Relative expression of the TNFA gene per genotype group. The GA genotype group (n = 15) and the AA genotype group (n = 2) were combined and compared to the GG genotype group (n = 49). No difference in TNFA expression was observed between the GG group and the GA+AA group (p = 0.420).
Toonen et al. Arthritis Research & Therapy 2012 14:R264 doi:10.1186/ar4110