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Issels, R.D. ; Meier, T.H. ; Müller, E. ; Multhoff, G. ; Wilmanns, W.

Ifosfamide induced stress response in human lymphocytes.

Mol. Aspects Med. 14, 281-286 (1993)
DOI
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Ifosfamide, an isomer of cyclophosphamide, has been shown to be one of the most effective antineoplastic agents for the treatment of human malignancies. There is considerable evidence that the intracellular status of glutathione (GSH) plays a major role in modifying the cytotoxicity of ifosfamide in cells and tissues. We have studied the effects of 4-hydroperoxyifosfamide (4-OOH-IF) upon the proliferation of human peripheral blood lymphocytes (PBL) and the intracellular GSH content. The major finding was that occurence of significant inhibition of [3H]-thymidine incorporation in interleukine-2 (IL-2) expanded PBL after exposure with 4-OOH-IF was accompanied by substantial depletion of intracellular GSH content in these cells. PBL seemed to be more sensitive to this drug induced effect comparing our results obtained in other cells (e.g. Ewing sarcoma, Chinese hamster ovary). In PBL 4-OOH-IF also induced rapid phosphorylation of the small heat shock protein (HSP27) signaling a similar type of stress response as reported for several other agents (e.g. arsenite, phorbol ester, tumor necrosis factor). Reconstitution of the depleted GSH content in PBL after treatment with 4-OOH-IF could be achieved by GSH-monoethylester and mesna within 24 hours of postincubation time. From these results we conclude that human lymphocytes are sensitive targets for ifosfamide induced metabolic stress during treatment. This might have further importance in regard to the immunological function of these cells.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Korrespondenzautor
ISSN (print) / ISBN 0098-2997
e-ISSN 0098-2997
Zeitschrift Molecular Aspects of Medicine
Quellenangaben Band: 14, Heft: 3, Seiten: 281-286 Artikelnummer: , Supplement: ,
Verlag Elsevier
Nichtpatentliteratur Publikationen
Begutachtungsstatus Peer reviewed