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may  activate microglia.  Additional  factors would   Additional studies to identify and test new targets to
           act synergistically with hyperammonemia to induce   reduce neuroinflammation in MHE without inducing
           pro-inflammatory factors and neuroinflammation in   secondary effects would be very useful to develop
           chronic liver failure.                             new therapeutic tools to reverse the cognitive and
                                                              motor alterations in patients with MHE and clinical
           THERAPEUTIC IMPLICATIONS                           HE associated with chronic liver diseases.

           The in vivo studies reported above in animal models   ACKNOWLEDGMENTS
           show that neuroinflammation would be a key
           therapeutic target to improve the cognitive and motor   Supported by grants from Ministerio de Ciencia e
           alterations in MHE and overt HE. However, different   Innovación (SAF2011-23051, CSD2008-00005),
           approaches can be used to reduce neuroinflammation   Consellería  Educación  Generalitat  Valenciana
           in chronic liver disease, but it is important to take   (PROMETEO-2009-027, PROMETEOII/2014/033,
           into account the possible secondary effects of each   ACOMP/2012/066, and ACOMP/2013/101).
           treatment, which may depend on the type and grade
           of liver disease in each patient. For example, several   REFERENCES
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