genomic medicine

Our first show of the year is an outlook on genomics for 2018. To do this we’re joined by our regular commentators, Nathan Pearson and Laura Hercher, and also by a special guest to mix things up a bit, Misha Angrist, Associate Professor at Duke University and Editor in Chief of Genome Magazine.

Misha wrote a seminal book on the rise of next gen sequencing and personal genomics (Here is Human Being: At the Dawn of Personal Genomics). After working at Knome, Ingenuity, and the New York Genome Center, Nathan recently founded his own company, Root, which works closely with tissue donor registries to give back DNA information to consumers for free. Laura is recognized as a leader in the field of genetic counseling, being a counselor herself and training many of today's working counselors.

Join us as we ask, where are we in genomics today?

Each year at this time we bring on a guest who is somewhat out of the way of our normal lineup, for example, a science fiction writer or a philosopher. Today Theral interviews a law professor who loves to philosophize and write about the impact of biotechnology on our lives now and in the near future. His newest book out this year, “The End of Sex and the Future of Human Reproduction,” is another comprehensive and provocative example of what has made Stanford’s Hank Greely such an in-demand speaker both to scientist and non-scientist audiences alike.

“My prediction in the book is that in twenty to forty years, most people with good healthcare will conceive their children in a lab using stem cell derived eggs--and sometimes sperm—and then do whole genome sequencing preimplantation genetic diagnosis and pick the embryo they want,” says Hank at the outset of today’s extended interview.

Whereas sci-fi writers and the mainstream press often play into what Hank calls "our need for scary bedtime stories," he seeks to understand and elucidate the actual--and less dramatic--"muddling through" of new technologies into our lives.

In addition to discussing the book, we talk with Hank about his relationship to his colleague scientists at Stanford, what he thinks is the breakthrough technology of 2016, and the future of the FDA in the era of Trump.

While everyone is asking what will become of Obamacare, we ask our regular commentators, Nathan Pearson and Laura Hercher, specifically about genomics and medicine.

Nathan begins by saying that data scientists everywhere should be humbled. Does the failure to predict the election send out warnings about big data predictions in genomics?

Laura points out that Obamacare covers many of the new genetic tests which have become available in the past decade, such as screening tests for hereditary breast and ovarian cancer syndrome and lynch syndrome. Coverage for these tests is now up in the air.

"It is cruelly absurd to talk about the value to the human race of identifying the people with these syndromes if we don't then give them the ability to act on the information," she says.

No matter what happens to Obamacare, isn't there bipartisan support for genetic testing and for research funding? (See the passage yesterday of the 21st Century Cures Act.)

Both Nathan and Laura agree that genomic medicine will continue apace. However, they worry that under a Trump administration the less fortunate will become even more vulnerable and have less access to improvements in healthcare. They point to an area of testing that is already highly politicized: prenatal screening. Will women lose access to testing in an era that reverses gains made in women's reproductive rights?

We finish with a local election in the Florida Keyes where residents approved the use of Oxitec's genetically modified mosquitos. Fear, Laura points out, can quickly change suspicion into acceptance.

Let’s take a break from the US and head over to the UK, home of the world’s largest single disease medical research charity.

Cancer Research UK (CRUK) raises five hundred million pounds a year for research and drug discovery into any and all of the two hundred plus types of cancer. The charity is extremely well integrated into U.K. culture, and uniquely English in that the donations are mostly small and come from all corners of society. A third of CRUK’s funding comes from donations averaging £10 or less.

Allan Jordan is head of chemistry for the drug discovery unit of CRUK. On today’s show he says that the democratic funding of the charity gives them a great deal of flexibility to do early stage drug discovery. Whereas a big pharma or biotech has to devote their resources to limited assets, or drugs, CRUK is able to spend more on basic biology research and follow the science into any type or cancer or multiple cancers.

There are very few conditions,” says Allan about his drug discovery unit in Manchester. "We don’t have to be specific about any particular disease area; we don’t have to be experts in one disease at the expense of all others. We can tap into that UK-wide expertise and network that can help us understand the biology.”

How is the charity working with the UK's national healthcare system? And does Allan hear the same kind of skepticism that we hear in the U.S. about precision medicine in oncology?

Today’s show was recorded on Halloween, which now feels so yesterday. Forgive us for some spookiness.

What doesn’t feel so yesterday is the launch this past month of Helix, a company spun out of Illumina that aims to add exomes to the lineup of direct-to-consumer testing. Nathan points out their model for delivering data incrementally through various apps. Laura questions how Helix will vet the apps.

This month the genomics community gathered in Vancouver for the annual American Society for Human Genetics conference. The commentators give their highlights. Then we double back on a genetic counseling conference from last month and a big topic that we missed in our last show: population screening for BRCA.

It’s a bird, it’s a plane, it’s a turducken gone crazy. . . . . No, actually, says Nathan, “it’s a virus inside a spider costume for Halloween inside a bacterium inside a fly!"

There’s a basic assumption in our field today that has been around for some time. We think of medicine as on a direct and even continuum with science. That discoveries in genomics, for example, will lead directly to breakthroughs in medicine. But the breakthroughs on the medical side have been much more rare to date than those coming from the study of biology and genomics.

Richard Gibbs is the Founder of the renowned Genome Sequencing Center at Baylor College of Medicine. He and his team were one of five worldwide sites contributing to the Human Genome Project (HGP). In today’s interview we find out what the sequencing pioneer has been up to since the days of the HGP and what his take is for how well genetic science is translating into clinical care.

In fact, Richard is willing to put a number on how far we’ve come.

“There’s a trajectory that began just about the time the Human Genome Project was being conceived through to this futuristic image of medical genomics where complete genomes are actually part of medical care,” he says. "That journey is not yet complete. We are somewhere between 50 and 90% there.”

Richard says that the HGP was actually a departure from what was typical in the field of human genetics. That it was a science project done more purely for the sake of science. Most of the history of human genetics research has been practical medical or clinical projects.

One of the areas where Richard’s team has made a big impact is in collaboration with the NHGRI's Center for Mendelian Diseases. The team is also participating heavily with the NIH’s Undiagnosed Disease Network. What is the difference between a Mendelian and a rare disease? What are the center’s solve rates for each of those areas?

We round out the discussion with a look at how Richard and his team get the 'best quality genomes' for their projects, an issue of utmost importance in the clinic.

As we get closer to the election and the end of 2016, the debate over LDT regulation has gone quiet. At this time last year, there was one hearing after another, first in the Senate, then in the House. The FDA’s Jeffrey Shuren was called before congress and drilled over the nuances of the guidance as well as asked when it would be released. He said, in the first half of 2016.

Though there has been no guidance released, the FDA has continued sending letters out to individual labs, requesting certain LDTs be approved before the labs market them. In March of this year, the FDA put a couple labs and two Texas hospitals on notice that were marketing “high risk” unregulated diagnostics. This surprised many in the laboratory community. These tests were diagnostics to detect the Zika virus, and any delay could negatively impact public health. The FDA told the labs they expected them to submit a request for emergency authorization (EUA).

So what are labs across the country doing? What are they supposed to be doing? Are they shying away from developing new LDTs? Are they proactively working to develop 'clinical validity’ for their tests, something they haven’t had to do under CLIA (the current regulatory statue for labs), but would be required to pursue by the FDA?

Some lab directors, such as today’s guest, say they haven’t changed a thing and are in “wait and see” mode. John Longshore is the Director of Molecular Pathology for the Carolinas Pathology Group and Carolinas HeathCare System, an integrated health network with more than 40 hospitals. He’s optimistic that laboratories are being heard on Capitol Hill and that it won't come down to FDA guidance. Referring to a recent Senate HELP meeting in September 2016 on the topic of LDTs, he says he's confident "that we will have regulation through congressional legislation rather than FDA guidance.”

The debate continues . .

For the next installment of our series on genetic counseling, we’re joined by Erica Ramos. She’s the president-elect of the National Society of Genetic Counselors and was the second genetic counselor hired at Illumina where she’s been for four years. Illumina now has 15 genetic counselors.

Erica has been a trail blazer throughout her career. Before joining Illumina, she was the first ‘cancer counselor’ in the city of Las Vegas, Nevada. Her time at Illumina has been a prime example of the evolving role of the industry counselor.

“Genetic Counselors are starting to be recognized more and more as experts in bridging gaps between physicians and researchers, patients and physicians, and now even companies and their customers,” she says at the outset of today’s interview.

When asked about the tension between the commercial pressure from her company to sell tests and the actual needs of the patients, Erica says Illumina wants to sell the right tests and she quotes Illumina’s new CEO, Francis de Souza: “sometimes you need to go slow before you can go fast.” Erica says that it’s good for business to engage the genetic counselor early on in product development so that the right product is chosen.

We finish the interview with a preview of the upcoming National Society for Genetic Counselor's annual education conference, Sept 28 to Oct 1 in Seattle, Washington.