Abstract
The most important feature of the pathology of human amebiasis is the greatly destructive nature of the anatomical lesions produced by the protozoan Entamoeba histolytica. Recent advances on the knowledge of biochemistry, immunology, cellular and molecular biology, and genetics of this parasite, added to the use of different in vitro, in vivo, and ex vivo models to analyze host–parasite interactions or the production of intestinal and extraintestinal amebic lesions, all have given a better perception of the mechanisms of pathogenesis in amebiasis. The present chapter is divided into three parts: first, a general review of the pathology of human amebiasis; second, a short review of the mechanisms of invasion and production of damage in the host, and third, a review of the different in vivo experimental models currently available to study the mechanisms involved in amebic infection. In reference to pathogenesis, each factor, molecule or gene, or mechanism of target cell damage is reviewed individually in other chapters of this section on “Pathogenesis and Immunity” in the present book. Therefore, the meticulous or probing aspects of the studies are mentioned by each responsible and expert group of researchers. In this review, we mention in general each of the different factors of pathogenesis in amebiasis. The contributions obtained using different techniques and methodologies of experimental models are emphasized, and the subjects that still need to be unraveled to understand how this microscopic parasite has earned its well-deserved “histolytic” name are discussed.
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Abbreviations
- ALA:
-
Amebic liver abscess
- CP:
-
Cysteine proteinase
- E-64:
-
l-trans-Epoxisuccinil-leucylamido-(4-guanidino butane)
- Gal:
-
Galactose
- GalNAc:
-
Acetylgalacosamine
- GM-CSF:
-
Granulocyte macrophage-colony stimulating factor
- GTP:
-
Guanosine triphosphate
- IL-1β:
-
Interleukin-1-beta
- INF-γ:
-
Interferon-gamma
- Muc2:
-
Mucin 2
- NF-κb:
-
Nuclear factor kappa-light-chain-enhancer of activated B cells
- SCID:
-
Severe combined immunodeficiency
- TNF:
-
Tumor necrosis factor
- TUNEL:
-
Terminal deoxynucleotidyl transferase-dUTP nick-end labeling
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Acknowledgments
The authors gratefully acknowledge Ms. Silvia Galindo-Gómez, Angélica Silva-Olivares, Karla Gil-Becerril, and Claudia Pérez-Galindo for their technical assistance. The present work was partially supported by SEP-CONACyT (México), grant No. 128317 to MS.
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Shibayama, M., de Jesús Serrano-Luna, J., Aguirre-García, J., Tsutsumi, V. (2015). Pathology, Pathogenesis, and Experimental Amebiasis. In: Nozaki, T., Bhattacharya, A. (eds) Amebiasis. Springer, Tokyo. https://doi.org/10.1007/978-4-431-55200-0_23
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