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USMLE - Chapter 2 - Immunology

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  1. Primary Lymphoid Organs to Lymph Node Structural Diagram
    7Topics
  2. Introduction to Lymphatic Drainage to Lymph Node Palpability and Right Lymphatic Duct
    6Topics
  3. Spleen Structure Overview to Thymus-Related Conditions
    6Topics
  4. Components and Mechanism of Immunity to Understanding Immune Privilege
    4Topics
  5. MHC I and II: Introduction and Loci to DQ8, DR3, DR4
    9Topics
  6. Functions of Natural Killer Cells to Major Functions of T Cells
    3Topics
  7. T Cell Development: Bone Marrow & Thymus to Regulatory T Cells and Autoimmunity
    6Topics
  8. T-cell Activation: Antigen Presentation to B-cell Activation: Co-stimulation, Class Switching, and Maturation
    4Topics
  9. Antibody Structure and Function to Antibody Diversity and Specificity
    4Topics
  10. Introduction to Immunoglobulin Isotypes to Thymus-Dependent Antigens
    7Topics
  11. Introduction to Complement System to Convergence and MAC Formation
    9Topics
  12. Early Complement Deficiencies to PNH: Hemolysis & Thrombosis
    4Topics
  13. Interleukin-1: Macrophage Secretion and Acute Response to IL-10 and IL-13: Immune Regulation and IgE Production
    7Topics
  14. Respiratory Burst Introduction to Interferons Clinical Use & Side Effects
    5Topics
  15. T Cell Surface Proteins to Examples of Passive and Active Immunity
    4Topics
  16. Live Attenuated Vaccines: Description to mRNA Vaccine
    8Topics
  17. Overview of Hypersensitivity Types to Type II: Cellular Dysfunction & Clinical Examples
    6Topics
  18. Type III Hypersensitivity: Mechanism & Examples to Type IV Hypersensitivity: Examples & Tests
    5Topics
  19. Allergic and Anaphylactic Transfusion Reactions to Delayed Hemolytic Transfusion Reaction
    5Topics
  20. Autoantibodies in Neuromuscular and Systemic Diseases to Autoantibodies in Metabolic, Hematologic, and Renal Disorders
    5Topics
  21. Bruton's Agammaglobulinemia to Chronic Mucocutaneous Candidiasis
    7Topics
  22. Severe Combined Immunodeficiency (SCID) to Chronic Granulomatous Disease
    7Topics
  23. Intro to Immunodeficiency & T-Cell Bacterial Infections to Parasitic Infections & Key Deficiency Note
    5Topics
  24. Hyperacute Transplant Rejection to Histology of Transplant Rejection
    5Topics
  25. Immunosuppressants: Definition and Risks to Sirolimus & Basiliximab: Clinical Aspects
    5Topics
  26. Azathioprine to Immunotherapy: Interleukin-2 and Interferons
    6Topics
  27. TNF-α Inhibitors: Adalimumab & Infliximab to Omalizumab & Palivizumab: Allergic & Viral
    7Topics
Lesson 20 of27
In Progress

Autoantibodies in Neuromuscular and Systemic Diseases to Autoantibodies in Metabolic, Hematologic, and Renal Disorders

Content August 26, 2025

Autoantibodies

AUTOANTIBODY ASSOCIATED DISORDER
Anti-postsynaptic ACh receptor Myasthenia gravis
Anti-presynaptic voltage-gated calcium channel Lambert-Eaton myasthenic syndrome
Anti-β₂ glycoprotein I Antiphospholipid syndrome
Antinuclear (ANA) Nonspecific screening antibody, often associated with SLE
Anticardiolipin, lupus anticoagulant SLE, antiphospholipid syndrome
Anti-dsDNA, anti-Smith SLE
Antihistone Drug-induced lupus
Anti-U1 RNP (ribonucleoprotein) Mixed connective tissue disease

AUTOANTIBODY ASSOCIATED DISORDER
Rheumatoid factor (IgM antibody against IgG Fc region), anti-cyclic citrullinated peptide (anti-CCP, more specific) Rheumatoid arthritis
Anti-Ro/SSA, anti-La/SSB Sjögren syndrome
Anti-Scl-70 (anti-DNA topoisomerase I) Scleroderma (diffuse)
Anticentromere Limited scleroderma (CREST syndrome)
Antisynthetase (eg, anti-Jo-1), anti-SRP, anti-helicase (anti-Mi-2) Polymyositis, dermatomyositis

AUTOANTIBODY ASSOCIATED DISORDER
Antimitochondrial 1° biliary cholangitis
Anti-smooth muscle, anti-liver/kidney microsomal-1 Autoimmune hepatitis
Myeloperoxidase-antineutrophil cytoplasmic antibody (MPO-ANCA)/perinuclear ANCA (p-ANCA) Microscopic polyangiitis, eosinophilic granulomatosis with polyangiitis, ulcerative colitis, 1° sclerosing cholangitis
PR3-ANCA/cytoplasmic ANCA (c-ANCA) Granulomatosis with polyangiitis
Anti-phospholipase A₂ receptor 1° membranous nephropathy

AUTOANTIBODY ASSOCIATED DISORDER
Anti-hemidesmosome Bullous pemphigoid
Anti-desmoglein (anti-desmosome) Pemphigus vulgaris
Antithyroglobulin, antithyroid peroxidase (antimicrosomal) Hashimoto thyroiditis
Anti-TSH receptor Graves disease
IgA anti-endomysial, IgA anti-tissue transglutaminase, IgA and IgG deamidated gliadin peptide Celiac disease

AUTOANTIBODY ASSOCIATED DISORDER
Anti-glutamic acid decarboxylase, islet cell cytoplasmic antibodies Type 1 diabetes mellitus
Antiparietal cell, anti-intrinsic factor Pernicious anemia
Anti-glomerular basement membrane Goodpasture syndrome

Topics Covered:

  • Autoantibodies in Neuromuscular and Systemic Diseases
  • Autoantibodies in Rheumatoid Arthritis and Scleroderma
  • Autoantibodies in Hepatic, Renal, and Vasculitic Disorders
  • Autoantibodies in Dermatologic, Endocrine, and GI Diseases
  • Autoantibodies in Metabolic, Hematologic, and Renal Disorders