5 most common autoimmune disease

Here is the list of 5 fatal autoimmune diseases.

  1.            Multiple sclerosis (MS)
  2.          Type 1 diabetes mellitus.
  3.          Guillain-Barré syndrome
  4.          Rheumatoid arthritis
  5.          The systemic lupus erythematosus (lupus)
  6.          Inflammatory bowel disease (IBD)


This is the list of 5 autoimmune diseases. In an autoimmune disorder, a protein or complex of proteins is considered as a foreign body by the immune system of the patient to stimulate the immune system. As a result antibodies against that antigen started synthesis. These protein complexes can be DNA or RNA.

Distinguish between antigen and antibody

The definition of an antigen in biology is that it is a substance that stimulates our immune system to synthesize antibodies. If the antigen is internal then it will synthesize antibodies against its own body cells. Such kind of reaction occurs in fatal autoimmune diseases. Such a substance is called antigen biology/ immunology terms.

The antigen in the blood can be a bacteria or virus or pollen. This antigen stimulates the immune system of our body to synthesize a particular antibody. This particular antibody (Ig) acts against that antigen.

5 most common autoimmune disease

 what are the 2 Different types of antigens in our body

There are two types of antigens.

  • Autoantigen (self antigen)
  • Hetero genus Antigen(foreign antigen)

what at is a Heterogeneous disease?

 Any substance which enters the body is a heterogeneous antigen. it can be bacteria, viruses, es, or pollen. Any disease caused by a foreign body is called a heterogeneous disease. 

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