R7 Virus

**Semantic type:** Virus

**Definition:** This virus is a spontaneous mutant of SV7, a molecular clone of MoMuSV124. Like SV7, R7 induces subcutaneous fibrosarcomas, spleen tumors, and mesentery tumors infiltrated by proliferating vessels lined by transformed endothelial cells. However, it also induces brain lesions. (from Virology. 1997 Sep 15;236(1):213-8)

**Synonyms:** - MoMuSV 124 variant R7 - R7 - Recombinant 7