Table 3.
Overview of pathway or network-based GWAS of alcohol-related behaviors
| Author, Date | Sample | Phenotype | Analysis tool/method | Gene sets | Summary of key enrichment domains |
|---|---|---|---|---|---|
| Kendler et al. (2011) | Molecular Genetics of Schizophrenia control sample | Factor score derived from alcohol craving, DSM-IV alcohol abuse and dependence | ALIGATOR | KEGG, GO | Response to hormone stimulus, membrane raft organization, anatomical structure homeostasis, phosphorylation, and regulation of transporter activity; lipid catabolic processes, regulation of protein transport, regulation of cell adhesion, and cholesterol metabolic process |
| Kos et al. (2013) | SAGE | DSM-IV alcohol dependence | Permuted Fisher’s exact tests | ResNet Mammalian v. 7.0 database curated by Ariadne Genomics | Maf transcription factors, Hox AbdB genes, chloride transport, glycine and serine metabolism |
| Biernacka et al. (2013) | SAGE | DSM-IV alcohol dependence | Permutation-based self-contained SNP or gene set analysis | KEGG | Synthesis and degradation of ketone bodies; neuroactive ligand-receptor interaction |
| Han et al. (2013) | Discovery: COGA+SAGE; Replication: Yale-Penn, OZ-ALC | DSM-IV alcohol dependence | R-package dmGWAS | Protein-protein interaction network, GO | cation transport, synaptic transmission, and transmission of nerve impulses |
| Juraeva et al. (2015) | Discovery: German sample; replication: COGA, SAGE | DSM-IV alcohol dependence | R-package globaltest version 5.12.0 | KEGG, GO, BioCarta, microRNA targets, transcription factor targets, positional gene-sets | Nineteen gene-sets identified in discovery sample, five of which were nominally significant in replication sample, including DNA integration, focal adhesion, leucocyte transendothelial migration, chr7q32, and MIR-377 |
| Adkins et al. (2015) | GSMS, CHDS, VTSABD | Longitudinal alcohol consumption | Hypergeometric test | ConsensusPathDB | Neuronal system, Transmission across chemical Synapses, pharmacodynamics, Adherens junctions interactions, G protein signaling pathways, Axon guidance |