1
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Lu KP, Zhou XZ. Pin1-catalyzed conformational regulation after phosphorylation: A distinct checkpoint in cell signaling and drug discovery. Sci Signal 2024; 17:eadi8743. [PMID: 38889227 PMCID: PMC11409840 DOI: 10.1126/scisignal.adi8743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 05/30/2024] [Indexed: 06/20/2024]
Abstract
Protein phosphorylation is one of the most common mechanisms regulating cellular signaling pathways, and many kinases and phosphatases are proven drug targets. Upon phosphorylation, protein functions can be further regulated by the distinct isomerase Pin1 through cis-trans isomerization. Numerous protein targets and many important roles have now been elucidated for Pin1. However, no tools are available to detect or target cis and trans conformation events in cells. The development of Pin1 inhibitors and stereo- and phospho-specific antibodies has revealed that cis and trans conformations have distinct and often opposing cellular functions. Aberrant conformational changes due to the dysregulation of Pin1 can drive pathogenesis but can be effectively targeted in age-related diseases, including cancers and neurodegenerative disorders. Here, we review advances in understanding the roles of Pin1 signaling in health and disease and highlight conformational regulation as a distinct signal transduction checkpoint in disease development and treatment.
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Affiliation(s)
- Kun Ping Lu
- Departments of Biochemistry and Oncology, Schulich School of Medicine & Dentistry, Western University, London, ON N6G 2V4, Canada
- Robarts Research Institute, Schulich School of Medicine & Dentistry, Western University, London, ON N6G 2V4, Canada
| | - Xiao Zhen Zhou
- Departments of Biochemistry and Oncology, Schulich School of Medicine & Dentistry, Western University, London, ON N6G 2V4, Canada
- Department of Pathology and Laboratory Medicine, Schulich School of Medicine & Dentistry, Western University, London, ON N6G 2V4, Canada
- Lawson Health Research Institute, Schulich School of Medicine & Dentistry, Western University, London, ON N6G 2V4, Canada
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2
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Ren QX, Zhuang QS, Shen GL. Expression and significance of pin1 in the wound healing. Arch Dermatol Res 2024; 316:235. [PMID: 38795154 DOI: 10.1007/s00403-024-03030-z] [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: 04/17/2024] [Revised: 04/17/2024] [Accepted: 04/26/2024] [Indexed: 05/27/2024]
Abstract
The aim of this study is to delineate the expression patterns of prolyl cis-trans isomerase NIMA-interacting protein 1 (Pin1), Glial cell-derived neurotrophic factor (GDNF), and Angiotensin II (ANG II) during the process of wound repair, and to ascertain the effects of Pin1, GDNF, and ANG II on the healing of wounds in a rat model. A total of 18 rats were allocated into three groups-sham (control), DMSO (vehicle control), and Pin1 inhibitor (treatment with juglone)-with six animals in each group. An animal model of wound healing was established, followed by the intraperitoneal administration of juglone. Tissue samples from the wounds were subsequently collected for histopathological evaluation. Expression levels of Pin1, GDNF, and Ang II were quantified. In addition, an in vitro model of wound healing was created using human umbilical vein endothelial cells (HUVEC), to assess cell proliferation, migration, and tube formation under conditions of juglone pre-treatment. The expression levels of Pin1, GDNF, and ANG II were notably elevated on 7-, and 10- days post-wound compared to those measured on 3-day. Contrastingly, pre-treatment with juglone significantly inhibited the expression of these molecules. Histological analyses, including HE (Hematoxylin and Eosin), Masson's trichrome, and EVG (Elastic van Gieson) staining, demonstrated that vascular angiogenesis, as well as collagen and elastin deposition, were substantially reduced in the juglone pre-treated group when compared to the normal group. Further, immunohistochemical analysis revealed a considerable decrease in CD31 expression in the juglone pre-treatment group relative to the normal control group. Pin1 serves as a pivotal facilitator of wound repair. The findings indicate that the modulation of Pin1, GDNF, and ANG II expression impacts the wound healing process in rats, suggesting potential targets for therapeutic intervention in human wound repair.
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Affiliation(s)
- Qing-Xian Ren
- Department of Burn and Plastic Surgery, the First Affiliated Hospital of Soochow University, 899 Pinghai Road, Suzhou, 215006, China
| | - Qian-Shu Zhuang
- Department of Endocrinology, Tengzhou Central People's Hospital, 181 Xingyun Road, Tengzhou, China
| | - Guo-Liang Shen
- Department of Burn and Plastic Surgery, the First Affiliated Hospital of Soochow University, 899 Pinghai Road, Suzhou, 215006, China.
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3
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Chen XR, Dixit K, Yang Y, McDermott MI, Imam HT, Bankaitis VA, Igumenova TI. A novel bivalent interaction mode underlies a non-catalytic mechanism for Pin1-mediated protein kinase C regulation. eLife 2024; 13:e92884. [PMID: 38687676 PMCID: PMC11060717 DOI: 10.7554/elife.92884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 04/08/2024] [Indexed: 05/02/2024] Open
Abstract
Regulated hydrolysis of the phosphoinositide phosphatidylinositol(4,5)-bis-phosphate to diacylglycerol and inositol-1,4,5-P3 defines a major eukaryotic pathway for translation of extracellular cues to intracellular signaling circuits. Members of the lipid-activated protein kinase C isoenzyme family (PKCs) play central roles in this signaling circuit. One of the regulatory mechanisms employed to downregulate stimulated PKC activity is via a proteasome-dependent degradation pathway that is potentiated by peptidyl-prolyl isomerase Pin1. Here, we show that contrary to prevailing models, Pin1 does not regulate conventional PKC isoforms α and βII via a canonical cis-trans isomerization of the peptidyl-prolyl bond. Rather, Pin1 acts as a PKC binding partner that controls PKC activity via sequestration of the C-terminal tail of the kinase. The high-resolution structure of full-length Pin1 complexed to the C-terminal tail of PKCβII reveals that a novel bivalent interaction mode underlies the non-catalytic mode of Pin1 action. Specifically, Pin1 adopts a conformation in which it uses the WW and PPIase domains to engage two conserved phosphorylated PKC motifs, the turn motif and hydrophobic motif, respectively. Hydrophobic motif is a non-canonical Pin1-interacting element. The structural information combined with the results of extensive binding studies and experiments in cultured cells suggest that non-catalytic mechanisms represent unappreciated modes of Pin1-mediated regulation of AGC kinases and other key enzymes/substrates.
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Affiliation(s)
- Xiao-Ru Chen
- Department of Biochemistry & Biophysics, Texas A&M UniversityCollege StationUnited States
| | - Karuna Dixit
- Department of Biochemistry & Biophysics, Texas A&M UniversityCollege StationUnited States
| | - Yuan Yang
- Department of Biochemistry & Biophysics, Texas A&M UniversityCollege StationUnited States
| | - Mark I McDermott
- Department of Cell Biology & Genetics, Texas A&M UniversityCollege StationUnited States
| | - Hasan Tanvir Imam
- Department of Biochemistry & Biophysics, Texas A&M UniversityCollege StationUnited States
| | - Vytas A Bankaitis
- Department of Cell Biology & Genetics, Texas A&M UniversityCollege StationUnited States
| | - Tatyana I Igumenova
- Department of Biochemistry & Biophysics, Texas A&M UniversityCollege StationUnited States
- Department of Cell Biology & Genetics, Texas A&M UniversityCollege StationUnited States
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4
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Alzain AA, Elbadwi FA, Shoaib TH, Sherif AE, Osman W, Ashour A, Mohamed GA, Ibrahim SRM, Roh EJ, Hassan AHE. Integrating computational methods guided the discovery of phytochemicals as potential Pin1 inhibitors for cancer: pharmacophore modeling, molecular docking, MM-GBSA calculations and molecular dynamics studies. Front Chem 2024; 12:1339891. [PMID: 38318109 PMCID: PMC10839060 DOI: 10.3389/fchem.2024.1339891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 01/08/2024] [Indexed: 02/07/2024] Open
Abstract
Pin1 is a pivotal player in interactions with a diverse array of phosphorylated proteins closely linked to critical processes such as carcinogenesis and tumor suppression. Its axial role in cancer initiation and progression, coupled with its overexpression and activation in various cancers render it a potential candidate for the development of targeted therapeutics. While several known Pin1 inhibitors possess favorable enzymatic profiles, their cellular efficacy often falls short. Consequently, the pursuit of novel Pin1 inhibitors has gained considerable attention in the field of medicinal chemistry. In this study, we employed the Phase tool from Schrödinger to construct a structure-based pharmacophore model. Subsequently, 449,008 natural products (NPs) from the SN3 database underwent screening to identify compounds sharing pharmacophoric features with the native ligand. This resulted in 650 compounds, which then underwent molecular docking and binding free energy calculations. Among them, SN0021307, SN0449787 and SN0079231 showed better docking scores with values of -9.891, -7.579 and -7.097 kcal/mol, respectively than the reference compound (-6.064 kcal/mol). Also, SN0021307, SN0449787 and SN0079231 exhibited lower free binding energies (-57.12, -49.81 and -46.05 kcal/mol, respectively) than the reference ligand (-37.75 kcal/mol). Based on these studies, SN0021307, SN0449787, and SN0079231 showed better binding affinity that the reference compound. Further the validation of these findings, molecular dynamics simulations confirmed the stability of the ligand-receptor complex for 100 ns with RMSD ranging from 0.6 to 1.8 Å. Based on these promising results, these three phytochemicals emerge as promising lead compounds warranting comprehensive biological screening in future investigations. These compounds hold great potential for further exploration regarding their efficacy and safety as Pin1 inhibitors, which could usher in new avenues for combating cancer.
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Affiliation(s)
- Abdulrahim A. Alzain
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Gezira, Gezira, Sudan
| | - Fatima A. Elbadwi
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Gezira, Gezira, Sudan
| | - Tagyedeen H. Shoaib
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Gezira, Gezira, Sudan
| | - Asmaa E. Sherif
- Department of Pharmacognosy, Faculty of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
- Department of Pharmacognosy, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Wadah Osman
- Department of Pharmacognosy, Faculty of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
- Department of Pharmacognosy, Faculty of Pharmacy, University of Khartoum, Khartoum, Sudan
| | - Ahmed Ashour
- Department of Pharmacognosy, Faculty of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
- Department of Pharmacognosy, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Gamal A. Mohamed
- Department of Natural Products and Alternative Medicine, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Sabrin R. M. Ibrahim
- Preparatory Year Program, Department of Chemistry, Batterjee Medical College, Jeddah, Saudi Arabia
- Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, Assiut, Egypt
| | - Eun Joo Roh
- Chemical and Biological Integrative Research Center, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea
- Division of Bio-Medical Science and Technology, University of Science and Technology, Daejeon, Republic of Korea
| | - Ahmed H. E. Hassan
- Department of Medicinal Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
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5
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Sun R, Lee EJ, Lee S, Kim G, Kim J. KPT6566 induces apoptotic cell death and suppresses the tumorigenicity of testicular germ cell tumors. Front Cell Dev Biol 2023; 11:1220179. [PMID: 38020885 PMCID: PMC10652286 DOI: 10.3389/fcell.2023.1220179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 10/19/2023] [Indexed: 12/01/2023] Open
Abstract
Testicular germ cell tumors (TGCTs) frequently affect adolescent and young adult males. Although TGCT is more responsive to cisplatin-based chemotherapy than other solid tumors, some patients are nonresponders, and following treatment, many patients continue to experience acute and long-term cytotoxic effects from cisplatin-based chemotherapy. Consequently, it is imperative to develop new therapeutic modalities for treatment-resistant TGCTs. Peptidyl-prolyl isomerase (Pin1) regulates the activity and stability of many cancer-associated target proteins. Prior findings suggest that Pin1 contributes to the pathogenesis of multiple human cancers. However, the specific function of Pin1 in TGCTs has not yet been elucidated. TGCT cell proliferation and viability were examined using cell cycle analysis and apoptosis assays following treatment with KPT6566, a potent, selective Pin1 inhibitor that covalently binds to the catalytic domain of Pin1. A xenograft mouse model was used to assess the effect of KPT6566 on tumor growth in vivo. KPT6566 effectively suppressed cell proliferation, colony formation, and ATP production in P19 and NCCIT cells. Further, KPT6566 induced apoptotic cell death by generating cellular reactive oxygen species and downregulating the embryonic transcription factors Oct-4 and Sox2. Finally, KPT6566 treatment significantly reduced tumor volume and mass in P19 cell xenografts. The Pin1 inhibitor KPT6566 has significant antiproliferative and antitumor effects in TGCT cells. These findings suggest that Pin1 inhibitors could be considered as a potential therapeutic approach for TGCTs.
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Affiliation(s)
| | | | | | | | - Jungho Kim
- Laboratory of Molecular and Cellular Biology, Department of Life Science, Sogang University, Seoul, Republic of Korea
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6
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Chen XR, Dixit K, Yang Y, McDermott MI, Imam HT, Bankaitis VA, Igumenova TI. A novel bivalent interaction mode underlies a non-catalytic mechanism for Pin1-mediated Protein Kinase C regulation. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.09.18.558341. [PMID: 37781616 PMCID: PMC10541119 DOI: 10.1101/2023.09.18.558341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
Regulated hydrolysis of the phosphoinositide phosphatidylinositol(4,5)-bis-phosphate to diacylglycerol and inositol-1,4,5-P3 defines a major eukaryotic pathway for translation of extracellular cues to intracellular signaling circuits. Members of the lipid-activated protein kinase C isoenzyme family (PKCs) play central roles in this signaling circuit. One of the regulatory mechanisms employed to downregulate stimulated PKC activity is via a proteasome-dependent degradation pathway that is potentiated by peptidyl-prolyl isomerase Pin1. Here, we show that contrary to prevailing models, Pin1 does not regulate conventional PKC isoforms α and βII via a canonical cis-trans isomerization of the peptidyl-prolyl bond. Rather, Pin1 acts as a PKC binding partner that controls PKC activity via sequestration of the C-terminal tail of the kinase. The high-resolution structure of Pin1 complexed to the C-terminal tail of PKCβII reveals that a novel bivalent interaction mode underlies the non-catalytic mode of Pin1 action. Specifically, Pin1 adopts a compact conformation in which it engages two conserved phosphorylated PKC motifs, the turn motif and hydrophobic motif, the latter being a non-canonical Pin1-interacting element. The structural information, combined with the results of extensive binding studies and in vivo experiments suggest that non-catalytic mechanisms represent unappreciated modes of Pin1-mediated regulation of AGC kinases and other key enzymes/substrates.
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7
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Biswas H, Makinwa Y, Zou Y. Novel Cellular Functions of ATR for Therapeutic Targeting: Embryogenesis to Tumorigenesis. Int J Mol Sci 2023; 24:11684. [PMID: 37511442 PMCID: PMC10380702 DOI: 10.3390/ijms241411684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 07/14/2023] [Accepted: 07/18/2023] [Indexed: 07/30/2023] Open
Abstract
The DNA damage response (DDR) is recognized as having an important role in cancer growth and treatment. ATR (ataxia telangiectasia mutated and Rad3-related) kinase, a major regulator of DDR, has shown significant therapeutic potential in cancer treatment. ATR inhibitors have shown anti-tumor effectiveness, not just as monotherapies but also in enhancing the effects of standard chemotherapy, radiation, and immunotherapy. The biological basis of ATR is examined in this review, as well as its functional significance in the development and therapy of cancer, and the justification for inhibiting this target as a therapeutic approach, including an assessment of the progress and status of previous decades' development of effective and selective ATR inhibitors. The current applications of these inhibitors in preclinical and clinical investigations as single medicines or in combination with chemotherapy, radiation, and immunotherapy are also fully reviewed. This review concludes with some insights into the many concerns highlighted or identified with ATR inhibitors in both the preclinical and clinical contexts, as well as potential remedies proposed.
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Affiliation(s)
| | | | - Yue Zou
- Department of Cell and Cancer Biology, College of Medicine and Life Sciences, University of Toledo, Toledo, OH 43614, USA; (H.B.); (Y.M.)
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8
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Zhang J, Zhou W, Chen Y, Wang Y, Guo Z, Hu W, Li Y, Han X, Si S. Small molecules targeting Pin1 as potent anticancer drugs. Front Pharmacol 2023; 14:1073037. [PMID: 37050909 PMCID: PMC10083437 DOI: 10.3389/fphar.2023.1073037] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 03/08/2023] [Indexed: 03/29/2023] Open
Abstract
Background: Pin1 is a member of the evolutionarily conserved peptidyl-prolyl isomerase (PPIase) family of proteins. Following phosphorylation, Pin1-catalyzed prolyl-isomerization induces conformational changes, which serve to regulate the function of many phosphorylated proteins that play important roles during oncogenesis. Thus, the inhibition of Pin1 provides a unique means of disrupting oncogenic pathways and therefore represents an appealing target for novel anticancer therapies.Methods: As Pin1 is conserved between yeast and humans, we employed budding yeast to establish a high-throughput screening method for the primary screening of Pin1 inhibitors. This effort culminated in the identification of the compounds HWH8-33 and HWH8-36. Multifaceted approaches were taken to determine the inhibition profiles of these compounds against Pin1 activity in vitro and in vivo, including an isomerization assay, surface plasmon resonance (SPR) technology, virtual docking, MTT proliferation assay, western blotting, cell cycle analysis, apoptosis analysis, immunofluorescence analysis, wound healing, migration assay, and nude mouse assay.Results:In vitro, HWH8-33 and HWH8-36 could bind to purified Pin1 and inhibited its enzyme activity; showed inhibitory effects on cancer cell proliferation; led to G2/M phase arrest, dysregulated downstream protein expression, and apoptosis; and suppressed cancer cell migration. In vivo, HWH8-33 suppressed tumor growth in the xenograft mice after oral administration for 4 weeks, with no noticeable toxicity. Together, these results show the anticancer activity of HWH8-33 and HWH8-36 against Pin1 for the first time.Conclusion: In summary, we identified two hit compounds HWH8-33 and HWH8-36, which after further structure optimization have the potential to be developed as antitumor drugs.
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Affiliation(s)
- Jing Zhang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Wenwen Zhou
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yunyu Chen
- Institute for Drug Screening and Evaluation, Wannan Medical College, Wuhu, China
| | - Yanchang Wang
- Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, FL, United States
| | - Zongru Guo
- Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Wenhui Hu
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, The Fifth Affiliated Hospital, School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou, China
| | - Yan Li
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- *Correspondence: Yan Li, ; Xiaomin Han, ; Shuyi Si,
| | - Xiaomin Han
- China National Center for Food Safety Risk Assessment, Key Laboratory of Food Safety Risk Assessment, Ministry of Health, Beijing, China
- *Correspondence: Yan Li, ; Xiaomin Han, ; Shuyi Si,
| | - Shuyi Si
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- *Correspondence: Yan Li, ; Xiaomin Han, ; Shuyi Si,
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9
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Reddi RN, Rogel A, Gabizon R, Rawale DG, Harish B, Marom S, Tivon B, Arbel YS, Gurwicz N, Oren R, David K, Liu J, Duberstein S, Itkin M, Malitsky S, Barr H, Katz BZ, Herishanu Y, Shachar I, Shulman Z, London N. Sulfamate Acetamides as Self-Immolative Electrophiles for Covalent Ligand-Directed Release Chemistry. J Am Chem Soc 2023; 145:3346-3360. [PMID: 36738297 PMCID: PMC9936582 DOI: 10.1021/jacs.2c08853] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Indexed: 02/05/2023]
Abstract
Electrophiles for covalent inhibitors that are suitable for in vivo administration are rare. While acrylamides are prevalent in FDA-approved covalent drugs, chloroacetamides are considered too reactive for such purposes. We report sulfamate-based electrophiles that maintain chloroacetamide-like geometry with tunable reactivity. In the context of the BTK inhibitor ibrutinib, sulfamate analogues showed low reactivity with comparable potency in protein labeling, in vitro, and cellular kinase activity assays and were effective in a mouse model of CLL. In a second example, we converted a chloroacetamide Pin1 inhibitor to a potent and selective sulfamate acetamide with improved buffer stability. Finally, we show that sulfamate acetamides can be used for covalent ligand-directed release (CoLDR) chemistry, both for the generation of "turn-on" probes as well as for traceless ligand-directed site-specific labeling of proteins. Taken together, this chemistry represents a promising addition to the list of electrophiles suitable for in vivo covalent targeting.
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Affiliation(s)
- Rambabu N. Reddi
- Dept.
of Chemical and Structural Biology, The
Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Adi Rogel
- Dept.
of Chemical and Structural Biology, The
Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Ronen Gabizon
- Dept.
of Chemical and Structural Biology, The
Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Dattatraya Gautam Rawale
- Dept.
of Chemical and Structural Biology, The
Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Battu Harish
- Dept.
of Chemical and Structural Biology, The
Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Shir Marom
- Dept.
of Chemical and Structural Biology, The
Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Barr Tivon
- Dept.
of Chemical and Structural Biology, The
Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Yamit Shorer Arbel
- Sackler
Faculty of Medicine, Tel Aviv University, Tel-Aviv 6997801, Israel
| | - Neta Gurwicz
- Dept.
of Systems Immunology, The Weizmann Institute
of Science, Rehovot 7610001, Israel
| | - Roni Oren
- Department
of Veterinary Resources, The Weizmann Institute
of Science, Rehovot 7610001, Israel
| | - Keren David
- Dept.
of Systems Immunology, The Weizmann Institute
of Science, Rehovot 7610001, Israel
| | - Jingjing Liu
- Dept.
of Systems Immunology, The Weizmann Institute
of Science, Rehovot 7610001, Israel
| | - Shirly Duberstein
- Wohl
Institute for Drug Discovery of the Nancy and Stephen Grand Israel
National Center for Personalized Medicine, The Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Maxim Itkin
- Life Sciences
Core Facilities, The Weizmann Institute
of Science, Rehovot 7610001, Israel
| | - Sergey Malitsky
- Life Sciences
Core Facilities, The Weizmann Institute
of Science, Rehovot 7610001, Israel
| | - Haim Barr
- Wohl
Institute for Drug Discovery of the Nancy and Stephen Grand Israel
National Center for Personalized Medicine, The Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Ben-Zion Katz
- Sackler
Faculty of Medicine, Tel Aviv University, Tel-Aviv 6997801, Israel
- Department
of Hematology, Tel Aviv Sourasky Medical
Center, Tel Aviv 6423906, Israel
| | - Yair Herishanu
- Sackler
Faculty of Medicine, Tel Aviv University, Tel-Aviv 6997801, Israel
- Department
of Hematology, Tel Aviv Sourasky Medical
Center, Tel Aviv 6423906, Israel
| | - Idit Shachar
- Dept.
of Systems Immunology, The Weizmann Institute
of Science, Rehovot 7610001, Israel
| | - Ziv Shulman
- Dept.
of Systems Immunology, The Weizmann Institute
of Science, Rehovot 7610001, Israel
| | - Nir London
- Dept.
of Chemical and Structural Biology, The
Weizmann Institute of Science, Rehovot 7610001, Israel
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10
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Chen XR, Igumenova TI. Regulation of eukaryotic protein kinases by Pin1, a peptidyl-prolyl isomerase. Adv Biol Regul 2023; 87:100938. [PMID: 36496344 PMCID: PMC9992314 DOI: 10.1016/j.jbior.2022.100938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 11/29/2022] [Indexed: 12/03/2022]
Abstract
The peptidyl-prolyl isomerase Pin1 cooperates with proline-directed kinases and phosphatases to regulate multiple oncogenic pathways. Pin1 specifically recognizes phosphorylated Ser/Thr-Pro motifs in proteins and catalyzes their cis-trans isomerization. The Pin1-catalyzed conformational changes determine the stability, activity, and subcellular localization of numerous protein substrates. We conducted a survey of eukaryotic protein kinases that are regulated by Pin1 and whose Pin1 binding sites have been identified. Our analyses reveal that Pin1 target sites in kinases do not fall exclusively within the intrinsically disordered regions of these enzymes. Rather, they fall into three groups based on their location: (i) within the catalytic kinase domain, (ii) in the C-terminal kinase region, and (iii) in regulatory domains. Some of the kinases downregulated by Pin1 activity are tumor-suppressing, and all kinases upregulated by Pin1 activity are functionally pro-oncogenic. These findings further reinforce the rationale for developing Pin1-specific inhibitors as attractive pharmaceuticals for cancer therapy.
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Affiliation(s)
- Xiao-Ru Chen
- Department of Biochemistry and Biophysics, Texas A&M University, College Station, TX, 77843, USA
| | - Tatyana I Igumenova
- Department of Biochemistry and Biophysics, Texas A&M University, College Station, TX, 77843, USA.
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11
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Schiene‐Fischer C, Fischer G, Braun M. Non-Immunosuppressive Cyclophilin Inhibitors. Angew Chem Int Ed Engl 2022; 61:e202201597. [PMID: 35290695 PMCID: PMC9804594 DOI: 10.1002/anie.202201597] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Indexed: 01/05/2023]
Abstract
Cyclophilins, enzymes with peptidyl-prolyl cis/trans isomerase activity, are relevant to a large variety of biological processes. The most abundant member of this enzyme family, cyclophilin A, is the cellular receptor of the immunosuppressive drug cyclosporine A (CsA). As a consequence of the pathophysiological role of cyclophilins, particularly in viral infections, there is a broad interest in cyclophilin inhibition devoid of immunosuppressive activity. This Review first gives an introduction into the physiological and pathophysiological roles of cyclophilins. The presentation of non-immunosuppressive cyclophilin inhibitors will commence with drugs based on chemical modifications of CsA. The naturally occurring macrocyclic sanglifehrins have become other lead structures for cyclophilin-inhibiting drugs. Finally, de novo designed compounds, whose structures are not derived from or inspired by natural products, will be presented. Relevant synthetic concepts will be discussed, but the focus will also be on biochemical studies, structure-activity relationships, and clinical studies.
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Affiliation(s)
- Cordelia Schiene‐Fischer
- Institute of Biochemistry and BiotechnologyMartin-Luther-University Halle-Wittenberg06099Halle (Saale)Germany
| | - Gunter Fischer
- Max Planck Institute for Biophysical Chemistry37077GöttingenGermany
| | - Manfred Braun
- Institute of Organic and Macromolecular ChemistryHeinrich-Heine-University Düsseldorf40225DüsseldorfGermany
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12
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Figueiredo KA, Magalhães Costa RK, Rocha JA, Chavez Gutierrez SJ, Ramos RM, Muálem de Moraes Alves M, Aécio de Amorim Carvalho F, Menezes Carvalho AL, Lima FDCA. Antileishmanial activity of Riparin structural analogs of Aniba riparia: Biological evaluation, in silico Adme-Tox, and molecular docking. Exp Parasitol 2022; 236-237:108257. [DOI: 10.1016/j.exppara.2022.108257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 03/17/2022] [Accepted: 04/03/2022] [Indexed: 11/25/2022]
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13
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Braun M, Schiene-Fischer C, Fischer G. Non‐Immunosuppressive Cyclophilin Inhibitors. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202201597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Manfred Braun
- Heinrich-Heine-Universität Düsseldorf: Heinrich-Heine-Universitat Dusseldorf Organic CHemistry Universitätsstr. 1 40225 Düsseldorf GERMANY
| | - Cordelia Schiene-Fischer
- Martin-Luther-Universität Halle-Wittenberg: Martin-Luther-Universitat Halle-Wittenberg Institute of Biochemistry and Biotechnology, GERMANY
| | - Gunter Fischer
- Max-Planck-Institut für Biophysikalische Chemie Abteilung Meiosis: Max-Planck-Institut fur Multidisziplinare Naturwissenschaften Abteilung Meiosis Max Planck Institute for Biophysical Chemistry GERMANY
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14
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Dubiella C, Pinch BJ, Koikawa K, Zaidman D, Poon E, Manz TD, Nabet B, He S, Resnick E, Rogel A, Langer EM, Daniel CJ, Seo HS, Chen Y, Adelmant G, Sharifzadeh S, Ficarro SB, Jamin Y, Martins da Costa B, Zimmerman MW, Lian X, Kibe S, Kozono S, Doctor ZM, Browne CM, Yang A, Stoler-Barak L, Shah RB, Vangos NE, Geffken EA, Oren R, Koide E, Sidi S, Shulman Z, Wang C, Marto JA, Dhe-Paganon S, Look T, Zhou XZ, Lu KP, Sears RC, Chesler L, Gray NS, London N. Sulfopin is a covalent inhibitor of Pin1 that blocks Myc-driven tumors in vivo. Nat Chem Biol 2021; 17:954-963. [PMID: 33972797 PMCID: PMC9119696 DOI: 10.1038/s41589-021-00786-7] [Citation(s) in RCA: 68] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 03/18/2021] [Indexed: 12/13/2022]
Abstract
The peptidyl-prolyl isomerase, Pin1, is exploited in cancer to activate oncogenes and inactivate tumor suppressors. However, despite considerable efforts, Pin1 has remained an elusive drug target. Here, we screened an electrophilic fragment library to identify covalent inhibitors targeting Pin1's active site Cys113, leading to the development of Sulfopin, a nanomolar Pin1 inhibitor. Sulfopin is highly selective, as validated by two independent chemoproteomics methods, achieves potent cellular and in vivo target engagement and phenocopies Pin1 genetic knockout. Pin1 inhibition had only a modest effect on cancer cell line viability. Nevertheless, Sulfopin induced downregulation of c-Myc target genes, reduced tumor progression and conferred survival benefit in murine and zebrafish models of MYCN-driven neuroblastoma, and in a murine model of pancreatic cancer. Our results demonstrate that Sulfopin is a chemical probe suitable for assessment of Pin1-dependent pharmacology in cells and in vivo, and that Pin1 warrants further investigation as a potential cancer drug target.
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Affiliation(s)
- Christian Dubiella
- Department of Organic Chemistry, The Weizmann Institute of Science, Rehovot, Israel
| | - Benika J Pinch
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
- Department of Chemistry and Chemical Biology, Department of Chemical Biology, Harvard University, Cambridge, MA, USA
| | - Kazuhiro Koikawa
- Department of Medicine, Division of Translational Therapeutics, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
- Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Daniel Zaidman
- Department of Organic Chemistry, The Weizmann Institute of Science, Rehovot, Israel
| | - Evon Poon
- Division of Clinical Studies, The Institute of Cancer Research, London, UK
| | - Theresa D Manz
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
- Department of Pharmaceutical and Medicinal Chemistry, Saarland University, Saarbruecken, Germany
| | - Behnam Nabet
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
| | - Shuning He
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Efrat Resnick
- Department of Organic Chemistry, The Weizmann Institute of Science, Rehovot, Israel
| | - Adi Rogel
- Department of Organic Chemistry, The Weizmann Institute of Science, Rehovot, Israel
| | - Ellen M Langer
- Department of Molecular and Medical Genetics, Oregon Health & Science University, Portland, OR, USA
- Knight Cancer Institute, Oregon Health & Science University, Portland, OR, USA
| | - Colin J Daniel
- Department of Molecular and Medical Genetics, Oregon Health & Science University, Portland, OR, USA
- Knight Cancer Institute, Oregon Health & Science University, Portland, OR, USA
| | - Hyuk-Soo Seo
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Ying Chen
- College of Chemistry and Molecular Engineering, Peking University, Beijing, China
| | - Guillaume Adelmant
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Oncologic Pathology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
- Blais Proteomics Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
- Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Shabnam Sharifzadeh
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Oncologic Pathology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
- Blais Proteomics Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
- Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Scott B Ficarro
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Oncologic Pathology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
- Blais Proteomics Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
- Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Yann Jamin
- Division of Radiotherapy and Imaging, The Institute of Cancer Research, London, UK
| | | | - Mark W Zimmerman
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Xiaolan Lian
- Department of Medicine, Division of Translational Therapeutics, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
- Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Shin Kibe
- Department of Medicine, Division of Translational Therapeutics, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
- Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Shingo Kozono
- Department of Medicine, Division of Translational Therapeutics, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
- Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Zainab M Doctor
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
| | - Christopher M Browne
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
- Discovery Biology, Discovery Sciences, Biopharmaceuticals R&D, AstraZeneca, Boston, MA, USA
| | - Annan Yang
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Liat Stoler-Barak
- Department of Immunology, The Weizmann Institute of Science, Rehovot, Israel
| | - Richa B Shah
- Department of Medicine, Division of Hematology and Medical Oncology, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Cell, Developmental and Regenerative Biology, The Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Nicholas E Vangos
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Ezekiel A Geffken
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Roni Oren
- Department of Veterinary Resources, The Weizmann Institute of Science, Rehovot, Israel
| | - Eriko Koide
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
| | - Samuel Sidi
- Department of Medicine, Division of Hematology and Medical Oncology, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Cell, Developmental and Regenerative Biology, The Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Ziv Shulman
- Department of Immunology, The Weizmann Institute of Science, Rehovot, Israel
| | - Chu Wang
- College of Chemistry and Molecular Engineering, Peking University, Beijing, China
| | - Jarrod A Marto
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Oncologic Pathology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
- Blais Proteomics Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
- Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Sirano Dhe-Paganon
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Thomas Look
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
- Division of Pediatric Hematology/Oncology Boston Children's Hospital, Boston, MA, USA
| | - Xiao Zhen Zhou
- Department of Medicine, Division of Translational Therapeutics, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
- Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Kun Ping Lu
- Department of Medicine, Division of Translational Therapeutics, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
- Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Rosalie C Sears
- Department of Molecular and Medical Genetics, Oregon Health & Science University, Portland, OR, USA
- Knight Cancer Institute, Oregon Health & Science University, Portland, OR, USA
- Brenden-Colson Center for Pancreatic Care, Oregon Health & Science University, Portland, OR, USA
| | - Louis Chesler
- Division of Clinical Studies, The Institute of Cancer Research, London, UK
| | - Nathanael S Gray
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA.
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA.
- Department of Chemical and Systems Biology, Chem-H and Stanford Cancer Institute, Stanford School of Medicine, Stanford University, Stanford, CA, USA.
| | - Nir London
- Department of Organic Chemistry, The Weizmann Institute of Science, Rehovot, Israel.
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15
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da Costa KS, Galúcio JM, de Jesus DA, Gomes GC, Lima E Lima AH, Taube PS, Dos Santos AM, Lameira J. Targeting Peptidyl-prolyl Cis-trans Isomerase NIMA-interacting 1: A Structure-based Virtual Screening Approach to Find Novel Inhibitors. Curr Comput Aided Drug Des 2021; 16:605-617. [PMID: 31654518 DOI: 10.2174/1573409915666191025114009] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 09/11/2019] [Accepted: 10/10/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND Peptidyl-prolyl cis-trans isomerase NIMA-interacting 1 (Pin1) is an enzyme that isomerizes phosphorylated serine or threonine motifs adjacent to proline residues. Pin1 has important roles in several cellular signaling pathways, consequently impacting the development of multiple types of cancers. METHODS Based on the previously reported inhibitory activity of pentacyclic triterpenoids isolated from the gum resin of Boswellia genus against Pin1, we designed a computational experiment using molecular docking, pharmacophore filtering, and structural clustering allied to molecular dynamics (MD) simulations and binding free energy calculations to explore the inhibitory activity of new triterpenoids against Pin1 structure. RESULTS Here, we report different computational evidence that triterpenoids from neem (Azadirachta indica A. Juss), such as 6-deacetylnimbinene, 6-Oacetylnimbandiol, and nimbolide, replicate the binding mode of the Pin1 substrate peptide, interacting with high affinity with the binding site and thus destabilizing the Pin1 structure. CONCLUSIONS Our results are supported by experimental data, and provide interesting structural insights into their molecular mechanism of action, indicating that their structural scaffolds could be used as a start point to develop new inhibitors against Pin1.
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Affiliation(s)
- Kauê Santana da Costa
- Institute of Biodiversity, Federal University of Western Para, Santarem, Para, Brazil
| | - João M Galúcio
- Institute of Biodiversity, Federal University of Western Para, Santarem, Para, Brazil
| | | | - Guelber Cardoso Gomes
- Institute of Pharmaceutical Sciences, Federal University of Para, 66075-110, Belem, Para, Brazil
| | | | - Paulo S Taube
- Institute of Biodiversity, Federal University of Western Para, Santarem, Para, Brazil
| | - Alberto M Dos Santos
- Institute of Biodiversity, Federal University of Western Para, Santarem, Para, Brazil
| | - Jerônimo Lameira
- Institute of Biological Sciences. Federal University of Para, 66075-110, Belem, Para, Brazil
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16
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Lei X, Lampiri P, Patil P, Angeli G, Neochoritis CG, Dömling A. A multicomponent tetrazolo indole synthesis. Chem Commun (Camb) 2021; 57:6652-6655. [PMID: 34128009 PMCID: PMC8259579 DOI: 10.1039/d1cc02384e] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The ubiquitous presence of the indole fragment in natural products and drugs asks for ever novel syntheses. We report an unprecedented mild, two-step synthesis of 2-tetrazolo substituted indoles based on the Ugi-tetrazole reaction combined with an acidic ring closure. A gram-scale synthesis, a bioactive compound and further transformations were performed. A short, diverse, and scalable Ugi synthesis towards the bioactive tetrazolo indoles.![]()
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Affiliation(s)
- Xiaofang Lei
- University of Crete, Department of Chemistry, Heraklion, Greece. and University of Groningen, Department of Pharmacy, Drug Design group, Groningen, The Netherlands.
| | | | - Pravin Patil
- University of Groningen, Department of Pharmacy, Drug Design group, Groningen, The Netherlands.
| | - Giasemi Angeli
- University of Crete, Department of Chemistry, Heraklion, Greece.
| | | | - Alexander Dömling
- University of Groningen, Department of Pharmacy, Drug Design group, Groningen, The Netherlands.
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17
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Leung JK, Imamura Y, Kato M, Wang J, Mawji NR, Sadar MD. Pin1 inhibition improves the efficacy of ralaniten compounds that bind to the N-terminal domain of androgen receptor. Commun Biol 2021; 4:381. [PMID: 33753863 PMCID: PMC7985297 DOI: 10.1038/s42003-021-01927-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 03/01/2021] [Indexed: 12/20/2022] Open
Abstract
Therapies for lethal castration-resistant prostate cancer (CRPC) are an unmet medical need. One mechanism underlying CRPC and resistance to hormonal therapies is the expression of constitutively active splice variant(s) of androgen receptor (AR-Vs) that lack its C-terminus ligand-binding domain. Transcriptional activities of AR-Vs and full-length AR reside in its N-terminal domain (NTD). Ralaniten is the only drug proven to bind AR NTD, and it showed promise of efficacy in Phase 1 trials. The peptidyl-prolyl isomerase Pin1 is frequently overexpressed in prostate cancer. Here we show that Pin1 interacted with AR NTD. The inhibition of Pin1 expression or its activity selectively reduced the transcriptional activities of full-length AR and AR-V7. Combination of Pin1 inhibitor with ralaniten promoted cell cycle arrest and had improved antitumor activity against CRPC xenografts in vivo compared to individual monotherapies. These findings support the rationale for therapy that combines a Pin1 inhibitor with ralaniten for treating CRPC.
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Affiliation(s)
- Jacky K Leung
- Department of Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
| | - Yusuke Imamura
- Department of Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
| | - Minoru Kato
- Department of Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
| | - Jun Wang
- Department of Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
| | - Nasrin R Mawji
- Department of Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
| | - Marianne D Sadar
- Department of Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada.
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18
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Du L, Wang X, Cui G, Xu B. Design, synthesis and biological evaluation of novel thiazole-based derivatives as human Pin1 inhibitors. Bioorg Med Chem 2021; 29:115878. [PMID: 33246256 DOI: 10.1016/j.bmc.2020.115878] [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: 09/02/2020] [Revised: 11/10/2020] [Accepted: 11/11/2020] [Indexed: 11/24/2022]
Abstract
Pin1 is a peptidyl prolyl cis-trans isomerase (PPIase) and inhibiting Pin1 is a potential way for discovering anti-tumor agents. With an aim to find potent Pin1 inhibitors with a novel scaffold, a series of thiazole derivatives with an alicyclic heterocycles on the 2-position were designed, synthesized and tested against human Pin1. Compound 9p bearing a 2-oxa-6-azaspiro [3,3] heptane moiety on the thiazole scaffold was identified as the most potent Pin1 inhibitor of this series with an IC50 value of 0.95 μM. The structure-activity relationship (SAR) and molecular modeling study indicated that introducing an alicyclic ring with an H-bond acceptor would be a viable way to improve the binding affinity.
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Affiliation(s)
- Lifei Du
- Beijing Key Laboratory of Active Substance Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Xiaoyu Wang
- Beijing Key Laboratory of Active Substance Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Guonan Cui
- Beijing Key Laboratory of Active Substance Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Bailing Xu
- Beijing Key Laboratory of Active Substance Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China.
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19
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Wang W, Zhang Q, Xiong X, Zheng Y, Yang W, Du L. Investigation on the influence of galloyl moiety to the peptidyl prolyl cis/trans isomerase Pin1: A spectral and computational analysis. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113870] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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20
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Scheuplein NJ, Bzdyl NM, Kibble EA, Lohr T, Holzgrabe U, Sarkar-Tyson M. Targeting Protein Folding: A Novel Approach for the Treatment of Pathogenic Bacteria. J Med Chem 2020; 63:13355-13388. [PMID: 32786507 DOI: 10.1021/acs.jmedchem.0c00911] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Infectious diseases are a major cause of morbidity and mortality worldwide, exacerbated by increasing antibiotic resistance in many bacterial species. The development of drugs with new modes of action is essential. A leading strategy is antivirulence, with the aim to target bacterial proteins that are important in disease causation and progression but do not affect growth, resulting in reduced selective pressure for resistance. Immunophilins, a superfamily of peptidyl-prolyl cis-trans isomerase (PPIase) enzymes have been shown to be important for virulence in a broad-spectrum of pathogenic bacteria. This Perspective will provide an overview of the recent advances made in understanding the role of each immunophilin family, cyclophilins, FK506 binding proteins (FKBPs), and parvulins in bacteria. Inhibitor design and medicinal chemistry strategies for development of novel drugs against bacterial FKBPs will be discussed. Furthermore, drugs against human cyclophilins and parvulins will be reviewed in their current indication as antiviral and anticancer therapies.
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Affiliation(s)
- Nicolas J Scheuplein
- Institute of Pharmacy and Food Chemistry, University of Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Nicole M Bzdyl
- Marshall Centre for Infectious Diseases Research and Training, School of Biomedical Sciences, University of Western Australia, 6009 Perth, Australia
| | - Emily A Kibble
- Marshall Centre for Infectious Diseases Research and Training, School of Biomedical Sciences, University of Western Australia, 6009 Perth, Australia.,School of Veterinary and Life Sciences, Murdoch University, 6150 Murdoch, Australia
| | - Theresa Lohr
- Institute of Pharmacy and Food Chemistry, University of Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Ulrike Holzgrabe
- Institute of Pharmacy and Food Chemistry, University of Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Mitali Sarkar-Tyson
- Marshall Centre for Infectious Diseases Research and Training, School of Biomedical Sciences, University of Western Australia, 6009 Perth, Australia
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21
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Trevisan DAC, da Silva PV, Farias ABP, Campanerut-Sá PAZ, Ribeiro TDVR, Faria DR, de Mendonça PSB, de Mello JCP, Seixas FAV, Mikcha JMG. Antibacterial activity of Barbatimão (Stryphnodendron adstringens) against Staphylococcus aureus: in vitro and in silico studies. Lett Appl Microbiol 2020; 71:259-271. [PMID: 32412089 DOI: 10.1111/lam.13317] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 05/08/2020] [Accepted: 05/09/2020] [Indexed: 12/23/2022]
Abstract
We evaluated the activity of the aqueous fraction and the ethyl acetate fraction of Stryphnodendron adstringens against Staphylococcus aureus and proposed their mechanism of action. The antibacterial activity of S. adstringens fractions was evaluated against S. aureus and the cell targets were rated by docking. The fractions showed moderate antibacterial activity against S. aureus without toxicity on two mammalian cell lines. They also showed synergistic antibacterial activity with tannic acid (TA). In silico assays indicated FabG, FabZ and FabI as probable targets. The metabolic pathway for fatty acid biosynthesis in S. aureus was affected by components of S. adstringens. The synergistic effect when combining TA with S. adstringens fractions suggests a natural alternative to S. aureus control. SIGNIFICANCE AND IMPACT OF THE STUDY: This is the first study describing the possible targets of action of Stryphnodendron adstringens on Staphylococcus aureus. Molecular dynamics simulations showed that the components of S. adstringens affected the metabolic pathway for fatty acid biosynthesis (FAS II) in S. aureus, inhibiting the FabI, FabG and FabZ enzymes. As tannic acid (TA) is a known inhibitor of some targets identified, we showed synergistic antibacterial activity of S. adstringens in combination with TA. This combination did not show toxicity against HaCaT and Vero cells and based on all these results we suggest that S. adstringens can be a natural and sustainable alternative to S. aureus control.
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Affiliation(s)
- D A C Trevisan
- Department of Clinical Analysis and Biomedicine, State University of Maringá, Maringá, Brazil
| | - P V da Silva
- Department of Technology, State University of Maringá, Maringá, Umuarama, PR, Brazil
| | - A B P Farias
- Department of Clinical Analysis and Biomedicine, State University of Maringá, Maringá, Brazil
| | - P A Z Campanerut-Sá
- Department of Clinical Analysis and Biomedicine, State University of Maringá, Maringá, Brazil
| | - T D V R Ribeiro
- Department of Pharmacy, State University of Maringá, Maringá, PR, Brazil
| | - D R Faria
- Department of Clinical Analysis and Biomedicine, State University of Maringá, Maringá, Brazil
| | - P S B de Mendonça
- Department of Clinical Analysis and Biomedicine, State University of Maringá, Maringá, Brazil
| | - J C P de Mello
- Department of Pharmacy, State University of Maringá, Maringá, PR, Brazil
| | - F A V Seixas
- Department of Technology, State University of Maringá, Maringá, Umuarama, PR, Brazil
| | - J M G Mikcha
- Department of Clinical Analysis and Biomedicine, State University of Maringá, Maringá, Brazil
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22
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Identification of a potent and selective covalent Pin1 inhibitor. Nat Chem Biol 2020; 16:979-987. [PMID: 32483379 PMCID: PMC7442691 DOI: 10.1038/s41589-020-0550-9] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Accepted: 04/15/2020] [Indexed: 12/16/2022]
Abstract
Peptidyl-prolyl cis/trans isomerase NIMA-interacting 1 (Pin1) is commonly overexpressed in human cancers, including pancreatic ductal adenocarcinoma (PDAC). While Pin1 is dispensable for viability in mice, it is required for activated Ras to induce tumorigenesis, suggesting a role for Pin1 inhibitors in Ras-driven tumors, such as PDAC. We report the development of rationally designed peptide inhibitors that covalently target Cys113, a highly conserved cysteine located in the Pin1 active site. The inhibitors were iteratively optimized for potency, selectivity, and cell permeability to give BJP-06–005-3, a versatile tool compound with which to probe Pin1 biology and interrogate its role in cancer. In parallel to inhibitor development, we employed genetic and chemical-genetic strategies to assess the consequences of Pin1 loss in human PDAC cell lines. We demonstrate that Pin1 cooperates with mutant KRAS to promote transformation in PDAC, and that Pin1 inhibition impairs cell viability over time in PDAC cell lines.
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23
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Makinwa Y, Musich PR, Zou Y. Phosphorylation-Dependent Pin1 Isomerization of ATR: Its Role in Regulating ATR's Anti-apoptotic Function at Mitochondria, and the Implications in Cancer. Front Cell Dev Biol 2020; 8:281. [PMID: 32426354 PMCID: PMC7203486 DOI: 10.3389/fcell.2020.00281] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 03/31/2020] [Indexed: 12/11/2022] Open
Abstract
Peptidyl-prolyl isomerization is an important post-translational modification of protein because proline is the only amino acid that can stably exist as cis and trans, while other amino acids are in the trans conformation in protein backbones. This makes prolyl isomerization a unique mechanism for cells to control many cellular processes. Isomerization is a rate-limiting process that requires a peptidyl-prolyl cis/trans isomerase (PPIase) to overcome the energy barrier between cis and trans isomeric forms. Pin1, a key PPIase in the cell, recognizes a phosphorylated Ser/Thr-Pro motif to catalyze peptidyl-prolyl isomerization in proteins. The significance of the phosphorylation-dependent Pin1 activity was recently highlighted for isomerization of ATR (ataxia telangiectasia- and Rad3-related). ATR, a PIKK protein kinase, plays a crucial role in DNA damage responses (DDR) by phosphorylating hundreds of proteins. ATR can form cis or trans isomers in the cytoplasm depending on Pin1 which isomerizes cis-ATR to trans-ATR. Trans-ATR functions primarily in the nucleus. The cis-ATR, containing an exposed BH3 domain, is anti-apoptotic at mitochondria by binding to tBid, preventing activation of pro-apoptotic Bax. Given the roles of apoptosis in many human diseases, particularly cancer, we propose that cytoplasmic cis-ATR enables cells to evade apoptosis, thus addicting cancer cells to cis-ATR formation for survival. But in normal DDR, a predominance of trans-ATR in the nucleus coordinates with a minimal level of cytoplasmic cis-ATR to promote DNA repair while preventing cell death; however, cells can die when DNA repair fails. Therefore, a delicate balance/equilibrium of the levels of cis- and trans-ATR is required to ensure the cellular homeostasis. In this review, we make a case that this anti-apoptotic role of cis-ATR supports oncogenesis, while Pin1 that drives the formation of trans-ATR suppresses tumor growth. We offer a potential, novel target that can be specifically targeted in cancer cells, without killing normal cells, to significantly reduce the adverse effects usually seen in cancer treatment. We also raise important issues regarding the roles of phosphorylation-dependent Pin1 isomerization of ATR in diseases and propose areas of future studies that would shed more understanding on this important cellular mechanism.
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Affiliation(s)
- Yetunde Makinwa
- Department of Cancer Biology, University of Toledo College of Medicine, Toledo, OH, United States
| | - Phillip R Musich
- Department of Biomedical Sciences, JH Quillen College of Medicine, East Tennessee State University, Johnson City, TN, United States
| | - Yue Zou
- Department of Cancer Biology, University of Toledo College of Medicine, Toledo, OH, United States.,Department of Biomedical Sciences, JH Quillen College of Medicine, East Tennessee State University, Johnson City, TN, United States
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24
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Torres F, Ghosh D, Strotz D, Chi CN, Davis B, Orts J. Protein-fragment complex structures derived by NMR molecular replacement. RSC Med Chem 2020; 11:591-596. [PMID: 33479661 PMCID: PMC7649837 DOI: 10.1039/d0md00068j] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Accepted: 04/23/2020] [Indexed: 01/16/2023] Open
Abstract
Recently we have established an NMR molecular replacement method, which is capable of solving the structure of the interaction site of protein-ligand complexes in a fully automated manner. While the method was successfully applied for ligands with strong and weak binding affinities, including small molecules and peptides, its applicability on ligand fragments remains to be shown. Structures of fragment-protein complexes are more challenging for the method since fragments contain only few protons. Here we show a successful application of the NMR molecular replacement method in solving structures of complexes between three derivatives of a ligand fragment and the protein receptor PIN1. We anticipate that this approach will find a broad application in fragment-based lead discovery.
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Affiliation(s)
- Felix Torres
- Laboratory of Physical Chemistry , ETH , Swiss Federal Institute of Technology , HCI F217, Vladimir-Prelog-Weg 2 , 8093 Zürich , Switzerland .
| | - Dhiman Ghosh
- Laboratory of Physical Chemistry , ETH , Swiss Federal Institute of Technology , HCI F217, Vladimir-Prelog-Weg 2 , 8093 Zürich , Switzerland .
| | - Dean Strotz
- Laboratory of Physical Chemistry , ETH , Swiss Federal Institute of Technology , HCI F217, Vladimir-Prelog-Weg 2 , 8093 Zürich , Switzerland .
| | - Celestine N Chi
- Laboratory of Physical Chemistry , ETH , Swiss Federal Institute of Technology , HCI F217, Vladimir-Prelog-Weg 2 , 8093 Zürich , Switzerland .
| | - Ben Davis
- Vernalis , Granta Park , Cambridge , UK
| | - Julien Orts
- Laboratory of Physical Chemistry , ETH , Swiss Federal Institute of Technology , HCI F217, Vladimir-Prelog-Weg 2 , 8093 Zürich , Switzerland .
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25
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Phosphosite Analysis of the Cytomegaloviral mRNA Export Factor pUL69 Reveals Serines with Critical Importance for Recruitment of Cellular Proteins Pin1 and UAP56/URH49. J Virol 2020; 94:JVI.02151-19. [PMID: 31969433 DOI: 10.1128/jvi.02151-19] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Accepted: 01/13/2020] [Indexed: 01/04/2023] Open
Abstract
Human cytomegalovirus (HCMV) encodes the viral mRNA export factor pUL69, which facilitates the cytoplasmic accumulation of mRNA via interaction with the cellular RNA helicase UAP56 or URH49. We reported previously that pUL69 is phosphorylated by cellular CDKs and the viral CDK-like kinase pUL97. Here, we set out to identify phosphorylation sites within pUL69 and to characterize their importance. Mass spectrometry-based phosphosite mapping of pUL69 identified 10 serine/threonine residues as phosphoacceptors. Surprisingly, only a few of these sites localized to the N terminus of pUL69, which could be due to the presence of additional posttranslational modifications, like arginine methylation. As an alternative approach, pUL69 mutants with substitutions of putative phosphosites were analyzed by Phos-tag SDS-PAGE. This demonstrated that serines S46 and S49 serve as targets for phosphorylation by pUL97. Furthermore, we provide evidence that phosphorylation of these serines mediates cis/trans isomerization by the prolyl isomerase Pin1, thus forming a functional Pin1 binding motif. Surprisingly, while abrogation of the Pin1 motif did not affect the replication of recombinant cytomegaloviruses, mutation of serines next to the interaction site for UAP56/URH49 strongly decreased viral replication. This was correlated with a loss of UAP56/URH49 recruitment. Intriguingly, the critical serines S13 and S15 were located within a sequence resembling the UAP56 binding motif (UBM) of cellular mRNA adaptor proteins like REF and UIF. We propose that betaherpesviral mRNA export factors have evolved an extended UAP56/URH49 recognition sequence harboring phosphorylation sites to increase their binding affinities. This may serve as a strategy to successfully compete with cellular mRNA adaptor proteins for binding to UAP56/URH49.IMPORTANCE The multifunctional regulatory protein pUL69 of human cytomegalovirus acts as a viral RNA export factor with a critical role in efficient replication. Here, we identify serine/threonine phosphorylation sites for cellular and viral kinases within pUL69. We demonstrate that the pUL97/CDK phosphosites within alpha-helix 2 of pUL69 are crucial for its cis/trans isomerization by the cellular protein Pin1. Thus, we identified pUL69 as the first HCMV-encoded protein that is phosphorylated by cellular and viral serine/threonine kinases in order to serve as a substrate for Pin1. Furthermore, our study revealed that betaherpesviral mRNA export proteins contain extended binding motifs for the cellular mRNA adaptor proteins UAP56/URH49 harboring phosphorylated serines that are critical for efficient viral replication. Knowledge of the phosphorylation sites of pUL69 and the processes regulated by these posttranslational modifications is important in order to develop antiviral strategies based on a specific interference with pUL69 phosphorylation.
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26
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Zhang ZZ, Yu WX, Zheng M, Liao XH, Wang JC, Yang DY, Lu WX, Wang L, Zhang S, Liu HK, Zhou XZ, Lu KP. PIN1 Inhibition Sensitizes Chemotherapy in Gastric Cancer Cells by Targeting Stem Cell-like Traits and Multiple Biomarkers. Mol Cancer Ther 2020; 19:906-919. [PMID: 31879364 DOI: 10.1158/1535-7163.mct-19-0656] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 09/25/2019] [Accepted: 12/19/2019] [Indexed: 11/16/2022]
Abstract
Gastric cancer is the third leading cause of cancer-related death worldwide. Diffuse type gastric cancer has the worst prognosis due to notorious resistance to chemotherapy and enrichment of cancer stem-like cells (CSC) associated with the epithelial-to-mesenchymal transition (EMT). The unique proline isomerase PIN1 is a common regulator of oncogenic signaling networks and is important for gastric cancer development. However, little is known about its roles in CSCs and drug resistance in gastric cancer. In this article, we demonstrate that PIN1 overexpression is closely correlated with advanced tumor stages, poor chemo-response and shorter recurrence-free survival in diffuse type gastric cancer in human patients. Furthermore, shRNA-mediated genetic or all-trans retinoic acid-mediated pharmaceutical inhibition of PIN1 in multiple human gastric cancer cells potently suppresses the EMT, cell migration and invasion, and lung metastasis. Moreover, PIN1 genetic or pharmaceutical inhibition potently eliminates gastric CSCs and suppresses their self-renewal and tumorigenicity in vitro and in vivo Consistent with these phenotypes, are that PIN1 biochemically targets multiple signaling molecules and biomarkers in EMT and CSCs and that genetic and pharmaceutical PIN1 inhibition functionally and drastically enhances the sensitivity of gastric cancer to multiple chemotherapy drugs in vitro and in vivo These results demonstrate that PIN1 inhibition sensitizes chemotherapy in gastric cancer cells by targeting CSCs, and suggest that PIN1 inhibitors may be used to overcome drug resistance in gastric cancer.
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Affiliation(s)
- Zhen-Zhen Zhang
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, Fujian Medical University, Fuzhou, Fujian, China.
- Department of Pathology of the First Affiliated Hospital, Fujian Medical University, Fuzhou, Fujian, China
| | - Wei-Xing Yu
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, Fujian Medical University, Fuzhou, Fujian, China
| | - Min Zheng
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, Fujian Medical University, Fuzhou, Fujian, China
| | - Xin-Hua Liao
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, Fujian Medical University, Fuzhou, Fujian, China
| | - Ji-Chuang Wang
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, Fujian Medical University, Fuzhou, Fujian, China
| | - Da-Yun Yang
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, Fujian Medical University, Fuzhou, Fujian, China
| | - Wen-Xian Lu
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, Fujian Medical University, Fuzhou, Fujian, China
| | - Long Wang
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, Fujian Medical University, Fuzhou, Fujian, China
| | - Sheng Zhang
- Department of Pathology of the First Affiliated Hospital, Fujian Medical University, Fuzhou, Fujian, China
| | - He-Kun Liu
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, Fujian Medical University, Fuzhou, Fujian, China
| | - Xiao Zhen Zhou
- Division of Translational Therapeutics, Department of Medicine and Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Kun Ping Lu
- Division of Translational Therapeutics, Department of Medicine and Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
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27
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Abstract
MYC is a master transcriptional regulator that controls almost all cellular processes. Over the last several decades, researchers have strived to define the context-dependent transcriptional gene programs that are controlled by MYC, as well as the mechanisms that regulate MYC function, in an effort to better understand the contribution of this oncoprotein to cancer progression. There are a wealth of data indicating that deregulation of MYC activity occurs in a large number of cancers and significantly contributes to disease progression, metastatic potential, and therapeutic resistance. Although the therapeutic targeting of MYC in cancer is highly desirable, there remain substantial structural and functional challenges that have impeded direct MYC-targeted drug development and efficacy. While efforts to drug the ‘undruggable’ may seem futile given these challenges and considering the broad reach of MYC, significant strides have been made to identify points of regulation that can be exploited for therapeutic purposes. These include targeting the deregulation of MYC transcription in cancer through small-molecule inhibitors that induce epigenetic silencing or that regulate the G-quadruplex structures within the MYC promoter. Alternatively, compounds that disrupt the DNA-binding activities of MYC have been the long-standing focus of many research groups, since this method would prevent downstream MYC oncogenic activities regardless of upstream alterations. Finally, proteins involved in the post-translational regulation of MYC have been identified as important surrogate targets to reduce MYC activity downstream of aberrant cell stimulatory signals. Given the complex regulation of the MYC signaling pathway, a combination of these approaches may provide the most durable response, but this has yet to be shown. Here, we provide a comprehensive overview of the different therapeutic strategies being employed to target oncogenic MYC function, with a focus on post-translational mechanisms.
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28
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Russo Spena C, De Stefano L, Poli G, Granchi C, El Boustani M, Ecca F, Grassi G, Grassi M, Canzonieri V, Giordano A, Tuccinardi T, Caligiuri I, Rizzolio F. Virtual screening identifies a PIN1 inhibitor with possible antiovarian cancer effects. J Cell Physiol 2019; 234:15708-15716. [PMID: 30697729 DOI: 10.1002/jcp.28224] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Accepted: 01/10/2019] [Indexed: 02/06/2023]
Abstract
Peptidyl-prolyl cis-trans isomerase, NIMA-interacting 1 (PIN1) is a peptidyl-prolyl isomerase that binds phospho-Ser/Thr-Pro motifs in proteins and catalyzes the cis-trans isomerization of proline peptide bonds. PIN1 is overexpressed in several cancers including high-grade serous ovarian cancer. Since few therapies are effective against this cancer, PIN1 could be a therapeutic target but effective PIN1 inhibitors are lacking. To identify molecules with in vivo inhibitory effects on PIN1, we used consensus docking to model existing PIN1-ligand X-ray structures and to screen a chemical database for candidate inhibitors. Ten molecules were selected and tested in cellular assays, leading to the identification of VS10 that bound and inhibited PIN1. VS10 treatment reduced the viability of ovarian cancer cell lines by inducing proteasomal PIN1 degradation, without effects on PIN1 transcription, and also reduced the levels of downstream targets β-catenin, cyclin D1, and pSer473-Akt. VS10 is a selective PIN1 inhibitor that may offer new opportunities for treating PIN1-overexpressing tumors.
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Affiliation(s)
- Concetta Russo Spena
- Pathology Unit, IRCCS CRO Aviano-National Cancer Institute, Aviano, Italy.,Doctoral School in Chemistry, University of Trieste, Trieste, Italy
| | - Lucia De Stefano
- Pathology Unit, IRCCS CRO Aviano-National Cancer Institute, Aviano, Italy.,Doctoral School in Chemistry, University of Trieste, Trieste, Italy
| | - Giulio Poli
- Department of Pharmacy, University of Pisa, Pisa, Italy
| | | | - Maguie El Boustani
- Pathology Unit, IRCCS CRO Aviano-National Cancer Institute, Aviano, Italy.,Doctoral School in Molecular Biomedicine, University of Trieste, Trieste, Italy
| | - Fabrizio Ecca
- Experimental and Clinical Pharmacology Unit, IRCCS CRO Aviano-National Cancer Institute, Aviano, Italy
| | - Gabriele Grassi
- Department of Life Sciences, Cattinara University Hospital, University of Trieste, Trieste, Italy
| | - Mario Grassi
- Department of Engineering and Architecture, University of Trieste, Trieste, Italy
| | - Vincenzo Canzonieri
- Pathology Unit, IRCCS CRO Aviano-National Cancer Institute, Aviano, Italy.,Center for Biotechnology, Sbarro Institute for Cancer Research and Molecular Medicine, College of Science and Technology, Temple University, Philadelphia, Pennsylvania.,Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy
| | - Antonio Giordano
- Center for Biotechnology, Sbarro Institute for Cancer Research and Molecular Medicine, College of Science and Technology, Temple University, Philadelphia, Pennsylvania
| | - Tiziano Tuccinardi
- Department of Pharmacy, University of Pisa, Pisa, Italy.,Center for Biotechnology, Sbarro Institute for Cancer Research and Molecular Medicine, College of Science and Technology, Temple University, Philadelphia, Pennsylvania
| | - Isabella Caligiuri
- Pathology Unit, IRCCS CRO Aviano-National Cancer Institute, Aviano, Italy
| | - Flavio Rizzolio
- Pathology Unit, IRCCS CRO Aviano-National Cancer Institute, Aviano, Italy.,Center for Biotechnology, Sbarro Institute for Cancer Research and Molecular Medicine, College of Science and Technology, Temple University, Philadelphia, Pennsylvania.,Department of Molecular Sciences and Nanosystems, Ca' Foscari University of Venice, Venezia-Mestre, Italy
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29
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Carlin CR. New Insights to Adenovirus-Directed Innate Immunity in Respiratory Epithelial Cells. Microorganisms 2019; 7:microorganisms7080216. [PMID: 31349602 PMCID: PMC6723309 DOI: 10.3390/microorganisms7080216] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 07/17/2019] [Accepted: 07/19/2019] [Indexed: 02/06/2023] Open
Abstract
The nuclear factor kappa-light-chain-enhancer of activated B cells (NFκB) family of transcription factors is a key component of the host innate immune response to infectious adenoviruses and adenovirus vectors. In this review, we will discuss a regulatory adenoviral protein encoded by early region 3 (E3) called E3-RIDα, which targets NFκB through subversion of novel host cell pathways. E3-RIDα down-regulates an EGF receptor signaling pathway, which overrides NFκB negative feedback control in the nucleus, and is induced by cell stress associated with viral infection and exposure to the pro-inflammatory cytokine TNF-α. E3-RIDα also modulates NFκB signaling downstream of the lipopolysaccharide receptor, Toll-like receptor 4, through formation of membrane contact sites controlling cholesterol levels in endosomes. These innate immune evasion tactics have yielded unique perspectives regarding the potential physiological functions of host cell pathways with important roles in infectious disease.
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Affiliation(s)
- Cathleen R Carlin
- Department of Molecular Biology and Microbiology and the Case Comprehensive Cancer Center, School of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA.
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30
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Sun D, Tan S, Xiong Y, Pu W, Li J, Wei W, Huang C, Wei YQ, Peng Y. MicroRNA Biogenesis is Enhanced by Liposome-Encapsulated Pin1 Inhibitor in Hepatocellular Carcinoma. Am J Cancer Res 2019; 9:4704-4716. [PMID: 31367251 PMCID: PMC6643437 DOI: 10.7150/thno.34588] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Accepted: 05/05/2019] [Indexed: 02/07/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is in an urgent need of new, effective therapies to reduce morbidity and mortality. We have previously demonstrated that peptidyl-prolyl cis/trans isomerase Pin1 is a potential target for HCC therapy, due to its pivotal role in HCC development through regulating miRNA biogenesis, and discovered the small molecule API-1 as a novel and specific Pin1 inhibitor. Despite its significant anti-HCC activity, the low water solubility and in vivo bioavailability of API-1 limit its clinical application. To address these issues, we herein developed a liposomal formulation of API-1 to improve API-1 delivery and enhance its anti-HCC efficacy. Methods: We designed and developed a nanoscale liposomal formulation of API-1, named as API-LP. Subsequently, the mean diameter, polydispersity, zeta potential, encapsulation efficiency and thermal properties of the optimization API-LP were characterized. The enhanced anti-HCC activity and the molecular mechanism of API-LP were investigated both in vitro and in vivo. Finally, the safety and pharmacokinetic property of API-LP were evaluated systematically. Results: API-LP had good formulation characteristics and exhibited an enhanced in vitro activity of suppressing proliferation and migration of HCC cells when compared with free API-1. The mechanism study showed that API-LP upregulated miRNA biogenesis via inhibiting Pin1 activity followed by restoring the nucleus-to-cytoplasm export of XPO5. Because of the increased delivery efficiency, API-LP displayed a stronger ability to promote miRNA biogenesis than free API-1. Importantly, API-LP displayed higher systemic exposure than free API-1 in mice without apparent toxicity, resulting in an enhanced tumor inhibition in xenograft mice. Conclusion: The development and assessment of API-LP provide an attractive and safe anti-HCC agent, highlighting the miRNA-based treatment for human cancers.
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31
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Zhang Z, Yu W, Zheng M, Liao X, Wang J, Yang D, Lu W, Wang L, Zhang S, Liu H, Zhou XZ, Lu KP. Pin1 inhibition potently suppresses gastric cancer growth and blocks PI3K/AKT and Wnt/β-catenin oncogenic pathways. Mol Carcinog 2019; 58:1450-1464. [PMID: 31026381 DOI: 10.1002/mc.23027] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Revised: 03/29/2019] [Accepted: 04/09/2019] [Indexed: 12/15/2022]
Abstract
Gastric cancer is the second leading cause of cancer-related mortality and the fourth most common cancer globally. High intratumor heterogeneity of advanced gastric cancer poses great challenges to targeted therapy due to simultaneous activation of many redundant cancer-driving pathways. A central common signaling mechanism in cancer is proline-directed phosphorylation, which is further regulated by the unique proline isomerase Pin1. Pin1 inhibition exerts anticancer activity by blocking multiple cancer-driving pathways in some cancers, but its role in gastric cancer is not fully understood. Here we detected Pin1 protein expression in 1065 gastric cancer patients and paired normal tissues using immunohistochemistry and Western blot, and then examined the effects of Pin1 overexpression, and genetic and chemical Pin1 inhibition using Pin1 short hairpin RNA or small molecule inhibitor all-trans retinoic acid (ATRA) on tumorigenesis of human gastric cancer in vitro and in vivo, followed by biochemical analyses to elucidate Pin1 regulated oncogenic pathways. We found that Pin1 was significantly overexpressed in primary and metastasized tumors, with Pin1 overexpression being correlated with advanced stage and poor prognosis. Furthermore, whereas Pin1 overexpression promoted the transformed phenotype in immortalized and nontransformed human gastric cells, either genetic or chemical Pin1 inhibition in multiple human gastric cancer cells potently suppressed cell growth, G1/S transition and colony formation in vitro, as well as tumor growth in xenograft tumor models in vivo, which were further supported by downregulation of multiple key oncoproteins in PI3K/AKT and Wnt/β-catenin signaling pathways. These results not only provide the first evidence for a critical role of Pin1 in the tumorigenesis of gastric cancer but also suggest that targeting Pin1 using ATRA or other inhibitors offers an effective new therapeutic approach for treating advanced gastric cancer.
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Affiliation(s)
- Zhenzhen Zhang
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, Fujian Medical University, Fuzhou, Fujian, China.,Department of Pathology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China
| | - Weixing Yu
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, Fujian Medical University, Fuzhou, Fujian, China
| | - Min Zheng
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, Fujian Medical University, Fuzhou, Fujian, China
| | - Xinhua Liao
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, Fujian Medical University, Fuzhou, Fujian, China
| | - Jichuang Wang
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, Fujian Medical University, Fuzhou, Fujian, China
| | - Dayun Yang
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, Fujian Medical University, Fuzhou, Fujian, China
| | - Wenxian Lu
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, Fujian Medical University, Fuzhou, Fujian, China
| | - Long Wang
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, Fujian Medical University, Fuzhou, Fujian, China
| | - Sheng Zhang
- Department of Pathology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China
| | - Hekun Liu
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, Fujian Medical University, Fuzhou, Fujian, China
| | - Xiao Zhen Zhou
- Division of Translational Therapeutics, Department of Medicine and Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Kun Ping Lu
- Division of Translational Therapeutics, Department of Medicine and Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
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32
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Zhu W, Li Y, Liu M, Zhu J, Yang Y. Uncorrelated Effect of Interdomain Contact on Pin1 Isomerase Activity Reveals Positive Catalytic Cooperativity. J Phys Chem Lett 2019; 10:1272-1278. [PMID: 30821977 DOI: 10.1021/acs.jpclett.9b00052] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Pin1 is a two-domain peptidyl-prolyl isomerase (PPIase) associated with neurodegeneration and tumorigenesis. The two domains, a WW and a PPIase domain, are connected by a flexible linker, making Pin1 adopt various conformations ranging from compact to extended, wherein Pin1 exhibits different extents of interdomain contact. Previous studies have shown that weakening interdomain contact increases the isomerase activity of Pin1. Here, we propose an NMR chemical shift correlation-analysis-based method that will be general for two-domain proteins to gauge two-state populations of Pin1, and we report a linker-modified mutant of Pin1 with enhanced interdomain contact and increased isomerase activity, with the latter suggesting an uncorrelated effect of interdomain contact on isomerase activity. Thus, although bindings of different substrates in the WW domain impose opposite effects on interdomain contact, in both cases, it may promote isomerization, implying cooperativity between substrate binding in the WW domain and isomerization in the PPIase domain.
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Affiliation(s)
- Wenkai Zhu
- State Key Laboratory of Magnetic Resonance and Atomic Molecular Physics, Key Laboratory of Magnetic Resonance in Biological Systems, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics , Chinese Academy of Sciences , Wuhan 430071 , People's Republic of China
- University of Chinese Academy of Sciences , Beijing 100049 , People's Republic of China
| | - Ying Li
- State Key Laboratory of Magnetic Resonance and Atomic Molecular Physics, Key Laboratory of Magnetic Resonance in Biological Systems, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics , Chinese Academy of Sciences , Wuhan 430071 , People's Republic of China
| | - Maili Liu
- State Key Laboratory of Magnetic Resonance and Atomic Molecular Physics, Key Laboratory of Magnetic Resonance in Biological Systems, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics , Chinese Academy of Sciences , Wuhan 430071 , People's Republic of China
- University of Chinese Academy of Sciences , Beijing 100049 , People's Republic of China
| | - Jiang Zhu
- State Key Laboratory of Magnetic Resonance and Atomic Molecular Physics, Key Laboratory of Magnetic Resonance in Biological Systems, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics , Chinese Academy of Sciences , Wuhan 430071 , People's Republic of China
| | - Yunhuang Yang
- State Key Laboratory of Magnetic Resonance and Atomic Molecular Physics, Key Laboratory of Magnetic Resonance in Biological Systems, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics , Chinese Academy of Sciences , Wuhan 430071 , People's Republic of China
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33
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Zannini A, Rustighi A, Campaner E, Del Sal G. Oncogenic Hijacking of the PIN1 Signaling Network. Front Oncol 2019; 9:94. [PMID: 30873382 PMCID: PMC6401644 DOI: 10.3389/fonc.2019.00094] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Accepted: 02/01/2019] [Indexed: 12/18/2022] Open
Abstract
Cellular choices are determined by developmental and environmental stimuli through integrated signal transduction pathways. These critically depend on attainment of proper activation levels that in turn rely on post-translational modifications (PTMs) of single pathway members. Among these PTMs, post-phosphorylation prolyl-isomerization mediated by PIN1 represents a unique mechanism of spatial, temporal and quantitative control of signal transduction. Indeed PIN1 was shown to be crucial for determining activation levels of several pathways and biological outcomes downstream to a plethora of stimuli. Of note, studies performed in different model organisms and humans have shown that hormonal, nutrient, and oncogenic stimuli simultaneously affect both PIN1 activity and the pathways that depend on PIN1-mediated prolyl-isomerization, suggesting the existence of evolutionarily conserved molecular circuitries centered on this isomerase. This review focuses on molecular mechanisms and cellular processes like proliferation, metabolism, and stem cell fate, that are regulated by PIN1 in physiological conditions, discussing how these are subverted in and hijacked by cancer cells. Current status and open questions regarding the use of PIN1 as biomarker and target for cancer therapy as well as clinical development of PIN1 inhibitors are also addressed.
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Affiliation(s)
- Alessandro Zannini
- National Laboratory CIB, Trieste, Italy.,Department of Life Sciences, University of Trieste, Trieste, Italy
| | - Alessandra Rustighi
- National Laboratory CIB, Trieste, Italy.,Department of Life Sciences, University of Trieste, Trieste, Italy
| | | | - Giannino Del Sal
- National Laboratory CIB, Trieste, Italy.,Department of Life Sciences, University of Trieste, Trieste, Italy.,IFOM - Istituto FIRC Oncologia Molecolare, Milan, Italy
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Kim G, Bhattarai PY, Choi HS. Peptidyl-prolyl cis/trans isomerase NIMA-interacting 1 as a molecular target in breast cancer: a therapeutic perspective of gynecological cancer. Arch Pharm Res 2019; 42:128-139. [PMID: 30684192 DOI: 10.1007/s12272-019-01122-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2018] [Accepted: 01/16/2019] [Indexed: 12/11/2022]
Abstract
Peptidyl-prolyl cis/trans isomerase NIMA-interacting 1 (PIN1) induces conformational and functional changes to numerous key signaling molecules following proline-directed phosphorylation and its deregulation contributes to disease, particularly cancer. PIN1 is overexpressed in breast cancer, promoting cell proliferation and transformation in collaboration with several oncogenic signaling pathways, and is correlated with a poor clinical outcome. PIN1 level is also increased in certain gynecological cancers such as cervical, ovarian, and endometrial cancers. Although women with breast cancer are at risk of developing a second primary gynecological malignancy, particularly of the endometrium and ovary, the common oncogenic signaling pathway mediated by PIN1 has not been noted to date. This review discusses the roles of PIN1 in breast tumorigenesis and gynecological cancer progression, as well as the clinical effect of targeting this enzyme in breast and gynecological cancers.
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Affiliation(s)
- Garam Kim
- College of Pharmacy, Chosun University, 309 Philmundaero, Dong-gu, Gwangju, 61452, Republic of Korea
| | - Poshan Yugal Bhattarai
- College of Pharmacy, Chosun University, 309 Philmundaero, Dong-gu, Gwangju, 61452, Republic of Korea
| | - Hong Seok Choi
- College of Pharmacy, Chosun University, 309 Philmundaero, Dong-gu, Gwangju, 61452, Republic of Korea.
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35
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An IRAK1-PIN1 signalling axis drives intrinsic tumour resistance to radiation therapy. Nat Cell Biol 2019; 21:203-213. [PMID: 30664786 PMCID: PMC6428421 DOI: 10.1038/s41556-018-0260-7] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Accepted: 12/07/2018] [Indexed: 11/30/2022]
Abstract
Drug-based strategies to overcome tumour resistance to radiotherapy (R-RT) remain limited by the single-agent toxicity of traditional radiosensitizers (e.g., platinums) and a lack of targeted alternatives. In a screen for compounds that restore radiosensitivity in p53 mutant zebrafish while tolerated in non-irradiated wild-type animals, we identified the benzimidazole anthelmintic, oxfendazole. Surprisingly, oxfendazole acts via inhibition of IRAK1, a kinase otherwise involved in Interleukin-1 and Toll-like receptor (IL-1R/TLR) immune responses. IRAK1 drives R-RT in a pathway involving IRAK4 and TRAF6 but not the IL-1R/TLR—IRAK adaptor MyD88. Rather than stimulating NF-κB, radiation-activated IRAK1 acts to prevent apoptosis mediated by the PIDDosome complex (PIDD/RAIDD/caspase-2). Countering this pathway with IRAK1 inhibitors suppresses R-RT in tumour models derived from cancers in which TP53 mutations predict R-RT. Lastly, IRAK1 inhibitors synergize with inhibitors of PIN1, a prolyl isomerase essential for IRAK1 activation in response to pathogens and, as shown here, ionizing radiation. These data identify an IRAK1 radiation-response pathway as a rational chemo-RT target.
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Celastrol strongly inhibits proliferation, migration and cancer stem cell properties through suppression of Pin1 in ovarian cancer cells. Eur J Pharmacol 2019; 842:146-156. [DOI: 10.1016/j.ejphar.2018.10.043] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Revised: 10/22/2018] [Accepted: 10/29/2018] [Indexed: 12/25/2022]
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37
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Ieda N, Itoh K, Inoue Y, Izumiya Y, Kawaguchi M, Miyata N, Nakagawa H. An irreversible inhibitor of peptidyl-prolyl cis/trans isomerase Pin1 and evaluation of cytotoxicity. Bioorg Med Chem Lett 2018; 29:353-356. [PMID: 30585173 DOI: 10.1016/j.bmcl.2018.12.044] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Revised: 12/11/2018] [Accepted: 12/18/2018] [Indexed: 12/22/2022]
Abstract
Pin1 (protein interacting with never in mitosis A-1) is a member of the peptidyl prolyl isomerase (PPIase) family, and catalyzes cis-trans isomerization of pThr/Ser-Pro amide bonds. Because Pin1 is overexpressed in various cancer cell lines and promotes cell growth, it is considered a target for anticancer agents. Here, we designed and synthesized a covalently binding Pin1 inhibitor (S)-2 to target Pin1's active site. This compound inhibited Pin1 in protease-coupled assay, and formed a covalent bond with Cys113 of Pin1, as determined by ESI-MS. The acetoxymethyl ester of (S)-2, i.e., 6, suppressed cyclin D1 expression in human prostate cancer PC-3 cells, and exhibited cytotoxicity. Pin1-knockdown experiments indicated that a target for the cytotoxicity of 6 is Pin1.
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Affiliation(s)
- Naoya Ieda
- Graduate School of Pharmaceutical Sciences, Nagoya Citi University, 3-1, Tanabe-dori, Mizuho-ku, Nagoya, Aichi 467-8603, Japan
| | - Kaoru Itoh
- Graduate School of Pharmaceutical Sciences, Nagoya Citi University, 3-1, Tanabe-dori, Mizuho-ku, Nagoya, Aichi 467-8603, Japan
| | - Yasumichi Inoue
- Graduate School of Pharmaceutical Sciences, Nagoya Citi University, 3-1, Tanabe-dori, Mizuho-ku, Nagoya, Aichi 467-8603, Japan
| | - Yusuke Izumiya
- Faculty of Pharmaceutical Sciences, Nagoya Citi University, 3-1, Tanabe-dori, Mizuho-ku, Nagoya, Aichi 467-8603, Japan
| | - Mitusyasu Kawaguchi
- Graduate School of Pharmaceutical Sciences, Nagoya Citi University, 3-1, Tanabe-dori, Mizuho-ku, Nagoya, Aichi 467-8603, Japan
| | - Naoki Miyata
- Graduate School of Pharmaceutical Sciences, Nagoya Citi University, 3-1, Tanabe-dori, Mizuho-ku, Nagoya, Aichi 467-8603, Japan
| | - Hidehiko Nakagawa
- Graduate School of Pharmaceutical Sciences, Nagoya Citi University, 3-1, Tanabe-dori, Mizuho-ku, Nagoya, Aichi 467-8603, Japan.
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Molecular Targets of Epigallocatechin-Gallate (EGCG): A Special Focus on Signal Transduction and Cancer. Nutrients 2018; 10:nu10121936. [PMID: 30563268 PMCID: PMC6315581 DOI: 10.3390/nu10121936] [Citation(s) in RCA: 163] [Impact Index Per Article: 27.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 11/30/2018] [Accepted: 12/04/2018] [Indexed: 12/15/2022] Open
Abstract
Green tea is a beverage that is widely consumed worldwide and is believed to exert effects on different diseases, including cancer. The major components of green tea are catechins, a family of polyphenols. Among them, epigallocatechin-gallate (EGCG) is the most abundant and biologically active. EGCG is widely studied for its anti-cancer properties. However, the cellular and molecular mechanisms explaining its action have not been completely understood, yet. EGCG is effective in vivo at micromolar concentrations, suggesting that its action is mediated by interaction with specific targets that are involved in the regulation of crucial steps of cell proliferation, survival, and metastatic spread. Recently, several proteins have been identified as EGCG direct interactors. Among them, the trans-membrane receptor 67LR has been identified as a high affinity EGCG receptor. 67LR is a master regulator of many pathways affecting cell proliferation or apoptosis, also regulating cancer stem cells (CSCs) activity. EGCG was also found to be interacting directly with Pin1, TGFR-II, and metalloproteinases (MMPs) (mainly MMP2 and MMP9), which respectively regulate EGCG-dependent inhibition of NF-kB, epithelial-mesenchimal transaction (EMT) and cellular invasion. EGCG interacts with DNA methyltransferases (DNMTs) and histone deacetylases (HDACs), which modulates epigenetic changes. The bulk of this novel knowledge provides information about the mechanisms of action of EGCG and may explain its onco-suppressive function. The identification of crucial signalling pathways that are related to cancer onset and progression whose master regulators interacts with EGCG may disclose intriguing pharmacological targets, and eventually lead to novel combined treatments in which EGCG acts synergistically with known drugs.
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Ma T, Huang M, Li A, Zhao F, Li D, Liu D, Zhao L. Design, synthesis and biological evaluation of benzimidazole derivatives as novel human Pin1 inhibitors. Bioorg Med Chem Lett 2018; 29:1859-1863. [PMID: 31103446 DOI: 10.1016/j.bmcl.2018.11.045] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 11/19/2018] [Accepted: 11/22/2018] [Indexed: 10/27/2022]
Abstract
In this work, a series of novel benzimidazole derivatives were designed and synthesized as Pin1 inhibitors. Protease-coupled assay was used to investigate the Pin1 inhibitory potency of all synthesized compounds. Thirteen of them showed preferable Pin1 inhibitory effects with IC50 values lower than 5 μM, and 12a, 15b, 15d and 16c exhibited the most promising Pin1 inhibitory activity at low micromolar level (0.33-1.00 μM) than the positive control compound Juglone. Flow cytometry results showed that treating PC-3 cells with 16c caused slight cycle arrest in a concentration-dependent manner. The structure-activity relationships of R1, R2, R3 and linker of the benzimidazole derivatives were analyzed in detail, which would help further exploration of new Pin1 inhibitors.
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Affiliation(s)
- Tianyi Ma
- Key Laboratory of Structure-based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, PR China
| | - Min Huang
- Key Laboratory of Structure-based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, PR China
| | - Aihua Li
- Key Laboratory of Structure-based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, PR China
| | - Feng Zhao
- Key Laboratory of Structure-based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, PR China
| | - Deyi Li
- Key Laboratory of Structure-based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, PR China
| | - Dan Liu
- Key Laboratory of Structure-based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, PR China.
| | - Linxiang Zhao
- Key Laboratory of Structure-based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, PR China.
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40
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Lee YM, Liou YC. Gears-In-Motion: The Interplay of WW and PPIase Domains in Pin1. Front Oncol 2018; 8:469. [PMID: 30460195 PMCID: PMC6232885 DOI: 10.3389/fonc.2018.00469] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Accepted: 10/04/2018] [Indexed: 01/22/2023] Open
Abstract
Pin1 belongs to the family of the peptidyl-prolyl cis-trans isomerase (PPIase), which is a class of enzymes that catalyze the cis/trans isomerization of the Proline residue. Pin1 is unique and only catalyzes the phosphorylated Serine/Threonine-Proline (S/T-P) motifs of a subset of proteins. Since the discovery of Pin1 as a key protein in cell cycle regulation, it has been implicated in numerous diseases, ranging from cancer to neurodegenerative diseases. The main features of Pin1 lies in its two main domains: the WW (two conserved tryptophan) domain and the PPIase domain. Despite extensive studies trying to understand the mechanisms of Pin1 functions, how these two domains contribute to the biological roles of Pin1 in cellular signaling requires more investigations. The WW domain of Pin1 is known to have a higher affinity to its substrate than that of the PPIase domain. Yet, the WW domain seems to prefer the trans configuration of phosphorylated S/T-P motif, while the PPIase catalyzes the cis to trans isomerasion. Such contradicting information has generated much confusion as to the actual mechanism of Pin1 function. In addition, dynamic allostery has been suggested to be important for Pin1 function. Henceforth, in this review, we will be looking at the progress made in understanding the function of Pin1, and how these understandings can aid us in overcoming the diseases implicated by Pin1 such as cancer during drug development.
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Affiliation(s)
- Yew Mun Lee
- Department of Biological Sciences, Faculty of Science, National University of Singapore, Singapore, Singapore
| | - Yih-Cherng Liou
- Department of Biological Sciences, Faculty of Science, National University of Singapore, Singapore, Singapore
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41
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Tecalco-Cruz AC, Ramírez-Jarquín JO. Polyubiquitination inhibition of estrogen receptor alpha and its implications in breast cancer. World J Clin Oncol 2018; 9:60-70. [PMID: 30148069 PMCID: PMC6107474 DOI: 10.5306/wjco.v9.i4.60] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 06/22/2018] [Accepted: 06/28/2018] [Indexed: 02/06/2023] Open
Abstract
Estrogen receptor alpha (ERα) is detected in more than 70% of the cases of breast cancer. Nuclear activity of ERα, a transcriptional regulator, is linked to the development of mammary tumors, whereas the extranuclear activity of ERα is related to endocrine therapy resistance. ERα polyubiquitination is induced by the estradiol hormone, and also by selective estrogen receptor degraders, resulting in ERα degradation via the ubiquitin proteasome system. Moreover, polyubiquitination is related to the ERα transcription cycle, and some E3-ubiquitin ligases also function as coactivators for ERα. Several studies have demonstrated that ERα polyubiquitination is inhibited by multiple mechanisms that include posttranslational modifications, interactions with coregulators, and formation of specific protein complexes with ERα. These events are responsible for an increase in ERα protein levels and deregulation of its signaling in breast cancers. Thus, ERα polyubiquitination inhibition may be a key factor in the progression of breast cancer and resistance to endocrine therapy.
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Affiliation(s)
- Angeles C Tecalco-Cruz
- Programa de Investigación de Cáncer de Mama (PICM), Departamento de Biología Molecular y Biotecnología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, México 04510, México
| | - Josué O Ramírez-Jarquín
- Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, México 04510, México
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42
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Kozono S, Lin YM, Seo HS, Pinch B, Lian X, Qiu C, Herbert MK, Chen CH, Tan L, Gao ZJ, Massefski W, Doctor ZM, Jackson BP, Chen Y, Dhe-Paganon S, Lu KP, Zhou XZ. Arsenic targets Pin1 and cooperates with retinoic acid to inhibit cancer-driving pathways and tumor-initiating cells. Nat Commun 2018; 9:3069. [PMID: 30093655 PMCID: PMC6085299 DOI: 10.1038/s41467-018-05402-2] [Citation(s) in RCA: 108] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Accepted: 07/05/2018] [Indexed: 12/27/2022] Open
Abstract
Arsenic trioxide (ATO) and all-trans retinoic acid (ATRA) combination safely cures fatal acute promyelocytic leukemia, but their mechanisms of action and efficacy are not fully understood. ATRA inhibits leukemia, breast, and liver cancer by targeting isomerase Pin1, a master regulator of oncogenic signaling networks. Here we show that ATO targets Pin1 and cooperates with ATRA to exert potent anticancer activity. ATO inhibits and degrades Pin1, and suppresses its oncogenic function by noncovalent binding to Pin1's active site. ATRA increases cellular ATO uptake through upregulating aquaporin-9. ATO and ATRA, at clinically safe doses, cooperatively ablate Pin1 to block numerous cancer-driving pathways and inhibit the growth of triple-negative breast cancer cells and tumor-initiating cells in cell and animal models including patient-derived orthotopic xenografts, like Pin1 knockout, which is substantiated by comprehensive protein and microRNA analyses. Thus, synergistic targeting of Pin1 by ATO and ATRA offers an attractive approach to combating breast and other cancers.
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Affiliation(s)
- Shingo Kozono
- Department of Medicine, Division of Translational Therapeutics, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
- Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
| | - Yu-Min Lin
- Department of Medicine, Division of Translational Therapeutics, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
- Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
| | - Hyuk-Soo Seo
- Department of Cancer Biology, Dana Farber Cancer Institute, Boston, MA, 02115, USA
| | - Benika Pinch
- Department of Cancer Biology, Dana Farber Cancer Institute, Boston, MA, 02115, USA
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA, 02138, USA
| | - Xiaolan Lian
- Department of Medicine, Division of Translational Therapeutics, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
- Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
- Fujian Institute of Hematology, Fujian Provincial Key Laboratory on Hematology, Fujian Medical University Union Hospital, Fuzhou, Fujian, 350108, China
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, Fujian Medical University, Fuzhou, Fujian, 350108, China
| | - Chenxi Qiu
- Department of Medicine, Division of Translational Therapeutics, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
- Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, 02142, USA
| | - Megan K Herbert
- Department of Medicine, Division of Translational Therapeutics, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
- Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
| | - Chun-Hau Chen
- Department of Medicine, Division of Translational Therapeutics, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
- Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
| | - Li Tan
- Department of Cancer Biology, Dana Farber Cancer Institute, Boston, MA, 02115, USA
| | - Ziang Jeff Gao
- Department of Medicine, Division of Translational Therapeutics, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
- Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
| | - Walter Massefski
- Department of Cancer Biology, Dana Farber Cancer Institute, Boston, MA, 02115, USA
| | - Zainab M Doctor
- Department of Cancer Biology, Dana Farber Cancer Institute, Boston, MA, 02115, USA
| | - Brian P Jackson
- Trace Element Analysis Lab, Dartmouth College, Hanover, NH, 03755, USA
| | - Yuanzhong Chen
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, Fujian Medical University, Fuzhou, Fujian, 350108, China
| | - Sirano Dhe-Paganon
- Department of Cancer Biology, Dana Farber Cancer Institute, Boston, MA, 02115, USA
| | - Kun Ping Lu
- Department of Medicine, Division of Translational Therapeutics, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA.
- Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA.
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, Fujian Medical University, Fuzhou, Fujian, 350108, China.
- Broad Institute of MIT and Harvard, Cambridge, MA, 02142, USA.
| | - Xiao Zhen Zhou
- Department of Medicine, Division of Translational Therapeutics, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA.
- Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA.
- Broad Institute of MIT and Harvard, Cambridge, MA, 02142, USA.
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Pu W, Li J, Zheng Y, Shen X, Fan X, Zhou JK, He J, Deng Y, Liu X, Wang C, Yang S, Chen Q, Liu L, Zhang G, Wei YQ, Peng Y. Targeting Pin1 by inhibitor API-1 regulates microRNA biogenesis and suppresses hepatocellular carcinoma development. Hepatology 2018; 68:547-560. [PMID: 29381806 DOI: 10.1002/hep.29819] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Revised: 01/23/2018] [Accepted: 01/25/2018] [Indexed: 02/05/2023]
Abstract
UNLABELLED Hepatocellular carcinoma (HCC) is a leading cause of cancer death worldwide, but there are few effective treatments. Aberrant microRNA (miRNA) biogenesis is correlated with HCC development. We previously demonstrated that peptidyl-prolyl cis-trans isomerase NIMA-interacting 1 (Pin1) participates in miRNA biogenesis and is a potential HCC treatment target. However, how Pin1 modulates miRNA biogenesis remains obscure. Here, we present in vivo evidence that Pin1 overexpression is directly linked to the development of HCC. Administration with the Pin1 inhibitor (API-1), a specific small molecule targeting Pin1 peptidyl-prolyl isomerase domain and inhibiting Pin1 cis-trans isomerizing activity, suppresses in vitro cell proliferation and migration of HCC cells. But API-1-induced Pin1 inhibition is insensitive to HCC cells with low Pin1 expression and/or low exportin-5 (XPO5) phosphorylation. Mechanistically, Pin1 recognizes and isomerizes the phosphorylated serine-proline motif of phosphorylated XPO5 and passivates phosphorylated XPO5. Pin1 inhibition by API-1 maintains the active conformation of phosphorylated XPO5 and restores XPO5-driven precursor miRNA nuclear-to-cytoplasm export, activating anticancer miRNA biogenesis and leading to both in vitro HCC suppression and HCC suppression in xenograft mice. CONCLUSION Experimental evidence suggests that Pin1 inhibition by API-1 up-regulates miRNA biogenesis by retaining active XPO5 conformation and suppresses HCC development, revealing the mechanism of Pin1-mediated miRNA biogenesis and unequivocally supporting API-1 as a drug candidate for HCC therapy, especially for Pin1-overexpressing, extracellular signal-regulated kinase-activated HCC. (Hepatology 2018).
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Affiliation(s)
- Wenchen Pu
- Department of Thoracic Surgery, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy
| | - Jiao Li
- Department of Thoracic Surgery, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy
| | - Yuanyuan Zheng
- Department of Thoracic Surgery, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy
| | - Xianyan Shen
- Chengdu Institute of Biology, Chinese Academy of Sciences
| | - Xin Fan
- Department of Thoracic Surgery, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy
| | - Jian-Kang Zhou
- Department of Thoracic Surgery, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy
| | - Juan He
- Department of Thoracic Surgery, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy
| | - Yulan Deng
- Department of Thoracic Surgery, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy
| | - Xuesha Liu
- Department of Thoracic Surgery, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy
| | - Chun Wang
- Chengdu Institute of Biology, Chinese Academy of Sciences
| | - Shengyong Yang
- Department of Thoracic Surgery, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy
| | - Qiang Chen
- Department of Thoracic Surgery, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy
| | - Lunxu Liu
- Department of Thoracic Surgery, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy
| | - Guolin Zhang
- Chengdu Institute of Biology, Chinese Academy of Sciences
| | - Yu-Quan Wei
- Department of Thoracic Surgery, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy
| | - Yong Peng
- Department of Thoracic Surgery, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy
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Russo Spena C, De Stefano L, Palazzolo S, Salis B, Granchi C, Minutolo F, Tuccinardi T, Fratamico R, Crotti S, D'Aronco S, Agostini M, Corona G, Caligiuri I, Canzonieri V, Rizzolio F. Liposomal delivery of a Pin1 inhibitor complexed with cyclodextrins as new therapy for high-grade serous ovarian cancer. J Control Release 2018; 281:1-10. [PMID: 29746956 DOI: 10.1016/j.jconrel.2018.04.055] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Revised: 04/28/2018] [Accepted: 04/30/2018] [Indexed: 12/28/2022]
Abstract
Pin1, a prolyl isomerase that sustains tumor progression, is overexpressed in different types of malignancies. Functional inactivation of Pin1 restrains tumor growth and leaves normal cells unaffected making it an ideal pharmaceutical target. Although many studies on Pin1 have focused on malignancies that are influenced by sex hormones, studies in ovarian cancer have lagged behind. Here, we show that Pin1 is an important therapeutic target in high-grade serous epithelial ovarian cancer. Knock down of Pin1 in ovarian cancer cell lines induces apoptosis and restrains tumor growth in a syngeneic mouse model. Since specific and non-covalent Pin1 inhibitors are still limited, the first liposomal formulation of a Pin1 inhibitor was designed. The drug was efficiently encapsulated in modified cyclodextrins and remotely loaded into pegylated liposomes. This liposomal formulation accumulates preferentially in the tumor and has a desirable pharmacokinetic profile. The liposomal inhibitor was able to alter Pin1 cancer driving-pathways trough the induction of proteasome-dependent degradation of Pin1 and was found to be effective in curbing ovarian tumor growth in vivo.
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Affiliation(s)
- Concetta Russo Spena
- Department of Translational Research, Experimental and Clinical Pharmacology, Center for Molecular Biomedicine - CRO, National Cancer Institute, Aviano, Italy; Doctoral School in Chemistry, University of Trieste, Italy
| | - Lucia De Stefano
- Department of Translational Research, Experimental and Clinical Pharmacology, Center for Molecular Biomedicine - CRO, National Cancer Institute, Aviano, Italy; Doctoral School in Chemistry, University of Trieste, Italy
| | - Stefano Palazzolo
- Department of Translational Research, Experimental and Clinical Pharmacology, Center for Molecular Biomedicine - CRO, National Cancer Institute, Aviano, Italy
| | - Barbara Salis
- Doctoral School in Molecular Biomedicine, University of Trieste, Italy; Department of Molecular Biology and Translational Research, Pathology Unit, Center for Molecular Biomedicine - CRO, National Cancer Institute, Aviano, Italy
| | | | | | | | - Roberto Fratamico
- Department of Medical Oncology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, USA
| | - Sara Crotti
- Città della Speranza, Institute of Pediatric Research, Padova, Italy
| | - Sara D'Aronco
- Città della Speranza, Institute of Pediatric Research, Padova, Italy; Department of Surgical, Oncological and Gastroenterological Sciences, First Surgical Clinic Section, University of Padova, Italy
| | - Marco Agostini
- Città della Speranza, Institute of Pediatric Research, Padova, Italy; Department of Surgical, Oncological and Gastroenterological Sciences, First Surgical Clinic Section, University of Padova, Italy
| | - Giuseppe Corona
- Department of Molecular Biology and Translational Research, Immunopathology and Cancer Biomarkers Unit, Center for Molecular Biomedicine - CRO, National Cancer Institute, Aviano, Italy
| | - Isabella Caligiuri
- Department of Molecular Biology and Translational Research, Pathology Unit, Center for Molecular Biomedicine - CRO, National Cancer Institute, Aviano, Italy
| | - Vincenzo Canzonieri
- Department of Molecular Biology and Translational Research, Pathology Unit, Center for Molecular Biomedicine - CRO, National Cancer Institute, Aviano, Italy
| | - Flavio Rizzolio
- Department of Translational Research, Experimental and Clinical Pharmacology, Center for Molecular Biomedicine - CRO, National Cancer Institute, Aviano, Italy; Department of Molecular Sciences and Nanosystems, Ca' Foscari University, Venezia-Mestre, Italy.
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Bedewy W, Liao H, Abou-Taleb NA, Hammad SF, Nasr T, Pei D. Generation of a cell-permeable cycloheptapeptidyl inhibitor against the peptidyl-prolyl isomerase Pin1. Org Biomol Chem 2018; 15:4540-4543. [PMID: 28517007 DOI: 10.1039/c7ob00430c] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Cyclic peptides are capable of binding and modulating challenging drug targets including protein-protein interactions. However, their lack of membrane permeability prevents their application against intracellular targets. In this study, we show that it is possible to design a cell-permeable and biologically active cycloheptapeptide inhibitor against the intracellular enzyme peptidyl-prolyl isomerase Pin1 by integrating cell-penetrating and target-binding sequences.
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Affiliation(s)
- Walaa Bedewy
- Department of Chemistry and Biochemistry, The Ohio State University, 484 West 12th Avenue, Columbus, Ohio 43210, USA.
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Yang D, Luo W, Wang J, Zheng M, Liao XH, Zhang N, Lu W, Wang L, Chen AZ, Wu WG, Liu H, Wang SB, Zhou XZ, Lu KP. A novel controlled release formulation of the Pin1 inhibitor ATRA to improve liver cancer therapy by simultaneously blocking multiple cancer pathways. J Control Release 2018; 269:405-422. [PMID: 29170140 PMCID: PMC6290999 DOI: 10.1016/j.jconrel.2017.11.031] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Revised: 11/09/2017] [Accepted: 11/19/2017] [Indexed: 12/11/2022]
Abstract
Hepatocellular carcinoma (HCC) is the second leading cause of cancer deaths worldwide largely due to lack of effective targeted drugs to simultaneously block multiple cancer-driving pathways. The identification of all-trans retinoic acid (ATRA) as a potent Pin1 inhibitor provides a promising candidate for HCC targeted therapy because Pin1 is overexpressed in most HCC and activates numerous cancer-driving pathways. However, the efficacy of ATRA against solid tumors is limited due to its short half-life of 45min in humans. A slow-releasing ATRA formulation inhibits solid tumors such as HCC, but can be used only in animals. Here, we developed a one-step, cost-effective route to produce a novel biocompatible, biodegradable, and non-toxic controlled release formulation of ATRA for effective HCC therapy. We used supercritical carbon dioxide process to encapsulate ATRA in largely uniform poly L-lactic acid (PLLA) microparticles, with the efficiency of 91.4% and yield of 68.3%, and ~4-fold higher Cmax and AUC over the slow-releasing ATRA formulation. ATRA-PLLA microparticles had good biocompatibility, and significantly enhanced the inhibitory potency of ATRA on HCC cell growth, improving IC50 by over 3-fold. ATRA-PLLA microparticles exerted its efficacy likely through degrading Pin1 and inhibiting multiple Pin1-regulated cancer pathways and cell cycle progression. Indeed, Pin1 knock-down abolished ATRA inhibitory effects on HCC cells and ATRA-PLLA did not inhibit normal liver cells, as expected because ATRA selectively inhibits active Pin1 in cancer cells. Moreover ATRA-PLLA microparticles significantly enhanced the efficacy of ATRA against HCC tumor growth in mice through reducing Pin1, with a better potency than the slow-releasing ATRA formulation, consistent with its improved pharmacokinetic profiles. This study illustrates an effective platform to produce controlled release formulation of anti-cancer drugs, and ATRA-PLLA microparticles might be a promising targeted drug for HCC therapy as PLLA is biocompatible, biodegradable and nontoxic to humans.
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Affiliation(s)
- Dayun Yang
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, Fujian 350108, China; Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Medical University, Fuzhou, Fujian 350108, China
| | - Wensong Luo
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, Fujian 350108, China; Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Medical University, Fuzhou, Fujian 350108, China
| | - Jichuang Wang
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, Fujian 350108, China; Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Medical University, Fuzhou, Fujian 350108, China
| | - Min Zheng
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, Fujian 350108, China; Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Medical University, Fuzhou, Fujian 350108, China
| | - Xin-Hua Liao
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, Fujian 350108, China; Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Medical University, Fuzhou, Fujian 350108, China
| | - Nan Zhang
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, Fujian 350108, China; Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Medical University, Fuzhou, Fujian 350108, China
| | - Wenxian Lu
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, Fujian 350108, China; Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Medical University, Fuzhou, Fujian 350108, China
| | - Long Wang
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, Fujian 350108, China; Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Medical University, Fuzhou, Fujian 350108, China
| | - Ai-Zheng Chen
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, Fujian 361021, China
| | - Wen-Guo Wu
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, Fujian 361021, China
| | - Hekun Liu
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, Fujian 350108, China; Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Medical University, Fuzhou, Fujian 350108, China
| | - Shi-Bin Wang
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, Fujian 361021, China.
| | - Xiao Zhen Zhou
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, Fujian 350108, China; Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Medical University, Fuzhou, Fujian 350108, China; Division of Translational Therapeutics, Department of Medicine and Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA.
| | - Kun Ping Lu
- Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, Fujian 350108, China; Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Medical University, Fuzhou, Fujian 350108, China; Division of Translational Therapeutics, Department of Medicine and Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA.
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Conjugates of 18β-glycyrrhetinic acid derivatives with 3-(1H-benzo[d]imidazol-2-yl)propanoic acid as Pin1 inhibitors displaying anti-prostate cancer ability. Bioorg Med Chem 2017; 25:5441-5451. [DOI: 10.1016/j.bmc.2017.08.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Revised: 07/19/2017] [Accepted: 08/02/2017] [Indexed: 11/17/2022]
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Ettelaie C, Collier MEW, Featherby S, Greenman J, Maraveyas A. Peptidyl-prolyl isomerase 1 (Pin1) preserves the phosphorylation state of tissue factor and prolongs its release within microvesicles. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2017; 1865:12-24. [PMID: 28962834 DOI: 10.1016/j.bbamcr.2017.09.016] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 08/07/2017] [Accepted: 09/24/2017] [Indexed: 01/23/2023]
Abstract
The exposure and release of TF is regulated by post-translational modifications of its cytoplasmic domain. Here, the potential of Pin1 to interact with the cytoplasmic domain of TF, and the outcome on TF function was examined. MDA-MB-231 and transfected-primary endothelial cells were incubated with either Pin1 deactivator Juglone, or its control Plumbagin, as well as transfected with Pin1-specific or control siRNA. TF release into microvesicles following activation, and also phosphorylation and ubiquitination states of cellular-TF were then assessed. Furthermore, the ability of Pin1 to bind wild-type and mutant forms of overexpressed TF-tGFP was investigated by co-immunoprecipitation. Additionally, the ability of recombinant or cellular Pin1 to bind to peptides of the C-terminus of TF, synthesised in different phosphorylation states was examined by binding assays and spectroscopically. Finally, the influence of recombinant Pin1 on the ubiquitination and dephosphorylation of the TF-peptides was examined. Pre-incubation of Pin1 with Juglone but not Plumbagin, reduced TF release as microvesicles and was also achievable following transfection with Pin1-siRNA. This was concurrent with early ubiquitination and dephosphorylation of cellular TF at Ser253. Pin1 co-immunoprecipitated with overexpressed wild-type TF-tGFP but not Ser258→Ala or Pro259→Ala substituted mutants. Pin1 did interact with Ser258-phosphorylated and double-phosphorylated TF-peptides, with the former having higher affinity. Finally, recombinant Pin1 was capable of interfering with the ubiquitination and dephosphorylation of TF-derived peptides. In conclusion, Pin1 is a fast-acting enzyme which may be utilised by cells to protect the phosphorylation state of TF in activated cells prolonging TF activity and release, and therefore ensuring adequate haemostasis.
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Affiliation(s)
- Camille Ettelaie
- Biomedical Section, Department of Biological Sciences, University of Hull, Cottingham Road, Hull HU6 7RX, UK.
| | - Mary E W Collier
- Department of Cardiovascular Sciences, University of Leicester, Clinical Sciences Wing, Glenfield General Hospital, Leicester LE3 9QP, UK
| | - Sophie Featherby
- Biomedical Section, Department of Biological Sciences, University of Hull, Cottingham Road, Hull HU6 7RX, UK
| | - John Greenman
- Biomedical Section, Department of Biological Sciences, University of Hull, Cottingham Road, Hull HU6 7RX, UK
| | - Anthony Maraveyas
- Division of Cancer, Hull York Medical School University of Hull, Cottingham Road, Hull HU6 7RX, UK
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Wei S, Yoshida N, Finn G, Kozono S, Nechama M, Kyttaris VC, Zhen Zhou X, Tsokos GC, Ping Lu K. Pin1-Targeted Therapy for Systemic Lupus Erythematosus. Arthritis Rheumatol 2017; 68:2503-13. [PMID: 27159270 DOI: 10.1002/art.39741] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2015] [Accepted: 04/28/2016] [Indexed: 12/11/2022]
Abstract
OBJECTIVE Systemic lupus erythematosus (SLE) is a debilitating autoimmune disease affecting multiple organs in the body, but therapeutic options are still very limited and often come with adverse effects. Increasing evidence has underlined an important role of the Toll-like receptor 7 (TLR-7)/TLR-9/interleukin-1 receptor-associated kinase 1 (IRAK-1)/interferon regulatory factor 7 (IRF-7) pathway in the development and progression of SLE. Notably, the prolyl isomerase Pin1 is an essential regulator of IRAK-1 in TLR-7/TLR-9 signaling, but its role in SLE is unknown. We undertook this study to determine whether Pin1 is activated and plays any role in the development and treatment of SLE. METHODS Activation of Pin1 and TLR-7/TLR-9/IRAK-1/IRF-7 signaling was determined in various cell types among peripheral blood mononuclear cells from healthy controls and SLE patients. The effects of Pin1 and TLR signaling on SLE development were determined using validated Pin1 short hairpin RNA (shRNA), Pin1 genetic knockout, and the small-molecule Pin1 inhibitor all-trans-retinoic acid (ATRA) in immune cells and in several strains of lupus-prone mice. RESULTS We found abnormal activation of Pin1 and its downstream targets IRAK-1 and IRF-7 in SLE patients. Furthermore, inhibition of Pin1 using either validated Pin1 shRNA or ATRA blocked TLR-7-induced activation of IRAK-1 and IRF-7 in SLE patient-derived immune cells. Moreover, in multiple lupus-prone animals, both Pin1 knockout and ATRA strikingly attenuated the expression of autoimmunity, including skin lesions, lymphadenopathy, splenomegaly, glomerulonephritis, proteinuria, and production of anti-double-stranded DNA antibodies and CD4-CD8- T cells, and also prolonged overall survival in MRL/lpr and B6.lpr mice. CONCLUSION Pin1 plays a critical role in the development of SLE, and Pin1-targeted therapy offers a promising new strategy for treating SLE.
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Affiliation(s)
- Shuo Wei
- Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts
| | - Nobuya Yoshida
- Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts
| | - Greg Finn
- Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts
| | - Shingo Kozono
- Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts
| | - Morris Nechama
- Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts
| | - Vasileios C Kyttaris
- Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts
| | - Xiao Zhen Zhou
- Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts
| | - George C Tsokos
- Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts
| | - Kun Ping Lu
- Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts, and Institute for Translational Medicine and Fujian Medical University, Fuzhou, China.
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50
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Campaner E, Rustighi A, Zannini A, Cristiani A, Piazza S, Ciani Y, Kalid O, Golan G, Baloglu E, Shacham S, Valsasina B, Cucchi U, Pippione AC, Lolli ML, Giabbai B, Storici P, Carloni P, Rossetti G, Benvenuti F, Bello E, D'Incalci M, Cappuzzello E, Rosato A, Del Sal G. A covalent PIN1 inhibitor selectively targets cancer cells by a dual mechanism of action. Nat Commun 2017; 8:15772. [PMID: 28598431 PMCID: PMC5472749 DOI: 10.1038/ncomms15772] [Citation(s) in RCA: 98] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Accepted: 04/27/2017] [Indexed: 12/21/2022] Open
Abstract
The prolyl isomerase PIN1, a critical modifier of multiple signalling pathways, is overexpressed in the majority of cancers and its activity strongly contributes to tumour initiation and progression. Inactivation of PIN1 function conversely curbs tumour growth and cancer stem cell expansion, restores chemosensitivity and blocks metastatic spread, thus providing the rationale for a therapeutic strategy based on PIN1 inhibition. Notwithstanding, potent PIN1 inhibitors are still missing from the arsenal of anti-cancer drugs. By a mechanism-based screening, we have identified a novel covalent PIN1 inhibitor, KPT-6566, able to selectively inhibit PIN1 and target it for degradation. We demonstrate that KPT-6566 covalently binds to the catalytic site of PIN1. This interaction results in the release of a quinone-mimicking drug that generates reactive oxygen species and DNA damage, inducing cell death specifically in cancer cells. Accordingly, KPT-6566 treatment impairs PIN1-dependent cancer phenotypes in vitro and growth of lung metastasis in vivo. PIN1 is a promising therapeutic target for cancer treatment. In this study, the authors identify a covalent inhibitor of PIN1 with anti-tumour and anti-metastatic properties thanks to PIN1 inactivation and to the release, after binding to PIN1, of a quinone-mimicking compound that elicits reactive oxygen generation and causes DNA damage.
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Affiliation(s)
- Elena Campaner
- National Laboratory CIB (LNCIB), Area Science Park Padriciano, Trieste 34149, Italy.,Department of Life Sciences, University of Trieste, Trieste 34127, Italy
| | - Alessandra Rustighi
- National Laboratory CIB (LNCIB), Area Science Park Padriciano, Trieste 34149, Italy
| | - Alessandro Zannini
- National Laboratory CIB (LNCIB), Area Science Park Padriciano, Trieste 34149, Italy.,Department of Life Sciences, University of Trieste, Trieste 34127, Italy
| | - Alberto Cristiani
- National Laboratory CIB (LNCIB), Area Science Park Padriciano, Trieste 34149, Italy
| | - Silvano Piazza
- National Laboratory CIB (LNCIB), Area Science Park Padriciano, Trieste 34149, Italy
| | - Yari Ciani
- National Laboratory CIB (LNCIB), Area Science Park Padriciano, Trieste 34149, Italy
| | - Ori Kalid
- Karyopharm Therapeutics, Newton, Massachusetts 02459, USA
| | - Gali Golan
- Karyopharm Therapeutics, Newton, Massachusetts 02459, USA
| | - Erkan Baloglu
- Karyopharm Therapeutics, Newton, Massachusetts 02459, USA
| | - Sharon Shacham
- Karyopharm Therapeutics, Newton, Massachusetts 02459, USA
| | | | - Ulisse Cucchi
- Nerviano Medical Sciences Srl, Nerviano 20014, Italy
| | | | - Marco Lucio Lolli
- Department of Science and Drug Technology, University of Torino, Torino 10125, Italy
| | - Barbara Giabbai
- Elettra Sincrotrone Trieste S.C.p.A., Area Science Park Basovizza, Trieste 34149, Italy
| | - Paola Storici
- Elettra Sincrotrone Trieste S.C.p.A., Area Science Park Basovizza, Trieste 34149, Italy
| | - Paolo Carloni
- Computational Biomedicine, Institute for Advanced Simulation (IAS-5) and Institute of Neuroscience and Medicine (INM-9), Forschungszentrum Jülich, Jülich 52425, Germany
| | - Giulia Rossetti
- Computational Biomedicine, Institute for Advanced Simulation (IAS-5) and Institute of Neuroscience and Medicine (INM-9), Forschungszentrum Jülich, Jülich 52425, Germany.,Jülich Supercomputing Center (JSC), Forschungszentrum Jülich, Jülich 52425, Germany.,Department of Oncology, Hematology and Stem Cell Transplantation, University Hospital Aachen, RWTH Aachen University, Aachen 52074, Germany
| | - Federica Benvenuti
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Area Science Park Padriciano, Trieste 34149, Italy
| | - Ezia Bello
- IRCCS-Mario Negri Institute for Pharmacological Research, Milano 20156, Italy
| | - Maurizio D'Incalci
- IRCCS-Mario Negri Institute for Pharmacological Research, Milano 20156, Italy
| | - Elisa Cappuzzello
- Department of Surgery, Oncology and Gastroenterology, Oncology and Immunology Section, University of Padova, Padova 35128, Italy
| | - Antonio Rosato
- Department of Surgery, Oncology and Gastroenterology, Oncology and Immunology Section, University of Padova, Padova 35128, Italy.,Veneto Institute of Oncology (IOV)-IRCCS, Padova 35128, Italy
| | - Giannino Del Sal
- National Laboratory CIB (LNCIB), Area Science Park Padriciano, Trieste 34149, Italy.,Department of Life Sciences, University of Trieste, Trieste 34127, Italy
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