In the horse market the offspring of proven mares are more valued. However, this usually happens when mares already have advanced age and progeny proven in the competitions. This encourages the maintenance of older in breeding program despite low reproductive efficiency. Older mares are more susceptible to persistent breeding-induced endometritis (PBIE). This condition is the main cause of subfertility in mares and is the third most frequent disease affecting horses. Studies using immunomodulatory agents such as platelet-rich-plasma (PRP) have shown promising results in reducing the inflammation and promoting fertility of these animals. The PRP is gaining popularity in veterinary medicine for its mitogenic, chemotactic, neovasculazation and anti-inflammatory action, in the treatment of a wide range of diseases in tendins, joints, ligaments, and tegument. In this context, the present study aims to evaluate the endometrial expression of pro- and anti-inflammatory cytokines of mares treated with PRP, and proteome of the endometrial fluid of these animals. Our recent study, has shown the clinical benefits of PRP in the treatment of susceptible mares to PBIE by modulating the uterine inflammatory response by decreasing the number of neutrophils and COX-2 expression in the endometrium of these animals. However, further studies of this therapy in the treatment of mares susceptible to PBIE are necessary to better understand the mechanism of action of these agents in the mare endometrium.
News published in Agência FAPESP Newsletter about the scholarship: