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Kachanov A, Kostyusheva A, Brezgin S, Karandashov I, Ponomareva N, Tikhonov A, Lukashev A, Pokrovsky V, Zamyatnin AA, Parodi A, Chulanov V, Kostyushev D. The menace of severe adverse events and deaths associated with viral gene therapy and its potential solution. Med Res Rev 2024; 44:2112-2193. [PMID: 38549260 DOI: 10.1002/med.22036] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 03/05/2024] [Accepted: 03/07/2024] [Indexed: 08/09/2024]
Abstract
Over the past decade, in vivo gene replacement therapy has significantly advanced, resulting in market approval of numerous therapeutics predominantly relying on adeno-associated viral vectors (AAV). While viral vectors have undeniably addressed several critical healthcare challenges, their clinical application has unveiled a range of limitations and safety concerns. This review highlights the emerging challenges in the field of gene therapy. At first, we discuss both the role of biological barriers in viral gene therapy with a focus on AAVs, and review current landscape of in vivo human gene therapy. We delineate advantages and disadvantages of AAVs as gene delivery vehicles, mostly from the safety perspective (hepatotoxicity, cardiotoxicity, neurotoxicity, inflammatory responses etc.), and outline the mechanisms of adverse events in response to AAV. Contribution of every aspect of AAV vectors (genomic structure, capsid proteins) and host responses to injected AAV is considered and substantiated by basic, translational and clinical studies. The updated evaluation of recent AAV clinical trials and current medical experience clearly shows the risks of AAVs that sometimes overshadow the hopes for curing a hereditary disease. At last, a set of established and new molecular and nanotechnology tools and approaches are provided as potential solutions for mitigating or eliminating side effects. The increasing number of severe adverse reactions and, sadly deaths, demands decisive actions to resolve the issue of immune responses and extremely high doses of viral vectors used for gene therapy. In response to these challenges, various strategies are under development, including approaches aimed at augmenting characteristics of viral vectors and others focused on creating secure and efficacious non-viral vectors. This comprehensive review offers an overarching perspective on the present state of gene therapy utilizing both viral and non-viral vectors.
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Affiliation(s)
- Artyom Kachanov
- Martsinovsky Institute of Medical Parasitology, Tropical and Vector-Borne Diseases, Sechenov University, Moscow, Russia
| | - Anastasiya Kostyusheva
- Martsinovsky Institute of Medical Parasitology, Tropical and Vector-Borne Diseases, Sechenov University, Moscow, Russia
| | - Sergey Brezgin
- Martsinovsky Institute of Medical Parasitology, Tropical and Vector-Borne Diseases, Sechenov University, Moscow, Russia
- Division of Biotechnology, Scientific Center for Genetics and Life Sciences, Sirius University of Science and Technology, Sochi, Russia
| | - Ivan Karandashov
- Martsinovsky Institute of Medical Parasitology, Tropical and Vector-Borne Diseases, Sechenov University, Moscow, Russia
| | - Natalia Ponomareva
- Martsinovsky Institute of Medical Parasitology, Tropical and Vector-Borne Diseases, Sechenov University, Moscow, Russia
- Division of Biotechnology, Scientific Center for Genetics and Life Sciences, Sirius University of Science and Technology, Sochi, Russia
| | - Andrey Tikhonov
- Martsinovsky Institute of Medical Parasitology, Tropical and Vector-Borne Diseases, Sechenov University, Moscow, Russia
| | - Alexander Lukashev
- Martsinovsky Institute of Medical Parasitology, Tropical and Vector-Borne Diseases, Sechenov University, Moscow, Russia
| | - Vadim Pokrovsky
- Laboratory of Biochemical Fundamentals of Pharmacology and Cancer Models, Blokhin Cancer Research Center, Moscow, Russia
- Department of Biochemistry, People's Friendship University, Russia (RUDN University), Moscow, Russia
| | - Andrey A Zamyatnin
- Division of Biotechnology, Scientific Center for Genetics and Life Sciences, Sirius University of Science and Technology, Sochi, Russia
- Faculty of Bioengineering and Bioinformatics, Lomonosov Moscow State University, Moscow, Russia
- Belozersky Research, Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Alessandro Parodi
- Division of Biotechnology, Scientific Center for Genetics and Life Sciences, Sirius University of Science and Technology, Sochi, Russia
| | - Vladimir Chulanov
- Division of Biotechnology, Scientific Center for Genetics and Life Sciences, Sirius University of Science and Technology, Sochi, Russia
- Faculty of Infectious Diseases, Sechenov University, Moscow, Russia
| | - Dmitry Kostyushev
- Martsinovsky Institute of Medical Parasitology, Tropical and Vector-Borne Diseases, Sechenov University, Moscow, Russia
- Division of Biotechnology, Scientific Center for Genetics and Life Sciences, Sirius University of Science and Technology, Sochi, Russia
- Faculty of Bioengineering and Bioinformatics, Lomonosov Moscow State University, Moscow, Russia
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Phairuang W, Chetiyanukornkul T, Suriyawong P, Amin M, Hata M, Furuuchi M, Yamazaki M, Gotoh N, Furusho H, Yurtsever A, Watanabe S, Sun L. Characterizing Chemical, Environmental, and Stimulated Subcellular Physical Characteristics of Size-Fractionated PMs Down to PM 0.1. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:12368-12378. [PMID: 38963641 DOI: 10.1021/acs.est.4c01604] [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: 07/05/2024]
Abstract
Air pollution, especially particulate matter (PM), is a significant environmental pollution worldwide. Studying the chemical, environmental, and life-related cellular physical characteristics of size-fractionated PMs is important because of their different degrees of harmful effects on human respiratory tracts and organ systems, causing severe diseases. This study evaluates the chemical components of size-fractionated PMs down to PM0.1 collected during a biomass-burning episode, including elemental/organic carbon and trace elements. Single particle sizes and distributions of PM0.1, PM0.5-0.1, PM1.0-0.5, and PM2.5-1.0 were analyzed by scanning electron microscopy and Zeta sizer. Two commonly used cell lines, e.g., HeLa and Cos7 cells, and two respiratory-related cell lines including lung cancer/normal cells were utilized for cell cytotoxicity experiments, revealing the key effects of particle sizes and concentrations. A high-speed scanning ion conductance microscope explored particle-stimulated subcellular physical characteristics for all cell lines in dynamics, including surface roughness (SR) and elastic modulus (E). The statistical results of SR showed distinct features among different particle sizes and cell types while a E reduction was universally found. This work provides a comprehensive understanding of the chemical, environmental, and cellular physical characteristics of size-fractionated PMs and sheds light on the necessity of controlling small-sized PM exposures.
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Affiliation(s)
- Worradorn Phairuang
- Faculty of Geosciences and Civil Engineering, Institute of Science and Engineering, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
- Department of Geography, Faculty of Social Sciences, Chiang Mai University, Muang, Chiang Mai 50200, Thailand
| | | | - Phuchiwan Suriyawong
- Research Unit for Energy Economics and Ecological Management, Multidisciplinary Research Institute, Chiang Mai University, Muang, Chiang Mai 50200, Thailand
| | - Muhammad Amin
- Faculty of Geosciences and Civil Engineering, Institute of Science and Engineering, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
- Faculty of Engineering, Maritim University of Raja Ali Haji, Tanjung Pinang, Kepulauan Riau 29115, Indonesia
| | - Mitsuhiko Hata
- Faculty of Geosciences and Civil Engineering, Institute of Science and Engineering, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
| | - Masami Furuuchi
- Faculty of Geosciences and Civil Engineering, Institute of Science and Engineering, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
| | - Masahiro Yamazaki
- Division of Cancer Cell Biology, Cancer Research Institute, Kanazawa University, Kakumamachi, Ishikawa 920-1192, Japan
| | - Noriko Gotoh
- Division of Cancer Cell Biology, Cancer Research Institute, Kanazawa University, Kakumamachi, Ishikawa 920-1192, Japan
| | - Hirotoshi Furusho
- WPI Nano Life Science Institute (WPI-NanoLSI), Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
| | - Ayhan Yurtsever
- WPI Nano Life Science Institute (WPI-NanoLSI), Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
| | - Shinji Watanabe
- WPI Nano Life Science Institute (WPI-NanoLSI), Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
| | - Linhao Sun
- WPI Nano Life Science Institute (WPI-NanoLSI), Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
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Jallow AW, Nguyen DPQ, Sanotra MR, Hsu CH, Lin YF, Lin YF. A comprehensive bibliometric analysis of global research on the role of acrolein in Alzheimer's disease pathogenesis: involvement of amyloid-beta. Front Aging Neurosci 2024; 16:1378260. [PMID: 38784445 PMCID: PMC11111988 DOI: 10.3389/fnagi.2024.1378260] [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: 01/29/2024] [Accepted: 04/24/2024] [Indexed: 05/25/2024] Open
Abstract
Background Alzheimer's disease (AD) is a progressive neurodegenerative disorder characterized by cognitive and behavioral decline. Acrolein, an environmental pollutant and endogenous compound, is implicated in AD development. This research employs bibliometric analysis to assess current trends and key areas concerning acrolein-AD interaction. Methods The Web of Science was used to extensively review literature on acrolein and AD. Relevant data were systematically gathered and analyzed using VOSviewer, CiteSpace, and an online bibliometric tool. Results We identified 120 English publications in this specialized field across 19 journals. The Journal of Alzheimer's Disease was the most prominent. The primary contributors, both in terms of scientific output and influence, were the USA, the University of Kentucky, and Ramassamy C, representing countries/regions, institutions, and authors, respectively. In this field, the primary focus was on thoroughly studying acrolein, its roles, and its mechanisms in AD utilizing both in vivo and in vitro approaches. A significant portion of the research was based on proteomics, revealing complex molecular processes. The main focuses in the field were "oxidative stress," "lipid peroxidation," "amyloid-beta," and "cognitive impairment." Anticipated future research trajectories focus on the involvement of the internalization pathway, covering key areas such as synaptic dysfunction, metabolism, mechanisms, associations, neuroinflammation, inhibitors, tau phosphorylation, acrolein toxicity, brain infarction, antioxidants, chemistry, drug delivery, and dementia. Our analysis also supported our previous hypothesis that acrolein can interact with amyloid-beta to form a protein adduct leading to AD-like pathology and altering natural immune responses. Conclusion This study provides a broad and all-encompassing view of the topic, offering valuable insights and guidance to fellow researchers. These emerging directions underscore the continuous exploration of the complexities associated with AD. The analyses and findings aim to enhance our understanding of the intricate relationship between acrolein and AD for future research.
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Affiliation(s)
- Amadou Wurry Jallow
- Ph.D. Program in Medical Biotechnology, College of Medical Science and Technology, Taipei Medical University, New Taipei City, Taiwan
| | - Doan Phuong Quy Nguyen
- Ph.D. Program in Medical Biotechnology, College of Medical Science and Technology, Taipei Medical University, New Taipei City, Taiwan
- Institute of Biomedicine, Hue University of Medicine and Pharmacy, Hue University, Hue, Vietnam
- Department of Medical Genetics, Hue University of Medicine and Pharmacy, Hue University, Hue, Vietnam
| | | | - Chun-Hsien Hsu
- Department of Family Medicine, Heping Fuyou Branch, Taipei City Hospital, Taipei, Taiwan
- School of Medicine, College of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan
- Department of Exercise and Health Sciences, University of Taipei, Taipei, Taiwan
| | - Yi-Fang Lin
- Department of Laboratory Medicine, Taipei Medical University Shuang Ho Hospital, New Taipei City, Taiwan
| | - Yung-Feng Lin
- Ph.D. Program in Medical Biotechnology, College of Medical Science and Technology, Taipei Medical University, New Taipei City, Taiwan
- School of Medical Laboratory Science and Biotechnology, College of Medical Science and Technology, Taipei Medical University, New Taipei City, Taiwan
- Department of Laboratory Medicine, Taipei Medical University Hospital, Taipei, Taiwan
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Peng Y, Yang Z, Sun H, Li J, Lan X, Liu S. Nanomaterials in Medicine: Understanding Cellular Uptake, Localization, and Retention for Enhanced Disease Diagnosis and Therapy. Aging Dis 2024:AD.2024.0206-1. [PMID: 38421835 DOI: 10.14336/ad.2024.0206-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Accepted: 02/06/2024] [Indexed: 03/02/2024] Open
Abstract
Nanomaterials (NMs) have emerged as promising tools for disease diagnosis and therapy due to their unique physicochemical properties. To maximize the effectiveness and design of NMs-based medical applications, it is essential to comprehend the complex mechanisms of cellular uptake, subcellular localization, and cellular retention. This review illuminates the various pathways that NMs take to get from the extracellular environment to certain intracellular compartments by investigating the various mechanisms that underlie their interaction with cells. The cellular uptake of NMs involves complex interactions with cell membranes, encompassing endocytosis, phagocytosis, and other active transport mechanisms. Unique uptake patterns across cell types highlight the necessity for customized NMs designs. After internalization, NMs move through a variety of intracellular routes that affect where they are located subcellularly. Understanding these pathways is pivotal for enhancing the targeted delivery of therapeutic agents and imaging probes. Furthermore, the cellular retention of NMs plays a critical role in sustained therapeutic efficacy and long-term imaging capabilities. Factors influencing cellular retention include nanoparticle size, surface chemistry, and the cellular microenvironment. Strategies for prolonging cellular retention are discussed, including surface modifications and encapsulation techniques. In conclusion, a comprehensive understanding of the mechanisms governing cellular uptake, subcellular localization, and cellular retention of NMs is essential for advancing their application in disease diagnosis and therapy. This review provides insights into the intricate interplay between NMs and biological systems, offering a foundation for the rational design of next-generation nanomedicines.
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Affiliation(s)
- Yue Peng
- Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-constructed by the Province and Ministry, Guangxi Key Laboratory of Regenerative Medicine & Key Laboratory of Longevity and Aging-related Diseases of Chinese Ministry of Education, Guangxi Medical University, Nanning, Guangxi, China
- Guangxi Colleges and Universities Key Laboratory of Biological Molecular Medicine Research & Guangxi Key Laboratory of Brain Science, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi, China
| | - Zhengshuang Yang
- Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-constructed by the Province and Ministry, Guangxi Key Laboratory of Regenerative Medicine & Key Laboratory of Longevity and Aging-related Diseases of Chinese Ministry of Education, Guangxi Medical University, Nanning, Guangxi, China
- Guangxi Colleges and Universities Key Laboratory of Biological Molecular Medicine Research & Guangxi Key Laboratory of Brain Science, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi, China
| | - Hui Sun
- Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-constructed by the Province and Ministry, Guangxi Key Laboratory of Regenerative Medicine & Key Laboratory of Longevity and Aging-related Diseases of Chinese Ministry of Education, Guangxi Medical University, Nanning, Guangxi, China
- Guangxi Colleges and Universities Key Laboratory of Biological Molecular Medicine Research & Guangxi Key Laboratory of Brain Science, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi, China
| | - Jinling Li
- Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-constructed by the Province and Ministry, Guangxi Key Laboratory of Regenerative Medicine & Key Laboratory of Longevity and Aging-related Diseases of Chinese Ministry of Education, Guangxi Medical University, Nanning, Guangxi, China
- Guangxi Colleges and Universities Key Laboratory of Biological Molecular Medicine Research & Guangxi Key Laboratory of Brain Science, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi, China
| | - Xiuwan Lan
- Guangxi Colleges and Universities Key Laboratory of Biological Molecular Medicine Research & Guangxi Key Laboratory of Brain Science, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi, China
| | - Sijia Liu
- Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-constructed by the Province and Ministry, Guangxi Key Laboratory of Regenerative Medicine & Key Laboratory of Longevity and Aging-related Diseases of Chinese Ministry of Education, Guangxi Medical University, Nanning, Guangxi, China
- Guangxi Colleges and Universities Key Laboratory of Biological Molecular Medicine Research & Guangxi Key Laboratory of Brain Science, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Guangxi Medical University, Nanning, Guangxi, China
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Lee J, Lee H, Lee H, Shin M, Shin MG, Seo J, Lee EJ, Park SA, Park S. ANKS1A regulates LDL receptor-related protein 1 (LRP1)-mediated cerebrovascular clearance in brain endothelial cells. Nat Commun 2023; 14:8463. [PMID: 38123547 PMCID: PMC10733300 DOI: 10.1038/s41467-023-44319-3] [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: 11/10/2022] [Accepted: 12/08/2023] [Indexed: 12/23/2023] Open
Abstract
Brain endothelial LDL receptor-related protein 1 (LRP1) is involved in the clearance of Aβ peptides across the blood-brain barrier (BBB). Here we show that endothelial deficiency of ankyrin repeat and SAM domain containing 1 A (ANKS1A) reduces both the cell surface levels of LRP1 and the Aβ clearance across the BBB. Association of ANKS1A with the NPXY motifs of LRP1 facilitates the transport of LRP1 from the endoplasmic reticulum toward the cell surface. ANKS1A deficiency in an Alzheimer's disease mouse model results in exacerbated Aβ pathology followed by cognitive impairments. These deficits are reversible by gene therapy with brain endothelial-specific ANKS1A. In addition, human induced pluripotent stem cell-derived BBBs (iBBBs) were generated from endothelial cells lacking ANKS1A or carrying the rs6930932 variant. Those iBBBs exhibit both reduced cell surface LRP1 and impaired Aβ clearance. Thus, our findings demonstrate that ANKS1A regulates LRP1-mediated Aβ clearance across the BBB.
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Affiliation(s)
- Jiyeon Lee
- Department of Biological Sciences, Sookmyung Women's University, Seoul, 04310, Korea
| | - Haeryung Lee
- Department of Biological Sciences, Sookmyung Women's University, Seoul, 04310, Korea
| | - Hyein Lee
- Department of Brain Sciences, Daegu Gyeongbuk Institute of Science & Technology (DGIST), Daegu, 42988, Korea
| | - Miram Shin
- Department of Biological Sciences, Sookmyung Women's University, Seoul, 04310, Korea
| | - Min-Gi Shin
- Department of Brain Science, Ajou University School of Medicine, Suwon, 16499, Korea
| | - Jinsoo Seo
- Department of Brain Sciences, Daegu Gyeongbuk Institute of Science & Technology (DGIST), Daegu, 42988, Korea
| | - Eun Jeong Lee
- Department of Brain Science, Ajou University School of Medicine, Suwon, 16499, Korea
| | - Sun Ah Park
- Lab for Neurodegenerative Dementia, Department of Anatomy, and Department of Neurology, Ajou University School of Medicine, Suwon, 16499, Korea
| | - Soochul Park
- Department of Biological Sciences, Sookmyung Women's University, Seoul, 04310, Korea.
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Mandal T, Gupta S, Soni J. Simulation study of membrane bending by protein crowding: a case study with the epsin N-terminal homology domain. SOFT MATTER 2023. [PMID: 37376999 DOI: 10.1039/d3sm00280b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/29/2023]
Abstract
The mechanisms by which peripheral membrane proteins generate curvature is currently an active area of research. One of the proposed mechanisms is amphipathic insertion or the 'wedge' mechanism in which the protein shallowly inserts an amphipathic helix inside the membrane to drive the curvature. However, recent experimental studies have challenged the efficiency of the 'wedge' mechanism as it requires unusual protein densities. These studies proposed an alternative mechanism, namely 'protein-crowding', in which the lateral pressure generated by the random collisions among the membrane bound proteins drives the bending. In this study, we employ atomistic and coarse-grained molecular dynamics simulations to investigate the effects of amphipathic insertion and protein crowding on the membrane surface. Considering epsin N-terminal homology (ENTH) domain as a model protein, we show that amphipathic insertion is not essential for membrane bending. Our results suggest that ENTH domains can aggregate on the membrane surface by employing another structured region (H3 helix). And this protein crowding decreases the cohesive energy of the lipid tails which causes a significant decrease in the membrane bending rigidity. The ENTH domain can generate a similar degree of membrane curvature irrespective of the activity of its H0 helix. Our results are consistent with the recent experimental results.
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Affiliation(s)
- Taraknath Mandal
- Department of Physics, Indian Institute of Technology Kanpur, Kanpur-208016, India.
| | - Shivam Gupta
- Department of Physics, Indian Institute of Technology Kanpur, Kanpur-208016, India.
| | - Jatin Soni
- Department of Physics, Indian Institute of Technology Kanpur, Kanpur-208016, India.
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Cheng WY, Yang MY, Yeh CA, Yang YC, Chang KB, Chen KY, Liu SY, Tang CL, Shen CC, Hung HS. Therapeutic Applications of Mesenchymal Stem Cell Loaded with Gold Nanoparticles for Regenerative Medicine. Pharmaceutics 2023; 15:1385. [PMID: 37242627 PMCID: PMC10222259 DOI: 10.3390/pharmaceutics15051385] [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: 03/18/2023] [Revised: 04/14/2023] [Accepted: 04/28/2023] [Indexed: 05/28/2023] Open
Abstract
In the present study, the various concentrations of AuNP (1.25, 2.5, 5, 10 ppm) were prepared to investigate the biocompatibility, biological performances and cell uptake efficiency via Wharton's jelly mesenchymal stem cells and rat model. The pure AuNP, AuNP combined with Col (AuNP-Col) and FITC conjugated AuNP-Col (AuNP-Col-FITC) were characterized by Ultraviolet-visible spectroscopy (UV-Vis), Fourier-transform infrared spectroscopy (FTIR) and Dynamic Light Scattering (DLS) assays. For in vitro examinations, we explored whether the Wharton's jelly MSCs had better viability, higher CXCR4 expression, greater migration distance and lower apoptotic-related proteins expression with AuNP 1.25 and 2.5 ppm treatments. Furthermore, we considered whether the treatments of 1.25 and 2.5 ppm AuNP could induce the CXCR4 knocked down Wharton's jelly MSCs to express CXCR4 and reduce the expression level of apoptotic proteins. We also treated the Wharton's jelly MSCs with AuNP-Col to investigate the intracellular uptake mechanisms. The evidence demonstrated the cells uptake AuNP-Col through clathrin-mediated endocytosis and the vacuolar-type H+-ATPase pathway with good stability inside the cells to avoid lysosomal degradation as well as better uptake efficiency. Additionally, the results from in vivo examinations elucidated the 2.5 ppm of AuNP attenuated foreign body responses and had better retention efficacy with tissue integrity in animal model. In conclusion, the evidence demonstrates that AuNP shows promise as a biosafe nanodrug delivery system for development of regenerative medicine coupled with Wharton's jelly MSCs.
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Affiliation(s)
- Wen-Yu Cheng
- Department of Minimally Invasive Skull Base Neurosurgery, Neurological Institute, Taichung Veterans General Hospital, Taichung 407204, Taiwan; (M.-Y.Y.); (Y.-C.Y.); (K.-Y.C.); (S.-Y.L.); (C.-L.T.); (C.-C.S.)
- Department of Physical Therapy, Hung Kuang University, Taichung 433304, Taiwan
- Institute of Biomedical Sciences, National Chung Hsing University, Taichung 402202, Taiwan
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing University, Taichung 402202, Taiwan
| | - Meng-Yin Yang
- Department of Minimally Invasive Skull Base Neurosurgery, Neurological Institute, Taichung Veterans General Hospital, Taichung 407204, Taiwan; (M.-Y.Y.); (Y.-C.Y.); (K.-Y.C.); (S.-Y.L.); (C.-L.T.); (C.-C.S.)
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing University, Taichung 402202, Taiwan
| | - Chun-An Yeh
- Graduate Institute of Biomedical Science, China Medical University, Taichung 404333, Taiwan; (C.-A.Y.); (K.-B.C.)
| | - Yi-Chin Yang
- Department of Minimally Invasive Skull Base Neurosurgery, Neurological Institute, Taichung Veterans General Hospital, Taichung 407204, Taiwan; (M.-Y.Y.); (Y.-C.Y.); (K.-Y.C.); (S.-Y.L.); (C.-L.T.); (C.-C.S.)
| | - Kai-Bo Chang
- Graduate Institute of Biomedical Science, China Medical University, Taichung 404333, Taiwan; (C.-A.Y.); (K.-B.C.)
| | - Kai-Yuan Chen
- Department of Minimally Invasive Skull Base Neurosurgery, Neurological Institute, Taichung Veterans General Hospital, Taichung 407204, Taiwan; (M.-Y.Y.); (Y.-C.Y.); (K.-Y.C.); (S.-Y.L.); (C.-L.T.); (C.-C.S.)
| | - Szu-Yuan Liu
- Department of Minimally Invasive Skull Base Neurosurgery, Neurological Institute, Taichung Veterans General Hospital, Taichung 407204, Taiwan; (M.-Y.Y.); (Y.-C.Y.); (K.-Y.C.); (S.-Y.L.); (C.-L.T.); (C.-C.S.)
| | - Chien-Lun Tang
- Department of Minimally Invasive Skull Base Neurosurgery, Neurological Institute, Taichung Veterans General Hospital, Taichung 407204, Taiwan; (M.-Y.Y.); (Y.-C.Y.); (K.-Y.C.); (S.-Y.L.); (C.-L.T.); (C.-C.S.)
| | - Chiung-Chyi Shen
- Department of Minimally Invasive Skull Base Neurosurgery, Neurological Institute, Taichung Veterans General Hospital, Taichung 407204, Taiwan; (M.-Y.Y.); (Y.-C.Y.); (K.-Y.C.); (S.-Y.L.); (C.-L.T.); (C.-C.S.)
| | - Huey-Shan Hung
- Graduate Institute of Biomedical Science, China Medical University, Taichung 404333, Taiwan; (C.-A.Y.); (K.-B.C.)
- Translational Medicine Research, China Medical University Hospital, Taichung 404327, Taiwan
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8
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Kisler K, Sagare AP, Lazic D, Bazzi S, Lawson E, Hsu CJ, Wang Y, Ramanathan A, Nelson AR, Zhao Z, Zlokovic BV. Anti-malaria drug artesunate prevents development of amyloid-β pathology in mice by upregulating PICALM at the blood-brain barrier. Mol Neurodegener 2023; 18:7. [PMID: 36707892 PMCID: PMC9883925 DOI: 10.1186/s13024-023-00597-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 01/13/2023] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND PICALM is one of the most significant susceptibility factors for Alzheimer's disease (AD). In humans and mice, PICALM is highly expressed in brain endothelium. PICALM endothelial levels are reduced in AD brains. PICALM controls several steps in Aβ transcytosis across the blood-brain barrier (BBB). Its loss from brain endothelium in mice diminishes Aβ clearance at the BBB, which worsens Aβ pathology, but is reversible by endothelial PICALM re-expression. Thus, increasing PICALM at the BBB holds potential to slow down development of Aβ pathology. METHODS To identify a drug that could increase PICALM expression, we screened a library of 2007 FDA-approved drugs in HEK293t cells expressing luciferase driven by a human PICALM promoter, followed by a secondary mRNA screen in human Eahy926 endothelial cell line. In vivo studies with the lead hit were carried out in Picalm-deficient (Picalm+/-) mice, Picalm+/-; 5XFAD mice and Picalmlox/lox; Cdh5-Cre; 5XFAD mice with endothelial-specific Picalm knockout. We studied PICALM expression at the BBB, Aβ pathology and clearance from brain to blood, cerebral blood flow (CBF) responses, BBB integrity and behavior. RESULTS Our screen identified anti-malaria drug artesunate as the lead hit. Artesunate elevated PICALM mRNA and protein levels in Eahy926 endothelial cells and in vivo in brain capillaries of Picalm+/- mice by 2-3-fold. Artesunate treatment (32 mg/kg/day for 2 months) of 3-month old Picalm+/-; 5XFAD mice compared to vehicle increased brain capillary PICALM levels by 2-fold, and reduced Aβ42 and Aβ40 levels and Aβ and thioflavin S-load in the cortex and hippocampus, and vascular Aβ load by 34-51%. Artesunate also increased circulating Aβ42 and Aβ40 levels by 2-fold confirming accelerated Aβ clearance from brain to blood. Consistent with reduced Aβ pathology, treatment of Picalm+/-; 5XFAD mice with artesunate improved CBF responses, BBB integrity and behavior on novel object location and recognition, burrowing and nesting. Endothelial-specific knockout of PICALM abolished all beneficial effects of artesunate in 5XFAD mice indicating that endothelial PICALM is required for its therapeutic effects. CONCLUSIONS Artesunate increases PICALM levels and Aβ clearance at the BBB which prevents development of Aβ pathology and functional deficits in mice and holds potential for translation to human AD.
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Affiliation(s)
- Kassandra Kisler
- Department of Physiology and Neuroscience and the Zilkha Neurogenetic Institute, Keck School of Medicine of the University of Southern California, 1501 San Pablo St, Los Angeles, CA 90089 USA
| | - Abhay P. Sagare
- Department of Physiology and Neuroscience and the Zilkha Neurogenetic Institute, Keck School of Medicine of the University of Southern California, 1501 San Pablo St, Los Angeles, CA 90089 USA
| | - Divna Lazic
- Department of Physiology and Neuroscience and the Zilkha Neurogenetic Institute, Keck School of Medicine of the University of Southern California, 1501 San Pablo St, Los Angeles, CA 90089 USA
| | - Sam Bazzi
- Department of Physiology and Neuroscience and the Zilkha Neurogenetic Institute, Keck School of Medicine of the University of Southern California, 1501 San Pablo St, Los Angeles, CA 90089 USA
| | - Erica Lawson
- Department of Physiology and Neuroscience and the Zilkha Neurogenetic Institute, Keck School of Medicine of the University of Southern California, 1501 San Pablo St, Los Angeles, CA 90089 USA
| | - Ching-Ju Hsu
- Department of Physiology and Neuroscience and the Zilkha Neurogenetic Institute, Keck School of Medicine of the University of Southern California, 1501 San Pablo St, Los Angeles, CA 90089 USA
| | - Yaoming Wang
- Department of Physiology and Neuroscience and the Zilkha Neurogenetic Institute, Keck School of Medicine of the University of Southern California, 1501 San Pablo St, Los Angeles, CA 90089 USA
| | - Anita Ramanathan
- Department of Physiology and Neuroscience and the Zilkha Neurogenetic Institute, Keck School of Medicine of the University of Southern California, 1501 San Pablo St, Los Angeles, CA 90089 USA
| | - Amy R. Nelson
- Department of Physiology and Neuroscience and the Zilkha Neurogenetic Institute, Keck School of Medicine of the University of Southern California, 1501 San Pablo St, Los Angeles, CA 90089 USA
| | - Zhen Zhao
- Department of Physiology and Neuroscience and the Zilkha Neurogenetic Institute, Keck School of Medicine of the University of Southern California, 1501 San Pablo St, Los Angeles, CA 90089 USA
| | - Berislav V. Zlokovic
- Department of Physiology and Neuroscience and the Zilkha Neurogenetic Institute, Keck School of Medicine of the University of Southern California, 1501 San Pablo St, Los Angeles, CA 90089 USA
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9
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Wang H, Li X, Lai S, Cao Q, Liu Y, Li J, Zhu X, Fu W, Zhang X. Construction of Vascularized Tissue Engineered Bone with nHA-Coated BCP Bioceramics Loaded with Peripheral Blood-Derived MSC and EPC to Repair Large Segmental Femoral Bone Defect. ACS APPLIED MATERIALS & INTERFACES 2023; 15:249-264. [PMID: 36548196 DOI: 10.1021/acsami.2c15000] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
The regenerative repair of segmental bone defect (SBD) is an urgent problem in the field of orthopedics. Rapid induction of angiogenesis and osteoinductivity after implantation of scaffold is critical. In this study, a unique tissue engineering strategy with mixture of peripheral blood-derived mesenchymal stem cells (PBMSC) and endothelial progenitor cells (PBEPC) was applied in a 3D-printed biphasic calcium phosphate (BCP) scaffold with highly bioactive nano hydroxyapatite (nHA) coating (nHA/BCP) to construct a novel vascularized tissue engineered bone (VTEB) for rabbit femoral SBD repair. The 2D coculture of PBMSC and PBEPC showed that they could promote the osteogenic or angiogenic differentiation of the cells from each other, especially in the group of PBEPC/PBMSC = 75:25. Besides, the 3D coculture results exhibited that the nHA coating could further promote PBEPC/PBMSC adhesion, proliferation, and osteogenic and angiogenic differentiation on the BCP scaffold. In vivo experiments showed that among the four groups (BCP, BCP-PBEPC/PBMSC, nHA/BCP, and nHA/BCP-PBEPC/PBMSC), the nHA/BCP-PBEPC/PBMSC group induced the best formation of blood vessels and new bone and, thus, the good repair of SBD. It revealed the synergistic effect of nHA and PBEPC/PBMSC on the angiogenesis and osteogenesis of the BCP scaffold. Therefore, the construction of VTEB in this study could provide a possibility for the regenerative repair of SBD.
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Affiliation(s)
- Huihui Wang
- Department of Orthopaedic Surgery, Orthopaedic Research Institute, West China Hospital, Sichuan University, Chengdu 610064, China
| | - Xiangfeng Li
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, China
| | - Sike Lai
- Department of Orthopaedic Surgery, Orthopaedic Research Institute, West China Hospital, Sichuan University, Chengdu 610064, China
| | - Quanle Cao
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, China
| | - Yunyi Liu
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, China
| | - Jian Li
- Department of Orthopaedic Surgery, Orthopaedic Research Institute, West China Hospital, Sichuan University, Chengdu 610064, China
| | - Xiangdong Zhu
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, China
| | - Weili Fu
- Department of Orthopaedic Surgery, Orthopaedic Research Institute, West China Hospital, Sichuan University, Chengdu 610064, China
| | - Xingdong Zhang
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, China
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10
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Yasser M, Ribback S, Evert K, Utpatel K, Annweiler K, Evert M, Dombrowski F, Calvisi DF. Early Subcellular Hepatocellular Alterations in Mice Post Hydrodynamic Transfection: An Explorative Study. Cancers (Basel) 2023; 15:cancers15020328. [PMID: 36672277 PMCID: PMC9857294 DOI: 10.3390/cancers15020328] [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: 12/06/2022] [Revised: 12/29/2022] [Accepted: 12/30/2022] [Indexed: 01/06/2023] Open
Abstract
Hydrodynamic transfection (HT) or hydrodynamic tail vein injection (HTVi) is among the leading technique that is used to deliver plasmid genes mainly into the liver of live mice or rats. The DNA constructs are composed of coupled plasmids, while one contains the gene of interest that stably integrate into the hepatocyte genome with help of the other consisting sleeping beauty transposase system. The rapid injection of a large volume of DNA-solution through the tail vein induces an acute cardiac congestion that refluxed into the liver, mainly in acinus zone 3, also found through our EM study. Although, HT mediated hydrodynamic force can permeabilizes the fenestrated sinusoidal endothelium of liver, but the mechanism of plasmid incorporation into the hepatocytes remains unclear. Therefore, in the present study, we have hydrodynamically injected 2 mL volume of empty plasmid (transposon vector) or saline solution (control) into the tail vein of anesthetized C57BL/6J/129Sv mice. Liver tissue was resected at different time points from two animal group conditions, i.e., one time point per animal (1, 5, 10-20, 60 min or 24 and 48 hrs after HT) or multiple time points per animal (0, 1, 2, 5, 10, 20 min) and quickly fixed with buffered 4% osmium tetroxide. The tissues fed with only saline solution was also resected and fixed in the similar way. EM evaluation from the liver ultrathin sections reveals that swiftly after 1 min, the hepatocytes near to the central venule in the acinus zone 3 shows cytoplasmic membrane-bound vesicles. Such vesicles increased in both numbers and size to vacuoles and precisely often found in the proximity to the nucleus. Further, EM affirm these vacuoles are also optically empty and do not contain any electron dense material. Although, some of the other hepatocytes reveals sign of cell damage including swollen mitochondria, dilated endoplasmic reticulum, Golgi apparatus and disrupted plasma membrane, but most of the hepatocytes appeared normal. The ultrastructural findings in the mice injected with empty vector or saline injected control mice were similar. Therefore, we have interpreted the vacuole formation as nonspecific endocytosis without specific interactions at the plasma membrane.
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Affiliation(s)
- Mohd Yasser
- Institut fuer Pathologie, Universitaetsmedizin Greifswald, Friedrich-Loeffler-Str. 23e, 17475 Greifswald, Germany
| | - Silvia Ribback
- Institut fuer Pathologie, Universitaetsmedizin Greifswald, Friedrich-Loeffler-Str. 23e, 17475 Greifswald, Germany
- Correspondence:
| | - Katja Evert
- Institut fuer Pathologie, Universitaetsklinikum Regensburg, 93053 Regensburg, Germany
| | - Kirsten Utpatel
- Institut fuer Pathologie, Universitaetsklinikum Regensburg, 93053 Regensburg, Germany
| | - Katharina Annweiler
- Institut fuer Pathologie, Universitaetsmedizin Greifswald, Friedrich-Loeffler-Str. 23e, 17475 Greifswald, Germany
| | - Matthias Evert
- Institut fuer Pathologie, Universitaetsklinikum Regensburg, 93053 Regensburg, Germany
| | - Frank Dombrowski
- Institut fuer Pathologie, Universitaetsmedizin Greifswald, Friedrich-Loeffler-Str. 23e, 17475 Greifswald, Germany
| | - Diego F. Calvisi
- Institut fuer Pathologie, Universitaetsklinikum Regensburg, 93053 Regensburg, Germany
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11
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Zhang W, Zhang S, Chen C, Liu N, Yang D, Wang P, Ren F. The internalization mechanisms and trafficking of the pea albumin in Caco-2 cells. Int J Biol Macromol 2022; 217:111-119. [PMID: 35764167 DOI: 10.1016/j.ijbiomac.2022.06.149] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 06/21/2022] [Accepted: 06/22/2022] [Indexed: 11/23/2022]
Abstract
Pea albumin (PA) can reach the intestine in the active form because it is highly resistant to gastric acid and proteolytic enzymes after their oral intake, which can supply various bioactivities. However, there is no detailed knowledge of the intestinal cell uptake about PA. The aim of this work was to study the internalization mechanism and intracellular trafficking route of PA. The uptake of PA-cyanine 5.5 NHS ester (Cy5.5) was a time-dependent and concentration-dependent process in Caco-2 cells. Endocytosis inhibitors or small interfering RNA (siRNA) techniques revealed that the internalization of PA-Cy5.5 was energy-dependent and mediated by caveolin-mediated endocytosis. Furthermore, we observed colocalization of PA-Cy5.5 and its subcellular localization in Caco-2 cells by using confocal laser scanning microscopy, which revealed that the intracellular trafficking process of PA-Cy5.5 was related to endoplasmic reticulum, Golgi, and lysosome. Interestingly, PA can alleviate lipopolysaccharide -induced ER stress, which may be the main reason why pea albumin is anti-inflammatory. Overall, our findings suggest caveolin may be critical for PA uptake in enterocytes and could contribute to explore the bioactivities mechanism of pea albumin in body.
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Affiliation(s)
- Weibo Zhang
- Key Laboratory of Functional Dairy, Co-constructed by Ministry of Education and Beijing Government, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; Department of Nutrition and Health, China Agricultural University, Beijing 100083, China..
| | - Shucheng Zhang
- Key Laboratory of Functional Dairy, Co-constructed by Ministry of Education and Beijing Government, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; Department of Nutrition and Health, China Agricultural University, Beijing 100083, China
| | - Chong Chen
- Key Laboratory of Functional Dairy, Co-constructed by Ministry of Education and Beijing Government, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China.
| | - Ning Liu
- Department of Nutrition and Health, China Agricultural University, Beijing 100083, China
| | - Dong Yang
- Inner Mongolia Caoyuanxinhe Technology Research Co. Ltd., Inner Mongolia 01500, China
| | - Pengjie Wang
- Department of Nutrition and Health, China Agricultural University, Beijing 100083, China..
| | - Fazheng Ren
- Key Laboratory of Functional Dairy, Co-constructed by Ministry of Education and Beijing Government, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; Department of Nutrition and Health, China Agricultural University, Beijing 100083, China..
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12
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Griffiths G, Gruenberg J, Marsh M, Wohlmann J, Jones AT, Parton RG. Nanoparticle entry into cells; the cell biology weak link. Adv Drug Deliv Rev 2022; 188:114403. [PMID: 35777667 DOI: 10.1016/j.addr.2022.114403] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 06/22/2022] [Accepted: 06/23/2022] [Indexed: 12/22/2022]
Abstract
Nanoparticles (NP) are attractive options for the therapeutic delivery of active pharmaceutical drugs, proteins and nucleic acids into cells, tissues and organs. Research into the development and application of NP most often starts with a diverse group of scientists, including chemists, bioengineers and material and pharmaceutical scientists, who design, fabricate and characterize NP in vitro (Stage 1). The next step (Stage 2) generally investigates cell toxicity as well as the processes by which NP bind, are internalized and deliver their cargo to appropriate model tissue culture cells. Subsequently, in Stage 3, selected NP are tested in animal systems, mostly mouse. Whereas the chemistry-based development and analysis in Stage 1 is increasingly sophisticated, the investigations in Stage 2 are not what could be regarded as 'state-of-the-art' for the cell biology field and the quality of research into NP interactions with cells is often sub-standard. In this review we describe our current understanding of the mechanisms by which particles gain entry into mammalian cells via endocytosis. We summarize the most important areas for concern, highlight some of the most common mis-conceptions, and identify areas where NP scientists could engage with trained cell biologists. Our survey of the different mechanisms of uptake into cells makes us suspect that claims for roles for caveolae, as well as macropinocytosis, in NP uptake into cells have been exaggerated, whereas phagocytosis has been under-appreciated.
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Affiliation(s)
- Gareth Griffiths
- Department Biosciences, University of Oslo, Blindernveien 31, PO Box 1041, 0316 Oslo, Norway.
| | - Jean Gruenberg
- Department of Biochemistry, University of Geneva, 30 quai E. Ansermet, 1211-Geneva-4, Switzerland
| | - Mark Marsh
- Laboratory for Molecular Cell Biology, University College London, Gower Street, London, WC1E 6BT, UK
| | - Jens Wohlmann
- Department Biosciences, University of Oslo, Blindernveien 31, PO Box 1041, 0316 Oslo, Norway
| | - Arwyn T Jones
- School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Redwood Building, Cardiff, Wales CF103NB, UK
| | - Robert G Parton
- Institute for Molecular Bioscience and Centre for Microscopy and Microanalysis, The University of Queensland, Qld 4072, Australia
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13
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Wangngae S, Chansaenpak K, Weeranantanapan O, Piyanuch P, Sumphanapai T, Yamabhai M, Noisa P, Lai RY, Kamkaew A. Effect of morpholine and charge distribution of cyanine dyes on cell internalization and cytotoxicity. Sci Rep 2022; 12:4173. [PMID: 35264603 PMCID: PMC8907291 DOI: 10.1038/s41598-022-07533-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Accepted: 02/21/2022] [Indexed: 12/15/2022] Open
Abstract
To improve the potency of Heptamethine cyanines (Hcyanines) in cancer research, we designed and synthesized two novel Hcyanines based theranostic probes, IR794-Morph and IR794-Morph-Mpip, to enhance cancer cell internalization and targeting. In acidic conditions that resemble to tumour environment, both IR794 derivatives exhibited broad NIR absorption band (704‒794 nm) and fluorescence emission (798‒828 nm) that is suitable for deep seated tumour imaging. Moreover, in vitro study revealed that IR794-Morph-Mpip exhibited better cancer targetability towards various cancer cell lines under physiological and slightly acidic conditions compared to normal cells. IR794-Morph-Mpip was fast internalized into the cancer cells within the first 5 min and mostly localized in lysosomes and mitochondria. In addition, the internalized signal was brighter when the cells were in the hypoxic environment. Furthermore, cellular uptake mechanism of both IR794 dyes, investigated via flow cytometry, revealed that endocytosis through OATPs receptors and clathrin-mediated endocytosis were the main routes. Moreover, IR794-Morph-Mpip, displayed anti-cancer activity towards all tested cancer cell types with IC50 below 7 μM (at 6 h incubation), which is approximately three times lower than that of the normal cells. Therefore, increasing protonated cites in tumour environment of Hcyanines together with incorporating morpholine in the molecule can enhance structure-inherent targeting of these dyes.
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Affiliation(s)
- Sirilak Wangngae
- School of Chemistry, Institute of Science, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand
| | - Kantapat Chansaenpak
- National Nanotechnology Center, National Science and Technology Development Agency, Thailand Science Park, Pathum Thani, 12120, Thailand
| | - Oratai Weeranantanapan
- School of Preclinical Sciences, Institute of Science, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand
| | - Pornthip Piyanuch
- National Nanotechnology Center, National Science and Technology Development Agency, Thailand Science Park, Pathum Thani, 12120, Thailand
| | - Thitima Sumphanapai
- School of Biotechnology, Institute of Agricultural Technology, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand
| | - Montarop Yamabhai
- School of Biotechnology, Institute of Agricultural Technology, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand
| | - Parinya Noisa
- School of Biotechnology, Institute of Agricultural Technology, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand
| | - Rung-Yi Lai
- School of Chemistry, Institute of Science, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand
| | - Anyanee Kamkaew
- School of Chemistry, Institute of Science, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand.
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14
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Szabo MP, Mishra S, Knupp A, Young JE. The role of Alzheimer's disease risk genes in endolysosomal pathways. Neurobiol Dis 2022; 162:105576. [PMID: 34871734 PMCID: PMC9071255 DOI: 10.1016/j.nbd.2021.105576] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 11/23/2021] [Accepted: 12/02/2021] [Indexed: 12/25/2022] Open
Abstract
There is ample pathological and biological evidence for endo-lysosomal dysfunction in Alzheimer's disease (AD) and emerging genetic studies repeatedly implicate endo-lysosomal genes as associated with increased AD risk. The endo-lysosomal network (ELN) is essential for all cell types of the central nervous system (CNS), yet each unique cell type utilizes cellular trafficking differently (see Fig. 1). Challenges ahead involve defining the role of AD associated genes in the functionality of the endo-lysosomal network (ELN) and understanding how this impacts the cellular dysfunction that occurs in AD. This is critical to the development of new therapeutics that will impact, and potentially reverse, early disease phenotypes. Here we review some early evidence of ELN dysfunction in AD pathogenesis and discuss the role of selected AD-associated risk genes in this pathway. In particular, we review genes that have been replicated in multiple genome-wide association studies(Andrews et al., 2020; Jansen et al., 2019; Kunkle et al., 2019; Lambert et al., 2013; Marioni et al., 2018) and reviewed in(Andrews et al., 2020) that have defined roles in the endo-lysosomal network. These genes include SORL1, an AD risk gene harboring both rare and common variants associated with AD risk and a role in trafficking cargo, including APP, through the ELN; BIN1, a regulator of clathrin-mediated endocytosis whose expression correlates with Tau pathology; CD2AP, an AD risk gene with roles in endosome morphology and recycling; PICALM, a clathrin-binding protein that mediates trafficking between the trans-Golgi network and endosomes; and Ephrin Receptors, a family of receptor tyrosine kinases with AD associations and interactions with other AD risk genes. Finally, we will discuss how human cellular models can elucidate cell-type specific differences in ELN dysfunction in AD and aid in therapeutic development.
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Affiliation(s)
- Marcell P Szabo
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA 98109, United States of America; Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA 98109, United States of America
| | - Swati Mishra
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA 98109, United States of America; Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA 98109, United States of America
| | - Allison Knupp
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA 98109, United States of America; Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA 98109, United States of America
| | - Jessica E Young
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA 98109, United States of America; Institute for Stem Cell and Regenerative Medicine, University of Washington, Seattle, WA 98109, United States of America.
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15
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Yu X, Li W, Young KH, Li Y. Posttranslational Modifications in PD-L1 Turnover and Function: From Cradle to Grave. Biomedicines 2021; 9:1702. [PMID: 34829931 PMCID: PMC8615371 DOI: 10.3390/biomedicines9111702] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Revised: 11/09/2021] [Accepted: 11/11/2021] [Indexed: 12/14/2022] Open
Abstract
Programmed death-ligand 1 (PD-L1) is one of the most classic immune checkpoint molecules. Cancer cells express PD-L1 to inhibit the activity of effector T cells' cytotoxicity through programmed death 1 (PD-1) engagement in exposure to inflammatory cytokines. PD-L1 expression levels on cancer cells might affect the clinical response to anti-PD-1/PD-L1 therapies. Hence, understanding molecular mechanisms for regulating PD-L1 expression is essential for improving the clinical response rate and efficacy of PD-1/PD-L1 blockade. Posttranslational modifications (PTMs), including phosphorylation, glycosylation, ubiquitination, and acetylation, regulate PD-L1 stability, cellular translocation, and interaction with its receptor. A coordinated positive and negative regulation via PTMs is required to ensure the balance and function of the PD-L1 protein. In this review, we primarily focus on the roles of PTMs in PD-L1 expression, trafficking, and antitumor immune response. We also discuss the implication of PTMs in anti-PD-1/PD-L1 therapies.
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Affiliation(s)
- Xinfang Yu
- Section of Epidemiology and Population Science, Department of Medicine, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA; (X.Y.); (W.L.)
| | - Wei Li
- Section of Epidemiology and Population Science, Department of Medicine, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA; (X.Y.); (W.L.)
| | - Ken H. Young
- Hematopathology Division, Department of Pathology, Duke University Medical Center, Durham, NC 27710, USA;
| | - Yong Li
- Section of Epidemiology and Population Science, Department of Medicine, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA; (X.Y.); (W.L.)
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16
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Zamansky M, Zehavi N, Ben-Shabat S, Sintov AC. Characterization of nanoparticles made of ethyl cellulose and stabilizing lipids: Mode of manufacturing, size modulation, and study of their effect on keratinocytes. Int J Pharm 2021; 607:121003. [PMID: 34391849 DOI: 10.1016/j.ijpharm.2021.121003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 08/08/2021] [Accepted: 08/09/2021] [Indexed: 12/25/2022]
Abstract
We have developed an ethyl cellulose-based nanoparticulate system for encapsulation of sparingly soluble active pharmaceutical ingredients. Cannabidiol (CBD) and curcumin (CUR) were selected as model active ingredients. Using the nanoprecipitation method, nanoparticles ranged between 150 nm and 250 nm were obtained with an entrapment efficiency of >80%. It has been shown that incorporation of stabilizing lipids significantly reduced aggregation, increased the yield and the active ingredient-to-polymer ratio. In this study, we have explored the influence of process parameters on the extent of new particle core formation: chemical properties of the active ingredients, polymer concentrations, non-solvent addition rate, and the volume of the organic solvent for nanoparticle size control. The relationship between the particle radius [R] and the polymer concentration [Pol] was defined by R ∝ [Pol]n when n < ⅓. The extent of polymer supersaturation was related to the value of n, when the high polymer supersaturation increased the formation rate of new particle cores while decreasing polymer layering on the existing cores and the nanoparticles size. The obtained nanoparticles have shown low toxicity in keratinocytes, however, higher loadings of CUR or CBD resulted in increased toxicity. The nanoparticles effectively internalized into keratinocytes, implying their applicability for dermal delivery.
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Affiliation(s)
- Mark Zamansky
- Department of Biomedical Engineering, Ben Gurion University of the Negev, Be'er Sheva, Israel; Laboratory for Biopharmaceutics, E.D. Bergmann Campus, Ben-Gurion University of the Negev, Be'er Sheva, Israel
| | - Na'ama Zehavi
- Laboratory for Biopharmaceutics, E.D. Bergmann Campus, Ben-Gurion University of the Negev, Be'er Sheva, Israel
| | - Shimon Ben-Shabat
- Department of Biochemistry and Pharmacology, Ben Gurion University of the Negev, Be'er Sheva, Israel.
| | - Amnon C Sintov
- Department of Biomedical Engineering, Ben Gurion University of the Negev, Be'er Sheva, Israel; Laboratory for Biopharmaceutics, E.D. Bergmann Campus, Ben-Gurion University of the Negev, Be'er Sheva, Israel.
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17
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Yu C, Chen Z, Li X, Bao H, Wang Y, Zhang B, Huang J, Zhang Z. pH-Triggered Aggregation of Gold Nanoparticles for Enhanced Labeling and Long-Term CT Imaging Tracking of Stem Cells in Pulmonary Fibrosis Treatment. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2101861. [PMID: 34235846 DOI: 10.1002/smll.202101861] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 05/11/2021] [Indexed: 06/13/2023]
Abstract
Gold nanoparticles (AuNPs) pose a great challenge in the development of nanotracers that can self-adaptively alter their properties in response to certain cellular environments for long-term stem cell tracking. Herein, pH-sensitive Au nanotracers (CPP-PSD@Au) are fabricated by sequential coupling of AuNPs with sulfonamide-based polymer (PSD) and cell-penetrating peptide (CPP), which can be efficiently internalized by mesenchymal stem cells (MSCs) and undergo pH-induced self-assembly in endosomes, facilitating long-term computed tomography (CT) imaging tracking MSCs in a murine model of idiopathic pulmonary fibrosis (IPF). Using the CPP-PSD@Au, the transplanted MSCs for the first time can be monitored with CT imaging for up to 35 days after transplantation into the lung of IPF mice, clearly elucidating the migration process of MSCs in vivo. Moreover, we preliminarily explored the mechanism of the CPP-PSD@Au labeled MSCs in the alleviation of IPF, including recovery of alveolar integrity, decrease of collagen deposition, as well as down-regulation of relevant cytokine level. This work facilitates our understanding of the behavior and effect of MSCs in the therapy of IPF, thereby providing an important insight into the stem cell-based treatment of lung diseases.
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Affiliation(s)
- Chenggong Yu
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, 215123, China
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei, 230026, China
| | - Zhongjin Chen
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, 215123, China
| | - Xiaodi Li
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, 215123, China
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei, 230026, China
| | - Hongying Bao
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, 215123, China
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei, 230026, China
| | - Yujie Wang
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, 215123, China
| | - Bo Zhang
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, 215123, China
| | - Jie Huang
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, 215123, China
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei, 230026, China
| | - Zhijun Zhang
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, 215123, China
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei, 230026, China
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18
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Mandal T, Spagnolie SE, Audhya A, Cui Q. Protein-induced membrane curvature in coarse-grained simulations. Biophys J 2021; 120:3211-3221. [PMID: 34197798 DOI: 10.1016/j.bpj.2021.05.029] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 05/06/2021] [Accepted: 05/28/2021] [Indexed: 12/01/2022] Open
Abstract
Using the endosomal sorting complex required for transport (ESCRT)-III membrane remodeling complex as an example, we analyze three popular coarse-grained models (the regular MARTINI, polarizable MARTINI (POL-MARTINI), and big multipole water MARTINI (BMW-MARTINI)) for the description of membrane curvature sensing and generation activities of peripheral proteins. Although the three variants of the MARTINI model provide consistent descriptions for the protein-protein interface in a linear filament model of ESCRT-III, they differ considerably in terms of protein-membrane interface and therefore membrane curvature sensing and generation behaviors. In particular, BMW-MARTINI provides the most consistent description of the protein-membrane interface as compared to all-atom simulations, whereas the regular MARTINI is most consistent with atomistic simulations in terms of the qualitative sign of membrane curvature sensing and generation. With POL-MARTINI, the ESCRT-III model interacts weakly with the membrane and therefore does not exhibit any curvature-sensitive activities. Analysis suggests that the incorrect membrane curvature activities predicted by BMW-MARTINI are due to overestimated insertion depth of an amphipathic helix and incorrect sign for the spontaneous curvature of anionic lipids. These results not only point to ways that coarse-grained models can be improved but also explicitly highlight local lipid composition and insertion depth of protein motifs as essential regulatory factors for membrane curvature sensing and generation.
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Affiliation(s)
- Taraknath Mandal
- Department of Chemistry, Boston University, Boston, Massachusetts; Department of Physics, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Saverio E Spagnolie
- Department of Mathematics, University of Wisconsin-Madison, Madison, Wisconsin
| | - Anjon Audhya
- Department of Biomolecular Chemistry, University of Wisconsin-Madison, Madison, Wisconsin
| | - Qiang Cui
- Departments of Chemistry, Physics, and Biomedical Engineering, Boston University, Boston, Massachusetts.
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Hussein NA, Malla S, Pasternak MA, Terrero D, Brown NG, Ashby CR, Assaraf YG, Chen ZS, Tiwari AK. The role of endolysosomal trafficking in anticancer drug resistance. Drug Resist Updat 2021; 57:100769. [PMID: 34217999 DOI: 10.1016/j.drup.2021.100769] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 04/10/2021] [Accepted: 05/14/2021] [Indexed: 02/08/2023]
Abstract
Multidrug resistance (MDR) remains a major obstacle towards curative treatment of cancer. Despite considerable progress in delineating the basis of intrinsic and acquired MDR, the underlying molecular mechanisms remain to be elucidated. Emerging evidences suggest that dysregulation in endolysosomal compartments is involved in mediating MDR through multiple mechanisms, such as alterations in endosomes, lysosomes and autophagosomes, that traffic and biodegrade the molecular cargo through macropinocytosis, autophagy and endocytosis. For example, altered lysosomal pH, in combination with transcription factor EB (TFEB)-mediated lysosomal biogenesis, increases the sequestration of hydrophobic anti-cancer drugs that are weak bases, thereby producing an insufficient and off-target accumulation of anti-cancer drugs in MDR cancer cells. Thus, the use of well-tolerated, alkalinizing compounds that selectively block Vacuolar H⁺-ATPase (V-ATPase) may be an important strategy to overcome MDR in cancer cells and increase chemotherapeutic efficacy. Other mechanisms of endolysosomal-mediated drug resistance include increases in the expression of lysosomal proteases and cathepsins that are involved in mediating carcinogenesis and chemoresistance. Therefore, blocking the trafficking and maturation of lysosomal proteases or direct inhibition of cathepsin activity in the cytosol may represent novel therapeutic modalities to overcome MDR. Furthermore, endolysosomal compartments involved in catabolic pathways, such as macropinocytosis and autophagy, are also shown to be involved in the development of MDR. Here, we review the role of endolysosomal trafficking in MDR development and discuss how targeting endolysosomal pathways could emerge as a new therapeutic strategy to overcome chemoresistance in cancer.
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Affiliation(s)
- Noor A Hussein
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy & Pharmaceutical Sciences, University of Toledo, Toledo, 43614, OH, USA
| | - Saloni Malla
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy & Pharmaceutical Sciences, University of Toledo, Toledo, 43614, OH, USA
| | - Mariah A Pasternak
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy & Pharmaceutical Sciences, University of Toledo, Toledo, 43614, OH, USA
| | - David Terrero
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy & Pharmaceutical Sciences, University of Toledo, Toledo, 43614, OH, USA
| | - Noah G Brown
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy & Pharmaceutical Sciences, University of Toledo, Toledo, 43614, OH, USA
| | - Charles R Ashby
- Department of Pharmaceutical Sciences, College of Pharmacy & Pharmaceutical Sciences, St. John's University, Queens, NY, USA
| | - Yehuda G Assaraf
- The Fred Wyszkowski Cancer Research Laboratory, Department of Biology, Technion-Israel Institute of Technology, Haifa, 3200003, Israel
| | - Zhe-Sheng Chen
- Department of Pharmaceutical Sciences, College of Pharmacy & Pharmaceutical Sciences, St. John's University, Queens, NY, USA.
| | - Amit K Tiwari
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy & Pharmaceutical Sciences, University of Toledo, Toledo, 43614, OH, USA; Department of Cancer Biology, College of Medicine and Life Sciences, University of Toledo, Toledo, 43614, OH, USA.
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20
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Civitci F, Shangguan J, Zheng T, Tao K, Rames M, Kenison J, Zhang Y, Wu L, Phelps C, Esener S, Nan X. Fast and multiplexed superresolution imaging with DNA-PAINT-ERS. Nat Commun 2020; 11:4339. [PMID: 32859909 PMCID: PMC7455722 DOI: 10.1038/s41467-020-18181-6] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Accepted: 08/10/2020] [Indexed: 12/13/2022] Open
Abstract
DNA points accumulation for imaging in nanoscale topography (DNA-PAINT) facilitates multiplexing in superresolution microscopy but is practically limited by slow imaging speed. To address this issue, we propose the additions of ethylene carbonate (EC) to the imaging buffer, sequence repeats to the docking strand, and a spacer between the docking strand and the affinity agent. Collectively termed DNA-PAINT-ERS (E = EC, R = Repeating sequence, and S = Spacer), these strategies can be easily integrated into current DNA-PAINT workflows for both accelerated imaging speed and improved image quality through optimized DNA hybridization kinetics and efficiency. We demonstrate the general applicability of DNA-PAINT-ERS for fast, multiplexed superresolution imaging using previously validated oligonucleotide constructs with slight modifications.
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Affiliation(s)
- Fehmi Civitci
- Knight Cancer Early Detection Advanced Research Center, Oregon Health and Science University, 2720 S. Moody Ave., Portland, OR, 97201, USA
| | - Julia Shangguan
- Center for Spatial Systems Biomedicine, Oregon Health and Science University, 2730 S. Moody Ave., Portland, OR, 97201, USA
- Department of Biomedical Engineering, Oregon Health and Science University, 3303 S. Bond Ave., Portland, OR, 97239, USA
| | - Ting Zheng
- Knight Cancer Early Detection Advanced Research Center, Oregon Health and Science University, 2720 S. Moody Ave., Portland, OR, 97201, USA
| | - Kai Tao
- Center for Spatial Systems Biomedicine, Oregon Health and Science University, 2730 S. Moody Ave., Portland, OR, 97201, USA
- Department of Biomedical Engineering, Oregon Health and Science University, 3303 S. Bond Ave., Portland, OR, 97239, USA
| | - Matthew Rames
- Knight Cancer Early Detection Advanced Research Center, Oregon Health and Science University, 2720 S. Moody Ave., Portland, OR, 97201, USA
- Department of Biomedical Engineering, Oregon Health and Science University, 3303 S. Bond Ave., Portland, OR, 97239, USA
| | - John Kenison
- Knight Cancer Early Detection Advanced Research Center, Oregon Health and Science University, 2720 S. Moody Ave., Portland, OR, 97201, USA
| | - Ying Zhang
- Center for Spatial Systems Biomedicine, Oregon Health and Science University, 2730 S. Moody Ave., Portland, OR, 97201, USA
- Department of Biomedical Engineering, Oregon Health and Science University, 3303 S. Bond Ave., Portland, OR, 97239, USA
| | - Lei Wu
- Center for Spatial Systems Biomedicine, Oregon Health and Science University, 2730 S. Moody Ave., Portland, OR, 97201, USA
- Department of Oral Maxillofacial-Head Neck Oncology, School and Hospital of Stomatology, Wuhan University, 237 Luoyu Rd., Wuhan, 430079, Hubei, China
| | - Carey Phelps
- Center for Spatial Systems Biomedicine, Oregon Health and Science University, 2730 S. Moody Ave., Portland, OR, 97201, USA
- Department of Biomedical Engineering, Oregon Health and Science University, 3303 S. Bond Ave., Portland, OR, 97239, USA
| | - Sadik Esener
- Knight Cancer Early Detection Advanced Research Center, Oregon Health and Science University, 2720 S. Moody Ave., Portland, OR, 97201, USA
- Department of Biomedical Engineering, Oregon Health and Science University, 3303 S. Bond Ave., Portland, OR, 97239, USA
| | - Xiaolin Nan
- Knight Cancer Early Detection Advanced Research Center, Oregon Health and Science University, 2720 S. Moody Ave., Portland, OR, 97201, USA.
- Center for Spatial Systems Biomedicine, Oregon Health and Science University, 2730 S. Moody Ave., Portland, OR, 97201, USA.
- Department of Biomedical Engineering, Oregon Health and Science University, 3303 S. Bond Ave., Portland, OR, 97239, USA.
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Porcine Reproductive and Respiratory Syndrome Virus Utilizes Viral Apoptotic Mimicry as an Alternative Pathway To Infect Host Cells. J Virol 2020; 94:JVI.00709-20. [PMID: 32522856 PMCID: PMC7431799 DOI: 10.1128/jvi.00709-20] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Accepted: 06/03/2020] [Indexed: 12/29/2022] Open
Abstract
PRRS has caused huge economic losses to pig farming worldwide. Its causative agent, PRRSV, infects host cells through low pH-dependent clathrin-mediated endocytosis and CD163 is indispensable during the process. Whether there exist alternative infection pathways for PRRSV arouses our interest. Here, we found that PRRSV exposed PS on its envelope and disguised as apoptotic debris. The PS receptor TIM-1/4 recognized PRRSV and induced the downstream signaling pathway to mediate viral infection via CD163-dependent macropinocytosis. The current work deepens our understanding of PRRSV infection and provides clues for the development of drugs and vaccines against the virus. Porcine reproductive and respiratory syndrome (PRRS), caused by PRRS virus (PRRSV), has led to enormous economic losses in global swine industry. Infection by PRRSV is previously shown to be via low pH-dependent clathrin-mediated endocytosis, and CD163 functions as an essential receptor during viral infection. Despite much research focusing on it, PRRSV infection remains to be fully elucidated. In this study, we demonstrated that PRRSV externalized phosphatidylserine (PS) on the envelope as viral apoptotic mimicry and infected host cells through T-cell immunoglobulin and mucin domain (TIM)-induced and CD163-involved macropinocytosis as an alternative pathway. In detail, we identified that PS receptor TIM-1/4 recognized and interacted with PRRSV as viral apoptotic mimicry and subsequently induced macropinocytosis by the downstream Rho GTPases Rac1, cell division control protein 42 (Cdc42), and p21-activated kinase 1 (Pak1). Altogether, these results expand our knowledge of PRRSV infection, which will support implications for the prevention and control of PRRS. IMPORTANCE PRRS has caused huge economic losses to pig farming worldwide. Its causative agent, PRRSV, infects host cells through low pH-dependent clathrin-mediated endocytosis and CD163 is indispensable during the process. Whether there exist alternative infection pathways for PRRSV arouses our interest. Here, we found that PRRSV exposed PS on its envelope and disguised as apoptotic debris. The PS receptor TIM-1/4 recognized PRRSV and induced the downstream signaling pathway to mediate viral infection via CD163-dependent macropinocytosis. The current work deepens our understanding of PRRSV infection and provides clues for the development of drugs and vaccines against the virus.
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Czaplewska JA, Gangapurwala G, Vollrath A, Pröhl M, Majdanski T, Pretzel D, Hoeppener S, Schubert US, Gottschaldt M. Synthesis of a fructose decorated PAGE-b-PEG-b-PLGA polymer with subsequent formulation of nanoparticles. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.124701] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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23
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K13, the Cytostome, and Artemisinin Resistance. Trends Parasitol 2020; 36:533-544. [DOI: 10.1016/j.pt.2020.03.006] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 03/23/2020] [Accepted: 03/23/2020] [Indexed: 02/03/2023]
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Molecular Biology of Escherichia Coli Shiga Toxins' Effects on Mammalian Cells. Toxins (Basel) 2020; 12:toxins12050345. [PMID: 32456125 PMCID: PMC7290813 DOI: 10.3390/toxins12050345] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 05/18/2020] [Accepted: 05/20/2020] [Indexed: 12/11/2022] Open
Abstract
Shiga toxins (Stxs), syn. Vero(cyto)toxins, are potent bacterial exotoxins and the principal virulence factor of enterohemorrhagic Escherichia coli (EHEC), a subset of Shiga toxin-producing E. coli (STEC). EHEC strains, e.g., strains of serovars O157:H7 and O104:H4, may cause individual cases as well as large outbreaks of life-threatening diseases in humans. Stxs primarily exert a ribotoxic activity in the eukaryotic target cells of the mammalian host resulting in rapid protein synthesis inhibition and cell death. Damage of endothelial cells in the kidneys and the central nervous system by Stxs is central in the pathogenesis of hemolytic uremic syndrome (HUS) in humans and edema disease in pigs. Probably even more important, the toxins also are capable of modulating a plethora of essential cellular functions, which eventually disturb intercellular communication. The review aims at providing a comprehensive overview of the current knowledge of the time course and the consecutive steps of Stx/cell interactions at the molecular level. Intervention measures deduced from an in-depth understanding of this molecular interplay may foster our basic understanding of cellular biology and microbial pathogenesis and pave the way to the creation of host-directed active compounds to mitigate the pathological conditions of STEC infections in the mammalian body.
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Multivesicular bodies mimicking SARS-CoV-2 in patients without COVID-19. Kidney Int 2020; 98:233-234. [PMID: 32437766 PMCID: PMC7206432 DOI: 10.1016/j.kint.2020.05.003] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 04/30/2020] [Accepted: 05/03/2020] [Indexed: 01/18/2023]
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26
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Mandal T, Lough W, Spagnolie SE, Audhya A, Cui Q. Molecular Simulation of Mechanical Properties and Membrane Activities of the ESCRT-III Complexes. Biophys J 2020; 118:1333-1343. [PMID: 32078797 PMCID: PMC7091516 DOI: 10.1016/j.bpj.2020.01.033] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 01/26/2020] [Accepted: 01/29/2020] [Indexed: 01/16/2023] Open
Abstract
The endosomal sorting complex required for transport (ESCRT) machinery carries out the membrane scission reactions that are required for many biological processes throughout cells. How ESCRTs bind and deform cellular membranes and ultimately produce vesicles has been a matter of active research in recent years. In this study, we use fully atomistic molecular dynamics simulations to scrutinize the structural details of a filament composed of Vps32 protomers, a major component of ESCRT-III complexes. The simulations show that both hydrophobic and electrostatic interactions between monomers help maintain the structural stability of the filament, which exhibits an intrinsic bend and twist. Our findings suggest that the accumulation of bending and twisting stresses as the filament elongates on the membrane surface likely contributes to the driving force for membrane invagination. The filament exposes a large cationic surface that senses the negatively charged lipids in the membrane, and the N-terminal amphipathic helix of the monomers not only acts as a membrane anchor but also generates significant positive membrane curvature. Taking all results together, we discuss a plausible mechanism for membrane invagination driven by ESCRT-III.
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Affiliation(s)
- Taraknath Mandal
- Department of Chemistry, Boston University, Boston, Massachusetts
| | | | | | - Anjon Audhya
- Department of Biomolecular Chemistry, University of Wisconsin-Madison, Madison, Wisconsin
| | - Qiang Cui
- Departments of Chemistry, Physics, and Biomedical Engineering, Boston University, Boston, Massachusetts.
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27
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Recent Advances in Carbon Nanotubes for Nervous Tissue Regeneration. ADVANCES IN POLYMER TECHNOLOGY 2020. [DOI: 10.1155/2020/6861205] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Regenerative medicine has taken advantage of several nanomaterials for reparation of diseased or damaged tissues in the nervous system involved in memory, cognition, and movement. Electrical, thermal, mechanical, and biocompatibility aspects of carbon-based nanomaterials (nanotubes, graphene, fullerenes, and their derivatives) make them suitable candidates to drive nerve tissue repair and stimulation. This review article focuses on key recent advances on the use of carbon nanotube- (CNT-) based technologies on nerve tissue engineering, outlining how neurons interact with CNT interfaces for promoting neuronal differentiation, growth and network reconstruction. CNTs still represent strong candidates for use in therapies of neurodegenerative pathologies and spinal cord injuries.
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Zhan H, Zhao H, Muhammad N, Li T, Liu Y, Wang J. Lytic peptide-grafted beta-cyclodextrin polymer based nano-scaled drug delivery system with enhanced camptothecin anti-cancer efficacy. NANOTECHNOLOGY 2020; 31:075101. [PMID: 31665708 DOI: 10.1088/1361-6528/ab529b] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The aqueous solubility of drug molecules is closely related to its bioactivity like bioavailability and subsequent therapeutic index, especially in the case of hydrophobic drugs like camptothecin (CPT), a potential broad-spectrum anti-cancer agent. Enhanced anti-cancer activity and selectivity of CPT are equally important. Inspired by host-guest effect and drug combination regimen, we developed a novel tumor lytic peptide incorporated drug delivery system by forming beta-cyclodextrin polymer (BCDp) based inclusion complex in nano-scaled size. In this study, BCDp formed inclusion complex with CPT and then a lytic-type peptide (ZH) was grafted. The resulting combinational formulation of BCDp, CPT and ZH, named as ZH-BCDp-CPT inclusion complex, demonstrated greater solubility resulting from its nano-scaled size, amorphous solid state and inclusion structure. Moreover, ZH facilitated quick internalization of conjugated drug via cell membrane lysis, leading to efficient intracellular drug delivery. This novel drug formulation was featured with prolonged circulation, enhanced anti-cancer efficacy, selectivity, anti-cell migration activity and better biocompatibility in comparison with crude CPT and binary BCDp-CPT inclusion complex, all of which were attributed to a cooperative action between ZH and BCDp-CPT inclusion complex. Our results suggested ZH-BCDp-CPT inclusion complex induced cell apoptosis by up-regulation of Bax and P53 and down-regulation of Bcl-2, primarily involved in the mitochondrial pathways.
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Affiliation(s)
- Honglei Zhan
- Department of Biotechnology, School of Bioengineering, Dalian Polytechnic University, Dalian, 116034, Liaoning Province, People's Republic of China
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Mühlberger M, Unterweger H, Band J, Lehmann C, Heger L, Dudziak D, Alexiou C, Lee G, Janko C. Loading of Primary Human T Lymphocytes with Citrate-Coated Superparamagnetic Iron Oxide Nanoparticles Does Not Impair Their Activation after Polyclonal Stimulation. Cells 2020; 9:cells9020342. [PMID: 32024193 PMCID: PMC7072432 DOI: 10.3390/cells9020342] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 01/14/2020] [Accepted: 01/28/2020] [Indexed: 12/27/2022] Open
Abstract
For the conversion of immunologically cold tumors, characterized by a low T cell infiltration, into hot tumors, it is necessary to enrich T cells in the tumor area. One possibility is the use of magnetic fields to direct T cells into the tumor. For this purpose, primary T cells that were freshly isolated from human whole blood were loaded with citrate-coated superparamagnetic iron oxide nanoparticles (SPIONCitrate). Cell toxicity and particle uptake were investigated by flow cytometry and atomic emission spectroscopy. The optimum loading of the T cells without any major effect on their viability was achieved with a particle concentration of 75 µg Fe/mL and a loading period of 24 h. The cellular content of SPIONCitrate was sufficient to attract these T cells with a magnet which was monitored by live-cell imaging. The functionality of the T cells was only slightly influenced by SPIONCitrate, as demonstrated by in vitro stimulation assays. The proliferation rate as well as the expression of co-stimulatory and inhibitory surface molecules (programmed cell death 1 (PD-1), lymphocyte activation gene 3 (LAG-3), T cell immunoglobulin and mucin domain containing 3 (Tim-3), C-C motif chemokine receptor 7 (CCR7), CD25, CD45RO, CD69) was investigated and found to be unchanged. Our results presented here demonstrate the feasibility of loading primary human T lymphocytes with superparamagnetic iron oxide nanoparticles without influencing their viability and functionality while achieving sufficient magnetizability for magnetically controlled targeting. Thus, the results provide a strong fundament for the transfer to tumor models and ultimately for new immunotherapeutic approaches for cancer treatment.
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Affiliation(s)
- Marina Mühlberger
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, 91054 Erlangen, Germany; (M.M.)
- Department of Chemistry and Pharmacy, Division of Pharmaceutics, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91058 Erlangen, Germany
| | - Harald Unterweger
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, 91054 Erlangen, Germany; (M.M.)
| | - Julia Band
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, 91054 Erlangen, Germany; (M.M.)
| | - Christian Lehmann
- Department of Dermatology, Laboratory of Dendritic Cell Biology, Universitätsklinikum Erlangen, 91052 Erlangen, Germany
- Medical Immunology Campus Erlangen (MICE), Friedrich-Alexander-Universität Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Lukas Heger
- Department of Dermatology, Laboratory of Dendritic Cell Biology, Universitätsklinikum Erlangen, 91052 Erlangen, Germany
| | - Diana Dudziak
- Department of Dermatology, Laboratory of Dendritic Cell Biology, Universitätsklinikum Erlangen, 91052 Erlangen, Germany
- Medical Immunology Campus Erlangen (MICE), Friedrich-Alexander-Universität Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Christoph Alexiou
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, 91054 Erlangen, Germany; (M.M.)
| | - Geoffrey Lee
- Department of Chemistry and Pharmacy, Division of Pharmaceutics, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91058 Erlangen, Germany
| | - Christina Janko
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, 91054 Erlangen, Germany; (M.M.)
- Correspondence: ; Tel.: +49-9131-85-33142
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Chlamydia-induced curvature of the host-cell plasma membrane is required for infection. Proc Natl Acad Sci U S A 2020; 117:2634-2644. [PMID: 31964834 PMCID: PMC7007526 DOI: 10.1073/pnas.1911528117] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
During invasion of host cells, Chlamydia pneumoniae secretes the effector protein CPn0678, which facilitates internalization of the pathogen by remodeling the target cell's plasma membrane and recruiting sorting nexin 9 (SNX9), a central multifunctional endocytic scaffold protein. We show here that the strongly amphipathic N-terminal helix of CPn0678 mediates binding to phospholipids in both the plasma membrane and synthetic membranes, and is sufficient to induce extensive membrane tubulations. CPn0678 interacts via its conserved C-terminal polyproline sequence with the Src homology 3 domain of SNX9. Thus, SNX9 is found at bacterial entry sites, where C. pneumoniae is internalized via EGFR-mediated endocytosis. Moreover, depletion of human SNX9 significantly reduces internalization, whereas ectopic overexpression of CPn0678-GFP results in a dominant-negative effect on endocytotic processes in general, leading to the uptake of fewer chlamydial elementary bodies and diminished turnover of EGFR. Thus, CPn0678 is an early effector involved in regulating the endocytosis of C. pneumoniae in an EGFR- and SNX9-dependent manner.
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Ouyang C, Zhang S, Xue C, Yu X, Xu H, Wang Z, Lu Y, Wu ZS. Precision-Guided Missile-Like DNA Nanostructure Containing Warhead and Guidance Control for Aptamer-Based Targeted Drug Delivery into Cancer Cells in Vitro and in Vivo. J Am Chem Soc 2020; 142:1265-1277. [PMID: 31895985 DOI: 10.1021/jacs.9b09782] [Citation(s) in RCA: 112] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
It is crucial to deliver anticancer drugs to target cells with high precision and efficiency. While nanomaterials have been shown to enhance the delivery efficiency once they reach the target, it remains challenging for precise drug delivery to overcome the nonspecific adsorption and off-target effect. To meet this challenge, we report herein the design of a novel DNA nanostructure to act as a DNA nanoscale precision-guided missile (D-PGM) for highly efficient loading and precise delivery of chemotherapeutic agents to specific target cells. The D-PGM consists of two parts: a warhead (WH) and a guidance/control (GC). The WH is a rod-like DNA nanostructure as a drug carrier, whose trunk is a three-dimensionally self-assembled DNA nanoscale architecture from the programmed hybridization among two palindromic DNA sequences in the x-y dimension and two common DNA oligonucleotides in the z direction, making the WH possess a high payload capacity of drugs. The GC is an aptamer-based logic gate assembled in a highly organized fashion capable of performing cell-subtype-specific recognition via the sequential disassembly, mediated by cell-anchored aptamers. Because of the cooperative effects between the WH and the GC, the GC logic gates operate like the guidance and control system in a precision-guided missile to steer the doxorubicin (DOX)-loaded DNA WH toward target cancer cells, leading to selective and enhanced therapeutic efficacy. Moreover, fluorophores attached to different locations of D-PGM and DOX fluorescence dequenching upon release enable intracellular tracing of the DNA nanostructures and drugs. The results demonstrate that by mimicking the functionalities of a military precision-guided missile to design the sequential disassembly of the GC system in multistimuli-responsive fashion, our intrinsically biocompatible and degradable D-PGM can accurately identify target cancer cells in complex biological milieu and achieve active targeted drug delivery. The success of this strategy paves the way for specific cell identity and targeted cancer therapy.
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Affiliation(s)
- Changhe Ouyang
- Cancer Metastasis Alert and Prevention Center, Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, National & Local Joint Biomedical Engineering Research Center on Photodynamic Technologies, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry , Fuzhou University , Fuzhou 350108 , China
| | - Songbai Zhang
- Cancer Metastasis Alert and Prevention Center, Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, National & Local Joint Biomedical Engineering Research Center on Photodynamic Technologies, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry , Fuzhou University , Fuzhou 350108 , China.,Department of Chemistry , University of Illinois at Urbana-Champaign , Urbana , Illinois 61801 , United States.,College of Chemistry and Materials Engineering , Hunan University of Arts and Science , Changde 415000 , China
| | - Chang Xue
- Cancer Metastasis Alert and Prevention Center, Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, National & Local Joint Biomedical Engineering Research Center on Photodynamic Technologies, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry , Fuzhou University , Fuzhou 350108 , China
| | - Xin Yu
- Cancer Metastasis Alert and Prevention Center, Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, National & Local Joint Biomedical Engineering Research Center on Photodynamic Technologies, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry , Fuzhou University , Fuzhou 350108 , China
| | - Huo Xu
- Cancer Metastasis Alert and Prevention Center, Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, National & Local Joint Biomedical Engineering Research Center on Photodynamic Technologies, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry , Fuzhou University , Fuzhou 350108 , China
| | - Zhenmeng Wang
- Cancer Metastasis Alert and Prevention Center, Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, National & Local Joint Biomedical Engineering Research Center on Photodynamic Technologies, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry , Fuzhou University , Fuzhou 350108 , China
| | - Yi Lu
- Department of Chemistry , University of Illinois at Urbana-Champaign , Urbana , Illinois 61801 , United States
| | - Zai-Sheng Wu
- Cancer Metastasis Alert and Prevention Center, Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, National & Local Joint Biomedical Engineering Research Center on Photodynamic Technologies, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry , Fuzhou University , Fuzhou 350108 , China
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32
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Yao C, Akakuru OU, Stanciu SG, Hampp N, Jin Y, Zheng J, Chen G, Yang F, Wu A. Effect of elasticity on the phagocytosis of micro/nanoparticles. J Mater Chem B 2020; 8:2381-2392. [DOI: 10.1039/c9tb02902h] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
A broad range of investigation methods and frameworks are used to better study the elasticity of various micro/nanoparticles (MNPs) with different properties and to explore the effect of such properties on their interactions with biological species.
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Affiliation(s)
- Chenyang Yao
- Cixi Institute of Biomedical Engineering
- CAS Key Laboratory of Magnetic Materials and Devices & Key Laboratory of Additive Manufacturing Materials of Zhejiang Province
- Ningbo Institute of Materials Technology and Engineering
- Chinese Academy of Sciences
- Ningbo 315201
| | - Ozioma Udochukwu Akakuru
- Cixi Institute of Biomedical Engineering
- CAS Key Laboratory of Magnetic Materials and Devices & Key Laboratory of Additive Manufacturing Materials of Zhejiang Province
- Ningbo Institute of Materials Technology and Engineering
- Chinese Academy of Sciences
- Ningbo 315201
| | - Stefan G. Stanciu
- Center for Microscopy-Microanalysis and Information Processing
- University Politehnica of Bucharest
- Bucharest 060042
- Romania
| | - Norbert Hampp
- Fachbereich Chemie
- Philipps Universität Marburg
- Marburg
- Germany
| | - Yinhua Jin
- HwaMei Hospital
- University of Chinese Academy of Sciences
- P. R. China
| | - Jianjun Zheng
- HwaMei Hospital
- University of Chinese Academy of Sciences
- P. R. China
| | - Guoping Chen
- HwaMei Hospital
- University of Chinese Academy of Sciences
- P. R. China
| | - Fang Yang
- Cixi Institute of Biomedical Engineering
- CAS Key Laboratory of Magnetic Materials and Devices & Key Laboratory of Additive Manufacturing Materials of Zhejiang Province
- Ningbo Institute of Materials Technology and Engineering
- Chinese Academy of Sciences
- Ningbo 315201
| | - Aiguo Wu
- Cixi Institute of Biomedical Engineering
- CAS Key Laboratory of Magnetic Materials and Devices & Key Laboratory of Additive Manufacturing Materials of Zhejiang Province
- Ningbo Institute of Materials Technology and Engineering
- Chinese Academy of Sciences
- Ningbo 315201
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Jyoti K, Jain S, Katare OP, Katyal A, Chandra R, Madan J. Non-small cell lung cancer tumour antigen, MUC-1 peptide-loaded non-aggregated poly (lactide-co-glycolide) nanoparticles augmented cellular uptake in mouse professional antigen-presenting cells: optimisation and characterisation. J Microencapsul 2019; 37:14-28. [DOI: 10.1080/02652048.2019.1692943] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Kiran Jyoti
- Department of Pharmaceutics, Chandigarh College of Pharmacy, Mohali, Punjab, India
- IK Gujral Punjab Technical University, Jalandhar, Punjab, India
| | - Sanyog Jain
- Centre for Pharmaceutical Nanotechnology, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, SAS Nagar, Punjab, India
| | - Om Prakash Katare
- University Institute of Pharmaceutical Sciences, Punjab University, Chandigarh, India
| | - Anju Katyal
- Dr. B. R Ambedkar Centre for Biomedical Research, University of Delhi, Delhi, India
| | - Ramesh Chandra
- Dr. B. R Ambedkar Centre for Biomedical Research, University of Delhi, Delhi, India
- Department of Chemistry, University of Delhi, Delhi, India
| | - Jitender Madan
- Department of Pharmaceutics, Chandigarh College of Pharmacy, Mohali, Punjab, India
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34
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Cao F, Wu L, Zhang X, Li S, Wang C, Zhen W, Jiang X. Dynamic surface properties of PEG-coated CuS nanoparticles alter their interaction with cells as revealed by surface-enhanced infrared spectroscopy. NANOSCALE ADVANCES 2019; 1:4268-4276. [PMID: 36134396 PMCID: PMC9417538 DOI: 10.1039/c9na00371a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Accepted: 09/16/2019] [Indexed: 06/12/2023]
Abstract
Characterization of the dynamic changes of the basic surface properties of nanoparticles is of great significance to reveal the interaction mechanism between nanoparticles and cells; however, it is often neglected due to the limitations of existing analytical methods. This knowledge has been renewed by using surface enhanced infrared absorption spectroscopy (SEIRAS) to study the interaction between PEG-CuS nanoparticles and living cells attached to rGO-Au modified Au films. Based on the difference spectra of cell membranes and the associated water, we clearly revealed that Cu2+ ions produced by the degradation of PEG-CuS can coordinate with PEG, thus changing the interaction between nanoparticles and cells including how and how many nanoparticles enter the cells and the sequential photothermal effect, which breaks through the limitations of the present analytical methods.
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Affiliation(s)
- Fengjuan Cao
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Science Changchun 130022 Jilin China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Lie Wu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Science Changchun 130022 Jilin China
| | - Xiaofei Zhang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Science Changchun 130022 Jilin China
- Department of Chemistry, University of Science and Technology of China Anhui 230026 China
| | - Shanshan Li
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Science Changchun 130022 Jilin China
- Department of Chemistry, University of Science and Technology of China Anhui 230026 China
| | - Chao Wang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Science Changchun 130022 Jilin China
- Department of Chemistry, University of Science and Technology of China Anhui 230026 China
| | - Wenyao Zhen
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Science Changchun 130022 Jilin China
- Department of Chemistry, University of Science and Technology of China Anhui 230026 China
| | - Xiue Jiang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Science Changchun 130022 Jilin China
- University of Chinese Academy of Sciences Beijing 100049 China
- Department of Chemistry, University of Science and Technology of China Anhui 230026 China
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35
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Mühlberger M, Janko C, Unterweger H, Friedrich RP, Friedrich B, Band J, Cebulla N, Alexiou C, Dudziak D, Lee G, Tietze R. Functionalization Of T Lymphocytes With Citrate-Coated Superparamagnetic Iron Oxide Nanoparticles For Magnetically Controlled Immune Therapy. Int J Nanomedicine 2019; 14:8421-8432. [PMID: 31749616 PMCID: PMC6817714 DOI: 10.2147/ijn.s218488] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Accepted: 09/03/2019] [Indexed: 12/15/2022] Open
Abstract
PURPOSE Immune activation with T cell tumor infiltration is beneficial for the prognosis of patients suffering from solid cancer. Depending on their immune status, solid tumors can be immunologically classified into three groups: "hot" tumors are infiltrated with T lymphocytes, "cold" tumors are not infiltrated and "immune excluded" tumors are only infiltrated in the peripheral tumor tissue. Checkpoint inhibitors provide new therapeutic options for "hot" tumors by triggering the immune response of T cells. In order to enable this for cold tumors as well, T cells must be enriched in the tumor. Therefore, we use the principle of magnetic targeting to guide T cells loaded with citrate-coated superparamagnetic iron oxide nanoparticles (SPIONCitrate) to the tumor by an externally applied magnetic field. METHODS SPIONCitrate were produced by alkaline coprecipitation of iron(II) and iron(III) chloride and in situ coating with sodium citrate. The concentration-dependent cytocompatibility of the particles was determined by flow cytometry and blood stability assays. Atomic emission spectroscopy was used for the quantification of the particle uptake into T lymphocytes. The attractability of the loaded cells was observed by live-cell imaging in the presence of an externally applied magnetic field. RESULTS SPIONCitrate displayed good cytocompatibility to T cells and did not show any sign of aggregation in blood. Finally, SPIONCitrate-loaded T cells were strongly attracted by a small external magnet. CONCLUSION T cells can be "magnetized" by incorporation of SPIONCitrate for magnetic targeting. The production of the particle-cell hybrid system is straightforward, as the loading process only requires basic laboratory devices and the loading efficiency is sufficient for cells being magnetically controllable. For these reasons, SPIONCitrate are potential suitable candidates for magnetic T cell targeting.
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Affiliation(s)
- Marina Mühlberger
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, Erlangen, Germany
- Department of Chemistry and Pharmacy, Division of Pharmaceutics, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Christina Janko
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Harald Unterweger
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Ralf P Friedrich
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Bernhard Friedrich
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Julia Band
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Nadine Cebulla
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Christoph Alexiou
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Diana Dudziak
- Department of Dermatology, Laboratory of Dendritic Cell Biology, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Geoffrey Lee
- Department of Chemistry and Pharmacy, Division of Pharmaceutics, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Rainer Tietze
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, Erlangen, Germany
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36
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Deng X, Liang S, Cai X, Huang S, Cheng Z, Shi Y, Pang M, Ma P, Lin J. Yolk-Shell Structured Au Nanostar@Metal-Organic Framework for Synergistic Chemo-photothermal Therapy in the Second Near-Infrared Window. NANO LETTERS 2019; 19:6772-6780. [PMID: 31496257 DOI: 10.1021/acs.nanolett.9b01716] [Citation(s) in RCA: 183] [Impact Index Per Article: 36.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Light-sensitive yolk-shell nanoparticles (YSNs) as remote-controlled and stimuli-responsive theranostic platforms provide an attractive method for synergistic cancer therapy. Herein, a kind of novel stimuli-responsive multifunctional YSNs has been successfully constructed by integrating star-shaped gold (Au star) nanoparticles as the second near-infrared (NIR-II) photothermal yolks and biodegradable crystalline zeolitic imidazolate framework-8 (ZIF-8) as the shells. In this platform, a chemotherapeutic drug (doxorubicin hydrochloride, DOX) was encapsulated into the cavity, which can show the behavior of controlled release due to the degradation process of ZIF-8 in the mildly acidic tumor microenvironment. Upon the 1064 nm (NIR-II biowindow) laser irradiation, gold nanostar@ZIF-8 (Au@MOF) nanoparticles exhibited outstanding synergistic anticancer effect based on their photothermal and promoted cargo release properties. Moreover, the strong NIR region absorbance endows the Au@MOF of NIR thermal imaging and photoacoustic (PA) imaging properties. This work contributes to design a stimuli-responsive "all-in-one" nanocarrier that realizes bimodal imaging diagnosis and chemo-photothermal synergistic therapy.
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Affiliation(s)
- Xiaoran Deng
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , P.R. China
- University of Chinese Academy of Sciences , Beijing 100049 , P.R. China
| | - Shuang Liang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , P.R. China
- University of Science and Technology of China , Hefei 230026 , P.R. China
| | - Xuechao Cai
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , P.R. China
- University of Chinese Academy of Sciences , Beijing 100049 , P.R. China
| | - Shanshan Huang
- School of Chemistry and Pharmaceutical Engineering , Huanghuai University , Zhumadian 463000 , China
| | - Ziyong Cheng
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , P.R. China
- University of Science and Technology of China , Hefei 230026 , P.R. China
| | - Yanshu Shi
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , P.R. China
- University of Chinese Academy of Sciences , Beijing 100049 , P.R. China
| | - Maolin Pang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , P.R. China
- University of Science and Technology of China , Hefei 230026 , P.R. China
| | - Ping'an Ma
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , P.R. China
| | - Jun Lin
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , P.R. China
- University of Science and Technology of China , Hefei 230026 , P.R. China
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37
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Guan Z, Wang L, Lin J, Xue J. Endocytosis behaviours of nanoparticles with helically decorated ligands. POLYM INT 2019. [DOI: 10.1002/pi.5896] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Zhou Guan
- Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of the Ministry of Education, School of Materials Science and EngineeringEast China University of Science and Technology Shanghai China
| | - Liquan Wang
- Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of the Ministry of Education, School of Materials Science and EngineeringEast China University of Science and Technology Shanghai China
| | - Jiaping Lin
- Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of the Ministry of Education, School of Materials Science and EngineeringEast China University of Science and Technology Shanghai China
| | - Jiaxiao Xue
- Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of the Ministry of Education, School of Materials Science and EngineeringEast China University of Science and Technology Shanghai China
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38
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Versatile electrostatically assembled polymeric siRNA nanovectors: Can they overcome the limits of siRNA tumor delivery? Int J Pharm 2019; 567:118432. [DOI: 10.1016/j.ijpharm.2019.06.023] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 06/04/2019] [Accepted: 06/10/2019] [Indexed: 11/20/2022]
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Goldshtein M, Shamir S, Vinogradov E, Monsonego A, Cohen S. Co-assembled Ca 2+ Alginate-Sulfate Nanoparticles for Intracellular Plasmid DNA Delivery. MOLECULAR THERAPY. NUCLEIC ACIDS 2019; 16:378-390. [PMID: 31003172 PMCID: PMC6475713 DOI: 10.1016/j.omtn.2019.03.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 03/15/2019] [Accepted: 03/15/2019] [Indexed: 12/28/2022]
Abstract
Successful gene therapy requires the development of suitable carriers for the selective and efficient delivery of genes to specific target cells, with minimal toxicity. In this work, we present a non-viral vector for gene delivery composed of biocompatible materials, CaCl2, plasmid DNA and the semi-synthetic anionic biopolymer alginate sulfate (AlgS), which spontaneously co-assembled to form nanoparticles (NPs). The NPs were characterized with a slightly anionic surface charge (Zeta potential [ζ] = -14 mV), an average size of 270 nm, and their suspension was stable for several days with no aggregation. X-ray photoelectron spectroscopy (XPS) validated their ternary composition, and it elucidated the molecular interactions among Ca2+, the plasmid DNA, and the AlgS. Efficient cellular uptake (>80%), associated with potent GFP gene expression (22%-35%), was observed across multiple cell types: primary rat neonatal cardiac fibroblasts, human breast cancer cell line, and human hepatocellular carcinoma cells. The uptake mechanism of the NPs was studied using imaging flow cytometry and shown to be via active, clathrin-mediated endocytosis, as chemical inhibition of this pathway significantly reduced EGFP expression. The NPs were cytocompatible and did not activate the T lymphocytes in human peripheral blood mononuclear cells. Proof of concept for the efficacy of these NPs as a carrier in cancer gene therapy was demonstrated for Diphtheria Toxin Fragment A (DT-A), resulting in abrogation of protein synthesis and cell death in the human breast cancer cell line. Collectively, our results show that the developed AlgS-Ca2+-plasmid DNA (pDNA) NPs may be used as an effective non-viral carrier for pDNA.
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Affiliation(s)
- Matan Goldshtein
- Avram and Stella Goldstein-Goren Department of Biotechnology Engineering, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Stav Shamir
- Avram and Stella Goldstein-Goren Department of Biotechnology Engineering, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Ekaterina Vinogradov
- Shraga Segal Department of Microbiology, Immunology, and Genetics, Faculty of Health Sciences, The National Institute of Biotechnology in the Negev, and Zlotowski Center for Neuroscience, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Alon Monsonego
- Shraga Segal Department of Microbiology, Immunology, and Genetics, Faculty of Health Sciences, The National Institute of Biotechnology in the Negev, and Zlotowski Center for Neuroscience, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel; Regenerative Medicine and Stem Cell (RMSC) Research Center, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Smadar Cohen
- Avram and Stella Goldstein-Goren Department of Biotechnology Engineering, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel; Regenerative Medicine and Stem Cell (RMSC) Research Center, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel; The Ilse Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel.
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40
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Wang X, Chao Y, Wang Y, Xu B, Wang C, Li H. Identification of an adaptor protein‐2 mu gene (
AccAP2m
) in
Apis cerana cerana
and its role in oxidative stress responses. J Cell Biochem 2019; 120:16600-16613. [DOI: 10.1002/jcb.28919] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 04/07/2019] [Accepted: 04/11/2019] [Indexed: 12/13/2022]
Affiliation(s)
- Xinxin Wang
- State Key Laboratory of Crop Biology College of Life Sciences, Shandong Agricultural University Taian Shandong PR China
| | - Yuzhen Chao
- State Key Laboratory of Crop Biology College of Life Sciences, Shandong Agricultural University Taian Shandong PR China
| | - Ying Wang
- College of Animal Science and Technology Shandong Agricultural University Taian Shandong PR China
| | - Baohua Xu
- College of Animal Science and Technology Shandong Agricultural University Taian Shandong PR China
| | - Chen Wang
- State Key Laboratory of Crop Biology College of Life Sciences, Shandong Agricultural University Taian Shandong PR China
| | - Han Li
- State Key Laboratory of Crop Biology College of Life Sciences, Shandong Agricultural University Taian Shandong PR China
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Fujioka Y, Satoh AO, Horiuchi K, Fujioka M, Tsutsumi K, Sasaki J, Nepal P, Kashiwagi S, Paudel S, Nishide S, Nanbo A, Sasaki T, Ohba Y. A Peptide Derived from Phosphoinositide 3-kinase Inhibits Endocytosis and Influenza Virus Infection. Cell Struct Funct 2019; 44:61-74. [PMID: 30905923 DOI: 10.1247/csf.19001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Endocytosis mediates the internalization and ingestion of a variety of endogenous or exogenous substances, including virus particles, under the control of intracellular signaling pathways. We have previously reported that the complex formed between the small GTPase Ras and phosphoinositide 3-kinase (PI3K) translocates from the plasma membrane to endosomes, signaling from which thereby regulates clathrin-independent endocytosis, endosome maturation, influenza virus internalization, and infection. However, the molecular mechanism by which the Ras-PI3K complex is recruited to endosomes remains unclear. Here, we have identified the amino acid sequence responsible for endosomal localization of the Ras-PI3K complex. PI3K lacking this sequence failed to translocate to endosomes, and expression of the peptide comprising this PI3K-derived sequence inhibited clathrin-independent endocytosis, influenza virus internalization, and infection. Moreover, treatment of cells with this peptide in an arginine-rich, cell-penetrating form successfully suppressed influenza virus infection in vitro and ex vivo, making this peptide a potential therapeutic agent against influenza virus infection.Key words: signal transduction, endocytosis, endosome, imaging, influenza virus.
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Affiliation(s)
- Yoichiro Fujioka
- Department of Cell Physiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University
| | - Aya O Satoh
- Department of Cell Physiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University
| | - Kosui Horiuchi
- Department of Cell Physiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University
| | - Mari Fujioka
- Department of Cell Physiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University
| | - Kaori Tsutsumi
- Department of Biological Sciences and Engineering, Faculty of Health Sciences, Hokkaido University
| | - Junko Sasaki
- Department of Biochemical Pathophysiology, Medical Research Institute, Tokyo Medical and Dental University
| | - Prabha Nepal
- Department of Cell Physiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University
| | - Sayaka Kashiwagi
- Department of Cell Physiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University
| | - Sarad Paudel
- Department of Cell Physiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University
| | - Shinya Nishide
- Department of Cell Physiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University
| | - Asuka Nanbo
- Department of Cell Physiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University
| | - Takehiko Sasaki
- Department of Biochemical Pathophysiology, Medical Research Institute, Tokyo Medical and Dental University
| | - Yusuke Ohba
- Department of Cell Physiology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University.,Whitman Center, Marine Biological Laboratory
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42
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Ranji-Burachaloo H, Reyhani A, Gurr PA, Dunstan DE, Qiao GG. Combined Fenton and starvation therapies using hemoglobin and glucose oxidase. NANOSCALE 2019; 11:5705-5716. [PMID: 30865742 DOI: 10.1039/c8nr09107b] [Citation(s) in RCA: 87] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Separately, Fenton and starvation cancer therapies have been recently reported as impressive methods for tumor destruction. Here, we introduce natural hemoglobin and glucose oxidase (GOx) for efficient cancer treatment following combined Fenton and starvation therapies. GOx and hemoglobin were encapsulated in zeolitic imidazolate frameworks 8 (ZIF-8) to fabricate a pH-sensitive MOF activated by tumor acidity. In the slightly acidic environment of cancer cells, GOx is released and it consumes d-glucose and molecular oxygen, nutrients essential for the survival of cancer cells, and produces gluconic acid and hydrogen peroxide, respectively. The produced gluconic acid increases the acidity of the tumor microenvironment leading to complete MOF destruction and enhances hemoglobin and GOx release. The Fe ions from the heme groups of hemoglobin also release in the presence of both endogenous and produced H2O2 and generate hydroxyl radicals. The produced OH˙ radical can rapidly oxidize the surrounding biomacromolecules in the biological system and treat the cancer cells. In vitro experiments demonstrate that this novel nanoparticle is cytotoxic to cancer cells HeLa and MCF-7, at very low concentrations (<2 μg mL-1). In addition, the selectivity index values are 5.52 and 11.04 for HeLa and MCF-7 cells, respectively, which are much higher than those of commercial drugs and those of similar studies reported by other research groups. This work thus demonstrates a novel pH-sensitive system containing hemoglobin and GOx for effective and selective cancer treatment using both radical generation and nutrient starvation.
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Affiliation(s)
- Hadi Ranji-Burachaloo
- Polymer Science Group, Department of Chemical Engineering, The University of Melbourne, Parkville, VIC 3010, Australia.
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43
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Cellular Uptake Mechanisms and Detection of Nanoparticle Uptake by Advanced Imaging Methods. BIOLOGICAL RESPONSES TO NANOSCALE PARTICLES 2019. [DOI: 10.1007/978-3-030-12461-8_8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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44
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Mansur AP, Mansur HS, Carvalho SM, Lobato ZI, Leite MDF, Mansur LL. Fluorescent ZnS Quantum Dots-Phosphoethanolamine Nanoconjugates for Bioimaging Live Cells in Cancer Research. ACS OMEGA 2018; 3:15679-15691. [PMID: 30556011 PMCID: PMC6288785 DOI: 10.1021/acsomega.8b02098] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2018] [Accepted: 11/05/2018] [Indexed: 05/02/2023]
Abstract
Many human diseases, including metabolic, immune, and central nervous system disorders, as well as several types of cancers, are the consequence of an important alteration in lipid-related metabolic biomolecules. Although recognized that one of the most important metabolic hallmarks of cancer cells is deregulation of lipid metabolism, the multiple complex signaling pathways are poorly understood yet. Thus, in this research, novel nanoconjugates made of ZnS quantum dots (QDs) were directly synthesized in aqueous media using phosphoethanolamine (PEA) as the capping ligand, which is an important biomolecule naturally present in cells for de novo biosynthesis of fatty acids and phospholipids involved in the cell structure (e.g., membrane), differentiation, and cancer growth. These QD-PEA bio-nanoconjugates were characterized by spectroscopical and morphological techniques. The results demonstrated that fluorescent ZnS nanocrystalline QDs were produced with uniform spherical morphology and estimated sizes of 3.3 ± 0.6 nm. These nanoconjugates indicated core-shell colloidal nanostructures (ZnS QD-PEA) with the hydrodynamic diameter (H D) of 26.0 ± 3.5 nm and ζ-potential centered at -30.0 ± 4.5 mV. The cell viability response using mitochondrial activity assay in vitroconfirmed no cytotoxicity at several concentrations of PEA (biomolecule) and the ZnS-PEA nanoconjugates. Moreover, these nanoconjugates effectively behaved as fluorescent nanomarkers for tracking the endocytic pathways of cancer cells using confocal laser scanning microscopy bioimaging. Hence, these results proved that biofunctionalized ZnS-PEA nanoprobes offer prospective tools for cellular bioimaging with encouraging forecast for future applications as active fluorescent biomarker conjugates in metabolic-related cancer research.
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Affiliation(s)
- Alexandra
A. P. Mansur
- Center
of Nanoscience, Nanotechnology and Innovation-CeNanoI, Department
of Preventive Veterinary Medicine, Veterinary School,
and Department of Physiology
and Biophysics, ICB, Federal University
of Minas Gerais-UFMG, Av. Antônio Carlos, 6627 Belo Horizonte/MG, Brazil
| | - Herman S. Mansur
- Center
of Nanoscience, Nanotechnology and Innovation-CeNanoI, Department
of Preventive Veterinary Medicine, Veterinary School,
and Department of Physiology
and Biophysics, ICB, Federal University
of Minas Gerais-UFMG, Av. Antônio Carlos, 6627 Belo Horizonte/MG, Brazil
- E-mail: . Phone/Fax: +55-31-34091843 (H.S.M.)
| | - Sandhra M. Carvalho
- Center
of Nanoscience, Nanotechnology and Innovation-CeNanoI, Department
of Preventive Veterinary Medicine, Veterinary School,
and Department of Physiology
and Biophysics, ICB, Federal University
of Minas Gerais-UFMG, Av. Antônio Carlos, 6627 Belo Horizonte/MG, Brazil
| | - Zélia I.
P. Lobato
- Center
of Nanoscience, Nanotechnology and Innovation-CeNanoI, Department
of Preventive Veterinary Medicine, Veterinary School,
and Department of Physiology
and Biophysics, ICB, Federal University
of Minas Gerais-UFMG, Av. Antônio Carlos, 6627 Belo Horizonte/MG, Brazil
| | - Maria de Fátima Leite
- Center
of Nanoscience, Nanotechnology and Innovation-CeNanoI, Department
of Preventive Veterinary Medicine, Veterinary School,
and Department of Physiology
and Biophysics, ICB, Federal University
of Minas Gerais-UFMG, Av. Antônio Carlos, 6627 Belo Horizonte/MG, Brazil
| | - Lorena L. Mansur
- Center
of Nanoscience, Nanotechnology and Innovation-CeNanoI, Department
of Preventive Veterinary Medicine, Veterinary School,
and Department of Physiology
and Biophysics, ICB, Federal University
of Minas Gerais-UFMG, Av. Antônio Carlos, 6627 Belo Horizonte/MG, Brazil
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45
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Tao J, Dang M, Su X, Hao Q, Zhang J, Ma X, Lu G, Zhang Y, Tian Y, Weng L, Teng Z, Wang L. Facile synthesis of yolk–shell structured monodisperse mesoporous organosilica nanoparticles by a mild alkalescent etching approach. J Colloid Interface Sci 2018; 527:33-39. [DOI: 10.1016/j.jcis.2018.05.024] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Revised: 05/10/2018] [Accepted: 05/11/2018] [Indexed: 12/18/2022]
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46
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Mosquera J, García I, Liz-Marzán LM. Cellular Uptake of Nanoparticles versus Small Molecules: A Matter of Size. Acc Chem Res 2018; 51:2305-2313. [PMID: 30156826 DOI: 10.1021/acs.accounts.8b00292] [Citation(s) in RCA: 240] [Impact Index Per Article: 40.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The primary function of the cell membrane is to protect cells from their surroundings. This entails a strict regulation on controlling the exchange of matter between the cell and its environment. A key factor when considering potential biological applications of a particular chemical structure has to do with its ability to internalize into cells. Molecules that can readily cross cell membranes are frequently needed in biological research and medicine, since most therapeutic entities are designed to modulate intracellular components. However, the design of molecules that do not penetrate cells is also relevant toward, for example, extracellular contrast agents, which are most widely used in clinical diagnosis. Small molecules have occupied the forefront of biomedical research until recently, but the past few decades have seen an increasing use of larger chemical structures, such as proteins or nanoparticles, leading to unprecedented and often unexpectedly novel research. Great achievements have been made toward understanding the rules that govern cellular uptake, which show that cell internalization of molecules is largely affected by their size. For example, macromolecules such as proteins and nucleic acids are usually unable to internalize cells. Intriguingly, in the case of nanoparticles, larger sizes seem to facilitate internalization via endocytic pathways, through which the particles remain trapped in lysosomes and endosomes. In this Account, we aimed at presenting our personal view of how different chemical structures behave in terms of cell internalization due to their size, ranging from small drugs to large nanoparticles. We first introduce the properties of cell membranes and the main mechanisms involved in cellular uptake. We then discuss the cellular internalization of molecules, distinguishing between those with molecular weights below 1 kDa and biological macromolecules such as proteins and nucleic acids. In the last section, we review the biological behavior of nanoparticles, with a special emphasis on plasmonic nanoparticles, which feature a high potential in the biomedical field. For each group of chemical structures, we discuss the parameters affecting their cellular internalization but also strategies that can be applied to achieve the desired intracellular delivery. Particular attention is paid to approaches that allow conditional regulation of the cell internalization process using external triggers, such as activable cell penetrating peptides, due to the impact that these systems may have in drug delivery and sensing applications. The Account ends with a "Conclusions and Outlook" section, where general lessons and future directions toward further advancements are briefly presented.
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Affiliation(s)
- Jesús Mosquera
- CIC biomaGUNE and CIBER-BBN, Paseo de Miramón 182, 20014 Donostia-San Sebastián, Spain
| | - Isabel García
- CIC biomaGUNE and CIBER-BBN, Paseo de Miramón 182, 20014 Donostia-San Sebastián, Spain
| | - Luis M. Liz-Marzán
- CIC biomaGUNE and CIBER-BBN, Paseo de Miramón 182, 20014 Donostia-San Sebastián, Spain
- Ikerbasque, Basque Foundation for Science, 48013 Bilbao, Spain
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47
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Han X, Huang J, Jing X, Yang D, Lin H, Wang Z, Li P, Chen Y. Oxygen-Deficient Black Titania for Synergistic/Enhanced Sonodynamic and Photoinduced Cancer Therapy at Near Infrared-II Biowindow. ACS NANO 2018; 12:4545-4555. [PMID: 29697960 DOI: 10.1021/acsnano.8b00899] [Citation(s) in RCA: 262] [Impact Index Per Article: 43.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
The conventional inorganic semiconductors are not suitable for in vivo therapeutic nanomedicine because of the lack of an adequate and safe irradiation source to activate them. This work reports on the rational design of titania (TiO2)-based semiconductors for enhanced and synergistic sono-/photoinduced tumor eradication by creating an oxygen-deficient TiO2- x layer onto the surface of TiO2 nanocrystals, which can create a crystalline-disordered core/shell structure (TiO2@TiO2- x) with black color. As found in the lessons from traditional photocatalysis, such an oxygen-deficient TiO2- x layer with abundant oxygen defects facilitates and enhances the separation of electrons (e-) and holes (h+) from the energy-band structure upon external ultrasound irradiation, which can significantly improve the efficacy of sono-triggered sonocatalytic tumor therapy. Such an oxygen-deficient TiO2- x layer can also endow black titania nanoparticles with high photothermal-conversion efficiency (39.8%) at the NIR-II biowindow (1064 nm) for enhanced photothermal hyperthermia. Both in vitro cell level and systematic in vivo tumor-bearing mice xenograft evaluations have demonstrated the high synergistic efficacy of combined and enhanced sonodynamic therapy and photothermal ablation as assisted by oxygen-deficient black titania, which has achieved complete tumor eradication with high therapeutic biosafety and without obvious reoccurrence. This work not only provides the paradigm of high therapeutic efficacy of a combined sono-/photoinduced tumor-treatment protocol but also significantly broadens the nanomedical applications of semiconductor-based nanoplatforms by rational design of their nanostructures and control of their physiochemical properties.
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Affiliation(s)
- Xiaoxia Han
- Chongqing Key Laboratory of Ultrasound Molecular Imaging , Ultrasound Department of the Second Affiliated Hospital of Chongqing Medical University . Chongqing 400010 , People's Republic of China
| | - Ju Huang
- Chongqing Key Laboratory of Ultrasound Molecular Imaging , Ultrasound Department of the Second Affiliated Hospital of Chongqing Medical University . Chongqing 400010 , People's Republic of China
| | - Xiangxiang Jing
- Department of Ultrasound , Hainan General Hospital , Haikou 570311 , People's Republic of China
| | - Dayan Yang
- Department of Ultrasound , Hainan General Hospital , Haikou 570311 , People's Republic of China
| | - Han Lin
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics , Chinese Academy of Sciences , Shanghai 200050 , People's Republic of China
| | - Zhigang Wang
- Chongqing Key Laboratory of Ultrasound Molecular Imaging , Ultrasound Department of the Second Affiliated Hospital of Chongqing Medical University . Chongqing 400010 , People's Republic of China
| | - Pan Li
- Chongqing Key Laboratory of Ultrasound Molecular Imaging , Ultrasound Department of the Second Affiliated Hospital of Chongqing Medical University . Chongqing 400010 , People's Republic of China
| | - Yu Chen
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics , Chinese Academy of Sciences , Shanghai 200050 , People's Republic of China
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48
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Majdanski TC, Pretzel D, Czaplewska JA, Vitz J, Sungur P, Höppener S, Schubert S, Schacher FH, Schubert US, Gottschaldt M. Spherical and Worm-Like Micelles from Fructose-Functionalized Polyether Block Copolymers. Macromol Biosci 2018; 18:e1700396. [DOI: 10.1002/mabi.201700396] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Revised: 01/26/2018] [Indexed: 12/31/2022]
Affiliation(s)
- Tobias C. Majdanski
- Laboratory of Organic and Macromolecular Chemistry (IOMC); Friedrich Schiller University Jena; Humboldtstraße 10 07743 Jena Germany
- Jena Center for Soft Matter (JCSM); Friedrich Schiller University Jena; Philosophenweg 7 07743 Jena Germany
| | - David Pretzel
- Laboratory of Organic and Macromolecular Chemistry (IOMC); Friedrich Schiller University Jena; Humboldtstraße 10 07743 Jena Germany
- Jena Center for Soft Matter (JCSM); Friedrich Schiller University Jena; Philosophenweg 7 07743 Jena Germany
| | - Justyna A. Czaplewska
- Laboratory of Organic and Macromolecular Chemistry (IOMC); Friedrich Schiller University Jena; Humboldtstraße 10 07743 Jena Germany
- Jena Center for Soft Matter (JCSM); Friedrich Schiller University Jena; Philosophenweg 7 07743 Jena Germany
| | - Jürgen Vitz
- Laboratory of Organic and Macromolecular Chemistry (IOMC); Friedrich Schiller University Jena; Humboldtstraße 10 07743 Jena Germany
- Jena Center for Soft Matter (JCSM); Friedrich Schiller University Jena; Philosophenweg 7 07743 Jena Germany
| | - Pelin Sungur
- Laboratory of Organic and Macromolecular Chemistry (IOMC); Friedrich Schiller University Jena; Humboldtstraße 10 07743 Jena Germany
- Jena Center for Soft Matter (JCSM); Friedrich Schiller University Jena; Philosophenweg 7 07743 Jena Germany
| | - Stephanie Höppener
- Laboratory of Organic and Macromolecular Chemistry (IOMC); Friedrich Schiller University Jena; Humboldtstraße 10 07743 Jena Germany
- Jena Center for Soft Matter (JCSM); Friedrich Schiller University Jena; Philosophenweg 7 07743 Jena Germany
| | - Stephanie Schubert
- Jena Center for Soft Matter (JCSM); Friedrich Schiller University Jena; Philosophenweg 7 07743 Jena Germany
- Institute of Pharmacy; Friedrich Schiller University Jena; Otto-Schott-Straße 41 07743 Jena Germany
| | - Felix H. Schacher
- Laboratory of Organic and Macromolecular Chemistry (IOMC); Friedrich Schiller University Jena; Humboldtstraße 10 07743 Jena Germany
- Jena Center for Soft Matter (JCSM); Friedrich Schiller University Jena; Philosophenweg 7 07743 Jena Germany
| | - Ulrich S. Schubert
- Laboratory of Organic and Macromolecular Chemistry (IOMC); Friedrich Schiller University Jena; Humboldtstraße 10 07743 Jena Germany
- Jena Center for Soft Matter (JCSM); Friedrich Schiller University Jena; Philosophenweg 7 07743 Jena Germany
| | - Michael Gottschaldt
- Laboratory of Organic and Macromolecular Chemistry (IOMC); Friedrich Schiller University Jena; Humboldtstraße 10 07743 Jena Germany
- Jena Center for Soft Matter (JCSM); Friedrich Schiller University Jena; Philosophenweg 7 07743 Jena Germany
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49
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Zhang X, Ren J, Wang J, Li S, Zou Q, Gao N. Receptor-mediated endocytosis generates nanomechanical force reflective of ligand identity and cellular property. J Cell Physiol 2018; 233:5908-5919. [PMID: 29243828 DOI: 10.1002/jcp.26400] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Accepted: 12/12/2017] [Indexed: 01/07/2023]
Abstract
Whether environmental (thermal, chemical, and nutrient) signals generate quantifiable, nanoscale, mechanophysical changes in the cellular plasma membrane has not been well elucidated. Assessment of such mechanophysical properties of plasma membrane may shed lights on fundamental cellular process. Atomic force microscopic (AFM) measurement of the mechanical properties of live cells was hampered by the difficulty in accounting for the effects of the cantilever motion and the associated hydrodynamic force on the mechanical measurement. These challenges have been addressed in our recently developed control-based AFM nanomechanical measurement protocol, which enables a fast, noninvasive, broadband measurement of the real-time changes in plasma membrane elasticity in live cells. Here we show using this newly developed AFM platform that the plasma membrane of live mammalian cells exhibits a constant and quantifiable nanomechanical property, the membrane elasticity. This mechanical property sensitively changes in response to environmental factors, such as the thermal, chemical, and growth factor stimuli. We demonstrate that different chemical inhibitors of endocytosis elicit distinct changes in plasma membrane elastic modulus reflecting their specific molecular actions on the lipid configuration or the endocytic machinery. Interestingly, two different growth factors, EGF and Wnt3a, elicited distinct elastic force profiles revealed by AFM at the plasma membrane during receptor-mediated endocytosis. By applying this platform to genetically modified cells, we uncovered a previously unknown contribution of Cdc42, a key component of the cellular trafficking network, to EGF-stimulated endocytosis at plasma membrane. Together, this nanomechanical AFM study establishes an important foundation that is expandable and adaptable for investigation of cellular membrane evolution in response to various key extracellular signals.
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Affiliation(s)
- Xiao Zhang
- Department of Biological Sciences, Rutgers University, Newark, New Jersey
| | - Juan Ren
- Department of Mechanical Engineering, Iowa State University, Ames, Iowa
| | - Jingren Wang
- Department of Mechanical and Aerospace Engineering, Rutgers University, Piscataway, New Jersey
| | - Shixie Li
- Department of Mechanical and Aerospace Engineering, Rutgers University, Piscataway, New Jersey
| | - Qingze Zou
- Department of Mechanical and Aerospace Engineering, Rutgers University, Piscataway, New Jersey
| | - Nan Gao
- Department of Biological Sciences, Rutgers University, Newark, New Jersey
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50
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Tiong KH, Tan BS, Choo HL, Chung FFL, Hii LW, Tan SH, Khor NTW, Wong SF, See SJ, Tan YF, Rosli R, Cheong SK, Leong CO. Fibroblast growth factor receptor 4 (FGFR4) and fibroblast growth factor 19 (FGF19) autocrine enhance breast cancer cells survival. Oncotarget 2018; 7:57633-57650. [PMID: 27192118 PMCID: PMC5295378 DOI: 10.18632/oncotarget.9328] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Accepted: 04/26/2016] [Indexed: 12/27/2022] Open
Abstract
Basal-like breast cancer is an aggressive tumor subtype with poor prognosis. The discovery of underlying mechanisms mediating tumor cell survival, and the development of novel agents to target these pathways, is a priority for patients with basal-like breast cancer. From a functional screen to identify key drivers of basal-like breast cancer cell growth, we identified fibroblast growth factor receptor 4 (FGFR4) as a potential mediator of cell survival. We found that FGFR4 mediates cancer cell survival predominantly via activation of PI3K/AKT. Importantly, a subset of basal-like breast cancer cells also secrete fibroblast growth factor 19 (FGF19), a canonical ligand specific for FGFR4. siRNA-mediated silencing of FGF19 or neutralization of extracellular FGF19 by anti-FGF19 antibody (1A6) decreases AKT phosphorylation, suppresses cancer cell growth and enhances doxorubicin sensitivity only in the FGFR4+/FGF19+ breast cancer cells. Consistently, FGFR4/FGF19 co-expression was also observed in 82 out of 287 (28.6%) primary breast tumors, and their expression is strongly associated with AKT phosphorylation, Ki-67 staining, higher tumor stage and basal-like phenotype. In summary, our results demonstrated the presence of an FGFR4/FGF19 autocrine signaling that mediates the survival of a subset of basal-like breast cancer cells and suggest that inactivation of this autocrine loop may potentially serve as a novel therapeutic intervention for future treatment of breast cancers.
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Affiliation(s)
- Kai Hung Tiong
- School of Postgraduate Studies, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia.,Oral Cancer Research and Coordinating Center (OCRCC), Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia.,Cancer Research Initiatives Foundation, Sime Darby Medical Centre, Subang Jaya, Malaysia
| | - Boon Shing Tan
- School of Postgraduate Studies, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia.,Institute of Biological Chemistry, Academia Sinica, Taipei, Taiwan
| | - Heng Lungh Choo
- School of Postgraduate Studies, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia.,Center for Cancer and Stem Cell Research, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Felicia Fei-Lei Chung
- Center for Cancer and Stem Cell Research, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Ling-Wei Hii
- School of Postgraduate Studies, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia.,Center for Cancer and Stem Cell Research, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Si Hoey Tan
- School of Postgraduate Studies, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia.,Center for Cancer and Stem Cell Research, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Nelson Tze Woei Khor
- School of Medicine, Faculty of Medical and Health Sciences, The University of Auckland, New Zealand
| | - Shew Fung Wong
- School of Medicine, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Sze-Jia See
- Center for Cancer and Stem Cell Research, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Yuen-Fen Tan
- School of Postgraduate Studies, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia.,Center for Cancer and Stem Cell Research, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Rozita Rosli
- UPM-MAKNA Cancer Research Laboratory, Institute of Bioscience, Universiti Putra Malaysia, UPM Serdang, Selangor, Malaysia
| | - Soon-Keng Cheong
- Faculty of Medicine and Health Sciences, University Tunku Abdul Rahman, Bandar Sungai Long, Selangor, Malaysia
| | - Chee-Onn Leong
- Center for Cancer and Stem Cell Research, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia.,School of Pharmacy, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia
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