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  1. CD33 | ALZFORUM

    CD33 is a transmembrane receptor of the innate immune system that is expressed on the surface of peripheral monocytes and microglial cells in the brain. CD33 was first implicated in Alzheimer’s …

  2. Risk Gene Conspiracy: Clusterin Binds CD33, Souring ... - ALZFORUM

    Apr 19, 2023 · CD33 was identified as an AD risk gene 15 years ago (Oct 2008 news). Also known as Siglec-3, the transmembrane protein binds sialic acid and regulates innate immunity through its …

  3. CD33 Alzheimer's Risk-Altering Polymorphism, CD33 Expression, and …

    Aug 22, 2013 · Role of CD33 in Alzheimer's Rare variants in the CD33 gene that protect against Alzheimer's disease (right panel) lead to reduced CD33 expression or alter the binding of CD33 to …

  4. Antibodies Against Microglial Receptors TREM2 and CD33 Head

    May 10, 2019 · The microglial receptor CD33 opposes the effects of TREM2 signaling, and may make a more amenable target because it would be inhibited rather than activated (see Part 5 of this series).

  5. Common variants at ABCA7, MS4A6A/MS4A4E, EPHA1, CD33 and

    Apr 5, 2011 · Common variants at MS4A4/MS4A6E, CD2AP, CD33 and EPHA1 are associated with late-onset Alzheimer's disease. Nat Genet. 2011 May;43 (5):436-41. Epub 2011 Apr 3 PubMed.

  6. CD33 (clone 2C11) - ALZFORUM

    Dec 15, 2022 · Monoclonal antibody 2C11 reacts with human CD33. In initial testing—on lysates of HEK293 cells that overexpressed myc-tagged human CD33 isoforms—it detected all three isoforms …

  7. AL003 - ALZFORUM

    Jun 30, 2022 · Background AL003 is a monoclonal antibody that was being co-developed by Alector and Abbvie. According to Alector, it counteracts the function of sialic acid binding immunoglobulin-like …

  8. Rubbing Microglia the Right Way? At ADPD, Scientists Show New ...

    Other CD33 antibodies, including gemtuzumab, approved to treat acute myeloid leukemia, did not engage the ligand-binding site. Rather, several triggered internalization of CD33 by myeloid cells, …

  9. CD33 modulates TREM2: convergence of Alzheimer loci. | ALZFORUM

    Oct 8, 2015 · CD33 is a sialic acid-binding protein that we recently found to be expressed by microglial cells in the human aging brain (Griciuc et al., 2013). We had previously reported in vivo and in vitro …

  10. Could CD33 Be the Microglial Target for Stimulating Phagocytosis?

    Apr 23, 2019 · Suppressing CD33 stimulates phagocytosis, slows plaque growth. A protective CD33 mutation could be a gain of function that activates phagocytosis. The CD33 receptor acts as a dimer. …