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Anti-CD30-scFv-Fc-IL-2 Antibody-Cytokine Fusion Protein That Induces Resting NK Cells to Highly Efficient Cytolysis of Hodgkin's Lymphoma Derived Tumour Cells

Anti-CD30-scFv-Fc-IL-2 Antibody-Cytokine Fusion Protein That Induces Resting NK Cells to Highly Efficient Cytolysis of Hodgkin's Lymphoma Derived Tumour Cells

Claudia Heuser, Stefan Guhlke, Alexander Matthies, Hans Bender, Stefan Barth, Volker Diehl, Hinrich Abken, Andreas Hombach

Int J Cancer. 2004 Jun 20;110(3):386-94.

PMID: 15095304

Abstract:

The pathogenesis of Hodgkin's disease (HD) is associated with the accumulation of functionally anergic T cells in the near vicinity of the malignant Hodgkin/Reed-Sternberg (H/RS) cell. To stimulate locally the anti-tumour immunity in Hodgkin's disease, we generated an anti-CD30-antibody-interleukin-2 fusion protein (HRS3-scFv-Fc-IL-2) that binds to CD30 constitutively expressed on H/RS cells. The fusion protein is composed of a CD30 binding domain (HRS3-scFv) that is linked via the human IgG hinge-CH2/CH3 domain to human IL-2. The HRS3-scFv-Fc-IL-2 fusion protein is expressed as a 140 kDa homodimer, has binding specificities to both the CD30 antigen and the IL-2 receptor and stimulates proliferation of preactivated T cells in vitro, demonstrating its IL-2 bioactivity. After binding to CD30+ Hodgkin lymphoma cells, HRS3-scFv-Fc-IL-2 moreover induces resting NK cells, but not T cells, to lyse the lymphoma cells with high efficiency. Recruitment of resting NK cells towards a cytolytic immune response against CD30+ lymphoma cells has the potential to build up an effective anti-tumour response despite of Hodgkin's disease associated T-cell anergy and makes the HRS3-scFv-Fc-IL-2 fusion protein suitable for the specific immunotherapy of Hodgkin's lymphoma.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
IAR42413378	IL-2 (human): FC (human)			Price

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