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An Experimental Model of Diet-Induced Metabolic Syndrome in Rabbit: Methodological Considerations, Development, and Assessment
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Metabolic Syndrome in Hyperprolactinemia.

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    Summary

    Metabolic syndrome (MetS) is linked to hyperprolactinemia (hyperPRL). Dopamine-D2-agonist therapy shows promise for improving MetS in hyperPRL patients, potentially benefiting those with type 2 diabetes.

    Area of Science:

    • Endocrinology
    • Metabolic Diseases
    • Neuroendocrinology

    Background:

    • Metabolic syndrome (MetS) increases risks for type 2 diabetes (T2D) and cardiovascular disease.
    • Hyperprolactinemia (hyperPRL) is associated with MetS components, particularly during pregnancy.
    • Hypogonadism in hyperPRL patients may elevate MetS risk, contrasting with pregnancy's high sex steroid levels.

    Purpose of the Study:

    • To explore the relationship between hyperprolactinemia and metabolic syndrome.
    • To investigate the role of dopaminergic tone in MetS and hyperPRL.
    • To identify potential new therapeutic targets for MetS in hyperPRL patients.

    Main Methods:

    • Review of existing literature on hyperprolactinemia, metabolic syndrome, and dopaminergic pathways.

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  • Analysis of studies investigating prolactin (PRL) levels in relation to metabolic risk markers.
  • Examination of the effects of dopamine-D2-agonist therapy on MetS parameters.

    • Main Results:

    • Dopamine-D2-agonist therapy can improve MetS in prolactinoma patients and lower glucose in T2D.
    • PRL levels show an inverse association with metabolic risk markers in healthy populations and PCOS.
    • Contradictory findings on PRL and metabolism may be explained by ongoing research into PRL fragments (vasoinhibins).

    Conclusions:

    • Understanding MetS in hyperPRL can identify patient subgroups benefiting from dopamine-D2-agonist therapy.
    • This includes conditions like postpartum cardiomyopathy and postmenopausal T2D.
    • Further research into PRL fragments could clarify the complex relationship between prolactin and metabolic health.