10 cytokine polypeptide type of mammal.

An isolated polynucleotide encoding a polypeptide, said polypeptide being at least 80% identical to one or more polypeptides selected from the group consisting of SEQ ID NO: 2, SEQ ID NO: 4, SEQ ID NO: 12, SEQ ID NO: 13 , SEQ ID NO: 19, SEQ ID NO: 20, SEQ ID NO: 25, SEQ ID NO: 26, SEQ ID NO: 34 and SEQ ID NO: 35, or an isolated polynucleotide encoding a polypeptide selected from the group consisting in SEQ ID NO: 14, SEQ ID NO: 15, SEQ ID NO: 16, SEQ ID NO: 17, SEQ ID NO: 21, SEQ ID NO: 22, SEQ ID NO: 23, SEQ ID NO: 24, SEQ ID NO: 27, SEQ ID NO: 28, SEQ ID NO: