Recombinant Human Anti-Hepatitis C virus Antibody scFv Fragment (AP33) (CAT#: PABX-079-S (P))

Anti-Hepatitis C virus antibody is a Human of scFv class that binds to an Hepatitis C virus.


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Figure 1 Analysis of E1E2 of diverse HCV genotypes.

Figure 1 Analysis of E1E2 of diverse HCV genotypes.

Radiolabeled proteins in the lysate of HEK 293T cells cotransfected with different plasmids as described in A above were immunoprecipitated using a mixture of anti-E2 MAbs AP33 and ALP98. The immune complexes were analyzed by SDS-10% PAGE under reducing conditions. Positions of protein size markers are shown (in kDa).

Owsianka, A., Tarr, A. W., Juttla, V. S., Lavillette, D., Bartosch, B., Cosset, F. L., ... & Patel, A. H. (2005). Monoclonal antibody AP33 defines a broadly neutralizing epitope on the hepatitis C virus E2 envelope glycoprotein. Journal of virology, 79(17), 11095-11104.

Figure 2 Lysine residues upstream of the conserved epitope 412-423 are important for mAb AP33 binding.

Figure 2 Lysine residues upstream of the conserved epitope 412-423 are important for mAb AP33 binding.

The binding pattern of mAb 3/11 and AP33 was compared using wild type or mutated patientderived peptides spanning AA region 406-427. Serial dilutions of mAbs were incubated with surface-attached peptides (25 lg/mL), and bound antibodies were detected with a horseradish peroxidase–conjugated antispecies secondary antibody. Peptides were generated with K- or A-substitutions at positions 408 and/or 410 (H77c: K408A, N410K, N410A, and double mutants K408A-N410K and K408A-N410A; LT-P05_VF: T408A, T408K, K410A, and double mutants T408K-K410A and T408A-K410A; CC-P08_VA: A408K, K410A, and double mutant A408KK410A). The resulting peptide sequences are shown and changed AA marked. Dots indicate AA similarity.

Desombere, I., Fafi‐Kremer, S., Van Houtte, F., Pessaux, P., Farhoudi, A., Heydmann, L., ... & Baumert, T. F. (2016). Monoclonal anti‐envelope antibody AP33 protects humanized mice against a patient‐derived hepatitis C virus challenge. Hepatology, 63(4), 1120-1134.

Figure 3 mAb AP33 protects humanized mice against an HCV gt1b challenge.

Figure 3 mAb AP33 protects humanized mice against an HCV gt1b challenge.

Chimeric animals were challenged with 104 IU of HCV RNA of mLT_P05 without pretreatment (no IgG) or after passive immunization on day 23 with 1 mg of mAb 3/11 or AP33. Plasma HCV-RNA levels (IU/mL) were measured until 8 weeks after viral challenge. Mice that remained noninfected postinoculation are shown as HCV RNA <750 IU/mL (LOQ, dotted line). Animal B338RL died 4 weeks after viral challenge.

Desombere, I., Fafi‐Kremer, S., Van Houtte, F., Pessaux, P., Farhoudi, A., Heydmann, L., ... & Baumert, T. F. (2016). Monoclonal anti‐envelope antibody AP33 protects humanized mice against a patient‐derived hepatitis C virus challenge. Hepatology, 63(4), 1120-1134.


Specifications

  • Immunogen
  • The details of the immunogen for this antibody are not available.
  • Host Species
  • Human
  • Derivation
  • Human
  • Type
  • scFv
  • Specificity
  • Tested positive against native Influenza A virus Neuraminidase
  • Species Reactivity
  • Hepatitis C virus
  • Clone
  • AP33
  • Applications
  • WB 1:1000-1:5000
    ELISA 1:10000-1:20000
    FuncS (assay dependent)

Product Property

  • Purity
  • >95% by SDS-PAGE and HPLC analysis
  • Storage
  • Store the antibody (in aliquots) at -20°C. Avoid repeated freezing and thawing of samples.

Applications

  • Application Notes
  • Assay-depended

Target

  • Alternative Names
  • Hepatitis C virus; HCV; HVC; Flaviviridae

Product Notes

This is a product of Creative Biolabs' Hi-Affi™ recombinant antibody portfolio, which has several benefits including:

• Increased sensitivity
• Confirmed specificity
• High repeatability
• Excellent batch-to-batch consistency
• Sustainable supply
• Animal-free production

See more details about Hi-Affi™ recombinant antibody benefits.

Downloads

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Single-domain Antibody

CAT Product Name Application Type
NABG-079 Recombinant Anti-HCV VHH Single Domain Antibody ELISA, IHC, FC, FuncS Llama VHH

Mouse Antibody

CAT Product Name Application Type
PABX-071-S (P) Recombinant Human Anti-HCV Antibody scFv Fragment (HC33.4) WB, ELISA, Neut, FuncS scFv

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For Research Use Only. Not For Clinical Use.

For research use only. Not intended for any clinical use. No products from Creative Biolabs may be resold, modified for resale or used to manufacture commercial products without prior written approval from Creative Biolabs.

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