Tumoricidal activity of tumor necrosis factor-related apoptosis-inducing ligand in vivo

Henning Walczak, Robert E. Miller, Kiley Ariail, Brian Gliniak, Thomas S. Griffith, Marek Kubin, Wilson Chin, Jon Jones, Anne Woodward, Tiep Le, Craig Smith, Pam Smolak, Raymond G. Goodwin, Charles T. Rauch, Jo Ann C.L. Schuh, David H. Lynch

Research output: Contribution to journalArticlepeer-review

2116 Scopus citations


To evaluate the utility of tumor necrosis factor-related apoptosis- inducing ligand (TRAIL) as a CanCer therapeutic, we created leucine zipper (LZ) forms of human (hu) and murine (mu) TRAIL to promote and stabilize the formation of trimers. Both were biologically active, inducing apoptosis of both human and murine target cells in vitro with similar specific activities. In contrast to the fulminant hepatotoxicity of LZ-huCD95L in vivo, administration of either LZ-hUTRAIL or LZ-muTRAIL did not seem toxic to normal tissues of mice. Finally, repeated treatments with LZ-huTRAIL actively suppressed growth of the TRAIL, sensitive human mammary adenocarcinoma cell line MDA-231 in CB.17 (SCID) mice, and histologic examination of tumors from SCID mice treated with LZ-huTRAIL demonstrated clear areas of apoptotic necrosis within 9-12 hours of injection.

Original languageEnglish (US)
Pages (from-to)157-163
Number of pages7
JournalNature Medicine
Issue number2
StatePublished - Feb 1 1999

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