Integrin beta-4 signaling plays a key role in mouse embryogenesis.

Roberts JE, Nikolopoulos SN, Oktem O, Giancotti F, Oktay K.

Reprod Sci. 2009 Mar;16(3):286-93. doi: 10.1177/1933719108325506. Epub 2008 Dec 15.
https://www.ncbi.nlm.nih.gov/pubmed/19087978