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Our customer service representatives are available 24 hours, Monday through Friday to assist you.| Introduction | IFN-alpha is produced by macrophages and has antiviral activities. Interferon stimulates the production of two enzymes: protein kinase and an oligoadenylate synthetase. |
| Synonyms | Leukocyte interferon, B cell interferon, Type I interferon, IFNA2, IFN-a 2a. |
| Source | Escherichia Coli. |
| Physical Appearance | Sterile Filtered White lyophilized (freeze-dried) powder. |
| Formulation | Lyophilized without additives. |
| Solubility | It is recommended to reconstitute the lyophilized Interferon-alpha 2a in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions. |
| Stability | Lyophilized Interferon alpha 2a althoµgh stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution IFN-alpha 2a should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles. |
| Amino Acid Sequence | The sequence of the first five N-terminal amino acids was determined and was found to be Cys-Asp-Leu-Pro-Gln, conforming to the sequence of native human IFN-a.N-terminal methionine has been completely removed enzymatically. |
| Purity | Greater than 98.0% as determined by both:(a) Analysis by RP-HPLC.(b) Analysis by SDS-PAGE. |
| Biological Activity | The specific activity as determined in a viral resistance assay using bovine kidney MDBK cells was found to be 270,000,000 IU/mg. |
| Usage | NeoBiolab's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drµgs, agricultural or pesticidal products, food additives or household chemicals. |
| References | Title:Gender specificity of altered human immune cytokine profiles in aging.Publication:Published online before print May 7, 2010, doi: 10.1096/fj.10-160911 September 2010 The FASEB Journal vol. 24 no. 9 3580-3589 Link:http://www.fasebj.org/content/24/9/3580.full |
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