Cellular OncologyPub Date : 2024-12-01Epub Date: 2024-12-18DOI: 10.1007/s13402-024-01029-2
Bin Cheng, Jing Ma, Ni Tang, Rui Liu, Pai Peng, Kai Wang
{"title":"Non-canonical function of PHGDH promotes HCC metastasis by interacting with METTL3.","authors":"Bin Cheng, Jing Ma, Ni Tang, Rui Liu, Pai Peng, Kai Wang","doi":"10.1007/s13402-024-01029-2","DOIUrl":"10.1007/s13402-024-01029-2","url":null,"abstract":"<p><strong>Purpose: </strong>Phosphoglycerate dehydrogenase (PHGDH), a pivotal enzyme in serine synthesis, plays a key role in the malignant progression of tumors through both its metabolic activity and moonlight functions. This study aims to elucidate the non-canonical function of PHGDH in promoting hepatocellular carcinoma (HCC) metastasis through its interaction with methyltransferase-like 3 (METTL3), potentially uncovering a novel therapeutic target.</p><p><strong>Methods: </strong>Western blot was used to study PHGDH expression changes under anoikis and cellular functional assays were employed to assess its role in HCC metastasis. PHGDH-METTL3 interactions were explored using GST pull-down, Co-immunoprecipitation and immunofluorescence assays. Protein stability and ubiquitination assays were performed to understand PHGDH's impact on METTL3. Flow cytometry, cellular assays and nude mice model were used to confirm PHGDH's effects on anoikis resistance and HCC metastasis in vitro and in vivo.</p><p><strong>Results: </strong>PHGDH is upregulated under anoikis conditions, thereby enhancing the metastatic potential of HCC cells. By interacting with METTL3, PHGDH prevents its ubiquitin-dependent degradation, resulting in higher METTL3 protein levels. This interaction upregulates epithelial-mesenchymal transition related genes, contributing to anoikis resistance and HCC metastasis. Nude mice model confirms that PHGDH's interaction with METTL3 is crucial for driving HCC metastasis.</p><p><strong>Conclusion: </strong>Our research presents the first evidence that PHGDH promotes HCC metastasis by interacting with METTL3. The PHGDH-METTL3 axis may serve as a potential clinical therapeutic target, offering new insights into the multifaceted roles of PHGDH in HCC metastasis.</p>","PeriodicalId":49223,"journal":{"name":"Cellular Oncology","volume":" ","pages":"2427-2438"},"PeriodicalIF":4.9,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142856165","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Metabolic insights into tumor lymph node metastasis in melanoma.","authors":"Jiayi Huang, Zixu Gao, Jiangying Xuan, Ningyuan Gao, Chuanyuan Wei, Jianying Gu","doi":"10.1007/s13402-024-01027-4","DOIUrl":"10.1007/s13402-024-01027-4","url":null,"abstract":"<p><p>Although accounting for only a small amount of skin cancers, melanoma contributes prominently to skin cancer-related deaths, which are mostly caused by metastatic diseases, and lymphatic metastasis constitutes the main route. In this review, we concentrate on the metabolic mechanisms of tumor lymph node (LN) metastasis in melanoma. Two hypotheses of melanoma LN metastasis are introduced, which are the premetastatic niche (PMN) and parallel progression model. Dysregulation of oxidative stress, lactic acid concentration, fatty acid synthesis, amino acid metabolism, autophagy, and ferroptosis construct the metabolic mechanisms in LN metastasis of melanoma. Moreover, melanoma cells also promote LN metastasis by interacting with non-tumor cells through metabolic reprogramming in TIME. This review will deepen our understanding of the mechanism of lymph node metastasis in melanoma.</p>","PeriodicalId":49223,"journal":{"name":"Cellular Oncology","volume":" ","pages":"2099-2112"},"PeriodicalIF":4.9,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142865987","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Cellular OncologyPub Date : 2024-12-01Epub Date: 2024-12-10DOI: 10.1007/s13402-024-01022-9
Jing Yang, Xuhui Tong, Wei Wang, Xianjun Yu, Jin Xu, Si Shi
{"title":"Targeting CA9 restricts pancreatic cancer progression through pH regulation and ROS production.","authors":"Jing Yang, Xuhui Tong, Wei Wang, Xianjun Yu, Jin Xu, Si Shi","doi":"10.1007/s13402-024-01022-9","DOIUrl":"10.1007/s13402-024-01022-9","url":null,"abstract":"<p><strong>Purpose: </strong>Lactate is a key metabolite produced by glycolytic metabolism, yet it also serves as an energy source for cancer cells. Lactate accumulation in the tumor microenvironment (TME) has been demonstrated to correlate with immunosuppressive TME and tumor progression. As a highly glycolytic tumor, it is crucial to decipher the underlying mechanism in pancreatic ductal adenocarcinoma (PDAC).</p><p><strong>Methods: </strong>Bioinformation analysis was used to identify lactate mediated carbonic anhydrase IX (CA9) upregulation. CCK-8, colony formation and mouse xenograft assay were utilized to study the effect of CA9 in PDAC. ECAR, OCR and pHi measurement confirmed the impacts of CA9 in Warburg phenotype. Using confocal microscopy, flow cytometry, qRT-PCR, co-IP, we validated the signaling pathways in PDAC to regulate reactive oxygen species (ROS) production.</p><p><strong>Results: </strong>We confirmed that CA9 is highly expressed in PDAC and positively regulated by lactate levels. CA9 can enhance the proliferative and migratory capabilities of PDAC cells. Pharmacologic inhibition or knockdown of CA9 significantly reduce pHi, increase the intracellular lactate and reverse the Warburg phenotype. The intracellular lactate accumulation caused by CA9 knockdown upregulates ROS and mitochondrial dysfunction. Furthermore, it was discovered that the competitive binding of CA9 with FUS inhibits the facilitation of FUS on NOX4 pre-mRNA splicing.</p><p><strong>Conclusion: </strong>Collectively, our data illustrate that CA9 has a direct regulatory role in pHi homeostasis and ROS production, providing a potential therapeutic target for PDAC treatment.</p>","PeriodicalId":49223,"journal":{"name":"Cellular Oncology","volume":" ","pages":"2367-2382"},"PeriodicalIF":4.9,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142802778","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Cellular OncologyPub Date : 2024-12-01Epub Date: 2024-12-05DOI: 10.1007/s13402-024-01021-w
Linghong Wan, Fanxuan Tian, Lei Wang, Yongying Hou, Wenkang Liu, Qin Liu, Dongfeng Chen, Xianfeng Li, Junyv Xiang, Zhong-Yi Qin, Tao Wang, Bijng Mao, Linyu Wu, Lu Hu
{"title":"Toxicity profiles of immunochemotherapy for gastric or gastroesophageal junction adenocarcinoma: a systematic review and meta-analysis.","authors":"Linghong Wan, Fanxuan Tian, Lei Wang, Yongying Hou, Wenkang Liu, Qin Liu, Dongfeng Chen, Xianfeng Li, Junyv Xiang, Zhong-Yi Qin, Tao Wang, Bijng Mao, Linyu Wu, Lu Hu","doi":"10.1007/s13402-024-01021-w","DOIUrl":"10.1007/s13402-024-01021-w","url":null,"abstract":"<p><strong>Purpose: </strong>Neoadjuvant immunochemotherapy is emerging as a promising regimen for patients with locally advanced gastric and gastroesophageal junction (G/GEJ) adenocarcinoma. However, it remains unclear whether immunochemotherapy will bring more adverse events (AEs) leading to a delay or even cancellation of surgeries. We aimed to provide a comprehensive analysis of the toxicity profiles for immune checkpoint inhibitors (ICIs) combined with chemotherapy among patients with G/GEJ adenocarcinoma.</p><p><strong>Methods: </strong>Published trials up to January 2024 were identified on Web of Science, Cochrane Library, Embase, and PubMed. Single-group and controlled clinical trials with ICIs in combination with chemotherapy in patients with G/GEJ adenocarcinoma were included. Two reviewers independently extracted data including incidence rate of AEs. The primary outcomes included the proportion of patients with adverse events leading to treatment discontinuation, grade 3 or higher adverse events, and serious adverse events. This study is registered with PROSPERO (CRD42023492676).</p><p><strong>Results: </strong>Twenty studies were included for a total of 6692 patients. In patients receiving immunochemotherapy, 17% (95% confidence interval (CI), 11-23%) had adverse events leading to treatment discontinuation, 23% (95% CI, 19-27%) had serious adverse events, and 64% (95% CI, 58-70%) had grade 3 or higher adverse events. Compared with patients receiving chemotherapy alone, patients with immunochemotherapy were associated with higher rates of adverse events leading to discontinuation (RR, 1.45; 95% CI, 1.32-1.60), serious adverse events (RR, 1.27; 95% CI, 1.04-1.57), and grade 3 or higher adverse events (RR, 1.15; 95% CI, 1.07-1.23).</p><p><strong>Conclusions: </strong>In conclusion, the incidence of adverse events leading to discontinuation, serious adverse events, and grade 3 or higher adverse events were higher in patients receiving immunochemotherapy compared to those with chemotherapy.</p>","PeriodicalId":49223,"journal":{"name":"Cellular Oncology","volume":" ","pages":"2335-2347"},"PeriodicalIF":4.9,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142787421","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Non-glycanated ΔDCN isoform in muscle invasive bladder cancer mediates cancer stemness and gemcitabine resistance.","authors":"Nisha Wu, Jinxiang Wang, Mingming Fan, Yanling Liang, Xiao Wei Qi, Fan Deng, Fangyin Zeng","doi":"10.1007/s13402-024-00998-8","DOIUrl":"10.1007/s13402-024-00998-8","url":null,"abstract":"<p><strong>Background: </strong>The small leucine-rich proteoglycan decorin (DCN) is recognized for its diverse roles in tissue homeostasis and malignant progression. Nevertheless, the regulatory effects of DCN on bladder cancer stem cells (BCSCs) and the underlying mechanisms in muscle-invasive bladder cancer (MIBC) remain to be elucidated.</p><p><strong>Methods: </strong>The study obtained data (including scRNA-seq, clinicopathological characteristics, and survival) were acquired from TCGA and GEO. The BCSCs were cultured by enriching the suspension culture in a serum-free medium, followed by flow cytometry sorting. Overexpression/knockdown was constructed by utilizing lentivirus. The surface biomarkers of cancer stem cells were identified via flow cytometry. Cell proliferation and self-renewal were evaluated by CCK8 and Sphere formation assays, and in vivo tumor growth was evaluated with subcutaneous xenografts.</p><p><strong>Results: </strong>Total DCN expression was significantly elevated in muscle-invasive bladder cancer (MIBC) and was associated with poor prognosis. The ΔDCN isoform, which lacks glycosylation sites, was identified in bladder cancer stem cells (BCSCs) derived from clinical tissue samples and bladder cancer cell lines. Suppression of ΔDCN expression resulted in a reduction of BCSC stemness. Both in vitro and in vivo experiments indicated that overexpression of full-length DCN inhibited stemness within the extracellular matrix. Conversely, overexpression of ΔDCN and the introduction of exogenous recombinant decorin protein in ΔDCN-knockdown BCSC-SW780 cell lines enhanced stemness within the cytoplasm. The ΔDCN isoform exhibited resistance to gemcitabine chemotherapy in vitro.</p><p><strong>Conclusion: </strong>Non-glycanated ΔDCN isoforms were identified in bladder cancer stem cells (BCSCs), where they exhibited differential cytoplasmic localization and promoted oncogenic effects by inducing a stemness phenotype and conferring resistance to gemcitabine chemotherapy. These oncogenic effects are in stark contrast to the anti-tumor functions of glycosylated DCN in the extracellular matrix. The ratio of ΔDCN isoforms to glycosylated DCN is pivotal in predicting tumor progression and therapeutic resistance.</p>","PeriodicalId":49223,"journal":{"name":"Cellular Oncology","volume":" ","pages":"2163-2181"},"PeriodicalIF":4.9,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142523456","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Cellular OncologyPub Date : 2024-12-01Epub Date: 2024-12-24DOI: 10.1007/s13402-024-01019-4
Yao Long, Wei Wang, Shouping Liu, Xiang Wang, Yongguang Tao
{"title":"The survival prediction analysis and preliminary study of the biological function of YEATS2 in hepatocellular carcinoma.","authors":"Yao Long, Wei Wang, Shouping Liu, Xiang Wang, Yongguang Tao","doi":"10.1007/s13402-024-01019-4","DOIUrl":"10.1007/s13402-024-01019-4","url":null,"abstract":"<p><strong>Purpose: </strong>Our study aims to develop and validate a novel molecular marker for the prognosis and diagnosis of hepatocellular carcinoma (HCC) MATERIALS & METHODS: We retrospectively analyzed mRNA expression profile and clinicopathological data of HCC patients fetched from The Cancer Genome Atlas (TCGA), Gene Expression Omnibus (GEO) and The International Cancer Genome Consortium (ICGC) datasets. Univariate Cox regression analysis was performed to collect differentially expressed mRNA (DEmRNAs) from HCC and non-tumor tissues, and YEATS2, a prognostic marker, was identified by further analysis. ROC curve, survival analysis and multivariate Cox regression analysis as well as nomograms were used to evaluate the prognosis of this gene. Finally, the biological function of this gene was preliminarily discussed by using single gene Gene Set Enrichment Analysis (GSEA), and the YEATS2 overexpression and knockdown hepatoma cell line was used to verify the results in vitro and in vivo.</p><p><strong>Results: </strong>Based on the clinical information of HCC in TCGA, GEO and ICGC databases, the gene YEATS2 with significant differences from HCC was identified. There was a statistical difference in the survival prognosis between the two databases and the ROC curve showed that the survival of HCC in both TCGA, GSE14520 and ICGC groups had a satisfactory predictive effect. Univariate and multivariate Cox regression analysis showed that YEATS2 was an independent prognostic factor for HCC, and Nomograms, which combined this prognostic feature with significant clinical features, provided an important reference for the clinical prognostic diagnosis of HCC. Next, we constructed overexpression and knockdown YEATS2 cell line in Hep3B and LM3 cells, and further proved that overexpression YEATS2 promote the proliferation and migration of HCC cells by CCK8, colony formation experiment, and transwell assays, and knockdown YEATS2 inhibited the proliferation and migration of HCC cells by CCK8, colony formation experiment, and transwell assays. Finally, the biological function of YEATS2 was preliminarily explored through GSEA analysis of a single gene, and it was found that it was significantly correlated with cell cycle and DNA repair, which provided us with ideas for further analysis. Furthermore, the knockdown of YEATS2 promoted radiation-induced DNA damage, enhanced radiosensitivity, and ultimately inhibited the proliferation of hepatocellular carcinoma cells in vitro and in vivo.</p><p><strong>Conclusions: </strong>Our study identified a promising prognostic marker for hepatocellular carcinoma that is useful for clinical decision-making and individualized treatment.</p>","PeriodicalId":49223,"journal":{"name":"Cellular Oncology","volume":" ","pages":"2297-2316"},"PeriodicalIF":4.9,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142883512","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"SPG21, a potential oncogene targeted by miR-128-3p, amplifies HBx-induced carcinogenesis and chemoresistance via activation of TRPM7-mediated JNK pathway in hepatocellular carcinoma.","authors":"Ping Zhou, Wei Yao, Lijuan Liu, Qiujin Yan, Xiaobei Chen, Xiaocui Wei, Shuang Ding, Zhao Lv, Fan Zhu","doi":"10.1007/s13402-024-00955-5","DOIUrl":"10.1007/s13402-024-00955-5","url":null,"abstract":"<p><strong>Purpose: </strong>Chronic hepatitis B virus (HBV) infection is the primary risk factor for the malignant progression of hepatocellular carcinoma (HCC). It has been reported that HBV X protein (HBx) possesses oncogenic properties, promoting hepatocarcinogenesis and chemoresistance. However, the detailed molecular mechanisms are not fully understood. Here, we aim to investigate the effects of miR-128-3p/SPG21 axis on HBx-induced hepatocarcinogenesis and chemoresistance.</p><p><strong>Methods: </strong>The expression of SPG21 in HCC was determined using bioinformatics analysis, quantitative real-time PCR (qRT-PCR), western blotting, and immunohistochemistry (IHC). The roles of SPG21 in HCC were elucidated through a series of in vitro and in vivo experiments, including real-time cellular analysis (RTCA), matrigel invasion assay, and xenograft mouse model. Pharmacologic treatment and flow cytometry were performed to demonstrate the potential mechanism of SPG21 in HCC.</p><p><strong>Results: </strong>SPG21 expression was elevated in HCC tissues compared to adjacent non-tumor tissues (NTs). Moreover, higher SPG21 expression correlated with poor overall survival. Functional assays revealed that SPG21 fostered HCC tumorigenesis and invasion. MiR-128-3p, which targeted SPG21, was downregulated in HCC tissues. Subsequent analyses showed that HBx amplified TRPM7-mediated calcium influx via miR-128-3p/SPG21, thereby activating the c-Jun N-terminal kinase (JNK) pathway. Furthermore, HBx inhibited doxorubicin-induced apoptosis by engaging the JNK pathway through miR-128-3p/SPG21.</p><p><strong>Conclusion: </strong>The study suggested that SPG21, targeted by miR-128-3p, might be involved in enhancing HBx-induced carcinogenesis and doxorubicin resistance in HCC via the TRPM7/Ca<sup>2+</sup>/JNK signaling pathway. This insight suggested that SPG21 could be recognized as a potential oncogene, offering a novel perspective on its role as a prognostic factor and a therapeutic target in the context of HCC.</p>","PeriodicalId":49223,"journal":{"name":"Cellular Oncology","volume":" ","pages":"1757-1778"},"PeriodicalIF":4.9,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140944885","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}