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The Irish Times - Monday, January 14, 2013
New Innovator RCSI
Prof Jochen Prehn: Applying mobile phone network technology to analyse networks of cell proteins
OLIVE KEOGH
According to global cancer statistics for 2011, about eight million people die
worldwide from cancer every year. In many cases, surgery is the first treatment
option while radiotherapy and chemotherapy are also widely used. The problem is
that cancer cells often are, or can become, treatment-resistant.
Individual biology means people respond very differently to cancer treatments. What
works for one doesn’t work for another and, when a treatment fails, both the patient
and the healthcare system pay the price.
Every day millions of cells die naturally in the human body due to a process known
as apoptosis. Deficiencies in this process play a central role in poor responses to
cancer treatments. Researchers at the Royal College of Surgeons have developed a
way of applying the technology used in mobile phone networks to analyse networks
of cell proteins.
This allows them to pinpoint problems with the proteins involved in cell death. The
information gathered can be used by clinicians to provide patients with the treatment
most suited to them and most likely to succeed.
New understanding
This new technology combines a deep understanding of cancer biology with an
easy-to-use IT tool that will work on PCs, tablets and iPads. “Our system is superior
to statistical approaches based on protein levels or on data from normal pathology
and provides an excellent tool for clinical predictions and patient stratification,” says
project leader Jochen Prehn, professor of physiology and director of the Centre for
Systems Medicine at RCSI. “It also provides a quick and cost-effective solution for
treatment decisions.”
The origins of the project go back to 2004 when Science Foundation Ireland funded
a collaboration between Siemens and RCSI. This saw a Siemens software engineer
work with RCSI researchers to apply networking technology to the cancer treatment
problem.
Mathematical model
“We looked at how proteins behaved in groups rather than as single entities and that
was significant,” Prehn adds. “Using a mathematical model, we can estimate how
cells respond depending on how many proteins are there. This is critical to the
treatment response.
“Once we know how the network behaves, we can simulate how a patient will
respond to treatment and what we need to do in terms of a drug intervention to make
a tumour more sensitive to apoptosis. The ultimate goal is to have the technology
embedded in the normal clinical routine.”
The development of the new technology (on which two patents have been filed) has
received €1.5 million in funding from the Health Research Board and €3 million from
the EU. The next step is full commercialisation. RCSI is in discussion with an Irish
company interested in licensing the technology which can be applied in both hospital
and clinical trial settings.