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Physiological role of proteinaceous harmones

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Physiological Roles of Proteinaceous
Hormone

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Peptide Hormones
Peptide hormones and protein hormones are hormones whose molecules are
peptides or proteins, respectively.
Peptide hormones act as ligands for a wide range of G protein-coupled
receptors.
Peptide hormones are secreted and function in an endocrine manner to
regulate many physiological functions.
These functions include:
i. Growth
ii. Appetite and energy metabolism
iii. Cardiac function
iv. Stress
v. Reproductive physiology etc.
There are multiple proteinaceous hormones that perform various functions.
Some of which are discussed as follows.
Insulin
Insulin is a hormone, a chemical messenger produced by the pancreas. It is a
protein responsible for regulating blood glucose levels. Its functions are:
Regulate metabolism of carbohydrates and fats
Promote the absorption of glucose from skeletal muscles and fat tissues
Causes fat to be stored rather than used for energy
Glucagon
Glucagon is a peptide hormone produced by alpha cells of the pancreas. It works
antagonistically to insulin and works to increase glucose levels in blood. Its
functions are:
Raises the concentration of glucose in the bloodstream
Causes the liver to convert stored glycogen into glucose, which is released in
to the bloodstream

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Physiological Roles of Proteinaceous Hormone Peptide Hormones • Peptide hormones and protein hormones are hormones whose molecules are peptides or proteins, respectively. • Peptide hormones act as ligands for a wide range of G protein-coupled receptors. • Peptide hormones are secreted and function in an endocrine manner to regulate many physiological functions. • These functions include: i. Growth ii. Appetite and energy metabolism iii. Cardiac function iv. Stress v. Reproductive physiology etc. • There are multiple proteinaceous hormones that perform various functions. Some of which are discussed as follows. Insulin Insulin is a hormone, a chemical messenger produced by the pancreas. It is a protein responsible for regulating blood glucose levels. Its functions are: • Regulate metabolism of carbohydrates and fats • Promote the absorption of glucose from skeletal muscles and fat tissues • Causes fat to be stored rather than used for energy Glucagon Glucagon is a peptide hormone produced by alpha cells of the pancreas. It works antagonistically to insulin and works to increase glucose levels in blood. Its functions are: • Raises the concentration of glucose in the bloodstream • Causes the liver to convert stored glycogen into glucose, which is released in to the bloodstream Adrenocorticotrophic Hormone (ACTH) Adrenocorticotrophic hormone (ACTH) is a hormone produced in the anterior pituitary gland in the brain. The function of ACTH is: • Regulate le ...
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