Risk Factors of Autoimmune disease - PowerPoint PPT Presentation

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Risk Factors of Autoimmune disease

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Genetics plays a significant role in the development of autoimmune diseases. Family history and specific genetic markers can increase susceptibility. Family History: Higher risk if a close family member has an autoimmune disease (e.g., rheumatoid arthritis). Specific Genes: Variations in the Human Leukocyte Antigen (HLA) complex. Example: HLA-DRB1 gene linked to rheumatoid arthritis and type 1 diabetes. – PowerPoint PPT presentation

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Date added: 17 September 2024
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Title: Risk Factors of Autoimmune disease


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Understanding Autoimmune Diseases
Autoimmune diseases occur when the immune system
mistakenly attacks the body's own tissues. This
leads to chronic inflammation and damage to
various organs and systems. A combination of
genetic, environmental, and lifestyle factors
contribute to their development. Understanding
the risk factors is vital for timely detection,
effective management, and improving quality of
life.
3
Genetic Risk Factors
  • Genetics plays a significant role in the
    development of autoimmune diseases.
  • Family history and specific genetic markers can
    increase susceptibility.
  • Family History Higher risk if a close family
    member has an autoimmune disease (e.g.,
    rheumatoid arthritis).
  • Specific Genes Variations in the Human Leukocyte
    Antigen (HLA) complex.
  • Example HLA-DRB1 gene linked to rheumatoid
    arthritis and type 1 diabetes.

4
Environmental Risk Factors
  • Environmental factors can trigger or aggravate
    autoimmune diseases.
  • Infections Pathogens can trigger autoimmune
    responses (e.g., Epstein-Barr virus linked to
    lupus and multiple sclerosis).
  • Exposure to Toxins and Chemicals Occupational
    exposure to silica dust linked to systemic
    sclerosis and rheumatoid arthritis.
  • Smoking is linked to rheumatoid arthritis, lupus,
    and other conditions.

5
Hormonal Risk Factors
  • Hormones play a critical role in the immune
    system. Hormonal changes can impact the
    development and progression of autoimmune
    diseases.
  • Gender Autoimmune diseases are more common in
    women. Estrogen and progesterone may influence
    immune system function.
  • Pregnancy Hormonal changes during pregnancy can
    impact disease activity. Example Rheumatoid
    arthritis may improve during pregnancy but flare
    up postpartum.

6
Lifestyle Risk Factors
  • Lifestyle choices can influence the risk of
    developing autoimmune diseases.
  • Smoking Increases risk of rheumatoid arthritis,
    multiple sclerosis, and lupus. Can trigger
    autoimmune responses and exacerbate inflammation.
  • Stress Chronic stress can alter the balance of
    cytokines, triggering or worsening autoimmune
    responses.
  • Diet and Nutrition Diets high in processed
    foods, sugar, and unhealthy fats increase risk.
    Diets rich in anti-inflammatory foods can lower
    risk.

7
The Role of the Gut Microbiome
  • The gut microbiome consists of trillions of
    microorganisms that regulate the immune system.
  • Dysbiosis An imbalance in the gut microbiome
    linked to autoimmune diseases.
  • Leaky Gut Increased intestinal permeability
    allows toxins and undigested food particles into
    the bloodstream. This triggers an immune
    response, potentially leading to autoimmune
    diseases.
  • Probiotics and prebiotics support gut health,
    potentially reducing risk.

8
Risk Factors for Rheumatoid Arthritis (RA)
  • Smoking
  • Genetics Variations in HLA-DRB1 and other genes
  • Gender and Hormonal Factors More common in
    women hormonal changes affect disease activity
  • Infections Certain infections may trigger RA in
    genetically predisposed individuals

9
Risk Factors for Systemic Lupus Erythematosus
(SLE)
  • Genetics Family history and specific genetic
    markers (HLA-DR2, HLA-DR3)
  • Gender More common in women, especially of
    childbearing age
  • Environmental Factors UV light exposure
  • Infections Epstein-Barr virus infection

10
Risk Factors for Multiple Sclerosis (MS)
  • Genetics Variations in HLA-DRB1 and other genes
  • Geography Higher prevalence in regions farther
    from the equator (possible vitamin D deficiency)
  • Infections Epstein-Barr virus and other viral
    infections
  • Smoking

11
Risk Factors for Type 1 Diabetes
  • Genetics Specific genes (HLA-DR3, HLA-DR4)
  • Infections Viral infections (e.g.,
    Coxsackievirus)
  • Diet Early introduction of cow's milk and gluten
    in infancy increases risk

12
Risk Factors for Inflammatory Bowel Disease (IBD)
  • Genetics Family history and specific genetic
    markers (NOD2/CARD15)
  • Smoking
  • Diet High in processed foods and low in fiber
    increases risk
  • Stress

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Conclusion and Contact Information
While some risk factors like genetics and gender
cannot be changed, others like smoking, diet, and
stress can be modified. At Plexus Bangalore and
Hyderabad, we offer customized rehabilitation for
autoimmune conditions. Reach out to us to know
more today. WhatsApp 91 89048 42087 Call 91
78159 64668 (Hyderabad) 91 82299 99888
(Bangalore)
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