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Doxorubicin-induced Immunogenic Cell Death Impairs Tumor Progression and Distant Metastasis in a 4T1 Breast Cancer Tumor Model.
Cardador, Camila Magalhães; de Castro, Thaís Bergmann; de Castro, Rafael Júnio Araújo; Bocca, Anamélia Lorenzetti; Camargo, Luana Cristina; Pacheco, Thyago Arruda; Muehlmann, Luís Alexandre; Longo, João Paulo Figueiró.
Afiliação
  • Cardador CM; Department of Genetics and Morphology, Institute of Biological Sciences, University of Brasília, Brazil.
  • de Castro TB; Department of Cellular Biology, Institute of Biological Sciences, University of Brasilia, Brazil.
  • de Castro RJA; Department of Cellular Biology, Institute of Biological Sciences, University of Brasilia, Brazil.
  • Bocca AL; Department of Cellular Biology, Institute of Biological Sciences, University of Brasilia, Brazil.
  • Camargo LC; Department of Genetics and Morphology, Institute of Biological Sciences, University of Brasília, Brazil.
  • Pacheco TA; Department of Genetics and Morphology, Institute of Biological Sciences, University of Brasília, Brazil.
  • Muehlmann LA; Faculty of Ceilândia, University of Brasília, Brazil.
  • Longo JPF; Department of Genetics and Morphology, Institute of Biological Sciences, University of Brasília, Brazil.
Curr Pharm Des ; 2024 Jul 22.
Article em En | MEDLINE | ID: mdl-39041268
ABSTRACT

INTRODUCTION:

Cancer is an individual disease and its formation and development are specific to each host. Conventional treatments are ineffective in complex cases, such as metastasis, and have severe adverse side effects. New strategies are needed to address the problem, and the use of immunogenic cell death (ICD) as a trigger or booster of the immune system through the exposure of damage-associated molecular patterns, along with tumor antigens, by cancerous cells is presented as an immunization approach in this work.

METHODS:

For this purpose, 4T1 cells were exposed to doxorubicin (DOX) for 24 hours and then, these cells undergoing ICD were subcutaneously administered to mice. The ICD induction by DOX on 4T1 was assessed by flow cytometry and image analysis. This immunization process was performed three times and after the last administration, the immunized mice were challenged with a subcutaneous xenograft of live cancer cells.

RESULTS:

The results demonstrate that the mice immunized with cells undergoing ICD after exposure to DOX presented no primary tumor or indications of distant metastatic lesion development.

CONCLUSION:

In summary, our findings indicate that the immunization process utilizing ICD is indeed efficacious in managing this aggressive form of pre-clinical breast cancer.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Curr Pharm Des Assunto da revista: FARMACIA Ano de publicação: 2024 Tipo de documento: Article País de afiliação: Brasil País de publicação: Emirados Árabes Unidos

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Curr Pharm Des Assunto da revista: FARMACIA Ano de publicação: 2024 Tipo de documento: Article País de afiliação: Brasil País de publicação: Emirados Árabes Unidos