Hemodynamic measurements from individual blood cells in early mammalian embryos with Doppler swept source OCT.
Hemodynamic measurements from individual blood cells in early mammalian embryos with Doppler swept source OCT.
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DOI:
10.1364/ol.34.000986
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发表时间:
2009-04-01
期刊:
影响因子:
3.6
通讯作者:
Larin KV
中科院分区:
文献类型:
--
作者:
Larina IV;Ivers S;Syed S;Dickinson ME;Larin KV
The most common and lethal birth defects affect the cardiovascular (CV) system. The mouse is a superior model for identifying and understanding mammalian CV birth defects, but there is a great need for tools that can detect early and subtle deficiencies in cardiac function in mouse embryos. We combined swept source optical coherence tomography (SS-OCT) with live mouse embryo culture protocols to generate structural two-dimensional and three-dimensional imaging and hemodynamic measurements in a live 8.5 day embryo just a few hours after the beginning of a heartbeat. Our data show that individual circulating blood cells can be visualized with structural SS-OCT, and using Doppler SS-OCT the velocity of single moving blood cells were measured during different phases of the heartbeat cycle. These results demonstrate that Doppler SS-OCT is an extremely useful tool for structural and hemodynamic analysis at the earliest stages of mammalian blood circulation.
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10.1073/pnas.94.9.4256
发表时间:
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