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Keiko Hatanaka
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Journal Articles

Stat3 Activation in Donor CD4 T-Cells Is Critical for Acute Gvhd

Katsutoshi Ozaki, Haruko Matsu, MD, PhD, Keiko Hatanaka, Akiko Meguro, MD, PhD, Iekuni Oh, MD, PhD, Raine Tatara, MD, PhD, Takahiro Suzuki, Masaki Mori, M.D, Ph.D, Tadashi Nagai, MD, PhD, Kazuo Muroi, MD, PhD, Keiya Ozawa, M.D, Ph.D
Journal: Blood
Blood (2011) 118 (21): 1906.
https://doi.org/10.1182/blood.V118.21.1906.1906
Published: 2011
Journal Articles

Lack of IL-21 Signal Attenuates Graft-Versus-Leukemia Effect In the Absence of CD8 T-Cells.

Katsutoshi Ozaki, MD, PhD, Akiko Meguro, Keiko Hatanaka, Iekuni Oh, Haruko Matsu, Raine Tatara, Kazuya Sato, MD, Warren J Leonard, Keiya Ozawa, MD, PhD
Journal: Blood
Blood (2010) 116 (21): 3739.
https://doi.org/10.1182/blood.V116.21.3739.3739
Published: 2010
Journal Articles

Mesenchymal Stem Cells Inhibit Th17 Differentiation through PGE2 Production.

Raine Tatara, Katsutoshi Ozaki, Lekuni Oh, Keiko Hatanaka, Akiko Meguro, Haruko Matsu, Kazuya Sato, Tadashi Nagai, Kazuo Muroi, Keiya Ozawa
Journal: Blood
Blood (2009) 114 (22): 3633.
https://doi.org/10.1182/blood.V114.22.3633.3633
Published: 2009
Journal Articles

Blocking of IL-21 Signal Attenuates Graft-Versus-Host Disease but Not Graft-Versus-Leukemia Effect in a Mouse Model

Akiko Meguro, Katsutoshi Ozaki, Iekuni Oh, Haruko Matsu, Keiko Hatanaka, Raine Tatara, Warren J Leonard, Kazuya Sato, Keiya Ozawa
Journal: Blood
Blood (2008) 112 (11): 1248.
https://doi.org/10.1182/blood.V112.11.1248.1248
Published: 2008
Journal Articles

Hyaluronidase and IFN-γ from Activated T-Cells Are Key Mediators To Induce Immunosuppressive Activity of Mesenchymal Stem Cells.

Kazuya Sato, MD, PhD, Ozaki Katsutoshi, MD., PhD., Iekuni Oh, MD., PhD., Haruko Matsu, MD., Raine Tatara, MD., Akiko Meguro, MD., Keiko Hatanaka, Tadashi Nagai, MD., PhD., Kazuo Muroi, MD., PhD, Keiya Ozawa, MD., PhD
Journal: Blood
Blood (2007) 110 (11): 3246.
https://doi.org/10.1182/blood.V110.11.3246.3246
Published: 2007
Journal Articles

Mesenchymal Stem Cells Produce Nitric Oxide, a Key Molecule for T Cell Suppression, upon Interaction with Activated T Cells.

Kazuya Sato, MD, Katsutoshi Ozaki, MD, PhD, Iekuni Oh, MD, PhD, Akiko Meguro, MD, Reine Tatara, MD, Keiko Hatanaka, Tadashi Nagai, MD, PhD, Kazuo Muroi, MD, PhD, Keiya Ozawa, MD, PhD
Journal: Blood
Blood (2006) 108 (11): 2556.
https://doi.org/10.1182/blood.V108.11.2556.2556
Published: 2006
Journal Articles

Nitric oxide plays a critical role in suppression of T-cell proliferation by mesenchymal stem cells

Kazuya Sato, Katsutoshi Ozaki, Iekuni Oh, Akiko Meguro, Keiko Hatanaka, Tadashi Nagai, Kazuo Muroi, Keiya Ozawa
Journal: Blood
Blood (2006) 109 (1): 228–234.
https://doi.org/10.1182/blood-2006-02-002246
Published: 2006
Includes: Supplemental data
Journal Articles

Mesenchymal Stem Cells (MSCs) Suppress T Cell Proliferation by a Novel NO-stat5 Dependent Mechanism.

Kazuya Sato, MD, Katsutoshi Ozaki, MD, PhD, Iekuni Oh, MD, Keiko Hatanaka, Tadashi Nagai, MD, PhD, Kazuo Muroi, MD, PhD, Keiya Ozawa, MD, PhD
Journal: Blood
Blood (2005) 106 (11): 1393.
https://doi.org/10.1182/blood.V106.11.1393.1393
Published: 2005