4-Hydroxybenzyl alcohol exhibits beneficial effects in cerebral ischemic injury, has neuroprotective effect through upregulation of Nrf2, Prdx6, and PDI expression via the PI3K/Akt pathway.

Polyporusterone C (Compound 3) is a natural product that can be isolated from Polyporus umbellatus. Polyporusterone C shows cytotoxic activities with IC50s of 37, 26 and 42 μg/mL against L-1210 cells at 3, 5 and 7 days, respectively.

Secretin (swine), a neuroendocrine hormone, is the first hormone to be identifie and is secreted by S cells that are localized primarily in the mucosa of the duodenum. Secretin also is a 27-amino acid peptide, which acts on secretin receptors. Secretin is expressed by cells in all mature enteroendocrine cell subsets and can be prompted by fatty acids. Secretin stimulates the secretion of pancreatic water and bicarbonate. Secretin exerts various effects in organs, can be used for the research of digestive system, central nervous system and energy metabolism.