Propionibacterium acnes acts as an adjuvant in in vitro immunization of human peripheral blood mononuclear cells

Suk Jung Yeon, Shin Ei Matsumoto, Makiko Yamashita, Kosuke Tomimatsu, Kiichiro Teruya, Yoshinori Katakura, Sanetaka Shirahata

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

We have established an in vitro immunization protocol whereby human peripheral blood mononuclear cells (PBMCs) are initially treated with L-leucyl-L-leucine methyl ester (LLME) and subsequently sensitized with antigen in the presence of interleukin (IL)-2, IL-4, and adjuvant. This protocol resulted in the production of antigen-specific antibodies. PBMCs are potentiated to react with exogenous antigens upon treatment with LLME. We are using this system to investigate the immunomodulatory activity of additives. In the present study, we aimed to evaluate the immunomodulatory activity of Propionibacterium acnes (P. acnes), which is known to exhibit various immunomodulatory effects in murine models, using this in vitro immunization protocol. P. acnes was found to augment the production of antigen-specific antibodies by PBMC, possibly through increased production of inflammatory cytokines and/or increased T-B cell interaction. P. acnes hence appears to act as an adjuvant in the antibody response in in vitro immunization.

Original languageEnglish
Pages (from-to)1963-1969
Number of pages7
JournalBioscience, Biotechnology and Biochemistry
Volume71
Issue number8
DOIs
Publication statusPublished - Nov 21 2007

Fingerprint

Propionibacterium acnes
Immunization
Antigens
mononuclear leukocytes
adjuvants
Blood Cells
immunization
Blood
Antibodies
antigens
leucine
antibodies
Esters
leucylleucine
esters
interleukin-4
interleukin-2
Leucine
Cell Communication
Interleukin-4

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Biotechnology
  • Biochemistry
  • Biochemistry, Genetics and Molecular Biology(all)
  • Chemistry (miscellaneous)
  • Applied Microbiology and Biotechnology
  • Food Science

Cite this

Propionibacterium acnes acts as an adjuvant in in vitro immunization of human peripheral blood mononuclear cells. / Yeon, Suk Jung; Matsumoto, Shin Ei; Yamashita, Makiko; Tomimatsu, Kosuke; Teruya, Kiichiro; Katakura, Yoshinori; Shirahata, Sanetaka.

In: Bioscience, Biotechnology and Biochemistry, Vol. 71, No. 8, 21.11.2007, p. 1963-1969.

Research output: Contribution to journalArticle

Yeon, Suk Jung ; Matsumoto, Shin Ei ; Yamashita, Makiko ; Tomimatsu, Kosuke ; Teruya, Kiichiro ; Katakura, Yoshinori ; Shirahata, Sanetaka. / Propionibacterium acnes acts as an adjuvant in in vitro immunization of human peripheral blood mononuclear cells. In: Bioscience, Biotechnology and Biochemistry. 2007 ; Vol. 71, No. 8. pp. 1963-1969.
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