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Diversity of Protists I01:15

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Excavata is a diverse group of protists that includes both chemoorganotrophic and phototrophic species, with some thriving in anaerobic environments. Among the key groups within Excavata are diplomonads and parabasalids, which are flagellated protists that lack mitochondria and chloroplasts. These microorganisms typically inhabit anoxic environments, such as the intestines of animals, where they exist either symbiotically or as parasites, relying on fermentation for energy production. Some...

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Skin models for studying vector-borne kinetoplastid infections.

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New bioengineered skin models offer advanced study of kinetoplastid infections like Leishmania and Trypanosoma. These models improve understanding of host-parasite interactions at the skin interface, crucial for tropical disease research.

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Area of Science:

  • Parasitology
  • Dermatology
  • Bioengineering

Background:

  • Kinetoplastid infections (Leishmania, Trypanosoma) are major global health issues, particularly in tropical regions.
  • The skin is a critical site for parasite entry and persistence, yet host-parasite interactions there are poorly understood.
  • Existing in vivo and ex vivo models have limitations in accessibility, reproducibility, and anatomical relevance.

Purpose of the Study:

  • To explore the utility of advanced bioengineered skin models for studying kinetoplastid infections.
  • To investigate host-parasite interactions at the skin interface with enhanced resolution and relevance.
  • To leverage in vitro systems for improved research into parasite transmission and pathogenesis.

Main Methods:

  • Development and utilization of advanced bioengineered skin models, including full-thickness skin equivalents and skin organoids.
  • Incorporation of key human skin components, such as immune cells and vascular structures, into in vitro models.
  • Replication of complex human skin architecture at customizable levels.

Main Results:

  • Bioengineered skin models provide a viable complement to traditional research models for kinetoplastid infections.
  • These in vitro systems allow for high-resolution studies of parasite-host interactions within a relevant anatomical context.
  • The models support natural vector transmission and simulation of diverse biological conditions for studying parasite dynamics.

Conclusions:

  • Advanced bioengineered skin models represent a significant advancement for studying kinetoplastid infections.
  • These models offer enhanced reproducibility, accessibility, and anatomical relevance for investigating parasite-skin interactions.
  • Future research can utilize these platforms to explore parasite development, invasion, dissemination, and host immune responses in skin infections.