Recombinant Human IL-15

Cat No. Size Price Add Cart
HCT-I15-0010 10ug $ 185.00 Add Cart
HCT-I15-0100 100ug $ 1125.00 Add Cart
HCT-I15-1000 1000ug $ 5300.00 Add Cart

Product Specifications

Source: Human cells derived
Structure: Glycosylated monomer
Purity: >95% by SDS-PAGE
Endotoxin Level: <0.5EU/ug
Molecular Weight: 14-15 kDa kDa
Formulation: Lyophilized from a 0.2μm filtered solution in PBS without carrier protein

Activity Assay

The activity was measured by its ability to stimulate   the proliferation of CTLL-2 cells cells.


Briefly centrifuge the vial before opening. It is recommended to reconstitute the protein in sterile PBS containing 0.1% endotoxin-free recombinant human serum albumin.

Stability & Storage

Use a manual defrost freezer and avoid repeated freeze-thaw cycles. In general: 12 months from date of receipt, -20 to -80°C as supplied. 1 month, 2  to 8°C under sterile conditions after reconstitution. 3 months, -20 to -80°C under sterile conditions after reconstitution.

Protein Description

Interleukin-15 (IL-15) is a T-cells growth factor, together with G-CSF, GM-CSF, IL-2,  IL-4, IL-7,and IL-9, IL-15 belongs to he four α-helix bundle family of cytokine. IL-15 stimulates cell proliferation and activition of natural killer (NK) cells and T cells. CD8+ memory T cell number is controlled by a balance between IL-15 and IL-2. It plays an important role in both innate and adaptive immunity system.


Steel JC, et al Trends Pharmacol. Sci. 33 (1): 35-41.
Di Sabatino A, ea al (February 2011). Cytokine Growth Factor Rev. 22 (1): 19–33.