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Wang R, Cui W, Li L, Wei X, Chu C, Zhang G, Liu C, Xu H, Liu C, Wang K, Li Y, An L. BDTX-189, a novel tyrosine kinase inhibitor, inhibits cell activity via ERK and AKT pathways in the EGFR C797S triple mutant cells. Chem Biol Interact 2024; 395:111033. [PMID: 38710274 DOI: 10.1016/j.cbi.2024.111033] [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: 01/28/2024] [Revised: 04/20/2024] [Accepted: 05/02/2024] [Indexed: 05/08/2024]
Abstract
The tertiary mutation C797S in the structural domain of the EGFR kinase is a common cause of resistance to third-generation EGFR tyrosine kinase inhibitors (TKIs). In this study, we used a potent, selective and irreversible inhibitor, BDTX-189, to target EGFR C797S triple mutant cells for cell activity. The study constructed the H1975-C797S (EGFR L858R/T790 M/C797S) cell line using the CRISPR/Cas9 method and investigated its potential as a fourth-generation tyrosine kinase inhibitor via chemosensitivity approach. The results demonstrated its ability to induce cytotoxic effects, and inhibit EGFR L858R/T790 M/C797S cell growth and proliferation in a dose-dependent manner. Meanwhile, BDTX-189 reduces the protein phosphorylation levels of EGFR, ERK, and AKT, promoting apoptosis. Furthermore, BDTX-189 not only inhibits common EGFR triple mutations but also effectively inhibits EGFR L858R mutation and EGFR L858R/T790 M mutation. These findings support the cytotoxic effect of BDTX-189 and its inhibitory effect on cell division and proliferation with the EGFR C797S triple mutation.
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Affiliation(s)
- Rui Wang
- Translational Medicine Center, Huaihe Hospital of Henan University, Henan University, Kaifeng, 475000, China
| | - Wenrui Cui
- Translational Medicine Center, Huaihe Hospital of Henan University, Henan University, Kaifeng, 475000, China
| | - Lanxin Li
- Translational Medicine Center, Huaihe Hospital of Henan University, Henan University, Kaifeng, 475000, China
| | - Xiangkai Wei
- Translational Medicine Center, Huaihe Hospital of Henan University, Henan University, Kaifeng, 475000, China
| | - Chunhong Chu
- Translational Medicine Center, Huaihe Hospital of Henan University, Henan University, Kaifeng, 475000, China; Institutes of Traditional Chinese Medicine, School of Pharmacy, Henan University, Kaifeng, 475000, Henan, China
| | - Guoliang Zhang
- Translational Medicine Center, Huaihe Hospital of Henan University, Henan University, Kaifeng, 475000, China; Institutes of Traditional Chinese Medicine, School of Pharmacy, Henan University, Kaifeng, 475000, Henan, China
| | - Chenxue Liu
- Translational Medicine Center, Huaihe Hospital of Henan University, Henan University, Kaifeng, 475000, China
| | - Huixia Xu
- Translational Medicine Center, Huaihe Hospital of Henan University, Henan University, Kaifeng, 475000, China
| | - Chenyang Liu
- Translational Medicine Center, Huaihe Hospital of Henan University, Henan University, Kaifeng, 475000, China
| | - Ke Wang
- Translational Medicine Center, Huaihe Hospital of Henan University, Henan University, Kaifeng, 475000, China; Institutes of Traditional Chinese Medicine, School of Pharmacy, Henan University, Kaifeng, 475000, Henan, China
| | - Yanming Li
- Translational Medicine Center, Huaihe Hospital of Henan University, Henan University, Kaifeng, 475000, China
| | - Lei An
- Translational Medicine Center, Huaihe Hospital of Henan University, Henan University, Kaifeng, 475000, China; Institutes of Traditional Chinese Medicine, School of Pharmacy, Henan University, Kaifeng, 475000, Henan, China.
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Zhou Z, Liao B, Wang S, Tang J, Zhao H, Tong M, Li K, Xiong S. Improved Production of Anti-FGF-2 Nanobody Using Pichia pastoris and Its Effect on Antiproliferation of Keratinocytes and Alleviation of Psoriasis. Arch Immunol Ther Exp (Warsz) 2023; 71:20. [PMID: 37632545 DOI: 10.1007/s00005-023-00685-w] [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: 03/20/2023] [Accepted: 07/14/2023] [Indexed: 08/28/2023]
Abstract
Fibroblast growth factor 2 (FGF-2) is not only an angiogenic factor, but also a mitogen for epidermal keratinocytes. FGF-2 has been shown to be positively immunoreactive in the basal layer of psoriatic lesions. In previous work, we used the Escherichia coli (E. coli) expression system to biosynthesize a biologically active anti-FGF-2 nanobody (Nb) screened by phage display technology, but the low yield limited its clinical application. In this study, we aimed to increase the yield of anti-FGF-2 Nb, and evaluate its therapeutic potential for psoriasis by inhibiting FGF-2-mediated mitogenic signaling in psoriatic epidermal keratinocytes. We demonstrated a 16-fold improvement in the yield of anti-FGF-2 Nb produced in the Pichia pastoris (P. pastoris) compared to the E. coli expression system. In vitro, the FGF-2-induced HaCaT cell model (FHCM) was established to mimic the key feature of keratinocyte overproliferation in psoriasis. Anti-FGF-2 Nb was able to effectively inhibit the proliferation and migration of FHCM. In vivo, anti-FGF-2 Nb attenuated the severity of imiquimod (IMQ)-induced psoriatic lesions in mice, and also improved the inflammatory microenvironment by inhibiting the secretion of inflammatory cytokines (IL-1β, IL-6, IL-23, and TNF-α), chemokines (CXCL1 and CCL20), and neutrophil infiltration in skin lesions. These were mainly related to the suppression of FGF-2-mediated mitogenic signaling in psoriatic keratinocytes. In conclusion, we have improved the production of anti-FGF-2 Nb and demonstrated the modality of attenuating the abnormal proliferative behavior of psoriatic keratinocytes by inhibiting FGF-2-mediated mitogenic signaling, which offers the possibility of treating psoriasis.
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Affiliation(s)
- Zhenlong Zhou
- Institute of Biomedicine and National Engineering Research Center of Genetic Medicine, College of Life Science and Technology, Jinan University, Guangzhou, 510632, People's Republic of China
- School of Food Science and Engineering, South China University of Technology, Guangzhou, 510640, People's Republic of China
| | - Baixin Liao
- Institute of Biomedicine and National Engineering Research Center of Genetic Medicine, College of Life Science and Technology, Jinan University, Guangzhou, 510632, People's Republic of China
| | - Shengli Wang
- Institute of Biomedical Transformation, School of Basic Medicine and Public Health, Jinan University, Guangzhou, 510632, People's Republic of China
| | - Jian Tang
- Institute of Biomedicine and National Engineering Research Center of Genetic Medicine, College of Life Science and Technology, Jinan University, Guangzhou, 510632, People's Republic of China
| | - Hui Zhao
- Institute of Biomedicine and National Engineering Research Center of Genetic Medicine, College of Life Science and Technology, Jinan University, Guangzhou, 510632, People's Republic of China
| | - Mingjie Tong
- Institute of Biomedicine and National Engineering Research Center of Genetic Medicine, College of Life Science and Technology, Jinan University, Guangzhou, 510632, People's Republic of China
| | - Keting Li
- Institute of Biomedicine and National Engineering Research Center of Genetic Medicine, College of Life Science and Technology, Jinan University, Guangzhou, 510632, People's Republic of China
| | - Sheng Xiong
- Institute of Biomedicine and National Engineering Research Center of Genetic Medicine, College of Life Science and Technology, Jinan University, Guangzhou, 510632, People's Republic of China.
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Qin Q, Liu H, He W, Guo Y, Zhang J, She J, Zheng F, Zhang S, Muyldermans S, Wen Y. Single Domain Antibody application in bacterial infection diagnosis and neutralization. Front Immunol 2022; 13:1014377. [PMID: 36248787 PMCID: PMC9558170 DOI: 10.3389/fimmu.2022.1014377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 09/15/2022] [Indexed: 11/21/2022] Open
Abstract
Increasing antibiotic resistance to bacterial infections causes a serious threat to human health. Efficient detection and treatment strategies are the keys to preventing and reducing bacterial infections. Due to the high affinity and antigen specificity, antibodies have become an important tool for diagnosis and treatment of various human diseases. In addition to conventional antibodies, a unique class of “heavy-chain-only” antibodies (HCAbs) were found in the serum of camelids and sharks. HCAbs binds to the antigen through only one variable domain Referred to as VHH (variable domain of the heavy chain of HCAbs). The recombinant format of the VHH is also called single domain antibody (sdAb) or nanobody (Nb). Sharks might also have an ancestor HCAb from where SdAbs or V-NAR might be engineered. Compared with traditional Abs, Nbs have several outstanding properties such as small size, high stability, strong antigen-binding affinity, high solubility and low immunogenicity. Furthermore, they are expressed at low cost in microorganisms and amenable to engineering. These superior properties make Nbs a highly desired alternative to conventional antibodies, which are extensively employed in structural biology, unravelling biochemical mechanisms, molecular imaging, diagnosis and treatment of diseases. In this review, we summarized recent progress of nanobody-based approaches in diagnosis and neutralization of bacterial infection and further discussed the challenges of Nbs in these fields.
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Affiliation(s)
- Qian Qin
- Department of General Surgery, Center for Microbiome Research of Med-X Institute, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China
- The Key Laboratory of Environment and Genes Related to Disease of Ministry of Education, Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Hao Liu
- Center for Biomedical Research, Institute of Future Agriculture, Northwest A&F University, Yangling, China
| | - Wenbo He
- Department of General Surgery, Center for Microbiome Research of Med-X Institute, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Yucheng Guo
- The Key Laboratory of Environment and Genes Related to Disease of Ministry of Education, Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Jiaxin Zhang
- The Key Laboratory of Environment and Genes Related to Disease of Ministry of Education, Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Junjun She
- Department of General Surgery, Center for Microbiome Research of Med-X Institute, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Fang Zheng
- The Key Laboratory of Environment and Genes Related to Disease of Ministry of Education, Health Science Center, Xi'an Jiaotong University, Xi'an, China
| | - Sicai Zhang
- Center for Biomedical Research, Institute of Future Agriculture, Northwest A&F University, Yangling, China
| | - Serge Muyldermans
- Laboratory of Cellular and Molecular Immunology, Vrije Universiteit Brussel, Brussels, Belgium
| | - Yurong Wen
- Department of General Surgery, Center for Microbiome Research of Med-X Institute, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China
- The Key Laboratory of Environment and Genes Related to Disease of Ministry of Education, Health Science Center, Xi'an Jiaotong University, Xi'an, China
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Molecular Targeting of Epidermal Growth Factor Receptor (EGFR) and Vascular Endothelial Growth Factor Receptor (VEGFR). Molecules 2021; 26:molecules26041076. [PMID: 33670650 PMCID: PMC7922143 DOI: 10.3390/molecules26041076] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 02/13/2021] [Accepted: 02/16/2021] [Indexed: 12/13/2022] Open
Abstract
Epidermal growth factor receptor (EGFR) and vascular endothelial growth factor receptor (VEGFR) are two extensively studied membrane-bound receptor tyrosine kinase proteins that are frequently overexpressed in many cancers. As a result, these receptor families constitute attractive targets for imaging and therapeutic applications in the detection and treatment of cancer. This review explores the dynamic structure and structure-function relationships of these two growth factor receptors and their significance as it relates to theranostics of cancer, followed by some of the common inhibition modalities frequently employed to target EGFR and VEGFR, such as tyrosine kinase inhibitors (TKIs), antibodies, nanobodies, and peptides. A summary of the recent advances in molecular imaging techniques, including positron emission tomography (PET), single-photon emission computerized tomography (SPECT), computed tomography (CT), magnetic resonance imaging (MRI), and optical imaging (OI), and in particular, near-IR fluorescence imaging using tetrapyrrolic-based fluorophores, concludes this review.
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Liu M, Li L, Jin D, Liu Y. Nanobody-A versatile tool for cancer diagnosis and therapeutics. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2021; 13:e1697. [PMID: 33470555 DOI: 10.1002/wnan.1697] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 12/19/2020] [Accepted: 12/28/2020] [Indexed: 12/13/2022]
Abstract
In spite of the successful use of monoclonal antibodies (mAbs) in clinic for tumor treatment, their applications are still hampered in therapeutic development due to limitations, such as tumor penetration and high cost of manufacture. Nanobody, a single domain antibody that holds the strong antigen targeting and binding capacity, has demonstrated various advantages relative to antibody. Nanobody is considered as a next-generation of antibody-derived tool in the antigen related recognition and modulation. A number of nanobodies have been developed and evaluated in different stages of clinical trials for cancer treatment. Here we summarized the current progress of nanobody in tumor diagnosis and therapeutics, particularly on the conjugation of nanobody with functional moieties. The nanobody conjugation of diagnostic agents, such as radionuclide and optical tracers, can achieve specific tumor imaging. The nanobody-drug conjugates can enhance the therapeutic efficacy of anti-tumor drugs and reduce the adverse effects. The decoration of nanobody on nanodrug delivery systems can further improve the drug targeting to specific tumors. This article is categorized under: Therapeutic Approaches and Drug Discovery > Nanomedicine for Oncologic Disease.
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Affiliation(s)
- Manman Liu
- CAS Key Laboratory of Soft Matter Chemistry, Department of Chemistry, University of Science and Technology of China, Hefei, China
| | - Li Li
- CAS Key Laboratory of Soft Matter Chemistry, Department of Chemistry, University of Science and Technology of China, Hefei, China
| | - Duo Jin
- CAS Key Laboratory of Soft Matter Chemistry, Department of Chemistry, University of Science and Technology of China, Hefei, China
| | - Yangzhong Liu
- CAS Key Laboratory of Soft Matter Chemistry, Department of Chemistry, University of Science and Technology of China, Hefei, China
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