Chinese journal of cancer research = Chung-kuo yen cheng yen chiu最新文献

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Th1 cells inducing IFNγ response improves immunotherapy efficacy in gastric cancer. Th1细胞诱导IFNγ应答提高胃癌免疫治疗疗效。
Chinese journal of cancer research = Chung-kuo yen cheng yen chiu Pub Date : 2023-06-30 DOI: 10.21147/j.issn.1000-9604.2023.03.08
Qi Cao, Ruidong Xue, Ning Zhang
{"title":"Th1 cells inducing IFNγ response improves immunotherapy efficacy in gastric cancer.","authors":"Qi Cao,&nbsp;Ruidong Xue,&nbsp;Ning Zhang","doi":"10.21147/j.issn.1000-9604.2023.03.08","DOIUrl":"https://doi.org/10.21147/j.issn.1000-9604.2023.03.08","url":null,"abstract":"<p><strong>Objective: </strong>Cancer immunotherapy has made remarkable advances in recent years, but its effectiveness in treating gastric cancer is often limited by the complexity of the tumor microenvironment and the lack of effective biomarkers. This study aimed to identify effective biomarkers for immunotherapy treatment by characterizing the tumor microenvironment.</p><p><strong>Methods: </strong>We retrieved the RNA-seq data from gastric cancer patients treated with the programmed death 1 (PD-1) blockade pembrolizumab. Differentially expressed genes associated with clinical outcomes were identified and further analyzed using gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis. Gene signature scores were calculated by single sample Gene Set Enrichment Analysis (ssGSEA). The infiltration levels of immune cells were quantified using the xCell website. Cell type enrichment analysis was performed to compare treatment response and non-response groups, and regression analysis was used to investigate the relationship between interferon gamma (IFNγ) immune response and immune cell infiltration. Biomarkers were identified using least absolute shrinkage and selection operator (LASSO) analysis.</p><p><strong>Results: </strong>Compared to normal tissues, cytokine activity and interleukin-6 production were highly activated in gastric tumors. Responders to pembrolizumab showed significantly up-regulated expression of IFNγ response-related genes. Cell type enrichment analysis revealed that Th1 cells were significantly enriched in the tumor microenvironment of responders. Regression analysis indicated that Th1 cells induced IFNγ response more efficiently than other cell types. Using signatures of Th1 cells, stromal cells and IFNγ response, a set of eight genes were identified that effectively predicted the efficacy of immunotherapy treatment and patient prognosis.</p><p><strong>Conclusions: </strong>Th1 cells promote therapeutic efficacy of PD-1 blockade by promoting IFNγ immune response in gastric cancer. The identified biomarkers have the potential to improve the effectiveness of immunotherapy treatment for gastric cancer patients.</p>","PeriodicalId":9830,"journal":{"name":"Chinese journal of cancer research = Chung-kuo yen cheng yen chiu","volume":"35 3","pages":"299-315"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10334491/pdf/cjcr-35-3-299.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9814049","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Immune evasion and therapeutic opportunities based on natural killer cells. 基于自然杀伤细胞的免疫逃避和治疗机会。
Chinese journal of cancer research = Chung-kuo yen cheng yen chiu Pub Date : 2023-06-30 DOI: 10.21147/j.issn.1000-9604.2023.03.07
Jinjin Zhang, Feifei Guo, Lingyu Li, Songling Zhang, Yufeng Wang
{"title":"Immune evasion and therapeutic opportunities based on natural killer cells.","authors":"Jinjin Zhang,&nbsp;Feifei Guo,&nbsp;Lingyu Li,&nbsp;Songling Zhang,&nbsp;Yufeng Wang","doi":"10.21147/j.issn.1000-9604.2023.03.07","DOIUrl":"https://doi.org/10.21147/j.issn.1000-9604.2023.03.07","url":null,"abstract":"<p><p>Natural killer (NK) cells can elicit an immune response against malignantly transformed cells without recognizing antigens, and they also exhibit cytotoxic effects and immune surveillance functions in tumor immunotherapy. Although several studies have shown the promising antitumor effects of NK cells in immunotherapy, their function is often limited in the tumor microenvironment because tumor cells can easily escape NK cell-induced death. Thus, for efficient tumor immunotherapy, the mechanism by which tumor cells escape NK cell-induced cytotoxicity must be fully understood. Various novel molecules and checkpoint receptors that mediate the disruption of NK cells in the tumor microenvironment have been discovered. In this review, we analyze and detail the major activating and inhibitory receptors on the surface of NK cells to delineate the mechanism by which tumor cells suppress NKG2D ligand expression and increase tumor receptor and inhibitory receptor expression [NKG2A, programmed cell death 1 (PD-1), and T-cell immunoglobulin and immunoreceptor tyrosine inhibitory motif (TIGIT)] on the NK cell surface, and thus inhibit NK cell activity. We also reviewed the current status of treatments based on these surface molecules. By comparing the therapeutic effects related to the treatment status and bypass mechanisms, we attempt to identify optimal single or combined treatments to suggest new treatment strategies for tumor immunotherapy.</p>","PeriodicalId":9830,"journal":{"name":"Chinese journal of cancer research = Chung-kuo yen cheng yen chiu","volume":"35 3","pages":"283-298"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10334492/pdf/cjcr-35-3-283.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9814050","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of microbiome group on immune checkpoint inhibitors in treatment of gastrointestinal tumors. 微生物组对免疫检查点抑制剂治疗胃肠道肿瘤的影响。
Chinese journal of cancer research = Chung-kuo yen cheng yen chiu Pub Date : 2023-06-30 DOI: 10.21147/j.issn.1000-9604.2023.03.05
Beibei Pei, Xiaoyan Ma, Na Wu, Chen Wang, Wenhui Yang
{"title":"Effect of microbiome group on immune checkpoint inhibitors in treatment of gastrointestinal tumors.","authors":"Beibei Pei,&nbsp;Xiaoyan Ma,&nbsp;Na Wu,&nbsp;Chen Wang,&nbsp;Wenhui Yang","doi":"10.21147/j.issn.1000-9604.2023.03.05","DOIUrl":"https://doi.org/10.21147/j.issn.1000-9604.2023.03.05","url":null,"abstract":"<p><p>In recent years, immune checkpoint blockade (ICB) therapy has become an important treatment strategy for gastrointestinal tumors, however, it only benefits about 1/3 of patients. Since the microbiome has been shown to play an important role in the human body for a long time, a growing number of studies are focusing on its relationship to ICB therapy in cancer, specifically how intestinal microbes affect the efficacy of immune checkpoint inhibitors (ICIs) therapy in patients. On this basis, probiotic interventions, fecal microbiota transplantation (FMT), dietary interventions, and other methods which improve or maintain the structure of the intestinal flora have attracted widespread attention. This article discusses the four aspects of the microbiome, ICB, combined treatment of gastrointestinal tumors, and regulation of gut microbiome. Particularly, the discussion focuses on the contribution of probiotic intervention in improving the therapeutic effect of ICIs to prolong the survival time of patients and reduce the severity of immune-related adverse effects (irAEs).</p>","PeriodicalId":9830,"journal":{"name":"Chinese journal of cancer research = Chung-kuo yen cheng yen chiu","volume":"35 3","pages":"252-265"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10334499/pdf/cjcr-35-3-252.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9814044","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Challenges and interventions of chimeric antigen receptor-T cell therapy in solid tumors. 嵌合抗原受体- t细胞治疗实体瘤的挑战和干预措施。
Chinese journal of cancer research = Chung-kuo yen cheng yen chiu Pub Date : 2023-06-30 DOI: 10.21147/j.issn.1000-9604.2023.03.03
Shasha Liu, Yi Zhang
{"title":"Challenges and interventions of chimeric antigen receptor-T cell therapy in solid tumors.","authors":"Shasha Liu,&nbsp;Yi Zhang","doi":"10.21147/j.issn.1000-9604.2023.03.03","DOIUrl":"https://doi.org/10.21147/j.issn.1000-9604.2023.03.03","url":null,"abstract":"<p><p>Adoptive cellular therapy is rapidly improving immunotherapy in hematologic malignancies and several solid tumors. Remarkable clinical success has been achieved in chimeric antigen receptor (CAR)-T cell therapy which represents a paradigm-shifting strategy for the treatment of hematological malignancies. However, many challenges such as resistance, antigen heterogeneity, poor immune cell infiltration, immunosuppressive microenvironment, metabolic obstructive microenvironment, and T cell exhaustion remain as barriers to broader application especially in solid tumors. Encouragingly, the development of new approaches such as multidimensional omics and biomaterials technologies was aided to overcome these barriers. Here, in this perspective, we focus on the most recent clinical advancements, challenges, and strategies of immune cellular therapy in solid tumor treatment represented by CAR-T cell therapy, to provide new ideas to further overcome the bottleneck of immune cell therapy and anticipate future clinical advances.</p>","PeriodicalId":9830,"journal":{"name":"Chinese journal of cancer research = Chung-kuo yen cheng yen chiu","volume":"35 3","pages":"239-244"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10334497/pdf/cjcr-35-3-239.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9819976","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Predictive value of co-expression patterns of immune checkpoint molecules for clinical outcomes of hematological malignancies. 免疫检查点分子共表达模式对血液系统恶性肿瘤临床预后的预测价值。
Chinese journal of cancer research = Chung-kuo yen cheng yen chiu Pub Date : 2023-06-30 DOI: 10.21147/j.issn.1000-9604.2023.03.04
Cunte Chen, Yangqiu Li
{"title":"Predictive value of co-expression patterns of immune checkpoint molecules for clinical outcomes of hematological malignancies.","authors":"Cunte Chen,&nbsp;Yangqiu Li","doi":"10.21147/j.issn.1000-9604.2023.03.04","DOIUrl":"https://doi.org/10.21147/j.issn.1000-9604.2023.03.04","url":null,"abstract":"<p><p>Co-expression of immune checkpoint (IC) molecules can exacerbate T cell exhaustion in patients with hematological malignancies (HMs) and contribute to the immune escape of tumor cells, which is related to poor clinical outcome. It is worth establishing and optimizing an ideal prediction model based on the co-expression patterns of IC molecules to evaluate the immune status of HM patients and predict their clinical outcome. In this perspective, we summarize the co-expression patterns of IC molecules and their importance as biomarkers that predict the prognosis of patients with different HMs, providing new insights for designing dual IC blockades (ICBs).</p>","PeriodicalId":9830,"journal":{"name":"Chinese journal of cancer research = Chung-kuo yen cheng yen chiu","volume":"35 3","pages":"245-251"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10334495/pdf/cjcr-35-3-245.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9819981","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Advancements in understanding mechanisms of hepatocellular carcinoma radiosensitivity: A comprehensive review. 肝细胞癌放射敏感性机制研究进展综述
Chinese journal of cancer research = Chung-kuo yen cheng yen chiu Pub Date : 2023-06-30 DOI: 10.21147/j.issn.1000-9604.2023.03.06
Gaoyuan Yang, Huamei Yan, Yongchang Tang, Feng Yuan, Mingbo Cao, Yupeng Ren, Yuxuan Li, Zhiwei He, Xiaorui Su, Zhicheng Yao, Meihai Deng
{"title":"Advancements in understanding mechanisms of hepatocellular carcinoma radiosensitivity: A comprehensive review.","authors":"Gaoyuan Yang,&nbsp;Huamei Yan,&nbsp;Yongchang Tang,&nbsp;Feng Yuan,&nbsp;Mingbo Cao,&nbsp;Yupeng Ren,&nbsp;Yuxuan Li,&nbsp;Zhiwei He,&nbsp;Xiaorui Su,&nbsp;Zhicheng Yao,&nbsp;Meihai Deng","doi":"10.21147/j.issn.1000-9604.2023.03.06","DOIUrl":"https://doi.org/10.21147/j.issn.1000-9604.2023.03.06","url":null,"abstract":"<p><p>Primary liver cancer is a significant health problem worldwide. Hepatocellular carcinoma (HCC) is the main pathological type of primary liver cancer, accounting for 75%-85% of cases. In recent years, radiotherapy has become an emerging treatment for HCC and is effective for various stages of HCC. However, radiosensitivity of liver cancer cells has a significant effect on the efficacy of radiotherapy and is regulated by various factors. How to increase radiosensitivity and improve the therapeutic effects of radiotherapy require further exploration. This review summarizes the recent research progress on the mechanisms affecting sensitivity to radiotherapy, including epigenetics, transportation and metabolism, regulated cell death pathways, the microenvironment, and redox status, as well as the effect of nanoparticles on the radiosensitivity of liver cancer. It is expected to provide more effective strategies and methods for clinical treatment of liver cancer by radiotherapy.</p>","PeriodicalId":9830,"journal":{"name":"Chinese journal of cancer research = Chung-kuo yen cheng yen chiu","volume":"35 3","pages":"266-282"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10334493/pdf/cjcr-35-3-266.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9807143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
PTPRD/PTPRT mutation correlates to treatment outcomes of immunotherapy and immune landscape in pan-cancers. PTPRD/PTPRT突变与泛癌免疫治疗结果和免疫景观相关
Chinese journal of cancer research = Chung-kuo yen cheng yen chiu Pub Date : 2023-06-30 DOI: 10.21147/j.issn.1000-9604.2023.03.09
Gangjian Wang, Xin Ji, Haojie Wang, Xiaohuan Tang, Xiaofang Xing, Jiafu Ji
{"title":"PTPRD/PTPRT mutation correlates to treatment outcomes of immunotherapy and immune landscape in pan-cancers.","authors":"Gangjian Wang,&nbsp;Xin Ji,&nbsp;Haojie Wang,&nbsp;Xiaohuan Tang,&nbsp;Xiaofang Xing,&nbsp;Jiafu Ji","doi":"10.21147/j.issn.1000-9604.2023.03.09","DOIUrl":"https://doi.org/10.21147/j.issn.1000-9604.2023.03.09","url":null,"abstract":"<p><strong>Objective: </strong>PTPRD and PTPRT are phosphatases of the JAK-STAT pathway related to immunotherapy. However, the role and mechanism of PTPRD and PTPRT mutations in multiple cancers remains unclear.</p><p><strong>Methods: </strong>Clinical data and PTPRD/PTPRT mutation information from 12 cohorts were collected and classified as a discovery cohort and three validation cohorts. The association between PTPRD/PTPRT mutations and immunotherapeutic efficacy was analyzed. Then, the association between PTPRD/PTPRT mutation and immune profiles was analyzed using The Cancer Genome Atlas (TCGA) cohort.</p><p><strong>Results: </strong>A total of 2,392 patients across 20 cancer types were included in this study. Our results showed that patients harboring PTPRD/PTPRT mutation, especially co-mutations, had a significantly elevated response rate to immunotherapy in multiple cancers. Patients with PTPRD/PTPRT mutation had a higher objective response rate (ORR) (P=0.002), longer overall survival (OS) (P=0.005) and progression-free survival (PFS) (P=0.038). Importantly, the above findings were further verified in validation cohorts. In addition, we found that the PTPRD/PTPRT co-mutations (co-mut) subgroup exhibited an immune-activated phenotype, the wild-type subgroup tended to have an immune-desert phenotype, and the uni-mutation (uni-mut) subgroup might have an immune-mixed phenotype. Our further analyses suggested that combining programmed cell death ligand 1 (PD-L1) expression and PTPRD/PTPRT mutation can be used to screen patients who may benefit from immunotherapy.</p><p><strong>Conclusions: </strong>PTPRD/PTPRT mutation could serve as a potential predictive biomarker for cancer immunotherapy.</p>","PeriodicalId":9830,"journal":{"name":"Chinese journal of cancer research = Chung-kuo yen cheng yen chiu","volume":"35 3","pages":"316-330"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10334496/pdf/cjcr-35-3-316.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9807140","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Adjuvant therapy for hormone receptor-positive breast cancer: Perspective from a survey on breast cancer physicians' acceptance of practice-changing data. 激素受体阳性乳腺癌症的辅助治疗:从癌症医生接受实际治疗数据的调查来看。
Chinese journal of cancer research = Chung-kuo yen cheng yen chiu Pub Date : 2023-04-30 DOI: 10.21147/j.issn.1000-9604.2023.02.08
Asian Institute Of Clinical Oncology Aico Expert Panel
{"title":"Adjuvant therapy for hormone receptor-positive breast cancer: Perspective from a survey on breast cancer physicians' acceptance of practice-changing data.","authors":"Asian Institute Of Clinical Oncology Aico Expert Panel","doi":"10.21147/j.issn.1000-9604.2023.02.08","DOIUrl":"10.21147/j.issn.1000-9604.2023.02.08","url":null,"abstract":"<p><p>A cross-sectional online survey was conducted. A high proportion of the Chinese breast cancer (BC) physician respondents (n=77) would prescribe extended adjuvant endocrine therapy (AET) with aromatase inhibitors (AI) beyond 5 years for postmenopausal females with BC, especially those with higher risk. Respondents with ≥15 years of clinical experience were more likely to prescribe a longer duration of AET for low-risk patients. Half of the respondents considered intermittent letrozole as an acceptable option. Most respondents would prescribe adjuvant chemotherapy to genomic high-intermediate risk [Oncotype DX recurrence score (RS) 21-25] females aged ≤50 years regardless of the clinical risk classification.</p>","PeriodicalId":9830,"journal":{"name":"Chinese journal of cancer research = Chung-kuo yen cheng yen chiu","volume":"35 2","pages":"191-196"},"PeriodicalIF":0.0,"publicationDate":"2023-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10167604/pdf/cjcr-35-2-191.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9461903","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Variant rs8400 enhances ALKBH5 expression through disrupting miR-186 binding and promotes neuroblastoma progression. 变体rs8400通过破坏miR-186的结合增强ALKBH5的表达,并促进神经母细胞瘤的进展。
Chinese journal of cancer research = Chung-kuo yen cheng yen chiu Pub Date : 2023-04-30 DOI: 10.21147/j.issn.1000-9604.2023.02.05
Qian Guan, Huiran Lin, Wenfeng Hua, Lei Lin, Jiabin Liu, Linqing Deng, Jiao Zhang, Jiwen Cheng, Zhonghua Yang, Yong Li, Jun Bian, Haixia Zhou, Suhong Li, Li Li, Lei Miao, Huimin Xia, Jing He, Zhenjian Zhuo
{"title":"Variant rs8400 enhances ALKBH5 expression through disrupting miR-186 binding and promotes neuroblastoma progression.","authors":"Qian Guan,&nbsp;Huiran Lin,&nbsp;Wenfeng Hua,&nbsp;Lei Lin,&nbsp;Jiabin Liu,&nbsp;Linqing Deng,&nbsp;Jiao Zhang,&nbsp;Jiwen Cheng,&nbsp;Zhonghua Yang,&nbsp;Yong Li,&nbsp;Jun Bian,&nbsp;Haixia Zhou,&nbsp;Suhong Li,&nbsp;Li Li,&nbsp;Lei Miao,&nbsp;Huimin Xia,&nbsp;Jing He,&nbsp;Zhenjian Zhuo","doi":"10.21147/j.issn.1000-9604.2023.02.05","DOIUrl":"10.21147/j.issn.1000-9604.2023.02.05","url":null,"abstract":"<p><strong>Objective: </strong>AlkB homolog 5 (ALKBH5) has been proven to be closely related to tumors. However, the role and molecular mechanism of ALKBH5 in neuroblastomas have rarely been reported.</p><p><strong>Methods: </strong>The potential functional single-nucleotide polymorphisms (SNPs) in <i>ALKBH5</i> were identified by National Center for Biotechnology Information (NCBI) dbSNP screening and SNPinfo software. TaqMan probes were used for genotyping. A multiple logistic regression model was used to evaluate the effects of different SNP loci on the risk of neuroblastoma. The expression of ALKBH5 in neuroblastoma was evaluated by Western blotting and immunohistochemistry (IHC). Cell counting kit-8 (CCK-8), plate colony formation and 5-ethynyl-2'-deoxyuridine (EdU) incorporation assays were used to evaluate cell proliferation. Wound healing and Transwell assays were used to compare cell migration and invasion. Thermodynamic modelling was performed to predict the ability of miRNAs to bind to <i>ALKBH5</i> with the rs8400 G/A polymorphism. RNA sequencing, N6-methyladenosine (m<sup>6</sup>A) sequencing, m<sup>6</sup>A methylated RNA immunoprecipitation (MeRIP) and a luciferase assay were used to identify the targeting effect of ALKBH5 on SPP1.</p><p><strong>Results: </strong>ALKBH5 was highly expressed in neuroblastoma. Knocking down ALKBH5 inhibited the proliferation, migration and invasion of cancer cells. miR-186-3p negatively regulates the expression of ALKBH5, and this ability is affected by the rs8400 polymorphism. When the G nucleotide was mutated to A, the ability of miR-186-3p to bind to the 3'-UTR of ALKBH5 decreased, resulting in upregulation of <i>ALKBH5</i>. <i>SPP1</i> is the downstream target gene of the <i>ALKBH5</i> oncogene. Knocking down SPP1 partially restored the inhibitory effect of ALKBH5 downregulation on neuroblastoma. Downregulation of ALKBH5 can improve the therapeutic efficacy of carboplatin and etoposide in neuroblastoma.</p><p><strong>Conclusions: </strong>We first found that the rs8400 G>A polymorphism in the m<sup>6</sup>A demethylase-encoding gene <i>ALKBH5</i> increases neuroblastoma susceptibility and determines the related mechanisms. The aberrant regulation of <i>ALKBH5</i> by miR-186-3p caused by this genetic variation in <i>ALKBH5</i> promotes the occurrence and development of neuroblastoma through the ALKBH5-SPP1 axis.</p>","PeriodicalId":9830,"journal":{"name":"Chinese journal of cancer research = Chung-kuo yen cheng yen chiu","volume":"35 2","pages":"140-162"},"PeriodicalIF":0.0,"publicationDate":"2023-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10167609/pdf/cjcr-35-2-140.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9461901","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Stomach cancer burden in China: Epidemiology and prevention. 中国癌症负担:流行病学与预防。
Chinese journal of cancer research = Chung-kuo yen cheng yen chiu Pub Date : 2023-04-30 DOI: 10.21147/j.issn.1000-9604.2023.02.01
Xinxin Yan, Lin Lei, He Li, Maomao Cao, Fan Yang, Siyi He, Shaoli Zhang, Yi Teng, Qianru Li, Changfa Xia, Wanqing Chen
{"title":"Stomach cancer burden in China: Epidemiology and prevention.","authors":"Xinxin Yan, Lin Lei, He Li, Maomao Cao, Fan Yang, Siyi He, Shaoli Zhang, Yi Teng, Qianru Li, Changfa Xia, Wanqing Chen","doi":"10.21147/j.issn.1000-9604.2023.02.01","DOIUrl":"10.21147/j.issn.1000-9604.2023.02.01","url":null,"abstract":"<p><p>In 2020, stomach cancer was the fifth most commonly diagnosed cancer and the fourth leading cause of cancer-related death worldwide. Due to the relatively huge population base and the poor survival rate, stomach cancer is still a threat in China, and accounts for nearly half of the cases worldwide. Fortunately, in China, the incidence and mortality rates of stomach cancer presented a declining trend owing to the change of individual life styles and the persistent efforts to prevent stomach cancer from the governments at all levels. <i>Helicobacter pylori</i> (<i>H. pylori</i>) infection, poor eating habits, smoking, history of gastrointestinal disorders, and family history of stomach cancer are the main risk factors for stomach cancer in China. As a result, by taking risk factors for stomach cancer into account, specific preventive measures, such as eradicating <i>H. pylori</i> and implementing stomach cancer screening projects, should be taken to better prevent and decrease the burden of stomach cancer.</p>","PeriodicalId":9830,"journal":{"name":"Chinese journal of cancer research = Chung-kuo yen cheng yen chiu","volume":"35 2","pages":"81-91"},"PeriodicalIF":0.0,"publicationDate":"2023-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10167608/pdf/cjcr-35-2-81.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9467688","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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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