Bromocriptine mesylate
The mesylate salt of bromocriptine, a semisynthetic ergot alkaloid with dopaminergic, antidyskinetic, and antiprolactinemic activities.
Mechanism of action of Bromocriptine mesylate[edit source]
- Bromocriptine selectively binds to and activates postsynaptic dopamine D2 receptors in the corpus striatum of the central nervous system (CNS).
- Activation of these D2 receptors activate inhibitory G-proteins, which inhibit adenylyl cyclase, preventing signal transduction mediated via cAMP and resulting in the inhibition of neurotransmission and an antidyskinetic effect.
- Ths agent also stimulates dopamine D2 receptors in the anterior pituitary gland, which results in the inhibition of prolactin secretion and lactation and may inhibit the proliferation of prolactin-dependent breast cancer cells.
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