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ZSCAN16 expedites hepatocellular carcinoma progression via activating TBC1D31. ZSCAN16 通过激活 TBC1D31 加快肝细胞癌的进展。
IF 4.6 4区 生物学
Cell Division Pub Date : 2024-11-07 DOI: 10.1186/s13008-024-00135-9
Xiaofang Wang, Bo Xiao, Fuping Zhong, Yong Zhou, Qibo Wang, Jihao Jiang
{"title":"ZSCAN16 expedites hepatocellular carcinoma progression via activating TBC1D31.","authors":"Xiaofang Wang, Bo Xiao, Fuping Zhong, Yong Zhou, Qibo Wang, Jihao Jiang","doi":"10.1186/s13008-024-00135-9","DOIUrl":"10.1186/s13008-024-00135-9","url":null,"abstract":"<p><strong>Objective: </strong>Hepatocellular carcinoma (HCC) is fatal and poses great challenges to early diagnosis and effective treatment. This paper sought to expound the function of Zinc finger and SCAN domain-containing protein 16 (ZSCAN16) and TBC1 domain family member 31 (TBC1D31) in HCC progression.</p><p><strong>Methods: </strong>ZSCAN16 and TBC1D31 levels were detected by RT-qPCR, Western blot, and immunohistochemistry. The transcriptional regulation of TBC1D31 by ZSCAN16 was demonstrated by ChIP-qPCR and dual-luciferase assay. Colony formation assay, migration and invasion assays, TUNEL staining, CCK-8 assay, flow cytometry, and western blot analysis were adopted to evaluate the biological activity of HCC cells. The role of the ZSCAN16/TBC1D31 axis in HCC was demonstrated by lentiviral gene intervention combined with functional rescue experiments. Hep3B cells were used to establish a nude mouse xenograft tumor model to study the role of the ZSCAN16/TBC1D31 axis in vivo.</p><p><strong>Results: </strong>ZSCAN16 and TBC1D31 were highly expressed in HCC. Downregulation of ZSCAN16 repressed the proliferation, migration, and invasion of HCC cells while promoting apoptosis, as well as curbing tumor growth in vivo. Mechanistic studies showed that ZSCAN16 mediated the transcriptional activation of TBC1D31, which in turn led to tumor development. TBC1D31 overexpression reversed the inhibitory effect of ZSCAN16 knockdown on the malignant behavior and tumor growth of HCC cells and accelerated tumor development.</p><p><strong>Conclusion: </strong>ZSCAN16 mediates transcriptional activation of TBC1D31 and promotes HCC progression.</p>","PeriodicalId":49263,"journal":{"name":"Cell Division","volume":"19 1","pages":"31"},"PeriodicalIF":4.6,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11546084/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142607023","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
miR-3154 promotes glioblastoma proliferation and metastasis via targeting TP53INP1. miR-3154 通过靶向 TP53INP1 促进胶质母细胞瘤的增殖和转移。
IF 2.8 4区 生物学
Cell Division Pub Date : 2024-11-01 DOI: 10.1186/s13008-024-00134-w
Xiangdan Lin, Qiong Wu, Wei Lei, Dongyang Wu, Jianchun Sheng, Guobiao Liang, Guojun Hou, Di Fan
{"title":"miR-3154 promotes glioblastoma proliferation and metastasis via targeting TP53INP1.","authors":"Xiangdan Lin, Qiong Wu, Wei Lei, Dongyang Wu, Jianchun Sheng, Guobiao Liang, Guojun Hou, Di Fan","doi":"10.1186/s13008-024-00134-w","DOIUrl":"10.1186/s13008-024-00134-w","url":null,"abstract":"<p><p>Glioblastomas (GBM) are most common types of primary brain tumors and miRNAs play an important role in pathogenesis of glioblastomas. Here, we reported a new miRNA, miR-3154, which regulates glioblastoma proliferation and metastasis. miR-3154 was elevated in glioblastoma tissue and cell lines, and its elevation was associated with grade of glioblastomas. Knockdown of miR-3154 in cell lines weakened ability of proliferation and colony formation, and caused cell cycle arrested and higher percentage of apoptosis. Knockdown of miR-3154 also impaired ability of migration and invasion in glioblastoma cells. In mechanism, miR-3154 bound directly to Tumor Protein P53 Inducible Nuclear Protein 1 (TP53INP1), down-regulating TP53INP1 expression at both mRNA and protein level. Silence of TP53INP1 reversed the effect of miR-3154 knockdown on proliferation and metastasis of glioblastoma cells. These findings show that miR-3154 promotes glioblastoma proliferation and metastasis via targeting TP53INP1.</p>","PeriodicalId":49263,"journal":{"name":"Cell Division","volume":"19 1","pages":"30"},"PeriodicalIF":2.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11529598/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142565257","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
MiR-5195-3p predicts clinical prognosis and represses colorectal cancer progression by targeting TLR4/MyD88 signaling. MiR-5195-3p 可预测临床预后,并通过靶向 TLR4/MyD88 信号抑制结直肠癌的进展。
IF 2.8 4区 生物学
Cell Division Pub Date : 2024-10-10 DOI: 10.1186/s13008-024-00133-x
Yandong Lv, Shuwei Guo, Lingtong Jin, Kai Wang, Yongsheng Li, Haonan Li, Yikang Lu, Hongzhou Liu
{"title":"MiR-5195-3p predicts clinical prognosis and represses colorectal cancer progression by targeting TLR4/MyD88 signaling.","authors":"Yandong Lv, Shuwei Guo, Lingtong Jin, Kai Wang, Yongsheng Li, Haonan Li, Yikang Lu, Hongzhou Liu","doi":"10.1186/s13008-024-00133-x","DOIUrl":"10.1186/s13008-024-00133-x","url":null,"abstract":"<p><strong>Background: </strong>Recent studies have highlighted the role of miR-5195-3p in suppressing cell growth in various cancers. However, the specific functional impact of miR-5195-3p in colorectal cancer (CRC) remain to be fully clarified. The importance of miR-5195-3p in CRC was evaluated, aiming to uncover its underlying molecular mechanism and identify it as a potential therapeutic target for CRC.</p><p><strong>Results: </strong>Our research has shown that miR-5195-3p is markedly under-expressed in CRC tissues and cell cultures, with its reduced presence associated with a higher TNM stage, lymphatic invasion, and unfavorable survival outcome. Ectopic miR-5195-3p expression curtailed proliferation, migration, and invasion of SW1116 and HT29 cells. Additionally, we discovered that miR-5195-3p directly targets and negatively influences Toll-like receptor 4 (TLR4) in CRC cells. Moreover, an inverse relationship was noted between miR-5195-3p and TLR4 expression in CRC tissue samples. Notably, restoring TLR4 expression counteracted miR-5195-3p's suppressive impact on cell growth, motility, invasiveness, epithelial-mesenchymal transition (EMT), and the TLR4/MyD88 signaling pathway in SW1116 and HT29 cells.</p><p><strong>Conclusions: </strong>MiR-5195-3p suppresses the CRC cellular functions through the downregulation of TLR4/MyD88 signaling, indicating that targeting miR-5195-3p might offer a viable therapeutic strategy for CRC.</p>","PeriodicalId":49263,"journal":{"name":"Cell Division","volume":"19 1","pages":"29"},"PeriodicalIF":2.8,"publicationDate":"2024-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11468180/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142401733","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
CLK3 promotes tumor proliferation by activating MYC signaling CLK3 通过激活 MYC 信号促进肿瘤增殖
IF 2.3 4区 生物学
Cell Division Pub Date : 2024-09-17 DOI: 10.1186/s13008-024-00132-y
Jing Shen, Yu Zhao, Yang Man, Xuling Sun
{"title":"CLK3 promotes tumor proliferation by activating MYC signaling","authors":"Jing Shen, Yu Zhao, Yang Man, Xuling Sun","doi":"10.1186/s13008-024-00132-y","DOIUrl":"https://doi.org/10.1186/s13008-024-00132-y","url":null,"abstract":"Colorectal cancer (CRC) ranks among the leading causes of cancer-related mortality worldwide, posing a significant public health challenge. Despite advancements in treatment strategies, prognosis for advanced CRC remains poor. Here, we investigate the role of CLK3 and its interaction with the c-Myc signaling pathway in CRC progression. Our study reveals significant overexpression of CLK3 in CRC tumor tissues, correlating with disease advancement, and demonstrates that CLK3 promotes CRC cell proliferation, mediated by its activation of MYC signaling through upregulation of c-MYC expression. In vivo experiments confirm the oncogenic role of CLK3, with its loss resulting in decreased tumor growth and c-MYC expression. These findings highlight CLK3 as a potential therapeutic target in CRC, offering insights into novel treatment strategies.","PeriodicalId":49263,"journal":{"name":"Cell Division","volume":"19 1","pages":""},"PeriodicalIF":2.3,"publicationDate":"2024-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142266197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Overexpression of ZFP69B promotes hepatocellular carcinoma growth by upregulating the expression of TLX1 and TRAPPC9 ZFP69B 的过表达通过上调 TLX1 和 TRAPPC9 的表达促进肝细胞癌的生长
IF 2.3 4区 生物学
Cell Division Pub Date : 2024-09-11 DOI: 10.1186/s13008-024-00131-z
Wei Xie, Zhongming Bao, Dan Yao, Yong Yang
{"title":"Overexpression of ZFP69B promotes hepatocellular carcinoma growth by upregulating the expression of TLX1 and TRAPPC9","authors":"Wei Xie, Zhongming Bao, Dan Yao, Yong Yang","doi":"10.1186/s13008-024-00131-z","DOIUrl":"https://doi.org/10.1186/s13008-024-00131-z","url":null,"abstract":"T-cell leukemia homeobox protein 1 (TLX1) has been revealed as a hub transcription factor in leukemia, while its function in hepatocellular carcinoma (HCC) has not been well described. Here, we investigated the regulation and function of TLX1 in HCC. TLX1 and its possible upstream and downstream molecules in HCC were identified using bioinformatics tools, which were then verified by RT-qPCR assay. CCK-8, wound healing, and Transwell invasion assays were performed to detect the effects of TLX1 knockdown on HCC cells. The interactions between TLX1 and trafficking protein particle complex subunit 9 (TRAPPC9) or Zinc finger protein 69 homolog B (ZFP69B) were further probed by ChIP and luciferase reporter assays. Rescue experiments were finally conducted in vitro and in vivo. TLX1 was highly expressed in HCC cells, and the knockdown of TLX1 led to reduced malignant biological behavior of HCC cells. TLX1 bound to the promoter region of TRAPPC9, thereby promoting TRAPPC9 expression. Overexpression of TRAPPC9 attenuated the effect of TLX1 reduction on suppressing malignant behavior of HCC cells. ZFP69B was also highly expressed in HCC cells and bound to the promoter region of TLX1 to induce TLX1 expression. Knockdown of ZFP69B inhibited the viability and mobility of HCC cells in vitro and tumor growth in vivo, and overexpression of TLX1 rescued this inhibition. These findings suggest that ZFP69B promotes the proliferation of HCC cells by directly upregulating the expression of TLX1 and the ensuing TRAPPC9.","PeriodicalId":49263,"journal":{"name":"Cell Division","volume":"1 1","pages":""},"PeriodicalIF":2.3,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142215706","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
TRPM2-AS promotes ovarian cancer cell proliferation and inhibits cell apoptosis by upregulating the nearby gene TRPM2 via miR-6764-5p. TRPM2-AS通过miR-6764-5p上调附近基因TRPM2,从而促进卵巢癌细胞增殖并抑制细胞凋亡。
IF 2.8 4区 生物学
Cell Division Pub Date : 2024-08-27 DOI: 10.1186/s13008-024-00130-0
Wei Zhu, Shiqin Mao, Juan Jiang
{"title":"TRPM2-AS promotes ovarian cancer cell proliferation and inhibits cell apoptosis by upregulating the nearby gene TRPM2 via miR-6764-5p.","authors":"Wei Zhu, Shiqin Mao, Juan Jiang","doi":"10.1186/s13008-024-00130-0","DOIUrl":"10.1186/s13008-024-00130-0","url":null,"abstract":"<p><p>Ovarian cancer (OC) becomes a fatal gynecologic malignant cancer in females worldwide. Target therapy is a promising therapeutical choice for patients with OC, and identifying biomarkers and exploring molecular mechanisms are necessary. In this study, the functions and mechanism of long noncoding RNA transient receptor potential cation channel subfamily M member 2 antisense RNA (TRPM2-AS) in OC were explored. TRPM2-AS expression in OC cells was analyzed utilizing reverse transcription quantitative polymerase chain reaction (RT-qPCR). Cell counting kit-8 (CCK-8) and colony forming assays were carried out to explore the influence of TRPM2-AS on OC cell viability and proliferation. Cell apoptosis was detected using TdT-mediated dUTP Nick-End labeling (TUNEL) and flow cytometry analysis. Protein expression of apoptotic markers was subjected to western blotting. RNA pulldown or luciferase reporter assays were applied to explore the interaction between TRPM2-AS and miR-6764-5p or the binding of miR-6764-5p and TRPM2. The results showed that TRPM2-AS is highly expressed in OC cells and was mainly localized in cytoplasm. TRPM2-AS depletion suppressed OC cell viability and proliferation while increasing cell apoptotic rate. TRPM2 displayed a high level in OC cells and was positively regulated by TRPM2-AS. TRPM2-AS interacted with miR-6764-5p and thereby upregulated TRPM2 expression. In addition, TRPM2 overexpression reversed the repressive impact of TRPM2-AS depletion on malignant OC cellular process. In conclusion, TRPM2-AS promotes OC cell viability and proliferation while enhancing cell apoptosis through interaction with miR-6764-5p to regulate TRPM2 level.</p>","PeriodicalId":49263,"journal":{"name":"Cell Division","volume":"19 1","pages":"26"},"PeriodicalIF":2.8,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11351637/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142082414","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Long non-coding RNA NEAT1 induced by BHLHE40 activates Wnt/β-catenin signaling and potentiates colorectal cancer progression. BHLHE40 诱导的长非编码 RNA NEAT1 可激活 Wnt/β-catenin 信号并促进结直肠癌的进展。
IF 2.8 4区 生物学
Cell Division Pub Date : 2024-08-04 DOI: 10.1186/s13008-024-00129-7
Anlong Ji, Hui Li, Xiangwei Fu, Yourong Zhang, Yanhe Liu
{"title":"Long non-coding RNA NEAT1 induced by BHLHE40 activates Wnt/β-catenin signaling and potentiates colorectal cancer progression.","authors":"Anlong Ji, Hui Li, Xiangwei Fu, Yourong Zhang, Yanhe Liu","doi":"10.1186/s13008-024-00129-7","DOIUrl":"10.1186/s13008-024-00129-7","url":null,"abstract":"<p><strong>Background: </strong>Nuclear-enriched abundant transcript 1 (NEAT1), a long noncoding RNA (lncRNA), has been implicated in the colorectal cancer (CRC) progression. However, its upstream mechanism has not been well studied. In the present study, the functions and mechanisms of NEAT1 in CRC were investigated.</p><p><strong>Methods: </strong>The NEAT1 expression in CRC tissues and CRC cells was analyzed by RT-qPCR. The genes co-expressed with NEAT1 in CRC were obtained from UALCAN, which were intersected with the transcription factors targeting NEAT1 from hTFtarget. Dual-luciferase assay, RT-qPCR, and ChIP were conducted to analyze the transcriptional regulatory relationship between BHLHE40 and NEAT1. LoVo and HCT-15 cells knocking down BHLHE40 and overexpressing NEAT1 were subjected to MTT, Transwell, Western blot, and flow cytometry to examine the malignant aggressiveness of CRC cells. The effects of knocking down BHLHE40 and overexpressing NEAT1 on tumor and lung metastasis were investigated in mice using HE and immunohistochemical analyses.</p><p><strong>Results: </strong>NEAT1 and BHLHE40 were significantly overexpressed in CRC tissues and cells. BHLHE40 has a binding relationship with the NEAT1 promoter. Knockdown of BHLHE40 resulted in a reverted malignant phenotype in vitro and slowed tumor growth and metastasis dissemination in vivo, which were reversed by NEAT1 overexpression. Overexpression of BHLHE40 increased Wnt/β-catenin pathway activity, but knockdown of NEAT1 decreased Wnt/β-catenin pathway activity.</p><p><strong>Conclusions: </strong>BHLHE40 mediates the transcriptional activation of NEAT1, which activates the Wnt/β-catenin pathway and promotes the CRC progression.</p>","PeriodicalId":49263,"journal":{"name":"Cell Division","volume":"19 1","pages":"25"},"PeriodicalIF":2.8,"publicationDate":"2024-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11299305/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141890674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The interplay of transition metals in ferroptosis and pyroptosis 过渡金属在铁跃迁和火跃迁中的相互作用
IF 2.3 4区 生物学
Cell Division Pub Date : 2024-08-03 DOI: 10.1186/s13008-024-00127-9
Frantisek Vana, Zoltan Szabo, Michal Masarik, Monika Kratochvilova
{"title":"The interplay of transition metals in ferroptosis and pyroptosis","authors":"Frantisek Vana, Zoltan Szabo, Michal Masarik, Monika Kratochvilova","doi":"10.1186/s13008-024-00127-9","DOIUrl":"https://doi.org/10.1186/s13008-024-00127-9","url":null,"abstract":"Cell death is one of the most important mechanisms of maintaining homeostasis in our body. Ferroptosis and pyroptosis are forms of necrosis-like cell death. These cell death modalities play key roles in the pathophysiology of cancer, cardiovascular, neurological diseases, and other pathologies. Transition metals are abundant group of elements in all living organisms. This paper presents a summary of ferroptosis and pyroptosis pathways and their connection to significant transition metals, namely zinc (Zn), copper (Cu), molybdenum (Mo), lead (Pb), cobalt (Co), iron (Fe), cadmium (Cd), nickel (Ni), mercury (Hg), uranium (U), platinum (Pt), and one crucial element, selenium (Se). Authors aim to summarize the up-to-date knowledge of this topic. In this review, there are categorized and highlighted the most common patterns in the alterations of ferroptosis and pyroptosis by transition metals. Special attention is given to zinc since collected data support its dual nature of action in both ferroptosis and pyroptosis. All findings are presented together with a brief description of major biochemical pathways involving mentioned metals and are visualized in attached comprehensive figures. This work concludes that the majority of disruptions in the studied metals’ homeostasis impacts cell fate, influencing both death and survival of cells in the complex system of altered pathways. Therefore, this summary opens up the space for further research. ","PeriodicalId":49263,"journal":{"name":"Cell Division","volume":"60 1","pages":""},"PeriodicalIF":2.3,"publicationDate":"2024-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141882780","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Depletion of NUAK2 blocks the stemness and angiogenesis and facilitates senescence of lung adenocarcinoma cells via enhancing ferroptosis 消耗 NUAK2 可通过增强铁变态反应阻止肺腺癌细胞的干性和血管生成,并促进其衰老
IF 2.3 4区 生物学
Cell Division Pub Date : 2024-07-28 DOI: 10.1186/s13008-024-00128-8
Jun Fan, Lei Xue, Haoran Lin, Jinhua Luo
{"title":"Depletion of NUAK2 blocks the stemness and angiogenesis and facilitates senescence of lung adenocarcinoma cells via enhancing ferroptosis","authors":"Jun Fan, Lei Xue, Haoran Lin, Jinhua Luo","doi":"10.1186/s13008-024-00128-8","DOIUrl":"https://doi.org/10.1186/s13008-024-00128-8","url":null,"abstract":"NUAK family kinase 2 (NUAK2) has been identified as an important mediator for tumor progression in multiple malignancies. Nevertheless, its role in lung adenocarcinoma (LUAD) remains unclear. Bioinformatic analysis was performed to assess the expression and prognosis of NUAK2 in patients with LUAD. The NUAK2 expression was measured in multiple LUAD cell lines, and the loss-of-function experiment was conducted. Cell proliferation ability was assessed using CCK-8 and colony formation assays. Spheroid formation, alkaline phosphatase (AP) staining, tube formation and SA-β-gal staining assays were performed to examine stemness, angiogenesis and senescence. Lipid peroxidase was assessed by TBARS production and lipid ROS. Western blot was used to detect critical proteins. In addition, A549 cells were treated with ferroptosis inhibitor ferrostatin-1 (Fer-1) for a rescue assay. Finally, A549 cells were subcutaneously injected into the right flank of mice to establish LUAD-bearing mouse model, and the tumor weight and size were detected. NUAK2 was upregulated in patients with LUAD and LUAD cell lines. NUAK2 depletion inhibited cell viability, colonies, tumor spheres and decreased Oct4 and Nanog expression, confirming NUAK2 depletion inhibited proliferation and stemness of A549 cells. Meanwhile, NUAK2 depletion blocked angiogenesis via reducing formed tubes and VEGFR1/2 expression, and promoted senescence of A549 cells by elevating SA-β-gal-positive cells and p16, p21 and p53 expression. Moreover, NUAK2 depletion elevated lipid ROS, TBARS production and Fe2+ level, demonstrating that NUAK2 depletion could trigger ferroptosis in A549 cells. Furthermore, the rescue experiments revealed that the impacts of NUAK2 depletion on malignant behaviors in A549 cells were partly weakened by additional Fer-1 treatment. Finally, in vivo experiments demonstrated that NUAK2 knockdown greatly inhibited tumor growth in LUAD-bearing mice. In summary, NUAK2 depletion impeded oncogenic phenotypes of A549 cells partly via triggering ferroptosis, suggesting NUAK2 as a novel target for treating LUAD.","PeriodicalId":49263,"journal":{"name":"Cell Division","volume":"61 1","pages":""},"PeriodicalIF":2.3,"publicationDate":"2024-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141772419","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
NPRL2 is required for proliferation of oncogenic Ras-transformed bronchial epithelial cells. 致癌的 Ras 转化支气管上皮细胞的增殖需要 NPRL2。
IF 2.8 4区 生物学
Cell Division Pub Date : 2024-06-24 DOI: 10.1186/s13008-024-00126-w
Jing-Yuan Chuang, Hsiao-Hui Kuo, Pei-Han Wang, Chih-Jou Su, Ling-Huei Yih
{"title":"NPRL2 is required for proliferation of oncogenic Ras-transformed bronchial epithelial cells.","authors":"Jing-Yuan Chuang, Hsiao-Hui Kuo, Pei-Han Wang, Chih-Jou Su, Ling-Huei Yih","doi":"10.1186/s13008-024-00126-w","DOIUrl":"10.1186/s13008-024-00126-w","url":null,"abstract":"<p><p>Nitrogen permease regulator-like 2 (NPRL2/TUSC4) is known to exert both tumor-suppressing and oncogenic effects in different types of cancers, suggesting that its actions are context dependent. Here, we delineated the molecular and functional effects of NPRL2 in malignantly transformed bronchial epithelial cells. To do so, we depleted NPRL2 in oncogenic HRas-transduced and malignantly transformed human bronchial epithelial (BEAS2B), Ras-AI-T2 cells. Intriguingly, depletion of NPRL2 in these cells induced activation of mTORC1 downstream signaling, inhibited autophagy, and impaired Ras-AI-T2 cell proliferation both in vitro and in vivo. These results suggest that NPRL2 is required for oncogenic HRas-induced cell transformation. Depletion of NPRL2 increased levels of the DNA damage marker γH2AX, the cell cycle inhibitors p21 and p27, and the apoptosis marker cleaved-PARP. These NPRL2-depleted cells first accumulated at G1 and G2, and later exhibited signs of mitotic catastrophe, which implied that NPRL2 depletion may be detrimental to oncogenic HRas-transformed cells. Additionally, NPRL2 depletion reduced heat shock factor 1/heat shock element- and NRF2/antioxidant response element-directed luciferase reporter activities in Ras-AI-T2 cells, indicating that NPRL2 depletion led to the suppression of two key cytoprotective processes in oncogenic HRas-transformed cells. Overall, our data suggest that oncogenic HRas-transduced and malignantly transformed cells may depend on NPRL2 for survival and proliferation, and depletion of NPRL2 also induces a stressed state in these cells.</p>","PeriodicalId":49263,"journal":{"name":"Cell Division","volume":"19 1","pages":"22"},"PeriodicalIF":2.8,"publicationDate":"2024-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11197203/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141447428","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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