PPARG and thyroid gland carcinoma: Thyroid cancer cells thatdid not express PPARγ showed no growth inhibition after treatmentwith troglitazone and 15d-PGJ2 compared with thyroid cancer cellsthat did express PPARγ and were sensitive to growth inhibition bytroglitazone and 15d-PGJ2, suggesting PPARγ-dependent growth inhibition.