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This blog is intended to provide information to educate readers about molecular testing and genetic sample collection and DNA Genotek products.  Some of the information on this blog represents emerging scientific research or data developed for research purposes only. More information here.

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About DNA Genotek

Welcome to The Genetic Link, a blog providing new insights into DNA and RNA sample collection by DNA Genotek. DNA Genotek is a subsidiary of OraSure Technologies, Inc.

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Using NGS and DNA from saliva to find needles in haystacks

 
DNA saliva Oragene

We always enjoy hearing about how our customers are using our products for innovative projects. Recently, we learned about a new project in Germany called GeneTalk, which uses Oragene to collect DNA from saliva. GeneTalk is what many physicians and scientists working on human next generation sequencing (NGS) data sets have been waiting for. We know that NGS is an effective method for identifying rare disease causing variants associated with genetic disorders and as a valuable tool for diagnosing and treating many other diseases. The challenge in analyzing the sequence variants of a patient is to discriminate between all the variants without medical relevance and the mutations that actually have an impact on the disease. Many believe that a large database of exomes from healthy controls may help to create this benchmark and thus speed up the identification of the mutations causing genetic disorders. This is where GeneTalk comes in.

The origin and impact of the DISC1 gene: From schizophrenia to ADHD

 
DNA saliva, genetics, ADHD

While reading a recent publication in the American Journal of Human Genetics Part B entitled DISC1 in Adult ADHD Patients: An Association Study in Two European Samples [1], I was immediately intrigued by the first sentence of the abstract: “The DISC1 gene was named after its discovery in a Scottish pedigree with schizophrenia (SCZ) patients.” [1] This inspired me to do a little background reading regarding the discovery of the DISC1 gene and, as it turns out, it’s a pretty interesting story. Therefore, for the third blog in our Genetics and Mental Health Series, I would like to tell you how this curious gene came to be associated with ADHD.

Get your copy of the DNA Genotek 2014 Activity Calendar

 
DNA Genotek Oragene calendar 2014

At the 2013 American Society for Human Genetics (ASHG) conference in Boston last month, we launched the first version of DNA Genotek’s Activity Calendar for science fanatics. We wanted to provide ASHG attendees who visited our booth a way to celebrate scientific achievement in a fun way. The end result is a glossy, full color, 13-month desk calendar that features a variety of puzzles, challenges and games. Each month includes an online challenge which must be completed to be entered into a draw for a 32GB Apple iPad Mini (Wi-Fi version).

Telomeres & neighborhoods: the impact on children’s long term health

 
Oragene DNA saliva telomeres

Telomeres are an emerging area of genetic research with many new studies being published that highlight fascinating results. Telomeres reside at the end of each chromosome in our bodies. They have no genetic function and are simply stretches of DNA that protect the rest of the chromosome. However, these little bits of DNA, or telomeres, are critical to healthy cell function. They become shorter each time the cell divides. Telomere shortening means the cell’s lifespan is also decreasing. Recent research shows that decrease in telomere length plays an important role in human disease and mortality with many studies showing associations between shorter telomere length and various types of cardiovascular disease, cancer, osteoporosis, cognitive function, dementia, and arthritis. On the flip side, long telomeres are related to healthy aging and overall longevity.

Novel applications in complex biomarker analysis - ESHG 2013

 
DNA Genotek ESHG 2013

Scott Rabuka is a senior product manager at DNA Genotek.

Spit for Africa program facilitates population-based genetic studies

 
Spit for Africa, Oragene

We are very excited to tell you about a new initiative we announced today as part of the DNA Genotek Helping Hands ProgramSpit for Africa is a new sponsorship program in conjunction with the African Society of Human Genetics (AfSHG). Spit for Africa is designed to improve access and reduce the cost of DNA collection for locally and internationally funded genomic projects such as the Human Heredity and Health in Africa (H3 Africa) Initiative and to facilitate growth in membership of the AfSHG.

Announcing DNA Genotek’s ‘Your Choice’ Award*

 
Choice Award

Early this year we offered a special $10,000 Award Program for sample processing and analysis through our GenoFIND Genomic Services offering. The amount of interest and the calibre of the responses we received exceeded our expectations so we decided to offer another AWARD program and to extend it to include not only genomic services but your choice of sample collection kits, sample preparation kits and/or GenoFIND Genomic Services. 

Saliva DNA helps cancer research project meet recruitment goals

 
Tomorrow project logo resized 600

Cancer affects everyone in some way. In Alberta, Canada, 1 in 2 people will be diagnosed with cancer in their lifetime and 1 in 4 will die from it. In 2001, the Tomorrow Project, the largest research study ever undertaken in Alberta was established to discover more about what causes cancer, so that it may be prevented in the future. Information provided by people who join the Tomorrow Project may also be used to learn more about other long-term health conditions.

DNA Genotek’s Top 10 List for 2012

 
DNA Genotek top 10 list

Each year I look forward to the task of reflecting on the year gone by and coming up with a top 10 list that represents highlights of the year for DNA Genotek, our customers and the health community. It was 2009 when I sat down to write the first version of this list and each year, it is one of our most popular blog articles. It is often difficult to choose the items that make this list – mostly because there are so many exciting developments to talk about. The items that made the list this year are some of the most interesting I’ve written about as I believe many of them will change the way we look at genomics in the future. I won’t be surprised if some of them also appear on top 10 lists in the coming years as several of them have some serious staying power. I hope you enjoy DNA Genotek’s top 10 list for 2012.

[INFOGRAPHIC] DNA from saliva vs blood – who wins the cost battle?

 
saliva vs blood DNA cost infographicIntroducing DNA Genotek’s first visual adventure – a fun trip through the blood vs saliva cost journey. You and I know what they say, ‘A picture is worth a thousand words’ right? So today I am not going to talk about the cost of saliva DNA collection or write an article about it. I am sharing a visual representation highlighting 3 key areas in which saliva collection is more cost-effective than blood collection. Some people call it a diagram. Most people these days call it an infographic. At the end of the day, it's a simple way to represent long-winded or complex arguments without resorting to reams of verbiage and pages of dense text. 

Check out this infographic and you'll get the picture in record time.

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