PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19394403-3 2010 Set against a historical background, we review data supporting the idea that metabolites of the kynurenine pathway (KP) of tryptophan degradation provide a critical link between mutant htt and the pathophysiology of HD. Kynurenine 96-106 huntingtin Homo sapiens 185-188