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Updated: Jan 14, 2026

Author Spotlight: Investigating the Effects of Compounds on Intestinal Tissue Using 3D Human Cell Line Models
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Two- and Three-Dimensional Human Intestinal Tissue Models for Cryptosporidium Infection.

Daviel Cardenas1, Seema Bhalchandra1, Hymlaire Lamisere1,2

  • 1Tufts Medical Center, Boston, MA, USA.

Methods in Molecular Biology (Clifton, N.J.)
|October 27, 2025
PubMed
Summary
This summary is machine-generated.

New 3D models using human intestinal organoids (hIOs) offer improved Cryptosporidium parvum infection studies. These models better mimic the human gut, enabling long-term parasite growth and life cycle completion for enhanced research.

Keywords:
Drug screenEnteroidIntestinalMonolayerOrganoidPermeable supportSilk scaffoldStem cellThree dimensional (3D)TissueTranswellTwo dimensional (2D)

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Area of Science:

  • * Parasitology
  • * Cell Biology
  • * Biomedical Engineering

Background:

  • * Conventional cell cultures inadequately model Cryptosporidium infection in vivo.
  • * Transformed cell lines and primary cells lack the complexity of native human intestinal epithelium.
  • * Previous 3D silk scaffold models supported parasite infection but used non-representative cells.

Purpose of the Study:

  • * To develop and evaluate advanced in vitro models for studying Cryptosporidium parvum infection.
  • * To create models that better recapitulate human intestinal physiology and architecture.
  • * To facilitate long-term parasite culture and life cycle completion for mechanistic studies and drug screening.

Main Methods:

  • * Development of 3D silk scaffold models using transformed intestinal epithelial cells (IECs) co-cultured with myofibroblasts.
  • * Utilization of human intestinal organoids (hIOs)/enteroids (hIEs) in both 2D and 3D culture formats.
  • * Culture of hIEs in 3D matrices and as monolayers on various supports, including silk scaffolds.
  • * Co-culture of hIEs with other human cell types like macrophages and immune cells.

Main Results:

  • * The 3D silk scaffold model supported C. parvum infection for up to two weeks, allowing parasite life cycle completion.
  • * Human intestinal organoids (hIOs/hIEs) better represent native intestinal structure and function compared to traditional cell lines.
  • * hIE-derived models, in both 2D and 3D formats, recapitulate intestinal physiology and offer a promising platform for studying host-pathogen interactions.
  • * These advanced models enable co-culture with diverse human cell types, enhancing their physiological relevance.

Conclusions:

  • * Human intestinal organoids (hIOs/hIEs) represent a significant advancement over conventional cell cultures for Cryptosporidium research.
  • * 2D and 3D hIE-derived models provide powerful tools for studying Cryptosporidium-host cell interactions ex vivo.
  • * These novel culture systems are crucial for screening potential interventions against Cryptosporidium infection.