Scope To explore how quercetin will affect memory impairments in APP/PS1 mice under different vitamin D status. Methods and results APP/PS1 mice are divided into four groups, i.e., control (CON), low (LVD), medium, and high vitamin D supplemented with quercetin. During Morris Water Maze test, mice of the LVD group function best for improving cognitive function demonstrated by reduced latency to platform, and increased number of crossing and swimming distance in the target quadrant. Compared to the CON group, in both hippocampus and cortex, the LVD group has significant reduction in Aβ plaques, p‐Tau at Ser396&Ser404, and neuroinflammation. In the hippocampus, BDNF is elevated, miR‐26a and miR‐125b is decreased, while miR‐132 is increased in the LVD group. The LVD group demonstrates increased gut microbial diversity and elevated relative abundance of Glutamicibacter, Facklamia and Aerocorrus. In the hippocampus, p‐Tau at ser396&404, GFAP, Ibα1, miR‐26a, and miR‐132 are negatively correlated with Aerococcus; and p‐Tau at ser404 and Ibα1 are negatively correlated with Facklamia. Conclusion Quercetin is more efficacious for improving cognitive function under low vitamin D status. This might be owing to that interventions reduce Aβ plaques, tau phosphorylation, and neuroinflammation, upregulate BDNF, reduce miR‐26a and miR‐125b, increase miR‐132, and elevate gut microbial diversity including Facklamia and Aerococcus.
Background To investigate whether Pentafecta is suitable for bladder cancer patients receiving laparoscopic radical cystectomy (LRC). Methods From November 2013 to December 2020, muscle invasive Bladder Cancer (MIBC) and non-muscle invasive Bladder Cancer (NMIBC) patients who received LRC and urinary diversion were retrospectively analyzed. Pentafecta was defined as meeting five criteria: negative soft margin, ≥ 16 lymph nodes (LNs) removed, major complications free, urinary diversion related sequelae free and clinical recurrence free within 1 year. Analyze the achievement of five criteria and compare the overall survival (OS) of Pentafecta group with non-attainment group. Multivariable Cox’s regression was performed to evaluate the impact of Pentafecta on OS. Multivariable logistic regression was performed to explore the effect of surgical experience on Pentafecta attainment. Results A total of 340 patients were included, negative soft margin, ≥ 16 lymph nodes (LNs) removed, major complications free, urinary diversion related sequelae free and clinical recurrence free within 1 year were observed in 95.3%, 30.3%, 83.8%, 75.0% and 85.6% of patients, respectively. Pentafecta group had a significantly longer OS than the non-attainment group (P = 0.027). The group with 10–15 LNs removed and meeting the other four criteria had a similar OS to group with ≥ 16 LNs removed (Pentafecta group) (5-year OS: 67.3% vs 72.7%, P = 0.861). Pentafecta (HR = 0.33, P = 0.011), positive lymph nodes (HR = 2.08, P = 0.028) and MIBC (HR = 3.70, P < 0.001) were all significant predictors of OS in multivariable Cox’s regression. Surgical experience (OR = 1.05, P < 0.001), conduit (OR = 2.09, P = 0.047) and neobladder (OR = 2.47, P = 0.048) were all independent predictors of Pentafecta attainment in multivariable logistic regression. Conclusions Pentafecta is suitable for bladder cancer patients receiving LRC and has the potential to be a valuable tool for evaluating the quality of LRC. Based on Pentafecta analysis, removing 10 LNs instead of 16 LNs as the one of the five criteria may be more appropriate for bladder cancer patients.
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