n. 1  A nucleic acid that carries the genetic information in cells and some viruses, consisting of two long chains of nucleotides twisted into a double helix and joined by hydrogen bonds between the complementary bases adenine and thymine or cytosine and guanine.
Less than 1 percent of patients with normal results on liver function tests before taking extended-release niacin tablets have elevated liver enzyme values (more than three times the reference range) after niacin is started.
High liver enzyme causes. The liver enzymes might rise due to several reasons. A liver injury could increase the liver enzymes levels in the blood. Hepatitis A, B and C are common causes of elevated liver enzymes. High liver enzymes might indicate presence of stone in the gall bladder or a gall bladder disease.