التفاصيل البيبلوغرافية
| العنوان: |
A transcript map encompassing a susceptibility locus for bipolar affective disorder on chromosome 4q35. |
| المؤلفون: |
Blair, I.P., Adams, L.J., Badenhop, R.F., Moses, M.J., Scimone, A., Morris, J.A., Ma, L., Austin, C.P., Donald, J.A., Mitchell, P.B., Schofield, P.R. |
| المصدر: |
Molecular Psychiatry; 2002, Vol. 7 Issue 8, p867, 7p |
| مصطلحات موضوعية: |
BIPOLAR disorder, AFFECTIVE disorders, GENETIC transcription, CHROMOSOMES |
| مستخلص: |
Bipolar affective disorder is one of the most common mental illnesses with a population prevalence of approximately 1%. The disorder is genetically complex, with an increasing number of loci being implicated through genetic linkage studies. However, the specific genetic variations and molecules involved in bipolar susceptibility and pathogenesis are yet to be identified. Genetic linkage analysis has identified a bipolar disorder susceptibility locus on chromosome 4q35, and the interval harbouring this susceptibility gene has been narrowed to a size that is amenable to positional cloning. We have used the resources of the Human Genome Project (HGP) and Celera Genomics to identify overlapping sequenced BAC clones and sequence contigs that represent the region implicated by linkage analysis. A combination of bioinformatic tools and laboratory techniques have been applied to annotate this DNA sequence data and establish a comprehensive transcript map that spans approximately 5.5 Mb. This map encompasses the chromosome 4q35 bipolar susceptibility locus, which localises to a 'most probable' candidate interval of approximately 2.3 Mb, within a more conservative candidate interval of approximately 5 Mb. Localised within this map are 11 characterised genes and eight novel genes of unknown function, which together provide a collection of candidate transcripts that may be investigated for association with bipolar disorder. Overall, this region was shown to be very gene-poor, with a high incidence of pseudogenes, and redundant and novel repetitive elements. Our analysis of the interval has demonstrated a significant difference in the extent to which the current HGP and Celera sequence data sets represent this region. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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