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Zhang L, Ren H, Wu Y, Xue L, Bai Y, Wei D, Wu Q. PRG4 represses the genesis and metastasis of osteosarcoma by inhibiting PDL1 expression. Tissue Cell 2024; 88:102409. [PMID: 38781792 DOI: 10.1016/j.tice.2024.102409] [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: 01/08/2024] [Revised: 04/27/2024] [Accepted: 05/13/2024] [Indexed: 05/25/2024]
Abstract
BACKGROUND Osteosarcoma is originated from skeletal system. Recombinant human proteoglycan 4 (rhPRG4) can inhibit cell proliferation and migration in multiple cancers. This research is designed to dig out the role and mechanism of PRG4 in osteosarcoma. METHODS Human osteosarcoma cell lines, MG63 and 143B, were transfected with programmed death 1 (PD-L1) overexpression vectors and/or treated with 20, 50, and 100 μg/mL rhPRG4, followed by the determination of cell viability, colony formation, sphere formation, invasion, migration, apoptosis, and the expressions of matrix metalloproteinases (MMPs), PD-L1 and apoptosis-related proteins. Tumor-bearing mouse models were constructed by injection of 143B cells and treatment of anti-PD-L1 antibody and/or adenovirus PRG4 (AdPRG4). Tumor volume was monitored, and immunohistochemical location of Ki67 was performed. Expressions of MMPs, transforming growth factor-β (TGF-β), PD-L1, and epithelial mesenchymal transition (EMT)-related proteins were measured in tumors. RESULTS RhPRG4 (20, 50, and 100 μg/mL) inhibited the viability, colony formation, sphere formation, invasion, migration, and the expressions of MMP2, MMP9 and Bcl2 in osteosarcoma cells, while promoting cell apoptosis as well as Bax and c-caspase3 expressions, at a dose-dependent manner; by contrast, PD-L1 overexpression reversed the above effects of 100 μg/mL rhPRG4. AdPRG4 or anti-PD-L1 antibody decreased tumor volume, number of pulmonary metastasis nodule, Ki67 location, and expressions of TGF-β, PD-L1, MMP2, MMP9, Vimentin, and Snail, but increased E-cadherin expression in tumor cells. Moreover, anti-PD-L1 antibody and AdPRG4 together functioned more effectively than them alone in reducing tumor burden. CONCLUSION PRG4 represses the genesis and metastasis of osteosarcoma via inhibiting PD-L1 expression, and AdPRG4 enhances the effectiveness of anti-PD-L1 therapy.
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Affiliation(s)
- Lei Zhang
- Department of Oncology, Second Hospital of Shanxi Medical University, China
| | - Hongwei Ren
- Department of Oncology, Second Hospital of Shanxi Medical University, China
| | - Yanjuan Wu
- Department of Cardiothoracic surgery, Second Hospital of Shanxi Medical University, China
| | - Lili Xue
- Department of Oncology, Second Hospital of Shanxi Medical University, China
| | - Yang Bai
- Department of Oncology, Second Hospital of Shanxi Medical University, China
| | - Dong Wei
- Department of Oncology, Second Hospital of Shanxi Medical University, China
| | - Qilong Wu
- Department of Oncology, Second Hospital of Shanxi Medical University, China.
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Rajagopalan K, Christyraj JDS, Chelladurai KS, Das P, Mahendran K, Nagarajan L, Gunalan S. Understanding the Multi-Functional Role of TCTP in the Regeneration Process of Earthworm, Perionyx excavatus. Tissue Eng Regen Med 2024; 21:353-366. [PMID: 37935935 PMCID: PMC10825100 DOI: 10.1007/s13770-023-00599-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 08/30/2023] [Accepted: 09/18/2023] [Indexed: 11/09/2023] Open
Abstract
BACKGROUND Regeneration is a highly complex process that requires the coordination of numerous molecular events, and identifying the key ruler that governs is important to investigate. While it has been shown that TCTP is a multi-functional protein that regulates cell proliferation, differentiation, apoptosis, anti-apoptosis, stem cell maintenance, and immune responses, but only a few studies associated to regeneration have been reported. To investigate the multi-functional role of TCTP in regeneration, the earthworm Perionyx excavatus was chosen. METHODS Through pharmacological suppression of TCTP, amputation, histology, molecular docking, and western blotting, the multi-function role of TCTP involved in regeneration is revealed. RESULTS Amputational studies show that P. excavatus is a clitellum-independent regenerating earthworm resulting in two functional worms upon amputation. Arresting cell cycle at the G1/S boundary using 2 mM Thymidine confirms that P. excavatus execute both epimorphosis and morphallaxis regeneration mode. The pharmacological suppression of TCTP using buclizine results in regeneration suppression. Following the combinatorial injection of 2 mM Thymidine and buclizine, the earthworm regeneration is completely blocked, which suggests a critical functional role of TCTP in morphallaxis. The pharmacological inhibition of TCTP also suppresses the key proteins involved in regeneration: Wnt3a (stem cell marker), PCNA (cell proliferation) and YAP1 (Hippo signalling) but augments the expression of cellular stress protein p53. CONCLUSION The collective results indicate that TCTP synchronously is involved in the process of stem cell activation, cell proliferation, morphallaxis, and organ development in the regeneration event.
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Affiliation(s)
- Kamarajan Rajagopalan
- Molecular Biology and Stem Cell Research Lab, Centre for Molecular and Nanomedical Sciences, International Research Centre, Sathyabama Institute of Science and Technology (Deemed to be University), Chennai, Tamilnadu, India
| | - Jackson Durairaj Selvan Christyraj
- Molecular Biology and Stem Cell Research Lab, Centre for Molecular and Nanomedical Sciences, International Research Centre, Sathyabama Institute of Science and Technology (Deemed to be University), Chennai, Tamilnadu, India.
| | - Karthikeyan Subbiahanadar Chelladurai
- Molecular Biology and Stem Cell Research Lab, Centre for Molecular and Nanomedical Sciences, International Research Centre, Sathyabama Institute of Science and Technology (Deemed to be University), Chennai, Tamilnadu, India
- School of Health Sciences, Purdue University, 550 Stadium Mall Drive, West Lafayette, IN, 47907, USA
| | - Puja Das
- Molecular Biology and Stem Cell Research Lab, Centre for Molecular and Nanomedical Sciences, International Research Centre, Sathyabama Institute of Science and Technology (Deemed to be University), Chennai, Tamilnadu, India
| | - Karthikeyan Mahendran
- Department of Zoology and Microbiology, Thiyagarajar College, Madurai, Tamilnadu, India
| | - Logeshwari Nagarajan
- Molecular Biology and Stem Cell Research Lab, Centre for Molecular and Nanomedical Sciences, International Research Centre, Sathyabama Institute of Science and Technology (Deemed to be University), Chennai, Tamilnadu, India
| | - Saritha Gunalan
- Molecular Biology and Stem Cell Research Lab, Centre for Molecular and Nanomedical Sciences, International Research Centre, Sathyabama Institute of Science and Technology (Deemed to be University), Chennai, Tamilnadu, India
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Santamaria G, Cioce M, Rizzuto A, Fazio VM, Viglietto G, Lucibello M. Harnessing the value of TCTP in breast cancer treatment resistance: an opportunity for personalized therapy. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2023; 6:447-467. [PMID: 37842235 PMCID: PMC10571059 DOI: 10.20517/cdr.2023.21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 05/25/2023] [Accepted: 06/15/2023] [Indexed: 10/17/2023]
Abstract
Early identification of breast cancer (BC) patients at a high risk of progression may aid in therapeutic and prognostic aims. This is especially true for metastatic disease, which is responsible for most cancer-related deaths. Growing evidence indicates that the translationally controlled tumor protein (TCTP) may be a clinically relevant marker for identifying poorly differentiated aggressive BC tumors. TCTP is an intriguing protein with pleiotropic functions, which is involved in multiple signaling pathways. TCTP may also be involved in stress response, cell growth and proliferation-related processes, underlying its potential role in the initiation of metastatic growth. Thus, TCTP marks specific cancer cell sub-populations with pronounced stress adaptation, stem-like and immune-evasive properties. Therefore, we have shown that in vivo phospho-TCTP levels correlate with the response of BC cells to anti-HER2 agents. In this review, we discuss the clinical relevance of TCTP for personalized therapy, specific TCTP-targeting strategies, and currently available therapeutic agents. We propose TCTP as an actionable clinically relevant target that could potentially improve patient outcomes.
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Affiliation(s)
- Gianluca Santamaria
- Department of Experimental and Clinical Medicine, “Magna Graecia” University of Catanzaro, Catanzaro 88100, Italy
- These authors contributed equally
| | - Mario Cioce
- Department of Medicine, Laboratory of Molecular Medicine and Biotechnology, University Campus Bio-Medico of Rome, Rome 00128, Italy
- Institute of Translational Pharmacology, National Research Council of Italy (CNR), Rome 00133, Italy
- These authors contributed equally
| | - Antonia Rizzuto
- Department of Medical and Surgical Sciences, “Magna Graecia” University of Catanzaro, Catanzaro 88100, Italy
| | - Vito Michele Fazio
- Department of Medicine, Laboratory of Molecular Medicine and Biotechnology, University Campus Bio-Medico of Rome, Rome 00128, Italy
- Institute of Translational Pharmacology, National Research Council of Italy (CNR), Rome 00133, Italy
| | - Giuseppe Viglietto
- Department of Experimental and Clinical Medicine, “Magna Graecia” University of Catanzaro, Catanzaro 88100, Italy
| | - Maria Lucibello
- Department of Experimental and Clinical Medicine, “Magna Graecia” University of Catanzaro, Catanzaro 88100, Italy
- Department of Biomedical Sciences, Institute for Biomedical Research and Innovation, National Research Council of Italy (CNR), Catanzaro 88100, Italy
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Marshall K, Twum Y, Gao W. Proteome derangement in malignant epithelial cells and its stroma following exposure to 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone. Arch Toxicol 2023; 97:711-720. [PMID: 36434399 PMCID: PMC10071504 DOI: 10.1007/s00204-022-03426-8] [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: 09/07/2022] [Accepted: 11/16/2022] [Indexed: 11/27/2022]
Abstract
Discovering novel changes in the proteome of malignant lung epithelial cells and/or the tumor-microenvironment is paramount for diagnostic, prognostic, and/or therapy development. A time-dependent 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK)-induced mouse lung tumor model was used to screen the proteome of lung tumors. NNK-transformed human lung epithelial BEAS-2B cells were then established to evaluate the epithelial cell-specific protein changes. A duration-dependent increase of tumor burden was observed in NNK-treated mice, 2/12 (17%), 8/12 (67%), 9/12 (75%), and 10/10 (100%) at weeks 8, 12, 16, and 20 after the NNK exposure, respectively. A total of 25 differentially expressed proteins (≥ twofold change), predominantly structural, signaling, and metabolic proteins, were detected by two-dimensional difference gel electrophoresis and identified by mass spectrometry. Calregulin, ezrin, histamine releasing factor (HRF), and inorganic pyrophosphatase 1 (PPA1) exhibited changes and were further confirmed via immunoblotting. In addition, immunohistochemistry (IHC) analysis indicated upregulated E-cadherin and decreased vimentin expression in epithelial cells of tumor tissues. Acquisition of a neoplastic phenotype in NNK-transformed BEAS-2B cells was demonstrated by enhanced wound closure and increased anchorage independent colony formation. In transformed BEAS-2B cells, protein expression of E-cadherin, ezrin, and PPA1 (but not calregulin and HRF) was upregulated, as was observed in tumor tissues IHC staining using mouse lung tumor tissues further revealed that HRF upregulation was not lung epithelial cell specific. Altogether, tumorigenesis after NNK exposure may be initiated by protein dysregulation in lung epithelial cells together with proteome derangement derived from other cell types existing in the tumor-microenvironment.
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Affiliation(s)
- Kent Marshall
- Department of Occupational and Environmental Health Sciences, West Virginia University, School of Public Health, 64 Medical Center Drive, Morgantown, WV, 26506, USA
- West Virginia University, School of Medicine, 1 Medical Center Drive, Morgantown, WV, 26505, USA
- West Virginia Clinical and Translational Science Institute, Morgantown, WV, USA
| | - Yaw Twum
- Department of Occupational and Environmental Health Sciences, West Virginia University, School of Public Health, 64 Medical Center Drive, Morgantown, WV, 26506, USA
| | - Weimin Gao
- Department of Occupational and Environmental Health Sciences, West Virginia University, School of Public Health, 64 Medical Center Drive, Morgantown, WV, 26506, USA.
- West Virginia Clinical and Translational Science Institute, Morgantown, WV, USA.
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Badve SS, Gökmen-Polar Y. Targeting the Tumor-Tumor Microenvironment Crosstalk. Expert Opin Ther Targets 2023; 27:447-457. [PMID: 37395003 DOI: 10.1080/14728222.2023.2230362] [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: 04/01/2023] [Accepted: 06/23/2023] [Indexed: 07/04/2023]
Abstract
INTRODUCTION Cancer development and progression is a complex process influenced by co-evolution of the cancer cells and their microenvironment. However, traditional anti-cancer therapy is mostly targeted toward cancer cells. To improve the efficacy of cancer drugs, the complex interactions between the tumor (T) and the tumor microenvironment (TME) should be considered while developing therapeutics. AREAS COVERED The present review article will discuss the components of T-TME as well as the potential to co-target these two distinct elements. We document that these approaches have resulted in success in preventing tumor progression and metastasis, albeit in animal models in some cases. Lastly, it is important to consider the tissue context and tumor type as these could significantly modify the role of these molecules/pathways and hence the overall likelihood of response. Furthermore, we discuss the potential strategies to target the components of tumor microenvironment in anti-cancer therapy. PubMed and ClinicalTrials.gov was searched through May 2023. EXPERT OPINION The tumor-tumor microenvironment cross talk and heterogeneity are major mechanisms conferring resistance to standard of care. Better understanding of the tissue specific T-TME interactions and dual targeting has the promise of improving cancer control and clinical outcomes.
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Affiliation(s)
- Sunil S Badve
- Department of Pathology and Laboratory Medicine, Emory University, Atlanta, GA, USA
| | - Yesim Gökmen-Polar
- Department of Pathology and Laboratory Medicine, Emory University, Atlanta, GA, USA
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Role of Translationally Controlled Tumor Protein (TCTP) in the Development of Hypertension and Related Diseases in Mouse Models. Biomedicines 2022; 10:biomedicines10112722. [DOI: 10.3390/biomedicines10112722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 10/24/2022] [Accepted: 10/24/2022] [Indexed: 11/16/2022] Open
Abstract
Translationally controlled tumor protein (TCTP) is a multifunctional protein that plays a wide variety of physiological and pathological roles, including as a cytoplasmic repressor of Na,K-ATPase, an enzyme pivotal in maintaining Na+ and K+ ion gradients across the plasma membrane, by binding to and inhibiting Na,K-ATPase. Studies with transgenic mice overexpressing TCTP (TCTP-TG) revealed the pathophysiological significance of TCTP in the development of systemic arterial hypertension. Overexpression of TCTP and inhibition of Na,K-ATPase result in the elevation of cytoplasmic Ca2+ levels, which increases the vascular contractility in the mice, leading to hypertension. Furthermore, studies using an animal model constructed by multiple mating of TCTP-TG with apolipoprotein E knockout mice (ApoE KO) indicated that TCTP-induced hypertension facilitates the severity of atherosclerotic lesions in vivo. This review attempts to discuss the mechanisms underlying TCTP-induced hypertension and related diseases gleaned from studies using genetically altered animal models and the potential of TCTP as a target in the therapy of hypertension-related pathological conditions.
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