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Chemical Ecology of Nematodes
Get PDFNematodes represent the most abundant group of metazoans on earth. They utilize diverse chemicals to interact with con-specific and hetero-specific organisms, and are also impacted by compounds produced by other interacting organisms. In the first part of this review we discuss how nematode-derived glycolipids modulate their behavior and development, as well as the interactions with other organisms. Furthermore, we provide a short overview about other secondary metabolites produced by nematodes that affect different life traits of free-living nematodes. In the second part of this review we discuss how different bacteria-, nematode-, and plant-derived chemicals such as volatile organic compounds, root exudates, and plant defenses regulate the interaction between entomopathogenic nematodes, their symbiotic bacteria, insect prey, predators, and plants
Ultrastructure Expansion Microscopy to Uncover Novel Features of the Parasite Trypanosoma brucei: Highlights of Analytical Sciences in Switzerland
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VALSYNTHESE, YOUR SERVICE PREMIUM PARTNER IN CDMO FIELD
Get PDFValsynthese, part of SSE Group, is a Swiss CDMO based in the middle of the Alps. Our core capabilities are focused on high energetic and highly hazardous chemistry. The reaction capabilities include nitration, phosgenation, hydrogenation together with a broad range of classical organic chemical reactions
Tailoring Design of Nanomaterials and Systems to Individualize Patient Treatments
Get PDFNanomedicine encompasses usage of materials smaller than 100 nm for diagnosis, monitoring and treatment of disease. A frequent application of these materials is in reformulation of active drugs, which were previously approved for clinical use. As illustrated with chemotherapeutics, delivery of a drug within a nanocarrier can represent a clear clinical benefit as it can increase its targeted uptake and reduce the off-target toxicity. Matching nanomedicine treatments with patient-specific biomarkers provides an exciting prospect for moving the filed towards precision medicine. In parallel, a strong potential for personalized treatments comes from employing nanomaterials for the delivery of patient-tailored biologically active molecules. Recent research and clinical data have highlighted mRNA and siRNA molecules, as well as short peptides, as powerful new drug classes that can be designed according to patient profiles and effectively delivered within nanoparticles. Particles used for therapeutic delivery are based on biodegradable and safe materials, frequently lipids and polymers, which can be further functionalized into more complex forms. Currently, there is a strong interest in developing specific nanocarrier formulations which can achieve optimal delivery of active molecules to targeted cells while reducing unwanted side-effects. Here, we discuss recent developments and future perspectives in the nanomedicine field and specifically highlight innovative approaches for the personalized patient treatments.  
Linkers as Game-changers in PROTAC Technology: Emphasizing General Trends in PROTAC Pharmacokinetics for their Rational Design
Get PDFProteolysis Targeting Chimeras (PROTACs) are heterobifunctional molecules that act as degraders. They selectively remove disease-associated proteins by hijacking the Ubiquitin-Proteasome System (UPS). Chemically, they consist of three parts: an E3 ligase ligand, a target of interest (TOI) ligand, and a linker, which connects the two moieties. The rapid expansion of PROTAC Technology as an innovative therapeutic modality in cancer fostered the drug discovery effort to optimize their physicochemical properties. Due to their large size, their features are far from the traditional ‘drug-like’ properties. This short review highlights some of the structural modifications in the linker component to optimize the PROTAC Drug Metabolism and Pharmacokinetics (DMPK) profile. In particular, we discussed aspects related to solubility, cell permeability, active transporters efflux and, metabolic stability
