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Alharthi NS, Alwethaynani MS, Alhazmi AY, Alawam AS, Alshehri FF, Alotaibi F, Rehman ZU, Alkhayl FFA, Al-Bazi MM, Khan FR. In silico assessment of a natural small molecule as an inhibitor of programmed death ligand 1 for cancer immunotherapy: a computational approach. J Biomol Struct Dyn 2024:1-21. [PMID: 38385444 DOI: 10.1080/07391102.2024.2317980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 02/07/2024] [Indexed: 02/23/2024]
Abstract
Programmed cell death ligand 1 (PD-L1) is a crucial target for cancer therapy. Here, an in silico study investigates PD-L1 to inhibit its interaction with PD1, thereby promoting an immune response to eliminate cancer cells. The study employed machine learning (ML) -based QSAR to detect PDL1 inhibitors. Morgan's fingerprint with docking score showed a 0.83 correlation with the experimental IC50, enabling the screening of 3200 natural compounds. The top three compounds, considered 2819, 2821 and 3188, were selected from the ML-based QSAR and subjected to molecular docking and simulation. The binding scores for 2819, 2821 and 3188 were -7.0, -9.0 and -8.9 kcal/mol, respectively. The stability of the ligands during a 100 ns simulation was assessed using RMSD, showing that 2819 and 2821 maintained stable patterns comparable to the control inhibitor. Notably, 2819 exhibited a consistent stable pattern throughout the simulation, while 2821 showed stability in the last 40 ns. The control compound showed the highest number of hydrogen bonds with proteins, whereas compounds 2819 and 2821 formed continuous H-bonds. 3188 was separated from the protein in later phases and is not regarded as a potential PD-L1-binding molecule. MMGBSA binding free energy for complexes was computed. Control had the lowest binding free energy, while 2819 and 2821 also had lower binding energies. In contrast, 3188 showed poor binding free energy, causing protein separation. Principal component analysis showed a loss of entropy and reduced protein conformational variation. Overall, 2819 and 2821 are potential binders for PD-L1 inhibition and immune response triggering.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Nahed S Alharthi
- Department of Medical Laboratory. College of Applied Medical Sciences in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudia Arabia
| | - Maher S Alwethaynani
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, AlQuwayiyah, Shaqra University, Saudi Arabia
| | - Abdulfattah Y Alhazmi
- Pharmaceutical Practices Department, College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Abdullah S Alawam
- Department of Biology, College of Science, Imam Mohammad Ibn Saud Islamic University, Riyadh, Saudi Arabia
| | - Faez Falah Alshehri
- Department of Medical Laboratories, College of Applied Medical Sciences, Shaqra University, Saudi Arabia
| | - Faisal Alotaibi
- Department of Pharmacy Practice, College of Pharmacy, Shaqra University, Saudi Arabia
| | - Zia Ur Rehman
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jazan University, Saudi Arabia
| | - Faris F Aba Alkhayl
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah, Saudi Arabia
| | - Maha M Al-Bazi
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Farhan R Khan
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, AlQuwayiyah, Shaqra University, Saudi Arabia
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Katsuya H, Suzumiya J, Kimura S. Clinical PD-1/PD-L1 Blockades in Combination Therapies for Lymphomas. Cancers (Basel) 2023; 15:5399. [PMID: 38001659 PMCID: PMC10670854 DOI: 10.3390/cancers15225399] [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: 08/31/2023] [Revised: 11/02/2023] [Accepted: 11/11/2023] [Indexed: 11/26/2023] Open
Abstract
Immunotherapy with the programmed cell death protein 1 (PD-1)/PD-1 ligand (PD-L1) blockade has revolutionized the treatment of advanced solid cancers. However, these clinical benefits have been limited to cases of malignant lymphomas, showing promising results for only classic Hodgkin lymphoma (cHL) and primary mediastinal B-cell lymphoma (PMBCL). To bring clinical benefits to more patients with lymphoma, numerous combination therapies involving PD-1/PD-L1 blockade have been tested in clinical trials in both frontline and relapsed/refractory settings. This article reviews the current landscape of combination therapies with PD-1/PD-L1 blockade for lymphoma and discusses the potential therapeutic approaches. An interim analysis of a phase 3 study demonstrated increased progression-free survival with nivolumab combination therapy over the current frontline treatment in patients with advanced-stage cHL. The results of combination therapies for aggressive B-cell lymphomas, except for PMBCL, have been disappointing. Several clinical trials of combined PD-1/PD-L1 blockade and Bruton's tyrosine kinase inhibitors are exploring its efficacy in patients with chronic lymphocytic leukemia (CLL) with Richter transformation. Several T-cell lymphoma subtypes respond to PD-1/PD-L1 blockade monotherapy. Further clinical trials are underway to investigate appropriate combination regimens with PD-1/PD-L1 blockade, especially for cHL, CLL with Richter transformation, and T-cell lymphoma, in both frontline and relapsed/refractory settings.
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Affiliation(s)
- Hiroo Katsuya
- Division of Hematology, Respiratory Medicine and Oncology, Department of Internal Medicine, Faculty of Medicine, Saga University, Saga 849-8501, Japan
| | - Junji Suzumiya
- Department of Hematology, Koga Community Hospital, Yaizu 425-0088, Japan;
| | - Shinya Kimura
- Division of Hematology, Respiratory Medicine and Oncology, Department of Internal Medicine, Faculty of Medicine, Saga University, Saga 849-8501, Japan
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Chen M, Bie L, Ying J. Cancer cell-intrinsic PD-1: Its role in malignant progression and immunotherapy. Biomed Pharmacother 2023; 167:115514. [PMID: 37716115 DOI: 10.1016/j.biopha.2023.115514] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 09/08/2023] [Accepted: 09/12/2023] [Indexed: 09/18/2023] Open
Abstract
Programmed cell death protein-1 (PD-1), also called CD279, is coded by the PDCD1 gene and is constitutively expressed on the surface of immune cells. As a receptor and immune checkpoint, PD-1 can bind to programmed death ligand-1/programmed death ligand-2 (PD-L1/PD-L2) in tumor cells, leading to tumor immune evasion. Anti-PD-1 and anti-PD-L1 are important components in tumor immune therapy. PD-1 is also expressed as an intrinsic variant (iPD-1) in cancer cells where it plays important roles in malignant progression as proposed by recent studies. However, iPD-1 has received much less attention compared to PD-1 expressed on immune cells although there is an unmet medical need for fully elucidating the mechanisms of actions to achieve the best response in tumor immunotherapy. iPD-1 suppresses tumorigenesis in non-small cell lung cancer (NSCLC) and colon cancer, whereas it promotes tumorigenesis in melanoma, hepatocellular carcinoma (HCC), pancreatic ductal adenocarcinoma (PDAC), thyroid cancer (TC), glioblastoma (GBM), and triple-negative breast cancer (TNBC). In this review, we focus on the role of iPD-1 in tumorigenesis and development and its molecular mechanisms. We also deeply discuss nivolumab-based combined therapy in common tumor therapy. iPD-1 may explain the different therapeutic effects of anti-PD-1 treatment and provide critical information for use in combined anti-tumor approaches.
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Affiliation(s)
- Muhua Chen
- Department of Hepato-Pancreato-Biliary & Gastric Medical Oncology, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, China.
| | - Lei Bie
- Department of Thoracic Surgery, Wuhan No.1 Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Jieer Ying
- Department of Hepato-Pancreato-Biliary & Gastric Medical Oncology, Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, China.
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Boisgerault N, Bertrand P. Inside PD-1/PD-L1,2 with their inhibitors. Eur J Med Chem 2023; 256:115465. [PMID: 37196547 DOI: 10.1016/j.ejmech.2023.115465] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 05/04/2023] [Accepted: 05/05/2023] [Indexed: 05/19/2023]
Abstract
This review summarizes current knowledge in the development of immune checkpoint inhibitors, including antibodies and small molecules.
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Affiliation(s)
- Nicolas Boisgerault
- Nantes Université, Inserm UMR 1307, CNRS UMR 6075, Université D'Angers, CRCI2NA, LabEx IGO, F-44000, Nantes, France
| | - Philippe Bertrand
- University of Poitiers, IC2MP UMR 7285 CNRS, 4 Rue Michel Brunet B27, TSA 51106, 86073 Poitiers Cedex 9, France.
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Zhang S, You X, Xu T, Chen Q, Li H, Dou L, Sun Y, Xiong X, Meredith MA, Sun Y. PD-L1 induction via the MEK-JNK-AP1 axis by a neddylation inhibitor promotes cancer-associated immunosuppression. Cell Death Dis 2022; 13:844. [PMID: 36192389 PMCID: PMC9529958 DOI: 10.1038/s41419-022-05292-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 09/20/2022] [Accepted: 09/22/2022] [Indexed: 01/23/2023]
Abstract
MLN4924 is a first-in-class small molecule inhibitor of NEDD8-activating enzyme (NAE), which is currently in several clinical trials for anti-cancer applications. However, MLN4924 also showed some off-target effects with potential to promote the growth of cancer cells which counteracts its anticancer activity. In this study, we found that MLN4924 increases the levels of PD-L1 mRNA and protein in dose- and time-dependent manners. Mechanistic study showed that this MLN4924 effect is largely independent of neddylation inactivation, but is due to activation of both ERK and JNK signals, leading to AP-1 activation, which is blocked by the small molecule inhibitors of MEK and JNK, respectively. Biologically, MLN4924 attenuates T cell killing in a co-culture model due to PD-L1 upregulation, which can be, at least in part, abrogated by either MEK inhibitor or anti-PD-L1 antibody. In an in vivo BALB/c mouse xenograft tumor model, while MLN4924 alone had no effect, combination with either MEK inhibitor or anti-PD-L1 antibody enhanced the suppression of tumor growth. Taken together, our study provides a sound rationale for effective anticancer therapy in combination of anti-PD-L1 antibody or MEK inhibitor with MLN4924 to overcome the side-effect of immunosuppression by MLN4924 via PD-L1 induction.
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Affiliation(s)
- Shizhen Zhang
- grid.412465.0Cancer Institute, the Second Affiliated Hospital, Zhejiang University School of Medicine, 310029 Hangzhou, China ,grid.412465.0Department of Breast Surgery and Oncology, Key Laboratory of Cancer Prevention and Intervention, Ministry of Education, the Second Affiliated Hospital, Zhejiang University School of Medicine, 310029 Hangzhou, China
| | - Xiahong You
- grid.13402.340000 0004 1759 700XInstitute of Translational Medicine, Zhejiang University School of Medicine, 310029 Hangzhou, China
| | - Tiantian Xu
- grid.13402.340000 0004 1759 700XInstitute of Translational Medicine, Zhejiang University School of Medicine, 310029 Hangzhou, China
| | - Qian Chen
- grid.13402.340000 0004 1759 700XInstitute of Translational Medicine, Zhejiang University School of Medicine, 310029 Hangzhou, China
| | - Hua Li
- grid.214458.e0000000086837370Division of Radiation and Cancer Biology, Department of Radiation Oncology, University of Michigan, 4424B MS-1, 1301 Catherine Street, Ann Arbor, MI 48109 USA
| | - Longyu Dou
- grid.13402.340000 0004 1759 700XInstitute of Translational Medicine, Zhejiang University School of Medicine, 310029 Hangzhou, China
| | - Yilun Sun
- grid.214458.e0000000086837370Division of Radiation and Cancer Biology, Department of Radiation Oncology, University of Michigan, 4424B MS-1, 1301 Catherine Street, Ann Arbor, MI 48109 USA
| | - Xiufang Xiong
- grid.412465.0Cancer Institute, the Second Affiliated Hospital, Zhejiang University School of Medicine, 310029 Hangzhou, China ,grid.13402.340000 0004 1759 700XInstitute of Translational Medicine, Zhejiang University School of Medicine, 310029 Hangzhou, China
| | - Morgan A. Meredith
- grid.214458.e0000000086837370Division of Radiation and Cancer Biology, Department of Radiation Oncology, University of Michigan, 4424B MS-1, 1301 Catherine Street, Ann Arbor, MI 48109 USA
| | - Yi Sun
- grid.412465.0Cancer Institute, the Second Affiliated Hospital, Zhejiang University School of Medicine, 310029 Hangzhou, China ,grid.13402.340000 0004 1759 700XInstitute of Translational Medicine, Zhejiang University School of Medicine, 310029 Hangzhou, China ,grid.13402.340000 0004 1759 700XZhejiang University Cancer Center, 310029 Hangzhou, China ,grid.13402.340000 0004 1759 700XResearch Center for Life Science and Human Health, Binjiang Institute of Zhejiang University, Hangzhou, 310053 Zhejiang China
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