The good, the bad and the tick
Resumen: How tick-borne pathogens (TBPs) could help us understand cancer? The diversity of pathogens transmitted by ticks is higher than that of any other known arthropod vector and includes protozoa (e.g., Babesia spp. and Theileria spp.), bacteria (e.g., intracellular Rickettsia spp. and extracellular Borrelia spp.), viruses (e.g., Tick-borne encephalitis (TBE) and Crimean-Congo hemorrhagic fever (CCHF) virus), helminths (e.g., Cercopithifilaria) and, although less known, fungi (e.g., Dermatophilus) (Otranto et al., 2013; Brites-Neto et al., 2015; de la Fuente et al., 2017). TBPs have complex life cycles that involve vertebrate hosts and the ticks. Intracellular TBP infection triggers cellular and molecular responses that change host cell physiology in fundamental ways. Within vertebrate host cells, the apicomplexan parasites Theileria parva and Theileria annulata activate molecular pathways that result in increased production of reactive oxygen species (ROS), cell immortalization, cancer and host death. In contrast, infection by the rickettsia Anaplasma phagocytophilum inhibits apoptosis, block the production of ROS and results in a self-limiting infection that rarely is lethal for the host. Theileria spp. and A. phagocytophilum modulates host cell response by inducing transcriptional reprogramming of their vertebrate host cells, leukocytes. Transcriptional reprogramming is induced by pathogen-encoded effector proteins that modify host epigenetic pathways that affect not only gene transcription but also protein levels.
Idioma: Inglés
DOI: 10.3389/fcell.2019.00079
Año: 2019
Publicado en: Frontiers in Cell and Developmental Biology 7, Art. 79 (2019), [5 pp.]
ISSN: 2296-634X

Factor impacto JCR: 5.201 (2019)
Categ. JCR: DEVELOPMENTAL BIOLOGY rank: 6 / 41 = 0.146 (2019) - Q1 - T1
Categ. JCR: CELL BIOLOGY rank: 54 / 194 = 0.278 (2019) - Q2 - T1

Factor impacto SCIMAGO: 2.572 - Developmental Biology (Q1) - Cell Biology (Q1)

Tipo y forma: Artículo (Versión definitiva)
Área (Departamento): Área Sanidad Animal (Dpto. Patología Animal)

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