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Arévalo-López C, Gleitze S, Madariaga S, Plaza-Rosales I. Pupillary response to chromatic light stimuli as a possible biomarker at the early stage of glaucoma: a review. Int Ophthalmol 2023; 43:343-356. [PMID: 35781599 DOI: 10.1007/s10792-022-02381-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Accepted: 06/14/2022] [Indexed: 02/07/2023]
Abstract
Glaucoma is a multifactorial neurodegenerative disease of the optic nerve currently considered a severe health problem because of its high prevalence, being the primary cause of irreversible blindness worldwide. The most common type corresponds to Primary Open-Angle Glaucoma. Glaucoma produces, among other alterations, a progressive loss of retinal ganglion cells (RGC) and its axons which are the key contributors to generate action potentials that reach the visual cortex to create the visual image. Glaucoma is characterized by Visual Field loss whose main feature is to be painless and therefore makes early detection difficult, causing a late diagnosis and a delayed treatment indication that slows down its progression. Intrinsically photosensitive retinal ganglion cells, which represent a subgroup of RGCs are characterized by their response to short-wave light stimulation close to 480 nm, their non-visual function, and their role in the generation of the pupillary reflex. Currently, the sensitivity of clinical examinations correlates to RGC damage; however, the need for an early damage biomarker is still relevant. It is an urgent task to create new diagnostic approaches to detect an early stage of glaucoma in a prompt, quick, and economical manner. We summarize the pathology of glaucoma and its current clinical detection methods, and we suggest evaluating the pupillary response to chromatic light as a potential biomarker of disease, due to its diagnostic benefit and its cost-effectiveness in clinical practice in order to reduce irreversible damage caused by glaucoma.
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Affiliation(s)
- Carla Arévalo-López
- Department of Medical Technology, Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Silvia Gleitze
- Biomedical Neuroscience Institute, Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Samuel Madariaga
- Biomedical Neuroscience Institute, Faculty of Medicine, Universidad de Chile, Santiago, Chile.,Laboratorio de Neurosistemas, Department of Neuroscience, Faculty of Medicine, Universidad de Chile, Santiago, Chile.,Ecological Cognitive Neuroscience Group, Santiago, Chile
| | - Iván Plaza-Rosales
- Department of Medical Technology, Faculty of Medicine, Universidad de Chile, Santiago, Chile. .,Biomedical Neuroscience Institute, Faculty of Medicine, Universidad de Chile, Santiago, Chile. .,Laboratorio de Neurosistemas, Department of Neuroscience, Faculty of Medicine, Universidad de Chile, Santiago, Chile. .,Ecological Cognitive Neuroscience Group, Santiago, Chile.
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Yin Y, Wu S, Niu L, Huang S. A ZFP42/MARK2 regulatory network reduces the damage of retinal ganglion cells in glaucoma: a study based on GEO dataset and in vitro experiments. Apoptosis 2022; 27:1049-1059. [PMID: 36131186 DOI: 10.1007/s10495-022-01746-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/12/2022] [Indexed: 11/02/2022]
Abstract
Glaucoma is a common disorder in which the death of retinal ganglion cells (RGCs) results in a progressive loss of sight, even blindness. This study was performed to reveal the key molecular mechanism of RGC damage in glaucoma based on the Gene Expression Omnibus database. Glaucoma-related microarray datasets were identified, followed by collection of differentially expressed genes (DEGs) with the key genes discovered by weighted gene co-expression network analysis. Through LASSO regression analysis, candidate genes involved in the pathogenesis of glaucoma were identified with their accuracy evaluated by receiver operating characteristic curve analysis. The glaucoma-specific transcriptional regulatory network was constructed to determine the key transcription factor regulatory axis. Then, in vitro cell models were established using H2O2 for further verifying the regulatory role of identified ZFP42/MARK2 axis in RGC damage in glaucoma. Differential analysis of GSE27276, GSE45570, and GSE101727 microarray datasets yielded 165 DEGs, and 22 key genes were identified following. Then, 9 candidate genes involved in the pathogenesis of glaucoma was collected and the key ZFP42/MARK2 regulatory axis was found. In vitro cell experiments further confirmed that ZFP42 and MARK2 were down-regulated in RGCs treated with H2O2. In addition, overexpression of ZFP42 increased the expression of MARK2 to increase RGC cell viability, and reduce cell apoptosis and ROS levels, while silencing MARK2 could reverse the protective effect of ZFP42. We confirmed that ZFP42 reduced the damage of RGCs in glaucoma by up-regulating the expression of MARK2.
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Affiliation(s)
- Yuan Yin
- Department of Ophthalmology, The Second Hospital of Jilin University, Changchun, 130042, Jilin, People's Republic of China
| | - Shuai Wu
- Department of Ophthalmology, The Second Hospital of Jilin University, Changchun, 130042, Jilin, People's Republic of China
| | - Lingzhi Niu
- Department of Ophthalmology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, 250014, People's Republic of China
| | - Shiwei Huang
- Department of Ophthalmology, The Second Hospital of Jilin University, Changchun, 130042, Jilin, People's Republic of China.
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Szilágyi A, Takács B, Szekeres R, Tarjányi V, Bombicz M, Priksz D, Kovács A, Juhász B, Frecska E, Szilvássy Z, Varga B. Therapeutic Properties of Ayahuasca Components in Ischemia/Reperfusion Injury of the Eye. Biomedicines 2022; 10:biomedicines10050997. [PMID: 35625734 PMCID: PMC9138933 DOI: 10.3390/biomedicines10050997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 04/13/2022] [Accepted: 04/23/2022] [Indexed: 02/06/2023] Open
Abstract
Ischemic eye diseases are major causes of vision impairment. Thus, potential retinoprotective effects of N’N-dimethyltryptamine (DMT) were investigated. To inhibit its rapid breakdown by monoamine-oxidase A (MAO-A) enzyme, DMT was co-administered with harmaline, a β-carboline in the Amazonian Ayahuasca brew. Using ligation, 60 min of ischemia was provoked in eyes of rats, followed by 7 days of reperfusion whilst animals received harmaline alone, DMT + harmaline, or vehicle treatment. After 1 week of reperfusion, electroretinographical (ERG) measurements, histological analysis, and Western blot were performed. Harmaline alone exhibited retinoprotection in ischemia–reperfusion (I/R) which was, surprisingly, counterbalanced by DMT in case of co-administration. As both MAO-A inhibition and DMT increase serotoninergic tone synergistically, communicated to be anti-ischemic, thus, involvement of other pathways was investigated. Based on our experiments, DMT and harmaline exert opposite effects on important ocular proteins such as PARP1, NFκB, MMP9, or HSP70, each having a critical role in a different mechanism of eye-ischemia-related pathologies, e.g., cell death, inflammation, tissue destruction, and oxidative stress. Since DMT is proclaimed to be a promising drug candidate, its potentially undesirable effect on eye-ischemia should be further investigated. Meanwhile, this experiment revealed the potential therapeutic effect of MAO-A inhibitor harmaline in I/R-related eye diseases.
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Affiliation(s)
- Anna Szilágyi
- Department of Pharmacology and Pharmacotherapy, University of Debrecen, Nagyerdei Krt 98, H-4032 Debrecen, Hungary; (A.S.); (B.T.); (R.S.); (V.T.); (M.B.); (D.P.); (B.J.); (Z.S.)
| | - Barbara Takács
- Department of Pharmacology and Pharmacotherapy, University of Debrecen, Nagyerdei Krt 98, H-4032 Debrecen, Hungary; (A.S.); (B.T.); (R.S.); (V.T.); (M.B.); (D.P.); (B.J.); (Z.S.)
| | - Réka Szekeres
- Department of Pharmacology and Pharmacotherapy, University of Debrecen, Nagyerdei Krt 98, H-4032 Debrecen, Hungary; (A.S.); (B.T.); (R.S.); (V.T.); (M.B.); (D.P.); (B.J.); (Z.S.)
| | - Vera Tarjányi
- Department of Pharmacology and Pharmacotherapy, University of Debrecen, Nagyerdei Krt 98, H-4032 Debrecen, Hungary; (A.S.); (B.T.); (R.S.); (V.T.); (M.B.); (D.P.); (B.J.); (Z.S.)
| | - Mariann Bombicz
- Department of Pharmacology and Pharmacotherapy, University of Debrecen, Nagyerdei Krt 98, H-4032 Debrecen, Hungary; (A.S.); (B.T.); (R.S.); (V.T.); (M.B.); (D.P.); (B.J.); (Z.S.)
| | - Dániel Priksz
- Department of Pharmacology and Pharmacotherapy, University of Debrecen, Nagyerdei Krt 98, H-4032 Debrecen, Hungary; (A.S.); (B.T.); (R.S.); (V.T.); (M.B.); (D.P.); (B.J.); (Z.S.)
| | - Attila Kovács
- Department of Psychiatry, Faculty of Medicine, University of Debrecen, Nagyerdei Krt 98, H-4032 Debrecen, Hungary; (A.K.); (E.F.)
| | - Béla Juhász
- Department of Pharmacology and Pharmacotherapy, University of Debrecen, Nagyerdei Krt 98, H-4032 Debrecen, Hungary; (A.S.); (B.T.); (R.S.); (V.T.); (M.B.); (D.P.); (B.J.); (Z.S.)
| | - Ede Frecska
- Department of Psychiatry, Faculty of Medicine, University of Debrecen, Nagyerdei Krt 98, H-4032 Debrecen, Hungary; (A.K.); (E.F.)
| | - Zoltán Szilvássy
- Department of Pharmacology and Pharmacotherapy, University of Debrecen, Nagyerdei Krt 98, H-4032 Debrecen, Hungary; (A.S.); (B.T.); (R.S.); (V.T.); (M.B.); (D.P.); (B.J.); (Z.S.)
| | - Balázs Varga
- Department of Pharmacology and Pharmacotherapy, University of Debrecen, Nagyerdei Krt 98, H-4032 Debrecen, Hungary; (A.S.); (B.T.); (R.S.); (V.T.); (M.B.); (D.P.); (B.J.); (Z.S.)
- Correspondence: ; Tel.: +36-52-427-899
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Investigation of Key Signaling Pathways Associating miR-204 and Common Retinopathies. BIOMED RESEARCH INTERNATIONAL 2021; 2021:5568113. [PMID: 34646884 PMCID: PMC8505061 DOI: 10.1155/2021/5568113] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Revised: 06/15/2021] [Accepted: 09/08/2021] [Indexed: 02/07/2023]
Abstract
MicroRNAs are a large group of small noncoding RNAs that work in multiple cellular pathways. miR-204, as one of the key axes in the development, maintenance, and pathogenesis of the retina, plays several roles by modulating its target genes. This study was aimed at evaluating the target genes of miR-204 involved in the development and progression of common retinopathies such as glaucoma, retinoblastoma, and age-related macular degeneration. In this study, three datasets related to retinopathies (GSE50195, GSE27276, and GSE97508) were selected from Gene Expression Omnibus. miR-204 target genes were isolated from TargeScan. The shares between retinopathy and miR-204 target genes were then categorized. Using Enrichr and STRING, we highlighted the signaling pathways and the relationships between the proteins. SHC1 events in ERBB2, adherent junction's interactions, NGF signaling via TRKA from the plasma membrane, IRF3-mediated activation of type 1 IFN, pathways in upregulated genes and G0 and early G1, RORA-activated gene expression, PERK-regulated gene expression, adherent junction's interactions, and CREB phosphorylation pathways in downregulated genes were identified in glaucoma, retinoblastoma, and age-related macular degeneration. WEE1, SMC2, HMGB1, RRM2, and POLA1 proteins were also observed to be involved in the progression and invasion of retinoblastoma; SLC24A2 and DTX4 in age-related macular degeneration; and EPHB6, EFNB3, and SHC1 in glaucoma. Continuous bioinformatics analysis has shown that miR-204 has a significant presence and expression in retinal tissue, and approximately 293 genes are controlled and regulated by miR-204 in this tissue; also, target genes of miR-204 have the potential to develop various retinopathies; thus, a study of related target genes can provide appropriate treatment strategies in the future.
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Tribble JR, Kokkali E, Otmani A, Plastino F, Lardner E, Vohra R, Kolko M, André H, Morgan JE, Williams PA. When Is a Control Not a Control? Reactive Microglia Occur Throughout the Control Contralateral Pathway of Retinal Ganglion Cell Projections in Experimental Glaucoma. Transl Vis Sci Technol 2021; 10:22. [PMID: 33510961 PMCID: PMC7804521 DOI: 10.1167/tvst.10.1.22] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 12/02/2020] [Indexed: 12/19/2022] Open
Abstract
Purpose Animal models show retinal ganglion cell (RGC) injuries that replicate features of glaucoma and the contralateral eye is commonly used as an internal control. There is significant crossover of RGC axons from the ipsilateral to the contralateral side at the level of the optic chiasm, which may confound findings when damage is restricted to one eye. The effect of unilateral glaucoma on neuroinflammatory damage to the contralateral pathway of RGC projections has largely been unexplored. Methods Ocular hypertensive glaucoma was induced unilaterally or bilaterally in the rat and RGC neurodegenerative events were assessed. Neuroinflammation was quantified in the retina, optic nerve head, optic nerve, lateral geniculate nucleus, and superior colliculus by high-resolution imaging, and in the retina by flow cytometry and protein arrays. Results After ocular hypertensive stress, peripheral monocytes enter the retina and microglia become reactive. This effect is more marked in animals with bilateral ocular hypertensive glaucoma. In rats where glaucoma was induced unilaterally, there was significant microglia activation in the contralateral (control) eye. Microglial activation extended into the optic nerve and terminal visual thalami, where it was similar across hemispheres in unilateral ocular hypertension. Conclusions These data suggest that caution is warranted when using the contralateral eye as a control and in comparing visual thalami in unilateral models of glaucoma. Translational Relevance The use of a contralateral eye as a control may confound the discovery of human-relevant mechanism and treatments in animal models. We also identify neuroinflammatory protein responses that warrant further investigation as potential disease-modifiable targets.
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Affiliation(s)
- James R. Tribble
- Department of Clinical Neuroscience, Division of Eye and Vision, St. Erik Eye Hospital, Karolinska Institutet, Stockholm, Sweden
| | - Eirini Kokkali
- School of Optometry and Vision Sciences, Cardiff University, Cardiff, Wales, UK
| | - Amin Otmani
- Department of Clinical Neuroscience, Division of Eye and Vision, St. Erik Eye Hospital, Karolinska Institutet, Stockholm, Sweden
| | - Flavia Plastino
- Department of Clinical Neuroscience, Division of Eye and Vision, St. Erik Eye Hospital, Karolinska Institutet, Stockholm, Sweden
| | - Emma Lardner
- Department of Clinical Neuroscience, Division of Eye and Vision, St. Erik Eye Hospital, Karolinska Institutet, Stockholm, Sweden
| | - Rupali Vohra
- Department of Veterinary and Animal Sciences, Pathobiological Sciences, University of Copenhagen, Denmark
- Department of Drug Design and Pharmacology, University of Copenhagen, Copenhagen, Denmark
| | - Miriam Kolko
- Department of Drug Design and Pharmacology, University of Copenhagen, Copenhagen, Denmark
- Department of Ophthalmology, Rigshospitalet-Glostrup, Copenhagen, Denmark
| | - Helder André
- Department of Clinical Neuroscience, Division of Eye and Vision, St. Erik Eye Hospital, Karolinska Institutet, Stockholm, Sweden
| | - James E. Morgan
- School of Optometry and Vision Sciences, Cardiff University, Cardiff, Wales, UK
- School of Medicine, Cardiff University, Cardiff, Wales, UK
| | - Pete A. Williams
- Department of Clinical Neuroscience, Division of Eye and Vision, St. Erik Eye Hospital, Karolinska Institutet, Stockholm, Sweden
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Yu M, Xie F, Liu X, Sun H, Guo Z, Liu X, Li W, Sun W, Wang Y, He C. Proteomic Study of Aqueous Humor and Its Application in the Treatment of Neovascular Glaucoma. Front Mol Biosci 2020; 7:587677. [PMID: 33195434 PMCID: PMC7580691 DOI: 10.3389/fmolb.2020.587677] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 09/07/2020] [Indexed: 12/13/2022] Open
Abstract
Aqueous humor (AH) proteins are involved in many physiological and pathological processes of the eye. The proteome analysis of AH is important to understand its physiological and pathophysiological functions. In the present study, AH samples obtained from 21 cataract volunteers were pooled together. After high-pH RPLC offline separation, the pooled sample was analyzed by LC-MS/MS to provide a comprehensive profile of AH proteome. The function analysis was provided by the GO and IPA annotation. In order to determine whether the AH proteome can reflect the pathophysiological changes of the disease, DIA technology was used to analyze the AH samples obtained from three neovascular glaucoma (NVG) patients (six samples) before and after drug treatment. The differential proteins were validated by PRM technology in an independent group (14 samples). In the AH proteome database, 802 proteins were identified, and 318 proteins were identified for the first time. Furthermore, 480 proteins were quantified based on the peak intensity-based semiquantification (iBAQ), which ranged by approximately 7 orders of magnitude. These proteins are primarily involved in immunity- and inflammation-related pathways. The differential AH proteomic analysis in NVG treatment revealed that the AH proteome can reflect the pathophysiological changes of drug treatment. Angiogenesis and thrombus coagulation progression are deeply involved in NVG treatment. The present experiment provided a comprehensive AH proteome analysis and expanded the profile of human AH proteome. The differential AH proteomic analysis of NVG treatment indicated that AH proteome can reflect the pathophysiological changes in drug intervention.
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Affiliation(s)
- Mengxi Yu
- China-Japan Union Hospital of Jilin University, Changchun, China
| | - Feng Xie
- China-Japan Union Hospital of Jilin University, Changchun, China
| | - Xiang Liu
- Shanghai AB Sciex Analytical Instrument Trading Co., Ltd., Shanghai, China
| | - Haidan Sun
- Core Facility of Instrument, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Peking, China
| | - Zhengguang Guo
- Core Facility of Instrument, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Peking, China
| | - Xiaoyan Liu
- Core Facility of Instrument, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Peking, China
| | - Wei Li
- China-Japan Union Hospital of Jilin University, Changchun, China
| | - Wei Sun
- Core Facility of Instrument, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, School of Basic Medicine, Peking Union Medical College, Peking, China
| | - Ying Wang
- Department of Ophthalmology, The Second Hospital of Jilin University, Changchun, China
| | - Chengyan He
- China-Japan Union Hospital of Jilin University, Changchun, China
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