2012 Fiscal Year Final Research Report
Roles of VEGF type 1 receptor signaling in pathologicalangiogenesis/lymphangiogenesis
Project/Area Number |
21390072
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Research Category |
Grant-in-Aid for Scientific Research (B)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
General pharmacology
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Research Institution | Kitasato University |
Principal Investigator |
|
Co-Investigator(Kenkyū-buntansha) |
FUJITA Tomoe 北里大学, 医学部, 講師 (20296510)
KAWAMURA Michiko 北里大学, 医学部, 助教 (00154104)
AMANO Hideki 北里大学, 医学部, 講師 (60296481)
SUZUKI Tatsunori 北里大学, 医学部, 助教 (70406940)
KITASATO Hidero 北里大学, 医療衛生学部, 教授 (90195256)
|
Project Period (FY) |
2009 – 2012
|
Keywords | 血管新生 / リンパ管新生 / VEGF / 1 型受容体 / ノックアウトマウス / 病態モデル / Gene targeting / 骨髄由来細胞 |
Research Abstract |
Vascular endothelial growth factor (VEGF) is known as a major propangiogenic factor. VEGF has 3 receptors, namely VEGFR1 (Flt-1), VEGFR2 (Flk-1/KDR) and VEGFR3 (Flt-4). We had previously reported that the magnitude of cytokine-mediated release of SDF-1 from platelets and the recruitment of nonendothelial CXCR4+ VEGFR1+ hematopoietic progenitors, ‘hemangiocytes,’ constitute the major determinant of angiogenesis. We tested that Flt-1 Tyrosine Kinase (TK) signaling enhances angiogenesisby stimulating Stem Cell Factor (SCF) and MMP-9 by bone marrow stem cells. Blood flow recovery in TKKO was significantly delayed compared to WT. Compared to WT, plasma concentrations of SCF and pro-MMP9 were significantly reduced in TKKO. There was no significant difference between the concentrations of VEGF in both mice, but in TKKO, platelets-deposited microvascular density was significantly suppressed. These results suggested that the signaling of the Flt-1 is essential for recovering from acute ischemic conditions. Administration of selective VEGFR1 agonist may be useful to treat the ischemia, and may become a novel therapeutic strategy in regenerative cardiovascular medicine.
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[Journal Article] Thromboxane A_2 receptor signaling facilitates tumor colonization through P-selectin-mediated interaction of tumor cells with platelets and endothelial cells2012
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[Journal Article] Roles of prostaglandin E2-EP1 receptor signaling in regulation of gastric motor activity and emptying2010
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Volume: 299(5)
Pages: G1078-86
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[Journal Article] Role of microsomal prostaglandin E synthase-1 in the facilitation of angiogenesis and the healing of gastric ulcers2010
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Ae T, Ohno T, Hattori Y, Suzuki T, Hosono K, Minamino T, Sato T, Uematsu S, Akira S, Koizumi W, Majima M
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Am J Physiol Gastrointest Liver Physiol
Volume: 299(5)
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[Journal Article] mPGES-1-expressing bone marrow-derived cells enhance tumor growth and angiogenesis in mice2010
Author(s)
Kamata H, Hosono K, Suzuki T, Ogawa Y, Kubo H, Katoh H, Ito Y, Uematsu S, Akira S, Watanabe M, Majima M
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Biomed Pharmacother
Volume: 64(6)
Pages: 409-16
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[Journal Article] COX-2 and prostaglandin EP3/EP4 signaling regulate the tumor stromal proangiogenic microenvironment via CXCL12-CXCR4 chemokine systems2010
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Katoh H, Hosono K, Ito Y, Suzuki T, Ogawa Y, Kubo H, Kamata H, Mishima T, Tamaki H, Sakagami H, Sugimoto Y, Narumiya S, Watanabe M, Majima M
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Am J Pathol
Volume: 176(3)
Pages: 1469-83
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[Journal Article] Host prostaglandin EP3 receptor signaling relevant to tumor-associated lymphangiogenesis2010
Author(s)
Kubo H, Hosono K, Suzuki T, Ogawa Y,Kato H, Kamata H, Ito Y, Amano H, Kato T, Sakagami H, Hayashi I, Sugimoto Y, Narumiya S, Watanabe M, Majima M
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Journal Title
Biomed Pharmacother
Volume: 64(2)
Pages: 101-6
DOI
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[Journal Article] Recruited bone marrow cells expressing the EP3 prostaglandin E receptor subtype enhance angiogenesis during chronic inflammation2010
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Ueno T, Suzuki T, Oikawa A, Hosono K, Kosaka Y, Amano H, Kitasato H, Toda M, Hayashi I, Kato T, Ito Y, Sugimoto Y, Narumiya S, Okamoto H, Majima M
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Journal Title
Biomed Pharmacother
Volume: 64(2)
Pages: 93-100
DOI
Peer Reviewed
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[Journal Article] Microsomal prostaglandin E synthase-1 in both cancer cells and hosts contributes to tumour growth, invasion and metastasis2009
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Volume: 425(2)
Pages: 361-71
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[Journal Article] Roles of a prostaglandin E-type receptor, EP3, in upregulation of matrix metalloproteinase-9 and vascular endothelial growth factor during enhancement of tumor metastasis2009
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Pages: 2318-24
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[Journal Article] Bone marrow-derived EP3-expressing stromal cells enhance tumor-associated angiogenesis and tumor growth2009
Author(s)
Ogawa Y, Suzuki T, Oikawa A, Hosono K, Kubo H, Amano H, Ito Y, Kitasato H, Hayashi I, Kato T, Sugimoto Y, Narumiya S, Watanabe M. Majima M
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Volume: 382(4)
Pages: 720-5
DOI
Peer Reviewed
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