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Mendel on Caffeine: Human Genetics in 2012. Matthew R. Nelson, Ph.D. Chapel Hill High School March 9, 2012. A few things about me. What GSK does. What I do. How does genetics influence the way we respond to drugs? Does it work for me? How much do I need? Is it safe for me to take?.
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Mendel on Caffeine: Human Genetics in 2012 Matthew R. Nelson, Ph.D. Chapel Hill High School March 9, 2012
What I do • How does genetics influence the way we respond to drugs? • Does it work for me? • How much do I need? • Is it safe for me to take?
Revolutionizing genetic research ×20 cycles = ? = 220 > 1 Million
Gene X DNA GCTATCAGTACT Introns Exons Single Nucleotide Polymorphism (SNP) G Measuring Genetic Variation Rheumatoid Arthritis Height Baldness Asthma
Genome-wide association studiesLiver injury due to flucloxacillin
Genome-wide association studiesBody mass index (analyzed 250,000 people)
Some things we have learned • Almost all traits have some genetic influence • Most traits are affected by lots of genes • Usually more than ten, sometimes hundreds • Some genes affect lots of different traits • Even when we find lots of genes involved, they usually aren’t very good for predicting what will happen to you • You are not your genes • Genes can influence and sometimes set bounds, but rarely determine your fate
Where can you find information about genetic effects on human diseases and conditions? • What genes have been found that influence diseases or other traits you want to know more about? • What are the different traits that a gene affects? • Genome-wide Association Study Catalog: • http://www.genome.gov/gwastudies • Online Mendelian Inheritance in Man (OMIM): • http://www.ncbi.nlm.nih.gov/omim • Pubmed.org & Google Scholar: Finding scientific papers and reviews (not all are freely available) • Google: Good place to find summaries, but be careful • Wikipedia: Hit or miss
23 chromosome pairs 6 billion bases ~33,000 annotated “genes” ~10,000,000 common (>5%) single nucleotide polymorphisms (SNPs) >>10,000,000 rare SNPs 1000s common insertions/ deletions (indels) 100,000s rare indels Overview of Genomic Organizationand Variation Figure from http://www.biologia.uniba.it/rmc/0-internal-images/z-ideograms/ideograms.html
Published GWA Reports, 2005 – 6/2011 951 Total Number of Publications Calendar Quarter Through 9/30/10 postings