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He Y, Li B, Zhao X, Pan L, Liu Y, Lan C, Deng F, Fu W, Zhang Y, Zuo X. Association between CACNA1D polymorphisms and hypospadias in a southern Chinese population. J Pediatr Urol 2024; 20:438.e1-438.e11. [PMID: 38378373 DOI: 10.1016/j.jpurol.2024.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 02/01/2024] [Accepted: 02/03/2024] [Indexed: 02/22/2024]
Abstract
BACKGROUND Hypospadias is a congenital genitourinary malformation, with the etiology remaining complex and poorly understood. Despite several genes have been identified to be associated with the risk of hypospadias, current understanding of the susceptibility loci for hypospadias yet remained largely improved. The CACNA1D gene encodes calcium voltage-gated channel subunit alpha 1d and may be involved in androgen signaling. However, the genetic susceptibility of CACNA1D associated with hypospadias has yet been addressed. OBJECTIVE To evaluate the association between CACNA1D polymorphisms and the susceptibility to hypospadias. METHODS In this study, we accessed the association between two potential regulatory SNPs (rs3774491 and rs898415) within CACNA1D and hypospadias in a cohort of southern Chinese population which comprised of 740 cases and 948 healthy individuals. Both SNP and haplotypic associations were evaluated. Bioinformatic analysis of the regulatory abilities of the CACNA1D SNPs were carried out by utilizing public ChIP-seq and DNase-seq data. The expression of Cacna1d in mouse external genitalia and testis was evaluated by qPCR. RESULTS We found that the allele C in rs3774491 and allele G in rs898415 were significantly associated with an increased risk of hypospadias, especially for proximal hypospadias. Further model-based genotypic analyses showed that these association were prominent in additive model and recessive models. Bioinformatic analyses indicated that both SNPs were colocalized with DNase and multiple histone marker across multiple tissues, suggesting the regulatory potentials for these variants. Cacna1d is detectable in both testis and external genitalia of mouse, but the expression level was more prominent in testis than that in external genitalia, suggesting tissue-specific differences in its expression. CONCLUSION Our findings provide evidence for CACNA1D as a novel predisposing gene for hypospadias, shedding new light on the genetic basis of malformation of urinary tract. Further investigations are warranted to elucidate the functional implication of CACNA1D underlying the development of hypospadias. LEVEL OF EVIDENCE N/A.
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Affiliation(s)
- Ye He
- School of Medicine, South China University of Technology, Guangzhou, 510006, Guangdong, China; Department of Pediatric Surgery, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children's Medical Center, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China
| | - Binyao Li
- Department of Pediatric Surgery, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children's Medical Center, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China; Department of Pediatric Urology, Guangzhou Women and Children's Medical Center, Guangzhou, 510623, China
| | - Xinying Zhao
- Department of Pediatric Surgery, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children's Medical Center, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China
| | - Lingling Pan
- Department of Pediatric Surgery, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children's Medical Center, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China
| | - Yanqing Liu
- Department of Pediatric Surgery, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children's Medical Center, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China
| | - Chaoting Lan
- Department of Pediatric Surgery, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children's Medical Center, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China
| | - Fuming Deng
- Department of Pediatric Surgery, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children's Medical Center, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China; Department of Pediatric Urology, Guangzhou Women and Children's Medical Center, Guangzhou, 510623, China
| | - Wen Fu
- Department of Pediatric Surgery, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children's Medical Center, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China; Department of Pediatric Urology, Guangzhou Women and Children's Medical Center, Guangzhou, 510623, China
| | - Yan Zhang
- School of Medicine, South China University of Technology, Guangzhou, 510006, Guangdong, China; Department of Pediatric Surgery, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children's Medical Center, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China.
| | - Xiaoyu Zuo
- Department of Pediatric Surgery, Guangdong Provincial Key Laboratory of Research in Structural Birth Defect Disease, Guangzhou Women and Children's Medical Center, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China.
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Yedla P, Bhamidipati P, Syed R, Amanchy R. Working title: Molecular involvement of p53-MDM2 interactome in gastrointestinal cancers. Cell Biochem Funct 2024; 42:e4075. [PMID: 38924101 DOI: 10.1002/cbf.4075] [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: 02/16/2024] [Revised: 05/30/2024] [Accepted: 06/04/2024] [Indexed: 06/28/2024]
Abstract
The interaction between murine double minute 2 (MDM2) and p53, marked by transcriptional induction and feedback inhibition, orchestrates a functional loop dictating cellular fate. The functional loop comprising p53-MDM2 axis is made up of an interactome consisting of approximately 81 proteins, which are spatio-temporally regulated and involved in DNA repair mechanisms. Biochemical and genetic alterations of the interactome result in dysregulation of the p53-mdm2 axis that leads to gastrointestinal (GI) cancers. A large subset of interactome is well known and it consists of proteins that either stabilize p53 or MDM2 and proteins that target the p53-MDM2 complex for ubiquitin-mediated destruction. Upstream signaling events brought about by growth factors and chemical messengers invoke a wide variety of posttranslational modifications in p53-MDM2 axis. Biochemical changes in the transactivation domain of p53 impact the energy landscape, induce conformational switching, alter interaction potential and could change solubility of p53 to redefine its co-localization, translocation and activity. A diverse set of chemical compounds mimic physiological effectors and simulate biochemical modifications of the p53-MDM2 interactome. p53-MDM2 interactome plays a crucial role in DNA damage and repair process. Genetic aberrations in the interactome, have resulted in cancers of GI tract (pancreas, liver, colorectal, gastric, biliary, and esophageal). We present in this article a review of the overall changes in the p53-MDM2 interactors and the effectors that form an epicenter for the development of next-generation molecules for understanding and targeting GI cancers.
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Affiliation(s)
- Poornachandra Yedla
- Division of Applied Biology, CSIR-IICT (Indian Institute of Chemical Technology), Ministry of Science and Technology (GOI), Hyderabad, Telangana, India
- Department of Pharmacogenomics, Institute of Translational Research, Asian Healthcare Foundation, Hyderabad, Telangana, India
| | - Pranav Bhamidipati
- Division of Applied Biology, CSIR-IICT (Indian Institute of Chemical Technology), Ministry of Science and Technology (GOI), Hyderabad, Telangana, India
- Department of Life Sciences, Imperial College London, London, UK
| | - Riyaz Syed
- Division of Applied Biology, CSIR-IICT (Indian Institute of Chemical Technology), Ministry of Science and Technology (GOI), Hyderabad, Telangana, India
| | - Ramars Amanchy
- Division of Applied Biology, CSIR-IICT (Indian Institute of Chemical Technology), Ministry of Science and Technology (GOI), Hyderabad, Telangana, India
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Sardar S, McNair CM, Ravindranath L, Chand SN, Yuan W, Bogdan D, Welti J, Sharp A, Ryan NK, Schiewer MJ, DeArment EG, Janas T, Su XA, Butler LM, de Bono JS, Frese K, Brooks N, Pegg N, Knudsen KE, Shafi AA. AR coactivators, CBP/p300, are critical mediators of DNA repair in prostate cancer. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.07.592966. [PMID: 38766099 PMCID: PMC11100730 DOI: 10.1101/2024.05.07.592966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
Castration resistant prostate cancer (CRPC) remains an incurable disease stage with ineffective treatments options. Here, the androgen receptor (AR) coactivators CBP/p300, which are histone acetyltransferases, were identified as critical mediators of DNA damage repair (DDR) to potentially enhance therapeutic targeting of CRPC. Key findings demonstrate that CBP/p300 expression increases with disease progression and selects for poor prognosis in metastatic disease. CBP/p300 bromodomain inhibition enhances response to standard of care therapeutics. Functional studies, CBP/p300 cistrome mapping, and transcriptome in CRPC revealed that CBP/p300 regulates DDR. Further mechanistic investigation showed that CBP/p300 attenuation via therapeutic targeting and genomic knockdown decreases homologous recombination (HR) factors in vitro, in vivo, and in human prostate cancer (PCa) tumors ex vivo. Similarly, CBP/p300 expression in human prostate tissue correlates with HR factors. Lastly, targeting CBP/p300 impacts HR-mediate repair and patient outcome. Collectively, these studies identify CBP/p300 as drivers of PCa tumorigenesis and lay the groundwork to optimize therapeutic strategies for advanced PCa via CBP/p300 inhibition, potentially in combination with AR-directed and DDR therapies.
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Affiliation(s)
- Sumaira Sardar
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland, 20817, USA
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, 20817 USA
| | - Christopher M. McNair
- Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania, 19107, USA
| | - Lakshmi Ravindranath
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland, 20817, USA
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, 20817 USA
| | - Saswati N. Chand
- Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania, 19107, USA
| | - Wei Yuan
- The Institute of Cancer Research, London, United Kingdom
| | - Denisa Bogdan
- The Institute of Cancer Research, London, United Kingdom
| | - Jon Welti
- The Institute of Cancer Research, London, United Kingdom
| | - Adam Sharp
- The Institute of Cancer Research, London, United Kingdom
- The Royal Marsden Hospital, London, United Kingdom
| | - Natalie K. Ryan
- South Australian Immunogenomics Cancer Institute, The University of Adelaide, Australia
- South Australian Health and Medical Research Institute, Adelaide, Australia
| | - Matthew J. Schiewer
- Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, Pennsylvania, 19107, USA
| | - Elise G. DeArment
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland, 20817, USA
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, 20817 USA
| | - Thomas Janas
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland, 20817, USA
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, 20817 USA
| | - Xiaofeng A. Su
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland, 20817, USA
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, 20817 USA
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Lisa M. Butler
- South Australian Immunogenomics Cancer Institute, The University of Adelaide, Australia
- South Australian Health and Medical Research Institute, Adelaide, Australia
| | - Johann S. de Bono
- The Institute of Cancer Research, London, United Kingdom
- The Royal Marsden Hospital, London, United Kingdom
| | - Kris Frese
- CellCentric Ltd., Cambridge, United Kingdom
| | | | - Neil Pegg
- CellCentric Ltd., Cambridge, United Kingdom
| | - Karen E. Knudsen
- The American Cancer Society, Philadelphia, Pennsylvania, 19103, USA
| | - Ayesha A. Shafi
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland, 20817, USA
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, Maryland, 20817 USA
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Li X, Xiong H, Mou X, Huang C, Thomas ER, Yu W, Jiang Y, Chen Y. Androgen receptor cofactors: A potential role in understanding prostate cancer. Biomed Pharmacother 2024; 173:116338. [PMID: 38417290 DOI: 10.1016/j.biopha.2024.116338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Revised: 02/19/2024] [Accepted: 02/23/2024] [Indexed: 03/01/2024] Open
Abstract
Prostate cancer (PCa) is witnessing a concerning rise in incidence annually, with the androgen receptor (AR) emerging as a pivotal contributor to its growth and progression. Mounting evidence underscores the AR's ability to recruit cofactors, influencing downstream gene transcription and thereby fueling the proliferation and metastasis of PCa cells. Although, clinical strategies involving AR antagonists provide some relief, managing castration resistant prostate cancer (CRPC) remains a formidable challenge. Thus, the need of the hour lies in unearthing new drugs or therapeutic targets to effectively combat PCa. This review encapsulates the pivotal roles played by coactivators and corepressors of AR, notably androgen receptor-associated protein (ARA) and steroid receptor Coactivators (SRC) in PCa. Our data unveils how these cofactors intricately modulate histone modifications, cell cycling, SUMOylation, and apoptosis through their interactions with AR. Among the array of cofactors scrutinised, such as ARA70β, ARA24, ARA160, ARA55, ARA54, PIAS1, PIAS3, SRC1, SRC2, SRC3, PCAF, p300/CBP, MED1, and CARM1, several exhibit upregulation in PCa. Conversely, other cofactors like ARA70α, PIASy, and NCoR/SMRT demonstrate downregulation. This duality underscores the complexity of AR cofactor dynamics in PCa. Based on our findings, we propose that manipulating cofactor regulation to modulate AR function holds promise as a novel therapeutic avenue against advanced PCa. This paradigm shift offers renewed hope in the quest for effective treatments in the face of CRPC's formidable challenges.
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Affiliation(s)
- Xiang Li
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southwest Medical University, Luzhou, China
| | - Haojun Xiong
- Department of Dermatology, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Xingzhu Mou
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southwest Medical University, Luzhou, China; Department of Dermatology, The Affiliated Hospital, Southwest Medical University, Luzhou, China
| | - Cancan Huang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southwest Medical University, Luzhou, China; Department of Dermatology, The Affiliated Hospital, Southwest Medical University, Luzhou, China
| | | | - Wenjing Yu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southwest Medical University, Luzhou, China
| | - Yu Jiang
- The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, China.
| | - Yan Chen
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Southwest Medical University, Luzhou, China; Department of Dermatology, The Affiliated Hospital, Southwest Medical University, Luzhou, China.
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5
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Xiang Q, Wu T, Zhang C, Wang C, Xu H, Hu Q, Hu J, Luo G, Zhuang X, Wu X, Zhang Y, Xu Y. Discovery of a potent and selective CBP bromodomain inhibitor (Y08262) for treating acute myeloid leukemia. Bioorg Chem 2024; 142:106950. [PMID: 37924753 DOI: 10.1016/j.bioorg.2023.106950] [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: 09/24/2023] [Revised: 10/22/2023] [Accepted: 10/27/2023] [Indexed: 11/06/2023]
Abstract
The bromodomain of CREB (cyclic-AMP response element binding protein) binding protein (CBP) is an epigenetic "reader" and plays a key role in transcriptional regulation. CBP bromodomain is considered to be a promising therapeutic target for acute myeloid leukemia (AML). Herein, we report the discovery of a series of 1-(indolizin-3-yl)ethan-1-one derivatives as potent, and selective CBP bromodomain inhibitors focused on improving cellular potency. One of the most promising compounds, 7e (Y08262), inhibits the CBP bromodomain at the nanomolar level (IC50 = 73.1 nM) with remarkable selectivity. In addition, the new inhibitor also displays potent inhibitory activities in AML cell lines. Collectively, this study provides a new lead compound for further validation of CBP bromodomain as a molecular target for AML drug development.
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Affiliation(s)
- Qiuping Xiang
- Ningbo No. 2 Hospital, Ningbo, Zhejiang 315010, China; Guoke Ningbo Life Science and Health Industry Research Institute, Ningbo, Zhejiang 315010, China.
| | - Tianbang Wu
- Key Laboratory of Structure-Based Drugs Design & Discovery of Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, China; Center for Chemical Biology and Drug Discovery, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, No. 190 Kaiyuan Avenue, Guangzhou 510530, China
| | - Cheng Zhang
- Center for Chemical Biology and Drug Discovery, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, No. 190 Kaiyuan Avenue, Guangzhou 510530, China
| | - Chao Wang
- Center for Chemical Biology and Drug Discovery, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, No. 190 Kaiyuan Avenue, Guangzhou 510530, China
| | - Hongrui Xu
- Center for Chemical Biology and Drug Discovery, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, No. 190 Kaiyuan Avenue, Guangzhou 510530, China; GMU-GIBH Joint School of Life Sciences, Guangzhou Medical University, Guangzhou 511436, China
| | - Qingqing Hu
- Center for Chemical Biology and Drug Discovery, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, No. 190 Kaiyuan Avenue, Guangzhou 510530, China
| | - Jiankang Hu
- Center for Chemical Biology and Drug Discovery, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, No. 190 Kaiyuan Avenue, Guangzhou 510530, China; University of Chinese Academy of Sciences, No. 19 Yuquan Road, Beijing 100049, China
| | - Guolong Luo
- Center for Chemical Biology and Drug Discovery, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, No. 190 Kaiyuan Avenue, Guangzhou 510530, China
| | - Xiaoxi Zhuang
- Center for Chemical Biology and Drug Discovery, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, No. 190 Kaiyuan Avenue, Guangzhou 510530, China
| | - Xishan Wu
- Center for Chemical Biology and Drug Discovery, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, No. 190 Kaiyuan Avenue, Guangzhou 510530, China
| | - Yan Zhang
- Center for Chemical Biology and Drug Discovery, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, No. 190 Kaiyuan Avenue, Guangzhou 510530, China.
| | - Yong Xu
- Key Laboratory of Structure-Based Drugs Design & Discovery of Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, China; Center for Chemical Biology and Drug Discovery, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, No. 190 Kaiyuan Avenue, Guangzhou 510530, China; China-New Zealand Joint Laboratory on Biomedicine and Health, Guangzhou 510530, China; State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China.
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6
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Chen G, Bao B, Cheng Y, Tian M, Song J, Zheng L, Tong Q. Acetyl-CoA metabolism as a therapeutic target for cancer. Biomed Pharmacother 2023; 168:115741. [PMID: 37864899 DOI: 10.1016/j.biopha.2023.115741] [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: 08/16/2023] [Revised: 10/16/2023] [Accepted: 10/16/2023] [Indexed: 10/23/2023] Open
Abstract
Acetyl-coenzyme A (acetyl-CoA), an essential metabolite, not only takes part in numerous intracellular metabolic processes, powers the tricarboxylic acid cycle, serves as a key hub for the biosynthesis of fatty acids and isoprenoids, but also serves as a signaling substrate for acetylation reactions in post-translational modification of proteins, which is crucial for the epigenetic inheritance of cells. Acetyl-CoA links lipid metabolism with histone acetylation to create a more intricate regulatory system that affects the growth, aggressiveness, and drug resistance of malignancies such as glioblastoma, breast cancer, and hepatocellular carcinoma. These fascinating advances in the knowledge of acetyl-CoA metabolism during carcinogenesis and normal physiology have raised interest regarding its modulation in malignancies. In this review, we provide an overview of the regulation and cancer relevance of main metabolic pathways in which acetyl-CoA participates. We also summarize the role of acetyl-CoA in the metabolic reprogramming and stress regulation of cancer cells, as well as medical application of inhibitors targeting its dysregulation in therapeutic intervention of cancers.
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Affiliation(s)
- Guo Chen
- Department of Pediatric Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, Hubei Province, PR China
| | - Banghe Bao
- Department of Pathology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, Hubei Province, PR China
| | - Yang Cheng
- Department of Pediatric Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, Hubei Province, PR China
| | - Minxiu Tian
- Department of Pathology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, Hubei Province, PR China
| | - Jiyu Song
- Department of Pathology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, Hubei Province, PR China
| | - Liduan Zheng
- Department of Pathology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, Hubei Province, PR China.
| | - Qiangsong Tong
- Department of Pediatric Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan 430022, Hubei Province, PR China.
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Talukdar PD, Chatterji U. Transcriptional co-activators: emerging roles in signaling pathways and potential therapeutic targets for diseases. Signal Transduct Target Ther 2023; 8:427. [PMID: 37953273 PMCID: PMC10641101 DOI: 10.1038/s41392-023-01651-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 08/27/2023] [Accepted: 09/10/2023] [Indexed: 11/14/2023] Open
Abstract
Specific cell states in metazoans are established by the symphony of gene expression programs that necessitate intricate synergic interactions between transcription factors and the co-activators. Deregulation of these regulatory molecules is associated with cell state transitions, which in turn is accountable for diverse maladies, including developmental disorders, metabolic disorders, and most significantly, cancer. A decade back most transcription factors, the key enablers of disease development, were historically viewed as 'undruggable'; however, in the intervening years, a wealth of literature validated that they can be targeted indirectly through transcriptional co-activators, their confederates in various physiological and molecular processes. These co-activators, along with transcription factors, have the ability to initiate and modulate transcription of diverse genes necessary for normal physiological functions, whereby, deregulation of such interactions may foster tissue-specific disease phenotype. Hence, it is essential to analyze how these co-activators modulate specific multilateral processes in coordination with other factors. The proposed review attempts to elaborate an in-depth account of the transcription co-activators, their involvement in transcription regulation, and context-specific contributions to pathophysiological conditions. This review also addresses an issue that has not been dealt with in a comprehensive manner and hopes to direct attention towards future research that will encompass patient-friendly therapeutic strategies, where drugs targeting co-activators will have enhanced benefits and reduced side effects. Additional insights into currently available therapeutic interventions and the associated constraints will eventually reveal multitudes of advanced therapeutic targets aiming for disease amelioration and good patient prognosis.
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Affiliation(s)
- Priyanka Dey Talukdar
- Cancer Research Laboratory, Department of Zoology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, 700019, West Bengal, India
| | - Urmi Chatterji
- Cancer Research Laboratory, Department of Zoology, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, 700019, West Bengal, India.
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Pan Z, Zhao Y, Wang X, Xie X, Liu M, Zhang K, Wang L, Bai D, Foster LJ, Shu R, He G. Targeting bromodomain-containing proteins: research advances of drug discovery. MOLECULAR BIOMEDICINE 2023; 4:13. [PMID: 37142850 PMCID: PMC10159834 DOI: 10.1186/s43556-023-00127-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 04/02/2023] [Indexed: 05/06/2023] Open
Abstract
Bromodomain (BD) is an evolutionarily conserved protein module found in 46 different BD-containing proteins (BCPs). BD acts as a specific reader for acetylated lysine residues (KAc) and serves an essential role in transcriptional regulation, chromatin remodeling, DNA damage repair, and cell proliferation. On the other hand, BCPs have been shown to be involved in the pathogenesis of a variety of diseases, including cancers, inflammation, cardiovascular diseases, and viral infections. Over the past decade, researchers have brought new therapeutic strategies to relevant diseases by inhibiting the activity or downregulating the expression of BCPs to interfere with the transcription of pathogenic genes. An increasing number of potent inhibitors and degraders of BCPs have been developed, some of which are already in clinical trials. In this paper, we provide a comprehensive review of recent advances in the study of drugs that inhibit or down-regulate BCPs, focusing on the development history, molecular structure, biological activity, interaction with BCPs and therapeutic potentials of these drugs. In addition, we discuss current challenges, issues to be addressed and future research directions for the development of BCPs inhibitors. Lessons learned from the successful or unsuccessful development experiences of these inhibitors or degraders will facilitate the further development of efficient, selective and less toxic inhibitors of BCPs and eventually achieve drug application in the clinic.
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Affiliation(s)
- Zhaoping Pan
- Department of Dermatology & Venerology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
- Laboratory of Dermatology, Clinical Institute of Inflammation and Immunology (CIII), Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Yuxi Zhao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Disease, Department of Orthodontics and Pediatrics, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Xiaoyun Wang
- Department of Dermatology & Venerology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
- Laboratory of Dermatology, Clinical Institute of Inflammation and Immunology (CIII), Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Xin Xie
- College of Medical Technology and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
- Michael Smith Laboratories, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada
| | - Mingxia Liu
- Department of Dermatology & Venerology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Kaiyao Zhang
- Department of Dermatology & Venerology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Lian Wang
- Department of Dermatology & Venerology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Ding Bai
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Disease, Department of Orthodontics and Pediatrics, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Leonard J Foster
- Michael Smith Laboratories, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada
| | - Rui Shu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Disease, Department of Orthodontics and Pediatrics, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China.
| | - Gu He
- Department of Dermatology & Venerology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China.
- Laboratory of Dermatology, Clinical Institute of Inflammation and Immunology (CIII), Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041, China.
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9
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Effects of the Acetyltransferase p300 on Tumour Regulation from the Novel Perspective of Posttranslational Protein Modification. Biomolecules 2023; 13:biom13030417. [PMID: 36979352 PMCID: PMC10046601 DOI: 10.3390/biom13030417] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 02/17/2023] [Accepted: 02/20/2023] [Indexed: 02/25/2023] Open
Abstract
p300 acts as a transcription coactivator and an acetyltransferase that plays an important role in tumourigenesis and progression. In previous studies, it has been confirmed that p300 is an important regulator in regulating the evolution of malignant tumours and it also has extensive functions. From the perspective of non-posttranslational modification, it has been proven that p300 can participate in regulating many pathophysiological processes, such as activating oncogene transcription, promoting tumour cell growth, inducing apoptosis, regulating immune function and affecting embryo development. In recent years, p300 has been found to act as an acetyltransferase that catalyses a variety of protein modification types, such as acetylation, propanylation, butyylation, 2-hydroxyisobutyration, and lactylation. Under the catalysis of this acetyltransferase, it plays its crucial tumourigenic driving role in many malignant tumours. Therefore, the function of p300 acetyltransferase has gradually become a research hotspot. From a posttranslational modification perspective, p300 is involved in the activation of multiple transcription factors and additional processes that promote malignant biological behaviours, such as tumour cell proliferation, migration, and invasion, as well as tumour cell apoptosis, drug resistance, and metabolism. Inhibitors of p300 have been developed and are expected to become novel anticancer drugs for several malignancies. We review the characteristics of the p300 protein and its functional role in tumour from the posttranslational modification perspective, as well as the current status of p300-related inhibitor research, with a view to gaining a comprehensive understanding of p300.
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10
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Liu M, Zhang K, Li Q, Pang H, Pan Z, Huang X, Wang L, Wu F, He G. Recent Advances on Small-Molecule Bromodomain-Containing Histone Acetyltransferase Inhibitors. J Med Chem 2023; 66:1678-1699. [PMID: 36695774 DOI: 10.1021/acs.jmedchem.2c01638] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
In recent years, substantial research has been conducted on molecular mechanisms and inhibitors targeting bromodomains (BRDs) and extra-terminal (BET) family proteins. On this basis, non-BET BRD is gradually becoming a research hot spot. BRDs are abundant in histone acetyltransferase (HAT)-associated activating transcription factors, and BRD-containing HATs have been linked to cancer, inflammation, and viral replication. Therefore, the development of BRD-containing HATs as chemical probes is useful for understanding the specific biological roles of BRDs in diseases and drug discovery. Several types of BRD-containing HATs, including CBP/P300, PCAF/GCN5, and TAF1, are discussed in this context in terms of their structures, functions, and small-molecule inhibitors. Additionally, progress in BRD inhibitors/chemical probes and proteolysis targeting chimeras in terms of drug design, biological activity, and disease application are summarized. These findings provide insights into the development of BRD inhibitors as potential drug candidates for various diseases.
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Affiliation(s)
- Mingxia Liu
- Department of Dermatology and Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P. R. China.,Laboratory of Dermatology, Clinical Institute of Inflammation and Immunology (CIII), Frontiers Science Center for Disease-related Molecular Network and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu 610041, China
| | - Kaiyao Zhang
- Department of Dermatology and Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P. R. China.,Laboratory of Dermatology, Clinical Institute of Inflammation and Immunology (CIII), Frontiers Science Center for Disease-related Molecular Network and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu 610041, China
| | - Qinjue Li
- West China School of Public Health, Sichuan University, Chengdu, Sichuan 610041, P. R. China
| | - Haiying Pang
- Laboratory of Dermatology, Clinical Institute of Inflammation and Immunology (CIII), Frontiers Science Center for Disease-related Molecular Network and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu 610041, China
| | - Zhaoping Pan
- Department of Dermatology and Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P. R. China
| | - Xiaowei Huang
- Department of Dermatology and Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P. R. China
| | - Lian Wang
- Department of Dermatology and Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P. R. China
| | - Fengbo Wu
- Department of Dermatology and Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P. R. China
| | - Gu He
- Department of Dermatology and Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P. R. China.,Laboratory of Dermatology, Clinical Institute of Inflammation and Immunology (CIII), Frontiers Science Center for Disease-related Molecular Network and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu 610041, China
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11
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Ji Y, Zhang R, Han X, Zhou J. Targeting the N-terminal domain of the androgen receptor: The effective approach in therapy of CRPC. Eur J Med Chem 2023; 247:115077. [PMID: 36587421 DOI: 10.1016/j.ejmech.2022.115077] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 12/28/2022] [Accepted: 12/29/2022] [Indexed: 12/31/2022]
Abstract
The androgen receptor (AR) is dominant in prostate cancer (PCa) pathology. Current therapeutic agents for advanced PCa include androgen synthesis inhibitors and AR antagonists that bind to the hormone binding pocket (HBP) at the ligand binding domain (LBD). However, AR amplification, AR splice variants (AR-Vs) expression, and intra-tumoral de novo synthesis of androgens result in the reactivation of AR signalling. The AR N-terminal domain (NTD) plays an essential role in AR transcriptional activity. The AR inhibitor targeting NTD could potentially block the activation of both full-length AR and AR-Vs, thus overcoming major resistance mechanisms to current treatments. This review discusses the progress of research in various NTD inhibitors and provides new insight into the development of AR-NTD inhibitors.
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Affiliation(s)
- Yang Ji
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua, 321004, PR China; Drug Development and Innovation Center, College of Chemistry and Life Sciences, Zhejiang Normal University, 688 Yingbin Road, Jinhua, 321004, PR China
| | - Rongyu Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua, 321004, PR China; Drug Development and Innovation Center, College of Chemistry and Life Sciences, Zhejiang Normal University, 688 Yingbin Road, Jinhua, 321004, PR China
| | - Xiaoli Han
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua, 321004, PR China; Drug Development and Innovation Center, College of Chemistry and Life Sciences, Zhejiang Normal University, 688 Yingbin Road, Jinhua, 321004, PR China
| | - Jinming Zhou
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua, 321004, PR China; Drug Development and Innovation Center, College of Chemistry and Life Sciences, Zhejiang Normal University, 688 Yingbin Road, Jinhua, 321004, PR China.
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12
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Dang F, Wei W. Targeting the acetylation signaling pathway in cancer therapy. Semin Cancer Biol 2022; 85:209-218. [PMID: 33705871 PMCID: PMC8423867 DOI: 10.1016/j.semcancer.2021.03.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 02/22/2021] [Accepted: 03/02/2021] [Indexed: 12/12/2022]
Abstract
Acetylation represents one of the major post-translational protein modifications, which introduces an acetyl functional group into amino acids such as the lysine residue to yield an acetate ester bond, neutralizing its positive charge. Regulation of protein functions by acetylation occurs in multiple ways, such as affecting protein stability, activity, localization, and interaction with other proteins or DNA. It has been well documented that the recruitment of histone acetyltransferases (HATs) and histone deacetylases (HDACs) to the transcriptional machinery can modulate histone acetylation status, which is directly involved in the dynamic regulation of genes controlling cell proliferation and division. Dysregulation of gene expression is involved in tumorigenesis and aberrant activation of histone deacetylases has been reported in several types of cancer. Moreover, there is growing body of evidence showing that acetylation is widely involved in non-histone proteins to impact their roles in various cellular processes including tumorigenesis. As such, small molecular compounds inhibiting HAT or HDAC enzymatic activities have been developed and investigated for therapeutic purpose. Here we review the recent progress in our understanding of protein acetylation and discuss the therapeutic potential of targeting the acetylation signaling pathway in cancer.
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Affiliation(s)
- Fabin Dang
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
| | - Wenyi Wei
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA.
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13
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Xu H, Luo G, Wu T, Hu J, Wang C, Wu X, Zhang Y, Xu Y, Xiang Q. Structural insights revealed by the cocrystal structure of CCS1477 in complex with CBP bromodomain. Biochem Biophys Res Commun 2022; 623:17-22. [PMID: 35868068 DOI: 10.1016/j.bbrc.2022.07.021] [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: 06/28/2022] [Revised: 07/05/2022] [Accepted: 07/06/2022] [Indexed: 11/30/2022]
Abstract
Inhibition of the bromodomain of the CREB (cyclic-AMP response element-binding protein) binding protein (CBP) is a particularly promising new therapeutic approach for cancer. Benzimidazole derivatives CCS1477 and its analogues (8 and 9) are highly potent and selective CBP bromodomain inhibitors, with Kd values of 26.4, 37.0, and 34.3 nM in ITC assay, respectively. Among these compounds, CCS1477 is undergoing phase Ib/IIa clinical trials for the treatment of various cancers. Thus, we determined the co-crystal structures of CCS1477 and its analogues in complex with CBP bromodomain and revealed the detailed binding modes. Furthermore, overlapping with other reported co-crystal structures allowed us to identify that interaction with Arg1173, LPF shelf, and ZA channel was critical for keeping strong biological activity and selectivity. Collectively, this study provided a structural basis for CBP bromodomain inhibitors design.
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Affiliation(s)
- Hongrui Xu
- GMU-GIBH Joint School of Life Sciences, Guangzhou Medical University, Guangzhou, 511436, China
| | - Guolong Luo
- Center for Chemical Biology and Drug Discovery, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530, China; University of Chinese Academy of Sciences, No.19 Yuquan Road, Beijing, 100049, China
| | - Tianbang Wu
- Center for Chemical Biology and Drug Discovery, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530, China; Key Laboratory of Structure-Based Drug Design and Discovery of Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Jiankang Hu
- Center for Chemical Biology and Drug Discovery, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530, China; University of Chinese Academy of Sciences, No.19 Yuquan Road, Beijing, 100049, China
| | - Chao Wang
- Center for Chemical Biology and Drug Discovery, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530, China; University of Chinese Academy of Sciences, No.19 Yuquan Road, Beijing, 100049, China
| | - Xishan Wu
- Center for Chemical Biology and Drug Discovery, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530, China
| | - Yan Zhang
- Center for Chemical Biology and Drug Discovery, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530, China.
| | - Yong Xu
- Guangdong Provincial Key Laboratory of Biocomputing, Joint School of Life Sciences, Guangzhou Medical University, Guangzhou, 510530, China; China-New Zealand Joint Laboratory on Biomedicine and Health, Guangzhou, 510530, China; State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530, China.
| | - Qiuping Xiang
- Hwa Mei Hospital, University of Chinese Academy of Sciences, Ningbo, 315000, China; Ningbo Institute of Life and Health Industry, University of Chinese Academy of Sciences, Ningbo, 315000, China.
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14
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Moreira-Silva F, Henrique R, Jerónimo C. From Therapy Resistance to Targeted Therapies in Prostate Cancer. Front Oncol 2022; 12:877379. [PMID: 35686097 PMCID: PMC9170957 DOI: 10.3389/fonc.2022.877379] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 04/25/2022] [Indexed: 12/12/2022] Open
Abstract
Prostate cancer (PCa) is the second most common malignancy among men worldwide. Although early-stage disease is curable, advanced stage PCa is mostly incurable and eventually becomes resistant to standard therapeutic options. Different genetic and epigenetic alterations are associated with the development of therapy resistant PCa, with specific players being particularly involved in this process. Therefore, identification and targeting of these molecules with selective inhibitors might result in anti-tumoral effects. Herein, we describe the mechanisms underlying therapy resistance in PCa, focusing on the most relevant molecules, aiming to enlighten the current state of targeted therapies in PCa. We suggest that selective drug targeting, either alone or in combination with standard treatment options, might improve therapeutic sensitivity of resistant PCa. Moreover, an individualized analysis of tumor biology in each PCa patient might improve treatment selection and therapeutic response, enabling better disease management.
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Affiliation(s)
- Filipa Moreira-Silva
- Cancer Biology and Epigenetics Group, Research Center of IPO Porto (CI-IPOP)/RISE@CI-IPOP (He-alth Research Network), Portuguese Oncology Institute of Porto (IPO Porto)/Porto Comprehensive Cancer Centre (Porto.CCC), Porto, Portugal
| | - Rui Henrique
- Cancer Biology and Epigenetics Group, Research Center of IPO Porto (CI-IPOP)/RISE@CI-IPOP (He-alth Research Network), Portuguese Oncology Institute of Porto (IPO Porto)/Porto Comprehensive Cancer Centre (Porto.CCC), Porto, Portugal.,Department of Pathology, Portuguese Oncology Institute of Porto (IPO Porto), Porto, Portugal.,Department of Pathology and Molecular Immunology, School of Medicine and Biomedical Sciences of the University of Porto (ICBAS-UP), Porto, Portugal
| | - Carmen Jerónimo
- Cancer Biology and Epigenetics Group, Research Center of IPO Porto (CI-IPOP)/RISE@CI-IPOP (He-alth Research Network), Portuguese Oncology Institute of Porto (IPO Porto)/Porto Comprehensive Cancer Centre (Porto.CCC), Porto, Portugal.,Department of Pathology and Molecular Immunology, School of Medicine and Biomedical Sciences of the University of Porto (ICBAS-UP), Porto, Portugal
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15
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Xu Z, Chu M. Advances in Immunosuppressive Agents Based on Signal Pathway. Front Pharmacol 2022; 13:917162. [PMID: 35694243 PMCID: PMC9178660 DOI: 10.3389/fphar.2022.917162] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Accepted: 05/02/2022] [Indexed: 12/13/2022] Open
Abstract
Immune abnormality involves in various diseases, such as infection, allergic diseases, autoimmune diseases, as well as transplantation. Several signal pathways have been demonstrated to play a central role in the immune response, including JAK/STAT, NF-κB, PI3K/AKT-mTOR, MAPK, and Keap1/Nrf2/ARE pathway, in which multiple targets have been used to develop immunosuppressive agents. In recent years, varieties of immunosuppressive agents have been approved for clinical use, such as the JAK inhibitor tofacitinib and the mTOR inhibitor everolimus, which have shown good therapeutic effects. Additionally, many immunosuppressive agents are still in clinical trials or preclinical studies. In this review, we classified the immunosuppressive agents according to the immunopharmacological mechanisms, and summarized the phase of immunosuppressive agents.
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Affiliation(s)
- Zhiqing Xu
- Department of Immunology, National Health Commission (NHC) Key Laboratory of Medical Immunology (Peking University), School of Basic Medical Sciences, Peking University, Beijing, China
- Department of Pharmacology, Jilin University, Changchun, China
| | - Ming Chu
- Department of Immunology, National Health Commission (NHC) Key Laboratory of Medical Immunology (Peking University), School of Basic Medical Sciences, Peking University, Beijing, China
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16
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Xiang Q, Wang C, Wu T, Zhang C, Hu Q, Luo G, Hu J, Zhuang X, Zou L, Shen H, Wu X, Zhang Y, Kong X, Liu J, Xu Y. Design, Synthesis, and Biological Evaluation of 1-(Indolizin-3-yl)ethan-1-ones as CBP Bromodomain Inhibitors for the Treatment of Prostate Cancer. J Med Chem 2021; 65:785-810. [PMID: 34962793 DOI: 10.1021/acs.jmedchem.1c01864] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
CREB (cyclic-AMP responsive element binding protein) binding protein (CBP) is a potential target for prostate cancer treatment. Herein, we report the structural optimization of a series of 1-(indolizin-3-yl)ethan-1-one compounds as new selective CBP bromodomain inhibitors, aiming to improve cellular potency and metabolic stability. This process led to compound 9g (Y08284), which possesses good liver microsomal stability and pharmacokinetic properties (F = 25.9%). Furthermore, the compound is able to inhibit CBP bromodomain as well as the proliferation, colony formation, and migration of prostate cancer cells. Additionally, the new inhibitor shows promising antitumor efficacy in a 22Rv1 xenograft model (TGI = 88%). This study provides new lead compounds for further development of drugs for the treatment of prostate cancer.
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Affiliation(s)
- Qiuping Xiang
- Guangdong Provincial Key Laboratory of Biocomputing, Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health, Guangzhou Medical University, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Chao Wang
- Guangdong Provincial Key Laboratory of Biocomputing, Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health, Guangzhou Medical University, Chinese Academy of Sciences, Guangzhou 510530, China.,University of Chinese Academy of Sciences, No. 19 Yuquan Road, Beijing 100049, China
| | - Tianbang Wu
- Guangdong Provincial Key Laboratory of Biocomputing, Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health, Guangzhou Medical University, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Cheng Zhang
- Guangdong Provincial Key Laboratory of Biocomputing, Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health, Guangzhou Medical University, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Qingqing Hu
- Guangdong Provincial Key Laboratory of Biocomputing, Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health, Guangzhou Medical University, Chinese Academy of Sciences, Guangzhou 510530, China.,University of Chinese Academy of Sciences, No. 19 Yuquan Road, Beijing 100049, China
| | - Guolong Luo
- Guangdong Provincial Key Laboratory of Biocomputing, Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health, Guangzhou Medical University, Chinese Academy of Sciences, Guangzhou 510530, China.,University of Chinese Academy of Sciences, No. 19 Yuquan Road, Beijing 100049, China
| | - Jiankang Hu
- Guangdong Provincial Key Laboratory of Biocomputing, Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health, Guangzhou Medical University, Chinese Academy of Sciences, Guangzhou 510530, China.,University of Chinese Academy of Sciences, No. 19 Yuquan Road, Beijing 100049, China
| | - Xiaoxi Zhuang
- Guangdong Provincial Key Laboratory of Biocomputing, Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health, Guangzhou Medical University, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Lingjiao Zou
- Guangdong Provincial Key Laboratory of Biocomputing, Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health, Guangzhou Medical University, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Hui Shen
- Guangdong Provincial Key Laboratory of Biocomputing, Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health, Guangzhou Medical University, Chinese Academy of Sciences, Guangzhou 510530, China.,University of Chinese Academy of Sciences, No. 19 Yuquan Road, Beijing 100049, China
| | - Xishan Wu
- Guangdong Provincial Key Laboratory of Biocomputing, Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health, Guangzhou Medical University, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Yan Zhang
- Guangdong Provincial Key Laboratory of Biocomputing, Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health, Guangzhou Medical University, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Xiangqian Kong
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Jinsong Liu
- State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Yong Xu
- Guangdong Provincial Key Laboratory of Biocomputing, Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health, Guangzhou Medical University, Chinese Academy of Sciences, Guangzhou 510530, China.,China-New Zealand Joint Laboratory on Biomedicine and Health, Guangzhou 510530, China.,State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
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17
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Ding H, Pei Y, Li Y, Xu W, Mei L, Hou Z, Guang Y, Cao L, Li P, Cao H, Bian J, Chen K, Luo C, Zhou B, Zhang T, Li Z, Yang Y. Design, synthesis and biological evaluation of a novel spiro oxazolidinedione as potent p300/CBP HAT inhibitor for the treatment of ovarian cancer. Bioorg Med Chem 2021; 52:116512. [PMID: 34801827 DOI: 10.1016/j.bmc.2021.116512] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Revised: 10/08/2021] [Accepted: 10/15/2021] [Indexed: 01/10/2023]
Abstract
Histone acetylation is one of the most essential parts of epigenetic modification, mediating a variety of complex biological functions. In these procedure, p300/CBP could catalyze the acetylation of lysine 27 on histone 3 (H3K27ac), and had been reported to mediate tumorigenesis and development in a variety of tumors by enhancing chromatin transcription activity. Ovarian cancer, as an extremely malignant tumor, has also been observed to undergo abnormal acetylation of histones. However, whether the treatment of ovarian cancer could be achieved by inhibiting the acetylation activity of p300/CBP on H3K27 has not been well investigated. In this article, we modified the structure of p300/CBP HAT domain inhibitor A-485 and obtained a highly active small molecule known as 13f, which has an IC50 value of 0.49 nM for inhibiting the in vitro enzyme activity of p300, as well as the anti-proliferation IC50 value on ovarian cancer cell line OVCAR-3 was 153 nM. In addition, 13f had strong acetylase family selectivity, good metabolic stability and promising in vivo anti-tumor activity in OVCAR-3 xenograft model. The discovery of 13f revealed a more active chemical entity of the HATs domain of p300/CBP and provided a novel idea for the application of epigenetic inhibitors in the treatment of ovarian cancer.
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Affiliation(s)
- Hong Ding
- Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 211198, China; State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
| | - Yuan Pei
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China; University of Chinese Academy of Sciences, No.19A Yuquan Road, Beijing 100049, China
| | - Yuanqing Li
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China; University of Chinese Academy of Sciences, No.19A Yuquan Road, Beijing 100049, China
| | - Wen Xu
- Hospital & Institute of Obstetrics and Gynecology, Fudan University, Shanghai 200011, China
| | - Lianghe Mei
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing 210023,China
| | - Zeng Hou
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China; School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, UCAS, Hangzhou 310024, China; University of Chinese Academy of Sciences, No.19A Yuquan Road, Beijing 100049, China
| | - Yiman Guang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China; University of Chinese Academy of Sciences, No.19A Yuquan Road, Beijing 100049, China
| | - Liyuan Cao
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Peizhuo Li
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing 210023,China
| | - Haijing Cao
- Shanghai Institute of Planned Parenthood Research, Fudan University, Shanghai 200032, China
| | - Jinlei Bian
- Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 211198, China
| | - Kaixian Chen
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China; School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China; School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing 210023,China
| | - Cheng Luo
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China; School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, UCAS, Hangzhou 310024, China; University of Chinese Academy of Sciences, No.19A Yuquan Road, Beijing 100049, China
| | - Bing Zhou
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China; School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, UCAS, Hangzhou 310024, China; University of Chinese Academy of Sciences, No.19A Yuquan Road, Beijing 100049, China
| | - Ting Zhang
- Shanghai Institute of Planned Parenthood Research, Fudan University, Shanghai 200032, China.
| | - Zhiyu Li
- Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 211198, China.
| | - Yaxi Yang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China; School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, UCAS, Hangzhou 310024, China; University of Chinese Academy of Sciences, No.19A Yuquan Road, Beijing 100049, China.
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18
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Patent highlights April–May 2021. Pharm Pat Anal 2021. [DOI: 10.4155/ppa-2021-0011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
A snapshot of noteworthy recent developments in the patent literature of relevance to pharmaceutical and medical research and development.
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19
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Waddell AR, Huang H, Liao D. CBP/p300: Critical Co-Activators for Nuclear Steroid Hormone Receptors and Emerging Therapeutic Targets in Prostate and Breast Cancers. Cancers (Basel) 2021; 13:2872. [PMID: 34201346 PMCID: PMC8229436 DOI: 10.3390/cancers13122872] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 05/29/2021] [Accepted: 05/31/2021] [Indexed: 01/10/2023] Open
Abstract
The CREB-binding protein (CBP) and p300 are two paralogous lysine acetyltransferases (KATs) that were discovered in the 1980s-1990s. Since their discovery, CBP/p300 have emerged as important regulatory proteins due to their ability to acetylate histone and non-histone proteins to modulate transcription. Work in the last 20 years has firmly established CBP/p300 as critical regulators for nuclear hormone signaling pathways, which drive tumor growth in several cancer types. Indeed, CBP/p300 are critical co-activators for the androgen receptor (AR) and estrogen receptor (ER) signaling in prostate and breast cancer, respectively. The AR and ER are stimulated by sex hormones and function as transcription factors to regulate genes involved in cell cycle progression, metabolism, and other cellular functions that contribute to oncogenesis. Recent structural studies of the AR/p300 and ER/p300 complexes have provided critical insights into the mechanism by which p300 interacts with and activates AR- and ER-mediated transcription. Breast and prostate cancer rank the first and forth respectively in cancer diagnoses worldwide and effective treatments are urgently needed. Recent efforts have identified specific and potent CBP/p300 inhibitors that target the acetyltransferase activity and the acetytllysine-binding bromodomain (BD) of CBP/p300. These compounds inhibit AR signaling and tumor growth in prostate cancer. CBP/p300 inhibitors may also be applicable for treating breast and other hormone-dependent cancers. Here we provide an in-depth account of the critical roles of CBP/p300 in regulating the AR and ER signaling pathways and discuss the potential of CBP/p300 inhibitors for treating prostate and breast cancer.
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Affiliation(s)
- Aaron R. Waddell
- UF Health Cancer Center, Department of Anatomy and Cell Biology, University Florida College of Medicine, 2033 Mowry Road, Gainesville, FL 32610, USA;
| | - Haojie Huang
- Departments of Biochemistry and Molecular Biology and Urology, Mayo Clinic College of Medicine and Science, 200 First St. SW, Rochester, MN 55905, USA;
| | - Daiqing Liao
- UF Health Cancer Center, Department of Anatomy and Cell Biology, University Florida College of Medicine, 2033 Mowry Road, Gainesville, FL 32610, USA;
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Waddell A, Mahmud I, Ding H, Huo Z, Liao D. Pharmacological Inhibition of CBP/p300 Blocks Estrogen Receptor Alpha (ERα) Function through Suppressing Enhancer H3K27 Acetylation in Luminal Breast Cancer. Cancers (Basel) 2021; 13:2799. [PMID: 34199844 PMCID: PMC8200112 DOI: 10.3390/cancers13112799] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 05/23/2021] [Accepted: 05/29/2021] [Indexed: 01/10/2023] Open
Abstract
Estrogen receptor alpha (ER) is the oncogenic driver for ER+ breast cancer (BC). ER antagonists are the standard-of-care treatment for ER+ BC; however, primary and acquired resistance to these agents is common. CBP and p300 are critical ER co-activators and their acetyltransferase (KAT) domain and acetyl-lysine binding bromodomain (BD) represent tractable drug targets, but whether CBP/p300 inhibitors can effectively suppress ER signaling remains unclear. We report that the CBP/p300 KAT inhibitor A-485 and the BD inhibitor GNE-049 downregulate ER, attenuate estrogen-induced c-Myc and Cyclin D1 expression, and inhibit growth of ER+ BC cells through inducing senescence. Microarray and RNA-seq analysis demonstrates that A-485 or EP300 (encoding p300) knockdown globally inhibits expression of estrogen-regulated genes, confirming that ER inhibition is an on-target effect of A-485. Using ChIP-seq, we report that A-485 suppresses H3K27 acetylation in the enhancers of ER target genes (including MYC and CCND1) and this correlates with their decreased expression, providing a mechanism underlying how CBP/p300 inhibition downregulates ER gene network. Together, our results provide a preclinical proof-of-concept that CBP/p300 represent promising therapeutic targets in ER+ BC for inhibiting ER signaling.
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Affiliation(s)
- Aaron Waddell
- Department of Anatomy and Cell Biology, University Florida College of Medicine, UF Health Cancer Center, 2033 Mowry Road, Gainesville, FL 32610, USA; (A.W.); (I.M.)
| | - Iqbal Mahmud
- Department of Anatomy and Cell Biology, University Florida College of Medicine, UF Health Cancer Center, 2033 Mowry Road, Gainesville, FL 32610, USA; (A.W.); (I.M.)
| | - Haocheng Ding
- Departments of Biostatistics, University Florida College of Medicine, 2004 Mowry Road, Gainesville, FL 32610, USA; (H.D.); (Z.H.)
| | - Zhiguang Huo
- Departments of Biostatistics, University Florida College of Medicine, 2004 Mowry Road, Gainesville, FL 32610, USA; (H.D.); (Z.H.)
| | - Daiqing Liao
- Department of Anatomy and Cell Biology, University Florida College of Medicine, UF Health Cancer Center, 2033 Mowry Road, Gainesville, FL 32610, USA; (A.W.); (I.M.)
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Akinsiku OE, Soremekun OS, Olotu FA, Soliman MES. Exploring the Role of Asp1116 in Selective Drug Targeting of CREBcAMP- Responsive Element-binding Protein Implicated in Prostate Cancer. Comb Chem High Throughput Screen 2021; 23:178-184. [PMID: 32072894 DOI: 10.2174/1386207323666200219122057] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 01/21/2020] [Accepted: 01/30/2020] [Indexed: 02/08/2023]
Abstract
BACKGROUND The selective targeting of CREB-cAMP-responsive element-binding protein (CBP) has recently evolved as a vital therapeutic approach for curtailing its aberrant upregulation associated with the development of prostate cancer. Inhibition of CBP has been discovered to be an important therapeutic option in androgen receptor signalling pathway mediated prostate cancer. Y08197, a novel selective inhibitor of CBP, has shown promising therapeutic outcome in prostate carcinogenesis over non-selective analogues such as CPI-637. METHODS/RESULTS Herein, we used molecular dynamics simulation to gain insights into the mechanistic and selective targeting of Y08197 at the bromodomain active site. Molecular Mechanics/ Poisson-Boltzmann Surface Area (MM/PBSA) analysis revealed a similar inhibitory effect between Y08197 and CPI-637. Furthermore, in exploring the selective affinity of Y08197 towards CBP in combination with Bromodomain and PHD finger-containing protein 1(BRPF1), our findings highlighted Asp1116 as the 'culprit' residue responsible for this selective targeting. Upon binding, Asp1116 assumed a conformation that altered the architecture of the bromodomain active site, thereby orienting the helices around the active site in a more compacted position. In addition to some specific structural perturbations mediated by Asp1116 on the dynamics of CBP, our study revealed that the strong hydrogen bond interaction (N-H...O) elicited in CBP-Y08197 sequestered Y08197 tightly into the CBP bromodomain active site. CONCLUSION Conclusively, the inhibition and selective pattern of Y08197 can be replicated in future structure-based CBP inhibitors and other bromodomain implicated in carcinogenesis.
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Affiliation(s)
- Oluwayimika E Akinsiku
- Molecular Bio-computation and Drug Design Laboratory, School of Health Sciences, University of KwaZulu-Natal, Westville Campus, Durban 4001, South Africa
| | - Opeyemi S Soremekun
- Molecular Bio-computation and Drug Design Laboratory, School of Health Sciences, University of KwaZulu-Natal, Westville Campus, Durban 4001, South Africa
| | - Fisayo A Olotu
- Molecular Bio-computation and Drug Design Laboratory, School of Health Sciences, University of KwaZulu-Natal, Westville Campus, Durban 4001, South Africa
| | - Mahmoud E S Soliman
- Molecular Bio-computation and Drug Design Laboratory, School of Health Sciences, University of KwaZulu-Natal, Westville Campus, Durban 4001, South Africa
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22
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CREB-binding protein (CREBBP) and preeclampsia: a new promising target gene. Mol Biol Rep 2021; 48:2117-2122. [PMID: 33625689 DOI: 10.1007/s11033-021-06215-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Accepted: 02/04/2021] [Indexed: 10/22/2022]
Abstract
Preeclampsia (PE) is a major complication of pregnancy and remains a leading cause of neonatal and maternal mortality worldwide. Several studies have revealed that the incidence of preeclampsia is high in mothers who carried a fetus with Rubinstein-Taybi Syndrome due to the mutation in CREBBP. We aimed to compare the expression level of the CERBBP gene between preeclamptic and healthy placenta in our study. The expression level of CREBBP gene was evaluated in a total of one hundred placental biopsies from PE patients and healthy pregnant women after delivery using quantitative real-time polymerase chain reaction (qRT-PCR). Moreover, the differential expression of CREBBP was assessed between the maternal and fetal sides of the placenta. Expression of the CREBBP gene was higher in preeclampsia patients compared with the controls (Fold change = 2.158; P = 0.018). Moreover, the gene expression was slightly higher in the fetal side of the placenta, although it was not significantly different (Fold change = 1.713, P = 0.254). Our findings show a role for CREBBP in the pathogenesis of PE. Due to the important role of CREBBP in angiogenesis and hypoxia, the gene may serve as a promising target in future studies.
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23
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Akinsiku OE, Soremekun OS, Soliman MES. Update and Potential Opportunities in CBP [Cyclic Adenosine Monophosphate (cAMP) Response Element-Binding Protein (CREB)-Binding Protein] Research Using Computational Techniques. Protein J 2021; 40:19-27. [PMID: 33394237 PMCID: PMC7868315 DOI: 10.1007/s10930-020-09951-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/14/2020] [Indexed: 11/29/2022]
Abstract
CBP [cyclic adenosine monophosphate (cAMP) response element-binding protein (CREB)-binding protein] is one of the most researched proteins for its therapeutic function. Several studies have identified its vast functions and interactions with other transcription factors to initiate cellular signals of survival. In cancer and other diseases such as Alzheimer's, Rubinstein-taybi syndrome, and inflammatory diseases, CBP has been implicated and hence an attractive target in drug design and development. In this review, we explore the various computational techniques that have been used in CBP research, furthermore we identified computational gaps that could be explored to facilitate the development of highly therapeutic CBP inhibitors.
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Affiliation(s)
- Oluwayimika E Akinsiku
- Molecular Bio-computation and Drug Design Laboratory, School of Health Sciences, University of KwaZulu-Natal, Westville Campus, Durban, 4001, South Africa
| | - Opeyemi S Soremekun
- Molecular Bio-computation and Drug Design Laboratory, School of Health Sciences, University of KwaZulu-Natal, Westville Campus, Durban, 4001, South Africa
| | - Mahmoud E S Soliman
- Molecular Bio-computation and Drug Design Laboratory, School of Health Sciences, University of KwaZulu-Natal, Westville Campus, Durban, 4001, South Africa.
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24
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Bi X, Chen Y, Sun Z, Lu W, Xu P, Lu T, Ding H, Zhang N, Jiang H, Chen K, Zhou B, Luo C. Structure-based drug optimization and biological evaluation of tetrahydroquinolin derivatives as selective and potent CBP bromodomain inhibitors. Bioorg Med Chem Lett 2020; 30:127480. [PMID: 32882416 DOI: 10.1016/j.bmcl.2020.127480] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2020] [Revised: 07/22/2020] [Accepted: 08/06/2020] [Indexed: 11/26/2022]
Abstract
CBP bromodomain could recognize acetylated lysine and function as transcription coactivator to regulate transcription and downstream gene expression. Furthermore, CBP has been shown to be related to many human malignancies including acute myeloid leukemia. Herein, we identified DC-CPin734 as a potent CBP bromodomain inhibitor with a TR-FRET IC50 value of 19.5 ± 1.1 nM and over 400-fold of selectivity against BRD4 bromodomains through structure based rational drug design guided iterative chemical modification endeavoring to discover optimal tail-substituted tetrahydroquinolin derivatives. Moreover, DC-CPin734 showed potent inhibitory activity to AML cell line MV4-11 with an IC50 value of 0.55 ± 0.04 μM, and its cellular on-target effects were further evidenced by c-Myc downregulation results. In summary, DC-CPin734 showing good potency, selectivity and anti AML activity could serve as a potent and selective in vitro and in vivo probe of CBP bromodomain and a promising lead compound for future drug development.
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Affiliation(s)
- Xiaoyang Bi
- Department of Medicinal Chemistry, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China; University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing 100049, China
| | - Yu Chen
- University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing 100049, China; Drug Discovery and Design Center, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
| | - Zhongya Sun
- Drug Discovery and Design Center, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China; School of Life and Technology, Harbin Institute of Technology, Harbin 150001, China
| | - Wenchao Lu
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Pan Xu
- University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing 100049, China; Drug Discovery and Design Center, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
| | - Tian Lu
- Drug Discovery and Design Center, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China; Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing 210023, China
| | - Hong Ding
- University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing 100049, China; Drug Discovery and Design Center, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China.
| | - Naixia Zhang
- Department of Analytical Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
| | - Hualiang Jiang
- University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing 100049, China; Drug Discovery and Design Center, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
| | - Kaixian Chen
- University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing 100049, China; Drug Discovery and Design Center, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China; Open Studio for Druggability Research of Marine Natural Products, Pilot National Laboratory for Marine Science and Technology (Qingdao), 1 Wenhai Road, Aoshanwei, Jimo, Qingdao 266237, China
| | - Bing Zhou
- Department of Medicinal Chemistry, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China; University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing 100049, China.
| | - Cheng Luo
- University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing 100049, China; Drug Discovery and Design Center, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China; Open Studio for Druggability Research of Marine Natural Products, Pilot National Laboratory for Marine Science and Technology (Qingdao), 1 Wenhai Road, Aoshanwei, Jimo, Qingdao 266237, China.
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25
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Ryan KR, Giles F, Morgan GJ. Targeting both BET and CBP/EP300 proteins with the novel dual inhibitors NEO2734 and NEO1132 leads to anti-tumor activity in multiple myeloma. Eur J Haematol 2020; 106:90-99. [PMID: 32997383 DOI: 10.1111/ejh.13525] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 09/22/2020] [Accepted: 09/23/2020] [Indexed: 12/11/2022]
Abstract
OBJECTIVES Two promising epigenetic therapeutic targets have emerged for the treatment of hematologic malignancies, BET and CBP/EP300 proteins. Several studies have shown that targeting these individual classes of proteins has anti-tumor activity in multiple myeloma (MM), as well as other cancers. Here, we present the first data exploring the anti-tumor activity of two novel dual inhibitors, NEO2734 and NEO1132, of both BET and CBP/EP300 proteins in MM. METHODS Sixteen MM cell lines (MMCLs) were treated with the dual inhibitors NEO2734 and NEO1132, the single BET inhibitors JQ1, OTX015, IBET-762, and IBET-151, and a single CBP/EP300 inhibitor CPI-637. RESULTS The dual inhibitor NEO2734 showed strong anti-tumor activity and was consistently highly active against all MMCLs, being as potent as JQ1 and more so than other single inhibitors. NEO2734 and NEO11132 induced a significant G1 cell cycle arrest and decreased c-MYC and IRF4 protein levels in MMCLs compared to the other single inhibitors. Sensitivity to the dual inhibitors was not dependent on a specific MM molecular subgroup but correlated with c-MYC protein expression levels. CONCLUSIONS The dual inhibition of BET and CBP/EP300 has potential therapeutic benefits for patients with MM.
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Affiliation(s)
| | - Francis Giles
- Developmental Therapeutics Consortium, Chicago, IL, USA
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26
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Scholl SM, Beal J, de Koning L, Girard E, Popovic M, de la Rochefordière A, Lecuru F, Fourchotte V, Ngo C, Floquet A, Berns EM, Kenter G, Gestraud P, von der Leyen H, Lecerf C, Puard V, Roman SR, Latouche A, Kereszt A, Balint B, Rouzier R, Kamal M. Genetic markers and phosphoprotein forms of beta-catenin pβ-Cat552 and pβ-Cat675 are prognostic biomarkers of cervical cancer. EBioMedicine 2020; 61:103049. [PMID: 33096476 PMCID: PMC7581879 DOI: 10.1016/j.ebiom.2020.103049] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 07/10/2020] [Accepted: 09/21/2020] [Indexed: 01/27/2023] Open
Abstract
BACKGROUND Cervical cancer (CC) remains a leading cause of gynaecological cancer-related mortality world wide and constitutes the third most common malignancy in women. The RAIDs consortium (http://www.raids-fp7.eu/) conducted a prospective European study [BioRAIDs (NCT02428842)] with the objective to stratify CC patients for innovative treatments. A "metagene" of genomic markers in the PI3K pathway and epigenetic regulators had been previously associated with poor outcome [2]. METHODS To detect new, more specific, targets for treatment of patients who resist standard chemo-radiation, a high-dimensional Cox model was applied to define dominant molecular variants, copy number variations, and reverse phase protein arrays (RPPA). FINDINGS Survival analysis on 89 patients with all omics data available, suggested loss-of-function (LOF) or activating molecular alterations in nine genes to be candidate biomarkers for worse prognosis in patients treated by chemo-radiation while LOF of ATRX, MED13 as well as CASP8 were associated with better prognosis. When protein expression data by RPPA were factored in, the supposedly low molecular weight and nuclear form, of beta-catenin, phosphorylated in Ser552 (pβ-Cat552), ranked highest for good prognosis, while pβ-Cat675 was associated with worse prognosis. INTERPRETATION These findings call for molecularly targeted treatments involving p53, Wnt pathway, PI3K pathway, and epigenetic regulator genes. Pβ-Cat552 and pβ-Cat675 may be useful biomarkers to predict outcome to chemo-radiation, which targets the DNA repair axis. FUNDING European Union's Seventh Program for research, technological development and demonstration (agreement N°304,810), the Fondation ARC pour la recherche contre le cancer.
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Affiliation(s)
- Suzy M Scholl
- Department of Drug Development and Innovation, Institut Curie, PSL Research University, 75005 Paris & 92210 Saint-Cloud, France.
| | - Jonas Beal
- Bioinformatics and Computational Systems Biology of Cancer, PSL Research University, Mines Paris Tech, INSERM U900, 75005 Paris, France
| | - Leanne de Koning
- Department of Translational Research, Institut Curie, PSL Research University, 75005 Paris & 92210 Saint-Cloud, France
| | - Elodie Girard
- Bioinformatics and Computational Systems Biology of Cancer, PSL Research University, Mines Paris Tech, INSERM U900, 75005 Paris, France
| | - Marina Popovic
- Oncology Institute of Vojvodina, Put doktora Goldmana, 421204 Sremska Kamenica, Serbia
| | | | - Fabrice Lecuru
- Department of Surgery, Institut Curie, PSL Research University, PSL Research University, 75005 Paris & 92210 Saint-Cloud, France
| | - Virginie Fourchotte
- Department of Surgery, Institut Curie, PSL Research University, PSL Research University, 75005 Paris & 92210 Saint-Cloud, France
| | - Charlotte Ngo
- Service de chirurgie cancérologique gynécologique et du sein, Hôpital Européen Georges Pompidou, APHP et faculté de médecine, Université Paris Descartes, France
| | - Anne Floquet
- Chirurgie onco-gynécologique and Oncology, Institut Bergonié, Centre Régional de Lutte contre le Cancer Bordeaux-Aquitaine, France
| | - Els Mjj Berns
- Dept Medical Oncology, Erasmus MC, 3000 CA Rotterdam, Netherlands
| | - Gemma Kenter
- Department of Drug Development and Innovation, Institut Curie, PSL Research University, 75005 Paris & 92210 Saint-Cloud, France; Department of Gynaecologic Oncology Amsterdam, Amsterdam UMC and The Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands
| | - Pierre Gestraud
- Bioinformatics and Computational Systems Biology of Cancer, PSL Research University, Mines Paris Tech, INSERM U900, 75005 Paris, France
| | - Heiko von der Leyen
- Department of Drug Development and Innovation, Institut Curie, PSL Research University, 75005 Paris & 92210 Saint-Cloud, France; Hannover Clinical Trial Center, Hannover Medical School Germany
| | - Charlotte Lecerf
- Department of Drug Development and Innovation, Institut Curie, PSL Research University, 75005 Paris & 92210 Saint-Cloud, France
| | - Vincent Puard
- Department of Translational Research, Institut Curie, PSL Research University, 75005 Paris & 92210 Saint-Cloud, France
| | - Sergio Roman Roman
- Department of Translational Research, Institut Curie, PSL Research University, 75005 Paris & 92210 Saint-Cloud, France
| | - Aurelien Latouche
- Bioinformatics and Computational Systems Biology of Cancer, PSL Research University, Mines Paris Tech, INSERM U900, 75005 Paris, France; Conservatoire national des arts et métiers, Paris, France
| | - Attila Kereszt
- Department of Drug Development and Innovation, Institut Curie, PSL Research University, 75005 Paris & 92210 Saint-Cloud, France; SeqOmics Biotechnology Ltd, Vallalkozok utja 7, Morahalom, Hungary
| | - Balazs Balint
- Department of Drug Development and Innovation, Institut Curie, PSL Research University, 75005 Paris & 92210 Saint-Cloud, France; Department of Translational Research, Institut Curie, PSL Research University, 75005 Paris & 92210 Saint-Cloud, France
| | - Roman Rouzier
- Department of Surgery, Institut Curie, PSL Research University, PSL Research University, 75005 Paris & 92210 Saint-Cloud, France; Bioinformatics and Computational Systems Biology of Cancer, PSL Research University, Mines Paris Tech, INSERM U900, 75005 Paris, France
| | - Maud Kamal
- Department of Drug Development and Innovation, Institut Curie, PSL Research University, 75005 Paris & 92210 Saint-Cloud, France
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27
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Current development of CBP/p300 inhibitors in the last decade. Eur J Med Chem 2020; 209:112861. [PMID: 33045661 DOI: 10.1016/j.ejmech.2020.112861] [Citation(s) in RCA: 75] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 09/16/2020] [Accepted: 09/17/2020] [Indexed: 01/10/2023]
Abstract
CBP/p300, functioning as histone acetyltransferases and transcriptional co-factors, represents an attractive target for various diseases, including malignant tumor. The development of small-molecule inhibitors targeting the bromodomain and HAT domains of CBP/p300 has aroused broad interests of medicinal chemist in expectation of providing new hope for anti-cancer treatment. In particular, the CBP/p300 bromodomain inhibitor CCS1477, identified by CellCentric, is currently undergone clinical evaluation for the treatment of haematological malignancies and prostate cancer. In this review, we depict the development of CBP/p300 inhibitors reported from 2010 to 2020 and particularly highlight their structure-activity relationships (SARs), binding modes, selectivity and pharmacological functions with the aim to facilitate rational design and development of CBP/p300 inhibitors.
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28
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Chen Y, Bi X, Zhang F, Sun Z, Xu P, Jiang H, Lu W, Lu T, Ding H, Zhang N, Jiang H, Chen K, Zhou B, Luo C. Design, synthesis, and biological evaluation of tetrahydroquinolin derivatives as potent inhibitors of CBP bromodomain. Bioorg Chem 2020; 101:103991. [PMID: 32559581 DOI: 10.1016/j.bioorg.2020.103991] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 05/28/2020] [Accepted: 06/01/2020] [Indexed: 12/23/2022]
Abstract
CREB-binding protein (CBP) is a large multi-domain protein containing a HAT domain catalyzing transacetylation and a bromodomain responsible for acetylated lysine recognition. CBPs could act as transcription co-activators to regulate gene expression and have been shown to play a significant role in the development and progression of many cancers. Herein, through in silico screening two hit compounds with tetrahydroquinolin methyl carbamate scaffold were discovered, among which DC-CPin7 showed an in vitro inhibitory activity with the TR-FRET IC50 value of 2.5 ± 0.3 μM. We obtained a high-resolution co-crystal structure of the CBP bromodomain in complex with DC-CPin7 to guide following structure-based rational drug design, which yielded over ten DC-CPin7 derivatives with much higher potency, among which DC-CPin711 showed approximately 40-fold potency compared with hit compound DC-CPin7 with an in vitro TR-FRET IC50 value of 63.3 ± 4.0 nM. Notably, DC-CPin711 showed over 150-fold selectivity against BRD4 bromodomains. Moreover, DC-CPin711 showed micromolar level of anti-leukemia proliferation through G1 phase cell cycle arrest and cell apoptosis. In summary, through a combination of computational and crystal-based structure optimization, DC-CPin711 showed potent in vitro inhibitory activities to CBP bromodomain with a decent selectivity towards BRD4 bromodomains and good cellular activity to leukemia cells, which could further be applied to related biological and translational studies as well as serve as a lead compound for future development of potent and selective CBP bromodomain inhibitors.
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Affiliation(s)
- Yu Chen
- Drug Discovery and Design Center, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China; University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing 100049, China
| | - Xiaoyang Bi
- University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing 100049, China; Department of Medicinal Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
| | - Fengcai Zhang
- School of Pharmacy, Nanchang University, Nanchang 330006, China
| | - Zhongya Sun
- Drug Discovery and Design Center, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China; School of Life and Technology, Harbin Institute of Technology, Harbin 150001, China
| | - Pan Xu
- Drug Discovery and Design Center, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China; University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing 100049, China
| | - Hao Jiang
- Drug Discovery and Design Center, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China; University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing 100049, China
| | - Wenchao Lu
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Tian Lu
- Drug Discovery and Design Center, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China; Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing 210023, China
| | - Hong Ding
- Drug Discovery and Design Center, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China.
| | - Naixia Zhang
- Department of Analytical Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
| | - Hualiang Jiang
- Drug Discovery and Design Center, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China; University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing 100049, China
| | - Kaixian Chen
- Drug Discovery and Design Center, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China; University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing 100049, China; Open Studio for Druggability Research of Marine Natural Products, Pilot National Laboratory for Marine Science and Technology (Qingdao), 1 Wenhai Road, Aoshanwei, Jimo, Qingdao 266237, China
| | - Bing Zhou
- University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing 100049, China; Department of Medicinal Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China.
| | - Cheng Luo
- Drug Discovery and Design Center, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China; University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing 100049, China; Open Studio for Druggability Research of Marine Natural Products, Pilot National Laboratory for Marine Science and Technology (Qingdao), 1 Wenhai Road, Aoshanwei, Jimo, Qingdao 266237, China.
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29
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Nguyen HHT, Yeoh LM, Chisholm SA, Duffy MF. Developments in drug design strategies for bromodomain protein inhibitors to target Plasmodium falciparum parasites. Expert Opin Drug Discov 2019; 15:415-425. [PMID: 31870185 DOI: 10.1080/17460441.2020.1704251] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Introduction: Bromodomains (BRDs) bind to acetylated lysine residues, often on histones. The BRD proteins can contribute to gene regulation either directly through enzymatic activity or indirectly through recruitment of chromatin-modifying complexes or transcription factors. There is no evidence of direct orthologues of the Plasmodium falciparum BRD proteins (PfBDPs) outside the apicomplexans. PfBDPs are expressed during the parasite's life cycle in both the human host's blood and in the mosquito. PfBDPs could also prove to be promising targets for novel antimalarials, which are urgently required to address increasing drug resistance.Areas covered: This review discusses recent studies of the biology of PfBDPs, current target-based strategies for PfBDP inhibitor discovery, and different approaches to the important step of validating the specificity of hit compounds for PfBDPs.Expert opinion: The novelty of Plasmodium BRDs suggests that they could be targeted by selective compounds. Chemical series that showed promise in screens against human BRDs could be leveraged to create targeted compound libraries, as could hits from P. falciparum phenotypic screens. These targeted libraries and hits could be screened in target-based strategies aimed at discovery and optimization of novel inhibitors of PfBDPs. A key task for the field is to generate parasite assays to validate the hit compounds' specificity for PfBDPs.
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Affiliation(s)
- Hanh H T Nguyen
- The School of BioSciences, Bio21 Institute, The University of Melbourne, Melbourne, Australia.,The Dept of Medicine and Radiology, Royal Melbourne Hospital, University of Melbourne, Melbourne, Australia
| | - Lee M Yeoh
- The School of BioSciences, Bio21 Institute, The University of Melbourne, Melbourne, Australia
| | - Scott A Chisholm
- The School of BioSciences, Bio21 Institute, The University of Melbourne, Melbourne, Australia
| | - Michael F Duffy
- The School of BioSciences, Bio21 Institute, The University of Melbourne, Melbourne, Australia.,The Dept of Medicine and Radiology, Royal Melbourne Hospital, University of Melbourne, Melbourne, Australia
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30
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Wang XT, Fang R, Ye SB, Zhang RS, Li R, Wang X, Ji RH, Lu ZF, Ma HH, Zhou XJ, Xia QY, Rao Q. Targeted next-generation sequencing revealed distinct clinicopathologic and molecular features of VCL-ALK RCC: A unique case from an older patient without clinical evidence of sickle cell trait. Pathol Res Pract 2019; 215:152651. [PMID: 31563285 DOI: 10.1016/j.prp.2019.152651] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 09/09/2019] [Accepted: 09/16/2019] [Indexed: 02/07/2023]
Abstract
Anaplastic lymphoma kinase (ALK)-rearranged renal cell carcinoma (RCC) is a novel entity of rare tumors with only 10 cases reported in the literature. Three RCC cases bearing VCL-ALK gene fusion were all young African American patients and associated with sickle cell trait notably. In contrast to the 3 reported cases, this neoplasm occurred in a middle-age woman (57 years old) without any evidence of sickle cell trait and demonstrated an infiltrating growth pattern with tubular, tubulopapillary, and tubulocystic structures, overlapping with collecting duct carcinoma and renal medullary carcinoma. Abundant intraluminal mucin was also noted significantly in the histologic sections. Immunostaining showed strong membranous labeling for ALK protein. We applied a large panel-targeted next-generation sequencing to explore the molecular alterations in the current case, revealing a driver oncogene VCL-ALK gene fusion co-occurring with pathogenic mutations in EP300 and TRRAP genes. Thereafter, fluorescence in situ hybridization assay was used to detect the ALK gene rearrangement. Reverse transcription polymerase chain reaction confirmed the presence of a VCL-ALK gene fusion, a fusion of VCL exon 16 to ALK exon 20. Our report draws the attention to the possibility that VCL-ALK genotype can be involved in older patients unassociated with sickle cell trait, also expanding the spectrum to ALK-rearranged RCC.
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Affiliation(s)
- Xiao-Tong Wang
- Department of Pathology, Jinling Hospital, Nanjing University School of Medicine, Nanjing 210002, Jiangsu, China
| | - Ru Fang
- Department of Pathology, Jinling Hospital, Nanjing University School of Medicine, Nanjing 210002, Jiangsu, China
| | - Sheng-Bing Ye
- Department of Pathology, Jinling Hospital, Nanjing University School of Medicine, Nanjing 210002, Jiangsu, China
| | - Ru-Song Zhang
- Department of Pathology, Jinling Hospital, Nanjing University School of Medicine, Nanjing 210002, Jiangsu, China
| | - Rui Li
- Department of Pathology, Jinling Hospital, Nanjing University School of Medicine, Nanjing 210002, Jiangsu, China
| | - Xuan Wang
- Department of Pathology, Jinling Hospital, Nanjing University School of Medicine, Nanjing 210002, Jiangsu, China
| | - Rong-Hao Ji
- Department of Pathology, Jinling Hospital, Nanjing University School of Medicine, Nanjing 210002, Jiangsu, China
| | - Zhen-Feng Lu
- Department of Pathology, Jinling Hospital, Nanjing University School of Medicine, Nanjing 210002, Jiangsu, China
| | - Heng-Hui Ma
- Department of Pathology, Jinling Hospital, Nanjing University School of Medicine, Nanjing 210002, Jiangsu, China
| | - Xiao-Jun Zhou
- Department of Pathology, Jinling Hospital, Nanjing University School of Medicine, Nanjing 210002, Jiangsu, China
| | - Qiu-Yuan Xia
- Department of Pathology, Jinling Hospital, Nanjing University School of Medicine, Nanjing 210002, Jiangsu, China.
| | - Qiu Rao
- Department of Pathology, Jinling Hospital, Nanjing University School of Medicine, Nanjing 210002, Jiangsu, China.
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