A recombinant fragment (within amino acids 1-200) of human TTF-1 protein was used as the immunogen for the Thyroid transcription factor 1 antibody.
Recognizes a protein of 40kDa, identified as Thyroid transcription factor-1 (TTF-1). TTF-1 is a member of the NKx2 family of homeodomain transcription factors. It is expressed in epithelial cells of the thyroid gland and the lung. Nuclei from liver, stom