Hepatitis B surface antigen antibody ELISA kit related presentations

Hepatitis B surface antigen (HBsAg) of hepatitis B virus coat protein itself is not contagious , but it is often accompanied by the appearance of the presence of hepatitis B virus , so it is already a sign of hepatitis B virus infection . It may be present in the blood, saliva, milk , sweat , tears , nasopharyngeal secretions , semen and vaginal secretions . Hepatitis B virus infection after 2 to 6 months, when alanine aminotransferase first 2 to 8 weeks, measured in serum positive results . Most patients with acute hepatitis B may be negative early in the course of chronic hepatitis B patients the index of sustainable positive.
One of the reasons that induced acute hepatitis B hepatitis , acute hepatitis may induce hepatitis B is mainly because when the body is infected with hepatitis B virus, the body's T-cells that attack the liver cells, and release it into the blood of the hepatitis B virus , and with specific antibodies combination makes interferon production increased.
Chronic active hepatitis, hepatitis B also induce the generation , mainly due to the defects and immune function in patients with immune disorders , making the body in hepatitis B virus replication and could easily lead to chronic infection . In addition, because the intrusion of HBV -specific liver cell membrane lipoproteins that form its own antigens , inhibition of T cell activity , leading to liver cell damage.
Induced chronic persistent hepatitis is one of the causes of hepatitis B , mainly asymptomatic HBV carriers and chronic persistent hepatitis immune dysfunction in its case of re-infection of hepatitis B virus , making the body can not produce an effective immune response the emergence of liver cell damage , and because of their own lack of hepatitis B virus carriers prion leaving can not clear the virus and showed long-term carrier state .
The four -induced hepatitis that causes severe hepatitis occurs when the patient is suffering from severe hepatitis will make the body's immune response is too strong , T cell anti-drug reaction rapidly destroyed , along with increased activity of HBV replication makes serious liver damage


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