Analysis of chromosome 1 microsatellite markers and the FHM2-ATP1A2 gene mutations in migraine pedigrees

RP Curtain, R. A. Lea, L Tajouri, LM Haupt, M Ovcaric, J MacMillan, LR Griffiths

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Abstract

Objectives: The aims of the study were: (i) to extend our linkage analysis of chromosome 1q microsatellite markers in predominately migraine with aura pedigrees and (ii) to test the novel FHM-2 ATP1A2 gene for involvement in these migraine affected pedigrees and a previous pedigree (MF14) showing evidence of linkage of markers to C1q31.

Methods: A chromosome 1 scan (31 markers) was performed in 21 multiplex pedigrees affected predominately with migraine with aura (MA). The known FHM-2 ATP1A2 gene mutations were tested, by sequencing, for the involvement in MA and migraine without aura (MO) in these pedigrees. Sequencing was performed in the coding areas of the ATP1A2 gene through three MA individuals from MF14.

Results: Evidence for linkage was obtained at C1q23 to markers spanning the ATP1A2 gene. However, testing of the known ATP1A2 gene mutations (for FHM) in common migraine probands of pedigrees showing excess allele sharing was negative. Sequencing of the entire coding areas of the gene through all the three MA affected from MF14 was also negative for mutations.

Discussion: Microsatellite markers on chromosome 1q23 show evidence of excess allele sharing in MA and some MO pedigrees, suggesting linkage to the common forms of migraine and the presence of a susceptibility gene in this region. The FHM-2 (ATP1A2 gene) does not seem to be involved in the common types of migraine. Despite certain clinical characteristics, the genetic correlation between FHM and familial typical migraine remains unclear. Several candidate genes lie within the C1q23 and C1q31 cytogenetic regions, therefore, further studies are needed.

Original languageEnglish
Pages (from-to)647-652
Number of pages6
JournalNeurological Research
Volume27
Issue number6
DOIs
Publication statusPublished - Sep 2005
Externally publishedYes

Cite this

Curtain, RP ; Lea, R. A. ; Tajouri, L ; Haupt, LM ; Ovcaric, M ; MacMillan, J ; Griffiths, LR. / Analysis of chromosome 1 microsatellite markers and the FHM2-ATP1A2 gene mutations in migraine pedigrees. In: Neurological Research. 2005 ; Vol. 27, No. 6. pp. 647-652.
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abstract = "Objectives: The aims of the study were: (i) to extend our linkage analysis of chromosome 1q microsatellite markers in predominately migraine with aura pedigrees and (ii) to test the novel FHM-2 ATP1A2 gene for involvement in these migraine affected pedigrees and a previous pedigree (MF14) showing evidence of linkage of markers to C1q31.Methods: A chromosome 1 scan (31 markers) was performed in 21 multiplex pedigrees affected predominately with migraine with aura (MA). The known FHM-2 ATP1A2 gene mutations were tested, by sequencing, for the involvement in MA and migraine without aura (MO) in these pedigrees. Sequencing was performed in the coding areas of the ATP1A2 gene through three MA individuals from MF14.Results: Evidence for linkage was obtained at C1q23 to markers spanning the ATP1A2 gene. However, testing of the known ATP1A2 gene mutations (for FHM) in common migraine probands of pedigrees showing excess allele sharing was negative. Sequencing of the entire coding areas of the gene through all the three MA affected from MF14 was also negative for mutations.Discussion: Microsatellite markers on chromosome 1q23 show evidence of excess allele sharing in MA and some MO pedigrees, suggesting linkage to the common forms of migraine and the presence of a susceptibility gene in this region. The FHM-2 (ATP1A2 gene) does not seem to be involved in the common types of migraine. Despite certain clinical characteristics, the genetic correlation between FHM and familial typical migraine remains unclear. Several candidate genes lie within the C1q23 and C1q31 cytogenetic regions, therefore, further studies are needed.",
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Analysis of chromosome 1 microsatellite markers and the FHM2-ATP1A2 gene mutations in migraine pedigrees. / Curtain, RP; Lea, R. A.; Tajouri, L; Haupt, LM; Ovcaric, M; MacMillan, J; Griffiths, LR.

In: Neurological Research, Vol. 27, No. 6, 09.2005, p. 647-652.

Research output: Contribution to journalArticleResearchpeer-review

TY - JOUR

T1 - Analysis of chromosome 1 microsatellite markers and the FHM2-ATP1A2 gene mutations in migraine pedigrees

AU - Curtain, RP

AU - Lea, R. A.

AU - Tajouri, L

AU - Haupt, LM

AU - Ovcaric, M

AU - MacMillan, J

AU - Griffiths, LR

PY - 2005/9

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N2 - Objectives: The aims of the study were: (i) to extend our linkage analysis of chromosome 1q microsatellite markers in predominately migraine with aura pedigrees and (ii) to test the novel FHM-2 ATP1A2 gene for involvement in these migraine affected pedigrees and a previous pedigree (MF14) showing evidence of linkage of markers to C1q31.Methods: A chromosome 1 scan (31 markers) was performed in 21 multiplex pedigrees affected predominately with migraine with aura (MA). The known FHM-2 ATP1A2 gene mutations were tested, by sequencing, for the involvement in MA and migraine without aura (MO) in these pedigrees. Sequencing was performed in the coding areas of the ATP1A2 gene through three MA individuals from MF14.Results: Evidence for linkage was obtained at C1q23 to markers spanning the ATP1A2 gene. However, testing of the known ATP1A2 gene mutations (for FHM) in common migraine probands of pedigrees showing excess allele sharing was negative. Sequencing of the entire coding areas of the gene through all the three MA affected from MF14 was also negative for mutations.Discussion: Microsatellite markers on chromosome 1q23 show evidence of excess allele sharing in MA and some MO pedigrees, suggesting linkage to the common forms of migraine and the presence of a susceptibility gene in this region. The FHM-2 (ATP1A2 gene) does not seem to be involved in the common types of migraine. Despite certain clinical characteristics, the genetic correlation between FHM and familial typical migraine remains unclear. Several candidate genes lie within the C1q23 and C1q31 cytogenetic regions, therefore, further studies are needed.

AB - Objectives: The aims of the study were: (i) to extend our linkage analysis of chromosome 1q microsatellite markers in predominately migraine with aura pedigrees and (ii) to test the novel FHM-2 ATP1A2 gene for involvement in these migraine affected pedigrees and a previous pedigree (MF14) showing evidence of linkage of markers to C1q31.Methods: A chromosome 1 scan (31 markers) was performed in 21 multiplex pedigrees affected predominately with migraine with aura (MA). The known FHM-2 ATP1A2 gene mutations were tested, by sequencing, for the involvement in MA and migraine without aura (MO) in these pedigrees. Sequencing was performed in the coding areas of the ATP1A2 gene through three MA individuals from MF14.Results: Evidence for linkage was obtained at C1q23 to markers spanning the ATP1A2 gene. However, testing of the known ATP1A2 gene mutations (for FHM) in common migraine probands of pedigrees showing excess allele sharing was negative. Sequencing of the entire coding areas of the gene through all the three MA affected from MF14 was also negative for mutations.Discussion: Microsatellite markers on chromosome 1q23 show evidence of excess allele sharing in MA and some MO pedigrees, suggesting linkage to the common forms of migraine and the presence of a susceptibility gene in this region. The FHM-2 (ATP1A2 gene) does not seem to be involved in the common types of migraine. Despite certain clinical characteristics, the genetic correlation between FHM and familial typical migraine remains unclear. Several candidate genes lie within the C1q23 and C1q31 cytogenetic regions, therefore, further studies are needed.

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EP - 652

JO - Neurological Research

JF - Neurological Research

SN - 0161-6412

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