ADHDgene Database

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Large-scale studies

Data Summary

Published Variant
- SNP: 1391
- CNV: 398
- Others: 173
Published Gene: 359
Published Region: 128
Pathway by PBA: 8
Study: 361

Other Variant Report

Basic Info

Name	DRD4_intron1_(G)n
Type	microsatellite
Location	intron 1
Related Gene	DRD4
No. of Study	3 (significant: 0; non-significant 3; trend: 0)

Variant related studies (count: 3)

Reference	Allele Change	Risk Allele	Statistical Values	Author Comments	Result of Statistical Analysis
Barr CL, 2000 (b)	139-144 bp		TDT P-value=0.336 for allele 143bp, TDT P-value=0.059 for al...... TDT P-value=0.336 for allele 143bp, TDT P-value=0.059 for allele 142bp, TDT P-value=0.197 for allele 140bp More...	no significant evidence for linkage with ADHD no significant evidence for linkage with ADHD	Non-significant
Mill J, 2003			TRANSMIT P-value>0.05 TRANSMIT P-value>0.05	no evidence of biased transmission to ADHD probands was foun...... no evidence of biased transmission to ADHD probands was found More...	Non-significant
Bakker SC, 2005			allelic TDT P-value=0.71 allelic TDT P-value=0.71	no signs of a distorted transmissions of any of the single p...... no signs of a distorted transmissions of any of the single polymorphisms, or of single alleles More...	Non-significant