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<p>Cell Painting is a sophisticated high-content imaging technique that has been predominantly applied to mammalian cells. Recent advancements have extended its applicability to the first insect cell line, the ovarian cell line Sf9, revealing significant insights into similarities and differences in cellular responses between different taxonomic groups. This study explores the utility of Cell Painting in <i>Helicoverpa zea</i> gut-derived cells, specifically the RP-HzGUT-AW1 cell line, to assess the specifics of insect epithelial cells in response to chemical treatments. Upon adaptation of the analysis pipeline to accommodate their unique morphology and characteristics, our investigations revealed distinct responses of RP-HzGUT-AW1 cells compared to the ovarian insect cell line Sf9. Variations were obtained not only in the dose–response behavior to treatments but also in the overall detectability of specific modes of action. Specifically, processes that relate to osmoregulation and the formation of epithelial structures showed the most significant and distinct responses. This suggests that the specific morphological and physiological attributes of these gut-derived insect cells contribute to unique phenotypic profiles, which enables in-depth interpretation of drug efficacy and safety in these models.</p> Graphical Abstract <p></p>

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Cell Painting of insect gut cells for exploration of molecular responses of insect epithelia to insecticides

  • 期刊论文

  • 发表日期：

    2025年3月17日

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  • Franziska Annabelle Hecker,
  • Bruno Leggio,
  • Tim Koenig,
  • Karsten Niehaus,
  • Sven Geibel

摘要

Cell Painting is a sophisticated high-content imaging technique that has been predominantly applied to mammalian cells. Recent advancements have extended its applicability to the first insect cell line, the ovarian cell line Sf9, revealing significant insights into similarities and differences in cellular responses between different taxonomic groups. This study explores the utility of Cell Painting in Helicoverpa zea gut-derived cells, specifically the RP-HzGUT-AW1 cell line, to assess the specifics of insect epithelial cells in response to chemical treatments. Upon adaptation of the analysis pipeline to accommodate their unique morphology and characteristics, our investigations revealed distinct responses of RP-HzGUT-AW1 cells compared to the ovarian insect cell line Sf9. Variations were obtained not only in the dose–response behavior to treatments but also in the overall detectability of specific modes of action. Specifically, processes that relate to osmoregulation and the formation of epithelial structures showed the most significant and distinct responses. This suggests that the specific morphological and physiological attributes of these gut-derived insect cells contribute to unique phenotypic profiles, which enables in-depth interpretation of drug efficacy and safety in these models.

Graphical Abstract