SRP4595
IFN-alpha 2b human
recombinant, expressed in E. coli, ≥98% (SDS-PAGE), ≥98% (HPLC)
Synonym(s):
IFNA, INFA2, Interferon α 2b
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About This Item
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biological source
human
recombinant
expressed in E. coli
Assay
≥98% (HPLC)
≥98% (SDS-PAGE)
form
lyophilized
potency
>2.0x10^7 units/mg
mol wt
~19.3 kDa
packaging
pkg of 100 μg
storage condition
avoid repeated freeze/thaw cycles
impurities
endotoxin, tested
NCBI accession no.
UniProt accession no.
shipped in
wet ice
storage temp.
−20°C
Gene Information
human ... IFNA2b(3440)
General description
The gene IFN-α2b (interferon α 2b) is mapped to human chromosome 9. The encoded protein is a type 1 interferon and a glycoprotein. It belongs to the class of cytokines. Human IFN-α2b is a 19.3kDa protein containing 165 amino acid residues. Structurally, IFN-α2b is O-glycosylated at the threonine residue at position 106.
Application
IFN-α2b human has been used:
- as an immunotherapeutic agent to test its antiproliferative and proapoptotic effects in RCC cell lines
- to stimulate peripheral blood mononuclear cell (PBMC) prior to RNA isolation
- to stimulate H4 cells before immunoprecipitation
- to study role of USP18 (ubiquitin specific peptidase 18)-mediation deISGylation in controlling cellular autophagy upon treatment with type I interferons
Biochem/physiol Actions
IFN-α2b (interferon α 2b) is a lymphoid factor that possesses potent anti-viral activity. It mainly interacts with cell surface-specific receptors. This interaction is responsible for anti-pathogenic response in cells. IFN-α2b also exhibits anti-tumor activities. Humans with brain tumor were shown to have mutations in this gene. IFN-α2b induces the secretion of cytokine IFN-γ in T cells. The hydrogels embedded with IFN-α2b exploits this functionality in gastric cancer cells. Recombinant IFN-α types are effective against Middle East Respiratory Syndrome Coronavirus (MERS-CoV) in in vitro studies.
Physical form
Lyophilized from 5 mM sodium phosphate, pH 7.4.
Reconstitution
Reconstitute in water to a concentration of 1 mg/mL. This solution can then be diluted into other aqueous buffers. Centrifuge the vial prior to opening. Avoid freeze-thaw cycles.
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Regulatory Information
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BioMed research international, 2020, 9525207-9525207 (2020-07-07)
Renal cell carcinoma (RCC) is the most aggressive type of genitourinary cancer and is resistant to current therapies. Identifying drugs that enhance the efficacy of RCC standard-of-care drugs at sublethal concentrations is an alternative therapeutic strategy. Ribociclib is an orally
Pharmaceutics, 11(1) (2019-01-24)
The application of permeation enhancers (PEs) to improve transport of poorly absorbed active pharmaceutical ingredients across the intestinal epithelium is a widely tested approach. Several hundred compounds have been shown to alter the epithelial barrier, and although the research emphasis
Scientifica, 2014, 970315-970315 (2014-04-18)
Human interferon alpha (hIFNα) is a wide biological activity cytokine that is used in hepatitis and cancer treatments. It regulates many genes that are involved in antiviral and antiproliferative activities. This mini review focuses on human interferon alpha-2b (hIFNα-2b) as
Inhibition of the CDK4/6-Cyclin D-Rb Pathway by Ribociclib Augments Chemotherapy and Immunotherapy in Renal Cell Carcinoma
BioMed Research International, 2020 (2020)
International journal of nanomedicine, 15, 3669-3680 (2020-06-18)
The exhaustion and poor homing of activated lymphocytes are critical obstacles in adoptive cell immunotherapy for solid tumors. In order to effectively deliver immune cells into tumors, we encapsulated interferon-α2b (IFN-α2b) into macroporous hydrogels as an enhancement factor and utilized
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