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Weiss A, D'Amata C, Pearson BJ, Hayes MN. A syngeneic spontaneous zebrafish model of tp53-deficient, EGFR vIII, and PI3KCA H1047R-driven glioblastoma reveals inhibitory roles for inflammation during tumor initiation and relapse in vivo. eLife 2024; 13:RP93077. [PMID: 39052000 PMCID: PMC11272161 DOI: 10.7554/elife.93077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2024] Open
Abstract
High-throughput vertebrate animal model systems for the study of patient-specific biology and new therapeutic approaches for aggressive brain tumors are currently lacking, and new approaches are urgently needed. Therefore, to build a patient-relevant in vivo model of human glioblastoma, we expressed common oncogenic variants including activated human EGFRvIII and PI3KCAH1047R under the control of the radial glial-specific promoter her4.1 in syngeneic tp53 loss-of-function mutant zebrafish. Robust tumor formation was observed prior to 45 days of life, and tumors had a gene expression signature similar to human glioblastoma of the mesenchymal subtype, with a strong inflammatory component. Within early stage tumor lesions, and in an in vivo and endogenous tumor microenvironment, we visualized infiltration of phagocytic cells, as well as internalization of tumor cells by mpeg1.1:EGFP+ microglia/macrophages, suggesting negative regulatory pressure by pro-inflammatory cell types on tumor growth at early stages of glioblastoma initiation. Furthermore, CRISPR/Cas9-mediated gene targeting of master inflammatory transcription factors irf7 or irf8 led to increased tumor formation in the primary context, while suppression of phagocyte activity led to enhanced tumor cell engraftment following transplantation into otherwise immune-competent zebrafish hosts. Altogether, we developed a genetically relevant model of aggressive human glioblastoma and harnessed the unique advantages of zebrafish including live imaging, high-throughput genetic and chemical manipulations to highlight important tumor-suppressive roles for the innate immune system on glioblastoma initiation, with important future opportunities for therapeutic discovery and optimizations.
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Affiliation(s)
- Alex Weiss
- Developmental and Stem Cell Biology Program, The Hospital for Sick ChildrenTorontoCanada
| | - Cassandra D'Amata
- Developmental and Stem Cell Biology Program, The Hospital for Sick ChildrenTorontoCanada
| | - Bret J Pearson
- Department of Molecular Genetics, University of TorontoTorontoCanada
- Knight Cancer Institute, Oregon Health & Science UniversityPortlandUnited States
- Department of Pediatrics, Papé Research Institute, Oregon Health & Science UniversityPortlandUnited States
| | - Madeline N Hayes
- Developmental and Stem Cell Biology Program, The Hospital for Sick ChildrenTorontoCanada
- Department of Molecular Genetics, University of TorontoTorontoCanada
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Iriawati I, Vitasasti S, Rahmadian FNA, Barlian A. Isolation and characterization of plant-derived exosome-like nanoparticles from Carica papaya L. fruit and their potential as anti-inflammatory agent. PLoS One 2024; 19:e0304335. [PMID: 38959219 PMCID: PMC11221653 DOI: 10.1371/journal.pone.0304335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Accepted: 05/10/2024] [Indexed: 07/05/2024] Open
Abstract
Inflammation is an immune system response that identifies and eliminates foreign material. However, excessive and persistent inflammation could disrupt the healing process. Plant-derived exosome-like nanoparticles (PDENs) are a promising candidate for therapeutic application because they are safe, biodegradable and biocompatible. In this study, papaya PDENs were isolated by a PEG6000-based method and characterized by dynamic light scattering (DLS), transmission Electron Microscopy (TEM), bicinchoninic acid (BCA) assay method, GC-MS analysis, total phenolic content (TPC) analysis, and 2,2-diphenyl-1-picrylhydrazyl (DPPH) assay. For the in vitro test, we conducted internalization analysis, toxicity assessment, determination of nitrite concentration, and assessed the expression of inflammatory cytokine genes using qRT-PCR in RAW 264.7 cells. For the in vivo test, inflammation was induced by caudal fin amputation followed by analysis of macrophage and neutrophil migration in zebrafish (Danio rerio) larvae. The result showed that papaya PDENs can be well isolated using the optimized differential centrifugation method with the addition of 30 ppm pectolyase, 15% PEG, and 0.2 M NaCl, which exhibited cup-shaped and spherical morphological structure with an average diameter of 168.8±9.62 nm. The papaya PDENs storage is stable in aquabidest and 25 mM trehalose solution at -20˚C until the fourth week. TPC estimation of all papaya PDENs ages did not show a significant change, while the DPPH test exhibited a significant change in the second week. The major compounds contained in Papaya PDENs is 2,3-dihydro-3,5-dihydroxy-6-methyl-4H-pyran-4-one (DDMP). Papaya PDENs can be internalized and is non-cytotoxic to RAW 264.7 cells. Moreover, LPS-induced RAW 264.7 cells treated with papaya PDENs showed a decrease in NO production and downregulation mRNA expression of pro-inflammatory cytokine genes (IL-1B and IL-6) and an upregulation in mRNA expression of anti-inflammatory cytokine gene (IL-10). In addition, in vivo tests conducted on zebrafish treated with PDENs papaya showed inhibition of macrophage and neutrophil cell migration. These findings suggest that PDENs papaya possesses anti-inflammatory properties.
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Affiliation(s)
- Iriawati Iriawati
- School of Life Sciences and Technology, Institut Teknologi Bandung, Bandung, Indonesia
| | - Safira Vitasasti
- School of Life Sciences and Technology, Institut Teknologi Bandung, Bandung, Indonesia
| | | | - Anggraini Barlian
- School of Life Sciences and Technology, Institut Teknologi Bandung, Bandung, Indonesia
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Michael C, Mendonça-Gomes JM, DePaolo CW, Di Cristofano A, de Oliveira S. A zebrafish xenotransplant model of anaplastic thyroid cancer to study tumor microenvironment and innate immune cell interactions in vivo. Endocr Relat Cancer 2024; 31:e230195. [PMID: 38657656 PMCID: PMC11160356 DOI: 10.1530/erc-23-0195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 04/23/2024] [Indexed: 04/26/2024]
Abstract
Anaplastic thyroid cancer (ATC) is of the most aggressive thyroid cancer. While ATC is rare, it accounts for a disproportionately high number of thyroid cancer-related deaths. Here, we developed an ATC xenotransplant model in zebrafish larvae, where we can study tumorigenesis and therapeutic response in vivo. Using both mouse (T4888M) and human (C643)-derived fluorescently labeled ATC cell lines, we show these cell lines display different engraftment rates, mass volume, proliferation, cell death, angiogenic potential, and neutrophil and macrophage recruitment and infiltration. Next, using a PIP-FUCCI reporter to track proliferation in vivo, we observed cells in each phase of the cell cycle. Additionally, we performed long-term non-invasive intravital microscopy over 48 h to understand cellular dynamics in the tumor microenvironment at the single-cell level. Lastly, we tested two drug treatments, AZD2014 and a combination therapy of dabrafenib and trametinib, to show our model could be used as an effective screening platform for new therapeutic compounds for ATC. Altogether, we show that zebrafish xenotransplants make a great model to study thyroid carcinogenesis and the tumor microenvironment, while also being a suitable model to test new therapeutics in vivo.
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Affiliation(s)
- Cassia Michael
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY, USA
| | | | - Clinton Walton DePaolo
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Antonio Di Cristofano
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY, USA
- Department of Medicine (Oncology), Albert Einstein College of Medicine, Bronx, NY, USA
- Montefiore-Einstein Cancer Research Center, Albert Einstein College of Medicine, Bronx, NY, USA
- Cancer Dormancy Tumor Microenvironment Institute, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Sofia de Oliveira
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY, USA
- Department of Medicine (Hepatology), Albert Einstein College of Medicine, Bronx, NY, USA
- Marion Bessin Liver Research Center, Albert Einstein College of Medicine and Montefiore Medical Center, Bronx, NY, USA
- Montefiore-Einstein Cancer Research Center, Albert Einstein College of Medicine, Bronx, NY, USA
- Cancer Dormancy Tumor Microenvironment Institute, Albert Einstein College of Medicine, Bronx, NY, USA
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Ma X, Guo R, Xu H, Ma Y, Zhang R, Liu X, Zhang J, Han Y. Developmental adcyap1b loss leads to hemorrhage, disrupted hemostasis, and a blood coagulation cascade in zebrafish. J Thromb Haemost 2024; 22:951-964. [PMID: 38104724 DOI: 10.1016/j.jtha.2023.12.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 11/30/2023] [Accepted: 12/03/2023] [Indexed: 12/19/2023]
Abstract
BACKGROUND Pituitary adenylate cyclase-activating polypeptide is a neuropeptide with diverse roles in biological processes. Its involvement in the blood coagulation cascade is unclear. OBJECTIVES This study unraveled adcyap1b's role in blood coagulation using clustered regularly interspaced short palindromic repeats/CRISPR-associated protein 9 in zebrafish. Effects were validated via adcyap1b knockdown. Gene expression changes in adcyap1b mutants were explored, linking them to clotting disorders. An analysis of proca gene splicing illuminated its role in adcyap1b-related anticoagulation deficiencies. METHODS Zebrafish were genetically modified using clustered regularly interspaced short palindromic repeats/CRISPR-associated protein 9 to induce adcyap1b knockout. Morpholino-mediated gene knockdown was employed for validation. Expression levels of coagulation factors, anticoagulant proteins, and fibrinolytic system genes were assessed in adcyap1b mutant zebrafish. Alternative splicing of proca gene was analyzed. RESULTS Adcyap1b mutant zebrafish exhibited severe hemorrhage, clotting disorders, and disrupted blood coagulation. Morpholino-mediated knockdown replicated observed phenotypes. Downregulation in transcripts related to coagulation factors V and IX, anticoagulation protein C, and plasminogen was observed. Abnormal alternative splicing of the proca gene was identified, providing a mechanistic explanation for anticoagulation system deficiencies. CONCLUSION Adcyap1b plays a crucial role in maintaining zebrafish blood coagulation and hemostasis. Its influence extends to the regulation of procoagulant and anticoagulant pathways, with abnormal alternative splicing contributing to observed deficiencies. These findings unveil a novel aspect of adcyap1b function, offering potential insights into similar processes in mammalian systems.
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Affiliation(s)
- Xinyan Ma
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China; School of Pharmacy, Minzu University of China, Beijing, China
| | - Ruixian Guo
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China; School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Huibo Xu
- University of Science and Technology of China, Hefei, China
| | - Yuanyuan Ma
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Rui Zhang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xinyan Liu
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jingpu Zhang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
| | - Ying Han
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
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Sansonetti M, Al Soodi B, Thum T, Jung M. Macrophage-based therapeutic approaches for cardiovascular diseases. Basic Res Cardiol 2024; 119:1-33. [PMID: 38170281 PMCID: PMC10837257 DOI: 10.1007/s00395-023-01027-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 12/08/2023] [Accepted: 12/08/2023] [Indexed: 01/05/2024]
Abstract
Despite the advances in treatment options, cardiovascular disease (CVDs) remains the leading cause of death over the world. Chronic inflammatory response and irreversible fibrosis are the main underlying pathophysiological causes of progression of CVDs. In recent decades, cardiac macrophages have been recognized as main regulatory players in the development of these complex pathophysiological conditions. Numerous approaches aimed at macrophages have been devised, leading to novel prospects for therapeutic interventions. Our review covers the advancements in macrophage-centric treatment plans for various pathologic conditions and examines the potential consequences and obstacles of employing macrophage-targeted techniques in cardiac diseases.
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Affiliation(s)
- Marida Sansonetti
- Institute of Molecular and Translational Therapeutic Strategies (IMTTS), Hannover Medical School, 30625, Hannover, Germany
| | - Bashar Al Soodi
- Institute of Molecular and Translational Therapeutic Strategies (IMTTS), Hannover Medical School, 30625, Hannover, Germany
| | - Thomas Thum
- Institute of Molecular and Translational Therapeutic Strategies (IMTTS), Hannover Medical School, 30625, Hannover, Germany.
- REBIRTH-Center for Translational Regenerative Medicine, Hannover Medical School, 30625, Hannover, Germany.
- Fraunhofer Institute for Toxicology and Experimental Medicine (ITEM), 30625, Hannover, Germany.
| | - Mira Jung
- Institute of Molecular and Translational Therapeutic Strategies (IMTTS), Hannover Medical School, 30625, Hannover, Germany.
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Saleem S, Kannan RR. Zebrafish: A Promising Real-Time Model System for Nanotechnology-Mediated Neurospecific Drug Delivery. NANOSCALE RESEARCH LETTERS 2021; 16:135. [PMID: 34424426 PMCID: PMC8382796 DOI: 10.1186/s11671-021-03592-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 08/15/2021] [Indexed: 06/13/2023]
Abstract
Delivering drugs to the brain has always remained a challenge for the research community and physicians. The blood-brain barrier (BBB) acts as a major hurdle for delivering drugs to specific parts of the brain and the central nervous system. It is physiologically comprised of complex network of capillaries to protect the brain from any invasive agents or foreign particles. Therefore, there is an absolute need for understanding of the BBB for successful therapeutic interventions. Recent research indicates the strong emergence of zebrafish as a model for assessing the permeability of the BBB, which is highly conserved in its structure and function between the zebrafish and mammals. The zebrafish model system offers a plethora of advantages including easy maintenance, high fecundity and transparency of embryos and larvae. Therefore, it has the potential to be developed as a model for analysing and elucidating the permeability of BBB to novel permeation technologies with neurospecificity. Nanotechnology has now become a focus area within the industrial and research community for delivering drugs to the brain. Nanoparticles are being developed with increased efficiency and accuracy for overcoming the BBB and delivering neurospecific drugs to the brain. The zebrafish stands as an excellent model system to assess nanoparticle biocompatibility and toxicity. Hence, the zebrafish model is indispensable for the discovery or development of novel technologies for neurospecific drug delivery and potential therapies for brain diseases.
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Affiliation(s)
- Suraiya Saleem
- Neuroscience Lab, Centre for Molecular and Nanomedical Sciences, Centre for Nanoscience and Nanotechnology, School of Bio and Chemical Engineering, Sathyabama Institute of Science and Technology (Deemed to be University), Jeppiaar Nagar, Rajiv Gandhi Salai, Chennai, Tamil Nadu, 600119, India
| | - Rajaretinam Rajesh Kannan
- Neuroscience Lab, Centre for Molecular and Nanomedical Sciences, Centre for Nanoscience and Nanotechnology, School of Bio and Chemical Engineering, Sathyabama Institute of Science and Technology (Deemed to be University), Jeppiaar Nagar, Rajiv Gandhi Salai, Chennai, Tamil Nadu, 600119, India.
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