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 | Pepsinogen (PG) is a single-chain polypeptide composed of 375 amino acids that belongs to the aspartate protein family. Human pepsinogen can be divided into seven isoenzymes, of which pg1-pg5 has common immunogenicity, known as PG I; pg6 to pg7 has a slower migration rate and is called PG II. The change of serum PG level … Pepsinogen I">Continue reading Pepsinogen I | |
| Pepsinogen (PG) is a single-chain polypeptide composed of 375 amino acids that belongs to the aspartate protein family. Human pepsinogen can be divided into seven isoenzymes, of which pg1-pg5 has common immunogenicity, known as PG I; pg6 to pg7 has a slower migration rate and is called PG II. The change of serum PG level … Pepsinogen II">Continue reading Pepsinogen II | |
| Prostate Specific Antigen (PSA) is a single-chain glycoprotein secreted by prostate epithelial cells, which belongs to the kininase family, and exists in prostate tissue and semen. PSA can be present alone in free form (fPSA) or in a bound state (cPSA) by binding to α1-antichymotrypsin or α2-macroglobulin. The free form and bound form of PSA … Total Prostate-Specific Antigen (tPSA)">Continue reading Total Prostate-Specific Antigen (tPSA) |