Hadden JW, Caspritz G, Zheng QY, Chen H, Wolstencroft R, Hadden EM. Thymosin, interleukins, isoprinosine and imuthiol do not reconstitute T-cells in athymic nude mice.
INTERNATIONAL JOURNAL OF IMMUNOPHARMACOLOGY 1989;
11:13-9. [PMID:
2468624 DOI:
10.1016/0192-0561(89)90094-5]
[Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Previous reports suggest that immunotherapy can induce T-cell development in athymic nude mice. Eight-week-old BALB/c nu/nu (athymic nude) mice were treated for 3, 6 and 12 weeks with thymosin fraction 5 (TF-5), buffy coat interleukins (BC-IL), recombinant IL-2 (rIL-2), a combination of TF-5 and BC-IL, isoprinosine or imuthiol. Control animals were treated with sterile saline or were given a syngeneic thymus graft. Spleen weight, cell yields and Thy 1.2+ T-cell markers were monitored and spleen cell proliferative responses to rIL-2, concanavalin A (Con A), Con A + rIL-2, phytohemagglutinin (PHA) and endotoxin (LPS) were assessed. Only mice transplanted with a syngeneic thymus showed progressive increases in both T-cell number and function. Minor changes in proliferative responses were noted at 3 weeks with all treatments; however, no biologically significant reconstitution of T-cell number or function was observed.
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