Oncology reports最新文献

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Digitoxin inhibits ICC cell properties via the NF‑κB/ST6GAL1 signaling pathway. 地高辛通过 NF-κB/ST6GAL1 信号通路抑制 ICC 细胞特性。
IF 3.8 3区 医学
Oncology reports Pub Date : 2024-08-01 Epub Date: 2024-06-28 DOI: 10.3892/or.2024.8762
Yueping Zhan, Rong Wang, Chenjun Huang, Xuewen Xu, Xiao Xiao, Linlin Wu, Jiao Wei, Tian Long, Chunfang Gao
{"title":"Digitoxin inhibits ICC cell properties via the NF‑κB/ST6GAL1 signaling pathway.","authors":"Yueping Zhan, Rong Wang, Chenjun Huang, Xuewen Xu, Xiao Xiao, Linlin Wu, Jiao Wei, Tian Long, Chunfang Gao","doi":"10.3892/or.2024.8762","DOIUrl":"10.3892/or.2024.8762","url":null,"abstract":"<p><p>Intrahepatic cholangiocarcinoma (ICC) is a type of liver cancer associated with poor prognosis and increased mortality; the limited treatment strategy highlights the urgent need for investigation. Traditional Chinese Medicine (TCM), used alone or in combination with other treatments, can enhance therapeutic efficacy, improve life quality of patients and extend overall survival. In total, two rounds of screening of a TCM library of 2,538 active compounds were conducted using a Cell Counting Kit‑8 assay and ICC cell lines. Cell proliferation and migration abilities were assessed through colony formation, 5‑ethynyl‑2'‑deoxyuridine, would healing and Transwell assays. The impact of digitoxin (DT) on signaling pathways was initially investigated using RNA sequencing and further validated using reverse transcription‑quantitative PCR, western blotting, lectin blotting and flow cytometry. ICC cells stably overexpressing ST6 β‑galactoside α‑2,6‑sialyltransferase 1 (ST6GAL1) were generated through lentiviral transfection. It was shown that DT emerged as a highly effective anti‑ICC candidate from two rounds high‑throughput library screening. DT could inhibit the proliferation and migration of ICC cells by suppressing NF‑κB activation and reducing nuclear phosphorylated‑NF‑κB levels, along with diminishing ST6GAL1 mRNA and protein expression. The aforementioned biological effects and signal pathways of DT could be counteracted by overexpressing ST6GAL1 in ICC cells. In conclusion, DT suppressed ICC cell proliferation and migration by targeting the NF‑κB/ST6GAL1 signaling axis. The findings of the present study indicated the promising therapeutic effects of DT in managing ICC, offering new avenues for treatment strategies.</p>","PeriodicalId":19527,"journal":{"name":"Oncology reports","volume":"52 2","pages":""},"PeriodicalIF":3.8,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11229393/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141469828","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Energy‑stress‑mediated activation of AMPK sensitizes MPS1 kinase inhibition in triple‑negative breast cancer. 能量应激介导的 AMPK 激活可敏化三阴性乳腺癌中的 MPS1 激酶抑制。
IF 3.8 3区 医学
Oncology reports Pub Date : 2024-08-01 Epub Date: 2024-06-21 DOI: 10.3892/or.2024.8760
Jong Seung Lim, Eunkyoung Kim, Jin-Sook Song, Sunjoo Ahn
{"title":"Energy‑stress‑mediated activation of AMPK sensitizes MPS1 kinase inhibition in triple‑negative breast cancer.","authors":"Jong Seung Lim, Eunkyoung Kim, Jin-Sook Song, Sunjoo Ahn","doi":"10.3892/or.2024.8760","DOIUrl":"10.3892/or.2024.8760","url":null,"abstract":"<p><p>Monopolar spindle 1 kinase (Mps1, also known as TTK protein kinase) inhibitors exert marked anticancer effects against triple‑negative breast cancer (TNBC) by causing genomic instability and cell death. As aneuploid cells are vulnerable to compounds that induce energy stress through adenosine monophosphate‑activated protein kinase (AMPK) activation, the synergistic effect of Mps1/TTK inhibition and AMPK activation was investigated in the present study. The combined effects of CFI‑402257, an Mps1/TTK inhibitor, and AICAR, an AMPK agonist, were evaluated in terms of cytotoxicity, cell‑cycle distribution, and <i>in vivo</i> xenograft models. Additional molecular mechanistic studies were conducted to elucidate the mechanisms underlying apoptosis and autophagic cell death. The combination of CFI‑402257 and AICAR showed selective cytotoxicity in a TNBC cell line. The formation of polyploid cells was attenuated, and apoptosis was increased by the combination treatment, which also induced autophagy through dual inhibition of the PI3K/Akt/mTOR and mitogen‑activated protein kinase (MAPK) signaling pathways. Additionally, the combination therapy showed strongly improved efficacy in comparison with CFI‑402257 and AICAR monotherapy in the MDA‑MB‑231 xenograft model. The present study suggested that the combination of CFI‑402257 and AICAR is a promising therapeutic strategy for TNBC.</p>","PeriodicalId":19527,"journal":{"name":"Oncology reports","volume":"52 2","pages":""},"PeriodicalIF":3.8,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11223027/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141432432","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Inhibition of FSP1: A new strategy for the treatment of tumors (Review). 抑制 FSP1:治疗肿瘤的新策略(综述)。
IF 3.8 3区 医学
Oncology reports Pub Date : 2024-08-01 Epub Date: 2024-06-28 DOI: 10.3892/or.2024.8764
Qiangfang Dai, Xiaoli Wei, Jumei Zhao, Die Zhang, Yidan Luo, Yue Yang, Yang Xiang, Xiaolong Liu
{"title":"Inhibition of FSP1: A new strategy for the treatment of tumors (Review).","authors":"Qiangfang Dai, Xiaoli Wei, Jumei Zhao, Die Zhang, Yidan Luo, Yue Yang, Yang Xiang, Xiaolong Liu","doi":"10.3892/or.2024.8764","DOIUrl":"10.3892/or.2024.8764","url":null,"abstract":"<p><p>Ferroptosis, a regulated form of cell death, is intricately linked to iron‑dependent lipid peroxidation. Recent evidence strongly supports the induction of ferroptosis as a promising strategy for treating cancers resistant to conventional therapies. A key player in ferroptosis regulation is ferroptosis suppressor protein 1 (FSP1), which promotes cancer cell resistance by promoting the production of the antioxidant form of coenzyme Q10. Of note, FSP1 confers resistance to ferroptosis independently of the glutathione (GSH) and glutathione peroxidase‑4 pathway. Therefore, targeting FSP1 to weaken its inhibition of ferroptosis may be a viable strategy for treating refractory cancer. This review aims to clarify the molecular mechanisms underlying ferroptosis, the specific pathway by which FSP1 suppresses ferroptosis and the effect of FSP1 inhibitors on cancer cells.</p>","PeriodicalId":19527,"journal":{"name":"Oncology reports","volume":"52 2","pages":""},"PeriodicalIF":3.8,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11228423/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141469829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Interplay between Wnt signaling molecules and exosomal miRNAs in breast cancer (Review). 乳腺癌中 Wnt 信号分子与外泌体 miRNA 之间的相互作用(综述)。
IF 3.8 3区 医学
Oncology reports Pub Date : 2024-08-01 Epub Date: 2024-06-28 DOI: 10.3892/or.2024.8766
Hailong Li, Xia Li, Wei Du
{"title":"Interplay between Wnt signaling molecules and exosomal miRNAs in breast cancer (Review).","authors":"Hailong Li, Xia Li, Wei Du","doi":"10.3892/or.2024.8766","DOIUrl":"10.3892/or.2024.8766","url":null,"abstract":"<p><p>Breast cancer (BC) is the most common malignancy in women worldwide. Wnt signaling is involved in tumorigenesis and cancer progression, and is closely associated with the characteristics of BC. Variation in the expression of exosomal microRNAs (miRNAs) modulates key cancer phenotypes, such as cellular proliferation, epithelial‑mesenchymal transition, metastatic potential, immune evasion and treatment resistance. The present review aimed to discuss the importance of Wnt signaling and exosomal miRNAs in regulating the occurrence and development of BC. In addition, the present review determined the crosstalk between Wnt signaling and exosomal miRNAs, and highlighted potential diagnostic biomarkers and therapeutic targets.</p>","PeriodicalId":19527,"journal":{"name":"Oncology reports","volume":"52 2","pages":""},"PeriodicalIF":3.8,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11234250/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141469830","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
SNAI2 enhances HPV‑negative cervical cancer cell dormancy by modulating u‑PAR expression and the activity of the ERK/p38 signaling pathway in vitro. SNAI2在体外通过调节u-PAR的表达和ERK/p38信号通路的活性来增强HPV阴性宫颈癌细胞的休眠。
IF 3.8 3区 医学
Oncology reports Pub Date : 2024-08-01 Epub Date: 2024-06-28 DOI: 10.3892/or.2024.8763
Yuanhong Zhou, Yan Xie, Youzheng Luo, Shuling Wang, Qing Han, Qiang Liu
{"title":"SNAI2 enhances HPV‑negative cervical cancer cell dormancy by modulating u‑PAR expression and the activity of the ERK/p38 signaling pathway <i>in vitro</i>.","authors":"Yuanhong Zhou, Yan Xie, Youzheng Luo, Shuling Wang, Qing Han, Qiang Liu","doi":"10.3892/or.2024.8763","DOIUrl":"10.3892/or.2024.8763","url":null,"abstract":"<p><p>The prognosis of patients with human papillomavirus (HPV)‑negative cervical cancer is significantly worse than that of patients with HPV‑positive cervical cancer. Understanding the mechanisms of this is crucial for preventing disease evolution. In the present study, the GV367‑snail family transcriptional repressor 2 (SNAI2) lentiviral vector was constructed and transduced into C‑33A cells. Subsequently, the proliferation of tumor cells was detected using the Cell Counting Kit (CCK)‑8 method. Flow cytometry was used to analyze the cell cycle progression of tumor cells. The glucose consumption of tumor cells was detected using an oxidase assay, and the senescence of tumor cells was detected using beta‑galactosidase staining. The gene expression and the activity of p38 and ERK1/2 were detected using reverse transcription‑quantitative PCR and western blotting, respectively. The C‑33A‑SNAI2 cell line was successfully established. Compared with HeLa and C‑33A‑Wild cells, the proliferation and percentage of G0/G1‑phase cells in the C‑33A‑SNAI2 group were decreased, as detected by the CCK‑8 assay (100±0 vs. 239.1±58.3 vs. 39.7±20.1, P<0.01) and flow cytometry (34.0±7.1% vs. 46.2±10.6% vs. 61.3±5.3%, P<0.05). Compared with the HeLa group, the glucose consumption of the C‑33A‑Wild and C‑33A‑SNAI2 groups was significantly decreased (P<0.01). The results of beta‑galactosidase staining showed that the proportion of beta‑galactosidase‑positive cells in the C‑33A‑SNAI2 group was significantly decreased compared with the C‑33A‑Wild group (P<0.01). Upregulation of SNAI2 enhanced the increase in p21 expression, and the decrease in CDK1, urokinase plasminogen activator receptor (u‑PAR) and cyclin D1 expression in C‑33A cells compared with C‑33A‑Wild cells (P<0.05). In addition, the activities of p38, ERK1/2 and the phosphorylated (p)‑ERK1/2/p‑p38 ratio were decreased in the C‑33A‑SNAI2 group compared with the C‑33A‑Wild and HeLa groups (P<0.05). In conclusion, SNAI2 enhanced HPV‑negative cervical cancer C‑33A cell dormancy, which was characterized by G0/G1 arrest, by the downregulation of u‑PAR expression, and a decrease in the activity of the p‑ERK1/2 and p‑p38MAPK signaling pathways <i>in vitro</i>. Cancer recurrence and metastases are responsible for most cancer‑related deaths. Given that SNAI2 is required for enhancing HPV‑negative cervical cancer cell dormancy, regulating this process may promote cervical tumor cells to enter a continuous dormant state, which could be a potential approach for tumor therapy.</p>","PeriodicalId":19527,"journal":{"name":"Oncology reports","volume":"52 2","pages":""},"PeriodicalIF":3.8,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11228422/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141469832","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Retracted] Yap regulates gastric cancer survival and migration via SIRT1/Mfn2/mitophagy. [撤稿】Yap 通过 SIRT1/Mfn2/mitophagy 调节胃癌的生存和迁移。
IF 3.8 3区 医学
Oncology reports Pub Date : 2024-08-01 Epub Date: 2024-07-04 DOI: 10.3892/or.2024.8767
Hongzhu Yan, Chengmin Qiu, Weiwei Sun, Minmin Gu, Feng Xiao, Jue Zou, Li Zhang
{"title":"[Retracted] Yap regulates gastric cancer survival and migration via SIRT1/Mfn2/mitophagy.","authors":"Hongzhu Yan, Chengmin Qiu, Weiwei Sun, Minmin Gu, Feng Xiao, Jue Zou, Li Zhang","doi":"10.3892/or.2024.8767","DOIUrl":"10.3892/or.2024.8767","url":null,"abstract":"<p><p>Following the publication of the above article, a concerned reader drew to the Editor's attention that certain of the immunofluorescence data featured in Fig. 1H, TUNEL assay data in Fig. 2A, cytochome <i>c</i> leakage assay data in Fig. 2H, staining of cardiolipin images in Fig. 2H, lamellipodia‑stained data in Fig. 3A, and immunofluorescence assay data in Figs. 3F and 5D were strikingly similar to data appearing in different form in other articles written by different authors at different research institutes that had either already been published elsewhere prior to the submission of this paper to <i>Oncology Reports</i>, or were under consideration for publication at around the same time (several of which have now been retracted). In addition, overlapping sections of data were noted within the data panels in Fig. 3D and F, such that data which were intended to represent the results from differently performed experiments had apparently been derived from the same original source(s). In view of the fact that certain of these data had already apparently been published prior to the submission of this article for publication, and in view of an overall lack of confidence in the presented data, the Editor of <i>Oncology Reports</i> has decided that this paper should be retracted from the Journal. The authors were asked for an explanation to account for these concerns, but the Editorial Office did not receive a reply. The Editor apologizes to the readership for any inconvenience caused. [Oncology Reports 39: 1671‑1681, 2018; DOI: 10.3892/or.2018.6252].</p>","PeriodicalId":19527,"journal":{"name":"Oncology reports","volume":"52 2","pages":""},"PeriodicalIF":3.8,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11234245/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141498567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Additive antitumor effect of arsenic trioxide with exposure to ionizing radiation to human acute promyelocytic leukemia HL‑60 cells. 三氧化二砷与电离辐射对人类急性早幼粒细胞白血病 HL-60 细胞的叠加抗肿瘤效应。
IF 3.8 3区 医学
Oncology reports Pub Date : 2024-08-01 Epub Date: 2024-07-04 DOI: 10.3892/or.2024.8768
Yuki Morino, Hikoto Sugiyama, Kazuma Yamane, Megumi Kikuchi, Takamasa Yamanaka, Kazuma Honda, Satoru Monzen
{"title":"Additive antitumor effect of arsenic trioxide with exposure to ionizing radiation to human acute promyelocytic leukemia HL‑60 cells.","authors":"Yuki Morino, Hikoto Sugiyama, Kazuma Yamane, Megumi Kikuchi, Takamasa Yamanaka, Kazuma Honda, Satoru Monzen","doi":"10.3892/or.2024.8768","DOIUrl":"10.3892/or.2024.8768","url":null,"abstract":"<p><p>Arsenic trioxide (ATO) is expected to be a chemical drug with antitumor activity against acute promyelocytic leukemia (APL), a type of acute myeloid leukemia. In Japan, its antitumor effects were confirmed in clinical trials for APL, and it has been approved in various countries around the world. However, there have been no reports on ATO's antitumor effects on radioresistant leukemia cells, which can be developed during radiotherapy and in combination with therapeutic radiation beams. The present study sought to clarify the antitumor effect of ATO on APL cells with radiation resistance and determine its efficacy when combined with ionizing radiation (IR). The radiation‑resistant HL60 (Res‑HL60) cell line was generated by subjecting the native cells to 4‑Gy irradiation every week for 4 weeks. The half‑maximal inhibitory concentration (IC<sub>50</sub>) for cell proliferation by ATO on native cell was 0.87 µM (R<sup>2</sup>=0.67), while the IC<sub>50</sub> for cell proliferation by ATO on Res‑HL60 was 2.24 µM (R<sup>2</sup>=0.91). IR exposure increased the sub‑G1 and G2/M phase ratios in both cell lines. The addition of ATO resulted in a higher population of G2/M after 24 h rather than 48 h. When the rate of change in the sub‑G1 phase was examined in greater detail, the sub‑G1 phase in both control cells without ATO significantly increased by exposure to IR at 24 h, but only under the condition of 2 Gy irradiation, it had continued to increase at 48 h. Res‑HL60 supplemented with ATO showed a higher rate of sub‑G1 change at 24 h; however, 2 Gy irradiation resulted in a decrease compared with the control. There was a significant increase in the ratio of the G2/M phase in cells after incubation with ATO for 24 h, and exposure to 2 Gy irradiation caused an even greater increase. To determine whether the inhibition of cell proliferation and cell cycle disruptions is related to reactive oxygen species (ROS) activity, intracellular ROS levels were measured with a flow cytometric assay. Although the ROS levels of Res‑HL60 were higher than those of native cells in the absence of irradiation, they did not change after 0.5 or 2 Gy irradiation. Furthermore, adding ATO to Res‑HL60 reduced intracellular ROS levels. These findings provide important information that radioresistant leukemia cells respond differently to the antitumor effect of ATO and the combined effect of IR.</p>","PeriodicalId":19527,"journal":{"name":"Oncology reports","volume":"52 2","pages":""},"PeriodicalIF":3.8,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11240863/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141498568","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Roles of long non‑coding RNA SNHG16 in human digestive system cancer (Review). 长非编码 RNA SNHG16 在人类消化系统癌症中的作用(综述)。
IF 3.8 3区 医学
Oncology reports Pub Date : 2024-08-01 Epub Date: 2024-06-28 DOI: 10.3892/or.2024.8765
Lujie Zhao, Yuling Kan, Lu Wang, Jiquan Pan, Yun Li, Haiyan Zhu, Zhongfa Yang, Lin Xiao, Xinhua Fu, Fujun Peng, Haipeng Ren
{"title":"Roles of long non‑coding RNA SNHG16 in human digestive system cancer (Review).","authors":"Lujie Zhao, Yuling Kan, Lu Wang, Jiquan Pan, Yun Li, Haiyan Zhu, Zhongfa Yang, Lin Xiao, Xinhua Fu, Fujun Peng, Haipeng Ren","doi":"10.3892/or.2024.8765","DOIUrl":"10.3892/or.2024.8765","url":null,"abstract":"<p><p>The incidence of tumors in the human digestive system is relatively high, including esophageal cancer, liver cancer, pancreatic cancer, gastric cancer and colorectal cancer. These malignancies arise from a complex interplay of environmental and genetic factors. Among them, long non‑coding RNAs (lncRNAs), which cannot be translated into proteins, serve an important role in the development, progression, migration and prognosis of tumors. Small nucleolar RNA host gene 16 (SNHG16) is a typical lncRNA, and its relationship with digestive system tumors has been widely explored. The prevailing hypothesis suggests that the principal molecular mechanism of SNHG16 in digestive system tumors involves it functioning as a competitive endogenous RNA that interacts with other proteins, regulates various genes and influences a downstream target molecule. The present review summarizes recent research on the relationship between SNHG16 and numerous types of digestive system cancer, encompassing its biological functions, underlying mechanisms and potential clinical implications. Furthermore, it outlines the association between SNHG16 expression and pertinent risk factors, such as smoking, infection and diet. The present review indicated the promise of SNHG16 as a potential biomarker and therapeutic target in human digestive system cancer.</p>","PeriodicalId":19527,"journal":{"name":"Oncology reports","volume":"52 2","pages":""},"PeriodicalIF":3.8,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11234248/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141469831","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Inhibition of FBP1 expression by KMT5A through TWIST1 methylation is one of the mechanisms leading to chemoresistance in breast cancer. KMT5A 通过 TWIST1 甲基化抑制 FBP1 的表达是导致乳腺癌化疗耐药性的机制之一。
IF 3.8 3区 医学
Oncology reports Pub Date : 2024-08-01 Epub Date: 2024-07-04 DOI: 10.3892/or.2024.8769
Xue Peng, Lisi Ma, Xuan Chen, Fen Tang, Xiangyun Zong
{"title":"Inhibition of FBP1 expression by KMT5A through TWIST1 methylation is one of the mechanisms leading to chemoresistance in breast cancer.","authors":"Xue Peng, Lisi Ma, Xuan Chen, Fen Tang, Xiangyun Zong","doi":"10.3892/or.2024.8769","DOIUrl":"10.3892/or.2024.8769","url":null,"abstract":"<p><p>Lysine methyltransferase 5A (KMT5A) is the sole mammalian enzyme known to catalyse the mono‑methylation of histone H4 lysine 20 and non‑histone proteins such as p53, which are involved in the occurrence and progression of numerous cancers. The present study aimed to determine the function of KMT5A in inducing docetaxel (DTX) resistance in patients with breast carcinoma by evaluating glucose metabolism and the underlying mechanism involved. The upregulation or downregulation of KMT5A‑related proteins was examined after KMT5A knockdown in breast cancer (BRCA) cells by Tandem Mass Tag proteomics. Through differential protein expression and pathway enrichment analysis, the upregulated key gluconeogenic enzyme fructose‑1,6‑bisphosphatase 1 (FBP1) was discovered. Loss of FBP1 expression is closely related to the development and prognosis of cancers. A dual‑luciferase reporter gene assay confirmed that KMT5A inhibited the expression of FBP1 and that overexpression of FBP1 could enhance the chemotherapeutic sensitivity to DTX through the suppression of KMT5A expression. The KMT5A inhibitor UNC0379 was used to verify that DTX resistance induced by KMT5A through the inhibition of FBP1 depended on the methylase activity of KMT5A. According to previous literature and interaction network structure, it was revealed that KMT5A acts on the transcription factor twist family BHLH transcription factor 1 (TWIST1). Then, it was verified that TWSIT1 promoted the expression of FBP1 by using a dual‑luciferase reporter gene experiment. KMT5A induces chemotherapy resistance in BRCA cells by promoting cell proliferation and glycolysis. After the knockdown of the KMT5A gene, the FBP1 related to glucose metabolism in BRCA was upregulated. KMT5A knockdown expression and FBP1 overexpression synergistically inhibit cell proliferation and block cells in the G2/M phase. KMT5A inhibits the expression of FBP1 by methylating TWIST1 and weakening its promotion of FBP1 transcription. In conclusion, KMT5A was shown to affect chemotherapy resistance by regulating the cell cycle and positively regulate glycolysis‑mediated chemotherapy resistance by inhibiting the transcription of FBP1 in collaboration with TWIST1. KMT5A may be a potential therapeutic target for chemotherapy resistance in BRCA.</p>","PeriodicalId":19527,"journal":{"name":"Oncology reports","volume":"52 2","pages":""},"PeriodicalIF":3.8,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11258601/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141498569","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Retracted] Schisandrin B inhibits epithelial‑mesenchymal transition and stemness of large‑cell lung cancer cells and tumorigenesis in xenografts via inhibiting the NF‑κB and p38 MAPK signaling pathways. [五味子素 B 通过抑制 NF-κB 和 p38 MAPK 信号通路,抑制大细胞肺癌细胞的上皮-间充质转化和干性,并抑制异种移植物的肿瘤发生。
IF 3.8 3区 医学
Oncology reports Pub Date : 2024-08-01 Epub Date: 2024-06-28 DOI: 10.3892/or.2024.8761
Shuping Li, Hong Wang, Ruidong Ma, Li Wang
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