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Related Experiment Videos

Prolactin and autoimmunity.

Olga Vera-Lastra1, Luis J Jara, Luis R Espinoza

  • 1Department of Internal Medicine, Hospital de Especialidades, Centro Médico La Raza, Instituto Mexicano del Seguro Social, Universidad Nacional Autónoma de México (UNAM), Mexico City, Mexico. olgavera62@yahoo.com.mx

Autoimmunity Reviews
|July 10, 2003
PubMed
Summary
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Prolactin (PRL) acts as a cytokine influencing immune cells and is implicated in autoimmune diseases like Systemic Lupus Erythematosus (SLE). Hyperprolactinemia (HPRL) in SLE patients correlates with disease activity and autoantibody production.

Area of Science:

  • Immunology
  • Endocrinology
  • Genetics

Background:

  • Prolactin (PRL) is a hormone produced by the pituitary and immune cells, functioning as a cytokine.
  • PRL receptors (PRL-R) are present in the immune system and signal via pathways like JAK2/Stat.
  • PRL influences immune cell proliferation and differentiation, impacting immune responses.

Purpose of the Study:

  • To explore the role of Prolactin (PRL) in autoimmunity, particularly in Systemic Lupus Erythematosus (SLE).
  • To investigate the association between hyperprolactinemia (HPRL) and SLE disease activity.
  • To understand PRL's contribution to autoantibody production and SLE pathogenesis.

Main Methods:

  • Review of existing literature on PRL, PRL-R, and their signaling pathways in immune cells.

Related Experiment Videos

  • Analysis of studies investigating PRL levels in SLE patients.
  • Examination of the correlation between HPRL and clinical manifestations of SLE, including nephritis and CNS involvement.

    • Main Results:

    • PRL functions as a cytokine, with its receptors (PRL-R) expressed on immune cells.
    • Hyperprolactinemia (HPRL) is found in 20-30% of SLE patients and is linked to active disease.
    • HPRL is associated with increased autoantibody production and may contribute to SLE complications like lupus nephritis and CNS disease.

    Conclusions:

    • PRL plays a significant role in immune regulation and autoimmunity.
    • HPRL is a relevant factor in SLE pathogenesis, correlating with disease activity and severity.
    • Further research into PRL's role may offer new therapeutic targets for autoimmune diseases like SLE.