AdipoRon, Adiponectin receptor agonist

Supplementary information

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

ADIPOR1 and ADIPOR2 also known as Adiponectin Receptor 1 and Adiponectin Receptor 2 serve significant roles in cellular signaling specifically mediating the effects of adiponectin. ADIPOR1 and ADIPOR2 function as integral membrane proteins with molecular masses of approximately 42 kDa and 51 kDa respectively. These receptors mainly show expression in skeletal muscle and liver tissue. AdipoRon an adiponectin receptor agonist can activate these receptors to mimic adiponectin’s effects influencing fat metabolism and insulin sensitivity.

Biological function summary

ADIPOR1 and ADIPOR2 act without forming part of any large protein complexes. They regulate glucose and lipid metabolism through their interaction with adiponectin impacting insulin sensitivity and energy homeostasis. The interaction occurs due to the specific adiponectin structure that allows the proper binding and activation of these receptors. ADIPOR1 tends to mediate high-affinity binding of globular adiponectin while ADIPOR2 elicits the signaling of full-length adiponectin each contributing differently to metabolic processes.

Pathways

Both ADIPOR1 and ADIPOR2 play roles in the AMP-activated protein kinase (AMPK) and peroxisome proliferator-activated receptor alpha (PPARα) pathways. These pathways showcase the receptors’ abilities to influence lipid oxidation and glucose uptake. ADIPOR1 has closer interaction with pathways regulating AMPK affecting cellular energy levels. Additionally ADIPOR2 aligns more with PPARα pathways linked to fatty acid oxidation. Both receptors interact with proteins like APPL1 which facilitates downstream signaling events vital for cellular energy homeostasis.

ADIPOR1 and ADIPOR2 are strongly tied to metabolic conditions such as type 2 diabetes and non-alcoholic fatty liver disease (NAFLD). The receptors influence insulin sensitivity which makes them relevant in the pathophysiology of these conditions. Type 2 diabetes correlates with reduced receptor activity influencing glucose homeostasis and insulin resistance. In NAFLD altered receptor function impacts lipid metabolism contributing to the disease pathology. Moreover their interaction with adiponectin and associated proteins like Leptin further highlight their roles in these metabolic disorders.