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Key Documents

407318

Sigma-Aldrich

β-Interferon, Human, Recombinant, CHO Cells

Synonym(e):

Interferon α-2 precursor, IFN-β-1a, rHuIFN-β-1a

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About This Item

UNSPSC-Code:
12352202

Assay

≥98% (SDS-PAGE)

Qualitätsniveau

Form

lyophilized

Hersteller/Markenname

Calbiochem®

Lagerbedingungen

OK to freeze
desiccated

Versandbedingung

wet ice

Lagertemp.

−20°C

Allgemeine Beschreibung

Recombinant, human interferon-β (IFN-β) expressed in CHO cells as a single glycosylated polypeptide containing 166 amino acids. Purified by chromatographic methods. IFN-β is a type I cytokine produced in response to exposure to viruses or double-stranded RNAs. It is also induced by other cytokines, such as TNF and IL-1. It is involved in the regulation of non-specific humoral immune responses and immune responses to viral infections, and thus exhibits anti-viral, anti-proliferative, and immunomodulating properties. The biological activity of IFN-β, unlike IFN-α, is strictly species-specific and will not be active across species.
Recombinant, human interferon-β (IFN-β) expressed in CHO cells as a single glycosylated polypeptide containing 166 amino acids. Purified by chromatographic methods. IFN-β is a type I cytokine produced in response to exposure to viruses or double-stranded RNAs. It is also induced by other cytokines, such as TNF and IL-1. It is involved in the regulation of non-specific humoral immune responses and immune responses to viral infections, and thus exhibits anti-viral, anti-proliferative, and immunomodulating properties. The biological activity of IFN-β, unlike IFN-α, is strictly species-specific and will not be active across species.

Biochem./physiol. Wirkung

Reported as IU/mg on a lot-specific basis using a viral resistance assay

Warnhinweis

Toxicity: Standard Handling (A)

Physikalische Form

Lyophilized from 62 mg/ml mannitol, 9.1 mg/ml human albumin, 0.9 mg/ml acetate, pH 7.0-7.2.

Rekonstituierung

Following reconstitution, refrigerate (4°C) for short-term storage or aliquot and freeze (-20°C) for long-term storage. Stock solutions are stable for up to 7 days at 4°C or for up to 4 months at -20°C. Avoid freeze/thaw cycles of solutions.
Reconstitute with sterile water to ≥100 µg/ml, containing 0.1% HSA or BSA. Further dilute with aqueous buffer just prior to use.

Sonstige Hinweise

Goebel, M.U., et al. 2005. Physiol. Behav.84, 807.
Graber, J., et al. 2005. J. Neuroimmunol.161,169.
Mallada-Frechin, J., et al. 2005. Rev. Neurol.40, 482.
Patten, S.B., et al. 2005. Mult. Scler.11, 175.
Pohl, D., et al. 2005. Neurology64, 888.
Schwid, S.R., et al. 2005. Arch. Neurol.62, 785.

Rechtliche Hinweise

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 3


Analysenzertifikate (COA)

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