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pan C, bai X, Li N, Zheng N, Si Y, Zhao Y. PBX3 as a biomarker for the early diagnosis and prediction of prognosis of glioma. PLoS One 2024; 19:e0293647. [PMID: 38324550 PMCID: PMC10849273 DOI: 10.1371/journal.pone.0293647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 10/17/2023] [Indexed: 02/09/2024] Open
Abstract
BACKGROUND Increasing evidence have elucidated that PBX3 played a crucial role in cancer initiation and progression. PBX3 was differentially expressed in many cancer types. However, PBX3 potential involvement in gliomas remains to be explored. METHODS The expression level of PBX3 in glioma tissues and glioma cells, and its correlation with clinical features were analyzed by data from TCGA, GEPIA, CGGA and CCLE. Univariable survival and Multivariate Cox analysis was used to compare several clinical characteristics with survival. We also analyzed the correlation between PBX3 expression level and survival outcome and survival time of LGG and GBM patients by using linear regression equation. GSEA was used to generate an ordered list of all genes related to PBX3 expression and screening of genes co-expressed with PBX3 mRNA by "limma" package. RESULTS The results showed that PBX3 was highly expressed in gliomas and its expression increased with the increase of malignancy. Survival analysis found that PBX3 is more valuable in predicting the OS and PFI of LGG patients than that of GBM. For further study, TCGA and CGGA data were downloaded for univariate Cox analysis and multivariate Cox analysis which showed that the expression of PBX3 was independent influencing factors for poor prognosis of LGG patients. Meanwhile, Receiver operating characteristic (ROC) curve showed that PBX3 was a predictor of overall survival rate and progression-free survival rate of LGG. Linear regression model analysis indicated that the higher expression of PBX3 the higher the risk of death of LGG patients, and the higher expression of PBX3 the higher the risk of disease progression of LGG patients. Next, TCGA data were downloaded for GSEA and Co-expression analyses, which was performed to study the function of PBX3. CONCLUSION PBX3 may be involved in the occurrence and development of glioma, and has potential reference value for the early diagnosis and prediction of prognosis of glioma.
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Affiliation(s)
- Cuicui pan
- Department of Clinical Laboratory, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Xueli bai
- Department of Clinical Laboratory, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Na Li
- Department of Dermatology, The Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Ni Zheng
- Department of Clinical Laboratory, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Yuanquan Si
- Department of Clinical Laboratory, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Yueran Zhao
- Central Laboratory, Shandong Provincial Hospital affiliated to Shandong University, Jinan, China
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TRIM47 promotes glioma angiogenesis by suppressing Smad4. In Vitro Cell Dev Biol Anim 2022; 58:771-779. [PMID: 36203070 DOI: 10.1007/s11626-022-00722-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 09/14/2022] [Indexed: 11/05/2022]
Abstract
Angiogenesis is required for tumor progression; thus, its investigation can be useful to identify strategies for potential cancer treatments. Tripartite motif 47 (TRIM47) is involved in the progression of multiple cancers. However, its role in glioma angiogenesis is largely unknown. In this study, we first showed that TRIM47 is frequently upregulated in gliomas, and increased TRIM47 levels are correlated with microvascular density. We then examined the role of TRIM47 in cellular functions related to angiogenesis in vitro and observed that TRIM47 knockdown significantly reduced human umbilical vein endothelial cell proliferation, migration, and tube formation. We also found that TRIM47 silencing reduced vessel density and tumor volume in glioma xenografts. Mechanistically, TRIM47 negatively regulated Smad4 expression in glioma cells, and SMAD4 knockdown rescued the suppressive effects of TRIM47 silencing. Taken together, our results indicate that TRIM47 promotes angiogenesis in gliomas by downregulating SMAD4. Therefore, targeting the TRIM47/SMAD4 axis may offer an innovative approach to glioma treatment.
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Clinicopathological and Prognostic Significance of ABCC3 in Human Glioma. JOURNAL OF ONCOLOGY 2022; 2021:1827992. [PMID: 34976054 PMCID: PMC8718316 DOI: 10.1155/2021/1827992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 12/11/2021] [Accepted: 12/13/2021] [Indexed: 11/18/2022]
Abstract
Glioma is the most common malignant primary brain tumor with an inferior survival period and unsatisfactory prognoses. Identification of novel biomarkers is important for the improvements of clinical outcomes of glioma patients. In recent years, more and more biomarkers were identified in many types of tumors. However, the sensitive markers for diagnoses and prognoses of patients with glioma remained unknown. In the present research, our team intended to explore the expression and clinical significance of ABCC3 in glioma patients. Sequential data filtration (survival analyses, independent prognosis analyses, ROC curve analyses, and clinical association analyses) was completed, which gave rise to the determination of the relationship between glioma and the ABCC3 gene. Clinical assays on the foundation of CGGA and TCGA datasets unveiled that ABCC3 expression was distinctly upregulated in glioma and predicted a shorter overall survival. In the multivariable Cox analysis, our team discovered that the expression of ABCC3 was an independent prognosis marker for both 5-year OS (HR = 1.118, 95% CI: 1.052-1.188; P < 0.001). Moreover, our team also studied the association between ABCC3 expression and clinical features of glioma patients, finding that differential expression of ABCC3 was remarkably related to age, 1p19q codeletion, PRS type, chemo status, grade, IDH mutation state, and histology. Overall, our findings suggested ABCC3 might be a novel prognosis marker in glioma.
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Jiguet-Jiglaire C, Boissonneau S, Denicolai E, Hein V, Lasseur R, Garcia J, Romain S, Appay R, Graillon T, Mason W, Carpentier AF, Brandes AA, Ouafik L, Wick W, Baaziz A, Gigan JP, Argüello RJ, Figarella-Branger D, Chinot O, Tabouret E. Plasmatic MMP9 released from tumor-infiltrating neutrophils is predictive for bevacizumab efficacy in glioblastoma patients: an AVAglio ancillary study. Acta Neuropathol Commun 2022; 10:1. [PMID: 34980260 PMCID: PMC8722051 DOI: 10.1186/s40478-021-01305-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 12/17/2021] [Indexed: 12/12/2022] Open
Abstract
We previously identified matrix metalloproteinase 2 (MMP2) and MMP9 plasma levels as candidate biomarkers of bevacizumab activity in patients with recurrent glioblastoma. The aim of this study was to assess the predictive value of MMP2 and MMP9 in a randomized phase III trial in patients with newly diagnosed glioblastoma and to explore their tumor source. In this post hoc analysis of the AVAglio trial (AVAGlio/NCT00943826), plasma samples from 577 patients (bevacizumab, n = 283; placebo, n = 294) were analyzed for plasma MMP9 and MMP2 levels by enzyme-linked immunosorbent assay. A prospective local cohort of 38 patients with newly diagnosed glioblastoma was developed for analysis of tumor characteristics by magnetic resonance imaging and measurement of plasma and tumor levels of MMP9 and MMP2. In this AVAglio study, MMP9, but not MMP2, was correlated with bevacizumab efficacy. Patients with low MMP9 derived a significant 5.2-month overall survival (OS) benefit with bevacizumab (HR 0.51, 95% CI 0.34-0.76, p = 0.0009; median 13.6 vs. 18.8 months). In multivariate analysis, a significant interaction was seen between treatment and MMP9 (p = 0.03) for OS. In the local cohort, we showed that preoperative MMP9 plasma levels decreased after tumor resection and were correlated with tumor levels of MMP9 mRNA (p = 0.03). However, plasma MMP9 was not correlated with tumor size, invasive pattern, or angiogenesis. Using immunohistochemistry, we showed that MMP9 was expressed by inflammatory cells but not by tumor cells. After cell sorting, we showed that MMP9 was expressed by CD45+ immune cells. Finally, using flow cytometry, we showed that MMP9 was expressed by tumor-infiltrating neutrophils. In conclusion, circulating MMP9 is predictive of bevacizumab efficacy and is released by tumor-infiltrating neutrophils.
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Lei J, Zhou Z. Efficacy and safety of bevacizumab combined with temozolomide in the treatment of recurrent malignant gliomas and its influence on serum tumor markers. Am J Transl Res 2021; 13:13886-13893. [PMID: 35035729 PMCID: PMC8748084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 11/14/2021] [Indexed: 06/14/2023]
Abstract
OBJECTIVE To determine the efficacy and safety of bevacizumab (Bz) combined with temozolomide (TMZ) in the treatment of recurrent malignant gliomas and its influence on serum tumor markers (STMs). METHODS The clinical data of 73 patients with recurrent malignant gliomas admitted to the First People's Hospital of Shuangliu District from April 2016 to June 2018 were analyzed retrospectively. Patients were divided into two groups according to different therapies: the control group (n=33) treated with TMZ, and the research group (n=40) treated with Bz combined with TMZ (Bz+TMZ). The overall response rate (ORR), disease control rate (DCR) and incidence of adverse reactions (ARs) were observed after 4 courses of treatment. The levels of STMs were detected. Additionally, the Karnofsky Performance Scale (KPS) score and quality of life (QoL) before and after treatment were compared between the two groups. The 1-year and 2-year survival rates as well as median survival time (MST) were also compared after 2-year follow-up. Treatment satisfaction was recorded and compared. RESULTS After treatment, the research group exhibited better ORR and DCR than the control group; The incidence of ARs differed insignificantly between the two arms; The serum levels of Vascular endothelial growth factor (VEGF), epidermal growth factor (EGF) and transforming growth factor β (TGF-β) in the research group were statistically lower than those in the control group; The KPS score and QoL score increased significantly in both arms, and were higher in the research group compared with the control group; the research group was also superior to the control group in treatment satisfaction. The research group showed higher 1-year and 2-year survival rates than the control group. CONCLUSIONS BZ+TMZ is effective in treating recurrent malignant gliomas, which can improve the QoL and survival of patients.
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Chen K, Gan JX, Huang ZP, Liu J, Liu HP. Clinical significance of long noncoding RNA MNX1-AS1 in human cancers: a meta-analysis of cohort studies and bioinformatics analysis based on TCGA datasets. Bioengineered 2021; 12:875-885. [PMID: 33685348 PMCID: PMC8291812 DOI: 10.1080/21655979.2021.1888596] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 01/21/2021] [Accepted: 01/26/2021] [Indexed: 01/11/2023] Open
Abstract
MNX1-AS1 expression has been proposed to be abnormally upregulated in multiple human malignancies and be linked with the survival outcome of patients. However, relevant conclusions were yielded based on the limited samples. Therefore, we herein implemented a meta-analysis of the published cohort studies to further decipher the relationship of MNX1-AS1 level to prognosis and clinicopathological features in various cancers. Additionally, using The Cancer Genome Atlas (TCGA) datasets we carried out a bioinformatics analysis to make a further evaluation on the prognostic value of MNX1-AS1 expression. The results of meta-analysis indicated elevated MNX1-AS1 level closely correlated with poorer overall survival (OS) (HR = 1.97, 95% CI, 1.73-2.24; P < 0.00001), and disease-free survival (DFS) (HR = 2.24, 95% CI, 1.48-3.38; P = 0.0001) in cancers, which was confirmed by the bioinformatics analysis. Besides, it was observed the upregulated MNX1-AS1 level was significantly related to invasion depth, disease stage, tumor metastasis, and differentiation. Collectively, high MNX1-AS1 level correlated with poor survival outcome and aggressive clinicopathological characteristics in various cancers, suggesting that MNX1-AS1 may be applied as a prognostic marker and even a therapeutic target. Nevertheless, more high-quality studies designed with a large sample size should be conducted to further determine the clinical role of MNX1-AS1 in specific cancer types.
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Affiliation(s)
- Kang Chen
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
| | - Jian-Xin Gan
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
| | - Ze-Ping Huang
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
| | - Jun Liu
- Department of Anesthesiology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Hai-Peng Liu
- Department of General Surgery, Lanzhou University Second Hospital, Lanzhou University, Lanzhou, China
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Xu Q, Chen X, Chen B. MicroRNA-3148 inhibits glioma by decreasing DCUN1D1 and inhibiting the NF-kB pathway. Exp Ther Med 2021; 23:28. [PMID: 34824636 PMCID: PMC8611494 DOI: 10.3892/etm.2021.10950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Accepted: 09/27/2021] [Indexed: 11/06/2022] Open
Abstract
Glioma, which originates in the brain, is the most aggressive tumor of the central nervous system. It has been shown that microRNA (miRNA) controls the proliferation, migration and apoptosis of glioma cells. The objective of the present study was to measure microRNA-3148 (miR-3148) expression and investigate its impact on the pathogenetic mechanism of glioma. In the present study, reverse transcription-quantitative real-time PCR was employed to detect miR-3148 expression levels in glioma tissues and cell lines. Cell Counting Kit-8 assay, 5-ethynyl-2'-deoxyuridine assay, and Transwell migration assay were performed to assess the influence of miR-3148 on the malignant biological behavior of glioma cells. The biological functions of miR-3148 in glioma were examined via a xenograft tumor growth assay. Furthermore, the association between miR-3148 and DCUN1D1 was investigated via immunohistochemistry, dual-luciferase reporter assay and western blotting. It was observed that miR-3148 was expressed at low levels in glioma cells, and this represented a poor survival rate. In addition, an increased level of miR-3148 in cells and animal models inhibited glioma cell migration and proliferation. Moreover, miR-3148 decreased DCUN1D1 and curbed the nuclear factor κ enhancer binding protein (NF-κB) signaling pathway, thus decreasing the growth of glioma. Thus, miR-3148 is expressed within glioma tissues at low levels where it suppresses glioma by curbing the NF-κB pathway and lowering DCUN1D1.
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Affiliation(s)
- Qianghua Xu
- Department of Neurosurgery, The First People's Hospital of Jingmen, Jingmen, Hubei 448000, P.R. China
| | - Xiao Chen
- Department of Neurosurgery, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, Hubei 441021, P.R. China
| | - Bin Chen
- Department of Neurosurgery, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, Hubei 441021, P.R. China
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Li D, Yang X, Li B, Yang C, Sun J, Yu M, Wang H, Lu Y. Lidocaine liposome modified with folic acid suppresses the proliferation and motility of glioma cells via targeting the PI3K/AKT pathway. Exp Ther Med 2021; 22:1025. [PMID: 34373711 PMCID: PMC8343891 DOI: 10.3892/etm.2021.10457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 05/28/2021] [Indexed: 11/06/2022] Open
Abstract
Glioma is life-threatening tumor of the central nervous system. Although lidocaine is usually used as local anesthetic, it also has antitumor effects. However, its clinical application in glioma is hampered by limited distribution to the brain. The aim of the present study was to enhance the ability of lidocaine to penetrate the blood-brain barrier (BBB) to target glioma and investigate its antitumor mechanism. A folic acid (FA)-modified lidocaine-carrying liposome (Lid-FA-Lip) was prepared, and its particle size, ζ potential, encapsulation efficiency, release profile stability and hemolytic effect were characterized in vitro. The targeting capacity and antitumor activities of Lid-FA-Lip were also investigated in vitro and in vivo. The results indicated that the modification of liposomes with FA significantly improved the ability of lidocaine to cross the BBB in an in vitro model and increased its uptake by U87 cells. Additionally, Lid-FA-Lip significantly suppressed the motility of U87 glioma cells and stimulated apoptosis. Furthermore, the results confirmed that Lid-FA-Lip targeted the PI3K/AKT pathway and suppressed the growth of glioma xenografts in mice. In summary, the study demonstrated that Lid-FA-Lip is a promising liposomal formulation of lidocaine that may provide improved therapeutic effects on glioma, mediated via the PI3K/AKT pathway.
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Affiliation(s)
- Dedong Li
- Department of Anesthesiology, Second Hospital of Tianjin Medical University, Tianjin 300211, P.R. China
| | - Xuewei Yang
- Department of Anesthesiology, Tianjin Union Medical Center, Tianjin 300191, P.R. China
| | - Bo Li
- Department of Anesthesiology, Second Hospital of Tianjin Medical University, Tianjin 300211, P.R. China
| | - Chenyi Yang
- Department of Anesthesiology, Tianjin Third Central Hospital, Tianjin 300052, P.R. China
| | - Jian Sun
- Department of Anesthesiology, Second Hospital of Tianjin Medical University, Tianjin 300211, P.R. China
| | - Mingdong Yu
- Department of Anesthesiology, Second Hospital of Tianjin Medical University, Tianjin 300211, P.R. China
| | - Haiyun Wang
- Department of Anesthesiology, Tianjin Third Central Hospital, Tianjin 300052, P.R. China
| | - Yuechun Lu
- Department of Anesthesiology, Second Hospital of Tianjin Medical University, Tianjin 300211, P.R. China
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Han W, Shi J, Cao J, Dong B, Guan W. Emerging Roles and Therapeutic Interventions of Aerobic Glycolysis in Glioma. Onco Targets Ther 2020; 13:6937-6955. [PMID: 32764985 PMCID: PMC7371605 DOI: 10.2147/ott.s260376] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 06/26/2020] [Indexed: 12/20/2022] Open
Abstract
Glioma is the most common type of intracranial malignant tumor, with a great recurrence rate due to its infiltrative growth, treatment resistance, intra- and intertumoral genetic heterogeneity. Recently, accumulating studies have illustrated that activated aerobic glycolysis participated in various cellular and clinical activities of glioma, thus influencing the efficacy of radiotherapy and chemotherapy. However, the glycolytic process is too complicated and ambiguous to serve as a novel therapy for glioma. In this review, we generalized the implication of key enzymes, glucose transporters (GLUTs), signalings and transcription factors in the glycolytic process of glioma. In addition, we summarized therapeutic interventions via the above aspects and discussed promising clinical applications for glioma.
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Affiliation(s)
- Wei Han
- Department of Neurosurgery, The Third Affiliated Hospital of Soochow University, Changzhou, People’s Republic of China
| | - Jia Shi
- Department of Neurosurgery, The Third Affiliated Hospital of Soochow University, Changzhou, People’s Republic of China
| | - Jiachao Cao
- Department of Neurosurgery, The Third Affiliated Hospital of Soochow University, Changzhou, People’s Republic of China
| | - Bo Dong
- Department of Neurosurgery, The Third Affiliated Hospital of Soochow University, Changzhou, People’s Republic of China
| | - Wei Guan
- Department of Neurosurgery, The Third Affiliated Hospital of Soochow University, Changzhou, People’s Republic of China
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Wei P, Zhang Z, Lin M, Zhou B, Wang Z. Bevacizumab has bidirectional regulatory effects on the secretion of basic fibroblast growth factor in glioma cells. Cytokine 2020; 129:155022. [PMID: 32044668 DOI: 10.1016/j.cyto.2020.155022] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2019] [Revised: 01/27/2020] [Accepted: 01/28/2020] [Indexed: 11/16/2022]
Abstract
Previous studies suggest that upregulated basic fibroblast growth factor (bFGF) plays a key role in the resistance to anti-vascular endothelial growth factor (VEGF) therapy in glioma. This study reported that anti-VEGF treatment regulated bFGF secretion in a double-edged manner. That is, moderate VEGF neutralization reduced bFGF production, whereas VEGF overblocking enhanced bFGF secretion in glioma cells. Our data provide a new perspective on the treatment of glioma with anti-VEGF, and the underlying mechanism is worthy of further study.
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Affiliation(s)
- Pei Wei
- Department of Immunology, Zhuhai Campus of Zunyi Medical University, Zhuhai, China; Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan, China
| | - Zhainan Zhang
- Department of Physiology, Zhuhai Campus of Zunyi Medical University, Zhuhai, China
| | - Mao Lin
- Department of Physiology, Zhuhai Campus of Zunyi Medical University, Zhuhai, China
| | - Bin Zhou
- Department of Immunology, Zhuhai Campus of Zunyi Medical University, Zhuhai, China
| | - Zhiyong Wang
- Department of Immunology, Zhuhai Campus of Zunyi Medical University, Zhuhai, China; Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan, China.
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Yan C, Wang J, Yang Y, Ma W, Chen X. Molecular biomarker-guided anti-angiogenic targeted therapy for malignant glioma. J Cell Mol Med 2019; 23:4876-4882. [PMID: 31210419 PMCID: PMC6653115 DOI: 10.1111/jcmm.14417] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2019] [Revised: 04/26/2019] [Accepted: 05/07/2019] [Indexed: 12/11/2022] Open
Abstract
Despite aggressive multimodality treatment, the prognosis of glioma, especially malignant glioma, remains very poor. After decades of effort, anti-angiogenic therapy has become an important method of cancer treatment in addition to surgery, radiotherapy and chemotherapy. Although the performance of anti-angiogenic therapy in colorectal cancer is good, its performance in malignant glioma remains unsatisfactory. Several phase III clinical trials showed no overall survival benefits. To solve this problem, the division of patients into groups based on their molecular biomarkers is an important step. This paper provides current insights into anti-angiogenic drugs undergoing clinical trials and discusses the potential of molecular biomarkers to guide glioma diagnosis.
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Affiliation(s)
- Chengrui Yan
- Department of NeurosurgeryPeking University International HospitalBeijingChina
- Department of Neurosurgery, Chinese Academy of Medical SciencesPeking Union Medical College HospitalBeijingChina
| | - Jiaru Wang
- Department of Neurosurgery, Chinese Academy of Medical SciencesPeking Union Medical College HospitalBeijingChina
| | - Yuyan Yang
- Department of Neurosurgery, Chinese Academy of Medical SciencesPeking Union Medical College HospitalBeijingChina
| | - Wenbin Ma
- Department of Neurosurgery, Chinese Academy of Medical SciencesPeking Union Medical College HospitalBeijingChina
| | - Xiaolin Chen
- Department of Neurosurgery, Beijing Tiantan HospitalCapital Medical UniversityBeijingChina
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