Presentazione standard di PowerPoint

Presentazione standard di PowerPoint

Dr. Cristina Patassini 2 International Conference on Predictive, Preventive and Personalized Medicine and Molecular Diagnostics Las Vegas, 3-5 november 2014 Obesity worldwide According to the World Health Organization (WHO): Approximately 1.6 billion adults (age 15+) are overweight More than 500 million adults were obese At least 20 million children under 5 years are overweight The WHO also projected that by 2015, approximately 2.3 billion adults will be overweight and more than 700 million will be obese. Obesity worldwide Increased of obesity in populations worldwide

Obesity-related health care Obesity increased risk of type 2 diabetes Stroke coronary artery disease Hyperlipidaemia hypertension several cancers

Economic burden of obesity worldwide between 0.7% and 2.8% of a countrys total healthcare expenditures. U.S.: obesity-related health care = about $200 billion Europe: obesity-related health care = more than $10 billion (Muller-Riemenschneider et al., 2008; Withrow et al., 2011) Personalized Genetic Diet The ways in which we metabolize food, the modulation of the sense of hunger and the response of our body to physical activity are regulated by several environmental and genetic factors. Personalization of diet and physical activity, based on genetic characteristics Not a diet to lose weight in 6 months, but learn how to eat better for life

DNA influences how we metabolize food Single Nucleotide Polymorphisms (SNPs) in several genes encoding for proteins involved in hypothalamic control of food intake, energy balance and lipid metabolism have been associated with common (non-Mendelian) obesity. Sense of hunger FTO LEPR DNMT3B Saturated fatty acids metabolism THRA Physical activity ADRB2

Sense of hunger GENES FTO Fat mass- and obesity-associated gene LEPR Leptin Receptor gene DNMT3B DNA MethylTransferase 3B FTO MODEL Mutated variants

rs9939609 (g.53820527 T>A) Dominant TA/AA rs1137101 (c.668 A>G; Gln223Arg) Dominant AG/GG rs992472 (g.31385269 A>C) Recessive

CC SNPs Sense of hunger GENES FTO Fat mass- and obesity-associated gene LEPR Leptin Receptor gene DNMT3B DNA MethylTransferase 3B LEPR MODEL

Mutated variants rs9939609 (g.53820527 T>A) Dominant TA/AA rs1137101 (c.668 A>G; Gln223Arg) Dominant AG/GG

rs992472 (g.31385269 A>C) Recessive CC SNPs Sense of hunger GENES FTO Fat mass- and obesity-associated gene LEPR Leptin Receptor gene DNMT3B DNA MethylTransferase 3B

DNMT3B MODEL Mutated variants rs9939609 (g.53820527 T>A) Dominant TA/AA rs1137101 (c.668 A>G; Gln223Arg)

Dominant AG/GG rs992472 (g.31385269 A>C) Recessive CC SNPs Sense of hunger GENES FTO Fat mass- and obesity-associated gene

LEPR Leptin Receptor gene DNMT3B DNA MethylTransferase 3B MODEL Mutated variants rs9939609 (g.53820527 T>A) Dominant TA e AA

rs1137101 (c.668 A>G; Gln223Arg) Dominant AG e GG rs992472 (g.31385269 A>C) Recessive CC SNPs Polymorphisms of these 3 genes have a synergistic action The subjects carrying the mutated variants:

have a more accentuated sense of hunger are less sensitive to sense of postprandial satiety consume more willingly biscuits, pastries, fruit, cereals, fatty meats, ice cream and cheese tend to eat between meals All this leads to the early onset of obesity: risk increased 6-8 times in the homozygous mutant of the 3 variants. Saturated fatty acids metabolism GENES THRA Thyroid Hormone Receptor, Alpha SNPs rs1568400 (g.38221108; - 635 A>G)

MODEL Mutated variants Recessive GG THRA The subjects with the mutated variant and an high intake of saturated fat have a threefold increased risk of developing obesity. Physical activity

GENES ADRB2 Beta-2-Adrenergic Receptor ADRB2 SNPs rs1042714 (c.79 C>G; Gln27Glu) MODEL Mutated variants Dominant

CG/GG Physical activity GENES SNPs ADRB2 Beta-2-Adrenergic Receptor rs1042714 (c.79 C>G; Gln27Glu) MODEL Mutated variants

Dominant CG/GG The subjects carrying the mutated variant have a reduced weight loss after aerobic physical activity and are less able to use fat stores as a source of fuel after intense exercise. Sport of toning and prolonged exercise If the subjects do not perform regular physical activity, the diet will account the reduced ability to use fat stores. DNA is the Natural Diet Ad-Hoc SAMPLING AT HOME

ANALYSIS BY GENOTYPING SPECIALIST COUNSELING Report Report Report Specialist counseling post test Collaboration with Webmedicine.it: the specialist counseling are

provided through video-conference from the comfort of home! Specialist counseling: Nutritionist to prepare your personalized diet and fitness plan. Monthly follow-up. Geneticist to understand the meaning of your genetic variants. Preliminary results Mean age: 41 Mean BMI: male 26.6 (30%) overweight female 23.6 (70%) Monthly average weight loss: 3.2 Kg Compliance: 95% at 6 months Customer satisfaction: 9.5/10 www.dnadieta.it www.webmedicine.it

THANKS FOR YOUR ATTENTION Genotype-environment interaction arise when the phenotipic response to lifestyle habits is modulated by the genotype of the individual

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