Frontiers Functionalization strategies of polymeric nanoparticles for drug delivery in Alzheimer's disease: Current trends and future perspectives Glutathione: An Old and Small Molecule with Great Functions and New Applications in the Brain and in Alzheimer's Disease Mohamed Haddad, Vincent Herv, Mohamed Rafet Ben Khedher, Jean Michel Rabanel, Charles Ramassamy, Recent advances in Alzheimer's disease: mechanisms, clinical trials and new drug development strategies Signal Transduction and Targeted Therapy Elevation of glutathione as a therapeutic strategy in Alzheimer disease ScienceDirect Alzheimer's Disease: A Review of Pathology, Current Treatments, and the Potential Therapeutic Effect of Decreasing Oxidative Stress by Combined Vitamin D and l Cysteine Supplementation Sushil K. Jain, Christopher M. Stevens, Jeffrey