 51 patients with neurotoxic snake envenomation was studied...
January 2017: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/28560477/daclatasvir-and-asunaprevir-in-hemodialysis-patients-with-hepatitis-c-virus-infection-a-nationwide-retrospective-study-in-japan
#8
Goki Suda, Norihiro Furusyo, Hidenori Toyoda, Yoshiiku Kawakami, Hiroki Ikeda, Michihiro Suzuki, Keiko Arataki, Nami Mori, Keiji Tsuji, Yoshio Katamura, Koichi Takaguchi, Toru Ishikawa, Kunihiko Tsuji, Noritomo Shimada, Atsushi Hiraoka, Sho Yamsaki, Masato Nakai, Takuya Sho, Kenichi Morikawa, Koji Ogawa, Mineo Kudo, Atsushi Nagasaka, Ken Furuya, Yoshiya Yamamoto, Kanji Kato, Yoshiyuki Ueno, Etsuko Iio, Yasuhito Tanaka, Masayuki Kurosaki, Takashi Kumada, Kazuaki Chayama, Naoya Sakamoto
BACKGROUND: Hepatitis C virus (HCV) infection is common in hemodialysis patients and worsens their prognosis, while antiviral therapy options are limited. Recently, clinical trial and real-world, small-scale studies have reported excellent responses to direct-acting antivirals in patients with advanced chronic kidney diseases. However, real-world, large-scale data were lacking. This large multicenter analysis included HCV-infected hemodialysis patients receiving combination therapy with a nonstructural protein 5A (NS5A) inhibitor, daclatasvir (DCV), and a protease inhibitor, asunaprevir (ASV)...
May 30, 2017: Journal of Gastroenterology
https://www.readbyqxmd.com/read/28553625/the-comparison-effects-of-two-methods-of-adaptive-support-ventilation-minute-ventilation-110-and-adaptive-support-ventilation-minute-ventilation-120-on-mechanical-ventilation-and-hemodynamic-changes-and-length-of-being-in-recovery-in-intensive-care-units
#9
Babak Ali Kiaei, Parviz Kashefi, Seyed Taghi Hashemi, Daryoush Moradi, Ahmad Mobasheri
BACKGROUND: The conventional method for ventilation is supported by accommodative or adaptive support ventilation (ASV) that the latter method is done with two methods: ASV minute ventilation (mv): 110% and ASV mv: 120%. Regarding these methods this study compared the differences in duration of mechanical ventilation and hemodynamic changes during recovery and length of stay in Intensive Care Units (ICU). MATERIALS AND METHODS: In a clinical trial study, forty patients candidate for ventilation were selected and randomly divided into two groups of A and B...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28539541/sleep-disordered-breathing-in-heart-failure%C3%A3-a-therapeutic-dilemma
#10
Nobuhiko Haruki, John S Floras
Sleep-disordered breathing (SDB) occurs in approximately 50% of patients with reduced left ventricular ejection fraction receiving contemporary heart failure (HF) therapies. Obstructive (OSA) and central sleep apneas (CSA) interrupt breathing by different mechanisms but impose qualitatively similar autonomic, chemical, mechanical, and inflammatory burdens on the heart and circulation. Because contemporary evidence-based drug and device HF therapies have little or no mitigating effect on the acute or long-term consequences of such stimuli, there is a sound mechanistic rationale for targeting SDB to reduce cardiovascular event rates and prolong life...
May 23, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28536474/gcn2-phosphorylates-hiv-1-integrase-and-decreases-hiv-1-replication-by-limiting-viral-integration
#11
A Jaspart, C Calmels, O Cosnefroy, P Bellecave, P Pinson, S Claverol, V Guyonnet-Dupérat, B Dartigues, M S Benleulmi, E Mauro, P A Gretteau, V Parissi, M Métifiot, M L Andreola
GCN2 is a serine/threonine kinase involved in cellular stress response related to amino acid starvation. Previously, we showed that GCN2 interacts with HIV-1 integrase and is activated during HIV-1 infection. Herein, we identified HIV-1 integrase as a previously unknown substrate of GCN2 in vitro with a major site of phosphorylation at residue S255 located in the C-terminal domain of HIV-1 integrase. The underlying mechanism was investigated and it appeared that the integrase active site was required in order for GCN2 to target the integrase residue S255...
May 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28531970/ultrasensitive-cholesterol-biosensor-based-on-enzymatic-silver-deposition-on-gold-nanoparticles-modified-screen-printed-carbon-electrode
#12
Yong Huang, Lijie Cui, Yewei Xue, Songbai Zhang, Nixuan Zhu, Jintao Liang, Guiyin Li
Cholesterol is one of the essential structural constituents of cell membranes. Determination of cholesterol is of great importance in clinical analysis because the level of cholesterol in serum is an indicator in the diagnosis and prevention of heart diseases. In this work, a simple and ultrasensitive cholesterol biosensor based on enzymatic silver deposition was designed by immobilizing cholesterol oxidase (CHOD) and cholesterol esterase (CHER) onto the surface of gold nanoparticles (Au NPs) modified screen-printed carbon electrode (SPE)...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28484123/adaptive-servo-ventilation-treatment-increases-stroke-volume-in-stable-systolic-heart-failure-patients-with-low-tricuspid-annular-plane-systolic-excursion
#13
Toshihiro Iwasaku, Tomotaka Ando, Akiyo Eguchi, Yoshitaka Okuhara, Yoshiro Naito, Toshiaki Mano, Tohru Masuyama, Shinichi Hirotani
We hypothesized that the effects of adaptive servo-ventilation (ASV) therapy were influenced by right-sided heart performance. This study aimed to clarify the interaction between the effects of ASV and right-sided heart performance in patients with stable heart failure (HF) with reduced ejection fraction (HFrEF).Twenty-six stable HF inpatients (left ventricular ejection fraction < 0.45, without moderate to severe mitral regurgitation (MR) were analyzed. Echocardiography was performed before and after 30 minutes of ASV...
May 8, 2017: International Heart Journal
https://www.readbyqxmd.com/read/28467359/long-term-follow-up-of-resistance-associated-substitutions-in-hepatitis-c-virus-in-patients-in-which-direct-acting-antiviral-based-therapy-failed
#14
Kanako Yoshida, Hoang Hai, Akihiro Tamori, Yuga Teranishi, Ritsuzo Kozuka, Hiroyuki Motoyama, Etsushi Kawamura, Atsushi Hagihara, Sawako Uchida-Kobayashi, Hiroyasu Morikawa, Masaru Enomoto, Yoshiki Murakami, Norifumi Kawada
We evaluated the transition of dominant resistance-associated substitutions (RASs) in hepatitis C virus during long-term follow-up after the failure of DAAs (direct acting antivirals)-based therapy. RASs in non-structure (NS)3/4A, NS5A, NS5B, and deletions in NS5A from 20 patients who failed simeprevir/pegylated-interferon/ribavirin (SMV/PEG-IFN/RBV) and 25 patients who failed daclatasvir/asunaprevir (DCV/ASV) treatment were examined by direct sequencing. With respect to SMV/PEG-IFN/RBV treatment, RAS was detected at D168 in NS3/4A but not detected in NS5A and NS5B at treatment failure in 16 of 20 patients...
May 3, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28458864/long-segment-hypoplasia-of-great-saphenous-vein-with-posterior-accessory-saphenous-vein-as-a-connecting-vein-a-case-report
#15
Byung Seo Choi, Geon Young Byun, Seong Bae Hwang, Bum Hwan Koo, Sung Ryul Lee
Aplasia or hypoplasia of great saphenous vein (GSV) is relatively common. Most of them are segmental and localized around the knee. They rarely extend to the inguinal area, yet in case of this, the anterior accessory saphenous vein (AASV) is the most common connecting vein. We report a case of a 22-year-old male who underwent surgery for pain and heaviness of the right calf. He had the hypoplasia of right GSV extended from below the popliteal crease to near the saphenofemoral junction with posterior ASV (PASV) as a connecting vein...
March 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28457128/matrix-extension-and-multilaboratory-validation-of-arsenic-speciation-method-eam-%C3%A2-4-10-to-include-wine
#16
Courtney K Tanabe, Helene Hopfer, Susan E Ebeler, Jenny Nelson, Sean D Conklin, Kevin M Kubachka, Robert A Wilson
A multilaboratory validation (MLV) was performed to extend the U.S. Food and Drug Administration's (FDA) analytical method Elemental Analysis Manual (EAM) §4.10, High Performance Liquid Chromatography-Inductively Coupled Plasma-Mass Spectrometric Determination of Four Arsenic Species in Fruit Juice, to include wine. Several method modifications were examined to optimize the method for the analysis of dimethylarsinic acid, monomethylarsonic acid, arsenate (AsV), and arsenite (AsIII) in various wine matrices with a range of ethanol concentrations by liquid chromatography-inductively coupled plasma-mass spectrometry...
May 11, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28440885/a-comparison-of-direct-sequencing-and-invader-assay-for-y93h-mutation-and-response-to-interferon-free-therapy-in-hepatitis-c-virus-genotype-1b
#17
Kazuhiko Hayashi, Masatoshi Ishigami, Yoji Ishizu, Teiji Kuzuya, Takashi Honda, Hiroki Kawashima, Tetsuya Ishikawa, Yoshihiko Tachi, Masashi Hattori, Yoshiaki Katano, Hidemi Goto, Yoshiki Hirooka
BACKGROUND AND AIM: Virologic failure of interferon (IFN)-free therapy has been associated with Y93H mutation in the NS5A region in hepatitis C virus (HCV) genotype 1b, and screening is recommended. A simple assay based on Q-Invader technology was developed for Y93H mutant screening to reduce cost and effort. The present study sought to compare two methods of detection of Y93H mutation and to evaluate the effect of Y93H mutation on response to IFN free therapy. METHODS: Y93H mutation was examined in 258 patients with HCV genotype 1b using both direct sequencing analysis and the PCR-Invader assay...
April 25, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28428715/impact-of-interferon-free-antivirus-therapy-on-lipid-profiles-in-patients-with-chronic-hepatitis-c-genotype-1b
#18
Daisuke Endo, Kenichi Satoh, Noritomo Shimada, Atsushi Hokari, Yoshio Aizawa
AIM: To investigate the influence of interferon-free antivirus therapy on lipid profiles in chronic hepatitis C virus genotype 1b (HCV1b) infection. METHODS: Interferon-free antiviral agents were used to treat 276 patients with chronic HCV1b infection, and changes in serum lipids of those who achieved sustained virologic response (SVR) were examined. The treatment regimen included 24 wk of daclatasvir plus asunaprevir (DCV + ASV) or 12 wk of sofosbuvir plus ledipasvir (SOF + LDV)...
April 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28419958/arsenate-and-fluoride-enhanced-each-other-s-uptake-in-as-sensitive-plant-pteris-ensiformis
#19
Suchismita Das, Letuzia M de Oliveira, Evandro da Silva, Lena Q Ma
We investigated the effects of arsenate (AsV) and fluoride (F) on each other's uptake in an As-sensitive plant Pteris ensiformis. Plants were exposed to 1) 0.1 × Hoagland solution control, 2) 3.75 mg L(-1) As and 1.9, 3.8, or 7.6 mg L(-1) F, or 3) 1 mg L(-1) F and 3.75 mg L(-1) or 7.5 mg L(-1) As for 7 d in hydroponics. P. ensiformis accumulated 14.7-32.6 mg kg(-1) As at 3.75 mg L(-1) AsV, and 99-145 mg kg(-1) F at 1 mg L(-1) F. Our study revealed that AsV and F increased each other's uptake when co-present...
April 12, 2017: Chemosphere
https://www.readbyqxmd.com/read/28417254/whom-are-we-treating-with-adaptive-servo-ventilation-a-clinical-post-hoc-analysis
#20
Maximilian V Malfertheiner, C Lerzer, L Kolb, K Heider, F Zeman, F Gfüllner, L S Maier, M Pfeifer, M Arzt
BACKGROUND: Recent evidence has shown that adaptive servo-ventilation (ASV) is contraindicated in patients with predominant central sleep apnea (CSA) and reduced left ventricular ejection fraction (LVEF ≤45%). The objective of this study was to assess the clinical usage of ASV in patients at the time-point of the release of a safety warning by type of SDB, breathing pattern and LVEF. METHODS: Patients of a cardiac and a respirology sleep center, both in Germany, who received ASV therapy were contacted between May and October 2015...
April 17, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
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