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Tissue engineering, imaging neuronal circuits featured in Cold Spring Harbor Protocols
Date:4/1/2010

COLD SPRING HARBOR, N.Y. (Thurs., April 1, 2010) The goal of tissue engineering is to recapitulate healthy human organs and tissue structures in culture, and then transplant them into patients, where they are fully integrated. This is a complicated process, and the use of high-throughput imaging systems that allow researchers to directly monitor transplanted tissues in live animals over time is important for improving the culturing and implantation techniques, as well as the design of artificial tissue scaffolds. By using transgenic animals with cell-specific fluorescent reporters, parameters such as tissue perfusion, donor cell survival, and donor-host cell interaction/integration can be observed. In the April issue of Cold Spring Harbor Protocols (http://www.cshprotocols.org/TOCs/toc4_10.dtl), Mary Dickinson and colleagues from the Baylor College of Medicine (http://www.bcm.edu/star/?PMID=3157) present a protocol for the use of "The Mouse Cornea as a Transplantation Site for Live Imaging of Engineered Tissue Constructs." This is a modified version of the classical corneal micropocket angiogenesis assay, which employs it as a live imaging "window" to monitor angiogenic hydrogel tissue constructs. As one of April's featured articles, it is freely available on the journal's website (http://cshprotocols.cshlp.org/cgi/content/full/2010/4/pdb.prot5416).

Neurons are organized into anatomical and functional groups called "circuits". The activity of these circuits is traditionally monitored using conventional electrophysiological techniques. But some cells, such as the submandibular ganglia, are difficult to impale for intracellular recordings. Instead, viral vectors can be used to deliver fluorescent calcium sensors for detecting activity in a living ani
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Contact: David Crotty
crotty@cshl.edu
516-422-4007
Cold Spring Harbor Laboratory
Source:Eurekalert

Page: 1 2

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