nonhuman article 44 controlled study 39 Animals 34 Mice 32 mouse 32 priority journal 28 male 27 Male 25 aminolevulinic acid 25 animal experiment 24 animal tissue 24 Aminolevulinic Acid 23 animal cell 21 animal model 20 oxidative stress 17 enzyme activity 15 Photodynamic therapy 13 4 aminobutyric acid 11 Photochemotherapy 11 Photosensitizing Agents 11 Porphyrins 11 photodynamic therapy 11 porphyrin 11 unclassified drug 11 Western blotting 10 4 dimethylaminoazobenzene 9 ALA 9 Oxidative Stress 9 gamma-Aminobutyric Acid 9