T helper 2-dominant antilymphoma immune response is associated with fatal outcome.

Published

Journal Article

The precise role of the endogenous immune system in modulating cancer development remains unclear. Tumor cells are generally thought to be nonimmunogenic because they are of 'self' origin. However, tumor-reactive lymphocytes can be isolated from patients with many types of cancer. It is unclear what role these lymphocytes play and why they fail to protect the host. Using a murine B-cell leukemia/lymphoma (BCL1) model, we showed the development of a vigorous antitumor T-cell response in the tumor-susceptible host. Specific T-cell responses against BCL1 developed as early as day 4. However, the nature of this nonprotective response is different from the protective response produced in a major histocompatibility complex-matched tumor-resistant host. Susceptible hosts developed a T helper 2 (Th2)-dominant response, whereas resistant hosts developed a Th1-dominant response to BCL1. Cytolytic activity against BCL1 developed in both resistant and susceptible hosts, but in the susceptible host, this response was weaker and delayed compared with that in the resistant host. Thus, tumor susceptibility does not necessarily mean the absence of an antitumor immune response. Rather, the nature of the antitumor immune response is critical in determining clinical outcome.

Full Text

Duke Authors

Cited Authors

  • Lee, PP; Zeng, D; McCaulay, AE; Chen, YF; Geiler, C; Umetsu, DT; Chao, NJ

Published Date

  • August 15, 1997

Published In

Volume / Issue

  • 90 / 4

Start / End Page

  • 1611 - 1617

PubMed ID

  • 9269780

Pubmed Central ID

  • 9269780

International Standard Serial Number (ISSN)

  • 0006-4971

Language

  • eng

Conference Location

  • United States