Type | MGI:General | Description | mice treated with 3 injections of pIpC every second day at 4 to 10 weeks of age develop diffuse mastocytosis by 13 - 38 weeks of age pIpC treated mice display a variable increase in cutaneous mast cell numbers in some pIpC treated mice accumulations of mast cells are seen in the lymph nodes and/or spleen mice not treated with pIpC develop phenotypes similar to those in pIpC injected mice |