“…Depression and chronic pain are widely recognised clinical co-morbidities, with up to 50% of chronic pain patients exhibiting depression (Radat et al, 2013), while almost 60% of depressed patients experience painful physical symptoms (Aguera-Ortiz et al, 2011). Recent data from animal studies support this clinical relationship and indicate that inflammatory and neuropathic pain-related responding is enhanced in various animal models of depression including olfactory bulbectomy (OB) (Burke et al, 2013a, Burke et al, 2010, early life stress (Uhelski andFuchs, 2010, Burke et al, 2013b) and the Wistar-Kyoto rat (Burke et al, 2010, Zeng et al, 2008, Rea et al, 2014.…”