Expression host: CHO cells
Purity: >95%. Sds-page gel and HIGH performance liquid chromatography were used
Endotoxin: <0.01 EU/μg
Storage and stability: stored at 2~8℃, valid for 24 months. In case of separate packaging, store in -20℃ storage period of 6 months, -80℃ storage period of 12 months, avoid repeated freeze-thaw.
Biological activity: PD-1 is mainly expressed in activated T cells and B cells, and its function is to inhibit cell activation, which is a normal self-stabilizing mechanism of the immune system. Because excessive T/B cell activation can cause autoimmune diseases, PD-1 is a talisman of our body. However, the tumor microenvironment will induce the infiltrating T cells to overexpress the PD-1 molecule, and the tumor cells will also overexpress the PD-L1 and PD-L2 ligands of PD-1, resulting in the continuous activation of the PD-1 pathway in the tumor microenvironment, resulting in the inhibition of THE FUNCTION of T cells. Antibodies against PD-1 that fail to kill tumor cells can block this pathway, thereby partially restoring the function of T cells and enabling T cells to continue to kill tumor cells. Therefore, anti-HUMAN PD-1 monoclonal antibody was used to "block" the amplified T cells in vitro, thus significantly improving the killing effect of immune cells on the tumor in patients.
|Body Surface Area (m2)||0.007||0.025||0.15||0.05||0.02||0.5|
|Animal A (mg/kg) = Animal B (mg/kg) multiplied by||Animal B Km|
|Animal A Km|
For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.
|Purity||>95% , Endotoxin <0.01 EU/μg|
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Recombinant Human Dickkopf-related protein 1 is produced by our Mammalian expression system and the target gene encoding Thr32-His266 is expressed with a 8His tag at the N-terminus.
|FGF-basic, Rat（E. coli）
FGF-basic, Rat（E. coli） Expressed with an n-terminal Gly. FGF-basic (Pro10-Ser154) Accession # P13109. Bioactivity: ED50 < 0.25 ng/ mL, measured by 3T3 cell proliferation method, corresponding to > 4.0 × 106 units /mg.
|TNF-α, Human (E. coli)
TNF-α, Human (E. coli) Protein structure: TNF-α (VAL77-LEU233) Accession # P01375. Bioactivity: ED50 < 30.0 pg/ mL, measured in cytotoxicity assay of L-929 mouse fibrosarcoma cells in the presence of metabolic inhibitor actinomycin D, corresponding specific activity > 3.3 × 107 units /mg.
|BMP-2, Human（E. coli）
BMP-2, Human（E. coli） Protein structure: BMP-2 (GLN283-ARG396) Accession # P12643. Biological activity: Experiment 1: To determine its ability to induce alkaline phosphatase production in ATDC-5 cells. The ED50 for this effect is generally 0.07-0.2µg/ mL. Experiment 2: The ability of inducing ALKALINE phosphatase production in C2C12 cells was determined. The ED50 for this effect is usually 0.2-1µg/ mL.
|SCF, Human (P. pastoris)
SCF, Human (P. pastoris) The protein was Expressed with an n-terminal Met. SCF (Glu26-Ala189) Accession # P21583-1. Biological activity: ED50 was < 2.0 ng/ mL by dose-dependent tF-1 cell stimulation, corresponding specific activity was 5 × 105IU /mg.
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