1
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Zhu G, Luo L, He Y, Xiao Y, Cai Z, Tong W, Deng W, Xie J, Zhong Y, Hu Z, Shan R. AURKB targets DHX9 to promote hepatocellular carcinoma progression via PI3K/AKT/mTOR pathway. Mol Carcinog 2024. [PMID: 38874176 DOI: 10.1002/mc.23775] [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: 09/03/2023] [Revised: 05/10/2024] [Accepted: 06/03/2024] [Indexed: 06/15/2024]
Abstract
Aurora kinase B (AURKB) is known to play a carcinogenic role in a variety of cancers, but its underlying mechanism in liver cancer is unknown. This study aimed to investigate the role of AURKB in hepatocellular carcinoma (HCC) and its underlying molecular mechanism. Bioinformatics analysis revealed that AURKB was significantly overexpressed in HCC tissues and cell lines, and its high expression was associated with a poorer prognosis in HCC patients. Furthermore, downregulation of AURKB inhibited HCC cell proliferation, migration, and invasion, induced apoptosis, and caused cell cycle arrest. Moreover, AURKB downregulation also inhibited lung metastasis of HCC. AURKB interacted with DExH-Box helicase 9 (DHX9) and targeted its expression in HCC cells. Rescue experiments further demonstrated that AURKB targeting DHX9 promoted HCC progression through the PI3K/AKT/mTOR pathway. Our results suggest that AURKB is significantly highly expressed in HCC and correlates with patient prognosis. Targeting DHX9 with AURKB promotes HCC progression via the PI3K/AKT/mTOR pathway.
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Affiliation(s)
- Guoqing Zhu
- Department of General Surgery, The First Hospital of Nanchang, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, China
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, China
| | - Laihui Luo
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, China
| | - Yongzhu He
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, China
- Department of General Surgery, Division of Hepatobiliary and Pancreas Surgery, Shenzhen People's Hospital, The Second Clinical Medical College, Jinan University, Shenzhen, Guangdong Province, China
- The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, Guangdong Province, China
| | - Yongqiang Xiao
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, China
| | - Ziwei Cai
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, China
| | - Weilai Tong
- Department of Orthopedics, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, China
| | - Wei Deng
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, China
| | - Jin Xie
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, China
| | - Yanxin Zhong
- Department of Orthopedics, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, China
| | - Zhigao Hu
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, China
| | - Renfeng Shan
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, China
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2
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Noor S, Choudhury A, Islam KU, Yousuf M, Raza A, Ansari MA, Ashraf A, Hussain A, Hassan MI. Investigating the chemo-preventive role of noscapine in lung carcinoma via therapeutic targeting of human aurora kinase B. Mol Cell Biochem 2024:10.1007/s11010-024-05036-7. [PMID: 38829482 DOI: 10.1007/s11010-024-05036-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Accepted: 05/14/2024] [Indexed: 06/05/2024]
Abstract
Lung carcinoma is the major contributor to global cancer incidence and one of the leading causes of cancer-related mortality worldwide. Irregularities in signal transduction events, genetic alterations, and mutated regulatory genes trigger cancer development and progression. Selective targeting of molecular modulators has substantially revolutionized cancer treatment strategies with improvised efficacy. The aurora kinase B (AURKB) is a critical component of the chromosomal passenger complex and is primarily involved in lung cancer pathogenesis. Since AURKB is an important therapeutic target, the design and development of its potential inhibitors are attractive strategies. In this study, noscapine was selected and validated as a possible inhibitor of AURKB using integrated computational, spectroscopic, and cell-based assays. Molecular docking analysis showed noscapine occupies the substrate-binding pocket of AURKB with strong binding affinity. Subsequently, MD simulation studies confirmed the formation of a stable AURKB-noscapine complex with non-significant alteration in various trajectories, including RMSD, RMSF, Rg, and SASA. These findings were further experimentally validated through fluorescence binding studies. In addition, dose-dependent noscapine treatment significantly attenuated recombinant AURKB activity with an IC50 value of 26.6 µM. Cell viability studies conducted on A549 cells and HEK293 cells revealed significant cytotoxic features of noscapine on A549 cells. Furthermore, Annexin-PI staining validated that noscapine triggered apoptosis in lung cancer cells, possibly via an intrinsic pathway. Our findings indicate that noscapine-based AURKB inhibition can be implicated as a potential therapeutic strategy in lung cancer treatment and can also provide a novel scaffold for developing next-generation AURKB-specific inhibitors.
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Affiliation(s)
- Saba Noor
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110025, India
| | - Arunabh Choudhury
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110025, India
| | - Khursheed Ul Islam
- Multidisciplinary Centre for Advance Research and Studies, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110025, India
| | - Mohd Yousuf
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110025, India
| | - Ali Raza
- Department of Medical Biochemistry, Jawahar Lal Nehru Medical College, Aligarh Muslim University, Aligarh, Uttar Pradesh, 202002, India
| | - Mohammad Ahmad Ansari
- Multidisciplinary Research Unit, University College of Medical Sciences, New Delhi, 110095, India
| | - Anam Ashraf
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110025, India
| | - Afzal Hussain
- Department of Pharmacognosy College of Pharmacy, King Saud University, PO Box 2457, Riyadh, 11451, Saudi Arabia
| | - Md Imtaiyaz Hassan
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110025, India.
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Carceles-Cordon M, Orme JJ, Domingo-Domenech J, Rodriguez-Bravo V. The yin and yang of chromosomal instability in prostate cancer. Nat Rev Urol 2024; 21:357-372. [PMID: 38307951 PMCID: PMC11156566 DOI: 10.1038/s41585-023-00845-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/13/2023] [Indexed: 02/04/2024]
Abstract
Metastatic prostate cancer remains an incurable lethal disease. Studies indicate that prostate cancer accumulates genomic changes during disease progression and displays the highest levels of chromosomal instability (CIN) across all types of metastatic tumours. CIN, which refers to ongoing chromosomal DNA gain or loss during mitosis, and derived aneuploidy, are known to be associated with increased tumour heterogeneity, metastasis and therapy resistance in many tumour types. Paradoxically, high CIN levels are also proposed to be detrimental to tumour cell survival, suggesting that cancer cells must develop adaptive mechanisms to ensure their survival. In the context of prostate cancer, studies indicate that CIN has a key role in disease progression and might also offer a therapeutic vulnerability that can be pharmacologically targeted. Thus, a comprehensive evaluation of the causes and consequences of CIN in prostate cancer, its contribution to aggressive advanced disease and a better understanding of the acquired CIN tolerance mechanisms can translate into new tumour classifications, biomarker development and therapeutic strategies.
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Affiliation(s)
| | - Jacob J Orme
- Department of Oncology, Mayo Clinic, Rochester, MN, USA
| | - Josep Domingo-Domenech
- Department of Urology, Mayo Clinic, Rochester, MN, USA.
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA.
| | - Veronica Rodriguez-Bravo
- Department of Urology, Mayo Clinic, Rochester, MN, USA.
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA.
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Xie S, Yang X, Yang X, Cao Z, Wei N, Lin X, Shi M, Cao R. Japanese encephalitis virus NS1 and NS1' proteins induce vimentin rearrangement via the CDK1-PLK1 axis to promote viral replication. J Virol 2024; 98:e0019524. [PMID: 38656209 PMCID: PMC11092344 DOI: 10.1128/jvi.00195-24] [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: 01/31/2024] [Accepted: 03/17/2024] [Indexed: 04/26/2024] Open
Abstract
The host cytoskeleton plays crucial roles in various stages of virus infection, including viral entry, transport, replication, and release. However, the specific mechanisms by which intermediate filaments are involved in orthoflavivirus infection have not been well understood. In this study, we demonstrate that the Japanese encephalitis virus (JEV) remodels the vimentin network, resulting in the formation of cage-like structures that support viral replication. Mechanistically, JEV NS1 and NS1' proteins induce the translocation of CDK1 from the nucleus to the cytoplasm and interact with it, leading to the phosphorylation of vimentin at Ser56. This phosphorylation event recruits PLK1, which further phosphorylates vimentin at Ser83. Consequently, these phosphorylation modifications convert the typically filamentous vimentin into non-filamentous "particles" or "squiggles." These vimentin "particles" or "squiggles" are then transported retrogradely along microtubules to the endoplasmic reticulum, where they form cage-like structures. Notably, NS1' is more effective than NS1 in triggering the CDK1-PLK1 cascade response. Overall, our study provides new insights into how JEV NS1 and NS1' proteins manipulate the vimentin network to facilitate efficient viral replication. IMPORTANCE Japanese encephalitis virus (JEV) is a mosquito-borne orthoflavivirus that causes severe encephalitis in humans, particularly in Asia. Despite the availability of a safe and effective vaccine, JEV infection remains a significant public health threat due to limited vaccination coverage. Understanding the interactions between JEV and host proteins is essential for developing more effective antiviral strategies. In this study, we investigated the role of vimentin, an intermediate filament protein, in JEV replication. Our findings reveal that JEV NS1 and NS1' proteins induce vimentin rearrangement, resulting in the formation of cage-like structures that envelop the viral replication factories (RFs), thus facilitating efficient viral replication. Our research highlights the importance of the interplay between the cytoskeleton and orthoflavivirus, suggesting that targeting vimentin could be a promising approach for the development of antiviral strategies to inhibit JEV propagation.
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Affiliation(s)
- Shengda Xie
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Xiaoxiao Yang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Xingmiao Yang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Ziyu Cao
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Ning Wei
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Xinxin Lin
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Miaolei Shi
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Ruibing Cao
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
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Li L, Xie K, Xie H, Wang L, Li Z, Lu Q, Feng J. AURKB promotes colorectal cancer progression by triggering the phosphorylation of histone H3 at serine 10 to activate CCNE1 expression. Aging (Albany NY) 2024; 16:8019-8030. [PMID: 38713155 PMCID: PMC11132018 DOI: 10.18632/aging.205801] [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: 09/27/2023] [Accepted: 02/13/2024] [Indexed: 05/08/2024]
Abstract
Aurora kinase B (AURKB) initiates the phosphorylation of serine 10 on histone H3 (pH3S10), a crucial process for chromosome condensation and cytokinesis in mammalian mitosis. Nonetheless, the precise mechanisms through which AURKB regulates the cell cycle and contributes to tumorigenesis as an oncogenic factor in colorectal cancer (CRC) remain unclear. Here, we report that AURKB was highly expressed and positively correlated with Ki-67 expression in CRC. The abundant expression of AURKB promotes the growth of CRC cells and xenograft tumors in animal model. AURKB knockdown substantially suppressed CRC proliferation and triggered cell cycle arrest in G2/M phase. Interestingly, cyclin E1 (CCNE1) was discovered as a direct downstream target of AURKB and functioned synergistically with AURKB to promote CRC cell proliferation. Mechanically, AURKB activated CCNE1 expression by triggering pH3S10 in the promoter region of CCNE1. Furthermore, it was showed that the inhibitor specific for AURKB (AZD1152) can suppress CCNE1 expression in CRC cells and inhibit tumor cell growth. To conclude, this research demonstrates that AURKB accelerated the tumorigenesis of CRC through its potential to epigenetically activate CCNE1 expression, suggesting AURKB as a promising therapeutic target in CRC.
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Affiliation(s)
- Ling Li
- Department of Gastrointestinal Surgery, The First People’s Hospital of Changzhou, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Ke Xie
- Department of Gastrointestinal Surgery, The First People’s Hospital of Changzhou, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Honghu Xie
- Department of Gastrointestinal Surgery, The First People’s Hospital of Changzhou, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Lei Wang
- Department of Gastrointestinal Surgery, The First People’s Hospital of Changzhou, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Zhong Li
- Department of Gastrointestinal Surgery, The First People’s Hospital of Changzhou, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Qicheng Lu
- Department of Gastrointestinal Surgery, The First People’s Hospital of Changzhou, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Jin Feng
- Department of Gastrointestinal Surgery, The First People’s Hospital of Changzhou, The Third Affiliated Hospital of Soochow University, Changzhou, China
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Mascanzoni F, Ayala I, Iannitti R, Luini A, Colanzi A. The Golgi checkpoint: Golgi unlinking during G2 is necessary for spindle formation and cytokinesis. Life Sci Alliance 2024; 7:e202302469. [PMID: 38479814 PMCID: PMC10941482 DOI: 10.26508/lsa.202302469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 02/28/2024] [Accepted: 02/28/2024] [Indexed: 03/17/2024] Open
Abstract
Entry into mitosis requires not only correct DNA replication but also extensive cell reorganization, including the separation of the Golgi ribbon into isolated stacks. To understand the significance of pre-mitotic Golgi reorganization, we devised a strategy to first block Golgi segregation, with the consequent G2-arrest, and then force entry into mitosis. We found that the cells forced to enter mitosis with an intact Golgi ribbon showed remarkable cell division defects, including spindle multipolarity and binucleation. The spindle defects were caused by reduced levels at the centrosome of the kinase Aurora-A, a pivotal spindle formation regulator controlled by Golgi segregation. Overexpression of Aurora-A rescued spindle formation, indicating a crucial role of the Golgi-dependent recruitment of Aurora-A at the centrosome. Thus, our results reveal that alterations of the pre-mitotic Golgi segregation in G2 have profound consequences on the fidelity of later mitotic processes and represent potential risk factors for cell transformation and cancer development.
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Affiliation(s)
- Fabiola Mascanzoni
- Institute of Experimental Endocrinology and Oncology "G. Salvatore" (IEOS), National Research Council (CNR), Naples, Italy
| | - Inmaculada Ayala
- Institute of Experimental Endocrinology and Oncology "G. Salvatore" (IEOS), National Research Council (CNR), Naples, Italy
| | - Roberta Iannitti
- Institute of Experimental Endocrinology and Oncology "G. Salvatore" (IEOS), National Research Council (CNR), Naples, Italy
| | - Alberto Luini
- Institute of Experimental Endocrinology and Oncology "G. Salvatore" (IEOS), National Research Council (CNR), Naples, Italy
| | - Antonino Colanzi
- Institute of Experimental Endocrinology and Oncology "G. Salvatore" (IEOS), National Research Council (CNR), Naples, Italy
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Shintomi K, Masahara-Negishi Y, Shima M, Tane S, Hirano T. Recombinant cyclin B-Cdk1-Suc1 capable of multi-site mitotic phosphorylation in vitro. PLoS One 2024; 19:e0299003. [PMID: 38527022 PMCID: PMC10962838 DOI: 10.1371/journal.pone.0299003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 02/04/2024] [Indexed: 03/27/2024] Open
Abstract
Cyclin-dependent kinase 1 (Cdk1) complexed with cyclin B phosphorylates multiple sites on hundreds of proteins during mitosis. However, it is not fully understood how multi-site mitotic phosphorylation by cyclin B-Cdk1 controls the structures and functions of individual substrates. Here we develop an easy-to-use protocol to express recombinant vertebrate cyclin B and Cdk1 in insect cells from a single baculovirus vector and to purify their complexes with excellent homogeneity. A series of in-vitro assays demonstrate that the recombinant cyclin B-Cdk1 can efficiently and specifically phosphorylate the SP and TP motifs in substrates. The addition of Suc1 (a Cks1 homolog in fission yeast) accelerates multi-site phosphorylation of an artificial substrate containing TP motifs. Importantly, we show that mitosis-specific multi-subunit and multi-site phosphorylation of the condensin I complex can be recapitulated in vitro using recombinant cyclin B-Cdk1-Suc1. The materials and protocols described here will pave the way for dissecting the biochemical basis of critical mitotic processes that accompany Cdk1-mediated large-scale phosphorylation.
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Affiliation(s)
- Keishi Shintomi
- Chromosome Dynamics Laboratory, RIKEN Cluster for Pioneering Research, Wako, Saitama, Japan
| | - Yuki Masahara-Negishi
- Chromosome Dynamics Laboratory, RIKEN Cluster for Pioneering Research, Wako, Saitama, Japan
| | - Masami Shima
- Chromosome Dynamics Laboratory, RIKEN Cluster for Pioneering Research, Wako, Saitama, Japan
| | - Shoji Tane
- Chromosome Dynamics Laboratory, RIKEN Cluster for Pioneering Research, Wako, Saitama, Japan
| | - Tatsuya Hirano
- Chromosome Dynamics Laboratory, RIKEN Cluster for Pioneering Research, Wako, Saitama, Japan
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Li L, Jiang P, Hu W, Zou F, Li M, Rao T, Ruan Y, Yu W, Ning J, Cheng F. AURKB promotes bladder cancer progression by deregulating the p53 DNA damage response pathway via MAD2L2. J Transl Med 2024; 22:295. [PMID: 38515112 PMCID: PMC10956193 DOI: 10.1186/s12967-024-05099-6] [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: 12/04/2023] [Accepted: 03/15/2024] [Indexed: 03/23/2024] Open
Abstract
BACKGROUND Bladder cancer (BC) is the most common urinary tract malignancy. Aurora kinase B (AURKB), a component of the chromosomal passenger protein complex, affects chromosomal segregation during cell division. Mitotic arrest-deficient 2-like protein 2 (MAD2L2) interacts with various proteins and contributes to genomic integrity. Both AURKB and MAD2L2 are overexpressed in various human cancers and have synergistic oncogenic effects; therefore, they are regarded as emerging therapeutic targets for cancer. However, the relationship between these factors and the mechanisms underlying their oncogenic activity in BC remains largely unknown. The present study aimed to explore the interactions between AURKB and MAD2L2 and how they affect BC progression via the DNA damage response (DDR) pathway. METHODS Bioinformatics was used to analyze the expression, prognostic value, and pro-tumoral function of AURKB in patients with BC. CCK-8 assay, colony-forming assay, flow cytometry, SA-β-gal staining, wound healing assay, and transwell chamber experiments were performed to test the viability, cell cycle progression, senescence, and migration and invasion abilities of BC cells in vitro. A nude mouse xenograft assay was performed to test the tumorigenesis ability of BC cells in vivo. The expression and interaction of proteins and the occurrence of the senescence-associated secretory phenotype were detected using western blot analysis, co-immunoprecipitation assay, and RT-qPCR. RESULTS AURKB was highly expressed and associated with prognosis in patients with BC. AURKB expression was positively correlated with MAD2L2 expression. We confirmed that AURKB interacts with, and modulates the expression of, MAD2L2 in BC cells. AURKB knockdown suppressed the proliferation, migration, and invasion abilities of, and cell cycle progression in, BC cells, inducing senescence in these cells. The effects of AURKB knockdown were rescued by MAD2L2 overexpression in vitro and in vivo. The effects of MAD2L2 knockdown were similar to those of AURKB knockdown. Furthermore, p53 ablation rescued the MAD2L2 knockdown-induced suppression of BC cell proliferation and cell cycle arrest and senescence in BC cells. CONCLUSIONS AURKB activates MAD2L2 expression to downregulate the p53 DDR pathway, thereby promoting BC progression. Thus, AURKB may serve as a potential molecular marker and a novel anticancer therapeutic target for BC.
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Affiliation(s)
- Linzhi Li
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Pengcheng Jiang
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Weimin Hu
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Fan Zou
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Ming Li
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Ting Rao
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Yuan Ruan
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Weimin Yu
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Jinzhuo Ning
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, 430060, China.
| | - Fan Cheng
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, 430060, China.
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9
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Ali M, Wani SUD, Dey T, Sridhar SB, Qadrie ZL. A common molecular and cellular pathway in developing Alzheimer and cancer. Biochem Biophys Rep 2024; 37:101625. [PMID: 38225990 PMCID: PMC10788207 DOI: 10.1016/j.bbrep.2023.101625] [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: 10/07/2023] [Revised: 12/18/2023] [Accepted: 12/20/2023] [Indexed: 01/17/2024] Open
Abstract
Globally cancer and Alzheimer's disease (AD) are two major diseases and still, there is no clearly defined molecular mechanism. There is an opposite relation between cancer and AD which are the proportion of emerging cancer was importantly slower in AD patients, whereas slow emerging AD in patients with cancer. In cancer, regulation of cell mechanisms is interrupted by an increase in cell survival and proliferation, while on the contrary, AD is related to augmented neuronal death, that may be either produced by or associated with amyloid-β (Aβ) and tau deposition. Stated that the probability that disruption of mechanisms takes part in the regulation of cell survival/death and might be implicated in both diseases. The mechanism of actions such as DNA-methylation, genetic polymorphisms, or another mechanism of actions that induce alteration in the action of drugs with significant roles in resolving the finding to repair and live or die might take part in the pathogenesis of these two ailments. The functions of miRNA, p53, Pin1, the Wnt signaling pathway, PI3 KINASE/Akt/mTOR signaling pathway GRK2 signaling pathway, and the pathophysiological role of oxidative stress are presented in this review as potential candidates which hypothetically describe inverse relations between cancer and AD. Innovative materials almost mutual mechanisms in the aetiology of cancer and AD advocates novel treatment approaches. Among these treatment strategies, the most promising use treatment such as tyrosine kinase inhibitor, nilotinib, protein kinase C, and bexarotene.
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Affiliation(s)
- Mohammad Ali
- Department of Pharmacology, Sri Adichunchanagiri College of Pharmacy, Adichunchanagiri University, B.G Nagar, Nagamagala, Bellur, Karnataka, 571418, India
- Department of Pharmacy Practice, East Point College of Pharmacy, Bangalore, 560049, India
| | - Shahid Ud Din Wani
- Division of Pharmaceutics, Department of Pharmaceutical Sciences, School of Applied Sciences and Technology, University of Kashmir, Srinagar, 190006, India
| | - Tathagata Dey
- Department of Pharmaceutical Chemistry, East Point College of Pharmacy, Bangalore, 560049, India
| | - Sathvik B. Sridhar
- Department of Clinical Pharmacy and Pharmacology, RAK College of Pharmacy, RAK Medical and Health Sciences University, Ras Al Khaimah, PO Box 11172, United Arab Emirates
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Krupina K, Goginashvili A, Cleveland DW. Scrambling the genome in cancer: causes and consequences of complex chromosome rearrangements. Nat Rev Genet 2024; 25:196-210. [PMID: 37938738 PMCID: PMC10922386 DOI: 10.1038/s41576-023-00663-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/20/2023] [Indexed: 11/09/2023]
Abstract
Complex chromosome rearrangements, known as chromoanagenesis, are widespread in cancer. Based on large-scale DNA sequencing of human tumours, the most frequent type of complex chromosome rearrangement is chromothripsis, a massive, localized and clustered rearrangement of one (or a few) chromosomes seemingly acquired in a single event. Chromothripsis can be initiated by mitotic errors that produce a micronucleus encapsulating a single chromosome or chromosomal fragment. Rupture of the unstable micronuclear envelope exposes its chromatin to cytosolic nucleases and induces chromothriptic shattering. Found in up to half of tumours included in pan-cancer genomic analyses, chromothriptic rearrangements can contribute to tumorigenesis through inactivation of tumour suppressor genes, activation of proto-oncogenes, or gene amplification through the production of self-propagating extrachromosomal circular DNAs encoding oncogenes or genes conferring anticancer drug resistance. Here, we discuss what has been learned about the mechanisms that enable these complex genomic rearrangements and their consequences in cancer.
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Affiliation(s)
- Ksenia Krupina
- Department of Cellular and Molecular Medicine, University of California at San Diego, La Jolla, CA, USA
| | - Alexander Goginashvili
- Department of Cellular and Molecular Medicine, University of California at San Diego, La Jolla, CA, USA
| | - Don W Cleveland
- Department of Cellular and Molecular Medicine, University of California at San Diego, La Jolla, CA, USA.
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11
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Zhang J, Ma J, Li Y, An Y, Du W, Yang Q, Huang M, Cai X. Overexpression of Aurora Kinase B Is Correlated with Diagnosis and Poor Prognosis in Hepatocellular Carcinoma. Int J Mol Sci 2024; 25:2199. [PMID: 38396874 PMCID: PMC10889672 DOI: 10.3390/ijms25042199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 01/26/2024] [Accepted: 01/29/2024] [Indexed: 02/25/2024] Open
Abstract
Aurora kinase B (AURKB) overexpression promotes tumor initiation and development by participating in the cell cycle. In this study, we focused on the mechanism of AURKB in hepatocellular carcinoma (HCC) progression and on AURKB's value as a diagnostic and prognostic biomarker in HCC. We used data from The Cancer Genome Atlas (TCGA) and the Gene Expression Omnibus (GEO) to analyze AURKB expression in HCC. We found that the expression levels of AURKB in HCC samples were higher than those in the corresponding control group. R packages were used to analyze RNA sequencing data to identify AURKB-related differentially expressed genes (DEGs), and these genes were found to be significantly enriched during the cell cycle. The biological function of AURKB was verified, and the results showed that cell proliferation was slowed down and cells were arrested in the G2/M phase when AURKB was knocked down. AURKB overexpression resulted in significant differences in clinical symptoms, such as the clinical T stage and pathological stage. Kaplan-Meier survival analysis, Cox regression analysis, and Receiver Operating Characteristic (ROC) curve analysis suggested that AURKB overexpression has good diagnostic and prognostic potential in HCC. Therefore, AURKB may be used as a potential target for the diagnosis and cure of HCC.
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Affiliation(s)
| | | | | | | | | | | | | | - Xuefei Cai
- The Key Laboratory of Molecular Biology of Infectious Diseases Designated by the Chinese Ministry of Education, Chongqing Medical University, 1 Yixue Yuan Road, Chongqing 400016, China; (J.Z.); (J.M.); (Y.L.); (Y.A.); (W.D.); (Q.Y.); (M.H.)
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12
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Hansel-Frose AFF, Allmer J, Friedrichs M, dos Santos HG, Dallagiovanna B, Spangenberg L. Alternative polyadenylation and dynamic 3' UTR length is associated with polysome recruitment throughout the cardiomyogenic differentiation of hESCs. Front Mol Biosci 2024; 11:1336336. [PMID: 38380430 PMCID: PMC10877728 DOI: 10.3389/fmolb.2024.1336336] [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: 11/10/2023] [Accepted: 01/11/2024] [Indexed: 02/22/2024] Open
Abstract
Alternative polyadenylation (APA) increases transcript diversity through the generation of isoforms with varying 3' untranslated region (3' UTR) lengths. As the 3' UTR harbors regulatory element target sites, such as miRNAs or RNA-binding proteins, changes in this region can impact post-transcriptional regulation and translation. Moreover, the APA landscape can change based on the cell type, cell state, or condition. Given that APA events can impact protein expression, investigating translational control is crucial for comprehending the overall cellular regulation process. Revisiting data from polysome profiling followed by RNA sequencing, we investigated the cardiomyogenic differentiation of pluripotent stem cells by identifying the transcripts that show dynamic 3' UTR lengthening or shortening, which are being actively recruited to ribosome complexes. Our findings indicate that dynamic 3' UTR lengthening is not exclusively associated with differential expression during cardiomyogenesis but rather with recruitment to polysomes. We confirm that the differentiated state of cardiomyocytes shows a preference for shorter 3' UTR in comparison to the pluripotent stage although preferences vary during the days of the differentiation process. The most distinct regulatory changes are seen in day 4 of differentiation, which is the mesoderm commitment time point of cardiomyogenesis. After identifying the miRNAs that would target specifically the alternative 3' UTR region of the isoforms, we constructed a gene regulatory network for the cardiomyogenesis process, in which genes related to the cell cycle were identified. Altogether, our work sheds light on the regulation and dynamic 3' UTR changes of polysome-recruited transcripts that take place during the cardiomyogenic differentiation of pluripotent stem cells.
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Affiliation(s)
- Aruana F. F. Hansel-Frose
- Laboratory of Basic Stem Cell Biology, Carlos Chagas Institute, Oswaldo Cruz Foundation (FIOCRUZ/PR), Curitiba, Brazil
| | - Jens Allmer
- Department of Medical Informatics and Bioinformatics, University of Applied Sciences Ruhr West, Mülheim, Germany
| | - Marcel Friedrichs
- Bioinformatics and Medical Informatics Department, University of Bielefeld, Bielefeld, Germany
| | | | - Bruno Dallagiovanna
- Laboratory of Basic Stem Cell Biology, Carlos Chagas Institute, Oswaldo Cruz Foundation (FIOCRUZ/PR), Curitiba, Brazil
| | - Lucía Spangenberg
- Bioinformatics Unit, Pasteur Institute of Montevideo, Montevideo, Uruguay
- Departamento Basico de Medicina, Hospital de Clinicas, Universidad de la República (Udelar), Montevideo, Uruguay
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13
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Paul S, Sarraf SA, Nam KH, Zavar L, DeFoor N, Biswas SR, Fritsch LE, Yaron TM, Johnson JL, Huntsman EM, Cantley LC, Ordureau A, Pickrell AM. NAK-associated protein 1/NAP1 activates TBK1 to ensure accurate mitosis and cytokinesis. J Cell Biol 2024; 223:e202303082. [PMID: 38059900 PMCID: PMC10702366 DOI: 10.1083/jcb.202303082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 10/03/2023] [Accepted: 11/10/2023] [Indexed: 12/08/2023] Open
Abstract
Subcellular location and activation of Tank Binding Kinase 1 (TBK1) govern precise progression through mitosis. Either loss of activated TBK1 or its sequestration from the centrosomes causes errors in mitosis and growth defects. Yet, what regulates its recruitment and activation on the centrosomes is unknown. We identified that NAK-associated protein 1 (NAP1) is essential for mitosis, binding to and activating TBK1, which both localize to centrosomes. Loss of NAP1 causes several mitotic and cytokinetic defects due to inactivation of TBK1. Our quantitative phosphoproteomics identified numerous TBK1 substrates that are not only confined to the centrosomes but are also associated with microtubules. Substrate motifs analysis indicates that TBK1 acts upstream of other essential cell cycle kinases like Aurora and PAK kinases. We also identified NAP1 as a TBK1 substrate phosphorylating NAP1 at S318 to promote its degradation by the ubiquitin proteasomal system. These data uncover an important distinct function for the NAP1-TBK1 complex during cell division.
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Affiliation(s)
- Swagatika Paul
- Graduate Program in Biomedical and Veterinary Sciences, Virginia-Maryland College of Veterinary Medicine, Blacksburg, VA, USA
| | - Shireen A. Sarraf
- Biochemistry Section, National Institutes of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
| | - Ki Hong Nam
- Cell Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Leila Zavar
- School of Neuroscience, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA
| | - Nicole DeFoor
- School of Neuroscience, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA
| | - Sahitya Ranjan Biswas
- Translational Biology, Medicine, and Health Graduate Program, Virginia Polytechnic Institute and State University, Roanoke, VA, USA
| | - Lauren E. Fritsch
- Translational Biology, Medicine, and Health Graduate Program, Virginia Polytechnic Institute and State University, Roanoke, VA, USA
| | - Tomer M. Yaron
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
- Englander Institute for Precision Medicine, Institute for Computational Biomedicine, Weill Cornell Medicine, New York, NY, USA
| | | | - Emily M. Huntsman
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
- Englander Institute for Precision Medicine, Institute for Computational Biomedicine, Weill Cornell Medicine, New York, NY, USA
| | - Lewis C. Cantley
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
- Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Alban Ordureau
- Cell Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Alicia M. Pickrell
- School of Neuroscience, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA
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14
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Zhang W, Zhang Z, Xiang Y, Gu DD, Chen J, Chen Y, Zhai S, Liu Y, Jiang T, Liu C, He B, Yan M, Wang Z, Xu J, Cao YL, Deng B, Zeng D, Lei J, Zhuo J, Lei X, Long Z, Jin B, Chen T, Li D, Shen Y, Hu J, Gao S, Liu Q. Aurora kinase A-mediated phosphorylation triggers structural alteration of Rab1A to enhance ER complexity during mitosis. Nat Struct Mol Biol 2024; 31:219-231. [PMID: 38177680 DOI: 10.1038/s41594-023-01165-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 10/26/2023] [Indexed: 01/06/2024]
Abstract
Morphological rearrangement of the endoplasmic reticulum (ER) is critical for metazoan mitosis. Yet, how the ER is remodeled by the mitotic signaling remains unclear. Here, we report that mitotic Aurora kinase A (AURKA) employs a small GTPase, Rab1A, to direct ER remodeling. During mitosis, AURKA phosphorylates Rab1A at Thr75. Structural analysis demonstrates that Thr75 phosphorylation renders Rab1A in a constantly active state by preventing interaction with GDP-dissociation inhibitor (GDI). Activated Rab1A is retained on the ER and induces the oligomerization of ER-shaping protein RTNs and REEPs, eventually triggering an increase of ER complexity. In various models, from Caenorhabditis elegans and Drosophila to mammals, inhibition of Rab1AThr75 phosphorylation by genetic modifications disrupts ER remodeling. Thus, our study reveals an evolutionarily conserved mechanism explaining how mitotic kinase controls ER remodeling and uncovers a critical function of Rab GTPases in metaphase.
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Affiliation(s)
- Wei Zhang
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
- Department of Clinical Immunology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Zijian Zhang
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
- Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China
| | - Yun Xiang
- National Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Dong-Dong Gu
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Jinna Chen
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Yifan Chen
- University of Chinese Academy of Sciences, Beijing, China
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai, China
| | - Shixian Zhai
- MOE Key Laboratory of Laser Life Science and College of Biophotonics, South China Normal University, Guangzhou, China
| | - Yong Liu
- National Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Tao Jiang
- National Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Chong Liu
- National Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Bin He
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Min Yan
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Zifeng Wang
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Jie Xu
- Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China
| | - Yu-Lu Cao
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Bing Deng
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Deshun Zeng
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Jie Lei
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Junxiao Zhuo
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Xinxing Lei
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China
| | - Zijie Long
- Department of Hematology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Institute of Hematology, Sun Yat-sen University, Guangzhou, China
| | - Bilian Jin
- Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China
| | - Tongsheng Chen
- MOE Key Laboratory of Laser Life Science and College of Biophotonics, South China Normal University, Guangzhou, China
| | - Dong Li
- National Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Yidong Shen
- University of Chinese Academy of Sciences, Beijing, China
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai, China
| | - Junjie Hu
- National Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China.
- University of Chinese Academy of Sciences, Beijing, China.
| | - Song Gao
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China.
| | - Quentin Liu
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P.R. China.
- Institute of Cancer Stem Cell, Dalian Medical University, Dalian, China.
- Institute of Hematology, Sun Yat-sen University, Guangzhou, China.
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15
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Velez-Aguilera G, Ossareh-Nazari B, Pintard L. Dissecting the Multiple Functions of the Polo-Like Kinase 1 in the C. elegans Zygote. Methods Mol Biol 2024; 2740:63-88. [PMID: 38393469 DOI: 10.1007/978-1-0716-3557-5_4] [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] [Indexed: 02/25/2024]
Abstract
Plk1 (polo-like kinase 1) is an evolutionarily conserved serine/threonine kinase instrumental for mitotic entry and progression. Beyond these canonical functions, Plk1 also regulates cell polarization and cell fate during asymmetric cell divisions in C. elegans and D. melanogaster. Plk1 contains a specialized phosphoserine-threonine binding domain, the polo-box domain (PBD), which localizes and concentrates the kinase at its various sites of action within the cell in space and time. Here we present protocols to express and purify the C. elegans Plk1 kinase along with biochemical and phosphoproteomic approaches to interrogate the PBD interactome and to dissect Plk1 substrate interactions. These protocols are most suitable for the identification of Plk1 targets in C. elegans embryos but can be easily adapted to identify and study Plk1 substrates from any source."
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Affiliation(s)
- Griselda Velez-Aguilera
- Université Paris Cité, CNRS, Institut Jacques Monod, Paris, France
- Programme Equipe Labellisée Ligue Contre le Cancer, Paris, France
| | - Batool Ossareh-Nazari
- Université Paris Cité, CNRS, Institut Jacques Monod, Paris, France
- Programme Equipe Labellisée Ligue Contre le Cancer, Paris, France
| | - Lionel Pintard
- Université Paris Cité, CNRS, Institut Jacques Monod, Paris, France.
- Programme Equipe Labellisée Ligue Contre le Cancer, Paris, France.
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16
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Lin X, Pan F, Abudoureyimu M, Wang T, Hao L, Wang R. Aurora-A inhibitor synergistically enhances the inhibitory effect of anlotinib on hepatocellular carcinoma. Biochem Biophys Res Commun 2024; 690:149247. [PMID: 38000292 DOI: 10.1016/j.bbrc.2023.149247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 11/07/2023] [Accepted: 11/13/2023] [Indexed: 11/26/2023]
Abstract
Hepatocellular carcinoma (HCC) is a highly malignant tumor with a global prevalence. In addition to the existing clinical guidelines, the effectiveness of anlotinib and Aurora-A inhibitors in treating HCC has also been demonstrated. However, Anlotinib, as an anti-angiogenesis therapy, has shown significant benefits in clinical trials but is limited by its single-agent treatment and the development of drug resistance. Aurora-A inhibitors are currently being tested in clinical trials but have limited efficacy. Combination therapy may offer clear advantages over monotherapy in this context. METHODS In this study, we used HCC cell lines to investigate whether the combination of the two drugs could enhance their individual strengths and mitigate their weaknesses, thereby providing greater clinical benefits both in vitro and in vivo. RESULTS Our findings confirmed that the Aurora-A inhibitor alisertib and anlotinib exhibited a time-dose-dependent inhibitory effect on HCC cells. In vitro cytological experiments demonstrated that the combination of the two drugs synergistically inhibited cell proliferation, invasion, and metastasis, while promoting cell apoptosis. Furthermore, we identified the underlying molecular mechanism by which the combination of the Aurora-A inhibitor alisertib and anlotinib inhibited HCC through the inhibition of the NF-ĸB signaling pathway. CONCLUSIONS In summary, we have demonstrated the effectiveness of combining anlotinib with an Aurora-A inhibitor, which expands the potential applications of anlotinib in the clinical treatment of HCC in the future.
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Affiliation(s)
- Xinrong Lin
- Department of Medical Oncology, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China.
| | - Fan Pan
- Department of Medical Oncology, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China.
| | - Mubalake Abudoureyimu
- Department of Medical Oncology, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China.
| | - Ting Wang
- Department of Medical Oncology, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China.
| | - Liping Hao
- Department of Medical Oncology, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China.
| | - Rui Wang
- Department of Medical Oncology, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China.
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17
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Padi SKR, Vos MR, Godek RJ, Fuller JR, Kruse T, Hein JB, Nilsson J, Kelker MS, Page R, Peti W. Cryo-EM structures of PP2A:B55-FAM122A and PP2A:B55-ARPP19. Nature 2024; 625:195-203. [PMID: 38123684 PMCID: PMC10765524 DOI: 10.1038/s41586-023-06870-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 11/15/2023] [Indexed: 12/23/2023]
Abstract
Progression through the cell cycle is controlled by regulated and abrupt changes in phosphorylation1. Mitotic entry is initiated by increased phosphorylation of mitotic proteins, a process driven by kinases2, whereas mitotic exit is achieved by counteracting dephosphorylation, a process driven by phosphatases, especially PP2A:B553. Although the role of kinases in mitotic entry is well established, recent data have shown that mitosis is only successfully initiated when the counterbalancing phosphatases are also inhibited4. Inhibition of PP2A:B55 is achieved by the intrinsically disordered proteins ARPP195,6 and FAM122A7. Despite their critical roles in mitosis, the mechanisms by which they achieve PP2A:B55 inhibition is unknown. Here, we report the single-particle cryo-electron microscopy structures of PP2A:B55 bound to phosphorylated ARPP19 and FAM122A. Consistent with our complementary NMR spectroscopy studies, both intrinsically disordered proteins bind PP2A:B55, but do so in highly distinct manners, leveraging multiple distinct binding sites on B55. Our extensive structural, biophysical and biochemical data explain how substrates and inhibitors are recruited to PP2A:B55 and provide a molecular roadmap for the development of therapeutic interventions for PP2A:B55-related diseases.
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Affiliation(s)
- Sathish K R Padi
- Department of Molecular Biology and Biophysics, University of Connecticut Health Center, Farmington, CT, USA
| | - Margaret R Vos
- Department of Cell Biology, University of Connecticut Health Center, Farmington, CT, USA
| | - Rachel J Godek
- Department of Cell Biology, University of Connecticut Health Center, Farmington, CT, USA
| | | | - Thomas Kruse
- The Novo Nordisk Foundation Center for Protein Research, University of Copenhagen, Copenhagen, Denmark
| | - Jamin B Hein
- The Novo Nordisk Foundation Center for Protein Research, University of Copenhagen, Copenhagen, Denmark
| | - Jakob Nilsson
- The Novo Nordisk Foundation Center for Protein Research, University of Copenhagen, Copenhagen, Denmark
| | | | - Rebecca Page
- Department of Cell Biology, University of Connecticut Health Center, Farmington, CT, USA.
| | - Wolfgang Peti
- Department of Molecular Biology and Biophysics, University of Connecticut Health Center, Farmington, CT, USA.
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18
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Zhou W, Guo S, Zhang J, Yan Y, Wu J, Liu X. An emerging biomarker for the diagnosis and treatment of esophageal squamous cell carcinoma - Aurora A. Comput Biol Med 2024; 168:107759. [PMID: 38043467 DOI: 10.1016/j.compbiomed.2023.107759] [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: 09/16/2023] [Revised: 10/27/2023] [Accepted: 11/21/2023] [Indexed: 12/05/2023]
Abstract
BACKGROUND Esophageal squamous cell carcinoma (ESCC) is a prominent form of esophageal cancer. Aurora A (AURKA), an enzyme that phosphorylates serine and threonine, has a vital function in controlling the process of separating chromosomes during cell division. The contribution of this entity has been documented in the advancement of malignant proliferations, including tumors occurring in the breast, stomach, and ovaries. METHODS The potential molecular mechanism of AURKA is comprehensively examined through the analysis of bulk RNA-seq and single-cell RNA-seq data obtained from publicly available databases. This analysis encompasses various aspects such as expression levels, prognosis, and functional pathways, among others. RESULTS The upregulation of AURKA in ESCC has been found to be correlated with the overall survival of patients. The functional annotation and pathway enrichment analysis conducted in this study lead to the conclusion that AURKA participates in the regulation of a number of malignant processes connected to cell proliferation, such as cell cycle control, apoptosis, and the p53 signaling pathway. Additionally, AURKA has been found to be associated with drug sensitivity and has an impact on the infiltration of tumor-infiltrating immune cells in ESCC. CONCLUSIONS AURKA exhibits potential as a prognostic and therapeutic biomarker linked to the regulation of cell cycle and cell proliferation.
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Affiliation(s)
- Wei Zhou
- Department of Pharmacy, China-Japan Friendship Hospital, Beijing, 100029, China
| | - Siyu Guo
- Department of Clinical Pharmacology of Traditional Chinese Medicine, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Jingyuan Zhang
- Department of Clinical Pharmacology of Traditional Chinese Medicine, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Yu Yan
- Department of Pharmacy, China-Japan Friendship Hospital, Beijing, 100029, China
| | - Jiarui Wu
- Department of Clinical Pharmacology of Traditional Chinese Medicine, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100029, China.
| | - Xiao Liu
- Department of Pharmacy, China-Japan Friendship Hospital, Beijing, 100029, China.
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19
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Alharthy RD, Fatima G, Yousaf N, Iqbal MS, Sattar S, Alanzi AR, Ali I, Muddassar M. Binding selectivity analysis of AURKs inhibitors through molecular dynamics simulation studies. PLoS One 2023; 18:e0295741. [PMID: 38113210 PMCID: PMC10729953 DOI: 10.1371/journal.pone.0295741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 11/29/2023] [Indexed: 12/21/2023] Open
Abstract
Aurora kinases (AURKs) have been identified as promising biological targets for the treatment of cancer. In this study, molecular dynamics simulations were employed to investigate the binding selectivity of three inhibitors (HPM, MPY, and VX6) towards AURKA and AURKB by predicting their binding free energies. The results show that the inhibitors HPM, MPY, and VX6 have more favorable interactions with AURKB as compared to AURKA. The binding energy decomposition analysis revealed that four common residue pairs (L139, L83), (V147, V91), (L210, L154), and (L263, L207) showed significant binding energies with HPM, MPY, and VX6, hence responsible for the binding selectivity of AURKA and AURKB to the inhibitors. The MD trajectory analysis also revealed that the inhibitors affect the dynamic flexibility of protein structure, which is also responsible for the partial selectivity of HPM, MPY, and VX6 towards AURKA and AURKB. As expected, this study provides useful insights for the design of potential inhibitors with high selectivity for AURKA and AURKB.
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Affiliation(s)
- Rima D. Alharthy
- Department of Chemistry, Science and Arts College, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Ghulam Fatima
- Department of Biosciences, COMSATS University Islamabad, Islamabad, Pakistan
| | - Numan Yousaf
- Department of Biosciences, COMSATS University Islamabad, Islamabad, Pakistan
| | | | - Sadia Sattar
- Department of Biosciences, COMSATS University Islamabad, Islamabad, Pakistan
| | - Abdullah R. Alanzi
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Ijaz Ali
- Centre for Applied Mathematics and Bioinformatics (CAMB), Gulf University for Science and Technology, Hawally, Kuwait
| | - Muhammad Muddassar
- Department of Biosciences, COMSATS University Islamabad, Islamabad, Pakistan
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20
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Nguyen Vu TH, Kikuchi O, Ohashi S, Saito T, Ida T, Nakai Y, Cao Y, Yamamoto Y, Kondo Y, Mitani Y, Kataoka S, Kondo T, Katada C, Yamada A, Matsubara J, Muto M. Combination therapy with WEE1 inhibition and trifluridine/tipiracil against esophageal squamous cell carcinoma. Cancer Sci 2023; 114:4664-4676. [PMID: 37724648 PMCID: PMC10728021 DOI: 10.1111/cas.15966] [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: 04/02/2023] [Revised: 08/22/2023] [Accepted: 09/02/2023] [Indexed: 09/21/2023] Open
Abstract
Despite advanced therapeutics, esophageal squamous cell carcinoma (ESCC) remains one of the deadliest cancers. Here, we propose a novel therapeutic strategy based on synthetic lethality combining trifluridine/tipiracil and MK1775 (WEE1 inhibitor) as a treatment for ESCC. This study demonstrates that trifluridine induces single-strand DNA damage in ESCC cells, as evidenced by phosphorylated replication protein 32. The DNA damage response includes cyclin-dependent kinase 1 (CDK1) (Tyr15) phosphorylation as CDK1 inhibition and a decrease of the proportion of phospho-histone H3 (p-hH3)-positive cells, indicating cell cycle arrest at the G2 phase before mitosis entry. The WEE1 inhibitor remarkedly suppressed CDK1 phosphorylation (Try15) and reactivated CDK1, and also increased the proportion of p-hH3-positive cells, which indicates an increase of the number of cells into mitosis. Trifluridine combined with a WEE1 inhibitor increased trifluridine-mediated DNA damage, namely DNA double-strand breaks, as shown by increased γ-H2AX expression. Moreover, the combination treatment with trifluridine/tipiracil and a WEE1 inhibitor significantly suppressed tumor growth of ESCC-derived xenograft models. Hence, our novel combination treatment with trifluridine/tipiracil and a WEE1 inhibitor is considered a candidate treatment strategy for ESCC.
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Affiliation(s)
- Trang H. Nguyen Vu
- Department of Therapeutic Oncology, Graduate School of MedicineKyoto UniversityKyotoJapan
- Endoscopy DepartmentCho Ray HospitalHo Chi Minh CityVietnam
| | - Osamu Kikuchi
- Department of Clinical Bio‐Resource CenterKyoto University HospitalKyotoJapan
- Division of Clinical Pharmacology and Cancer ImmunotherapyKyoto University Center for Cancer Immunotherapy and ImmunobiologyKyotoJapan
| | - Shinya Ohashi
- Department of Therapeutic Oncology, Graduate School of MedicineKyoto UniversityKyotoJapan
- Preemptive Medicine and Lifestyle Disease Research CenterKyoto University HospitalKyotoJapan
| | - Tomoki Saito
- Department of Therapeutic Oncology, Graduate School of MedicineKyoto UniversityKyotoJapan
| | - Tomomi Ida
- Department of Therapeutic Oncology, Graduate School of MedicineKyoto UniversityKyotoJapan
| | - Yukie Nakai
- Department of Therapeutic Oncology, Graduate School of MedicineKyoto UniversityKyotoJapan
| | - Yang Cao
- Department of Therapeutic Oncology, Graduate School of MedicineKyoto UniversityKyotoJapan
| | - Yoshihiro Yamamoto
- Department of Therapeutic Oncology, Graduate School of MedicineKyoto UniversityKyotoJapan
| | - Yuki Kondo
- Department of Therapeutic Oncology, Graduate School of MedicineKyoto UniversityKyotoJapan
| | - Yosuke Mitani
- Department of Therapeutic Oncology, Graduate School of MedicineKyoto UniversityKyotoJapan
| | - Shigeki Kataoka
- Department of Therapeutic Oncology, Graduate School of MedicineKyoto UniversityKyotoJapan
| | - Tomohiro Kondo
- Department of Therapeutic Oncology, Graduate School of MedicineKyoto UniversityKyotoJapan
| | - Chikatoshi Katada
- Department of Therapeutic Oncology, Graduate School of MedicineKyoto UniversityKyotoJapan
| | - Atsushi Yamada
- Department of Therapeutic Oncology, Graduate School of MedicineKyoto UniversityKyotoJapan
| | - Junichi Matsubara
- Department of Therapeutic Oncology, Graduate School of MedicineKyoto UniversityKyotoJapan
| | - Manabu Muto
- Department of Therapeutic Oncology, Graduate School of MedicineKyoto UniversityKyotoJapan
- Department of Clinical Bio‐Resource CenterKyoto University HospitalKyotoJapan
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21
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Li C, Liao J, Wang X, Chen FX, Guo X, Chen X. Combined Aurora Kinase A and CHK1 Inhibition Enhances Radiosensitivity of Triple-Negative Breast Cancer Through Induction of Apoptosis and Mitotic Catastrophe Associated With Excessive DNA Damage. Int J Radiat Oncol Biol Phys 2023; 117:1241-1254. [PMID: 37393021 DOI: 10.1016/j.ijrobp.2023.06.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 05/25/2023] [Accepted: 06/19/2023] [Indexed: 07/03/2023]
Abstract
PURPOSE There is an urgent need for biomarkers and new actionable targets to improve radiosensitivity of triple-negative breast cancer (TNBC) tumors. We characterized the radiosensitizing effects and underlying mechanisms of combined Aurora kinase A (AURKA) and CHK1 inhibition in TNBC. METHODS AND MATERIALS Different TNBC cell lines were treated with AURKA inhibitor (AURKAi, MLN8237) and CHK1 inhibitor (CHK1i, MK8776). Cell responses to irradiation (IR) were then evaluated. Cell apoptosis, DNA damage, cell cycle distribution, and mitogen-activated protein kinase (MAPK)/extracellular signal-regulated kinase (ERK) and Phosphoinositide 3-Kinase (PI3K) pathways were evaluated in vitro. Transcriptomic analysis was performed to facilitate the identification of potential biomarkers. Xenograft and immunohistochemistry were carried out to investigate the radiosensitizing effects of dual inhibition in vivo. Finally, the prognostic effect of CHEK1/AURKA in TNBC samples in the The Cancer Genome Atlas (TCGA) database and our center were analyzed. RESULTS AURKAi (MLN8237) induced overexpression of phospho-CHK1 in TNBC cells. The addition of MK8776 (CHK1i) to MLN8237 greatly reduced cell viability and increased radiosensitivity compared with either the control or MLN8237 alone in vitro. Mechanistically, dual inhibition resulted in inducing excessive DNA damage by prompting G2/M transition to cells with defective spindles, leading to mitotic catastrophe and induction of apoptosis after IR. We also observed that dual inhibition suppressed the phosphorylation of ERK, while activation of ERK with its agonist or overexpression of active ERK1/2 allele could attenuate the apoptosis induced by dual inhibition with IR. Additionally, dual inhibition of AURKA and CHK1 synergistically enhanced radiosensitivity in MDA-MB-231 xenografts. Moreover, we detected that both CHEK1 and AURKA were overexpressed in patients with TNBC and negatively correlated with patient survival. CONCLUSIONS Our findings suggested that AURKAi in combination with CHK1i enhanced TNBC radiosensitivity in preclinical models, potentially providing a novel strategy of precision treatment for patients with TNBC.
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Affiliation(s)
- Chunyan Li
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China; Shanghai Clinical Research Center for Radiation Oncology, Shanghai Key Laboratory of Radiation Oncology, Shanghai, China
| | - Jiatao Liao
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China; Shanghai Clinical Research Center for Radiation Oncology, Shanghai Key Laboratory of Radiation Oncology, Shanghai, China
| | - Xuanyi Wang
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China; Shanghai Clinical Research Center for Radiation Oncology, Shanghai Key Laboratory of Radiation Oncology, Shanghai, China
| | - Fei Xavier Chen
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China; Shanghai Clinical Research Center for Radiation Oncology, Shanghai Key Laboratory of Radiation Oncology, Shanghai, China; Institutes of Biomedical Science, Fudan University, Shanghai, China.
| | - Xiaomao Guo
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China; Shanghai Clinical Research Center for Radiation Oncology, Shanghai Key Laboratory of Radiation Oncology, Shanghai, China.
| | - Xingxing Chen
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China; Shanghai Clinical Research Center for Radiation Oncology, Shanghai Key Laboratory of Radiation Oncology, Shanghai, China.
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22
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Bathula S, Sankaranarayanan M, Malgija B, Kaliappan I, Bhandare RR, Shaik AB. 2-Amino Thiazole Derivatives as Prospective Aurora Kinase Inhibitors against Breast Cancer: QSAR, ADMET Prediction, Molecular Docking, and Molecular Dynamic Simulation Studies. ACS OMEGA 2023; 8:44287-44311. [PMID: 38027360 PMCID: PMC10666282 DOI: 10.1021/acsomega.3c07003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 10/05/2023] [Accepted: 10/23/2023] [Indexed: 12/01/2023]
Abstract
The aurora kinase is a key enzyme that is implicated in tumor growth. Research revealed that small molecules that target aurora kinase have beneficial effects as anticancer agents. In the present study, in order to identify potential antibreast cancer agents with aurora kinase inhibitory activity, we employed QSARINS software to perform the quantitative structure-activity relationship (QSAR). The statistical values resulted from the study include R2 = 0.8902, CCCtr = 0.7580, Q2 LOO = 0.7875, Q2LMO = 0.7624, CCCcv = 0.7535, R2ext = 0.8735, and CCCext = 0.8783. Among the four generated models, the two best models encompass five important variables, including PSA, EstateVSA5, MoRSEP3, MATSp5, and RDFC24. The parameters including the atomic volume, atomic charges, and Sanderson's electronegativity played an important role in designing newer lead compounds. Based on the above data, we have designed six series of compounds including 1a-e, 2a-e, 3a-e, 4a-e, 5a-e, and 6a-e. All these compounds were subjected to molecular docking studies by using AutoDock v4.2.6 against the aurora kinase protein (1MQ4). Among the above 30 compounds, the 2-amino thiazole derivatives 1a, 2a, 3e, 4d, 5d, and 6d have excellent binding interactions with the active site of 1MQ4. Compound 1a had the highest docking score (-9.67) and hence was additionally subjected to molecular dynamic simulation investigations for 100 ns. The stable binding of compound 1a with 1MQ4 was verified by RMSD, RMSF, RoG, H-bond, molecular mechanics-generalized Born surface area (MM-GBSA), free binding energy calculations, and solvent-accessible surface area (SASA) analyses. Furthermore, newly designed compound 1a exhibited excellent ADMET properties. Based on the above findings, we propose that the designed compound 1a may be utilized as the best theoretical lead for future experimental research of selective inhibition of aurora kinase, therefore assisting in the creation of new antibreast cancer drugs.
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Affiliation(s)
- Sivakumar Bathula
- Department
of Pharmaceutical Chemistry, SRM College of Pharmacy, SRM
Institute of Science and Technology, Kattankulathur 603203, Chengalpattu
District, Tamil Nadu, India
| | - Murugesan Sankaranarayanan
- Medicinal
Chemistry Research Laboratory, Department of Pharmacy, Birla Institute of Technology & Science (BITS)
Pilani, Pilani Campus, Pilani 333031, Rajasthan, India
| | - Beutline Malgija
- MCC-MRF
Innovation Park, Madras Christian College, Chennai 600059, Tamil Nadu, India
| | - Ilango Kaliappan
- Department
of Pharmaceutical Chemistry, SRM College of Pharmacy, SRM
Institute of Science and Technology, Kattankulathur 603203, Chengalpattu
District, Tamil Nadu, India
| | - Richie R. Bhandare
- Department
of Pharmaceutical Sciences, College
of Pharmacy and Health Sciences, Ajman University, P.O. Box 346, Ajman 61001, United Arab Emirates
- Centre of
Medical and Bio-allied Health Sciences Research, Ajman University, P.O. Box 346, Ajman 61001, United Arab Emirates
| | - Afzal B. Shaik
- St.
Mary’s College of Pharmacy, St. Mary’s
Group of Institutions Guntur, Affiliated to Jawaharlal Nehru Technological
University Kakinada, Chebrolu, Guntur 522212, Andhra
Pradesh, India
- Center
for Global Health Research, Saveetha Medical College, Saveetha Institute of Medical and Technical Sciences, Chennai 602105, Tamil Nadu, India
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23
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Kumar C, Mylavarapu SVS. Nucleolin is required for multiple centrosome-associated functions in early vertebrate mitosis. Chromosoma 2023; 132:305-315. [PMID: 37615728 DOI: 10.1007/s00412-023-00808-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 06/10/2023] [Accepted: 08/11/2023] [Indexed: 08/25/2023]
Abstract
Nucleolin is a multifunctional RNA-binding protein that resides predominantly not only in the nucleolus, but also in multiple other subcellular pools in the cytoplasm in mammalian cells, and is best known for its roles in ribosome biogenesis, RNA stability, and translation. During early mitosis, nucleolin is required for equatorial mitotic chromosome alignment prior to metaphase. Using high resolution fluorescence imaging, we reveal that nucleolin is required for multiple centrosome-associated functions at the G2-prophase boundary. Nucleolin depletion led to dissociation of the centrosomes from the G2 nuclear envelope, a delay in the onset of nuclear envelope breakdown, reduced inter-centrosome separation, and longer metaphase spindles. Our results reveal novel roles for nucleolin in early mammalian mitosis, establishing multiple important functions for nucleolin during mammalian cell division.
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Affiliation(s)
- Chandan Kumar
- Laboratory of Cellular Dynamics, Regional Centre for Biotechnology, NCR Biotech Science Cluster, 3rd Milestone, Faridabad-Gurgaon Expressway, Faridabad, Haryana, -121001, India
| | - Sivaram V S Mylavarapu
- Laboratory of Cellular Dynamics, Regional Centre for Biotechnology, NCR Biotech Science Cluster, 3rd Milestone, Faridabad-Gurgaon Expressway, Faridabad, Haryana, -121001, India.
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24
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Cota CD. Investigating cellular dynamics in tunicates. Genesis 2023; 61:e23574. [PMID: 37984368 DOI: 10.1002/dvg.23574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 10/30/2023] [Accepted: 10/31/2023] [Indexed: 11/22/2023]
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25
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Zhai F, Wang J, Luo X, Ye M, Jin X. Roles of NOLC1 in cancers and viral infection. J Cancer Res Clin Oncol 2023; 149:10593-10608. [PMID: 37296317 DOI: 10.1007/s00432-023-04934-5] [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: 04/15/2023] [Accepted: 05/23/2023] [Indexed: 06/12/2023]
Abstract
BACKGROUND The nucleolus is considered the center of metabolic control and an important organelle for the biogenesis of ribosomal RNA (rRNA). Nucleolar and coiled-body phosphoprotein 1(NOLC1), which was originally identified as a nuclear localization signal-binding protein is a nucleolar protein responsible for nucleolus construction and rRNA synthesis, as well as chaperone shuttling between the nucleolus and cytoplasm. NOLC1 plays an important role in a variety of cellular life activities, including ribosome biosynthesis, DNA replication, transcription regulation, RNA processing, cell cycle regulation, apoptosis, and cell regeneration. PURPOSE In this review, we introduce the structure and function of NOLC1. Then we elaborate its upstream post-translational modification and downstream regulation. Meanwhile, we describe its role in cancer development and viral infection which provide a direction for future clinical applications. METHODS The relevant literatures from PubMed have been reviewed for this article. CONCLUSION NOLC1 plays an important role in the progression of multiple cancers and viral infection. In-depth study of NOLC1 provides a new perspective for accurate diagnosis of patients and selection of therapeutic targets.
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Affiliation(s)
- Fengguang Zhai
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, 315211, China
- The Affiliated First Hospital, Ningbo University, Ningbo, 315020, China
| | - Jie Wang
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, 315211, China
- The Affiliated First Hospital, Ningbo University, Ningbo, 315020, China
| | - Xia Luo
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, 315211, China
| | - Meng Ye
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, 315211, China.
- The Affiliated First Hospital, Ningbo University, Ningbo, 315020, China.
| | - Xiaofeng Jin
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo University, Ningbo, 315211, China.
- The Affiliated First Hospital, Ningbo University, Ningbo, 315020, China.
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26
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Padi SK, Vos MR, Godek RJ, Fuller JR, Kruse T, Hein JB, Nilsson J, Kelker MS, Page R, Peti W. Cryo-EM structures of PP2A:B55-FAM122A and PP2A:B55-ARPP19. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.31.555365. [PMID: 37693408 PMCID: PMC10491220 DOI: 10.1101/2023.08.31.555365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/12/2023]
Abstract
Progression through the cell cycle is controlled by regulated and abrupt changes in phosphorylation.1 Mitotic entry is initiated by increased phosphorylation of mitotic proteins, a process driven by kinases,2 while mitotic exit is achieved by counteracting dephosphorylation, a process driven by phosphatases, especially PP2A:B55.3 While the role of kinases in mitotic entry is well-established, recent data have shown that mitosis is only successfully initiated when the counterbalancing phosphatases are also inhibited.4 For PP2A:B55, inhibition is achieved by the two intrinsically disordered proteins (IDPs), ARPP19 (phosphorylation-dependent)6,7 and FAM122A5 (inhibition is phosphorylation-independent). Despite their critical roles in mitosis, the mechanisms by which they achieve PP2A:B55 inhibition is unknown. Here, we report the cryo-electron microscopy structures of PP2A:B55 bound to phosphorylated ARPP19 and FAM122A. Consistent with our complementary NMR spectroscopy studies both IDPs bind PP2A:B55, but do so in highly distinct manners, unexpectedly leveraging multiple distinct binding sites on B55. Our extensive structural, biophysical and biochemical data explain how substrates and inhibitors are recruited to PP2A:B55 and provides a molecular roadmap for the development of therapeutic interventions for PP2A:B55 related diseases.
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Affiliation(s)
- Sathish K.R. Padi
- Department of Molecular Biology and Biophysics, University of Connecticut Health Center, Farmington, USA
| | - Margaret R. Vos
- Department of Cell Biology, University of Connecticut Health Center, Farmington, USA
| | - Rachel J. Godek
- Department of Cell Biology, University of Connecticut Health Center, Farmington, USA
| | | | - Thomas Kruse
- The Novo Nordisk Foundation Center for Protein Research, University of Copenhagen, Copenhagen, Denmark
| | - Jamin B. Hein
- The Novo Nordisk Foundation Center for Protein Research, University of Copenhagen, Copenhagen, Denmark
| | - Jakob Nilsson
- The Novo Nordisk Foundation Center for Protein Research, University of Copenhagen, Copenhagen, Denmark
| | | | - Rebecca Page
- Department of Cell Biology, University of Connecticut Health Center, Farmington, USA
| | - Wolfgang Peti
- Department of Molecular Biology and Biophysics, University of Connecticut Health Center, Farmington, USA
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27
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Pinheiro PDSM, Franco LS, Fraga CAM. The Magic Methyl and Its Tricks in Drug Discovery and Development. Pharmaceuticals (Basel) 2023; 16:1157. [PMID: 37631072 PMCID: PMC10457765 DOI: 10.3390/ph16081157] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 08/06/2023] [Accepted: 08/12/2023] [Indexed: 08/27/2023] Open
Abstract
One of the key scientific aspects of small-molecule drug discovery and development is the analysis of the relationship between its chemical structure and biological activity. Understanding the effects that lead to significant changes in biological activity is of paramount importance for the rational design and optimization of bioactive molecules. The "methylation effect", or the "magic methyl" effect, is a factor that stands out due to the number of examples that demonstrate profound changes in either pharmacodynamic or pharmacokinetic properties. In many cases, this has been carried out rationally, but in others it has been the product of serendipitous observations. This paper summarizes recent examples that provide an overview of the current state of the art and contribute to a better understanding of the methylation effect in bioactive small-molecule drug candidates.
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Affiliation(s)
- Pedro de Sena Murteira Pinheiro
- Laboratório de Avaliação e Síntese de Substâncias Bioativas (LASSBio), Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil; (P.d.S.M.P.); (L.S.F.)
| | - Lucas Silva Franco
- Laboratório de Avaliação e Síntese de Substâncias Bioativas (LASSBio), Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil; (P.d.S.M.P.); (L.S.F.)
- Instituto Nacional de Ciência e Tecnologia de Fármacos e Medicamentos (INCT-INOFAR), CCS, Universidade Federal do Rio de Janeiro, Cidade Universitária, Rio de Janeiro 21941-902, RJ, Brazil
| | - Carlos Alberto Manssour Fraga
- Laboratório de Avaliação e Síntese de Substâncias Bioativas (LASSBio), Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil; (P.d.S.M.P.); (L.S.F.)
- Instituto Nacional de Ciência e Tecnologia de Fármacos e Medicamentos (INCT-INOFAR), CCS, Universidade Federal do Rio de Janeiro, Cidade Universitária, Rio de Janeiro 21941-902, RJ, Brazil
- Programa de Pós-Graduação em Farmacologia e Química Medicinal, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Cidade Universitária, Rio de Janeiro 21941-902, RJ, Brazil
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28
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Li J, Zhang T, Shi Q, Lv G, Zhou X, Choudhry N, Kalashova J, Yang C, Li H, Long Y, Sakthivel B, Nimishetti N, Liu H, Allen TD, Zhang J, Yang D. Orally Bioavailable 4-Phenoxy-quinoline Compound as a Potent Aurora Kinase B Relocation Blocker for Cancer Treatment. ACS Pharmacol Transl Sci 2023; 6:1155-1163. [PMID: 37588758 PMCID: PMC10425991 DOI: 10.1021/acsptsci.3c00054] [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: 03/14/2023] [Indexed: 08/18/2023]
Abstract
We investigated a novel 4-phenoxy-quinoline-based scaffold that mislocalizes the essential mitotic kinase, Aurora kinase B (AURKB). Here, we evaluated the impact of halogen substitutions (F, Cl, Br, and I) on this scaffold with respect to various drug parameters. Br-substituted LXY18 was found to be a potent and orally bioavailable disruptor of cell division, at sub-nanomolar concentrations. LXY18 prevents cytokinesis by blocking AURKB relocalization in mitosis and exhibits broad-spectrum antimitotic activity in vitro. With a favorable pharmacokinetic profile, it shows widespread tissue distribution including the blood-brain barrier penetrance and effective accumulation in tumor tissues. More importantly, it markedly suppresses tumor growth. The novel mode of action of LXY18 may eliminate some drawbacks of direct catalytic inhibition of Aurora kinases. Successful development of LXY18 as a clinical candidate for cancer treatment could enable a new, less toxic means of antimitotic attack that avoids drug resistance mechanisms.
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Affiliation(s)
- Jinhua Li
- Chengdu
Anticancer Bioscience, Chengdu 610000, China
- J.
Michael Bishop Institute of Cancer Research, Chengdu 610000, China
| | - Ting Zhang
- Chengdu
Anticancer Bioscience, Chengdu 610000, China
- J.
Michael Bishop Institute of Cancer Research, Chengdu 610000, China
| | - Qiong Shi
- Chengdu
Anticancer Bioscience, Chengdu 610000, China
- J.
Michael Bishop Institute of Cancer Research, Chengdu 610000, China
| | - Gang Lv
- Chengdu
Anticancer Bioscience, Chengdu 610000, China
- J.
Michael Bishop Institute of Cancer Research, Chengdu 610000, China
| | - Xiaohu Zhou
- Chengdu
Anticancer Bioscience, Chengdu 610000, China
- J.
Michael Bishop Institute of Cancer Research, Chengdu 610000, China
| | - Namrta Choudhry
- Chengdu
Anticancer Bioscience, Chengdu 610000, China
- J.
Michael Bishop Institute of Cancer Research, Chengdu 610000, China
| | - Julia Kalashova
- Chengdu
Anticancer Bioscience, Chengdu 610000, China
- J.
Michael Bishop Institute of Cancer Research, Chengdu 610000, China
| | - Chenglu Yang
- Chengdu
Anticancer Bioscience, Chengdu 610000, China
- J.
Michael Bishop Institute of Cancer Research, Chengdu 610000, China
| | - Hongmei Li
- Chengdu
Anticancer Bioscience, Chengdu 610000, China
- J.
Michael Bishop Institute of Cancer Research, Chengdu 610000, China
| | - Yan Long
- Chengdu
Anticancer Bioscience, Chengdu 610000, China
- J.
Michael Bishop Institute of Cancer Research, Chengdu 610000, China
| | | | - Naganna Nimishetti
- Chengdu
Anticancer Bioscience, Chengdu 610000, China
- J.
Michael Bishop Institute of Cancer Research, Chengdu 610000, China
| | - Hong Liu
- Anticancer
Bioscience (US), South San Francisco, California 94080, United States
| | - Thaddeus D. Allen
- Anticancer
Bioscience (US), South San Francisco, California 94080, United States
| | - Jing Zhang
- Chengdu
Anticancer Bioscience, Chengdu 610000, China
- J.
Michael Bishop Institute of Cancer Research, Chengdu 610000, China
| | - Dun Yang
- Chengdu
Anticancer Bioscience, Chengdu 610000, China
- J.
Michael Bishop Institute of Cancer Research, Chengdu 610000, China
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29
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Lima K, de Miranda LBL, Del Milagro Bernabe Garnique A, de Almeida BO, do Nascimento MC, Alcântara GAS, Machado-Santelli GM, Rego EM, Machado-Neto JA. The Multikinase Inhibitor AD80 Induces Mitotic Catastrophe and Autophagy in Pancreatic Cancer Cells. Cancers (Basel) 2023; 15:3866. [PMID: 37568682 PMCID: PMC10417629 DOI: 10.3390/cancers15153866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 07/22/2023] [Accepted: 07/27/2023] [Indexed: 08/13/2023] Open
Abstract
Significant advances in understanding the molecular complexity of the development and progression of pancreatic cancer have been made, but this disease is still considered one of the most lethal human cancers and needs new therapeutic options. In the present study, the antineoplastic effects of AD80, a multikinase inhibitor, were investigated in models of pancreatic cancer. AD80 reduced cell viability and clonogenicity and induced polyploidy in pancreatic cancer cells. At the molecular level, AD80 reduced RPS6 and histone H3 phosphorylation and induced γH2AX and PARP1 cleavage. Additionally, the drug markedly decreased AURKA phosphorylation and expression. In PANC-1 cells, AD80 strongly induced autophagic flux (consumption of LC3B and SQSTM1/p62). AD80 modulated 32 out of 84 autophagy-related genes and was associated with vacuole organization, macroautophagy, response to starvation, cellular response to nitrogen levels, and cellular response to extracellular stimulus. In 3D pancreatic cancer models, AD80 also effectively reduced growth independent of anchorage and cell viability. In summary, AD80 induces mitotic aberrations, DNA damage, autophagy, and apoptosis in pancreatic cancer cells. Our exploratory study establishes novel targets underlying the antineoplastic activity of the drug and provides insights into the development of therapeutic strategies for this disease.
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Affiliation(s)
- Keli Lima
- Laboratory of Medical Investigation in Pathogenesis and Targeted Therapy in Onco-Immuno-Hematology (LIM-31), Department of Internal Medicine, Hematology Division, Faculdade de Medicina, University of São Paulo, São Paulo 01246-903, Brazil; (K.L.); (M.C.d.N.); (E.M.R.)
- Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, São Paulo 05508-000, Brazil; (L.B.L.d.M.); (B.O.d.A.); (G.A.S.A.)
| | - Lívia Bassani Lins de Miranda
- Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, São Paulo 05508-000, Brazil; (L.B.L.d.M.); (B.O.d.A.); (G.A.S.A.)
| | - Anali Del Milagro Bernabe Garnique
- Department of Cell and Developmental Biology, Institute of Biomedical Sciences, University of São Paulo, São Paulo 05508-000, Brazil; (A.D.M.B.G.); (G.M.M.-S.)
| | - Bruna Oliveira de Almeida
- Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, São Paulo 05508-000, Brazil; (L.B.L.d.M.); (B.O.d.A.); (G.A.S.A.)
| | - Mariane Cristina do Nascimento
- Laboratory of Medical Investigation in Pathogenesis and Targeted Therapy in Onco-Immuno-Hematology (LIM-31), Department of Internal Medicine, Hematology Division, Faculdade de Medicina, University of São Paulo, São Paulo 01246-903, Brazil; (K.L.); (M.C.d.N.); (E.M.R.)
- Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, São Paulo 05508-000, Brazil; (L.B.L.d.M.); (B.O.d.A.); (G.A.S.A.)
| | - Guilherme Augusto Sousa Alcântara
- Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, São Paulo 05508-000, Brazil; (L.B.L.d.M.); (B.O.d.A.); (G.A.S.A.)
| | - Glaucia Maria Machado-Santelli
- Department of Cell and Developmental Biology, Institute of Biomedical Sciences, University of São Paulo, São Paulo 05508-000, Brazil; (A.D.M.B.G.); (G.M.M.-S.)
| | - Eduardo Magalhães Rego
- Laboratory of Medical Investigation in Pathogenesis and Targeted Therapy in Onco-Immuno-Hematology (LIM-31), Department of Internal Medicine, Hematology Division, Faculdade de Medicina, University of São Paulo, São Paulo 01246-903, Brazil; (K.L.); (M.C.d.N.); (E.M.R.)
| | - João Agostinho Machado-Neto
- Department of Pharmacology, Institute of Biomedical Sciences, University of São Paulo, São Paulo 05508-000, Brazil; (L.B.L.d.M.); (B.O.d.A.); (G.A.S.A.)
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Introini V, Kidiyoor GR, Porcella G, Cicuta P, Cosentino Lagomarsino M. Centripetal nuclear shape fluctuations associate with chromatin condensation in early prophase. Commun Biol 2023; 6:715. [PMID: 37438411 DOI: 10.1038/s42003-023-05074-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Accepted: 06/26/2023] [Indexed: 07/14/2023] Open
Abstract
The nucleus plays a central role in several key cellular processes, including chromosome organisation, DNA replication and gene transcription. Recent work suggests an association between nuclear mechanics and cell-cycle progression, but many aspects of this connection remain unexplored. Here, by monitoring nuclear shape fluctuations at different cell cycle stages, we uncover increasing inward fluctuations in late G2 and in early prophase, which are initially transient, but develop into instabilities when approaching the nuclear-envelope breakdown. We demonstrate that such deformations correlate with chromatin condensation by perturbing both the chromatin and the cytoskeletal structures. We propose that the contrasting forces between an extensile stress and centripetal pulling from chromatin condensation could mechanically link chromosome condensation with nuclear-envelope breakdown, two main nuclear processes occurring during mitosis.
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Affiliation(s)
- Viola Introini
- Cavendish Laboratory, University of Cambridge, J.J. Thomson Avenue, Cambridge, CB3 0HE, UK
- Cambridge Institute for Medical Research, University of Cambridge, Cambridge Biomedical Campus Keith Peters Building, Hills Rd, Cambridge, CB2 0XY, UK
| | - Gururaj Rao Kidiyoor
- IFOM, FIRC Institute of Molecular Oncology, Via Adamello 16, Milan, 20139, Italy
| | - Giancarlo Porcella
- IFOM, FIRC Institute of Molecular Oncology, Via Adamello 16, Milan, 20139, Italy
| | - Pietro Cicuta
- Cavendish Laboratory, University of Cambridge, J.J. Thomson Avenue, Cambridge, CB3 0HE, UK
| | - Marco Cosentino Lagomarsino
- IFOM, FIRC Institute of Molecular Oncology, Via Adamello 16, Milan, 20139, Italy.
- Dipartimento di Fisica, Università degli Studi di Milano and I.N.F.N., Via Celoria 16, Milan, 20133, Italy.
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31
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Ren B, Geng Y, Chen S, Gao Z, Zheng K, Yang Y, Luo Q, Feng J, Luo Z, Ju Y, Huang Z. Alisertib exerts KRAS allele‑specific anticancer effects on colorectal cancer cell lines. Exp Ther Med 2023; 25:243. [PMID: 37153900 PMCID: PMC10160916 DOI: 10.3892/etm.2023.11942] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 02/27/2023] [Indexed: 05/10/2023] Open
Abstract
The aim of the present study was to examine the effects of alisertib (ALS) on RAS signaling pathways against a panel of colorectal cancer (CRC) cell lines and engineered Flp-In stable cell lines expressing different Kirsten rat sarcoma virus (KRAS) mutants. The viability of Caco-2KRAS wild-type, Colo-678KRAS G12D, SK-CO-1KRAS G12V, HCT116KRAS G13D, CCCL-18KRAS A146T and HT29BRAF V600E cells was examined by Cell Titer-Glo assay, and that of stable cell lines was monitored by IncuCyte. The expression levels of phosphorylated (p-)Akt and p-Erk as RAS signal outputs were measured by western blotting. The results suggested that ALS exhibited different inhibitory effects on cell viability and different regulatory effects on guanosine triphosphate (GTP)-bound RAS in CRC cell lines. ALS also exhibited various regulatory effects on the PI3K/Akt and mitogen-activated protein kinase (MAPK) pathways, the two dominant RAS signaling pathways, and induced apoptosis and autophagy in a RAS allele-specific manner. Combined treatment with ALS and selumetinib enhanced the regulatory effects of ALS on apoptosis and autophagy in CRC cell lines in a RAS allele-specific manner. Notably, combined treatment exhibited a synergistic inhibitory effect on cell proliferation in Flp-In stable cell lines. The results of the present study suggested that ALS differentially regulates RAS signaling pathways. The combined approach of ALS and a MEK inhibitor may represent a new therapeutic strategy for precision therapy for CRC in a KRAS allele-specific manner; however, this effect requires further study in vivo.
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Affiliation(s)
- Baojun Ren
- Department of Gastrointestinal Surgery, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), The Second School of Clinical Medicine, Southern Medical University, Foshan, Guangdong 528308, P.R. China
| | - Yan Geng
- Department of Gastrointestinal Surgery, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), The Second School of Clinical Medicine, Southern Medical University, Foshan, Guangdong 528308, P.R. China
| | - Shuxiang Chen
- Department of Anesthesiology and Operating Theatre, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), The Second School of Clinical Medicine, Southern Medical University, Foshan, Guangdong 528308, P.R. China
| | - Zhuowei Gao
- Department of Gastrointestinal Surgery, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), The Second School of Clinical Medicine, Southern Medical University, Foshan, Guangdong 528308, P.R. China
| | - Kehong Zheng
- Department of General Surgery, Zhujiang Hospital, Southern Medical University, The Second School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong 510280, P.R. China
| | - Yong Yang
- Department of Gastrointestinal Surgery, Peking University Shougang Hospital, Beijing 100144, P.R. China
| | - Qimei Luo
- Department of Nephrology, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), The Second School of Clinical Medicine, Southern Medical University, Foshan, Guangdong 528308, P.R. China
| | - Jing Feng
- Department of Gastrointestinal Surgery, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), The Second School of Clinical Medicine, Southern Medical University, Foshan, Guangdong 528308, P.R. China
| | - Zhentao Luo
- Department of Gastrointestinal Surgery, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), The Second School of Clinical Medicine, Southern Medical University, Foshan, Guangdong 528308, P.R. China
| | - Yongle Ju
- Department of Gastrointestinal Surgery, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), The Second School of Clinical Medicine, Southern Medical University, Foshan, Guangdong 528308, P.R. China
- Correspondence to: Dr Yongle Ju, Department of Gastrointestinal Surgery, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), The Second School of Clinical Medicine, Southern Medical University, 1 Jiazi Road, Lunjiao Shunde, Foshan, Guangdong 528308, P.R. China
| | - Zonghai Huang
- Department of General Surgery, Zhujiang Hospital, Southern Medical University, The Second School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong 510280, P.R. China
- Correspondence to: Dr Yongle Ju, Department of Gastrointestinal Surgery, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), The Second School of Clinical Medicine, Southern Medical University, 1 Jiazi Road, Lunjiao Shunde, Foshan, Guangdong 528308, P.R. China
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Bhuiyan AI, Choi AH, Ghoshal S, Adiele UA, Dana D, Choi JY, Fath KR, Talele TT, Pathak SK. Identification of a novel spirocyclic Nek2 inhibitor using high throughput virtual screening. Bioorg Med Chem Lett 2023; 88:129288. [PMID: 37094724 PMCID: PMC10246433 DOI: 10.1016/j.bmcl.2023.129288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 03/28/2023] [Accepted: 04/13/2023] [Indexed: 04/26/2023]
Abstract
NIMA Related Kinase 2 (Nek2) kinase is an attractive target for the development of therapeutic agents for several types of highly invasive cancers. Despite this, no small molecule inhibitor has advanced to the late clinical stages thus far. In this work, we have identified a novel spirocyclic inhibitor (V8) of Nek2 kinase, utilizing a high-throughput virtual screening (HTVS) approach. Using recombinant Nek2 enzyme assays, we show that V8 can inhibit Nek2 kinase activity (IC50 = 2.4 ± 0.2 µM) by binding to the enzyme's ATP pocket. The inhibition is selective, reversible and is not time dependent. To understand the key chemotype features responsible for Nek2 inhibition, a detailed structure-activity relationships (SAR) was performed. Using molecular models of the energy-minimized structures of Nek2-inhibitory complexes, we identify key hydrogen-bonding interactions, including two from the hinge-binding region, likely responsible for the observed affinity. Finally, using cell-based studies, we show that V8 attenuates (a) pAkt/PI3 Kinase signaling in a dose-dependent manner, and (b) proliferative and migratory phenotypes of highly aggressive human MDA-MB-231 breast and A549 lung cancer cell lines. Thus, V8 is an important novel lead compound for the development of highly potent and selective Nek2 inhibitory agents.
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Affiliation(s)
- Ashif I Bhuiyan
- Queens College of The City University of New York, Chemistry and Biochemistry Department, 65-30 Kissena Blvd, Flushing, NY 11367, USA; Chemistry Doctoral Program, The Graduate Center of The City University of New York, 365 5th Ave, New York, NY 10016, USA
| | - Athena H Choi
- Brooklyn Technical High School, 29 Fort Greene Place, Brooklyn, NY 11217, USA
| | - Sarbani Ghoshal
- Queensborough Community College of the City University of New York, 222-02 56(th) Avenue, Bayside, NY 11364, USA
| | - Ugochi A Adiele
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, USA
| | - Dibyendu Dana
- Queens College of The City University of New York, Chemistry and Biochemistry Department, 65-30 Kissena Blvd, Flushing, NY 11367, USA
| | - Jun Yong Choi
- Queens College of The City University of New York, Chemistry and Biochemistry Department, 65-30 Kissena Blvd, Flushing, NY 11367, USA; Chemistry Doctoral Program, The Graduate Center of The City University of New York, 365 5th Ave, New York, NY 10016, USA; Biochemistry Doctoral Program, The Graduate Center of The City University of New York, 365 5th Ave, New York, NY 10016, USA
| | - Karl R Fath
- Queens College of The City University of New York, Department of Biology, 65-30 Kissena Blvd, Flushing, NY 11367, USA; Biochemistry Doctoral Program, The Graduate Center of The City University of New York, 365 5th Ave, New York, NY 10016, USA
| | - Tanaji T Talele
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, USA
| | - Sanjai K Pathak
- Queens College of The City University of New York, Chemistry and Biochemistry Department, 65-30 Kissena Blvd, Flushing, NY 11367, USA; Chemistry Doctoral Program, The Graduate Center of The City University of New York, 365 5th Ave, New York, NY 10016, USA; Biochemistry Doctoral Program, The Graduate Center of The City University of New York, 365 5th Ave, New York, NY 10016, USA.
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Somashekar H, Nonomura KI. Genetic Regulation of Mitosis-Meiosis Fate Decision in Plants: Is Callose an Oversighted Polysaccharide in These Processes? PLANTS (BASEL, SWITZERLAND) 2023; 12:1936. [PMID: 37653853 PMCID: PMC10223186 DOI: 10.3390/plants12101936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 04/28/2023] [Accepted: 05/04/2023] [Indexed: 09/02/2023]
Abstract
Timely progression of the meiotic cell cycle and synchronized establishment of male meiosis in anthers are key to ascertaining plant fertility. With the discovery of novel regulators of the plant cell cycle, the mechanisms underlying meiosis initiation and progression appear to be more complex than previously thought, requiring the conjunctive action of cyclins, cyclin-dependent kinases, transcription factors, protein-protein interactions, and several signaling components. Broadly, cell cycle regulators can be classified into two categories in plants based on the nature of their mutational effects: (1) those that completely arrest cell cycle progression; and (2) those that affect the timing (delay or accelerate) or synchrony of cell cycle progression but somehow complete the division process. Especially the latter effects reflect evasion or obstruction of major steps in the meiosis but have sometimes been overlooked due to their subtle phenotypes. In addition to meiotic regulators, very few signaling compounds have been discovered in plants to date. In this review, we discuss the current state of knowledge about genetic mechanisms to enter the meiotic processes, referred to as the mitosis-meiosis fate decision, as well as the importance of callose (β-1,3 glucan), which has been unsung for a long time in male meiosis in plants.
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Affiliation(s)
- Harsha Somashekar
- Plant Cytogenetics Laboratory, Department of Gene Function and Phenomics, National Institute of Genetics, Mishima 411-8540, Japan;
- Department of Genetics, School of Life Science, The Graduate University for Advanced Studies (SOKENDAI), Mishima 411-8540, Japan
| | - Ken-Ichi Nonomura
- Plant Cytogenetics Laboratory, Department of Gene Function and Phenomics, National Institute of Genetics, Mishima 411-8540, Japan;
- Department of Genetics, School of Life Science, The Graduate University for Advanced Studies (SOKENDAI), Mishima 411-8540, Japan
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Wang Y, Long L, Zhuo L, Zhang H, Luo T, Deng J, Wang Y, Li Z, Wang Z, Peng X. Design, synthesis, and biological evaluation of 1-styrenyl isoquinoline derivatives for anti-hepatocellular carcinoma activity and effect on mitochondria. Eur J Med Chem 2023; 256:115420. [PMID: 37182331 DOI: 10.1016/j.ejmech.2023.115420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 04/18/2023] [Accepted: 04/26/2023] [Indexed: 05/16/2023]
Abstract
In this study, 18 derivatives of 1-styrene-isoquinoline were designed and synthesized from resveratrol and isoquinoline. The IC50 of compound 1c against Huh7 and SK-Hep-1 cells were 2.52 μM and 4.20 μM, respectively. Mice were treated with 650 mg/kg compound 1c, and the survival status of mice was good. Further studies showed that compound 1c could inhibit cell proliferation by arresting the cell cycle in the G2/M phase, induce cell apoptosis, and inhibit cell migration and invasion by regulating epithelial-mesenchymal transition (EMT). It is worth noting that numbers of studies have pointed that resveratrol can trigger mitochondrial apoptosis to induce apoptosis of cancer cells. Therefore, we investigated the mechanism of compound 1c induced apoptosis of Huh7 and SK-Hep-1 cells. The results indicated that compound 1c could regulate the expression of proteins which are related to mitochondrial apoptosis pathway and inhibit the phosphorylation of PI3K/Akt/mTOR signaling pathway. In addition, compound 1c could inhibit the growth of Huh7-xenografts, and perform a tumor inhibitory rate of 41.44% when administered 30 mg/kg once a day. This work provides a potential anti-hepatocellular carcinoma compound that warrants further investigation.
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Affiliation(s)
- Yuqing Wang
- School of Pharmacy, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Lin Long
- School of Pharmaceutical Science, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
| | - Linsheng Zhuo
- School of Pharmaceutical Science, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China; Postdoctoral Station for Basic Medicine, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
| | - Honghua Zhang
- School of Pharmacy, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Tian Luo
- School of Pharmacy, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Jiedan Deng
- School of Pharmacy, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Yuying Wang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Zhao Li
- School of Pharmacy, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Zhen Wang
- School of Pharmaceutical Science, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
| | - Xue Peng
- School of Pharmaceutical Science, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
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Das A, Sharma HK, Lather V, Pandita D, Agarwal P. Structure-based virtual screening for identification of potential CDC20 inhibitors and their therapeutic evaluation in breast cancer. 3 Biotech 2023; 13:141. [PMID: 37124982 PMCID: PMC10133423 DOI: 10.1007/s13205-023-03554-7] [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: 10/14/2022] [Accepted: 04/06/2023] [Indexed: 05/02/2023] Open
Abstract
Cell division cycle 20 (CDC20), a critical partner of anaphase promoting complex (APC/C), is indispensably required for metaphase-to-anaphase transition. CDC20 overexpression in TNBC breast cancer patients has been found to be correlated with poor prognosis, hence, we aimed to target CDC20 for TNBC therapeutics. In silico molecular docking of large-scale chemical libraries (phytochemicals/synthetic drugs) against CDC20 protein structure identified five synthetic drugs and four phytochemicals as potential hits interacting with CDC20 active site. The molecular selection was done based on docking scores, binding interactions, binding energies and MM/GBSA scores. Further, we analysed ADME profiles for all the hits and identified lidocaine, an aminoamide anaesthetic group of synthetic drug, with high drug-likeness properties. We explored the anti-tumorigenic effects of lidocaine on MDA-MB-231 TNBC breast cancer cells, which resulted in increased growth inhibition in dose-dependent manner. The molecular mechanism behind the cell viability defect mediated by lidocaine was found to be induction of G2/M cell cycle arrest and cellular apoptosis. Notably, lidocaine treatment of TNBC cells also resulted in downregulation of CDC20 gene expression. Thus, this study identifies lidocaine as a potential anti-neoplastic agent for TNBC cells emphasizing CDC20 as a suitable therapeutic target for breast cancer. Supplementary Information The online version contains supplementary material available at 10.1007/s13205-023-03554-7.
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Affiliation(s)
- Amiya Das
- Amity Institute of Molecular Medicine and Stem Cell Research, Amity University Uttar Pradesh, Sector 125, Noida, 201313 India
| | - Hitesh Kumar Sharma
- Amity Institute of Pharmacy, Amity University Uttar Pradesh, Sector 125, Noida, 201313 India
| | - Viney Lather
- Amity Institute of Pharmacy, Amity University Uttar Pradesh, Sector 125, Noida, 201313 India
| | - Deepti Pandita
- Department of Pharmaceutics, Delhi Institute of Pharmaceutical Sciences & Research (DIPSAR) Delhi Pharmaceutical Sciences and Research University, Pushp Vihar, Government of NCT of Delhi, New Delhi, 110017 India
- Centre for Advanced Formulation Technology (CAFT), Delhi Pharmaceutical Sciences and Research University, Pushp Vihar, Govt. of NCT of Delhi, New Delhi, 110017 India
| | - Pallavi Agarwal
- Amity Institute of Molecular Medicine and Stem Cell Research, Amity University Uttar Pradesh, Sector 125, Noida, 201313 India
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Bai T, Li M, Liu Y, Qiao Z, Zhang X, Wang Y, Wang Z. The promotion action of AURKA on post-ischemic angiogenesis in diabetes-related limb ischemia. Mol Med 2023; 29:39. [PMID: 36977984 PMCID: PMC10053687 DOI: 10.1186/s10020-023-00635-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 03/13/2023] [Indexed: 03/30/2023] Open
Abstract
Abstract
Background
Diabetes-related limb ischemia is a challenge for lower extremity amputation. Aurora Kinase A (AURKA) is an essential serine/threonine kinase for mitosis, while its role in limb ischemia remains unclear.
Method
Human microvascular endothelial cells (HMEC-1) were cultured in high glucose (HG, 25 mmol/L d-glucose) and no additional growth factors (ND) medium to mimic diabetes and low growth factors deprivation as in vitro model. Diabetic C57BL/6 mice were induced by streptozotocin (STZ) administration. After seven days, ischemia was surgically performed by left unilateral femoral artery ligation on diabetic mice. The vector of adenovirus was utilized to overexpress AURKA in vitro and in vivo.
Results
In our study, HG and ND-mediated downregulation of AURKA impaired the cell cycle progression, proliferation, migration, and tube formation ability of HMEC-1, which were rescued by overexpressed AURKA. Increased expression of vascular endothelial growth factor A (VEGFA) induced by overexpressed AURKA were likely regulatory molecules that coordinate these events. Mice with AURKA overexpression exhibited improved angiogenesis in response to VEGF in Matrigel plug assay, with increased capillary density and hemoglobin content. In diabetic limb ischemia mice, AURKA overexpression rescued blood perfusion and motor deficits, accompanied by the recovery of gastrocnemius muscles observed by H&E staining and positive Desmin staining. Moreover, AURKA overexpression rescued diabetes-related impairment of angiogenesis, arteriogenesis, and functional recovery in the ischemic limb. Signal pathway results revealed that VEGFR2/PI3K/AKT pathway might be involved in AURKA triggered angiogenesis procedure. In addition, AURKA overexpression impeded oxidative stress and subsequent following lipid peroxidation both in vitro and in vivo, indicating another protective mechanism of AURKA function in diabetic limb ischemia. The changes in lipid peroxidation biomarkers (lipid ROS, GPX4, SLC7A11, ALOX5, and ASLC4) in in vitro and in vivo were suggestive of the possible involvement of ferroptosis and interaction between AUKRA and ferroptosis in diabetic limb ischemia, which need further investigation.
Conclusions
These results implicated a potent role of AURKA in diabetes-related impairment of ischemia-mediated angiogenesis and implied a potential therapeutic target for ischemic diseases of diabetes.
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Fan Z, Wang S, Xu C, Yang J, Huang X, Xu H, Wang Y, Meng W, Cui B. Fu Fang Gang Liu aqueous extract inhibits the proliferation of HeLa cells by causing deoxyribonucleic acid damage. JOURNAL OF ETHNOPHARMACOLOGY 2023; 304:116083. [PMID: 36584921 DOI: 10.1016/j.jep.2022.116083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 12/13/2022] [Accepted: 12/20/2022] [Indexed: 06/17/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Fu Fang Gang Liu (FFGL) is an effective formula for treating wart proliferation caused by human papillomavirus (HPV) infection and has the potential to treat HPV-related cancers. However, scientific evidence of its anti-tumor activity against cervical cancer, the most common cancer caused by HPV, is lacking. AIM OF THE STUDY To clarify the anti-tumor effect of an FFGL aqueous extract on human cervical cancer and its possible mechanism of cell cycle arrest in HeLa cells. MATERIALS AND METHODS The anti-proliferative effect of FFGL on cervical cancer cells was assessed using the cell counting kit-8 assay. The proportion of apoptotic cells, cell cycle distribution, and cell division rate were determined using flow cytometry. Quantitative proteomics was used to identify differentially expressed proteins after FFGL treatment, and bioinformatics analysis was used to identify key nodal proteins affected by FFGL. Immunofluorescence and western blot analyses were used to explore changes in the expression of related proteins in the cell cycle and DNA damage pathways to elucidate the potential mechanism of action of FFGL against HeLa cell proliferation. RESULTS FFGL inhibited cervical cancer cell proliferation and caused cell cycle arrest. According to quantitative proteomics, CyclinB1 may play an important role in the anti-proliferative effect of FFGL on HeLa cells. Additional experiments showed that FFGL aqueous extract caused ATM-mediated DNA damage, further phosphorylated CHK2, led to the inactivation of Cdc25C, inhibited the activity of the CDK1/CyclinB1 complex, and resulted in cell cycle arrest. CONCLUSIONS FFGL can inhibit cervical cancer cell proliferation. Furthermore, it can increase CDK1 phosphorylation, block the cell cycle by causing DNA damage, and inhibit HeLa cell proliferation.
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Affiliation(s)
- Zhu Fan
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, 100053, China; Postdoctoral Research Station, China Academy of Chinese Medical Sciences, Beijing, 100700, China.
| | - Shuxin Wang
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, 100053, China.
| | - Chenchen Xu
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, 100053, China.
| | - Jiao Yang
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, 100053, China.
| | - Xiahe Huang
- Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China.
| | - Honglin Xu
- Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China.
| | - Yingchun Wang
- Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - Wenxiang Meng
- Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - Bingnan Cui
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, 100053, China.
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Miao P, Mao X, Chen S, Abubakar YS, Li Y, Zheng W, Zhou J, Wang Z, Zheng H. The mitotic exit mediated by small GTPase Tem1 is essential for the pathogenicity of Fusarium graminearum. PLoS Pathog 2023; 19:e1011255. [PMID: 36928713 PMCID: PMC10047555 DOI: 10.1371/journal.ppat.1011255] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 03/28/2023] [Accepted: 02/28/2023] [Indexed: 03/18/2023] Open
Abstract
The mitotic exit is a key step in cell cycle, but the mechanism of mitotic exit network in the wheat head blight fungus Fusarium graminearum remains unclear. F. graminearum infects wheat spikelets and colonizes the entire head by growing through the rachis node at the bottom of each spikelet. In this study, we found that a small GTPase FgTem1 plays an important role in F. graminearum pathogenicity and functions in regulating the formation of infection structures and invasive hyphal growth on wheat spikelets and wheat coleoptiles, but plays only little roles in vegetative growth and conidiation of the phytopathogen. FgTem1 localizes to both the inner nuclear periphery and the spindle pole bodies, and negatively regulates mitotic exit in F. graminearum. Furthermore, the regulatory mechanisms of FgTem1 have been further investigated by high-throughput co-immunoprecipitation and genetic strategies. The septins FgCdc10 and FgCdc11 were demonstrated to interact with the dominant negative form of FgTem1, and FgCdc11 was found to regulate the localization of FgTem1. The cell cycle arrest protein FgBub2-FgBfa1 complex was shown to act as the GTPase-activating protein (GAP) for FgTem1. We further demonstrated that a direct interaction exists between FgBub2 and FgBfa1 which crucially promotes conidiation, pathogenicity and DON production, and negatively regulates septum formation and nuclear division in F. graminearum. Deletions of FgBUB2 and FgBFA1 genes caused fewer perithecia and immature asci formations, and dramatically down-regulated trichothecene biosynthesis (TRI) gene expressions. Double deletion of FgBUB2/FgBFA1 genes showed that FgBUB2 and FgBFA1 have little functional redundancy in F. graminearum. In summary, we systemically demonstrated that FgTem1 and its GAP FgBub2-FgBfa1 complex are required for fungal development and pathogenicity in F. graminearum.
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Affiliation(s)
- Pengfei Miao
- Fujian Key Laboratory on Conservation and Sustainable Utilization of Marine Biodiversity, Fuzhou Institute of Oceanography, College of Geography and Oceanography, Minjiang University, Fuzhou, China
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Xuzhao Mao
- Fujian Key Laboratory on Conservation and Sustainable Utilization of Marine Biodiversity, Fuzhou Institute of Oceanography, College of Geography and Oceanography, Minjiang University, Fuzhou, China
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Shuang Chen
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Yakubu Saddeeq Abubakar
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Agriculture and Forestry University, Fuzhou, China
- Department of Biochemistry, Faculty of Life Sciences, Ahmadu Bello University, Zaria, Nigeria
| | - Yulong Li
- Fujian Key Laboratory on Conservation and Sustainable Utilization of Marine Biodiversity, Fuzhou Institute of Oceanography, College of Geography and Oceanography, Minjiang University, Fuzhou, China
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Wenhui Zheng
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Jie Zhou
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Zonghua Wang
- Fujian Key Laboratory on Conservation and Sustainable Utilization of Marine Biodiversity, Fuzhou Institute of Oceanography, College of Geography and Oceanography, Minjiang University, Fuzhou, China
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Huawei Zheng
- Fujian Key Laboratory on Conservation and Sustainable Utilization of Marine Biodiversity, Fuzhou Institute of Oceanography, College of Geography and Oceanography, Minjiang University, Fuzhou, China
- * E-mail:
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Hu SY, Qian JX, Yang SY, Andriani L, Liao L, Deng L, Huang MY, Zhang YL, Zhang FL, Shao ZM, Li DQ. Destabilization of microrchidia family CW-type zinc finger 2 via the cyclin-dependent kinase 1-chaperone-mediated autophagy pathway promotes mitotic arrest and enhances cancer cellular sensitivity to microtubule-targeting agents. Clin Transl Med 2023; 13:e1210. [PMID: 36967563 PMCID: PMC10040724 DOI: 10.1002/ctm2.1210] [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: 11/10/2022] [Revised: 01/29/2023] [Accepted: 02/15/2023] [Indexed: 03/29/2023] Open
Abstract
BACKGROUND Microtubule-targeing agents (MTAs), such as paclitaxel (PTX) and vincristine (VCR), kill cancer cells through activtion of the spindle assembly checkpoint (SAC) and induction of mitotic arrest, but the development of resistance poses significant clinical challenges. METHODS Immunoblotting and RT-qPCR were used to investigate potential function and related mechanism of MORC2. Flow cytometry analyses were carried out to determine cell cycle distribution and apoptosis. The effect of MORC2 on cellular sensitivity to PTX and VCR was determined by immunoblotting, flow cytometry, and colony formation assays. Immunoprecipitation assays and immunofluorescent staining were utilized to investigate protein-protein interaction and protein co-localization. RESULTS Here, we identified microrchidia family CW-type zinc finger 2 (MORC2), a poorly characterized oncoprotein, as a novel regulator of SAC activation, mitotic progression, and resistance of cancer cells to PTX and VCR. Mechanically, PTX and VCR activate cyclin-dependent kinase 1, which in turn induces MORC2 phosphorylation at threonine 717 (T717) and T733. Phosphorylated MORC2 enhances its interation with HSPA8 and LAMP2A, two essential components of the chaperone-mediated autophagy (CMA) mechinery, resulting in its autophagic degradation. Degradation of MORC2 during mitosis leads to SAC activation through stabilizing anaphase promoting complex/cyclosome activator protein Cdc20 and facilitating mitotic checkpoint complex assembly, thus contributing to mitotic arrest induced by PTX and VCR. Notably, knockdown of MORC2 promotes mitotic arrest induced by PTX and VCR and enhances the sensitivity of cancer cells to PTX and VCR. CONCLUSIONS Collectively, these findings unveil a previously unrecognized function and regulatory mechanism of MORC2 in mitotic progression and resistance of cancer cells to MTAs. These results also provide a new clue for developing combined treatmentstrategy by targeting MORC2 in combination with MTAs against human cancer.
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Affiliation(s)
- Shu-Yuan Hu
- Shanghai Cancer Center and Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai, China
| | - Jin-Xian Qian
- Department of Breast Surgery, Shanghai Medical College, Fudan University, Shanghai, China
| | - Shao-Ying Yang
- Cancer Institute, Shanghai Medical College, Fudan University, Shanghai, China
| | - Lisa Andriani
- Department of Breast Surgery, Shanghai Medical College, Fudan University, Shanghai, China
| | - Li Liao
- Cancer Institute, Shanghai Medical College, Fudan University, Shanghai, China
| | - Ling Deng
- Shanghai Cancer Center and Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai, China
| | - Min-Ying Huang
- Shanghai Cancer Center and Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai, China
| | - Yin-Ling Zhang
- Cancer Institute, Shanghai Medical College, Fudan University, Shanghai, China
| | - Fang-Lin Zhang
- Cancer Institute, Shanghai Medical College, Fudan University, Shanghai, China
| | - Zhi-Min Shao
- Shanghai Cancer Center and Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai, China
- Department of Breast Surgery, Shanghai Medical College, Fudan University, Shanghai, China
- Cancer Institute, Shanghai Medical College, Fudan University, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Breast Cancer, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Radiation Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Da-Qiang Li
- Shanghai Cancer Center and Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai, China
- Department of Breast Surgery, Shanghai Medical College, Fudan University, Shanghai, China
- Cancer Institute, Shanghai Medical College, Fudan University, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Breast Cancer, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Radiation Oncology, Shanghai Medical College, Fudan University, Shanghai, China
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He J, Gao R, Yang J, Li F, Fu Y, Cui J, Liu X, Huang K, Guo Q, Zhou Z, Wei W. NCAPD2 promotes breast cancer progression through E2F1 transcriptional regulation of CDK1. Cancer Sci 2023; 114:896-907. [PMID: 35348268 PMCID: PMC9986070 DOI: 10.1111/cas.15347] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 02/20/2022] [Accepted: 03/22/2022] [Indexed: 12/27/2022] Open
Abstract
Breast cancer (BC) is a serious threat to women's health worldwide. Non-SMC condensin I complex subunit D2 (NCAPD2) is a regulatory subunit of the coagulin I complex, which is mainly involved in chromosome coagulation and separation. The clinical significance, biological behavior, and potential molecular mechanism of NCAPD2 in BC were investigated in this study. We found that NCAPD2 was frequently overexpressed in BC, and it had clinical significance in predicting the prognosis of BC patients. Moreover, loss-of-function assays demonstrated that NCAPD2 knockdown restrained the progression of BC by inhibiting proliferation and migration and enhancing apoptosis in vitro. It was further confirmed that the downregulation of NCAPD2 inhibited tumor growth in vivo. NCAPD2 promoted the progression of BC through the extracellular signal-regulated kinase 5 (ERK5) signaling pathway. Additionally, NCAPD2 could transcriptionally activate CDK1 by interacting with E2F transcription factor 1 (E2F1) in MDA-MB-231 cells. Overexpression of CDK1 alleviated the inhibitory effects of NCAPD2 knockdown in BC cells. In summary, the NCAPD2/E2F1/CDK1 axis may play a role in promoting the progression of BC, which may provide a blueprint for molecular therapy.
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Affiliation(s)
- Jinsong He
- Department of Breast Surgery, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China
| | - Rui Gao
- Department of Breast Surgery, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China
| | - Jianbo Yang
- Department of The Cancer Center, Fujian Medical University Union Hospital, Fuzhou, Fujian, China.,Department of Otolaryngology, The Immunotherapy Research Laboratory, University of Minnesota, Minneapolis, Minnesota, USA
| | - Feng Li
- Department of Breast Surgery, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China
| | - Yang Fu
- Department of Breast Surgery, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China
| | - Junwei Cui
- Department of Breast Surgery, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China
| | - Xiaoling Liu
- Department of Breast Surgery, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China
| | - Kanghua Huang
- Department of Breast Surgery, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China
| | - Qiuyi Guo
- Department of Breast Surgery, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China
| | - Zihan Zhou
- Department of Breast Surgery, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China
| | - Wei Wei
- Department of Breast Surgery, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China
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Gajjala PR, Singh P, Odayar V, Ediga HH, McCormack FX, Madala SK. Wilms Tumor 1-Driven Fibroblast Activation and Subpleural Thickening in Idiopathic Pulmonary Fibrosis. Int J Mol Sci 2023; 24:ijms24032850. [PMID: 36769178 PMCID: PMC9918078 DOI: 10.3390/ijms24032850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 01/16/2023] [Accepted: 01/23/2023] [Indexed: 02/05/2023] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a progressive fibrotic lung disease that is often fatal due to the formation of irreversible scar tissue in the distal areas of the lung. Although the pathological and radiological features of IPF lungs are well defined, the lack of insight into the fibrogenic role of fibroblasts that accumulate in distinct anatomical regions of the lungs is a critical knowledge gap. Fibrotic lesions have been shown to originate in the subpleural areas and extend into the lung parenchyma through processes of dysregulated fibroproliferation, migration, fibroblast-to-myofibroblast transformation, and extracellular matrix production. Identifying the molecular targets underlying subpleural thickening at the early and late stages of fibrosis could facilitate the development of new therapies to attenuate fibroblast activation and improve the survival of patients with IPF. Here, we discuss the key cellular and molecular events that contribute to (myo)fibroblast activation and subpleural thickening in IPF. In particular, we highlight the transcriptional programs involved in mesothelial to mesenchymal transformation and fibroblast dysfunction that can be targeted to alter the course of the progressive expansion of fibrotic lesions in the distal areas of IPF lungs.
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Richard F, De Schepper M, Maetens M, Leduc S, Isnaldi E, Geukens T, Van Baelen K, Nguyen HL, Vermeulen P, Van Laere S, Bertucci F, Ueno N, Dirix L, Floris G, Biganzoli E, Desmedt C. Comparison of the genomic alterations present in tumor samples from patients with metastatic inflammatory versus non-inflammatory breast cancer reveals AURKA as a potential treatment target. Breast 2023:S0960-9776(23)00010-3. [PMID: 36717329 DOI: 10.1016/j.breast.2023.01.010] [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: 03/11/2022] [Revised: 12/02/2022] [Accepted: 01/23/2023] [Indexed: 01/26/2023] Open
Abstract
Inflammatory breast cancer (IBC) is a rare but aggressive subtype of breast cancer, mainly characterized using primary tumor samples. Here, using public datasets, we compared the genomic alterations in primary and metastatic samples from patients with metastatic IBC versus patients with metastatic non-IBC. We observed a higher frequency of AURKA amplification in IBC. We further showed that AURKA amplification was associated with increased AURKA mRNA expression, which we demonstrated was higher in IBC. Finally, higher protein expression of AURKA was associated with worse prognosis in patients with IBC. These findings deserve further investigation given the existence of AURKA-inhibitors.
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Affiliation(s)
- François Richard
- Laboratory for Translational Breast Cancer Research, Department of Oncology, KU Leuven, 3000, Leuven, Belgium
| | - Maxim De Schepper
- Laboratory for Translational Breast Cancer Research, Department of Oncology, KU Leuven, 3000, Leuven, Belgium
| | - Marion Maetens
- Laboratory for Translational Breast Cancer Research, Department of Oncology, KU Leuven, 3000, Leuven, Belgium
| | - Sophia Leduc
- Laboratory for Translational Breast Cancer Research, Department of Oncology, KU Leuven, 3000, Leuven, Belgium
| | - Edoardo Isnaldi
- Laboratory for Translational Breast Cancer Research, Department of Oncology, KU Leuven, 3000, Leuven, Belgium; Department of Internal Medicine and Medical Specialties, University of Genoa, IT-16132, Genoa, Italy
| | - Tatjana Geukens
- Laboratory for Translational Breast Cancer Research, Department of Oncology, KU Leuven, 3000, Leuven, Belgium
| | - Karen Van Baelen
- Laboratory for Translational Breast Cancer Research, Department of Oncology, KU Leuven, 3000, Leuven, Belgium
| | - Ha-Linh Nguyen
- Laboratory for Translational Breast Cancer Research, Department of Oncology, KU Leuven, 3000, Leuven, Belgium
| | - Peter Vermeulen
- Translational Cancer Research Unit, GZA Hospitals & CORE, MIPRO, University of Antwerp, Antwerp, Belgium; Department of Oncological Research, Oncology Center, GZA Hospitals Sint-Augustinus, Antwerp, Belgium
| | - Steven Van Laere
- Center for Oncological Research (CORE), Integrated Personalized and Precision Oncology Network (IPPON), University of Antwerp, Belgium
| | - François Bertucci
- Institut Paoli Calmettes, CRCM, INSERM U1068, CNRS UMR7258, Aix-Marseille Université, Marseille, France
| | - Naoto Ueno
- Department of Breast Medical Oncology, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Luc Dirix
- Translational Cancer Research Unit, GZA Hospitals & CORE, MIPRO, University of Antwerp, Antwerp, Belgium; Department of Oncological Research, Oncology Center, GZA Hospitals Sint-Augustinus, Antwerp, Belgium
| | - Giuseppe Floris
- Department of Imaging and Pathology, Laboratory of Translational Cell & Tissue Research and University Hospitals Leuven, KU Leuven, 3000, Leuven, Belgium
| | - Elia Biganzoli
- Unit of Medical Statistics, Biometry and Epidemiology, Department of Biomedical and Clinical Sciences (DIBIC) & DSRC, Ospedale "L. Sacco" LITA Campus, Università degli Studi di Milano, 20157, Milan, Italy
| | - Christine Desmedt
- Laboratory for Translational Breast Cancer Research, Department of Oncology, KU Leuven, 3000, Leuven, Belgium.
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Pressete CG, Viegas FPD, Campos TG, Caixeta ES, Hanemann JAC, Ferreira-Silva GÁ, Zavan B, Aissa AF, Miyazawa M, Viegas-Jr C, Ionta M. Piperine-Chlorogenic Acid Hybrid Inhibits the Proliferation of the SK-MEL-147 Melanoma Cells by Modulating Mitotic Kinases. Pharmaceuticals (Basel) 2023; 16:145. [PMID: 37259298 PMCID: PMC9965075 DOI: 10.3390/ph16020145] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 12/31/2022] [Accepted: 01/15/2023] [Indexed: 07/30/2023] Open
Abstract
Melanoma is considered the most aggressive form of skin cancer, showing high metastatic potential and persistent high mortality rates despite the introduction of immunotherapy and targeted therapies. Thus, it is important to identify new drug candidates for melanoma. The design of hybrid molecules, with different pharmacophore fragments combined in the same scaffold, is an interesting strategy for obtaining new multi-target and more effective anticancer drugs. We designed nine hybrid compounds bearing piperine and chlorogenic acid pharmacophoric groups and evaluated their antitumoral potential on melanoma cells with distinct mutational profiles SK-MEL-147, CHL-1 and WM1366. We identified the compound named PQM-277 (3a) to be the most cytotoxic one, inhibiting mitosis progression and promoting an accumulation of cells in pro-metaphase and metaphase by altering the expression of genes that govern G2/M transition and mitosis onset. Compound 3a downregulated FOXM1, CCNB1, CDK1, AURKA, AURKB, and PLK1, and upregulated CDKN1A. Molecular docking showed that 3a could interact with the CUL1-RBX1 complex, which activity is necessary to trigger molecular events essential for FOXM1 transactivation and, in turn, G2/M gene expression. In addition, compound 3a effectively induced apoptosis by increasing BAX/BCL2 ratio. Our findings demonstrate that 3a is an important antitumor candidate prototype and support further investigations to evaluate its potential for melanoma treatment, especially for refractory cases to BRAF/MEK inhibitors.
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Affiliation(s)
| | - Flávia Pereira Dias Viegas
- Institute of Chemistry, Laboratory of Research in Medicinal Chemistry, Federal University of Alfenas, Alfenas 37133-840, MG, Brazil
| | - Thâmara Gaspar Campos
- Institute of Chemistry, Laboratory of Research in Medicinal Chemistry, Federal University of Alfenas, Alfenas 37133-840, MG, Brazil
| | - Ester Siqueira Caixeta
- Institute of Biomedical Sciences, Federal University of Alfenas, Alfenas 37130-001, MG, Brazil
| | - João Adolfo Costa Hanemann
- Department of Clinic and Surgery, School of Dentistry, Federal University of Alfenas, Alfenas 37130-001, MG, Brazil
| | | | - Bruno Zavan
- Institute of Biomedical Sciences, Federal University of Alfenas, Alfenas 37130-001, MG, Brazil
| | - Alexandre Ferro Aissa
- Institute of Biomedical Sciences, Federal University of Alfenas, Alfenas 37130-001, MG, Brazil
| | - Marta Miyazawa
- Department of Clinic and Surgery, School of Dentistry, Federal University of Alfenas, Alfenas 37130-001, MG, Brazil
| | - Claudio Viegas-Jr
- Institute of Chemistry, Laboratory of Research in Medicinal Chemistry, Federal University of Alfenas, Alfenas 37133-840, MG, Brazil
| | - Marisa Ionta
- Institute of Biomedical Sciences, Federal University of Alfenas, Alfenas 37130-001, MG, Brazil
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Anticancer Activity–Structure Relationship of Quinolinone-Core Compounds: An Overall Review. Pharm Chem J 2023. [DOI: 10.1007/s11094-023-02794-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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45
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A key role of the WEE1-CDK1 axis in mediating TKI-therapy resistance in FLT3-ITD positive acute myeloid leukemia patients. Leukemia 2023; 37:288-297. [PMID: 36509894 PMCID: PMC9898030 DOI: 10.1038/s41375-022-01785-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 11/30/2022] [Accepted: 12/02/2022] [Indexed: 12/14/2022]
Abstract
The insertion site of the internal tandem duplications (ITDs) in the FLT3 gene affects the sensitivity to tyrosine kinase inhibitors (TKIs) therapy in acute myeloid leukemia (AML). Patients with the ITD in the tyrosine kinase domain lack effective therapeutic options. Here, to identify genotype-driven strategies increasing the TKI therapy efficacy, we developed SignalingProfiler, a strategy supporting the integration of high-sensitive mass spectrometry-based (phospho)proteomics, RNA sequencing datasets with literature-derived signaling networks. The approach generated FLT3-ITD genotype-specific predictive models and revealed a conserved role of the WEE1-CDK1 axis in TKIs resistance. Remarkably, pharmacological inhibition of the WEE1 kinase synergizes and strengthens the pro-apoptotic effect of TKIs therapy in cell lines and patient-derived primary blasts. Finally, we propose a new molecular mechanism of TKIs resistance in AML and suggest the combination of WEE1 inhibitor and TKI as a therapeutic option to improve patients clinical outcome.
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Lin CI, Chen ZC, Chen CH, Chang YH, Lee TC, Tang TT, Yu TW, Yang CM, Tsai MC, Huang CC, Yang TW, Lin CC, Wang RH, Chiou GY, Jong YJ, Chao JI. Co-inhibition of Aurora A and Haspin kinases enhances survivin blockage and p53 induction for mitotic catastrophe and apoptosis in human colorectal cancer. Biochem Pharmacol 2022; 206:115289. [PMID: 36241092 DOI: 10.1016/j.bcp.2022.115289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 10/01/2022] [Accepted: 10/03/2022] [Indexed: 12/13/2022]
Abstract
Colorectal cancer (CRC) is a leading cause and mortality worldwide. Aurora A and haspin kinases act pivotal roles in mitotic progression. However, the blockage of Aurora A and Haspin for CRC therapy is still unclear. Here we show that the Haspin and p-H3T3 protein levels were highly expressed in CRC tumor tissues of clinical patients. Overexpression of Haspin increased the protein levels of p-H3T3 and survivin in human CRC cells; conversely, the protein levels of p-H3T3 and survivin were decreased by the Haspin gene knockdown. Moreover, the gene knockdown of Aurora A induced abnormal chromosome segregation, mitotic catastrophe, and cell growth inhibition. Combined targeted by co-treatment of CHR6494, a Haspin inhibitor, and MLN8237, an Aurora A inhibitor, enhanced apoptosis and CRC tumor inhibition. MLN8237 and CHR6494 induced abnormal chromosome segregation and mitotic catastrophe. Meanwhile, MLN8237 and CHR6494 inhibited survivin protein levels but conversely induced p53 protein expression. Ectopic survivin expression by transfection with a survivin-expressed vector resisted the cell death in the MLN8237- and CHR6494-treated cells. In contrast, the existence of functional p53 increased the apoptotic levels by treatment with MLN8237 and CHR6494. Co-treatment of CHR6494 and MLN8237 enhanced the blockage of human CRC xenograft tumors in nude mice. Taken together, co-inhibition of Aurora A and Haspin enhances survivin inhibition, p53 pathway induction, mitotic catastrophe, apoptosis and tumor inhibition that may provide a potential strategy for CRC therapy.
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Affiliation(s)
- Chien-I Lin
- Department of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
| | - Zan-Chu Chen
- Department of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
| | - Chien-Hung Chen
- Department of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
| | - Yun-Hsuan Chang
- Department of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
| | - Tsai-Chia Lee
- Department of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
| | - Tsai-Tai Tang
- Department of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
| | - Tzu-Wei Yu
- Department of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
| | - Chih-Man Yang
- Institute of Molecular Medicine and Bioengineering, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
| | - Ming-Chang Tsai
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Chung Shan Medical University Hospital, Taichung, Taiwan; Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan; School of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Chi-Chou Huang
- Division of Colon and Rectum, Department of Surgery, Chung Shan Medical University Hospital, Taichung, Taiwan; School of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Tzu-Wei Yang
- Institute of Molecular Medicine and Bioengineering, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan; School of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Chun-Che Lin
- Institute of Molecular Medicine and Bioengineering, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan; School of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Rou-Hsin Wang
- Department of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
| | - Guang-Yuh Chiou
- Department of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
| | - Yuh-Jyh Jong
- Department of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan; Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan; Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung 807, Taiwan; Departments of Pediatrics and Laboratory Medicine, and Translational Research Center of Neuromuscular Diseases, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
| | - Jui-I Chao
- Department of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan; Institute of Molecular Medicine and Bioengineering, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan; Center For Intelligent Drug Systems and Smart Bio-devices, National Yang Ming Chiao Tung University, Hsinchu 30068, Taiwan.
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Bousquet PA, Manna D, Sandvik JA, Arntzen MØ, Moreno E, Sandvig K, Krengel U. SILAC-based quantitative proteomics and microscopy analysis of cancer cells treated with the N-glycolyl GM3-specific anti-tumor antibody 14F7. Front Immunol 2022; 13:994790. [DOI: 10.3389/fimmu.2022.994790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 10/20/2022] [Indexed: 11/10/2022] Open
Abstract
Cancer immunotherapy represents a promising approach to specifically target and treat cancer. The most common mechanisms by which monoclonal antibodies kill cells include antibody-dependent cell-mediated cytotoxicity, complement-dependent cytotoxicity and apoptosis, but also other mechanisms have been described. 14F7 is an antibody raised against the tumor-associated antigen NeuGc GM3, which was previously reported to kill cancer cells without inducing apoptotic pathways. The antibody was reported to induce giant membrane lesions in tumor cells, with apparent changes in the cytoskeleton. Here, we investigated the effect of humanized 14F7 on HeLa cells using stable isotope labeling with amino acids in cell culture (SILAC) in combination with LC-MS and live cell imaging. 14F7 did not kill the HeLa cells, however, it caused altered protein expression (MS data are available via ProteomeXchange with identifier PXD024320). Several cytoskeletal and nucleic-acid binding proteins were found to be strongly down-regulated in response to antibody treatment, suggesting how 14F7 may induce membrane lesions in cells that contain higher amounts of NeuGc GM3. The altered expression profile identified in this study thus contributes to an improved understanding of the unusual killing mechanism of 14F7.
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Cohen E, Johnson C, Redmond CJ, Nair RR, Coulombe PA. Revisiting the significance of keratin expression in complex epithelia. J Cell Sci 2022; 135:jcs260594. [PMID: 36285538 PMCID: PMC10658788 DOI: 10.1242/jcs.260594] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 09/08/2022] [Indexed: 03/17/2023] Open
Abstract
A large group of keratin genes (n=54 in the human genome) code for intermediate filament (IF)-forming proteins and show differential regulation in epithelial cells and tissues. Keratin expression can be highly informative about the type of epithelial tissue, differentiation status of constituent cells and biological context (e.g. normal versus diseased settings). The foundational principles underlying the use of keratin expression to gain insight about epithelial cells and tissues primarily originated in pioneering studies conducted in the 1980s. The recent emergence of single cell transcriptomics provides an opportunity to revisit these principles and gain new insight into epithelial biology. Re-analysis of single-cell RNAseq data collected from human and mouse skin has confirmed long-held views regarding the quantitative importance and pairwise regulation of specific keratin genes in keratinocytes of surface epithelia. Furthermore, such analyses confirm and extend the notion that changes in keratin gene expression occur gradually as progenitor keratinocytes commit to and undergo differentiation, and challenge the prevailing assumption that specific keratin combinations reflect a mitotic versus a post-mitotic differentiating state. Our findings provide a blueprint for similar analyses in other tissues, and warrant a more nuanced approach in the use of keratin genes as biomarkers in epithelia.
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Affiliation(s)
- Erez Cohen
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Craig Johnson
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Catherine J. Redmond
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Raji R. Nair
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Pierre A. Coulombe
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI 48109, USA
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, MI 48109, USA
- Rogel Cancer Center, University of Michigan Medical School, Ann Arbor, MI 48109, USA
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eIF4B mRNA Translation Contributes to Cleavage Dynamics in Early Sea Urchin Embryos. BIOLOGY 2022; 11:biology11101408. [PMID: 36290313 PMCID: PMC9598784 DOI: 10.3390/biology11101408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 09/14/2022] [Accepted: 09/20/2022] [Indexed: 11/17/2022]
Abstract
Simple Summary Cell division, also known as mitosis, relies on a complex cascade of molecular events that orchestrates the whole process and decides when cells can start dividing. A key factor in this process is protein synthesis, which is carefully regulated inside the cell to assure the timely production of all the proteins required for mitosis. The embryos of sea urchins divide rapidly after fertilization and represent an informative model to analyze the role of protein synthesis regulation during cell cycle progression. For example, the analysis in the 1980s of sea urchin embryos fostered the discovery of Cyclin B, the first representative of a family of proteins that plays a universal role in controlling cell division. This finding was awarded in 2001 with the Nobel Prize in Physiology and Medicine. However, much remains to be learned, and how protein synthesis controls the time and speed of mitosis in a developing embryo is still unclear. For instance, discovering whether the translation of other mRNAs than mitotic cyclins is required to finely regulate the rate of embryonic cleavage has never been tested. In this work, we investigated the role of the translation of an mRNA encoding a protein called eIF4B in the dynamics of embryonic cell division. We showed that newly synthesized eIF4B directly impacts cell division rates in two sea urchin species. Cell divisions are delayed when the production of eIF4B is inhibited in a fertilized egg. Conversely, increased production of eIF4B accelerates mitosis. Therefore, eIF4B mRNA translation represents a new means to regulate the pace of embryonic cleavages. Moreover, since eIF4B is a translational regulator, our findings suggest that the function of its mRNA translation is boosting the production of other proteins essential for mitosis. The cells of the sea urchin embryos seem thus equipped with a controlling device capable of modulating cell division rates, a molecular switch that could contribute to coordinating the first steps of development in other animals as well. Abstract During the first steps of sea urchin development, fertilization elicits a marked increase in protein synthesis essential for subsequent cell divisions. While the translation of mitotic cyclin mRNAs is crucial, we hypothesized that additional mRNAs must be translated to finely regulate the onset into mitosis. One of the maternal mRNAs recruited onto active polysomes at this stage codes for the initiation factor eIF4B. Here, we show that the sea urchin eIF4B orthologs present the four specific domains essential for eIF4B function and that Paracentrotus lividus eIF4B copurifies with eIF4E in a heterologous system. In addition, we investigated the role of eIF4B mRNA de novo translation during the two first embryonic divisions of two species, P. lividus and Sphaerechinus granularis. Our results show that injection of a morpholino directed against eIF4B mRNA results in a downregulation of translational activity and delays cell division in these two echinoids. Conversely, injection of an mRNA encoding for P. lividus eIF4B stimulates translation and significantly accelerates cleavage rates. Taken together, our findings suggest that eIF4B mRNA de novo translation participates in a conserved regulatory loop that contributes to orchestrating protein synthesis and modulates cell division rhythm during early sea urchin development.
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Zhang F, Wei M, Chen H, Ji L, Nie Y, Kang J. The genomic stability regulator PTIP is required for proper chromosome segregation in mitosis. Cell Div 2022; 17:5. [PMID: 36153541 PMCID: PMC9509598 DOI: 10.1186/s13008-022-00081-4] [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: 02/11/2022] [Accepted: 09/13/2022] [Indexed: 11/10/2022] Open
Abstract
Background The Pax transcription activation domain-interacting protein (PTIP) is a nuclear protein that is an essential component of H3K4 methylation for gene activation in vascular, kidney, B cell, and adipocyte development. Furthermore, it plays a key role in genomic stability in higher eukaryotic cells. It binds to 53BP1 and antagonizes inappropriate homologous recombination for a proper DNA damage response. Interestingly, an early study reported mitotic defects after PTIP inactivation, but it is not clear whether PTIP directly facilitates mitotic processes. Results Here, we showed that PTIP is essential for the mitotic integrity of HeLa cells. PTIP inactivation increases cell death during mitotic exit, which appears to result from direct mitotic defects. PTIP inactivation did not affect the G2M DNA damage checkpoint during interphase upon etoposide treatment. However, in mitosis, PTIP inactivation results in prolonged mitotic time, inefficient chromosome alignment, and increased cell death. Furthermore, PTIP localizes to the mitotic centrosome via BRCT domains at the C-terminus. Conclusion This study reveals a novel function of PTIP in maintaining the genomic stability of higher eukaryotes during mitosis. Therefore, its deregulation, which occurs in various tumors, may destabilize the genome by introducing an abnormal DNA damage response, as well as erroneous chromosome segregation. Supplementary Information The online version contains supplementary material available at 10.1186/s13008-022-00081-4.
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