High VEGF with rapid growth and early metastasis in a mouse osteosarcoma model.

High VEGF with rapid growth and early metastasis in a mouse osteosarcoma model. Research Abstract Details 

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High VEGF with rapid growth and early metastasis in a mouse osteosarcoma model. Abstract Text:

Shang-You Yang,Haiying Yu,Jeffrey E Krygier,Paul H Wooley,Michael P Mott,

A murine model of osteosarcoma was developed to investigate the association between the expression of VEGF and the progression of osteosarcoma. Two human osteosarcoma cell lines with distinct VEGF expressions were introduced into proximal tibiae of immuno-deficient SCID mice, either by direct injection through the cortical bone or surgical exposing and drilling on the tibial metaphysis to seed tumor cells. Bone tumors were obvious on microCT within 4 weeks following osteosarcoma cell inoculation through surgical delivery. In contrast, direct injection without drilling often resulted in periosteal tumors. Although neoplasms were developed regardless of VEGF levels, orthotopic tumors derived from high VEGF-expressing cells were detected 2 weeks earlier on CT images than the ones from VEGF negative cells. At sacrifice, high VEGF tumors were distinctively larger in size and more frequently invaded the adjacent bone tissue. Multiple metastatic lesions were found in all the lung tissues at 8 weeks from high VEGF group, whereas only 1 of 7 VEGF negative tumors exhibited pulmonary metastasis. Overall, this model developed with the surgical tumor cell delivery results in histological and radiographic features more consistent with primary osteosarcoma. Interestingly, VEGF expression correlates with the early establishment, rapid tumor growth, and the development of pulmonary metastasis.

High VEGF with rapid growth and early metastasis in a mouse osteosarcoma model. Publishing Authors By Initials

SY Yang,H Yu,JE Krygier,PH Wooley,MP Mott,

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High VEGF with rapid growth and early metastasis in a mouse osteosarcoma model. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Sarcoma

VOLUME: 2007

Page Numbers: 95628

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ISSN: 1357-714X

DAY: 15

MONTH: 02

YEAR: 2007

High VEGF with rapid growth and early metastasis in a mouse osteosarcoma model. Information

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LANGUAGE: eng

NlmUniqueID: 9709257

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Grant and Affiliation Information for High VEGF with rapid growth and early metastasis in a mouse osteosarcoma model.

AFFILIATION: Department of Orthopaedic Surgery, Wayne State University, Detroit, MI 48201, USA.

Country: Egypt

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MEDLINETA: Sarcoma

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