Browsing by Subject "Phospholipid membrane"
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Item Open Access Evidence-Based Clinical Use of Nanoscale Extracellular Vesicles in Nanomedicine(American Chemical Society, 2016-03) Fais, S.; O'Driscoll, L.; Borras, F. E.; Buzas, E.; Camussi, G.; Cappello, F.; Carvalho, J.; Cordeiro Da Silva, A.; Del Portillo, H.; El Andaloussi, S.; Ficko Trček, T.; Furlan, R.; Hendrix, A.; Gursel, I.; Kralj-Iglic, V.; Kaeffer, B.; Kosanovic, M.; Lekka, M. E.; Lipps, G.; Logozzi, M.; Marcilla, A.; Sammar, M.; Llorente, A.; Nazarenko, I.; Oliveira, C.; Pocsfalvi, G.; Rajendran, L.; Raposo, G.; Rohde, E.; Siljander, P.; Van, N. G.; Vasconcelos, M. H.; Yáñez-Mó, M.; Yliperttula, M. L.; Zarovni, N.; Zavec, A. B.; Giebel, B.Recent research has demonstrated that all body fluids assessed contain substantial amounts of vesicles that range in size from 30 to 1000 nm and that are surrounded by phospholipid membranes containing different membrane microdomains such as lipid rafts and caveolae. The most prominent representatives of these so-called extracellular vesicles (EVs) are nanosized exosomes (70-150 nm), which are derivatives of the endosomal system, and microvesicles (100-1000 nm), which are produced by outward budding of the plasma membrane. Nanosized EVs are released by almost all cell types and mediate targeted intercellular communication under physiological and pathophysiological conditions. Containing cell-type-specific signatures, EVs have been proposed as biomarkers in a variety of diseases. Furthermore, according to their physical functions, EVs of selected cell types have been used as therapeutic agents in immune therapy, vaccination trials, regenerative medicine, and drug delivery. Undoubtedly, the rapidly emerging field of basic and applied EV research will significantly influence the biomedicinal landscape in the future. In this Perspective, we, a network of European scientists from clinical, academic, and industry settings collaborating through the H2020 European Cooperation in Science and Technology (COST) program European Network on Microvesicles and Exosomes in Health and Disease (ME-HAD), demonstrate the high potential of nanosized EVs for both diagnostic and therapeutic (i.e., theranostic) areas of nanomedicine.Item Open Access IR and turbidity studies of vitamin E-cholesterol-phospholipid membrane interactions(Kluwer Academic Publishers-Plenum Publishers, 1995) Severcan, F.; Kazanci, N.; Baykal, Ü.; Süzer, Ş.Binary and tertiary mixture of α-tocophenol, cholesterol and dimyristoylphosphatidylcholine in the form of multilamellar liposomes were investigated by Fourier Transform Infrared and visible spectroscopy. Results of the FTIR and turbidity experiments indicate that α T decreases or diminishes the effect of cholesterol on the frequency and the bandwidth of the C-H stretching, CH2 scissoring and C=O stretching bands in FTIR spectra and the turbidity measurements (recorded as absorbance values at 440 nm) in phospholipid model membranes. © 1995 Plenum Publishing Corporation.