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HCV RNA from serum

Alejandro Palacios F. japalaci at cariari.ucr.ac.cr
Sat Nov 25 15:40:11 EST 1995

I think Stapleton et al. have described a new method for extracting RNA 
of HCV form serum samples.  We are trying to use that procedure.

email me and I can give the name of the reference.

Alejandro Palacios           /  International Center for Medical  
japalaci at cariari.ucr.ac.cr   /  Research and Training (LSU-ICMRT) 

On 21 Nov 1995 SCHNEE at .MISSING-HOST-NAME. wrote:

> Hi,
> we extracted RNA from whole human blood using a commercialy available reagent
> (Tri-BD (we think this is guanidiumthiocyanate and acidic phenol) from Molecular
> Research Center) and subjected this RNA to HCV specific RT-PCR. The results 
> were fine. When we used this extraction method with serum from the same blood
> sample, we noticed in repeated experiments a loss of sensitivity in detecting
> HCV RNA. At the moment, we don't have any explanation for this problem.
> Does anyone else know this problem or has anyone a solution for it?
> Can anyone recommend another, maybe better extraction procedure for viral RNA
> from serum?
> Thanks, Christian Schneeberger (University Hospital Vienna, FAX +43-1-40400-7832)

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