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However, increasing current density near the occipital cortex (FPz-Oz relative to FPz-Cz montage) also reduced phosphene thresholds while also requiring less current density at the retina according to the modeling estimates. This suggests that tECS of this occipital cortex also contributed to phosphene perception. © 2020 Bioelectromagnetics Society.The landscape and clinical utility of comprehensive genomic investigations for a wide range of pediatric rheumatic disorders have not been fully characterized in the Middle East. Here, 71 pediatric patients, of diverse Arab origins, were clinically and genetically assessed for a spectrum of rheumatology-related diseases at the only dedicated tertiary children's hospital in the United Arab Emirates. Clinical genomic investigations included mainly (76%) next-generation sequencing-based gene panels and whole-exome sequencing, along with rapid sequencing in the intensive care unit and urgent setting. The overall positive yield was 46.5%, whereas dual diagnoses were made in two cases (3%). Although the majority (21/33, 64%) of positive findings involved the MEFV gene, the remaining (12/33, 36%) alterations were attributed to 11 other genes/loci. Copy number variants (CNVs) contributed substantially (5/33, 15.2%) to the overall diagnostic yield. Sequencing-based testing, specifically rapid sequencing, had a high positive rate and delivered timely results. Genetic findings guided clinical management plans and interventions in most cases (27/33, 81.8%). We highlight unique findings and provide additional evidence that heterozygous loss of function of the IFIH1 gene increases susceptibility to recurrent fevers. Our study provides new insights into the pathogenic variation landscape in pediatric rheumatic disorders.The continued global rise in papillary thyroid carcinoma (PTC) combined with potential adverse effects of regular treatments calls for an alternative therapy. Prunella vulgaris L. (PV) is commonly used as a herbal remedy for thyroid diseases in China, but its influence on PTC is unclear. This study investigated the effect of PV aqueous extract on PTC and its underlying mechanism using a mouse xenograft model and the human PTC cell line K1. PV suppressed tumor growth in PTC-bearing mice at 0.05 and 0.1 g/kg bw, accompanied by improvements in autophagy-related protein expressions in xenografts. In K1 cells, PV inhibited cell growth and induced autophagic flux, manifesting as changes in autophagy-related proteins, the presence of autophagosomes, and a further increase in LC3-II by co-incubation with bafilomycin A1. Autophagy inhibitor 3-methyladenine ameliorated the autophagic cell death caused by PV. The mammalian target of rapamycin (mTOR) activator MHY1485 blocked the antiproliferative activity of PV by regulating mTOR, unc-51-like autophagy activating kinase 1 (ULK1), autophagosomes formation, and autophagy-related proteins. The adenosine monophosphate-activated protein kinase (AMPK) inhibitor compound C attenuated PV-induced inhibition of mTOR. Our results suggest that PV inhibits the growth of PTC in vivo and in vitro via autophagy, which is associated with the AMPK/mTOR/ULK1 pathway. Thus, PV has the potential to function as a therapeutic agent against PTC.Tinnitus is a perception of sound in the absence of an external source. The aim of our study was to investigate with a meta-analytical approach, whether mobile phone (MP) use increases the risk of tinnitus. Eight studies reporting the risk of tinnitus in relation to MP use were identified, and six high-quality studies (two cohort studies, one case-control study, and three cross-sectional ones) were included in the meta-analysis. The quality assessment was performed using the Newcastle-Ottawa scale. The risk of tinnitus was analyzed depending on the exposure to MPs in subgroups according to the study design and method of exposure assessment. Two cohort studies, which assessed the exposure to MPs using network operator data, indicated no significantly increased risk of tinnitus among highly exposed MP users in comparison to lightly exposed individuals (odds ratio [OR] 1.03 [95% confidence interval [CI] 0.93-1.15]). Likewise, the self-reported exposure data from two cohorts/case-control and four cross-sectional studies did not find an association between exposure to MPs and tinnitus (OR 1.20 [95% CI 0.40-3.61] and OR 1.73 [95% CI 0.67-4.49], respectively). Current scientific knowledge, including high-quality studies with a reliable exposure assessment based on network operator data, does not support the hypothesis that MP use is associated with tinnitus. © 2020 Bioelectromagnetics Society.Our previous study revealed that Epimedii Folium (EF) and Codonopsis Radix (CNR) significantly promoted tumor growth on a subcutaneous mouse model of prostate cancer (PCa) via enhancing the mRNA and protein expressions of androgen receptor (AR), while Astragali Radix (AGR) inhibited tumor growth via suppressing the protein expression of AR. In the present study, we aimed to investigate the potential interactions between EF, CNR or AGR and AR antagonist (abiraterone acetate [ABI]) on the tumor growth using subcutaneous and orthotopic PCa mouse models. EF, CNR, AGR and ABI were intragastrically given to mice once every 2 days for 4 weeks. The pharmacokinetics of ABI were evaluated in the plasma of rats when combined with EF, CNR, or AGR. Our results demonstrated that EF or CNR could weaken the anti-tumor effects of ABI via increasing the AR expression involving activation of the PI3K/AKT and Rb/E2F pathways and decreasing the bioavailability of ABI, while AGR could enhance the anti-tumor effects of ABI through suppressing the AR expression via inhibiting the activations of PI3K/AKT and Rb/E2F pathways and increasing the bioavailability of ABI. These findings imply that cautions should be exercised when prescribing EF and CNR for PCa patients.The debate on the biological effects of radiofrequency radiation (RFR) still continues due to differences in the design of studies (frequency, power density, specific absorption rate [SAR], exposure duration, cell, tissue, or animal type). The current study aimed to investigate the effects of 2,600 MHz RFR and melatonin on brain tissue biochemistry and histology of male rats. selleck Thirty-six rats were divided into six groups randomly cage-control, sham, RFR, melatonin, sham melatonin, and RFR melatonin. In RFR groups, animals were exposed to 2,600 MHz RFR for 30 days (30 min/day, 5 days/week) and the melatonin group animals were subcutaneously injected with melatonin (7 days/week, 10 mg/kg/day) for 30 days. SAR in brain gray matter was calculated as 0.44 and 0.295 W/kg for 1 and 10 g averaging, respectively. RFR exposure decreased the GSH, GSH-Px, and SOD levels and increased the MPO, MDA, and NOx levels (P  less then  0.005) significantly. RFR exposure also led to an increase in structural deformation and apoptosis in the brain tissue.
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