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a16z Podcast | What's in the Water at the George Church Lab?

a16z2019-04-01
DNA#genetics#genome#CRISPR#sequencing#genes#georgechurch
466 views|5 years ago
💫 Short Summary

Renowned scientist George Church discusses the groundbreaking work in genome sequencing and editing, emphasizing the cultural implications of CRISPR technology and ethical considerations. The discussion delves into the risks and benefits of genetic editing, especially in the case of CRISPR babies and mosaicism. Ethical considerations, regulations, and the importance of public awareness in genetic advancements are highlighted. The conversation also touches on the potential of preventive medicine, the cost-effectiveness of gene therapy, and the challenges in widespread genome sequencing adoption. The Personal Genome Project's emphasis on privacy, consent, and sharing of genomic data is discussed, along with advancements in genome sequencing technology. The Iglesias lab's innovative projects and focus on collaboration and diversity are showcased, along with their recruitment strategies and societal impact goals. Discussions on genome editing technologies, environmental benefits, and the utilization of synthetic and ancient genes for genetic modifications are also mentioned.

✨ Highlights
📊 Transcript
George Church discusses his groundbreaking work in genome sequencing and editing.
02:14
CRISPR technology and its cultural implications are explored, including recent news about CRISPR babies in China.
The ethical questions surrounding genetic editing, specifically in the case of a CRISPR baby experiment to prevent HIV infection, are highlighted.
The experiment targeted the gene encoding the HIV receptor on t-cells.
The importance of ethical considerations and government awareness in scientific advancements is emphasized.
Highlights of CRISPR Gene Editing
03:30
CRISPR targets the ccr5 gene for HIV resistance but double nulls increase susceptibility to West Nile.
CRISPR is compared to a vaccine for HIV/AIDS, providing potential resistance.
Concerns are raised about genetic vandalism and germline editing with CRISPR technology.
Precise editing of ccr5 is the goal, without affecting adjacent genes, but mosaicism in Chinese CRISPR baby publication raises effectiveness questions.
Risks of CRISPR experiment on a child and mosaicism in gene editing.
05:59
Data from adult clinical trials shows mosaicism is common with only a small percentage of properly edited cells.
Mosaicism levels in gene therapies may vary, impacting the germline.
Off-target effects and mosaicism in CRISPR babies appear low, but long-term effects are unknown.
Comparison to early days of in vitro fertilization emphasizes the need for careful monitoring and evaluation of outcomes.
The role of ethicists in genetic editing and the need for ethical considerations.
11:10
The National Academy of Sciences outlined 10 items for responsible genetic editing, emphasizing ethical considerations.
The birth of the first CRISPR babies raised questions about ethical implications and the guidance of ethicists in future projects.
In vitro fertilization with prenatal genetic diagnosis allows for the selection of embryos free from serious Mendelian diseases, emphasizing the importance of ethical decision-making in genetic editing advancements.
Discussion on ethical components and regulations of germline experiments.
12:49
Predictions of an increase in germline experiments despite potential pauses, based on past experiences with DNA research.
Emphasis on the importance of regulation to prevent harmful outcomes, citing examples such as solidified and Vioxx.
Highlighting the acceleration of new technologies in the regulatory environment, favoring advancements like cell and gene therapies.
Emphasis on the FDA's focus on curing people and continuous improvement in safety and efficacy.
Importance of diagnosis and prevention in healthcare.
15:20
Cost-effective diagnostic tools are undervalued in healthcare.
Emphasis on benefits of preventive medicine, including precision medicine and whole genome sequencing for accurate diagnosis.
Gene therapy can prevent Mendelian diseases, with cost considerations for rare gene therapies.
Options such as IVF, PGD, and matchmaking are discussed as cost-effective and humane approaches for preventing genetically diseased children.
The cost of gene therapy and genome sequencing is discussed, focusing on potential savings for insurers and employers through selective matchmaking.
19:45
Tay-Sachs disease in Jewish communities is used as an example to show the effectiveness of preventing hereditary disorders through selective matchmaking.
The evolution of genome sequencing technology is highlighted, with costs now below $1,000, but adoption rates remaining low.
The debate centers around whether the $1,000 threshold for genome sequencing is reasonable for widespread use.
Challenges hindering widespread adoption of genome sequencing.
21:55
Cost, privacy concerns, and lack of understanding are key factors impeding genome sequencing.
Genome sequencing value proposition likened to seatbelts, highlighting the need for a public health approach.
Advocacy for making genome sequencing cost-effective, secure, and accessible to increase adoption and impact.
Emphasis on the importance of spreading the message and making sequencing accessible for the benefit of individuals, families, and society.
Importance of Data and Anecdotes in Genomics
23:05
Zero dollar genome and encryption are crucial in genomics.
Security and privacy laws are needed to protect genetic information.
Genetic Information Non-discrimination Act of 2008 is a step towards safeguarding genetic data.
Risks of sharing genome data include concerns about DNA being planted at crime scenes.
The Personal Genome Project and Informed Consent
26:33
The project, started in 2005, was one of the first to address the identifiability of genomic data and medical records.
Concerns were raised about data leakage and the potential for determining individuals' diseases.
Participants were properly consented through simplified multiple-choice quiz consent forms.
The project emphasized the significance of privacy and informed consent in sharing genomic data and medical information.
Importance of 100% comprehension of medical data in research.
28:10
Personal Genome Project allowed participants to use and share genetic information freely.
Speaker shared personal insights from accessing their genome, including discovering no risk factors for Alzheimer's and being a compound heterozygote for lung disease.
Access to personal medical records led to better diagnosis and personalized advice on medication use.
Transition to a vegan diet leading to significant weight loss and emphasis on personalized dietary choices.
30:41
Importance of participating in research studies, particularly the Personal Genome Project, to contribute to scientific knowledge.
Criteria for selecting students to work in the church lab, focusing on innovation and risk-taking for successful results.
Lab's reputation for daunting but successful work, with projects often completed ahead of schedule.
Advancements in genome sequencing technology have made it more accessible, with the cost reduced significantly from billions to thousands of dollars.
33:50
The lab has also contributed to various genome editing methods, including CRISPR.
The focus is on attracting individuals with a collaborative and nice demeanor rather than just geniuses.
Building a culture of collaboration and diverse ideas within the lab is key to fostering innovation.
Projects in the lab range from rejuvenating organs to creating virus-resistant organisms, with an emphasis on creating a supportive environment where failure is accepted, and colleagues are treated with kindness.
The Iglesias lab focuses on radical and transformative technologies, leading to the creation of multiple startups and spinouts.
36:08
The lab encourages creativity by banning the word 'impossible' and working on projects at the forefront of innovation.
They develop technological solutions to ethical issues, such as the Personal Genome Project and biocontainment through recoding.
Embracing failure and constantly re-evaluating cutting-edge ideas is a key part of their culture, attracting entrepreneurs with unconventional ideas.
Recruitment strategy emphasizes multilingual, multi-disciplinary teams for effectiveness.
39:22
Focus on pioneering work in sequencing and CRISPR technologies.
Future goals include achieving a detailed 3D understanding of living organisms, higher levels of genome editing, and societal benefits.
Projects guided by criteria of scientific interest, technological advancement, and societal impact.
Debate over potential Neanderthal baby versus mammoth calf, with emphasis on environmental and species diversity benefits of the latter.