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Human ifn λ lambda 11725 1

Manufactured by PBL Assay Science

Human IFN-λ (lambda) (11725-1) is a recombinant protein that represents the lambda subtype of human interferon-lambda. It is a cytokine that plays a role in innate immune responses. The core function of this product is to enable research on the biological activities and signaling pathways of human interferon-lambda.

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2 protocols using human ifn λ lambda 11725 1

1

SARS-CoV-2 Variant Interferon Sensitivity

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Recombinant human IFN-β (beta) (300-02BC) and human IFN-λ (lambda) (300-02 L) were obtained from PeproTech and were used to test IFN sensitivity of full-length, authentic SARS-CoV-2 variants (IFN was added 18 h prior to inoculation and removed prior to virus addition). Recombinant human IFN-β (beta) 1a (11415-1) and human IFN-λ (lambda) (11725-1) were obtained from PBL Assay Science and were used to test IFN sensitivity of VSV-based pseudoviruses (IFN was added 18 h prior to inoculation and removed prior to virus addition). The following inhibitors were reconstituted in DMSO: E64d (Sigma; E8640), camostat mesylate (Sigma; SML0057), incyclinide (MedChemExpress; HY-13648), apratastat (MedChemExpress; HY-119307), batimastat (SelleckChem: S7155), EG00229 (SelleckChem; E1119). Bafilomycin A1 (Sigma; SML1661) was received as a ready-made solution in DMSO, and amphotericin B (Sigma; A2942) was received as a ready-made solution in deionized water.
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2

Antiviral Interferon and Inhibitor Screening

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Recombinant human IFN-β (beta) (300-02BC) and human IFN-λ (lambda) (300-02L) were obtained from PeproTech and were used to test IFN sensitivity of full-length, authentic SARS-CoV-2 variants (IFN was added 18 hours prior to inoculation and removed prior to virus addition). Recombinant human IFN-β (beta) 1a (11415-1) and human IFN-λ (lambda) (11725-1) were obtained from PBL Assay Science and were used to test IFN sensitivity of VSV-based pseudoviruses (IFN was added 18 hours prior to inoculation and removed prior to virus addition). The following inhibitors were reconstituted in DMSO: E64d (Sigma; E8640), camostat mesylate (Sigma; SML0057), incyclinide (MedChemExpress; HY-13648), apratastat (MedChemExpress; HY-119307), batimastat (SelleckChem: S7155), EG00229 (SelleckChem; E1119). Bafilomycin A1 (Sigma; SML1661) was received as a ready-made solution in DMSO and amphotericin B (Sigma; A2942) was received as a ready-made solution in deionized water.
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