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Lee Y, Park J, Bang S, Kwon Y. A Standardized Extract of Green-Cotyledon Small Black Soybean (EYESOY®) Ameliorates Dry Eye Syndrome in an Animal Model. Curr Eye Res 2024; 49:1021-1029. [PMID: 38856074 DOI: 10.1080/02713683.2024.2357599] [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: 11/29/2023] [Revised: 04/22/2024] [Accepted: 05/14/2024] [Indexed: 06/11/2024]
Abstract
PURPOSE Dry eye syndrome is a common ocular disease that causes morbidity, high healthcare burden, and decreased quality of life. In this study, we evaluated the beneficial effects of a standardized extract of small black soybean (EYESOY®) in a benzalkonium chloride (BAC)-induced murine model of dry eye. METHODS Experimental dry eye was induced by instillation of 0.02% BAC on the right eye of the Sprague-Dawley rats. Saline solution or EYESOY were administered orally every day for 8 weeks. RESULTS EYESOY significantly improved tear volume in the cornea compared with that in the BAC group. Moreover, EYESOY inhibited damage to the corneal epithelial cells and lacrimal glands by suppressing the oxidative and inflammatory responses in a mouse dry eye model. It also increased the goblet cell density and mucin integrity in the conjunctiva. CONCLUSIONS Our results suggest that EYESOY has the potential to alleviate dry eye syndrome.
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Affiliation(s)
- Yoonhee Lee
- Bio Technology R&D Center, WiLab Co., Ltd, Seoul, Republic of Korea
- Department of Food and Nutrition, Sookmyung Women's University, Seoul, Republic of Korea
| | - Juyeon Park
- Bio Technology R&D Center, WiLab Co., Ltd, Seoul, Republic of Korea
| | - Sunah Bang
- Bio Technology R&D Center, WiLab Co., Ltd, Seoul, Republic of Korea
| | - Yongbum Kwon
- Bio Technology R&D Center, WiLab Co., Ltd, Seoul, Republic of Korea
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2
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Shen S, Zhang Y. Restoration of corneal epithelial barrier function: A possible target for corneal neovascularization. Ocul Surf 2024; 34:38-49. [PMID: 38901546 DOI: 10.1016/j.jtos.2024.06.003] [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: 03/13/2024] [Revised: 06/10/2024] [Accepted: 06/11/2024] [Indexed: 06/22/2024]
Abstract
Corneal neovascularization (CoNV) is the second leading common cause of vision impairment worldwide and is a blinding pathological alteration brought on by ocular trauma, infection, and other factors. There are some limitations in the treatment of CoNV, hence it's critical to look into novel therapeutic targets. The corneal epithelial barrier, which is the initial barrier of the ocular surface, is an important structure that shields the eye from changes in the internal environment or invasion by the external environment. This study sought to collate evidence on the regulation of corneal epithelial barrier injury on the activation of vascular endothelial cells (VECs), basement membrane (BM) degradation, differentiation, migration, and proliferation of VECs, vascular maturation and stability, and other key processes in CoNV, so as to provide a novel concept for CoNV therapy targeting corneal epithelial barrier repair.
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Affiliation(s)
- Sitong Shen
- Department of Ophthalmology, The Second Hospital of Jilin University, 218 Ziqiang Street, Nanguan District, Changchun, Jilin Province, 130041, China
| | - Yan Zhang
- Department of Ophthalmology, The Second Hospital of Jilin University, 218 Ziqiang Street, Nanguan District, Changchun, Jilin Province, 130041, China; Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China.
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3
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Clahsen T, Hadrian K, Notara M, Schlereth SL, Howaldt A, Prokosch V, Volatier T, Hos D, Schroedl F, Kaser-Eichberger A, Heindl LM, Steven P, Bosch JJ, Steinkasserer A, Rokohl AC, Liu H, Mestanoglu M, Kashkar H, Schumacher B, Kiefer F, Schulte-Merker S, Matthaei M, Hou Y, Fassbender S, Jantsch J, Zhang W, Enders P, Bachmann B, Bock F, Cursiefen C. The novel role of lymphatic vessels in the pathogenesis of ocular diseases. Prog Retin Eye Res 2023; 96:101157. [PMID: 36759312 DOI: 10.1016/j.preteyeres.2022.101157] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 12/13/2022] [Accepted: 12/17/2022] [Indexed: 02/10/2023]
Abstract
Historically, the eye has been considered as an organ free of lymphatic vessels. In recent years, however, it became evident, that lymphatic vessels or lymphatic-like vessels contribute to several ocular pathologies at various peri- and intraocular locations. The aim of this review is to outline the pathogenetic role of ocular lymphatics, the respective molecular mechanisms and to discuss current and future therapeutic options based thereon. We will give an overview on the vascular anatomy of the healthy ocular surface and the molecular mechanisms contributing to corneal (lymph)angiogenic privilege. In addition, we present (i) current insights into the cellular and molecular mechanisms occurring during pathological neovascularization of the cornea triggered e.g. by inflammation or trauma, (ii) the role of lymphatic vessels in different ocular surface pathologies such as dry eye disease, corneal graft rejection, ocular graft versus host disease, allergy, and pterygium, (iii) the involvement of lymphatic vessels in ocular tumors and metastasis, and (iv) the novel role of the lymphatic-like structure of Schlemm's canal in glaucoma. Identification of the underlying molecular mechanisms and of novel modulators of lymphangiogenesis will contribute to the development of new therapeutic targets for the treatment of ocular diseases associated with pathological lymphangiogenesis in the future. The preclinical data presented here outline novel therapeutic concepts for promoting transplant survival, inhibiting metastasis of ocular tumors, reducing inflammation of the ocular surface, and treating glaucoma. Initial data from clinical trials suggest first success of novel treatment strategies to promote transplant survival based on pretransplant corneal lymphangioregression.
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Affiliation(s)
- Thomas Clahsen
- Department of Ophthalmology, University of Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany; Center for Molecular Medicine (CMMC), University of Cologne, Cologne, Germany
| | - Karina Hadrian
- Department of Ophthalmology, University of Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany; Center for Molecular Medicine (CMMC), University of Cologne, Cologne, Germany
| | - Maria Notara
- Department of Ophthalmology, University of Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany; Center for Molecular Medicine (CMMC), University of Cologne, Cologne, Germany
| | - Simona L Schlereth
- Department of Ophthalmology, University of Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany; Center for Molecular Medicine (CMMC), University of Cologne, Cologne, Germany
| | - Antonia Howaldt
- Department of Ophthalmology, University of Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Verena Prokosch
- Department of Ophthalmology, University of Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Thomas Volatier
- Department of Ophthalmology, University of Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Deniz Hos
- Department of Ophthalmology, University of Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany; Center for Molecular Medicine (CMMC), University of Cologne, Cologne, Germany
| | - Falk Schroedl
- Center for Anatomy and Cell Biology, Institute of Anatomy and Cell Biology - Salzburg, Paracelsus Medical University, Salzburg, Austria
| | - Alexandra Kaser-Eichberger
- Center for Anatomy and Cell Biology, Institute of Anatomy and Cell Biology - Salzburg, Paracelsus Medical University, Salzburg, Austria
| | - Ludwig M Heindl
- Department of Ophthalmology, University of Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Philipp Steven
- Department of Ophthalmology, University of Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany; Cluster of Excellence: Cellular Stress Responses in Ageing-Associated Diseases, CECAD, University of Cologne, Cologne, Germany
| | - Jacobus J Bosch
- Centre for Human Drug Research and Leiden University Medical Center, Leiden, the Netherlands
| | | | - Alexander C Rokohl
- Department of Ophthalmology, University of Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Hanhan Liu
- Department of Ophthalmology, University of Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Mert Mestanoglu
- Department of Ophthalmology, University of Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Hamid Kashkar
- Institute for Molecular Immunology, Center for Molecular Medicine Cologne (CMMC), CECAD Research Center, Faculty of Medicine and University Hospital of Cologne, University of Cologne, Cologne, Germany
| | - Björn Schumacher
- Center for Molecular Medicine (CMMC), University of Cologne, Cologne, Germany; Cluster of Excellence: Cellular Stress Responses in Ageing-Associated Diseases, CECAD, University of Cologne, Cologne, Germany
| | - Friedemann Kiefer
- European Institute for Molecular Imaging (EIMI), University of Münster, 48149, Münster, Germany
| | - Stefan Schulte-Merker
- Institute for Cardiovascular Organogenesis and Regeneration, Faculty of Medicine, WWU Münster, Münster, Germany
| | - Mario Matthaei
- Department of Ophthalmology, University of Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Yanhong Hou
- Department of Ophthalmology, University of Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany; Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, 83 Fenyang Road, Xuhui District, Shanghai, China
| | - Sonja Fassbender
- IUF‒Leibniz Research Institute for Environmental Medicine, Duesseldorf, Germany; Immunology and Environment, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Jonathan Jantsch
- Institute for Medical Microbiology, Immunology and Hygiene, University of Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Wei Zhang
- Department of Ophthalmology, University of Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Philip Enders
- Department of Ophthalmology, University of Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Björn Bachmann
- Department of Ophthalmology, University of Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Felix Bock
- Department of Ophthalmology, University of Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany; Center for Molecular Medicine (CMMC), University of Cologne, Cologne, Germany
| | - Claus Cursiefen
- Department of Ophthalmology, University of Cologne, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany; Center for Molecular Medicine (CMMC), University of Cologne, Cologne, Germany; Cluster of Excellence: Cellular Stress Responses in Ageing-Associated Diseases, CECAD, University of Cologne, Cologne, Germany.
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Chennakesavalu M, Somala SRR, Dommaraju SR, Peesapati MP, Guo K, Rosenblatt MI, Chang JH, Azar DT. Corneal lymphangiogenesis as a potential target in dry eye disease - a systematic review. Surv Ophthalmol 2021; 66:960-976. [PMID: 33811911 PMCID: PMC9991079 DOI: 10.1016/j.survophthal.2021.03.007] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 03/17/2021] [Accepted: 03/22/2021] [Indexed: 02/03/2023]
Abstract
Dry eye disease (DED) is a common ocular surface condition causing symptoms of significant discomfort, visual disturbance, and pain. With recent advancements, DED has become recognized as a chronic self-perpetuating inflammatory condition triggered by various internal and environmental factors. DED has been shown to arise from the activation of both the innate and adaptive immune systems, leading to corneal epithelium and lacrimal gland dysfunction. While the cornea is normally avascular and thus imbued with angiogenic and lymphangiogenic privilege, various DED models have revealed activated corneal antigen-presenting cells in regional lymph nodes, suggesting the formation of new corneal lymphatic vessels in DED. The recent availability of reliable lymphatic cell surface markers such as LYVE-1 has made it possible to study lymphangiogenesis. Accordingly, numerous studies have been published within the last decade discussing the role of lymphangiogenesis in DED pathology. We systematically review the literature to identify and evaluate studies presenting data on corneal lymphangiogenesis in DED. There is considerable evidence supporting corneal lymphangiogenesis as a central mediator of DED pathogenesis. These findings suggest that anti-lymphangiogenic therapeutic strategies may be a viable option for the treatment of DED, a conclusion supported by the limited number of reported clinical trials examining anti-lymphangiogenic modalities in DED.
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Affiliation(s)
- Mohansrinivas Chennakesavalu
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL
| | - Sri Raghurama R Somala
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL
| | - Sunil R Dommaraju
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL
| | - Meghna Priyanka Peesapati
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL
| | - Kai Guo
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL
| | - Mark I Rosenblatt
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL
| | - Jin-Hong Chang
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL.
| | - Dimitri T Azar
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL
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Liu L, Dana R, Yin J. Sensory neurons directly promote angiogenesis in response to inflammation via substance P signaling. FASEB J 2020; 34:6229-6243. [PMID: 32162744 DOI: 10.1096/fj.201903236r] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 02/26/2020] [Accepted: 02/27/2020] [Indexed: 12/14/2022]
Abstract
Blood vessels and nerves travel together to supply most tissues in the body. However, there is a knowledge gap in the mechanisms underlying the direct regulation of angiogenesis by nerves. In the current study, we examined the regulation of angiogenesis by sensory nerves in response to inflammation using the cornea, a normally avascular and densely innervated ocular tissue, as a model. We used desiccating stress as an inflammatory stimulus in vivo and found that sub-basal and epithelial nerve densities in the cornea were reduced in dry eye disease (DED). We established a co-culture system of trigeminal ganglion sensory neurons and vascular endothelial cells (VEC) and found that neurons isolated from mice with DED directly promoted VEC proliferation and tube formation compared with normal controls. In addition, these neurons expressed and secreted higher levels of substance P (SP), a proinflammatory neuropeptide. SP potently promoted VEC activation in vitro and blockade of SP signaling with spantide I, an antagonist of SP receptor Neurokinin-1, significantly reduced corneal neovascularization in vivo. Spantide I and siRNA knockdown of SP abolished the promotion of VEC activation by DED neurons in vitro. Taken together, our data suggested that sensory neurons directly promote angiogenesis via SP signaling in response to inflammation in the cornea.
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Affiliation(s)
- Lingjia Liu
- Schepens Eye Research Institute of Massachusetts Eye and Ear, Harvard Medical School, Boston, MA, USA.,School of Medicine, Nankai University, Tianjin, China
| | - Reza Dana
- Schepens Eye Research Institute of Massachusetts Eye and Ear, Harvard Medical School, Boston, MA, USA
| | - Jia Yin
- Schepens Eye Research Institute of Massachusetts Eye and Ear, Harvard Medical School, Boston, MA, USA
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Kwon JW, Choi JA, Shin EY, La TY, Jee DH, Chung YW, Cho YK. Effect of trapping vascular endothelial growth factor-A in a murine model of dry eye with inflammatory neovascularization. Int J Ophthalmol 2016; 9:1541-1548. [PMID: 27990354 DOI: 10.18240/ijo.2016.11.02] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Accepted: 04/27/2016] [Indexed: 01/17/2023] Open
Abstract
AIM To evaluate whether trapping vascular endothelial growth factor A (VEGF-A) would suppress angiogenesis and inflammation in dry eye corneas in a murine corneal suture model. METHODS We established two groups of animals, one with non-dry eyes and the other with induced dry eyes. In both groups, a corneal suture model was used to induce inflammation and neovascularization. Each of two groups was again divided into three subgroups according to the treatment; subgroup I (aflibercept), subgroup II (dexamethasone) and subgroup III (phosphate buffered saline, PBS). Corneas were harvested and immunohistochemical staining was performed to compare the extents of neovascularization and CD11b+ cell infiltration. Real-time polymerase chain reaction was performed to quantify the expression of inflammatory cytokines and VEGF-A in the corneas. RESULTS Trapping VEGF-A with aflibercept resulted in significantly decreased angiogenesis and inflammation compared with the dexamethasone and PBS treatments in the dry eye corneas (all P<0.05), but with no such effects in non-dry eyes. The anti-inflammatory and anti-angiogenic effects of VEGF-A trapping were stronger than those of dexamethasone in both dry eye and non-dry eye corneas (all P<0.05). The levels of RNA expression of VEGF-A, TNF-alpha, and IL-6 in the aflibercept subgroup were significantly decreased compared with those in the PBS subgroup in the dry eye group. CONCLUSION Compared with non-dry eye corneas, dry eye corneas have greater amounts of inflammation and neovascularization and also have a more robust response to anti-inflammatory and anti-angiogenic agents after ocular surface surgery. Trapping VEGF-A is effective in decreasing both angiogenesis and inflammation in dry eye corneas after ocular surface surgery.
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Affiliation(s)
- Jin Woo Kwon
- Department of Ophthalmology, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, 93 Ji-Dong, Paldal-Gu, Suwon, Gyeonggi-Do 16247, South Korea
| | - Jin A Choi
- Department of Ophthalmology, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, 93 Ji-Dong, Paldal-Gu, Suwon, Gyeonggi-Do 16247, South Korea
| | - Eun Young Shin
- Research Institute of Medical Science, St. Vincent's Hospital, The Catholic University of Korea, 93 Ji-Dong, Paldal-Gu, Suwon, Gyeonggi-Do16247, South Korea
| | - Tae Yoon La
- Department of Ophthalmology, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, 93 Ji-Dong, Paldal-Gu, Suwon, Gyeonggi-Do 16247, South Korea
| | - Dong Hyun Jee
- Department of Ophthalmology, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, 93 Ji-Dong, Paldal-Gu, Suwon, Gyeonggi-Do 16247, South Korea
| | - Yeon Woong Chung
- Department of Ophthalmology, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, 93 Ji-Dong, Paldal-Gu, Suwon, Gyeonggi-Do 16247, South Korea
| | - Yang Kyung Cho
- Department of Ophthalmology, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, 93 Ji-Dong, Paldal-Gu, Suwon, Gyeonggi-Do 16247, South Korea
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Kwon JW, Chung YW, Choi JA, La TY, Jee DH, Cho YK. Comparison of postoperative corneal changes between dry eye and non-dry eye in a murine cataract surgery model. Int J Ophthalmol 2016; 9:218-24. [PMID: 26949638 DOI: 10.18240/ijo.2016.02.06] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Accepted: 07/10/2015] [Indexed: 01/17/2023] Open
Abstract
AIM To compare the effects of the surgical insult of cataract surgery on corneal inflammatory infiltration, neovascularization (NV) and lymphangiogenesis (LY) between the dry eye and non-dry eye in murine cataract surgery models. METHODS We established two groups of animals, one with normal eyes (non-dry eye) and the second with induced dry eyes. In both groups, we used surgical insults to mimic human cataract surgery, which consisted of lens extraction, corneal incision and suture. After harvesting of corneas on the 9(th) postoperative day and immunohistochemical staining, we compared NV, LY and CD11b+ cell infiltration in the corneas. RESULTS Dry eye group had significantly more inflammatory infiltration (21.75%±7.17% vs 3.65%±1.49%; P=0.049). The dry eye group showed significantly more NV (48.21%±4.02% vs 26.24%±6.01%; P=0.016) and greater levels of LY (9.27%±0.48% vs 4.84%±1.15%; P=0.007). In corneas on which no surgery was performed, there was no induction of NV in both the dry and non-dry group, but dry eye group demonstrated more CD11b+ cells infiltration than the non-dry eye group (0.360%±0.160% vs 0.023%±0.006%; P=0.068). Dry eye group showed more NV than non-dry eye group in both topical PBS application and subconjunctival PBS injection (P=0.020 and 0.000, respectively). CONCLUSION In a murine cataract surgery model, preexisting dry eye can induce more postoperative NV, LY, and inflammation in corneal tissue.
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Affiliation(s)
- Jin Woo Kwon
- Department of Ophthalmology, St.Vincent's Hospital, College of Medicine, The Catholic University of Korea, Suwon 442723, Gyeonggi-Do, Korea
| | - Yeon Woong Chung
- Department of Ophthalmology, St.Vincent's Hospital, College of Medicine, The Catholic University of Korea, Suwon 442723, Gyeonggi-Do, Korea
| | - Jin A Choi
- Department of Ophthalmology, St.Vincent's Hospital, College of Medicine, The Catholic University of Korea, Suwon 442723, Gyeonggi-Do, Korea
| | - Tae Yoon La
- Department of Ophthalmology, St.Vincent's Hospital, College of Medicine, The Catholic University of Korea, Suwon 442723, Gyeonggi-Do, Korea
| | - Dong Hyun Jee
- Department of Ophthalmology, St.Vincent's Hospital, College of Medicine, The Catholic University of Korea, Suwon 442723, Gyeonggi-Do, Korea
| | - Yang Kyung Cho
- Department of Ophthalmology, St.Vincent's Hospital, College of Medicine, The Catholic University of Korea, Suwon 442723, Gyeonggi-Do, Korea
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Yang JF, Walia A, Huang YH, Han KY, Rosenblatt MI, Azar DT, Chang JH. Understanding lymphangiogenesis in knockout models, the cornea, and ocular diseases for the development of therapeutic interventions. Surv Ophthalmol 2015; 61:272-96. [PMID: 26706194 DOI: 10.1016/j.survophthal.2015.12.004] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2015] [Revised: 12/08/2015] [Accepted: 12/09/2015] [Indexed: 01/05/2023]
Abstract
A major focus of cancer research for several decades has been understand the ability of tumors to induce new blood vessel formation, a process known as angiogenesis. Unfortunately, only limited success has been achieved in the clinical application of angiogenesis inhibitors. We now know that lymphangiogenesis, the growth of lymphatic vessels, likely also plays a major role in tumor progression. Thus, therapeutic strategies targeting lymphangiogenesis or both lymphangiogenesis and angiogenesis may represent promising approaches for treating cancer and other diseases. Importantly, research progress toward understanding lymphangiogenesis is significantly behind that related to angiogenesis. A PubMed search of "angiogenesis" returns nearly 80,000 articles, whereas a search of "lymphangiogenesis" returns 2,635 articles. This stark contrast can be explained by the lack of molecular markers for identifying the invisible lymphatic vasculature that persisted until less than 2 decades ago, combined with the intensity of research interest in angiogenesis during the past half century. Still, significant strides have been made in developing strategies to modulate lymphangiogenesis, largely using ocular disease models. Here we review the current knowledge of lymphangiogenesis in the context of knockout models, ocular diseases, the biology of activators and inhibitors, and the potential for therapeutic interventions targeting this process.
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Affiliation(s)
- Jessica F Yang
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Amit Walia
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Yu-hui Huang
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Kyu-yeon Han
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Mark I Rosenblatt
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Dimitri T Azar
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Jin-Hong Chang
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, University of Illinois at Chicago, Chicago, Illinois, USA.
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