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What to know about the anti-smooth muscle antibody test

What to know about the anti-smooth muscle antibody test

Certain health conditions, including liver disease and hepatitis, cause the immune system to produce anti-smooth muscle antibodies. Doctors use a blood test to check for these antibodies. Anti-smooth muscle antibodies (ASMAs) attack several structural proteins in smooth muscle, affecting the liver and other tissues. The presence of ASMA in the blood indicates that a person […]

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Hepatitis A-like virus identified in seals

Hepatitis A-like virus identified in seals

Scientists in the Center for Infection and Immunity at Columbia University’s Mailman School of Public Health have discovered a new virus in seals that is the closest known relative of the human hepatitis A virus. The finding provides new clues on the emergence of hepatitis A. The research appears in the July/August issue of mBio, […]