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Dias PB, Messias-Reason I, Hokazono K, Nisihara R. The role of mannose-binding lectin (MBL) in diabetic retinopathy: A scoping review. Immunol Lett 2024; 267:106863. [PMID: 38705482 DOI: 10.1016/j.imlet.2024.106863] [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: 03/18/2024] [Revised: 04/24/2024] [Accepted: 04/30/2024] [Indexed: 05/07/2024]
Abstract
Diabetes mellitus (DM) is a chronic systemic disease characterized by a multifactorial nature, which may lead to several macro and microvascular complications. Diabetic retinopathy (DR) is one of the most severe microvascular complications of DM, which can result in permanent blindness. The mechanisms involved in the pathogenesis of DR are multiple and still poorly understood. Factors such as dysregulation of vascular regeneration, oxidative and hyperosmolar stress in addition to inflammatory processes have been associated with the pathogenesis of DR. Furthermore, compelling evidence shows that components of the immune system, including the complement system, play a relevant role in the development of the disease. Studies suggest that high concentrations of mannose-binding lectin (MBL), an essential component of the complement lectin pathway, may contribute to the development of DR in patients with DM. This review provides an update on the possible role of the complement system, specifically the lectin pathway, in the pathogenesis of DR and discusses the potential of MBL as a non-invasive biomarker for both, the presence and severity of DR, in addition to its potential as a therapeutic target for intervention strategies.
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Affiliation(s)
- Paula Basso Dias
- Clinical Hospital, Federal University of Paraná, Curitiba, Brazil; Department of Ophthalmology, Clinical Hospital, Federal University of Paraná, Curitiba, Brazil
| | | | - Kenzo Hokazono
- Department of Ophthalmology, Clinical Hospital, Federal University of Paraná, Curitiba, Brazil
| | - Renato Nisihara
- Clinical Hospital, Federal University of Paraná, Curitiba, Brazil; Department of Medicine, Positivo University, Curitiba, Brazil.
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Violetta L, Kartasasmita AS, Supriyadi R, Rita C. Circulating Biomarkers to Predict Diabetic Retinopathy in Patients with Diabetic Kidney Disease. Vision (Basel) 2023; 7:vision7020034. [PMID: 37092467 PMCID: PMC10123608 DOI: 10.3390/vision7020034] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 02/05/2023] [Accepted: 03/30/2023] [Indexed: 04/25/2023] Open
Abstract
The purpose of this review is to outline the currently available circulating biomarkers to predict diabetic retinopathy (DR) in patients with diabetic kidney disease (DKD). Studies have extensively reported the association between DR and DKD, suggesting the presence of common pathways of microangiopathy. The presence of other ocular complications including diabetic cataracts may hinder the detection of retinopathy, which may affect the visual outcome after surgery. Unlike DKD screening, the detection of DR requires complex, costly machines and trained technicians. Recognizing potential biological markers related to glycation and oxidative stress, inflammation and endothelial dysfunction, basement membrane thickening, angiogenesis, and thrombosis as well as novel molecular markers involved in the microangiopathy process may be useful as predictors of retinopathy and identify those at risk of DR progression, especially in cases where retinal visualization becomes a clinical challenge. Further investigations could assist in deciding which biomarkers possess the highest predictive power to predict retinopathy in clinical settings.
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Affiliation(s)
- Laurencia Violetta
- Nephrology Division, Department of Internal Medicine, Gatot Soebroto Indonesia Army Central Hospital, Jakarta 10410, Indonesia
| | | | - Rudi Supriyadi
- Faculty of Medicine, Universitas Padjajaran, Bandung 40132, Indonesia
| | - Coriejati Rita
- Faculty of Medicine, Universitas Padjajaran, Bandung 40132, Indonesia
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Shathili AM, Brown HM, Everest-Dass AV, Tan TCY, Parker LM, Thompson JG, Packer NH. The effect of streptozotocin-induced hyperglycemia on N-and O-linked protein glycosylation in mouse ovary. Glycobiology 2019; 28:832-840. [PMID: 30169672 DOI: 10.1093/glycob/cwy075] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Accepted: 08/28/2018] [Indexed: 12/13/2022] Open
Abstract
Post-translational modification of proteins namely glycosylation influences cellular behavior, structural properties and interactions including during ovarian follicle development and atresia. However, little is known about protein glycosylation changes occurring in diabetes mellitus in ovarian tissues despite the well-known influence of diabetes on the outcome of successful embryo implantation. In our study, the use of PGC chromatography-ESI mass spectrometry in negative ion mode enabled the identification of 138 N-glycans and 6 O-glycans on the proteins of Streptozotocin-induced (STZ) diabetic mouse ovarian tissues (n = 3). Diabetic mouse ovaries exhibited a relative decrease in sialylation, fucosylation and, to a lesser extent, branched N-linked glycan structures, as well as an increase in oligomannose structures on their proteins, compared with nondiabetic mouse ovaries. Changes in N-glycans occurred in the diabetic liver tissue but were more evident in diabetic ovarian tissue of the same mouse, suggesting an organ-specific effect of diabetes mellitus on protein glycosylation. Although at a very low amount, O-GalNAc glycans of mice ovaries were present as core type 1 and core type 2 glycans; with a relative increase in the NeuGc:NeuAc ratio as the most significant difference between control and diabetic ovarian tissues. STZ-treated mice also showed a trend towards an increase in TNF-α and IL1-B inflammatory cytokines, which have previously been shown to influence protein glycosylation.
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Affiliation(s)
- Abdulrahman M Shathili
- Department of Molecular Sciences, Macquarie University, North Ryde, Sydney, NSW, Australia.,ARC Centre of Nanoscale Biophotonics, Macquarie University, North Ryde, Sydney, NSW, Australia
| | - Hannah M Brown
- Adelaide Medical School, University of Adelaide, Adelaide, SA, Australia.,ARC Centre of Nanoscale Biophotonics, University of Adelaide, Adelaide, SA, Australia
| | - Arun V Everest-Dass
- Department of Molecular Sciences, Macquarie University, North Ryde, Sydney, NSW, Australia.,ARC Centre of Nanoscale Biophotonics, Macquarie University, North Ryde, Sydney, NSW, Australia.,Institute for Glycomics, Griffith University, Southport, Queensland, Australia
| | - Tiffany C Y Tan
- Adelaide Medical School, University of Adelaide, Adelaide, SA, Australia.,ARC Centre of Nanoscale Biophotonics, University of Adelaide, Adelaide, SA, Australia
| | - Lindsay M Parker
- Department of Molecular Sciences, Macquarie University, North Ryde, Sydney, NSW, Australia.,ARC Centre of Nanoscale Biophotonics, Macquarie University, North Ryde, Sydney, NSW, Australia
| | - Jeremy G Thompson
- Adelaide Medical School, University of Adelaide, Adelaide, SA, Australia.,ARC Centre of Nanoscale Biophotonics, University of Adelaide, Adelaide, SA, Australia
| | - Nicolle H Packer
- Department of Molecular Sciences, Macquarie University, North Ryde, Sydney, NSW, Australia.,ARC Centre of Nanoscale Biophotonics, Macquarie University, North Ryde, Sydney, NSW, Australia.,Institute for Glycomics, Griffith University, Southport, Queensland, Australia
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Hokazono K, Belizário FS, Portugal V, Messias-Reason I, Nisihara R. Mannose Binding Lectin and Pentraxin 3 in Patients with Diabetic Retinopathy. Arch Med Res 2018; 49:123-129. [PMID: 29961608 DOI: 10.1016/j.arcmed.2018.06.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Accepted: 06/22/2018] [Indexed: 10/28/2022]
Abstract
BACKGROUND Mannose binding lectin (MBL) is a protein of the complement system and pentraxin-3 (PTX3) is an acute phase protein both with an important role in inflammatory diseases, such as diabetic retinopathy (DR). AIM OF THE STUDY To evaluate whether plasma MBL and PTX3 levels are associated with the development of DR and if patients with and without DR can be distinguished. METHODS The patients were divided into three groups: diabetic without DR; with mild/moderate DR, and with severe/proliferative DR. PTX3 and MBL levels were measured with enzyme-linked immunosorbent assay kits. RESULTS A total of 74 patients were included. A significant association was observed between high levels of MBL and severe DR; 47% of patients with severe/proliferative DR had high levels of MBL, whereas 12% of the patients with diabetes but no DR had high levels of MBL (p = 0.008; odds ratio [OR]: 6.06; 95% confidence interval [CI]: 1.4-25.0). High levels of MBL were more frequent in patients with severe/proliferative disease (47%) when compared to those with mild/moderate DR (20%), p = 0.04 (OR: 3.46; 95% CI: 1.0-11.8). PTX3 levels were similar among the groups and were not related to the development or severity of DR. CONCLUSION We found a significant association between high plasma MBL levels and DR development as well as with severe/proliferative DR. We observed no relationship between plasma PTX3 levels and the development or severity of DR.
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Affiliation(s)
- Kenzo Hokazono
- Department of Ophthalmology, Federal University of Paraná, Paraná, Brazil
| | | | - Vanessa Portugal
- Department of Medicine, Positivo University, Curitiba, Paraná, Brazil
| | - Iara Messias-Reason
- Laboratory of Molecular Immunopathology, Hospital de Clínicas, Federal University of Paraná, Curitiba, Paraná, Brazil
| | - Renato Nisihara
- Department of Medicine, Positivo University, Curitiba, Paraná, Brazil; Laboratory of Molecular Immunopathology, Hospital de Clínicas, Federal University of Paraná, Curitiba, Paraná, Brazil.
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Alsalahy MM, Almehy GF, Hendy RM, Mohammad RS, Mohammad YM. Mannose binding lectin in patients with pulmonary tuberculosis: Active and inactive. EGYPTIAN JOURNAL OF CHEST DISEASES AND TUBERCULOSIS 2017. [DOI: 10.1016/j.ejcdt.2016.12.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Abstract
Diabetic retinopathy (DR), a leading cause of acquired vision loss, is a microvascular complication of diabetes. While traditional risk factors for diabetic retinopathy including longer duration of diabetes, poor blood glucose control, and dyslipidemia are helpful in stratifying patient's risk for developing retinopathy, many patients without these traditional risk factors develop DR; furthermore, there are persons with long diabetes duration who do not develop DR. Thus, identifying biomarkers to predict DR or to determine therapeutic response is important. A biomarker can be defined as a characteristic that is objectively measured and evaluated as an indicator of normal biological processes, pathogenic processes, or pharmacologic responses to a therapeutic intervention. Incorporation of biomarkers into risk stratification of persons with diabetes would likely aid in early diagnosis and guide treatment methods for those with DR or with worsening DR. Systemic biomarkers of DR include serum measures including genomic, proteomic, and metabolomics biomarkers. Ocular biomarkers including tears and vitreous and retinal vascular structural changes have also been studied extensively to prognosticate the risk of DR development. The current studies on biomarkers are limited by the need for larger sample sizes, cross-validation in different populations and ethnic groups, and time-efficient and cost-effective analytical techniques. Future research is important to explore novel DR biomarkers that are non-invasive, rapid, economical, and accurate to help reduce the incidence and progression of DR in people with diabetes.
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Affiliation(s)
- Daniel Shu Wei Ting
- Singapore National Eye Center, 11 Third Hospital Avenue, Singapore, 168751, Singapore
- Singapore Eye Research Institute, Singapore, Singapore
- Duke-NUS Medical School, National University of Singapore, Singapore, Singapore
| | - Kara-Anne Tan
- Singapore National Eye Center, 11 Third Hospital Avenue, Singapore, 168751, Singapore
| | - Val Phua
- Singapore National Eye Center, 11 Third Hospital Avenue, Singapore, 168751, Singapore
| | - Gavin Siew Wei Tan
- Singapore National Eye Center, 11 Third Hospital Avenue, Singapore, 168751, Singapore
- Singapore Eye Research Institute, Singapore, Singapore
- Duke-NUS Medical School, National University of Singapore, Singapore, Singapore
| | - Chee Wai Wong
- Singapore National Eye Center, 11 Third Hospital Avenue, Singapore, 168751, Singapore
- Singapore Eye Research Institute, Singapore, Singapore
- Duke-NUS Medical School, National University of Singapore, Singapore, Singapore
| | - Tien Yin Wong
- Singapore National Eye Center, 11 Third Hospital Avenue, Singapore, 168751, Singapore.
- Singapore Eye Research Institute, Singapore, Singapore.
- Duke-NUS Medical School, National University of Singapore, Singapore, Singapore.
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