M-CSF transgenic mice: role of M-CSF in infection and autoimmunity.

M-CSF transgenic mice: role of M-CSF in infection and autoimmunity.
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M-CSF 转基因小鼠:M-CSF 在感染和自身免疫中的作用。

DOI:
10.1078/0940-2993-00172
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发表时间:
2001
期刊:
Experimental and toxicologic pathology : official journal of the Gesellschaft fur Toxikologische Pathologie
影响因子:
--
通讯作者:
A. Emmendörffer
A. Emmendörffer
中科院分区:
--
文献类型:
--
作者:
T. Bernier;R. Halter;D. Pau;S. Rittinghausen;A. Emmendörffer

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In this study, transgenic CD2F1 mouse lines (C-1.1-C-1.11) bearing a transgene encoding the murine growth factor M-CSF under the control of the liver specific alpha-1-antitrypsin gene promoter were generated. Transgenic C-1.4 mice showed elevated expression of transgene-encoded M-CSF in the liver and displayed a 2-3-fold increase of M-CSF plasma levels and of macrophage numbers in the liver as compared with non-transgenic littermates. M-CSF transgenic mice showed increased resistance against sublethal i.v. infections with Listeria monocytogenes as compared with infected non-transgenic mice. To investigate the influence of M-CSF in murine systemic lupus erythematosus (SLE), the M-CSF transgenic mouse line C-1.4 was bred into the genetic background of SLE-prone MRL+/+ mice. The resulting C-1.4/MRL transgenic mice bearing increased endogenous M-CSF levels showed consistently lower levels of anti-ss-DNA autoantibodies as compared with non-transgenic MRL+/+ mice. The life span of the C- 1.4/MRL transgenic mice and the severity of the disease in these mice remained unchanged as compared with their non-transgenic littermates. It is concluded that in addition to M-CSF further factors must be involved in the acceleration of the autoimmune disease in SLE prone MRL/lpr mice.
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