Nuclear thyroid hormone receptors.
نویسندگان
چکیده
منابع مشابه
Nuclear cytoplasmic shuttling by thyroid hormone receptors. multiple protein interactions are required for nuclear retention.
In this report, we have studied the intracellular dynamics and distribution of the thyroid hormone receptor-beta (TRbeta) in living cells, utilizing fusions to the green fluorescent protein. Wild-type TRbeta was mostly nuclear in both the absence and presence of triiodothyronine; however, triiodothyronine induced a nuclear reorganization of TRbeta. By mutating defined regions of TRbeta, we foun...
متن کاملBiological activities of thyroid hormone receptors.
In recent years a large amount of data has been gathered on the biology of thyroid hormone receptors. The receptor proteins have been analyzed from the physiological and structural points of view. Most of the information has been summarized in several recent excellent reviews (1–6). The thyroid hormone receptors (TR) are ligand-modulated transcription factors which are members of a large superf...
متن کاملRegulation of fibronectin by thyroid hormone receptors.
Thyroid hormones regulate growth, development, differentiation, and metabolic processes by interacting with and activating thyroid hormone receptors and associated pathways. We investigated the triiodothyronine (T3) modulation of gene expression, in human hepatocellular carcinoma cell lines, via a PCR-based cDNA subtraction method. Here we present further data on one of the T3-upregulated genes...
متن کاملThyroid Hormone Receptors BINDIXG CHARACTERISTICS AND LACK OF HORRlOn-AL DEPEXDENCY FOR NUCLEAR
Thyroid hormones have diverse effects on growth and metabolism. Specific “receptor” proteins which bind triiodothyronine and other biologically active analogs and which may be involved in thyroid hormone action have been recently found in nuclei of responsive tissues. This report presents studies of these receptors in rat liver nuclei. Confirming previous reports, a Scatchard analysis of the bi...
متن کاملNuclear thyroid hormone receptors in C3H/HeN mouse mammary glands and spontaneous tumors.
Saturable, high-affinity binding sites for 3,5,3'-triiodo-L-thyronine (T3) were identified in isolated nuclei and solubilized chromatin extracts of mammary glands, spontaneous mammary tumors, and liver from C3H/HeN mice. Receptor concentration in whole mammary gland nuclei (254 fmol/mg DNA) was only about one-half that of mouse liver nuclei (536 fmol/mg DNA), but in molecular weight (55,000) an...
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ژورنال
عنوان ژورنال: Journal of Clinical Investigation
سال: 1990
ISSN: 0021-9738
DOI: 10.1172/jci114906