Investigating USP42 Mutation as Underlying Cause of Familial Non-Medullary Thyroid Carcinoma
In a family with Familial Non-Medullary Thyroid Carcinoma (FNMTC), our investigation using Whole-Exome Sequencing (WES) uncovered a novel germline USP42 mutation [p.(Gly486Arg)]. USP42 is known for regulating p53, cell cycle arrest, and apoptosis, and for being reported as overexpressed in breast and gastric cancer patients. Recently, a USP13 missense mutation was described in FNMTC, suggesting a potential involvement in thyroid cancer. Aiming to explore the USP42 mutation as an underlying cause of FNMTC, our team validated the mutation in blood and tissue samples from the family. Using immunohistochemistry, the expression of USP42, Caspase-3, and p53 was assessed. The USP42 gene was silenced in human thyroid Nthy-Ori 3-1 cells using siRNAs. Subsequently, expression, viability, and morphological assays were conducted. p53, Cyclin D1, p21, and p27 proteins were evaluated by Western blot. USP42 protein was confirmed in all family members and was found to be overexpressed in tumor samples, along with an increased expression of p53 and cleaved Caspase-3. siRNA-mediated USP42 downregulation in Nthy-Ori 3-1 cells resulted in reduced cell viability, morphological changes, and modifications in cell cycle-related proteins. Our results suggest a pivotal role of USP42 mutation in thyroid cell biology, and this finding indicates that USP42 may serve as a new putative target in FNMTC.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:25 |
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| Enthalten in: |
International journal of molecular sciences - 25(2024), 3 vom: 26. Jan. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Teixeira, Elisabete [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 14.02.2024 Date Revised 01.03.2024 published: Electronic Citation Status MEDLINE |
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| doi: |
10.3390/ijms25031522 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a In a family with Familial Non-Medullary Thyroid Carcinoma (FNMTC), our investigation using Whole-Exome Sequencing (WES) uncovered a novel germline USP42 mutation [p.(Gly486Arg)]. USP42 is known for regulating p53, cell cycle arrest, and apoptosis, and for being reported as overexpressed in breast and gastric cancer patients. Recently, a USP13 missense mutation was described in FNMTC, suggesting a potential involvement in thyroid cancer. Aiming to explore the USP42 mutation as an underlying cause of FNMTC, our team validated the mutation in blood and tissue samples from the family. Using immunohistochemistry, the expression of USP42, Caspase-3, and p53 was assessed. The USP42 gene was silenced in human thyroid Nthy-Ori 3-1 cells using siRNAs. Subsequently, expression, viability, and morphological assays were conducted. p53, Cyclin D1, p21, and p27 proteins were evaluated by Western blot. USP42 protein was confirmed in all family members and was found to be overexpressed in tumor samples, along with an increased expression of p53 and cleaved Caspase-3. siRNA-mediated USP42 downregulation in Nthy-Ori 3-1 cells resulted in reduced cell viability, morphological changes, and modifications in cell cycle-related proteins. Our results suggest a pivotal role of USP42 mutation in thyroid cell biology, and this finding indicates that USP42 may serve as a new putative target in FNMTC | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Familial Non-Medullary Thyroid Carcinoma | |
| 650 | 4 | |a familial thyroid cancer | |
| 650 | 4 | |a hereditary cancer | |
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| 700 | 1 | |a Fernandes, Cláudia |e verfasserin |4 aut | |
| 700 | 1 | |a Bungărdean, Maria |e verfasserin |4 aut | |
| 700 | 1 | |a Paula, Arnaud Da Cruz |e verfasserin |4 aut | |
| 700 | 1 | |a Lima, Raquel T |e verfasserin |4 aut | |
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| 700 | 1 | |a Vinagre, João |e verfasserin |4 aut | |
| 700 | 1 | |a Sobrinho-Simões, Manuel |e verfasserin |4 aut | |
| 700 | 1 | |a Máximo, Valdemar |e verfasserin |4 aut | |
| 700 | 1 | |a Soares, Paula |e verfasserin |4 aut | |
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