PODCAST

Immune

Vincent Racaniello

A podcast about the body"s defenders against disease.

science life sciences

All Episodes

01:14:44

Immune 101: Ink and immunity

Immune ·

2026/02/24

Immune discusses how tattoo ink accumulates in lymph nodes, promotes inflammation and influences response to two different vaccines. Hosts: Vincent Racaniello, Cindy Leifer, Stephanie Langel, and Brianne Barker Subscribe (free): Apple Podcasts, RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server IL-9, CAR T cells and anti-tumor CD8 cells Tattoo ink, inflammation and vaccines Time stamps by Jolene Ramsey. Thanks! Music by Tatami. Immune logo image by Blausen

42:05

Immune Booster 23: Critical windows during immune...

Immune ·

2026/02/17

Anna Beaudin from University of Utah talks about the key thread of her career, development, and how that influences her research on the events happening during critical prenatal windows shapes everything from the developing immune system to hearing loss. Host: Cindy Leifer Guest: Anna Beaudin Subscribe (free): Apple Podcasts, RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server Beaudin lab at University of Utah PhD work on metabolism and development Postdoc work

44:49

Immune Booster #22 T cell signaling and selection...

Immune ·

2026/02/10

Leslie Berg talks about her career studying T cell receptor signaling, T cell development, and the importance of mentors in her career. Host: Cindy Leifer Guest: Leslie Berg Subscribe (free): Apple Podcasts, RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server Berg lab at University of Colorado Anschutz TCR thresholds and ITK (PNAS) Review on TCR signaling (Nat Immunol) Generation of TCR transgenic mice (Mol Cell Bio) T cell negative selection in

01:22:47

Immune 100: Immune turns 100!

Immune ·

2026/01/27

The whole Immune gang gathers with special guests Gretchen Diehl and Shruti Naik at The Incubator with an audience to celebrate the 100th episode. Hosts: Vincent Racaniello, Cindy Leifer, Stephanie Langel, and Brianne Barker Guests: Gretchen Diehl and Shruti Naik Subscribe (free): Apple Podcasts, RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server Diehl: Gut microbe-specific T cell development (Nature 2021) Diehl: Bacteria-induced IL-1 is gut protective (Gut

30:12

Immune Booster 21: Origins of antigen receptors with...

Immune ·

2026/01/13

David Schatz talks about his discovery of Rag genes that are critical for antigen receptor development and how that discovery depended on taking high risks and using approaches that everyone thought could never work. Host: Cindy Leifer Guest: David Schatz Subscribe (free): Apple Podcasts, RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server Transfer of recombinase activity in non-lymphoid cells (Cell 1988) Identification of the RAG-1 gene (Cell 1989) Evolution of

54:03

Immune 99: A Nobel for immune tolerance

Immune ·

2025/12/30

The Immune team discusses the groundbreaking discoveries of regulatory T cells, which was the topic of the 2025 Nobel Prize in Physiology or Medicine. Hosts: Vincent Racaniello, Cindy Leifer, and Brianne Barker Subscribe (free): Apple Podcasts, RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server Sakaguchi lab paper on FoxP3 and regulatory T cells (Science 2003) Brunkow and Ramsdell description of scurfy mouse mutation (Nature 2001) Nobel Prize writeup on Treg

27:11

Immune Booster 20: Lipid GPS for T cells with Susan...

Immune ·

2025/12/16

Susan Schwab talks about how she got the research bug, bugs she ate, and her research on how the lipid S1P helps T cells decide- should I stay or should I go. Host: Cindy Leifer Guest: Susan Schwab Subscribe (free): Apple Podcasts, RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server Schwab lab website Monocytes produce the lipid S1P to regulate T cell movement Review on S1P and immune cell migration Time stamps by Jolene Ramsey. Thanks! Music by Tatami. Logo

01:31:47

Immune 98: T cells on the brain

Immune ·

2025/11/25

Immune discusses cross-reactive antibodies to avian influenza neuraminidases and a role for gut-derived T cells in the brain to regulate eating behavior. Hosts: Vincent Racaniello, Cindy Leifer, Steph Langel, and Brianne Barker Subscribe (free): Apple Podcasts, RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server Antibody cross-reactivity to influenza H5N1 (Cell Host Microbe, 2025) Gut-derived T cells regulate behavior (Nature, 2025) Time stamps by Jolene Ramsey

01:00:22

Immune Booster 19: Virus-immune Tug-of-war with...

Immune ·

2025/11/11

Kristian Andersen from Scripps Research Institute joins Cindy to talk about how he got interested in virus evolution, how the immune system drives viral adaptation, and what we can learn from this research to better prepare us for the next pandemic. Host: Cindy Leifer Guest: Kristian Andersen Subscribe (free): Apple Podcasts, RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server Andersen Lab website Perspective on Immunological drivers of virus emergence Kristian's

01:14:43

Immune 97: Bystander B cells go bananas

Immune ·

2025/10/28

Cindy and Steph discuss a paper that challenges the textbook dogma that B cells must first bind to an antigen for antibody affinity maturation to occur, and a snippet on dysfunctional T cells during bacterial vaginosis. Hosts: Cindy Leifer and Steph Langel Subscribe (free): Apple Podcasts, RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server Somatic hypermutation in non-specific B cells (Immunity 2025) Dysfunctional T cells during bacterial vaginosis (J Clin Invest

29:43

Immune Booster 18: From Stars to cells with Bali...

Immune ·

2025/10/14

Cindy sits down with Bali Pulendran at the AAI 2025 meeting where he told the story of how a childhood fascination with the cosmos grew into a career addressing fundamental questions about the human immune response, and how when an antigen enters the body it is like the big bang in how it initiates immune responses. Host: Cindy Leifer Guest: Bali Pulendran Subscribe (free): Apple Podcasts, RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server Systems vaccinology

01:05:57

Immune Booster #17: From unvaccinated to vaccine...

Immune ·

2025/10/07

Elizabeth Marnik, also known as Science Whiz Liz, grew up unvaccinated, yet she is now an immunologist, science communicator, and advocate for vaccines–this is her story. Host: Cindy Leifer Guest: Elizabeth Marnick Subscribe (free): Apple Podcasts, RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server More about Liz on her webpage ScienceWhizLiz on Instagram From the Science Classroom with Science Whiz Liz on Substack Time stamps by Jolene Ramsey. Thanks! Music

01:10:51

Immune 96: How to floss a mouse

Immune ·

2025/09/30

Immune discusses the potential future of delivering vaccines by flossing your teeth and how antibodies in human milk shape the normal immune responses in newborns. Hosts: Vincent Racaniello, Cindy Leifer, Steph Langel, and Brianne Barker Subscribe (free): Apple Podcasts, RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server Floss-based vaccination (Nat Biomed Engineering 2025) Press article on Floss-based vaccine paper (Sci News) Human milk IgA promotes

33:03

Immune Booster #16: Teaching and communicating...

Immune ·

2025/09/16

Cindy speaks with Aimee Pugh Bernard from University of Colorado about her career and her passion for teaching and communicating immunology to the public. Host: Cindy Leifer Guest: Aimee Pugh Bernard Subscribe (free): Apple Podcasts, RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server More about Aimee on her webpage Funsizeimmuninja on Instagram Fun Size Science video partnership with Unbiased Science Funsizeimmuninja Substack Society for Leukocyte Biology Time

01:02:04

Immune 95: Mitochondria for everyone

Immune ·

2025/08/26

Immune discusses how cancer cells swap mitochondria with T cells and then digs in for a discussion of an unusual checkpoint blockade that failed for cancer but could be repurposed for autoimmune inflammation. Hosts: Vincent Racaniello, Cindy Leifer, Steph Langel, and Brianne Barker Subscribe (free): Apple Podcasts, RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server Cancer cells steal mitochondria from neurons for metastasis (Nature 2025) Cancer cells donate

39:55

Immune Booster #15 Vaccine ground rules with Shane...

Immune ·

2025/08/12

Cindy talks with Shane Crotty about his teenage days driving 3 ½ hours every weekend to have his first research experience in marine biology, how that eventually led to studying how vaccines work and how we can make them better, and how immunology research and publishing got a turbo-boost during the pandemic. Hosts: Cindy Leifer Guest: Shane Crotty Subscribe (free): Apple Podcasts, RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server Immune 85 discusses Crotty lab

01:15:22

Immune 94: The nose knows

Immune ·

2025/07/29

The Immune team goes up the nose to discuss cytotoxic T cells activating complement through secretion of granzyme K to drive inflammatory nasal polyps and how IgA-producing B cells are made in the nose. Hosts: Vincent Racaniello, Cindy Leifer, Steph Langel, and Brianne Barker Subscribe (free): Apple Podcasts, RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server CD8 T cells in recurrent airway inflammation (Nature 2025) Where IgA producing B cells arise that protect

28:31

Immune Booster #14: In the eye of immune responses...

Immune ·

2025/07/08

From the 2024 Society for Leukocyte Biology meeting, Cindy and Brianne talk with Darren Lee to discuss his career, how he got interested in immunology of the eye, and how his team visualizes immune responses of the eye in real time with the hope of better understanding autoimmune uveitis. Hosts: Cindy Leifer and Brianne Barker Guest: Darren Lee Subscribe (free): Apple Podcasts, RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server The eye is an

01:16:21

Immune 93: Macrophages managing memory B cells

Immune ·

2025/06/24

Vincent and Cindy discuss differences between MPox-specific T cell responses following infection and vaccination, and lymph node macrophage control of memory B cell localization and trafficking that might be important for choosing which arm to get a vaccine. Hosts: Vincent Racaniello and Cindy Leifer Subscribe (free): Apple Podcasts, RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server Different T memory response to MPox infection or vaccination (Nat Comm 2025)

25:53

Immune Booster #13 Microbiome and regulation of gut...

Immune ·

2025/06/10

From the 2024 Society for Leukocyte Biology meeting, Cindy and Brianne sit down with Justin Wilson to talk about how he got into research and his more recent studies on innate immune sensors and the interaction between the gut microbiome and inflammation related to inflammatory bowel disease and cancer. Hosts: Cindy Leifer and Brianne Barker Guest: Justin Wilson Subscribe (free): Apple Podcasts, RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server Francisella

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Immune

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