Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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Linkage of mood disorders with D2, D3 and TH genes: a multicenter study.

BACKGROUND: It has been suggested that the dopaminergic system is involved in the pathophysiology of mood disorders. We conducted a multicenter study of families with mood disorders, to investigate a possible linkage with genes coding for dopamine receptor D2, dopamine receptor D3 and tyrosine hydroxylase (TH). METHODS: Twenty three mood disorder pedigrees collected within the framework of the European Collaborative Project on Affective Disorders were analyzed with parametric and non-parametric linkage methods. Various potential phenotypes were considered, from a narrow (only bipolar as affected) to a broad (bipolar+major depressive+schizoaffective disorders) definition of affection status. RESULTS: Parametric analyses excluded linkage for all the candidate genes, even though small positive LOD (Limit of Detection) scores were observed for TH in three families. Non-parametric analyses yielded negative results for all markers. CONCLUSION: The D2 and D3 dopamine receptors were, therefore, not a major liability factor for mood disorders in our sample, whereas TH may play a role in a subgroup of patients.[1]

References

Linkage of mood disorders with D2, D3 and TH genes: a multicenter study. Serretti, A., Macciardi, F., Cusin, C., Lattuada, E., Souery, D., Lipp, O., Mahieu, B., Van Broeckhoven, C., Blackwood, D., Muir, W., Aschauer, H.N., Heiden, A.M., Ackenheil, M., Fuchshuber, S., Raeymaekers, P., Verheyen, G., Kaneva, R., Jablensky, A., Papadimitriou, G.N., Dikeos, D.G., Stefanis, C.N., Smeraldi, E., Mendlewicz, J. Journal of affective disorders. (2000) [Pubmed]

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