Review
Cell Biology
Yuka Nagata, Ryo Suzuki
Summary: Mast cells (MCs) have different roles in allergic responses, and the interactions between antigens and immunoglobulin E (IgE) can trigger diverse responses in MCs. The clustering of high-affinity IgE receptor Fc epsilon RI is crucial for signal transduction and determines the quality of MC responses. Antigen properties precisely regulate Fc epsilon RI dynamics, which can result in different outcomes by switching the intracellular signaling pathway, suggesting that antigen properties can control MC responses both qualitatively and quantitatively.
Article
Multidisciplinary Sciences
Donald MacGlashan
Summary: This study found that released FceRI-alpha accounted for 7% of total surface FceRI before the reaction, with a molecular weight of approximately 54 kD. The release of FceRI-alpha was found to be independent of internalized processing and starting density of FceRI, and was more effective with non-IgE-dependent stimuli.
Article
Immunology
Sathisha Upparahalli Venkateshaiah, Madhavi Rayapudi, Hemanth Kumar Kandikattu, Chandra Sekhar Yadavalli, Anil Mishra
Summary: This study demonstrates that IL-15 responsive T cells and IgE receptors can serve as novel non-invasive biomarkers for distinguishing between EoE and GERD. Additionally, analysis of blood mRNA levels reveals certain receptors significantly reduced in EoE patients, which can be used as predictors for EoE.
CLINICAL IMMUNOLOGY
(2021)
Article
Biochemistry & Molecular Biology
Tsubasa Ashikari, Masakazu Hachisu, Kazuki Nagata, Daisuke Ando, Yuki Iizuka, Naoto Ito, Kandai Ito, Yuki Ikeda, Hiroki Matsubara, Takuya Yashiro, Kazumi Kasakura, Chiharu Nishiyama
Summary: Mast cells play a significant role in IgE-mediated immunoresponses, and salicylaldehyde, identified as an inhibitor of mast cell activation, shows potential as an antiallergic compound.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Article
Immunology
Robert W. E. Crozier, Val A. Fajardo, Adam J. MacNeil
Summary: This study aimed to evaluate the potential therapeutic target of GSK3 in allergic inflammation. The results revealed that GSK3 inhibition reduced ROS production and degranulation, and decreased the production/release of pro-inflammatory mediators. Additionally, CHIR99021-mediated GSK3 inhibition altered the pro-inflammatory phenotype of mast cells.
EUROPEAN JOURNAL OF IMMUNOLOGY
(2023)
Review
Biochemistry & Molecular Biology
Greer K. Arthur, Glenn Cruse
Summary: Mast cells are immune cells involved in allergic inflammatory response. This review focuses on IgE-mediated activation and discusses the structure and function of Fc epsilon RI, as well as the role of Fc epsilon RI beta in regulating mast cell function and signaling. Current and emerging approaches to target IgE and Fc epsilon RI signaling are discussed, along with the potential therapeutic use of alternative splicing of Fc epsilon RI beta.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Article
Immunology
Satomi Mishima, Marin Sakamoto, Hikaru Kioka, Yuka Nagata, Ryo Suzuki
Summary: This study comprehensively examined the role of VAMP3 in mast cell function and the molecular mechanisms underlying it. The results suggest that VAMP3 mediates granule fusion and promotes granule exocytosis in mast cells. The loss of VAMP3 disrupts plasma membrane homeostasis and enhances Fc epsilon RI-mediated signal transduction. VAMP3 plays a multifunctional role in complex secretory responses in mast cells.
FRONTIERS IN IMMUNOLOGY
(2022)
Article
Endocrinology & Metabolism
Xia Li, Shaoheng He, Qing Tong
Summary: This study aimed to detect the expression changes of CD63, CD203c, and Fc epsilon RI alpha in blood basophil of patients with drug allergies, providing a reference for in vitro diagnosis of drug allergies. The results showed that CD63, CD203c, and Fc epsilon RI alpha can serve as activation markers for basophils in allergic reactions and have important clinical significance in diagnosing drug allergies, especially cephalosporin allergy.
JOURNAL OF BIOLOGICAL REGULATORS AND HOMEOSTATIC AGENTS
(2023)
Article
Critical Care Medicine
Angelica Tiotiu, Yusef Badi, Nazanin Zounemat Kermani, Marek Sanak, Johan Kolmert, Craig E. Wheelock, Philip M. Hansbro, Sven-Erik Dahlen, Peter J. Sterk, Ratko Djukanovic, Yike Guo, Sharon Mumby, Ian M. Adcock, Kian Fan Chung
Summary: By analyzing gene signatures of MC activation, we can identify phenotypes of severe asthma and indicate that MCs can have distinct transcriptional phenotypes associated with specific clinical phenotypes.
AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE
(2022)
Article
Allergy
Cynthia Kanagaratham, Tahereh Derakhshan, Yasmeen S. El Ansari, Kameryn N. Furiness, Eleanor Hollers, Mats Keldsen, Hans C. Oettgen, Daniel F. Dwyer
Summary: In this study, the inhibitory effects of IgG:Fc?RIIb signaling on MC responses to IgE were assessed using complementary transcriptomic and functional approaches. The results showed that IgG signaling via Fc?RIIb has a suppressive effect on IgE-induced MC transcription, especially genes related to bone marrow-derived MCs activation. These findings are important for understanding the regulatory mechanisms of IgG on IgE-induced MC responses.
JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY
(2023)
Article
Immunology
Mohammed Zghaebi, Maria Byazrova, Sabine Flicker, Sergio Villazala-Merino, Nicholas J. Campion, Victoria Stanek, Aldine Tu, Heimo Breiteneder, Alexander Filatov, Musa Khaitov, Verena Niederberger-Leppin, Julia Eckl-Dorna, Rudolf Valenta
Summary: A new sequential gating strategy was developed to detect cells bearing the IgE BCR on their surface, using a monoclonal anti-IgE antibody. This strategy allowed for the clear identification of allergen-specific IgE(+) memory B cells and plasma cells in human PBMCs, offering new insights into allergic responses.
FRONTIERS IN IMMUNOLOGY
(2021)
Review
Oncology
Mohammad Fereydouni, Mona Motaghed, Elnaz Ahani, Tal Kafri, Kristen Dellinger, Dean D. Metcalfe, Christopher L. Kepley
Summary: The role of mast cells in cancer pathologies is controversial, but they could serve as a platform for developing novel mechanisms of tumor immunotherapy.
FRONTIERS IN ONCOLOGY
(2022)
Article
Immunology
Yuping Wang, Tengkai Wang, Meijuan Cai, Shuzhen Zhu, Lijun Song, Qian Wang
Summary: The study found that in patients with SLE, the expression of Fc epsilon RI alpha increased while the level of anti-IgE decreased. Additionally, in the CHO3D10 cell line, Fc epsilon RI alpha was found to exist in both monomer and various polymer forms. Mast cell-associated Fc epsilon RI alpha plays a role in the inflammatory lesions of SLE.
IMMUNITY INFLAMMATION AND DISEASE
(2022)
Article
Biochemistry & Molecular Biology
Syed Benazir Alam, Ashley Wagner, Steven Willows, Marianna Kulka
Summary: Quercetin and resveratrol have differential inhibitory effects on mast cells, potentially through modulation of FcεRI expression, signaling, and mediator release.
Article
Cell Biology
Ashley Wagner, Syed Benazir Alam, Marianna Kulka
Summary: This study compared the response of different mast cell models to common stimuli and found that factors such as source, age, and biological sex play an important role in phenotypic outcomes and may explain the variability in their function.
CELLULAR IMMUNOLOGY
(2023)