Double signal stimulation was required for full recovery of the autologous tumor-killing effect of effusion-associated lymphocytes

Yuh Min Chen, Chun Ming Tsai, Whang Peng Jacqueline, Reury Perng Perng

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Study objectives: To determine the different effects of interleukin (IL)-2, IL-4, IL-7, IL-10, IL-12, and/or T-cell receptor (TCR)-CD3 engagement in recovering the functions of cytotoxic T lymphocytes (CTL) from malignant effusion. Setting: National teaching hospital. Materials and methods: Effusion-associated lymphocytes (EAL) were isolated from 35 malignant pleural effusions. Interferon (IFN)-γ production, proliferative response, and cytolytic activity of the cultured EAL against autologous tumors and K-562 cells were measured. Results: It was found that EAL had a significantly depressed function. Stimulation with two signals, including IL-2 plus IL-7, IL-2 plus IL-12, or IL-2 plus TCR-CD3 engagement, could fully restore the functions of EAL, including IFN-γ production, proliferative response, and a specific increase in cytolytic activity against autologous tumor cells. IL-4 and IL-10, whether or not in combination with IL-2, did not augment the function of EAL, and even depressed it in some cases. The lymphocyte-depletion test showed that most of the recovered functions were from CD8+ CTL. Conclusion: The depressed cellular function of EAL could be reversed with double signal stimulation, including IL-2 plus IL-7, IL-2 plus IL-12, or IL-2 plus TCR-CD3 engagement. These recovered cellular functions were mainly from CD8+ CTL.

Original languageEnglish
Pages (from-to)1421-1427
Number of pages7
JournalChest
Volume122
Issue number4
DOIs
Publication statusPublished - Jan 1 2002
Externally publishedYes

Fingerprint

Interleukin-2
Lymphocytes
Interleukin-7
Neoplasms
Cytotoxic T-Lymphocytes
Interleukin-12
T-Cell Antigen Receptor
Interleukin-4
Interleukin-10
Interferons
Lymphocyte Depletion
Malignant Pleural Effusion
Teaching Hospitals

Keywords

  • Interferon-γ
  • Interleukin-12
  • Interleukin-7
  • Lymphocyte function
  • Malignant pleural effusion

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine
  • Critical Care and Intensive Care Medicine
  • Cardiology and Cardiovascular Medicine

Cite this

Double signal stimulation was required for full recovery of the autologous tumor-killing effect of effusion-associated lymphocytes. / Chen, Yuh Min; Tsai, Chun Ming; Jacqueline, Whang Peng; Perng, Reury Perng.

In: Chest, Vol. 122, No. 4, 01.01.2002, p. 1421-1427.

Research output: Contribution to journalArticle

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