Difference Between Antigen and Antibody

1. Difference Between Antigen and Antibody - Urgent Care Texas

2. What Is Antigen? Antigens, also known as immunogens, are toxins or compounds in our blood that cause our body to resist them for being foreign substances. Antigens are mainly bacteria or viruses, but they can also be foreign substances that pose a health risk.  Antigens activate our body’s disease-fighting white blood cells, known as lymphocytes. They stimulate white blood cells to produce cells called antibodies that try to protect our body by attacking these antigens. Heteroantigens and autoantigens are the two primary categories of antigens. Heteroantigens are compounds that are not manufactured by or found naturally in our body, and they include substances such as protozoa, bacteria, viruses, snake venom, and other elements.  Autoantigens, also known as self-antigens, are proteins produced naturally by our body to combat our cells and usually indicate an autoimmune disease. These mostly help to strengthen our immune system by helping our body generate antibodies before any external antigens can even enter the body.

3. What Is Antibody? Antibodies Y-shaped proteins produced by B lymphocytes or B cells in our immune system. These B lymphocytes assault and remove viruses and other poisons. They accomplish this by developing antibodies that are specific to a single antigen. These antigen-specific antibodies bind to their antigens and mark them for any attack. Thus, they ensure our bodies and all our healthy cells remain safe from any antigen attack.  Antibodies (immunoglobulins) come in a variety of forms. IgG These are the antibodies that are found in the highest concentration in our plasma. They cleanse the body of harmful toxins while also providing long-term protection. IgM These are the earliest antibodies produced by B cells in response to antigens. IgA These antibodies bind to antigens and transport them out of your body through mucus or other bodily fluids.

4. Differences Between Antigen And Antibody Here are the critical differences between antigens and antibodies – Antibodies, also known as Immunoglobulins, have protein, a molecule type, while antigens have a lipid molecular type. However, antigens can also have nucleic acids, carbohydrates, and proteins as their molecular type. While antigens cause illnesses and allergic reactions, antibodies help the body protect itself against these antigens’ effects.  Lastly, antigens originate outside the body, while antibodies form inside the body. Antibodies are formed in response to antigens – they help immobilize antigens to protect the body from allergies or illnesses.  Get More Details Information Click Here

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