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Journal of Pharmacology and Experimental Therapeutics

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Research ArticleGASTROINTESTINAL, HEPATIC, PULMONARY, AND RENAL

Topical Implantation of Mesenchymal Stem Cells Has Beneficial Effects on Healing of Experimental Colitis in Rats

Yujiro Hayashi, Shingo Tsuji, Masahiko Tsujii, Tsutomu Nishida, Shuji Ishii, Hideki Iijima, Toru Nakamura, Hiroshi Eguchi, Eiji Miyoshi, Norio Hayashi and Sunao Kawano
Journal of Pharmacology and Experimental Therapeutics August 2008, 326 (2) 523-531; DOI: https://doi.org/10.1124/jpet.108.137083
Yujiro Hayashi
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Shingo Tsuji
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Masahiko Tsujii
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Tsutomu Nishida
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Shuji Ishii
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Hideki Iijima
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Toru Nakamura
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Hiroshi Eguchi
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Eiji Miyoshi
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Norio Hayashi
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Sunao Kawano
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Abstract

Mesenchymal stem cells (MSCs) are attractive cell sources in regenerative medicine. We examined the effects of topical MSCs implantation on an experimental model of inflammatory bowel disease. Putative MSCs, isolated from bone marrow aspirates of male rats by dish adherence and expanded in vitro, were characterized by flow cytometry, reverse transcription-polymerase chain reaction, enzyme-linked immunosorbent assay, and differentiation assays. Experimental colitis was induced by intraluminal instillation of 2,4,6-trinitrobonzene sulfonic acid (TNBS) in the colons of male rats. The putative MSCs and unselected fresh bone marrow cells were injected into the colonic submucosa surrounding the area exposed to TNBS. The healing process of the injury was examined macroscopically and immunohistologically. Multipotent MSCs positive for CD29 and CD90, and negative for CD31 and CD34, were implanted into colon tissue surrounding the lesion; a majority of the engrafted cells were positive for vimentin. The implantation significantly accelerated healing of the damaged mucosa compared with vehicle-injected controls. The MSCs expressed vascular endothelial growth factor (VEGF) and transforming growth factor (TGF)-β1 in vitro and after the implantation. In conclusion, we found that MSCs were successfully topically implanted in the colon and that they were associated with accelerated healing of TNBS-induced colitis. The beneficial effects of the MSCs might be mediated, at least in part, by their ability to differentiate into colonic interstitial cells and by their ability to provide VEGF and TGF-β1 to the injured area.

Footnotes

  • Article, publication date, and citation information can be found at http://jpet.aspetjournals.org.

  • doi:10.1124/jpet.108.137083.

  • ABBREVIATIONS: IBD, inflammatory bowel disease; IL, interleukin; MSC, mesenchymal stem cell; BMC, bone marrow-derived cell; PBS, phosphate-buffered saline; α-SMA, α-smooth muscle actin; RT-PCR, reverse transcription-polymerase chain reaction; GAPDH, glyceraldehyde-3-phosphate dehydrogenase; VEGF, vascular endothelial growth factor; TGF, transforming growth factor; ELISA, enzyme-linked immunosorbent assay; TNBS, 2,4,6-trinitrobenzene sulfonic acid; DAPI, 4′,6-diamidino-2-phenylindole.

    • Received January 23, 2008.
    • Accepted April 29, 2008.
  • The American Society for Pharmacology and Experimental Therapeutics
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Journal of Pharmacology and Experimental Therapeutics: 326 (2)
Journal of Pharmacology and Experimental Therapeutics
Vol. 326, Issue 2
1 Aug 2008
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Research ArticleGASTROINTESTINAL, HEPATIC, PULMONARY, AND RENAL

Topical Implantation of Mesenchymal Stem Cells Has Beneficial Effects on Healing of Experimental Colitis in Rats

Yujiro Hayashi, Shingo Tsuji, Masahiko Tsujii, Tsutomu Nishida, Shuji Ishii, Hideki Iijima, Toru Nakamura, Hiroshi Eguchi, Eiji Miyoshi, Norio Hayashi and Sunao Kawano
Journal of Pharmacology and Experimental Therapeutics August 1, 2008, 326 (2) 523-531; DOI: https://doi.org/10.1124/jpet.108.137083

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Research ArticleGASTROINTESTINAL, HEPATIC, PULMONARY, AND RENAL

Topical Implantation of Mesenchymal Stem Cells Has Beneficial Effects on Healing of Experimental Colitis in Rats

Yujiro Hayashi, Shingo Tsuji, Masahiko Tsujii, Tsutomu Nishida, Shuji Ishii, Hideki Iijima, Toru Nakamura, Hiroshi Eguchi, Eiji Miyoshi, Norio Hayashi and Sunao Kawano
Journal of Pharmacology and Experimental Therapeutics August 1, 2008, 326 (2) 523-531; DOI: https://doi.org/10.1124/jpet.108.137083
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