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Kunjiappan S, Panneerselvam T, Pavadai P, Balakrishnan V, Pandian SRK, Palanisamy P, Sankaranarayanan M, Kabilan SJ, Sundaram GA, Tseng WL, Kumar ASK. Fabrication of folic acid-conjugated pyrimidine-2(5H)-thione-encapsulated curdlan gum-PEGamine nanoparticles for folate receptor targeting breast cancer cells. Int J Biol Macromol 2024; 277:134406. [PMID: 39097067 DOI: 10.1016/j.ijbiomac.2024.134406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 07/30/2024] [Accepted: 07/31/2024] [Indexed: 08/05/2024]
Abstract
In this study 5-((2-((3-methoxy benzylidene)-amino)-phenyl)-diazenyl)-4,6-diphenyl pyrimidine-2(5H)-thione was synthesized. The pharmacological applications of pyrimidine analogues are restricted due to their poor pharmacokinetic properties. As a solution, a microbial exopolysaccharide (curdlan gum) was used to synthesize folic acid-conjugated pyrimidine-2(5H)-thione-encapsulated curdlan gum-PEGamine nanoparticles (FA-Py-CG-PEGamine NPs). The results of physicochemical properties revealed that the fabricated FA-Py-CG-PEGamine NPs were between 100 and 400 nm in size with a majorly spherical shaped, crystalline nature, and the encapsulation efficiency and loading capacity were 79.04 ± 0.79 %, and 8.12 ± 0.39 % respectively. The drug release rate was significantly higher at pH 5.4 (80.14 ± 0.79 %) compared to pH 7.2. The cytotoxic potential of FA-Py-CG-PEGamine NPs against MCF-7 cells potentially reduced the number of cells after 24 h with 42.27 μg × mL-1 as IC50 value. The higher intracellular accumulation of pyrimidine-2(5H)-thione in MCF-7 cells leads to apoptosis, observed by AO/EBr staining and flow cytometry analysis. The highest pyrimidine-2(5H)-thione internalization in MCF-7 cells may be due to folate conjugated on the surface of curdlan gum nanoparticles. Further, internalized pyrimidine-2(5H)-thione increases the intracellular ROS level, leading to apoptosis and inducing the decalin in mitochondrial membrane potential. These outcomes demonstrated that the FA-Py-CG-PEGamine NPs were specificity-targeting folate receptors on the plasma membranes of MCF-7 Cells.
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Affiliation(s)
- Selvaraj Kunjiappan
- Department of Biotechnology, Kalasalingam Academy of Research and Education, Krishnankoil 626126, Tamilnadu, India.
| | - Theivendren Panneerselvam
- Department of Pharmaceutical Chemistry, Swamy Vivekanandha College of Pharmacy, Elayampalayam, Namakkal 637205, Tamilnadu, India
| | - Parasuraman Pavadai
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, M.S. Ramaiah University of Applied Sciences, Bengaluru 560054, Karnataka, India
| | - Vanavil Balakrishnan
- Department of Biotechnology, Kalasalingam Academy of Research and Education, Krishnankoil 626126, Tamilnadu, India
| | - Sureshbabu Ram Kumar Pandian
- Department of Biotechnology, Kalasalingam Academy of Research and Education, Krishnankoil 626126, Tamilnadu, India
| | - Ponnusamy Palanisamy
- School of Mechanical Engineering, Vellore Institute of Technology, Vellore 632014, Tamilnadu, India
| | - Murugesan Sankaranarayanan
- Medicinal Chemistry Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Pilani Campus, Pilani-333031, Rajasthan, India
| | | | - Ganeshraja Ayyakannu Sundaram
- Department of Research Analytics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Poonamallee High Road, Chennai 600 077, Tamil Nadu State, India
| | - Wei-Lung Tseng
- Department of Chemistry, National Sun Yat-sen University, No. 70, Lien-hai Road, Gushan District, Kaohsiung city 80424, Taiwan; School of Pharmacy, Kaohsiung Medical University, No. 100, Shiquan 1st Road, Sanmin District, Kaohsiung city 80708, Taiwan
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Jakubek P, Parchem K, Wieckowski MR, Bartoszek A. The Interplay between Endogenous and Foodborne Pro-Oxidants and Antioxidants in Shaping Redox Homeostasis. Int J Mol Sci 2024; 25:7827. [PMID: 39063068 PMCID: PMC11276820 DOI: 10.3390/ijms25147827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2024] [Revised: 07/11/2024] [Accepted: 07/16/2024] [Indexed: 07/28/2024] Open
Abstract
Oxidative stress has been known about in biological sciences for several decades; however, the understanding of this concept has evolved greatly since its foundation. Over the past years, reactive oxygen species, once viewed as solely deleterious, have become recognized as intrinsic components of life. In contrast, antioxidants, initially believed to be cure-all remedies, have failed to prove their efficacy in clinical trials. Fortunately, research on the health-promoting properties of antioxidants has been ongoing. Subsequent years showed that the former assumption that all antioxidants acted similarly was greatly oversimplified. Redox-active compounds differ in their chemical structures, electrochemical properties, mechanisms of action, and bioavailability; therefore, their efficacy in protecting against oxidative stress also varies. In this review, we discuss the changing perception of oxidative stress and its sources, emphasizing everyday-life exposures, particularly those of dietary origin. Finally, we posit that a better understanding of the physicochemical properties and biological outcomes of antioxidants is crucial to fully utilize their beneficial impact on health.
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Affiliation(s)
- Patrycja Jakubek
- Department of Food Chemistry, Technology and Biotechnology, Faculty of Chemistry, Gdańsk University of Technology, 80-233 Gdańsk, Poland;
- Laboratory of Mitochondrial Biology and Metabolism, Nencki Institute of Experimental Biology, Polish Academy of Sciences, 02-093 Warsaw, Poland;
| | - Karol Parchem
- Department of Food Chemistry, Technology and Biotechnology, Faculty of Chemistry, Gdańsk University of Technology, 80-233 Gdańsk, Poland;
| | - Mariusz R. Wieckowski
- Laboratory of Mitochondrial Biology and Metabolism, Nencki Institute of Experimental Biology, Polish Academy of Sciences, 02-093 Warsaw, Poland;
| | - Agnieszka Bartoszek
- Department of Food Chemistry, Technology and Biotechnology, Faculty of Chemistry, Gdańsk University of Technology, 80-233 Gdańsk, Poland;
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Wu J, Wei X, Li Z, Chen H, Gao R, Ning P, Li Y, Cheng Y. Arresting the G2/M phase empowers synergy in magnetic nanomanipulator-based cancer mechanotherapy and chemotherapy. J Control Release 2024; 366:535-547. [PMID: 38185334 DOI: 10.1016/j.jconrel.2024.01.006] [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: 07/23/2023] [Revised: 11/27/2023] [Accepted: 01/03/2024] [Indexed: 01/09/2024]
Abstract
Using mechanical cues for cancer cells can realize precise control and efficient therapeutic effects. However, the cell cycle-specific response for dynamic mechanical manipulation is barely investigated. Here, RGD-modified iron oxide nanomanipulators were utilized as the intracellular magneto-mechanical transducers to investigate the mechanical impacts on the cell cycle under a dynamic magnetic field for cancer treatment. The G2/M phase was identified to be sensitive to the intracellular magneto-mechanical modulation with a synergistic treatment effect between the pretreatment of cell cycle-specific drugs and the magneto-mechanical destruction, and thus could be an important mechanical-targeted phase for regulation of cancer cell death. Finally, combining the cell cycle-specific drugs with magneto-mechanical manipulation could significantly inhibit glioma and breast cancer growth in vivo. This intracellular mechanical stimulus showed cell cycle-dependent cytotoxicity and could be developed as a spatiotemporal therapeutic modality in combination with chemotherapy drugs for treating deep-seated tumors.
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Affiliation(s)
- Jiaojiao Wu
- Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Clinical Research Center for Anesthesiology and Perioperative Medicine, Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China
| | - Xueyan Wei
- Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Clinical Research Center for Anesthesiology and Perioperative Medicine, Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China
| | - Zhenguang Li
- Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Clinical Research Center for Anesthesiology and Perioperative Medicine, Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China
| | - Haotian Chen
- Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Clinical Research Center for Anesthesiology and Perioperative Medicine, Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China
| | - Rui Gao
- Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Clinical Research Center for Anesthesiology and Perioperative Medicine, Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China
| | - Peng Ning
- Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Clinical Research Center for Anesthesiology and Perioperative Medicine, Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China
| | - Yingze Li
- Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Clinical Research Center for Anesthesiology and Perioperative Medicine, Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China
| | - Yu Cheng
- Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Clinical Research Center for Anesthesiology and Perioperative Medicine, Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China.
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Elkrief D, Matusovsky O, Cheng YS, Rassier DE. From amino-acid to disease: the effects of oxidation on actin-myosin interactions in muscle. J Muscle Res Cell Motil 2023; 44:225-254. [PMID: 37805961 DOI: 10.1007/s10974-023-09658-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 08/15/2023] [Indexed: 10/10/2023]
Abstract
Actin-myosin interactions form the basis of the force-producing contraction cycle within the sarcomere, serving as the primary mechanism for muscle contraction. Post-translational modifications, such as oxidation, have a considerable impact on the mechanics of these interactions. Considering their widespread occurrence, the explicit contributions of these modifications to muscle function remain an active field of research. In this review, we aim to provide a comprehensive overview of the basic mechanics of the actin-myosin complex and elucidate the extent to which oxidation influences the contractile cycle and various mechanical characteristics of this complex at the single-molecule, myofibrillar and whole-muscle levels. We place particular focus on amino acids shown to be vulnerable to oxidation in actin, myosin, and some of their binding partners. Additionally, we highlight the differences between in vitro environments, where oxidation is controlled and limited to actin and myosin and myofibrillar or whole muscle environments, to foster a better understanding of oxidative modification in muscle. Thus, this review seeks to encompass a broad range of studies, aiming to lay out the multi layered effects of oxidation in in vitro and in vivo environments, with brief mention of clinical muscular disorders associated with oxidative stress.
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Affiliation(s)
- Daren Elkrief
- Department of Physiology, McGill University, Montreal, QC, Canada
| | - Oleg Matusovsky
- Department of Kinesiology and Physical Education, McGill University, Montreal, QC, Canada
| | - Yu-Shu Cheng
- Department of Kinesiology and Physical Education, McGill University, Montreal, QC, Canada
| | - Dilson E Rassier
- Department of Physiology, McGill University, Montreal, QC, Canada.
- Department of Kinesiology and Physical Education, McGill University, Montreal, QC, Canada.
- Simon Fraser University, Burnaby, BC, Canada.
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Sarkar P, Misra S, Ghosal A, Mukherjee S, Ghosh A, Sundaram G. Glucose to lactate shift reprograms CDK-dependent mitotic decisions and its communication with MAPK Sty1 in Schizosaccharomyces pombe. Biol Open 2023; 12:bio060145. [PMID: 37787465 PMCID: PMC10618596 DOI: 10.1242/bio.060145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 09/25/2023] [Indexed: 10/04/2023] Open
Abstract
Cell cycle regulation in response to biochemical cues is a fundamental event associated with many diseases. The regulation of such responses in complex metabolic environments is poorly understood. This study reveals unknown aspects of the metabolic regulation of cell division in Schizosaccharomyces pombe. We show that changing the carbon source from glucose to lactic acid alters the functions of the cyclin-dependent kinase (CDK) Cdc2 and mitogen-activated protein kinase (MAPK) Sty1, leading to unanticipated outcomes in the behavior and fate of such cells. Functional communication of Cdc2 with Sty1 is known to be an integral part of the cellular response to aberrant Cdc2 activity in S. pombe. Our results show that cross-talk between Cdc2 and Sty1, and the consequent Sty1-dependent regulation of Cdc2 activity, appears to be compromised and the relationship between Cdc2 activity and mitotic timing is also reversed in the presence of lactate. We also show that the biochemical status of cells under these conditions is an important determinant of the altered molecular functions mentioned above as well as the altered behavior of these cells.
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Affiliation(s)
- Priyanka Sarkar
- Department of Biochemistry, University of Calcutta, Kolkata 700019, India
| | - Susmita Misra
- Department of Biochemistry, University of Calcutta, Kolkata 700019, India
| | - Agamani Ghosal
- Department of Biochemistry, University of Calcutta, Kolkata 700019, India
| | | | - Alok Ghosh
- Department of Biochemistry, University of Calcutta, Kolkata 700019, India
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Randhawa K, Jahani-Asl A. CLIC1 regulation of cancer stem cells in glioblastoma. CURRENT TOPICS IN MEMBRANES 2023; 92:99-123. [PMID: 38007271 DOI: 10.1016/bs.ctm.2023.09.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2023]
Abstract
Chloride intracellular channel 1 (CLIC1) has emerged as a therapeutic target in various cancers. CLIC1 promotes cell cycle progression and cancer stem cell (CSC) self-renewal. Furthermore, CLIC1 is shown to play diverse roles in proliferation, cell volume regulation, tumour invasion, migration, and angiogenesis. In glioblastoma (GB), CLIC1 facilitates the G1/S phase transition and tightly regulates glioma stem-like cells (GSCs), a rare population of self-renewing CSCs with central roles in tumour resistance to therapy and tumour recurrence. CLIC1 is found as either a monomeric soluble protein or as a non-covalent dimeric protein that can form an ion channel. The ratio of dimeric to monomeric protein is altered in GSCs and depends on the cell redox state. Elucidating the mechanisms underlying the alterations in CLIC1 expression and structural transitions will further our understanding of its role in GSC biology. This review will highlight the role of CLIC1 in GSCs and its significance in facilitating different hallmarks of cancer.
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Affiliation(s)
- Kamaldeep Randhawa
- Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada; Brain and Mind Research Institute, University of Ottawa, Ottawa, ON, Canada
| | - Arezu Jahani-Asl
- Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada; Brain and Mind Research Institute, University of Ottawa, Ottawa, ON, Canada; Regenerative Medicine Program and Cancer Therapeutics Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada.
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7
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Mohammed AI, Sangha S, Nguyen H, Shin DH, Pan M, Park H, McCullough MJ, Celentano A, Cirillo N. Assessment of Oxidative Stress-Induced Oral Epithelial Toxicity. Biomolecules 2023; 13:1239. [PMID: 37627304 PMCID: PMC10452318 DOI: 10.3390/biom13081239] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 08/02/2023] [Accepted: 08/09/2023] [Indexed: 08/27/2023] Open
Abstract
Reactive oxygen species (ROS) are highly reactive molecules generated in living organisms and an excessive production of ROS culminates in oxidative stress and cellular damage. Notably, oxidative stress plays a critical role in the pathogenesis of a number of oral mucosal diseases, including oral mucositis, which remains one of cancer treatments' most common side effects. We have shown previously that oral keratinocytes are remarkably sensitive to oxidative stress, and this may hinder the development and reproducibility of epithelial cell-based models of oral disease. Here, we examined the oxidative stress signatures that parallel oral toxicity by reproducing the initial events taking place during cancer treatment-induced oral mucositis. We used three oral epithelial cell lines (an immortalized normal human oral keratinocyte cell line, OKF6, and malignant oral keratinocytes, H357 and H400), as well as a mouse model of mucositis. The cells were subjected to increasing oxidative stress by incubation with hydrogen peroxide (H2O2) at concentrations of 100 μM up to 1200 μM, for up to 24 h, and ROS production and real-time kinetics of oxidative stress were investigated using fluorescent dye-based probes. Cell viability was assessed using a trypan blue exclusion assay, a fluorescence-based live-dead assay, and a fluorometric cytotoxicity assay (FCA), while morphological changes were analyzed by means of a phase-contrast inverted microscope. Static and dynamic real-time detection of the redox changes in keratinocytes showed a time-dependent increase of ROS production during oxidative stress-induced epithelial injury. The survival rates of oral epithelial cells were significantly affected after exposure to oxidative stress in a dose- and cell line-dependent manner. Values of TC50 of 800 μM, 800 μM, and 400 μM were reported for H400 cells (54.21 ± 9.04, p < 0.01), H357 cells (53.48 ± 4.01, p < 0.01), and OKF6 cells (48.64 ± 3.09, p < 0.01), respectively. Oxidative stress markers (MPO and MDA) were also significantly increased in oral tissues in our dual mouse model of chemotherapy-induced mucositis. In summary, we characterized and validated an oxidative stress model in human oral keratinocytes and identified optimal experimental conditions for the study of oxidative stress-induced oral epithelial toxicity.
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Affiliation(s)
- Ali I. Mohammed
- Melbourne Dental School, The University of Melbourne, Carlton, VIC 3053, Australia; (A.I.M.); (H.N.); (M.J.M.); (A.C.)
- College of Dentistry, The University of Tikrit, Tikrit 34001, Iraq
| | - Simran Sangha
- Melbourne Dental School, The University of Melbourne, Carlton, VIC 3053, Australia; (A.I.M.); (H.N.); (M.J.M.); (A.C.)
| | - Huynh Nguyen
- Melbourne Dental School, The University of Melbourne, Carlton, VIC 3053, Australia; (A.I.M.); (H.N.); (M.J.M.); (A.C.)
| | - Dong Ha Shin
- Melbourne Dental School, The University of Melbourne, Carlton, VIC 3053, Australia; (A.I.M.); (H.N.); (M.J.M.); (A.C.)
| | - Michelle Pan
- Melbourne Dental School, The University of Melbourne, Carlton, VIC 3053, Australia; (A.I.M.); (H.N.); (M.J.M.); (A.C.)
| | - Hayoung Park
- Melbourne Dental School, The University of Melbourne, Carlton, VIC 3053, Australia; (A.I.M.); (H.N.); (M.J.M.); (A.C.)
| | - Michael J. McCullough
- Melbourne Dental School, The University of Melbourne, Carlton, VIC 3053, Australia; (A.I.M.); (H.N.); (M.J.M.); (A.C.)
| | - Antonio Celentano
- Melbourne Dental School, The University of Melbourne, Carlton, VIC 3053, Australia; (A.I.M.); (H.N.); (M.J.M.); (A.C.)
| | - Nicola Cirillo
- Melbourne Dental School, The University of Melbourne, Carlton, VIC 3053, Australia; (A.I.M.); (H.N.); (M.J.M.); (A.C.)
- College of Dentistry, University of Jordan, Amman 11942, Jordan
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Yin P, Saito T, Fjelldal PG, Björnsson BT, Remø SC, Hansen TJ, Sharma S, Olsen RE, Hamre K. Seasonal Changes in Photoperiod: Effects on Growth and Redox Signaling Patterns in Atlantic Salmon Postsmolts. Antioxidants (Basel) 2023; 12:1546. [PMID: 37627541 PMCID: PMC10451801 DOI: 10.3390/antiox12081546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 07/12/2023] [Accepted: 07/26/2023] [Indexed: 08/27/2023] Open
Abstract
Farmed Atlantic salmon reared under natural seasonal changes in sea-cages had an elevated consumption of antioxidants during spring. It is, however, unclear if this response was caused by the increase in day length, temperature, or both. The present study examined redox processes in Atlantic salmon that were reared in indoor tanks at constant temperature (9 °C) under a simulated natural photoperiod. The experiment lasted for 6 months, from vernal to autumnal equinoxes, with the associated increase and subsequent decrease in day length. We found that intracellular antioxidants were depleted, and there was an increase in malondialdehyde (MDA) levels in the liver and muscle of Atlantic salmon with increasing day length. Antioxidant enzyme activity in liver and muscle and their related gene profiles was also affected, with a distinct upregulation of genes involved in maintaining redox homeostasis, such as peroxiredoxins in the brain in April. This study also revealed a nuclear factor-erythroid 2-related factor 2 (Nrf2)-mediated oxidative stress response in muscle and liver, suggesting that fish integrate environmental signals through redox signaling pathways. Furthermore, growth and expression profiles implicated in growth hormone (GH) signaling and cell cycle regulation coincided with stress patterns. The results demonstrate that a change in photoperiod without the concomitant increase in temperature is sufficient to stimulate growth and change the tissue oxidative state in Atlantic salmon during spring and early summer. These findings provide new insights into redox regulation mechanisms underlying the response to the changing photoperiod, and highlight a link between oxidative status and physiological function.
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Affiliation(s)
- Peng Yin
- Institute of Marine Research, 5817 Bergen, Norway; (P.Y.); (T.S.); (S.C.R.)
- Department of Biological Sciences, University of Bergen, 5020 Bergen, Norway
| | - Takaya Saito
- Institute of Marine Research, 5817 Bergen, Norway; (P.Y.); (T.S.); (S.C.R.)
| | - Per Gunnar Fjelldal
- Institute of Marine Research, Matre, 5984 Matredal, Norway; (P.G.F.); (T.J.H.)
| | - Björn Thrandur Björnsson
- Department of Biological and Environmental Sciences, University of Gothenburg, 41390 Gothenburg, Sweden;
| | | | - Tom Johnny Hansen
- Institute of Marine Research, Matre, 5984 Matredal, Norway; (P.G.F.); (T.J.H.)
| | | | - Rolf Erik Olsen
- Department of Biology, Faculty of Science and Technology, Norwegian University of Science and Technology, 7491 Trondheim, Norway;
| | - Kristin Hamre
- Institute of Marine Research, 5817 Bergen, Norway; (P.Y.); (T.S.); (S.C.R.)
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Cheng A, Xu T, You W, Wang T, Zhang D, Guo H, Zhang H, Pan X, Wang Y, Liu L, Zhang K, Shi J, Yao X, Guo J, Yang Z. A mitotic NADPH upsurge promotes chromosome segregation and tumour progression in aneuploid cancer cells. Nat Metab 2023; 5:1141-1158. [PMID: 37349486 DOI: 10.1038/s42255-023-00832-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 05/26/2023] [Indexed: 06/24/2023]
Abstract
Redox metabolites have been observed to fluctuate through the cell cycle in cancer cells, but the functional impacts of such metabolic oscillations remain unknown. Here, we uncover a mitosis-specific nicotinamide adenine dinucleotide phosphate (NADPH) upsurge that is essential for tumour progression. Specifically, NADPH is produced by glucose 6-phosphate dehydrogenase (G6PD) upon mitotic entry, which neutralizes elevated reactive oxygen species (ROS) and prevents ROS-mediated inactivation of mitotic kinases and chromosome missegregation. Mitotic activation of G6PD depends on the phosphorylation of its co-chaperone protein BAG3 at threonine 285, which results in dissociation of inhibitory BAG3. Blocking BAG3T285 phosphorylation induces tumour suppression. A mitotic NADPH upsurge is present in aneuploid cancer cells with high levels of ROS, while nearly unobservable in near-diploid cancer cells. High BAG3T285 phosphorylation is associated with worse prognosis in a cohort of patients with microsatellite-stable colorectal cancer. Our study reveals that aneuploid cancer cells with high levels of ROS depend on a G6PD-mediated NADPH upsurge in mitosis to protect them from ROS-induced chromosome missegregation.
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Affiliation(s)
- Aoxing Cheng
- MOE Key Laboratory for Membraneless Organelles and Cellular Dynamics, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
- Department of Digestive Disease, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
- The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Tian Xu
- MOE Key Laboratory for Membraneless Organelles and Cellular Dynamics, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Weiyi You
- MOE Key Laboratory for Membraneless Organelles and Cellular Dynamics, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Ting Wang
- MOE Key Laboratory for Membraneless Organelles and Cellular Dynamics, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Dongming Zhang
- The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Huimin Guo
- Center for Biological Technology, Anhui Agricultural University, Hefei, China
| | - Haiyan Zhang
- Core Facility Centre for Life Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Xin Pan
- National Center of Biomedical Analysis of China, Beijing, China
| | - Yucai Wang
- The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
- Center for Advanced Interdisciplinary Science and Biomedicine of IHM, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Liu Liu
- Department of General Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Kaiguang Zhang
- Department of Digestive Disease, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Jue Shi
- Center for Quantitative Systems Biology, Department of Physics and Department of Biology, Hong Kong Baptist University, Hong Kong, China
| | - Xuebiao Yao
- MOE Key Laboratory for Membraneless Organelles and Cellular Dynamics, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Jing Guo
- Department of Digestive Disease, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China.
| | - Zhenye Yang
- MOE Key Laboratory for Membraneless Organelles and Cellular Dynamics, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China.
- Department of Digestive Disease, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China.
- The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China.
- Center for Advanced Interdisciplinary Science and Biomedicine of IHM, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China.
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10
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Vo TTT, Wee Y, Cheng HC, Wu CZ, Chen YL, Tuan VP, Liu JF, Lin WN, Lee IT. Surfactin induces autophagy, apoptosis, and cell cycle arrest in human oral squamous cell carcinoma. Oral Dis 2023; 29:528-541. [PMID: 34181793 DOI: 10.1111/odi.13950] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Revised: 06/06/2021] [Accepted: 06/22/2021] [Indexed: 02/05/2023]
Abstract
OBJECTIVES To investigate the anticancer effects and underlying mechanisms of surfactin on human oral squamous cell carcinoma (OSCC). MATERIALS AND METHODS The capacity of surfactin to induce apoptosis, autophagy, and cell cycle arrest of two different human OSCC cell lines was investigated by cell viability, acridine orange staining, and cell cycle regulatory protein expression, respectively. The signaling network underlying these processes were determined by the analysis of reactive oxygen species (ROS) generation, nicotinamide adenine dinucleotide phosphate (NADPH) oxidase activity, endoplasmic reticulum (ER) stress-related protein levels, calcium release, mitogen-activated protein kinases activation, and cell cycle regulatory protein expression through corresponding reagents and experiments under various experimental conditions using specific pharmaceutical inhibitors or small interfering RNAs. RESULTS Surfactin was able to induce apoptosis through NADPH oxidase/ROS/ER stress/calcium-downregulated extracellular signal-regulated kinases 1/2 pathway. Surfactin could also lead to autophagy that shared the common regulatory signals with apoptosis pathway until calcium node. Cell cycle arrest at G2 /M phase caused by surfactin was demonstrated through p53 and p21 accumulation combined p34cdc2 , phosphorylated p34cdc2 , and cyclin B1 inhibition, which was regulated by NADPH oxidase-derived ROS. CONCLUSION Surfactin could induce apoptosis, autophagy, and cell cycle arrest in ROS-dependent manner, suggesting a multifaced anticancer agent for OSCC.
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Affiliation(s)
- Thi Thuy Tien Vo
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan
| | - Yinshen Wee
- Department of Pathology, University of Utah, Salt Lake City, UT, USA
| | - Hsin-Chung Cheng
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan.,Department of Dentistry, Taipei Medical University Hospital, Taipei, Taiwan
| | - Ching-Zong Wu
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan.,Department of Dentistry, Taipei Medical University Hospital, Taipei, Taiwan.,Department of Dentistry, Lotung Poh-Ai Hospital, Yilan, Taiwan
| | - Yuh-Lien Chen
- Department of Anatomy and Cell Biology, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Vo Phuoc Tuan
- Endoscopy Department, Cho Ray Hospital, Ho Chi Minh City, Vietnam
| | - Ju-Fang Liu
- School of Oral Hygiene, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan
| | - Wei-Ning Lin
- Graduate Institute of Biomedical and Pharmaceutical Science, Fu Jen Catholic University, New Taipei City, Taiwan
| | - I-Ta Lee
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan
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11
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Du Y, Zhu YJ, Zhou YX, Ding J, Liu JY. Metformin in therapeutic applications in human diseases: its mechanism of action and clinical study. MOLECULAR BIOMEDICINE 2022; 3:41. [PMID: 36484892 PMCID: PMC9733765 DOI: 10.1186/s43556-022-00108-w] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 11/18/2022] [Indexed: 12/13/2022] Open
Abstract
Metformin, a biguanide drug, is the most commonly used first-line medication for type 2 diabetes mellites due to its outstanding glucose-lowering ability. After oral administration of 1 g, metformin peaked plasma concentration of approximately 20-30 μM in 3 h, and then it mainly accumulated in the gastrointestinal tract, liver and kidney. Substantial studies have indicated that metformin exerts its beneficial or deleterious effect by multiple mechanisms, apart from AMPK-dependent mechanism, also including several AMPK-independent mechanisms, such as restoring of redox balance, affecting mitochondrial function, modulating gut microbiome and regulating several other signals, such as FBP1, PP2A, FGF21, SIRT1 and mTOR. On the basis of these multiple mechanisms, researchers tried to repurpose this old drug and further explored the possible indications and adverse effects of metformin. Through investigating with clinical studies, researchers concluded that in addition to decreasing cardiovascular events and anti-obesity, metformin is also beneficial for neurodegenerative disease, polycystic ovary syndrome, aging, cancer and COVID-19, however, it also induces some adverse effects, such as gastrointestinal complaints, lactic acidosis, vitamin B12 deficiency, neurodegenerative disease and offspring impairment. Of note, the dose of metformin used in most studies is much higher than its clinically relevant dose, which may cast doubt on the actual effects of metformin on these disease in the clinic. This review summarizes these research developments on the mechanism of action and clinical evidence of metformin and discusses its therapeutic potential and clinical safety.
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Affiliation(s)
- Yang Du
- grid.13291.380000 0001 0807 1581Department of Biotherapy, Cancer Center, State Key Laboratory of Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, China
| | - Ya-Juan Zhu
- grid.13291.380000 0001 0807 1581Department of Biotherapy, Cancer Center, State Key Laboratory of Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, China
| | - Yi-Xin Zhou
- grid.13291.380000 0001 0807 1581Department of Biotherapy, Cancer Center, State Key Laboratory of Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, China
| | - Jing Ding
- grid.54549.390000 0004 0369 4060Department of Medical Oncology, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan China
| | - Ji-Yan Liu
- grid.13291.380000 0001 0807 1581Department of Biotherapy, Cancer Center, State Key Laboratory of Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu, China
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12
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Regulation of reactive oxygen species on production, release, and early germination of archeospores in Pyropia yezoensis. ALGAL RES 2022. [DOI: 10.1016/j.algal.2022.102909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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13
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Francois L, Boskovic P, Knerr J, He W, Sigismondo G, Schwan C, More TH, Schlotter M, Conway ME, Krijgsveld J, Hiller K, Grosse R, Lichter P, Radlwimmer B. BCAT1 redox function maintains mitotic fidelity. Cell Rep 2022; 41:111524. [PMID: 36260995 DOI: 10.1016/j.celrep.2022.111524] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 08/15/2022] [Accepted: 09/26/2022] [Indexed: 11/16/2022] Open
Abstract
The metabolic enzyme branched-chain amino acid transaminase 1 (BCAT1) drives cell proliferation in aggressive cancers such as glioblastoma. Here, we show that BCAT1 localizes to mitotic structures and has a non-metabolic function as a mitotic regulator. Furthermore, BCAT1 is required for chromosome segregation in cancer and induced pluripotent stem cells and tumor growth in human cerebral organoid and mouse syngraft models. Applying gene knockout and rescue strategies, we show that the BCAT1 CXXC redox motif is crucial for controlling cysteine sulfenylation specifically in mitotic cells, promoting Aurora kinase B localization to centromeres, and securing accurate chromosome segregation. These findings offer an explanation for the well-established role of BCAT1 in promoting cancer cell proliferation. In summary, our data establish BCAT1 as a component of the mitotic apparatus that safeguards mitotic fidelity through a moonlighting redox functionality.
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Affiliation(s)
- Liliana Francois
- Division of Molecular Genetics, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
| | - Pavle Boskovic
- Division of Molecular Genetics, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany; Faculty of Biosciences, Heidelberg University, 69120 Heidelberg, Germany
| | - Julian Knerr
- Institute of Pharmacology, University of Freiburg, 79102 Freiburg, Germany
| | - Wei He
- Integrated Center of Systems Biology (BRICS), Technische Universität Braunschweig, and Computational Biology of Infection Research, Helmholtz Centre for Infection Research, Braunschweig, 38092 Braunschweig, Germany
| | - Gianluca Sigismondo
- Division of Proteomics of Stem Cells and Cancer, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
| | - Carsten Schwan
- Institute of Pharmacology, University of Freiburg, 79102 Freiburg, Germany
| | - Tushar H More
- Integrated Center of Systems Biology (BRICS), Technische Universität Braunschweig, and Computational Biology of Infection Research, Helmholtz Centre for Infection Research, Braunschweig, 38092 Braunschweig, Germany
| | - Magdalena Schlotter
- Division of Molecular Genetics, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
| | - Myra E Conway
- College of Science and Engineering, University of Derby, Derby DE22 1GB, UK
| | - Jeroen Krijgsveld
- Division of Proteomics of Stem Cells and Cancer, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
| | - Karsten Hiller
- Integrated Center of Systems Biology (BRICS), Technische Universität Braunschweig, and Computational Biology of Infection Research, Helmholtz Centre for Infection Research, Braunschweig, 38092 Braunschweig, Germany
| | - Robert Grosse
- Institute of Pharmacology, University of Freiburg, 79102 Freiburg, Germany
| | - Peter Lichter
- Division of Molecular Genetics, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
| | - Bernhard Radlwimmer
- Division of Molecular Genetics, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany.
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14
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Pilus NSM, Muhamad A, Shahidan MA, Yusof NYM. Potential of Epidermal Growth Factor-like Peptide from the Sea Cucumber Stichopus horrens to Increase the Growth of Human Cells: In Silico Molecular Docking Approach. Mar Drugs 2022; 20:md20100596. [PMID: 36286420 PMCID: PMC9605497 DOI: 10.3390/md20100596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 09/19/2022] [Accepted: 09/19/2022] [Indexed: 11/16/2022] Open
Abstract
The sea cucumber is prominent as a traditional remedy among Asians for wound healing due to its high capacity for regeneration after expulsion of its internal organs. A short peptide consisting of 45 amino acids from transcriptome data of Stichopus horrens (Sh-EGFl-1) shows a convincing capability to promote the growth of human melanoma cells. Molecular docking of Sh-EGFl-1 peptide with human epidermal growth factor receptor (hEGFR) exhibited a favorable intermolecular interaction, where most of the Sh-EGFl-1 residues interacted with calcium binding-like domains. A superimposed image of the docked structure against a human EGF–EGFR crystal model also gave an acceptable root mean square deviation (RMSD) value of less than 1.5 Å. Human cell growth was significantly improved by Sh-EGFl-1 peptide at a lower concentration in a cell proliferation assay. Gene expression profiling of the cells indicated that Sh-EGFl-1 has activates hEGFR through five epidermal growth factor signaling pathways; phosphoinositide 3-kinase (PI3K), mitogen-activated protein kinase (MAPK), phospholipase C gamma (PLC-gamma), Janus kinase-signal transducer and activator of transcription (JAK-STAT) and Ras homologous (Rho) pathways. All these pathways triggered cells’ proliferation, differentiation, survival and re-organization of the actin cytoskeleton. Overall, this marine-derived, bioactive peptide has the capability to promote proliferation and could be further explored as a cell-growth-promoting agent for biomedical and bioprocessing applications.
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Affiliation(s)
- Nur Shazwani Mohd Pilus
- Department of Biological Sciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Selangor, Malaysia
- Correspondence: (N.S.M.P.); (N.Y.M.Y.)
| | - Azira Muhamad
- Department of Structural Biology and Functional Omics, Malaysia Genome and Vaccine Institute (MGVI), National Institutes of Biotechnology Malaysia (NIBM), Kajang 43000, Selangor, Malaysia
| | - Muhammad Ashraf Shahidan
- Department of Biological Sciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Selangor, Malaysia
| | - Nurul Yuziana Mohd Yusof
- Department of Earth Sciences and Environment, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Selangor, Malaysia
- Correspondence: (N.S.M.P.); (N.Y.M.Y.)
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15
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Xu K, Wang C, Keinänen K, Li H, Cai C. Mitotic spindle disassembly in human cells relies on CRIPT having hierarchical redox signals. J Cell Sci 2022; 135:276793. [PMID: 36148798 DOI: 10.1242/jcs.259657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 08/01/2022] [Indexed: 11/20/2022] Open
Abstract
Swift and complete spindle disassembly in late mitosis is essential for cell survival, yet how it happens is largely unknown in mammalian cells. Here we used real-time live cell microscopy and biochemical assays to show that the primordial dwarfism (PD)-related cysteine-rich protein CRIPT dictates the spindle disassembly in a redox-dependent manner in human cells. This previously reported cytoplasmic protein was found to have a confined nuclear localization with a nucleolar concentration during interphase but was distributed to spindles and underwent redox modifications to form disulfide bonds in CXXC pairs during mitosis. Then, it directly interacted with, and might transfer a redox response to, tubulin subunits via a putative redox exchange among cysteine residues to induce microtubule depolymerization. Expression of CRIPT proteins with mutations of these cysteine residues blocked spindle disassembly, generating two cell types with long-lasting metaphase spindles or spindle remnants. Live-cell recordings of a disease-relevant mutant (CRIPTC3Y) revealed that microtubule depolymerization at spindle ends during anaphase and the entire spindle dissolution during telophase might share a common CRIPT-bearing redox-controlled mechanism.
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Affiliation(s)
- Kehan Xu
- School of Basic Medical Sciences, Anhui Medical University, Hefei, Anhui 230032, China
| | - Chunxue Wang
- School of Basic Medical Sciences, Anhui Medical University, Hefei, Anhui 230032, China
| | - Kari Keinänen
- Research Program in Molecular and Integrative Biosciences, Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki 00014, Finland
| | - Hong Li
- School of Basic Medical Sciences, Anhui Medical University, Hefei, Anhui 230032, China.,Department of Neuroscience, Yale University School of Medicine, New Haven, CT 06510, USA
| | - Chunlin Cai
- School of Basic Medical Sciences, Anhui Medical University, Hefei, Anhui 230032, China.,Anhui Duoneng Biotechnology Co., Ltd., Hefei, Anhui 230088, China
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16
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Digitoxin Affects Metabolism, ROS Production and Proliferation in Pancreatic Cancer Cells Differently Depending on the Cell Phenotype. Int J Mol Sci 2022; 23:ijms23158237. [PMID: 35897809 PMCID: PMC9331846 DOI: 10.3390/ijms23158237] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 07/19/2022] [Accepted: 07/23/2022] [Indexed: 02/07/2023] Open
Abstract
Digitoxin has repeatedly shown to have negative effects on cancer cell viability; however, the actual mechanism is still unknown. In this study, we investigated the effects of digitoxin (1–100 nM) in four pancreatic cancer cell lines, BxPC-3, CFPAC-1, Panc-1, and AsPC-1. The cell lines differ in their KRAS/BRAF mutational status and primary tumor or metastasis origin. We could detect differences in the basal rates of cell proliferation, glycolysis, and ROS production, giving the cell lines different phenotypes. Digitoxin treatment induced apoptosis in all four cell lines, but to different degrees. Cells derived from primary tumors (Panc-1 and BxPC-3) were highly proliferating with a high proportion of cells in the S/G2 phase, and were more sensitive to digitoxin treatment than the cell lines derived from metastases (CFPAC-1 and AsPC-1), with a high proportion of cells in G0/G1. In addition, the effects of digitoxin on the rate of glycolysis, ROS production, and proliferation were dependent on the basal metabolism and origin of the cells. The KRAS downstream signaling pathways were not altered by digitoxin treatment, thus the effects exerted by digitoxin were probably disconnected from these signaling pathways. We conclude that digitoxin is a promising treatment in highly proliferating pancreatic tumors.
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17
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Kirova DG, Judasova K, Vorhauser J, Zerjatke T, Leung JK, Glauche I, Mansfeld J. A ROS-dependent mechanism promotes CDK2 phosphorylation to drive progression through S phase. Dev Cell 2022; 57:1712-1727.e9. [PMID: 35809563 PMCID: PMC9616724 DOI: 10.1016/j.devcel.2022.06.008] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 04/13/2022] [Accepted: 06/14/2022] [Indexed: 02/08/2023]
Abstract
Reactive oxygen species (ROS) at the right concentration promote cell proliferation in cell culture, stem cells, and model organisms. However, the mystery of how ROS signaling is coordinated with cell cycle progression and integrated into the cell cycle control machinery on the molecular level remains unsolved. Here, we report increasing levels of mitochondrial ROS during the cell cycle in human cell lines that target cyclin-dependent kinase 2 (CDK2). Chemical and metabolic interferences with ROS production decrease T-loop phosphorylation on CDK2 and so impede its full activation and thus its efficient DNA replication. ROS regulate CDK2 activity through the oxidation of a conserved cysteine residue near the T-loop, which prevents the binding of the T-loop phosphatase KAP. Together, our data reveal how mitochondrial metabolism is coupled with DNA replication and cell cycle progression via ROS, thereby demonstrating how KAP activity toward CDKs can be cell cycle regulated. Mitochondrial ROS drive cell cycle progression and proliferation Cyclin-dependent kinase 2 (CDK2) is increasingly oxidized during the cell cycle The oxidation state of a conserved cysteine on CDK2 regulates KAP binding CDK2 oxidation promotes T-loop phosphorylation and DNA replication
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Affiliation(s)
| | - Kristyna Judasova
- Cell Cycle, Biotechnology Center, Technische Universität Dresden, 01307 Dresden, Germany
| | - Julia Vorhauser
- Division of Cancer Biology, The Institute of Cancer Research, London SW3 6JB, UK; Cell Cycle, Biotechnology Center, Technische Universität Dresden, 01307 Dresden, Germany
| | - Thomas Zerjatke
- Institute for Medical Informatics and Biometry, Carl Gustav Carus Faculty of Medicine, Technische Universität Dresden, 01307 Dresden, Germany
| | - Jacky Kieran Leung
- Division of Cancer Biology, The Institute of Cancer Research, London SW3 6JB, UK
| | - Ingmar Glauche
- Institute for Medical Informatics and Biometry, Carl Gustav Carus Faculty of Medicine, Technische Universität Dresden, 01307 Dresden, Germany
| | - Jörg Mansfeld
- Division of Cancer Biology, The Institute of Cancer Research, London SW3 6JB, UK; Cell Cycle, Biotechnology Center, Technische Universität Dresden, 01307 Dresden, Germany.
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18
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Tanwar S, Kim JH, Bulte JWM, Barman I. Surface-enhanced Raman scattering: An emerging tool for sensing cellular function. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2022; 14:e1802. [PMID: 35510405 PMCID: PMC9302385 DOI: 10.1002/wnan.1802] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/25/2021] [Revised: 03/05/2022] [Accepted: 03/27/2022] [Indexed: 12/18/2022]
Abstract
Continuous long-term intracellular imaging and multiplexed monitoring of biomolecular changes associated with key cellular processes remains a challenge for the scientific community. Recently, surface-enhanced Raman scattering (SERS) has been demonstrated as a powerful spectroscopic tool in the field of biology owing to its significant advantages. Some of these include the ability to provide molecule-specific information with exquisite sensitivity, working with small volumes of precious samples, real-time monitoring, and optimal optical contrast. More importantly, the availability of a large number of novel Raman reporters with narrower full width at half maximum (FWHM) of spectral peaks/vibrational modes than conventional fluorophores has created a versatile palette of SERS-based probes that allow targeted multiplex sensing surpassing the detection sensitivity of even fluorescent probes. Due to its nondestructive nature, its applicability has been recognized for biological sensing, molecular imaging, and dynamic monitoring of complex intracellular processes. We critically discuss recent developments in this area with a focus on different applications where SERS has been used for obtaining information that remains elusive for conventional imaging methods. Current reports indicate that SERS has made significant inroads in the field of biology and has the potential to be used for in vivo human applications. This article is categorized under: Diagnostic Tools > In Vitro Nanoparticle-Based Sensing Nanotechnology Approaches to Biology > Nanoscale Systems in Biology Diagnostic Tools > Biosensing Diagnostic Tools > In Vivo Nanodiagnostics and Imaging.
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Affiliation(s)
- Swati Tanwar
- Department of Mechanical Engineering, Johns Hopkins University, Baltimore, Maryland, USA
| | - Jeong Hee Kim
- Department of Mechanical Engineering, Johns Hopkins University, Baltimore, Maryland, USA
| | - Jeff W M Bulte
- The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University, School of Medicine, Baltimore, Maryland, USA.,Cellular Imaging Section and Vascular Biology Program, Institute for Cell Engineering, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.,Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland, USA.,Department of Chemical & Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland, USA.,Department of Oncology, Johns Hopkins University, Baltimore, Maryland, USA
| | - Ishan Barman
- Department of Mechanical Engineering, Johns Hopkins University, Baltimore, Maryland, USA.,The Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University, School of Medicine, Baltimore, Maryland, USA.,Department of Oncology, Johns Hopkins University, Baltimore, Maryland, USA
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19
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Liu H, Du X, Zhang J, Li J, Chen S, Duanmu H, Li H. Quantitative redox proteomics revealed molecular mechanisms of salt tolerance in the roots of sugar beet monomeric addition line M14. BOTANICAL STUDIES 2022; 63:5. [PMID: 35247135 PMCID: PMC8898211 DOI: 10.1186/s40529-022-00337-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Accepted: 02/23/2022] [Indexed: 05/31/2023]
Abstract
BACKGROUND Salt stress is often associated with excessive production of reactive oxygen species (ROS). Oxidative stress caused by the accumulation of ROS is a major factor that negatively affects crop growth and yield. Root is the primary organ that senses and transmits the salt stress signal to the whole plant. How oxidative stress affect redox sensitive proteins in the roots is not known. RESULTS In this study, the redox proteome of sugar beet M14 roots under salt stress was investigated. Using iTRAQ reporters, we determined that salt stress caused significant changes in the abundance of many proteins (2305 at 20 min salt stress and 2663 at 10 min salt stress). Using iodoTMT reporters, a total of 95 redox proteins were determined to be responsive to salt stress after normalizing again total protein level changes. Notably, most of the differential redox proteins were involved in metabolism, ROS homeostasis, and stress and defense, while a small number play a role in transport, biosynthesis, signal transduction, transcription and photosynthesis. Transcription levels of 14 genes encoding the identified redox proteins were analyzed using qRT-PCR. All the genes were induced by salt stress at the transcriptional level. CONCLUSIONS Based on the redox proteomics results, we construct a map of the regulatory network of M14 root redox proteins in response to salt stress. This study further refines the molecular mechanism of salt resistance at the level of protein redox regulation.
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Affiliation(s)
- He Liu
- Key Laboratory of Molecular Biology of Heilongjiang Province, College of Life Sciences, Heilongjiang University, Harbin, 150080, China
- Engineering Research Center of Agricultural Microbiology Technology, Ministry of Education, Heilongjiang University, Harbin, 150080, China
| | - Xiaoxue Du
- Key Laboratory of Molecular Biology of Heilongjiang Province, College of Life Sciences, Heilongjiang University, Harbin, 150080, China
- Engineering Research Center of Agricultural Microbiology Technology, Ministry of Education, Heilongjiang University, Harbin, 150080, China
| | - Jialin Zhang
- Key Laboratory of Molecular Biology of Heilongjiang Province, College of Life Sciences, Heilongjiang University, Harbin, 150080, China
- Engineering Research Center of Agricultural Microbiology Technology, Ministry of Education, Heilongjiang University, Harbin, 150080, China
| | - Jinna Li
- Key Laboratory of Molecular Biology of Heilongjiang Province, College of Life Sciences, Heilongjiang University, Harbin, 150080, China
- Engineering Research Center of Agricultural Microbiology Technology, Ministry of Education, Heilongjiang University, Harbin, 150080, China
| | - Sixue Chen
- Proteomics and Mass Spectrometry, Interdisciplinary Center for Biotechnology Research, University of Florida, Gainesville, FL, 32610, USA
- Department of Biology, Genetics Institute, Plant Molecular and Cellular Biology Program, University of Florida, Gainesville, FL, 32610, USA
| | - Huizi Duanmu
- Key Laboratory of Molecular Biology of Heilongjiang Province, College of Life Sciences, Heilongjiang University, Harbin, 150080, China.
- Heilongjiang Provincial Key Laboratory of Ecological Restoration and Resource Utilization for Cold Region, School of Life Sciences, Heilongjiang University, Harbin, 150080, China.
| | - Haiying Li
- Key Laboratory of Molecular Biology of Heilongjiang Province, College of Life Sciences, Heilongjiang University, Harbin, 150080, China.
- Engineering Research Center of Agricultural Microbiology Technology, Ministry of Education, Heilongjiang University, Harbin, 150080, China.
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20
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Redox Homeostasis and Regulation in Pluripotent Stem Cells: Uniqueness or Versatility? Int J Mol Sci 2021; 22:ijms222010946. [PMID: 34681606 PMCID: PMC8535588 DOI: 10.3390/ijms222010946] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 09/29/2021] [Accepted: 10/04/2021] [Indexed: 12/16/2022] Open
Abstract
Pluripotent stem cells (PSCs) hold great potential both in studies on developmental biology and clinical practice. Mitochondrial metabolism that encompasses pathways that generate ATP and produce ROS significantly differs between PSCs and somatic cells. Correspondingly, for quite a long time it was believed that the redox homeostasis in PSCs is also highly specific due to the hypoxic niche of their origin-within the pre-implantation blastocyst. However, recent research showed that redox parameters of cultivated PSCs have much in common with that of their differentiated progeny cells. Moreover, it has been proven that, similar to somatic cells, maintaining the physiological ROS level is critical for the regulation of PSC identity, proliferation, differentiation, and de-differentiation. In this review, we aimed to summarize the studies of redox metabolism and signaling in PSCs to compare the redox profiles of pluripotent and differentiated somatic cells. We collected evidence that PSCs possess metabolic plasticity and are able to adapt to both hypoxia and normoxia, that pluripotency is not strictly associated with anaerobic conditions, and that cellular redox homeostasis is similar in PSCs and many other somatic cells under in vitro conditions that may be explained by the high conservatism of the redox regulation system.
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21
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Ivanova JS, Pugovkina NA, Neganova IE, Kozhukharova IV, Nikolsky NN, Lyublinskaya OG. Cell cycle-coupled changes in the level of reactive oxygen species support the proliferation of human pluripotent stem cells. Stem Cells 2021; 39:1671-1687. [PMID: 34460135 DOI: 10.1002/stem.3450] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 08/10/2021] [Indexed: 12/12/2022]
Abstract
The study of proliferation regulation in human pluripotent stem cells is crucial to gain insights into understanding the physiology of these cells. However, redox regulation of the pluripotent cell cycle remains largely unexplored. Here, using human embryonic stem cells (hESCs) as well as human induced pluripotent stem cells (hiPSCs), we demonstrate that the level of reactive oxygen species (ROS) in pluripotent cells oscillates in accordance with the cell cycle progression with the peak occurring at transition from S to G2 /M phase of the cycle. A decrease of this level by antioxidants leads to hindered S-phase initiation and progression but does not affect the early-G1 -phase or mitosis. Cells exposed to antioxidants in the early-G1 -phase accumulate the phosphorylated retinoblastoma protein and overcome the restriction point but are unable to accumulate the main regulators of the S phase-CYCLIN A and GEMININ. Based on the previous findings that CYCLIN A stability is affected by redox homeostasis disturbances in somatic cells, we compared the responses to antioxidant treatments in hESCs and in their differentiated fibroblast-like progeny cells (difESCs). In difESCs, similar to hESCs, a decrease in ROS level results in the disruption of S-phase initiation accompanied by a deficiency of the CYCLIN A level. Moreover, in antioxidant-treated cells, we revealed the accumulation of DNA breaks, which was accompanied by activation of the apoptosis program in pluripotent cells. Thus, we conclude that maintaining the physiological ROS level is essential for promotion of proliferation and accurate DNA synthesis in pluripotent cells and their differentiated descendants.
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Affiliation(s)
- Julia S Ivanova
- Institute of Cytology of the Russian Academy of Sciences, St. Petersburg, Russia
| | - Natalia A Pugovkina
- Institute of Cytology of the Russian Academy of Sciences, St. Petersburg, Russia
| | - Irina E Neganova
- Institute of Cytology of the Russian Academy of Sciences, St. Petersburg, Russia
| | - Irina V Kozhukharova
- Institute of Cytology of the Russian Academy of Sciences, St. Petersburg, Russia
| | - Nikolay N Nikolsky
- Institute of Cytology of the Russian Academy of Sciences, St. Petersburg, Russia
| | - Olga G Lyublinskaya
- Institute of Cytology of the Russian Academy of Sciences, St. Petersburg, Russia
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22
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Protein Phosphorylation in Cancer: Role of Nitric Oxide Signaling Pathway. Biomolecules 2021; 11:biom11071009. [PMID: 34356634 PMCID: PMC8301900 DOI: 10.3390/biom11071009] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 07/05/2021] [Accepted: 07/06/2021] [Indexed: 12/16/2022] Open
Abstract
Nitric oxide (NO), a free radical, plays a critical role in a wide range of physiological and pathological processes. Due to its pleiotropic function, it has been widely investigated in various types of cancers and is strongly associated with cancer development. Mounting pieces of evidence show that NO regulates various cancer-related events, which mainly depends on phosphorylating the key proteins in several signaling pathways. However, phosphorylation of proteins modulated by NO signaling pathway may lead to different effects in different types of cancer, which is complex and remains unclear. Therefore, in this review, we focus on the effect of protein phosphorylation modulated by NO signaling pathway in different types of cancers including breast cancer, lung cancer, prostate cancer, colon cancer, gastric cancer, pancreatic cancer, ovarian cancer, and neuroblastoma. Phosphorylation of key proteins, including p38 MAPK, ERK, PI3K, STAT3, and p53, modified by NO in various signaling pathways affects different cancer-related processes including cell apoptosis, proliferation, angiogenesis, metastasis, and several cancer therapies. Our review links the NO signaling pathway to protein phosphorylation in cancer development and provides new insight into potential targets and cancer therapy.
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23
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García-Giménez JL, Garcés C, Romá-Mateo C, Pallardó FV. Oxidative stress-mediated alterations in histone post-translational modifications. Free Radic Biol Med 2021; 170:6-18. [PMID: 33689846 DOI: 10.1016/j.freeradbiomed.2021.02.027] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 02/16/2021] [Accepted: 02/18/2021] [Indexed: 12/15/2022]
Abstract
Epigenetic regulation of gene expression provides a finely tuned response capacity for cells when undergoing environmental changes. However, in the context of human physiology or disease, any cellular imbalance that modulates homeostasis has the potential to trigger molecular changes that result either in physiological adaptation to a new situation or pathological conditions. These effects are partly due to alterations in the functionality of epigenetic regulators, which cause long-term and often heritable changes in cell lineages. As such, free radicals resulting from unbalanced/extended oxidative stress have been proved to act as modulators of epigenetic agents, resulting in alterations of the epigenetic landscape. In the present review we will focus on the particular effect that oxidative stress and free radicals produce in histone post-translational modifications that contribute to altering the histone code and, consequently, gene expression. The pathological consequences of the changes in this epigenetic layer of regulation of gene expression are thoroughly evidenced by data gathered in many physiological adaptive processes and in human diseases that range from age-related neurodegenerative pathologies to cancer, and that include respiratory syndromes, infertility, and systemic inflammatory conditions like sepsis.
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Affiliation(s)
- José-Luis García-Giménez
- Department of Physiology, Faculty of Medicine and Dentistry. University of Valencia- INCLIVA, Valencia, 46010, Spain; Associated Unit for Rare Diseases INCLIVA-CIPF, Valencia, Spain; CIBER de Enfermedades Raras (CIBERER), Valencia, Spain
| | - Concepción Garcés
- Department of Physiology, Faculty of Medicine and Dentistry. University of Valencia- INCLIVA, Valencia, 46010, Spain
| | - Carlos Romá-Mateo
- Department of Physiology, Faculty of Medicine and Dentistry. University of Valencia- INCLIVA, Valencia, 46010, Spain; Associated Unit for Rare Diseases INCLIVA-CIPF, Valencia, Spain; CIBER de Enfermedades Raras (CIBERER), Valencia, Spain
| | - Federico V Pallardó
- Department of Physiology, Faculty of Medicine and Dentistry. University of Valencia- INCLIVA, Valencia, 46010, Spain; Associated Unit for Rare Diseases INCLIVA-CIPF, Valencia, Spain; CIBER de Enfermedades Raras (CIBERER), Valencia, Spain.
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24
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Vallée A, Lecarpentier Y, Vallée JN. Opposed Interplay between IDH1 Mutations and the WNT/β-Catenin Pathway: Added Information for Glioma Classification. Biomedicines 2021; 9:biomedicines9060619. [PMID: 34070746 PMCID: PMC8229353 DOI: 10.3390/biomedicines9060619] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 05/26/2021] [Accepted: 05/28/2021] [Indexed: 12/23/2022] Open
Abstract
Gliomas are the main common primary intraparenchymal brain tumor in the central nervous system (CNS), with approximately 7% of the death caused by cancers. In the WHO 2016 classification, molecular dysregulations are part of the definition of particular brain tumor entities for the first time. Nevertheless, the underlying molecular mechanisms remain unclear. Several studies have shown that 75% to 80% of secondary glioblastoma (GBM) showed IDH1 mutations, whereas only 5% of primary GBM have IDH1 mutations. IDH1 mutations lead to better overall survival in gliomas patients. IDH1 mutations are associated with lower stimulation of the HIF-1α a, aerobic glycolysis and angiogenesis. The stimulation of HIF-1α and the process of angiogenesis appears to be activated only when hypoxia occurs in IDH1-mutated gliomas. In contrast, the observed upregulation of the canonical WNT/β-catenin pathway in gliomas is associated with proliferation, invasion, aggressive-ness and angiogenesis.. Molecular pathways of the malignancy process are involved in early stages of WNT/β-catenin pathway-activated-gliomas, and this even under normoxic conditions. IDH1 mutations lead to decreased activity of the WNT/β-catenin pathway and its enzymatic targets. The opposed interplay between IDH1 mutations and the canonical WNT/β-catenin pathway in gliomas could participate in better understanding of the observed evolution of different tumors and could reinforce the glioma classification.
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Affiliation(s)
- Alexandre Vallée
- Department of Clinical Research and Innovation, Foch Hospital, 92150 Suresnes, France
- Correspondence:
| | - Yves Lecarpentier
- Centre de Recherche Clinique, Grand Hôpital de l’Est Francilien (GHEF), 77100 Meaux, France;
| | - Jean-Noël Vallée
- Centre Hospitalier Universitaire (CHU) Amiens Picardie, Université Picardie Jules Verne (UPJV), 80000 Amiens, France;
- Laboratoire de Mathématiques et Applications (LMA), UMR CNRS 7348, Université de Poitiers, 86000 Poitiers, France
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25
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Considine MJ, Foyer CH. Oxygen and reactive oxygen species-dependent regulation of plant growth and development. PLANT PHYSIOLOGY 2021; 186:79-92. [PMID: 33793863 PMCID: PMC8154071 DOI: 10.1093/plphys/kiaa077] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 11/29/2020] [Indexed: 05/04/2023]
Abstract
Oxygen and reactive oxygen species (ROS) have been co-opted during evolution into the regulation of plant growth, development, and differentiation. ROS and oxidative signals arising from metabolism or phytohormone-mediated processes control almost every aspect of plant development from seed and bud dormancy, liberation of meristematic cells from the quiescent state, root and shoot growth, and architecture, to flowering and seed production. Moreover, the phytochrome and phytohormone-dependent transmissions of ROS waves are central to the systemic whole plant signaling pathways that integrate root and shoot growth. The sensing of oxygen availability through the PROTEOLYSIS 6 (PRT6) N-degron pathway functions alongside ROS production and signaling but how these pathways interact in developing organs remains poorly understood. Considerable progress has been made in our understanding of the nature of hydrogen peroxide sensors and the role of thiol-dependent signaling networks in the transmission of ROS signals. Reduction/oxidation (redox) changes in the glutathione (GSH) pool, glutaredoxins (GRXs), and thioredoxins (TRXs) are important in the control of growth mediated by phytohormone pathways. Although, it is clear that the redox states of proteins involved in plant growth and development are controlled by the NAD(P)H thioredoxin reductase (NTR)/TRX and reduced GSH/GRX systems of the cytosol, chloroplasts, mitochondria, and nucleus, we have only scratched the surface of this multilayered control and how redox-regulated processes interact with other cell signaling systems.
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Affiliation(s)
- Michael J Considine
- The School of Molecular Sciences, The University of Western Australia, Perth, Western Australia 6009, Australia
| | - Christine H Foyer
- School of Biosciences, College of Life and Environmental Sciences, University of Birmingham, Edgbaston, B15 2TT, UK
- Author for communication:
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26
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Bonetti J, Corti A, Lerouge L, Pompella A, Gaucher C. Phenotypic Modulation of Macrophages and Vascular Smooth Muscle Cells in Atherosclerosis-Nitro-Redox Interconnections. Antioxidants (Basel) 2021; 10:antiox10040516. [PMID: 33810295 PMCID: PMC8066740 DOI: 10.3390/antiox10040516] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 03/21/2021] [Accepted: 03/22/2021] [Indexed: 02/06/2023] Open
Abstract
Monocytes/macrophages and vascular smooth muscle cells (vSMCs) are the main cell types implicated in atherosclerosis development, and unlike other mature cell types, both retain a remarkable plasticity. In mature vessels, differentiated vSMCs control the vascular tone and the blood pressure. In response to vascular injury and modifications of the local environment (inflammation, oxidative stress), vSMCs switch from a contractile to a secretory phenotype and also display macrophagic markers expression and a macrophagic behaviour. Endothelial dysfunction promotes adhesion to the endothelium of monocytes, which infiltrate the sub-endothelium and differentiate into macrophages. The latter become polarised into M1 (pro-inflammatory), M2 (anti-inflammatory) or Mox macrophages (oxidative stress phenotype). Both monocyte-derived macrophages and macrophage-like vSMCs are able to internalise and accumulate oxLDL, leading to formation of “foam cells” within atherosclerotic plaques. Variations in the levels of nitric oxide (NO) can affect several of the molecular pathways implicated in the described phenomena. Elucidation of the underlying mechanisms could help to identify novel specific therapeutic targets, but to date much remains to be explored. The present article is an overview of the different factors and signalling pathways implicated in plaque formation and of the effects of NO on the molecular steps of the phenotypic switch of macrophages and vSMCs.
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Affiliation(s)
- Justine Bonetti
- CITHEFOR, Université de Lorraine, F-54000 Nancy, France; (J.B.); (L.L.); (C.G.)
| | - Alessandro Corti
- Department of Translational Research NTMS, University of Pisa Medical School, 56126 Pisa, Italy;
| | - Lucie Lerouge
- CITHEFOR, Université de Lorraine, F-54000 Nancy, France; (J.B.); (L.L.); (C.G.)
| | - Alfonso Pompella
- Department of Translational Research NTMS, University of Pisa Medical School, 56126 Pisa, Italy;
- Correspondence: ; Tel.: +39-050-2218-537
| | - Caroline Gaucher
- CITHEFOR, Université de Lorraine, F-54000 Nancy, France; (J.B.); (L.L.); (C.G.)
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27
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Varmazyad M, Modi MM, Kalen AL, Sarsour EH, Wagner B, Du J, Schultz MK, Buettner GR, Pigge FC, Goswami PC. N-alkyl triphenylvinylpyridinium conjugated dihydroartemisinin perturbs mitochondrial functions resulting in enhanced cancer versus normal cell toxicity. Free Radic Biol Med 2021; 165:421-434. [PMID: 33561488 PMCID: PMC8020572 DOI: 10.1016/j.freeradbiomed.2021.01.050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 01/17/2021] [Accepted: 01/28/2021] [Indexed: 10/22/2022]
Abstract
Dihydroartemisinin (DHA) is an FDA-approved antimalarial drug that has been repurposed for cancer therapy because of its preferential antiproliferative effects on cancer versus normal cells. Mitochondria represent an attractive target for cancer therapy based on their regulatory role in proliferation and cell death. This study investigates whether DHA conjugated to innately fluorescent N-alkyl triphenylvinylpyridinium (TPVP) perturbs mitochondrial functions resulting in a differential toxicity of cancer versus normal cells. TPVP-DHA treatments resulted in a dose-dependent toxicity of human melanoma and pancreatic cancer cells, whereas normal human fibroblasts were resistant to this treatment. TPVP-DHA treatments resulted in a G1-delay of the cancer cell cycle, which was also associated with a significant inhibition of the mTOR-metabolic and ERK1/2-proliferative signaling pathways. TPVP-DHA treatments perturbed mitochondrial functions, which correlated with increases in mitochondrial fission. In summary, TPVP mediated mitochondrial targeting of DHA enhanced cancer cell toxicity by perturbing mitochondrial functions and morphology.
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Affiliation(s)
| | - Mira M Modi
- Basic Science Department, College of Osteopathic Medicine, Kansas City University, Kansas City, MO, 64106, USA
| | - Amanda L Kalen
- Free Radical and Radiation Biology Division, Department of Radiation Oncology, University of Iowa, Iowa City, IA, 52242, USA
| | - Ehab H Sarsour
- Basic Science Department, College of Osteopathic Medicine, Kansas City University, Kansas City, MO, 64106, USA
| | - Brett Wagner
- Free Radical and Radiation Biology Division, Department of Radiation Oncology, University of Iowa, Iowa City, IA, 52242, USA
| | - Juan Du
- Department of Surgery, University of Iowa, Iowa City, IA, 52242, USA
| | - Michael K Schultz
- Department of Radiology, University of Iowa, Iowa City, IA, 52242, USA
| | - Garry R Buettner
- Free Radical and Radiation Biology Division, Department of Radiation Oncology, University of Iowa, Iowa City, IA, 52242, USA
| | | | - Prabhat C Goswami
- Free Radical and Radiation Biology Division, Department of Radiation Oncology, University of Iowa, Iowa City, IA, 52242, USA.
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28
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David S, Ho G, Day D, Harris M, Tan J, Goel S, Hanna GG, Srivastava R, Kruss G, McDowell L, White M. Enhanced toxicity with CDK 4/6 inhibitors and palliative radiotherapy: Non-consecutive case series and review of the literature. Transl Oncol 2020; 14:100939. [PMID: 33227663 PMCID: PMC7689545 DOI: 10.1016/j.tranon.2020.100939] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Accepted: 09/22/2020] [Indexed: 11/25/2022] Open
Abstract
CDK 4/6 inhibitors are commonly used in patients with advanced hormone receptor positive breast cancer. Many patients receive palliative radiotherapy for symptomatic disease concomitantly with a CDK 4/6 inhibitor. There is a paucity of data on the safety of combining a CDK 4/6 inhibitor with palliative radiotherapy. We report on 5 cases at our institution where enhanced radiotherapy toxicity was observed when RT was delivered during or prior to treatment with a CDK 4/6 inhibitor. We review pre-clinical and mechanistic data and hypothesise on possible mechanisms for this phenomenon.
Current first-line systemic treatment in most patients with metastatic hormone receptor-positive, HER-2 negative breast cancer is an aromatase inhibitor in combination with a cyclin dependant kinase (CDK) 4/6 inhibitor. Frequently, these patients require palliative radiotherapy (RT) for symptomatic disease management. There is a paucity of data on the safety of combining a CDK 4/6 inhibitor with palliative RT, with conflicting case reports in the literature. We report on 5 cases at our institution where enhanced radiotherapy toxicity was observed when palliative doses of RT was delivered during or prior to treatment with a CDK 4/6 inhibitor. After review of pre-clinical and mechanistic data, we hypothesise that the effects of CDK4/6 inhibition on normal tissue and the tumour microenvironment may impede tissue recovery and exacerbate acute radiation and radiation recall toxicities. Further studies are required to clarify the potential toxicities of this combination. Clinicians should consider the potential risks when combining CDK 4/6 inhibitors with palliative RT and individualise patient management accordingly.
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Affiliation(s)
- Steven David
- Department of Radiation Oncology, Peter MacCallum Cancer Centre, Melbourne, VIC, Australia; Monash Cancer Centre, East Bentleigh, VIC, Australia.
| | - Gwo Ho
- Monash Cancer Centre, East Bentleigh, VIC, Australia; School of Clinical Sciences, Monash University, Clayton, VIC, Australia
| | - Daphne Day
- Monash Cancer Centre, East Bentleigh, VIC, Australia; School of Clinical Sciences, Monash University, Clayton, VIC, Australia
| | - Marion Harris
- Monash Cancer Centre, East Bentleigh, VIC, Australia
| | - Jennifer Tan
- Department of Radiation Oncology, Peter MacCallum Cancer Centre, Melbourne, VIC, Australia; Monash Cancer Centre, East Bentleigh, VIC, Australia
| | - Shom Goel
- Department of Cancer Medicine, Peter MacCallum Cancer Centre, Melbourne, VIC, Australia; The Sir Peter MacCallum Department of Oncology, University of Melbourne, VIC, Australia
| | - Gerard G Hanna
- Department of Radiation Oncology, Peter MacCallum Cancer Centre, Melbourne, VIC, Australia; The Sir Peter MacCallum Department of Oncology, University of Melbourne, VIC, Australia
| | | | - Gill Kruss
- Monash Cancer Centre, East Bentleigh, VIC, Australia
| | - Lachlan McDowell
- Department of Radiation Oncology, Peter MacCallum Cancer Centre, Melbourne, VIC, Australia; The Sir Peter MacCallum Department of Oncology, University of Melbourne, VIC, Australia
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29
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Guizzardi S, Picotto G, Rodriguez V, Welsh J, Narvaez C, Bohl L, Tolosa de Talamoni N. Combined treatment of menadione and calcitriol increases the antiproliferative effect by promoting oxidative/nitrosative stress, mitochondrial dysfunction, and autophagy in breast cancer MCF-7 cells. Can J Physiol Pharmacol 2020; 98:548-556. [PMID: 32762631 DOI: 10.1139/cjpp-2019-0585] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The aim of this study was to determine new insights into the molecular mechanisms involved in the antiproliferative action of menadione + calcitriol (MEN+D) on MCF-7 cells. After 24 h, MEN+D inhibited the cell growth but was not observed with each single treatment. The combined drugs reduced the mitochondrial respiration at that time, as judged by an increase in the proton leak and a decrease in the ATP generation and coupling efficiency. At longer times, 48 or 96 h, either D or MEN reduced the proliferation, but the effect was higher when both drugs were used together. The combined treatment increased the superoxide anion ([Formula: see text]) and nitric oxide (NO•) contents as well as acidic vesicular organelles (AVOs) formation. The percentage of cells showing the lower mitochondrial membrane potential (ΔΨm) was highly increased by the combined therapy. LC3-II protein expression was enhanced by any treatment. In conclusion, the antiproliferative action of MEN+D involves oxidative/nitrosative stress, mitochondrial alteration, and autophagy. This combined therapy could be useful to treat breast cancer cells because it inhibits multiple oncogenic pathways more effectively than each single agent.
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Affiliation(s)
- Solange Guizzardi
- Laboratorio "Dr. Cañas", Cátedra de Bioquímica y Biología Molecular, Facultad de Ciencias Médicas, INICSA (CONICET-UNC), Córdoba, Argentina
| | - Gabriela Picotto
- Laboratorio "Dr. Cañas", Cátedra de Bioquímica y Biología Molecular, Facultad de Ciencias Médicas, INICSA (CONICET-UNC), Córdoba, Argentina
| | - Valeria Rodriguez
- Laboratorio "Dr. Cañas", Cátedra de Bioquímica y Biología Molecular, Facultad de Ciencias Médicas, INICSA (CONICET-UNC), Córdoba, Argentina
| | - JoEllen Welsh
- University at Albany Cancer Research Center, Rensselaer, NY, USA
| | - Carmen Narvaez
- University at Albany Cancer Research Center, Rensselaer, NY, USA
| | - Luciana Bohl
- Centro de Investigaciones y Transferencia Villa María (CITVM-CONICET), Universidad Nacional Villa María, Villa María, Argentina
| | - Nori Tolosa de Talamoni
- Laboratorio "Dr. Cañas", Cátedra de Bioquímica y Biología Molecular, Facultad de Ciencias Médicas, INICSA (CONICET-UNC), Córdoba, Argentina
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30
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Choi BY, Hong DK, Jeong JH, Lee BE, Koh JY, Suh SW. Zinc transporter 3 modulates cell proliferation and neuronal differentiation in the adult hippocampus. Stem Cells 2020; 38:994-1006. [PMID: 32346941 PMCID: PMC7496127 DOI: 10.1002/stem.3194] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Accepted: 04/10/2020] [Indexed: 12/11/2022]
Abstract
The subgranular zone of the dentate gyrus is a subregion of the hippocampus that has two uniquely defining features; it is one of the most active sites of adult neurogenesis as well as the location where the highest concentrations of synaptic zinc are found, the mossy fiber terminals. Therefore, we sought to investigate the idea that vesicular zinc plays a role as a modulator of hippocampal adult neurogenesis. Here, we used ZnT3−/− mice, which are depleted of synaptic‐vesicle zinc, to test the effect of targeted deletion of this transporter on adult neurogenesis. We found that this manipulation reduced progenitor cell turnover as well as led to a marked defect in the maturation of newborn cells that survive in the DG toward a neuronal phenotype. We also investigated the effects of zinc (ZnCl2), n‐acetyl cysteine (NAC), and ZnCl2 plus 2NAC (ZN) supplement on adult hippocampal neurogenesis. Compared with ZnCl2 or NAC, administration of ZN resulted in an increase in proliferation of progenitor cells and neuroblast. ZN also rescued the ZnT3 loss‐associated reduction of neurogenesis via elevation of insulin‐like growth factor‐1 and ERK/CREB activation. Together, these findings reveal that ZnT3 plays a highly important role in maintaining adult hippocampal neurogenesis and supplementation by ZN has a beneficial effect on hippocampal neurogenesis, as well as providing a therapeutic target for enhanced neuroprotection and repair after injury as demonstrated by its ability to prevent aging‐dependent cognitive decline in ZnT3−/− mice. Therefore, the present study suggests that ZnT3 and vesicular zinc are essential for adult hippocampal neurogenesis.
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Affiliation(s)
- Bo Young Choi
- Department of Physiology, Hallym University College of Medicine, Chuncheon, South Korea
| | - Dae Ki Hong
- Department of Physiology, Hallym University College of Medicine, Chuncheon, South Korea
| | - Jeong Hyun Jeong
- Department of Physiology, Hallym University College of Medicine, Chuncheon, South Korea
| | - Bo Eun Lee
- Department of Physiology, Hallym University College of Medicine, Chuncheon, South Korea
| | - Jae-Young Koh
- Department of Neurology, University of Ulsan College of Medicine, Seoul, South Korea
| | - Sang Won Suh
- Department of Physiology, Hallym University College of Medicine, Chuncheon, South Korea
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31
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Voothuluru P, Mäkelä P, Zhu J, Yamaguchi M, Cho IJ, Oliver MJ, Simmonds J, Sharp RE. Apoplastic Hydrogen Peroxide in the Growth Zone of the Maize Primary Root. Increased Levels Differentially Modulate Root Elongation Under Well-Watered and Water-Stressed Conditions. FRONTIERS IN PLANT SCIENCE 2020; 11:392. [PMID: 32373139 PMCID: PMC7186474 DOI: 10.3389/fpls.2020.00392] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Accepted: 03/18/2020] [Indexed: 05/28/2023]
Abstract
Reactive oxygen species (ROS) can act as signaling molecules involved in the acclimation of plants to various abiotic and biotic stresses. However, it is not clear how the generalized increases in ROS and downstream signaling events that occur in response to stressful conditions are coordinated to modify plant growth and development. Previous studies of maize (Zea mays L.) primary root growth under water deficit stress showed that cell elongation is maintained in the apical region of the growth zone but progressively inhibited further from the apex, and that the rate of cell production is also decreased. It was observed that apoplastic ROS, particularly hydrogen peroxide (H2O2), increased specifically in the apical region of the growth zone under water stress, resulting at least partly from increased oxalate oxidase activity in this region. To assess the function of the increase in apoplastic H2O2 in root growth regulation, transgenic maize lines constitutively expressing a wheat oxalate oxidase were utilized in combination with kinematic growth analysis to examine effects of increased apoplastic H2O2 on the spatial pattern of cell elongation and on cell production in well-watered and water-stressed roots. Effects of H2O2 removal (via scavenger pretreatment) specifically from the apical region of the growth zone were also assessed. The results show that apoplastic H2O2 positively modulates cell production and root elongation under well-watered conditions, whereas the normal increase in apoplastic H2O2 in water-stressed roots is causally related to down-regulation of cell production and root growth inhibition. The effects on cell production were accompanied by changes in spatial profiles of cell elongation and in the length of the growth zone. However, effects on overall cell elongation, as reflected in final cell lengths, were minor. These results reveal a fundamental role of apoplastic H2O2 in regulating cell production and root elongation in both well-watered and water-stressed conditions.
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Affiliation(s)
- Priya Voothuluru
- Division of Plant Sciences, University of Missouri, Columbia, MO, United States
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO, United States
| | - Pirjo Mäkelä
- Department of Agricultural Sciences, University of Helsinki, Helsinki, Finland
| | - Jinming Zhu
- Division of Plant Sciences, University of Missouri, Columbia, MO, United States
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO, United States
| | - Mineo Yamaguchi
- Division of Plant Sciences, University of Missouri, Columbia, MO, United States
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO, United States
| | - In-Jeong Cho
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO, United States
- United States Department of Agriculture-Agricultural Research Service, Plant Genetics Research Unit, University of Missouri, Columbia, MO, United States
| | - Melvin J. Oliver
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO, United States
- United States Department of Agriculture-Agricultural Research Service, Plant Genetics Research Unit, University of Missouri, Columbia, MO, United States
| | - John Simmonds
- Agriculture and Agri-Food Canada, Ottawa, ON, Canada
| | - Robert E. Sharp
- Division of Plant Sciences, University of Missouri, Columbia, MO, United States
- Interdisciplinary Plant Group, University of Missouri, Columbia, MO, United States
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32
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Bhatia A, Singh Buttar H, Arora R, Singh B, Singh A, Kaur S, Arora S. Antiproliferative Effects of Roylea cinerea (D. Don) Baillon Leaves in Immortalized L6 Rat Skeletal Muscle Cell Line: Role of Reactive Oxygen Species Mediated Pathway. Front Pharmacol 2020; 11:322. [PMID: 32231579 PMCID: PMC7083017 DOI: 10.3389/fphar.2020.00322] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Accepted: 03/05/2020] [Indexed: 12/28/2022] Open
Abstract
Roylea cinerea (D. Don) Baill. (Lamiaceae) is an indigenous plant of Western Himalayas, and has been used by the native population for the treatment of various diseases such as fever, malaria, diabetes, jaundice, and skin ailments. However, limited proportion of pharmacological and toxicological information is available on the bioactive properties of this plant. Therefore, the present study was designed to explore the anti-oxidant and anti-proliferative activities of Roylea cinerea. Methanolic extracts of leaves and stem of Roylea cinerea were prepared through maceration procedure and evaluated for the antioxidant activity using hydrogen/electron donating and hydroxyl radical scavenging assay. Significant antioxidant activity was observed for the methanolic extract of leaves in DPPH (EC50 239 µg/ml), molybdate ion reduction assay (29.73 µg ascorbic acid equivalent/mg dry weight of extract) as well as in plasmid nicking assay. Anti-proliferative and apoptotic activity in L6 rat skeletal muscle cell line was done using in vitro assays, i.e., MTT, Lactate dehydrogenase, mitochondrial membrane potential assay along with phase contrast, confocal, and scanning electron microscopy. The methanol extract of leaves and stem inhibited the growth of L6 cells with IC50 value of 69.41µg/ml and 124.93 µg/ml, respectively, and the lactate dehydrogenase activity was 20.29% and 0.3%, respectively. Cell cycle analysis by flow cytometry exhibited the arrest of cells in G1 and sub-G1 phase by methanolic leaves extract. Furthermore, the results of microscopic and docking analysis strengthened the observation made in the present study regarding the apoptotic mode of cell death in the L6 cell line. The in vitro findings of our studies revealed that the bioactive ingredients present in the methanolic extract of leaves and stem of Roylea cinerea have the anticancer potential. Further in vivo studies are needed to verify the in vitro results.
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Affiliation(s)
- Astha Bhatia
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Harpal Singh Buttar
- Department of Pathology and Laboratory Medicine, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Rohit Arora
- Department of Biochemistry, Sri Guru Ram Das University of Health Sciences, Amritsar, Punjab, India
| | - Balbir Singh
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Amritpal Singh
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Sarabjit Kaur
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Saroj Arora
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, Punjab, India
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Xin ZH, Meng YL, Jiang WJ, Li YP, Ge LP, Zhang CH, Liu LN, Kang YF. Finding an efficient tetramethylated hydroxydiethylene of resveratrol analogue for potential anticancer agent. BMC Chem 2020; 14:13. [PMID: 32099972 PMCID: PMC7027093 DOI: 10.1186/s13065-020-00667-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Accepted: 02/01/2020] [Indexed: 12/24/2022] Open
Abstract
With the improvement and advance in cancer diagnosis and treatment, the cancer is still a major cause of morbidity and mortality throughout the world. Obviously, new breakthroughs in therapies remain be urgent needed. In this work, we designed and synthesized the compound 1-4, namely resveratrol analogues with methylation of hydroxy distyrene, to further explore its new anti-cancer potential. Encouragingly, compound 1 ((E)-4,4'-(ethene-1,2-diyl)bis(3,5-dimethylphenol)) exhibited cytotoxicity superior to resveratrol in MCF 7 cells. More importantly, the compound 1 showed greater toxicity to tumor cells than that to normal cells, which proved that it could selectively kill tumor cells. The favorable results encouraged us to explore the inhibitory mechanism of compound 1 on MCF 7 cells. The research finding indicated the compound 1 inhibited tumor cell proliferation by both arresting cell cycle in S phase and apoptosis via a prooxidant manner. In addition, the results further verified compound 1 caused cell cycle arrest in S phase and apoptosis by down-regulation of the cycling A1/cycling A2 expression and the rise of Bax/Bcl-2 ratio in a p21-dependant pathway in MCF 7 cells. Therefore, these results are helpful for the effective design of anticancer reagents and the better understanding of their mechanism of action.
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Affiliation(s)
- Zhen-Hui Xin
- 1Hebei Key Laboratory of Quality & Safety Analysis-Testing for Agro-Products and Food and College of Laboratory Medicine, Hebei North University, 11 Diamond Street South, Zhangjiakou, 075000 Hebei People's Republic of China
| | - Ya-Li Meng
- 1Hebei Key Laboratory of Quality & Safety Analysis-Testing for Agro-Products and Food and College of Laboratory Medicine, Hebei North University, 11 Diamond Street South, Zhangjiakou, 075000 Hebei People's Republic of China
| | - Wen-Jing Jiang
- 1Hebei Key Laboratory of Quality & Safety Analysis-Testing for Agro-Products and Food and College of Laboratory Medicine, Hebei North University, 11 Diamond Street South, Zhangjiakou, 075000 Hebei People's Republic of China
| | - Ya-Peng Li
- Zhangbei Hospital, Guangchang Alley, Garden Street, Zhangbei Country, Zhangjiakou, 076450 Hebei People's Republic of China
| | - Li-Ping Ge
- 1Hebei Key Laboratory of Quality & Safety Analysis-Testing for Agro-Products and Food and College of Laboratory Medicine, Hebei North University, 11 Diamond Street South, Zhangjiakou, 075000 Hebei People's Republic of China
| | - Cun-Hui Zhang
- 1Hebei Key Laboratory of Quality & Safety Analysis-Testing for Agro-Products and Food and College of Laboratory Medicine, Hebei North University, 11 Diamond Street South, Zhangjiakou, 075000 Hebei People's Republic of China
| | - Lian-Na Liu
- 1Hebei Key Laboratory of Quality & Safety Analysis-Testing for Agro-Products and Food and College of Laboratory Medicine, Hebei North University, 11 Diamond Street South, Zhangjiakou, 075000 Hebei People's Republic of China
| | - Yan-Fei Kang
- 1Hebei Key Laboratory of Quality & Safety Analysis-Testing for Agro-Products and Food and College of Laboratory Medicine, Hebei North University, 11 Diamond Street South, Zhangjiakou, 075000 Hebei People's Republic of China
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Göbl C, Morris VK, van Dam L, Visscher M, Polderman PE, Hartlmüller C, de Ruiter H, Hora M, Liesinger L, Birner-Gruenberger R, Vos HR, Reif B, Madl T, Dansen TB. Cysteine oxidation triggers amyloid fibril formation of the tumor suppressor p16 INK4A. Redox Biol 2020; 28:101316. [PMID: 31539802 PMCID: PMC6812003 DOI: 10.1016/j.redox.2019.101316] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2019] [Revised: 08/28/2019] [Accepted: 09/01/2019] [Indexed: 02/09/2023] Open
Abstract
The tumor suppressor p16INK4A induces cell cycle arrest and senescence in response to oncogenic transformation and is therefore frequently lost in cancer. p16INK4A is also known to accumulate under conditions of oxidative stress. Thus, we hypothesized it could potentially be regulated by reversible oxidation of cysteines (redox signaling). Here we report that oxidation of the single cysteine in p16INK4A in human cells occurs under relatively mild oxidizing conditions and leads to disulfide-dependent dimerization. p16INK4A is an all α-helical protein, but we find that upon cysteine-dependent dimerization, p16INK4A undergoes a dramatic structural rearrangement and forms aggregates that have the typical features of amyloid fibrils, including binding of diagnostic dyes, presence of cross-β sheet structure, and typical dimensions found in electron microscopy. p16INK4A amyloid formation abolishes its function as a Cyclin Dependent Kinase 4/6 inhibitor. Collectively, these observations mechanistically link the cellular redox state to the inactivation of p16INK4A through the formation of amyloid fibrils.
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Affiliation(s)
- Christoph Göbl
- Center for Integrated Protein Science Munich (CIPSM) at the Department of Chemistry Technische Universität München, Lichtenbergstr. 4, 85747, Garching, Germany; Institute of Structural Biology, Helmholtz Zentrum München, 85764, Neuherberg, Germany
| | - Vanessa K Morris
- Center for Integrated Protein Science Munich (CIPSM) at the Department of Chemistry Technische Universität München, Lichtenbergstr. 4, 85747, Garching, Germany; Institute of Structural Biology, Helmholtz Zentrum München, 85764, Neuherberg, Germany
| | - Loes van Dam
- Center for Molecular Medicine, Molecular Cancer Research, University Medical Center Utrecht, Universiteitsweg 100, 3584CG, Utrecht, The Netherlands
| | - Marieke Visscher
- Center for Molecular Medicine, Molecular Cancer Research, University Medical Center Utrecht, Universiteitsweg 100, 3584CG, Utrecht, The Netherlands
| | - Paulien E Polderman
- Center for Molecular Medicine, Molecular Cancer Research, University Medical Center Utrecht, Universiteitsweg 100, 3584CG, Utrecht, The Netherlands
| | - Christoph Hartlmüller
- Center for Integrated Protein Science Munich (CIPSM) at the Department of Chemistry Technische Universität München, Lichtenbergstr. 4, 85747, Garching, Germany; Institute of Structural Biology, Helmholtz Zentrum München, 85764, Neuherberg, Germany
| | - Hesther de Ruiter
- Center for Molecular Medicine, Molecular Cancer Research, University Medical Center Utrecht, Universiteitsweg 100, 3584CG, Utrecht, The Netherlands
| | - Manuel Hora
- Center for Integrated Protein Science Munich (CIPSM) at the Department of Chemistry Technische Universität München, Lichtenbergstr. 4, 85747, Garching, Germany; Institute of Structural Biology, Helmholtz Zentrum München, 85764, Neuherberg, Germany
| | - Laura Liesinger
- Omics Center Graz, BioTechMed-Graz, Graz, Austria; Gottfried Schatz Research Center for Cell Signaling, Metabolism and Aging, Molecular Biology and Biochemistry, Medical University of Graz, 8010, Graz, Austria
| | - Ruth Birner-Gruenberger
- Omics Center Graz, BioTechMed-Graz, Graz, Austria; Gottfried Schatz Research Center for Cell Signaling, Metabolism and Aging, Molecular Biology and Biochemistry, Medical University of Graz, 8010, Graz, Austria
| | - Harmjan R Vos
- Center for Molecular Medicine, Molecular Cancer Research, University Medical Center Utrecht, Universiteitsweg 100, 3584CG, Utrecht, The Netherlands
| | - Bernd Reif
- Center for Integrated Protein Science Munich (CIPSM) at the Department of Chemistry Technische Universität München, Lichtenbergstr. 4, 85747, Garching, Germany; Institute of Structural Biology, Helmholtz Zentrum München, 85764, Neuherberg, Germany
| | - Tobias Madl
- Gottfried Schatz Research Center for Cell Signaling, Metabolism and Aging, Molecular Biology and Biochemistry, Medical University of Graz, 8010, Graz, Austria; BioTechMed-Graz, Austria.
| | - Tobias B Dansen
- Center for Molecular Medicine, Molecular Cancer Research, University Medical Center Utrecht, Universiteitsweg 100, 3584CG, Utrecht, The Netherlands.
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Sundarraj K, Raghunath A, Panneerselvam L, Perumal E. Fisetin, a phytopolyphenol, targets apoptotic and necroptotic cell death in HepG2 cells. Biofactors 2020; 46:118-135. [PMID: 31634424 DOI: 10.1002/biof.1577] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2019] [Accepted: 09/23/2019] [Indexed: 01/27/2023]
Abstract
Fisetin (3,7,3',4'-tetrahydroxyflavone), a bioactive dietary flavonoid, intrigued scientists for its anticancer potential against various cancer types. We investigated the fisetin-induced inhibition of growth and survival of human hepatocellular carcinoma. Fisetin decreased cell viability and proliferation of HepG2 cells as revealed from MTT and clonogenicity assays. Cell cycle arrest in the G2/M phase was observed. Annexin V/propidium iodide (PI) staining followed by flow cytometry revealed that fisetin induced both apoptosis and necroptosis in HepG2 cells. Apoptotic cells were significantly increased on fisetin treatment as observed in morphological evaluations and 4',6-diamidino-2-phenylindole and Acridine orange staining. Flow cytometry, fluorescence imaging, and 2', 7'-dichlorofluorescein diacetate analyses showed an increase in reactive oxygen species (ROS) generation on fisetin treatment. Pretreatment with N-acetyl cysteine inhibited ROS production and also rescued mitochondrial membrane potential in HepG2 cells. The underlying mechanisms of apoptosis and necroptosis were determined by analysis of their respective signaling molecules using qRT-PCR and Western blotting. Fisetin showed a marked increase in the expression of TNFα and IKκB with a decrease in NF-κB, pNF-κB and pIKκB expression. Fisetin reduced the expression of Bcl2, and elevated levels of Bax, caspase-3, and PARP and thus induced apoptosis in HepG2 cells. zVAD suppressed the fisetin-induced expression of caspase-8, RIPK1, RIPK3, and MLKL as opposed to fisetin treatment. Nec-1 + fisetin could not completely block necroptosis, which warrants further investigation. Taken together, our findings demonstrate that the fisetin exhibited anti-proliferative effects on HepG2 cells through apoptosis and necroptosis via multiple signaling pathways. Fiestin has potential as a therapeutic agent against hepatocellular carcinoma.
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Affiliation(s)
- Kiruthika Sundarraj
- Molecular Toxicology Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore, Tamilnadu, India
| | - Azhwar Raghunath
- Molecular Toxicology Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore, Tamilnadu, India
| | - Lakshmikanthan Panneerselvam
- Molecular Toxicology Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore, Tamilnadu, India
| | - Ekambaram Perumal
- Molecular Toxicology Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore, Tamilnadu, India
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Oney-Birol S. Exogenous L-Carnitine Promotes Plant Growth and Cell Division by Mitigating Genotoxic Damage of Salt Stress. Sci Rep 2019; 9:17229. [PMID: 31754247 PMCID: PMC6872569 DOI: 10.1038/s41598-019-53542-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 11/04/2019] [Indexed: 12/17/2022] Open
Abstract
L-carnitine is a fundamental ammonium compound responsible for energy metabolism in all living organisms. It is an oxidative stress regulator, especially in bacteria and yeast and lipid metabolism in plants. Besides its metabolic functions, l-carnitine has detoxification and antioxidant roles in the cells. Due to the complex interrelationship of l-carnitine between lipid metabolism and salinity dependent oxidative stress, this study investigates the exogenous l-carnitine (1 mM) function on seed germination, cell division and chromosome behaviour in barley seeds (Hordeum vulgare L. cv. Bulbul-89) under different salt stress concentrations (0, 0.25, 0.30 and 0.35 M). The present work showed that l-carnitine pretreatment could not be successful to stimulate cell division on barley seeds under non-stressed conditions compared to stressed conditions. Depending on increasing salinity without pretreatment with l-carnitine, the mitotic index significantly decreased in barley seeds. Pretreatment of barley seeds with l-carnitine under salt stress conditions was found promising as a plant growth promoter and stimulator of mitosis. In addition, pretreatment of barley seeds with l-carnitine alleviated detrimental effects of salt stress on chromosome structure and it protected cells from the genotoxic effects of salt. This may be caused by the antioxidant and protective action of the l-carnitine. Consequently, this study demonstrated that the exogenous application of 1 mM l-carnitine mitigates the harmful effects of salt stress by increasing mitosis and decreasing DNA damage caused by oxidative stress on barley seedlings.
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Affiliation(s)
- Signem Oney-Birol
- Department of Molecular Biology & Genetics, Faculty of Arts and Sciences, Burdur Mehmet Akif Ersoy University, Burdur, 15030, Turkey.
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Holmila RJ, Vance SA, King SB, Tsang AW, Singh R, Furdui CM. Silver Nanoparticles Induce Mitochondrial Protein Oxidation in Lung Cells Impacting Cell Cycle and Proliferation. Antioxidants (Basel) 2019; 8:E552. [PMID: 31739476 PMCID: PMC6912658 DOI: 10.3390/antiox8110552] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2019] [Revised: 11/04/2019] [Accepted: 11/11/2019] [Indexed: 12/19/2022] Open
Abstract
Silver nanoparticles (AgNPs) are widely used nanomaterials in both commercial and clinical biomedical applications, due to their antibacterial properties. AgNPs are also being explored for the treatment of cancer in particular in combination with ionizing radiation. In this work, we studied the effects of AgNPs and ionizing radiation on mitochondrial redox state and function in a panel of lung cell lines (A549, BEAS-2B, Calu-1 and NCI-H358). The exposure to AgNPs caused cell cycle arrest and decreased cell proliferation in A549, BEAS-2B and Calu-1, but not in NCI-H358. The mitochondrial reactive oxygen species (ROS) and protein oxidation increased in a time- and dose-dependent manner in the more sensitive cell lines with the AgNP exposure, but not in NCI-H358. While ionizing radiation also induced changes in the mitochondrial redox profiles, in general, these were not synergistic with the effects of AgNPs with the exception of NCI-H358 and only at a higher dose of radiation.
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Affiliation(s)
- Reetta J. Holmila
- Department of Internal Medicine, Section on Molecular Medicine, Wake Forest University Health Sciences, Winston-Salem, NC 27157, USA; (R.J.H.); (A.W.T.)
| | - Stephen A. Vance
- Department of Chemistry, Wake Forest University, Winston-Salem, NC 27109, USA; (S.A.V.); (S.B.K.)
| | - Stephen Bruce King
- Department of Chemistry, Wake Forest University, Winston-Salem, NC 27109, USA; (S.A.V.); (S.B.K.)
| | - Allen W. Tsang
- Department of Internal Medicine, Section on Molecular Medicine, Wake Forest University Health Sciences, Winston-Salem, NC 27157, USA; (R.J.H.); (A.W.T.)
| | - Ravi Singh
- Department of Cancer Biology, Wake Forest University Health Sciences, Winston-Salem, NC 27157, USA;
| | - Cristina M. Furdui
- Department of Internal Medicine, Section on Molecular Medicine, Wake Forest University Health Sciences, Winston-Salem, NC 27157, USA; (R.J.H.); (A.W.T.)
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Redox-Mediated Mechanism of Chemoresistance in Cancer Cells. Antioxidants (Basel) 2019; 8:antiox8100471. [PMID: 31658599 PMCID: PMC6826977 DOI: 10.3390/antiox8100471] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 10/07/2019] [Accepted: 10/08/2019] [Indexed: 12/12/2022] Open
Abstract
Cellular reactive oxygen species (ROS) status is stabilized by a balance of ROS generation and elimination called redox homeostasis. ROS is increased by activation of endoplasmic reticulum stress, nicotinamide adenine dinucleotide phosphate (NADPH) oxidase family members and adenosine triphosphate (ATP) synthesis of mitochondria. Increased ROS is detoxified by superoxide dismutase, catalase, and peroxiredoxins. ROS has a role as a secondary messenger in signal transduction. Cancer cells induce fluctuations of redox homeostasis by variation of ROS regulated machinery, leading to increased tumorigenesis and chemoresistance. Redox-mediated mechanisms of chemoresistance include endoplasmic reticulum stress-mediated autophagy, increased cell cycle progression, and increased conversion to metastasis or cancer stem-like cells. This review discusses changes of the redox state in tumorigenesis and redox-mediated mechanisms involved in tolerance to chemotherapeutic drugs in cancer.
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Hassanen EI, Khalaf AA, Tohamy AF, Mohammed ER, Farroh KY. Toxicopathological and immunological studies on different concentrations of chitosan-coated silver nanoparticles in rats. Int J Nanomedicine 2019; 14:4723-4739. [PMID: 31308655 PMCID: PMC6614591 DOI: 10.2147/ijn.s207644] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Accepted: 05/23/2019] [Indexed: 11/23/2022] Open
Abstract
Background Much consideration has been paid to the toxicological assessment of nanoparticles prior to clinical and biological applications. While in vitro studies have been expanding continually, in vivo investigations of nanoparticles have not developed a cohesive structure. This study aimed to assess the acute toxicity of different concentrations of chitosan-coated silver nanoparticles (Ch-AgNPs) in main organs, including liver, kidneys, and spleen. Materials and methods Twenty-eight male albino rats were used and divided into 4 groups (n=7). Group 1 was kept as a negative control group. Groups 2, 3, and 4 were treated intraperitoneally with Ch-AgNPs each day for 14 days at doses of 50, 25, and 10 mg/kg body weight (bwt) respectively. Histopathological, morphometric and immunohistochemical studies were performed as well as oxidative stress evaluations, and specific functional examinations for each organ were elucidated. Results It was revealed that Ch-AgNPs induced dose-dependent toxicity, and the repeated dosing of rats with 50 mg/kg Ch-AgNPs induced severe toxicities. Histopathological examination showed congestion, hemorrhage, cellular degeneration, apoptosis and necrosis in hepatic and renal tissue as well as lymphocytic depletion with increasing tangible macrophages in the spleen. The highest levels of malondialdehyde, alanine aminotransferase, aspartate aminotransferase (MDA, ALT, AST) and the lowest levels of reduced glutathione, immunoglobulin G, M and total protein (GSH, IgG, IgM, TP) were observed in this group. On the other hand, repeated dosing with 25 mg/kg induced mild to moderate disturbance in the previous parameters, while there was no significant difference in results of pathological examination and biochemical tests between the control group and those treated with 10 mg/kg bwt Ch-AgNPs. Conclusion Chitosan-coated silver nanoparticles induce dose-dependent adverse effects on rats.
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Affiliation(s)
- Eman Ibrahim Hassanen
- Department of Pathology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Abdelazeem Ali Khalaf
- Department of Toxicology & Forensic Medicine, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Adel Fathy Tohamy
- Department of Toxicology & Forensic Medicine, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Eman Ragab Mohammed
- Department of Microbiology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Khaled Yehia Farroh
- Nanotechnology & Advanced Materials Central Laboratory, Agricultural Research Center, Giza, Egypt
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Trevisan S, Trentin AR, Ghisi R, Masi A, Quaggiotti S. Nitrate affects transcriptional regulation of UPBEAT1 and ROS localisation in roots of Zea mays L. PHYSIOLOGIA PLANTARUM 2019; 166:794-811. [PMID: 30238472 DOI: 10.1111/ppl.12839] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 08/23/2018] [Accepted: 09/13/2018] [Indexed: 06/08/2023]
Abstract
Nitrogen (N) is an indispensable nutrient for crops but its availability in agricultural soils is subject to considerable fluctuation. Plants have developed plastic responses to external N fluctuations in order to optimise their development. The coordinated action of nitric oxide and auxin seems to allow the cells of the root apex transition zone (TZ) of N-deprived maize to rapidly sense nitrate (NO3 - ). Preliminary results support the hypothesis that reactive oxygen species (ROS) signalling might also have a role in this pathway, probably through a putative maize orthologue of UPBEAT1 (UPB1). To expand on this hypothesis and better understand the different roles played by different root portions, we investigated the dynamics of ROS production, and the molecular and biochemical regulation of the main components of ROS production and scavenging in tissues of the meristem, transition zone, elongation zone and maturation zone of maize roots. The results suggest that the inverse regulation of ZmUPB1 and ZmPRX112 transcription observed in cells of the TZ in response to nitrogen depletion or NO3 - supply affects the balance between superoxide (O2 •- ) and hydrogen peroxide (H2 O2 ) in the root apex and consequently triggers differential root growth. This explanation is supported by additional results on the overall metabolic and transcriptional regulation of ROS homeostasis.
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Affiliation(s)
- Sara Trevisan
- Department of Agriculture, Food, Natural Resources, Animals and the Environment, University of Padua, 35020, Legnaro, Padua, Italy
| | - Anna R Trentin
- Department of Agriculture, Food, Natural Resources, Animals and the Environment, University of Padua, 35020, Legnaro, Padua, Italy
| | - Rossella Ghisi
- Department of Agriculture, Food, Natural Resources, Animals and the Environment, University of Padua, 35020, Legnaro, Padua, Italy
| | - Antonio Masi
- Department of Agriculture, Food, Natural Resources, Animals and the Environment, University of Padua, 35020, Legnaro, Padua, Italy
| | - Silvia Quaggiotti
- Department of Agriculture, Food, Natural Resources, Animals and the Environment, University of Padua, 35020, Legnaro, Padua, Italy
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Makhdoumi P, Hossini H, Ashraf GM, Limoee M. Molecular Mechanism of Aniline Induced Spleen Toxicity and Neuron Toxicity in Experimental Rat Exposure: A Review. Curr Neuropharmacol 2019; 17:201-213. [PMID: 30081786 PMCID: PMC6425079 DOI: 10.2174/1570159x16666180803164238] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2017] [Revised: 01/17/2018] [Accepted: 08/02/2018] [Indexed: 01/04/2023] Open
Abstract
Aniline exposure leads to neuron and spleen toxicity specifically and makes diverse neurological effects and sar-coma that is defined by splenomegaly, hyperplasia, and fibrosis and tumors formation at the end. However, the molecular mechanism(s) of aniline-induced spleen toxicity is not understood well, previous studies have represented that aniline expo-sure results in iron overload and initiation of oxidative/nitrosative disorder stress and oxidative damage to proteins, lipids and DNA subsequently, in the spleen. Elevated expression of cyclins, cyclin-dependent kinases (CDKs) and phosphorylation of pRB protein along with increases in A, B and CDK1 as a cell cycle regulatory proteins cyclins, and reduce in CDK inhibitors (p21 and p27) could be critical in cell cycle regulation, which contributes to tumorigenic response after aniline exposure. Aniline-induced splenic toxicity is corre-lated to oxidative DNA damage and initiation of DNA glycosylases expression (OGG1, NEIL1/2, NTH1, APE1 and PNK) for removal of oxidative DNA lesions in rat. Oxidative stress causes transcriptional up-regulation of fibrogenic/inflammatory factors (cytokines, IL-1, IL-6 and TNF-α) via induction of nuclear factor-kappa B, AP-1 and redox-sensitive transcription factors, in aniline treated-rats. The upstream signalling events as phosphorylation of IκB kinases (IKKα and IKKβ) and mito-gen-activated protein kinases (MAPKs) could potentially be the causes of activation of NF-κB and AP-1. All of these events could initiate a fibrogenic and/or tumorigenic response in the spleen. The spleen toxicity of aniline is studied more and the different mechanisms are suggested. This review summarizes those events following aniline exposure that induce spleen tox-icity and neurotoxicity.
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Affiliation(s)
- Pouran Makhdoumi
- Research Center for Environmental Determinants of Health (RCEDH), School of Public Health, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Hooshyar Hossini
- Research Center for Environmental Determinants of Health (RCEDH), School of Public Health, Kermanshah University of Medical Sciences, Kermanshah, Iran.,Department of Environmental Health Engineering, Faculty of Health, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Ghulam Md Ashraf
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mojtaba Limoee
- Research Center for Environmental Determinants of Health (RCEDH), School of Public Health, Kermanshah University of Medical Sciences, Kermanshah, Iran.,Department of Environmental Health Engineering, Faculty of Health, Kermanshah University of Medical Sciences, Kermanshah, Iran
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Pilot R, Signorini R, Durante C, Orian L, Bhamidipati M, Fabris L. A Review on Surface-Enhanced Raman Scattering. BIOSENSORS 2019; 9:E57. [PMID: 30999661 PMCID: PMC6627380 DOI: 10.3390/bios9020057] [Citation(s) in RCA: 316] [Impact Index Per Article: 63.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 04/09/2019] [Accepted: 04/10/2019] [Indexed: 12/23/2022]
Abstract
Surface-enhanced Raman scattering (SERS) has become a powerful tool in chemical, material and life sciences, owing to its intrinsic features (i.e., fingerprint recognition capabilities and high sensitivity) and to the technological advancements that have lowered the cost of the instruments and improved their sensitivity and user-friendliness. We provide an overview of the most significant aspects of SERS. First, the phenomena at the basis of the SERS amplification are described. Then, the measurement of the enhancement and the key factors that determine it (the materials, the hot spots, and the analyte-surface distance) are discussed. A section is dedicated to the analysis of the relevant factors for the choice of the excitation wavelength in a SERS experiment. Several types of substrates and fabrication methods are illustrated, along with some examples of the coupling of SERS with separation and capturing techniques. Finally, a representative selection of applications in the biomedical field, with direct and indirect protocols, is provided. We intentionally avoided using a highly technical language and, whenever possible, intuitive explanations of the involved phenomena are provided, in order to make this review suitable to scientists with different degrees of specialization in this field.
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Affiliation(s)
- Roberto Pilot
- Department of Chemical Sciences, University of Padova, 35131 Padova, Italy.
- Consorzio INSTM, via G. Giusti 9, 50121 Firenze, Italy.
| | - Raffaella Signorini
- Department of Chemical Sciences, University of Padova, 35131 Padova, Italy.
- Consorzio INSTM, via G. Giusti 9, 50121 Firenze, Italy.
| | - Christian Durante
- Department of Chemical Sciences, University of Padova, 35131 Padova, Italy.
- Consorzio INSTM, via G. Giusti 9, 50121 Firenze, Italy.
| | - Laura Orian
- Department of Chemical Sciences, University of Padova, 35131 Padova, Italy.
- Consorzio INSTM, via G. Giusti 9, 50121 Firenze, Italy.
| | - Manjari Bhamidipati
- Department of Biomedical Engineering, Rutgers University, 599 Taylor Road, Piscataway, NJ 08854, USA.
| | - Laura Fabris
- Department of Materials Science and Engineering, Rutgers University, 607 Taylor Road, Piscataway, NJ 08854, USA.
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Pan C, Li X, Sun J, Li Z, Zhang L, Qian W, Wang P, Dong J. A Multiplexed SERS-Active Microneedle for Simultaneous Redox Potential and pH Measurements in Rat Joints. ACS APPLIED BIO MATERIALS 2019; 2:2102-2108. [DOI: 10.1021/acsabm.9b00117] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Chenyan Pan
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Xiaochen Li
- Department of Orthopedics and Traumatology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, 210029, China
| | - Jie Sun
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Zhe Li
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Li Zhang
- Department of Orthopedics and Traumatology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, 210029, China
| | - Weiping Qian
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Peimin Wang
- Department of Orthopedics and Traumatology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, 210029, China
| | - Jian Dong
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
- Laboratory of Environment and Biosafety, Research Institute of Southeast University in Suzhou, Suzhou, 215123, China
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Ciesielska S, Bil P, Gajda K, Poterala-Hejmo A, Hudy D, Rzeszowska-Wolny J. Cell type-specific differences in redox regulation and proliferation after low UVA doses. PLoS One 2019; 14:e0205215. [PMID: 30682016 PMCID: PMC6347369 DOI: 10.1371/journal.pone.0205215] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Accepted: 01/04/2019] [Indexed: 01/09/2023] Open
Abstract
Ultraviolet A (UVA) radiation is harmful for living organisms but in low doses may stimulate cell proliferation. Our aim was to examine the relationships between exposure to different low UVA doses, cellular proliferation, and changes in cellular reactive oxygen species levels. In human colon cancer (HCT116) and melanoma (Me45) cells exposed to UVA doses comparable to environmental, the highest doses (30–50 kJ/m2) reduced clonogenic potential but some lower doses (1 and 10 kJ/m2) induced proliferation. This effect was cell type and dose specific. In both cell lines the levels of reactive oxygen species and nitric oxide fluctuated with dynamics which were influenced differently by UVA; in Me45 cells decreased proliferation accompanied the changes in the dynamics of H2O2 while in HCT116 cells those of superoxide. Genes coding for proteins engaged in redox systems were expressed differently in each cell line; transcripts for thioredoxin, peroxiredoxin and glutathione peroxidase showed higher expression in HCT116 cells whereas those for glutathione transferases and copper chaperone were more abundant in Me45 cells. We conclude that these two cell types utilize different pathways for regulating their redox status. Many mechanisms engaged in maintaining cellular redox balance have been described. Here we show that the different cellular responses to a stimulus such as a specific dose of UVA may be consequences of the use of different redox control pathways. Assays of superoxide and hydrogen peroxide level changes after exposure to UVA may clarify mechanisms of cellular redox regulation and help in understanding responses to stressing factors.
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Affiliation(s)
- Sylwia Ciesielska
- Biosystems Group, Institute of Automatic Control, Silesian University of Technology, Gliwice, Poland
| | - Patryk Bil
- Biosystems Group, Institute of Automatic Control, Silesian University of Technology, Gliwice, Poland
| | - Karolina Gajda
- Biosystems Group, Institute of Automatic Control, Silesian University of Technology, Gliwice, Poland
| | - Aleksandra Poterala-Hejmo
- Biosystems Group, Institute of Automatic Control, Silesian University of Technology, Gliwice, Poland
| | - Dorota Hudy
- Biosystems Group, Institute of Automatic Control, Silesian University of Technology, Gliwice, Poland
| | - Joanna Rzeszowska-Wolny
- Biosystems Group, Institute of Automatic Control, Silesian University of Technology, Gliwice, Poland
- * E-mail:
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Lujan H, Criscitiello MF, Hering AS, Sayes CM. Refining In Vitro Toxicity Models: Comparing Baseline Characteristics of Lung Cell Types. Toxicol Sci 2019; 168:302-314. [DOI: 10.1093/toxsci/kfz001] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Affiliation(s)
- Henry Lujan
- Department of Environmental Science, Baylor University, Waco, Texas 76798-7266
| | - Michael F Criscitiello
- Comparative Immunogenetics Laboratory, Department of Veterinary Pathobiology, Texas A&M University, College Station, Texas 77843-4461
- Department of Microbial Pathogenesis and Immunology, Texas A&M University, Bryan, Texas 77807-3260
| | - Amanda S Hering
- Department of Statistical Science, Baylor University, Waco, Texas 76798-7266
| | - Christie M Sayes
- Department of Environmental Science, Baylor University, Waco, Texas 76798-7266
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Koch K, Strandback E, Jha S, Richter G, Bourgeois B, Madl T, Macheroux P. Oxidative stress-induced structural changes in the microtubule-associated flavoenzyme Irc15p from Saccharomyces cerevisiae. Protein Sci 2019; 28:176-190. [PMID: 30267443 PMCID: PMC6296175 DOI: 10.1002/pro.3517] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 09/21/2018] [Accepted: 09/24/2018] [Indexed: 11/07/2022]
Abstract
The genome of the yeast Saccharomyces cerevisiae encodes a canonical lipoamide dehydrogenase (Lpd1p) as part of the pyruvate dehydrogenase complex and a highly similar protein termed Irc15p (increased recombination centers 15). In contrast to Lpd1p, Irc15p lacks a pair of redox active cysteine residues required for the reduction of lipoamide and thus it is very unlikely that Irc15p performs a similar dithiol-disulfide exchange reaction as reported for lipoamide dehydrogenases. We expressed IRC15 in Escherichia coli and purified the produced protein to conduct a detailed biochemical characterization. Here, we show that Irc15p is a dimeric protein with one FAD per protomer. Photoreduction of the protein generates the fully reduced hydroquinone without the occurrence of a flavin semiquinone radical. Similarly, reduction with NADH or NADPH yields the flavin hydroquinone without the occurrence of intermediates as observed for lipoamide dehydrogenase. The redox potential of Irc15p was -313 ± 1 mV and is thus similar to lipoamide dehydrogenase. Reduced Irc15p is oxidized by several artificial electron acceptors such as potassium ferricyanide, 2,6-dichlorophenol-indophenol, 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide, and menadione. However, disulfides such as cystine, glutathione, and lipoamide were unable to react with reduced Irc15p. Limited proteolysis and SAXS-measurements revealed that the NADH-dependent formation of hydrogen peroxide caused a substantial structural change in the dimeric protein. Therefore, we hypothesize that Irc15p undergoes a conformational change in the presence of elevated levels of hydrogen peroxide, which is a putative biomarker of oxidative stress. This conformational change may in turn modulate the interaction of Irc15p with other key players involved in regulating microtubule dynamics.
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Affiliation(s)
- Karin Koch
- Institute of BiochemistryGraz University of TechnologyGrazAustria
| | | | - Shalinee Jha
- Institute of BiochemistryGraz University of TechnologyGrazAustria
| | - Gesa Richter
- Gottfried Schatz Research Center for Cell Signaling, Metabolism and Aging, Molecular Biology and BiochemistryMedical University of GrazGrazAustria
| | - Benjamin Bourgeois
- Gottfried Schatz Research Center for Cell Signaling, Metabolism and Aging, Molecular Biology and BiochemistryMedical University of GrazGrazAustria
| | - Tobias Madl
- Gottfried Schatz Research Center for Cell Signaling, Metabolism and Aging, Molecular Biology and BiochemistryMedical University of GrazGrazAustria
- BioTechMed‐GrazGrazAustria
| | - Peter Macheroux
- Institute of BiochemistryGraz University of TechnologyGrazAustria
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Cimini S, Gualtieri C, Macovei A, Balestrazzi A, De Gara L, Locato V. Redox Balance-DDR-miRNA Triangle: Relevance in Genome Stability and Stress Responses in Plants. FRONTIERS IN PLANT SCIENCE 2019; 10:989. [PMID: 31428113 PMCID: PMC6688120 DOI: 10.3389/fpls.2019.00989] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Accepted: 07/15/2019] [Indexed: 05/05/2023]
Abstract
Plants are continuously faced with complex environmental conditions which can affect the oxidative metabolism and photosynthetic efficiency, thus leading to the over-production of reactive oxygen species (ROS). Over a certain threshold, ROS can damage DNA. DNA damage, unless repaired, can affect genome stability, thus interfering with cell survival and severely reducing crop productivity. A complex network of pathways involved in DNA damage response (DDR) needs to be activated in order to maintain genome integrity. The expression of specific genes belonging to these pathways can be used as indicators of oxidative DNA damage and effective DNA repair in plants subjected to stress conditions. Managing ROS levels by modulating their production and scavenging systems shifts the role of these compounds from toxic molecules to key messengers involved in plant tolerance acquisition. Oxidative and anti-oxidative signals normally move among the different cell compartments, including the nucleus, cytosol, and organelles. Nuclei are dynamically equipped with different redox systems, such as glutathione (GSH), thiol reductases, and redox regulated transcription factors (TFs). The nuclear redox network participates in the regulation of the DNA metabolism, in terms of transcriptional events, replication, and repair mechanisms. This mainly occurs through redox-dependent regulatory mechanisms comprising redox buffering and post-translational modifications, such as the thiol-disulphide switch, glutathionylation, and S-nitrosylation. The regulatory role of microRNAs (miRNAs) is also emerging for the maintenance of genome stability and the modulation of antioxidative machinery under adverse environmental conditions. In fact, redox systems and DDR pathways can be controlled at a post-transcriptional level by miRNAs. This review reports on the interconnections between the DDR pathways and redox balancing systems. It presents a new dynamic picture by taking into account the shared regulatory mechanism mediated by miRNAs in plant defense responses to stress.
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Affiliation(s)
- Sara Cimini
- Unit of Food Science and Human Nutrition, Campus Bio-Medico University of Rome, Rome, Italy
| | - Carla Gualtieri
- Department of Biology and Biotechnology “L. Spallanzani”, University of Pavia, Pavia, Italy
| | - Anca Macovei
- Department of Biology and Biotechnology “L. Spallanzani”, University of Pavia, Pavia, Italy
| | - Alma Balestrazzi
- Department of Biology and Biotechnology “L. Spallanzani”, University of Pavia, Pavia, Italy
| | - Laura De Gara
- Unit of Food Science and Human Nutrition, Campus Bio-Medico University of Rome, Rome, Italy
| | - Vittoria Locato
- Unit of Food Science and Human Nutrition, Campus Bio-Medico University of Rome, Rome, Italy
- *Correspondence: Vittoria Locato,
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Mohammadi F, Ghanati F, Sharifi M, Chashmi NA. On the mechanism of the cell cycle control of suspension-cultured tobacco cells after exposure to static magnetic field. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2018; 277:139-144. [PMID: 30466579 DOI: 10.1016/j.plantsci.2018.08.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 08/01/2018] [Accepted: 08/04/2018] [Indexed: 06/09/2023]
Abstract
One of the main sites of the magnetic fields influence on living cells is the cell cycle. The intensity of this influence however, varies depending on the cell type and the duration of the treatment. Suspension of cultured tobacco cells (Nicotiana tabacum cv. Barley 21) were synchronized via sucrose starvation at their stationary growth phase. The cells were then exposed to 0.2 m T SMF up to 24 h. The progression of different cell cycle phases was monitored through flow cytometry in a time course manner. Expression of cell cycle controlling genes and amounts of certain signaling molecules were measured as well. Exposure to SMF delayed G1.S transition which was accompanied by decrease of cyclin-dependent kinases A (CDK A) and D-type cyclin, but an increase in the adenylyl cyclase (AC), transcription factor E2F, retinoblastoma protein (Rbp), and CDK-inhibitor protein 21 (p21) transcript accumulation. Exposure to SMF also increased the contents of nitric oxide (NO), hydrogen peroxide (H2O2), and salicylic acid (SA), compared to the control group. The results suggest a signaling pathway triggered by SMF starting from accumulation of NO and H2O2 followed by downstream events including the increase of cyclic nucleotides and subsequent decrease of both CDKA and CycD.
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Affiliation(s)
- Farzaneh Mohammadi
- Department of Plant Biology, Faculty of Biological Science, Tarbiat Modares University (TMU), POB141115-154, Tehran, Iran
| | - Faezeh Ghanati
- Department of Plant Biology, Faculty of Biological Science, Tarbiat Modares University (TMU), POB141115-154, Tehran, Iran.
| | - Mohsen Sharifi
- Department of Plant Biology, Faculty of Biological Science, Tarbiat Modares University (TMU), POB141115-154, Tehran, Iran
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Figueroa D, Asaduzzaman M, Young F. Real time monitoring and quantification of reactive oxygen species in breast cancer cell line MCF-7 by 2′,7′–dichlorofluorescin diacetate (DCFDA) assay. J Pharmacol Toxicol Methods 2018; 94:26-33. [DOI: 10.1016/j.vascn.2018.03.007] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Revised: 03/16/2018] [Accepted: 03/27/2018] [Indexed: 12/11/2022]
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50
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Bertz M, Kühn K, Koeberle SC, Müller MF, Hoelzer D, Thies K, Deubel S, Thierbach R, Kipp AP. Selenoprotein H controls cell cycle progression and proliferation of human colorectal cancer cells. Free Radic Biol Med 2018; 127:98-107. [PMID: 29330096 DOI: 10.1016/j.freeradbiomed.2018.01.010] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Revised: 12/19/2017] [Accepted: 01/07/2018] [Indexed: 12/22/2022]
Abstract
Selenoprotein H (SELENOH) is supposed to be involved in redox regulation as well as in tumorigenesis. However, its role in healthy and transformed cells of the gastrointestinal tract remains elusive. We analyzed SELENOH expression in cells depending on their selenium supply and differentiation status and found that SELENOH expression was increased in tumor tissue, in undifferentiated epithelial cells from mice and in colorectal cancer lines as compared to more differentiated ones. Knockdown studies in human colorectal cancer cells revealed that repression of SELENOH decreased cellular differentiation and increased proliferation and migration. In addition, SELENOH knockdown cells have a higher competence to form colonies or tumor xenografts. In parallel, they show a faster cell cycle transition. The high levels of SELENOH in tumors as well as in undifferentiated, proliferative cells together with its inhibitory effects on proliferation and G1/S phase transition suggest SELENOH as a key regulator for cell cycle progression and for prevention of uncontrolled proliferation. As SELENOH expression is highly dependent on the selenium status, effects of selenium supplementation on cancer initiation and progression appear to involve SELENOH.
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Affiliation(s)
- Martin Bertz
- Department of Molecular Toxicology, German Institute of Human Nutrition, Potsdam-Rehbruecke, D-14558 Nuthetal, Germany
| | - Katrin Kühn
- Department of Molecular Toxicology, German Institute of Human Nutrition, Potsdam-Rehbruecke, D-14558 Nuthetal, Germany
| | - Solveigh C Koeberle
- Department of Molecular Nutritional Physiology, Institute of Nutrition, University of Jena, Jena D-07743, Germany
| | - Mike F Müller
- Department of Molecular Toxicology, German Institute of Human Nutrition, Potsdam-Rehbruecke, D-14558 Nuthetal, Germany
| | - Doerte Hoelzer
- Department of Human Nutrition, Institute of Nutrition, University of Jena, Jena D-07743, Germany
| | - Karolin Thies
- Department of Molecular Toxicology, German Institute of Human Nutrition, Potsdam-Rehbruecke, D-14558 Nuthetal, Germany
| | - Stefanie Deubel
- Department of Molecular Toxicology, German Institute of Human Nutrition, Potsdam-Rehbruecke, D-14558 Nuthetal, Germany
| | - René Thierbach
- Department of Human Nutrition, Institute of Nutrition, University of Jena, Jena D-07743, Germany
| | - Anna P Kipp
- Department of Molecular Nutritional Physiology, Institute of Nutrition, University of Jena, Jena D-07743, Germany.
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