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Letafati A, Jazayeri SM, Atwan H, Mahmoudi MK, Sarrafzadeh S, Ardekani OS, Norouzi M, Ghaziasadi A. Utilization of multiplex polymerase chain reaction for simultaneous and rapid detection of viral infections from different ocular structures. Sci Rep 2024; 14:17997. [PMID: 39097632 PMCID: PMC11297968 DOI: 10.1038/s41598-024-68171-7] [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: 12/30/2023] [Accepted: 07/22/2024] [Indexed: 08/05/2024] Open
Abstract
The impact of viral keratitis (VK) on individuals and society is notable. Early diagnosis and treatment are crucial in managing viral keratitis effectively. Timely intervention with antiviral medications and supportive care can help mitigate the severity of the infection and improve visual outcomes. We examined the prevalence of varicella-zoster virus (VZV), herpes simplex virus type 1 (HSV-1), adenovirus (AdV) and herpes simplex virus type 2 (HSV-2) in patients suspected for ocular infections. Patients included in the study exhibited various clinical manifestations indicative of ocular pathology, such as infectious keratitis, corneal scar, endogenous endophthalmitis, panuveitis, endothelitis, stromal edema, and other relevant conditions. Four different types of tear fluid, corneal samples epithelium, aqueous humor and vitreous humor were taken. After genome extraction, multiplex real-time PCR was used for diagnosis of viruses. 48 (29.6%) out of the total of 162 (100%) eye specimen were positive. The dominant prevalence was VZV (12.3%) and HSV-1 (11.7%) followed by AdV (4.9%) and HSV-2 (0.6%). There were 4 (8.3%) coinfections within the samples (HSV-1 and VZV). Aqueous humor samples demonstrated superior virus detection ability and our only HSV-2 positive sample was from aqueous humor. The utilization of multiplex real-time PCR assays in differential diagnosis of VK holds promise for expeditious diagnoses while also preventing unwarranted antibiotic prescriptions. Moreover, the aqueous humor appears to be a more sensitive site for detecting viral keratitis.
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Affiliation(s)
- Arash Letafati
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
- Research Center for Clinical Virology, Tehran University of Medical Science, Tehran, Iran
| | - Seyed Mohammad Jazayeri
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
- Research Center for Clinical Virology, Tehran University of Medical Science, Tehran, Iran.
| | - Hossein Atwan
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Masoud Karkhaneh Mahmoudi
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Sheida Sarrafzadeh
- Research Center for Clinical Virology, Tehran University of Medical Science, Tehran, Iran
- Epidemiology and statistics Department, Tehran University of Medical Sciences, Tehran, Iran
| | - Omid Salahi Ardekani
- Research Center for Clinical Virology, Tehran University of Medical Science, Tehran, Iran
| | - Mehdi Norouzi
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
- Research Center for Clinical Virology, Tehran University of Medical Science, Tehran, Iran
| | - Azam Ghaziasadi
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
- Research Center for Clinical Virology, Tehran University of Medical Science, Tehran, Iran
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Perez VL, Mousa HM, Miyagishima KJ, Reed AA, Su AJA, Greenwell TN, Washington KM. Retinal transplant immunology and advancements. Stem Cell Reports 2024; 19:817-829. [PMID: 38729155 PMCID: PMC11297553 DOI: 10.1016/j.stemcr.2024.04.007] [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: 06/07/2023] [Revised: 04/12/2024] [Accepted: 04/15/2024] [Indexed: 05/12/2024] Open
Abstract
Several gaps and barriers remain for transplanting stem cells into the eye to treat ocular disease, especially diseases of the retina. While the eye has historically been considered immune privileged, recent thinking has identified the immune system as both a barrier and an opportunity for eye stem cell transplantation. Recent approaches leveraging scaffolds or cloaking have been considered in other tissues beyond immune suppression. This perspective paper outlines approaches for transplantation and proposes opportunities to overcome barriers of the immune system in stem cell transplantation in the eye.
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Affiliation(s)
- Victor L Perez
- Department of Ophthalmology, Duke University Medical Center, Durham, NC, USA; Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL, USA.
| | - Hazem M Mousa
- Department of Ophthalmology, Duke University Medical Center, Durham, NC, USA
| | | | - Amberlynn A Reed
- National Eye Institute, National Institutes of Health, Bethesda, MD, USA
| | - An-Jey A Su
- Department of Surgery, University of Colorado School of Medicine, CU Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Thomas N Greenwell
- National Eye Institute, National Institutes of Health, Bethesda, MD, USA
| | - Kia M Washington
- Department of Surgery, University of Colorado School of Medicine, CU Anschutz Medical Campus, Aurora, CO 80045, USA.
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Huang J, Zhang Y, Lin T, Yin H, Pan Y, Zhu M, Zhang M. A cell-permeable peptide inhibitor of p55PIK signaling alleviates suture-induced corneal neovascularization and inflammation. Heliyon 2023; 9:e14869. [PMID: 37095989 PMCID: PMC10121607 DOI: 10.1016/j.heliyon.2023.e14869] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 03/17/2023] [Accepted: 03/21/2023] [Indexed: 04/03/2023] Open
Abstract
To prepare an ophthalmic solution with a cell-permeable TAT peptide (TAT-N24) as the main cell-permeable peptide inhibitor of p55PIK signaling and observe its therapeutic effect on suture-induced corneal neovascularization (CNV) in rats. Sprague-Dawley rats were used to establish a corneal suture (CS) model of CNV. The vehicle and 0.9% TAT-N24 ophthalmic solution was topically administered. CNV induction was assessed on the basis of the clinical performance of each group. Hematoxylin-eosin staining was used to observe pathological changes, and immunohistochemical staining and confocal immunofluorescence were used to determine the localization of factors associated with corneal tissue. The mRNA expression levels of hypoxia-inducible factor (HIF-1α), vascular endothelial growth factor (VEGF-A), nuclear transcription factor κB (NF-κB p65), tumor necrosis factor (TNF-α), interleukin-1β (IL-1β), and interleukin (IL)-6 were determined using real-time quantitative polymerase chain reaction. Western blotting was performed to detect the protein expression levels of HIF-1α and NF-κB p65. TAT-N24 slowed CNV production and reduced the expression of HIF-1α and inflammatory factors in CS models. The mRNA levels of HIF-1α, VEGF-A, NF-kB, TNF-α, IL-1β, and IL-6 significantly decreased. Moreover, the protein levels of HIF-1α and NF-κB p65 were significantly decreased. TAT-N24 can treat CNV and ocular inflammation by inhibiting the HIF-1α/NF-κB signaling pathway in CS. In the early treatment of corneal foreign body trauma, topical application of TAT-N24 can not only reduce the inflammatory response but also inhibit corneal neovascularization.
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Perez VL, Mousa HM, Soifer M, Beatty C, Sarantopoulos S, Saban DR, Levy RB. Meibomian Gland Dysfunction: A Route of Ocular Graft-Versus-Host Disease Progression That Drives a Vicious Cycle of Ocular Surface Inflammatory Damage. Am J Ophthalmol 2023; 247:42-60. [PMID: 36162534 PMCID: PMC10270654 DOI: 10.1016/j.ajo.2022.09.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 09/09/2022] [Accepted: 09/12/2022] [Indexed: 01/05/2023]
Abstract
PURPOSE To investigate the role of aggressive meibomian gland dysfunction (MGD) in the immune pathogenesis of ocular graft-vs-host disease (GVHD). METHODS In mice, an allogeneic GVHD model was established by transferring bone marrow (BM) and purified splenic T cells from C57BL/6J mice into irradiated C3-SW.H2b mice (BM+T). Control groups received BM only. Mice were scored clinically across the post-transplantation period. MGD severity was categorized using the degree of atrophy on harvested lids. Immune disease was analyzed using flow cytometry of tissues along with fluorescent tracking of BM cells onto the ocular surface. In humans, parameters from 57 patients with ocular GVHD presenting to the Duke Eye Center were retrospectively reviewed. MGD was categorized using the degree of atrophy on meibographs. Immune analysis was done using high-parameter flow cytometry on tear samples. RESULTS Compared with BM only, BM+T mice had higher systemic disease scores that correlated with tear fluid loss and eyelid edema. BM+T had higher immune cell infiltration in the ocular tissues and higher CD4+-cell cytokine expression in draining lymph nodes. BM+T mice with worse MGD scores had significantly worse corneal staining. In patients with ocular GVHD, 96% had other organs affected. Patients with ocular GVHD had abnormal parameters on dry eye testing, high matrix metalloproteinase-9 positivity (92%), and abundance of immune cells in tear samples. Ocular surface disease signs were worse in patients with higher MGD severity scores. CONCLUSIONS Ocular GVHD is driven by a systemic, T-cell-dependent process that causes meibomian gland damage and induces a robust form of ocular surface disease that correlates with MGD severity. NOTE: Publication of this article is sponsored by the American Ophthalmological Society.
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Affiliation(s)
- Victor L Perez
- Foster Center for Ocular Immunology, Department of Ophthalmology (V.L.P., H.M.M., M.S.); Duke Eye Center, Duke University School of Medicine; Department of Immunology, Duke University Medical Center (C.B., D.R.S.).
| | - Hazem M Mousa
- Foster Center for Ocular Immunology, Department of Ophthalmology (V.L.P., H.M.M., M.S.); Duke Eye Center, Duke University School of Medicine; Department of Immunology, Duke University Medical Center (C.B., D.R.S.)
| | - Matias Soifer
- Foster Center for Ocular Immunology, Department of Ophthalmology (V.L.P., H.M.M., M.S.); Duke Eye Center, Duke University School of Medicine; Department of Immunology, Duke University Medical Center (C.B., D.R.S.)
| | - Cole Beatty
- Duke Eye Center, Duke University School of Medicine; Department of Immunology, Duke University Medical Center (C.B., D.R.S.)
| | - Stefanie Sarantopoulos
- Division of Hematological Malignancies and Cellular Therapy, Duke University Department of Medicine, Duke Cancer Institute (S.S.) Durham, North Carolina
| | - Daniel R Saban
- Duke Eye Center, Duke University School of Medicine; Department of Immunology, Duke University Medical Center (C.B., D.R.S.)
| | - Robert B Levy
- Department of Microbiology and Immunology, University of Miami Miller School of Medicine, Miami, Florida (R.B.L.), USA
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Xia D, Toy R, Pradhan P, Hejri A, Chae J, Grossniklaus HE, Cursiefen C, Roy K, Prausnitz MR. Enhanced immune responses to vaccine antigens in the corneal stroma. J Control Release 2023; 353:434-446. [PMID: 36462639 PMCID: PMC9892265 DOI: 10.1016/j.jconrel.2022.11.045] [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: 07/25/2022] [Revised: 11/24/2022] [Accepted: 11/26/2022] [Indexed: 12/12/2022]
Abstract
To examine the widely accepted dogma that the eye is an immune-privileged organ that can suppress antigen immunogenicity, we explored systemic immune responses to a model vaccine antigen (tetanus toxoid) delivered to six compartments of the rodent eye (ocular surface, corneal stroma, anterior chamber, subconjunctival space, suprachoroidal space, vitreous body). We discovered that antigens delivered to corneal stroma induced enhanced, rather than suppressed, antigen-specific immune responses, which were 18- to 30-fold greater than conventional intramuscular injection and comparable to intramuscular vaccination with alum adjuvant. Systemic immune responses to antigen delivered to the other ocular compartments were much weaker. The enhanced systemic immune responses after intrastromal injection were related to a sequence of events involving the formation of an antigen "depot" in the avascular stroma, infiltration of antigen-presenting cells, up-regulation of MHC class II and costimulatory molecules CD80/CD86, and induction of lymphangiogenesis in the corneal stroma facilitating sustained presentation of antigen to the lymphatic system. These enhanced immune responses in corneal stroma suggest new approaches to medical interventions for ocular immune diseases and vaccination methods.
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Affiliation(s)
- Dengning Xia
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA; School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - Randall Toy
- Wallace H. Coulter Department of Biomedical Engineering at Georgia Tech and Emory University, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Pallab Pradhan
- Wallace H. Coulter Department of Biomedical Engineering at Georgia Tech and Emory University, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Amir Hejri
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Jeremy Chae
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Hans E Grossniklaus
- Departments of Ophthalmology and Pathology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Claus Cursiefen
- Department of Ophthalmology, University of Cologne, Cologne 50937, Germany
| | - Krishnendu Roy
- Wallace H. Coulter Department of Biomedical Engineering at Georgia Tech and Emory University, Georgia Institute of Technology, Atlanta, GA 30332, USA.
| | - Mark R Prausnitz
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA; Wallace H. Coulter Department of Biomedical Engineering at Georgia Tech and Emory University, Georgia Institute of Technology, Atlanta, GA 30332, USA.
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6
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Cytokine profile of human limbal myofibroblasts: Key players in corneal antiviral response. Cytokine 2022; 160:156047. [DOI: 10.1016/j.cyto.2022.156047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 09/02/2022] [Accepted: 09/19/2022] [Indexed: 11/23/2022]
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Wilson SE. Fibrosis Is a Basement Membrane-Related Disease in the Cornea: Injury and Defective Regeneration of Basement Membranes May Underlie Fibrosis in Other Organs. Cells 2022; 11:309. [PMID: 35053425 PMCID: PMC8774201 DOI: 10.3390/cells11020309] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/07/2022] [Accepted: 01/12/2022] [Indexed: 02/06/2023] Open
Abstract
Every organ develops fibrosis that compromises functions in response to infections, injuries, or diseases. The cornea is a relatively simple, avascular organ that offers an exceptional model to better understand the pathophysiology of the fibrosis response. Injury and defective regeneration of the epithelial basement membrane (EBM) or the endothelial Descemet's basement membrane (DBM) triggers the development of myofibroblasts from resident corneal fibroblasts and bone marrow-derived blood borne fibrocytes due to the increased entry of TGF beta-1/-2 into the stroma from the epithelium and tears or residual corneal endothelium and aqueous humor. The myofibroblasts, and disordered extracellular matrix these cells produce, persist until the source of injury is removed, the EBM and/or DBM are regenerated, or replaced surgically, resulting in decreased stromal TGF beta requisite for myofibroblast survival. A similar BM injury-related pathophysiology can underly the development of fibrosis in other organs such as skin and lung. The normal liver does not contain traditional BMs but develops sinusoidal endothelial BMs in many fibrotic diseases and models. However, normal hepatic stellate cells produce collagen type IV and perlecan that can modulate TGF beta localization and cognate receptor binding in the space of Dissé. BM-related fibrosis is deserving of more investigation in all organs.
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Affiliation(s)
- Steven E Wilson
- Cole Eye Institute, I-32, Cleveland Clinic, 9500 Euclid Ave, Cleveland, OH 44195, USA
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Immune responses to injury and their links to eye disease. Transl Res 2021; 236:52-71. [PMID: 34051364 PMCID: PMC8380715 DOI: 10.1016/j.trsl.2021.05.005] [Citation(s) in RCA: 72] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/12/2021] [Accepted: 05/24/2021] [Indexed: 12/31/2022]
Abstract
The eye is regarded as an immune privileged site. Since the presence of a vasculature would impair vision, the vasculature of the eye is located outside of the central light path. As a result, many regions of the eye evolved mechanisms to deliver immune cells to sites of dysgenesis, injury, or in response to the many age-related pathologies. While the purpose of these immune responses is reparative or protective, cytokines released by immune cells compromise visual acuity by inducing inflammation and fibrosis. The response to traumatic or pathological injury is distinct in different regions of the eye. Age-related diseases impact both the anterior and posterior segment and lead to reduced quality of life and blindness. Here we focus attention on the role that inflammation and fibrosis play in the progression of age-related pathologies of the cornea and the lens as well as in glaucoma, the formation of epiretinal membranes, and in proliferative vitreoretinopathy.
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Key Words
- 2ryERM
- A T-helper cell that expresses high levels of IL-17 which can suppress T-regulatory cell function
- A cytokine expressed early during inflammation that attracts neutrophils
- A cytokine expressed early during inflammation that attracts neutrophils, sometimes referred to as monocyte chemoattractant protein-1 (MCP-1))
- A mouse model that lacks functional T and B cells and used to study the immune response
- A pigmented mouse strain used for research and known to mount a primarily Th1 response to infection
- A protein encoded by the ADGRE1 gene that, in mice, is expressed primarily on macrophages
- A strain of pigmented mice used in glaucoma research
- ACAID
- APCs
- ASC
- An albino mouse strain used for research and known to mount a primarily Th2 response to infection
- Antigen Presenting Cells, this class includes dendritic cells and monocytes
- BALB/c
- BM
- C57BL6
- CCL2
- CD45
- CNS
- CXCL1
- Central Nervous System
- Cluster of differentiation 45 antigen
- DAMPs
- DBA/2J
- EBM
- ECM
- EMT
- ERM
- Epithelial Basement Membrane
- F4/80
- FGF2
- HA =hyaluronic acid
- HSK
- HSP
- HSPGs
- HSV
- ICN
- IL-20
- IL6
- ILM
- IOP
- Inner (or internal) limiting membrane
- Interleukin 6
- Interleukin-20
- MAGP1
- MHC-II
- Major histocompatibility complex type II, a class of MHC proteins typically found only on APCs
- Microfibril-associated glycoprotein 1
- N-cad
- N-cadherin
- NEI
- NK
- National Eye Institute
- Natural killer T cells
- PCO
- PDGF
- PDR
- PVD
- PVR
- Platelet derived growth factor
- Posterior capsular opacification
- RGC
- RPE
- RRD
- Rag1-/-
- Retinal ganglion cells
- Retinal pigment epithelial cells
- SMAD
- Sons of Mothers Against Decapentaplegic, SMADs are a class of molecules that mediate TGF and bone morphogenetic protein signaling
- T-helper cell 1 response, proinflammatory adaptive response involving interferon gamma and associated with autoimmunity
- T-helper cell 2 response involving IgE and interleukins 4,5, and 13, also induces the anti-inflammatory interleukin 10 family cytokines
- T-regulatory cell
- TG
- TGF1
- TM
- TNF
- Th1
- Th17
- Th2
- Transforming growth factor 1
- Treg
- Tumor necrosis factor a cytokine produced during inflammation
- VEGF
- Vascular endothelial growth factor
- WHO
- World Health Organization
- anterior chamber immune deviation
- anterior subcapsular cataracts
- basement membrane
- damage-associated molecular patterns
- epiretinal membrane
- epiretinal membrane secondary to disease pathology
- epithelial-mesenchymal transition
- extracellular matrix
- fibroblast growth factor 2, also referred to as basic FGF
- heat shock protein
- heparan sulfate proteoglycans
- herpes simplex virus
- herpes stromal keratitis
- iERM
- idiopathic epiretinal membrane
- intraepithelial corneal nerves
- intraocular pressure
- mTOR
- mechanistic target of rapamycin, a protein kinase encoded by the MTOR genes that regulates a variety of signal transduction events including cell growth, autophagy and actin cytoskeleton
- posterior vitreous detachment
- proliferative diabetic retinopathy
- proliferative vitreoretinopathy
- rhegmatogenous (rupture, tear) retinal detachment
- trabecular meshwork
- trigeminal ganglion
- αSMA
- α−Smooth muscle actin, a class of actin expressed in mesenchymal cells
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Walker JL, Menko AS. Immune cells in lens injury repair and fibrosis. Exp Eye Res 2021; 209:108664. [PMID: 34126081 DOI: 10.1016/j.exer.2021.108664] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 05/26/2021] [Accepted: 05/28/2021] [Indexed: 12/18/2022]
Abstract
Immune cells, both tissue resident immune cells and those immune cells recruited in response to wounding or degenerative conditions, are essential to both the maintenance and restoration of homeostasis in most tissues. These cells are typically provided to tissues by their closely associated vasculatures. However, the lens, like many of the tissues in the eye, are considered immune privileged sites because they have no associated vasculature. Such absence of immune cells was thought to protect the lens from inflammatory responses that would bring with them the danger of causing vision impairing opacities. However, it has now been shown, as occurs in other immune privileged sites in the eye, that novel pathways exist by which immune cells come to associate with the lens to protect it, maintain its homeostasis, and function in its regenerative repair. Here we review the discoveries that have revealed there are both innate and adaptive immune system responses to lens, and that, like most other tissues, the lens harbors a population of resident immune cells, which are the sentinels of danger or injury to a tissue. While resident and recruited immune cells are essential elements of lens homeostasis and repair, they also become the agents of disease, particularly as progenitors of pro-fibrogenic myofibroblasts. There still remains much to learn about the function of lens-associated immune cells in protection, repair and disease, the knowledge of which will provide new tools for maintaining the core functions of the lens in the visual system.
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Affiliation(s)
- Janice L Walker
- Department of Pathology, Anatomy and Cell Biology, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, 19107, USA; Department of Ophthalmology, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, 19107, USA
| | - A Sue Menko
- Department of Pathology, Anatomy and Cell Biology, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, 19107, USA; Department of Ophthalmology, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, 19107, USA.
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