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Showing 1-30 of 43 results for "840034P" within Papers
Alessandra Luchini et al.
Analytical chemistry, 92(1), 1081-1088 (2019-11-27)
In vitro characterization of membrane proteins requires experimental approaches providing mimics of the microenvironment that proteins encounter in native membranes. In this context, supported lipid bilayers provide a suitable platform to investigate membrane proteins by a broad range of surface-sensitive
Jigesh Patel et al.
Biochimica et biophysica acta. Biomembranes, 1862(2), 183140-183140 (2019-12-04)
There is an on-going debate whether anesthetic drugs, such as isoflurane, can cause meaningful structural changes in cell membranes at clinical concentrations. In this study, the effects of isoflurane on lipid membrane fluidity were investigated using fluorescence anisotropy and spectroscopy.
Phosphoserine imprinted nanosensor for detection of Cancer Antigen 125
Buyuktiryaki S, et al.
Talanta, 167, 172-180 (2017)
Peter A Leventis et al.
Annual review of biophysics, 39, 407-427 (2010-03-03)
Phosphatidylserine (PS) is the most abundant negatively charged phospholipid in eukaryotic membranes. PS directs the binding of proteins that bear C2 or gamma-carboxyglutamic domains and contributes to the electrostatic association of polycationic ligands with cellular membranes. Rather than being evenly
Li-Ping Gao et al.
Biochimica et biophysica acta. General subjects, 1864(1), 129422-129422 (2019-09-07)
Previous studies suggested that fibrillar human IAPP (hIAPP) is more likely to deposit in β-cells, resulting in β-cell injury. However, the changes in the conformation of hIAPP in lipid environment and the mechanism involved in β-cell damage are unclear. Synthetic
Erick Miranda-Laferte et al.
The Journal of biological chemistry, 289(15), 10387-10398 (2014-02-13)
The β-subunit associates with the α1 pore-forming subunit of high voltage-activated calcium channels and modulates several aspects of ion conduction. Four β-subunits are encoded by four different genes with multiple splice variants. Only two members of this family, β2a and
Kari Kusler et al.
The journal of physical chemistry. B, 120(50), 12883-12889 (2016-12-14)
Phosphatidylserine (PS) has previously been found to bind Cu2+ in a ratio of 1 Cu2+ ion per 2 PS lipids to form a complex with an apparent dissociation constant that can be as low as picomolar. While the affinity of
Cellular phosphatase activity of C1-Ten/Tensin2 is controlled by Phosphatidylinositol-3, 4, 5-triphosphate binding through the C1-Ten/Tensin2 SH2 domain
Kim E, et al.
Cellular Signalling, 51, 130-138 (2018)
James W P Brown et al.
Nature communications, 10(1), 5662-5662 (2019-12-13)
Single-molecule assays have, by definition, the ultimate sensitivity and represent the next frontier in biological analysis and diagnostics. However, many of these powerful technologies require dedicated laboratories and trained personnel and have therefore remained research tools for specialists. Here, we
Irene S Tobias et al.
The Biochemical journal, 473(4), 509-523 (2015-12-05)
Atypical protein kinase C (aPKC) isoenzymes are key modulators of insulin signalling, and their dysfunction correlates with insulin-resistant states in both mice and humans. Despite the engaged interest in the importance of aPKCs to type 2 diabetes, much less is
Hongbing Yao et al.
The Journal of biological chemistry, 283(2), 849-854 (2007-11-16)
Hepatocytes play a crucial role in regulating lipid metabolism by exporting cholesterol and triglyceride into plasma through secretion of very low density lipoproteins (VLDL). VLDL production is also required for release of hepatitis C virus (HCV) from infected hepatocytes. Here
Rajan Lamichhane et al.
Structure (London, England : 1993), 28(3), 371-377 (2020-01-25)
G-protein-coupled receptors (GPCRs) mediate a wide range of human physiological functions by transducing extracellular ligand binding events into intracellular responses. GPCRs can activate parallel, independent signaling pathways mediated by G proteins or β-arrestins. Whereas "balanced" agonists activate both pathways equally
Fluorophore Labeling, Nanodisc Reconstitution and Single-molecule Observation of a G Protein-coupled Receptor
Lamichhane R, et al.
Bio-protocol, 7(12) (2017)
Renato M S Cardoso et al.
Biochimica et biophysica acta. Biomembranes, 1862(3), 183157-183157 (2019-12-18)
Association of amphiphiles with biomembranes is important for their availability at specific locations in organisms and cells, being critical for their biological function. A prominent role is usually attributed to the hydrophobic effect, and to electrostatic interactions between charged amphiphiles
Jonathan F Tait et al.
Analytical biochemistry, 329(1), 112-119 (2004-05-12)
We developed a method for measuring the binding affinity of annexin V for phospholipid vesicles and cells at very low levels of membrane occupancy. The annexin V-117 mutant was labeled with fluorescein iodoacetamide on its single N-terminal cysteine residue; binding
Arnaud Marquette et al.
Biochimica et biophysica acta. Biomembranes, 1862(2), 183149-183149 (2019-12-10)
Viral protein R (Vpr) is a small accessory protein of 96 amino acids that is present in Human and simian immunodeficiency viruses. Among the very different properties that Vpr possesses we can find cell penetrating capabilities. Based on this and
Sophia C Goodchild et al.
PloS one, 9(8), e104492-e104492 (2014-08-08)
Although the molecular mechanisms underlying the pathology of amyloidoses are not well understood, the interaction between amyloid proteins and cell membranes is thought to play a role in several amyloid diseases. Amyloid fibrils of β2-microglobulin (β2m), associated with dialysis-related amyloidosis
Julia Skalska et al.
Nanoscale, 11(48), 23366-23381 (2019-12-04)
One of the most important causes of failure in tumour treatment is the development of resistance to therapy. Cancer cells can develop the ability to lose sensitivity to anti-neoplastic drugs during reciprocal crosstalk between cells and their interaction with the
Sumie Manno et al.
The Journal of biological chemistry, 285(44), 33923-33929 (2010-08-21)
Human erythrocytes are continuously exposed to glucose, which reacts with the amino terminus of the β-chain of hemoglobin (Hb) to form glycated Hb, HbA1c, levels of which increase with the age of the circulating cell. In contrast to extensive insights
Saba Ghazvini et al.
Langmuir : the ACS journal of surfaces and colloids, 34(3), 1159-1170 (2017-10-12)
Lipid membranes, a major component of cells, are subjected to significant changes in pH depending on their location in the cell: the outer leaflet of the cell membrane is exposed to a pH of 7.4 whereas lipid membranes that make
Stéphanie Jephthah et al.
Biomolecules, 10(4) (2020-04-23)
Magnesium transporter A (MgtA) is an active transporter responsible for importing magnesium ions into the cytoplasm of prokaryotic cells. This study focuses on the peptide corresponding to the intrinsically disordered N-terminal region of MgtA, referred to as KEIF. Primary-structure and
Saki Taniguchi et al.
Protein science : a publication of the Protein Society (2020-01-22)
In macroautophagy, de novo formation of the double membrane-bound organelles, termed autophagosomes, is essential for engulfing and sequestering the cytoplasmic contents to be degraded in the lytic compartments such as vacuoles and lysosomes. Atg8-family proteins have been known to be
Ruijun Zhang et al.
Science translational medicine, 8(336), 336ra62-336ra62 (2016-04-29)
Development of an HIV vaccine is a global priority. A major roadblock to a vaccine is an inability to induce protective broadly neutralizing antibodies (bnAbs). HIV gp41 bnAbs have characteristics that predispose them to be controlled by tolerance. We used
Maria J Sarmento et al.
Langmuir : the ACS journal of surfaces and colloids, 33(43), 12463-12477 (2017-09-30)
Although the evidence for the presence of functionally important nanosized phosphorylated phosphoinositide (PIP)-rich domains within cellular membranes has accumulated, very limited information is available regarding the structural determinants for compartmentalization of these phospholipids. Here, we used a combination of fluorescence
Sonia Rodríguez-Fdez et al.
Cells, 8(12) (2020-01-01)
Phosphatidylinositol-5 phosphate (PI5P) and other mono-phosphoinositides (mono-PIs) play second messenger roles in both physiological and pathological conditions. Despite this, their intracellular targets and mechanisms of action remain poorly characterized. Here, we show that Vav1, a protein that exhibits both Rac1
Jung Yong Eum et al.
Journal of chromatography. A, 460849-460849 (2020-01-14)
Aging refers to the intracellular accumulation of reactive oxygen species that damages proteins, DNA, and lipids. As alterations in lipid metabolism may trigger metabolic disorders and the onset of metabolic diseases, changes in lipid profiles can be closely related to
Vid Šuštar et al.
PloS one, 7(7), e39401-e39401 (2012-07-14)
As variance from standard phospholipids of eubacteria and eukaryotes, archaebacterial diether phospholipids contain branched alcohol chains (phytanol) linked to glycerol exclusively with ether bonds. Giant vesicles (GVs) constituted of different species of archaebacterial diether phospholipids and glycolipids (archaeosomes) were prepared
Wei Zong et al.
Langmuir : the ACS journal of surfaces and colloids, 34(23), 6874-6886 (2018-05-20)
The success of nanoparticulate formulations in drug delivery depends on various aspects including their toxicity, internalization, and intracellular location. Vesicular assemblies consisting of phospholipids and amphiphilic block copolymers are an emerging platform, which combines the benefits from liposomes and polymersomes
Sarah M Fantin et al.
Analytical chemistry, 91(24), 15469-15476 (2019-11-20)
Membrane proteins represent most current therapeutic targets, yet remain understudied due to their insolubility in aqueous solvents and generally low yields during purification and expression. Ion mobility-mass spectrometry and collision induced unfolding experiments have recently garnered attention as methods capable
Jung Ho Lee et al.
Biochemistry, 55(35), 4949-4959 (2016-07-28)
The interaction between α-synuclein (αS) protein and lipid membranes is key to its role in synaptic vesicle homeostasis and plays a role in initiating fibril formation, which is implicated in Parkinson's disease. The natural state of αS inside the cell
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