PubMed Journals Articles About "Abacavir Sulfate Abacavir Sulfate Lamivudine Zidovudine Infections" RSS

01:35 EDT 24th October 2018 | BioPortfolio

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Showing "Abacavir sulfate Abacavir sulfate lamivudine zidovudine Infections" PubMed Articles 1–25 of 4,400+

Cost Effectiveness of Dolutegravir as a First-Line Treatment Option in the HIV-1-Infected Treatment-Naive Patients in Russia.

To evaluate the cost effectiveness of dolutegravir + abacavir/lamivudine (DTG + ABC/3TC) compared with raltegravir + abacavir/lamivudine (RAL + ABC/3TC) and ritonavir-boosted darunavir + abacavir/lamivudine (DRV/r + ABC/3TC) in HIV-1-infected treatment-naive patients in Russia.

Raltegravir plus abacavir/lamivudine in virologically suppressed HIV-1-infected patients: 48-week results of the KIRAL study.

Long-term combination antiretroviral therapy often results in toxicity/tolerability problems, which are one of the main reasons for switching treatment. Despite the favorable profile of raltegravir (RAL), data on its combination with abacavir/lamivudine (ABC/3TC) are scarce. Based on clinical data, we evaluated this regimen as a switching strategy.

Risk of Cardiovascular Disease Associated With Exposure To Abacavir Among Individuals With HIV: A Systematic Review And Meta-analyses Of Results From Seventeen Epidemiologic Studies.

Abacavir's potential to cause cardiovascular disease (CVD) among people living with HIV (PLWH) is debated. We conduct a systematic review and meta-analyses to assess CVD risk from recent and cumulative abacavir exposure.

Photoallergic dermatitis associated with fixed-dose combination of antiretroviral agent (abacavir-lamivudine-dolutegravir).

Regimen durability in HIV-infected children and adolescents initiating first-line ART in a large public sector HIV cohort in South Africa.

In April 2010 tenofovir and abacavir replaced stavudine in public-sector first-line antiretroviral therapy (ART) for children under 20 years old in South Africa. The association of both abacavir and tenofovir with fewer side-effects and toxicities compared to stavudine could translate to increased durability of tenofovir or abacavir-based regimens. We evaluated changes over time in regimen durability for pediatric patients 3 to 19 years of age at 8 public sector clinics in Johannesburg, South Africa.

Corrigendum to "Heavy metal and sulfate removal from sulfate-rich synthetic mine drainages using sulfate reducing bacteria" Sci. Total Environ. 635 (2018) 1308-1316.

Process integration for biological sulfate reduction in a carbon monoxide fed packed bed reactor.

This study examined immobilized anaerobic biomass for sulfate reduction using carbon monoxide (CO) as the sole carbon source under batch and continuous fed conditions. The immobilized bacteria with beads made of 10% polyvinyl alcohol (PVA) showed best results in terms of sulfate reduction (84 ± 3.52%) and CO utilization (98 ± 1.67%). The effect of hydraulic retention time (HRT), sulfate loading rate and CO loading rate on sulfate and CO removal was investigated employing a 1L packed bed bioreactor...

The relationships between urinary glycosaminoglycan levels and phenotypes of mucopolysaccharidoses.

The aim of this study was to use the liquid chromatography/tandem mass spectrometry (LC-MS/MS) method to quantitate levels of three urinary glycosaminoglycans (GAGs; dermatan sulfate [DS], heparan sulfate [HS], and keratan sulfate [KS]) to help make a correct diagnosis of mucopolysaccharidosis (MPS).

Characterizing the Steroidal Milieu in Amniotic Fluid of Mid-Gestation: A LC-MS/MS Study.

Growth and development of an embryo or fetus during human pregnancy mainly depend on intact hormone biosynthesis and metabolism in maternal amniotic fluid (AF). We investigated the hormonal milieu in AF and developed a liquid chromatography-tandem mass spectrometry (LC-MS/MS) method for the determination of 14 sulfated and 6 unconjugated steroids in AF. 65 A F samples (male: female = 35: 30) of mid-gestation ranging from 16 week of gestation to 25 week of gestation were analyzed. Reference data of 2...

How to tackle the stringent sulfate removal requirements in mine water treatment-A review of potential methods.

Sulfate (SO) is a ubiquitous anion in natural waters. It is not considered toxic, but it may be detrimental to freshwater species at elevated concentrations. Mining activities are one significant source of anthropogenic sulfate into natural waters, mainly due to the exposure of sulfide mineral ores to weathering. There are several strategies for mitigating sulfate release, starting from preventing sulfate formation in the first place and ending at several end-of-pipe treatment options. Currently, the most w...

Measurement of soluble glycoprotein VI in studies of abacavir-based therapy: concerns about test precision.

Oxygen Reduction Reaction on PtCo Nanocatalyst: (Bi)sulfate Anion Poisoning.

Pt alloy electrocatalysts are susceptible to anion adsorption in the working environment of fuel cells. In this work, the unavoidable bisulfate and sulfate ((bi)sulfate) poisoning of the oxygen reduction reaction (ORR) on a common PtCo nanocatalyst was studied by the rotating disk electrode (RDE) technique, for the first time to the best of our knowledge. The specific activity decreases linearly with the logarithm of (bi)sulfate concentration under various high potentials. This demonstrates that the (bi)sul...

Effects of sulfate on simultaneous nitrate and selenate removal in a hydrogen-based membrane biofilm reactor for groundwater treatment: Performance and biofilm microbial ecology.

Effects of sulfate on simultaneous nitrate and selenate removal in a hydrogen-based membrane biofilm reactor (MBfR) for groundwater treatment was identified with performance and biofilm microbial ecology. In whole operation, MBfR had almost 100% removal of nitration even with 50 mg mL sulfate. Moreover, selenate degradation increased from 95% to approximate 100% with sulfate addition, indicating that sulfate had no obvious effects on nitrate degradation, and even partly promoted selenate removal. Short-...

Calcium ameliorates the toxicity of sulfate salinity in Brassica rapa.

Salinity stress in Brassica, often only associated with osmotic effects and the toxicity of Na, was more severe when applied as NaSO than as NaCl, indicating that SO ions had toxic effects as well. Application of 10 mM calcium in the form of CaCl in the growth medium of plants only slightly ameliorated growth impairment by NaCl and KCl, but almost completely prevented negative effects of NaSO and KSO on plant biomass production. This effect was calcium specific, as MgCl ameliorated sulfate toxicity to a m...

Structural analysis of synthetic heparan sulfate oligosaccharides with fibroblast growth factors and heparin-binding hemagglutinin.

Heparan sulfate interacts with a variety of proteins at the cell surface. These proteins are primarily attracted to the high negative charge distribution brought by sulfate, sulfamate, and carboxylate functionalities along the sugar chain. Apart from electrostatic interactions, hydrogen bonding and even hydrophobic interactions contribute to the complex formation. While additional sulfate/sulfamate groups are often tolerated as long as the main structural requirements are met, occasionally, certain extra su...

Monitoring of neomycin sulfate antibiotic in microbial fuel cells.

Indirect detection and quantification of the neomycin sulfate antibiotic was accomplished in microbial fuel cells. Performance of the microbial fuel cells was examined on the basis of the following parameters; voltage generation, power density, current density and coulombic efficiencies. Removal of neomycin sulfate was monitored using LC-MS/MS in parallel with chemical oxygen demand and total carbohydrate removal. While neomycin sulfate was partially degraded, microbial fuel cell performance appeared to be ...

Uranyl Sulfate Nanotubules Templated by N-phenylglycine.

The synthesis, structure, and infrared spectroscopy properties of the new organically templated uranyl sulfate Na(phgH⁺)₇[(UO₂)₆(SO₄)](H₂O)(), obtained at room temperature by evaporation from aqueous solution, are reported. Its structure contains unique uranyl sulfate [(UO₂)₆(SO₄)]nanotubules templated by protonated-phenylglycine (C₆H₅NH₂CH₂COOH)⁺. Their internal diameter is 1.4 nm. Each of the nanotubules is built from uranyl sulfate rings sharing common SO₄ tetrahedra. The te...

The Impact of Magnesium Sulfate on Pain Control After Laparoscopic Cholecystectomy: A Meta-Analysis of Randomized Controlled Studies.

Magnesium sulfate has emerged as an important drug to alleviate the pain after laparoscopic cholecystectomy. However, the use of magnesium sulfate for pain control after laparoscopic cholecystectomy has not been well established. We conduct a systematic review and meta-analysis to evaluate the impact of magnesium sulfate on pain control after laparoscopic cholecystectomy.

Isolation and Characterization of a Chinese Hamster Ovary Heparan Sulfate Cell Mutant Defective in Both Met Receptor Binding and Hepatocyte Growth Factor NK1/Met Signaling.

The up-regulation of hepatocyte growth factor/receptor, HGF/Met, signal transduction is observed in most of human cancers. Specific heparan sulfate structures enhance the HGF/Met signaling at both cell and animal-based model systems. Biochemical studies indicate that heparan sulfate interacts with HGF and a natural occurring splicing variant NK1 of HGF with similar affinity. However, it is currently unknown if cell surface heparan sulfate binds to Met at physiological conditions and if specific cell surface...

Conversion Pathways of Substrates in Sulfate-Reducing Ammonia Oxidation System.

The phenomenon of simultaneous transformation of ammonium and sulfate under the conditions of inoculating ANAMMOX culture has gotten the attention of researchers. However, there are some problems and doubts reported in the related literature. In this study, the characteristics of ammonium and sulfate synchronous transformation were investigated in a CFSTR via inoculation with ANAMMOX culture. Under the condition of oxygen removal and non-filling, in the unfilled sealed fermentation tank, the average convers...

Enhanced sulfate and metal removal by reduced graphene oxide self-assembled Enterococcus avium sulfate-reducing bacteria particles.

Graphene oxide (GO) was introduced to Enterococcus avium strain BY7 sulfate-reducing bacteria culture as a carrier, GO was partially reduced by SRB to reduced graphene oxide (rGO). The rGO could further self-assemble Enterococcus avium strain BY7 sulfate-reducing bacteria to form BY-rGO particles. Growth and sulfate reduction activity of strain BY7 was promoted by rGO, which probably due to the protective effect of rGO, and enhanced electron transfer by rGO as electron shuttle. Effects of pH and temperature...

A novel combined process for efficient removal of Se(VI) from sulfate-rich water: Sulfite/UV/Fe(III) coagulation.

The efficient removal of Se(VI) from sulfate-rich water is challenging as most reported processes last for hours to days. In this study, a combined sulfite/UV/Fe(III) coagulation process was proposed for efficient Se(VI) removal from sulfate-rich water within a short time (∼1 h). In the presence of sulfate (1000 mg L), over 99% of Se(VI) (initially at 10 mg L) could be reduced by sulfite (5.0 mM) with a UV dose of 16 J cm (within 20 min) into Se(IV) as the sole observed product. An alkal...

Critical assessment of approaches for molecular docking to elucidate associations of HLA alleles with adverse drug reactions.

Adverse drug reactions have been linked with genetic polymorphisms in HLA genes in numerous different studies. HLA proteins have an essential role in the presentation of self and non-self peptides, as part of the adaptive immune response. Amongst the associated drugs-allele combinations, anti-HIV drug Abacavir has been shown to be associated with the HLA-B*57:01 allele, and anti-epilepsy drug Carbamazepine with B*15:02, in both cases likely following the altered peptide repertoire model of interaction. Unde...

Discrepant effects of α-endosulfan, β-endosulfan, and endosulfan sulfate on oxidative stress and energy metabolism in the livers and kidneys of mice.

Endosulfan, an organochloride pesticide, has been used for many commercial purposes. Endosulfan is composed of two isomers, α-endosulfan and β-endosulfan. In biological and soil systems, endosulfan is metabolized into endosulfan sulfate. In this study, the different toxicological effects of α-endosulfan, β-endosulfan, and endosulfan sulfate on the livers and kidneys of mice were comprehensively investigated. The results demonstrated that both endosulfan isomers and endosulfan sulfate disturbed the hepat...

Cryptic CH cycling in the sulfate-methane transition of marine sediments apparently mediated by ANME-1 archaea.

Methane in the seabed is mostly oxidized to CO with sulfate as the oxidant before it reaches the overlying water column. This microbial oxidation takes place within the sulfate-methane transition (SMT), a sediment horizon where the downward diffusive flux of sulfate encounters an upward flux of methane. Across multiple sites in the Baltic Sea, we identified a systematic discrepancy between the opposing fluxes, such that more sulfate was consumed than expected from the 1:1 stoichiometry of methane oxidation ...

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