BP000157-C050: Recombinant Human Interleukin-4 (IL-4) Protein
Source: E. coli-derived.
The ED50 as determined by the dose-dependent stimulation of TF-1 cells is less than 2 ng/ml, corresponding to a Specific Activity of 5.0 x 106 IU/mg.
Purity: > 95% by SEC-HPLC and reducing SDS-PAGE.
Endotoxin: < 0.1 ng/ug (1 EU/ug).BP000157-CYT-211: Recombinant Human Interleukin-4 (IL-4) Protein
Source: E. coli-derived.
The ED50 as determined by the dose-dependant stimulation of TF-1 cells is < 0.2 ug/ml, corresponding to a Specific Activity of 5,000,000 IU/mg.
Purity: > 98% by SDS-PAGE and RP-HPLC.BP000157-CYT-271: Recombinant Human Interleukin-4 (IL-4) Protein, CHO
Source: Chinese Hamster Ovarian Cells-derived.
Measured in a cell proliferation assay using TF-1 cells. The ED50 for this effect is 0.05-0.2 ug/ml corresponding to a Specific Activity of 5-20 MIU/mg.
Purity: > 97% by SDS-PAGE and RP-HPLC.BP000157-CYT-282: Recombinant Mouse Interleukin-4 (IL-4) Protein
Source: E. coli-derived.
The ED50 as determined by the dose-dependant induction of HT-2 cell proliferation is less than 2 ug/ml corresponding to a Specific Activity of 500,000 IU/mg.
Purity: > 96% by SDS-PAGE and RP-HPLC.BP000157-CYT-385: Recombinant Rat Interleukin-4 (IL-4) Protein
Source: E. coli-derived.
Determined by its ability to suppress LPS-induced TNF-alpha and MIP-2 production in mouse splenocytes.
Purity: > 98% by SDS-PAGE and RP-HPLC.BP000157-CYT-483: Recombinant Human Interleukin-4 (IL-4) Protein, His Tag
Source: E. coli-derived.
The ED50 for this effect is <1.8 ug/ml. Measured in a cell proliferation assay using TF1 human erythroleukemic cells.
Purity: > 95% by SDS-PAGE.BP000157-CYT-097: Recombinant Human Interleukin-4 (IL-4) Protein, HEK
Source: HEK-derived.
The activity was determined by the dose dependent stimulation of the proliferation of human TF-1 cells (human erythroleukemic indicator cell line) and is typically 0.1-0.5 ug/ml.
Purity: > 95% as obsereved by SDS-PAGE.BP000157-CYT-172: Recombinant Rhesus Macaque Interleukin-4 (IL-4) Protein
Source: E. coli-derived.
The ED50 as determined by the dose-dependent stimulation of TF1 cells is less than 0.2 ng/ml, corresponding to a specific activity of >5.0×106 IU/mg.
Purity: > 97.0% as determined by RP-HPLC and by SDS-PAGE.BP000157-CYT-398: Recombinant Porcine Interleukin-4 (IL-4) Protein
Source: E. coli-derived.
The ED50 range= 1 to 4 ng/ml corresponding to a Specific Activity of 0.25-1 MIU/mg. The biological activity is determined by measuring the dose dependent proliferation of human TF-1 cells. A concentration range of 0.1 to 10.0 ng/ml is effective for most in vitro applications.
Purity: > 95% by SDS-PAGE and RP-HPLC.