Establishment of a novel method of screening anti-Allergic lactic acid bacteria

Keishi Kadooka, Asuka Imahayashi, Ayaka Koiso, Makiko Yamashita, Kiichiro Teruya, Takashi Matsumoto, Takanori Hasegawa, Fumiki Morimatsu, Yoshinori Katakura

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In this study, we attempted to establish a novel method of screening anti-allergic lactic acid bacteria (LAB). We cloned the human histidine decarboxylase (HDC) promoter into the promoter-less pPhi-Yellow-RPL-dest1 vector and established KU812F cells transduced with this vector (pHDCp-Phi-Yellow/ KU812F). After adding LAB to these cells, the change in fluorescence intensity was monitored by flow cytometry. After screening, we identified several LAB strains that downregulated HDC promoter activity. Functional analysis of these LAB strains indicated that two LAB strains inhibited histamine release from KU812F cells, indicating that this assay system can be used to screen for anti-allergic LAB in a high-throughput manner.

元の言語英語
ページ(範囲)1016-1018
ページ数3
ジャーナルBioscience, Biotechnology and Biochemistry
75
発行部数5
DOI
出版物ステータス出版済み - 6 6 2011

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Biochemistry
  • Molecular Biology
  • Applied Microbiology and Biotechnology
  • Analytical Chemistry
  • Organic Chemistry

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    Kadooka, K., Imahayashi, A., Koiso, A., Yamashita, M., Teruya, K., Matsumoto, T., Hasegawa, T., Morimatsu, F., & Katakura, Y. (2011). Establishment of a novel method of screening anti-Allergic lactic acid bacteria. Bioscience, Biotechnology and Biochemistry, 75(5), 1016-1018. https://doi.org/10.1271/bbb.110069