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Mao C, Zhang Z, Fang R, Yuan W, Wu Y, Cong H. A novel tRNA-derived fragment tRF-17-18VBY9M works as a potential diagnostic biomarker for gastric cancer. J Cancer Res Clin Oncol 2024; 150:263. [PMID: 38767702 PMCID: PMC11106195 DOI: 10.1007/s00432-024-05792-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Accepted: 05/08/2024] [Indexed: 05/22/2024]
Abstract
BACKGROUND Gastric cancer (GC) is one of the most prevalent malignant tumors worldwide. The low effectiveness of common biomarkers for the detection of early GC makes it essential to seek new biomarkers to improve diagnostic efficacy. tsRNAs (transfer RNA-derived small RNAs) are related to the growth of malignant tumors. In this article, we focused on whether tsRNAs may be employed as biomarkers for GC. METHODS tRF-17-18VBY9M was screened in the tsRFun database as a research object. The methodological efficacy of tRF-17-18VBY9M was evaluated using Sanger sequencing, agarose gel electrophoresis assays, and gradient dilution. The χ2 test was applied to assess the interaction between tRF-17-18VBY9M expression and clinicopathologic characteristics. The receiver operating characteristic (ROC) curve was utilized to investigate the clinical efficiency of tRF-17-18VBY9M in GC. RESULTS The Chi-square test demonstrated that high-expressed tRF-17-18VBY9M was closely associated with the T stage, tumor node metastasis stage (TNM), lymph node metastasis, and neurological/vascular invasion. ROC curve analysis revealed that the diagnostic value of tRF-17-18VBY9M in GC was superior to carcinoembryonic antigen (CEA), carbohydrate antigen 199 (CA199), and carbohydrate antigen 724 (CA724). CONCLUSION tRF-17-18VBY9M is up-regulated in both GC sera and tissues. Differential tRF-17-18VBY9M expression distinguishes GC patients from healthy donors and gastritis patients, which suggests tRF-17-18VBY9M could act as a diagnostic biomarker in GC.
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Affiliation(s)
- Chunyan Mao
- Department of Laboratory Medicine, Affiliated Hospital of Nantong University, Nantong, 226001, China
- Medical School of Nantong University, Nantong University, Nantong, 226001, China
| | - Zhihan Zhang
- Department of Laboratory Medicine, Affiliated Hospital of Nantong University, Nantong, 226001, China
- Medical School of Nantong University, Nantong University, Nantong, 226001, China
| | - Ronghua Fang
- Department of Laboratory Medicine, Affiliated Hospital of Nantong University, Nantong, 226001, China
- Medical School of Nantong University, Nantong University, Nantong, 226001, China
| | - Wentao Yuan
- Department of Laboratory Medicine, Affiliated Hospital of Nantong University, Nantong, 226001, China
- Medical School of Nantong University, Nantong University, Nantong, 226001, China
| | - Yi Wu
- Department of Laboratory Medicine, Affiliated Hospital of Nantong University, Nantong, 226001, China
- Medical School of Nantong University, Nantong University, Nantong, 226001, China
| | - Hui Cong
- Department of Laboratory Medicine, Affiliated Hospital of Nantong University, Nantong, 226001, China.
- Department of Blood Transfusion, Affiliated Hospital of Nantong University, Nantong, 226001, China.
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Tropeano G, Chiarello MM, Fico V, Brisinda G. How to identify early complications in patients undergoing distal gastrectomy? World J Gastrointest Surg 2024; 16:974-981. [PMID: 38690038 PMCID: PMC11056664 DOI: 10.4240/wjgs.v16.i4.974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Revised: 02/05/2024] [Accepted: 03/25/2024] [Indexed: 04/22/2024] Open
Abstract
In this editorial we comment on the article by Zhang et al published in a recent issue of the World Journal of Gastrointestinal Surgery. Gastrectomy with appropriate lymph node dissection is still standard curative treatment in locally advanced gastric cancer. Several studies point out that gastric cancer surgery is a complex procedure that leads to a high risk of morbidity and mortality. Many factors can contribute to the onset of complications with consequent effects on prognosis and increased mortality. The complications can be divided in complications related to anastomosis, to motility and to surgical site infection. The study presented by Zhang B et al represent an interesting analysis on the possibility to prevent postoperative morbidity. The study was performed on 131 patients with distal gastric cancer who underwent gastrectomy with D2 lymph node dissection. Of these patients, 16% developed early postoperative complications. The univariate analysis showed that prealbumin level, hypertension, diabetes, history of abdominal surgery, R0 resection, and blood transfusion were factors influencing early postoperative complications after distal gastrectomy. Moreover, the inclusion of the above significant variables in the logistic regression analysis revealed that hypertension, diabetes, a history of abdominal surgery, and blood transfusion were independent predictors of postoperative complications. In conclusion, preoperative and intraoperative factors can be used to establish an early postoperative nomogram model. The results of the study presented by Zhang et al suggest that the prediction model can be used to guide the detection of postoperative complications and has clinical reference value.
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Affiliation(s)
- Giuseppe Tropeano
- Emergency Surgery and Trauma Center, Fondazione Policlinico Universitario A Gemelli IRCCS, Rome 00168, Italy
| | | | - Valeria Fico
- Emergency Surgery and Trauma Center, Fondazione Policlinico Universitario A Gemelli IRCCS, Rome 00168, Italy
| | - Giuseppe Brisinda
- Emergency Surgery and Trauma Center, Fondazione Policlinico Universitario A Gemelli IRCCS, Rome 00168, Italy
- Department of Medical and Surgical Sciences, Università Cattolica del Sacro Cuore, Rome 00168, Italy
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Ren JY, Wang D, Zhu LH, Liu S, Yu M, Cai H. Combining systemic inflammatory response index and albumin fibrinogen ratio to predict early serious complications and prognosis after resectable gastric cancer. World J Gastrointest Oncol 2024; 16:732-749. [PMID: 38577468 PMCID: PMC10989372 DOI: 10.4251/wjgo.v16.i3.732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 12/09/2023] [Accepted: 01/09/2024] [Indexed: 03/12/2024] Open
Abstract
BACKGROUND Gastric cancer has a high incidence and fatality rate, and surgery is the preferred course of treatment. Nonetheless, patient survival rates are still low, and the incidence of major postoperative complications cannot be disregarded. The systemic inflammatory response, nutritional level, and coagulation status are key factors affecting the postoperative recovery and prognosis of gastric cancer patients. The systemic inflammatory response index (SIRI) and the albumin fibrinogen ratio (AFR) are two valuable comprehensive indicators of the severity and prognosis of systemic inflammation in various medical conditions. AIM To assess the clinical importance and prognostic significance of the SIRI scores and the AFR on early postoperative outcomes in patients undergoing radical gastric cancer surgery. METHODS We conducted a retrospective analysis of the clinicopathological characteristics and relevant laboratory indices of 568 gastric cancer patients from January 2018 to December 2019. We calculated and compared two indicators of inflammation and then examined the diagnostic ability of combined SIRI and AFR values for serious early postoperative complications. We scored the patients and categorized them into three groups based on their SIRI and AFR levels. COX analysis was used to compare the three groups of patients the prognostic value of various preoperative SIRI-AFR scores for 5-year overall survival (OS) and disease-free survival (DFS). RESULTS SIRI-AFR scores were an independent risk factor for prognosis [OS: P = 0.004; hazards ratio (HR) = 3.134; DFS: P < 0.001; HR = 3.543] and had the highest diagnostic power (area under the curve: 0.779; 95% confidence interval: 0.737-0.820) for early serious complications in patients with gastric cancer. The tumor-node-metastasis stage (P = 0.001), perioperative transfusion (P = 0.044), positive carcinoembryonic antigen (P = 0.014) findings, and major postoperative complications (P = 0.011) were factors associated with prognosis. CONCLUSION Preoperative SIRI and AFR values were significantly associated with early postoperative survival and the occurrence of severe complications in gastric cancer patients.
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Affiliation(s)
- Jing-Yao Ren
- School of Clinical Medicine, Ningxia Medical University, Yinchuan 750000, Ningxia Hui Autonomous Region, China
- General Surgery Clinical Medical Center, Gansu Provincial Hospital, Lanzhou 730000, Gansu Province, China
- Key Laboratory of Molecular Diagnostics and Precision Medicine for Surgical Oncology in Gansu Province, Gansu Provincial Hospital, Lanzhou 730000, Gansu Province, China
- NHC Key Laboratory of Diagnosis and Therapy of Gastrointestinal Tumor, Gansu Provincial Hospital, Lanzhou 730000, Gansu Province, China
| | - Da Wang
- General Surgery Clinical Medical Center, Gansu Provincial Hospital, Lanzhou 730000, Gansu Province, China
- Key Laboratory of Molecular Diagnostics and Precision Medicine for Surgical Oncology in Gansu Province, Gansu Provincial Hospital, Lanzhou 730000, Gansu Province, China
- NHC Key Laboratory of Diagnosis and Therapy of Gastrointestinal Tumor, Gansu Provincial Hospital, Lanzhou 730000, Gansu Province, China
- Medical College of Jiangsu University, Jiangsu University, Zhenjiang 212013, Jiangsu Province, China
| | - Li-Hui Zhu
- School of Clinical Medicine, Ningxia Medical University, Yinchuan 750000, Ningxia Hui Autonomous Region, China
- General Surgery Clinical Medical Center, Gansu Provincial Hospital, Lanzhou 730000, Gansu Province, China
- Key Laboratory of Molecular Diagnostics and Precision Medicine for Surgical Oncology in Gansu Province, Gansu Provincial Hospital, Lanzhou 730000, Gansu Province, China
- NHC Key Laboratory of Diagnosis and Therapy of Gastrointestinal Tumor, Gansu Provincial Hospital, Lanzhou 730000, Gansu Province, China
| | - Shuo Liu
- General Surgery Clinical Medical Center, Gansu Provincial Hospital, Lanzhou 730000, Gansu Province, China
- Key Laboratory of Molecular Diagnostics and Precision Medicine for Surgical Oncology in Gansu Province, Gansu Provincial Hospital, Lanzhou 730000, Gansu Province, China
- NHC Key Laboratory of Diagnosis and Therapy of Gastrointestinal Tumor, Gansu Provincial Hospital, Lanzhou 730000, Gansu Province, China
- The First Clinical Medical School, Lanzhou University, Lanzhou 730000, Gansu Province, China
| | - Miao Yu
- General Surgery Clinical Medical Center, Gansu Provincial Hospital, Lanzhou 730000, Gansu Province, China
- Key Laboratory of Molecular Diagnostics and Precision Medicine for Surgical Oncology in Gansu Province, Gansu Provincial Hospital, Lanzhou 730000, Gansu Province, China
- NHC Key Laboratory of Diagnosis and Therapy of Gastrointestinal Tumor, Gansu Provincial Hospital, Lanzhou 730000, Gansu Province, China
| | - Hui Cai
- School of Clinical Medicine, Ningxia Medical University, Yinchuan 750000, Ningxia Hui Autonomous Region, China
- General Surgery Clinical Medical Center, Gansu Provincial Hospital, Lanzhou 730000, Gansu Province, China
- Key Laboratory of Molecular Diagnostics and Precision Medicine for Surgical Oncology in Gansu Province, Gansu Provincial Hospital, Lanzhou 730000, Gansu Province, China
- NHC Key Laboratory of Diagnosis and Therapy of Gastrointestinal Tumor, Gansu Provincial Hospital, Lanzhou 730000, Gansu Province, China
- The First Clinical Medical School, Lanzhou University, Lanzhou 730000, Gansu Province, China
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Maalouf H, Saber T, Ghattas S, Meguerian-Bedoyan Z, El Rassi Z. CDH1 gene mutation, a challenging surgical topic: Case report and literature review. Int J Surg Case Rep 2024; 116:109422. [PMID: 38394940 PMCID: PMC10943988 DOI: 10.1016/j.ijscr.2024.109422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 02/15/2024] [Accepted: 02/17/2024] [Indexed: 02/25/2024] Open
Abstract
INTRODUCTION Gastric cancer is one of the top 5 cancers worldwide. Most gastric cancers are classified as sporadic with the exception of around 3 % that are associated with specific syndromes or genes. Hereditary diffuse gastric cancer is a very rare type of gastric cancer, associated with loss of function of a tumor suppressor gene CDH1 which has a high penetrance that can reach 90 % over a lifetime. CASE PRESENTATION Here we present the case of a 31 years old male patient carrying the CDH1 gene who presented for prophylactic total gastrectomy and D1 lymphadenectomy followed by a roux en y esophago-jejunostomy for digestive tract reconstruction. The patient had a preoperative negative gastroscopy for gastric cancer. On final pathology, few 2 mm foci of signet ring cells involving the lamina propria (T1a) were identified. CLINICAL DISCUSSION Randomized clinical trial data concerning HDGC is lacking. Individuals who meet the genetic testing criteria developed by the IGCLC, testing should be obtainable from the legal age of consent that range from 16 to 18 years of age. CDH1 is the main gene that is tested. The mainstay treatment of choice for HDGC is total gastrectomy and Roux-en-Y esophago-jejunostomy in asymptomatic patients but should only be undertaken after baseline endoscopy. CONCLUSION Genetic testing for CDH1 should be carried in high-risk populations. Due to its high penetrance, any person carrying the CDH1 gene should be managed by a prophylactic gastrectomy and D1 lymphadenectomy with close follow up for any future breast neoplasm.
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Affiliation(s)
- Hani Maalouf
- Department of General Surgery, University of Balamand, Beirut, Lebanon
| | - Toufic Saber
- Department of General Surgery, University of Balamand, Beirut, Lebanon
| | - Souad Ghattas
- Department of General Surgery, University of Balamand, Beirut, Lebanon.
| | | | - Ziad El Rassi
- Head of General Surgery Department, Saint Georges Hospital University Medical Center, Beirut, Lebanon
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Xu W, Chen S, Jiang Q, He J, Zhang F, Wang Z, Ruan C, Shi B. LUM as a novel prognostic marker and its correlation with immune infiltration in gastric cancer: a study based on immunohistochemical analysis and bioinformatics. BMC Gastroenterol 2023; 23:455. [PMID: 38129820 PMCID: PMC10740220 DOI: 10.1186/s12876-023-03075-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 12/05/2023] [Indexed: 12/23/2023] Open
Abstract
BACKGROUND Gastric cancer (GC) is considered the sixth highly prevailing malignant neoplasm and is ranked third in terms of cancer mortality rates. To enable an early and efficient diagnosis of GC, it is important to detect the fundamental processes involved in the oncogenesis and progression of gastric malignancy. The understanding of molecular signaling pathways can facilitate the development of more effective therapeutic strategies for GC patients. METHODS The screening of genes that exhibited differential expression in early and advanced GC was performed utilizing the Gene Expression Omnibus databases (GSE3438). Based on this, the protein and protein interaction network was constructed to screen for hub genes. The resulting list of hub genes was evaluated with bioinformatic analysis and selected genes were validated the protein expression by immunohistochemistry (IHC). Finally, a competing endogenous RNA network of GC was constructed. RESULTS The three genes (ITGB1, LUM, and COL5A2) overexpressed in both early and advanced GC were identified for the first time. Their upregulation has been linked with worse overall survival (OS) time in patients with GC. Only LUM was identified as an independent risk factor for OS among GC patients by means of additional analysis. IHC results demonstrated that the expression of LUM protein was increased in GC tissue, and was positively associated with the pathological T stage. LUM expression can effectively differentiate tumorous tissue from normal tissue (area under the curve = 0.743). The area under 1-, 3-, and 5-year survival relative operating characteristics were greater than 0.6. Biological function enrichment analyses suggested that the genes related to LUM expression were involved in extracellular matrix development-related pathways and enriched in several cancer-related pathways. LUM affects the infiltration degree of cells linked to the immune system in the tumor microenvironment. In GC progression, the AC117386.2/hsa-miR-378c/LUM regulatory axis was also identified. CONCLUSION Collectively, a thorough bioinformatics analysis was carried out and an AC117386.2/hsa-miR-378c/LUM regulatory axis in the stomach adenocarcinoma dataset was detected. These findings should serve as a guide for future experimental investigations and warrant confirmation from larger studies.
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Affiliation(s)
- Wu Xu
- Department of Medical Oncology, Longyan People's Hospital, No.31 Denggao West Road, Longyan, Fujian, 364000, People's Republic of China
| | - Shasha Chen
- Department of Pathology, Longyan Second Hospital, No.8 Shuangyang West Road, Longyan, Fujian, 364000, People's Republic of China
| | - Qiuju Jiang
- Department of Pathology, Longyan Second Hospital, No.8 Shuangyang West Road, Longyan, Fujian, 364000, People's Republic of China
| | - Jinlan He
- Department of Medical Oncology, Longyan People's Hospital, No.31 Denggao West Road, Longyan, Fujian, 364000, People's Republic of China
| | - Feifei Zhang
- Department of Medical Oncology, Longyan People's Hospital, No.31 Denggao West Road, Longyan, Fujian, 364000, People's Republic of China
| | - Zhuying Wang
- Department of Medical Oncology, Longyan People's Hospital, No.31 Denggao West Road, Longyan, Fujian, 364000, People's Republic of China
| | - Caishun Ruan
- Department of Medical Oncology, Longyan People's Hospital, No.31 Denggao West Road, Longyan, Fujian, 364000, People's Republic of China
| | - Bin Shi
- Department of Medical Oncology, Longyan People's Hospital, No.31 Denggao West Road, Longyan, Fujian, 364000, People's Republic of China.
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Prevalence of nodal metastases in the individual lymph node stations for different T-stages in gastric cancer: a systematic review. Updates Surg 2023; 75:281-290. [PMID: 35962278 PMCID: PMC9852106 DOI: 10.1007/s13304-022-01347-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Accepted: 07/30/2022] [Indexed: 01/24/2023]
Abstract
BACKGROUND Gastrectomy with lymph node dissection is the cornerstone of curative treatment of gastric cancer. Extent of lymphadenectomy may differ depending on T-stage, as the rate of lymph node metastases may differ. The objective of this systematic review is to investigate and compare the prevalence of nodal metastases in the individual lymph node stations between different T-stages. METHODS Data reporting and structure of this systematic review follows the PRISMA checklist. The Medline and PubMed databases were systematically searched. The search included the following Mesh terms: "Stomach Neoplasms", "Lymphatic Metastasis" and "Lymph Node Excision". The primary outcome was the highest prevalence of nodal metastases per T-stage. RESULTS The initial search resulted in 175 eligible articles. Five articles met the inclusion criteria and were accordingly analyzed. Concerning the lymph node stations 1 to 7, the lymph nodes along the lesser gastric curvature (station 3) show the highest metastases rate (T1: 5.5%, T2: 21.9%, T3: 41.9%, T4: 71.0%). Concerning the lymph node stations 8 to 20, the lymph nodes around the common hepatic artery (station 8) show the highest metastases rate (T1: 0.8%, T2: 7.9%, T3: 14.0%, T4: 28.2%). CONCLUSION An overall low prevalence of nodal metastases in the individual lymph node stations in early, T1 gastric carcinomas and an overall high prevalence in more advanced, T3 and T4 gastric carcinomas endorse a more tailored approach based on the different gastric T-stages. In addition, a less extensive lymphadenectomy seems justified in early T1 carcinoma. SYNOPSIS This systematic review provides an overview of the prevalence of nodal metastases for the individual lymph node stations between different T-stages, showing an overall low prevalence in early, T1 gastric carcinomas and an overall high prevalence in the more advanced, T3 and T4 gastric carcinomas.
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Zheng J, Li C, Zhu Z, Yang F, Wang X, Jiang P, Yan F. A 5`-tRNA Derived Fragment NamedtiRNA-Val-CAC-001 Works as a Suppressor in Gastric Cancer. Cancer Manag Res 2022; 14:2323-2337. [PMID: 35958946 PMCID: PMC9359412 DOI: 10.2147/cmar.s363629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 06/20/2022] [Indexed: 11/23/2022] Open
Affiliation(s)
- Junyu Zheng
- Department of Clinical Laboratory, The Affiliated Cancer Hospital of Nanjing Medical University & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Nanjing, Jiangsu, 210009, People’s Republic of China
| | - Cong Li
- Department of Clinical Laboratory, The Affiliated Cancer Hospital of Nanjing Medical University & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Nanjing, Jiangsu, 210009, People’s Republic of China
| | - Zining Zhu
- Department of Clinical Laboratory, The Affiliated Cancer Hospital of Nanjing Medical University & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Nanjing, Jiangsu, 210009, People’s Republic of China
| | - Fengming Yang
- Department of Clinical Laboratory, The Affiliated Cancer Hospital of Nanjing Medical University & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Nanjing, Jiangsu, 210009, People’s Republic of China
| | - Xiaoming Wang
- Department of Clinical Laboratory, The Affiliated Cancer Hospital of Nanjing Medical University & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Nanjing, Jiangsu, 210009, People’s Republic of China
| | - Pan Jiang
- Department of Clinical Laboratory, The Affiliated Cancer Hospital of Nanjing Medical University & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Nanjing, Jiangsu, 210009, People’s Republic of China
| | - Feng Yan
- Department of Clinical Laboratory, The Affiliated Cancer Hospital of Nanjing Medical University & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Nanjing, Jiangsu, 210009, People’s Republic of China
- Correspondence: Feng Yan, Department of Clinical Laboratory, The Affiliated Cancer Hospital of Nanjing Medical University & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, 42 Baiziting Road, Nanjing, 210009, Jiangsu, People’s Republic of China, Tel +86-13851641895, Email
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Gu R, Xia Y, Li P, Zou D, Lu K, Ren L, Zhang H, Sun Z. Ferroptosis and its Role in Gastric Cancer. Front Cell Dev Biol 2022; 10:860344. [PMID: 35846356 PMCID: PMC9280052 DOI: 10.3389/fcell.2022.860344] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Accepted: 03/28/2022] [Indexed: 12/14/2022] Open
Abstract
Gastric cancer (GC) is the fifth most common cancer and the third leading cause of cancer-related deaths worldwide. Currently, surgery is the treatment of choice for GC. However, the associated expenses and post-surgical pain impose a huge burden on these patients. Furthermore, disease recurrence is also very common in GC patients, thus necessitating the discovery and development of other potential treatment options. A growing body of knowledge about ferroptosis in different cancer types provides a new perspective in cancer therapeutics. Ferroptosis is an iron-dependent form of cell death. It is characterized by intracellular lipid peroxide accumulation and redox imbalance. In this review, we summarized the current findings of ferroptosis regulation in GC. We also tackled on the action of different potential drugs and genes in inducing ferroptosis for treating GC and solving drug resistance. Furthermore, we also explored the relationship between ferroptosis and the tumor microenvironment in GC. Finally, we discussed areas for future studies on the role of ferroptosis in GC to accelerate the clinical utility of ferroptosis induction as a treatment strategy for GC.
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Affiliation(s)
- Renjun Gu
- Nanjing University of Chinese Medicine, Nanjing, China
- Jiangsu Provincial Second Chinese Medicine Hospital, The Second Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Yawen Xia
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
- Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine Prevention and Treatment of Tumor, Nanjing University of Chinese Medicine, Nanjing, China
| | - Pengfei Li
- Department of Clinical Laboratory, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Defang Zou
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
- Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine Prevention and Treatment of Tumor, Nanjing University of Chinese Medicine, Nanjing, China
| | - Keqin Lu
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
- Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine Prevention and Treatment of Tumor, Nanjing University of Chinese Medicine, Nanjing, China
| | - Lang Ren
- Nanjing University of Chinese Medicine, Nanjing, China
- Jiangsu Provincial Second Chinese Medicine Hospital, The Second Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Hongru Zhang
- School of Basic Medical Sciences, Nanjing University of Chinese Medicine, Nanjing, China
- *Correspondence: Hongru Zhang, ; Zhiguang Sun,
| | - Zhiguang Sun
- Nanjing University of Chinese Medicine, Nanjing, China
- Jiangsu Provincial Second Chinese Medicine Hospital, The Second Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
- *Correspondence: Hongru Zhang, ; Zhiguang Sun,
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Application of Laparoscopic Gastric Jejunum Uncut Roux-en-Y Anastomosis. Gastroenterol Res Pract 2022; 2022:9496271. [PMID: 35601237 PMCID: PMC9119775 DOI: 10.1155/2022/9496271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 03/02/2022] [Indexed: 11/18/2022] Open
Abstract
Background Uncut Roux-en-Y gastrojejunostomy, recently developed in China, is useful in the treatment of distal gastric cancer. This study is aimed at comparing laparoscopic gastric jejunum uncut Roux-en-Y anastomosis with conventional anastomosis in the surgical treatment of distal gastric malignancy. Methods In this retrospective study, the clinical data of 178 patients and their follow-up records were analyzed. 112 cases (uncut group) were the observation group for stomach jejunum uncut Roux-en-Y anastomosis, the control group for the stomach, 66 cases (conventional group) were for jejunum Roux-en-Y anastomosis and Billroth I and Billroth II anastomosis. A comparison between the two groups was conducted based on the general situation of the patients, TNM stage, and one-year survival rate. Results There was no significant difference reported between the two groups in terms of the general situation and TNM stage. A comparison on postoperative complications between the two groups revealed that the postoperative bleeding was 0.9% and 6.1%, the bile reflux gastritis was 1.8% and 9.1%, the anastomotic leakage was 0.0% and 3.0%, the delayed gastric emptying was 0.9% and 7.6%, and the overall complications was at 3.6% and 25.8%, which was significantly lower in the observation group than in the control group, and the difference was statistically significant. Notably, there was no significant difference in 1-year survival rate between the two groups. Conclusion Laparoscopic gastric jejunal uncut Roux-en-Y anastomosis significantly reduces the risk of postoperative complications of the digestive tract. Its operation is easy and exhibits an effective curative effect.
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Prophylactic hyperthermic intraperitoneal chemotherapy may benefit the long-term survival of patients after radical gastric cancer surgery. Sci Rep 2022; 12:2583. [PMID: 35173230 PMCID: PMC8850581 DOI: 10.1038/s41598-022-06417-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 01/27/2022] [Indexed: 12/24/2022] Open
Abstract
Hyperthermic intraperitoneal chemotherapy (HIPEC) has been proven to improve the survival rate of gastric cancer and reduce peritoneal recurrence. We aimed to evaluate the effectiveness and safety of prophylactic HIPEC after radical gastric cancer surgery in this study. Researchers searched for studies published in PubMed, Embase, Web of science, Scopus, Cochrane, Clinical key databases and Microsoft Academic databases to identify studies that examine the impact of prophylactic HIPEC on the survival, recurrence and adverse events of patients undergoing radical gastric cancer surgery. RevMan 5.3 was used to analyze the results and risk of bias. The PROSERO registration number is CRD42021262016. This meta-analysis included 22 studies with a total of 2097 patients, 12 of which are RCTs. The results showed that the 1-, 3- and 5-year overall survival rate was significantly favorable to HIPEC (OR 5.10, 2.07, 1.96 respectively). Compared with the control group, the overall recurrence rate and peritoneal recurrence rate of the HIPEC group were significantly lower (OR 0.41, 0.24 respectively). Significantly favorable to the control group in terms of renal dysfunction and pulmonary dysfunction complications (OR 2.44, 6.03 respectively). Regarding the causes of death due to postoperative recurrence: liver recurrence, lymph node and local recurrence and peritoneal recurrence, the overall effect is not significantly different (OR 0.81, 1.19, 0.37 respectively). 1-, 3- and 5-year overall survival follow-up may be incremented by the prophylactic HIPEC, and which reduce the overall recurrence rate and peritoneal recurrence rate. HIPEC may have high-risk of pulmonary dysfunction and renal dysfunction complications. No difference has been found in the deaths due to recurrence after surgery.
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Yi-Wen W, Long-Long L, Ming L, Hao L, Kong-Wang H. Stem cell-like circulating tumor cells indicate poor prognosis in gastric cancer. Arch Med Sci 2022; 18:1297-1307. [PMID: 36160346 PMCID: PMC9479591 DOI: 10.5114/aoms.2020.97707] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2018] [Accepted: 05/03/2019] [Indexed: 11/17/2022] Open
Abstract
INTRODUCTION Circulating tumor cells (CTCs) have the characteristics of cancer stem cells and play an important role in the recurrence and metastasis of tumors. CD44 is a surface marker molecule for gastric cancer stem cells (GCSCs) and can be used to identify and isolate GCSCs. Here, we investigated the effect of CD44 protein expression, circulating tumor cells, and CD44-positive CTCs on the prognosis of gastric cancer (GC). MATERIAL AND METHODS Blood samples from 58 GC patients being treated at the First Affiliated Hospital of Anhui Medical University from August 2015 to October 2016 were obtained before surgery. The cancer tissues from 58 GC patients after surgery and the same amount of adjacent normal tissues 5 cm away from the center of the cancer tissues were collected as controls. Immunohistochemistry was used to detect CD44 expression in cancer tissues and adjacent normal tissues. Immunomagnetically negative enrichment combined with im-FISH was used to detect CTCs and CD44-positive CTCs in gastric cancer patients. RESULTS Circulating tumor cells were detected in 44 of 58 patients, and CD44 protein was positive in 34 cases of GC. The presence of CTCs and CD44 is significantly associated with depth of tumor infiltration, lymph node metastasis, TNM stage, and recurrence (p < 0.01). Twenty-nine of 44 CTC-positive patients had CD44-positive CTCs. The patients with CD44-positive CTCs were more likely to develop recurrence than patients with CD44-negative CTCs (p < 0.01). Furthermore, 28 of 29 patients with CD44-positive CTCs developed recurrent disease, and the mean time to recurrence was shorter than that in patients with CD44-negative CTCs (16.030 ±5.268 and 21.800 ±4.601 months; p < 0.01). The Cox proportional hazards model indicated that the presence of CD44-positive CTCs and TNM stage were independent predictors of recurrence for GC (p = 0.044 and 0.035). CONCLUSIONS The detection of stem cell characteristics of GC CTCs can provide more prognostic information than simply detecting GC CTCs and GC CD44 expression.
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Affiliation(s)
- Wang Yi-Wen
- Department of Gastrointestinal Surgery, Department of General Surgery, First Affiliated Hospital of Anhui Medical University, Anhui, China
| | - Li Long-Long
- Department of Gastrointestinal Surgery, Department of General Surgery, First Affiliated Hospital of Anhui Medical University, Anhui, China
| | - Lu Ming
- Department of Gastrointestinal Surgery, Department of General Surgery, First Affiliated Hospital of Anhui Medical University, Anhui, China
| | - Li Hao
- Department of Pathology, Affiliated Hospital of Anhui Medical University, Anhui, China
| | - Hu Kong-Wang
- Department of Gastrointestinal Surgery, Department of General Surgery, First Affiliated Hospital of Anhui Medical University, Anhui, China
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12
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Omarov N, Uymaz D, Azamat IF, Ozoran E, Ozata IH, Bırıcık FS, Taskin OC, Balik E. The Role of Minimally Invasive Surgery in Gastric Cancer. Cureus 2021; 13:e19563. [PMID: 34796082 PMCID: PMC8590860 DOI: 10.7759/cureus.19563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/14/2021] [Indexed: 12/09/2022] Open
Abstract
Objective: This study aims to investigate the efficacy and safety of minimally invasive surgery (MIS) in gastric cancer and to compare MIS versus open gastrectomy (OG) in terms of early mortality and morbidity, long-term oncological outcomes, and recurrence rates. Methods: A total of 75 patients who underwent MIS or OG for gastric cancer at Koç University School of Medicine between December 2014 and December 2019 were retrospectively analyzed. Postoperative complications and disease-specific survival were compared between surgical approaches. Results: Of the patients, 44 were treated with MIS and 31 with OG. In the MIS group, 33 patients underwent laparoscopic surgery, and 11 patients underwent robotic gastrectomy. Duration of operation was significantly longer in the MIS group than in the OG group (p<0.0001). The median amount of blood loss was 142.5 (range, 110 to 180) mL in the MIS group and 180.4 (range, 145 to 230) mL in the OG group (p<0.706). The median number of lymph node dissection was 38.9 (range, 15 to 66) and 38.7 (range, 12 to 70) in the MIS and OG groups, respectively (p<0.736). The median length of hospitalization, twelve days in the OG group and nine days in the MIS group. Median follow-up was 19.1 (range, 2 to 61) months in the MIS group and 22.1 (range, 2 to 58) months in the OG group. The median OS and DFS rates were 56.8 months and 39.6 months in the MIS group, respectively (log-rank; p=0.004) and 31.6 months and 23.1 months in the OG group, respectively (log-rank; p=0.003). Conclusion: Our study results suggest that, despite its technical challenges, MIS is an effective and safe method in treating gastric cancer with favorable early mortality and morbidity rates and long-term oncological outcomes, and acceptable recurrence rates.
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Affiliation(s)
- Nail Omarov
- General Surgery, Koç University Hospital, İstanbul, TUR
| | - Derya Uymaz
- General Surgery, Koç University Hospital, Istanbul, TUR
| | | | - Emre Ozoran
- General Surgery, Koç University Hospital, Istanbul, TUR
| | | | | | | | - Emre Balik
- General and Colorectal Surgery, Koç University Hospital, Istanbul, TUR
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13
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Zhao X, Chen L, Wu J, You J, Hong Q, Ye F. Transcription factor KLF15 inhibits the proliferation and migration of gastric cancer cells via regulating the TFAP2A-AS1/NISCH axis. Biol Direct 2021; 16:21. [PMID: 34727954 PMCID: PMC8565027 DOI: 10.1186/s13062-021-00300-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 08/30/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Recently, overwhelming evidence supports that long noncoding RNAs (lncRNAs) play crucial roles in the occurrence and progression of tumors. However, the role and mechanism of lncRNA TFAP2A-AS1 in human gastric cancer (GC) remains unclear. Thus, the biological role and regulatory mechanisms of TFAP2A-AS1 in GC were explored. METHODS Quantitative real-time PCR (qPCR) was applied to detect gene expression. Western blot was used to measure protein expression. Cell proliferation and migration were determined by functional assays. Fluorescence in situ hybridization (FISH) assays were performed to determine the subcellular distribution of TFAP2A-AS1 in GC. Mechanism investigations were conducted to explore the downstream genes of TFAP2A-AS1 and the upstream transcription factor of TFAP2A-AS1 in GC cells. RESULTS TFAP2A-AS1 inhibits the proliferation and migration of GC cells. In the downstream regulation mechanism, miR-3657 was verified as the downstream gene of TFAP2A-AS1 and NISCH as the target of miR-3657. NISCH also suppresses cell proliferation and migration in GC. In the upstream regulation mechanism, transcription factor KLF15 positively mediates TFAP2A-AS1 to suppress GC cell proliferation and migration. CONCLUSION KLF15-mediated TFAP2A-AS1 hampers cell proliferation and migration in GC via miR-3657/NISCH axis.
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Affiliation(s)
- Xin Zhao
- Department of Medical Oncology, Xiamen Key Laboratory of Antitumor Drug Transformation Research, The First Affiliated Hospital of Xiamen University, School of clinical Medicine,, Fujian Medical University, No. 55 Zhenhai Road, Siming District, Xiamen, Fujian, China
| | - Linlin Chen
- Department of Gastroenterology, Xiangya Hospital of Centre-South University, Changsha, Hunan, China
| | - Jingxun Wu
- Department of Medical Oncology, Xiamen Key Laboratory of Antitumor Drug Transformation Research, The First Affiliated Hospital of Xiamen University, School of clinical Medicine,, Fujian Medical University, No. 55 Zhenhai Road, Siming District, Xiamen, Fujian, China
| | - Jun You
- Department of Medical Oncology, Xiamen Key Laboratory of Antitumor Drug Transformation Research, The First Affiliated Hospital of Xiamen University, School of clinical Medicine,, Fujian Medical University, No. 55 Zhenhai Road, Siming District, Xiamen, Fujian, China
| | - Qingqi Hong
- Department of Medical Oncology, Xiamen Key Laboratory of Antitumor Drug Transformation Research, The First Affiliated Hospital of Xiamen University, School of clinical Medicine,, Fujian Medical University, No. 55 Zhenhai Road, Siming District, Xiamen, Fujian, China
| | - Feng Ye
- Department of Medical Oncology, Xiamen Key Laboratory of Antitumor Drug Transformation Research, The First Affiliated Hospital of Xiamen University, School of clinical Medicine,, Fujian Medical University, No. 55 Zhenhai Road, Siming District, Xiamen, Fujian, China.
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14
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Liu S, Zhao Y, Liu H, Zhao X, Shen X. miR-301-3p directly regulates Cx43 to mediate the development of gastric cancer. J Int Med Res 2021; 49:3000605211033185. [PMID: 34590921 PMCID: PMC8489753 DOI: 10.1177/03000605211033185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 06/24/2021] [Indexed: 11/17/2022] Open
Abstract
OBJECTIVE Identifying novel biomarkers involved in the development of gastric cancer (GC) can provide potential therapeutic strategies and improve clinical prognosis. miR-301-3p and Cx43 are reportedly dysregulated in GC. miR-301-3p and Cx43 interaction, and their functions in GC progression, are still poorly understood. METHODS The expression levels of miR-301-3p and Cx43 in GC tissues and cell lines with various differentiation degrees were evaluated by RT-qPCR. The interaction between miR-301-3p and Cx43 was assessed by dual-luciferase reporter assays. CCK8 and Transwell assays were employed to assess the effects of the miR-301-3p-Cx43 axis on GC cell proliferation, migration, and invasion. RESULTS Cx43 was significantly downregulated in GC tissues and cell lines, while miR-301-3p expression was negatively correlated with Cx43 mRNA levels. The expression levels of Cx43 and miR-301-3p were closely associated with the differentiation, TNM stage, vascular invasion, and lymph node metastasis status of GC patients. Cx43 overexpression could suppress the proliferation, migration, and invasion of GC cells. Cx43 mRNA is a direct target of miR-301-3p, and transfection of an miR-301-3p mimic could reverse the inhibitory effects of Cx43. CONCLUSION The miR-301-3p-Cx43 axis is involved in the development and progression of GC by affecting the proliferation, migration, and invasion of GC cells.
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Affiliation(s)
- Shasha Liu
- Department of Pathology, Affiliated Hospital of Chengde Medical University, Hebei, 067000, China
| | - Yang Zhao
- Department of Pathology, Affiliated Hospital of Chengde Medical University, Hebei, 067000, China
| | - Huan Liu
- Department of Pathology, Affiliated Hospital of Chengde Medical University, Hebei, 067000, China
| | - Xing Zhao
- Department of Pathology, Affiliated Hospital of Chengde Medical University, Hebei, 067000, China
| | - Xingbin Shen
- Department of Pathology, Affiliated Hospital of Chengde Medical University, Hebei, 067000, China
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15
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Fang J, Chen W, Meng X. Downregulating circRNA_0044516 Inhibits Cell Proliferation in Gastric Cancer Through miR-149/Wnt1/β-catenin Pathway. J Gastrointest Surg 2021; 25:1696-1705. [PMID: 33140323 DOI: 10.1007/s11605-020-04834-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Accepted: 10/17/2020] [Indexed: 01/31/2023]
Abstract
BACKGROUND Circular RNAs (circRNAs) play important roles in the progression of gastric cancer (GC). The Wnt1/β-catenin pathway can promote the proliferation of GC cells. This study aimed to explore whether circRNA_0044516 can regulate the proliferation of GC cells by modulating the Wnt1/β-catenin pathway. METHODS The expression of circRNA_0044516, miR-149, Wnt1, and β-catenin in GC tissues or cells was detected by qRT-PCR and western blot. Cell viability and apoptosis were measured by CCK-8 and flow cytometry assays, respectively. The interaction between circRNA_0044516 and miR-149 was determined by luciferase reporter and RNA pull-down assays. RESULTS Upregulated circRNA_0044516 was found in GC tissues and cell lines. Downregulating circRNA_0044516 inhibited the viability and promoted apoptosis of GC cells. CircRNA_0044516 targeted miR-149, and its downregulation elevated miR-149 level in GC cells. Mechanistically, silencing circRNA_0044516 reduced the protein level of Wnt1 and β-catenin through miR-149, and finally suppressed viability and contributed to apoptosis of GC cells. Moreover, circRNA_0044516 knockdown inhibited the tumor growth of HGC-27 cells in nude mice. CONCLUSIONS Our results indicated an important role of circRNA_0044516 in GC and elucidated that downregulation of circRNA_0044516 inhibits the proliferation of GC cells through miR-149/Wnt1/β-catenin.
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Affiliation(s)
- Jun Fang
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, NO. 218 Jixi Rd, Hefei, 230022, Anhui Province, China.
| | - Wei Chen
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, NO. 218 Jixi Rd, Hefei, 230022, Anhui Province, China
| | - Xiangling Meng
- Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, NO. 218 Jixi Rd, Hefei, 230022, Anhui Province, China
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16
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Farias SH, Maia Neto WL, Tomaz KP, Figueiredo FWDS, Adami F. Are the Temporal Trends of Stomach Cancer Mortality in Brazil Similar to the Low, Middle, and High-Income Countries? Front Public Health 2021; 9:677012. [PMID: 34268288 PMCID: PMC8275933 DOI: 10.3389/fpubh.2021.677012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Accepted: 05/14/2021] [Indexed: 11/17/2022] Open
Affiliation(s)
| | - Wilson Leite Maia Neto
- Epidemiology and Data Analysis Laboratory, Centro Universitário Saúde ABC, Santo André, Brazil
| | - Katia Pereira Tomaz
- Epidemiology and Data Analysis Laboratory, Centro Universitário Saúde ABC, Santo André, Brazil
| | | | - Fernando Adami
- Epidemiology and Data Analysis Laboratory, Centro Universitário Saúde ABC, Santo André, Brazil
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17
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Zhou W, Ouyang J, Li J, Liu F, An T, Cheng L, Kuo ZC, Zhang C, He Y. MRPS17 promotes invasion and metastasis through PI3K/AKT signal pathway and could be potential prognostic marker for gastric cancer. J Cancer 2021; 12:4849-4861. [PMID: 34234855 PMCID: PMC8247386 DOI: 10.7150/jca.55719] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 05/29/2021] [Indexed: 12/15/2022] Open
Abstract
In this study, the molecular mechanisms through which Mitochondrial Ribosomal Protein S17 (MRPS17) contributes to gastric cancer (GC) and its prognostic significance in GC have been explored. As a protein encoding gene, MRPS17 encodes a 28s proteins belonging the ribosomal protein S17P family. The specific roles and molecular mechanisms of MRPS17 in cancers remain ambiguous. It was revealed by analyzing data from TCGA and GEO that elevated expression of MRPS17 was significantly associated with invasion of GC and poor survival of GC patients. Then through univariate and multivariate Cox regression analyses it was demonstrated that MRPS17 an independent prognostic factor for GC patients (P<0.001). It was demonstrated by differentially expressed gene analysis and functional enrichment analysis that MPRS17 is related to PI3K/AKT pathway and Cell adhesion molecules (CAMs), while its function is mediated by collagen-containing extracellular matrix and receptor ligand/regulator activity. Then it was proven by in-vitro experiments that knocking down of MRPS17 gene in AGS and SGC7901 cells would significantly inhibit proliferation and invasion capability of these cells. Furthermore, it was revealed by cell immunofluorescence assay that as a ribosomalprotein, MRPS17 was mainly distributed in the cytoplasmic surface of cell membrane. Additionally, activation of PI3K/AKT pathway is responsible for malignant progression of glioma that was promoted by MRPS17. In conclusion, it was revealed in the present study that MRPS17 promoted invasion and metastasis of GC and potential molecular mechanisms through which it exerted its influences on GC were explored, suggesting its potential as a novel prognostic biomarker for GC.
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Affiliation(s)
- Wenjie Zhou
- Digestive Disease Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Zhenyuan Road 628, Guangming District, Shenzhen 518000, Guangdong, China.,Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Zhongshan 2nd Road 58, Yuexiu District, Guangzhou 510080, Guangdong, China
| | - Jun Ouyang
- Digestive Disease Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Zhenyuan Road 628, Guangming District, Shenzhen 518000, Guangdong, China.,Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Zhongshan 2nd Road 58, Yuexiu District, Guangzhou 510080, Guangdong, China
| | - Junqing Li
- Digestive Disease Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Zhenyuan Road 628, Guangming District, Shenzhen 518000, Guangdong, China.,Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Zhongshan 2nd Road 58, Yuexiu District, Guangzhou 510080, Guangdong, China
| | - Fangjie Liu
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, 58 Zhongshan 2nd Road 58, Yuexiu District, Guangzhou 510080, Guangdong, China
| | - Tailai An
- Digestive Disease Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Zhenyuan Road 628, Guangming District, Shenzhen 518000, Guangdong, China
| | - Lvjia Cheng
- Digestive Disease Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Zhenyuan Road 628, Guangming District, Shenzhen 518000, Guangdong, China.,Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Zhongshan 2nd Road 58, Yuexiu District, Guangzhou 510080, Guangdong, China
| | - Zi Chong Kuo
- Digestive Disease Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Zhenyuan Road 628, Guangming District, Shenzhen 518000, Guangdong, China
| | - Changhua Zhang
- Digestive Disease Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Zhenyuan Road 628, Guangming District, Shenzhen 518000, Guangdong, China
| | - Yulong He
- Digestive Disease Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Zhenyuan Road 628, Guangming District, Shenzhen 518000, Guangdong, China.,Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-sen University, Zhongshan 2nd Road 58, Yuexiu District, Guangzhou 510080, Guangdong, China
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18
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Shi H, Huang S, Qin M, Xue X, Guo X, Jiang L, Hong H, Fang J, Gao L. Exosomal circ_0088300 Derived From Cancer-Associated Fibroblasts Acts as a miR-1305 Sponge and Promotes Gastric Carcinoma Cell Tumorigenesis. Front Cell Dev Biol 2021; 9:676319. [PMID: 34124064 PMCID: PMC8188357 DOI: 10.3389/fcell.2021.676319] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 04/26/2021] [Indexed: 01/22/2023] Open
Abstract
Cancer-associated fibroblast (CAF)-derived exosomes play a major role in gastric carcinoma (GC) tumorigenesis. However, the mechanism behind the activity of circular RNAs in CAF-derived exosomes in GC remains unclear. In the present study, we identified differentially expressed circ_0088300 in GC tissues and plasma exosomes. We found that CAFs delivered functional circ_0088300 to GC tumor cells via exosomes and promoted the proliferation, migration and invasion abilities of GC cells. Furthermore, we demonstrated that circ_0088300 packaging into exosomes was driven by KHDRBS3. In addition, we verified that circ_0088300 served as a sponge that directly targeted miR-1305 and promoted GC cell proliferation, migration and invasion. Finally, the JAK/STAT signaling pathway was found to be involved in the circ_0088300/miR-1305 axis, which accelerates GC tumorigenesis. In conclusion, our results indicated a previously unknown regulatory pathway in which exosomal circ_0088300 derived from CAFs acts as a sponge of miR-1305 and promotes GC cell proliferation, migration and invasion; these data identify a potential biomarker and novel therapeutic target for GC in the future.
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Affiliation(s)
- Hao Shi
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Shan Huang
- Department of Pathology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Mingde Qin
- The Stem Cell and Biomedical Material Key Laboratory of Jiangsu Province (The State Key Laboratory Incubation Base), Soochow University, Suzhou, China
| | - Xiaofeng Xue
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Xingpo Guo
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Linhua Jiang
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Han Hong
- Department of Hepato-Pancreato-Biliary Surgery, Suzhou Municipal Hospital, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
| | - Jian Fang
- Department of General Surgery, Zhangjiagang Hospital Affiliated to Soochow University, Zhangjiagang, China
| | - Ling Gao
- Department of General Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
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19
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Optimal care and survival for signet-ring cell and non-signet-ring cell gastric cancer are more achievable at academic cancer centers. Am J Surg 2021; 222:969-975. [PMID: 34045068 DOI: 10.1016/j.amjsurg.2021.05.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 05/05/2021] [Accepted: 05/12/2021] [Indexed: 12/24/2022]
Abstract
BACKGROUND Western literature lacks large-scale population studies comparing the influence of academic and high-volume (HV) versus low-volume (LV) cancer centers on gastric cancer oncologic outcomes. METHODS The National Cancer Database from 2004 to 2016 was used. RESULTS 22871 patients were studied. Patients with stage III signet-ring cell gastric carcinoma (SRGC) received neoadjuvant treatment (NAT) more frequently at academic and HV comprehensive cancer centers (OR: 4.27 and 2.42; p < 0.0001 and 0.009) compared to community centers. Patients with stage III non-SRGC (NSRGC) had a 2.4 times higher odds of receiving NAT at academic centers. The R1 resection rate for NSRGC was lower at academic centers (OR: 0.67; p = 0.0018). Lymph node harvest ≥15 nodes was 1.6 and 1.9 times higher at academic centers for NSRGC and SRGC, respectively. Patients treated at academic centers had a significantly improved overall survival (OS). CONCLUSIONS Treatment at academic centers is associated with significant improvements in oncologic metrics and OS.
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20
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Moslim MA, Handorf E, Reddy SS, Greco SH, Farma JM. Partial Gastrectomy is Associated with Improved Overall Survival in Signet-Ring Cell Gastric Cancer. J Surg Res 2021; 266:27-34. [PMID: 33975027 DOI: 10.1016/j.jss.2021.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 03/08/2021] [Accepted: 04/01/2021] [Indexed: 12/09/2022]
Abstract
BACKGROUND Signet-ring cell gastric cancer (SRGC) is a histological variant of gastric adenocarcinoma (GAC) with a worse prognosis compared to non-signet-ring cell gastric cancer (NSRGC). To our knowledge, the overall survival (OS) among patients with SRGC undergoing total/near-total (TG) versus partial gastrectomy (PG) has never been reported from a large-scale Western database. METHODS We performed a retrospective analysis of patients with both SRGC and NSRGC using The National Cancer Database. RESULTS In total, 17,086 patients were included. Patients who underwent TG versus PG were 25.5% (n = 770) versus 74.5% (n = 2246) for SRGC, and 20.9% (n = 2943) versus 79.1% (n = 11,127) for NSRGC, respectively. Patients who had SRGC were more likely to undergo TG (25.5% versus 20.9% P< 0.0001). Patients with distal gastric tumors were less likely to undergo TG (16.5% versus 25.4% P < 0.0001). Patients undergoing PG for the SRGC histological variant had better OS (HR = 0.68, CI=0.61-0.76; P < 0.0001) versus those who underwent TG. Similarly, NSRGC patients undergoing PG also had improved OS, but to a lesser extent (HR = 0.91, CI = 0.85-0.96; P= 0.002). Overall, PG for GAC was associated with improved OS compared to TG, although the OS benefit is more profound in the SRGC histological variant (P < 0.0001). CONCLUSIONS Our results show that TG is not associated with improved OS in patients who undergo gastrectomy for GAC, even when adjusted for tumor location. The survival differences are more pronounced in the SRGC histology variant. The worst survival is observed in patients with SRGC who undergo TG after adjusting for different covariates.
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Affiliation(s)
- Maitham A Moslim
- Department of Surgical Oncology, Fox Chase Cancer Center, Philadelphia, Pennsylvania
| | - Elizabeth Handorf
- Department of Biostatistics and Bioinformatics, Fox Chase Cancer Center, Philadelphia, Pennsylvania
| | - Sanjay S Reddy
- Department of Surgical Oncology, Fox Chase Cancer Center, Philadelphia, Pennsylvania
| | - Stephanie H Greco
- Department of Surgical Oncology, Fox Chase Cancer Center, Philadelphia, Pennsylvania
| | - Jeffrey M Farma
- Department of Surgical Oncology, Fox Chase Cancer Center, Philadelphia, Pennsylvania.
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21
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A Robust Circular RNA-Associated Three-Gene Prognostic Signature for Patients with Gastric Cancer. BIOMED RESEARCH INTERNATIONAL 2021; 2021:6633289. [PMID: 33969120 PMCID: PMC8084642 DOI: 10.1155/2021/6633289] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 03/23/2021] [Accepted: 04/01/2021] [Indexed: 01/17/2023]
Abstract
Accumulating evidence has demonstrated that circular RNAs (circRNAs) play vital roles in cancer progression. However, the underlying molecular mechanisms of circRNAs remain poorly elucidated in gastric cancer (GC). The main purpose of present study is to explore the underlying regulatory mechanism by constructing a circRNA-associated competitive endogenous RNA (ceRNA) network and further establish a robust prognostic signature for patients with GC. Based on expression data of circRNA, microRNA, and mRNA derived from Gene Expression Omnibus (GEO) and The Cancer Genome Atlas (TCGA) databases, a circRNA-associated ceRNA network, containing 15 cirRNAs, 9 microRNAs, and 35 mRNAs, was constructed using the Starbase database. Functional enrichment analysis showed that the ceRNA network might be involved in many cancer-related pathways, such as regulation of transcription from RNA polymerase II promoter, mesodermal cell differentiation, and focal adhesion. A protein-protein interaction network was constructed based on genes within the circRNA-associated ceRNA network. We found that six of ten hub genes within the PPI network were significantly associated with overall survival (OS). Thus, using the LASSO method, we constructed a three-gene prognostic signature based on TCGA-GC cohort, which could classify GC patients into low-risk and high-risk groups with significant difference in OS (HR = 1.9, 95%CI = 1.14‐3.2, and log-rank p = 0.001). The prognostic performance of the three-gene signature was verified in GSE15459 (HR = 1.9, 95%CI = 1.27‐3.0, and log − rank p = 2.2E − 05) and GSE84437 (HR = 1.5, 95%CI = 1.17‐2.0, and log − rank p = 6.3E − 04). Multivariate Cox analysis further revealed that the three-gene prognostic signature could serve as an independent risk factor for OS. Taken together, our findings contribute to a better understanding of the underlying mechanisms of circRNAs in GC progression. Furthermore, a robust prognostic signature is meaningful to facilitate individualized treatment for patients with GC.
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Jeong SH, Seo KW, Min JS. Intraoperative Tumor Localization of Early Gastric Cancers. J Gastric Cancer 2021; 21:4-15. [PMID: 33854809 PMCID: PMC8020001 DOI: 10.5230/jgc.2021.21.e4] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 03/16/2021] [Accepted: 03/17/2021] [Indexed: 12/21/2022] Open
Abstract
Recently, endoscopic screening systems have enabled the diagnosis of gastric cancer in the early stages. Early gastric cancer (EGC) is typically characterized by a shallow invasion depth and small size, which can hinder localization of EGC tumors during laparoscopic surgery. Here, we review nine recently reported tumor localization methods for the laparoscopic resection of EGCs. Preoperative dye or blood tattooing has the disadvantage of spreading. Preoperative 3-dimensional computed tomography reconstruction is not performed in real time during laparoscopic gastrectomy. Thus, they are considered to have a low accuracy. Intraoperative portable abdominal radiography and intraoperative laparoscopic ultrasonography methods can provide real-time feedback, but these methods require expertise, and it can be difficult to define the clips in some gastric regions. Despite a few limitations, intraoperative gastrofibroscopy provides real-time feedback with high accuracy. The detection system using an endoscopic magnetic marking clip, fluorescent clip, and radio-frequency identification detection system clip is considered highly accurate and provides real-time feedback; we expect a commercial version of this setup to be available in the near future. However, there is not yet an easy method for accurate real-time detection. We hope that improved devices will soon be developed and used in clinical settings.
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Affiliation(s)
- Sang-Ho Jeong
- Department of Surgery, Gyeongsang National University School of Medicine, Jinju, Korea
| | - Kyung Won Seo
- Department of Surgery, Kosin University Gospel Hospital, Busan, Korea
| | - Jae-Seok Min
- Department of Surgery, Dongnam Institute of Radiological and Medical Sciences, Cancer Center, Busan, Korea
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Circular RNA circFGD4 suppresses gastric cancer progression via modulating miR-532-3p/APC/β-catenin signalling pathway. Clin Sci (Lond) 2021; 134:1821-1839. [PMID: 32633323 DOI: 10.1042/cs20191043] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 06/15/2020] [Accepted: 07/07/2020] [Indexed: 12/24/2022]
Abstract
BACKGROUND Mounting evidence has displayed critical roles of circular RNAs (circRNAs) in multiple cancers. The underlying mechanisms by which circFGD4 contributed to gastric cancer (GC) are still unclear. METHODS The levels and clinical values of circFGD4 in GC patients were detected and analysed by quantitative real-time PCR. The biological roles of circFGD4 in GC were assessed in vitro and in vivo experiments. Dual-luciferase reporter, fluorescence in situ hybridization, RNA immunoprecipitation, biotin-coupled RNA pull-down, and TOP/Flash and FOP/Flash reporter gene assays were employed to evaluate the effects of circFGD4 on miR-532-3p-mediated adenomatous polyposis coli (APC)/β-catenin signalling in GC cells. RESULTS circFGD4 expression was down-regulated the most in human GC tissues and cell lines. Low expression of circFGD4 was correlated with poor tumour differentiation, lymphatic metastasis, and poor prognosis of GC patients. circFGD4 suppressed GC cell viability, colony formation, migration, induced epithelial-mesenchymal transition (EMT), and tumorigenesis and metastasis in vivo. Next, we validated that circFGD4 acted as a sponge of miR-532-3p to relieve the tumour-promoting effects of miR-532-3p on its target APC. The mechanistic analysis demonstrated that the circFGD4 suppressed GC cell viability, migration, and EMT by modulating the miR-532-3p/APC axis to inactivate the β-catenin signalling. CONCLUSION circFGD4 suppressed GC progression through sponging miR-532-3p and enhancing APC expression to inactivate the β-catenin signalling. Thus circFGD4 provides a novel potential biomarker and valuable therapeutic strategy for GC.
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Qu Y, Gao N, Wu T. Expression and clinical significance of SYNE1 and MAGI2 gene promoter methylation in gastric cancer. Medicine (Baltimore) 2021; 100:e23788. [PMID: 33530176 PMCID: PMC7850698 DOI: 10.1097/md.0000000000023788] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Accepted: 11/13/2020] [Indexed: 02/07/2023] Open
Abstract
Gastric cancer is the fifth most common cancer and the third leading cause of cancer-related mortality globally. Abnormal DNA methylation is closely related to gastric cancer. The purpose of the study was to investigate the methylation of the SYNE1 and MAGI2 gene promoter and its relationship with the clinical-pathological factors, chemotherapy efficacy, and survival, thus providing a new biomarker for the prognosis and chemotherapy efficacy in gastric cancer.The methylation status of SYNE1 and MAGI2 in gastric cancer and adjacent tissues was detected by MSP method in 70 cases of advanced gastric cancer paraffin specimens.The methylation rate of the SYNE1 and MAGI2 gene promoter region was higher in gastric cancer tissues compared with adjacent tissues. The methylation status of SYNE1 was associated with the age at diagnosis and the size of the primary tumors, but no clinical or pathological factors have been found to be related with the methylation status of MAGI2 promoter. A high level of SYNE1 promoter methylation was associated with poorer chemotherapy efficacy in recurrent patients with gastric cancer. Thirty-three percent of the 70 patients exhibited highly methylated MAGI2; in this group, the median progression-free survival time was 4.1 months, shorter than those with negative methylated MAGI2 whose PFS was 5.1 months.MAGI2 is more methylated in gastric cancer than in adjacent tissues suggesting that hypermethylation changes in MAGI2 may be one of the mechanisms of tumorigenesis in gastric cancer. The methylation status of the SYNE1 and MAGI2 promoter regions may affect the chemotherapy efficacy of advanced gastric cancer. The prognosis of MAGI2-negative patients was better than that of positive ones, suggesting that MAGI2 may be an independent prognostic factor for PFS in patients with advanced gastric cancer.
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Affiliation(s)
- Yanjun Qu
- Department of Oncology, the Second Hospital of Dalian Medical University
| | - Na Gao
- Department of Obstetrics and Gynecology, the First Hospital of Dalian Medical University, Dalian, Liaoning, P.R. China
| | - Tao Wu
- Department of Oncology, the Second Hospital of Dalian Medical University
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Moslim MA, Minarich MJ, Deng M, Handorf E, Greco SH, Reddy SS, Farma JM. Treatment at an Academic Cancer Center Confers Better Survival by Stage for Signet-Ring Cell and Non-signet-Ring Cell Gastric Cancer. Ann Surg Oncol 2021; 28:4423-4432. [PMID: 33393048 DOI: 10.1245/s10434-020-09424-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 11/10/2020] [Indexed: 12/09/2022]
Abstract
BACKGROUND The literature lacks large-scale population studies comparing survival outcomes between signet-ring cell gastric carcinoma (SRGC) and non-SRGC (NSRGC) when treatment is delivered at academic versus community cancer centers. METHODS The National Cancer Database (NCDB) from 2004 to 2016 was queried to examine the association between treatment facility category and overall survival of patients who underwent gastrectomy for resectable gastric adenocarcinoma (GAC). RESULTS The study investigated 22,871 patients. Upstaging of resectable GAC to pathologic stage 4 was more evident at community centers (3.5%) than at academic centers (2.8%) for the NSRGC variant (p = 0.211), whereas it was comparable between the two facility categories for the SRGC variant (5.9% vs 6%, respectively). Patients with pathologic stage 1 or 3 NSRGC who underwent gastrectomy at academic programs had better overall survival (OS) (hazard ratio [HR], 0.68; p < 0.0001) than those who underwent gastrectomy at community centers (HR, 0.79; p < 0.0065). Similarly, patients with stage 2 SRGC had better OS when treated at academic versus community centers (HR, 0.54; p = 0.0019). No statistically significant improvement in OS was observed between patients with stage 2 NSRGC (HR, 0.84; p = 0.083) and those with stage 3 SRGC (HR, 0.78; p = 0.054) who were treated at academic centers. No survival benefit was demonstrated for stage 1 SRGC when academic and community centers were compared (p = 0.56). CONCLUSIONS This is the first study based on a large-scale database in the Western population that addressed the overall survival-by-stage of two distinct GAC histologic variants. Treatment at academic centers was associated with significant improvements in OS.
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Affiliation(s)
- Maitham A Moslim
- Department of Surgical Oncology, Fox Chase Cancer Center, Philadelphia, PA, USA
| | - Michael J Minarich
- Department of Surgical Oncology, Fox Chase Cancer Center, Philadelphia, PA, USA
| | - Mengying Deng
- Department of Biostatistics and Bioinformatics, Fox Chase Cancer Center, Philadelphia, PA, USA
| | - Elizabeth Handorf
- Department of Biostatistics and Bioinformatics, Fox Chase Cancer Center, Philadelphia, PA, USA
| | - Stephanie H Greco
- Department of Surgical Oncology, Fox Chase Cancer Center, Philadelphia, PA, USA
| | - Sanjay S Reddy
- Department of Surgical Oncology, Fox Chase Cancer Center, Philadelphia, PA, USA
| | - Jeffrey M Farma
- Department of Surgical Oncology, Fox Chase Cancer Center, Philadelphia, PA, USA.
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Iyer P, Moslim M, Farma JM, Denlinger CS. Diffuse gastric cancer: histologic, molecular, and genetic basis of disease. Transl Gastroenterol Hepatol 2020; 5:52. [PMID: 33073047 DOI: 10.21037/tgh.2020.01.02] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Accepted: 01/15/2020] [Indexed: 12/24/2022] Open
Abstract
Diffuse gastric cancer (DGC) is a distinct histopathologic and molecular disease, characterized by mutations in CDH1, RHOA, and others. In addition, DGC is associated with familial syndromes, including hereditary DGC and germline mutation in CDH1. Clinically, this subtype of gastric adenocarcinoma is associated with a poor prognosis and possible resistance to available systemic therapies. An understanding of the genetic and molecular underpinnings of DGC may help inform of its clinical behavior and aid in screening, diagnosis, and response to treatment. In this review, we will review the current histologic, molecular, and genetic landscape of DGC and its relevance to clinical practice.
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Affiliation(s)
- Pritish Iyer
- Department of Hematology/Oncology, Fox Chase Cancer Center, Philadelphia, PA, USA
| | - Maitham Moslim
- Department of Surgical Oncology, Fox Chase Cancer Center, Philadelphia, PA, USA
| | - Jeffrey M Farma
- Department of Surgical Oncology, Fox Chase Cancer Center, Philadelphia, PA, USA
| | - Crystal S Denlinger
- Department of Hematology/Oncology, Fox Chase Cancer Center, Philadelphia, PA, USA
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Machine Learning-Based Computational Models Derived From Large-Scale Radiographic-Radiomic Images Can Help Predict Adverse Histopathological Status of Gastric Cancer. Clin Transl Gastroenterol 2020; 10:e00079. [PMID: 31577560 PMCID: PMC6884348 DOI: 10.14309/ctg.0000000000000079] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
INTRODUCTION Adverse histopathological status (AHS) decreases outcomes of gastric cancer (GC). With the lack of a single factor with great reliability to preoperatively predict AHS, we developed a computational approach by integrating large-scale imaging factors, especially radiomic features at contrast-enhanced computed tomography, to predict AHS and clinical outcomes of patients with GC. METHODS Five hundred fifty-four patients with GC (370 training and 184 test) undergoing gastrectomy were retrospectively included. Six radiomic scores (R-scores) related to pT stage, pN stage, Lauren & Borrmann (L&B) classification, World Health Organization grade, lymphatic vascular infiltration, and an overall histopathologic score (H-score) were, respectively, built from 7,000+ radiomic features. R-scores and radiographic factors were then integrated into prediction models to assess AHS. The developed AHS-based Cox model was compared with the American Joint Committee on Cancer (AJCC) eighth stage model for predicting survival outcomes. RESULTS Radiomics related to tumor gray-level intensity, size, and inhomogeneity were top-ranked features for AHS. R-scores constructed from those features reflected significant difference between AHS-absent and AHS-present groups (P < 0.001). Regression analysis identified 5 independent predictors for pT and pN stages, 2 predictors for Lauren & Borrmann classification, World Health Organization grade, and lymphatic vascular infiltration, and 3 predictors for H-score, respectively. Area under the curve of models using those predictors was training/test 0.93/0.94, 0.85/0.83, 0.63/0.59, 0.66/0.63, 0.71/0.69, and 0.84/0.77, respectively. The AHS-based Cox model produced higher area under the curve than the eighth AJCC staging model for predicting survival outcomes. Furthermore, adding AHS-based scores to the eighth AJCC staging model enabled better net benefits for disease outcome stratification. DISCUSSION The developed computational approach demonstrates good performance for successfully decoding AHS of GC and preoperatively predicting disease clinical outcomes.
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Zhou Y, Zhu X, Lin S, Zhu C, Wu L, Chen R, Chen Z, Li W. A Novel Nanoparticle Preparation to Enhance the Gastric Adhesion and Bioavailability of Xanthatin. Int J Nanomedicine 2020; 15:5073-5082. [PMID: 32764937 PMCID: PMC7368565 DOI: 10.2147/ijn.s252049] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Accepted: 06/30/2020] [Indexed: 12/27/2022] Open
Abstract
OBJECTIVE To prepare xanthatin (XA)-loaded polydopamine (PDA) nanoparticles (PDA-XA-NPs) and to investigate their adhesion and bioavailability. MATERIALS AND METHODS PDA-XA-NPs were synthesized and characterized using transmission electron microscopy, zeta potential analysis and encapsulation efficiency analysis. Their in vitro release kinetics and inhibitory effects on gastric cancer were studied. The adhesion of PDA-XA-NPs was evaluated by in vivo imaging atlas. The pharmacokinetics of PDA-XA-NPs and XA was compared. RESULTS PDA-XA-NPs had a spherical shape, a particle size of about 380 nm, an encapsulation efficiency of (82.1 ± 0.02) % and a drug loading capacity of (5.5 ± 0.1)%. The release of PDA-XA-NPs in PBS was stable and slow, without being affected by pH. The adhesion capacity of PDA-XA-NPs for mucin was significantly higher than that of bulk drug. The gastric mucosal retention of PDA-XA-NPs reached 89.1% which significantly exceeded that of XA. In vivo imaging showed that PDA-XA-NPs targeting the stomach were retained for a period of time. The pharmacokinetics study showed that PDA-XA-NPs had a longer retention time and a slower drug release than those of XA. In vitro experiments confirmed that PDA-XA-NPs exerted similar inhibitory effects on gastric cancer to those of XA, which lasted for a period of time. CONCLUSION High-adhesion NPs were constructed. Gastric cancer was targeted by orally administered PDA-XA-NPs, as a potentially feasible therapy. Eventually, the bioavailability of XA was increased.
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Affiliation(s)
- Yaqian Zhou
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing210023, People’s Republic of China
| | - Xingyu Zhu
- Department of Pharmacy and Traditional Chinese Medicine, Jiangsu College of Nursing, Huaian223001, People’s Republic of China
| | - Shangyang Lin
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing210023, People’s Republic of China
| | - Chenqi Zhu
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing210023, People’s Republic of China
| | - Li Wu
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing210023, People’s Republic of China
| | - Rui Chen
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing210023, People’s Republic of China
| | - Zhipeng Chen
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing210023, People’s Republic of China
| | - Weidong Li
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing210023, People’s Republic of China
- Engineering Center of State Ministry of Education for Standardization of Chinese Medicine Processing, Nanjing University of Chinese Medicine, Nanjing210023, People’s Republic of China
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Nie K, Deng Z, Zheng Z, Wen Y, Pan J, Jiang X, Yan Y, Liu P, Liu F, Li P. Identification of a 14-lncRNA Signature and Construction of a Prognostic Nomogram Predicting Overall Survival of Gastric Cancer. DNA Cell Biol 2020; 39:1532-1544. [PMID: 32644844 DOI: 10.1089/dna.2020.5565] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Increasing evidence suggests that aberrant long noncoding (lnc) RNA expression plays a vital role in gastric cancer (GC) initiation and progression. Thus, we aimed to develop a lncRNA-based risk signature and nomogram to predict overall survival (OS) for patients with GC. Our primary cohort was composed of 341 patients with clinical and lncRNA expression data in The Cancer Genome Atlas stomach adenocarcinoma (TCGA STAD), the internal validation cohort was composed of 172 randomly assigned patients, and the external validation cohort was composed of 300 patients from GSE62254 dataset. A risk signature and nomogram were developed for the primary cohort and validated on the validation cohorts. Furthermore, gene set enrichment analysis (GSEA) was used to investigate the pathway enrichment for the risk signature. The expression patterns of several lncRNAs were also investigated in clinical samples from 10 GC patients. We identified and validated a 14-lncRNA signature highly associated with the OS of patients with GC, which performed well on evaluation with C-index, area under the curve, and calibration curves. In addition, univariate and multivariate Cox regression analyses indicated that the lncRNA signature was an independent predictive factor for GC patients. Therefore, a nomogram incorporating lncRNA signature and clinical factors was constructed to predict OS for patients with GC in primary cohort that suggested powerful predictive values for survival in the TCGA cohort and the other two validation cohorts. In addition, GSEA indicated that the identified lncRNAs may regulate the autophagy pathway, affecting tumorigenesis and prognosis of patients with GC. Experimental validation demonstrated that the expression of lncRNAs showed the same trend both in our clinical samples and STAD dataset. These results suggest that both risk signature and nomogram were effective prognostic indicators for patients with GC.
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Affiliation(s)
- Kechao Nie
- Department of Gastroenterology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Zhitong Deng
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Zhihua Zheng
- Department of Gastroenterology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Yi Wen
- Department of Gastroenterology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Jinglin Pan
- Department of Gastroenterology, Hainan Provincial Hospital of Traditional Chinese Medicine, Haikou, Hainan, China
| | - Xiaotao Jiang
- Department of Gastroenterology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Yanhua Yan
- Department of Gastroenterology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Peng Liu
- Department of Gastroenterology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Fengbin Liu
- Department of Gastroenterology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Peiwu Li
- Department of Gastroenterology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
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Song J, Liu Y, Wang T, Li B, Zhang S. MiR-17-5p promotes cellular proliferation and invasiveness by targeting RUNX3 in gastric cancer. Biomed Pharmacother 2020; 128:110246. [PMID: 32447210 DOI: 10.1016/j.biopha.2020.110246] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 05/05/2020] [Accepted: 05/10/2020] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Dysregulated microRNAs (miRNAs/miRs) directly modulate the biological functions of gastric cancer (GC) cells and contribute to the initiation and progression of GC. MiR-17-5p and runt-related transcription factor 3 (RUNX3) have been reported to be related to GC progression; however, the specific interaction between miR-17-5p and RUNX3 in GC require further investigation. METHODS Western blotting, real-time PCR and immunohistochemistry were used to study the expression level of miR-17-5p and RUNX3 in gastric cancer tissues and plasma. The biological function of miR-17-5p was examined by measuring cell proliferation, apoptosis and cell invasion in vitro; the target gene of miR17-5p was identified by luciferase reporter assays, RNA Binding protein immunoprecipitation (RIP) and western blotting. In vivo animal study was conducted to confirm the role of miR-17-5p during tumorigensis of gastric cancer. RESULTS This study showed that miR17-5p was upregulated in the plasma and tissues of patients with GC, while RUNX3 was downregulated in GC tissues. Functional experiments indicated that miR-17-5p mimics promoted the proliferation and invasion of GC via suppressing apoptosis in vitro. Furthermore, bioinformatics prediction, luciferase reporter assays, reverse transcription quantitative polymerase chain reaction assays, RIP and western blotting analysis demonstrated that RUNX3 was a direct target gene of miR-17-5p in GC. In addition, overexpression of RUNX3 suppressed the proliferation and invasiveness of GC cells. In vivo data indicated miR-17-5p agomir significantly promoted tumor growth. In contrast, miR-17-5p antagomir notably decreased tumor volume compared with control group. CONCLUSIONS MiR-17-5p promoted the progression of GC via directly targeting RUNX3, suggesting that miR-17-5p and RUNX3 could be considered as diagnostic and therapeutic targets for patients with GC.
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Affiliation(s)
- Jin Song
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, 100010, China; Beijing Institute of Traditional Chinese Medicine, Beijing 100010, China
| | - Yingjun Liu
- Department of General Surgery, Affiliated Tumor Hospital of Zhengzhou University, Zhengzhou, China
| | - Tianyuan Wang
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, 100010, China; Beijing Institute of Traditional Chinese Medicine, Beijing 100010, China
| | - Bo Li
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, 100010, China; Beijing Institute of Traditional Chinese Medicine, Beijing 100010, China.
| | - Shengsheng Zhang
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, 100010, China.
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Chi Y, Wang H, Wang F, Ding M. PHTF2 regulates lipids metabolism in gastric cancer. Aging (Albany NY) 2020; 12:6600-6610. [PMID: 32335542 PMCID: PMC7202541 DOI: 10.18632/aging.102995] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 02/20/2020] [Indexed: 12/24/2022]
Abstract
Identification of hub genes and key pathways of gastric cancer was recognized to be essential to elucidate the tumorigenesis of GC. This study was aimed to identify the differentially expressed genes (DEGs) in GC via bioinformatics methods and their related pathways involved in the pathological process of GC. Gene expression profile datasets acquired by microarray chips or RNA-seq were downloaded from GEO dataset and TCGA, and 298 differentially expressed genes was identified. The Gene Ontology (GO) and Kyoto Gene and Genomic Encyclopedia (KEGG) pathways of DEGs were then analyzed by the DAVID database to elucidate the potential molecular functions of DEGs. The protein-protein interaction (PPI) network of DEGs was further analyzed with the STRING database and PHTF2 was identified as a hub gene in the PPI network. Subsequently, PHTF2 was found to be highly expressed in different subtypes of gastric cancer tissues obtained from TCGA database or clinical patients, resulting with a poor prognosis. By GSEA, PHTF2 was found to significantly enrich the fatty acid metabolism pathway in gastric cancer. Moreover, PHTF2-regulated lipids metabolism significantly affected the tumorigenesis of GC cells. In summary, this work identified a new mechanism by which PHTF2 precipitated in the pathological process of GC by regulating cellular lipid metabolism.
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Affiliation(s)
- Yuhua Chi
- Department of Oncology, People’s Hospital of Rizhao, Rizhao 276800, Shandong Province, China
| | - Haiyan Wang
- Department of Oncology, People’s Hospital of Rizhao, Rizhao 276800, Shandong Province, China
| | - Fengsong Wang
- Department of Oncology, People’s Hospital of Rizhao, Rizhao 276800, Shandong Province, China
| | - Mingcui Ding
- Department of Oncology, People’s Hospital of Rizhao, Rizhao 276800, Shandong Province, China
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A DNA methylation signature to improve survival prediction of gastric cancer. Clin Epigenetics 2020; 12:15. [PMID: 31959204 PMCID: PMC6972030 DOI: 10.1186/s13148-020-0807-x] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Accepted: 01/02/2020] [Indexed: 02/08/2023] Open
Abstract
Background The current Union International Committee on Cancer or the American Joint Committee on Cancer TNM stage system has shown valuable but insufficient estimation for subsets of gastric cancer and prediction for prognosis patients. Thus, there is an urgent need to identify diagnostic, prognostic, and predictive biomarkers to improve patients’ outcomes. Our aim was to perform an integrative analysis on publicly available datasets to identify epigenetic changes that may play key role in the initiation and progression of gastric cancer, based on which we set to develop a DNA methylation signature to improve survival prediction of gastric cancer. Results A total of 340 methylation-related differentially expression genes (mrDEGs) were screened in gastric cancer patients from The Cancer Genome Atlas (TCGA) project. Pathway enrichment analysis revealed that they were involved in the biological process related to initiation and progression of gastric cancer. Based on the mrDEGs identified, we developed a DNA methylation signature consisting of ten gene members (SCNN1B, NFE2L3, CLDN2, RBPMS2, JPH2, GBP6, COL4A5, SMKR1, PPP1R14A, and ARL4D) according to their methylation β value. This innovative DNA methylation signature was associated with cancer recurrence, while it showed independence of cancer recurrence and TNM stage for survival prediction. Combination of this DNA methylation signature and TNM stage improved overall survival prediction in the receiver operating characteristic analysis. We also verified that two individual genes (PPP1R14A and SCNN1B) of the identified prognostic signature were regulated by promoter region methylation in a panel of gastric cell lines. Conclusions This study presents a powerful DNA methylation signature by performing analyses integrating multi-source data including transcriptome, methylome, and clinical outcome of gastric cancer patients from TCGA. The identified DNA methylation signature may be used to refine the current prognostic model and facilitate further stratification of patients in the future clinical trials. Further experimental studies are warranted to unveil the regulatory mechanism and functional role of all the individual genes of the DNA methylation signature. Also, clinical investigations in large GC patient cohorts are greatly needed to validate our findings.
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Zhan S, Liu Z, Zhang M, Guo T, Quan Q, Huang L, Guo L, Cao L, Zhang X. Overexpression of B7-H3 in α-SMA-Positive Fibroblasts Is Associated With Cancer Progression and Survival in Gastric Adenocarcinomas. Front Oncol 2020; 9:1466. [PMID: 31998637 PMCID: PMC6966326 DOI: 10.3389/fonc.2019.01466] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 12/06/2019] [Indexed: 12/14/2022] Open
Abstract
Background: B7-H3 promotes tumor immune escape and is highly expressed in tumor tissues. Stromal cells in tumors, including fibroblasts, play an important role in this process; however, the role of B7-H3 in tumor fibroblasts has not been fully clarified. Methods: We examined B7-H3, CD31, and alpha-smooth muscle actin (α-SMA) protein expression in 268 gastric adenocarcinomas (GACs) by immunohistochemistry. The coexpression of B7-H3 with CD31 or α-SMA was examined using immunofluorescence double staining. Cytokine expression from fibroblasts treated with B7-H3 small interfering RNA (siRNA) was analyzed by a Quantitative reverse transcription-polymerase chain reaction (qPCR) and Enzyme-linked immunosorbent assay (ELISA). The transwell tests were conducted to assess the migration and invasion ability of fibroblasts. The overall survival was analyzed by a Kaplan-Meier analysis. Associations between categorical variables were assessed using the Pearson's Chi-square test or Fisher's exact test. Results: GAC patients with B7-H3 expression showed significantly poorer survival (P = 0.012). The overall survival of the group with high B7-H3 expression was significantly worse than the group with low B7-H3 expression in both tumor cells and in stromal cells (P = 0.007 and P = 0.048, respectively). B7-H3 expression correlated with many clinicopathological data, including tumor stage, tumor depth, lymph node involvement, and survival. Immunofluorescence staining showed that B7-H3 was expressed in tumor cells and α-SMA-positive fibroblasts. Remarkably, high expression of α-SMA was associated with a poor prognosis (P = 0.007), and the prognoses of patients with high stromal expression of B7-H3 and α-SMA were significantly worse than that of other combination types (P = 0.001). Additionally, the absence of B7-H3 led to decreased secretion of cytokines, such as interleukin (IL)-6 and vascular endothelial growth factor (VEGF), as well as a decline in migration and invasion ability in cancer-associated fibroblasts (CAFs). Conclusions: Patients with high B7-H3 expression either in tumor cells or in stromal cells had significantly poorer overall survival. Stromal B7-H3 expression was mostly detected in α-SMA-positive CAFs. GAC patients with both stromal B7-H3-high and α-SMA-high expression had significantly poorer overall survival, suggesting that stromal B7-H3 and α-SMA expression status can serve as an indicator of poor prognosis for GAC patients.
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Affiliation(s)
- Shenghua Zhan
- Department of Pathology, Jiangsu Institute of Clinical Immunology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Zhiju Liu
- Department of Pathology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Min Zhang
- Department of Pathology, Children's Hospital of Soochow University, Suzhou, China
| | - Tianwei Guo
- Department of Pathology, Changshu Hospital of Affiliated to Nanjing University of Chinese Medicine, Changshu, China
| | - Qiuying Quan
- Department of Pathology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Lili Huang
- Department of Clinical Laboratory, Children's Hospital of Soochow University, Suzhou, China
| | - Lingchuan Guo
- Department of Pathology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Lei Cao
- Jiangsu Institute of Clinical Immunology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Xueguang Zhang
- Jiangsu Institute of Clinical Immunology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Jiangsu Key Laboratory of Gastrointestinal Tumor Immunology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Jiangsu Key Laboratory of Clinical Immunology, Soochow University, Suzhou, China
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Li CH, Hao ML, Sun Y, Wang ZJ, Li JL. Ultrastructure of gap junction and Cx43 expression in gastric cancer tissues of the patients. Arch Med Sci 2020; 16:352-358. [PMID: 32190146 PMCID: PMC7069450 DOI: 10.5114/aoms.2020.92859] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Accepted: 08/21/2017] [Indexed: 11/26/2022] Open
Abstract
INTRODUCTION Gap junctions are intercellular channels formed by connexin facilitating communication between cells by allowing transfer of ions and small signaling molecules. Connexin 43 (Cx43) is the most ubiquitous connexin in human tissues. Ample evidence suggests the role of gap junction and its connexins such as connexin 43 in human cancers including gastric cancer, which has an important place in the worldwide incidence of cancer and cancer-related deaths. Due to a number of contradictory studies and insufficient detailed examination in specific cancers, such as gastric cancer, more data on the role of gap junctions and their connexins such as Cx43 involved in gastric cancer remain necessary. MATERIAL AND METHODS Transmission electron microscopy, Western blotting and RT-PCR were used to show the ultrastructure damage of the gap junction in the gastric carcinoma tissue as well as the expression of Cx43 protein and mRNA, respectively. RESULTS Ultrastructure damage of the gap junction in gastric carcinoma tissue was shown while poorly differentiated tissue experienced greater damage. The expression of Cx43 protein and mRNA was higher in healthy gastric tissue than in carcinomatous gastric tissue (p < 0.05). There was higher expression of Cx43 protein and mRNA in high-medium differentiation than in poor differentiation (p < 0.05). Cx43 protein and mRNA expression is not statistically significant for different ages and sex (such as for > 56 and ≤ 56 years) (p > 0.05). CONCLUSIONS Ultrastructural changes of gap junctions with abnormal Cx43 expression are associated with occurrence and development of gastric cancer, which provides a new research direction for gastric cancer pathogenesis and targeted therapy.
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Affiliation(s)
- Chun-Hui Li
- Department of Pathology, The Affiliated Hospital of Chengde Medical College, Chengde, Hebei, China
| | - Mei-Ling Hao
- Department of Pathology, The Affiliated Hospital of Chengde Medical College, Chengde, Hebei, China
| | - Yu Sun
- Department of Pathology, The Affiliated Hospital of Chengde Medical College, Chengde, Hebei, China
| | - Zhu-Jun Wang
- Department of Pathology, The Affiliated Hospital of Chengde Medical College, Chengde, Hebei, China
| | - Jian-Ling Li
- Department of Pathology, The Affiliated Hospital of Chengde Medical College, Chengde, Hebei, China
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Spaety ME, Gries A, Badie A, Venkatasamy A, Romain B, Orvain C, Yanagihara K, Okamoto K, Jung AC, Mellitzer G, Pfeffer S, Gaiddon C. HDAC4 Levels Control Sensibility toward Cisplatin in Gastric Cancer via the p53-p73/BIK Pathway. Cancers (Basel) 2019; 11:cancers11111747. [PMID: 31703394 PMCID: PMC6896094 DOI: 10.3390/cancers11111747] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 10/23/2019] [Accepted: 10/31/2019] [Indexed: 02/08/2023] Open
Abstract
Gastric cancer (GC) remains a health issue due to the low efficiency of therapies, such as cisplatin. This unsatisfactory situation highlights the necessity of finding factors impacting GC sensibility to therapies. We analyzed the cisplatin pangenomic response in cancer cells and found HDAC4 as a major epigenetic regulator being inhibited. HDAC4 mRNA repression was partly mediated by the cisplatin-induced expression of miR-140. At a functional level, HDAC4 inhibition favored cisplatin cytotoxicity and reduced tumor growth. Inversely, overexpression of HDAC4 inhibits cisplatin cytotoxicity. Importantly, HDAC4 expression was found to be elevated in gastric tumors compared to healthy tissues, and in particular in specific molecular subgroups. Furthermore, mutations in HDAC4 correlate with good prognosis. Pathway analysis of genes whose expression in patients correlated strongly with HDAC4 highlighted DNA damage, p53 stabilization, and apoptosis as processes downregulated by HDAC4. This was further confirmed by silencing of HDAC4, which favored cisplatin-induced apoptosis characterized by cleavage of caspase 3 and induction of proapoptotic genes, such as BIK, in part via a p53-dependent mechanism. Altogether, these results reveal HDAC4 as a resistance factor for cisplatin in GC cells that impacts on patients' survival.
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Affiliation(s)
- Marie-Elodie Spaety
- Laboratory STREINTH (Stress Response and Innovative Therapies), Inserm IRFAC UMR_S1113, Université de Strasbourg, 3 av. Molière, 67200 Strasbourg, France; (M.-E.S.); (A.G.); (A.B.); (A.V.); (B.R.); (C.O.); (A.C.J.); (G.M.)
- Architecture and Reactivity of RNA, Institut de biologie moléculaire et cellulaire du CNRS, Université de Strasbourg, 15 rue René Descartes, 67084 Strasbourg, France;
| | - Alexandre Gries
- Laboratory STREINTH (Stress Response and Innovative Therapies), Inserm IRFAC UMR_S1113, Université de Strasbourg, 3 av. Molière, 67200 Strasbourg, France; (M.-E.S.); (A.G.); (A.B.); (A.V.); (B.R.); (C.O.); (A.C.J.); (G.M.)
| | - Amandine Badie
- Laboratory STREINTH (Stress Response and Innovative Therapies), Inserm IRFAC UMR_S1113, Université de Strasbourg, 3 av. Molière, 67200 Strasbourg, France; (M.-E.S.); (A.G.); (A.B.); (A.V.); (B.R.); (C.O.); (A.C.J.); (G.M.)
| | - Aina Venkatasamy
- Laboratory STREINTH (Stress Response and Innovative Therapies), Inserm IRFAC UMR_S1113, Université de Strasbourg, 3 av. Molière, 67200 Strasbourg, France; (M.-E.S.); (A.G.); (A.B.); (A.V.); (B.R.); (C.O.); (A.C.J.); (G.M.)
- Radiology Department, Centre Hospitalier Universitaire (CHU) Hautepierre, 67200 Strasbourg, France
| | - Benoit Romain
- Laboratory STREINTH (Stress Response and Innovative Therapies), Inserm IRFAC UMR_S1113, Université de Strasbourg, 3 av. Molière, 67200 Strasbourg, France; (M.-E.S.); (A.G.); (A.B.); (A.V.); (B.R.); (C.O.); (A.C.J.); (G.M.)
- Digestive Surgery department, CHU Hautepierre, 67200 Strasbourg, France
| | - Christophe Orvain
- Laboratory STREINTH (Stress Response and Innovative Therapies), Inserm IRFAC UMR_S1113, Université de Strasbourg, 3 av. Molière, 67200 Strasbourg, France; (M.-E.S.); (A.G.); (A.B.); (A.V.); (B.R.); (C.O.); (A.C.J.); (G.M.)
| | | | - Koji Okamoto
- National Cancer Research Center, Tokyo 104_0045, Japan; (K.Y.); (K.O.)
| | - Alain C. Jung
- Laboratory STREINTH (Stress Response and Innovative Therapies), Inserm IRFAC UMR_S1113, Université de Strasbourg, 3 av. Molière, 67200 Strasbourg, France; (M.-E.S.); (A.G.); (A.B.); (A.V.); (B.R.); (C.O.); (A.C.J.); (G.M.)
- Centre de Lutte contre le Cancer Paul Strauss (CLCC), 67065 Strasbourg, France
| | - Georg Mellitzer
- Laboratory STREINTH (Stress Response and Innovative Therapies), Inserm IRFAC UMR_S1113, Université de Strasbourg, 3 av. Molière, 67200 Strasbourg, France; (M.-E.S.); (A.G.); (A.B.); (A.V.); (B.R.); (C.O.); (A.C.J.); (G.M.)
- Centre de Lutte contre le Cancer Paul Strauss (CLCC), 67065 Strasbourg, France
| | - Sébastien Pfeffer
- Architecture and Reactivity of RNA, Institut de biologie moléculaire et cellulaire du CNRS, Université de Strasbourg, 15 rue René Descartes, 67084 Strasbourg, France;
| | - Christian Gaiddon
- Laboratory STREINTH (Stress Response and Innovative Therapies), Inserm IRFAC UMR_S1113, Université de Strasbourg, 3 av. Molière, 67200 Strasbourg, France; (M.-E.S.); (A.G.); (A.B.); (A.V.); (B.R.); (C.O.); (A.C.J.); (G.M.)
- Centre de Lutte contre le Cancer Paul Strauss (CLCC), 67065 Strasbourg, France
- Correspondence:
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High Expression of TTYH3 is Related to Poor Clinical Outcomes in Human Gastric Cancer. J Clin Med 2019; 8:jcm8111762. [PMID: 31652813 PMCID: PMC6912211 DOI: 10.3390/jcm8111762] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 10/21/2019] [Accepted: 10/22/2019] [Indexed: 12/13/2022] Open
Abstract
Ion channels play important roles in regulating various cellular processes and malignant transformation. Expressions of some chloride channels have been suggested to be associated with patient survival in gastric cancer (GC). However, little is known about the expression and function of TTYH3, a gene encoding a chloride ion channel, in cancer progression. Here, we comprehensively analyzed the expression of TTYH3 and its clinical outcome in GC using publicly available cancer gene expression and patient survival data through various databases. We examined the differences of TTYH3 expression between cancers and their normal tissues using the Oncomine, UALCAN, and GEO (Gene Expression Omnibus) databases. TTYH3 expression was investigated from immunohistochemistry images using the Human Protein Atlas database. Copy number alterations and mutations of TTYH3 were analyzed using cBioPortal. The co-expression profile of TTYH3 in GC was revealed using Oncomine. The gene ontology and pathway analyses were done using those co-expressed genes via the Enrichr tool to explore the predicted signaling pathways in GC. TTYH3 mRNA and protein levels in GC were significantly greater than those in normal tissue. Kaplan–Meier analysis revealed the upregulation of TTYH3 expression, which was significantly correlated with worse patient survival. Collectively, our data suggest that TTYH3 might be a potential prognostic marker for GC patients.
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Wang Z, Yu K, Hu Y, Su F, Gao Z, Hu T, Yang Y, Cao X, Qian F. Schisantherin A induces cell apoptosis through ROS/JNK signaling pathway in human gastric cancer cells. Biochem Pharmacol 2019; 173:113673. [PMID: 31629709 DOI: 10.1016/j.bcp.2019.113673] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Accepted: 10/15/2019] [Indexed: 02/07/2023]
Abstract
Gastric cancer is one of the most lethal cancers with unmet clinical treatment and low 5-year survival rate. Schisantherin A is a major compound derived from Fructusschisandrae while its anti-tumor role remains nearly unknown. Here, we reported that schisantherin A had an anti-proliferation effect on gastric cancer cell lines MKN45 and SGC-7901. Schisantherin A induced cell cycle arrest at G2/M phase and cell apoptosis, and inhibited cell migration in gastric cancer MKN45 and SGC7901 cells. Meanwhile, upregulation of cleaved caspase-9, cleaved caspase-3 and cleaved PARP were accompanied with the loss of mitochondrial membrane potential (MMP). Moreover, schisantherin A induced ROS-dependent JNK phosphorylation with higher ROS production. The JNK inhibitor and ROS scavenger NAC rescued the cell apoptosis and cycle inhibition elicited by schisantherin A. Furthermore, the expression level of antioxidant factor Nrf2 was suppressed by schisantherin A. These findings suggest that schisantherin A possesses an anti-tumor activity via activation of ROS/JNK with Nrf2 inhibition, indicating that schisantherin A is a promising chemotherapeutic candidate for gastric cancer.
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Affiliation(s)
- Zishu Wang
- Department of Medical Oncology, First Affiliated Hospital of Bengbu Medical College, Anhui Province Key Laboratory of Translational Cancer Research, Bengbu Medical College, Bengbu, Anhui Province 233004, PR China
| | - Kaikai Yu
- Engineering Research Center of Cell & Therapeutic Antibody, Ministry of Education, School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, PR China.
| | - Yudong Hu
- Engineering Research Center of Cell & Therapeutic Antibody, Ministry of Education, School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, PR China.
| | - Fang Su
- Department of Medical Oncology, First Affiliated Hospital of Bengbu Medical College, Anhui Province Key Laboratory of Translational Cancer Research, Bengbu Medical College, Bengbu, Anhui Province 233004, PR China
| | - Zhenyuan Gao
- Department of Medical Oncology, First Affiliated Hospital of Bengbu Medical College, Anhui Province Key Laboratory of Translational Cancer Research, Bengbu Medical College, Bengbu, Anhui Province 233004, PR China
| | - Ting Hu
- Department of Medical Oncology, First Affiliated Hospital of Bengbu Medical College, Anhui Province Key Laboratory of Translational Cancer Research, Bengbu Medical College, Bengbu, Anhui Province 233004, PR China
| | - Yang Yang
- Department of Medical Oncology, First Affiliated Hospital of Bengbu Medical College, Anhui Province Key Laboratory of Translational Cancer Research, Bengbu Medical College, Bengbu, Anhui Province 233004, PR China
| | - Xiangliao Cao
- Department of Medical Oncology, First Affiliated Hospital of Bengbu Medical College, Anhui Province Key Laboratory of Translational Cancer Research, Bengbu Medical College, Bengbu, Anhui Province 233004, PR China
| | - Feng Qian
- Department of Medical Oncology, First Affiliated Hospital of Bengbu Medical College, Anhui Province Key Laboratory of Translational Cancer Research, Bengbu Medical College, Bengbu, Anhui Province 233004, PR China; Engineering Research Center of Cell & Therapeutic Antibody, Ministry of Education, School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, PR China; Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Cancer Institute, Xuzhou Medical University, Xuzhou 221004, PR China.
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Fisher BW, Fluck M, Young K, Shabahang M, Blansfield J, Arora TK. Urgent Surgery for Gastric Adenocarcinoma: A Study of the National Cancer Database. J Surg Res 2019; 245:619-628. [PMID: 31522035 DOI: 10.1016/j.jss.2019.07.073] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 07/13/2019] [Accepted: 07/19/2019] [Indexed: 12/21/2022]
Abstract
BACKGROUND Gastric adenocarcinoma is a leading cause of cancer death worldwide and, in the United States, can present emergently with upper GI hemorrhage, obstruction, or perforation. No large studies have examined how urgent surgery affects patient outcomes. This study examines the outcomes of urgent versus elective surgery for gastric cancer. MATERIALS AND METHODS Patients with gastric adenocarcinoma from the National Cancer Database from 2004 to 2015 were examined retrospectively. Patients with metastatic disease or incomplete data were excluded. Urgent surgery was defined as definitive surgery within 3 d of diagnosis. Univariate and multivariate analysis of patient factors, surgical outcomes, and oncologic data was performed. P-values <0.05 were statistically significant. RESULTS Of 26,116 total patients, 2964 had urgent surgery and 23,468 had elective surgery. Urgent surgery patients were significantly older, were female, were nonwhite, had higher pathologic stage, and were treated at a low-volume center. Urgent surgery was associated with decreased quality lymph node harvest (odds ratio [OR] 0.68 95% confidence interval {CI} [0.62, 0.74]), increased positive surgical margin (OR 1.48, 95% CI [1.32, 1.65]), increased 30-d mortality (OR 1.38, 95% CI [1.16, 1.65]), increased 90-d mortality (OR 1.30, 95% CI [1.14, 1.49]), and decreased overall survival (hazard ratio 1.21, 95% CI [1.15, 1.27]). CONCLUSIONS Urgent surgery for gastric cancer is associated with significantly worse outcomes than elective surgery. Stable patients requiring urgent surgical resection for gastric cancer may benefit from referral to a high-volume center for resection by an experienced surgeon. Patients undergoing urgent resection for gastric cancer should be referred to surgical and medical oncologists to ensure they receive appropriate adjuvant therapy and surveillance.
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Affiliation(s)
- Benjamin W Fisher
- Department of Surgery, Geisinger Medical Center, Danville, Pennsylvania
| | - Marcus Fluck
- Department of Surgery, Geisinger Medical Center, Danville, Pennsylvania
| | - Katelyn Young
- Department of Surgery, Geisinger Medical Center, Danville, Pennsylvania
| | - Mohsen Shabahang
- Department of Surgery, Geisinger Medical Center, Danville, Pennsylvania
| | - Joseph Blansfield
- Department of Surgery, Geisinger Medical Center, Danville, Pennsylvania
| | - Tania K Arora
- Department of Surgery, Geisinger Medical Center, Danville, Pennsylvania
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Ma F, Li X, Ren J, Guo R, Li Y, Liu J, Sun Y, Liu Z, Jia J, Li W. Downregulation of eukaryotic translation initiation factor 3b inhibited proliferation and metastasis of gastric cancer. Cell Death Dis 2019; 10:623. [PMID: 31423012 PMCID: PMC6698483 DOI: 10.1038/s41419-019-1846-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2018] [Revised: 07/16/2019] [Accepted: 07/25/2019] [Indexed: 12/24/2022]
Abstract
Eukaryotic translation initiation factor 3 (eIF3) plays an important role in the regulation of mRNA translation, cell growth and cancer development. eIF3b is the main scaffolding subunit in the eIF3 complex and has been demonstrated to contribute to the development of several cancers. First, our study found that the downregulation of eIF3b could inhibit the proliferation and metastasis of gastric cancer cells by regulating the expression of cancer-related genes. In addition, the expression of eIF3b correlated with the stage and progression of gastric cancer and was shown to be upregulated in human chronic gastritis and in gastric cancer tissues compared with the expression of eIF3b in normal gastric tissues. Moreover, Helicobacter pylori (H. pylori) infection could upregulate the expression of eIF3b in gastric cancer cells, suggesting that eIF3b might be involved in the carcinogenic process of H. pylori. The above findings identified the oncogenic role of eIF3b in gastric cancer development, and this may contribute to the exploration and discovery of novel therapeutic targets for gastric cancer treatment.
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Affiliation(s)
- Fang Ma
- Key Laboratory for Experimental Teratology of Chinese Ministry of Education, The Shandong Provincial Key Laboratory of Infection and Immunology, Department of Microbiology, School of basic medical sciences, Shandong University-Karolinska Institutet Collaborative Laboratory for Cancer Research, Shandong University, Jinan, PR China
| | - Xue Li
- Key Laboratory for Experimental Teratology of Chinese Ministry of Education, The Shandong Provincial Key Laboratory of Infection and Immunology, Department of Microbiology, School of basic medical sciences, Shandong University-Karolinska Institutet Collaborative Laboratory for Cancer Research, Shandong University, Jinan, PR China
| | - Juchao Ren
- Department of Urology, Qilu Hospital, Shandong University, Jinan, PR China
| | - Ruiting Guo
- Key Laboratory for Experimental Teratology of Chinese Ministry of Education, The Shandong Provincial Key Laboratory of Infection and Immunology, Department of Microbiology, School of basic medical sciences, Shandong University-Karolinska Institutet Collaborative Laboratory for Cancer Research, Shandong University, Jinan, PR China
| | - Yuwei Li
- Key Laboratory for Experimental Teratology of Chinese Ministry of Education, The Shandong Provincial Key Laboratory of Infection and Immunology, Department of Microbiology, School of basic medical sciences, Shandong University-Karolinska Institutet Collaborative Laboratory for Cancer Research, Shandong University, Jinan, PR China
| | - Jichang Liu
- Key Laboratory for Experimental Teratology of Chinese Ministry of Education, The Shandong Provincial Key Laboratory of Infection and Immunology, Department of Microbiology, School of basic medical sciences, Shandong University-Karolinska Institutet Collaborative Laboratory for Cancer Research, Shandong University, Jinan, PR China
| | - Yundong Sun
- Key Laboratory for Experimental Teratology of Chinese Ministry of Education, The Shandong Provincial Key Laboratory of Infection and Immunology, Department of Microbiology, School of basic medical sciences, Shandong University-Karolinska Institutet Collaborative Laboratory for Cancer Research, Shandong University, Jinan, PR China
| | - Zhifang Liu
- Department of Biochemistry and Molecular Biology, School of basic medical sciences, Shandong University, Jinan, PR China
| | - Jihui Jia
- Key Laboratory for Experimental Teratology of Chinese Ministry of Education, The Shandong Provincial Key Laboratory of Infection and Immunology, Department of Microbiology, School of basic medical sciences, Shandong University-Karolinska Institutet Collaborative Laboratory for Cancer Research, Shandong University, Jinan, PR China
| | - Wenjuan Li
- Key Laboratory for Experimental Teratology of Chinese Ministry of Education, The Shandong Provincial Key Laboratory of Infection and Immunology, Department of Microbiology, School of basic medical sciences, Shandong University-Karolinska Institutet Collaborative Laboratory for Cancer Research, Shandong University, Jinan, PR China.
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Curado MP, Silva DRME, Oliveira MMD, Soares F, Begnami MD, Coimbra FJF, Assumpção PPD, de Sant'Ana RO, Demachki S, Dias-Neto E. Disparities in Epidemiological Profile of Gastric Adenocarcinoma in Selected Cities of Brazil. Asian Pac J Cancer Prev 2019; 20:2253-2258. [PMID: 31450892 PMCID: PMC6852822 DOI: 10.31557/apjcp.2019.20.8.2253] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Accepted: 08/05/2019] [Indexed: 12/18/2022] Open
Abstract
Background: Despite decreasing global incidence trends, gastric cancer is still among the five most incident cancers in the world and the third cancer-related cause of death. In Brazil, differences in incidence and mortality exist depending on the geographic region studied. Objective: To describe the incidence, mortality, trends and age-period-cohort of gastric cancer in three cities of Brazil (Sao Paulo, Belem and Fortaleza), in the period 1990-2012. Mortality for gastric cancer in Brazil overall and by region was described. Methods: 33,462 incident cases of gastric cancer were identified from the population-based cancer registries and 23,424 deaths from mortality information system in residents of the three cities and in Brazil were included in the study. Data for incident cases were extracted from the Population Based Cancer Registries from the National Cancer Institute (INCA). Mortality data on gastric cancer were extracted from Information Technology Department of Brazilian Public Health Care System/Health Ministry (DATASUS/MS). Mortality and incidence age standardized rates were calculated. For trends analysis the Joinpoint Regression and age-period-cohort model were applied. Results: Belem presented the highest incidence rates for gastric adenocarcinoma. Decreasing incidence trends were identified in Sao Paulo (-7.8% in men; -6.3% in women) and in Fortaleza (-1.2% in men). Increasing incidence trends were observed for women in Belem (1.8%) and Fortaleza (1.1%). In Belem (Amazon area), there was an increased risk for gastric cancer in women born after the 1960s. Overall in Brazil mortality for gastric cancer is decreasing. Mortality trends showed significant reduction, for both sexes, in the three Brazilian cities. Conclusion: Incidence of gastric cancer is increasing in women born in the sixties in Belem (Amazon region) and Fortaleza (Northeast region). In Brazil there was increase in mortality in Northeast region and decrease in others regions. More update data on incidence for Amazon and Northeast region is needed.
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Affiliation(s)
- Maria Paula Curado
- Epidemiology and Statistics Nucleus, International Research Center, A.C.Camargo Cancer Center, Sao Paulo, Brazil.
| | | | - Max Moura de Oliveira
- Epidemiology and Statistics Nucleus, International Research Center, A.C.Camargo Cancer Center, Sao Paulo, Brazil.
| | - Fernando Soares
- Anatomic Pathology Department, Rede D'Or Hospitals, Sao Paulo, Brazil
- Network and General Pathology, Faculty of Dentistry of the University of Sao Paulo, Brzil
| | | | | | | | | | | | - Emmanuel Dias-Neto
- Medical Genomics Laboratory, International Research Center, A.C.Camargo Cancer Center, Sao Paulo, Brazil
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Zhang HW, Yang JJ, Zheng JY, Sun L, Yang XW, Li GC. Postoperative intraperitoneal hyperthermic perfusion improve survival for advanced gastric cancer. Medicine (Baltimore) 2019; 98:e16598. [PMID: 31348304 PMCID: PMC6709137 DOI: 10.1097/md.0000000000016598] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
To evaluate the value of intraperitoneal hyperthermic perfusion (IPHP) in the treatment of gastric cancer.Gastric cancer (GC) is a malignancy with poor prognosis, recent years have demonstrated advances in the use of IPHP for the treatment of advanced gastric cancer (AGC), but the outcome is controversial.Between January 2015 and January 2017, 134 patients with GC were treated with IPHP in our surgery department, 130 of them were advanced GC patients, and other 1439 cases were treated without IPHP for comparison. In this retrospective cohort study, demographic, perioperative data, and follow-up data were analyzed by univariant analysis, Kaplan-Meier and Cox regression survival analysis.We found the 1-year survival in IPHP group was significantly longer than it in non-IPHP group (85.5% vs 73.8%, P = .027). and IPHP decreased mortality 1.8 times in 2-year course (OR = 0.556, P = .004). The incidence rate of total complications in IPHP group was similar to that in the Non-IPHP group (6.67% vs 7.46%, respectively; P = .718). We classified all patients into four groups, operation alone, operation + chemotherapy, operation + IPHP, and operation + IPHP + chemotherapy. The 1-year survival in the groups was 70.2%, 77.5%, 83.1%, and 93.5%, respectively (P = .001), compared with the group of operation alone, the 2-year mortality risk was decreased 1.76 times (OR = 0.569, P = .030) and 2.59 times (OR = 0.385, P = .022) in operation + IPHP group and operation + IPHP + chemotherapy group.Our results suggest that IPHP could contribute to improve survival of patients with gastric cancer. And the modality of operation + IPHP + chemotherapy is the optimal treatment modality for gastric cancer.
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Affiliation(s)
- Hong-Wei Zhang
- Division of Digestive Surgery, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi’an 710032
| | - Jian-Jun Yang
- Division of Digestive Surgery, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi’an 710032
| | - Ji-Yang Zheng
- Division of Digestive Surgery, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi’an 710032
| | - Li Sun
- Division of Digestive Surgery, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi’an 710032
| | - Xue-Wen Yang
- Division of Digestive Surgery, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi’an 710032
| | - Guo-Cai Li
- Division of Digestive Surgery, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi’an 710032
- Division of Digestive Surgery, Xi’an International Medical Centre, Xi’an 710000, Shaanxi Province, China
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RSRC1 suppresses gastric cancer cell proliferation and migration by regulating PTEN expression. Mol Med Rep 2019; 20:1747-1753. [PMID: 31257492 PMCID: PMC6625388 DOI: 10.3892/mmr.2019.10409] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Accepted: 05/10/2019] [Indexed: 12/15/2022] Open
Abstract
Arginine/serine-rich coiled coil 1 (RSRC1) is a gene which plays a significant role in the constitutive and alternative splicing of mRNA and transcriptional regulation. It has been implicated in various neurological disorders, as well as in cancer. However, its role in gastric cancer (GC) remains unknown. Thus, the present study aimed to investigate the role of RSRC1 in GC. RSRC1 expression in GC tissues was determined by RT-qPCR and immunohistochemical staining. The effects of RSRC1 on cell proliferation and migration were detected using a Cell Counting Kit-8 assay, 5-ethynyl-2′-deoxyuridine (EdU) incorporation assay and a Transwell migration assay. Western blot analysis and RT-qPCR were used to explore the molecular mechanisms of of action of RSRC1 in GC. The results indicated that RSRC1 expression was downregulated in GC tissues compared to paired normal tissues and the reduced expression of RSRC1 was shown to contribute to a poor prognosis of patients with GC. RSRC1 knockdown promoted the proliferation and migration of GC cells. In addition, the knockdown of RSRC1 decreased the expression of phosphatase and tensin homolog deleted on chromosome 10 (PTEN), a potent tumor suppressor gene controlling cellular growth and viability. On the whole, the findings of the present study indicate that RSRC1 functions as a tumor suppressor gene in GC and that it may exert its effects by regulating PTEN expression.
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Fan WD, Chen T, Liu PJ. NIMA related kinase 2 promotes gastric cancer cell proliferation via ERK/MAPK signaling. World J Gastroenterol 2019; 25:2898-2910. [PMID: 31249448 PMCID: PMC6589739 DOI: 10.3748/wjg.v25.i23.2898] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 04/27/2019] [Accepted: 05/18/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND NIMA related kinase 2 (NEK2) is closely related to mitosis, and it is currently considered to be over-expressed frequently in many poorly prognostic cancers. However, the effect of the up-regulated NEK2 on cellular signaling in tumors, such as gastric cancer (GC), is con-fusing.
AIM To determine the role of the up-regulation of NEK2 in GC.
METHODS To investigate the pathological significance of NEK2 in GC, the expression pattern of NEK2 in GC was investigated based on the “Oncomain” database and compared between 30 pairs of cancer samples and adjacent tissues. The co-expression of NEK2 and ERK in GC was analyzed using The Cancer Genome Atlas (TCGA) database and confirmed in clinical samples by quantitative real-time PCR (qRT-PCR), and the survival curve was also plotted. Western blot or qRT-PCR was used to analyze the effect of NEK2 on the phosphorylation levels of ERK and c-JUN in two GC cell lines (BGC823 and SGC7901) with NEK2 overexpression, and the expression of the downstream effector cyclin D1. Furthermore, CCK8, EdU incorporation assay, and flow cytometry were used to detect the proliferative ability of BGC823 and SGC7901 cells with stably silenced ERK.
RESULTS NEK2 was significantly up-regulated in human GC tissues. ERK was significantly associated with NEK2 expression in human clinical specimens, and combined overexpression of NEK2 and ERK potentially forecasted a poor prognosis and survival in GC patients. NEK2 knockdown in GC cells inhibited ERK and c-JUN phosphory-lation and reduced the transcription of cyclin D1. More interestingly, NEK2 can rescue the inhibition of cellular viability, proliferation, and cell cycle progression due to ERK knockdown.
CONCLUSION Our results indicate that NEK2 plays a carcinogenic role in the malignant proliferation of GC cells via the ERK/MAPK signaling, which may be important for treatment and improving patient survival.
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Affiliation(s)
- Wei-Dong Fan
- Department of Gastroenterology, the Affiliated Zhangjiagang Hospital of Soochow University, Zhangjiagang 215600, Jiangsu Province, China
| | - Tao Chen
- Department of Gastroenterology, the Wujin Hospital Affiliated to Jiangsu University, Changzhou 213002, Jiangsu Province, China
| | - Peng-Jun Liu
- Department of Gastroenterology, the Wujin Hospital Affiliated to Jiangsu University, Changzhou 213002, Jiangsu Province, China
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Cheng C, Wang Q, Zhu M, Liu K, Zhang Z. Integrated analysis reveals potential long non-coding RNA biomarkers and their potential biological functions for disease free survival in gastric cancer patients. Cancer Cell Int 2019; 19:123. [PMID: 31080364 PMCID: PMC6505118 DOI: 10.1186/s12935-019-0846-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Accepted: 05/02/2019] [Indexed: 12/24/2022] Open
Abstract
Background Increasing evidences supported the association between long non-coding RNA (lncRNA) and disease free survival in gastric cancer (GC) patients. The purpose of the current study was to construct and verify a noninvasive preoperative predictive tool for disease free survival in GC patients. Methods There were 265 and 300 GC patients in model dataset and validation dataset respectively. The associations between the lncRNA biomarkers and disease free survival were evaluated by univariate and multivariate Cox regression. Results Thirteen lncRNA biomarkers (GAS5-AS1, AL109615.3, KDM7A-DT, AP000866.2, KCNJ2-AS1, LINC00656, LINC01777, AC046185.3, TTTY14, LINC01526, LINC02523, LINC00592, and C5orf66) were identified as prognostic biomarkers with disease free survival. These thirteen lncRNA biomarkers were combined to construct a prognostic signature for disease free survival. The C-indexes of the current predictive signature in model cohort were 0.849 (95% CI 0.803–0.895), 0.859 (95% CI 0.813–0.905) and 0.888 (95% CI 0.842–0.934) for 1-year, 3-year and 5-year disease free survival respectively. Based on thirteen-lncRNA prognostic signature, patients in model cohort could be stratified into high risk group and low risk group with significant different disease free survival rate (hazard ratio [HR] = 7.355, 95% confidence interval [CI] 4.378–12.356). Good reproducibility of thirteen-lncRNA prognostic signature was confirmed in an external validation cohort (GSE62254) with HR 3.919 and 95% CI 2.817–5.453. Further analysis demonstrated that the prognostic significance of thirteen-lncRNA prognostic signature was independent of other clinical characteristics. Conclusions In conclusion, a simple noninvasive prognostic signature was established for preoperative prediction of disease free survival in GC patients. This prognostic signature might predict the individual mortality risk of disease free survival without pathological information and facilitate individual treatment decision-making. Electronic supplementary material The online version of this article (10.1186/s12935-019-0846-6) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Canchang Cheng
- 1Department of Internal Medicine, The Affiliated Chencun Hospital of Shunde Hospital, Southern Medical University, Shunde District, Guangdong China
| | - Qicai Wang
- 2Department of General Surgery, The Affiliated Chencun Hospital of Shunde Hospital, Southern Medical University, Shunde District, Guangdong China
| | - Minggu Zhu
- 1Department of Internal Medicine, The Affiliated Chencun Hospital of Shunde Hospital, Southern Medical University, Shunde District, Guangdong China
| | - Kelong Liu
- 2Department of General Surgery, The Affiliated Chencun Hospital of Shunde Hospital, Southern Medical University, Shunde District, Guangdong China
| | - Zhiqiao Zhang
- 1Department of Internal Medicine, The Affiliated Chencun Hospital of Shunde Hospital, Southern Medical University, Shunde District, Guangdong China
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Jiang Y, Zhao Y, Qian F, Shi Y, Hao Y, Chen J, Li P, Yu P. The long-term clinical outcomes of robotic gastrectomy for gastric cancer: a large-scale single institutional retrospective study. Am J Transl Res 2018; 10:3233-3242. [PMID: 30416664 PMCID: PMC6220210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Accepted: 09/10/2018] [Indexed: 06/09/2023]
Abstract
BACKGROUNDS AND PURPOSE Robotic surgery has been applied in gastric carcinoma over a decade. Although a series of studies were performed to investigate the short-term outcomes of robot-assisted gastrectomy, few papers were in view of long-term outcomes. The current study was aimed to explore the oncological outcomes of robotic gastrectomy for gastric cancer patients. METHODS A total of 606 gastric cancer patients who underwent robot-assisted gastrectomy during March 2010 through March 2017, were enrolled in this research. The clinicopathologic characteristics, surgical procedures along with follow-up information and prognostic factors were recorded in detail. The disease-free survival and overall survival rates were tested by Kaplan-Meier analysis. RESULTS All the patients underwent the robotic surgery including 15 proximal gastrectomies, 403 distal gastrectomies, 169 total gastrectomies and 19 remnant gastrectomies. Fifiy-six (9.24%) patients were lost in the follow-up process (3-87 months, a media of 42 months). There were 119 recurrences observed, including 55 local recurrences, 51 peritoneal metastasis and 13 distant metastasis. The 3-year disease-free survival and overall survival were 73.60% and 74.24%, while the 5-year disease-free survivorship and overall survival rates were 68.73% and 69.33%. The 5-year overall survival rates grouped based on TNM stage were 96.58% for IA, 88.16% for IB, 87.03% for IIA, 80.62% fo IIB, 58.50% for IIIA, 48.62% for IIIB, 45.32% for IIIC and 17.03% for IV. CONCLUSION Robot-assisted gastrectomy is a valuable procedure for gastric cancer patients. Beside its feasibility and safety, it reveals an acceptable long-term clinical outcome.
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Affiliation(s)
- Yuxing Jiang
- Department of General Surgery and Center of Minimal Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University Gaotanyan Street 30, Shapingba District, Chongqing 400038, China
| | - Yongliang Zhao
- Department of General Surgery and Center of Minimal Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University Gaotanyan Street 30, Shapingba District, Chongqing 400038, China
| | - Feng Qian
- Department of General Surgery and Center of Minimal Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University Gaotanyan Street 30, Shapingba District, Chongqing 400038, China
| | - Yan Shi
- Department of General Surgery and Center of Minimal Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University Gaotanyan Street 30, Shapingba District, Chongqing 400038, China
| | - Yingxue Hao
- Department of General Surgery and Center of Minimal Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University Gaotanyan Street 30, Shapingba District, Chongqing 400038, China
| | - Jun Chen
- Department of General Surgery and Center of Minimal Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University Gaotanyan Street 30, Shapingba District, Chongqing 400038, China
| | - Pingang Li
- Department of General Surgery and Center of Minimal Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University Gaotanyan Street 30, Shapingba District, Chongqing 400038, China
| | - Peiwu Yu
- Department of General Surgery and Center of Minimal Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University Gaotanyan Street 30, Shapingba District, Chongqing 400038, China
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He Z, Wang X, Huang C, Gao Y, Yang C, Zeng P, Chen Z. The FENDRR/miR-214-3P/TET2 axis affects cell malignant activity via RASSF1A methylation in gastric cancer. Am J Transl Res 2018; 10:3211-3223. [PMID: 30416662 PMCID: PMC6220211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Accepted: 09/22/2018] [Indexed: 06/09/2023]
Abstract
To explore the effect of fetal-lethal non-coding developmental regulatory RNA (FENDRR) in the initiation and progression of gastric cancer (GC). We detected the levels of FENDRR, microRNA-214-3p (miR-214-3p), and ten-eleven-translocation (TET2) in GC tissues and GC cell lines. In addition, we evaluated the location of FENDRR in GC cell lines by fluorescence in situ hybridization (FISH). Cell proliferation and apoptosis were measured by CCK-8 and Hoechst staining assays. Methylation-specific PCR assay (MSP) was used to evaluate the methylation status of ras-association domain family 1A (RASSF1A). We also observed the direct binding of miR-214-3p on FENDRR by dual-luciferase activity assay in GC cells. FENDRR and TET2 expressions were significantly down-regulated and miR-214-3p was up-regulated in gastric cancer tissues compared to adjacent unaffected tissues. In addition, RASSF1A was hypermethylated in gastric cancer tissues compared to adjacent tissues. The expressions of all the three indicators were influenced by differentiation of tumor, TNM stage of tumors, and lymph node metastasis in patients with GC. A gastric cancer cell line with low FENDRR expression compared to a high FENDRR expressing cell line showed again increased miR-214-3p expression, decreased TET2 and RASSF1A expressions, and RASSF1A hypermethylation, resulting in decreased apoptosis and increased proliferation. Furthermore, we observed a negative correlation between FENDRR and miR-214-3p in GC. The FENDRR/miR-214-3P/TET2 axis plays a critical role in GC progress via methylation of RASSF1A.
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Affiliation(s)
- Zhaocai He
- Department of General Surgery, Xiangya Hospital, Central South UniversityChangsha, China
- Department of General Surgery, Heping Hospital Affiliated to Changzhi Medical CollegeChangzhi, China
| | - Xin Wang
- Department of General Surgery, Xiangya Hospital, Central South UniversityChangsha, China
| | - Changhao Huang
- Department of General Surgery, Xiangya Hospital, Central South UniversityChangsha, China
| | - Yu Gao
- Department of General Surgery, Xiangya Hospital, Central South UniversityChangsha, China
| | - Chen Yang
- Department of General Surgery, Xiangya Hospital, Central South UniversityChangsha, China
| | - Pengwei Zeng
- Department of General Surgery, Xiangya Hospital, Central South UniversityChangsha, China
| | - Zihua Chen
- Department of General Surgery, Xiangya Hospital, Central South UniversityChangsha, China
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Dang SC, Fan YY, Cui L, Chen JX, Qu JG, Gu M. PLK1 as a potential prognostic marker of gastric cancer through MEK-ERK pathway on PDTX models. Onco Targets Ther 2018; 11:6239-6247. [PMID: 30288059 PMCID: PMC6163028 DOI: 10.2147/ott.s169880] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Background PLK1 has been identified as having a great effect on cell division and maintaining genomic stability in mitosis, spindle assembly, and DNA damage response by current studies. Materials and methods We assessed PLK1 expression in cervical cancer tissues and cells. We have also evaluated the effects of PLK1 on gastric cancer cell proliferation, migration, and apoptosis both in vitro and in vivo. Results Our results show that PLK1 is overexpressed in gastric cancer tissues and cells. Inhibition of PLK1 contributes cell cycle G2-phase arrest and inhibits the proliferation, migration, and apoptosis of gastric cancer (GC) cells, whereas its overexpression promotes proliferation, migration, and apoptosis in these cells. Moreover, PLK1 inhibition reduces expression of pMEK and pERK. More importantly, in vivo by analyzing tumorigenesis in patient-derived tumor xenograft (PDTX) models, the inhibition of PLK1 activity by BI6727 significantly decreased the volume and weight of the tumors compared with control group (P<0.01). Conclusion Our results found that PLK1 has a significant impact on the survival of GC cells; it may become a prognostic judge, a potential therapeutic target, and a preventative biomarker of GC.
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Affiliation(s)
- Sheng-Chun Dang
- Department of General Surgery, The Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, People's Republic of China
| | - Yi-Yi Fan
- Department of General Surgery, The Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, People's Republic of China
| | - Lei Cui
- Department of General Surgery, The Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, People's Republic of China
| | - Ji-Xiang Chen
- Department of General Surgery, The Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, People's Republic of China
| | - Jian-Guo Qu
- Department of General Surgery, The Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu Province, People's Republic of China
| | - Min Gu
- Zhenjiang Integrative Medicine Hospital, Zhenjiang, Jiangsu Province, People's Republic of China,
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Epidemiological and Clinical-Pathological Aspects of Helicobacter pylori Infection in Brazilian Children and Adults. Gastroenterol Res Pract 2018; 2018:8454125. [PMID: 30254670 PMCID: PMC6142780 DOI: 10.1155/2018/8454125] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Accepted: 06/10/2018] [Indexed: 12/11/2022] Open
Abstract
Aim To evaluate the prevalence and risk factors of H. pylori infection in the pediatric and adult population seen at a public hospital in São José do Rio Preto, SP, Brazil. Methods This is a retrospective study that evaluated 2406 medical records of children, adolescents, and adults with dyspeptic symptoms who underwent upper gastrointestinal endoscopy. H. pylori diagnosis and demographic and clinical-pathological features were recorded. Results A total of 852 subjects were H. pylori positive, with an overall prevalence of infection of 35.4%, occurring mainly in adults over 40 years of age, and a 24.7% prevalence considering only children and adolescents. No association was observed between H. pylori infection and risk factors. However, the H. pylori positive individuals showed a higher frequency of pangastritis (p < 0.01), severe lesions (p = <0.001), and erosive lesions (p = 0.04). The bacterium was eradicated in 83.5% (127) of the patients who received the standard therapy. Conclusions The prevalence of H. pylori detected in a public service in São José do Rio Preto, SP, Brazil, is as expected for developed countries, showing growing rates with increasing age. As H. pylori infection occurs during childhood, screening programs for detection and prevention in the pediatric population are important to reduce the prevalence of this infection in adults.
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Lin Z, Zhou Z, Guo H, He Y, Pang X, Zhang X, Liu Y, Ao X, Li P, Wang J. Long noncoding RNA gastric cancer-related lncRNA1 mediates gastric malignancy through miRNA-885-3p and cyclin-dependent kinase 4. Cell Death Dis 2018; 9:607. [PMID: 29789536 PMCID: PMC5964145 DOI: 10.1038/s41419-018-0643-5] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Revised: 04/04/2018] [Accepted: 04/12/2018] [Indexed: 01/17/2023]
Abstract
Gastric cancer (GC) is one of the most common malignancy and the third leading cancer-related death in China. Long noncoding RNAs (lncRNAs) have been implicated in numerous tumors, including GC, however, the mechanism of many functional lncRNAs is still unclear. In this study, we identified the abundantly expressed lncRNA, RP11-290F20.3, in GC cells and patient tumor tissues. We named this lncRNA as GC-related lncRNA1 (GCRL1), which could regulate gastric cell proliferation and metastasis, both in vitro and in vivo. Mechanistically, miRNA-885-3p (miR-885-3p) could inhibit the cell proliferation and metastasis in GC by negatively regulating the expression of cyclin-dependent kinase 4 (CDK4) at the post-transcriptional level. Further, GCRL1 promoted the cell proliferation and metastasis by sponging miR-885-3p and hence, positively regulating CDK4 in GC cells. Taken together, our results demonstrate a novel regulatory axis of malignant cell proliferation and invasion in GC, comprising GCRL1, miR-885-3p, and CDK4, which may serve as a potential therapeutic target in GC.
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Affiliation(s)
- Zhijuan Lin
- Center for Tumor Molecular Biology, Institute for Translational Medicine, Qingdao University, Qingdao, 266021, China.,Key Lab for Immunology in Universities of Shandong Province, School of Clinical Medicine, Weifang Medical University, Weifang, 261053, China
| | - Zhixia Zhou
- Center for Tumor Molecular Biology, Institute for Translational Medicine, Qingdao University, Qingdao, 266021, China
| | - Hang Guo
- Department of Anesthesiology, PLA Army General Hospital, Beijing, 100700, China
| | - Yuqi He
- Department of Gastroenterology, PLA Army General Hospital, Beijing, 100700, China
| | - Xin Pang
- Center for Tumor Molecular Biology, Institute for Translational Medicine, Qingdao University, Qingdao, 266021, China
| | - Xumei Zhang
- Department of Pathology, Affiliated Hospital of Weifang Medical University, Weifang, 261041, China
| | - Ying Liu
- Center for Tumor Molecular Biology, Institute for Translational Medicine, Qingdao University, Qingdao, 266021, China
| | - Xiang Ao
- Center for Tumor Molecular Biology, Institute for Translational Medicine, Qingdao University, Qingdao, 266021, China
| | - Peifeng Li
- Center for Tumor Molecular Biology, Institute for Translational Medicine, Qingdao University, Qingdao, 266021, China.
| | - Jianxun Wang
- Center for Tumor Molecular Biology, Institute for Translational Medicine, Qingdao University, Qingdao, 266021, China.
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Guo X, Fu Z, Bi Y, Zheng J, Wang L, He X, Li F, Lei X, Ren Q. [Chinese herbal medicine Euphorbia esula extract induces apoptosis and inhibits the proliferation, migration and invasion of multidrug resistant gastric carcinoma cells]. SHENG WU YI XUE GONG CHENG XUE ZA ZHI = JOURNAL OF BIOMEDICAL ENGINEERING = SHENGWU YIXUE GONGCHENGXUE ZAZHI 2018; 35:244-251. [PMID: 29745530 PMCID: PMC9935092 DOI: 10.7507/1001-5515.201609009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Indexed: 11/03/2022]
Abstract
This paper aims to study the effects of traditional Chinese medicine Euphorbia esula on multidrug resistant human gastric cancer cells in the cell proliferation, migration, invasion and apoptosis, and to study the apoptosis-inducing pathway. Different dilutions of Euphorbia esula extract were used to process human multidrug resistant gastric cancer SGC7901/ADR cells. Cell proliferation inhibition phenomenon was determined by MTT experiment. Nuclear morphological changes of apoptotic cells and apoptotic indexes were observed and determined by Hochest33528 staining followed with fluorescence microscope observing. Flow cytometry was used to detect cell apoptosis rate. Cell migration and invasion ability were observed and determined by Transwell method. Spectrophotometry was used to detect caspase-3 and caspase-9 enzyme activity. Western blotting was used to detect subcellular distribution of cytochrome c. The results showed that Euphorbia esula extract had obvious inhibition effect on proliferation of gastric cancer multidrug resistant SGC7901/ADR cells, which was time- and concentration-dependent. After processing multidrug resistant gastric cancer SGC7901/ADR cells with Euphorbia esula extract, the apoptotic index and apoptosis rate were significantly increased than those in the control group, which showed a time- and dose-dependent mode; but if a caspase inhibitor was added, apoptosis index was not obviously increased. Transwell method showed that migration and invasion ability of the Euphorbia esula extract-processed SGC7901/ADR cells dropped significantly. Spectrophotometry showed that in Euphorbia esula extract-processed SGC7901/ADR cells, caspase-3 and caspase-9 expression were increased, which had significant differences with the control group. Western blotting test showed that the distribution of cytochrome c decreased in mitochondria, while increased in the cytoplasm (i.e., cytochrome c escaped from mitochondria to the cytoplasm). In conclusion, Euphorbia esula extract could inhibit the proliferation, migration and invasion, and induce apoptosis in human gastric cancer multidrug resistant SGC7901/ADR cells; and cytochrome c, caspase-9 and caspase-3 might be involved in cell apoptosis induced by Euphorbia esula extract, suggesting endogenous or mitochondrial apoptotic pathway.
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Affiliation(s)
- Xianli Guo
- Department of Biochemistry and Molecular Biology, Yan'an University, Yan'an, Shaanxi 716000, P.R.China
| | - Zhaoying Fu
- Department of Biochemistry and Molecular Biology, Yan'an University, Yan'an, Shaanxi 716000, P.R.China;Institute of Molecular Biology and Immunology, Yan'an University, Yan'an, Shaanxi 716000, P.R.China
| | - Yun Bi
- First Affiliated Hospital, Yan'an University, Yan'an, Shaanxi 716000,
| | - Jun Zheng
- First Affiliated Hospital, Yan'an University, Yan'an, Shaanxi 716000, P.R.China
| | - Lei Wang
- First Affiliated Hospital, Yan'an University, Yan'an, Shaanxi 716000, P.R.China
| | - Xiaolong He
- First Affiliated Hospital, Yan'an University, Yan'an, Shaanxi 716000, P.R.China
| | - Fei Li
- First Affiliated Hospital, Yan'an University, Yan'an, Shaanxi 716000, P.R.China
| | - Xing Lei
- First Affiliated Hospital, Yan'an University, Yan'an, Shaanxi 716000, P.R.China
| | - Qingquan Ren
- First Affiliated Hospital, Yan'an University, Yan'an, Shaanxi 716000, P.R.China
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