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Related Experiment Videos

Hyperprolactinemia in optico-spinal multiple sclerosis.

K Yamasaki1, I Horiuchi, M Minohara

  • 1Department of Neurology, Neurological Institute, Graduate School of Medical Sciences, Kyushu University, Fukuoka.

Internal Medicine (Tokyo, Japan)
|May 9, 2000
PubMed
Summary
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Hyperprolactinemia is linked to Asian type multiple sclerosis (MS) with optic nerve involvement. These MS patients experienced more relapses and greater disability, suggesting a distinct clinical profile.

Area of Science:

  • Neuroimmunology
  • Endocrinology

Background:

  • Multiple Sclerosis (MS) is a chronic inflammatory disease of the central nervous system.
  • Hyperprolactinemia, elevated prolactin levels, has been observed in various neurological conditions.

Purpose of the Study:

  • To investigate the prevalence and clinical significance of hyperprolactinemia in Japanese patients with multiple sclerosis (MS).
  • To compare prolactin levels between MS patients and those with HTLV-I-associated myelopathy/tropical spastic paraparesis (HAM/TSP).

Main Methods:

  • Serum prolactin levels were measured in 67 MS patients and 16 HAM/TSP patients using a two-site immunoradiometric assay.
  • MS patients were subcategorized into Asian type (optic nerve/spinal cord involvement) and Western type (disseminated CNS involvement).

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Main Results:

  • Significantly higher prolactin levels were found in women with Asian type MS compared to HAM/TSP patients.
  • Hyperprolactinemia in MS was associated with acute optic nerve relapses and recurrent opticomyelitis.
  • MS patients with hyperprolactinemia exhibited a higher age of onset, greater disability, visual impairment, and elevated cerebrospinal fluid parameters.

Conclusions:

  • Hyperprolactinemia may be a characteristic feature of Asian type MS, particularly in patients with predominant optic nerve involvement.
  • Elevated prolactin levels could indicate a specific subtype of MS with distinct clinical and pathological features.