ArticleCirculation research2025
Spleen-Heart Cross-Talk Through CD23-Mediated Signal Promotes Cardiac Remodeling.
Article in Circulation research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Multifunctional scaffold inspired by hepatocyte exosomes promotes bone regeneration by regulating osteogenic differentiation via PI3K/AKT pathway.Materials today. Bio · 2026Article
- Cardiac-targeting peptide-modified Prussian blue nanozymes loaded with Astragaloside IV for efficient ICI-myocarditis therapy.Materials today. Bio · 2026Article
- Amb a 1-Specific IgE in Heart Failure: A Translational Framework for Seasonal Risk, Endotyping, and Patient-Centered Management.Journal of clinical medicine · 2026Review
- The spleen-heart crosstalk in cardiovascular disease: integrating neural, immune, and secretory pathways.Acta pharmacologica Sinica · 2026Review
- Immunoregulatory mechanisms in parasitic eosinophilic lung disease: the role of IgE immune complexes and NLRC4 inflammasome.Frontiers in immunology · 2026Review
- FcεRII (CD23) in dermatological disorders: structure, function, and clinical implications.Frontiers in allergy · 2026Review
- Signaling Pathways of the Acquired Immune System and Myocardial Dysfunction in Chronic Kidney Disease-What Do We Know So Far?Biomolecules · 2025Review
- Splenic CD23+ B Cells: Preventing Adverse Remodeling by Limiting IgE Production.Circulation research · 2025Article
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15 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundElevated levels of IgE are implicated in pathological cardiac remodeling. However, the origin of IgE remains unknown. In the current study, we aim to explore the source of IgE and the mechanisms underlying IgE production in the context of pathological cardiac remodeling.
methodsFlow cytometry was used to assess the changes of IgE-producing B cells in different organs/tissues, including the spleen, lymph nodes, bone marrow, peripheral blood, vasculature, and heart, in mice with cardiac remodeling induced by transverse aortic constriction (TAC). The role of IgE low-affinity receptor FcεRII (Fc epsilon receptor II, also named CD23) in IgE-producing B cells during cardiac remodeling was evaluated in mice with loss-of-CD23 or gain-of-CD23. The therapeutic potential of the CD23-neutralizing antibody was evaluated. The factors involved in organ cross-talk, which regulate IgE production, were identified and validated both in vitro and in vivo.
resultsWe found that splenic IgE-producing cells were significantly elevated in the TAC mice. CD23, as a negative regulator of IgE production, was decreased in splenic B cells of TAC mice. Global knockout of CD23 in mice aggravated TAC-induced IgE synthesis and cardiac remodeling in vivo. In contrast, global or B-cell-specific CD23 overexpression in mice reduced IgE synthesis and alleviated TAC-induced cardiac remodeling. Mechanistically, CD23 was cleaved by ADAM10 (A disintegrin and metalloproteinase domain 10) in the spleen. Screening assay with data-independent acquisition mass spectrometry-based proteomics and ELISA identified Ltf (lactotransferrin), released from the heart shortly after TAC stimulation, as a contributor to ADAM10 upregulation through binding to Ltf receptor Ncl (nucleolin). Meanwhile, Ltf administration promoted IgE elevation, accompanied by increased ADAM10 expression and decreased CD23 expression in vitro and in vivo. Furthermore, the plasma Ltf levels were positively correlated with TAC-induced cardiac remodeling, serum IgE, and sCD23 (soluble CD23). Consistently, Ltf levels were elevated in patients with heart failure with reduced ejection fraction and also positively correlated with serum IgE and sCD23.
conclusionsOur findings indicate a critical role of the Ltf-ADAM10-CD23 axis in regulating IgE production through cross-talk between the heart and spleen. The Ltf-ADAM10-CD23 axis may represent new molecular targets for IgE-mediated pathological cardiac remodeling.
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