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CD22 (Siglec-2) is a member of the Siglec family. It is an inhibitory co-receptor of the B-cell-receptor (BCR) and inhibits B–cell activation. Upon BCR stimulation ITIMs in the cytoplasmic tail of CD22 are phosphorylated. This triggers CD22 signalling pathways, which lead to a decreased calcium mobi...
ORGANISM(S): Gallus gallus (Chicken) 
2020-05-06 | PXD013801 | Pride

Postoperative cognitive dysfunction (POCD) is a common complication characterized by cognitive decline following surgery, with neuroinflammation serving as a critical pathogenic mechanism. Emerging evidence indicates that CD22, an inhibitory receptor primarily expressed on B cells and microglia, ...

2025-09-24 | MTBLS13028 | MetaboLights
Sphingomonas sp. CD22 Genome sequencing and assembly
Clostridioides difficile CD22 Genome sequencing and assembly
CD22 (also known as Siglec-2) belongs to the Siglec family of glycan-recognition proteins and negatively regulates B-cell receptor-mediated signaling. CD22 protein is known to be down-regulated in the B cells of patients with chronic lymphocytic leukemia (CLL). However, the mechanism regulating the ...
ORGANISM(S): Homo sapiens (Human) 
2025-03-26 | PXD054553 | Pride
CD22 modulation regulates neuroinflammation in microglia
Using using ATLAS cDNA expression arrays, we performed gene expression profiling of primary leukemia cells from 31 infants and 30 non-infant children (pediatric patients) with ALL to determine if any of these signature genes are differentially expressed in infant ALL vs. pediatric ALL. Reduced expr...
ORGANISM(S): Homo sapiens 
Transcriptional responses of T cells activated via CD22-specific T cell receptor compared to CD22-specific chimeric antigen receptor
scRNA sequencing analysis of CD22(-) CD4+ T cells during viral infection
CD22 blockage restores age-related impairments of microglia surveillance capacity
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