Journal
METHODS
Volume 38, Issue 4, Pages 331-341Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ymeth.2005.11.012
Keywords
microdialysis; cytokines; extraction efficiency; calibration
Funding
- NIBIB NIH HHS [EB 00141] Funding Source: Medline
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Microdialysis sampling is a well-known method for collection of low molecular weight hydrophilic analytes. Due to the success of this sampling technique for these analytes, many researchers have wanted to extend the use of this method to a wider range of analytes-particularly proteins and peptides. These analytes pose unique challenges during microdialysis sampling. The primary challenges are the reduced recovery across the dialysis semi-permeable membrane and the volume limitations/requirements for the typical immunoassay methods used for detection of proteins. This review covers the practical and theoretical aspects needed for in vivo microdialysis sampling of cytokines, which are a vitally important class of signaling proteins. In addition to the basics of the microdialysis method for sampling cytokines, the use of the microdialysis device as a localized cytokine delivery method is also described. Since relative recovery of cytokines is often low during microdialysis sampling, methods to improve the membrane recovery are discussed for in vitro and in vivo applications. (c) 2006 Elsevier Inc. All rielits reserved.
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