Kinin B1 receptor expression on multiple sclerosis mononuclear cells: Correlation with magnetic resonance imaging T2-weighted lesion volume and clinical disability

Alexandre Prat*, Katarzyna Biernacki, Tanya Saroli, John E. Orav, Charles R G Guttmann, Howard L. Weiner, Samia J. Khoury, Jack P. Antel

*Corresponding author for this work

Research output: Contribution to journalArticle

27 Scopus citations

Abstract

Background: We have previously shown that the inducible kinin B1 receptor is expressed on T lymphocytes during relapses and progression in multiple sclerosis. Objective: To evaluate the correlation between the expression of B1 receptor on peripheral blood mononuclear cells derived from patients who have multiple sclerosis with serial, clinical magnetic resonance imaging and immunological study-derived measures. Design: Using frozen samples obtained from a high-frequency magnetic resonance imaging-immunological study, we analyzed B1 receptor messenger RNA (mRNA) expression in peripheral blood-derived mononuclear cells serially collected from 6 patients with multiple sclerosis and 8 healthy control subjects by semiquantitative radioactive duplex reverse transcriptase-polymerase chain reaction amplification. Time-course kinin B1-actin mRNA ratios were subsequently compared with corresponding clinical magnetic resonance imaging and immune parameters. Results: The time-course kinin B1-actin mRNA ratio correlated positively with the Expanded Disability Status Scale index (P<.001), occurrence of clinical relapse (P=.02), volume of lesion on T2-weighted images (P<.003) and interleukin 2 receptor and major histocompatibility complex class II expression on CD4+ lymphocytes, but not with gadolinium-enhancing lesions. The time-course kinin B 1-actin mRNA ratios were 5 to 25 times lower in samples derived from healthy controls. Conclusion: The correlation of kinin B1 receptor mRNA levels with dynamic clinical and magnetic resonance imaging measures suggests that expression of this receptor can serve as an index of disease activity in multiple sclerosis.

Original languageEnglish (US)
Pages (from-to)795-800
Number of pages6
JournalArchives of Neurology
Volume62
Issue number5
DOIs
StatePublished - May 2005

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Clinical Neurology

Fingerprint Dive into the research topics of 'Kinin B<sub>1</sub> receptor expression on multiple sclerosis mononuclear cells: Correlation with magnetic resonance imaging T2-weighted lesion volume and clinical disability'. Together they form a unique fingerprint.

  • Cite this