Cortical response to somatosensory stimulation in medication overuse headache patients is influenced by angiotensin converting enzyme (ACE) I/D genetic polymorphism

Cherubino Di Lorenzo, Gianluca Coppola, Antonio Currà, Gaetano Grieco, Filippo M. Santorelli, Chiara Lepre, Elisa Porretta, Esterina Pascale, Francesco Pierelli

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Medication overuse headache (MOH) is a disabling health problem. Convincing evidence attributes a pathophysiologic role to central sensitization. By recording somatosensory evoked potentials (SSEPs) in patients with MOH, we observed increased sensitization and deficient habituation to repetitive sensory stimuli consistent with drug overuse. The renin-angiotensin system in the brain seems to play a relevant role in neural plasticity and dependence behavior. We therefore sought differences in SSEP sensitization and habituation in patients with MOH who underwent angiotensin converting enzyme (ACE) I/D polymorphism analysis. Methods: We recorded median-nerve SSEPs (two blocks of 100 sweeps) in 43 patients with MOH. We measured N20-P25 amplitudes, and assessed sensitization using the first block amplitudes, and habituation using amplitude changes between the two sequential blocks. According to their genotype, subjects were divided into three groups: ''D/D'', ''D/I'' and ''I/I'' carriers. Results: The habituation slope of the two SSEP block amplitudes was significantly increased in the D/D subgroup (n=16) with respect to that of the I/I subgroup (n=6), with the D/I subgroup (n=21) falling in between. In D/D carriers, the habituation slope correlated positively with the duration of the overuse headache, and the first SSEP block amplitudes, a measure of sensitization, increased in strict relationship with the type of overused medication in the MOH patients overall and in the D/D subgroup; this was not so in the D/I and I/I subgroups. Conclusion: In patients with MOH, the homozygote D/D ACE polymorphism influences habituation and sensitization to repeated sensory stimuli in strict relationship with medication overuse. We suggest that angiotensin peptides influence neuronal mechanisms of plasticity by interacting with central monoaminergic synaptic transmission.

Original languageEnglish
Pages (from-to)1189-1197
Number of pages9
JournalCephalalgia
Volume32
Issue number16
DOIs
Publication statusPublished - Dec 2012

Fingerprint

Secondary Headache Disorders
Peptidyl-Dipeptidase A
Genetic Polymorphisms
Somatosensory Evoked Potentials
Neuronal Plasticity
Accidental Falls
Central Nervous System Sensitization
Median Nerve
Angiotensins
Homozygote
Renin-Angiotensin System
Synaptic Transmission
Headache
Genotype
Peptides
Health
Brain

Keywords

  • ACE polymorphism
  • habituation
  • Medication overuse headache
  • renin-angiotensin system
  • sensitization
  • somatosensory evoked potentials

ASJC Scopus subject areas

  • Clinical Neurology
  • Medicine(all)

Cite this

Cortical response to somatosensory stimulation in medication overuse headache patients is influenced by angiotensin converting enzyme (ACE) I/D genetic polymorphism. / Di Lorenzo, Cherubino; Coppola, Gianluca; Currà, Antonio; Grieco, Gaetano; Santorelli, Filippo M.; Lepre, Chiara; Porretta, Elisa; Pascale, Esterina; Pierelli, Francesco.

In: Cephalalgia, Vol. 32, No. 16, 12.2012, p. 1189-1197.

Research output: Contribution to journalArticle

Di Lorenzo, Cherubino ; Coppola, Gianluca ; Currà, Antonio ; Grieco, Gaetano ; Santorelli, Filippo M. ; Lepre, Chiara ; Porretta, Elisa ; Pascale, Esterina ; Pierelli, Francesco. / Cortical response to somatosensory stimulation in medication overuse headache patients is influenced by angiotensin converting enzyme (ACE) I/D genetic polymorphism. In: Cephalalgia. 2012 ; Vol. 32, No. 16. pp. 1189-1197.
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abstract = "Medication overuse headache (MOH) is a disabling health problem. Convincing evidence attributes a pathophysiologic role to central sensitization. By recording somatosensory evoked potentials (SSEPs) in patients with MOH, we observed increased sensitization and deficient habituation to repetitive sensory stimuli consistent with drug overuse. The renin-angiotensin system in the brain seems to play a relevant role in neural plasticity and dependence behavior. We therefore sought differences in SSEP sensitization and habituation in patients with MOH who underwent angiotensin converting enzyme (ACE) I/D polymorphism analysis. Methods: We recorded median-nerve SSEPs (two blocks of 100 sweeps) in 43 patients with MOH. We measured N20-P25 amplitudes, and assessed sensitization using the first block amplitudes, and habituation using amplitude changes between the two sequential blocks. According to their genotype, subjects were divided into three groups: ''D/D'', ''D/I'' and ''I/I'' carriers. Results: The habituation slope of the two SSEP block amplitudes was significantly increased in the D/D subgroup (n=16) with respect to that of the I/I subgroup (n=6), with the D/I subgroup (n=21) falling in between. In D/D carriers, the habituation slope correlated positively with the duration of the overuse headache, and the first SSEP block amplitudes, a measure of sensitization, increased in strict relationship with the type of overused medication in the MOH patients overall and in the D/D subgroup; this was not so in the D/I and I/I subgroups. Conclusion: In patients with MOH, the homozygote D/D ACE polymorphism influences habituation and sensitization to repeated sensory stimuli in strict relationship with medication overuse. We suggest that angiotensin peptides influence neuronal mechanisms of plasticity by interacting with central monoaminergic synaptic transmission.",
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AU - Grieco, Gaetano

AU - Santorelli, Filippo M.

AU - Lepre, Chiara

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