translating systems medicine into practice a primer · systems medicine approaches medical...
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Translating Systems Medicine into Practice
A Primer
Dr. Dieter Maier Biomax Informatics AG
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• Attempting a “Definition”
• Current Systems Medicine approaches
• Gaps
Outline
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A definition
Systems Medicine approaches medical questions
by applying Systems Biology methodology.
Emergent properties and dynamic behaviour of a
system are predicted with formalised hypotheses
(mathematical and computational models) derived
from systematically measuring its constituting
elements and their interactions (omics,
physiological, clinical, life style, environmental)
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Systems Medicine - Main concepts
Target medical
problem
Experimental
approach Prior
knowledge
Data
collection/
analysis
Formalised
model Simulation/
pertubation
Validated
prediction
Feedback
solution
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Description of complexity
From networks to explicit model and new mathematics
Scale relativity, generalising
Einstein’s relativity and Quantum
physics by Fractals
(Nottale, Auffray
ProgBiophysMolBio 2008)
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Systems Medicine - Aspects
Systems Medicine
Research
Translation/Validation/Regulation/Payment
Personalisation/
Self-monitoring
Integrated Healthcare/
Telemedicine
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Classical medical practice
• Disease: defined by primary affected organ
(“lung disease”, “coronary disease”, …)
• Intervention based on single target single drug
desired effect + “side effects”
• Reactive approach based on occurring symptoms
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Contribution Systems Medicine
• Stratification
• Repositioning
• Predictive system model
all within classic reactive paradigm of
“single effect” drugs
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Stratification by systemic measurement
Golub, ..., Lander, Science 1999
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Biomarker reproducibility gap
Poste, Nature 2011
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Mapping systemic measurements to systemic descriptions
Hofree, .., Ideker, Nature Meth 2013
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Systematic off-target effect-based repositioning
Jin, .., Wong, Cancer Res. 2012
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Predictive multi-scale model
Noble, Hunter 1960 - 2010
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Systems Medicine “disease”
Diseases, “co-morbidities” and “symptoms” are
resolved into a description of disrupted networks
where similar manifestations can arise from very
different network disruptions and vice versa.
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Cancer
Goh, .., Barabasi, PNAS 2007
Diseaseosome
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Network scales
Agusti and Vestebo, AJRCCM 2011
Phenotype
Organ/Tissue
Molecular
Environmental
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Applying complex knowledge
Knowledge and molecular “omics” data
Phenotype/clinical/environmental data
Phenotypes
Gene - disease - compound
Selection of hubs
Data clinical/ experimental
Knowledge base
Omics
Network inference and data mining
A B
C
Biomarkers and clinical decision support systems
Integrated computational simulation
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Tackling “systems” diseases
disrupted network
multiple targets
(options)
multiple interactions +
many effects
to re-calibrate the network
nutrition life style environment drugs psychosocial
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Status Systems Medicine
• Systemic intervention (life style, training,
nutrition), CIRO+, Prof. Wouters, Friesland Campina, Dr. Geurts
• Prevention (of lung transplant dysfunction) SysCLAD, Prof. Pison
• Integrative, interdisciplinary care, Linkcare, Dr. Roldan
• Systems Medicine Research, Prof. Augusti, Dr.
Lefaudeux, Prof. Mewes, Prof. Trajanoski
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Gaps
• predicitve validate quality
• preventive establish, finance/incentivise
• participatory activate participants (“quantify me”?)
• personalised establish integrative, interdisciplinary,
systemic care
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Thank you !
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Thank you !