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Stem Cell Factor (SCF), human
| Full Name |
Stem Cell Factor (SCF), Human
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Abbreviated Name-1 |
rHuSCF; SCF |
| Documents |
|---|
 Document-MSDS: 15074_20111227042407.PDF (PDF) |
| Document-COA: 15496_20120206013131.PDF (PDF) |
| Figures |
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| Reference |
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Lili W, et al. Expression, Renaturation and Simultaneous Purification of Recombinant Human Stem Cell Factor in Escherichia coli. Biotechnol. Lett. Jul 2006; 28(13): 993-997.
Baccarani U, et al. Implication of stem cell factor in human liver regeneration after transplantation and resection. Growth Factors. Jun 2006; 24(2): 107-110.
Da Silva CA, et al. Effect of glucocorticoids on stem cell factor expression in human asthmatic bronchi. Clin. Exp. Allergy. Mar 2006; 36(3): 317-324.
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Description |
Human Stem Cell Factor (SCF), produced in E. coli is a single, non-glycosylated polypeptide chain containing 165 amino acids and having a molecular mass of 18,409 Da. Stem Cell Factor (SCF) is a hematopoietic growth factor that exerts its activity during the early stages of hematopoiesis. Stem Cell Factor (SCF) stimulates the proliferation of myeloid, erythroid, and lymphoid progenitors in bone marrow cultures and has been shown to act synergistically with colony stimulating factors. |
Source |
E. coli |
M.W. |
18,409 Da |
Purity |
Greater than 95.0% as determined by the following methods:
(a) Analysis by SEC-HPLC
(b) Analysis by reducing and non-reducing SDS-PAGE Silver Stained gel |
Endotoxin Level |
Less than 0.1 ng/µg (IEU/µg) of rHuSCF |
Specific Activity |
The ED50, as determined by the dose-dependant stimulation of human TF-1 cells, is < 2 ng/ml, corresponding to a specific activity of 5×105 IU/mg. |
Storage |
Lyophilized Recombinant Human Stem Cell Factor (SCF) remains stable at room temperature for three weeks, but it is best stored desiccated below -18°C. Upon reconstitution Recombinant Human Stem Cell Factor (SCF) should be stored at 4°C for up to seven days. For long term storage it is recommended that a carrier protein (0.1% HSA or BSA ) be added. Avoid repeated freeze-thaw cycles. |
Formulation |
The protein was lyophilized after extensive dialysis against 20mM HAc-NaAc, pH4.5, 200mM NaCl buffer. |
Reconstitution |
It is recommended that the lyophilized rHuSCF be reconstituted in sterile 18 MΩ-cm H2O not less than 100 µg/ml, which can then be further diluted to other aqueous solutions. |
Sequence analysis |
The sequence of the first five N-terminal amino acids has been found to be Met-Glu-Gly-Ile-Cys.
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Note |
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