Objectives: The aim of the study is to establish glioma model in rat brain and nude mice subcutaneousness and to study the effect and safety of single photodynamic therapy(PDT) on C6 glioma, using 5-Aminolevulinic acid (ALA), hematoprophyrin (HPD) and ALA +HPD,as well as to explore the mechanisms of PDT,Methods: In the first part of the research, the suspension of C6 glioma cells was stereotaxically injected into the right caudate guided by stereotactic frame.After the rat brain model was established , the ...