2023
DOI: 10.1038/s41467-023-36755-y
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Loss of p53 activates thyroid hormone via type 2 deiodinase and enhances DNA damage

Abstract: The Thyroid Hormone (TH) activating enzyme, type 2 Deiodinase (D2), is functionally required to elevate the TH concentration during cancer progression to advanced stages. However, the mechanisms regulating D2 expression in cancer still remain poorly understood. Here, we show that the cell stress sensor and tumor suppressor p53 silences D2 expression, thereby lowering the intracellular THs availability. Conversely, even partial loss of p53 elevates D2/TH resulting in stimulation and increased fitness of tumor c… Show more

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Cited by 15 publications
(9 citation statements)
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“…During tumorigenesis, the cancer cells enable growth, angiogenesis, and metastasis through autocrine and paracrine signaling [35]. Recent research has shown that the loss of p53, which commonly occurs in SCC tumors, allows for increased expression of type 2 Deiodinase (D2), an enzyme that activates the thyroid hormone (TH) [36,37]. In turn, TH induces VEGF-A transcription in SCC tumor cells, fostering tumor angiogenesis, nutrient delivery, and cancer progression [38].…”
Section: Squamous Cell Carcinomamentioning
confidence: 99%
“…During tumorigenesis, the cancer cells enable growth, angiogenesis, and metastasis through autocrine and paracrine signaling [35]. Recent research has shown that the loss of p53, which commonly occurs in SCC tumors, allows for increased expression of type 2 Deiodinase (D2), an enzyme that activates the thyroid hormone (TH) [36,37]. In turn, TH induces VEGF-A transcription in SCC tumor cells, fostering tumor angiogenesis, nutrient delivery, and cancer progression [38].…”
Section: Squamous Cell Carcinomamentioning
confidence: 99%
“…One of the many roles that p53 plays involves the intervention regarding the arrest and control of the cell cycle, apoptosis, DNA repair, senescence, or changes in metabolism. In the pathogenesis of cSCC, the inactivation of the p53 protein, which is caused by either genetic mutations or viral infections, such as HPV (human papilloma virus) infection, is implicated [16][17][18].…”
Section: Pathogenesis Of Csccmentioning
confidence: 99%
“…Notably, THs are involved in the growth, invasion, and metastasis of cancer (35,36). Therefore, many studies have investigated the role of THs in PCa, but the results are controversial.…”
Section: Thyroid Hormones and Prostate Cancermentioning
confidence: 99%