Is serotonin transporter gene variation a risk factor for sudden infant death syndrome in the Japanese population?
Efficiency in the transportation of 5-HTT with the L allele is known to be higher than that with the S allele. The excitatory function by 5-HT is considered to be lower in the respiratory center of individuals with the L allele compared with those with S allele. The XL allele variant has shown another novel biological risk factor for SIDS.
The estimation of outflow from angiography seems to be of no value in predicting graft patency in infrainguinal grafting.