Pheochromocytomas are neuroendocrine tumors present in adrenal glands. These tumors can produce high levels of catecholamines. Neuroendocrine tumors are those that develop from cells in the hormonal and nervous systems. The following sections will look at these in more detail.
The main reason a doctor will test a person’s catecholamine levels is to check for the presence of certain tumors, such as a neuroendocrine tumor or a neuroblastoma. It is also involved in mood regulation and the ability to concentrate.Ĭatecholamine levels that are too low or too high can sometimes indicate an underlying health issue. Noradrenaline release increases a person’s heart rate and blood pressure. This neurotransmitter helps the body respond to stress. When a person experiences stress, the body releases adrenaline to allow increased blood flow to the muscles, heart, and lungs. This neurotransmitter is responsible for the fight-or-flight response. This neurotransmitter sends signals throughout the nervous system. These hormones function in the following ways: Dopamine The main types of catecholamine are dopamine, adrenaline, and noradrenaline. The adrenal glands are located just above the kidneys. The body produces them in the brain, nerve tissues, and adrenal glands. Share on Pinterest Dopamine, adrenaline, and noradrenaline are the main types of catecholamine.Ĭatecholamines are hormones that also function as neurotransmitters.
