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    Mol Endocrinol. 1990 Aug;4(8):1264-76.

    Isolation of TSH and LH/CG receptor cDNAs from human thyroid: regulation by tissue specific splicing.

    Frazier AL, Robbins LS, Stork PJ, Sprengel R, Segaloff DL, Cone RD.

    Department of Pathology, New England Medical Center Hospital, Boston, Massachusetts 02111.

    A TSH receptor (TSH-R) cDNA has been isolated from a human thyroid lambda GT11 library. Unexpectedly, several cDNAs encoding the human LH/CG receptor (LH/CG-R), previously thought to be expressed solely in gonadal cells, were also isolated from the thyroid library. The receptors are structurally related, consisting of a signal sequence, a large extracellular amino terminal domain, seven membrane spanning domains, and a short carboxyl-terminal portion. The TSH-R is encoded by a single 4.2 kilobase mRNA specific to the thyroid. Introns were not present in any hTSH-R cDNAs examined, however, sequencing of several LH/CG-R cDNAs and RNase protection experiments demonstrated that the majority of hLH/CG-R mRNA in the thyroid is incompletely spliced. Consequently, tissue-specific splicing may be an important step in the regulation of the glycoprotein hormone receptor family.

    PMID: 2293030 [PubMed - indexed for MEDLINE]

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      Thyroid is a hormone produced by the body. When taken correctly, thyroid is used to treat the symptoms of hypothyroidism (a condition where the thyroid gland does not produce enough thyroid hormone). Symptoms of hypothyr...

    • Source: AHFS Consumer Medication Information

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