tetramer

Magnesium Lithospermate B is a natural product activates eNOS and ameliorates endothelial dysfunction in diabetes by enhancing vasodilation in addition to reducing oxidative stress, it can protecte cardiomyocytes from ischemic injury through specific inhibition of TAB1-p38 apoptosis signaling.improves renal failure.

Streptavidin is a protein tetramer purified from bacteria with a very high affinity for biotin and is commonly used for the purification or detection of various biomolecules. Streptavidin is immunologically active, inhibiting IL-2 synthesis and CD25 expression in T cells.

Vitisin A ((+)-Vitisin A) is a resveratrol tetramer that can be isolated from the roots of Vitis vinifera and possesses antioxidant, anticancer, antiapoptotic, neuroprotective, and anti-inflammatory activities.It ameliorates the impaired learning and memory functions of scopolamine-induced amnesia in ICR mice, and can be used in the study of degenerative diseases.