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Ismail A, El-Mahdy HA, Eldeib MG, Doghish AS. miRNAs as cornerstones in diabetic microvascular complications. Mol Genet Metab 2023; 138:106978. [PMID: 36565688 DOI: 10.1016/j.ymgme.2022.106978] [Citation(s) in RCA: 56] [Impact Index Per Article: 56.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 12/13/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022]
Abstract
Diabetes mellitus is usually accompanied by nephropathy, retinopathy, and neuropathy as microvascular complications. MicroRNAs (miRNAs) can affect the kidney, retina, and peripheral neurons through their implication in pathways involved in angiogenesis, inflammation, apoptosis, as well as fibrosis within these tissues and hence, play a crucial role in the pathogenesis of microvascular complications. In this review, the updated knowledge of the role of miRNAs in the pathogenesis of diabetic microvascular complications was summarized. PubMed Central was searched extensively to retrieve data from a wide range of reputable biomedical reports/articles published after the year 2000 to systematically collect and present a review of the key molecular pathways mediating the hyperglycemia-induced adverse effects on vascular tissues, particularly in persons with T2DM. In the present review, miR-126, miR-29b, and miR-125a are implicated in diabetes-induced microvascular complications, while miR-146a is found to be connected to all these complications. Also, vascular endothelial growth factors are noted to be the most impacted targets by miRNAs in all diabetic microvascular problems.
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Affiliation(s)
- Ahmed Ismail
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City, 11231, Cairo, Egypt
| | - Hesham A El-Mahdy
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City, 11231, Cairo, Egypt.
| | - Mahmoud Gomaa Eldeib
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City, 11231, Cairo, Egypt; Department of Biochemistry, Faculty of Pharmacy, Sinai University - Kantara Branch, 41636 Ismailia, Egypt
| | - Ahmed S Doghish
- Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt.
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2
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Li C, Zhao Z, Zhao S. Annexin A2 promotes development of retinal neovascularization through PI3K/ AKT signaling pathway. Curr Eye Res 2021; 47:579-589. [PMID: 34894941 DOI: 10.1080/02713683.2021.2018467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
PURPOSE Retinal Neovascularization (RNV) is a pathological characteristic of ocular diseases. Annexin A2 (ANXA2) plays important roles in RNV while the mechanism remains unclear. The study aimed to explore relationship between ANXA2 and PI3K/AKT signaling pathway in RNV. METHODS We used human retinal vascular endothelial cells (HRECs) and oxygen-induced retinopathy (OIR) mice model to show ANXA2 can promote the development of RNV through PI3K/AKT signaling pathway. We divided HRECs into six groups by infecting lentivirus containing appropriate plasmid and adding corresponding solution. Assays showing ability of HRECs were performed in vitro. Mice were randomly divided into three groups and treated accordingly. RESULTS Expression of ANXA2 and activity of PI3K/AKT signaling pathway in HRECs were detected. RNV and expression of ANXA2 in mice retinas were detected. Results showed that ANXA2 expression is positively related with RNV-forming ability of HRECs in vitro and development of RNV in vivo while low activity of PI3K/AKT signaling pathway could attenuate the role of ANXA2. CONCLUSIONS We can make ANXA2 and PI3K/ AKT signaling pathway as a promising target for the regulation of pathological neovascularization of the retina, which also provides a novel idea for effective prevention and treatment of diseases related to RNV in future.
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Affiliation(s)
- Chenyue Li
- Department of Ophthalmology, the First Affiliated Hospital, Naval Military Medical University (Second Military Medical University), Shanghai, China
| | - Zichang Zhao
- Department of Ophthalmology, the First Affiliated Hospital, Naval Military Medical University (Second Military Medical University), Shanghai, China
| | - Shihong Zhao
- Department of Ophthalmology, the First Affiliated Hospital, Naval Military Medical University (Second Military Medical University), Shanghai, China.,Nanjing Aier Eye Hospital, Aier School of Ophthalmology, Central South University, Changsha, Hunan Province, China
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3
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Zhang L, Wang Z, Li M, Sun P, Bai T, Wang W, Bai H, Gou J, Wang Z. HCG18 Participates in Vascular Invasion of Hepatocellular Carcinoma by Regulating Macrophages and Tumor Stem Cells. Front Cell Dev Biol 2021; 9:707073. [PMID: 34527669 PMCID: PMC8435853 DOI: 10.3389/fcell.2021.707073] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Accepted: 08/03/2021] [Indexed: 12/12/2022] Open
Abstract
Objectives To identify key genes involved in vascular invasion in hepatocellular carcinoma (HCC), to describe their regulatory mechanisms, and to explore the immune microenvironment of HCC. Methodology In this study, the genome, transcriptome, and immune microenvironment of HCC were assessed by using multi-platform data from The Cancer Genome Atlas (n = 373) and GEO data (GSE149614). The key regulatory networks, transcription factors and core genes related to vascular invasion and prognosis were explored based on the CE mechanism. Survival analysis and gene set enrichment were used to explore pathways related to vascular invasion. Combined with single-cell transcriptome data, the distribution of core gene expression in various cells was observed. Cellular communication analysis was used to identify key cells associated with vascular invasion. Pseudo-temporal locus analysis was used to explore the regulation of core genes in key cell phenotypes. The influence of core genes on current immune checkpoint therapy was evaluated and correlations with tumor stem cell scores were explored. Results We obtained a network containing 1,249 pairs of CE regulatory relationships, including 579 differential proteins, 28 non-coding RNAs, and 37 miRNAs. Three key transcription factors, ILF2, YBX1, and HMGA1, were identified, all regulated by HCG18 lncRNA. ScRNAseq showed that HCG18 co-localized with macrophages and stem cells. CIBERSORTx assessed 22 types of immune cells in HCC and found that HCG18 was positively correlated with M0 macrophages, while being negatively correlated with M1 and M2 macrophages, monocytes, and dendritic cells. Cluster analysis based on patient prognosis suggested that regulating phenotypic transformation of macrophages could be an effective intervention for treating HCC. At the same time, higher expression of HCG18, HMGA1, ILF2, and YBX1 was associated with a higher stem cell score and less tumor differentiation. Pan cancer analysis indicated that high expression of HCG18 implies high sensitivity to immune checkpoint therapy. Conclusion HCG18 participates in vascular invasion of HCC by regulating macrophages and tumor stem cells through three key transcription factors, YBX1, ILF2, and HMGA1.
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Affiliation(s)
- Liwei Zhang
- Department of Vascular and Endovascular Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Key Vascular Physiology and Applied Research Laboratory of Zhengzhou City, Zhengzhou, China
| | - Zhiwei Wang
- Department of Vascular and Endovascular Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Mingxing Li
- Department of Vascular and Endovascular Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Peng Sun
- Department of Vascular and Endovascular Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Tao Bai
- Department of Vascular and Endovascular Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Wang Wang
- Key Vascular Physiology and Applied Research Laboratory of Zhengzhou City, Zhengzhou, China.,Department of Physiology, Medical School of Zhengzhou University, Zhengzhou, China
| | - Hualong Bai
- Department of Vascular and Endovascular Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Key Vascular Physiology and Applied Research Laboratory of Zhengzhou City, Zhengzhou, China
| | - Jianjun Gou
- Department of Clinical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Zhiju Wang
- Department of Physiology, Medical School of Zhengzhou University, Zhengzhou, China
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Abstract
The autosomal dominant familial form of neurohypophyseal diabetes insipidus (adFNDI) is a rare inherited endocrine disorder characterized by hypotonic polyuria, severe thirst and polydipsia, which results from a deficient neurosecretion of the antidiuretic hormone, also known as arginine vasopressin (AVP). To date, adFNDI has been linked to more than 70 different heterozygous point mutations of the 2.5 kb AVP gene, encoding the composite precursor protein of AVP. A minority of disease-causing mutations, such as the common c.55G>A variant, are predicted to affect amino acid residues close to the signal peptide (SP) cleavage site, and result in abnormal post-translational processing and intracellular trafficking of AVP precursors exerting neurotoxic activity on vasopressinergic magnocellular neurons. Generally, SP variants cause a gradual decline in the neurohypophyseal secretion of AVP in small children, although a wide variability in clinical onset and severity of manifestations has been reported. For the first time, we describe a kindred from Calabria (Southern Italy) with adFNDI and document a partial clinical phenotype in one female young adult member of the family. Methods: A young adult woman was subjected to clinical, neuroradiological and genetic assessments for a mild, adolescent-onset, polyuric state at our Endocrinology Unit. Her family medical history revealed an early-onset (<12 years of age) occurrence of polyuria and polydipsia, which was successfully managed with high doses of oral desmopressin, and a typical adFNDI inheritance pattern that was seen over three generations. Results: In the index patient, the extensive hypertonic dehydration during fluid deprivation test elicited a prompt elevation of urine osmolality and diuresis contraction, indicative of a partial adFNDI phenotype. Diagnosis was confirmed by concordant hormonal tests and magnetic resonance imaging (MRI) evidence of a reduced hyperintense signal of the neurohypophysis, which was regarded as compatible with the depletion of the vasopressinergic magnocellular neurons. Direct DNA sequencing and restriction enzyme cleavage analysis revealed that a heterozygous c.55G>A transition, predicting a p.Ala19Thr replacement in the C-terminal region of SP, was the cause of adFNDI in the investigated kindred. Conclusions: The identification of the genetic cause of aFNDI in this Calabrian kindred provides further information and confirms the wide variability of disease onset and severity of manifestations related to SP variants of the AVP gene, supporting the need for genetic testing in all patients with familial occurrence of polyuria, regardless of their clinical and radiological phenotype. Even though sexual differences in the antidiuretic responses are documented, it is unclear whether female gender would attenuate clinical disease progression in the presence of a pathogenic c.55G>A mutation.
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Debele GR, Kanfe SG, Weldesenbet AB, Ayana GM, Jifar WW, Raru TB. Incidence of Diabetic Retinopathy and Its Predictors Among Newly Diagnosed Type 1 and Type 2 Diabetic Patients: A Retrospective Follow-up Study at Tertiary Health-care Setting of Ethiopia. Diabetes Metab Syndr Obes 2021; 14:1305-1313. [PMID: 33790598 PMCID: PMC7997545 DOI: 10.2147/dmso.s300373] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Accepted: 03/09/2021] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND With an increasing number of diabetes patients in developing countries, the burden of diabetes-related blindness is undoubtedly posing a massive challenge to the sustainable health care system due to the cost of care. Despite this fact, to date, most of the epidemiological research on diabetic retinopathy (DR) in eastern Africa, including Ethiopia, has been limited to survey studies. Thus, we determined the incidence of retinopathy and its predictors among diabetic patients in Jimma University Medical Center, Southwest Ethiopia. METHODS A retrospective follow-up study was conducted on 402 randomly selected diabetic patients of aged ≥15 years. A preliminary reviewed checklist was used to obtain information on the demographics, clinical and physiological attributes. Data were entered using EpiData version 4.6 and analyzed using Stata version 14. All variables at P-values less than 0.2 in bivariable analysis were exported to multivariable analysis. Multivariable accelerated failure time (AFT) regression analyses using Weibull distribution were used to examine the predictors of DR at a 5% level of significance. RESULTS Throughout a median follow-up period of 5.9 years, the cumulative incidence of DR was 20.15% (95%CI: 16.50-24.37) and the incidence rate was 36.9 per 1000 person years (PY) (95%CI: 29.7-45.9). Multivariable Weibull AFT regression analyses showed that type two diabetes mellitus (T2DM) (adjusted time ratio (ATR) 0.4095%CI: 0.20-0.78), hypertension (HTN) (ATR 0.54; 95%CI: [0.35, 0.82]), low high density lipoprotein cholesterol (HDL-C) (ATR 0.51; 95%CI: 0.36-0.73), and borderline high total cholesterol (TC) (ATR 0.63; 95%CI: 0.42-0.94) were a predictor of time to DR. CONCLUSION The overall incidence of DR among patients with diabetes mellitus was estimated to be 20.15% and is becoming a public health burden in Ethiopia. Our results indicate that T2DM, HTN, low HDL-C and borderline high TC independently predicts an increased incidence/decreased survival time of retinopathy among diabetes patients. The low HDL-C, HTN, and high TC are modifiable risk factors that should be managed along with diabetes.
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Affiliation(s)
- Gebiso Roba Debele
- Department of Public Health, College of Health Sciences, Mettu University, Mettu, Ethiopia
- Correspondence: Gebiso Roba Debele Tel +251922042777 Email
| | - Shuma Gosha Kanfe
- Department of Health Informatics, College of Health Sciences, Mettu University, Mettu, Ethiopia
| | - Adisu Birhanu Weldesenbet
- Department of Epidemiology and Biostatistics, Collage of Health and Medical Sciences, Haramaya University, Haramaya, Ethiopia
| | - Galana Mamo Ayana
- Department of Epidemiology and Biostatistics, Collage of Health and Medical Sciences, Haramaya University, Haramaya, Ethiopia
| | - Wakuma Wakene Jifar
- Department of Pharmacy, College of Health Sciences, Mettu University, Mettu, Ethiopia
| | - Temam Beshir Raru
- Department of Epidemiology and Biostatistics, Collage of Health and Medical Sciences, Haramaya University, Haramaya, Ethiopia
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Hu L, Gong C, Chen X, Zhou H, Yan J, Hong W. Associations between Vascular Endothelial Growth Factor Gene Polymorphisms and Different Types of Diabetic Retinopathy Susceptibility: A Systematic Review and Meta-Analysis. J Diabetes Res 2021; 2021:7059139. [PMID: 33490285 PMCID: PMC7805525 DOI: 10.1155/2021/7059139] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 11/10/2020] [Accepted: 11/21/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Vascular endothelial growth factor (VEGF) gene polymorphisms have been shown to be associated with the risk of diabetic retinopathy (DR), but the results were inconsistent. The aim of this study was to systematically assess the associations between VEGF gene polymorphisms and different types of DR (nonproliferative DR and proliferative DR). METHODS Electronic databases PubMed, Embase, Web of Science, CNKI, and WANFANG DATA were searched for articles on the associations between VEGF gene polymorphisms and different types of DR up to November 6, 2019. Pooled odds ratios (ORs) and 95% confidence intervals (CIs) were calculated, and subgroup analyses were conducted by ethnicity. Sensitivity analysis was conducted to assess the stability of the results. Publication bias was assessed by using the Egger regression asymmetry test and visualization of funnel plots. A systematic review was conducted for polymorphisms with a high degree of heterogeneity (I 2 > 75%) or studied in only one study. RESULTS A total of 13 and 18 studies analyzed the associations between VEGF SNPs and nonproliferative DR (NPDR) as well as proliferative DR (PDR), respectively. There were significant associations between rs2010963 and NPDR in Asian (dominant model: OR = 1.29, 95%CI = 1.04 - 1.60); and rs2010963 is associated with PDR in total population (dominant model: OR = 1.20, 95%CI = 1.03 - 1.41), either Asian (recessive model: OR = 1.57, 95%CI = 1.04 - 2.35) or Caucasian (recessive model: OR = 1.83, 95%CI = 1.28 - 2.63). Rs833061 is associated with PDR in Asian (recessive model: OR = 1.58, 95%CI = 1.11 - 2.26). Rs699947 is associated with NPDR in the total population (dominant model: OR = 2.04, 95%CI = 1.30 - 3.21) and associated with PDR in Asian (dominant model: OR = 1.72, 95%CI = 1.05 - 2.84). CONCLUSIONS Rs2010963, rs833061, and rs699947 are associated with NPDR or PDR, which may be involved in the occurrence and development of DR.
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MESH Headings
- Adult
- Aged
- Aged, 80 and over
- Diabetes Mellitus, Type 1/complications
- Diabetes Mellitus, Type 1/epidemiology
- Diabetes Mellitus, Type 1/genetics
- Diabetes Mellitus, Type 2/complications
- Diabetes Mellitus, Type 2/epidemiology
- Diabetes Mellitus, Type 2/genetics
- Diabetic Retinopathy/classification
- Diabetic Retinopathy/epidemiology
- Diabetic Retinopathy/genetics
- Female
- Genetic Association Studies/statistics & numerical data
- Genetic Predisposition to Disease
- Humans
- Male
- Middle Aged
- Polymorphism, Single Nucleotide
- Vascular Endothelial Growth Factor A/genetics
- Vitreoretinopathy, Proliferative/epidemiology
- Vitreoretinopathy, Proliferative/genetics
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Affiliation(s)
- Liming Hu
- Shenzhen Center for Chronic Disease Control, 2021 Buxin Road, Luohu District Shenzhen 518020, China
- Department of Epidemiology and Health Statistics, XiangYa School of Public Health, Central South University, Changsha, China
- Hunan Provincial Key Laboratory of Clinical Epidemiology, XiangYa School of Public Health, Central South University, Changsha, China
| | - Chunmei Gong
- Shenzhen Center for Chronic Disease Control, 2021 Buxin Road, Luohu District Shenzhen 518020, China
| | - Xiaoping Chen
- Institute of Clinical Pharmacology, Central South University, Changsha, China
| | - Honghao Zhou
- Institute of Clinical Pharmacology, Central South University, Changsha, China
| | - Junxia Yan
- Department of Epidemiology and Health Statistics, XiangYa School of Public Health, Central South University, Changsha, China
- Hunan Provincial Key Laboratory of Clinical Epidemiology, XiangYa School of Public Health, Central South University, Changsha, China
| | - Wenxu Hong
- Shenzhen Center for Chronic Disease Control, 2021 Buxin Road, Luohu District Shenzhen 518020, China
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7
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Greco M, Chiefari E, Accattato F, Corigliano DM, Arcidiacono B, Mirabelli M, Liguori R, Brunetti FS, Pullano SA, Scorcia V, Fiorillo AS, Foti DP, Brunetti A. MicroRNA-1281 as a Novel Circulating Biomarker in Patients With Diabetic Retinopathy. Front Endocrinol (Lausanne) 2020; 11:528. [PMID: 32849308 PMCID: PMC7417427 DOI: 10.3389/fendo.2020.00528] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 06/29/2020] [Indexed: 01/10/2023] Open
Abstract
Objective: Recently, the role of circulating miRNAs as non-invasive biomarkers for the identification and monitoring of diabetes microvascular complications has emerged. Herein, we aimed to: identify circulating miRNAs differentially expressed in patients with and without diabetic retinopathy (DR); examine their predictive value; and understand their pathogenic impact. Methods: Pooled serum samples from randomly selected matched patients with type 2 diabetes, either with or without DR, were used for initial serum miRNA profiling. Validation of the most relevant miRNAs was thereafter conducted by RT-qPCR in an extended sample of patients with DR and matched controls. Results: Following miRNA profiling, 43 miRNAs were significantly up- or down-regulated in patients with DR compared with controls. After individual validation, 5 miRNAs were found significantly overexpressed in patients with DR. One of them, miR-1281, was the most up-regulated and appeared to be specifically related to DR. Furthermore, secreted levels of miR-1281 were increased in high glucose-cultured retinal cells, and there was evidence of a potential link between glucose-induced miR-1281 up-regulation and DR. Conclusion: Our findings suggest miR-1281 as a circulating biomarker of DR. Also, they highlight the pathogenic significance of miR-1281, providing insights for a new potential target in treating DR.
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Affiliation(s)
- Marta Greco
- Department of Health Sciences, University of Catanzaro “Magna Græcia,”Catanzaro, Italy
| | - Eusebio Chiefari
- Department of Health Sciences, University of Catanzaro “Magna Græcia,”Catanzaro, Italy
| | - Francesca Accattato
- Department of Health Sciences, University of Catanzaro “Magna Græcia,”Catanzaro, Italy
| | | | - Biagio Arcidiacono
- Department of Health Sciences, University of Catanzaro “Magna Græcia,”Catanzaro, Italy
| | - Maria Mirabelli
- Department of Health Sciences, University of Catanzaro “Magna Græcia,”Catanzaro, Italy
| | - Rossella Liguori
- Department of Health Sciences, University of Catanzaro “Magna Græcia,”Catanzaro, Italy
| | - Francesco S. Brunetti
- Department of Health Sciences, University of Catanzaro “Magna Græcia,”Catanzaro, Italy
| | - Salvatore A. Pullano
- Department of Health Sciences, University of Catanzaro “Magna Græcia,”Catanzaro, Italy
| | - Vincenzo Scorcia
- Department of Medical and Surgical Sciences, University of Catanzaro “Magna Græcia,”Catanzaro, Italy
| | - Antonino S. Fiorillo
- Department of Health Sciences, University of Catanzaro “Magna Græcia,”Catanzaro, Italy
| | - Daniela P. Foti
- Department of Health Sciences, University of Catanzaro “Magna Græcia,”Catanzaro, Italy
| | - Antonio Brunetti
- Department of Health Sciences, University of Catanzaro “Magna Græcia,”Catanzaro, Italy
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Li Y, Chen D, Sun L, Wu Y, Zou Y, Liang C, Bao Y, Yi J, Zhang Y, Hou J, Li Z, Yu F, Huang Y, Yu C, Liu L, Liu Z, Zhang Y, Li Y. Induced Expression of VEGFC, ANGPT, and EFNB2 and Their Receptors Characterizes Neovascularization in Proliferative Diabetic Retinopathy. Invest Ophthalmol Vis Sci 2020; 60:4084-4096. [PMID: 31574534 DOI: 10.1167/iovs.19-26767] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Purpose To investigate whole transcriptional differences between proliferative diabetic retinopathy (PDR) neovascular membranes (NVMs) and retinas, and the regulatory genes participating in retinal neovascularization in PDR. Methods We used high-throughput sequencing technology to capture the whole-genome gene expression levels of all participants, including 23 patients with PDR or branch retinal vein occlusion (BRVO), 3 normal retinal samples, and 2 retinal samples from type II diabetic (T2D) eyes by donation, followed by analyses of expression patterns using bioinformatics methods, then validation of the data by in situ hybridization and Western blotting. Results We showed that transcriptional profiles of the NVMs were distinct from those of the retinas. Angiogenesis growth factors VEGFC, ANGPT1, ANGPT2, and EFNB2, and their receptors FLT4, TIE1, TIE2, and EPHB4, respectively, were overexpressed. Expression of VEGFA was highly upregulated in T2D retina, but low in the NVMs, while angiogenesis transcription factors, including ETS1 and ERG, were coordinately upregulated in NVMs. Conclusions This study described a PDR neovascularization model in which pathological retina-secreted vascular endothelial growth factor A (VEGFA) enhanced the expression of a set of angiogenesis transcription factors and growth factors, to cooperatively induce the retinal neovascularization. Based on these results, novel potential therapeutic targets and biomarkers for PDR treatment and diagnosis are suggested.
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Affiliation(s)
- Yaping Li
- National Engineering Laboratory for Druggable Gene and Protein Screening, Northeast Normal University, Changchun, China.,Department of Ophthalmology, Second Hospital, Jilin University, Changchun, China
| | - Dong Chen
- Center for Genome Analysis, ABLife, Inc., Wuhan, People's Republic of China.,Laboratory for Genome Regulation and Human Health, ABLife, Inc., Wuhan, People's Republic of China
| | - Luguo Sun
- National Engineering Laboratory for Druggable Gene and Protein Screening, Northeast Normal University, Changchun, China
| | - Yannan Wu
- National Engineering Laboratory for Druggable Gene and Protein Screening, Northeast Normal University, Changchun, China
| | - Ying Zou
- Department of Ophthalmology, Second Hospital, Jilin University, Changchun, China
| | - Chen Liang
- National Engineering Laboratory for Druggable Gene and Protein Screening, Northeast Normal University, Changchun, China
| | - Yongli Bao
- National Engineering Laboratory for Druggable Gene and Protein Screening, Northeast Normal University, Changchun, China
| | - Jingwen Yi
- National Engineering Laboratory for Druggable Gene and Protein Screening, Northeast Normal University, Changchun, China
| | - Yu Zhang
- Center for Genome Analysis, ABLife, Inc., Wuhan, People's Republic of China
| | - Jing Hou
- Center for Genome Analysis, ABLife, Inc., Wuhan, People's Republic of China
| | - Zhen Li
- Center for Genome Analysis, ABLife, Inc., Wuhan, People's Republic of China
| | - Fengyun Yu
- Laboratory for Genome Regulation and Human Health, ABLife, Inc., Wuhan, People's Republic of China
| | - Yanxin Huang
- National Engineering Laboratory for Druggable Gene and Protein Screening, Northeast Normal University, Changchun, China
| | - Chunlei Yu
- National Engineering Laboratory for Druggable Gene and Protein Screening, Northeast Normal University, Changchun, China
| | - Lei Liu
- National Engineering Laboratory for Druggable Gene and Protein Screening, Northeast Normal University, Changchun, China
| | - Zaoxia Liu
- Department of Ophthalmology, Second Hospital, Jilin University, Changchun, China
| | - Yi Zhang
- Center for Genome Analysis, ABLife, Inc., Wuhan, People's Republic of China.,Laboratory for Genome Regulation and Human Health, ABLife, Inc., Wuhan, People's Republic of China
| | - Yuxin Li
- National Engineering Laboratory for Druggable Gene and Protein Screening, Northeast Normal University, Changchun, China
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9
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Han N, Xu H, Yu N, Wu Y, Yu L. MiR-203a-3p inhibits retinal angiogenesis and alleviates proliferative diabetic retinopathy in oxygen-induced retinopathy (OIR) rat model via targeting VEGFA and HIF-1α. Clin Exp Pharmacol Physiol 2020; 47:85-94. [PMID: 31408201 DOI: 10.1111/1440-1681.13163] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 08/07/2019] [Accepted: 08/08/2019] [Indexed: 12/13/2022]
Abstract
Proliferative diabetic retinopathy (PDR) is a common complication of diabetes mellitus, characterized by abnormal retinal angiogenesis. MicroRNA-203-3p (miR-203-3p) was found to be down-regulated in a murine model of proliferative retinopathy. This study was performed to explore the role of miR-203a-3p in retinal angiogenesis of PDR. Firstly, a rat OIR model, which was used to mimic PDR, was established and the OIR rats were treated with scrambled control or miR-203a-3p agomir by intravitreal injection. The results showed that the level of miR-203a-3p was decreased in OIR rats, and forced over-expression of miR-203a-3p inhibited OIR-induced retinal angiogenesis as evidenced by reduced blood vessel profiles and CD31 expression. OIR-induced up-regulation of VEGFA, HIF-α, PCNA, and MMPs in the retina was also counteracted by miR-203a-3p. Additionally, high glucose (HG)-induced proliferation, migration and tube formation of human retinal microvascular endothelial cells (HRMECs) were also dampened by the up-regulation of miR-203a-3p. Dual-luciferase reporter assay showed that miR-203a-3p could specifically bind to the 3'UTR of VEGFA and HIF-1α. Over-expression of VEGFA or HIF-1α restored the tube formation activity of HRMECs suppressed by miR-203a-3p. In conclusion, our findings demonstrate that up-regulation of miR-203a-3p might inhibit pathological retinal angiogenesis of PDR by targeting VEGFA and HIF-1α.
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Affiliation(s)
- Ning Han
- Department of Ophthalmology, The Second Hospital of Jilin University, Changchun, China
| | - Haitao Xu
- Department of Ophthalmology, The Second Hospital of Jilin University, Changchun, China
| | - Na Yu
- Department of Blood Transfusion, The Second Hospital of Jilin University, Changchun, China
| | - Yazhen Wu
- Department of Ophthalmology, The Second Hospital of Jilin University, Changchun, China
| | - Li Yu
- Department of Ophthalmology, The Second Hospital of Jilin University, Changchun, China
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Mirabelli M, Chiefari E, Caroleo P, Arcidiacono B, Corigliano DM, Giuliano S, Brunetti FS, Tanyolaç S, Foti DP, Puccio L, Brunetti A. Long-Term Effectiveness of Liraglutide for Weight Management and Glycemic Control in Type 2 Diabetes. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 17:ijerph17010207. [PMID: 31892206 PMCID: PMC6981922 DOI: 10.3390/ijerph17010207] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 12/17/2019] [Accepted: 12/24/2019] [Indexed: 12/15/2022]
Abstract
Background: Liraglutide is the first glucagon-like peptide-1 receptor agonist (GLP-1 RA) based on the human GLP-1 sequence, with potential weight loss benefits, approved for the treatment of type 2 diabetes (T2D) mellitus. Herein, we aimed to assess the 5-year effectiveness of Liraglutide in the management of weight and glycometabolic control in a Southern Italian cohort of overweight/obese T2D patients, who were naïve to GLP-1 RAs. Patients and Methods: Forty overweight or obese patients treated with Liraglutide at doses up to 1.8 mg/day, in combination with one or more oral antidiabetic agents, were retrospectively assessed at baseline, during, and after 60 months of continuous therapy. Results: After 5 years of Liraglutide treatment, body weight decreased from 92.1 ± 20.5 kg to 87.3 ± 20.0 Kg (p < 0.001), with a mean reduction of 5.0 ± 7.0 Kg and a body mass index (BMI) decrement of −2.0 ± 3.1 Kg/m2. On Spearman’s univariate analysis, change in body weight was correlated with female gender and baseline BMI. Hemoglobin A1c (HbA1c) decreased from 7.9 ± 0.9% at baseline to 7.0 ± 0.7% at the end of the study period (p < 0.001), followed by a significant reduction in fasting plasma glucose. No significant differences emerged in other biochemical parameters, despite a trend toward improvement in lipid profile. Notwithstanding encouraging effects on several markers of cardiovascular disease (CVD), increments in the 5- and 10-year risk for the first atherosclerotic cardiovascular event were documented, as four incident cases of myocardial infarction. Conclusions: Prolonging treatment with Liraglutide can lead to durable benefits in relation to weight and glycemic control, with a greater impact on women. These results extend and corroborate previous observations, suggesting that gender per se may modulate the response to Liraglutide. Despite favorable effects on some established CVD risks factors, the long-term role of Liraglutide in primary prevention of CVD in patients with T2D remains controversial.
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Affiliation(s)
- Maria Mirabelli
- Department of Health Sciences, University “Magna Græcia” of Catanzaro, 88100 Catanzaro, Italy; (M.M.); (E.C.); (B.A.); (D.M.C.); (S.G.); (F.S.B.); (D.P.F.)
| | - Eusebio Chiefari
- Department of Health Sciences, University “Magna Græcia” of Catanzaro, 88100 Catanzaro, Italy; (M.M.); (E.C.); (B.A.); (D.M.C.); (S.G.); (F.S.B.); (D.P.F.)
| | - Patrizia Caroleo
- Complex Operative Structure Endocrinology-Diabetology, Hospital Pugliese-Ciaccio, 88100 Catanzaro, Italy; (P.C.); (L.P.)
| | - Biagio Arcidiacono
- Department of Health Sciences, University “Magna Græcia” of Catanzaro, 88100 Catanzaro, Italy; (M.M.); (E.C.); (B.A.); (D.M.C.); (S.G.); (F.S.B.); (D.P.F.)
| | - Domenica Maria Corigliano
- Department of Health Sciences, University “Magna Græcia” of Catanzaro, 88100 Catanzaro, Italy; (M.M.); (E.C.); (B.A.); (D.M.C.); (S.G.); (F.S.B.); (D.P.F.)
| | - Stefania Giuliano
- Department of Health Sciences, University “Magna Græcia” of Catanzaro, 88100 Catanzaro, Italy; (M.M.); (E.C.); (B.A.); (D.M.C.); (S.G.); (F.S.B.); (D.P.F.)
| | - Francesco Saverio Brunetti
- Department of Health Sciences, University “Magna Græcia” of Catanzaro, 88100 Catanzaro, Italy; (M.M.); (E.C.); (B.A.); (D.M.C.); (S.G.); (F.S.B.); (D.P.F.)
| | - Sinan Tanyolaç
- Division of Endocrinology and Metabolism, Department of Internal Medicine, School of Medicine, Biruni University, 34010 Istanbul, Turkey;
| | - Daniela Patrizia Foti
- Department of Health Sciences, University “Magna Græcia” of Catanzaro, 88100 Catanzaro, Italy; (M.M.); (E.C.); (B.A.); (D.M.C.); (S.G.); (F.S.B.); (D.P.F.)
| | - Luigi Puccio
- Complex Operative Structure Endocrinology-Diabetology, Hospital Pugliese-Ciaccio, 88100 Catanzaro, Italy; (P.C.); (L.P.)
| | - Antonio Brunetti
- Department of Health Sciences, University “Magna Græcia” of Catanzaro, 88100 Catanzaro, Italy; (M.M.); (E.C.); (B.A.); (D.M.C.); (S.G.); (F.S.B.); (D.P.F.)
- Correspondence: ; Tel.: +39-0961-3694368; Fax: +39-0961-3694147
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11
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Visconti F, Quaresima P, Chiefari E, Caroleo P, Arcidiacono B, Puccio L, Mirabelli M, Foti DP, Di Carlo C, Vero R, Brunetti A. First Trimester Combined Test (FTCT) as a Predictor of Gestational Diabetes Mellitus. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16193654. [PMID: 31569431 PMCID: PMC6801433 DOI: 10.3390/ijerph16193654] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 09/25/2019] [Accepted: 09/26/2019] [Indexed: 01/27/2023]
Abstract
Background—The first trimester combined test (FTCT) is an effective screening tool to estimate the risk of fetal aneuploidy. It is obtained by the combination of maternal age, ultrasound fetal nuchal translucency (NT) measurement, and the maternal serum markers free β-human chorionic gonadotropin (β-hCG) and pregnancy-associated plasma protein A (PAPP-A). However, conflicting data have been reported about the association of FTCT, β-hCG, or PAPP-A with the subsequent diagnosis of gestational diabetes mellitus (GDM). Research design and methods—2410 consecutive singleton pregnant women were retrospectively enrolled in Calabria, Southern Italy. All participants underwent examinations for FTCT at 11–13 weeks (plus 6 days) of gestation, and screening for GDM at 16–18 and/or 24–28 weeks of gestation, in accordance with current Italian guidelines and the International Association Diabetes Pregnancy Study Groups (IADPSG) glycemic cut-offs. Data were examined by univariate and logistic regression analyses. Results—1814 (75.3%) pregnant women were normal glucose tolerant, while 596 (24.7%) were diagnosed with GDM. Spearman univariate analysis demonstrated a correlation between FTCT values and subsequent GDM diagnosis (ρ = 0.048, p = 0.018). The logistic regression analysis showed that women with a FTCT <1:10000 had a major GDM risk (p = 0.016), similar to women with a PAPP-A <1 multiple of the expected normal median (MoM, p = 0.014). Conversely, women with β-hCG ≥2.0 MoM had a reduced risk of GDM (p = 0.014). Conclusions—Our findings indicate that GDM susceptibility increases with fetal aneuploidy risk, and that FTCT and its related maternal serum parameters can be used as early predictors of GDM.
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Affiliation(s)
- Federica Visconti
- Unit of Obstetrics and Gynecology, Department of Medical and Surgical Sciences, University "Magna Græcia" of Catanzaro, Viale Europa, 88100 Catanzaro, Italy.
| | - Paola Quaresima
- Unit of Obstetrics and Gynecology, Department of Medical and Surgical Sciences, University "Magna Græcia" of Catanzaro, Viale Europa, 88100 Catanzaro, Italy.
| | - Eusebio Chiefari
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, 88100 Catanzaro, Italy.
| | - Patrizia Caroleo
- Complex Operative Structure Endocrinology-Diabetology, Hospital Pugliese-Ciaccio, 88100 Catanzaro, Italy.
| | - Biagio Arcidiacono
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, 88100 Catanzaro, Italy.
| | - Luigi Puccio
- Complex Operative Structure Endocrinology-Diabetology, Hospital Pugliese-Ciaccio, 88100 Catanzaro, Italy.
| | - Maria Mirabelli
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, 88100 Catanzaro, Italy.
| | - Daniela P Foti
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, 88100 Catanzaro, Italy.
| | - Costantino Di Carlo
- Unit of Obstetrics and Gynecology, Department of Medical and Surgical Sciences, University "Magna Græcia" of Catanzaro, Viale Europa, 88100 Catanzaro, Italy.
| | - Raffaella Vero
- Complex Operative Structure Endocrinology-Diabetology, Hospital Pugliese-Ciaccio, 88100 Catanzaro, Italy.
| | - Antonio Brunetti
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, 88100 Catanzaro, Italy.
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12
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Flaxel CJ, Adelman RA, Bailey ST, Fawzi A, Lim JI, Vemulakonda GA, Ying GS. Diabetic Retinopathy Preferred Practice Pattern®. Ophthalmology 2019; 127:P66-P145. [PMID: 31757498 DOI: 10.1016/j.ophtha.2019.09.025] [Citation(s) in RCA: 294] [Impact Index Per Article: 58.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Accepted: 09/20/2019] [Indexed: 12/15/2022] Open
Affiliation(s)
| | | | - Steven T Bailey
- Casey Eye Institute, Oregon Health & Science University, Portland, OR
| | - Amani Fawzi
- Feinberg School of Medicine, Northwestern University, Chicago, IL
| | | | - G Atma Vemulakonda
- Department of Ophthalmology, Palo Alto Medical Foundation, Palo Alto, CA
| | - Gui-Shuang Ying
- Center for Preventative Ophthalmology and Biostatistics, Department of Ophthalmology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
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13
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Zanin R, Pegoraro S, Ros G, Ciani Y, Piazza S, Bossi F, Bulla R, Zennaro C, Tonon F, Lazarevic D, Stupka E, Sgarra R, Manfioletti G. HMGA1 promotes breast cancer angiogenesis supporting the stability, nuclear localization and transcriptional activity of FOXM1. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2019; 38:313. [PMID: 31311575 PMCID: PMC6636010 DOI: 10.1186/s13046-019-1307-8] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Accepted: 07/02/2019] [Indexed: 02/07/2023]
Abstract
Background Breast cancer is the most common malignancy in women worldwide. Among the breast cancer subtypes, triple-negative breast cancer (TNBC) is the most aggressive and the most difficult to treat. One of the master regulators in TNBC progression is the architectural transcription factor HMGA1. This study aimed to further explore the HMGA1 molecular network to identify molecular mechanisms involved in TNBC progression. Methods RNA from the MDA-MB-231 cell line, silenced for HMGA1 expression, was sequenced and, with a bioinformatic analysis, molecular partners HMGA1 could cooperate with in regulating common downstream gene networks were identified. Among the putative partners, the FOXM1 transcription factor was selected. The relationship occurring between HMGA1 and FOXM1 was explored by qRT-PCR, co-immunoprecipitation and protein stability assays. Subsequently, the transcriptional activity of HMGA1 and FOXM1 was analysed by luciferase assay on the VEGFA promoter. The impact on angiogenesis was assessed in vitro, evaluating the tube formation ability of endothelial cells exposed to the conditioned medium of MDA-MB-231 cells silenced for HMGA1 and FOXM1 and in vivo injecting MDA-MB-231 cells, silenced for the two factors, in zebrafish larvae. Results Here, we discover FOXM1 as a novel molecular partner of HMGA1 in regulating a gene network implicated in several breast cancer hallmarks. HMGA1 forms a complex with FOXM1 and stabilizes it in the nucleus, increasing its transcriptional activity on common target genes, among them, VEGFA, the main inducer of angiogenesis. Furthermore, we demonstrate that HMGA1 and FOXM1 synergistically drive breast cancer cells to promote tumor angiogenesis both in vitro in endothelial cells and in vivo in a zebrafish xenograft model. Moreover, using a dataset of breast cancer patients we show that the co-expression of HMGA1, FOXM1 and VEGFA is a negative prognostic factor of distant metastasis-free survival and relapse-free survival. Conclusions This study reveals FOXM1 as a crucial interactor of HMGA1 and proves that their cooperative action supports breast cancer aggressiveness, by promoting tumor angiogenesis. Therefore, the possibility to target HMGA1/FOXM1 in combination should represent an attractive therapeutic option to counteract breast cancer angiogenesis. Electronic supplementary material The online version of this article (10.1186/s13046-019-1307-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Rossella Zanin
- Department of Life Sciences, University of Trieste, 34127, Trieste, Italy
| | - Silvia Pegoraro
- Department of Life Sciences, University of Trieste, 34127, Trieste, Italy.
| | - Gloria Ros
- Department of Life Sciences, University of Trieste, 34127, Trieste, Italy
| | - Yari Ciani
- Laboratorio Nazionale CIB, Area Science Park, Padriciano 99, Trieste, Italy.,Present address: Department of Cellular, Computational and Integrative Biology - (CIBIO), University of Trento, Via Sommarive 9, 38123, Trento, Italy
| | - Silvano Piazza
- Department of Cellular, Computational and Integrative Biology - (CIBIO), University of Trento, Via Sommarive 9, 38123, Povo, Trento, Italy
| | - Fleur Bossi
- Institute for Maternal and Child Health, Istituto di Ricovero e Cura a Carattere Scientifico (I.R.C.C.S.) "Burlo Garofolo", via dell'Istria 65/1, 34134, Trieste, Italy
| | - Roberta Bulla
- Department of Life Sciences, University of Trieste, 34127, Trieste, Italy
| | - Cristina Zennaro
- Department of Medicine, Surgery and Health Sciences, University of Trieste, 34149, Trieste, Italy
| | - Federica Tonon
- Department of Medicine, Surgery and Health Sciences, University of Trieste, 34149, Trieste, Italy
| | - Dejan Lazarevic
- Center for Translational Genomics and Bioinformatics, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Elia Stupka
- Center for Translational Genomics and Bioinformatics, IRCCS San Raffaele Scientific Institute, Milan, Italy.,Present address: Life Sciences Business Health Catalyst, Cambridge, Via Sommarive 9, 38123, USA
| | - Riccardo Sgarra
- Department of Life Sciences, University of Trieste, 34127, Trieste, Italy
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14
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Zhao C, Fei X, Xu B, Lu Y, Zhang Q. Long non-coding RNA HEIH contributes to diabetic retinopathy by regulating miR-939/VEGF axis. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2019; 12:2022-2033. [PMID: 31934024 PMCID: PMC6949650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Accepted: 04/19/2019] [Indexed: 06/10/2023]
Abstract
Diabetes is one of the most prevalent metabolic diseases in the world. This study explored the role of long non-coding RNA HEIH in regulating the development of diabetic retinopathy (DR). The expression of HEIH gene was detected in the serum of patients with DR. Subsequently, high concentrations of D-glucose (HG) were used to stimulate ARPE-19 cells to construct a cell model of DR. HEIH was overexpressed and suppressed to further investigate the effects of HEIH on HG-induced ARPE-19 cell injury. Moreover, the regulatory relationship between HEIH and miR-939 was investigated, and a target relationship between miR-939 and VEGF in ARPE-19 cells was explored. We elucidated an association between HEIH/miR-939/VEGF axis and the PI3K/AKT pathway. HEIH was highly expressed in the serum of patients with DR. Moreover, HG-induced ARPE-19 cell injury and expression of HEIH. The overexpression of HEIE aggravated HG-induced ARPE-19 cell injury by significantly inhibiting cell viability, inducing apoptosis, promoting cytochrome C release from mitochondria to cytoplasm, and enhancing the caspase-3 activity, whereas suppression of HEIE had the opposite effects. In addition, the effects of the suppression of HEIH on HG-induced ARPE-19 cell injury were markedly reversed by inhibiting miR-939. miR-939 regulated HG-induced ARPE-19 cell injury by targeting VEGF. The suppression of HEIH reversed HG-induced activation of the PI3K/AKT signaling pathway. Our findings revealed that HEIH may contribute to DR by sponging miR-939 to target VEGF expression and by regulating the activation of the PI3K/AKT pathway. Inhibition of epidermal growth factor receptor and PI3K/Akt signaling suppresses cell proliferation and survival through regulation of Stat3 activation in human cutaneous squamous cell carcinoma. HEIH/miR-939/VEGF axis may provide a novel perspective for DR therapy.
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Affiliation(s)
- Chengyuan Zhao
- Department of Endocrinology, Taizhou People's Hospital Taizhou, Jiangsu, China
| | - Xiaoqiang Fei
- Department of Endocrinology, Taizhou People's Hospital Taizhou, Jiangsu, China
| | - Bangkui Xu
- Department of Endocrinology, Taizhou People's Hospital Taizhou, Jiangsu, China
| | - Yu Lu
- Department of Endocrinology, Taizhou People's Hospital Taizhou, Jiangsu, China
| | - Qingqing Zhang
- Department of Endocrinology, Taizhou People's Hospital Taizhou, Jiangsu, China
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15
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Pullano SA, Greco M, Corigliano DM, Foti DP, Brunetti A, Fiorillo AS. Cell-line characterization by infrared-induced pyroelectric effect. Biosens Bioelectron 2019; 140:111338. [PMID: 31158794 DOI: 10.1016/j.bios.2019.111338] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 05/13/2019] [Accepted: 05/17/2019] [Indexed: 11/29/2022]
Abstract
Evaluation of cellular thermodynamics has recently received a high interest because of its implication in many mechanisms related with function, structure and health of cells. Recent literature reported significant efforts to provide affordable intracellular thermal components of absorption, such as thermal conductivity, to overcome the lack of experimental data. Herein, we provide lines of evidence towards the fabrication of an electronic system, using a rapid thermoelectric technique based on infrared-induced pyroelectric effect for in-vitro cell model characterization. Results demonstrated that the assessment of the average single cell thermal conductivity, sample concentration, and information on cell viability is possible over a wide concentration range. The proposed electronic system establishes a different analysis paradigm if compared to those reported in the literature, with consistent results, demonstrating that the adopted technique can provide cell-specific information and knowledge, closely linked to cell viability and its vital functions.
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Affiliation(s)
- Salvatore A Pullano
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, 88100, Catanzaro, Italy.
| | - Marta Greco
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, 88100, Catanzaro, Italy
| | - Domenica M Corigliano
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, 88100, Catanzaro, Italy
| | - Daniela P Foti
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, 88100, Catanzaro, Italy
| | - A Brunetti
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, 88100, Catanzaro, Italy
| | - Antonino S Fiorillo
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, 88100, Catanzaro, Italy
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16
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Jiao H, Zang Y, Zhang M, Zhang Y, Wang Y, Wang K, Price RA, Li WD. Genome-Wide Interaction and Pathway Association Studies for Body Mass Index. Front Genet 2019; 10:404. [PMID: 31118946 PMCID: PMC6504780 DOI: 10.3389/fgene.2019.00404] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2018] [Accepted: 04/12/2019] [Indexed: 11/24/2022] Open
Abstract
Objective: We investigated gene interactions (epistasis) for body mass index (BMI) in a European-American adult female cohort via genome-wide interaction analyses (GWIA) and pathway association analyses. Methods: Genome-wide pairwise interaction analyses were carried out for BMI in 493 extremely obese cases (BMI > 35 kg/m2) and 537 never-overweight controls (BMI < 25 kg/m2). To further validate the results, specific SNPs were selected based on the GWIA results for haplotype-based association studies. Pathway-based association analyses were performed using a modified Gene Set Enrichment Algorithm (GSEA) (GenGen program) to further explore BMI-related pathways using our genome wide association study (GWAS) data set, GIANT, ENGAGE, and DIAGRAM Consortia. Results: The EXOC4-1q23.1 interaction was associated with BMI, with the most significant epistasis between rs7800006 and rs10797020 (P = 2.63 × 10-11). In the pathway-based association analysis, Tob1 pathway showed the most significant association with BMI (empirical P < 0.001, FDR = 0.044, FWER = 0.040). These findings were further validated in different populations. Conclusion: Genome-wide pairwise SNP-SNP interaction and pathway analyses suggest that EXOC4 and TOB1-related pathways may contribute to the development of obesity.
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Affiliation(s)
- Hongxiao Jiao
- Research Center of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Yong Zang
- Department of Genetics, College of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Miaomiao Zhang
- Department of Genetics, College of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Yuan Zhang
- Department of Genetics, College of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Yaogang Wang
- College of Public Health, Tianjin Medical University, Tianjin, China
| | - Kai Wang
- Raymond G. Perelman Center for Cellular and Molecular Therapeutics, Children’s Hospital of Philadelphia, Philadelphia, PA, United States
- Laboratory Medicine, Department of Pathology, University of Pennsylvania, Philadelphia, PA, United States
| | - R. Arlen Price
- Department of Psychiatry, Center for Neurobiology and Behavior, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, United States
| | - Wei-Dong Li
- Department of Genetics, College of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
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17
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Angiopoietin-like 3 Is a Potential Biomarker for Retinopathy in Type 2 Diabetic Patients. Am J Ophthalmol 2018; 191:34-41. [PMID: 29621508 DOI: 10.1016/j.ajo.2018.03.040] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Revised: 03/24/2018] [Accepted: 03/25/2018] [Indexed: 02/02/2023]
Abstract
PURPOSE To investigate whether angiopoietin-like 3 (ANGPTL3) and angiopoietin-like 4 (ANGPTL4) are differentially associated with the severity of retinopathy in patients with type 2 diabetes mellitus (T2DM). DESIGN Cross-sectional study. METHODS Serum levels of ANGPTL3, ANGPTL4, high-sensitivity C-reactive protein (CRP), vascular adhesion molecule-1 (VCAM-1), intracellular adhesion molecule-1 (ICAM-1), and vascular endothelial growth factor (VEGF) were quantified by ELISA. Retinal images were recorded to assess the grade of diabetic retinopathy (DR). Multivariable-adjusted logistic analysis was performed to estimate the association of each biomarker and DR stage. RESULTS Among 1192 T2DM patients, 426 (35.7%) had nonproliferative diabetic retinopathy (NPDR) and 56 (4.5%) had proliferative diabetic retinopathy (PDR). After adjusting for covariables, the odds ratios expressing the risk of having DR vs no DR (n = 710 vs 482) were 1.23 (95% confidence interval [CI], 1.08-1.40, P = .002) for ANGPTL3; 0.90 (95% CI, 0.79-1.02; P = .095) for ANGPTL4; and 1.14 (95% CI, 1.00-1.29; P = .044) for VEGF. The risk of having no DR vs NPDR (n = 710 vs 426) was 1.16 (95% CI, 1.01-1.32; P = .036) for ANGPTL3; 0.90 (95% CI, 0.79-1.04; P = .15) for ANGPTL4; and 1.14 (95% CI, 1.00-1.31; P = .045) for VEGF. The odds ratios of having NPDR vs PDR (n = 426 vs 56) was 1.47 (95% CI, 1.03-2.10; P = .035) for serum ANGPTL3; 0.96 (95% CI, 0.69-1.35; P = .83) for ANGPTL4; and 1.05 (95% CI, 0.77-1.45; P = .74) for VEGF. CONCLUSIONS ANGPTL3 is independently and strongly associated with DR progression in all stages. Blockade of ANGPTL3 signal in retina might postpone the onset and development of DR in T2DM patients.
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Lo WY, Yang WK, Peng CT, Pai WY, Wang HJ. MicroRNA-200a/200b Modulate High Glucose-Induced Endothelial Inflammation by Targeting O-linked N-Acetylglucosamine Transferase Expression. Front Physiol 2018; 9:355. [PMID: 29720943 PMCID: PMC5915961 DOI: 10.3389/fphys.2018.00355] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Accepted: 03/22/2018] [Indexed: 12/11/2022] Open
Abstract
Background and Aims: Increased O-linked N-acetylglucosamine (O-GlcNAc) modification of proteins by O-GlcNAc transferase (OGT) is associated with diabetic complications. Furthermore, oxidative stress promotes endothelial inflammation during diabetes. A previous study reported that microRNA-200 (miR-200) family members are sensitive to oxidative stress. In this study, we examined whether miR-200a and miR-200b regulate high-glucose (HG)-induced OGT expression in human aortic endothelial cells (HAECs) and whether miRNA-200a/200b downregulate OGT expression to control HG-induced endothelial inflammation. Methods: HAECs were stimulated with high glucose (25 mM) for 12 and 24 h. Real-time polymerase chain reaction (PCR), western blotting, THP-1 adhesion assay, bioinformatics predication, transfection of miR-200a/200b mimic or inhibitor, luciferase reporter assay, and transfection of siRNA OGT were performed. The aortic endothelium of db/db diabetic mice was evaluated by immunohistochemistry staining. Results: HG upregulated OGT mRNA and protein expression and protein O-GlcNAcylation levels (RL2 antibody) in HAECs, and showed increased intercellular adhesion molecule 1 (ICAM-1), vascular cell adhesion molecule 1 (VCAM-1), and E-selectin gene expression; ICAM-1 expression; and THP-1 adhesion. Bioinformatics analysis revealed homologous sequences between members of the miR-200 family and the 3′-untranslated region (3′-UTR) of OGT mRNA, and real-time PCR analysis confirmed that members of miR-200 family were significantly decreased in HG-stimulated HAECs. This suggests the presence of an impaired feedback restraint on HG-induced endothelial protein O-GlcNAcylation levels because of OGT upregulation. A luciferase reporter assay demonstrated that miR-200a/200b mimics bind to the 3′-UTR of OGT mRNA. Transfection with miR-200a/200b mimics significantly inhibited HG-induced OGT mRNA expression, OGT protein expression; protein O-GlcNAcylation levels; ICAM-1, VCAM-1, and E-selectin gene expression; ICAM-1 expression; and THP-1 adhesion. Additionally, siRNA-mediated OGT depletion reduced HG-induced protein O-GlcNAcylation; ICAM-1, VCAM-1, and E-selectin gene expression; ICAM-1 expression; and THP-1 adhesion, confirming that HG-induced endothelial inflammation is partially mediated via OGT-induced protein O-GlcNAcylation. These results were validated in vivo: tail-vein injection of miR-200a/200b mimics downregulated endothelial OGT and ICAM-1 expression in db/db mice. Conclusion: miR-200a/200b are involved in modulating HG-induced endothelial inflammation by regulating OGT-mediated protein O-GlcNAcylation, suggesting the therapeutic role of miR-200a/200b on vascular complications in diabetes.
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Affiliation(s)
- Wan-Yu Lo
- Cardiovascular and Translational Medicine Laboratory, Department of Biotechnology, Hungkuang University, Taichung, Taiwan.,Program in Animal Healthcare, Hungkuang University, Taichung, Taiwan
| | - Wen-Kai Yang
- Program in Animal Healthcare, Hungkuang University, Taichung, Taiwan.,Department of Life Sciences, National Chung Hsing University, Taichung, Taiwan
| | - Ching-Tien Peng
- Department of Pediatrics, Children's Hospital, China Medical University and Hospital, Taichung, Taiwan
| | - Wan-Yu Pai
- Department of Bioscience and Biotechnology and Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung, Taiwan
| | - Huang-Joe Wang
- School of Medicine, China Medical University, Taichung, Taiwan.,Cardiovascular Research Laboratory, Division of Cardiovascular Medicine, Department of Internal Medicine, China Medical University and Hospital, Taichung, Taiwan
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19
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Comment on Li et al. HMGA1: A novel predisposing gene for acute myocardial infarction. Int J Cardiol 2018; 256:38. [DOI: 10.1016/j.ijcard.2018.01.109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Accepted: 01/23/2018] [Indexed: 11/18/2022]
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20
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Arcidiacono B, Chiefari E, Messineo S, Bilotta FL, Pastore I, Corigliano DM, Foti DP, Brunetti A. HMGA1 is a novel transcriptional regulator of the FoxO1 gene. Endocrine 2018; 60:56-64. [PMID: 29052178 PMCID: PMC5845622 DOI: 10.1007/s12020-017-1445-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Accepted: 09/27/2017] [Indexed: 12/14/2022]
Abstract
PURPOSE The forkhead transcription factor (FoxO1) is a master transcriptional regulator of fundamental cellular processes ranging from cell proliferation and differentiation to inflammation and metabolism. However, despite its relevance, the mechanism(s) underlying FoxO1 gene regulation are largely unknown. We have previously shown that the chromatin factor high-mobility group A1 (HMGA1) plays a key role in the transcriptional regulation of glucose-responsive genes, including some that are involved in FoxO1-mediated glucose metabolism. Here we investigated the impact of HMGA1 on FoxO1 gene expression. METHODS FoxO1 protein and gene expression studies were performed by Western blot analysis combined with qRT-PCR of material from human cultured cells and EBV-transformed lymphoblasts, and from primary cultured hepatocytes from wild-type and Hmga1 -/- mice. Reporter gene assays and chromatin immunoprecipitation for binding of HMGA1 to the endogenous FoxoO1 locus were performed in cells overexpressing HMGA1 and in cells pretreated with siRNA targeting HMGA1. RESULTS HMGA1 increased FoxO1 mRNA and protein expression in vitro, in cultured HepG2 and HEK-293 cells by binding FoxO1 gene promoter, thereby activating FoxO1 gene transcription. Forced expression of HMGA1 in primary cultured hepatocytes from Hmga1 -/- mice and in EBV-transformed lymphoblasts from subjects with reduced expression of endogenous HMGA1 increased FoxO1 mRNA and protein levels. CONCLUSION These findings may contribute to the understanding of FoxO1 gene regulation and its role in metabolism.
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Affiliation(s)
- Biagio Arcidiacono
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, Viale Europa (Località Germaneto), 88100, Catanzaro, Italy
| | - Eusebio Chiefari
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, Viale Europa (Località Germaneto), 88100, Catanzaro, Italy
| | - Sebastiano Messineo
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, Viale Europa (Località Germaneto), 88100, Catanzaro, Italy
| | - Francesco L Bilotta
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, Viale Europa (Località Germaneto), 88100, Catanzaro, Italy
| | - Ida Pastore
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, Viale Europa (Località Germaneto), 88100, Catanzaro, Italy
| | - Domenica M Corigliano
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, Viale Europa (Località Germaneto), 88100, Catanzaro, Italy
| | - Daniela P Foti
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, Viale Europa (Località Germaneto), 88100, Catanzaro, Italy
| | - Antonio Brunetti
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, Viale Europa (Località Germaneto), 88100, Catanzaro, Italy.
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21
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Broadgate S, Kiire C, Halford S, Chong V. Diabetic macular oedema: under-represented in the genetic analysis of diabetic retinopathy. Acta Ophthalmol 2018; 96 Suppl A111:1-51. [PMID: 29682912 DOI: 10.1111/aos.13678] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Accepted: 11/21/2017] [Indexed: 12/15/2022]
Abstract
Diabetic retinopathy, a complication of both type 1 and type 2 diabetes, is a complex disease and is one of the leading causes of blindness in adults worldwide. It can be divided into distinct subclasses, one of which is diabetic macular oedema. Diabetic macular oedema can occur at any time in diabetic retinopathy and is the most common cause of vision loss in patients with type 2 diabetes. The purpose of this review is to summarize the large number of genetic association studies that have been performed in cohorts of patients with type 2 diabetes and published in English-language journals up to February 2017. Many of these studies have produced positive associations with gene polymorphisms and diabetic retinopathy. However, this review highlights that within this large body of work, studies specifically addressing a genetic association with diabetic macular oedema, although present, are vastly under-represented. We also highlight that many of the studies have small patient numbers and that meta-analyses often inappropriately combine patient data sets. We conclude that there will continue to be conflicting results and no meaningful findings will be achieved if the historical approach of combining all diabetic retinopathy disease states within patient cohorts continues in future studies. This review also identifies several genes that would be interesting to analyse in large, well-defined cohorts of patients with diabetic macular oedema in future candidate gene association studies.
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Affiliation(s)
- Suzanne Broadgate
- Nuffield Laboratory of Ophthalmology; Nuffield Department of Clinical Neurosciences; University of Oxford; Oxford UK
| | - Christine Kiire
- Nuffield Laboratory of Ophthalmology; Nuffield Department of Clinical Neurosciences; University of Oxford; Oxford UK
- Oxford Eye Hospital; John Radcliffe Hospital; Oxford University NHS Foundation Trust; Oxford UK
| | - Stephanie Halford
- Nuffield Laboratory of Ophthalmology; Nuffield Department of Clinical Neurosciences; University of Oxford; Oxford UK
| | - Victor Chong
- Nuffield Laboratory of Ophthalmology; Nuffield Department of Clinical Neurosciences; University of Oxford; Oxford UK
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Zhang Q, Chen L, Zhao Z, Wu Y, Zhong J, Wen G, Cao R, Zu X, Liu J. HMGA1 Mediated High-Glucose-Induced Vascular Smooth Muscle Cell Proliferation in Diabetes Mellitus: Association Between PI3K/Akt Signaling and HMGA1 Expression. DNA Cell Biol 2018; 37:389-397. [PMID: 29634420 DOI: 10.1089/dna.2017.3957] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
High-mobility group protein A1 (HMGA1), an architectural transcription factor, was found to regulate multiple gene expression in mammals. Recent studies firmly indicate an association between HMGA1 and type 2 diabetes. However, the presence and function of HMGA1 in diabetic vasculopathy has not been substantiated. in this study, we first determined the HMGA1 changes in aorta tissue of diabetic rats. In streptozotocin-induced diabetic rats, a higher level of blood glucose and plasma lipids, an increase of intima-media thickness, and a significant upregulation and accumulation of HMGA1, mainly in the nucleus and around the nuclear membrane of vascular smooth muscle cells (VSMCs), were detected. In vitro, high glucose increased HMGA1 expression and promoted proliferation of VSMCs, which could be blunted by Wortmannin and LY294002, inhibitors of PI3K/Akt pathway, and specificity protein 1 (SP1) siRNA. Moreover, knockdown of HMGA1 could weaken the upregulation of cyclin D1 accompanied by high-glucose-induced HMGA1 in VSMCs. Taken together, these findings demonstrate the vital role of PI3K/Akt-SP1-HMGA1 pathway in high-glucose-induced VSMCs proliferation.
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Affiliation(s)
- Qinghai Zhang
- Department of Metabolism and Endocrinology, The First Affiliated Hospital, University of South China , Hengyang, Hunan, P.R. China
| | - Ling Chen
- Department of Metabolism and Endocrinology, The First Affiliated Hospital, University of South China , Hengyang, Hunan, P.R. China
| | - Zhibo Zhao
- Department of Metabolism and Endocrinology, The First Affiliated Hospital, University of South China , Hengyang, Hunan, P.R. China
| | - Ying Wu
- Department of Metabolism and Endocrinology, The First Affiliated Hospital, University of South China , Hengyang, Hunan, P.R. China
| | - Jing Zhong
- Department of Metabolism and Endocrinology, The First Affiliated Hospital, University of South China , Hengyang, Hunan, P.R. China
| | - Gebo Wen
- Department of Metabolism and Endocrinology, The First Affiliated Hospital, University of South China , Hengyang, Hunan, P.R. China
| | - Renxian Cao
- Department of Metabolism and Endocrinology, The First Affiliated Hospital, University of South China , Hengyang, Hunan, P.R. China
| | - Xuyu Zu
- Department of Metabolism and Endocrinology, The First Affiliated Hospital, University of South China , Hengyang, Hunan, P.R. China
| | - Jianghua Liu
- Department of Metabolism and Endocrinology, The First Affiliated Hospital, University of South China , Hengyang, Hunan, P.R. China
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Cerychova R, Pavlinkova G. HIF-1, Metabolism, and Diabetes in the Embryonic and Adult Heart. Front Endocrinol (Lausanne) 2018; 9:460. [PMID: 30158902 PMCID: PMC6104135 DOI: 10.3389/fendo.2018.00460] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2018] [Accepted: 07/26/2018] [Indexed: 12/12/2022] Open
Abstract
The heart is able to metabolize any substrate, depending on its availability, to satisfy its energy requirements. Under normal physiological conditions, about 95% of ATP is produced by oxidative phosphorylation and the rest by glycolysis. Cardiac metabolism undergoes reprograming in response to a variety of physiological and pathophysiological conditions. Hypoxia-inducible factor 1 (HIF-1) mediates the metabolic adaptation to hypoxia and ischemia, including the transition from oxidative to glycolytic metabolism. During embryonic development, HIF-1 protects the embryo from intrauterine hypoxia, its deletion as well as its forced expression are embryonically lethal. A decrease in HIF-1 activity is crucial during perinatal remodeling when the heart switches from anaerobic to aerobic metabolism. In the adult heart, HIF-1 protects against hypoxia, although its deletion in cardiomyocytes affects heart function even under normoxic conditions. Diabetes impairs HIF-1 activation and thus, compromises HIF-1 mediated responses under oxygen-limited conditions. Compromised HIF-1 signaling may contribute to the teratogenicity of maternal diabetes and diabetic cardiomyopathy in adults. In this review, we discuss the function of HIF-1 in the heart throughout development into adulthood, as well as the deregulation of HIF-1 signaling in diabetes and its effects on the embryonic and adult heart.
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Affiliation(s)
- Radka Cerychova
- Laboratory of Molecular Pathogenetics, Institute of Biotechnology of the Czech Academy of Sciences, Prague, Czechia
- Faculty of Science, Charles University, Prague, Czechia
| | - Gabriela Pavlinkova
- Laboratory of Molecular Pathogenetics, Institute of Biotechnology of the Czech Academy of Sciences, Prague, Czechia
- *Correspondence: Gabriela Pavlinkova
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Chiefari E, Foti DP, Sgarra R, Pegoraro S, Arcidiacono B, Brunetti FS, Greco M, Manfioletti G, Brunetti A. Transcriptional Regulation of Glucose Metabolism: The Emerging Role of the HMGA1 Chromatin Factor. Front Endocrinol (Lausanne) 2018; 9:357. [PMID: 30034366 PMCID: PMC6043803 DOI: 10.3389/fendo.2018.00357] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Accepted: 06/13/2018] [Indexed: 02/06/2023] Open
Abstract
HMGA1 (high mobility group A1) is a nonhistone architectural chromosomal protein that functions mainly as a dynamic regulator of chromatin structure and gene transcription. As such, HMGA1 is involved in a variety of fundamental cellular processes, including gene expression, epigenetic regulation, cell differentiation and proliferation, as well as DNA repair. In the last years, many reports have demonstrated a role of HMGA1 in the transcriptional regulation of several genes implicated in glucose homeostasis. Initially, it was proved that HMGA1 is essential for normal expression of the insulin receptor (INSR), a critical link in insulin action and glucose homeostasis. Later, it was demonstrated that HMGA1 is also a downstream nuclear target of the INSR signaling pathway, representing a novel mediator of insulin action and function at this level. Moreover, other observations have indicated the role of HMGA1 as a positive modulator of the Forkhead box protein O1 (FoxO1), a master regulatory factor for gluconeogenesis and glycogenolysis, as well as a positive regulator of the expression of insulin and of a series of circulating proteins that are involved in glucose counterregulation, such as the insulin growth factor binding protein 1 (IGFBP1), and the retinol binding protein 4 (RBP4). Thus, several lines of evidence underscore the importance of HMGA1 in the regulation of glucose production and disposal. Consistently, lack of HMGA1 causes insulin resistance and diabetes in humans and mice, while variations in the HMGA1 gene are associated with the risk of type 2 diabetes and metabolic syndrome, two highly prevalent diseases that share insulin resistance as a common pathogenetic mechanism. This review intends to give an overview about our current knowledge on the role of HMGA1 in glucose metabolism. Although research in this field is ongoing, many aspects still remain elusive. Future directions to improve our insights into the pathophysiology of glucose homeostasis may include epigenetic studies and the use of "omics" strategies. We believe that a more comprehensive understanding of HMGA1 and its networks may reveal interesting molecular links between glucose metabolism and other biological processes, such as cell proliferation and differentiation.
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Affiliation(s)
- Eusebio Chiefari
- Department of Health Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
| | - Daniela P. Foti
- Department of Health Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
| | - Riccardo Sgarra
- Department of Life Sciences, University of Trieste, Trieste, Italy
| | - Silvia Pegoraro
- Department of Life Sciences, University of Trieste, Trieste, Italy
| | - Biagio Arcidiacono
- Department of Health Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
| | - Francesco S. Brunetti
- Department of Medical and Surgical Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
| | - Manfredi Greco
- Department of Clinical and Experimental Medicine, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
| | | | - Antonio Brunetti
- Department of Health Sciences, University “Magna Græcia” of Catanzaro, Catanzaro, Italy
- *Correspondence: Antonio Brunetti
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De Rosa S, Arcidiacono B, Chiefari E, Brunetti A, Indolfi C, Foti DP. Type 2 Diabetes Mellitus and Cardiovascular Disease: Genetic and Epigenetic Links. Front Endocrinol (Lausanne) 2018; 9:2. [PMID: 29387042 PMCID: PMC5776102 DOI: 10.3389/fendo.2018.00002] [Citation(s) in RCA: 183] [Impact Index Per Article: 30.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Accepted: 01/03/2018] [Indexed: 12/14/2022] Open
Abstract
Type 2 diabetes mellitus (DM) is a common metabolic disorder predisposing to diabetic cardiomyopathy and atherosclerotic cardiovascular disease (CVD), which could lead to heart failure through a variety of mechanisms, including myocardial infarction and chronic pressure overload. Pathogenetic mechanisms, mainly linked to hyperglycemia and chronic sustained hyperinsulinemia, include changes in metabolic profiles, intracellular signaling pathways, energy production, redox status, increased susceptibility to ischemia, and extracellular matrix remodeling. The close relationship between type 2 DM and CVD has led to the common soil hypothesis, postulating that both conditions share common genetic and environmental factors influencing this association. However, although the common risk factors of both CVD and type 2 DM, such as obesity, insulin resistance, dyslipidemia, inflammation, and thrombophilia, can be identified in the majority of affected patients, less is known about how these factors influence both conditions, so that efforts are still needed for a more comprehensive understanding of this relationship. The genetic, epigenetic, and environmental backgrounds of both type 2 DM and CVD have been more recently studied and updated. However, the underlying pathogenetic mechanisms have seldom been investigated within the broader shared background, but rather studied in the specific context of type 2 DM or CVD, separately. As the precise pathophysiological links between type 2 DM and CVD are not entirely understood and many aspects still require elucidation, an integrated description of the genetic, epigenetic, and environmental influences involved in the concomitant development of both diseases is of paramount importance to shed new light on the interlinks between type 2 DM and CVD. This review addresses the current knowledge of overlapping genetic and epigenetic aspects in type 2 DM and CVD, including microRNAs and long non-coding RNAs, whose abnormal regulation has been implicated in both disease conditions, either etiologically or as cause for their progression. Understanding the links between these disorders may help to drive future research toward an integrated pathophysiological approach and to provide future directions in the field.
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Affiliation(s)
- Salvatore De Rosa
- Department of Medical and Surgical Sciences, Magna Græcia University of Catanzaro, Catanzaro, Italy
| | - Biagio Arcidiacono
- Department of Health Sciences, Magna Græcia University of Catanzaro, Catanzaro, Italy
| | - Eusebio Chiefari
- Department of Health Sciences, Magna Græcia University of Catanzaro, Catanzaro, Italy
| | - Antonio Brunetti
- Department of Health Sciences, Magna Græcia University of Catanzaro, Catanzaro, Italy
- *Correspondence: Antonio Brunetti, ; Ciro Indolfi, ; Daniela P. Foti,
| | - Ciro Indolfi
- Department of Medical and Surgical Sciences, Magna Græcia University of Catanzaro, Catanzaro, Italy
- *Correspondence: Antonio Brunetti, ; Ciro Indolfi, ; Daniela P. Foti,
| | - Daniela P. Foti
- Department of Health Sciences, Magna Græcia University of Catanzaro, Catanzaro, Italy
- *Correspondence: Antonio Brunetti, ; Ciro Indolfi, ; Daniela P. Foti,
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Li H, Xu H, Li Y, Zhao D, Ma B. Associations between erythropoietin polymorphisms and risk of diabetic microvascular complications. Oncotarget 2017; 8:112675-112684. [PMID: 29348855 PMCID: PMC5762540 DOI: 10.18632/oncotarget.22699] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2017] [Accepted: 10/27/2017] [Indexed: 02/07/2023] Open
Abstract
We conducted a meta-analysis to evaluate the relationship between erythropoietin (EPO) polymorphisms and diabetic microvascular complications. We searched the PubMed, Embase, Cochrane library, Web of Science, Wanfang, and Chinese National Knowledge Infrastructure databases for appropriate studies. Odds ratios (ORs) with 95% confidence intervals (CIs) were calculated to evaluate the associations. Ultimately, eight studies consisting of 2,861 cases and 2,136 controls were identified and included in our meta-analysis. Results with our genotype model indicated an association between rs1617640 polymorphisms and diabetic microvascular complications (TT vs. GG: OR = 1.544, 95% CI = 1.089–2.189, P = 0.015). No clear associations between the rs1617640 and rs507392 polymorphisms and diabetic retinopathy were observed. By contrast, rs551238 polymorphisms were associated with increased diabetic retinopathy risk (allele model: OR = 0.774, 95% CI = 0.658–0.911, P = 0.002; genotype model: AC vs. CC: OR = 0.598, 95% CI = 0.402–0.890, P = 0.011; dominant model: OR = 0.561, 95% CI = 0.385–0.817, P = 0.003; recessive model: OR = 0.791, 95% CI = 0.643–0.973, P = 0.026). These results indicate that EPO polymorphisms are a risk factor for diabetic microvascular complications.
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Affiliation(s)
- Hua Li
- Department of Oncology, The Affiliated Hospital of Binzhou Medical University, Binzhou, Shandong 256603, China
| | - Huipu Xu
- Department of Cardiology, The Affiliated Hospital of Binzhou Medical University, Binzhou, Shandong 256603, China
| | - Yuerong Li
- Department of Cardiology, The Affiliated Hospital of Binzhou Medical University, Binzhou, Shandong 256603, China
| | - Dongdong Zhao
- Department of Cardiology, The Affiliated Hospital of Binzhou Medical University, Binzhou, Shandong 256603, China
| | - Baoxin Ma
- Department of Cardiology, The Affiliated Hospital of Binzhou Medical University, Binzhou, Shandong 256603, China
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Zhang L, Tao L. miR-132 promotes retinal neovascularization under anoxia and reoxygenation conditions through up-regulating Egr1, ERK2, MMP2, VEGFA and VEGFC expression. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2017; 10:8845-8857. [PMID: 31966751 PMCID: PMC6965475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Accepted: 06/30/2017] [Indexed: 06/10/2023]
Abstract
Retinal neovascularization (RNV) is a prominent pathological angiogenesis, which causes detrimental outcomes in visual functions. Previous literature represents that miR-132 induces angiogenesis in tumor development and ischemic diseases. Considering the important role in angiogenesis, we hypothesized that miR-132 might be involved in RNV. In this study, human retinal microvascular endothelial cells were maintained in hypoxia for indicated time, followed by further incubation in normoxic conditions to establish hypoxia/reoxygenation (H/R) models in vitro. mRNA microarray analysis was undertaken to detect alterations in gene profiles in the cells. qRT-PCR and Western blotting were performed to evaluate expression of genes that are closely associated to neovascularization. Results showed that miR-132 expression was increased under hypoxic conditions. Reoxygenation for a limited time (6 h) failed to restore miR-132 expression to basal level. Interference of miR-132 expression via its inhibitor suppressed the cell proliferation under H/R conditions, increasing the apoptosis rate. mRNA microarray analysis revealed that miR-132 is involved in the regulation of vasculature development, blood vessel morphogenesis, and proliferation and migration of microvascular endothelial cells through regulating genes such as early growth response gene 1 (Egr1), extracellular signal-regulated kinase (ERK), metal matrix proteinase (MMP2), vascular endothelial growth factor (VEGF)-A and VEGF-C. qRT-PCR and Western blotting further demonstrated that miR-132 up-regulated their gene and protein expression under H/R conditions. In summary, miR-132 was involved in the development of RNV under H/R conditions, at least partly, through up-regulating Egr1, ERK2, MMP2, VEGFA and VEGFC expression. This finding facilitates the understanding of pathogenic mechanisms of RNV.
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Affiliation(s)
- Lixin Zhang
- Department of Ophthalmology, Hunan Children's Hospital Changsha 410008, Hunan, P. R. China
| | - Lijuan Tao
- Department of Ophthalmology, Hunan Children's Hospital Changsha 410008, Hunan, P. R. China
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