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Learn about the pathogenic and non-pathogenic Entamoeba species that colonize humans, and how they cause intestinal and extraintestinal infections. See the life cycle diagram, geographic distribution, clinical presentation, and laboratory diagnosis of amebiasis.
Oct 6, 2022 · Learn how E. histolytica causes amoebic dysentery and liver abscess by its trophozoite and cyst stages. Find out the mode of transmission, clinical findings, and laboratory diagnosis of this enteric protozoan parasite.
Life-cycle of Entamoeba histolytica. Entamoeba histolytica is an anaerobic parasitic amoebozoan, part of the genus Entamoeba. Predominantly infecting humans and other primates causing amoebiasis, E. histolytica is estimated to infect about 35-50 million people worldwide.
Apr 17, 2023 · The majority of E. histolytica infections are asymptomatic; however, up to 10% of asymptomatic individuals infected can develop the disease over time. E. histolytica most commonly causes intestinal amoebiasis but can also affect the liver, respiratory tract, heart, and brain.
- Arthur Chou, Richard L. Austin
- 2023/04/17
Nov 12, 2020 · E. histolytica has 2 main stages during its life cycle: the trophozoite and the cyst stage. The infectious agent is the cyst and is transmitted through the oral–fecal route via contaminated food or water. Animal models are not available for this stage interconversion, which is essential for disease propagation and pathogenesis.
- Carolina Mendoza Cavazos, Laura J. Knoll
- 10.1371/journal.ppat.1008950
- 2020
- PLoS Pathog. 2020 Nov; 16(11): e1008950.
Nov 22, 2023 · Learn about the life cycle, epidemiology, and transmission of E. histolytica, the causative agent of intestinal amebiasis. The parasite exists in two forms, a cyst stage and a trophozoite stage, and infection occurs via ingestion of cysts.
Dec 2, 2018 · 1. Introduction. Amoebiasis, or amoebic dysentery, is a term used to describe an infection caused by the protozoan Entamoeba histolytica [ 1 ]. Most infections are asymptomatic, but invasive intestinal disease may occur manifesting with several weeks of cramping, abdominal pain, watery or bloody diarrhea, and weight loss [ 1 ].
