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Zhang C, Liu Y, Li G, Yang Z, Han C, Sun X, Sheng C, Ding K, Rao Y. Targeting the undruggables-the power of protein degraders. Sci Bull (Beijing) 2024; 69:1776-1797. [PMID: 38614856 DOI: 10.1016/j.scib.2024.03.056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Revised: 03/06/2024] [Accepted: 03/25/2024] [Indexed: 04/15/2024]
Abstract
Undruggable targets typically refer to a class of therapeutic targets that are difficult to target through conventional methods or have not yet been targeted, but are of great clinical significance. According to statistics, over 80% of disease-related pathogenic proteins cannot be targeted by current conventional treatment methods. In recent years, with the advancement of basic research and new technologies, the development of various new technologies and mechanisms has brought new perspectives to overcome challenging drug targets. Among them, targeted protein degradation technology is a breakthrough drug development strategy for challenging drug targets. This technology can specifically identify target proteins and directly degrade pathogenic target proteins by utilizing the inherent protein degradation pathways within cells. This new form of drug development includes various types such as proteolysis targeting chimera (PROTAC), molecular glue, lysosome-targeting Chimaera (LYTAC), autophagosome-tethering compound (ATTEC), autophagy-targeting chimera (AUTAC), autophagy-targeting chimera (AUTOTAC), degrader-antibody conjugate (DAC). This article systematically summarizes the application of targeted protein degradation technology in the development of degraders for challenging drug targets. Finally, the article looks forward to the future development direction and application prospects of targeted protein degradation technology.
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Affiliation(s)
- Chao Zhang
- Changping Laboratory, Beijing 102206, China
| | - Yongbo Liu
- State Key Laboratory of Molecular Oncology, MOE Key Laboratory of Protein Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, School of Pharmaceutical Sciences, Tsinghua University, Beijing 100084, China
| | - Guangchen Li
- State Key Laboratory of Molecular Oncology, MOE Key Laboratory of Protein Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, School of Pharmaceutical Sciences, Tsinghua University, Beijing 100084, China
| | - Zhouli Yang
- State Key Laboratory of Molecular Oncology, MOE Key Laboratory of Protein Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, School of Pharmaceutical Sciences, Tsinghua University, Beijing 100084, China
| | - Chi Han
- State Key Laboratory of Molecular Oncology, MOE Key Laboratory of Protein Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, School of Pharmaceutical Sciences, Tsinghua University, Beijing 100084, China
| | - Xiuyun Sun
- Changping Laboratory, Beijing 102206, China
| | - Chunquan Sheng
- School of Pharmacy, Second Military Medical University, Shanghai 200433, China.
| | - Ke Ding
- State Key Laboratory of Chemical Biology, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China.
| | - Yu Rao
- State Key Laboratory of Molecular Oncology, MOE Key Laboratory of Protein Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, School of Pharmaceutical Sciences, Tsinghua University, Beijing 100084, China; Changping Laboratory, Beijing 102206, China.
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2
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Hacisuleyman A, Erman B. Synergy and anti-cooperativity in allostery: Molecular dynamics study of WT and oncogenic KRAS-RGL1. Proteins 2024; 92:665-678. [PMID: 38153169 DOI: 10.1002/prot.26657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 11/03/2023] [Accepted: 12/15/2023] [Indexed: 12/29/2023]
Abstract
This study focuses on investigating the effects of an oncogenic mutation (G12V) on the stability and interactions within the KRAS-RGL1 protein complex. The KRAS-RGL1 complex is of particular interest due to its relevance to KRAS-associated cancers and the potential for developing targeted drugs against the KRAS system. The stability of the complex and the allosteric effects of specific residues are examined to understand their roles as modulators of complex stability and function. Using molecular dynamics simulations, we calculate the mutual information, MI, between two neighboring residues at the interface of the KRAS-RGL1 complex, and employ the concept of interaction information, II, to measure the contribution of a third residue to the interaction between interface residue pairs. Negative II indicates synergy, where the presence of the third residue strengthens the interaction, while positive II suggests anti-cooperativity. Our findings reveal that MI serves as a dominant factor in determining the results, with the G12V mutation increasing the MI between interface residues, indicating enhanced correlations due to the formation of a more compact structure in the complex. Interestingly, although II plays a role in understanding three-body interactions and the impact of distant residues, it is not significant enough to outweigh the influence of MI in determining the overall stability of the complex. Nevertheless, II may nonetheless be a relevant factor to consider in future drug design efforts. This study provides valuable insights into the mechanisms of complex stability and function, highlighting the significance of three-body interactions and the impact of distant residues on the binding stability of the complex. Additionally, our findings demonstrate that constraining the fluctuations of a third residue consistently increases the stability of the G12V variant, making it challenging to weaken complex formation of the mutated species through allosteric manipulation. The novel perspective offered by this approach on protein dynamics, function, and allostery has potential implications for understanding and targeting other protein complexes involved in vital cellular processes. The results contribute to our understanding of the effects of oncogenic mutations on protein-protein interactions and provide a foundation for future therapeutic interventions in the context of KRAS-associated cancers and beyond.
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Affiliation(s)
- Aysima Hacisuleyman
- Department of Computational Biology, University of Lausanne, Lausanne, Switzerland
| | - Burak Erman
- Department of Chemical and Biological Engineering Koc University, Istanbul, Turkey
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3
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Liu C, Jiao B, Wang P, Zhang B, Gao J, Li D, Xie X, Yao Y, Yan L, Qin Z, Liu P, Ren R. GOLGA7 is essential for NRAS trafficking from the Golgi to the plasma membrane but not for its palmitoylation. Cell Commun Signal 2024; 22:98. [PMID: 38317235 PMCID: PMC10845536 DOI: 10.1186/s12964-024-01498-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 01/21/2024] [Indexed: 02/07/2024] Open
Abstract
NRAS mutations are most frequently observed in hematological malignancies and are also common in some solid tumors such as melanoma and colon cancer. Despite its pivotal role in oncogenesis, no effective therapies targeting NRAS has been developed. Targeting NRAS localization to the plasma membrane (PM) is a promising strategy for cancer therapy, as its signaling requires PM localization. However, the process governing NRAS translocation from the Golgi apparatus to the PM after lipid modification remains elusive. This study identifies GOLGA7 as a crucial factor controlling NRAS' PM translocation, demonstrating that its depletion blocks NRAS, but not HRAS, KRAS4A and KRAS4B, translocating to PM. GOLGA7 is known to stabilize the palmitoyltransferase ZDHHC9 for NRAS and HRAS palmitoylation, but we found that GOLGA7 depletion does not affect NRAS' palmitoylation level. Further studies show that loss of GOLGA7 disrupts NRAS anterograde trafficking, leading to its cis-Golgi accumulation. Remarkably, depleting GOLGA7 effectively inhibits cell proliferation in multiple NRAS-mutant cancer cell lines and attenuates NRASG12D-induced oncogenic transformation in vivo. These findings elucidate a specific intracellular trafficking route for NRAS under GOLGA7 regulation, highlighting GOLGA7 as a promising therapeutic target for NRAS-driven cancers.
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Affiliation(s)
- Chenxuan Liu
- Shanghai Institute of Hematology, State Key Laboratory for Medical Genomics, Collaborative Innovation Center of Hematology, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Bo Jiao
- Shanghai Institute of Hematology, State Key Laboratory for Medical Genomics, Collaborative Innovation Center of Hematology, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Peihong Wang
- Shanghai Institute of Hematology, State Key Laboratory for Medical Genomics, Collaborative Innovation Center of Hematology, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Baoyuan Zhang
- Shanghai Institute of Hematology, State Key Laboratory for Medical Genomics, Collaborative Innovation Center of Hematology, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jiaming Gao
- Shanghai Institute of Hematology, State Key Laboratory for Medical Genomics, Collaborative Innovation Center of Hematology, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Donghe Li
- Shanghai Institute of Hematology, State Key Laboratory for Medical Genomics, Collaborative Innovation Center of Hematology, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xi Xie
- Shanghai Institute of Hematology, State Key Laboratory for Medical Genomics, Collaborative Innovation Center of Hematology, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yunying Yao
- Shanghai Institute of Hematology, State Key Laboratory for Medical Genomics, Collaborative Innovation Center of Hematology, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lei Yan
- Shanghai Institute of Hematology, State Key Laboratory for Medical Genomics, Collaborative Innovation Center of Hematology, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhenghong Qin
- Laboratory of Aging and Nervous Diseases, Department of Pharmacology, College of Pharmaceutical Science, Soochow University, Suzhou, 215123, China
| | - Ping Liu
- Shanghai Institute of Hematology, State Key Laboratory for Medical Genomics, Collaborative Innovation Center of Hematology, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Ruibao Ren
- Shanghai Institute of Hematology, State Key Laboratory for Medical Genomics, Collaborative Innovation Center of Hematology, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
- International Center for Aging and Cancer, Hainan Medical College, Haikou, Hainan Province, China.
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4
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Scianò F, Terrana F, Pecoraro C, Parrino B, Cascioferro S, Diana P, Giovannetti E, Carbone D. Exploring the therapeutic potential of focal adhesion kinase inhibition in overcoming chemoresistance in pancreatic ductal adenocarcinoma. Future Med Chem 2024; 16:271-289. [PMID: 38269431 DOI: 10.4155/fmc-2023-0234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 11/27/2023] [Indexed: 01/26/2024] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is among the leading causes of cancer-related deaths worldwide. Focal adhesion kinase (FAK) is a nonreceptor tyrosine kinase often overexpressed in PDAC. FAK has been linked to cell migration, survival, proliferation, angiogenesis and adhesion. This review first highlights the chemoresistant nature of PDAC. Second, the role of FAK in PDAC cancer progression and resistance is carefully described. Additionally, it discusses recent developments of FAK inhibitors as valuable drugs in the treatment of PDAC, with a focus on diamine-substituted-2,4-pyrimidine-based compounds, which represent the most potent class of FAK inhibitors in clinical trials for the treatment of PDAC disease. To conclude, relevant computational studies performed on FAK inhibitors are reported to highlight the key structural features required for interaction with the protein, with the aim of optimizing this novel targeted therapy.
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Affiliation(s)
- Fabio Scianò
- Department of Biological, Chemical & Pharmaceutical Sciences & Technologies (STEBICEF), University of Palermo, Via Archirafi 32, Palermo, 90123, Italy
| | - Francesca Terrana
- Department of Biological, Chemical & Pharmaceutical Sciences & Technologies (STEBICEF), University of Palermo, Via Archirafi 32, Palermo, 90123, Italy
| | - Camilla Pecoraro
- Department of Biological, Chemical & Pharmaceutical Sciences & Technologies (STEBICEF), University of Palermo, Via Archirafi 32, Palermo, 90123, Italy
| | - Barbara Parrino
- Department of Biological, Chemical & Pharmaceutical Sciences & Technologies (STEBICEF), University of Palermo, Via Archirafi 32, Palermo, 90123, Italy
| | - Stella Cascioferro
- Department of Biological, Chemical & Pharmaceutical Sciences & Technologies (STEBICEF), University of Palermo, Via Archirafi 32, Palermo, 90123, Italy
| | - Patrizia Diana
- Department of Biological, Chemical & Pharmaceutical Sciences & Technologies (STEBICEF), University of Palermo, Via Archirafi 32, Palermo, 90123, Italy
| | - Elisa Giovannetti
- Department of Medical Oncology, Cancer Center Amsterdam, Amsterdam UMC, VU University Medical Center (VUmc) De Boelelaan 1117, Amsterdam, 1081HV, The Netherlands
- Cancer Pharmacology Lab, Fondazione Pisana per la Scienza, Via Ferruccio Giovannini 13, San Giuliano Terme, Pisa, 56017, Italy
| | - Daniela Carbone
- Department of Biological, Chemical & Pharmaceutical Sciences & Technologies (STEBICEF), University of Palermo, Via Archirafi 32, Palermo, 90123, Italy
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Retmana IA, Çelebi N, Rijmers J, Schinkel AH, Beijnen JH, Sparidans RW. Development and validation of an LC-MS/MS method for the quantification of KRAS G12C inhibitor opnurasib in several mouse matrices and its application in a pharmacokinetic mouse study. J Chromatogr B Analyt Technol Biomed Life Sci 2024; 1232:123964. [PMID: 38103305 DOI: 10.1016/j.jchromb.2023.123964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 11/08/2023] [Accepted: 12/06/2023] [Indexed: 12/19/2023]
Abstract
Opnurasib (JDQ-443) is a highly potent and promising KRASG12C inhibitor that is currently under clinical investigation. Results of the ongoing clinical research demonstrated the acceptable safety profile and clinical activity of this drug candidate as a single agent for patients with NSCLC harboring KRASG12C mutations. In this early stage of development, a deeper insight into pharmacokinetic properties in both preclinical and clinical investigations of this drug is very important. Thus, a reliable quantification method is required. To date, no quantitative bioanalytical assay of opnurasib was publicly available. In this study we present a validated assay to quantify opnurasib in mouse plasma and eight mouse tissue-related matrices utilizing liquid chromatography-tandem mass spectrometry. Erlotinib was used as internal standard and acetonitrile was utilized to treat 10 µl of the sample with protein precipitation in a 96-well plate format. Separation and detection were achieved using a BEH C18 column under basic chromatographic conditions and a triple quadrupole mass spectrometer, respectively. We have fully validated this assay for mouse plasma and partially for eight mouse tissue-related matrices over the range of 2-2000 ng/ml. The accuracy and precision of the assay fulfilled international guidelines (EMA & U.S. FDA) over the validated range. The method was proven selective and sensitive to quantify opnurasib down to 2 ng/ml in all investigated matrices. The recoveries of both analyte and internal standard in mouse plasma were ∼100 % with no significant matrix effect in any of the matrices. Opnurasib in mouse plasma was stable up to 12 h at room temperature, and up to 8 h at room temperature in tissue homogenates (except for kidney up to 4 h). This presented method has been successfully applied to quantify opnurasib in preclinical samples from a mouse study and demonstrated its usability to support preclinical pharmacokinetic studies.
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Affiliation(s)
- Irene A Retmana
- The Netherlands Cancer Institute, Division of Pharmacology, Plesmanlaan 121, 1066 CX Amsterdam, The Netherlands; Utrecht University, Faculty of Science, Department of Pharmaceutical Sciences, Division of Pharmacology, Universiteitsweg 99, 3584 CG, Utrecht, The Netherlands.
| | - Nefise Çelebi
- Utrecht University, Faculty of Science, Department of Pharmaceutical Sciences, Division of Pharmacology, Universiteitsweg 99, 3584 CG, Utrecht, The Netherlands.
| | - Jamie Rijmers
- The Netherlands Cancer Institute, Division of Pharmacology, Plesmanlaan 121, 1066 CX Amsterdam, The Netherlands.
| | - Alfred H Schinkel
- The Netherlands Cancer Institute, Division of Pharmacology, Plesmanlaan 121, 1066 CX Amsterdam, The Netherlands.
| | - Jos H Beijnen
- The Netherlands Cancer Institute, Department of Pharmacy & Pharmacology, Plesmanlaan 121, 1066 CX Amsterdam, The Netherlands; Utrecht University, Faculty of Science, Department of Pharmaceutical Sciences, Division of Pharmacoepidemiology and Clinical Pharmacology, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands.
| | - Rolf W Sparidans
- Utrecht University, Faculty of Science, Department of Pharmaceutical Sciences, Division of Pharmacology, Universiteitsweg 99, 3584 CG, Utrecht, The Netherlands.
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6
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Caughey BA, Strickler JH. Targeting KRAS-Mutated Gastrointestinal Malignancies with Small-Molecule Inhibitors: A New Generation of Breakthrough Therapies. Drugs 2024; 84:27-44. [PMID: 38109010 DOI: 10.1007/s40265-023-01980-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/21/2023] [Indexed: 12/19/2023]
Abstract
Kirsten rat sarcoma virus (KRAS) is one of the most important and frequently mutated oncogenes in cancer and the mutational prevalence is especially high in many gastrointestinal malignancies, including colorectal cancer and pancreatic ductal adenocarcinoma. The KRAS protein is a small GTPase that functions as an "on/off" switch to activate downstream signaling, mainly through the mitogen-activated protein kinase pathway. KRAS was previously considered undruggable because of biochemical constraints; however, recent breakthroughs have enabled the development of small-molecule inhibitors of KRAS G12C. These drugs were initially approved in lung cancer and have now shown substantial clinical activity in KRAS G12C-mutated pancreatic ductal adenocarcinoma as well as colorectal cancer when combined with anti-EGFR monoclonal antibodies. Early data are encouraging for other gastrointestinal cancers as well and many other combination strategies are being investigated. Several new KRAS G12C inhibitors and novel inhibitors of other KRAS alterations have recently entered the clinic. These molecules employ a variety of innovative mechanisms and have generated intense interest. These novel drugs are especially important as KRAS G12C is rare in gastrointestinal malignancies compared with other KRAS alterations, representing potentially groundbreaking advances. Soon, the rapidly evolving landscape of novel KRAS inhibitors may substantially shift the therapeutic landscape for gastrointestinal cancers and offer meaningful survival improvements.
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Affiliation(s)
- Bennett A Caughey
- Division of Hematology/Oncology, Department of Medicine, Massachusetts General Hospital Cancer Center, 55 Fruit Street, Boston, MA, 02114, USA.
| | - John H Strickler
- Division of Medical Oncology, Department of Medicine, Duke University Medical Center, Durham, NC, USA
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Andraus W, Tustumi F, de Meira Junior JD, Pinheiro RSN, Waisberg DR, Lopes LD, Arantes RM, Rocha Santos V, de Martino RB, Carneiro D’Albuquerque LA. Molecular Profile of Intrahepatic Cholangiocarcinoma. Int J Mol Sci 2023; 25:461. [PMID: 38203635 PMCID: PMC10778975 DOI: 10.3390/ijms25010461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 12/23/2023] [Accepted: 12/27/2023] [Indexed: 01/12/2024] Open
Abstract
Intrahepatic cholangiocarcinoma (ICC) is a relatively uncommon but highly aggressive primary liver cancer that originates within the liver. The aim of this study is to review the molecular profile of intrahepatic cholangiocarcinoma and its implications for prognostication and decision-making. This comprehensive characterization of ICC tumors sheds light on the disease's underlying biology and offers a foundation for more personalized treatment strategies. This is a narrative review of the prognostic and therapeutic role of the molecular profile of ICC. Knowing the molecular profile of tumors helps determine prognosis and support certain target therapies. The molecular panel in ICC helps to select patients for specific therapies, predict treatment responses, and monitor treatment responses. Precision medicine in ICC can promote improvement in prognosis and reduce unnecessary toxicity and might have a significant role in the management of ICC in the following years. The main mutations in ICC are in tumor protein p53 (TP53), Kirsten rat sarcoma virus (KRAS), isocitrate dehydrogenase 1 (IDH1), and AT-rich interactive domain-containing protein 1A (ARID1A). The rate of mutations varies significantly for each population. Targeting TP53 and KRAS is challenging due to the natural characteristics of these genes. Different stages of clinical studies have shown encouraging results with inhibitors of mutated IDH1 and target therapy for ARID1A downstream effectors. Fibroblast growth factor receptor 2 (FGFR2) fusions are an important target in patients with ICC. Immune checkpoint blockade can be applied to a small percentage of ICC patients. Molecular profiling in ICC represents a groundbreaking approach to understanding and managing this complex liver cancer. As our comprehension of ICC's molecular intricacies continues to expand, so does the potential for offering patients more precise and effective treatments. The integration of molecular profiling into clinical practice signifies the dawn of a new era in ICC care, emphasizing personalized medicine in the ongoing battle against this malignancy.
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Affiliation(s)
| | - Francisco Tustumi
- Department of Gastroenterology, Transplantation Unit, Universidade de São Paulo, São Paulo 05403-000, Brazil
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8
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Luo M, Su Z, Gao H, Tan J, Liao R, Yang J, Lin L. Cirsiliol induces autophagy and mitochondrial apoptosis through the AKT/FOXO1 axis and influences methotrexate resistance in osteosarcoma. J Transl Med 2023; 21:907. [PMID: 38087310 PMCID: PMC10714637 DOI: 10.1186/s12967-023-04682-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Accepted: 10/29/2023] [Indexed: 12/18/2023] Open
Abstract
BACKGROUND Osteosarcoma (OS) is the most common primary malignant bone tumor in children and adolescents, with poor outcomes for patients with metastatic disease or chemotherapy resistance. Cirsiliol is a recently found flavonoid with anti-tumor effects in various tumors. However, the effects of cirsiliol in the regulation of aggressive behaviors of OS remain unknown. METHODS The effect of cirsiliol on the proliferation of OS cells was detected using a cell counting kit-8 (CCK-8) assay and 5-ethynyl-2'-deoxyuridine (EdU) staining, while cell apoptosis was detected using flow cytometry. Immunofluorescence was applied to visualize the expression level of the mitochondria, lysosomes and microtubule-associated protein light chain 3 (LC3). A computational molecular docking technique was used to predict the interaction between cirsiliol and the AKT protein. The impact of cirsiliol on resistance was investigated by comparing it between a methotrexate (MTX)-sensitive OS cell line, U2OS, and a MTX-resistant OS cell line, U2OS/MTX. Finally, in situ xenogeneic tumor models were used to validate the anti-tumor effect of cirsiliol in OS. RESULTS Cirsiliol inhibited cell proliferation and induced apoptosis in both U2OS and U2OS/MTX300 OS cells. In addition, treatment with cirsiliol resulted in G2 phase arrest in U2OS/MTX300 and U2OS cells. Cell fluorescence probe staining results showed impaired mitochondria and increased autophagy in OS cells after treatment with cirsiliol. Mechanistically, it was found that cirsiliol targeted AKT by reducing the phosphorylation of AKT, which further activated the transcriptional activity of forkhead Box O transcription factor 1 (FOXO1), ultimately affecting the function of OS cells. Moreover, in situ tumorigenesis experiments showed that cirsiliol inhibited the tumorigenesis and progression of OS in vivo. CONCLUSIONS Cirsiliol inhibits OS cell growth and induces cell apoptosis by reducing AKT phosphorylation and further promotes FOXO1 expression. These phenomena indicate that cirsiliol is a promising treatment option for OS.
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Affiliation(s)
- Mengliang Luo
- Department of Joint and Orthopedics, Zhujiang Hospital, Southern Medical University, Guangzhou, 510282, China
| | - Zexin Su
- Department of Joint and Orthopedics, Zhujiang Hospital, Southern Medical University, Guangzhou, 510282, China
| | - Haotian Gao
- Department of Joint and Orthopedics, Zhujiang Hospital, Southern Medical University, Guangzhou, 510282, China
| | - Jianye Tan
- Department of Orthopaedics, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, China
| | - Rongdong Liao
- Department of Joint and Orthopedics, Zhujiang Hospital, Southern Medical University, Guangzhou, 510282, China
| | - Jiancheng Yang
- Department of Joint and Orthopedics, Zhujiang Hospital, Southern Medical University, Guangzhou, 510282, China.
| | - Lijun Lin
- Department of Joint and Orthopedics, Zhujiang Hospital, Southern Medical University, Guangzhou, 510282, China.
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Sabnis RW. Hetero-tricyclic Compounds as KRAS Inhibitors for Treating Cancer. ACS Med Chem Lett 2023; 14:1154-1155. [PMID: 37736182 PMCID: PMC10510517 DOI: 10.1021/acsmedchemlett.3c00347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Indexed: 09/23/2023] Open
Abstract
Provided herein are hetero-tricyclic compounds as KRAS inhibitors, pharmaceutical compositions, use of such compounds in treating cancer, and processes for preparing such compounds.
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Affiliation(s)
- Ram W. Sabnis
- Smith, Gambrell & Russell
LLP, 1105 W. Peachtree Street NE, Suite 1000, Atlanta, Georgia 30309, United States
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10
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Sabnis RW. Novel Pyrazoloquinoline Compounds as KRAS Inhibitors for Treating Cancer. ACS Med Chem Lett 2023; 14:1045-1046. [PMID: 37583830 PMCID: PMC10424323 DOI: 10.1021/acsmedchemlett.3c00300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Indexed: 08/17/2023] Open
Abstract
Provided herein are novel pyrazoloquinoline compounds as KRAS inhibitors, their pharmaceutical compositions, the use of such compounds in treating cancer, and processes for preparing such compounds.
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Affiliation(s)
- Ram W. Sabnis
- Smith, Gambrell & Russell LLP, 1105 W. Peachtree Street NE, Suite
1000, Atlanta, Georgia 30309, United States
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11
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Sabnis RW. Novel Quinoline Compounds as KRAS Inhibitors for Treating Cancer. ACS Med Chem Lett 2023; 14:707-708. [PMID: 37312857 PMCID: PMC10258908 DOI: 10.1021/acsmedchemlett.3c00195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Indexed: 06/15/2023] Open
Abstract
Provided herein are novel quinoline compounds as KRAS inhibitors, pharmaceutical compositions, use of such compounds in treating cancer and processes for preparing such compounds.
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Affiliation(s)
- Ram W. Sabnis
- Smith, Gambrell & Russell LLP, 1105 W. Peachtree Street NE, Suite
1000, Atlanta, Georgia 30309, United States
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12
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Sabnis RW. Novel Tricyclic Compounds as KRAS Inhibitors for Treating Cancer. ACS Med Chem Lett 2023; 14:555-556. [PMID: 37197476 PMCID: PMC10184161 DOI: 10.1021/acsmedchemlett.3c00140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Indexed: 05/19/2023] Open
Abstract
Provided herein are novel tricyclic compounds as KRAS inhibitors, pharmaceutical compositions, use of such compounds in treating cancer and processes for preparing such compounds.
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Affiliation(s)
- Ram W. Sabnis
- Smith, Gambrell & Russell LLP, 1105 W. Peachtree Street NE, Suite
1000, Atlanta, Georgia 30309, United States
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13
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Taghizadeh H, Schmalfuss T, Maj-Hes A, Singer J, Prager GW. Austrian tricentric real-life analysis of molecular profiles of metastatic biliary tract cancer patients. Front Oncol 2023; 13:1143825. [PMID: 37234989 PMCID: PMC10206115 DOI: 10.3389/fonc.2023.1143825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 04/25/2023] [Indexed: 05/28/2023] Open
Abstract
Introduction Metastatic biliary tract cancer (BTC) is a rare and aggressive entity associated with poor prognosis. It represents a major challenge for adequate treatment strategies. In recent years, BTC has become a model for precision medicine in gastrointestinal oncology. Therefore, the analysis of the individual molecular profile in BTC patients may lead to targeted therapies for the benefit of patients. Methods In this Austrian, tricentric, real-world, retrospective analysis, we investigated patients diagnosed with metastatic BTC who underwent molecular profiling between 2013 and 2022. Results In total, 92 patients were identified in this tricentric analysis and 205 molecular aberrations, including 198 mutations affecting 89 different genes in 61 patients were found. The predominant mutations were in KRAS (n=17; 22.4%), TP53 (n=17; 22.4%), PIK3CA (n=7; 9.2%), FGFR2 (n=7; 9.2%), DNMT3A (n=7; 9.2%), IDH1 (n=7; 9.2%), IDH2 (n=6; 7.9%), CDKN2A (n=6; 7.9%), BAP1 (n=4; 5.3%), NF1 (n=4; 5.3%), and NF2 (n=4; 5.3%). Three patients had HER2 amplification. MSI-H status and FGFR2 fusion genes were each observed in two different patients. One patient had a BRAF V600E mutation. Eventually, 10 patients received targeted therapy, of whom one-half derived clinical benefit. Conclusions Molecular profiling of BTC patients is implementable in routine clinical practice and should be regularly employed to detect and exploit molecular vulnerabilities.
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Affiliation(s)
- Hossein Taghizadeh
- Division of Oncology, Department of Internal Medicine I, University Hospital St. Pölten, St. Pölten, Austria
- Karl Landsteiner University of Health Sciences, Krems, Austria
- Karl Landsteiner Institute for Oncology and Nephrology, St. Pölten, Austria
- Center for Cancer Research, Medical University of Vienna, Vienna, Austria
- Comprehensive Cancer Center Vienna, Medical University of Vienna, Vienna, Austria
| | - Theresa Schmalfuss
- Division of Oncology, Department of Internal Medicine I, University Hospital St. Pölten, St. Pölten, Austria
- Karl Landsteiner University of Health Sciences, Krems, Austria
- Center for Cancer Research, Medical University of Vienna, Vienna, Austria
- Comprehensive Cancer Center Vienna, Medical University of Vienna, Vienna, Austria
| | - Agnieszka Maj-Hes
- Medical University Vienna, Department of Medicine I, Division of Oncology, Vienna, Austria
- Department of Pulmonology, Klinik Penzing, Vienna, Austria
| | - Josef Singer
- Karl Landsteiner University of Health Sciences, Krems, Austria
- Division of Oncology, Department of Internal Medicine II, University Hospital Krems, Krems, Austria
| | - Gerald W. Prager
- Comprehensive Cancer Center Vienna, Medical University of Vienna, Vienna, Austria
- Medical University Vienna, Department of Medicine I, Division of Oncology, Vienna, Austria
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Zhou X, Ji Y, Zhou J. Multiple Strategies to Develop Small Molecular KRAS Directly Bound Inhibitors. Molecules 2023; 28:molecules28083615. [PMID: 37110848 PMCID: PMC10146153 DOI: 10.3390/molecules28083615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 04/08/2023] [Accepted: 04/17/2023] [Indexed: 04/29/2023] Open
Abstract
KRAS gene mutation is widespread in tumors and plays an important role in various malignancies. Targeting KRAS mutations is regarded as the "holy grail" of targeted cancer therapies. Recently, multiple strategies, including covalent binding strategy, targeted protein degradation strategy, targeting protein and protein interaction strategy, salt bridge strategy, and multivalent strategy, have been adopted to develop KRAS direct inhibitors for anti-cancer therapy. Various KRAS-directed inhibitors have been developed, including the FDA-approved drugs sotorasib and adagrasib, KRAS-G12D inhibitor MRTX1133, and KRAS-G12V inhibitor JAB-23000, etc. The different strategies greatly promote the development of KRAS inhibitors. Herein, the strategies are summarized, which would shed light on the drug discovery for both KRAS and other "undruggable" targets.
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Affiliation(s)
- Xile Zhou
- Department of Colorectal Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Road, Hangzhou 310003, China
| | - Yang Ji
- Drug Development and Innovation Center, College of Chemistry and Life Sciences, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, China
| | - Jinming Zhou
- Drug Development and Innovation Center, College of Chemistry and Life Sciences, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, China
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