Molecular phylogeny of the antiangiogenic and neurotrophic serpin, pigment epithelium derived factor in vertebrates
2006

Study of the PEDF Gene in Vertebrates

publication Evidence: high

Author Information

Author(s): Xu Xuming, Zhang Samuel Shao-Min, Barnstable Colin J, Tombran-Tink Joyce

Primary Institution: Yale University School of Medicine

Hypothesis

The molecular phylogeny of the pigment epithelium derived factor (PEDF) gene can provide insights into its evolutionary conservation and biological functions across vertebrates.

Conclusion

The PEDF gene is conserved across vertebrates and plays critical roles in regulating cell proliferation and survival.

Supporting Evidence

  • The PEDF gene is present in all vertebrate species examined, indicating its evolutionary conservation.
  • Similar gene structures and functions of PEDF were observed across different vertebrate phyla.
  • Analysis showed that the PEDF gene is biologically active throughout vertebrate evolution.

Takeaway

The PEDF gene is found in all vertebrates and helps protect neurons and control blood vessel growth.

Methodology

Bioinformatic analysis and computational tools were used to identify and compare PEDF genes across various vertebrate species.

Limitations

The study did not find PEDF in invertebrates, limiting the understanding of its evolutionary origins.

Digital Object Identifier (DOI)

10.1186/1471-2164-7-248

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