COL4A3 and Alport syndrome: In a first in vivo application of our newly established method we tested if there are differences in MNP subset composition between three commonly used models of kidney injury: 7 days of unilateral ureter obstruction (UUO), ischemia reperfusion injury (IRI) after 7 days and 7 weeks old Col4a3−/− mice with Alport syndrome (Fig. 4A,B).