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Bhutkar M, Saha A, Tomar S. Viral methyltransferase inhibitors: berbamine, venetoclax, and ponatinib as efficacious antivirals against chikungunya virus. Arch Biochem Biophys 2024; 759:110111. [PMID: 39111614 DOI: 10.1016/j.abb.2024.110111] [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: 05/19/2024] [Revised: 07/20/2024] [Accepted: 08/03/2024] [Indexed: 08/13/2024]
Abstract
Chikungunya virus (CHIKV), transmitted by mosquitoes, poses a significant global health threat. Presently, no effective treatment options are available to reduce the disease burden. The lack of approved therapeutics against CHIKV and the complex spectrum of chronic musculoskeletal and neurological manifestations raise significant concerns, and repurposing drugs could offer swift avenues in the development of effective treatment strategies. RNA capping is a crucial step meditated by non-structural protein 1 (nsP1) in CHIKV replication. In this study, FDA-approved antivirals targeting CHIKV nsP1 methyltransferase (MTase) have been identified by structure-based virtual screening. Berbamine Hydrochloride (BH), ABT199/Venetoclax (ABT), and Ponatinib (PT) were the top-hits, which exhibited robust binding energies. Tryptophan fluorescence spectroscopy-based assay confirmed binding of BH-, ABT-, and PT to purified nsP1 with KD values ∼5.45 μM, ∼161.3 μM, and ∼3.83 μM, respectively. In a capillary electrophoresis-based assay, a decrease in CHIKV nsP1 MTase activity was observed in a dose-dependent manner. Treatment with BH, ABT, and PT lead to a dose-dependent reduction in the virus titer with IC50 < 100, ∼6.75, and <3.9 nM, respectively, and reduced viral mRNA levels. The nsP1 MTases are highly conserved among alphaviruses; therefore, BH, ABT, and PT, as expected, inhibited replication machinery in Sindbis virus (SINV) replicon assay with IC50 ∼1.94, ∼0.23, and >1.25 μM, respectively. These results highlight the potential of repurposing drugs as rapid and effective antiviral therapeutics against CHIKV.
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Affiliation(s)
- Mandar Bhutkar
- Molecular Virology Lab, Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Uttarakhand, India
| | - Ankita Saha
- Molecular Virology Lab, Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Uttarakhand, India
| | - Shailly Tomar
- Molecular Virology Lab, Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Uttarakhand, India.
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Du KX, Wu YF, Hua W, Duan ZW, Gao R, Liang JH, Li Y, Yin H, Wu JZ, Shen HR, Wang L, Shao Y, Li JY, Liang JH, Xu W. Identify truly high-risk TP53-mutated diffuse large B cell lymphoma patients and explore the underlying biological mechanisms. Cell Commun Signal 2024; 22:401. [PMID: 39148095 PMCID: PMC11325619 DOI: 10.1186/s12964-024-01765-w] [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: 01/06/2024] [Accepted: 07/23/2024] [Indexed: 08/17/2024] Open
Abstract
TP53 mutation (TP53-mut) correlates with inferior survival in many cancers, whereas its prognostic role in diffuse large B-cell lymphoma (DLBCL) is still in controversy. Therefore, more precise risk stratification needs to be further explored for TP53-mut DLBCL patients. A set of 2637 DLBCL cases from multiple cohorts, was enrolled in our analysis. Among the 2637 DLBCL patients, 14.0% patients (370/2637) had TP53-mut. Since missense mutations account for the vast majority of TP53-mut DLBCL patients, and most non-missense mutations affect the function of the P53 protein, leading to worse survival rates, we distinguished patients with missense mutations. A TP53 missense mutation risk model was constructed based on a 150-combination machine learning computational framework, demonstrating excellent performance in predicting prognosis. Further analysis revealed that patients with high-risk missense mutations are significantly associated with early progression and exhibit dysregulation of multiple immune and metabolic pathways at the transcriptional level. Additionally, the high-risk group showed an absolutely suppressed immune microenvironment. To stratify the entire cohort of TP53-mut DLBCL, we combined clinical characteristics and ultimately constructed the TP53 Prognostic Index (TP53PI) model. In summary, we identified the truly high-risk TP53-mut DLBCL patients and explained this difference at the mutation and transcriptional levels.
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Affiliation(s)
- Kai-Xin Du
- Department of Hematology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, 210029, China
- Key Laboratory of Hematology, Nanjing Medical University, Nanjing, 210029, China
- Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing, 210029, China
| | - Yi-Fan Wu
- Department of Hematology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, 210029, China
- Key Laboratory of Hematology, Nanjing Medical University, Nanjing, 210029, China
- Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing, 210029, China
| | - Wei Hua
- Department of Hematology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, 210029, China
- Key Laboratory of Hematology, Nanjing Medical University, Nanjing, 210029, China
- Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing, 210029, China
| | - Zi-Wen Duan
- Department of Hematology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, 210029, China
- Key Laboratory of Hematology, Nanjing Medical University, Nanjing, 210029, China
- Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing, 210029, China
| | - Rui Gao
- Department of Endocrinology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, 210029, China
- Oxford Centre for Diabetes, Endocrinology and Metabolism, University of Oxford, Churchill Hospital, Oxford, OX3 7LE, UK
| | - Jun-Heng Liang
- Nanjing Geneseeq Technology Inc, Nanjing, Jiangsu, China
| | - Yue Li
- Department of Hematology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, 210029, China
- Key Laboratory of Hematology, Nanjing Medical University, Nanjing, 210029, China
- Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing, 210029, China
| | - Hua Yin
- Department of Hematology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, 210029, China
- Key Laboratory of Hematology, Nanjing Medical University, Nanjing, 210029, China
- Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing, 210029, China
| | - Jia-Zhu Wu
- Department of Hematology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, 210029, China
- Key Laboratory of Hematology, Nanjing Medical University, Nanjing, 210029, China
- Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing, 210029, China
| | - Hao-Rui Shen
- Department of Hematology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, 210029, China
- Key Laboratory of Hematology, Nanjing Medical University, Nanjing, 210029, China
- Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing, 210029, China
| | - Li Wang
- Department of Hematology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, 210029, China
- Key Laboratory of Hematology, Nanjing Medical University, Nanjing, 210029, China
- Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing, 210029, China
| | - Yang Shao
- Nanjing Geneseeq Technology Inc, Nanjing, Jiangsu, China
| | - Jian-Yong Li
- Department of Hematology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, 210029, China
- Key Laboratory of Hematology, Nanjing Medical University, Nanjing, 210029, China
- Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing, 210029, China
| | - Jin-Hua Liang
- Department of Hematology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, 210029, China.
- Key Laboratory of Hematology, Nanjing Medical University, Nanjing, 210029, China.
- Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing, 210029, China.
| | - Wei Xu
- Department of Hematology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, 210029, China.
- Key Laboratory of Hematology, Nanjing Medical University, Nanjing, 210029, China.
- Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing, 210029, China.
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Shah K, Ansari M, Saeed S, Wali A, Mushtaq Yasinzai M. Nilotinib: Disrupting the MYC-MAX Heterocomplex. Bioinform Biol Insights 2024; 18:11779322241267056. [PMID: 39081669 PMCID: PMC11287739 DOI: 10.1177/11779322241267056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 06/11/2024] [Indexed: 08/02/2024] Open
Abstract
MYC is a transcription factor crucial for maintaining cellular homeostasis, and its dysregulation is associated with highly aggressive cancers. Despite being considered "undruggable" due to its unstable protein structure, MYC gains stability through its interaction with its partner protein, MAX. The MYC-MAX heterodimer orchestrates the expression of numerous genes that contribute to an oncogenic phenotype. Previous efforts to develop small molecules, disrupting the MYC-MAX interaction, have shown promise in vitro but none have gained clinical approval. Our current computer-aided study utilizes an approach to explore drug repurposing as a strategy for inhibiting the c-MYC-MAX interaction. We have focused on compounds from DrugBank library, including Food and Drug Administration-approved drugs or those under investigation for other medical conditions. First, we identified a potential druggable site on flat interface of the c-MYC protein, which served as the target for virtual screening. Using both activity-based and structure-based screening, we comprehensively assessed the entire DrugBank library. Structure-based virtual screening was performed on AutoDock Vina and Glide docking tools, while activity-based screening was performed on two independent quantitative structure-activity relationship models. We focused on the top 2% of hit molecules from all screening methods. Ultimately, we selected consensus molecules from these screenings-those that exhibited both a stable interaction with c-MYC and superior inhibitory activity against c-MYC-MAX interaction. Among the evaluated molecules, we identified a protein kinase inhibitor (tyrosine kinase inhibitor [TKI]) known as nilotinib as a promising candidate targeting c-MYC-MAX dimer. Molecular dynamic simulations demonstrated a stable interaction between MYC and nilotinib. The interaction with nilotinib led to the stabilization of a region of the MYC protein that is distorted in apo-MYC and is important for MAX binding. Further analysis of differentially expressed gene revealed that nilotinib, uniquely among the tested TKIs, induced a gene expression program in which half of the genes were known to be responsive to c-MYC. Our findings provide the foundation for subsequent in vitro and in vivo investigations aimed at evaluating the efficacy of nilotinib in managing MYC oncogenic activity.
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Affiliation(s)
| | | | - Samina Saeed
- Department of Biotechnology, Faculty of Life Sciences & Informatics, Balochistan University of Information Technology, Engineering and Management Sciences (BUITEMS), Quetta, Pakistan
| | - Abdul Wali
- Department of Biotechnology, Faculty of Life Sciences & Informatics, Balochistan University of Information Technology, Engineering and Management Sciences (BUITEMS), Quetta, Pakistan
| | - Muhammad Mushtaq Yasinzai
- Department of Biotechnology, Faculty of Life Sciences & Informatics, Balochistan University of Information Technology, Engineering and Management Sciences (BUITEMS), Quetta, Pakistan
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Palominos C, Fuentes-Retamal S, Salazar JP, Guzmán-Rivera D, Correa P, Mellado M, Araya-Maturana R, Urra FA. Mitochondrial bioenergetics as a cell fate rheostat for responsive to Bcl-2 drugs: New cues for cancer chemotherapy. Cancer Lett 2024; 594:216965. [PMID: 38788967 DOI: 10.1016/j.canlet.2024.216965] [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: 03/05/2024] [Revised: 05/03/2024] [Accepted: 05/11/2024] [Indexed: 05/26/2024]
Abstract
Pro-survival BCL-2 proteins prevent the initiation of intrinsic apoptosis (mitochondria-dependent pathway) by inhibiting the pro-apoptotic proteins BAX and BAK, while BH3-only proteins promote apoptosis by blocking pro-survival BCL-2 proteins. Disruptions in this delicate balance contribute to cancer cell survival and chemoresistance. Recent advances in cancer therapeutics involve a new generation of drugs known as BH3-mimetics, which are small molecules designed to mimic the action of BH3-only proteins. Promising effects have been observed in patients with hematological and solid tumors undergoing treatment with these agents. However, the rapid emergence of mitochondria-dependent resistance to BH3-mimetics has been reported. This resistance involves increased mitochondrial respiration, altered mitophagy, and mitochondria with higher and tighter cristae. Conversely, mutations in isocitrate dehydrogenase 1 and 2, catalyzing R-2-hydroxyglutarate production, promote sensitivity to venetoclax. This evidence underscores the urgency for comprehensive studies on bioenergetics-based adaptive responses in both BH3 mimetics-sensitive and -resistant cancer cells. Ongoing clinical trials are evaluating BH3-mimetics in combination with standard chemotherapeutics. In this article, we discuss the role of mitochondrial bioenergetics in response to BH3-mimetics and explore potential therapeutic opportunities through metabolism-targeting strategies.
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Affiliation(s)
- Charlotte Palominos
- Metabolic Plasticity and Bioenergetics Laboratory, Clinical and Molecular Pharmacology Program, Institute of Biomedical Sciences (ICBM), Faculty of Medicine, University of Chile, Santiago, 8380453, Chile; Network for Snake Venom Research and Drug Discovery, Santiago, 8380453, Chile; Interdisciplinary Group on Mitochondrial Targeting and Bioenergetics (MIBI), Talca, 3480094, Chile
| | - Sebastián Fuentes-Retamal
- Metabolic Plasticity and Bioenergetics Laboratory, Clinical and Molecular Pharmacology Program, Institute of Biomedical Sciences (ICBM), Faculty of Medicine, University of Chile, Santiago, 8380453, Chile; Network for Snake Venom Research and Drug Discovery, Santiago, 8380453, Chile; Interdisciplinary Group on Mitochondrial Targeting and Bioenergetics (MIBI), Talca, 3480094, Chile; Universidad Andrés Bello. Escuela de Química y Farmacia, Facultad de Medicina, 8320000, Santiago, Chile
| | - Juan Pablo Salazar
- Metabolic Plasticity and Bioenergetics Laboratory, Clinical and Molecular Pharmacology Program, Institute of Biomedical Sciences (ICBM), Faculty of Medicine, University of Chile, Santiago, 8380453, Chile; Network for Snake Venom Research and Drug Discovery, Santiago, 8380453, Chile; Interdisciplinary Group on Mitochondrial Targeting and Bioenergetics (MIBI), Talca, 3480094, Chile
| | - Daniela Guzmán-Rivera
- Metabolic Plasticity and Bioenergetics Laboratory, Clinical and Molecular Pharmacology Program, Institute of Biomedical Sciences (ICBM), Faculty of Medicine, University of Chile, Santiago, 8380453, Chile; Universidad Andrés Bello. Escuela de Química y Farmacia, Facultad de Medicina, 8320000, Santiago, Chile
| | - Pablo Correa
- Metabolic Plasticity and Bioenergetics Laboratory, Clinical and Molecular Pharmacology Program, Institute of Biomedical Sciences (ICBM), Faculty of Medicine, University of Chile, Santiago, 8380453, Chile; Network for Snake Venom Research and Drug Discovery, Santiago, 8380453, Chile; Interdisciplinary Group on Mitochondrial Targeting and Bioenergetics (MIBI), Talca, 3480094, Chile
| | - Mathias Mellado
- Metabolic Plasticity and Bioenergetics Laboratory, Clinical and Molecular Pharmacology Program, Institute of Biomedical Sciences (ICBM), Faculty of Medicine, University of Chile, Santiago, 8380453, Chile; Network for Snake Venom Research and Drug Discovery, Santiago, 8380453, Chile
| | - Ramiro Araya-Maturana
- Network for Snake Venom Research and Drug Discovery, Santiago, 8380453, Chile; Interdisciplinary Group on Mitochondrial Targeting and Bioenergetics (MIBI), Talca, 3480094, Chile; Instituto de Química de Recursos Naturales, Universidad de Talca, Talca, 3460000, Chile
| | - Félix A Urra
- Metabolic Plasticity and Bioenergetics Laboratory, Clinical and Molecular Pharmacology Program, Institute of Biomedical Sciences (ICBM), Faculty of Medicine, University of Chile, Santiago, 8380453, Chile; Network for Snake Venom Research and Drug Discovery, Santiago, 8380453, Chile; Interdisciplinary Group on Mitochondrial Targeting and Bioenergetics (MIBI), Talca, 3480094, Chile; Interuniversity Center for Healthy Aging (CIES), Consortium of Universities of the State of Chile (CUECH), Santiago, 8320216, Chile.
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Nguyen HDT, LE TM, Lee D, Cho HJ, Lee J, Sohn SK, Kim JG, Ham JY, Moon JH, Han HS, Kim J, Baek DW. Synergistic Effect of Venetoclax and Bendamustine in Early T-cell Precursor Acute Lymphoblastic Leukemia. In Vivo 2024; 38:1740-1749. [PMID: 38936885 PMCID: PMC11215584 DOI: 10.21873/invivo.13624] [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: 03/11/2024] [Revised: 04/10/2024] [Accepted: 04/11/2024] [Indexed: 06/29/2024]
Abstract
BACKGROUND/AIM To date, therapeutic options for T-cell acute lymphoblastic leukemia (T-ALL) remain very limited. This study evaluated the efficacy of monotherapies and combination therapies including a selective BCL-2 inhibitor for T-ALL cell lines, namely Jurkat, CCRF-CEM, and Loucy. MATERIALS AND METHODS Loucy is an early T-precursor ALL (ETP-ALL) cell line characterized by an immature phenotype, whereas Jurkat and CCRF-CEM are late T-cell progenitor ALL (LTP-ALL) cell lines. Monotherapy was conducted with venetoclax, cytarabine, bendamustine, or azacytidine, whereas combination therapy was performed with venetoclax plus cytarabine, venetoclax plus bendamustine, or venetoclax plus azacytidine. Cell viability assay was conducted after 48 h using Trypan blue and the 3-(4, 5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium (MTS). Statistical analysis for evaluating synergistic interactions between anticancer drugs was performed by using the SynergyFinder Plus and drc R package. RESULTS Adding venetoclax to cytarabine, bendamustine, or azacitidine achieved an additive effect, with Loewe synergic scores ranging from -10 to 10 in Jurkat and CCRF-CEM. Conversely, the combination of venetoclax and cytarabine displayed an additive effect (Loewe synergic score: 8.45 and 5.82 with MTS and Trypan blue assays, respectively), whereas venetoclax plus bendamustine or azacitidine exhibited a synergistic effect (Loewe synergic score >10 with MTS assay) in Loucy. Remarkably, the Bliss/Loewe score revealed that the combination of venetoclax and bendamustine was the most synergistic, yielding a score of 13.832±0.55. CONCLUSION The combination of venetoclax and bendamustine demonstrated the greatest synergistic effect in suppressing ETP-ALL cell proliferation. Further studies are warranted to determine the mechanisms for the synergism between venetoclax and bendamustine in high-risk T-ALL.
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Affiliation(s)
- Hong Duc Thi Nguyen
- Department of Biomedical Science, Graduate School, Kyungpook National University, Daegu, Republic of Korea
- BK21 Four Program, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Tan Minh LE
- Department of Biomedical Science, Graduate School, Kyungpook National University, Daegu, Republic of Korea
- BK21 Four Program, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Donghyeon Lee
- Department of Biomedical Science, Graduate School, Kyungpook National University, Daegu, Republic of Korea
- BK21 Four Program, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Hee Jeong Cho
- Department of Hematology/Oncology, Kyungpook National University Hospital, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Jungmin Lee
- Department of Hematology/Oncology, Kyungpook National University Chilgok Hospital, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Sang Kyun Sohn
- Department of Hematology/Oncology, Kyungpook National University Hospital, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Jong Gwang Kim
- Department of Hematology/Oncology, Kyungpook National University Chilgok Hospital, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Ji Yeon Ham
- Department of Laboratory Medicine, Kyungpook National University Chilgok Hospital, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Joon Ho Moon
- Department of Hematology/Oncology, Kyungpook National University Chilgok Hospital, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Hyung Soo Han
- Department of Biomedical Science, Graduate School, Kyungpook National University, Daegu, Republic of Korea
- BK21 Four Program, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Juhyung Kim
- Department of Hematology/Oncology, Kyungpook National University Chilgok Hospital, School of Medicine, Kyungpook National University, Daegu, Republic of Korea;
| | - Dong Won Baek
- Department of Hematology/Oncology, Kyungpook National University Chilgok Hospital, School of Medicine, Kyungpook National University, Daegu, Republic of Korea;
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Zhang Y, Yu C, Li X. Kidney Aging and Chronic Kidney Disease. Int J Mol Sci 2024; 25:6585. [PMID: 38928291 PMCID: PMC11204319 DOI: 10.3390/ijms25126585] [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: 04/27/2024] [Revised: 06/05/2024] [Accepted: 06/07/2024] [Indexed: 06/28/2024] Open
Abstract
The process of aging inevitably leads to an increase in age-related comorbidities, including chronic kidney disease (CKD). In many aspects, CKD can be considered a state of accelerated and premature aging. Aging kidney and CKD have numerous common characteristic features, ranging from pathological presentation and clinical manifestation to underlying mechanisms. The shared mechanisms underlying the process of kidney aging and the development of CKD include the increase in cellular senescence, the decrease in autophagy, mitochondrial dysfunction, and the alterations of epigenetic regulation, suggesting the existence of potential therapeutic targets that are applicable to both conditions. In this review, we provide a comprehensive overview of the common characteristics between aging kidney and CKD, encompassing morphological changes, functional alterations, and recent advancements in understanding the underlying mechanisms. Moreover, we discuss potential therapeutic strategies for targeting senescent cells in both the aging process and CKD.
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Affiliation(s)
- Yingying Zhang
- Department of Internal Medicine, Mayo Clinic, Rochester, MN 55905, USA;
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN 55905, USA
| | - Chen Yu
- Department of Nephrology, Shanghai Tongji Hospital, Tongji University School of Medicine, Shanghai 200092, China;
| | - Xiaogang Li
- Department of Internal Medicine, Mayo Clinic, Rochester, MN 55905, USA;
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN 55905, USA
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Schönfeld B, Sundermann J, Keller BL, Westedt U, Heinzerling O. Transformation of ABT-199 Nanocrystal Suspensions into a Redispersible Drug Product-Impact of Vacuum Drum Drying, Spray Drying and Tableting on Re-Nanodispersibility. Pharmaceutics 2024; 16:782. [PMID: 38931903 PMCID: PMC11207449 DOI: 10.3390/pharmaceutics16060782] [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: 05/03/2024] [Revised: 06/02/2024] [Accepted: 06/05/2024] [Indexed: 06/28/2024] Open
Abstract
The present study compared vacuum drum drying (VDD) and conventional spray drying (SD) for solidifying crystalline ABT-199 nanosuspensions into redispersible oral drug products. The aim was to optimize formulation compositions and process conditions to maintain nanoparticle size after tablet redispersion. The impact of drug load (22%, 33%, 44%) and type of drying protectant (mannitol, mannitol/trehalose mix (1:1), trehalose) on redispersibility and material powder properties were investigated. Moreover, compression analysis was performed assessing the influence of compaction pressure on primary nanocrystal redispersibility and tablet disintegration. Higher drug loads and lower drying protectant levels resulted in particle growth, confirming a drug load dependence on redispersibility behavior. Notably, all drying protectants showed similar protection properties at properly chosen drying process parameters (Tg-dependent), except when VDD was used for mannitol formulations. Differences between the applied drying processes were observed in terms of downstream processing and tabletability: mannitol-containing formulations solidified via VDD showed an improved processability compared to formulations with trehalose. In conclusion, VDD is a promising drying technique that offers advantageous downstream processability compared to SD and represents an attractive novel processing technology for the pharmaceutical industry. As demonstrated in the present study, VDD combines higher yields with a leaner manufacturing process flow. The improved bulk properties provide enhanced tabletability and enable direct compression.
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Affiliation(s)
| | | | | | - Ulrich Westedt
- AbbVie Deutschland GmbH & Co. KG, Knollstraße 50, 67061 Ludwigshafen, Germany; (B.S.); (J.S.); (B.-L.K.); (O.H.)
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Mosquera-Sulbaran JA, Pedreañez A, Vargas R, Hernandez-Fonseca JP. Apoptosis in post-streptococcal glomerulonephritis and mechanisms for failed of inflammation resolution. Pediatr Nephrol 2024; 39:1709-1724. [PMID: 37775580 DOI: 10.1007/s00467-023-06162-y] [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] [Received: 07/18/2023] [Revised: 09/05/2023] [Accepted: 09/05/2023] [Indexed: 10/01/2023]
Abstract
Post-streptococcal glomerulonephritis is a condition resulting from infection by group A beta-hemolytic streptococcus. The main mechanism involves the formation of immune complexes formed in the circulation or in situ on the glomerular basement membrane, which activates complement and causes various inflammatory processes. Cellular mechanisms have been reported in the induction of kidney damage represented by the infiltration of innate cells (neutrophils and monocyte/macrophages) and adaptive cells (CD4 + lymphocytes and CD8 + lymphocytes) of the immune system. These cells induce kidney damage through various mechanisms. It has been reported that nephritogenic antigens are capable of inducing inflammatory processes early, even before the formation of immune complexes. Usually, this disease progresses towards clinical and renal normalization; however, in a smaller number of patients, it evolves into chronicity and persistent kidney damage. Hypotheses have been proposed regarding the mechanisms underlying this progression to chronicity including failure to induce apoptosis and failure to phagocytose apoptotic cells, allowing these cells to undergo membrane permeabilization and release pro-inflammatory molecules into the environment, thereby perpetuating renal inflammation. Other mechanisms involved include persistent infection, genetic background of the host's complement system, tubulointerstitial changes, and pre-existing kidney damage due to old age and comorbidities.
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Affiliation(s)
- Jesús A Mosquera-Sulbaran
- Instituto de Investigaciones Clínicas "Dr. Américo Negrette," Facultad de Medicina, Universidad del Zulia, Apartado Postal: 23, Maracaibo, 4001-A, Zulia, Venezuela.
| | - Adriana Pedreañez
- Escuela de Bioanálisis, Facultad de Medicina, Universidad del Zulia, Maracaibo, Venezuela
| | - Renata Vargas
- Instituto de Investigaciones Clínicas "Dr. Américo Negrette," Facultad de Medicina, Universidad del Zulia, Apartado Postal: 23, Maracaibo, 4001-A, Zulia, Venezuela
| | - Juan Pablo Hernandez-Fonseca
- Instituto de Investigaciones Clínicas "Dr. Américo Negrette," Facultad de Medicina, Universidad del Zulia, Apartado Postal: 23, Maracaibo, 4001-A, Zulia, Venezuela
- Servicio de Microscopia Electrónica del Centro Nacional de Biotecnología (CNB-CSIC), Madrid, Spain
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Lewis CJ, de Grey AD. Combining rejuvenation interventions in rodents: a milestone in biomedical gerontology whose time has come. Expert Opin Ther Targets 2024; 28:501-511. [PMID: 38477630 DOI: 10.1080/14728222.2024.2330425] [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: 10/09/2023] [Accepted: 03/11/2024] [Indexed: 03/14/2024]
Abstract
INTRODUCTION Longevity research has matured to the point where significantly postponing age-related decline in physical and mental function is now achievable in the laboratory and foreseeable in the clinic. The most promising strategies involve rejuvenation, i.e. reducing biological age, not merely slowing its progression. AREAS COVERED We discuss therapeutic strategies for rejuvenation and results achieved thus far, with a focus on in vivo studies. We discuss the implications of interventions which act on mean or maximum lifespan and those showing effects in accelerated disease models. While the focus is on work conducted in mice, we also highlight notable insights in the field from studies in other model organisms. EXPERT OPINION Rejuvenation was originally proposed as easier than slowing aging because it targets initially inert changes to tissue structure and composition, rather than trying to disentangle processes that both create aging damage and maintain life. While recent studies support this hypothesis, a true test requires a panel of rejuvenation interventions targeting multiple damage categories simultaneously. Considerations of cost, profitability, and academic significance have dampened enthusiasm for such work, but it is vital. Now is the time for the field to take this key step toward the medical control of aging.
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Affiliation(s)
- Caitlin J Lewis
- Longevity Escape Velocity Foundation, San Francisco, CA, USA
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10
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Zhang H, Xu X, Shou X, Liao W, Jin C, Chen C, Zhang C, Gao W, Zhang J, Ge W, Shi L. Senolytic Therapy Enabled by Senescent Cell-Sensitive Biomimetic Melanin Nano-Senolytics. Adv Healthc Mater 2024:e2401085. [PMID: 38796738 DOI: 10.1002/adhm.202401085] [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: 03/22/2024] [Revised: 05/09/2024] [Indexed: 05/28/2024]
Abstract
Cellular senescence is a significant risk factor for aging and age-related diseases (ARD). The canonical senolytics Dasatinib and Quercetin (DQ) have shown promise in clearing senescent cells (SnCs); however, the lack of selectivity poses a challenge in achieving optimal outcomes. Despite the recent occurrence of nanomaterial-based approaches targeting SnCs, limited therapeutic effects, and potential toxicity still remain a major concern. Herein, a "double locks-like" nanoplatform is developed that integrated Galactan coating and mesoporous polydopamine to encase the senolytic drug DQ. By this way, DQ is only released in SnCs that are featured with higher levels of β-galactosidase (β-gal) and low PH. Additionally, the nanoparticles are equipped with 2,2,6,6-Tetramethylpiperidine-1-oxyl (Tempo) to gain enhanced photothermal converting potential. Consequently, the synthesized nanosenolytics demonstrate remarkable specificity and efficacy in eradicating SnCs, and accordingly reverse pulmonary fibrosis in mice without affecting normal tissues. Upon exposure of near-infrared (NIR) light, the nanoparticles demonstrate to efficiently remove senescent tumor cells inducted by chemotherapy, thereby hindering the outgrowth and metastasis or breast cancer. Collectively, the present study develops an "On/Off" switchable nanoplatform in response to SnCs, and produces a more safe, efficient, and feasible way to delay aging or alleviate age-associated diseases.
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Affiliation(s)
- Hairui Zhang
- Key Laboratory of Artificial Organs and Computational Medicine, Institute of Translational Medicine, Zhejiang Shuren University, Hangzhou, Zhejiang, 310015, China
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Xiaoling Xu
- Key Laboratory of Artificial Organs and Computational Medicine, Institute of Translational Medicine, Zhejiang Shuren University, Hangzhou, Zhejiang, 310015, China
- Shulan International Medical College, Zhejiang Shuren University, Hangzhou, 310015, China
| | - Xin Shou
- Key Laboratory of Artificial Organs and Computational Medicine, Institute of Translational Medicine, Zhejiang Shuren University, Hangzhou, Zhejiang, 310015, China
| | - Wucan Liao
- Department of Immunology and Medical Microbiology, Nanjing University of Chinese Medicine, Nanjing, 210046, China
| | - Chengkang Jin
- College of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Changjiang Chen
- Department of Immunology and Medical Microbiology, Nanjing University of Chinese Medicine, Nanjing, 210046, China
| | - Chen Zhang
- Key Laboratory of Artificial Organs and Computational Medicine, Institute of Translational Medicine, Zhejiang Shuren University, Hangzhou, Zhejiang, 310015, China
| | - Wenhua Gao
- Department of Immunology and Medical Microbiology, Nanjing University of Chinese Medicine, Nanjing, 210046, China
| | - Junfeng Zhang
- Department of Immunology and Medical Microbiology, Nanjing University of Chinese Medicine, Nanjing, 210046, China
| | - Weihong Ge
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Liyun Shi
- Key Laboratory of Artificial Organs and Computational Medicine, Institute of Translational Medicine, Zhejiang Shuren University, Hangzhou, Zhejiang, 310015, China
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11
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Hoque MM, Iida Y, Kotani H, Harada M. Senolysis of gemcitabine-induced senescent human pancreatic cancer cells. Cancer Rep (Hoboken) 2024; 7:e2075. [PMID: 38662379 PMCID: PMC11044911 DOI: 10.1002/cnr2.2075] [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: 08/01/2023] [Revised: 03/20/2024] [Accepted: 04/08/2024] [Indexed: 04/26/2024] Open
Abstract
INTRODUCTION Gemcitabine (GEM) is often used to treat pancreatic cancer. Many anti-cancer drugs induce cancer cell death, but some cells survive after cell cycle arrest. Such a response to DNA damage is termed cellular senescence. Certain drugs, including the Bcl-2-family inhibitor ABT-263, kill senescent cells; this is termed senolysis. In this study, we examined the therapeutic benefits of ABT-263 in GEM-induced senescence of human pancreatic cancer cells. METHODS AND RESULTS Of four pancreatic cancer cell lines (PANC-1, AsPC-1, CFPAC-1, and PANC10.05), GEM induced senescent features in PANC-1 and AsPC-1 cells, including increases in the cell sizes and expression levels of mRNAs encoding interleukin (IL)-6/IL-8 and induction of β-galactosidase. Successive treatment with GEM and ABT-263 triggered apoptosis in PANC-1 and AsPC-1 cells and suppressed colony formation significantly. Senolysis of GEM-induced senescent pancreatic cancer cells by ABT-263 was triggered by a Bcl-xL inhibitor, but not by a Bcl-2 inhibitor, suggesting a central role for Bcl-xL in senolysis. In a xenograft mouse model, combined treatment with GEM and ABT-737 (an ABT-263 analog exhibiting the same specificity) suppressed in vivo growth of AsPC-1 significantly. CONCLUSION Together, our results indicate that sequential treatment with GEM and senolytic drugs effectively kill human pancreatic cancer cells.
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Affiliation(s)
| | - Yuichi Iida
- Department of ImmunologyShimane University Faculty of MedicineIzumoShimaneJapan
| | - Hitoshi Kotani
- Department of ImmunologyShimane University Faculty of MedicineIzumoShimaneJapan
| | - Mamoru Harada
- Department of ImmunologyShimane University Faculty of MedicineIzumoShimaneJapan
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12
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Gong Q, Wang H, Zhou M, Zhou L, Wang R, Li Y. B-cell lymphoma-2 family proteins in the crosshairs: Small molecule inhibitors and activators for cancer therapy. Med Res Rev 2024; 44:707-737. [PMID: 37983840 DOI: 10.1002/med.21999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/31/2023] [Accepted: 11/02/2023] [Indexed: 11/22/2023]
Abstract
The B-cell lymphoma-2 (BCL-2) family of proteins plays a crucial role in the regulation of apoptosis, offering a dual mechanism for its control. Numerous studies have established a strong association between gene disorders of these proteins and the proliferation of diverse cancer cell types. Consequently, the identification and development of drugs targeting BCL-2 family proteins have emerged as a prominent area in antitumor therapy. Over the last two decades, several small-molecules have been designed to modulate the protein-protein interactions between anti- and proapoptotic BCL-2 proteins, effectively suppressing tumor growth and metastasis in vivo. The primary focus of research has been on developing BCL-2 homology 3 (BH3) mimetics to target antiapoptotic BCL-2 proteins, thereby competitively releasing proapoptotic BCL-2 proteins and restoring the blocked intrinsic apoptotic program. Additionally, for proapoptotic BCL-2 proteins, exogenous small molecules have been explored to activate cell apoptosis by directly interacting with executioner proteins such as BCL-2-associated X protein (BAX) or BCL-2 homologous antagonist/killer protein (BAK). In this comprehensive review, we summarize the inhibitors and activators (sensitizers) of BCL-2 family proteins developed over the past decades, highlighting their discovery, optimization, preclinical and clinical status, and providing an overall landscape of drug development targeting these proteins for therapeutic purposes.
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Affiliation(s)
- Qineng Gong
- Department of Medicinal Chemistry, School of Pharmacy, Fudan University, Shanghai, People's Republic of China
| | - Haojie Wang
- Department of Medicinal Chemistry, School of Pharmacy, Fudan University, Shanghai, People's Republic of China
| | - Mi Zhou
- Department of Medicinal Chemistry, School of Pharmacy, Fudan University, Shanghai, People's Republic of China
| | - Lu Zhou
- Department of Medicinal Chemistry, School of Pharmacy, Fudan University, Shanghai, People's Republic of China
| | - Renxiao Wang
- Department of Medicinal Chemistry, School of Pharmacy, Fudan University, Shanghai, People's Republic of China
| | - Yan Li
- Department of Medicinal Chemistry, School of Pharmacy, Fudan University, Shanghai, People's Republic of China
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13
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Newell S, van der Watt PJ, Leaner VD. Therapeutic targeting of nuclear export and import receptors in cancer and their potential in combination chemotherapy. IUBMB Life 2024; 76:4-25. [PMID: 37623925 PMCID: PMC10952567 DOI: 10.1002/iub.2773] [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: 03/29/2023] [Accepted: 07/03/2023] [Indexed: 08/26/2023]
Abstract
Systemic modalities are crucial in the management of disseminated malignancies and liquid tumours. However, patient responses and tolerability to treatment are generally poor and those that enter remission often return with refractory disease. Combination therapies provide a methodology to overcome chemoresistance mechanisms and address dose-limiting toxicities. A deeper understanding of tumorigenic processes at the molecular level has brought a targeted therapy approach to the forefront of cancer research, and novel cancer biomarkers are being identified at a rapid rate, with some showing potential therapeutic benefits. The Karyopherin superfamily of proteins is soluble receptors that mediate nucleocytoplasmic shuttling of proteins and RNAs, and recently, nuclear transport receptors have been recognized as novel anticancer targets. Inhibitors against nuclear export have been approved for clinical use against certain cancer types, whereas inhibitors against nuclear import are in preclinical stages of investigation. Mechanistically, targeting nucleocytoplasmic shuttling has shown to abrogate oncogenic signalling and restore tumour suppressor functions through nuclear sequestration of relevant proteins and mRNAs. Hence, nuclear transport inhibitors display broad spectrum anticancer activity and harbour potential to engage in synergistic interactions with a wide array of cytotoxic agents and other targeted agents. This review is focussed on the most researched nuclear transport receptors in the context of cancer, XPO1 and KPNB1, and highlights how inhibitors targeting these receptors can enhance the therapeutic efficacy of standard of care therapies and novel targeted agents in a combination therapy approach. Furthermore, an updated review on the therapeutic targeting of lesser characterized karyopherin proteins is provided and resistance to clinically approved nuclear export inhibitors is discussed.
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Affiliation(s)
- Stella Newell
- Division of Medical Biochemistry and Structural Biology, Department of Integrative Biomedical Sciences, Faculty of Health SciencesUniversity of Cape TownCape TownSouth Africa
| | - Pauline J. van der Watt
- Division of Medical Biochemistry and Structural Biology, Department of Integrative Biomedical Sciences, Faculty of Health SciencesUniversity of Cape TownCape TownSouth Africa
- Institute of Infectious Diseases and Molecular Medicine, University of Cape TownCape TownSouth Africa
| | - Virna D. Leaner
- Division of Medical Biochemistry and Structural Biology, Department of Integrative Biomedical Sciences, Faculty of Health SciencesUniversity of Cape TownCape TownSouth Africa
- UCT/SAMRC Gynaecological Cancer Research CentreUniversity of Cape TownCape TownSouth Africa
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14
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Čižmáriková M, Michalková R, Mirossay L, Mojžišová G, Zigová M, Bardelčíková A, Mojžiš J. Ellagic Acid and Cancer Hallmarks: Insights from Experimental Evidence. Biomolecules 2023; 13:1653. [PMID: 38002335 PMCID: PMC10669545 DOI: 10.3390/biom13111653] [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: 10/13/2023] [Revised: 11/10/2023] [Accepted: 11/12/2023] [Indexed: 11/26/2023] Open
Abstract
Cancer is a complex and multifaceted disease with a high global incidence and mortality rate. Although cancer therapy has evolved significantly over the years, numerous challenges persist on the path to effectively combating this multifaceted disease. Natural compounds derived from plants, fungi, or marine organisms have garnered considerable attention as potential therapeutic agents in the field of cancer research. Ellagic acid (EA), a natural polyphenolic compound found in various fruits and nuts, has emerged as a potential cancer prevention and treatment agent. This review summarizes the experimental evidence supporting the role of EA in targeting key hallmarks of cancer, including proliferation, angiogenesis, apoptosis evasion, immune evasion, inflammation, genomic instability, and more. We discuss the molecular mechanisms by which EA modulates signaling pathways and molecular targets involved in these cancer hallmarks, based on in vitro and in vivo studies. The multifaceted actions of EA make it a promising candidate for cancer prevention and therapy. Understanding its impact on cancer biology can pave the way for developing novel strategies to combat this complex disease.
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Affiliation(s)
- Martina Čižmáriková
- Department of Pharmacology, Faculty of Medicine, Pavol Jozef Šafárik University, 040 01 Košice, Slovakia; (M.Č.); (R.M.); (M.Z.); (A.B.)
| | - Radka Michalková
- Department of Pharmacology, Faculty of Medicine, Pavol Jozef Šafárik University, 040 01 Košice, Slovakia; (M.Č.); (R.M.); (M.Z.); (A.B.)
| | - Ladislav Mirossay
- Department of Pharmacology, Faculty of Medicine, Pavol Jozef Šafárik University, 040 01 Košice, Slovakia; (M.Č.); (R.M.); (M.Z.); (A.B.)
| | - Gabriela Mojžišová
- Center of Clinical and Preclinical Research MEDIPARK, Faculty of Medicine, Pavol Jozef Šafárik University, 040 01 Košice, Slovakia;
| | - Martina Zigová
- Department of Pharmacology, Faculty of Medicine, Pavol Jozef Šafárik University, 040 01 Košice, Slovakia; (M.Č.); (R.M.); (M.Z.); (A.B.)
| | - Annamária Bardelčíková
- Department of Pharmacology, Faculty of Medicine, Pavol Jozef Šafárik University, 040 01 Košice, Slovakia; (M.Č.); (R.M.); (M.Z.); (A.B.)
| | - Ján Mojžiš
- Department of Pharmacology, Faculty of Medicine, Pavol Jozef Šafárik University, 040 01 Košice, Slovakia; (M.Č.); (R.M.); (M.Z.); (A.B.)
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15
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Joy R, Siddiqua H, Sharma S, Raveendran M, John F, Hassan P, Gawali SL, Raghavan SC, George J. Block Copolymer Encapsulation of Disarib, an Inhibitor of BCL2 for Improved Chemotherapeutic Potential. ACS OMEGA 2023; 8:40729-40740. [PMID: 37929147 PMCID: PMC10621013 DOI: 10.1021/acsomega.3c05802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 10/06/2023] [Accepted: 10/09/2023] [Indexed: 11/07/2023]
Abstract
A chemical inhibitor of antiapoptotic protein, BCL2, known as Disarib, suffers poor solubility in aqueous environments; thereby limiting its potential as a chemotherapeutic agent. To overcome this limitation and enhance the therapeutic efficacy of Disarib, we have employed the encapsulation of this small molecule inhibitor within P123 copolymer matrix. Micelles were synthesized using a thin-film hydration technique, and a comprehensive analysis was undertaken to evaluate the resulting micelle properties, including morphology, particle size, intermolecular interactions, encapsulation efficiency, and in vitro release characteristics. This assessment utilized various physicochemical techniques including UV spectroscopy, FTIR spectroscopy, dynamic light scattering (DLS), transmission electron microscopy (TEM), and small-angle X-ray scattering (SAXS). Disarib-loaded P123 micelle formulation denoted as P123D exhibited a well-defined particle size of approximately 29.2 nm spherical core-shell morphology. Our investigations revealed a notable encapsulation efficiency of 75%, and we observed a biphasic release pattern for the encapsulated Disarib. Furthermore, our cytotoxicity assessment of P123D micelles against mouse breast adenocarcinoma, mouse lymphoma, and human leukemic cell lines showed 40-45% increase in cytotoxicity compared with the administration of Disarib alone in the breast adenocarcinoma cell line. Enhancement in the cytotoxicity of P123D was found to be higher or limited; however, it is important to observe that the encapsulation method significantly enhanced the aqueous solubility of Disarib as it has the best solubility in dimethyl sulfoxide (DMSO) in the unencapsulated state.
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Affiliation(s)
- Reshma Joy
- Bio-organic
Laboratory, Department of Chemistry, Sacred
Heart College, Kochi 682013, India
| | - Humaira Siddiqua
- Department
of Biochemistry, Indian Institute of Science, Bangalore 560012, India
| | - Shivangi Sharma
- Department
of Biochemistry, Indian Institute of Science, Bangalore 560012, India
| | - Manthra Raveendran
- Department
of Biochemistry, Indian Institute of Science, Bangalore 560012, India
| | - Franklin John
- Bio-organic
Laboratory, Department of Chemistry, Sacred
Heart College, Kochi 682013, India
| | | | - Santosh L Gawali
- Chemistry
Division, Bhabha Atomic Research Centre, Mumbai 400085, India
| | - Sathees C. Raghavan
- Department
of Biochemistry, Indian Institute of Science, Bangalore 560012, India
| | - Jinu George
- Bio-organic
Laboratory, Department of Chemistry, Sacred
Heart College, Kochi 682013, India
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16
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Glinkina KA, Teunisse AF, Gelmi MC, de Vries J, Jager MJ, Jochemsen AG. Combined Mcl-1 and YAP1/TAZ inhibition for treatment of metastatic uveal melanoma. Melanoma Res 2023; 33:345-356. [PMID: 37467061 PMCID: PMC10470438 DOI: 10.1097/cmr.0000000000000911] [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: 01/26/2023] [Accepted: 05/30/2023] [Indexed: 07/21/2023]
Abstract
Uveal melanoma is the most common intraocular tumor in adults, representing approximately 5% of all melanoma cases. Up to 50% of uveal melanoma patients develop metastases that are resistant to most of the commonly used antineoplastic treatments. Virtually all uveal melanoma tumors harbor activating mutations in GNAQ or GNA11 , encoding Gαq and Gα11, respectively. Constant activity of these proteins causes deregulation of multiple downstream signaling pathways including PKC, MAPK and YAP1/TAZ. While the importance of YAP1 signaling for the proliferation of uveal melanoma has recently been demonstrated, much less is known about the paralog of YAP1 transcriptional coactivator, named TAZ; however, similar to YAP1, TAZ is expected to be a therapeutic target in uveal melanoma. We performed a small-scale drug screen to discover a compound synergistically inhibiting uveal melanoma proliferation/survival in combination with YAP1/TAZ inhibition. We found that the combination of genetic depletion of YAP1/TAZ together with Mcl-1 inhibition demonstrates a synergistic inhibitory effect on the viability of uveal melanoma cell lines. Similarly, indirect attenuation of the YAP1/TAZ signaling pathway with an inhibitor of the mevalonate pathway, that is, the geranyl-geranyl transferase inhibitor GGTI-298, synergizes with Mcl-1 inhibition. This combination could be potentially used as a treatment for metastatic uveal melanoma.
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Affiliation(s)
| | | | - Maria Chiara Gelmi
- Department of Ophthalmology, Leiden University Medical Center, Leiden, The Netherlands
| | | | - Martine J. Jager
- Department of Ophthalmology, Leiden University Medical Center, Leiden, The Netherlands
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17
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Yang D, Sun B, Li S, Wei W, Liu X, Cui X, Zhang X, Liu N, Yan L, Deng Y, Zhao X. NKG2D-CAR T cells eliminate senescent cells in aged mice and nonhuman primates. Sci Transl Med 2023; 15:eadd1951. [PMID: 37585504 DOI: 10.1126/scitranslmed.add1951] [Citation(s) in RCA: 28] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Accepted: 07/10/2023] [Indexed: 08/18/2023]
Abstract
Cellular senescence, characterized by stable cell cycle arrest, plays an important role in aging and age-associated pathologies. Eliminating senescent cells rejuvenates aged tissues and ameliorates age-associated diseases. Here, we identified that natural killer group 2 member D ligands (NKG2DLs) are up-regulated in senescent cells in vitro, regardless of stimuli that induced cellular senescence, and in various tissues of aged mice and nonhuman primates in vivo. Accordingly, we developed and demonstrated that chimeric antigen receptor (CAR) T cells targeting human NKG2DLs selectively and effectively diminish human cells undergoing senescence induced by oncogenic stress, replicative stress, DNA damage, or P16INK4a overexpression in vitro. Targeting senescent cells with mouse NKG2D-CAR T cells alleviated multiple aging-associated pathologies and improved physical performance in both irradiated and aged mice. Autologous T cells armed with the human NKG2D CAR effectively delete naturally occurring senescent cells in aged nonhuman primates without any observed adverse effects. Our findings establish that NKG2D-CAR T cells could serve as potent and selective senolytic agents for aging and age-associated diseases driven by senescence.
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Affiliation(s)
- Dong Yang
- Department of Targeting Therapy and Immunology and Laboratory of Animal Tumor Models, Cancer Center and State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Bin Sun
- Department of Targeting Therapy and Immunology and Laboratory of Animal Tumor Models, Cancer Center and State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Shirong Li
- Department of Targeting Therapy and Immunology and Laboratory of Animal Tumor Models, Cancer Center and State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Wenwen Wei
- Department of Targeting Therapy and Immunology and Laboratory of Animal Tumor Models, Cancer Center and State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Xiuyun Liu
- Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming,, Yunnan 650223, China
| | - Xiaoyue Cui
- Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming,, Yunnan 650223, China
| | - Xianning Zhang
- Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming,, Yunnan 650223, China
| | - Nan Liu
- Department of Targeting Therapy and Immunology and Laboratory of Animal Tumor Models, Cancer Center and State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Lanzhen Yan
- Department of Targeting Therapy and Immunology and Laboratory of Animal Tumor Models, Cancer Center and State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Yibin Deng
- Department of Urology, Masonic Cancer Center, University of Minnesota Medical School, Minneapolis, MN 55455, USA
| | - Xudong Zhao
- Department of Targeting Therapy and Immunology and Laboratory of Animal Tumor Models, Cancer Center and State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics and Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
- Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming,, Yunnan 650223, China
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Scully MA, Wilkins DE, Dang MN, Hoover EC, Aboeleneen SB, Day ES. Cancer Cell Membrane Wrapped Nanoparticles for the Delivery of a Bcl-2 Inhibitor to Triple-Negative Breast Cancer. Mol Pharm 2023; 20:3895-3913. [PMID: 37459272 PMCID: PMC10628893 DOI: 10.1021/acs.molpharmaceut.3c00009] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/08/2023]
Abstract
Overexpression of the antiapoptotic protein B-cell lymphoma 2 (Bcl-2) is correlated with poor survival outcomes in triple-negative breast cancer (TNBC), making Bcl-2 inhibition a promising strategy to treat this aggressive disease. Unfortunately, Bcl-2 inhibitors developed to date have limited clinical success against solid tumors, owing to poor bioavailability, insufficient tumor delivery, and off-target toxicity. To circumvent these problems, we loaded the Bcl-2 inhibitor ABT-737 in poly(lactic-co-glycolic acid) (PLGA) nanoparticles (NPs) that were wrapped with phospholipid membranes derived from 4T1 murine mammary cancer cells, which mimic the growth and metastasis of human TNBC. We show that the biomimetic cancer cell membrane coating enabled the NPs to preferentially target 4T1 TNBC cells over noncancerous mammary epithelial cells in vitro and significantly increased NP accumulation in orthotopic 4T1 tumors in mice after intravenous injection by over 2-fold compared to poly(ethylene glycol)-poly(lactide-co-glycolic) (PEG-PLGA) copolymer NPs. Congruently, the ABT-737 loaded, cancer cell membrane-wrapped PLGA NPs (ABT CCNPs) induced higher levels of apoptosis in TNBC cells in vitro than ABT-737 delivered freely or in PEG-PLGA NPs. When tested in a syngeneic spontaneous metastasis model, the ABT CCNPs significantly increased apoptosis (evidenced by elevated active caspase-3 and decreased Bcl-2 staining) and decreased proliferation (denoted by reduced Ki67 staining) throughout tumors compared with saline or ABT-loaded PEG-PLGA NP controls. Moreover, the ABT CCNPs did not alter animal weight or blood composition, suggesting that the specificity afforded by the TNBC cell membrane coating mitigated the off-target adverse effects typically associated with ABT-737. Despite these promising results, the low dose of ABT CCNPs administered only modestly reduced primary tumor growth and metastatic nodule formation in the lungs relative to controls. We posit that increasing the dose of ABT CCNPs, altering the treatment schedule, or encapsulating a more potent Bcl-2 inhibitor may yield more robust effects on tumor growth and metastasis. With further development, drug-loaded biomimetic NPs may safely treat solid tumors such as TNBC that are characterized by Bcl-2 overexpression.
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Affiliation(s)
- Mackenzie A Scully
- Department of Biomedical Engineering, University of Delaware, Newark, Delaware 19713, United States
| | - Dana E Wilkins
- Department of Biomedical Engineering, University of Delaware, Newark, Delaware 19713, United States
| | - Megan N Dang
- Department of Biomedical Engineering, University of Delaware, Newark, Delaware 19713, United States
| | - Elise C Hoover
- Department of Biomedical Engineering, University of Delaware, Newark, Delaware 19713, United States
| | - Sara B Aboeleneen
- Department of Biomedical Engineering, University of Delaware, Newark, Delaware 19713, United States
| | - Emily S Day
- Department of Biomedical Engineering, University of Delaware, Newark, Delaware 19713, United States
- Department of Materials Science and Engineering, University of Delaware, Newark, Delaware 19716, United States
- Helen F. Graham Cancer Center and Research Institute, Newark, Delaware 19713, United States
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Demin S, Peschiulli A, Velter AI, Vos A, De Boeck B, Miller B, Rombouts FJR, Reuillon T, Lento W, Blanco MD, Jouffroy M, Steyvers H, Bekkers M, Altrocchi C, Pietrak B, Koo SJ, Szewczuk L, Attar R, Philippar U. Macrocyclic Carbon-Linked Pyrazoles As Novel Inhibitors of MCL-1. ACS Med Chem Lett 2023; 14:955-961. [PMID: 37465311 PMCID: PMC10351060 DOI: 10.1021/acsmedchemlett.3c00141] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Accepted: 06/26/2023] [Indexed: 07/20/2023] Open
Abstract
Myeloid cell leukemia-1 (MCL-1) is a member of the antiapoptotic BCL-2 proteins family and a key regulator of mitochondrial homeostasis. Overexpression of MCL-1 is found in many cancer cells and contributes to tumor progression, which makes it an attractive therapeutic target. Pursuing our previous study of macrocyclic indoles for the inhibition of MCL-1, we report herein the impact of both pyrazole and indole isomerism on the potency and overall properties of this family of compounds. We demonstrated that the incorporation of a fluorine atom on the naphthalene moiety was a necessary step to improve cellular potency and that, combined with the introduction of various side chains on the pyrazole, it enhanced solubility significantly. This exploration culminated in the discovery of compounds (Ra)-10 and (Ra)-15, possessing remarkable cellular potency and properties.
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Affiliation(s)
- Samuël Demin
- Janssen
Research & Development, Janssen Pharmaceutica
N.V., Turnhoutseweg 30, Beerse B-2340, Belgium
| | - Aldo Peschiulli
- Janssen
Research & Development, Janssen Pharmaceutica
N.V., Turnhoutseweg 30, Beerse B-2340, Belgium
| | - Adriana I. Velter
- Janssen
Research & Development, Janssen Pharmaceutica
N.V., Turnhoutseweg 30, Beerse B-2340, Belgium
| | - Ann Vos
- Janssen
Research & Development, Janssen Pharmaceutica
N.V., Turnhoutseweg 30, Beerse B-2340, Belgium
| | - Benoît De Boeck
- Janssen
Research & Development, Janssen Pharmaceutica
N.V., Turnhoutseweg 30, Beerse B-2340, Belgium
| | - Bradley Miller
- Janssen
Research & Development LLC, 1400 McKean Road (Welsh Road), Spring House, Pennsylvania 19477, United States
| | - Frederik J. R. Rombouts
- Janssen
Research & Development, Janssen Pharmaceutica
N.V., Turnhoutseweg 30, Beerse B-2340, Belgium
| | - Tristan Reuillon
- Janssen
Research & Development, Janssen Pharmaceutica
N.V., Turnhoutseweg 30, Beerse B-2340, Belgium
| | - William Lento
- Janssen
Research & Development LLC, 1400 McKean Road (Welsh Road), Spring House, Pennsylvania 19477, United States
| | - Maria Dominguez Blanco
- Janssen
Research & Development, Janssen Pharmaceutica
N.V., Turnhoutseweg 30, Beerse B-2340, Belgium
| | - Matthieu Jouffroy
- Chemical
Process R&D, Discovery Process Research, Janssen Pharmaceutica N.V., Beerse B-2340, Belgium
| | - Helena Steyvers
- Janssen
Research & Development, Janssen Pharmaceutica
N.V., Turnhoutseweg 30, Beerse B-2340, Belgium
| | - Mariette Bekkers
- Janssen
Research & Development, Janssen Pharmaceutica
N.V., Turnhoutseweg 30, Beerse B-2340, Belgium
| | - Cristina Altrocchi
- Janssen
Research & Development, Janssen Pharmaceutica
N.V., Turnhoutseweg 30, Beerse B-2340, Belgium
| | - Beth Pietrak
- Janssen
Research & Development LLC, 1400 McKean Road (Welsh Road), Spring House, Pennsylvania 19477, United States
| | - Seong Joo Koo
- Janssen
Research & Development, Janssen Pharmaceutica
N.V., Turnhoutseweg 30, Beerse B-2340, Belgium
| | - Lawrence Szewczuk
- Janssen
Research & Development LLC, 1400 McKean Road (Welsh Road), Spring House, Pennsylvania 19477, United States
| | - Ricardo Attar
- Janssen
Research & Development LLC, 1400 McKean Road (Welsh Road), Spring House, Pennsylvania 19477, United States
| | - Ulrike Philippar
- Janssen
Research & Development, Janssen Pharmaceutica
N.V., Turnhoutseweg 30, Beerse B-2340, Belgium
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20
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Martin MP, Endicott JA, Noble MEM, Tatum NJ. Crystallographic fragment screening in academic cancer drug discovery. Methods Enzymol 2023; 690:211-234. [PMID: 37858530 DOI: 10.1016/bs.mie.2023.06.021] [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] [Indexed: 10/21/2023]
Abstract
Fragment-based drug discovery (FBDD) has brought several drugs to the clinic, notably to target proteins once considered to be challenging, or even undruggable. Screening in FBDD relies upon observing and/or measuring weak (millimolar-scale) binding events using biophysical techniques or crystallographic fragment screening. This latter structural approach provides no information about binding affinity but can reveal binding mode and atomic detail on protein-fragment interactions to accelerate hit-to-lead development. In recent years, high-throughput platforms have been developed at synchrotron facilities to screen thousands of fragment-soaked crystals. However, using accessible manual techniques it is possible to run informative, smaller-scale screens within an academic lab setting. This chapter describes general protocols for home laboratory-scale fragment screening, from fragment soaking through to structure solution and, where appropriate, signposts to background, protocols or alternatives elsewhere.
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Affiliation(s)
- Mathew P Martin
- Cancer Research Horizons Therapeutic Innovation, Newcastle Drug Discovery Unit, Newcastle University Centre for Cancer, Translation and Clinical Research Institute, Newcastle University, Paul O'Gorman Building, Framlington Place, Newcastle upon Tyne, United Kingdom
| | - Jane A Endicott
- Cancer Research Horizons Therapeutic Innovation, Newcastle Drug Discovery Unit, Newcastle University Centre for Cancer, Translation and Clinical Research Institute, Newcastle University, Paul O'Gorman Building, Framlington Place, Newcastle upon Tyne, United Kingdom
| | - Martin E M Noble
- Cancer Research Horizons Therapeutic Innovation, Newcastle Drug Discovery Unit, Newcastle University Centre for Cancer, Translation and Clinical Research Institute, Newcastle University, Paul O'Gorman Building, Framlington Place, Newcastle upon Tyne, United Kingdom
| | - Natalie J Tatum
- Cancer Research Horizons Therapeutic Innovation, Newcastle Drug Discovery Unit, Newcastle University Centre for Cancer, Translation and Clinical Research Institute, Newcastle University, Paul O'Gorman Building, Framlington Place, Newcastle upon Tyne, United Kingdom.
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21
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Haasler L, von Montfort C, Kondadi AK, Golombek M, Ebbert L, Wenzel CK, Stahl W, Reichert AS, Brenneisen P. Involvement of necroptosis in the selective toxicity of the natural compound (±) gossypol on squamous skin cancer cells in vitro. Arch Toxicol 2023; 97:1997-2014. [PMID: 37210688 PMCID: PMC10256661 DOI: 10.1007/s00204-023-03516-1] [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: 12/21/2022] [Accepted: 05/08/2023] [Indexed: 05/22/2023]
Abstract
Cutaneous basal and squamous cell carcinoma reflect the first and second most common type of non-melanoma skin cancer, respectively. Especially cutaneous squamous cell carcinoma has the tendency to metastasize, finally resulting in a rather poor prognosis. Therapeutic options comprise surgery, radiation therapy, and a systemic or targeted chemotherapy. There are some good treatment results, but overall, the response rate of newly developed drugs is still modest. Drug repurposing represents an alternative approach where already available and clinically approved substances are used, which originally intended for other clinical benefits. In this context, we tested the effect of the naturally occurring polyphenolic aldehyde (±) gossypol with concentrations between 1 and 5 µM on the invasive squamous cell carcinoma cell line SCL-1 and normal human epidermal keratinocytes. Gossypol treatment up to 96 h resulted in a selective cytotoxicity of SCL-1 cells (IC50: 1.7 µM, 96 h) compared with normal keratinocytes (IC50: ≥ 5.4 µM, 96 h) which is mediated by mitochondrial dysfunction and finally leading to necroptotic cell death. Taken together, gossypol shows a high potential as an alternative anticancer drug for the treatment of cutaneous squamous cell carcinoma.
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Affiliation(s)
- Lisa Haasler
- Institute of Biochemistry and Molecular Biology I, Medical Faculty, Heinrich-Heine University Düsseldorf, 40225, Düsseldorf, Germany
| | - Claudia von Montfort
- Institute of Biochemistry and Molecular Biology I, Medical Faculty, Heinrich-Heine University Düsseldorf, 40225, Düsseldorf, Germany
| | - Arun Kumar Kondadi
- Institute of Biochemistry and Molecular Biology I, Medical Faculty, Heinrich-Heine University Düsseldorf, 40225, Düsseldorf, Germany
| | - Mathias Golombek
- Institute of Biochemistry and Molecular Biology I, Medical Faculty, Heinrich-Heine University Düsseldorf, 40225, Düsseldorf, Germany
| | - Lara Ebbert
- Institute of Biochemistry and Molecular Biology I, Medical Faculty, Heinrich-Heine University Düsseldorf, 40225, Düsseldorf, Germany
| | - Chantal-Kristin Wenzel
- Institute of Biochemistry and Molecular Biology I, Medical Faculty, Heinrich-Heine University Düsseldorf, 40225, Düsseldorf, Germany
| | - Wilhelm Stahl
- Institute of Biochemistry and Molecular Biology I, Medical Faculty, Heinrich-Heine University Düsseldorf, 40225, Düsseldorf, Germany
| | - Andreas S Reichert
- Institute of Biochemistry and Molecular Biology I, Medical Faculty, Heinrich-Heine University Düsseldorf, 40225, Düsseldorf, Germany
| | - Peter Brenneisen
- Institute of Biochemistry and Molecular Biology I, Medical Faculty, Heinrich-Heine University Düsseldorf, 40225, Düsseldorf, Germany.
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22
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Lin Y, Zhao Y, Chen M, Li Z, Liu Q, Chen J, Ding Y, Ding C, Ding Y, Qi C, Zheng L, Li J, Zhang R, Zhou J, Wang L, Zhang QQ. CYD0281, a Bcl-2 BH4 domain antagonist, inhibits tumor angiogenesis and breast cancer tumor growth. BMC Cancer 2023; 23:479. [PMID: 37237269 DOI: 10.1186/s12885-023-10974-4] [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: 11/24/2022] [Accepted: 05/16/2023] [Indexed: 05/28/2023] Open
Abstract
BACKGROUND B-cell lymphoma 2 (Bcl-2) family proteins are key regulators of apoptosis, which possess four conserved Bcl-2 homologies (BH) domains. Among the BH domains, the BH3 domain is considered as a potent 'death domain' while the BH4 domain is required for anti-apoptotic activity. Bcl-2 can be converted to a pro-apoptotic molecule through the removal or mutation of the BH4 domain. Bcl-2 is considered as an inducer of angiogenesis, which can promote tumor vascular network formation and further afford nutrients and oxygen to promote tumor progression. However, whether disrupting the function of the BH4 domain to convert Bcl-2 into a pro-apoptotic molecule could make Bcl-2 possess the potential for anti-angiogenic therapy remains to be defined. METHODS CYD0281 was designed and synthesized according to the lead structure of BDA-366, and its function on inducing a conformational change of Bcl-2 was further evaluated via immunoprecipitation (IP) and immunofluorescence (IF) assays. Moreover, the function of CYD0281 on apoptosis of endothelial cells was analyzed via cell viability, flow cytometry, and western blotting assays. Additionally, the role of CYD0281 on angiogenesis in vitro was determined via endothelial cell migration and tube formation assays and rat aortic ring assay. Chick embryo chorioallantoic membrane (CAM) and yolk sac membrane (YSM) models, breast cancer cell xenograft tumor on CAM and in mouse models as well as the Matrigel plug angiogenesis assay were used to explore the effects of CYD0281 on angiogenesis in vivo. RESULTS We identified a novel potent small-molecule Bcl-2-BH4 domain antagonist, CYD0281, which exhibited significant anti-angiogenic effects both in vitro and in vivo, and further inhibited breast cancer tumor growth. CYD0281 was found to induce conformational changes in Bcl-2 through the exposure of the BH3 domain and convert Bcl-2 from an anti-apoptotic molecule into a cell death inducer, thereby resulting in the apoptosis of vascular endothelial cells. CONCLUSIONS This study has revealed CYD0281 as a novel Bcl-2-BH4 antagonist that induces conformational changes of Bcl-2 to convert to a pro-apoptotic molecule. Our findings indicate that CYD0281 plays a crucial role in anti-angiogenesis and may be further developed as a potential anti-tumor drug candidate for breast cancer. This work also provides a potential anti-angiogenic strategy for breast cancer treatment.
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Affiliation(s)
- Yihua Lin
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Yiling Zhao
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Minggui Chen
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Zishuo Li
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Qiao Liu
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Jian Chen
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Yi Ding
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Chunyong Ding
- Chemical Biology Program, Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, TX, 77555, USA
| | - Ye Ding
- Chemical Biology Program, Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, TX, 77555, USA
| | - Cuiling Qi
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Lingyun Zheng
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Jiangchao Li
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Rongxin Zhang
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Jia Zhou
- Chemical Biology Program, Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, TX, 77555, USA.
| | - Lijing Wang
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
| | - Qian-Qian Zhang
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
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23
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Du PY, Gandhi A, Bawa M, Gromala J. The ageing immune system as a potential target of senolytics. OXFORD OPEN IMMUNOLOGY 2023; 4:iqad004. [PMID: 37255929 PMCID: PMC10191675 DOI: 10.1093/oxfimm/iqad004] [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: 01/29/2023] [Revised: 04/26/2023] [Accepted: 04/27/2023] [Indexed: 06/01/2023] Open
Abstract
Ageing leads to a sharp decline in immune function, precipitating the development of inflammatory conditions. The combined impact of these processes renders older individuals at greater risk of inflammatory and immune-related diseases, such as cancer and infections. This is compounded by reduced efficacy in interventions aiming to limit disease impact, for instance vaccines being less effective in elderly populations. This state of diminished cellular function is driven by cellular senescence, a process where cells undergo stable growth arrest following exposure to stressful stimuli, and the associated pro-inflammatory secretory phenotype. Removing harmful senescent cells (SnCs) using senolytic therapies is an emerging field holding promise for patient benefit. Current senolytics have been developed either to specifically target SnCs, or repurposed from cancer therapies or vaccination protocols. Herein, we discuss recent developments in senolytic therapies, focusing on how senolytics could be used to combat the age-associated diminution of the immune system. In particular, exploring how these drugs may be used to promote immunity in the elderly, and highlighting recent trials of senolytics in idiopathic pulmonary fibrosis and diabetic kidney disease. Novel immunotherapeutic approaches including chimeric antigen receptor T-cells or monoclonal antibodies targeting SnCs are being investigated to combat the shortcomings of current senolytics and their adverse effects. The flexible nature of senolytic treatment modalities and their efficacy in safely removing harmful SnCs could have great potential to promote healthy immune function in ageing populations.
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Affiliation(s)
- Peter Yandi Du
- Correspondence address. Faculty of Medicine, Imperial College London, Level 2, Faculty Building, South Kensington Campus, London SW7 2AZ, UK. Tel: +44 (0)20 3313 8213, E-mail:
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24
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Sarkar A, Paul A, Banerjee T, Maji A, Saha S, Bishayee A, Maity TK. Therapeutic advancements in targeting BCL-2 family proteins by epigenetic regulators, natural, and synthetic agents in cancer. Eur J Pharmacol 2023; 944:175588. [PMID: 36791843 DOI: 10.1016/j.ejphar.2023.175588] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Revised: 01/21/2023] [Accepted: 02/08/2023] [Indexed: 02/17/2023]
Abstract
Cancer is amongst the deadliest and most disruptive disorders, having a much higher death rate than other diseases worldwide. Human cancer rates continue to rise, thereby posing the most significant concerns for medical health professionals. In the last two decades, researchers have gone past several milestones in tackling cancer while gaining insight into the role of apoptosis in cancer or targeting various biomarker tools for prognosis and diagnosis. Apoptosis which is still a topic full of complexities, can be controlled considerably by B-cell lymphoma 2 (BCL-2) and its family members. Therefore, targeting proteins of this family to prevent tumorigenesis, is essential to focus on the pharmacological features of the anti-apoptotic and pro-apoptotic members, which will help to develop and manage this disorder. This review deals with the advancements of various epigenetic regulators to target BCL-2 family proteins, including the mechanism of several microRNAs (miRNAs) and long non-coding RNAs (lncRNAs). Similarly, a rise in natural and synthetic molecules' research over the last two decades has allowed us to acquire insights into understanding and managing the transcriptional alterations that have led to apoptosis and treating various neoplastic diseases. Furthermore, several inhibitors targeting anti-apoptotic proteins and inducers or activators targeting pro-apoptotic proteins in preclinical and clinical stages have been summarized. Overall, agonistic and antagonistic mechanisms of BCL-2 family proteins conciliated by epigenetic regulators, natural and synthetic agents have proven to be an excellent choice in developing cancer therapeutics.
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Affiliation(s)
- Arnab Sarkar
- Department of Pharmaceutical Technology, Jadavpur University, West Bengal, Kolkata, 700032, India.
| | - Abhik Paul
- Department of Pharmaceutical Technology, Jadavpur University, West Bengal, Kolkata, 700032, India.
| | - Tanmoy Banerjee
- Department of Pharmaceutical Technology, Jadavpur University, West Bengal, Kolkata, 700032, India.
| | - Avik Maji
- Department of Pharmaceutical Technology, Jadavpur University, West Bengal, Kolkata, 700032, India.
| | - Sanjukta Saha
- Department of Pharmaceutical Technology, Jadavpur University, West Bengal, Kolkata, 700032, India.
| | - Anupam Bishayee
- College of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, FL, 34211, USA.
| | - Tapan Kumar Maity
- Department of Pharmaceutical Technology, Jadavpur University, West Bengal, Kolkata, 700032, India.
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25
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Zhang Y, Gao D, Yuan Y, Zheng R, Sun M, Jia S, Liu J. Cycloastragenol: A Novel Senolytic Agent That Induces Senescent Cell Apoptosis and Restores Physical Function in TBI-Aged Mice. Int J Mol Sci 2023; 24:ijms24076554. [PMID: 37047529 PMCID: PMC10095196 DOI: 10.3390/ijms24076554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 03/26/2023] [Accepted: 03/29/2023] [Indexed: 04/03/2023] Open
Abstract
Accumulating evidence indicates that the increased burden of senescent cells (SCs) in aged organisms plays an important role in many age-associated diseases. The pharmacological elimination of SCs with “senolytics” has been emerging as a new therapy for age-related diseases and extending the healthy lifespan. In the present study, we identified that cycloastragenol (CAG), a secondary metabolite isolated from Astragalus membrananceus, delays age-related symptoms in mice through its senolytic activity against SCs. By screening a series of compounds, we found that CAG selectively kills SCs by inducing SCs apoptosis and that this process is associated with the inhibition of Bcl-2 antiapoptotic family proteins and the PI3K/AKT/mTOR pathway. In addition, CAG treatment also suppressed the development of the senescence-associated secretory phenotype (SASP) in SCs, thereby inhibiting cell migration mediated by the SASP. Furthermore, the administration of CAG for 2 weeks to mice with irradiation-induced aging alleviated the burden of SCs and improved the animals’ age-related physical dysfunction. Overall, our studies demonstrate that CAG is a novel senolytic agent with in vivo activity that has the potential to be used in the treatment of age-related diseases.
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Affiliation(s)
- Yanghuan Zhang
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming 650500, China
| | - Dongxiao Gao
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming 650500, China
| | - Yang Yuan
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming 650500, China
| | - Runzi Zheng
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming 650500, China
| | - Manting Sun
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming 650500, China
| | - Shuting Jia
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming 650500, China
| | - Jing Liu
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming 650500, China
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Broni E, Ashley C, Adams J, Manu H, Aikins E, Okom M, Miller WA, Wilson MD, Kwofie SK. Cheminformatics-Based Study Identifies Potential Ebola VP40 Inhibitors. Int J Mol Sci 2023; 24:ijms24076298. [PMID: 37047270 PMCID: PMC10094735 DOI: 10.3390/ijms24076298] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/21/2023] [Accepted: 03/24/2023] [Indexed: 03/30/2023] Open
Abstract
The Ebola virus (EBOV) is still highly infectious and causes severe hemorrhagic fevers in primates. However, there are no regulatorily approved drugs against the Ebola virus disease (EVD). The highly virulent and lethal nature of EVD highlights the need to develop therapeutic agents. Viral protein 40 kDa (VP40), the most abundantly expressed protein during infection, coordinates the assembly, budding, and release of viral particles into the host cell. It also regulates viral transcription and RNA replication. This study sought to identify small molecules that could potentially inhibit the VP40 protein by targeting the N-terminal domain using an in silico approach. The statistical quality of AutoDock Vina’s capacity to discriminate between inhibitors and decoys was determined, and an area under the curve of the receiver operating characteristic (AUC-ROC) curve of 0.791 was obtained. A total of 29,519 natural-product-derived compounds from Chinese and African sources as well as 2738 approved drugs were successfully screened against VP40. Using a threshold of −8 kcal/mol, a total of 7, 11, 163, and 30 compounds from the AfroDb, Northern African Natural Products Database (NANPDB), traditional Chinese medicine (TCM), and approved drugs libraries, respectively, were obtained after molecular docking. A biological activity prediction of the lead compounds suggested their potential antiviral properties. In addition, random-forest- and support-vector-machine-based algorithms predicted the compounds to be anti-Ebola with IC50 values in the micromolar range (less than 25 μM). A total of 42 natural-product-derived compounds were identified as potential EBOV inhibitors with desirable ADMET profiles, comprising 1, 2, and 39 compounds from NANPDB (2-hydroxyseneganolide), AfroDb (ZINC000034518176 and ZINC000095485942), and TCM, respectively. A total of 23 approved drugs, including doramectin, glecaprevir, velpatasvir, ledipasvir, avermectin B1, nafarelin acetate, danoprevir, eltrombopag, lanatoside C, and glycyrrhizin, among others, were also predicted to have potential anti-EBOV activity and can be further explored so that they may be repurposed for EVD treatment. Molecular dynamics simulations coupled with molecular mechanics Poisson–Boltzmann surface area calculations corroborated the stability and good binding affinities of the complexes (−46.97 to −118.9 kJ/mol). The potential lead compounds may have the potential to be developed as anti-EBOV drugs after experimental testing.
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Affiliation(s)
- Emmanuel Broni
- Department of Biomedical Engineering, School of Engineering Sciences, College of Basic and Applied Sciences, University of Ghana, Legon, Accra LG 77, Ghana
- Department of Parasitology, Noguchi Memorial Institute for Medical Research (NMIMR), College of Health Sciences (CHS), University of Ghana, Legon, Accra LG 581, Ghana
- Department of Medicine, Loyola University Medical Center, Loyola University Chicago, Maywood, IL 60153, USA
| | - Carolyn Ashley
- Department of Medicine, Loyola University Medical Center, Loyola University Chicago, Maywood, IL 60153, USA
| | - Joseph Adams
- Department of Parasitology, Noguchi Memorial Institute for Medical Research (NMIMR), College of Health Sciences (CHS), University of Ghana, Legon, Accra LG 581, Ghana
| | - Hammond Manu
- Department of Biomedical Engineering, School of Engineering Sciences, College of Basic and Applied Sciences, University of Ghana, Legon, Accra LG 77, Ghana
| | - Ebenezer Aikins
- Department of Biomedical Engineering, School of Engineering Sciences, College of Basic and Applied Sciences, University of Ghana, Legon, Accra LG 77, Ghana
| | - Mary Okom
- Department of Biomedical Engineering, School of Engineering Sciences, College of Basic and Applied Sciences, University of Ghana, Legon, Accra LG 77, Ghana
| | - Whelton A. Miller
- Department of Medicine, Loyola University Medical Center, Loyola University Chicago, Maywood, IL 60153, USA
- Department of Molecular Pharmacology and Neuroscience, Loyola University Medical Center, Maywood, IL 60153, USA
- Department of Chemical and Biomolecular Engineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA 19104, USA
- Correspondence: (W.A.M.III); (S.K.K.); Tel.: +1(708)-2168451 (W.A.M.III); +23-320-3797922 (S.K.K.)
| | - Michael D. Wilson
- Department of Parasitology, Noguchi Memorial Institute for Medical Research (NMIMR), College of Health Sciences (CHS), University of Ghana, Legon, Accra LG 581, Ghana
- Department of Medicine, Loyola University Medical Center, Loyola University Chicago, Maywood, IL 60153, USA
| | - Samuel K. Kwofie
- Department of Biomedical Engineering, School of Engineering Sciences, College of Basic and Applied Sciences, University of Ghana, Legon, Accra LG 77, Ghana
- Department of Biochemistry, Cell and Molecular Biology, West African Centre for Cell Biology of Infectious Pathogens, College of Basic and Applied Sciences, University of Ghana, Accra LG 54, Ghana
- Correspondence: (W.A.M.III); (S.K.K.); Tel.: +1(708)-2168451 (W.A.M.III); +23-320-3797922 (S.K.K.)
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27
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Khalil R, Diab-Assaf M, Lemaitre JM. Emerging Therapeutic Approaches to Target the Dark Side of Senescent Cells: New Hopes to Treat Aging as a Disease and to Delay Age-Related Pathologies. Cells 2023; 12:915. [PMID: 36980256 PMCID: PMC10047596 DOI: 10.3390/cells12060915] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Revised: 03/05/2023] [Accepted: 03/07/2023] [Indexed: 03/19/2023] Open
Abstract
Life expectancy has drastically increased over the last few decades worldwide, with important social and medical burdens and costs. To stay healthy longer and to avoid chronic disease have become essential issues. Organismal aging is a complex process that involves progressive destruction of tissue functionality and loss of regenerative capacity. One of the most important aging hallmarks is cellular senescence, which is a stable state of cell cycle arrest that occurs in response to cumulated cell stresses and damages. Cellular senescence is a physiological mechanism that has both beneficial and detrimental consequences. Senescence limits tumorigenesis, lifelong tissue damage, and is involved in different biological processes, such as morphogenesis, regeneration, and wound healing. However, in the elderly, senescent cells increasingly accumulate in several organs and secrete a combination of senescence associated factors, contributing to the development of various age-related diseases, including cancer. Several studies have revealed major molecular pathways controlling the senescent phenotype, as well as the ones regulating its interactions with the immune system. Attenuating the senescence-associated secretory phenotype (SASP) or eliminating senescent cells have emerged as attractive strategies aiming to reverse or delay the onset of aging diseases. Here, we review current senotherapies designed to suppress the deleterious effect of SASP by senomorphics or to selectively kill senescent cells by "senolytics" or by immune system-based approaches. These recent investigations are promising as radical new controls of aging pathologies and associated multimorbidities.
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Affiliation(s)
- Roula Khalil
- IRMB, University Montpellier, INSERM, 34090 Montpellier, France;
| | - Mona Diab-Assaf
- Fanar Faculty of Sciences II, Lebanese University, Beirut P.O. Box 90656, Lebanon;
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Doghish AS, Abulsoud AI, Elshaer SS, Abdelmaksoud NM, Zaki MB, El-Mahdy HA, Ismail A, Fathi D, Elsakka EGE. miRNAs as cornerstones in chronic lymphocytic leukemia pathogenesis and therapeutic resistance- An emphasis on the interaction of signaling pathways. Pathol Res Pract 2023; 243:154363. [PMID: 36764011 DOI: 10.1016/j.prp.2023.154363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 02/01/2023] [Accepted: 02/04/2023] [Indexed: 02/10/2023]
Abstract
Chronic lymphocytic leukemia (CLL) accounts for the vast majority of cases of leukemia. Patients of advanced age are more likely to develop the condition, which has a highly varied clinical course. Consideration of illness features and preceding treatment sequence, as well as patient preferences and comorbidities, is necessary for selecting the appropriate treatment for the appropriate patient. Therefore, there is an urgent need for novel biomarkers with high sensitivity and specificity to detect CLL early, monitor CLL patients, select the treatment responders, and reduce ineffective treatment, unwanted side effects, and unnecessary expenses. In both homeostasis and illness, microRNAs (miRNAs/miRs) play a vital role as master regulators of gene expression and, by extension, protein expression. MiRNAs typically reduce the stability of mRNAs, including those encoding genes involved in tumorigenesis processes as cell cycle regulation, inflammation, stress response, angiogenesis, differentiation, apoptosis, and invasion. Due to their unique properties, miRNAs are rapidly being exploited as accurate biomarkers for illness detection, and medicines based on miRNA targets are finding widespread application in clinical practice. Accordingly, the current review serves as a quick primer on CLL and the biogenesis of miRNAs. In addition to providing a brief overview of the miRNAs whose function in the progression of CLL has been established by recent in vitro or in vivo research through articulating the influence of these miRNAs on a wide variety of cellular functions, including increased proliferative potential; support for angiogenesis; cell cycle aberration; evasion of apoptosis; promotion of metastasis; and reduced sensitivity to specific treatments.
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Affiliation(s)
- Ahmed S Doghish
- Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt; Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City, 11231, Cairo, Egypt.
| | - Ahmed I Abulsoud
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City, 11231, Cairo, Egypt; Department of Biochemistry and Biotechnology, Faculty of Pharmacy, Heliopolis University, Cairo 11785, Egypt
| | - Shereen Saeid Elshaer
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City, 11231, Cairo, Egypt; Department of Biochemistry and Biotechnology, Faculty of Pharmacy, Heliopolis University, Cairo 11785, Egypt
| | - Nourhan M Abdelmaksoud
- Department of Biochemistry and Biotechnology, Faculty of Pharmacy, Heliopolis University, Cairo 11785, Egypt; Department of Biochemistry, Faculty of Pharmacy (Girls), Al-Azhar University, Nasr City, Cairo 11823, Egypt
| | - Mohamed Bakr Zaki
- Department of Biochemistry, Faculty of Pharmacy, University of Sadat City, Menoufia 32897, Egypt
| | - Hesham A El-Mahdy
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City, 11231, Cairo, Egypt.
| | - Ahmed Ismail
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City, 11231, Cairo, Egypt
| | - Doaa Fathi
- Department of Biochemistry and Biotechnology, Faculty of Pharmacy, Heliopolis University, Cairo 11785, Egypt
| | - Elsayed G E Elsakka
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City, 11231, Cairo, Egypt
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Xia Y, Li J, Wang L, Xie Y, Zhang L, Han X, Tan W, Liu Y. Engineering Hierarchical Recognition-Mediated Senolytics for Reliable Regulation of Cellular Senescence and Anti-Atherosclerosis Therapy. Angew Chem Int Ed Engl 2023; 62:e202214169. [PMID: 36445796 DOI: 10.1002/anie.202214169] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 11/25/2022] [Accepted: 11/28/2022] [Indexed: 11/30/2022]
Abstract
Precise regulation of vascular senescence represents a far-reaching strategy to combat age-related diseases. However, the high heterogeneity of senescence, alongside the lack of targeting and potent senolytics, makes it very challenging. Here we report a molecular design to tackle this challenge through multidimensional, hierarchical recognition of three hallmarks commonly shared among senescence, namely, aptamer-mediated recognition of a membrane marker for active cell targeting, a self-immolative linker responsive to lysosomal enzymes for switchable drug release, and a compound against antiapoptotic signaling for clearance. Such senolytic can target and trigger severe cell apoptosis in broad-spectrum senescent endothelial cells, and importantly, distinguish them from the quiescent state. Its potential for in vivo treatment of vascular diseases is successfully illustrated in a model of atherosclerosis, with effective suppression of the plaque progression yet negligible side effects.
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Affiliation(s)
- Yinghao Xia
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, China
| | - Jili Li
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, China
| | - Linlin Wang
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, China
| | - Yuqi Xie
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, China
| | - Lili Zhang
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, China
| | - Xiaoyan Han
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, China
| | - Weihong Tan
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, China.,The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, China.,Institute of Molecular Medicine (IMM), Renji Hospital, Shanghai Jiao Tong University School of Medicine, and College of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Yanlan Liu
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, Hunan 410082, China
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Obesity triggers tumoral senescence and renders poorly immunogenic malignancies amenable to senolysis. Proc Natl Acad Sci U S A 2023; 120:e2209973120. [PMID: 36574648 PMCID: PMC9910606 DOI: 10.1073/pnas.2209973120] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Obesity is a major risk factor for cancer. Conventional thought suggests that elevated adiposity predisposes to heightened inflammatory stress and potentiates tumor growth, yet underlying mechanisms remain ill-defined. Here, we show that tumors from patients with a body mass index >35 carry a high burden of senescent cells. In mouse syngeneic tumor models, we correlated a pronounced accretion of senescent cancer cells with poorly immunogenic tumors when mice were subjected to diet-induced obesity (DIO). Highly immunogenic tumors showed lesser senescence burden suggesting immune-mediated elimination of senescent cancer cells, likely targeted as a consequence of their senescence-associated secretory phenotype. Treatment with the senolytic BH3 mimetic small molecule inhibitor ABT-263 selectively stalled tumor growth in mice with DIO to rates comparable to regular diet-fed mice. Thus, consideration of body adiposity in the selection of cancer therapy may be a critical determinant for disease outcome in poorly immunogenic malignancies.
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Reddy CN, Sankararamakrishnan R. Molecular dynamics studies of CED-4/CED-9/EGL-1 ternary complex reveal CED-4 release mechanism in the linear apoptotic pathway of Caenorhabditis elegans. Proteins 2022; 91:679-693. [PMID: 36541866 DOI: 10.1002/prot.26457] [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: 07/06/2022] [Revised: 11/14/2022] [Accepted: 12/08/2022] [Indexed: 12/24/2022]
Abstract
Many steps in programmed cell death are evolutionarily conserved across different species. The Caenorhabditis elegans proteins CED-9, CED-4 and EGL-1 involved in apoptosis are respectively homologous to anti-apoptotic Bcl-2 proteins, Apaf-1 and the "BH3-only" pro-apototic proteins in mammals. In the linear apoptotic pathway of C. elegans, EGL-1 binding to CED-9 leads to the release of CED-4 from CED-9/CED-4 complex. The molecular events leading to this process are not clearly elucidated. While the structures of CED-9 apo, CED-9/EGL-1 and CED-9/CED-4 complexes are known, the CED-9/CED-4/EGL-1 ternary complex structure is not yet determined. In this work, we modeled this ternary complex and performed molecular dynamics simulations of six different systems involving CED-9. CED-9 displays differential dynamics depending upon whether it is bound to CED-4 and/or EGL-1. CED-4 exists as an asymmetric dimer (CED4a and CED4b) in CED-9/CED-4 complex. CED-4a exhibits higher conformational flexibility when simulated without CED-4b. Principal Component Analysis revealed that the direction of CED-4a's winged-helix domain motion differs in the ternary complex. Upon EGL-1 binding, majority of non-covalent interactions involving CARD domain in the CED-4a-CED-9 interface have weakened and only half of the contacts found in the crystal structure between α/β domain of CED4a and CED-9 are found to be stable. Additional stable contacts in the ternary complex and differential dynamics indicate that winged-helix domain may play a key role in CED-4a's dissociation from CED-9. This study has provided a molecular level understanding of potential intermediate states that are likely to occur when CED-4a is released from CED-9.
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Affiliation(s)
- C Narendra Reddy
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur, India
| | - Ramasubbu Sankararamakrishnan
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur, India.,Mehta Family Centre for Engineering in Medicine, Indian Institute of Technology Kanpur, Kanpur, India
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Venetoclax with decitabine versus decitabine monotherapy in elderly acute myeloid leukemia: a propensity score-matched analysis. Blood Cancer J 2022; 12:169. [PMID: 36529771 PMCID: PMC9760636 DOI: 10.1038/s41408-022-00770-x] [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: 09/16/2022] [Revised: 12/07/2022] [Accepted: 12/07/2022] [Indexed: 12/23/2022] Open
Abstract
Venetoclax (VEN) combined with azacitidine (AZA) or decitabine (DEC) has been approved for older adults with acute myeloid leukemia (AML) unfit for intensive chemotherapy based on the pivotal VIALE-A trial. However, this trial only compared AZA + VEN with AZA monotherapy. Therefore, we compared the outcomes of consecutive older adults (65 years or older) with newly diagnosed AML who received DEC (n = 230) or DEC + VEN (n = 74) after propensity score matching to construct a one-to-one matched cohort by the nearest neighbor algorithm. The median overall survival was longer in the DEC + VEN group than in the DEC group (13.4 months vs. 8.3 months, p = 0.01). The median event-free survivals were 8.6 and 5.8 months in the DEC + VEN and DEC groups, respectively (p = 0.02). The response rate (complete response, complete response with incomplete hematologic recovery, and morphologic leukemia-free state) was significantly higher in the DEC + VEN group than in the DEC group (70.3% vs. 24.3%, p < 0.01). The 30-day (2.7% vs. 9.5%, p = 0.17) and 60-day (9.5% vs. 18.9%, p = 0.16) mortality rates did not differ between the two groups, nor did the median hospitalization and transfusion rates (hospitalization: 23 days vs. 21 days, p = 0.20; red blood cells: 3.2 units/month vs. 3.5 units/month, p = 0.73; platelets: 2.7 units/month vs. 2.3 units/months, p = 0.48). Of those who received DEC + VEN and became leukemia-free, 29% underwent allogeneic stem cell transplantation and had excellent survival outcomes (one-year survival: 79.4%; one-year non-relapse mortality: 13.3%). This study is the first to provide real-world evidence that DEC + VEN has superior outcomes to DEC monotherapy.
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Orelabrutinib and venetoclax synergistically induce cell death in double-hit lymphoma by interfering with the crosstalk between the PI3K/AKT and p38/MAPK signaling. J Cancer Res Clin Oncol 2022:10.1007/s00432-022-04473-5. [PMID: 36471019 DOI: 10.1007/s00432-022-04473-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 11/08/2022] [Indexed: 12/12/2022]
Abstract
PURPOSE Double-hit lymphoma (DHL) is a rare and aggressive mature B-cell malignancy with concurrent MYC and BCL2 rearrangements. When DHL becomes relapsed or refractory, it becomes resistant to the majority of therapeutic approaches and has subpar clinical results. Therefore, innovative therapeutics for this particular patient population are urgently needed. METHODS Orelabrutinib, a new oral BTK inhibitor, combined with the Bcl-2 inhibitor venetoclax, was used to confirm the antitumor effect of DHL. Cell counting kit-8 and Annexin V-FITC/PI assays were used to examine the interaction of this combined regimen on DHL cell lines and primary lymphoma cells. RNA sequencing, EdU incorporation assay, mitochondrial membrane potential assay, and western blotting were employed to explore the molecule mechanism for the cytotoxicity of orelabrutinib with or without venetoclax against DHL cell lines. RESULTS In this study, orelabrutinib combined with venetoclax synergistically induced DHL cell death, as evidenced by the inhibition of cell proliferation, the induct of cell cycle arrest, and the promotion of cell apoptosis via the mitochondrial pathway. Orelabrutinib treatment alters genome-wide gene expression in DHL cells. The combined regimen decreases the expression of BTK and Mcl-1, potentially interfering with the activity and crosstalk of PI3K/AKT signaling and p38/MAPK signaling. In addition, the combination of orelabrutinib and venetoclax shows cytotoxic activity in primary B-lymphoma cells. CONCLUSION In summary, these findings reveal a novel therapy targeting BCR signaling and the Bcl-2 family for DHL patients with a poor prognosis.
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Benyoucef A, Haigh K, Cuddihy A, Haigh JJ. JAK/BCL2 inhibition acts synergistically with LSD1 inhibitors to selectively target ETP-ALL. Leukemia 2022; 36:2802-2816. [PMID: 36229595 PMCID: PMC9712096 DOI: 10.1038/s41375-022-01716-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 09/21/2022] [Accepted: 09/23/2022] [Indexed: 11/09/2022]
Abstract
ETP-ALL (Early T cell Progenitor Acute Lymphoblastic Leukemia) represents a high-risk subtype of T cell acute lymphocytic leukemia (T-ALL). Therapeutically, ETP-ALL patients frequently relapse after conventional chemotherapy highlighting the need for alternative therapeutic approaches. Using our ZEB2Tg ETP-ALL mouse model we previously documented the potential utility of the catalytic LSD1 inhibitor (GSK2879552) for treating mouse/human ETP-ALL. However, this approach proved to be inefficient, especially in killing human LOUCY cell ETP-ALL xenografts in vivo. Here we have revealed the novel involvement of ZEB2/LSD1 complexes in repressing the intrinsic apoptosis pathway by inhibiting the expression of several pro-apoptotic proteins such as BIM (BCL2L11) as a major driver for ETP-ALL survival. Treatment with LSD1i (particularly with the steric inhibitor SP2509) restored the expression of ZEB2/LSD1 pro-apoptotic BIM (BCL2L11) target. In combination with a JAK/STAT pathway inhibitor (JAKi, Ruxolitinib) or with a direct inhibitor of the anti-apoptotic BCL2 protein (BCL2i, ABT-199) resistance of human and mouse ETP-ALL to LSD1i was reversed. This new combination approach efficiently inhibited the growth of human and mouse ETP-ALL cells in vivo by enhancing their differentiation and triggering an apoptotic response. These results set the stage for novel combination therapies to be used in clinical trials to treat ETP-ALL patients.
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Affiliation(s)
- Aissa Benyoucef
- Department of Pharmacology and Therapeutics, Rady Faulty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada.
- CancerCare Manitoba Research Institute, Winnipeg, MB, Canada.
| | - Katharina Haigh
- Department of Pharmacology and Therapeutics, Rady Faulty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada
- CancerCare Manitoba Research Institute, Winnipeg, MB, Canada
| | - Andrew Cuddihy
- CancerCare Manitoba Research Institute, Winnipeg, MB, Canada
| | - Jody J Haigh
- Department of Pharmacology and Therapeutics, Rady Faulty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada.
- CancerCare Manitoba Research Institute, Winnipeg, MB, Canada.
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Chen L, Jiang X, Gao S, Liu X, Gao Y, Kow ASF, Tham CL, Lee MT. Sensitization effect of kaempferol from persimmon leaves on HepG2 hepatoma cells with ABT-199 resistance and its molecular mechanisms. Front Pharmacol 2022; 13:1032069. [PMID: 36386146 PMCID: PMC9663918 DOI: 10.3389/fphar.2022.1032069] [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: 08/30/2022] [Accepted: 10/17/2022] [Indexed: 11/23/2022] Open
Abstract
ABT-199 (venetoclax) is the first-in-class selective B-cell lymphoma 2 (BCL2) inhibitor, which is known to be ineffective towards liver cancer cells. Here, we investigated the efficacy and the underlying molecular processes of the sensitization effect of kaempferol isolated from persimmon leaves (KPL) on the ABT-199-resistant HepG2 cells. The effects of various doses of KPL coupled with ABT-199 on the proliferation of HepG2 cells and on the H22 liver tumor-bearing mouse model were examined, as well as the underlying mechanisms. Our findings showed that ABT-199 alone, in contrast to KPL, had no significant impact on hepatoma cell growth, both in vitro and in vivo. Interestingly, the combination therapy showed significantly higher anti-hepatoma efficacy. Mechanistic studies revealed that combining KPL and ABT-199 may promote both early and late apoptosis, as well as decrease the mitochondrial membrane potential in HepG2 cells. Western blot analysis showed that combination of KPL and ABT-199 significantly reduced the expression of the anti-apoptotic proteins Bcl-2, Bcl-xL, and Mcl-1, raised the expression of Bax and cleaved caspase 3, and enhanced cytochrome C release and Bax translocation. Therefore, KPL combined with ABT-199 has a potential application prospect in the treatment of hepatocellular carcinoma.
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Affiliation(s)
- Li Chen
- Faculty of Pharmaceutical Sciences, UCSI University, Kuala Lumpur, Malaysia,Department of Pharmacology, College of Medicine, Guangxi University of Science and Technology, Liuzhou, China
| | - Xudong Jiang
- Department of Pharmacology, College of Medicine, Guangxi University of Science and Technology, Liuzhou, China
| | - Si Gao
- Department of Pharmacology, College of Medicine, Guangxi University of Science and Technology, Liuzhou, China
| | - Xueping Liu
- Department of Pharmacology, College of Medicine, Guangxi University of Science and Technology, Liuzhou, China
| | - Ying Gao
- International Ginseng Institute, School of Agriculture, Middle Tennessee State University, Murfreesboro, TN, United States
| | | | - Chau Ling Tham
- Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Ming Tatt Lee
- Faculty of Pharmaceutical Sciences, UCSI University, Kuala Lumpur, Malaysia,*Correspondence: Ming Tatt Lee,
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Targeting EZH2 Promotes Chemosensitivity of BCL-2 Inhibitor through Suppressing PI3K and c-KIT Signaling in Acute Myeloid Leukemia. Int J Mol Sci 2022; 23:ijms231911393. [PMID: 36232694 PMCID: PMC9569949 DOI: 10.3390/ijms231911393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 09/18/2022] [Accepted: 09/23/2022] [Indexed: 11/26/2022] Open
Abstract
Acute myeloid leukemia (AML) is one of the most common hematological malignancies with high heterogeneity, characterized by a differentiating block at the early progenitor stage. The selective BCL-2 inhibitor, Venetoclax (Ven), has shown exciting clinical results in a certain group of AML patients. However, Ven alone is insufficient to reach an enduringly complete response, which leads to the concern of Ven resistance. Alternative combined therapies with Ven are demanded in AML. Here, we reported the synergistic effect and molecular mechanism of the enhancer of zeste homolog 2 (EZH2) inhibitor DZNeP with Ven in AML cells. Results showed that the combination of DZNeP with Ven significantly induces cell proliferation arrest compared to single-drug control in AML cells and primary samples, and CalcuSyn analysis showed their significant synergy. The combination also significantly promotes apoptosis and increases the expression of pro-apoptotic proteins. The whole transcriptome analysis showed that phosphoinositide-3-kinase-interacting protein1 (PIK3IP1), the PI3K/AKT/mTOR signaling suppressor, is upregulated upon DZNeP treatment. Moreover, EZH2 is upregulated but PIK3IP1 is downregulated in 88 newly diagnosed AML cohorts compared to 70 healthy controls, and a higher expression of EZH2 is associated with poor outcomes in AML patients. Particularly, the combination of DZNeP with Ven dramatically eliminated CD117 (c-KIT) (+) AML blasts, suggesting the effect of the combination on tumor stem cells. In summary, our data indicated that DZNeP increases the sensitivity of Ven in AML by affecting PI3K and c-KIT signaling in AML. Our results also suggested that the therapeutic targeting of both EZH2 and BCL-2 provides a novel potential combined strategy against AML.
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Zhan J, Yang S, Zhang W, Zhou D, Zhang Y, Wang W, Wei C. DA-EPOCH-R improves the prognosis of patients with double-expressor lymphoma: A single-center retrospective study and meta-analysis. Medicine (Baltimore) 2022; 101:e30620. [PMID: 36197215 PMCID: PMC9509123 DOI: 10.1097/md.0000000000030620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 08/17/2022] [Indexed: 11/26/2022] Open
Abstract
PURPOSE Double-expressor lymphoma (DEL) is associated with a poor prognosis. The standard treatment for patients with DEL remains controversial. A comparison of the safety and feasibility of R-CHOP and DA-EPOCH-R as the first-line therapy for patients with DEL is urgently needed. METHODS The clinical and treatment outcomes of 75 DEL patients were retrospectively analyzed. The role of DA-EPOCH-R was determined and compared to that of R-CHOP in DEL patients. PubMed, Embase, the Cochrane Central Library, and ClinicalTrials.gov were systematically searched up to November 1, 2021 and were evaluated by Preferred Reporting Items for Systematic Reviews and Meta-analysis (PRISMA) guidelines. Articles comparing DA-EPOCH-R versus R-CHOP in patients with DEL were included. RESULTS Overall, 49 and 26 DEL patients received R-CHOP and DA-EPOCH-R, respectively. Although the difference in response for patients who received R-CHOP and DA-EPOCH-R was not significant (P = .347), DA-EPOCH-R may improve the prognosis compared to R-CHOP (P = .056 for progression-free survival [PFS], P = .009 for overall survival [OS]). A systematic review and meta-analysis including 412 DEL patients in six articles were conducted. The event rate for 3-year PFS was significantly lower in patients receiving DA-EPOCH-R treatment than in those undergoing R-CHOP treatment (OR = 0.63, 95% CI = 0.42-0.94, P = .02), whereas no statistically significant difference was found in the HRs for both PFS and OS or the event rate for 3-year OS. CONCLUSION The results of this study indicated that DA-EPOCH-R might improve the prognosis of DEL patients compared with R-CHOP.
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Affiliation(s)
- Jing Zhan
- Department of Anesthesiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Shijie Yang
- Department of Radiation Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Wei Zhang
- Department of Hematology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Daobin Zhou
- Department of Hematology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Yan Zhang
- Department of Hematology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Wei Wang
- Department of Hematology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Chong Wei
- Department of Hematology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
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Yang JY, Wu YH, Pan MYC, Chiou YT, Lee RKL, Li TN, Wang LHC. Chemical-induced degradation of PreS2 mutant surface antigen via the induction of microautophagy. Antiviral Res 2022; 207:105417. [PMID: 36122619 DOI: 10.1016/j.antiviral.2022.105417] [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: 03/27/2022] [Revised: 08/29/2022] [Accepted: 09/09/2022] [Indexed: 11/02/2022]
Abstract
Naturally evolved immune-escape PreS2 mutant is an oncogenic caveat of liver cirrhosis and hepatocellular carcinoma (HCC) during chronic hepatitis B virus (HBV) infection. PreS2 mutant is prevalent in above 50% of patients with HCC. In addition, intrahepatic expression of PreS2 mutant large surface antigen (PreS2-LHBS) induces endoplasmic reticulum stress, mitochondria dysfunction, cytokinesis failure, and subsequent chromosome hyperploidy. As PreS2-LHBS has no enzymatic activity, the development of PreS2-specific inhibitors can be challenging. In this study, we aim to identify inhibitors of PreS2-LHBS via the induction of protein-specific degradation. We set up a large-scale protein stability reporter platform and applied an FDA-approved drug library for the screening. We identified ABT199 as a negative modulator of PreS2-LHBS, which induced the degradation of PreS2-LHBS without affecting the general cell viability in both hepatoma and immortalized hepatocytes. Next, by affinity purification screening, we found that PreS2-LHBS interacted with HSC70, a microautophagy mediating chaperone. Simultaneously, inhibitions of lysosomal degradation or microautophagy restored the expression of PreS2-LHBS, suggesting microautophagy is involved in ABT199-induced PreS2-LHBS degradation. Notably, a 24-hr treatment of ABT199 was sufficient for the reduction of DNA damage and cytokinesis failure in PreS2-LHBS expressing hepatocytes. In addition, a persistent treatment of ABT199 for 3 weeks reversed chromosome hyperploidy in PreS2-LHBS cells and suppressed anchorage-independent growth of HBV-positive hepatoma cells. Together, this study identified ABT-199 as a negative modulator of PreS2-LHBS via mediating microautophagy. Our results indicated that long-term inhibition of PreS2-LHBS may serve as a novel strategy for the therapeutic prevention of HBV-mediated HCC.
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Affiliation(s)
- Joey Yi Yang
- Institute of Molecular and Cellular Biology, National Tsing Hua University, Hsinchu, Taiwan
| | - Yi-Hsuan Wu
- Institute of Molecular and Cellular Biology, National Tsing Hua University, Hsinchu, Taiwan
| | - Max Yu-Chen Pan
- Institute of Molecular and Cellular Biology, National Tsing Hua University, Hsinchu, Taiwan
| | - Yu-Ting Chiou
- Institute of Molecular and Cellular Biology, National Tsing Hua University, Hsinchu, Taiwan
| | - Richard Kuan-Lin Lee
- Institute of Molecular and Cellular Biology, National Tsing Hua University, Hsinchu, Taiwan
| | - Tian-Neng Li
- Institute of Molecular and Cellular Biology, National Tsing Hua University, Hsinchu, Taiwan
| | - Lily Hui-Ching Wang
- Institute of Molecular and Cellular Biology, National Tsing Hua University, Hsinchu, Taiwan.
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New Trends in Aging Drug Discovery. Biomedicines 2022; 10:biomedicines10082006. [PMID: 36009552 PMCID: PMC9405986 DOI: 10.3390/biomedicines10082006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 08/13/2022] [Accepted: 08/15/2022] [Indexed: 11/17/2022] Open
Abstract
Aging is considered the main risk factor for many chronic diseases that frequently appear at advanced ages. However, the inevitability of this process is being questioned by recent research that suggests that senescent cells have specific features that differentiate them from younger cells and that removal of these cells ameliorates senescent phenotype and associated diseases. This opens the door to the design of tailored therapeutic interventions aimed at reducing and delaying the impact of senescence in life, that is, extending healthspan and treating aging as another chronic disease. Although these ideas are still far from reaching the bedside, it is conceivable that they will revolutionize the way we understand aging in the next decades. In this review, we analyze the main and well-validated cellular pathways and targets related to senescence as well as their implication in aging-associated diseases. In addition, the most relevant small molecules with senotherapeutic potential, with a special emphasis on their mechanism of action, ongoing clinical trials, and potential limitations, are discussed. Finally, a brief overview of alternative strategies that go beyond the small molecule field, together with our perspectives for the future of the field, is provided.
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Manni S, Pesavento M, Spinello Z, Saggin L, Arjomand A, Fregnani A, Quotti Tubi L, Scapinello G, Gurrieri C, Semenzato G, Trentin L, Piazza F. Protein Kinase CK2 represents a new target to boost Ibrutinib and Venetoclax induced cytotoxicity in mantle cell lymphoma. Front Cell Dev Biol 2022; 10:935023. [PMID: 36035991 PMCID: PMC9403710 DOI: 10.3389/fcell.2022.935023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Accepted: 06/30/2022] [Indexed: 11/13/2022] Open
Abstract
Mantle cell lymphoma (MCL) is an incurable B cell non-Hodgkin lymphoma, characterized by frequent relapses. In the last decade, the pro-survival pathways related to BCR signaling and Bcl-2 have been considered rational therapeutic targets in B cell derived lymphomas. The BTK inhibitor Ibrutinib and the Bcl-2 inhibitor Venetoclax are emerging as effective drugs for MCL. However, primary and acquired resistance also to these agents may occur. Protein Kinase CK2 is a S/T kinase overexpressed in many solid and blood-derived tumours. CK2 promotes cancer cell growth and clonal expansion, sustaining pivotal survival signaling cascades, such as the ones dependent on AKT, NF-κB, STAT3 and others, counteracting apoptosis through a “non-oncogene” addiction mechanism. We previously showed that CK2 is overexpressed in MCL and regulates the levels of activating phosphorylation on S529 of the NF-κB family member p65/RelA. In the present study, we investigated the effects of CK2 inactivation on MCL cell proliferation, survival and apoptosis and this kinase’s involvement in the BCR and Bcl-2 related signaling. By employing CK2 loss of function MCL cell models, we demonstrated that CK2 sustains BCR signaling (such as BTK, NF-κB and AKT) and the Bcl-2-related Mcl-1 expression. CK2 inactivation enhanced Ibrutinib and Venetoclax-induced cytotoxicity. The demonstration of a CK2-dependent upregulation of pathways that may antagonize the effect of these drugs may offer a novel strategy to overcome primary and secondary resistance.
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Affiliation(s)
- Sabrina Manni
- Department of Medicine-DIMED, Hematology and Clinical Immunology Section, University of Padova, Padova, Italy
- Myeloma and Lymphoma Pathobiology Lab, Veneto Institute of Molecular Medicine, Padova, Italy
- *Correspondence: Sabrina Manni, ; Francesco Piazza,
| | - Maria Pesavento
- Department of Medicine-DIMED, Hematology and Clinical Immunology Section, University of Padova, Padova, Italy
- Myeloma and Lymphoma Pathobiology Lab, Veneto Institute of Molecular Medicine, Padova, Italy
| | - Zaira Spinello
- Department of Medicine-DIMED, Hematology and Clinical Immunology Section, University of Padova, Padova, Italy
- Myeloma and Lymphoma Pathobiology Lab, Veneto Institute of Molecular Medicine, Padova, Italy
| | - Lara Saggin
- Department of Medicine-DIMED, Hematology and Clinical Immunology Section, University of Padova, Padova, Italy
- Myeloma and Lymphoma Pathobiology Lab, Veneto Institute of Molecular Medicine, Padova, Italy
| | - Arash Arjomand
- Department of Medicine-DIMED, Hematology and Clinical Immunology Section, University of Padova, Padova, Italy
- Myeloma and Lymphoma Pathobiology Lab, Veneto Institute of Molecular Medicine, Padova, Italy
| | - Anna Fregnani
- Department of Medicine-DIMED, Hematology and Clinical Immunology Section, University of Padova, Padova, Italy
- Myeloma and Lymphoma Pathobiology Lab, Veneto Institute of Molecular Medicine, Padova, Italy
| | - Laura Quotti Tubi
- Department of Medicine-DIMED, Hematology and Clinical Immunology Section, University of Padova, Padova, Italy
- Myeloma and Lymphoma Pathobiology Lab, Veneto Institute of Molecular Medicine, Padova, Italy
| | - Greta Scapinello
- Department of Medicine-DIMED, Hematology and Clinical Immunology Section, University of Padova, Padova, Italy
- Myeloma and Lymphoma Pathobiology Lab, Veneto Institute of Molecular Medicine, Padova, Italy
| | - Carmela Gurrieri
- Department of Medicine-DIMED, Hematology and Clinical Immunology Section, University of Padova, Padova, Italy
- Myeloma and Lymphoma Pathobiology Lab, Veneto Institute of Molecular Medicine, Padova, Italy
| | - Gianpietro Semenzato
- Department of Medicine-DIMED, Hematology and Clinical Immunology Section, University of Padova, Padova, Italy
- Myeloma and Lymphoma Pathobiology Lab, Veneto Institute of Molecular Medicine, Padova, Italy
| | - Livio Trentin
- Department of Medicine-DIMED, Hematology and Clinical Immunology Section, University of Padova, Padova, Italy
- Myeloma and Lymphoma Pathobiology Lab, Veneto Institute of Molecular Medicine, Padova, Italy
| | - Francesco Piazza
- Department of Medicine-DIMED, Hematology and Clinical Immunology Section, University of Padova, Padova, Italy
- Myeloma and Lymphoma Pathobiology Lab, Veneto Institute of Molecular Medicine, Padova, Italy
- *Correspondence: Sabrina Manni, ; Francesco Piazza,
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Rysanek D, Vasicova P, Kolla JN, Sedlak D, Andera L, Bartek J, Hodny Z. Synergism of BCL-2 family inhibitors facilitates selective elimination of senescent cells. Aging (Albany NY) 2022; 14:6381-6414. [PMID: 35951353 PMCID: PMC9467395 DOI: 10.18632/aging.204207] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 07/12/2022] [Indexed: 12/12/2022]
Abstract
Accumulation of senescent cells in tissues with advancing age participates in the pathogenesis of several human age-associated diseases. Specific senescent secretome, the resistance of senescent cells to apoptotic stimuli, and lack of immune system response contribute to the accumulation of senescent cells and their adverse effects in tissues. Inhibition of antiapoptotic machinery, augmented in senescent cells, by BCL-2 protein family inhibitors represents a promising approach to eliminate senescent cells from tissues. This study aimed to explore synergistic and selective senolytic effects of anti-apoptotic BCL-2 family targeting compounds, particularly BH3 mimetics. Using human non-transformed cells RPE-1, BJ, and MRC-5 brought to ionizing radiation-, oncogene-, drug-induced and replicative senescence, we found synergy in combining MCL-1 selective inhibitors with other BH3 mimetics. In an attempt to uncover the mechanism of such synergy, we revealed that the surviving subpopulation of cells resistant to individually applied ABT-737/ABT-263, MIK665, ABT-199, and S63845 BCL-2 family inhibitors showed elevated MCL-1 compared to untreated control cells indicating the presence of a subset of cells expressing high MCL-1 levels and, therefore, resistant to BCL-2 inhibitors within the original population of senescent cells. Overall, we found that combining BCL-2 inhibitors can be beneficial for eliminating senescent cells, thereby enabling use of lower, potentially less toxic, doses of drugs compared to monotherapy, thereby overcoming the resistance of the subpopulation of senescent cells to monotherapy.
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Affiliation(s)
- David Rysanek
- Department of Genome Integrity, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic
| | - Pavla Vasicova
- Department of Genome Integrity, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic
| | | | - David Sedlak
- CZ-OPENSCREEN, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic
| | - Ladislav Andera
- Department of Genome Integrity, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic.,Biocev, Institute of Biotechnology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Jiri Bartek
- Department of Genome Integrity, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic.,Genome Integrity Unit, Danish Cancer Society Research Center, Copenhagen, Denmark
| | - Zdenek Hodny
- Department of Genome Integrity, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic
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Specific Targeting of Antiapoptotic Bcl-2 Proteins as a Radiosensitizing Approach in Solid Tumors. Int J Mol Sci 2022; 23:ijms23147850. [PMID: 35887198 PMCID: PMC9319836 DOI: 10.3390/ijms23147850] [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: 05/12/2022] [Revised: 07/08/2022] [Accepted: 07/12/2022] [Indexed: 01/25/2023] Open
Abstract
Avoidance of therapy-induced apoptosis is a hallmark of acquired resistance towards radiotherapy. Thus, breaking resistance still challenges modern cancer therapy. The Bcl-2 protein family is known for its regulatory role in apoptosis signaling, making Bcl-2, Mcl-1 and Bcl-xL promising targets. This study evaluates the effects of highly specific inhibitors for Bcl-xL (WEHI-539), Bcl-2 (ABT-199) and Mcl-1 (S63845) as radiosensitizers. Covering a broad spectrum of solid tumors, Non-Small-Cell Lung Cancer (NSCLC), Head and Neck Squamous Cell Carcinoma (HNSCC) and synovial sarcoma cell lines were exposed to fractionated radiation as standard therapy with or without Bcl-2 protein inhibition. Protein expression was detected by Western blot and cell death was assessed by flow cytometry measuring apoptosis. In contrast to NSCLC, a high level of Bcl-xL and its upregulation during radiotherapy indicated radioresistance in HNSCC and synovial sarcoma. Radioresistant cell lines across all entities benefited synergistically from combined therapy with Bcl-xL inhibition and fractionated radiation. In NSCLC cell lines, Mcl-1 inhibition significantly augmented radiotherapy independent of the expression level. Our data suggest that among antiapoptotic Bcl-2 proteins, targeting Bcl-xL may break resistance to radiation in HNSCC, synovial sarcoma and NSCLC in vitro. In NSCLC, Mcl-1 might be a promising target that needs further investigation.
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Lérida-Viso A, Estepa-Fernández A, Morellá-Aucejo Á, Lozano-Torres B, Alfonso M, Blandez JF, Bisbal V, Sepúlveda P, García-Fernández A, Orzáez M, Martínez-Máñez R. Pharmacological senolysis reduces doxorubicin-induced cardiotoxicity and improves cardiac function in mice. Pharmacol Res 2022; 183:106356. [PMID: 35843569 DOI: 10.1016/j.phrs.2022.106356] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 07/05/2022] [Accepted: 07/12/2022] [Indexed: 01/10/2023]
Abstract
Many anticancer agents used in clinics induce premature senescence in healthy tissues generating accelerated aging processes and adverse side-effects in patients. Cardiotoxicity is a well-known limiting factor of anticancer treatment with doxorubicin (DOX), a very effective anthracycline widely used as antitumoral therapy in clinical practice, that leads to long-term morbidity and mortality. DOX exposure severely affects the population of cardiac cells in both mice and human hearts by inducing premature senescence, which may represent the molecular basis of DOX-induced cardiomyopathy. Here, we demonstrate that senescence induction in the heart contributes to impaired cardiac function in mice upon DOX treatment. Concomitant elimination of senescent cells with the senolytic Navitoclax in different formulations produces a significant decrease in senescence and cardiotoxicity markers together with the restoration of the cardiac function in mice followed by echocardiography. These results evidence the potential clinical use of senolytic therapies to alleviate cardiotoxicities induced in chemotherapy-treated patients.
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Affiliation(s)
- Araceli Lérida-Viso
- Unidad Mixta de Investigación en Nanomedicina y Sensores, Universitat Politècnica de València (UPV), Instituto de Investigación Sanitaria La Fe (IIS La Fe), Av. Fernando Abril Martorell 106, Valencia 46026, Spain; Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Camino de Vera, s/n, Valencia 46022, Spain; Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València-Centro de Investigación Príncipe Felipe, C/ Eduardo Primo Yúfera 3, Valencia 46012, Spain; CIBER de Bioingeniería Biomateriales y Nanomedicina (CIBER-BBN), Spain
| | - Alejandra Estepa-Fernández
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Camino de Vera, s/n, Valencia 46022, Spain; Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València-Centro de Investigación Príncipe Felipe, C/ Eduardo Primo Yúfera 3, Valencia 46012, Spain; CIBER de Bioingeniería Biomateriales y Nanomedicina (CIBER-BBN), Spain
| | - Ángela Morellá-Aucejo
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Camino de Vera, s/n, Valencia 46022, Spain; Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València-Centro de Investigación Príncipe Felipe, C/ Eduardo Primo Yúfera 3, Valencia 46012, Spain; CIBER de Bioingeniería Biomateriales y Nanomedicina (CIBER-BBN), Spain
| | - Beatriz Lozano-Torres
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Camino de Vera, s/n, Valencia 46022, Spain; Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València-Centro de Investigación Príncipe Felipe, C/ Eduardo Primo Yúfera 3, Valencia 46012, Spain; CIBER de Bioingeniería Biomateriales y Nanomedicina (CIBER-BBN), Spain
| | - María Alfonso
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Camino de Vera, s/n, Valencia 46022, Spain
| | - Juan F Blandez
- Unidad Mixta de Investigación en Nanomedicina y Sensores, Universitat Politècnica de València (UPV), Instituto de Investigación Sanitaria La Fe (IIS La Fe), Av. Fernando Abril Martorell 106, Valencia 46026, Spain; Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Camino de Vera, s/n, Valencia 46022, Spain; CIBER de Bioingeniería Biomateriales y Nanomedicina (CIBER-BBN), Spain
| | - Viviana Bisbal
- Centro de Investigación Príncipe Felipe, C/ Eduardo Primo Yúfera 3, Valencia 46012, Spain
| | - Pilar Sepúlveda
- Regenerative Medicine and Heart Transplantation Unit, Instituto de Investigación Sanitaria La Fe, Av. Fernando Abril Martorell 106, Valencia 46026, Spain; CIBER de Enfermedades Cardiovasculares (CIBERCV), Spain
| | - Alba García-Fernández
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Camino de Vera, s/n, Valencia 46022, Spain; Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València-Centro de Investigación Príncipe Felipe, C/ Eduardo Primo Yúfera 3, Valencia 46012, Spain; CIBER de Bioingeniería Biomateriales y Nanomedicina (CIBER-BBN), Spain.
| | - Mar Orzáez
- Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València-Centro de Investigación Príncipe Felipe, C/ Eduardo Primo Yúfera 3, Valencia 46012, Spain; Centro de Investigación Príncipe Felipe, C/ Eduardo Primo Yúfera 3, Valencia 46012, Spain.
| | - Ramón Martínez-Máñez
- Unidad Mixta de Investigación en Nanomedicina y Sensores, Universitat Politècnica de València (UPV), Instituto de Investigación Sanitaria La Fe (IIS La Fe), Av. Fernando Abril Martorell 106, Valencia 46026, Spain; Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Camino de Vera, s/n, Valencia 46022, Spain; Unidad Mixta UPV-CIPF de Investigación en Mecanismos de Enfermedades y Nanomedicina, Universitat Politècnica de València-Centro de Investigación Príncipe Felipe, C/ Eduardo Primo Yúfera 3, Valencia 46012, Spain; CIBER de Bioingeniería Biomateriales y Nanomedicina (CIBER-BBN), Spain.
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Manjunath M, Swaroop S, Pradhan SS, Rao K R, Mahadeva R, Sivaramakrishnan V, Choudhary B. Integrated Transcriptome and Metabolomic Analysis Reveal Anti-Angiogenic Properties of Disarib, a Novel Bcl2-Specific Inhibitor. Genes (Basel) 2022; 13:genes13071208. [PMID: 35885991 PMCID: PMC9316176 DOI: 10.3390/genes13071208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 06/25/2022] [Accepted: 06/29/2022] [Indexed: 12/04/2022] Open
Abstract
Transcriptomic profiling of several drugs in cancer cell lines has been utilised to obtain drug-specific signatures and guided combination therapy to combat drug resistance and toxicity. Global metabolomics reflects changes due to altered activity of enzymes, environmental factors, etc. Integrating transcriptomics and metabolomics can provide genotype-phenotype correlation, providing meaningful insights into alterations in gene expression and its outcome to understand differential metabolism and guide therapy. This study uses a multi-omics approach to understand the global gene expression and metabolite changes induced by Disarib, a novel Bcl2-specific inhibitor in the Ehrlich adenocarcinoma (EAC) breast cancer mouse model. RNAseq analysis was performed on EAC mouse tumours treated with Disarib and compared to the controls. The expression of 6 oncogenes and 101 tumour suppressor genes interacting with Bcl2 and Bak were modulated upon Disarib treatment. Cancer hallmark pathways like DNA repair, Cell cycle, angiogenesis, and mitochondrial metabolism were downregulated, and programmed cell death platelet-related pathways were upregulated. Global metabolomic profiling using LC-MS revealed that Oncometabolites like carnitine, oleic acid, glycine, and arginine were elevated in tumour mice compared to normal and were downregulated upon Disarib treatment. Integrated transcriptomic and metabolomic profiles identified arginine metabolism, histidine, and purine metabolism to be altered upon Disarib treatment. Pro-angiogenic metabolites, arginine, palmitic acid, oleic acid, and myristoleic acid were downregulated in Disarib-treated mice. We further validated the effect of Disarib on angiogenesis by qRT-PCR analysis of genes in the VEGF pathway. Disarib treatment led to the downregulation of pro-angiogenic markers. Furthermore, the chorioallantoic membrane assay displayed a reduction in the formation of the number of secondary blood vessels upon Disarib treatment. Disarib reduces tumours by reducing oncometabolite and activating apoptosis and downregulating angiogenesis.
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Affiliation(s)
- Meghana Manjunath
- Institute of Bioinformatics and Applied Biotechnology, Bengaluru 560100, Karnataka, India; (M.M.); (R.R.K.); (R.M.)
- Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Sai Swaroop
- Disease Biology Lab, Department of Biosciences, Sri Sathya Sai Institute of Higher Learning, Anantapur 515001, Andhra Pradesh, India; (S.S.); (S.S.P.); (V.S.)
| | - Sai Sanwid Pradhan
- Disease Biology Lab, Department of Biosciences, Sri Sathya Sai Institute of Higher Learning, Anantapur 515001, Andhra Pradesh, India; (S.S.); (S.S.P.); (V.S.)
| | - Raksha Rao K
- Institute of Bioinformatics and Applied Biotechnology, Bengaluru 560100, Karnataka, India; (M.M.); (R.R.K.); (R.M.)
| | - Raghunandan Mahadeva
- Institute of Bioinformatics and Applied Biotechnology, Bengaluru 560100, Karnataka, India; (M.M.); (R.R.K.); (R.M.)
| | - Venketesh Sivaramakrishnan
- Disease Biology Lab, Department of Biosciences, Sri Sathya Sai Institute of Higher Learning, Anantapur 515001, Andhra Pradesh, India; (S.S.); (S.S.P.); (V.S.)
| | - Bibha Choudhary
- Institute of Bioinformatics and Applied Biotechnology, Bengaluru 560100, Karnataka, India; (M.M.); (R.R.K.); (R.M.)
- Correspondence:
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Eugin Simon S, Ahmed U, Saad SM, Anwar A, Khan KM, Tan EW, Tan KO. New synthetic phenylquinazoline derivatives induce apoptosis by targeting the pro-survival members of the BCL-2 family. Bioorg Med Chem Lett 2022; 67:128731. [PMID: 35421577 DOI: 10.1016/j.bmcl.2022.128731] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 04/05/2022] [Accepted: 04/08/2022] [Indexed: 11/02/2022]
Abstract
Chemo-resistant cancer cells acquire robust growth potential through cell signaling mechanisms such as the down-regulation of tumor suppressors and the up-regulation of pro-survival proteins, respectively. To overcome chemo-resistance of cancer, small molecule drugs that interact with the cell signaling proteins to enhance sensitization of cancer cells toward cancer therapies are likely to be effective for the treatment of chemo-drug resistant cancer. To identify high potency small molecules, a series of ten novel phenylquinazoline derivatives were synthesized to determine their cellular effects in MCF-7 and MCF-7- cisplatin-resistant (CR) human breast cancer cells which led to the identification of two bioactive compounds, SMS-IV-20 and SMS-IV-40, that exhibited an elevated level of cytotoxicity against the human breast cancer cells and spheroid cells. In addition, both compounds enhanced chemo-sensitization of the human breast cancer cells that were genetically engineered to express the tumor suppressor and pro-apoptotic proteins, MOAP-1, Bax, and RASSF1a (MBR), suggesting that the compounds interact with the MBR signaling pathway. Furthermore, when MCF-7-CR cells were treated with SMS-IV-20 and SMS-IV-40 in the presence of ABT-737, a BCL-XL and BCL-2 inhibitor, enhanced chemo-sensitization was observed, suggesting SMS-IV-20 and SMS-IV-40 exert antagonistic activity to regulate the functional activity of BCL-2 and BCL-XL. Western blot analysis showed that both SMS-IV-20 and SMS-IV-40 induced down-regulation of BCL-2 or both BCl-2 and BCL-XL expression, respectively while promoting the release of mitochondrial Cytochrome C. Taken together, the data showed that SMS-IV-20 and SMS-IV-40 are potent activators of apoptosis that enhance chemo-sensitization through their antagonistic actions on the pro-survival activity of the BCl-2 family in human cancer cells.
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Affiliation(s)
- Samson Eugin Simon
- Department of Biological Sciences, School of Medical and Life Sciences, Sunway University, No. 5 Jalan Universiti, Bandar Sunway, 47500, Selangor Darul Ehsan, Malaysia
| | - Usman Ahmed
- Department of Biological Sciences, School of Medical and Life Sciences, Sunway University, No. 5 Jalan Universiti, Bandar Sunway, 47500, Selangor Darul Ehsan, Malaysia
| | | | - Ayaz Anwar
- Department of Biological Sciences, School of Medical and Life Sciences, Sunway University, No. 5 Jalan Universiti, Bandar Sunway, 47500, Selangor Darul Ehsan, Malaysia
| | - Khalid Mohammed Khan
- H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan; Department of Clinical Pharmacy, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Ee Wern Tan
- Department of Biological Sciences, School of Medical and Life Sciences, Sunway University, No. 5 Jalan Universiti, Bandar Sunway, 47500, Selangor Darul Ehsan, Malaysia
| | - Kuan Onn Tan
- Department of Biological Sciences, School of Medical and Life Sciences, Sunway University, No. 5 Jalan Universiti, Bandar Sunway, 47500, Selangor Darul Ehsan, Malaysia.
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Chen CC, Zhuang ZJ, Wu CW, Tan YL, Huang CH, Hsu CY, Tsai EM, Hsieh TH. Venetoclax Decreases the Expression of the Spike Protein through Amino Acids Q493 and S494 in SARS-CoV-2. Cells 2022; 11:cells11121924. [PMID: 35741053 PMCID: PMC9221610 DOI: 10.3390/cells11121924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 05/31/2022] [Accepted: 06/07/2022] [Indexed: 11/16/2022] Open
Abstract
The new coronavirus disease 2019 (COVID-19) caused by the severe acute respiratory syndrome coronavirus (SARS-CoV-2) has been reported and spread globally. There is an urgent need to take urgent measures to treat and prevent further infection of this virus. Here, we use virtual drug screening to establish pharmacophore groups and analyze the ACE2 binding site of the spike protein with the ZINC drug database and DrugBank database by molecular docking and molecular dynamics simulations. Screening results showed that Venetoclax, a treatment drug for chronic lymphocytic leukemia, has a potential ability to bind to the spike protein of SARS-CoV-2. In addition, our in vitro study found that Venetoclax degraded the expression of the spike protein of SARS-CoV-2 through amino acids Q493 and S494 and blocked the interaction with the ACE2 receptor. Our results suggest that Venetoclax is a candidate for clinical prevention and treatment and deserves further research.
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Affiliation(s)
- Chih-Chieh Chen
- Institute of Medical Science and Technology, National Sun Yat-sen University, Kaohsiung 804201, Taiwan; (C.-C.C.); (Z.-J.Z.); (Y.-L.T.)
- Rapid Screening Research Center for Toxicology and Biomedicine, National Sun Yat-sen University, Kaohsiung 804201, Taiwan
| | - Zhi-Jie Zhuang
- Institute of Medical Science and Technology, National Sun Yat-sen University, Kaohsiung 804201, Taiwan; (C.-C.C.); (Z.-J.Z.); (Y.-L.T.)
| | - Chia-Wei Wu
- Department of Medical Research, E-Da Hospital/E-Da Cancer Hospital, I-Shou University, Kaohsiung 82445, Taiwan; (C.-W.W.); (C.-H.H.)
| | - Yi-Ling Tan
- Institute of Medical Science and Technology, National Sun Yat-sen University, Kaohsiung 804201, Taiwan; (C.-C.C.); (Z.-J.Z.); (Y.-L.T.)
| | - Chen-Hsiu Huang
- Department of Medical Research, E-Da Hospital/E-Da Cancer Hospital, I-Shou University, Kaohsiung 82445, Taiwan; (C.-W.W.); (C.-H.H.)
| | - Chia-Yi Hsu
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80756, Taiwan; (C.-Y.H.); (E.-M.T.)
| | - Eing-Mei Tsai
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80756, Taiwan; (C.-Y.H.); (E.-M.T.)
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80756, Taiwan
| | - Tsung-Hua Hsieh
- Department of Medical Research, E-Da Hospital/E-Da Cancer Hospital, I-Shou University, Kaohsiung 82445, Taiwan; (C.-W.W.); (C.-H.H.)
- Correspondence: ; Tel.: +886-7615-1100 (ext. 5072)
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Navitoclax Enhances the Therapeutic Effects of PLK1 Targeting on Lung Cancer Cells in 2D and 3D Culture Systems. Pharmaceutics 2022; 14:pharmaceutics14061209. [PMID: 35745782 PMCID: PMC9229367 DOI: 10.3390/pharmaceutics14061209] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 06/04/2022] [Accepted: 06/04/2022] [Indexed: 11/16/2022] Open
Abstract
The efficacy of antimitotics is limited by slippage, whereby treated cells arrested in mitosis exit mitosis without cell division and, eventually, escape apoptosis, constituting a serious resistance mechanism to antimitotics. Strategies to overcome slippage should potentiate the cancer cell killing activity of these antimitotics. Such strategies should accelerate cell death in mitosis before slippage. Here, we undertook a mechanistic analysis to test whether the apoptosis activator Navitoclax potentiates apoptosis triggered by the antimitotic BI2536, a potent inhibitor of Polo-like kinase 1 (PLK1) with the goal of overcoming slippage. We found that cancer cells in 2D cultures treated with BI2536 alone accumulate in mitosis, but a significant fraction of arrested cells undergo slippage and survive. Remarkably, combining BI2536 with Navitoclax dramatically reduces slippage, shifting the cell fate to accelerated death in mitosis. The results are confirmed in 3D spheroids, a preclinical system that mimics in vivo tumor drug responses. Importantly, in 3D spheroids, the effect of the BI2536/Navitoclax combination requires a lower therapeutic dosage of each drug, underlying its potential to improve the therapeutic index. Our results highlight the relevance of apoptosis potentiators to circumvent slippage associated with antimitotics. The combination of BI2536 with Navitoclax shows in vitro synergy/additive effect, which warrants further clinical research.
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Venetoclax Induces Cardiotoxicity through Modulation of Oxidative-Stress-Mediated Cardiac Inflammation and Apoptosis via NF-κB and BCL-2 Pathway. Int J Mol Sci 2022; 23:ijms23116260. [PMID: 35682939 PMCID: PMC9181135 DOI: 10.3390/ijms23116260] [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: 04/07/2022] [Revised: 05/19/2022] [Accepted: 05/30/2022] [Indexed: 02/01/2023] Open
Abstract
Cardiovascular damage induced by anticancer therapy has become the main health problem after tumor elimination. Venetoclax (VTX) is a promising novel agent that has been proven to have a high efficacy in multiple hematological diseases, especially acute myeloid leukemia (AML) and chronic lymphocytic leukemia (CLL). Considering its mechanism of action, the possibility that VTX may cause cardiotoxicity cannot be ruled out. Therefore, this study was designed to investigate the toxic effect of VTX on the heart. Male Sprague-Dawley rats were randomly divided into three groups: control, low-dose VTX (50 mg/kg via oral gavage), and high-dose VTX (100 mg/kg via oral gavage). After 21 days, blood and tissue samples were collected for histopathological, biochemical, gene, and protein analyses. We demonstrated that VTX treatment resulted in cardiac damages as evidenced by major changes in histopathology and markedly elevated cardiac enzymes and hypertrophic genes markers. Moreover, we observed a drastic increase in oxidative stress, as well as inflammatory and apoptotic markers, with a remarkable decline in the levels of Bcl-2. To the best of our knowledge, this study is the first to report the cardiotoxic effect of VTX. Further experiments and future studies are strongly needed to comprehensively understand the cardiotoxic effect of VTX.
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JNK initiates Beclin-1 dependent autophagic cell death against Akt activation. Exp Cell Res 2022; 414:113105. [DOI: 10.1016/j.yexcr.2022.113105] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 03/07/2022] [Accepted: 03/10/2022] [Indexed: 11/24/2022]
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Astrike-Davis EM, Coryell P, Loeser RF. Targeting cellular senescence as a novel treatment for osteoarthritis. Curr Opin Pharmacol 2022; 64:102213. [PMID: 35447516 DOI: 10.1016/j.coph.2022.102213] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 03/12/2022] [Indexed: 12/12/2022]
Abstract
Cellular senescence is associated with normal development and wound healing, but has also been implicated in the pathogenesis of numerous aging-related diseases including osteoarthritis (OA). Treatment strategies for OA are being developed that target senescent cells and the paracrine and autocrine secretions of the senescence-associated secretory phenotype (SASP). The field of potential therapies continues to expand as new mechanistic targets of cell senescence and the SASP are identified. Ongoing pre-clinical and clinical studies of drugs targeting cellular senescence yield significant promise, but have yet to demonstrate long-term efficacy. Therapeutic targeting of senescence is challenged by the diverse phenotypes of senescent cells, which can vary depending on age, species, tissue source, and type of physiologic stressor. Accordingly, there remains considerable demand for more studies to further develop and assess senotherapeutics as disease-modifying treatments for OA.
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Affiliation(s)
- Emma M Astrike-Davis
- Division of Rheumatology, Allergy, and Immunology, The Thurston Arthritis Research Center, University of North Carolina School of Medicine, Chapel Hill, NC, USA
| | - Philip Coryell
- Division of Rheumatology, Allergy, and Immunology, The Thurston Arthritis Research Center, University of North Carolina School of Medicine, Chapel Hill, NC, USA
| | - Richard F Loeser
- Division of Rheumatology, Allergy, and Immunology, The Thurston Arthritis Research Center, University of North Carolina School of Medicine, Chapel Hill, NC, USA.
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