• 140. Gastrointestinal Mucus & Its Role in Combating Increased Intestinal Permeability | Highlighting Mucins & Secretory IgA, Along with Tools to Support Optimal Mucus Levels & Protect the Epithelium

  • 2024/09/13
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140. Gastrointestinal Mucus & Its Role in Combating Increased Intestinal Permeability | Highlighting Mucins & Secretory IgA, Along with Tools to Support Optimal Mucus Levels & Protect the Epithelium

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  • In this episode, we explore the crucial role of the protective mucus layer in maintaining intestinal lining integrity, highlighting how it shields the epithelial cells from harmful substances and supports overall digestive function. We dive into the components and functions of mucins, goblet cells, and secretory IgA, explaining their contributions to gut immunity and barrier integrity. Additionally, we discuss strategies for supporting mucus production centered around butyrate, N-acetyl glucosamine, and plant-derived mucilage. Topics: 1. Introduction: Overview of the Gastrointestinal Mucus Layer - Importance of the mucus secretions in forming a protective layer - Brief review of the gastrointestinal lining and its structure 2. The Mucosal Layer and Its Components - The mucus layer on the epithelial cells of the mucosa - Four main layers of the intestinal wall, focusing on the mucosa - Epithelium: absorptive enterocytes and mucus-secreting goblet cells - Lamina propria: connective tissue rich in immune cells, blood vessels, and lymphatics - Smooth muscle aiding in subtle movements - Submucosa: thicker connective tissue layer with blood vessels, nerves, and lymphatics 3. Dual Function of the Mucus Layer - Physical barrier preventing pathogens and toxins from reaching epithelial cells - Biochemical barrier housing antimicrobial peptides and immunoglobulins 4. Goblet Cells and Their Role in Mucin Production - Goblet cells: specialized epithelial cells producing mucins - Distribution of goblet cells from small to large intestine - Importance of goblet cells in maintaining the mucus barrier 5. Mucins: Structure and Glycosylation - Glycosylation and its role in mucus properties and host-microbiota interactions - Commensal bacteria and their interactions with mucins (e.g., Bacteroides and Akkermansia muciniphila) 6. The Importance of Controlled Mucin Degradation - Mutualistic relationship between mucin-degrading bacteria and the host - Risks of dysregulated mucin degradation, leading to dysbiosis and leaky gut 7. Secretory IgA and Its Role in Gut Immunity - Overview of secretory IgA (sIgA) and its production - sIgA’s mechanism of neutralizing pathogens "without inflammation" - Immune exclusion as a defense mechanism to maintain gut barrier integrity 8. Recap: The Dynamic Nature of the Mucus Layer - Continuous renewal of the mucus layer and the role of goblet cells and plasma cells - Importance of regular mucus turnover for maintaining a healthy gut barrier 9. Supporting Gastrointestinal Mucus Production - Short-chain fatty acids (SCFAs) and their role in stimulating mucus production - Butyrate and its effects on goblet cells and epithelial repair - N-Acetyl Glucosamine (NAG) as a supplement to support mucin glycosylation 10. Supporting the Intestinal Lining After Dysbiosis or Increased Permeability - Mucilage and its role in coating and soothing mucosal surfaces - Plant-derived mucilage from slippery elm and marshmallow root - Physical protection provided by mucilage - Soothing effects on inflamed tissues and promoting smooth digestion Thank you to our episode sponsor: 1. Check out ⁠⁠⁠Daily Nouri⁠⁠⁠ and use code ⁠⁠⁠CHLOE20⁠⁠⁠ for 20% off your order. Thanks for tuning in! Get Chloe's Book Today! "⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠75 Gut-Healing Strategies & Biohacks⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠" Follow Chloe on Instagram ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠@synthesisofwellness⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ Follow Chloe on TikTok @chloe_c_porter Visit ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠synthesisofwellness.com⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ to purchase products, subscribe to our mailing list, and more! --- Support this podcast: https://podcasters.spotify.com/pod/show/chloe-porter6/support
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あらすじ・解説

In this episode, we explore the crucial role of the protective mucus layer in maintaining intestinal lining integrity, highlighting how it shields the epithelial cells from harmful substances and supports overall digestive function. We dive into the components and functions of mucins, goblet cells, and secretory IgA, explaining their contributions to gut immunity and barrier integrity. Additionally, we discuss strategies for supporting mucus production centered around butyrate, N-acetyl glucosamine, and plant-derived mucilage. Topics: 1. Introduction: Overview of the Gastrointestinal Mucus Layer - Importance of the mucus secretions in forming a protective layer - Brief review of the gastrointestinal lining and its structure 2. The Mucosal Layer and Its Components - The mucus layer on the epithelial cells of the mucosa - Four main layers of the intestinal wall, focusing on the mucosa - Epithelium: absorptive enterocytes and mucus-secreting goblet cells - Lamina propria: connective tissue rich in immune cells, blood vessels, and lymphatics - Smooth muscle aiding in subtle movements - Submucosa: thicker connective tissue layer with blood vessels, nerves, and lymphatics 3. Dual Function of the Mucus Layer - Physical barrier preventing pathogens and toxins from reaching epithelial cells - Biochemical barrier housing antimicrobial peptides and immunoglobulins 4. Goblet Cells and Their Role in Mucin Production - Goblet cells: specialized epithelial cells producing mucins - Distribution of goblet cells from small to large intestine - Importance of goblet cells in maintaining the mucus barrier 5. Mucins: Structure and Glycosylation - Glycosylation and its role in mucus properties and host-microbiota interactions - Commensal bacteria and their interactions with mucins (e.g., Bacteroides and Akkermansia muciniphila) 6. The Importance of Controlled Mucin Degradation - Mutualistic relationship between mucin-degrading bacteria and the host - Risks of dysregulated mucin degradation, leading to dysbiosis and leaky gut 7. Secretory IgA and Its Role in Gut Immunity - Overview of secretory IgA (sIgA) and its production - sIgA’s mechanism of neutralizing pathogens "without inflammation" - Immune exclusion as a defense mechanism to maintain gut barrier integrity 8. Recap: The Dynamic Nature of the Mucus Layer - Continuous renewal of the mucus layer and the role of goblet cells and plasma cells - Importance of regular mucus turnover for maintaining a healthy gut barrier 9. Supporting Gastrointestinal Mucus Production - Short-chain fatty acids (SCFAs) and their role in stimulating mucus production - Butyrate and its effects on goblet cells and epithelial repair - N-Acetyl Glucosamine (NAG) as a supplement to support mucin glycosylation 10. Supporting the Intestinal Lining After Dysbiosis or Increased Permeability - Mucilage and its role in coating and soothing mucosal surfaces - Plant-derived mucilage from slippery elm and marshmallow root - Physical protection provided by mucilage - Soothing effects on inflamed tissues and promoting smooth digestion Thank you to our episode sponsor: 1. Check out ⁠⁠⁠Daily Nouri⁠⁠⁠ and use code ⁠⁠⁠CHLOE20⁠⁠⁠ for 20% off your order. Thanks for tuning in! Get Chloe's Book Today! "⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠75 Gut-Healing Strategies & Biohacks⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠" Follow Chloe on Instagram ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠@synthesisofwellness⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ Follow Chloe on TikTok @chloe_c_porter Visit ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠synthesisofwellness.com⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ to purchase products, subscribe to our mailing list, and more! --- Support this podcast: https://podcasters.spotify.com/pod/show/chloe-porter6/support
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