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Kato S, Koshino A, Lasota J, Komura M, Wang C, Ebi M, Ogasawara N, Kojima K, Tsuzuki T, Kasai K, Takahashi S, Miettinen M, Kasugai K, Inaguma S. Use of SATB2 and CDX2 Immunohistochemistry to Characterize and Diagnose Colorectal Cancer. Appl Immunohistochem Mol Morphol 2024:00129039-990000000-00186. [PMID: 39076030 DOI: 10.1097/pai.0000000000001216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2024] [Accepted: 06/25/2024] [Indexed: 07/31/2024]
Abstract
SATB2 has been reported to be highly specific for lower gastrointestinal tract tumors. On the basis of its ileum-colon conversion effects, which involve the activation of colonic genes in cooperation with CDX2 and HNF4A, we hypothesized that SATB2 and CDX2 might define the characteristics of colorectal cancers (CRCs). In the present study, the clinicopathologic and immunohistochemical characteristics of 269 CRCs were analyzed according to SATB2 and CDX2 expression. CRCs with SATB2- and/or CDX2- phenotypes showed associations with poorly differentiated histotypes (P<0.00001), mucus production (P=0.0019), and mismatch repair-deficient phenotypes (P<0.00001). SATB2-/CDX2- CRCs were significantly associated with CK20-negativity, with or without CK7 expression (P<0.00001), as well as with MUC5AC-positivity (P<0.00001), and CD10-negativity (P=0.00047). Negativity for SATB2 or CDX2 was associated with the expression of PD-L1 in both all CRC (P<0.00001) and mismatch repair-proficient CRC (P=0.000091). Multivariate Cox hazard regression analysis identified negativity for SATB2 and/or CDX2 as potential independent risk factors for patients with CRC. Regarding the diagnostic utility of SATB2, all of the 44 CRC metastases could be diagnosed as colorectal in origin if the immunohistochemical phenotypes (including CK7, CK20, and p53) of the primary lesions and patient history were considered. Among the other 684 tumors, we were unable to distinguish a case of CK7-/CK20+/CDX2+/SATB2+ ovarian mucinous cystadenocarcinoma from metastatic CRC without the patient history and clinical information.
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Affiliation(s)
- Shunsuke Kato
- Department of Internal Medicine, Division of Gastroenterology
| | - Akira Koshino
- Department of Internal Medicine, Division of Gastroenterology
| | - Jerzy Lasota
- Laboratory of Pathology, National Cancer Institute, Bethesda, MD
| | - Masayuki Komura
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences
| | - Chengbo Wang
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences
| | - Masahide Ebi
- Department of Internal Medicine, Division of Gastroenterology
| | | | | | | | - Kenji Kasai
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Satoru Takahashi
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences
| | - Markku Miettinen
- Laboratory of Pathology, National Cancer Institute, Bethesda, MD
| | - Kunio Kasugai
- Department of Internal Medicine, Division of Gastroenterology
| | - Shingo Inaguma
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Japan
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences
- Pathology, Nagoya City University East Medical Center, Nagoya, Japan
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Wang T, Jin Y, Wang M, Chen B, Sun J, Zhang J, Yang H, Deng X, Cao X, Wang L, Tang Y. SALL4 in gastrointestinal tract cancers: upstream and downstream regulatory mechanisms. Mol Med 2024; 30:46. [PMID: 38584262 PMCID: PMC11000312 DOI: 10.1186/s10020-024-00812-z] [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: 07/18/2023] [Accepted: 03/20/2024] [Indexed: 04/09/2024] Open
Abstract
Effective therapeutic targets and early diagnosis are major challenges in the treatment of gastrointestinal tract (GIT) cancers. SALL4 is a well-known transcription factor that is involved in organogenesis during embryonic development. Previous studies have revealed that SALL4 regulates cell proliferation, survival, and migration and maintains stem cell function in mature cells. Additionally, SALL4 overexpression is associated with tumorigenesis. Despite its characterization as a biomarker in various cancers, the role of SALL4 in GIT cancers and the underlying mechanisms are unclear. We describe the functions of SALL4 in GIT cancers and discuss its upstream/downstream genes and pathways associated with each cancer. We also consider the possibility of targeting these genes or pathways as potential therapeutic options for GIT cancers.
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Affiliation(s)
- Tairan Wang
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453003, China
| | - Yan Jin
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453003, China
| | - Mengyao Wang
- First Clinical Medical College, Xinxiang Medical University, Xinxiang, 453003, China
| | - Boya Chen
- First Clinical Medical College, Xinxiang Medical University, Xinxiang, 453003, China
| | - Jinyu Sun
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453003, China
| | - Jiaying Zhang
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453003, China
| | - Hui Yang
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453003, China
| | - Xinyao Deng
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453003, China
| | - Xingyue Cao
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453003, China
| | - Lidong Wang
- State Key Laboratory of Esophageal Cancer Prevention & Treatment and Henan Key, Laboratory for Esophageal Cancer Research of The First Affiliated Hospital, Zhengzhou University, Zhengzhou, 450052, China.
| | - Yuanyuan Tang
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453003, China.
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Jiang Y, Tang Y. SALL4 advances the proliferation and tumor cell stemness of colon cancer cells through the transcription and regulation of ROBO2. NUCLEOSIDES, NUCLEOTIDES & NUCLEIC ACIDS 2023; 43:249-263. [PMID: 37660281 DOI: 10.1080/15257770.2023.2253279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 08/24/2023] [Indexed: 09/04/2023]
Abstract
SALL4 is a transcription factor highly expressed in diverse cancers and is implicated in the development of cancer. SALL4 has been implied to play a cancer-promoting role in colon cancer (CC), but the molecular mechanism remains unclear. Chromatin immunoprecipitation assay and dual-luciferase assay were conducted to verify the binding relationship of SALL4 and ROBO2. qRT-PCR detected the mRNA expression levels of SALL4 and ROBO2, and the flow cytometry analyzed the cell cycle distribution. Western blot examined SALL4 expression, and cell cycle/cell stemness-related proteins. The impact of SALL4 and ROBO2 on the proliferation capacity of cells and tumor cell stemness was elucidated by MTT, colony formation, and sphere-forming assays. SALL4 and ROBO2 were up-regulated in CC, and SALL4 could activate the transcription of ROBO2. Down-regulated SALL4 was able to significantly restrain the proliferation capacity of CC cells and arrest the cell cycle in G0/G1 phase by repressing the expression of cyclin B, cyclin E, and cyclin D1. Besides, the rescue assay results indicated that up-regulated ROBO2 could reverse the repressive impact of down-regulated SALL4 on the proliferation of CC cells and accelerate the progression of the cell cycle, thus promoting the sphere-forming of tumor stem cells. SALL4 advanced the proliferation of CC and cell stemness through direct activation of ROBO2 expression, implied the novel mechanism of SALL4 in CC, and pointed out that SALL4/ROBO2 axis was likely to be a potential target for clinical treatment of CC.
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Affiliation(s)
- Yahui Jiang
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yunhao Tang
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
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4
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Song Z, Liao C, Yao L, Xu X, Shen X, Tian S, Wang S, Xing F. miR-219-5p attenuates cisplatin resistance of ovarian cancer by inactivating Wnt/β-catenin signaling and autophagy via targeting HMGA2. Cancer Gene Ther 2022; 30:596-607. [PMID: 36494581 DOI: 10.1038/s41417-022-00574-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Revised: 11/01/2022] [Accepted: 11/29/2022] [Indexed: 12/14/2022]
Abstract
Our previous study confirmed that miR-219-5p inhibits the progression of ovarian cancer (OC) by targeting high mobility group AT-hook 2 (HMGA2), while the role of miR-219-5p on the chemoresistance of OC is unclear. HMGA2 and miR-219-5p expression in OC tumors and various types of OC cells were determined by reverse transcription-quantitative PCR (RT-qPCR) and western blotting. The miRNA profiles in A2780 and cisplatin-resistant A2780 cells were investigated via bulk miRNA sequencing, and the interactions of miR-219-5p and HMGA2 were determined by luciferase reporter activity assay. Cell function was verified through Cell Counting Kit-8, invasion assay, wound-healing, and TUNEL assays. HMGA2 level is highly expressed in cisplatin-resistant OC cell lines compared to normal OC cells, while the expression trend of miR-219-5p is the opposite. In addition, we found that miR-219-5p is one of the miRNAs that have the most significant reduction in levels in the cisplatin-resistant A2780/DDP cell line compared to A2780 cells. Then, we reveal that miR-219-5p directly targets HMGA2 in cisplatin-resistant OC cells, and upregulation of miR-219-5p significantly reduces the resistance of OC cells to cisplatin both in vitro and in vivo. Finally, our results suggest that Wnt/β-catenin signaling and autophagy pathway is involved in the role of miR-219-5p/HMGA2 on resistance of OC cells to cisplatin via gain-of-function experiments. Collectively, the present study shows that miR-219-5p decreases the resistance of OC cells to cisplatin via Wnt/β-catenin signaling and autophagy by regulating HMGA2, which provides a feasible solution for the resistance of OC to chemotherapy.
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Matos LL, da Silva JB. Potential application of human SALL4 on oral squamous cell carcinoma. ANNALS OF TRANSLATIONAL MEDICINE 2022; 10:919. [PMID: 36172107 PMCID: PMC9511190 DOI: 10.21037/atm-22-3982] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 08/16/2022] [Indexed: 12/02/2022]
Affiliation(s)
- Leandro Luongo Matos
- Head and Neck Surgery, Instituto do Câncer do Estado de São Paulo, Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo (Icesp, HCFMUSP), São Paulo, Brazil.,Surgical Clinic, Faculdade Israelita de Ciências da Saúde Albert Einstein, Hospital Israelita Albert Einstein, São Paulo, Brazil
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Overexpressed lncRNA LINC00893 Suppresses Progression of Colon Cancer by Binding with miR-146b-3p to Upregulate PRSS8. JOURNAL OF ONCOLOGY 2022; 2022:8002318. [PMID: 35571488 PMCID: PMC9098335 DOI: 10.1155/2022/8002318] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 04/11/2022] [Accepted: 04/19/2022] [Indexed: 12/27/2022]
Abstract
Background Long noncoding RNAs (lncRNAs) play a significant role in the progression and metastasis of various cancers. LINC00893 has been reported to exert antitumor effect on various cancers such as gastric cancer and thyroid cancer. Bioinformatics analysis also predicted that LINC00893 was downregulated in colon cancer. However, the clinical significance and regulating mechanism of LINC00893 in colon cancer remain unknown. Methods Expression of LINC00893, miR-146b-3p, and PRSS8 was detected in colon cancer tissues and adjacent nontumor tissues by RT-qPCR, and clinical significance was analyzed by receiver operating characteristic curve. The regulatory mechanism of LINC00893, miR-146b-3p, and PRSS8 was investigated by dual luciferase reporter and RNA pull-down assays. Proliferation, migration, invasion, and apoptosis were measured in HCT116 and SW620 cells by MTT, EdU staining, wound healing, Transwell, TUNEL, and flow-cytometry assays. Moreover, the effect of LINC00893 on colon cancer progression was further evaluated in tumor-bearing mice. Results LINC00893 and PRSS8 were significantly downregulated, while miR-146b-3p was upregulated in colon cancer tissues compared to control group. LINC00893, miR-146b-3p, and PRSS8 had significant diagnostic value with area under curve of 0.9383, 0.7300, and 0.9644, respectively. Overexpressed LINC00893 or silenced miR-146b-3p suppressed the proliferation, migration, and invasion while promoting apoptosis in colon cancer cells (HCT116, SW620). Moreover, miR-146b-3p overexpression reversed the inhibitory effect of LINC00893, while PRSS8 knockdown rescued the suppressive effect of miR-146b-3p inhibitor on malignant cell behaviors in colon cancer. Furthermore, the tumor growth in mice was significantly reduced by LINC00893 overexpression. Conclusion LINC00893 overexpression suppressed the progression of colon cancer by binding with miR-146b-3p to upregulate PRSS8. LINC00893 and its downstream molecules miR-146b-3p and PRSS8 may serve as novel biomarkers and therapeutic targets of colon cancer, providing new treatment options and research approaches towards colon cancer.
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Nagao K, Koshino A, Sugimura-Nagata A, Nagano A, Komura M, Ueki A, Ebi M, Ogasawara N, Tsuzuki T, Kasai K, Takahashi S, Kasugai K, Inaguma S. The Complete Loss of p53 Expression Uniquely Predicts Worse Prognosis in Colorectal Cancer. Int J Mol Sci 2022; 23:ijms23063252. [PMID: 35328677 PMCID: PMC8948732 DOI: 10.3390/ijms23063252] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 03/06/2022] [Accepted: 03/14/2022] [Indexed: 02/04/2023] Open
Abstract
p53 immunohistochemistry is considered an accurate surrogate marker reflecting the underlying TP53 mutation status and has utility in tumor diagnostics. In the present study, 269 primary CRCs were immunohistochemically evaluated for p53 expression to assess its utility in diagnostic pathology and prognostication. p53 expression was wild-type in 59 cases (23%), overexpressed in 143 cases (55%), completely lost in 50 cases (19%), and cytoplasmic in 10 cases (4%). p53 immunoreactivity was associated with tumor size (p = 0.0056), mucus production (p = 0.0015), and mismatch repair (MMR) system status (p < 0.0001). Furthermore, among CRCs with wild-type p53 expression, a significantly higher number of cases had decreased CDX2 than those with p53 overexpression (p = 0.012) or complete p53 loss (p = 0.043). In contrast, among CRCs with p53 overexpression, there were significantly fewer ALCAM-positive cases than p53 wild-type cases (p = 0.0045). However, no significant association was detected between p53 immunoreactivity and the “stem-like” immunophenotype defined by CDX2 downregulation and ALCAM-positivity. Multivariate Cox hazards regression analysis identified tubular-forming histology (hazard ratio [HR] = 0.17, p < 0.0001), younger age (HR = 0.52, p = 0.021), and female sex (HR = 0.55, p = 0.046) as potential favorable factors. The analysis also revealed complete p53 loss (HR = 2.16, p = 0.0087), incomplete resection (HR = 2.65, p = 0.0068), and peritoneal metastasis (HR = 5.32, p < 0.0001) as potential independent risk factors for patients with CRC. The sub-cohort survival analyses classified according to chemotherapy after surgery revealed that CRC patients with wild-type p53 expression tended to have better survival than those with overexpression or complete loss after chemotherapy. Thus, immunohistochemistry for p53 could be used for the prognostication and chemotherapy target selection of patients with CRC.
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Affiliation(s)
- Kazuhiro Nagao
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan; (K.N.); (A.K.); (A.S.-N.); (M.E.); (N.O.); (K.K.)
| | - Akira Koshino
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan; (K.N.); (A.K.); (A.S.-N.); (M.E.); (N.O.); (K.K.)
| | - Akane Sugimura-Nagata
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan; (K.N.); (A.K.); (A.S.-N.); (M.E.); (N.O.); (K.K.)
| | - Aya Nagano
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan; (A.N.); (M.K.); (A.U.); (S.T.)
| | - Masayuki Komura
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan; (A.N.); (M.K.); (A.U.); (S.T.)
| | - Akane Ueki
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan; (A.N.); (M.K.); (A.U.); (S.T.)
| | - Masahide Ebi
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan; (K.N.); (A.K.); (A.S.-N.); (M.E.); (N.O.); (K.K.)
| | - Naotaka Ogasawara
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan; (K.N.); (A.K.); (A.S.-N.); (M.E.); (N.O.); (K.K.)
| | - Toyonori Tsuzuki
- Department of Surgical Pathology, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan;
| | - Kenji Kasai
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan;
| | - Satoru Takahashi
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan; (A.N.); (M.K.); (A.U.); (S.T.)
| | - Kunio Kasugai
- Division of Gastroenterology, Department of Internal Medicine, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan; (K.N.); (A.K.); (A.S.-N.); (M.E.); (N.O.); (K.K.)
| | - Shingo Inaguma
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8601, Japan; (A.N.); (M.K.); (A.U.); (S.T.)
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute 480-1195, Japan;
- Department of Pathology, Nagoya City University East Medical Center, Nagoya 464-8547, Japan
- Correspondence:
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Sun B, Xu L, Bi W, Ou WB. SALL4 Oncogenic Function in Cancers: Mechanisms and Therapeutic Relevance. Int J Mol Sci 2022; 23:ijms23042053. [PMID: 35216168 PMCID: PMC8876671 DOI: 10.3390/ijms23042053] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/07/2022] [Accepted: 02/08/2022] [Indexed: 02/06/2023] Open
Abstract
SALL4, a member of the SALL family, is an embryonic stem cell regulator involved in self-renewal and pluripotency. Recently, SALL4 overexpression was found in malignant cancers, including lung cancer, hepatocellular carcinoma, breast cancer, gastric cancer, colorectal cancer, osteosarcoma, acute myeloid leukemia, ovarian cancer, and glioma. This review updates recent advances of our knowledge of the biology of SALL4 with a focus on its mechanisms and regulatory functions in tumors and human hematopoiesis. SALL4 overexpression promotes proliferation, development, invasion, and migration in cancers through activation of the Wnt/β-catenin, PI3K/AKT, and Notch signaling pathways; expression of mitochondrial oxidative phosphorylation genes; and inhibition of the expression of the Bcl-2 family, caspase-related proteins, and death receptors. Additionally, SALL4 regulates tumor progression correlated with the immune microenvironment involved in the TNF family and gene expression through epigenetic mechanisms, consequently affecting hematopoiesis. Therefore, SALL4 plays a critical oncogenic role in gene transcription and tumor growth. However, there are still some scientific hypotheses to be tested regarding whether SALL4 is a therapeutic target, such as different tumor microenvironments and drug resistance. Thus, an in-depth understanding and study of the functions and mechanisms of SALL4 in cancer may help develop novel strategies for cancer therapy.
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Affiliation(s)
| | | | | | - Wen-Bin Ou
- Correspondence: ; Tel./Fax: +86-571-8684-3303
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9
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SALL Proteins; Common and Antagonistic Roles in Cancer. Cancers (Basel) 2021; 13:cancers13246292. [PMID: 34944911 PMCID: PMC8699250 DOI: 10.3390/cancers13246292] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 12/06/2021] [Accepted: 12/09/2021] [Indexed: 01/02/2023] Open
Abstract
Simple Summary Transcription factors play essential roles in regulating gene expression, impacting the cell phenotype and function, and in the response of cells to environmental conditions. Alterations in transcription factors, including gene amplification or deletion, point mutations, and expression changes, are implicated in carcinogenesis, cancer progression, metastases, and resistance to cancer treatments. Not surprisingly, transcription factor activity is altered in numerous cancers, representing a unique class of cancer drug targets. This review updates and integrates information on the SALL family of transcription factors, highlighting the synergistic and/or antagonistic functions they perform in various cancer types. Abstract SALL proteins are a family of four conserved C2H2 zinc finger transcription factors that play critical roles in organogenesis during embryonic development. They regulate cell proliferation, survival, migration, and stemness; consequently, they are involved in various human genetic disorders and cancer. SALL4 is a well-recognized oncogene; however, SALL1–3 play dual roles depending on the cancer context and stage of the disease. Current reviews of SALLs have focused only on SALL2 or SALL4, lacking an integrated view of the SALL family members in cancer. Here, we update the recent advances of the SALL members in tumor development, cancer progression, and therapy, highlighting the synergistic and/or antagonistic functions they perform in similar cancer contexts. We identified common regulatory mechanisms, targets, and signaling pathways in breast, brain, liver, colon, blood, and HPV-related cancers. In addition, we discuss the potential of the SALL family members as cancer biomarkers and in the cancer cells’ response to therapies. Understanding SALL proteins’ function and relationship will open new cancer biology, clinical research, and therapy perspectives.
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10
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Ouban A. Expression of SALL4 stemness marker in laryngeal squamous cell carcinomas (LSCCs) and its clinical significance. ALL LIFE 2021. [DOI: 10.1080/26895293.2021.1972349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Affiliation(s)
- Abderrahman Ouban
- Department of Pathology, Alfaisal University College of Medicine, Riyadh, Kingdom of Saudi Arabia
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Liu J, Sauer MA, Hussein SG, Yang J, Tenen DG, Chai L. SALL4 and microRNA: The Role of Let-7. Genes (Basel) 2021; 12:1301. [PMID: 34573282 PMCID: PMC8467721 DOI: 10.3390/genes12091301] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 08/21/2021] [Accepted: 08/24/2021] [Indexed: 12/11/2022] Open
Abstract
SALL4 is a zinc finger transcription factor that belongs to the spalt-like (SALL) gene family. It plays important roles in the maintenance of self-renewal and pluripotency of embryonic stem cells, and its expression is repressed in most adult organs. SALL4 re-expression has been observed in different types of human cancers, and dysregulation of SALL4 contributes to the pathogenesis, metastasis, and even drug resistance of multiple cancer types. Surprisingly, little is known regarding how SALL4 expression is controlled, but recently microRNAs (miRNAs) have emerged as important regulators of SALL4. Due to the ability of regulating targets differentially in specific tissues, and recent advances in systemic and organ specific miRNA delivery mechanisms, miRNAs have emerged as promising therapeutic targets for cancer treatment. In this review, we summarize current knowledge of the interaction between SALL4 and miRNAs in mammalian development and cancer, paying particular attention to the emerging roles of the Let-7/Lin28 axis. In addition, we discuss the therapeutic prospects of targeting SALL4 using miRNA-based strategies, with a focus on the Let-7/LIN28 axis.
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Affiliation(s)
- Jun Liu
- Department of Pathology, Brigham & Women’s Hospital, Boston, MA 02115, USA; (J.L.); (M.A.S.); (J.Y.)
| | - Madeline A. Sauer
- Department of Pathology, Brigham & Women’s Hospital, Boston, MA 02115, USA; (J.L.); (M.A.S.); (J.Y.)
| | | | - Junyu Yang
- Department of Pathology, Brigham & Women’s Hospital, Boston, MA 02115, USA; (J.L.); (M.A.S.); (J.Y.)
| | - Daniel G. Tenen
- Cancer Science Institute, National University of Singapore, Singapore 117599, Singapore
- Harvard Stem Cell Institute, Harvard Medical School, Boston, MA 02115, USA
| | - Li Chai
- Department of Pathology, Brigham & Women’s Hospital, Boston, MA 02115, USA; (J.L.); (M.A.S.); (J.Y.)
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12
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miR-219-5p targets TBXT and inhibits breast cancer cell EMT and cell migration and invasion. Biosci Rep 2021; 41:229438. [PMID: 34339487 PMCID: PMC8360836 DOI: 10.1042/bsr20210318] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 07/12/2021] [Accepted: 07/30/2021] [Indexed: 12/30/2022] Open
Abstract
miR-219-5p has been reported to act as either a tumor suppressor or a tumor promoter in different cancers by targeting different genes. In the present study, we demonstrated that miR-219-5p negatively regulated the expression of TBXT, a known epithelial–mesenchymal transition (EMT) inducer, by directly binding to TBXT 3′-untranslated region. As a result of its inhibition on TBXT expression, miR-219-5p suppressed EMT and cell migration and invasion in breast cancer cells. The re-introduction of TBXT in miR-219-5p overexpressing cells decreased the inhibitory effects of miR-219 on EMT and cell migration and invasion. Moreover, miR-219-5p decreased breast cancer stem cell (CSC) marker genes expression and reduced the mammosphere forming capability of cells. Overall, our study highlighted that TBXT is a novel target of miR-219-5p. By suppressing TBXT, miR-219-5p plays an important role in EMT and cell migration and invasion of breast cancer cells.
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Wang H, Xing J, Wang W, Lv G, He H, Lu Y, Sun M, Chen H, Li X. Molecular Characterization of the Oncogene BTF3 and Its Targets in Colorectal Cancer. Front Cell Dev Biol 2021; 8:601502. [PMID: 33644029 PMCID: PMC7905040 DOI: 10.3389/fcell.2020.601502] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Accepted: 11/26/2020] [Indexed: 01/12/2023] Open
Abstract
Colorectal cancer (CRC) is one of the most commonly diagnosed and leading causes of cancer mortality worldwide, and the prognosis of patients with CRC remains unsatisfactory. Basic transcription factor 3 (BTF3) is an oncogene and hazardous prognosticator in CRC. Although two distinct functional mechanisms of BTF3 in different cancer types have been reported, its role in CRC is still unclear. In this study, we aimed to molecularly characterize the oncogene BTF3 and its targets in CRC. Here, we first identified the transcriptional targets of BTF3 by applying combined RNA-Seq and ChIP-Seq analysis, identifying CHD1L as a transcriptional target of BTF3. Thereafter, we conducted immunoprecipitation (IP)-MS and E3 ubiquitin ligase analysis to identify potential interacting targets of BTF3 as a subunit of the nascent-polypeptide-associated complex (NAC). The analysis revealed that BTF3 might also inhibit E3 ubiquitin ligase HERC2-mediated p53 degradation. Finally, miRNAs targeting BTF3 were predicted and validated. Decreased miR-497-5p expression is responsible for higher levels of BTF3 post-transcriptionally. Collectively, we concluded that BTF3 is an oncogene, and there may exist a transcription factor and NAC-related proteolysis mechanism in CRC. This study provides a comprehensive basis for understanding the oncogenic mechanisms of BTF3 in CRC.
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Affiliation(s)
- Hantao Wang
- Department of Colorectal Surgery, Changhai Hospital, Shanghai, China
| | - Junjie Xing
- Department of Colorectal Surgery, Changhai Hospital, Shanghai, China
| | - Wei Wang
- Department of Colorectal Surgery, Changhai Hospital, Shanghai, China
| | - Guifen Lv
- Department of Colorectal Surgery, Changhai Hospital, Shanghai, China
| | - Haiyan He
- Department of Digestive Endoscopy, Changhai Hospital, Shanghai, China
| | - Yeqing Lu
- Department of Anesthesiology, Changhai Hospital, Shanghai, China
| | - Mei Sun
- Department of Anesthesiology, Changhai Hospital, Shanghai, China
| | - Haiyan Chen
- Department of Endocrinology, Changzheng Hospital, Shanghai, China
| | - Xu Li
- Department of Colorectal Surgery, Changhai Hospital, Shanghai, China
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14
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Hu C, Huang S, Wu F, Ding H. MicroRNA-219-5p participates in cyanotic congenital heart disease progression by regulating cardiomyocyte apoptosis. Exp Ther Med 2020; 21:36. [PMID: 33262822 PMCID: PMC7690344 DOI: 10.3892/etm.2020.9468] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Accepted: 09/30/2020] [Indexed: 12/12/2022] Open
Abstract
MicroRNAs (miRs) play important roles in the protection against and development of congenital heart disease (CHD). However, the role and potential mechanisms of miR-219-5p in cyanotic CHD remains unclear. Reverse transcription-quantitative PCR (RT-qPCR) was used to measure miR-219-5p levels in cyanotic CHD and hypoxia-induced H9C2 cells. Dual luciferase reporter gene assay was used to confirm whether liver receptor homolog-1 (LRH-1) was a direct target of miR-219-5p. miR-219-5p inhibitor and LRH-1-small interfering RNA were transfected into H9C2 cells under hypoxic conditions to investigate the role of miR-219-5p in hypoxia-induced H9C2 cells. Subsequently, cell viability was detected using an MTT assay and cell apoptosis was detected using flow cytometry. In addition, RT-qPCR and western blotting assays were performed to detect the mRNA and protein expression of LRH-1, cyclin D1 and β-catenin, respectively. The data showed that miR-219-5p expression was higher in patients with cyanotic CHD compared with patients with acyanotic CHD gradually increased in H9C2 cells with prolonged hypoxia time. Dual luciferase reporter assay results showed that LRH-1 was a direct target gene of miR-219-5p. Inhibition of miR-219-5p reversed hypoxia-induced cell viability reduction and attenuated hypoxia-induced cell apoptosis. In addition, hypoxia induction inhibited the expression of LRH-1, cyclin D1 and β-catenin, which was reversed by miR-219-5p inhibitor. However, LRH-1 downregulation reversed the miR-219-5p inhibitor enhanced cell viability, decreased cell apoptosis and increased expression of LRH-1, cyclin D1 and β-catenin in hypoxia-treated cardiomyocytes. The present results demonstrated that downregulation of miR-219-5p promoted the expression of the LRH-1/Wnt/β-catenin signaling pathway-associated components, reduced cardiomyocyte apoptosis and increased cell growth under hypoxic conditions. miR-219-5p may be a potential therapeutic target for cyanotic CHD therapy.
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Affiliation(s)
- Chuanxian Hu
- Department of Cardiopulmonary Surgery, Huai'an First People's Hospital, Huai'an, Jiangsu 223300, P.R. China
| | - Su Huang
- Department of Cardiopulmonary Surgery, Huai'an First People's Hospital, Huai'an, Jiangsu 223300, P.R. China
| | - Fafu Wu
- Department of Cardiopulmonary Surgery, Huai'an First People's Hospital, Huai'an, Jiangsu 223300, P.R. China
| | - Hui Ding
- Department of Cardiopulmonary Surgery, Huai'an First People's Hospital, Huai'an, Jiangsu 223300, P.R. China
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15
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Duan L, Yang W, Feng W, Cao L, Wang X, Niu L, Li Y, Zhou W, Zhang Y, Liu J, Zhang H, Zhao Q, Hong L, Fan D. Molecular mechanisms and clinical implications of miRNAs in drug resistance of colorectal cancer. Ther Adv Med Oncol 2020; 12:1758835920947342. [PMID: 32922521 PMCID: PMC7450467 DOI: 10.1177/1758835920947342] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Accepted: 07/13/2020] [Indexed: 12/12/2022] Open
Abstract
Systemic chemotherapy is identified as a curative approach to prolong the survival time of patients with colorectal cancer (CRC). Although great progress in therapeutic approaches has been achieved during the last decades, drug resistance still extensively persists and serves as a major hurdle to effective anticancer therapy for CRC. The mechanism of multidrug resistance remains unclear. Recently, mounting evidence suggests that a great number of microRNAs (miRNAs) may contribute to drug resistance in CRC. Certain of these miRNAs may thus be used as promising biomarkers for predicting drug response to chemotherapy or serve as potential targets to develop personalized therapy for patients with CRC. This review mainly summarizes recent advances in miRNAs and the molecular mechanisms underlying miRNA-mediated chemoresistance in CRC. We also discuss the potential role of drug resistance-related miRNAs as potential biomarkers (diagnostic and prognostic value) and envisage the future orientation and challenges in translating the findings on miRNA-mediated chemoresistance of CRC into clinical applications.
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Affiliation(s)
- Lili Duan
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Wanli Yang
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Weibo Feng
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Lu Cao
- Department of Biomedical Engineering, Fourth Military Medical University, Xi'an, China
| | - Xiaoqian Wang
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Liaoran Niu
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Yiding Li
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Wei Zhou
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Yujie Zhang
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Jinqiang Liu
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Hongwei Zhang
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Qingchuan Zhao
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Liu Hong
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, 710032, China
| | - Daiming Fan
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
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16
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Chitnis NS, Shieh M, Monos D. Regulatory noncoding RNAs and the major histocompatibility complex. Hum Immunol 2020; 82:532-540. [PMID: 32636038 DOI: 10.1016/j.humimm.2020.06.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 05/21/2020] [Accepted: 06/09/2020] [Indexed: 12/15/2022]
Abstract
The Major Histocompatibility Complex (MHC) is a 4 Mbp genomic region located on the short arm of chromosome 6. The MHC region contains many key immune-related genes such as Human Leukocyte Antigens (HLAs). There has been a growing realization that, apart from MHC encoded proteins, RNAs derived from noncoding regions of the MHC-specifically microRNAs (miRNAs) and long noncoding RNAs (lncRNAs)-play a significant role in cellular regulation. Furthermore, regulatory noncoding RNAs (ncRNAs) derived from other parts of the genome fine-tune the expression of many immune-related MHC proteins. Although the field of ncRNAs of the MHC is a research area that is still in its infancy, ncRNA regulation of MHC genes has already been shown to be vital for immune function, healthy pregnancy and cellular homeostasis. Dysregulation of this intricate network of ncRNAs can lead to serious perturbations in homeostasis and subsequent disease.
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Affiliation(s)
- Nilesh Sunil Chitnis
- Department of Pathology and Laboratory Medicine, The Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Mengkai Shieh
- Department of Pathology and Laboratory Medicine, The Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Dimitri Monos
- Department of Pathology and Laboratory Medicine, The Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA; Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.
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17
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Sun W, Nie W, Wang Z, Zhang H, Li Y, Fang X. Lnc HAGLR Promotes Colon Cancer Progression Through Sponging miR-185-5p and Activating CDK4 and CDK6 in vitro and in vivo. Onco Targets Ther 2020; 13:5913-5925. [PMID: 32606801 PMCID: PMC7319508 DOI: 10.2147/ott.s246092] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Accepted: 05/06/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND/AIM LncRNA plays a key role in tumor progression. HAGLR functions as an oncogene in many cancers. However, the molecular mechanism of HAGLR in colon cancer is still unclear. METHODS qRT-PCR was used to measure the expression of HAGLR, miR-185-5p in colon cancer. The expression of CDK4 and CDK6 was detected by Western blot. CCK-8 assay, EdU staining, transwell and Annexin V-FITC/PI assay were used to analyze the effect of HAGLR and miR-185-5p on cell proliferation, invasion, migration and apoptosis. Bioinformatic analysis and luciferase were used to analyze the target genes of HAGLR and miR-185-5p. Nude mice were used to detect mouse tumor changes. RESULTS Compared with normal colon cancer tissues and cells, the expression of HAGLR was increased in colon cancer tissues and cells. In addition, the expression of HAGLR down-regulation inhibited the growth, migration, and invasion of colon cancer cells. MiR-185-5p was reduced in colon cancer, and CDK4 and CDK6 acted as target genes of miR-185-5p to regulate the progress of colon cancer. And CDK4 and CDK6 were predicted as downstream targets of miR-185-5p. Finally, it was demonstrated that HAGLR regulated tumor progression in vivo. CONCLUSION Lnc HAGLR promoted the development of colon cancer by miR-185-5p/CDK4/CDK6 axis, and lnc HAGLR might be potential target for colon cancer.
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Affiliation(s)
- Weixuan Sun
- Department of Gastrointestinal Colorectal and Anal Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin, People’s Republic of China
| | - Wenting Nie
- Department of Plastic Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin, People’s Republic of China
| | - Zhaoyi Wang
- Department of Gastrointestinal Colorectal and Anal Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin, People’s Republic of China
| | - Haolong Zhang
- Department of Gastrointestinal Colorectal and Anal Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin, People’s Republic of China
| | - Yezhou Li
- Department of Vascular Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin, People’s Republic of China
| | - Xuedong Fang
- Department of Gastrointestinal Colorectal and Anal Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin, People’s Republic of China
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18
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Wei L, Sun C, Zhang Y, Han N, Sun S. miR-503-5p inhibits colon cancer tumorigenesis, angiogenesis, and lymphangiogenesis by directly downregulating VEGF-A. Gene Ther 2020; 29:28-40. [PMID: 32533103 DOI: 10.1038/s41434-020-0167-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 05/28/2020] [Accepted: 06/03/2020] [Indexed: 12/12/2022]
Abstract
MicroRNAs (miRNAs) are considered important in the pathogenesis of colon cancer. But the mechanism of their role in colon cancer is still largely unknown. Here, we aimed to explore the function of miR-503-5p in the pathogenesis of colon cancer. This study analyzed miRNA microarray of colon cancer. Then, we performed EdU, CCK-8, flow cytometry, Transwell invasion assays and in vivo assays to explore the exact role of miR-503-5p in colon cancer. We observed considerable downregulation of miR-503-5p expression in colon cancer cells and tissues and significant correlation with the TNM stage, differentiation grade and lymph node metastasis of colon cancer. Overexpression of miR-503-5p promoted the apoptosis and G1 arrest of colon cancer cells, and inhibited migration, proliferation, invasion and colony formation. Interestingly, ectopic miR-503-5p overexpression could significantly inhibit vascular endothelial growth factor (VEGF)-A expression and reduce the activity of a luciferase reporter containing the VEGF-A 3'-untranslated region. Furthermore, overexpressed miR-503-5p in human umbilical vein endothelial cells (HUVECs) and colon cancer cells resulted in lower expression levels of VEGFR-2, and subsequently inhibited AKT signaling pathway. Additionally, overexpression of miR-503-5p suppressed both lymphangiogenesis and angiogenesis in vivo and significantly inhibited the tumorigenicity of HT-29 cells in nude mice. In summary, our study shows downregulation of miR-503-5p at least partially contributes to the tumorigenesis of colon cancer through modulating the angiogenesis and lymphangiogenesis by targeting VEGF-A while stimulating AKT signaling pathways. Therapeutic strategies to restore miR-503-5p in colon cancer could be useful to inhibit tumor progression.
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Affiliation(s)
- Linlin Wei
- Department of Radiotherapy, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, No.44 Xiaoheyan Road, Dadong District, Shenyang, 110042, Liaoning, China.
| | - Chaonan Sun
- Department of Radiotherapy, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, No.44 Xiaoheyan Road, Dadong District, Shenyang, 110042, Liaoning, China
| | - Yaotian Zhang
- Department of Radiotherapy, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, No.44 Xiaoheyan Road, Dadong District, Shenyang, 110042, Liaoning, China
| | - Ning Han
- Department of Radiotherapy, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, No.44 Xiaoheyan Road, Dadong District, Shenyang, 110042, Liaoning, China
| | - Shichen Sun
- Department of Radiotherapy, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, No.44 Xiaoheyan Road, Dadong District, Shenyang, 110042, Liaoning, China
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19
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Wang Z, Li Y, Cao J, Zhang W, Wang Q, Zhang Z, Gao Z, Ye Y, Jiang K, Wang S. MicroRNA Profile Identifies miR-6165 Could Suppress Gastric Cancer Migration and Invasion by Targeting STRN4. Onco Targets Ther 2020; 13:1859-1869. [PMID: 32184620 PMCID: PMC7060782 DOI: 10.2147/ott.s208024] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Accepted: 02/11/2020] [Indexed: 12/24/2022] Open
Abstract
Background Recent studies showed that aberrant expression of miRNAs causes tumor-suppressing or promoting effects in various cancers including gastric cancer (GC). Our previous studies showed that lots of miRNAs and mRNA expressed differentially in GC and normal tissues. However, the critical miRNAs and mRNA need to be clarified. Materials and Methods Microarray sequencing was used to profile the differential expression of miRNAs and mRNA in GC and normal tissues. Bioinformatics analysis and database prediction were used to search the critical miRNAs and mRNA. Real-time quantitative polymerase chain reaction (RT-qPCR), luciferase reporter assay, immunohistochemistry (IHC), wound healing assay and transwell assay were used to clarify the relationship between the target miRNAs and mRNA. Statistical analysis was used to seek their value of diagnosis and prognosis. Results We identified microRNA-6165 (miR-6165) as a novel cancer-related miRNA in GC through high-throughput microarray sequencing. By bioinformatics analysis and luciferase reporter assay, we found STRN4 was the target of miR-6165. Via a series of cell experiments, we determined that miR-6165 suppressed GC cells migration and invasion by targeting STRN4. Also, we discovered the potential diagnosis and prognosis value of miR-6165 and STRN4. Conclusion It was found that miR-6165 might suppress GC migration and invasion by targeting STRN4 in vitro, and the further research should focus more on the potential diagnosis and prognosis value of miR-6165 and STRN4 in gastric cancer patients.
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Affiliation(s)
- Zhu Wang
- Department of Gastroenterological Surgery, Peking University People's Hospital, Beijing 100044, People's Republic of China.,Laboratory of Surgical Oncology, Beijing Key Laboratory of Colorectal Cancer Diagnosis and Treatment Research, Peking University People's Hospital, Beijing 100044, People's Republic of China
| | - Yang Li
- Department of Gastroenterological Surgery, Peking University People's Hospital, Beijing 100044, People's Republic of China.,Laboratory of Surgical Oncology, Beijing Key Laboratory of Colorectal Cancer Diagnosis and Treatment Research, Peking University People's Hospital, Beijing 100044, People's Republic of China
| | - Jian Cao
- Department of Gastroenterological Surgery, Peking University People's Hospital, Beijing 100044, People's Republic of China
| | - Wei Zhang
- Department of Gastroenterological Surgery, Peking University People's Hospital, Beijing 100044, People's Republic of China.,Laboratory of Surgical Oncology, Beijing Key Laboratory of Colorectal Cancer Diagnosis and Treatment Research, Peking University People's Hospital, Beijing 100044, People's Republic of China
| | - Quan Wang
- Department of Gastroenterological Surgery, Peking University People's Hospital, Beijing 100044, People's Republic of China.,Laboratory of Surgical Oncology, Beijing Key Laboratory of Colorectal Cancer Diagnosis and Treatment Research, Peking University People's Hospital, Beijing 100044, People's Republic of China
| | - Zhen Zhang
- Department of Gastroenterological Surgery, Peking University People's Hospital, Beijing 100044, People's Republic of China.,Laboratory of Surgical Oncology, Beijing Key Laboratory of Colorectal Cancer Diagnosis and Treatment Research, Peking University People's Hospital, Beijing 100044, People's Republic of China
| | - Zhidong Gao
- Department of Gastroenterological Surgery, Peking University People's Hospital, Beijing 100044, People's Republic of China
| | - Yingjiang Ye
- Department of Gastroenterological Surgery, Peking University People's Hospital, Beijing 100044, People's Republic of China.,Laboratory of Surgical Oncology, Beijing Key Laboratory of Colorectal Cancer Diagnosis and Treatment Research, Peking University People's Hospital, Beijing 100044, People's Republic of China
| | - Kewei Jiang
- Department of Gastroenterological Surgery, Peking University People's Hospital, Beijing 100044, People's Republic of China.,Laboratory of Surgical Oncology, Beijing Key Laboratory of Colorectal Cancer Diagnosis and Treatment Research, Peking University People's Hospital, Beijing 100044, People's Republic of China
| | - Shan Wang
- Department of Gastroenterological Surgery, Peking University People's Hospital, Beijing 100044, People's Republic of China.,Laboratory of Surgical Oncology, Beijing Key Laboratory of Colorectal Cancer Diagnosis and Treatment Research, Peking University People's Hospital, Beijing 100044, People's Republic of China
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20
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Hulin JA, Gubareva EA, Jarzebska N, Rodionov RN, Mangoni AA, Tommasi S. Inhibition of Dimethylarginine Dimethylaminohydrolase (DDAH) Enzymes as an Emerging Therapeutic Strategy to Target Angiogenesis and Vasculogenic Mimicry in Cancer. Front Oncol 2020; 9:1455. [PMID: 31993367 PMCID: PMC6962312 DOI: 10.3389/fonc.2019.01455] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Accepted: 12/05/2019] [Indexed: 01/01/2023] Open
Abstract
The small free radical gas nitric oxide (NO) plays a key role in various physiological and pathological processes through enhancement of endothelial cell survival and proliferation. In particular, NO has emerged as a molecule of interest in carcinogenesis and tumor progression due to its crucial role in various cancer-related events including cell invasion, metastasis, and angiogenesis. The dimethylarginine dimethylaminohydrolase (DDAH) family of enzymes metabolize the endogenous nitric oxide synthase (NOS) inhibitors, asymmetric dimethylarginine (ADMA) and monomethyl arginine (L-NMMA), and are thus key for maintaining homeostatic control of NO. Dysregulation of the DDAH/ADMA/NO pathway resulting in increased local NO availability often promotes tumor growth, angiogenesis, and vasculogenic mimicry. Recent literature has demonstrated increased DDAH expression in tumors of different origins and has also suggested a potential ADMA-independent role for DDAH enzymes in addition to their well-studied ADMA-mediated influence on NO. Inhibition of DDAH expression and/or activity in cell culture models and in vivo studies has indicated the potential therapeutic benefit of this pathway through inhibition of both angiogenesis and vasculogenic mimicry, and strategies for manipulating DDAH function in cancer are currently being actively pursued by several research groups. This review will thus provide a timely discussion on the expression, regulation, and function of DDAH enzymes in regard to angiogenesis and vasculogenic mimicry, and will offer insight into the therapeutic potential of DDAH inhibition in cancer based on preclinical studies.
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Affiliation(s)
- Julie-Ann Hulin
- Clinical Pharmacology, College of Medicine and Public Health, Flinders University, Adelaide, SA, Australia
| | - Ekaterina A Gubareva
- N.N. Petrov National Medical Research Center of Oncology, Saint Petersburg, Russia
| | - Natalia Jarzebska
- Division of Angiology, Department of Internal Medicine III, University Center for Vascular Medicine, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany.,Department of Anesthesiology and Intensive Care Medicine, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Roman N Rodionov
- Division of Angiology, Department of Internal Medicine III, University Center for Vascular Medicine, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Arduino A Mangoni
- Clinical Pharmacology, College of Medicine and Public Health, Flinders University, Adelaide, SA, Australia
| | - Sara Tommasi
- Clinical Pharmacology, College of Medicine and Public Health, Flinders University, Adelaide, SA, Australia
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21
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Li Y, Zhu G, Ma Y, Qu H. lncRNA CCAT1 contributes to the growth and invasion of gastric cancer via targeting miR-219-1. J Cell Biochem 2019; 120:19457-19468. [PMID: 31478245 DOI: 10.1002/jcb.29239] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Accepted: 12/05/2017] [Indexed: 01/17/2023]
Abstract
Gastric cancer (GC) is one of the most malignant tumors that seriously threaten human health. Increased reports have indicated that long noncoding RNAs (lncRNAs) are associated with GC. This study aims to investigate the regulatory role of colon cancer-associated transcript-1 (CCAT1) in GC. The results exhibited the fact that CCAT1 was expressed higher in 57 GC tissue samples than in 57 paired adjacent normal tissue samples. The expression of CCAT1 was also increased in GC cell lines (MKN45, Hs746T, and SGC-7901) compared with the gastric epithelial cell line GES-1. Besides this, decreased cell proliferation with increased cell apoptosis was detected in SGC-7902 cells transfected with CCAT1 short hairpin RNA (shRNA). At the same time, a lower cell invasion ability was measured in SCG-7901 cells transfected with CCAT1 shRNA.In addition, miR-219-1 was predicted and convinced a direct target of CCAT1. The expression of miR-219-1 was decreased in GC tissues and GC cell lines. Further studies demonstrated that the roles of CCAT1 in cell proliferation, apoptosis, and invasion were inhibited by miR-219-1. Finally, in vivo experiment indicated that tumor growth of GC was suppressed through knockdown of CCAT1. In conclusion, these results suggested that CAT1 promotes the tumorigenesis and progression of GC by negatively regulating miR-219-1.
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Affiliation(s)
- Yanfeng Li
- Department of Gastrointestinal Surgery, The Affiliated Cancer Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Guanyu Zhu
- Department of Gastrointestinal Surgery, The Affiliated Cancer Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Yan Ma
- Department of Gastrointestinal Surgery, The Affiliated Cancer Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Hongyan Qu
- Department of Gastrointestinal Surgery, The Affiliated Cancer Hospital of Harbin Medical University, Harbin, Heilongjiang, China
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22
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Hesari A, Rajab S, Rezaei M, Basam M, Golmohamadi S, Ghasemi F. Knockdown of Sal-like 4 expression by siRNA induces apoptosis in colorectal cancer. J Cell Biochem 2019; 120:11531-11538. [PMID: 30771239 DOI: 10.1002/jcb.28433] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2018] [Revised: 11/22/2018] [Accepted: 11/29/2018] [Indexed: 01/24/2023]
Abstract
Colorectal cancer (CRC) is known as the third most common malignancies among men and women and is also the second leading cause of cancer-related deaths worldwide. It has been indicated that a variety of risk factors are involved in the pathogenesis of CRC. Spalt-like transcription factor 4 (SALL4) is known as a transcription factor that plays an important role in the proliferation of cancerous cells. In this study, using a specific sequence of small interfering RNA (siRNA) against the sequence of SALL4, its activity is investigated in the CRC cell line (sw742). The CRC cells (sw742) were cultured and then, using a specific anti-SALL4 siRNA, their toxic doses were determined. Then, the gene is transfected into the cell. Proliferation and expression of the SALL4 and Bcl-2 gene were measured using the real-time polymerase chain reaction method. Cell death was evaluated by propidium iodide staining and fluorescence-activated cell sorting analysis. Our results indicated that the specific concentration of siRNA of the SALL4 gene was 62.5 nmole. Gene expression of SALL4 and Bcl-2 results showed that expression of Bcl-2 gene in the siRNA group was significantly reduced. In conclusion, our finding indicated that it could be used as a therapeutic and diagnostic biomarker in the treatment of patients with CRC.
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Affiliation(s)
- AmirReza Hesari
- Department of Biotechnology, Molecular and Medicine Research Center, Faculty of Medicine, Arak University of Medical Sciences, Arak, Iran
| | - Shadi Rajab
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
| | - Marzieh Rezaei
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Maryam Basam
- Department of Anatomy, School of Medicine, Arak University of Medical Sciences, Arak, Iran
| | - Sara Golmohamadi
- Department of Biotechnology, Molecular and Medicine Research Center, Faculty of Medicine, Arak University of Medical Sciences, Arak, Iran
| | - Faezeh Ghasemi
- Department of Biotechnology, Molecular and Medicine Research Center, Faculty of Medicine, Arak University of Medical Sciences, Arak, Iran.,Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran
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Current Evidence on miRNAs as Potential Theranostic Markers for Detecting Chemoresistance in Colorectal Cancer: A Systematic Review and Meta-Analysis of Preclinical and Clinical Studies. Mol Diagn Ther 2019; 23:65-82. [PMID: 30726546 DOI: 10.1007/s40291-019-00381-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
BACKGROUND Findings from observational clinical studies examining the relationship between biomarker expression and theranosis in colorectal cancer (CRC) have been conflicting. OBJECTIVE We conducted this systematic review and meta-analysis to summarise the existing evidence to demonstrate the involvement of microRNAs (miRNAs) in chemoresistance and sensitivity in CRC through drug genetic pathways. METHODS Using PRISMA guidelines, we systematically searched PubMed and Science Direct for relevant studies that took place between 2012 and 2017. A random-effects model of meta-analysis was applied to evaluate the pooled effect size of hazard ratios (HRs) across the included studies. Cochran's Q test and the I2 statistic were used to detect heterogeneity. A funnel plot was used to assess potential publication bias. RESULTS Of the 4700 studies found, 39 studies comprising 2822 patients with CRC met the inclusion criteria. The included studies used one or a combination of 14 chemotherapy drugs, including 5-fluorouracil and oxaliplatin. Of the 60 miRNAs, 28 were associated with chemosensitivity, 20 with chemoresistance, and one with differential expression and radiosensitivity; ten miRNAs were not associated with any impact on chemotherapy. The results outline the importance of 34 drug-regulatory pathways of chemoresistance and sensitivity in CRC. The mean effect size was 0.689 (95% confidence interval 0.428-1.110), indicating that the expression of miRNAs decreased the likelihood of death by about 32%. CONCLUSION Studies have consistently shown that multiple miRNAs could act as clinical predictors of chemoresistance and sensitivity. An inclusion of supplementary miRNA estimation in CRC routine practice needs to be considered to evaluate the efficacy of chemotherapy after confirming our findings with large-scale prospective cohort studies. PROSPERO REGISTRATION NUMBER CRD42017082196.
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Nie X, Guo E, Wu C, Liu D, Sun W, Zhang L, Long G, Mei Q, Wu K, Xiong H, Hu G. SALL4 induces radioresistance in nasopharyngeal carcinoma via the ATM/Chk2/p53 pathway. Cancer Med 2019; 8:1779-1792. [PMID: 30907073 PMCID: PMC6488116 DOI: 10.1002/cam4.2056] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Revised: 02/09/2019] [Accepted: 02/10/2019] [Indexed: 12/11/2022] Open
Abstract
Radiotherapy is the mainstay and primary curative treatment modality in nasopharyngeal carcinoma (NPC), whose efficacy is limited by the development of intrinsic and acquired radioresistance. Thus, deciphering new molecular targets and pathways is essential for enhancing the radiosensitivity of NPC. SALL4 is a vital factor in the development and prognosis of various cancers, but its role in radioresistance remains elusive. This study aimed to explore the association of SALL4 expression with radioresistance of NPC. It was revealed that SALL4 expression was closely correlated with advanced T classification of NPC patients. Inhibition of SALL4 reduced proliferation and sensitized cells to radiation both in vitro and in vivo. Furthermore, SALL4 silencing increased radiation-induced DNA damage, apoptosis, and G2/M arrest in CNE2 and CNE2R cells. Moreover, knockdown of SALL4 impaired the expression of p-ATM, p-Chk2, p-p53, and anti-apoptosis protein Bcl-2, while pro-apoptosis protein was upregulated. These findings indicate that SALL4 could induce radioresistance via ATM/Chk2/p53 pathway and its downstream proteins related to apoptosis. Targeting SALL4 might be a promising approach for the development of novel radiosensitizing therapeutic agents for radioresistant NPC patients.
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Affiliation(s)
- Xin Nie
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Ergang Guo
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Cheng Wu
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Dongbo Liu
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Wei Sun
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Linli Zhang
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Guoxian Long
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Qi Mei
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Kongming Wu
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Huihua Xiong
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Guoqing Hu
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
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25
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Ma Q. MiR-219-5p suppresses cell proliferation and cell cycle progression in esophageal squamous cell carcinoma by targeting CCNA2. Cell Mol Biol Lett 2019; 24:4. [PMID: 30766610 PMCID: PMC6362576 DOI: 10.1186/s11658-018-0129-6] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Accepted: 12/04/2018] [Indexed: 12/20/2022] Open
Abstract
Background We investigated the potential regulatory role of miR-219-5p in esophageal squamous cell carcinoma (ESCC) and looked at the underlying mechanisms in ESCC. Methods Real-time PCR was used to determine the levels of miR-219-5p in ESCC tissues and cell lines. The effects of miR-219-5p and cyclin A2 (CCNA2) on cell proliferation and cell cycle progression were evaluated using MTT, colony formation and flow cytometry assays with ESCC cell lines EC9706 and TE-9. Bioinformatics techniques and the luciferase reporter assay were applied to validate CCNA2 as the miR-219-5p target in ESCC cells. The mRNA and protein levels of CCNA2 were measured using real-time PCR and western blotting. Results MiR-219-5p expression was significantly lower in ESCC tissues and cells than in healthy tissues. Upregulation of miR-219-5p repressed cell proliferation and induced cell cycle arrest at the G2/M phase. CCNA2 was identified and confirmed as a direct downstream target of miR-219-5p and its expression negatively correlated with miR-219-5p profiles in ESCC tissues. Knockdown of CCNA2 potentiated the effects of miR-219-5p on cell proliferation and cell cycle distribution. Conclusions Our results demonstrate that miR-219-5p might function as a tumor suppressor by directly targeting CCNA2 expression. It could serve as a new therapeutic target for ESCC.
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Affiliation(s)
- Qiang Ma
- Department of Oncology, People's Hospital of Xintai City, No. 1329 Xinfu Road, Xintai, 271200 Shandong Province China
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Hesari A, Anoshiravani AA, Talebi S, Noruzi S, Mohammadi R, Salarinia R, Zare R, Ghasemi F. Knockdown of sal-like 4 expression by small interfering RNA induces apoptosis in breast cancer cells. J Cell Biochem 2018; 120:9392-9399. [PMID: 30520112 DOI: 10.1002/jcb.28214] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Accepted: 11/15/2018] [Indexed: 12/21/2022]
Abstract
Breast cancer is the most prevalent cancers worldwide and causes a significant amount of deaths annually. Spalt-like transcription factor 4 is known as a transcription factor, which has an important role in the proliferation of cancerous cells. Small interfering RNA (siRNA) is a short-chain molecule of 20 to 25 nucleotides that protrude on two sides of the 3', two nucleotides. In this study, using a specific sequence of siRNA against the sequence of this gene, its activity is investigated in the cell line of breast cancer. The breast cancer cells (MCF-7) were cultured and then, using a specific anti-sal-like 4 (SALL4) siRNA, their toxic doses were determined. Then, the gene is transfected into the cell. Proliferation and expression of the SALL4 and BCL-2 gene were measured using the real-time polymerase chain reaction method. The specific concentration of siRNA IC50 of the SALL4 gene was 40.35 nmole. Gene expression results indicated that the expression of the Bcl-2 gene in the siRNA group was significantly reduced ( P < 0.05). SiRNA can increase the apoptosis of breast cancer cells by reducing the gene expression of SALL4 gene and Bcl-2; it can be used as a novel targeted therapy. This strategy, in addition to increasing the specificity of the drug, also reduces the side effects when compared with conventional chemotherapy.
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Affiliation(s)
- Amireza Hesari
- Department of Biotechnology, Faculty of Medicine, Arak University of Medical Sciences, Arak, Iran
| | | | - Samaneh Talebi
- Division of Human Genetics, Immunology Research Center, Avicenna Research Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Somayye Noruzi
- Student Research Committee, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Rezvan Mohammadi
- Student Research Committee, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Reza Salarinia
- Student Research Committee, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran.,Department of Medical Biotechnology and Molecular Sciences, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Reza Zare
- Student Research Committee, Faculty of Medicine, Arak University of Medical Sciences, Arak, Iran
| | - Faezeh Ghasemi
- Department of Biotechnology, Faculty of Medicine, Arak University of Medical Sciences, Arak, Iran.,Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Next to Milad Tower, Tehran, Iran
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27
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Xing F, Song Z, He Y. MiR-219-5p inhibits growth and metastasis of ovarian cancer cells by targeting HMGA2. Biol Res 2018; 51:50. [PMID: 30474570 PMCID: PMC6260846 DOI: 10.1186/s40659-018-0199-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Accepted: 11/18/2018] [Indexed: 12/31/2022] Open
Abstract
Background Accumulating studies have demonstrated that high-mobility group A2 (HMGA2), an oncofetal protein, plays a role in tumor development and progression. However, the molecular role of HMGA2 in ovarian carcinoma is yet to be established. MicroRNAs (miRNAs), a group of small noncoding RNAs, negatively regulate gene expression and their dysregulation has been implicated in tumorigenesis. The aim of this study was to investigate the potential involvement of a specific miRNA, miR-219-5p, in HMGA2-induced ovarian cancer. Methods The ovarian cancer cell line, SKOV3, was employed, and miR-219-5p and HMGA2 overexpression vectors constructed. The CCK-8 kit was used to determine cell proliferation and the Transwell® assay used to measure cell invasion and migration. RT-PCR and western blot analyses were applied to analyze the expression of miR-219-5p and HMGA2, and the luciferase reporter assay used to examine the interactions between miR-219-5p and HMGA2. Nude mice were employed to characterize in vivo tumor growth regulation. Results Expression of miR-219-5p led to suppression of proliferation, invasion and migration of the ovarian cancer cell line, SKOV3, by targeting HMGA2. The inhibitory effects of miR-219-5p were reversed upon overexpression of HMGA2. Data from the luciferase reporter assay showed that miR-219-5p downregulates HMGA2 via direct integration with its 3′-UTR. Consistent with in vitro findings, expression of miR-219-5p led to significant inhibition of tumor growth in vivo. Conclusion Our results collectively suggest that miR-219-5p inhibits tumor growth and metastasis by targeting HMGA2.
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Affiliation(s)
- Feng Xing
- Department of Obstetrics and Gynecology, Shanghai Tenth People's Hospital of Tongji University, Tongji University School of Medicine, No 301 Middle Yan Chang Road, Shanghai, 200072, China
| | - Zhijiao Song
- Department of Obstetrics and Gynecology, Shanghai Tenth People's Hospital of Tongji University, Tongji University School of Medicine, No 301 Middle Yan Chang Road, Shanghai, 200072, China
| | - Yuanying He
- Department of Obstetrics and Gynecology, Shanghai Tenth People's Hospital of Tongji University, Tongji University School of Medicine, No 301 Middle Yan Chang Road, Shanghai, 200072, China.
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miR-103/miR-195/miR-15b Regulate SALL4 and Inhibit Proliferation and Migration in Glioma. Molecules 2018; 23:molecules23112938. [PMID: 30423818 PMCID: PMC6278493 DOI: 10.3390/molecules23112938] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 11/01/2018] [Accepted: 11/07/2018] [Indexed: 01/13/2023] Open
Abstract
Glioma is the common highly malignant primary brain tumor. However, the molecular pathways that result in the pathogenesis of glioma remain elusive. In this study, we found that microRNA-103 (miR-103), microRNA-195 (miR-195), or microRNA-15b (miR-15b), which all have the same 5' "seed" miRNA portion and share common binding sites in the SALL4 3'-untranslated region (UTR), were downregulated in glioma tissues and cell lines. These miRNAs suppressed glioma cell proliferation, migration, and invasion, induced cell apoptosis, and decreased the level of the SALL4 protein, but not that of SALL4 mRNA, which was identified as a direct target of all three miRNAs. The caspase-3/7 activity expression in U251 cells overexpressing these miRNAs was rescued during SALL4 upregulation. An obvious inverse correlation was observed between SALL4 and miR-103 or miR-195 expression levels in clinical glioma samples. Moreover, enforced expression of SALL4 stimulated cell proliferation, migration, and invasion. In conclusion, these data suggest that miR-103, miR-195, and miR-15b post-transcriptionally downregulated the expression of SALL4 and suppressed glioma cell growth, migration, and invasion, and increased cell apoptosis. These results provide a potential therapeutic target that may downregulate SALL4 in glioma.
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Starczak M, Zarakowska E, Modrzejewska M, Dziaman T, Szpila A, Linowiecka K, Guz J, Szpotan J, Gawronski M, Labejszo A, Liebert A, Banaszkiewicz Z, Klopocka M, Foksinski M, Gackowski D, Olinski R. In vivo evidence of ascorbate involvement in the generation of epigenetic DNA modifications in leukocytes from patients with colorectal carcinoma, benign adenoma and inflammatory bowel disease. J Transl Med 2018; 16:204. [PMID: 30029654 PMCID: PMC6053776 DOI: 10.1186/s12967-018-1581-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Accepted: 07/17/2018] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND A characteristic feature of malignant cells, such as colorectal cancer cells, is a profound decrease in the level of 5-hydroxymethylcytosine, a product of 5-methylcytosine oxidation by TET enzymes. Recent studies showed that ascorbate may upregulate the activity of TET enzymes in cultured cells and enhance formation of their products in genomic DNA. METHODS The study included four groups of subjects: healthy controls (n = 79), patients with inflammatory bowel disease (IBD, n = 51), adenomatous polyps (n = 67) and colorectal cancer (n = 136). The list of analyzed parameters included (i) leukocyte levels of epigenetic DNA modifications and 8-oxo-7,8-dihydro-2'-deoxyguanosine, a marker of oxidatively modified DNA, determined by means of isotope-dilution automated online two-dimensional ultra-performance liquid chromatography with tandem mass spectrometry, (ii) expression of TET mRNA measured with RT-qPCR, and (iii) chromatographically-determined plasma concentrations of retinol, alpha-tocopherol and ascorbate. RESULTS Patients from all groups presented with significantly lower levels of 5-methylcytosine and 5-hydroxymethylcytosine in DNA than the controls. A similar tendency was also observed for 5-hydroxymethyluracil level. Patients with IBD showed the highest levels of 5-formylcytosine and 8-oxo-7,8-dihydro-2'-deoxyguanosine of all study subjects, and individuals with colorectal cancer presented with the lowest concentrations of ascorbate and retinol. A positive correlation was observed between plasma concentration of ascorbate and levels of two epigenetic modifications, 5-hydroxymethylcytosine and 5-hydroxymethyluracil in leukocyte DNA. Moreover, a significant difference was found in the levels of these modifications in patients whose plasma concentrations of ascorbate were below the lower and above the upper quartile for the control group. CONCLUSIONS These findings suggest that deficiency of ascorbate in the blood may be a marker of its shortage in other tissues, which in turn may correspond to deterioration of DNA methylation-demethylation. These observations may provide a rationale for further research on blood biomarkers of colorectal cancer development.
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Affiliation(s)
- Marta Starczak
- Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Karlowicza 24, 85-092, Bydgoszcz, Poland
| | - Ewelina Zarakowska
- Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Karlowicza 24, 85-092, Bydgoszcz, Poland
| | - Martyna Modrzejewska
- Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Karlowicza 24, 85-092, Bydgoszcz, Poland
| | - Tomasz Dziaman
- Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Karlowicza 24, 85-092, Bydgoszcz, Poland
| | - Anna Szpila
- Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Karlowicza 24, 85-092, Bydgoszcz, Poland
| | - Kinga Linowiecka
- Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Karlowicza 24, 85-092, Bydgoszcz, Poland
| | - Jolanta Guz
- Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Karlowicza 24, 85-092, Bydgoszcz, Poland
| | - Justyna Szpotan
- Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Karlowicza 24, 85-092, Bydgoszcz, Poland
| | - Maciej Gawronski
- Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Karlowicza 24, 85-092, Bydgoszcz, Poland
| | - Anna Labejszo
- Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Karlowicza 24, 85-092, Bydgoszcz, Poland
| | - Ariel Liebert
- Department of Vascular Diseases and Internal Medicine, Faculty of Health Sciences, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Ujejskiego 75, 85-168, Bydgoszcz, Poland
| | - Zbigniew Banaszkiewicz
- Department of Vascular Surgery and Angiology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, M. Curie Sklodowskiej 9, 85-094, Bydgoszcz, Poland.,Department of General, Gastrointestinal, Colorectal and Oncological Surgery, Jan Biziel University No. 2 in Bydgoszcz, Ujejskiego 75, 85-168, Bydgoszcz, Poland
| | - Maria Klopocka
- Department of Vascular Diseases and Internal Medicine, Faculty of Health Sciences, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Ujejskiego 75, 85-168, Bydgoszcz, Poland
| | - Marek Foksinski
- Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Karlowicza 24, 85-092, Bydgoszcz, Poland
| | - Daniel Gackowski
- Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Karlowicza 24, 85-092, Bydgoszcz, Poland.
| | - Ryszard Olinski
- Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Karlowicza 24, 85-092, Bydgoszcz, Poland.
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Dziaman T, Gackowski D, Guz J, Linowiecka K, Bodnar M, Starczak M, Zarakowska E, Modrzejewska M, Szpila A, Szpotan J, Gawronski M, Labejszo A, Liebert A, Banaszkiewicz Z, Klopocka M, Foksinski M, Marszalek A, Olinski R. Characteristic profiles of DNA epigenetic modifications in colon cancer and its predisposing conditions-benign adenomas and inflammatory bowel disease. Clin Epigenetics 2018; 10:72. [PMID: 29875879 PMCID: PMC5977551 DOI: 10.1186/s13148-018-0505-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Accepted: 05/17/2018] [Indexed: 01/10/2023] Open
Abstract
Background Active demethylation of 5-methyl-2'-deoxycytidine (5-mdC) in DNA occurs by oxidation to 5-(hydroxymethyl)-2'-deoxycytidine (5-hmdC) and further oxidation to 5-formyl-2'-deoxycytidine (5-fdC) and 5-carboxy-2'-deoxycytidine (5-cadC), and is carried out by enzymes of the ten-eleven translocation family (TETs 1, 2, 3). Decreased level of epigenetic DNA modifications in cancer tissue may be a consequence of reduced activity/expression of TET proteins. To determine the role of epigenetic DNA modifications in colon cancer development, we analyzed their levels in normal colon and various colonic pathologies. Moreover, we determined the expressions of TETs at mRNA and protein level.The study included material from patients with inflammatory bowel disease (IBD), benign polyps (AD), and colorectal cancer (CRC). The levels of epigenetic DNA modifications and 8-oxo-7,8-dihydro-2'-deoxyguanosine (8-oxodG) in examined tissues were determined by means of isotope-dilution automated online two-dimensional ultraperformance liquid chromatography with tandem mass spectrometry (2D-UPLC-MS/MS). The expressions of TET mRNA were measured with RT-qPCR, and the expressions of TET proteins were determined immunohistochemically. Results IBD was characterized by the highest level of 8-oxodG among all analyzed tissues, as well as by a decrease in 5-hmdC and 5-mdC levels (at a midrange between normal colon and CRC). AD had the lowest levels of 5-hmdC and 5-mdC of all examined tissues and showed an increase in 8-oxodG and 5-(hydroxymethyl)-2'-deoxyuridine (5-hmdU) levels. CRC was characterized by lower levels of 5-hmdC and 5-mdC, the lowest level of 5-fdC among all analyzed tissues, and relatively high content of 5-cadC. The expression of TET1 mRNA in CRC and AD was significantly weaker than in IBD and normal colon. Furthermore, CRC and AD showed significantly lower levels of TET2 and AID mRNA than normal colonic tissue. Conclusions Our findings suggest that a complex relationship between aberrant pattern of DNA epigenetic modification and cancer development does not depend solely on the transcriptional status of TET proteins, but also on the characteristics of premalignant/malignant cells. This study showed for the first time that the examined colonic pathologies had their unique epigenetic marks, distinguishing them from each other, as well as from normal colonic tissue. A decrease in 5-fdC level may be a characteristic feature of largely undifferentiated cancer cells.
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Affiliation(s)
- Tomasz Dziaman
- 1Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Torun, Poland.,7Department of Clinical Biochemistry, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Karlowicza 24, 85-095 Bydgoszcz, Poland
| | - Daniel Gackowski
- 1Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Torun, Poland
| | - Jolanta Guz
- 1Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Torun, Poland
| | - Kinga Linowiecka
- 1Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Torun, Poland
| | - Magdalena Bodnar
- 2Department of Clinical Pathomorphology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Torun, Poland.,6Department of Otolaryngology and Laryngeal Oncology, K. Marcinkowski University of Medical Sciences, Poznan, Poland
| | - Marta Starczak
- 1Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Torun, Poland
| | - Ewelina Zarakowska
- 1Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Torun, Poland
| | - Martyna Modrzejewska
- 1Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Torun, Poland
| | - Anna Szpila
- 1Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Torun, Poland
| | - Justyna Szpotan
- 1Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Torun, Poland
| | - Maciej Gawronski
- 1Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Torun, Poland
| | - Anna Labejszo
- 1Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Torun, Poland
| | - Ariel Liebert
- 4Department of Vascular Diseases and Internal Medicine, Faculty of Health Sciences, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Torun, Poland
| | - Zbigniew Banaszkiewicz
- 3Department of Surgery, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Torun, Poland
| | - Maria Klopocka
- 4Department of Vascular Diseases and Internal Medicine, Faculty of Health Sciences, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Torun, Poland
| | - Marek Foksinski
- 1Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Torun, Poland
| | - Andrzej Marszalek
- 2Department of Clinical Pathomorphology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Torun, Poland.,5Department of Oncologic Pathology and Prophylaxis, Poznan University of Medical Sciences and Greater Poland Cancer Center, Poznan, Poland
| | - Ryszard Olinski
- 1Department of Clinical Biochemistry, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Torun, Poland.,7Department of Clinical Biochemistry, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Karlowicza 24, 85-095 Bydgoszcz, Poland
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31
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Zhao J, Gao S, Zhu Y, Shen X. Significant role of microRNA‑219‑5p in diabetic retinopathy and its mechanism of action. Mol Med Rep 2018; 18:385-390. [PMID: 29749515 DOI: 10.3892/mmr.2018.8988] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Accepted: 01/29/2018] [Indexed: 11/06/2022] Open
Affiliation(s)
- Junying Zhao
- Department of Ophthalmology, Dahua Hospital, Shanghai 200237, P.R. China
| | - Sha Gao
- Department of Ophthalmology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200025, P.R. China
| | - Yanji Zhu
- Department of Ophthalmology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200025, P.R. China
| | - Xi Shen
- Department of Ophthalmology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200025, P.R. China
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Chen KHE, Bustamante K, Nguyen V, Walker AM. Involvement of miR-106b in tumorigenic actions of both prolactin and estradiol. Oncotarget 2018; 8:36368-36382. [PMID: 28422740 PMCID: PMC5482661 DOI: 10.18632/oncotarget.16755] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2017] [Accepted: 03/21/2017] [Indexed: 02/07/2023] Open
Abstract
Prolactin promotes a variety of cancers by an array of different mechanisms. Here, we have investigated prolactin's inhibitory effect on expression of the cell cycle-regulating protein, p21. Using a miRNA array, we identified a number of miRNAs upregulated by prolactin treatment, but one in particular that was strongly induced by prolactin and predicted to bind to the 3′UTR of p21 mRNA, miR-106b. By creating a p21 mRNA 3′UTR-luciferase mRNA construct, we demonstrated degradation of the construct in response to prolactin in human breast, prostate and ovarian cancer cell lines. Increased expression of miR-106b replicated, and anti-miR-106b counteracted, the effects of prolactin on degradation of the 3′UTR construct, p21 mRNA levels, and cell proliferation in breast (T47D) and prostate (PC3) cancer cells. Increased expression of miR-106b also stimulated migration of the very epithelioid T47D cell line. By contrast, anti-miR-106b dramatically decreased expression of the mesenchymal markers, SNAIL-2, TWIST-2, VIMENTIN, and FIBRONECTIN. Using signaling pathway inhibitors and the 3′UTR construct, induction of miR-106b by prolactin was determined to be mediated through the MAPK/ERK and PI3K/Akt pathways and not through Jak2/Stat5 in both T47D and PC3 cells. Prolactin activation of MAPK/ERK and PI3K/Akt also activates ERα in the absence of an ERα ligand. 17β-estradiol promoted degradation of the construct in both cell lines and pre-incubation in the estrogen antagonist, Fulvestrant, blocked the ability of both prolactin and 17β-estradiol to induce the construct-degrading activity. Together, these data support a convergence of the prolactin and 17β-estradiol miR-106b-elevating signaling pathways at ERα.
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Affiliation(s)
- Kuan-Hui Ethan Chen
- Division of Biomedical Sciences, University of California, Riverside, CA 92521, USA
| | - Karissa Bustamante
- Division of Biomedical Sciences, University of California, Riverside, CA 92521, USA
| | - Vi Nguyen
- Division of Biomedical Sciences, University of California, Riverside, CA 92521, USA
| | - Ameae M Walker
- Division of Biomedical Sciences, University of California, Riverside, CA 92521, USA
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Wang J, Xu W, Shao J, He Z, Ding Z, Huang J, Guo Q, Zou W. miR-219-5p targets CaMKIIγ to attenuate morphine tolerance in rats. Oncotarget 2018; 8:28203-28214. [PMID: 28423675 PMCID: PMC5438643 DOI: 10.18632/oncotarget.15997] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Accepted: 02/27/2017] [Indexed: 12/27/2022] Open
Abstract
Morphine tolerance is a clinical challenge in pain management. Emerging evidence suggests that microRNA (miRNA) plays a regulatory role in the development of morphine tolerance. miR-219-5p (miR-219) targets calmodulin-dependent protein kinase II γ (CaMKIIγ) to activate central pain sensitization via N-methyl-D-aspartate (NMDA) receptor. Therefore, we hypothesized that miR-219-5p attenuates morphine tolerance by targeting CaMKIIγ. We found that the expression of miR-219-5p was decreased significantly after chronic morphine treatment. Overexpression of miR-219-5p by lentivirus injection prevents the development of morphine tolerance. CaMKIIγ, the target gene of miR-219-5p was downregulated by overexpression of miR-219-5p both in vivo and in vitro. Furthermore, we found that lentiviral-mediated miR-219-5p decreased the expression of NMDA receptor subunit 1 (NR1), leading to attenuation of morphine tolerance. Overall, the data demonstrate that miR-219-5p plays a crucial role in alleviating morphine tolerance by inhibiting the CaMKII/NMDA receptor pathway. Overexpression of miR-219-5p may be a potential strategy to ameliorate morphine tolerance.
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Affiliation(s)
- Jian Wang
- Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Wei Xu
- Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Jiali Shao
- Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Zhenghua He
- Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Zhuofeng Ding
- Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Jiangju Huang
- Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Qulian Guo
- Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Wangyuan Zou
- Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
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Li J, Li L, Shen Y. Protective role of microRNA-219-5p inhibitor against spinal cord injury via liver receptor homolog-1/Wnt/β-catenin signaling pathway regulation. Exp Ther Med 2018; 15:3563-3569. [PMID: 29545884 DOI: 10.3892/etm.2018.5829] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Accepted: 12/13/2017] [Indexed: 12/20/2022] Open
Abstract
The present study aimed to investigate the role of microRNA (miR)-219-5p in spinal cord injury (SCI) and to examine the underlying molecular mechanism. SCI rat and cell models were conducted in the current study, while reverse transcription-quantitative polymerase chain reaction (RT-qPCR) was used to detect the level of miR-219-5p in the SCI mice and neurons. Bioinformatics analysis was applied to predict the target genes of miR-219-5p, and dual-luciferase reporter assay was performed to verify the prediction. In addition, MTT assay and flow cytometry were conducted to determine the cell viability and cell apoptosis of the neurons, respectively. Western blot analysis was also performed to detect the expression of associated proteins. The study results demonstrated that miR-219-5p was highly expressed in SCI mice and neurons, and directly targets liver receptor homolog-1 (LRH-1). The neuron viability was significantly reduced by SCI, however, it was recovered upon transfection with an miR-219-5p inhibitor. Neuron apoptosis was notably induced by SCI and inhibited by miR-219-5p inhibition. The LRH-1/Wnt/β-catenin signaling pathway was also inhibited by SCI, while it was significantly enhanced by the miR-219-5p inhibitor. Furthermore, LRH-1 overexpression eliminated the effects of the miR-219-5p inhibitor on SCI. In conclusion, these data indicated that the miR-219-5p inhibitor served a protective role in SCI via regulating the LRH-1/Wnt/β-catenin signaling pathway.
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Affiliation(s)
- Jie Li
- Department of Spinal Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei 050051, P.R. China
| | - Liqiang Li
- Department of Spinal Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei 050051, P.R. China
| | - Yong Shen
- Department of Spinal Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei 050051, P.R. China
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Li KP, Fang YP, Liao JQ, Duan JD, Feng LG, Luo XZ, Liang ZJ. Upregulation of miR‑598 promotes cell proliferation and cell cycle progression in human colorectal carcinoma by suppressing INPP5E expression. Mol Med Rep 2017; 17:2991-2997. [PMID: 29257251 PMCID: PMC5783518 DOI: 10.3892/mmr.2017.8207] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2016] [Accepted: 08/18/2017] [Indexed: 01/05/2023] Open
Abstract
Colorectal cancer (CRC) is one of the most common types of cancer worldwide. Recently, microRNAs (miRs) have been considered as novel therapeutic targets for the treatment of cancer. miR‑598 is a poorly investigated miR. The underlying mechanism of miR‑598 in CRC cells remains to be elucidated. In the present study, miR‑598 was demonstrated to be significantly upregulated in CRC tissue by analyzing data from The Cancer Genome Atlas and the Gene Expression Omnibus. The results of a polymerase chain reaction demonstrated that miR‑598 expression was significantly upregulated in CRC tissues and cells. Gain of function and loss of function assays demonstrated that miR‑598 significantly promoted cell proliferation and cell cycle progression. miR‑598 was demonstrated to modulate cell functions by regulating 72 kDa inositol polyphosphate‑5‑phosphatase (INPP5E). In addition, knockdown of INPP5E counteracted the growth arrest caused by an miR‑598‑inhibitor. In conclusion, the present study demonstrated that miR‑598 contributed to cell proliferation and cell cycle progression in CRC by targeting INPP5E.
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Affiliation(s)
- Kun-Ping Li
- Department of General Surgery, Huizhou First Hospital, Huizhou, Guangdong 516000, P.R. China
| | - Yong-Ping Fang
- Department of General Surgery, Huizhou First Hospital, Huizhou, Guangdong 516000, P.R. China
| | - Jin-Qi Liao
- Department of General Surgery, Huizhou First Hospital, Huizhou, Guangdong 516000, P.R. China
| | - Jin-Dong Duan
- Department of General Surgery, Huizhou First Hospital, Huizhou, Guangdong 516000, P.R. China
| | - Li-Guang Feng
- Department of General Surgery, Huizhou First Hospital, Huizhou, Guangdong 516000, P.R. China
| | - Xiao-Zai Luo
- Department of General Surgery, Huizhou First Hospital, Huizhou, Guangdong 516000, P.R. China
| | - Zhi-Jian Liang
- Department of General Surgery, Huizhou First Hospital, Huizhou, Guangdong 516000, P.R. China
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Wei C, Zhang X, He S, Liu B, Han H, Sun X. MicroRNA-219-5p inhibits the proliferation, migration, and invasion of epithelial ovarian cancer cells by targeting the Twist/Wnt/β-catenin signaling pathway. Gene 2017; 637:25-32. [DOI: 10.1016/j.gene.2017.09.012] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Revised: 08/09/2017] [Accepted: 09/06/2017] [Indexed: 12/31/2022]
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Sun X, Xu M, Liu H, Ming K. MicroRNA-219 is downregulated in non-small cell lung cancer and inhibits cell growth and metastasis by targeting HMGA2. Mol Med Rep 2017; 16:3557-3564. [PMID: 28714014 DOI: 10.3892/mmr.2017.7000] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2016] [Accepted: 04/21/2017] [Indexed: 11/05/2022] Open
Abstract
Lung cancer is the most commonly diagnosed cancer and the leading cause of cancer-associated mortality worldwide. Non-small cell lung cancer (NSCLC) is the predominant type of lung cancer, and accounts for ~85% of all lung cancer cases. An increasing number of studies suggest that microRNAs (miRs) may be involved in the regulation of NSCLC carcinogenesis and progression. However, the expression and function of miRNA-219 in NSCLC, and its underlying mechanisms of action, remain unknown. In the present study, miR-219 expression in NSCLC tissues and cell lines was determined using reverse transcription-quantitative polymerase chain reaction. Following transfection with miR-219 mimics, the effects of miR-219 overexpression on NSCLC cell proliferation, migration and invasion were examined. Furthermore, the miR-219 target in NSCLC was investigated. miR-219 was observed to be downregulated in NSCLC tissues and NSCLC cell lines. In addition, miR-219 was demonstrated to function as a tumor suppressor in NSCLC, through inhibiting cell proliferation, migration and invasion in vitro. Furthermore, high mobility group AT-hook 2 (HMGA2) was identified to be a direct target of miR-219 in NSCLC, and downregulation of HMGA2 suppressed NSCLC cell proliferation, migration and invasion in vitro. HMGA2 expression was upregulated in NSCLC tissues, and was inversely correlated with miR-219 expression. In conclusion, miR-219 functions as a tumor suppressor and may be important in inhibiting the growth and metastasis of NSCLC cells via directly targeting HMGA2. Therefore, miR-219 may present a potential novel therapeutic target for NSCLC.
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Affiliation(s)
- Xiaoping Sun
- Department of Emergency, Yidu Central Hospital of Weifang, Weifang Medical University, Weifang, Shandong 262500, P.R. China
| | - Min Xu
- Department of Emergency, Yidu Central Hospital of Weifang, Weifang Medical University, Weifang, Shandong 262500, P.R. China
| | - Haiyan Liu
- Department of Emergency, Yidu Central Hospital of Weifang, Weifang Medical University, Weifang, Shandong 262500, P.R. China
| | - Kunxiu Ming
- Department of Emergency Medicine, Weifang People's Hospital, Weifang, Shandong 261000, P.R. China
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38
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MiR-219-5p Inhibits the Growth and Metastasis of Malignant Melanoma by Targeting BCL-2. BIOMED RESEARCH INTERNATIONAL 2017; 2017:9032502. [PMID: 28884131 PMCID: PMC5572586 DOI: 10.1155/2017/9032502] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Accepted: 07/11/2017] [Indexed: 12/16/2022]
Abstract
Malignant melanoma is a very dangerous tumor which is resistant to conventional therapy. MicroRNA exerts a vital function in promoting or inhibiting tumor development. The research has investigated the expression and function of miR-219-5p in melanoma. As a result, miR-219-5p expression was distinctly reduced in melanoma tissues and cell lines and was negatively correlated with Bcl-2 protein level in melanoma. Patients with low miR-219-5p level represented obviously a low overall survival in comparison with patients with high miR-219-5p level. The upregulation of miR-219-5p inhibited melanoma growth and metastasis and strengthened melanoma cells chemosensitivity by targeting Bcl-2. Therefore, the modulation of miR-219-5p expression may be a novel treatment strategy in melanoma.
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Inaguma S, Lasota J, Wang Z, Czapiewski P, Langfort R, Rys J, Szpor J, Waloszczyk P, Okoń K, Biernat W, Ikeda H, Schrump DS, Hassan R, Miettinen M. Expression of ALCAM (CD166) and PD-L1 (CD274) independently predicts shorter survival in malignant pleural mesothelioma. Hum Pathol 2017; 71:1-7. [PMID: 28811252 DOI: 10.1016/j.humpath.2017.04.032] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2016] [Revised: 04/11/2017] [Accepted: 04/29/2017] [Indexed: 12/18/2022]
Abstract
Diffuse malignant mesothelioma of the pleura is a highly aggressive tumor typically associated with short survival. ALCAM (CD166), a type I transmembrane protein, is a member of the immunoglobulin superfamily. In normal cells, ALCAM regulates physiological processes such as angiogenesis and immune response. In cancer, it is associated with neoplastic progression, including invasion, migration, and metastasis. Furthermore, ALCAM is considered one of the cancer stem cell markers such as ALDH1 (ALDH1A1) and SALL4. The PD-L1 (CD274)/PD-1 (PDCD1, CD279) pathway is crucial for the modulation of immune responses in normal cells. Nevertheless, pathologic activation of the PD-L1/PD-1 pathway participates in immune evasion by tumor cells. Many PD-L1-expressing tumor cells have been identified in different types of cancer, including malignant mesothelioma. In this study, 175 well-characterized primary diffuse pleural mesotheliomas, including the epithelioid (n = 148), biphasic (n = 15), and sarcomatoid (n = 12) histotypes, were evaluated immunohistochemically for cancer stem cell markers (ALCAM, ALDH1, and SALL4) and PD-L1 expression. Twenty-five percent of the mesotheliomas (43/175) expressed ALCAM, whereas ALDH1 and SALL4 positivity was seen in 1% to 2% of cases. Thirty-three percent of the analyzed tumors (57/175) contained PD-L1-positive cells. Overall survival was significantly decreased in the cohort of patients with ALCAM- or PD-L1-positive tumors (both P < .01). Furthermore, the multivariate Cox hazards regression analysis identified ALCAM and PD-L1 (both P < 0.01) as potential independent risk factors. Thus, a combination of these 2 markers might be useful for prognostication and planning the treatment of patients with malignant pleural mesothelioma.
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Affiliation(s)
- Shingo Inaguma
- Laboratory of Pathology, National Cancer Institute, Bethesda, MD 20892; Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Japan 480-1195.
| | - Jerzy Lasota
- Laboratory of Pathology, National Cancer Institute, Bethesda, MD 20892
| | - Zengfeng Wang
- Laboratory of Pathology, National Cancer Institute, Bethesda, MD 20892
| | - Piotr Czapiewski
- Department of Pathomorphology, Medical University of Gdansk, Gdansk, Poland 80-210; Department of Pathology, Otto-von-Guericke University Magdeburg, Magdeburg, Germany 39106
| | - Renata Langfort
- Department of Pathology, National Tuberculosis and Lung Diseases Research Institute, Warsaw, Poland 01-138
| | - Janusz Rys
- Department of Tumor Pathology, Centre of Oncology, Maria Sklodowska-Curie Memorial Institute, Krakow Branch, Poland 31-115
| | - Joanna Szpor
- Department of Pathomorphology, Jagiellonian University, Krakow, Poland 31-007
| | - Piotr Waloszczyk
- Independent Laboratory of Pathology, Zdunomed, Szczecin, Poland 70-891
| | - Krzysztof Okoń
- Department of Pathomorphology, Jagiellonian University, Krakow, Poland 31-007
| | - Wojciech Biernat
- Department of Pathomorphology, Medical University of Gdansk, Gdansk, Poland 80-210
| | - Hiroshi Ikeda
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Japan 480-1195
| | - David S Schrump
- Thoracic and GI Oncology Branch, National Cancer Institute, Bethesda, MD 20892
| | - Raffit Hassan
- Thoracic and GI Oncology Branch, National Cancer Institute, Bethesda, MD 20892
| | - Markku Miettinen
- Laboratory of Pathology, National Cancer Institute, Bethesda, MD 20892
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40
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Inaguma S, Lasota J, Wang Z, Felisiak-Golabek A, Ikeda H, Miettinen M. Clinicopathologic profile, immunophenotype, and genotype of CD274 (PD-L1)-positive colorectal carcinomas. Mod Pathol 2017; 30:278-285. [PMID: 27813511 PMCID: PMC7900912 DOI: 10.1038/modpathol.2016.185] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Revised: 09/06/2016] [Accepted: 09/16/2016] [Indexed: 12/19/2022]
Abstract
The CD274 (PD-L1)/PDCD1 (PD-1) pathway is crucial for the modulation of immune responses and self-tolerance. Aberrantly expressed CD274 allows tumor cells to evade host immune system and is considered to be a mechanism of adaptive immune resistance. Inhibition of the CD274/PDCD1 immune checkpoint offers a promising new therapeutic strategy. Although CD274-expressing tumor cells have been identified in different types of tumors including colorectal cancer, clinicopathologic profile of these CD274-positive tumors has not been extensively studied. In this study, 454 primary colorectal carcinomas were analyzed histologically and immunohistochemically for CD274, mismatch repair (MMR) proteins, intestinal differentiation marker (CDX2), and stem cell markers (ALCAM, ALDH1A1, and SALL4). CD274-positive colorectal carcinomas (54/454 (12%)) usually (83%) involved the right or transverse colon with poorly differentiated and solid/medullary histology. On the basis of multivariate logistic regression analysis, CD274 positivity was significantly associated with poorly differentiated histotype (OR: 3.32; 95% CI: 1.46-7.51; P=0.004), MMR deficiency (OR: 10.0; 95% CI: 4.66-21.5; P<0.001), and 'stem-like' immunophenotype defined by the loss or weak expression of CDX2 and ALCAM-positivity (OR: 5.51; 95% CI: 1.66-18.3; P=0.005). Mutation analysis of 66 arbitrary selected colorectal carcinomas revealed that CD274-positive tumors usually (88%) carried the BRAF V600E mutation. Thus, colorectal carcinomas defined by CD274 positivity displayed features associated with tumors arising via the serrated neoplasia pathway. Moreover, colorectal carcinomas characterized by lack of CDX2 and prominent expression of ALCAM frequently (71%) showed CD274 positivity. This might suggest association of CD274 expression with 'stem-like' phenotype. Further evaluation of a larger cohort or experimental analyses would be needed to confirm this notion.
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Affiliation(s)
- Shingo Inaguma
- Laboratory of Pathology, National Cancer Institute, Bethesda, MD, USA,Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Jerzy Lasota
- Laboratory of Pathology, National Cancer Institute, Bethesda, MD, USA
| | - Zengfeng Wang
- Laboratory of Pathology, National Cancer Institute, Bethesda, MD, USA
| | | | - Hiroshi Ikeda
- Department of Pathology, Aichi Medical University School of Medicine, Nagakute, Japan
| | - Markku Miettinen
- Laboratory of Pathology, National Cancer Institute, Bethesda, MD, USA
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Wang Q, Zhu L, Jiang Y, Xu J, Wang F, He Z. miR-219-5p suppresses the proliferation and invasion of colorectal cancer cells by targeting calcyphosin. Oncol Lett 2017; 13:1319-1324. [PMID: 28454255 DOI: 10.3892/ol.2017.5570] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2015] [Accepted: 10/27/2016] [Indexed: 11/06/2022] Open
Abstract
MicroRNAs (miRNAs) are small non-coding RNAs involved in an array of biological processes, and their dysregulation is associated with tumor development and progression. One such miRNA, miR-219-5p, is abnormally expressed in patients with colorectal cancer (CRC). In the present study, reverse transcription-quantitative polymerase chain reaction was performed to measure miR-219-5p expression in cells from both CRC tumors, and surrounding healthy tissue. MTT and invasion assays were used to determine the role of miR-219-5p in regulating CRC cell proliferation and invasion, respectively. A luciferase assay was then performed to assess the binding of miR-219-5p to the CAPS gene that encodes calcyphosin protein. The present study confirmed that miR-219-5p expression is significantly downregulated in CRC tissue. miR-219-5p knockdown promoted the growth of HCT-8 cells and increased the expression of calcyphosin protein (CAPS). On the other hand, overexpressing miR-219-5p inhibited HCT-8 cell growth and invasion, and downregulated CAPS expression. In addition, CAPS was identified as the functional downstream target of miR-219-5p by directly targeting its 3'-untranslated region. Therefore, miR-219-5p may function as a tumor suppressor by decreasing CAPS expression, and subsequently inhibit tumor proliferation and invasion. These results indicate that novel therapeutic strategies that increase miR-219-5p expression may be developed to treat CRC.
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Affiliation(s)
- Quhui Wang
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, P.R. China
| | - Lirong Zhu
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, P.R. China
| | - Yasu Jiang
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, P.R. China
| | - Junfei Xu
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, P.R. China
| | - Feiran Wang
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, P.R. China
| | - Zhixian He
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, P.R. China
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Liu W, Xiao P, Wu H, Wang L, Kong D, Yu F. MicroRNA-98 Plays a Suppressive Role in Non-Small Cell Lung Cancer Through Inhibition of SALL4 Protein Expression. Oncol Res 2016; 25:975-988. [PMID: 27938506 PMCID: PMC7841028 DOI: 10.3727/096504016x14791726591124] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
MicroRNAs (miRs) have been demonstrated to be significantly associated with the development and progression of non-small cell lung cancer (NSCLC). However, the underlying mechanism of miR-98 in mediating the malignant phenotypes of NSCLC cells remains obscure. In this study, we found that miR-98 was significantly downregulated in NSCLC tissues compared to nontumor lung tissues. Downregulation of miR-98 was significantly associated with poor differentiation and advanced clinical stage. Restoration of miR-98 expression significantly decreased the proliferation, migration, and invasion of NSCLC A549 and H1229 cells. SALL4 was identified as a target gene of miR-98, and the protein expression of SALL4 was negatively regulated by miR-98 in NSCLC A549 and H1229 cells. Overexpression of SALL4 promoted A549 and H1229 cell proliferation, migration, and invasion and reversed the suppressive effects of miR-98 on the malignant phenotypes of A549 and H1229 cells. Moreover, SALL4 was found to be significantly upregulated in NSCLC tissues compared to the nontumor lung tissues. We then observed an inverse correlation between the miR-98 and SALL4 levels in NSCLC tissues. In vivo study revealed that miR-98 overexpression suppressed NSCLC growth. In summary, we demonstrate that miR-98 acts as a tumor suppressor in NSCLC cells by inhibiting the protein expression of its target gene SALL4. Therefore, our study highlights the importance of the miR-98/SALL4 axis in NSCLC.
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43
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Li C, Dong J, Han Z, Zhang K. MicroRNA-219-5p Represses the Proliferation, Migration, and Invasion of Gastric Cancer Cells by Targeting the LRH-1/Wnt/β-Catenin Signaling Pathway. Oncol Res 2016; 25:617-627. [PMID: 27983934 PMCID: PMC7841075 DOI: 10.3727/096504016x14768374457986] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
MicroRNAs (miRNAs) are reportedly involved in gastric cancer development and progression. In particular, miR-219-5p has been reported to be a tumor-associated miRNA in human cancer. However, the role of miR-219-5p in gastric cancer remains unclear. In this study, we investigated for the first time the potential role and underlying mechanism of miR-219-5p in the proliferation, migration, and invasion of human gastric cancer cells. miR-219-5p was found to be markedly decreased in gastric cancer tissues and cell lines compared with adjacent tissues and normal gastric epithelial cells. miR-219-5p mimics or anti-miR-219-5p was transfected into gastric cancer cell lines to overexpress or suppress miR-219-5p expression, respectively. Results showed that miR-219-5p overexpression significantly decreased the proliferation, migration, and invasion of gastric cancer cells. Conversely, miR-219-5p suppression demonstrated a completely opposite effect. Bioinformatics and luciferase reporter assays indicated that miR-219-5p targeted the 3′-untranslated region of the liver receptor homolog-1 (LRH-1), a well-characterized oncogene. Furthermore, miR-219-5p inhibited the mRNA and protein levels of LRH-1. LRH-1 mRNA expression was inversely correlated with miR-219-5p expression in gastric cancer tissues. miR-219-5p overexpression significantly decreased the Wnt/β-catenin signaling pathway in gastric cancer cells. Additionally, LRH-1 restoration can markedly reverse miR-219-5p-mediated tumor suppressive effects. Our study suggests that miR-219-5p regulated the proliferation, migration, and invasion of human gastric cancer cells by suppressing LRH-1. miR-219-5p may be a potential target for gastric cancer therapy.
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Affiliation(s)
- Chunsheng Li
- Department of Gastrointestinal Colorectal and Anal Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin, P.R. China
| | - Jingrong Dong
- Endoscopic Center, The Affiliated Hospital of Changchun University of Chinese Medicine, Changchun, Jilin, P.R. China
| | - Zhenqi Han
- Endoscopic Center, The Affiliated Hospital of Changchun University of Chinese Medicine, Changchun, Jilin, P.R. China
| | - Kai Zhang
- Department of Colorectal and Anal Surgery, The Second Hospital of Jilin University, Changchun, Jilin, P.R. China
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44
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Dirican E, Akkiprik M. Functional and clinical significance of SALL4 in breast cancer. Tumour Biol 2016; 37:11701-11709. [DOI: 10.1007/s13277-016-5150-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Accepted: 07/11/2016] [Indexed: 12/11/2022] Open
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