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MRI of intravenously injected bone marrow cells homing to the site of injured arteries.

MRI of intravenously injected bone marrow cells homing to the site of injured arteries. Research Abstract Details 

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  • MRI of intravenously injected bone marrow cells homing to the site of injured arteries. Abstract Text:

    fabao gaoFabao Gao,sourav karSourav Kar,jiangyang zhangJiangyang Zhang,bensheng qiuBensheng Qiu,piotr walczakPiotr Walczak,malika larabiMalika Larabi,rong xueRong Xue,emma frostEmma Frost,zhiping qianZhiping Qian,jeff w m bulteJeff W M Bulte,xiaoming yangXiaoming Yang,

    The aim of this study was to test the feasibility of using MRI to detect magnetically labeled, intravenously injected bone marrow (BM) cells homing to injured arteries. In the first phase, BM cells from LacZ-transgenic or green fluorescent protein (GFP)-transgenic mice were transplanted into eight recipient mice. The left femoral arteries of recipient mice were injured using a cuff-constriction or endothelium-damage approach, and the right femoral arteries were uninjured to serve as controls. The location and distribution of migrated LacZ-BM or GFP-BM cells were confirmed with histology. In the second phase, BM-derived cells from LacZ-transgenic mice were labeled with superparamagnetic iron oxide (Feridex) and then transplanted into eight recipient mice with cuff-induced injuries in the left femoral arteries. Migrated Feridex/LacZ-BM cells were monitored in vivo using a 4.7 T MR scanner. Subsequently, high-resolution ex vivo MRI was performed on 9.4 T and 11.7 T. LacZ-positive or GFP-positive cells in the thickened adventitia of the injured arteries were evident on histology. Both in vivo and ex vivo MRI showed larger regions of hypointensity with Feridex-labeled cells at the sites of the injured arteries compared with control arteries (P < 0.01). This study provides initial evidence that may support the potential use of MRI to detect homing of intravenously injected BM cells to injured arteries.

    MRI of intravenously injected bone marrow cells homing to the site of injured arteries. Publishing Authors By Initials

    f gaoF Gao,s karS Kar,j zhangJ Zhang,b qiuB Qiu,p walczakP Walczak,m larabiM Larabi,r xueR Xue,e frostE Frost,z qianZ Qian,jw bulteJW Bulte,x yangX Yang,

    For similar abstracts research abstracts see: abstracts research

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    MRI of intravenously injected bone marrow cells homing to the site of injured arteries. Journal Published:

    PUBLICATION TYPE: Research Support, N.I.H., Extr

    Journal: NMR in biomedicine

    VOLUME: 20

    Page Numbers: 673-81

    Journal Abbreviation:

    ISSN: 0952-3480

    DAY: 31

    MONTH: Nov

    YEAR: 2007

    MRI of intravenously injected bone marrow cells homing to the site of injured arteries. Information

    Number of References:

    LANGUAGE: eng

    NlmUniqueID: 8915233

    MRI of intravenously injected bone marrow cells homing to the site of injured arteries. Keywords Mesh Terms:

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    Chemical & Substance for Abstract: MRI of intravenously injected bone marrow cells homing to the site of injured arteries. Information

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    Grant and Affiliation Information for MRI of intravenously injected bone marrow cells homing to the site of injured arteries.

    AFFILIATION: The Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD, USA.

    Country: England

    England Research PublicationEngland Research Publication

    AGENCY: United States NINDS

    GRANT: NS045062

    ACRONYM: NS

    MEDLINETA: NMR Biomed

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