Multifaceted MRGPRX2: New insight into the role of mast cells in health and disease

S Roy, CCN Ayudhya, M Thapaliya, V Deepak… - Journal of Allergy and …, 2021 - Elsevier
Cutaneous mast cells (MCs) express Mas-related G protein–coupled receptor-X2
(MRGPRX2; mouse ortholog MrgprB2), which is activated by an ever-increasing number of …

G protein-coupled receptor kinase type 2 and β-arrestin2: Key players in immune cell functions and inflammation

H Cheng, P Guo, T Su, C Jiang, Z Zhu, W Wei, L Zhang… - Cellular …, 2022 - Elsevier
G protein-coupled receptor kinase type 2 (GRK2) and β-arrestin2 are representative proteins
that regulate the transduction and trafficking of G protein-coupled receptor (GPCR) …

The pseudoallergen receptor MRGPRX2 on peripheral blood basophils and eosinophils: Expression and function

B Wedi, M Gehring, A Kapp - Allergy, 2020 - Wiley Online Library
Background Mas‐related G protein‐coupled receptor X2 (MRGPRX2) is regarded as a mast
cell‐specific receptor mediating non–IgE‐dependent activation. We aimed to investigate …

Inhibition of MRGPRX2 but not FcεRI or MrgprB2-mediated mast cell degranulation by a small molecule inverse receptor agonist

M Bawazir, A Amponnawarat, Y Hui… - Frontiers in …, 2022 - frontiersin.org
Mas-related G protein-coupled receptor-X2 (MRGPRX2) expressed on mast cells (MCs)
contributes to hypersensitivity reactions to cationic US-Food and Drug Administration (FDA) …

[HTML][HTML] MRGPRX2 is the codeine receptor of human skin mast cells: desensitization through β-arrestin and lack of correlation with the FcεRI pathway

M Babina, Z Wang, S Roy, S Guhl, K Franke… - Journal of Investigative …, 2021 - Elsevier
Codeine stimulates skin mast cells and is therefore used in skin tests and as an inducer of
experimental itch. MRGPRX2 responds to various drugs, including opioids, to elicit …

Osthole, a natural plant derivative inhibits MRGPRX2 induced mast cell responses

BN Callahan, AK Kammala, M Syed, C Yang… - Frontiers in …, 2020 - frontiersin.org
Mast cells are tissue-resident innate immune cells known for their prominent role in
mediating allergic reactions. MAS-related G-protein coupled receptor-X2 (MRGPRX2) is a …

MRGPRX2-Mediated Degranulation of Human Skin Mast Cells Requires the Operation of Gαi, Gαq, Ca++ Channels, ERK1/2 and PI3K—Interconnection between …

Z Wang, K Franke, G Bal, Z Li, T Zuberbier, M Babina - Cells, 2022 - mdpi.com
The recent discovery of MRGPRX2 explains mast cell (MC)-dependent symptoms
independently of FcεRI-activation. Because of its novelty, signaling cascades triggered by …

Mast cell MrgprB2 in neuroimmune interaction in IgE-mediated airway inflammation and its modulation by β-arrestin2

S Sutradhar, H Ali - Frontiers in Immunology, 2024 - frontiersin.org
Introduction Allergic asthma has been linked to the activation of mast cells (MCs) by the
neuropeptide substance P (SP), but the mechanism underlying this neuroimmune …

Inhibition of orai channel function regulates mas-related G protein-coupled receptor-mediated responses in mast cells

S Chaki, I Alkanfari, S Roy, A Amponnawarat… - Frontiers in …, 2022 - frontiersin.org
Mast cells (MCs) are tissue resident immune cells that play important roles in the
pathogenesis of allergic disorders. These responses are mediated via the cross-linking of …

β-arrestin-1 and β-arrestin-2 restrain MRGPRX2-triggered degranulation and ERK1/2 activation in human skin mast cells

Z Wang, Z Li, G Bal, K Franke, T Zuberbier… - Frontiers in …, 2022 - frontiersin.org
As a novel receptor that efficiently elicits degranulation upon binding to one of its numerous
ligands, MRGPRX2 has moved to the center of attention in mast cell (MC) research. Indeed …