NSUN2 Promotes Head and Neck Squamous Cell Carcinoma Progression by Targeting EMT-Related Gene LAMC2 in an m<sup>5</sup>C-YBX1-Dependent Manner
Background/Objectives: Head and neck squamous cell carcinoma (HNSCC) is a prevalent and aggressive cancer with high rates of metastasis and poor prognosis. Recent research highlights the role of 5-methylcytosine (m<sup>5</sup>C) in cancer progression. NSUN2, an m<sup>5</sup>C...
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2024-11-01
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| author | Shuojin Huang Congyuan Cao Dongxiao Tang Yiwen Liu Wanhang Zhou Lianlian Liu Xin Zheng Qianting He Anxun Wang |
| author_facet | Shuojin Huang Congyuan Cao Dongxiao Tang Yiwen Liu Wanhang Zhou Lianlian Liu Xin Zheng Qianting He Anxun Wang |
| author_sort | Shuojin Huang |
| collection | DOAJ |
| description | Background/Objectives: Head and neck squamous cell carcinoma (HNSCC) is a prevalent and aggressive cancer with high rates of metastasis and poor prognosis. Recent research highlights the role of 5-methylcytosine (m<sup>5</sup>C) in cancer progression. NSUN2, an m<sup>5</sup>C methyltransferase, has been implicated in various cancers, but its role in HNSCC remains elusive. Methods: NSUN2 expression and its impact on HNSCC were analyzed by using clinical samples and bioinformatic analysis. m<sup>5</sup>C-Bis-Seq was used to assess changes in mRNA m<sup>5</sup>C modification and identify downstream targets. Both in vitro and vivo studies were performed to evaluate the impact of NSUN2 manipulation on tumor growth and metastasis. Results: Results indicated that NSUN2 was significantly upregulated in HNSCC tissues compared to normal tissues and was associated with poor prognosis. NSUN2 knockdown led to decreased cell proliferation, migration, and invasion in vitro and reduced tumorigenicity and lymph node metastasis in vivo. m<sup>5</sup>C-Bis-Seq revealed altered m<sup>5</sup>C-modification patterns upon NSUN2 knockdown, with LAMC2 identified as a key downstream target. Conclusions: NSUN2-mediated m<sup>5</sup>C-modification enhanced LAMC2 stability, promoting epithelial–mesenchymal transition (EMT) signaling pathways. These findings demonstrate that NSUN2 promotes the initiation and progression of HNSCC by stabilizing the LAMC2 transcript through m<sup>5</sup>C-dependent mechanisms, offering a promising epitranscriptomic-targeted therapeutic approach for HNSCC. |
| format | Article |
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| institution | Kabale University |
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| language | English |
| publishDate | 2024-11-01 |
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| series | Biomedicines |
| spelling | doaj-art-e7b238ce2a0f4bbba09dc7931de7037a2024-11-26T17:53:08ZengMDPI AGBiomedicines2227-90592024-11-011211253310.3390/biomedicines12112533NSUN2 Promotes Head and Neck Squamous Cell Carcinoma Progression by Targeting EMT-Related Gene LAMC2 in an m<sup>5</sup>C-YBX1-Dependent MannerShuojin Huang0Congyuan Cao1Dongxiao Tang2Yiwen Liu3Wanhang Zhou4Lianlian Liu5Xin Zheng6Qianting He7Anxun Wang8Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, ChinaDepartment of Oral and Maxillofacial Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, ChinaDepartment of Stomatology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, ChinaDepartment of Endodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou 510280, ChinaDepartment of Oral and Maxillofacial Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, ChinaDepartment of Oral and Maxillofacial Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, ChinaDepartment of Oral and Maxillofacial Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, ChinaDepartment of Oral and Maxillofacial Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, ChinaDepartment of Oral and Maxillofacial Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, ChinaBackground/Objectives: Head and neck squamous cell carcinoma (HNSCC) is a prevalent and aggressive cancer with high rates of metastasis and poor prognosis. Recent research highlights the role of 5-methylcytosine (m<sup>5</sup>C) in cancer progression. NSUN2, an m<sup>5</sup>C methyltransferase, has been implicated in various cancers, but its role in HNSCC remains elusive. Methods: NSUN2 expression and its impact on HNSCC were analyzed by using clinical samples and bioinformatic analysis. m<sup>5</sup>C-Bis-Seq was used to assess changes in mRNA m<sup>5</sup>C modification and identify downstream targets. Both in vitro and vivo studies were performed to evaluate the impact of NSUN2 manipulation on tumor growth and metastasis. Results: Results indicated that NSUN2 was significantly upregulated in HNSCC tissues compared to normal tissues and was associated with poor prognosis. NSUN2 knockdown led to decreased cell proliferation, migration, and invasion in vitro and reduced tumorigenicity and lymph node metastasis in vivo. m<sup>5</sup>C-Bis-Seq revealed altered m<sup>5</sup>C-modification patterns upon NSUN2 knockdown, with LAMC2 identified as a key downstream target. Conclusions: NSUN2-mediated m<sup>5</sup>C-modification enhanced LAMC2 stability, promoting epithelial–mesenchymal transition (EMT) signaling pathways. These findings demonstrate that NSUN2 promotes the initiation and progression of HNSCC by stabilizing the LAMC2 transcript through m<sup>5</sup>C-dependent mechanisms, offering a promising epitranscriptomic-targeted therapeutic approach for HNSCC.https://www.mdpi.com/2227-9059/12/11/2533NSUN2mRNA m<sup>5</sup>C modificationshead and neck squamous cell carcinomaLAMC2epithelial–mesenchymal transition |
| spellingShingle | Shuojin Huang Congyuan Cao Dongxiao Tang Yiwen Liu Wanhang Zhou Lianlian Liu Xin Zheng Qianting He Anxun Wang NSUN2 Promotes Head and Neck Squamous Cell Carcinoma Progression by Targeting EMT-Related Gene LAMC2 in an m<sup>5</sup>C-YBX1-Dependent Manner Biomedicines NSUN2 mRNA m<sup>5</sup>C modifications head and neck squamous cell carcinoma LAMC2 epithelial–mesenchymal transition |
| title | NSUN2 Promotes Head and Neck Squamous Cell Carcinoma Progression by Targeting EMT-Related Gene LAMC2 in an m<sup>5</sup>C-YBX1-Dependent Manner |
| title_full | NSUN2 Promotes Head and Neck Squamous Cell Carcinoma Progression by Targeting EMT-Related Gene LAMC2 in an m<sup>5</sup>C-YBX1-Dependent Manner |
| title_fullStr | NSUN2 Promotes Head and Neck Squamous Cell Carcinoma Progression by Targeting EMT-Related Gene LAMC2 in an m<sup>5</sup>C-YBX1-Dependent Manner |
| title_full_unstemmed | NSUN2 Promotes Head and Neck Squamous Cell Carcinoma Progression by Targeting EMT-Related Gene LAMC2 in an m<sup>5</sup>C-YBX1-Dependent Manner |
| title_short | NSUN2 Promotes Head and Neck Squamous Cell Carcinoma Progression by Targeting EMT-Related Gene LAMC2 in an m<sup>5</sup>C-YBX1-Dependent Manner |
| title_sort | nsun2 promotes head and neck squamous cell carcinoma progression by targeting emt related gene lamc2 in an m sup 5 sup c ybx1 dependent manner |
| topic | NSUN2 mRNA m<sup>5</sup>C modifications head and neck squamous cell carcinoma LAMC2 epithelial–mesenchymal transition |
| url | https://www.mdpi.com/2227-9059/12/11/2533 |
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