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Biochemistry (Subject) / Signalling and regulation (Lesson)
- Hormone intracellular messenger produced by the glands of the endocrine system
- types of hormones steroids like oestrogens and androgens Polypeptides such as insulin and glucagon Amino acid derivates such as epinephrine and thyroxin
- second messengers cAMP PIP3 receptor tyrosine kinase
- Hormones in control of metabolism Epinephrine: derived from tyrosine, acts on muscles to raise glucose levels Glucagon: polypeptide, released by langerhans cells in pancreas, sets of chain of events to make glucose available insulin: increased glycolysis, stimulates glucose uptake, increased glycogen synthesis
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