Complex sentence: Plant-made copper chaperones and other metallopharmaceuticals are further indicated as lead compounds for the etiological treatment of Alzheimer's disease because these compounds may contribute to restore metal ion homeostasis in the brain of AD patients.
Split into simpler sentences: Plant-made copper chaperones and other metallopharmaceuticals are further indicated as lead compounds for the etiological treatment of Alzheimer's disease. Said compounds may restore metal homeostasis in the brain of AD patients.