Fluorescence-Based Detection of Proteins and Their Interactions in Live Cells

MR Stoneman, V Raicu - The Journal of Physical Chemistry B, 2023 - ACS Publications
Recent advances in fluorescence-based microscopy techniques, such as single molecule
fluorescence, Förster resonance energy transfer (FRET), fluorescence intensity fluctuations …

Membrane receptor activation mechanisms and transmembrane peptide tools to elucidate them

JM Westerfield, FN Barrera - Journal of Biological Chemistry, 2020 - ASBMB
Single-pass membrane receptors contain extracellular domains that respond to external
stimuli and transmit information to intracellular domains through a single transmembrane …

Biased signaling due to oligomerization of the G protein-coupled platelet-activating factor receptor

J Liu, H Tang, C Xu, S Zhou, X Zhu, Y Li… - Nature …, 2022 - nature.com
G protein-coupled receptors (GPCRs) are important drug targets that mediate various
signaling pathways by activating G proteins and engaging β-arrestin proteins. Despite its …

Conformational rearrangement during activation of a metabotropic glutamate receptor

BW Liauw, HS Afsari, R Vafabakhsh - Biophysical Journal, 2021 - cell.com
The ability to sense external stimuli and dynamically respond lies at the core of cellular
homeostasis. G protein-coupled receptors (GPCRs), the largest family of membrane proteins …

The β2-adrenergic receptor associates with CXCR4 multimers in human cancer cells

J Liang, M Seghiri, PK Singh, HG Seo… - Proceedings of the …, 2024 - National Acad Sciences
While the existence and functional role of class C G-protein-coupled receptors (GPCR)
dimers is well established, there is still a lack of consensus regarding class A and B GPCR …

Mechanical regulation of talin through binding and history-dependent unfolding

N Dahal, S Sharma, B Phan, A Eis, I Popa - Science Advances, 2022 - science.org
Talin is a force-sensing multidomain protein and a major player in cellular
mechanotransduction. Here, we use single-molecule magnetic tweezers to investigate the …

Ligand bias in receptor tyrosine kinase signaling

K Karl, MD Paul, EB Pasquale, K Hristova - Journal of Biological Chemistry, 2020 - ASBMB
Ligand bias is the ability of ligands to differentially activate certain receptor signaling
responses compared with others. It reflects differences in the responses of a receptor to …

Regulation of the EphA2 receptor intracellular region by phosphomimetic negative charges in the kinase-SAM linker

BC Lechtenberg, MP Gehring, TP Light… - Nature …, 2021 - nature.com
Eph receptor tyrosine kinases play a key role in cell-cell communication. Lack of structural
information on the entire multi-domain intracellular region of any Eph receptor has hindered …

EGFR forms ligand-independent oligomers that are distinct from the active state

PO Byrne, K Hristova, DJ Leahy - Journal of Biological Chemistry, 2020 - ASBMB
The human epidermal growth factor receptor (EGFR/ERBB1) is a receptor tyrosine kinase
(RTK) that forms activated oligomers in response to ligand. Much evidence indicates that …

Therapeutic potential of opioid receptor heteromers in chronic pain and associated comorbidities

M Gaborit, D Massotte - British Journal of Pharmacology, 2023 - Wiley Online Library
Chronic pain affects 20% to 45% of the global population and is often associated with the
development of anxio‐depressive disorders. Treatment of this debilitating condition remains …