Cutaneous squamous cell carcinoma (cSCC) manifests through the complex interactions of UV-induced DNA damage, genetic mutations, and alterations in the tumor microenvironment. A high mutational burden is present in cSCC, as well as both cSCC precursors and normal skin, making driver genes difficult to differentiate. Despite this, several key driver genes have been identified, including TP53, the NOTCH family, CDKN2A, PIK3CA, and EGFR.
View Article and Find Full Text PDFThe interaction of lipopolysaccharide with a recombinant protein is a serious bottleneck, particularly in the purification step of bioprocessing. Recombinant hepatitis B surface antigen (rHBsAg), the active ingredient of the hepatitis B vaccine, is probably contaminated by extrinsic LPS like other biopharmaceuticals. This research intends to eliminate LPS from its mixture with rHBsAg efficiently.
View Article and Find Full Text PDFBackground: Hemodialysis patients are prone to anxiety and depression due to physiological changes and psychological tensions that leave irreversible effects on the patients. In this regard, the present study was an attempt to provide a simulated situation by using virtual reality on the anxiety level of dialysis patients before performing surgical procedures.
Methods: This non-equivalent groups pre-posttest quasi-experimental study was conducted in 2022 in a hemodialysis ward of Imam Khomeini General Hospital affiliated with Tehran University of Medical Sciences.
Background: Inflammatory processes play a role in the etiopathogenesis of bipolar disorder type 1. Full therapeutic responses are seldom seen and the ongoing inflammatory processes in the brain could lead to neuronal loss. Curcumin, a relatively safe herbal compound, has been shown to have anti-inflammatory effects.
View Article and Find Full Text PDFInternationally, youth crime is a significant social problem. Violent youth crime has been rising over the past decade in the state of Victoria, Australia. Communities That Care (CTC) is a coalition training process designed to prevent youth crime.
View Article and Find Full Text PDFBackground: Social vitality is one of the most important social indicators to develop a sense of public satisfaction. The aim of this study was to investigate the effect of educational intervention based on theory of planned behavior (TPB) and self-regulatory strategies on the social vitality of women employee.
Materials And Methods: In this randomized controlled field trial study, 66 women employees of Birjand University of Medical Sciences (Iran) were selected including intervention ( = 31) and control ( = 35).
The recovery of value-added materials from coal ash waste is of highly economic value and sustainable significance. However, researches on the synthesis of defect-engineering nanomaterials from coal ash are still blank. Herein, iron oxide (FeAlO simplified as FAO) nanoflakes were successfully synthesized from a brown coal fly ash (BCFA) waste.
View Article and Find Full Text PDFBackground: Application of hemostatic agents can negatively affect the bond strength of adhesive systems to dental substrate. This study aimed to assess the effect of ferric sulfate on microshear bond strength of four total- and self-etch adhesives to dentin after water storage.
Materials And Methods: In this study, 192 dentin slices with 2 mm thickness were made of 64 extracted sound human third molars.
Introduction: Mutations in the HFE gene have been shown to be associated with hemochromatosis which is observed in beta-thalassemia major. In this study, we determined the HFE gene mutations (C282Y and H63D) among b-thalassemia major patients to investigate the effect of these mutations on serum Ferritin levels.
Material And Methods: In this cross-sectional study, a total of 105 b-thalassemia subjects with a history of regular blood transfusion were selected.
is a common environmental species known to cause occupational allergic disease in grain handlers. We have recently observed azole-resistant isolates of this fungus as a cause of onychomycosis. To further characterize the cause of resistance, the genes encoding 14 α-sterol demethylase enzyme ( and ) were characterized and analyzed in 9 ITC-susceptible isolates and 6 isolates with high minimum inhibitory concentrations (MICs) of clinical (nail and sputum) and environmental strains.
View Article and Find Full Text PDFAntimicrob Agents Chemother
December 2018
The activity of tavaborole, an FDA-approved antifungal drug, was compared to that of four antifungal agents against 170 clinical fungal isolates originating from patients with onychomycosis. Tavaborole had low activity against all isolates compared to itraconazole, terbinafine, and fluconazole, the principal choices for treatment of onychomycosis. Thus, it appears that tavaborole is not a candidate for the treatment of onychomycosis due to species, species, and dermatophytes.
View Article and Find Full Text PDFObjective: The aim of the present study was to provide insight into the prevalence and susceptibility profiles of Candida species isolated from the dental plaque of Iranian immunocompetent patients. As a biofilm, Candida species are responsible for several disorders common to the oral cavity including gingivitis, dental caries, periodontitis, and the less common severe systemic infections specifically in immunosuppressed individuals.
Method: PCR-RFLP was performed to identify yeasts isolated from the dental plaques of 40 immunocompetent patients.
Background: This cluster randomised control trial is designed to evaluate whether the Communities That Care intervention (CTC) is effective in reducing the proportion of secondary school age adolescents who use alcohol before the Australian legal purchasing age of 18 years. Secondary outcomes are other substance use and antisocial behaviours. Long term economic benefits of reduced alcohol use by adolescents for the community will also be assessed.
View Article and Find Full Text PDFObjectives: We evaluated the effect of melatonin, as a potent antioxidant agent, on glutathione (GSH) and reactive oxygen species (ROS) levels, as well as histone H3 lysine 9 (H3K9), and H4 lysine 12 (H4K12) acetylation when added to oocytes culture medium.
Materials And Methods: In this experimental study, two in vitro and in vivo groups were used. In the in vitro group, cumulus oocyte complexes (COCs) from the ovaries of B6D2F1 mice were cultured in maturation medium containing two doses of melatonin (10 and 10 M) and without melatonin [control group treated with dimethyl sulfoxide (DMSO)] for 22-24 hour.
This paper attempts to develop a modified chemical percolation devolatilization (M-CPD) model that can include heat transfer, primary pyrolysis and the secondary cracking reactions of volatiles together to describe the pyrolysis of waste scrap tyre chip, as well as to examine the influence of operating conditions on the scrap tyre pyrolysis product yields. Such a study has yet to be conducted in the past, thereby leading to a large knowledge gap failing to understand the pyrolysis of the coarse feedstock appropriately. To validate the developed model, a number of operating parameters including reactor configurations, carrier gas compositions (argon and argon blended with CO and/or steam), scrap tyre chip size (0.
View Article and Find Full Text PDFWater Environ Res
September 2017
The production of zinc nanomaterial has increased significantly over the past several years and, as a result, nanoparticles have navigated their way into wastewater streams. The transportation and toxicity of zinc nanomaterial within the wastewater treatment processes is not well known. In this study, the zinc nanomaterial and its fate were characterized in an activated sludge treatment process.
View Article and Find Full Text PDFCyperus longus is one of the Iranian endemic species. However, to date, and to the best of our knowledge, there are no availale academic reports on the cytotoxicity of this plant. Thus, this study was carried out to examine the anti-proliferative and anti-apoptotic effects of Cyperus longus extract, fractions and essential oil (EO) on MCF7 and PC3 cell lines.
View Article and Find Full Text PDFBackground: Today, social capital is a need in the society. Also, leisure time and physical activities are among the most important productive sources of social capital, which have been realized recently. This study aims to find the relationship between social capital and physical leisure time of the faculty members of Isfahan University of Medical Sciences.
View Article and Find Full Text PDFObjective(s): Nowadays, COX - 2 inhibitors such as valdecoxib are removed from the market because of their cardiovascular toxicity and their potential to increase the risk of strokes. In response to this, medicinal chemists have attempted to synthesize new classes of COX-2 Inhibitors.
Materials And Methods: In this study, three novel analogues of thiazolidin-4-ones derivatives 2a-c were synthesized.
Objective: Nuclear transfer-embryonic stem cells (NT-ESCs) are genetically identical to the donor's cells; provide a renewable source of tissue for replacement, and therefore, decrease the risk of immune rejection. Trichostatin A (TSA) as a histone deacetylase in- hibitor (HDACi) plays an important role in the reorganization of the genome and epigenetic changes. In this study, we examined whether TSA treatment after somatic cell nuclear transfer (SCNT) can improve the developmental rate of embryos and establishment rate of NT-ESCs line, as well as whether TSA treatment can improve histone modification in NT-ESCs lines.
View Article and Find Full Text PDFThis work presents the concept of a monolithic concrete-integrated dye-synthesized photovoltaic solar cell for optical-to-electrical energy conversion and on-site power generation. The transport measurements carried out in the dark revealed the presence of VOC of ~190 mV and ISC of ~9 μA, induced by the electrochemical conversion of concrete-supplied ionic impurities at the electrodes. The current-voltage measurements performed under illumination at incident optical powers of ~46 mW confirmed the generation of electrical power of ~0.
View Article and Find Full Text PDFEnviron Sci Technol
October 2010
Bench scale studies were performed to evaluate removal and toxicity of copper nanoparticles (CuNPs) and copper ions in activated sludge biomass. The data indicated that, under the test conditions, copper nanoparticles were removed more effectively (∼95%) than copper ions (30-70%) from the wastewater. Mechanisms of CuNP removal were further investigated by equilibrating CuNP and copper ion in activated sludge filtrate (0.
View Article and Find Full Text PDFThirty human tooth samples were collected from smoker and non-smoker groups with different ages and different sexes from north of Iran. The samples were analysed by a radiochemical procedure, and the prepared source by spontaneous electrolysis was measured by an alpha spectrometry to determine activity concentrations of (210)Po in teeth. The results indicated that the average (210)Po concentration in Iranian human teeth is 3.
View Article and Find Full Text PDFIn the present paper a method has been developed for the determination of (226)Ra in water by the detection, using a solid-state nuclear track detector (SSNTD), of alpha particles from (226)Ra in equilibrium with (222)Rn in micro-precipitates collected on a filter. The micro-precipitates were prepared from environmental water samples by collection of radium with lead as Pb/RaSO(4). Several factors affect the (226)Ra precipitation on the filter and its recovery, in particular the filter pore size.
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