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Bales KL, Karesh AM, Hogan K, Chacko AS, Douglas GL, Feola AJ, Nickerson JM, Pybus A, Wood L, Boatright JH, Pardue MT. Voluntary exercise preserves visual function and reduces inflammatory response in an adult mouse model of autosomal dominant retinitis pigmentosa. Sci Rep 2024; 14:6940. [PMID: 38521799 PMCID: PMC10960803 DOI: 10.1038/s41598-024-57027-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 03/12/2024] [Indexed: 03/25/2024] Open
Abstract
Whole-body physical exercise has been shown to promote retinal structure and function preservation in animal models of retinal degeneration. It is currently unknown how exercise modulates retinal inflammatory responses. In this study, we investigated cytokine alterations associated with retinal neuroprotection induced by voluntary running wheel exercise in a retinal degeneration mouse model of class B1 autosomal dominant retinitis pigmentosa, I307N Rho. I307N Rho mice undergo rod photoreceptor degeneration when exposed to bright light (induced). Our data show, active induced mice exhibited significant preservation of retinal and visual function compared to inactive induced mice after 4 weeks of exercise. Retinal cytokine expression revealed significant reductions of proinflammatory chemokines, keratinocyte-derived chemokine (KC) and interferon gamma inducible protein-10 (IP-10) expression in active groups compared to inactive groups. Through immunofluorescence, we found KC and IP-10 labeling localized to retinal vasculature marker, collagen IV. These data show that whole-body exercise lowers specific retinal cytokine expression associated with retinal vasculature. Future studies should determine whether suppression of inflammatory responses is requisite for exercise-induced retinal protection.
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Affiliation(s)
- Katie L Bales
- Atlanta VA Medical Center for Visual and Neurocognitive Rehabilitation, Decatur, GA, USA
| | - Austin M Karesh
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Kelleigh Hogan
- Atlanta VA Medical Center for Visual and Neurocognitive Rehabilitation, Decatur, GA, USA
| | - Alicia S Chacko
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - GianMarco L Douglas
- Atlanta VA Medical Center for Visual and Neurocognitive Rehabilitation, Decatur, GA, USA
| | - Andrew J Feola
- Atlanta VA Medical Center for Visual and Neurocognitive Rehabilitation, Decatur, GA, USA
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
- Department of Ophthalmology, Emory University, Atlanta, GA, USA
| | | | - Alyssa Pybus
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Levi Wood
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
- George W. Woodruff School of Mechanical Engineering and Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, USA
| | - Jeffrey H Boatright
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
- Department of Ophthalmology, Emory University, Atlanta, GA, USA
| | - Machelle T Pardue
- Atlanta VA Medical Center for Visual and Neurocognitive Rehabilitation, Decatur, GA, USA.
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA.
- Department of Ophthalmology, Emory University, Atlanta, GA, USA.
- Department of Ophthalmology, Emory University, 1365B Clifton Road NE, Rm. 2600, Atlanta, GA, 30332, USA.
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Salas A, Badia A, Fontrodona L, Zapata M, García-Arumí J, Duarri A. Neovascular Progression and Retinal Dysfunction in the Laser-Induced Choroidal Neovascularization Mouse Model. Biomedicines 2023; 11:2445. [PMID: 37760886 PMCID: PMC10525599 DOI: 10.3390/biomedicines11092445] [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: 07/28/2023] [Revised: 08/22/2023] [Accepted: 08/29/2023] [Indexed: 09/29/2023] Open
Abstract
The mouse model of laser-induced choroidal neovascularization (LI-CNV) has been widely used to study neovascular age-related macular degeneration; however, it still lacks a comprehensive characterization. Here, CNV was induced in the eyes of 12-week-old C57BL/6J male mice by argon laser irradiation. We studied the CNV lesion progression of an LI-CNV mouse cohort by using multimodal imaging (color fundus, optical coherence tomography (OCT), and fluorescence angiography, focal electroretinography features for 14 days, and related cytokines, angiogenic factors, and reactive gliosis for 5 days. CNV lesions involving the rupture of the Bruch's membrane were confirmed using funduscopy and OCT after laser photocoagulation. During the initial stage, from the CNV induction until day 7, CNV lesions presented leakage observed by using fluorescence angiography and a typical hyperreflective area with cell infiltration, subretinal leakage, and degeneration of photoreceptors observed through OCT. This correlated with decreased retinal responses to light. Moreover, inflammatory and angiogenic markers were reduced to basal levels in the first 5 days of CNV progression. In contrast, reactive gliosis and the VEGF expression in retinal sections were sustained, with infiltration of endothelial cells in the subretinal space. In the second stage, between days 7 and 14 post-induction, we observed stabilization of the CNV lesions, a hyperfluorescent area corresponding to the formation of fibrosis, and a partial rescue of retinal function. These findings suggest that the LI-CNV lesion development goes through an acute phase during the first seven days following induction, and then the CNV lesion stabilizes. According to these results, this model is suitable for screening anti-inflammatory and anti-angiogenic drugs in the early stages of LI-CNV. At the same time, it is more convenient for screening anti-fibrotic compounds in the later stages.
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Affiliation(s)
- Anna Salas
- Ophthalmology Research Group, Vall d’Hebron Institut de Recerca, 08035 Barcelona, Spain
| | - Anna Badia
- Ophthalmology Research Group, Vall d’Hebron Institut de Recerca, 08035 Barcelona, Spain
| | - Laura Fontrodona
- Ophthalmology Research Group, Vall d’Hebron Institut de Recerca, 08035 Barcelona, Spain
| | - Miguel Zapata
- Ophthalmology Research Group, Vall d’Hebron Institut de Recerca, 08035 Barcelona, Spain
- Department of Ophthalmology, Vall d’Hebron Hospital Universitari, 08035 Barcelona, Spain
| | - José García-Arumí
- Ophthalmology Research Group, Vall d’Hebron Institut de Recerca, 08035 Barcelona, Spain
- Department of Ophthalmology, Vall d’Hebron Hospital Universitari, 08035 Barcelona, Spain
| | - Anna Duarri
- Ophthalmology Research Group, Vall d’Hebron Institut de Recerca, 08035 Barcelona, Spain
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Gu F, Jiang J, Sun P. Recent advances of exosomes in age-related macular degeneration. Front Pharmacol 2023; 14:1204351. [PMID: 37332352 PMCID: PMC10272348 DOI: 10.3389/fphar.2023.1204351] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 05/25/2023] [Indexed: 06/20/2023] Open
Abstract
Exosomes are 30-150 nm extracellular vesicles that are secreted by almost all types of cells. Exosomes contain a variety of biologically active substances, such as proteins, nucleic acids, and lipids, and are important in the intercellular communication of biological mediators involved in nerve injury and repair, vascular regeneration, immune response, fibrosis formation, and many other pathophysiological processes. Although it has been extensively studied in the field of cancer, the exploration of ocular diseases has only just begun. Here, we discuss the latest developments in exosomes for age-related macular degeneration (AMD), including the pathogenesis of exosomes in age-related macular degeneration, their potential as diagnostic markers, and therapeutic vectors of the disease. Finally, the study of exosomes in age-related macular degeneration is still relatively few, and more detailed basic research and clinical trials are needed to verify its application in treatment and diagnosis, so as to adopt more personalized diagnosis and treatment strategies to stop the progression of age-related macular degeneration.
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Badia A, Duarri A, Salas A, Rosell J, Ramis J, Gusta MF, Casals E, Zapata MA, Puntes V, García-Arumí J. Repeated Topical Administration of 3 nm Cerium Oxide Nanoparticles Reverts Disease Atrophic Phenotype and Arrests Neovascular Degeneration in AMD Mouse Models. ACS NANO 2023; 17:910-926. [PMID: 36596252 DOI: 10.1021/acsnano.2c05447] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Increased oxidative stress in the retina and retinal pigment epithelium is implicated in age-related macular degeneration (AMD). Antioxidant cerium oxide nanoparticles (CeO2NPs) have been used to treat degenerative retinal pathologies in animal models, although their delivery route is not ideal for chronic patient treatment. In this work, we prepared a formulation for ocular topical delivery that contains small (3 nm), nonaggregated biocompatible CeO2NPs. In vitro results indicate the biocompatible and protective character of the CeO2NPs, reducing oxidative stress in ARPE19 cells and inhibiting neovascularization related to pathological angiogenesis in both HUVEC and in in vitro models of neovascular growth. In the in vivo experiments, we observed the capacity of CeO2NPs to reach the retina after topical delivery and a subsequent reversion of the altered retinal transcriptome of the retinal degenerative mouse model DKOrd8 toward that of healthy control mice, together with signs of decreased inflammation and arrest of degeneration. Furthermore, CeO2NP eye drops' treatment reduced laser-induced choroidal neovascular lesions in mice by lowering VEGF and increasing PEDF levels. These results indicate that CeO2NP eye drops are a beneficial antioxidant and neuroprotective treatment for both dry and wet forms of AMD disease.
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Affiliation(s)
- Anna Badia
- Ophthalmology Research Group, Vall d'Hebron Research Institute (VHIR), Barcelona, 08035, Spain
| | - Anna Duarri
- Ophthalmology Research Group, Vall d'Hebron Research Institute (VHIR), Barcelona, 08035, Spain
| | - Anna Salas
- Ophthalmology Research Group, Vall d'Hebron Research Institute (VHIR), Barcelona, 08035, Spain
| | - Jordi Rosell
- Ophthalmology Research Group, Vall d'Hebron Research Institute (VHIR), Barcelona, 08035, Spain
| | - Joana Ramis
- Pharmacokinetic Nanoparticles Group, Vall d'Hebron Research Institute (VHIR), Barcelona, 08035, Spain
| | - Muriel Freixanet Gusta
- Pharmacokinetic Nanoparticles Group, Vall d'Hebron Research Institute (VHIR), Barcelona, 08035, Spain
| | - Eudald Casals
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, 529020, P. R. China
| | - Miguel A Zapata
- Ophthalmology Research Group, Vall d'Hebron Research Institute (VHIR), Barcelona, 08035, Spain
- Department of Ophthalmology, Vall d'Hebron Hospital Universitari, Vall d'Hebron Barcelona Hospital Campus, Barcelona, 08035, Spain
| | - Victor Puntes
- Pharmacokinetic Nanoparticles Group, Vall d'Hebron Research Institute (VHIR), Barcelona, 08035, Spain
- Instiut Català de Nanociència I Nanotecnologia (ICN2), CSIC, The Barcelona Institute of Science and Technology (BIST), Campus UAB, Bellaterra, Barcelona, 08193, Spain
- Institució Catalana de Recerca I Estudis Avançats (ICREA), Barcelona, 08010,Spain
- Networking Research Centre for Bioengineering, Biomaterials, and Nanomedicine (CIBER-BBN), Instituto de Salud Carlos III, Madrid, 28029, Spain
| | - Josep García-Arumí
- Ophthalmology Research Group, Vall d'Hebron Research Institute (VHIR), Barcelona, 08035, Spain
- Department of Ophthalmology, Vall d'Hebron Hospital Universitari, Vall d'Hebron Barcelona Hospital Campus, Barcelona, 08035, Spain
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Isla-Magrané H, Zufiaurre-Seijo M, García-Arumí J, Duarri A. All-trans retinoic acid modulates pigmentation, neuroretinal maturation, and corneal transparency in human multiocular organoids. Stem Cell Res Ther 2022; 13:376. [PMID: 35902874 PMCID: PMC9330659 DOI: 10.1186/s13287-022-03053-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 07/18/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND All-trans retinoic acid (ATRA) plays an essential role during human eye development, being temporally and spatially adjusted to create gradient concentrations that guide embryonic anterior and posterior axis formation of the eye. Perturbations in ATRA signaling can result in severe ocular developmental diseases. Although it is known that ATRA is essential for correct eye formation, how ATRA influences the different ocular tissues during the embryonic development of the human eye is still not well studied. Here, we investigated the effects of ATRA on the differentiation and the maturation of human ocular tissues using an in vitro model of human-induced pluripotent stem cells-derived multiocular organoids. METHODS Multiocular organoids, consisting of the retina, retinal pigment epithelium (RPE), and cornea, were cultured in a medium containing low (500 nM) or high (10 µM) ATRA concentrations for 60 or 90 days. Furthermore, retinal organoids were cultured with taurine and T3 to further study photoreceptor modulation during maturation. Histology, immunochemistry, qPCR, and western blot were used to study gene and protein differential expression between groups. RESULTS High ATRA levels promote the transparency of corneal organoids and the neuroretinal development in retinal organoids. However, the same high ATRA levels decreased the pigmentation levels of RPE organoids and, in long-term cultures, inhibited the maturation of photoreceptors. By contrast, low ATRA levels enhanced the pigmentation of RPE organoids, induced the opacity of corneal organoids-due to an increase in collagen type IV in the stroma- and allowed the maturation of photoreceptors in retinal organoids. Moreover, T3 promoted rod photoreceptor maturation, whereas taurine promoted red/green cone photoreceptors. CONCLUSION ATRA can modulate corneal epithelial integrity and transparency, photoreceptor development and maturation, and the pigmentation of RPE cells in a dose-dependent manner. These experiments revealed the high relevance of ATRA during ocular tissue development and its use as a potential new strategy to better modulate the development and maturation of ocular tissue through temporal and spatial control of ATRA signaling.
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Affiliation(s)
- Helena Isla-Magrané
- Ophthalmology Research Group, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Passeig Vall d'Hebron 119-129, 08035, Barcelona, Spain
| | - Maddalen Zufiaurre-Seijo
- Ophthalmology Research Group, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Passeig Vall d'Hebron 119-129, 08035, Barcelona, Spain
| | - José García-Arumí
- Ophthalmology Research Group, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Passeig Vall d'Hebron 119-129, 08035, Barcelona, Spain.,Department of Ophthalmology, Vall d'Hebron Hospital Universitari, Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain.,Department of Surgery, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Anna Duarri
- Ophthalmology Research Group, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Passeig Vall d'Hebron 119-129, 08035, Barcelona, Spain.
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Isla-Magrané H, Veiga A, García-Arumí J, Duarri A. Multiocular organoids from human induced pluripotent stem cells displayed retinal, corneal, and retinal pigment epithelium lineages. Stem Cell Res Ther 2021; 12:581. [PMID: 34809716 PMCID: PMC8607587 DOI: 10.1186/s13287-021-02651-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 11/05/2021] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Recently, great efforts have been made to design protocols for obtaining ocular cells from human stem cells to model diseases or for regenerative purposes. Current protocols generally focus on isolating retinal cells, retinal pigment epithelium (RPE), or corneal cells and fail to recapitulate the complexity of the tissue during eye development. Here, the generation of more advanced in vitro multiocular organoids from human induced pluripotent stem cells (hiPSCs) is demonstrated. METHODS A 2-step method was established to first obtain self-organized multizone ocular progenitor cells (mzOPCs) from 2D hiPSC cultures within three weeks. Then, after the cells were manually isolated and grown in suspension, 3D multiocular organoids were generated to model important cellular features of developing eyes. RESULTS In the 2D culture, self-formed mzOPCs spanned the neuroectoderm, surface ectoderm, neural crest, and RPE, mimicking early stages of eye development. After lifting, mzOPCs developed into different 3D multiocular organoids composed of multiple cell lineages including RPE, retina, and cornea, and interactions between the different cell types and regions of the eye system were observed. Within these organoids, the retinal regions exhibited correct layering and contained all major retinal cell subtypes as well as retinal morphological cues, whereas the corneal regions closely resembled the transparent ocular-surface epithelium and contained of corneal, limbal, and conjunctival epithelial cells. The arrangement of RPE cells also formed organoids composed of polarized pigmented epithelial cells at the surface that were completely filled with collagen matrix. CONCLUSIONS This approach clearly demonstrated the advantages of the combined 2D-3D construction tissue model as it provided a more ocular native-like cellular environment than that of previous models. In this complex preparations, multiocular organoids may be used to model the crosstalk between different cell types in eye development and disease.
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Affiliation(s)
- Helena Isla-Magrané
- Ophthalmology Research Group, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Passeig Vall d'Hebron 119-129, 08035, Barcelona, Spain
| | - Anna Veiga
- Regenerative Medicine Program IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - José García-Arumí
- Ophthalmology Research Group, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Passeig Vall d'Hebron 119-129, 08035, Barcelona, Spain
- Department of Ophthalmology, Vall d'Hebron Hospital Universitari, Barcelona, Spain
- Department of Ophthalmology, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Anna Duarri
- Ophthalmology Research Group, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Barcelona Hospital Campus, Passeig Vall d'Hebron 119-129, 08035, Barcelona, Spain.
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Duarri A, Rodríguez-Bocanegra E, Martínez-Navarrete G, Biarnés M, García M, Ferraro LL, Kuebler B, Aran B, Izquierdo E, Aguilera-Xiol E, Casaroli-Marano RP, Trias E, Fernandez E, Raya Á, Veiga A, Monés J. Transplantation of Human Induced Pluripotent Stem Cell-Derived Retinal Pigment Epithelium in a Swine Model of Geographic Atrophy. Int J Mol Sci 2021; 22:ijms221910497. [PMID: 34638840 PMCID: PMC8508834 DOI: 10.3390/ijms221910497] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 09/24/2021] [Accepted: 09/24/2021] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND The aim of this study was to test the feasibility and safety of subretinal transplantation of human induced pluripotent stem cell (hiPSC)-derived retinal pigment epithelium (RPE) cells into the healthy margins and within areas of degenerative retina in a swine model of geographic atrophy (GA). METHODS Well-delimited selective outer retinal damage was induced by subretinal injection of NaIO3 into one eye in minipigs (n = 10). Thirty days later, a suspension of hiPSC-derived RPE cells expressing green fluorescent protein was injected into the subretinal space, into the healthy margins, and within areas of degenerative retina. In vivo follow-up was performed by multimodal imaging. Post-mortem retinas were analyzed by immunohistochemistry and histology. RESULTS In vitro differentiated hiPSC-RPE cells showed a typical epithelial morphology, expressed RPE-related genes, and had phagocytic ability. Engrafted hiPSC-RPE cells were detected in 60% of the eyes, forming mature epithelium in healthy retina extending towards the border of the atrophy. Histological analysis revealed RPE interaction with host photoreceptors in the healthy retina. Engrafted cells in the atrophic zone were found in a patchy distribution but failed to form an epithelial-like layer. CONCLUSIONS These results might support the use of hiPSC-RPE cells to treat atrophic GA by providing a housekeeping function to aid the overwhelmed remnant RPE, which might improve its survival and therefore slow down the progression of GA.
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Affiliation(s)
- Anna Duarri
- Program for Clinical Translation of Regenerative Medicine in Catalonia–P-CMR[C], Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, 08908 Barcelona, Spain; (A.D.); (B.K.); (B.A.); (Á.R.)
- National Stem Cell Bank-Barcelona Node, Biomolecular and Bioinformatics Resources Platform PRB2, ISCIII, IDIBELL, Hospitalet de Llobregat, 08908 Barcelona, Spain
- Ophthalmology Research Group, Vall d’Hebron Institut de Recerca (VHIR), 08036 Barcelona, Spain
| | - Eduardo Rodríguez-Bocanegra
- Barcelona Macula Foundation: Research for Vision, 08022 Barcelona, Spain; (E.R.-B.); (M.B.); (M.G.); (L.L.F.)
- Institut de la Màcula, Centro Médico Teknon, 08022 Barcelona, Spain
| | - Gema Martínez-Navarrete
- Networking Research Center of Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 28029 Madrid, Spain; (G.M.-N.); (E.F.)
- Institute of Bioengineering, Universidad Miguel Hernández, 03202 Alicante, Spain
| | - Marc Biarnés
- Barcelona Macula Foundation: Research for Vision, 08022 Barcelona, Spain; (E.R.-B.); (M.B.); (M.G.); (L.L.F.)
- Institut de la Màcula, Centro Médico Teknon, 08022 Barcelona, Spain
| | - Miriam García
- Barcelona Macula Foundation: Research for Vision, 08022 Barcelona, Spain; (E.R.-B.); (M.B.); (M.G.); (L.L.F.)
- Institut de la Màcula, Centro Médico Teknon, 08022 Barcelona, Spain
| | - Lucía Lee Ferraro
- Barcelona Macula Foundation: Research for Vision, 08022 Barcelona, Spain; (E.R.-B.); (M.B.); (M.G.); (L.L.F.)
- Institut de la Màcula, Centro Médico Teknon, 08022 Barcelona, Spain
| | - Bernd Kuebler
- Program for Clinical Translation of Regenerative Medicine in Catalonia–P-CMR[C], Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, 08908 Barcelona, Spain; (A.D.); (B.K.); (B.A.); (Á.R.)
| | - Begoña Aran
- Program for Clinical Translation of Regenerative Medicine in Catalonia–P-CMR[C], Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, 08908 Barcelona, Spain; (A.D.); (B.K.); (B.A.); (Á.R.)
- National Stem Cell Bank-Barcelona Node, Biomolecular and Bioinformatics Resources Platform PRB2, ISCIII, IDIBELL, Hospitalet de Llobregat, 08908 Barcelona, Spain
| | | | | | - Ricardo P. Casaroli-Marano
- Banc de Sang i Teixits (BST), Institute of Biomedical Research (IIB-Sant Pau), 08025 Barcelona, Spain;
- Department of Surgery, School of Medicine and Health Science, Hospital Clinic de Barcelona, University of Barcelona, 08036 Barcelona, Spain
| | - Esteve Trias
- LEITAT Technological Center, 08005 Barcelona, Spain;
- Advanced Therapies Unit, Hospital Clínic de Barcelona, 08005 Barcelona, Spain
| | - Eduardo Fernandez
- Networking Research Center of Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 28029 Madrid, Spain; (G.M.-N.); (E.F.)
- Institute of Bioengineering, Universidad Miguel Hernández, 03202 Alicante, Spain
| | - Ángel Raya
- Program for Clinical Translation of Regenerative Medicine in Catalonia–P-CMR[C], Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, 08908 Barcelona, Spain; (A.D.); (B.K.); (B.A.); (Á.R.)
- Networking Research Center of Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 28029 Madrid, Spain; (G.M.-N.); (E.F.)
- Institució Catalana de Recerca i Estudis Avançats (ICREA), 08010 Barcelona, Spain
| | - Anna Veiga
- Program for Clinical Translation of Regenerative Medicine in Catalonia–P-CMR[C], Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, 08908 Barcelona, Spain; (A.D.); (B.K.); (B.A.); (Á.R.)
- National Stem Cell Bank-Barcelona Node, Biomolecular and Bioinformatics Resources Platform PRB2, ISCIII, IDIBELL, Hospitalet de Llobregat, 08908 Barcelona, Spain
- Correspondence: (A.V.); (J.M.)
| | - Jordi Monés
- Barcelona Macula Foundation: Research for Vision, 08022 Barcelona, Spain; (E.R.-B.); (M.B.); (M.G.); (L.L.F.)
- Institut de la Màcula, Centro Médico Teknon, 08022 Barcelona, Spain
- Correspondence: (A.V.); (J.M.)
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Maqueda M, Mosquera JL, García-Arumí J, Veiga A, Duarri A. Repopulation of decellularized retinas with hiPSC-derived retinal pigment epithelial and ocular progenitor cells shows cell engraftment, organization and differentiation. Biomaterials 2021; 276:121049. [PMID: 34332373 DOI: 10.1016/j.biomaterials.2021.121049] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Revised: 07/22/2021] [Accepted: 07/23/2021] [Indexed: 11/18/2022]
Abstract
The retinal extracellular matrix (ECM) provides architectural support, adhesion and signal guidance that controls retinal development. Decellularization of the ECM affords great potential to tissue engineering; however, how structural retinal ECM affects in vitro development, differentiation and maturation of ocular cells remains to be elucidated. Here, mouse and porcine retinas were decellularized and the protein profile analyzed. Acellular retinal ECM (arECM) scaffolds were then repopulated with human iPSC-derived retinal pigment epithelial (RPE) cells or ocular progenitor cells (OPC) to assess their integration, proliferation and organization. 3837 and 2612 unique proteins were identified in mouse and porcine arECM, respectively, of which 93 and 116 proteins belong to the matrisome. GO analysis shows that matrisome-related proteins were associated with the extracellular region and cell junction and KEGG pathways related to signalling transduction, nervous and endocrine systems and cell junctions were enriched. Interestingly, mouse and porcine arECMs were successfully repopulated with both RPE and OPC, the latter exhibiting cell lineage-specific clusters. Retinal cells organized into different layers containing well-defined areas with pigmented cells, photoreceptors, Müller glia, astrocytes, and ganglion cells, whereas in other areas, conjunctival/limbal, corneal and lens cells re-arranged in cell-specific self-organized areas. In conclusion, our results demonstrated that decellularization of both mouse and porcine retinas retains common native ECM components that upon cell repopulation could guide similar ocular cell adhesion, migration and organization.
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Affiliation(s)
- Maria Maqueda
- Bioinformatics Unit, Institut d'Investigació Biomèdica de Bellvitge - IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Jose Luis Mosquera
- Bioinformatics Unit, Institut d'Investigació Biomèdica de Bellvitge - IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - José García-Arumí
- Ophthalmology Research Group, Vall d'Hebron Institut de Recerca - VHIR, Vall d'Hebron Hospital Universitari, Barcelona, Spain
| | - Anna Veiga
- Pluripotent Stem Cell Therapy Group, Regenerative Medicine Program, Institut d'Investigació Biomèdica de Bellvitge - IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain; National Stem Cell Bank-Barcelona Node, Biomolecular and Bioinformatics Resources Platform (PRB2), ISCIII, Madrid, Spain
| | - Anna Duarri
- Ophthalmology Research Group, Vall d'Hebron Institut de Recerca - VHIR, Vall d'Hebron Hospital Universitari, Barcelona, Spain; National Stem Cell Bank-Barcelona Node, Biomolecular and Bioinformatics Resources Platform (PRB2), ISCIII, Madrid, Spain.
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Shi Z, Zhao X, Su Y, Wang C, Liu P, Ge H. Screening of Biological Target Molecules Related to Glucocorticoid-Induced Cataract (GIC) on the Basis of Constructing ceRNA Network. Biochem Genet 2021; 60:24-38. [PMID: 34076796 DOI: 10.1007/s10528-021-10078-3] [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: 12/28/2020] [Accepted: 05/05/2021] [Indexed: 11/25/2022]
Abstract
Glucocorticoid-induced cataract (GIC)-associated biomarkers were screened by ceRNA network construction. The GIC samples' GSE3040 were obtained from the NCBI-GEO database. R's Limma package was used to identify differentially expressed RNAs (DERs) between the normal and GIC samples group (4- and 16-h). The Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways enrichment analysis for the mRNAs in the constructed GIC lncRNA-miRNA-mRNA ceRNA regulation network was implemented. A total of 1665 and 1443 DERs were obtained in the 4- and 16-h group, respectively. At two time points, 256 overlapping DERs were identified, of which 210 (17 lncRNAs and 203 mRNAs) had significant differential expression (4 down- and 206 up-regulated). A total of 534 co-expressed ligation pairs (all up-regulated) were obtained. A ceRNA regulation network was constructed. RPS6KA5, GAB1, CCR7, CCL2, COL4A4, and PPARG were obtained and significantly enriched in the 4 KEGG signaling pathways and were featured as GIC target molecules.
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Affiliation(s)
- Zhan Shi
- Department of Ophthalmology, The First Affiliated Hospital, Harbin Medical University, No. 23 Post Street, Nangang District, Harbin City, Heilongjiang Province, China
| | - Xiumei Zhao
- Department of Ophthalmology, The First Affiliated Hospital, Harbin Medical University, No. 23 Post Street, Nangang District, Harbin City, Heilongjiang Province, China
| | - Ying Su
- Department of Ophthalmology, The First Affiliated Hospital, Harbin Medical University, No. 23 Post Street, Nangang District, Harbin City, Heilongjiang Province, China
| | - Chao Wang
- Department of Anesthesiolgy, The First Affiliated Hospital, Harbin Medical University, No. 23 Post Street, Nangang District, Harbin City, Heilongjiang Province, China
| | - Ping Liu
- Department of Ophthalmology, The First Affiliated Hospital, Harbin Medical University, No. 23 Post Street, Nangang District, Harbin City, Heilongjiang Province, China.
| | - Hongyan Ge
- Department of Ophthalmology, The First Affiliated Hospital, Harbin Medical University, No. 23 Post Street, Nangang District, Harbin City, Heilongjiang Province, China.
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Toma C, De Cillà S, Palumbo A, Garhwal DP, Grossini E. Oxidative and Nitrosative Stress in Age-Related Macular Degeneration: A Review of Their Role in Different Stages of Disease. Antioxidants (Basel) 2021; 10:antiox10050653. [PMID: 33922463 PMCID: PMC8145578 DOI: 10.3390/antiox10050653] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 04/20/2021] [Accepted: 04/21/2021] [Indexed: 12/14/2022] Open
Abstract
Although the exact pathogenetic mechanisms leading to age-related macular degeneration (AMD) have not been clearly identified, oxidative damage in the retina and choroid due to an imbalance between local oxidants/anti-oxidant systems leading to chronic inflammation could represent the trigger event. Different in vitro and in vivo models have demonstrated the involvement of reactive oxygen species generated in a highly oxidative environment in the development of drusen and retinal pigment epithelium (RPE) changes in the initial pathologic processes of AMD; moreover, recent evidence has highlighted the possible association of oxidative stress and neovascular AMD. Nitric oxide (NO), which is known to play a key role in retinal physiological processes and in the regulation of choroidal blood flow, under pathologic conditions could lead to RPE/photoreceptor degeneration due to the generation of peroxynitrite, a potentially cytotoxic tyrosine-nitrating molecule. Furthermore, the altered expression of the different isoforms of NO synthases could be involved in choroidal microvascular changes leading to neovascularization. The purpose of this review was to investigate the different pathways activated by oxidative/nitrosative stress in the pathogenesis of AMD, focusing on the mechanisms leading to neovascularization and on the possible protective role of anti-vascular endothelial growth factor agents in this context.
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Affiliation(s)
- Caterina Toma
- Eye Clinic, University Hospital Maggiore Della Carità, 28100 Novara, Italy; (C.T.); (S.D.C.); (A.P.)
| | - Stefano De Cillà
- Eye Clinic, University Hospital Maggiore Della Carità, 28100 Novara, Italy; (C.T.); (S.D.C.); (A.P.)
- Department of Health Sciences, University East Piedmont “A. Avogadro”, 28100 Novara, Italy
| | - Aurelio Palumbo
- Eye Clinic, University Hospital Maggiore Della Carità, 28100 Novara, Italy; (C.T.); (S.D.C.); (A.P.)
| | - Divya Praveen Garhwal
- Laboratory of Physiology and Experimental Surgery, Department of Translational Medicine, University East Piedmont “A. Avogadro”, 28100 Novara, Italy;
| | - Elena Grossini
- Laboratory of Physiology and Experimental Surgery, Department of Translational Medicine, University East Piedmont “A. Avogadro”, 28100 Novara, Italy;
- Correspondence: ; Tel.:+39-0321-660526
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