<p>Intestinal organoids are valuable tools across different disciplines, from a clinical aspect to the biomedical research, providing a unique perspective on the complexity of the gastrointestinal system. They are alternatives to common cell lines as they can offer insights into architectural functionality and reduce the use of animal models. A deeper understanding of their organoid characteristics is required to harness their full potential. Despite their beneficial uses and multiple advantages, organoids have limitations that remain unaddressed. This review aims to elucidate the principal limitations of intestinal organoids, investigate structural defects such as the deficiency in a vascularized and lymphatic system, and absence of the microbiome, restrictions in mimicking the physiological gut model, including the lack of an acid-neutralizing system or a shortage of digestive enzymes, and the difficulties in their long-term maintenance and polarity accessibility. Development of innovative techniques to address these limitations will lead to improve in vivo recapitulation and pioneering further advancements in this field.</p> Graphical Abstract <p></p>

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Latest Advanced Techniques for Improving Intestinal Organoids Limitations

  • Lisa Tonini,
  • Changhwan Ahn

摘要

Intestinal organoids are valuable tools across different disciplines, from a clinical aspect to the biomedical research, providing a unique perspective on the complexity of the gastrointestinal system. They are alternatives to common cell lines as they can offer insights into architectural functionality and reduce the use of animal models. A deeper understanding of their organoid characteristics is required to harness their full potential. Despite their beneficial uses and multiple advantages, organoids have limitations that remain unaddressed. This review aims to elucidate the principal limitations of intestinal organoids, investigate structural defects such as the deficiency in a vascularized and lymphatic system, and absence of the microbiome, restrictions in mimicking the physiological gut model, including the lack of an acid-neutralizing system or a shortage of digestive enzymes, and the difficulties in their long-term maintenance and polarity accessibility. Development of innovative techniques to address these limitations will lead to improve in vivo recapitulation and pioneering further advancements in this field.

Graphical Abstract