Purpose: Several scoring systems to evaluate patients with hepatocellular carcinoma (HCC) exist. A good scoring system should provide information on prognosis and guide therapeutic decisions. The ...

Chemerin is a key adipokine that regulates lipid metabolism and insulin sensitivity, and thus is involved in many metabolic ...

Breaking a longstanding impasse in our understanding of olfaction, scientists at UC San Francisco have created the first molecular-level, 3D picture of how an odor molecule activates a human odorant ...

Opioid receptors are proteins in the nervous system that interact with opioids. Opioid receptors are part of the endogenous opioid system. This is the body’s internal system for regulating pain, ...

The approval of the GLP-1 receptor agonist semaglutide for weight regulation in January 2023 ushered in a new era of obesity therapy. In recent months, however, drug regulatory authorities have also ...

D epression can be challenging to treat. Typical antidepressants, which affect levels of chemicals in the brain involved in mood regulation, have been evolving for decades. But recent findings ...

For the first time, researchers have determined how a human olfactory receptor captures an airborne scent molecule, the pivotal chemical event that triggers our sense of smell. Whether it evokes roses ...

Opioids slot into opioid receptors and activate them. This sends signals to your brain to relieve pain and promote pleasure. Both endogenous opioids, which your body naturally produces, and exogenous ...