Co-receptor signaling in the pathogenesis of neuroHIV

EA Nickoloff-Bybel, L Festa, O Meucci, PJ Gaskill - Retrovirology, 2021 - Springer
The HIV co-receptors, CCR5 and CXCR4, are necessary for HIV entry into target cells,
interacting with the HIV envelope protein, gp120, to initiate several signaling cascades …

Frizzled BRET sensors based on bioorthogonal labeling of unnatural amino acids reveal WNT-induced dynamics of the cysteine-rich domain

M Kowalski-Jahn, H Schihada, A Turku, T Huber… - Science …, 2021 - science.org
Frizzleds (FZD1–10) are G protein–coupled receptors containing an extracellular cysteine-
rich domain (CRD) binding Wingless/Int-1 lipoglycoproteins (WNTs). Despite the role of …

Microscopy and spectroscopy approaches to study GPCR structure and function

T Fessl, M Majellaro, A Bondar - British Journal of …, 2023 - Wiley Online Library
The GPCR signalling cascade is a key pathway responsible for the signal transduction of a
multitude of physical and chemical stimuli, including light, odorants, neurotransmitters and …

Itch receptor MRGPRX4 interacts with the receptor activity–modifying proteins

IB Kotliar, E Ceraudo, K Kemelmakher-Liben… - Journal of Biological …, 2023 - ASBMB
Cholestatic itch is a severe and debilitating symptom in liver diseases with limited treatment
options. The class AG protein-coupled receptor (GPCR) Mas-related GPCR subtype X4 …

Competitive binding study revealing the influence of fluorophore labels on biomolecular interactions

MS Dietz, SS Wehrheim, MLIE Harwardt… - Nano …, 2019 - ACS Publications
Fluorescence methods are important tools in modern biology. Direct labeling of
biomolecules with a fluorophore might, however, change interaction surfaces. Here, we …

The use of fluorescence correlation spectroscopy to characterise the molecular mobility of G protein-coupled receptors in membrane microdomains: an update

LE Kilpatrick, SJ Hill - Biochemical Society Transactions, 2021 - portlandpress.com
It has become increasingly apparent that some G protein-coupled receptors (GPCRs) are
not homogeneously expressed within the plasma membrane but may instead be organised …

[HTML][HTML] Advances in the application of fluorescence correlation spectroscopy to study detergent purified and encapsulated membrane proteins

LA Stoddart, J Goulding, SJ Briddon - The International Journal of …, 2022 - Elsevier
Fluorescence correlation spectroscopy (FCS) is a quantitative spectroscopy technique which
could potentially increase throughput and sensitivity of screening for ligand, substrate and …

Preparation of a stable CCL5· CCR5· Gi signaling complex for Cryo-EM analysis

P Isaikina, CJ Tsai, I Petrovic, M Rogowski… - Methods in Cell …, 2022 - Elsevier
The numerous chemokines and their cognate G protein-coupled chemokine receptors on
the surface of leukocytes form a complex signaling network, which regulates the immune …

[HTML][HTML] On-bead purification and nanodisc reconstitution of human chemokine receptor complexes for structural and biophysical studies

S Gu, M Huang, TM Handel - STAR protocols, 2023 - Elsevier
Chemokine receptors, a subfamily of G-protein-coupled receptors (GPCRs), are responsible
for cell migration during physiological processes as well as in diseases like inflammation …

Efficient production of fluorophore‐labeled CC chemokines for biophysical studies using recombinant enterokinase and recombinant sortase

W Guan, N Zhang, A Bains, M Sadqi… - …, 2024 - Wiley Online Library
Chemokines are important immune system proteins, many of which mediate inflammation
due to their function to activate and cause chemotaxis of leukocytes. An important anti …