Date published: 2025-11-6

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CD22 Inhibitors

CD22 inhibitors are a class of chemical compounds designed to target and modulate the activity of the CD22 protein, which plays a crucial role in immune regulation and B-cell function. CD22, also known as Siglec-2 (Sialic acid-binding Ig-like lectin 2), is a transmembrane glycoprotein primarily expressed on the surface of B cells, including both mature B cells and B-cell precursors. It functions as a negative regulator of B-cell receptor (BCR) signaling, helping to curb excessive activation of B cells and maintaining immune tolerance. CD22 inhibitors are designed to interfere with CD22's interaction with sialic acid residues on glycoproteins, a critical step in its immunomodulatory function.

The mechanism of action of CD22 inhibitors typically involves binding to the CD22 protein, blocking its engagement with sialic acid residues. This disruption of CD22's binding ability can lead to enhanced BCR signaling, thereby promoting B-cell activation. CD22 inhibitors may also trigger antibody-dependent cellular cytotoxicity (ADCC) or complement-dependent cytotoxicity (CDC), leading to the elimination of CD22-expressing B cells. These compounds are of interest in the field of immunology and oncology, as they have the ability to modulate immune responses.

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Items 1 to 10 of 11 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Chlorambucil

305-03-3sc-204682
sc-204682A
250 mg
1 g
$51.00
$120.00
3
(0)

Chlorambucil may alkylate DNA, leading to the disruption of cellular processes and potentially decreasing CD22 expression.

Methylprednisolone

83-43-2sc-205749
sc-205749A
100 mg
500 mg
$115.00
$260.00
1
(1)

Methylprednisolone can affect transcription factors that may downregulate CD22 expression as part of its anti-inflammatory action.

Cyclophosphamide

50-18-0sc-361165
sc-361165A
sc-361165B
sc-361165C
50 mg
100 mg
500 mg
1 g
$76.00
$143.00
$469.00
$775.00
18
(1)

Cyclophosphamide, a cytotoxic agent, could inhibit the proliferation of B-cells, potentially reducing CD22 expression.

Quercetin

117-39-5sc-206089
sc-206089A
sc-206089E
sc-206089C
sc-206089D
sc-206089B
100 mg
500 mg
100 g
250 g
1 kg
25 g
$11.00
$17.00
$108.00
$245.00
$918.00
$49.00
33
(2)

Quercetin might modulate signal transduction pathways, possibly influencing the expression of proteins like CD22.

Cyclosporin A

59865-13-3sc-3503
sc-3503-CW
sc-3503A
sc-3503B
sc-3503C
sc-3503D
100 mg
100 mg
500 mg
10 g
25 g
100 g
$62.00
$90.00
$299.00
$475.00
$1015.00
$2099.00
69
(5)

Cyclosporin A can inhibit calcineurin, which may result in altered transcription and decreased CD22 expression.

Rapamycin

53123-88-9sc-3504
sc-3504A
sc-3504B
1 mg
5 mg
25 mg
$62.00
$155.00
$320.00
233
(4)

Rapamycin inhibits mTOR, which is a pathway that could regulate the expression of proteins such as CD22.

Mycophenolate mofetil

128794-94-5sc-200971
sc-200971A
20 mg
100 mg
$36.00
$107.00
1
(1)

Mycophenolate mofetil impedes purine synthesis, potentially affecting B-cell function and CD22 expression.

hydroxychloroquine

118-42-3sc-507426
5 g
$56.00
1
(0)

Hydroxychloroquine can affect endosomal pH, which might influence signal transduction and CD22 expression.

Bortezomib

179324-69-7sc-217785
sc-217785A
2.5 mg
25 mg
$132.00
$1064.00
115
(2)

Bortezomib causes proteasome inhibition, which could lead to altered protein turnover and reduced CD22 surface expression.

Ibrutinib

936563-96-1sc-483194
10 mg
$153.00
5
(0)

Ibrutinib targets Bruton's tyrosine kinase, possibly impacting signaling pathways that control CD22 expression.