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Okafor M, Champomier O, Raibaut L, Ozkan S, El Kholti N, Ory S, Chasserot-Golaz S, Gasman S, Hureau C, Faller P, Vitale N. Restoring cellular copper homeostasis in Alzheimer disease: a novel peptide shuttle is internalized by an ATP-dependent endocytosis pathway involving Rab5- and Rab14-endosomes. Front Mol Biosci 2024; 11:1355963. [PMID: 38645276 PMCID: PMC11026709 DOI: 10.3389/fmolb.2024.1355963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 03/11/2024] [Indexed: 04/23/2024] Open
Abstract
CPPs, or Cell-Penetrating Peptides, offer invaluable utility in disease treatment due to their ability to transport various therapeutic molecules across cellular membranes. Their unique characteristics, such as biocompatibility and low immunogenicity, make them ideal candidates for delivering drugs, genes, or imaging agents directly into cells. This targeted delivery enhances treatment efficacy while minimizing systemic side effects. CPPs exhibit versatility, crossing biological barriers and reaching intracellular targets that conventional drugs struggle to access. This capability holds promise in treating a wide array of diseases, including cancer, neurodegenerative disorders, and infectious diseases, offering a potent avenue for innovative and targeted therapies, yet their precise mechanism of cell entry is far from being fully understood. In order to correct Cu dysregulation found in various pathologies such as Alzheimer disease, we have recently conceived a peptide Cu(II) shuttle, based on the αR5W4 CPP, which, when bound to Cu(II), is able to readily enter a neurosecretory cell model, and release bioavailable Cu in cells. Furthermore, this shuttle has the capacity to protect cells in culture against oxidative stress-induced damage which occurs when Cu binds to the Aβ peptide. The aim of this study was therefore to characterize the cell entry route used by this shuttle and determine in which compartment Cu is released. Pharmacological treatments, siRNA silencing and colocalization experiments with GFP-Rab fusion proteins, indicate that the shuttle is internalized by an ATP-dependent endocytosis pathway involving both Rab5 and Rab14 endosomes route and suggest an early release of Cu from the shuttle.
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Affiliation(s)
- Michael Okafor
- Institut des Neurosciences Cellulaires et Intégratives—Centre National de la Recherche Scientifique UPR3212, Université de Strasbourg, Strasbourg, France
- Institut de Chimie—UMR7177, Université de Strasbourg, Centre National de la Recherche Scientifique, Strasbourg, France
| | - Olivia Champomier
- Institut des Neurosciences Cellulaires et Intégratives—Centre National de la Recherche Scientifique UPR3212, Université de Strasbourg, Strasbourg, France
- Institut de Chimie—UMR7177, Université de Strasbourg, Centre National de la Recherche Scientifique, Strasbourg, France
| | - Laurent Raibaut
- Institut de Chimie—UMR7177, Université de Strasbourg, Centre National de la Recherche Scientifique, Strasbourg, France
| | - Sebahat Ozkan
- Institut des Neurosciences Cellulaires et Intégratives—Centre National de la Recherche Scientifique UPR3212, Université de Strasbourg, Strasbourg, France
| | - Naima El Kholti
- Institut des Neurosciences Cellulaires et Intégratives—Centre National de la Recherche Scientifique UPR3212, Université de Strasbourg, Strasbourg, France
| | - Stéphane Ory
- Institut des Neurosciences Cellulaires et Intégratives—Centre National de la Recherche Scientifique UPR3212, Université de Strasbourg, Strasbourg, France
| | - Sylvette Chasserot-Golaz
- Institut des Neurosciences Cellulaires et Intégratives—Centre National de la Recherche Scientifique UPR3212, Université de Strasbourg, Strasbourg, France
| | - Stéphane Gasman
- Institut des Neurosciences Cellulaires et Intégratives—Centre National de la Recherche Scientifique UPR3212, Université de Strasbourg, Strasbourg, France
| | - Christelle Hureau
- Laboratoire de Chimie de Coordination, Centre National de la Recherche Scientifique UPR8241, Université de Toulouse, Toulouse, France
| | - Peter Faller
- Institut de Chimie—UMR7177, Université de Strasbourg, Centre National de la Recherche Scientifique, Strasbourg, France
- Institut Universitaire de France (IUF), Paris, France
| | - Nicolas Vitale
- Institut des Neurosciences Cellulaires et Intégratives—Centre National de la Recherche Scientifique UPR3212, Université de Strasbourg, Strasbourg, France
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Pal S, G BR, Mohny FP, Choudhury SG, Karmakar A, Gupta S, Ganguli M. Albumin Nanoparticles Surface Decorated with a Tumor-Homing Peptide Help in Selective Killing of Triple-Negative Breast Cancer Cells. ACS APPLIED MATERIALS & INTERFACES 2023; 15:46721-46737. [PMID: 37756635 DOI: 10.1021/acsami.3c11561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/29/2023]
Abstract
In this article, we describe a method of delivery of doxorubicin using a novel tumor-homing peptide-based albumin nanoparticle system to triple-negative breast cancer cells (TNBC). The absence and reduced expression of the hormone (estrogen, progesterone) and HER2 (human epidermal growth factor 2) receptors, respectively, render TNBC patients nonsusceptible to different available targeted therapies. These peptide-modified nanoparticles could be taken up by TNBC cells more effectively than their bare counterparts. The drug-loaded peptide-modified nanoparticles achieved an optimal but crucial balance between cell killing in cancerous cells and cell survival in the noncancerous ones. This appears to be because of different routes of entry and subsequent fate of the bare and peptide-modified nanoparticles in cancerous and noncancerous cells. In a TNBC mouse model, the peptide-modified system fared better than the free drug in mounting an antitumor response while not being toxic systemically.
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Affiliation(s)
- Simanti Pal
- CSIR- Institute of Genomics and Integrative Biology, Mathura Road, New Delhi 110025, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Betsy Reshma G
- CSIR- Institute of Genomics and Integrative Biology, Mathura Road, New Delhi 110025, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Franklin Pulikkottil Mohny
- CSIR- Institute of Genomics and Integrative Biology, Mathura Road, New Delhi 110025, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | | | | | - Sarika Gupta
- National Institute of Immunology, New Delhi 110067, India
| | - Munia Ganguli
- CSIR- Institute of Genomics and Integrative Biology, Mathura Road, New Delhi 110025, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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Wang X, Wang X, Lai J, Xu W, Zhu W, Chen G. Protein tyrosine phosphatase non-receptor type 12 suppresses tumor progression in osteosarcoma cells. J Orthop Sci 2023; 28:468-475. [PMID: 35063332 DOI: 10.1016/j.jos.2021.12.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 12/15/2021] [Accepted: 12/22/2021] [Indexed: 02/09/2023]
Abstract
BACKGROUND Protein tyrosine phosphatase non-receptor 12 (PTPN12) plays a prominent role in various cancers as a tumor suppressor. However, the expression of PTPN12 and its biological functions in osteosarcoma (OS) remains to be determined. METHODS PTPN12 expression in OS was explored in public databases and detected by immunohistochemistry and Western blot. The cell viability was determined by Cell Counting Kit-8 (CCK-8) assay and colony formation. The cell migration and invasion were assessed by the Transwell assay. Flow cytometry analysis was applied to detect cell apoptosis and cell cycle distribution. To investigate the related mechanism, the levels of EGFR and downstream proteins were detected by Western blot. RESULTS PTPN12 expression was significantly decreased in OS samples in GEO database and our hospital. OS cell lines in Cancer Cell Line Encyclopedia (CCLE) database and our cultured OS cells also demonstrated low PTPN12 expression. Lentivirus-induced overexpression of PTPN12 significantly inhibited the cell viability, migration and invasion of 143B and U2OS cells. The results of flow cytometry found that PTPN12 overexpression promoted cell apoptosis and induced cell cycle arrest at G1 phase in 143B and U2OS cells. The phosphorylation levels of EGFR and subsequent proteins of the PI3K/AKT and ERK pathways were inactivated as a result of PTPN12 overexpression in OS. CONCLUSION PTPN12 plays a tumor suppressive role in OS cells. Restoring of PTPN12 activity may provide new insights for the treatment of this disease.
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Affiliation(s)
- Xinwu Wang
- Department of Orthopaedics, The First Hospital of Putian City, Putian, Fujian, 351199, China
| | - Xinwen Wang
- Department of Orthopaedics, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, 350005, China
| | - Jiankun Lai
- Department of Orthopaedics, Dongguan People 's Hospital, Dongguan, Guangdong, 523059, China
| | - Weifeng Xu
- Department of Medical Oncology, The Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou, Henan, 450008, China
| | - Wenxiong Zhu
- Department of Orthopaedics, Dongguan People 's Hospital, Dongguan, Guangdong, 523059, China.
| | - Guoxian Chen
- Department of Orthopaedics, The First Hospital of Putian City, Putian, Fujian, 351199, China.
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Mardhekar S, Subramani B, Samudra P, Srikanth P, Mahida V, Bhoge PR, Toraskar S, Abraham NM, Kikkeri R. Sulfation of Heparan and Chondroitin Sulfate Ligands Enables Cell-Specific Homing of Nanoprobes. Chemistry 2023; 29:e202202622. [PMID: 36325647 PMCID: PMC7616003 DOI: 10.1002/chem.202202622] [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: 08/22/2022] [Revised: 11/02/2022] [Accepted: 11/02/2022] [Indexed: 11/06/2022]
Abstract
Demystifying the sulfation code of glycosaminoglycans (GAGs) to induce precise homing of nanoparticles in tumor cells or neurons influences the development of a potential drug- or gene-delivery system. However, GAGs, particularly heparan sulfate (HS) and chondroitin sulfate (CS), are structurally highly heterogeneous, and synthesizing well-defined HS/CS composed nanoparticles is challenging. Here, we decipher how specific sulfation patterns on HS and CS regulate receptor-mediated homing of nanoprobes in primary and secondary cells. We discovered that aggressive cancer cells such as MDA-MB-231 displayed a strong uptake of GAG-nanoprobes compared to mild or moderately aggressive cancer cells. However, there was no selectivity towards the GAG sequences, thus indicating the presence of more than one form of receptor-mediated uptake. However, U87 cells, olfactory bulb, and hippocampal primary neurons showed selective or preferential uptake of CS-E-coated nanoprobes compared to other GAG-nanoprobes. Furthermore, mechanistic studies revealed that the 4,6-O-disulfated-CS nanoprobe used the CD44 and caveolin-dependent endocytosis pathway for uptake. These results could lead to new opportunities to use GAG nanoprobes in nanomedicine.
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Grants
- SERB/F/9228/2019-2020 Department of Science and Technology , Ministry of Science and Technology New Delhi, India
- BT/PR34475/MED/15/210/2020 Department of Biotechnology, Ministry of Science and Technology, India
- SR/WOS-A/CS-72/2019 Department of Science and Technology , Ministry of Science and Technology New Delhi, India
- DST/CSRI/2017/271 Department of Science and Technology , Ministry of Science and Technology New Delhi, India
- IA/I/14/1/501306 DBT-Wellcome Trust India Alliance
- Wellcome Trust
- IA/I/14/1/501306 The Wellcome Trust DBT India Alliance
- BT/PR21934/NNT/28/1242/2017 Department of Biotechnology, Ministry of Science and Technology, India
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Affiliation(s)
- Sandhya Mardhekar
- Department of Chemistry, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune-411008 (India)
| | - Balamurugan Subramani
- Department of Chemistry, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune-411008 (India)
| | - Prasanna Samudra
- Laboratory of Neural Circuits and Behaviour (LNCB), Department of Biology, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune-411008, (India)
| | - Priyadharshini Srikanth
- Laboratory of Neural Circuits and Behaviour (LNCB), Department of Biology, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune-411008, (India)
| | - Virendrasinh Mahida
- Department of Chemistry, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune-411008 (India)
| | - Preeti Ravindra Bhoge
- Department of Chemistry, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune-411008 (India)
| | - Suraj Toraskar
- Department of Chemistry, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune-411008 (India)
| | - Nixon M. Abraham
- Laboratory of Neural Circuits and Behaviour (LNCB), Department of Biology, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune-411008, (India)
| | - Raghavendra Kikkeri
- Department of Chemistry, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune-411008 (India)
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Chizhov AO. Complex Carbohydrates and Glycoconjugates: Structure, Functions and Applications. Int J Mol Sci 2021; 22:ijms222212219. [PMID: 34830101 PMCID: PMC8618160 DOI: 10.3390/ijms222212219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 10/21/2021] [Indexed: 11/29/2022] Open
Affiliation(s)
- Alexander O Chizhov
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russia
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Furini S, Falciani C. Expression and Role of Heparan Sulfated Proteoglycans in Pancreatic Cancer. Front Oncol 2021; 11:695858. [PMID: 34249755 PMCID: PMC8267412 DOI: 10.3389/fonc.2021.695858] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 06/03/2021] [Indexed: 12/21/2022] Open
Abstract
Pancreatic cancer is a lethal condition with poor outcomes and an increasing incidence. The unfavourable prognosis is due to the lack of early symptoms and consequent late diagnosis. An effective method for the early diagnosis of pancreatic cancer is therefore sought by many researchers in the field. Heparan sulfated proteoglycan-related genes are often expressed differently in tumors than in normal tissues. Alteration of the tumor microenvironment is correlated with the ability of heparan sulfated proteoglycans to bind cytokines and growth factors and eventually to influence tumor progression. Here we discuss the importance of glypicans, syndecans, perlecan and extracellular matrix modifying enzymes, such as heparanases and sulfatases, as potential diagnostics in pancreatic cancer. We also ran an analysis on a multidimensional cancer genomics database for heparan sulfated proteoglycan-related genes, and report altered expression of some of them.
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Affiliation(s)
- Simone Furini
- Department of Medical Biotechnologies, University of Siena, Siena, Italy
| | - Chiara Falciani
- Department of Medical Biotechnologies, University of Siena, Siena, Italy
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