According to the latest global cancer statistics,colorectal cancer(CRC)has emerged as the third most prevalent malignant tumor across the globe.In recent decades,the medical field has implemented several levels of CRC...According to the latest global cancer statistics,colorectal cancer(CRC)has emerged as the third most prevalent malignant tumor across the globe.In recent decades,the medical field has implemented several levels of CRC screening tests,encompassing fecal tests,endoscopic examinations,radiological examinations and blood tests.Previous studies have shown that leukocyte immunoglobulin-like receptor B2(LILRB2)is involved in inhibiting immune cell function,immune evasion,and promoting tumor progression in acute myeloid leukemia and nonsmall cell lung cancer.However,its interaction with CRC has not been reported yet.Recently,a study published in the World Journal of Gastroenterology revealed that LILRB2 and its ligand,angiopoietin-like protein 2,are markedly overexpressed in CRC.This overexpression is closely linked to tumor progression and is indicative of a poor prognosis.The study highlights the potential of utilizing the concentration of LILRB2 in serum as a promising biomarker for tumors.However,there is still room for discussion regarding the data processing and analysis in this research.展开更多
BACKGROUND Colorectal cancer(CRC)has become the second most deadly malignancy in the world,and the exploration of screening markers and precise therapeutic targets is urgent.Our previous research identified leukocyte ...BACKGROUND Colorectal cancer(CRC)has become the second most deadly malignancy in the world,and the exploration of screening markers and precise therapeutic targets is urgent.Our previous research identified leukocyte immunoglobulin-like receptor B2(LILRB2)protein as a characteristic protein of CRC,but the association between LILRB2 expression and clinicopathological features,the internal mechanism related to CRC progression,and screening diagnostic efficacy are not clear.Therefore,we hypothesized that LILRB2 is significantly highly expressed in CRC tissues,correlated with advanced stage and a poor prognosis,and could be used as a therapeutic target and potential screening biomarker for CRC.AIM To explore whether LILRB2 can be used as a potential therapeutic target and noninvasive screening biomarker for CRC.METHODS Patients who underwent radical surgery for CRC at China-Japan Friendship Hospital between February 2021 and October 2022 were included.Cancer and paracancerous tissues were collected to verify LILRB2 expression,and the association between LILRB2 expression and clinicopathological features was analysed.Serum was collected from CRC patients,adenoma patients and healthy controls during the same period to assess the diagnostic value of LILRB2 as a noninvasive screening biomarker,and its diagnostic value was further compared with that of the traditional markers carcinoembryonic antigen(CEA)and carbohydrate antigen 19-9(CA19-9).RESULTS A total of 58 CRC patients were included,and LILRB2 protein was significantly overexpressed in cancer tissues compared with paracancerous tissues(P<0.001).Angiopoietin-like protein 2(ANGPTL2)protein,as the ligand of LILRB2,was synergistically overexpressed in CRC tissues(P<0.001),and overexpression of LILRB2 and ANGPTL2 protein was significantly correlated with poor to moderate differentiation,vascular involvement,lymph node metastasis,distant metastasis,advanced tumor-node-metastasis stage and a poor prognosis(P<0.05),which suggested that LILRB2 and ANGPTL2 are closely associated with CRC progression.In addition,serum LILRB2 concentrations increased stepwise in healthy individuals,adenoma patients and CRC patients with statistically significant differences.The sensitivity of serum LILRB2 for the diagnosis of CRC was 89.74%,the specificity was 88.89%,the area under the curve was 0.95,and the diagnostic efficacy was better than that of conventional CEA and CA19-9.CONCLUSION LILRB2 protein can be used as a potential novel therapeutic target and noninvasive screening biomarker for CRC,which is beneficial for early screening and precise treatment.展开更多
Overall 5-years survival of pancreatic cancer patients is nearly 5%,making this cancer type one of the most lethal neoplasia.Furthermore,the incidence rate of pancreatic cancer has a growing trend that determines a co...Overall 5-years survival of pancreatic cancer patients is nearly 5%,making this cancer type one of the most lethal neoplasia.Furthermore,the incidence rate of pancreatic cancer has a growing trend that determines a constant increase in the number of deceases caused by this pathology.The poor prognosis of pancreatic cancer is mainly caused by delayed diagnosis,early metastasis of tumor,and resistance to almost all tested cytotoxic drugs.In this respect,the identification of novel potential targets for new and efficient therapies should be strongly encouraged in order to improve the clinical management of pancreatic cancer.Some studies have shown that the mitochondrial uncoupling protein 2(UCP2) is over-expressed in pancreatic cancer as compared to adjacent normal tissues.In addition,recent discoveries established a key role of UCP2 in protecting cancer cells from an excessive production of mitochondrial superoxide ions and in the promotion of cancer cell metabolic reprogramming,including aerobic glycolysis stimulation,promotion of cancer progression.These observations together with the demonstration that UCP2 repression can synergize with standard chemotherapy to inhibit pancreatic cancer cell growth provide the molecular rationale to consider UCP2 as a potential therapeutic target for pancreatic cancer.In this editorial,recent advances describing the relationship between cancer development and mitochondrial UCP2 activity are critically provided.展开更多
经过多年的研究,TPX2（targeting protein for Xklp2）被认为是与细胞有丝分裂和纺锤体组装相关的一个重要因素,在细胞周期的S和G2期优先存在于细胞核中。由于TPX2在多种癌症中存在高表达,它的异常表达可导致细胞中心体异常扩增、异倍...经过多年的研究,TPX2（targeting protein for Xklp2）被认为是与细胞有丝分裂和纺锤体组装相关的一个重要因素,在细胞周期的S和G2期优先存在于细胞核中。由于TPX2在多种癌症中存在高表达,它的异常表达可导致细胞中心体异常扩增、异倍体形成以及细胞癌变的发生,在恶性肿瘤的发生发展中起到原癌基因的作用,进而促进肿瘤细胞增殖、抑制凋亡、增强其侵袭及转移性。展开更多
目的分析爪蟾驱动蛋白样蛋白2靶蛋白(TPX2)在肝细胞癌(HCC)中的表达及临床意义。方法采用UALCAN数据库分析TPX2 m RNA和蛋白在HCC组织中的表达情况;K-M Plot数据库分析TPX2表达情况对HCC患者预后的影响;HPA免疫组化分析TPX2蛋白在HCC组...目的分析爪蟾驱动蛋白样蛋白2靶蛋白(TPX2)在肝细胞癌(HCC)中的表达及临床意义。方法采用UALCAN数据库分析TPX2 m RNA和蛋白在HCC组织中的表达情况;K-M Plot数据库分析TPX2表达情况对HCC患者预后的影响;HPA免疫组化分析TPX2蛋白在HCC组织中的表达情况;GEPIA及UALCAN数据库分析HCC组织中TPX2与肿瘤蛋白p53(TP53)表达的相关性;ACLBI数据库分析TPX2在HCC组织中的表达水平及对患者预后的预测价值。结果UALCAN数据库分析结果显示,不同分期和分级HCC组织中TPX2 mRNA表达水平均高于正常组织,差异均有统计学意义(P﹤0.05)。K-M Plot数据库分析结果显示,TPX2低表达HCC患者的无复发生存期(RFS)、总生存期(OS)、无进展生存期(PFS)及疾病特异性生存期(DSS)均优于TPX2高表达患者,差异均有统计学意义(P﹤0.05)。HPA数据库免疫组化分析结果显示,HCC组织中TPX2蛋白阳性表达高于正常肝组织。UALCAN与GEPIA数据库分析结果显示,HCC组织中TPX2与TP53表达呈正相关(r=0.34,P﹤0.05),且TP53突变组TPX2 m RNA表达水平高于TP53未突变组,差异有统计学意义(P﹤0.05)。ACLBI数据库分析结果显示,随着TPX2表达的增高,患者预后不良风险增加;TPX2低表达HCC患者的OS明显优于TPX2高表达患者,差异有统计学意义(P﹤0.01);TPX2表达预测HCC患者1、3、5年OS的受试者工作特征(ROC)曲线的曲线下面积(AUC)分别为0.731(95%CI:0.659~0.803)、0.664(95%CI:0.588~0.739)和0.644(95%CI:0.551~0.738)。结论TPX2是一种癌基因,不利于HCC患者的预后,可作为HCC诊断与预后的生物标志物。展开更多
文摘According to the latest global cancer statistics,colorectal cancer(CRC)has emerged as the third most prevalent malignant tumor across the globe.In recent decades,the medical field has implemented several levels of CRC screening tests,encompassing fecal tests,endoscopic examinations,radiological examinations and blood tests.Previous studies have shown that leukocyte immunoglobulin-like receptor B2(LILRB2)is involved in inhibiting immune cell function,immune evasion,and promoting tumor progression in acute myeloid leukemia and nonsmall cell lung cancer.However,its interaction with CRC has not been reported yet.Recently,a study published in the World Journal of Gastroenterology revealed that LILRB2 and its ligand,angiopoietin-like protein 2,are markedly overexpressed in CRC.This overexpression is closely linked to tumor progression and is indicative of a poor prognosis.The study highlights the potential of utilizing the concentration of LILRB2 in serum as a promising biomarker for tumors.However,there is still room for discussion regarding the data processing and analysis in this research.
基金the National Key Development Plan for Precision Medicine Research,No.2017YFC0910002.
文摘BACKGROUND Colorectal cancer(CRC)has become the second most deadly malignancy in the world,and the exploration of screening markers and precise therapeutic targets is urgent.Our previous research identified leukocyte immunoglobulin-like receptor B2(LILRB2)protein as a characteristic protein of CRC,but the association between LILRB2 expression and clinicopathological features,the internal mechanism related to CRC progression,and screening diagnostic efficacy are not clear.Therefore,we hypothesized that LILRB2 is significantly highly expressed in CRC tissues,correlated with advanced stage and a poor prognosis,and could be used as a therapeutic target and potential screening biomarker for CRC.AIM To explore whether LILRB2 can be used as a potential therapeutic target and noninvasive screening biomarker for CRC.METHODS Patients who underwent radical surgery for CRC at China-Japan Friendship Hospital between February 2021 and October 2022 were included.Cancer and paracancerous tissues were collected to verify LILRB2 expression,and the association between LILRB2 expression and clinicopathological features was analysed.Serum was collected from CRC patients,adenoma patients and healthy controls during the same period to assess the diagnostic value of LILRB2 as a noninvasive screening biomarker,and its diagnostic value was further compared with that of the traditional markers carcinoembryonic antigen(CEA)and carbohydrate antigen 19-9(CA19-9).RESULTS A total of 58 CRC patients were included,and LILRB2 protein was significantly overexpressed in cancer tissues compared with paracancerous tissues(P<0.001).Angiopoietin-like protein 2(ANGPTL2)protein,as the ligand of LILRB2,was synergistically overexpressed in CRC tissues(P<0.001),and overexpression of LILRB2 and ANGPTL2 protein was significantly correlated with poor to moderate differentiation,vascular involvement,lymph node metastasis,distant metastasis,advanced tumor-node-metastasis stage and a poor prognosis(P<0.05),which suggested that LILRB2 and ANGPTL2 are closely associated with CRC progression.In addition,serum LILRB2 concentrations increased stepwise in healthy individuals,adenoma patients and CRC patients with statistically significant differences.The sensitivity of serum LILRB2 for the diagnosis of CRC was 89.74%,the specificity was 88.89%,the area under the curve was 0.95,and the diagnostic efficacy was better than that of conventional CEA and CA19-9.CONCLUSION LILRB2 protein can be used as a potential novel therapeutic target and noninvasive screening biomarker for CRC,which is beneficial for early screening and precise treatment.
基金Supported by grants from Associazione Italiana Ricerca Cancro,Milan,ItalyFondazione Cari Pa Ro,Padova,ItalyMinistero dell’Istruzione,dell’Universitàe della Ricerca,Rome,Italy
文摘Overall 5-years survival of pancreatic cancer patients is nearly 5%,making this cancer type one of the most lethal neoplasia.Furthermore,the incidence rate of pancreatic cancer has a growing trend that determines a constant increase in the number of deceases caused by this pathology.The poor prognosis of pancreatic cancer is mainly caused by delayed diagnosis,early metastasis of tumor,and resistance to almost all tested cytotoxic drugs.In this respect,the identification of novel potential targets for new and efficient therapies should be strongly encouraged in order to improve the clinical management of pancreatic cancer.Some studies have shown that the mitochondrial uncoupling protein 2(UCP2) is over-expressed in pancreatic cancer as compared to adjacent normal tissues.In addition,recent discoveries established a key role of UCP2 in protecting cancer cells from an excessive production of mitochondrial superoxide ions and in the promotion of cancer cell metabolic reprogramming,including aerobic glycolysis stimulation,promotion of cancer progression.These observations together with the demonstration that UCP2 repression can synergize with standard chemotherapy to inhibit pancreatic cancer cell growth provide the molecular rationale to consider UCP2 as a potential therapeutic target for pancreatic cancer.In this editorial,recent advances describing the relationship between cancer development and mitochondrial UCP2 activity are critically provided.
文摘经过多年的研究,TPX2（targeting protein for Xklp2）被认为是与细胞有丝分裂和纺锤体组装相关的一个重要因素,在细胞周期的S和G2期优先存在于细胞核中。由于TPX2在多种癌症中存在高表达,它的异常表达可导致细胞中心体异常扩增、异倍体形成以及细胞癌变的发生,在恶性肿瘤的发生发展中起到原癌基因的作用,进而促进肿瘤细胞增殖、抑制凋亡、增强其侵袭及转移性。
文摘目的分析爪蟾驱动蛋白样蛋白2靶蛋白(TPX2)在肝细胞癌(HCC)中的表达及临床意义。方法采用UALCAN数据库分析TPX2 m RNA和蛋白在HCC组织中的表达情况;K-M Plot数据库分析TPX2表达情况对HCC患者预后的影响;HPA免疫组化分析TPX2蛋白在HCC组织中的表达情况;GEPIA及UALCAN数据库分析HCC组织中TPX2与肿瘤蛋白p53(TP53)表达的相关性;ACLBI数据库分析TPX2在HCC组织中的表达水平及对患者预后的预测价值。结果UALCAN数据库分析结果显示,不同分期和分级HCC组织中TPX2 mRNA表达水平均高于正常组织,差异均有统计学意义(P﹤0.05)。K-M Plot数据库分析结果显示,TPX2低表达HCC患者的无复发生存期(RFS)、总生存期(OS)、无进展生存期(PFS)及疾病特异性生存期(DSS)均优于TPX2高表达患者,差异均有统计学意义(P﹤0.05)。HPA数据库免疫组化分析结果显示,HCC组织中TPX2蛋白阳性表达高于正常肝组织。UALCAN与GEPIA数据库分析结果显示,HCC组织中TPX2与TP53表达呈正相关(r=0.34,P﹤0.05),且TP53突变组TPX2 m RNA表达水平高于TP53未突变组,差异有统计学意义(P﹤0.05)。ACLBI数据库分析结果显示,随着TPX2表达的增高,患者预后不良风险增加;TPX2低表达HCC患者的OS明显优于TPX2高表达患者,差异有统计学意义(P﹤0.01);TPX2表达预测HCC患者1、3、5年OS的受试者工作特征(ROC)曲线的曲线下面积(AUC)分别为0.731(95%CI:0.659~0.803)、0.664(95%CI:0.588~0.739)和0.644(95%CI:0.551~0.738)。结论TPX2是一种癌基因,不利于HCC患者的预后,可作为HCC诊断与预后的生物标志物。
