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Demény MA, Virág L. The PARP Enzyme Family and the Hallmarks of Cancer Part 1. Cell Intrinsic Hallmarks. Cancers (Basel) 2021; 13:cancers13092042. [PMID: 33922595 PMCID: PMC8122967 DOI: 10.3390/cancers13092042] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 04/02/2021] [Accepted: 04/20/2021] [Indexed: 12/21/2022] Open
Abstract
The 17-member poly (ADP-ribose) polymerase enzyme family, also known as the ADP-ribosyl transferase diphtheria toxin-like (ARTD) enzyme family, contains DNA damage-responsive and nonresponsive members. Only PARP1, 2, 5a, and 5b are capable of modifying their targets with poly ADP-ribose (PAR) polymers; the other PARP family members function as mono-ADP-ribosyl transferases. In the last decade, PARP1 has taken center stage in oncology treatments. New PARP inhibitors (PARPi) have been introduced for the targeted treatment of breast cancer 1 or 2 (BRCA1/2)-deficient ovarian and breast cancers, and this novel therapy represents the prototype of the synthetic lethality paradigm. Much less attention has been paid to other PARPs and their potential roles in cancer biology. In this review, we summarize the roles played by all PARP enzyme family members in six intrinsic hallmarks of cancer: uncontrolled proliferation, evasion of growth suppressors, cell death resistance, genome instability, reprogrammed energy metabolism, and escape from replicative senescence. In a companion paper, we will discuss the roles of PARP enzymes in cancer hallmarks related to cancer-host interactions, including angiogenesis, invasion and metastasis, evasion of the anticancer immune response, and tumor-promoting inflammation. While PARP1 is clearly involved in all ten cancer hallmarks, an increasing body of evidence supports the role of other PARPs in modifying these cancer hallmarks (e.g., PARP5a and 5b in replicative immortality and PARP2 in cancer metabolism). We also highlight controversies, open questions, and discuss prospects of recent developments related to the wide range of roles played by PARPs in cancer biology. Some of the summarized findings may explain resistance to PARPi therapy or highlight novel biological roles of PARPs that can be therapeutically exploited in novel anticancer treatment paradigms.
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Affiliation(s)
- Máté A. Demény
- Department of Medical Chemistry, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary
- MTA-DE Cell Biology and Signaling Research Group, University of Debrecen, 4032 Debrecen, Hungary
- Correspondence: (M.A.D.); (L.V.)
| | - László Virág
- Department of Medical Chemistry, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary
- MTA-DE Cell Biology and Signaling Research Group, University of Debrecen, 4032 Debrecen, Hungary
- Correspondence: (M.A.D.); (L.V.)
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Biernacki T, Sandi D, Bencsik K, Vécsei L. Medicinal Chemistry of Multiple Sclerosis: Focus on Cladribine. Mini Rev Med Chem 2020; 20:269-285. [PMID: 31644403 DOI: 10.2174/1389557519666191015201755] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Revised: 04/28/2019] [Accepted: 05/19/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND In the recent years, many novel Disease-Modifying Drugs (DMD) have been introduced to the market in the treatment of multiple sclerosis. OBJECTIVES To provide the reader with an up to date, compact review on the pharmacokinetic properties, mechanism of action, and clinical attributes of one of the most recently approved drugs in the therapy of multiple sclerosis, cladribine. CONCLUSION Cladribine tablets proved to be a highly efficient treatment choice for Relapsing- Remitting Multiple Sclerosis (RRMS), especially for patients with high disease activity. It is the first DMD for MS with a complex mechanism of action, by inhibiting the adenosine-deaminase enzyme it increases the intracellular levels of deoxyadenosine triphosphate, which with relative selectivity depletes both T- and B-cells lines simultaneously. However long term follow-up safety and effectiveness data are still missing, and clear treatment protocols are lacking beyond the first two treatment years cladribine should prove to be a valuable addition to the therapeutic palette of RRMS, and potentially for Clinically Isolated Syndrome (CIS) as well.
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Affiliation(s)
- Tamás Biernacki
- Department of Neurology, Szent-Gyorgyi Albert Clinical Center, University of Szeged, Szeged, Hungary
| | - Dániel Sandi
- Department of Neurology, Szent-Gyorgyi Albert Clinical Center, University of Szeged, Szeged, Hungary
| | - Krisztina Bencsik
- Department of Neurology, Szent-Gyorgyi Albert Clinical Center, University of Szeged, Szeged, Hungary
| | - László Vécsei
- Department of Neurology, Szent-Gyorgyi Albert Clinical Center, University of Szeged, Szeged, Hungary.,MTA-SZTE Neuroscience Research Group, Szeged, Hungary
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Sanchez R, St-Cyr J, Lalonde ME, Healy J, Richer C, Gagné V, Laverdière C, Silverman LB, Sallan SE, Neuberg D, Kutok JL, Kritikou EA, Krajinovic M, Sinnett D. Impact of promoter polymorphisms in key regulators of the intrinsic apoptosis pathway on the outcome of childhood acute lymphoblastic leukemia. Haematologica 2013; 99:314-21. [PMID: 24038028 DOI: 10.3324/haematol.2013.085340] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
The introduction of multiagent treatment protocols has led to a remarkable increase in survival rates for children diagnosed with acute lymphoblastic leukemia, yet for a subpopulation of patients, resistance to chemotherapeutics remains an obstacle to successful treatment. Here we investigate the role of the mitochondrial (or intrinsic) apoptosis pathway in modulating the onset and outcomes of childhood acute lymphoblastic leukemia. Cell death is a highly regulated process that plays an essential role in regulating cell homeostasis, particularly in tissues with high intrinsic proliferating capacity such as the hematopoietic system. Following the underlying paradigm that cis-acting genetic variation can influence disease risk and outcomes by modulating gene expression, we performed a systematic analysis of the proximal promoter regions of 21 genes involved in apoptosis. Using gene reporter assays, we show that promoter variations in 11 intrinsic apoptosis genes, including ADPRT, APAF1, BCL2, BAD, BID, MCL1, BIRC4, BCL2L1, ENDOG, YWHAB, and YWHAQ, influence promoter activity in an allele-specific manner. We also show that correlated promoter variation and increased expression of MCL1 is associated with reduced overall survival among high-risk patients receiving higher doses of corticosteroid, suggesting that increased expression of this anti-apoptosis gene could lead to reduced cell death and influence treatment response in a disease- and dose-responsive manner.
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Ghosh U, Bhattacharyya NP. Induction of apoptosis by the inhibitors of poly(ADP-ribose)polymerase in HeLa cells. Mol Cell Biochem 2008; 320:15-23. [PMID: 18695944 DOI: 10.1007/s11010-008-9894-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2008] [Accepted: 07/24/2008] [Indexed: 02/02/2023]
Abstract
To investigate the role of poly(ADP-ribose)polymerase (PARP) in the physiological condition of cell growth, we studied the ability of PARP inhibitors to induce apoptosis. Benzamide (BA) and 4-amino-1,8-naphthalimide (NAP), two well-known inhibitors of PARP, treatment increased nuclear fragmentation and caspase-3 activity in HeLa (Human cervical cancer cell line) cells. The increase of cellular NAD(+) level was observed in HeLa cells treated with BA in comparison with untreated control cells. For unrevealing the specific PARP family member responsible for such induction of apoptosis we knocked down and over-expressed PARP-1 gene in HeLa cells. PARP-1 knock down cells were sensitive to BA induced nuclear fragmentation and caspase-3 activation while exogenous expression of PARP-1 rendered cells resistant to BA induced apoptosis. This result indicated that inhibition of PARP-1 resulted in induction of apoptosis.
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Affiliation(s)
- Utpal Ghosh
- Department of Biochemistry & Biophysics, University of Kalyani, Kalyani 741235, India.
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Holleman A, den Boer ML, Kazemier KM, Beverloo HB, von Bergh ARM, Janka-Schaub GE, Pieters R. Decreased PARP and procaspase-2 protein levels are associated with cellular drug resistance in childhood acute lymphoblastic leukemia. Blood 2005; 106:1817-23. [PMID: 15899912 DOI: 10.1182/blood-2004-11-4296] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Abstract
Drug resistance in childhood acute lymphoblastic leukemia (ALL) and acute myeloid leukemia (AML) is associated with impaired ability to induce apoptosis. To elucidate causes of apoptotic defects, we studied the protein expression of Apaf-1, procaspases-2, -3, -6, -7, -8, -10, and poly(adenosine diphosphate [ADP]-ribose) polymerase (PARP) in cells from children with acute lymphoblastic leukemia (ALL; n = 43) and acute myeloid leukemia (AML; n = 10). PARP expression was present in all B-lineage samples, but absent in 4 of 15 T-lineage ALL samples and 3 of 10 AML cases, which was not caused by genomic deletions. PARP expression was a median 7-fold lower in T-lineage ALL (P < .001) and 10-fold lower in AML (P < .001) compared with B-lineage ALL. PARP expression was 4-fold lower in prednisolone, vincristine and L-asparaginase (PVA)-resistant compared with PVA-sensitive ALL patients (P < .001). Procaspase-2 expression was 3-fold lower in T-lineage ALL (P = .022) and AML (P = .014) compared with B-lineage ALL. In addition, procaspase-2 expression was 2-fold lower in PVA-resistant compared to PVA-sensitive ALL patients (P = .042). No relation between apoptotic protease-activating factor 1 (Apaf-1), procaspases-3, -6, -7, -8, -10, and drug resistance was found. In conclusion, low baseline expression of PARP and procaspase-2 is related to cellular drug resistance in childhood acute lymphoblastic leukemia. (Blood. 2005;106:1817-1823)
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Affiliation(s)
- Amy Holleman
- Erasmus MC/Sophia Children's Hospital, Pediatric Oncology/Hematology, Dr. Molewaterplein 60, 3015 GJ Rotterdam, The Netherlands
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Visochek L, Steingart RA, Vulih-Shultzman I, Klein R, Priel E, Gozes I, Cohen-Armon M. PolyADP-ribosylation is involved in neurotrophic activity. J Neurosci 2005; 25:7420-8. [PMID: 16093393 PMCID: PMC6725295 DOI: 10.1523/jneurosci.0333-05.2005] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2005] [Revised: 05/31/2005] [Accepted: 06/30/2005] [Indexed: 01/25/2023] Open
Abstract
PolyADP-ribosylation is a transient posttranslational modification of proteins, mainly catalyzed by poly(ADP-ribose)polymerase-1 (PARP-1). This highly conserved nuclear protein is activated rapidly in response to DNA nick formation and promotes a fast DNA repair. Here, we examine a possible association between polyADP-ribosylation and the activity of neurotrophins and neuroprotective peptides taking part in life-or-death decisions in mammalian neurons. The presented results indicate an alternative mode of PARP-1 activation in the absence of DNA damage by neurotrophin-induced signaling mechanisms. PARP-1 was activated in rat cerebral cortical neurons briefly exposed to NGF-related nerve growth factors and to the neuroprotective peptides NAP (the peptide NAPVSIPQ, derived from the activity-dependent neuroprotective protein ADNP) and ADNF-9 (the peptide SALLRSIPA, derived from the activity-dependent neurotrophic factor ADNF) In addition, polyADP-ribosylation was involved in the neurotrophic activity of NGF-induced and NAP-induced neurite outgrowth in differentiating pheochromocytoma 12 cells as well as in the neuroprotective activity of NAP in neurons treated with the Alzheimer's disease neurotoxin beta-amyloid. A fast loosening of the highly condensed chromatin structure by polyADP-ribosylation of histone H1, which renders DNA accessible to transcription and repair, may underlie the role of polyADP-ribosylation in neurotrophic activity.
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Affiliation(s)
- Leonid Visochek
- The Neufeld Cardiac Research Institute, Sackler School of Medicine, Tel-Aviv University, Tel-Aviv 69978, Israel
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Ghosh U, Pandit B, Dutta J, Bhattacharyya NP. Induction of apoptosis by benzamide and its inhibition by aurin tricarboxylic acid (ATA) in Chinese hamster V79 cells. Mutat Res 2004; 554:121-9. [PMID: 15450410 DOI: 10.1016/j.mrfmmm.2004.04.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2003] [Revised: 03/23/2004] [Accepted: 04/02/2004] [Indexed: 11/26/2022]
Abstract
To investigate the effect of benzamide and nicotinamide, well known inhibitors of poly(ADP-ribose) polymerase, in Chinese hamster V79 cells at the physiological condition of cell growth, we have tested the ability of the inhibitors to induce apoptosis. Apoptosis was detected by nuclear fragmentation, nucleosomal ladder formation, cytochrome-c release from the mitochondria and caspase-3 activation. Benzamide treatment alone increased nuclear fragmentation in dose (2.5-10 mM) and time (4-48 h)-dependent manner. Such treatment also increased nucleosomal ladders. However, 5 mM benzamide pre-treatment inhibited the nucleosomal ladders induced by gamma-irradiation indicating the role of poly(ADP-ribose) polymerase was different in irradiated cells and in un-irradiated cells. Release of cytochrome-c from the mitochondria and caspase-3 activity were also increased by such treatment. Treatment with 200 microM of aurin tricarboxylic acid (ATA), an inhibitor of DNases, inhibited the nucleosomal ladders induced by benzamide or gamma-irradiation without changing the cytochrome-c release or caspase-3 activation. This result showed that ATA inhibited the nucleosomal ladders possibly by inhibiting DNase(s) involved in apoptosis.
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Affiliation(s)
- Utpal Ghosh
- Crystallography and Molecular Biology Division, Saha Institute of Nuclear Physics, 1/AF Bidhan Nagar, Calcutta 700 064, India
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Cohen-Armon M, Visochek L, Katzoff A, Levitan D, Susswein AJ, Klein R, Valbrun M, Schwartz JH. Long-Term Memory Requires PolyADP-ribosylation. Science 2004; 304:1820-2. [PMID: 15205535 DOI: 10.1126/science.1096775] [Citation(s) in RCA: 125] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
PolyADP-ribose-polymerase 1 is activated in neurons that mediate several forms of long-term memory in Aplysia. Because polyADP-ribosylation of nuclear proteins is a response to DNA damage in virtually all eukaryotic cells, it is surprising that activation of the polymerase occurs during learning and is required for long-term memory. We suggest that fast and transient decondensation of chromatin structure by polyADP-ribosylation enables the transcription needed to form long-term memory without strand breaks in DNA.
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Affiliation(s)
- Malka Cohen-Armon
- Neufeld Cardiac Research Institute, Sheba Medical Center, Sackler School of Medicine, Tel-Aviv University, Tel-Aviv 69978, Israel.
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Hortelano S, Castilla M, Torres AM, Tejedor A, Boscá L. Potentiation by nitric oxide of cyclosporin A and FK506-induced apoptosis in renal proximal tubule cells. J Am Soc Nephrol 2000; 11:2315-2323. [PMID: 11095654 DOI: 10.1681/asn.v11122315] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Proximal tubular epithelial cells (PTEC) exhibit a high sensitivity to undergo apoptosis in response to proinflammatory stimuli and immunosuppressors and participate in the onset of several renal diseases. This study examined the expression of inducible nitric oxide (NO) synthase after challenge of PTEC with bacterial cell wall molecules and inflammatory cytokines and analyzed the pathways that lead to apoptosis in these cells by measuring changes in the mitochondrial transmembrane potential and caspase activation. The data show that the apoptotic effects of proinflammatory stimuli mainly were due to the expression of inducible NO synthase. Cyclosporin A and FK506 inhibited partially NO synthesis. However, both NO and immunosuppressors induced apoptosis, probably through a common mechanism that involved the irreversible opening of the mitochondrial permeability transition pore. Activation of caspases 3 and 7 was observed in cells treated with high doses of NO and with moderate concentrations of immunosuppressors. The conclusion is that the cooperation between NO and immunosuppressors that induce apoptosis in PTEC might contribute to the renal toxicity observed in the course of immunosuppressive therapy.
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Affiliation(s)
- Sonsoles Hortelano
- Institute of Biochemistry (CSIC-UCM), Faculty of Pharmacy, Complutense University, Madrid, Spain
| | - Manuela Castilla
- Experimental Medicine and Surgery Unit, Gregorio Marañón University General Hospital, Madrid, Spain
| | - Ana M Torres
- Experimental Medicine and Surgery Unit, Gregorio Marañón University General Hospital, Madrid, Spain
| | - Alberto Tejedor
- Experimental Medicine and Surgery Unit, Gregorio Marañón University General Hospital, Madrid, Spain
| | - Lisardo Boscá
- Institute of Biochemistry (CSIC-UCM), Faculty of Pharmacy, Complutense University, Madrid, Spain
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