FTgpi-induced symptoms  in vivo : cage grid test. FTgpi155 mouse is placed on a metal grid. It cannot grasp the bars firmly, and both legs consistently fall through the grid.
Dametto P, Lakkaraju A, Bridel C, Villiger L, O’Connor T, Herrmann U, Pelczar P, Rülicke T, McHugh D, Adili A, Aguzzi A
CC BY 4.0
<a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4319788/bin/pone.0117412.s013.m4v">S2 Video</a> from <cite style="font-style:normal">Dametto P, Lakkaraju A, Bridel C, Villiger L, O’Connor T, Herrmann U, Pelczar P, Rülicke T, McHugh D, Adili A, Aguzzi A (2015). "<a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4319788">Neurodegeneration and Unfolded-Protein Response in Mice Expressing a Membrane-Tethered Flexible Tail of PrP</a>". <i>PLOS ONE</i>. <a href="https://en.wikipedia.org/wiki/Digital_object_identifier" class="extiw" title="w:Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1371/journal.pone.0117412">10.1371/journal.pone.0117412</a>. <a href="https://en.wikipedia.org/wiki/PMID" class="extiw" title="w:PMID">PMID</a> <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pubmed/25658480">25658480</a>. <a href="https://en.wikipedia.org/wiki/PubMed_Central" class="extiw" title="w:PubMed Central">PMC</a>: <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4319788">4319788</a>.</cite>