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Our Thrombopoietin (TPO) has a molecular weight of approximately 19 kDa, and its molecular sequence has a homology of over 98% with the wild - type. It uses the prokaryotic expression system, contains no animal - derived components, and adopts a non - tagged purification method, which significantly reduces the risk of introducing exogenous metal ions. Its purity is > 95%, and the endotoxin level is < 0.1 EU/μg. While ensuring safety, it greatly improves the specificity of the product and fully meets the needs of customers.
Electrophoresis (SDS-PAGE)

Detected by SDS-PAGE, the results showed that the molecular weight of the protein was approximately 19 kDa and no impurity proteins were observed, which was similar to the natural protein.
Bioactivity Assay

Through the proliferation dose-dependent stimulation experimenton human MO7e cells, the results showed that the corresponding specific activity is ≥1x106 units/mg.
Prokaryotic expression system no animal-derived components
High activity, specific activity ≥1×106 units/mg
Non-tag purification, low risk of introducing exogenous metal ions
(1) Research related to hematopoietic stem cell culture: Engaged in research on diseases related to hematopoietic stem cells, such as thalassemia, acute myeloid leukemia, aplastic anemia, etc.
(2) Research on the induced directed differentiation of iPSCs: Engage in research related to the directed differentiation of induced pluripotent stem cells (iPSCs) into platelets, T cells, and NK cells.
| Product | Grade | Cat. No. | Specification |
| TPO | RUO | CS-TPO-10L-2 | 10 μg |
| CS-TPO-50L-2 | 50 μg | ||
| FLt3L | RUO | CS-FLT3L-10-2 | 10 μg |
| CS-FLT3L-20L | 20 μg | ||
| CS-FLT3L-50L | 50 μg | ||
| GM-CSF | RUO | CS-CSF2-10L | 10 μg |
| CS-CSF2-20L | 20 μg | ||
| CS-CSF2-50-2 | 50 μg | ||
| SCF | RUO | CS-SCF-10-2 | 10 μg |
| CS-SCF-20L | 20 μg | ||
| CS-SCF-50L | 50 μg |
For more information about CellStore Biotechnology or our products, feel free to contact us.
- Partnering with us?
- Want to become our distributor?
- Some feedback that you have?