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Characterization of the canine CD20 as a therapeutic target for comparative passive immunotherapy

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Abstract
Anti-CD20 therapies have revolutionized the treatment of B-cell malignancies. Despite these advances, relapsed and refractory disease remains a major treatment challenge. The optimization of CD20-targeted immunotherapies is considered a promising strategy to improve current therapies. However, research has been limited by the scarcity of preclinical models that recapitulate the complex interaction between the immune system and cancers. The addition of the canine lymphoma (cNHL) model in the development of anti-CD20 therapies may provide a clinically relevant approach for the translation of improved immunotherapies. Still, an anti-CD20 therapy for cNHL has not been established stressing the need of a comprehensive target characterization. Herein, we performed an in-depth characterization on canine CD20 mRNA transcript and protein expression in a cNHL biobank and demonstrated a canine CD20 overexpression in B-cell lymphoma samples. Moreover, CD20 gene sequencing analysis identified six amino acid differences in patient samples (C77Y, L147F, I159M, L198V, A201T and G273E). Finally, we reported the use of a novel strategy for the generation of anti-CD20 mAbs, with human and canine cross-reactivity, by exploring our rabbit derived single-domain antibody platform. Overall, these results support the rationale of using CD20 as a target for veterinary settings and the development of novel therapeutics and immunodiagnostics.
Keywords
MONOCLONAL-ANTIBODY THERAPY, B-CELL, ANIMAL-MODEL, RITUXIMAB, LYMPHOMA, EXPRESSION, GENE, REPERTOIRE, CANCER, IDENTIFICATION

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MLA
Dias, Joana N. R., et al. “Characterization of the Canine CD20 as a Therapeutic Target for Comparative Passive Immunotherapy.” SCIENTIFIC REPORTS, vol. 12, no. 1, 2022, doi:10.1038/s41598-022-06549-1.
APA
Dias, J. N. R., Pedro Pinto De Almeida, A., Andre, A. S., Aguiar, Sandra, I., Bule, P., Nogueira, S., … Aires-da-Silva, F. (2022). Characterization of the canine CD20 as a therapeutic target for comparative passive immunotherapy. SCIENTIFIC REPORTS, 12(1). https://doi.org/10.1038/s41598-022-06549-1
Chicago author-date
Dias, Joana N. R., André Pedro Pinto De Almeida, Ana S. Andre, I Aguiar, Sandra, Pedro Bule, Sara Nogueira, Soraia S. Oliveira, et al. 2022. “Characterization of the Canine CD20 as a Therapeutic Target for Comparative Passive Immunotherapy.” SCIENTIFIC REPORTS 12 (1). https://doi.org/10.1038/s41598-022-06549-1.
Chicago author-date (all authors)
Dias, Joana N. R., André Pedro Pinto De Almeida, Ana S. Andre, I Aguiar, Sandra, Pedro Bule, Sara Nogueira, Soraia S. Oliveira, Belmira Carrapico, Solange Gil, Luis Tavares, and Frederico Aires-da-Silva. 2022. “Characterization of the Canine CD20 as a Therapeutic Target for Comparative Passive Immunotherapy.” SCIENTIFIC REPORTS 12 (1). doi:10.1038/s41598-022-06549-1.
Vancouver
1.
Dias JNR, Pedro Pinto De Almeida A, Andre AS, Aguiar, Sandra I, Bule P, Nogueira S, et al. Characterization of the canine CD20 as a therapeutic target for comparative passive immunotherapy. SCIENTIFIC REPORTS. 2022;12(1).
IEEE
[1]
J. N. R. Dias et al., “Characterization of the canine CD20 as a therapeutic target for comparative passive immunotherapy,” SCIENTIFIC REPORTS, vol. 12, no. 1, 2022.
@article{8747005,
  abstract     = {{Anti-CD20 therapies have revolutionized the treatment of B-cell malignancies. Despite these advances, relapsed and refractory disease remains a major treatment challenge. The optimization of CD20-targeted immunotherapies is considered a promising strategy to improve current therapies. However, research has been limited by the scarcity of preclinical models that recapitulate the complex interaction between the immune system and cancers. The addition of the canine lymphoma (cNHL) model in the development of anti-CD20 therapies may provide a clinically relevant approach for the translation of improved immunotherapies. Still, an anti-CD20 therapy for cNHL has not been established stressing the need of a comprehensive target characterization. Herein, we performed an in-depth characterization on canine CD20 mRNA transcript and protein expression in a cNHL biobank and demonstrated a canine CD20 overexpression in B-cell lymphoma samples. Moreover, CD20 gene sequencing analysis identified six amino acid differences in patient samples (C77Y, L147F, I159M, L198V, A201T and G273E). Finally, we reported the use of a novel strategy for the generation of anti-CD20 mAbs, with human and canine cross-reactivity, by exploring our rabbit derived single-domain antibody platform. Overall, these results support the rationale of using CD20 as a target for veterinary settings and the development of novel therapeutics and immunodiagnostics.}},
  articleno    = {{2678}},
  author       = {{Dias, Joana N. R. and Pedro Pinto De Almeida, André and Andre, Ana S. and Aguiar, Sandra, I and Bule, Pedro and Nogueira, Sara and Oliveira, Soraia S. and Carrapico, Belmira and Gil, Solange and Tavares, Luis and Aires-da-Silva, Frederico}},
  issn         = {{2045-2322}},
  journal      = {{SCIENTIFIC REPORTS}},
  keywords     = {{MONOCLONAL-ANTIBODY THERAPY,B-CELL,ANIMAL-MODEL,RITUXIMAB,LYMPHOMA,EXPRESSION,GENE,REPERTOIRE,CANCER,IDENTIFICATION}},
  language     = {{eng}},
  number       = {{1}},
  pages        = {{17}},
  title        = {{Characterization of the canine CD20 as a therapeutic target for comparative passive immunotherapy}},
  url          = {{http://doi.org/10.1038/s41598-022-06549-1}},
  volume       = {{12}},
  year         = {{2022}},
}

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