ArticleArchivum immunologiae et therapiae experimentalis2010
The enzymatic activity of type 1 iodothyronine deiodinase (D1) is low in liver hemangioma: a preliminary study.
Article in Archivum immunologiae et therapiae experimentalis, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 7 citations in OpenAlex.
- Establishment and validation of a diagnostic model for cholangiocarcinoma based on LightGBM machine-learning algorithm.Scientific reports · 2025Article
- Enzymatic activity of type 1 iodothyronine deiodinase in selected liver tumors.Archives of medical science : AMS · 2014Article
- Iodothyronine deiodinases and cancer.Journal of endocrinological investigation · 2011Review
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6 authors at 1 institution in 1 country.
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Abstract
Type 1 iodothyronine deiodinase (D1) is a crucial enzyme which converts the prohormone thyroxine (T4) into active tri-iodothyronine (T3). There has been strong evidence that the metabolism of thyroid hormones is disturbed in some neoplastic tissues such as thyroid, renal, and breast cancer. However, there are few available data about D1 enzyme activity in benign tumors such as hemangioma, which is the most common primary liver tumor. Hence this study aimed to determine the enzymatic activity of D1 in hemangiomas in relation to healthy liver tissue. Seven tumors and healthy control tissues were obtained from patients who had liver resection due to hemangioma. The activity was assessed by measurement of radioactive iodine released by deiodination catalyzed by D1. It was found that D1 activity was significantly lower in the hemangiomas than in the healthy surrounding tissue (p = 0.0017). The results indicated that thyroid hormones play important roles not only in the regulation of cell metabolism, but also in cell growth, division, and apoptosis. The active form T3 acts through its nuclear receptors and influences the up- and down-regulation of target genes. Healthy liver tissue expresses a high level of D1, but disturbed D1 activity may result in changes in the local concentration of T3 which may impair gene transcription. These finding demonstrate a low enzymatic activity of D1 in liver hemangioma and suggest an as yet unknown role of thyroid hormones in this type of benign liver tumor.
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