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Re: Art Vandeley post# 96918

Friday, 03/08/2013 9:39:07 AM

Friday, March 08, 2013 9:39:07 AM

Post# of 129051
are you serious about your post?
http://mpkb.org/home/patients/assessing_literature/in_vitro_studies

In vitro studies
In vitro (Latin for within the glass) refers to the technique of performing a given procedure in a controlled environment outside of a living organism. Many experiments in cellular biology are conducted outside of organisms or cells. One of the abiding weaknesses of in vitro experiments is that they fail to replicate the precise cellular conditions of an organism, particularly a microbe. To cite one example among many, the lysates or extracts from culture-grown spirochetes do not reflect antigens expressed in the mammalian Borrelia:

In vivo studies
In vivo (Latin for “within the living”) refers to experimentation using a whole,living organism as opposed to a partial or dead organism. Animal studies and clinical trials are two forms of in vivo research. In vivo testing is often employed over in vitro because it is better suited for observing the overall effects of an experiment on a living subject.

While there are many reasons to believe in vivo studies have the potential to offer conclusive insights about the nature of medicine and disease, there is a number of ways that these conclusions can be misleading. For example, a therapy can offer a short-term benefit, but a long-term harm.

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