Plexin-B1 plays a redundant role during mouse development and in tumour angiogenesis
2007

Plexin-B1's Role in Mouse Development and Tumor Angiogenesis

publication Evidence: moderate

Author Information

Author(s): Fazzari Pietro, Penachioni Junia, Gianola Sara, Rossi Ferdinando, Eickholt Britta J, Maina Flavio, Alexopoulou Lena, Sottile Antonino, Comoglio Paolo Maria, Flavell Richard A, Tamagnone Luca

Primary Institution: Institute for Cancer Research and Treatment (IRCC), University of Torino Medical School

Hypothesis

What is the functional relevance of PlexinB1 in mouse development and tumor angiogenesis?

Conclusion

PlexinB1 plays a redundant role in mouse development and is not essential for tumor-induced angiogenesis.

Supporting Evidence

  • PlexinB1 and Sema4D show complementary distribution in various tissues.
  • Mutant mice lacking PlexinB1 are viable and fertile.
  • Absence of PlexinB1 does not affect major developmental processes or tissue functions.

Takeaway

PlexinB1 is a protein that helps in the development of mice, but even when it's missing, the mice grow up just fine and tumors can still grow normally.

Methodology

The study involved creating PlexinB1-deficient mice and analyzing their development and response to tumor growth.

Limitations

The study may not account for compensatory mechanisms from other Plexin family members.

Digital Object Identifier (DOI)

10.1186/1471-213X-7-55

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