Chronic in vivo imaging in the mouse spinal cord using an implanted chamber.
Chronic in vivo imaging in the mouse spinal cord using an implanted chamber.
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DOI:
10.1038/nmeth.1856
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发表时间:
2012-01-22
期刊:
影响因子:
48
通讯作者:
Schaffer, Chris B.
中科院分区:
文献类型:
--
作者:
Farrar, Matthew J.;Bernstein, Ida M.;Schlafer, Donald H.;Cleland, Thomas A.;Fetcho, Joseph R.;Schaffer, Chris B.
Understanding and treatment of spinal cord pathology is limited in part by a lack of longitudinal in vivo imaging strategies at the cellular level. We developed a chronically implanted spinal chamber and surgical procedure suitable for time-lapse in vivo multiphoton microscopy of mouse spinal cord without the need for repeat surgical procedures. Repeated imaging was routinely achieved for more than five weeks post-operatively with up to ten separate imaging sessions. We observed neither motor function deficit nor neuropathology in the spinal cord as a result of chamber implantation. Using this chamber we quantified microglia and afferent axon dynamics following a laser-induced spinal cord lesion and observed massive microglia infiltration within one day along with a heterogeneous dieback of axon stumps. By enabling chronic imaging studies over timescales ranging from minutes to months, our method offers an ideal platform for understanding cellular dynamics in response to injury and therapeutic interventions.
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DOI:
10.1073/pnas.0900222106
发表时间:
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影响因子:
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通讯作者:
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