Goodpasture syndrome


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Goodpasture syndrome

Immune system

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Neonatal sepsis


Hypersensitivity reactions

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Type II hypersensitivity

Immune thrombocytopenic purpura

Autoimmune hemolytic anemia

Hemolytic disease of the newborn

Goodpasture syndrome

Rheumatic heart disease

Myasthenia gravis

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Immune system organ disorders


Ruptured spleen

Immune system pathology review

Blood transfusion reactions and transplant rejection: Pathology review

Immunodeficiencies: T-cell and B-cell disorders: Pathology review

Immunodeficiencies: Combined T-cell and B-cell disorders: Pathology review

Immunodeficiencies: Phagocyte and complement dysfunction: Pathology review


Goodpasture syndrome


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Goodpasture syndrome

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Goodpasture syndrome p. 48, 620

autoantibody p. 113

HLA-DR2 p. 98

labs/findings p. 723

restrictive lung disease p. 700

type II hypersensitivity reactions p. 110


Content Reviewers


Rishi Desai, MD, MPH

Tanner Marshall, MS

Vincent Waldman, PhD

Goodpasture syndrome is an autoimmune disease that primarily affects two organs - the lungs and the kidneys.

It causes inflammation and eventually bleeding in the lungs which leads to ‘hemoptysis’ or coughing up of blood, and hematuria or blood in the urine, a pattern first recognized by the pathologist - Dr. Ernest Goodpasture.

To understand Goodpasture syndrome, let’s start by thinking about the basement membrane which is a thin, sheet-like layer of tissue made of protein that keeps the epithelium stuck firmly to actual organ - a bit like double-sided tape which keeps gift wrapping paper stuck to the gift.

The basement membrane is made up of various proteins, but the major one is collagen, and since basement membrane exists throughout every organ system, it’s no wonder that collagen is the most abundant protein in the human body.

As far as proteins go, collagen is a pretty awesome looking one, with a triple-helix structure composed of three separate chains that are intertwined like braided hair.

Each of the chains can be one of six types, named α1 through α6, and the most common form of collagen found in the basement membrane is collagen type IV, which is made by mixing and matching these six α-chains.

One version of type IV collagen combines the α3, α4, and α5 chains. Another combines two α1’s and an α2. A third version has two α5’s and an α6. And so on.

So it turns out that the α3/α4/α5 variant is most common in the glomerular basement membrane of the kidneys and the alveolar basement membrane of the lungs.

In Goodpasture syndrome, autoantibodies bind to a specific part of the α3 chain that is usually hidden deep within the folded chains.

This is an example of a type II hypersensitivity reaction, because once these autoantibodies, usually IgG but rarely IgM or IgA, bind to the the α3 chain, they activate the complement system. The complement system is a series of small proteins present in the blood that act like an enzymatic cascade to fight off bacterial and other pathogenic invasions.


Goodpasture's syndrome is a rare autoimmune disease in which antibodies attack the basement membrane in lungs and kidneys, leading to bleeding from the lungs and kidney failure. It is thought to attack the alpha-3 subunit of type IV collagen, which has therefore been referred to as Goodpasture's antigen.

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