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Antibodies vs Antigen: Key Differences

Antibodies and antigens play distinct but complementary roles in the immune system. Antigens trigger immune responses, while antibodies are produced to neutralize them. Both are crucial for defending the body against infections.

  • 11 Apr 2025
  • 5 min read
  • 13 views

Do you want to know about antibodies and antigen difference? Well, antigens are substances that stimulate an immune response and have distinct epitopes or surface features, leading to specific responses. Your immune system’s B cells produce antibodies in response to antigen exposure.

Comparison Chart on Differences Between Antigen and Antibody

Let’s examine the difference between an antigen and an antibody. 

Antibody

Antigen

By immobilisation, antibodies protect your body

Antigen cause allergic reactions or diseases

They are proteins

They can be lipids, proteins, nucleic acids, or carbohydrates

There are five types of antibodies. (Immunoglobulins E, D, M, G, and A)

There are three types of antigens(Autoantigens, Endogenous and Exogenous)

 

Conclusion

You can now easily differentiate between antigens and antibodies. Antigens trigger your immune system, leading to the release of an antibody response. Specific antibodies can be helpful in detecting specific antigens. Remember to get health insurance to cover medical expenses.


Disclaimer: The information provided in this blog is for educational and informational purposes only. It is not intended as a substitute for professional advice, diagnosis, or treatment. Please consult your general physician or another certified medical professional for any questions regarding a medical condition. Relying on any information provided in this blog is solely at your own risk, and ICICI Lombard is not responsible for any effects or consequences resulting from the use of the information shared.

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