Levels of mRNA for dopaminergic receptor D₅ in circulating lymphocytes may be associated with subsequent response to interferon-β in patients with multiple sclerosis

J Neuroimmunol. 2014 Dec 15;277(1-2):193-6. doi: 10.1016/j.jneuroim.2014.10.009. Epub 2014 Oct 31.

Abstract

Interferon (IFN)-β is among the first-line therapies for multiple sclerosis (MS), however the clinical response varies among individuals, and early identification of responders and non-responders would be of critical importance. Here we show that before treatment circulating lymphocytes of MS patients who will respond to IFN-β have higher mRNA levels for the D1-like dopaminergic receptor (DR) D5 in comparison to cells from those who will not respond. Lymphocyte DR D5 is reduced in MS and IFN-β restores their expression and responsiveness. DR D5 mRNA levels in circulating lymphocytes might represent an early marker of response to IFN-β in MS patients.

Keywords: Dopaminergic receptors; Interferon beta; Lymphocytes; Multiple sclerosis; Tyrosine hydroxylase; β(2)-Adrenoceptors.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adult
  • Antibodies / pharmacology
  • Female
  • Humans
  • Immunologic Factors / pharmacology*
  • Immunologic Factors / therapeutic use
  • Interferon-beta / immunology
  • Interferon-beta / pharmacology*
  • Interferon-beta / therapeutic use
  • Lymphocytes / drug effects*
  • Lymphocytes / metabolism*
  • Male
  • Middle Aged
  • Multiple Sclerosis / drug therapy
  • Multiple Sclerosis / pathology*
  • RNA, Messenger / metabolism*
  • ROC Curve
  • Receptors, Adrenergic, beta-2 / genetics
  • Receptors, Adrenergic, beta-2 / metabolism
  • Receptors, Dopamine D2 / genetics
  • Receptors, Dopamine D2 / metabolism
  • Receptors, Dopamine D5 / genetics*
  • Receptors, Dopamine D5 / metabolism
  • Tyrosine 3-Monooxygenase / genetics
  • Tyrosine 3-Monooxygenase / metabolism
  • Young Adult

Substances

  • Antibodies
  • Immunologic Factors
  • RNA, Messenger
  • Receptors, Adrenergic, beta-2
  • Receptors, Dopamine D2
  • Receptors, Dopamine D5
  • Interferon-beta
  • Tyrosine 3-Monooxygenase