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Law YY, Lee HL, Lin CL, Chen PN, Wang PH, Hsieh YH, Chen CM. Asiatic acid inhibits osteosarcoma cell migration and invasion via the AKT/Sp1/MMP1 axis. ENVIRONMENTAL TOXICOLOGY 2024; 39:3920-3929. [PMID: 38567545 DOI: 10.1002/tox.24246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Revised: 02/27/2024] [Accepted: 03/14/2024] [Indexed: 04/04/2024]
Abstract
Osteosarcoma is a malignant bone tumor affecting adolescents and children. No effective treatment is currently available. Asiatic acid (AA), a triterpenoid compound found in Centella asiatica, possesses anti-tumor, anti-inflammatory, and anti-oxidant properties in various types of tumor cells. This study aims to determine whether AA exerts antitumor effects in human osteosarcoma cells. Our results indicate that AA does not influence the viability, proliferative rate, or cell cycle phase of human osteosarcoma cells under non-toxic conditions. AA suppressed osteosarcoma cell migration and invasion by down-regulating matrix metalloproteinase 1 (MMP1) expression. Data in the TNMplot database suggested MMP1 expression was higher in osteosarcoma than in normal tissues, with associated clinical significance observed in osteosarcoma patients. Overexpression of MMP1 in osteosarcoma cells reversed the AA-induced suppression of cell migration and invasion. AA treatment decreased the expression of specificity protein 1 (Sp1), while Sp1 overexpression abolished the effect of AA on MMP1 expression and cell migration and invasion. AA inhibited AKT phosphorylation, and treatment with a PI3K inhibitor (wortmannin) increased the anti-invasive effect of AA on osteosarcoma cells via the p-AKT/Sp1/MMP1 axis. Thus, AA exhibits the potential for use as an anticancer drug against human osteosarcoma.
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Affiliation(s)
- Yat-Yin Law
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Department of Orthopedics, Chung Shan Medical University Hospital, Taichung, Taiwan
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Hsiang-Lin Lee
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Department of Surgery, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Chu-Liang Lin
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Pei-Ni Chen
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Pei-Han Wang
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Yi-Hsien Hsieh
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
- Department of Medical Research, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Chien-Min Chen
- Division of Neurosurgery, Department of Surgery, Changhua Christian Hospital, Changhua, Taiwan
- Department of Leisure Industry Management, National Chin-Yi University of Technology, Taichung, Taiwan
- Department of Biomedical Sciences, National Chung Cheng University, Chiayi, Taiwan
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2
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Xi P, Ma X, Hu F, Li L, Liu H, Zhou J, Wu W. ROS-Sp1 axis is involved in thermochemotherapy-enhanced sensitivity of pancreatic cancer cells to gemcitabine. Cell Biol Int 2023; 47:1825-1834. [PMID: 37545170 DOI: 10.1002/cbin.12073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 06/19/2023] [Accepted: 07/09/2023] [Indexed: 08/08/2023]
Abstract
Gemcitabine (GEM)-based chemotherapy represents the first choice for locally unresectable advanced pancreatic cancer, while the benefit is limited due to acquired chemoresistance or drug delivery insufficiency. Hyperthermia treatment potentially improves the clinical efficacy of GEM. However, the underlying mechanism is incompletely revealed. Our study aims to investigate the effect and involved mechanism of thermochemotherapy on cell survival. Pancreatic cancer cells PANC-1 and ASPC-1 were either treated with GEM or thermochemotherapy, then cell viability, apoptosis, migration, invasion, reactive oxygen species (ROS) production, and Sp1 expression were evaluated. The results showed that GEM dose and time-dependently affected cell viability, and 30 μM GEM achieved favorable effect in suppressing cancer cell growth. Meanwhile, hyperthermia preconditioning (43°C for 60 min) 24 h before GEM treatment yielded superior effect than other treatment sequence. GEM caused significant cell apoptosis and proapoptotic genes of both cancer cells, and thermochemotherapy further promoted apoptosis and genes transcription, accompanied by excessive ROS production. Thermochemotherapy was superior to GEM in suppressing cell migration and invasion of pancreatic cancer cells. Meanwhile, GEM significantly reduced Sp1 mRNA and protein and its downstream gene Cox-2, and thermochemotherapy further suppressed their expressions. ROS elimination with N-acetyl-l-cysteine notably neutralizes the suppressive effect of GEM and thermochemotherapy on cell growth and expressions of Sp1 and Cox-2. In conclusion, thermochemotherapy inhibited pancreatic cell viability, migration and invasion, and promoted cell apoptosis by inducing excessive ROS production, which subsequently suppressed Sp1 expression and the downstream Cox-2.
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Affiliation(s)
- Pan Xi
- Department of Radiotherapy, Shaanxi Provincial Cancer Hospital, Xi'an, China
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, China
| | - Xiaojuan Ma
- Clinical Medical Research Center, Xi'an No. 3 Hospital, Northwest University Affiliated Hospital, Xi'an, China
| | - Fuquan Hu
- College of Medicine, Bethel University, St. Paul, Minnesota, USA
| | - Liang Li
- Department of Radiotherapy, Shaanxi Provincial Cancer Hospital, Xi'an, China
| | - Huijuan Liu
- Department of Radiotherapy, Shaanxi Provincial Cancer Hospital, Xi'an, China
| | - Jing Zhou
- Department of Oncology, Shaanxi Provincial Cancer Hospital, Xi'an, China
| | - Wenan Wu
- Department of Radiotherapy, Shaanxi Provincial Cancer Hospital, Xi'an, China
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3
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Safe S. Specificity Proteins (Sp) and Cancer. Int J Mol Sci 2023; 24:5164. [PMID: 36982239 PMCID: PMC10048989 DOI: 10.3390/ijms24065164] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 03/01/2023] [Accepted: 03/03/2023] [Indexed: 03/10/2023] Open
Abstract
The specificity protein (Sp) transcription factors (TFs) Sp1, Sp2, Sp3 and Sp4 exhibit structural and functional similarities in cancer cells and extensive studies of Sp1 show that it is a negative prognostic factor for patients with multiple tumor types. In this review, the role of Sp1, Sp3 and Sp4 in the development of cancer and their regulation of pro-oncogenic factors and pathways is reviewed. In addition, interactions with non-coding RNAs and the development of agents that target Sp transcription factors are also discussed. Studies on normal cell transformation into cancer cell lines show that this transformation process is accompanied by increased levels of Sp1 in most cell models, and in the transformation of muscle cells into rhabdomyosarcoma, both Sp1 and Sp3, but not Sp4, are increased. The pro-oncogenic functions of Sp1, Sp3 and Sp4 in cancer cell lines were studied in knockdown studies where silencing of each individual Sp TF decreased cancer growth, invasion and induced apoptosis. Silencing of an individual Sp TF was not compensated for by the other two and it was concluded that Sp1, Sp3 and Sp4 are examples of non-oncogene addicted genes. This conclusion was strengthened by the results of Sp TF interactions with non-coding microRNAs and long non-coding RNAs where Sp1 contributed to pro-oncogenic functions of Sp/non-coding RNAs. There are now many examples of anticancer agents and pharmaceuticals that induce downregulation/degradation of Sp1, Sp3 and Sp4, yet clinical applications of drugs specifically targeting Sp TFs are not being used. The application of agents targeting Sp TFs in combination therapies should be considered for their potential to enhance treatment efficacy and decrease toxic side effects.
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Affiliation(s)
- Stephen Safe
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, TX 77843, USA
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Zhu J, Lu Z, Ke M, Cai X. Sp1 is overexpressed and associated with progression and poor prognosis in bladder urothelial carcinoma patients. Int Urol Nephrol 2022; 54:1505-1512. [PMID: 35467245 DOI: 10.1007/s11255-022-03212-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 04/05/2022] [Indexed: 10/18/2022]
Abstract
BACKGROUND Specificity protein 1 (Sp1) is a transcription factor that exerts key functions in the carcinogenesis and progression of various types of cancer. However, its expression and prognostic value in bladder urothelial carcinoma (BUC) have yet to be completely elucidated. METHODS The present study performed reverse transcription-quantitative polymerase chain reaction (RT-qPCR) to examine Sp1 mRNA expression in 12 pairs of urothelial carcinoma and adjacent normal bladder tissues. Immunohistochemistry (IHC) was performed in 113 paraffin-embedded urothelial carcinoma tissues to detect the expression of Sp1. Kaplan-Meier plots and Cox proportional hazards regression model were used to analyze the correlation between Sp1 expression and patient prognosis. RESULTS The mRNA expression of Sp1 was elevated in the urothelial carcinoma by RT-qPCR compared with their paired normal bladder tissues. Among 113 cases of patients with urothelial carcinoma, there were 39 low histological grade and 74 high histological grade, 61 unifocal tumor and 52 multifocal tumor, 78 cases in Ta, T1, and T2 stages, and 35 cases in T3 and T4 stages. The enhanced expression of Sp1 mRNA was observed in tumors with a high histological grade, and invasive and metastatic samples. Immunohistochemistry revealed that Sp1 high expression was significantly correlated with the histological grade, tumor stage, vascular invasion, lymph node metastasis and distant metastasis (P < 0.05). Kaplan-Meier analysis demonstrated that elevated Sp1 expression in cancer tissue was correlated with a significantly poor overall survival (OS) and disease-free survival (DFS) compared with samples with low Sp1 expression (P < 0.05). Multivariate analyses by Cox's proportional hazard model also revealed that the expression of Sp1 was an independent prognostic factor in urothelial carcinoma. CONCLUSION Sp1 expression is significantly elevated in urothelial carcinoma and may be used to identify a subset of patients with aggressive behaviors and poor clinical outcomes. Sp1 is a potential novel independent prognostic biomarker for patients with urothelial carcinoma following surgery.
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Affiliation(s)
- Jialiang Zhu
- Department of Urology, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, No. 150 Ximen Street, Taizhou, 317000, Zhejiang Province, People's Republic of China
| | - Ziwen Lu
- Department of Urology, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, No. 150 Ximen Street, Taizhou, 317000, Zhejiang Province, People's Republic of China
| | - Mang Ke
- Department of Urology, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, No. 150 Ximen Street, Taizhou, 317000, Zhejiang Province, People's Republic of China
| | - Xianguo Cai
- Department of Urology, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, No. 150 Ximen Street, Taizhou, 317000, Zhejiang Province, People's Republic of China.
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Renaldi K, Simadibrata M, Rahadiani N, Rini Handjari D, William A, Sinuraya F, Makmun D. Prognostic Value of COX-2, NF-κB, and Sp1 Tissue Expressions in Pancreatic Ductal Adenocarcinoma: A Systematic Review and Meta-analysis. THE TURKISH JOURNAL OF GASTROENTEROLOGY : THE OFFICIAL JOURNAL OF TURKISH SOCIETY OF GASTROENTEROLOGY 2021; 32:956-970. [PMID: 34872897 PMCID: PMC8975516 DOI: 10.5152/tjg.2021.211106] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 04/15/2021] [Indexed: 02/05/2023]
Abstract
BACKGROUND Pancreatic ductal adenocarcinoma (PDAC) is deadly cancer with a poor prognosis. Molecular prognostic markers are needed to predict the patient's survival. The cyclooxygenase-2 enzyme (COX-2) and its 2 major transcription factors--nuclear factorkappa B (NF-κB) and specificity protein 1 (Sp1)--are activated during inflammation caused by neoplasia. Several studies have investigated the association between the COX-2, NF-κB, and Sp1 tissue expressions with the patient's overall survival. Therefore, we conducted this systematic review and meta-analysis to evaluate those studies. METHODS We searched for relevant articles from the MEDLINE database through June 2020. Studies were eligible if they included dichotomized tissue protein expression status and the overall survival as the outcome. We used RevMan and ProMeta programs to perform the meta-analysis. RESULTS We identified 11 eligible studies. The meta-analysis showed that COX-2 tissue expression was associated with decreased overall survival (crude HR = 1.35; 95% CI, 1.05-1.74), although the result was not significant when controlling for other covariates. The NF-κB tissue expression was associated with decreased overall survival (crude HR = 2.18; 95% CI, 1.49-3.18), although it was not significant when controlling for other covariates. The Sp1 tissue expression showed significantly decreased overall survival even when adjusted with other covariates (aHR = 3.47; 95% CI, 1.52-7.94). The limitations included searching only for English publications and the substantial heterogeneity among the studies. CONCLUSION COX-2, NF-κB, and Sp1 tissue expressions have the potential to be used as prognostic markers in PDAC. Further studies are still needed to clarify the associations.
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Affiliation(s)
- Kaka Renaldi
- Division of Gastroenterology, Department of Internal Medicine, Faculty of Medicine Universitas Indonesia/Cipto Mangunkusumo National General Hospital, Jakarta, Indonesia
| | - Marcellus Simadibrata
- Division of Gastroenterology, Department of Internal Medicine, Faculty of Medicine Universitas Indonesia/Cipto Mangunkusumo National General Hospital, Jakarta, Indonesia
| | - Nur Rahadiani
- Division of Gastroenterology and Hepato Billiary Pathology, Department of Anatomical Pathology, Faculty of Medicine, Universitas Indonesia/Cipto Mangunkusumo National Referral Hospital, Jakarta, Indonesia
| | - Diah Rini Handjari
- Division of Gastroenterology and Hepato Billiary Pathology, Department of Anatomical Pathology, Faculty of Medicine, Universitas Indonesia/Cipto Mangunkusumo National Referral Hospital, Jakarta, Indonesia
| | - Andy William
- Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
| | - Fira Sinuraya
- Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
| | - Dadang Makmun
- Division of Gastroenterology, Department of Internal Medicine, Faculty of Medicine Universitas Indonesia/Cipto Mangunkusumo National General Hospital, Jakarta, Indonesia
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Safe S, Shrestha R, Mohankumar K, Howard M, Hedrick E, Abdelrahim M. Transcription factors specificity protein and nuclear receptor 4A1 in pancreatic cancer. World J Gastroenterol 2021; 27:6387-6398. [PMID: 34720529 PMCID: PMC8517783 DOI: 10.3748/wjg.v27.i38.6387] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 04/30/2021] [Accepted: 09/06/2021] [Indexed: 02/06/2023] Open
Abstract
Specificity protein (Sp) transcription factors (TFs) Sp1, Sp3 and Sp4, and the orphan nuclear receptor 4A1 (NR4A1) are highly expressed in pancreatic tumors and Sp1 is a negative prognostic factor for pancreatic cancer patient survival. Results of knockdown and overexpression of Sp1, Sp3 and Sp4 in pancreatic and other cancer lines show that these TFs are individually pro-oncogenic factors and loss of one Sp TF is not compensated by other members. NR4A1 is also a pro-oncogenic factor and both NR4A1 and Sp TFs exhibit similar functions in pancreatic cancer cells and regulate cell growth, survival, migration and invasion. There is also evidence that Sp TFs and NR4A1 regulate some of the same genes including survivin, epidermal growth factor receptor, PAX3-FOXO1, α5- and α6-integrins, β1-, β3- and β4-integrins; this is due to NR4A1 acting as a cofactor and mediating NR4A1/Sp1/4-regulated gene expression through GC-rich gene promoter sites. Several studies show that drugs targeting Sp downregulation or NR4A1 antagonists are highly effective inhibitors of Sp/NR4A1-regulated pathways and genes in pancreatic and other cancer cells, and the triterpenoid celastrol is a novel dual-acting agent that targets both Sp TFs and NR4A1.
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Affiliation(s)
- Stephen Safe
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, TX 77845, United States
| | - Rupesh Shrestha
- Department of Biochemistry and Biophysics, Texas A&M University, College Station, TX 77845, United States
| | - Kumaravel Mohankumar
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, TX 77845, United States
| | - Marcell Howard
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, TX 77845, United States
| | - Erik Hedrick
- Cancer Institute, Cleveland Clinic, Cleveland, OH 44195, United States
| | - Maen Abdelrahim
- Department of Medical Oncology, Houston Methodist Hospital Cancer Center, Houston, TX 77030, United States
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Gao Y, Gan K, Liu K, Xu B, Chen M. SP1 Expression and the Clinicopathological Features of Tumors: A Meta-Analysis and Bioinformatics Analysis. Pathol Oncol Res 2021; 27:581998. [PMID: 34257529 PMCID: PMC8262197 DOI: 10.3389/pore.2021.581998] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Accepted: 01/05/2021] [Indexed: 11/13/2022]
Abstract
Objective: Specificity protein 1 (SP1) plays a vital role to promote carcinogenesis in a variety of tumors, and its up-regulated expression is reported to be a hinter of poor prognosis of patients. We conducted this meta-analysis to elucidate the clinical significance and prognostic value of SP1 in malignant tumors. Methods: PubMed and Cochrane Library were searched for studies published between January 1, 2000 and June 1, 2020. The combined odds ratios (ORs) and hazard ratios (HRs) with 95% confidence intervals (95% CIs) were used to investigate the correlation of SP1 with clinical behaviors and prognosis in patients with solid tumors. UALCAN was used to conduct bioinformatics analysis. Results: A total of 24 documents involving 2,739 patients were enrolled in our review. The random-effect model was used to perform this analysis due to the high level of heterogeneity. SP1 low expression was not conducive to lymph node metastasis (OR = 0.42; 95% CI: 0.28-0.64; p < 0.05), progression of TNM stage (OR = 0.34; 95% CI: 0.20-0.57; p < 0.05) and tumor infiltration (OR = 0.33; 95% CI: 0.18-0.60; p < 0.05). Elevated SP1 expression was connected with shorter survival time of patients with hepatocellular carcinoma, pancreatic cancer, gastric cancer and esophageal cancer (HR = 1.95; 95% CI: 1.16-3.28; p < 0.05). According to UALCAN database, breast cancer, ovarian cancer, colon cancer and lung adenocarcinoma display an elevated SP1 expression in comparison with normal tissues. Kaplan-Meier survival plots indicate SP1 mRNA level has negative effects on prognosis of liver hepatocellular carcinoma and brain lower grade glioma. Conclusion: SP1 was associated with lymph node metastasis, TNM stage and depth of invasion, and indicated poor clinical outcome, which brought new insights on the potential candidacy of SP1 in clinical usage.
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Affiliation(s)
- Yue Gao
- Surgical Research Center, Institute of Urology, Medical School of Southeast University Nanjing, Jiangsu, China
| | - Kai Gan
- Surgical Research Center, Institute of Urology, Medical School of Southeast University Nanjing, Jiangsu, China
| | - Kuangzheng Liu
- Surgical Research Center, Institute of Urology, Medical School of Southeast University Nanjing, Jiangsu, China
| | - Bin Xu
- Department of Urology, Affiliated Zhongda Hospital of Southeast University, Nanjing, Jiangsu, China
| | - Ming Chen
- Department of Urology, Affiliated Zhongda Hospital of Southeast University, Nanjing, Jiangsu, China
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8
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Mao F, Duan H, Allamyradov A, Xin Z, Du Y, Wang X, Xu P, Li Z, Qian J, Yao J. Expression and prognostic analyses of SCAMPs in pancreatic adenocarcinoma. Aging (Albany NY) 2021; 13:4096-4114. [PMID: 33493138 PMCID: PMC7906166 DOI: 10.18632/aging.202377] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Accepted: 11/23/2020] [Indexed: 02/06/2023]
Abstract
Due to the difficulties in early diagnosis of pancreatic adenocarcinoma (PAAD), many patients fail to receive optimal therapeutic regimens. The Secretory-Carrier-Membrane-Proteins (SCAMPs) are known to be dysregulated in a range of human diseases due to their characterized roles in mammalian cell exocytosis inferred from their functions as integral membrane proteins. However, the expression and prognostic value of SCAMPs in PAAD is poorly characterized. We compared cancer vs. healthy tissue and found that the expression of SCAMPs1-4 was upregulated in PAAD compared to normal tissue. In contrast, SCAMP5 expression was downregulated in PAAD. Moreover, the expression of SCAMPs1-4 was enhanced in PAAD cell lines according to Cancer Cell Line public database. Furthermore, the HPA, GEPIA databases and immunohistochemical analysis from 238 patients suggested that the loss of SCAMP1 led to improved overall survival (OS), whilst lower SCAMP5 levels led to a poorer OS. The univariate and multivariate analysis showed that SCAMP1 and SCAMP5 expression were independent prognostic factors of PAAD. In addition, the cBioPortal for Cancer Genomics, LinkedOmics datasets, and the GEPIA were used to identify the co-expression genes of SCAMP1,5 and the correlation between SCAMPs members. We conclude that SCAMPs 1 and 5 significantly represent promising diagnosis and prognostic biomarkers.
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Affiliation(s)
- Feiyu Mao
- Clinical Medical College of Yangzhou University, Yangzhou 225001, Jiangsu Province, China
| | - Heng Duan
- The First Affiliated Hospital of Dalian Medical University, Dalian 116044, Liaoning Province, China
| | - Aly Allamyradov
- Clinical Medical College of Yangzhou University, Yangzhou 225001, Jiangsu Province, China
| | - Zechang Xin
- The First Affiliated Hospital of Dalian Medical University, Dalian 116044, Liaoning Province, China
| | - Yan Du
- The First Affiliated Hospital of Dalian Medical University, Dalian 116044, Liaoning Province, China
| | - Xiaodong Wang
- Department of Hepatobiliary and Pancreatic Surgery, Northern Jiangsu People's Hospital, Guangling Qu, Yangzhou 225001, Jiangsu Province, China
| | - Peng Xu
- Department of Hepatobiliary and Pancreatic Surgery, Northern Jiangsu People's Hospital, Guangling Qu, Yangzhou 225001, Jiangsu Province, China
| | - Zhennan Li
- Department of Hepatobiliary and Pancreatic Surgery, Northern Jiangsu People's Hospital, Guangling Qu, Yangzhou 225001, Jiangsu Province, China
| | - Jianjun Qian
- Department of Hepatobiliary and Pancreatic Surgery, Northern Jiangsu People's Hospital, Guangling Qu, Yangzhou 225001, Jiangsu Province, China
| | - Jie Yao
- Clinical Medical College of Yangzhou University, Yangzhou 225001, Jiangsu Province, China.,Department of Hepatobiliary and Pancreatic Surgery, Northern Jiangsu People's Hospital, Guangling Qu, Yangzhou 225001, Jiangsu Province, China
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Peng JL, Wu JZ, Li GJ, Wu JL, Xi YM, Li XQ, Wang L. Identification of potential biomarkers of peripheral blood mononuclear cell in hepatocellular carcinoma using bioinformatic analysis: A protocol for systematic review and meta-analysis. Medicine (Baltimore) 2021; 100:e24172. [PMID: 33466191 PMCID: PMC7808450 DOI: 10.1097/md.0000000000024172] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Accepted: 12/11/2020] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Hepatocellular carcinoma (HCC) is the cause of an overwhelming number of cancer-related deaths across the world. Developing precise and noninvasive biomarkers is critical for diagnosing HCC. Our research was designed to explore potentially useful biomarkers of host peripheral blood mononuclear cell (PBMC) in HCC by integrating comprehensive bioinformatic analysis. METHODS Gene expression data of PBMC in both healthy individuals and patients with HCC were extracted from the Gene Expression Omnibus (GEO) to identify differentially expressed genes (DEGs). The gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis were applied to annotate the function of DEGs. Protein-protein interaction analysis was performed to screen the hub genes from DEGs. cBioportal database analysis was performed to assess the prognostic significance of hub genes. The Cancer Cell Line Encyclopedia (CCLE) and The Human Protein Atlas (HPA) database analyses were performed to confirm the expression levels of the hub genes in HCC cells and tissue. RESULTS A total of 95 DEGs were screened. Results of the GO analysis revealed that DEGs were primarily involved in platelet degranulation, cytoplasm, and protein binding. Results of the KEGG analysis indicated that DEGs were primarily enriched in focal adhesion. Five genes, namely, myosin light chain kinase (MYLK), interleukin 1 beta (IL1B), phospholipase D1 (PLD1), cortactin (CTTN), and moesin (MSN), were identified as hub genes. A search in the CCLE and HPA database showed that the expression levels of these hub genes were remarkably increased in the HCC samples. Survival analysis revealed that the overexpression of MYLK, IL1B, and PLD1 may have a significant effect on HCC survival. The aberrant high expression levels of MYLK, IL1B, and PLD1 strongly indicated worse prognosis in patients with HCC. CONCLUSIONS The identified hub genes may be closely linked with HCC tumorigenicity and may act as potentially useful biomarkers for the prognostic prediction of HCC in PBMC samples.
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Affiliation(s)
- Jin-lin Peng
- Department of Infectious Disease, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, Nanning, Guangxi
| | - Ji-zhou Wu
- Department of Infectious Disease, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, Nanning, Guangxi
| | - Guo-jian Li
- Department of Infectious Disease, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, Nanning, Guangxi
| | - Jian-lin Wu
- Department of Infectious Disease, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, Nanning, Guangxi
| | - Yu-mei Xi
- Department of Infectious Disease, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, Nanning, Guangxi
| | - Xiao-qing Li
- Department of Infectious Disease, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, Nanning, Guangxi
| | - Lei Wang
- College of Health and Rehabilitation, Chengdu University of Chinese Medicine, Chengdu, Sichuan, PR China
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Qian X, Chen Z, Chen SS, Liu LM, Zhang AQ. Integrated Analyses Identify Immune-Related Signature Associated with Qingyihuaji Formula for Treatment of Pancreatic Ductal Adenocarcinoma Using Network Pharmacology and Weighted Gene Co-Expression Network. J Immunol Res 2020; 2020:7503605. [PMID: 32537471 PMCID: PMC7256764 DOI: 10.1155/2020/7503605] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 04/15/2020] [Indexed: 02/06/2023] Open
Abstract
The study aimed to clarify the potential immune-related targets and mechanisms of Qingyihuaji Formula (QYHJ) against pancreatic cancer (PC) through network pharmacology and weighted gene co-expression network analysis (WGCNA). Active ingredients of herbs in QYHJ were identified by the TCMSP database. Then, the putative targets of active ingredients were predicted with SwissTargetPrediction and the STITCH databases. The expression profiles of GSE32676 were downloaded from the GEO database. WGCNA was used to identify the co-expression modules. Besides, the putative targets, immune-related targets, and the critical module genes were mapped with the specific disease to select the overlapped genes (OGEs). Functional enrichment analysis of putative targets and OGEs was conducted. The overall survival (OS) analysis of OGEs was investigated using the Kaplan-Meier plotter. The relative expression and methylation levels of OGEs were detected in UALCAN, human protein atlas (HPA), Oncomine, DiseaseMeth version 2.0 and, MEXPRESS database, respectively. Gene set enrichment analysis (GSEA) was conducted to elucidate the key pathways of highly-expressed OGEs further. OS analyses found that 12 up-regulated OGEs, including CDK1, PLD1, MET, F2RL1, XDH, NEK2, TOP2A, NQO1, CCND1, PTK6, CTSE, and ERBB2 that could be utilized as potential diagnostic indicators for PC. Further, methylation analyses suggested that the abnormal up-regulation of these OGEs probably resulted from hypomethylation, and GSEA revealed the genes markedly related to cell cycle and proliferation of PC. This study identified CDK1, PLD1, MET, F2RL1, XDH, NEK2, TOP2A, NQO1, CCND1, PTK6, CTSE, and ERBB2 might be used as reliable immune-related biomarkers for prognosis of PC, which may be essential immunotherapies targets of QYHJ.
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Affiliation(s)
- Xiang Qian
- Institute of Cancer and Basic Medicine (ICBM), Chinese Academy of Sciences, Hangzhou, China
- Cancer Hospital of the University of Chinese Academy of Sciences, Hangzhou, China
- Zhejiang Cancer Hospital, Hangzhou, China
| | - Zhuo Chen
- Institute of Cancer and Basic Medicine (ICBM), Chinese Academy of Sciences, Hangzhou, China
- Cancer Hospital of the University of Chinese Academy of Sciences, Hangzhou, China
- Zhejiang Cancer Hospital, Hangzhou, China
| | - Sha Sha Chen
- Department of Traditional Chinese Medicine, Taizhou Cancer Hospital, Zhejiang, China
| | - Lu Ming Liu
- Department of Integrative Oncology, Fudan University Shanghai Cancer Center, China
| | - Ai Qin Zhang
- Institute of Cancer and Basic Medicine (ICBM), Chinese Academy of Sciences, Hangzhou, China
- Cancer Hospital of the University of Chinese Academy of Sciences, Hangzhou, China
- Zhejiang Cancer Hospital, Hangzhou, China
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11
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Shi Y, Liu M, Huang Y, Zhang J, Yin L. Promotion of cell autophagy and apoptosis in cervical cancer by inhibition of long noncoding RNA LINC00511 via transcription factor RXRA-regulated PLD1. J Cell Physiol 2020; 235:6592-6604. [PMID: 32067228 DOI: 10.1002/jcp.29529] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2019] [Accepted: 01/09/2020] [Indexed: 12/13/2022]
Abstract
An increasing number of studies have explored the relationship of long noncoding RNAs (lncRNAs) with cervical cancer, yet the role of LINC00511 in cervical cancer still remains elusive. The current dissertation was intended to explore the effect of LINC00511 on cervical cancer development by regulating phospholipase D1 (PLD1) expression through transcription factor retinoic X receptor alpha (RXRA). Differentially expressed lncRNA and messenger RNA related to cervical cancer were screened by microarray-based expression profiling. Cervical cancer and paracancerous tissues were harvested to determine the LINC00511 expression using reverse transcription-quantitative polymerase chain reaction and western blot analysis. The relationship among LINC00511, PLD1 promoter activity, and RXRA were determined via RNA immunoprecipitation, chromatin immunoprecipitation, and dual-luciferase reporter assays. Proliferation, autophagy, and apoptosis of cervical cancer cells were detected with a series of experiments. Tumor xenograft in nude mice was employed to determine the influence of LINC00511 and PLD1 on tumor formation and growth of cervical cancer in vivo. LINC00511 might influence the occurrence of cervical cancer by upregulating PLD1 expression via recruiting transcription factor RXRA. LINC00511 and PLD1 expressions were remarkably high in cervical cancer tissues and cells. LINC00511 combined with RXRA, and overexpression of LINC00511 in cervical cancer cells elevated PLD1 expression. Si-LINC00511, si-RXRA or si-PLD1 triggered repression of proliferation and promotion of autophagy and apoptosis of cervical cancer cells. In vivo experiment, si-LINC00511, or si-PLD1 inhibited the tumorigenic ability of nude mice. Collectively, this study suggests that LINC00511 acts as an oncogenic lncRNA in cervical cancer via the promotion of transcription factor RXRA-regulated PLD1.
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Affiliation(s)
- Yangyang Shi
- Department of Obstetrics and Gynecology, Peking University First Hospital, Beijing, China
| | - Mengran Liu
- Department of Obstetrics and Gynecology, Peking University First Hospital, Beijing, China
| | - Yan Huang
- Department of Obstetrics and Gynecology, Peking University First Hospital, Beijing, China
| | - Jing Zhang
- Department of Obstetrics and Gynecology, Peking University First Hospital, Beijing, China
| | - Ling Yin
- Department of Obstetrics and Gynecology, Peking University First Hospital, Beijing, China
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12
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Abstract
Functions for phospholipase D1 and D2 (PLD1 and PLD2), the canonical isoforms of the PLD superfamily in mammals, have been explored using cell biological and animal disease models for two decades. PLD1 and PLD2, which are activated as a consequence of extracellular signaling events and generate the second messenger signaling lipid phosphatidic acid (PA), have been reported to play roles in settings ranging from platelet activation to the response to cardiac ischemia, viral infection, neurodegenerative disease, and cancer. Of these, the most tractable as therapeutic targets may be thrombotic disease and cancer, as will be discussed here in the context of ongoing efforts to develop small molecule PLD inhibitors.
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Affiliation(s)
- Christian Salazar
- Center for Developmental Genetics and the Department of Pharmacological Sciences, Stony Brook University School of Medicine, Stony Brook, NY, USA
| | - Michael A Frohman
- Center for Developmental Genetics and the Department of Pharmacological Sciences, Stony Brook University School of Medicine, Stony Brook, NY, USA.
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13
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Hu X, Lin J, Jiang M, He X, Wang K, Wang W, Hu C, Shen Z, He Z, Lin H, Wu D, Wang M. HIF-1α Promotes the Metastasis of Esophageal Squamous Cell Carcinoma by Targeting SP1. J Cancer 2020; 11:229-240. [PMID: 31892989 PMCID: PMC6930417 DOI: 10.7150/jca.35537] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Accepted: 09/08/2019] [Indexed: 02/07/2023] Open
Abstract
Background: In microenvironment of malignant tumors, Hypoxia-Inducible Factors (HIF), most importantly HIF-1α, play an important role in regulation of adaptive biological response to hypoxia, promoting angiogenesis and metastasis. However, the underlying mechanism that HIF-1α regulates metastasis needs to be further clarified. Methods: The expressions of HIF-1α and SP1 were detected in 182 samples of esophageal squamous cell carcinoma (ESCC) and adjacent normal tissues by immunohistochemistry (IHC), and the correlation between the expression levels of HIF-1α and SP1 was analyzed. The expression of HIF-1α in ESCC cell lines TE1 and KYSE30 was then detected using qRT-PCR and western blot. The potential binding sites of HIF-1α on the SP1 promoter were analyzed using UCSC and JASPAR databases, verified by chromosomal immunoprecipitation (ChIP) assay and qRT-PCR. The effects of HIF-1α and SP1 on ESCC cell migration and invasion were then tested with Transwell and Matrigel experiments. Results: The expression of HIF-1α in cancer tissues is higher than adjacent normal tissues, and is correlated with metastasis, recurrence and poor prognosis. Upon silencing HIF-1α by siRNA, the invasion and migration ability of ESCC cells were significantly inhibited, which could be restored by the overexpression of SP1. Hypoxic conditions significantly increased the expression of HIF-1α and SP1 at both protein and mRNA levels in ESCC cells. HIF-1α enhanced SP1 transcription through binding to the promoter region. The expression of protein and mRNA levels of SP1 was decreased by silencing HIF-1α in cells. In contrast, overexpression of HIF-1α significantly increased the mRNA and protein levels of SP1. The expression of SP1 in ESCC was positively correlated with the protein expression of HIF-1α and poor prognosis. Conclusion: The results of our study indicate that HIF-1α promotes metastasis of ESCC by targeting SP1 in a hypoxic microenvironment. Further study on this mechanism may elucidate the possibility of HIF-1α and SP1 as new targets for the treatment of ESCC.
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Affiliation(s)
- Xueting Hu
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China 510120.,Department of Thoracic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China 510120
| | - Jiatong Lin
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China 510120.,Department of Thoracic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China 510120
| | - Ming Jiang
- Department of Thoracic Surgery, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, China 510120
| | - Xiaotian He
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China 510120.,Department of Thoracic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China 510120
| | - Kefeng Wang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China 510120.,Department of Thoracic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China 510120
| | - Wenjian Wang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China 510120.,Department of Thoracic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China 510120
| | - Chuwen Hu
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China 510120.,Department of Thoracic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China 510120
| | - Zhiwen Shen
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China 510120.,Department of Thoracic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China 510120
| | - Zhanghai He
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China 510120.,Department of Thoracic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China 510120
| | - Huayue Lin
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China 510120.,Breast Tumor Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China 510120
| | - Duoguang Wu
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China 510120.,Department of Thoracic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China 510120
| | - Minghui Wang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China 510120.,Department of Thoracic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China 510120
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14
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Hu L, Chen Q, Wang Y, Zhang N, Meng P, Liu T, Bu Y. Sp1 Mediates the Constitutive Expression and Repression of the PDSS2 Gene in Lung Cancer Cells. Genes (Basel) 2019; 10:E977. [PMID: 31783675 PMCID: PMC6947312 DOI: 10.3390/genes10120977] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 11/14/2019] [Accepted: 11/19/2019] [Indexed: 01/29/2023] Open
Abstract
Prenyl diphosphate synthase subunit 2 (PDSS2) is the first key enzyme in the CoQ10 biosynthesis pathway, and contributes to various metabolic and nephritic diseases. It has been reported that PDSS2 is downregulated in several types of tumors and acts as a potential tumor suppressor gene to inhibit the proliferation and migration of cancer cells. However, the regulatory mechanism of PDSS2 expression remains elusive. In the present study, we first identified and characterized the PDSS2 promoter region. We established four different luciferase reporter constructs which mainly cover the 2 kb region upstream of the PDSS2 gene transcription initiation site. Series luciferase reporter assay demonstrated that all four constructs have prominent promoter activity, and the core promoter of PDSS2 is mainly located within the 202 bp region near its transcription initiation site. Transcription factor binding site analysis revealed that the PDSS2 promoter contains binding sites for canonical transcription factors such as Sp1 and GATA-1. Overexpression of Sp1 significantly inhibited PDSS2 promoter activity, as well as its endogenous expression, at both mRNA and protein levels in lung cancer cells. Site-directed mutagenesis assay further confirmed that the Sp1 binding sites are essential for proximal prompter activity of PDSS2. Consistently, a selective Sp1 inhibitor, mithramycin A, treatment repressed the PDSS2 promoter activity, as well as its endogenous expression. Chromatin immunoprecipitation (ChIP) assay revealed that Sp1 binds to the PDSS2 promoter in vivo. Of note, the expression of Sp1 and PDSS2 are negatively correlated, and higher Sp1 expression with low PDSS2 expression is significantly associated with poor prognosis in lung cancer. Taken together, our results strongly suggest the essential role of Sp1 in maintaining the basic constitutive expression of PDSS2, and the pathogenic implication of Sp1-mediated PDSS2 transcriptional repression in lung cancer cells.
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Affiliation(s)
- Lanyue Hu
- Department of Biochemistry and Molecular Biology, Chongqing Medical University, Chongqing 400016, China; (L.H.); (Q.C.); (Y.W.); (N.Z.); (P.M.); (T.L.)
- Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing 400016, China
| | - Quanmei Chen
- Department of Biochemistry and Molecular Biology, Chongqing Medical University, Chongqing 400016, China; (L.H.); (Q.C.); (Y.W.); (N.Z.); (P.M.); (T.L.)
- Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing 400016, China
| | - Yitao Wang
- Department of Biochemistry and Molecular Biology, Chongqing Medical University, Chongqing 400016, China; (L.H.); (Q.C.); (Y.W.); (N.Z.); (P.M.); (T.L.)
- Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing 400016, China
| | - Na Zhang
- Department of Biochemistry and Molecular Biology, Chongqing Medical University, Chongqing 400016, China; (L.H.); (Q.C.); (Y.W.); (N.Z.); (P.M.); (T.L.)
- Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing 400016, China
| | - Peixin Meng
- Department of Biochemistry and Molecular Biology, Chongqing Medical University, Chongqing 400016, China; (L.H.); (Q.C.); (Y.W.); (N.Z.); (P.M.); (T.L.)
- Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing 400016, China
| | - Tong Liu
- Department of Biochemistry and Molecular Biology, Chongqing Medical University, Chongqing 400016, China; (L.H.); (Q.C.); (Y.W.); (N.Z.); (P.M.); (T.L.)
- Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing 400016, China
| | - Youquan Bu
- Department of Biochemistry and Molecular Biology, Chongqing Medical University, Chongqing 400016, China; (L.H.); (Q.C.); (Y.W.); (N.Z.); (P.M.); (T.L.)
- Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing 400016, China
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15
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Tan FH, Bai Y, Saintigny P, Darido C. mTOR Signalling in Head and Neck Cancer: Heads Up. Cells 2019; 8:cells8040333. [PMID: 30970654 PMCID: PMC6523933 DOI: 10.3390/cells8040333] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2019] [Revised: 04/08/2019] [Accepted: 04/09/2019] [Indexed: 02/07/2023] Open
Abstract
The mammalian target of rapamycin (mTOR) signalling pathway is a central regulator of metabolism in all cells. It senses intracellular and extracellular signals and nutrient levels, and coordinates the metabolic requirements for cell growth, survival, and proliferation. Genetic alterations that deregulate mTOR signalling lead to metabolic reprogramming, resulting in the development of several cancers including those of the head and neck. Gain-of-function mutations in EGFR, PIK3CA, and HRAS, or loss-of-function in p53 and PTEN are often associated with mTOR hyperactivation, whereas mutations identified from The Cancer Genome Atlas (TCGA) dataset that potentially lead to aberrant mTOR signalling are found in the EIF4G1, PLD1, RAC1, and SZT2 genes. In this review, we discuss how these mutant genes could affect mTOR signalling and highlight their impact on metabolic processes, as well as suggest potential targets for therapeutic intervention, primarily in head and neck cancer.
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Affiliation(s)
- Fiona H Tan
- Division of Cancer Research, Peter MacCallum Cancer Centre, Grattan Street, Melbourne, Victoria 3000, Australia.
| | - Yuchen Bai
- Division of Cancer Research, Peter MacCallum Cancer Centre, Grattan Street, Melbourne, Victoria 3000, Australia.
| | - Pierre Saintigny
- Univ Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de recherche en cancérologie de Lyon, 69008 Lyon, France.
- Department of Medical Oncology, Centre Léon Bérard, 69008 Lyon, France.
| | - Charbel Darido
- Division of Cancer Research, Peter MacCallum Cancer Centre, Grattan Street, Melbourne, Victoria 3000, Australia.
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, Victoria 3052, Australia.
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16
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Safe S, Abbruzzese J, Abdelrahim M, Hedrick E. Specificity Protein Transcription Factors and Cancer: Opportunities for Drug Development. Cancer Prev Res (Phila) 2018; 11:371-382. [PMID: 29545399 DOI: 10.1158/1940-6207.capr-17-0407] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Revised: 02/14/2018] [Accepted: 02/28/2018] [Indexed: 02/06/2023]
Abstract
Specificity protein (Sp) transcription factors (TFs) such as Sp1 are critical for early development but their expression decreases with age and there is evidence that transformation of normal cells to cancer cells is associated with upregulation of Sp1, Sp3, and Sp4, which are highly expressed in cancer cells and tumors. Sp1 is a negative prognostic factor for pancreatic, colon, glioma, gastric, breast, prostate, and lung cancer patients. Functional studies also demonstrate that Sp TFs regulate genes responsible for cancer cell growth, survival, migration/invasion, inflammation and drug resistance, and Sp1, Sp3 and Sp4 are also nononcogene addiction (NOA) genes and important drug targets. The mechanisms of drug-induced downregulation of Sp TFs and pro-oncogenic Sp-regulated genes are complex and include ROS-dependent epigenetic pathways that initially decrease expression of the oncogene cMyc. Many compounds such as curcumin, aspirin, and metformin that are active in cancer prevention also exhibit chemotherapeutic activity and these compounds downregulate Sp TFs in cancer cell lines and tumors. The effects of these compounds on downregulation of Sp TFs in normal cells and the contribution of this response to their chemopreventive activity have not yet been determined. Cancer Prev Res; 11(7); 371-82. ©2018 AACR.
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Affiliation(s)
- Stephen Safe
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, Texas.
| | - James Abbruzzese
- Department of Medicine, Division of Oncology, Duke University School of Medicine, Durham, North Carolina
| | - Maen Abdelrahim
- GI Medical Oncology, Cockrell Center for Advanced Therapeutics, Houston Methodist Cancer Center and Institute of Academic Medicine, Houston, Texas
| | - Erik Hedrick
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, Texas
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17
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Naqvi AAT, Hasan GM, Hassan MI. Investigating the role of transcription factors of pancreas development in pancreatic cancer. Pancreatology 2018; 18:184-190. [PMID: 29289465 DOI: 10.1016/j.pan.2017.12.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Revised: 11/20/2017] [Accepted: 12/22/2017] [Indexed: 02/08/2023]
Abstract
Pancreatic cancer (PC) is the seventh most common cause of cancer-related deaths worldwide that kills more than 300,000 people every year. Prognosis of PC is very poor with a five-year survival rate about 5%. The most common and highly observed type of PC is pancreatic ductal adenocarcinoma (PDAC). It is preceded by the progression of precursor lesions such as Pancreatic Intraepithelial Neoplasia (PanIN), Intraductal Papillary Neoplasm (IPMN) and Mucinous Cystic Neoplasm (MCN). PanIN is the most common among these premalignant lesions. Genes orchestrating the origin and differentiation of cells during organogenesis have the tendency to produce tumor cells in response to activating or inactivating mutations. Based on the following premise, we discuss the role of transcription factors (TFs) of pancreas development and cell fate differentiation in PC. Pancreas/duodenum homeobox protein 1 (PDX1), Pancreas transcription factor 1 subunit alpha (PTF1A), Nuclear receptor subfamily 5 group A member 2 (NR5A2), Hepatocyte nuclear factor 1-alpha (HNF1A) and Hepatocyte nuclear factor 1-beta (HNF1B) play vital role in the development and differentiation of pancreatic precursor cells. Mutated KRAS induces abnormalities in the regular function of these TFs which in turn cause abnormal cell growth and proliferation that leads to cancer. Thus, these TFs are highly susceptible for the origin of PC. Therefore, we propose that these TFs can be treated as therapeutic targets for the development of anticancer drugs.
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Affiliation(s)
- Ahmad Abu Turab Naqvi
- Center for Interdisciplinary Research in Basic Science, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110025, India
| | - Gulam Mustafa Hasan
- Department of Biochemistry, College of Medicine, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Md Imtaiyaz Hassan
- Center for Interdisciplinary Research in Basic Science, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110025, India.
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18
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Karki K, Hedrick E, Kasiappan R, Jin UH, Safe S. Piperlongumine Induces Reactive Oxygen Species (ROS)-Dependent Downregulation of Specificity Protein Transcription Factors. Cancer Prev Res (Phila) 2017; 10:467-477. [PMID: 28673967 PMCID: PMC6357769 DOI: 10.1158/1940-6207.capr-17-0053] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Revised: 05/19/2017] [Accepted: 06/20/2017] [Indexed: 01/08/2023]
Abstract
Piperlongumine is a natural product found in the plant species Piper longum, and this compound exhibits potent anticancer activity in multiple tumor types and has been characterized as an inducer of reactive oxygen species (ROS). Treatment of Panc1 and L3.6pL pancreatic, A549 lung, 786-O kidney, and SKBR3 breast cancer cell lines with 5 to 15 μmol/L piperlongumine inhibited cell proliferation and induced apoptosis and ROS, and these responses were attenuated after cotreatment with the antioxidant glutathione. Piperlongumine also downregulated expression of Sp1, Sp3, Sp4, and several pro-oncogenic Sp-regulated genes, including cyclin D1, survivin, cMyc, EGFR and hepatocyte growth factor receptor (cMet), and these responses were also attenuated after cotreatment with glutathione. Mechanistic studies in Panc1 cells showed that piperlongumine-induced ROS decreased expression of cMyc via an epigenetic pathway, and this resulted in downregulation of cMyc-regulated miRNAs miR-27a, miR-20a, and miR-17 and induction of the transcriptional repressors ZBTB10 and ZBTB4. These repressors target GC-rich Sp-binding sites to decrease transactivation. This pathway observed for piperlongumine in Panc1 cells has previously been reported for other ROS-inducing anticancer agents and shows that an important underlying mechanism of action of piperlongumine is due to downregulation of Sp1, Sp3, Sp4, and pro-oncogenic Sp-regulated genes. Cancer Prev Res; 10(8); 467-77. ©2017 AACR.
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Affiliation(s)
- Keshav Karki
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, Texas
| | - Erik Hedrick
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, Texas
| | - Ravi Kasiappan
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, Texas
| | - Un-Ho Jin
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, Texas
| | - Stephen Safe
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, Texas.
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19
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Shelake S, Sankpal UT, Paul Bowman W, Wise M, Ray A, Basha R. Targeting specificity protein 1 transcription factor and survivin using tolfenamic acid for inhibiting Ewing sarcoma cell growth. Invest New Drugs 2017; 35:158-165. [PMID: 28025760 DOI: 10.1007/s10637-016-0417-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Accepted: 12/12/2016] [Indexed: 12/21/2022]
Abstract
Transcription factor Specificity protein 1 (Sp1) and its downstream target survivin (inhibitor of apoptosis protein), play major roles in the pathogenesis of various cancers. Ewing Sarcoma (ES) is a common soft tissue/bone tumor in adolescent and young adults. Overexpression of survivin is also linked to the aggressiveness and poor prognosis of ES. Small molecule Tolfenamic acid (TA) inhibits Sp1 and survivin in cancer cells. In this investigation, we demonstrate a strategy to target Sp1 and survivin using TA and positive control Mithramycin A (Mit) to inhibit ES cell growth. Knock down of Sp1 using small interfering RNA (siRNA) resulted in significant (p < 0.05) inhibition of CHLA-9 and TC-32 cell growth as assessed by CellTiter-Glo assay kit. TA or Mit treatment caused dose/time-dependent inhibition of cell viability, and this inhibition was correlated with a decrease in Sp1 and survivin protein levels in ES cells. Quantitative PCR results showed that Mit treatment decreased the mRNA expression of both survivin and Sp1, whereas TA diminished only survivin but not Sp1. Proteasome inhibitor restored TA-induced inhibition of Sp1 protein expression suggesting that TA might cause proteasome-dependent degradation. Gel shift assay using ES cell nuclear extract and biotinylated Sp1 consensus oligonucleotides confirmed that both TA and Mit decreased DNA-binding activity of Sp1. These results demonstrate that both Mit and TA reduce expression of Sp1 and survivin, disrupt Sp1 DNA-binding and inhibit ES cell proliferation. This investigation suggests that targeting Sp1 and survivin could be an effective strategy for inhibiting ES cell growth.
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Affiliation(s)
- Sagar Shelake
- Department of Pediatrics, University of North Texas Health Science Center, 3500 Camp Bowie Blvd, Fort Worth, TX, 76107, USA
| | - Umesh T Sankpal
- Department of Pediatrics, University of North Texas Health Science Center, 3500 Camp Bowie Blvd, Fort Worth, TX, 76107, USA
- Texas College of Osteopathic Medicine, University of North Texas Health Science Center, 3500 Camp Bowie Blvd, Fort Worth, TX, 76107, USA
| | - W Paul Bowman
- Department of Pediatrics, University of North Texas Health Science Center, 3500 Camp Bowie Blvd, Fort Worth, TX, 76107, USA
- Texas College of Osteopathic Medicine, University of North Texas Health Science Center, 3500 Camp Bowie Blvd, Fort Worth, TX, 76107, USA
- Hematology and Oncology, Cook Children's Medical Center, Fort Worth, TX, 76104, USA
| | - Matthew Wise
- Texas College of Osteopathic Medicine, University of North Texas Health Science Center, 3500 Camp Bowie Blvd, Fort Worth, TX, 76107, USA
| | - Anish Ray
- Hematology and Oncology, Cook Children's Medical Center, Fort Worth, TX, 76104, USA.
| | - Riyaz Basha
- Department of Pediatrics, University of North Texas Health Science Center, 3500 Camp Bowie Blvd, Fort Worth, TX, 76107, USA.
- Texas College of Osteopathic Medicine, University of North Texas Health Science Center, 3500 Camp Bowie Blvd, Fort Worth, TX, 76107, USA.
- Hematology and Oncology, Cook Children's Medical Center, Fort Worth, TX, 76104, USA.
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20
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Rauf A, Ali S, Khan MT, Asad-ur-Rahman, Ahmad S. The Expanding Role of Sp1 in Pancreatic Cancer: Tumorigenic and Clinical Perspectives. ROLE OF TRANSCRIPTION FACTORS IN GASTROINTESTINAL MALIGNANCIES 2017:391-402. [DOI: 10.1007/978-981-10-6728-0_29] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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