Human IL-7

Human IL-7

IL-7 stands for interleukin 7. Human IL-7 is a recombinant protein optimized for use in cell culture, differentiation studies, and functional assays.


Human IL-7 can be used for a variety of applications, including:
  • In vitro T cell expansion.
  • In vitro T cell priming.
  • In vitro differentiation of T cells and iNKT cells.
  • Investigation of IL-7 mediated signaling pathways.

Background information

IL-7 is a member of the type I cytokine family. The primary sources of IL-7 are non-hematopoietic stromal cells in bone marrow, thymus, and lymphoid organs and tissues. It is a pleiotropic cytokine with central roles in modulating T cell development and peripheral T cell homeostasis. IL-7 can act both as a T cell growth factor as well as a critical anti-apoptotic survival factor for naive and memory T cells. IL-7 is related to IL-2 and signals through a heterodimeric receptor composed of the common cytokine signaling γ-chain and IL-7 receptor α-chain.

Quality description

cytokines are suitable for a wide variety of cell culture applications. They are sterile-filtered prior to lyophilization. Generally, endotoxin levels are <0.1 ng/μg (<1 EU/μg), and purities are >95%. The biological activity is tested in appropriate bioassays.
cytokines offer the convenience of high and well-defined biological activities and allow exact unit dosing for demanding applications. The biological activity is determined after lyophilization and reconstitution, and normalized to WHO/NIBSC standards whenever available. In general, endotoxin levels are <0.01 ng/μg (<0.1 EU/μg), and purities are >97%. Lot-specific certificates of analysis are available on request (

Biological activity

  • Proliferation of 2E8 cells (NIBSC 90/530)
  • premium grade: ≥ 5×
    (typical activity: ≥ 1.5×
  • research grade: ≥ 2×
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Product information

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