Presence and distribution of 14-3-3 proteins in human ocular surface tissues
2008

Study of 14-3-3 Proteins in Human Eye Tissues

Sample size: 3 publication Evidence: moderate

Author Information

Author(s): Shankardas Jwalitha, Senchyna Michelle, Dimitrijevich Slobodan D.

Primary Institution: UNT Health Science Center

Hypothesis

The study aims to determine the expression of 14-3-3 proteins in the human cornea and conjunctiva.

Conclusion

All mammalian 14-3-3 isoforms are expressed in the human cornea and conjunctiva, with 14-3-3 σ being specific to epithelial cells.

Supporting Evidence

  • All 14-3-3 isoforms were expressed in the corneal and conjunctival epithelia.
  • 14-3-3 σ was found to be epithelial cell specific.
  • 14-3-3 γ and ζ were present in human tear fluid.

Takeaway

The study found that certain proteins important for cell signaling are present in the eye tissues, which might help in understanding eye health.

Methodology

Immunofluorescence and western blot analysis were used to determine the expression of 14-3-3 proteins in human corneal and conjunctival tissues.

Limitations

The study did not compare the expression profiles in immortalized conjunctival epithelial cell lines due to lack of access.

Participant Demographics

Normal volunteers provided tear fluid samples.

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