The relationship of histamine H2 receptor-bearing suppressor cells with the growth and metastasis of FANFT-induced bladder cancer.

A poorly differentiated transitional cell carcinoma in C3H/He mice results from the oral ingestion of the urinary tract carcinogen FANFT. This model, designated MBT2, is readily transplantable into syngeneic animals and has proven to be very useful in the development of chemotherapy. Prior to the use of this model for the testing of potential immunotherapeutic strategies, we have attempted to characterize the immunobiology of this tumor line. We report that the primary growth of this tumor in the footpad and its metastasis to lung are correlated with the development of increased numbers of suppressor cells, characterized by the expression of a surface histamine H2 receptor. These cells are originally evident in spleen and become maximal approximately 4 weeks after tumor implantation. This is followed by the migration of these cells from spleen to peripheral blood, an event that parallels the growth and eventual metastasis of this implanted transitional cell carcinoma. These events may have important significance for the development of immunomodulating therapy against bladder cancer.
AuthorsR K Babayan, M E Osband, G A Carpinito, Z S Ho, E B Cohen, R J Krane
JournalJournal of surgical oncology (J Surg Oncol) Vol. 24 Issue 1 Pg. 53-8 (Sep 1983) ISSN: 0022-4790 [Print] UNITED STATES
PMID6224980 (Publication Type: Journal Article, Research Support, U.S. Gov't, P.H.S.)
Chemical References
  • Receptors, Histamine
  • Receptors, Histamine H2
  • Thiazoles
  • Animals
  • Carcinoma, Transitional Cell (chemically induced, immunology)
  • Cell Movement
  • FANFT (pharmacology)
  • Female
  • Lung Neoplasms (immunology, secondary)
  • Mice
  • Mice, Inbred C3H
  • Neoplasm Transplantation
  • Phenotype
  • Receptors, Histamine (immunology)
  • Receptors, Histamine H2 (immunology)
  • Spleen (immunology)
  • T-Lymphocytes, Regulatory (immunology)
  • Thiazoles (pharmacology)
  • Time Factors
  • Urinary Bladder Neoplasms (chemically induced, immunology)

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