A locus for juvenile myoclonic epilepsy maps to 2q33–q36

Ratnapriya, Rinki ; Vijai, Joseph ; Kadandale, Jayaram S. ; Iyer, Rajesh S. ; Radhakrishnan, Kurupath ; Anand, Anuranjan (2010) A locus for juvenile myoclonic epilepsy maps to 2q33–q36 Human Genetics, 128 (2). pp. 123-130. ISSN 0340-6717

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Official URL: http://www.springerlink.com/content/0508548101n207...

Related URL: http://dx.doi.org/10.1007/s00439-010-0831-6


We performed a whole genome linkage analysis in a three-generation south Indian family with multiple members affected with juvenile myoclonic epilepsy (JME). The maximum two-point LOD score obtained was 3.32 at recombination fraction (θ ) = 0 for D2S2248. The highest multipoint score of 3.59 was observed for the genomic interval between D2S2322 and D2S2228 at the chromosomal region 2q33–q36. Proximal and distal boundaries of the critical genetic interval were defined by D2S116 and D2S2390, respectively. A 24-Mb haplotype was found to co-segregate with JME in the family. While any potentially causative variant in the functional candidate genes, SLC4A3, SLC23A3, SLC11A1 and KCNE4, was not detected, we propose to examine brain-expressed NRP2, MAP2, PAX3, GPR1, TNS1 and DNPEP, and other such positional candidate genes to identify the disease-causing gene for the disorder.

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ID Code:66377
Deposited On:24 Oct 2011 08:58
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