Lysyl Oxidase Mediates Proliferation and Differentiation in the Esophageal Epithelium
2024

Lysyl Oxidase and Its Role in Esophageal Epithelial Growth

publication Evidence: moderate

Author Information

Author(s): Kennedy Kanak V., Wang Joshua X., McMillan Emily, Zhou Yusen, Teranishi Ryugo, Semeao Ann, Mirchandani Leena, Umeweni Chizoba N., Dhakal Diya, Baccarella Alyssa, Ishikawa Satoshi, Sasaki Masaru, Itami Takefumi, Harman Adele C., Joannas Leonel, Karakasheva Tatiana A., Nakagawa Hiroshi, Muir Amanda B., Yang Xuexian

Primary Institution: Children’s Hospital of Philadelphia

Hypothesis

Lysyl oxidase (LOX) plays a non-canonical role in maintaining epithelial homeostasis in the esophagus.

Conclusion

LOX is essential for the proliferation and differentiation of esophageal epithelial cells, and its knockdown disrupts these processes.

Supporting Evidence

  • LOX knockdown decreased the proliferative capacity of esophageal epithelial cells in monolayer culture.
  • Knockdown of LOX was associated with decreased expression of differentiation markers.
  • RNA sequencing revealed 1224 differentially expressed genes related to epithelial development.

Takeaway

Lysyl oxidase helps the cells in the esophagus grow and change into their final forms, and when it's not there, the cells can't do this properly.

Methodology

The study used in vitro and in vivo models, including 3D organoid cultures and a murine model with a tamoxifen-induced Lox knockout.

Limitations

The study relied on a single human cell line and a specific murine model, which may limit the generalizability of the findings.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3390/biom14121560

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