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  • McWilliams Storm posted an update 10 months, 2 weeks ago

    7 versus 49.2mo, P<0.001) in patients with BCLM ER+ (69.6 versus 54.1mo, P=0.002) and triple-negative BC (49.2 versus 17.6mo, P=0.006). Cox regression showed that LR, chemotherapy, and positive hormone receptor status (ER+, PR+, and/or HER2+) were independent predictors of improved OS. Advanced age and comorbidity score negatively impacted OS.

    This is the largest series thus far assessing the role of LR in patients with BCLM. LR plus chemotherapy may be associated with acceptable outcomes in selected patients with BCLM. LR should be considered in patients with isolated BCLM who had a good response to systemic therapy.

    This is the largest series thus far assessing the role of LR in patients with BCLM. LR plus chemotherapy may be associated with acceptable outcomes in selected patients with BCLM. LR should be considered in patients with isolated BCLM who had a good response to systemic therapy.Extracellular vesicles (EVs) have unique structural, compositional, and morphological characteristics as well as predominant physiochemical stability and biocompatibility properties. They play a crucial role in pathophysiological regulation, and also have broad prospects for clinical application in the diagnosis, prognosis, and therapy of disease, and tissue regeneration and repair. Herein, the biosynthesis and physiological functions and current methods for separation and identification of EVs are summarized. Specifically, engineered EVs may be used to enhance targeted therapy in cancer and repair damaged tissues, and they may be developed as an individualized imaging diagnostic reagent, among other potential applications. We will focus on reviewing recent studies on engineered EVs in which alterations enhanced their therapeutic capability or diagnostic imaging potential via physical, chemical, and biological modification approaches. This review will clarify the superior biological functions and powerful therapeutic potential of EVs, particularly with regard to new designs based on EVs and their utilization in a new generation of nanomedicine diagnosis and treatment platforms.Epicardial placement of mesenchymal stromal cells (MSCs) is a promising strategy for cardiac repair post-myocardial infarction, but requires the design of biomaterials to maximise the retention of donor cells on the heart surface and control their phenotype. To this end, we propose the use of a poly(2-alkyl-2-oxazoline) (POx) derivative, based on 2-ethyl-2-oxazoline and 2-butenyl-2-oxazoline. This POx polymer can be cured rapidly (less than 2 min) via photo-irradiation due to the use of di-cysteine cell degradable peptides. We report that the cell-degradable properties of the resulting POx hydrogels enables the regulation of cell protrusion in corresponding 3D matrices and that this, in turn, regulates the secretory phenotype of MSCs. A-966492 in vitro In particular, the expression of pro-angiogenic genes was upregulated in partially cell-degradable POx hydrogels. Improved angiogenesis was confirmed in an in vitro microfluidic assay. Finally, we confirmed that, owing to the excellent tissue adhesive properties of thiol-ene crosslinked hydrogels, the epicardial placement of MSC-loaded POx hydrogels promoted the recovery of cardiac function and structure with reduced interstitial fibrosis and improved neovascular formation in a rat myocardial infarction model. This report demonstrates that engineered synthetic hydrogels displaying controlled mechanical, cell degradable and bioactive properties are particularly attractive candidates for the epicardial placement of stem cells to promote cardiac repair post myocardial infarction.Eating disorders are widespread illnesses with significant global impact. There is growing concern about how young people overuse online resources leading to mental health sequelae. We gathered data from 639 individuals from a population cohort. Participants were all young adults at the point of contact and were grouped as having probable eating disorder with excessive exercise (n = 37) or controls (n = 602). We measured obsessionality, compulsivity, impulsivity, and problematic internet use. Group differences in these domains were evaluated; and structural equation modelling (SEM) was used to assess structural relationships between variables. Cases had higher scores of obsessional thoughts of threat (Cohen’s d = 0.94, p less then 0.001), intolerance towards uncertainty (Cohen’s d = 0.72; p less then 0.001), thoughts of importance and control (Cohen’s d = 0.65, p less then 0.01), compulsivity (Cohen’s d = 0.72; p less then 0.001), negative urgency (Cohen’s d = 0.75, p less then 0.001), and higher problematic usage of the internet (Cohen’s d = 0.73; p-corrected less then 0.001). Our SEM showed significant partial mediation of problematic internet use on both the effect of obsessionality latent factor on cases (z-value = 2.52, p less then 0.05), as well as of sensation seeking latent factor on cases (z-value = 2.09, p less then 0.05). Youth with eating disorder and heightened exercise levels have increased obsessive thoughts of threat, compulsivity traits and sensation seeking impulsivity. The association between obsessive thoughts and eating disorders, as well as sensation seeking and eating disorders were partially mediated by problematic internet use. Problematic internet use may be playing a role in the development or maintenance of eating disorder symptoms in the background of obsessional thoughts and sensation seeking impulsive traits.The mental health of frontline workers is critical to a community’s ability to manage crises and disasters. This study assessed risks for mental health problems (traumatic stress, depression, anxiety, alcohol use, insomnia) in association with pandemic-related stressors in a sample of emergency and hospital personnel (N = 571). Respondents completed self-report surveys online from April 1st to May 7th, 2020 in the Rocky Mountain region of the United States. Results showed that roughly fifteen to thirty percent of respondents screened positive for each disorder. Odds of screening positive were similar between groups for probable acute traumatic stress, depressive disorder, anxiety disorder, and alcohol use disorder; emergency personnel reported significantly higher rates of insufficient sleep than healthcare workers. Logistic regressions showed that respondents who reported having an immunocompromised condition had higher odds of acute traumatic stress, anxiety, and depression. Having an immunocompromised household member was associated with higher odds of insufficient sleep and anxiety.