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Bacterial pathogens have evolved multiple strategies to disassemble epithelial cell apical junctional complexes (AJCs) and infect epithelial cells. Leptospirosis is a widespread zoonotic infection, mainly caused by Leptospira interrogans, and its dissemination across host cell barriers is essential for its pathogenesis. However, the mechanism of bacterial dissemination across epithelial cell barriers remains poorly characterised. In this study, we analysed the interaction of L. interrogans with renal proximal tubule epithelial cells (RPTECs) and found that at 24 hr post-infection, L. interrogans remain in close contact with the plasma membrane of the RPTEC by extracellularly adhering or crawling. https://www.selleckchem.com/products/loxo-292.html Leptospira interrogans cleaved E-cadherin and induced its endocytosis with release of the soluble N-terminal fragment into the extracellular medium. Concomitantly, a gradual decrease in transepithelial electrical resistance (TEER), mislocalisation of AJC proteins (occludin, claudin-10, ZO-1, and cingulin) and cytoskeletal rearrangement were observed. Inhibition of clathrin-mediated E-cadherin endocytosis prevented the decrease in TEER. We showed that disassembly of AJCs in epithelial cells and transmigration of bacteria through the paracellular route are important for the dissemination of L. interrogans in the host. The study objective was to examine the association between phentermine/topiramate therapy and weight loss and adverse events in adults with overweight or obesity by meta-analysis and systematic review. Medical Subject Headings and free-text terms were selected to search for eligible trials in PubMed, Cochrane Central Register of Controlled Trials (CENTRAL), and Embase up to April 18, 2020. The quality of randomized controlled trials was evaluated by the Cochrane risk-of-bias tool. Meta-analysis was performed using random-effect models. Phentermine/topiramate therapy resulted in an average weight loss of 7.73 kg (95% CI 6.60-8.85) in general compared with placebo. The weight loss was related to the dose of phentermine/topiramate. Compared with placebo, the average weight loss was 3.55 kg (95% CI 2.22-4.88) for 3.75/23 mg, 7.27 kg (95% CI 6.40-8.13) for 7.5/46 mg, and 8.25 kg (95% CI 6.92-9.79) for 15/92 mg. For phentermine/topiramate participants in different weight-loss subgroups, the weight loss of parely related to the dosage. However, it increased the risk of nervous system-related adverse events.In this study, a high-performance photoanode based on 3D periodic, micropillar-structured fluorine-doped tin oxide (FTO-MP) deposited with BiVO4 is fabricated using the patterned FTO by direct printing and spray pyrolysis, followed by the deposition of BiVO4 by sputtering and V ion heat-treatment on the patterned FTO. The FTO-MP enables light scattering owing to its 3D periodic structure and increases the light absorption efficiency. In addition, the high electron mobility of FTO and enlarged surface area of FTO-MP enhance the separation efficiency. Due to the combination of these enhancing strategies, the photocurrent density of micropillar-patterned BiVO4 at 1.23 VRHE reached 2.97 mA cm-2 , which is 67.8% higher than that of flat BiVO4 . The results suggest that the efficiency can increase significantly using the patterned FTO fabricated by an inexpensive and simple process (i.e., direct printing and spray pyrolysis), thereby indicating a new strategy for the enhancement of efficiency in various energy fields.The global trade of tropical fruits is expected to increase significantly in the coming years. In 2018, the production was approximately 100 million tones, an increase of 3.3% compared to the previous year. Nevertheless, according to the Food and Agricultural Organization, every year one-third of the food produced in the world for human consumption is lost or wasted. More specifically, around 45% of the fruits, constituted mainly by peels, seeds, and pulps after juice extraction, are discarded mainly in the agricultural and processing steps. Therefore, decreasing and/or using these byproducts, which are often rich in bioactive components, have become an important focus for both the scientific community and the fruit processing industry. In this line, supercritical fluid extraction (SFE) technology is expected to play a significant role in the valorization of these byproducts. This review presents the concepts of a tropical fruit biorefinery using supercritical CO2 extraction and the potential applications of the isolated fractions. There is a specific focus on the extraction of bioactive compounds, that is, carotenoids and phenolics, but also oils and other valuable molecules. Moreover, the techno-economic and environmental performance is assessed. Overall, the biorefinery of tropical fruits via SFE provides new opportunities for development of food and pharmaceutical products with improved economic and environmental performance. The study aimed to identify social factors predicting improvement of frailty in community-dwelling older adults after 2 years using a population-based cohort study. We analyzed data from the 2016 and 2018 Korean Frailty and Aging Cohort Study. The participants of this study were 1428 community-dwelling older adults aged 70-84 years who were recruited from 10 medical centers across different regions. Frailty was measured using the five-item FRAIL scale, which evaluates fatigue, resistance, ambulation, illness and weight loss. Multilevel logistic regression analysis was used to examine baseline social factors that predict frailty improvement after 2 years by frailty status. In frail older adults, higher participation in social activities (odds ratio [OR] 1.17, 95% confidence interval [CI] 1.02-1.34) was significantly associated with frailty improvement. In pre-frail older adults, there were no significant social factors predicting the improvement of frailty status; however, other modifiable factors such as high and moderate levels of physical activity (OR 1.17, 95% CI 1.07-1.28, OR 1.13, 95% CI 1.03-1.25, respectively) and low depressive symptoms (OR 0.88, 95% CI 0.84-0.91) were associated with pre-frail improvements. High levels of physical activity (OR 1.16, 95% CI 1.02-1.33) were also associated with improvements of frailty. Different strategies depending on the level of frailty are necessary to improve frailty status. Timely and appropriate interventions can promote frailty improvement and prevent negative health outcomes in community-dwelling older adults. Geriatr Gerontol Int 2021; 21 465-471. Different strategies depending on the level of frailty are necessary to improve frailty status. Timely and appropriate interventions can promote frailty improvement and prevent negative health outcomes in community-dwelling older adults. Geriatr Gerontol Int 2021; 21 465-471.
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