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Guo GX, Wu KY, Zhang XY, Lai FX, Tsim KWK, Qin QW, Hu WH. The extract of Curcumae Longae Rhizoma suppresses angiogenesis via VEGF-induced PI3K/Akt-eNOS-NO pathway. JOURNAL OF ETHNOPHARMACOLOGY 2023; 308:116299. [PMID: 36842721 DOI: 10.1016/j.jep.2023.116299] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 02/10/2023] [Accepted: 02/16/2023] [Indexed: 06/18/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Curcumae Longae Rhizoma (CLR) is a safe natural herbal medicine, and which has been widely used for centuries as functional food and health products, but its effects on angiogenesis and related underlying mechanism remain unclear. AIM OF THE STUDY The abnormal angiogenesis is closely related with various diseases, and therefore the precise control of angiogenesis is of great importance. The well-known angiogenic factor, vascular endothelial growth factor (VEGF), mediates angiogenesis and induces multiple signalling pathways via binding to VEGF receptor (VEGFR). The attenuation of VEGF-triggered angiogenic-related signalling pathways may relieve various diseases through suppression of angiogenesis. Here, we aimed to elucidate that CLR extract could exert striking anti-angiogenic activities both in vitro and in vivo. MATERIALS AND METHODS The viability of human umbilical vascular endothelial cell (HUVEC) was examined by LDH and MTT assays. Migrative and invasive ability of the endothelial cells were independently evaluated by wound healing and transwell assays. The activities of CLR extract on in vitro angiogenesis was tested by tube formation assay. In vivo vascularization was determined by using zebrafish embryo model in the present of CLR extract. Western blotting was applied to determine the phosphorylated levels of VEGFR2, PI3K, AKT and eNOS. Besides, the levels of nitric oxide (NO) and reactive oxygen species (ROS) were separately evaluated by Griess assay and 2'7'-dichlorofluorescein diacetate reaction. In addition, the cell migrative ability of cancer cell was estimated by using cultured human colon carcinoma cells (HT-29 cell line), and immunofluorescence assay was applied to evaluate the effect of CLR extract on nuclear translocation of NF-κB p65 subunit in the VEGF-treated HT-29 cultures. RESULTS CLR extract significantly suppressed a series of VEGF-mediated angiogenic responses, including endothelial cell proliferation, migration, invasion, and tube formation. Moreover, CLR extract reduced in vivo sub-intestinal vessel formation in zebrafish embryo model. Mechanistically, the extract of CLR attenuated the VEGF-triggered signalling, as demonstrated by decreased level of phosphorylated VEGFR2 and subsequently inactivated its downstream regulators, e.g. phospho-PI3K, phospho-AKT and phospho-eNOS. The production of NO and formation of ROS were markedly inhibited in HUVECs. Furthermore, CLR extract suppressed cell migration and NF-κB translocation in cultured HT-29 cells. CONCLUSIONS These preclinical findings demonstrate that the extract of CLR remarkably attenuates angiogenesis and which has great potential as a natural drug candidate with excellent anti-angiogenic activity.
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Affiliation(s)
- Guo-Xia Guo
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China.
| | - Ke-Yue Wu
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China.
| | - Xiao-Yong Zhang
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China; University Joint Laboratory of Guangdong Province, Hong Kong and Macao Region on Marine Bioresource Conservation and Exploitation, Guangzhou, China.
| | - Fu-Xiang Lai
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China.
| | - Karl Wah-Keung Tsim
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China; University Joint Laboratory of Guangdong Province, Hong Kong and Macao Region on Marine Bioresource Conservation and Exploitation, Guangzhou, China; Division of Life Science and State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology, Hong Kong, China.
| | - Qi-Wei Qin
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China; University Joint Laboratory of Guangdong Province, Hong Kong and Macao Region on Marine Bioresource Conservation and Exploitation, Guangzhou, China.
| | - Wei-Hui Hu
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China; University Joint Laboratory of Guangdong Province, Hong Kong and Macao Region on Marine Bioresource Conservation and Exploitation, Guangzhou, China.
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Vitamin D 3 and Salinomycin synergy in MCF-7 cells cause cell death via endoplasmic reticulum stress in monolayer and 3D cell culture. Toxicol Appl Pharmacol 2022; 452:116178. [PMID: 35914560 DOI: 10.1016/j.taap.2022.116178] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 07/15/2022] [Accepted: 07/23/2022] [Indexed: 11/21/2022]
Abstract
1α, 25, dihydroxyvitamin D3 (1,25D), the active form of vitamin D3, has antitumor properties in several cancer cell lines in vitro. Salinomycin (Sal) has anticancer activity against cancer cell lines. This study aims to examine the cytotoxic and antiproliferative effect of Sal associated with 1,25D on MCF-7 breast carcinoma cell line cultured in monolayer (2D) and three-dimensional models (mammospheres). We also aim to evaluate the molecular mechanism of Sal and 1,25D-mediated effects. We report that Sal and 1,25D act synergistically in MCF-7 mammospheres and monolayer causing G1 cell cycle arrest, reduction of mitochondrial membrane potential (MMP), and reactive oxygen species (ROS) overproduction with a long-lasting cytotoxic response represented by clonogenic and mammosphere assay. We observed the induction of cell death by apoptosis with upregulation in mRNA levels of apoptosis-related genes (CASP7, CASP9, and BBC3). Extensive cytoplasmic vacuolization, a morphological characteristic found in paraptosis, was also seen and could be triggered by endoplasmic reticulum stress (ER) as we found transcriptional upregulation of genes related to ER stress (ATF6, GADD153, GADD45G, EIF2AK3, and HSPA5). Overall, Sal and 1,25D act synergistically, inhibiting cell proliferation by activating simultaneously multiple death pathways and may be a novel and promising luminal A breast cancer therapy strategy.
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Niwa AM, Semprebon SC, D'Epiro GFR, Marques LA, Zanetti TA, Mantovani MS. Salinomycin induces cell cycle arrest and apoptosis and modulates hepatic cytochrome P450 mRNA expression in HepG2/C3a cells. Toxicol Mech Methods 2021; 32:341-351. [PMID: 34806536 DOI: 10.1080/15376516.2021.2008570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Salinomycin (SAL) is a monocarboxylic polyether ionophore antibiotic isolated from Streptomyces albus. It exhibits an effective antitumor potential against numerous human cancer cells. This study aimed to assess the antiproliferative effects of SAL in human hepatocellular carcinoma HepG2/C3a cell line. We investigated the effects of SAL on cell growth, DNA damage induction, cell cycle changes and apoptosis; and relative changes in expression of cell cycle-related, apoptosis-related, and CYP450 genes. SAL induced cell cycle arrest in the G2/M phase, upregulation of CDKN1A and GADD45A and downregulation of cyclin genes including CCNB1 and CCNA2. SAL effectively suppressed mRNA levels of CTNNB1 gene, an important oncogene that promotes tumorigenesis. The decrease of HepG2/C3A cells' survival can also be due to downregulation of antiapoptotic BCL-2 expression, thus promoting the induction of apoptosis by SAL. This study also demonstrated the ability of SAL in modulating hepatic cytochrome P450 (CYP) mRNA expression, such that SAL caused the upregulation of CYP1A members and CYP3A5; and downregulation of CYP3A4. Taken together, these data contribute to the understanding of the mechanism of action of SAL, highlighting that metabolizing enzymes modulated by SAL can interfere with chemotherapy treatment and it must be considered in associated treatments.
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Affiliation(s)
- Andressa Megumi Niwa
- Department of General Biology, Center of Biological Sciences, Londrina State University - UEL, Londrina, Brazil
| | - Simone Cristine Semprebon
- Department of General Biology, Center of Biological Sciences, Londrina State University - UEL, Londrina, Brazil
| | | | - Lilian Areal Marques
- Department of General Biology, Center of Biological Sciences, Londrina State University - UEL, Londrina, Brazil
| | - Thalita Alves Zanetti
- Department of General Biology, Center of Biological Sciences, Londrina State University - UEL, Londrina, Brazil
| | - Mário Sérgio Mantovani
- Department of General Biology, Center of Biological Sciences, Londrina State University - UEL, Londrina, Brazil
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Yu J, Yang Y, Li S, Meng P. Salinomycin triggers prostate cancer cell apoptosis by inducing oxidative and endoplasmic reticulum stress via suppressing Nrf2 signaling. Exp Ther Med 2021; 22:946. [PMID: 34306210 PMCID: PMC8281384 DOI: 10.3892/etm.2021.10378] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Accepted: 03/11/2021] [Indexed: 12/12/2022] Open
Abstract
Salinomycin is a polyether antiprotozoal antibiotic that is widely used as an animal food additive. Some antifungal, antiparasitic, antiviral and anti-inflammatory activities have been reported for salinomycin. Recently, the anti-cancer effect of salinomycin has been demonstrated in breast cancer; however, the underlying mechanism remains unknown. The present study aimed to investigate the functional roles of salinomycin in the progression of prostate cancer cells using the DU145 and PC-3 cell lines. Western blotting and reverse transcription-quantitative polymerase chain reaction were performed to detect the expression of oxidative stress and endoplasmic reticulum stress-related molecules, and flow cytometry was performed to detect the apoptosis rate of DU145 and PC-3 cells after salinomycin treatment. The results demonstrated that salinomycin inhibited the viability and induced the apoptosis of PC-3 and DU145 cells in a dose-dependent manner. Furthermore, salinomycin increased the production of reactive oxygen species (ROS) and 8-hydroxy-2'-deoxyguanosine (8-OH-dG) and the lipid peroxidation. In addition, salinomycin induced the activation of unfolded protein response and endoplasmic reticulum stress in DU145 and PC-3 cells, as indicated by the elevated expression of binding immunoglobulin protein, activating transcription factor 4, phosphorylated eukaryotic initiation factor 2α, phosphorylated protein kinase RNA-like endoplasmic reticulum kinase and C/EBP homologous protein. In addition, salinomycin significantly downregulated the expression of nuclear factor erythroid 2-related factor 2 (Nrf2), heme oxygenase-1, NAD(P)H quinone dehydrogenase 1 and glutamate-cysteine ligase catalytic subunit and decreased the activity of the antioxidant enzymes superoxide dismutase, catalase and glutathione peroxidase in PC-3 and DU145 cells. Furthermore, the Nrf2 activator, tert-butylhydroquinone, significantly reversed the therapeutic effects of salinomycin by stimulating the Nrf2 pathway and increasing the activity of antioxidant enzymes. Taken together, these findings demonstrated that salinomycin may trigger apoptosis by inducing oxidative and ER stress in prostate cancer cells via suppressing Nrf2 signaling.
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Affiliation(s)
- Jianyong Yu
- Department of Urology, Yantai Hospital of Traditional Chinese Medicine, Yantai, Shandong 264001, P.R. China
| | - Yang Yang
- Department of Urology, Haiyang People's Hospital, Yantai, Shandong 264001, P.R. China
| | - Shan Li
- The Fourth Department of Oncology, Yantai Hospital of Traditional Chinese Medicine, Yantai, Shandong 264001, P.R. China
| | - Peng Meng
- The Fourth Department of Oncology, Yantai Hospital of Traditional Chinese Medicine, Yantai, Shandong 264001, P.R. China
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Erkisa M, Sariman M, Geyik OG, Geyik CG, Stanojkovic T, Ulukay E. Natural Products as a Promising Therapeutic Strategy to Target Cancer Stem Cells. Curr Med Chem 2021; 29:741-783. [PMID: 34182899 DOI: 10.2174/0929867328666210628131409] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 03/02/2021] [Accepted: 03/02/2021] [Indexed: 11/22/2022]
Abstract
Cancer is still a deadly disease, and its treatment desperately needs to be managed in a very sophisticated way through fast-developing novel strategies. Most of the cancer cases eventually develop into recurrencies, for which cancer stem cells (CSCs) are thought to be responsible. They are considered as a subpopulation of all cancer cells of tumor tissue with aberrant regulation of self-renewal, unbalanced proliferation, and cell death properties. Moreover, CSCs show a serious degree of resistance to chemotherapy or radiotherapy and immune surveillance as well. Therefore, new classes of drugs are rushing into the market each year, which makes the cost of therapy increase dramatically. Natural products are also becoming a new research area as a diverse chemical library to suppress CSCs. Some of the products even show promise in this regard. So, the near future could witness the introduction of natural products as a source of new chemotherapy modalities, which may result in the development of novel anticancer drugs. They could also be a reasonably-priced alternative to highly expensive current treatments. Nowadays, considering the effects of natural compounds on targeting surface markers, signaling pathways, apoptosis, and escape from immunosurveillance have been a highly intriguing area in preclinical and clinical research. In this review, we present scientific advances regarding their potential use in the inhibition of CSCs and the mechanisms by which they kill the CSCs.
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Affiliation(s)
- Merve Erkisa
- Molecular Cancer Research Center (ISUMKAM), Istinye University, Istanbul, Turkey
| | - Melda Sariman
- Molecular Cancer Research Center (ISUMKAM), Istinye University, Istanbul, Turkey
| | - Oyku Gonul Geyik
- Molecular Cancer Research Center (ISUMKAM), Istinye University, Istanbul, Turkey
| | - Caner Geyik Geyik
- Molecular Cancer Research Center (ISUMKAM), Istinye University, Istanbul, Turkey
| | - Tatjana Stanojkovic
- Experimental Oncology Deparment, Institute for Oncology and Radiology of Serbia, 11000 Belgrade, Pasterova 14. Serbia
| | - Engin Ulukay
- Molecular Cancer Research Center (ISUMKAM), Istinye University, Istanbul, Turkey
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Kras P, Talkowski K, Grabarek BO, Skalska-Dziobek N, Boroń D, Oplawski M. Evaluation of Variances in VEGF-A-D and VEGFR-1-3 Expression in the Ishikawa Endometrial Cancer Cell Line Treated with Salinomycin and Anti-Angiogenic/Lymphangiogenic Effect. Curr Pharm Biotechnol 2021; 22:697-705. [PMID: 32648839 DOI: 10.2174/1389201021666200710093519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 06/05/2020] [Accepted: 06/07/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND In cancer, an excessive and uncontrolled process of creating new blood and lymphatic vessels that play a key role in the metastasis process can be observed. The Vascular Endothelial Growth Factor (VEGF-A,-B,-C,-D) family together with their specific receptors (VEGFR-1,-2,- 3) plays a key role in these processes, therefore, it would be reasonable to determine the correct pattern of their expression. OBJECTIVES The study aimed to assess the use of salinomycin as an anti-angiogenic and anti-lymphangiogenic drug during endometrial cancer by examining changes in the expression pattern of VEGF-A, VEGF-B, VEGF-C, VEGF-D, VEGFR-1, VEGFR-2 and VEGFR-3 depending on the treatment period of the Ishikawa endometrial cancer cells with salinomycin in comparison to the control culture. MATERIALS AND METHODS To determine how influential salinomycin was on the expression of both mRNAs, 1 μM of the drug was added to the cell culture and then it was cultured all together for 12, 24 and 48 hour periods. The cells that made up the control culture were not treated with salinomycin. To determine the changes in the expression profile of the selected genes, we used the microarray, techniques: RTqPCR and ELISA (p<0.05). RESULTS For all isoforms of VEGF-A-D as well as receptors of VEGFR-1-3, a decrease in expression under the influence of salinomycin was noted. For VEGF-A and VEGFR-1, the difference in the expression between the culture treated with salinomycin in comparison to the control was statistically significant (p=0.0004). In turn, for VEGF-B, the difference between the culture exposed for 24 hours in comparison to the control (p=0.00000) as well as the comparison between H48 vs. C (p=0.00000) was statistically significant. In reference to VEGF-C, VEGFR-2 and VEGFR-3, the statistical analysis showed the significant difference in expression between the culture incubated with the drug for 12, 24 and 48 hours in comparison to the control as well as between the selected times. For all of these comparisons, p=0.00000 was utilized. CONCLUSION Salinomycin changes the expression pattern of VEGF-A, VEGF-B, VEGF-C, VEGF-D, VEGFR-1, VEGFR-2, and VEGFR-3 in endometrial cancer cells. The obtained results suggest that salinomycin might exert the effect via VEGF signaling pathways.
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Affiliation(s)
- Piotr Kras
- Department of Gynecology and Obstetrics with Gynecologic Oncology, Ludwik Rydygier Memorial Specialized Hospital, Krakow, Poland
| | - Karol Talkowski
- Department of Psychiatry, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - Beniamin O Grabarek
- Department of Histology, Cytophysiology and Embryology, Faculty of Medicine in Zabrze, University of Technology in Katowice, Katowice, Poland
| | - Nina Skalska-Dziobek
- Department of Histology, Cytophysiology and Embryology, Faculty of Medicine in Zabrze, University of Technology in Katowice, Katowice, Poland
| | - Dariusz Boroń
- Department of Gynecology and Obstetrics with Gynecologic Oncology, Ludwik Rydygier Memorial Specialized Hospital, Krakow, Poland
| | - Marcin Oplawski
- Department of Gynecology and Obstetrics with Gynecologic Oncology, Ludwik Rydygier Memorial Specialized Hospital, Krakow, Poland
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Therapeutic applications and biological activities of bacterial bioactive extracts. Arch Microbiol 2021; 203:4755-4776. [PMID: 34370077 PMCID: PMC8349711 DOI: 10.1007/s00203-021-02505-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 07/24/2021] [Accepted: 07/27/2021] [Indexed: 02/07/2023]
Abstract
Bacteria are rich in a wide variety of secondary metabolites, such as pigments, alkaloids, antibiotics, and others. These bioactive microbial products serve a great application in human and animal health. Their molecular diversity allows these natural products to possess several therapeutic attributes and biological functions. That's why the current natural drug industry focuses on uncovering all the possible ailments and diseases that could be combated by bacterial extracts and their secondary metabolites. In this paper, we review the major utilizations of bacterial natural products for the treatment of cancer, inflammatory diseases, allergies, autoimmune diseases, infections and other diseases that threaten public health. We also elaborate on the identified biological activities of bacterial secondary metabolites including antibacterial, antifungal, antiviral and antioxidant activities all of which are essential nowadays with the emergence of drug-resistant microbial pathogens. Throughout this review, we discuss the possible mechanisms of actions in which bacterial-derived biologically active molecular entities could possess healing properties to inspire the development of new therapeutic agents in academia and industry.
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Chen J, Huang X, Li N, Liu B, Ma Z, Ling J, Yang W, Li T. Narasin inhibits tumor metastasis and growth of ERα‑positive breast cancer cells by inactivation of the TGF‑β/SMAD3 and IL‑6/STAT3 signaling pathways. Mol Med Rep 2020; 22:5113-5124. [PMID: 33174044 PMCID: PMC7646975 DOI: 10.3892/mmr.2020.11624] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Accepted: 08/27/2020] [Indexed: 12/20/2022] Open
Abstract
Treatment of human estrogen receptor (ER)-positive breast cancer (ER+ BC) using conventional chemotherapy remains a challenge and is often ineffective as a result of tumor metastasis. The present study aimed to investigate the ability of narasin, an ionophore antibiotic, to potentially inhibit tumor metastasis and growth in human ER+ BC. Narasin was found to have significant inhibitory abilities on cell proliferation, migration and invasion in ER+ BC cell lines MCF-7 and T47D compared with the triple-negative BC cell MDA-MB-231. For the in vivo studies, narasin effectively decreased the number of tumor metastasis nodules, tumor volume and weight without apparent toxicity in human MCF-7 nude mouse left ventricle injection tumor metastasis and xenograft models. Mechanistically, it demonstrated that exposure to TGF-β or IL-6 induced the expression of epithelial-mesenchymal transition (EMT) markers in ER+ BC cell lines. On the contrary, narasin dose-dependently reversed EMT by increasing the expression of E-cadherin and decreasing the expression of N-cadherin, vimentin, β-catenin and zinc finger E-box-binding homeobox 1 at the protein and gene expression levels. Gene microarray, molecular docking and western blotting were performed to demonstrate that those protein and gene expression levels are regulated by the inactivation of the TGF-β/phosphorylated (p)-SMAD3 and IL-6/p-STAT3 signaling pathways. Taken together, these findings indicated that narasin may be a promising candidate that can be further optimized for the treatment of human ER+ BC.
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Affiliation(s)
- Jing Chen
- School of Basic Medical Sciences, Ningxia Medical University, Ministry of Education, Yinchuan, Ningxia Hui Autonomous Region 750004, P.R. China
| | - Xieping Huang
- School of Basic Medical Sciences, Ningxia Medical University, Ministry of Education, Yinchuan, Ningxia Hui Autonomous Region 750004, P.R. China
| | - Na Li
- School of Basic Medical Sciences, Ningxia Medical University, Ministry of Education, Yinchuan, Ningxia Hui Autonomous Region 750004, P.R. China
| | - Boxia Liu
- School of Basic Medical Sciences, Ningxia Medical University, Ministry of Education, Yinchuan, Ningxia Hui Autonomous Region 750004, P.R. China
| | - Zhanbing Ma
- School of Basic Medical Sciences, Ningxia Medical University, Ministry of Education, Yinchuan, Ningxia Hui Autonomous Region 750004, P.R. China
| | - Jun Ling
- School of Basic Medical Sciences, Ningxia Medical University, Ministry of Education, Yinchuan, Ningxia Hui Autonomous Region 750004, P.R. China
| | - Wenjun Yang
- School of Basic Medical Sciences, Ningxia Medical University, Ministry of Education, Yinchuan, Ningxia Hui Autonomous Region 750004, P.R. China
| | - Tao Li
- Department of Oncology, General Hospital of The Ningxia Medical University, Yinchuan, Ningxia Hui Autonomous Region 750004, P.R. China
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Jiang JH, Pi J, Cai JY. Oridonin exhibits anti-angiogenic activity in human umbilical vein endothelial cells by inhibiting VEGF-induced VEGFR-2 signaling pathway. Pathol Res Pract 2020; 216:153031. [PMID: 32703495 DOI: 10.1016/j.prp.2020.153031] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Revised: 05/04/2020] [Accepted: 05/25/2020] [Indexed: 01/08/2023]
Abstract
Oridonin has been found to be a potential anti-angiogenesis agent. However, its functional targets and the underlying mechanisms are still vague. In vitro studies we found that oridonin not only inhibited VEGF-induced cell proliferation, migration and tube formation but also caused G2/M phase arrest and triggered cellular apoptosis in HUVECs. In mechanistic studies revealed that oridonin exhibited the anti-angiogenic potency, at least in part, through the down-regulation of VEGFR2-mediated FAK/MMPs, mTOR/PI3K/Akt and ERK/p38 signaling pathways which led to reduced invasion, migration, and tube formation in HUVECs. Our results could provide evidence that oridonin exerts strong anti-angiogenesis activities via specifically targeting VEGFR2 and its signaling pathway.
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Affiliation(s)
- Jin-Huan Jiang
- Institute of Pharmacy and Pharmacology, University of South China, Hengyang, China; Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, University of South China, Hengyang, China.
| | - Jiang Pi
- Department of Microbiology and Immunology, University of Illinois at Chicago, Chicago, IL, USA
| | - Ji-Ye Cai
- State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Macau, China
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Chen J, Li N, Liu B, Ling J, Yang W, Pang X, Li T. Pracinostat (SB939), a histone deacetylase inhibitor, suppresses breast cancer metastasis and growth by inactivating the IL-6/STAT3 signalling pathways. Life Sci 2020; 248:117469. [PMID: 32109485 DOI: 10.1016/j.lfs.2020.117469] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 02/08/2020] [Accepted: 02/24/2020] [Indexed: 12/20/2022]
Abstract
AIMS Histone deacetylases inhibitors have shown favorable antitumor activity in clinical investigations. In the present study, we assessed the effects of a novel hydroxamic acid-based HDAC inhibitor, SB939, on breast cancer metastasis and tumor growth and characterized the underlying molecular mechanisms. MAIN METHODS MTS, Wound-healing, and Transwell chamber invasion assays were used to detect the inhibition effects of SB939 on proliferation, migration, and invasion of breast cancer cells. Western blot, cellular immunofluorescence, and EMSA were used to explore the molecular mechanism of SB939 in suppressing breast cancer metastasis. MDA-MB-231 subcutaneous tumor-bearing model of nude mice and the spontaneous metastasis model of breast cancer were both applied to verify in vivo anti-tumor growth and anti-metastatic effects. KEY FINDINGS Our results demonstrated that SB939 at 0.5-1 μmol/L markedly impaired the chemotactic motility of breast cancer cells. SB939 reversed epithelial-mesenchymal transition (EMT) process, as evidenced by upregulation E-cadherin expression and downregulation expressions of N-cadherin and vimentin through increasing the levels of ac-histone H3 and H4 and drecreasing the expressiongs of HDAC 5 and 4. This cascade inhibition mediated by SB939 was well interpreted by inactivating phosphorylation of STAT3, blocking its DNA-binding activity, and decreasing the expressions of STAT3-dependent target genes, including MMP2 and MMP9. Furhtermore, we found that SB939 significantly inhibited breast cancer metastasis and tumor growth in vivo and showed superior anti-tumor properties compared with SAHA in two breast cancer animal models. SIGNIFICANCE Our findings indicate that SB939 may be an effective therapeutic option for treating advanced breast cancer.
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Affiliation(s)
- Jing Chen
- School of Basic Medical Sciences, Ningxia Medical University, Yinchuan 750004, China; Key Laboratory of Fertility Preservation and Maintenance (Ningxia Medical University), Ministry of Education, Yinchuan 750004, China
| | - Na Li
- School of Basic Medical Sciences, Ningxia Medical University, Yinchuan 750004, China; Key Laboratory of Fertility Preservation and Maintenance (Ningxia Medical University), Ministry of Education, Yinchuan 750004, China; Center for neurological diseases, The First People's Hospital of Shizuishan, Shizuishan 753200, China
| | - Boxia Liu
- School of Basic Medical Sciences, Ningxia Medical University, Yinchuan 750004, China; Key Laboratory of Fertility Preservation and Maintenance (Ningxia Medical University), Ministry of Education, Yinchuan 750004, China
| | - Jun Ling
- School of Basic Medical Sciences, Ningxia Medical University, Yinchuan 750004, China; Key Laboratory of Fertility Preservation and Maintenance (Ningxia Medical University), Ministry of Education, Yinchuan 750004, China
| | - Wenjun Yang
- School of Basic Medical Sciences, Ningxia Medical University, Yinchuan 750004, China; Key Laboratory of Fertility Preservation and Maintenance (Ningxia Medical University), Ministry of Education, Yinchuan 750004, China
| | - Xiufeng Pang
- Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai 200241, China.
| | - Tao Li
- Department of Oncology, General Hospital of the Ningxia Medical University, Yinchuan 750004, China.
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Wang Z, Zhou L, Xiong Y, Yu S, Li H, Fan J, Li F, Su Z, Song J, Sun Q, Liu S, Xia Y, Zhao L, Li S, Guo F, Huang P, Carson DA, Lu D. Salinomycin exerts anti-colorectal cancer activity by targeting the β-catenin/T-cell factor complex. Br J Pharmacol 2019; 176:3390-3406. [PMID: 31236922 PMCID: PMC6692576 DOI: 10.1111/bph.14770] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 05/24/2019] [Accepted: 06/04/2019] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND AND PURPOSE Salinomycin is a well-known inhibitor of human cancer stem cells (CSCs). However, the molecular mechanism(s) by which salinomycin targets colorectal CSCs is poorly understood. Here, we have investigated underlying antitumour mechanisms of salinomycin in colorectal cancer cells and three tumour models. EXPERIMENTAL APPROACH The inhibitory effect of salinomycin on the Wnt/β-catenin pathway was analysed with the SuperTopFlash reporter system. The mRNA expression of Wnt target genes was evaluated with real-time PCR. Effects of salinomycin on β-catenin/TCF4E interaction were examined using co-immunoprecipitation and an in vitro GST pull-down assay. Cell proliferation was determined by BrdU incorporation and soft agar colony formation assay. The stemness of the cells was assessed by sphere formation assay. Antitumour effects of salinomycin on colorectal cancers was evaluated with colorectal CSC xenografts, APCmin/+ transgenic mice, and patient-derived colorectal tumour xenografts. KEY RESULTS Salinomycin blocked β-catenin/TCF4E complex formation in colorectal cancer cells and in an in vitro GST pull-down assay, thus decreasing expression of Wnt target genes. Salinomycin also suppressed the transcriptional activity mediated by β-catenin/LEF1 or β-catenin/TCF4E complex and exhibited an inhibitory effect on the sphere formation, proliferation, and anchorage-independent growth of colorectal cancer cells. In colorectal tumour xenografts and APCmin/+ transgenic mice, administration of salinomycin significantly reduced tumour growth and the expression of CSC-related Wnt target genes including LGR5. CONCLUSIONS AND IMPLICATIONS Our study suggested that salinomycin could suppress the growth of colorectal cancer by disrupting the β-catenin/TCF complex and thus may be a promising agent for colorectal cancer treatment.
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Affiliation(s)
- Zhongyuan Wang
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Carson International Cancer Center, Department of PharmacologyShenzhen University Health Science CenterShenzhenChina
| | - Liang Zhou
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Carson International Cancer Center, Department of PharmacologyShenzhen University Health Science CenterShenzhenChina
| | - Yanpeng Xiong
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Carson International Cancer Center, Department of PharmacologyShenzhen University Health Science CenterShenzhenChina
| | - Shubin Yu
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Carson International Cancer Center, Department of PharmacologyShenzhen University Health Science CenterShenzhenChina
| | - Huan Li
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Carson International Cancer Center, Department of PharmacologyShenzhen University Health Science CenterShenzhenChina
| | - Jiaoyang Fan
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Carson International Cancer Center, Department of PharmacologyShenzhen University Health Science CenterShenzhenChina
| | - Fan Li
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, Laboratory of Evolutionary Theranostics, School of Biomedical EngineeringShenzhen University Health Science CenterShenzhenChina
| | - Zijie Su
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Carson International Cancer Center, Department of PharmacologyShenzhen University Health Science CenterShenzhenChina
| | - Jiaxing Song
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Carson International Cancer Center, Department of PharmacologyShenzhen University Health Science CenterShenzhenChina
| | - Qi Sun
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Carson International Cancer Center, Department of PharmacologyShenzhen University Health Science CenterShenzhenChina
| | - Shan‐Shan Liu
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Carson International Cancer Center, Department of PharmacologyShenzhen University Health Science CenterShenzhenChina
| | - Yuqing Xia
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Carson International Cancer Center, Department of PharmacologyShenzhen University Health Science CenterShenzhenChina
| | - Liang Zhao
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Carson International Cancer Center, Department of PharmacologyShenzhen University Health Science CenterShenzhenChina
| | - Shiyue Li
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Carson International Cancer Center, Department of PharmacologyShenzhen University Health Science CenterShenzhenChina
| | - Fang Guo
- Center for Systems BiomedicineShanghai Jiao Tong UniversityShanghaiChina
| | - Peng Huang
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, Laboratory of Evolutionary Theranostics, School of Biomedical EngineeringShenzhen University Health Science CenterShenzhenChina
| | - Dennis A. Carson
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Carson International Cancer Center, Department of PharmacologyShenzhen University Health Science CenterShenzhenChina
- Moores Cancer CenterUniversity of California San Diego (UCSD)La JollaCalifornia
| | - Desheng Lu
- Guangdong Key Laboratory for Genome Stability & Disease Prevention, Carson International Cancer Center, Department of PharmacologyShenzhen University Health Science CenterShenzhenChina
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12
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Antoszczak M, Huczyński A. Salinomycin and its derivatives - A new class of multiple-targeted "magic bullets". Eur J Med Chem 2019; 176:208-227. [PMID: 31103901 DOI: 10.1016/j.ejmech.2019.05.031] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 05/06/2019] [Accepted: 05/08/2019] [Indexed: 12/23/2022]
Abstract
The history of drug development clearly shows the scale of painstaking effort leading to a finished product - a highly biologically active agent that would be at the same time no or little toxic to human organism. Moreover, the aim of modern drug discovery can move from "one-molecule one-target" concept to more promising "one-molecule multiple-targets" one, particularly in the context of effective fight against cancer and other complex diseases. Gratifyingly, natural compounds are excellent source of potential drug leads. One of such promising naturally-occurring drug candidates is a polyether ionophore - salinomycin (SAL). This compound should be identified as multi-target agent for two reasons. Firstly, SAL combines a broad spectrum of bioactivity, including antibacterial, antifungal, antiviral, antiparasitic and anticancer activity, with high selectivity of action, proving its significant therapeutic potential. Secondly, the multimodal mechanism of action of SAL has been shown to be related to its interactions with multiple molecular targets and signalling pathways that are synergistic for achieving a therapeutic anticancer effect. On the other hand, according to the Paul Ehrlich's "magic bullet" concept, invariably inspiring the scientists working on design of novel target-selective molecules, a very interesting direction of research is rational chemical modification of SAL. Importantly, many of SAL derivatives have been found to be more promising as chemotherapeutics than the native structure. This concise review article is focused both on the possible role of SAL and its selected analogues in future antimicrobial and/or cancer therapy, and on the potential use of SAL as a new class of multiple-targeted "magic bullet" because of its multimodal mechanism of action.
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Affiliation(s)
- Michał Antoszczak
- Department of Bioorganic Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Umultowska 89b, 61‒614, Poznań, Poland
| | - Adam Huczyński
- Department of Bioorganic Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Umultowska 89b, 61‒614, Poznań, Poland.
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Zhang Y, Li F, Liu L, Jiang H, Hu H, Du X, Ge X, Cao J, Wang Y. Salinomycin triggers endoplasmic reticulum stress through ATP2A3 upregulation in PC-3 cells. BMC Cancer 2019; 19:381. [PMID: 31023247 PMCID: PMC6482559 DOI: 10.1186/s12885-019-5590-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Accepted: 04/09/2019] [Indexed: 02/06/2023] Open
Abstract
Background Salinomycin is a monocarboxylic polyether antibiotic and is a potential chemotherapy drug. Our previous studies showed that salinomycin inhibited cell growth and targeted CSCs in prostate cancer. However, the precise target of salinomycin action is unclear. Methods In this work, we analyzed and identified differentially expressed genes (DEGs) after treatment with or without salinomycin using a gene expression microarray in vitro (PC-3 cells) and in vivo (NOD/SCID mice xenograft model generated from implanted PC-3 cells). Western blotting and immunohistochemical staining were used to analyze the expression of ATP2A3 and endoplasmic reticulum (ER) stress biomarkers. Flow cytometry was used to analyze the cell cycle, apoptosis and intracellular Ca2+ concentration. Results A significantly upregulated gene, ATPase sarcoplasmatic/endoplasmatic reticulum Ca2+ transporting 3 (ATP2A3), was successfully identified. In subsequent studies, we found that ATP2A3 overexpression could trigger ER stress and exert anti-cancer effects in PC-3 and DU145 cells. ATP2A3 was slightly expressed, but the ER stress biomarkers showed strong staining in prostate cancer tissues. We also found that salinomycin could trigger ER stress, which might be related to ATP2A3-mediated Ca2+ release in PC-3 cells. Furthermore, we found that salinomycin-triggered ER stress could promote apoptosis and thus exert anti-cancer effects in prostate cancer cells. Conclusion This study demonstrates that ATP2A3 might be one of the potential targets for salinomycin, which can inhibit Ca2+ release and trigger ER stress to exert anti-cancer effects.
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Affiliation(s)
- Yunsheng Zhang
- Clinical Research Institute, The Second Affiliated Hospital, University of South China; Clinical Research Center For Breast & Thyroid Disease Prevention In Hunan Province, Hengyang, 421001, People's Republic of China
| | - Fang Li
- College of Nursing, Hunan Polytechnic of Environment and Biology, Hengyang, 421005, People's Republic of China
| | - Luogen Liu
- Clinical Research Institute, The Second Affiliated Hospital, University of South China, Hengyang, 421001, People's Republic of China
| | - Hongtao Jiang
- Department of Urology, The Second Hospital, University of South China, Hengyang, 421001, People's Republic of China
| | - Hua Hu
- Cancer Research Institute, The Second Hospital, University of South China, Hengyang, 421001, People's Republic of China
| | - Xiaobo Du
- Department of Urology, The First People's Hospital Yueyang, Yueyang, 414000, People's Republic of China
| | - Xin Ge
- Clinical Research Institute, The Second Affiliated Hospital, University of South China, Hengyang, 421001, People's Republic of China
| | - Jingsong Cao
- Medical College, Hunan Provincial Key Laboratory for Special Pathogens Prevention and Control, University of South China, Hengyang, 421001, People's Republic of China
| | - Yi Wang
- Department of Urology, The Second Affiliated Hospital of Hainan Medical University, Haikou 570102; Clinical Research Institute, The Second Affiliated Hospital, University of South China, Hengyang, 421001, People's Republic of China.
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14
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A comprehensive review of salinomycin derivatives as potent anticancer and anti-CSCs agents. Eur J Med Chem 2019; 166:48-64. [DOI: 10.1016/j.ejmech.2019.01.034] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 01/02/2019] [Accepted: 01/14/2019] [Indexed: 02/08/2023]
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15
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Klose J, Trefz S, Wagner T, Steffen L, Preißendörfer Charrier A, Radhakrishnan P, Volz C, Schmidt T, Ulrich A, Dieter SM, Ball C, Glimm H, Schneider M. Salinomycin: Anti-tumor activity in a pre-clinical colorectal cancer model. PLoS One 2019; 14:e0211916. [PMID: 30763370 PMCID: PMC6375586 DOI: 10.1371/journal.pone.0211916] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Accepted: 01/22/2019] [Indexed: 12/19/2022] Open
Abstract
Objectives Salinomycin is a polyether antibiotic with selective activity against human cancer stem cells. The impact of salinomycin on patient-derived primary human colorectal cancer cells has not been investigated so far. Thus, here we aimed to investigate the activity of salinomycin against tumor initiating cells isolated from patients with colorectal cancer. Methods Primary tumor-initiating cells (TIC) isolated from human patients with colorectal liver metastases or from human primary colon carcinoma were exposed to salinomycin and compared to treatment with 5-FU and oxaliplatin. TICs were injected subcutaneously into NOD/SCID mice to induce a patient-derived mouse xenograft model of colorectal cancer. Animals were treated either with salinomycin, FOLFOX regimen, or salinomycin and FOLFOX. Human colorectal cancer cells were used to delineate an underlying molecular mechanism of salinomycin in this tumor entity. Results Applying TICs isolated from human patients with colorectal liver metastases or from human primary colon carcinoma, we demonstrated that salinomycin exerts increased antiproliferative activity compared to 5-fluorouracil and oxaliplatin treatment. Consistently, salinomycin alone or in combination with FOLFOX exerts superior antitumor activity compared to FOLFOX therapy in a patient-derived mouse xenograft model of colorectal cancer. Salinomycin induces apoptosis of human colorectal cancer cells, accompanied by accumulation of dysfunctional mitochondria and reactive oxygen species. These effects are associated with expressional down-regulation of superoxide dismutase-1 (SOD1) in response to salinomycin treatment. Conclusion Collectively, the results of this pre-clinical study indicate that salinomycin alone or in combination with 5-fluorouracil and oxaliplatin exerts increased antitumoral activity compared to common chemotherapy.
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Affiliation(s)
- Johannes Klose
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Heidelberg, Germany
- * E-mail:
| | - Stefan Trefz
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Heidelberg, Germany
| | - Tobias Wagner
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Heidelberg, Germany
| | - Luca Steffen
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Heidelberg, Germany
| | | | - Praveen Radhakrishnan
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Heidelberg, Germany
| | - Claudia Volz
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Heidelberg, Germany
| | - Thomas Schmidt
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Heidelberg, Germany
| | - Alexis Ulrich
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Heidelberg, Germany
| | - Sebastian M. Dieter
- Translational Functional Cancer Genomics, National Center for Tumor Diseases (NCT) Heidelberg and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Claudia Ball
- Department of Translational Medical Oncology, National Center for Tumor Diseases (NCT) Dresden and German Cancer Research Center (DKFZ), Dresden, Germany
| | - Hanno Glimm
- Translational Functional Cancer Genomics, National Center for Tumor Diseases (NCT) Heidelberg and German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Translational Medical Oncology, National Center for Tumor Diseases (NCT) Dresden and German Cancer Research Center (DKFZ), Dresden, Germany
- Center for Personalized Oncology, University Hospital Carl Gustav Carus Dresden at TU Dresden, Dresden, Germany
- German Consortium for Translational Cancer Research (DKTK) Dresden, Dresden, Germany
| | - Martin Schneider
- Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Heidelberg, Germany
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16
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Antoszczak M. A medicinal chemistry perspective on salinomycin as a potent anticancer and anti-CSCs agent. Eur J Med Chem 2019; 164:366-377. [DOI: 10.1016/j.ejmech.2018.12.057] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Revised: 12/20/2018] [Accepted: 12/24/2018] [Indexed: 01/30/2023]
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17
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Versini A, Saier L, Sindikubwabo F, Müller S, Cañeque T, Rodriguez R. Chemical biology of salinomycin. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.07.028] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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18
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Wang Z, Lu J, Li Q, Pang Y. Data on functional characterization of LECT2 from Lampetra japonica. Data Brief 2018; 17:1271-1275. [PMID: 29845097 PMCID: PMC5966521 DOI: 10.1016/j.dib.2018.02.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Revised: 02/08/2018] [Accepted: 02/12/2018] [Indexed: 11/30/2022] Open
Abstract
The data presented in this article are related to the research article entitled “Characterization of the LECT2 gene and its protective effects against microbial infection via large lymphocytes in Lampetra japonica” (Wang et al., 2017) [1]. Here, we presented new original data about the effect of rL-LECT2 on cancer cells migration and macrophages phagocytosis. Wound healing assay and transwell chemotaxis assays were used to measure rL-LECT2 inhibition rates on cancer cell migration. Additionally, fluospheres beads and Escherichia coli–FITC were used to measure whether the rL-LECT2 can affect the phagocytosis of RAW264.7 cells.
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Affiliation(s)
- Zhiliang Wang
- College of Life Science, Liaoning Normal University, Dalian 116081, China.,Lamprey Research Center, Liaoning Normal University, Dalian 116081, China
| | - Jiali Lu
- College of Life Science, Liaoning Normal University, Dalian 116081, China.,Lamprey Research Center, Liaoning Normal University, Dalian 116081, China
| | - Qingwei Li
- College of Life Science, Liaoning Normal University, Dalian 116081, China.,Lamprey Research Center, Liaoning Normal University, Dalian 116081, China
| | - Yue Pang
- College of Life Science, Liaoning Normal University, Dalian 116081, China.,Lamprey Research Center, Liaoning Normal University, Dalian 116081, China
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Hu WH, Chan GKL, Lou JS, Wu QY, Wang HY, Duan R, Cheng MYT, Dong TTX, Tsim KWK. The extract of Polygoni Cuspidati Rhizoma et Radix suppresses the vascular endothelial growth factor-induced angiogenesis. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2018; 42:135-143. [PMID: 29655679 DOI: 10.1016/j.phymed.2018.03.029] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Revised: 01/29/2018] [Accepted: 03/15/2018] [Indexed: 06/08/2023]
Abstract
BACKGROUND Polygoni Cuspidati Rhizoma et Radix (PCRR; the root and rhizome of Polygonum cuspidatum Sieb. et Zucc) is a traditional Chinese medicine for the treatment of inflammation, hyperlipemia, favus, jaundice and scald. HYPOTHESIS/PURPOSE The extract of PCRR inhibits vascular endothelial growth factor (VEGF)-induced angiogenesis. The hypothesis is supported by analysis of PCRR extract and investigation of pharmacological role and signaling mechanism of PCRR extract in regulating angiogenic responses. STUDY DESIGN The PCRR ethanolic extract was examined for its inhibitory effects on angiogenesis based on VEGF-treated human umbilical vein endothelial cells and in zebrafish model METHODS: The effects and signaling mechanism of a standardized ethanolic extract of PCRR were tested on cell proliferation, migration and tube formation in VEGF-treated human umbilical vein endothelial cells, and which was further validated in zebrafish embryo model. RESULTS The treatment of PCRR extract in cultured endothelial cells inhibited VEGF-induced cell proliferation, cell migration and tube formation in a dose-dependent manner and also suppressed the formation of sub-intestinal vessels in zebrafish embryos. Moreover, the applied PCRR extract suppressed VEGF-induced phosphorylations of VEGF receptor 2 (VEGFR2) and JNK. Thus, the site of effect triggered by PCRR was proposed to be mediated by VEGFR2. To further support this notion, the phosphorylations of Erk, Akt and eNOS, induced by VEGF, were markedly reduced under the challenge of PCRR extract: the reductions were subsequently further decreased in the present of inhibitors of Erk, Akt and eNOS. In parallel, the formation of ROS induced by VEGF in cultured endothelial cells was markedly reduced in the present of PCRR extract. CONCLUSION Collectively, our studies demonstrated the pharmacological role and signaling mechanism of PCRR in regulation of angiogenic responses, which supported further evaluation and development of PCRR as a potential therapeutic agent for the treatment and prevention of diseases related with angiogenesis.
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Affiliation(s)
- Wei-Hui Hu
- Division of Life Science and Center for Chinese Medicine and State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology, Clear Water Bay Road, Hong Kong, China
| | - Gallant Kar-Lun Chan
- Shenzhen Key Laboratory of Edible and Medicinal Bioresources, Ski, The Hong Kong University of Science and Technology, Hi-Tech Park, Nanshan, Shenzhen, China; Division of Life Science and Center for Chinese Medicine and State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology, Clear Water Bay Road, Hong Kong, China
| | - Jian-Shu Lou
- Division of Life Science and Center for Chinese Medicine and State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology, Clear Water Bay Road, Hong Kong, China
| | - Qi-Yun Wu
- Division of Life Science and Center for Chinese Medicine and State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology, Clear Water Bay Road, Hong Kong, China
| | - Huai-You Wang
- Shenzhen Key Laboratory of Edible and Medicinal Bioresources, Ski, The Hong Kong University of Science and Technology, Hi-Tech Park, Nanshan, Shenzhen, China
| | - Ran Duan
- Shenzhen Key Laboratory of Edible and Medicinal Bioresources, Ski, The Hong Kong University of Science and Technology, Hi-Tech Park, Nanshan, Shenzhen, China; Division of Life Science and Center for Chinese Medicine and State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology, Clear Water Bay Road, Hong Kong, China
| | - Michael Yu-Tung Cheng
- Division of Life Science and Center for Chinese Medicine and State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology, Clear Water Bay Road, Hong Kong, China
| | - Tina Ting-Xia Dong
- Shenzhen Key Laboratory of Edible and Medicinal Bioresources, Ski, The Hong Kong University of Science and Technology, Hi-Tech Park, Nanshan, Shenzhen, China; Division of Life Science and Center for Chinese Medicine and State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology, Clear Water Bay Road, Hong Kong, China
| | - Karl Wah-Keung Tsim
- Shenzhen Key Laboratory of Edible and Medicinal Bioresources, Ski, The Hong Kong University of Science and Technology, Hi-Tech Park, Nanshan, Shenzhen, China; Division of Life Science and Center for Chinese Medicine and State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology, Clear Water Bay Road, Hong Kong, China.
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Urbaniak A, Delgado M, Antoszczak M, Huczyński A, Chambers TC. Salinomycin derivatives exhibit activity against primary acute lymphoblastic leukemia (ALL) cells in vitro. Biomed Pharmacother 2018; 99:384-390. [DOI: 10.1016/j.biopha.2018.01.081] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Revised: 12/27/2017] [Accepted: 01/12/2018] [Indexed: 12/20/2022] Open
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Wang Z, Lu J, Li C, Li Q, Pang Y. Characterization of the LECT2 gene and its protective effects against microbial infection via large lymphocytes in Lampetra japonica. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2018; 79:75-85. [PMID: 29056545 DOI: 10.1016/j.dci.2017.09.018] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Revised: 09/22/2017] [Accepted: 09/22/2017] [Indexed: 06/07/2023]
Abstract
Leukocyte cell-derived chemotaxin 2 (LECT2) is a multifunctional protein of the innate immune system that defends against bacterial infections and chemotactic activity. However, its precise function in lamprey remains unclear. In this study, a novel LECT2 gene was first cloned from Lampetra japonica. The full-length cDNA sequence of L-LECT2 consists of a 606-bp ORF encoding a protein of 201 amino acid residues. L-LECT2 has greater than 50% sequence identity with its homologs in jawed vertebrates. FACS and immunohistochemistry assays were used to determine that the L-LECT2 protein was primarily distributed in the intestines and supraneural body tissues of lamprey, also marginally detectable in leukocytes. However, the expression of L-LECT2 was differentially upregulated in the intestines and heart after treatment with LPS. The recombinant L-LECT2 resulted in significant promoting migration of the leukocytes in vitro. Our data demonstrate that L-LECT2 treatment could enhance phagocytosis in lamprey large lymphocytes. Thus, our results suggest that LECT2 can modulate the host defense in lamprey and mediate antibacterial protection against E.coli through large lymphocytes.
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Affiliation(s)
- Zhiliang Wang
- College of Life Science, Liaoning Normal University, Dalian 116081, China; Lamprey Research Center, Liaoning Normal University, Dalian 116081, China
| | - Jiali Lu
- College of Life Science, Liaoning Normal University, Dalian 116081, China; Lamprey Research Center, Liaoning Normal University, Dalian 116081, China
| | - Changzhi Li
- College of Life Science, Liaoning Normal University, Dalian 116081, China; Lamprey Research Center, Liaoning Normal University, Dalian 116081, China
| | - Qingwei Li
- College of Life Science, Liaoning Normal University, Dalian 116081, China; Lamprey Research Center, Liaoning Normal University, Dalian 116081, China.
| | - Yue Pang
- College of Life Science, Liaoning Normal University, Dalian 116081, China; Lamprey Research Center, Liaoning Normal University, Dalian 116081, China.
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22
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Yan WF, Nie CF, Wu G, Zhang JC, Zhu YZ, Zhang W, Sun PC. Soluble interleukin‑2 receptor as a factor associated with angiogenesis in gastric cancer. Mol Med Rep 2017; 16:6916-6919. [PMID: 28901504 DOI: 10.3892/mmr.2017.7434] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2016] [Accepted: 05/30/2017] [Indexed: 11/05/2022] Open
Abstract
Angiogenesis serves a role in the growth, metastasis and prognosis of tumors. The aim of the present study was to evaluate the angiogenic ability and clinical significance of the immune biomarker soluble interleukin‑2 receptor (sIL‑2R) in gastric cancer (GC) patients. Serum levels of sIL‑2R were measured in 35 GC patients with different stages of disease and 32 healthy individuals, and it was investigated whether the levels were associated with angiogenesis factors, including vascular endothelial growth factor (VEGF) and transforming growth factor (TGF)‑β1. Human umbilical vein endothelial cells (HUVECs) were pretreated with or without recombinant human (rh)sIL‑2R, VEGF and TGF‑β1 for 24 h, and then the HUVECSs were harvested to determine the degree of angiogenesis. The supernatants were also collected for VEGF and TGF‑β1 testing. Serum levels of sIL‑2R were higher in GC patients than in healthy individuals, as were the levels of VEGF and TGF‑β1. In addition, serum levels of sIL‑2R were positively associated with the levels of VEGF and TGF‑β1. Angiogenesis of HUVECs was also increased by rhsIL‑2R pretreatment. VEGF and TGF‑β1 secretion were also incre-ased in supernatants that were pretreated with rhsIL‑2R. The results of the present study suggested that serum levels of sIL‑2R contributes to the pathophysiology of GC progression and may be used as a prognostic biomarker for GC.
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Affiliation(s)
- Wen-Feng Yan
- Department of General Surgery, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, Henan 450003, P.R. China
| | - Chang-Fu Nie
- Department of Hepatobiliary Surgery, Affiliated Tumor Hospital of Zhengzhou University, Division of Hepatobiliary and Pancreatic Surgery, Henan Tumor Hospital, Zhengzhou, Henan 450008, P.R. China
| | - Gang Wu
- Department of General Surgery, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, Henan 450003, P.R. China
| | - Jian-Cheng Zhang
- Department of General Surgery, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, Henan 450003, P.R. China
| | - Yuan-Zeng Zhu
- Department of General Surgery, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, Henan 450003, P.R. China
| | - Wei Zhang
- Department of General Surgery, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, Henan 450003, P.R. China
| | - Pei-Chun Sun
- Department of General Surgery, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, Henan 450003, P.R. China
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Angiogenesis and cancer stem cells: New perspectives on therapy of ovarian cancer. Eur J Med Chem 2017; 142:87-94. [PMID: 28651817 DOI: 10.1016/j.ejmech.2017.06.030] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2017] [Revised: 06/14/2017] [Accepted: 06/16/2017] [Indexed: 12/18/2022]
Abstract
Failure in ovarian cancer therapy, following cytoreduction and chemotherapy, is related to the presence of cancer stem cells - a small subpopulation of cells resistant to chemotherapy and irradiation - in the tumour which may cause cancer relapse and manifestation of metastases. Therapies targeted at Cancer Stem Cells (CSCs), such as those employing metformin (a drug used in the treatment of diabetes type II) and salinomycin, an antibiotic isolated from Streptococcus albus bacteria, seem promising. Anti-angiogenic therapy with bevacizumab was found to be effective in all phases of ovarian cancer treatment. The presence of CSCs has been associated with angiogenesis. Several CSC biomarkers correlate with the markers of angiogenesis and some signalling pathways, e.g. Notch, and are used by both CSCs and by pro-angiogenic factors.
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24
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Dewangan J, Srivastava S, Rath SK. Salinomycin: A new paradigm in cancer therapy. Tumour Biol 2017; 39:1010428317695035. [PMID: 28349817 DOI: 10.1177/1010428317695035] [Citation(s) in RCA: 87] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
The primary hurdle in the treatment of cancer is acquisition of resistance by the tumor cells toward multiple drugs and selectively targeting the cancer stem cells. This problem was overcome by the chemotherapeutic property of recently discovered drug salinomycin. Exact mechanism of action of salinomycin is not yet known, but there are multiple pathways by which salinomycin inhibits tumor growth. Salinomycin decreases the expression of adenosine triphosphate-binding cassette transporter in multidrug resistance cells and interferes with Akt signaling pathway, Wnt/β-catenin, Hedgehog, and Notch pathways of cancer progression. Salinomycin selectively targets cancer stem cells. The potential of salinomycin to eliminate both cancer stem cells and therapy-resistant cancer cells may characterize the compound as a novel and an efficient chemotherapeutic drug.
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Affiliation(s)
- Jayant Dewangan
- Genotoxicity Laboratory, Division of Toxicology, CSIR-Central Drug Research Institute, Lucknow, India
| | - Sonal Srivastava
- Genotoxicity Laboratory, Division of Toxicology, CSIR-Central Drug Research Institute, Lucknow, India
| | - Srikanta Kumar Rath
- Genotoxicity Laboratory, Division of Toxicology, CSIR-Central Drug Research Institute, Lucknow, India
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25
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Bi YL, Mi PY, Zhao SJ, Pan HM, Li HJ, Liu F, Shao LR, Zhang HF, Zhang P, Jiang SL. Salinomycin exhibits anti-angiogenic activity against human glioma in vitro and in vivo by suppressing the VEGF-VEGFR2-AKT/FAK signaling axis. Int J Mol Med 2017; 39:1255-1261. [PMID: 28358414 PMCID: PMC5403467 DOI: 10.3892/ijmm.2017.2940] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Accepted: 03/27/2017] [Indexed: 12/22/2022] Open
Abstract
Tumor angiogenesis plays a crucial role in tumor growth, progression and metastasis, and suppression of tumor angiogenesis has been considered as a promising anticancer strategy. Salinomycin (SAL), an antibiotic, displays novel anticancer potential against several human cancer cells in vitro and in vivo. However, little information concerning its anti-angiogenic properties is available. Therefore, the anti‑angiogenic effect of SAL and the underlying mechanism in human glioma were evaluated in the present study. The results indicated that SAL treatment significantly inhibited human umbilical vein endothelial cell (HUVEC) proliferation, migration, invasion and capillary-like tube formation. Further investigation on intracellular mechanisms showed that SAL markedly suppressed FAK and AKT phosphorylation, and downregulated vascular endothelial growth factor (VEGF) expression in HUVECs. Pretreatment of cells with a PI3K inhibitor (LY294002) and FAK inhibitor (PF562271) markedly enhanced SAL-induced inhibition of HUVEC proliferation and migration, respectively. Moreover, U251 human glioma xenograft growth was also effectively blocked by SAL treatment in vivo via inhibition of angiogenesis involving FAK and AKT depho-sphorylation. Taken together, our findings validated that SAL inhibits angiogenesis and human glioma growth through suppression of the VEGF-VEGFR2-AKT/FAK signaling axis, indicating the potential application of SAL for the treatment of human glioma.
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Affiliation(s)
- Yan-Ling Bi
- Department of Cardiology, Taian Central Hospital, Taian, Shandong 271000, P.R. China
| | - Pei-Yan Mi
- Department of Cardiology, Taian Central Hospital, Taian, Shandong 271000, P.R. China
| | - Shi-Jun Zhao
- Key Laboratory of Cerebral Microcirculation in Universities of Shandong, Taishan Medical University, Taian, Shandong 271000, P.R. China
| | - Heng-Ming Pan
- Department of Cardiology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong 250021, P.R. China
| | - Hui-Juan Li
- Department of Cardiology, Taian Central Hospital, Taian, Shandong 271000, P.R. China
| | - Fei Liu
- Department of Breast Surgery, Taian Central Hospital, Taian, Shandong 271000, P.R. China
| | - Lu-Rong Shao
- Key Laboratory of Cerebral Microcirculation in Universities of Shandong, Taishan Medical University, Taian, Shandong 271000, P.R. China
| | - Hui-Fang Zhang
- Key Laboratory of Cerebral Microcirculation in Universities of Shandong, Taishan Medical University, Taian, Shandong 271000, P.R. China
| | - Pu Zhang
- Department of Cardiology, Taian Central Hospital, Taian, Shandong 271000, P.R. China
| | - Shi-Liang Jiang
- Department of Cardiology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong 250021, P.R. China
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26
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A potential anticancer ability of 1,2-di(quinazolin-4-yl)diselane against gastric cancer cells through ROS signaling pathway. Med Chem Res 2017. [DOI: 10.1007/s00044-017-1799-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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27
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Lv Q, Hu JX, Li YJ, Xie N, Song DD, Zhao W, Yan YF, Li BS, Wang PY, Xie SY. MiR-320a effectively suppresses lung adenocarcinoma cell proliferation and metastasis by regulating STAT3 signals. Cancer Biol Ther 2017; 18:142-151. [PMID: 28106481 DOI: 10.1080/15384047.2017.1281497] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
MicroRNAs play important roles in tumorigenesis of various types of cancers. MiR-320a can inhibits cell proliferation of some cancers, but the biologic roles of miR-320a in lung cancer need to be further studied. Here, we investigated the roles of miR-320a in suppressing the proliferation of lung adenocarcinoma cells. MiR-320a treatment was found to effectively suppress LTEP-a-2 and A549 cell proliferation, and induce more apoptotic cells with irradiation treatment compared with control treatment. Our results also showed that miR-320a, as a novel miRNA, directly regulated signal transducer and activator of transcription 3 (STAT3) and its signals, such as Bcl-2, Bax, and Caspase 3. The siRNA-inhibited STAT3 levels further proved its roles in regulating STAT3 signals. Moreover, miR-320a treatment effectively suppressed cancer cell growth in mice xenografts compared with controls, and significantly inhibited cell migration in vitro and in vivo. Our findings collectively demonstrated that miR-320a, by directly regulating STAT3 signals, not only suppressed cell proliferation and metastasis, but also enhanced irradiation-induced apoptosis of adenocarcinomia cells.
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Affiliation(s)
- Qing Lv
- a Key Laboratory of Tumor Molecular Biology in Binzhou Medical University, Department of Biochemistry and Molecular Biology , Binzhou Medical University , YanTai , Shandong , P.R. China
| | - Jin-Xia Hu
- a Key Laboratory of Tumor Molecular Biology in Binzhou Medical University, Department of Biochemistry and Molecular Biology , Binzhou Medical University , YanTai , Shandong , P.R. China
| | - You-Jie Li
- a Key Laboratory of Tumor Molecular Biology in Binzhou Medical University, Department of Biochemistry and Molecular Biology , Binzhou Medical University , YanTai , Shandong , P.R. China
| | - Ning Xie
- b YanTaiShan Hospital , YanTai , Shandong , P.R. China
| | - Dan Dan Song
- a Key Laboratory of Tumor Molecular Biology in Binzhou Medical University, Department of Biochemistry and Molecular Biology , Binzhou Medical University , YanTai , Shandong , P.R. China
| | - Wei Zhao
- a Key Laboratory of Tumor Molecular Biology in Binzhou Medical University, Department of Biochemistry and Molecular Biology , Binzhou Medical University , YanTai , Shandong , P.R. China
| | - Yun-Fei Yan
- a Key Laboratory of Tumor Molecular Biology in Binzhou Medical University, Department of Biochemistry and Molecular Biology , Binzhou Medical University , YanTai , Shandong , P.R. China
| | - Bao-Sheng Li
- c Department of Radiation Oncology , Shandong Cancer Hospital, Shandong Academy of Medical Sciences , Jinan , P.R. China
| | - Ping-Yu Wang
- a Key Laboratory of Tumor Molecular Biology in Binzhou Medical University, Department of Biochemistry and Molecular Biology , Binzhou Medical University , YanTai , Shandong , P.R. China
| | - Shu-Yang Xie
- a Key Laboratory of Tumor Molecular Biology in Binzhou Medical University, Department of Biochemistry and Molecular Biology , Binzhou Medical University , YanTai , Shandong , P.R. China
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28
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Zhang Q, Cao J, Xue K, Liu X, Ji D, Guo Y, Hong X. Recombinant human endostatin in combination with CHOP regimen for peripheral T cell lymphoma. Onco Targets Ther 2016; 10:145-151. [PMID: 28053548 PMCID: PMC5189703 DOI: 10.2147/ott.s117007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Peripheral T cell lymphoma (PTCL) has a poor prognosis. Overexpression of vascular endothelial growth factor (VEGF) might contribute to the poor prognosis of PTCL and could be the target of novel therapy. The efficacy and safety of recombinant human endostatin (Endostar) in combination with cyclophosphamide, doxorubicin, vincristine and prednisone (ECHOP) have been explored in 15 PTCL patients. The objective response rate was 80%, with 53.3% patients having achieved complete response (CR) rate. The CR rate was 100% (3/3) in angioimmunoblastic T cell lymphoma (AITL) patients compared to only 36.4% (4/11) in PTCL not otherwise specified (PTCL-NOS) patients. With a median follow-up of 69 months, the 5-year progression-free survival and overall survival (OS) were 53% and 60%, respectively. The 5-year OS was 100% in AITL but was only 45% in PTCL-NOS. Seven out of 11 patients showed overexpression of VEGFR2 in their tumor vessels and had a better efficacy than those with low expression of VEGFR2. Grade 3 or 4 neutropenia is the most common toxicity observed. ECHOP was safe and might display potential benefit in AITL patients.
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Affiliation(s)
- Qunling Zhang
- Department of Medical Oncology, Fudan University Shanghai Cancer Center; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, People's Republic of China
| | - Junning Cao
- Department of Medical Oncology, Fudan University Shanghai Cancer Center; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, People's Republic of China
| | - Kai Xue
- Department of Medical Oncology, Fudan University Shanghai Cancer Center; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, People's Republic of China
| | - Xiaojian Liu
- Department of Medical Oncology, Fudan University Shanghai Cancer Center; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, People's Republic of China
| | - Dongmei Ji
- Department of Medical Oncology, Fudan University Shanghai Cancer Center; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, People's Republic of China
| | - Ye Guo
- Department of Medical Oncology, Fudan University Shanghai Cancer Center; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, People's Republic of China
| | - Xiaonan Hong
- Department of Medical Oncology, Fudan University Shanghai Cancer Center; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, People's Republic of China
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29
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Zhao SJ, Wang XJ, Wu QJ, Liu C, Li DW, Fu XT, Zhang HF, Shao LR, Sun JY, Sun BL, Zhai J, Fan CD. Induction of G1 Cell Cycle Arrest in Human Glioma Cells by Salinomycin Through Triggering ROS-Mediated DNA Damage In Vitro and In Vivo. Neurochem Res 2016; 42:997-1005. [PMID: 27995497 DOI: 10.1007/s11064-016-2132-5] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Revised: 11/27/2016] [Accepted: 12/02/2016] [Indexed: 11/24/2022]
Abstract
Chemotherapy has always been one of the most effective ways in combating human glioma. However, the high metastatic potential and resistance toward standard chemotherapy severely hindered the chemotherapy outcomes. Hence, searching effective chemotherapy drugs and clarifying its mechanism are of great significance. Salinomycin an antibiotic shows novel anticancer potential against several human tumors, including human glioma, but its mechanism against human glioma cells has not been fully elucidated. In the present study, we demonstrated that salinomycin treatment time- and dose-dependently inhibited U251 and U87 cells growth. Mechanically, salinomycin-induced cell growth inhibition against human glioma was mainly achieved by induction of G1-phase arrest via triggering reactive oxide species (ROS)-mediated DNA damage, as convinced by the activation of histone, p53, p21 and p27. Furthermore, inhibition of ROS accumulation effectively attenuated salinomycin-induced DNA damage and G1 cell cycle arrest, and eventually reversed salinomycin-induced cytotoxicity. Importantly, salinomycin treatment also significantly inhibited the U251 tumor xenograft growth in vivo through triggering DNA damage-mediated cell cycle arrest with involvement of inhibiting cell proliferation and angiogenesis. The results above validated the potential of salinomycin-based chemotherapy against human glioma.
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Affiliation(s)
- Shi-Jun Zhao
- Department of Neurology, Shandong University School of Medicine, Jinan, Shandong, 250012, China
- Taishan Medical University, Taian, Shandong, 271000, China
- Department of Neurology, Baotou Central Hospital, Baotou, Inner Mongolia, 014040, China
| | - Xian-Jun Wang
- Department of Neurology, Linyi People's Hospital, Linyi, Shandong, 276000, China
| | - Qing-Jian Wu
- Taishan Medical University, Taian, Shandong, 271000, China
| | - Chao Liu
- Taishan Medical University, Taian, Shandong, 271000, China
| | - Da-Wei Li
- Taishan Medical University, Taian, Shandong, 271000, China
| | - Xiao-Ting Fu
- Taishan Medical University, Taian, Shandong, 271000, China
| | - Hui-Fang Zhang
- Taishan Medical University, Taian, Shandong, 271000, China
| | - Lu-Rong Shao
- Taishan Medical University, Taian, Shandong, 271000, China
| | - Jing-Yi Sun
- Taishan Medical University, Taian, Shandong, 271000, China
| | - Bao-Liang Sun
- Taishan Medical University, Taian, Shandong, 271000, China.
| | - Jing Zhai
- Taishan Medical University, Taian, Shandong, 271000, China.
| | - Cun-Dong Fan
- Taishan Medical University, Taian, Shandong, 271000, China.
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