1118
Southern analysis on genomic DNA isolated from tissues and cell lines from several mouse strains using mCD22 cDNA demonstrated that the Cd22 locus encoding mCD22 is a single copy gene of < or = 30 kb .
 GENE: mCD22 cDNA; GENE: Cd22 locus; GENE: mCD22
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: mCD22 cDNA; GENE: Cd22 locus; GENE: mCD22