Taste, pain, or response to stress—nearly all essential functions in the human body are regulated by molecular switches ...

Atenolol blocks beta-1 receptors, which are present on the heart. This medication is a beta-blocker, prescribed for high blood pressure and to prevent heart pain and recurrence of heart attacks.

Atenolol blocks beta-1 receptors, which are present on the heart. This prevents the action of nerve chemicals adrenaline and noradrenaline on the heart. As a result, heart beats at a slower rate ...

G-protein coupled receptors regulate hormone secretions ... different GPCRs (Regard et al. 2007). Table 1 lists some of the GPCRs expressed by beta cells that are known to affect insulin secretion ...