Our results indicate that in vivo oral quercetin administration decreases H. pylori infection in the gastric mucosa and reduces both the inflammatory response and lipid peroxidation.

This brief review of the neurological effects of growth hormone (GH) and gonadotropin-releasing hormone (GnRH) in the brain, particularly in the cerebral cortex, hypothalamus, hippocampus, cerebellum, spinal cord, neural retina, and brain tumors, summarizes recent information about their therapeutic potential as treatments for different neuropathologies and neurodegenerative processes. The effect of GH and GnRH (by independent administration) has been associated with beneficial impacts in patients with brain trauma and spinal cord injuries. Both GH and GnRH have demonstrated potent neurotrophic, neuroprotective, and neuroregenerative action. Positive behavioral and cognitive effects are also associated with GH and GnRH administration. Increasing evidence suggests the possibility of a multifactorial therapy that includes both GH and GnRH.

Gonadotrophin-releasing hormone (GnRH), a well known hypothalamic neuropeptide, has been reported to possess neurotrophic properties. Leuprolide acetate, a synthetic analogue of GnRH is considered to be a very safe and tolerable drug and it has been used for diverse clinical applications, including the treatment of prostate cancer, endometriosis, uterine fibroids, central precocious puberty and in vitro fertilization techniques. The present study was designed to determine whether Leuprolide acetate administration, exerts neurotrophic effects on clinical signs, body weight gain, neurofilaments (NFs) and myelin basic protein (MBP) expression, axonal morphometry and cell infiltration in spinal cord of experimental autoimmune encephalomyelitis (EAE) rats. In this work, we have found that Leuprolide acetate treatment decreases the severity of clinical signs of locomotion, induces a significantly greater body weight gain, increases the MBP and NFs expression, axonal area and cell infiltration in EAE animals. These results suggest the use of this agonist as a potential therapeutic approach for multiple sclerosis.

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