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Phinney NZ, Huang X, Toombs JE, Brekken RA. Development of betabodies: the next generation of phosphatidylserine targeting agents. J Biol Chem 2024:107681. [PMID: 39159812 DOI: 10.1016/j.jbc.2024.107681] [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: 03/05/2024] [Revised: 06/09/2024] [Accepted: 08/02/2024] [Indexed: 08/21/2024] Open
Abstract
Externalized phosphatidylserine (PS) is a phospholipid and a selective marker of the tumor microenvironment (TME). It is exposed on the outer leaflet of the plasma membrane of tumor-associated endothelial cells, apoptotic tumor cells, and some viable tumor cells, where it functions in part to suppress immune responses by binding to PS receptors expressed on tumor-infiltrating myeloid cells. PS has been targeted with antibodies, such as bavituximab, that bind the phospholipid via a cofactor, β2-glycoprotein 1 (β2GP1); these antibodies showed excellent specificity for tumor vasculature and induce an immune stimulatory environment. We have advanced this concept by developing the next generation of PS targeting agent, a fusion protein (betabody) constructed by linking PS-binding domain V of β2GP1 to the Fc of an IgG2a. Betabodies bind to externalized PS with high affinity (∼1 nM), without the requirement of a co-factor and localize robustly to the TME. We demonstrate that betabodies are a direct PS-targeting agent that have the potential to be used as anti-tumor therapy, drug delivery vehicles, and tools for imaging the TME.
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Affiliation(s)
- Natalie Z Phinney
- Department of Surgery, UT Southwestern Medical Center, 6000 Harry Hines Blvd., Dallas, TX, 75390-8593, USA; Hamon Center for Therapeutic Oncology Research, UT Southwestern Medical Center, 6000 Harry Hines Blvd., Dallas, TX, 75390-8593, USA; Cancer Biology Graduate Program, UT Southwestern Medical Center, 6000 Harry Hines Blvd., Dallas, TX, 75390-8593, USA
| | - Xianming Huang
- Hamon Center for Therapeutic Oncology Research, UT Southwestern Medical Center, 6000 Harry Hines Blvd., Dallas, TX, 75390-8593, USA; Department of Pharmacology, UT Southwestern Medical Center, 6000 Harry Hines Blvd., Dallas, TX, 75390-8593, USA
| | - Jason E Toombs
- Department of Surgery, UT Southwestern Medical Center, 6000 Harry Hines Blvd., Dallas, TX, 75390-8593, USA; Hamon Center for Therapeutic Oncology Research, UT Southwestern Medical Center, 6000 Harry Hines Blvd., Dallas, TX, 75390-8593, USA
| | - Rolf A Brekken
- Department of Surgery, UT Southwestern Medical Center, 6000 Harry Hines Blvd., Dallas, TX, 75390-8593, USA; Hamon Center for Therapeutic Oncology Research, UT Southwestern Medical Center, 6000 Harry Hines Blvd., Dallas, TX, 75390-8593, USA; Cancer Biology Graduate Program, UT Southwestern Medical Center, 6000 Harry Hines Blvd., Dallas, TX, 75390-8593, USA; Department of Pharmacology, UT Southwestern Medical Center, 6000 Harry Hines Blvd., Dallas, TX, 75390-8593, USA; Harold C. Simmons Comprehensive Cancer Center, UT Southwestern Medical Center, 6000 Harry Hines Blvd., Dallas, TX, 75390-8593, USA.
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2
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Lawrence N, Handley TNG, de Veer SJ, Harding MD, Andraszek A, Hall L, Raven KD, Duffy S, Avery VM, Craik DJ, Malins LR, McMorran BJ. Enhancing the Intrinsic Antiplasmodial Activity and Improving the Stability and Selectivity of a Tunable Peptide Scaffold Derived from Human Platelet Factor 4. ACS Infect Dis 2024; 10:2899-2912. [PMID: 39087267 PMCID: PMC11320574 DOI: 10.1021/acsinfecdis.4c00276] [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: 04/09/2024] [Revised: 06/12/2024] [Accepted: 07/23/2024] [Indexed: 08/02/2024]
Abstract
The control of malaria, a disease caused by Plasmodium parasites that kills over half a million people every year, is threatened by the continual emergence and spread of drug resistance. Therefore, new molecules with different mechanisms of action are needed in the antimalarial drug development pipeline. Peptides developed from host defense molecules are gaining traction as anti-infectives due to theood of inducing drug resistance. Human platelet factor 4 (PF4) has intrinsic activity against P. falciparum, and a macrocyclic helix-loop-helix peptide derived from its active domain recapitulates this activity. In this study, we used a stepwise approach to optimize first-generation PF4-derived internalization peptides (PDIPs) by producing analogues with substitutions to charged and hydrophobic amino acid residues or with modifications to terminal residues including backbone cyclization. We evaluated the in vitro activity of PDIP analogues against P. falciparum compared to their overall helical structure, resistance to breakdown by serum proteases, selective binding to negatively charged membranes, and hemolytic activity. Next, we combined antiplasmodial potency-enhancing substitutions that retained favorable membrane and cell-selective properties onto the most stable scaffold to produce a backbone cyclic PDIP analogue with four-fold improved activity against P. falciparum compared to first-generation peptides. These studies demonstrate the ability to modify PDIP to select for and combine desirable properties and further validate the suitability of this unique peptide scaffold for developing a new molecule class that is distinct from existing antimalarial drugs.
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Affiliation(s)
- Nicole Lawrence
- Institute
for Molecular Bioscience and Australian Research Council Centre of
Excellence for Innovations in Peptide and Protein Science, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Thomas N. G. Handley
- Department
of Radiopharmaceutical Sciences, Cancer Imaging, The Peter MacCallum Cancer Centre, Victoria 3000, Australia
- Sir
Peter MacCallum Department of Oncology, The University of Melbourne, Victoria 3010, Australia
| | - Simon J. de Veer
- Institute
for Molecular Bioscience and Australian Research Council Centre of
Excellence for Innovations in Peptide and Protein Science, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Maxim D. Harding
- Institute
for Molecular Bioscience and Australian Research Council Centre of
Excellence for Innovations in Peptide and Protein Science, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Alicja Andraszek
- Institute
for Molecular Bioscience and Australian Research Council Centre of
Excellence for Innovations in Peptide and Protein Science, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Lachlan Hall
- Institute
for Molecular Bioscience and Australian Research Council Centre of
Excellence for Innovations in Peptide and Protein Science, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Karoline D. Raven
- The
John Curtin School of Medical Research, College of Health and Medicine, Australian National University, Canberra, Australian Capital Territory 2601, Australia
| | - Sandra Duffy
- Discovery
Biology, Centre for Cellular Phenomics, School of Environment and
Science, Griffith University, Nathan, Queensland 4111, Australia
| | - Vicky M. Avery
- Discovery
Biology, Centre for Cellular Phenomics, School of Environment and
Science, Griffith University, Nathan, Queensland 4111, Australia
| | - David J. Craik
- Institute
for Molecular Bioscience and Australian Research Council Centre of
Excellence for Innovations in Peptide and Protein Science, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Lara R. Malins
- Research
School of Chemistry and Australian Research Council Centre of Excellence
for Innovations in Peptide and Protein Science, Australian National University, Canberra, Australian Capital Territory 2601, Australia
| | - Brendan J. McMorran
- The
John Curtin School of Medical Research, College of Health and Medicine, Australian National University, Canberra, Australian Capital Territory 2601, Australia
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3
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Butler SM, Ercan B, You J, Schulz LP, Jolliffe KA. A change in metal cation switches selectivity of a phospholipid sensor from phosphatidic acid to phosphatidylserine. Org Biomol Chem 2024; 22:5843-5849. [PMID: 38957899 DOI: 10.1039/d4ob00418c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
Abstract
Phosphatidic acid and phosphatidylserine are anionic phospholipids with emerging signalling roles in cells. Determination of how phosphatidic acid and phosphatidylserine change location and quantity in cells over time requires selective fluorescent sensors that can distinguish these two anionic phospholipids. However, the design of such synthetic sensors that can selectively bind and respond to a single phospholipid within the complex membrane milieu remains challenging. In this work, we present a simple and robust strategy to control the selectivity of synthetic sensors for phosphatidic acid and phosphatidylserine. By changing the coordination metal of a dipicolylamine (DPA) ligand from Zn(II) to Ni(II) on the same synthetic sensor with a peptide backbone, we achieve a complete switch in selectivity from phosphatidic acid to phosphatidylserine in model lipid membranes. Furthermore, this strategy was largely unaffected by the choice and the position of the fluorophores. We envision that this strategy will provide a platform for the rational design of targeted synthetic phospholipid sensors to probe plasma and intracellular membranes.
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Affiliation(s)
- Stephen M Butler
- School of Chemistry, The University of Sydney, NSW, 2006, Australia.
- Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Sydney, NSW, 2006, Australia
| | - Bilge Ercan
- School of Chemistry, The University of Sydney, NSW, 2006, Australia.
- Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Sydney, NSW, 2006, Australia
| | - Jingyao You
- School of Chemistry, The University of Sydney, NSW, 2006, Australia.
- Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Sydney, NSW, 2006, Australia
| | - Luke P Schulz
- School of Chemistry, The University of Sydney, NSW, 2006, Australia.
| | - Katrina A Jolliffe
- School of Chemistry, The University of Sydney, NSW, 2006, Australia.
- Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Sydney, NSW, 2006, Australia
- The University of Sydney Nano Institute (Sydney Nano), The University of Sydney, NSW, 2006, Australia
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4
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Pantazi D, Alivertis D, Tselepis AD. Underlying Mechanisms of Thrombosis Associated with Cancer and Anticancer Therapies. Curr Treat Options Oncol 2024; 25:897-913. [PMID: 38862694 DOI: 10.1007/s11864-024-01210-7] [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] [Accepted: 04/24/2024] [Indexed: 06/13/2024]
Abstract
OPINION STATEMENT Cancer-associated thrombosis (CAT) has been identified as the second most prevalent cause of death after cancer itself. Moreover, the risk of thrombotic events in cancer patients increases due to anticancer drugs, such as tyrosine kinase inhibitors (TKIs). Venous thromboembolism (VTE) as well as arterial thromboembolic (ATE) events are present in CAT. Although VTE occurs more frequently, ATE events are very significant and in some cases are more dangerous than VTE. Guidelines for preventing thrombosis refer mainly VTE as well as the contribution of ATE events. Several factors are involved in thrombosis related to cancer, but the whole pathomechanism of thrombosis is not clear and may differ between patients. The activation of the coagulation system and the interaction of cancer cells with other cells including platelets, endothelial cells, monocytes, and neutrophils are promoted by a hypercoagulable state caused by cancer. We present an update on the pathomechanisms of CAT and the effect of anticancer drugs, mainly targeted therapies with a focus on TKIs. Considering the risk of bleeding associated with anticoagulation in each cancer patient, the anticoagulation strategy may involve the use of FXIa inhibitors, direct oral anticoagulants, and low-molecular-weight heparin. Further research would be valuable in developing strategies for reducing CAT.
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Affiliation(s)
- Despoina Pantazi
- Laboratory of Biochemistry, Department of Chemistry/Atherothrombosis Research Centre, University of Ioannina, 451 10, Ioannina, Epirus, Greece.
| | - Dimitrios Alivertis
- Department of Biological Applications and Technology, University of Ioannina, 451 10, Ioannina, Epirus, Greece
| | - Alexandros D Tselepis
- Laboratory of Biochemistry, Department of Chemistry/Atherothrombosis Research Centre, University of Ioannina, 451 10, Ioannina, Epirus, Greece
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5
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Hristova SH, Zhivkov AM. Intermolecular Electrostatic Interactions in Cytochrome c Protein Monolayer on Montmorillonite Alumosilicate Surface: A Positive Cooperative Effect. Int J Mol Sci 2024; 25:6834. [PMID: 38999945 PMCID: PMC11241403 DOI: 10.3390/ijms25136834] [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: 05/07/2024] [Revised: 06/17/2024] [Accepted: 06/18/2024] [Indexed: 07/14/2024] Open
Abstract
Montmorillonite (MM) crystal nanoplates acquire anticancer properties when coated with the mitochondrial protein cytochrome c (cytC) due to the cancer cells' capability to phagocytize cytC-MM colloid particles. The introduced exogenous cytC initiates apoptosis: an irreversible cascade of biochemical reactions leading to cell death. In the present research, we investigate the organization of the cytC layer on the MM surface by employing physicochemical and computer methods-microelectrophoresis, static, and electric light scattering-to study cytC adsorption on the MM surface, and protein electrostatics and docking to calculate the local electric potential and Gibbs free energy of interacting protein globules. The found protein concentration dependence of the adsorbed cytC quantity is nonlinear, manifesting a positive cooperative effect that emerges when the adsorbed cytC globules occupy more than one-third of the MM surface. Computer analysis reveals that the cooperative effect is caused by the formation of protein associates in which the cytC globules are oriented with oppositely charged surfaces. The formation of dimers and trimers is accompanied by a strong reduction in the electrostatic component of the Gibbs free energy of protein association, while the van der Waals component plays a secondary role.
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Affiliation(s)
- Svetlana H Hristova
- Department of Medical Physics and Biophysics, Medical Faculty, Medical University-Sofia, Zdrave Str. 2, 1431 Sofia, Bulgaria
| | - Alexandar M Zhivkov
- Scientific Research Center, "St. Kliment Ohridski" Sofia University, 8 Dragan Tsankov Blvd., 1164 Sofia, Bulgaria
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6
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Deng J, Tu S, Li L, Li G, Zhang Y. Diagnostic, predictive and prognostic molecular biomarkers in clear cell renal cell carcinoma: A retrospective study. Cancer Rep (Hoboken) 2024; 7:e2116. [PMID: 38837683 PMCID: PMC11150078 DOI: 10.1002/cnr2.2116] [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: 10/28/2023] [Revised: 02/05/2024] [Accepted: 05/14/2024] [Indexed: 06/07/2024] Open
Abstract
Clear cell renal cell carcinoma (ccRCC) is a common and aggressive subtype of kidney cancer. Many patients are diagnosed at advanced stages, making early detection crucial. Unfortunately, there are currently no noninvasive tests for ccRCC, emphasizing the need for new biomarkers. Additionally, ccRCC often develops resistance to treatments like radiotherapy and chemotherapy. Identifying biomarkers that predict treatment outcomes is vital for personalized care. The integration of artificial intelligence (AI), multi-omics analysis, and computational biology holds promise in bolstering detection precision and resilience, opening avenues for future investigations. The amalgamation of radiogenomics and biomaterial-basedimmunomodulation signifies a revolutionary breakthrough in diagnostic medicine. This review summarizes existing literature and highlights emerging biomarkers that enhance diagnostic, predictive, and prognostic capabilities for ccRCC, setting the stage for future clinical research.
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Affiliation(s)
- Jian Deng
- Department of OncologyHejiang Hospital of Traditional Chinese MedicineLuzhouPeople's Republic of China
- School of Basic Medical SciencesSouthwest Medical UniversityLuzhouPeople's Republic of China
| | - ShengYuan Tu
- School of Basic Medical SciencesSouthwest Medical UniversityLuzhouPeople's Republic of China
| | - Lin Li
- School of StomatologySouthwest Medical UniversityLuzhouPeople's Republic of China
| | - GangLi Li
- Department of OncologyHejiang Hospital of Traditional Chinese MedicineLuzhouPeople's Republic of China
| | - YinHui Zhang
- Department of PharmacyThe Affiliated Hospital of Southwest Medical UniversityLuzhouPeople's Republic of China
- Department of AnesthesiologyHospital (T.C.M) Affiliated to Southwest Medical UniversityLuzhouPeople's Republic of China
- Department of PharmacyHejiang Hospital of Traditional Chinese MedicineLuzhouPeople's Republic of China
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7
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Hagan CE, Snyder AG, Headley M, Oberst A. Apoptotic cells promote circulating tumor cell survival and metastasis. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.21.595217. [PMID: 38826267 PMCID: PMC11142129 DOI: 10.1101/2024.05.21.595217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2024]
Abstract
During tumor progression and especially following cytotoxic therapy, cell death of both tumor and stromal cells is widespread. Despite clinical observations that high levels of apoptotic cells correlate with poorer patient outcomes, the physiological effects of dying cells on tumor progression remain incompletely understood. Here, we report that circulating apoptotic cells robustly enhance tumor cell metastasis to the lungs. Using intravenous metastasis models, we observed that the presence of apoptotic cells, but not cells dying by other mechanisms, supports circulating tumor cell (CTC) survival following arrest in the lung vasculature. Apoptotic cells promote CTC survival by recruiting platelets to the forming metastatic niche. Apoptotic cells externalize the phospholipid phosphatidylserine to the outer leaflet of the plasma membrane, which we found increased the activity of the coagulation initiator Tissue Factor, thereby triggering the formation of platelet clots that protect proximal CTCs. Inhibiting the ability of apoptotic cells to induce coagulation by knocking out Tissue Factor, blocking phosphatidylserine, or administering the anticoagulant heparin abrogated the pro-metastatic effect of apoptotic cells. This work demonstrates a previously unappreciated role for apoptotic cells in facilitating metastasis by establishing CTC-supportive emboli, and suggests points of intervention that may reduce the pro-metastatic effect of apoptotic cells. GRAPHICAL ABSTRACT
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8
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Lou J, Ancajas CF, Zhou Y, Lane NS, Reynolds TB, Best MD. Probing Glycerolipid Metabolism using a Caged Clickable Glycerol-3-Phosphate Probe. Chembiochem 2024:e202300853. [PMID: 38705850 DOI: 10.1002/cbic.202300853] [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: 12/19/2023] [Revised: 04/25/2024] [Accepted: 05/05/2024] [Indexed: 05/07/2024]
Abstract
In this study, we present the probe SATE-G3P-N3 as a novel tool for metabolic labeling of glycerolipids (GLs) to investigate lipid metabolism in yeast cells. By introducing a clickable azide handle onto the glycerol backbone, this probe enables general labeling of glycerolipids. Additionally, this probe contains a caged phosphate moiety at the glycerol sn-3 position to not only facilitate probe uptake by masking negative charge but also to bypass the phosphorylation step crucial for initiating phospholipid synthesis, thereby enhancing phospholipid labeling. The metabolic labeling activity of the probe was thoroughly assessed through cellular fluorescence microscopy, mass spectrometry (MS), and thin-layer chromatography (TLC) experiments. Fluorescence microscopy analysis demonstrated successful incorporation of the probe into yeast cells, with labeling predominantly localized at the plasma membrane. LCMS analysis confirmed metabolic labeling of various phospholipid species (PC, PS, PA, PI, and PG) and neutral lipids (MAG, DAG, and TAG), and GL labeling was corroborated by TLC. These results showcased the potential of the SATE-G3P-N3 probe in studying GL metabolism, offering a versatile and valuable approach to explore the intricate dynamics of lipids in yeast cells.
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Affiliation(s)
- Jinchao Lou
- Department of Chemistry, University of Tennessee, Knoxville, 1420 Circle Drive, Knoxville, TN, 37996, USA
| | - Christelle F Ancajas
- Department of Chemistry, University of Tennessee, Knoxville, 1420 Circle Drive, Knoxville, TN, 37996, USA
| | - Yue Zhou
- Department of Microbiology, University of Tennessee, Knoxville, 1311 Cumberland Avenue, Knoxville, TN, 337996, USA
| | - Nicolas S Lane
- Department of Chemistry, University of Tennessee, Knoxville, 1420 Circle Drive, Knoxville, TN, 37996, USA
| | - Todd B Reynolds
- Department of Microbiology, University of Tennessee, Knoxville, 1311 Cumberland Avenue, Knoxville, TN, 337996, USA
| | - Michael D Best
- Department of Chemistry, University of Tennessee, Knoxville, 1420 Circle Drive, Knoxville, TN, 37996, USA
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9
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Xiao Y, Zhu Y, Chen J, Wu M, Wang L, Su L, Feng F, Hou Y. Overexpression of SYNGAP1 suppresses the proliferation of rectal adenocarcinoma via Wnt/β-Catenin signaling pathway. Discov Oncol 2024; 15:135. [PMID: 38679635 PMCID: PMC11056356 DOI: 10.1007/s12672-024-00997-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Accepted: 04/24/2024] [Indexed: 05/01/2024] Open
Abstract
Rectal adenocarcinoma (READ) is a common malignant tumor of the digestive tract. Growing studies have confirmed Ras GTPase-activating proteins are involved in the progression of several tumors. This study aimed to explore the expression and function of Ras GTPase-activating proteins in READ. In this study, we analyzed RNA sequencing data from 165 patients with READ and 789 normal tissue samples, identifying 5603 differentially expressed genes (DEGs), including 2937 upregulated genes and 2666 downregulated genes. Moreover, we also identified two dysregulated genes, RASA4 and SYNGAP1, among six Ras GTPase-activating proteins. High NF1 expression was associated with longer overall survival, while high SYNGAP1 expression showed a trend towards extended overall survival. Further analysis revealed the mutation frequency and copy number variations of Ras GTPase-activating proteins in various cancer samples. Additionally, DNA methylation analysis demonstrated a negative correlation between DNA methylation of Ras GTPase-activating proteins and their expression. Moreover, among Ras GTPase-activating proteins, we focused on SYNGAP1, and experimental validation confirmed that the overexpression of SYNGAP1 in READ significantly suppressed READ cell proliferation and increased apoptosis via regulating the Wnt/β-Catenin signaling pathway. These findings underscored the potential significance of SYNGAP1 in READ and provide new insights for further research and treatment.
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Affiliation(s)
- Yun Xiao
- Department of Oncology and Hematology, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China
| | - Ying Zhu
- Department of Oncology and Hematology, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China
| | - Jiaojiao Chen
- Department of Oncology and Hematology, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China
| | - Mei Wu
- Department of Oncology and Hematology, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China
| | - Lan Wang
- Department of Oncology and Hematology, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China
| | - Li Su
- Department of Oncology and Hematology, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China
| | - Fei Feng
- Department of Oncology and Hematology, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China.
| | - Yanli Hou
- Department of Oncology and Hematology, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, China.
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10
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Peña-Martín J, Belén García-Ortega M, Palacios-Ferrer JL, Díaz C, Ángel García M, Boulaiz H, Valdivia J, Jurado JM, Almazan-Fernandez FM, Arias Santiago S, Vicente F, Del Val C, Pérez Del Palacio J, Marchal JA. Identification of novel biomarkers in the early diagnosis of malignant melanoma by untargeted liquid chromatography coupled to high-resolution mass spectrometry-based metabolomics: a pilot study. Br J Dermatol 2024; 190:740-750. [PMID: 38214572 DOI: 10.1093/bjd/ljae013] [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: 12/14/2022] [Revised: 01/05/2024] [Accepted: 01/05/2024] [Indexed: 01/13/2024]
Abstract
BACKGROUND Malignant melanoma (MM) is a highly aggressive form of skin cancer whose incidence continues to rise worldwide. If diagnosed at an early stage, it has an excellent prognosis, but mortality increases significantly at advanced stages after distant spread. Unfortunately, early detection of aggressive melanoma remains a challenge. OBJECTIVES To identify novel blood-circulating biomarkers that may be useful in the diagnosis of MM to guide patient counselling and appropriate disease management. METHODS In this study, 105 serum samples from 26 healthy patients and 79 with MM were analysed using an untargeted approach by liquid chromatography coupled to high-resolution mass spectrometry (LC-HRMS) to compare the metabolomic profiles of both conditions. Resulting data were subjected to both univariate and multivariate statistical analysis to select robust biomarkers. The classification model obtained from this analysis was further validated with an independent cohort of 12 patients with stage I MM. RESULTS We successfully identified several lipidic metabolites differentially expressed in patients with stage I MM vs. healthy controls. Three of these metabolites were used to develop a classification model, which exhibited exceptional precision (0.92) and accuracy (0.94) when validated on an independent sample. CONCLUSIONS These results demonstrate that metabolomics using LC-HRMS is a powerful tool to identify and quantify metabolites in bodily fluids that could serve as potential early diagnostic markers for MM.
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Affiliation(s)
- Jesús Peña-Martín
- Biopathology and Regenerative Medicine Institute (IBIMER), Centre for Biomedical Research (CIBM)
- Department of Human Anatomy and Embryology, Faculty of Medicine
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
- Excellence Research Unit "Modeling Nature" (MNat)
| | - María Belén García-Ortega
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
- Excellence Research Unit "Modeling Nature" (MNat)
| | - José Luis Palacios-Ferrer
- Biopathology and Regenerative Medicine Institute (IBIMER), Centre for Biomedical Research (CIBM)
- Department of Human Anatomy and Embryology, Faculty of Medicine
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
- Excellence Research Unit "Modeling Nature" (MNat)
| | - Caridad Díaz
- Fundación MEDINA, Centro de Excelencia en Investigación de Medicamentos Innovadores en Andalucía. Parque Tecnológico Ciencias de la Salud, Granada, Spain
| | - María Ángel García
- Biopathology and Regenerative Medicine Institute (IBIMER), Centre for Biomedical Research (CIBM)
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
- Excellence Research Unit "Modeling Nature" (MNat)
- Department of Biochemistry 3 and Immunology, Faculty of Medicine
| | - Houria Boulaiz
- Biopathology and Regenerative Medicine Institute (IBIMER), Centre for Biomedical Research (CIBM)
- Department of Human Anatomy and Embryology, Faculty of Medicine
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
- Excellence Research Unit "Modeling Nature" (MNat)
| | - Javier Valdivia
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
- Department of Oncology
| | - José Miguel Jurado
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
- Department of Oncology
| | - Francisco M Almazan-Fernandez
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
- Department of Dermatology, San Cecilio University Hospital, Granada, Spain
| | - Salvador Arias Santiago
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
- Department of Dermatology, Virgen de las Nieves University Hospital, Granada, Spain
| | - Francisca Vicente
- Fundación MEDINA, Centro de Excelencia en Investigación de Medicamentos Innovadores en Andalucía. Parque Tecnológico Ciencias de la Salud, Granada, Spain
| | - Coral Del Val
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
- Department of Computer Science and Artificial Intelligence, Andalusian Research Institute in Data Science and Computational Intelligence (DaSCI), University of Granada, Granada, Spain
| | - José Pérez Del Palacio
- Fundación MEDINA, Centro de Excelencia en Investigación de Medicamentos Innovadores en Andalucía. Parque Tecnológico Ciencias de la Salud, Granada, Spain
| | - Juan Antonio Marchal
- Biopathology and Regenerative Medicine Institute (IBIMER), Centre for Biomedical Research (CIBM)
- Department of Human Anatomy and Embryology, Faculty of Medicine
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
- Excellence Research Unit "Modeling Nature" (MNat)
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11
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Delova A, Pasc A, Monari A. Interaction of the Immune System TIM-3 Protein with a Model Cellular Membrane Containing Phosphatidyl-Serine Lipids. Chemistry 2024; 30:e202304318. [PMID: 38345892 DOI: 10.1002/chem.202304318] [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] [Indexed: 02/29/2024]
Abstract
T cell transmembrane, Immunoglobulin, and Mucin (TIM) are important immune system proteins which are especially present in T-cells and regulated the immune system by sensing cell engulfment and apoptotic processes. Their role is exerted by the capacity to detect the presence of phosphatidyl-serine lipid polar head in the outer leaflet of cellular membranes (correlated with apoptosis). In this contribution by using equilibrium and enhanced sampling molecular dynamics simulation we unravel the molecular bases and the thermodynamics of TIM, and in particular TIM-3, interaction with phosphatidyl serine in a lipid bilayer. Since TIM-3 deregulation is an important factor of pro-oncogenic tumor micro-environment understanding its functioning at a molecular level may pave the way to the development of original immunotherapeutic approaches.
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Affiliation(s)
| | - Andreea Pasc
- Université de Lorraine and CNRS, UMR 7053L2CM, F-54000, Nancy, France
| | - Antonio Monari
- Université Paris Cité and CNRS, ITDODYS, F-75006, Paris, France
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12
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Choroba K, Machura B, Erfurt K, Casimiro AR, Cordeiro S, Baptista PV, Fernandes AR. Copper(II) Complexes with 2,2':6',2″-Terpyridine Derivatives Displaying Dimeric Dichloro-μ-Bridged Crystal Structure: Biological Activities from 2D and 3D Tumor Spheroids to In Vivo Models. J Med Chem 2024; 67:5813-5836. [PMID: 38518246 PMCID: PMC11017252 DOI: 10.1021/acs.jmedchem.4c00119] [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: 01/15/2024] [Revised: 03/07/2024] [Accepted: 03/13/2024] [Indexed: 03/24/2024]
Abstract
Eight 2,2':6',2″-terpyridines, substituted at the 4'-position with aromatic groups featuring variations in π-conjugation, ring size, heteroatoms, and methoxy groups, were employed to enhance the antiproliferative potential of [Cu2Cl2(R-terpy)2](PF6)2. Assessing the cytotoxicity in A2780 (ovarian carcinoma), HCT116 (colorectal carcinoma), and HCT116DoxR (colorectal carcinoma resistant to doxorubicin) and normal primary fibroblasts revealed that Cu(II) complexes with 4-quinolinyl, 4-methoxy-1-naphthyl, 2-furanyl, and 2-pyridynyl substituents showed superior therapeutic potential in HCT116DoxR cells with significantly reduced cytotoxicity in normal fibroblasts (42-129× lower). Besides their cytotoxicity, the Cu(II) complexes are able to increase intracellular ROS and interfere with cell cycle progression, leading to cell death by apoptosis and autophagy. Importantly, they demonstrated antimetastatic and antiangiogenic properties without in vivo toxicity. In accordance with their nuclear accumulation, the Cu(II) complexes are able to cleave pDNA and interact with bovine serum albumin, which is a good indication of their ability for internalization and transport toward tumor cells.
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Affiliation(s)
- Katarzyna Choroba
- Institute
of Chemistry, University of Silesia, Szkolna 9, 40-006 Katowice, Poland
| | - Barbara Machura
- Institute
of Chemistry, University of Silesia, Szkolna 9, 40-006 Katowice, Poland
| | - Karol Erfurt
- Department
of Chemical Organic Technology and Petrochemistry, Silesian University of Technology, Krzywoustego 4, 44-100 Gliwice, Poland
| | - Ana Rita Casimiro
- Associate
Laboratory i4HB-Institute for Health and Bioeconomy, NOVA School of
Science and Technology, NOVA University
Lisbon, 2819-516 Caparica, Portugal
- UCIBIO,
Departamento de Ciências da Vida, NOVA School of Science and Technology, Campus de Caparica, 2829-516 Caparica, Portugal
| | - Sandra Cordeiro
- Associate
Laboratory i4HB-Institute for Health and Bioeconomy, NOVA School of
Science and Technology, NOVA University
Lisbon, 2819-516 Caparica, Portugal
- UCIBIO,
Departamento de Ciências da Vida, NOVA School of Science and Technology, Campus de Caparica, 2829-516 Caparica, Portugal
| | - Pedro V. Baptista
- Associate
Laboratory i4HB-Institute for Health and Bioeconomy, NOVA School of
Science and Technology, NOVA University
Lisbon, 2819-516 Caparica, Portugal
- UCIBIO,
Departamento de Ciências da Vida, NOVA School of Science and Technology, Campus de Caparica, 2829-516 Caparica, Portugal
| | - Alexandra R. Fernandes
- Associate
Laboratory i4HB-Institute for Health and Bioeconomy, NOVA School of
Science and Technology, NOVA University
Lisbon, 2819-516 Caparica, Portugal
- UCIBIO,
Departamento de Ciências da Vida, NOVA School of Science and Technology, Campus de Caparica, 2829-516 Caparica, Portugal
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13
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Yang N, Zhang J, Guo J, Xiang Q, Huang Y, Wen J, Liu Q, Hu T, Chen Y, Rao C. Revealing the mechanism of Zanthoxylum armatum DC. extract-induced liver injury in mice based on lipidomics. JOURNAL OF ETHNOPHARMACOLOGY 2024; 319:117086. [PMID: 37634752 DOI: 10.1016/j.jep.2023.117086] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 08/19/2023] [Accepted: 08/23/2023] [Indexed: 08/29/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Zanthoxylum armatum DC. (Z. armatum) is an herbal medicine with various active ingredients and pharmacological effects. However, modern studies found that Z. armatum is hepatotoxic. The liver is the target organ for toxic effects and an important site for lipid metabolism. The effects of Z. armatum on lipid level and metabolism in the liver are still unclear. AIM OF THE STUDY This study aimed to analyze hepatic lipid levels, lipid metabolites and metabolic pathways of action of Z. armatum based on lipidomics, to investigate the potential hepatotoxic mechanism of Z. armatum. MATERIALS AND METHODS Different doses (62, 96, and 150 mg/kg) of the methanolic extract of Z. armatum (MZADC) were administered to ICR mice by gavage. The hepatotoxicity of MZADC was assessed by the liver index, serum biochemical measurements, and histopathological examination. Lipid levels measured by the serum lipid index were evaluated in the mice. Lipidomics was used to screen for differential lipid metabolism markers and lipid metabolism pathways in the liver. Western blot analysis was performed to investigate the effects of MZADC on the liver. RESULTS Liver index values and serum alanine transaminase and aspartate transaminase levels were increased in the MZADC group. Histopathology examination revealed hepatocyte necrosis, watery degeneration of the hepatocytes, and hepatic cord rupture in the livers of mice. Serum levels of low-density lipoprotein cholesterol, cholesterol, and triglycerides were elevated, and high-density lipoprotein cholesterol levels were decreased. Lipidomics screening for markers of differential lipid metabolism in the liver, and altered profiles of differential metabolites indicated that glycerophospholipid metabolism, linoleic acid metabolism, alpha-linolenic acid metabolism, glycosylphosphatidylinositol-anchored biosynthesis, sphingolipid metabolism and arachidonic acid metabolic pathways were significantly associated with MZADC-induced liver injury. Western blots confirmed that the protein expression of LC3, Beclin-1, ATG5, ATG12 and ATG16L1 was decreased, and p62 was increased in the MZADC group. The proportion of p-PI3K/PI3K and p-AKT/AKT was increased. CONCLUSIONS The liver injury induced by MZADC involved many different lipid metabolites and lipid metabolic pathways, which may be related to autophagy. This study provides a new perspective on the hepatotoxicity study of Z. armatum and provides a reference for the safe application of Z. armatum in the medicine and food fields.
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Affiliation(s)
- Nannan Yang
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, China
| | - Jian Zhang
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, China
| | - Jiafu Guo
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, China
| | - Qiwen Xiang
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, China
| | - Yan Huang
- Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, China
| | - Jiayu Wen
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, China
| | - Qiuyan Liu
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, China
| | - Tingting Hu
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, China
| | - Yan Chen
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, China; Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, China.
| | - Chaolong Rao
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, China; Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, China; R&D Center for Efficiency, Safety and Application in Chinese Materia Medica with Medical and Edible Values, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 611137, China.
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14
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Noubissi FK, Odubanjo OV, Ogle BM, Tchounwou PB. Mechanisms of Cell Fusion in Cancer. Results Probl Cell Differ 2024; 71:407-432. [PMID: 37996688 PMCID: PMC10893907 DOI: 10.1007/978-3-031-37936-9_19] [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] [Indexed: 11/25/2023]
Abstract
Cell-cell fusion is a normal physiological mechanism that requires a well-orchestrated regulation of intracellular and extracellular factors. Dysregulation of this process could lead to diseases such as osteoporosis, malformation of muscles, difficulties in pregnancy, and cancer. Extensive literature demonstrates that fusion occurs between cancer cells and other cell types to potentially promote cancer progression and metastasis. However, the mechanisms governing this process in cancer initiation, promotion, and progression are less well-studied. Fusogens involved in normal physiological processes such as syncytins and associated factors such as phosphatidylserine and annexins have been observed to be critical in cancer cell fusion as well. Some of the extracellular factors associated with cancer cell fusion include chronic inflammation and inflammatory cytokines, hypoxia, and viral infection. The interaction between these extracellular factors and cell's intrinsic factors potentially modulates actin dynamics to drive the fusion of cancer cells. In this review, we have discussed the different mechanisms that have been identified or postulated to drive cancer cell fusion.
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Affiliation(s)
- Felicite K Noubissi
- Department of Biology, Jackson State University, Jackson, MS, USA.
- Research Centers in Minority Institutions (RCMI), Center for Health Disparity Research (RCMI-CHDR), Jackson State University, Jackson, MS, USA.
| | - Oluwatoyin V Odubanjo
- Department of Biology, Jackson State University, Jackson, MS, USA
- Research Centers in Minority Institutions (RCMI), Center for Health Disparity Research (RCMI-CHDR), Jackson State University, Jackson, MS, USA
| | - Brenda M Ogle
- Department of Biomedical Engineering, University of Minnesota-Twin Cities, Minneapolis, MN, USA
- Department of Pediatrics, University of Minnesota-Twin Cities, Minneapolis, MN, USA
- Stem Cell Institute, University of Minnesota-Twin Cities, Minneapolis, MN, USA
| | - Paul B Tchounwou
- Department of Biology, Jackson State University, Jackson, MS, USA
- Research Centers in Minority Institutions (RCMI), Center for Health Disparity Research (RCMI-CHDR), Jackson State University, Jackson, MS, USA
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15
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Sieler M, Dittmar T. Cell Fusion and Syncytia Formation in Cancer. Results Probl Cell Differ 2024; 71:433-465. [PMID: 37996689 DOI: 10.1007/978-3-031-37936-9_20] [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] [Indexed: 11/25/2023]
Abstract
The natural phenomenon of cell-cell fusion does not only take place in physiological processes, such as placentation, myogenesis, or osteoclastogenesis, but also in pathophysiological processes, such as cancer. More than a century ago postulated, today the hypothesis that the fusion of cancer cells with normal cells leads to the formation of cancer hybrid cells with altered properties is in scientific consensus. Some studies that have investigated the mechanisms and conditions for the fusion of cancer cells with other cells, as well as studies that have characterized the resulting cancer hybrid cells, are presented in this review. Hypoxia and the cytokine TNFα, for example, have been found to promote cell fusion. In addition, it has been found that both the protein Syncytin-1, which normally plays a role in placentation, and phosphatidylserine signaling on the cell membrane are involved in the fusion of cancer cells with other cells. In human cancer, cancer hybrid cells were detected not only in the primary tumor, but also in the circulation of patients as so-called circulating hybrid cells, where they often correlated with a worse outcome. Although some data are available, the questions of how and especially why cancer cells fuse with other cells are still not fully answered.
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Affiliation(s)
- Mareike Sieler
- Institute of Immunology, Center for Biomedical Education and Research (ZBAF), University of Witten/Herdecke, Witten, Germany.
| | - Thomas Dittmar
- Institute of Immunology, Center for Biomedical Education and Research (ZBAF), University of Witten/Herdecke, Witten, Germany
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16
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Almeida ER, Goliatt PVZC, Dos Santos HF, Picaud F. Modeling the Cellular Uptake of Functionalized Carbon Nanohorns Loaded with Cisplatin through a Breast Cancer Cell Membrane. Mol Pharm 2024; 21:38-52. [PMID: 37646561 DOI: 10.1021/acs.molpharmaceut.3c00379] [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] [Indexed: 09/01/2023]
Abstract
The cisplatin encapsulation into carbon nanohorns (CNH) is a promising nanoformulation to circumvent the drug dissipation and to specifically accumulate it in tumor sites. Herein, biased molecular dynamics simulations were used to analyze the transmembrane transport of the CNH loaded with cisplatin through a breast cancer cell membrane prototype. The simulations revealed a four-stage mechanism: approach, insertion, permeation, and internalization. Despite the lowest structural disturbance of the membrane provided by the nanocarrier, the average free energy barrier for the translocation was 55.2 kcal mol-1, suggesting that the passive process is kinetically unfavorable. In contrast, the free energy profiles revealed potential wells of -6.8 kcal mol-1 along the insertion stage in the polar heads region of the membrane, which might enhance the retention of the drug in tumor sites; therefore, the most likely cisplatin delivery mechanism should involve the adsorption and retention of CNH on the surface of cancer cells, allowing the loaded cisplatin be slowly released and passively transported through the cell membrane.
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Affiliation(s)
- Eduardo R Almeida
- Núcleo de Estudos em Química Computacional (NEQC), Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Juiz de Fora (UFJF), Campus Universitário, Martelos, Juiz de Fora, Minas Gerais 36036-330, Brazil
- Laboratoire de Nanomédecine, Imagerie et Thérapeutiques, EA 4662, Centre Hospitalier Universitaire de Besançon, Université de Franche-Comté, 16 route de Gray, 25030 Besançon, Cedex, France
| | - Priscila V Z Capriles Goliatt
- Grupo de Modelagem Computacional Aplicada (GMCA), Programa de Pós-Graduação em Modelagem Computacional (PGMC), Departamento de Ciência da Computação, Instituto de Ciências Exatas, Universidade Federal de Juiz de Fora (UFJF), Campus Universitário, Martelos, Juiz de Fora, Minas Gerais 36036-330, Brazil
| | - Hélio F Dos Santos
- Núcleo de Estudos em Química Computacional (NEQC), Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Juiz de Fora (UFJF), Campus Universitário, Martelos, Juiz de Fora, Minas Gerais 36036-330, Brazil
| | - Fabien Picaud
- Laboratoire de Nanomédecine, Imagerie et Thérapeutiques, EA 4662, Centre Hospitalier Universitaire de Besançon, Université de Franche-Comté, 16 route de Gray, 25030 Besançon, Cedex, France
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17
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Li M, Gasanoff ES. Cationic Proteins Rich in Lysine Residue Trigger Formation of Non-bilayer Lipid Phases in Model and Biological Membranes: Biophysical Methods of Study. J Membr Biol 2023; 256:373-391. [PMID: 37735238 DOI: 10.1007/s00232-023-00292-y] [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: 06/17/2023] [Accepted: 09/05/2023] [Indexed: 09/23/2023]
Abstract
Cationic membrane-active toxins are the most abundant group of proteins in the venom of snakes and insects. Cationic proteins such as cobra venom cytotoxin and bee venom melittin are known for their pharmacological reactions including anticancer and antimicrobial effects which arise from the toxin-induced alteration in the dynamics and structure of plasma membranes and membranes of organelles. It has been established that these cationic toxins trigger the formation of non-bilayer lipid phase transitions in artificial and native mitochondrial membranes. Remarkably, the toxin-induced formation of non-bilayer lipid phase increases at certain conditions mitochondrial ATP synthase activity. This observation opens an intriguing avenue for using cationic toxins in the development of novel drugs for the treatment of cellular energy deficiency caused by aging and diseases. This observation also warrants a thorough investigation of the molecular mechanism(s) of lipid phase polymorphisms triggered by cationic proteins. This article presents a review on the application of powerful biophysical methods such as resonance spectroscopy (31P-, 1H-, 2H-nuclear magnetic resonance, and electron paramagnetic resonance), luminescence, and differential scanning microcalorimetry in studies of non-bilayer lipid phase transitions triggered by cationic proteins in artificial and biological membranes. A phenomenon of the triggered by cationic proteins the non-bilayer lipid phase transitions occurring within 10-2-10-11 s is discussed in the context of potential pharmacological applications of cationic proteins. Next to the ATP dimer is an inverted micelle made of cardiolipin that serves as a vehicle for the transport of H+ ions from the intra-crista space to the matrix. It is proposed that such inverted micelles are triggered by the high density of H+ ions and the cationic proteins rich in lysine residue which compete with the conserved lysine residues of the ATP synthase rotor for binding to cardiolipin in the inner mitochondrial membrane and perturb the bilayer lipid packing of cristae. Phospholipids with a blue polar head represent cardiolipin and those with a red polar head represent other phospholipids found in the crista membrane.
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Affiliation(s)
- Meiyi Li
- STEM Research Centre, Science Department, Chaoyang Kaiwen Academy, Beijing, 100018, China
| | - Edward S Gasanoff
- STEM Research Centre, Science Department, Chaoyang Kaiwen Academy, Beijing, 100018, China.
- Belozersky Institute of Physico-Chemical Biology, M.V. Lomonosov Moscow State University, Moscow, 119991, Russia.
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18
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Zou T, Liu JY, Qin Q, Guo J, Zhou WZ, Li XP, Zhou HH, Chen J, Liu ZQ. Role of rs873601 Polymorphisms in Prognosis of Lung Cancer Patients Treated with Platinum-Based Chemotherapy. Biomedicines 2023; 11:3133. [PMID: 38137354 PMCID: PMC10741124 DOI: 10.3390/biomedicines11123133] [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: 10/11/2023] [Revised: 11/15/2023] [Accepted: 11/22/2023] [Indexed: 12/24/2023] Open
Abstract
BACKGROUND Lung cancer is still the most lethal malignancy in the world, according to the report of Cancer Statistics in 2021. Platinum-based chemotherapy combined with immunotherapy is the first-line treatment in lung cancer patients. However, the 5-year survival rate is always affected by the adverse reactions and drug resistance caused by platinum-based chemotherapy. DNA damage and repair system is one of the important mechanisms that can affect the response to chemotherapy and clinical outcomes in lung cancer patients. OBJECTIVE The objective of this study is to find the relationship between the polymorphisms of DNA repair genes with the prognosis of platinum-based chemotherapy in lung cancer patients. PATIENTS AND METHODS We performed genotyping in 17 single nucleotide polymorphisms (SNPs) of Excision Repair Cross-Complementation group (ERCC) genes and X-ray Repair Cross-Complementing (XRCC) genes of 345 lung cancer patients via Sequenom MassARRAY. We used Cox proportional hazard models, state, and plink to analyze the associations between SNPs and the prognosis of lung cancer patients. RESULTS We found that the ERCC5 rs873601 was associated with the overall survival time in lung cancer patients treated with platinum-based chemotherapy (p = 0.031). There were some polymorphisms that were related to the prognosis in specific subgroups of lung cancer. Rs873601 showed a great influence on the prognosis of patients more than 55 years, Small Cell Lung Cancer (SCLC), and smoking patients. Rs2444933 was associated with prognosis in age less than 55 years, SCLC, metastasis, and stage III/IV/ED patients. Rs3740051 played an important role in the prognosis of SCLC and metastasis patients. Rs1869641 was involved in the prognosis of SCLC patients. Rs1051685 was related to the prognosis in non-metastasis patients. CONCLUSION The ERCC5 rs873601 (G>A) was a valuable biomarker for predicting the prognosis in lung cancer patients treated with platinum-based chemotherapy.
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Affiliation(s)
- Ting Zou
- Department of Pharmacy, National Institution of Drug Clinical Trial, Xiangya Hospital, Central South University, Changsha 410008, China; (T.Z.); (Q.Q.); (J.G.); (W.-Z.Z.); (X.-P.L.)
- Department of Clinical Pharmacology, Hunan Key Laboratory of Pharmacogenetics, Xiangya Hospital, Central South University, Changsha 410078, China;
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, China
- International Science and Technology Innovation Cooperation Base for Early Clinical Trials of Biological Agents in Hunan Province, Changsha 410008, China
| | - Jun-Yan Liu
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha 410008, China;
| | - Qun Qin
- Department of Pharmacy, National Institution of Drug Clinical Trial, Xiangya Hospital, Central South University, Changsha 410008, China; (T.Z.); (Q.Q.); (J.G.); (W.-Z.Z.); (X.-P.L.)
- International Science and Technology Innovation Cooperation Base for Early Clinical Trials of Biological Agents in Hunan Province, Changsha 410008, China
| | - Jie Guo
- Department of Pharmacy, National Institution of Drug Clinical Trial, Xiangya Hospital, Central South University, Changsha 410008, China; (T.Z.); (Q.Q.); (J.G.); (W.-Z.Z.); (X.-P.L.)
- International Science and Technology Innovation Cooperation Base for Early Clinical Trials of Biological Agents in Hunan Province, Changsha 410008, China
| | - Wen-Zhi Zhou
- Department of Pharmacy, National Institution of Drug Clinical Trial, Xiangya Hospital, Central South University, Changsha 410008, China; (T.Z.); (Q.Q.); (J.G.); (W.-Z.Z.); (X.-P.L.)
- International Science and Technology Innovation Cooperation Base for Early Clinical Trials of Biological Agents in Hunan Province, Changsha 410008, China
| | - Xiang-Ping Li
- Department of Pharmacy, National Institution of Drug Clinical Trial, Xiangya Hospital, Central South University, Changsha 410008, China; (T.Z.); (Q.Q.); (J.G.); (W.-Z.Z.); (X.-P.L.)
| | - Hong-Hao Zhou
- Department of Clinical Pharmacology, Hunan Key Laboratory of Pharmacogenetics, Xiangya Hospital, Central South University, Changsha 410078, China;
| | - Juan Chen
- Department of Pharmacy, National Institution of Drug Clinical Trial, Xiangya Hospital, Central South University, Changsha 410008, China; (T.Z.); (Q.Q.); (J.G.); (W.-Z.Z.); (X.-P.L.)
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Zhao-Qian Liu
- Department of Clinical Pharmacology, Hunan Key Laboratory of Pharmacogenetics, Xiangya Hospital, Central South University, Changsha 410078, China;
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, China
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Zhang SW, Wang H, Ding XH, Xiao YL, Shao ZM, You C, Gu YJ, Jiang YZ. Bidirectional crosstalk between therapeutic cancer vaccines and the tumor microenvironment: Beyond tumor antigens. FUNDAMENTAL RESEARCH 2023; 3:1005-1024. [PMID: 38933006 PMCID: PMC11197801 DOI: 10.1016/j.fmre.2022.03.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 03/13/2022] [Accepted: 03/20/2022] [Indexed: 11/20/2022] Open
Abstract
Immunotherapy has rejuvenated cancer therapy, especially after anti-PD-(L)1 came onto the scene. Among the many therapeutic options, therapeutic cancer vaccines are one of the most essential players. Although great progress has been made in research on tumor antigen vaccines, few phase III trials have shown clinical benefits. One of the reasons lies in obstruction from the tumor microenvironment (TME). Meanwhile, the therapeutic cancer vaccine reshapes the TME in an ambivalent way, leading to immune stimulation or immune escape. In this review, we summarize recent progress on the interaction between therapeutic cancer vaccines and the TME. With respect to vaccine resistance, innate immunosuppressive TME components and acquired resistance caused by vaccination are both involved. Understanding the underlying mechanism of this crosstalk provides insight into the treatment of cancer by directly targeting the TME or synergizing with other therapeutics.
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Affiliation(s)
- Si-Wei Zhang
- Key Laboratory of Breast Cancer in Shanghai, Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Han Wang
- Key Laboratory of Breast Cancer in Shanghai, Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, China
| | - Xiao-Hong Ding
- Key Laboratory of Breast Cancer in Shanghai, Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Yu-Ling Xiao
- Key Laboratory of Breast Cancer in Shanghai, Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
| | - Zhi-Ming Shao
- Key Laboratory of Breast Cancer in Shanghai, Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, China
| | - Chao You
- Department of Radiology, Fudan University Shanghai Cancer Center, 270 Dong'an Road, Shanghai 200032, China
| | - Ya-Jia Gu
- Department of Radiology, Fudan University Shanghai Cancer Center, 270 Dong'an Road, Shanghai 200032, China
| | - Yi-Zhou Jiang
- Key Laboratory of Breast Cancer in Shanghai, Department of Breast Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China
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20
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Zhou G, Qin G, Zhang Z, Zhao H, Xue L. Identification of tryptophan metabolism- and immune-related genes signature and prediction of immune infiltration landscape in bladder urothelial carcinoma. Front Immunol 2023; 14:1283792. [PMID: 37954600 PMCID: PMC10637370 DOI: 10.3389/fimmu.2023.1283792] [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: 08/27/2023] [Accepted: 10/12/2023] [Indexed: 11/14/2023] Open
Abstract
Introduction Tryptophan metabolism is indirectly involved in immune tolerance and promotes response to anticancer drugs. However, the mechanisms underlying tryptophan metabolism and immune landscape in bladder urothelial carcinoma (BLCA) are not fully understood. Methods A BLCA dataset containing 406 tumor samples with clinical survival information and 19 normal samples were obtained from the Cancer Genome Atlas database. The validation set, GSE32894, contained 223 BLCA tumor samples with survival information, and the single-cell dataset, GSE135337, included seven BLCA tumor samples; both were obtained from the gene expression omnibus database. Univariate and multivariate Cox regression analyses were conducted to evaluate clinical parameters and risk scores. Immune infiltration and checkpoint analyses were performed to explore the immune landscape of BLCA. Single-cell analysis was conducted to further identify the roles of model genes in BLCA. Finally, NAMPT expression in BLCA and adjacent tissues was detected using RT-qPCR, CCK-8 and Transwell assays were conducted to determine the role of NAMPT in BLCA cells. Results Six crossover genes (TDO2, ACAT1, IDO1, KMO, KYNU, and NAMPT) were identified by overlap analysis of tryptophan metabolism-related genes, immune-related genes, and differentially expressed genes (DEGs). Three biomarkers, NAMPT, IDO1, and ACAT1, were identified using Cox regression analysis. Accordingly, a tryptophan metabolism- and immune-related gene risk model was constructed, and the patients were divided into high- and low-risk groups. There were significant differences in the clinical parameters, prognosis, immune infiltration, and immunotherapy response between the risk groups. RT-qPCR revealed that NAMPT was upregulated in BLCA samples. Knocking down NAMPT significantly inhibited BLCA cell proliferation, migration, and invasion. Discussion In our study, we constructed a tryptophan metabolism- and immune-related gene risk model based on three biomarkers, namely NAMPT, IDO1, and ACAT1, that were significantly associated with the progression and immune landscape of BLCA. The risk model could effectively predict patient prognosis and immunotherapy response and can guide individualized immunotherapy.
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Affiliation(s)
- Guanwen Zhou
- Department of Urology, Qilu Hospital of Shandong University, Jinan, China
| | - Guoliang Qin
- Department of Urology, Qilu Hospital of Shandong University, Jinan, China
| | - Zhaocun Zhang
- Department of Urology, Qilu Hospital of Shandong University, Jinan, China
| | - Haifeng Zhao
- Department of Urology, Qilu Hospital of Shandong University, Jinan, China
| | - Linlin Xue
- Department of Clinical Laboratory, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
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Cui Z, Zou F, Wang R, Wang L, Cheng F, Wang L, Pan R, Guan X, Zheng N, Wang W. Integrative bioinformatics analysis of WDHD1: a potential biomarker for pan-cancer prognosis, diagnosis, and immunotherapy. World J Surg Oncol 2023; 21:309. [PMID: 37759234 PMCID: PMC10523704 DOI: 10.1186/s12957-023-03187-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Accepted: 09/17/2023] [Indexed: 09/29/2023] Open
Abstract
BACKGROUND Although WD repeat and high-mobility group box DNA binding protein 1 (WDHD1) played an essential role in DNA replication, chromosome stability, and DNA damage repair, the panoramic picture of WDHD1 in human tumors remains unclear. Hence, this study aims to comprehensively characterize WDHD1 across 33 human cancers. METHODS Based on publicly available databases such as TCGA, GTEx, and HPA, we used a bioinformatics approach to systematically explore the genomic features and biological functions of WDHD1 in pan-cancer. RESULTS WDHD1 mRNA levels were significantly increased in more than 20 types of tumor tissues. Elevated WDHD1 expression was associated with significantly shorter overall survival (OS) in 10 tumors. Furthermore, in uterine corpus endometrial carcinoma (UCEC) and liver hepatocellular carcinoma (LIHC), WDHD1 expression was significantly associated with higher histological grades and pathological stages. In addition, WDHD1 had a high diagnostic value among 16 tumors (area under the ROC curve [AUC] > 0.9). Functional enrichment analyses suggested that WDHD1 probably participated in many oncogenic pathways such as E2F and MYC targets (false discovery rate [FDR] < 0.05), and it was involved in the processes of DNA replication and DNA damage repair (p.adjust < 0.05). WDHD1 expression also correlated with the half-maximal inhibitory concentrations (IC50) of rapamycin (4 out of 10 cancers) and paclitaxel (10 out of 10 cancers). Overall, WDHD1 was negatively associated with immune cell infiltration and might promote tumor immune escape. Our analysis of genomic alterations suggested that WDHD1 was altered in 1.5% of pan-cancer cohorts and the "mutation" was the predominant type of alteration. Finally, through correlation analysis, we found that WDHD1 might be closely associated with tumor heterogeneity, tumor stemness, mismatch repair (MMR), and RNA methylation modification, which were all processes associated with the tumor progression. CONCLUSIONS Our pan-cancer analysis of WDHD1 provides valuable insights into the genomic characterization and biological functions of WDHD1 in human cancers and offers some theoretical support for the future use of WDHD1-targeted therapies, immunotherapies, and chemotherapeutic combinations for the management of tumors.
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Affiliation(s)
- Zhiwei Cui
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Fan Zou
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Rongli Wang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Lijun Wang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Feiyan Cheng
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Lihui Wang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Rumeng Pan
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Xin Guan
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Nini Zheng
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Wei Wang
- Department of Anesthesiology, The First Affiliated Hospital of Xi'an Jiaotong University, No. 277, Yanta West Road, Xi'an, 710061, Shaanxi, China.
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Cseh K, Berasaluce I, Fuchs V, Banc A, Schweikert A, Prado-Roller A, Hejl M, Wernitznig D, Koellensperger G, Jakupec MA, Kandioller W, Malarek MS, Keppler BK. Anticancer Tungstenocenes with a Diverse Set of ( O,O-), ( O, S-) and ( O, N-) Chelates-A Detailed Biological Study Using an Improved Evaluation via 3D Spheroid Models. Pharmaceutics 2023; 15:1875. [PMID: 37514061 PMCID: PMC10384408 DOI: 10.3390/pharmaceutics15071875] [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: 04/10/2023] [Revised: 06/15/2023] [Accepted: 06/25/2023] [Indexed: 07/30/2023] Open
Abstract
The synthesis, characterization and biological activity of tungstenocenes with varying biologically active (O,O-), (S,O-) and (N,O-) chelates are described. Complexes were characterized by 1H and 13C NMR, elemental analysis, ESI-mass spectrometry, FT-IR spectroscopy and X-ray diffraction analysis. The aqueous stability was studied by UV/Vis spectroscopy and the WIV to WV process by cyclic voltammetry. The cytotoxicity was determined by the MTT assay in A549, CH1/PA-1 and SW480 cancer cells as well as in IMR-90 human fibroblasts. Extensive biological evaluation was performed in three other human cancer cell lines (HCT116, HT29 and MCF-7) in monolayer and multicellular tumor spheroid cultures to better understand the mode of action. Lead compounds showed promising in vitro anticancer activity in all cancer cell lines. Further studies yielded important insights into apoptosis induction, ROS generation, different patterns in metal distribution (detected by LA-ICP-TOF-MS), changes in KI67 (proliferation marker) expression and DNA interactions. The results based on qualitative and quantitative research designs show that complexes containing (S,O-) chelates are more active than their (O,O-) and (N,O-) counterparts. The most striking results in spheroid models are the high antiproliferative capacity and the different distribution pattern of two complexes differing only in a W-S or W-O bond.
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Affiliation(s)
- Klaudia Cseh
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Straße 42, A 1090 Vienna, Austria
| | - Iker Berasaluce
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Straße 42, A 1090 Vienna, Austria
| | - Valentin Fuchs
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Straße 42, A 1090 Vienna, Austria
| | - Alexandra Banc
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Straße 42, A 1090 Vienna, Austria
| | - Andreas Schweikert
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Straße 42, A 1090 Vienna, Austria
- Institute of Analytical Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Straße 38, A 1090 Vienna, Austria
| | - Alexander Prado-Roller
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Straße 42, A 1090 Vienna, Austria
| | - Michaela Hejl
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Straße 42, A 1090 Vienna, Austria
| | - Debora Wernitznig
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Straße 42, A 1090 Vienna, Austria
| | - Gunda Koellensperger
- Institute of Analytical Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Straße 38, A 1090 Vienna, Austria
| | - Michael A Jakupec
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Straße 42, A 1090 Vienna, Austria
- Research Cluster "Translational Cancer Therapy Research", University of Vienna, Waehringer Straße 42, A 1090 Vienna, Austria
| | - Wolfgang Kandioller
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Straße 42, A 1090 Vienna, Austria
- Research Cluster "Translational Cancer Therapy Research", University of Vienna, Waehringer Straße 42, A 1090 Vienna, Austria
| | - Michael S Malarek
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Straße 42, A 1090 Vienna, Austria
| | - Bernhard K Keppler
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Straße 42, A 1090 Vienna, Austria
- Research Cluster "Translational Cancer Therapy Research", University of Vienna, Waehringer Straße 42, A 1090 Vienna, Austria
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23
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Anari M, Montgomery MK. Phospholipid metabolism in the liver - Implications for phosphatidylserine in non-alcoholic fatty liver disease. Biochem Pharmacol 2023; 213:115621. [PMID: 37217141 DOI: 10.1016/j.bcp.2023.115621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 05/13/2023] [Accepted: 05/16/2023] [Indexed: 05/24/2023]
Abstract
Mammalian cells contain more than a thousand different glycerophospholipid species that are essential membrane components and signalling molecules, with phosphatidylserine (PS) giving membranes their negative surface charge. Depending on the tissue, PS is important in apoptosis, blood clotting, cancer pathogenesis, as well as muscle and brain function, processes that are dependent on the asymmetrical distribution of PS on the plasma membrane and/or the capacity of PS to act as anchorage for various signalling proteins. Recent studies have implicated hepatic PS in the progression of non-alcoholic fatty liver disease (NAFLD), either as beneficial in the context of suppressing hepatic steatosis and fibrosis, or on the other hand as a potential contributor to the progression of liver cancer. This review provides an extensive overview of hepatic phospholipid metabolism, including its biosynthetic pathways, intracellular trafficking and roles in health and disease, further taking a deeper dive into PS metabolism, including associate and causative evidence of the role of PS in advanced liver disease.
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Affiliation(s)
- Marziyeh Anari
- Department of Anatomy and Physiology, School of Biomedical Sciences, Faculty of Medicine Dentistry and Health Sciences, University of Melbourne, Melbourne, VIC 3010, Australia
| | - Magdalene K Montgomery
- Department of Anatomy and Physiology, School of Biomedical Sciences, Faculty of Medicine Dentistry and Health Sciences, University of Melbourne, Melbourne, VIC 3010, Australia.
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24
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Hao Y, Zhou X, Li Y, Li B, Cheng L. The CD47-SIRPα axis is a promising target for cancer immunotherapies. Int Immunopharmacol 2023; 120:110255. [PMID: 37187126 DOI: 10.1016/j.intimp.2023.110255] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 04/22/2023] [Accepted: 04/27/2023] [Indexed: 05/17/2023]
Abstract
Cluster of differentiation 47(CD47) is a transmembrane protein that is ubiquitously found on the surface of many cells in the body and uniquely overexpressed by both solid and hematologic malignant cells. CD47 interacts with signal-regulatory protein α (SIRPα), to trigger a "don't eat me" signal and thereby achieve cancer immune escape by inhibiting macrophage-mediated phagocytosis. Thus, blocking the CD47-SIRPα phagocytosis checkpoint, for release of the innate immune system, is a current research focus. Indeed, targeting the CD47-SIRPα axis as a cancer immunotherapy has shown promising efficacies in pre-clinical outcomes. Here, we first reviewed the origin, structure, and function of the CD47-SIRPα axis. Then, we reviewed its role as a target for cancer immunotherapies, as well as the factors regulating CD47-SIRPα axis-based immunotherapies. We specifically focused on the mechanism and progress of CD47-SIRPα axis-based immunotherapies and their combination with other treatment strategies. Finally, we discussed the challenges and directions for future research and identified potential CD47-SIRPα axis-based therapies that are suitable for clinical application.
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Affiliation(s)
- Yu Hao
- State Key Laboratory of Oral Diseases & West China Hospital of Stomatology & National Clinical Research Center for Oral Diseases, Sichuan University, Chengdu 610041, China; Department of Operative Dentistry and Endodontics, West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - Xinxuan Zhou
- State Key Laboratory of Oral Diseases & West China Hospital of Stomatology & National Clinical Research Center for Oral Diseases, Sichuan University, Chengdu 610041, China
| | - Yiling Li
- State Key Laboratory of Oral Diseases & West China Hospital of Stomatology & National Clinical Research Center for Oral Diseases, Sichuan University, Chengdu 610041, China; Department of Operative Dentistry and Endodontics, West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - Bolei Li
- State Key Laboratory of Oral Diseases & West China Hospital of Stomatology & National Clinical Research Center for Oral Diseases, Sichuan University, Chengdu 610041, China; Department of Operative Dentistry and Endodontics, West China School of Stomatology, Sichuan University, Chengdu 610041, China.
| | - Lei Cheng
- State Key Laboratory of Oral Diseases & West China Hospital of Stomatology & National Clinical Research Center for Oral Diseases, Sichuan University, Chengdu 610041, China; Department of Operative Dentistry and Endodontics, West China School of Stomatology, Sichuan University, Chengdu 610041, China.
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25
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Li SY, Guo YL, Tian JW, Zhang HJ, Li RF, Gong P, Yu ZL. Anti-Tumor Strategies by Harnessing the Phagocytosis of Macrophages. Cancers (Basel) 2023; 15:2717. [PMID: 37345054 DOI: 10.3390/cancers15102717] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Revised: 05/07/2023] [Accepted: 05/09/2023] [Indexed: 06/23/2023] Open
Abstract
Macrophages are essential for the human body in both physiological and pathological conditions, engulfing undesirable substances and participating in several processes, such as organism growth, immune regulation, and maintenance of homeostasis. Macrophages play an important role in anti-bacterial and anti-tumoral responses. Aberrance in the phagocytosis of macrophages may lead to the development of several diseases, including tumors. Tumor cells can evade the phagocytosis of macrophages, and "educate" macrophages to become pro-tumoral, resulting in the reduced phagocytosis of macrophages. Hence, harnessing the phagocytosis of macrophages is an important approach to bolster the efficacy of anti-tumor treatment. In this review, we elucidated the underlying phagocytosis mechanisms, such as the equilibrium among phagocytic signals, receptors and their respective signaling pathways, macrophage activation, as well as mitochondrial fission. We also reviewed the recent progress in the area of application strategies on the basis of the phagocytosis mechanism, including strategies targeting the phagocytic signals, antibody-dependent cellular phagocytosis (ADCP), and macrophage activators. We also covered recent studies of Chimeric Antigen Receptor Macrophage (CAR-M)-based anti-tumor therapy. Furthermore, we summarized the shortcomings and future applications of each strategy and look into their prospects with the hope of providing future research directions for developing the application of macrophage phagocytosis-promoting therapy.
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Affiliation(s)
- Si-Yuan Li
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan 430079, China
| | - Yong-Lin Guo
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan 430079, China
| | - Jia-Wen Tian
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan 430079, China
| | - He-Jing Zhang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan 430079, China
| | - Rui-Fang Li
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan 430079, China
| | - Ping Gong
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan 430079, China
- Department of Anesthesiology, School and Hospital of Stomatology, Wuhan University, Wuhan 430079, China
| | - Zi-Li Yu
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan 430079, China
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Wuhan University, Wuhan 430079, China
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Kapteijn MY, Zwaan S, Ter Linden E, Laghmani EH, van den Akker RFP, Rondon AMR, van der Zanden SY, Neefjes J, Versteeg HH, Buijs JT. Temozolomide and Lomustine Induce Tissue Factor Expression and Procoagulant Activity in Glioblastoma Cells In Vitro. Cancers (Basel) 2023; 15:cancers15082347. [PMID: 37190275 DOI: 10.3390/cancers15082347] [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: 03/12/2023] [Revised: 04/12/2023] [Accepted: 04/14/2023] [Indexed: 05/17/2023] Open
Abstract
Glioblastoma (GBM) patients have one of the highest risks of venous thromboembolism (VTE), which is even further increased upon treatment with chemotherapy. Tissue factor (TF) is the initiator of the extrinsic coagulation pathway and expressed by GBM cells. In this study, we aimed to examine the effect of routinely used chemotherapeutic agents Temozolomide (TMZ) and Lomustine (LOM) on TF procoagulant activity and expression in GBM cells in vitro. Three human GBM cell lines (U-251, U-87, U-118) were exposed to 100 µM TMZ or 30 µM LOM for 72 h. TF procoagulant activity was assessed via an FXa generation assay and TF gene and protein expression through qPCR and Western blotting. The externalization of phosphatidylserine (PS) was studied using Annexin V flow cytometry. Treatment with TMZ and LOM resulted in increased procoagulant activity in all cell lines. Furthermore, both agents induced procoagulant activity in the supernatant and tumor-cell-secreted extracellular vesicles. In line, TF gene and protein expression were increased upon TMZ and LOM treatment. Additionally, PS externalization and induction of inflammatory-associated genes were observed. Overall, the chemotherapeutic modalities TMZ and LOM induced procoagulant activity and increased TF gene and protein expression in all GBM cell lines tested, which may contribute to the increased VTE risk observed in GBM patients undergoing chemotherapy.
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Affiliation(s)
- Maaike Y Kapteijn
- Einthoven Laboratory for Vascular and Regenerative Medicine, Division of Thrombosis & Hemostasis, Department of Internal Medicine, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
| | - Shanna Zwaan
- Einthoven Laboratory for Vascular and Regenerative Medicine, Division of Thrombosis & Hemostasis, Department of Internal Medicine, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
| | - Esther Ter Linden
- Department of Cell and Chemical Biology, ONCODE Institute, Leiden University Medical Center, 2333 ZC Leiden, The Netherlands
| | - El Houari Laghmani
- Einthoven Laboratory for Vascular and Regenerative Medicine, Division of Thrombosis & Hemostasis, Department of Internal Medicine, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
| | - Rob F P van den Akker
- Einthoven Laboratory for Vascular and Regenerative Medicine, Division of Thrombosis & Hemostasis, Department of Internal Medicine, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
| | - Araci M R Rondon
- Einthoven Laboratory for Vascular and Regenerative Medicine, Division of Thrombosis & Hemostasis, Department of Internal Medicine, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
| | - Sabina Y van der Zanden
- Department of Cell and Chemical Biology, ONCODE Institute, Leiden University Medical Center, 2333 ZC Leiden, The Netherlands
| | - Jacques Neefjes
- Department of Cell and Chemical Biology, ONCODE Institute, Leiden University Medical Center, 2333 ZC Leiden, The Netherlands
| | - Henri H Versteeg
- Einthoven Laboratory for Vascular and Regenerative Medicine, Division of Thrombosis & Hemostasis, Department of Internal Medicine, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
| | - Jeroen T Buijs
- Einthoven Laboratory for Vascular and Regenerative Medicine, Division of Thrombosis & Hemostasis, Department of Internal Medicine, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
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Liu S, Sun Q, Ren X. Novel strategies for cancer immunotherapy: counter-immunoediting therapy. J Hematol Oncol 2023; 16:38. [PMID: 37055849 PMCID: PMC10099030 DOI: 10.1186/s13045-023-01430-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 03/21/2023] [Indexed: 04/15/2023] Open
Abstract
The advent of immunotherapy has made an indelible mark on the field of cancer therapy, especially the application of immune checkpoint inhibitors in clinical practice. Although immunotherapy has proven its efficacy and safety in some tumors, many patients still have innate or acquired resistance to immunotherapy. The emergence of this phenomenon is closely related to the highly heterogeneous immune microenvironment formed by tumor cells after undergoing cancer immunoediting. The process of cancer immunoediting refers to the cooperative interaction between tumor cells and the immune system that involves three phases: elimination, equilibrium, and escape. During these phases, conflicting interactions between the immune system and tumor cells result in the formation of a complex immune microenvironment, which contributes to the acquisition of different levels of immunotherapy resistance in tumor cells. In this review, we summarize the characteristics of different phases of cancer immunoediting and the corresponding therapeutic tools, and we propose normalized therapeutic strategies based on immunophenotyping. The process of cancer immunoediting is retrograded through targeted interventions in different phases of cancer immunoediting, making immunotherapy in the context of precision therapy the most promising therapy to cure cancer.
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Affiliation(s)
- Shaochuan Liu
- Department of Immunology, Tianjin Medical University Cancer Institute and Hospital, 300060, Tianjin, China
- Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer, 300060, Tianjin, China
- Key Laboratory of Cancer Immunology and Biotherapy, 300060, Tianjin, China
- Key Laboratory of Cancer Prevention and Therapy, 300060, Tianjin, China
- Tianjin's Clinical Research Center for Cancer, 300060, Tianjin, China
- Department of Biotherapy, Tianjin Medical University Cancer Institute and Hospital, 300060, Tianjin, China
| | - Qian Sun
- Department of Immunology, Tianjin Medical University Cancer Institute and Hospital, 300060, Tianjin, China.
- Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer, 300060, Tianjin, China.
- Key Laboratory of Cancer Immunology and Biotherapy, 300060, Tianjin, China.
- Key Laboratory of Cancer Prevention and Therapy, 300060, Tianjin, China.
- Tianjin's Clinical Research Center for Cancer, 300060, Tianjin, China.
- Department of Biotherapy, Tianjin Medical University Cancer Institute and Hospital, 300060, Tianjin, China.
| | - Xiubao Ren
- Department of Immunology, Tianjin Medical University Cancer Institute and Hospital, 300060, Tianjin, China.
- Tianjin Medical University Cancer Institute & Hospital, National Clinical Research Center for Cancer, 300060, Tianjin, China.
- Key Laboratory of Cancer Immunology and Biotherapy, 300060, Tianjin, China.
- Key Laboratory of Cancer Prevention and Therapy, 300060, Tianjin, China.
- Tianjin's Clinical Research Center for Cancer, 300060, Tianjin, China.
- Department of Biotherapy, Tianjin Medical University Cancer Institute and Hospital, 300060, Tianjin, China.
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Role of Defensins in Tumor Biology. Int J Mol Sci 2023; 24:ijms24065268. [PMID: 36982340 PMCID: PMC10049535 DOI: 10.3390/ijms24065268] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/02/2023] [Accepted: 03/04/2023] [Indexed: 03/12/2023] Open
Abstract
Defensins have long been considered as merely antimicrobial peptides. Throughout the years, more immune-related functions have been discovered for both the α-defensin and β-defensin subfamily. This review provides insights into the role of defensins in tumor immunity. Since defensins are present and differentially expressed in certain cancer types, researchers started to unravel their role in the tumor microenvironment. The human neutrophil peptides have been demonstrated to be directly oncolytic by permealizing the cell membrane. Further, defensins can inflict DNA damage and induce apoptosis of tumor cells. In the tumor microenvironment, defensins can act as chemoattractants for subsets of immune cells, such as T cells, immature dendritic cells, monocytes and mast cells. Additionally, by activating the targeted leukocytes, defensins generate pro-inflammatory signals. Moreover, immuno-adjuvant effects have been reported in a variety of models. Therefore, the action of defensins reaches beyond their direct antimicrobial effect, i.e., the lysis of microbes invading the mucosal surfaces. By causing an increase in pro-inflammatory signaling events, cell lysis (generating antigens) and attraction and activation of antigen presenting cells, defensins could have a relevant role in activating the adaptive immune system and generating anti-tumor immunity, and could thus contribute to the success of immune therapy.
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29
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Zhou S, Zhao W, Hu J, Mao C, Zhou M. Application of Nanotechnology in Thrombus Therapy. Adv Healthc Mater 2023; 12:e2202578. [PMID: 36507827 DOI: 10.1002/adhm.202202578] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 11/26/2022] [Indexed: 12/14/2022]
Abstract
A thrombus is a blood clot that forms in the lumen of an artery or vein, restricting blood flow and causing clinical symptoms. Thrombosis is associated with many life-threatening cardiovascular diseases. However, current clinical therapeutic technologies still have many problems in targeting, enrichment, penetration, and safety to meet the thrombosis treatment needs. Therefore, researchers devote themselves to developing nanosystems loaded with antithrombotic drugs to address this paradox in recent years. Herein, the existing thrombosis treatment technologies are first reviewed; and then, their advantages and disadvantages are outlined based on a brief discussion of thrombosis's definition and formation mechanism. Furthermore, the need and application cases for introducing nanotechnology are discussed, focusing on thrombus-specific targeted ligand modification technology and microenvironment-triggered responsive drug release technology. Then, nanomaterials that can be used to design antithrombotic nanotherapeutic systems are summarized. Moreover, a variety of drug delivery technologies driven by nanomotors in thrombosis therapy is also introduced. Last of all, a prospective discussion on the future development of nanotechnology for thrombosis therapy is highlighted.
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Affiliation(s)
- Shuyin Zhou
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, China.,Department of Vascular Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, 210008, China
| | - Wenbo Zhao
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, China
| | - Jinglei Hu
- Kuang Yaming Honors School, Nanjing University, Nanjing, 210023, China
| | - Chun Mao
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, China
| | - Min Zhou
- Department of Vascular Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, 210008, China
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30
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Wu L, Huang X, Ouyang Q, Liu W, Liu S, Huang Y, Peng Y, Ning D, Tan C. Serum metabolomics study for acute attack of chronic pancreatitis. Clin Chim Acta 2023; 541:117251. [PMID: 36775008 DOI: 10.1016/j.cca.2023.117251] [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: 12/30/2022] [Revised: 02/02/2023] [Accepted: 02/07/2023] [Indexed: 02/12/2023]
Abstract
BACKGROUND & AIMS Chronic pancreatitis (CP) is an inflammatory disease characterized by irreversible changes. However, acute CP attacks can lead to various complications and affect patient prognosis. Therefore, this study aimed to identify reliable candidate metabolic biomarkers for diagnosing acute CP attacks and complement candidate diagnostic markers for CP. METHODS A total of 139 serum specimens were prospectively included in three consecutive exploratory, identification, and validation studies. All samples were analyzed for candidate diagnostic biomarkers and metabolic pathways using a liquid chromatography-mass spectrometer. RESULTS Serum metabolic profiles differed between patients with CP and non-pancreatic disease controls, and 239 potential metabolic biomarkers for diagnosing CP were identified. Based on identification and validation studies, Diacylglycerol(16:0/18:4), 16-F1-PhytoP, N-(hexacosanoyl)-tetradecasphing-4-enine, carnosic acid, and Auxin b were identified as biomarkers for distinguishing acute attacks from non-acute attacks in patients with CP. The area under the curve of the Diacylglycerol(16:0/18:4) was 0.969 (95% confidence interval, 0.869-1) in the validation study. CONCLUSIONS To the best of our knowledge, this is the first prospective cohort study to identify and validate a metabolomic signature in serum for diagnosing acute attacks of CP. In addition, our study identified 239 potential biomarkers for CP diagnosis.
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Affiliation(s)
- Ling Wu
- Department of Clinical Laboratory, The First Affiliated Hospital of Hunan Normal University (Hunan Provincial People's Hospital), Changsha, Hunan, China
| | - Xiangping Huang
- Department of Clinical Laboratory, The First Affiliated Hospital of Hunan Normal University (Hunan Provincial People's Hospital), Changsha, Hunan, China
| | - Qianhui Ouyang
- Department of Clinical Laboratory, The First Affiliated Hospital of Hunan Normal University (Hunan Provincial People's Hospital), Changsha, Hunan, China
| | - Wen Liu
- Department of Pharmacy, The First Affiliated Hospital of Hunan Normal University (Hunan Provincial People's Hospital), Changsha, Hunan, China
| | - Sixiang Liu
- Department of Emergency, The First Affiliated Hospital of Hunan Normal University (Hunan Provincial People's Hospital), Changsha, Hunan, China
| | - Ying Huang
- Department of Emergency, The First Affiliated Hospital of Hunan Normal University (Hunan Provincial People's Hospital), Changsha, Hunan, China
| | - Ya Peng
- Department of Gastroenterology, The First Affiliated Hospital of Hunan Normal University (Hunan Provincial People's Hospital), Changsha, Hunan, China
| | - Ding Ning
- Department of Emergency Medical, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, Hunan, China
| | - Chaochao Tan
- Department of Clinical Laboratory, The First Affiliated Hospital of Hunan Normal University (Hunan Provincial People's Hospital), Changsha, Hunan, China.
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31
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Martinho N, Marquês JMT, Todoriko I, Prieto M, de Almeida RF, Silva LC. Effect of Cisplatin and Its Cationic Analogues in the Phase Behavior and Permeability of Model Lipid Bilayers. Mol Pharm 2023; 20:918-928. [PMID: 36700695 PMCID: PMC9906771 DOI: 10.1021/acs.molpharmaceut.2c00321] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Increasing evidence suggests a critical role of lipids in both the mechanisms of toxicity and resistance of cells to platinum(II) complexes. In particular, cisplatin and other analogues were reported to interact with lipids and transiently promote lipid phase changes both in the bulk membranes and in specific membrane domains. However, these processes are complex and not fully understood. In this work, cisplatin and its cationic species formed at pH 7.4 in low chloride concentrations were tested for their ability to induce phase changes in model membranes with different lipid compositions. Fluorescent probes that partition to different lipid phases were used to report on the fluidity of the membrane, and a leakage assay was performed to evaluate the effect of cisplatin in the permeability of these vesicles. The results showed that platinum(II) complex effects on membrane fluidity depend on membrane lipid composition and properties, promoting a stronger decrease in the fluidity of membranes containing gel phase. Moreover, at high concentration, these complexes were prone to alter the permeability of lipid membranes without inducing their collapse or aggregation.
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Affiliation(s)
- Nuno Martinho
- Research
Institute for Medicines (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, 1649-003Lisboa, Portugal,iBB—Institute
for Bioengineering and Biosciences and Department of Bioengineering,
Instituto Superior Técnico, Universidade
de Lisboa, Av. Rovisco Pais, 1649-003Lisboa, Portugal,Associate
Laboratory i4HB—Institute for Health and Bioeconomy at Instituto
Superior Técnico, Universidade de
Lisboa, Av. Rovisco Pais, 1649-003Lisboa, Portugal
| | - Joaquim M. T. Marquês
- Centro
de Química Estrutural, Institute of Molecular Sciences, Departamento
de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1649-003Lisboa, Portugal
| | - Iryna Todoriko
- Centro
de Química Estrutural, Institute of Molecular Sciences, Departamento
de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1649-003Lisboa, Portugal
| | - Manuel Prieto
- iBB—Institute
for Bioengineering and Biosciences and Department of Bioengineering,
Instituto Superior Técnico, Universidade
de Lisboa, Av. Rovisco Pais, 1649-003Lisboa, Portugal,Associate
Laboratory i4HB—Institute for Health and Bioeconomy at Instituto
Superior Técnico, Universidade de
Lisboa, Av. Rovisco Pais, 1649-003Lisboa, Portugal
| | - Rodrigo F.M. de Almeida
- Centro
de Química Estrutural, Institute of Molecular Sciences, Departamento
de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1649-003Lisboa, Portugal
| | - Liana C. Silva
- Research
Institute for Medicines (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, 1649-003Lisboa, Portugal,
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32
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Tripathi AK, Vishwanatha JK. Role of Anti-Cancer Peptides as Immunomodulatory Agents: Potential and Design Strategy. Pharmaceutics 2022; 14:pharmaceutics14122686. [PMID: 36559179 PMCID: PMC9781574 DOI: 10.3390/pharmaceutics14122686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 11/27/2022] [Accepted: 11/30/2022] [Indexed: 12/05/2022] Open
Abstract
The usage of peptide-based drugs to combat cancer is gaining significance in the pharmaceutical industry. The collateral damage caused to normal cells due to the use of chemotherapy, radiotherapy, etc. has given an impetus to the search for alternative methods of cancer treatment. For a long time, antimicrobial peptides (AMPs) have been shown to display anticancer activity. However, the immunomodulatory activity of anti-cancer peptides has not been researched very extensively. The interconnection of cancer and immune responses is well-known. Hence, a search and design of molecules that can show anti-cancer and immunomodulatory activity can be lead molecules in this field. A large number of anti-cancer peptides show good immunomodulatory activity by inhibiting the pro-inflammatory responses that assist cancer progression. Here, we thoroughly review both the naturally occurring and synthetic anti-cancer peptides that are reported to possess both anti-cancer and immunomodulatory activity. We also assess the structural and biophysical parameters that can be utilized to improve the activity. Both activities are mostly reported by different groups, however, we discuss them together to highlight their interconnection, which can be used in the future to design peptide drugs in the field of cancer therapeutics.
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33
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Yan X, Zhang X, Wu HH, Wu SJ, Tang XY, Liu TZ, Li S. Novel T-cell signature based on cell pair algorithm predicts survival and immunotherapy response for patients with bladder urothelial carcinoma. Front Immunol 2022; 13:994594. [PMID: 36466869 PMCID: PMC9712189 DOI: 10.3389/fimmu.2022.994594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 10/31/2022] [Indexed: 11/18/2022] Open
Abstract
BackgroundT-cell–T-cell interactions play important roles in the regulation of T-cells’ cytotoxic function, further impacting the anti-tumor efficacy of immunotherapy. There is a lack of comprehensive studies of T-cell types in bladder urothelial carcinoma (BLCA) and T-cell-related signatures for predicting prognosis and monitoring immunotherapy efficacy.MethodsMore than 3,400 BLCA patients were collected and used in the present study. The ssGSEA algorithm was applied to calculate the infiltration level of 19 T-cell types. A cell pair algorithm was applied to construct a T-cell-related prognostic index (TCRPI). Survival analysis was performed to measure the survival difference across TCRPI-risk groups. Spearman’s correlation analysis was used for relevance assessment. The Wilcox test was used to measure the expression level difference.ResultsNineteen T-cell types were collected; 171 T-cell pairs (TCPs) were established, of which 26 were picked out by the least absolute shrinkage and selection operator (LASSO) analysis. Based on these TCPs, the TCRPI was constructed and validated to play crucial roles in survival stratification and the dynamic monitoring of immunotherapy effects. We also explored several candidate drugs targeting TCRPI. A composite TCRPI and clinical prognostic index (CTCPI) was then constructed, which achieved a more accurate estimation of BLCA’s survival and was therefore a better choice for prognosis prediction in BLCA.ConclusionsAll in all, we constructed and validated TCRPI based on cell pair algorithms in this study, which might put forward some new insights to increase the survival estimation and clinical response to immune therapy for individual BLCA patients and contribute to the personalized precision immunotherapy strategy of BLCA.
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Affiliation(s)
- Xin Yan
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Xiao Zhang
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Hua-Hui Wu
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Shao-Jie Wu
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Xiao-Yu Tang
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Tong-Zu Liu
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
- *Correspondence: Tong-Zu Liu, ; Sheng Li,
| | - Sheng Li
- Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Department of Biological Repositories, Cancer Precision Diagnosis and Treatment and Translational Medicine Hubei Engineering Research Center, Zhongnan Hospital of Wuhan University, Wuhan, China
- *Correspondence: Tong-Zu Liu, ; Sheng Li,
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Chang W, Luo Q, Wu X, Nan Y, Zhao P, Zhang L, Luo A, Jiao W, Zhu Q, Fu Y, Liu Z. OTUB2 exerts tumor-suppressive roles via STAT1-mediated CALML3 activation and increased phosphatidylserine synthesis. Cell Rep 2022; 41:111561. [DOI: 10.1016/j.celrep.2022.111561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 01/17/2022] [Accepted: 10/04/2022] [Indexed: 12/09/2022] Open
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35
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Lo CF, Chiu TY, Liu YT, Pan PY, Liu KL, Hsu CY, Fang MY, Huang YC, Yeh TK, Hsu TA, Chen CT, Huang LR, Tsou LK. Targeting the Phosphatidylserine-Immune Checkpoint with a Small-Molecule Maytansinoid Conjugate. J Med Chem 2022; 65:12802-12824. [PMID: 36153998 PMCID: PMC9574934 DOI: 10.1021/acs.jmedchem.2c00631] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
![]()
Ligand-targeting drug delivery systems have made significant
strides
for disease treatments with numerous clinical approvals in this era
of precision medicine. Herein, we report a class of small molecule-based
immune checkpoint-targeting maytansinoid conjugates. From the ligand
targeting ability, pharmacokinetics profiling, in vivo anti-pancreatic cancer, triple-negative breast cancer, and sorafenib-resistant
liver cancer efficacies with quantitative mRNA analysis of treated-tumor
tissues, we demonstrated that conjugate 40a not only
induced lasting regression of tumor growth, but it also rejuvenated
the once immunosuppressive tumor microenvironment to an “inflamed
hot tumor” with significant elevation of gene expressions that
were not accessible in the vehicle-treated tumor. In turn, the immune
checkpoint-targeting small molecule drug conjugate from this work
represents a new pharmacodelivery strategy that can be expanded with
combination therapy with existing immune-oncology treatment options.
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Affiliation(s)
- Chen-Fu Lo
- Institute of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Miaoli35053, Taiwan, ROC
| | - Tai-Yu Chiu
- Institute of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Miaoli35053, Taiwan, ROC
| | - Yu-Tzu Liu
- Institute of Molecular and Genomic Medicine, National Health Research Institutes, Miaoli35053, Taiwan, ROC
| | - Pei-Yun Pan
- Institute of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Miaoli35053, Taiwan, ROC
| | - Kuan-Liang Liu
- Institute of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Miaoli35053, Taiwan, ROC
| | - Chia-Yu Hsu
- Institute of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Miaoli35053, Taiwan, ROC
| | - Ming-Yu Fang
- Institute of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Miaoli35053, Taiwan, ROC
| | - Yu-Chen Huang
- Institute of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Miaoli35053, Taiwan, ROC
| | - Teng-Kuang Yeh
- Institute of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Miaoli35053, Taiwan, ROC
| | - Tsu-An Hsu
- Institute of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Miaoli35053, Taiwan, ROC
| | - Chiung-Tong Chen
- Institute of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Miaoli35053, Taiwan, ROC
| | - Li-Rung Huang
- Institute of Molecular and Genomic Medicine, National Health Research Institutes, Miaoli35053, Taiwan, ROC
| | - Lun Kelvin Tsou
- Institute of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Miaoli35053, Taiwan, ROC
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36
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Sun X, Huang X, Sun X, Chen S, Zhang Z, Yu Y, Zhang P. Oxidative Stress-Related lncRNAs Are Potential Biomarkers for Predicting Prognosis and Immune Responses in Patients With LUAD. Front Genet 2022; 13:909797. [PMID: 35754800 PMCID: PMC9214656 DOI: 10.3389/fgene.2022.909797] [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: 03/31/2022] [Accepted: 05/04/2022] [Indexed: 12/24/2022] Open
Abstract
Lung adenocarcinoma is increasingly harmful to society and individuals as cancer with an inferior prognosis and insensitive to chemotherapy. Previous studies have demonstrated that oxidative stress and lncRNAs play a vital role in many biological processes. Therefore, we explored the role of lncRNAs associated with oxidative stress in the prognosis and survival of LUAD patients. We examined the expression profiles of lncRNAs and oxidative stress genes in this study. A prognosis prediction model and a nomogram were built based on oxidative stress-related lncRNAs. Functional and drug sensitivity analyses were also performed depending on oxidative stress-related lncRNA signature. Moreover, we investigated the relationship between immune response and immunotherapy. The results showed that a risk scoring model based on 16 critical oxidative stress lncRNAs was able to distinguish the clinical status of LUAD and better predict the prognosis and survival. Additionally, the model demonstrated a close correlation with the tumor immune system, and these key lncRNAs also revealed the relationship between LUAD and chemotherapeutic drug sensitivity. Our work aims to provide new perspectives and new ideas for the treatment and management of LUAD.
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Affiliation(s)
- Xinti Sun
- Department of Thoracic Surgery, Tianjin Medical University General Hospital, Tianjin, China
| | - Xingqi Huang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
| | - Xiaojuan Sun
- Department of Oncology, Qingdao University Affiliated Hospital, Qingdao, China
| | - Si Chen
- Department of Thoracic Surgery, Tianjin Medical University General Hospital, Tianjin, China
| | - Zeyang Zhang
- Department of Thoracic Surgery, Tianjin Medical University General Hospital, Tianjin, China
| | - Yao Yu
- Department of Thoracic Surgery, Tianjin Medical University General Hospital, Tianjin, China
| | - Peng Zhang
- Department of Thoracic Surgery, Tianjin Medical University General Hospital, Tianjin, China
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Synthesis and Evaluation of Small Molecule Drug Conjugates Harnessing Thioester-Linked Maytansinoids. Pharmaceutics 2022; 14:pharmaceutics14071316. [PMID: 35890212 PMCID: PMC9323955 DOI: 10.3390/pharmaceutics14071316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 06/11/2022] [Accepted: 06/13/2022] [Indexed: 12/04/2022] Open
Abstract
Ligand-targeting drug conjugates are a class of clinically validated biopharmaceutical drugs constructed by conjugating cytotoxic drugs with specific disease antigen targeting ligands through appropriate linkers. The integrated linker-drug motif embedded within such a system can prevent the premature release during systemic circulation, thereby allowing the targeting ligand to engage with the disease antigen and selective accumulation. We have designed and synthesized new thioester-linked maytansinoid conjugates. By performing in vitro cytotoxicity, targeting ligand binding assay, and in vivo pharmacokinetic studies, we investigated the utility of this new linker-drug moiety in the small molecule drug conjugate (SMDC) system. In particular, we conjugated the thioester-linked maytansinoids to the phosphatidylserine-targeting small molecule zinc dipicolylamine and showed that Zn8_DM1 induced tumor regression in the HCC1806 triple-negative breast cancer xenograft model. Moreover, in a spontaneous sorafenib-resistant liver cancer model, Zn8_DM1 exhibited potent antitumor growth efficacy. From quantitative mRNA analysis of Zn8_DM1 treated-tumor tissues, we observed the elevation of gene expressions associated with a “hot inflamed tumor” state. With the identification and validation of a plethora of cancer-associated antigens in the “omics” era, this work provided the insight that antibody- or small molecule-based targeting ligands can be conjugated similarly to generate new ligand-targeting drug conjugates.
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Kraemer MM, Tsimpaki T, Berchner-Pfannschmidt U, Bechrakis NE, Seitz B, Fiorentzis M. Calcium Electroporation Reduces Viability and Proliferation Capacity of Four Uveal Melanoma Cell Lines in 2D and 3D Cultures. Cancers (Basel) 2022; 14:cancers14122889. [PMID: 35740554 PMCID: PMC9221408 DOI: 10.3390/cancers14122889] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 06/06/2022] [Accepted: 06/09/2022] [Indexed: 12/07/2022] Open
Abstract
Simple Summary Calcium electroporation (CaEP) is an innovative anti-tumor treatment modality that induces cell death by introducing supraphysiological concentrations of calcium into cells with a limited effect on normal cells. The objective of the present study is to assess the effect of CaEP in uveal melanoma (UM) cell lines in comparison to electrochemotherapy (ECT) with bleomycin using 2D monolayer cell cultures as well as 3D tumor spheroid models in four different UM cell lines. The morphological changes of the spheroids, the cell viability, growth rate as well as the cytotoxic effect of electroporation (EP) with calcium chloride and bleomycin were evaluated with various drug concentrations. The results of CaEP and ECT both suggest a comparable dose-dependent reduction in cell viability and proliferation rate in all tested 2D cell lines and 3D tumor spheroids. These data point out that CaEP is an established anticancer treatment causing cell death by ATP depletion in in vitro and in vivo, representing an efficient alternative therapy with a lower cytotoxic potency for the local UM tumor control. Abstract Electrochemotherapy (ECT) is the combination of transient pore formation following electric pulse application with the administration of cytotoxic drugs, which enhances the cytotoxic effect of the applied agent due to membrane changes and permeabilization. Although EP represents an established therapeutic option for solid malignancies, recent advances shift to the investigation of non-cytotoxic agents, such as calcium, which can also induce cell death. The present study aims to evaluate the cytotoxic effect, the morphological changes in tumor spheroids, the effect on the cell viability, and the cell-specific growth rate following calcium electroporation (CaEP) in uveal melanoma (UM) 2D monolayer cell cultures as well as in 3D tumor spheroid models. The experiments were conducted in four cell lines, UM92.1, Mel270, and two primary UM cell lines, UPMD2 and UPMM3 (UPM). The 2D and 3D UM cell cultures were electroporated with eight rectangular pulses (100 µs pulse duration, 5 Hz repetition frequency) of a 1000 V/cm pulse strength alone or in combination with 0.11 mg/mL, 0.28 mg/mL, 0.55 mg/mL or 1.11 mg/mL calcium chloride or 1.0 µg/mL or 2.5 µg/mL bleomycin. The application of calcium chloride alone induced an ATP reduction only in the UM92.1 2D cell cultures. Calcium alone had no significant effect on ATP levels in all four UM spheroids. A significant decrease in the intracellular adenosine triphosphate (ATP) level was documented in all four 2D and 3D cell cultures for both CaEP as well as ECT with bleomycin. The results suggest a dose-dependent ATP depletion with a wide range of sensitivity among the tested UM cell lines, control groups, and the applied settings in both 2D monolayer cell cultures and 3D tumor spheroid models. The colony formation capacity of the cell lines after two weeks reduced significantly after CaEP only with 0.5 mg/mL and 1.1 mg/mL, whereas the same effect could be achieved with both applied bleomycin concentrations, 1.0 µg/mL and 2.5 µg/mL, for the ECT group. The specific growth rate on day 7 following CaEP was significantly reduced in UM92.1 cell lines with 0.5 and 1.1 mg/mL calcium chloride, while Mel270 showed a similar effect only after administration of 1.1 mg/mL. UM92.1 and Mel270 spheroids exhibited lower adhesion and density after CaEP on day three in comparison to UPM spheroids showing detachment after day 7 following treatment. CaEP and bleomycin electroporation significantly reduce cell viability at similar applied voltage settings. CaEP may be a feasible and inexpensive therapeutic option for the local tumor control with fewer side effects, in comparison to other chemotherapeutic agents, for the treatment of uveal melanoma. The limited effect on normal cells and the surrounding tissue has already been investigated, but further research is necessary to clarify the effect on the surrounding tissue and to facilitate its application in a clinical setting for the eye.
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Affiliation(s)
- Miriam M. Kraemer
- Department of Ophthalmology, University Hospital Essen, University of Duisburg-Essen, Hufeland Str. 55, 45147 Essen, Germany; (M.M.K.); (T.T.); (U.B.-P.); (N.E.B.)
| | - Theodora Tsimpaki
- Department of Ophthalmology, University Hospital Essen, University of Duisburg-Essen, Hufeland Str. 55, 45147 Essen, Germany; (M.M.K.); (T.T.); (U.B.-P.); (N.E.B.)
| | - Utta Berchner-Pfannschmidt
- Department of Ophthalmology, University Hospital Essen, University of Duisburg-Essen, Hufeland Str. 55, 45147 Essen, Germany; (M.M.K.); (T.T.); (U.B.-P.); (N.E.B.)
| | - Nikolaos E. Bechrakis
- Department of Ophthalmology, University Hospital Essen, University of Duisburg-Essen, Hufeland Str. 55, 45147 Essen, Germany; (M.M.K.); (T.T.); (U.B.-P.); (N.E.B.)
| | - Berthold Seitz
- Department of Ophthalmology, Saarland University Medical Center, Kirrberger Str. 100, 66421 Homburg, Germany;
| | - Miltiadis Fiorentzis
- Department of Ophthalmology, University Hospital Essen, University of Duisburg-Essen, Hufeland Str. 55, 45147 Essen, Germany; (M.M.K.); (T.T.); (U.B.-P.); (N.E.B.)
- Correspondence: ; Tel.: +49-723-2900
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Kogan EA, Meerovich GA, Karshieva SS, Makarova EA, Romanishkin ID, Akhlyustina EV, Meerovich IG, Zharkov NV, Demura TA, Chen ZL, Koudan EV, Angelov IP, Loschenov VB. On the mechanisms of photodynamic action of photosensitizers based on polycationic derivatives of synthetic bacteriochlorin against human lung cancer cells A549 (in vitro study). Photodiagnosis Photodyn Ther 2022; 39:102955. [PMID: 35690323 DOI: 10.1016/j.pdpdt.2022.102955] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 05/20/2022] [Accepted: 06/07/2022] [Indexed: 11/16/2022]
Abstract
BACKGROUND One of the tasks of anticancer photodynamic therapy is increasing the efficacy of treatment of cancer nodes with large (clinically relevant) sizes using near-infrared photosensitizers (PS). We study the photodynamic action against A549 human lung cancer cells using PS based on polycationic derivatives of synthetic bacteriochlorin. METHODS The efficacy and mechanisms of the photodynamic action of PS based on polycationic derivatives of synthetic bacteriochlorin against A549 lung cancer cells were studied in vitro using immunocytochemical and morphological methods. RESULTS It was found that PS based on tetracationic and octacationic derivatives of synthetic bacteriochlorin induce necrosis, apoptosis, decreasing of proliferative and mitotic activity, as well as reducing the number of ALDH1-positive cancer cells with signs of stem cells in A549 human lung cancer cell culture. The IC50 values (concentration of a PS that reduces cells survival by 50%) were about 0.69 μM for tetracationic PS and 0.57 μM for octacationic PS under irradiation at 30 J/cm2 while in the "dark" control they were higher than 100 μM for both PSs. CONCLUSIONS Photosensitizers based on polycationic derivatives of synthetic bacteriochlorin have high phototoxicity against A549 cancer cells caused by the induction of necrosis and apoptosis of cancer cells, including cells with signs of stemness, and a sharp decrease of mitotic and proliferative activity.
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Affiliation(s)
- Evgeniya A Kogan
- I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow 119992, Russia
| | - Gennady A Meerovich
- Prokhorov General Physics Institute of the Russian Academy of Sciences, Moscow 119991, Russia; National Research Nuclear University "MEPhI", Moscow 115409, Russia
| | - Saida Sh Karshieva
- N.N. Blokhin National Medical Research Center of Oncology, Moscow 115478, Russia; 3D Bioprinting Solutions Ltd., Moscow 115409, Russia
| | | | - Igor D Romanishkin
- Prokhorov General Physics Institute of the Russian Academy of Sciences, Moscow 119991, Russia
| | | | - Irina G Meerovich
- A.N. Bach Institute of Biochemistry, Research Center of Biotechnology of the Russian Academy of Sciences, Moscow 119071, Russia
| | - Nikolai V Zharkov
- I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow 119992, Russia
| | - Tatiana A Demura
- I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow 119992, Russia
| | - Zhi-Long Chen
- Donghua University, Shanghai 200051, China; Huadong Hospital at Fudan University, Shanghai 200031, China
| | | | - Ivan P Angelov
- Institute of Electronics of the Bulgarian Academy of Sciences, Sofia 1784, Bulgaria; Institute of Organic Chemistry with Centre of Phytochemistry of the Bulgarian Academy of Sciences, Sofia 1113, Bulgaria.
| | - Victor B Loschenov
- Prokhorov General Physics Institute of the Russian Academy of Sciences, Moscow 119991, Russia; National Research Nuclear University "MEPhI", Moscow 115409, Russia
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3,4,5-Trimethoxybenzoate of Catechin, an Anticarcinogenic Semisynthetic Catechin, Modulates the Physical Properties of Anionic Phospholipid Membranes. Molecules 2022; 27:molecules27092910. [PMID: 35566261 PMCID: PMC9105813 DOI: 10.3390/molecules27092910] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 04/27/2022] [Accepted: 04/30/2022] [Indexed: 11/21/2022] Open
Abstract
3,4,5-Trimethoxybenzoate of catechin (TMBC) is a semisynthetic catechin which shows strong antiproliferative activity against malignant melanoma cells. The amphiphilic nature of the molecule suggests that the membrane could be a potential site of action, hence the study of its interaction with lipid bilayers is mandatory in order to gain information on the effect of the catechin on the membrane properties and dynamics. Anionic phospholipids, though being minor components of the membrane, possess singular physical and biochemical properties that make them physiologically essential. Utilizing phosphatidylserine biomimetic membranes, we study the interaction between the catechin and anionic bilayers, bringing together a variety of experimental techniques and molecular dynamics simulation. The experimental data suggest that the molecule is embedded into the phosphatidylserine bilayers, where it perturbs the thermotropic gel to liquid crystalline phase transition. In the gel phase, the catechin promotes the formation of interdigitation, and in the liquid crystalline phase, it decreases the bilayer thickness and increases the hydrogen bonding pattern of the interfacial region of the bilayer. The simulation data agree with the experimental ones and indicate that the molecule is located in the interior of the anionic bilayer as monomer and small clusters reaching the carbonyl region of the phospholipid, where it also disturbs the intermolecular hydrogen bonding between neighboring lipids. Our observations suggest that the catechin incorporates well into phosphatidylserine bilayers, where it produces structural changes that could affect the functioning of the membrane.
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Mechanism of RNA circHIPK3 Involved in Resistance of Lung Cancer Cells to Gefitinib. BIOMED RESEARCH INTERNATIONAL 2022; 2022:4541918. [PMID: 35496045 PMCID: PMC9042616 DOI: 10.1155/2022/4541918] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 02/14/2022] [Accepted: 02/19/2022] [Indexed: 01/03/2023]
Abstract
To study the mechanism of circular ribonucleic acid (RNA) circHIPK3 involved in the resistance of lung cancer cells to gefitinib, 110 patients with lung cancer were recruited as the research objects, and the tumor tissue and para-cancerous tissue of each patient's surgical specimens were collected and paraffinized to detect the expression of circHIPK3 in different tissues. Gefitinib drug-resistant cell line of lung cancer was constructed with gefitinib to detect cell apoptosis under different conditions. As a result, the relative expression of circHIPK3 in patients with tumor diameter no less than 3 cm was dramatically inferior to that in patients with tumor diameter less than 3 cm (P < 0.05). The relative expression of circHIPK3 in patients with TNM stage II/III was dramatically inferior to that in patients with tumor, node, and metastasis (TNM) stage I (P < 0.05). Expression of circHIPK3 in patients with lymph node metastasis was dramatically inferior to that in patients without lymph node metastasis (P < 0.05). Of the lung cancer tissues of patients with different TNM stages, only six patients had high expression, and the remaining 104 patients had low expression. Moreover, electrophoresis revealed that circHIPK3 can only be amplified in cDNA, but not in gDNA. Gefitinib-mediated apoptosis rate of lung cancer drug-resistant cell lines decreased notably. In summary, the circular RNA circHIPK3 may have a notably low expression in lung cancer tissues, whose low expression had a certain enhancement effect on the drug resistance of lung adenocarcinoma cells to gefitinib.
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Naumowicz M, Kusaczuk M, Zając M, Jabłońska-Trypuć A, Mikłosz A, Gál M, Worobiczuk M, Kotyńska J. The influence of the pH on the incorporation of caffeic acid into biomimetic membranes and cancer cells. Sci Rep 2022; 12:3692. [PMID: 35256690 PMCID: PMC8901767 DOI: 10.1038/s41598-022-07700-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 02/23/2022] [Indexed: 12/29/2022] Open
Abstract
Caffeic acid (CA) is a phenolic compound synthesized by all plant species. It constitutes the main hydroxycinnamic acid found in human diet and presents a variety of beneficial effects including anticancer activity. Current data suggests essential role of the interplay between anticancer drugs and the cell membrane. Given this, biophysical interactions between CA and cancer cells or biomimetic membranes were investigated. Glioblastoma cell line U118MG and colorectal adenocarcinoma cell line DLD-1, as well as lipid bilayers and liposomes, were used as in vitro models. Electrophoretic light scattering was used to assess the effect of CA on the surface charge of cancer cells and liposomal membranes. Electrochemical impedance spectroscopy was chosen to evaluate CA-dependent modulatory effect on the electrical capacitance and electrical resistance of the bilayers. Our results suggest that CA fulfills physicochemical criteria determining drug-like properties of chemical compounds, and may serve as a potential cytostatic agent in cancer treatment.
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Tretyakova MS, Subbalakshmi AR, Menyailo ME, Jolly MK, Denisov EV. Tumor Hybrid Cells: Nature and Biological Significance. Front Cell Dev Biol 2022; 10:814714. [PMID: 35242760 PMCID: PMC8886020 DOI: 10.3389/fcell.2022.814714] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Accepted: 01/25/2022] [Indexed: 11/13/2022] Open
Abstract
Metastasis is the leading cause of cancer death and can be realized through the phenomenon of tumor cell fusion. The fusion of tumor cells with other tumor or normal cells leads to the appearance of tumor hybrid cells (THCs) exhibiting novel properties such as increased proliferation and migration, drug resistance, decreased apoptosis rate, and avoiding immune surveillance. Experimental studies showed the association of THCs with a high frequency of cancer metastasis; however, the underlying mechanisms remain unclear. Many other questions also remain to be answered: the role of genetic alterations in tumor cell fusion, the molecular landscape of cells after fusion, the lifetime and fate of different THCs, and the specific markers of THCs, and their correlation with various cancers and clinicopathological parameters. In this review, we discuss the factors and potential mechanisms involved in the occurrence of THCs, the types of THCs, and their role in cancer drug resistance and metastasis, as well as potential therapeutic approaches for the prevention, and targeting of tumor cell fusion. In conclusion, we emphasize the current knowledge gaps in the biology of THCs that should be addressed to develop highly effective therapeutics and strategies for metastasis suppression.
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Affiliation(s)
- Maria S Tretyakova
- Laboratory of Cancer Progression Biology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - Ayalur R Subbalakshmi
- Cancer Systems Biology Laboratory, Centre for BioSystems Science and Engineering, Indian Institute of Science, Bengaluru, India
| | - Maxim E Menyailo
- Laboratory of Cancer Progression Biology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - Mohit Kumar Jolly
- Cancer Systems Biology Laboratory, Centre for BioSystems Science and Engineering, Indian Institute of Science, Bengaluru, India
| | - Evgeny V Denisov
- Laboratory of Cancer Progression Biology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
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Chen J, Dai Q, Yang Q, Bao X, Zhou Y, Zhong H, Wu L, Wang T, Zhang Z, Lu Y, Zhang Z, Lin M, Han M, Wei Q. Therapeutic nucleus-access BNCT drug combined CD47-targeting gene editing in glioblastoma. J Nanobiotechnology 2022; 20:102. [PMID: 35246144 PMCID: PMC8895533 DOI: 10.1186/s12951-022-01304-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 02/08/2022] [Indexed: 01/04/2023] Open
Abstract
Glioblastoma is the most common brain primary malignant tumor with the highest mortality. Boron neutron capture therapy (BNCT) can efficiently kill cancer cells on the cellular scale, with high accuracy, short course and low side-effects, which is regarded as the most promising therapy for malignant brain tumors like glioma. As the keypoint of BNCT, all boron delivery agents currently in clinical use are beset by insufficient tumor uptake, especially in the tumor nucleus, which limits the clinical application of BNCT. In this study, nuclear targeting of boron is achieved by DOX-CB, consisting of doxorubicin (DOX) and carborane (CB) utilizing the nuclear translocation property of DOX. The nucleus of GL261 cells takes up almost three times the concentration of boron required for BNCT. To further kill glioma and inhibit recurrence, a new multifunctional nanoliposome delivery system DOX-CB@lipo-pDNA-iRGD is constructed. It combines DOX-CB with immunotherapy strategy of blocking macrophage immune checkpoint pathway CD47-SIRPα by CRISPR-Cas9 system, coupling BNCT with immunotherapy simultaneously. Compared with clinical drug Borocaptate Sodium (BSH), DOX-CB@lipo-pDNA-iRGD significantly enhances the survival rate of tumor-bearing mice, reduces tumor stemness, and improves the prognosis. The excellent curative effect of this nanoliposome delivery system provides an insight into the combined treatment of BNCT.
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Affiliation(s)
- Jiejian Chen
- Institute of Pharmaceutics, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, School of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China.,Department of Radiation Oncology, Key Laboratory of Cancer Prevention and Intervention, The Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310058, China.,Department of Medical Oncology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, 510180, Guangdong, China
| | - Qi Dai
- Department of Radiation Oncology, Key Laboratory of Cancer Prevention and Intervention, The Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310058, China
| | - QiYao Yang
- Department of Radiation Oncology, Key Laboratory of Cancer Prevention and Intervention, The Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310058, China
| | - Xiaoyan Bao
- Institute of Pharmaceutics, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, School of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Yi Zhou
- Institute of Pharmaceutics, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, School of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Haiqing Zhong
- Institute of Pharmaceutics, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, School of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Linjie Wu
- Institute of Pharmaceutics, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, School of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Tiantian Wang
- Institute of Pharmaceutics, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, School of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Zhicheng Zhang
- Department of Radiation Oncology, Key Laboratory of Cancer Prevention and Intervention, The Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310058, China
| | - Yiying Lu
- Institute of Pharmaceutics, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, School of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Zhentao Zhang
- Institute of Pharmaceutics, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, School of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Mengting Lin
- Institute of Pharmaceutics, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, School of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Min Han
- Institute of Pharmaceutics, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, School of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China.
| | - Qichun Wei
- Department of Radiation Oncology, Key Laboratory of Cancer Prevention and Intervention, The Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310058, China.
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45
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Zou W, Huang R, Zheng Y, Liu C, Sun J, Sun Y, Yue J. Investigation of the systemic inflammatory index as a predictor of downstaging in locally advanced rectal cancer patients with preoperative chemoradiation. PRECISION RADIATION ONCOLOGY 2022. [DOI: 10.1002/pro6.1145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/09/2022] Open
Affiliation(s)
- Wenxue Zou
- Department of Graduate Shandong Cancer Hospital and Institute Shandong First Medical University and Shandong Academy of Medical Sciences Jinan Shandong China
| | - Rui Huang
- Department of Graduate Shandong Cancer Hospital and Institute Shandong First Medical University and Shandong Academy of Medical Sciences Jinan Shandong China
| | - Yanfen Zheng
- Department of Graduate Shandong Cancer Hospital and Institute Shandong First Medical University and Shandong Academy of Medical Sciences Jinan Shandong China
| | - Chao Liu
- Department of Radiation Oncology Shandong Cancer Hospital and Institute Shandong First Medical University and Shandong Academy of Medical Sciences Jinan Shandong China
| | - Jujie Sun
- Department of Radiation Oncology Shandong Cancer Hospital and Institute Shandong First Medical University and Shandong Academy of Medical Sciences Jinan Shandong China
| | - Yanlai Sun
- Department of Gastrointestinal Cancer Surgery Shandong Cancer Hospital and Institute Shandong First Medical University and Shandong Academy of Medical Sciences Jinan China
| | - Jinbo Yue
- Department of Radiation Oncology Shandong Cancer Hospital and Institute Shandong First Medical University and Shandong Academy of Medical Sciences Jinan Shandong China
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Xu J, Su SM, Zhang X, Chan UI, Adhav R, Shu X, Liu J, Li J, Mo L, Wang Y, An T, Lei JH, Miao K, Deng CX, Xu X. ATP11B inhibits breast cancer metastasis in a mouse model by suppressing externalization of nonapoptotic phosphatidylserine. J Clin Invest 2022; 132:e149473. [PMID: 35025764 PMCID: PMC8884903 DOI: 10.1172/jci149473] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 01/11/2022] [Indexed: 11/17/2022] Open
Abstract
Cancer metastasis is the cause of the majority of cancer-related deaths. In this study, we demonstrated that no expression or low expression of ATP11B in conjunction with high expression of PTDSS2, which was negatively regulated by BRCA1, markedly accelerates tumor metastasis. Further analysis revealed that cells with low ATP11B expression and high PTDSS2 expression (ATP11BloPTDSS2hi cells) were associated with poor prognosis and enhanced metastasis in breast cancer patients in general. Mechanistically, an ATP11BloPTDSS2hi phenotype was associated with increased levels of nonapoptotic phosphatidylserine (PS) on the outer leaflet of the cell membrane. This PS increase serves as a global immunosuppressive signal to promote breast cancer metastasis through an enriched tumor microenvironment with the accumulation of myeloid-derived suppressor cells and reduced activity of cytotoxic T cells. The metastatic processes associated with ATP11BloPTDSS2hi cancer cells can be effectively overcome by changing the expression phenotype to ATP11BhiPTDSS2lo through a combination of anti-PS antibody with either paclitaxel or docetaxel. Thus, blocking the ATP11BloPTDSS2hi axis provides a new selective therapeutic strategy to prevent metastasis in breast cancer patients.
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Affiliation(s)
- Jun Xu
- Cancer Centre, Faculty of Health Sciences
- Centre for Precision Medicine Research and Training, Faculty of Health Sciences, and
| | - Sek Man Su
- Cancer Centre, Faculty of Health Sciences
- Centre for Precision Medicine Research and Training, Faculty of Health Sciences, and
| | - Xin Zhang
- Cancer Centre, Faculty of Health Sciences
- Centre for Precision Medicine Research and Training, Faculty of Health Sciences, and
| | - Un In Chan
- Cancer Centre, Faculty of Health Sciences
- Centre for Precision Medicine Research and Training, Faculty of Health Sciences, and
| | - Ragini Adhav
- Cancer Centre, Faculty of Health Sciences
- Centre for Precision Medicine Research and Training, Faculty of Health Sciences, and
| | - Xiaodong Shu
- Cancer Centre, Faculty of Health Sciences
- Centre for Precision Medicine Research and Training, Faculty of Health Sciences, and
| | - Jianlin Liu
- Cancer Centre, Faculty of Health Sciences
- Centre for Precision Medicine Research and Training, Faculty of Health Sciences, and
| | - Jianjie Li
- Cancer Centre, Faculty of Health Sciences
- Centre for Precision Medicine Research and Training, Faculty of Health Sciences, and
| | - Lihua Mo
- Cancer Centre, Faculty of Health Sciences
- Centre for Precision Medicine Research and Training, Faculty of Health Sciences, and
| | - Yuqing Wang
- Cancer Centre, Faculty of Health Sciences
- Centre for Precision Medicine Research and Training, Faculty of Health Sciences, and
| | - Tingting An
- Cancer Centre, Faculty of Health Sciences
- Centre for Precision Medicine Research and Training, Faculty of Health Sciences, and
| | - Josh Haipeng Lei
- Cancer Centre, Faculty of Health Sciences
- Centre for Precision Medicine Research and Training, Faculty of Health Sciences, and
| | - Kai Miao
- Cancer Centre, Faculty of Health Sciences
- Centre for Precision Medicine Research and Training, Faculty of Health Sciences, and
- Ministry of Education Frontiers Science Center for Precision Oncology, University of Macau, Macau, China
| | - Chu-Xia Deng
- Cancer Centre, Faculty of Health Sciences
- Centre for Precision Medicine Research and Training, Faculty of Health Sciences, and
- Ministry of Education Frontiers Science Center for Precision Oncology, University of Macau, Macau, China
| | - Xiaoling Xu
- Cancer Centre, Faculty of Health Sciences
- Centre for Precision Medicine Research and Training, Faculty of Health Sciences, and
- Ministry of Education Frontiers Science Center for Precision Oncology, University of Macau, Macau, China
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47
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Tsai CH, Chiu TY, Chen CT, Hsu CY, Tsai YR, Yeh TK, Huang KH, Tsou LK. Click Chemistry and Multicomponent Reaction for Linker Diversification of Zinc Dipicolylamine-Based Drug Conjugates. Front Chem 2022; 9:822587. [PMID: 35242746 PMCID: PMC8886374 DOI: 10.3389/fchem.2021.822587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 12/24/2021] [Indexed: 11/13/2022] Open
Abstract
An efficient Ugi multicomponent reaction with strain promoted azide-alkyne cycloaddition protocol has been utilized in concert or independently to prepare a small family of bioactive zinc(II) dipicolylamine (ZnDPA)-based SN-38 conjugates. With sequential click chemistry coupling between the cytotoxic payload and phosphatidylserine-targeting ZnDPA ligand derived from structurally diverse carboxylic acids, aldehyde or ketones, and isocyanides, we demonstrated that this convergent synthetic strategy could furnish conjugates harnessing diversified linkers that exhibited different pharmacokinetic profiles in systemic circulation in vivo. Among the eight new conjugates, comparative studies on in vitro cytotoxicities, plasma stabilities, in vivo pharmacokinetic properties, and maximum tolerated doses were then carried out to identify a potent ZnDPA-based SN-38 conjugate that resulted in pancreatic cancer growth regression with an 80% reduction of cytotoxic payload used when compared to that of the marketed irinotecan. Our work provided the roadmap to construct a variety of theranostic agents in a similar manner for cancer treatment.
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48
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Zhao Z, Swartchick CB, Chan J. Targeted contrast agents and activatable probes for photoacoustic imaging of cancer. Chem Soc Rev 2022; 51:829-868. [PMID: 35094040 PMCID: PMC9549347 DOI: 10.1039/d0cs00771d] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Photoacoustic (PA) imaging has emerged as a powerful technique for the high resolution visualization of biological processes within deep tissue. Through the development and application of exogenous targeted contrast agents and activatable probes that can respond to a given cancer biomarker, researchers can image molecular events in vivo during cancer progression. This information can provide valuable details that can facilitate cancer diagnosis and therapy monitoring. In this tutorial review, we provide a step-by-step guide to select a cancer biomarker and subsequent approaches to design imaging agents for in vivo use. We envision this information will be a useful summary to those in the field, new members to the community, and graduate students taking advanced imaging coursework. We also highlight notable examples from the recent literature, with emphasis on the molecular designs and their in vivo PA imaging performance. To conclude, we provide our outlook and future perspective in this exciting field.
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Affiliation(s)
- Zhenxiang Zhao
- Department of Chemistry, Beckman Institute for Advanced Science and Technology, and Cancer Center at Illinois, University of Illinois at Urbana-Champaign, 600 South Mathews Avenue, Urbana, Illinois, USA
| | - Chelsea B. Swartchick
- Department of Chemistry, Beckman Institute for Advanced Science and Technology, and Cancer Center at Illinois, University of Illinois at Urbana-Champaign, 600 South Mathews Avenue, Urbana, Illinois, USA
| | - Jefferson Chan
- Department of Chemistry, Beckman Institute for Advanced Science and Technology, and Cancer Center at Illinois, University of Illinois at Urbana-Champaign, 600 South Mathews Avenue, Urbana, Illinois, USA
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49
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Elrayess RA, Mohallal ME, Mobarak YM, Ebaid HM, Haywood-Small S, Miller K, Strong PN, Abdel-Rahman MA. Scorpion Venom Antimicrobial Peptides Induce Caspase-1 Dependant Pyroptotic Cell Death. Front Pharmacol 2022; 12:788874. [PMID: 35082671 PMCID: PMC8784870 DOI: 10.3389/fphar.2021.788874] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Accepted: 12/13/2021] [Indexed: 11/22/2022] Open
Abstract
Within the last decade, several peptides have been identified according to their ability to inhibit the growth of microbial pathogens. These antimicrobial peptides (AMPs) are a part of the innate immune system of all living organisms. Many studies on their effects on prokaryotic microorganisms have been reported; some of these peptides have cytotoxic properties although the molecular mechanisms underlying their activity on eukaryotic cells remain poorly understood. Smp24 and Smp43 are novel cationic AMPs which were identified from the venom of the Egyptian scorpion Scorpio maurus palmatus. Smp24 and Smp43 showed potent activity against both Gram-positive and Gram-negative bacteria as well as fungi. Here we describe cytotoxicity of these peptides towards two acute leukaemia cell lines (myeloid (KG1-a) and lymphoid (CCRF-CEM) leukaemia cell lines) and three non-tumour cell lines CD34+ (hematopoietic stem progenitor from cord blood), HRECs (human renal epithelial cells) and HaCaT (human skin keratinocytes). Smp24 and Smp43 (4–256 µg/ml) decreased the viability of all cell lines, although HaCaT cells were markedly less sensitive. With the exception HaCaT cells, the caspase-1 gene was uniquely up-regulated in all cell lines studied. However, all cell lines showed an increase in downstream interleukin-1β (IL-1β) expression. Transmission electron microscope studies revealed the formation of cell membrane blebs and the appearance of autolysosomes and lipid droplets in all cell lines; KG1-a leukemia cells also showed the unique appearance of glycogen deposits. Our results reveal a novel mechanism of action for scorpion venom AMPs, activating a cascade of events leading to cell death through a programmed pyroptotic mechanism.
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Affiliation(s)
- Ranwa A Elrayess
- Biomolecular Sciences Research Centre, Sheffield Hallam University, Sheffield, United Kingdom.,Zoology Department, Faculty of Science, Suez Canal University, Ismailia, Egypt
| | - Mahmoud E Mohallal
- Zoology Department, Faculty of Science, Suez Canal University, Ismailia, Egypt
| | - Yomn M Mobarak
- Zoology Department, Faculty of Science, Suez University, Suez, Egypt
| | - Hala M Ebaid
- Zoology Department, Faculty of Science, Suez Canal University, Ismailia, Egypt
| | - Sarah Haywood-Small
- Biomolecular Sciences Research Centre, Sheffield Hallam University, Sheffield, United Kingdom
| | - Keith Miller
- Biomolecular Sciences Research Centre, Sheffield Hallam University, Sheffield, United Kingdom
| | - Peter N Strong
- Biomolecular Sciences Research Centre, Sheffield Hallam University, Sheffield, United Kingdom
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50
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Lee H, Kwon Y, Jin H, Liu H, Kang W, Chun Y, Bae J, Choi H. Anticancer activity and metabolic profile alterations by ortho‐topolin riboside in in vitro and in vivo models of non‐small cell lung cancer. FASEB J 2022; 36:e22127. [DOI: 10.1096/fj.202101333r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 12/09/2021] [Accepted: 12/16/2021] [Indexed: 12/24/2022]
Affiliation(s)
- Hwanhui Lee
- College of Pharmacy Chung‐Ang University Seoul Republic of Korea
| | - Yeo‐Jung Kwon
- College of Pharmacy Chung‐Ang University Seoul Republic of Korea
| | - Hanyong Jin
- Key Laboratory of Natural Medicines of the Changbai Mountain Ministry of Education College of Pharmacy Yanbian University Yanji China
| | - Heifeng Liu
- College of Pharmacy Chung‐Ang University Seoul Republic of Korea
| | - Wonku Kang
- College of Pharmacy Chung‐Ang University Seoul Republic of Korea
| | - Young‐Jin Chun
- College of Pharmacy Chung‐Ang University Seoul Republic of Korea
| | - Jeehyeon Bae
- College of Pharmacy Chung‐Ang University Seoul Republic of Korea
| | - Hyung‐Kyoon Choi
- College of Pharmacy Chung‐Ang University Seoul Republic of Korea
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