Nutritional Impact of Autoimmune Diseases

Nutritional impact on (auto)immune diseases
Introduction ##### Nutritional impact on (auto)immune diseases ##### Introduction Naturally occurring components can have potent effects - Narcotics: cocaine, opium, cannabis - Alcohol - Drugs: - Tumeric (curcuma): Inflammation/digestion - Bicyclol - Bepatitis - paclitaxel (Taxus) -

  • Hippocrates: "all diseases start in the gut."

  • Approximately 80% of diseases arise in the gut. This highlights the critical role of the gastrointestinal system in overall health and disease development.

Normal Gut, Microbiota, and Immune Development

  • Human Infant Type:

    • Increased mucus secretion: Provides a protective layer.

    • Production of metabolites: Substances produced by gut bacteria that can influence host physiology.

    • Presence of bifidobacteria: Beneficial bacteria crucial for early immune development.

    • Includes bacterium, commensal bacteria, and pathobionts: These microorganisms collectively shape the gut environment and immune responses.

  • Key Cells & Structures:

    • M cells: Specialized cells that transport antigens across the epithelial layer to initiate immune responses.

    • B cells: Produce antibodies, including IgA, to neutralize pathogens.

    • Dendritic cells: Antigen-presenting cells that activate T cells and initiate adaptive immunity.

    • Treg cells: Regulatory T cells that suppress excessive immune responses and maintain tolerance.

    • Peyer's patch: Organized lymphoid tissue in the small intestine that samples antigens and initiates immune responses.

    • Mesenteric lymph node: Drains lymph from the intestine and plays a role in immune surveillance.

    • IgA-producing plasma cells: Secrete IgA antibodies, which are crucial for mucosal immunity.

    • Macrophage: Phagocytic cells that engulf and destroy pathogens and cellular debris.

    • Paneth cell (produces defensins): Secrete antimicrobial peptides that help regulate the gut microbiota.

  • Early Life Influencing Factors:

    • Term/preterm birth: Gestational age influences the initial composition of the gut microbiota.

    • Mode of delivery: Vaginal vs. Cesarean delivery affects the initial exposure to microbes.

    • Maternal factors: Maternal diet, genetics, and health status impact the infant's gut microbiota.

    • Genetic factors: Host genetics influence susceptibility to immune-related diseases.

  • Maturation Processes:

    • Bacterial colonization: The sequential colonization of the gut by different bacterial species.

    • Increased epithelial cell proliferation: Rapid turnover of epithelial cells helps maintain gut barrier integrity.

  • Gut development is largely established in the first 3 years of life. This period is critical for establishing lifelong immune function and tolerance.

Chronic Diseases

  • Examples of chronic diseases include:

    • Alzheimer’s disease

    • Asthma

    • Cancer

    • Chronic obstructive lung diseases

    • Chronic pain

    • Type 2 diabetes

    • Heart disease

    • Inflammatory bowel disease

    • Stroke

    • Autoimmune diseases like rheumatoid arthritis, lupus, and multiple sclerosis. These represent a broad spectrum of conditions with complex etiologies.

  • Approximately 60% of chronic diseases can be prevented by a healthy diet. This underscores the importance of nutrition in disease prevention.

Overview

  • Key topics to be covered:

    • Healthy lifestyle

    • The impact of nutritional factors on the immune system

    • Autoimmune diseases

    • Dietary research. These topics aim to provide a comprehensive understanding of the relationship between nutrition, immunity, and autoimmune diseases.

Healthy Lifestyle

  • Important elements of a healthy lifestyle include:

    • Consuming vegetables

    • Positive mindset

    • Staying hydrated (water)

    • Engaging in sports

    • Consuming fruits

    • Ensuring organic food intake

    • Maintaining adequate vitamin levels. These elements collectively contribute to overall well-being and immune resilience.

Historical Perspective (Greek and Chinese Medicine)

  • Greek Medicine (Humoral Theory):

    • Associated elements with qualities: Fire (hot, dry), Air (wet), Earth (cold), Water (cold, wet).

    • Related these to bodily fluids (humors): Yellow bile (fire), Blood (air), Black bile (earth), Phlegm (water). These associations formed the basis of humoral theory.

    • Examples of foods associated with these qualities: Olives, cheeses, figs, asparagus and bread dipped in wine. Foods were categorized based on their perceived qualities.

  • Chinese Medicine (Five Elements):

    • Five elements (Wu Xing): Wood (Mù), Fire (Huo), Earth (Tǔ), Metal (Jīn), Water (Shui).

    • Emphasized balance and harmony. Maintaining proper balance among the elements was considered essential for health.

The Magic of Placebo

  • Conditioning: Placebos work through conditioning, where patients expect relief when they take medication.

    • Referenced Dr. Ivan Pavlov's experiments with dogs salivating at the sound of a bell. Pavlov's experiments demonstrated the power of classical conditioning.

    • In the case of placebos, the anticipation of a therapeutic effect can trigger physiological changes that mimic the effects of the actual medication. The placebo effect highlights the mind-body connection and the potential for psychological factors to influence health outcomes.

Nutritional impact on (auto)immune diseases

Introduction

Naturally occurring components can have potent effects

  • Narcotics: cocaine, opium, cannabis

  • Alcohol

  • Drugs:

  • Tumeric (curcuma): Inflammation/digestion

  • Bicyclol - Bepatitis

  • paclitaxel (Taxus) -

Types of diets/dietary patterns

Diets suggested to impact autoimmune diseases:

  • Western diet/high fat diet

  • Mediterranean

  • Paleo (high protein, low carbohydrate)

  • Keto (high fat)

  • Low fat diet

  • Caloric restriction, intermittent fasting