Suppression of inflammation by recombinant salmonella typhimurium harboring CCL22 MicroRNA

Won Suck Yoon, Seung Rel Ryu, Seung Seok Lee, Yang Seok Chae, Eun Jae Kim, Ji Hyun Choi, Sejin Oh, Se-Ho Park, Ji-Tae Choung, Young Yoo, Yong Keun Park

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Atopic dermatitis (AD) is an inflammatory, chronically relapsing, puritic skin disorder. These syndromes result from multifactorial inheritance, with interaction between genetic and environmental factors. In particular, the macrophage-derived chemokine CCL22 is directly implicated in skin inflammatory reactions and its levels are significantly elevated in serum and correlated with disease severity in AD. We tested the suppression of the CCL22 gene by microRNA (miRNA) and observed the effects in mice with inflammation similar to AD. We used Salmonella as a vector to deliver miRNA. The recombinant strain of Salmonella typhimurium expressing CCL22 miRNA (ST-miRCCL22) was prepared for in vivo knockdown of CCL22. ST-miRCCL22 was orally inoculated into mice and the CCL22 gene suppressed with CCL22 miRNA in the activated lymphocytes. IgE and interleukin-4 were inhibited and interferon-γ was induced after treatments with ST-miRCCL22 and CCL22 was suppressed. Further, Th17 cells were suppressed in the atopic mice treated with ST-miRCCL22. These results suggested that suppression of the CCL22 gene using Salmonella induced anti-inflammatory effects.

Original languageEnglish
Pages (from-to)289-296
Number of pages8
JournalDNA and Cell Biology
Volume31
Issue number3
DOIs
Publication statusPublished - 2012 Mar 1

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Salmonella typhimurium
MicroRNAs
Inflammation
Chemokine CCL22
Atopic Dermatitis
Salmonella
Multifactorial Inheritance
Genes
Th17 Cells
Skin
Interleukin-4
Interferons
Immunoglobulin E
Anti-Inflammatory Agents
Lymphocytes
Serum

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics
  • Cell Biology

Cite this

Suppression of inflammation by recombinant salmonella typhimurium harboring CCL22 MicroRNA. / Yoon, Won Suck; Ryu, Seung Rel; Lee, Seung Seok; Chae, Yang Seok; Kim, Eun Jae; Choi, Ji Hyun; Oh, Sejin; Park, Se-Ho; Choung, Ji-Tae; Yoo, Young; Park, Yong Keun.

In: DNA and Cell Biology, Vol. 31, No. 3, 01.03.2012, p. 289-296.

Research output: Contribution to journalArticle

Yoon, Won Suck ; Ryu, Seung Rel ; Lee, Seung Seok ; Chae, Yang Seok ; Kim, Eun Jae ; Choi, Ji Hyun ; Oh, Sejin ; Park, Se-Ho ; Choung, Ji-Tae ; Yoo, Young ; Park, Yong Keun. / Suppression of inflammation by recombinant salmonella typhimurium harboring CCL22 MicroRNA. In: DNA and Cell Biology. 2012 ; Vol. 31, No. 3. pp. 289-296.
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