Are you likely to get affected by a heart disease? Is obesity in your future? Your risk of developing many health conditions is partially written in your genes. Get to know your gene better and bring back your ancestry back to life through your DNA. Discover your ancestral origins and trace your lineage with a personalized analysis of your DNA. Even though Neanderthals vanished about 40,000 years ago, their DNA still lives on in us. They were closely related to modern humans having a DNA match of over 99.5%. Traces of human DNA found in a Neanderthal genome suggest that we started mixing with our extinct relatives about 100,000 years ago. Previously it had been thought that the two species first encountered each other about 60,000 years ago.
Gene is the most basic physical and functional unit of heredity which is made up of nucleotides. These genes which are made up of DNA act as instructions to build proteins. In humans, DNA bases in genes vary from a few hundred to more than 2 million. Variants in some of our genes determine how we metabolize and utilize nutrients. They also can help explain why people choose the foods they do-for example a greater propensity for sweet or salt.
“Genetic testing is a medical test that helps in identifying changes in the genes,
chromosomes or proteins which helps to determine a person`s likelihood of developing or
Passing on a disorder”
Discoveries in the field of Genetic Testing started in the late 1950`s, when there were only few research laboratories capable of conducting genetic testing. It was initially used to confirm a diagnosis of a genetic condition and to screen newborns for conditions such as phenylketouria (PKU). Later on scientists were successful in developing tests for diseases such as Down syndrome, cystic fibrosis and Duchenne muscular dystrophy. Today genetic testing is available for over 2000 common and rare conditions in around 500 laboratories worldwide. There are a number of types of tests available today including diagnostic testing, predictive and pre-symptomatic genetic testing, prenatal testing, carrier testing, pre-implantation genetic testing, newborn screening, pharmacogenetic testing and research genetic testing.
Information from the screening tests such as age, ethnic background and family history of genetic disorders are used to calculate the odds that a fetus might be born with a genetic disorder. According to Centre for Disease Control and Prevention birth defects affect 1 in 33 born in the United States each year. Global Gene’s reports that 24 million people in the United States are living with some rare disease of genetic origin and around 30% of children with a rare disease does not live till the age of five.
The birth defects can occur at any point during the pregnancy but most of them occur during the first trimester, when the baby`s organs are forming. According to a recent study published in the Journal of American Medical Association that incorporated nearly 350,000 adults of diverse racial and ethnic background, the frequency of fetuses potentially affected by a severe or profound condition ranged from 95 per 100,000 for Hispanic couples to 392 per 100,000 for Ashkenazi Jewish couples in United States where as in North European couples, the hypothetical fetuses affected were 55 per 100,000.
The available prenatal testing technologies for expectant parent are constantly changing in dramatic and subtle ways. Companies like 23andMe and Sequenom are rapidly expanding their presence by developing new early detection blood tests. Recent developments in the genetic testing market include…
NX Prenatal Inc. a privately held women`s healthcare molecular diagnostics company announced a planned partnership with NxGEN MDx, LLC to collaborate on the development and deployment of its blood tests to assess early pregnancy biomarkers of birth risk.
Natera, a leader in noninvasive genetic testing and the analysis of circulating cell free DNA, is collaborating with the University of California, San Francisco (UCSF), to Study DNA Markers of Kidney Transplant Rejection
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