Camp Cardiac, run by medical students in over 30 cities nationwide (including Buffalo), is a 1-week summer day camps open to high school students interested in exploring careers in medicine.
What does cAMP do in the body?
cAMP is a second messenger, used for intracellular signal transduction, such as transferring into cells the effects of hormones like glucagon and adrenaline, which cannot pass through the plasma membrane. It is also involved in the activation of protein kinases.
What does cAMP do in skeletal muscle?
cAMP is a key intracellular signalling molecule that regulates multiple processes of the vertebrate skeletal muscle. We have shown that cAMP can be actively pumped out from the skeletal muscle cell.
Is calcium a second messenger in smooth muscle cells?
Smooth muscle does not contain regular striations or undergo the same type of excitation–contraction coupling. Instead, it typically uses second messenger signaling to open intracellular channels that release the calcium ions that control the contractile apparatus.
What controls contraction of cardiac muscle?
Cardiac muscle differs from skeletal muscle in that it exhibits rhythmic contractions and is not under voluntary control. The rhythmic contraction of cardiac muscle is regulated by the sinoatrial node of the heart, which serves as the hearts pacemaker.