Multipotent human mesenchymal stromal cells mediate expansion of myeloid-derived suppressor cells via hepatocyte growth factor/c-Met and STAT3

B. Linju Yen, Men Luh Yen, Pei Ju Hsu, Ko Jiunn Liu, Chia Jen Wang, Chyi Huey Bai, Huey Kang Sytwu

研究成果: 雜誌貢獻文章

61 引文 (Scopus)

摘要

Mesenchymal stromal cells (MSCs) are multilineage progenitors with immunomodulatory properties, including expansion of immunomodulatory leukocytes such as regulatory T lymphocytes (Tregs) and tolerogenic dendritic cells. We report that human MSCs can expand CD14-CD11b+CD33 + human myeloid-derived suppressor cells (MDSCs). MSC-expanded MDSCs suppress allogeneic lymphocyte proliferation, express arginase-1 and inducible nitric oxide synthase, and increase the number of Tregs. This expansion occurs through the secretion of hepatocyte growth factor (HGF), with effects replicated by adding HGF singly and abrogated by HGF knockdown in MSCs. In wild-type mice, the liver, which secretes high levels of HGF, contains high numbers of Gr-1+CD11b+ MDSCs, and injection of HGF into mice significantly increases the number of MDSCs. Expansion of MDSCs by MSC-secreted HGF involves c-Met (its receptor) and downstream phosphorylation of STAT3, a key factor in MDSC expansion. Our data further support the strong immunomodulatory nature of MSCs and demonstrate the role of HGF, a mitogenic molecule, in the expansion of MDSCs.

原文英語
頁(從 - 到)139-151
頁數13
期刊Stem Cell Reports
1
發行號2
DOIs
出版狀態已發佈 - 2013

指紋

Hepatocyte Growth Factor
Mesenchymal Stromal Cells
Arginase
Phosphorylation
T-cells
Lymphocytes
Nitric Oxide Synthase Type II
Regulatory T-Lymphocytes
Myeloid-Derived Suppressor Cells
Liver
Dendritic Cells
Leukocytes
Injections
Molecules

ASJC Scopus subject areas

  • Biochemistry
  • Cell Biology
  • Developmental Biology
  • Genetics
  • Medicine(all)

引用此文

Multipotent human mesenchymal stromal cells mediate expansion of myeloid-derived suppressor cells via hepatocyte growth factor/c-Met and STAT3. / Yen, B. Linju; Yen, Men Luh; Hsu, Pei Ju; Liu, Ko Jiunn; Wang, Chia Jen; Bai, Chyi Huey; Sytwu, Huey Kang.

於: Stem Cell Reports, 卷 1, 編號 2, 2013, p. 139-151.

研究成果: 雜誌貢獻文章

Yen, B. Linju ; Yen, Men Luh ; Hsu, Pei Ju ; Liu, Ko Jiunn ; Wang, Chia Jen ; Bai, Chyi Huey ; Sytwu, Huey Kang. / Multipotent human mesenchymal stromal cells mediate expansion of myeloid-derived suppressor cells via hepatocyte growth factor/c-Met and STAT3. 於: Stem Cell Reports. 2013 ; 卷 1, 編號 2. 頁 139-151.
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abstract = "Mesenchymal stromal cells (MSCs) are multilineage progenitors with immunomodulatory properties, including expansion of immunomodulatory leukocytes such as regulatory T lymphocytes (Tregs) and tolerogenic dendritic cells. We report that human MSCs can expand CD14-CD11b+CD33 + human myeloid-derived suppressor cells (MDSCs). MSC-expanded MDSCs suppress allogeneic lymphocyte proliferation, express arginase-1 and inducible nitric oxide synthase, and increase the number of Tregs. This expansion occurs through the secretion of hepatocyte growth factor (HGF), with effects replicated by adding HGF singly and abrogated by HGF knockdown in MSCs. In wild-type mice, the liver, which secretes high levels of HGF, contains high numbers of Gr-1+CD11b+ MDSCs, and injection of HGF into mice significantly increases the number of MDSCs. Expansion of MDSCs by MSC-secreted HGF involves c-Met (its receptor) and downstream phosphorylation of STAT3, a key factor in MDSC expansion. Our data further support the strong immunomodulatory nature of MSCs and demonstrate the role of HGF, a mitogenic molecule, in the expansion of MDSCs.",
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AU - Wang, Chia Jen

AU - Bai, Chyi Huey

AU - Sytwu, Huey Kang

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