Letteratura scientifica selezionata sul tema "Hyaluronan brush"
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Articoli di riviste sul tema "Hyaluronan brush"
Cappelli, Andrea, Marco Paolino, Giorgio Grisci, Vincenzo Razzano, Germano Giuliani, Alessandro Donati, Claudia Bonechi et al. "Hyaluronan-coated polybenzofulvene brushes as biomimetic materials". Polymer Chemistry 7, n. 42 (2016): 6529–44. http://dx.doi.org/10.1039/c6py01644h.
Testo completoFaubel, Jessica L., Riddhi P. Patel, Wenbin Wei, Jennifer E. Curtis e Blair K. Brettmann. "Giant Hyaluronan Polymer Brushes Display Polyelectrolyte Brush Polymer Physics Behavior". ACS Macro Letters 8, n. 10 (25 settembre 2019): 1323–27. http://dx.doi.org/10.1021/acsmacrolett.9b00530.
Testo completoLee, G. M., B. Johnstone, K. Jacobson e B. Caterson. "The dynamic structure of the pericellular matrix on living cells." Journal of Cell Biology 123, n. 6 (15 dicembre 1993): 1899–907. http://dx.doi.org/10.1083/jcb.123.6.1899.
Testo completoChen, Xinyue, e Ralf P. Richter. "Effect of calcium ions and pH on the morphology and mechanical properties of hyaluronan brushes". Interface Focus 9, n. 2 (15 febbraio 2019): 20180061. http://dx.doi.org/10.1098/rsfs.2018.0061.
Testo completoAttili, Seetharamaiah, Oleg V. Borisov e Ralf P. Richter. "Films of End-Grafted Hyaluronan Are a Prototype of a Brush of a Strongly Charged, Semiflexible Polyelectrolyte with Intrinsic Excluded Volume". Biomacromolecules 13, n. 5 (25 aprile 2012): 1466–77. http://dx.doi.org/10.1021/bm3001759.
Testo completoPitarresi, Giovanna, Calogero Fiorica, Mariano Licciardi, Fabio Salvatore Palumbo e Gaetano Giammona. "New hyaluronic acid based brush copolymers synthesized by atom transfer radical polymerization". Carbohydrate Polymers 92, n. 2 (febbraio 2013): 1054–63. http://dx.doi.org/10.1016/j.carbpol.2012.10.017.
Testo completoPaulsson, M., M. Mörgelin, H. Wiedemann, M. Beardmore-Gray, D. Dunham, T. Hardingham, D. Heinegård, R. Timpl e J. Engel. "Extended and globular protein domains in cartilage proteoglycans". Biochemical Journal 245, n. 3 (1 agosto 1987): 763–72. http://dx.doi.org/10.1042/bj2450763.
Testo completoWang, Lingyun, Meihuan Chen, Xueguang Ran, Hao Tang e Derong Cao. "Sorafenib-Based Drug Delivery Systems: Applications and Perspectives". Polymers 15, n. 12 (9 giugno 2023): 2638. http://dx.doi.org/10.3390/polym15122638.
Testo completoWei, Wenbin, Jessica L. Faubel, Hemaa Selvakumar, Daniel T. Kovari, Joanna Tsao, Felipe Rivas, Amar T. Mohabir et al. "Self-regenerating giant hyaluronan polymer brushes". Nature Communications 10, n. 1 (dicembre 2019). http://dx.doi.org/10.1038/s41467-019-13440-7.
Testo completoCarvalho, Ana M., Jesus Valcarcel, Diana Soares da Costa, Marisa Gomes, José Antonio Vázquez, Rui L. Reis, Ramon Novoa-Carballal e Iva Pashkuleva. "Hyaluronan Brush-like Copolymers Promote CD44 Declustering in Breast Cancer Cells". ACS Applied Materials & Interfaces, 2 settembre 2022. http://dx.doi.org/10.1021/acsami.2c11864.
Testo completoTesi sul tema "Hyaluronan brush"
Kirichuk, Oksana. "Avancées dans les études in vitro des interactions cellule-glycocalyx : développement d'une plateforme définie mécaniquement et biochimiquement". Electronic Thesis or Diss., Université Grenoble Alpes, 2023. http://www.theses.fr/2023GRALY084.
Testo completoCell adhesion to the blood vessel wall is a complex, highly regulated physiological process. Red blood cells must repel from the blood vessel wall to prevent blood clotting while immune cells can be recruited from the vascular system to migrate into surrounding tissues. Cell adhesion hinges on the critical role played by the glycocalyx, a soft gel-like layer coating the vascular wall. However, how glycocalyx mechanical (softness, thickness) and biochemical (the composition and the density of surface receptors) properties affect this regulation is still poorly understood. Our hypothesis is that selective cell adhesion requires an intricate interplay of mechanical and biochemical cues. Elucidating the physical and molecular mechanisms that underpin selective adhesion directly in real blood vessels is challenging owing to the complexity and lack of control in in vivo systems. In my research, I aimed to construct an in vitro molecular interaction platform to facilitate mechanistic analyses. The platform combines a molecularly-defined model of the glycocalyx with mimetics of white blood cells under flow. While developing such a platform posed challenges, it offers the advantage of precise control over the physical and biochemical parameters of both the glycocalyx mimetic and cell mimetics.The newly developed glycocalyx model includes several key ingredients with tightly controlled properties: a brush of hyaluronan (HA, an essential component of the endothelial glycocalyx) is combined with P-selectin (an adhesion molecule on the endothelial cell surface critical for the homing of leukocytes). Building on previous experience in my research group, I employed a silica-supported lipid bilayer (SLB) bearing a monolayer of streptavidin (SAv), that can bind biotinylated molecules via biotin-SAv bonds. I introduce here a control of the in-plane mobility of molecules anchored to the fluid lipid bilayer using glutaraldehyde (GTA) as a cross-linking agent for SAv. Controlled grafting densities of one-end biotinylated HA chains of various lengths then create brushes of different mechanical properties. I also present a new methodology for quantitatively tuning the grafting density of smaller biotinylated molecules, which is deployed here to control the grafting density of an ‘adapter protein’ for anchoring P-selectin. The new in vitro model of the glycocalyx thus affords control over the lateral mobility, the surface density and the orientation of two distinct functional molecules.The second key component of the newly developed platform consists of white blood cell mimetics, developed based on commercially available microbeads with the size of a cell and a SAv coating. I introduce a methodology for simultaneous grafting of two types of proteins onto the bead surface: biotinylated CD44 (a ligand expressed on leukocyte surfaces, interacting specifically with HA) and PSGL-1 (a ligand of P-selectin). Additionally, I present a method for controlling the surface density of each of these proteins.I use a combination of methods as monitoring and quality control tools of glycocalyx model formation and bead functionalization: quartz crystal microbalance with dissipation monitoring (QCM-D); spectroscopic ellipsometry (SE), reflection interference contrast microscopy (RICM); confocal microscopy with fluorescence recovery after photobleaching (FRAP) capabilities, and flow cytometry.This newly established platform provides a controlled environment for studying blood cell adhesion, effectively bridging the divide between cell-glycocalyx chemical interactions and the mechanical aspects of cell migration under flow, including attachment and repulsion from the vascular wall. This platform holds the potential for expansion to encompass other surface adhesion molecules or to integrate multiple adhesion molecules, to gradually advance from the bottom up our understanding of the mechanisms governing cell adhesion to blood vessels