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Biotech / Medical : Biotech News
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To: Icebrg who wrote (2673)10/31/2003 8:33:49 AM
From: Shawn Donahue  Read Replies (1) of 7143
 
Icebrg,

Human Cell lines
A story from the John Hopkins Journal on the background of the first permanent human cell line

And a very recent story on how stronger cell lines contaminate cell lines containing "weaker" cells.

Impostor cells are wrecking medical research

Your posting of these two negative articles on "Human Cell lines" where one is obviously old research and the other was not current for that month either, had we wondering your intent, until I saw that you posted two positive articles on why pharmaceutical companies should go to India, where patent infringement is a major concern for the pharmaceutical companies, and more importantly the ethical concerns of using fellow humans as guinea pigs, some or maybe even most; not even aware of the side effects or long term effects of these drugs, imho! :-(

I wrote to a company that I am invested in that develops proprietary liver cell lines that were evaluated and now being ordered by Pfizer and Roch, with positive results for screening drug candidates (Please see article MultiCell Cell Lines Introduced Worldwide as New Findings Expand Potential Use of MCT Technology biz.yahoo.com
Below is the response from EXTI/MultiCell:

I hope this helps!

Shawn

Subj: human cell lines
Date: 10/28/03 5:15:16 PM Eastern Standard Time
From: gszabo@exten.com (Greg Szabo)
To: xxxxxx@aol.com


Shawn,

I spoke with Ron about these negative articles on human cell lines and he told me its old news that labs working with hela cells have occasionally found that other cell lines get cross contaminated, especially for tumor cell
lines that grow very fast. This is why we have Standard Operating Procedures in place to prevent this;

1) we only work with human liver cells/hepatocytes
2) and cells are fed from separate bottles of media
3) entrance into the tissue culture facility is restricted to certain trained personnel.

Hope this answers your question.

Greg Szabo
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