RE: microparticles

From: McCoy, J. Philip (NIH/NHLBI) (mccoyj@NHLBI.NIH.GOV)
Date: Tue Nov 18 2003 - 16:09:23 EST


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I would use fluorochrome-labelled CD31 or CD146 and use fluorescence to
separate the HUVEC microparticles from debris
Phil

J. Philip McCoy, Jr., Ph.D. 
Director of the Flow Cytometry Core Facility 
NHLBI - NIH 
Bldg 10, Rm 4A07 
10 Center Dr., MSC 1357 
Bethesda, MD 20892 

-----Original Message-----
From: Campbell, Hope [mailto:HMCampbell@bcsew.edu]
Sent: Monday, November 17, 2003 5:43 PM
To: cyto-inbox
Subject: microparticles


HI All-
I have a question regarding the detection of microparticles on a LSRII or a
FACScan.   I have a user who is working with HUVEC microparticles(MPs).  The
size of the MP's are about 1 um in diameter.  When we run his samples on the
cytometer, FSC, SSC, and FL1 are in log. There is a broad population in the
FSC, SSC dot plot, but I am unsure if I am gating debris with the MPs or if
the sample was prepared incorrectly because there is no major histogram
shift in FL1.  I'm  new to flow so my inexperience could be to blame.  If
anyone has worked with microparticles and can offer some cytometer set up
suggestions or help me discern debris from MPs, I would appreciate the help.

Thank you
----
Hope Campbell
Blood Research Institute 
Blood Center of SE Wisconsin
414-937-3843


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