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Jiang W, Hu Y, Wang X, Zhang Q, Guo X, Cheng S, Chen L, Ying J, Zhang L, Jiang B. miR-125b-5p-MAPK1-C/EBPα feedback loop regulates all-trans retinoic acid resistance in acute promyelocytic leukemia. Gene 2023; 889:147806. [PMID: 37717613 DOI: 10.1016/j.gene.2023.147806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 08/29/2023] [Accepted: 09/14/2023] [Indexed: 09/19/2023]
Abstract
BACKGROUND Various studies have highlighted the significance of miR-125b-5p in tumour chemotherapy resistance; However, whether miR-125b-5p is associated with all-trans retinoic acid (ATRA) resistance in acute promyelocytic leukemia (APL) has not been reported. METHODS Drug-resistance-related factors in APL were predicted using the DRESIS database. The expression levels of miR-125b-5p in ATRA-sensitive and ATRA-resistant APL cells were determined using quantitative reverse transcription polymerase chain reaction (qRT-PCR). A nitrotetrazolium blue (NBT) reduction assay and flow cytometry (FCM) were used to detect the effect of miR-125b-5p on ATRA resistance in APL cells. An APL xenograft tumour mouse model was established to determine the effect of miR-125b-5p on ATRA resistance. A dual-luciferase gene reporter assay, qRT-PCR, and western blotting verified the regulation by miR-125b-5p of its target gene, MAPK1, and the MAPK1 downstream factor, C/EBPα. An NBT reduction assay and FCM were used to detect the effect of C/EBPα on ATRA resistance in APL cells. Western blotting and qRT-PCR were used to assess the regulation of miR-125b-5p and MAPK1 by C/EBPα. RESULTS miR-125b-5p expression levels were dramatically increased in ATRA-resistant APL cells. Both in vitro and in vivo experiments revealed that miR-125b-5p overexpression enhanced ATRA resistance in APL. miR-125b-5p promoted ATRA resistance by sponging MAPK1. C/EBPα was negatively regulated by miR-125b-5p, which in addition, regulated ATRA resistance in APL cells. C/EBPα also regulated the miR-125b-5p-MAPK1 axis. CONCLUSION The findings of this study indicate that the miR-125b-5p-MAPK1-C/EBPα feedback loop regulated ATRA resistance in APL. Thus, miR-125b-5p may be a promising target for treating ATRA resistance in APL.
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Affiliation(s)
- Wenjuan Jiang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Yongkang Hu
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Xian Wang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Qi Zhang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Xinlong Guo
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Siyu Cheng
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Langqun Chen
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Jiahui Ying
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Liang Zhang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China.
| | - Baoping Jiang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China.
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Molodtsova D, Guryev DV, Osipov AN. Composition of Conditioned Media from Radioresistant and Chemoresistant Cancer Cells Reveals miRNA and Other Secretory Factors Implicated in the Development of Resistance. Int J Mol Sci 2023; 24:16498. [PMID: 38003688 PMCID: PMC10671404 DOI: 10.3390/ijms242216498] [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: 10/13/2023] [Revised: 11/12/2023] [Accepted: 11/17/2023] [Indexed: 11/26/2023] Open
Abstract
Resistance to chemo- or radiotherapy is the main obstacle to consistent treatment outcomes in oncology patients. A deeper understanding of the mechanisms driving the development of resistance is required. This review focuses on secretory factors derived from chemo- and radioresistant cancer cells, cancer-associated fibroblasts (CAFs), mesenchymal stem cells (MSCs), and cancer stem cells (CSCs) that mediate the development of resistance in unexposed cells. The first line of evidence considers the experiments with conditioned media (CM) from chemo- and radioresistant cells, CAFs, MSCs, and CSCs that elevate resistance upon the ionizing radiation or anti-cancer drug exposure of previously untreated cells. The composition of CM revealed factors such as circular RNAs; interleukins; plasminogen activator inhibitor; and oncosome-shuttled lncRNAs, mRNAs, and miRNAs that aid in cellular communication and transmit signals inducing the chemo- and radioresistance of sensitive cancer cells. Data, demonstrating that radioresistant cancer cells become resistant to anti-neoplastic drug exposure and vice versa, are also discussed. The mechanisms driving the development of cross-resistance between chemotherapy and radiotherapy are highlighted. The secretion of resistance-mediating factors to intercellular fluid and blood brings attention to its diagnostic potential. Highly stable serum miRNA candidates were proposed by several studies as prognostic markers of radioresistance; however, clinical studies are needed to validate their utility. The ability to predict a treatment response with the help of the miRNA resistance status database will help with the selection of an effective therapeutic strategy. The possibility of miRNA-based therapy is currently being investigated with ongoing clinical studies, and such approaches can be used to alleviate resistance in oncology patients.
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Affiliation(s)
- Daria Molodtsova
- N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, 119991 Moscow, Russia;
- State Research Center—Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC—FMBC), 123098 Moscow, Russia;
| | - Denis V. Guryev
- State Research Center—Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC—FMBC), 123098 Moscow, Russia;
| | - Andreyan N. Osipov
- N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, 119991 Moscow, Russia;
- State Research Center—Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC—FMBC), 123098 Moscow, Russia;
- Joint Institute for Nuclear Research, 6 Joliot-Curie St., 141980 Dubna, Russia
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Maharati A, Moghbeli M. Role of microRNAs in regulation of doxorubicin and paclitaxel responses in lung tumor cells. Cell Div 2023; 18:11. [PMID: 37480054 PMCID: PMC10362644 DOI: 10.1186/s13008-023-00093-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 07/19/2023] [Indexed: 07/23/2023] Open
Abstract
Lung cancer as the leading cause of cancer related mortality is always one of the main global health challenges. Despite the recent progresses in therapeutic methods, the mortality rate is still significantly high among lung cancer patients. A wide range of therapeutic methods including chemotherapy, radiotherapy, and surgery are used to treat lung cancer. Doxorubicin (DOX) and Paclitaxel (TXL) are widely used as the first-line chemotherapeutic drugs in lung cancer. However, there is a significant high percentage of DOX/TXL resistance in lung cancer patients, which leads to tumor recurrence and metastasis. Considering, the side effects of these drugs in normal tissues, it is required to clarify the molecular mechanisms of DOX/TXL resistance to introduce the efficient prognostic and therapeutic markers in lung cancer. MicroRNAs (miRNAs) have key roles in regulation of different pathophysiological processes including cell division, apoptosis, migration, and drug resistance. MiRNA deregulations are widely associated with chemo resistance in various cancers. Therefore, considering the importance of miRNAs in chemotherapy response, in the present review, we discussed the role of miRNAs in regulation of DOX/TXL response in lung cancer patients. It has been reported that miRNAs mainly induced DOX/TXL sensitivity in lung tumor cells by the regulation of signaling pathways, autophagy, transcription factors, and apoptosis. This review can be an effective step in introducing miRNAs as the non-invasive prognostic markers to predict DOX/TXL response in lung cancer patients.
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Affiliation(s)
- Amirhosein Maharati
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Meysam Moghbeli
- Department of Medical Genetics and Molecular Medicine, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
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Geng N, Qi Y, Qin W, Li S, Jin H, Jiang Y, Wang X, Wei S, Wang P. Two microRNAs of plasma-derived small extracellular vesicles as biomarkers for metastatic non-small cell lung cancer. BMC Pulm Med 2023; 23:259. [PMID: 37452310 PMCID: PMC10347730 DOI: 10.1186/s12890-023-02538-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Accepted: 06/27/2023] [Indexed: 07/18/2023] Open
Abstract
BACKGROUND MicroRNAs (miRNAs) of plasma-derived small extracellular vesicles (sEVs) have been proven to be associated with metastasis in several types of cancer. This study aimed to detect miRNAs of plasma-derived sEVs as potential biomarkers for metastatic non-small cell lung cancer (NSCLC). METHODS We assessed the miRNA profiles of plasma-derived sEVs from healthy individuals as the control group (CT group), NSCLC patients without distant organ metastasis as the NM-NSCLC group and patients with distant organ metastasis as the M-NSCLC group. Next-generation sequencing (NGS) was performed on samples, and differentially expressed miRNAs (DEMs) of the three groups were screened. Kyoto Encyclopedia of Genes and Genomes (KEGG) and ClueGO were used to predict potential pathways of DEMs. MiRNA enrichment analysis and annotation tool (miEAA) was used to understand changes in the tumour microenvironment in NSCLC. Quantitative reverse transcription polymerase chain reaction (qRT‒PCR) analysis was used to validate target miRNAs. RESULT NGS was performed on 38 samples of miRNAs of plasma-derived sEVs, and DEMs were screened out between the above three groups. Regarding the distribution of DEMs in the NM-NSCLC and M-NSCLC groups, KEGG pathway analysis showed enrichment in focal adhesion and gap junctions and ClueGO in the Rap1 and Hippo signaling pathways; miEAA found that fibroblasts were over-represented. From our screening, miRNA-200c-3p and miRNA-4429 were found to be predictive DEMs among the CT, NM-NSCLC and M-NSCLC groups, and qRT‒PCR was applied to verify the results. Finally, it was revealed that expression levels of miR-200c-3p and miR-4429 were significantly upregulated in M-NSCLC patients. CONCLUSION This study identified miRNA-200c-3p and miRNA-4429 as potential biomarkers for NSCLC metastasis.
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Affiliation(s)
- Nan Geng
- Department of Respiratory Medicine, The Fourth Hospital of Hebei Medical University, Jiankang Road, Shijiazhuang, Hebei, 050011, P.R. China
| | - Yaopu Qi
- Department of Respiratory Medicine, The Fourth Hospital of Hebei Medical University, Jiankang Road, Shijiazhuang, Hebei, 050011, P.R. China
| | - Wenwen Qin
- Department of Respiratory Medicine, The Fourth Hospital of Hebei Medical University, Jiankang Road, Shijiazhuang, Hebei, 050011, P.R. China
| | - Si Li
- Department of Respiratory Medicine, The Fourth Hospital of Hebei Medical University, Jiankang Road, Shijiazhuang, Hebei, 050011, P.R. China
| | - Hao Jin
- Department of Respiratory Medicine, The Fourth Hospital of Hebei Medical University, Jiankang Road, Shijiazhuang, Hebei, 050011, P.R. China
| | - Yifang Jiang
- Department of Respiratory Medicine, The Fourth Hospital of Hebei Medical University, Jiankang Road, Shijiazhuang, Hebei, 050011, P.R. China
| | - Xiuhuan Wang
- Department of Respiratory Medicine, The Fourth Hospital of Hebei Medical University, Jiankang Road, Shijiazhuang, Hebei, 050011, P.R. China
| | - Shanna Wei
- Department of Respiratory Medicine, The Fourth Hospital of Hebei Medical University, Jiankang Road, Shijiazhuang, Hebei, 050011, P.R. China
| | - Ping Wang
- Department of Respiratory Medicine, The Fourth Hospital of Hebei Medical University, Jiankang Road, Shijiazhuang, Hebei, 050011, P.R. China.
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Sun Y, He P, Li L, Ding X. The significance of the crosstalk between ubiquitination or deubiquitination and ncRNAs in non-small cell lung cancer. Front Oncol 2023; 12:969032. [PMID: 36727069 PMCID: PMC9884829 DOI: 10.3389/fonc.2022.969032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 12/28/2022] [Indexed: 01/18/2023] Open
Abstract
Lung cancer (LC) remains the leading cause of cancer-related deaths worldwide, with extremely high morbidity and mortality rates. Non-small cell lung cancer (NSCLC) is the most critical type of LC. It seriously threatens the life and health of patients because of its early metastasis, late clinical symptoms, limited early screening methods, and poor treatment outcomes. Non-coding RNAs (ncRNAs), including microRNAs (miRNAs), long non-coding RNAs (lncRNAs), and circular RNAs (circRNAs), participate in cell proliferation, metastasis, and chemoresistance. Several previous studies have proven that ncRNAs are vital regulators of tumorigenesis. Ubiquitination plays the most crucial role in protein post-translational modification (PTM). Deubiquitination and ubiquitination form a homeostasis. In summary, ubiquitination and deubiquitination play essential roles in mediating the degradation or overexpression of a range of crucial proteins in various cancers. A growing number of researchers have found that interactions between ncRNAs and ubiquitination (or deubiquitination) play a crucial role in NSCLC. This review presents several typical examples of the important effects of ncRNAs and ubiquitination (or deubiquitination) in NSCLC, aiming to provide more creative ideas for exploring the diagnosis and treatment of NSCLC.
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Affiliation(s)
- Yiyang Sun
- Department of Gerontology and Geriatrics, Shengjing Hospital of China Medical University, Shenyang, China
| | - Ping He
- Department of Gerontology and Geriatrics, Shengjing Hospital of China Medical University, Shenyang, China,*Correspondence: Ping He,
| | - Li Li
- Department of Gerontology and Geriatrics, Shengjing Hospital of China Medical University, Shenyang, China
| | - Xue Ding
- General Medicine Department, Dalian Friendship Hospital, Dalian, China
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MiR-30a-5p/CHD1 axis enhances cisplatin sensitivity of ovarian cancer cells via inactivating the Wnt/β-catenin pathway. Anticancer Drugs 2022; 33:989-998. [DOI: 10.1097/cad.0000000000001397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Zhang M, Huang J, Wang Y, Nie Q, Zhang X, Yang Y, Mao G. Cathepsin a upregulation in glioma: A potential therapeutic target associated with immune infiltration. J Med Biochem 2022; 41:459-465. [PMID: 36381072 PMCID: PMC9618335 DOI: 10.5937/jomb0-35677] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 04/03/2022] [Indexed: 12/10/2023] Open
Abstract
BACKGROUND Glioma is the result of malignant transformation of glial cells in the white matter of the brain or spinal cord and accounts for approximately 80% of all intracranial malignancies. Cathepsin A (CTSA) is highly expressed in a variety of tumor tissues, but its role in glioma is poorly studied. This study analyses the relationship between CTSA, and glioma based on The Cancer Genome Atlas (TCGA). METHODS Data for glioma patients were collected from TCGA. The expression level of CTSA was compared between paired glioma tissues and normal tissues with Wilcoxon rank-sum test. In addition, the Wilcoxon ranksum test was also applied to analyze the relationship between clinicopathologic features and CTSA expression. Kaplan-Meier Plotter was applied to analyze OS, DSS and PFI. Immuno-infiltration analysis of BLCA was performed by single sample gene set enrichment analysis (ssGSEA) in the "GSVA" R package. RESULTS The CTSA was overexpressed in glioma tissues compared to normal tissues (P<0.001). The high expression of CTSA was significantly related to 1p/19q codeletion, IDH, WHO grade and histological type. Kaplan-Meier survival analysis showed that patients with glioma characterized with high expressed CTSA had a poorer OS (HR=2.16 P<0.001), DSS (HR=2.17 P<0.001) and PFI (HR=1.48 P<0.001) than patients with low CTSA expression. Moreover, High expressed CTSA was associated with immune cell infiltration. CONCLUSIONS CTSA may serve as a candidate prognostic biomarker for determining prognosis associated with immune infiltration in glioma.
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Affiliation(s)
- Ming Zhang
- The Third Medical Centre Chinese PLA (People's Liberation Army) General Hospital, Department of Neurosurgery, Beijing, China
| | - Jun Huang
- The Third Medical Centre Chinese PLA (People's Liberation Army) General Hospital, Department of Neurosurgery, Beijing, China
| | - Yunfei Wang
- The Third Medical Centre Chinese PLA (People's Liberation Army) General Hospital, Department of Neurosurgery, Beijing, China
| | - Qingbin Nie
- The Third Medical Centre Chinese PLA (People's Liberation Army) General Hospital, Department of Neurosurgery, Beijing, China
| | - Xinye Zhang
- The Third Medical Centre Chinese PLA (People's Liberation Army) General Hospital, Department of Neurosurgery, Beijing, China
| | - Yufeng Yang
- The Third Medical Centre Chinese PLA (People's Liberation Army) General Hospital, Department of Neurosurgery, Beijing, China
| | - Gengsheng Mao
- The Third Medical Centre Chinese PLA (People's Liberation Army) General Hospital, Department of Neurosurgery, Beijing, China
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Du X, Ding L, Huang S, Li F, Yan Y, Tang R, Ding X, Zhu Z, Wang W. Cathepsin L promotes chemresistance to neuroblastoma by modulating serglycin. Front Pharmacol 2022; 13:920022. [PMID: 36133820 PMCID: PMC9484481 DOI: 10.3389/fphar.2022.920022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 07/21/2022] [Indexed: 11/26/2022] Open
Abstract
Cathepsin L (CTSL), a lysosomal acid cysteine protease, is found to play a critical role in chemosencitivity and tumor progression. However, the potential roles and molecular mechanisms of CTSL in chemoresistance in neuroblastoma (NB) are still unclear. In this study, the correlation between clinical characteristics, survival and CTSL expression were assessed in Versteeg dataset. The chemoresistant to cisplatin or doxorubicin was detected using CCK-8 assay. Western blot was employed to detect the expression of CTSL, multi-drug resistance proteins, autophagy-related proteins and apoptosis-related proteins in NB cells while knocking down CTSL. Lysosome staining was analyzed to access the expression levels of lysosomes in NB cells. The expression of apoptosis markers was analyzed with immunofluorescence. Various datasets were analyzed to find the potential protein related to CTSL. In addition, a subcutaneous tumor xenografts model in M-NSG mice was used to assess tumor response to CTSL inhibition in vivo. Based on the validation dataset (Versteeg), we confirmed that CTSL served as a prognostic marker for poor clinical outcome in NB patients. We further found that the expression level of CTSL was higher in SK-N-BE (2) cells than in IMR-32 cells. Knocking down CTSL reversed the chemoresistance in SK-N-BE (2) cells. Furthermore, combination of CTSL inhibition and chemotherapy potently blocked tumor growth in vivo. Mechanistically, CTSL promoted chemoresistance in NB cells by up-regulating multi-drug resistance protein ABCB1 and ABCG2, inhibiting the autophagy level and cell apoptpsis. Furthermore, we observed six datasets and found that Serglycin (SRGN) expression was positively associated with CTSL expresssion. CTSL could mediate chemoresistance by up-regulating SRGN expression in NB cells and SRGN expression was positively correlated with poor prognosis of NB patients. Taken together, our findings indicate that the CTSL promotes chemoresistance to cisplatin and doxorubicin by up-regulating the expression of multi-drug resistance proteins and inhibiting the autophagy level and cell apoptosis in NB cells. Thus, CTSL may be a therapeutic target for overcoming chemoresistant to cisplatin and doxorubicin in NB patients.
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Affiliation(s)
- Xiaohuan Du
- Department of Pharmacy, Children’s Hospital of Soochow University, Suzhou, China
| | - Leyun Ding
- Department of Pharmacy, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
| | - Shungen Huang
- Department of Oncology, Children’s Hospital of Soochow University, Suzhou, China
| | - Fang Li
- Department of Pharmacy, Children’s Hospital of Soochow University, Suzhou, China
| | - Yinghui Yan
- Department of Pharmacy, Children’s Hospital of Soochow University, Suzhou, China
| | - Ruze Tang
- Department of Oncology, Children’s Hospital of Soochow University, Suzhou, China
| | - Xinyuan Ding
- Department of Pharmacy, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, China
- *Correspondence: Wenjuan Wang, ; Xinyuan Ding, ; Zengyan Zhu,
| | - Zengyan Zhu
- Department of Pharmacy, Children’s Hospital of Soochow University, Suzhou, China
- *Correspondence: Wenjuan Wang, ; Xinyuan Ding, ; Zengyan Zhu,
| | - Wenjuan Wang
- Department of Pharmacy, Children’s Hospital of Soochow University, Suzhou, China
- *Correspondence: Wenjuan Wang, ; Xinyuan Ding, ; Zengyan Zhu,
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Ge T, Zhang Y. Tanshinone IIA reverses oxaliplatin resistance in colorectal cancer through microRNA-30b-5p/AVEN axis. Open Med (Wars) 2022; 17:1228-1240. [PMID: 35892081 PMCID: PMC9281591 DOI: 10.1515/med-2022-0512] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 05/11/2022] [Accepted: 05/28/2022] [Indexed: 12/13/2022] Open
Abstract
This research aims to explore the role of Tanshinone IIA (Tan IIA) and microRNA (miR)-30b-5p in chemoresistance of colorectal cancer (CRC). The expression levels of miR-30b-5p and apoptosis and caspase activation inhibitor (AVEN) was detected by reverse transcription-quantitative polymerase chain reaction assay. The cell proliferation and apoptosis were examined by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) and flow cytometry assays. The target relationship between miR-30b-5p and AVEN was confirmed by Dual-luciferase reporter assay. Transwell assay was performed to assess CRC cells’ metastasis. Western blot was carried out to measure the apoptosis-related protein. The results showed that miR-30b-5p was lowly expressed in oxaliplatin-resistance CRC cells SW480 (SW480/R) compared to SW480 cells. Overexpression of miR-30b-5p significantly suppressed the malignant biological behaviors of SW480/R cells and significantly promoted the sensitivity of SW480/R cells to oxaliplatin by down-regulated AVEN expression. Besides, Tan IIA treatment upregulated miR-30b-5p expression in SW480/R cells. Moreover, miR-30b-5p upregulation strengthened the promoting effect of Tan IIA on the sensitivity of SW480/R cells to oxaliplatin. In conclusion, Tan IIA and miR-30b-5p could reverse oxaliplatin resistance of CRC cells and may thus be potential treatment strategies for treating patients with CRC.
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Affiliation(s)
- Tingrui Ge
- Department of Colorectal Surgery, The First People's Hospital of Lianyungang, Lianyungang, Jiangsu 222002, P.R. China
| | - Yonggang Zhang
- Department of Colorectal Surgery, The First People's Hospital of Lianyungang, Lianyungang, Jiangsu 222002, P.R. China
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Zhang Z, Cheng X, Jiang H, Gu J, Yin Y, Shen Z, Xu C, Pu Z, Li JB, Xu G. Quantitative proteomic analysis of glycosylated proteins enriched from urine samples with magnetic ConA nanoparticles identifies potential biomarkers for small cell lung cancer. J Pharm Biomed Anal 2021; 206:114352. [PMID: 34509662 DOI: 10.1016/j.jpba.2021.114352] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 08/21/2021] [Accepted: 08/28/2021] [Indexed: 01/08/2023]
Abstract
Lung cancer has high morbidity and mortality and small cell lung cancer (SCLC) is a highly invasive malignant tumor with a very unfavorable survival rate. Early diagnosis and treatment can result in better prognosis for the SCLC patients but current diagnostic methods are either invasive or incapable for large-scale screen. Therefore, discovering biomarkers for early diagnosis of SCLC is of importance. In this work, we covalently coupled Concanavalin A (ConA) to functionalized magnetic nanoparticles to obtain magnetic ConA-nanoparticles (ConA-NPs) for the enrichment of glycosylated proteins. We then purified glycosylated proteins in 36 urine samples from 9 healthy controls, 9 SCLC patients, 9 lung adenocarcinoma (LUAD) patients, and 9 lung squamous cell carcinoma (LUSC) patients. The purified glycosylated proteins were digested and analyzed by LC-MS/MS for identification and quantification. Among the 398 identified proteins, 20, 15, and 1 glycosylated protein(s), respectively, were upregulated in the urine of SCLC, LUAD, and LUSC patients. Immunoblotting experiments further demonstrated that cathepsin C and transferrin were significantly upregulated in the ConA-NP purified urine of SCLC patients. This work suggests that glycosylated cathepsin C and transferrin might be able to serve as potential biomarkers for the noninvasive diagnosis of SCLC patients.
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Affiliation(s)
- Zhiyu Zhang
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and College of Pharmaceutical Sciences, Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Soochow University, 199 Ren'ai Road, Suzhou, Jiangsu 215123, China; Medical School of Soochow University, 199 Ren'ai Road, Suzhou, Jiangsu 215123, China
| | - Xinyu Cheng
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and College of Pharmaceutical Sciences, Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Soochow University, 199 Ren'ai Road, Suzhou, Jiangsu 215123, China; Medical School of Soochow University, 199 Ren'ai Road, Suzhou, Jiangsu 215123, China
| | - Honglv Jiang
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and College of Pharmaceutical Sciences, Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Soochow University, 199 Ren'ai Road, Suzhou, Jiangsu 215123, China
| | - Jingyu Gu
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and College of Pharmaceutical Sciences, Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Soochow University, 199 Ren'ai Road, Suzhou, Jiangsu 215123, China; Medical School of Soochow University, 199 Ren'ai Road, Suzhou, Jiangsu 215123, China
| | - Yunfei Yin
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and College of Pharmaceutical Sciences, Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Soochow University, 199 Ren'ai Road, Suzhou, Jiangsu 215123, China; Medical School of Soochow University, 199 Ren'ai Road, Suzhou, Jiangsu 215123, China
| | - Zhijia Shen
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and College of Pharmaceutical Sciences, Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Soochow University, 199 Ren'ai Road, Suzhou, Jiangsu 215123, China; Medical School of Soochow University, 199 Ren'ai Road, Suzhou, Jiangsu 215123, China
| | - Changgang Xu
- School of Materials Science and Engineering, Xi'an University of Science and Technology, Xi'an 710054, China
| | - Zhongjian Pu
- Department of Oncology, Haian Hospital of Traditional Chinese Medicine, Haian, Jiangsu 226600, China
| | - Jia-Bin Li
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and College of Pharmaceutical Sciences, Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Soochow University, 199 Ren'ai Road, Suzhou, Jiangsu 215123, China.
| | - Guoqiang Xu
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and College of Pharmaceutical Sciences, Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Soochow University, 199 Ren'ai Road, Suzhou, Jiangsu 215123, China.
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Cansaran-Duman D, Yangın S, Çolak B. The role of vulpinic acid as a natural compound in the regulation of breast cancer-associated miRNAs. Biol Res 2021; 54:37. [PMID: 34743742 PMCID: PMC8574026 DOI: 10.1186/s40659-021-00360-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 10/27/2021] [Indexed: 12/30/2022] Open
Abstract
Background Breast cancer is the most frequently diagnosed cancer, and no effective treatment solution has yet been found. The number of studies based on the research of novel natural compounds in the treatment of breast cancer has been increasing in recent years. The anticancer properties of natural compounds are related to the regulation of microRNA (miRNA) expression. Therefore, changing the profile of miRNAs with the use of natural products is very important in cancer treatment. However, the role of vulpinic acid and related miRNAs in breast cancer progression remains unknown. Vulpinic acid, methyl (as2E)-2-(3-hydroxy-5-oxo-4-phenylfuran-2-ylidene)-2 phenylacetate, is a natural product extracted from the lichen species and shows an anticancer effect on different cancer cells. Methods This study examines the effects of vulpinic acid on the miRNA levels of breast cancer (MCF-7) cells and its relationship with cell proliferation and apoptosis levels. The antiproliferative effect of vulpinic acid was screened against MCF-7 breast cancer cells and MCF-12A breast epithelial cells using the xCELLigence real-time cell analysis system. We analyzed the altered miRNA expression profile in MCF-7 breast cancer cells versus MCF-12A cells following their response to vulpinic acid through microarray analysis. The microarray analysis results were confirmed through quantitative real-time PCR and bioinformatics analysis. Results The results of the miRNA array and bioinformatic analyses demonstrated that 12 miRNAs were specifically responsive to vulpinic acid in MCF-7 breast cancer cells. This is the first study to reveal that vulpinic acid inhibits the expression of 12 miRNAs and suppresses breast cancer cell proliferation. The study also revealed that vulpinic acid may downregulate the expression of 12 miRNAs by repressing the FOXO-3 gene. The miRNA targets were mainly found to play a role in the apoptosis, cell cycle and MAPK pathways. Moreover, Bcl-2, Bax, procaspase-3 and procaspase-9 protein levels were assessed by western blot analysis for validation of apoptosis at the protein level. Conclusion This study revealed the molecular mechanisms of vulpinic acid on breast cancer and showed that vulpinic acid regulates apoptosis signaling pathways by decreasing the expression of miRNAs. The miRNA expression patterns illuminate the underlying effect of vulpinic acid in breast cancer treatment. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s40659-021-00360-4.
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Affiliation(s)
| | - Sevcan Yangın
- Ankara University, Biotechnology Institute, Keçiören, Ankara, 06135, Turkey
| | - Betül Çolak
- Ankara University, Biotechnology Institute, Keçiören, Ankara, 06135, Turkey
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12
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Ashrafizadeh M, Mirzaei S, Hashemi F, Zarrabi A, Zabolian A, Saleki H, Sharifzadeh SO, Soleymani L, Daneshi S, Hushmandi K, Khan H, Kumar AP, Aref AR, Samarghandian S. New insight towards development of paclitaxel and docetaxel resistance in cancer cells: EMT as a novel molecular mechanism and therapeutic possibilities. Biomed Pharmacother 2021; 141:111824. [PMID: 34175815 DOI: 10.1016/j.biopha.2021.111824] [Citation(s) in RCA: 101] [Impact Index Per Article: 33.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 06/08/2021] [Accepted: 06/11/2021] [Indexed: 12/13/2022] Open
Abstract
Epithelial-to-mesenchymal transition (EMT) mechanism is responsible for metastasis and migration of cancer cells to neighboring cells and tissues. Morphologically, epithelial cells are transformed to mesenchymal cells, and at molecular level, E-cadherin undergoes down-regulation, while an increase occurs in N-cadherin and vimentin levels. Increasing evidence demonstrates role of EMT in mediating drug resistance of cancer cells. On the other hand, paclitaxel (PTX) and docetaxel (DTX) are two chemotherapeutic agents belonging to taxene family, capable of inducing cell cycle arrest in cancer cells via preventing microtubule depolymerization. Aggressive behavior of cancer cells resulted from EMT-mediated metastasis can lead to PTX and DTX resistance. Upstream mediators of EMT such as ZEB1/2, TGF-β, microRNAs, and so on are involved in regulating response of cancer cells to PTX and DTX. Tumor-suppressing factors inhibit EMT to promote PTX and DTX sensitivity of cancer cells. Furthermore, three different strategies including using anti-tumor compounds, gene therapy and delivery systems have been developed for suppressing EMT, and enhancing cytotoxicity of PTX and DTX against cancer cells that are mechanistically discussed in the current review.
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Affiliation(s)
- Milad Ashrafizadeh
- Faculty of Engineering and Natural Sciences, Sabanci University, Orta Mahalle, Üniversite Caddesi No. 27, Orhanlı, Tuzla, 34956 Istanbul, Turkey; Sabanci University Nanotechnology Research and Application Center (SUNUM), Tuzla, 34956 Istanbul, Turkey
| | - Sepideh Mirzaei
- Department of Biology, Faculty of Science, Islamic Azad University, Science and Research Branch, Tehran, Iran
| | - Farid Hashemi
- Department of Comparative Biosciences, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Ali Zarrabi
- Sabanci University Nanotechnology Research and Application Center (SUNUM), Tuzla, 34956 Istanbul, Turkey
| | - Amirhossein Zabolian
- Young Researchers and Elite Club, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Hossein Saleki
- Young Researchers and Elite Club, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Seyed Omid Sharifzadeh
- Young Researchers and Elite Club, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Leyla Soleymani
- Department of Biology, Faculty of Science, Urmia University, Urmia, Iran
| | - Salman Daneshi
- Department of Public Health, School of Health, Jiroft University of Medical Sciences, Jiroft, Iran
| | - Kiavash Hushmandi
- Department of Food Hygiene and Quality Control, Division of epidemiology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University, Mardan 23200, Pakistan
| | - Alan Prem Kumar
- Cancer Science Institute of Singapore and Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, 117599, Singapore; NUS Centre for Cancer Research (N2CR), Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117600, Singapore.
| | - Amir Reza Aref
- Belfer Center for Applied Cancer Science, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA; Vice President at Translational Sciences, Xsphera Biosciences Inc. 6 Tide Street, Boston, MA 02210, USA
| | - Saeed Samarghandian
- Noncommunicable Diseases Research Center, Neyshabur University of Medical Sciences, Neyshabur, Iran.
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13
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Qiu H, Shen X, Chen B, Chen T, Feng G, Chen S, Feng D, Xu Q. miR-30b-5p inhibits cancer progression and enhances cisplatin sensitivity in lung cancer through targeting LRP8. Apoptosis 2021; 26:261-276. [PMID: 33779882 DOI: 10.1007/s10495-021-01665-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/05/2021] [Indexed: 12/24/2022]
Abstract
Accumulated evidence has demonstrated that miRNAs are closely implicated in lung carcinogenesis. Herein, we explored the expression pattern of miR-30b-5p in lung cancer, and aimed to uncover miR-30b-5p roles in lung cancer progression and drug resistance. miR-30b-5p expression profiles in lung cancer tissues and the matched non-tumor tissues were determined by using qPCR. Cell viability, migration, invasion and in vivo tumorigenesis were determined by using the CCK-8, colony formation, wound healing, transwell chambers experiments and tumor xenograft models. RNA immunoprecipitation (RIP) and dual luciferase reporter experiments were applied to evaluate the relationship between miR-30b-5p and LRP8. The results demonstrated that miR-30b-5p showed a low expression profile in lung cancer tissues and cells, and closely linked to poor prognosis and malignant clinical process. Cell viability, migration, invasiveness and tumorigenesis were significantly weakened following miR-30b-5p overexpression in A549 and NCI-H1299 cells, while cell apoptosis rates were increased. In addition, miR-30b-5p was lowly expressed in A549/DDP (a cisplatin drug resistant cell line) as compared with A549 cells, and miR-30b-5p increased A549/DDP cell sensitivity to DDP. However, these above roles of miR-30b-5p were all significantly impaired following the overexpression of LRP8 which was overexpressed in lung cancer tissues. Collectively, this study demonstrated that miR-30b-5p functions as a tumor suppressor in lung cancer, and re-sensitizes lung cancer cells to DDP by targeting LRP8.
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Affiliation(s)
- Haitao Qiu
- Department of Thoracic Surgery, The Affiliated Cancer Hospital of Nanjing Medical University & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Collaborative Innovation Center for Cancer Personalized Medicine, No. 42, Baiziting, Xuanwu district, Nanjing, 210009, China.,The Fourth Clinical College of Nanjing Medical University, Nanjing, 210009, China
| | - Xiaokang Shen
- Department of Thoracic Surgery, The Affiliated Cancer Hospital of Nanjing Medical University & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Collaborative Innovation Center for Cancer Personalized Medicine, No. 42, Baiziting, Xuanwu district, Nanjing, 210009, China.,The Fourth Clinical College of Nanjing Medical University, Nanjing, 210009, China
| | - Bing Chen
- Department of Thoracic Surgery, The Affiliated Cancer Hospital of Nanjing Medical University & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Collaborative Innovation Center for Cancer Personalized Medicine, No. 42, Baiziting, Xuanwu district, Nanjing, 210009, China.,The Fourth Clinical College of Nanjing Medical University, Nanjing, 210009, China
| | - Tianming Chen
- Nanjing Medical University, Third Affiliated Hospital, Nanjing, 210009, China
| | - Guodong Feng
- Department of Interventional Therapy, The Affiliated Cancer Hospital of Nanjing Medical University & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing, 210009, China
| | - Shilin Chen
- Department of Thoracic Surgery, The Affiliated Cancer Hospital of Nanjing Medical University & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Collaborative Innovation Center for Cancer Personalized Medicine, No. 42, Baiziting, Xuanwu district, Nanjing, 210009, China.
| | - Dongjie Feng
- Department of Thoracic Surgery, The Affiliated Cancer Hospital of Nanjing Medical University & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Collaborative Innovation Center for Cancer Personalized Medicine, No. 42, Baiziting, Xuanwu district, Nanjing, 210009, China.
| | - Qiaoshu Xu
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory of Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210009, China.
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14
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Izzotti A, Coronel Vargas G, Pulliero A, Coco S, Vanni I, Colarossi C, Blanco G, Agodi A, Barchitta M, Maugeri A, Oliveri Conti G, Ferrante M, Sciacca S. Relationship between the miRNA Profiles and Oncogene Mutations in Non-Smoker Lung Cancer. Relevance for Lung Cancer Personalized Screenings and Treatments. J Pers Med 2021; 11:jpm11030182. [PMID: 33807865 PMCID: PMC7999775 DOI: 10.3390/jpm11030182] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 02/14/2021] [Accepted: 03/04/2021] [Indexed: 12/17/2022] Open
Abstract
Oncogene mutations may be drivers of the carcinogenesis process. MicroRNA (miRNA) alterations may be adaptive or pathogenic and can have consequences only when mutation in the controlled oncogenes occurs. The aim of this research was to analyze the interplay between miRNA expression and oncogene mutation. A total of 2549 miRNAs were analyzed in cancer tissue—in surrounding normal lung tissue collected from 64 non-smoking patients and in blood plasma. Mutations in 92 hotspots of 22 oncogenes were tested in the lung cancer tissue. MicroRNA alterations were related to the mutations occurring in cancer patients. Conversely, the frequency of mutation occurrence was variable and spanned from the k-ras and p53 mutation detected in 30% of patients to 20% of patients in which no mutation was detected. The prediction of survival at a 3-year follow up did not occur for mutation analysis but was, conversely, well evident for miRNA analysis highlighting a pattern of miRNA distinguishing between survivors and death in patients 3 years before this clinical onset. A signature of six lung cancer specific miRNAs occurring both in the lungs and blood was identified. The obtained results provide evidence that the analysis of both miRNA and oncogene mutations was more informative than the oncogene mutation analysis currently performed in clinical practice.
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Affiliation(s)
- Alberto Izzotti
- Department of Experimental Medicine, University of Genoa, 16132 Genoa, Italy
- UOC Mutagenesis and Cancer Prevention, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
- Correspondence:
| | | | - Alessandra Pulliero
- Department of Health Sciences, University of Genoa, 16132 Genoa, Italy; (G.C.V.); (A.P.)
| | - Simona Coco
- Lung Cancer Unit, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy; (S.C.); (I.V.)
| | - Irene Vanni
- Lung Cancer Unit, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy; (S.C.); (I.V.)
- Genetics of Rare Cancers, Department of Internal Medicine and Medical Specialties, University of Genoa, 16132 Genoa, Italy
| | - Cristina Colarossi
- Department of Experimental Oncology, Mediterranean Institute of Oncology (IOM), 95029 Catania, Italy; (C.C.); (G.B.); (M.F.); (S.S.)
| | - Giuseppina Blanco
- Department of Experimental Oncology, Mediterranean Institute of Oncology (IOM), 95029 Catania, Italy; (C.C.); (G.B.); (M.F.); (S.S.)
| | - Antonella Agodi
- Department of Medical and Surgical Sciences and Advanced Technologies “G.F. Ingrassia”, University of Catania, 95123 Catania, Italy; (A.A.); (M.B.); (A.M.); (G.O.C.)
| | - Martina Barchitta
- Department of Medical and Surgical Sciences and Advanced Technologies “G.F. Ingrassia”, University of Catania, 95123 Catania, Italy; (A.A.); (M.B.); (A.M.); (G.O.C.)
| | - Andrea Maugeri
- Department of Medical and Surgical Sciences and Advanced Technologies “G.F. Ingrassia”, University of Catania, 95123 Catania, Italy; (A.A.); (M.B.); (A.M.); (G.O.C.)
| | | | - Gea Oliveri Conti
- Department of Medical and Surgical Sciences and Advanced Technologies “G.F. Ingrassia”, University of Catania, 95123 Catania, Italy; (A.A.); (M.B.); (A.M.); (G.O.C.)
| | - Margherita Ferrante
- Department of Experimental Oncology, Mediterranean Institute of Oncology (IOM), 95029 Catania, Italy; (C.C.); (G.B.); (M.F.); (S.S.)
- Department of Medical and Surgical Sciences and Advanced Technologies “G.F. Ingrassia”, University of Catania, 95123 Catania, Italy; (A.A.); (M.B.); (A.M.); (G.O.C.)
| | - Salvatore Sciacca
- Department of Experimental Oncology, Mediterranean Institute of Oncology (IOM), 95029 Catania, Italy; (C.C.); (G.B.); (M.F.); (S.S.)
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15
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Dong B, Li S, Zhu S, Yi M, Luo S, Wu K. MiRNA-mediated EMT and CSCs in cancer chemoresistance. Exp Hematol Oncol 2021; 10:12. [PMID: 33579377 PMCID: PMC7881653 DOI: 10.1186/s40164-021-00206-5] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 01/30/2021] [Indexed: 02/07/2023] Open
Abstract
Cancer stem cells (CSCs) are a small group of cancer cells, which contribute to tumorigenesis and cancer progression. Cancer cells undergoing epithelial-to-mesenchymal transition (EMT) acquire the chemoresistant ability, which is regarded as an important feature of CSCs. Thus, there emerges an opinion that the generation of CSCs is considered to be driven by EMT. In this complex process, microRNAs (miRNAs) are found to play a key role. In order to overcome the drug resistance, inhibiting EMT as well as CSCs phenotype seem feasible. Thereinto, regulating the EMT- or CSCs-associated miRNAs is a crucial approach. Herein, we conduct this review to elaborate on the complicated interplay between EMT and CSCs in cancer chemoresistance, which is modulated by miRNAs. In addition, we elucidate the therapeutic strategy to overcome drug resistance through targeting EMT and CSCs.
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Affiliation(s)
- Bing Dong
- Department of Molecular Pathology, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, 450008 China
| | - Shiyu Li
- Department of Oncology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030 China
| | - Shuangli Zhu
- Department of Oncology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030 China
| | - Ming Yi
- Department of Oncology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030 China
| | - Suxia Luo
- Department of Medical Oncology, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, 450008 China
| | - Kongming Wu
- Department of Oncology, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030 China
- Department of Medical Oncology, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, 450008 China
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16
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Chang Y, Zhao C, Ding H, Wang T, Yang C, Nie X, Cai Y. Serum factor(s) from lung adenocarcinoma patients regulates the molecular clock expression. J Cancer Res Clin Oncol 2021; 147:493-498. [PMID: 33221997 DOI: 10.1007/s00432-020-03467-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 11/11/2020] [Indexed: 12/14/2022]
Abstract
Lung cancer is a leading cause of cancer-associated deaths worldwide. Lung cancer may lead to circadian disruption, which could contribute to the development of lung cancer. Recently, several studies using animal models indicated that tumors influence systemic circadian homeostasis in remote tissues. However, it is unclear whether carcinoma of the lungs influences remote circadian rhythm, whether this effect exists in humans, and whether signals from the tumor travel through the blood. In this study, we used a cell-based assay to determine whether serum from patients with lung adenocarcinoma could modulate the molecular clock. We found that the daily oscillation period of Bmal1 was significantly lengthened following treatment with serum from untreated lung adenocarcinoma patients. In addition, heat inactivation of this serum abolished the effect, suggesting that a heat-sensitive circulating factor(s) is present in the serum of untreated lung adenocarcinoma patients. Using real-time PCR, we also examined the mRNA abundance of Bmal1, Cry1, and Per1 in human osteosarcoma u2os cell line, HUVECs and A549 cell lines. The expression of Bmal1 was changed in A549 cells in the presence of sera from lung adenocarcinoma patients. Our study revealed a direct effect of serum from lung adenocarcinoma patients on the molecular clock.
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Affiliation(s)
- Yi Chang
- Department of Respiration, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, 100053, People's Republic of China
- Department of Neurobiology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, 100053, People's Republic of China
| | - Chunsong Zhao
- Department of Neurobiology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, 100053, People's Republic of China
- Key Laboratory for Neurodegenerative Diseases of the Ministry of Education, Beijing, 100053, People's Republic of China
- National Clinical Research Center for Geriatric Disorders, Beijing, 100053, People's Republic of China
| | - Hui Ding
- Department of Neurobiology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, 100053, People's Republic of China
- Key Laboratory for Neurodegenerative Diseases of the Ministry of Education, Beijing, 100053, People's Republic of China
| | - Ting Wang
- Department of Neurobiology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, 100053, People's Republic of China
- Key Laboratory for Neurodegenerative Diseases of the Ministry of Education, Beijing, 100053, People's Republic of China
| | - Caixia Yang
- Department of Neurobiology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, 100053, People's Republic of China
- Key Laboratory for Neurodegenerative Diseases of the Ministry of Education, Beijing, 100053, People's Republic of China
| | - Xiuhong Nie
- Department of Respiration, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, 100053, People's Republic of China
| | - Yanning Cai
- Department of Neurobiology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, 100053, People's Republic of China.
- Key Laboratory for Neurodegenerative Diseases of the Ministry of Education, Beijing, 100053, People's Republic of China.
- National Clinical Research Center for Geriatric Disorders, Beijing, 100053, People's Republic of China.
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17
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Pan G, Liu Y, Shang L, Zhou F, Yang S. EMT-associated microRNAs and their roles in cancer stemness and drug resistance. Cancer Commun (Lond) 2021; 41:199-217. [PMID: 33506604 PMCID: PMC7968884 DOI: 10.1002/cac2.12138] [Citation(s) in RCA: 135] [Impact Index Per Article: 45.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 11/30/2020] [Accepted: 01/18/2021] [Indexed: 12/15/2022] Open
Abstract
Epithelial‐to‐mesenchymal transition (EMT) is implicated in a wide array of malignant behaviors of cancers, including proliferation, invasion, and metastasis. Most notably, previou studies have indicated that both cancer stem‐like properties and drug resistance were associated with EMT. Furthermore, microRNAs (miRNAs) play a pivotal role in the regulation of EMT phenotype, as a result, some miRNAs impact cancer stemness and drug resistance. Therefore, understanding the relationship between EMT‐associated miRNAs and cancer stemness/drug resistance is beneficial to both basic research and clinical treatment. In this review, we preliminarily looked into the various roles that the EMT‐associated miRNAs play in the stem‐like nature of malignant cells. Then, we reviewed the interaction between EMT‐associated miRNAs and the drug‐resistant complex signaling pathways of multiple cancers including lung cancer, gastric cancer, gynecologic cancer, breast cancer, liver cancer, colorectal cancer, pancreatic cancer, esophageal cancer, and nasopharyngeal cancer. We finally discussed the relationship between EMT, cancer stemness, and drug resistance, as well as looked forward to the potential applications of miRNA therapy for malignant tumors.
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Affiliation(s)
- Guangtao Pan
- Department of Traditional Chinese Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, P. R. China
| | - Yuhan Liu
- Department of Traditional Chinese Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, P. R. China
| | - Luorui Shang
- Department of Traditional Chinese Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, P. R. China
| | - Fangyuan Zhou
- Department of Traditional Chinese Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, P. R. China
| | - Shenglan Yang
- Department of Traditional Chinese Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, P. R. China
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18
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Ghafouri-Fard S, Shoorei H, Abak A, Abbas Raza SH, Pichler M, Taheri M. Role of non-coding RNAs in modulating the response of cancer cells to paclitaxel treatment. Biomed Pharmacother 2020; 134:111172. [PMID: 33360156 DOI: 10.1016/j.biopha.2020.111172] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 12/12/2020] [Accepted: 12/15/2020] [Indexed: 02/07/2023] Open
Abstract
Paclitaxel is a chemotherapeutic substance that is administered for treatment of an extensive spectrum of human malignancies. In spite of its potent short-term effects against tumor cells, resistance to paclitaxel occurs in a number of patients precluding its long-term application in these patients. Non-coding RNAs have been shown to influence response of cancer cells to this chemotherapeutic agent via different mechanisms. Mechanistically, these transcripts regulate expression of several genes particularly those being involved in the apoptotic processes. Lots of in vivo and in vitro assays have demonstrated the efficacy of oligonucleotide-mediated microRNAs (miRNA)/ long non-coding RNAs (lncRNA) silencing in enhancement of response of cancer cells to paclitaxel. Therefore, targeted therapies against non-coding RNAs have been suggested as applicable modalities for combatting resistance to this agent. In the present review, we provide a summary of studies which assessed the role of miRNAs and lncRNAs in conferring resistance to paclitaxel.
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Affiliation(s)
- Soudeh Ghafouri-Fard
- Urogenital Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamed Shoorei
- Department of Anatomical Sciences, Faculty of Medicine, Birjand University of Medical Sciences, Birjand, Iran
| | - Atefe Abak
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sayed Haidar Abbas Raza
- College of Animal Science and Technology, Northwest A&F University, Yangling, Xianyang, China
| | - Martin Pichler
- Research Unit of Non-Coding RNAs and Genome Editing in Cancer, Division of Clinical Oncology, Department of Internal Medicine, Comprehensive Cancer Center Graz, Medical University of Graz, 8036 Graz, Austria; Department of Experimental Therapeutics, the University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
| | - Mohammad Taheri
- Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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A Compressive Review about Taxol ®: History and Future Challenges. Molecules 2020; 25:molecules25245986. [PMID: 33348838 PMCID: PMC7767101 DOI: 10.3390/molecules25245986] [Citation(s) in RCA: 132] [Impact Index Per Article: 33.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 12/15/2020] [Accepted: 12/16/2020] [Indexed: 12/17/2022] Open
Abstract
Taxol®, which is also known as paclitaxel, is a chemotherapeutic agent widely used to treat different cancers. Since the discovery of its antitumoral activity, Taxol® has been used to treat over one million patients, making it one of the most widely employed antitumoral drugs. Taxol® was the first microtubule targeting agent described in the literature, with its main mechanism of action consisting of the disruption of microtubule dynamics, thus inducing mitotic arrest and cell death. However, secondary mechanisms for achieving apoptosis have also been demonstrated. Despite its wide use, Taxol® has certain disadvantages. The main challenges facing Taxol® are the need to find an environmentally sustainable production method based on the use of microorganisms, increase its bioavailability without exerting adverse effects on the health of patients and minimize the resistance presented by a high percentage of cells treated with paclitaxel. This review details, in a succinct manner, the main aspects of this important drug, from its discovery to the present day. We highlight the main challenges that must be faced in the coming years, in order to increase the effectiveness of Taxol® as an anticancer agent.
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20
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Cui H, Arnst K, Miller DD, Li W. Recent Advances in Elucidating Paclitaxel Resistance Mechanisms in Non-small Cell Lung Cancer and Strategies to Overcome Drug Resistance. Curr Med Chem 2020; 27:6573-6595. [DOI: 10.2174/0929867326666191016113631] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 09/06/2019] [Accepted: 09/12/2019] [Indexed: 12/12/2022]
Abstract
Paclitaxel (PTX) is a first-line drug for late-stage non-small cell lung cancer (NSCLC) patients
who do not benefit from targeted therapy or immunotherapy. However, patients invariably develop
resistance to PTX upon prolonged treatments. Although diverse mechanisms leading to PTX
resistance have been well-documented in the literature, strategies to overcome PTX resistance in
NSCLC based on these mechanisms are still challenging. In this article, we reviewed recent advancements
elucidating major mechanisms of PTX resistance in NSCLC, including the overexpression of
ABC transporters, alternations to tubulin structures, and the involvement of cytokines, miRNAs, kinase
signaling pathways, and epithelial-mesenchymal transition. Potential markers of PTX resistance or
PTX response that could help to direct treatment decisions and restore cellular sensitivity to PTX were
also discussed. Finally, we summarized the corresponding strategies to overcome PTX resistance in
NSCLC cells, which might provide new insights into clinical trials and benefit lung cancer patients in
the future.
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Affiliation(s)
- Hongmei Cui
- Department of Pharmaceutical Science, University of Tennessee Health Science Center, Memphis, Tennessee 38163, United States
| | - Kinsie Arnst
- Department of Pharmaceutical Science, University of Tennessee Health Science Center, Memphis, Tennessee 38163, United States
| | - Duane D. Miller
- Department of Pharmaceutical Science, University of Tennessee Health Science Center, Memphis, Tennessee 38163, United States
| | - Wei Li
- Department of Pharmaceutical Science, University of Tennessee Health Science Center, Memphis, Tennessee 38163, United States
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21
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Khan K, Quispe C, Javed Z, Iqbal MJ, Sadia H, Raza S, Irshad A, Salehi B, Reiner Ž, Sharifi-Rad J. Resveratrol, curcumin, paclitaxel and miRNAs mediated regulation of PI3K/Akt/mTOR pathway: go four better to treat bladder cancer. Cancer Cell Int 2020; 20:560. [PMID: 33292283 PMCID: PMC7685642 DOI: 10.1186/s12935-020-01660-7] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Accepted: 11/16/2020] [Indexed: 02/06/2023] Open
Abstract
Bladder cancer (BC) is a leading cause of death among urothelial malignancies that more commonly affect male population. Poor prognosis and resistance to chemotherapy are the two most important characteristics of this disease. PI3K/Akt/mTOR signaling pathway has been considered pivotal in the regulation of proliferation, migration, invasiveness, and metastasis. Deregulation of PI3K/Akt/mTOR signaling has been found in 40% of bladder cancers. Several microRNAs (miRNAs) have been reported to interact with the PI3K/Akt/mTOR signaling pathway with a different possible role in proliferation and apoptosis in bladder cancer. Thus, miRNAs can be used as potential biomarkers for BC. Natural compounds have been in the spotlight for the past decade due to their effective anti-proliferative capabilities. However, little is known of its possible effects in bladder cancer. The aim of this review is to discuss the interplay between PI3K/Akt/mTOR, miRNAs, and natural compounds and emphasize the importance of miRNAs as biomarkers and resveratrol, curcumin and paclitaxel as a possible therapeutic approach against bladder cancer.
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Affiliation(s)
- Khushbukhat Khan
- Atta-Ur-Rahman School of Applied Biosciences (ASAB), National University of Sciences and Technology (NUST), Sector H-12, Islamabad, 44000, Pakistan
| | - Cristina Quispe
- Facultad de Ciencias de La Salud, Universidad Arturo Prat, Avda. Arturo Prat 2120, 1110939, Iquique, Chile
| | - Zeeshan Javed
- Lahore Garrison University, Main Campus, Sector C, Phase VI, DHA Lahore Pakistan, Lahore, Pakistan
| | - Muhammad Javed Iqbal
- Department of Biotechnology, Faculty of Sciences, University of Sialkot, Punjab, Pakistan
| | - Haleema Sadia
- Department of Biotechnology, BUITMS, Quetta, Pakistan
| | - Shahid Raza
- Lahore Garrison University, Main Campus, Sector C, Phase VI, DHA Lahore Pakistan, Lahore, Pakistan
| | - Asma Irshad
- Department of Life Sciences, University of Management Sciences, Lahore, Pakistan
| | - Bahare Salehi
- Medical Ethics and Law Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Željko Reiner
- Department of Internal Medicine, School of Medicine, University Hospital Centre Zagreb, University of Zagreb, Zagreb, Croatia
| | - Javad Sharifi-Rad
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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22
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Integrative p53, micro-RNA and Cathepsin Protease Co-Regulatory Expression Networks in Cancer. Cancers (Basel) 2020; 12:cancers12113454. [PMID: 33233599 PMCID: PMC7699684 DOI: 10.3390/cancers12113454] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 11/05/2020] [Accepted: 11/18/2020] [Indexed: 12/12/2022] Open
Abstract
Simple Summary This article describes an emerging area of significant interest in cancer and cell death and the relationships shared by these through the transcriptional regulation of cathepsin protease genes by micro-RNAs that are connected to p53 activation. While it has been demonstrated that the p53 protein can directly regulate some cathepsin genes and the expression of their upstream regulatory micro-RNAs, very little is known about what input the p53 isoform proteins may have in regulating this relationship. Herein, we draw attention to this important regulatory aspect in the context of describing mechanisms that are being established for the micro-RNA regulation of cathepsin protease genes and their collective use in diagnostic or prognostic assays. Abstract As the direct regulatory role of p53 and some of its isoform proteins are becoming established in modulating gene expression in cancer research, another aspect of this mode of gene regulation that has captured significant interest over the years is the mechanistic interplay between p53 and micro-RNA transcriptional regulation. The input of this into modulating gene expression for some of the cathepsin family members has been viewed as carrying noticeable importance based on their biological effects during normal cellular homeostasis and cancer progression. While this area is still in its infancy in relation to general cathepsin gene regulation, we review the current p53-regulated micro-RNAs that are generating significant interest through their regulation of cathepsin proteases, thereby strengthening the link between activated p53 forms and cathepsin gene regulation. Additionally, we extend our understanding of this developing relationship to how such micro-RNAs are being utilized as diagnostic or prognostic tools and highlight their future uses in conjunction with cathepsin gene expression as potential biomarkers within a clinical setting.
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23
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Zhang B, Tian L, Xie J, Chen G, Wang F. Targeting miRNAs by natural products: A new way for cancer therapy. Biomed Pharmacother 2020; 130:110546. [PMID: 32721631 DOI: 10.1016/j.biopha.2020.110546] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Revised: 07/13/2020] [Accepted: 07/20/2020] [Indexed: 02/06/2023] Open
Abstract
MicroRNAs (miRNAs) are short non-coding RNAs that regulate gene expression through mRNA degradation or translation inhibition. MiRNAs play important roles in a variety of biological processes, and dysregulation of miRNA expression is highly associated with cancer development. Individual miRNA regulates multiple gene expressions, enabling them to regulate multiple cellular signaling pathways simultaneously. Hence, miRNAs could be served as cancer biomarkers for diagnosis and prognosis, and also therapeutic targets. Recently, more and more evidences showed that natural products such as paclitaxel, curcumin, resveratrol, genistein or epigallocatechin-3-gallate exert their anti-proliferative and/or pro-apoptotic effects through regulating one or more miRNAs, leading to the inhibition of cancer cell growth, induction of apoptosis or enhancement of conventional cancer therapeutic efficacy. Herein, we outlined the recent advances in the regulation of miRNAs expression by the natural products and highlight the importance of these natural drugs as a potential strategy in cancer treatment. This review will help us better understand how natural products modulate miRNAs and contribute to the development of effective and safe natural drugs for therapeutic purposes.
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Affiliation(s)
- Beilei Zhang
- Engineering Research Center of Molecular and Neuro Imaging, Ministry of Education, School of Life Science and Technology, Xidian University, Xi'an 710071, China; Department of Gynecology and Obstetrics, Tangdu Hospital, The Fourth Military Medical University, Xi'an, Shaanxi, 710038, China
| | - Ling Tian
- Department of Medical Biochemistry and Molecular Biology, School of Medicine, Jinan University, 510632, Guangzhou, Guangdong, China
| | - Jinrong Xie
- Engineering Research Center of Molecular and Neuro Imaging, Ministry of Education, School of Life Science and Technology, Xidian University, Xi'an 710071, China
| | - Guo Chen
- Department of Medical Biochemistry and Molecular Biology, School of Medicine, Jinan University, 510632, Guangzhou, Guangdong, China.
| | - Fu Wang
- Engineering Research Center of Molecular and Neuro Imaging, Ministry of Education, School of Life Science and Technology, Xidian University, Xi'an 710071, China.
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24
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Yang J, Cui R, Liu Y. MicroRNA-212-3p inhibits paclitaxel resistance through regulating epithelial-mesenchymal transition, migration and invasion by targeting ZEB2 in human hepatocellular carcinoma. Oncol Lett 2020; 20:23. [PMID: 32774496 PMCID: PMC7406882 DOI: 10.3892/ol.2020.11884] [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: 01/11/2019] [Accepted: 04/01/2020] [Indexed: 12/13/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is one of the most common tumor malignances with poor chemotherapeutic efficiency due to chemoresistance. MicroRNAs (miRNAs) have essential roles in regulating chemoresistance. However, the mechanism underlying the involvement of miR-212-3p in paclitaxel (PTX) resistance in HCC remains unclear. PTX resistance was investigated in the present study by assessing cell viability, the half maximal inhibitory concentration of PTX, resistance-associated protein levels and apoptosis. The expression levels of miR-212-3p and zinc finger E-box binding homeobox 2 (ZEB2) were detected by reverse transcription-quantitative PCR and western blotting. The epithelial-mesenchymal transition (EMT), migration and invasion were evaluated by western blotting and transwell assay. The association between miR-212-3p and ZEB2 was investigating by the luciferase activity. The results showed that treatment of HCC cells with PTX inhibited cell viability and miR-212-3p level. Moreover, miR-212-3p was reduced and its overexpression resulted in decreased cell viability, half maximal inhibitory concentration (IC50) of PTX and levels of P-glycoprotein and glutathione S-transferase π, but increased cell apoptosis, in Huh7/PTX cells. However, miR-212-3p knockdown induced opposite effects in Huh7 cells. Furthermore, EMT, migration and invasion were induced in Huh7/PTX cells and the addition of miR-212-3p inhibited EMT, migration and invasion. Meanwhile, miR-212-3p abrogation caused the opposite effects in Huh7 cells. Additionally, ZEB2 was directly targeted by miR-212-3p and its restoration or silencing abated the effect of miR-221-3p overexpression or knockdown in Huh7/PTX or Huh7 cells, respectively. The data from the present study suggest that miR-212-3p attenuates PTX resistance, by regulating EMT, migration and invasion via targeting ZEB2 in HCC cells, indicating a novel target for HCC chemotherapy.
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Affiliation(s)
- Jianyu Yang
- Workshop of National TCM Master, Sun Guangrong, The Harmonizing School of TCM, Beijing University of Chinese Medicine, Haikou, Hainan 570208, P.R. China.,Inheritance Workshop in Beijing Hepingli Hospital for National TCM Master, Sun Guangrong, Haikou, Hainan 570208, P.R. China
| | - Ronghua Cui
- Department of Oncology, Affiliated Haikou Hospital of Xiangya Medical College, Central South University, Haikou, Hainan 570208, P.R. China
| | - Yingke Liu
- Department of Pediatrics, Beijing Hepingli Hospital, Beijing 100013, P.R. China
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25
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Lu K, Feng F, Yang Y, Liu K, Duan J, Liu H, Yang J, Wu M, Liu C, Chang Y. High-throughput screening identified miR-7-2-3p and miR-29c-3p as metastasis suppressors in gallbladder carcinoma. J Gastroenterol 2020; 55:51-66. [PMID: 31562534 DOI: 10.1007/s00535-019-01627-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Accepted: 09/01/2019] [Indexed: 02/04/2023]
Abstract
BACKGROUND Gallbladder carcinoma (GBC) is one of the most aggressive and lethal tumors, with extremely high metastatic activity and poor prognosis. Previously we have studied miRNAs that promote metastasis and progression of GBC, the aim of present study was to systematically elucidate the metastasis suppressor miRNAs in GBC. METHODS A novel designed high-throughput screening method that combined high content screening (HCS) and miRNA microarray analysis was conducted to filter out anti-metastatic miRNAs of GBC. Frozen samples were analyzed for the expression of goal miRNAs by real-time PCR. The biological functions of miRNAs were studied by transwell, immunoblot. Liver metastasis model via spleen injection was further examined in nude mice. Kaplan-Meier and Cox regression analyses were used to analyze the effect of goal miRNAs on overall survival. The target genes and interaction network of goal miRNAs were determined by whole transcriptome genome sequencing. RESULTS Out of the miRNAs library, a series of prominent metastatic suppressor miRNA candidates were filtered out. Among them, miR-7-2-3p and miR-29c-3p were discovered downregulated in GBC, and upregulation of them could reverse epithelial-mesenchymal transition and decrease the metastasis ability of GBC cells in vitro and in vivo, which was dominated by the miRNA-mRNA-lncRNA co-expression network. And DCLK1 and SLC36A1 are the direct target genes of miR-7-2-3p and miR-29c-3p. Moreover, the deficiency of miR-7-2-3p and miR-29c-3p was closely associated with poor prognosis of GBC patients. CONCLUSIONS Our findings indicate that miR-7-2-3p and miR-29c-3p play crucial roles in the pathogenesis and worse prognosis of GBCs, which may serve as prognosis biomarkers and promise potential therapeutic targets in the future.
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Affiliation(s)
- Kai Lu
- Biliary Tract Surgery Department, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, 200438, People's Republic of China
| | - Feiling Feng
- Biliary Tract Surgery Department, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, 200438, People's Republic of China
| | - Yingcheng Yang
- Organ Transplantation Department, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, 200438, People's Republic of China
| | - Kai Liu
- Biliary Tract Surgery Department, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, 200438, People's Republic of China
| | - Jicheng Duan
- Biliary Tract Surgery Department, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, 200438, People's Republic of China
| | - Hu Liu
- Biliary Tract Surgery Department, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, 200438, People's Republic of China
| | - Jiahe Yang
- Biliary Tract Surgery Department, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, 200438, People's Republic of China
| | - Mengchao Wu
- Hepatic Surgery Department, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, 200438, People's Republic of China
| | - Chen Liu
- Biliary Tract Surgery Department, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, 200438, People's Republic of China.
| | - Yanxin Chang
- Biliary Tract Surgery Department, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, 200438, People's Republic of China.
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26
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Gao Y, Zhang W, Liu C, Li G. miR-200 affects tamoxifen resistance in breast cancer cells through regulation of MYB. Sci Rep 2019; 9:18844. [PMID: 31827114 PMCID: PMC6906507 DOI: 10.1038/s41598-019-54289-6] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Accepted: 11/07/2019] [Indexed: 12/11/2022] Open
Abstract
Resistance to tamoxifen is a major clinical challenge. Research in recent years has identified epigenetic changes as mediated by dysregulated miRNAs that can possibly play a role in resistance to tamoxifen in breast cancer patients expressing estrogen receptor (ER). We report here elevated levels of EMT markers (vimentin and ZEB1/2) and reduced levels of EMT-regulating miR-200 (miR-200b and miR-200c) in ER-positive breast cancer cells, MCF-7, that were resistant to tamoxifen, in contrast with the naïve parental MCF-7 cells that were sensitive to tamoxifen. Further, we established regulation of c-MYB by miR-200 in our experimental model. C-MYB was up-regulated in tamoxifen resistant cells and its silencing significantly decreased resistance to tamoxifen and the EMT markers. Forced over-expression of miR-200b/c reduced c-MYB whereas reduced expression of miR-200b/c resulted in increased c-MYB We further confirmed the results in other ER-positive breast cancer cells T47D cells where forced over-expression of c-MYB resulted in induction of EMT and significantly increased resistance to tamoxifen. Thus, we identify a novel mechanism of tamoxifen resistance in breast tumor microenvironment that involves miR-200-MYB signaling.
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Affiliation(s)
- Yu Gao
- Department of General Surgery, Tianjin First Central Hospital, No.24, Fukang Road, Nankai District, Tianjin, 300204, China
| | - Wenzhi Zhang
- Innoscience Research Sdn Bhd, Suites B-5-7, Level 5, Sky Park @ One City, Jalan USJ 25/1, 47650, Subang Jaya, Selangor, Malaysia
| | - Chengwen Liu
- Department of Obstetrics and Gynecology, Maternity and Child Health Care of Zaozhuang, Zaozhuang, 277100, Shandong province, China
| | - Guanghua Li
- Department of General Surgery, The Second Hospital of Shandong University, No.247 Beiyuan Road, Tianqiao District, Jinan City, Shandong Province, 250033, China.
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27
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Liu G, Wang P, Zhang H. MiR-6838-5p suppresses cell metastasis and the EMT process in triple-negative breast cancer by targeting WNT3A to inhibit the Wnt pathway. J Gene Med 2019; 21:e3129. [PMID: 31693779 DOI: 10.1002/jgm.3129] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 08/19/2019] [Accepted: 09/18/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Triple-negative breast cancer (TNBC) has become a common tumor that harms women's physical and mental health, as characterized by a relatively rapid recurrence and a high incidence of brain metastasis. Research increasingly suggests that microRNAs play key roles in the progress of TNBC. However, the function of miR-6838-5p in TNBC has not yet been reported, and requires additional exploration. METHODS In the present study, we uncovered miR-6838-5p expression in TNBC cells via a quantitative reverse transcriptase-polymerase chain reaction. Functionally, the impacts of up-regulated or down-regulated miR-6838-5p on TNBC invasiveness, Wnt pathway activation and epithelial-mesenchymal transition (EMT) were investigated via transwell and western blot assays. Mechanical analyses were utilized to unmask the miR-6838-5p mechanism in TNBC, including luciferase reporter, western blot and RIP assays. Rescue assays manifested the miR-6838-5p/WNT3A network in TNBC invasiveness through the Wnt pathway. RESULTS Under-expressed miR-6838-5p was found in TNBC cells. Up-regulation of miR-6838-5p suppressed TNBC cell invasion, migration and blockade of the Wnt pathway. However, down-regulation of miR-6838-5p led to opposite results. Furthermore, we found, via luciferase reporter, western blot and RIP assays, that miR-6838-5p could bind with WNT3A and negatively regulate WNT3A expression. Through rescue experiments, we demonstrated that the overexpression of WNT3A partially rescued the miR-6838-5p overexpression-mediated inhibitory effect, and knockdown of WNT3A partially rescued the miR-6838-5p suppression-mediated promotive effect on the progression of TNBC. CONCLUSIONS In summary, the results of the present study indicate that miR-6838-5p suppresses cell proliferation, metastasis and the EMT process in TNBC by targeting WNT3A to inhibit the Wnt pathway, which may provide a new insight into the therapeutic strategies of TNBC.
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Affiliation(s)
- Guozhu Liu
- Department 1 of Breast Surgery, Linyi Cancer Hospital, Linyi, Shandong, China
| | - Ping Wang
- Department 1 of Breast Surgery, Linyi Cancer Hospital, Linyi, Shandong, China
| | - Hao Zhang
- Department of Oncological Radiotherapy, Wenzhou Central Hospital, Zhejiang Province, China
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28
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Ma X, Liang AL, Liu YJ. Research progress on the relationship between lung cancer drug-resistance and microRNAs. J Cancer 2019; 10:6865-6875. [PMID: 31839821 PMCID: PMC6909942 DOI: 10.7150/jca.31952] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2018] [Accepted: 09/13/2019] [Indexed: 02/07/2023] Open
Abstract
Lung cancer, a malignant tumor with the highest death rate of cancer, seriously endangers human health. And its pathogenesis and mechanism of drug resistance has been partially clarified, especially for the signal pathway of epidermal growth factor receptor (EGFR). The targeting therapy of EGFR signaling pathway in non-small cell lung cancer (NSCLC) has achieved a certain effect, but the two mutation of EGFR and other mechanisms of lung cancer resistance still greatly reduce the therapeutic effect of chemotherapy on it. MicroRNA is an endogenous non coding RNA, which has a regulatory function after transcriptional level. Recent studies on the mechanism of lung cancer resistance have found that a variety of microRNAs are related to the mechanism of lung cancer drug-resistance. They can regulate lung cancer resistance by participating in signal pathways, drug resistance genes and cell apoptosis, thus affecting the sensitivity of cancer cells to drugs. Therefore, microRNAs can be used as a specific target for the treatment of lung cancer and plays a vital role in the early diagnosis, prognosis and treatment of lung cancer. This article reviews the mechanisms of lung cancer resistance and its relationship with microRNAs.
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Affiliation(s)
- Xuan Ma
- Medical Molecular Diagnostics Key Laboratory of Guangdong & Departments of Biochemistry and Molecular Biology & Departments of Clinical Biochemistry, Guangdong Medical University, 523808, Dongguan, Guangdong, P.R. China
| | - Ai-Ling Liang
- Medical Molecular Diagnostics Key Laboratory of Guangdong & Departments of Biochemistry and Molecular Biology & Departments of Clinical Biochemistry, Guangdong Medical University, 523808, Dongguan, Guangdong, P.R. China
| | - Yong-Jun Liu
- Medical Molecular Diagnostics Key Laboratory of Guangdong & Departments of Biochemistry and Molecular Biology & Departments of Clinical Biochemistry, Guangdong Medical University, 523808, Dongguan, Guangdong, P.R. China
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29
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Zhao Y, Shen X, Zhu Y, Wang A, Xiong Y, Wang L, Fei Y, Wang Y, Wang W, Lin F, Liang Z. Cathepsin L-mediated resistance of paclitaxel and cisplatin is mediated by distinct regulatory mechanisms. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2019; 38:333. [PMID: 31370861 PMCID: PMC6670178 DOI: 10.1186/s13046-019-1299-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Accepted: 06/28/2019] [Indexed: 12/27/2022]
Abstract
Background Cathepsin L (CTSL) is a cysteine protease known to have important roles in regulating cancer cellular resistance to chemotherapy. However mechanism underlying which regulates CTSL-mediated drug resistance remain largely unknown. Methods We used NSCLC cell lines: A549, A549/TAX (paclitaxel-resistant), A549/DDP (cisplatin-resistant), H460 and PC9 cells, to evaluate CTSL and drug resistance changes. Tumor specimens from 53 patients with NSCLC and Xenograft models was also utilized to explore the regulatory relationship of CTSL, TGF-β, Egr-1 and CREB. Results TGF-β and smad3 were overexpressed only in A549/TAX cells, silencing TGF-β or smad3 in A549/TAX cells decreased the expression of CTSL and enhanced their sensitivity to paclitaxel. Smad3 binds to the Smad-binding-element(SBE) of the CTSL promoter, resulting in increased activity of the CTSL promoter and subsequent CTSL. Egr-1 and CREB were overexpressed only in A549/DDP cells, and silencing Egr-1 or CREB reduced the expression of CTSL and increased cisplatin cytotoxicity. CREB could affect the activity of the CTSL promoter by binding to it. And the potential regulatory factors of CTSL were consistent in vivo and in human lung cancer. These different regulatory mechanisms of CTSL-mediated drug resistance exist in two other NSCLC cell lines. Conclusion CTSL-mediated drug resistance to paclitaxel and cisplatin may be modulated by different mechanisms. The results of our study identified different mechanisms regulating CTSL-mediated drug resistance and identified smad3 as a novel regulator of CTSL. Electronic supplementary material The online version of this article (10.1186/s13046-019-1299-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Yifan Zhao
- Department of Pharmacology, College of Pharmaceutical Sciences, Soochow University, Ren'ai Road 199, Suzhou, 215000, China.,Department of neurosurgery, Suzhou Kowloon Hospital, Shanghai Jiaotong University School of Medicine, Suzhou, 215000, China
| | - Xiao Shen
- Department of Pharmacology, College of Pharmaceutical Sciences, Soochow University, Ren'ai Road 199, Suzhou, 215000, China
| | - Ying Zhu
- Department of Pharmacology, College of Pharmaceutical Sciences, Soochow University, Ren'ai Road 199, Suzhou, 215000, China
| | - Anqi Wang
- Department of neurosurgery, Suzhou Kowloon Hospital, Shanghai Jiaotong University School of Medicine, Suzhou, 215000, China
| | - Yajie Xiong
- Department of Pharmacology, College of Pharmaceutical Sciences, Soochow University, Ren'ai Road 199, Suzhou, 215000, China
| | - Long Wang
- Department of Pharmacology, College of Pharmaceutical Sciences, Soochow University, Ren'ai Road 199, Suzhou, 215000, China
| | - Yao Fei
- Department of Pharmacology, College of Pharmaceutical Sciences, Soochow University, Ren'ai Road 199, Suzhou, 215000, China
| | - Yan Wang
- Department of Pharmacology, College of Pharmaceutical Sciences, Soochow University, Ren'ai Road 199, Suzhou, 215000, China
| | - Wenjuan Wang
- Department of Pharmacology, College of Pharmaceutical Sciences, Soochow University, Ren'ai Road 199, Suzhou, 215000, China.,Department of Pharmacy, Children's Hospital of Soochow University, Suzhou, 215000, China
| | - Fang Lin
- Department of Pharmacology, College of Pharmaceutical Sciences, Soochow University, Ren'ai Road 199, Suzhou, 215000, China.
| | - Zhongqin Liang
- Department of Pharmacology, College of Pharmaceutical Sciences, Soochow University, Ren'ai Road 199, Suzhou, 215000, China.
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30
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Soond SM, Kozhevnikova MV, Zamyatnin AA. 'Patchiness' and basic cancer research: unravelling the proteases. Cell Cycle 2019; 18:1687-1701. [PMID: 31213124 DOI: 10.1080/15384101.2019.1632639] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The recent developments in Cathepsin protease research have unveiled a number of key observations which are fundamental to further our understanding of normal cellular homeostasis and disease. By far, the most interesting and promising area of Cathepsin biology stems from how these proteins are linked to the fate of living cells through the phenomenon of Lysosomal Leakage and Lysosomal Membrane Permeabilisation. While extracellular Cathepsins are generally believed to be of central importance in tumour progression, through their ability to modulate the architecture of the Extracellular Matrix, intracellular Cathepsins have been established as being of extreme significance in mediating cell death through Apoptosis. With these two juxtaposed key research areas in mind, the focus of this review highlights recent advancements in how this fast-paced area of Cathepsin research has recently evolved in the context of their mechanistic regulation in cancer research. Abbreviations : ECM, Extracellular Matrix; MMP, Matrix Metalloproteases; LL, Lysosomal Leakage; LMP, Lysosomal Membrane Permeabilisation; LMA, Lysosomorphic Agents; BC, Breast Cancer; ASM, Acid Sphingomyelinase; TNF-α, Tumor Necrosis Factor-alpha; LAMP, Lysosomal Associated membrane Protein; PCD, Programmed Cell Death; PDAC, Pancreatic Ductal Adenocarcinoma; ROS, Reactive Oxygen Species; aa, amino acids.
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Affiliation(s)
- Surinder M Soond
- a Institute of Molecular Medicine , Sechenov First Moscow State Medical University , Moscow , Russian Federation
| | - Maria V Kozhevnikova
- a Institute of Molecular Medicine , Sechenov First Moscow State Medical University , Moscow , Russian Federation
| | - Andrey A Zamyatnin
- a Institute of Molecular Medicine , Sechenov First Moscow State Medical University , Moscow , Russian Federation.,b Belozersky Institute of Physico-Chemical Biology , Lomonosov Moscow State University , Moscow , Russian Federation
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31
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Abstract
Cathepsins (CTS) are mainly lysosomal acid hydrolases extensively involved in the prognosis of different diseases, and having a distinct role in tumor progression by regulating cell proliferation, autophagy, angiogenesis, invasion, and metastasis. As all these processes conjunctively lead to cancer progression, their site-specific regulation might be beneficial for cancer treatment. CTS regulate activation of the proteolytic cascade and protein turnover, while extracellular CTS is involved in promoting extracellular matrix degradation and angiogenesis, thereby stimulating invasion and metastasis. Despite cancer regulation, the involvement of CTS in cellular adaptation toward chemotherapy and radiotherapy augments their therapeutic potential. However, lysosomal permeabilization mediated cytosolic translocation of CTS induces programmed cell death. This complex behavior of CTS generates the need to discuss the different aspects of CTS associated with cancer regulation. In this review, we mainly focused on the significance of each cathepsin in cancer signaling and their targeting which would provide noteworthy information in the context of cancer biology and therapeutics.
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Affiliation(s)
- Tejinder Pal Khaket
- Department of Biotechnology, Daegu University, Gyeongsan, Gyeongbuk 38453, Republic of Korea
| | - Taeg Kyu Kwon
- Department of Immunology, School of Medicine, Keimyung University, Dalseo-Gu, Daegu 704-701, Republic of Korea.
| | - Sun Chul Kang
- Department of Biotechnology, Daegu University, Gyeongsan, Gyeongbuk 38453, Republic of Korea.
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32
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Liu C, Hu W, Li LL, Wang YX, Zhou Q, Zhang F, Song-Yang YY, Zhu W, Sun CC, Li DJ. Roles of miR-200 family members in lung cancer: more than tumor suppressors. Future Oncol 2018; 14:2875-2886. [PMID: 30208739 DOI: 10.2217/fon-2018-0155] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
miRNAs are a class of single-stranded noncoding RNAs, which have no coding potential, but modulate many molecular mechanisms including cancer pathogenesis. miRNAs participate in cell proliferation, differentiation, apoptosis, as well as carcinogenesis or cancer progression, and their involvement in lung cancer has been recently shown. They are suggested to have bidirectional functions on important cancer-related genes so as to enhance or attenuate tumor genesis. Epithelial-mesenchymal transition (EMT) is a fundamental process which contributes to integrity of organogenesis and tissue differentiation as well as tissue repair, organ fibrosis and the progression of carcinoma, and several miRNAs were suggested to form the network regulating EMT in lung cancer, among which, miR-200 family members (miR-200a, miR-200b, miR-200c, miR-429 and miR-141) play crucial roles in the suppression of EMT.
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Affiliation(s)
- Cong Liu
- Department of Occupational & Environmental Health, Wuhan University School of Health Sciences, Wuhan, Hubei 430071, PR China
| | - Wei Hu
- Department of Occupational & Environmental Health, Wuhan University School of Health Sciences, Wuhan, Hubei 430071, PR China
| | - Lin-Lin Li
- Department of Occupational & Environmental Health, Wuhan University School of Health Sciences, Wuhan, Hubei 430071, PR China
| | - Yu-Xuan Wang
- Department of Occupational & Environmental Health, Wuhan University School of Health Sciences, Wuhan, Hubei 430071, PR China
| | - Qun Zhou
- Department of Occupational & Environmental Health, Wuhan University School of Health Sciences, Wuhan, Hubei 430071, PR China
| | - Feng Zhang
- Department of Occupational & Environmental Health, Wuhan University School of Health Sciences, Wuhan, Hubei 430071, PR China
| | - Yi-Yan Song-Yang
- Department of Occupational & Environmental Health, Wuhan University School of Health Sciences, Wuhan, Hubei 430071, PR China
| | - Wei Zhu
- Department of Occupational & Environmental Health, Wuhan University School of Health Sciences, Wuhan, Hubei 430071, PR China
| | - Cheng-Chao Sun
- Department of Occupational & Environmental Health, Wuhan University School of Health Sciences, Wuhan, Hubei 430071, PR China
| | - De-Jia Li
- Department of Occupational & Environmental Health, Wuhan University School of Health Sciences, Wuhan, Hubei 430071, PR China
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33
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Tang Q, Li M, Chen L, Bi F, Xia H. miR-200b/c targets the expression of RhoE and inhibits the proliferation and invasion of non-small cell lung cancer cells. Int J Oncol 2018; 53:1732-1742. [PMID: 30066855 DOI: 10.3892/ijo.2018.4493] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Accepted: 04/26/2018] [Indexed: 02/05/2023] Open
Abstract
Lung cancer is a major cause of mortality worldwide and non‑small cell lung cancer (NSCLC) accounts for ~80% of all cases of lung cancer. Increasing evidence indicates that Rho family GTPase 3 (RhoE) is important in the carcinogenesis and progression of NSCLC. In addition, several studies have indicated that microRNA (miR)‑200b/c is downregulated in NSCLC cells. However, the exact mechanism remains to be elucidated. In the present study, immunohistochemistry (IHC) assays were used to analyze the RhoE and epithelial‑mesenchymal transition (EMT)‑related proteins in NSCLC tissues. Putative target sequences of the RhoE 3' untranslated region (3'UTR) for miR‑200b/c were detected using bioinformatics analysis. The mRNA expression levels of RhoE and miR‑200b/c were determined by reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR) analysis, and western blot analysis was used to detect the protein levels of RhoE in cells. The luciferase‑reporter activity of the RhoE 3'UTR was detected using a dual‑luciferase assay. A cell counting kit‑8 assay, flow cytometry and Transwell assay were used to detect cell proliferation, cell cycle, and invasion and migration ability, respectively. The IHC assays indicated that RhoE was overexpressed in NSCLC tissues. The bioinformatics analysis revealed that the RhoE 3'UTR contained a putative target site for miR‑200b/c, which was conserved across species. The results of RT‑qPCR analysis showed that the mRNA expression of RhoE was overexpressed and miR‑200b/200c was decreased in lung cancer tissues. The enhanced expression of miR‑200b or miR‑200c significantly downregulated the expression of RhoE at the mRNA and protein levels in A549 and NCI‑H1299 NSCLC cells. Furthermore, luciferase assays showed that miR‑200b and miR‑200c directly targeted the 3'UTR of RhoE. The forced expression of miR‑200b or miR‑200c markedly inhibited A549 cell and NCI‑H1299 cell proliferation, G0/G1 progression and cell invasion, which was consistent with the effects of RNA interference‑mediated RhoE knockdown in these cells. The suppression of RhoE regulated the expression of EMT‑related markers, which was consistent with the effect of miR‑200b/c in NSCLC cells, and the expression of EMT‑related proteins and RhoE were also correlated in the lung cancer tissues. Therefore, miR‑200b and miR‑200c targeted the expression of RhoE and inhibited the malignancy of NSCLC cells, and the downregulation of miR‑200b and miR‑200c may contribute to the high expression of RhoE in NSCLC.
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Affiliation(s)
- Qiulin Tang
- Laboratory of Molecular Target Therapy in Oncology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Mingxing Li
- Laboratory of Molecular Target Therapy in Oncology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Liang Chen
- Laboratory of Molecular Target Therapy in Oncology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Feng Bi
- Laboratory of Molecular Target Therapy in Oncology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Hongwei Xia
- Laboratory of Molecular Target Therapy in Oncology, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
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