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Chen S, Wang W, Chen Z, Li R, Wu Z, Dong G, Sheng C. Peptide-Mediated Small Molecule Lysosome-Targeting Chimeras for Targeted Degradation of Membrane and Intracellular Proteins. J Med Chem 2024. [PMID: 39146536 DOI: 10.1021/acs.jmedchem.4c01449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/17/2024]
Abstract
Targeted protein degradation through the lysosomal pathway has attracted increasing attention and expanded the scope of degradable proteins. However, the endogenous lysosomal degradation strategies are mainly based on antibodies or nanobodies. Effective small molecule lysosomal degraders are still rather rare. Herein, a new lysosomal degradation approach, termed peptide-mediated small molecule lysosome-targeting chimeras (PSMLTACs), was developed by the incorporation of small molecule ligands with a lysosome-sorting NPGY motif containing the cell-penetrating peptide. PSMLTACs were successfully applied to degrade both membrane and intracellular targets. In particular, the PSMLTAC strategy demonstrated higher degradation efficiency on membrane target PD-L1 and intracellular target PDEδ than corresponding PROTAC degraders. Taken together, this proof-of-concept provides a convenient and effective strategy for targeted protein degradation.
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Affiliation(s)
- Shuqiang Chen
- The Center for Basic Research and Innovation of Medicine and Pharmacy (MOE), School of Pharmacy, Second Military Medical University (Naval Medical University), Shanghai 200433, P.R. China
| | - Wei Wang
- The Center for Basic Research and Innovation of Medicine and Pharmacy (MOE), School of Pharmacy, Second Military Medical University (Naval Medical University), Shanghai 200433, P.R. China
| | - Zhipeng Chen
- The Center for Basic Research and Innovation of Medicine and Pharmacy (MOE), School of Pharmacy, Second Military Medical University (Naval Medical University), Shanghai 200433, P.R. China
| | - Ruyan Li
- The Center for Basic Research and Innovation of Medicine and Pharmacy (MOE), School of Pharmacy, Second Military Medical University (Naval Medical University), Shanghai 200433, P.R. China
| | - Zhe Wu
- The Center for Basic Research and Innovation of Medicine and Pharmacy (MOE), School of Pharmacy, Second Military Medical University (Naval Medical University), Shanghai 200433, P.R. China
| | - Guoqiang Dong
- The Center for Basic Research and Innovation of Medicine and Pharmacy (MOE), School of Pharmacy, Second Military Medical University (Naval Medical University), Shanghai 200433, P.R. China
| | - Chunquan Sheng
- The Center for Basic Research and Innovation of Medicine and Pharmacy (MOE), School of Pharmacy, Second Military Medical University (Naval Medical University), Shanghai 200433, P.R. China
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2
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Ozgencil F, Gunindi HB, Eren G. Dual-targeted NAMPT inhibitors as a progressive strategy for cancer therapy. Bioorg Chem 2024; 149:107509. [PMID: 38824699 DOI: 10.1016/j.bioorg.2024.107509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2024] [Revised: 04/29/2024] [Accepted: 05/28/2024] [Indexed: 06/04/2024]
Abstract
In mammals, nicotinamide phosphoribosyltransferase (NAMPT) is a crucial enzyme in the nicotinamide adenine dinucleotide (NAD+) synthesis pathway catalyzing the condensation of nicotinamide (NAM) with 5-phosphoribosyl-1-pyrophosphate (PRPP) to produce nicotinamide mononucleotide (NMN). Given the pivotal role of NAD+ in a range of cellular functions, including DNA synthesis, redox reactions, cytokine generation, metabolism, and aging, NAMPT has become a promising target for many diseases, notably cancer. Therefore, various NAMPT inhibitors have been reported and classified as first and second-generation based on their chemical structures and design strategies, dual-targeted being one. However, most NAMPT inhibitors suffer from several limitations, such as dose-dependent toxicity and poor pharmacokinetic properties. Consequently, there is no clinically approved NAMPT inhibitor. Hence, research on discovering more effective and less toxic dual-targeted NAMPT inhibitors with desirable pharmacokinetic properties has drawn attention recently. This review summarizes the previously reported dual-targeted NAMPT inhibitors, focusing on their design strategies and advantages over the single-targeted therapies.
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Affiliation(s)
- Fikriye Ozgencil
- SIRTeam Group, Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Gazi University, 06330 Ankara, Türkiye
| | - Habibe Beyza Gunindi
- SIRTeam Group, Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Gazi University, 06330 Ankara, Türkiye
| | - Gokcen Eren
- SIRTeam Group, Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Gazi University, 06330 Ankara, Türkiye.
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3
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Kaya P, Schaffner-Reckinger E, Manoharan GB, Vukic V, Kiriazis A, Ledda M, Burgos Renedo M, Pavic K, Gaigneaux A, Glaab E, Abankwa DK. An Improved PDE6D Inhibitor Combines with Sildenafil To Inhibit KRAS Mutant Cancer Cell Growth. J Med Chem 2024; 67:8569-8584. [PMID: 38758695 PMCID: PMC11181323 DOI: 10.1021/acs.jmedchem.3c02129] [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: 11/16/2023] [Revised: 04/09/2024] [Accepted: 04/12/2024] [Indexed: 05/19/2024]
Abstract
The trafficking chaperone PDE6D (or PDEδ) was proposed as a surrogate target for K-Ras, leading to the development of a series of inhibitors that block its prenyl binding pocket. These inhibitors suffered from low solubility and suspected off-target effects, preventing their clinical development. Here, we developed a highly soluble, low nanomolar PDE6D inhibitor (PDE6Di), Deltaflexin3, which has the lowest off-target activity as compared to three prominent reference compounds. Deltaflexin3 reduces Ras signaling and selectively decreases the growth of KRAS mutant and PDE6D-dependent cancer cells. We further show that PKG2-mediated phosphorylation of Ser181 lowers K-Ras binding to PDE6D. Thus, Deltaflexin3 combines with the approved PKG2 activator Sildenafil to more potently inhibit PDE6D/K-Ras binding, cancer cell proliferation, and microtumor growth. As observed previously, inhibition of Ras trafficking, signaling, and cancer cell proliferation remained overall modest. Our results suggest reevaluating PDE6D as a K-Ras surrogate target in cancer.
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Affiliation(s)
- Pelin Kaya
- Cancer
Cell Biology and Drug Discovery Group, Department of Life Sciences
and Medicine, University of Luxembourg, 4365 Esch-sur-Alzette, Luxembourg
| | - Elisabeth Schaffner-Reckinger
- Cancer
Cell Biology and Drug Discovery Group, Department of Life Sciences
and Medicine, University of Luxembourg, 4365 Esch-sur-Alzette, Luxembourg
| | - Ganesh babu Manoharan
- Cancer
Cell Biology and Drug Discovery Group, Department of Life Sciences
and Medicine, University of Luxembourg, 4365 Esch-sur-Alzette, Luxembourg
| | - Vladimir Vukic
- Faculty
of Technology, University of Novi Sad, 21000 Novi Sad, Serbia
| | - Alexandros Kiriazis
- Turku
Bioscience Centre, University of Turku and
Åbo Akademi University, 20520 Turku, Finland
| | - Mirko Ledda
- Luxembourg
Center for Systems Biomedicine, University
of Luxembourg, 4365 Esch-sur-Alzette, Luxembourg
| | - Maria Burgos Renedo
- Cancer
Cell Biology and Drug Discovery Group, Department of Life Sciences
and Medicine, University of Luxembourg, 4365 Esch-sur-Alzette, Luxembourg
| | - Karolina Pavic
- Cancer
Cell Biology and Drug Discovery Group, Department of Life Sciences
and Medicine, University of Luxembourg, 4365 Esch-sur-Alzette, Luxembourg
| | - Anthoula Gaigneaux
- Bioinformatics
Core, Department of Life Sciences and Medicine, University of Luxembourg, 4365 Esch-sur-Alzette, Luxembourg
| | - Enrico Glaab
- Luxembourg
Center for Systems Biomedicine, University
of Luxembourg, 4365 Esch-sur-Alzette, Luxembourg
| | - Daniel Kwaku Abankwa
- Cancer
Cell Biology and Drug Discovery Group, Department of Life Sciences
and Medicine, University of Luxembourg, 4365 Esch-sur-Alzette, Luxembourg
- Turku
Bioscience Centre, University of Turku and
Åbo Akademi University, 20520 Turku, Finland
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4
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Bao J, Chen Z, Li Y, Chen L, Wang W, Sheng C, Dong G. Discovery of Novel PDEδ Autophagic Degraders: A Case Study of Autophagy-Tethering Compound (ATTEC). ACS Med Chem Lett 2024; 15:29-35. [PMID: 38229750 PMCID: PMC10788939 DOI: 10.1021/acsmedchemlett.3c00161] [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: 04/25/2023] [Revised: 12/23/2023] [Accepted: 12/26/2023] [Indexed: 01/18/2024] Open
Abstract
The autophagy-tethering compound (ATTEC) technology has emerged as a promising strategy for targeted protein degradation (TPD). Here, we report the discovery of the first generation of PDEδ autophagic degraders using an ATTEC approach. The most promising compound 12c exhibited potent PDEδ binding affinity and efficiently induced PDEδ degradation in a concentration-dependent manner. Mechanistic studies confirmed that compound 12c reduced the PDEδ protein level through lysosome-mediated autophagy without affecting the PDEδ mRNA expression. Importantly, compound 12c was much more effective in suppressing the growth in KRAS mutant pancreatic cancer cells than the corresponding PDEδ inhibitor. Taken together, this study expands the application scope of the ATTEC approach and highlights the effectiveness of the PDEδ autophagic degradation strategy in antitumor drug discovery.
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Affiliation(s)
- Jingying Bao
- School
of Pharmacy, East China University of Science
and Technology, Shanghai 200237, China
- School
of Pharmacy, Second Military Medical University, 325 Guohe Road, Shanghai 200433, China
| | - Zhenqian Chen
- School
of Pharmacy, East China University of Science
and Technology, Shanghai 200237, China
- School
of Pharmacy, Second Military Medical University, 325 Guohe Road, Shanghai 200433, China
| | - Yu Li
- School
of Pharmacy, Second Military Medical University, 325 Guohe Road, Shanghai 200433, China
| | - Long Chen
- School
of Pharmacy, Second Military Medical University, 325 Guohe Road, Shanghai 200433, China
| | - Wei Wang
- School
of Pharmacy, Second Military Medical University, 325 Guohe Road, Shanghai 200433, China
| | - Chunquan Sheng
- School
of Pharmacy, Second Military Medical University, 325 Guohe Road, Shanghai 200433, China
| | - Guoqiang Dong
- School
of Pharmacy, Second Military Medical University, 325 Guohe Road, Shanghai 200433, China
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Xie X, Yu T, Li X, Zhang N, Foster LJ, Peng C, Huang W, He G. Recent advances in targeting the "undruggable" proteins: from drug discovery to clinical trials. Signal Transduct Target Ther 2023; 8:335. [PMID: 37669923 PMCID: PMC10480221 DOI: 10.1038/s41392-023-01589-z] [Citation(s) in RCA: 29] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 07/22/2023] [Accepted: 08/02/2023] [Indexed: 09/07/2023] Open
Abstract
Undruggable proteins are a class of proteins that are often characterized by large, complex structures or functions that are difficult to interfere with using conventional drug design strategies. Targeting such undruggable targets has been considered also a great opportunity for treatment of human diseases and has attracted substantial efforts in the field of medicine. Therefore, in this review, we focus on the recent development of drug discovery targeting "undruggable" proteins and their application in clinic. To make this review well organized, we discuss the design strategies targeting the undruggable proteins, including covalent regulation, allosteric inhibition, protein-protein/DNA interaction inhibition, targeted proteins regulation, nucleic acid-based approach, immunotherapy and others.
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Affiliation(s)
- Xin Xie
- State Key Laboratory of Southwestern Chinese Medicine Resources, College of Medical Technology and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, 611137, Chengdu, China
- Michael Smith Laboratories, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada
| | - Tingting Yu
- State Key Laboratory of Southwestern Chinese Medicine Resources, College of Medical Technology and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, 611137, Chengdu, China
| | - Xiang Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, College of Medical Technology and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, 611137, Chengdu, China
| | - Nan Zhang
- State Key Laboratory of Southwestern Chinese Medicine Resources, College of Medical Technology and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, 611137, Chengdu, China
- Department of Dermatology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, 610041, Chengdu, China
| | - Leonard J Foster
- Michael Smith Laboratories, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada
| | - Cheng Peng
- State Key Laboratory of Southwestern Chinese Medicine Resources, College of Medical Technology and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, 611137, Chengdu, China.
| | - Wei Huang
- State Key Laboratory of Southwestern Chinese Medicine Resources, College of Medical Technology and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, 611137, Chengdu, China.
| | - Gu He
- Department of Dermatology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, 610041, Chengdu, China.
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6
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Bteich F, Mohammadi M, Li T, Bhat MA, Sofianidi A, Wei N, Kuang C. Targeting KRAS in Colorectal Cancer: A Bench to Bedside Review. Int J Mol Sci 2023; 24:12030. [PMID: 37569406 PMCID: PMC10418782 DOI: 10.3390/ijms241512030] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 07/21/2023] [Accepted: 07/23/2023] [Indexed: 08/13/2023] Open
Abstract
Colorectal cancer (CRC) is a heterogeneous disease with a myriad of alterations at the cellular and molecular levels. Kristen rat sarcoma (KRAS) mutations occur in up to 40% of CRCs and serve as both a prognostic and predictive biomarker. Oncogenic mutations in the KRAS protein affect cellular proliferation and survival, leading to tumorigenesis through RAS/MAPK pathways. Until recently, only indirect targeting of the pathway had been investigated. There are now several KRAS allele-specific inhibitors in late-phase clinical trials, and many newer agents and targeting strategies undergoing preclinical and early-phase clinical testing. The adequate treatment of KRAS-mutated CRC will inevitably involve combination therapies due to the existence of robust adaptive resistance mechanisms in these tumors. In this article, we review the most recent understanding and findings related to targeting KRAS mutations in CRC, mechanisms of resistance to KRAS inhibitors, as well as evolving treatment strategies for KRAS-mutated CRC patients.
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Affiliation(s)
- Fernand Bteich
- Department of Medical Oncology, Montefiore Medical Center, Bronx, NY 10467, USA;
- Department of Medical Oncology, Albert Einstein College of Medicine, Bronx, NY 10461, USA; (M.M.); (T.L.); (M.A.B.); (N.W.)
| | - Mahshid Mohammadi
- Department of Medical Oncology, Albert Einstein College of Medicine, Bronx, NY 10461, USA; (M.M.); (T.L.); (M.A.B.); (N.W.)
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Terence Li
- Department of Medical Oncology, Albert Einstein College of Medicine, Bronx, NY 10461, USA; (M.M.); (T.L.); (M.A.B.); (N.W.)
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Muzaffer Ahmed Bhat
- Department of Medical Oncology, Albert Einstein College of Medicine, Bronx, NY 10461, USA; (M.M.); (T.L.); (M.A.B.); (N.W.)
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Amalia Sofianidi
- Oncology Unit, Third Department of Internal Medicine, Sotiria General Hospital for Chest Diseases, National and Kapodistrian University of Athens, 11527 Athens, Greece;
| | - Ning Wei
- Department of Medical Oncology, Albert Einstein College of Medicine, Bronx, NY 10461, USA; (M.M.); (T.L.); (M.A.B.); (N.W.)
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Chaoyuan Kuang
- Department of Medical Oncology, Montefiore Medical Center, Bronx, NY 10467, USA;
- Department of Medical Oncology, Albert Einstein College of Medicine, Bronx, NY 10461, USA; (M.M.); (T.L.); (M.A.B.); (N.W.)
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY 10461, USA
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7
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Zeng M, Ruan Z, Tang J, Liu M, Hu C, Fan P, Dai X. Generation, evolution, interfering factors, applications, and challenges of patient-derived xenograft models in immunodeficient mice. Cancer Cell Int 2023; 23:120. [PMID: 37344821 DOI: 10.1186/s12935-023-02953-3] [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: 03/09/2023] [Accepted: 05/24/2023] [Indexed: 06/23/2023] Open
Abstract
Establishing appropriate preclinical models is essential for cancer research. Evidence suggests that cancer is a highly heterogeneous disease. This follows the growing use of cancer models in cancer research to avoid these differences between xenograft tumor models and patient tumors. In recent years, a patient-derived xenograft (PDX) tumor model has been actively generated and applied, which preserves both cell-cell interactions and the microenvironment of tumors by directly transplanting cancer tissue from tumors into immunodeficient mice. In addition to this, the advent of alternative hosts, such as zebrafish hosts, or in vitro models (organoids and microfluidics), has also facilitated the advancement of cancer research. However, they still have a long way to go before they become reliable models. The development of immunodeficient mice has enabled PDX to become more mature and radiate new vitality. As one of the most reliable and standard preclinical models, the PDX model in immunodeficient mice (PDX-IM) exerts important effects in drug screening, biomarker development, personalized medicine, co-clinical trials, and immunotherapy. Here, we focus on the development procedures and application of PDX-IM in detail, summarize the implications that the evolution of immunodeficient mice has brought to PDX-IM, and cover the key issues in developing PDX-IM in preclinical studies.
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Affiliation(s)
- Mingtang Zeng
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Zijing Ruan
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Jiaxi Tang
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Maozhu Liu
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Chengji Hu
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Ping Fan
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, 610041, China.
| | - Xinhua Dai
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, 610041, China.
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8
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Liu Y, Wu W, Cai C, Zhang H, Shen H, Han Y. Patient-derived xenograft models in cancer therapy: technologies and applications. Signal Transduct Target Ther 2023; 8:160. [PMID: 37045827 PMCID: PMC10097874 DOI: 10.1038/s41392-023-01419-2] [Citation(s) in RCA: 55] [Impact Index Per Article: 55.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 03/21/2023] [Indexed: 04/14/2023] Open
Abstract
Patient-derived xenograft (PDX) models, in which tumor tissues from patients are implanted into immunocompromised or humanized mice, have shown superiority in recapitulating the characteristics of cancer, such as the spatial structure of cancer and the intratumor heterogeneity of cancer. Moreover, PDX models retain the genomic features of patients across different stages, subtypes, and diversified treatment backgrounds. Optimized PDX engraftment procedures and modern technologies such as multi-omics and deep learning have enabled a more comprehensive depiction of the PDX molecular landscape and boosted the utilization of PDX models. These irreplaceable advantages make PDX models an ideal choice in cancer treatment studies, such as preclinical trials of novel drugs, validating novel drug combinations, screening drug-sensitive patients, and exploring drug resistance mechanisms. In this review, we gave an overview of the history of PDX models and the process of PDX model establishment. Subsequently, the review presents the strengths and weaknesses of PDX models and highlights the integration of novel technologies in PDX model research. Finally, we delineated the broad application of PDX models in chemotherapy, targeted therapy, immunotherapy, and other novel therapies.
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Affiliation(s)
- Yihan Liu
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, P.R. China
| | - Wantao Wu
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, P.R. China
| | - Changjing Cai
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, P.R. China
| | - Hao Zhang
- Department of Neurosurgery, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Hong Shen
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, P.R. China.
| | - Ying Han
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, P.R. China.
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