Immune reveals the total mass (1.2kg), number (1.8 trillion), and distribution of immune cells in the human body, with macrophages contributing nearly 50% of the total cellular mass. Hosts: Vincent Racaniello, Cynthia Leifer, and Brianne Barker Subscribe (free): Apple Podcasts, Google Podcasts. RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server Immune cells in the human body (PNAS) Letters read on Immune 73 Time stamps by Jolene. Thanks! Music by Steve Neal. Immune logo image by Blausen Medical Send your immunology questions and comments to immune@microbe.tv

From Cornell University in Ithaca New York, Vincent and Cindy meet with Ellen Rothenberg to review her career in science, starting with work on retroviruses to unraveling transcriptional networks underlying T-cell development and signaling. Hosts: Vincent Racaniello and Cynthia Leifer Guest: Ellen Rothenberg Click arrow to play Download Immune 72 (53 MB .mp3, 73 min) Subscribe (free): Apple Podcasts, Google Podcasts. RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server Synthesis of infectious DNA of murine leukaemia virus (Nature) Runx factors launch T cell and innate lymphoid programs (Nat Immunol) Time stamps by Jolene. Thanks! Music by Steve Neal. Immune logo image by Blausen Medical Send your immunology questions and comments to immune@microbe.tv

Immune explains how, in a mouse model of roundworm infection with Nippostrongylus brasiliensis, exposure to lung-migrating helminths protects mice against SARS-CoV-2 infection. Hosts: Cynthia Leifer, Stephanie Langel, and Brianne Barker Subscribe (free): Apple Podcasts, Google Podcasts. RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server Helminth protects against murine SARS-CoV-2 infection (Sci Immunol) Pandemic spared Africa (ScienceInsider) Letters read on Immune 71 Time stamps by Jolene. Thanks! Music by Steve Neal. Immune logo image by Blausen Medical Send your immunology questions and comments to immune@microbe.tv

Immune explains how mast cells, IgE antibody, and the brain collaborate to promote avoidance of certain foods to evade allergic responses. Hosts: Vincent Racaniello, Cynthia Leifer, and Brianne Barker Subscribe (free): Apple Podcasts, Google Podcasts. RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server Mast cells and immune avoidance behavior (Nature) Immune sensing of food allergens promotes avoidance (Nature) Immunology that underlies picky eating (Nature) Time stamps by Jolene. Thanks! Music by Steve Neal. Immune logo image by Blausen Medical Send your immunology questions and comments to immune@microbe.tv

Kevin joins Immune to discuss his work showing that antibodies against endogenous retroviruses promote immunotherapy of lung cancer. Hosts: Vincent Racaniello, Cynthia Leifer, Steph Langel, and Brianne Barker Guest: Kevin Ng Subscribe (free): Apple Podcasts, Google Podcasts. RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server Antibodies against ERVs and lung cancer (Nature) Time stamps by Jolene. Thanks! Music by Steve Neal. Immune logo image by Blausen Medical Send your immunology questions and comments to immune@microbe.tv

Immune discusses immunological imprinting, also called original antigenic sin, in the context of infection with SARS-CoV-2 and influenza virus. Hosts: Vincent Racaniello, Cynthia Leifer, and Steph Langel Download Immune 66 (45 MB .mp3, 76 min) Subscribe (free): Apple Podcasts, Google Podcasts. RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server Immunological imprinting (Immunity) COVID-19 vaccine imprinting (bioRxiv) Original antigenic sin (J Inf Dis) Are competition (LJII) Time stamps by Jolene. Thanks! Music by Steve Neal. Immune logo image by Blausen Medical Send your immunology questions and comments to immune@microbe.tv

Immune explains the results of a study which show that in mice, functional T cells respond to vaccination for over 10 years and 51 successive immunizations, exhibiting supernumerary cell division and longevity. Hosts: Vincent Racaniello, Cynthia Leifer, Steph Langel, and Brianne Barker Subscribe (free): Apple Podcasts, Google Podcasts. RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server T cells capable of supernumerary division (Nature) Time stamps by Jolene. Thanks! Music by Steve Neal. Immune logo image by Blausen Medical Send your immunology questions and comments to immune@microbe.tv

Immune discusses the current understanding of immune memory to SARS-CoV-2 infection and COVID-19 vaccines, which supersedes that of any other acute infectious disease. Hosts: Vincent Racaniello, Cynthia Leifer, Steph Langel, and Brianne Barker Subscribe (free): Apple Podcasts, Google Podcasts. RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server COVID-19 immune memory (Imm Rev) Time stamps by Jolene. Thanks! Music by Steve Neal. Immune logo image by Blausen Medical Send your immunology questions and comments to immune@microbe.tv

Jon joins Immune to discuss the research of his laboratory on understanding how the innate immune system recognizes and responds to pathogens, and his hypothesis that infection infidelities drive innate immunity. Hosts: Vincent Racaniello, Cynthia Leifer, Steph Langel, and Brianne Barker Guest: Jonathan C. Kagan Subscribe (free): Apple Podcasts, Google Podcasts. RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server Approaching the asymptote (Cold Spring Harb Symp Quant Biol) Infection infidelities drive innate immunity (Science) Time stamps by Jolene. Thanks! Music by Steve Neal. Immune logo image by Blausen Medical Send your immunology questions and comments to immune@microbe.tv

Cindy, Steph, Brianne, and Vincent do a rapid review 11 immunology papers, including a wiring diagram for the immune system, group A streptococcus vaccines, systems immunology prediction of vaccines, class switch towards IgG4 after SARS-CoV-2 mRNA vaccination, very bad B cells, monoclonal antibody to two streptococcal M protein epitopes, transcriptional atlas of response to 13 vaccines, impact of SARS-CoV-2 exposure history on T cell and IgG response, neutrophilic inflammation predisposes to RSV infection, commensals avoiding recognition, and continuous germinal center invasion contributes to diversity of immune response. Hosts: Vincent Racaniello, Cynthia Leifer, Steph Langel, and Brianne Barker Subscribe (free): Apple Podcasts, Google Podcasts. RSS, email Become a patron of Immune! Links for this episode MicrobeTV Discord Server Tangled web of wires (Nature) Path to group A Streptococcus vaccines (Clin Inf Dis) Immune end-types predictive of vaccine responses (Nat Immunol) IgG4 switch after SARS-CoV-2 mRNA vaccination (Sci Immunol) Very bad B cells (Immunity) Two epitope Streptococcus monoclonal (EMBO Mol Med) Predictor of vaccine-induced antibody responses (Nat Immunol) Impact of SARS-CoV-2 exposure history on antibody an T cell response (Cell Rep Med) Neutrophilic inflammation and RSV infection (Science) Commensals avoiding recognition (Sci Immunol) Continuous germinal center invasion and immune response diversity (Cell) Time stamps by Jolene. Thanks! Music by Steve Neal Immune logo image by Blausen Medical Send your immunology questions and comments to immune@microbe.tv

Cindy, Steph, Brianne, and Vincent review some of their favorite immunology papers of 2022. Hosts: Vincent Racaniello, Cynthia Leifer, Steph Langel, and Brianne Barker Subscribe (free): Apple Podcasts, Google Podcasts. RSS, email Become a patron of Immune! Links for this episode CAR T for SLE (Nat MEd) Maternal gut microbiome induced IgG (Sci Immunol) Long-primed germinal centers (Nature) Fc mediated protection against SARS-CoV-2 VOC (bioRxiv) Dark side of macrophages (Nat Med) Pregnancy and antibody protection against infection (Nature) Regulators of inflammatory response to mRNA vaccines (Nature Immunol) Antibody effector function and protection against RSV (Cell) Color coded antibodies (bioRxiv) Endogenous retroviruses and inflammation (Cell) CD8 T cells and vaccine protection against SARS-CoV-2 (Sci Immunol) Time stamps by Jolene. Thanks! Music by Steve Neal. Immune logo image by Blausen Medical Send your immunology questions and comments to immune@microbe.tv

De’Broski joins immune to reveal his remarkable career path and the research of his laboratory on neuroimmunology and the immune response to parasite infections. Hosts: Vincent Racaniello, Cynthia Leifer, Steph Langel, and Brianne Barker Guests D’Broski Herbert Subscribe (free): Apple Podcasts, Google Podcasts. RSS, email Become a patron of Immune! Links for this episode Immunology of helminth infections (Ann Rev Immunology) Neuroimmune regulatory networks (J Leuk Biol) Every cell is an immune cell (Immunity) Time stamps by Jolene. Thanks! Music by Steve Neal. Immune logo image by Blausen Medical Send your immunology questions and comments to immune@microbe.tv

From SLB22 on the Island of Hawai’i, Julia and Musa join Immune to reveal their remarkable career paths, and their research on understanding trained innate immunity. Hosts: Vincent Racaniello, Cynthia Leifer, Steph Langel, and Brianne Barker Guests: Julia Bohannon and Musa Mhlanga Subscribe (free): Apple Podcasts, Google Podcasts. RSS, email Become a patron of Immune! Links for this episode From the ashes (Richmond Register) Innate immune memory (J Immunol) Epigenetics and metabolism in trained immunity (Immunity) Time stamps by Jolene. Thanks! Music by Steve Neal. Immune logo image by Blausen Medical Send your immunology questions and comments to immune@microbe.tv

Somali and Phil join Immune to discuss their approaches to immunology education. Hosts: Vincent Racaniello, Cynthia Leifer, Steph Langel, and Brianne Barker Guest: Sumali Pandey and Phil Mixter Subscribe (free): Apple Podcasts, Google Podcasts. RSS, email Become a patron of Immune! Links for this episode ImmunoReach ASMCUE: ASM Conference for Undergraduate Educators (ASMCUE) Upcoming ASM Webinars: free Microedu Live! discussions: Friday, October 14, 1:00 PM Eastern time/10:00 AM Pacific time, topic will be the assessment of learning. Register here. Friday, November 4, 1:00 PM Eastern time/10:00 AM Pacific time, topic will be microbiology laboratory biosafety. Register here. Journals with relevant education resources: AAI ImmunoHorizons ImmunoHorizons Journal of Microbiology and Biology Education (ASM; open-source, see Tips & Tools for examples):Journal of Microbiology & Biology Education Table of Contents Volume 23, Issue 2 (asm.org) CBE Life Sciences Education CBE–Life Sciences Education (LSE) (lifescied.org) How to tell your professional story effectively – for instruction-focused scientists (including external review): Initiative: External Peer Review of Teaching – The Teaching Academy of the Consortium of West Region Colleges of Veterinary Medicine (westregioncvm.org) ASM Carski Award for Educators: ASM Carski Award for Undergraduate Education Undergraduate degree program in Immunology at University of Alabama-Birmingham (only one in the USA): CAS – Undergraduate Immunology Program | UAB 3D printable antibody-antigen epitope models Antibody Epitope teaching kit by esuchman – Thingiverse Time stamps by Jolene. Thanks! Music by Steve Neal. Immune logo image by Blausen Medical Send your immunology questions and comments to immune@microbe.tv

At Cornell University in Ithaca, NY, Mandy joins Immune to discuss her career and her research on understanding how Th17 cells develop and are influenced to be ‘good’ or ‘bad’ in their function. Hosts: Vincent Racaniello, Cynthia Leifer, Steph Langel, and Brianne Barker Guest: Mandy McGeachy Subscribe (free): Apple Podcasts, Google Podcasts. RSS, email Become a patron of Immune! Links for this episode Th17 cytokines in health and disease (Immunity) Time stamps by Jolene. Thanks! Music by Steve Neal. Immune logo image by Blausen Medical Send your immunology questions and comments to immune@microbe.tv

Immune explains a study of three cohorts of patients with ulcerative colitis which finds major perturbations within the mucosal B cell compartment, highlighting a potential role for these cells in disease pathogenesis. Hosts: Vincent Racaniello, Cynthia Leifer, Steph Langel, and Brianne Barker Subscribe (free): Apple Podcasts, Google Podcasts. RSS, email Become a patron of Immune! Links for this episode Gut B cell dysbiosis in ulcerative colitis (Nat Med) Time stamps by Jolene. Thanks! Music by Steve Neal. Immune logo image by Blausen Medical Send your immunology questions and comments to immune@microbe.tv

Immune reviews data showing that in mice, skin bacteria activate keratinocytes to stimulate hair follicle regeneration and wound healing. Hosts: Vincent Racaniello, Cynthia Leifer, Steph Langel, and Brianne Barker Subscribe (free): Apple Podcasts, Google Podcasts. RSS, email Become a patron of Immune! Links for this episode Bacteria induce skin regeneration via IL-1beta (Cell Host Microbe) Time stamps by Jolene. Thanks! Music by Steve Neal. Immune logo image by Blausen Medical Send your immunology questions and comments to immune@microbe.tv

Al Singer joins immune to discuss mice that have their T cell immune system reversed, revealing the molecular basis for T cell lineage fate determination in the thymus. Hosts: Vincent Racaniello, Cynthia Leifer, Steph Langel, and Brianne Barker Guest: Al Singer Subscribe (free): Apple Podcasts, Google Podcasts. RSS, email Become a patron of Immune! Links for this episode T cell FlipFlop mice reveal lineage determination (Nat Immunol) Time stamps by Jolene. Thanks! Music by Steve Neal. Immune logo image by Blausen Medical Send your immunology questions and comments to immune@microbe.tv

Immune reveals a CD8+ regulatory subset of T cell subset that suppress pathogenic T cells and are active in autoimmune diseases and infectious diseases including COVID-19. Hosts: Vincent Racaniello, Cynthia Leifer, Steph Langel, and Brianne Barker Subscribe (free): Apple Podcasts, Google Podcasts. RSS, email Become a patron of Immune! Links for this episode KIR+CD8+ regulatory T cells (Science) Time stamps by Jolene. Thanks! Music by Steve Neal. Immune logo image by Blausen Medical Send your immunology questions and comments to immune@microbe.tv

Immune explains how aging influences chronic outcomes of respiratory viral infection through regulation of the alveolar macrophage compartment and type 2 inflammatory responses to viruse Hosts: Vincent Racaniello, Cynthia Leifer, Steph Langel, and Brianne Barker Subscribe (free): Apple Podcasts, Google Podcasts. RSS, email Become a patron of Immune! Links for this episode Age-dependent reduction in asthmatic pathology (J Immune) Time stamps by Jolene. Thanks! Music by Steve Neal. Immune logo image by Blausen Medical Send your immunology questions and comments to immune@microbe.tv