Depression is one of the most prevalent and life-threatening forms of mental illnesses associated with significant disability and mortality. Stress can be considered as a major contribution for the development of depressive disorder due to dysregulation of HPA-axis. Although there are multiple pathways that are involved in the pathogenesis of depression, the current antidepressants mainly target monoaminergic pathway. However, therapeutic potential of other pathways is still under investigation. Drugs targeting nitric oxide, cytokines and kynurenine acid pathway might be the drugs of choice...

Diabetes mellitus produces numerous neurophysiological & structural changes in the central and peripheral nervous system and it further leads to development of neuropathic pain & moderate cognitive deficits in diabetics. The etiology of diabetes associated neuropathic pain & cognitive decline is multifactorial and involves an underlying phenomenon of metabolic memory. The concept of "metabolic memory," that is of diabetic vascular stresses persisting even after stringent glucose control, has been supported both in the laboratory and in the clinic in both type 1 & type 2 diabetes. Therefore,...