1
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Chen T, Li D, Wang Y, Shen X, Dong A, Dong C, Duan K, Ren J, Li W, Shu G, Yang J, Xie Y, Qian F, Zhou J. Loss of NDUFS1 promotes gastric cancer progression by activating the mitochondrial ROS-HIF1α-FBLN5 signaling pathway. Br J Cancer 2023; 129:1261-1273. [PMID: 37644092 PMCID: PMC10575981 DOI: 10.1038/s41416-023-02409-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Revised: 08/09/2023] [Accepted: 08/17/2023] [Indexed: 08/31/2023] Open
Abstract
BACKGROUND Recent studies suggested that NDUFS1 has an important role in human cancers; however, the effects of NDUFS1 on gastric cancer (GC) are still not fully understood. METHODS We confirmed that NDUFS1 is downregulated in GC cells through western blot immunohistochemistry and bioinformation analysis. The effect of NDUFS1 on GC was studied by CCK-8, colony formation, transwell assay in vitro and Mouse xenograft assay in vivo. Expression and subcellular localization of NDUFS1 and the content of mitochondrial reactive oxygen species (mROS) was observed by confocal reflectance microscopy. RESULTS Reduced expression of NDUFS1 was found in GC tissues and cell lines. Also, NDUFS1 overexpression inhibited GC cell proliferation, migration, and invasion in vitro as well as growth and metastasis in vivo. Mechanistically, NDUFS1 reduction led to the activation of the mROS-hypoxia-inducible factor 1α (HIF1α) signaling pathway. We further clarified that NDUFS1 reduction upregulated the expression of fibulin 5 (FBLN5), a transcriptional target of HIF1α, through activation of mROS-HIF1α signaling in GC cells. CONCLUSIONS The results of this study indicate that NDUFS1 downregulation promotes GC progression by activating an mROS-HIF1α-FBLN5 signaling pathway.
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Affiliation(s)
- Tao Chen
- Department of General Surgery, the First Affiliated Hospital of Soochow University, 215006, Suzhou, China
| | - Dongbao Li
- Department of General Surgery, the First Affiliated Hospital of Soochow University, 215006, Suzhou, China
| | - Yunliang Wang
- Department of General Surgery, the First Affiliated Hospital of Soochow University, 215006, Suzhou, China
| | - Xiaochun Shen
- Department of Respiratory Medicine, the First Affiliated Hospital of Soochow University, 215006, Suzhou, China
| | - Anqi Dong
- Department of General Surgery, the First Affiliated Hospital of Soochow University, 215006, Suzhou, China
| | - Chao Dong
- Department of General Surgery, the First Affiliated Hospital of Soochow University, 215006, Suzhou, China
| | - Kaipeng Duan
- Department of General Surgery, the First Affiliated Hospital of Soochow University, 215006, Suzhou, China
| | - Jiayu Ren
- Department of General Surgery, the First Affiliated Hospital of Soochow University, 215006, Suzhou, China
| | - Weikang Li
- Department of General Surgery, the First Affiliated Hospital of Soochow University, 215006, Suzhou, China
| | - Gege Shu
- Department of General Surgery, the First Affiliated Hospital of Soochow University, 215006, Suzhou, China
| | - Jiaoyang Yang
- Department of General Surgery, the First Affiliated Hospital of Soochow University, 215006, Suzhou, China
| | - Yufeng Xie
- Department of Thoracic Surgery, the First Affiliated Hospital of Soochow University, 215006, Suzhou, China.
| | - Fuliang Qian
- Center for Systems Biology, Suzhou Medical College of Soochow University, 215123, Suzhou, China.
- Medical Center of Soochow University, 215123, Suzhou, China.
- Jiangsu Province Engineering Research Center of Precision Diagnostics and Therapeutics Development, Soochow University, 215123, Suzhou, China.
| | - Jin Zhou
- Department of General Surgery, the First Affiliated Hospital of Soochow University, 215006, Suzhou, China.
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2
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Bian X, Yin S, Yin X, Fang T, Wang Y, Yang S, Jiang X, Xue Y, Ye F, Zhang L. Clinical and Biological Significances of FBLN5 in Gastric Cancer. Cancers (Basel) 2023; 15:cancers15020553. [PMID: 36672502 PMCID: PMC9856449 DOI: 10.3390/cancers15020553] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 01/07/2023] [Accepted: 01/15/2023] [Indexed: 01/18/2023] Open
Abstract
Abnormal FBLN5 expression levels are related to various cancer types. This study is the first to explore its clinical and biological significances in gastric cancer (GC). We used The Cancer Genome Atlas-GC (TCGA-GC) and Gene Expression Omnibus (GEO) databases to identify the differential expression of FBLN5, and its association with clinical pathological characteristics was analyzed. A Kaplan-Meier plotter was used to calculate the impact of FBLN5 on GC patient prognosis, and the biological functions of FBLN5 were analyzed. In addition, we constructed a GC tissue microarray, and performed an immunohistochemical staining of FBLN5 to verify our findings. Western blotting was conducted simultaneously to confirm that FBLN5 was overexpressed in GC. We found that the high level of FBLN5 mRNA in GC was associated with a poor prognosis. High FBLN5 expression levels were significantly correlated with INFc and N3 lymph node metastasis. Univariate and multivariate analyses showed that FBLN5 expression levels and lymph node metastasis rate were independent risk factors related to GC patient prognosis, which can be combined to construct a nomogram to serve patients. Therefore, we believe that FBLN5 is significantly related to the poor prognosis of GC patients. FBLN5 is a valuable prognostic indicator to evaluate the prognosis of GC.
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Affiliation(s)
- Xiulan Bian
- Department of Pathology, Basic Medical Science College, Harbin Medical University, Harbin 150086, China
| | - Shengjie Yin
- Department of Medical Oncology, Municipal Hospital of Chifeng, Chifeng 024000, China
| | - Xin Yin
- Department of Gastroenterological Surgery, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin 150086, China
| | - Tianyi Fang
- Department of Gastroenterological Surgery, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin 150086, China
| | - Yufei Wang
- Department of Gastroenterological Surgery, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin 150086, China
| | - Shuo Yang
- Department of Pathology, Basic Medical Science College, Harbin Medical University, Harbin 150086, China
| | - Xinju Jiang
- Department of Pathology, Basic Medical Science College, Harbin Medical University, Harbin 150086, China
| | - Yingwei Xue
- Department of Gastroenterological Surgery, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin 150086, China
| | - Fei Ye
- Department of Pathology, Basic Medical Science College, Harbin Medical University, Harbin 150086, China
- Correspondence: (F.Y.); (L.Z.)
| | - Lei Zhang
- Department of Pathology, Basic Medical Science College, Harbin Medical University, Harbin 150086, China
- Correspondence: (F.Y.); (L.Z.)
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3
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Pozzi V, Campagna R, Sartini D, Emanuelli M. Nicotinamide N-Methyltransferase as Promising Tool for Management of Gastrointestinal Neoplasms. Biomolecules 2022; 12:biom12091173. [PMID: 36139012 PMCID: PMC9496617 DOI: 10.3390/biom12091173] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 08/21/2022] [Accepted: 08/23/2022] [Indexed: 12/24/2022] Open
Abstract
Gastrointestinal (GI) neoplasms include esophageal, gastric, colorectal, hepatic, and pancreatic cancers. They are characterized by asymptomatic behavior, being responsible for diagnostic delay. Substantial refractoriness to chemo- and radiotherapy, exhibited by late-stage tumors, contribute to determine poor patient outcome. Therefore, it is of outmost importance to identify new molecular targets for the development of effective therapeutic strategies. In this study, we focused on the enzyme nicotinamide N-methyltransferase (NNMT), which catalyzes the N-methylation reaction of nicotinamide and whose overexpression has been reported in numerous neoplasms, including GI cancers. The aim of this review was to report data illustrating NNMT involvement in these tumors, highlighting its contribution to tumor cell phenotype. Cited works clearly demonstrate the interesting potential use of enzyme level determination for both diagnostic and prognostic purposes. NNMT was also found to positively affect cell viability, proliferation, migration, and invasiveness, contributing to sustain in vitro and in vivo tumor growth and metastatic spread. Moreover, enzyme upregulation featuring tumor cells was significantly associated with enhancement of resistance to treatment with chemotherapeutic drugs. Taken together, these results strongly suggest the possibility to target NNMT for setup of molecular-based strategies to effectively treat GI cancers.
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Affiliation(s)
- Valentina Pozzi
- Department of Clinical Sciences, Polytechnic University of Marche, 60020 Ancona, Italy
| | - Roberto Campagna
- Department of Clinical Sciences, Polytechnic University of Marche, 60020 Ancona, Italy
| | - Davide Sartini
- Department of Clinical Sciences, Polytechnic University of Marche, 60020 Ancona, Italy
- Correspondence: ; Tel.: +39-071-2204673
| | - Monica Emanuelli
- Department of Clinical Sciences, Polytechnic University of Marche, 60020 Ancona, Italy
- New York-Marche Structural Biology Center (NY-MaSBiC), Polytechnic University of Marche, 60131 Ancona, Italy
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4
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Liu X, Liu F, Yu H, Zhang Q, Liu F. Development and Validation of a Prediction Model for Predicting the Prognosis of Postoperative Patients with Hepatocellular Carcinoma. Int J Gen Med 2022; 15:3625-3637. [PMID: 35411181 PMCID: PMC8994662 DOI: 10.2147/ijgm.s351265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 03/10/2022] [Indexed: 12/24/2022] Open
Affiliation(s)
- Xiaoliang Liu
- Department of General Surgery, The Affiliated Hospital of West Anhui Health Vocational College, Lu'an City, Anhui Province, People’s Republic of China
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital of Anhui Medical University, Hefei City, Anhui Province, People’s Republic of China
| | - Feng Liu
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital of Anhui Medical University, Hefei City, Anhui Province, People’s Republic of China
| | - Haifeng Yu
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital of Anhui Medical University, Hefei City, Anhui Province, People’s Republic of China
| | - Qiaoqian Zhang
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital of Anhui Medical University, Hefei City, Anhui Province, People’s Republic of China
| | - Fubao Liu
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital of Anhui Medical University, Hefei City, Anhui Province, People’s Republic of China
- Correspondence: Fubao Liu, Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Anhui Medical University, No. 218, Jixi Road, Hefei City, Anhui Province, People’s Republic of China, Tel +86 135 1566 2646, Email
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5
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Islam Khan MZ, Tam SY, Law HKW. Advances in High Throughput Proteomics Profiling in Establishing Potential Biomarkers for Gastrointestinal Cancer. Cells 2022; 11:973. [PMID: 35326424 PMCID: PMC8946849 DOI: 10.3390/cells11060973] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 03/05/2022] [Accepted: 03/08/2022] [Indexed: 12/24/2022] Open
Abstract
Gastrointestinal cancers (GICs) remain the most diagnosed cancers and accounted for the highest cancer-related death globally. The prognosis and treatment outcomes of many GICs are poor because most of the cases are diagnosed in advanced metastatic stages. This is primarily attributed to the deficiency of effective and reliable early diagnostic biomarkers. The existing biomarkers for GICs diagnosis exhibited inadequate specificity and sensitivity. To improve the early diagnosis of GICs, biomarkers with higher specificity and sensitivity are warranted. Proteomics study and its functional analysis focus on elucidating physiological and biological functions of unknown or annotated proteins and deciphering cellular mechanisms at molecular levels. In addition, quantitative analysis of translational proteomics is a promising approach in enhancing the early identification and proper management of GICs. In this review, we focus on the advances in mass spectrometry along with the quantitative and functional analysis of proteomics data that contributes to the establishment of biomarkers for GICs including, colorectal, gastric, hepatocellular, pancreatic, and esophageal cancer. We also discuss the future challenges in the validation of proteomics-based biomarkers for their translation into clinics.
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Affiliation(s)
| | | | - Helen Ka Wai Law
- Department of Health Technology and Informatics, Faculty of Health and Social Sciences, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China; (M.Z.I.K.); (S.Y.T.)
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6
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Xu D, Zhu X, Ren J, Huang S, Xiao Z, Jiang H, Tan Y. Quantitative proteomic analysis of cervical cancer based on TMT-labeled quantitative proteomics. J Proteomics 2022; 252:104453. [PMID: 34915198 DOI: 10.1016/j.jprot.2021.104453] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 11/26/2021] [Accepted: 12/01/2021] [Indexed: 12/18/2022]
Abstract
Cervical cancer is the second most common gynecological malignancy, which immensely threatens the well-being of women. However, the pathogenesis of cervical cancer is still unclear. Using tandem mass tags-labeled quantitative proteomic technology and bioinformatics tools, we analyzed the exfoliated cervical cells from the normal and cervical cancer groups to establish a cancer-specific protein profile, thereby identifying key proteins related to cervical oncogenesis. When compared with the normal group, a total of 351 differentially expressed proteins were identified in the cervical cancer group, including 247 up-regulated and 104 down-regulated proteins. Gene ontology function annotation revealed that the differentially expressed proteins were mainly involved in the single-multicellular organism process, multicellular organismal process, and negative regulation of biological process. These proteins were discerned to play a role in the extracellular membrane-bounded organelle, exosome of cell components, protein binding, structural molecule activity, and enzyme binding of molecular functions. The results of Kyoto Encyclopedia of Genes and Genomes signaling pathway enrichment proved that these differentially expressed proteins were mainly involved in PI3K - Akt, ECM-receptor interaction, complement and coagulation cascades, and other signaling pathways. Particularly, peroxiredoxin-2 may be involved in cervical tumor oncogenesis through inhibition of apoptosis signaling. SIGNIFICANCE: In this study, we determined that the proteins of the cervical cancer group exhibited qualitative and quantitative changes, and a total of 351 differentially expressed proteins were identified. The functions and signaling pathways of these differentially expressed proteins have laid a theoretical foundation for elucidating the molecular mechanism of cervical cancer.
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Affiliation(s)
- Dianqin Xu
- Affiliated Hospital of Guizhou Medical University, Guiyang 550004, Guizhou, China
| | - Xiaoyu Zhu
- Affiliated Hospital of Guizhou Medical University, Guiyang 550004, Guizhou, China
| | - Ji Ren
- School of Laboratory Medicine, Guizhou Medical University, Guiyang 550004, Guizhou, China
| | - Shan Huang
- School of Laboratory Medicine, Guizhou Medical University, Guiyang 550004, Guizhou, China
| | - Ziwen Xiao
- Affiliated Hospital of Guizhou Medical University, Guiyang 550004, Guizhou, China
| | - Hongmei Jiang
- School of Laboratory Medicine, Guizhou Medical University, Guiyang 550004, Guizhou, China
| | - Yujie Tan
- Affiliated Hospital of Guizhou Medical University, Guiyang 550004, Guizhou, China; School of Laboratory Medicine, Guizhou Medical University, Guiyang 550004, Guizhou, China.
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7
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Fraxetin Inhibits the Proliferation and Metastasis of Glioma Cells by Inactivating JAK2/STAT3 Signaling. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:5540139. [PMID: 33959183 PMCID: PMC8075667 DOI: 10.1155/2021/5540139] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Revised: 03/27/2021] [Accepted: 04/09/2021] [Indexed: 12/14/2022]
Abstract
Glioma is the most common brain tumor and is characterized by high mortality rates, high recurrence rates, and short survival time. Migration and invasion are the basic features of gliomas. Thus, inhibition of migration and invasion may be beneficial for the treatment of patients with glioma. Due to its antitumor activity and chemical reactivity, fraxetin has attracted extensive interest and has been proven to be an effective antitumor agent in various cancer types. However, currently, the potential effects of fraxetin on glioma have not been investigated. Here, we demonstrate that fraxetin can inhibit the proliferation, invasion, and migration of glioma and induce apoptosis of glioma cells in vitro and in vivo. Therefore, these findings establish fraxetin as a drug candidate for glioma treatment. Furthermore, fraxetin was able to effectively inhibit the JAK2/STAT3 signaling in glioma. In summary, our results show that fraxetin inhibits proliferation, invasion, and migration of glioma by inhibiting JAK2/STAT3 signaling and inducing apoptosis of glioma cells. The present study provides a solid basis for the development of new glioma therapies.
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8
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Zhang L, Song M, Zhang F, Yuan H, Chang W, Yu G, Niu Y. Accumulation of Nicotinamide N-Methyltransferase (NNMT) in Cancer-associated Fibroblasts: A Potential Prognostic and Predictive Biomarker for Gastric Carcinoma. J Histochem Cytochem 2021; 69:165-176. [PMID: 33283625 PMCID: PMC7905490 DOI: 10.1369/0022155420976590] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 11/06/2020] [Indexed: 02/05/2023] Open
Abstract
Nicotinamide N-methyltransferase (NNMT), a major metabolic regulator, has been identified as a predictor of cancer prognosis in ovarian and colorectal cancers. The study aims to evaluate the significance of stromal NNMT in gastric cancer (GC). Expression of stromal NNMT in 612 GC and 92 non-malignant tissues specimens was investigated by immunohistochemistry (IHC). The association between NNMT expression and occurrence of cancer or patient outcome was further analyzed, and the factors contributing to disease prognosis were evaluated by multiple Cox models. Stromal NNMT expression was higher in the malignant tissue (p<0.001). NNMT expression was significantly associated with GC stage (p=0.006). Compared to stromal "NNMT-low" cases, "NNMT-high" cases has lower disease-specific survival (hazard ratio [HR], 2.356; 95% confidence interval [CI] = 1.591-3.488; p<0.001) and disease-free survival (HR = 2.265; 95% CI = 1.529-3.354; p<0.001), as observed by multivariate Cox analysis after adjusting for stromal NNMT expression with other factors such as tumor grade and size. Notably, patients with stage II NNMT-low GC might be negatively affected by adjuvant chemotherapy, but lower stromal NNMT expression predicted a more favorable prognosis for GC. Our study confirmed that stromal NNMT expression is significantly increased in GC, which predicts an unfavorable post-operative prognosis for GC.
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Affiliation(s)
- Li Zhang
- Department of Pharmacology, Shantou University Medical College, Shantou, Guangdong, China
| | - Mengmeng Song
- Department of Epidemiology and Statistics, College of Public Health, Zhengzhou University, Zhengzhou, Henan, China
| | - Fan Zhang
- Department of Pharmacology, Shantou University Medical College, Shantou, Guangdong, ChinaDepartment of Environmental Health, Second Military Medical University, Shanghai, China
| | - Hao Yuan
- Department of Pharmacology, Shantou University Medical College, Shantou, Guangdong, ChinaDepartment of Environmental Health, Second Military Medical University, Shanghai, China
| | - Wenjun Chang
- Department of Pharmacology, Shantou University Medical College, Shantou, Guangdong, ChinaDepartment of Environmental Health, Second Military Medical University, Shanghai, China
| | - Guanyu Yu
- Department of Colorectal Surgery, The First Affiliated Hospital, Second Military Medical University, Shanghai, China
| | - Yongdong Niu
- Yongdong Niu, Department of Pharmacology, Shantou University Medical College, 22 Xin Ling Road, Shantou 515041, Guangdong, China. E-mail:
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9
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Progressive and Prognostic Performance of an Extracellular Matrix-Receptor Interaction Signature in Gastric Cancer. DISEASE MARKERS 2020; 2020:8816070. [PMID: 33178362 PMCID: PMC7647771 DOI: 10.1155/2020/8816070] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Revised: 07/15/2020] [Accepted: 09/22/2020] [Indexed: 12/18/2022]
Abstract
The role of an extracellular matrix- (ECM-) receptor interaction signature has not been fully clarified in gastric cancer. This study performed comprehensive analyses on the differentially expressed ECM-related genes, clinicopathologic features, and prognostic application in gastric cancer. The differentially expressed genes between tumorous and matched normal tissues in The Cancer Genome Atlas (TCGA) and validation cohorts were identified by a paired t-test. Consensus clusters were built to find the correlation between clinicopathologic features and subclusters. Then, the least absolute shrinkage and selection operator (lasso) method was used to construct a risk score model. Correlation analyses were made to reveal the relation between risk score-stratified subgroups and clinicopathologic features or significant signatures. In TCGA (26 pairs) and validation cohort (134 pairs), 25 ECM-related genes were significantly highly expressed and 11 genes were downexpressed in gastric cancer. ECM-based subclusters were slightly related to clinicopathologic features. We constructed a risk score model = 0.081∗log2 (CD36) + 0.043∗log2 (COL5A2) + 0.001∗log2 (ITGB5) + 0.039∗log2 (SDC2) + 0.135∗log2 (SV2B) + 0.012∗log2 (THBS1) + 0.068∗log2 (VTN) + 0.023∗log2 (VWF). The risk score model could well predict the outcome of patients with gastric cancer in both training (n = 351, HR: 1.807, 95% CI: 1.292-2.528, P = 0.00046) and validation (n = 300, HR: 1.866, 95% CI: 1.347-2.584, P = 0.00014) cohorts. Besides, risk score-based subgroups were associated with angiogenesis, cell adhesion molecules, complement and coagulation cascades, TGF-beta signaling, and mismatch repair-relevant signatures (P < 0.0001). By univariate (1.845, 95% CI: 1.382-2.462, P < 0.001) and multivariate (1.756, 95% CI: 1.284-2.402, P < 0.001) analyses, we regarded the risk score as an independent risk factor in gastric cancer. Our findings revealed that ECM compositions became accomplices in the tumorigenesis, progression, and poor survival of gastric cancer.
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10
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Wang B, Zheng J, Chen Q, Wu C, Li Y, Yu XY, Liu B, Liang C, Liu SB, Ding H, Wang S, Xue T, Song D, Lei Z, Amin HM, Song YH, Zhou J. CLIC4 abrogation promotes epithelial-mesenchymal transition in gastric cancer. Carcinogenesis 2020; 41:841-849. [PMID: 31560739 DOI: 10.1093/carcin/bgz156] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 09/04/2019] [Accepted: 09/23/2019] [Indexed: 12/15/2022] Open
Abstract
Chloride intracellular channel protein 4 (CLIC4) has been implicated in different types of cancers, but the role of CLIC4 in the development of gastric cancer (GC) remains unknown. We analyzed the expression of CLIC4 in 102 pairs of gastric adenocarcinomas by western blot and real-time PCR. Our data revealed that the expression of CLIC4 is reduced in GC tumor tissues compared with adjacent normal tissues. The expression levels of CLIC4 correlate inversely with the clinical stage of GC. CLIC4 expression is lowest in MKN45 cells, which have the highest tumorigenic potential and express the highest levels of cancer stem cell markers CD44 and OCT4, compared with N87 and AGS cells. Exogenous overexpression of CLIC4 downregulated the expression of CD44 and OCT4, and inhibited migration, invasion and epithelial-mesenchymal transition (EMT). Moreover, anchorage-independent growth of GC cells was decreased and the cells became more sensitive to 5-fluorouracil and etoposide treatment when CLIC4 was overexpressed. The ability of N87 cells to form tumors in nude mice was enhanced when CLIC4 was silenced. We, for the first time, demonstrate that CLIC4 suppresses tumor growth by inhibiting cancer cell stemness and EMT.
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Affiliation(s)
- Baolong Wang
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, P. R. China
| | - Jiqing Zheng
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, P. R. China
| | - Qiongyuan Chen
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, P. R. China
| | - Chaofan Wu
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, P. R. China
| | - Yangxin Li
- Department of Cardiovascular Surgery and Institute of Cardiovascular Science, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, P. R. China
| | - Xi-Yong Yu
- Key Laboratory of Molecular Clinical Pharmacology and Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Bin Liu
- Department of Cardiology, Second Hospital of Jilin University, Changchun, Jilin, P. R. China
| | - Chun Liang
- Department of Cardiology, Shanghai Changzheng Hospital, Second Military Medical University, Shanghai, P. R. China
| | - Song-Bai Liu
- Suzhou Vocational Health College, Suzhou Key Laboratory of Biotechnology for Laboratory Medicine, Suzhou, Jiangsu Province, China
| | - Hui Ding
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, P. R. China
| | - Shuochen Wang
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, P. R. China
| | - Ting Xue
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, P. R. China
| | - David Song
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, P. R. China
| | - Zhangni Lei
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, P. R. China
| | - Hesham M Amin
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Yao-Hua Song
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, P. R. China
| | - Jin Zhou
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou, P. R. China
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11
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Zhang Y, Ou M, Lin H, Lai L, Chen H, Chen J, Sui W, Xue W, Zhang R, Gan Q, Tang D, Sun X, Dong J, Yan Q, Dai Y. Proteomic analysis of differentially expressed proteins in the serum of patients with acute renal allograft rejection using iTRAQ labelling technology. Mol Med Rep 2020; 22:2329-2341. [PMID: 32705285 PMCID: PMC7411402 DOI: 10.3892/mmr.2020.11299] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Accepted: 04/07/2020] [Indexed: 12/24/2022] Open
Abstract
Transplantation is currently the best treatment for patients with end‑stage renal disease. However, acute rejection (AR) is the major source of failure in renal transplantation. The current best practice for the diagnosis of AR involves renal biopsy, but it is invasive, time‑consuming, costly and inconvenient. Sensitive and less invasive detection of AR episodes in renal transplant patients is essential to preserve allograft function. The present study applied isobaric tags for relative and absolute quantitation (iTRAQ) mass spectrometry to analyze serum protein expression in patients with AR and healthy controls. Overall, 1,399 proteins were identified. Using a cut‑off of Q<0.05 and a fold change of >1.2 for the variation in expression, 109 proteins were identified to be differentially expressed between the AR and control groups, 72 of which were upregulated and 37 were downregulated. Several proteins, including properdin, keratin 1, lipoprotein(a) and vitamin D‑binding protein, may have roles in the pathogenesis of AR. The present study focused on iTRAQ‑based proteomic profiling of serum samples in AR. Insight from the present study may help advance the understanding of the molecular mechanisms of AR and identify potential novel biomarkers of AR for further characterization.
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Affiliation(s)
- Yue Zhang
- Department of Nephrology, Guilin No. 924 Hospital, Guangxi Key Laboratory of Metabolic Diseases Research, Guilin Key Laboratory of Kidney Disease Research, Guilin, Guangxi 541002, P.R. China
| | - Minglin Ou
- Department of Nephrology, Guilin No. 924 Hospital, Guangxi Key Laboratory of Metabolic Diseases Research, Guilin Key Laboratory of Kidney Disease Research, Guilin, Guangxi 541002, P.R. China
| | - Hua Lin
- Department of Nephrology, Guilin No. 924 Hospital, Guangxi Key Laboratory of Metabolic Diseases Research, Guilin Key Laboratory of Kidney Disease Research, Guilin, Guangxi 541002, P.R. China
| | - Liusheng Lai
- Department of Nephrology, Guilin No. 924 Hospital, Guangxi Key Laboratory of Metabolic Diseases Research, Guilin Key Laboratory of Kidney Disease Research, Guilin, Guangxi 541002, P.R. China
| | - Huaizhou Chen
- Department of Nephrology, Guilin No. 924 Hospital, Guangxi Key Laboratory of Metabolic Diseases Research, Guilin Key Laboratory of Kidney Disease Research, Guilin, Guangxi 541002, P.R. China
| | - Jiejing Chen
- Department of Nephrology, Guilin No. 924 Hospital, Guangxi Key Laboratory of Metabolic Diseases Research, Guilin Key Laboratory of Kidney Disease Research, Guilin, Guangxi 541002, P.R. China
| | - Weiguo Sui
- Department of Nephrology, Guilin No. 924 Hospital, Guangxi Key Laboratory of Metabolic Diseases Research, Guilin Key Laboratory of Kidney Disease Research, Guilin, Guangxi 541002, P.R. China
| | - Wen Xue
- Department of Nephrology, Guilin No. 924 Hospital, Guangxi Key Laboratory of Metabolic Diseases Research, Guilin Key Laboratory of Kidney Disease Research, Guilin, Guangxi 541002, P.R. China
| | - Ruohan Zhang
- Department of Nephrology, Guilin No. 924 Hospital, Guangxi Key Laboratory of Metabolic Diseases Research, Guilin Key Laboratory of Kidney Disease Research, Guilin, Guangxi 541002, P.R. China
| | - Qing Gan
- Department of Nephrology, Guilin No. 924 Hospital, Guangxi Key Laboratory of Metabolic Diseases Research, Guilin Key Laboratory of Kidney Disease Research, Guilin, Guangxi 541002, P.R. China
| | - Donge Tang
- Department of Clinical Medical Research Center, The Second Clinical Medical College of Jinan University (Shenzhen People's Hospital), Shenzhen, Guangdong 518020, P.R. China
| | - Xuyong Sun
- Department of Organ Transplantation, Institute of Transplant Medicine, No. 923 Hospital of People's Liberation Army, Guangxi Key Laboratory for Transplantation Medicine, Guangxi Transplantation Medicine Research Center of Engineering Technology, Nanning, Guangxi 530021, P.R. China
| | - Jianhui Dong
- Department of Organ Transplantation, Institute of Transplant Medicine, No. 923 Hospital of People's Liberation Army, Guangxi Key Laboratory for Transplantation Medicine, Guangxi Transplantation Medicine Research Center of Engineering Technology, Nanning, Guangxi 530021, P.R. China
| | - Qiang Yan
- Department of Nephrology, Guilin No. 924 Hospital, Guangxi Key Laboratory of Metabolic Diseases Research, Guilin Key Laboratory of Kidney Disease Research, Guilin, Guangxi 541002, P.R. China
| | - Yong Dai
- Department of Nephrology, Guilin No. 924 Hospital, Guangxi Key Laboratory of Metabolic Diseases Research, Guilin Key Laboratory of Kidney Disease Research, Guilin, Guangxi 541002, P.R. China
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Wu C, Ding H, Wang S, Li Y, Liu SB, Wang X, Zheng J, Xue T, Amin HM, Song YH, Zhou J. DAXX inhibits cancer stemness and epithelial-mesenchymal transition in gastric cancer. Br J Cancer 2020; 122:1477-1485. [PMID: 32203224 PMCID: PMC7217831 DOI: 10.1038/s41416-020-0800-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 02/24/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND DAXX is a transcription repressor that has been implicated in several types of cancers, but its role in the development of gastric cancer remains unknown. METHODS We analysed the expression of DAXX in 83 pairs of gastric cancer samples, including neoplastic and adjacent tissues, and correlated the expression levels with clinical stages. We also investigated the molecular mechanisms by which DAXX downregulation promotes cancer growth using both in vitro and in vivo models. RESULTS DAXX was downregulated in advanced gastric cancer samples. The expression of DAXX inversely correlates with that of cancer stem cell markers CD44 and Oct4 in gastric cancer lines. DAXX overexpression in gastric cancer cells inhibited migration, invasion and epithelial- mesenchymal transition (EMT). The inhibition of EMT was achieved through the repression of SNAI3, a key inducer of EMT, by recruiting HDAC-1 into the nucleus. Using a xenograft mouse model, we demonstrated that the MKN45 cells formed smaller tumours when DAXX was overexpressed. Wild-type AGS cells were not able to form tumours in nude mice, but in contrast, formed visible tumours when DAXX was silenced in the cells. CONCLUSION We for the first time demonstrated that DAXX functions as a tumour suppressor in gastric cancer by inhibiting stem cell growth and EMT.
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Affiliation(s)
- Chaofan Wu
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, P. R. China
| | - Hui Ding
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, P. R. China
| | - Shuochen Wang
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, P. R. China
| | - Yangxin Li
- Department of Cardiovascular Surgery & Institute of Cardiovascular Science, First Affiliated Hospital of Soochow University, 215123, Suzhou, Jiangsu, P. R. China
| | - Song-Bai Liu
- Suzhou Vocational Health College, Suzhou Key Laboratory of Biotechnology for Laboratory Medicine, Suzhou, 215009, Jiangsu Province, China
| | - Xiaoxiao Wang
- Suzhou Vocational Health College, Suzhou Key Laboratory of Biotechnology for Laboratory Medicine, Suzhou, 215009, Jiangsu Province, China
| | - Jiqing Zheng
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, P. R. China
| | - Ting Xue
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, P. R. China
| | - Hesham M Amin
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, TX, USA
| | - Yao-Hua Song
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, P. R. China.
| | - Jin Zhou
- Department of General Surgery, the First Affiliated Hospital of Soochow University, Suzhou, P. R. China.
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Wang Q, Li M, Gan Y, Jiang S, Qiao J, Zhang W, Fan Y, Shen Y, Song Y, Meng Z, Yao M, Gu J, Zhang Z, Tu H. Mitochondrial Protein UQCRC1 is Oncogenic and a Potential Therapeutic Target for Pancreatic Cancer. Theranostics 2020; 10:2141-2157. [PMID: 32089737 PMCID: PMC7019160 DOI: 10.7150/thno.38704] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Accepted: 11/24/2019] [Indexed: 12/17/2022] Open
Abstract
Purpose: Pancreatic ductal adenocarcinoma (PDAC) is a malignant disease with a poor prognosis. One prominent aspect of PDAC that contributes to its aggressive behavior is its altered cellular metabolism. The aim of this study was to characterize the oncogenic effects of ubiquinol-cytochrome c reductase core protein I (UQCRC1), a key component of mitochondrial complex III, in PDAC development and to assess its potential as a therapeutic target for PDAC. Experimental Design: The expression of UQCRC1 in human PDAC tissues and p48-Cre/p53Flox/WT/LSL-KrasG12D (KPC) mouse pancreatic intraepithelial neoplasias (PanINs) was determined by immunohistochemistry. The role of UQCRC1 in promoting PDAC growth was evaluated in vitro in PANC-1 and CFPAC-1 cells and in vivo in transplanted mouse models of PDAC. Extracellular flux and RNA-Seq analyses were applied to investigate the mechanism of UQCRC1 in the regulation of mitochondrial metabolism and PDAC cell growth. The therapeutic potential of UQCRC1 in PDAC was assessed by knockdown of UQCRC1 using an RNA interference approach. Results: UQCRC1 expression showed a gradual increase during the progression from PanIN stages to PDAC in KPC mice. Elevated expression of UQCRC1 was observed in 72.3% of PDAC cases and was correlated with poor prognosis of the disease. UQCRC1 promoted PDAC cell growth in both in vitro experiments and in vivo subcutaneous and orthotopic mouse models. UQCRC1 overexpression resulted in increased mitochondrial oxidative phosphorylation (OXPHOS) and ATP production. The overproduced ATP was released into the extracellular space via the pannexin 1 channel and then functioned as an autocrine or paracrine agent to promote cell proliferation through the ATP/P2Y2-RTK/AKT axis. UQCRC1 knockdown or ATP release blockage could effectively inhibit PDAC growth. Conclusion: UQCRC1 has a protumor function and may serve as a potential prognostic marker and therapeutic target for PDAC.
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Zhao X, Wang Q, Lin F, Wang X, Wang Y, Wang J, Wang C. RNA Sequencing of Osteosarcoma Gene Expression Profile Revealed that miR-214-3p Facilitates Osteosarcoma Cell Proliferation via Targeting Ubiquinol-Cytochrome c Reductase Core Protein 1 (UQCRC1). Med Sci Monit 2019; 25:4982-4991. [PMID: 31276465 PMCID: PMC6626500 DOI: 10.12659/msm.917375] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Background Osteosarcoma (OS) is a common primary malignant bone tumor for which the molecular mechanisms remain unclear. Studies on coding and non-coding RNAs are needed to determine the molecular mechanism. Material/Methods To explore the potential roles of miRNAs and mRNA in OS, we determined the miRNA and mRNA expression profile of 3 pairs of OS and paracancerous tissues from patients with OS by sequencing and bioinformatics analysis. The expression levels of critical miRNAs and mRNAs were verified in 10 pairs of OS and paracancerous tissues. An miRNA inhibitor and mimics were used to investigate the interactions between miRNAs and target genes. The cell counting kit-8 assay was performed to evaluate OS cell proliferation after miRNA interference. Results A total of 184 miRNAs and 2501 mRNAs were identified (fold-change >2.0 or <2.0, P<0.05), with up-regulation of 82 miRNAs and 1320 mRNAs and down-regulation of 102 miRNAs and 1181 mRNAs in OS tissue. The protein protein interaction network revealed that UQCRC1 (ubiquinol-cytochrome c reductase core protein 1) is a critical gene and a potential target gene of miR-214-3p. Both UQCRC1 and miR-214-3p were significantly differentially expressed in OS tissue and cell lines (down and up-regulated, respectively). Down-regulated miR-214-3p expression increased UQCRC1 expression and suppressed OS cell proliferation. In contrast, overexpression of miR-214-3p decreased UQCRC1 expression and promoted OS cell proliferation. Conclusions High miR-214-3p expression may promote OS cell proliferation by targeting UQCRC1, providing insight into a potential therapeutic target for preventing and treating OS.
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Affiliation(s)
- Xin Zhao
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, Jilin, China (mainland)
| | - Qingyu Wang
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, Jilin, China (mainland)
| | - Feifei Lin
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, Jilin, China (mainland)
| | - Xiaonan Wang
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, Jilin, China (mainland)
| | - Yanbing Wang
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, Jilin, China (mainland)
| | - Jincheng Wang
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, Jilin, China (mainland)
| | - Chenyu Wang
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, Jilin, China (mainland)
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15
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Li W, Wubulikasimu G, Zhao X, Wang C, Liu R, Wang L, Zhu X, Chen Z. UQCRC1 downregulation is correlated with lymph node metastasis and poor prognosis in CRC. Eur J Surg Oncol 2019; 45:1005-1010. [PMID: 30842031 DOI: 10.1016/j.ejso.2019.02.025] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 02/10/2019] [Accepted: 02/19/2019] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Mitochondrial dysfunction is common in cancer. UQCRC1 is a nuclear-encoded protein localized to the inner mitochondrial membrane; however, little is known about it in colorectal cancer (CRC). The purpose of this study was to investigate the expression pattern and the possible clinical significance of UQCRC1 in CRC. METHODS A total of 197 patients with CRC were enrolled in this study. Immunohistochemistry was used to evaluate the expression pattern of UQCRC1. The relationship between UQCRC1 and clinical characteristics, especially lymph node metastasis, was also assessed. In addition, we evaluated the significance of UQCRC1 in the prognosis for CRC patients. RESULTS UQCRC1 was downregulated in 28.9% (57/197) of human CRCs. Downregulation of UQCRC1 was correlated with increased lymph node metastasis (p < 0.001) and decreased disease-free survival (DFS) and overall survival (OS). Multivariate analysis revealed that downregulation of UQCRC1 was an independent prognostic factor both for DFS (HR 3.009; 95% CI: 1.613-8.548, P = 0.009) and OS (HR 4.062; 95% CI: 2.835-8.910, P = 0.001). In addition, downregulation of UQCRC1 was correlated with increased VEGF-C expression (P = 0.002). CONCLUSION UQCRC1 was downregulated in human CRC. Downregulation of UQCRC1 was correlated with increased lymph node metastasis and finally associated with decreased survival in CRC.
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Affiliation(s)
- Wenhua Li
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, 270 Dong An Road, Shanghai, 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, 130 Dong An Road, Shanghai, 200032, China
| | - Gulinaizaier Wubulikasimu
- Department of Oncology, Kashgar Prefecture Second People's Hospital of Kashi, 844000, Xinjiang, China
| | - Xiaoying Zhao
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, 270 Dong An Road, Shanghai, 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, 130 Dong An Road, Shanghai, 200032, China
| | - Chenchen Wang
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, 270 Dong An Road, Shanghai, 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, 130 Dong An Road, Shanghai, 200032, China
| | - Rujiao Liu
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, 270 Dong An Road, Shanghai, 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, 130 Dong An Road, Shanghai, 200032, China
| | - Lei Wang
- Department of Oncology, Kashgar Prefecture Second People's Hospital of Kashi, 844000, Xinjiang, China.
| | - Xiaodong Zhu
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, 270 Dong An Road, Shanghai, 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, 130 Dong An Road, Shanghai, 200032, China.
| | - Zhiyu Chen
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, 270 Dong An Road, Shanghai, 200032, China; Department of Oncology, Shanghai Medical College, Fudan University, 130 Dong An Road, Shanghai, 200032, China; Department of Oncology, Kashgar Prefecture Second People's Hospital of Kashi, 844000, Xinjiang, China.
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iTRAQ analysis of a mouse acute myocardial infarction model reveals that vitamin D binding protein promotes cardiomyocyte apoptosis after hypoxia. Oncotarget 2017; 9:1969-1979. [PMID: 29416745 PMCID: PMC5788613 DOI: 10.18632/oncotarget.23025] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Accepted: 09/03/2017] [Indexed: 12/16/2022] Open
Abstract
The proteome profile changes after acute myocardial infarction (AMI) and the roles played by important protein species remain poorly understood. Here, we constructed a mouse AMI model by ligating the left coronary artery of male C57B/6J mice to investigate the molecular changes after AMI on the protein level. Total proteins of the left ventricle were extracted and quantitatively analyzed by isobaric tags using relative and absolute quantitation (iTRAQ) technologies. The transcript and protein levels of important genes were further validated using quantitative polymerase chain reaction and western blot. An oxygen and glucose deprivation/reperfusion cell model was constructed using H9C2 cells to further validate the expression patterns and functions of important proteins after hypoxia. Seven hundred seventy-six proteins were identified as differentially abundant proteins after AMI, of which 406 were accumulated, and 370 were reduced. Gene ontology enrichment analysis showed that the most enriched molecular function category terms were binding, including calcium ion biding, GTP binding, actin binding and lipid binding. The expression levels of vitamin D binding protein (VDBP) and its related proteins were increased in both left ventricular tissue and H9C2 cells after ischemia-hypoxia. Overexpression of VDBP in H9C2 cells reduced vitamin D receptor and promoted the cell apoptosis rate after hypoxia. Our data provided new insights into proteome profile changes after AMI and indicated that VDBP could promote cardiomyocyte apoptosis after hypoxia.
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Identification of MST1 as a potential early detection biomarker for colorectal cancer through a proteomic approach. Sci Rep 2017; 7:14265. [PMID: 29079854 PMCID: PMC5660227 DOI: 10.1038/s41598-017-14539-x] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Accepted: 10/12/2017] [Indexed: 02/08/2023] Open
Abstract
Colorectal cancer (CRC) is a common malignant neoplasm worldwide. It is important to identify new biomarkers for the early detection of CRC. In this study, magnetic beads and the Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) platform were used to analyse CRC and healthy control (HC) serum samples. The CRC diagnosis pattern was established to have a specificity of 94.7% and sensitivity of 92.3% in a blind test. The candidate biomarker serine/threonine kinase 4 (STK4, also known as MST1) was identified by Tandem mass spectrometry (MS/MS) and verified with western blotting and enzyme-linked immunosorbent assay (ELISA). The results indicated that there was a higher concentration of MST1 in HC subjects than stage I CRC patients for the early detection of CRC and a lower concentration in stage IV patients than in other CRC patients. The sensitivity and specificity of MST1 combined with carcinoembryonic antigen (CEA) and faecal occult blood test (FOBT) in diagnosis of colorectal cancer were 92.3% and 100%, respectively. Additionally, low MST1 expression was associated with the poor prognosis. These results illustrate that MST1 is a potential biomarker for early detection, prognosis and prediction of distant metastasis of CRC.
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Different Cellular Response of Human Mesothelial Cell MeT-5A to Short-Term and Long-Term Multiwalled Carbon Nanotubes Exposure. BIOMED RESEARCH INTERNATIONAL 2017; 2017:2747215. [PMID: 28929108 PMCID: PMC5591928 DOI: 10.1155/2017/2747215] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Revised: 06/15/2017] [Accepted: 07/05/2017] [Indexed: 12/14/2022]
Abstract
Despite being a commercially important product, multiwalled carbon nanotubes (MWCNTs) continue to raise concerns over human health due to their structural similarity to asbestos. Indeed, exposure to MWCNT has been shown to induce lung cancer and even mesothelioma, but contradictory results also exist. To clarify the potentially carcinogenic effects of rigid and rod-like MWCNT and to elucidate the underlying mechanisms, the effects of MWCNT on human mesothelial cell MeT-5A were examined throughout 3 months of continuous exposure, including cytotoxicity, genotoxicity, and cell motility. It was found that MWCNT did not affect MeT-5A cell proliferation at 10 μg/cm2 within 72 h treatment, but under the same condition, MWCNT induced genotoxicity and perturbed cell motility. In addition, MeT-5A cells demonstrated different cellular responses to MWCNT after short-term and long-term exposure. Taken together, our results indicated a possible carcinogenic potential for MWCNT after long-term treatment, in which Annexin family proteins might be involved.
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