Anti-HCV ADCC Enhanced Antibody (MBL-HCV1) is an ADCC enhanced antibody produced by our Afuco™ platform. This is a human monoclonal antibody targeting the HCV E2 glycoprotein (MBL-HCV1) delays HCV viral rebound following liver transplantation. As with other HCV monotherapies, antibody-treated subjects had resistance-associated variants at the time of viral rebound. A combination study of MBL-HCV1 with a direct-acting antiviral is underway.
Figure 1 Changes in viral loads and epitope sequence distributions upon MBL-HCV1 antibody administration.
A–F: Epitope distributions for subjects A, B, C, D, E and F respectively. X axis represents time point in days, 0 denoting pre-transplant baseline sample. Note the depletion of wild-type sequence in all patients and the emergence of resistant epitope sequences (see proportions in left Y axis), in conjunction with viral rebound (right Y axis). Positions 415 and 417 are highlighted in blue in the legend. G: Summary of antibody-resistant mutations in epitope sequences, assuming maximum parsimony. Glycosylation motifs are highlighted in orange.
Chung, R. T., Gordon, F. D., Curry, M. P., Schiano, T. D., Emre, S., Corey, K., ... & Florman, S. (2013). Human monoclonal antibody MBL-HCV1 delays HCV viral rebound following liver transplantation: a randomized controlled study.American Journal of Transplantation, 13(4), 1047-1054.
Figure 2 Positions in E1/E2 sequence that show the most significant changes in response to antibody treatment.
Left: Median-shifted chi-square statistic values of the top 15 amino acid positions across E1 and E2 that show the most difference in average chi-square statistic between MBL-HCV1- and placebo-treated subjects. Placebo subject J was unable to be analyzed due to post-rebound viral titers <10,000 IU/ml. The chi-square statistic quantifies changes in amino acid distributions between day 0 and day of rebound for each subject in each position across the genome. A higher statistic represents a larger change in the amino acid distribution (darker red in heatmap). Positions labeled in green are those within the MBL-HCV1 epitope. Positions labeled in blue are known to participate in CD81 binding. Positions in pink belong to the E1 sequence. Right: Differences in mean chi-square statistic between MBL-HCV1-treated and placebo patients. Note that change in position 415 is most significant being 10-fold higher than the second-ranked position 417.
Chung, R. T., Gordon, F. D., Curry, M. P., Schiano, T. D., Emre, S., Corey, K., ... & Florman, S. (2013). Human monoclonal antibody MBL-HCV1 delays HCV viral rebound following liver transplantation: a randomized controlled study.American Journal of Transplantation, 13(4), 1047-1054.
Figure 3 Median change in HCV RNA from baseline during the 56 day study period.
Chung, R. T., Gordon, F. D., Curry, M. P., Schiano, T. D., Emre, S., Corey, K., ... & Florman, S. (2013). Human monoclonal antibody MBL-HCV1 delays HCV viral rebound following liver transplantation: a randomized controlled study.American Journal of Transplantation, 13(4), 1047-1054.
Figure 4 Mean antibody concentrations to MBL-HCV1 epitope measured during the first week post LT (A) and during the 56 day study period (B) in antibody-treated subjects. Error bars represent standard deviation.
Chung, R. T., Gordon, F. D., Curry, M. P., Schiano, T. D., Emre, S., Corey, K., ... & Florman, S. (2013). Human monoclonal antibody MBL-HCV1 delays HCV viral rebound following liver transplantation: a randomized controlled study.American Journal of Transplantation, 13(4), 1047-1054.
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.
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CAT | Product Name | Application | Type |
---|---|---|---|
MOB-444-S(P) | Recombinant Anti-HCV Antibody scFv Fragment | WB, IHC, FuncS | scFv |
HPAB-1118LY-S(P) | Humanized Anti-HCV Antibody scFv Fragment (CBL021) | ELISA, FC | |
HPAB-1119LY-S(P) | Humanized Anti-HCV Antibody scFv Fragment (CBL022) | ELISA, FC | |
HPAB-1120LY-S(P) | Humanized Anti-HCV Antibody scFv Fragment (CBL023) | ELISA, FC | |
HPAB-0043LY-S(P) | Mouse Anti-HCV Antibody scFv Fragment (PA-29) | WB | scFv |
CAT | Product Name | Application | Type |
---|---|---|---|
NABG-079 | Recombinant Anti-HCV VHH Single Domain Antibody | ELISA, IHC, FC, FuncS | Llama VHH |
CAT | Product Name | Application | Type |
---|---|---|---|
MHH-444 | Recombinant Human Anti-HCV Antibody | IF, Neut, FuncS | IgG |
HPAB-0043LY | Recombinant Mouse Anti-HCV Antibody (PA-29) | WB | |
FAMAB-0024WJ | Human Anti-HCV Recombinant Antibody (clone B12.F8) | ELISA, IF, IHC, WB | Human IgG |
FAMAB-0025WJ | Human Anti-HCV Recombinant Antibody (clone CM3.B6) | ELISA, IF, IHC, WB, Inhib | Human IgG |
FAMAB-0026WJ | Human Anti-HCV Recombinant Antibody (clone E6.D10) | ELISA, IF, IHC | Human IgG |
CAT | Product Name | Application | Type |
---|---|---|---|
TAB-344CL | Human Anti-HCV Recombinant Antibody (TAB-344CL) | FuncS | Human IgG |
PABX-071 | Recombinant Human Anti-HCV Antibody (HC33.4) | WB, ELISA, Neut, FuncS | IgG |
PABX-079 | Recombinant Human Anti-Hepatitis C virus Antibody (AP33) | WB, ELISA, FuncS | IgG |
PABX-071-F (E) | Recombinant Human Anti-HCV Antibody Fab Fragment (HC33.4) | WB, ELISA, Neut, FuncS | Fab |
PABX-079-F (E) | Recombinant Human Anti-Hepatitis C virus Antibody Fab Fragment (AP33) | WB, ELISA, FuncS | Fab |
CAT | Product Name | Application | Type |
---|---|---|---|
PABX-071-S (P) | Recombinant Human Anti-HCV Antibody scFv Fragment (HC33.4) | WB, ELISA, Neut, FuncS | scFv |
PABX-079-S (P) | Recombinant Human Anti-Hepatitis C virus Antibody scFv Fragment (AP33) | WB, ELISA, FuncS | scFv |
CAT | Product Name | Application | Type |
---|---|---|---|
HPAB-1118LY-F(E) | Humanized Anti-HCV Antibody Fab Fragment (CBL021) | ELISA, FC | |
HPAB-1119LY-F(E) | Humanized Anti-HCV Antibody Fab Fragment (CBL022) | ELISA, FC | |
HPAB-1120LY-F(E) | Humanized Anti-HCV Antibody Fab Fragment (CBL023) | ELISA, FC | |
HPAB-1121LY-F(E) | Humanized Anti-HCV Antibody Fab Fragment (CBL024) | ELISA, FC | |
HPAB-0232-FY-F(E) | Recombinant Human Anti-HCV Antibody Fab Fragment (TRN1007) | WB, F, N | Human Fab |
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