Recombinant Human Pancreatic Polypeptide protein (GST tag N-Terminus)

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

Pancreatic Polypeptide also known as PP is a small protein with a molecular mass approximately 4200 Da. It is secreted by PP cells in the pancreas particularly in the F-cells located in the Langerhans islets. This peptide is highly conserved among different species including the rat where it displays similar function and expression patterns. Pancreatic polypeptide regulates various physiological processes by binding to specific receptors on target tissues.

Biological function summary

In various mammalian species including rats pancreatic polypeptide plays a significant role in the regulation of appetite and pancreatic secretion. It is not recognized as part of a multi-protein complex but it directly influences the function of digestive organs by inhibiting pancreatic exocrine secretions and gallbladder contraction. This makes it an important mediator in controlling the body's energy balance and digestive functions.

Pathways

Pancreatic polypeptide is involved in the peptidergic pathway regulating energy homeostasis and digestive processes. It interacts with the Y receptor family particularly the Y4 receptor which contributes to its regulatory actions on appetite and digestive enzyme secretion. This peptide works alongside other polypeptides such as neuropeptide Y and peptide YY in mediating these complex physiological pathways.

Pancreatic polypeptide levels relate to conditions such as obesity and diabetes. Altered secretion of this peptide can contribute to obesity by affecting appetite regulation and energy homeostasis. Furthermore in diabetes pancreatic polypeptide is connected to abnormal pancreatic function often observed alongside insulin and glucagon dysregulation. Understanding these relationships can provide insight into therapeutic strategies targeting metabolic and endocrine disorders.