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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Antidepressant drugs increase the concentration of neuropeptide Y (NPY)-like immunoreactivity in the rat brain.

Rats were given imipramine or zimeldine orally for three weeks and the brain levels of neuropeptide Y-like immunoreactivity (NPY-LI) were measured. The concentration of NPY-LI in frontal cortical tissue was elevated by 40 and 60%, respectively. Imipramine increased the concentration of NPY-LI in the hypothalamus by 65% while zimeldine was without effect. The concentration of NPY-LI in the parietal cortex was unaffected by either of the drugs. These observations support the hypothesis that NPY might be involved in the pathophysiology of depressive illness.[1]

References

  1. Antidepressant drugs increase the concentration of neuropeptide Y (NPY)-like immunoreactivity in the rat brain. Heilig, M., Wahlestedt, C., Ekman, R., Widerlöv, E. Eur. J. Pharmacol. (1988) [Pubmed]
 
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