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Ozge Z, Sevil K, Ahmet Y, Hülya A, Sema A. Stathmin 1 and p53 Expression in Cutaneous Squamous Cell Carcinoma and Precursor Lesions. Am J Dermatopathol 2023; 45:170-175. [PMID: 36749137 DOI: 10.1097/dad.0000000000002381] [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: 10/23/2022] [Accepted: 12/04/2022] [Indexed: 02/08/2023]
Abstract
ABSTRACT Studies on the relationship between stathmin 1 (STMN1) and cutaneous squamous cell carcinoma (cSCC) are limited. We aimed to evaluate the relationship between clinicopathological factors and STMN1 and p53 expressions in cSCC and compare them with those in the precursor lesions of cSCC and normal tissue. A total of 195 patients, followed between January 2014 and December 2021, with diagnoses of primary cSCC (n = 129), in situ cSCC (n = 20), or actinic keratosis (n = 46), as well as 29 histopathologically normal tissue samples, were included in the study. Immunohistochemical staining for STMN1 and p53 was performed. In the cSCC group, STMN1 scores were higher in poorly differentiated ( P = 0.001) and ulcerated ( P < 0.001) tumors. A linear relationship between STMN1 score and tumor area, tumor thickness, and mitosis was found ( P = 0.001, P = 0.003, and P < 0.001, respectively). There was no statistically significant correlation between STMN1 and p53 scores. Our results support the previous view that STMN1 may be associated with some adverse clinicopathological and high-risk features of cSCC. To the best of our knowledge, this is the first and largest study to investigate STMN1 expression in cSCC, precancerous lesions of cSCC, and normal tissues.
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Affiliation(s)
- Zorlu Ozge
- Tekirdağ Namık Kemal University School of Medicine, Department of Dermatology and Venereology, Tekirdağ, Turkey
| | - Karabağ Sevil
- Tekirdağ Namık Kemal University School of Medicine, Department of Pathology, Tekirdağ, Turkey; and
| | - Yolcu Ahmet
- Tekirdağ Namık Kemal University School of Medicine, Department of Radiation Oncology, Tekirdağ, Turkey
| | - Albayrak Hülya
- Tekirdağ Namık Kemal University School of Medicine, Department of Dermatology and Venereology, Tekirdağ, Turkey
| | - Aytekin Sema
- Tekirdağ Namık Kemal University School of Medicine, Department of Dermatology and Venereology, Tekirdağ, Turkey
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Manzoor Y, Hasan M, Zafar A, Dilshad M, Ahmed MM, Tariq T, Hassan SG, Hassan SG, Shaheen A, Caprioli G, Shu X. Incubating Green Synthesized Iron Oxide Nanorods for Proteomics-Derived Motif Exploration: A Fusion to Deep Learning Oncogenesis. ACS OMEGA 2022; 7:47996-48006. [PMID: 36591177 PMCID: PMC9798745 DOI: 10.1021/acsomega.2c05948] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 11/23/2022] [Indexed: 06/17/2023]
Abstract
The nanotechnological arena has revolutionized the diagnostic efficacies by investigating the protein corona. This displays provoking proficiencies in determining biomarkers and diagnostic fingerprints for early detection and advanced therapeutics. The green synthesized iron oxide nanoparticles were prepared via Withania coagulans and were well characterized using UV-visible spectroscopy, X-ray diffraction analysis, Fourier transform infrared spectroscopy, and nano-LC mass spectrophotometry. Iron oxides were rod-shaped with an average size of 17.32 nm and have crystalline properties. The as-synthesized nanotool mediated firm nano biointeraction with the proteins in treatment with nine different cancers. The resultant of the proteome series was filtered oddly that highlighted the variant proteins within the differentially expressed proteins on behalf of nano-bioinformatics. Further magnification focused on S13_N, RS15, RAB, and 14_3_3 domains and few abundant motifs that aid scanning biomarkers. The entire set of variant proteins contracting to common proteins elucidates the underlining mechanical proteins that are marginally assessed using the robotic nanotechnology. Additionally, the iron rods indirectly possess a prognostic effect in manipulating expression of proteins through a smarter route. Thereby, such biologically designed nanotools provide a dual approach for medical studies.
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Affiliation(s)
- Yasmeen Manzoor
- Department
of Biotechnology, The Institute of Biochemistry, Biotechnology and
Bioinformatics, The Islamia University of
Bahawalpur, Bahawalpur 63100, Pakistan
| | - Murtaza Hasan
- Department
of Biotechnology, The Institute of Biochemistry, Biotechnology and
Bioinformatics, The Islamia University of
Bahawalpur, Bahawalpur 63100, Pakistan
- College of
Chemistry and Chemical Engineering, Zhongkai
Agriculture University and Engineering Guangzhou, Guangzhou 510225, PR China
| | - Ayesha Zafar
- Department
of Biotechnology, The Institute of Biochemistry, Biotechnology and
Bioinformatics, The Islamia University of
Bahawalpur, Bahawalpur 63100, Pakistan
- Department
of Biomedical Engineering, College of Future Technology, Peking University, Beijing 510225, PR China
| | - Momina Dilshad
- Department
of Biotechnology, The Institute of Biochemistry, Biotechnology and
Bioinformatics, The Islamia University of
Bahawalpur, Bahawalpur 63100, Pakistan
| | - Muhammad Mahmood Ahmed
- Department
of Bioinformatics, The Institute of Biochemistry, Biotechnology and
Bioinformatics, The Islamia University of
Bahawalpur, Bahawalpur 63100, Pakistan
| | - Tuba Tariq
- Department
of Biotechnology, The Institute of Biochemistry, Biotechnology and
Bioinformatics, The Islamia University of
Bahawalpur, Bahawalpur 63100, Pakistan
| | - Shahzad Gul Hassan
- National
Institute of Cardiovascular Diseases (NICVD) Cantonment, Karachi 75510, Pakistan
| | - Shahbaz Gul Hassan
- College
of Information Science and Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Aqeela Shaheen
- Deaprtment
of Chemistry, Govt, Sadiq College Women
University, Bahawalpur 63100, Pakistan
| | - Giovanni Caprioli
- Chemistry
Interdisciplinary Project (CHip), School of Pharmacy, University of Camerino, Via Madonna delle Carceri, Camerino 62032, Italy
| | - Xugang Shu
- College of
Chemistry and Chemical Engineering, Zhongkai
Agriculture University and Engineering Guangzhou, Guangzhou 510225, PR China
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Yuan P, Song J, Wang F, Chen B. Exosome-transmitted circ_002136 promotes hepatocellular carcinoma progression by miR-19a-3p/RAB1A pathway. BMC Cancer 2022; 22:1284. [PMID: 36476239 PMCID: PMC9730599 DOI: 10.1186/s12885-022-10367-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Accepted: 11/24/2022] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Circular RNAs (circRNAs) are enriched in exosomes and are extremely stable. Exosome-mediated intercellular transfer of specific biologically active circRNA molecules can drive the transformation of the tumor microenvironment and accelerate or inhibit the local spread and multifocal growth of hepatocellular carcinoma (HCC). In this study, we explored in depth about the biological roles of HCC cell-derived exosomes and exosome-transported circRNAs on HCC in vivo and in vitro. METHODS Exosomes extracted from HCC cells (Huh7 and HA22T) were characterized using transmission electron microscopy, nanoparticle size tracer analysis, and western blotting. Exosomes were observed for endocytosis using fluorescent labeling. The effects of HCC cell-derived exosomes and the circ_002136 they carried on cell growth, metastasis and apoptosis were determined by CCK-8 assay, transwell assay, flow cytometry analysis and TUNEL staining, respectively. The expressions of circ_002136, miR-19a-3p and RAB1A were detected by quantitative RT-PCR (qRT-PCR). Targeted binding between miR-19a-3p and circ_002136 or RAB1A was predicted and verified by bioinformatics analysis, dual-luciferase reporter and RNA pull-down experiments. The in vivo effect of circ_002136 was determined by constructing a xenograft tumor model. RESULTS The findings revealed that Huh7 and HA22T exosomes conferred enhanced viability as well as invasive ability to recipient HCC cells. Circ_002136 was shown for the first time to be differentially upregulated in HCC tissues and cells and transferred by HCC cell-derived exosomes. More importantly, selective silencing of circ_002136 depleted the malignant biological behaviors of HCC exosome-activated Huh7 and HA22T cells. Depletion of circ_002136 in vivo effectively retarded the growth of HCC xenograft tumors. Furthermore, a well-established circ_002136 ceRNA regulatory network was constructed, namely circ_002136 blocked miR-19a-3p expression, elevated RAB1A expression activity and stimulated HCC development. Finally, high levels of circ_002136 or RAB1A, as well as low levels of miR-19a-3p, negatively affected HCC patient survival. CONCLUSION The study on circ_002136 provides good data to support our insight into the mechanism of to-be-silenced circRNA as a therapeutic agent in the progression of HCC.
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Affiliation(s)
- Peng Yuan
- grid.263826.b0000 0004 1761 0489Department of Hematology and Oncology (Key Discipline of Jiangsu Medicine), Medical School, Zhongda Hospital, Southeast University, Dingjiaqiao No.87, Gulou District, 210009 Nanjing, Jiangsu Nanjing, People’s Republic of China ,Interventional Vascular Department, Jianhu People’s Hospital, Yancheng, Jiangsu China
| | - Jinhua Song
- grid.412676.00000 0004 1799 0784Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu China
| | - Fei Wang
- grid.263826.b0000 0004 1761 0489Department of Hematology and Oncology (Key Discipline of Jiangsu Medicine), Medical School, Zhongda Hospital, Southeast University, Dingjiaqiao No.87, Gulou District, 210009 Nanjing, Jiangsu Nanjing, People’s Republic of China
| | - Baoan Chen
- grid.263826.b0000 0004 1761 0489Department of Hematology and Oncology (Key Discipline of Jiangsu Medicine), Medical School, Zhongda Hospital, Southeast University, Dingjiaqiao No.87, Gulou District, 210009 Nanjing, Jiangsu Nanjing, People’s Republic of China
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Spano D, Colanzi A. Golgi Complex: A Signaling Hub in Cancer. Cells 2022; 11:1990. [PMID: 35805075 PMCID: PMC9265605 DOI: 10.3390/cells11131990] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 06/17/2022] [Accepted: 06/19/2022] [Indexed: 02/01/2023] Open
Abstract
The Golgi Complex is the central hub in the endomembrane system and serves not only as a biosynthetic and processing center but also as a trafficking and sorting station for glycoproteins and lipids. In addition, it is an active signaling hub involved in the regulation of multiple cellular processes, including cell polarity, motility, growth, autophagy, apoptosis, inflammation, DNA repair and stress responses. As such, the dysregulation of the Golgi Complex-centered signaling cascades contributes to the onset of several pathological conditions, including cancer. This review summarizes the current knowledge on the signaling pathways regulated by the Golgi Complex and implicated in promoting cancer hallmarks and tumor progression.
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Affiliation(s)
- Daniela Spano
- Institute of Biochemistry and Cell Biology, National Research Council, Via Pietro Castellino 111, 80131 Naples, Italy
| | - Antonino Colanzi
- Institute for Endocrinology and Experimental Oncology “G. Salvatore”, National Research Council, 80131 Naples, Italy;
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5
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Rab1A promotes IL-4R/JAK1/STAT6-dependent metastasis and determines JAK1 inhibitor sensitivity in non-small cell lung cancer. Cancer Lett 2021; 523:182-194. [PMID: 34627950 DOI: 10.1016/j.canlet.2021.10.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 09/12/2021] [Accepted: 10/05/2021] [Indexed: 12/18/2022]
Abstract
Rab1A overexpression has been observed in several cancer types, however, its significance and the underlying mechanisms in non-small cell lung cancer (NSCLC) remain largely unexplored. This study demonstrated that Rab1A overexpression in NSCLC was significantly correlated to short survival and metastasis. Rab1A overexpression promoted cancer cell migration, invasion, and metastasis both in vitro and in vivo, by activating JAK1/STAT6 signaling through stabilizing IL-4Rα protein. Strikingly, high Rab1A level was associated with sensitivity to JAK1 inhibitor, and Rab1A overexpression rendered cancer cells vulnerable to JAK1-targeted agents. JAK1 inhibitor, Itacitinib adipate, dramatically inhibited high Rab1A NSCLC metastasis, in both cell line and patient derived xenograft models. Collectively, these findings demonstrated that Rab1A plays a critical role in the aggressive properties of NSCLC, revealing a unique mechanism by which it promotes metastasis. In addition, we found that Rab1A is a determinant of JAK1 inhibitor sensitivity, which could be explored for improving JAK1-targeted cancer therapy.
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Mutavhatsindi H, Calder B, McAnda S, Malherbe ST, Stanley K, Kidd M, Walzl G, Chegou NN. Identification of novel salivary candidate protein biomarkers for tuberculosis diagnosis: A preliminary biomarker discovery study. Tuberculosis (Edinb) 2021; 130:102118. [PMID: 34371310 DOI: 10.1016/j.tube.2021.102118] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 07/28/2021] [Accepted: 08/03/2021] [Indexed: 11/18/2022]
Abstract
BACKGROUND There is an urgent need for new, accurate, rapid, and affordable tuberculosis (TB) diagnostic tests. The aim of the present study was to use mass spectrometry to identify new preliminary candidate TB diagnostic protein biomarkers in saliva obtained from individuals with TB, and patients with other respiratory diseases (ORD). METHODS Saliva samples were collected from 22 individuals who self-presented with symptoms suggestive of TB as part of a larger TB biomarker project. Purified salivary proteins were subjected to tryptic digestion peptides were analyzed using a QExactive Orbitrap Mass Spectrometer. Data are available via ProteomeXchange with identifier PXD027294. Identified proteins were subjected to gene ontology and ingenuity pathway analysis for functional enrichment analysis. RESULTS 26 of the 652 identified proteins significantly discriminated individuals with TB from those with ORD after Benjamini Hochberg correction (5% FDR), with five of these proteins diagnosing TB with an AUC ≥ 0.80. A 5-protein biosignature comprising of P01011, Q8NCW5, P28072, A0A2Q2TTZ9, and Q99574 diagnosed TB with an AUC of 1.00 (95% CI, 1.00-1.00), sensitivity of 100% (95% CI, 76.2-100%) and specificity of 90.9% (95% CI, 58.7-99.8%) after leave-one-out cross validation. CONCLUSIONS We identified novel candidate salivary protein biomarkers and biosignatures with strong potential as TB diagnostic candidates. Our results are preliminary and require validation in larger studies.
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Affiliation(s)
- Hygon Mutavhatsindi
- DSI-NRF Centre of Excellence for Biomedical Tuberculosis Research; South African Medical Research Council Centre for Tuberculosis Research, Division of Molecular Biology and Human Genetics, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Stellenbosch University, P.O. Box 241, Cape Town, 8000, South Africa.
| | - Bridget Calder
- Division of Chemical & Systems Biology, Department of Integrative Biomedical Sciences, Faculty of Health Sciences, University of Cape Town, South Africa
| | - Shirley McAnda
- DSI-NRF Centre of Excellence for Biomedical Tuberculosis Research; South African Medical Research Council Centre for Tuberculosis Research, Division of Molecular Biology and Human Genetics, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Stellenbosch University, P.O. Box 241, Cape Town, 8000, South Africa
| | - Stephanus T Malherbe
- DSI-NRF Centre of Excellence for Biomedical Tuberculosis Research; South African Medical Research Council Centre for Tuberculosis Research, Division of Molecular Biology and Human Genetics, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Stellenbosch University, P.O. Box 241, Cape Town, 8000, South Africa
| | - Kim Stanley
- DSI-NRF Centre of Excellence for Biomedical Tuberculosis Research; South African Medical Research Council Centre for Tuberculosis Research, Division of Molecular Biology and Human Genetics, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Stellenbosch University, P.O. Box 241, Cape Town, 8000, South Africa
| | - Martin Kidd
- Centre for Statistical Consultation, Department of Statistics and Actuarial Sciences, Stellenbosch University, Cape Town, South Africa
| | - Gerhard Walzl
- DSI-NRF Centre of Excellence for Biomedical Tuberculosis Research; South African Medical Research Council Centre for Tuberculosis Research, Division of Molecular Biology and Human Genetics, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Stellenbosch University, P.O. Box 241, Cape Town, 8000, South Africa
| | - Novel N Chegou
- DSI-NRF Centre of Excellence for Biomedical Tuberculosis Research; South African Medical Research Council Centre for Tuberculosis Research, Division of Molecular Biology and Human Genetics, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Stellenbosch University, P.O. Box 241, Cape Town, 8000, South Africa.
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7
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Liu T, Han L, Tilley M, Afzelius L, Maciejewski M, Jelinsky S, Tian C, McIntyre M, Bing N, Hung K, Altman RB. Distinct clinical phenotypes for Crohn's disease derived from patient surveys. BMC Gastroenterol 2021; 21:160. [PMID: 33836648 PMCID: PMC8034169 DOI: 10.1186/s12876-021-01740-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 03/25/2021] [Indexed: 11/14/2022] Open
Abstract
Background Defining clinical phenotypes provides opportunities for new diagnostics and may provide insights into early intervention and disease prevention. There is increasing evidence that patient-derived health data may contain information that complements traditional methods of clinical phenotyping. The utility of these data for defining meaningful phenotypic groups is of great interest because social media and online resources make it possible to query large cohorts of patients with health conditions. Methods We evaluated the degree to which patient-reported categorical data is useful for discovering subclinical phenotypes and evaluated its utility for discovering new measures of disease severity, treatment response and genetic architecture. Specifically, we examined the responses of 1961 patients with inflammatory bowel disease to questionnaires in search of sub-phenotypes. We applied machine learning methods to identify novel subtypes of Crohn’s disease and studied their associations with drug responses. Results Using the patients’ self-reported information, we identified two subpopulations of Crohn’s disease; these subpopulations differ in disease severity, associations with smoking, and genetic transmission patterns. We also identified distinct features of drug response for the two Crohn’s disease subtypes. These subtypes show a trend towards differential genotype signatures. Conclusion Our findings suggest that patient-defined data can have unplanned utility for defining disease subtypes and may be useful for guiding treatment approaches. Supplementary Information The online version contains supplementary material available at 10.1186/s12876-021-01740-6.
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Affiliation(s)
- Tianyun Liu
- Department of Bioengineering, Stanford University, Shriram Room 209, MC: 4245, 443 Via Ortega Drive, Stanford, CA, 94305-4145, USA
| | - Lichy Han
- Biomedical Informatics Training Program, Stanford University, Stanford, CA, USA
| | - Mera Tilley
- Inflammation and Immunology, Pfizer Inc., Cambridge, MA, USA
| | - Lovisa Afzelius
- Inflammation and Immunology, Pfizer Inc., Cambridge, MA, USA
| | | | - Scott Jelinsky
- Inflammation and Immunology, Pfizer Inc., Cambridge, MA, USA
| | - Chao Tian
- 23andMe Research Team, 23andMe Inc., Sunnyvale, CA, USA
| | | | | | - Nan Bing
- Inflammation and Immunology, Pfizer Inc., Cambridge, MA, USA
| | - Kenneth Hung
- Inflammation and Immunology, Pfizer Inc., Cambridge, MA, USA
| | - Russ B Altman
- Department of Bioengineering, Stanford University, Shriram Room 209, MC: 4245, 443 Via Ortega Drive, Stanford, CA, 94305-4145, USA.
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8
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Xu Q, Kong N, Zhang J, Bai N, Bi J, Li W. Expression of transient receptor potential cation channel subfamily M member 8 in gastric cancer and its clinical significance. Exp Ther Med 2021; 21:377. [PMID: 33680099 PMCID: PMC7918222 DOI: 10.3892/etm.2021.9808] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Accepted: 06/02/2020] [Indexed: 11/29/2022] Open
Abstract
Transient receptor potential cation channel subfamily M member (TRPM8) is abnormally expressed in many malignant tumors, such as breast cancer and pancreatic cancer, but its expression in gastric cancer (GC) has remained unclear. The present study aimed to detect TRPM8 expression and to explore its clinical significance in GC. Western blotting and immunohistochemistry were used to detect the protein expression of TRPM8 in 134 pairs of GC and adjacent healthy tissues. The association of TRMP8 with the 5-year overall survival rate of patients with GC was assessed using a Cox regression model. TRPM8 protein expression was significantly elevated (P<0.05) in gastric tumor cells (SUN-1, AGS, SNU-5 and NCI-N87) and was significantly associated with tumor diameter (P=0.003), Tumor-Node-Metastasis stage (P=0.003), lymph node metastasis (P=0.001) and cancer cell remote metastasis (P=0.010) in patients with GC. The expression of TRPM8 protein was significantly higher in GC patients with a tumor diameter of ≥2.5 cm. Additionally, TRPM8 protein expression in patients with metastases was significantly higher compared with patients without metastasis. Cox regression analysis revealed that TRPM8 protein expression was an independent risk factor for prognosis (odds ratio, 1.625; 95% CI=0.552-3.128) in patients with GC. In addition, the 5-year overall survival rate of patients with high expression of TRPM8 protein (64.44%) in GC was significantly lower compared with patients with low expression (12.36%). TRPM8 was highly expressed in GC tissues and may promote GC cell proliferation and metastasis in vivo.
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Affiliation(s)
- Qiqi Xu
- Department of General Surgery, Beijing Jishuitan Hospital, Beijing 100035, P.R. China
| | - Na Kong
- Department of General Surgery, Beijing Jishuitan Hospital, Beijing 100035, P.R. China
| | - Jun Zhang
- Department of General Surgery, Beijing Jishuitan Hospital, Beijing 100035, P.R. China
| | - Nan Bai
- Department of General Surgery, Beijing Jishuitan Hospital, Beijing 100035, P.R. China
| | - Jingtao Bi
- Department of General Surgery, Beijing Jishuitan Hospital, Beijing 100035, P.R. China
| | - Wendong Li
- Department of General Surgery, Beijing Jishuitan Hospital, Beijing 100035, P.R. China
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Xu M, Shao X, Li H, Zhang Z, Zhou C, Cheng Z. Clinical value and potential association of Rab1A and FoxM1 aberrant expression in colorectal cancer. Sci Rep 2020; 10:20160. [PMID: 33214609 PMCID: PMC7678875 DOI: 10.1038/s41598-020-77182-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 11/05/2020] [Indexed: 11/21/2022] Open
Abstract
Colorectal carcinoma (CRC) is one of the most common malignancies with a dismal 5-year survival rate. Our recent study indicated that Rab1A expression was closely related to GLI1 expression. A previous study shows that aberrant overexpression of GLI1 promotes colorectal cancer metastasis via FoxM1 overexpression. However, the potential correlation between Rab1A and FoxM1 in CRC remains elusive. Immunohistochemistry was performed to investigate the association of the expression of Rab1A and FoxM1 and to determine the prognosis in 135 CRC tissue and adjacent normal tissues. Using Oncomine datasets, we found that Rab1A and FoxM1 mRNA were obviously upregulated in CRC tissues compared to normal tissues. Additionally, the expression of Rab1A and FoxM1 was significantly higher in CRC tissues than that in normal tissues. Rab1A expression was positively correlated with FoxM1 expression in CRC, especially in TNM stage III. In addition, Rab1A and FoxM1 overexpression was found to be significantly correlated with poor prognosis in CRC patients. Besides, both high expression of Rab1A and FoxM1 led to a worse prognosis than anyone low group, and both low expression of Rab1A and FoxM1 had a better prognosis than the anyone low group. Therefore, Rab1A and FoxM1 play crucial roles and could be used as clinical biomarkers in CRC.
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Affiliation(s)
- Menglin Xu
- Department of Oncology, The First Affiliated Hospital of Wannan Medical College, Wuhu, 241000, China
| | - Xinyu Shao
- Department of Gastroenterology, The Affiliated Suzhou Hospital of Nanjing Medical University, No.242 Guangji Road, Suzhou, 215006, Jiangsu Province, China
| | - Haoran Li
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Wannan Medical College, No. 2 Zheshan West Road, Jinghu District, Wuhu, 241000, Anhui Province, China
| | - Zhengrong Zhang
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Wannan Medical College, No. 2 Zheshan West Road, Jinghu District, Wuhu, 241000, Anhui Province, China
| | - Chunli Zhou
- Department of Gastroenterology, The Affiliated Suzhou Hospital of Nanjing Medical University, No.242 Guangji Road, Suzhou, 215006, Jiangsu Province, China.
| | - Zhengwu Cheng
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Wannan Medical College, No. 2 Zheshan West Road, Jinghu District, Wuhu, 241000, Anhui Province, China.
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10
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Cancer-driving mutations and variants of components of the membrane trafficking core machinery. Life Sci 2020; 264:118662. [PMID: 33127517 DOI: 10.1016/j.lfs.2020.118662] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 10/17/2020] [Accepted: 10/22/2020] [Indexed: 12/12/2022]
Abstract
The core machinery for vesicular membrane trafficking broadly comprises of coat proteins, RABs, tethering complexes and SNAREs. As cellular membrane traffic modulates key processes of mitogenic signaling, cell migration, cell death and autophagy, its dysregulation could potentially results in increased cell proliferation and survival, or enhanced migration and invasion. Changes in the levels of some components of the core machinery of vesicular membrane trafficking, likely due to gene amplifications and/or alterations in epigenetic factors (such as DNA methylation and micro RNA) have been extensively associated with human cancers. Here, we provide an overview of association of membrane trafficking with cancer, with a focus on mutations and variants of coat proteins, RABs, tethering complex components and SNAREs that have been uncovered in human cancer cells/tissues. The major cellular and molecular cancer-driving or suppression mechanisms associated with these components of the core membrane trafficking machinery shall be discussed.
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11
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Su H, Li T, Li C, Liu X, Ling H, Li X. Expression of Rab1A in bladder cancer and its clinical implications. Exp Ther Med 2020; 20:44. [PMID: 32952635 PMCID: PMC7480166 DOI: 10.3892/etm.2020.9174] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2018] [Accepted: 04/11/2019] [Indexed: 12/21/2022] Open
Abstract
Rab1A protein has been identified to be highly expressed in a number of malignant tumor tissues and to participate in the regulation of tumor development, but no data concerning bladder cancer have been described at present. The present study measured the expression of Rab1A in bladder cancer tissues and cell lines, and analyzed its clinical significance for patients with bladder cancer. A total of 153 pairs of bladder cancer tumor tissues and adjacent cancer healthy tissues were included in the present study. Western blot analysis and immunohistochemistry were used to measure the expression of Rab1A protein in normal bladder and bladder cancer cell line, and bladder cancer and normal adjacent tissues. SPSS 20.0 software was used for statistical analysis and mapping of survival curves in patients with bladder cancer. The expression levels of Rab1A protein in normal bladder cells and tissues was significantly decreased compared with that in bladder cancer cells and tissues, and it was significantly associated with tumor size, histological grade, tumor-node-metastasis (TNM) stage, lymph node metastasis and remote metastasis in 153 patients with bladder cancer. Cox regression analysis demonstrated that the expression of Rab1A protein in bladder cancer tissues was an independent risk factor for prognosis (overall risk=0.549; 95% confidence interval=0.139-0.916). The 5-year survival rate of patients with bladder cancer with high expression levels of Rab1A protein was 48.613%, which was significantly decreased compared with the rate of patients with low expression 75.31% (P<0.05). The expression of Rab1A in bladder cancer tissues and cell lines was upregulated, and its expression increased with increasing TNM stages. It was also associated with the metastasis of tumor cells and negatively affected the survival time of patients with bladder cancer.
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Affiliation(s)
- Hongwei Su
- Department of Urology, The First Affiliated Hospital of Hebei North University, Zhangjiakou, Hebei 075061, P.R. China
| | - Ting Li
- Department of Drug and Equipment, The Second Hospital of Zhangjiakou City, Zhangjiakou, Hebei 075061, P.R. China
| | - Chen Li
- Department of Urology, The First Affiliated Hospital of Hebei North University, Zhangjiakou, Hebei 075061, P.R. China
| | - Xin Liu
- Department of Urology, The First Affiliated Hospital of Hebei North University, Zhangjiakou, Hebei 075061, P.R. China
| | - Haibin Ling
- Department of Urology, The First Affiliated Hospital of Hebei North University, Zhangjiakou, Hebei 075061, P.R. China
| | - Xiangdong Li
- Department of Urology, The First Affiliated Hospital of Hebei North University, Zhangjiakou, Hebei 075061, P.R. China
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Sun XH, Fan X, Hu KL, Hu WT. [Effects of RAB1A on the proliferation, invasion, and metastasis of tongue squamous cell carcinoma cells]. HUA XI KOU QIANG YI XUE ZA ZHI = HUAXI KOUQIANG YIXUE ZAZHI = WEST CHINA JOURNAL OF STOMATOLOGY 2020; 38:245-249. [PMID: 32573129 DOI: 10.7518/hxkq.2020.03.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
OBJECTIVE This study aimed to investigate the molecular mechanism of RAB1A in the proliferation, invasion, and metastasis of human tongue squamous cell carcinoma. METHODS Western blot was used to detect the expression of RAB1A protein in human normal tongue epithelial cells (Hacat) and tongue squamous cell carcinoma Tca8113. The changes in RAB1A after plasmid transfection were also studied. The Tca8113 cells were named SiRAB1A/Tca8113 after RAB1A plasmid transfection. The expression of the epithelial-mesenchymal transition (EMT)-related markers of SiRAB1A/Tca8113 cells was also detected. CCK-8 assay was used to detect the proliferation of SiRAB1A/Tca8113 cells. Transwell and wound healing assays were used to detect the invasive and metastatic abilities of SiRAB1A/Tca8113 cells, respectively. RESULTS Western blot results showed that the expression of RAB1A in tongue squamous cell carcinoma cells was significantly higher than that in Hacat. RAB1A decreased significantly after SiRAB1A plasmid transfection. CCK-8 proliferation assay showed that the proliferation of SiRAB1A/Tca8113 cells also decreased significantly. Transwell and wound healing assays demonstrated that the invasive and metastatic abilities of SiRAB1A/Tca8113 cells decreased significantly, respectively. In addition, Western blot results demonstrated that RAB1A deletion significantly increased the expression of E-cadherin and inhibited the expression of Vimentin. CONCLUSIONS RAB1A could promote the proliferation, invasion, and metastasis of tongue squamous cell carcinoma cells.
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Affiliation(s)
- Xue-Hui Sun
- Dept. of Oral and Maxillofacial Surgery, The Affiliated Hospital of Weifang Medical University, Weifang 261000, China
| | - Xin Fan
- Dept. of Stomatology, The Affiliated Hospital of Weifang Medical University, Weifang 261000, China
| | - Kai-Li Hu
- School of Stomatology, Weifang Medical University, Weifang 261021, China
| | - Wen-Ting Hu
- Dept. of Oral and Maxillofacial Surgery, The Affiliated Hospital of Weifang Medical University, Weifang 261000, China
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Almansouri S, Zwyea S. Early Prognosis of Human Renal Cancer with Kaplan-Meier Plotter Data Analysis Model. ACTA ACUST UNITED AC 2020. [DOI: 10.1088/1742-6596/1530/1/012051] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Shao X, Cheng Z, Xu M, Mao J, Wang J, Zhou C. Prognosis, Significance and Positive Correlation of Rab1A and p-S6K/Gli1 Expression in Gastric Cancer. Anticancer Agents Med Chem 2020; 19:1359-1367. [PMID: 31038077 DOI: 10.2174/1871520619666190416110851] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Revised: 10/23/2018] [Accepted: 04/03/2019] [Indexed: 01/01/2023]
Abstract
BACKGROUND Gastric Cancer (GC) is a frequently common malignancy. Recent studies have reported Rab1A as an activator of mTORC1, and the mTOR1 pathway is involved in regulating Gli1 expression in several cancers. Only a few studies have been performed to explore the relationship between Rab1A and p-S6K/Gli1in GC. METHODS Immunohistochemistry (IHC) was performed to explore the association of Rab1A/p-S6K/Gli1 expression and prognosis in 117 GC tissue samples and adjacent normal tissues. RESULTS Our results indicated that Rab1A/p-S6K/Gli1 was significantly overexpressed in GC tissues. High expression of Rab1A was closely related to the tumor size and the depth of tumor invasion. In addition, Rab1A expression was closely related with p-S6K/Gli1 expression in GC, and high level of Rab1A/p-S6K/Gli1 caused worse prognosis of GC patients. The univariate and multivariate analysis indicated that the expression of Rab1A was an independent prognostic factor. Moreover, both high Rab1A and p-S6K expression led to a worse prognosis when compared to a single positive expression as well as both high Rab1A/Gli1 expression also led to a worse prognosis than the single positive expression of Rab1A/Gli1. Strikingly, the overexpression of p-S6K also led to a worse prognosis in Rab1A positive patients, as did Gli1. CONCLUSION Our results indicate that Rab1A/mTOR/S6K/Gli1 axis played a crucial role in GC, which may provide a novel field on targeted therapy of GC, especially for mTORC1-targeted therapy-resistant cancers.
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Affiliation(s)
- Xinyu Shao
- Department of Gastroenterology, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou 215006, China
| | - Zhengwu Cheng
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Wannan Medical College, Wuhu 241000, China
| | - Menglin Xu
- Department of Oncology, The First Affiliated Hospital of Wannan Medical College, Wuhu 241000, China
| | - Jiading Mao
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Wannan Medical College, Wuhu 241000, China
| | - Junfeng Wang
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Wannan Medical College, Wuhu 241000, China
| | - Chunli Zhou
- Department of Gastroenterology, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou 215006, China
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Li Z, Li Y, Jia Y, Ding B, Yu J. Rab1A knockdown represses proliferation and promotes apoptosis in gastric cancer cells by inhibition of mTOR/p70S6K pathway. Arch Biochem Biophys 2020; 685:108352. [PMID: 32240637 DOI: 10.1016/j.abb.2020.108352] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 03/20/2020] [Accepted: 03/27/2020] [Indexed: 02/08/2023]
Abstract
Rab1A, a member of the Ras-like protein in rat brain (Rab) family, acts as an oncogene in a variety of malignant tumors. Previous studies reported that Rab1A was highly expressed in GC tissues. However, the function and molecular mechanism of Rab1A in gastric cancer (GC) development remain far from being addressed. Rab1A mRNA and protein levels were detected by qRT-PCR and western blot, respectively. Cell proliferation was evaluated by CCK-8 and BrdU incorporation assays. Apoptosis was estimated by flow cytometry analysis and western blot analysis of B cell lymphoma 2 (Bcl-2), myeloid cell leukemia 1 (Mcl-1), Bcl-2 associated X (Bax), and Bcl-2 homologous antagonist/killer (Bak) expression. Alteration of the mammalian target of rapamycin (mTOR)/p70 ribosomal protein S6 kinase (p70S6K) signaling pathway was detected by western blot. We found that Rab1A expression at both mRNA and protein was upregulated in GC cells. Rab1A knockdown significantly inhibited cell proliferation and induced apoptosis in GC cells. Rab1A overexpression promoted proliferation, inhibited cisplatin-induced apoptosis, and increased xenograft growth. In addition, we found that Rab1A knockdown suppressed the mTOR/p70S6K pathway in GC cells. Moreover, activation of mTOR/p70S6K pathway by MHY1485 abolished the effects of Rab1A knockdown on cell proliferation and apoptosis. In conclusion, Rab1A knockdown repressed proliferation and promoted apoptosis in GC cells by inhibition of the mTOR/p70S6K pathway.
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Affiliation(s)
- Zhong Li
- Department of General Surgery, Nanyang First People's Hospital, Nanyang, 473012, China
| | - Yuan Li
- Department of General Surgery, Nanyang First People's Hospital, Nanyang, 473012, China
| | - Yunhao Jia
- Department of General Surgery, Nanyang First People's Hospital, Nanyang, 473012, China
| | - Bo Ding
- Department of General Surgery, Nanyang First People's Hospital, Nanyang, 473012, China
| | - Jinsong Yu
- Department of General Surgery, Nanyang First People's Hospital, Nanyang, 473012, China.
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Wang J, Xing H, Nikzad AA, Liu B, Zhang Y, Li S, Zhang E, Jia Z. Long Noncoding RNA MNX1 antisense RNA 1 Exerts Oncogenic Functions in Bladder Cancer by Regulating miR-218-5p/RAB1A Axis. J Pharmacol Exp Ther 2019; 372:237-247. [PMID: 31843814 DOI: 10.1124/jpet.119.262949] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Accepted: 12/09/2019] [Indexed: 12/24/2022] Open
Abstract
LncRNA MNX1 antisense RNA 1 (MNX1-AS1) is significantly overexpressed in patients with bladder cancer, suggesting that it might be associated with bladder cancer. However, the molecular mechanism of MNX1-AS1 in bladder cancer remained indistinct. To illustrate the role of MNX1-AS1 in bladder cancer, the gain- and loss-of-function experiments were conducted in bladder cancer cells. Reduced expression of MNX1-AS1 could suppress cell proliferation, migration, invasion, and epithelial-mesenchymal transition in bladder cancer cells, whereas overexpression of MNX1-AS1 resulted in the opposite effects. Mechanistic analysis demonstrated that miR-218-5p was a direct target of RAB1A. MNX1-AS1 could competitively bind to miR-218-5p to regulate RAB1A expression in bladder cancer cells. Furthermore, in vivo experiments revealed that reduced expression of MNX1-AS1 inhibited tumor growth and metastasis. Taken together, MNX1-AS1 functions as a sponge to miR-218-5p to modulate RAB1A expression in bladder cancer, which suggests that MNX1-AS1 might serve as a novel therapeutic target and a novel biomarker for metastasis and prognosis in bladder cancer. SIGNIFICANCE STATEMENT: Our study demonstrates that long noncoding RNA MNX1-AS1 promotes the initiation and progression of bladder cancer. MNX1-AS1 regulates RAB1A expression to promote proliferation, migration, invasion, and epithelial-mesenchymal transitions of bladder cancer cells via miR-218-5p, which contributes to the tumor growth and metastasis of bladder cancer. Collectively, these results suggest that MNX1-AS1 might serve as a potential biomarker for bladder cancer.
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Affiliation(s)
- Jun Wang
- Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People's Republic of China
| | - Huiwu Xing
- Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People's Republic of China
| | - Abdul Aziz Nikzad
- Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People's Republic of China
| | - Bowen Liu
- Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People's Republic of China
| | - Yu Zhang
- Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People's Republic of China
| | - Songchao Li
- Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People's Republic of China
| | - Erwei Zhang
- Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People's Republic of China
| | - Zhankui Jia
- Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People's Republic of China
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Shao X, Cheng Z, Xu M, Tan Z, Gao L, Wang J, Zhou C. Pooled analysis of prognostic value and clinical significance of Rab1A expression in human solid tumors. Medicine (Baltimore) 2019; 98:e18370. [PMID: 31852145 PMCID: PMC6922505 DOI: 10.1097/md.0000000000018370] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND This study aims to assess the relationship between Rab1A expression and clinicopathological parameters and prognosis of patients with human solid cancer by summarizing the studies included. METHODS PubMed, EMBASE, The Cochrane Library, and other sources were searched for relative studies. The risk ratios (RRs) and confidence interval (CI) were used to assess association between Rab1A expression and clinical parameters and prognosis in solid cancer patients. RESULTS Eight studies were included in the final analysis with 800 patients. The results revealed that expression of Rab1A was significantly related with differentiation (RR = 0.883, 95%CI = 0.782-0.997, P = .044), lymph node metastasis (RR = 0.835, 95%CI = 0.753-0.926, P = .001), tumor-lymph node-metastasis (TNM) stage (RR = 1.190, 95%CI = 1.071-1.322, P < .001) and tumor size (RR = 0.818, 95%CI = 0.730-0.915, P < .001). What is more, no significant difference was seen in 1-year survival between high and low expression of Rab1A in multiple malignancies (RR = 0.855, 95%CI = 0.697-1.050, P = .136). However, increased Rab1A revealed poorer prognosis with 2-year survival (RR = 0.760, 95%CI = 0.701-0.824, P < .001), 3-year survival (RR = 0.669, 95%CI = 0.604-0.742, P < .001), 4-year survival (RR = 0.622, 95%CI = 0.554-0.698, P < .001) and 5-year survival (RR = 0.525, 95%CI = 0.458-0.698, P < .001). Expression of Rab1A was increased obviously in solid cancer tissues compared with the adjacent normal tissue (RR = 4.78, 95%CI 4.05-5.63, P = .015). CONCLUSION This study revealed Rab1A expression links closely with tumor size, differentiation, lymph node metastasis, TNM stage and poor prognosis of human solid cancer patients. It may act as a biomarker of prognosis and a novel therapeutic target in solid cancer.
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Affiliation(s)
- Xinyu Shao
- Department of gastroenterology, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou
| | - Zhengwu Cheng
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Wannan Medical College
| | - Menglin Xu
- Department of Oncology, The First Affiliated Hospital of Wannan Medical College, Wuhu
| | - Zhuqing Tan
- Department of Medicine, The Affiliated Infectious Diseases Hospital of Soochow University, The Fifth People's Hospital of Suzhou
| | - Ling Gao
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Junfeng Wang
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Wannan Medical College
| | - Chunli Zhou
- Department of gastroenterology, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou
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18
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Expression analysis and implication of Rab1A in gastrointestinal relevant tumor. Sci Rep 2019; 9:13384. [PMID: 31527621 PMCID: PMC6746845 DOI: 10.1038/s41598-019-49786-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Accepted: 08/31/2019] [Indexed: 12/20/2022] Open
Abstract
Gastrointestinal cancers have become increasingly prevalent worldwide. Previous studies have reported an oncogenic function of Rab1A in colorectal cancer and hepatocellular carcinomas via the mTOR pathway. However, the exact role of Rab1A in gastrointestinal cancers remains elusive. We detected significantly higher expression of Rab1A in the gastrointestinal tumor tissues compared to that in other cancer types following an in silico analysis of TGCA and GTEX databases. Furthermore, Rab1A was overexpressed in the gastrointestinal tumor tissues compared to the para-tumor tissues. Although Rab1A expression levels were not associated with the tumor-lymph node-metastasis (TNM) stage, Rab1A overexpression in the tumor tissues of a gastric cancer (GC) cohort was strongly correlated with poor prognosis in the patients. In addition, Rab1A knockdown significantly inhibited the in vitro proliferation and migration abilities of GC cells, as well as the growth of GC xenografts in vivo. Furthermore, a positive correlation was observed between Rab1A expression levels and that of different upstream/downstream mTOR targets. Taken together, Rab1A regulates the PI3K-AKT-mTORC1 pathway through the mTORC1 complex consisting of mTORC1, Rheb and Rab1A, and is a promising therapeutic target in GC.
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Zhang W, Xu J, Wang K, Tang X, He J. miR‑139‑3p suppresses the invasion and migration properties of breast cancer cells by targeting RAB1A. Oncol Rep 2019; 42:1699-1708. [PMID: 31485677 PMCID: PMC6775813 DOI: 10.3892/or.2019.7297] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2018] [Accepted: 06/24/2019] [Indexed: 12/24/2022] Open
Abstract
Accumulated evidence indicates that aberrant microRNAs (miRNAs) expression plays an important role in the initiation and progression of various cancers, including breast cancer. Previous studies suggested that miR-139-3p might serve as a tumor suppressor and is downregulated in several cancer types. However, the expression patterns and exact role of miR-139-3p in breast cancer remain to be elucidated. In this study, we aimed to analyze the effect of miR-139-3p on the progression of breast cancer and the mechanism involved. Through bioinformatics analysis and in vitro experimental studies, we found that miR-139-3p was decreased in breast cancer tissues and cell lines, and decreased miR-139-3p is associated with a poor prognosis in breast cancer patients. Overexpression of miR-139-3p by transfection significantly inhibits cell proliferation, migration, and invasion of breast cancer cells. Bioinformatics analysis and luciferase reporter gene assay confirmed that RAB1A was a potential target of miR-139-3p. Furthermore, overexpression of RAB1A counteracted the suppressing effects of miR-139-3p on breast cancer cell migration, invasion and epithelial-to-mesenchymal transition (EMT). Taken together, these data suggest that miR-139-3p plays a tumor suppressive role in breast cancer by targeting RAB1A and may serve as a potential new biomarker for breast cancer prognosis.
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Affiliation(s)
- Wei Zhang
- Department of Breast Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Jing Xu
- Department of Breast Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Ke Wang
- Department of Breast Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Xiaojiang Tang
- Department of Breast Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Jianjun He
- Department of Breast Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
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Kulkarni-Gosavi P, Makhoul C, Gleeson PA. Form and function of the Golgi apparatus: scaffolds, cytoskeleton and signalling. FEBS Lett 2019; 593:2289-2305. [PMID: 31378930 DOI: 10.1002/1873-3468.13567] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 07/29/2019] [Accepted: 07/30/2019] [Indexed: 01/09/2023]
Abstract
In addition to the classical functions of the Golgi in membrane transport and glycosylation, the Golgi apparatus of mammalian cells is now recognised to contribute to the regulation of a range of cellular processes, including mitosis, DNA repair, stress responses, autophagy, apoptosis and inflammation. These processes are often mediated, either directly or indirectly, by membrane scaffold molecules, such as golgins and GRASPs which are located on Golgi membranes. In many cases, these scaffold molecules also link the actin and microtubule cytoskeleton and influence Golgi morphology. An emerging theme is a strong relationship between the morphology of the Golgi and regulation of a variety of signalling pathways. Here, we review the molecular regulation of the morphology of the Golgi, especially the role of the golgins and other scaffolds in the interaction with the microtubule and actin networks. In addition, we discuss the impact of the modulation of the Golgi ribbon in various diseases, such as neurodegeneration and cancer, to the pathology of disease.
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Affiliation(s)
- Prajakta Kulkarni-Gosavi
- The Department of Biochemistry and Molecular Biology, Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Australia
| | - Christian Makhoul
- The Department of Biochemistry and Molecular Biology, Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Australia
| | - Paul A Gleeson
- The Department of Biochemistry and Molecular Biology, Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Australia
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21
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Hsieh JJ, Hou MM, Chang JWC, Shen YC, Cheng HY, Hsu T. RAB38 is a potential prognostic factor for tumor recurrence in non-small cell lung cancer. Oncol Lett 2019; 18:2598-2604. [PMID: 31452745 DOI: 10.3892/ol.2019.10547] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 04/09/2019] [Indexed: 11/06/2022] Open
Abstract
Ras-related protein Rab-38 (RAB38) is a member of the Ras small G protein family that regulates intracellular vesicular trafficking. Although the expression of RAB38 is reportedly deregulated in several types of cancer, its role in tumor biology remains to be elucidated. In the present study, the expression of RAB38 was analyzed in tumor specimens from patients with non-small cell lung cancer (NSCLC) with tumor recurrence within 4 years (Group R), and those remaining disease-free following initial surgery (Group NR), by reverse transcription-semi-quantitative PCR and subsequent semi-quantification using ImageJ v4.0 software. The results revealed that the expression of RAB38 in Group R and NR specimens was positively associated with tumor recurrence; a high expression level was also associated with poor survival rate in these patients. Using NSCLC cell lines, it was demonstrated that tumor cells with mutations in the active epidermal growth factor receptor (EGFR) gene expressed higher levels of RAB38 compared with those with the wild-type gene by reverse transcription-PCR and western blot analysis. Furthermore, following specific RAB38 gene knockdown by short hairpin RNA transfection, EGFR mutants exhibited markedly reduced invasiveness when compared with cells transfected with empty vector controls by Matrigel Transwell assays. These results suggest that RAB38 is an important prognostic factor in NSCLC, and may serve a critical role in NSCLC-associated tumor metastasis.
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Affiliation(s)
- Jia-Juan Hsieh
- Department of Bioscience and Biotechnology and Center of Excellence for The Oceans, National Taiwan Ocean University, Keelung 20224, Taiwan, R.O.C
| | - Ming-Mo Hou
- Division of Hematology-Oncology, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taoyuan 33305, Taiwan, R.O.C
| | - John Wen-Cheng Chang
- Division of Hematology-Oncology, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taoyuan 33305, Taiwan, R.O.C
| | - Yung-Chi Shen
- Department of Bioscience and Biotechnology and Center of Excellence for The Oceans, National Taiwan Ocean University, Keelung 20224, Taiwan, R.O.C
| | - Hsin-Yi Cheng
- Division of Hematology-Oncology, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taoyuan 33305, Taiwan, R.O.C
| | - Todd Hsu
- Department of Bioscience and Biotechnology and Center of Excellence for The Oceans, National Taiwan Ocean University, Keelung 20224, Taiwan, R.O.C
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Prieto-Dominguez N, Parnell C, Teng Y. Drugging the Small GTPase Pathways in Cancer Treatment: Promises and Challenges. Cells 2019; 8:E255. [PMID: 30884855 PMCID: PMC6468615 DOI: 10.3390/cells8030255] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 03/08/2019] [Accepted: 03/13/2019] [Indexed: 02/07/2023] Open
Abstract
Small GTPases are a family of low molecular weight GTP-hydrolyzing enzymes that cycle between an inactive state when bound to GDP and an active state when associated to GTP. Small GTPases regulate key cellular processes (e.g., cell differentiation, proliferation, and motility) as well as subcellular events (e.g., vesicle trafficking), making them key participants in a great array of pathophysiological processes. Indeed, the dysfunction and deregulation of certain small GTPases, such as the members of the Ras and Arf subfamilies, have been related with the promotion and progression of cancer. Therefore, the development of inhibitors that target dysfunctional small GTPases could represent a potential therapeutic strategy for cancer treatment. This review covers the basic biochemical mechanisms and the diverse functions of small GTPases in cancer. We also discuss the strategies and challenges of inhibiting the activity of these enzymes and delve into new approaches that offer opportunities to target them in cancer therapy.
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Affiliation(s)
- Néstor Prieto-Dominguez
- Department of Oral Biology and Diagnostic Sciences, Dental College of Georgia, Augusta University, Augusta, GA 30912, USA.
- Institute of Biomedicine (IBIOMED), University of León, León 24010, Spain.
| | | | - Yong Teng
- Department of Oral Biology and Diagnostic Sciences, Dental College of Georgia, Augusta University, Augusta, GA 30912, USA.
- Medical College of Georgia, Augusta University, Augusta, GA 30912, USA.
- Department of Medical laboratory, Imaging and Radiologic Sciences, College of Allied Health, Augusta University, Augusta, GA 30912, USA.
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Cheng Z, Shao X, Xu M, Wang J, Kuai X, Zhang L, Wu J, Zhou C, Mao J. Rab1A promotes proliferation and migration abilities via regulation of the HER2/AKT-independent mTOR/S6K1 pathway in colorectal cancer. Oncol Rep 2019; 41:2717-2728. [PMID: 30896866 PMCID: PMC6448090 DOI: 10.3892/or.2019.7071] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Accepted: 03/07/2019] [Indexed: 02/07/2023] Open
Abstract
Colorectal carcinoma (CRC) is one of the most common malignancies worldwide and the second leading cause of cancer-related deaths in the US. Recently, Rab1A has been reported to be an activator of mTORC1 and p-S6K1, which is downstream of mTORC1. However, the association between Rab1A and p-S6K1 in CRC remains elusive. In the present study, we first demonstrated that Rab1A was overexpressed in CRC tissues and Rab1A overexpression was positively related to lymph node invasion, degree of differentiation, venous invasion and tumor-node-metastasis (TNM) stage. In both TNM stage I–II and III–IV patients, Rab1A-positive patients had a shorter survival time than Rab1A-negative patients. Furthermore, in univariate and multivariate analyses, only Rab1A expression was verified as an independent prognostic factor for survival in CRC patients. The level of p-S6K1 was markedly high in CRC tissues and Rab1A expression level had a positive association with p-S6K1 level. In addition, high levels of both Rab1A and p-S6K1 were associated with a poorer prognosis compared with low expression of either Rab1A or p-S6K1 level. Moreover, high levels of both Rab1A and p-S6K1 were associated with a poorer prognosis than patients with high levels of either Rab1A or p-S6K1 alone. Finally, knockdown of Rab1A expression inhibited migration and proliferation of SW480 and HCT116 cell lines by targeting regulation of p-S6K1. Thus, our findings indicate that Rab1A plays an important role in CRC and may provide a therapeutic target for CRC, particularly for mTORC1-targeted therapy-resistant cancers.
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Affiliation(s)
- Zhengwu Cheng
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Wannan Medical College, Wuhu, Anhui 241000, P.R. China
| | - Xinyu Shao
- Department of Gastroenterology, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, Jiangsu 215006, P.R. China
| | - Menglin Xu
- Department of Oncology, The First Affiliated Hospital of Wannan Medical College, Wuhu, Anhui 241000, P.R. China
| | - Junfeng Wang
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Wannan Medical College, Wuhu, Anhui 241000, P.R. China
| | - Xiaoyi Kuai
- Department of Gastroenterology, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, Jiangsu 215006, P.R. China
| | - Liping Zhang
- Department of Gastroenterology, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, Jiangsu 215006, P.R. China
| | - Jian Wu
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Wannan Medical College, Wuhu, Anhui 241000, P.R. China
| | - Chunli Zhou
- Department of Gastroenterology, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, Jiangsu 215006, P.R. China
| | - Jiading Mao
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Wannan Medical College, Wuhu, Anhui 241000, P.R. China
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24
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Critical role of deoxynucleotidyl transferase terminal interacting protein 1 in oral cancer. J Transl Med 2018; 98:980-988. [PMID: 29855544 DOI: 10.1038/s41374-018-0070-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2017] [Revised: 03/19/2018] [Accepted: 04/03/2018] [Indexed: 12/17/2022] Open
Abstract
Deoxynucleotidyl transferase terminal interacting protein 1 (DNTTIP1) forms a complex with histone deacetylase (HDAC); however, the relevance of DNTTIP1 in cancer remains unknown. The aim of this study was to examine DNTTIP1 expression and its functional mechanisms in oral squamous cell carcinomas (OSCCs). DNTTIP1 expression was analyzed by quantitative reverse transcriptase-polymerase chain reaction, immunoblotting analysis, and immunohistochemistry. The expression of DNTTIP1 was upregulated significantly in vitro and in vivo, and in patients with OSCC in whom DNTTIP1 was overexpressed and the expression level was correlated significantly (P < 0.05) with tumoral growth. DNTTIP1 knockdown (siDNTTIP1) cells showed depressed cellular proliferation by cell-cycle arrest at the G1 phase with high acetylation of p53 and upregulation of p21Cip1. Moreover, resveratrol, a HDAC inhibitor, controlled not only acetylated p53 status but also DNTTIP1 expression, leading to a similar phenotype of siDNTTIP1 cells. A marked (P < 0.05) reduction of tumoral growth in mouse xenograft models was observed with lower DNTTIP1 expression under the presence of this chemical reagent. Taken together, our results suggested that DNTTIP1-HDAC interaction promotes tumoral growth through deacetylation of p53 and that DNTTIP1 might be a critical therapeutic target in OSCCs.
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25
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Zhu Y, Liang S, Pan H, Cheng Z, Rui X. Inhibition of miR-1247 on cell proliferation and invasion in bladder cancer through its downstream target of RAB36. J Biosci 2018; 43:365-373. [PMID: 29872024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Recently, microRNA-1247 (miR-1247) has been reported to function as tumour suppressor in several cancer types, including pancreatic cancer, hepatocellular cancer and lung cancer. However, the biological function of miR-1247 in bladder cancer and the underlying mechanisms have remained largely uncovered. In this study, the expression of miR-1247 was significantly downregulated, while RAB36 protein was remarkably upregulated in bladder cancer tissues and cell lines compared with that in paired adjacent normal tissues or normal cell line (SU-HUC-1). The function of miR-1247 and RAB36 in the cell viability, proliferation and invasion of bladder cancer cells (T24 and J82) was assessed by CCK-8, colony formation and Transwell assay, respectively. Gain of function studies showed that upregulation of miR-1247 significantly inhibited cell proliferation and invasion capacity of bladder cancer cells. Consistently, downregulation of RAB36 mimicked the suppressive effects of miR-1247 overexpression in bladder cancer cells. Importantly, miR-1247 was confirmed to target the 30untranslated region (UTR) of RAB36 and downregulated its expression using luciferase reporter assay and Western blot assays. In conclusion, these results provide the first clues regarding the role of miR-1247 might be a potential therapeutic agent and diagnostic marker of bladder cancer by inhibiting RAB36 expression.
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Affiliation(s)
- Yudi Zhu
- Department of Urology, Ningbo No. 2 Hospital, Ningbo, Zhejiang, China,
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26
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Villagomez FR, Medina-Contreras O, Cerna-Cortes JF, Patino-Lopez G. The role of the oncogenic Rab35 in cancer invasion, metastasis, and immune evasion, especially in leukemia. Small GTPases 2018; 11:334-345. [PMID: 29781368 PMCID: PMC7549652 DOI: 10.1080/21541248.2018.1463895] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The study of cancer has allowed researchers to describe some biological characteristics that tumor cells acquire during their development, known as the “hallmarks of cancer” but more research is needed to expand our knowledge about cancer biology and to generate new strategies of treatment. The role that RabGTPases might play in some hallmarks of cancer represents interesting areas of study since these proteins are frequently altered in cancer. However, their participation is not well known. Recently, Rab35was recognized as an oncogenic RabGTPase and and because of its association with different cellular functions, distinctly important in immune cells, a possible role of Rab35 in leukemia can be suggested. Nevertheless, the involvement of Rab35 in cancer remains poorly understood and its possible specific role in leukemia remains unknown. In this review, we analyze general aspects of the participation of RabGTPases in cancer, and especially, the plausible role of Rab35 in leukemia.
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Affiliation(s)
- Fabian R Villagomez
- Laboratorio de Investigación en Inmunología y Proteómica, Hospital Infantil de México Federico Gómez , Ciudad de México, México.,Laboratorio de Microbiología Molecular, Escuela Nacional de Ciencias Biológicas del Instituto Politécnico Nacional, Prolongación Carpio y Plan de Ayala S/N, Col. Casco de Santo Tomas , Ciudad de México, México
| | - Oscar Medina-Contreras
- Laboratorio de Investigación en Inmunología y Proteómica, Hospital Infantil de México Federico Gómez , Ciudad de México, México
| | - Jorge Francisco Cerna-Cortes
- Laboratorio de Microbiología Molecular, Escuela Nacional de Ciencias Biológicas del Instituto Politécnico Nacional, Prolongación Carpio y Plan de Ayala S/N, Col. Casco de Santo Tomas , Ciudad de México, México
| | - Genaro Patino-Lopez
- Laboratorio de Investigación en Inmunología y Proteómica, Hospital Infantil de México Federico Gómez , Ciudad de México, México
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27
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Hou P, Kang Y, Luo J. Hypoxia-mediated miR-212-3p downregulation enhances progression of intrahepatic cholangiocarcinoma through upregulation of Rab1a. Cancer Biol Ther 2018; 19:984-993. [PMID: 29672195 DOI: 10.1080/15384047.2018.1456608] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Rab1a, a member RAS oncogene family, has been reported playing important role in tumor proliferation and migration. However, the role of Rab1a in intrahepatic cholangiocarcinoma (ICC) is not clear. In this study, we found Rab1a was overexpressed in ICC tissues both in mRNA and protein level. Kaplan-meier analysis showed that high expression of Rab1a was associated with poor prognosis of ICC patients. Suppression of Rab1a led to lower proliferation rate and migration ability both in vitro and in vivo by inhibiting process of cell cycle and Epithelial-Mesenchymal Transition (EMT). Further study showed that Rab1a was targeting regulated by miR-212-3p.In addition, expression of Rab1a was increased while miR-212-3p was decreased under hypoxia condition. In conclusion, these findings extend our understanding of Rab1a in progression of ICC, and we found hypoxia/miR-212-3p/Rab1a pathway played important role for progression of ICC. This newly identified pathway should promote the development of novel therapeutic biomarker for ICC.
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Affiliation(s)
- Panzhang Hou
- a Radiotherapy department , Henan Provicial people's Hospital , Zhengzhou , Henan province , China
| | - Yi Kang
- b Infectious Diseases department , Henan Provicial people's Hospital , Zhengzhou , China
| | - Jianchao Luo
- a Radiotherapy department , Henan Provicial people's Hospital , Zhengzhou , Henan province , China
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28
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Inhibition of miR-1247 on cell proliferation and invasion in bladder cancer through its downstream target of RAB36. J Biosci 2018. [DOI: 10.1007/s12038-018-9755-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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29
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Xiong Z, Zhang H, Huang B, Liu Q, Wang Y, Shi D, Li X. Expression pattern of prohibitin, capping actin protein of muscle Z-line beta subunit and tektin-2 gene in Murrah buffalo sperm and its relationship with sperm motility. ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 2018; 31:1729-1737. [PMID: 29642674 PMCID: PMC6212766 DOI: 10.5713/ajas.18.0025] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Accepted: 03/19/2018] [Indexed: 01/13/2023]
Abstract
Objective The aim of the current study is to investigate the relationship between prohibitin (PHB), capping actin protein of muscle Z-line beta subunit (CAPZB), and tektin-2 (TEKT2) and sperm motility in Murrah buffalo. Methods We collected the high-motility and low-motility semen samples, testis, ovary, muscle, kidney, liver, brain and pituitary from Murrah buffalo, and analysed the expression of PHB, CAPZB, and TEKT2 in mRNA (message RNA) and protein level. Results Quantitative reverse transcription-polymerase chain reaction (qRT-PCR) result showed that the expression of PHB was higher and CAPZB, TEKT2 were specifically expressed in testis as compared to the other 6 tissues, and that in testis, the expression of TEKT2 was higher than that of CAPZB and PHB. Immunohistochemistry test revealed that all three genes were located on the convoluted seminiferous tubule and enriched in spermatogenic cells. Both qRT-PCR and Western Blot results showed that the expression levels of PHB, CAPZB, and TEKT2 were significantly lower in the low-motility semen group compared to the high-motility semen group (p<0.05). Conclusion The expression levels of PHB, CAPZB, and TEKT2 in Murrah buffalo sperm have a high positive correlation with sperm motility. And the three genes may be potential molecular markers for the decline of buffalo sperm motility.
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Affiliation(s)
- Zhaocheng Xiong
- State Key Laboratory of Conservation and Utilization of Subtropical Agro-bioresources, Guangxi University, Nanning 530004, China
| | - Haihang Zhang
- State Key Laboratory of Conservation and Utilization of Subtropical Agro-bioresources, Guangxi University, Nanning 530004, China
| | - Ben Huang
- State Key Laboratory of Conservation and Utilization of Subtropical Agro-bioresources, Guangxi University, Nanning 530004, China
| | - Qingyou Liu
- State Key Laboratory of Conservation and Utilization of Subtropical Agro-bioresources, Guangxi University, Nanning 530004, China
| | - Yingqun Wang
- Guangxi Livestock and Poultry Variety Reforming Station, Nanning 530001, China
| | - Deshun Shi
- State Key Laboratory of Conservation and Utilization of Subtropical Agro-bioresources, Guangxi University, Nanning 530004, China
| | - Xiangping Li
- State Key Laboratory of Conservation and Utilization of Subtropical Agro-bioresources, Guangxi University, Nanning 530004, China
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30
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Kitajima D, Kasamatsu A, Nakashima D, Miyamoto I, Kimura Y, Endo-Sakamoto Y, Shiiba M, Tanzawa H, Uzawa K. Evidence for critical role of Tie2/Ang1 interaction in metastatic oral cancer. Oncol Lett 2018; 15:7237-7242. [PMID: 29731883 DOI: 10.3892/ol.2018.8212] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2017] [Accepted: 12/14/2017] [Indexed: 01/11/2023] Open
Abstract
Angiopoietin-1 (Ang1) is a binding partner of endothelial cell-specific tyrosine-protein kinase receptor (Tie2), which serves important roles in vascular development and angiogenesis. Tie2 is closely associated with the metastasis of oral squamous cell carcinomas (OSCCs) however, little is known about the correlation between Tie2 and Ang1. In the present study, the functional mechanisms of the Tie2/Ang1 interaction were investigated using Tie2 overexpressed (oeTie2) OSCC cells and recombinant Ang1 protein. oeTie2 cells had increased cell-cell and cell-extracellular matrix adhesions compared with the control cells. Additionally, the adhesive activities increased following treatment with exogenous Ang1, indicating that Ang1 directly enhances Tie2 functions. In the clinical OSCC data from 10 cases positive for regional lymph node metastasis, all cases were negative for Tie2 expression and eight cases (80%) were negative for Ang1 expression. These results suggest that Tie2 and Ang1 serve important roles in cancer metastasis and may be potential biomarkers and therapeutic targets for OSCC metastasis.
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Affiliation(s)
- Daisuke Kitajima
- Department of Oral Science, Graduate School of Medicine, Chiba University, Chuo-ku, Chiba 260-8670, Japan
| | - Atsushi Kasamatsu
- Department of Dentistry and Oral-Maxillofacial Surgery, Graduate School of Medicine, Chiba University Hospital, Chuo-ku, Chiba 260-8670, Japan
| | - Dai Nakashima
- Department of Oral Science, Graduate School of Medicine, Chiba University, Chuo-ku, Chiba 260-8670, Japan
| | - Isao Miyamoto
- Department of Oral Science, Graduate School of Medicine, Chiba University, Chuo-ku, Chiba 260-8670, Japan
| | - Yasushi Kimura
- Department of Oral and Maxillofacial Surgery, National Defense Medical College Hospital, Tokorozawa, Saitama 359-8513, Japan
| | - Yosuke Endo-Sakamoto
- Department of Dentistry and Oral-Maxillofacial Surgery, Graduate School of Medicine, Chiba University Hospital, Chuo-ku, Chiba 260-8670, Japan
| | - Masashi Shiiba
- Department of Medical Oncology, Graduate School of Medicine, Chiba University, Chuo-ku, Chiba 260-8670, Japan
| | - Hideki Tanzawa
- Department of Oral Science, Graduate School of Medicine, Chiba University, Chuo-ku, Chiba 260-8670, Japan.,Department of Dentistry and Oral-Maxillofacial Surgery, Graduate School of Medicine, Chiba University Hospital, Chuo-ku, Chiba 260-8670, Japan
| | - Katsuhiro Uzawa
- Department of Oral Science, Graduate School of Medicine, Chiba University, Chuo-ku, Chiba 260-8670, Japan.,Department of Dentistry and Oral-Maxillofacial Surgery, Graduate School of Medicine, Chiba University Hospital, Chuo-ku, Chiba 260-8670, Japan
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31
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Banworth MJ, Li G. Consequences of Rab GTPase dysfunction in genetic or acquired human diseases. Small GTPases 2018. [PMID: 29239692 DOI: 10.1080/215412481397833] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/23/2023] Open
Abstract
Rab GTPases are important regulators of intracellular membrane trafficking in eukaryotes. Both activating and inactivating mutations in Rab genes have been identified and implicated in human diseases ranging from neurological disorders to cancer. In addition, altered Rab expression is often associated with disease prognosis. As such, the study of diseases associated with Rabs or Rab-interacting proteins has shed light on the important role of intracellular membrane trafficking in disease etiology. In this review, we cover recent advances in the field with an emphasis on cellular mechanisms.
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Affiliation(s)
- Marcellus J Banworth
- a Department of Biochemistry and Molecular Biology , University of Oklahoma Health Sciences Center , Oklahoma City , OK , USA
| | - Guangpu Li
- a Department of Biochemistry and Molecular Biology , University of Oklahoma Health Sciences Center , Oklahoma City , OK , USA
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32
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Xu B, Huang C, Yang X, Li X, Li L, Ding Y. Significance and prognostic role of human epidermal growth factor receptor 2 and RAB1A expression in gastric cancer. Oncol Lett 2018; 15:5185-5192. [PMID: 29552156 DOI: 10.3892/ol.2018.7992] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2017] [Accepted: 01/24/2018] [Indexed: 12/29/2022] Open
Abstract
Human epidermal growth factor receptor 2 (HER-2) has an important clinical role in various cancers. However, the prognostic impact of HER-2 in gastric cancer (GC) is controversial. RAB1A is an important small molecule in the mechanistic target of rapamycin signalling pathway, which is one of the downstream signalling pathways of the epidermal growth factor receptor family. In recent years, the aberrant expression of RAB1A has been reported in a number of tumours, but its regulation in GC has not been extensively examined. Therefore, the present study investigated the expression pattern and prognostic significance of HER-2 and RAB1A in gastric adenocarcinoma (CAG). A comprehensive analysis was performed to examine the expression level of HER-2 and RAB1A in 280 cases of paired paraffin-embedded GAC tissues and an additional 120 archived GAC tissue samples. HER-2 and RAB1A protein expression was assessed by immunohistochemistry and cases with a 2+ score for HER-2 expression levels were subjected to fluorescence in situ hybridization to determine the HER-2 amplification status. Furthermore, HER-2 and RAB1A mRNA expression was quantified by reverse transcription-quantitative polymerase chain reaction. The comparison of continuous data between two groups was performed using a paired-samples t-test. Clinical correlations were determined using Pearson's Chi-square and Fisher's exact tests. Kaplan-Meier survival curves were used to estimate overall survival (OS). Cox proportional hazards models were used to determine associations between HER-2 and RAB1A expression and outcomes. Regression analyses were performed to detect the correlation between the mRNA levels of HER-2 and RAB1A in GAC tissues. It was observed that RAB1A was significantly overexpressed in GAC tissues compared with normal tissues (P<0.001). Approximately 12.86% of the 280 GAC patients had HER-2 amplification. Additionally, RAB1A expression was significantly associated with a short OS (P<0.001) but there were no significant differences in survival between the HER-2 high-expression group and the HER-2 low-expression group. Additionally, the co-expression of HER-2 and RAB1A indicated poorer OS than the overexpression of each protein (P=0.001), and the two factors were significantly positively correlated in GAC (P=0.012). These findings may be used to further explore the molecular mechanisms and regulatory associations among signalling pathways in GC.
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Affiliation(s)
- Bihong Xu
- Department of Pathology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Chunyu Huang
- Department of Endoscopy, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong 510060, P.R. China.,State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong 510060, P.R. China
| | - Xianzi Yang
- Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, Guangdong 510095, P.R. China
| | - Xiangzhao Li
- Department of Pathology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Liang Li
- Department of Pathology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Yanqing Ding
- Department of Pathology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
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33
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LncRNA DANCR functions as a competing endogenous RNA to regulate RAB1A expression by sponging miR-634 in glioma. Biosci Rep 2018; 38:BSR20171664. [PMID: 29301870 PMCID: PMC5794498 DOI: 10.1042/bsr20171664] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Revised: 01/03/2018] [Accepted: 01/04/2018] [Indexed: 01/12/2023] Open
Abstract
Long noncoding RNA (lncRNA) differentiation antagonizing nonprotein coding RNA (DANCR) plays important regulatory roles in many solid tumors. However, the effect of DANCR in glioma progression and underlying molecular mechanisms were not entirely explored. In the present study, we determined the expression of DANCR in glioma tissues and cell lines using qRT-PCR and further defined the biological functions. Furthermore, we used luciferase reporter assay, Western blot, and RNA immunoprecipitation (RIP) to explore the underlying mechanism. Our results showed that DANCR was significantly up-regulated in glioma tissues and cell lines (U251, U118, LN229, and U87MG). High DANCR expression was correlated with advanced tumor grade. Inhibition of DANCR suppressed the glioma cells proliferation and induced cells arrested in the G0/G1 phase. In addition, we verified that DANCR could directly interact with miR-634 in glioma cells and this interaction resulted in the inhibition of downstream of RAB1A expression. The present study demonstrated that DANCR/miR-634/RAB1A axis plays crucial roles in the progression of glioma, and DANCR might potentially serve as a therapeutic target for the treatment of glioma patients.
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34
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Banworth MJ, Li G. Consequences of Rab GTPase dysfunction in genetic or acquired human diseases. Small GTPases 2017; 9:158-181. [PMID: 29239692 DOI: 10.1080/21541248.2017.1397833] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Rab GTPases are important regulators of intracellular membrane trafficking in eukaryotes. Both activating and inactivating mutations in Rab genes have been identified and implicated in human diseases ranging from neurological disorders to cancer. In addition, altered Rab expression is often associated with disease prognosis. As such, the study of diseases associated with Rabs or Rab-interacting proteins has shed light on the important role of intracellular membrane trafficking in disease etiology. In this review, we cover recent advances in the field with an emphasis on cellular mechanisms.
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Affiliation(s)
- Marcellus J Banworth
- a Department of Biochemistry and Molecular Biology , University of Oklahoma Health Sciences Center , Oklahoma City , OK , USA
| | - Guangpu Li
- a Department of Biochemistry and Molecular Biology , University of Oklahoma Health Sciences Center , Oklahoma City , OK , USA
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35
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Wang X, Liu F, Qin X, Huang T, Huang B, Zhang Y, Jiang B. Expression of Rab1A is upregulated in human lung cancer and associated with tumor size and T stage. Aging (Albany NY) 2017; 8:2790-2798. [PMID: 27902464 PMCID: PMC5191870 DOI: 10.18632/aging.101087] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2016] [Accepted: 11/09/2016] [Indexed: 12/27/2022]
Abstract
Rab1A expression is associated with malignant phenotypes in several human tumors; however, the role of Rab1A in lung cancer is still unclear. In this study, we attempted to establish the role of Rab1A in major human lung cancer subtypes. Rab1A expression in different histological types of human lung cancer was analyzed in lung cancer tissues with paired adjacent noncancerous tissues and a large panel of lung cancer cell lines. The effect of Rab1A expression on multiple cancer-associated signaling pathways was also examined. The results demonstrated that Rab1A was significantly overexpressed in the different histological types of lung cancer as compared to non-cancerous tissues, and Rab1A expression was correlated with tumor volume and stage. In a large panel of lung cancer cell lines, high Rab1A expression was observed as compared to a normal lung/bronchus epithelial cell line. However, Rab1A protein levels were not correlated with mTORC1 (P-S6K1), mTORC2 (P-AKT), MEK (P-ERK), JNK (P-c-Jun) or p38MAPK (P-MK2) signaling. Rab1A knockdown had no effect on mTOR signaling or cell growth. These data suggested that Rab1A may be involved in the pathogenesis of human lung cancer in an mTOR- and MAPK-independent manner.
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Affiliation(s)
- Xinxin Wang
- Oncology Department, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 201999, China
| | - Feng Liu
- Oncology Department, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 201999, China
| | - Xiaoyu Qin
- Oncology Department, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 201999, China
| | - Tinglei Huang
- Oncology Department, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 201999, China
| | - Bo Huang
- Oncology Department, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 201999, China
| | - Yanjie Zhang
- Oncology Department, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 201999, China
| | - Bin Jiang
- Oncology Department, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 201999, China
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36
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Pokharel D, Roseblade A, Oenarto V, Lu JF, Bebawy M. Proteins regulating the intercellular transfer and function of P-glycoprotein in multidrug-resistant cancer. Ecancermedicalscience 2017; 11:768. [PMID: 29062386 PMCID: PMC5636210 DOI: 10.3332/ecancer.2017.768] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2017] [Indexed: 12/15/2022] Open
Abstract
Chemotherapy is an essential part of anticancer treatment. However, the overexpression of P-glycoprotein (P-gp) and the subsequent emergence of multidrug resistance (MDR) hampers successful treatment clinically. P-gp is a multidrug efflux transporter that functions to protect cells from xenobiotics by exporting them out from the plasma membrane to the extracellular space. P-gp inhibitors have been developed in an attempt to overcome P-gp-mediated MDR; however, lack of specificity and dose limiting toxicity have limited their effectiveness clinically. Recent studies report on accessory proteins that either directly or indirectly regulate P-gp expression and function and which are necessary for the establishment of the functional phenotype in cancer cells. This review discusses the role of these proteins, some of which have been recently proposed to comprise an interactive complex, and discusses their contribution towards MDR. We also discuss the role of other pathways and proteins in regulating P-gp expression in cells. The potential for these proteins as novel therapeutic targets provides new opportunities to circumvent MDR clinically.
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Affiliation(s)
- Deep Pokharel
- Discipline of Pharmacy, The Graduate School of Health, The University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Ariane Roseblade
- Discipline of Pharmacy, The Graduate School of Health, The University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Vici Oenarto
- Discipline of Pharmacy, The Graduate School of Health, The University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Jamie F Lu
- Discipline of Pharmacy, The Graduate School of Health, The University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Mary Bebawy
- Discipline of Pharmacy, The Graduate School of Health, The University of Technology Sydney, Sydney, NSW 2007, Australia.,Laboratory of Cancer Cell Biology and Therapeutics, The University of Technology Sydney, Sydney, NSW 2007, Australia
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37
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Khakpour G, Noruzinia M, Izadi P, Karami F, Ahmadvand M, Heshmat R, Amoli MM, Tavakkoly-Bazzaz J. Methylomics of breast cancer: Seeking epimarkers in peripheral blood of young subjects. Tumour Biol 2017; 39:1010428317695040. [PMID: 28349825 DOI: 10.1177/1010428317695040] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Critical roles of epigenomic alterations in the pathogenesis of breast cancer have recently seized great attentions toward finding epimarkers in either non-invasive or semi-non-invasive samples as well as peripheral blood. In this way, methylated DNA immunoprecipitation microarray (MeDIP-chip) was performed on DNA samples isolated from white blood cells of 30 breast cancer patients compared to 30 healthy controls. A total of 1799 differentially methylated regions were identified including SLC6A3, Rab40C, ZNF584, and FOXD3 whose significant methylation differences were confirmed in breast cancer patients through quantitative real-time polymerase chain reaction. Hypermethylation of APC, HDAC1, and GSK1 genes has been previously reported in more than one study on tissue samples of breast cancer. Methylation of those aforementioned genes in white blood cells of our young patients not only relies on their importance in breast cancer pathogenesis but also may highlight their potential as early epimarkers that makes further assessments necessary in large cohort studies.
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Affiliation(s)
- Golnaz Khakpour
- 1 Department of Medical Genetics, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mehrdad Noruzinia
- 2 Department of Medical Genetics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Pantea Izadi
- 1 Department of Medical Genetics, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Karami
- 3 Department of Medical Genetics, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Mohammad Ahmadvand
- 4 Hematology, Oncology and Stem Cell Transplantation Research Center, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Ramin Heshmat
- 5 Chronic Disease Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahsa M Amoli
- 6 Metabolic Disorders Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Javad Tavakkoly-Bazzaz
- 1 Department of Medical Genetics, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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38
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Qin X, Wang J, Wang X, Liu F, Jiang B, Zhang Y. Targeting Rabs as a novel therapeutic strategy for cancer therapy. Drug Discov Today 2017; 22:1139-1147. [PMID: 28390930 DOI: 10.1016/j.drudis.2017.03.012] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Revised: 02/18/2017] [Accepted: 03/21/2017] [Indexed: 12/13/2022]
Abstract
Rab GTPases constitute the largest family of small GTPases. Rabs regulate not only membrane trafficking but also cell signaling, growth and survival, and development. Increasingly, Rabs and their effectors are shown to be overexpressed or subject to loss-of-function mutations in a variety of disease settings, including cancer progression. This review provides an overview of dysregulated Rab proteins in cancer, and highlights the signaling and secretory pathways in which they operate, with the aim of identifying potential avenues for therapeutic intervention. Recent progress and perspectives for direct and/or indirect targeting of Rabs are also summarized.
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Affiliation(s)
- Xiaoyu Qin
- Oncology Department, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 201900, China
| | - Jiongyi Wang
- Oncology Department, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 201900, China
| | - Xinxin Wang
- Oncology Department, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 201900, China
| | - Feng Liu
- Oncology Department, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 201900, China
| | - Bin Jiang
- Oncology Department, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 201900, China.
| | - Yanjie Zhang
- Oncology Department, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 201900, China.
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Liu S, Ye D, Wang T, Guo W, Song H, Liao Y, Xu D, Zhu H, Zhang Z, Deng J. Repression of GPRC5A is associated with activated STAT3, which contributes to tumor progression of head and neck squamous cell carcinoma. Cancer Cell Int 2017; 17:34. [PMID: 28270740 PMCID: PMC5335824 DOI: 10.1186/s12935-017-0406-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Accepted: 02/22/2017] [Indexed: 01/05/2023] Open
Abstract
Background G protein–coupled receptor family C group 5 member A (GPRC5A), a retinoic acid-inducible gene, is a lung tumor suppressor. Previously, we showed that repression of GPRC5A expression was associated with pathologic differentiation grade of oral squamous cell carcinomas (OSCC) and overexpression of GPRC5A gene inhibited the malignant phenotype in OSCC cells, suggesting that GPRC5A also functions as a tumor suppressor in oral cancer. However, the molecular mechanisms underlying GPRC5A deficiency in head and neck squamous cell carcinoma (HNSCC) are still unclear. Methods In this study, we used Western blot analysis and immunohistochemical (IHC) staining to investigate the expression of GPRC5A in both HNSCC cell lines and clinical samples. GPRC5A stable transfectants and their parental HNSCC cells were characterized for their biological activities in anchorage-independent growth. Results IHC analysis showed that, GPRC5A expression was high in normal tissue, but gradually decreased in oral leukoplakia, a precancerous stage, and greatly suppressed in primary cancer. Repression of GPRC5A was correlated with activated STAT3, which associates with aggressive clinicopathological features in HNSCC patients. Moreover, overexpression of GPRC5A suppressed IL-6-induced-STAT3 activation and inhibited anchorage-independent growth in HNSCC cells. Conclusions Repressed GPRC5A associates with increased tumor grade and activated STAT3, which may be used as a prognostic marker for tumor progression of HNSCC.
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Affiliation(s)
- Shuli Liu
- Department of Oral and Maxillofacial-Head and Neck Oncology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Dongxia Ye
- Department of Oral and Maxillofacial-Head and Neck Oncology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Tong Wang
- Key laboratory of cell differentiation and apoptosis of Chinese Minister of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wenzheng Guo
- Key laboratory of cell differentiation and apoptosis of Chinese Minister of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hongyong Song
- Key laboratory of cell differentiation and apoptosis of Chinese Minister of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yueling Liao
- Key laboratory of cell differentiation and apoptosis of Chinese Minister of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Dongliang Xu
- Key laboratory of cell differentiation and apoptosis of Chinese Minister of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hanguang Zhu
- Department of Oral and Maxillofacial-Head and Neck Oncology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhiyuan Zhang
- Department of Oral and Maxillofacial-Head and Neck Oncology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jiong Deng
- Key laboratory of cell differentiation and apoptosis of Chinese Minister of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Department of Biochemistry and Molecular Cell Biology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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40
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Yoshimura S, Kasamatsu A, Nakashima D, Iyoda M, Kasama H, Saito T, Takahara T, Endo-Sakamoto Y, Shiiba M, Tanzawa H, Uzawa K. UBE2S associated with OSCC proliferation by promotion of P21 degradation via the ubiquitin-proteasome system. Biochem Biophys Res Commun 2017; 485:820-825. [PMID: 28257844 DOI: 10.1016/j.bbrc.2017.02.138] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Accepted: 02/27/2017] [Indexed: 12/12/2022]
Abstract
Ubiquitin-conjugating enzyme E2S (UBE2S), a family of E2 protein in the ubiquitin-proteasome system, is highly expressed in several types of cancers; however, its roles in oral squamous cell carcinoma (OSCC) have not yet been well elucidated. The purpose of this study was to clarify the functional activities of UBE2S in OSCCs. We analyzed the expression levels of UBE2S in nine OSCC cell lines and primary OSCC tissues by quantitative reverse transcriptase-polymerase chain reaction, Western blotting, and immunohistochemistry (IHC). The correlations between UBE2S expression and clinical classifications of OSCCs were analyzed using the IHC scoring system. We also used UBE2S knockdown OSCC cells for functional assays (proliferation assay, flow cytometry, and Western blotting). UBE2S was overexpressed in OSCCs in vitro and in vivo and was correlated significantly (P < 0.05) with the primary tumoral size. The cellular growth was decreased and the cell-cycle was arrested in the G2/M phase in the UBE2S knockdown (shUBE2S) cells. The expression level of P21, a target of the ubiquitin-proteasome system, was increased in the shUBE2S cells because of lower anaphase activity that promotes complex subunit 3 (APC3), an E3 ubiquitin ligase, compared with shMock cells. These findings might promote the understanding of the relationship between UBE2S overexpression and oral cancer proliferation, indicating that UBE2S would be a potential biomarker of and therapeutic target in OSCCs.
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Affiliation(s)
- Shusaku Yoshimura
- Department of Oral Science, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Atsushi Kasamatsu
- Department of Dentistry and Oral-Maxillofacial Surgery, Chiba University Hospital, Chiba, Japan.
| | - Dai Nakashima
- Department of Oral Science, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Manabu Iyoda
- Division of Oral Surgery, Chiba Rosai Hospital, Chiba, Japan
| | - Hiroki Kasama
- Division of Oral Surgery, Chiba Rosai Hospital, Chiba, Japan
| | - Tomoaki Saito
- Division of Oral Surgery, Chiba Rosai Hospital, Chiba, Japan
| | - Toshikazu Takahara
- Department of Oral Science, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Yosuke Endo-Sakamoto
- Department of Dentistry and Oral-Maxillofacial Surgery, Chiba University Hospital, Chiba, Japan
| | - Masashi Shiiba
- Department of Medical Oncology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Hideki Tanzawa
- Department of Oral Science, Graduate School of Medicine, Chiba University, Chiba, Japan; Department of Dentistry and Oral-Maxillofacial Surgery, Chiba University Hospital, Chiba, Japan
| | - Katsuhiro Uzawa
- Department of Oral Science, Graduate School of Medicine, Chiba University, Chiba, Japan; Department of Dentistry and Oral-Maxillofacial Surgery, Chiba University Hospital, Chiba, Japan.
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41
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Koide N, Kasamatsu A, Endo-Sakamoto Y, Ishida S, Shimizu T, Kimura Y, Miyamoto I, Yoshimura S, Shiiba M, Tanzawa H, Uzawa K. Evidence for Critical Role of Lymphocyte Cytosolic Protein 1 in Oral Cancer. Sci Rep 2017; 7:43379. [PMID: 28230172 PMCID: PMC5322526 DOI: 10.1038/srep43379] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2016] [Accepted: 01/23/2017] [Indexed: 12/26/2022] Open
Abstract
Lymphocyte cytosolic protein 1 (LCP1), a member of actin-binding protein of the plastin family, has been identified in several malignant tumors of non-hematopoietic sites, such as the colon, prostate, and breast. However, little is known about the roles of LCP1 in oral squamous cell carcinomas (OSCCs). This present study sought to clarify the clinical relevance of LCP1 in OSCCs and investigate possible clinical applications for treating OSCCs by regulating LCP1 expression. We found up-regulation of LCP1in OSCCs compared with normal counterparts using real-time quantitative reverse transcription polymerase chain reaction (qRT-PCR), immunoblotting, and immunohistochemistry (P < 0.05). We used shRNA models for LCP1 (shLCP1) and enoxacin (ENX), a fluoroquinolone antibiotic drug, as a regulator of LCP1 expression. In addition to the LCP1 knockdown experiments in which shLCP1 cells showed several depressed functions, including cellular proliferation, invasiveness, and migratory activities, ENX-treated cells also had attenuated functions. Consistent with our hypothesis from our in vitro data, LCP1-positive OSCC samples were correlated closely with the primary tumoral size and regional lymph node metastasis. These results suggested that LCP1 is a useful biomarker for determining progression of OSCCs and that ENX might be a new therapeutic agent for treating OSCCs by controlling LCP1 expression.
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Affiliation(s)
- Nao Koide
- Department of Oral Science, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Atsushi Kasamatsu
- Department of Dentistry and Oral-Maxillofacial Surgery, Chiba University Hospital, Chiba, Japan
| | - Yosuke Endo-Sakamoto
- Department of Dentistry and Oral-Maxillofacial Surgery, Chiba University Hospital, Chiba, Japan
| | - Sho Ishida
- Department of Oral Science, Graduate School of Medicine, Chiba University, Chiba, Japan
| | | | - Yasushi Kimura
- Department of Oral and maxillofacial Surgery Research Institute, National Defense Medical College, Saitama, Japan
| | - Isao Miyamoto
- Department of Dentistry and Oral-Maxillofacial Surgery, Japanese Red Cross Fukaya Hospital, Saitama, Japan
| | - Shusaku Yoshimura
- Department of Oral Science, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Masashi Shiiba
- Department of Clinical Oncology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Hideki Tanzawa
- Department of Oral Science, Graduate School of Medicine, Chiba University, Chiba, Japan.,Department of Dentistry and Oral-Maxillofacial Surgery, Chiba University Hospital, Chiba, Japan
| | - Katsuhiro Uzawa
- Department of Oral Science, Graduate School of Medicine, Chiba University, Chiba, Japan.,Department of Dentistry and Oral-Maxillofacial Surgery, Chiba University Hospital, Chiba, Japan
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42
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Lukman S, Nguyen MN, Sim K, Teo JCM. Discovery of Rab1 binding sites using an ensemble of clustering methods. Proteins 2017; 85:859-871. [PMID: 28120477 DOI: 10.1002/prot.25254] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Revised: 12/28/2016] [Accepted: 01/19/2017] [Indexed: 12/29/2022]
Abstract
Targeting non-native-ligand binding sites for potential investigative and therapeutic applications is an attractive strategy in proteins that share common native ligands, as in Rab1 protein. Rab1 is a subfamily member of Rab proteins, which are members of Ras GTPase superfamily. All Ras GTPase superfamily members bind to native ligands GTP and GDP, that switch on and off the proteins, respectively. Rab1 is physiologically essential for autophagy and transport between endoplasmic reticulum and Golgi apparatus. Pathologically, Rab1 is implicated in human cancers, a neurodegenerative disease, cardiomyopathy, and bacteria-caused infectious diseases. We have performed structural analyses on Rab1 protein using a unique ensemble of clustering methods, including multi-step principal component analysis, non-negative matrix factorization, and independent component analysis, to better identify representative Rab1 proteins than the application of a single clustering method alone does. We then used the identified representative Rab1 structures, resolved in multiple ligand states, to map their known and novel binding sites. We report here at least a novel binding site on Rab1, involving Rab1-specific residues that could be further explored for the rational design and development of investigative probes and/or therapeutic small molecules against the Rab1 protein. Proteins 2017; 85:859-871. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Suryani Lukman
- Khalifa University, Abu Dhabi Campus, PO Box, 127788, Abu Dhabi, United Arab Emirates
| | - Minh N Nguyen
- Bioinformatics Institute, Agency for Science, Technology and Research, 30 Biopolis Street, #07-01 Matrix, Singapore, 138671, Singapore
| | - Kelvin Sim
- OneAnalytix Pte Ltd, Onn Wah Building #04-01, 11 Changi South Lane Singapore, 486154, Singapore
| | - Jeremy C M Teo
- Khalifa University, Abu Dhabi Campus, PO Box, 127788, Abu Dhabi, United Arab Emirates
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Xu H, Qian M, Zhao B, Wu C, Maskey N, Song H, Li D, Song J, Hua K, Fang L. Inhibition of RAB1A suppresses epithelial-mesenchymal transition and proliferation of triple-negative breast cancer cells. Oncol Rep 2017; 37:1619-1626. [PMID: 28184936 DOI: 10.3892/or.2017.5404] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2016] [Accepted: 01/16/2017] [Indexed: 11/05/2022] Open
Abstract
RAB1A acts as an oncogene in various cancers, and emerging evidence has verified that RAB1A is an mTORC1 activator in hepatocellular and colorectal cancer, but the role of RAB1A in breast cancer remains unclear. In this investigation, RAB1A siRNA was successfully transfected in MDA-MB-231 and BT-549 human triple-negative breast cancer cells, and verified by real‑time quantitative polymerase chain reaction and western blotting. Then, MTT cell proliferation, colony formation, cell invasion and wound healing assays were performed to characterize the function of RAB1A in the breast cancer cell lines. Downregulation of RAB1A inhibited cellular growth, cell migration, cell invasion and cell epithelial-mesenchymal transition. Furthermore, compared with NC siRNA transfected cells, RAB1A siRNA transfected breast cancer cells inhibited the phosphorylation of S6K1, the effector molecular of mTORC1. Collectively, our data suggested that RAB1A acts as an oncogene by regulating cellular proliferation, growth, invasion and metastasis via activation of mTORC1 pathway in triple-negative breast cancer.
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Affiliation(s)
- Hui Xu
- Department of Breast and Thyroid Surgery, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai 200072, P.R. China
| | - Mingping Qian
- Department of Breast and Thyroid Surgery, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai 200072, P.R. China
| | - Bingkun Zhao
- Department of Breast and Thyroid Surgery, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai 200072, P.R. China
| | - Chenyang Wu
- Department of Breast and Thyroid Surgery, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai 200072, P.R. China
| | - Niraj Maskey
- Department of Breast and Thyroid Surgery, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai 200072, P.R. China
| | - Hongming Song
- Department of Breast and Thyroid Surgery, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai 200072, P.R. China
| | - Dengfeng Li
- Department of Breast and Thyroid Surgery, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai 200072, P.R. China
| | - Jialu Song
- Department of Breast and Thyroid Surgery, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai 200072, P.R. China
| | - Kaiyao Hua
- Department of Breast and Thyroid Surgery, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai 200072, P.R. China
| | - Lin Fang
- Department of Breast and Thyroid Surgery, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai 200072, P.R. China
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Ishida S, Kasamatsu A, Endo-Sakamoto Y, Nakashima D, Koide N, Takahara T, Shimizu T, Iyoda M, Shiiba M, Tanzawa H, Uzawa K. Novel mechanism of aberrant ZIP4 expression with zinc supplementation in oral tumorigenesis. Biochem Biophys Res Commun 2016; 483:339-345. [PMID: 28017725 DOI: 10.1016/j.bbrc.2016.12.142] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2016] [Accepted: 12/21/2016] [Indexed: 12/13/2022]
Abstract
Zrt-Irt-like protein 4 (ZIP4) is critical molecule for proper mammalian development and releasing zinc from vesicular compartments. Recent studies suggested that ZIP4 plays an important role of tumor progression in pancreatic, prostate, and hepatocellular cancers, however, little is known about the detail mechanism of ZIP4 in their cancers. In the present study, we examined the possibility of ZIP4 as a new molecular target for oral squamous cell carcinoma (OSCC). We evaluated ZIP4 expression in OSCC-derived cell lines and primary OSCC samples by quantitative RT-PCR, immunoblotting, and immunohistochemistry (IHC). We also analyzed the clinical correlation between ZIP4 status and clinical behaviors in patients with OSCC. In addition, ZIP4 knockdown cells (shZIP4 cells) and ZnCl2 treatment were used for functional experiments, including cellular proliferation assay, zinc uptake assay, and cell-cycle analysis. ZIP4 mRNA and protein were up-regulated significantly in OSCCs compared with normal counterparts in vitro and in vivo. IHC showed that ZIP4 expression in the primary OSCC was positively correlated with primary tumoral size. The shZIP4 cells showed decrease accumulation of intercellular zinc and decreased cellular growth by cell-cycle arrest at the G1 phase, resulting from up-regulation of cyclin-dependent kinase inhibitors and down-regulation of cyclins and cyclin-dependent kinases. Since cellular growth of OSCC cells after treatment with zinc was significantly greater than control cells, we speculated that intercellular ZnCl2 accumulation is an important factor for cellular growth. Consistent with our hypothesis, not only decreased zinc uptake by ZIP4 knockdown but also chelating agent, N,N,N',N'-tetrakis(2-pyridylmethyl) ethylenediamine (TPEN), showed inhibitory effects of cellular proliferation. Therefore, our data provide evidence for an essential role of ZIP4 and intracellular zinc for tumoral growth in OSCC, suggesting that zinc uptake might be a potential therapeutic targeting event for OSCCs.
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Affiliation(s)
- Sho Ishida
- Department of Oral Science, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Atsushi Kasamatsu
- Department of Dentistry and Oral-Maxillofacial Surgery, Chiba University Hospital, Chiba, Japan.
| | - Yosuke Endo-Sakamoto
- Department of Dentistry and Oral-Maxillofacial Surgery, Chiba University Hospital, Chiba, Japan
| | - Dai Nakashima
- Department of Oral Science, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Nao Koide
- Department of Oral Science, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Toshikazu Takahara
- Department of Oral Science, Graduate School of Medicine, Chiba University, Chiba, Japan
| | | | - Manabu Iyoda
- Division of Oral Surgery, Chiba Rosai Hospital, Chiba, Japan
| | - Masashi Shiiba
- Department of Medical Oncology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Hideki Tanzawa
- Department of Oral Science, Graduate School of Medicine, Chiba University, Chiba, Japan; Department of Dentistry and Oral-Maxillofacial Surgery, Chiba University Hospital, Chiba, Japan
| | - Katsuhiro Uzawa
- Department of Oral Science, Graduate School of Medicine, Chiba University, Chiba, Japan; Department of Dentistry and Oral-Maxillofacial Surgery, Chiba University Hospital, Chiba, Japan.
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Yu J, Wang L, Yang H, Ding D, Zhang L, Wang J, Chen Q, Zou Q, Jin Y, Liu X. Rab14 Suppression Mediated by MiR-320a Inhibits Cell Proliferation, Migration and Invasion in Breast Cancer. J Cancer 2016; 7:2317-2326. [PMID: 27994670 PMCID: PMC5166543 DOI: 10.7150/jca.15737] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2016] [Accepted: 09/17/2016] [Indexed: 12/11/2022] Open
Abstract
We found that microRNA-320a (miR-320a) was an attractive prognostic biomarker in breast cancer (BC) previously, whereas its regulatory mechanism in BC was not well understood. Our aim was to identify miR-320a target gene, examine the clinical relationship between miR-320a and its target, and further explore the functions of its target in BC. In this study, miR-320a downstream target gene was determined in HEK-293T cells by dual luciferase reporter assay. Then western blotting and immunohistochemistry were used to assess miR-320a target gene expression in fresh frozen (n=19, breast cancer and matched non-malignant adjacent tissue samples) and formalin-fixed paraffin-embedded (FFPE) (n=130, invasive BC tissues, the same panel detected for miR-320a expression previously) breast tissues, respectively. The results suggested that miR-320a could significantly suppressed Rab14 3'-untranslated region luciferase-reporter activity, and thus Rab14 was first identified as miR-320a target in BC. In 19 matched breast tissues, 12 (63%) breast cancer tissues showed high expression of Rab14 compared with the corresponding normal tissues. Rab14 immunoreactivity was mainly detected in the cytoplasm, 77/130 (59.2%) showed high expression. Furthermore, Rab14 expression was found to be inversely correlated with miR-320a expression in fresh-frozen breast tissues as well as in FFPE invasive breast cancer samples. In addition, Rab14 expression levels were positively related to tumor size (P = 0.034), lymph node metastasis (P < 0.001), distant metastasis (P = 0.001), histological grade (P = 0.035) and clinical tumor lymph-node metastasis stage (P = 0.001). Patients with higher Rab14 expression showed shorter overall survival time. Moreover, silencing of Rab14 could suppress proliferation, migration and invasion in breast cancer cell lines. Collectively, our results indicate that miR-320a could target Rab14 and that they could interact biologically in BC.
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Affiliation(s)
- Juan Yu
- Department of Pathology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Lei Wang
- Department of Pathology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Haiping Yang
- Department of Pathology, People's Hospital, Linzi District, Zibo City, Shandong 255400, China
| | - Di Ding
- Department of Pathology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Lei Zhang
- Department of Pathology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Jigang Wang
- Department of Pathology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Qi Chen
- Department of Pathology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Qiang Zou
- Department of Surgery, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Yiting Jin
- Department of Surgery, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Xiuping Liu
- Department of Pathology, the Fifth People's Hospital, Fudan University, Shanghai 200240, China
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Ma HL, Jin SF, Tao WJ, Zhang ML, Zhang ZY. Overexpression of stathmin/oncoprotein 18 correlates with poorer prognosis and interacts with p53 in oral squamous cell carcinoma. J Craniomaxillofac Surg 2016; 44:1725-1732. [DOI: 10.1016/j.jcms.2016.07.033] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2016] [Revised: 06/29/2016] [Accepted: 07/29/2016] [Indexed: 12/11/2022] Open
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Affiliation(s)
- Yue Li
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - Hui-Yun Wang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou 510060, China.,Rutgers Cancer Institute of New Jersey and Department of Pharmacology, Robert Wood Johnson Medical School, Rutgers, the State University of New Jersey, New Brunswick, NJ 08903 USA
| | - X F Steven Zheng
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou 510060, China.,Rutgers Cancer Institute of New Jersey and Department of Pharmacology, Robert Wood Johnson Medical School, Rutgers, the State University of New Jersey, New Brunswick, NJ 08903 USA
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48
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Zhang CZ, Cao Y, Fu J, Yun JP, Zhang MF. miR-634 exhibits anti-tumor activities toward hepatocellular carcinoma via Rab1A and DHX33. Mol Oncol 2016; 10:1532-1541. [PMID: 27693040 DOI: 10.1016/j.molonc.2016.09.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Revised: 09/09/2016] [Accepted: 09/09/2016] [Indexed: 01/13/2023] Open
Abstract
Deregulation of microRNAs contributes to the aberrant growth of hepatocellular carcinoma (HCC). Here, we showed that miR-634 expression was frequently decreased in HCC. Low miR-634 expression was significantly associated with larger tumor size, poorer tumor differentiation, advanced TNM stage, vascular invasion, absence of tumor capsule and unfavorable overall survival. Overexpression of miR-634 markedly attenuated cell viability, colony formation, tumor growth and metastasis, whereas miR-634 inhibition resulted in the opposite phenotypes. Furthermore, re-introduction of miR-634 induced cell apoptosis in vitro and in vivo. Mechanistically, miR-634 inhibited the expression of Rab1A and DHX33 via directly binding to the 3'-UTR of both genes. In clinical samples, the expression of Rab1A or DHX33 was reversely correlated with miR-634. Re-expression of Rab1A or DHX33 abrogated the miR-634-mediated inhibition of cell proliferation and migration. Collectively, our data suggest a tumor suppressor role of miR-634 in HCC. The newly identified miR-634/Rab1A or miR-634/DHX33 axis serves as a potential therapeutic target for the clinical management.
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Affiliation(s)
- Chris Zhiyi Zhang
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China; Department of Pathology, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - Yun Cao
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China; Department of Pathology, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - Jia Fu
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China; Department of Pathology, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - Jing-Ping Yun
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China; Department of Pathology, Sun Yat-sen University Cancer Center, Guangzhou 510060, China.
| | - Mei-Fang Zhang
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou 510060, China; Department of Pathology, Sun Yat-sen University Cancer Center, Guangzhou 510060, China.
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Megger DA, Rosowski K, Ahrens M, Bracht T, Eisenacher M, Schlaak JF, Weber F, Hoffmann AC, Meyer HE, Baba HA, Sitek B. Tissue-based quantitative proteome analysis of human hepatocellular carcinoma using tandem mass tags. Biomarkers 2016; 22:113-122. [DOI: 10.1080/1354750x.2016.1210678] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
| | | | - Maike Ahrens
- Medizinisches Proteom-Center, Ruhr-Universität Bochum, Germany
| | - Thilo Bracht
- Medizinisches Proteom-Center, Ruhr-Universität Bochum, Germany
| | | | - Jörg F. Schlaak
- Department of Gastroenterology and Hepatology, University Hospital of Essen, Germany
| | - Frank Weber
- Department of General, Visceral and Transplantation Surgery, University Hospital of Essen, Germany
| | - Andreas-Claudius Hoffmann
- Department of Medicine (Cancer Research), Molecular Oncology Risk-Profile Evaluation, University Hospital of Essen, Germany
| | - Helmut E. Meyer
- Medizinisches Proteom-Center, Ruhr-Universität Bochum, Germany
| | - Hideo A. Baba
- Department of Pathology, University Hospital of Essen, Germany
| | - Barbara Sitek
- Medizinisches Proteom-Center, Ruhr-Universität Bochum, Germany
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Xu BH, Li XX, Yang Y, Zhang MY, Rao HL, Wang HY, Zheng XFS. Aberrant amino acid signaling promotes growth and metastasis of hepatocellular carcinomas through Rab1A-dependent activation of mTORC1 by Rab1A. Oncotarget 2016; 6:20813-28. [PMID: 26308575 PMCID: PMC4673231 DOI: 10.18632/oncotarget.5175] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2015] [Accepted: 07/28/2015] [Indexed: 01/11/2023] Open
Abstract
mTORC1 is a master regulator of cell growth and proliferation, and an established anticancer drug target. Aberrant mTORC1 signaling is common in hepatocellular carcinoma (HCC), but the underlying mechanism remains elusive. Rab1A is a newly identified mTORC1 activator that mediates an alternative amino acid (AA) signaling branch to Rag GTPases. Because liver is a physiological hub for nutrient sensing and metabolic homeostasis, we investigated the possible role of Rab1A in HCC. We found that Rab1A is frequently overexpressed in HCC, which enhances hyperactive AA-mTORC1 signaling, promoting malignant growth and metastasis of HCC in vitro and in vivo. Moreover, aberrant Rab1A expression is closely associated with poor prognosis. Strikingly, aberrant Rab1A overexpression leads to increased rapamycin sensitivity, indicating that inappropriate activation of AA signaling is a cancer-driving event in HCC. Our findings further suggest that Rab1A is a valuable biomarker for prognosis and personalized mTORC1-targeted therapy in liver cancer.
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Affiliation(s)
- Bi-Hong Xu
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Xiao-Xing Li
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Yang Yang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Mei-Yin Zhang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Hui-Lan Rao
- Department of Pathology, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Hui-Yun Wang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China.,Rutgers Cancer Institute of New Jersey and Department of Pharmacology, Robert Wood Johnson Medical School, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA
| | - X F Steven Zheng
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China.,Rutgers Cancer Institute of New Jersey and Department of Pharmacology, Robert Wood Johnson Medical School, Rutgers, The State University of New Jersey, New Brunswick, NJ, USA
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