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The IL-4 gene maps to chromosome 11, near the gene encoding IL-3
P D'Eustachio1, M Brown, C Watson
1Department of Biochemistry, New York University School of Medicine 10016.
Abstract:
IL-4/B cell stimulatory factor 1 (IL-4) is a potent mediator of the growth and differentiation of cells of most hemopoietic lineages. IL-4 is one of a number of lymphokines produced by T cells after activation with Ag or mitogen. In order to map the chromosomal location of the IL-4 gene, Chinese hamster-mouse somatic cell hybrids were used in Southern blot analyses with an IL-4 cDNA probe. These results suggested that the IL-4 gene was located on chromosome 11. In contrast, the gene encoding IL-2 was localized to either chromosome 1 or 3. The identification of a strain-specific Bgl II restriction enzyme polymorphism in the IL-4 gene was used to map the IL-4 gene to a position on mouse chromosome 11 within 1 centimorgan of the gene encoding IL-3.