Characterization of the Nrf2 Response in Patients With Autosomal Dominant Polycystic Kidney Disease (ADPKD)

Inclusion Criteria (ADPKD Subjects): * ADPKD (based on Ravine et al. criteria) * Class 1 B-E according to our imaging classification * Male and female subjects 18 - 30 years of age, inclusive * Estimated GFR\> 60 mL/min/m2 (CKD-EPI equation) * Ability to provide written, informed consent. Exclusion Criteria (ADPKD Subjects): * Class 2 according to our imaging classification * Concomitant systemic disease in the kidney (e.g. lupus, hepatitis B or C, amyloidosis) * Diabetes mellitus (fasting glucose \> 126 mg/dL or treatment with insulin or oral hypoglycemics). * Predicted urine protein excretion in urinalysis \>1 g/24 hrs * Abnormal urinalysis suggestive of concomitant glomerular disease. * Subjects having contraindications to, or interference with MRI assessments. \[For example: ferromagnetic metal prostheses, aneurysm clips, severe claustrophobia, large abdominal/back tattoos, etc\]. * Female subjects that are pregnant Inclusion Criteria (Healthy Subjects): * Male and female subjects 18 - 30 years of age, inclusive * Estimated GFR\> 60 mL/min/m2 (CKD-EPI equation) * Ability to provide written, informed consent. Exclusion Criteria (Healthy Subjects): * Previous personal or family history of kidney disease. * Concomitant systemic disease in the kidney (e.g. lupus, hepatitis B or C, amyloidosis) * Diabetes mellitus (fasting glucose \> 126 mg/dL or treatment with insulin or oral hypoglycemics). * Presence of proteinuria * Abnormal urinalysis suggestive glomerular disease. * Subjects having contraindications to, or interference with MRI assessments. \[For example: ferromagnetic metal prostheses, aneurysm clips, severe claustrophobia, large abdominal/back tattoos, etc\] * Female subjects that are pregnant