Search Results - "Alves, Isabel D."
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The role of the lipid environment in the activity of G protein coupled receptors
Published in Biophysical chemistry (01-06-2022)“…G protein coupled receptors (GPCRs) are a class of membrane proteins that sense extracellular signals ranging from light to odorants and small molecules and…”
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2
Improved Detection of Plasmon Waveguide Resonance Using Diverging Beam, Liquid Crystal Retarder, and Application to Lipid Orientation Determination
Published in Sensors (Basel, Switzerland) (21-03-2019)“…Plasmon waveguide resonance (PWR) sensors exhibit narrow resonances at the two orthogonal polarizations, transverse electric (TE) and transverse magnetic (TM),…”
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3
Translocation and Endocytosis for Cell-penetrating Peptide Internalization
Published in The Journal of biological chemistry (04-12-2009)“…Cell-penetrating peptides (CPPs) share the property of cellular internalization. The question of how these peptides reach the cytoplasm of cells is still…”
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4
The role of CXCR3/LRP1 cross-talk in the invasion of primary brain tumors
Published in Nature communications (17-11-2017)“…CXCR3 plays important roles in angiogenesis, inflammation, and cancer. However, the precise mechanism of regulation and activity in tumors is not well known…”
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Plasmon Waveguide Resonance: Principles, Applications and Historical Perspectives on Instrument Development
Published in Molecules (Basel, Switzerland) (26-10-2021)“…Plasmon waveguide resonance (PWR) is a variant of surface plasmon resonance (SPR) that was invented about two decades ago at the University of Arizona. In…”
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Tryptophan within basic peptide sequences triggers glycosaminoglycan‐dependent endocytosis
Published in The FASEB journal (01-02-2013)“…Deciphering the structural requirements and mechanisms for internalization of cell‐penetrating peptides (CPPs) is required to improve their delivery…”
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The role of tryptophans on the cellular uptake and membrane interaction of arginine-rich cell penetrating peptides
Published in Biochimica et biophysica acta (01-02-2015)“…Cell-penetrating peptides (CPP) are able to efficiently transport cargos across cell membranes without being cytotoxic to cells, thus present a great potential…”
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8
An original approach to measure ligand/receptor binding affinity in non-purified samples
Published in Scientific reports (30-03-2022)“…Several biochemical and biophysical methods are available to determine ligand binding affinities between a biological target and its ligands, most of which…”
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Microfluidic diffusional sizing probes lipid nanodiscs formation
Published in Biochimica et biophysica acta. Biomembranes (01-06-2020)“…The biophysical characterisation of membrane proteins and their interactions with lipids in native membrane habitat remains a major challenge. Indeed,…”
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Relationships between membrane binding, affinity and cell internalization efficacy of a cell-penetrating peptide: penetratin as a case study
Published in PloS one (06-09-2011)“…Penetratin is a positively charged cell-penetrating peptide (CPP) that has the ability to bind negatively charged membrane components, such as…”
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The enhanced membrane interaction and perturbation of a cell penetrating peptide in the presence of anionic lipids: Toward an understanding of its selectivity for cancer cells
Published in Biochimica et biophysica acta (01-06-2013)“…Cell penetrating peptides (CPPs) are usually short, highly cationic peptides that are capable of crossing the cell membrane and transport cargos of varied size…”
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12
Biophysical Insight on the Membrane Insertion of an Arginine-Rich Cell-Penetrating Peptide
Published in International journal of molecular sciences (09-09-2019)“…Cell-penetrating peptides (CPPs) are short peptides that can translocate and transport cargoes into the intracellular milieu by crossing biological membranes…”
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13
Direct translocation of cell-penetrating peptides in liposomes: A combined mass spectrometry quantification and fluorescence detection study
Published in Analytical biochemistry (01-07-2013)“…Cell-penetrating peptides (CPPs) can cross cell membranes in a receptor-independent manner. Two main routes for their cellular uptake have been proposed:…”
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Cell biology meets biophysics to unveil the different mechanisms of penetratin internalization in cells
Published in Biochimica et biophysica acta (01-12-2010)“…Although cell-penetrating peptides are widely used as molecular devices to cross membranes and transport molecules or nanoparticles inside cells, the…”
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15
Homeoproteins and homeoprotein-derived peptides: going in and out
Published in Current pharmaceutical design (2013)“…Since the initial evidence that antennapedia homeobox can cross cell membranes and internalize into cells, numerous peptides with similar translocation…”
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Design, synthesis, and biological evaluation of a multifunctional neuropeptide-Y conjugate for selective nuclear delivery of radiolanthanides
Published in EJNMMI research (02-03-2020)“…Background Targeting G protein-coupled receptors on the surface of cancer cells with peptide ligands is a promising concept for the selective tumor delivery of…”
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Cellular uptake and biophysical properties of galactose and/or tryptophan containing cell-penetrating peptides
Published in Biochimica et biophysica acta (01-03-2012)“…Glycosylated cell penetrating peptides (CPPs) have been conjugated to a peptide cargo and the efficiency of cargo delivery into wild type Chinese hamster ovary…”
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Study of G‑Protein Coupled Receptor Signaling in Membrane Environment by Plasmon Waveguide Resonance
Published in Accounts of chemical research (16-04-2019)“…Conspectus Here we describe an experimental technique, termed plasmon waveguide resonance (PWR) spectroscopy that enables the characterization of molecular…”
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Dendron-Functionalized Surface: Efficient Strategy for Enhancing the Capture of Microvesicles
Published in iScience (22-11-2019)“…Microvesicles (MVs) are used by various types of cells in the human body for intercellular communication, making them biomarkers of great potential for the…”
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Direct Monitoring of GPCR Reconstitution and Ligand-Binding Activity by Plasmon Waveguide Resonance
Published in Methods in molecular biology (Clifton, N.J.) (2020)“…The study of G-protein-coupled receptor (GPCR ) mechanisms of activation and signaling often the isolation, purification, and reconstitution of GPCRs in model…”
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