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By carefully designing clinical
studies which compare proteins in body fluid samples from patients suffering
from a disease with samples from members of a control group who do not have that
disease, we are able to identify protein bio-markers for that disease.
Bio-markers are proteins that are present in a disease state and can be observed
or measured in order to determine the efficacy of a drug or the status of the
disease. Present use of bio-markers is largely focused on the analysis of a
single chosen protein. Our industrial-scale proteomics technology allows us to
identify both individual proteins, as well as small clusters of proteins, which
we believe provide more specific information than can typically be obtained
today using a single protein for analysis.
The collection and analysis of
samples of tissues and body fluids, such as serum, urine, saliva and CSF, from
patients with major diseases is an important element of what we do. Our ability
to work with human tissues increases the chances of discovering potential new
protein targets, and our ability to work with human body fluids increases the
chances of discovering potential new protein bio-markers.
Examples of uses of proteins as
bio-markers include:
1. Enabling diseases to be
diagnosed earlier and with a higher degree of accuracy,
2. Identifying a population of
patients who might be expected to benefit from a particular drug and
distinguishing this group from other patients who may be less likely to respond
to the same drug, and
3. Measuring the response of a
patient's disease to a drug treatment.
We believe that bio-markers can
be used to give an early indication of a drug candidate's efficacy and safety
during clinical trials, leading to more efficient drug development. Measuring
bio-markers may also lead to new diagnostic tests.
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