1
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Shen L, Zhang C, Cui K, Liang X, Zhu G, Hong L. Fer-mediated activation of the Ras-MAPK signaling pathway drives the proliferation, migration, and invasion of endometrial carcinoma cells. Mol Cell Biochem 2024; 479:1787-1799. [PMID: 38017327 DOI: 10.1007/s11010-023-04890-1] [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: 05/30/2023] [Accepted: 10/31/2023] [Indexed: 11/30/2023]
Abstract
BACKGROUND The role of Feline sarcoma-related protein (Fer) in various cancers has been extensively studied, but its specific involvement and underlying mechanisms in the progression of endometrial carcinoma (EC) are yet to be fully understood. METHODS The expression levels of Fer were assessed in EC tissues and cell lines using real-time quantitative PCR and western blot analysis. CCK-8 assay, Edu staining, transwell assays, and flow cytometry, were conducted to evaluate the impact of Fer on EC cells. Furthermore, a mice xenograft model and immunohistochemistry (IHC) staining were utilized for in vivo analysis. The levels of Ras, pMek1/2, and pErk1/2 were determined by western blot assay. Ras-MAPK signaling pathway inhibitor was utilized to study the regulatory role of Fer on EC cells. RESULTS Our findings revealed that Fer exhibited upregulation in both EC tissues and cell lines, concomitant with the activation of the Ras-MAPK signaling pathway. Silencing of Fer resulted in the suppression of cell proliferation, migration, invasion, and Ras-MAPK signaling pathway, while promoted hypoxia-induced apoptosis in RL95-2 and KLE cells. Fer overexpression stimulated cell proliferation, migration, invasion, and Ras-MAPK signaling pathway in Ishikawa and AN3-CA cells, which were reversed after treatment with either Ras or MAPK inhibitor. Moreover, silencing of Fer suppressed tumor growth and downregulated the expression of Ki-67, Ras, pMek1/2, and pErk1/2, but had no significant effect on Mek1/2 and Erk1/2, while upregulated caspase-3 expression in vivo. CONCLUSION In summary, the upregulation of Fer in EC cells resulted in the enhancement of cell proliferation, migration, and invasion through the activation of the Ras-MAPK signaling pathway.
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Affiliation(s)
- Lifan Shen
- Department of Gynecology, Surgery Building, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), 19Th Xiuhua Road, Xiuying District, Haikou, 570000, China
| | - Chen Zhang
- Department of Central Lab, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, China
| | - Kaiying Cui
- Department of Gynecology, Surgery Building, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), 19Th Xiuhua Road, Xiuying District, Haikou, 570000, China
| | - Xin Liang
- Department of Gynecology, Surgery Building, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), 19Th Xiuhua Road, Xiuying District, Haikou, 570000, China
| | - Genhai Zhu
- Department of Gynecology, Surgery Building, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), 19Th Xiuhua Road, Xiuying District, Haikou, 570000, China
| | - Lan Hong
- Department of Gynecology, Surgery Building, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), 19Th Xiuhua Road, Xiuying District, Haikou, 570000, China.
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2
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Dehbokri SG, Noorolyai S, Baghbani E, Moghaddamneshat N, Javaheri T, Baradaran B. Effects of CD44 siRNA on inhibition, survival, and apoptosis of breast cancer cell lines (MDA-MB-231 and 4T1). Mol Biol Rep 2024; 51:646. [PMID: 38727931 DOI: 10.1007/s11033-024-09572-9] [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: 05/29/2023] [Accepted: 04/17/2024] [Indexed: 06/07/2024]
Abstract
BACKGROUND Breast cancer (BC) is one of the most common cancers in the world. Despite the many advances that have been made in treating patients, many patients are still resistant to treatment. CD44 is one of the surface glycoproteins of BC cells that plays an important role in the proliferation of these cells and inhibition of their apoptosis. Therefore, targeting it can be a treatment way for BC patients. METHODS In this study, the effect of anti-CD44 siRNA on the proliferation, apoptosis, and migration rate of MDA-MB-231 and 4T1 cells was investigated. The techniques used in this study were MTT assay, RT-PCR, and flow cytometry. RESULTS The apoptosis and proliferation rates in CD44 siRNA-treated cells were higher and lower, respectively, compared to untreated cells. Also, cell migration was less in treated cells compared to untreated cells. CD44 siRNA also decreased the expression of CXCR4, c-myc, Vimentin, ROCK, and MMP-9. CONCLUSION Finally, CD44 targeting can be a good treatment option to make BC cells more sensitive to apoptosis.
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Affiliation(s)
| | - Saeed Noorolyai
- Immunology Research Center, Tabriz University of Medical Sciences, Daneshghah Ave, Tabriz, Iran
| | - Elham Baghbani
- Immunology Research Center, Tabriz University of Medical Sciences, Daneshghah Ave, Tabriz, Iran
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nilofar Moghaddamneshat
- Department of Biology, Faculty of Basic Science, Islamic Azad University of Center Tehran Branch, Tehran, Iran
| | - Tohid Javaheri
- Young Researchers and Elites Club, Islamic Azad University, Mashhad Branch, Mashhad, Iran
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Daneshghah Ave, Tabriz, Iran.
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3
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De Martini LB, Sulmona C, Brambilla L, Rossi D. Cell-Penetrating Peptides as Valuable Tools for Nose-to-Brain Delivery of Biological Drugs. Cells 2023; 12:1643. [PMID: 37371113 DOI: 10.3390/cells12121643] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 06/13/2023] [Accepted: 06/13/2023] [Indexed: 06/29/2023] Open
Abstract
Due to their high specificity toward the target and their low toxicity, biological drugs have been successfully employed in a wide range of therapeutic areas. It is yet to be mentioned that biologics exhibit unfavorable pharmacokinetic properties, are susceptible to degradation by endogenous enzymes, and cannot penetrate biological barriers such as the blood-brain barrier (i.e., the major impediment to reaching the central nervous system (CNS)). Attempts to overcome these issues have been made by exploiting the intracerebroventricular and intrathecal routes of administration. The invasiveness and impracticality of these procedures has, however, prompted the development of novel drug delivery strategies including the intranasal route of administration. This represents a non-invasive way to achieve the CNS, reducing systemic exposure. Nonetheless, biotherapeutics strive to penetrate the nasal epithelium, raising the possibility that direct delivery to the nervous system may not be straightforward. To maximize the advantages of the intranasal route, new approaches have been proposed including the use of cell-penetrating peptides (CPPs) and CPP-functionalized nanosystems. This review aims at describing the most impactful attempts in using CPPs as carriers for the nose-to-brain delivery of biologics by analyzing their positive and negative aspects.
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Affiliation(s)
- Lisa Benedetta De Martini
- Laboratory for Research on Neurodegenerative Disorders, Istituti Clinici Scientifici Maugeri-IRCCS, 27100 Pavia, Italy
| | - Claudia Sulmona
- Laboratory for Research on Neurodegenerative Disorders, Istituti Clinici Scientifici Maugeri-IRCCS, 27100 Pavia, Italy
| | - Liliana Brambilla
- Laboratory for Research on Neurodegenerative Disorders, Istituti Clinici Scientifici Maugeri-IRCCS, 27100 Pavia, Italy
| | - Daniela Rossi
- Laboratory for Research on Neurodegenerative Disorders, Istituti Clinici Scientifici Maugeri-IRCCS, 27100 Pavia, Italy
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4
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Nhàn NTT, Maidana DE, Yamada KH. Ocular Delivery of Therapeutic Agents by Cell-Penetrating Peptides. Cells 2023; 12:1071. [PMID: 37048144 PMCID: PMC10093283 DOI: 10.3390/cells12071071] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 03/28/2023] [Accepted: 03/30/2023] [Indexed: 04/05/2023] Open
Abstract
Cell-penetrating peptides (CPPs) are short peptides with the ability to translocate through the cell membrane to facilitate their cellular uptake. CPPs can be used as drug-delivery systems for molecules that are difficult to uptake. Ocular drug delivery is challenging due to the structural and physiological complexity of the eye. CPPs may be tailored to overcome this challenge, facilitating cellular uptake and delivery to the targeted area. Retinal diseases occur at the posterior pole of the eye; thus, intravitreal injections are needed to deliver drugs at an effective concentration in situ. However, frequent injections have risks of causing vision-threatening complications. Recent investigations have focused on developing long-acting drugs and drug delivery systems to reduce the frequency of injections. In fact, conjugation with CPP could deliver FDA-approved drugs to the back of the eye, as seen by topical application in animal models. This review summarizes recent advances in CPPs, protein/peptide-based drugs for eye diseases, and the use of CPPs for drug delivery based on systematic searches in PubMed and clinical trials. We highlight targeted therapies and explore the potential of CPPs and peptide-based drugs for eye diseases.
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Affiliation(s)
- Nguyễn Thị Thanh Nhàn
- Department of Pharmacology and Regenerative Medicine, University of Illinois College of Medicine, Chicago, IL 60612, USA;
| | - Daniel E. Maidana
- Department of Ophthalmology and Visual Sciences, University of Illinois College of Medicine, Chicago, IL 60612, USA;
- Department of Physiology and Biophysics, University of Illinois College of Medicine, Chicago, IL 60612, USA
| | - Kaori H. Yamada
- Department of Pharmacology and Regenerative Medicine, University of Illinois College of Medicine, Chicago, IL 60612, USA;
- Department of Ophthalmology and Visual Sciences, University of Illinois College of Medicine, Chicago, IL 60612, USA;
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5
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The potential of RNA-based therapy for kidney diseases. Pediatr Nephrol 2023; 38:327-344. [PMID: 35507149 PMCID: PMC9066145 DOI: 10.1007/s00467-021-05352-w] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 10/29/2021] [Accepted: 10/29/2021] [Indexed: 01/10/2023]
Abstract
Inherited kidney diseases (IKDs) are a large group of disorders affecting different nephron segments, many of which progress towards kidney failure due to the absence of curative therapies. With the current advances in genetic testing, the understanding of the molecular basis and pathophysiology of these disorders is increasing and reveals new potential therapeutic targets. RNA has revolutionized the world of molecular therapy and RNA-based therapeutics have started to emerge in the kidney field. To apply these therapies for inherited kidney disorders, several aspects require attention. First, the mRNA must be combined with a delivery vehicle that protects the oligonucleotides from degradation in the blood stream. Several types of delivery vehicles have been investigated, including lipid-based, peptide-based, and polymer-based ones. Currently, lipid nanoparticles are the most frequently used formulation for systemic siRNA and mRNA delivery. Second, while the glomerulus and tubules can be reached by charge- and/or size-selectivity, delivery vehicles can also be equipped with antibodies, antibody fragments, targeting peptides, carbohydrates or small molecules to actively target receptors on the proximal tubule epithelial cells, podocytes, mesangial cells or the glomerular endothelium. Furthermore, local injection strategies can circumvent the sequestration of RNA formulations in the liver and physical triggers can also enhance kidney-specific uptake. In this review, we provide an overview of current and potential future RNA-based therapies and targeting strategies that are in development for kidney diseases, with particular interest in inherited kidney disorders.
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6
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Peng YY, Hu H, Diaz-Dussan D, Zhao J, Hao X, Narain R. Glycopolymer-Cell-Penetrating Peptide (CPP) Conjugates for Efficient Epidermal Growth Factor Receptor (EGFR) Silencing. ACS Macro Lett 2022; 11:580-587. [PMID: 35575337 DOI: 10.1021/acsmacrolett.2c00046] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Overexpression of epidermal growth factor receptor (EGFR) is observed in multiple cancers such as colorectal, lung, and cervical solid tumors. Regulating the EGFR expression is an efficient strategy to manage these malignancies, and it can be achieved by using short interfering RNA (siRNA). Cell-penetrating peptides (CPPs) demonstrated an excellent capability to enhance the cellular uptake of siRNA, but high knockdown efficiencies have not been achieved due to endosomal entrapment. In this work, Schiff's base reaction was used to modify a block {P[LAEMA(2-lactobionamidoethyl methacrylamide)37]-b-P[FPMA(4-formyl phenyl methacrylate)2-st-DMA(N,N-dimethylacrylamide)2], P2} and two statistical [P(LAEMA23-st-FPMA3) (P3) and P(LAEMA25-st-FPMA2-st-DMA2) (P4)] aldehyde-based and galactose-based polymers, prepared via reversible addition-fragmentation chain-transfer (RAFT) polymerization. An arginine-rich peptide (ARP, KRRKRRRRRK) was used as a cell-penetrating peptide (CPP) and conjugated to the polymers via a Schiff base reaction. The resulting glycopolymer-peptide conjugates were utilized to condense the siRNA to prepare polyplexes with multivalent CPPs (MCPPs, a nanoparticle with multiple copies of the CPP) to enhance the endosomal escape. The polyplexes have different surface properties as determined by the architecture of polymers and the insertion of dimethyl amide moieties. The enhancement of cellular internalization of ARP was observed by labeling the polyplexes with fluorescein isothiocyanate (FITC)-siRNA showing a localization of polyplexes in the cytoplasm of a HeLa (cervical cancer) cell line. In the in vitro EFGR silencing study, the statistical glycopolymer-peptide (P3-P) polyplexes had superior EGFR silencing efficiency in comparison with the other polymers that were studied. Furthermore, P3-P polyplexes led to less off-targeting silencing than lipofectamine 3000. These encouraging results confirmed the potency of decorating galactose-based polymers with CPP, like ARP for their application in siRNA delivery and management of cervical carcinomas.
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Affiliation(s)
- Yi-Yang Peng
- Department of Chemical & Materials Engineering, University of Alberta, Edmonton T6G 1H9, Alberta Canada
| | - Haimei Hu
- The Commonwealth Scientific and Industrial Research Organization, Clayton, Victoria 3168, Australia
- School of Biosciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, Guangdong 51006, China
| | - Diana Diaz-Dussan
- Department of Chemical & Materials Engineering, University of Alberta, Edmonton T6G 1H9, Alberta Canada
| | - Jianyang Zhao
- The Commonwealth Scientific and Industrial Research Organization, Clayton, Victoria 3168, Australia
- Institute for Frontier Materials, Deakin University, Geelong, Victoria 3216, Australia
| | - Xiaojuan Hao
- The Commonwealth Scientific and Industrial Research Organization, Clayton, Victoria 3168, Australia
| | - Ravin Narain
- Department of Chemical & Materials Engineering, University of Alberta, Edmonton T6G 1H9, Alberta Canada
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Lee JY, Lee DW, Jo BS, Park KS, Park YS, Chung CP, Park YJ. Engineered synthetic cell penetrating peptide with intracellular anti-inflammatory bioactivity: An in vitro and in vivo study. J Biomed Mater Res A 2021; 109:2001-2016. [PMID: 33818867 DOI: 10.1002/jbm.a.37192] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 12/29/2020] [Accepted: 03/24/2021] [Indexed: 12/26/2022]
Abstract
Various biomaterials have been used for bone and cartilage regeneration, and inflammation associated with biomaterial implantation is also increased. A 15-mer synthetic anti-inflammatory peptide (SAP15) was designed from human β-defensin 3 to penetrate cells and induce intracellular downregulation of inflammation. The downregulation of inflammation was achieved by the binding of SAP15 to intracellular histone deacetylase (HDAC5). SAP15-mediated inhibition of inflammation was examined in vitro and in vivo using murine macrophages, human articular chondrocytes, and a collagen-induced arthritis (CIA) rat model. Surface plasmon resonance and immunoprecipitation assays indicated that SAP15 binds to HDAC5. SAP15 inhibited the lipopolysaccharide (LPS)-induced phosphorylation of intracellular HDAC5 and NF-κB p65 in murine macrophages. SAP15 treatment increased aggrecan and type II collagen expression and decreased osteocalcin expression in LPS-induced chondrocytes. Subcutaneous injection of SAP15-loaded sodium hyaluronic acid (HA) solution significantly decreased hind paw swelling, joint inflammation, and serum cytokine levels in CIA rats compared with the effects of sodium HA solution alone. The SAP15-loaded HA group exhibited preservation of cartilage and bone structure in CIA rat joints. Moreover, a more robust anti-inflammatory effect of the SAP15 loaded HA was observed than that of etanercept (an anti-tumor necrosis factor-alpha [TNF-α] antibody)-loaded HA. These findings suggest that SAP15 has an anti-inflammatory effect that is not controlled by sodium HA and is mediated by inhibiting HDAC5, unlike the anti-inflammatory mechanism of etanercept. These results demonstrate that SAP15 is useful as an inflammatory regulator of biomaterials and can be developed as a therapeutic for the treatment of inflammation.
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Affiliation(s)
- Jue-Yeon Lee
- Research Institute, Nano Intelligent Biomedical Engineering Corporation (NIBEC), Seoul, Republic of Korea
| | - Dong Woo Lee
- Research Institute, Nano Intelligent Biomedical Engineering Corporation (NIBEC), Seoul, Republic of Korea
| | - Beom Soo Jo
- Research Institute, Nano Intelligent Biomedical Engineering Corporation (NIBEC), Seoul, Republic of Korea
| | - Kwang-Sook Park
- Dental Regenerative Biotechnology, Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Republic of Korea
| | - Yoon Shin Park
- Major in Microbiology, School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju-si, Republic of Korea
| | - Chong Pyung Chung
- Research Institute, Nano Intelligent Biomedical Engineering Corporation (NIBEC), Seoul, Republic of Korea
| | - Yoon Jeong Park
- Research Institute, Nano Intelligent Biomedical Engineering Corporation (NIBEC), Seoul, Republic of Korea
- Dental Regenerative Biotechnology, Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Republic of Korea
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8
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Choi DH, Lee KE, Park J, Park YJ, Lee JY, Park YS. Cell-Permeable Oct4 Gene Delivery Enhances Stem Cell-like Properties of Mouse Embryonic Fibroblasts. Int J Mol Sci 2021; 22:9357. [PMID: 34502264 PMCID: PMC8430778 DOI: 10.3390/ijms22179357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 08/26/2021] [Indexed: 11/17/2022] Open
Abstract
Direct conversion of one cell type into another is a trans-differentiation process. Recent advances in fibroblast research revealed that epithelial cells can give rise to fibroblasts by epithelial-mesenchymal transition. Conversely, fibroblasts can also give rise to epithelia by undergoing a mesenchymal to epithelial transition. To elicit stem cell-like properties in fibroblasts, the Oct4 transcription factor acts as a master transcriptional regulator for reprogramming somatic cells. Notably, the production of gene complexes with cell-permeable peptides, such as low-molecular-weight protamine (LMWP), was proposed to induce reprogramming without cytotoxicity and genomic mutation. We designed a complex with non-cytotoxic LMWP to prevent the degradation of Oct4 and revealed that the positively charged cell-permeable LMWP helped condense the size of the Oct4-LMWP complexes (1:5 N:P ratio). When the Oct4-LMWP complex was delivered into mouse embryonic fibroblasts (MEFs), stemness-related gene expression increased while fibroblast intrinsic properties decreased. We believe that the Oct4-LMWP complex developed in this study can be used to reprogram terminally differentiated somatic cells or convert them into stem cell-like cells without risk of cell death, improving the stemness level and stability of existing direct conversion techniques.
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Affiliation(s)
- Da Hyeon Choi
- Department of Biological Sciences and Biotechnology, School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju 28644, Korea; (D.H.C.); (K.E.L.); (J.P.)
| | - Kyeong Eun Lee
- Department of Biological Sciences and Biotechnology, School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju 28644, Korea; (D.H.C.); (K.E.L.); (J.P.)
| | - Jiwon Park
- Department of Biological Sciences and Biotechnology, School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju 28644, Korea; (D.H.C.); (K.E.L.); (J.P.)
| | - Yoon Jeong Park
- Department of Dental Regenerative Bioengineering and Dental Research Institute, School of Dentistry, Seoul National University, Seoul 03080, Korea;
- Central Research Institute, Nano Intelligent Biomedical Engineering Corporation (NIBEC), School of Dentistry, Seoul National University, Seoul 03080, Korea;
| | - Jue-Yeon Lee
- Central Research Institute, Nano Intelligent Biomedical Engineering Corporation (NIBEC), School of Dentistry, Seoul National University, Seoul 03080, Korea;
| | - Yoon Shin Park
- Department of Biological Sciences and Biotechnology, School of Biological Sciences, College of Natural Sciences, Chungbuk National University, Cheongju 28644, Korea; (D.H.C.); (K.E.L.); (J.P.)
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Reissmann S, Filatova MP. New generation of cell‐penetrating peptides: Functionality and potential clinical application. J Pept Sci 2021; 27:e3300. [DOI: 10.1002/psc.3300] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 01/06/2021] [Accepted: 01/11/2021] [Indexed: 12/19/2022]
Affiliation(s)
- Siegmund Reissmann
- Faculty of Biological Sciences, Institute of Biochemistry and Biophysics Friedrich Schiller University Dornburger Str. 25 Jena Thueringia 07743 Germany
| | - Margarita P. Filatova
- Shemyakin‐Ovchinnikov Institute of Bioorganic Chemistry Russian Academy of Sciences Moscow Russia
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Duan H, Liu Y, Gao Z, Huang W. Recent advances in drug delivery systems for targeting cancer stem cells. Acta Pharm Sin B 2021; 11:55-70. [PMID: 33532180 PMCID: PMC7838023 DOI: 10.1016/j.apsb.2020.09.016] [Citation(s) in RCA: 118] [Impact Index Per Article: 39.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 06/25/2020] [Accepted: 07/12/2020] [Indexed: 02/07/2023] Open
Abstract
Cancer stem cells (CSCs) are a subpopulation of cancer cells with functions similar to those of normal stem cells. Although few in number, they are capable of self-renewal, unlimited proliferation, and multi-directional differentiation potential. In addition, CSCs have the ability to escape immune surveillance. Thus, they play an important role in the occurrence and development of tumors, and they are closely related to tumor invasion, metastasis, drug resistance, and recurrence after treatment. Therefore, specific targeting of CSCs may improve the efficiency of cancer therapy. A series of corresponding promising therapeutic strategies based on CSC targeting, such as the targeting of CSC niche, CSC signaling pathways, and CSC mitochondria, are currently under development. Given the rapid progression in this field and nanotechnology, drug delivery systems (DDSs) for CSC targeting are increasingly being developed. In this review, we summarize the advances in CSC-targeted DDSs. Furthermore, we highlight the latest developmental trends through the main line of CSC occurrence and development process; some considerations about the rationale, advantages, and limitations of different DDSs for CSC-targeted therapies were discussed.
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Key Words
- ABC, ATP binding cassette
- AFN, apoferritin
- ALDH, aldehyde dehydrogenase
- BM-MSCs-derived Exos, bone marrow mesenchymal stem cells-derived exosomes
- Biomarker
- CAFs, cancer-associated fibroblasts
- CL-siSOX2, cationic lipoplex of SOX2 small interfering RNA
- CMP, carbonate-mannose modified PEI
- CQ, chloroquine
- CSCs, cancer stem cells
- Cancer stem cells
- Cancer treatment
- Cellular level
- DCLK1, doublecortin-like kinase 1
- DDSs, drug delivery systems
- DLE, drug loading efficiency
- DOX, doxorubicin
- DQA-PEG2000-DSPE, dequlinium and carboxyl polyethylene glycol-distearoylphosphatidylethanolamine
- Dex, dexamethasone
- Drug delivery systems
- ECM, extracellular matrix
- EMT, epithelial–mesenchymal transition
- EPND, nanodiamond-Epirubicin drug complex
- EpCAM, epithelial cell adhesion molecule
- GEMP, gemcitabine monophosphate
- GLUT1, glucose ligand to the glucose transporter 1
- Glu, glucose
- HCC, hepatocellular carcinoma
- HH, Hedgehog
- HIF1α, hypoxia-inducible factor 1-alpha
- HNSCC, head and neck squamous cell carcinoma
- IONP, iron oxide nanoparticle
- LAC, lung adenocarcinoma
- LNCs, lipid nanocapsules
- MAPK, mitogen-activated protein kinase
- MB, methylene blue
- MDR, multidrug resistance
- MNP, micellar nanoparticle
- MSNs, mesoporous silica nanoparticles
- Molecular level
- NF-κB, nuclear factor-kappa B
- Nav, navitoclax
- Niche
- PBAEs, poly(β-aminoester)
- PDT, photodynamic therapy
- PEG-PCD, poly(ethylene glycol)-block-poly(2-methyl-2-carboxyl-propylene carbonate-graft-dodecanol)
- PEG-PLA, poly(ethylene glycol)-b-poly(d,l-lactide)
- PEG-b-PLA, poly(ethylene glycol)-block-poly(d,l-lactide)
- PLGA, poly(ethylene glycol)-poly(d,l-lactide-co-glycolide)
- PTX, paclitaxel
- PU-PEI, polyurethane-short branch-polyethylenimine
- SLNs, solid lipid nanoparticles
- SSCs, somatic stem cells
- Sali-ABA, 4-(aminomethyl) benzaldehyde-modified Sali
- TNBC, triple negative breast cancer
- TPZ, tirapazamine
- Targeting strategies
- cRGD, cyclic Arg-Gly-Asp
- iTEP, immune-tolerant, elastin-like polypeptide
- mAbs, monoclonal antibodies
- mPEG-b-PCC-g-GEM-g-DC-g-CAT, poly(ethylene glycol)-block-poly(2-methyl-2-carboxyl-propylenecarbonate-graft-dodecanol-graft-cationic ligands)
- ncRNA, non-coding RNAs
- uPAR, urokinase plasminogen activator receptor
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Affiliation(s)
- Hongxia Duan
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Department of Pharmaceutics, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Beijing Key Laboratory of Drug Delivery Technology and Novel Formulations, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Yanhong Liu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Department of Pharmaceutics, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Beijing Key Laboratory of Drug Delivery Technology and Novel Formulations, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Zhonggao Gao
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Department of Pharmaceutics, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Beijing Key Laboratory of Drug Delivery Technology and Novel Formulations, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Wei Huang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Department of Pharmaceutics, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Beijing Key Laboratory of Drug Delivery Technology and Novel Formulations, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
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11
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In Vitro Assays: Friends or Foes of Cell-Penetrating Peptides. Int J Mol Sci 2020; 21:ijms21134719. [PMID: 32630650 PMCID: PMC7369778 DOI: 10.3390/ijms21134719] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 06/24/2020] [Accepted: 07/01/2020] [Indexed: 12/20/2022] Open
Abstract
The cell membrane is a complex and highly regulated system that is composed of lipid bilayer and proteins. One of the main functions of the cell membrane is the regulation of cell entry. Cell-penetrating peptides (CPPs) are defined as peptides that can cross the plasma membrane and deliver their cargo inside the cell. The uptake of a peptide is determined by its sequence and biophysicochemical properties. At the same time, the uptake mechanism and efficiency are shown to be dependent on local peptide concentration, cell membrane lipid composition, characteristics of the cargo, and experimental methodology, suggesting that a highly efficient CPP in one system might not be as productive in another. To better understand the dependence of CPPs on the experimental system, we present a review of the in vitro assays that have been employed in the literature to evaluate CPPs and CPP-cargos. Our comprehensive review suggests that utilization of orthogonal assays will be more effective for deciphering the true ability of CPPs to translocate through the membrane and enter the cell cytoplasm.
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Taylor RE, Zahid M. Cell Penetrating Peptides, Novel Vectors for Gene Therapy. Pharmaceutics 2020; 12:E225. [PMID: 32138146 PMCID: PMC7150854 DOI: 10.3390/pharmaceutics12030225] [Citation(s) in RCA: 94] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 02/27/2020] [Accepted: 03/01/2020] [Indexed: 12/31/2022] Open
Abstract
Cell penetrating peptides (CPPs), also known as protein transduction domains (PTDs), first identified ~25 years ago, are small, 6-30 amino acid long, synthetic, or naturally occurring peptides, able to carry variety of cargoes across the cellular membranes in an intact, functional form. Since their initial description and characterization, the field of cell penetrating peptides as vectors has exploded. The cargoes they can deliver range from other small peptides, full-length proteins, nucleic acids including RNA and DNA, liposomes, nanoparticles, and viral particles as well as radioisotopes and other fluorescent probes for imaging purposes. In this review, we will focus briefly on their history, classification system, and mechanism of transduction followed by a summary of the existing literature on use of CPPs as gene delivery vectors either in the form of modified viruses, plasmid DNA, small interfering RNA, oligonucleotides, full-length genes, DNA origami or peptide nucleic acids.
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Affiliation(s)
- Rebecca E. Taylor
- Mechanical Engineering, Biomedical Engineering and Electrical and Computer Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, USA;
| | - Maliha Zahid
- Department of Developmental Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15201, USA
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Yang F, Zheng Z, Xue X, Zheng L, Qin J, Li H, Zhou Y, Fang G. Targeted eradication of gastric cancer stem cells by CD44 targeting USP22 small interfering RNA-loaded nanoliposomes. Future Oncol 2018; 15:281-295. [PMID: 30543303 DOI: 10.2217/fon-2018-0295] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
AIM USP22, a member of ubiquitin-specific proteases (USPs), is a well-defined protein that promotes poor prognosis, invasion and metastasis, and also participates in the maintenance of cancer stem cells. USP22 siRNA-loaded nanoliposomes conjugated with CD44 antibodies (USP22-NLs-CD44) were constructed to enhance the therapeutic effect of USP22 siRNA against gastric cancer stem cells. MATERIALS & METHODS The targeting and therapeutic efficacies of USP22-NLs-CD44 against gastric cancer stem cells were evaluated. RESULTS & CONCLUSION USP22-NLs-CD44 was demonstrated to be able to effectively deliver USP22 siRNA to CD44+ gastric cancer stem cells, achieving superior therapeutic effects against CD44+ gastric cancer stem cells than nontargeted nanoliposomes. USP22-NLs-CD44 may provide a novel approach to eradicate gastric cancer stem cells in the near future.
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Affiliation(s)
- Feng Yang
- Department of General Surgery, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, 700 Moyubei Road, Shanghai 201805, PR China
| | - Zhi Zheng
- Department of General Surgery, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, 700 Moyubei Road, Shanghai 201805, PR China
| | - Xuchao Xue
- Department of General Surgery, Changhai Hospital, Second Military Medical University, 168 Changhai Road, Shanghai 200433, PR China
| | - Luming Zheng
- Department of General Surgery, General Hospital of Jinan Military Area, 25 Shifan Road, Jinan 250031, PR China
| | - Jianmin Qin
- Department of General Surgery, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, 700 Moyubei Road, Shanghai 201805, PR China
| | - Haijia Li
- Department of General Surgery, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, 700 Moyubei Road, Shanghai 201805, PR China
| | - Yuhong Zhou
- Department of General Surgery, Changhai Hospital, Second Military Medical University, 168 Changhai Road, Shanghai 200433, PR China
| | - Guoen Fang
- Department of General Surgery, Changhai Hospital, Second Military Medical University, 168 Changhai Road, Shanghai 200433, PR China
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Yang F, Zheng Z, Zheng L, Qin J, Li H, Xue X, Gao J, Fang G. SATB1 siRNA-encapsulated immunoliposomes conjugated with CD44 antibodies target and eliminate gastric cancer-initiating cells. Onco Targets Ther 2018; 11:6811-6825. [PMID: 30349314 PMCID: PMC6188175 DOI: 10.2147/ott.s182437] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Purpose Gastric cancer, the cancer initiated from the stomach, is ranked as the third most
frequent reason of cancer death worldwide. Gastric cancer-initiating cells (CICs) are
one of the crucial causes for the metastasis and recurrence of gastric cancer, and CD44
is considered to be one marker for gastric CICs. Special AT-rich sequence binding
protein 1 (SATB1) is a protein that promotes cancer progression, metastasis, and
invasion and also participates in the maintenance of CICs. In this study, we
investigated the therapeutic effect of SATB1 siRNA against gastric CICs and we
constructed SATB1 siRNA-encapsulated immunoliposomes conjugated with CD44 antibodies
(CD44-SATB1-ILs) to enhance the therapeutic effect of SATB1 siRNA against gastric
CICs. Methods We investigated the therapeutic effect of the SATB1 suppression by SATB1 siRNA on
CD44+ gastric CICs. CD44-SATB1-ILs were developed by the
lyophilization/hydration approach. The targeting and cytotoxic effect of CD44-SATB1-ILs
toward gastric CICs were evaluated in vitro. Results In this study, for the first time, we confirmed that SATB1 suppression by SATB1 siRNA
preferentially eliminated CD44+ gastric CICs. The results showed that
CD44-SATB1-ILs could efficiently and specifically promote the SATB1 siRNA delivery to
CD44+ gastric CICs, achieving superior therapeutic effects against
CD44+ gastric CICs than non-targeted liposomes. Conclusion As far as we know, our report is the first research that indicated the promotion of
siRNA delivery via nanoparticles to gastric CICs and achievement of superior therapeutic
effect against gastric CICs by utilization of CD44 antibody. Therefore, CD44-SATB1-ILs
represent an up-and-coming approach for eliminating gastric CICs and also a promising
treatment for therapy of gastric cancer.
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Affiliation(s)
- Feng Yang
- Department of General Surgery, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai 201805, People's Republic of China,
| | - Zhi Zheng
- Department of General Surgery, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai 201805, People's Republic of China,
| | - Luming Zheng
- Department of General Surgery, General Hospital of Jinan Military Area, Jinan 250031, People's Republic of China
| | - Jianmin Qin
- Department of General Surgery, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai 201805, People's Republic of China,
| | - Haijia Li
- Department of General Surgery, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai 201805, People's Republic of China,
| | - Xuchao Xue
- Department of General Surgery, Changhai Hospital, Second Military Medical University, Shanghai 200433, People's Republic of China,
| | - Jie Gao
- Department of Pharmaceutical Science, College of Pharmacy, Second Military Medical University, Shanghai 200433, People's Republic of China
| | - Guoen Fang
- Department of General Surgery, Changhai Hospital, Second Military Medical University, Shanghai 200433, People's Republic of China,
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