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Cited by 171

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

Interleukin-12 is involved in the enhancement of human natural killer cell activity by Lactobacillus casei Shirota

Open access
Takeda, K, Suzuki, T, Shimada, S-I, Shida, K, Nanno, M, Okumura, K·2006·Clinical and Experimental Immunology

Abstract

Summary: We conducted a placebo-controlled, cross-over trial to examine the effect of Lactobacillus casei Shirota (LcS) on natural killer (NK) cell activity in humans. NK cell activity exhibited a declining trend during the period of placebo ingestion, but NK cell activity increased after intake for 3 weeks of fermented milk containing 4 × 1010 live LcS. When human peripheral blood mononuclear cells were cultured in the presence of heat-killed LcS, NK cell activity was enhanced. The ability of LcS to enhance NK cell activity and induce interleukin (IL)-12 production was correlated, and the addition of anti-IL-12 monoclonal antibody reduced the enhancement of NK cell activity triggered by LcS. In addition, separation of NK cells from LcS-stimulated monocytes with membrane filter reduced NK cell activity to the intermediate level and almost deprived monocytes of the ability to produce IL-12. These results demonstrate that LcS can enhance NK cell activity in vivo and in vitro in humans, and IL-12 may be responsible for enhancement of NK cell activity triggered by LcS.

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Crossref · 10.1111/j.1365-2249.2006.03165.x

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Metadata

Authors
Takeda, K., Suzuki, T., Shimada, S.-I., Shida, K., Nanno, M., & Okumura, K.
Venue
Clinical and Experimental Immunology
Published
2006-08-16
Volume
146
Issue
1
Pages
109-115
ISSN
  • 0009-9104 (ISSN-L)
  • 1365-2249
OpenAlex
W2016840712
Cited by
171
References
1
FWCI
7.72
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Interleukin-12 is involved in the enhancement of human natural killer cell activity by Lactobacillus casei Shirota. https://app.cochat.ai/papers/10.1111/j.1365-2249.2006.03165.x
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Takeda, K., Suzuki, T., Shimada, S.-I., Shida, K., Nanno, M., & Okumura, K. (2006). Interleukin-12 is involved in the enhancement of human natural killer cell activity by Lactobacillus casei Shirota. Clinical and Experimental Immunology. https://doi.org/10.1111/j.1365-2249.2006.03165.x

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