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Aysin F. Bisphenol A promotes cell death in healthy respiratory system cells through inhibition of cell proliferation and induction of G2/M cell cycle arrest. Environ Toxicol 2024; 39:3264-3273. [PMID: 38459623 DOI: 10.1002/tox.24203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 02/05/2024] [Accepted: 02/15/2024] [Indexed: 03/10/2024]
Abstract
Bisphenol A (BPA) is a substance that can harm the environment and human health by interfering with the normal functioning of the body's hormonal system. It is commonly found in various plastic-based products such as cosmetics, canned foods, beverage containers, and medical equipment and as well as it can also be absorbed by inhalation. There have been limited studies on the effects of BPA on lung fibroblasts, and it is still unclear how high levels of BPA can impact respiratory system cells, particularly the lungs and trachea. In this research, we aimed to investigate the cell cycle disruption potential of BPA on respiratory system cells by examining healthy trachea and lung cells together for the first time. The findings indicated that BPA exposure can alter the healthy cells' morphology, leading to reduced cellular viability that has been assessed by MTT and SRB assays. BPA treatment was able to activate caspase3 as expected, which could cause apoptosis in treated cells. Although the highest dose of BPA did not increase the apoptotic rate of rat trachea cells, it remarkably caused them to become necrotic (52.12%). In addition to quantifying the induction of apoptosis and necrosis by BPA, cell cycle profiles were also determined using flow cytometry. Thereby, BPA treatment unexpectedly inhibited the cell cycle's progression by causing G2/M cell cycle arrest in both lung and tracheal cells, which hindered cell proliferation. The findings of the study suggested that exposure to BPA could lead to serious respiratory problems, even respiratory tract cancers via alterations in the cell cycle.
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Affiliation(s)
- Ferhunde Aysin
- Department of Biology, Faculty of Science, Atatürk University, Erzurum, Turkey
- East Anatolia High Technology Application and Research Center (DAYTAM), Atatürk University, Erzurum, Turkey
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Mekala S, Rai R, Reed SL, Bowen B, Michalopoulos GK, Locker J, Raeman R, Oertel M. Antagonizing Activin A/p15 INK4b Signaling as Therapeutic Strategy for Liver Disease. Cells 2024; 13:649. [PMID: 38607090 PMCID: PMC11011318 DOI: 10.3390/cells13070649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 01/09/2024] [Accepted: 02/01/2024] [Indexed: 04/13/2024] Open
Abstract
BACKGROUND/AIM Activin A is involved in the pathogenesis of human liver diseases, but its therapeutic targeting is not fully explored. Here, we tested the effect of novel, highly specific small-molecule-based activin A antagonists (NUCC-474/555) in improving liver regeneration following partial hepatectomy and halting fibrosis progression in models of chronic liver diseases (CLDs). METHODS Cell toxicity of antagonists was determined in rat hepatocytes and Huh-7 cells using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide assay. Hepatocytes and hepatic stellate cells (HSCs) were treated with activin A and NUCC-555 and analyzed by reverse transcription-polymerase chain reaction and immunohistochemistry. Partial hepatectomized Fisher (F)344 rats were treated with NUCC-555, and bromodeoxyuridine (BrdU) incorporation was determined at 18/24/36/120/240 h. NUCC-555 was administered into thioacetamide- or carbon tetrachloride-treated F344 rats or C57BL/6 mice, and the fibrosis progression was studied. RESULTS NUCC-474 showed higher cytotoxicity in cultured hepatic cells; therefore, NUCC-555 was used in subsequent studies. Activin A-stimulated overexpression of cell cycle-/senescence-related genes (e.g., p15INK4b, DEC1, Glb1) was near-completely reversed by NUCC-555 in hepatocytes. Activin A-mediated HSC activation was blocked by NUCC-555. In partial hepatectomized rats, antagonizing activin A signaling resulted in a 1.9-fold and 2.3-fold increase in BrdU+ cells at 18 and 24 h, respectively. Administration of NUCC-555 in rats and mice with progressing fibrosis significantly reduced collagen accumulation (7.9-fold), HSC activation indicated by reduced alpha smooth muscle actin+ and vimentin+ cells, and serum aminotransferase activity. CONCLUSIONS Our studies demonstrate that activin A antagonist NUCC-555 promotes liver regeneration and halts fibrosis progression in CLD models, suggesting that blocking activin A signaling may represent a new approach to treating people with CLD.
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Affiliation(s)
- Sowmya Mekala
- Department of Pathology, Division of Experimental Pathology, University of Pittsburgh, 200 Lothrop Street—BST S-404, Pittsburgh, PA 15261, USA (R.R.); (G.K.M.); (R.R.)
| | - Ravi Rai
- Department of Pathology, Division of Experimental Pathology, University of Pittsburgh, 200 Lothrop Street—BST S-404, Pittsburgh, PA 15261, USA (R.R.); (G.K.M.); (R.R.)
| | - Samantha Loretta Reed
- Department of Pathology, Division of Experimental Pathology, University of Pittsburgh, 200 Lothrop Street—BST S-404, Pittsburgh, PA 15261, USA (R.R.); (G.K.M.); (R.R.)
| | - Bill Bowen
- Department of Pathology, Division of Experimental Pathology, University of Pittsburgh, 200 Lothrop Street—BST S-404, Pittsburgh, PA 15261, USA (R.R.); (G.K.M.); (R.R.)
| | - George K. Michalopoulos
- Department of Pathology, Division of Experimental Pathology, University of Pittsburgh, 200 Lothrop Street—BST S-404, Pittsburgh, PA 15261, USA (R.R.); (G.K.M.); (R.R.)
- Pittsburgh Liver Research Center (PLRC), University of Pittsburgh, Pittsburgh, PA 15261, USA
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA 15219, USA
| | - Joseph Locker
- Department of Pathology, Division of Experimental Pathology, University of Pittsburgh, 200 Lothrop Street—BST S-404, Pittsburgh, PA 15261, USA (R.R.); (G.K.M.); (R.R.)
- Pittsburgh Liver Research Center (PLRC), University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Reben Raeman
- Department of Pathology, Division of Experimental Pathology, University of Pittsburgh, 200 Lothrop Street—BST S-404, Pittsburgh, PA 15261, USA (R.R.); (G.K.M.); (R.R.)
- Pittsburgh Liver Research Center (PLRC), University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Michael Oertel
- Department of Pathology, Division of Experimental Pathology, University of Pittsburgh, 200 Lothrop Street—BST S-404, Pittsburgh, PA 15261, USA (R.R.); (G.K.M.); (R.R.)
- Pittsburgh Liver Research Center (PLRC), University of Pittsburgh, Pittsburgh, PA 15261, USA
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA 15219, USA
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3
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Wang J, Zhang Z, Li Q, Hu Z, Chen Y, Chen H, Cai W, Du Q, Zhang P, Xiong D, Ye S. Network pharmacology and molecular docking reveal the mechanisms of curcumin activity against esophageal squamous cell carcinoma. Front Pharmacol 2024; 15:1282361. [PMID: 38633613 PMCID: PMC11021710 DOI: 10.3389/fphar.2024.1282361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 02/26/2024] [Indexed: 04/19/2024] Open
Abstract
Background: Curcumin (CUR), an effective traditional Chinese medicinal extract, displays good anti-cancer activity against various cancers. Nevertheless, the impacts and fundamental mechanisms of CUR to treat esophageal squamous cell carcinoma (ESCC) yet to be comprehensively clarified. This study examined the suppressive impacts of CUR on ESCC. Methods: For a comprehensive understanding of the effect of CUR in ESCC. The CUR targets and ESCC-related genes were identified respectively, and the intersection targets between CUR and ESCC were acquired. Then, we examined the intersection targets and discovered genes that were expressed differently in ESCC. Using DAVID, enrichment analyses were conducted on the targets of CUR-ESCC. The STRING database and Cytoscape v.3.9.1 were utilized to build networks for protein-protein interaction (PPI) and drug-target-pathway. Furthermore, the interactions between CUR and its core targets were confirmed by molecular docking studies. To confirm the effects of CUR on ESCC cells, in vitro experiments were finally conducted. Results: Overall, 47 potential CUR targets for ESCC treatment were identified. The KEGG pathway enrichment analysis identified 61 signaling pathways, primarily associated with the FoxO signaling, the cell cycle, cellular senescence, the IL-17 signaling pathway which play important roles in ESCC progression. In the PPI network and the docking results identified CHEK1 and CDK6 as the core targets that positively associated with ESCC survival. CUR arrested ESCC cells at the G2/M and S phases, as shown by flow cytometry. Colony formation and CCK8 assays showed that CUR can inhibit the proliferative ability of ESCC cells. The Transwell invasion results validated that CUR can significantly inhibit the invasion rates of ESCC cells. Conclusion: Collectively, these findings indicate that CUR exhibits pharmacological effects on multiple targets and pathways in ESCC.
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Affiliation(s)
- Jian Wang
- Department of Thoracic Surgery, Shanghai Xuhui Central Hospital, Shanghai, China
| | - Zhilong Zhang
- Department of Thoracic Surgery, Shanghai Xuhui Central Hospital, Shanghai, China
| | - Qian Li
- Department of General Practice, The Affiliated Wuxi People’s Hospital of Nanjing Medical University, Wuxi, China
| | - Zilong Hu
- Department of Thoracic Surgery, Shanghai Xuhui Central Hospital, Shanghai, China
| | - Yuan Chen
- Department of Thoracic Surgery, Shanghai Xuhui Central Hospital, Shanghai, China
| | - Hao Chen
- Department of Thoracic Surgery, Shanghai Xuhui Central Hospital, Shanghai, China
| | - Wei Cai
- Department of Thoracic Surgery, Shanghai Xuhui Central Hospital, Shanghai, China
| | - Qiancheng Du
- Department of Thoracic Surgery, Shanghai Xuhui Central Hospital, Shanghai, China
| | - Peng Zhang
- Department of Thoracic Surgery, Shanghai Xuhui Central Hospital, Shanghai, China
| | - Dian Xiong
- Department of Thoracic Surgery, Shanghai Xuhui Central Hospital, Shanghai, China
| | - Shugao Ye
- Department of Thoracic Surgery, Shanghai Xuhui Central Hospital, Shanghai, China
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Nöbel M, Barry C, MacDonald MA, Baker K, Shave E, Mahler S, Munro T, Martínez VS, Nielsen LK, Marcellin E. Harnessing metabolic plasticity in CHO cells for enhanced perfusion cultivation. Biotechnol Bioeng 2024; 121:1371-1383. [PMID: 38079117 DOI: 10.1002/bit.28613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 10/25/2023] [Accepted: 11/19/2023] [Indexed: 04/01/2024]
Abstract
Chinese Hamster Ovary (CHO) cells have rapidly become a cornerstone in biopharmaceutical production. Recently, a reinvigoration of perfusion culture mode in CHO cell cultivation has been observed. However, most cell lines currently in use have been engineered and adapted for fed-batch culture methods, and may not perform optimally under perfusion conditions. To improve the cell's resilience and viability during perfusion culture, we cultured a triple knockout CHO cell line, deficient in three apoptosis related genes BAX, BAK, and BOK in a perfusion system. After 20 days of culture, the cells exhibited a halt in cell proliferation. Interestingly, following this phase of growth arrest, the cells entered a second growth phase. During this phase, the cell numbers nearly doubled, but cell specific productivity decreased. We performed a proteomics investigation, elucidating a distinct correlation between growth arrest and cell cycle arrest and showing an upregulation of the central carbon metabolism and oxidative phosphorylation. The upregulation was partially reverted during the second growth phase, likely caused by intragenerational adaptations to stresses encountered. A phase-dependent response to oxidative stress was noted, indicating glutathione has only a secondary role during cell cycle arrest. Our data provides evidence of metabolic regulation under high cell density culturing conditions and demonstrates that cell growth arrest can be overcome. The acquired insights have the potential to not only enhance our understanding of cellular metabolism but also contribute to the development of superior cell lines for perfusion cultivation.
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Affiliation(s)
- Matthias Nöbel
- Australian Institute for Bioengineering and Nanotechnology, ARC Training Centre for Biopharmaceutical Innovation, The University of Queensland, St. Lucia, Australia
| | - Craig Barry
- Australian Institute for Bioengineering and Nanotechnology, ARC Training Centre for Biopharmaceutical Innovation, The University of Queensland, St. Lucia, Australia
- ARC Centre of Excellence in Synthetic Biology (COESB), The University of Queensland, St. Lucia, Australia
| | - Michael A MacDonald
- Australian Institute for Bioengineering and Nanotechnology, ARC Training Centre for Biopharmaceutical Innovation, The University of Queensland, St. Lucia, Australia
| | - Kym Baker
- Thermo Fisher Scientific, Woolloongabba, Australia
| | - Evan Shave
- Thermo Fisher Scientific, Woolloongabba, Australia
| | - Stephen Mahler
- Australian Institute for Bioengineering and Nanotechnology, ARC Training Centre for Biopharmaceutical Innovation, The University of Queensland, St. Lucia, Australia
| | - Trent Munro
- Australian Institute for Bioengineering and Nanotechnology, ARC Training Centre for Biopharmaceutical Innovation, The University of Queensland, St. Lucia, Australia
| | - Verónica S Martínez
- Australian Institute for Bioengineering and Nanotechnology, ARC Training Centre for Biopharmaceutical Innovation, The University of Queensland, St. Lucia, Australia
| | - Lars K Nielsen
- Australian Institute for Bioengineering and Nanotechnology, ARC Training Centre for Biopharmaceutical Innovation, The University of Queensland, St. Lucia, Australia
- ARC Centre of Excellence in Synthetic Biology (COESB), The University of Queensland, St. Lucia, Australia
- The Novo Nordisk Foundation Centre for Biosustainability, Technical University of Denmark, Kongens Lyngby, Denmark
- Queensland Metabolomics and Proteomics (Q-MAP), The University of Queensland, St. Lucia, Australia
| | - Esteban Marcellin
- Australian Institute for Bioengineering and Nanotechnology, ARC Training Centre for Biopharmaceutical Innovation, The University of Queensland, St. Lucia, Australia
- ARC Centre of Excellence in Synthetic Biology (COESB), The University of Queensland, St. Lucia, Australia
- Queensland Metabolomics and Proteomics (Q-MAP), The University of Queensland, St. Lucia, Australia
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5
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Zamanian MY, Golmohammadi M, Abdullaev B, García MO, Alazbjee AAA, Kumar A, Mohaamed SS, Hussien BM, Khalaj F, Hodaei SM, Shirsalimi N, Moriasi G. A narrative review on therapeutic potential of naringenin in colorectal cancer: Focusing on molecular and biochemical processes. Cell Biochem Funct 2024; 42:e4011. [PMID: 38583080 DOI: 10.1002/cbf.4011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 03/24/2024] [Accepted: 03/31/2024] [Indexed: 04/08/2024]
Abstract
Colorectal cancer (CRC) is a common and highly metastatic cancer affecting people worldwide. Drug resistance and unwanted side effects are some of the limitations of current treatments for CRC. Naringenin (NAR) is a naturally occurring compound found in abundance in various citrus fruits such as oranges, grapefruits, and tomatoes. It possesses a diverse range of pharmacological and biological properties that are beneficial for human health. Numerous studies have highlighted its antioxidant, anticancer, and anti-inflammatory activities, making it a subject of interest in scientific research. This review provides a comprehensive overview of the effects of NAR on CRC. The study's findings indicated that NAR: (1) interacts with estrogen receptors, (2) regulates the expression of genes related to the p53 signaling pathway, (3) promotes apoptosis by increasing the expression of proapoptotic genes (Bax, caspase9, and p53) and downregulation of the antiapoptotic gene Bcl2, (4) inhibits the activity of enzymes involved in cell survival and proliferation, (5) decreases cyclin D1 levels, (6) reduces the expression of cyclin-dependent kinases (Cdk4, Cdk6, and Cdk7) and antiapoptotic genes (Bcl2, x-IAP, and c-IAP-2) in CRC cells. In vitro CDK2 binding assay was also performed, showing that the NAR derivatives had better inhibitory activities on CDK2 than NAR. Based on the findings of this study, NAR is a potential therapeutic agent for CRC. Additional pharmacology and pharmacokinetics studies are required to fully elucidate the mechanisms of action of NAR and establish the most suitable dose for subsequent clinical investigations.
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Affiliation(s)
- Mohammad Yasin Zamanian
- Department of Physiology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
- Department of Pharmacology and Toxicology, School of Pharmacy, Hamadan University of Medical Sciences, Hamadan, Iran
| | | | - Bekhzod Abdullaev
- Central Asian Center of Development Studies, New Uzbekistan University, Tashkent, Uzbekistan
- School of Medicine, Central Asian University, Tashkent, Uzbekistan
- Department of Medical Oncology and Radiology, Samarkand State Medical University
| | - María Olalla García
- Universidad Estatal de Bolívar, Facultad de Ciencias de la Salud y del Ser Humano, Carrera de Enfermería, CP, Guaranda, Ecuador
| | | | - Abhinav Kumar
- Department of Nuclear and Renewable Energy, Ural Federal University Named after the First President of Russia Boris Yeltsin, Ekaterinburg, Russia
| | - Sameer S Mohaamed
- Department of Pharmacy, Al Rafidain University College, Bagdad, Iraq
| | - Beneen M Hussien
- Medical Laboratory Technique College, the Islamic University, Najaf, Iraq
- Medical Laboratory Technique College, the Islamic University of Al Diwaniyah, Al Diwaniyah, Iraq
- Medical Laboratory Technique College, the Islamic University of Babylon, Babylon, Iraq
| | - Fattaneh Khalaj
- Digestive Diseases Research Center, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Niyousha Shirsalimi
- Department of Physiology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Gervason Moriasi
- Department of Medical Biochemistry, School of Medicine, College of Health Sciences, Mount Kenya University, Thika, Kenya
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Recchia Luciani G, Barilli A, Visigalli R, Sala R, Dall’Asta V, Rotoli BM. IRF1 Mediates Growth Arrest and the Induction of a Secretory Phenotype in Alveolar Epithelial Cells in Response to Inflammatory Cytokines IFNγ/TNFα. Int J Mol Sci 2024; 25:3463. [PMID: 38542436 PMCID: PMC10970306 DOI: 10.3390/ijms25063463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 03/13/2024] [Accepted: 03/15/2024] [Indexed: 04/04/2024] Open
Abstract
In COVID-19, cytokine release syndrome can cause severe lung tissue damage leading to acute respiratory distress syndrome (ARDS). Here, we address the effects of IFNγ, TNFα, IL-1β and IL-6 on the growth arrest of alveolar A549 cells, focusing on the role of the IFN regulatory factor 1 (IRF1) transcription factor. The efficacy of JAK1/2 inhibitor baricitinib has also been tested. A549 WT and IRF1 KO cells were exposed to cytokines for up to 72 h. Cell proliferation and death were evaluated with the resazurin assay, analysis of cell cycle and cycle-regulator proteins, LDH release and Annexin-V positivity; the induction of senescence and senescence-associated secretory phenotype (SASP) was evaluated through β-galactosidase staining and the quantitation of secreted inflammatory mediators. While IL-1 and IL-6 proved ineffective, IFNγ plus TNFα caused a proliferative arrest in A549 WT cells with alterations in cell morphology, along with the acquisition of a secretory phenotype. These effects were STAT and IRF1-dependent since they were prevented by baricitinib and much less evident in IRF1 KO than in WT cells. In alveolar cells, STATs/IRF1 axis is required for cytokine-induced proliferative arrest and the induction of a secretory phenotype. Hence, baricitininb is a promising therapeutic strategy for the attenuation of senescence-associated inflammation.
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Affiliation(s)
| | | | | | | | - Valeria Dall’Asta
- Laboratory of General Pathology, Department of Medicine and Surgery, University of Parma, 43125 Parma, Italy (R.S.); (B.M.R.)
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7
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Shen Z, Yin L, Chang M, Wang H, Hao M, Liang Y, Guo R, Bi Y, Wang J, Yu C, Li J, Zhai Q, Cheng R, Zhang J, Sun J, Yang Z. Medicarpin suppresses lung cancer cell growth in vitro and in vivo by inducing cell apoptosis. Acta Pharm 2024; 74:149-164. [PMID: 38554387 DOI: 10.2478/acph-2024-0006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 02/13/2024] [Indexed: 04/01/2024]
Abstract
Lung cancer (LC) is the leading cause of cancer deaths worldwide. Surgery, chemoradiotherapy, targeted therapy, and immunotherapy are considered dominant treatment strategies for LC in the clinic. However, drug resistance and meta-stasis are two major challenges in cancer therapies. Medicarpin (MED) is an isoflavone compound isolated from alfalfa, which is usually used in traditional medicine. This study was de sig ned to evaluate the anti-LC effect and reveal the underlying mechanisms of MED in vivo and in vitro. We found that MED could significantly inhibit proliferation, induce apoptosis, and cell cycle arrest of A549 and H157 cell lines. Basically, MED induced cell apoptosis of LC cells by upregu lating the expression of pro-apoptotic proteins BAX and Bak1, leading to the cleavage of caspase-3 (Casp3). Moreover, MED inhibited the proliferation of LC cells via downregulating the expression of proliferative protein Bid. Overall, MED inhibited LC cell growth in vitro and in vivo via suppressing cell proliferation and inducing cell apoptosis, suggesting the therapeutic potential of MED in treating LC.
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Affiliation(s)
- Zongyi Shen
- College of Life Science and Technology, Innovation Center of Molecular Diagnostics, Beijing University of Chemical Technology, Beijing 100029, China
| | - Liqi Yin
- College of Life Science and Technology, Innovation Center of Molecular Diagnostics, Beijing University of Chemical Technology, Beijing 100029, China
| | - Manxia Chang
- College of Life Science and Technology, Innovation Center of Molecular Diagnostics, Beijing University of Chemical Technology, Beijing 100029, China
| | - Haifeng Wang
- Department of Urology, The Second Affiliated Hospital of Kunming Medical University, Kunming 650101, China
| | - Mingxuan Hao
- College of Life Science and Technology, Innovation Center of Molecular Diagnostics, Beijing University of Chemical Technology, Beijing 100029, China
| | - Youfeng Liang
- College of Life Science and Technology, Innovation Center of Molecular Diagnostics, Beijing University of Chemical Technology, Beijing 100029, China
| | - Rui Guo
- College of Life Science and Technology, Innovation Center of Molecular Diagnostics, Beijing University of Chemical Technology, Beijing 100029, China
| | - Ying Bi
- College of Life Science and Technology, Innovation Center of Molecular Diagnostics, Beijing University of Chemical Technology, Beijing 100029, China
| | - Jiansong Wang
- Department of Urology, The Second Affiliated Hospital of Kunming Medical University, Kunming 650101, China
| | - Changyuan Yu
- College of Life Science and Technology, Innovation Center of Molecular Diagnostics, Beijing University of Chemical Technology, Beijing 100029, China
| | - Jinmei Li
- Department of Pathology, Baoding No. 1 Central Hospital, Baoding 071000, Hebei, China
- Key Laboratory of Molecular Pathology and Early Diagnosis of Tumor in Hebei Province, Baoding 071000, Hebei, China
| | - Qiongli Zhai
- Department of Pathology, National Clinical Research Center of Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, China
| | - Runfen Cheng
- Department of Pathology, National Clinical Research Center of Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, China
| | - Jinku Zhang
- Department of Pathology, Baoding No. 1 Central Hospital, Baoding 071000, Hebei, China
- Key Laboratory of Molecular Pathology and Early Diagnosis of Tumor in Hebei Province, Baoding 071000, Hebei, China
| | - Jirui Sun
- Department of Pathology, Baoding No. 1 Central Hospital, Baoding 071000, Hebei, China
- Key Laboratory of Molecular Pathology and Early Diagnosis of Tumor in Hebei Province, Baoding 071000, Hebei, China
| | - Zhao Yang
- College of Life Science and Technology, Innovation Center of Molecular Diagnostics, Beijing University of Chemical Technology, Beijing 100029, China
- College of Life Science and Technology, Key Laboratory of Protection and Utilization of Biological Resources in Tarim Basin of Xinjiang Production and Construction Corps, Tarim University, Alar 843300 Xinjiang, China
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8
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Rojas-Barón L, Hermosilla C, Taubert A, Velásquez ZD. Toxoplasma gondii Me49 and NED strains arrest host cell cycle progression and alter chromosome segregation in a strain-independent manner. Front Microbiol 2024; 15:1336267. [PMID: 38450167 PMCID: PMC10915083 DOI: 10.3389/fmicb.2024.1336267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 02/02/2024] [Indexed: 03/08/2024] Open
Abstract
Toxoplasma gondii is an obligate intracellular parasite that modulates a broad range of host cell functions to guarantee its intracellular development and replication. T. gondii includes three classical clonal lineages exhibiting different degrees of virulence. Regarding the genetic diversity of T. gondii circulating in Europe, type II strains and, to a lesser extent, type III strains are the dominant populations, both in humans and animals. Infections with the type I strain led to widespread parasite dissemination and death in mice, while type III is considered avirulent. Previously, we demonstrated that primary endothelial cells infected with the T. gondii RH strain (haplotype I) were arrested in the G2/M-phase transition, triggering cytokinesis failure and chromosome missegregation. Since T. gondii haplotypes differ in their virulence, we here studied whether T. gondii-driven host cell cycle perturbation is strain-dependent. Primary endothelial cells were infected with T. gondii Me49 (type II strain) or NED (type III strain), and their growth kinetics were compared up to cell lysis (6-30 h p. i.). In this study, only slight differences in the onset of full proliferation were observed, and developmental data in principle matched those of the RH strain. FACS-based DNA quantification to estimate cell proportions experiencing different cell cycle phases (G0/1-, S-, and G2/M-phase) revealed that Me49 and NED strains both arrested the host cell cycle in the S-phase. Cyclins A2 and B1 as key molecules of S- and M-phase were not changed by Me49 infection, while NED infection induced cyclin B1 upregulation. To analyze parasite-driven alterations during mitosis, we demonstrated that both Me49 and NED infections led to impaired host cellular chromosome segregation and irregular centriole overduplication. Moreover, in line with the RH strain, both strains boosted the proportion of binucleated cells within infected endothelial cell layers, thereby indicating enhanced cytokinesis failure. Taken together, we demonstrate that all parasite-driven host cell cycle arrest, chromosome missegregation, and binucleated phenotypes are T. gondii-specific but strain independent.
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Affiliation(s)
- Lisbeth Rojas-Barón
- Institute of Parasitology, Biomedical Research Center Seltersberg, Justus Liebig University Giessen, Giessen, Germany
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9
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Shih LJ, Hsu PC, Chuu CP, Shui HA, Yeh CC, Chen YC, Kao YH. Epigallocatechin-3-gallate Synergistically Enhanced Arecoline-Induced Cytotoxicity by Redirecting Cycle Arrest to Apoptosis. Curr Issues Mol Biol 2024; 46:1516-1529. [PMID: 38392216 PMCID: PMC10887523 DOI: 10.3390/cimb46020098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 02/08/2024] [Accepted: 02/10/2024] [Indexed: 02/24/2024] Open
Abstract
Carcinogens, such as arecoline, play a crucial role in cancer progression and continuous gene mutations by generating reactive oxygen species (ROS). Antioxidants can reduce ROS levels and potentially prevent cancer progression but may paradoxically enhance the survival of cancer cells. This study investigated whether epigallocatechin-3-gallate (EGCG), an antioxidant from green tea, could resolve this paradox. Prostate cancer cells (PC-3 cell line) were cultured and treated with arecoline combined with NAC (N-acetylcysteine) or EGCG; the combined effects on intracellular ROS levels and cell viability were examined using the MTT and DCFDA assays, respectively. In addition, apoptosis, cell cycle, and protein expression were investigated using flow cytometry and western blot analysis. Our results showed that EGCG, similar to NAC (N-acetylcysteine), reduced the intracellular ROS levels, which were elevated by arecoline. Moreover, EGCG not only caused cell cycle arrest but also facilitated cell apoptosis in arecoline-treated cells in a synergistic manner. These were evidenced by elevated levels of cyclin B1 and p27, and increased fragmentation of procaspase-3, PARP, and DNA. Our findings highlight the potential use of EGCG for cancer prevention and therapy.
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Affiliation(s)
- Li-Jane Shih
- Department of Medical Laboratory, Taoyuan Armed Forces General Hospital, Longtan, Taoyuan 325208, Taiwan
| | - Po-Chi Hsu
- Department of Life Sciences, National Central University, Jhongli, Taoyuan 320317, Taiwan
| | - Chih-Pin Chuu
- Institute of Cellular and System Medicine, National Health Research Institutes, Zhunan, Miaoli 350401, Taiwan
| | - Hao-Ai Shui
- Graduate Institute of Medical Science, National Defense Medical Center, Taipei 114201, Taiwan
| | - Chien-Chih Yeh
- Department of Medical Laboratory, Taoyuan Armed Forces General Hospital, Longtan, Taoyuan 325208, Taiwan
| | - Yueh-Chung Chen
- Division of Cardiology, Department of Internal Medicine, Taipei City Hospital, Renai Branch, Taipei 106243, Taiwan
| | - Yung-Hsi Kao
- Department of Life Sciences, National Central University, Jhongli, Taoyuan 320317, Taiwan
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10
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Zikry TM, Wolff SC, Ranek JS, Davis HM, Naugle A, Luthra N, Whitman AA, Kedziora KM, Stallaert W, Kosorok MR, Spanheimer PM, Purvis JE. Cell cycle plasticity underlies fractional resistance to palbociclib in ER+/HER2- breast tumor cells. Proc Natl Acad Sci U S A 2024; 121:e2309261121. [PMID: 38324568 PMCID: PMC10873600 DOI: 10.1073/pnas.2309261121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 01/05/2024] [Indexed: 02/09/2024] Open
Abstract
The CDK4/6 inhibitor palbociclib blocks cell cycle progression in Estrogen receptor-positive, human epidermal growth factor 2 receptor-negative (ER+/HER2-) breast tumor cells. Despite the drug's success in improving patient outcomes, a small percentage of tumor cells continues to divide in the presence of palbociclib-a phenomenon we refer to as fractional resistance. It is critical to understand the cellular mechanisms underlying fractional resistance because the precise percentage of resistant cells in patient tissue is a strong predictor of clinical outcomes. Here, we hypothesize that fractional resistance arises from cell-to-cell differences in core cell cycle regulators that allow a subset of cells to escape CDK4/6 inhibitor therapy. We used multiplex, single-cell imaging to identify fractionally resistant cells in both cultured and primary breast tumor samples resected from patients. Resistant cells showed premature accumulation of multiple G1 regulators including E2F1, retinoblastoma protein, and CDK2, as well as enhanced sensitivity to pharmacological inhibition of CDK2 activity. Using trajectory inference approaches, we show how plasticity among cell cycle regulators gives rise to alternate cell cycle "paths" that allow individual tumor cells to escape palbociclib treatment. Understanding drivers of cell cycle plasticity, and how to eliminate resistant cell cycle paths, could lead to improved cancer therapies targeting fractionally resistant cells to improve patient outcomes.
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Affiliation(s)
- Tarek M. Zikry
- Computational Medicine Program, University of North Carolina at Chapel Hill, Chapel Hill, NC27599
- Department of Biostatistics, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC27599
| | - Samuel C. Wolff
- Computational Medicine Program, University of North Carolina at Chapel Hill, Chapel Hill, NC27599
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC27599
| | - Jolene S. Ranek
- Computational Medicine Program, University of North Carolina at Chapel Hill, Chapel Hill, NC27599
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC27599
| | - Harris M. Davis
- Computational Medicine Program, University of North Carolina at Chapel Hill, Chapel Hill, NC27599
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC27599
| | - Ander Naugle
- Computational Medicine Program, University of North Carolina at Chapel Hill, Chapel Hill, NC27599
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC27599
| | - Namit Luthra
- Computational Medicine Program, University of North Carolina at Chapel Hill, Chapel Hill, NC27599
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC27599
| | - Austin A. Whitman
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC27599
| | - Katarzyna M. Kedziora
- Center for Biologic Imaging, Department of Cell Biology, University of Pittsburg, Pittsburgh, PA15620
| | - Wayne Stallaert
- Department of Computational and Systems Biology, University of Pittsburg, Pittsburgh, PA15620
| | - Michael R. Kosorok
- Department of Biostatistics, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC27599
| | - Philip M. Spanheimer
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC27599
- Department of Surgery, University of North Carolina at Chapel Hill, Chapel Hill, NC27599
| | - Jeremy E. Purvis
- Computational Medicine Program, University of North Carolina at Chapel Hill, Chapel Hill, NC27599
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC27599
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC27599
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11
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Yang K, Qi ZX, Sun MX, Xie LP. Hyperoside induces cell cycle arrest and suppresses tumorigenesis in bladder cancer through the interaction of EGFR-Ras and Fas signaling pathways. Int J Med Sci 2024; 21:690-702. [PMID: 38464829 PMCID: PMC10920848 DOI: 10.7150/ijms.90261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Accepted: 01/09/2024] [Indexed: 03/12/2024] Open
Abstract
Hyperoside is a natural flavonol glycoside widely found in plants and has been reported to have a variety of pharmacological effects, including anticancer abilities. In this study, we demonstrated for the first time that hyperoside inhibited the proliferation of bladder cancer cells in vitro and in vivo. Moreover, hyperoside could not only induce cell cycle arrest, but also induce apoptosis of a few bladder cancer cells. Quantitative proteomics, bioinformatics analysis and Western blotting confirmed that hyperoside induced the overexpression of EGFR, Ras and Fas proteins, which affects a variety of synergistic and antagonistic downstream signaling pathways, including MAPKs and Akt, ultimately contributing to its anticancer effects in bladder cancer cells. This study reveals that hyperoside could be a promising therapeutic strategy for the prevention of bladder cancer.
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Affiliation(s)
- Kai Yang
- Department of Urology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310003, P.R. China
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12
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Muramatsu J, Arihara Y, Yoshida M, Kubo T, Nakamura H, Ishikawa K, Fujita H, Sugita S, Konno T, Kojima T, Kawano Y, Kobune M, Takada K. Gap junction beta-4 accelerates cell cycle progression and metastasis through MET-AKT activation in pancreatic cancer. Cancer Sci 2024. [PMID: 38342100 DOI: 10.1111/cas.16101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 01/20/2024] [Accepted: 01/22/2024] [Indexed: 02/13/2024] Open
Abstract
Despite continuing advances in the development of effective new therapies, including immunotherapies, the prognosis of pancreatic cancer remains extremely poor. Gap junction proteins have become attractive targets for potential cancer therapy. However, the role of gap junction beta-4 (GJB4) protein remains unexplored in pancreatic cancer. Through bioinformatic analyses we discovered pancreatic cancer tissues showed higher levels of GJB4 transcripts compared to normal pancreatic tissues and this had a negative effect on overall survival in patients that had pancreatic cancer. The high expression of nuclear GJB4 was identified as a negative prognostic factor in such patients. Knockdown of GJB4 in cultured pancreatic cancer cells resulted in G0 /G1 arrest followed by decreased cell proliferation and suppression of metastatic potential. The overexpression of GJB4 accelerated cell proliferation, migration, and invasion in a SUIT-2 cell line, whereas MET inhibitor canceled the acceleration. GJB4 suppression with siRNA significantly inhibited tumor growth in a mouse xenograft model. Mechanistically, suppression of GJB4 inhibited MET-AKT activities. Such data suggest that targeting the GJB4-MET axis could represent a promising new therapeutic strategy for pancreatic cancer.
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Affiliation(s)
- Joji Muramatsu
- Department of Medical Oncology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Yohei Arihara
- Department of Medical Oncology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Makoto Yoshida
- Department of Medical Oncology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Tomohiro Kubo
- Department of Medical Oncology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Hajime Nakamura
- Department of Medical Oncology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Kazuma Ishikawa
- Department of Medical Oncology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Hiromi Fujita
- Department of Surgical Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Shintaro Sugita
- Department of Surgical Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Takumi Konno
- Department of Cell Science, Research Institute for Frontiers Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Takashi Kojima
- Department of Cell Science, Research Institute for Frontiers Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Yutaka Kawano
- Department of Community Medicine and Medical Science, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Masayoshi Kobune
- Department of Hematology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Kohichi Takada
- Department of Medical Oncology, Sapporo Medical University School of Medicine, Sapporo, Japan
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13
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Jiao Y, Yu Y, Zheng M, Yan M, Wang J, Zhang Y, Zhang S. Dormant cancer cells and polyploid giant cancer cells: The roots of cancer recurrence and metastasis. Clin Transl Med 2024; 14:e1567. [PMID: 38362620 PMCID: PMC10870057 DOI: 10.1002/ctm2.1567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 01/11/2024] [Accepted: 01/16/2024] [Indexed: 02/17/2024] Open
Abstract
Tumour cell dormancy is critical for metastasis and resistance to chemoradiotherapy. Polyploid giant cancer cells (PGCCs) with giant or multiple nuclei and high DNA content have the properties of cancer stem cell and single PGCCs can individually generate tumours in immunodeficient mice. PGCCs represent a dormant form of cancer cells that survive harsh tumour conditions and contribute to tumour recurrence. Hypoxic mimics, chemotherapeutics, radiation and cytotoxic traditional Chinese medicines can induce PGCCs formation through endoreduplication and/or cell fusion. After incubation, dormant PGCCs can recover from the treatment and produce daughter cells with strong proliferative, migratory and invasive abilities via asymmetric cell division. Additionally, PGCCs can resist hypoxia or chemical stress and have a distinct protein signature that involves chromatin remodelling and cell cycle regulation. Dormant PGCCs form the cellular basis for therapeutic resistance, metastatic cascade and disease recurrence. This review summarises regulatory mechanisms governing dormant cancer cells entry and exit of dormancy, which may be used by PGCCs, and potential therapeutic strategies for targeting PGCCs.
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Affiliation(s)
- Yuqi Jiao
- School of Integrative MedicineTianjin University of Traditional Chinese MedicineTianjinChina
| | - Yongjun Yu
- Department of PathologyTianjin Union Medical CenterTianjinChina
| | - Minying Zheng
- Department of PathologyTianjin Union Medical CenterNankai UniversityTianjinChina
| | - Man Yan
- School of Integrative MedicineTianjin University of Traditional Chinese MedicineTianjinChina
| | - Jiangping Wang
- School of Integrative MedicineTianjin University of Traditional Chinese MedicineTianjinChina
| | - Yue Zhang
- School of Integrative MedicineTianjin University of Traditional Chinese MedicineTianjinChina
| | - Shiwu Zhang
- Department of PathologyTianjin Union Medical CenterTianjinChina
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14
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Wei H, Cao Y, Zhao C, Shao Z, Huo X, Pan J, Zhuang R. Design, synthesis, and anticancer evaluation of alkynylated pyrrole derivatives. Chem Biol Drug Des 2024; 103:e14484. [PMID: 38355143 DOI: 10.1111/cbdd.14484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 01/15/2024] [Accepted: 01/30/2024] [Indexed: 02/16/2024]
Abstract
A series of alkynylated pyrrole derivatives were meticulously designed, drawing inspiration from the structure of 3-alkynylpyrrole-2,4-dicarboxylates, which were synthesized via a cyclization process involving methylene isocyanides and propiolaldehydes under mild conditions. These derivatives were subsequently subjected to evaluation for their anticancer properties against a panel of cell lines, including U251, A549, 769-P, HepG2, and HCT-116. According to the detailed analysis of structure-activity relationship, compound 12l emerged as the most promising molecule, with IC50 values of 2.29 ± 0.18 and 3.49 ± 0.30 μM toward U251 and A549 cells, respectively. Subsequent mechanistic investigations revealed that compound 12l exerts its effects by arresting the cell cycle in the G0/G1 phase and inducing apoptosis specifically in A549 cells. These innovative alkynylated pyrrole derivatives hold the potential to serve as a valuable template for the discovery of novel anticancer molecules.
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Affiliation(s)
- Hegeng Wei
- Zhejiang Yongtai Technol Co. Ltd, Taizhou, China
| | - Yu Cao
- Department of Pharmaceutical Preparation, Hangzhou Xixi Hospital, Hangzhou, China
| | - Chungang Zhao
- Medical Department of Jingchu University of Technology, Jingmen, China
| | | | - Xiaoli Huo
- Hangzhou Zhongmei Huadong Pharmaceutical Co. Ltd, Hangzhou, China
| | - Jinming Pan
- Department of Pharmaceutical Preparation, Hangzhou Xixi Hospital, Hangzhou, China
| | - Rangxiao Zhuang
- Department of Pharmaceutical Preparation, Hangzhou Xixi Hospital, Hangzhou, China
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15
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Wang QH, Wu RX, Ji JN, Zhang J, Niu SF, Tang BG, Miao BB, Liang ZB. Integrated Transcriptomics and Metabolomics Reveal Changes in Cell Homeostasis and Energy Metabolism in Trachinotus ovatus in Response to Acute Hypoxic Stress. Int J Mol Sci 2024; 25:1054. [PMID: 38256129 PMCID: PMC10815975 DOI: 10.3390/ijms25021054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 01/04/2024] [Accepted: 01/09/2024] [Indexed: 01/24/2024] Open
Abstract
Trachinotus ovatus is an economically important mariculture fish, and hypoxia has become a critical threat to this hypoxia-sensitive species. However, the molecular adaptation mechanism of T. ovatus liver to hypoxia remains unclear. In this study, we investigated the effects of acute hypoxic stress (1.5 ± 0.1 mg·L-1 for 6 h) and re-oxygenation (5.8 ± 0.3 mg·L-1 for 12 h) in T. ovatus liver at both the transcriptomic and metabolic levels to elucidate hypoxia adaptation mechanism. Integrated transcriptomics and metabolomics analyses identified 36 genes and seven metabolites as key molecules that were highly related to signal transduction, cell growth and death, carbohydrate metabolism, amino acid metabolism, and lipid metabolism, and all played key roles in hypoxia adaptation. Of these, the hub genes FOS and JUN were pivotal hypoxia adaptation biomarkers for regulating cell growth and death. During hypoxia, up-regulation of GADD45B and CDKN1A genes induced cell cycle arrest. Enhancing intrinsic and extrinsic pathways in combination with glutathione metabolism triggered apoptosis; meanwhile, anti-apoptosis mechanism was activated after hypoxia. Expression of genes related to glycolysis, gluconeogenesis, amino acid metabolism, fat mobilization, and fatty acid biosynthesis were up-regulated after acute hypoxic stress, promoting energy supply. After re-oxygenation for 12 h, continuous apoptosis favored cellular function and tissue repair. Shifting from anaerobic metabolism (glycolysis) during hypoxia to aerobic metabolism (fatty acid β-oxidation and TCA cycle) after re-oxygenation was an important energy metabolism adaptation mechanism. Hypoxia 6 h was a critical period for metabolism alteration and cellular homeostasis, and re-oxygenation intervention should be implemented in a timely way. This study thoroughly examined the molecular response mechanism of T. ovatus under acute hypoxic stress, which contributes to the molecular breeding of hypoxia-tolerant cultivars.
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Affiliation(s)
- Qing-Hua Wang
- College of Fisheries, Guangdong Ocean University, Zhanjiang 524088, China; (Q.-H.W.); (R.-X.W.); (J.-N.J.); (J.Z.); (B.-G.T.); (B.-B.M.); (Z.-B.L.)
| | - Ren-Xie Wu
- College of Fisheries, Guangdong Ocean University, Zhanjiang 524088, China; (Q.-H.W.); (R.-X.W.); (J.-N.J.); (J.Z.); (B.-G.T.); (B.-B.M.); (Z.-B.L.)
- Southern Marine Science and Engineering Guangdong Laboratory, Zhanjiang 524025, China
| | - Jiao-Na Ji
- College of Fisheries, Guangdong Ocean University, Zhanjiang 524088, China; (Q.-H.W.); (R.-X.W.); (J.-N.J.); (J.Z.); (B.-G.T.); (B.-B.M.); (Z.-B.L.)
| | - Jing Zhang
- College of Fisheries, Guangdong Ocean University, Zhanjiang 524088, China; (Q.-H.W.); (R.-X.W.); (J.-N.J.); (J.Z.); (B.-G.T.); (B.-B.M.); (Z.-B.L.)
- Southern Marine Science and Engineering Guangdong Laboratory, Zhanjiang 524025, China
| | - Su-Fang Niu
- College of Fisheries, Guangdong Ocean University, Zhanjiang 524088, China; (Q.-H.W.); (R.-X.W.); (J.-N.J.); (J.Z.); (B.-G.T.); (B.-B.M.); (Z.-B.L.)
- Southern Marine Science and Engineering Guangdong Laboratory, Zhanjiang 524025, China
| | - Bao-Gui Tang
- College of Fisheries, Guangdong Ocean University, Zhanjiang 524088, China; (Q.-H.W.); (R.-X.W.); (J.-N.J.); (J.Z.); (B.-G.T.); (B.-B.M.); (Z.-B.L.)
- Southern Marine Science and Engineering Guangdong Laboratory, Zhanjiang 524025, China
| | - Ben-Ben Miao
- College of Fisheries, Guangdong Ocean University, Zhanjiang 524088, China; (Q.-H.W.); (R.-X.W.); (J.-N.J.); (J.Z.); (B.-G.T.); (B.-B.M.); (Z.-B.L.)
| | - Zhen-Bang Liang
- College of Fisheries, Guangdong Ocean University, Zhanjiang 524088, China; (Q.-H.W.); (R.-X.W.); (J.-N.J.); (J.Z.); (B.-G.T.); (B.-B.M.); (Z.-B.L.)
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16
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Sulaiman AA, Al-Ansari DE, Ali R, Aouida M, Ramotar D. Mft1, identified from a genome-wide screen of the yeast haploid mutants, mediates cell cycle arrest to counteract quinoxaline-induced toxicity. Front Genet 2024; 14:1296383. [PMID: 38283148 PMCID: PMC10811161 DOI: 10.3389/fgene.2023.1296383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 12/31/2023] [Indexed: 01/30/2024] Open
Abstract
Quinoxaline is a heterocyclic compound with a two-membered ring structure that undergoes redox cycling to produce toxic free radicals. It has antiviral, antibacterial, antifungal, and antitumor activities. However, the biological functions that are involved in mounting a response against the toxic effects of quinoxaline have not been investigated. Herein, we performed a genome-wide screen using the yeast haploid mutant collection and reported the identification of 12 mutants that displayed varying sensitivity towards quinoxaline. No mutant was recovered that showed resistance to quinoxaline. The quinoxaline-sensitive mutants were deleted for genes that encode cell cycle function, as well as genes that belong to other physiological pathways such as the vacuolar detoxification process. Three of the highly sensitive gene-deletion mutants lack the DDC1, DUN1, and MFT1 genes. While Ddc1 and Dun1 are known to perform roles in the cell cycle arrest pathway, the role of Mft1 remains unclear. We show that the mft1Δ mutant is as sensitive to quinoxaline as the ddc1Δ mutant. However, the double mutant ddc1Δ mft1Δ lacking the DDC1 and MFT1 genes, is extremely sensitive to quinoxaline, as compared to the ddc1Δ and mft1Δ single mutants. We further show that the mft1Δ mutant is unable to arrest in the G2/M phase in response to the drug. We conclude that Mft1 performs a unique function independent of Ddc1 in the cell cycle arrest pathway in response to quinoxaline exposure. This is the first demonstration that quinoxaline exerts its toxic effect likely by inducing oxidative DNA damage causing cell cycle arrest. We suggest that clinical applications of quinoxaline and its derivatives should entail targeting cancer cells with defective cell cycle arrest.
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Affiliation(s)
- Abdallah Alhaj Sulaiman
- Qatar Foundation, Division of Biological and Biomedical Sciences, College of Health and Life Sciences, Hamad Bin Khalifa University, Doha, Qatar
| | - Dana E. Al-Ansari
- Qatar Foundation, Division of Biological and Biomedical Sciences, College of Health and Life Sciences, Hamad Bin Khalifa University, Doha, Qatar
- National Heart and Lung Institute, Imperial College London, London, United Kingdom
| | - Reem Ali
- Qatar Foundation, Division of Biological and Biomedical Sciences, College of Health and Life Sciences, Hamad Bin Khalifa University, Doha, Qatar
| | - Mustapha Aouida
- Qatar Foundation, Division of Biological and Biomedical Sciences, College of Health and Life Sciences, Hamad Bin Khalifa University, Doha, Qatar
| | - Dindial Ramotar
- Qatar Foundation, Division of Biological and Biomedical Sciences, College of Health and Life Sciences, Hamad Bin Khalifa University, Doha, Qatar
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17
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Saito A, Omura I, Imaizumi K. CREB3L1/OASIS: cell cycle regulator and tumor suppressor. FEBS J 2024. [PMID: 38215153 DOI: 10.1111/febs.17052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 11/09/2023] [Accepted: 01/05/2024] [Indexed: 01/14/2024]
Abstract
Cell cycle checkpoints detect DNA errors, eventually arresting the cell cycle to promote DNA repair. Failure of such cell cycle arrest causes aberrant cell proliferation, promoting the pathogenesis of multiple diseases, including cancer. Endoplasmic reticulum (ER) stress transducers activate the unfolded protein response, which not only deals with unfolded proteins in ER lumen but also orchestrates diverse physiological phenomena such as cell differentiation and lipid metabolism. Among ER stress transducers, cyclic AMP-responsive element-binding protein 3-like protein 1 (CREB3L1) [also known as old astrocyte specifically induced substance (OASIS)] is an ER-resident transmembrane transcription factor. This molecule is cleaved by regulated intramembrane proteolysis, followed by activation as a transcription factor. OASIS is preferentially expressed in specific cells, including astrocytes and osteoblasts, to regulate their differentiation. In accordance with its name, OASIS was originally identified as being upregulated in long-term-cultured astrocytes undergoing cell cycle arrest because of replicative stress. In the context of cell cycle regulation, previously unknown physiological roles of OASIS have been discovered. OASIS is activated as a transcription factor in response to DNA damage to induce p21-mediated cell cycle arrest. Although p21 is directly induced by the master regulator of the cell cycle, p53, no crosstalk occurs between p21 induction by OASIS or p53. Here, we summarize previously unknown cell cycle regulation by ER-resident transcription factor OASIS, particularly focusing on commonalities and differences in cell cycle arrest between OASIS and p53. This review also mentions tumorigenesis caused by OASIS dysfunctions, and OASIS's potential as a tumor suppressor and therapeutic target.
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Affiliation(s)
- Atsushi Saito
- Department of Biochemistry, Institute of Biomedical & Health Sciences, Hiroshima University, Japan
| | - Issei Omura
- Department of Biochemistry, Institute of Biomedical & Health Sciences, Hiroshima University, Japan
| | - Kazunori Imaizumi
- Department of Biochemistry, Institute of Biomedical & Health Sciences, Hiroshima University, Japan
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18
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Choi YR, Kim YS, Kim MJ. Cinnamyl Alcohol Attenuates Adipogenesis in 3T3-L1 Cells by Arresting the Cell Cycle. Int J Mol Sci 2024; 25:693. [PMID: 38255766 PMCID: PMC10815721 DOI: 10.3390/ijms25020693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 01/01/2024] [Accepted: 01/03/2024] [Indexed: 01/24/2024] Open
Abstract
Cinnamyl alcohol (CA) is an aromatic compound found in several plant-based resources and has been shown to exert anti-inflammatory and anti-microbial activities. However, the anti-adipogenic mechanism of CA has not been sufficiently studied. The present study aimed to investigate the effect and mechanism of CA on the regulation of adipogenesis. As evidenced by Oil Red O staining, Western blotting, and real-time PCR (RT-PCR) analyses, CA treatment (6.25-25 μM) for 8 d significantly inhibited lipid accumulation in a concentration-dependent manner and downregulated adipogenesis-related markers (peroxisome proliferator-activated receptor γ (PPARγ), CCAAT/enhancer-binding protein α (C/EBPα), fatty acid binding protein 4 (FABP4), adiponectin, fatty acid synthase (FAS)) in 3-isobutyl-1-methylxanthine, dexamethasone, and insulin(MDI)-treated 3T3-L1 adipocytes. In particular, among the various differentiation stages, the early stage of adipogenesis was critical for the inhibitory effect of CA. Cell cycle analysis using flow cytometry and Western blotting showed that CA effectively inhibited MDI-induced initiation of mitotic clonal expansion (MCE) by arresting the cell cycle in the G0/G1 phase and downregulating the expression of C/EBPβ, C/EBPδ, and cell cycle markers (cyclin D1, cyclin-dependent kinase 6 (CDK6), cyclin E1, CDK2, and cyclin B1). Moreover, AMP-activated protein kinase α (AMPKα), acetyl-CoA carboxylase (ACC), and extracellular signal-regulated kinase 1/2 (ERK1/2), markers of upstream signaling pathways, were phosphorylated during MCE by CA. In conclusion, CA can act as an anti-adipogenic agent by inhibiting the AMPKα and ERK1/2 signaling pathways and the cell cycle and may also act as a potential therapeutic agent for obesity.
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Affiliation(s)
- Yae Rim Choi
- Division of Food Functionality Research, Korea Food Research Institute, Wanju-gun 55365, Republic of Korea;
- Department of Food Science and Biotechnology, Ewha Womans University, Seoul 03760, Republic of Korea;
| | - Young-Suk Kim
- Department of Food Science and Biotechnology, Ewha Womans University, Seoul 03760, Republic of Korea;
| | - Min Jung Kim
- Division of Food Functionality Research, Korea Food Research Institute, Wanju-gun 55365, Republic of Korea;
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19
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Alshwyeh HA, Al-Sheikh WMS, Rasedee A, Alnasser SM, Al-Qubaisi MS, Ibrahim WN. Mangifera indica L. kernel ethanol extract inhibits cell viability and proliferation with induction of cell cycle arrest and apoptosis in lung cancer cells. Mol Cell Oncol 2024; 11:2299046. [PMID: 38196561 PMCID: PMC10773660 DOI: 10.1080/23723556.2023.2299046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 12/20/2023] [Indexed: 01/11/2024]
Abstract
In this study, we investigated the effects of an ethanolic extract of Mangifera indica L. kernel on the viability and proliferation of human lung cancer cells. We utilized MTT and BrdU cell proliferation assays, morphological assessments, cell cycle analyses, and apoptosis assays to investigate the extract's effects on lung cancer (A549 and NCI-H292) and normal lung (MRC-5) cells. The extract demonstrated a toxicity toward cancer cells compared to normal cells with dose-dependent anti-proliferative effect on lung cancer cells. The extract also caused differential effects on the cell cycle, inducing G0/G1 arrest and increasing the Sub-G1 population in both lung cancer and normal lung cells. Notably, the extract induced loss of membrane integrity, shrinkage, membrane blebbing, and apoptosis in lung cancer cells, while normal cells exhibited only early apoptosis. Furthermore, the extract exhibited higher toxicity towards NCI-H292 cells, followed by A549 and normal MRC-5 cells in decreasing order of potency. Our results suggest that the ethanolic extract of M. indica L. kernel has significant potential as a novel therapeutic agent for treating lung cancer cells, given its ability to induce apoptosis in cancer cell lines while causing minimal harm to normal cells.
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Affiliation(s)
- Hussah Abdullah Alshwyeh
- Department of Biology, College of Science, Imam Abdulrahman Bin Faisal University (IAU), Dammam, Saudi Arabia
- Basic & Applied Scientific Research Center, College of Science, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | | | - Abdullah Rasedee
- Department of Veterinary Pathology and Microbiology, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Sulaiman Mohammed Alnasser
- Department of Pharmacology and Toxicology, Unaizah College of Pharmacy, Qassim University, Buraydah, Saudi Arabia
| | | | - Wisam Nabeel Ibrahim
- Department of Biomedical Science, College of Health Sciences, QU health, Qatar University, Doha, Qatar
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20
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Jarusintanakorn S, Rangnoi K, Yamabhai M, Mastrobattista E. Effect of adenosine and cordycepin on recombinant antibody production yields in two different Chinease hamster ovary cell lines. Biotechnol Prog 2024; 40:e3403. [PMID: 37985175 DOI: 10.1002/btpr.3403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 08/23/2023] [Accepted: 10/23/2023] [Indexed: 11/22/2023]
Abstract
In this study, we investigated the effect of adenosine and its derivative cordycepin on the production yield of a recombinant human monoclonal antibody (adalimumab) in two commonly used Chinese Hamster ovary (CHO) cell lines that have different gene amplification systems, namely CHO-DHFR- and GS-CHO knockout (GS-KO CHO) cells and that were grown in batch culture, with and without glucose feeding. The results showed that adenosine suppressed the cell growth rate and increased the fraction of cells in S phase of the cell cycle for both CHO cell lines. Different concentrations and exposure times of adenosine feeding were tested. The optimal yield of adalimumab production was achieved with the addition of 1 mM adenosine on day 2 after start of the batch culture. Adenosine could significantly improve antibody titers and productivity in both CHO cell lines in cultures without glucose feeding. However, upon glucose feeding, adenosine did not improve antibody titers in CHO-DHFR- cells but extended culture duration and significantly increased antibody titers in GS-KO CHO cells. Therefore, adenosine supplementation might be useful for antibody production in GS-KO CHO cells in medium- to large-scale batches. In case of cordycepin, a derivative of adenosine, CHO-DHFR- cells required higher concentration of cordycepin than GS-KO CHO cells around 10 times to display the changes in cell growth and cell cycle. Moreover, cordycepin could significantly increase antibody titers only in CHO-DHFR- cell cultures without glucose feeding.
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Affiliation(s)
- Salinthip Jarusintanakorn
- Department of Pharmaceutics, Faculty of Science, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, Netherlands
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Mahidol University, Bangkok, Thailand
- Molecular Biotechnology Laboratory, School of Biotechnology, Institute of Agricultural Technology, Suranaree University of Technology, Nakhon Ratchasima, Thailand
| | - Kuntalee Rangnoi
- Molecular Biotechnology Laboratory, School of Biotechnology, Institute of Agricultural Technology, Suranaree University of Technology, Nakhon Ratchasima, Thailand
| | - Montarop Yamabhai
- Molecular Biotechnology Laboratory, School of Biotechnology, Institute of Agricultural Technology, Suranaree University of Technology, Nakhon Ratchasima, Thailand
| | - Enrico Mastrobattista
- Department of Pharmaceutics, Faculty of Science, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, Netherlands
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21
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Zeng S, Yang H, Wang B, Xie Y, Xu K, Liu L, Cao W, Liu X, Tang B, Liu M, Zhang R. The MORC2 p.S87L mutation reduces proliferation of pluripotent stem cells derived from a patient with the spinal muscular atrophy-like phenotype by inhibiting proliferation-related signaling pathways. Neural Regen Res 2024; 19:205-211. [PMID: 37488868 PMCID: PMC10479865 DOI: 10.4103/1673-5374.375347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 03/04/2023] [Accepted: 03/29/2023] [Indexed: 07/26/2023] Open
Abstract
Mutations in the microrchidia CW-type zinc finger protein 2 (MORC2) gene are the causative agent of Charcot-Marie-Tooth disease type 2Z (CMT2Z), and the hotspot mutation p.S87L is associated with a more severe spinal muscular atrophy-like clinical phenotype. The aims of this study were to determine the mechanism of the severe phenotype caused by the MORC2 p.S87L mutation and to explore potential treatment strategies. Epithelial cells were isolated from urine samples from a spinal muscular atrophy (SMA)-like patient (MORC2 p.S87L), a CMT2Z patient (MORC2 p.Q400R), and a healthy control and induced to generate pluripotent stem cells, which were then differentiated into motor neuron precursor cells. Next-generation RNA sequencing followed by KEGG pathway enrichment analysis revealed that differentially expressed genes involved in the PI3K/Akt and MAPK/ERK signaling pathways were enriched in the p.S87L SMA-like patient group and were significantly downregulated in induced pluripotent stem cells. Reduced proliferation was observed in the induced pluripotent stem cells and motor neuron precursor cells derived from the p.S87L SMA-like patient group compared with the CMT2Z patient group and the healthy control. G0/G1 phase cell cycle arrest was observed in induced pluripotent stem cells derived from the p.S87L SMA-like patient. MORC2 p.S87L-specific antisense oligonucleotides (p.S87L-ASO-targeting) showed significant efficacy in improving cell proliferation and activating the PI3K/Akt and MAPK/ERK pathways in induced pluripotent stem cells. However, p.S87L-ASO-targeting did not rescue proliferation of motor neuron precursor cells. These findings suggest that downregulation of the PI3K/Akt and MAPK/ERK signaling pathways leading to reduced cell proliferation and G0/G1 phase cell cycle arrest in induced pluripotent stem cells might be the underlying mechanism of the severe p.S87L SMA-like phenotype. p.S87L-ASO-targeting treatment can alleviate disordered cell proliferation in the early stage of pluripotent stem cell induction.
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Affiliation(s)
- Sen Zeng
- Department of Neurology, The Third Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Honglan Yang
- Department of Neurology, The Third Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Binghao Wang
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
| | - Yongzhi Xie
- Department of Radiology, The Third Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Ke Xu
- Department of Neurology, The Third Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Lei Liu
- Department of Neurology, The Third Xiangya Hospital, Central South University, Changsha, Hunan Province, China
- Health Management Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Wanqian Cao
- Department of Neurology, The Third Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Xionghao Liu
- Center for Medical Genetics & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan Province, China
| | - Beisha Tang
- National Clinical Research Center for Geriatric Disorders, Central South University, Changsha, Hunan Province, China
| | - Mujun Liu
- Department of Cell Biology, School of Life Sciences, Central South University, Changsha, Hunan Province, China
| | - Ruxu Zhang
- Department of Neurology, The Third Xiangya Hospital, Central South University, Changsha, Hunan Province, China
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22
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Jin YZ, Xin YB, Li Y, Chen XY, Man DA, Tian YS. Synthesis and Selective Anticancer Activity Evaluation of 2-phenylacrylonitrile Derivatives as Tubulin Inhibitors. Curr Med Chem 2024; 31:2090-2106. [PMID: 38384112 DOI: 10.2174/0109298673263854231009063053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 08/17/2023] [Accepted: 09/01/2023] [Indexed: 02/23/2024]
Abstract
OBJECTIVE This study aimed at synthesizing 13 series of novel derivatives with 2-phenylacrylonitrile, evaluating antitumor activity both in vivo and in vitro, and obtaining novel tubulin inhibitors. METHOD The 13 series of 2-phenylacrylonitrile derivatives were synthesized by Knoevenagel condensation and the anti-proliferative activities were determined by MTT assay. The cell cycle and apoptosis were analyzed by flow cytometer. Quantitative cell migration was performed using 24-well Boyden chambers. The proteins were detected by western blotting. in vitro kinetics of microtubule assembly was measured using ELISA kit for Human β-tubulin (TUBB). Molecular docking was done by Discovery Studio (DS) 2017 Client online tool. RESULTS Among the derivatives, compound 1g2a possessed strong inhibitory activity against HCT116 (IC50 = 5.9 nM) and BEL-7402 (IC50 = 7.8 nM) cells. Compound 1g2a exhibited better selective antiproliferative activities and specificities than all the positive control drugs, including taxol. Compound 1g2a inhibited proliferation of HCT116 and BEL-7402 cells by arresting them in the G2/M phase of the cell cycle, inhibited the migration of HCT116 and BEL-7402 cells and the formation of cell colonies. Compound 1g2a showed excellent tubulin polymerization inhibitory activity on HCT116 and BEL-7402 cells. The results of molecular docking analyses showed that 1g2a may inhibit tubulin to exert anticancer effects. CONCLUSION Compound 1g2a shows outstanding antitumor activity both in vivo and in vitro and has the potential to be further developed into a highly effective antitumor agent with little toxicity to normal tissues.
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Affiliation(s)
- Ye-Zhi Jin
- Key Laboratory of Natural Medicines of the Changbai Mountain, Department of Medicinal Chemistry, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, PR China
| | - Ya-Bing Xin
- Key Laboratory of Natural Medicines of the Changbai Mountain, Department of Medicinal Chemistry, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, PR China
| | - Yuan Li
- Key Laboratory of Natural Medicines of the Changbai Mountain, Department of Medicinal Chemistry, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, PR China
| | - Xin-Yuan Chen
- Key Laboratory of Natural Medicines of the Changbai Mountain, Department of Medicinal Chemistry, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, PR China
| | - De-Ao Man
- Key Laboratory of Natural Medicines of the Changbai Mountain, Department of Medicinal Chemistry, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, PR China
| | - Yu-Shun Tian
- Key Laboratory of Natural Medicines of the Changbai Mountain, Department of Medicinal Chemistry, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, PR China
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23
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Zhong Y, Lin H, Li Q, Liu C, Zhong L. [Retracted] Downregulation of long non‑coding RNA GACAT1 suppresses proliferation and induces apoptosis of NSCLC cells by sponging microRNA‑422a. Int J Mol Med 2024; 53:1. [PMID: 37937638 PMCID: PMC10688765 DOI: 10.3892/ijmm.2023.5325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 10/05/2020] [Indexed: 11/09/2023] Open
Abstract
Following the publication of this paper, it was drawn to the Editor's attention by a concerned reader that the flow cytometric data shown in Fig. 2E on p. 662 were strikingly similar to data appearing in different form in a pair of other research articles written by different authors at different research institutes. Owing to the fact that the contentious data in the above article had already been submitted for publication elsewhere prior to its submission to International Journal of Molecular Medicine, the Editor has decided that this paper should be retracted from the Journal. The authors were asked for an explanation to account for these concerns, but the Editorial Office never received a reply. The Editor apologizes to the readership for any inconvenience caused. [International Journal of Molecular Medicine 47: 659‑667, 2021; DOI: 10.3892/ijmm.2020.4826].
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Affiliation(s)
- Youqing Zhong
- Department of Respiratory Medicine, The First Affiliated Hospital of Hainan Medical University, Haikou, Hainan 571100, P.R. China
| | - Hui Lin
- Department of Anesthesia, Hainan General Hospital, Haikou, Hainan 570311, P.R. China
| | - Qi Li
- Department of Respiratory Medicine, The First Affiliated Hospital of Hainan Medical University, Haikou, Hainan 571100, P.R. China
| | - Chang Liu
- Department of Respiratory Medicine, The First Affiliated Hospital of Hainan Medical University, Haikou, Hainan 571100, P.R. China
| | - Lei Zhong
- Clinical Laboratory, Ganzhou People's Hospital of Jiangxi Province, Ganzhou, Jiangxi 341000, P.R. China
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24
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Huang G, Qiu Y, Fan Y, Liu J. METTL3-deficiency Suppresses Neural Apoptosis to Induce Protective Effects in Cerebral I/R Injury via Inhibiting RNA m6A Modifications: A Pre-clinical and Pilot Study. Neurochem Res 2024; 49:85-98. [PMID: 37610605 DOI: 10.1007/s11064-023-04015-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 07/19/2023] [Accepted: 08/10/2023] [Indexed: 08/24/2023]
Abstract
N6-Methyladenosine (m6A) RNA methylation involves in regulating the initiation, progression and aggravation of cerebral ischemia-reperfusion (I/R) injury, however, the detailed functions and mechanisms by which m6A drives cerebral I/R injury are not fully understood. This study found that methyltransferase-like 3 (METTL3) m6A-dependently regulated cerebral I/R injury trough regulating a novel LncRNA ABHD11-AS1/miR-1301-3p/HIF1AN/HIF-1α axis. Specifically, the middle cerebral artery occlusion (MCAO)/reperfusion mice models and glucose deprivation (OGD)/reoxygenation (RX) astrocyte cell models were respectively established, and we verified that METTL3, ABHD11-AS1 and HIF1AN were upregulated, whereas miR-1301-3p and HIF-1α were downregulated in both MCAO/reperfusion mice tissues and OGD/RX astrocytes. Mechanical experiments confirmed that METTL3 m6A dependently increased stability and expression levels of ABHD11-AS1, and elevated ABHD11-AS1 sponged miR-1301-3p to upregulate HIF1AN, resulting in the downregulation of HIF-1α. Moreover, silencing of METTL3 rescued MCAO/reperfusion and OGD/RX-induced oxidative stress-associated cell apoptosis and cell cycle arrest in both mice brain tissues in vivo and the mouse primary astrocytes in vitro, which were abrogated by overexpressing ABHD11-AS1 and downregulating miR-1301-3p. Taken together, our study firstly reported a novel METTL3/m6A/ ABHD11-AS1/miR-1301-3p/HIF1AN/HIF-1α signaling cascade in regulating the progression of cerebral I/R injury, and future work will focus on investigating whether the above genes can be used as biomarkers for the treatment of cerebral I/R injury by performing clinical studies.
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Affiliation(s)
- Gang Huang
- Department of Neurology, The Eighth Affiliated Hospital, Sun Yat-Sen University, Shennanzhong Road 3025, Shenzhen, 518033, Guangdong, China
| | - Yuda Qiu
- Department of Neurology, The Eighth Affiliated Hospital, Sun Yat-Sen University, Shennanzhong Road 3025, Shenzhen, 518033, Guangdong, China
| | - Yafei Fan
- Department of Neurology, The Eighth Affiliated Hospital, Sun Yat-Sen University, Shennanzhong Road 3025, Shenzhen, 518033, Guangdong, China
| | - Jianfeng Liu
- Department of Neurology, The Eighth Affiliated Hospital, Sun Yat-Sen University, Shennanzhong Road 3025, Shenzhen, 518033, Guangdong, China.
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25
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Kim WH, Kim MJ, Jin JO, Lee PCW. IDF-11774 Induces Cell Cycle Arrest and Apoptosis by Inhibiting HIF-1α in Gastric Cancer. Pharmaceutics 2023; 15:2772. [PMID: 38140111 PMCID: PMC10748108 DOI: 10.3390/pharmaceutics15122772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 12/05/2023] [Accepted: 12/09/2023] [Indexed: 12/24/2023] Open
Abstract
Hypoxia-inducible factor-1 alpha (HIF-1α) is a regulatory factor of intracellular oxygen supersession. The expression or increased activity of HIF-1α is closely related to various human cancers. Previously, IDF-11774 was demonstrated to inhibit HSP70 chaperone activity and suppress the accumulation of HIF-1α. In this study, we aimed to determine the effects of IDF-11774 on gastric cancer cell lines. Treatment with IDF-11774 was found to markedly decrease the proliferation, migration, and invasion of the gastric cancer cell lines. Furthermore, the phosphorylation levels of extracellular signal-regulated kinase 1/2, p38, and Jun N-terminal kinase in the mitogen-activated protein kinase signaling pathways were markedly increased in a dose-dependent manner, ultimately promoting apoptosis via the induction of cell cycle arrest. Our findings indicate that HIF-1α inhibitors are potent drugs for the treatment of gastric cancer.
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Affiliation(s)
- Won-Ho Kim
- Department of Biochemistry and Molecular Biology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Republic of Korea; (W.-H.K.); (M.-J.K.)
| | - Min-Jee Kim
- Department of Biochemistry and Molecular Biology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Republic of Korea; (W.-H.K.); (M.-J.K.)
| | - Jun-O Jin
- Department of Microbiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Republic of Korea
| | - Peter C. W. Lee
- Department of Biochemistry and Molecular Biology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Republic of Korea; (W.-H.K.); (M.-J.K.)
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26
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He MT, Nguyen QN, Cho EJ, Kim SH, Park S, Park JY, Lee S, Kang KS. Aloe-Emodin Isolated from Rheum Undulatum L. Regulates Cell Cycle Distribution and Cellular Senescence in Human Prostate Cancer LNCaP Cells. J Diet Suppl 2023; 21:389-407. [PMID: 38062982 DOI: 10.1080/19390211.2023.2284985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2023]
Abstract
Senescence can promote hyperplastic pathologies, such as cancer. Prostate cancer is the second most common type of cancer in men. The p21-mediate cellular senescence, facilitated through the tumor suppressor p53-dependent pathway, is considered the primary mechanism for cancer treatment. Aloe-emodin, has been reported to exert anticancer effects in various types of cancers. This study aimed to investigate the bioactivity of aloe-emodin in LNCaP cells via the activation of p21-mediated cellular senescence. Aloe-emodin treatment increased the percentage of cells in the G1 phase while decreasing the percentage in the S phase. This effect was reflected in the expression levels of proteins associated with cell cycle progression, such as p21CIP, retinoblastoma protein, and cyclin-dependent kinase2/4 in LNCaP cells. However, aloe-emodin-treated LNCaP cells did not induce cell cycle arrest at G2/M checkpoint. Moreover, increased senescence-associated-galactosidase activity was observed in a dose-dependent manner following treatment with aloe-emodin. Aloe-emodin also induced DNA damage by modulating the expression of histone H2AX and lamin B1. Furthermore, aloe-emodin inhibited the proliferation of LNCaP cells, contrasting with the exponential growth observed in the nontreated cells. Importantly, this inhibition did not impact the immune system, as evidenced by the increased proliferation of splenocytes isolated from mice. These findings provide preliminary evidence of the anticancer effect of aloe-emodin in LNCaP cells, necessitating further investigations into the underlying mechanisms in vivo and human subjects.
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Affiliation(s)
- Mei Tong He
- College of Korean Medicine, Gachon University, Seongnam, South Korea
| | - Quynh Nhu Nguyen
- College of Korean Medicine, Gachon University, Seongnam, South Korea
| | - Eun Ju Cho
- Department of Food Science & Nutrition, Pusan National University, Busan, South Korea
| | - Seung Hyun Kim
- College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, South Korea
| | - SeonJu Park
- Chuncheon Center, Korea Basic Science Institute (KBSI), Chuncheon, South Korea
| | - Jun Yeon Park
- Department of Food Science and Biotechnology, Kyonggi University, Suwon, South Korea
| | - Sullim Lee
- Department of Life Science, College of Bio-Nano Technology, Gachon University, Seongnam, South Korea
| | - Ki Sung Kang
- College of Korean Medicine, Gachon University, Seongnam, South Korea
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27
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Kelly B, Thamm D, Rosengren RJ. The second-generation curcumin analogue RL71 elicits G2/M cell cycle arrest and apoptosis in canine osteosarcoma cells. Vet Comp Oncol 2023; 21:595-604. [PMID: 37435770 DOI: 10.1111/vco.12922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 06/08/2023] [Accepted: 06/09/2023] [Indexed: 07/13/2023]
Abstract
Canine osteosarcoma is an aggressive cancer, comprising 85% of canine bone neoplasms. Current treatment practices of surgery and chemotherapy increase 1-year survival by only 45%. The curcumin analogue RL71, has demonstrated potent in vitro and in vivo efficacy in several models of human breast cancer through increased apoptosis and cell cycle arrest. Thus, the present study aimed to investigate efficacy of curcumin analogues in two canine osteosarcoma cell lines. Osteosarcoma cell viability was assessed using the sulforhodamine B assay and mechanisms of action were determined by analysing the levels of cell cycle and apoptotic regulatory proteins via Western blotting. Further evidence was obtained using flow cytometry to detect cell cycle distribution and the number of apoptotic cells. RL71 was the most potent curcumin analogue with EC50 values of 0.64 ± 0.04 and 0.38 ± 0.009 μM (n = 3) in D-17 (commercial) and Gracie canine osteosarcoma cells, respectively. RL71 significantly increased the ratio of cleaved-caspase 3 to pro-caspase 3 and the level of apoptotic cells at the 2× and 5× EC50 concentration (p < 0.001, n = 3). Furthermore, at the same concentration, RL71 significantly increased the number of cells in the G2/M phase. In conclusion, RL71 has potent cytotoxic activity in canine osteosarcoma cells triggering G2/M arrest and apoptosis at concentrations achievable in vivo. Future research should further investigate molecular mechanisms for these changes in other canine osteosarcoma cell lines prior to in vivo investigation.
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Affiliation(s)
- Barnaby Kelly
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, New Zealand
| | - Douglas Thamm
- Flint Animal Cancer Center, Colorado State University, Ft. Collins, Colorado, USA
| | - Rhonda J Rosengren
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, New Zealand
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28
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Al‑Harbi LM, Al-Harbi EA, Okasha RM, El-Eisawy RA, El-Nassag MAA, Mohamed HM, Fouda AM, Elhenawy AA, Mora A, El-Agrody AM, El-Mawgoud HKA. Discovery of benzochromene derivatives first example with dual cytotoxic activity against the resistant cancer cell MCF-7/ADR and inhibitory effect of the P-glycoprotein expression levels. J Enzyme Inhib Med Chem 2023; 38:2155814. [PMID: 36662632 PMCID: PMC9869995 DOI: 10.1080/14756366.2022.2155814] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
A series of 1H-benzo[f]chromene moieties (4a-z) were synthesised under Ultrasonic irradiation and confirmed with spectral analyses. Derivative 4i solely possessed an X-ray single crystal. The anti-proliferative efficacy of the desired molecules has been explored against three cancer cells: MCF-7, HCT-116, and HepG-2 with the cytotoxically active derivatives screened against MCF-7/ADR and normal cells HFL-1 and WI-38. Furthermore, compounds 4b-d, 4k, 4n, 4q, and 4w, which possessed good potency against MCF-7/ADR, were tested as permeability glycoprotein (P-glycoprotein [P-gp]) expression inhibitors. The attained data confirmed that 4b-d, 4q, and 4w exhibited strong expression inhibition against the P-gp alongside its cytotoxic effect on MCF-7/ADR. The western blot results and Rho123 accumulation assays showed that compounds 4b-d, 4q, and 4w effectively inhibited the P-gp expression and efflux function. Meanwhile, 4b-d, 4q, and 4w induced apoptosis and accumulation of the treated MCF-7/ADR cells in the G1 phase and 4k and 4n in the S phase of the cell cycle.
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Affiliation(s)
- Lali M. Al‑Harbi
- Chemistry Department, Faculty of Science, King Abdul-AzizUniversity, Jeddah, Saudi Arabia
| | - Eman A. Al-Harbi
- Chemistry Department, Faculty of Science, Taibah University, Medina, Saudi Arabia
| | - Rawda M. Okasha
- Chemistry Department, Faculty of Science, Taibah University, Medina, Saudi Arabia
| | - R. A. El-Eisawy
- Chemistry Department, Faculty of Science, Al-Azhar University, Cairo, Egypt,Chemistry Department, Faculty of Science and Art, Al-Baha University, Al-Baha, Saudi Arabia
| | | | - Hany M. Mohamed
- Chemistry Department, Faculty of Science, Al-Azhar University, Cairo, Egypt,Chemistry Department, Faculty of Science, Jazan University, Jazan, Saudi Arabia
| | - Ahmed M. Fouda
- Chemistry Department, Faculty of Science, King Khalid University, Abha, Saudi Arabia
| | - Ahmed A. Elhenawy
- Chemistry Department, Faculty of Science, Al-Azhar University, Cairo, Egypt,Chemistry Department, Faculty of Science and Art, AlBaha University, Al Bahah, Saudi Arabia
| | - Ahmed Mora
- Chemistry Department, Faculty of Science, Al-Azhar University, Cairo, Egypt
| | - Ahmed M. El-Agrody
- Chemistry Department, Faculty of Science, Al-Azhar University, Cairo, Egypt,CONTACT Ahmed M. El-Agrody Chemistry Department, Faculty of Science, Al-Azhar University, Cairo, Egypt
| | - Heba K. A. El-Mawgoud
- Chemistry Department, Faculty of Women for Arts, Science, and Education, Ain Shams University, Cairo, Egypt
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29
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Geng P, Zhao J, Li Q, Wang X, Qin W, Wang T, Shi X, Liu X, Chen J, Qiu H, Xu G. Z-Ligustilide Combined with Cisplatin Reduces PLPP1-Mediated Phospholipid Synthesis to Impair Cisplatin Resistance in Lung Cancer. Int J Mol Sci 2023; 24:17046. [PMID: 38069368 PMCID: PMC10706864 DOI: 10.3390/ijms242317046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 11/17/2023] [Accepted: 11/29/2023] [Indexed: 12/18/2023] Open
Abstract
Lung cancer is a malignant tumor with one of the highest morbidity and mortality rates in the world. Approximately 80-85% of lung cancer is diagnosed as non-small lung cancer (NSCLC), and its 5-year survival rate is only 21%. Cisplatin is a commonly used chemotherapy drug for the treatment of NSCLC. Its efficacy is often limited by the development of drug resistance after long-term treatment. Therefore, determining how to overcome cisplatin resistance, enhancing the sensitivity of cancer cells to cisplatin, and developing new therapeutic strategies are urgent clinical problems. Z-ligustilide is the main active ingredient of the Chinese medicine Angelica sinensis, and has anti-tumor activity. In the present study, we investigated the effect of the combination of Z-ligustilide and cisplatin (Z-ligustilide+cisplatin) on the resistance of cisplatin-resistant lung cancer cells and its mechanism of action. We found that Z-ligustilide+cisplatin decreased the cell viability, induced cell cycle arrest, and promoted the cell apoptosis of cisplatin-resistant lung cancer cells. Metabolomics combined with transcriptomics revealed that Z-ligustilide+cisplatin inhibited phospholipid synthesis by upregulating the expression of phospholipid phosphatase 1 (PLPP1). A further study showed that PLPP1 expression was positively correlated with good prognosis, whereas the knockdown of PLPP1 abolished the effects of Z-ligustilide+cisplatin on cell cycle and apoptosis. Specifically, Z-ligustilide+cisplatin inhibited the activation of protein kinase B (AKT) by reducing the levels of phosphatidylinositol 3,4,5-trisphosphate (PIP3). Z-ligustilide+cisplatin induced cell cycle arrest and promoted the cell apoptosis of cisplatin-resistant lung cancer cells by inhibiting PLPP1-mediated phospholipid synthesis. Our findings demonstrate that the combination of Z-Ligustilide and cisplatin is a promising approach to the chemotherapy of malignant tumors that are resistant to cisplatin.
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Affiliation(s)
- Pengyu Geng
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; (P.G.); (J.Z.); (Q.L.); (X.W.); (W.Q.); (T.W.); (X.S.); (X.L.)
- Liaoning Province Key Laboratory of Metabolomics, Dalian 116023, China
| | - Jinhui Zhao
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; (P.G.); (J.Z.); (Q.L.); (X.W.); (W.Q.); (T.W.); (X.S.); (X.L.)
- Liaoning Province Key Laboratory of Metabolomics, Dalian 116023, China
| | - Qi Li
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; (P.G.); (J.Z.); (Q.L.); (X.W.); (W.Q.); (T.W.); (X.S.); (X.L.)
- Liaoning Province Key Laboratory of Metabolomics, Dalian 116023, China
| | - Xiaolin Wang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; (P.G.); (J.Z.); (Q.L.); (X.W.); (W.Q.); (T.W.); (X.S.); (X.L.)
- Liaoning Province Key Laboratory of Metabolomics, Dalian 116023, China
| | - Wangshu Qin
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; (P.G.); (J.Z.); (Q.L.); (X.W.); (W.Q.); (T.W.); (X.S.); (X.L.)
- Liaoning Province Key Laboratory of Metabolomics, Dalian 116023, China
| | - Ting Wang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; (P.G.); (J.Z.); (Q.L.); (X.W.); (W.Q.); (T.W.); (X.S.); (X.L.)
- Liaoning Province Key Laboratory of Metabolomics, Dalian 116023, China
| | - Xianzhe Shi
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; (P.G.); (J.Z.); (Q.L.); (X.W.); (W.Q.); (T.W.); (X.S.); (X.L.)
- Liaoning Province Key Laboratory of Metabolomics, Dalian 116023, China
| | - Xinyu Liu
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; (P.G.); (J.Z.); (Q.L.); (X.W.); (W.Q.); (T.W.); (X.S.); (X.L.)
- Liaoning Province Key Laboratory of Metabolomics, Dalian 116023, China
| | - Jia Chen
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources, Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China; (J.C.); (H.Q.)
| | - Hongdeng Qiu
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources, Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China; (J.C.); (H.Q.)
| | - Guowang Xu
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; (P.G.); (J.Z.); (Q.L.); (X.W.); (W.Q.); (T.W.); (X.S.); (X.L.)
- Liaoning Province Key Laboratory of Metabolomics, Dalian 116023, China
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Quan L, Sun X, Xu L, Chen RA, Liu DX. Coronavirus RNA-dependent RNA polymerase interacts with the p50 regulatory subunit of host DNA polymerase delta and plays a synergistic role with RNA helicase in the induction of DNA damage response and cell cycle arrest in the S phase. Emerg Microbes Infect 2023; 12:e2176008. [PMID: 36724449 PMCID: PMC9937006 DOI: 10.1080/22221751.2023.2176008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Disruption of the cell cycle is a common strategy shared by many viruses to create a conducible cellular microenvironment for their efficient replication. We have previously shown that infection of cells with gammacoronavirus infectious bronchitis virus (IBV) activated the theataxia-telangiectasia mutated (ATM) Rad3-related (ATR)/checkpoint kinase 1 (Chk1) pathway and induced cell cycle arrest in S and G2/M phases, partially through the interaction of nonstructural protein 13 (nsp13) with the p125 catalytic subunit of DNA polymerase delta (pol δ). In this study, we show, by GST pulldown, co-immunoprecipitation and immunofluorescent staining, that IBV nsp12 directly interacts with the p50 regulatory subunit of pol δ in vitro and in cells overexpressing the two proteins as well as in cells infected with a recombinant IBV harbouring an HA-tagged nsp12. Furthermore, nsp12 from severe acute respiratory syndrome coronavirus (SARS-CoV) and SARS-CoV-2 was also able to interact with p50. These interactions play a synergistic role with nsp13 in the induction of S phase arrest. The fact that subunits of an essential cellular DNA replication machinery physically associate with two core replication enzymes from three different coronaviruses highlights the importance of these associations in coronavirus replication and virus-host interaction, and reveals the potential of targeting these subunits for antiviral intervention.
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Affiliation(s)
- Li Quan
- Zhaoqing Branch Center of Guangdong Laboratory for Lingnan Modern Agricultural Science and Technology, Zhaoqing, China,Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China
| | - Xinxin Sun
- Zhaoqing Branch Center of Guangdong Laboratory for Lingnan Modern Agricultural Science and Technology, Zhaoqing, China,Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China
| | - Linghui Xu
- Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China
| | - Rui Ai Chen
- Zhaoqing Branch Center of Guangdong Laboratory for Lingnan Modern Agricultural Science and Technology, Zhaoqing, China
| | - Ding Xiang Liu
- Zhaoqing Branch Center of Guangdong Laboratory for Lingnan Modern Agricultural Science and Technology, Zhaoqing, China,Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China, Ding Xiang Liu
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Wei D, Wang L, Lei S, Zhang H, Dong C, Ke Y, Su Y, Chen X, Xia L, Kong X, Yin F, Liu X. Identification of natural compound garcinone E as a novel autophagic flux inhibitor with anticancer effect in nasopharyngeal carcinoma cells. Pharm Biol 2023; 61:839-857. [PMID: 37203204 DOI: 10.1080/13880209.2023.2210187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
CONTEXT Current chemotherapeutic drugs cannot meet the treatment needs of patients with nasopharyngeal carcinoma (NPC), so urgent action is needed to discover novel chemotherapeutic agents. Our previous study revealed that garcinone E (GE) inhibited the proliferation and metastasis of NPC, suggesting that the compound might display promising anticancer activity. OBJECTIVE To examine the mechanism underlying the anti-NPC activity of GE for the first time. MATERIALS AND METHODS For MTS assay, NPC cells were treated with 2.5-20 μmol/L GE or dimethyl sulfoxide for 24, 48, and 72 h. Colony formation capacity, cell cycle distribution, and in vivo xenograft experiment of GE were assessed. MDC staining, StubRFP-sensGFP-LC3 observation, LysoBrite Blue staining, and immunofluorescence examined the autophagy of NPC cells after GE exposure. Western blotting, RNA-sequencing, and RT-qPCR measured protein and mRNA levels. RESULTS GE suppressed cell viability with an IC50 of 7.64, 8.83 and 4.65 μmol/L for HK1, HONE1 and S18 cells. GE inhibited colony formation and cell cycle, increased autophagosome number, and inhibited the autophagic flux partially by blocking lysosome-autophagosome fusion, and repressed S18 xenograft growth. GE dysregulated the expression of autophagy- and cell cycle-related proteins such as Beclin-1, SQSTM1/p62, LC3, CDKs, and Cyclins. Bioinformatics GO and KEGG pathway enrichment analysis of RNA-seq showed that autophagy was enriched in differentially expressed genes upon GE treatment. DISCUSSION AND CONCLUSION GE acts as an autophagic flux inhibitor, which may have potential chemotherapeutic use for NPC treatment and may have an application in basic research to explore the mechanisms of autophagy.
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Affiliation(s)
- Dan Wei
- Key Laboratory of Longevity and Ageing-Related Disease of Chinese Ministry of Education, Center for Translational Medicine and School of Preclinical Medicine, Guangxi Medical University, Nanning, Guangxi, P.R. China
| | - Luolin Wang
- Department of Gastroenterology, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, Guangdong, P.R. China
| | - Shunmei Lei
- Key Laboratory of Longevity and Ageing-Related Disease of Chinese Ministry of Education, Center for Translational Medicine and School of Preclinical Medicine, Guangxi Medical University, Nanning, Guangxi, P.R. China
| | - Han Zhang
- Key Laboratory of Longevity and Ageing-Related Disease of Chinese Ministry of Education, Center for Translational Medicine and School of Preclinical Medicine, Guangxi Medical University, Nanning, Guangxi, P.R. China
| | - Caihua Dong
- Key Laboratory of Longevity and Ageing-Related Disease of Chinese Ministry of Education, Center for Translational Medicine and School of Preclinical Medicine, Guangxi Medical University, Nanning, Guangxi, P.R. China
- Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-constructed by the Province and Ministry, Guangxi Key Laboratory of Regenerative Medicine, Nanning, Guangxi, P.R. China
- Department of Human Anatomy, Institute of Neuroscience and Guangxi Key Laboratory of Brain Science, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi, P.R. China
| | - Yao Ke
- Key Laboratory of High-Incidence-Tumour Prevention and Treatment, Guangxi Medical University, Ministry of Education, Nanning, Guangxi, P.R. China)
- Life Sciences Institute, Guangxi Medical University, Nanning, Guangxi, P.R. China
| | - Yuting Su
- Key Laboratory of High-Incidence-Tumour Prevention and Treatment, Guangxi Medical University, Ministry of Education, Nanning, Guangxi, P.R. China)
- Life Sciences Institute, Guangxi Medical University, Nanning, Guangxi, P.R. China
| | - Xiaoying Chen
- Key Laboratory of High-Incidence-Tumour Prevention and Treatment, Guangxi Medical University, Ministry of Education, Nanning, Guangxi, P.R. China)
- Life Sciences Institute, Guangxi Medical University, Nanning, Guangxi, P.R. China
| | - Lianping Xia
- Key Laboratory of High-Incidence-Tumour Prevention and Treatment, Guangxi Medical University, Ministry of Education, Nanning, Guangxi, P.R. China)
- Life Sciences Institute, Guangxi Medical University, Nanning, Guangxi, P.R. China
| | - Xiaoyang Kong
- Key Laboratory of Longevity and Ageing-Related Disease of Chinese Ministry of Education, Center for Translational Medicine and School of Preclinical Medicine, Guangxi Medical University, Nanning, Guangxi, P.R. China
| | - Fuqiang Yin
- Key Laboratory of High-Incidence-Tumour Prevention and Treatment, Guangxi Medical University, Ministry of Education, Nanning, Guangxi, P.R. China)
- Life Sciences Institute, Guangxi Medical University, Nanning, Guangxi, P.R. China
| | - Xia Liu
- Key Laboratory of Longevity and Ageing-Related Disease of Chinese Ministry of Education, Center for Translational Medicine and School of Preclinical Medicine, Guangxi Medical University, Nanning, Guangxi, P.R. China
- Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-constructed by the Province and Ministry, Guangxi Key Laboratory of Regenerative Medicine, Nanning, Guangxi, P.R. China
- Department of Human Anatomy, Institute of Neuroscience and Guangxi Key Laboratory of Brain Science, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi, P.R. China
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Urbaniak A, Bathula C, Chauhan J, Rai P, Thammathong J, Clark C, Heflin B, De Loose A, Avaritt N, Rodriguez A, Tackett AJ, Sen S, Banerjee S. Synthesis and Anti-Melanoma Activity of Acryloyl Pyridinone Analogues. Chem Biodivers 2023; 20:e202301550. [PMID: 37994208 PMCID: PMC10984326 DOI: 10.1002/cbdv.202301550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 11/20/2023] [Accepted: 11/22/2023] [Indexed: 11/24/2023]
Abstract
A major challenge for clinical management of melanoma is the prevention and treatment of metastatic disease. Drug discovery efforts over the last 10 years have resulted in several drugs that improve the prognosis of metastatic melanoma; however, most patients develop early resistance to these treatments. We designed and synthesized, through a concise synthetic strategy, a series of hybrid olefin-pyridinone compounds that consist of structural motifs from tamoxifen and ilicicolin H. These compounds were tested against a human melanoma cell line and patient-derived melanoma cells that had metastasized to the brain. Three compounds 7 b, 7 c, and 7 g demonstrated promising activity (IC50=0.4-4.3 μM). Cell cycle analysis demonstrated that 7 b and 7 c induce cell cycle arrest predominantly in the G1 phase. Both 7 b and 7c significantly inhibited migration of A375 melanoma cells; greater effects were demonstrated by 7 b. Molecular modelling analysis provides insight into a plausible mechanism of action.
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Affiliation(s)
- Alicja Urbaniak
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
| | | | - Jyoti Chauhan
- Department of Chemistry, Shiv Nadar University, Greater Noida, India
| | - Prateek Rai
- Molecular Biosciences, Middle Tennessee State University, Murfreesboro, TN, USA
| | - Joshua Thammathong
- Department of Chemistry, Middle Tennessee State University, Murfreesboro, TN, USA
| | - Christopher Clark
- Molecular Biosciences, Middle Tennessee State University, Murfreesboro, TN, USA
| | - Billie Heflin
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
| | - Annick De Loose
- Department of Neurosurgery, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
| | - Nathan Avaritt
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
| | - Analiz Rodriguez
- Department of Neurosurgery, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
| | - Alan J Tackett
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
| | - Subhabrata Sen
- Department of Chemistry, Shiv Nadar University, Greater Noida, India
| | - Souvik Banerjee
- Molecular Biosciences, Middle Tennessee State University, Murfreesboro, TN, USA
- Department of Chemistry, Middle Tennessee State University, Murfreesboro, TN, USA
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He Z, Lin J, Peng D, Zeng J, Pan X, Zheng R, Li P, Du B. Peptide fractions from Sacha inchi induced apoptosis in HepG2 cells via P53 activation and a mitochondria-mediated pathway. J Sci Food Agric 2023; 103:7621-7630. [PMID: 37495560 DOI: 10.1002/jsfa.12845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 07/04/2023] [Accepted: 07/27/2023] [Indexed: 07/28/2023]
Abstract
BACKGROUND Sacha inchi is known for its high protein content and medicinal properties. Bioactive peptides have been reported to have therapeutic potential in various human diseases. However, there is a lack of research evaluating the pharmacological value of peptides derived from Sacha inchi. Therefore, this study aimed to investigate the anti-hepatoma effect of Sacha inchi peptides (SPs) and their underlying mechanism. RESULTS The study found that treatment with SPs significantly reduced the proliferation of HepG2 cells by inducing apoptosis and arresting the cell cycle at the G0/G1 phase. SPs also induced HepG2 cell apoptosis by increasing the levels of proteins such as Bax, Caspase-3 and P53. The study identified nine novel peptides in SPs, of which LLEPDVR, ALVEKAKAS and TGDGSLRPY exhibited higher cell proliferative inhibition rates compared to other peptides. CONCLUSION The findings of this study suggest that Sacha inchi peptides have potential pharmacological effects in the treatment of liver cancer. SPs effectively suppress the cell cycle and facilitate cell apoptosis, indicating their anti-hepatoma effect. The novel peptides identified in SPs may have therapeutic value for liver cancer treatment. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Zhilin He
- College of Food Science, South China Agricultural University, Guangzhou, China
| | - Jinming Lin
- College of Food Science, South China Agricultural University, Guangzhou, China
| | - Dong Peng
- College of Food Science, South China Agricultural University, Guangzhou, China
| | - Jieyu Zeng
- College of Food Science, South China Agricultural University, Guangzhou, China
| | - Xiangmin Pan
- College of Food Science, South China Agricultural University, Guangzhou, China
| | - Rui Zheng
- College of Food Science, South China Agricultural University, Guangzhou, China
| | - Pan Li
- College of Food Science, South China Agricultural University, Guangzhou, China
| | - Bing Du
- College of Food Science, South China Agricultural University, Guangzhou, China
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Ribas LE, Gasser FB, Baravalle ME, Renna MS, Perello A, Savino GH, Ortega HH, Van de Velde F, Hein GJ. Cytotoxic, antioxidant, and cytoprotective properties of polyphenol-enriched extracts from pecan nutshells in MDA-MB-231 breast cancer cells. Cell Biochem Funct 2023; 41:1442-1450. [PMID: 37933894 DOI: 10.1002/cbf.3884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 10/26/2023] [Accepted: 10/28/2023] [Indexed: 11/08/2023]
Abstract
Phenolic compounds present in plants have demonstrated several biological properties such as antioxidant, antitumor, cardioprotective, and antiproliferative. On the other hand, doxorubicin, a chemotherapeutic widely used to treat breast cancer, usually exhibits chronic cardiotoxicity associated with oxidative stress. Therefore, we aimed to study the effects of phenolic compound-enriched extract (PCEE) with doxorubicin in breast cancer. To achieve this, after an SPE-C18 -column purification process of crude extracts obtained from pecan nutshells (Carya illinoinensis), the resulting PCEE was used to evaluate the cytotoxicity and antioxidant properties against the human breast cancer cell line MDA-MB-231 and the normal-hamster ovary cell line CHO-K1. PCEE was selectively cytotoxic against both cell lines, with an IC50 value (≈26.34 mg/L) for MDA-MB-231 lower than that obtained for CHO-K1 (≈55.63 mg/L). As a cytotoxic mechanism, PCEE inhibited cell growth by G2/M cell cycle arrest in MDA-MB-231 cells. Simultaneously, the study of the antioxidant activity showed that PCEE had a cytoprotective effect, evidenced by reduced ROS production in cells with oxidative stress caused by doxorubicin. The results highlight PCEE as a potential antitumor agent, thus revaluing it as an agro-industrial residue.
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Affiliation(s)
- Lucas E Ribas
- Centro Universitario Gálvez, Universidad Nacional del Litoral, Santa Fe, Argentina
- Centro de Medicina Comparada, Instituto de Ciencias Veterinarias del Litoral (ICiVet-Litoral), Universidad Nacional del Litoral (UNL)/Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Esperanza, Argentina
| | - Fátima B Gasser
- Centro de Medicina Comparada, Instituto de Ciencias Veterinarias del Litoral (ICiVet-Litoral), Universidad Nacional del Litoral (UNL)/Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Esperanza, Argentina
| | - María E Baravalle
- Centro Universitario Gálvez, Universidad Nacional del Litoral, Santa Fe, Argentina
- Centro de Medicina Comparada, Instituto de Ciencias Veterinarias del Litoral (ICiVet-Litoral), Universidad Nacional del Litoral (UNL)/Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Esperanza, Argentina
| | - Maria S Renna
- Centro de Medicina Comparada, Instituto de Ciencias Veterinarias del Litoral (ICiVet-Litoral), Universidad Nacional del Litoral (UNL)/Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Esperanza, Argentina
| | - Adriana Perello
- Centro Universitario Gálvez, Universidad Nacional del Litoral, Santa Fe, Argentina
- Centro de Medicina Comparada, Instituto de Ciencias Veterinarias del Litoral (ICiVet-Litoral), Universidad Nacional del Litoral (UNL)/Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Esperanza, Argentina
| | - Graciela H Savino
- Centro Universitario Gálvez, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Hugo H Ortega
- Centro de Medicina Comparada, Instituto de Ciencias Veterinarias del Litoral (ICiVet-Litoral), Universidad Nacional del Litoral (UNL)/Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Esperanza, Argentina
| | - Franco Van de Velde
- Instituto de Tecnología de los Alimentos, Facultad de Ingeniería Química, Universidad Nacional del Litoral, Santa Fe, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Santa Fe, Argentina
| | - Gustavo J Hein
- Centro Universitario Gálvez, Universidad Nacional del Litoral, Santa Fe, Argentina
- Centro de Medicina Comparada, Instituto de Ciencias Veterinarias del Litoral (ICiVet-Litoral), Universidad Nacional del Litoral (UNL)/Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Esperanza, Argentina
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Wu B, Xu C, Chen J, Chen G. Rhizoaspergillin A and Rhizoaspergillinol A, including a Unique Orsellinic Acid-Ribose-Pyridazinone- N-Oxide Hybrid, from the Mangrove Endophytic Fungus Aspergillus sp. A1E3. Mar Drugs 2023; 21:598. [PMID: 37999422 PMCID: PMC10671915 DOI: 10.3390/md21110598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Revised: 11/15/2023] [Accepted: 11/16/2023] [Indexed: 11/25/2023] Open
Abstract
Two new compounds, named rhizoaspergillin A (1) and rhizoaspergillinol A (2), were isolated from the mangrove endophytic fungus Aspergillus sp. A1E3, associated with the fruit of Rhizophora mucronata, together with averufanin (3). The planar structures and absolute configurations of rhizoaspergillinol A (2) and averufanin (3) were established by extensive NMR investigations and quantum-chemical electronic circular dichroism (ECD) calculations. Most notably, the constitution and absolute configuration of rhizoaspergillin A (1) were unambiguously determined by single-crystal X-ray diffraction analysis of its tri-pivaloyl derivative 4, conducted with Cu Kα radiation, whereas those of averufanin (3) were first clarified by quantum-chemical ECD calculations. Rhizoaspergillin A is the first orsellinic acid-ribose-pyridazinone-N-oxide hybrid containing a unique β-oxo-2,3-dihydropyridazine 1-oxide moiety, whereas rhizoaspergillinol A (2) and averufanin (3) are sterigmatocystin and anthraquinone derivatives, respectively. From the perspective of biosynthesis, rhizoaspergillin A (1) could be originated from the combined assembly of three building blocks, viz., orsellinic acid, β-D-ribofuranose, and L-glutamine. It is an unprecedented alkaloid-N-oxide involving biosynthetic pathways of polyketides, pentose, and amino acids. In addition, rhizoaspergillinol A (2) exhibited potent antiproliferative activity against four cancer cell lines. It could dose-dependently induce G2/M phase arrest in HepG2 cells.
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Affiliation(s)
- Binbin Wu
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China;
| | - Chenglong Xu
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, 1838 Guangzhou Avenue North, Guangzhou 510515, China;
| | - Jianjun Chen
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, 1838 Guangzhou Avenue North, Guangzhou 510515, China;
| | - Guangying Chen
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China;
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Hassan AHE, Wang CY, Lee CJ, Jeon HR, Choi Y, Moon S, Lee CH, Kim YJ, Cho SB, Mahmoud K, El-Sayed SM, Lee SK, Lee YS. Repurposing Synthetic Congeners of a Natural Product Aurone Unveils a Lead Antitumor Agent Inhibiting Folded P-Loop Conformation of MET Receptor Tyrosine Kinase. Pharmaceuticals (Basel) 2023; 16:1597. [PMID: 38004462 PMCID: PMC10675456 DOI: 10.3390/ph16111597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 11/03/2023] [Accepted: 11/07/2023] [Indexed: 11/26/2023] Open
Abstract
A library of 24 congeners of the natural product sulfuretin were evaluated against nine panels representing nine cancer diseases. While sulfuretin elicited very weak activities at 10 µM concentration, congener 1t was identified as a potential compound triggering growth inhibition of diverse cell lines. Mechanistic studies in HCT116 colon cancer cells revealed that congener 1t dose-dependently increased levels of cleaved-caspases 8 and 9 and cleaved-PARP, while it concentration-dependently decreased levels of CDK4, CDK6, Cdc25A, and Cyclin D and E resulting in induction of cell cycle arrest and apoptosis in colon cancer HCT116 cells. Mechanistic study also presented MET receptor tyrosine kinase as the molecular target mediating the anticancer activity of compound 1t in HCT116 cells. In silico study predicted folded p-loop conformation as the form of MET receptor tyrosine kinase responsible for binding of compound 1t. Together, the current study presents compound 1t as an interesting anticancer lead for further development.
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Affiliation(s)
- Ahmed H. E. Hassan
- Department of Medicinal Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
- Medicinal Chemistry Laboratory, Department of Pharmacy, College of Pharmacy, Kyung Hee University, 26 Kyungheedae-ro, Seoul 02447, Republic of Korea
| | - Cai Yi Wang
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Cheol Jung Lee
- Department of Fundamental Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Hye Rim Jeon
- Department of Fundamental Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Yeonwoo Choi
- Department of Fundamental Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Suyeon Moon
- Department of Fundamental Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Chae Hyeon Lee
- Department of Fundamental Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Yeon Ju Kim
- Department of Fundamental Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Soo Bin Cho
- Department of Fundamental Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Kazem Mahmoud
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Egyptian Russian University, Badr City 11829, Egypt
| | - Selwan M. El-Sayed
- Department of Medicinal Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
| | - Sang Kook Lee
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Yong Sup Lee
- Medicinal Chemistry Laboratory, Department of Pharmacy, College of Pharmacy, Kyung Hee University, 26 Kyungheedae-ro, Seoul 02447, Republic of Korea
- Department of Fundamental Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
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Joshi H, Tuli HS, Ranjan A, Chauhan A, Haque S, Ramniwas S, Bhatia GK, Kandari D. The Pharmacological Implications of Flavopiridol: An Updated Overview. Molecules 2023; 28:7530. [PMID: 38005250 PMCID: PMC10673037 DOI: 10.3390/molecules28227530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 11/06/2023] [Accepted: 11/06/2023] [Indexed: 11/26/2023] Open
Abstract
Flavopiridol is a flavone synthesized from the natural product rohitukine, which is derived from an Indian medicinal plant, namely Dysoxylum binectariferum Hiern. A deeper understanding of the biological mechanisms by which such molecules act may allow scientists to develop effective therapeutic strategies against a variety of life-threatening diseases, such as cancer, viruses, fungal infections, parasites, and neurodegenerative diseases. Mechanistic insight of flavopiridol reveals its potential for kinase inhibitory activity of CDKs (cyclin-dependent kinases) and other kinases, leading to the inhibition of various processes, including cell cycle progression, apoptosis, tumor proliferation, angiogenesis, tumor metastasis, and the inflammation process. The synthetic derivatives of flavopiridol have overcome a few demerits of its parent compound. Moreover, these derivatives have much improved CDK-inhibitory activity and therapeutic abilities for treating severe human diseases. It appears that flavopiridol has potential as a candidate for the formulation of an integrated strategy to combat and alleviate human diseases. This review article aims to unravel the potential therapeutic effectiveness of flavopiridol and its possible mechanism of action.
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Affiliation(s)
- Hemant Joshi
- School of Biotechnology, Jawaharlal Nehru University, New Delhi 110067, India;
| | - Hardeep Singh Tuli
- Department of Bio-Sciences and Technology, Maharishi Markandeshwar Engineering College, Maharishi Markandeshwar (Deemed to Be University), Mullana, Ambala 133207, India;
| | - Anuj Ranjan
- Academy of Biology and Biotechnology, Southern Federal University, Stachki 194/1, Rostov-on-Don 344090, Russia;
| | - Abhishek Chauhan
- Amity Institute of Environmental Toxicology Safety and Management, Amity University, Sector 125, Noida 201301, India;
| | - Shafiul Haque
- Research and Scientific Studies Unit, College of Nursing and Allied Health Sciences, Jazan University, Jazan 45142, Saudi Arabia;
- Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, Beirut 11022801, Lebanon
- Centre of Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman 13306, United Arab Emirates
| | - Seema Ramniwas
- University Centre for Research and Development, University Institute of Pharmaceutical Sciences, Chandigarh University, Gharuan, Mohali 140413, India;
| | - Gurpreet Kaur Bhatia
- Department of Physics, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala 133207, India;
| | - Divya Kandari
- School of Biotechnology, Jawaharlal Nehru University, New Delhi 110067, India;
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Cardoso RV, Pereira PR, Freitas CS, Mattos ÉBDA, Silva AVDF, Midlej VDV, Vericimo MA, Conte-Júnior CA, Paschoalin VMF. Tarin-Loaded Nanoliposomes Activate Apoptosis and Autophagy and Inhibit the Migration of Human Mammary Adenocarcinoma Cells. Int J Nanomedicine 2023; 18:6393-6408. [PMID: 37954458 PMCID: PMC10638905 DOI: 10.2147/ijn.s434626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Accepted: 10/28/2023] [Indexed: 11/14/2023] Open
Abstract
Background Tarin, a lectin purified from Colocasia esculenta, promotes in vitro and in vivo immunomodulatory effects allied to promising anticancer and antimetastatic effects against human adenocarcinoma mammary cells. This makes this 47 kDa-protein a natural candidate against human breast cancer, a leading cause of death among women. Tarin encapsulated in pegylated nanoliposomes displays increased effectiveness in controlling the proliferation of a mammary adenocarcinoma lineage comprising MDA-MB-231 cells. Methods The mechanisms enrolled in anticancer and antimetastatic responses were investigated by treating MDA-MB-231 cells with nano-encapsulated tarin at 72 μg/mL for up to 48h through flow cytometry and transmission electron microscopy (TEM). The safety of nano-encapsulated tarin towards healthy tissue was also assessed by the resazurin viability assay, and the effect of nanoencapsulated tarin on cell migration was evaluated by scratch assays. Results Ultrastructural analyses of MDA-MB-231 cells exposed to nanoencapsulated tarin revealed the accumulation of autophagosomes and damaged organelles, compatible with autophagy-dependent cell death. On the other hand, the flow cytometry investigation detected the increased occurrence of acidic vacuolar organelles, a late autophagosome trait, along with the enhanced presence of apoptotic cells, activated caspase-3/7, and cell cycle arrest at G0/G1. No deleterious effects were observed in healthy fibroblast cells following tarin nanoencapsulated exposition, in contrast to reduced viability in cells exposed to free tarin. The migration of MDA-MB-231 cells was inhibited by nano-encapsulated tarin, with delayed movement by 24 h compared to free tarin. Conclusion The nanoliposome formulation delivers tarin in a delayed and sustained manner, as evidenced by the belated and potent antitumoral and anti-migration effects on adenocarcinoma cells, with no toxicity to healthy cells. Although further investigations are required to fully understand antitumorigenic tarin mechanisms, the activation of both apoptotic and autophagic machineries along with the caspase-3/7 pathway, and cell cycle arrest may comprise a part of these mechanisms.
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Affiliation(s)
- Raiane Vieira Cardoso
- Departamento de Bioquímica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | | | - Cyntia Silva Freitas
- Departamento de Bioquímica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
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Barrett A, Shingare MR, Rechtsteiner A, Wijeratne TU, Rodriguez KM, Rubin SM, Müller GA. HDAC activity is dispensable for repression of cell-cycle genes by DREAM and E2F:RB complexes. bioRxiv 2023:2023.10.28.564489. [PMID: 37961464 PMCID: PMC10634886 DOI: 10.1101/2023.10.28.564489] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Histone deacetylases (HDACs) are pivotal in transcriptional regulation, and their dysregulation has been associated with various diseases including cancer. One of the critical roles of HDAC-containing complexes is the deacetylation of histone tails, which is canonically linked to transcriptional repression. Previous research has indicated that HDACs are recruited to cell-cycle gene promoters through the RB protein or the DREAM complex via SIN3B and that HDAC activity is essential for repressing G1/S and G2/M cell-cycle genes during cell-cycle arrest and exit. In this study, we sought to explore the interdependence of DREAM, RB, SIN3 proteins, and HDACs in the context of cell-cycle gene repression. We found that genetic knockout of SIN3B did not lead to derepression of cell-cycle genes in non-proliferating HCT116 and C2C12 cells. A combined loss of SIN3A and SIN3B resulted in a moderate upregulation in mRNA expression of several cell-cycle genes in arrested HCT116 cells, however, these effects appeared to be independent of DREAM or RB. Furthermore, HDAC inhibition did not induce a general upregulation of RB and DREAM target gene expression in arrested transformed or non-transformed cells. Our findings provide evidence that E2F:RB and DREAM complexes can repress cell-cycle genes without reliance on HDAC activity.
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Affiliation(s)
- Alison Barrett
- Department of Chemistry and Biochemistry, University of California, Santa Cruz, CA 95064, USA
- Current Affiliation: Department of Medicine, Division of Immunology and Rheumatology, Stanford University, Stanford, CA 94305, USA
| | - Manisha R. Shingare
- Department of Chemistry and Biochemistry, University of California, Santa Cruz, CA 95064, USA
| | - Andreas Rechtsteiner
- Department of Molecular, Cell, and Developmental Biology, University of California, Santa Cruz, CA 95064, USA
| | - Tilini U. Wijeratne
- Department of Chemistry and Biochemistry, University of California, Santa Cruz, CA 95064, USA
- Current Affiliation: Department of Medicine, Division of Immunology and Rheumatology, Stanford University, Stanford, CA 94305, USA
| | - Kelsie M. Rodriguez
- Department of Chemistry and Biochemistry, University of California, Santa Cruz, CA 95064, USA
| | - Seth M. Rubin
- Department of Chemistry and Biochemistry, University of California, Santa Cruz, CA 95064, USA
| | - Gerd A. Müller
- Department of Chemistry and Biochemistry, University of California, Santa Cruz, CA 95064, USA
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Kumari P, Dang S. Evaluation of Enhanced Cytotoxicity Effect of Repurposed Drug Simvastatin/ Thymoquinone Combination against Breast Cancer Cell Line. Cardiovasc Hematol Agents Med Chem 2023; 22:CHAMC-EPUB-135687. [PMID: 37907488 DOI: 10.2174/0118715257259037231012182741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 08/02/2023] [Accepted: 09/15/2023] [Indexed: 11/02/2023]
Abstract
INTRODUCTION The repurposing of drugs for their anticancer potential is gaining a lot of importance in drug discovery. AIMS The present study aims to explore the potential of Simvastatin (SIM), a drug used in the treatment of high cholesterol, and thymoquinone (Nigella Sativa) (THY) for its anti-cancer activity on breast cancer cell lines. Thymoquinone is reported to have many potential medicinal properties exhibiting antioxidant, antiinflammatory, anti-cancer, and activities like tissue growth and division, hormone regulation, immune response and development, and cell signaling. METHODS In this analysis, we explored the inhibitory effects of the combination of simvastatin ad thymoquinone on two breast cancer cell lines viz MCF-7 and MDA-MB-231 cells. The combined effect of simvastatin ad thymoquinone on cell viability, colony formation, cell migration, and orientation of more programmed cell death in vitro was studied. Cell cycle arrest in the G2/M phase was concomitant with the combined effect of SIM and THY persuading apoptosis and generating reactive oxygen species (ROS). RESULTS The cell cycle arrest in combined treatment was 8.1% on MCF-7 cells and 3.8 % for MDA-MB-231 cells an increased apoptosis was observed when cells were treated in combination which was about 76.20% and 58.15 % respectively for MCF-7 and MDA-MB-231 cells. CONCLUSION It was concluded that the combined effect of simvastatin and thymoquinone stimulates apoptosis in breast cancer cells.
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Affiliation(s)
- Pallavi Kumari
- Department of Biotechnology, Jaypee Institute of Information Technology, A-10, Noida, Sector 62, U.P., 201309, India
| | - Shweta Dang
- Department of Biotechnology, Jaypee Institute of Information Technology, A-10, Noida, Sector 62, U.P., 201309, India
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Firdous F, Riaz S, Furqan M, Fozail S, Fatima K, Pohl SÖG, Doleschall NJ, Myant KB, Kahfi J, Emwas AH, Jaremko M, Chotana GA, Saleem RSZ, Faisal A. Design, Synthesis, and Biological Evaluation of SSE1806, a Microtubule Destabilizer That Overcomes Multidrug Resistance. ACS Med Chem Lett 2023; 14:1369-1377. [PMID: 37849542 PMCID: PMC10577696 DOI: 10.1021/acsmedchemlett.3c00258] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 09/06/2023] [Indexed: 10/19/2023] Open
Abstract
Microtubules are dynamic structures that form spindle fibers during cell division; pharmacological inhibition of microtubule dynamics arrests cells in mitosis, leading to apoptosis, and they have been extensively used to treat various cancers. However, the efficacy of such drugs is often limited by multidrug resistance. This study synthesized and evaluated 30 novel derivatives of podophyllotoxin, a natural antimitotic compound, for their antiproliferative activities. Compound SSE1806 exhibited the most potent antiproliferative activity with GI50 values ranging from 1.29 ± 0.01 to 21.15 ± 2.1 μM in cancer cell lines of different origins; it directly inhibited microtubule polymerization, causing aberrant mitosis and G2/M arrest. Prolonged treatment with SSE1806 increased p53 expression, induced cell death in monolayer cultures, and reduced the growth of mouse- and patient-derived human colon cancer organoids. Importantly, SSE1806 overcame multidrug resistance in a cell line overexpressing MDR-1. Thus, SSE1806 represents a potential anticancer agent that can overcome multidrug resistance.
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Affiliation(s)
- Farhat Firdous
- Department
of Chemistry and Chemical Engineering, Syed Babar Ali School of Science
and Engineering, Lahore University of Management
Sciences, Lahore 54792, Pakistan
- Department
of Life Sciences, Syed Babar Ali School of Science and Engineering, Lahore University of Management Sciences, Lahore 54792, Pakistan
| | - Sharon Riaz
- Department
of Chemistry and Chemical Engineering, Syed Babar Ali School of Science
and Engineering, Lahore University of Management
Sciences, Lahore 54792, Pakistan
| | - Muhammad Furqan
- Department
of Life Sciences, Syed Babar Ali School of Science and Engineering, Lahore University of Management Sciences, Lahore 54792, Pakistan
| | - Salman Fozail
- Department
of Life Sciences, Syed Babar Ali School of Science and Engineering, Lahore University of Management Sciences, Lahore 54792, Pakistan
| | - Khushboo Fatima
- Department
of Life Sciences, Syed Babar Ali School of Science and Engineering, Lahore University of Management Sciences, Lahore 54792, Pakistan
| | - Sebastian Öther-Gee Pohl
- Institute
of Genetics and Cancer, The University of
Edinburgh, Western General Hospital Campus, Crewe Road, Edinburgh EH4 2XU, Scotland
| | - Nora Julia Doleschall
- Institute
of Genetics and Cancer, The University of
Edinburgh, Western General Hospital Campus, Crewe Road, Edinburgh EH4 2XU, Scotland
| | - Kevin B. Myant
- Institute
of Genetics and Cancer, The University of
Edinburgh, Western General Hospital Campus, Crewe Road, Edinburgh EH4 2XU, Scotland
| | - Jordan Kahfi
- Division
of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Kingdom of Saudi Arabia
| | - Abdul-Hamid Emwas
- KAUST
Core Laboratories, King Abdullah University
of Science and Technology, Thuwal 23955-6900, Kingdom of Saudi Arabia
| | - Mariusz Jaremko
- Division
of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Kingdom of Saudi Arabia
| | - Ghayoor Abbas Chotana
- Department
of Chemistry and Chemical Engineering, Syed Babar Ali School of Science
and Engineering, Lahore University of Management
Sciences, Lahore 54792, Pakistan
| | - Rahman Shah Zaib Saleem
- Department
of Chemistry and Chemical Engineering, Syed Babar Ali School of Science
and Engineering, Lahore University of Management
Sciences, Lahore 54792, Pakistan
| | - Amir Faisal
- Department
of Life Sciences, Syed Babar Ali School of Science and Engineering, Lahore University of Management Sciences, Lahore 54792, Pakistan
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Praphasawat R, Palipoch S, Suwannalert P, Payuhakrit W, Kunsorn P, Laovitthayanggoon S, Thakaew S, Munkong N, Klajing W. RED RICE BRAN EXTRACT SUPPRESSES COLON CANCER CELLS VIA APOPTOSIS INDUCTION/ CELL CYCLE ARREST AND EXERTS ANTIMUTAGENIC ACTIVITY. Exp Oncol 2023; 45:220-230. [PMID: 37824769 DOI: 10.15407/exp-oncology.2023.02.220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Indexed: 10/14/2023]
Abstract
BACKGROUND Red rice bran extract (RRBE) contains many biologically active substances exerting antioxidant and anti-inflammatory effects. AIM To evaluate the anticancer potential of RRBE in human colon cancer cells and its mutagenic/antimutagenic effects on nonmalignant cells. MATERIALS AND METHODS The cytotoxic effect of RRBE was determined by trypan blue exclusion in HCT116, HT29 cell lines and a non-cancerous HEK293 cell line, and its antiproliferative effect using MTS and colony formation assay. The apoptosis induction was evaluated using ELISA, and the apoptotic rate and cell cycle progression were assessed by flow cytometry. The mutagenic/ antimutagenic potential of RRBE was analyzed by micronucleus assay in the V79 cell line. RESULTS RRBE caused a dose-dependent reduction of cell viability in colon cancer cells and showed a limited cytotoxicity against HEK293 cells. The treatment with RRBE suppressed proliferation of HCT116 and HT29 cells and induced apoptosis as evidenced by the increased DNA fragmentation and the apoptotic cell counts. Furthermore, RRBE treatment significantly increased the number of cells at the G2/M phase triggering the arrest of the cell cycle in colon cancer cells. Interestingly, RRBE did not increase the micronucleus frequency in V79 cells but reduced the micronucleus formation caused by mitomycin C. CONCLUSION RRBE effectively suppressed proliferation, induced apoptosis, and caused a cell cycle arrest in human colon cancer cells while being non-mutagenic and exerting antimutagenic effects in vitro.
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Affiliation(s)
- Ratsada Praphasawat
- Department of Pathology, School of Medicine, University of Phayao, Phayao, Thailand 56000
| | - Sarawoot Palipoch
- School of Medicine, Walailak University, Nakhon Si Thammarat, Thailand 80160
| | - Prasit Suwannalert
- Department of Pathobiology, Faculty of Science, Mahidol University, Bangkok, Thailand 10400
| | - Witchuda Payuhakrit
- Department of Pathobiology, Faculty of Science, Mahidol University, Bangkok, Thailand 10400
| | - Paween Kunsorn
- Department of Pathobiology, Faculty of Science, Mahidol University, Bangkok, Thailand 10400
| | - Sarunya Laovitthayanggoon
- Expert Centre of Innovative Herbal Products, Thailand Institute of Scientific and Technological Research, Techno Polis, Khlong Luang District, Pathum Thani, Thailand 12120
| | - Sinittra Thakaew
- Department of Pathology, School of Medicine, University of Phayao, Phayao, Thailand 56000
| | - Narongsuk Munkong
- Department of Pathology, School of Medicine, University of Phayao, Phayao, Thailand 56000
| | - Warangkhana Klajing
- Department of Traditional Chinese Medicine, School of Public Health, University of Phayao, Phayao, Thailand 56000
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Menez V, Kergrohen T, Shasha T, Silva-Evangelista C, Le Dret L, Auffret L, Subecz C, Lancien M, Ajlil Y, Vilchis IS, Beccaria K, Blauwblomme T, Oberlin E, Grill J, Castel D, Debily MA. VRK3 depletion induces cell cycle arrest and metabolic reprogramming of pontine diffuse midline glioma - H3K27 altered cells. Front Oncol 2023; 13:1229312. [PMID: 37886173 PMCID: PMC10599138 DOI: 10.3389/fonc.2023.1229312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 09/19/2023] [Indexed: 10/28/2023] Open
Abstract
We previously identified VRK3 as a specific vulnerability in DMG-H3K27M cells in a synthetic lethality screen targeting the whole kinome. The aim of the present study was to elucidate the mechanisms by which VRK3 depletion impact DMG-H3K27M cell fitness. Gene expression studies after VRK3 knockdown emphasized the inhibition of genes involved in G1/S transition of the cell cycle resulting in growth arrest in G1. Additionally, a massive modulation of genes involved in chromosome segregation was observed, concomitantly with a reduction in the level of phosphorylation of serine 10 and serine 28 of histone H3 supporting the regulation of chromatin condensation during cell division. This last effect could be partly due to a concomitant decrease of the chromatin kinase VRK1 in DMG following VRK3 knockdown. Furthermore, a metabolic switch specific to VRK3 function was observed towards increased oxidative phosphorylation without change in mitochondria content, that we hypothesized would represent a cell rescue mechanism. This study further explored the vulnerability of DMG-H3K27M cells to VRK3 depletion suggesting potential therapeutic combinations, e.g. with the mitochondrial ClpP protease activator ONC201.
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Affiliation(s)
- Virginie Menez
- U981, Molecular Predictors and New Targets in Oncology, Team Genomics and Oncogenesis of Pediatric Brain Tumors, INSERM, Gustave Roussy, Université Paris-Saclay, Villejuif, France
| | - Thomas Kergrohen
- U981, Molecular Predictors and New Targets in Oncology, Team Genomics and Oncogenesis of Pediatric Brain Tumors, INSERM, Gustave Roussy, Université Paris-Saclay, Villejuif, France
| | - Tal Shasha
- U981, Molecular Predictors and New Targets in Oncology, Team Genomics and Oncogenesis of Pediatric Brain Tumors, INSERM, Gustave Roussy, Université Paris-Saclay, Villejuif, France
| | - Claudia Silva-Evangelista
- U981, Molecular Predictors and New Targets in Oncology, Team Genomics and Oncogenesis of Pediatric Brain Tumors, INSERM, Gustave Roussy, Université Paris-Saclay, Villejuif, France
| | - Ludivine Le Dret
- U981, Molecular Predictors and New Targets in Oncology, Team Genomics and Oncogenesis of Pediatric Brain Tumors, INSERM, Gustave Roussy, Université Paris-Saclay, Villejuif, France
| | - Lucie Auffret
- U981, Molecular Predictors and New Targets in Oncology, Team Genomics and Oncogenesis of Pediatric Brain Tumors, INSERM, Gustave Roussy, Université Paris-Saclay, Villejuif, France
| | - Chloé Subecz
- U981, Molecular Predictors and New Targets in Oncology, Team Genomics and Oncogenesis of Pediatric Brain Tumors, INSERM, Gustave Roussy, Université Paris-Saclay, Villejuif, France
| | - Manon Lancien
- U981, Molecular Predictors and New Targets in Oncology, Team Genomics and Oncogenesis of Pediatric Brain Tumors, INSERM, Gustave Roussy, Université Paris-Saclay, Villejuif, France
| | - Yassine Ajlil
- U981, Molecular Predictors and New Targets in Oncology, Team Genomics and Oncogenesis of Pediatric Brain Tumors, INSERM, Gustave Roussy, Université Paris-Saclay, Villejuif, France
| | - Irma Segoviano Vilchis
- U981, Molecular Predictors and New Targets in Oncology, Team Genomics and Oncogenesis of Pediatric Brain Tumors, INSERM, Gustave Roussy, Université Paris-Saclay, Villejuif, France
| | - Kévin Beccaria
- U981, Molecular Predictors and New Targets in Oncology, Team Genomics and Oncogenesis of Pediatric Brain Tumors, INSERM, Gustave Roussy, Université Paris-Saclay, Villejuif, France
- Department of Pediatric Neurosurgery, Necker Enfants Malades, Paris, France
| | - Thomas Blauwblomme
- Department of Pediatric Neurosurgery, Necker Enfants Malades, Paris, France
| | - Estelle Oberlin
- Inserm UMRS-MD 1197, Université Paris-Saclay, Villejuif, France
| | - Jacques Grill
- U981, Molecular Predictors and New Targets in Oncology, Team Genomics and Oncogenesis of Pediatric Brain Tumors, INSERM, Gustave Roussy, Université Paris-Saclay, Villejuif, France
- Département de Cancérologie de l’Enfant et de l’Adolescent, Gustave Roussy, Université Paris-Saclay, Villejuif, France
| | - David Castel
- U981, Molecular Predictors and New Targets in Oncology, Team Genomics and Oncogenesis of Pediatric Brain Tumors, INSERM, Gustave Roussy, Université Paris-Saclay, Villejuif, France
| | - Marie-Anne Debily
- U981, Molecular Predictors and New Targets in Oncology, Team Genomics and Oncogenesis of Pediatric Brain Tumors, INSERM, Gustave Roussy, Université Paris-Saclay, Villejuif, France
- Univ Evry, Université Paris-Saclay, Evry, France
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Veeresh PKM, Basavaraju CG, Dallavalasa S, Anantharaju PG, Natraj SM, Sukocheva OA, Madhunapantula SV. Vitamin D3 Inhibits the Viability of Breast Cancer Cells In Vitro and Ehrlich Ascites Carcinomas in Mice by Promoting Apoptosis and Cell Cycle Arrest and by Impeding Tumor Angiogenesis. Cancers (Basel) 2023; 15:4833. [PMID: 37835527 PMCID: PMC10571758 DOI: 10.3390/cancers15194833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Revised: 09/16/2023] [Accepted: 09/20/2023] [Indexed: 10/15/2023] Open
Abstract
The incidence of aggressive and resistant breast cancers is growing at alarming rates, indicating a necessity to develop better treatment strategies. Recent epidemiological and preclinical studies detected low serum levels of vitamin D in cancer patients, suggesting that vitamin D may be effective in mitigating the cancer burden. However, the molecular mechanisms of vitamin D3 (cholecalciferol, vit-D3)-induced cancer cell death are not fully elucidated. The vit-D3 efficacy of cell death activation was assessed using breast carcinoma cell lines in vitro and a widely used Ehrlich ascites carcinoma (EAC) breast cancer model in vivo in Swiss albino mice. Both estrogen receptor-positive (ER+, MCF-7) and -negative (ER-, MDA-MB-231, and MDA-MB-468) cell lines absorbed about 50% of vit-D3 in vitro over 48 h of incubation. The absorbed vit-D3 retarded the breast cancer cell proliferation in a dose-dependent manner with IC50 values ranging from 0.10 to 0.35 mM. Prolonged treatment (up to 72 h) did not enhance vit-D3 anti-proliferative efficacy. Vit-D3-induced cell growth arrest was mediated by the upregulation of p53 and the downregulation of cyclin-D1 and Bcl2 expression levels. Vit-D3 retarded cell migration and inhibited blood vessel growth in vitro as well as in a chorioallantoic membrane (CAM) assay. The intraperitoneal administration of vit-D3 inhibited solid tumor growth and reduced body weight gain, as assessed in mice using a liquid tumor model. In summary, vit-D3 cytotoxic effects in breast cancer cell lines in vitro and an EAC model in vivo were associated with growth inhibition, the induction of apoptosis, cell cycle arrest, and the impediment of angiogenic processes. The generated data warrant further studies on vit-D3 anti-cancer therapeutic applications.
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Affiliation(s)
- Prashanth Kumar M. Veeresh
- Center of Excellence in Molecular Biology and Regenerative Medicine (CEMR) Laboratory, Department of Biochemistry, JSS Medical College, JSS Academy of Higher Education & Research, Mysuru 570015, Karnataka, India; (P.K.M.V.); (C.G.B.); (S.D.); (P.G.A.); (S.M.N.)
| | - Chaithanya G. Basavaraju
- Center of Excellence in Molecular Biology and Regenerative Medicine (CEMR) Laboratory, Department of Biochemistry, JSS Medical College, JSS Academy of Higher Education & Research, Mysuru 570015, Karnataka, India; (P.K.M.V.); (C.G.B.); (S.D.); (P.G.A.); (S.M.N.)
| | - Siva Dallavalasa
- Center of Excellence in Molecular Biology and Regenerative Medicine (CEMR) Laboratory, Department of Biochemistry, JSS Medical College, JSS Academy of Higher Education & Research, Mysuru 570015, Karnataka, India; (P.K.M.V.); (C.G.B.); (S.D.); (P.G.A.); (S.M.N.)
| | - Preethi G. Anantharaju
- Center of Excellence in Molecular Biology and Regenerative Medicine (CEMR) Laboratory, Department of Biochemistry, JSS Medical College, JSS Academy of Higher Education & Research, Mysuru 570015, Karnataka, India; (P.K.M.V.); (C.G.B.); (S.D.); (P.G.A.); (S.M.N.)
| | - Suma M. Natraj
- Center of Excellence in Molecular Biology and Regenerative Medicine (CEMR) Laboratory, Department of Biochemistry, JSS Medical College, JSS Academy of Higher Education & Research, Mysuru 570015, Karnataka, India; (P.K.M.V.); (C.G.B.); (S.D.); (P.G.A.); (S.M.N.)
| | - Olga A. Sukocheva
- Department of Hepatology, Royal Adelaide Hospital, Port Rd, Adelaide 5000, Australia;
| | - SubbaRao V. Madhunapantula
- Center of Excellence in Molecular Biology and Regenerative Medicine (CEMR) Laboratory, Department of Biochemistry, JSS Medical College, JSS Academy of Higher Education & Research, Mysuru 570015, Karnataka, India; (P.K.M.V.); (C.G.B.); (S.D.); (P.G.A.); (S.M.N.)
- Special Interest Group in Cancer Biology and Cancer Stem Cells (SIG-CBCSC), Department of Biochemistry, JSS Medical College, JSS Academy of Higher Education & Research, Mysuru 570015, Karnataka, India
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Hanna DH, Aziz MM, Shafee EE. Effective-by-method for the preparation of folic acid-coated TiO 2 nanoparticles with high targeting potential for apoptosis induction against bladder cancer cells (T24). Biotechnol Appl Biochem 2023; 70:1597-1615. [PMID: 36905187 DOI: 10.1002/bab.2456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Accepted: 02/25/2023] [Indexed: 03/12/2023]
Abstract
The research's goal is to create the surfaces of titanium dioxide nanoparticles (TiO2 NPs) in a layer of folic acid (FA) that can effectively target human bladder cancer cells (T24). An efficient method for creating FA-coated TiO2 NPs was used, and many tools have been used to analyze its physicochemical properties. The cytotoxic effects of FA-coated NPs on T24 cells and the mechanisms of apoptosis generation were examined employing a variety of methodologies. The prepared FA-coated TiO2 NPs suspensions with a hydrodynamic diameter around 37 nm and a negative surface charge of -30 mV reduced T24 cell proliferation with stronger IC50 value (21.8 ± 1.9 μg/ml) than TiO2 NPs (47.8 ± 2.5 μg/ml). This toxicity resulted in apoptosis induction (16.63%) that was caused through enhanced reactive oxygen species formation and stopping the cell cycle over G2/M phase. Moreover, FA-TiO2 NPs raised the expression levels of P53, P21, BCL2L4, and cleaved Caspase-3, while decreasing Bcl-2, Cyclin B, and CDK1 in treated cells. Overall, these findings revealed efficient targeting of the FA-TiO2 NPs resulted in increasing cellular internalization caused increased apoptosis in T24 cells. As a result, FA-TiO2 NPs might be a viable treatment for human bladder cancer.
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Affiliation(s)
- Demiana H Hanna
- Department of Chemistry, Faculty of Science, Cairo University, Giza, Egypt
| | - Marina M Aziz
- Department of Chemistry, Faculty of Science, Cairo University, Giza, Egypt
| | - E El Shafee
- Department of Chemistry, Faculty of Science, Cairo University, Giza, Egypt
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Deng M, Wang J, Chen Y, Zhang L, Xie G, Liu Q, Zhang T, Yuan P, Liu D. [Retracted] Silencing cyclin‑dependent kinase inhibitor 3 inhibits the migration of breast cancer cell lines. Mol Med Rep 2023; 28:188. [PMID: 37615169 PMCID: PMC10463229 DOI: 10.3892/mmr.2023.13075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2015] [Accepted: 05/31/2016] [Indexed: 08/25/2023] Open
Abstract
Following the publication of this paper, it was drawn to the Editor's attention by a concerned reader that the GAPDH control western blotting data shown in Fig. 1C were strikingly similar to data appearing in different form in another article written by different authors at different research institutes [Chen Y, Guo Y, Yang H, Shi G, Xu G, Shi J, Yin N and Chen D: TRIM66 overexpression contributes to osteosarcoma carcinogenesis and indicates poor survival outcome. Oncotarget 6: 23708‑23719, 2015]. Moreover, a pair of data panels showing the results from cell‑cycle experiments purportedly performed under different experimental conditions in Fig. 4A appeared to be strikingly similar. Owing to the fact that the contentious data in the above article were already under consideration for publication prior to its submission to Molecular Medicine Reports, the Editor has decided that this paper should be retracted from the Journal. The authors were asked for an explanation to account for these concerns, but the Editorial Office did not receive a reply. The Editor apologizes to the readership for any inconvenience caused. [Molecular Medicine Reports 14: 1523‑1530, 2016; DOI: 10.3892/mmr.2016.5401].
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Affiliation(s)
- Miao Deng
- Department of Breast Surgery, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, Henan 471003, P.R. China
| | - Jianguang Wang
- Department of Breast Surgery, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, Henan 471003, P.R. China
| | - Yanbin Chen
- Department of Breast Surgery, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, Henan 471003, P.R. China
| | - Like Zhang
- Department of Breast Surgery, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, Henan 471003, P.R. China
| | - Gangqiang Xie
- Department of Breast Surgery, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, Henan 471003, P.R. China
| | - Qipeng Liu
- Department of Breast Surgery, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, Henan 471003, P.R. China
| | - Ting Zhang
- Department of Breast Surgery, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, Henan 471003, P.R. China
| | - Pengfei Yuan
- Department of Breast Surgery, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, Henan 471003, P.R. China
| | - Dechun Liu
- Department of Breast Surgery, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, Henan 471003, P.R. China
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Jung BC, Kim SH, Cho Y, Kim YS. Tumor suppressor Parkin induces p53-mediated cell cycle arrest in human lung and colorectal cancer cells. BMB Rep 2023; 56:557-562. [PMID: 37679297 PMCID: PMC10618076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 08/11/2023] [Accepted: 08/28/2023] [Indexed: 09/09/2023] Open
Abstract
Dysregulation of the E3 ubiquitin ligase Parkin has been linked to various human cancers, indicating that Parkin is a tumor suppressor protein. However, the mechanisms of action of Parkin remain unclear to date. Thus, we aimed to elucidate the mechanisms of action of Parkin as a tumor suppressor in human lung and colorectal cancer cells. Results showed that Parkin overexpression reduced the viability of A549 human lung cancer cells by inducing G2/M cell cycle arrest. In addition, Parkin caused DNA damage and ATM (Ataxia telangiectasia mutated) activation, which subsequently led to p53 activation. It also induced the p53-mediated upregulation of p21 and downregulation of cyclin B1. Moreover, Parkin suppressed the proliferation of HCT-15 human colorectal cancer cells by a mechanism similar to that in A549 lung cancer cells. Taken together, our results suggest that the tumor-suppressive effects of Parkin on lung and colorectal cancer cells are mediated by DNA damage/p53 activation/cyclin B1 reduction/cell cycle arrest. [BMB Reports 2023; 56(10): 557-562].
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Affiliation(s)
- Byung Chul Jung
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA 94720, USA, Wonju 26460, Korea
- Department of Biomedical Laboratory Science, College of Software and Digital Healthcare Convergence, Yonsei University, Wonju 26493, Korea
| | - Sung Hoon Kim
- Department of Biomedical Laboratory Science, College of Software and Digital Healthcare Convergence, Yonsei University, Wonju 26493, Korea
- Department of Biomedical Laboratory Science, Korea Nazarene University, Cheonan 31172, Korea
| | - Yoonjung Cho
- Department of Biomedical Laboratory Science, College of Software and Digital Healthcare Convergence, Yonsei University, Wonju 26493, Korea
- Forensic DNA Division, National Forensic Service, Wonju 26460, Korea
| | - Yoon Suk Kim
- Department of Biomedical Laboratory Science, College of Software and Digital Healthcare Convergence, Yonsei University, Wonju 26493, Korea
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Overcash J, List AF, Balducci L. Resilience in Older Adults Diagnosed With Cancer and Receiving Chemotherapy. Clin J Oncol Nurs 2023; 27:515-523. [PMID: 37729448 DOI: 10.1188/23.cjon.515-523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/22/2023]
Abstract
BACKGROUND Resilience is the capacity for physical and emotional recovery from stressful events like cancer diagnosis and treatment. OBJECTIVES The objectives of this study were to review existing literature to understand and illustrate ways to assess and manage resilience when providing holistic care to older adults with cancer. METHODS A review of the literature was conducted with a focus on assessment, management, and preservation of resilience in older adults with cancer. FINDINGS Interventions to support resilience include managing problems that occur in the areas of nutrition, exercise, social support, cognition, functional status, and emotion. Cell cycle arrest using pharmacologic agents may provide a novel proactive approach to protect resilience from deteriorating during chemotherapy to treat cancer. The oncology nurse can assess and manage resilience. which can lead to better treatment outcomes.
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Xiao S, Qin D, Hou X, Tian L, Yu Y, Zhang R, Lyu H, Guo D, Chen XZ, Zhou C, Tang J. Cellular senescence: a double-edged sword in cancer therapy. Front Oncol 2023; 13:1189015. [PMID: 37771436 PMCID: PMC10522834 DOI: 10.3389/fonc.2023.1189015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Accepted: 08/15/2023] [Indexed: 09/30/2023] Open
Abstract
Over the past few decades, cellular senescence has been identified in cancer patients undergoing chemotherapy and radiotherapy. Senescent cells are generally characterized by permanent cell cycle arrest as a response to endogenous and exogenous stresses. In addition to exiting the cell cycle process, cellular senescence also triggers profound phenotypic changes such as senescence-associated secretory phenotype (SASP), autophagy modulation, or metabolic reprograming. Consequently, cellular senescence is often considered as a tumor-suppressive mechanism that permanently arrests cells at risk of malignant transformation. However, accumulating evidence shows that therapy-induced senescence can promote epithelial-mesenchymal transition and tumorigenesis in neighboring cells, as well as re-entry into the cell cycle and activation of cancer stem cells, thereby promoting cancer cell survival. Therefore, it is particularly important to rapidly eliminate therapy-induced senescent cells in patients with cancer. Here we review the hallmarks of cellular senescence and the relationship between cellular senescence and cancer. We also discuss several pathways to induce senescence in tumor therapy, as well as strategies to eliminate senescent cells after cancer treatment. We believe that exploiting the intersection between cellular senescence and tumor cells is an important means to defeat tumors.
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Affiliation(s)
- Shuai Xiao
- National “111” Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, China
| | - Dongmin Qin
- National “111” Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, China
| | - Xueyang Hou
- National “111” Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, China
| | - Lingli Tian
- National “111” Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, China
| | - Yeping Yu
- National “111” Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, China
| | - Rui Zhang
- National “111” Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, China
- Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Hubei Key Laboratory of Industrial Microbiology, Hubei University of Technology, Wuhan, China
| | - Hao Lyu
- National “111” Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, China
| | - Dong Guo
- National “111” Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, China
| | - Xing-Zhen Chen
- Membrane Protein Disease Research Group, Department of Physiology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, Canada
| | - Cefan Zhou
- National “111” Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, China
| | - Jingfeng Tang
- National “111” Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan, China
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Ahmed SA, Mendonca P, Messeha SS, Soliman KFA. Anticancer Effects of Fucoxanthin through Cell Cycle Arrest, Apoptosis Induction, and Angiogenesis Inhibition in Triple-Negative Breast Cancer Cells. Molecules 2023; 28:6536. [PMID: 37764312 PMCID: PMC10535858 DOI: 10.3390/molecules28186536] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 09/07/2023] [Accepted: 09/08/2023] [Indexed: 09/29/2023] Open
Abstract
The absence of progesterone receptors, estrogen receptors, and human epidermal growth factor receptor-2 restricts the therapy choices for treating triple-negative breast cancer (TNBC). Moreover, conventional medication is not highly effective in treating TNBC, and developing effective therapeutic agents from natural bioactive compounds is a viable option. In this study, the anticancer effects of the natural compound fucoxanthin were investigated in two genetically different models of TNBC cells: MDA-MB-231 and MDA-MB-468 cells. Fucoxanthin had a significant anticancer effect in both cell lines at a concentration range of 1.56-300 µM. The compound decreased cell viability in both cell lines with higher potency in MDA-MB-468 cells. Meanwhile, proliferation assays showed similar antiproliferative effects in both cell lines after 48 h and 72 h treatment periods. Flow cytometry and Annexin V-FITC apoptosis assay revealed the ability of fucoxanthin to induce apoptosis in MDA-MB-231 only. Cell cycle arrest analysis showed that the compound also induced cell cycle arrest at the G1 phase in both cell lines, accompanied by more cell cycle arrest in MDA-MB-231 cells at S-phase and a higher cell cycle arrest in the MDA-MB-468 cells at G2-phase. Wound healing and migration assay showed that in both cell lines, fucoxanthin prevented migration, but was more effective in MDA-MB-231 cells in a shorter time. In both angiogenic cytokine array and RT-PCR studies, fucoxanthin (6.25 µM) downregulated VEGF-A and -C expression in TNF-α-stimulated (50 ng/mL) MDA-MB-231, but not in MDA-MB-468 cells on the transcription and protein levels. In conclusion, this study shows that fucoxanthin was more effective in MDA-MB-231 TNBC cells, where it can target VEGF-A and VEGF-C, inhibit cell proliferation and cell migration, and induce cell cycle arrest and apoptosis-the most crucial cellular processes involved in breast cancer development and progression.
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Affiliation(s)
- Shade’ A. Ahmed
- Division of Pharmaceutical Sciences, Institute of Public Health, College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA;
| | - Patricia Mendonca
- Department of Biology, College of Science and Technology, Florida A&M University, Tallahassee, FL 32307, USA;
| | - Samia S. Messeha
- Department of Biology, College of Science and Technology, Florida A&M University, Tallahassee, FL 32307, USA;
| | - Karam F. A. Soliman
- Division of Pharmaceutical Sciences, Institute of Public Health, College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL 32307, USA;
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