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[Serotonin receptor subtypes. Considerations on their physiological role and therapeutic prospects].

Recent evidence for the existence of different types and subtypes of serotoninergic receptors has been reviewed. Presently, 5-TH receptors have been divided into 5-HT1, 5-HT2 and 5-HT-3. 5-HT1 receptors have been subdivided into 5-HT1A, 5-HT1B, 5-HT1C and 5-HT1D. The development of specific agonists and antagonists to these different types of receptors suggests the possibility of a selective use of these drugs in the treatment of various disorders.