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Berthenet K, Aïmontché E, El Mrini S, Brière J, Pion N, Iacono I, Brejon S, Monier K, Catez F, Ichim G, Combaret V, Mertani HC, Diaz JJ, Albaret MA. Spatial sequestration of activated-caspase 3 in aggresomes mediates resistance of neuroblastoma cell to bortezomib treatment. Sci Rep 2024; 14:3768. [PMID: 38355966 PMCID: PMC10866921 DOI: 10.1038/s41598-024-54140-7] [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: 01/05/2023] [Accepted: 02/08/2024] [Indexed: 02/16/2024] Open
Abstract
Neuroblastoma (NB) is the most common pediatric tumor and is currently treated by several types of therapies including chemotherapies, such as bortezomib treatment. However, resistance to bortezomib is frequently observed by mechanisms that remain to be deciphered. Bortezomib treatment leads to caspase activation and aggresome formation. Using models of patients-derived NB cell lines with different levels of sensitivity to bortezomib, we show that the activated form of caspase 3 accumulates within aggresomes of NB resistant cells leading to an impairment of bortezomib-induced apoptosis and increased cell survival. Our findings unveil a new mechanism of resistance to chemotherapy based on an altered subcellular distribution of the executioner caspase 3. This mechanism could explain the resistance developed in NB patients treated with bortezomib, emphasizing the potential of drugs targeting aggresomes.
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Affiliation(s)
- Kévin Berthenet
- Univ Lyon, Université Claude Bernard Lyon 1, INSERM U1052, CNRS UMR5286, Centre Léon Bérard, Cancer Research Center of Lyon, 69008, Lyon, France
| | - Eliézer Aïmontché
- Univ Lyon, Université Claude Bernard Lyon 1, INSERM U1052, CNRS UMR5286, Centre Léon Bérard, Cancer Research Center of Lyon, 69008, Lyon, France
| | - Sara El Mrini
- Univ Lyon, Université Claude Bernard Lyon 1, INSERM U1052, CNRS UMR5286, Centre Léon Bérard, Cancer Research Center of Lyon, 69008, Lyon, France
| | - Johan Brière
- Univ Lyon, Université Claude Bernard Lyon 1, INSERM U1052, CNRS UMR5286, Centre Léon Bérard, Cancer Research Center of Lyon, 69008, Lyon, France
| | - Nathalie Pion
- Univ Lyon, Université Claude Bernard Lyon 1, INSERM U1052, CNRS UMR5286, Centre Léon Bérard, Cancer Research Center of Lyon, 69008, Lyon, France
| | - Isabelle Iacono
- Department of Translational Research and Innovation, Centre Léon Bérard, 69373, Lyon, France
| | - Stéphanie Brejon
- Department of Translational Research and Innovation, Centre Léon Bérard, 69373, Lyon, France
| | - Karine Monier
- Univ Lyon, Université Claude Bernard Lyon 1, INSERM U1052, CNRS UMR5286, Centre Léon Bérard, Cancer Research Center of Lyon, 69008, Lyon, France
| | - Frédéric Catez
- Univ Lyon, Université Claude Bernard Lyon 1, INSERM U1052, CNRS UMR5286, Centre Léon Bérard, Cancer Research Center of Lyon, 69008, Lyon, France
| | - Gabriel Ichim
- Univ Lyon, Université Claude Bernard Lyon 1, INSERM U1052, CNRS UMR5286, Centre Léon Bérard, Cancer Research Center of Lyon, 69008, Lyon, France
- Institut Convergence PLAsCAN, 69373, Lyon Cedex 08, France
| | - Valérie Combaret
- Department of Translational Research and Innovation, Centre Léon Bérard, 69373, Lyon, France
| | - Hichem C Mertani
- Univ Lyon, Université Claude Bernard Lyon 1, INSERM U1052, CNRS UMR5286, Centre Léon Bérard, Cancer Research Center of Lyon, 69008, Lyon, France
| | - Jean-Jacques Diaz
- Univ Lyon, Université Claude Bernard Lyon 1, INSERM U1052, CNRS UMR5286, Centre Léon Bérard, Cancer Research Center of Lyon, 69008, Lyon, France
- Institut Convergence PLAsCAN, 69373, Lyon Cedex 08, France
- DevWeCan Labex Laboratory, 69373, Lyon Cedex 08, France
| | - Marie Alexandra Albaret
- Univ Lyon, Université Claude Bernard Lyon 1, INSERM U1052, CNRS UMR5286, Centre Léon Bérard, Cancer Research Center of Lyon, 69008, Lyon, France.
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Dutta D, Show S, Pal A, Anifowoshe AT, Prasad Aj M, Nongthomba U. The association of cysteine to thiomersal attenuates its apoptosis-mediated cytotoxicity in zebrafish. CHEMOSPHERE 2024; 350:141070. [PMID: 38160945 DOI: 10.1016/j.chemosphere.2023.141070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 12/27/2023] [Accepted: 12/28/2023] [Indexed: 01/03/2024]
Abstract
Thiomersal (TM) is an excellent preservative that is used in a wide variety of products, like pharmaceuticals, cosmetics, and vaccines, etc. Its usage has been in decline because of safety concerns. Since vaccine production is on the rise, its use may increase further in low-income and developing countries, as a cost-effective vaccine preservative. Further, Thiomersal is still being used as an essential component in various pharmaceutical preparations. In this light, the present study addresses its mechanism of toxicity in zebrafish and unveils a novel strategy for lessening its negative effects by conjugating cysteine to it, while retaining its antibacterial efficacy. We show that the mitochondrial membrane potential is destabilised by TM, leading to the induction of apoptosis. Interestingly, TM-cysteine conjugate (at a ratio of 1:1) showed no toxicity in zebrafish, whereas TM alone was highly toxic. Importantly, assaying for the bactericidal activity, tested using Escherichia coli (E. coli) and Methicillin-resistant Staphylococcus aureus (MRSA), revealed that the conjugate retains the antibacterial activity, demonstrating that the TM-cysteine conjugate is a safer alternative to TM as a vaccine preservative, and in all the other products that still use TM.
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Affiliation(s)
- Debanjan Dutta
- Department of Developmental Biology and Genetics, Indian Institute of Science, Bangalore, 560012, India.
| | - Sautan Show
- Department of Developmental Biology and Genetics, Indian Institute of Science, Bangalore, 560012, India; Department of Biochemistry, Pooja Bhagavat Memorial Mahajana Postgraduate Center, Mysore-570016, India
| | - Anabadya Pal
- Department of Biochemistry and Biophysics, University of Kalyani, Kalyani, 741235, India
| | - Abass Toba Anifowoshe
- Department of Developmental Biology and Genetics, Indian Institute of Science, Bangalore, 560012, India
| | - Mahadesh Prasad Aj
- Department of Biochemistry, Pooja Bhagavat Memorial Mahajana Postgraduate Center, Mysore-570016, India
| | - Upendra Nongthomba
- Department of Developmental Biology and Genetics, Indian Institute of Science, Bangalore, 560012, India.
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Deeksha W, Rajakumara E. Regulatory apoptotic fragment of PARP1 complements catalytic fragment for PAR and DNA-dependent activity but inhibits DNA-induced catalytic stimulation of PARP2. DNA Repair (Amst) 2024; 133:103593. [PMID: 38029688 DOI: 10.1016/j.dnarep.2023.103593] [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: 06/20/2023] [Revised: 10/07/2023] [Accepted: 11/08/2023] [Indexed: 12/01/2023]
Abstract
To maintain tissue homeostasis, cell proliferation is balanced by cell death. PARP1 is an important protein involved in both processes. Upon sensing DNA damage, PARP1 forms poly(ADP-ribose) (PAR) chains to recruit the repair proteins, ensuring genome integrity and faithful cell proliferation. In addition, PAR also regulates the activity of PARP1. Persistent DNA damage can signal the cell to progress toward programmed cell death, apoptosis. During apoptosis, proteolytic cleavage of PARP1 generates an N-terminal, ZnF1-2PARP1 (DNA binding or regulatory fragment), and C-terminal, PARP1ΔZnF1-2 (catalytic or PAR carrier fragment), which exhibits a basal activity. Regulation of the apoptotic fragments by PAR has not been studied. Here, we report that PAR inhibits the basal level activity of PARP1ΔZnF1-2, and ZnF1-2PARP1 interacts with PARP1ΔZnF1-2 to exhibit DNA-dependent stimulation and partially restores the PAR-dependent stimulation. Interestingly, along with the auto-modification domain of PARP1, the DNA-binding domains, ZnF1-2PARP1, also acts as an acceptor of PARylation; therefore, ZnF1-2PARP1 exhibits a reduced affinity for DNA upon PARylation. Furthermore, we show that ZnF1-2PARP1 shows trans-dominant inhibition of DNA-dependent stimulation of PARP2. Altogether, our study explores the regulation of the catalytic activity of PARP1ΔZnF1-2 and PARP2 by the regulatory apoptotic fragment of PARP1.
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Affiliation(s)
- Waghela Deeksha
- Macromolecular Structural Biology Lab, Department of Biotechnology, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, Telangana 502284, India
| | - Eerappa Rajakumara
- Macromolecular Structural Biology Lab, Department of Biotechnology, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, Telangana 502284, India.
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Wu PS, Wang CY, Hsu HJ, Yen JH, Wu MJ. 8-Hydroxydaidzein Induces Apoptosis and Inhibits AML-Associated Gene Expression in U-937 Cells: Potential Phytochemical for AML Treatment. Biomolecules 2023; 13:1575. [PMID: 38002257 PMCID: PMC10669020 DOI: 10.3390/biom13111575] [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: 09/10/2023] [Revised: 09/30/2023] [Accepted: 10/19/2023] [Indexed: 11/26/2023] Open
Abstract
BACKGROUND 8-hydroxydaidzein (8-OHD) is a compound derived from daidzein, known for its anti-inflammatory and anti-proliferative properties in K562 human chronic myeloid leukemia (CML) cells. However, its effects on acute myeloid leukemia (AML) cells have not been fully understood. METHOD To investigate its potential anti-AML mechanism, we employed an integrated in vitro-in silico approach. RESULTS Our findings demonstrate that 8-OHD suppresses the expression of CDK6 and CCND2 proteins and induces cell apoptosis in U-937 cells by activating Caspase-7 and cleaving PARP-1. Microarray analysis revealed that 8-OHD downregulates differentially expressed genes (DEGs) associated with rRNA processing and ribosome biogenesis pathways. Moreover, AML-target genes, including CCND2, MYC, NPM1, FLT3, and TERT, were downregulated by 8-OHD. Additionally, molecular docking software predicted that 8-OHD has the potential to interact with CDK6, FLT3, and TERT proteins, thereby reducing their activity and inhibiting cell proliferation. Notably, we discovered a synergic pharmacological interaction between 8-OHD and cytarabine (Ara-C). CONCLUSIONS Overall, this study provides insights into the therapeutic applications of 8-OHD in treating AML and elucidates its underlying mechanisms of action.
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Affiliation(s)
- Pei-Shan Wu
- Department of Pharmacy, Chia Nan University of Pharmacy and Science, Tainan 717301, Taiwan;
- Department of Biotechnology, Chia Nan University of Pharmacy and Science, Tainan 717301, Taiwan
| | - Chih-Yang Wang
- Ph.D. Program for Cancer Molecular Biology and Drug Discovery, Taipei Medical University, Taipei 110301, Taiwan;
- Graduate Institute of Cancer Biology and Drug Discovery, Taipei Medical University, Taipei 110301, Taiwan
| | - Hao-Jen Hsu
- Department of Biomedical Sciences and Engineering, Tzu Chi University, Hualien 970, Taiwan;
| | - Jui-Hung Yen
- Department of Molecular Biology and Human Genetics, Tzu Chi University, Hualien 970374, Taiwan;
- Institute of Medical Sciences, Tzu Chi University, Hualien 970374, Taiwan
| | - Ming-Jiuan Wu
- Department of Pharmacy, Chia Nan University of Pharmacy and Science, Tainan 717301, Taiwan;
- Department of Biotechnology, Chia Nan University of Pharmacy and Science, Tainan 717301, Taiwan
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Deeksha W, Abhishek S, Giri J, Rajakumara E. Regulation of PARP1 and its apoptotic variant activity by single-stranded DNA. FEBS J 2023; 290:4533-4542. [PMID: 37246313 DOI: 10.1111/febs.16875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 04/06/2023] [Accepted: 05/25/2023] [Indexed: 05/30/2023]
Abstract
PARP1 is a nuclear protein involved in the maintenance of genomic stability. It catalyses the formation of poly(ADP-ribose) (PAR) to recruit repair proteins at the site of DNA lesions, such as double-strand and single-strand breaks. In the process of DNA replication or repair, there could occur stretch of ssDNA, usually protected by ssDNA binding proteins, but when present in abundance can turn into DNA beaks and cause cell death. PARP1 is an extremely sensitive sensor of DNA breaks; however, the interaction of PARP1 with single-stranded DNA (ssDNA) remains unexplored. Here, we report that the two Zn-fingers, ZnF1 and ZnF2, of PARP1, mediate high-affinity recognition of ssDNA. Our studies suggest that although PAR and ssDNA are chemical analogues, they are recognized by a distinct set of domains of PARP1, yet PAR not only induces dislodging of ssDNA from PARP1 but also hampers the ssDNA-dependent PARP1 activity. It is noteworthy that PAR carrier apoptotic fragment PARP1ΔZnF1-2 gets cleaved from PARP1 to facilitate apoptosis, leaving behind the DNA-bound ZnF1-ZnF2PARP1 . Our studies demonstrate that the PARP1ΔZnF1-2 is competent for ssDNA-dependent stimulation only in the presence of another apoptotic fragment ZnF1-ZnF2PARP1 , suggesting the indispensability of DNA-bound ZnF1-ZnF2PARP1 dual domains for the same.
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Affiliation(s)
- Waghela Deeksha
- Macromolecular Structural Biology Lab, Department of Biotechnology, Indian Institute of Technology Hyderabad, Sangareddy, India
| | - Suman Abhishek
- Macromolecular Structural Biology Lab, Department of Biotechnology, Indian Institute of Technology Hyderabad, Sangareddy, India
| | - Jyotsnendu Giri
- Department of Biomedical Engineering, Indian Institute of Technology, Hyderabad, India
| | - Eerappa Rajakumara
- Macromolecular Structural Biology Lab, Department of Biotechnology, Indian Institute of Technology Hyderabad, Sangareddy, India
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McNamara B, Harold J, Manavella D, Bellone S, Mutlu L, Hartwich TMP, Zipponi M, Yang-Hartwich Y, Demirkiran C, Verzosa MSZ, Yang K, Choi J, Dong W, Buza N, Hui P, Altwerger G, Huang GS, Andikyan V, Clark M, Ratner E, Azodi M, Schwartz PE, Burton EA, Inagaki H, Albers A, Zhang C, Bollag G, Schlessinger J, Santin AD. Uterine leiomyosarcomas harboring MAP2K4 gene amplification are sensitive in vivo to PLX8725, a novel MAP2K4 inhibitor. Gynecol Oncol 2023; 172:65-71. [PMID: 36958197 PMCID: PMC10192120 DOI: 10.1016/j.ygyno.2023.03.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 03/07/2023] [Accepted: 03/10/2023] [Indexed: 03/25/2023]
Abstract
INTRODUCTION Uterine leiomyosarcomas (uLMS) are rare, highly aggressive tumors. Up to 30% of uLMS may harbor gain of function (GOF) in the MAP2K4 gene, important for tumor cell proliferation, differentiation and metastasis. We investigated the in vivo activity of a novel MAP2K4 inhibitor, PLX8725, against uLMS harboring MAP2K4 gene-amplification. METHODS Two fully characterized uLMS (i.e., LEY-11 and LEY-16) were grafted into female CB-17/SCID mice. Treatments with control vehicle or PLX8725 (50 mg/kg) were given via oral gavage daily on weekdays for up to 60 days. Tumor volume differences were calculated with two-way ANOVA. Pharmacokinetic (PK) and mechanistic studies of PLX8725 in uLMS PDX models were also performed. RESULTS Both uLMS tumors evaluated demonstrated GOF in MAP2K4 (i.e., 3 CNV in both LEY-11 and LEY-16). Tumor growth inhibition was significantly greater in both PDX LEY-11 and PDX LEY-16 treated with PLX8725 when compared to controls (p < 0.001). Median overall survival was also significantly longer in both PDX LEY-11 (p = 0.0047) and PDX LEY-16 (p = 0.0058) treatment cohorts when compared to controls. PLX8725 oral treatment was well tolerated, and PK studies demonstrated that oral PLX8725 gives extended exposure in mice. Ex vivo tumor samples after PLX8725 exposure decreased phosphorylated-ATR, JNK and p38, and increased expression of apoptotic molecules on western blot. CONCLUSION PLX8725 demonstrates promising in vivo activity against PDX models of uLMS harboring GOF alterations in the MAP2K4 gene with tolerable toxicity. Phase I trials of PLX8725 in advanced, recurrent, chemotherapy-resistant uLMS patients are warranted.
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Affiliation(s)
- Blair McNamara
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale University School of Medicine, CT 06520, United States of America
| | - Justin Harold
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale University School of Medicine, CT 06520, United States of America
| | - Diego Manavella
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale University School of Medicine, CT 06520, United States of America
| | - Stefania Bellone
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale University School of Medicine, CT 06520, United States of America
| | - Levent Mutlu
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale University School of Medicine, CT 06520, United States of America
| | - Tobias Max Philipp Hartwich
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale University School of Medicine, CT 06520, United States of America
| | - Margherita Zipponi
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale University School of Medicine, CT 06520, United States of America
| | - Yang Yang-Hartwich
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale University School of Medicine, CT 06520, United States of America
| | - Cem Demirkiran
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale University School of Medicine, CT 06520, United States of America
| | - Miguel Skyler Z Verzosa
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale University School of Medicine, CT 06520, United States of America
| | - Kevin Yang
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale University School of Medicine, CT 06520, United States of America
| | - Jungmin Choi
- Department of Biomedical Sciences, Korea University College of Medicine, 02841 Seoul, Republic of Korea
| | - Weilai Dong
- Department of Genetics, Yale University School of Medicine, New Haven, CT 06510, United States of America
| | - Natalia Buza
- Department of Pathology, Yale University School of Medicine, New Haven, CT 06510, United States of America
| | - Pei Hui
- Department of Pathology, Yale University School of Medicine, New Haven, CT 06510, United States of America
| | - Gary Altwerger
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale University School of Medicine, CT 06520, United States of America
| | - Gloria S Huang
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale University School of Medicine, CT 06520, United States of America
| | - Vaagn Andikyan
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale University School of Medicine, CT 06520, United States of America
| | - Mitchell Clark
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale University School of Medicine, CT 06520, United States of America
| | - Elena Ratner
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale University School of Medicine, CT 06520, United States of America
| | - Masoud Azodi
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale University School of Medicine, CT 06520, United States of America
| | - Peter E Schwartz
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale University School of Medicine, CT 06520, United States of America
| | | | - Hiroaki Inagaki
- Plexxikon Inc., South San Francisco, CA 94080, United States of America
| | - Aaron Albers
- Plexxikon Inc., South San Francisco, CA 94080, United States of America
| | - Chao Zhang
- Plexxikon Inc., South San Francisco, CA 94080, United States of America
| | - Gideon Bollag
- Plexxikon Inc., South San Francisco, CA 94080, United States of America
| | - Joseph Schlessinger
- Department of Pharmacology, Yale University School of Medicine, CT 06520, United States of America
| | - Alessandro D Santin
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale University School of Medicine, CT 06520, United States of America.
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Benvenuto M, Angiolini V, Focaccetti C, Nardozi D, Palumbo C, Carrano R, Rufini A, Bei R, Miele MT, Mancini P, Barillari G, Cirone M, Ferretti E, Tundo GR, Mutti L, Masuelli L, Bei R. Antitumoral effects of Bortezomib in malignant mesothelioma: evidence of mild endoplasmic reticulum stress in vitro and activation of T cell response in vivo. Biol Direct 2023; 18:17. [PMID: 37069690 PMCID: PMC10111665 DOI: 10.1186/s13062-023-00374-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 04/11/2023] [Indexed: 04/19/2023] Open
Abstract
BACKGROUND Malignant mesothelioma (MM) is a rare tumor with a dismal prognosis. The low efficacy of current treatment options highlights the urge to identify more effective therapies aimed at improving MM patients' survival. Bortezomib (Bor) is a specific and reversible inhibitor of the chymotrypsin-like activity of the 20S core of the proteasome, currently approved for the treatment of multiple myeloma and mantle cell lymphoma. On the other hand, Bor appears to have limited clinical effects on solid tumors, because of its low penetration and accumulation into tumor tissues following intravenous administration. These limitations could be overcome in MM through intracavitary delivery, with the advantage of increasing local drug concentration and decreasing systemic toxicity. METHODS In this study, we investigated the effects of Bor on cell survival, cell cycle distribution and modulation of apoptotic and pro-survival pathways in human MM cell lines of different histotypes cultured in vitro. Further, using a mouse MM cell line that reproducibly forms ascites when intraperitoneally injected in syngeneic C57BL/6 mice, we investigated the effects of intraperitoneal Bor administration in vivo on both tumor growth and the modulation of the tumor immune microenvironment. RESULTS We demonstrate that Bor inhibited MM cell growth and induced apoptosis. Further, Bor activated the Unfolded Protein Response, which however appeared to participate in lowering cells' sensitivity to the drug's cytotoxic effects. Bor also affected the expression of EGFR and ErbB2 and the activation of downstream pro-survival signaling effectors, including ERK1/2 and AKT. In vivo, Bor was able to suppress MM growth and extend mice survival. The Bor-mediated delay of tumor progression was sustained by increased activation of T lymphocytes recruited to the tumor microenvironment. CONCLUSIONS The results presented herein support the use of Bor in MM and advocate future studies aimed at defining the therapeutic potential of Bor and Bor-based combination regimens for this treatment-resistant, aggressive tumor.
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Affiliation(s)
- Monica Benvenuto
- Department of Clinical Sciences and Translational Medicine, University of Rome "Tor Vergata", Rome, Italy
- Saint Camillus International, University of Health and Medical Sciences, Rome, Italy
| | - Valentina Angiolini
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Chiara Focaccetti
- Department of Clinical Sciences and Translational Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - Daniela Nardozi
- Department of Clinical Sciences and Translational Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - Camilla Palumbo
- Department of Clinical Sciences and Translational Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - Raffaele Carrano
- Department of Clinical Sciences and Translational Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - Alessandra Rufini
- Saint Camillus International, University of Health and Medical Sciences, Rome, Italy
- Department of Biomedicine and Prevention, University of Rome "Tor Vergata", Rome, Italy
| | - Riccardo Bei
- Medical School, University of Rome "Tor Vergata", Rome, Italy
| | - Martino Tony Miele
- Department of Experimental Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - Patrizia Mancini
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Giovanni Barillari
- Department of Clinical Sciences and Translational Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - Mara Cirone
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Elisabetta Ferretti
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Grazia Raffaella Tundo
- Department of Clinical Sciences and Translational Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - Luciano Mutti
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy
- Center for Biotechnology, Sbarro Institute for Cancer Research and Molecular Medicine, College of Science and Technology, Temple University, Philadelphia, PA, USA
| | - Laura Masuelli
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Roberto Bei
- Department of Clinical Sciences and Translational Medicine, University of Rome "Tor Vergata", Rome, Italy.
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8
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Piasna-Słupecka E, Leszczyńska T, Drozdowska M, Dziadek K, Domagała B, Domagała D, Koronowicz A. Young Shoots of Red Beet and the Root at Full Maturity Inhibit Proliferation and Induce Apoptosis in Breast Cancer Cell Lines. Int J Mol Sci 2023; 24:ijms24086889. [PMID: 37108053 PMCID: PMC10138517 DOI: 10.3390/ijms24086889] [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: 02/28/2023] [Revised: 03/29/2023] [Accepted: 03/31/2023] [Indexed: 04/29/2023] Open
Abstract
Modern medicine is struggling with the problem of fully effective treatment of neoplastic diseases despite deploying innovative chemotherapeutic agents. Therefore, undertaking cancer-prevention measures, such as proper eating habits, should be strongly recommended. The present research aimed to compare the effects of juice from young shoots of beetroot compared to juice from root at full maturity on human breast cancer and normal cells. The juice from young shoots, both in the native and digested form, was most often a significantly stronger inhibitor of the proliferation of both analyzed breast cancer cell lines (MCF-7 and MDA-MB-231), compared to the native and digested juice from red beetroot. Regardless of juice type, a significantly greater reduction was most often shown in the proliferation of estrogen-dependent cells (MCF-7 line) than of estrogen-independent cells (MDA-MB-231 line). All analyzed types of beetroot juice and, in particular, the ones from young shoots and the root subjected to digestion and absorption, exerted an antiproliferative and apoptotic effect (pinpointing the internal apoptosis pathway) on the cells of both cancer lines studied. There is a need to continue the research to comprehensively investigate the factors responsible for both these effects.
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Affiliation(s)
- Ewelina Piasna-Słupecka
- Department of Human Nutrition and Dietetics, Faculty of Food Technology, University of Agriculture in Krakow, Balicka 122, 31-149 Krakow, Poland
| | - Teresa Leszczyńska
- Department of Human Nutrition and Dietetics, Faculty of Food Technology, University of Agriculture in Krakow, Balicka 122, 31-149 Krakow, Poland
| | - Mariola Drozdowska
- Department of Human Nutrition and Dietetics, Faculty of Food Technology, University of Agriculture in Krakow, Balicka 122, 31-149 Krakow, Poland
| | - Kinga Dziadek
- Department of Human Nutrition and Dietetics, Faculty of Food Technology, University of Agriculture in Krakow, Balicka 122, 31-149 Krakow, Poland
| | - Barbara Domagała
- Department of Horticulture, Faculty of Biotechnology and Horticulture, University of Agriculture in Krakow, Al. 29 Listopada 54, 31-425 Krakow, Poland
| | - Dominik Domagała
- Department of Human Nutrition and Dietetics, Faculty of Food Technology, University of Agriculture in Krakow, Balicka 122, 31-149 Krakow, Poland
| | - Aneta Koronowicz
- Department of Human Nutrition and Dietetics, Faculty of Food Technology, University of Agriculture in Krakow, Balicka 122, 31-149 Krakow, Poland
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Greene ES, Maynard C, Mullenix G, Bedford M, Dridi S. Potential role of endoplasmic reticulum stress in broiler woody breast myopathy. Am J Physiol Cell Physiol 2023; 324:C679-C693. [PMID: 36717103 DOI: 10.1152/ajpcell.00275.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Although broiler (meat-type) chickens are one of the most efficient protein sources that supports the livelihoods and food security of billions of people worldwide, they are facing several challenges. Due to its unknown etiology and heavy economic impact, woody breast (WB) myopathy is one of the most challenging problems facing the poultry industry, and for which there is no effective solution. Here, using a primary chicken myotube culture model, we show that hypoxia and endoplasmic reticulum (ER) stress are an integral component of the etiology of the myopathy. Multiple components of the ER stress response are significantly upregulated in WB as compared with normal muscle, and this response was mimicked by hypoxic conditions in chicken primary myotube culture. In addition, apoptotic pathways were activated as indicated by increases in active caspase 3 protein levels in both WB-affected tissues and hypoxic myotube culture, and caspase 3 activity and apoptosis in hypoxic myotube culture. Finally, as a phenotypic hallmark of WB is enhanced fibrosis and increased collagen aggregation, here, we show that hypoxic conditions increase collagen 1A1 and 1A2 gene expression, as well as collagen 1 protein levels in primary myotubes. These effects were partially reversed by tauroursodeoxycholic acid (TUDCA), an ER-stress inhibitor, in myotube culture. Taken together, these findings indicate that hypoxia and ER stress are present in WB, hypoxia can upregulate the cell death arm of the unfolded protein response (UPR) and lead to collagen production in a culture model of WB. This opens new vistas for potential mechanistic targets for future effective interventions to mitigate this myopathy.
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Affiliation(s)
- Elizabeth S Greene
- Center of Excellence for Poultry Science, Division of Agriculture, University of Arkansas, Fayetteville, Arkansas, United States
| | - Clay Maynard
- Center of Excellence for Poultry Science, Division of Agriculture, University of Arkansas, Fayetteville, Arkansas, United States
| | - Garrett Mullenix
- Center of Excellence for Poultry Science, Division of Agriculture, University of Arkansas, Fayetteville, Arkansas, United States
| | | | - Sami Dridi
- Center of Excellence for Poultry Science, Division of Agriculture, University of Arkansas, Fayetteville, Arkansas, United States
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10
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Zhang L, Xu W, Ma X, Sun X, Fan J, Wang Y. Virus-like Particles as Antiviral Vaccine: Mechanism, Design, and Application. BIOTECHNOL BIOPROC E 2023; 28:1-16. [PMID: 36627930 PMCID: PMC9817464 DOI: 10.1007/s12257-022-0107-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 05/17/2022] [Accepted: 05/18/2022] [Indexed: 01/09/2023]
Abstract
Virus-like particles (VLPs) are viral structural protein that are noninfectious as they do not contain viral genetic materials. They are safe and effective immune stimulators and play important roles in vaccine development because of their intrinsic immunogenicity to induce cellular and humoral immune responses. In the design of antiviral vaccine, VLPs based vaccines are appealing multifunctional candidates with the advantages such as self-assembling nanoscaled structures, repetitive surface epitopes, ease of genetic and chemical modifications, versatility as antigen presenting platforms, intrinsic immunogenicity, higher safety profile in comparison with live-attenuated vaccines and inactivated vaccines. In this review, we discuss the mechanism of VLPs vaccine inducing cellular and humoral immune responses. We outline the impact of size, shape, surface charge, antigen presentation, genetic and chemical modification, and expression systems when constructing effective VLPs based vaccines. Recent applications of antiviral VLPs vaccines and their clinical trials are summarized.
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Affiliation(s)
- Lei Zhang
- Xi'an Key Laboratory of Pathogenic Microorganism and Tumor Immunity, Department of Basic Medicine, Xi'an Medical University, Xi'an, 710021, Shaanxi China
| | - Wen Xu
- Xi'an Key Laboratory of Pathogenic Microorganism and Tumor Immunity, Department of Basic Medicine, Xi'an Medical University, Xi'an, 710021, Shaanxi China
| | - Xi Ma
- Xi'an Key Laboratory of Pathogenic Microorganism and Tumor Immunity, Department of Basic Medicine, Xi'an Medical University, Xi'an, 710021, Shaanxi China
| | - XiaoJing Sun
- Xi'an Key Laboratory of Pathogenic Microorganism and Tumor Immunity, Department of Basic Medicine, Xi'an Medical University, Xi'an, 710021, Shaanxi China
| | - JinBo Fan
- Xi'an Key Laboratory of Pathogenic Microorganism and Tumor Immunity, Department of Basic Medicine, Xi'an Medical University, Xi'an, 710021, Shaanxi China
| | - Yang Wang
- Xi'an Key Laboratory of Pathogenic Microorganism and Tumor Immunity, Department of Basic Medicine, Xi'an Medical University, Xi'an, 710021, Shaanxi China
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11
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Jia S, Wilbourne J, Crossen MJ, Zhao F. Morphogenesis of the female reproductive tract along antero-posterior and dorso-ventral axes is dependent on Amhr2+ mesenchyme in mice†. Biol Reprod 2022; 107:1477-1489. [PMID: 36130202 PMCID: PMC9752753 DOI: 10.1093/biolre/ioac179] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 08/11/2022] [Accepted: 09/15/2022] [Indexed: 12/24/2022] Open
Abstract
Morphogenesis of the female reproductive tract is regulated by the mesenchyme. However, the identity of the mesenchymal lineage that directs the morphogenesis of the female reproductive tract has not been determined. Using in vivo genetic cell ablation, we identified Amhr2+ mesenchyme as an essential mesenchymal population in patterning the female reproductive tract. After partial ablation of Amhr2+ mesenchymal cells, the oviduct failed to develop its characteristic coiling due to decreased epithelial proliferation and tubule elongation during development. The uterus displayed a reduction in size and showed decreased cellular proliferation in both epithelial and mesenchymal compartments. More importantly, in the uterus, partial ablation of Amhr2+ mesenchyme caused abnormal lumen shape and altered the direction of its long axis from the dorsal-ventral axis to the left-right axis (i.e., perpendicular to the dorsal-ventral axis). Despite these morphological defects, epithelia underwent normal differentiation into secretory and ciliated cells in the oviduct and glandular epithelial cells in the uterus. These results demonstrated that Amhr2+ mesenchyme can direct female reproductive tract morphogenesis by regulating epithelial proliferation and lumen shape without affecting the differentiation of epithelial cell types.
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Affiliation(s)
- Shuai Jia
- Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI, USA
| | - Jillian Wilbourne
- Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI, USA
| | - McKenna J Crossen
- Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI, USA
- Endocrinology and Reproductive Physiology Program, University of Wisconsin-Madison, Madison, WI, USA
| | - Fei Zhao
- Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI, USA
- Endocrinology and Reproductive Physiology Program, University of Wisconsin-Madison, Madison, WI, USA
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12
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Feng S, Yang Y, Liu Z, Chen W, Du C, Hu G, Yu S, Song P, Miao J. Intracellular bacteriolysis contributes to pathogenicity of Staphylococcus aureus by exacerbating AIM2-mediated inflammation and necroptosis. Virulence 2022; 13:1684-1696. [PMID: 36128739 PMCID: PMC9519016 DOI: 10.1080/21505594.2022.2127209] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Staphylococcus aureus can survive within phagocytes. Indeed, we confirm in this study that approximately 10% of population persists in macrophages during S. aureus infection, while the rest are eliminated due to bacteriolysis, which is of particular interest to us. Herein, we observe that the bacteriolysis is an early event accompanied by macrophage death during S. aureus infection. Furthermore, the cell death is significantly accelerated following increased intracellular bacteriolysis, indicating that intracellular bacteriolysis induces cell death. Subsequently, we establish that the cell death is not apoptosis or pyroptosis, but AIM2-mediated necroptosis, accompanied by AIM2 inflammasome activation. This finding challenges the classical model that the cell death that accompanies inflammasome activation is always pyroptosis. In addition, we observe that the apoptosis-associated genes are highly inhibited during S. aureus infection. Finally, we establish in vivo that increased bacteriolysis significantly enhances S. aureus pathogenicity by promoting its dissemination to kidney and leading to an inflammatory cytokine storm in AIM2-mediated manner. Collectively, our data demonstrate that bacteriolysis is detrimental when triggered in excess and its side effect is mediated by AIM2. Meanwhile, we propose a potential immune manipulation strategy by which S. aureus sacrifices the minority to trigger a limited necroptosis, thereby releasing signals from dead cells to inhibit apoptosis and other anti-inflammatory cascades of live cells, eventually surviving within host cells and establishing infection.
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Affiliation(s)
- Shiyuan Feng
- Ministry of Education Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China.,Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Yongjun Yang
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Zhenzhen Liu
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Wei Chen
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Chongtao Du
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Guiqiu Hu
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Shuixing Yu
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Peixuan Song
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Jinfeng Miao
- Ministry of Education Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
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13
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Nwaefulu ON, Al-Shar'i NA, Owolabi JO, Sagineedu SR, Woei LC, Wai LK, Islam MK, Jayanthi S, Stanslas J. The impact of cycleanine in cancer research: a computational study. J Mol Model 2022; 28:340. [PMID: 36194315 DOI: 10.1007/s00894-022-05326-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Accepted: 09/13/2022] [Indexed: 11/26/2022]
Abstract
Cancer is imposing a global health burden because of the steady increase in new cases. Moreover, current anticancer therapeutics are associated with many drawbacks, mainly the emergence of resistance and the severe adverse effects. Therefore, there is a continuous need for developing new anticancer agents with novel mechanisms of action and lower side effects. Natural products have been a rich source of anticancer medication. Cycleanine, a natural product, was reported to exert an antiproliferative effect on ovarian cancer cells by causing apoptosis through activation of caspases 3/7 and cleavage of poly (ADP-ribose) polymerase to form poly (ADP-ribose) polymerase-1 (PARP1). It is well-established that PARP1 is associated with carcinogenesis, and different PARP1 inhibitors are approved as anticancer drugs. In this study, the cytotoxic activity of cycleanine was computationally investigated to determine whether it is a PARP1 inhibitor or a caspase activator. Molecular docking and molecular dynamics (MD) simulations were utilized for this purpose. The results showed that cycleanine has a good binding affinity to PARP1; moreover, MD simulation showed that it forms a stable complex with the enzyme. Consequently, the results showed that cycleanine is a potential inhibitor of the PARP1 enzyme.
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Affiliation(s)
- Ogochukwu Ngozi Nwaefulu
- Pharmacotherapeutics Unit, Department of Medicine, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Nizar A Al-Shar'i
- Department of Medicinal Chemistry and Pharmacognosy, Faculty of Pharmacy, Jordan University of Science and Technology, Irbid, Jordan
| | - Josephine Omonkhelin Owolabi
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, University of Benin, Benin City, Edo State, Nigeria
| | - Sreenivasa Rao Sagineedu
- Department of Pharmaceutical Chemistry, School of Pharmacy, International Medical University, Kuala Lumpur, Malaysia
| | - Lim Chee Woei
- Pharmacotherapeutics Unit, Department of Medicine, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Lam Kok Wai
- Centre for Drug and Herbal Development, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, 50300, Kuala Lumpur, Selangor, Malaysia
| | - Mohammad Kaisarul Islam
- Pharmacotherapeutics Unit, Department of Medicine, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Sivaraman Jayanthi
- Computational Drug Design Lab, School of Bio Sciences and Technology, Vellore Institute of Technology, Vellore-632014, Tamil Nadu, India
| | - Johnson Stanslas
- Pharmacotherapeutics Unit, Department of Medicine, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Selangor, Malaysia.
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14
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Guha S, Yussif El‐Deeb I, Yadav S, Das R, Dutta Dubey K, Baruah M, Ludovic G, Sen S. Capturing a Pentacyclic Fragment‐Based Library Derived from Perophoramidine: Their Design, Synthesis and Evaluation as Anticancer Compounds by DNA Double‐Strand Breaks (DSB) and PARP‐1 Inhibition. Chemistry 2022; 28:e202202405. [DOI: 10.1002/chem.202202405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Indexed: 11/10/2022]
Affiliation(s)
- Souvik Guha
- Department of Chemistry School of Natural Sciences Shiv Nadar University, Delhi NCR
| | | | - Shalini Yadav
- Department of Chemistry School of Natural Sciences Shiv Nadar University, Delhi NCR
| | - Ranajit Das
- Department of Chemistry School of Natural Sciences Shiv Nadar University, Delhi NCR
| | | | - Mousumi Baruah
- Department of Chemistry School of Natural Sciences Shiv Nadar University, Delhi NCR
| | - Gremaud Ludovic
- School of Engineering and Architecture Institute of Chemical Technology at University of Applied Sciences and Arts of Western Mumbai, Switzerland 1700 Fribourg Switzerland
| | - Subhabrata Sen
- Department of Chemistry School of Natural Sciences Shiv Nadar University, Delhi NCR
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15
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Zhao F, Grimm SA, Jia S, Yao HHC. Contribution of the Wolffian duct mesenchyme to the formation of the female reproductive tract. PNAS NEXUS 2022; 1:pgac182. [PMID: 36204418 PMCID: PMC9523451 DOI: 10.1093/pnasnexus/pgac182] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Accepted: 09/06/2022] [Indexed: 02/05/2023]
Abstract
The female reproductive tract develops from its embryonic precursor, the Müllerian duct. In close proximity to the Müllerian duct lies the precursor for the male reproductive tract, the Wolffian duct, which is eliminated in the female embryo during sexual differentiation. We discovered that a component of the Wolffian duct, its mesenchyme, is not eliminated after sexual differentiation. Instead, the Wolffian duct mesenchyme underwent changes in transcriptome and chromatin accessibility from male tract to female tract identity, and became a unique mesenchymal population in the female reproductive tract with localization and transcriptome distinct from the mesenchyme derived from the Müllerian duct. Partial ablation of the Wolffian duct mesenchyme stunted the growth of the fetal female reproductive tract in ex vivo organ culture. These findings reveal a new fetal origin of mesenchymal tissues for female reproductive tract formation and reshape our understanding of sexual differentiation of reproductive tracts.
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Affiliation(s)
- Fei Zhao
- Reproductive Developmental Biology Group, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
| | - Sara A Grimm
- Integrative Bioinformatics Support Group, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
| | - Shua Jia
- Present address: Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin–Madison, Madison, WI 53706, USA
| | - Humphrey Hung-Chang Yao
- Reproductive Developmental Biology Group, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
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16
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Motomura K, Romero R, Galaz J, Tao L, Garcia-Flores V, Xu Y, Done B, Arenas-Hernandez M, Miller D, Gutierrez-Contreras P, Farias-Jofre M, Aras S, Grossman LI, Tarca AL, Gomez-Lopez N. Fetal and maternal NLRP3 signaling is required for preterm labor and birth. JCI Insight 2022; 7:158238. [PMID: 35993366 PMCID: PMC9462488 DOI: 10.1172/jci.insight.158238] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 07/18/2022] [Indexed: 11/17/2022] Open
Affiliation(s)
- Kenichiro Motomura
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services (NICHD/NIH/DHHS), Detroit, Michigan, USA, and Bethesda, Maryland, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, USA
| | - Roberto Romero
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services (NICHD/NIH/DHHS), Detroit, Michigan, USA, and Bethesda, Maryland, USA
- Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, Michigan, USA
- Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, Michigan, USA
- Center for Molecular Medicine and Genetics, Wayne State University, Detroit, Michigan, USA
- Detroit Medical Center, Detroit, Michigan, USA
| | - Jose Galaz
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services (NICHD/NIH/DHHS), Detroit, Michigan, USA, and Bethesda, Maryland, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, USA
- Division of Obstetrics and Gynecology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Li Tao
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services (NICHD/NIH/DHHS), Detroit, Michigan, USA, and Bethesda, Maryland, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, USA
| | - Valeria Garcia-Flores
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services (NICHD/NIH/DHHS), Detroit, Michigan, USA, and Bethesda, Maryland, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, USA
| | - Yi Xu
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services (NICHD/NIH/DHHS), Detroit, Michigan, USA, and Bethesda, Maryland, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, USA
| | - Bogdan Done
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services (NICHD/NIH/DHHS), Detroit, Michigan, USA, and Bethesda, Maryland, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, USA
| | - Marcia Arenas-Hernandez
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services (NICHD/NIH/DHHS), Detroit, Michigan, USA, and Bethesda, Maryland, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, USA
| | - Derek Miller
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services (NICHD/NIH/DHHS), Detroit, Michigan, USA, and Bethesda, Maryland, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, USA
| | - Pedro Gutierrez-Contreras
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services (NICHD/NIH/DHHS), Detroit, Michigan, USA, and Bethesda, Maryland, USA
- Division of Obstetrics and Gynecology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Marcelo Farias-Jofre
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services (NICHD/NIH/DHHS), Detroit, Michigan, USA, and Bethesda, Maryland, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, USA
- Division of Obstetrics and Gynecology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Siddhesh Aras
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services (NICHD/NIH/DHHS), Detroit, Michigan, USA, and Bethesda, Maryland, USA
- Center for Molecular Medicine and Genetics, Wayne State University, Detroit, Michigan, USA
| | - Lawrence I. Grossman
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services (NICHD/NIH/DHHS), Detroit, Michigan, USA, and Bethesda, Maryland, USA
- Center for Molecular Medicine and Genetics, Wayne State University, Detroit, Michigan, USA
| | - Adi L. Tarca
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services (NICHD/NIH/DHHS), Detroit, Michigan, USA, and Bethesda, Maryland, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, USA
- Department of Computer Science, Wayne State University College of Engineering, Detroit, Michigan, USA
| | - Nardhy Gomez-Lopez
- Perinatology Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services (NICHD/NIH/DHHS), Detroit, Michigan, USA, and Bethesda, Maryland, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, Michigan, USA
- Department of Biochemistry, Microbiology, and Immunology, Wayne State University School of Medicine, Detroit, Michigan, USA
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17
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Bell TJ, Nagel DJ, Woeller CF, Kottmann RM. Ogerin mediated inhibition of TGF-β(1) induced myofibroblast differentiation is potentiated by acidic pH. PLoS One 2022; 17:e0271608. [PMID: 35901086 PMCID: PMC9333254 DOI: 10.1371/journal.pone.0271608] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Accepted: 07/01/2022] [Indexed: 01/28/2023] Open
Abstract
Transforming growth factor beta (TGF-β) induced myofibroblast differentiation is central to the pathological scarring observed in Idiopathic Pulmonary Fibrosis (IPF) and other fibrotic diseases. Our lab has recently identified expression of GPR68 (Ovarian Cancer Gene Receptor 1, OGR1), a pH sensing G-protein coupled receptor, as a negative regulator of TGF-β induced profibrotic effects in primary human lung fibroblasts (PHLFs). We therefore hypothesized that small molecule activators of GPR68 would inhibit myofibroblast differentiation. Ogerin is a positive allosteric modulator (PAM) of GPR68, inducing a leftward shift of the dose response curve to proton induced signaling. Using PHLFs derived from patients with both non-fibrotic and IPF diagnoses, we show that Ogerin inhibits, and partially reverses TGF-β induced myofibroblast differentiation in a dose dependent manner. This occurs at the transcriptional level without inhibition of canonical TGF-β induced SMAD signaling. Ogerin induces PKA dependent CREB phosphorylation, a marker of Gαs pathway activation. The ability of Ogerin to inhibit both basal and TGF-β induced collagen gene transcription, and induction of Gαs signaling is enhanced at an acidic pH (pH 6.8). Similar findings were also found using fibroblasts derived from dermal, intestinal, and orbital tissue. The biological role of GPR68 in different tissues, cell types, and disease states is an evolving and emerging field. This work adds to the understanding of Gαs coupled GPCRs in fibrotic lung disease, the ability to harness the pH sensing properties of GPR68, and conserved mechanisms of fibrosis across different organ systems.
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Affiliation(s)
- Tyler J. Bell
- Department of Environmental Medicine Toxicology Training Program, University of Rochester School of Medicine and Dentistry, Rochester, NY, United States of America
| | - David J. Nagel
- Department of Pulmonary and Critical Care Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY, United States of America
| | - Collynn F. Woeller
- Department of Ophthalmology, University of Rochester School of Medicine and Dentistry, Rochester, NY, United States of America
| | - R. Mathew Kottmann
- Department of Pulmonary and Critical Care Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY, United States of America
- * E-mail:
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18
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Inhibition of GSDMD Activates Poly(ADP-ribosyl)ation and Promotes Myocardial Ischemia-Reperfusion Injury. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:1115749. [PMID: 35783187 PMCID: PMC9249530 DOI: 10.1155/2022/1115749] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 04/03/2022] [Accepted: 04/15/2022] [Indexed: 12/21/2022]
Abstract
The precise control of cardiomyocyte viability is imperative to combat myocardial ischemia-reperfusion injury (I/R), in which apoptosis and pyroptosis putatively contribute to the process. Recent researches indicated that GSDMD is involved in I/R as an executive protein of pyroptosis. However, its effect on other forms of cell death is unclear. We identified that GSDMD and GSDMD-N levels were significantly upregulated in the I/R myocardium of mice. Knockout of GSDMD conferred the resistance of the hearts to reperfusion injury in the acute phase of I/R but aggravated reperfusion injury in the chronic phase of I/R. Mechanistically, GSDMD deficiency induced the activation of PARylation and the consumption of NAD+ and ATP, leading to cardiomyocyte apoptosis. Moreover, PJ34, a putative PARP-1 inhibitor, reduced the myocardial injury caused by GSDMD deficiency. Our results reveal a novel action modality of GSDMD in the regulation of cardiomyocyte death; inhibition of GSDMD activates PARylation, suggesting the multidirectional role of GSDMD in I/R and providing a new theory for clinical treatment.
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19
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Isorhapontigenin Modulates SOX9/TOLLIP Expression to Attenuate Cell Apoptosis and Oxidative Stress in Paraquat-Induced Acute Kidney Injury. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:3328623. [PMID: 35720190 PMCID: PMC9203234 DOI: 10.1155/2022/3328623] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 05/07/2022] [Indexed: 11/18/2022]
Abstract
Paraquat (PQ) is a widely used herbicide but can be lethal to humans. The kidney is vital for PQ elimination; therefore, explorations for therapeutic approaches for PQ-induced acute kidney injury (AKI) are of great significance. Here, the effects of a natural bioactive polyphenol isorhapontigenin (ISO) on PQ-AKI were investigated. In vitro experiments carried out in PQ-intoxicated rat renal tubular epithelial cells (NRK-52E) showed that ISO treatment inhibited PQ-induced cell apoptosis and oxidative stress, which was evidenced by the decreased proapoptotic proteins [cleaved caspase 3/9 and poly (ADP-ribose) polymerase (PARP)], the reduced oxidative stress indicators [reactive oxygen species (ROS), malondialdehyde (MDA), and lactate dehydrogenase (LDH) leakage], and the increased antioxidants [superoxide dismutase (SOD), nuclear factor E2-related factor 2 (NRF2), and oxygenase-1 (HO-1)]. Furthermore, 50 mg/kg ISO pretreatment before PQ administration significantly attenuated PQ-AKI in rats, as manifested by the improved renal tubule damage, the reduced serum and urine markers of kidney injury, and the inhibited cell apoptosis and oxidative stress in the renal cortex. Furthermore, expression of sex-determining region Y box 9 (SOX9) and Toll-interacting protein (TOLLIP) in NRK-52E cells and the renal cortex was significantly upregulated after ISO treatment. Overexpression of SOX9 increased TOLLIP transcription and attenuated PQ-induced apoptosis and oxidative stress, whereas knockdown of SOX9 impaired the protective effects of ISO on NRK-52E cells against PQ toxicity. In conclusion, the present study demonstrated that ISO modulated SOX9/TOLLIP expression to attenuate cell apoptosis and oxidative stress in PQ-AKI, suggesting the potential of ISO in treating PQ-poisoned patients.
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Neuroprotective Effects of Nicotinamide (Vitamin B3) on Neurodegeneration in Diabetic Rat Retinas. Nutrients 2022; 14:nu14061162. [PMID: 35334819 PMCID: PMC8950738 DOI: 10.3390/nu14061162] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 03/03/2022] [Accepted: 03/07/2022] [Indexed: 01/27/2023] Open
Abstract
The loss of inner retinal neurons is an initial event in diabetic retinopathy. In diabetic retinas, oxidative stress is increased, which could lead to increased oxidative DNA damage. Nicotinamide is a precursor to nicotinamide adenine dinucleotide, which contributes to the DNA damage response. We investigated whether nicotinamide plays a neuroprotective role in diabetic retinal neurodegeneration in terms of DNA repair. Male Sprague Dawley rats with streptozotocin-induced diabetes were orally administered nicotinamide (500 mg/kg/day) for 4 or 12 weeks. Oxidative stress exhibited by dihydroethidium was upregulated at 4 and 12 weeks after onset of diabetes, and nicotinamide treatment reduced oxidative stress at 4 weeks after induction of diabetes. Oxidative DNA damage measured by 8-hydroxy-2′-deoxyguanosine (8-OHdG) increased at 4 and 12 weeks after induction of diabetes and decreased following nicotinamide treatment. The elevated expression of glial fibrillary acidic protein (GFAP) induced by diabetes was attenuated by nicotinamide treatment. In Western blot analysis, the increased expression of cleaved PARP-1 in diabetes was attenuated by nicotinamide treatment at 12 weeks after induction of diabetes. The diabetes-induced apoptosis of inner retinal cells detected by the TUNEL assay was reduced by nicotinamide treatment. In conclusion, nicotinamide attenuated retinal neurodegeneration in diabetes, probably by reducing oxidative DNA damage and supporting DNA repair.
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21
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Zhang R, Ozgen S, Luo H, Krigman J, Zhao Y, Xin G, Sun N. The Mitochondrial Deubiquitinase USP30 Regulates AKT/mTOR Signaling. Front Pharmacol 2022; 13:816551. [PMID: 35250566 PMCID: PMC8891576 DOI: 10.3389/fphar.2022.816551] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 01/24/2022] [Indexed: 12/13/2022] Open
Abstract
Mitophagy is an intracellular mechanism to maintain mitochondrial health by removing dysfunctional mitochondria. The E3 ligase Parkin ubiquitinates the membrane proteins on targeted mitochondria to initiate mitophagy, whereas USP30 antagonizes Parkin-dependent mitophagy by removing ubiquitin from Parkin substrates. The AKT/mTOR signaling is a master regulator of cell proliferation, differentiation, apoptosis, and autophagy. Although mounting evidence suggests that perturbations in the AKT/mTOR signaling pathway may contribute to mitophagy regulation, the specific mechanisms between Parkin/USP30 and AKT/mTOR signaling have not been elucidated. In this study, we employ a set of genetic reagents to investigate the role of Parkin and USP30 in regulating the AKT/mTOR signaling during mitophagy. We demonstrated that, in the setting of mitochondrial stress, the AKT/mTOR signaling is regulated, at least in part, by the activity of Parkin and USP30. Parkin inhibits AKT/mTOR signaling following an in vitro mitochondrial stress, thereby promoting apoptosis. However, USP30 overexpression antagonizes the activity of Parkin to sustain AKT/mTOR activity and inhibit apoptosis. These findings provide new insights into Parkin and USP30’s role in apoptosis and suggest that inhibiting USP30 might provide a specific strategy to synergize with AKT/mTOR inhibitors in cancer treatment.
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Affiliation(s)
- Ruohan Zhang
- Department of Physiology and Cell Biology, The Ohio State University Wexner Medical Center, Columbus, OH, United States
- Division of Pharmaceutics and Pharmacology, The Ohio State University College of Pharmacy, Columbus, OH, United States
| | - Serra Ozgen
- Department of Physiology and Cell Biology, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Hongke Luo
- Department of Physiology and Cell Biology, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Judith Krigman
- Department of Physiology and Cell Biology, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Yutong Zhao
- Department of Physiology and Cell Biology, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Gang Xin
- Pelotonia Institute for Immuno-Oncology, The Ohio State University Comprehensive Cancer Center, Columbus, OH, United States
| | - Nuo Sun
- Department of Physiology and Cell Biology, The Ohio State University Wexner Medical Center, Columbus, OH, United States
- *Correspondence: Nuo Sun,
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22
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Meza-Sosa KF, Miao R, Navarro F, Zhang Z, Zhang Y, Hu JJ, Hartford CCR, Li XL, Pedraza-Alva G, Pérez-Martínez L, Lal A, Wu H, Lieberman J. SPARCLE, a p53-induced lncRNA, controls apoptosis after genotoxic stress by promoting PARP-1 cleavage. Mol Cell 2022; 82:785-802.e10. [PMID: 35104452 PMCID: PMC10392910 DOI: 10.1016/j.molcel.2022.01.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 01/04/2022] [Accepted: 01/04/2022] [Indexed: 01/01/2023]
Abstract
p53, master transcriptional regulator of the genotoxic stress response, controls cell-cycle arrest and apoptosis following DNA damage. Here, we identify a p53-induced lncRNA suicidal PARP-1 cleavage enhancer (SPARCLE) adjacent to miR-34b/c required for p53-mediated apoptosis. SPARCLE is a ∼770-nt, nuclear lncRNA induced 1 day after DNA damage. Despite low expression (<16 copies/cell), SPARCLE deletion increases DNA repair and reduces DNA-damage-induced apoptosis as much as p53 deficiency, while its overexpression restores apoptosis in p53-deficient cells. SPARCLE does not alter gene expression. SPARCLE binds to PARP-1 with nanomolar affinity and causes apoptosis by acting as a caspase-3 cofactor for PARP-1 cleavage, which separates PARP-1's N-terminal (NT) DNA-binding domain from its catalytic domains. NT-PARP-1 inhibits DNA repair. Expressing NT-PARP-1 in SPARCLE-deficient cells increases unrepaired DNA damage and restores apoptosis after DNA damage. Thus, SPARCLE enhances p53-induced apoptosis by promoting PARP-1 cleavage, which interferes with DNA-damage repair.
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Affiliation(s)
- Karla F Meza-Sosa
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA 02115, USA; Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA; Laboratorio de Neuroinmunobiología, Departamento de Medicina Molecular y Bioprocesos, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, MOR 62210, México.
| | - Rui Miao
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA 02115, USA; Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA
| | - Francisco Navarro
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA 02115, USA; Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA; Bluebird Bio, Cambridge, MA 02142, USA
| | - Zhibin Zhang
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA 02115, USA; Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA
| | - Ying Zhang
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA 02115, USA; Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA
| | - Jun Jacob Hu
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA 02115, USA; Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA
| | - Corrine Corrina R Hartford
- Regulatory RNAs and Cancer Section, Genetics Branch, Center for Cancer Research (CCR), National Cancer Institute (NCI), National Institutes of Health (NIH), Bethesda, MD 20895, USA
| | - Xiao Ling Li
- Regulatory RNAs and Cancer Section, Genetics Branch, Center for Cancer Research (CCR), National Cancer Institute (NCI), National Institutes of Health (NIH), Bethesda, MD 20895, USA
| | - Gustavo Pedraza-Alva
- Laboratorio de Neuroinmunobiología, Departamento de Medicina Molecular y Bioprocesos, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, MOR 62210, México
| | - Leonor Pérez-Martínez
- Laboratorio de Neuroinmunobiología, Departamento de Medicina Molecular y Bioprocesos, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, MOR 62210, México
| | - Ashish Lal
- Regulatory RNAs and Cancer Section, Genetics Branch, Center for Cancer Research (CCR), National Cancer Institute (NCI), National Institutes of Health (NIH), Bethesda, MD 20895, USA
| | - Hao Wu
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA 02115, USA; Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA
| | - Judy Lieberman
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA 02115, USA; Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA.
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23
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Xu J, Xiao X, Yan B, Yuan Q, Dong X, Du Q, Zhang J, Shan L, Ding Z, Zhou L, Efferth T. Green tea-derived theabrownin induces cellular senescence and apoptosis of hepatocellular carcinoma through p53 signaling activation and bypassed JNK signaling suppression. Cancer Cell Int 2022; 22:39. [PMID: 35078476 PMCID: PMC8788116 DOI: 10.1186/s12935-022-02468-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 01/13/2022] [Indexed: 01/07/2023] Open
Abstract
Abstract
Background
Theabrownin (TB) is a bioactive component of tea and has been reported to exert effects against many human cancers, but its efficacy and mechanism on hepatocellular carcinoma (HCC) with different p53 genotypes remains unclarified.
Methods
MTT assay, DAPI staining, flow cytometry and SA-β-gal staining were applied to evaluate the effects of TB on HCC cells. Quantitative real time PCR (qPCR) and Western blot (WB) were conducted to explore the molecular mechanism of TB. A xenograft model of zebrafish was established to evaluate the anti-tumor effect of TB.
Results
MTT assays showed that TB significantly inhibited the proliferation of SK-Hep-1, HepG2, and Huh7 cells in a dose-dependent manner, of which SK-Hep-1 was the most sensitive one with the lowest IC50 values. The animal data showed that TB remarkably suppressed SK-Hep-1 tumor growth in xenograft model of zebrafish. The cellular data showed TB's pro-apoptotic and pro-senescent effect on SK-Hep-1 cells. The molecular results revealed the mechanism of TB that p53 signaling pathway (p-ATM, p-ATR, γ-H2AX, p-Chk2, and p-p53) was activated with up-regulation of downstream senescent genes (P16, P21, IL-6 and IL-8) as well as apoptotic genes (Bim, Bax and PUMA) and proteins (Bax, c-Casp9 and c-PARP). The p53-mediated mechanism was verified by using p53-siRNA. Moreover, by using JNK-siRNA, we found JNK as a bypass regulator in TB's mechanism.
Conclusions
To sum up, TB exerted tumor-inhibitory, pro-senescent and pro-apoptotic effects on SK-Hep-1 cells through ATM-Chk2-p53 signaling axis in accompany with JNK bypass regulation. This is the first report on the pro-senescent effect and multi-target (p53 and JNK) mechanism of TB on HCC cells, providing new insights into the underlying mechanisms of TB's anti-HCC efficacy.
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24
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Chen Q, Ma K, Liu X, Chen SH, Li P, Yu Y, Leung AKL, Yu X. Truncated PARP1 mediates ADP-ribosylation of RNA polymerase III for apoptosis. Cell Discov 2022; 8:3. [PMID: 35039483 PMCID: PMC8764063 DOI: 10.1038/s41421-021-00355-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 11/09/2021] [Indexed: 11/18/2022] Open
Abstract
Caspase-mediated cleavage of PARP1 is a surrogate marker for apoptosis. However, the biological significance of PARP1 cleavage during apoptosis is still unclear. Here, using unbiased protein affinity purification, we show that truncated PARP1 (tPARP1) recognizes the RNA polymerase III (Pol III) complex in the cytosol. tPARP1 mono-ADP-ribosylates RNA Pol III in vitro and mediates ADP-ribosylation of RNA Pol III during poly(dA-dT)-stimulated apoptosis in cells. tPARP1-mediated activation of RNA Pol III facilitates IFN-β production and apoptosis. In contrast, suppression of PARP1 or expressing the non-cleavable form of PARP1 impairs these molecular events. Taken together, these studies reveal a novel biological role of tPARP1 during cytosolic DNA-induced apoptosis.
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Affiliation(s)
- Qian Chen
- Department of Cancer Genetics and Epigenetics, Beckman Research Institute, City of Hope Medical Center, Duarte, CA, USA.
| | - Kai Ma
- Department of Cancer Genetics and Epigenetics, Beckman Research Institute, City of Hope Medical Center, Duarte, CA, USA
| | - Xiuhua Liu
- College of Life Sciences, Hebei University, Baoding, Hebei, China
| | - Shih-Hsun Chen
- Institute of Biochemical Sciences, National Taiwan University, Taipei, Taiwan, China
| | - Peng Li
- Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Yonghao Yu
- Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Anthony K L Leung
- Department of Biochemistry and Molecular Biology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA.,Department of Molecular Biology and Genetics, School of Medicine, Johns Hopkins University, Baltimore, MD, USA.,Department of Oncology, School of Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Xiaochun Yu
- Department of Cancer Genetics and Epigenetics, Beckman Research Institute, City of Hope Medical Center, Duarte, CA, USA. .,Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou, Zhejiang, China. .,School of Life Sciences, Westlake University, Hangzhou, Zhejiang, China. .,Institute of Basic Medical Sciences, Westlake Institute for Advanced Study, Hangzhou, Zhejiang, China.
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25
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Finelli R, Moreira BP, Alves MG, Agarwal A. Unraveling the Molecular Impact of Sperm DNA Damage on Human Reproduction. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1358:77-113. [DOI: 10.1007/978-3-030-89340-8_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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26
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Błażejowska E, Urbanowicz T, Gąsecka A, Olasińska-Wiśniewska A, Jaguszewski MJ, Targoński R, Szarpak Ł, Filipiak KJ, Perek B, Jemielity M. Diagnostic and Prognostic Value of miRNAs after Coronary Artery Bypass Grafting: A Review. BIOLOGY 2021; 10:1350. [PMID: 34943265 PMCID: PMC8698870 DOI: 10.3390/biology10121350] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 12/09/2021] [Accepted: 12/16/2021] [Indexed: 12/23/2022]
Abstract
MiRNAs are noncoding, 21-24 nucleotide-long RNA particles that control over 60% of genes. MiRNAs affect gene expression through binding to the 3'-untranslated region of messenger RNA (mRNA), thus inhibiting mRNA translation or inducing mRNA degradation. MiRNAs have been associated with various cardiovascular diseases, including heart failure, hypertension, left ventricular hypertrophy, or ischemic heart disease. In addition, miRNA expression alters during coronary artery bypass grafting (CABG) surgery, which could be used to predict perioperative outcomes. CABG is an operation in which complex coronary arteries stenosis is treated by bypassing atherosclerotic lesions with venous or arterial grafts. Despite a very low perioperative mortality rate and excellent long-term survival, CABG is associated with postoperative complications, including reperfusion injury, graft failure, atrial fibrillation and perioperative myocardial infarction. So far, no reliable diagnostic and prognostic tools to predict prognosis after CABG have been developed. Changes in the perioperative miRNA expression levels could improve the diagnosis of post-CABG myocardial infarction and atrial fibrillation and could be used to stratify risk after CABG. Herein, we describe the expression changes of different subtypes of miRNAs during CABG and review the diagnostic and prognostic utility of miRNAs in patients undergoing CABG.
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Affiliation(s)
- Ewelina Błażejowska
- 1st Chair and Department of Cardiology, Medical University of Warsaw, 02-091 Warsaw, Poland;
| | - Tomasz Urbanowicz
- Cardiac Surgery and Transplantology Department, Poznan University of Medical Sciences, 61-701 Poznan, Poland; (T.U.); (A.O.-W.); (B.P.); (M.J.)
| | - Aleksandra Gąsecka
- 1st Chair and Department of Cardiology, Medical University of Warsaw, 02-091 Warsaw, Poland;
| | - Anna Olasińska-Wiśniewska
- Cardiac Surgery and Transplantology Department, Poznan University of Medical Sciences, 61-701 Poznan, Poland; (T.U.); (A.O.-W.); (B.P.); (M.J.)
| | - Miłosz J. Jaguszewski
- 1st Department of Cardiology, Medical University of Gdansk, 80-211 Gdansk, Poland; (M.J.J.); (R.T.)
| | - Radosław Targoński
- 1st Department of Cardiology, Medical University of Gdansk, 80-211 Gdansk, Poland; (M.J.J.); (R.T.)
| | - Łukasz Szarpak
- Department of Clinical Sciences, Maria Sklodowska-Curie Medical Academy, 03-411 Warsaw, Poland; (Ł.S.); (K.J.F.)
| | - Krzysztof J. Filipiak
- Department of Clinical Sciences, Maria Sklodowska-Curie Medical Academy, 03-411 Warsaw, Poland; (Ł.S.); (K.J.F.)
| | - Bartłomiej Perek
- Cardiac Surgery and Transplantology Department, Poznan University of Medical Sciences, 61-701 Poznan, Poland; (T.U.); (A.O.-W.); (B.P.); (M.J.)
| | - Marek Jemielity
- Cardiac Surgery and Transplantology Department, Poznan University of Medical Sciences, 61-701 Poznan, Poland; (T.U.); (A.O.-W.); (B.P.); (M.J.)
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27
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Martens MD, Karch J, Gordon JW. The molecular mosaic of regulated cell death in the cardiovascular system. Biochim Biophys Acta Mol Basis Dis 2021; 1868:166297. [PMID: 34718119 DOI: 10.1016/j.bbadis.2021.166297] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 10/07/2021] [Accepted: 10/22/2021] [Indexed: 12/11/2022]
Abstract
Cell death is now understood to be a highly regulated process that contributes to normal development and tissue homeostasis, alongside its role in the etiology of various pathological conditions. Through detailed molecular analysis, we have come to know that all cells do not always die in the same way, and that there are at least 7 processes involved, including: apoptosis, mitochondrial permeability transition (MPT)-driven necrosis, necroptosis, ferroptosis, pyroptosis, parthanatos, and autophagy-mediated cell death. These processes act as pieces in the mosaic of cardiomyocyte cell death, which come together depending on context and stimulus. This review details each individual process, as well as highlights how they come together to produce various cardiac pathologies. By knowing how the pieces go together we can aim towards the development of efficacious therapeutics, which will enable us to prevent cardiomyocyte loss in the face of stress, both reducing mortality and improving quality of life.
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Affiliation(s)
- Matthew D Martens
- Department of Human Anatomy and Cell Science, Rady Faculty of Health Science, University of Manitoba, Winnipeg, Manitoba, Canada; The Diabetes Research Envisioned and Accomplished in Manitoba (DREAM) Theme of the Children's Hospital Research Institute of Manitoba, Canada
| | - Jason Karch
- Department of Molecular Physiology and Biophysics, Cardiovascular Research Institute, Baylor College of Medicine, Houston, TX, United States
| | - Joseph W Gordon
- Department of Human Anatomy and Cell Science, Rady Faculty of Health Science, University of Manitoba, Winnipeg, Manitoba, Canada; College of Nursing, Rady Faculty of Health Science, University of Manitoba, Winnipeg, Manitoba, Canada; The Diabetes Research Envisioned and Accomplished in Manitoba (DREAM) Theme of the Children's Hospital Research Institute of Manitoba, Canada.
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28
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Stock AJ, Liu Y. NAD-Linked Metabolism and Intervention in Short Telomere Syndromes and Murine Models of Telomere Dysfunction. FRONTIERS IN AGING 2021; 2:785171. [PMID: 35822010 PMCID: PMC9261345 DOI: 10.3389/fragi.2021.785171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 10/14/2021] [Indexed: 11/29/2022]
Abstract
Telomeres are specialized nucleoprotein structures that form protective caps at the ends of chromosomes. Short telomeres are a hallmark of aging and a principal defining feature of short telomere syndromes, including dyskeratosis congenita (DC). Emerging evidence suggests a crucial role for critically short telomere-induced DNA damage signaling and mitochondrial dysfunction in cellular dysfunction in DC. A prominent factor linking nuclear DNA damage and mitochondrial homeostasis is the nicotinamide adenine dinucleotide (NAD) metabolite. Recent studies have demonstrated that patients with DC and murine models with critically short telomeres exhibit lower NAD levels, and an imbalance in the NAD metabolome, including elevated CD38 NADase and reduced poly (ADP-ribose) polymerase and SIRT1 activities. CD38 inhibition and/or supplementation with NAD precursors reequilibrate imbalanced NAD metabolism and alleviate mitochondrial impairment, telomere DNA damage, telomere dysfunction-induced DNA damage signaling, and cellular growth retardation in primary fibroblasts derived from DC patients. Boosting NAD levels also ameliorate chemical-induced liver fibrosis in murine models of telomere dysfunction. These findings underscore the relevance of NAD dysregulation to telomeropathies and demonstrate how NAD interventions may prove to be effective in combating cellular and organismal defects that occur in short telomere syndromes.
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29
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Mehanna S, Mansour N, Daher CF, Elias MG, Dagher C, Khnayzer RS. Drug-free phototherapy of superficial tumors: White light at the end of the tunnel. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2021; 224:112324. [PMID: 34619435 DOI: 10.1016/j.jphotobiol.2021.112324] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 08/25/2021] [Accepted: 09/20/2021] [Indexed: 12/28/2022]
Abstract
Visible light has long been recognized as a treatment for many diseases and an essential component of photo-induced chemotherapy. While previous data proved its inherent cytotoxicity, this study is the first to explore the use of a commercially available, high-intensity white LED light (24.5 mW.cm-2) as a treatment for skin tumors. After a 9-h exposure in vitro, the viability of Human Malignant Melanoma cells (A375) decreased by around 70%. Western blot analysis suggested an apoptotic cell death confirmed by the upregulation of Bax, cleaved PARP/caspase-3/8, cytochrome c, and t-bid. Additionally, cellular ROS accumulation and DNA damage were induced upon irradiation with blue light. When tested on a DMBA/TPA skin carcinogenesis model, a 90-min exposure to white light thrice weekly resulted in a significant decrease in tumor volumes/incidence compared to control and cisplatin groups, and restored normal morphological features, as confirmed by histopathology. Toxicological evaluation of ight-treated animals indicated a 100% survival rate, no skin irritation, no signs of discomfort or changes in body weight/behavior, and no toxicities to vital organs. Although these results must be confirmed by further studies, this research showed that short-exposure by commercially available high-intensity white LED light irradiation may be a promising approach for the treatment of superficial malignancies.
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Affiliation(s)
- Stephanie Mehanna
- Department of Natural Sciences, Lebanese American University, Chouran, Beirut 1102-2801, Lebanon
| | - Najwa Mansour
- Department of Natural Sciences, Lebanese American University, Chouran, Beirut 1102-2801, Lebanon
| | - Costantine F Daher
- Department of Natural Sciences, Lebanese American University, Chouran, Beirut 1102-2801, Lebanon
| | - Maria George Elias
- Department of Natural Sciences, Lebanese American University, Chouran, Beirut 1102-2801, Lebanon
| | - Carole Dagher
- School of Medicine, Lebanese American University, Lebanon
| | - Rony S Khnayzer
- Department of Natural Sciences, Lebanese American University, Chouran, Beirut 1102-2801, Lebanon.
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30
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Hadj Bachir E, Poiraud C, Paget S, Stoup N, El Moghrabi S, Duchêne B, Jouy N, Bongiovanni A, Tardivel M, Weiswald LB, Vandepeutte M, Beugniez C, Escande F, Leteurtre E, Poulain L, Lagadec C, Pigny P, Jonckheere N, Renaud F, Truant S, Van Seuningen I, Vincent A. A new pancreatic adenocarcinoma-derived organoid model of acquired chemoresistance to FOLFIRINOX: First insight of the underlying mechanisms. Biol Cell 2021; 114:32-55. [PMID: 34561874 DOI: 10.1111/boc.202100003] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 09/02/2021] [Accepted: 09/02/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND INFORMATION Although improvements have been made in the management of pancreatic adenocarcinoma (PDAC) during the past 20 years, the prognosis of this deadly disease remains poor with an overall 5-year survival under 10%. Treatment with FOLFIRINOX, a combined regimen of 5-fluorouracil, irinotecan (SN-38) and oxaliplatin, is nonetheless associated with an excellent initial tumour response and its use has allowed numerous patients to go through surgery while their tumour was initially considered unresectable. These discrepancies between initial tumour response and very low long-term survival are the consequences of rapidly acquired chemoresistance and represent a major therapeutic frontier. To our knowledge, a model of resistance to the combined three drugs has never been described due to the difficulty of modelling the FOLFIRINOX protocol both in vitro and in vivo. Patient-derived tumour organoids (PDO) are the missing link that has long been lacking in the wide range of epithelial cancer models between 2D adherent cultures and in vivo xenografts. In this work we sought to set up a model of PDO with resistance to FOLFIRINOX regimen that we could compare to the paired naive PDO. RESULTS We first extrapolated physiological concentrations of the three drugs using previous pharmacodynamics studies and bi-compartmental elimination models of oxaliplatin and SN-38. We then treated PaTa-1818x naive PDAC organoids with six cycles of 72 h-FOLFIRINOX treatment followed by 96 h interruption. Thereafter, we systematically compared treated organoids to PaTa-1818x naive organoids in terms of growth, proliferation, viability and expression of genes involved in cancer stemness and aggressiveness. CONCLUSIONS We reproductively obtained resistant organoids FoxR that significantly showed less sensitivity to FOLFORINOX treatment than the PaTa-1818x naive organoids from which they were derived. Our resistant model is representative of the sequential steps of chemoresistance observed in patients in terms of growth arrest (proliferation blockade), residual disease (cell quiescence/dormancy) and relapse. SIGNIFICANCE To our knowledge, this is the first genuine in vitro model of resistance to the three drugs in combined therapy. This new PDO model will be a great asset for the discovery of acquired chemoresistance mechanisms, knowledge that is mandatory before offering new therapeutic strategies for pancreatic cancer.
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Affiliation(s)
- Elsa Hadj Bachir
- CNRS, Inserm, CHU Lille, UMR9020-U1277 - CANTHER - Cancer Heterogeneity Plasticity and Resistance to Therapies, Univ. Lille, Lille, France
| | - Charles Poiraud
- CNRS, Inserm, CHU Lille, UMR9020-U1277 - CANTHER - Cancer Heterogeneity Plasticity and Resistance to Therapies, Univ. Lille, Lille, France.,Department of Digestive Surgery and Transplantation, CHU Lille, Lille, France
| | - Sonia Paget
- CNRS, Inserm, CHU Lille, UMR9020-U1277 - CANTHER - Cancer Heterogeneity Plasticity and Resistance to Therapies, Univ. Lille, Lille, France
| | - Nicolas Stoup
- CNRS, Inserm, CHU Lille, UMR9020-U1277 - CANTHER - Cancer Heterogeneity Plasticity and Resistance to Therapies, Univ. Lille, Lille, France
| | - Soumaya El Moghrabi
- CNRS, Inserm, CHU Lille, UMR9020-U1277 - CANTHER - Cancer Heterogeneity Plasticity and Resistance to Therapies, Univ. Lille, Lille, France
| | - Belinda Duchêne
- CNRS, Inserm, CHU Lille, UMR9020-U1277 - CANTHER - Cancer Heterogeneity Plasticity and Resistance to Therapies, Univ. Lille, Lille, France
| | - Nathalie Jouy
- UMS 2014 - US 41 - PLBS - Plateformes Lilloises en Biologie & Santé, BioImaging Center Lille (BICeL), Univ. Lille, Lille, France
| | - Antonino Bongiovanni
- UMS 2014 - US 41 - PLBS - Plateformes Lilloises en Biologie & Santé, BioImaging Center Lille (BICeL), Univ. Lille, Lille, France
| | - Meryem Tardivel
- UMS 2014 - US 41 - PLBS - Plateformes Lilloises en Biologie & Santé, BioImaging Center Lille (BICeL), Univ. Lille, Lille, France
| | - Louis-Bastien Weiswald
- UNICAEN, Inserm U1086 ANTICIPE "Interdisciplinary Research Unit for Cancer Prevention and Treatment", Normandie Univ, Caen, France.,Cancer Centre F. Baclesse, UNICANCER, Caen, France
| | - Marie Vandepeutte
- CNRS, Inserm, CHU Lille, UMR9020-U1277 - CANTHER - Cancer Heterogeneity Plasticity and Resistance to Therapies, Univ. Lille, Lille, France
| | - César Beugniez
- CNRS, Inserm, CHU Lille, UMR9020-U1277 - CANTHER - Cancer Heterogeneity Plasticity and Resistance to Therapies, Univ. Lille, Lille, France.,Department of Digestive Surgery and Transplantation, CHU Lille, Lille, France
| | - Fabienne Escande
- Department of Biochemistry and Molecular Biology, CHU Lille, Hormonology Metabolism Nutrition Oncology, Lille, France
| | - Emmanuelle Leteurtre
- CNRS, Inserm, CHU Lille, UMR9020-U1277 - CANTHER - Cancer Heterogeneity Plasticity and Resistance to Therapies, Univ. Lille, Lille, France.,Department of Pathology, CHU Lille, Univ. Lille, Lille, France
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- CNRS, Inserm, CHU Lille, UMR9020-U1277 - CANTHER - Cancer Heterogeneity Plasticity and Resistance to Therapies, Univ. Lille, Lille, France
| | - Laurent Poulain
- UNICAEN, Inserm U1086 ANTICIPE "Interdisciplinary Research Unit for Cancer Prevention and Treatment", Normandie Univ, Caen, France.,Cancer Centre F. Baclesse, UNICANCER, Caen, France
| | - Chann Lagadec
- CNRS, Inserm, CHU Lille, UMR9020-U1277 - CANTHER - Cancer Heterogeneity Plasticity and Resistance to Therapies, Univ. Lille, Lille, France
| | - Pascal Pigny
- CNRS, Inserm, CHU Lille, UMR9020-U1277 - CANTHER - Cancer Heterogeneity Plasticity and Resistance to Therapies, Univ. Lille, Lille, France
| | - Nicolas Jonckheere
- CNRS, Inserm, CHU Lille, UMR9020-U1277 - CANTHER - Cancer Heterogeneity Plasticity and Resistance to Therapies, Univ. Lille, Lille, France
| | - Florence Renaud
- CNRS, Inserm, CHU Lille, UMR9020-U1277 - CANTHER - Cancer Heterogeneity Plasticity and Resistance to Therapies, Univ. Lille, Lille, France.,Department of Pathology, CHU Lille, Univ. Lille, Lille, France
| | - Stephanie Truant
- CNRS, Inserm, CHU Lille, UMR9020-U1277 - CANTHER - Cancer Heterogeneity Plasticity and Resistance to Therapies, Univ. Lille, Lille, France.,Department of Digestive Surgery and Transplantation, CHU Lille, Lille, France
| | - Isabelle Van Seuningen
- CNRS, Inserm, CHU Lille, UMR9020-U1277 - CANTHER - Cancer Heterogeneity Plasticity and Resistance to Therapies, Univ. Lille, Lille, France
| | - Audrey Vincent
- CNRS, Inserm, CHU Lille, UMR9020-U1277 - CANTHER - Cancer Heterogeneity Plasticity and Resistance to Therapies, Univ. Lille, Lille, France
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31
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Rasool F, Sharma D, Anand PS, Magani SKJ, Tantravahi S. Evaluation of the Anticancer Properties of Geranyl Isovalerate, an Active Ingredient of Argyreia nervosa Extract in Colorectal Cancer Cells. Front Pharmacol 2021; 12:698375. [PMID: 34616295 PMCID: PMC8489534 DOI: 10.3389/fphar.2021.698375] [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: 04/21/2021] [Accepted: 08/24/2021] [Indexed: 11/18/2022] Open
Abstract
Chemotherapy is a general treatment procedure for cancer. The diversity in cancer incidence and the failure of therapy due to chemoresistance lead to increased cancer-related deaths. Therefore, new drugs with fewer secondary complications targeting diverse pathways are the need of the hour. Geranyl isovalerate (GIV), one of the active ingredients of ethyl acetate fraction of Argyreia nervosa is routinely used as a food flavoring agent. In this study, we found that GIV also exhibits anticancer activity when tested against the HCT116 cell line. It influenced the viability of the cells in a dose- and time-dependent manner. We examined whether GIV could induce oxidative stress and affect the mitochondrial membrane potential, thereby leading to apoptosis induction. Moreover, GIV could suppress the expression of antiapoptotic genes, such as BCl2 and PARP, and induce the expression of proapoptotic genes, such as Caspase 3 and 9. This is the first study demonstrating the anticancer activity of GIV and providing evidence for its mechanism of action. In conclusion, this study proposes GIV as a potential lead or supplementary molecule in treating and preventing colorectal cancer (CRC). Based on our findings, we conclude that GIV may be a viable lead or supplementary molecule for treating and preventing CRC.
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Affiliation(s)
- Fayyaz Rasool
- Department of Life Sciences, School of Natural Sciences, Shiv Nadar University, Greater Noida, India
| | - Deepu Sharma
- Department of Life Sciences, School of Natural Sciences, Shiv Nadar University, Greater Noida, India
| | - P. Shanmukha Anand
- Department of Biotechnology, GITAM Institute of Science, Gandhi Institute of Technology and Management (GITAM) Deemed to be University, Visakhapatnam, India
| | - SKJ Magani
- Department of Life Sciences, School of Natural Sciences, Shiv Nadar University, Greater Noida, India
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32
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Poly (ADP-ribose) polymerase-1 (PARP1) as a therapeutic target in acute myeloid leukemia and myelodysplastic syndrome. Blood Adv 2021; 5:4794-4805. [PMID: 34529761 PMCID: PMC8759124 DOI: 10.1182/bloodadvances.2021004638] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 07/15/2021] [Indexed: 12/31/2022] Open
Abstract
Poly(ADP‐ribose) polymerase 1 (PARP1) is a key mediator of various forms of DNA damage repair and plays an important role in the progression of several cancer types. The enzyme is activated by binding to DNA single-strand and double-strand breaks. Its contribution to chromatin remodeling makes PARP1 crucial for gene expression regulation. Inhibition of its activity with small molecules leads to the synthetic lethal effect by impeding DNA repair in the treatment of cancer cells. At first, PARP1 inhibitors (PARPis) were developed to target breast cancer mutated cancer cells. Currently, PARPis are being studied to be used in a broader variety of patients either as single agents or in combination with chemotherapy, antiangiogenic agents, ionizing radiation, and immune checkpoint inhibitors. Ongoing clinical trials on olaparib, rucaparib, niraparib, veliparib, and the recent talazoparib show the advantage of these agents in overcoming PARPi resistance and underline their efficacy in targeted treatment of several hematologic malignancies. In this review, focusing on the crucial role of PARP1 in physiological and pathological effects in myelodysplastic syndrome and acute myeloid leukemia, we give an outline of the enzyme’s mechanisms of action and its role in the pathophysiology and prognosis of myelodysplastic syndrome/acute myeloid leukemia and we analyze the available data on the use of PARPis, highlighting their promising advances in clinical application.
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Shin JW, Kim SH, Yoon JY. PTEN downregulation induces apoptosis and cell cycle arrest in uterine cervical cancer cells. Exp Ther Med 2021; 22:1100. [PMID: 34504554 PMCID: PMC8383748 DOI: 10.3892/etm.2021.10534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 06/18/2021] [Indexed: 11/06/2022] Open
Abstract
The tumor suppressors PTEN and p53 are often downregulated in various human cancer types, which has been associated with a poor prognosis. Recent evidence implies that PTEN downregulation may induce growth arrest of kidney cells and cancer cells. In the present study, the role of PTEN in the proliferation and survival of cervical cancer cells was investigated. It was found that PTEN silencing promoted apoptosis and cell-cycle arrest, accompanied by a significant decrease in the proportion of cells in the S1 phase of the cell cycle. Moreover, PTEN silencing in cervical cancer cells increased levels of p53, p27, p21, phospho-ERK and cleaved caspase-3, and decreased levels of cyclin A2 and cyclin D1. Furthermore, PTEN knockdown significantly impacted the viability of cervical cancer cells. P53 silencing did not affect the ability of PTEN knockdown to induce apoptosis in cervical cancer cells. Taken together, the present study results imply that PTEN silencing induces apoptosis and decreases proliferation in cervical cancer cells; hence, PTEN inhibition may represent a promising strategy for the treatment of cervical cancer.
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Affiliation(s)
- Jin Woo Shin
- Department of Obstetrics and Gynecology, Gil Medical Center, College of Medicine, Gachon University, Incheon 21565, Republic of Korea
| | - Se-Hee Kim
- Gachon Medical Research Institute, Gil Medical Center, Gachon University, Incheon 21565, Republic of Korea
| | - Jin Young Yoon
- Gachon Medical Research Institute, Gil Medical Center, Gachon University, Incheon 21565, Republic of Korea
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34
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Monticolo F, Chiusano ML. Computational Approaches for Cancer-Fighting: From Gene Expression to Functional Foods. Cancers (Basel) 2021; 13:4207. [PMID: 34439361 PMCID: PMC8393935 DOI: 10.3390/cancers13164207] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 08/13/2021] [Accepted: 08/17/2021] [Indexed: 01/22/2023] Open
Abstract
It is today widely accepted that a healthy diet is very useful to prevent the risk for cancer or its deleterious effects. Nutrigenomics studies are therefore taking place with the aim to test the effects of nutrients at molecular level and contribute to the search for anti-cancer treatments. These efforts are expanding the precious source of information necessary for the selection of natural compounds useful for the design of novel drugs or functional foods. Here we present a computational study to select new candidate compounds that could play a role in cancer prevention and care. Starting from a dataset of genes that are co-expressed in programmed cell death experiments, we investigated on nutrigenomics treatments inducing apoptosis, and searched for compounds that determine the same expression pattern. Subsequently, we selected cancer types where the genes showed an opposite expression pattern and we confirmed that the apoptotic/nutrigenomics expression trend had a significant positive survival in cancer-affected patients. Furthermore, we considered the functional interactors of the genes as defined by public protein-protein interaction data, and inferred on their involvement in cancers and/or in programmed cell death. We identified 7 genes and, from available nutrigenomics experiments, 6 compounds effective on their expression. These 6 compounds were exploited to identify, by ligand-based virtual screening, additional molecules with similar structure. We checked for ADME criteria and selected 23 natural compounds representing suitable candidates for further testing their efficacy in apoptosis induction. Due to their presence in natural resources, novel drugs and/or the design of functional foods are conceivable from the presented results.
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Affiliation(s)
| | - Maria Luisa Chiusano
- Department of Agricultural Sciences, Università degli Studi di Napoli Federico II, Via Università 100, 80055 Portici, Italy;
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35
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Cytocidal Antitumor Effects against Human Ovarian Cancer Cells Induced by B-Lactam Steroid Alkylators with Targeted Activity against Poly (ADP-Ribose) Polymerase (PARP) Enzymes in a Cell-Free Assay. Biomedicines 2021; 9:biomedicines9081028. [PMID: 34440232 PMCID: PMC8394033 DOI: 10.3390/biomedicines9081028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Revised: 08/06/2021] [Accepted: 08/08/2021] [Indexed: 11/29/2022] Open
Abstract
We evaluated three newly synthesized B-lactam hybrid homo-aza-steroidal alkylators (ASA-A, ASA-B and ASA-C) for their PARP1/2 inhibition activity and their DNA damaging effect against human ovarian carcinoma cells. These agents are conjugated with an alkylating component (POPA), which also served as a reference molecule (positive control), and were tested against four human ovarian cell lines in vitro (UWB1.289 + BRCA1, UWB1.289, SKOV-3 and OVCAR-3). The studied compounds were thereafter compared to 3-AB, a known PARP inhibitor, as well as to Olaparib, a standard third-generation PARP inhibitor, on a PARP assay investigating their inhibitory potential. Finally, a PARP1 and PARP2 mRNA expression analysis by qRT-PCR was produced in order to measure the absolute and the relative gene expression (in mRNA transcripts) between treated and untreated cells. All the investigated hybrid steroid alkylators and POPA decreased in vitro cell growth differentially, according to the sensitivity and different gene characteristics of each cell line, while ASA-A and ASA-B presented the most significant anticancer activity. Both these compounds induced PARP1/2 enzyme inhibition, DNA damage (alkylation) and upregulation of PARP mRNA expression, for all tested cell lines. However, ASA-C underperformed on average in the above tasks, while the compound ASA-B induced synthetic lethality effects on the ovarian cancer cells. Nevertheless, the overall outcome, leading to a drug-like potential, provides strong evidence toward further evaluation.
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36
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Bamodu OA, Wang YH, Ho CH, Hu SW, Lin CD, Tzou KY, Wu WL, Chen KC, Wu CC. Genetic Suppressor Element 1 (GSE1) Promotes the Oncogenic and Recurrent Phenotypes of Castration-Resistant Prostate Cancer by Targeting Tumor-Associated Calcium Signal Transducer 2 (TACSTD2). Cancers (Basel) 2021; 13:3959. [PMID: 34439112 PMCID: PMC8392851 DOI: 10.3390/cancers13163959] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Revised: 08/03/2021] [Accepted: 08/03/2021] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND prostate cancer (PCa) is a principal cause of cancer-related morbidity and mortality. Castration resistance and metastasis are clinical challenges and continue to impede therapeutic success, despite diagnostic and therapeutic advances. There are reports of the oncogenic activity of genetic suppressor element (GSE)1 in breast and gastric cancers; however, its role in therapy resistance, metastasis, and susceptibility to disease recurrence in PCa patients remains unclear. OBJECTIVE this study investigated the role of aberrantly expressed GSE1 in the metastasis, therapy resistance, relapse, and poor prognosis of advanced PCa. METHODS we used a large cohort of multi-omics data and in vitro, ex vivo, and in vivo assays to investigate the potential effect of altered GSE1 expression on advanced/castration-resistant PCa (CRPC) treatment responses, disease progression, and prognosis. RESULTS using a multi-cohort approach, we showed that GSE1 is upregulated in PCa, while tumor-associated calcium signal transducer 2 (TACSTD2) is downregulated. Moreover, the direct, but inverse, correlation interaction between GSE1 and TACSTD2 drives metastatic disease, castration resistance, and disease progression and modulates the clinical and immune statuses of patients with PCa. Patients with GSE1highTACSTD2low expression are more prone to recurrence and disease-specific death than their GSE1lowTACSTD2high counterparts. Interestingly, we found that the GSE1-TACSTD2 expression profile is associated with the therapy responses and clinical outcomes in patients with PCa, especially those with metastatic/recurrent disease. Furthermore, we demonstrate that the shRNA-mediated targeting of GSE1 (shGSE1) significantly inhibits cell proliferation and attenuates cell migration and tumorsphere formation in metastatic PC3 and DU145 cell lines, with an associated suppression of VIM, SNAI2, and BCL2 and the concomitant upregulation of TACSTD2 and BAX. Moreover, shGSE1 enhances sensitivity to the antiandrogens abiraterone and enzalutamide in vitro and in vivo. CONCLUSION these data provide preclinical evidence of the oncogenic role of dysregulated GSE1-TACSTD2 signaling and show that the molecular or pharmacological targeting of GSE1 is a workable therapeutic strategy for inhibiting androgen-driven oncogenic signals, re-sensitizing CRPC to treatment, and repressing the metastatic/recurrent phenotypes of patients with PCa.
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Affiliation(s)
- Oluwaseun Adebayo Bamodu
- Department of Urology, Shuang Ho Hospital, Taipei Medical University, New Taipei City 235, Taiwan; (O.A.B.); (S.-W.H.); (C.-D.L.); (K.-Y.T.); (W.-L.W.); (K.-C.C.)
- Department of Medical Research, Shuang Ho Hospital, Taipei Medical University, New Taipei City 235, Taiwan;
- Department of Hematology and Oncology, Shuang Ho Hospital, Taipei Medical University, New Taipei City 235, Taiwan
| | - Yuan-Hung Wang
- Department of Medical Research, Shuang Ho Hospital, Taipei Medical University, New Taipei City 235, Taiwan;
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei City 110, Taiwan
| | - Chen-Hsun Ho
- Department of Surgery, Division of Urology, Shin Kong Wu Ho-Su Memorial Hospital, Taipei City 111, Taiwan;
- School of Medicine, College of Medicine, Fu-Jen Catholic University, New Taipei City 242, Taiwan
| | - Su-Wei Hu
- Department of Urology, Shuang Ho Hospital, Taipei Medical University, New Taipei City 235, Taiwan; (O.A.B.); (S.-W.H.); (C.-D.L.); (K.-Y.T.); (W.-L.W.); (K.-C.C.)
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei City 110, Taiwan
- TMU Research Center of Urology and Kidney, Taipei Medical University, Taipei City 110, Taiwan
| | - Chia-Da Lin
- Department of Urology, Shuang Ho Hospital, Taipei Medical University, New Taipei City 235, Taiwan; (O.A.B.); (S.-W.H.); (C.-D.L.); (K.-Y.T.); (W.-L.W.); (K.-C.C.)
- TMU Research Center of Urology and Kidney, Taipei Medical University, Taipei City 110, Taiwan
| | - Kai-Yi Tzou
- Department of Urology, Shuang Ho Hospital, Taipei Medical University, New Taipei City 235, Taiwan; (O.A.B.); (S.-W.H.); (C.-D.L.); (K.-Y.T.); (W.-L.W.); (K.-C.C.)
- TMU Research Center of Urology and Kidney, Taipei Medical University, Taipei City 110, Taiwan
- Department of Urology, School of Medicine, College of Medicine, Taipei Medical University, Taipei City 110, Taiwan
| | - Wen-Ling Wu
- Department of Urology, Shuang Ho Hospital, Taipei Medical University, New Taipei City 235, Taiwan; (O.A.B.); (S.-W.H.); (C.-D.L.); (K.-Y.T.); (W.-L.W.); (K.-C.C.)
- TMU Research Center of Urology and Kidney, Taipei Medical University, Taipei City 110, Taiwan
| | - Kuan-Chou Chen
- Department of Urology, Shuang Ho Hospital, Taipei Medical University, New Taipei City 235, Taiwan; (O.A.B.); (S.-W.H.); (C.-D.L.); (K.-Y.T.); (W.-L.W.); (K.-C.C.)
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei City 110, Taiwan
- TMU Research Center of Urology and Kidney, Taipei Medical University, Taipei City 110, Taiwan
- Department of Urology, School of Medicine, College of Medicine, Taipei Medical University, Taipei City 110, Taiwan
| | - Chia-Chang Wu
- Department of Urology, Shuang Ho Hospital, Taipei Medical University, New Taipei City 235, Taiwan; (O.A.B.); (S.-W.H.); (C.-D.L.); (K.-Y.T.); (W.-L.W.); (K.-C.C.)
- TMU Research Center of Urology and Kidney, Taipei Medical University, Taipei City 110, Taiwan
- Department of Urology, School of Medicine, College of Medicine, Taipei Medical University, Taipei City 110, Taiwan
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Gopalakrishnan V, Sharma S, Ray U, Manjunath M, Lakshmanan D, Vartak SV, Gopinatha VK, Srivastava M, Kempegowda M, Choudhary B, Raghavan SC. SCR7, an inhibitor of NHEJ can sensitize tumor cells to ionization radiation. Mol Carcinog 2021; 60:627-643. [PMID: 34192388 DOI: 10.1002/mc.23329] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 06/01/2021] [Accepted: 06/07/2021] [Indexed: 12/30/2022]
Abstract
Nonhomologous end joining (NHEJ), one of the major DNA double-strand break repair pathways, plays a significant role in cancer cell proliferation and resistance to radio and chemotherapeutic agents. Previously, we had described a small molecule inhibitor, SCR7, which inhibited NHEJ in a DNA Ligase IV dependent manner. Here, we report that SCR7 potentiates the effect of γ-radiation (IR) that induces DNA breaks as intermediates to eradicate cancer cells. Dose fractionation studies revealed that coadministration of SCR7 and IR (0.5 Gy) in mice Dalton's lymphoma (DLA) model led to a significant reduction in mice tumor cell proliferation, which was equivalent to that observed for 2 Gy dose when both solid and liquid tumor models were used. Besides, co-treatment with SCR7 and 1 Gy of IR further improved the efficacy. Notably, there was no significant change in blood parameters, kidney and liver functions upon combinatorial treatment of SCR7 and IR. Further, the co-treatment of SCR7 and IR resulted in a significant increase in unrepaired DSBs within cancer cells compared to either of the agent alone. Anatomy, histology, and other studies in tumor models confirmed the cumulative effects of both agents in activating apoptotic pathways to induce cytotoxicity by modulating DNA damage response and repair pathways. Thus, we report that SCR7 has the potential to reduce the side effects of radiotherapy by lowering its effective dose ex vivo and in mice tumor models, with implications in cancer therapy.
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Affiliation(s)
- Vidya Gopalakrishnan
- Department of Biochemistry, Indian Institute of Science, Bangalore, Karnataka, India.,Institute of Bioinformatics and Applied Biotechnology, Electronics City, Bangalore, Karnataka, India.,Department of Zoology, St. Joseph's College (Autonomous), Irinjalakuda, Kerala, India
| | - Shivangi Sharma
- Department of Biochemistry, Indian Institute of Science, Bangalore, Karnataka, India.,Institute of Bioinformatics and Applied Biotechnology, Electronics City, Bangalore, Karnataka, India
| | - Ujjayinee Ray
- Department of Biochemistry, Indian Institute of Science, Bangalore, Karnataka, India
| | - Meghana Manjunath
- Institute of Bioinformatics and Applied Biotechnology, Electronics City, Bangalore, Karnataka, India.,Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Divya Lakshmanan
- Department of Biochemistry, Indian Institute of Science, Bangalore, Karnataka, India
| | - Supriya V Vartak
- Department of Biochemistry, Indian Institute of Science, Bangalore, Karnataka, India
| | - Vindya K Gopinatha
- Department of Biochemistry, Indian Institute of Science, Bangalore, Karnataka, India
| | - Mrinal Srivastava
- Department of Biochemistry, Indian Institute of Science, Bangalore, Karnataka, India.,Tata Institute of Fundamental Research, Hyderabad, Telangana, India
| | | | - Bibha Choudhary
- Institute of Bioinformatics and Applied Biotechnology, Electronics City, Bangalore, Karnataka, India
| | - Sathees C Raghavan
- Department of Biochemistry, Indian Institute of Science, Bangalore, Karnataka, India
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38
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Aqueous Extract of Pepino Leaves Ameliorates Palmitic Acid-Induced Hepatocellular Lipotoxicity via Inhibition of Endoplasmic Reticulum Stress and Apoptosis. Antioxidants (Basel) 2021; 10:antiox10060903. [PMID: 34204987 PMCID: PMC8227507 DOI: 10.3390/antiox10060903] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 05/27/2021] [Accepted: 05/29/2021] [Indexed: 11/17/2022] Open
Abstract
Saturated fatty acid is one of the important nutrients, but contributes to lipotoxicity in the liver, causing hepatic steatosis. Aqueous pepino leaf extract (AEPL) in the previous study revealed alleviated liver lipid accumulation in metabolic syndrome mice. The study aimed to investigate the mechanism of AEPL on saturated long-chain fatty acid-induced lipotoxicity in HepG2 cells. Moreover, the phytochemical composition of AEPL was identified in the present study. HepG2 cells treated with palmitic acid (PA) were used for exploring the effect of AEPL on lipid accumulation, apoptosis, ER stress, and antioxidant response. The chemical composition of AEPL was analyzed by HPLC-ESI-MS/MS. AEPL treatment reduced PA-induced ROS production and lipid accumulation. Further molecular results revealed that AEPL restored cytochrome c in mitochondria and decreased caspase 3 activity to cease apoptosis. In addition, AEPL in PA-stressed HepG2 cells significantly reduced the ER stress and suppressed SREBP-1 activation for decreasing lipogenesis. For defending PA-induced oxidative stress, AEPL promoted Nrf2 expression and its target genes, SOD1 and GPX3, expressions. The present study suggested that AEPL protected from PA-induced lipotoxicity through reducing ER stress, increasing antioxidant ability, and inhibiting apoptosis. The efficacy of AEPL on lipotoxicity was probably concerned with kaempferol and isorhamnetin derived compounds.
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A photoactivatable Ru (II) complex bearing 2,9-diphenyl-1,10-phenanthroline: A potent chemotherapeutic drug inducing apoptosis in triple negative human breast adenocarcinoma cells. Chem Biol Interact 2020; 336:109317. [PMID: 33197429 DOI: 10.1016/j.cbi.2020.109317] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 10/23/2020] [Accepted: 11/06/2020] [Indexed: 12/26/2022]
Abstract
The photoactivatable Ru (II) complex 1 [Ru(bipy)2(dpphen)]Cl2 (where bipy = 2,2'-bipyridine and dpphen = 2,9-diphenyl-1,10-phenanthroline) has been shown to possess promising anticancer activity against triple negative adenocarcinoma MDA-MB-231 cells. The present study aims to elucidate the plausible mechanism of action of the photoactivatable complex 1 against MDA-MB-231 cells. Upon photoactivation, complex 1 exhibited time-dependent cytotoxic activity with a phototoxicity index (P Index) of >100 after 72 h. A significant increase in cell rounding and detachment, loss of membrane integrity, ROS accumulation and DNA damage was observed. Flow cytometry and a fluorescent apoptosis/necrosis assay showed an induction of cell apoptosis. Western blot analysis revealed the induction of intrinsic and extrinsic pathways and inhibition of the MAPK and PI3K pathways. The photoproduct of complex 1 showed similar effects on key apoptotic protein expression confirming that it is behind the observed cell death. In conclusion, the present study revealed that complex 1 is a potent multi-mechanistic photoactivatable chemotherapeutic drug that may serve as a potential lead molecule for targeted cancer chemotherapy.
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Xu K, Li B, Zhang S, Hu F, Xu Z, Li L, Zhang Y, Zhu W, Zhao C. DCZ3301, an aryl-guanidino agent, inhibits ocular neovascularization via PI3K/AKT and ERK1/2 signaling pathways. Exp Eye Res 2020; 201:108267. [PMID: 32986979 DOI: 10.1016/j.exer.2020.108267] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 09/19/2020] [Accepted: 09/21/2020] [Indexed: 11/30/2022]
Abstract
Neovascularization is a critical process in the pathophysiology of neovascular eye diseases. Although anti-VEGF therapy has achieved remarkable curative effects, complications, limited efficacy and drug resistance remain the prominent problems. DCZ3301, an aryl-guanidino compound, was reported to have anti-tumor activity in the previous studies. Here, we demonstrated the effects of DCZ3301 on human umbilical vein endothelial cell (HUVEC) in vitro, and performed choroid microvascular sprouting assay ex vivo and alkali-burn induced corneal neovascularization mouse model in vivo. We found that DCZ3301 inhibited the proliferation, migration, and tube formation of HUVECs, while inducing the spontaneous apoptosis of HUVECs by suppressing the activation of PI3K/AKT and ERK1/2 pathways. Furthermore, DCZ3301 inhibited the choroid microvascular sprouting, diminished the area of corneal neovascularization and attenuated the edema of corneal stroma after alkali burn. Together, these results suggested that DCZ3301 exerted anti-angiogenic properties, and might be regarded as a potential candidate for ocular neovascularization.
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Affiliation(s)
- Kai Xu
- Eye Institute, Eye & ENT Hospital, Shanghai Medical College, Fudan University, NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia, Chinese Academy of Medical Sciences, And Shanghai Key Laboratory of Visual Impairment and Restoration (Fudan University), Shanghai, China
| | - Bo Li
- CAS Key Laboratory of Receptor Research; Drug Discovery and Design Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Shujie Zhang
- Eye Institute, Eye & ENT Hospital, Shanghai Medical College, Fudan University, NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia, Chinese Academy of Medical Sciences, And Shanghai Key Laboratory of Visual Impairment and Restoration (Fudan University), Shanghai, China
| | - Fangyuan Hu
- Eye Institute, Eye & ENT Hospital, Shanghai Medical College, Fudan University, NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia, Chinese Academy of Medical Sciences, And Shanghai Key Laboratory of Visual Impairment and Restoration (Fudan University), Shanghai, China
| | - Zhijian Xu
- CAS Key Laboratory of Receptor Research; Drug Discovery and Design Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Lei Li
- Eye Institute, Eye & ENT Hospital, Shanghai Medical College, Fudan University, NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia, Chinese Academy of Medical Sciences, And Shanghai Key Laboratory of Visual Impairment and Restoration (Fudan University), Shanghai, China
| | - Yihan Zhang
- Eye Institute, Eye & ENT Hospital, Shanghai Medical College, Fudan University, NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia, Chinese Academy of Medical Sciences, And Shanghai Key Laboratory of Visual Impairment and Restoration (Fudan University), Shanghai, China
| | - Weiliang Zhu
- CAS Key Laboratory of Receptor Research; Drug Discovery and Design Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China.
| | - Chen Zhao
- Eye Institute, Eye & ENT Hospital, Shanghai Medical College, Fudan University, NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia, Chinese Academy of Medical Sciences, And Shanghai Key Laboratory of Visual Impairment and Restoration (Fudan University), Shanghai, China.
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Kıyga E, Şengelen A, Adıgüzel Z, Önay Uçar E. Investigation of the role of quercetin as a heat shock protein inhibitor on apoptosis in human breast cancer cells. Mol Biol Rep 2020; 47:4957-4967. [PMID: 32638319 DOI: 10.1007/s11033-020-05641-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 07/01/2020] [Indexed: 02/06/2023]
Abstract
High expression of heat shock proteins (Hsp) in breast cancer has been closely associated with tumor cell proliferation and thus a poor clinical outcome. Quercetin, a good Hsp inhibitor as a dietary flavonoid, possesses anticarcinogenic properties. Although there are many studies on the effects of quercetin on Hsp levels in human breast cancer cells, research on elucidation of its molecular mechanism continues. Herein, we aimed to investigate the effect of quercetin on Hsp levels and whether quercetin is a suitable therapeutic for two breast cancer cell lines (MCF-7 and MDA-MB-231) representing breast tumors which differed in hormone receptor, aggressiveness and treatment responses. To examine the response to high and low doses of quercetin, the cells were treated with three doses of quercetin (10, 25 and 100 μM) determined by MTT. The effects of quercetin on Hsp levels, apoptosis and DNA damage were examined by western blot analysis, caspase activity assay, comet assay and microscopy in human breast cancer cells. Compared to MDA-MB231 cells, MCF-7 cells were more affected by quercetin treatments. Quercetin effectively suppressed the expression of Hsp27, Hsp70 and Hsp90. While quercetin did not induce DNA damage, it triggered apoptosis at high levels. Although an increase in NF-κB levels is observed in the cells exposed to quercetin, the net result is the anticancer effect in case of Hsp depletion and apoptosis induction. Taken together our findings suggested that quercetin can be an effective therapeutic agent for breast cancer therapy regardless of the presence or absence of hormone receptors.
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Affiliation(s)
- Ezgi Kıyga
- Department of Molecular Biology and Genetics, Institute of Graduate Studies in Sciences, Istanbul University, Istanbul, Turkey
| | - Aslıhan Şengelen
- Department of Molecular Biology and Genetics, Institute of Graduate Studies in Sciences, Istanbul University, Istanbul, Turkey
| | - Zelal Adıgüzel
- Basic Medical Sciences Department of Molecular Biology and Genetics, School of Medicine, Koç University, Istanbul, Turkey
| | - Evren Önay Uçar
- Department of Molecular Biology and Genetics, Faculty of Science, Istanbul University, Vezneciler, 34134, Istanbul, Turkey.
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Sheehan K, Sheehan D, Sulaiman M, Padilla F, Moore D, Sheehan J, Xu Z. Investigation of the tumoricidal effects of sonodynamic therapy in malignant glioblastoma brain tumors. J Neurooncol 2020; 148:9-16. [PMID: 32361864 DOI: 10.1007/s11060-020-03504-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 04/17/2020] [Indexed: 01/01/2023]
Abstract
OBJECTIVE Glioblastoma is the most common primary brain tumor; survival is typically 12-18 months after diagnosis. We sought to study the effects of sonodynamic therapy (SDT) using 5-Aminolevulinic acid hydrochloride (5-ALA) and high frequency focused ultrasound (FUS) on 2 glioblastoma cell lines. PROCEDURE Rat C6 and human U87 glioblastoma cells were studied under the following conditions: 1 mM 5-ALA (5-ALA); focused ultrasound (FUS); 5-ALA and focused ultrasound (SDT); control. Studied responses included cell viability using an MTT assay, microscopic changes using phase contract microscopy, apoptotic induction through a caspase-3 assay, and apoptosis staining to quantify cell death. RESULTS SDT led to a marked decrease in cell extension and reduction in cell size. For C6, the MTT assay showed reductions in cell viability for 5-ALA, FUS, and SDT groups of 5%, 16%, and 47%, respectively compared to control (p < 0.05). Caspase 3 induction in C6 cells relative to control showed increases of 109%, 110%, and 278% for 5-ALA, FUS, and SDT groups, respectively (p < 0.05). For the C6 cells, caspase 3 staining positivity was 2.1%, 6.7%, 11.2%, and 39.8% for control, 5-ALA, FUS, and SDT groups, respectively. C6 Parp-1 staining positivity was 1.9%, 6.5%, 9.0%, and 37.8% for control, 5-ALA, FUS, and SDT groups, respectively. U87 cells showed similar responses to the treatments. CONCLUSIONS Sonodynamic therapy resulted in appreciable glioblastoma cell death as compared to 5-ALA or FUS alone. The approach couples two already FDA approved techniques in a novel way to treat the most aggressive and malignant of brain tumors. Further study of this promising technique is planned.
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Affiliation(s)
- Kimball Sheehan
- Department of Neurological Surgery, Health Sciences Center, University of Virginia, Box 800212, Charlottesville, VA, 22908, USA.
| | - Darrah Sheehan
- Department of Neurological Surgery, Health Sciences Center, University of Virginia, Box 800212, Charlottesville, VA, 22908, USA
| | - Mohanad Sulaiman
- Department of Neurological Surgery, Health Sciences Center, University of Virginia, Box 800212, Charlottesville, VA, 22908, USA
| | - Frederic Padilla
- Focused Ultrasound Foundation, Charlottesville, VA, USA
- Department of Radiology, University of Virginia, Charlottesville, VA, USA
| | - David Moore
- Focused Ultrasound Foundation, Charlottesville, VA, USA
| | - Jason Sheehan
- Department of Neurological Surgery, Health Sciences Center, University of Virginia, Box 800212, Charlottesville, VA, 22908, USA
| | - Zhiyuan Xu
- Department of Neurological Surgery, Health Sciences Center, University of Virginia, Box 800212, Charlottesville, VA, 22908, USA
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Host poly(ADP-ribose) polymerases (PARPs) in acute and chronic bacterial infections. Microbes Infect 2019; 21:423-431. [DOI: 10.1016/j.micinf.2019.06.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 05/31/2019] [Accepted: 06/03/2019] [Indexed: 01/04/2023]
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Song Q, Feng YB, Wang L, Shen J, Li Y, Fan C, Wang P, Yu SY. COX-2 inhibition rescues depression-like behaviors via suppressing glial activation, oxidative stress and neuronal apoptosis in rats. Neuropharmacology 2019; 160:107779. [DOI: 10.1016/j.neuropharm.2019.107779] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 09/11/2019] [Accepted: 09/14/2019] [Indexed: 12/19/2022]
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Girek M, Kłosiński K, Grobelski B, Pizzimenti S, Cucci MA, Daga M, Barrera G, Pasieka Z, Czarnecka K, Szymański P. Novel tetrahydroacridine derivatives with iodobenzoic moieties induce G0/G1 cell cycle arrest and apoptosis in A549 non-small lung cancer and HT-29 colorectal cancer cells. Mol Cell Biochem 2019; 460:123-150. [PMID: 31313023 PMCID: PMC6745035 DOI: 10.1007/s11010-019-03576-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2019] [Accepted: 06/21/2019] [Indexed: 12/24/2022]
Abstract
A series of nine tetrahydroacridine derivatives with iodobenzoic moiety were synthesized and evaluated for their cytotoxic activity against cancer cell lines—A549 (human lung adenocarcinoma), HT-29 (human colorectal adenocarcinoma) and somatic cell line—EA.hy926 (human umbilical vein cell line). All compounds displayed high cytotoxicity activity against A549 (IC50 59.12–14.87 µM) and HT-29 (IC50 17.32–5.90 µM) cell lines, higher than control agents—etoposide and 5-fluorouracil. Structure–activity relationship showed that the position of iodine in the substituent in the para position and longer linker most strongly enhanced the cytotoxic effect. Among derivatives, 1i turned out to be the most cytotoxic and displayed IC50 values of 14.87 µM against A549 and 5.90 µM against HT-29 cell lines. In hyaluronidase inhibition assay, all compounds presented anti-inflammatory activity, however, slightly lower than reference compound. ADMET prediction showed that almost all compounds had good pharmacokinetic profiles. 1b, 1c and 1f compounds turned out to act against chemoresistance in cisplatin-resistant 253J B-V cells. Compounds intercalated into DNA and inhibited cell cycle in G0/G1 phase—the strongest inhibition was observed for 1i in A549 and 1c in HT-29. Among compounds, the highest apoptotic effect in both cell lines was observed after treatment with 1i. Compounds caused DNA damage and H2AX phosphorylation, which was detected in A549 and HT-29 cells. All research confirmed anticancer properties of novel tetrahydroacridine derivatives and explained a few pathways of their mechanism of cytotoxic action.
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Affiliation(s)
- Małgorzata Girek
- Department of Pharmaceutical Chemistry, Drug Analyses and Radiopharmacy, Faculty of Pharmacy, Medical University of Lodz, Muszynskiego 1, 90-151, Lodz, Poland
| | - Karol Kłosiński
- Department of Experimental Surgery, Faculty of Medicine, Medical University of Lodz, Pabianicka 62, 93-513, Lodz, Poland
| | - Bartłomiej Grobelski
- Animal House, Faculty of Pharmacy, Medical University of Lodz, Muszynskiego 1, 90-151, Lodz, Poland
| | - Stefania Pizzimenti
- Department of Clinical and Biological Sciences, School of Medicine, University of Turin, Corso Raffaello 30, 10125, Turin, Italy
| | - Marie Angele Cucci
- Department of Clinical and Biological Sciences, School of Medicine, University of Turin, Corso Raffaello 30, 10125, Turin, Italy
| | - Martina Daga
- Department of Clinical and Biological Sciences, School of Medicine, University of Turin, Corso Raffaello 30, 10125, Turin, Italy
| | - Giuseppina Barrera
- Department of Clinical and Biological Sciences, School of Medicine, University of Turin, Corso Raffaello 30, 10125, Turin, Italy
| | - Zbigniew Pasieka
- Department of Experimental Surgery, Faculty of Medicine, Medical University of Lodz, Pabianicka 62, 93-513, Lodz, Poland
| | - Kamila Czarnecka
- Department of Pharmaceutical Chemistry, Drug Analyses and Radiopharmacy, Faculty of Pharmacy, Medical University of Lodz, Muszynskiego 1, 90-151, Lodz, Poland
| | - Paweł Szymański
- Department of Pharmaceutical Chemistry, Drug Analyses and Radiopharmacy, Faculty of Pharmacy, Medical University of Lodz, Muszynskiego 1, 90-151, Lodz, Poland.
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Caron MC, Sharma AK, O'Sullivan J, Myler LR, Ferreira MT, Rodrigue A, Coulombe Y, Ethier C, Gagné JP, Langelier MF, Pascal JM, Finkelstein IJ, Hendzel MJ, Poirier GG, Masson JY. Poly(ADP-ribose) polymerase-1 antagonizes DNA resection at double-strand breaks. Nat Commun 2019; 10:2954. [PMID: 31273204 PMCID: PMC6609622 DOI: 10.1038/s41467-019-10741-9] [Citation(s) in RCA: 107] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2018] [Accepted: 05/29/2019] [Indexed: 12/20/2022] Open
Abstract
PARP-1 is rapidly recruited and activated by DNA double-strand breaks (DSBs). Upon activation, PARP-1 synthesizes a structurally complex polymer composed of ADP-ribose units that facilitates local chromatin relaxation and the recruitment of DNA repair factors. Here, we identify a function for PARP-1 in DNA DSB resection. Remarkably, inhibition of PARP-1 leads to hyperresected DNA DSBs. We show that loss of PARP-1 and hyperresection are associated with loss of Ku, 53BP1 and RIF1 resection inhibitors from the break site. DNA curtains analysis show that EXO1-mediated resection is blocked by PARP-1. Furthermore, PARP-1 abrogation leads to increased DNA resection tracks and an increase of homologous recombination in cellulo. Our results, therefore, place PARP-1 activation as a critical early event for DNA DSB repair activation and regulation of resection. Hence, our work has direct implications for the clinical use and effectiveness of PARP inhibition, which is prescribed for the treatment of various malignancies. Poly(ADP-ribose) polymerase-1 (PARP-1) facilitates local chromatin relaxation and the recruitment of DNA repair factors at double strand breaks site (DSBs). Here the authors reveal that PARP-1 acts as a critical regulator of DNA end resection of DSBs.
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Affiliation(s)
- Marie-Christine Caron
- Genome Stability Laboratory, CHU de Québec Research Center, HDQ Pavilion, Oncology Division, 9 McMahon, Québec City, QC, G1R 3S3, Canada.,Department of Molecular Biology, Medical Biochemistry and Pathology, Laval University Cancer Research Center, Québec City, QC, G1V 0A6, Canada
| | - Ajit K Sharma
- Department of Oncology, Faculty of Medicine and Dentistry, University of Alberta, 11560 University Avenue, Edmonton, AL, T6G 1Z2, Canada
| | - Julia O'Sullivan
- Genome Stability Laboratory, CHU de Québec Research Center, HDQ Pavilion, Oncology Division, 9 McMahon, Québec City, QC, G1R 3S3, Canada.,Department of Molecular Biology, Medical Biochemistry and Pathology, Laval University Cancer Research Center, Québec City, QC, G1V 0A6, Canada
| | - Logan R Myler
- Department of Molecular Biosciences, University of Texas at Austin, Austin, TX, 78712, USA
| | - Maria Tedim Ferreira
- Department of Molecular Biology, Medical Biochemistry and Pathology, Laval University Cancer Research Center, Québec City, QC, G1V 0A6, Canada.,CHU de Québec Research Center, CHUL Pavilion, Oncology Division, 2705 Boulevard Laurier, Québec City, QC, G1V 4G2, Canada
| | - Amélie Rodrigue
- Genome Stability Laboratory, CHU de Québec Research Center, HDQ Pavilion, Oncology Division, 9 McMahon, Québec City, QC, G1R 3S3, Canada.,Department of Molecular Biology, Medical Biochemistry and Pathology, Laval University Cancer Research Center, Québec City, QC, G1V 0A6, Canada
| | - Yan Coulombe
- Genome Stability Laboratory, CHU de Québec Research Center, HDQ Pavilion, Oncology Division, 9 McMahon, Québec City, QC, G1R 3S3, Canada.,Department of Molecular Biology, Medical Biochemistry and Pathology, Laval University Cancer Research Center, Québec City, QC, G1V 0A6, Canada
| | - Chantal Ethier
- Department of Molecular Biology, Medical Biochemistry and Pathology, Laval University Cancer Research Center, Québec City, QC, G1V 0A6, Canada.,CHU de Québec Research Center, CHUL Pavilion, Oncology Division, 2705 Boulevard Laurier, Québec City, QC, G1V 4G2, Canada
| | - Jean-Philippe Gagné
- Department of Molecular Biology, Medical Biochemistry and Pathology, Laval University Cancer Research Center, Québec City, QC, G1V 0A6, Canada.,CHU de Québec Research Center, CHUL Pavilion, Oncology Division, 2705 Boulevard Laurier, Québec City, QC, G1V 4G2, Canada
| | - Marie-France Langelier
- Biochemistry and Molecular Medicine, Université de Montréal, 2900 Boulevard Edouard-Montpetit, Pavillon Roger-Gaudry, Montréal, QC, H3T 1J4, Canada
| | - John M Pascal
- Biochemistry and Molecular Medicine, Université de Montréal, 2900 Boulevard Edouard-Montpetit, Pavillon Roger-Gaudry, Montréal, QC, H3T 1J4, Canada
| | - Ilya J Finkelstein
- Department of Molecular Biosciences, University of Texas at Austin, Austin, TX, 78712, USA
| | - Michael J Hendzel
- Department of Oncology, Faculty of Medicine and Dentistry, University of Alberta, 11560 University Avenue, Edmonton, AL, T6G 1Z2, Canada.
| | - Guy G Poirier
- Department of Molecular Biology, Medical Biochemistry and Pathology, Laval University Cancer Research Center, Québec City, QC, G1V 0A6, Canada. .,CHU de Québec Research Center, CHUL Pavilion, Oncology Division, 2705 Boulevard Laurier, Québec City, QC, G1V 4G2, Canada.
| | - Jean-Yves Masson
- Genome Stability Laboratory, CHU de Québec Research Center, HDQ Pavilion, Oncology Division, 9 McMahon, Québec City, QC, G1R 3S3, Canada. .,Department of Molecular Biology, Medical Biochemistry and Pathology, Laval University Cancer Research Center, Québec City, QC, G1V 0A6, Canada.
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Lange C, Lehmann C, Mahler M, Bednarski PJ. Comparison of Cellular Death Pathways after mTHPC-mediated Photodynamic Therapy (PDT) in Five Human Cancer Cell Lines. Cancers (Basel) 2019; 11:cancers11050702. [PMID: 31117328 PMCID: PMC6587334 DOI: 10.3390/cancers11050702] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 05/15/2019] [Accepted: 05/19/2019] [Indexed: 02/07/2023] Open
Abstract
One of the most promising photosensitizers (PS) used in photodynamic therapy (PDT) is the porphyrin derivative 5,10,15,20-tetra(m-hydroxyphenyl)chlorin (mTHPC, temoporfin), marketed in Europe under the trade name Foscan®. A set of five human cancer cell lines from head and neck and other PDT-relevant tissues was used to investigate oxidative stress and underlying cell death mechanisms of mTHPC-mediated PDT in vitro. Cells were treated with mTHPC in equitoxic concentrations and illuminated with light doses of 1.8-7.0 J/cm2 and harvested immediately, 6, 24, or 48 h post illumination for analyses. Our results confirm the induction of oxidative stress after mTHPC-based PDT by detecting a total loss of mitochondrial membrane potential (Δψm) and increased formation of ROS. However, lipid peroxidation (LPO) and loss of cell membrane integrity play only a minor role in cell death in most cell lines. Based on our results, apoptosis is the predominant death mechanism following mTHPC-mediated PDT. Autophagy can occur in parallel to apoptosis or the former can be dominant first, yet ultimately leading to autophagy-associated apoptosis. The death of the cells is in some cases accompanied by DNA fragmentation and a G2/M phase arrest. In general, the overall phototoxic effects and the concentrations as well as the time to establish these effects varies between cell lines, suggesting that the cancer cells are not all dying by one defined mechanism, but rather succumb to an individual interplay of different cell death mechanisms. Besides the evaluation of the underlying cell death mechanisms, we focused on the comparison of results in a set of five identically treated cell lines in this study. Although cells were treated under equitoxic conditions and PDT acts via a rather unspecific ROS formation, very heterogeneous results were obtained with different cell lines. This study shows that general conclusions after PDT in vitro require testing on several cell lines to be reliable, which has too often been ignored in the past.
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Affiliation(s)
- Carsten Lange
- Department of Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy, University of Greifswald, Friedrich-Ludwig-Jahn-Straße 17, 17489 Greifswald, Germany.
| | - Christiane Lehmann
- Department of Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy, University of Greifswald, Friedrich-Ludwig-Jahn-Straße 17, 17489 Greifswald, Germany.
| | - Martin Mahler
- Department of Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy, University of Greifswald, Friedrich-Ludwig-Jahn-Straße 17, 17489 Greifswald, Germany.
| | - Patrick J Bednarski
- Department of Pharmaceutical and Medicinal Chemistry, Institute of Pharmacy, University of Greifswald, Friedrich-Ludwig-Jahn-Straße 17, 17489 Greifswald, Germany.
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Karakas D, Cevatemre B, Oral AY, Yilmaz VT, Ulukaya E. Unfolded Protein Response is Involved in Trans-Platinum (II) Complex-Induced Apoptosis in Prostate Cancer Cells via ROS Accumulation. Anticancer Agents Med Chem 2019; 19:1184-1195. [PMID: 30963984 DOI: 10.2174/1871520619666190409103334] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 10/18/2018] [Accepted: 04/02/2019] [Indexed: 12/29/2022]
Abstract
BACKGROUND Prostate cancer is one of the most common cancer types and it is the sixth leading cause of cancer-related death in men worldwide. Even though novel treatment modalities have been developed, it still a lifethreatening disease. Therefore novel compounds are needed to improve the overall survival. METHODS In our study, it was aimed to evaluate the anti-cancer activity of newly synthesized Platinum (II) [Pt(II)] complex on DU145, LNCaP and PC-3 prostate cancer cell lines. The cytotoxic activity of Pt(II) complex was tested by SRB and ATP cell viability assays. To detect the mode of cell death; fluorescent staining, flow cytometry and western blot analyses were performed. RESULTS The Pt(II) complex treatment resulted in a decrease in cell viability and increasing levels of apoptotic markers (pyknotic nuclei, annexin-V, caspase 3/7 activity) and a decrease in mitochondrial membrane potential in a dose dependent manner. Among cell types, tested PC-3 cells were found to be more sensitive to Pt(II) complex, demonstrating elevation of DNA damage in this cell line. In addition, Pt(II) complex induced Endoplasmic Reticulum (ER) stress by triggering ROS generation. More importantly, pre-treatment with NAC alleviated Pt(II) complex-mediated ER stress and cell death in PC-3. CONCLUSION These findings suggest an upstream role of ROS production in Pt(II) complex-induced ER stressmediated apoptotic cell death. Considering the ROS-mediated apoptosis inducing the effect of Pt(II) complex, it warrants further evaluation as a novel metal-containing anticancer drug candidate.
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Affiliation(s)
- Didem Karakas
- Department of Molecular Biology and Genetics, Faculty of Science and Letters, Istinye University, Istanbul, Turkey.,Department of Biology, Faculty of Arts and Sciences, Uludag University, Bursa, Turkey
| | - Buse Cevatemre
- Department of Biology, Faculty of Arts and Sciences, Uludag University, Bursa, Turkey.,Koc University Research Center for Translational Medicine (KUTTAM), Koc University, Istanbul, Turkey
| | - Arzu Y Oral
- Department of Medical Biochemistry, Faculty of Medicine, Uludag University, Bursa, Turkey
| | - Veysel T Yilmaz
- Department of Chemistry, Faculty of Arts and Sciences, Uludag University, Bursa, Turkey
| | - Engin Ulukaya
- Department of Medical Biochemistry, Faculty of Medical School, Istinye University, Istanbul, Turkey
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Sedoheptulose-1,7-bisphospate Accumulation and Metabolic Anomalies in Hepatoma Cells Exposed to Oxidative Stress. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:5913635. [PMID: 30755786 PMCID: PMC6348915 DOI: 10.1155/2019/5913635] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Accepted: 11/15/2018] [Indexed: 01/08/2023]
Abstract
We have previously shown that GSH depletion alters global metabolism of cells. In the present study, we applied a metabolomic approach for studying the early changes in metabolism in hydrogen peroxide- (H2O2-) treated hepatoma cells which were destined to die. Levels of fructose 1,6-bisphosphate and an unusual metabolite, sedoheptulose 1,7-bisphosphate (S-1,7-BP), were elevated in hepatoma Hep G2 cells. Deficiency in G6PD activity significantly reduced S-1,7-BP formation, suggesting that S-1,7-BP is formed in the pentose phosphate pathway as a response to oxidative stress. Additionally, H2O2 treatment significantly increased the level of nicotinamide adenine dinucleotide phosphate (NADP+) and reduced the levels of ATP and NAD+. Severe depletion of ATP and NAD+ in H2O2-treated Hep G2 cells was associated with cell death. Inhibition of PARP-mediated NAD+ depletion partially protected cells from death. Comparison of metabolite profiles of G6PD-deficient cells and their normal counterparts revealed that changes in GSH and GSSG per se do not cause cell death. These findings suggest that the failure of hepatoma cells to maintain energy metabolism in the midst of oxidative stress may cause cell death.
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50
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Ro Y, Jo G, Jung S, Lee E, Shin J, Lee J. Salmonella‑induced miR‑155 enhances necroptotic death in macrophage cells via targeting RIP1/3. Mol Med Rep 2018; 18:5133-5140. [DOI: 10.3892/mmr.2018.9525] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Accepted: 09/21/2018] [Indexed: 11/06/2022] Open
Affiliation(s)
- Young‑Tae Ro
- Laboratory of Biochemistry, Graduate School of Medicine, Konkuk University, Chungju, Chungcheong 27478, Republic of Korea
| | - Guk‑Heui Jo
- Laboratory of Cell Biology, Myunggok Eye Research Institute, Konyang University College of Medicine, Seoul 07301, Republic of Korea
| | - Sun‑Ah Jung
- Laboratory of Cell Biology, Myunggok Eye Research Institute, Konyang University College of Medicine, Seoul 07301, Republic of Korea
| | - Eunjoo Lee
- Graduate School of East‑West Medical Science, Kyung Hee University, Yongin, Gyeonggi 17104, Republic of Korea
| | - Jongdae Shin
- Laboratory of Cell Biology, Myunggok Eye Research Institute, Konyang University College of Medicine, Seoul 07301, Republic of Korea
| | - Joon Lee
- Laboratory of Cell Biology, Myunggok Eye Research Institute, Konyang University College of Medicine, Seoul 07301, Republic of Korea
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