Interleukin-4

**Definition:** A soluble factor produced by activated T-LYMPHOCYTES that induces the expression of MHC CLASS II GENES and FC RECEPTORS on B-LYMPHOCYTES and causes their proliferation and differentiation. It also acts on T-lymphocytes, MAST CELLS, and several other hematopoietic lineage cells.

**Tree numbers:** - D12.644.276.374.465.186 - D12.776.467.374.465.178 - D23.529.374.465.186

**Synonyms:** - B Cell Stimulatory Factor-1 - B-Cell Growth Factor-1 - B-Cell Growth Factor-I - B-Cell Proliferating Factor - B-Cell Stimulating Factor-1 - B-Cell Stimulatory Factor 1 - B-Cell Stimulatory Factor-1 - BCGF-1 - Binetrakin - BSF-1 - IL-4 - IL4 - Mast Cell Growth Factor-2 - MCGF-2