Cochlin Induced TREK-1 Co-Expression and Annexin A2 Secretion: Role in Trabecular Meshwork Cell Elongation and Motility
2011

Cochlin, TREK-1, and Annexin A2 in Cell Physiology

publication 10 minutes Evidence: moderate

Author Information

Author(s): Manik Goel, Adam E. Sienkiewicz, Renata Picciani, Richard K. Lee, Sanjoy K. Bhattacharya

Primary Institution: Bascom Palmer Eye Institute, University of Miami

Hypothesis

How do cochlin, TREK-1, and annexin A2 interact to affect trabecular meshwork cell shape and motility?

Conclusion

Cochlin influences trabecular meshwork cell shape and motility through its interactions with TREK-1 and annexin A2.

Supporting Evidence

  • Cochlin is found in the trabecular meshwork of glaucomatous patients.
  • Cochlin undergoes shear-induced multimerization, suggesting mechanosensing capability.
  • Annexin A2 secretion is increased with cochlin expression.
  • Cochlin and TREK-1 co-expression leads to changes in cell shape and motility.
  • Changes in cell shape may enhance fluid outflow in the eye.

Takeaway

Cochlin helps eye cells change shape and move, which is important for fluid flow in the eye.

Methodology

The study involved experiments with human trabecular meshwork cells, including transfections and protein interaction assays.

Limitations

The study primarily focused on in vitro models, which may not fully replicate in vivo conditions.

Participant Demographics

Human donors aged 40 to 85, including normal and glaucomatous samples.

Digital Object Identifier (DOI)

10.1371/journal.pone.0023070

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