TPH gene polymorphism and ageing: indication of combined effect on the predisposition to violent suicide (CROSBI ID 115680)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Štefulj, Jasminka ; Kubat, Milovan ; Balija, Melita ; Jernej, Branimir
engleski
TPH gene polymorphism and ageing: indication of combined effect on the predisposition to violent suicide
Findings relating serotonin to suicidal behaviour suggest the role of genes for tryptophan hydroxylase (TPH) in the genetic substrate of this disorder. Association of Tph1 gene and suicidality, despite considerable research efforts, remains controversial. Polymorphism A218C in intron 7 of Tph1 gene was studied in violent suicide victims (N = 247) and controls (N = 320) of Slavic (Croatian) origin, with specific consideration of the influence of subjects' age. The frequency of, allegedly less active, CC genotype was increased in older (above 65 years) victims as compared to controls (p = 0.0126 and 0.0008, for comparison with agespecific and integral control samples, respectively), while there were no differences between victims under 65 years and controls. Excess of the CC genotype in elderly victims of violent suicide points to the possible combined effect o fthe respective genetic factor and physiological changes during ageing, on the predisposition to this disorder.
serotonin; Tph1 gene; suicide victims; elderly
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Podaci o izdanju
141B (2)
2006.
139-141-x
objavljeno
1552-4841
Povezanost rada
Temeljne medicinske znanosti, Kliničke medicinske znanosti, Biologija