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Checkbiotech: Producing vaccines from genetically modified crops
Posted by: DR. RAUPP ; madora (IP Logged)
Date: July 04, 2005 09:28AM ; ;

The consortium, called Pharma-Planta, wants to produce vaccines and other
treatments for major diseases, such as HIV/Aids, rabies and TB and they hope
to start clinical trials by the year 2009. The project's aim is to focus on
areas that will be of greatest benefit to developing nations where they feel
that access to most vaccines is very poor at the same time keeping in mind
that human health and the environment are protected, June 2005.

The first product, possibly grown in maize, is likely to be an antibody
that can be used to block HIV transmission and it has been decided to
incorporate it into a microbicidal cream that could be used in the vagina.
The second product will probably to be a post-bite vaccine for rabies, which
is still a significant killer in Africa and southeast Asia.

Researchers at Pharma ?Planta say that the plants will be grown in
pharmaceutical production units on dedicated land , isolated from food
crops. Thirty-nine labs in 11 European countries will work together, with
input from researchers in South Africa, where HIV/Aids is a major public
health issue. Scientific co-ordinators at Pharma ?Planta say many commercial
companies have withdrawn from vaccine development and production because of
low economic returns ,however they say that Pharma-Planta hopes the
technology it will develop over the course of its initial five years of
funding will eventually boost the global supply of treatments.

Current methods used include genetic modification of human cells and
microorganisms such as bacteria. These techniques are labour intensive,
expensive and often only produce relatively small amounts of

Researchers at Pharma ? Planta say that plants are inexpensive to grow as
well as to engineer them to contain a gene for a pharmaceutical product and
most importantly they could produce large quantities of drugs or vaccines at
low cost. The project has yet to decide which plants to use but some of the
plants most likely to be used include tobacco, maize, potatoes and tomatoes.
Although Pharma- Planta claims to maintain and follow the ideal conditions
and procedures for their project others are of the opinion that Pharma-
Planta?s research could have widespread negative impacts and also suggest
that a clear set of criteria must be established to ensure that human health
and the environment are protected


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