Transcript Document

Almere, 7 nov 2013, Verzekerings Geneeskunde dagen
Genetics in Medicine in 2013:
is a genetic passport reality?
Prof.dr. Martina Cornel
www.vumc.com/researchcommunitygenetics
Is a genetic passport reality?
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Some (rare) conditions can be predicted better than a decade ago
At affordable price
But implementation is still ongoing
Knowing these conditions can reduce mortality
• Common disorders often multifactorial – nothing new….
2000: genome sequence published
• Bill Clinton: We are here to celebrate the completion of
the first survey of the entire human genome …
• With this profound new knowledge, humankind is on the
verge of gaining immense, new power to heal. Genome
science will have a real impact on all our lives -- and
even more, on the lives of our children.
It will revolutionize
the diagnosis, prevention
and treatment of most,
if not all, human diseases.
Collins FS (Right at photo). Nature 2010 &
© AP PHOTO/RON EDMONDS
Future prevention advice?
http://qnphc.org/personalized-health-care/
Common disorders, common variants?
Genomics research 2000-2010
• Shift in research from rare to common disorders
• Shift from studies on individuals / families to
populations
• Often looking at SNPs (single nucleotide
polymorphisms) in genome wide association studies
(GWAS)
• Many statistically significant associations
(OR=1.1, 1.2)
Finding the missing heritability..
Manolio, Nature 2009
Genetics: “bench” or “bedside”?
Science and/or health care?
On the left:
Watson and Crick describe
the structure of DNA
http://education-portal.com/academy/lesson/james-watsoncontributions-double-helix-quiz.html#lesson
http://www.umcutrecht.nl/subsite/erfelijkheid/erfelijkheidsvoor
lichting/Wanneer_erfelijkheidsonderzoek.htm
Above: clinical geneticist
explains the consequences
to patients
Translation needed
www.st-hughs.ox.ac.uk/library
Libraries cannot be built fast enough to keep up
with modern scientific output.
But moving this knowledge off the shelves and
into practice.. requires translation.
Lenfant NEJM 2005;349:868
Genetics in healthcare?
www.infectionlandscapes.org/2012/03/guinea-worm.html
Genomics in medicine, 2013:
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Clinical genetics
– Huntington and similar automomal dominant conditions
– Monogenic subtypes of common complex disorders
Public health
– Screening programmes (e.g. newborn screening)
Oncology, cardiology, etc
– Tumor profiling/ tailoring chemotherapy
– Recognizing monogenic conditions as cause of sudden
death
Multifactorial disorders (genes and environmental factors play a
role): not ready for applications in health care
Clinical genetics
• Medical specialty
– (physicians 4 yrs. additional training)
http://www.umcutrecht.nl/subsite/erfelijkheid/erfeli
jkheidsvoorlichting/Wanneer_erfelijkheidsonderzoek
.htm
Genetics in medicine - Clinical genetics
• Cancer in the family, young age, often same type
– Diagnosis, prognosis and recurrence risk?
• Counselee has (hereditary) disorder
– Diagnosis, prognosis and recurrence risk?
• Child does not develop adequately
(physical abnormalities/ mental retardation)
– Diagnosis, prognosis and recurrence risk?
http://www.icr.ac.uk/research/research_divisions/Genetics_and_Epidemiology/index.shtml
Nascimento, AJHG 2006; 79; 549–555
Colon cancer
• FAP, HNPCC
• Colonoscopie
• Aspirin decreases
cancer incidence in
HNPCC
One gene increases risk of….
• Cancer
• Diabetes
– MODY diabetes
• Cardiovascular disorders
– Familiair hypercholesterolemia
– Long QT syndrome
– HCM
Long QT syndrome
Guidelines in cardiogenetics
www.youtube.com/watch?v=52RJWyjogY0&feature=related
www.youtube.com/watch?v=DU_i0ZzIV5U&feature=related
Overview
•
Clinical genetics
– Huntington and similar automomal dominant conditions
– Monogenic subtypes of common complex disorders
•
Possibilities to predict risk and avoid (some of) the
consequences
•
Consequences for insurance? Reduced mortality
Sir Muir Gray (Nat Scr Comm UK)
All screening programmes do harm. Some do good as
well and, of these, some do more good than harm at
reasonable cost.
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Genetic screening for Tay Sachs in USA
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Neonatal screening (heelprick)
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Overview
•
•
•
Clinical genetics
– Huntington and similar automomal dominant conditions
– Monogenic subtypes of common complex disorders
Public health
– Screening programmes (e.g. newborn screening)
Consequences for insurance: reduced mortality
New!
• Whole genome
sequencing
• Nijmegen:
in mental retardation
of sofar unknown
etiology many new
diagnoses
• Analyse any gene?
Privacy, confidentiality, insurance?
• Next talk: Nick Kirwan!
Is a genetic passport reality?
•
•
•
•
Some (rare) conditions can be predicted better than a decade ago
At affordable price
But implementation is still ongoing
Knowing these conditions can reduce mortality
• Relevance to insurance limited? Reduce premium?
• Common disorders often multifactorial – nothing new….