Understanding Immunohistochemistry TTF-1 Thyroid Transcription Factor-1 Test Immunohistochemistry (IHC) TTF-1, or Thyroid Transcription Factor-1, test plays a pivotal role in diagnosing various conditions, especially those related to the thyroid gland and lung cancers. TTF-1 is a nuclear protein expressed in the cells of the thyroid gland and lung tissues. It is instrumental in the embryonic […]
