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We report on the characteristics of the radical-ion-driven dissociation of a diverse array of beta-amino acids incorporated into alpha-peptides, as probed by tandem electron-capture and electron-transfer dissociation (ECD/ETD) mass spectrometry. The report ...
Invertebrates lack an adaptive immune system and rely on innate immunity to resist pathogens. The response of Drosophila melanogaster to bacterial and fungal infections involves two signaling pathways, Toll and Imd, both of which activate members of the nu ...
Nanopharmaceuticals or nanomedicines are defined as nanometer sized (1 to 1000 nm) complex systems, consisting of at least two components, one of which being the biologically active moiety such as a drug, peptide, protein or nucleotide. Several nano-sized ...
The insect Toll signaling pathway is activated upon recognition of Gram-positive bacteria and fungi, resulting in the expression of antimicrobial peptides via NF-kappaB-like transcription factor. This activation is mediated by a serine protease cascade lea ...
American Society for Biochemistry and Molecular Biology2009
Drosophila phagocytes participate in development and immune responses through their abilities to perform phagocytosis and/or secrete extra-cellular matrix components, antimicrobial peptides, clotting factors and signalling molecules. However, our knowledge ...
We recently showed that IL-13 or peroxisome proliferator activated receptor gamma (PPARgamma) ligands attenuate Candida albicans colonization of the gastrointestinal tract. Here, using a macrophage-specific Dectin-1 deficient mice model, we demonstrate tha ...
Peptides are an attractive class of molecules for the development of therapeutics because they combine unique properties such as high binding affinity, excellent target specificity, low toxicity and a relatively small mass. However, the short in vivo half- ...
The toxicity of amyloid-forming proteins is correlated with their interactions with cell membranes. Binding events between amyloidogenic proteins and membranes result in mutually disruptive structural perturbations, which are associated with toxicity. Memb ...
The systemic immune response of Drosophila is known to be induced both by septic injury and by oral infection with certain bacteria, and is characterized by the secretion of antimicrobial peptides (AMPs) into the haemolymph. To investigate other possible r ...
Two peptides known to interact with receptors embedded in cell membranes, angiotensin III (AngIII) and Leuenkephalin(LeuEnk), were studied electrochemically at the interface formed between two immiscible electrolyte solutions modified by an adsorbed monola ...
