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Li BY, Tan W, Zou JL, He Y, Yoshida S, Jiang B, Zhou YD. Role of interferons in diabetic retinopathy. World J Diabetes 2021; 12:939-953. [PMID: 34326947 PMCID: PMC8311473 DOI: 10.4239/wjd.v12.i7.939] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 04/15/2021] [Accepted: 05/25/2021] [Indexed: 02/06/2023] Open
Abstract
Diabetic retinopathy (DR) is one of the major causes of visual impairment and irreversible blindness in developed regions. Aside from abnormal angiogenesis, inflammation is the most specific and might be the initiating factor of DR. As a key participant in inflammation, interferon-gamma (IFN-γ) can be detected in different parts of the eye and is responsible for the breakdown of the blood-retina barrier and activation of inflammatory cells and other cytokines, which accelerate neovascularization and neuroglial degeneration. In addition, IFN-γ is involved in other vascular complications of diabetes mellitus and angiogenesis-dependent diseases, such as diabetic nephropathy, cerebral microbleeds, and age-related macular degeneration. Traditional treatments, such as anti-vascular endothelial growth factor agents, vitrectomy, and laser photocoagulation therapy, are more effective for angiogenesis and not tolerable for every patient. Many ongoing clinical trials are exploring effective drugs that target inflammation. For instance, IFN-α acts against viruses and angiogenesis and is commonly used to treat malignant tumors. Moreover, IFN-α has been shown to contribute to alleviating the progression of DR and other ocular diseases. In this review, we emphasize the roles that IFNs play in the pathogenesis of DR and discuss potential clinical applications of IFNs in DR, such as diagnosis, prognosis, and therapeutic treatment.
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Affiliation(s)
- Bing-Yan Li
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha 410011, Hunan Province, China
- Hunan Clinical Research Center of Ophthalmic Disease, The Second Xiangya Hospital, Central South University, Changsha 410011, Hunan Province, China
| | - Wei Tan
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha 410011, Hunan Province, China
- Hunan Clinical Research Center of Ophthalmic Disease, The Second Xiangya Hospital, Central South University, Changsha 410011, Hunan Province, China
| | - Jing-Ling Zou
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha 410011, Hunan Province, China
- Hunan Clinical Research Center of Ophthalmic Disease, The Second Xiangya Hospital, Central South University, Changsha 410011, Hunan Province, China
| | - Yan He
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha 410011, Hunan Province, China
- Hunan Clinical Research Center of Ophthalmic Disease, The Second Xiangya Hospital, Central South University, Changsha 410011, Hunan Province, China
| | - Shigeo Yoshida
- Department of Ophthalmology, Kurume University School of Medicine, Kurume 830-0011, Fukuoka, Japan
| | - Bing Jiang
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha 410011, Hunan Province, China
- Hunan Clinical Research Center of Ophthalmic Disease, The Second Xiangya Hospital, Central South University, Changsha 410011, Hunan Province, China
| | - Ye-Di Zhou
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha 410011, Hunan Province, China
- Hunan Clinical Research Center of Ophthalmic Disease, The Second Xiangya Hospital, Central South University, Changsha 410011, Hunan Province, China
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Ayo CM, Camargo AVDS, Frederico FB, Siqueira RC, Previato M, Murata FHA, Silveira-Carvalho AP, Barbosa AP, Brandão de Mattos CDC, de Mattos LC. MHC Class I Chain-Related Gene A Polymorphisms and Linkage Disequilibrium with HLA-B and HLA-C Alleles in Ocular Toxoplasmosis. PLoS One 2015; 10:e0144534. [PMID: 26672749 PMCID: PMC4682939 DOI: 10.1371/journal.pone.0144534] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Accepted: 11/19/2015] [Indexed: 12/05/2022] Open
Abstract
This study investigated whether polymorphisms of the MICA (major histocompatibility complex class I chain-related gene A) gene are associated with eye lesions due to Toxoplasma gondii infection in a group of immunocompetent patients from southeastern Brazil. The study enrolled 297 patients with serological diagnosis of toxoplasmosis. Participants were classified into two distinct groups after conducting fundoscopic exams according to the presence (n = 148) or absence (n = 149) of ocular scars/lesions due to toxoplasmosis. The group of patients with scars/lesions was further subdivided into two groups according to the type of the ocular manifestation observed: primary (n = 120) or recurrent (n = 28). Genotyping of the MICA and HLA alleles was performed by the polymerase chain reaction-sequence specific oligonucleotide technique (PCR-SSO; One Lambda®) and the MICA-129 polymorphism (rs1051792) was identified by nested polymerase chain reaction (PCR-RFLP). Significant associations involving MICA polymorphisms were not found. Although the MICA*002~HLA-B*35 haplotype was associated with increased risk of developing ocular toxoplasmosis (P-value = 0.04; OR = 2.20; 95% CI = 1.05–4.60), and the MICA*008~HLA-C*07 haplotype was associated with protection against the development of manifestations of ocular toxoplasmosis (P-value = 0.009; OR: 0.44; 95% CI: 0.22–0.76), these associations were not statistically significant after adjusting for multiple comparisons. MICA polymorphisms do not appear to influence the development of ocular lesions in patients diagnosed with toxoplasmosis in this study population.
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Affiliation(s)
- Christiane Maria Ayo
- Immunogenetics Laboratory, Molecular Biology Department, Faculdade de Medicina de São José do Rio Preto de São José do Rio Preto, SP, Brazil
- FAMERP Toxoplasma Research Group, Fundação Faculdade Regional de Medicina de São José do Rio Preto, São José do Rio Preto, SP, Brazil
| | - Ana Vitória da Silveira Camargo
- Immunogenetics Laboratory, Molecular Biology Department, Faculdade de Medicina de São José do Rio Preto de São José do Rio Preto, SP, Brazil
- FAMERP Toxoplasma Research Group, Fundação Faculdade Regional de Medicina de São José do Rio Preto, São José do Rio Preto, SP, Brazil
| | - Fábio Batista Frederico
- Ophthalmology Outpatient Clinic, Hospital de Base de São José do Rio Preto, Fundação Faculdade Regional de Medicina de São José do Rio Preto, SP, Brazil
- FAMERP Toxoplasma Research Group, Fundação Faculdade Regional de Medicina de São José do Rio Preto, São José do Rio Preto, SP, Brazil
| | - Rubens Camargo Siqueira
- Immunogenetics Laboratory, Molecular Biology Department, Faculdade de Medicina de São José do Rio Preto de São José do Rio Preto, SP, Brazil
| | - Mariana Previato
- Immunogenetics Laboratory, Molecular Biology Department, Faculdade de Medicina de São José do Rio Preto de São José do Rio Preto, SP, Brazil
- FAMERP Toxoplasma Research Group, Fundação Faculdade Regional de Medicina de São José do Rio Preto, São José do Rio Preto, SP, Brazil
| | - Fernando Henrique Antunes Murata
- Immunogenetics Laboratory, Molecular Biology Department, Faculdade de Medicina de São José do Rio Preto de São José do Rio Preto, SP, Brazil
- FAMERP Toxoplasma Research Group, Fundação Faculdade Regional de Medicina de São José do Rio Preto, São José do Rio Preto, SP, Brazil
| | | | - Amanda Pires Barbosa
- Ophthalmology Outpatient Clinic, Hospital de Base de São José do Rio Preto, Fundação Faculdade Regional de Medicina de São José do Rio Preto, SP, Brazil
- FAMERP Toxoplasma Research Group, Fundação Faculdade Regional de Medicina de São José do Rio Preto, São José do Rio Preto, SP, Brazil
| | - Cinara de Cássia Brandão de Mattos
- Immunogenetics Laboratory, Molecular Biology Department, Faculdade de Medicina de São José do Rio Preto de São José do Rio Preto, SP, Brazil
- FAMERP Toxoplasma Research Group, Fundação Faculdade Regional de Medicina de São José do Rio Preto, São José do Rio Preto, SP, Brazil
| | - Luiz Carlos de Mattos
- Immunogenetics Laboratory, Molecular Biology Department, Faculdade de Medicina de São José do Rio Preto de São José do Rio Preto, SP, Brazil
- FAMERP Toxoplasma Research Group, Fundação Faculdade Regional de Medicina de São José do Rio Preto, São José do Rio Preto, SP, Brazil
- * E-mail: or (LCM)
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Chen S, Ying M, Lin X, Zheng X, Liu C, Liu H. Expression of MICA in oral squamous carcinoma cells and its effect on NK cells. Int J Clin Exp Med 2015; 8:18208-18212. [PMID: 26770422 PMCID: PMC4694322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2015] [Accepted: 10/10/2015] [Indexed: 06/05/2023]
Abstract
OBJECTIVE This study aims to observe the expression of MHC-class I chain related protein A (MICA) in oral squamous carcinoma cell and explore its effects on NK cells. METHODS Normal oral mucosa epithelial cell line NOK and oral squamous carcinoma cell lines OEC-M1, SAS and SCC-25 were used in this study. MICA expression in the cells was detected by western blotting and RT-PCR methods, sMICA was detected by ELISA method. The cells were transfected by pEGFP-MICA and pEGFP-NC respectively using Lipofectamine 2000 kit. The transfected cells were co-cultured with NK92 cells. Killing activity of NK92 cells was detected by LDH release method and NKG2D was detected by Flow cytometry. ADAM10 and ADAM17 were detected by ELISA method. RESULTS MICA expression in OEC-M1, SAS and SCC-25 cells were lower than that of NOK cells (P<0.01), sMICA levels in OEC-M1, SAS and SCC-25 cells were higher than that of NOK cells (P<0.01). Over-expression of MICA in SCC-25 cells could significantly increase the killing activity of NK92 cells (P<0.01), up-regulate NKG2D (P<0.01) and decrease ADAM10 and ADAM17 contents (P<0.01). CONCLUSIONS MICA expressed lowly in oral squamous cell carcinoma cells, over-expression of MICA could significantly increase the killing activity of NK92 cells, which could be related with the regulation of ADAM.
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Affiliation(s)
- Shunjin Chen
- Department of Head and Neck Surgery, The Tumor Hospital of Fujian Province Fuzhou 350009, Fujian, China
| | - Mingang Ying
- Department of Head and Neck Surgery, The Tumor Hospital of Fujian Province Fuzhou 350009, Fujian, China
| | - Xiuan Lin
- Department of Head and Neck Surgery, The Tumor Hospital of Fujian Province Fuzhou 350009, Fujian, China
| | - Xiong Zheng
- Department of Head and Neck Surgery, The Tumor Hospital of Fujian Province Fuzhou 350009, Fujian, China
| | - Chang Liu
- Department of Head and Neck Surgery, The Tumor Hospital of Fujian Province Fuzhou 350009, Fujian, China
| | - Hui Liu
- Department of Head and Neck Surgery, The Tumor Hospital of Fujian Province Fuzhou 350009, Fujian, China
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Coursey TG, Bohat R, Barbosa FL, Pflugfelder SC, de Paiva CS. Desiccating stress-induced chemokine expression in the epithelium is dependent on upregulation of NKG2D/RAE-1 and release of IFN-γ in experimental dry eye. THE JOURNAL OF IMMUNOLOGY 2014; 193:5264-72. [PMID: 25288568 DOI: 10.4049/jimmunol.1400016] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The Th1-associated chemokines CXCL9, CXCL10, and CXCL11 coordinate migration of CXCR3(+) Th1 cells. The objective of this study was to evaluate the role of the innate immune system in stimulating chemokine expression in an experimental model of dry eye and bridge the gap between innate and adaptive immunity. Desiccating stress (DS) induced very early (6 h) expression and production of Th1-associated chemokines in cornea and conjunctiva of C57BL/6 and RAG1 knockout (KO) mice, demonstrating that chemokine expression does not require innate T cells. We then demonstrated that activating the innate immune system prior to adoptive transfer of T cells to RAG1KO mice increased disease severity. Interestingly, lack of induction of chemokines CXCL9, CXCL10, and CXCL11 in IFN-γKO mice provided evidence that their expression requires IFN-γ for induction. Treatment of RAG1KO mice with anti-NK1.1 prevented the increase of CXCL9, CXCL10, and CXCL11 in response to DS, compared with isotype controls. Additionally, DS increased the expression of NKG2D in the conjunctiva. The expression of the NKG2D ligand, retinoic acid early inducible gene 1, also increased at the ocular surface at both the protein and gene levels. Neutralization of NKG2D at the ocular surface decreased the expression of CXCL9, CXCL10, CXCL11, and IFN-γ. In summary, upregulation of CXCL9, CXCL10, and CXCL11 expression in experimental dry eye is T cell-independent, requiring IFN-γ-producing NKG2D(+) NK cells that are activated in response to DS-induced stress signals. This study provides insight into the events that trigger the initial immune response in dry eye pathology.
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Affiliation(s)
- Terry G Coursey
- Ocular Surface Center, Department of Ophthalmology, Cullen Eye Institute, Baylor College of Medicine, Houston, TX 77030
| | - Ritu Bohat
- Ocular Surface Center, Department of Ophthalmology, Cullen Eye Institute, Baylor College of Medicine, Houston, TX 77030
| | - Flavia L Barbosa
- Ocular Surface Center, Department of Ophthalmology, Cullen Eye Institute, Baylor College of Medicine, Houston, TX 77030
| | - Stephen C Pflugfelder
- Ocular Surface Center, Department of Ophthalmology, Cullen Eye Institute, Baylor College of Medicine, Houston, TX 77030
| | - Cintia S de Paiva
- Ocular Surface Center, Department of Ophthalmology, Cullen Eye Institute, Baylor College of Medicine, Houston, TX 77030
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