Paula de Sanctis Augusto , Fernando Carmona Dinau , Carlos Mario González-Zambrano , Luis Mauricio Montoya-Flórez , João Pessoa Araújo , Noeme Sousa Rocha
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Pilot study: Understanding canine transmissible venereal tumor through its transcriptional profile
Canine transmissible venereal tumor (CTVT) is transmitted through the implantation of tumor cells. CTVT was the first tumor described with contagious characteristics and remains one of the few tumors with this capability. This study aimed to map the transcriptomic profile of CTVT to elucidate the potential mechanisms through which this tumor implants and evades host immune surveillance. For this study, 11 dogs aged ≥ 2 years diagnosed with CTVT were selected. Tumor biopsies were performed, RNA was extracted and converted into complementary DNA, followed by RT-qPCR analysis. The transcriptomic profile of CTVT revealed a wide array of differentially expressed genes. However, only the most relevant genes from an oncological perspective were discussed. IL-8, CXCL13, NCAM1, RNASEL, COROA1, and CBLB demonstrated potential associations with immune system evasion and transmission via implantation. Therefore, studying these genes may contribute to the development of targeted therapies that prevent contagion and immune evasion.
期刊介绍：
The journal reports basic, comparative and clinical immunology as they pertain to the animal species designated here: livestock, poultry, and fish species that are major food animals and companion animals such as cats, dogs, horses and camels, and wildlife species that act as reservoirs for food, companion or human infectious diseases, or as models for human disease.
Rodent models of infectious diseases that are of importance in the animal species indicated above,when the disease requires a level of containment that is not readily available for larger animal experimentation (ABSL3), will be considered. Papers on rabbits, lizards, guinea pigs, badgers, armadillos, elephants, antelope, and buffalo will be reviewed if the research advances our fundamental understanding of immunology, or if they act as a reservoir of infectious disease for the primary animal species designated above, or for humans. Manuscripts employing other species will be reviewed if justified as fitting into the categories above.
The following topics are appropriate: biology of cells and mechanisms of the immune system, immunochemistry, immunodeficiencies, immunodiagnosis, immunogenetics, immunopathology, immunology of infectious disease and tumors, immunoprophylaxis including vaccine development and delivery, immunological aspects of pregnancy including passive immunity, autoimmuity, neuroimmunology, and transplanatation immunology. Manuscripts that describe new genes and development of tools such as monoclonal antibodies are also of interest when part of a larger biological study. Studies employing extracts or constituents (plant extracts, feed additives or microbiome) must be sufficiently defined to be reproduced in other laboratories and also provide evidence for possible mechanisms and not simply show an effect on the immune system.
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