Results 41 to 50 of about 4,599,169 (256)

Organizing the interface—Plasma membrane architecture and receptor dynamics in virus‐cell interactions

FEBS Letters, EarlyView.
Plasma membranes contain dynamic nanoscale domains that organize lipids and receptors. Because viruses operate at similar scales, this architecture shapes early infection steps, including attachment, receptor engagement, and entry. Using influenza A virus and HIV‐1 as examples, we highlight how receptor nanoclusters, multivalent glycan interactions ...
Jan Schlegel, Christian Sieben
wiley   +1 more source

Discovery of a Positive Allosteric Modulator of Cholecystokinin Action at CCK1R in Normal and Elevated Cholesterol

Frontiers in Endocrinology, 2021
Drugs useful in prevention/treatment of obesity could improve health. Cholecystokinin (CCK) is a key regulator of appetite, working through the type 1 CCK receptor (CCK1R); however, full agonists have not stimulated more weight loss than dieting.
Kaleeckal G. Harikumar, Thomas Coudrat, Thomas Coudrat, Aditya J. Desai, Maoqing Dong, Daniela G. Dengler, Sebastian G. B. Furness, Arthur Christopoulos, Arthur Christopoulos, Denise Wootten, Denise Wootten, Eduard A. Sergienko, Patrick M. Sexton, Patrick M. Sexton, Laurence J. Miller   +14 more
doaj   +1 more source

Biophysical approaches for studying viral entry

FEBS Letters, EarlyView.
Viruses infect all living organisms and have been responsible for major epidemics and pandemics. Their ongoing evolutionary battle with host defenses creates a constant need for improved tools to study viral behavior. Advancing methods to probe viral attachment, fusion, and genome release deepen our understanding of how infections begin and support the
Inbar Yosibash, Raya Sorkin
wiley   +1 more source

A novel and selective fluorescent ligand for the study of adenosine A2B receptors

Pharmacology Research & Perspectives
Fluorescent ligands have proved to be powerful tools in the study of G protein‐coupled receptors in living cells. Here we have characterized a new fluorescent ligand PSB603‐BY630 that has high selectivity for the human adenosine A2B receptor (A2BR).
Foteini Patera, Sarah J. Mistry, Nicholas D. Kindon, Eleonora Comeo, Joelle Goulding, Barrie Kellam, Laura E. Kilpatrick, Hester Franks, Stephen J. Hill   +8 more
doaj   +1 more source

Agonist efficacy at the β2AR is driven by the faster association rate of the Gs protein

Frontiers in Pharmacology
IntroductionThe β2-adrenoceptor (β2AR) is a class A G protein-coupled receptor (GPCR). It is therapeutically relevant in asthma and chronic obstructive pulmonary disease (COPD), where β2AR agonists relieve bronchoconstriction.
Clare R. Harwood, Clare R. Harwood, David A. Sykes, David A. Sykes, David A. Sykes, Theo Redfern-Nichols, Owen Underwood, Colin Nicholson, Colin Nicholson, Armin N. Khoshgrudi, Armin N. Khoshgrudi, Eline J. Koers, Eline J. Koers, Graham Ladds, Graham Ladds, Stephen J. Briddon, Stephen J. Briddon, Dmitry B. Veprintsev, Dmitry B. Veprintsev, Dmitry B. Veprintsev   +19 more
doaj   +1 more source

Exploring Ligand Binding to Calcitonin Gene-Related Peptide Receptors

Frontiers in Molecular Biosciences, 2021
Class B1 G protein-coupled receptors (GPCRs) are important targets for many diseases, including cancer, diabetes, and heart disease. All the approved drugs for this receptor family are peptides that mimic the endogenous activating hormones.
Giuseppe Deganutti, Silvia Atanasio, Roxana-Maria Rujan, Patrick M. Sexton, Patrick M. Sexton, Denise Wootten, Denise Wootten, Christopher A. Reynolds   +7 more
doaj   +1 more source

Salmonella lipopolysaccharide‐containing supported lipid bilayers as platforms to study bacteriophage interactions

FEBS Letters, EarlyView.
We present robust protocols for the preparation of supported lipid bilayers (SLBs) incorporating either Salmonella smooth LPS or outer membrane vesicles (OMVs). We use a combination of quartz crystal microbalance with dissipation (QCM‐D) and fluorescence microscopy to both characterize the SLBs of various compositions and to probe their interactions ...
Hudson P. Pace, Alyssa Borges, Charles Arnaud, Tove Karlsson, Nina K. Bröker, Stefanie Barbirz, Marta Bally   +6 more
wiley   +1 more source

Mapping membrane biophysical nano-environments

Nature Communications
The mammalian plasma membrane is known to contain domains with varying lipid composition and biophysical properties. However, studying these membrane lipid domains presents challenges due to their predicted morphological similarity to the bulk membrane ...
Luca Panconi, Jonas Euchner, Stanimir A. Tashev, Maria Makarova, Dirk-Peter Herten, Dylan M. Owen, Daniel J. Nieves   +6 more
doaj   +1 more source

TLR3 forms a highly organized cluster when bound to a poly(I:C) RNA ligand

Nature Communications, 2022
TLR3 plays a crucial role in anti-viral immune response by recognizing RNAs produced during virus infection. Here, the authors determine a high resolution structure of the activated cluster of TLR3.
Chan Seok Lim, Yoon Ha Jang, Ga Young Lee, Gu Min Han, Hye Jin Jeong, Ji Won Kim, Jie-Oh Lee   +6 more
doaj   +1 more source

The use of SMALPs as a novel membrane protein scaffold for structure study by negative stain electron microscopy. [PDF]

, 2015
Despite the great progress recently made in resolving their structures, investigation of the structural biology of membrane proteins still presents major challenges.
Shaun Rawson, Mitchell, JK, Postis, Vincent; id_orcid, Vincent Postis, Tim R Dafforn, Postis, Vincent, Muench, Stephen P., Baldwin, SA, Rawson, Shaun, Baldwin, Stephen A., Postis, V, Rawson, S, Stephen A Baldwin, Lee, SC, Rosemary A Parslow, Mitchell, Jennifer K., Dafforn, TR, Lee, Sarah C., Parslow, Rosemary A., Jennifer K Mitchell, Sarah C Lee, Stephen P Muench, Muench, SP, Dafforn, Tim R., Parslow, RA   +24 more
core   +1 more source