The Understanding The Antigen And Influence In The Immune System

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The Understanding The Antigen And Influence In The Immune System

The antigen is a substance that can stimulate the immune system or the immune system to produce antibodies as resistance, which is a form of body protection against antigens. Bacteria, viruses, and other harmful substances such as chemicals, are classified as antigens to the human body.

The immune system regards the antigen as a foreign substance that can threaten our body. Antigen generally comes from outside the body through food, drink, dirt, dust, and various things in the neighborhood. In addition, antigens are also found in tissues and cells in the body, including cancer cells.

Antigen Relations and Antibodies

As mentioned above, antibodies are part of the immune system that acts as a bulwark to protect the body from the threat of viruses, bacteria, germs, and infectious agents and diseases. Antibodies will be produced by the immune system according to the number of antigens.
Antibodies have a specific shape against the antigen to be resisted. It is intended that antibodies can stick to the antigen and fight it so that the antigen does not develop and cause infection and disease.

Antigen Test

Several types of tests can be performed to detect the presence of antigens on the surface of bacteria and germs, thereby helping the speed and accuracy of diagnosing a disease. Thus the treatment can be given more quickly, in order to achieve better treatment success.

Some types of tests are often performed, among others:

• Prostate-specific antigen (PSA)
This test is performed to measure PSA levels in men's blood. PSA is a chemical produced by the prostate gland. Useful as an examination to detect prostate disorders, such as prostatitis and prostate cancer.

• Dengue virus nonstructural protein 1 antigen (NS1)
This antigen test is performed to detect the presence of NS1 protein in the body. Positive results indicate a person is experiencing acute viral infection Dengue, so useful to diagnose dengue fever cases (DHF) quickly and precisely.

• Hepatitis B surface antigen (HBsAg)
This examination is performed to detect the presence of proteins present on the surface of the hepatitis B virus. Generally gives high yields on acute and chronic hepatitis B infection.

• HIV Antigen (P24)
Although not quite common in Indonesia, HIV antigen testing (P24) is performed to check whether a person is infected with HIV (Human Immunodeficiency Virus) or not. P24 is a protein contained in the HIV virus and can be detected high in the first few weeks after infection. This test can be combined with other types of tests to diagnose HIV.

In addition to the above tests, there are still various types of antigen tests that can be done to assist doctors in diagnosing infections or other medical conditions.

Keep Viruses and Bacteria Away

Antigen generally comes from outside the body, including viruses and bacteria. Here are some simple ways you can do to prevent infections and diseases caused by viruses and bacteria:

• Washing hands
Washing hands with soap before eating, after sneezing or coughing, after changing diapers, and after a bowel movement will help you kill viruses and bacteria.

• Vaccinations
Vaccination / immunization is very effective to protect your body against certain disease threats. Vaccines are often given to children, but adults also need to vaccinate as recommended.

• Drugs
Some types of medications can help protect our body from the disruption of germs that can cause certain infections and diseases.

Antigen is all around us, and it is often difficult to avoid. However, by constantly applying a healthy lifestyle, the body will have the ability to fight antigens and prevent disease. Consult a physician if you have symptoms of infection or other disorders. The doctor will perform certain antigen tests to help make the diagnosis, if necessary.
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