Immune 97: Bystander B cells go bananas

In episode 97 of Immune, Cindy Leifer and Steph Langel delve into two scientific papers. Steph presents a snippet on bacterial vaginosis (BV) and its impact on T-cells and soluble immune factors in the cervical vaginal tract, highlighting the increased susceptibility to HIV in women with BV due to altered T-cell function. Cindy then discusses a paper challenging the traditional understanding of B-cell somatic hypermutation, explaining how B-cells can generate new antibody specificities beyond their primary repertoire, potentially impacting immunity and autoimmunity. They discuss the experimental design used to demonstrate this phenomenon, and the implications for understanding immune responses to novel pathogens and tumors.

Outlines

Part 1: Introduction to Bacterial Vaginosis

Part 2: Somatic Hypermutation - Challenging the Textbook Definition

Part 3: Experimental Evidence for New Specificities

Part 4: Implications and Future Directions

Sign in to continue reading, translating and more.

Open full episode in Podwise

Immune

Part 1: Introduction to Bacterial Vaginosis

Introduction to Bacterial Vaginosis and Vaginal Microbiome

Immune Response and Implications of Bacterial Vaginosis

Part 2: Somatic Hypermutation - Challenging the Textbook Definition

Introduction to B Cells and Somatic Hypermutation

Challenging the Textbook Definition of Somatic Hypermutation

Part 3: Experimental Evidence for New Specificities

Experimental Design and Initial Findings on Affinity Birth

Further Experiments and Evidence for New Specificities

Analysis of Mutations and T Cell Co-stimulation

Part 4: Implications and Future Directions

Implications and Future Research Directions

Immune 97: Bystander B cells go bananas

Immune

Part 1: Introduction to Bacterial Vaginosis

00:03Introduction to Bacterial Vaginosis and Vaginal Microbiome

Introduction to Bacterial Vaginosis and Vaginal Microbiome

07:14Immune Response and Implications of Bacterial Vaginosis

Immune Response and Implications of Bacterial Vaginosis

Part 2: Somatic Hypermutation - Challenging the Textbook Definition

16:11Introduction to B Cells and Somatic Hypermutation

Introduction to B Cells and Somatic Hypermutation

27:21Challenging the Textbook Definition of Somatic Hypermutation

Challenging the Textbook Definition of Somatic Hypermutation

Part 3: Experimental Evidence for New Specificities

35:14Experimental Design and Initial Findings on Affinity Birth

Experimental Design and Initial Findings on Affinity Birth

43:34Further Experiments and Evidence for New Specificities

Further Experiments and Evidence for New Specificities

52:23Analysis of Mutations and T Cell Co-stimulation

Analysis of Mutations and T Cell Co-stimulation

Part 4: Implications and Future Directions

1:00:23Implications and Future Research Directions

Implications and Future Research Directions