source	studies
Blood	64
Liver	22
Cultured cells	17
Muscle	11
Adipose tissue	9
Brain	9
Heart	6
Lung	5
Kidney	4
Unspecified	4
Breast cancer cells	3
Eye tissue	3
Colon	3
B-cells	2
Stem cells	2
Cells	2
LNCaP cells	2
Prostate	2
Feces	2
Neurons	1
Ovaries	1
Quadriceps	1
Rectum	1
Small intestine	1
Spinal cord	1
Stomach	1
Thyroid	1
Tumor cells	1
Tumor tissue	1
Urine	1