Abstract
TTF-1 and Pax-8 are thyroid-specific transcription factors, from homeo and paired box genes, respectively, that are responsible for thyroid development and for thyroglobulin and thyroperoxidase gene expression. However, TTF-1 and Pax-8 preferentially bind to the thyroglobulin and thyroperoxidase promoters, respectively. Here, we have studied a patient with defective thyroglobulin synthesis. Thyroglobulin mRNA was found at very low levels while the mRNA for thyroperoxidase was found to be more abundant compared with control tissue. The low levels of thyroglobulin mRNA are caused by a transcriptional defect due to the virtual absence of TTF-1 expression as determined by Northern blot analysis, reverse transcriptase-PCR, and electrophoretic mobility shift assays. The level of Pax-8 mRNA was the same in the goiter and in the control thyroid. These results are the first reported evidence of a congenital goiter with a thyroglobulin synthesis defect due to the low expression of the thyroid-specific transcription factor TTF-1. Moreover, these data suggest that TTF-1 and Pax-8 would be differentially regulating thyroglobulin and thyroperoxidase gene transcription.
Full text
PDFImages in this article
Selected References
These references are in PubMed. This may not be the complete list of references from this article.
- Brocas H., Christophe D., Pohl V., Vassart G. Cloning of human thyroglobulin complementary DNA. FEBS Lett. 1982 Jan 25;137(2):189–192. doi: 10.1016/0014-5793(82)80346-3. [DOI] [PubMed] [Google Scholar]
- Chomczynski P., Sacchi N. Single-step method of RNA isolation by acid guanidinium thiocyanate-phenol-chloroform extraction. Anal Biochem. 1987 Apr;162(1):156–159. doi: 10.1006/abio.1987.9999. [DOI] [PubMed] [Google Scholar]
- Christophe D., Cabrer B., Bacolla A., Targovnik H., Pohl V., Vassart G. An unusually long poly(purine)-poly(pyrimidine) sequence is located upstream from the human thyroglobulin gene. Nucleic Acids Res. 1985 Jul 25;13(14):5127–5144. doi: 10.1093/nar/13.14.5127. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Civitareale D., Castelli M. P., Falasca P., Saiardi A. Thyroid transcription factor 1 activates the promoter of the thyrotropin receptor gene. Mol Endocrinol. 1993 Dec;7(12):1589–1595. doi: 10.1210/mend.7.12.8145764. [DOI] [PubMed] [Google Scholar]
- Civitareale D., Lonigro R., Sinclair A. J., Di Lauro R. A thyroid-specific nuclear protein essential for tissue-specific expression of the thyroglobulin promoter. EMBO J. 1989 Sep;8(9):2537–2542. doi: 10.1002/j.1460-2075.1989.tb08391.x. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Desai K. B., Mehta M. N., Patel M. C., Sharma S. M., Ramanna L., Ganatra R. D. Familial goitre with absence of thyroglobulin and synthesis of thyroid hormones from thyroidal albumin. J Endocrinol. 1974 Mar;60(3):389–397. doi: 10.1677/joe.0.0600389. [DOI] [PubMed] [Google Scholar]
- Francis-Lang H., Price M., Polycarpou-Schwarz M., Di Lauro R. Cell-type-specific expression of the rat thyroperoxidase promoter indicates common mechanisms for thyroid-specific gene expression. Mol Cell Biol. 1992 Feb;12(2):576–588. doi: 10.1128/mcb.12.2.576. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Guazzi S., Price M., De Felice M., Damante G., Mattei M. G., Di Lauro R. Thyroid nuclear factor 1 (TTF-1) contains a homeodomain and displays a novel DNA binding specificity. EMBO J. 1990 Nov;9(11):3631–3639. doi: 10.1002/j.1460-2075.1990.tb07574.x. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Ikuyama S., Shimura H., Hoeffler J. P., Kohn L. D. Role of the cyclic adenosine 3',5'-monophosphate response element in efficient expression of the rat thyrotropin receptor promoter. Mol Endocrinol. 1992 Oct;6(10):1701–1715. doi: 10.1210/mend.6.10.1333054. [DOI] [PubMed] [Google Scholar]
- Kimura S., Kotani T., McBride O. W., Umeki K., Hirai K., Nakayama T., Ohtaki S. Human thyroid peroxidase: complete cDNA and protein sequence, chromosome mapping, and identification of two alternately spliced mRNAs. Proc Natl Acad Sci U S A. 1987 Aug;84(16):5555–5559. doi: 10.1073/pnas.84.16.5555. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Krasnow M. A., Saffman E. E., Kornfeld K., Hogness D. S. Transcriptional activation and repression by Ultrabithorax proteins in cultured Drosophila cells. Cell. 1989 Jun 16;57(6):1031–1043. doi: 10.1016/0092-8674(89)90341-3. [DOI] [PubMed] [Google Scholar]
- Lamas L., Santisteban P., Turmo C., Seguido A. M. Evidence, by in vitro enzymatic iodination of thyroglobulin, that the efficiency of coupling is determined by the initial iodide concentration. Endocrinology. 1986 May;118(5):2131–2136. doi: 10.1210/endo-118-5-2131. [DOI] [PubMed] [Google Scholar]
- Lazzaro D., Price M., de Felice M., Di Lauro R. The transcription factor TTF-1 is expressed at the onset of thyroid and lung morphogenesis and in restricted regions of the foetal brain. Development. 1991 Dec;113(4):1093–1104. doi: 10.1242/dev.113.4.1093. [DOI] [PubMed] [Google Scholar]
- Levi A., Eldridge J. D., Paterson B. M. Molecular cloning of a gene sequence regulated by nerve growth factor. Science. 1985 Jul 26;229(4711):393–395. doi: 10.1126/science.3839317. [DOI] [PubMed] [Google Scholar]
- Medeiros-Neto G., Targovnik H. M., Vassart G. Defective thyroglobulin synthesis and secretion causing goiter and hypothyroidism. Endocr Rev. 1993 Apr;14(2):165–183. doi: 10.1210/edrv-14-2-165. [DOI] [PubMed] [Google Scholar]
- Mizuno K., Gonzalez F. J., Kimura S. Thyroid-specific enhancer-binding protein (T/EBP): cDNA cloning, functional characterization, and structural identity with thyroid transcription factor TTF-1. Mol Cell Biol. 1991 Oct;11(10):4927–4933. doi: 10.1128/mcb.11.10.4927. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Pfäffle R. W., DiMattia G. E., Parks J. S., Brown M. R., Wit J. M., Jansen M., Van der Nat H., Van den Brande J. L., Rosenfeld M. G., Ingraham H. A. Mutation of the POU-specific domain of Pit-1 and hypopituitarism without pituitary hypoplasia. Science. 1992 Aug 21;257(5073):1118–1121. doi: 10.1126/science.257.5073.1118. [DOI] [PubMed] [Google Scholar]
- Plachov D., Chowdhury K., Walther C., Simon D., Guenet J. L., Gruss P. Pax8, a murine paired box gene expressed in the developing excretory system and thyroid gland. Development. 1990 Oct;110(2):643–651. doi: 10.1242/dev.110.2.643. [DOI] [PubMed] [Google Scholar]
- Poleev A., Fickenscher H., Mundlos S., Winterpacht A., Zabel B., Fidler A., Gruss P., Plachov D. PAX8, a human paired box gene: isolation and expression in developing thyroid, kidney and Wilms' tumors. Development. 1992 Nov;116(3):611–623. doi: 10.1242/dev.116.3.611. [DOI] [PubMed] [Google Scholar]
- Radovick S., Nations M., Du Y., Berg L. A., Weintraub B. D., Wondisford F. E. A mutation in the POU-homeodomain of Pit-1 responsible for combined pituitary hormone deficiency. Science. 1992 Aug 21;257(5073):1115–1118. doi: 10.1126/science.257.5073.1115. [DOI] [PubMed] [Google Scholar]
- Reith W., Satola S., Sanchez C. H., Amaldi I., Lisowska-Grospierre B., Griscelli C., Hadam M. R., Mach B. Congenital immunodeficiency with a regulatory defect in MHC class II gene expression lacks a specific HLA-DR promoter binding protein, RF-X. Cell. 1988 Jun 17;53(6):897–906. doi: 10.1016/s0092-8674(88)90389-3. [DOI] [PubMed] [Google Scholar]
- Shimura H., Ikuyama S., Shimura Y., Kohn L. D. The cAMP response element in the rat thyrotropin receptor promoter. Regulation by each decanucleotide of a flanking tandem repeat uses different, additive, and novel mechanisms. J Biol Chem. 1993 Nov 15;268(32):24125–24137. [PubMed] [Google Scholar]
- Shimura H., Okajima F., Ikuyama S., Shimura Y., Kimura S., Saji M., Kohn L. D. Thyroid-specific expression and cyclic adenosine 3',5'-monophosphate autoregulation of the thyrotropin receptor gene involves thyroid transcription factor-1. Mol Endocrinol. 1994 Aug;8(8):1049–1069. doi: 10.1210/mend.8.8.7997232. [DOI] [PubMed] [Google Scholar]
- Tatsumi K., Miyai K., Notomi T., Kaibe K., Amino N., Mizuno Y., Kohno H. Cretinism with combined hormone deficiency caused by a mutation in the PIT1 gene. Nat Genet. 1992 Apr;1(1):56–58. doi: 10.1038/ng0492-56. [DOI] [PubMed] [Google Scholar]
- Zannini M., Francis-Lang H., Plachov D., Di Lauro R. Pax-8, a paired domain-containing protein, binds to a sequence overlapping the recognition site of a homeodomain and activates transcription from two thyroid-specific promoters. Mol Cell Biol. 1992 Sep;12(9):4230–4241. doi: 10.1128/mcb.12.9.4230. [DOI] [PMC free article] [PubMed] [Google Scholar]