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Symbiosis00:58

Symbiosis

Symbiotic relationships are long-term, close interactions between individuals of different species that affect the distribution and abundance of those species. When a relationship is beneficial to both species, this is called mutualism. When the relationship is beneficial to one species but neither beneficial nor harmful to the other species, this is called commensalism. When one organism is harmed to benefit another, the relationship is known as parasitism. These types of relationships often...

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Superior Auto-Identification of Trypanosome Parasites by Using a Hybrid Deep-Learning Model
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Published on: October 27, 2023

Human African trypanosomiasis.

Veerle Lejon1, Marina Bentivoglio, José Ramon Franco

  • 1Department of Biomedical Sciences, Institute of Tropical Medicine, Antwerp, Belgium and Institut de Recherche pour le Développement, UMR 177 IRD-CIRAD INTERTRYP, Campus International de Baillarguet, Montpellier, France.

Handbook of Clinical Neurology
|July 9, 2013
PubMed
Summary
This summary is machine-generated.

Human African trypanosomiasis, or sleeping sickness, is a severe parasitic disease transmitted by tsetse flies. Current treatments are toxic, highlighting the urgent need for better diagnostics and safer drugs to control this neglected tropical disease.

Keywords:
Human African trypanosomiasisTrypanosoma brucei gambienseTrypanosoma brucei rhodesienseclinicalcontroldiagnosispathogenesissleeping sicknesstreatmenttsetse fly

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Area of Science:

  • Neglected tropical diseases
  • Parasitology
  • Neuroscience

Background:

  • Human African trypanosomiasis (sleeping sickness) is a fatal parasitic disease prevalent in sub-Saharan Africa.
  • Transmitted by tsetse flies, it progresses through hemolymphatic and meningoencephalitic stages, affecting the central nervous system.
  • Current treatments for this neglected tropical disease are toxic and difficult to administer, necessitating improved therapeutic strategies.

Purpose of the Study:

  • To summarize the current understanding of Human African Trypanosomiasis (HAT).
  • To highlight the challenges in diagnosis and treatment of HAT.
  • To emphasize the need for improved control measures.

Main Methods:

  • Review of existing literature on Human African Trypanosomiasis.
  • Analysis of disease progression, transmission, and clinical manifestations.
  • Evaluation of current diagnostic and treatment modalities.

Main Results:

  • HAT is caused by Trypanosoma brucei subspecies, transmitted by tsetse flies.
  • The disease involves two stages: hemolymphatic and meningoencephalitic, characterized by neuroinflammation.
  • Diagnosis relies on detecting parasites and cerebrospinal fluid analysis; staging is complex.
  • Treatment is subspecies and stage-dependent, with existing drugs posing toxicity and administration challenges.

Conclusions:

  • Effective control of Human African Trypanosomiasis relies on diagnosis, treatment, and vector control.
  • There is a critical need for enhanced diagnostic tools and safer, user-friendly drugs.
  • Development of new interventions is essential for disease elimination.