Ergocristine

Ergocristine is a type of alkaloid that is derived from ergot, a fungus that grows on rye and other grains. It is part of the ergopeptine group of compounds, which also includes ergotamine and ergonovine. Ergocristine is used in the production of certain pharmaceuticals, including those used to treat migraine headaches and to induce childbirth.

Chemical Structure

Ergocristine is a complex molecule with a unique structure. It is composed of a tripeptide-derived cyclol-lactam structure and a substituted ergoline system. The ergoline system is a key component of many biologically active alkaloids, including psychedelic substances like LSD.

Pharmacology

Ergocristine acts as a partial agonist at serotonin 5-HT_1A, 5-HT_1B, 5-HT_1D, 5-HT_1E, and 5-HT_1F receptors, and as an antagonist at 5-HT_2A, 5-HT_2B, and 5-HT_2C receptors. It also binds to dopamine D₂ receptors and adrenergic α₁ and α₂ receptors.

Medical Uses

Ergocristine is used in the production of several pharmaceuticals. It is a component of Cafergot, a medication used to treat migraine headaches. It is also used in the production of Methergine, a medication used to induce childbirth and to control bleeding after childbirth.

Side Effects

Like other ergot alkaloids, ergocristine can cause a number of side effects, including nausea, vomiting, abdominal pain, and diarrhea. In rare cases, it can cause more serious side effects, such as hallucinations, seizures, and stroke.

See Also

• Ergotamine
• Ergonovine
• Ergot

• 
  Ergocristine