Ami Bhatt, Stanford - Stanford Medicine Big Data | Precision Health 2016

TL;DR

The speaker discusses the history and significance of the microbiome, highlighting the importance of measuring, modeling, and intervening in order to improve health outcomes.

Transcript

good morning everyone I think it's only fitting that I get to speak after we just heard about bio banking you can imagine what we bio bank so the title of my talk is translating metagenomics and I'm going to speak to you a little bit about the history the topic of the microbiome and try to set the stage for the two experts who will follow me so fir... Read More

Key Insights

• 🧑‍🤝‍🧑 The microbiome has a long history, dating back to the 1600s, but significant advancements in sequencing technology have revolutionized our understanding.
• 🤩 Robert Koch and Louis Pasteur played key roles in establishing the perception of microbes as harmful.
• 😘 Low diversity in the gut microbiota is associated with poor survival rates in stem cell transplant patients.
• 😃 Measuring, modeling, and intervening are crucial steps in using big data to improve health outcomes related to the microbiome.
• 〽️ Interventions for altering the microbiota include antibiotics, probiotics, fecal microbiota transplantation, and prebiotics.
• 🧑‍⚕️ Understanding the microbiome and its impact on health has the potential to save lives and improve outcomes for patients undergoing stem cell transplantation.
• 🔨 Computational pipelines and models are essential tools for analyzing and interpreting microbiome data.

Questions & Answers

Q: What role did Robert Koch and Louis Pasteur play in our understanding of bacteria?

Robert Koch and Louis Pasteur contributed significantly to the field of microbiology. Koch developed Koch's postulates, a set of criteria to determine the causative agent of a disease. Pasteur, known for his work in pasteurization, also made important contributions to microbiology and is credited with the discovery of penicillin.

Q: How does low gut microbiota diversity affect survival rates in stem cell transplant patients?

Research has shown that stem cell transplant patients with low diversity in their gut microbiota have poorer survival rates. Higher diversity is associated with better outcomes. Understanding the role of gut microbiota in transplantation could lead to interventions that improve patient outcomes.

Q: What are some ways to alter the microbiota?

There are several approaches to altering the microbiota. Antibiotics are commonly used, but other therapies include probiotics (live microbial therapies) and fecal microbiota transplantation. Additionally, prebiotics, which are specific foods that promote the growth of beneficial microbes, can also be used to alter the microbiota.

Q: How can big data be used to improve health outcomes in relation to the microbiome?

Big data can help researchers move beyond just identifying associations between the microbiome and health and towards establishing causal relationships. By measuring the microbiome, modeling its interactions, and intervening through various therapies, researchers can use big data to improve health outcomes.

Summary & Key Takeaways

• The microbiome has been studied since the 1600s, when Anton van Leeuwenhoek discovered various microorganisms using a microscope.

• Robert Koch and Louis Pasteur played important roles in establishing the germ theory and shaping our perception of microbes as harmful.

• Advances in sequencing technology have allowed researchers to study the microbiome in great detail, leading to efforts to improve health outcomes by influencing the microbiome.