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  6. IFN-alpha 2/IFNA2 Protein, Rhesus Macaque (HEK293, Fc)

IFN-alpha 2/IFNA2 Protein, Rhesus Macaque (HEK293, Fc)

Cat. No.: HY-P75891
Data Sheet Handling Instructions Technical Support

IFN-alpha 2 (IFNA2), belongs to type I interferon family, is a protein secreted by cells infected by a virus and acting on other cells to inhibit viral infection. IFN-alpha 2 exerts cytotoxic activity against CD8+ T cells and induces CD4+ T cell depletion. IFN-alpha 2/IFNA2 Protein, Rhesus Macaque (HEK293, Fc) is produced in HEK293 cells with a C-terminal mFc-tag.

For research use only. We do not sell to patients.

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Description

IFN-alpha 2 (IFNA2), belongs to type I interferon family, is a protein secreted by cells infected by a virus and acting on other cells to inhibit viral infection[1]. IFN-alpha 2 exerts cytotoxic activity against CD8+ T cells and induces CD4+ T cell depletion[3]. IFN-alpha 2/IFNA2 Protein, Rhesus Macaque (HEK293, Fc) is produced in HEK293 cells with a C-terminal mFc-tag.

Background

IFN-alpha 2 (IFNA2; IFN-α2), belongs to the type I interferon family, produced by the plasmacytoid dendritic cells (pDCs) exposure to HIV-1BaL in order to inhibit viral infection[1].
Interferon (IFN) is originally identified as a substance ‘interfering’ with viral replication in vitro. IFN-α/β and related molecules are classified as type I IFNs, as for the other two types of type II IFN (IFN-γ) and type III IFNs (IFN-λ), respectively[2].
IFN-alpha 2 subtype is the only one that is currently licensed to treat infections caused by hepatitis B virus (HBV) and HCV[3].
IFN-alpha 2 shows a Sortilin-dependent trafficking in cells and increases the expression level of interferon-stimulated genes (ISGs) in HIV-infected cells[1][4]. It also exhibits cytotoxic activity against CD8+ T cells and enhances CD4+ T cell depletion[3].
Among the IFN-alpha 2 alleles, IFN-alpha 2b is being the predominant allele while IFNα-2a is less predominant and IFNα-2c only a minor allelic variant[5].
IFN-alpha 2 has a bored application in research of cancer, including some hematological malignancies and solid tumors[6].

In Vivo

IFN-alpha 2 increases expression level during acute SIV infection with protective as well as worsening effects, when the thymus becomes dysfunctional and contributes to pathology in the thymus of rhesus macaques after infection[3].

Species

Rhesus Macaque

Source

HEK293

Tag

C-mFc

Accession

B6CK11/NP_001129266.1 (C24-E188)

Gene ID
Molecular Construction
N-term
IFNA2 (C24-E188)
Accession # B6CK11/NP_001129266.1
mFc
C-term
Synonyms
Interferon alpha-2; IFN-alpha-2; Interferon alpha-A; LeIF A; IFNA2A
Molecular Weight

Approximately 45.9 kDa

Purity

Greater than 95% as determined by reducing SDS-PAGE

Endotoxin Level

<1 EU/μg, determined by LAL method.

Documentation
References

IFN-alpha 2/IFNA2 Protein, Rhesus Macaque (HEK293, Fc) Related Classifications

Help & FAQs
  • How should lyophilized recombinant proteins be reconstituted and stored?

    1. Before opening the cap, centrifuge the vial at 13000 rpm for 20-30 seconds. This step will ensure that any lyophilized powder that may have adhered to the cap or walls is collected at the bottom of the vial, minimizing the risk of product loss. 2. Taking 10 μg as an example, first add 20 μL of reconstituted solution provided by MCE and use a pipette to gently resuspend the lyophilized protein until it is fully dissolved.. (For most proteins, the reconstitution solution we provide is sterile water. If a diluent other than water is required, it will be indicated in the product's Certificate of Analysis (COA).). 3. Add an additional 80 μL of buffer/culture medium containing carrier protein (either 0.1% BSA, 5% HSA, 10% FBS, or 5% trehalose), and then use a pipette to gently mix until uniform. The final concentration is should not be lower than 100 μg/mL. 4. Aliquot at least 20 μL per tube. 5. After aliquoting, store it frozen at a temperature ranging from -20ºC to -80ºC, and it can be preserved for 3 to 6 months.

  • How should solution-form recombinant proteins be stored?

    1. The product can be stored in its original form and diluted as needed upon use. 2. Alternatively, dilute with a buffer/culture medium containing a carrier protein (either 0.1% BSA, 5% HSA, 10% FBS, or 5% alginate), mix well by pipetting, and ensure that

  • Why is it necessary to add carrier proteins?

    Carrier proteins are commonly added to enhance the stability of recombinant proteins, preventing them from adhering to the walls of the container during freezing or thawing processes. Plastic tubes have a certain adsorptive capacity for proteins, which may lead to difficulty in separating the protein from the tube walls, resulting in a decrease in the actual concentration of the protein in the solution and thus affecting its activity. To minimize such losses, it is recommended to add a commonly used carrier protein solution prior to the long-term storage of recombinant protein products.

  • Carrier protein types and options?

    In cases where the carrier protein is not expected to influence the experimental outcomes, an appropriate carrier protein, such as 0.1% BSA (Bovine Serum Albumin), 5% HSA (Human Serum Albumin), 10% FBS (Fetal Bovine Serum), or 5% trehalose, can be incorpo

  • Reconstitution Calculator

  • Dilution Calculator

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The reconstitution calculator equation

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
= ÷

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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Product Name:
IFN-alpha 2/IFNA2 Protein, Rhesus Macaque (HEK293, Fc)
Cat. No.:
HY-P75891
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