Disclosed is the use of multipotent cells in the manufacture of a medicament for adjunctive treatment of a subject at risk for or suffering from an immune dysfunction, wherein the cells: are not embryonic stem cells, embryonic germ cells, or germ cells； can differentiate into at least one cell type of each of at least two of the endodermal, ectodermal, and mesodermal embryonic lineages； express telomerase； do not provoke a deleterious immune response in the subject； are effective to treat the immune dysfunction in the subject； wherein the medicament is to be administered adjunctively to another treatment to the subject to treat the same thing, to treat something different or both, or the medicament comprises at least one other agent to treat the immune dysfunction, to treat another condition or both.
