Effects of asbestos fibers on human cytotoxic T cells

Naoko Kumagai-Takei, Yasumitsu Nishimura, Hidenori Matsuzaki, Megumi Maeda, Suni Lee, Kei Yoshitome, Takemi Otsuki

Research output: Chapter in Book/Report/Conference proceedingChapter

4 Citations (Scopus)

Abstract

The immunological effects of asbestos have been demonstrated and include reduction of antitumor immunity such as the reduction of natural killer (NK) cell activity with decreased expression of NK cell-activating receptor, NKp46, as well as reduced expression of CXCR3, chemokine receptor, and interferon (IFN)-γ in CD4+ T cells. In this review, the effects of asbestos as demonstrated by our investigations on the cellular characteristics and functions of cytotoxic T lymphocytes (CTLs) differentiated from CD8+ T cells are shown and discussed. Experiments involving in vitro exposure of chrysotile asbestos onto a mixed lymphocyte reaction (MLR) assay to estimate clonal expansion (proliferation and differentiation) of CD8+ T cells revealed the inhibition of both proliferation and differentiation. These results should be interpreted as the impairment of CTL differentiation in the lymph nodes, where asbestos fibers are located continuously in asbestos-exposed people. In addition, analyses of cellular functions in asbestos-exposed patients with pleural plaque (PP) and malignant mesothelioma (MM) are discussed. PP patients showed an increase in effector memory CD8+ T cells compared to healthy donors or MM patients. Furthermore, MM patients showed a decrease in perforin-expressing CD8+ T cells. These results indicated that although asbestos-exposed individuals are ready to respond with transformed cells, CTLs may lose their function once mesothelioma progresses.

Original languageEnglish
Title of host publicationBiological Effects of Fibrous and Particulate Substances
PublisherSpringer Japan
Pages211-221
Number of pages11
ISBN (Print)9784431557326, 9784431557319
DOIs
Publication statusPublished - Oct 26 2015

Fingerprint

Asbestos
T-Lymphocytes
Cytotoxic T-Lymphocytes
CXCR3 Receptors
Serpentine Asbestos
Natural Killer Cell Receptors
Perforin
Mixed Lymphocyte Culture Test
Chemokine Receptors
Mesothelioma
Natural Killer Cells
Interferons
Immunity
Lymph Nodes
Tissue Donors
Malignant Mesothelioma

Keywords

  • Asbestos
  • CTL (cytotoxic T cell)
  • Interferon γ
  • Malignant mesothelioma
  • Perforin
  • Pleural plaque

ASJC Scopus subject areas

  • Pharmacology, Toxicology and Pharmaceutics(all)
  • Medicine(all)
  • Immunology and Microbiology(all)

Cite this

Kumagai-Takei, N., Nishimura, Y., Matsuzaki, H., Maeda, M., Lee, S., Yoshitome, K., & Otsuki, T. (2015). Effects of asbestos fibers on human cytotoxic T cells. In Biological Effects of Fibrous and Particulate Substances (pp. 211-221). Springer Japan. https://doi.org/10.1007/978-4-431-55732-6_12

Effects of asbestos fibers on human cytotoxic T cells. / Kumagai-Takei, Naoko; Nishimura, Yasumitsu; Matsuzaki, Hidenori; Maeda, Megumi; Lee, Suni; Yoshitome, Kei; Otsuki, Takemi.

Biological Effects of Fibrous and Particulate Substances. Springer Japan, 2015. p. 211-221.

Research output: Chapter in Book/Report/Conference proceedingChapter

Kumagai-Takei, N, Nishimura, Y, Matsuzaki, H, Maeda, M, Lee, S, Yoshitome, K & Otsuki, T 2015, Effects of asbestos fibers on human cytotoxic T cells. in Biological Effects of Fibrous and Particulate Substances. Springer Japan, pp. 211-221. https://doi.org/10.1007/978-4-431-55732-6_12
Kumagai-Takei N, Nishimura Y, Matsuzaki H, Maeda M, Lee S, Yoshitome K et al. Effects of asbestos fibers on human cytotoxic T cells. In Biological Effects of Fibrous and Particulate Substances. Springer Japan. 2015. p. 211-221 https://doi.org/10.1007/978-4-431-55732-6_12
Kumagai-Takei, Naoko ; Nishimura, Yasumitsu ; Matsuzaki, Hidenori ; Maeda, Megumi ; Lee, Suni ; Yoshitome, Kei ; Otsuki, Takemi. / Effects of asbestos fibers on human cytotoxic T cells. Biological Effects of Fibrous and Particulate Substances. Springer Japan, 2015. pp. 211-221
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