Recombinant Human PGC Protein Standard (His tag)

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Pepsinogen II also known as PGC or progastricsin functions as a digestive zymogen activated to pepsin in the acidic environment of the stomach. This enzyme precursor has a molecular mass of approximately 42-47 kDa. It is primarily expressed in the gastric chief cells and mucous cells of the stomach lining. Pepsinogen II plays an important role in the initial digestion of proteins breaking down complex protein molecules into peptides.

Biological function summary

Pepsinogen II contributes to digestive processes by converting into active pepsin at low pH levels facilitating protein degradation. Unlike some other digestive enzymes pepsin works independently from a complex. The production and secretion of pepsinogen II align with the gastric acid production ensuring efficient digestive activity. Its expression is vital for proper nutritional absorption and maintenance of gastrointestinal health.

Pathways

Pepsinogen II is closely involved in the proteolytic enzyme pathway. It connects with other gastric enzymes such as pepsin A through the activation processes influenced by gastric acid secretion. This interplay among digestive enzymes ensures optimal protein breakdown and nutrient absorption. The regulatory mechanisms that modulate gastric acid and pepsinogen secretion play an integral role in maintaining the digestive efficiency.

Pepsinogen II levels can serve as biomarkers for certain gastric conditions including gastritis and gastric cancer. Altered levels of pepsinogen II are associated with atrophic gastritis where reduced enzyme levels reflect damage to gastric mucosa. Also increased serum pepsinogen II concentration can indicate potential gastric cancer risk. These conditions highlight pepsinogen II's clinical importance in gastrointestinal disease diagnosis and management.