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This review discusses lysosomotropic and lysosome targeting drugs that are already in clinical use and are characterized by good safety profiles, low cost and wide availability. Some of these drugs -particularly azithromycin and other macrolides, indomethacin and some other non-steroidal anti-inflammatory drugs, proton pump inhibitors and fluoxetine - could provide additional therapeutic benefits in addition to the potential antiviral effect that is still to be confirmed by well-controlled clinical trials. As some of these drugs have probably been used empirically in the treatment of COVID-19, it is hoped that colleagues worldwide will publish patient data to enable evaluation of the potential efficacy of these agents in the clinical context, and rapid implementation in therapeutic protocols if they are shown to have a beneficial effect on clinical outcome.Background Between 2015-2017, 21 850 Enterobacterales isolates and 6156 Pseudomonas aeruginosa (P. aeruginosa) isolates were collected by 77 centers in 18 European countries as part of the International Network for Optimal Resistance Monitoring (INFORM) study (which was included into the Antimicrobial Testing Leadership and Surveillance [ATLAS] study in 2018). Methods A central reference laboratory performed antimicrobial susceptibility testing using broth microdilution panels according to Clinical and Laboratory Standards Institute guidelines. The presence of β-lactamases was confirmed using multiplex PCR assays. Results Among Enterobacterales isolates, the highest rates of susceptibility were to ceftazidime-avibactam (99.0%; MIC90 0.5 mg/L), meropenem (96.3%), amikacin (95.2%), and imipenem (92.8%). All Enterobacterales organisms were highly susceptible to colistin (≥ 94.6%), apart from Proteus mirabilis, which is intrinsically resistant to colistin. Susceptibility rates among ceftazidime-resistant isolates were 95.7% for ceftazidime-avibactam and 87.9% for colistin, and 78.5% and 71.1%, respectively, among carbapenemase-positive isolates. Colistin was the only agent with activity against metallo-β-lactamases (100% susceptibility) among Enterobacterales and P. aeruginosa isolates. Overall susceptibility rates among P. aeruginosa were highest to colistin (99.5%) and ceftazidime-avibactam (92.3%), and were similar to ceftazidime-resistant isolates for colistin (98.9%) and reduced to 66.2% for ceftazidime-avibactam. Susceptibility rates among multidrug-resistant P. E7766 molecular weight aeruginosa isolates were 98.9% to colistin and 71.7% to ceftazidime-avibactam. Conclusions Clinical isolates of Enterobacterales and P. aeruginosa collected from Europe, between 2015-2017, were highly susceptible to ceftazidime-avibactam, suggesting it is a useful alternative agent for patients whose treatment options may be limited. Persistent antimicrobial resistance requires continued surveillance and monitoring.SARS-CoV-2 is mainly transmitted by respiratory droplets and contact with contaminated surfaces. It can be retrieved in faeces but there is no evidence of faecal-oral transmission, which is the main route of contamination in recreational waters. Standard cleaning and disinfecting procedure, microbiologic control and health rules aim to prevent infectious risk regardless of the microorganisms. In the context of progressive lockdown exit and hospital activities recovery, we assessed the risk of SARS-CoV-2 transmission in rehabilitation pools and therapeutic water environments in order to provide specific recommendations to control the spread of SARS-CoV-2 while ensuring essential rehabilitation cares for patients.The processes of angiogenesis, cell proliferation, invasion, and migration, and the signaling pathways that drive these events, are activated in both cancer and during embryonic development. Here, we systematically assessed how the activity of major developmental signaling pathways, represented by the expression of genes encoding components of the pathways, correlated with patient survival in ∼8000 patients across 17 cancer types. We also compared the expressed genes enriched in developmental pathways with those associated with epithelial-mesenchymal transition (EMT) both in a cancer cohort and in mice during embryonic development. We found that EMT and gene expression profiles consistent with high activity of several developmental pathways, including the TGFβ, Notch, and non-canonical Wnt pathways, significantly correlated with poor patient survival in multiple cancer types. We investigated individual components of these pathways and found that expression of the gene encoding the non-canonical Wnt receptor, frizzled 2 (FZD2), is highly correlated with both poor patient survival and gene expression indicating EMT in the tumors. Further mechanistic studies and pathway analyses revealed that FZD2-regulated genes in cancer cells in culture or FZD2-regulated gene sets from the TCGA data or FZD2-regulated genes involved in mouse organogenesis converged in EMT-associated biological processes, suggesting that FZD2 is a key driver of mesenchymal-like cell state and thus, a contributor to cancer progression and metastasis.Extensive antibiotic use combined with poor historical drug stewardship practices have created a medical crisis in which once treatable bacterial infections are now increasingly unmanageable. To combat this, new antibiotics will need to be developed and safeguarded. An emerging class of antibiotics based upon nuclease-stable antisense technologies has proven valuable in preclinical testing against a variety of bacterial pathogens. This review describes the current state of development of antisense-based antibiotics, the mechanisms thus far employed by these compounds, and possible future avenues of research.The modulation of voltage-gated K+ (Kv) channels, involved in cell proliferation, arises as a potential therapeutic approach for the prevention of intimal hyperplasia present in in-stent restenosis (ISR) and allograft vasculopathy (AV). We studied the effect of PAP-1, a selective blocker of Kv1.3 channels, on development of intimal hyperplasia in vitro and in vivo in 2 porcine models of vascular injury. In vitro phenotypic modulation of VSMCs was associated to an increased functional expression of Kv1.3 channels, and only selective Kv1.3 channel blockers were able to inhibit porcine VSMC proliferation. The therapeutic potential of PAP-1 was then evaluated in vivo in swine models of ISR and AV. At 15-days follow-up, morphometric analysis demonstrated a substantial reduction of luminal stenosis in the allografts treated with PAP-1 (autograft 2.72 ± 1.79 vs allograft 10.32 ± 1.92 vs allograft + polymer 13.54 ± 8.59 vs allograft + polymer + PAP-1 3.06 ± 1.08 % of luminal stenosis; P = 0.006) in the swine model of femoral artery transplant.
Website: https://www.selleckchem.com/products/e7766-diammonium-salt.html
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