ArticleJournal of neuroinflammation2025
CD22 modulation alleviates amyloid β-induced neuroinflammation.
Article in Journal of neuroinflammation, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- SM03, a non-depleting anti-CD22 antibody, modulates B cell activation and immune crosstalk to attenuate autoimmunity.Journal of translational autoimmunity · 2026Article
- Targeting astrocyte-mediated neurotoxicity induced by ALS/FTD-associated RNA binding proteins.Cell communication and signaling : CCS · 2026Article
- Neuro-Immune Crosstalk: Molecular Mechanisms, Biological Functions, Diseases, and Therapeutic Targets.MedComm · 2026Review
- T cell-microglial interactions that impair myelin maintenance and regeneration: cellular mechanisms on white-matter associated changes.Frontiers in immunology · 2026Review
- Energy Metabolism and Brain Aging: Strategies to Delay Neuronal Degeneration.Cellular and molecular neurobiology · 2025Review
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Authors and funding
5 authors.
Funding
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Abstract
Neuroinflammation is a crucial driver of multiple neurodegenerative diseases, including Alzheimer's disease (AD), amyotrophic lateral sclerosis (ALS) and Parkinson's disease (PD). Yet, therapeutic targets for neurodegenerative diseases based on neuroinflammation still warrant investigation. CD22 has been implicated in neuroinflammatory diseases, namely AD. Specifically, plasma soluble CD22 (sCD22) level is upregulated in patients with AD. Direct experimental evidence for the role of CD22 in neuroinflammation is needed, as is a better understanding of its impact on microglia activation and therapeutic potential. Here we reported that sCD22 promotes neuroinflammation both in vivo and in vitro. sCD22 activated microglia via both p38 and ERK1/2 signaling pathway for the secretion of TNFα, IL-6 and CCL3. Moreover, sCD22 activated microglia via sialic acid binding domain and 2,6 linked sialic acid glycan on sCD22. The pivotal therapeutic potential of targeting CD22 was demonstrated in Amyloid β (Aβ) induced-neuroinflammation in hCD22 transgenic mice. Suciraslimab improved working memory and resolved neuroinflammation in vivo. Further, membrane CD22 inhibited Amyloid β (Aβ) induced-NFκB signaling pathway and mechanistic study delineated that suciraslimab suppressed Aβ-induced IL-1β secretion in human microglia and PBMC. Suciraslimab also suppressed IL-12 and IL-23 secretion in human PBMC. Moreover, suciraslimab reduced the surface expression of α4 integrin on B cells. Intriguingly, we discovered that CD22 interact with Aβ and suciraslimab enhanced internalization of CD22-Aβ complex in microglia. Our data highlights the importance of sCD22 in driving neuroinflammation and the dual mechanism of targeting CD22 to resolve Aβ-induced inflammation and promote Aβ phagocytosis.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.