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Naponelli V, Rocchetti MT, Mangieri D. Apigenin: Molecular Mechanisms and Therapeutic Potential against Cancer Spreading. Int J Mol Sci 2024; 25:5569. [PMID: 38791608 PMCID: PMC11122459 DOI: 10.3390/ijms25105569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Revised: 05/16/2024] [Accepted: 05/17/2024] [Indexed: 05/26/2024] Open
Abstract
Due to its propensity to metastasize, cancer remains one of the leading causes of death worldwide. Thanks in part to their intrinsic low cytotoxicity, the effects of the flavonoid family in the prevention and treatment of various human cancers, both in vitro and in vivo, have received increasing attention in recent years. It is well documented that Apigenin (4',5,7-trihydroxyflavone), among other flavonoids, is able to modulate key signaling molecules involved in the initiation of cancer cell proliferation, invasion, and metastasis, including JAK/STAT, PI3K/Akt/mTOR, MAPK/ERK, NF-κB, and Wnt/β-catenin pathways, as well as the oncogenic non-coding RNA network. Based on these premises, the aim of this review is to emphasize some of the key events through which Apigenin suppresses cancer proliferation, focusing specifically on its ability to target key molecular pathways involved in angiogenesis, epithelial-to-mesenchymal transition (EMT), maintenance of cancer stem cells (CSCs), cell cycle arrest, and cancer cell death.
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Affiliation(s)
- Valeria Naponelli
- Department of Medicine and Surgery, University of Parma, Plesso Biotecnologico Integrato, Via Volturno 39, 43126 Parma, Italy
| | - Maria Teresa Rocchetti
- Department of Clinical and Experimental Medicine, University of Foggia, Via Pinto 1, 71122 Foggia, Italy;
| | - Domenica Mangieri
- Department of Clinical and Experimental Medicine, University of Foggia, Via Pinto 1, 71122 Foggia, Italy;
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2
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Yang T, Wang G, Zhang M, Hu X, Li Q, Yun F, Xing Y, Song X, Zhang H, Hu G, Qian Y. Triggering endogenous Z-RNA sensing for anti-tumor therapy through ZBP1-dependent necroptosis. Cell Rep 2023; 42:113377. [PMID: 37922310 DOI: 10.1016/j.celrep.2023.113377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 08/15/2023] [Accepted: 10/19/2023] [Indexed: 11/05/2023] Open
Abstract
ZBP1 senses viral Z-RNAs to induce necroptotic cell death to restrain viral infection. ZBP1 is also thought to recognize host cell-derived Z-RNAs to regulate organ development and tissue inflammation in mice. However, it remains unknown how the host-derived Z-RNAs are formed and how these endogenous Z-RNAs are sensed by ZBP1. Here, we report that oxidative stress strongly induces host cell endogenous Z-RNAs, and the Z-RNAs then localize to stress granules for direct sensing by ZBP1 to trigger necroptosis. Oxidative stress triggers dramatically increase Z-RNA levels in tumor cells, and the Z-RNAs then directly trigger tumor cell necroptosis through ZBP1. Localization of the induced Z-RNAs to stress granules is essential for ZBP1 sensing. Oxidative stress-induced Z-RNAs significantly promote tumor chemotherapy via ZBP1-driven necroptosis. Thus, our study identifies oxidative stress as a critical trigger for Z-RNA formation and demonstrates how Z-RNAs are directly sensed by ZBP1 to trigger anti-tumor necroptotic cell death.
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Affiliation(s)
- Tao Yang
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Guodong Wang
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Mingxiang Zhang
- School of Life Science and Technology, ShanghaiTech University, Shanghai 200031, China
| | - Xiaohu Hu
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Qi Li
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Fenglin Yun
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Yingying Xing
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Xinyang Song
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Haibing Zhang
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Guohong Hu
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Youcun Qian
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 200031, China.
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3
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Moldovan C, Onaciu A, Toma V, Munteanu RA, Gulei D, Moldovan AI, Stiufiuc GF, Feder RI, Cenariu D, Iuga CA, Stiufiuc RI. Current trends in luminescence-based assessment of apoptosis. RSC Adv 2023; 13:31641-31658. [PMID: 37908656 PMCID: PMC10613953 DOI: 10.1039/d3ra05809c] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 10/18/2023] [Indexed: 11/02/2023] Open
Abstract
Apoptosis, the most extensively studied type of cell death, is known to play a crucial role in numerous processes such as elimination of unwanted cells or cellular debris, growth, control of the immune system, and prevention of malignancies. Defective regulation of apoptosis can trigger various diseases and disorders including cancer, neurological conditions, autoimmune diseases and developmental disorders. Knowing the nuances of the cell death type induced by a compound can help decipher which therapy is more effective for specific diseases. The detection of apoptotic cells using classic methods has brought significant contribution over the years, but innovative methods are quickly emerging and allow more in-depth understanding of the mechanisms, aside from a simple quantification. Due to increased sensitivity, time efficiency, pathway specificity and negligible cytotoxicity, these innovative approaches have great potential for both in vitro and in vivo studies. This review aims to shed light on the importance of developing and using novel nanoscale methods as an alternative to the classic apoptosis detection techniques.
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Affiliation(s)
- Cristian Moldovan
- Medfuture-Research Center for Advanced Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy Marinescu 23/Louis Pasteur Street No. 4-6 400337 Cluj-Napoca Romania +40-0726-34-02-78
- Department of Pharmaceutical Physics & Biophysics, Faculty of Pharmacy, "Iuliu Hatieganu" University of Medicine and Pharmacy Louis Pasteur Street No. 4-6 400349 Cluj-Napoca Romania
| | - Anca Onaciu
- Medfuture-Research Center for Advanced Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy Marinescu 23/Louis Pasteur Street No. 4-6 400337 Cluj-Napoca Romania +40-0726-34-02-78
| | - Valentin Toma
- Medfuture-Research Center for Advanced Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy Marinescu 23/Louis Pasteur Street No. 4-6 400337 Cluj-Napoca Romania +40-0726-34-02-78
| | - Raluca A Munteanu
- Medfuture-Research Center for Advanced Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy Marinescu 23/Louis Pasteur Street No. 4-6 400337 Cluj-Napoca Romania +40-0726-34-02-78
| | - Diana Gulei
- Medfuture-Research Center for Advanced Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy Marinescu 23/Louis Pasteur Street No. 4-6 400337 Cluj-Napoca Romania +40-0726-34-02-78
| | - Alin I Moldovan
- Medfuture-Research Center for Advanced Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy Marinescu 23/Louis Pasteur Street No. 4-6 400337 Cluj-Napoca Romania +40-0726-34-02-78
| | - Gabriela F Stiufiuc
- Faculty of Physics, "Babes Bolyai" University Mihail Kogalniceanu Street No. 1 400084 Cluj-Napoca Romania
| | - Richard I Feder
- Medfuture-Research Center for Advanced Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy Marinescu 23/Louis Pasteur Street No. 4-6 400337 Cluj-Napoca Romania +40-0726-34-02-78
| | - Diana Cenariu
- Medfuture-Research Center for Advanced Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy Marinescu 23/Louis Pasteur Street No. 4-6 400337 Cluj-Napoca Romania +40-0726-34-02-78
| | - Cristina A Iuga
- Medfuture-Research Center for Advanced Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy Marinescu 23/Louis Pasteur Street No. 4-6 400337 Cluj-Napoca Romania +40-0726-34-02-78
- Pharmaceutical Analysis, Faculty of Pharmacy, "Iuliu Hatieganu" University of Medicine and Pharmacy Louis Pasteur Street 6 Cluj-Napoca 400349 Romania
| | - Rares I Stiufiuc
- Medfuture-Research Center for Advanced Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy Marinescu 23/Louis Pasteur Street No. 4-6 400337 Cluj-Napoca Romania +40-0726-34-02-78
- Department of Pharmaceutical Physics & Biophysics, Faculty of Pharmacy, "Iuliu Hatieganu" University of Medicine and Pharmacy Louis Pasteur Street No. 4-6 400349 Cluj-Napoca Romania
- TRANSCEND Research Center, Regional Institute of Oncology 700483 Iasi Romania
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4
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Golbashirzadeh M, Heidari HR, Aghamolayi AA, Fattahi Y, Talebi M, Khosroushahi AY. In vitro siRNA-mediated GPX4 and AKT1 silencing in oxaliplatin resistance cancer cells induces ferroptosis and apoptosis. Med Oncol 2023; 40:279. [PMID: 37632628 DOI: 10.1007/s12032-023-02130-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 02/21/2022] [Indexed: 08/28/2023]
Abstract
Oxaliplatin is a member of platinum-based chemotherapy drugs frequently used in colorectal cancer (CRC). However, resistance to oxaliplatin causes tumor progression and metastasis. Akt1 and Gpx4 are essential regulator genes of apoptosis and ferroptosis pathways. Inhibition of these genes might eradicate oxaliplatin resistance in resistant CRC cells. We compared two cell death strategies to reverse drug resistance in Caco-2 and HT-29 oxaliplatin-resistant cell lines. We used the AKT1-specific siRNA to induce apoptosis. Also, GPX4-specific siRNA and FIN56 were utilized to generate ferroptosis. The effect of these treatments was assessed by reactive oxygen species (ROS) formation, cell viability, and protein expression level assays. Besides, the expression of GPX4, CoQ10, and NRF2 was assessed in both cell lines after treatments. Correctly measuring the expression of these responsible genes and proteins confirms the occurrence of different types of cell death. In addition, the ability of Akt1/ GPX4 siRNA in resensitizing HT-29 and Caco-2 oxaliplatin resistance cells was evaluated. Our finding showed that the upregulation of GPX4/siRNA caused a reduction in GPX4 and CoQ10 expressions in both cell lines. However, the expression level of NRF2 showed the same level in our cell lines, so we observed a downregulation of NRF2 in resistant CRC cell lines. Cell viability assay indicated that induction of ferroptosis by GPX4/siRNA or FIN56 and apoptosis by Akt1/siRNA in resistant cell lines could reverse the oxaliplatin resistance. We concluded that downregulation of Akt1 or Gpx4 could increase the efficacy of oxaliplatin to overcome the resistance compared to FIN56.
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Affiliation(s)
- Morteza Golbashirzadeh
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tabriz University of Medical Sciences, P.O. 14766-51664, Tabriz, Iran
| | - Hamid Reza Heidari
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tabriz University of Medical Sciences, P.O. 14766-51664, Tabriz, Iran.
| | - Ali Asghar Aghamolayi
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tabriz University of Medical Sciences, P.O. 14766-51664, Tabriz, Iran
| | - Yasin Fattahi
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Tabriz University of Medical Sciences, P.O. 14766-51664, Tabriz, Iran
| | - Mehdi Talebi
- Hematology and Oncology Research Center, Department of Applied Cell Sciences, School of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ahmad Yari Khosroushahi
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
- Department of Medical Nanotechnology, Faculty of Advanced Medical Science, Tabriz University of Medical Sciences, Daneshgah Street, P.O.Box 51548-53431, Tabriz, Iran.
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5
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El-Hazek RMM, Zaher NH, Emam HES, El-Gazzar MG, Khalil A. Pyrazole-sulfonamide scaffold featuring dual-tail strategy as apoptosis inducers in colon cancer. Sci Rep 2023; 13:5782. [PMID: 37031294 PMCID: PMC10082777 DOI: 10.1038/s41598-023-32820-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Accepted: 04/03/2023] [Indexed: 04/10/2023] Open
Abstract
Dual-tail strategy has been successfully utilized in the development of novel carbonic anhydrase IX (CA IX) inhibitors. Herein we adopted this approach in the design and synthesis of a series of novel pyridine sulfonamide-pyrazole hybrid scaffold mimicking dual-tail inhibitors of CA IX. A library of 15 compounds was synthesized and assessed for their potential cytotoxic effects against colorectal cancer cells. Compounds 3, and 11 induced potential cytotoxic effects against the three cancer cell lines (HCT-116, HT-29, and SW-620) with IC50s' of 45.88, 28.27, and 16.57 uM, 25.01, 8.99, and 3.27 µM, respectively. Both compounds induced cellular apoptosis on HCT-116 and SW-620 cells, while compound 3 induced necrosis as well. In addition, both compounds induced cell cycle arrest on G0/G1, and S phases. Also, compound 11 showed potential autophagy induction on both colon cancer cell lines (HCT-116, and HT-29), and a little bit on metastatic type. Both compounds were less cytotoxic than the reference drug on normal epithelial cell. The migration rates of HCT-116 and the metastatic one SW-620 were reduced by both compounds. Finally, molecular docking of compounds 3 and 11 into the active site of CA IX confirmed in vitro inhibitory activity for both compounds.
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Affiliation(s)
- Reham M M El-Hazek
- Drug Radiation Research Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, 11787, Egypt
| | - Nashwa H Zaher
- Drug Radiation Research Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, 11787, Egypt
| | - Hagar E S Emam
- Biomedical Research Division, Nawah Scientific, Cairo, Egypt
| | - Marwa G El-Gazzar
- Drug Radiation Research Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, 11787, Egypt.
| | - Amira Khalil
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, The British University in Egypt (BUE), El-Sherouk City, 11837, Egypt.
- The Center for Drug Research and Development (CDRD), Faculty of Pharmacy, The British University in Egypt (BUE), El-Sherouk City, Cairo, 11837, Egypt.
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6
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Bo L, Wang Y, Li Y, Wurpel JND, Huang Z, Chen ZS. The Battlefield of Chemotherapy in Pediatric Cancers. Cancers (Basel) 2023; 15:cancers15071963. [PMID: 37046624 PMCID: PMC10093214 DOI: 10.3390/cancers15071963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 03/12/2023] [Accepted: 03/21/2023] [Indexed: 03/29/2023] Open
Abstract
The survival rate for pediatric cancers has remarkably improved in recent years. Conventional chemotherapy plays a crucial role in treating pediatric cancers, especially in low- and middle-income countries where access to advanced treatments may be limited. The Food and Drug Administration (FDA) approved chemotherapy drugs that can be used in children have expanded, but patients still face numerous side effects from the treatment. In addition, multidrug resistance (MDR) continues to pose a major challenge in improving the survival rates for a significant number of patients. This review focuses on the severe side effects of pediatric chemotherapy, including doxorubicin-induced cardiotoxicity (DIC) and vincristine-induced peripheral neuropathy (VIPN). We also delve into the mechanisms of MDR in chemotherapy to the improve survival and reduce the toxicity of treatment. Additionally, the review focuses on various drug transporters found in common types of pediatric tumors, which could offer different therapeutic options.
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Affiliation(s)
- Letao Bo
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John’s University, Queens, NY 11439, USA
| | - Youyou Wang
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John’s University, Queens, NY 11439, USA
| | - Yidong Li
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John’s University, Queens, NY 11439, USA
| | - John N. D. Wurpel
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John’s University, Queens, NY 11439, USA
| | - Zoufang Huang
- Ganzhou Key Laboratory of Hematology, Department of Hematology, The First Affiliated Hospital of Gannan Medical University, Ganzhou 341000, China
- Correspondence: (Z.H.); (Z.-S.C.); Tel.: +86-138-797-27439 (Z.H.); +1-718-990-1432 (Z.-S.C.); Fax: +1-718-990-1877 (Z.-S.C.)
| | - Zhe-Sheng Chen
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John’s University, Queens, NY 11439, USA
- Institute for Biotechnology, St. John’s University, Queens, NY 11439, USA
- Correspondence: (Z.H.); (Z.-S.C.); Tel.: +86-138-797-27439 (Z.H.); +1-718-990-1432 (Z.-S.C.); Fax: +1-718-990-1877 (Z.-S.C.)
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7
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Konig S, Strobel H, Grunert M, Lyszkiewicz M, Brühl O, Karpel-Massler G, Ziętara N, La Ferla-Brühl K, Siegelin MD, Debatin KM, Westhoff MA. Unblinding the watchmaker: cancer treatment and drug design in the face of evolutionary pressure. Expert Opin Drug Discov 2022; 17:1081-1094. [PMID: 35997138 DOI: 10.1080/17460441.2022.2114454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
INTRODUCTION Death due to cancer is mostly associated with therapy ineffectiveness, i.e. tumor cells no longer responding to treatment. The underlying dynamics that facilitate this mutational escape from selective pressure are well studied in several other fields and several interesting approaches exist to combat this phenomenon, for example in the context of antibiotic-resistance in bacteria. AREAS COVERED Ninety percent of all cancer-related deaths are associated with treatment failure. Here, we discuss the common treatment modalities and prior attempts to overcome acquired resistance to therapy. The underlying molecular mechanisms are discussed and the implications of emerging resistance in other systems, such as bacteria, are discussed in the context of cancer. EXPERT OPINION Reevaluating emerging therapy resistance in tumors as an evolutionary mechanism to survive in a rapidly and drastically altering fitness landscape leads to novel treatment strategies and distinct requirements for new drugs. Here, we propose a scheme of considerations that need to be applied prior to the discovery of novel therapeutic drugs.
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Affiliation(s)
- Sophia Konig
- Department of Pediatrics and Adolescent Medicine, Ulm University Hospital, Ulm, Germany
| | - Hannah Strobel
- Department of Pediatrics and Adolescent Medicine, Ulm University Hospital, Ulm, Germany
| | - Michael Grunert
- Department of Nuclear Medicine, German Armed Forces Hospital of Ulm, Ulm, Germany
| | - Marcin Lyszkiewicz
- Department of Pediatrics and Adolescent Medicine, Ulm University Hospital, Ulm, Germany
| | - Oliver Brühl
- Laboratorio Analisi Sicilia, Catania, Lentini, Italy
| | | | - Natalia Ziętara
- Cancer Immunology and Immune Modulation, Boehringer Ingelheim Pharma GmbH & Co. KG, Germany
| | | | - Markus D Siegelin
- Department of Pathology and Cell Biology, Columbia University Medical Center, Albany, NY, USA
| | - Klaus-Michael Debatin
- Department of Pediatrics and Adolescent Medicine, Ulm University Hospital, Ulm, Germany
| | - Mike-Andrew Westhoff
- Department of Pediatrics and Adolescent Medicine, Ulm University Hospital, Ulm, Germany
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8
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Duthoo E, Vral A, Baeyens A. An updated view into the cell cycle kinetics of human T lymphocytes and the impact of irradiation. Sci Rep 2022; 12:7687. [PMID: 35538107 PMCID: PMC9090834 DOI: 10.1038/s41598-022-11364-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 04/19/2022] [Indexed: 11/09/2022] Open
Abstract
Even though a detailed understanding of the proliferative characteristics of T lymphocytes is imperative in many research fields, prior studies have never reached a consensus on these characteristics, and on the corresponding cell cycle kinetics specifically. In this study, the general proliferative response of human T lymphocytes to phytohaemagglutinin (PHA) stimulation was characterized using a carboxyfluorescein succinimidyl ester-based flow cytometric assay. We were able to determine when PHA-stimulated T lymphocytes complete their first division, the proportion of cells that initiate proliferation, the subsequent division rate of the cells, and the impact of irradiation on these proliferative properties. Next, we accurately visualized the cell cycle progression of dividing T lymphocytes cultured in whole blood using an adapted 5-ethynyl-2'-deoxyuridine pulse-chase method. Furthermore, through multiple downstream analysis methods, we were able to make an estimation of the corresponding cell cycle kinetics. We also visualized the impact of X-rays on the progression of the cells through the cell cycle. Our results showed dose-dependent G2 arrest after exposure to irradiation, and a corresponding delay in G1 phase-entry of the cells. In conclusion, utilizing various flow cytometric assays, we provided valuable information on T lymphocyte proliferation characteristics starting from first division to fully dividing cells.
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Affiliation(s)
- Evi Duthoo
- Radiobiology Group, Department of Human Structure and Repair, Ghent University, Ghent, Belgium.,Cancer Research Institute Ghent (CRIG), Ghent, Belgium
| | - Anne Vral
- Radiobiology Group, Department of Human Structure and Repair, Ghent University, Ghent, Belgium.,Cancer Research Institute Ghent (CRIG), Ghent, Belgium
| | - Ans Baeyens
- Radiobiology Group, Department of Human Structure and Repair, Ghent University, Ghent, Belgium. .,Cancer Research Institute Ghent (CRIG), Ghent, Belgium.
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9
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Chen VCH, Hsu TC, Lin CF, Huang JY, Chen YL, Tzang BS, McIntyre RS. Association of Risperidone With Gastric Cancer: Triangulation Method From Cell Study, Animal Study, and Cohort Study. Front Pharmacol 2022; 13:846455. [PMID: 35444540 PMCID: PMC9013946 DOI: 10.3389/fphar.2022.846455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 03/16/2022] [Indexed: 11/13/2022] Open
Abstract
Purpose: To examine the effects of risperidone, an atypical antipsychotic agent, on gastric cancer. Methods: A triangulation method comprising bench studies, including cell and animal experiments, and a retrospective cohort study, was subsequently performed. Results: The bench study indicated that risperidone exerted more prominent tumor inhibition effects than other atypical antipsychotics on the proliferation of KATO-III cells, a human gastric cancer cell line. Significant and dose-dependent cell viability was observed in Hs27 cells (control cells) in the presence of risperidone compared with in KATO-III cells. Both in vivo and in vitro results indicated that risperidone significantly inhibited the proliferation of KATO-III cells by inducing ROS and apoptosis, and that it suppressed the growth of xenografted KATO-III tumors in nude mice. In addition, the population-based cohort study found that risperidone users had reduced risks of gastric cancer compared with non-users, with lowered adjusted hazard ratios (HRs) for two induction periods (HR = 0.75; 95% confidence interval [CI] 0.68-0.83 for the one-year induction period, and HR = 0.68; 95% CI 0.61-0.75 for the two-year induction period). Conclusion: The findings are consistent with anticancer effects associated with risperidone, but further research and evaluations are warranted.
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Affiliation(s)
- Vincent Chin-Hung Chen
- Department of Psychiatry, School of Medicine, Chang Gung University, Taoyuan, Taiwan.,Department of Psychiatry, Chang Gung Medical Foundation, Chiayi Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Tsai-Ching Hsu
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Clinical Laboratory, Chung Shan Medical University Hospital, Taichung, Taiwan.,Immunology Research Center, Chung Shan Medical University, Taichung , Taiwan
| | - Chiao-Fan Lin
- Department of Psychiatry, School of Medicine, Chang Gung University, Taoyuan, Taiwan.,Department of Child Psychiatry, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Jing-Yu Huang
- Department of Psychiatry, Chang Gung Medical Foundation, Chiayi Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Yi-Lung Chen
- Department of Healthcare Administration, Asia University, Taichung, Taiwan.,Department of Psychology, Asia University, Taichung, Taiwan
| | - Bor-Show Tzang
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Clinical Laboratory, Chung Shan Medical University Hospital, Taichung, Taiwan.,Immunology Research Center, Chung Shan Medical University, Taichung , Taiwan.,Department of Biochemistry, School of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Roger S McIntyre
- Mood Disorders Psychopharmacology Unit, University Health Network, University of Toronto, Toronto, ON, Canada.,Department of Psychiatry, University of Toronto, Toronto, ON, Canada
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10
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Reactive Oxygen Species Mediate 6c-Induced Mitochondrial and Lysosomal Dysfunction, Autophagic Cell Death, and DNA Damage in Hepatocellular Carcinoma. Int J Mol Sci 2021; 22:ijms222010987. [PMID: 34681647 PMCID: PMC8536041 DOI: 10.3390/ijms222010987] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 09/29/2021] [Accepted: 10/07/2021] [Indexed: 11/17/2022] Open
Abstract
Increasing the level of reactive oxygen species (ROS) in cancer cells has been suggested as a viable approach to cancer therapy. Our previous study has demonstrated that mitochondria-targeted flavone-naphthalimide-polyamine conjugate 6c elevates the level of ROS in cancer cells. However, the detailed role of ROS in 6c-treated cancer cells is not clearly stated. The biological effects and in-depth mechanisms of 6c in cancer cells need to be further investigated. In this study, we confirmed that mitochondria are the main source of 6c-induced ROS, as demonstrated by an increase in 2',7'-dichlorodihydrofluorescein diacetate (DCFH-DA) and MitoSox fluorescence. Compound 6c-induced mitochondrial ROS caused mitochondrial dysfunction and lysosomal destabilization confirmed by absolute quantitation (iTRAQ)-based comparative proteomics. Compound 6c-induced metabolic pathway dysfunction and lysosomal destabilization was attenuated by N-acetyl-L-cysteine (NAC). iTRAQ-based comparative proteomics showed that ROS regulated the expression of 6c-mediated proteins, and treatment with 6c promoted the formation of autophagosomes depending on ROS. Compound 6c-induced DNA damage was characterized by comet assay, p53 phosphorylation, and γH2A.X, which was diminished by pretreatment with NAC. Compound 6c-induced cell death was partially reversed by 3-methyladenine (3-MA), bafilomycin (BAF) A1, and NAC, respectively. Taken together, the data obtained in our study highlighted the involvement of mitochondrial ROS in 6c-induced autophagic cell death, mitochondrial and lysosomal dysfunction, and DNA damage.
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11
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Kattner P, Zeiler K, Herbener VJ, Ferla-Brühl KL, Kassubek R, Grunert M, Burster T, Brühl O, Weber AS, Strobel H, Karpel-Massler G, Ott S, Hagedorn A, Tews D, Schulz A, Prasad V, Siegelin MD, Nonnenmacher L, Fischer-Posovszky P, Halatsch ME, Debatin KM, Westhoff MA. What Animal Cancers teach us about Human Biology. Theranostics 2021; 11:6682-6702. [PMID: 34093847 PMCID: PMC8171098 DOI: 10.7150/thno.56623] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 03/09/2021] [Indexed: 12/30/2022] Open
Abstract
Cancers in animals present a large, underutilized reservoir of biomedical information with critical implication for human oncology and medicine in general. Discussing two distinct areas of tumour biology in non-human hosts, we highlight the importance of these findings for our current understanding of cancer, before proposing a coordinated strategy to harvest biomedical information from non-human resources and translate it into a clinical setting. First, infectious cancers that can be transmitted as allografts between individual hosts, have been identified in four distinct, unrelated groups, dogs, Tasmanian devils, Syrian hamsters and, surprisingly, marine bivalves. These malignancies might hold the key to improving our understanding of the interaction between tumour cell and immune system and, thus, allow us to devise novel treatment strategies that enhance anti-cancer immunosurveillance, as well as suggesting more effective organ and stem cell transplantation strategies. The existence of these malignancies also highlights the need for increased scrutiny when considering the existence of infectious cancers in humans. Second, it has long been understood that no linear relationship exists between the number of cells within an organism and the cancer incidence rate. To resolve what is known as Peto's Paradox, additional anticancer strategies within different species have to be postulated. These naturally occurring idiosyncrasies to avoid carcinogenesis represent novel potential therapeutic strategies.
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Affiliation(s)
- Patricia Kattner
- Department of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Ulm, Germany
| | - Katharina Zeiler
- Department of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Ulm, Germany
- Department of Neurosurgery, University Medical Center Ulm, Ulm, Germany
| | - Verena J. Herbener
- Department of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Ulm, Germany
| | | | | | - Michael Grunert
- Department of Nuclear Medicine, German Armed Forces Hospital of Ulm, Ulm, Germany
- Department of Nuclear Medicine, University Medical Center Ulm, Ulm, Germany
| | - Timo Burster
- Department of Biology, School of Sciences and Humanities, Nazarbayev University, Nur-Sultan, Kazakhstan Republic
| | - Oliver Brühl
- Laboratorio Analisi Sicilia Catania, Lentini; SR, Italy
| | - Anna Sarah Weber
- Department of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Ulm, Germany
| | - Hannah Strobel
- Department of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Ulm, Germany
| | - Georg Karpel-Massler
- Department of Neurosurgery, University Medical Center Ulm, Ulm, Germany
- Department of Pathology & Cell Biology, Columbia University Medical Center, New York, NY, USA
| | - Sibylle Ott
- Animal Research Center, University of Ulm, Ulm, Germany
| | | | - Daniel Tews
- Division of Pediatric Endocrinology and Diabetes, Department of Pediatrics and Adolescent Medicine, University Medical Center, Ulm, Germany
| | - Ansgar Schulz
- Department of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Ulm, Germany
| | - Vikas Prasad
- Department of Nuclear Medicine, University Medical Center Ulm, Ulm, Germany
| | - Markus D. Siegelin
- Department of Pathology & Cell Biology, Columbia University Medical Center, New York, NY, USA
| | - Lisa Nonnenmacher
- Department of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Ulm, Germany
| | - Pamela Fischer-Posovszky
- Division of Pediatric Endocrinology and Diabetes, Department of Pediatrics and Adolescent Medicine, University Medical Center, Ulm, Germany
| | | | - Klaus-Michael Debatin
- Department of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Ulm, Germany
| | - Mike-Andrew Westhoff
- Department of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Ulm, Germany
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12
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Bulat F, Hesse F, Hu DE, Ros S, Willminton-Holmes C, Xie B, Attili B, Soloviev D, Aigbirhio F, Leeper FJ, Brindle KM, Neves AA. 18F-C2Am: a targeted imaging agent for detecting tumor cell death in vivo using positron emission tomography. EJNMMI Res 2020; 10:151. [PMID: 33296043 PMCID: PMC7726082 DOI: 10.1186/s13550-020-00738-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 11/23/2020] [Indexed: 02/07/2023] Open
Abstract
INTRODUCTION Trialing novel cancer therapies in the clinic would benefit from imaging agents that can detect early evidence of treatment response. The timing, extent and distribution of cell death in tumors following treatment can give an indication of outcome. We describe here an 18F-labeled derivative of a phosphatidylserine-binding protein, the C2A domain of Synaptotagmin-I (C2Am), for imaging tumor cell death in vivo using PET. METHODS A one-pot, two-step automated synthesis of N-(5-[18F]fluoropentyl)maleimide (60 min synthesis time, > 98% radiochemical purity) has been developed, which was used to label the single cysteine residue in C2Am within 30 min at room temperature. Binding of 18F-C2Am to apoptotic and necrotic tumor cells was assessed in vitro, and also in vivo, by dynamic PET and biodistribution measurements in mice bearing human tumor xenografts treated with a TRAILR2 agonist or with conventional chemotherapy. C2Am detection of tumor cell death was validated by correlation of probe binding with histological markers of cell death in tumor sections obtained immediately after imaging. RESULTS 18F-C2Am showed a favorable biodistribution profile, with predominantly renal clearance and minimal retention in spleen, liver, small intestine, bone and kidney, at 2 h following probe administration. 18F-C2Am generated tumor-to-muscle (T/m) ratios of 6.1 ± 2.1 and 10.7 ± 2.4 within 2 h of probe administration in colorectal and breast tumor models, respectively, following treatment with the TRAILR2 agonist. The levels of cell death (CC3 positivity) following treatment were 12.9-58.8% and 11.3-79.7% in the breast and colorectal xenografts, respectively. Overall, a 20% increase in CC3 positivity generated a one unit increase in the post/pre-treatment tumor contrast. Significant correlations were found between tracer uptake post-treatment, at 2 h post-probe administration, and histological markers of cell death (CC3: Pearson R = 0.733, P = 0.0005; TUNEL: Pearson R = 0.532, P = 0.023). CONCLUSION The rapid clearance of 18F-C2Am from the blood pool and low kidney retention allowed the spatial distribution of cell death in a tumor to be imaged during the course of therapy, providing a rapid assessment of tumor treatment response. 18F-C2Am has the potential to be used in the clinic to assess early treatment response in tumors.
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Affiliation(s)
- Flaviu Bulat
- Cancer Research UK Cambridge Institute, Li Ka Shing Centre, University of Cambridge, Robinson Way, Cambridge, CB2 0RE, UK
- Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
| | - Friederike Hesse
- Cancer Research UK Cambridge Institute, Li Ka Shing Centre, University of Cambridge, Robinson Way, Cambridge, CB2 0RE, UK
| | - De-En Hu
- Cancer Research UK Cambridge Institute, Li Ka Shing Centre, University of Cambridge, Robinson Way, Cambridge, CB2 0RE, UK
| | - Susana Ros
- Cancer Research UK Cambridge Institute, Li Ka Shing Centre, University of Cambridge, Robinson Way, Cambridge, CB2 0RE, UK
| | | | - Bangwen Xie
- Cancer Research UK Cambridge Institute, Li Ka Shing Centre, University of Cambridge, Robinson Way, Cambridge, CB2 0RE, UK
| | - Bala Attili
- Cancer Research UK Cambridge Institute, Li Ka Shing Centre, University of Cambridge, Robinson Way, Cambridge, CB2 0RE, UK
| | - Dmitry Soloviev
- Cancer Research UK Cambridge Institute, Li Ka Shing Centre, University of Cambridge, Robinson Way, Cambridge, CB2 0RE, UK
| | - Franklin Aigbirhio
- Wolfson Brain Imaging Centre, University of Cambridge, Cambridge, CB2 0QQ, UK
| | - Finian J Leeper
- Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
| | - Kevin M Brindle
- Cancer Research UK Cambridge Institute, Li Ka Shing Centre, University of Cambridge, Robinson Way, Cambridge, CB2 0RE, UK
| | - André A Neves
- Cancer Research UK Cambridge Institute, Li Ka Shing Centre, University of Cambridge, Robinson Way, Cambridge, CB2 0RE, UK.
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13
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The limitations of targeting MEK signalling in Glioblastoma therapy. Sci Rep 2020; 10:7401. [PMID: 32366879 PMCID: PMC7198577 DOI: 10.1038/s41598-020-64289-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Accepted: 04/15/2020] [Indexed: 01/16/2023] Open
Abstract
Glioblastoma (GB) is a highly aggressive, difficult to treat brain tumour. Successful treatment, consisting of maximal safe tumour de-bulking, followed by radiotherapy and treatment with the alkylating agent Temozolomide (TMZ), can extend patient survival to approximately 15 months. Combination treatments based on the inhibition of the PI3K pathway, which is the most frequently activated signalling cascade in GB, have so far only shown limited therapeutic success. Here, we use the clinically approved MEK inhibitor Trametinib to investigate its potential use in managing GB. Trametinib has a strong anti-proliferative effect on established GB cell lines, stem cell-like cells and their differentiated progeny and while it does not enhance anti-proliferative and cell death-inducing properties of the standard treatment, i.e. exposure to radiation or TMZ, neither does MEK inhibition block their effectiveness. However, upon MEK inhibition some cell populations appear to favour cell-substrate interactions in a sprouting assay and become more invasive in the Chorioallantoic Membrane assay, which assesses cell penetration into an organic membrane. While this increased invasion can be modulated by additional inhibition of the PI3K signalling cascade, there is no apparent benefit of blocking MEK compared to targeting PI3K.
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14
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Raj R K, D E, S R. β‐Sitosterol‐assisted silver nanoparticles activates Nrf2 and triggers mitochondrial apoptosis via oxidative stress in human hepatocellular cancer cell line. J Biomed Mater Res A 2020; 108:1899-1908. [DOI: 10.1002/jbm.a.36953] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 03/18/2020] [Accepted: 03/28/2020] [Indexed: 12/24/2022]
Affiliation(s)
- Kathiswar Raj R
- Department of Pharmacology, Saveetha Dental CollegeSaveetha Institute of Medical and Technical Sciences (SIMATS) Chennai Tamil Nadu India
| | - Ezhilarasan D
- Department of Pharmacology, Saveetha Dental CollegeSaveetha Institute of Medical and Technical Sciences (SIMATS) Chennai Tamil Nadu India
| | - Rajeshkumar S
- Department of Pharmacology, Saveetha Dental CollegeSaveetha Institute of Medical and Technical Sciences (SIMATS) Chennai Tamil Nadu India
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15
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Kattner P, Strobel H, Khoshnevis N, Grunert M, Bartholomae S, Pruss M, Fitzel R, Halatsch ME, Schilberg K, Siegelin MD, Peraud A, Karpel-Massler G, Westhoff MA, Debatin KM. Compare and contrast: pediatric cancer versus adult malignancies. Cancer Metastasis Rev 2020; 38:673-682. [PMID: 31832830 DOI: 10.1007/s10555-019-09836-y] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Cancer is a leading cause of death in both adults and children, but in terms of absolute numbers, pediatric cancer is a relatively rare disease. The rarity of pediatric cancer is consistent with our current understanding of how adult malignancies form, emphasizing the view of cancer as a genetic disease caused by the accumulation and selection of unrepaired mutations over time. However, considering those children who develop cancer merely as stochastically "unlucky" does not fully explain the underlying aetiology, which is distinct from that observed in adults. Here, we discuss the differences in cancer genetics, distribution, and microenvironment between adult and pediatric cancers and argue that pediatric tumours need to be seen as a distinct subset with their own distinct therapeutic challenges. While in adults, the benefit of any treatment should outweigh mostly short-term complications, potential long-term effects have a much stronger impact in children. In addition, clinical trials must cope with low participant numbers when evaluating novel treatment strategies, which need to address the specific requirements of children.
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Affiliation(s)
- Patricia Kattner
- Department of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Eythstrasse 24, 89075, Ulm, Germany
| | - Hannah Strobel
- Department of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Eythstrasse 24, 89075, Ulm, Germany
| | - Nika Khoshnevis
- Department of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Eythstrasse 24, 89075, Ulm, Germany
| | - Michael Grunert
- Department of Radiology, German Armed Forces Hospital of Ulm, Ulm, Germany
| | - Stephan Bartholomae
- Department of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Eythstrasse 24, 89075, Ulm, Germany
| | - Maximilian Pruss
- Department of Neurosurgery, University Medical Center Ulm, Ulm, Germany
| | - Rahel Fitzel
- Department of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Eythstrasse 24, 89075, Ulm, Germany
| | | | | | - Markus D Siegelin
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, NY, USA
| | - Aurelia Peraud
- Pediatric Neurosurgery Section, Department of Neurosurgery, University Medical Center Ulm, Ulm, Germany
| | | | - Mike-Andrew Westhoff
- Department of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Eythstrasse 24, 89075, Ulm, Germany.
| | - Klaus-Michael Debatin
- Department of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Eythstrasse 24, 89075, Ulm, Germany
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16
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A new pyrrole based small molecule from Tinospora cordifolia induces apoptosis in MDA-MB-231 breast cancer cells via ROS mediated mitochondrial damage and restoration of p53 activity. Chem Biol Interact 2019; 299:120-130. [DOI: 10.1016/j.cbi.2018.12.005] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2018] [Revised: 11/26/2018] [Accepted: 12/07/2018] [Indexed: 12/17/2022]
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17
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Dou X, Chen L, Lei M, Zellmer L, Jia Q, Ling P, He Y, Yang W, Liao DJ. Evaluating the Remote Control of Programmed Cell Death, with or without a Compensatory Cell Proliferation. Int J Biol Sci 2018; 14:1800-1812. [PMID: 30443184 PMCID: PMC6231223 DOI: 10.7150/ijbs.26962] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Accepted: 08/24/2018] [Indexed: 12/23/2022] Open
Abstract
Organisms and their different component levels, whether organelle, cellular or other, come by birth and go by death, and the deaths are often balanced by new births. Evolution on the one hand has built demise program(s) in cells of organisms but on the other hand has established external controls on the program(s). For instance, evolution has established death program(s) in animal cells so that the cells can, when it is needed, commit apoptosis or senescent death (SD) in physiological situations and stress-induced cell death (SICD) in pathological situations. However, these programmed cell deaths are not predominantly regulated by the cells that do the dying but, instead, are controlled externally and remotely by the cells' superior(s), i.e. their host tissue or organ or even the animal's body. Currently, it is still unclear whether a cell has only one death program or has several programs respectively controlling SD, apoptosis and SICD. In animals, apoptosis exterminates, in a physiological manner, healthy but no-longer needed cells to avoid cell redundancy, whereas suicidal SD and SICD, like homicidal necrosis, terminate ill but useful cells, which may be followed by regeneration of the live cells and by scar formation to heal the damaged organ or tissue. Therefore, “who dies” clearly differentiates apoptosis from SD, SICD and necrosis. In animals, apoptosis can occur only in those cell types that retain a lifelong ability of proliferation and never occurs in those cell types that can no longer replicate in adulthood. In cancer cells, SICD is strengthened, apoptosis is dramatically weakened while SD has been lost. Most published studies professed to be about apoptosis are actually about SICD, which has four basic and well-articulated pathways involving caspases or involving pathological alterations in the mitochondria, endoplasmic reticula, or lysosomes.
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Affiliation(s)
- Xixi Dou
- Key Laboratory of Biopharmaceuticals, Shandong Academy of Pharmaceutical Sciences, Jinan 250101, Shandong Province, P.R. China.,Technology Center, Shandong Freda Pharmaceutical Group, Jinan 250101, Shandong Province, P.R. China
| | - Lichan Chen
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, Fujian Province, P.R. China
| | - Mingjuan Lei
- Hormel Institute, University of Minnesota, Austin, MN 55912, USA
| | - Lucas Zellmer
- Masonic Cancer Center, University of Minnesota, 435 E. River Road, Minneapolis, MN 55455, USA
| | - Qingwen Jia
- Key Laboratory of Biopharmaceuticals, Shandong Academy of Pharmaceutical Sciences, Jinan 250101, Shandong Province, P.R. China
| | - Peixue Ling
- Key Laboratory of Biopharmaceuticals, Shandong Academy of Pharmaceutical Sciences, Jinan 250101, Shandong Province, P.R. China.,Technology Center, Shandong Freda Pharmaceutical Group, Jinan 250101, Shandong Province, P.R. China
| | - Yan He
- Key Lab of Endemic and Ethnic Diseases of the Ministry of Education of China in Guizhou Medical University, Guiyang 550004, Guizhou Province, P.R. China
| | - Wenxiu Yang
- Department of Pathology, Guizhou Medical University Hospital, Guiyang 550004, Guizhou province, P.R. China
| | - Dezhong Joshua Liao
- Key Lab of Endemic and Ethnic Diseases of the Ministry of Education of China in Guizhou Medical University, Guiyang 550004, Guizhou Province, P.R. China.,Department of Pathology, Guizhou Medical University Hospital, Guiyang 550004, Guizhou province, P.R. China
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18
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Abstract
Any therapy that aims at eradicating a cancerous growth will have at its core a cell death-inducing component. Here we argue that paediatric oncology presents with its unique set of considerations and problems, which—while taking the lead from oncological research experiences obtained from the adult population—need to be clinically evaluated independently. This is particularly true when considering long-term side effects. Precision medicine offers a promising new approach in therapy, but given as a monotherapy and in a limited combination, as found in an apoptosis inducer/sensitiser combination, it will most likely lead to mutation escape of the target cell population and the emergence of resistance. However, using the increasing amount of the molecular data as the basis for a complex combination therapy combining several key components such as cell death-inducing agents, kinase inhibitors and BH3 mimetics, holds great promise.
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19
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Abstract
BACKGROUND The genetic diversity of cancer and the dynamic interactions between heterogeneous tumor cells, the stroma and immune cells present daunting challenges to the development of effective cancer therapies. Although cancer biology is more understood than ever, this has not translated into therapies that overcome drug resistance, cancer recurrence and metastasis. The future development of effective therapies will require more understanding of the dynamics of homeostatic dysregulation that drives cancer growth and progression. RESULTS Cancer dynamics are explored using a model involving genes mediating the regulatory interactions between the signaling and metabolic pathways. The exploration is informed by a proposed genetic dysregulation measure of cellular processes. The analysis of the interaction dynamics between cancer cells, cancer associated fibroblasts, and tumor associate macrophages suggests that the mutual dependence of these cells promotes cancer growth and proliferation. In particular, MTOR and AMPK are hypothesized to be concurrently activated in cancer cells by amino acids recycled from the stroma. This leads to a proliferative growth supported by an upregulated glycolysis and a tricarboxylic acid cycle driven by glutamine sourced from the stroma. In other words, while genetic aberrations ignite carcinogenesis and lead to the dysregulation of key cellular processes, it is postulated that the dysregulation of metabolism locks cancer cells in a state of mutual dependence with the tumor microenvironment and deepens the tumor's inflammation and immunosuppressive state which perpetuates as a result the growth and proliferation dynamics of cancer. CONCLUSIONS Cancer therapies should aim for a progressive disruption of the dynamics of interactions between cancer cells and the tumor microenvironment by targeting metabolic dysregulation and inflammation to partially restore tissue homeostasis and turn on the immune cancer kill switch. One potentially effective cancer therapeutic strategy is to induce the reduction of lactate and steer the tumor microenvironment to a state of reduced inflammation so as to enable an effective intervention of the immune system. The translation of this therapeutic approach into treatment regimens would however require more understanding of the adaptive complexity of cancer resulting from the interactions of cancer cells with the tumor microenvironment and the immune system.
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Affiliation(s)
- Youcef Derbal
- Ted Rogers School of Information Technology Management, Ryerson University, Toronto, Canada.
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20
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Qian HR, Shi ZQ, Zhu HP, Gu LH, Wang XF, Yang Y. Interplay between apoptosis and autophagy in colorectal cancer. Oncotarget 2017; 8:62759-62768. [PMID: 28977986 PMCID: PMC5617546 DOI: 10.18632/oncotarget.18663] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Accepted: 05/15/2017] [Indexed: 12/15/2022] Open
Abstract
Autophagy and apoptosis are two pivotal mechanisms in mediating cell survival and death. Cross-talk of autophagy and apoptosis has been documented in the tumorigenesis and progression of cancer, while the interplay between the two pathways in colorectal cancer (CRC) has not yet been comprehensively summarized. In this study, we outlined the basis of apoptosis and autophagy machinery firstly, and then reviewed the recent evidence in cellular settings or animal studies regarding the interplay between them in CRC. In addition, several key factors that modulate the cross-talk between autophagy and apoptosis as well as its significance in clinical practice were discussed. Understanding of the interplay between the cell death mechanisms may benefit the translation of CRC treatment from basic research to clinical use.
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Affiliation(s)
- Hao-Ran Qian
- Department of General Surgery, Institute of Minimally Invasive, Surgery of Zhejiang University, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310016, Zhejiang, PR China
| | - Zhao-Qi Shi
- Department of General Surgery, Institute of Minimally Invasive, Surgery of Zhejiang University, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310016, Zhejiang, PR China
| | - He-Pan Zhu
- Department of General Surgery, Institute of Minimally Invasive, Surgery of Zhejiang University, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310016, Zhejiang, PR China
| | - Li-Hu Gu
- Department of General Surgery, Institute of Minimally Invasive, Surgery of Zhejiang University, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310016, Zhejiang, PR China
| | - Xian-Fa Wang
- Department of General Surgery, Institute of Minimally Invasive, Surgery of Zhejiang University, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310016, Zhejiang, PR China
| | - Yi Yang
- Department of Pharmacology, Hangzhou Key Laboratory of Medical Neurobiology, School of Medicine, Hangzhou Normal University, Hangzhou 310036, Zhejiang, PR China
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