Persistence of multiple tumor-specific T-cell clones is associated with complete tumor regression in a melanoma patient receiving adoptive cell transfer therapy

Juhua Zhou, Mark E. Dudley, Steven A. Rosenberg, Paul F. Robbins

Research output: Contribution to journalArticle

Abstract

The authors recently reported that adoptive immunotherapy with autologous tumor-reactive tumor infiltrating lymphocytes (TILs) immediately following a conditioning non-myeloablative chemotherapy regimen resulted in an enhanced clinical response rate in patients with metastatic melanoma. These observations led to the current studies, which are focused on a detailed analysis of the T-cell antigen reactivity as well as the in vivo persistence of T cells in melanoma patient 2098, who experienced a complete regression of all metastatic lesions in lungs and soft tissues following therapy. Screening of an autologous tumor cell cDNA library using transferred TILs resulted in the identification of novel mutated growth arrest-specific gene 7 (GAS7) and glyceraldehyde-3- phosphate dehydrogenase (GAPDH) gene transcripts. Direct sequence analysis of the expressed T-cell receptor beta chain variable regions showed that the transferred TILs contained multiple T-cell clonotypes, at least six of which persisted in peripheral blood for a month or more following transfer. The persistent T cells recognized both the mutated GAS7 and GAPDH. These persistent tumor-reactive T-cell clones were detected in tumor cell samples obtained from the patient following adoptive cell transfer and appeared to be represented at higher levels in the tumor sample obtained 1 month following transfer than in the peripheral blood obtained at the same time. Overall, these results indicate that multiple tumor-reactive T cells can persist in the peripheral blood and at the tumor site for prolonged times following adoptive transfer and thus may be responsible for the complete tumor regression in this patient.

Original languageEnglish (US)
Pages (from-to)53-62
Number of pages10
JournalJournal of Immunotherapy
Volume28
Issue number1
StatePublished - Jan 2005
Externally publishedYes

Fingerprint

Adoptive Transfer
Cell- and Tissue-Based Therapy
Melanoma
Clone Cells
T-Lymphocytes
Tumor-Infiltrating Lymphocytes
Neoplasms
Glyceraldehyde-3-Phosphate Dehydrogenases
Soft Tissue Therapy
Genes
Antigen Receptors, T-Cell, alpha-beta
Adoptive Immunotherapy
Viral Tumor Antigens
Growth
Gene Library
Sequence Analysis
Drug Therapy
Lung

Keywords

  • Adoptive cell transfer
  • Melanoma
  • T-cell persistence
  • T-cell receptor beta chain variable regions
  • Tumor antigens

ASJC Scopus subject areas

  • Cancer Research
  • Pharmacology
  • Immunology

Cite this

Persistence of multiple tumor-specific T-cell clones is associated with complete tumor regression in a melanoma patient receiving adoptive cell transfer therapy. / Zhou, Juhua; Dudley, Mark E.; Rosenberg, Steven A.; Robbins, Paul F.

In: Journal of Immunotherapy, Vol. 28, No. 1, 01.2005, p. 53-62.

Research output: Contribution to journalArticle

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