CD47-SIRPalpha Blockade enhances Neutrophil Trogocytosis of tumor

Neutrophils enact lysis of antibody opsonized target tumor cells by utilizing the CD11b – CD18 interaction to form a cytotoxic synapse which leads to trogocytosis.  This process can be effectively blocked by blockade with either anti-CD11b or anti-CD18 mAbs, but is enhanced when SIRPa – CD47 blockade is employed. “Neutrophils Kill Antibody Opsonized Cancer Cells

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Blocking CD40-CD154 interaction with an antagonistic anti-CD40 mAb alleviates SLE symptoms in mice.

“Treatment with a CD40 Antagonist Antibody Reverses Severe Proteinuria and Loss of Saliva Production and Restores Glomerular Morphology in Murine Systemic Lupus Erythematosus” Stuart J, Stephen H Clarke, et al.  July 1, 2019 Journal of Immunology 203(1): 58-75.  Doi: htpps://doi.org.10.4049/jimmunol.1900043.   Relevant Ancell Products anti-human CD40 mAb Recombinant human CD40-muIg Recombinant human CD154-muCD8

Blocking CD40-CD154 interaction with an antagonistic anti-CD40 mAb alleviates SLE symptoms in mice. Read More »

CD47 intervention appears promising for treatment of advanced lymphoma in human studies!

Anti-CD47 H5F9-G4 antibody blocks CD47 – SIRPa interaction and has been shown to restore anti-cancer immunity in mouse models.  In recent human studies, initial drug dose showed promising effect and was well tolerated in combination with Rituximab(anti-CD20) with side effects of anemia, headache and fatigue.   Relevant Ancell Products New anti-human CD47 mAb

CD47 intervention appears promising for treatment of advanced lymphoma in human studies! Read More »

T cell receptor Beta Constant region used to distinguish malignant from normal T cells

The authors prove the concept that an anti-TCR Cb1 CAR cell based on the epitope of Jovi-1 anti-TCR Cb1 mAb can kill malignant T cell leukemic cells without destroying TCR Cb2 cells.  ”Targeting the T cell receptor β-chain constant region for immunotherapy of T cell malignancies.” Paul M Maciocia, Martin A Pule, et al. (2017)

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