[Thyrotropin receptor is expressed in non-thyroid tissues]
- PMID: 8196188
[Thyrotropin receptor is expressed in non-thyroid tissues]
Abstract
We have obtained TSH-R cDNA fragments from rat retro-orbital tissues and adipose tissue as well as FRTL5 cells by polymerase chain reaction methods. Nucleotide sequence of the non-thyroid cDNA was identical to that of the thyroid. Northern blot analysis has revealed that extremely high amount of TSH-R mRNA exist in the adipose tissue. TSH-R peptide antibody produced in rabbit, which stained recombinant TSH-R as 104 and 100 kDa proteins, also recognized the same M.W. bands in the adipose tissue and the retro-orbital tissues. These results suggest that TSH-R is expressed even in non-thyroid tissues.
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