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He W, Zhu H, Zhang S, Shu G, Lei H, Wang M, Yin G, Ni X, Wu Q. Epigenetic editing of BRCA1 promoter increases cisplatin and olaparib sensitivity of ovarian cancer cells. Epigenetics 2024; 19:2357518. [PMID: 38796857 PMCID: PMC11135871 DOI: 10.1080/15592294.2024.2357518] [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: 01/24/2024] [Accepted: 05/15/2024] [Indexed: 05/29/2024] Open
Abstract
Drug resistance is the primary contributor to the high mortality rate of ovarian cancer (OC). The loss of BRCA1/2 function is linked to drug sensitivity in OC cells. The aim of this study is to enhance the drug sensitivity of OC cells by inducing BRCA1 dysfunction through promoter epigenetic editing. Epigenetic regulatory regions within the BRCA1 promoter, affecting gene expression, were initially discerned through analysis of clinical samples. Subsequently, we designed and rigorously validated epigenetic editing tools. Ultimately, we evaluated the cisplatin and olaparib sensitivity of the OC cells after editing. The BRCA1 promoter contains two CpG-rich regions, with methylation of the region covering the transcription start site (TSS) strongly correlating with transcription and influencing OC development, prognosis, and homologous recombination (HR) defects. Targeting this region in OC cells using our designed epigenetic editing tools led to substantial and persistent DNA methylation changes, accompanied by significant reductions in H3K27ac histone modifications. This resulted in a notable suppression of BRCA1 expression and a decrease in HR repair capacity. Consequently, edited OC cells exhibited heightened sensitivity to cisplatin and olaparib, leading to increased apoptosis rates. Epigenetic inactivation of the BRCA1 promoter can enhance cisplatin and olaparib sensitivity of OC cells through a reduction in HR repair capacity, indicating the potential utility of epigenetic editing technology in sensitization therapy for OC.
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Affiliation(s)
- Wanhong He
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Shanghai, China
| | - Haijun Zhu
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Shanghai, China
| | - Sufen Zhang
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Shanghai, China
| | - Guang Shu
- Department of Pathology, Xiangya Hospital, School of Basic Medical Sciences, Central South University, Changsha, China
| | - Han Lei
- Department of Pathology, Xiangya Hospital, School of Basic Medical Sciences, Central South University, Changsha, China
| | - Maonan Wang
- Department of Pathology, Xiangya Hospital, School of Basic Medical Sciences, Central South University, Changsha, China
| | - Gang Yin
- Department of Pathology, Xiangya Hospital, School of Basic Medical Sciences, Central South University, Changsha, China
| | - Xiaohua Ni
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Shanghai, China
| | - Qihan Wu
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Shanghai, China
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Han W, Zhou H, Zhang X, Li H, Han X, Su L, Tian L, Xue X. HMGB2 is a biomarker associated with poor prognosis promoting radioresistance in glioma by targeting base excision repair pathway. Transl Oncol 2024; 45:101977. [PMID: 38728871 PMCID: PMC11107350 DOI: 10.1016/j.tranon.2024.101977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 03/27/2024] [Accepted: 04/26/2024] [Indexed: 05/12/2024] Open
Abstract
BACKGROUND High mobility group box 2 (HMGB2) is considered as a biomarker of poor prognosis in various cancers.This study aims to investigate the effect and mechanism of HMGB2 in gliomas. METHODS With the glioma related on-line and our local hospital databases, the expression differences of HMGB2,Kaplan-Meier survival analysis and COX regression analysis were performed.The correlation analysis between the clinicopathological features and imaging parameters with the HMGB2 expression had been done. Then GSEA and PPI networks were carried out to find out the most significant pathway. The pathway inhibitor was applied to verify HMGB2's participation. CCK8,EDU assays,γ-H2AX immunofluorescence staining and colony formation assay were conducted to observe effects on glioma cells. RESULTS Available datasets showed that HMGB2 was highly expressed in glioma and patients with high expression of HMGB2 had poorer prognosis and molecular characteristics. Protein level evidence of western blot and immunohistochemistry from our center supported the conclusions above. Analysis on imaging features suggested that HMGB2 expression level had an inverse association with ADCmean but positively with the thickness of enhancing margin. Results from GSEA and PPI network analysis exhibited that HMGB2 was involved in base excision repair (BER) signaling pathway. Experimental evidence demonstrated that the overexpression of HMGB2 promoted the proliferation of glioma cells and enhanced the radio-resistance. CONCLUSIONS HMGB2 could promote glioma development and enhance the radioresistance of glioma cells, potentially related to the BER pathway, suggesting it may serve as an underlying biomarker for patients with glioma.
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Affiliation(s)
- Wei Han
- Department of Radiotherapy, The Second Hospital of Hebei Medical University, Shijiazhuang, China; Department of Oncology, Hebei General Hospital, Shijiazhuang, China
| | - Huandi Zhou
- Department of Radiotherapy, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Xinyuan Zhang
- Department of Radiotherapy, The Second Hospital of Hebei Medical University, Shijiazhuang, China; Department of Oncology, The First Hospital of Qinhuangdao, Qinhuangdao, China
| | - Haonan Li
- Department of Radiotherapy, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Xuetao Han
- Department of Radiotherapy, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Linlin Su
- Department of Radiotherapy, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Lei Tian
- Department of Radiotherapy, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Xiaoying Xue
- Department of Radiotherapy, The Second Hospital of Hebei Medical University, Shijiazhuang, China.
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Caba K, Tran-Nguyen VK, Rahman T, Ballester PJ. Comprehensive machine learning boosts structure-based virtual screening for PARP1 inhibitors. J Cheminform 2024; 16:40. [PMID: 38582911 PMCID: PMC10999096 DOI: 10.1186/s13321-024-00832-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Accepted: 03/23/2024] [Indexed: 04/08/2024] Open
Abstract
Poly ADP-ribose polymerase 1 (PARP1) is an attractive therapeutic target for cancer treatment. Machine-learning scoring functions constitute a promising approach to discovering novel PARP1 inhibitors. Cutting-edge PARP1-specific machine-learning scoring functions were investigated using semi-synthetic training data from docking activity-labelled molecules: known PARP1 inhibitors, hard-to-discriminate decoys property-matched to them with generative graph neural networks and confirmed inactives. We further made test sets harder by including only molecules dissimilar to those in the training set. Comprehensive analysis of these datasets using five supervised learning algorithms, and protein-ligand fingerprints extracted from docking poses and ligand only features revealed one highly predictive scoring function. This is the PARP1-specific support vector machine-based regressor, when employing PLEC fingerprints, which achieved a high Normalized Enrichment Factor at the top 1% on the hardest test set (NEF1% = 0.588, median of 10 repetitions), and was more predictive than any other investigated scoring function, especially the classical scoring function employed as baseline.
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Affiliation(s)
- Klaudia Caba
- Department of Bioengineering, Imperial College London, London, SW7 2AZ, UK
| | - Viet-Khoa Tran-Nguyen
- Unité de Biologie Fonctionnelle et Adaptative (BFA), UFR Sciences du Vivant, Université Paris Cité, 75013, Paris, France
| | - Taufiq Rahman
- Department of Pharmacology, University of Cambridge, Cambridge, CB2 1PD, UK
| | - Pedro J Ballester
- Department of Bioengineering, Imperial College London, London, SW7 2AZ, UK.
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Bastos IM, Rebelo S, Silva VLM. A review of poly(ADP-ribose)polymerase-1 (PARP1) role and its inhibitors bearing pyrazole or indazole core for cancer therapy. Biochem Pharmacol 2024; 221:116045. [PMID: 38336156 DOI: 10.1016/j.bcp.2024.116045] [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: 11/15/2023] [Revised: 01/10/2024] [Accepted: 02/02/2024] [Indexed: 02/12/2024]
Abstract
Cancer is a disease with a high mortality rate characterized by uncontrolled proliferation of abnormal cells. The hallmarks of cancer evidence the acquired cells characteristics that promote the growth of malignant tumours, including genomic instability and mutations, the ability to evade cellular death and the capacity of sustaining proliferative signalization. Poly(ADP-ribose) polymerase-1 (PARP1) is a protein that plays key roles in cellular regulation, namely in DNA damage repair and cell survival. The inhibition of PARP1 promotes cellular death in cells with homologous recombination deficiency, and therefore, the interest in PARP protein has been rising as a target for anticancer therapies. There are already some PARP1 inhibitors approved by Food and Drug Administration (FDA), such as Olaparib and Niraparib. The last compound presents in its structure an indazole core. In fact, pyrazoles and indazoles have been raising interest due to their various medicinal properties, namely, anticancer activity. Derivatives of these compounds have been studied as inhibitors of PARP1 and presented promising results. Therefore, this review aims to address the importance of PARP1 in cell regulation and its role in cancer. Moreover, it intends to report a comprehensive literature review of PARP1 inhibitors, containing the pyrazole and indazole scaffolds, published in the last fifteen years, focusing on structure-activity relationship aspects, thus providing important insights for the design of novel and more effective PARP1 inhibitors.
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Affiliation(s)
- Inês M Bastos
- LAQV-REQUIMTE and Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Sandra Rebelo
- Institute of Biomedicine-iBiMED, Department of Medical Sciences, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Vera L M Silva
- LAQV-REQUIMTE and Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal.
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Mittal A, Mahala N, Dhanawade NH, Dubey SK, Dubey US. Evaluation of the cytotoxic activity of sorafenib-loaded camel milk casein nanoparticles against hepatocarcinoma cells. Biotechnol J 2024; 19:e2300449. [PMID: 38472095 DOI: 10.1002/biot.202300449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 01/23/2024] [Accepted: 02/11/2024] [Indexed: 03/14/2024]
Abstract
Sorafenib, a multikinase inhibitor is used to treat hepatocellular and renal carcinoma. However, a low solubility impedes its bioavailability and thus, effectiveness. This study aims to enhance its effectiveness by using novel camel milk casein nanoparticles as a delivery system. This study evaluates the cytotoxicity of sorafenib encapsulated in camel milk casein nanoparticles against human hepatocarcinoma cells (HepG2 cells) in vitro. Optimal drug loaded nanoparticles were stable for 1 month, had encapsulation efficiency of 96%, exhibited a particle size of 230 nm, zeta potential of -14.4 and poly disparity index of 0.261. Treatment with it led to cell morphology and DNA fragmentation as a characteristic of apoptosis. Flow cytometry showed G1 phase arrest of cell cycle and 26% increased apoptotic cells population upon treatment as compared to control. Sorafenib-loaded casein nanoparticles showed 6-fold increased ROS production in HepG2 cells as compared to 4-fold increase shown by the free drug. Gene and protein expression studies done by qPCR and western blotting depicted upregulation of tumor suppressor gene p53, pro-apoptotic Bax, and caspase-3 along with downregulated anti-apoptotic Bcl-2 gene and protein expression which further emphasized death by apoptosis. It is concluded regarding the feasibility of these casein nanoparticles as a delivery system with enhanced therapeutic outcomes against hepatocellular carcinoma cells.
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Affiliation(s)
- Aastha Mittal
- Department of Biological Sciences, Birla Institute of Technology of Science (BITS), Pilani Campus, Pilani, Rajasthan, India
| | - Neelam Mahala
- Department of Biological Sciences, Birla Institute of Technology of Science (BITS), Pilani Campus, Pilani, Rajasthan, India
- Department of Biotechnology, Parul Institute of Technology, Parul University, Vadodara, Gujarat, India
| | - Nikhil Hanamant Dhanawade
- Department of Biological Sciences, Birla Institute of Technology of Science (BITS), Pilani Campus, Pilani, Rajasthan, India
| | | | - Uma S Dubey
- Department of Biological Sciences, Birla Institute of Technology of Science (BITS), Pilani Campus, Pilani, Rajasthan, India
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Pan K, Li X, He J, Lei Y, Yang Y, Jiang D, Tang Y. Value of the NF-κB signalling pathway and the DNA repair gene PARP1 in predicting distant metastasis after breast cancer surgery. Sci Rep 2024; 14:4402. [PMID: 38388665 PMCID: PMC10883999 DOI: 10.1038/s41598-023-49156-4] [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: 07/11/2023] [Accepted: 12/05/2023] [Indexed: 02/24/2024] Open
Abstract
The DNA repair gene PARP1 and NF-κB signalling pathway affect the metastasis of breast cancer by influencing the drug resistance of cancer cells. Therefore, this study focused on the value of the DNA repair gene PARP1 and NF-κB pathway proteins in predicting the postoperative metastasis of breast cancer. A nested case‒control study was performed. Immunohistochemical methods were used to detect the expression of these genes in patients. ROC curves were used to analyse the predictive effect of these factors on distant metastasis. The COX model was used to evaluate the effects of PARP1 and TNF-α on distant metastasis. The results showed that the expression levels of PARP1, IKKβ, p50, p65 and TNF-α were significantly increased in the metastasis group (P < 0.001). PARP1 was correlated with IKKβ, p50, p65 and TNF-α proteins (P < 0.001). There was a correlation between IKKβ, p50, p65 and TNF-α proteins (P < 0.001). ROC curve analysis showed that immunohistochemical scores for PARP1 of > 6, IKKβ of > 4, p65 of > 4, p50 of > 2, and TNF-α of > 4 had value in predicting distant metastasis (SePARP1 = 78.35%, SpPARP1 = 79.38%, AUCPARP1 = 0.843; Sep50 = 64.95%, Spp50 = 70.10%, AUCp50 = 0.709; SeTNF-α = 60.82%, SpTNF-α = 69.07%, AUCTNF-α = 0.6884). Cox regression analysis showed that high expression levels of PARP1 and TNF-α were a risk factor for distant metastasis after breast cancer surgery (RRPARP1 = 4.092, 95% CI 2.475-6.766, P < 0.001; RRTNF-α = 1.825, 95% CI 1.189-2.799, P = 0.006). Taken together, PARP1 > 6, p50 > 2, and TNF-α > 4 have a certain value in predicting breast cancer metastasis, and the predictive value is better when they are combined for diagnosis (Secombine = 97.94%, Spcombine = 71.13%).
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Affiliation(s)
- Kaiyong Pan
- School of Public Health, Southwest Medical University, 1 Xianglin Road, Luzhou, 646000, Sichuan, China
| | - Xiabin Li
- Department of Pathology, The First Affiliated Hospital of Southwest Medical University, 25 Taiping Road, Luzhou, 646000, Sichuan, China
| | - Junfang He
- School of Public Health, Southwest Medical University, 1 Xianglin Road, Luzhou, 646000, Sichuan, China
| | - Yuxi Lei
- School of Public Health, Southwest Medical University, 1 Xianglin Road, Luzhou, 646000, Sichuan, China
| | - Yongxin Yang
- Guizhou QianNan People's Hospital, 9 Enfeng Road, Duyun, 558099, Guizhou, China
| | - Deyong Jiang
- Sichuan Luzhou Center for Disease Control, 31 Datong Road, Luzhou, 646000, Sichuan, China
| | - Yan Tang
- School of Public Health, Southwest Medical University, 1 Xianglin Road, Luzhou, 646000, Sichuan, China.
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Guleria M, Kumar A, Singh AK, Kumar P. Synthesis and In Silico Studies of Quinazolinones as PARP-1 Inhibitors. Comb Chem High Throughput Screen 2024; 27:1329-1343. [PMID: 37691193 DOI: 10.2174/1386207326666230905153443] [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: 02/24/2023] [Revised: 07/03/2023] [Accepted: 07/26/2023] [Indexed: 09/12/2023]
Abstract
BACKGROUND Cancer is a leading threat to humankind, accounting for nearly one million deaths in 2018, and the expected number of cancer-related deaths in 2040 is more than 16 million. The most common causes of cancer deaths are lung, colorectal, stomach, liver and breast cancer, while the highest number of new cancer cases belong to lung, breast, colorectal, prostate, stomach and liver cancer. INTRODUCTION PARP-1 is an enzyme that plays an important role in DNA repair, cell propagation/survival and death due to its influence on numerous biological processes. Quinazolinones represent an important scaffold in medicinal chemistry and have a broad spectrum of biological activities. METHODS In this study, we have synthesized quinazolinones by reaction of 2-aminobenzamide and substituted aldehydes. Molecular docking studies of synthesized compounds were performed for their PARP-1 binding affinities using Schrodinger 2016 software. In silico ADME studies were also performed for the synthesized compounds using the QikProp tool of Schrodinger software. RESULTS Results of molecular docking studies indicated that synthesized quinazolinones had a good affinity towards active site of PARP-1 and compound 4 had the best docking score (-10.343). Results of ADME studies indicated the drug-like properties of synthesized compounds, which make them suitable drug candidates. CONCLUSION All the synthesized compounds have a better docking score than niraparib (-9.05). Further, the synthesized compounds have a favorable ADME profile. Therefore, they may serve as important leads in discovering PARP-1 inhibitors.
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Affiliation(s)
- Maneesh Guleria
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Bathinda, 151401, India
- Department of Pharmaceutical Sciences and Technology, Maharaja Ranjit Sigh Punjab Technical University, Bathinda, 151001, India
| | - Adarsh Kumar
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Bathinda, 151401, India
| | - Ankit Kumar Singh
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Bathinda, 151401, India
| | - Pradeep Kumar
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Bathinda, 151401, India
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Lian Y, Li Y, Liu A, Ghosh S, Shi Y, Huang H. Dietary antioxidants and vascular calcification: From pharmacological mechanisms to challenges. Biomed Pharmacother 2023; 168:115693. [PMID: 37844356 DOI: 10.1016/j.biopha.2023.115693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 10/01/2023] [Accepted: 10/09/2023] [Indexed: 10/18/2023] Open
Abstract
Vascular calcification (VC), an actively regulated process, has been recognized as an independent and strong predictor of cardiovascular disease (CVD) and mortality worldwide. Diet has been shown to have a major role in the progression of VC. Oxidative stress (OS), a common pro-calcification factor, is closely related to VC, and evidence strongly suggests that dietary antioxidants directly prevent VC. Herein, we provided an overview of OS and its key role in VC and underlined the mechanisms of harmful effects of OS on VC. Furthermore, we introduced dietary antioxidants, and discussed about surrounding the challenges of dietary antioxidants in VC management. This review will benefit future research about the effects of dietary antioxidants on cardiovascular health.
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Affiliation(s)
- Yaxin Lian
- The Eighth Affiliated Hospital, Sun Yat-sen University, No. 3025, Shennan Middle Rd, Futian District, 518033 Shenzhen, China
| | - Yue Li
- The Eighth Affiliated Hospital, Sun Yat-sen University, No. 3025, Shennan Middle Rd, Futian District, 518033 Shenzhen, China
| | - Aiting Liu
- The Eighth Affiliated Hospital, Sun Yat-sen University, No. 3025, Shennan Middle Rd, Futian District, 518033 Shenzhen, China
| | - Sounak Ghosh
- Department of Internal Medicine, AMRI Hospital, Kolkata, India
| | - Yuncong Shi
- The Eighth Affiliated Hospital, Sun Yat-sen University, No. 3025, Shennan Middle Rd, Futian District, 518033 Shenzhen, China
| | - Hui Huang
- The Eighth Affiliated Hospital, Sun Yat-sen University, No. 3025, Shennan Middle Rd, Futian District, 518033 Shenzhen, China.
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9
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Chatterjee P, Karn R, Isaac AE, Ray S. Unveiling the vulnerabilities of synthetic lethality in triple-negative breast cancer. Clin Transl Oncol 2023; 25:3057-3072. [PMID: 37079210 DOI: 10.1007/s12094-023-03191-9] [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: 11/22/2022] [Accepted: 04/04/2023] [Indexed: 04/21/2023]
Abstract
Triple-negative breast cancer (TNBC) is the most invasive molecular subtype of breast cancer (BC), accounting for about nearly 15% of all BC cases reported annually. The absence of the three major BC hormone receptors, Estrogen (ER), Progesterone (PR), and Human Epidermal Growth Factor 2 (HER2) receptor, accounts for the characteristic "Triple negative" phraseology. The absence of these marked receptors makes this cancer insensitive to classical endocrine therapeutic approaches. Hence, the available treatment options remain solemnly limited to only conventional realms of chemotherapy and radiation therapy. Moreover, these therapeutic regimes are often accompanied by numerous treatment side-effects that account for early distant metastasis, relapse, and shorter overall survival in TNBC patients. The rigorous ongoing research in the field of clinical oncology has identified certain gene-based selective tumor-targeting susceptibilities, which are known to account for the molecular fallacies and mutation-based genetic alterations that develop the progression of TNBC. One such promising approach is synthetic lethality, which identifies novel drug targets of cancer, from undruggable oncogenes or tumor-suppressor genes, which cannot be otherwise clasped by the conventional approaches of mutational analysis. Herein, a holistic scientific review is presented, to undermine the mechanisms of synthetic lethal (SL) interactions in TNBC, the epigenetic crosstalks encountered, the role of Poly (ADP-ribose) polymerase inhibitors (PARPi) in inducing SL interactions, and the limitations faced by the lethal interactors. Thus, the future predicament of synthetic lethal interactions in the advancement of modern translational TNBC research is assessed with specific emphasis on patient-specific personalized medicine.
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Affiliation(s)
| | - Rohit Karn
- School of BioSciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Arnold Emerson Isaac
- School of BioSciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Smita Ray
- Department of Botany, Bethune College, Kolkata, West Bengal, 700006, India.
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Szebényi K, Füredi A, Bajtai E, Sama SN, Csiszar A, Gombos B, Szabó P, Grusch M, Szakács G. Effective targeting of breast cancer by the inhibition of P-glycoprotein mediated removal of toxic lipid peroxidation byproducts from drug tolerant persister cells. Drug Resist Updat 2023; 71:101007. [PMID: 37741091 DOI: 10.1016/j.drup.2023.101007] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 09/11/2023] [Accepted: 09/13/2023] [Indexed: 09/25/2023]
Abstract
Therapy resistance has long been considered to occur through the selection of pre-existing clones equipped to survive and quickly regrow, or through the acquisition of mutations during chemotherapy. Here we show that following in vitro treatment by chemotherapy, epithelial breast cancer cells adopt a transient drug tolerant phenotype characterized by cell cycle arrest, epithelial-to-mesenchymal transition (EMT) and the reversible upregulation of the multidrug resistance (MDR) efflux transporter P-glycoprotein (P-gp). The drug tolerant persister (DTP) state is reversible, as cells eventually resume proliferation, giving rise to a cell population resembling the initial, drug-naïve cell lines. However, recovery after doxorubicin treatment is almost completely eliminated when DTP cells are cultured in the presence of the P-gp inhibitor Tariquidar. Mechanistically, P-gp contributes to the survival of DTP cells by removing reactive oxygen species-induced lipid peroxidation products resulting from doxorubicin exposure. In vivo, prolonged administration of Tariquidar during doxorubicin treatment holidays resulted in a significant increase of the overall survival of Brca1-/-;p53-/- mammary tumor bearing mice. These results indicate that prolonged administration of a P-gp inhibitor during drug holidays would likely benefit patients without the risk of aggravated side effects related to the concomitantly administered toxic chemotherapy. Effective targeting of DTPs through the inhibition of P-glycoprotein may result in a paradigm shift, changing the focus from countering drug resistance mechanisms to preventing or delaying therapy resistance.
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Affiliation(s)
- Kornélia Szebényi
- Center for Cancer Research, Medical University of Vienna, Vienna, Austria; Institute of Enzymology, Research Centre for Natural Sciences, Budapest, Hungary.
| | - András Füredi
- Center for Cancer Research, Medical University of Vienna, Vienna, Austria; Institute of Enzymology, Research Centre for Natural Sciences, Budapest, Hungary; Institute of Technical Physics and Materials Science, Centre of Energy Research, Budapest, Hungary
| | - Eszter Bajtai
- Center for Cancer Research, Medical University of Vienna, Vienna, Austria; Institute of Enzymology, Research Centre for Natural Sciences, Budapest, Hungary; Doctoral School of Pathological Sciences, Semmelweis University, Budapest, Hungary
| | - Sai Nagender Sama
- Center for Cancer Research, Medical University of Vienna, Vienna, Austria
| | - Agnes Csiszar
- Center for Cancer Research, Medical University of Vienna, Vienna, Austria
| | - Balázs Gombos
- Institute of Enzymology, Research Centre for Natural Sciences, Budapest, Hungary; Doctoral School of Molecular Medicine, Semmelweis University, Budapest, Hungary
| | - Pál Szabó
- Centre for Structural Study, Research Centre for Natural Sciences, Budapest, Hungary
| | - Michael Grusch
- Center for Cancer Research, Medical University of Vienna, Vienna, Austria
| | - Gergely Szakács
- Center for Cancer Research, Medical University of Vienna, Vienna, Austria; Institute of Enzymology, Research Centre for Natural Sciences, Budapest, Hungary.
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Garrett O, Whalen KE. A bacterial quorum sensing signal is a potent inhibitor of de novo pyrimidine biosynthesis in the globally abundant Emiliania huxleyi. Front Microbiol 2023; 14:1266972. [PMID: 37869665 PMCID: PMC10587436 DOI: 10.3389/fmicb.2023.1266972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 09/08/2023] [Indexed: 10/24/2023] Open
Abstract
Interactions between marine phytoplankton, viruses, and bacteria drive biogeochemical cycling, shape marine trophic structures, and impact global climate. Microbially produced compounds have emerged as key players in influencing eukaryotic organismal physiology, and in turn, remodel microbial community structure. This work aimed to reveal the molecular mechanism by which the bacterial quorum sensing molecule 2-heptyl-4-quinolone (HHQ), produced by the marine gammaproteobacterium Pseudoalteromonas spp., arrests cell division and confers protection from virus-induced mortality in the bloom-forming coccolithophore Emiliania huxleyi. Previous work has established alkylquinolones as inhibitors of dihydroorotate dehydrogenase (DHODH), a fundamental enzyme catalyzing the fourth step in pyrimidine biosynthesis and a potential antiviral drug target. An N-terminally truncated version of E. huxleyi DHODH was heterologously expressed in E. coli, purified, and kinetically characterized. Here, we show HHQ is a potent inhibitor (Ki of 2.3 nM) of E. huxleyi DHODH. E. huxleyi cells exposed to brequinar, the canonical human DHODH inhibitor, experienced immediate, yet reversible cellular arrest, an effect which mirrors HHQ-induced cellular stasis previously observed. However, brequinar treatment lacked other notable effects observed in HHQ-exposed E. huxleyi including significant changes in cell size, chlorophyll fluorescence, and protection from virus-induced lysis, indicating HHQ has additional as yet undiscovered physiological targets. Together, these results suggest a novel and intricate role of bacterial quorum sensing molecules in tripartite interdomain interactions in marine ecosystems, opening new avenues for exploring the role of microbial chemical signaling in algal bloom regulation and host-pathogen dynamics.
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Affiliation(s)
| | - Kristen E. Whalen
- Department of Biology, Haverford College, Haverford, PA, United States
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12
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Sanookpan K, Chantaravisoot N, Kalpongnukul N, Chuenjit C, Wattanathamsan O, Shoaib S, Chanvorachote P, Buranasudja V. Pharmacological Ascorbate Elicits Anti-Cancer Activities against Non-Small Cell Lung Cancer through Hydrogen-Peroxide-Induced-DNA-Damage. Antioxidants (Basel) 2023; 12:1775. [PMID: 37760080 PMCID: PMC10525775 DOI: 10.3390/antiox12091775] [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: 07/27/2023] [Revised: 09/07/2023] [Accepted: 09/15/2023] [Indexed: 09/29/2023] Open
Abstract
Non-small cell lung cancer (NSCLC) poses a significant global health burden with unsatisfactory survival rates, despite advancements in diagnostic and therapeutic modalities. Novel therapeutic approaches are urgently required to improve patient outcomes. Pharmacological ascorbate (P-AscH-; ascorbate at millimolar concentration in plasma) emerged as a potential candidate for cancer therapy for recent decades. In this present study, we explore the anti-cancer effects of P-AscH- on NSCLC and elucidate its underlying mechanisms. P-AscH- treatment induces formation of cellular oxidative distress; disrupts cellular bioenergetics; and leads to induction of apoptotic cell death and ultimately reduction in clonogenic survival. Remarkably, DNA and DNA damage response machineries are identified as vulnerable targets for P-AscH- in NSCLC therapy. Treatments with P-AscH- increase the formation of DNA damage and replication stress markers while inducing mislocalization of DNA repair machineries. The cytotoxic and genotoxic effects of P-AscH- on NSCLC were reversed by co-treatment with catalase, highlighting the roles of extracellular hydrogen peroxide in anti-cancer activities of P-AscH-. The data from this current research advance our understanding of P-AscH- in cancer treatment and support its potential clinical use as a therapeutic option for NSCLC therapy.
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Affiliation(s)
- Kittipong Sanookpan
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand; (K.S.); (O.W.); (S.S.); (P.C.)
- Nabsolute Co., Ltd., Bangkok 10330, Thailand
| | - Naphat Chantaravisoot
- Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand; (N.C.); (C.C.)
- Center of Excellence in Systems Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
- Center of Excellence in Systems Biology, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand;
| | - Nuttiya Kalpongnukul
- Center of Excellence in Systems Biology, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand;
- Research Affairs, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
| | - Chatchapon Chuenjit
- Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand; (N.C.); (C.C.)
| | - Onsurang Wattanathamsan
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand; (K.S.); (O.W.); (S.S.); (P.C.)
| | - Sara Shoaib
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand; (K.S.); (O.W.); (S.S.); (P.C.)
| | - Pithi Chanvorachote
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand; (K.S.); (O.W.); (S.S.); (P.C.)
- Center of Excellence in Cancer Cell and Molecular Biology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
| | - Visarut Buranasudja
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand; (K.S.); (O.W.); (S.S.); (P.C.)
- Center of Excellence in Natural Products for Ageing and Chronic Diseases, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
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13
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Kaur M, Misra S, Swarnkar P, Patel P, Das Kurmi B, Das Gupta G, Singh A. Understanding the role of hyperglycemia and the molecular mechanism associated with diabetic neuropathy and possible therapeutic strategies. Biochem Pharmacol 2023; 215:115723. [PMID: 37536473 DOI: 10.1016/j.bcp.2023.115723] [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: 04/24/2023] [Revised: 07/26/2023] [Accepted: 07/27/2023] [Indexed: 08/05/2023]
Abstract
Diabetic neuropathy is a neuro-degenerative disorder that encompasses numerous factors that impact peripheral nerves in the context of diabetes mellitus (DM). Diabetic peripheral neuropathy (DPN) is very prevalent and impacts 50% of diabetic patients. DPN is a length-dependent peripheral nerve lesion that primarily causes distal sensory loss, discomfort, and foot ulceration that may lead to amputation. The pathophysiology is yet to be fully understood, but current literature on the pathophysiology of DPN revolves around understanding various signaling cascades involving the polyol, hexosamine, protein-kinase C, AGE, oxidative stress, and poly (ADP ribose) polymerase pathways. The results of research have suggested that hyperglycemia target Schwann cells and in severe cases, demyelination resulting in central and peripheral sensitization is evident in diabetic patients. Various diagnostic approaches are available, but detection at an early stage remains a challenge. Traditional analgesics and opioids that can be used "as required" have not been the mainstay of treatment thus far. Instead, anticonvulsants and antidepressants that must be taken routinely over time have been the most common treatments. For now, prolonging life and preserving the quality of life are the ultimate goals of diabetes treatment. Furthermore, the rising prevalence of DPN has substantial consequences for occupational therapy because such therapy is necessary for supporting wellness, warding off other chronic-diseases, and avoiding the development of a disability; this is accomplished by engaging in fulfilling activities like yoga, meditation, and physical exercise. Therefore, occupational therapy, along with palliative therapy, may prove to be crucial in halting the onset of neuropathic-symptoms and in lessening those symptoms once they have occurred.
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Affiliation(s)
- Mandeep Kaur
- Department of Pharmacology, ISF College of Pharmacy, GT Road, Ghal Kalan, Moga142001, Punjab, India
| | - Sakshi Misra
- Department of Pharmacology, ISF College of Pharmacy, GT Road, Ghal Kalan, Moga142001, Punjab, India
| | - Priyanka Swarnkar
- Department of Pharmacology, ISF College of Pharmacy, GT Road, Ghal Kalan, Moga142001, Punjab, India
| | - Preeti Patel
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, GT Road, Ghal Kalan, Moga 142001, Punjab, India
| | - Balak Das Kurmi
- Department of Pharmaceutics, ISF College of Pharmacy, GT Road, Ghal Kalan, Moga 142001, Punjab, India
| | - Ghanshyam Das Gupta
- Department of Pharmaceutics, ISF College of Pharmacy, GT Road, Ghal Kalan, Moga 142001, Punjab, India
| | - Amrita Singh
- Department of Pharmacology, ISF College of Pharmacy, GT Road, Ghal Kalan, Moga142001, Punjab, India.
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14
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Chen R, Zou J, Kang R, Tang D. The Redox Protein High-Mobility Group Box 1 in Cell Death and Cancer. Antioxid Redox Signal 2023; 39:569-590. [PMID: 36999916 DOI: 10.1089/ars.2023.0236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/01/2023]
Abstract
Significance: As a redox-sensitive protein, high-mobility group box 1 (HMGB1) is implicated in regulating stress responses to oxidative damage and cell death, which are closely related to the pathology of inflammatory diseases, including cancer. Recent Advances: HMGB1 is a nonhistone nuclear protein that acts as a deoxyribonucleic acid chaperone to control chromosomal structure and function. HMGB1 can also be released into the extracellular space and function as a damage-associated molecular pattern protein during cell death, including during apoptosis, necrosis, necroptosis, pyroptosis, ferroptosis, alkaliptosis, and cuproptosis. Once released, HMGB1 binds to membrane receptors to shape immune and metabolic responses. In addition to subcellular localization, the function and activity of HMGB1 also depend on its redox state and protein posttranslational modifications. Abnormal HMGB1 plays a dual role in tumorigenesis and anticancer therapy (e.g., chemotherapy, radiation therapy, and immunotherapy) depending on the tumor types and stages. Critical Issues: A comprehensive understanding of the role of HMGB1 in cellular redox homeostasis is important for deciphering normal cellular functions and pathological manifestations. In this review, we discuss compartmental-defined roles of HMGB1 in regulating cell death and cancer. Understanding these advances may help us develop potential HMGB1-targeting drugs or approaches to treat oxidative stress-related diseases or pathological conditions. Future Directions: Further studies are required to dissect the mechanism by which HMGB1 maintains redox homeostasis under different stress conditions. A multidisciplinary effort is also required to evaluate the potential applications of precisely targeting the HMGB1 pathway in human health and disease. Antioxid. Redox Signal. 39, 569-590.
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Affiliation(s)
- Ruochan Chen
- Hunan Key Laboratory of Viral Hepatitis; Central South University, Changsha, China
- Department of Infectious Diseases; Xiangya Hospital, Central South University, Changsha, China
| | - Ju Zou
- Hunan Key Laboratory of Viral Hepatitis; Central South University, Changsha, China
- Department of Infectious Diseases; Xiangya Hospital, Central South University, Changsha, China
| | - Rui Kang
- Department of Surgery, UT Southwestern Medical Center, Dallas, Texas, USA
| | - Daolin Tang
- Department of Surgery, UT Southwestern Medical Center, Dallas, Texas, USA
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15
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Liu Q, Gao K, Ding X, Mo D, Guo H, Chen B, Xia B, Ye C, Chen G, Guo C. NAMPT inhibition relieves intestinal inflammation by regulating macrophage activation in experimental necrotizing enterocolitis. Biomed Pharmacother 2023; 165:115012. [PMID: 37329710 DOI: 10.1016/j.biopha.2023.115012] [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: 03/30/2023] [Revised: 06/07/2023] [Accepted: 06/11/2023] [Indexed: 06/19/2023] Open
Abstract
Nicotinamide phosphoribosyl transferase (NAMPT) is associated with various NAD+ -consuming enzymatic reactions. The precise role in intestinal mucosal immunity in necrotizing enterocolitis (NEC) is not well defined. Here, we examined whether NAMPT inhibition by the highly specific inhibitor FK866 could alleviate intestinal inflammation during the pathogenesis of NEC. In the present study, we showed that NAMPT expression was upregulated in the human terminal ileum of human infants with NEC. FK866 administration attenuated M1 macrophage polarization and relieved the symptoms of experimental NEC pups. FK866 inhibited intercellular NAD+ levels, macrophage M1 polarization, and the expression of NAD+ -dependent enzymes, such as poly (ADP ribose) polymerase 1 (PARP1) and Sirt6. Consistently, the capacity of macrophages to phagocytose zymosan particles, as well as antibacterial activity, were impaired by FK866, whereas NMN supplementation to restore NAD+ levels reversed the changes in phagocytosis and antibacterial activity. In conclusion, FK866 reduced intestinal macrophage infiltration and skewed macrophage polarization, which is implicated in intestinal mucosal immunity, thereby promoting the survival of NEC pups.
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Affiliation(s)
- Qianyang Liu
- Department of Pediatrics, Chongqing Health Center for Women and Children, Chongqing, China; Department of Pediatric Surgery, Chongqing Health Center for Women and Children, Chongqing Medical University, Chongqing 400054, China; Department of Obstetrics and Gynecology, Women and Chidren's Hospital, Chongqing Medical University, Chongqing, China
| | - Kai Gao
- Department of Pediatrics, Chongqing Health Center for Women and Children, Chongqing, China; Department of Pediatric Surgery, Chongqing Health Center for Women and Children, Chongqing Medical University, Chongqing 400054, China
| | - Xionghui Ding
- Department of Burn, Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Dandan Mo
- Department of Pediatric Surgery, Chongqing Health Center for Women and Children, Chongqing Medical University, Chongqing 400054, China
| | - Hongjie Guo
- Department of anesthesiology, Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Bailin Chen
- Department of General Surgery, Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Bingshan Xia
- Department of Pediatrics, Chongqing Health Center for Women and Children, Chongqing, China; Department of Pediatric Surgery, Chongqing Health Center for Women and Children, Chongqing Medical University, Chongqing 400054, China; Department of Obstetrics and Gynecology, Women and Chidren's Hospital, Chongqing Medical University, Chongqing, China
| | - Cuilian Ye
- School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, China
| | - Gongli Chen
- Department of Pediatrics, Chongqing Health Center for Women and Children, Chongqing, China; Department of Pediatric Surgery, Chongqing Health Center for Women and Children, Chongqing Medical University, Chongqing 400054, China; Department of Obstetrics and Gynecology, Women and Chidren's Hospital, Chongqing Medical University, Chongqing, China.
| | - Chunbao Guo
- Department of Pediatrics, Chongqing Health Center for Women and Children, Chongqing, China; Department of Pediatric Surgery, Chongqing Health Center for Women and Children, Chongqing Medical University, Chongqing 400054, China; Department of Obstetrics and Gynecology, Women and Chidren's Hospital, Chongqing Medical University, Chongqing, China.
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16
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Kiddane AT, Roy VC, Kang MJ, Patil MP, Chun BS, Kim GD. Anticancer and apoptotic activity in neuroblastoma SK-N-SH using phospholipid extract from bone of Scomberomorus niphonius. Chem Biol Drug Des 2023; 102:424-433. [PMID: 36303298 DOI: 10.1111/cbdd.14165] [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: 08/04/2022] [Revised: 09/29/2022] [Accepted: 10/22/2022] [Indexed: 12/01/2022]
Abstract
Among various types children's health challenges, neuroblastoma is the most serious solid neoplasm forming outside the cranium. Scomberomorus niphonius is a valuable edible fish that has been widely used for a meal. In this study, we obtained phospholipid extract from the bone of S. niphonius with the supercritical CO2 extraction method and tested anticancer activity with a cell viability assay. The phospholipid showed anticancer activity on neuroblastoma SK-N-SH cells, and the anticancer activity was presented with an IC50 of 710.25 ± 28.31 μg/ml, but did not show a significant toxicity on HUVEC cell lines. Western blot was used to detect signaling proteins; Bak, caspase-9, caspase-8, caspase-3, Bax, and IκBα were increased, whereas IKKβ and NFκB were downregulated in experimental groups compared to untreated groups. Gene expression was revealed by RT-qPCR, and the fold ratio of Apaf-1, cytochrome-c, caspase-9, caspase-3, and Bax genes' expression was raised in treated groups, implying apoptosis. Gel electrophoresis revealed that the experimental groups had more fragmented DNA than the control group. The study shows that a phospholipid extract from S. niphonius' bone could be used as a biological origin of anticancer activity in neuroblastoma SK-N-SH cells.
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Affiliation(s)
- Anley Teferra Kiddane
- Department of Microbiology, Laboratory of Cell Signaling, College of Natural Science, Pukyong National University, Busan, Korea
| | - Vikash Chandra Roy
- Department of Food Science and Technology, Pukyong National University, Busan, Korea
- Department of Fisheries Technology, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh
| | - Min-Jae Kang
- Department of Microbiology, Laboratory of Cell Signaling, College of Natural Science, Pukyong National University, Busan, Korea
| | | | - Byung-Soo Chun
- Department of Food Science and Technology, Pukyong National University, Busan, Korea
| | - Gun-Do Kim
- Department of Microbiology, Laboratory of Cell Signaling, College of Natural Science, Pukyong National University, Busan, Korea
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17
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Maia MDS, Mendonça-Junior FJB, Rodrigues GCS, da Silva AS, de Oliveira NIP, da Silva PR, Felipe CFB, Gurgel APAD, Nayarisseri A, Scotti MT, Scotti L. Virtual Screening of Different Subclasses of Lignans with Anticancer Potential and Based on Genetic Profile. Molecules 2023; 28:6011. [PMID: 37630263 PMCID: PMC10459202 DOI: 10.3390/molecules28166011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 07/26/2023] [Accepted: 08/04/2023] [Indexed: 08/27/2023] Open
Abstract
Cancer is a multifactorial disease that continues to increase. Lignans are known to be important anticancer agents. However, due to the structural diversity of lignans, it is difficult to associate anticancer activity with a particular subclass. Therefore, the present study sought to evaluate the association of lignan subclasses with antitumor activity, considering the genetic profile of the variants of the selected targets. To do so, predictive models were built against the targets tyrosine-protein kinase ABL (ABL), epidermal growth factor receptor erbB1 (EGFR), histone deacetylase (HDAC), serine/threonine-protein kinase mTOR (mTOR) and poly [ADP-ribose] polymerase-1 (PARP1). Then, single nucleotide polymorphisms were mapped, target mutations were designed, and molecular docking was performed with the lignans with the best predicted biological activity. The results showed more anticancer activity in the dibenzocyclooctadiene, furofuran and aryltetralin subclasses. The lignans with the best predictive values of biological activity showed varying binding energy results in the presence of certain genetic variants.
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Affiliation(s)
- Mayara dos Santos Maia
- Department of Molecular Biology, Federal University of Paraíba, João Pessoa 58051-900, PB, Brazil;
| | - Francisco Jaime Bezerra Mendonça-Junior
- Laboratory of Synthesis and Drug Delivery, State Universtiy of Paraiba, João Pessoa 58071-160, PB, Brazil
- Postgraduate Program in Natural Synthetic and Bioactive Products (PgPNSB), Federal University of Paraíba, João Pessoa 58033-455, PB, Brazil; (P.R.d.S.); (C.F.B.F.); (M.T.S.); (L.S.)
| | | | - Adriano Soares da Silva
- Program in Ecology and Environmental Monitoring, Federal University of Paraíba, João Pessoa 58059-900, PB, Brazil; (A.S.d.S.); (N.I.P.d.O.)
| | - Niara Isis Pereira de Oliveira
- Program in Ecology and Environmental Monitoring, Federal University of Paraíba, João Pessoa 58059-900, PB, Brazil; (A.S.d.S.); (N.I.P.d.O.)
| | - Pablo Rayff da Silva
- Postgraduate Program in Natural Synthetic and Bioactive Products (PgPNSB), Federal University of Paraíba, João Pessoa 58033-455, PB, Brazil; (P.R.d.S.); (C.F.B.F.); (M.T.S.); (L.S.)
| | - Cícero Francisco Bezerra Felipe
- Postgraduate Program in Natural Synthetic and Bioactive Products (PgPNSB), Federal University of Paraíba, João Pessoa 58033-455, PB, Brazil; (P.R.d.S.); (C.F.B.F.); (M.T.S.); (L.S.)
| | | | - Anuraj Nayarisseri
- In Silico Research Laboratory, Eminent Bioscience, Indore 452010, Madhya Pradesh, India;
| | - Marcus Tullius Scotti
- Postgraduate Program in Natural Synthetic and Bioactive Products (PgPNSB), Federal University of Paraíba, João Pessoa 58033-455, PB, Brazil; (P.R.d.S.); (C.F.B.F.); (M.T.S.); (L.S.)
- Laboratory of Cheminformatics, Health Sciences Center, Federal University of Paraíba, João Pessoa 58033-455, PB, Brazil
| | - Luciana Scotti
- Postgraduate Program in Natural Synthetic and Bioactive Products (PgPNSB), Federal University of Paraíba, João Pessoa 58033-455, PB, Brazil; (P.R.d.S.); (C.F.B.F.); (M.T.S.); (L.S.)
- Laboratory of Cheminformatics, Health Sciences Center, Federal University of Paraíba, João Pessoa 58033-455, PB, Brazil
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18
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Wang L, Jiang C, Hu D. PARP10 is highly expressed and associated with inferior outcomes in acute myeloid leukemia. Aging (Albany NY) 2023; 15:6757-6773. [PMID: 37506247 PMCID: PMC10415541 DOI: 10.18632/aging.204832] [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: 01/06/2023] [Accepted: 06/09/2023] [Indexed: 07/30/2023]
Abstract
Acute myeloid leukemia is a heterogeneous disease of the hematopoietic system, which possesses a poor prognosis; thus, the identification of novel molecular markers is urgently needed to better define the risk stratification and optimize treatment therapies for this disease. Here, we investigated the roles of the PARP family genes in AML by analyzing their mRNA expression profiles and their association with clinical features using data from TCGA and GSE. Our results showed that PARP10 was significantly more highly expressed in AML samples than in normal controls, and high expression of PARP10 was associated with older age (≥60 years, P = 0.012), more frequent TP53 mutations (P = 0.024), high-risk stratification (P < 0.05), and poorer outcomes (P < 0.05). Patients with high expression of PARP10 exhibited significantly poorer overall survival (OS) and event-free survival (EFS) than those with low PARP10 expressions (OS: median: 0.88 vs. 2.19 years; P = 0.001; EFS: median: 0.65 vs. 1.12 years; P = 0.041). Multivariate analysis indicated that high expression of PARP10 was an independent risk factor for poorer OS and EFS in AML patients. Moreover, we found that allo-SCT improved OS for AML patients with high PARP10 expression but not for patients with low PARP10 expression, while allo-SCT decreased EFS for patients with low PARP10 expression. Finally, we confirmed that PARP10 knockout impaired AML cell proliferation in vitro. In summary, our data suggested that PARP10 is aberrantly expressed in AML, and high expression of PARP10 might be a biomarker for poor prognosis and also a potential indicator for allo-SCT therapy, which might provide precise treatment indications for physicians.
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Affiliation(s)
- Ling Wang
- Department of Child Healthcare, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, Guangzhou, China
- Guangzhou Key Laboratory of Child Neurodevelopment, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Chuang Jiang
- Bioland Laboratory, Guangzhou Regenerative Medicine and Health Guangdong Laboratory, Guangzhou, China
- Guangzhou National Laboratory, Guangzhou, China
| | - Dandan Hu
- Department of Child Healthcare, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, Guangzhou, China
- Guangzhou Key Laboratory of Child Neurodevelopment, Guangzhou Women and Children’s Medical Center, Guangzhou Medical University, Guangzhou, China
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19
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Dutta RP, Kumar R, Tembhare PR, Bagal B, Swain RK, Hasan SK. Targeting transcriptional kinase of CDK7 halts proliferation of multiple myeloma cells by modulating the function of canonical NF-kB pathway and cell cycle regulatory proteins. Transl Oncol 2023; 35:101729. [PMID: 37369156 DOI: 10.1016/j.tranon.2023.101729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 06/17/2023] [Accepted: 06/20/2023] [Indexed: 06/29/2023] Open
Abstract
Multiple myeloma (MM) is an incurable plasma cell neoplasm. Despite several effective frontline therapeutic regimens, including Bortezomib (BTZ), relapse is almost inevitable; therefore, better therapeutic modalities to improve the outcomes are needed. Cyclin-dependent kinases (CDKs) are an essential constituent of the cellular transcriptional machinery and tumors including MM are critically dependent on transcription to maintain their oncogenic state. In the present study, we explored the efficacy of THZ1, a covalent CDK7 inhibitor in MM treatment using Bortezomib resistant (H929BTZR) cells and zebrafish xenografts. THZ1 showed anti-myeloma activity in the models of MM but had no effect on healthy CD34+ cells. THZ1 suppresses phosphorylation of carboxy-terminal domain of RNA polymerase II and downregulates the transcription of BCL2 family of proteins both in H929BTZS and H929BTZR cells leading to G1/S arrest and apoptosis. THZ1 mediates inhibition of bone marrow stromal cells-induced proliferation and activation of NF-kB signaling. The data derived from zebrafish xenografts of MM demonstrate that THZ1 combined with BTZ synergistically reduces tumor growth in zebrafish embryos. Collectively, our results reveal that THZ1 alone as well as in combination with BTZ has effective anti-myeloma activity.
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Affiliation(s)
- Rudra Prasad Dutta
- Hasan Lab, ACTREC-Tata Memorial Centre, Mumbai, India; Hematology and Medical Oncology, Mount Sinai School of Medicine, New York, NY, USA
| | - Rohit Kumar
- Hasan Lab, ACTREC-Tata Memorial Centre, Mumbai, India; Department of Medicine, Baylor College of Medicine, Houston, TX, USA
| | | | - Bhausaheb Bagal
- Adult Hematolymphoid Disease Management Group, Department of Medical Oncology, Tata Memorial Centre, Mumbai, India
| | - Rajeeb Kumar Swain
- Developmental Biology, Institute of Life Sciences, Bhubaneswar, Bhubaneswar, India
| | - Syed Khizer Hasan
- Hasan Lab, ACTREC-Tata Memorial Centre, Mumbai, India; Homi Bhabha National Institute, Mumbai, India.
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20
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Chen C, Yan W, Tao M, Fu Y. NAD + Metabolism and Immune Regulation: New Approaches to Inflammatory Bowel Disease Therapies. Antioxidants (Basel) 2023; 12:1230. [PMID: 37371959 DOI: 10.3390/antiox12061230] [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: 03/27/2023] [Revised: 05/26/2023] [Accepted: 05/31/2023] [Indexed: 06/29/2023] Open
Abstract
Inflammatory bowel disease (IBD), which includes Crohn's disease (CD) and ulcerative colitis (UC), is a multifactorial systemic inflammatory immune response. Nicotinamide adenine dinucleotide (NAD+) is a co-enzyme involved in cell signaling and energy metabolism. Calcium homeostasis, gene transcription, DNA repair, and cell communication involve NAD+ and its degradation products. There is a growing recognition of the intricate relationship between inflammatory diseases and NAD+ metabolism. In the case of IBD, the maintenance of intestinal homeostasis relies on a delicate balance between NAD+ biosynthesis and consumption. Consequently, therapeutics designed to target the NAD+ pathway are promising for the management of IBD. This review discusses the metabolic and immunoregulatory processes of NAD+ in IBD to examine the molecular biology and pathophysiology of the immune regulation of IBD and to provide evidence and theoretical support for the clinical use of NAD+ in IBD.
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Affiliation(s)
- Chaoyue Chen
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Wei Yan
- Department of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Meihui Tao
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yu Fu
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
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21
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Tang H, Kulkarni S, Peters C, Eddison J, Al-Ani M, Madhusudan S. The Current Status of DNA-Repair-Directed Precision Oncology Strategies in Epithelial Ovarian Cancers. Int J Mol Sci 2023; 24:ijms24087293. [PMID: 37108451 PMCID: PMC10138422 DOI: 10.3390/ijms24087293] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 04/10/2023] [Accepted: 04/12/2023] [Indexed: 04/29/2023] Open
Abstract
Survival outcomes for patients with advanced ovarian cancer remain poor despite advances in chemotherapy and surgery. Platinum-based systemic chemotherapy can result in a response rate of up to 80%, but most patients will have recurrence and die from the disease. Recently, the DNA-repair-directed precision oncology strategy has generated hope for patients. The clinical use of poly(ADP-ribose) polymerase (PARP) inhibitors in BRCA germ-line-deficient and/or platinum-sensitive epithelial ovarian cancers has improved survival. However, the emergence of resistance is an ongoing clinical challenge. Here, we review the current clinical state of PARP inhibitors and other clinically viable targeted approaches in epithelial ovarian cancers.
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Affiliation(s)
- Hiu Tang
- Department of Oncology, Nottingham University Hospitals, Nottingham NG5 1PB, UK
| | - Sanat Kulkarni
- Department of Medicine, Sandwell and West Birmingham Hospitals, Lyndon, West Bromwich B71 4HJ, UK
| | - Christina Peters
- Department of Oncology, Sussex Cancer Centre, University Hospitals Sussex NHS Foundation Trust, Brighton BN2 5BD, UK
| | - Jasper Eddison
- College of Medical & Dental Sciences, University of Birmingham Medical School, Birmingham B15 2TT, UK
| | - Maryam Al-Ani
- Department of Oncology, Nottingham University Hospitals, Nottingham NG5 1PB, UK
| | - Srinivasan Madhusudan
- Department of Oncology, Nottingham University Hospitals, Nottingham NG5 1PB, UK
- Nottingham Biodiscovery Institute, School of Medicine, University of Nottingham, University Park, Nottingham NG7 3RD, UK
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22
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Neves KB, Alves-Lopes R, Montezano AC, Touyz RM. Role of PARP and TRPM2 in VEGF Inhibitor-Induced Vascular Dysfunction. J Am Heart Assoc 2023; 12:e027769. [PMID: 36802924 PMCID: PMC10111475 DOI: 10.1161/jaha.122.027769] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
Abstract
Background Hypertension and vascular toxicity are major unwanted side effects of antiangiogenic drugs, such as vascular endothelial growth factor inhibitors (VEGFis), which are effective anticancer drugs but have unwanted side effects, including vascular toxicity and hypertension. Poly (ADP-ribose) polymerase (PARP) inhibitors, used to treat ovarian and other cancers, have also been associated with elevated blood pressure. However, when patients with cancer receive both olaparib, a PARP inhibitor, and VEGFi, the risk of blood pressure elevation is reduced. Underlying molecular mechanisms are unclear, but PARP-regulated transient receptor potential cation channel, subfamily M, member 2 (TRPM2), a redox-sensitive calcium channel, may be important. We investigated whether PARP/TRPM2 plays a role in VEGFi-induced vascular dysfunction and whether PARP inhibition ameliorates the vasculopathy associated with VEGF inhibition. Methods and Results Human vascular smooth muscle cells (VSMCs), human aortic endothelial cells, and wild-type mouse mesenteric arteries were studied. Cells/arteries were exposed to axitinib (VEGFi) alone and in combination with olaparib. Reactive oxygen species production, Ca2+ influx, protein/gene analysis, PARP activity, and TRPM2 signaling were assessed in VSMCs, and nitric oxide levels were determined in endothelial cells. Vascular function was assessed by myography. Axitinib increased PARP activity in VSMCs in a reactive oxygen species-dependent manner. Endothelial dysfunction and hypercontractile responses were ameliorated by olaparib and a TRPM2 blocker (8-Br-cADPR). VSMC reactive oxygen species production, Ca2+ influx, and phosphorylation of myosin light chain 20 and endothelial nitric oxide synthase (Thr495) were augmented by axitinib and attenuated by olaparib and TRPM2 inhibition. Proinflammatory markers were upregulated in axitinib-stimulated VSMCs, which was reduced by reactive oxygen species scavengers and PARP-TRPM2 inhibition. Human aortic endothelial cells exposed to combined olaparib and axitinib showed nitric oxide levels similar to VEGF-stimulated cells. Conclusions Axitinib-mediated vascular dysfunction involves PARP and TRPM2, which, when inhibited, ameliorate the injurious effects of VEGFi. Our findings define a potential mechanism whereby PARP inhibitor may attenuate vascular toxicity in VEGFi-treated patients with cancer.
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Affiliation(s)
- Karla B Neves
- Institute of Cardiovascular and Medical Sciences University of Glasgow Glasgow United Kingdom.,Strathclyde Institute of Pharmacy and Biomedical Sciences University of Strathclyde Glasgow United Kingdom
| | - Rheure Alves-Lopes
- Institute of Cardiovascular and Medical Sciences University of Glasgow Glasgow United Kingdom
| | - Augusto C Montezano
- Institute of Cardiovascular and Medical Sciences University of Glasgow Glasgow United Kingdom.,Research Institute of the McGill University Health Centre (RI-MUHC) McGill University Montreal Canada
| | - Rhian M Touyz
- Institute of Cardiovascular and Medical Sciences University of Glasgow Glasgow United Kingdom.,Research Institute of the McGill University Health Centre (RI-MUHC) McGill University Montreal Canada
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23
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Abstract
SIGNIFICANCE As a redox-sensitive protein, high-mobility group box 1 (HMGB1) is implicated in regulating stress responses to oxidative damage and cell death, which are closely related to the pathology of inflammatory diseases, including cancer. RECENT ADVANCES HMGB1 is a non-histone nuclear protein that acts as a DNA chaperone to control chromosomal structure and function. HMGB1 can also be released into the extracellular space and function as a damage-associated molecular pattern protein during cell death, including during apoptosis, necrosis, necroptosis, pyroptosis, ferroptosis, alkaliptosis, and cuproptosis. Once released, HMGB1 binds to membrane receptors to shape immune and metabolic responses. In addition to subcellular localization, the function and activity of HMGB1 also depends on its redox state and protein posttranslational modifications. Abnormal HMGB1 plays a dual role in tumorigenesis and anticancer therapy (e.g., chemotherapy, radiation therapy, and immunotherapy) depending on tumor types and stages. CRITICAL ISSUES A comprehensive understanding of the role of HMGB1 in cellular redox homeostasis is important for deciphering normal cellular functions and pathological manifestations. In this review, we discuss compartmental-defined roles of HMGB1 in regulating cell death and cancer. Understanding these advances may help us develop potential HMGB1-targeting drugs or approaches to treat oxidative stress-related diseases or pathological conditions. FUTURE DIRECTIONS Further studies are required to dissect the mechanism by which HMGB1 maintains redox homeostasis under different stress conditions. A multidisciplinary effort is also required to evaluate the potential applications of precisely targeting the HMGB1 pathway in human health and disease.
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Affiliation(s)
- Ruochan Chen
- Central South University, 12570, Changsha, Hunan, China;
| | - Ju Zou
- Central South University, 12570, Changsha, Hunan, China;
| | - Rui Kang
- UTSW, 12334, Dallas, Texas, United States;
| | - Doalin Tang
- UTSW, 12334, Surgery, 5323 Harry Hines Blvd, Dallas, Texas, United States, 75390-9096;
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24
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Banerjee S, Sharma S, Thakur A, Sachdeva R, Sharma R, Nepali K, Liou JP. N-Heterocycle based Degraders (PROTACs) Manifesting Anticancer Efficacy: Recent Advances. Curr Drug Targets 2023; 24:1184-1208. [PMID: 37946353 DOI: 10.2174/0113894501273969231102095615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 10/06/2023] [Accepted: 10/16/2023] [Indexed: 11/12/2023]
Abstract
Proteolysis Targeting Chimeras (PROTACs) technology has emerged as a promising strategy for the treatment of undruggable therapeutic targets. Researchers have invested a great effort in developing druggable PROTACs; however, the problems associated with PROTACs, including poor solubility, metabolic stability, cell permeability, and pharmacokinetic profile, restrict their clinical utility. Thus, there is a pressing need to expand the size of the armory of PROTACs which will escalate the chances of pinpointing new PROTACs with optimum pharmacokinetic and pharmacodynamics properties. N- heterocycle is a class of organic frameworks that have been widely explored to construct new and novel PROTACs. This review provides an overview of recent efforts of medicinal chemists to develop N-heterocycle-based PROTACs as effective cancer therapeutics. Specifically, the recent endeavors centred on the discovery of PROTACs have been delved into various classes based on the E3 ligase they target (MDM2, IAP, CRBN, and other E3 ligases). Mechanistic insights revealed during the biological assessment of recently furnished Nheterocyclic- based PROTACs constructed via the utilization of ligands for various E3 ligases have been discussed.
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Affiliation(s)
- Suddhasatwa Banerjee
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, 110031, Taiwan
| | - Sachin Sharma
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, 110031, Taiwan
| | - Amandeep Thakur
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, 110031, Taiwan
| | - Ritika Sachdeva
- College of Medicine, Taipei Medical University, Taipei, 110031, Taiwan
| | - Ram Sharma
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, 110031, Taiwan
| | - Kunal Nepali
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, 110031, Taiwan
- Ph.D. Program in Drug Discovery and Development Industry, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Jing Ping Liou
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, 110031, Taiwan
- Ph.D. Program in Drug Discovery and Development Industry, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
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25
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Okunlola FO, Olotu FA, Soliman MES. Unveiling the mechanistic roles of chlorine substituted phthalazinone-based compounds containing chlorophenyl moiety towards the differential inhibition of poly (ADP-ribose) polymerase-1 in the treatment of lung cancer. J Biomol Struct Dyn 2022; 40:10878-10886. [PMID: 34463214 DOI: 10.1080/07391102.2021.1951354] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
PARP-1 has become an attractive target in cancer treatment owing to its significant role in breast and ovarian cancers. The design of highly selective and effective poly (ADP ribose) polymerase-1 inhibitors has significant therapeutic advantages and has remained the core of several PARP-1-based drug discovery research. The pharmacophoric relevance of a chlorine substituent in a recent study led to the design of compounds 11c (meta-chlorophenyl) and 11d (para-chlorophenyl). In this study, we resolved the mechanistic effects of the changes in chlorine positional orientation, which underlie the inhibitory potencies and selectivity exhibited disparately by 11c and 11d. Compared to 11d, among other multiple higher-affinity complementary interactions with key site residues, the meta-Cl positioning in 11c facilitated its optimal motion and orientation towards conserved residues Arg878 and Asp766 with consistent pi-cation and pi-anion interactions, respectively, thereby favoring the stability of the ligand towards PARP-1. These could account for the higher inhibitory potency exhibited by 11c relative to 11d against PARP-1. The thermodynamics calculation revealed that 11c had a relatively higher total binding energy (ΔGbind) than 11d. We also observed that 11d displayed high deviations, compared to 11c, indicative of its unstable binding orientation. Furthermore, we reported in this study that the high involvement of electrostatic and van der Waal effects potentiated the binding affinity and strength of 11c (ΔEvdW = -50.58 and ΔEele = -27.20) relative to 11d (ΔEvdW = -49.46 and ΔEele = -19.96) at PARP-1 binding pocket. We believe the findings in this current study would provide valuable insights into the design of selective PARP-1 inhibitors containing chlorine substituent for cancer treatment, including lung cancer.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Felix O Okunlola
- Molecular Bio-computation and Drug Design Laboratory, School of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Fisayo A Olotu
- Molecular Bio-computation and Drug Design Laboratory, School of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Mahmoud E S Soliman
- Molecular Bio-computation and Drug Design Laboratory, School of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
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26
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Dai Y, Lin J, Ren J, Zhu B, Wu C, Yu L. NAD + metabolism in peripheral neuropathic pain. Neurochem Int 2022; 161:105435. [PMID: 36273706 DOI: 10.1016/j.neuint.2022.105435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 10/04/2022] [Accepted: 10/16/2022] [Indexed: 11/07/2022]
Abstract
Nicotinamide adenine dinucleotide (NAD+) is an omnipresent metabolite that participates in redox reactions. Multiple NAD+-consuming enzymes are implicated in numerous biological processes, including transcription, signaling, and cell survival. Multiple pieces of evidence have demonstrated that NAD+-consuming enzymes, including poly(ADP-ribose) polymerases (PARPs), sirtuins (SIRTs), and sterile alpha and TIR motif-containing 1 (SARM1), play major roles in peripheral neuropathic pain of various etiologies. These NAD+ consumers primarily participate in peripheral neuropathic pain via mechanisms such as mitochondrial dysfunction, oxidative stress, and inflammation. Furthermore, NAD+ synthase and nicotinamide phosphoribosyltransferase (NAMPT) have recently been found to contribute to the regulation of pain. Here, we review the evidence indicating the involvement of NAD+ metabolism in the pathological mechanisms of peripheral neuropathic pain. Advanced understanding of the molecular and cellular mechanisms associated with NAD+ in peripheral neuropathic pain will facilitate the development of novel treatment options for diverse types of peripheral neuropathic pain.
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Affiliation(s)
- Yi Dai
- Department of Anesthesiology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, 310009, PR China
| | - Jiaqi Lin
- Department of Anesthesiology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, 310009, PR China
| | - Jinxuan Ren
- Department of Anesthesiology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, 310009, PR China
| | - Bin Zhu
- Department of Anesthesiology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, 310009, PR China
| | - Chengwei Wu
- Department of Anesthesiology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, 310009, PR China
| | - Lina Yu
- Department of Anesthesiology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, 310009, PR China.
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27
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Efficacy of Clinically Used PARP Inhibitors in a Murine Model of Acute Lung Injury. Cells 2022; 11:cells11233789. [PMID: 36497049 PMCID: PMC9738530 DOI: 10.3390/cells11233789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/15/2022] [Accepted: 11/23/2022] [Indexed: 11/29/2022] Open
Abstract
Poly(ADP-ribose) polymerase 1 (PARP1), as a potential target for the experimental therapy of acute lung injury (ALI), was identified over 20 years ago. However, clinical translation of this concept was not possible due to the lack of clinically useful PARP inhibitors. With the clinical introduction of several novel, ultrapotent PARP inhibitors, the concept of PARP inhibitor repurposing has re-emerged. Here, we evaluated the effect of 5 clinical-stage PARP inhibitors in oxidatively stressed cultured human epithelial cells and monocytes in vitro and demonstrated that all inhibitors (1-30 µM) provide a comparable degree of cytoprotection. Subsequent in vivo studies using a murine model of ALI compared the efficacy of olaparib and rucaparib. Both inhibitors (1-10 mg/kg) provided beneficial effects against lung extravasation and pro-inflammatory mediator production-both in pre- and post-treatment paradigms. The underlying mechanisms include protection against cell dysfunction/necrosis, inhibition of NF-kB and caspase 3 activation, suppression of the NLRP3 inflammasome, and the modulation of pro-inflammatory mediators. Importantly, the efficacy of PARP inhibitors was demonstrated without any potentiation of DNA damage, at least as assessed by the TUNEL method. These results support the concept that clinically approved PARP inhibitors may be repurposable for the experimental therapy of ALI.
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28
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Shi D, Pang Q, Qin Q, Yao X, Yao X, Yu Y. Discovery of novel anti-tumor compounds targeting PARP-1 with induction of autophagy through in silico and in vitro screening. Front Pharmacol 2022; 13:1026306. [PMID: 36353483 PMCID: PMC9638114 DOI: 10.3389/fphar.2022.1026306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 10/13/2022] [Indexed: 11/16/2022] Open
Abstract
Poly (ADP-ribose) polymerase 1 (PARP-1) is a critical enzyme involved in DNA damage repair and recombination, and shows great potential for drug development in the treatment of cancers with defective DNA repair. The anti-tumor activities of PARP-1 inhibitors are regulated by both inhibition activities and allosteric mechanisms of PARP-1, and may also be involved in an autophagy-mediated process. Screening PARP-1 inhibitors with potential allosteric mechanisms and induced autophagy process could achieve elevated potency toward cancer cell killing. In this study, we tried to discover novel anti-tumor compounds targeting PARP-1 by computer simulations and in vitro screening. In order to filter PARP-1 inhibitors that could affect the folding state of the helix domain (HD) on PARP-1, the free energy contribution of key residues on HD were systematically analyzed using the ligand-binding crystal structures and integrated into in silico screening workflow for the selection of 20 pick-up compounds. Four compounds (Chemdiv codes: 8012-0567, 8018-6529, 8018-7168, 8018-7603) were proved with above 40% inhibitory ratio targeting PARP-1 under 20 μM, and further performed binding mode prediction and dynamic effect evaluation by molecular dynamics simulation. Further in vitro assays showed that compounds 8018-6529 and 8018-7168 could inhibit the growth of the human colorectal cancer cell (HCT-116) with IC50 values of 4.30 and 9.29 μM and were accompanied with an induced autophagy process. Taken together, we discover two novel anti-tumor compounds that target PARP-1 with an induced autophagy process and provide potential hit compounds for the anti-cancer drug development.
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Affiliation(s)
- Danfeng Shi
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Ministry of Education (MOE) of China, Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou, China
- *Correspondence: Yang Yu, ; Danfeng Shi,
| | - Qianqian Pang
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Ministry of Education (MOE) of China, Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou, China
| | - Qianyu Qin
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Ministry of Education (MOE) of China, Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou, China
| | - Xinsheng Yao
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Ministry of Education (MOE) of China, Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou, China
| | - Xiaojun Yao
- State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Taipa, Macau, China
| | - Yang Yu
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Ministry of Education (MOE) of China, Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou, China
- *Correspondence: Yang Yu, ; Danfeng Shi,
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29
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Hönig SMN, Lemmen C, Rarey M. Small molecule superposition: A comprehensive overview on pose scoring of the latest methods. WIRES COMPUTATIONAL MOLECULAR SCIENCE 2022. [DOI: 10.1002/wcms.1640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Sophia M. N. Hönig
- ZBH ‐ Center for Bioinformatics Universität Hamburg Hamburg Germany
- BioSolveIT Sankt Augustin Germany
| | | | - Matthias Rarey
- ZBH ‐ Center for Bioinformatics Universität Hamburg Hamburg Germany
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30
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Neferine inhibits the growth of human osteosarcoma cells through activating P38/JNK and suppressing Wnt/β-catenin signaling pathway. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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31
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Al-Sanea MM, Chilingaryan G, Abelyan N, Mamikonyan M, Gasparyan H, Hovhannisyan S, Hamdi A, Ali AR, Selim S, Mohamed AAB. Combination of ligand and structure based virtual screening approaches for the discovery of potential PARP1 inhibitors. PLoS One 2022; 17:e0272065. [PMID: 36094927 PMCID: PMC9467328 DOI: 10.1371/journal.pone.0272065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 07/12/2022] [Indexed: 11/18/2022] Open
Abstract
Poly (ADP-ribose) polymerase 1 (PARP1) has high therapeutic value as biomolecular target for research and development of small molecules with antineoplastic activity, since it is upregulated in many cancers, especially in ovarian and BRCA 1/2 mutated breast cancers. Decades of investigation of PARP inhibitors (PARPi) have led to the approval of several drug compounds, however clinical application of PARPi in cancer therapy is limited due to a number of factors, including low selectivity, weak affinity and undesired side effects. Thus, identification of novel drug-like chemical compounds with alternatives to the known PARPi chemical scaffolds, binding modes and interaction patterns with amino acid residues in the active site is of high therapeutic importance. In this study we applied a combination of ligand- and structure-based virtual screening approaches with the goal of identification of novel potential PARPi.
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Affiliation(s)
- Mohammad M. Al-Sanea
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka, Saudi Arabia
| | - Garri Chilingaryan
- Institute for Molecular Medicine, Huntington Beach, California, United States of America
- Institute of Molecular Biology of NAS RA, Yerevan, Armenia
- Institute of Biomedicine and Pharmacy, Russian-Armenian University, Yerevan, Armenia
- * E-mail:
| | - Narek Abelyan
- Institute of Biomedicine and Pharmacy, Russian-Armenian University, Yerevan, Armenia
| | - Michael Mamikonyan
- Institute of Biomedicine and Pharmacy, Russian-Armenian University, Yerevan, Armenia
| | - Hayk Gasparyan
- Department of Mathematics and Mechanics, Yerevan State University, Yerevan, Armenia
| | - Sargis Hovhannisyan
- Department of Mathematics and Mechanics, Yerevan State University, Yerevan, Armenia
| | - Abdelrahman Hamdi
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Ahmed R. Ali
- Department of Medicinal Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Samy Selim
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, Saudi Arabia
| | - Ahmed A. B. Mohamed
- Department of Medicinal Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
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32
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PARP inhibitors in small cell lung cancer: The underlying mechanisms and clinical implications. Biomed Pharmacother 2022; 153:113458. [DOI: 10.1016/j.biopha.2022.113458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 07/21/2022] [Accepted: 07/21/2022] [Indexed: 11/18/2022] Open
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33
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Fu Y, Li Z, Xiao S, Zhao C, Zhou K, Cao S. Ameliorative effects of chickpea flavonoids on redox imbalance and mitochondrial complex I dysfunction in type 2 diabetic rats. Food Funct 2022; 13:8967-8976. [PMID: 35938733 DOI: 10.1039/d2fo00753c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Chickpeas are an important source of flavonoids in the human diet, and researchers have demonstrated that flavonoids have antidiabetic compositions in chickpeas. Because the NAD+/NADH redox balance is heavily perturbed in diabetes and complex I is the only site for NADH oxidation and NAD+ regeneration, in the present study, mitochondrial complex I was used as a target for anti-diabetes. The objective of this study was to investigate the effects of a crude chickpea flavonoid extract (CCFE) on NAD+/NADH redox imbalance and mitochondrial complex I dysfunction in the pancreas as well as oxidative stress in type 2 diabetes mellitus (T2DM) rats. Our results demonstrated that the degree of NAD+/NADH redox imbalance in the pancreas of T2DM rats was alleviated by CCFE, which is likely attributed to the inhibition of the polyol pathway and the decrease in poly ADP ribose polymerase (PARP) and sirtuin 3 (Sirt3) activities. Moreover, mitochondrial complex I dysfunction in the pancreas of T2DM rats was ameliorated by CCFE through the suppression of the activity of complex I. Furthermore, CCFE treatment could attenuate oxidative stress in T2DM rats, which was proven by the reduction in hydrogen peroxide (H2O2) and malondialdehyde (MDA) as well as the upregulation of glutathione peroxidase (GSH-Px) and superoxide dismutase (SOD) in serum. CCFE treatment significantly improved dyslipidemia in T2DM rats.
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Affiliation(s)
- Yinghua Fu
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi, Xinjiang 830046, China.
| | - Zhenglei Li
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi, Xinjiang 830046, China.
| | - Shiqi Xiao
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi, Xinjiang 830046, China.
| | - Caiyun Zhao
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi, Xinjiang 830046, China.
| | - Keqiang Zhou
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi, Xinjiang 830046, China.
| | - Shenyi Cao
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi, Xinjiang 830046, China.
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34
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Ruigrok EAM, Verkaik NS, de Blois E, de Ridder C, Stuurman D, Roobol SJ, Van Gent DC, de Jong M, Van Weerden WM, Nonnekens J. Preclinical Assessment of the Combination of PSMA-Targeting Radionuclide Therapy with PARP Inhibitors for Prostate Cancer Treatment. Int J Mol Sci 2022; 23:ijms23148037. [PMID: 35887398 PMCID: PMC9316488 DOI: 10.3390/ijms23148037] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 07/12/2022] [Accepted: 07/18/2022] [Indexed: 01/22/2023] Open
Abstract
Prostate specific membrane antigen targeted radionuclide therapy (PSMA-TRT) is a promising novel treatment for prostate cancer (PCa) patients. However, PSMA-TRT cannot be used for curative intent yet, thus additional research on how to improve the therapeutic efficacy is warranted. A potential way of achieving this, is combining TRT with poly ADP-ribosylation inhibitors (PARPi), which has shown promising results for TRT of neuroendocrine tumor cells. Currently, several clinical trials have been initiated for this combination for PCa, however so far, no evidence of synergism is available for PCa. Therefore, we evaluated the combination of PSMA-TRT with three classes of PARPi in preclinical PCa models. In vitro viability and survival assays were performed using PSMA-expressing PCa cell lines PC3-PIP and LNCaP to assess the effect of increasing concentrations of PARPi veliparib, olaparib or talazoparib in combination with PSMA-TRT compared to single PARPi treatment. Next, DNA damage analyses were performed by quantifying the number of DNA breaks by immunofluorescent stainings. Lastly, the potential of the combination treatments was studied in vivo in mice bearing PC3-PIP xenografts. Our results show that combining PSMA-TRT with PARPi did not synergistically affect the in vitro clonogenic survival or cell viability. DNA-damage analysis revealed only a significant increase in DNA breaks when combining PSMA-TRT with veliparib and not in the other combination treatments. Moreover, PSMA-TRT with PARPi treatment did not improve tumor control compared to PSMA-TRT monotherapy. Overall, the data presented do not support the assumption that combining PSMA-TRT with PARPi leads to a synergistic antitumor effect in PCa. These results underline that extensive preclinical research using various PCa models is imperative to validate the applicability of the combination strategy for PCa, as it is for other cancer types.
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Affiliation(s)
- Eline A. M. Ruigrok
- Department of Radiology and Nuclear Medicine, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3000 CA Rotterdam, The Netherlands; (E.A.M.R.); (E.d.B.); (C.d.R.); (D.S.); (S.J.R.); (M.d.J.)
- Department of Experimental Urology, Erasmus University Medical Center, 3000 CA Rotterdam, The Netherlands;
| | - Nicole S. Verkaik
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3000 CA Rotterdam, The Netherlands; (N.S.V.); (D.C.V.G.)
| | - Erik de Blois
- Department of Radiology and Nuclear Medicine, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3000 CA Rotterdam, The Netherlands; (E.A.M.R.); (E.d.B.); (C.d.R.); (D.S.); (S.J.R.); (M.d.J.)
| | - Corrina de Ridder
- Department of Radiology and Nuclear Medicine, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3000 CA Rotterdam, The Netherlands; (E.A.M.R.); (E.d.B.); (C.d.R.); (D.S.); (S.J.R.); (M.d.J.)
- Department of Experimental Urology, Erasmus University Medical Center, 3000 CA Rotterdam, The Netherlands;
| | - Debra Stuurman
- Department of Radiology and Nuclear Medicine, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3000 CA Rotterdam, The Netherlands; (E.A.M.R.); (E.d.B.); (C.d.R.); (D.S.); (S.J.R.); (M.d.J.)
- Department of Experimental Urology, Erasmus University Medical Center, 3000 CA Rotterdam, The Netherlands;
| | - Stefan J. Roobol
- Department of Radiology and Nuclear Medicine, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3000 CA Rotterdam, The Netherlands; (E.A.M.R.); (E.d.B.); (C.d.R.); (D.S.); (S.J.R.); (M.d.J.)
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3000 CA Rotterdam, The Netherlands; (N.S.V.); (D.C.V.G.)
| | - Dik C. Van Gent
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3000 CA Rotterdam, The Netherlands; (N.S.V.); (D.C.V.G.)
| | - Marion de Jong
- Department of Radiology and Nuclear Medicine, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3000 CA Rotterdam, The Netherlands; (E.A.M.R.); (E.d.B.); (C.d.R.); (D.S.); (S.J.R.); (M.d.J.)
| | - Wytske M. Van Weerden
- Department of Experimental Urology, Erasmus University Medical Center, 3000 CA Rotterdam, The Netherlands;
| | - Julie Nonnekens
- Department of Radiology and Nuclear Medicine, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3000 CA Rotterdam, The Netherlands; (E.A.M.R.); (E.d.B.); (C.d.R.); (D.S.); (S.J.R.); (M.d.J.)
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3000 CA Rotterdam, The Netherlands; (N.S.V.); (D.C.V.G.)
- Correspondence:
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Molecular Mechanisms of Parthanatos and Its Role in Diverse Diseases. Int J Mol Sci 2022; 23:ijms23137292. [PMID: 35806303 PMCID: PMC9266317 DOI: 10.3390/ijms23137292] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 06/24/2022] [Accepted: 06/27/2022] [Indexed: 12/12/2022] Open
Abstract
Differential evolution of apoptosis, programmed necrosis, and autophagy, parthanatos is a form of cell death mediated by poly(ADP-ribose) polymerase 1 (PARP1), which is caused by DNA damage. PARP1 hyper-activation stimulates apoptosis-inducing factor (AIF) nucleus translocation, and accelerates nicotinamide adenine dinucleotide (NAD+) and adenosine triphosphate (ATP) depletion, leading to DNA fragmentation. The mechanisms of parthanatos mainly include DNA damage, PARP1 hyper-activation, PAR accumulation, NAD+ and ATP depletion, and AIF nucleus translocation. Now, it is reported that parthanatos widely exists in different diseases (tumors, retinal diseases, neurological diseases, diabetes, renal diseases, cardiovascular diseases, ischemia-reperfusion injury...). Excessive or defective parthanatos contributes to pathological cell damage; therefore, parthanatos is critical in the therapy and prevention of many diseases. In this work, the hallmarks and molecular mechanisms of parthanatos and its related disorders are summarized. The questions raised by the recent findings are also presented. Further understanding of parthanatos will provide a new treatment option for associated conditions.
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Quantitative Determination of 5-Aminoisoquinoline, a PARP-1 Inhibitor by UPLC-MS/MS: In Silico ADME Profile and In Vitro Metabolic Stability Study. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12125998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
5-Aminoisoquinoline (5-AIQ) is a water-soluble, potent and selective Poly (ADP-ribose) polymerase 1 (PARP-1) inhibitor, widely used as a biochemical and pharmacological tool to study the inhibitory effect of PARPs enzyme. In this study, a simple, selective and reliable ultra-performance liquid chromatography-tandem mass spectrometry assay has been developed for the quantitative analysis of 5-AIQ in plasma using pantoprazole as an internal standard (IS). Both 5-AIQ and IS were separated on an Acquity CSH18 (2.1 × 100 mm; 1.7 µm) column after chromatographic elution of mobile phase comprising of 10 mM ammonium acetate and acetonitrile (35:65; v/v) at a flow rate of 0.3 mL/min. Electrospray ionization in positive mode was used for sample ionization and precursor to product ion transitions of 145.0 > 91.0; 145.0 > 117.4 for 5-AIQ and 384.0 > 138.1 for IS were used for detection and quantification in multiple reaction monitoring mode. The assay was linear in the concentration range of 1.0 to 666 ng/mL with correlation coefficient of ≥0.995. The precision and bias were within the acceptable limits of ≤12.68% and −8.6 to 5.9%, respectively, with mean recovery of 79.1% from plasma and negligible matrix effects (92.4%). In silico ADME prediction, 5-AIQ showed to be very soluble in water and high gastrointestinal absorption along with blood–brain barrier (BBB) permeability. The validated assay was successfully applied in a metabolic stability study, and 5-AIQ was moderately metabolized by human liver microsomes with an in vitro half-life of 14.5 min and intrinsic clearance of 47.6 µL/min/mg. The validated method can be utilized for future pharmacokinetic and bio-distribution studies.
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Pérez-Peiró M, Duran X, Yélamos J, Barreiro E. Attenuation of Muscle Damage, Structural Abnormalities, and Physical Activity in Respiratory and Limb Muscles following Treatment with Rucaparib in Lung Cancer Cachexia Mice. Cancers (Basel) 2022; 14:cancers14122894. [PMID: 35740560 PMCID: PMC9221243 DOI: 10.3390/cancers14122894] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 06/01/2022] [Accepted: 06/07/2022] [Indexed: 02/04/2023] Open
Abstract
Simple Summary Muscle wasting and cachexia are common in patients with cancer. Several mechanisms underlie muscle physiological and structural alterations in cancer-induced cachexia. Poly (ADPribose) polymerases (PARPs) are involved in muscle metabolism and in cancer. Selective inhibitors of PARP activity improve muscle function and structure. This study sought to investigate whether rucaparib (PARP inhibitor) may attenuate muscle damage in a mouse model of lung-cancer-induced cachexia. Rucaparib was administered to cancer-cachectic mice. Physiological and biological parameters were determined in the respiratory and limb muscles of the animals. In cancer cachexia mice compared to non-cachexia controls, body weight and body weight gain, muscle weight, limb strength, physical activity, and muscle fiber size significantly declined, while levels of PARP activity, plasma troponin I, muscle damage, and proteolytic and autophagy markers increased. Treatment with rucaparib elicited a significant improvement in body weight gain, tumor size and weight, physical activity, muscle damage, troponin I, and proteolytic and autophagy levels. Abstract Overactivation of poly (ADPribose) polymerases (PARPs) is involved in cancer-induced cachexia. We hypothesized that the PARP inhibitor rucaparib may improve muscle mass and reduce damage in cancer cachexia mice. In mouse diaphragm and gastrocnemius (LP07 lung adenocarcinoma) treated with PARP inhibitor (rucaparib,150 mg/kg body weight/24 h for 20 days) and in non-tumor control animals, body, muscle, and tumor weights; tumor area; limb muscle strength; physical activity; muscle structural abnormalities, damage, and phenotype; PARP activity; and proteolytic and autophagy markers were quantified. In cancer cachexia mice compared to non-cachexia controls, body weight and body weight gain, muscle weight, limb strength, physical activity, and muscle fiber size significantly declined, while levels of PARP activity, plasma troponin I, muscle damage, and proteolytic and autophagy markers increased. Treatment with the PARP inhibitor rucaparib elicited a significant improvement in body weight gain, tumor size and weight, physical activity, muscle damage, troponin I, and proteolytic and autophagy levels. PARP pharmacological inhibition did not exert any significant improvements in muscle weight, fiber size, or limb muscle strength. Treatment with rucaparib, however, improved muscle damage and structural abnormalities and physical activity in cancer cachexia mice. These findings suggest that rucaparib exerts its beneficial effects on cancer cachexia performance through the restoration of muscle structure.
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Affiliation(s)
- Maria Pérez-Peiró
- Muscle Wasting and Cachexia in Chronic Respiratory Diseases and Lung Cancer Research Group, Pulmonology Department, Department of Medicine and Life Sciences (MELIS), Hospital del Mar, Medical Research Institute (IMIM), Parc de Salut Mar, Universitat Pompeu Fabra (UPF), Barcelona Biomedical Research Park (PRBB), 08003 Barcelona, Spain;
- Centro de Investigación en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III (ISCIII), 08003 Barcelona, Spain
| | - Xavier Duran
- Scientific, Statistics and Technical Department, Hospital del Mar, Medical Research Institute (IMIM), Parc de Salut Mar, 08003 Barcelona, Spain;
| | - José Yélamos
- Cancer Research Program, Hospital del Mar, Medical Research Institute (IMIM), 08003 Barcelona, Spain;
| | - Esther Barreiro
- Muscle Wasting and Cachexia in Chronic Respiratory Diseases and Lung Cancer Research Group, Pulmonology Department, Department of Medicine and Life Sciences (MELIS), Hospital del Mar, Medical Research Institute (IMIM), Parc de Salut Mar, Universitat Pompeu Fabra (UPF), Barcelona Biomedical Research Park (PRBB), 08003 Barcelona, Spain;
- Centro de Investigación en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III (ISCIII), 08003 Barcelona, Spain
- Correspondence: ; Tel.: +34-93-316-0385; Fax: +34-93-316-0410
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Mohamed HK, Mobasher MA, Ebiya RA, Hassen MT, Hagag HM, El-Sayed R, Abdel-Ghany S, Said MM, Awad NS. Anti-Inflammatory, Anti-Apoptotic, and Antioxidant Roles of Honey, Royal Jelly, and Propolis in Suppressing Nephrotoxicity Induced by Doxorubicin in Male Albino Rats. Antioxidants (Basel) 2022; 11:antiox11051029. [PMID: 35624893 PMCID: PMC9137495 DOI: 10.3390/antiox11051029] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 05/17/2022] [Accepted: 05/19/2022] [Indexed: 12/22/2022] Open
Abstract
Nephrotoxicity is one of the limiting factors for using doxorubicin (DOX). Honey, propolis, and royal jelly were evaluated for their ability to protect against nephrotoxicity caused by DOX. Forty-two adult albino rats were divided into control groups. The DOX group was injected i.p. with a weekly dose of 3 mg/kg of DOX for six weeks. The DOX plus honey treated group was injected with DOX and on the next day, received 500 mg/kg/day of honey orally for 21 days. The DOX plus royal jelly treated group was injected with DOX and on the following day, received 100 mg/kg/day of royal jelly orally for 21 days. The DOX plus propolis treated group received DOX and on the following day, was treated orally with 50 mg/kg/day of propolis for 21 days. The DOX plus combined treatment group received DOX and on the following day, was treated with a mix of honey, royal jelly, and propolis orally for 21 days. Results confirmed that DOX raised creatinine, urea, MDA, and TNF-α while decreasing GPX and SOD. Damages and elevated caspase-3 expression were discovered during renal tissue's histopathological and immunohistochemical studies. Combined treatment with honey, royal jelly, and propolis improved biochemical, histological, and immunohistochemical studies in the renal tissue. qRT-PCR revealed increased expression of poly (ADP-Ribose) polymerase-1 (PARP-1) and a decline of Bcl-2 in the DOX group. However, combined treatment induced a significant decrease in the PARP-1 gene and increased Bcl-2 expression levels. In addition, the combined treatment led to significant improvement in the expression of both PARP-1 and Bcl-2 genes. In conclusion, the combined treatment effectively inhibited nephrotoxicity induced by DOX.
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Affiliation(s)
- Hanaa K. Mohamed
- Department of Zoology, Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo 11757, Egypt; (H.K.M.); (R.A.E.); (M.T.H.); (R.E.-S.)
| | - Maysa A. Mobasher
- Department of Pathology, Biochemistry Division, College of Medicine, Jouf University, Sakaka 41412, Saudi Arabia
- Correspondence:
| | - Rasha A. Ebiya
- Department of Zoology, Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo 11757, Egypt; (H.K.M.); (R.A.E.); (M.T.H.); (R.E.-S.)
| | - Marwa T. Hassen
- Department of Zoology, Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo 11757, Egypt; (H.K.M.); (R.A.E.); (M.T.H.); (R.E.-S.)
| | - Howaida M. Hagag
- Department of Pathology, Faculty of Medicine, Al-Azhar University, Nasr City, Cairo 11884, Egypt;
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University, Taif 21944, Saudi Arabia
| | - Radwa El-Sayed
- Department of Zoology, Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo 11757, Egypt; (H.K.M.); (R.A.E.); (M.T.H.); (R.E.-S.)
| | - Shaimaa Abdel-Ghany
- College of Biotechnology, Misr University for Science and Technology, Giza 12563, Egypt; (S.A.-G.); (M.M.S.); (N.S.A.)
| | - Manal M. Said
- College of Biotechnology, Misr University for Science and Technology, Giza 12563, Egypt; (S.A.-G.); (M.M.S.); (N.S.A.)
| | - Nabil S. Awad
- College of Biotechnology, Misr University for Science and Technology, Giza 12563, Egypt; (S.A.-G.); (M.M.S.); (N.S.A.)
- Department of Genetics, Faculty of Agriculture and Natural Resources, Aswan University, Aswan 81528, Egypt
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Poly (ADP-ribose) polymerase: An Overview of Mechanistic Approaches and Therapeutic Opportunities in the Management of Stroke. Neurochem Res 2022; 47:1830-1852. [PMID: 35437712 DOI: 10.1007/s11064-022-03595-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 03/30/2022] [Accepted: 03/31/2022] [Indexed: 10/18/2022]
Abstract
Stroke is one of the leading causes of morbidity and mortality accompanied by blood supply loss to a particular brain area. Several mechanistic approaches such as inhibition of poly (ADP-ribose) polymerase, therapies against tissue thrombosis, and neutrophils lead to stroke's therapeutic intervention. Evidence obtained with the poly (ADP-ribose) polymerase (PARP) inhibition and animals having a deficiency of PARP enzymes; represented the role of PARP in cerebral stroke, ischemia/reperfusion, and neurotrauma. PARP is a nuclear enzyme superfamily with various isoforms, each with different structural domains and functions, and out of all, PARP-1 is the best-characterized member. It has been shown to perform multiple physiological as well as pathological processes, including its role in inflammation, oxidative stress, apoptosis, and mitochondrial dysfunction. The enzyme interacts with NF-κB, p53, and other transcriptional factors to regulate survival and cell death and modulates multiple downstream signaling pathways. Clinical trials have also been conducted using PARP inhibitors for numerous disorders and have shown positive results. However, additional information is yet to be established for the therapeutic intervention of PARP inhibitors in stroke. These agents' utilization appears to be challenging due to their unknown potential long-term side effects. PARP activity increased during ischemia, but its inhibition provided significant neuroprotection. Despite the increased interest in PARP as a pharmacological modulator for novel therapeutic therapies, the current review focused on stroke and poly ADP-ribosylation.
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Hua Y, Dai X, Xu Y, Xing G, Liu H, Lu T, Chen Y, Zhang Y. Drug repositioning: Progress and challenges in drug discovery for various diseases. Eur J Med Chem 2022; 234:114239. [PMID: 35290843 PMCID: PMC8883737 DOI: 10.1016/j.ejmech.2022.114239] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 02/20/2022] [Accepted: 02/24/2022] [Indexed: 12/17/2022]
Abstract
Compared with traditional de novo drug discovery, drug repurposing has become an attractive drug discovery strategy due to its low-cost and high efficiency. Through a comprehensive analysis of the candidates that have been identified with drug repositioning potentials, it is found that although some drugs do not show obvious advantages in the original indications, they may exert more obvious effects in other diseases. In addition, some drugs have a synergistic effect to exert better clinical efficacy if used in combination. Particularly, it has been confirmed that drug repositioning has benefits and values on the current public health emergency such as the COVID-19 pandemic, which proved the great potential of drug repositioning. In this review, we systematically reviewed a series of representative drugs that have been repositioned for different diseases and illustrated successful cases in each disease. Especially, the mechanism of action for the representative drugs in new indications were explicitly explored for each disease, we hope this review can provide important insights for follow-up research.
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Affiliation(s)
- Yi Hua
- Laboratory of Molecular Design and Drug Discovery, School of Science, China Pharmaceutical University, 639 Longmian Avenue, Nanjing, 211198, China
| | - Xiaowen Dai
- Laboratory of Molecular Design and Drug Discovery, School of Science, China Pharmaceutical University, 639 Longmian Avenue, Nanjing, 211198, China
| | - Yuan Xu
- Laboratory of Molecular Design and Drug Discovery, School of Science, China Pharmaceutical University, 639 Longmian Avenue, Nanjing, 211198, China
| | - Guomeng Xing
- Laboratory of Molecular Design and Drug Discovery, School of Science, China Pharmaceutical University, 639 Longmian Avenue, Nanjing, 211198, China
| | - Haichun Liu
- Laboratory of Molecular Design and Drug Discovery, School of Science, China Pharmaceutical University, 639 Longmian Avenue, Nanjing, 211198, China
| | - Tao Lu
- Laboratory of Molecular Design and Drug Discovery, School of Science, China Pharmaceutical University, 639 Longmian Avenue, Nanjing, 211198, China; State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China
| | - Yadong Chen
- Laboratory of Molecular Design and Drug Discovery, School of Science, China Pharmaceutical University, 639 Longmian Avenue, Nanjing, 211198, China.
| | - Yanmin Zhang
- Laboratory of Molecular Design and Drug Discovery, School of Science, China Pharmaceutical University, 639 Longmian Avenue, Nanjing, 211198, China.
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Wang F, Zhao M, Chang B, Zhou Y, Wu X, Ma M, Liu S, Cao Y, Zheng M, Dang Y, Xu J, Chen L, Liu T, Tang F, Ren Y, Xu Z, Mao Z, Huang K, Luo M, Li J, Liu H, Ge B. Cytoplasmic PARP1 links the genome instability to the inhibition of antiviral immunity through PARylating cGAS. Mol Cell 2022; 82:2032-2049.e7. [PMID: 35460603 DOI: 10.1016/j.molcel.2022.03.034] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 12/10/2021] [Accepted: 03/25/2022] [Indexed: 12/22/2022]
Abstract
Virus infection modulates both host immunity and host genomic stability. Poly(ADP-ribose) polymerase 1 (PARP1) is a key nuclear sensor of DNA damage, which maintains genomic integrity, and the successful application of PARP1 inhibitors for clinical anti-cancer therapy has lasted for decades. However, precisely how PARP1 gains access to cytoplasm and regulates antiviral immunity remains unknown. Here, we report that DNA virus induces a reactive nitrogen species (RNS)-dependent DNA damage and activates DNA-dependent protein kinase (DNA-PK). Activated DNA-PK phosphorylates PARP1 on Thr594, thus facilitating the cytoplasmic translocation of PARP1 to inhibit the antiviral immunity both in vitro and in vivo. Mechanistically, cytoplasmic PARP1 interacts with and directly PARylates cyclic GMP-AMP synthase (cGAS) on Asp191 to inhibit its DNA-binding ability. Together, our findings uncover an essential role of PARP1 in linking virus-induced genome instability with inhibition of host immunity, which is of relevance to cancer, autoinflammation, and other diseases.
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Affiliation(s)
- Fei Wang
- Shanghai Key Laboratory of Tuberculosis, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai 200433, China; Department of Microbiology and Immunology, Tongji University School of Medicine, Shanghai 200072, China; Clinical Translation Research Center, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai 200433, China
| | - Mengmeng Zhao
- Shanghai Key Laboratory of Tuberculosis, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai 200433, China; Department of Microbiology and Immunology, Tongji University School of Medicine, Shanghai 200072, China; Clinical Translation Research Center, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai 200433, China
| | - Boran Chang
- State Key Laboratory of Cell Biology, Shanghai Key Laboratory of Molecular Andrology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China
| | - Yilong Zhou
- Shanghai Key Laboratory of Tuberculosis, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai 200433, China; Department of Microbiology and Immunology, Tongji University School of Medicine, Shanghai 200072, China
| | - Xiangyang Wu
- Shanghai Key Laboratory of Tuberculosis, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai 200433, China; Clinical Translation Research Center, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai 200433, China
| | - Mingtong Ma
- Shanghai Key Laboratory of Tuberculosis, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai 200433, China; Department of Microbiology and Immunology, Tongji University School of Medicine, Shanghai 200072, China
| | - Siyu Liu
- Shanghai Key Laboratory of Tuberculosis, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai 200433, China; Department of Microbiology and Immunology, Tongji University School of Medicine, Shanghai 200072, China
| | - Yajuan Cao
- Shanghai Key Laboratory of Tuberculosis, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai 200433, China; Clinical Translation Research Center, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai 200433, China
| | - Mengge Zheng
- Shanghai Key Laboratory of Tuberculosis, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai 200433, China; Clinical Translation Research Center, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai 200433, China
| | - Yifang Dang
- Shanghai Key Laboratory of Tuberculosis, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai 200433, China; Clinical Translation Research Center, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai 200433, China
| | - Junfang Xu
- Clinical Translation Research Center, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai 200433, China
| | - Li Chen
- Clinical Translation Research Center, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai 200433, China; Central Laboratory, Shanghai Pulmonary Hospital, School of Medicine, Tongji University School of Medicine, Shanghai 200433, China
| | - Tianhao Liu
- Clinical Translation Research Center, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai 200433, China; Central Laboratory, Shanghai Pulmonary Hospital, School of Medicine, Tongji University School of Medicine, Shanghai 200433, China
| | - Fen Tang
- Shanghai Key Laboratory of Tuberculosis, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai 200433, China; Department of Microbiology and Immunology, Tongji University School of Medicine, Shanghai 200072, China
| | - Yefei Ren
- Department of Microbiology and Immunology, Tongji University School of Medicine, Shanghai 200072, China
| | - Zhu Xu
- Clinical and Translational Research Center of Shanghai First Maternity & Infant Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Zhiyong Mao
- Clinical and Translational Research Center of Shanghai First Maternity & Infant Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Kai Huang
- Department of Cardiovascular Diseases, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Clinical Center for Human Genomic Research, Union Hospital, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Minhua Luo
- State Key Laboratory of Virology, CAS Center for Excellence in Brain Science and Intelligence Technology, Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan 430071, China
| | - Jinsong Li
- State Key Laboratory of Cell Biology, Shanghai Key Laboratory of Molecular Andrology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China.
| | - Haipeng Liu
- Shanghai Key Laboratory of Tuberculosis, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai 200433, China; Department of Microbiology and Immunology, Tongji University School of Medicine, Shanghai 200072, China; Clinical Translation Research Center, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai 200433, China; Central Laboratory, Shanghai Pulmonary Hospital, School of Medicine, Tongji University School of Medicine, Shanghai 200433, China.
| | - Baoxue Ge
- Shanghai Key Laboratory of Tuberculosis, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai 200433, China; Department of Microbiology and Immunology, Tongji University School of Medicine, Shanghai 200072, China; Clinical Translation Research Center, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai 200433, China.
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Zhang N, Zhang Y, Miao W, Shi C, Chen Z, Wu B, Zou Y, Ma Q, You S, Lu S, Huang X, Liu J, Xu J, Cao L, Sun Y. An unexpected role for BAG3 in regulating PARP1 ubiquitination in oxidative stress-related endothelial damage. Redox Biol 2022; 50:102238. [PMID: 35066290 PMCID: PMC8783151 DOI: 10.1016/j.redox.2022.102238] [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: 12/06/2021] [Revised: 01/06/2022] [Accepted: 01/13/2022] [Indexed: 02/08/2023] Open
Abstract
Oxidative stress-associated endothelial damage is the initiation factor of cardiovascular disease, and protein posttranslational modifications play critical roles in this process. Bcl-2-associated athanogene 3 (BAG3) is a molecular chaperone regulator of the BAG family, which interacts with various proteins and influences cell survival by activating multiple pathways. BAG3 undergoes posttranslational modifications; however, research evaluating BAG3 acetylation and its regulatory mechanism is lacking. In addition, the interacting protein and regulatory mechanism of BAG3 in oxidative stress-associated endothelial damage remain unclear. Here, key molecular interactions and protein modifications of BAG3 were identified in oxidative stress-associated endothelial damage. Endothelial-specific BAG3 knockout in the mouse model starkly enhances oxidative stress-associated endothelial damage and vascular remodeling, while BAG3 overexpression in mice significantly relieves this process. Mechanistically, poly(ADP-ribose) polymerase 1 (PARP1), causing oxidative stress, was identified as a novel physiological substrate of BAG3. Indeed, BAG3 binds to PARP1's BRCT domain to promote its ubiquitination (K249 residue) by enhancing the E3 ubiquitin ligase WWP2, which leads to proteasome-induced PARP1 degradation. Furthermore, we surprisingly found that BAG3 represents a new substrate of the acetyltransferase CREB-binding protein (CBP) and the deacetylase Sirtuin 2 (SIRT2) under physiological conditions. CBP/SIRT2 interacted with BAG3 and acetylated/deacetylated BAG3's K431 residue. Finally, deacetylated BAG3 promoted the ubiquitination of PARP1. This work reveals a novel regulatory system, with deacetylation-dependent regulation of BAG3 promoting PARP1 ubiquitination and degradation via enhancing WWP2, which is one possible mechanism to decrease vulnerability of oxidative stress in endothelial cells. Endothelial-specific BAG3 knockout in mice aggravates oxidative stress endothelial injury. BAG3 transgenic mice relieves oxidative stress endothelial injury. BAG3 promotes ubiquitination at the K249 residue of PARP1 via mobilization of the E3 ubiquitin ligase WWP2. CBP/SIRT2 interacted with BAG3 and acetylated/deacetylated BAG3's K431 residue. Deacetylated BAG3 promoted the ubiquitination of PARP1.
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Uniform and disperse selenium nanoparticles stabilized by inulin fructans from Codonopsis pilosula and their anti-hepatoma activities. Int J Biol Macromol 2022; 203:105-115. [PMID: 35092739 DOI: 10.1016/j.ijbiomac.2022.01.140] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 01/14/2022] [Accepted: 01/21/2022] [Indexed: 12/20/2022]
Abstract
The present work reported the extraction, purification and characterization of an inulin fructan from Codonopsis pilosula (CPW1) and its application in stabilization of selenium nanoparticles (SeNPs). The morphology, stability, and stabilization mechanism of CPW1 stabilized SeNPs (CPW1-Se) were explored, and the results showed that the SeNPs were amorphous state, with size of 54-79 nm, and kept stable within 15 days due to the interaction between SeNPs and the hydroxyl groups on the surface of CPW1. Moreover, the effects on proliferation and apoptosis of CPW1-Se to both normal cells (293T) and liver cancer cells (Huh-7 and HepG2) were evaluated systematically by using the CCK8 assay, plate clone formation assay, flow cytometry and western blot. The results indicated that CPW1-Se possessed selective anti-hepatoma activities without side effects on normal cells, which exhibited strong potential application in liver cancer treatments.
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Yu J, Gou W, Shang H, Cui Y, Sun X, Luo L, Hou W, Sun T, Li Y. Design and synthesis of benzodiazepines as brain penetrating PARP-1 inhibitors. J Enzyme Inhib Med Chem 2022; 37:952-972. [PMID: 35317687 PMCID: PMC8942544 DOI: 10.1080/14756366.2022.2053524] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
The poly (ADP-ribose) polymerase (PARP) inhibitors play a crucial role in cancer therapy. However, most approved PARP inhibitors cannot cross the blood-brain barrier, thus limiting their application in the central nervous system. Here, 55 benzodiazepines were designed and synthesised to screen brain penetrating PARP-1 inhibitors. All target compounds were evaluated for their PARP-1 inhibition activity, and compounds with better activity were selected for further assays in vitro. Among them, compounds H34, H42, H48, and H52 displayed acceptable inhibition effects on breast cancer cells. Also, computational prediction together with the permeability assays in vitro and in vivo proved that the benzodiazepine PARP-1 inhibitors we synthesised were brain permeable. Compound H52 exhibited a B/P ratio of 40 times higher than that of Rucaparib and would be selected to develop its potential use in neurodegenerative diseases. Our study provided potential lead compounds and design strategies for the development of brain penetrating PARP-1 inhibitors.HIGHLIGHTS Structural fusion was used to screen brain penetrating PARP-1 inhibitors. 55 benzodiazepines were evaluated for their PARP-1 inhibition activity. Four compounds displayed acceptable inhibition effects on breast cancer cells. The benzodiazepine PARP-1 inhibitors were proved to be brain permeable.
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Affiliation(s)
- Jiang Yu
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Peking Union Medical College, Chinese Academy of Medical Sciences, Tianjin, China.,Key Laboratory of Structure-Based Drug Design and Discovery, Shenyang Pharmaceutical University, Ministry of Education, Shenyang, China
| | - Wenfeng Gou
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Peking Union Medical College, Chinese Academy of Medical Sciences, Tianjin, China
| | - Haihua Shang
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Peking Union Medical College, Chinese Academy of Medical Sciences, Tianjin, China
| | - Yating Cui
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Peking Union Medical College, Chinese Academy of Medical Sciences, Tianjin, China
| | - Xiao Sun
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Peking Union Medical College, Chinese Academy of Medical Sciences, Tianjin, China
| | - Lingling Luo
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Peking Union Medical College, Chinese Academy of Medical Sciences, Tianjin, China
| | - Wenbin Hou
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Peking Union Medical College, Chinese Academy of Medical Sciences, Tianjin, China
| | - Tiemin Sun
- Key Laboratory of Structure-Based Drug Design and Discovery, Shenyang Pharmaceutical University, Ministry of Education, Shenyang, China
| | - Yiliang Li
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Peking Union Medical College, Chinese Academy of Medical Sciences, Tianjin, China
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Bianco A, Tiribelli C, Bellarosa C. Translational Approach to the Protective Effect of Bilirubin in Diabetic Kidney Disease. Biomedicines 2022; 10:biomedicines10030696. [PMID: 35327498 PMCID: PMC8945513 DOI: 10.3390/biomedicines10030696] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 03/14/2022] [Accepted: 03/15/2022] [Indexed: 02/07/2023] Open
Abstract
Bilirubin has been regarded as a powerful endogenous antioxidant and anti-inflammatory molecule, able to act on cellular pathways as a hormone. Diabetic kidney disease (DKD) is a common chronic complication of diabetes, and it is the leading cause of end-stage renal disease. Here, we will review the clinical and molecular features of mild hyperbilirubinemia in DKD. The pathogenesis of DKD involves oxidative stress, inflammation, fibrosis, and apoptosis. Serum bilirubin levels are positively correlated with the levels of the antioxidative enzymes as superoxide dismutase, catalase, and glutathione peroxidase, while it is inversely correlated with C-reactive protein, TNF-α, interleukin (IL)-2, IL-6, and IL-10 release in diabetic kidney disease. Bilirubin downregulates NADPH oxidase, reduces the induction of pro-fibrotic factor HIF-1α expression, cleaved caspase-3, and cleaved PARP induction showing lower DNA fragmentation. Recent experimental and clinical studies have demonstrated its effects in the development and progression of renal diseases, pointing out that only very mild elevations of bilirubin concentrations result in real clinical benefits. Future controlled studies are needed to explore the precise role of bilirubin in the pathogenesis of DKD and to understand if the use of serum bilirubin levels as a marker of progression or therapeutic target in DKD is feasible and realistic.
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Affiliation(s)
- Annalisa Bianco
- Italian Liver Foundation (FIF), 34149 Trieste, Italy; (A.B.); (C.T.)
- National Research Council, Institute of Biomedical Technologies, Bari Unit, 70126 Bari, Italy
| | - Claudio Tiribelli
- Italian Liver Foundation (FIF), 34149 Trieste, Italy; (A.B.); (C.T.)
| | - Cristina Bellarosa
- Italian Liver Foundation (FIF), 34149 Trieste, Italy; (A.B.); (C.T.)
- Correspondence:
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Belkadi A, Kenouche S, Melkemi N, Daoud I, Djebaili R. Molecular docking/dynamic simulations, MEP, ADME-TOX-based analysis of xanthone derivatives as CHK1 inhibitors. Struct Chem 2022. [DOI: 10.1007/s11224-022-01898-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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47
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Tattersall A, Ryan N, Wiggans AJ, Rogozińska E, Morrison J. Poly(ADP-ribose) polymerase (PARP) inhibitors for the treatment of ovarian cancer. Cochrane Database Syst Rev 2022; 2:CD007929. [PMID: 35170751 PMCID: PMC8848772 DOI: 10.1002/14651858.cd007929.pub4] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
BACKGROUND Ovarian cancer is the sixth most common cancer in women world-wide. Epithelial ovarian cancer (EOC) is the most common; three-quarters of women present when disease has spread outside the pelvis (stage III or IV). Treatment consists of a combination of surgery and platinum-based chemotherapy. Although initial responses to chemotherapy are good, most women with advanced disease will relapse. PARP (poly (ADP-ribose) polymerase) inhibitors (PARPi), are a type of anticancer treatment that works by preventing cancer cells from repairing DNA damage, especially in those with breast cancer susceptibility gene (BRCA) variants. PARPi offer a different mechanism of anticancer treatment from conventional chemotherapy. OBJECTIVES To determine the benefits and risks of poly (ADP-ribose) polymerase) inhibitors (PARPi) for the treatment of epithelial ovarian cancer (EOC). SEARCH METHODS We identified randomised controlled trials (RCTs) by searching the Cochrane Central Register of Controlled Trials (Central 2020, Issue 10), Cochrane Gynaecological Cancer Group Trial Register, MEDLINE (1990 to October 2020), Embase (1990 to October 2020), ongoing trials on www.controlled-trials.com/rct, www.clinicaltrials.gov, www.cancer.gov/clinicaltrials, the National Research Register (NRR), FDA database and pharmaceutical industry biomedical literature. SELECTION CRITERIA We included trials that randomised women with EOC to PARPi with no treatment, or PARPi versus conventional chemotherapy, or PARPi together with conventional chemotherapy versus conventional chemotherapy alone. DATA COLLECTION AND ANALYSIS We used standard Cochrane methodology. Two review authors independently assessed whether studies met the inclusion criteria. We contacted investigators for additional data. Outcomes included overall survival (OS), objective response rate (ORR), quality of life (QoL) and rate of adverse events. MAIN RESULTS We included 15 studies (6109 participants); four (3070 participants) with newly-diagnosed, advanced EOC and 11 (3039 participants) with recurrent EOC. The studies varied in types of comparisons and evaluated PARPi. Eight studies were judged as at low risk of bias in most of the domains. Quality of life data were generally poorly reported. Below we present six key comparisons. The majority of participants had BRCA mutations, either in their tumour (sBRCAmut) and/or germline (gBRCAmut), or homologous recombination deficiencies (HRD) in their tumours. Newly diagnosed EOC Overall, four studies evaluated the effect of PARPi in newly-diagnosed, advanced EOC. Two compared PARPi with chemotherapy and chemotherapy alone. OS data were not reported. The combination of PARPi with chemotherapy may have little to no difference in progression-free survival (PFS) (two studies, 1564 participants; hazard ratio (HR) 0.82, 95% confidence interval (CI 0).49 to 1.38; very low-certainty evidence)(no evidence of disease progression at 12 months' 63% with PARPi versus 69% for placebo). PARPi with chemotherapy likely increases any severe adverse event (SevAE) (grade 3 or higher) slightly (45%) compared with chemotherapy alone (51%) (two studies, 1549 participants, risk ratio (RR) 1.13, 95% CI 1.07 to 1.20; high-certainty evidence). PARPi combined with chemotherapy compared with chemotherapy alone likely results in little to no difference in the QoL (one study; 744 participants, MD 1.56 95% CI -0.42 to 3.54; moderate-certainty evidence). Two studies compared PARPi monotherapy with placebo as maintenance after first-line chemotherapy in newly diagnosed EOC. PARPi probably results in little to no difference in OS (two studies, 1124 participants; HR 0.81, 95%CI 0.59 to 1.13; moderate-certainty evidence) (alive at 12 months 68% with PARPi versus 62% for placebo). However, PARPi may increase PFS (two studies, 1124 participants; HR 0.42, 95% CI 0.19 to 0.92; low-certainty evidence) (no evidence of disease progression at 12 months' 55% with PARPi versus 24% for placebo). There may be an increase in the risk of experiencing any SevAE (grade 3 or higher) with PARPi (54%) compared with placebo (19%)(two studies, 1118 participants, RR 2.87, 95% CI 1.65 to 4.99; very low-certainty evidence), but the evidence is very uncertain. There is probably a slight reduction in QoL with PARPi, although this may not be clinically significant (one study, 362 participants; MD -3.00, 95%CI -4.48 to -1.52; moderate-certainty evidence). Recurrent, platinum-sensitive EOC Overall, 10 studies evaluated the effect of PARPi in recurrent platinum-sensitive EOC. Three studies compared PARPi monotherapy with chemotherapy alone. PARPi may result in little to no difference in OS (two studies, 331 participants; HR 0.95, 95%CI 0.62 to 1.47; low-certainty evidence) (percentage alive at 36 months 18% with PARPi versus 17% for placebo). Evidence is very uncertain about the effect of PARPi on PFS (three studies, 739 participants; HR 0.88, 95%CI 0.56 to 1.38; very low-certainty evidence)(no evidence of disease progression at 12 months 26% with PARPi versus 22% for placebo). There may be little to no difference in rates of any SevAE (grade 3 or higher) with PARPi (50%) than chemotherapy alone (47%) (one study, 254 participants; RR 1.06, 95%CI 0.80 to 1.39; low-certainty evidence). Four studies compared PARPi monotherapy as maintenance with placebo. PARPi may result in little to no difference in OS (two studies, 560 participants; HR 0.88, 95%CI 0.65 to 1.20; moderate-certainty evidence)(percentage alive at 36 months 21% with PARPi versus 17% for placebo). However, evidence suggests that PARPi as maintenance therapy results in a large PFS (four studies, 1677 participants; HR 0.34, 95% CI 0.28 to 0.42; high-certainty evidence)(no evidence of disease progression at 12 months 37% with PARPi versus 5.5% for placebo). PARPi maintenance therapy may result in a large increase in any SevAE (51%) (grade 3 or higher) than placebo (19%)(four studies, 1665 participants, RR 2.62, 95%CI 1.85 to 3.72; low-certainty evidence). PARPi compared with chemotherapy may result in little or no change in QoL (one study, 229 participants, MD 1.20, 95%CI -1.75 to 4.16; low-certainty evidence). Recurrent, platinum-resistant EOC Two studies compared PARPi with chemotherapy. The certainty of evidence in both studies was graded as very low. Overall, there was minimal information on the QoL and adverse events. AUTHORS' CONCLUSIONS PARPi maintenance treatment after chemotherapy may improve PFS in women with newly-diagnosed and recurrent platinum-sensitive EOC; there may be little to no effect on OS, although OS data are immature. Overall, this is likely at the expense of an increase in SevAE. It is disappointing that data on quality of life outcomes are relatively sparse. More research is needed to determine whether PARPi have a role to play in platinum-resistant disease.
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Affiliation(s)
| | - Neil Ryan
- The Academic Women's Health Unit, Translational Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
- Department of Obstetrics and Gynaecology, St Michael's Hospital, Bristol, UK, Bristol, UK
| | - Alison J Wiggans
- Department of Gynaecological Oncology, Cheltenham General Hospital, Glocestershire Hospitals NHS Foundation Trust, Cheltenham, UK
| | | | - Jo Morrison
- Department of Gynaecological Oncology, GRACE Centre, Musgrove Park Hospital, Somerset NHS Foundation Trust, Taunton, UK
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Chen R, Kang R, Tang D. The mechanism of HMGB1 secretion and release. Exp Mol Med 2022; 54:91-102. [PMID: 35217834 PMCID: PMC8894452 DOI: 10.1038/s12276-022-00736-w] [Citation(s) in RCA: 231] [Impact Index Per Article: 115.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 10/13/2021] [Accepted: 11/04/2021] [Indexed: 02/08/2023] Open
Abstract
High mobility group box 1 (HMGB1) is a nonhistone nuclear protein that has multiple functions according to its subcellular location. In the nucleus, HMGB1 is a DNA chaperone that maintains the structure and function of chromosomes. In the cytoplasm, HMGB1 can promote autophagy by binding to BECN1 protein. After its active secretion or passive release, extracellular HMGB1 usually acts as a damage-associated molecular pattern (DAMP) molecule, regulating inflammation and immune responses through different receptors or direct uptake. The secretion and release of HMGB1 is fine-tuned by a variety of factors, including its posttranslational modification (e.g., acetylation, ADP-ribosylation, phosphorylation, and methylation) and the molecular machinery of cell death (e.g., apoptosis, pyroptosis, necroptosis, alkaliptosis, and ferroptosis). In this minireview, we introduce the basic structure and function of HMGB1 and focus on the regulatory mechanism of HMGB1 secretion and release. Understanding these topics may help us develop new HMGB1-targeted drugs for various conditions, especially inflammatory diseases and tissue damage. A nuclear protein that gets released after cell death or is actively secreted by immune cells offers a promising therapeutic target for treating diseases linked to excessive inflammation. Daolin Tang from the University of Texas Southwestern Medical Center in Dallas, USA, and colleagues review how cellular stresses can trigger the accumulation of HMGB1, a type of alarm signal protein that promotes the recruitment and activation of inflammation-promoting immune cells. The researchers discuss various mechanisms that drive both passive and active release of HMGB1 into the space around cells. These processes, which include enzymatic modifications of the HMGB1 protein, cell–cell interactions and molecular pathways of cell death, could be targeted by drugs to lessen tissue damage and inflammatory disease caused by HMGB1-induced immune responses
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Affiliation(s)
- Ruochan Chen
- Department of Infectious Diseases, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China. .,Hunan Key Laboratory of Viral Hepatitis, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China.
| | - Rui Kang
- Department of Surgery, UT Southwestern Medical Center, Dallas, TX, USA
| | - Daolin Tang
- Department of Surgery, UT Southwestern Medical Center, Dallas, TX, USA.
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Nerella SG, Bhattacharya A, Thacker PS, Tulja S. Synthetic methodologies and PET imaging applications of fluorine-18 radiotracers: a patent review. Expert Opin Ther Pat 2022; 32:455-473. [DOI: 10.1080/13543776.2022.2032649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- Sridhar Goud Nerella
- Department of Neuroimaging and Interventional Radiology (NI & IR), National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru–560 029, India
| | - Ahana Bhattacharya
- Department of Neuroimaging and Interventional Radiology (NI & IR), National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru–560 029, India
| | - Pavitra S Thacker
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad–500 037, India
| | - Sanam Tulja
- Department of Microbiology and Applied Sciences, University of Agricultural Sciences, Bangalore-560 065, India
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50
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Wang L, Wang P, Xu S, Li Z, Duan DD, Ye J, Li J, Ding Y, Zhang W, Lu J, Liu P. The cross-talk between PARylation and SUMOylation in C/EBPβ at K134 site participates in pathological cardiac hypertrophy. Int J Biol Sci 2022; 18:783-799. [PMID: 35002525 PMCID: PMC8741850 DOI: 10.7150/ijbs.65211] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 11/13/2021] [Indexed: 12/23/2022] Open
Abstract
Poly(ADP-ribosyl)ation (PARylation) and SUMO modification (SUMOylation) are novel post-translational modifications (PTMs) mainly induced by PARP1 and SUMO1. Growing evidence has revealed that C/EBPβ plays multiple roles in biological processes and participates in cardiovascular diseases. However, the cross-talk between C/EBPβ PARylation and SUMOylation during cardiovascular diseases is unknown. This study aims to investigate the effects of C/EBPβ PTMs on cardiac hypertrophy and its underlying mechanism. Abdominal aortic constriction (AAC) and phenylephrine (PE) were conducted to induce cardiac hypertrophy. Intramyocardial delivery of recombinant adenovirus (Ad-PARP1) was taken to induce PARP1 overexpression. In this study, we found C/EBPβ participates in PARP1-induced cardiac hypertrophy. C/EBPβ K134 residue could be both PARylated and SUMOylated individually by PARP1 and SUMO1. Moreover, the accumulation of PARylation on C/EBPβ at K134 site exhibits downregulation of C/EBPβ SUMOylation at the same site. Importantly, C/EBPβ K134 site SUMOylation could decrease C/EBPβ protein stability and participates in PARP1-induced cardiac hypertrophy. Taken together, these findings highlight the importance of the cross-talk between C/EBPβ PTMs at K134 site in determining its protein level and function, suggesting that multi-target pharmacological strategies inhibiting PARP1 and activating C/EBPβ SUMOylation would be potential for treating pathological cardiac hypertrophy.
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Affiliation(s)
- Luping Wang
- Department of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangdong, China.,Laboratory of Hematopathology & Drug Discovery, School of Medicine, South China University of Technology, Guangdong, China
| | - Panxia Wang
- Department of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangdong, China
| | - Suowen Xu
- Department of Endocrinology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Anhui, China
| | - Zhuoming Li
- Department of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangdong, China
| | - Dayue Darrel Duan
- Center for Phenomics of Traditional Chinese Medicine/the Affiliated Hospital of Traditional Chinese Medicine, Southwest Medical University, Sichuan, China
| | - Jiantao Ye
- Department of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangdong, China
| | - Jingyan Li
- Department of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangdong, China
| | - Yanqing Ding
- Department of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangdong, China
| | - Wenqing Zhang
- Laboratory of Hematopathology & Drug Discovery, School of Medicine, South China University of Technology, Guangdong, China
| | - Jing Lu
- Department of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangdong, China
| | - Peiqing Liu
- Department of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangdong, China.,National and Local United Engineering Lab of Druggability and New Drugs Evaluation, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangdong, China.,School of Pharmacy, Jinan University, 601 Huangpu Avenue West, Guangdong, China
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