What is Progesterone? Progesterone is a steroid hormone produced primarily by the ovaries after ovulation, the adrenal glands, and in pregnancy by...
What is Albumin? Albumin is the most abundant protein in human plasma and is synthesized by the liver. It plays a central role in maintaining oncotic...
What are Jo-1 Antibodies Jo-1 antibodies are autoantibodies directed against histidyl-transfer RNA (tRNA) synthetase—an enzyme involved in protein...
What is NT-proBNP? NT-proBNP (N-terminal pro–B-type natriuretic peptide) is an inactive peptide released into the bloodstream when the heart muscle...
What is IGF-1? Insulin-Like Growth Factor 1 (IGF-1) is a peptide hormone produced primarily by the liver in response to growth hormone (GH)...
What is ALT? Alanine aminotransferase (ALT) is an intracellular enzyme primarily found in hepatocytes. It plays a role in amino acid metabolism and...
What is Cortisol? Cortisol is a glucocorticoid hormone produced by the adrenal glands in response to signals from the hypothalamic-pituitary-adrenal...