Muscles may act as agonists, antagonists, synergics and fixators.
They may mimic naturally occurring steroids, act as hormone receptor agonists or antagonists or alter the enzymes responsible for hormone synthesis and degradation.
Opioid receptor agonists act at sites that are distributed throughout this circuit to produce analgesia.
These observations provide support for the model that glucose and structurally related sugars are agonists of the Gpr1 receptor.
Medications that can reduce androgen levels include estrogen, gonadotropin-releasing hormone agonists, and glucocorticoids.
There are a number of immediate treatments to alleviate attacks, such as quick or short-acting beta-2 agonists that help acute episodes.
