text:  SFG_affected_4 brain, Superior frontal gyrus Sample Amount: 10 ng; Bio-Source Name: SFG_affected_4; Organism: Human ; Organ/Tissue Type: brain ; Organ Region: Superior Frontal Gyrus ; Cell Type: pyramidal neuron ; Ethnicity: unknown ; Developmental Stage: Adult ; Disease State: Alzheimer's Disease ; Sex: male ; Genetic Variation: None ; Age: 75 years