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Ali S, Haq TU, Hussain M, Uzair M, Ali Y, Chen Y, Jalil F, Shah AA. Genetic variants rs2910164, rs4636297 and rs895819 may contribute to the onset of acute myocardial infarction in Pakistani population. PLoS One 2024; 19:e0296025. [PMID: 38165852 PMCID: PMC10760690 DOI: 10.1371/journal.pone.0296025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 12/05/2023] [Indexed: 01/04/2024] Open
Abstract
The most serious type of coronary artery disease (CAD), acute myocardial infarction (AMI), is a major global cause of death. The development of AMI is accompanied by several risk factors. AMI may be caused by variations in the microRNA (miRNA) genes, which have a negative impact on miRNA-mediated regulation of gene expression. The target mRNAs are dysregulated because of these genetic changes in the miRNA genes, which interfere with the vital biological processes that result in AMI. Using allele-specific PCR, the aim of the study is to examine the association of the variants (rs2910164, rs4636297, and rs895819) in MIR146A, MIR126, and MIR27A with AMI susceptibility. A difference in genotype distribution among the patients and control for variation rs2910164 was identified by co-dominant [χ2 = 68.34,2; P value<0.0001], dominant (G/G vs G/C + C/C) [OR = 4.167 (2.860-6.049); P value<0.0001], recessive (C/C vs G/C + G/G) [OR = 0.2584 (0.1798-0.3731); P value<0.0001], and additive models [OR = 3.847 (2.985-4.959); P value<0.0001]. Whereas the association of rs4636297 was investigated by co-dominant [χ2 = 6.882,2; P value = 0.0320], dominant (G/G vs G/A + A/A) [OR = 0.6914 (0.4849-0.9948); P value = 0.0489], recessive (A/A vs A/G + G/G) [OR = 2.434 (0.9849-5.616830); P value = 0.0595], and additive models [OR = 0.7716 (0.6000-0.9918); P value = 0.0433]. Similarly, association of rs895819 was determined by co-dominant [χ2 = 5.277, 2; P value = 0.0715], dominant (G/G vs G/A + A/A) [OR = 1.654(0.9819-2.801); P value = 0.06440], recessive (A/A vs A/G + G/G) [OR = 0.7227 (0.5132-1.022); P value = 0.0748], and additive models [OR = 1.3337 (1.041-1.719); P value = 0.0233]. The results of this study found a significant association of rs2910164 and rs4636297 with AMI and are considered as the risk factor for AMI in the Pakistani population. We observed no significant association of the variant MIR27A (rs895819) with AMI incidence.
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Affiliation(s)
- Sajjad Ali
- Department of Biotechnology, University of Malakand, Chakdara, Pakistan
| | - Taqweem Ul Haq
- Department of Biotechnology, University of Malakand, Chakdara, Pakistan
| | - Manzar Hussain
- Department of Biotechnology, University of Malakand, Chakdara, Pakistan
| | - Muhammad Uzair
- Department of Biotechnology, University of Malakand, Chakdara, Pakistan
| | - Yasir Ali
- Department of Biotechnology, Abdul Wali Khan University Mardan, Mardan, Pakistan
| | - Yangchao Chen
- School of Biomedical Sciences, Chinese University of Hong Kong, Hong Kong, China
| | - Fazal Jalil
- Department of Biotechnology, Abdul Wali Khan University Mardan, Mardan, Pakistan
| | - Aftab Ali Shah
- Department of Biotechnology, University of Malakand, Chakdara, Pakistan
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Jing Y, Hu S, Song J, Dong X, Zhang Y, Sun X, Wang D. Association between polymorphisms in miRNAs and ischemic stroke: A meta-analysis. Medicine (Baltimore) 2022; 101:e32078. [PMID: 36596006 PMCID: PMC9803434 DOI: 10.1097/md.0000000000032078] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Atherosclerosis remains a predominant cause of ischemic stroke (IS). Four miRNA polymorphisms associated with arteriosclerosis mechanism were meta-analyzed to explore whether they had predictive significance for IS. METHODS PubMed, Excerpta Medica database, Web of Science, Cochrane Library, Scopus, China National Knowledge Infrastructure, and China Wanfang Database were searched for relevant case-control studies published before September 2022. Two researchers independently reviewed the studies and extracted the data. Data synthesis was carried out on eligible studies. Meta-analysis, subgroup analysis, sensitivity analysis, and publication bias analysis were performed using Stata software 16.0. RESULTS Twenty-two studies were included, comprising 8879 cases and 12,091 controls. The results indicated that there were no significant associations between miR-146a C>G (rs2910164), miR-196a2 T>C (rs11614913) and IS risk in the overall analyses, but miR-149 T>C (rs2292832) and miR-499 A>G (rs3746444) increased IS risk under the allelic model, homozygote model and recessive model. The subgroup analyses based on Trial of Org 101072 in Acute Stroke Treatment classification indicated that rs2910164 increased small artery occlusion (SAO) risk under the allelic model, heterozygote model and dominant model; rs11614913 decreased the risk of SAO under the allelic model, homozygote model, heterozygote model and dominant model. CONCLUSION This Meta-analysis showed that all 4 single nucleotide polymorphisms were associated with the risk of IS or SAO, even though the overall and subgroup analyses were not entirely consistent.
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Affiliation(s)
- Yunnan Jing
- Heilongjiang University of Chinese Medicine, Harbin, China
- Department of Acupuncture and Moxibustion, The Second Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Siya Hu
- Heilongjiang University of Chinese Medicine, Harbin, China
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Jing Song
- Department of Acupuncture and Moxibustion, The Second Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Xu Dong
- Department of Acupuncture and Moxibustion, The Second Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Ying Zhang
- Heilongjiang University of Chinese Medicine, Harbin, China
- Department of Acupuncture and Moxibustion, The Second Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Xiaowei Sun
- Heilongjiang University of Chinese Medicine, Harbin, China
- Department of Acupuncture and Moxibustion, The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Dongyan Wang
- Department of Acupuncture and Moxibustion, The Second Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
- * Correspondence: Dongyan Wang, Department of Acupuncture and Moxibustion, The Second Affiliated Hospital of Heilongjiang University of Chinese Medicine, 411 Gogoli Dajie, Nangang District, Harbin City, Heilongjiang Province 150000, China (e-mail: )
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Consequences of genetic variants in miRNA genes. Comput Struct Biotechnol J 2022; 20:6443-6457. [DOI: 10.1016/j.csbj.2022.11.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/16/2022] [Accepted: 11/16/2022] [Indexed: 11/20/2022] Open
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Özçep M, Atsü N, Solak N, Çelik SK. Lack of association between SOCS3 and SOCS7 polymorphisms and psoriasis. Immun Inflamm Dis 2022; 10:e695. [PMID: 36169255 PMCID: PMC9476888 DOI: 10.1002/iid3.695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 08/19/2022] [Indexed: 11/25/2022] Open
Abstract
Background Psoriasis is a common, chronic, inflammatory skin disease that involves changes taking place as a result of activation of the immune system. Suppressor of cytokine signaling proteins (SOCS) are intracellular proteins that act as endogenous inhibitors of proinflammatory pathways triggered by various cytokines. In this study, the relationship between psoriasis disease and SOCS gene polymorphisms is investigated in relation to the pathogenesis of psoriasis to clarify the psoriasis susceptibility profile. Methods The SOCS3 rs4969169 and SOCS7 rs3748726 polymorphisms were detected using the polymerase chain reaction–restriction fragment length polymorphism (PCR‐RFLP) method. The study was approved by the Clinical Research Ethics Committee of Bulent Ecevit University and performed in accordance with the ethical standards established in the 1964 Declaration of Helsinki and later amendments. All participants were informed of the parameters of the study, and they signed consent forms before being included. Statistical analysis was performed using the SPSS 18.0 (SPSS Inc.) package program. Results For the SOCS3 rs4969169 genotype frequency, the CC/CT genotypes represented 67%/33% in the patient group and 73%/27% in the control group. For the SOCS7 rs3748726 genotype frequency, the TT/TC/CC genotypes made up 89%/9%/1% in the patient group and 91%/8%/1% in the control group. Conclusion The polymorphisms of SOCS3 rs4969169 and SOCS7 rs3748726 were found to have no effective role in the pathogenesis of psoriasis. This is the first study to investigate this topic, and further studies with larger, more ethnically diverse samples are encouraged.
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Affiliation(s)
- Merve Özçep
- Department of Molecular Biology and Genetics Bulent Ecevit University Zonguldak Turkey
| | - Nilhan Atsü
- Faculty of Health Sciences Istanbul Kent University Istanbul Turkey
| | - Nilgün Solak
- Department of Dermatology Memorial Ankara Hospital Ankara Turkey
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Giuliani A, Montesanto A, Matacchione G, Graciotti L, Ramini D, Protic O, Galeazzi R, Antonicelli R, Tortato E, Bonfigli AR, Sabbatinelli J, Olivieri F. The Association between Single Nucleotide Polymorphisms, including miR-499a Genetic Variants, and Dyslipidemia in Subjects Treated with Pharmacological or Phytochemical Lipid-Lowering Agents. Int J Mol Sci 2022; 23:ijms23105617. [PMID: 35628426 PMCID: PMC9145435 DOI: 10.3390/ijms23105617] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Revised: 05/13/2022] [Accepted: 05/15/2022] [Indexed: 12/04/2022] Open
Abstract
Disorders of lipoprotein metabolism are among the major risk factors for cardiovascular disease (CVD) development. Single nucleotide polymorphisms (SNPs) have been associated with the individual variability in blood lipid profile and response to lipid-lowering treatments. Here, we genotyped 34 selected SNPs located in coding genes related to lipid metabolism, inflammation, coagulation, and a polymorphism in the MIR499 gene—a microRNA previously linked to CVD—to evaluate the association with lipid trait in subjects with moderate dyslipidemia not on lipid-lowering treatment (Treatment-naïve (TN) cohort, n = 125) and in patients treated with statins (STAT cohort, n = 302). We also explored the association between SNPs and the effect of a novel phytochemical lipid-lowering treatment in the TN cohort. We found that 6 SNPs (in the MIR499, TNFA, CETP, SOD2, and VEGFA genes) were associated with lipid traits in the TN cohort, while no association was found with the response to twelve-week phytochemical treatment. In the STAT cohort, nine SNPs (in the MIR499, CETP, CYP2C9, IL6, ABCC2, PON1, IL10, and VEGFA genes) were associated with lipid traits, three of which were in common with the TN cohort. Interestingly, in both cohorts, the presence of the rs3746444 MIR499 SNP was associated with a more favorable blood lipid profile. Our findings could add information to better understand the individual genetic variability in maintaining a low atherogenic lipid profile and the response to different lipid-lowering therapies.
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Affiliation(s)
- Angelica Giuliani
- Department of Clinical and Molecular Sciences, DISCLIMO, Università Politecnica delle Marche, 60126 Ancona, Italy; (A.G.); (G.M.); (F.O.)
| | - Alberto Montesanto
- Department of Biology, Ecology and Earth Sciences, University of Calabria, 87036 Rende, Italy;
| | - Giulia Matacchione
- Department of Clinical and Molecular Sciences, DISCLIMO, Università Politecnica delle Marche, 60126 Ancona, Italy; (A.G.); (G.M.); (F.O.)
| | - Laura Graciotti
- Department of Excellence SBSP-Biomedical Sciences and Public Health, Università Politecnica delle Marche, 60126 Ancona, Italy;
| | - Deborah Ramini
- Center of Clinical Pathology and Innovative Therapy, IRCCS INRCA, 60121 Ancona, Italy;
| | - Olga Protic
- Cardiology Unit, IRCCS INRCA, 60127 Ancona, Italy; (O.P.); (R.A.)
| | - Roberta Galeazzi
- Clinical Laboratory and Molecular Diagnostic, IRCCS INRCA, 60127 Ancona, Italy;
| | | | - Elena Tortato
- Metabolic Diseases and Diabetology Department, IRCCS INRCA, 60127 Ancona, Italy;
| | | | - Jacopo Sabbatinelli
- Department of Clinical and Molecular Sciences, DISCLIMO, Università Politecnica delle Marche, 60126 Ancona, Italy; (A.G.); (G.M.); (F.O.)
- Laboratory Medicine Unit, Azienda Ospedaliero Universitaria Ospedali Riuniti, 60126 Ancona, Italy
- Correspondence: ; Tel.: +39-0712206144
| | - Fabiola Olivieri
- Department of Clinical and Molecular Sciences, DISCLIMO, Università Politecnica delle Marche, 60126 Ancona, Italy; (A.G.); (G.M.); (F.O.)
- Center of Clinical Pathology and Innovative Therapy, IRCCS INRCA, 60121 Ancona, Italy;
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Yi C, Li J, Xin Q, Shan S, Ding E, Jin M, Li B, Li J, Liu Q. Association of microRNA polymorphisms with gastric cancer risk in the North Chinese Han population. J Cancer Res Ther 2022; 18:581-586. [DOI: 10.4103/jcrt.jcrt_74_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Ferulic Acid Alleviates Oxidative Stress-Induced Cardiomyocyte Injury by the Regulation of miR-499-5p/ p21 Signal Cascade. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:1921457. [PMID: 34917156 PMCID: PMC8670946 DOI: 10.1155/2021/1921457] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 11/17/2021] [Indexed: 11/18/2022]
Abstract
Objective To investigate the protective effects and regulatory mechanisms of ferulic acid on oxidative stress-induced cardiomyocyte injury. Methods We established a cardiomyocyte oxidative stress cell model by H2O2 treatment and a mouse heart injury model by isoprenaline infusion of male C57BL/6 mice. Ferulic acid was applied to treat oxidative stress-induced cardiomyocyte injury. DHE staining was used to detect ROS production. DNA fragmentation, TUNEL assay, and cleaved caspase-3 were used to analyze cell apoptosis. Real-time PCR and Western blotting were used to analyze miRNA and protein levels to investigate the regulatory mechanisms of ferulic acid on oxidative stress-induced cardiomyocyte injury. Results Ferulic acid pretreatment significantly inhibited H2O2- and isoprenaline-induced oxidative stress and cell apoptosis by promoting miR-499-5p expression and inhibiting p21 expression. MiR-499-5p inhibition reversed the protective effects of ferulic acid. Further study found that ferulic acid could also attenuate isoprenaline-induced mouse heart fibrosis and cell apoptosis by reducing oxidative stress, inflammation, and apoptosis in vivo. Conclusions We proved that ferulic acid protects cardiomyocytes from oxidative stress-induced injury by regulating the miR-499-5p/p21signaling pathway, which provides insight into the clinical application of ferulic acid in the treatment of cardiovascular diseases.
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Association of miR-499 Polymorphism and Its Regulatory Networks with Hashimoto Thyroiditis Susceptibility: A Population-Based Case-Control Study. Int J Mol Sci 2021; 22:ijms221810094. [PMID: 34576267 PMCID: PMC8470033 DOI: 10.3390/ijms221810094] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 09/10/2021] [Accepted: 09/13/2021] [Indexed: 12/29/2022] Open
Abstract
Hashimoto thyroiditis (HT) is a common autoimmune disorder with a strong genetic background. Several genetic factors have been suggested, yet numerous genetic contributors remain to be fully understood in HT pathogenesis. MicroRNAs (miRs) are gene expression regulators critically involved in biological processes, of which polymorphisms can alter their function, leading to pathologic conditions, including autoimmune diseases. We examined whether miR-499 rs3746444 polymorphism is associated with susceptibility to HT in an Iranian subpopulation. Furthermore, we investigated the potential interacting regulatory network of the miR-499. This case-control study included 150 HT patients and 152 healthy subjects. Genotyping of rs3746444 was performed by the PCR-RFLP method. Also, target genomic sites of the polymorphism were predicted using bioinformatics. Our results showed that miR-499 rs3746444 was positively associated with HT risk in heterozygous (OR = 3.32, 95%CI = 2.00–5.53, p < 0.001, CT vs. TT), homozygous (OR = 2.81, 95%CI = 1.30–6.10, p = 0.014, CC vs. TT), dominant (OR = 3.22, 95%CI = 1.97–5.25, p < 0.001, CT + CC vs. TT), overdominant (OR = 2.57, 95%CI = 1.62–4.09, p < 0.001, CC + TT vs. CT), and allelic (OR = 1.92, 95%CI = 1.37–2.69, p < 0.001, C vs. T) models. Mapping predicted target genes of miR-499 on tissue-specific-, co-expression-, and miR-TF networks indicated that main hub-driver nodes are implicated in regulating immune system functions, including immunorecognition and complement activity. We demonstrated that miR-499 rs3746444 is linked to HT susceptibility in our population. However, predicted regulatory networks revealed that this polymorphism is contributing to the regulation of immune system pathways.
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Association between microRNA-146a, -499a and -196a-2 SNPs and non-small cell lung cancer: a case-control study involving 2249 subjects. Biosci Rep 2021; 41:227816. [PMID: 33554246 PMCID: PMC7890400 DOI: 10.1042/bsr20201158] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 12/15/2020] [Accepted: 01/29/2021] [Indexed: 12/12/2022] Open
Abstract
MicroRNA (miR) acts as a negative regulator of gene expression. Many literatures have suggested that miRs may be involved in the process of cell proliferation, inflammation, oxidative stress, energy metabolism and epithelial–mesenchymal transition. Thus, miRs may be implicated in the occurrence of non-small cell lung cancer (NSCLC). In the current investigation, we included 2249 subjects (1193 NSCLC patients and 1056 controls) and designed a study to identify the relationship of miR-146a rs2910164 C/G, -499a rs3746444 A/G and -196a-2 rs11614913 T/C with the risk of NSCLC. The risk factors (e.g., body mass index (BMI), sex, smoking, drinking and age) was used to adjust the odds ratios (ORs) and 95% confidence intervals (CIs). After conducting a power value assessment, we did not confirm that the miR-single nucleotide polymorphisms (SNPs) genotypic distributions were different in NSCLC cases and controls. However, the association of miR-196a-2 rs11614913 with a decreased risk of NSCLC was identified in the female subgroup (adjusted P=0.005, power = 0.809 for TC vs. TT, and adjusted P=0.004, power = 0.849 for CC/TC vs. TT). In addition, gene–gene interaction analysis showed that rs11614913 TC/3746444 AA and rs11614913 CC/rs3746444 AA could also reduce the susceptibility to NSCLC (rs11614913 TC/rs3746444 AA vs. rs11614913 TT/rs3746444 AA, P=0.001, power = 0.912 and rs11614913 CC/rs3746444 AA vs. rs11614913 TT/rs3746444 AA, P=0.003, power = 0.836). In conclusion, in overall comparisons, we did not confirm that the rs2910164, rs3746444, and rs11614913 SNPs genotypic distributions were different in NSCLC cases and controls. However, this case–control study demonstrates that miR-196a-2 rs11614913 may be a protective factor for the development of NSCLC among female patients.
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Kaarthikeyan G, Jayakumar ND, Anand B. Association analysis of miR‐499 rs3746444 gene polymorphism with periodontitis. Int J Immunogenet 2020. [DOI: 10.1111/iji.12508] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Latini A, Borgiani P, De Benedittis G, D'Amato C, Greco C, Lauro D, Novelli G, Spallone V, Ciccacci C. Mitochondrial DNA Copy Number in Peripheral Blood Is Reduced in Type 2 Diabetes Patients with Polyneuropathy and Associated with a MIR499A Gene Polymorphism. DNA Cell Biol 2020; 39:1467-1472. [PMID: 32311290 DOI: 10.1089/dna.2019.5326] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Our aim was to evaluate in a cohort of 125 Italian patients with type 2 diabetes (T2D), who underwent neurological evaluation, the possible differences in the number of mitochondrial DNA copies (mtDNA) comparing positive and negative patients for cardiovascular autonomic neuropathy (CAN) or diabetic peripheral neuropathy (DPN) and comparing them with healthy controls. We also investigated a possible correlation of the number of mtDNA copies with the polymorphism rs3746444 of the MIR499A. T2D patients show a decrease in the number of mtDNA copies compared to healthy controls (p = 2 × 10-10). Dividing the T2D subjects by neurological evaluation, we found a significant mtDNA decrease in patients with DPN compared with those without (p = 0.02), while no differences were observed between subjects with and without CAN. Furthermore, the homozygous variant genotype for the polymorphism rs3746444 of MIR499A correlates with a decrease in the number of mtDNA copies, particularly in T2D patients (p = 0.009). Our data show a decrease in the number of mtDNA copies in subjects with T2D and suggest that this decrease is more evident in patients who develop DPN. Furthermore, the association of the variant allele of MIR499A with the number of mtDNA copies allows us to hypothesize a possible effect of this polymorphism in oxidative stress.
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Affiliation(s)
- Andrea Latini
- Department of Biomedicine and Prevention, Genetics Section, University of Rome Tor Vergata, Rome, Italy
| | - Paola Borgiani
- Department of Biomedicine and Prevention, Genetics Section, University of Rome Tor Vergata, Rome, Italy
| | - Giada De Benedittis
- Department of Biomedicine and Prevention, Genetics Section, University of Rome Tor Vergata, Rome, Italy
| | - Cinzia D'Amato
- Department of Systems Medicine, Endocrinology Section, University of Rome Tor Vergata, Rome, Italy
| | - Carla Greco
- Department of Systems Medicine, Endocrinology Section, University of Rome Tor Vergata, Rome, Italy
| | - Davide Lauro
- Department of Systems Medicine, Endocrinology Section, University of Rome Tor Vergata, Rome, Italy
| | - Giuseppe Novelli
- Department of Biomedicine and Prevention, Genetics Section, University of Rome Tor Vergata, Rome, Italy.,IRCCS NEUROMED, Pozzilli, Italy
| | - Vincenza Spallone
- Department of Systems Medicine, Endocrinology Section, University of Rome Tor Vergata, Rome, Italy
| | - Cinzia Ciccacci
- Department of Biomedicine and Prevention, Genetics Section, University of Rome Tor Vergata, Rome, Italy.,UniCamillus, Saint Camillus International University of Health Sciences, Rome, Italy
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de Carvalho JB, de Morais GL, Vieira TCDS, Rabelo NC, Llerena JC, Gonzalez SMDC, de Vasconcelos ATR. miRNA Genetic Variants Alter Their Secondary Structure and Expression in Patients With RASopathies Syndromes. Front Genet 2019; 10:1144. [PMID: 31798637 PMCID: PMC6863982 DOI: 10.3389/fgene.2019.01144] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 10/21/2019] [Indexed: 12/22/2022] Open
Abstract
RASopathies are a group of rare genetic diseases caused by germline mutations in genes involved in the RAS–mitogen-activated protein kinase (RAS-MAPK) pathway. Whole-exome sequencing (WES) is a powerful approach for identifying new variants in coding and noncoding DNA sequences, including miRNAs. miRNAs are fine-tuning negative regulators of gene expression. The presence of variants in miRNAs could lead to malfunctions of regulation, resulting in diseases. Here, we identified 41 variants in mature miRNAs through WES analysis in five patients with previous clinical diagnosis of RASopathies syndromes. The pathways, biological processes, and diseases that were over-represented among the target genes of the mature miRNAs harboring variants included the RAS, MAPK, RAP1, and PIK3-Akt signaling pathways, neuronal differentiation, neurogenesis and nervous system development, congenital cardiac defects (hypertrophic cardiomyopathy, dilated cardiomyopathy, and arrhythmogenic right ventricular cardiomyopathy), and the phenotypes and syndromes of RASopathies (Noonan syndrome, Legius syndrome, Costello syndrome, Cafe au lait spots multiple, subaortic stenosis, pulmonary valve stenosis, and LEOPARD syndrome). Furthermore, eight selected variants in nine mature miRNAs (hsa-miR-1304, hsa-miR-146a, hsa-miR-196a2, hsa-miR-499a/hsa-miR-499b, hsa-miR-449b, hsa-miR-548l, hsa-miR-575, and hsa-miR-593) may have caused alterations in the secondary structures of miRNA precursor. Selected miRNAs containing variants such as hsa-miR-146a-3p, hsa-miR-196a-3p, hsa-miR-548l, hsa-miR-449b-5p, hsa-miR-575, and hsa-miR499a-3p could regulate classical genes associated with Rasopathies and RAS-MAPK pathways, contributing to modify the expression pattern of miRNAs in patients. RT-qPCR expression analysis revealed four differentially expressed miRNAs that were downregulated: miRNA-146a-3p in P1, P2, P3, P4, and P5, miR-1304-3p in P2, P3, P4, and P5, miR-196a2-3p in P3, and miR-499b-5p in P1. miR-499a-3p was upregulated in P1, P3, and P5. These results indicate that miRNAs show different expression patterns when these variants are present in patients. Therefore, this study characterized the role of miRNAs harboring variants related to RASopathies for the first time and indicated the possible implications of these variants for phenotypes of RASopathies such as congenital cardiac defects and cardio-cerebrovascular diseases. The expression and existence of miRNA variants may be used in the study of biomarkers of the RASopathies.
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Affiliation(s)
- Joseane Biso de Carvalho
- Bioinformatics Laboratory (LABINFO), National Laboratory for Scientific Computing (LNCC), Petrópolis, Brazil
| | - Guilherme Loss de Morais
- Bioinformatics Laboratory (LABINFO), National Laboratory for Scientific Computing (LNCC), Petrópolis, Brazil
| | - Thays Cristine Dos Santos Vieira
- Laboratory of Genomic Medicine, National Institute of Women, Children and Adolescents Health Fernandes Figueira (IFF/FIOCRUZ), Rio de Janeiro, Brazil
| | - Natana Chaves Rabelo
- Laboratory of Genomic Medicine, National Institute of Women, Children and Adolescents Health Fernandes Figueira (IFF/FIOCRUZ), Rio de Janeiro, Brazil
| | - Juan Clinton Llerena
- Department of Medical Genetics, National Institute of Women, Children and Adolescents Health Fernades Figueira, Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, Brazil
| | - Sayonara Maria de Carvalho Gonzalez
- Laboratory of Genomic Medicine, National Institute of Women, Children and Adolescents Health Fernandes Figueira (IFF/FIOCRUZ), Rio de Janeiro, Brazil
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Wan Q, Xu T, Ding W, Zhang X, Ji X, Yu T, Yu W, Lin Z, Wang J. miR-499-5p Attenuates Mitochondrial Fission and Cell Apoptosis via p21 in Doxorubicin Cardiotoxicity. Front Genet 2019; 9:734. [PMID: 30719033 PMCID: PMC6348261 DOI: 10.3389/fgene.2018.00734] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2018] [Accepted: 12/22/2018] [Indexed: 12/24/2022] Open
Abstract
Doxorubicin (DOX) is a broad-spectrum anti-tumor drug, but its cardiotoxicity limits its clinical application. A better understanding of the molecular mechanisms underlying DOX cardiotoxicity will benefit clinical practice and remedy heart failure. Our present study observed that DOX caused cardiomyocyte (H9c2) apoptosis via the induction of abnormal mitochondrial fission. Notably, the expression levels of p21 increased in DOX-treated cardiomyocytes, and the silencing of p21 using siRNA greatly attenuated mitochondrial fission and apoptosis in cardiomyocytes. We also found that miR-499-5p could directly target p21 and attenuated DOX-induced mitochondrial fission and apoptosis. The role of the miR-499-5p-p21 axis in the prevention of DOX cardiotoxicity was also validated in the mice model. DOX treatment induced an upregulation of p21, which induced subsequent abnormal mitochondrial fission and myocardial apoptosis in mouse heart. Adenovirus-harboring miR-499-5p-overexpressing mice exhibited significantly reduced p21 expression, mitochondrial fission and myocardial apoptosis in hearts following DOX administration. The miR-499-5p-overexpressing mice also exhibited improved cardiomyocyte hypertrophy and cardiac function after DOX treatment. However, miR-499-5p was not involved in the DOX-induced apoptosis of cancer cells. Taken together, these findings reveal an emerging role of p21 in the regulation of mitochondrial fission program. miR-499-5p attenuated mitochondrial fission and DOX cardiotoxicity via the targeting of p21. These results provide new evidence for the miR-499-5p-p21 axis in the attenuation of DOX cardiotoxicity. The development of new therapeutic strategies based on the miR-499-5p-p21 axis is a promising path to overcome DOX cardiotoxicity as a chemotherapy for cancer treatment.
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Affiliation(s)
- Qinggong Wan
- Center for Regenerative Medicine, Institute for Translational Medicine, College of Medicine, Qingdao University, Qingdao, China.,School of Basic Medical Sciences, Qingdao University, Qingdao, China
| | - Tao Xu
- Center for Regenerative Medicine, Institute for Translational Medicine, College of Medicine, Qingdao University, Qingdao, China
| | - Wei Ding
- Department of Comprehensive Internal Medicine, Affiliated Hospital, Qingdao University, Qingdao, China
| | - Xuejuan Zhang
- Department of Comprehensive Internal Medicine, Affiliated Hospital, Qingdao University, Qingdao, China
| | - Xiaoyu Ji
- Center for Regenerative Medicine, Institute for Translational Medicine, College of Medicine, Qingdao University, Qingdao, China.,School of Basic Medical Sciences, Qingdao University, Qingdao, China
| | - Tao Yu
- Center for Regenerative Medicine, Institute for Translational Medicine, College of Medicine, Qingdao University, Qingdao, China
| | - Wanpeng Yu
- Center for Regenerative Medicine, Institute for Translational Medicine, College of Medicine, Qingdao University, Qingdao, China
| | - Zhijuan Lin
- Center for Regenerative Medicine, Institute for Translational Medicine, College of Medicine, Qingdao University, Qingdao, China
| | - Jianxun Wang
- Center for Regenerative Medicine, Institute for Translational Medicine, College of Medicine, Qingdao University, Qingdao, China.,School of Basic Medical Sciences, Qingdao University, Qingdao, China
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14
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Ding W, Li M, Sun T, Han D, Guo X, Chen X, Wan Q, Zhang X, Wang J. A polymorphism rs3746444 within the pre-miR-499 alters the maturation of miR-499-5p and its antiapoptotic function. J Cell Mol Med 2018; 22:5418-5428. [PMID: 30102014 PMCID: PMC6201352 DOI: 10.1111/jcmm.13813] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Accepted: 06/29/2018] [Indexed: 12/27/2022] Open
Abstract
microRNAs (miRNAs) are non‐coding RNAs that function as post‐transcriptional regulators of cardiac development and cardiovascular diseases. Single nucleotide polymorphisms (SNPs) in miRNA genes are a novel class of genetic variations in the human genome that confer the risk of cardiovascular diseases. Here, we identified a polymorphism A→G (rs3746444) in miR‐499 precursor (pre‐miR‐499) that affects the maturation of miR‐499‐5p and alters its antiapoptotic function by converting stable A‐U base pair to wobble G‐U base pair in pre‐miR‐499 secondary structure. Furthermore, our results showed that the concentrations of plasma miR‐499‐5p could be correlated with myocardial infarction (MI) and heart failure (HF) patients in comparison with control subjects and polymorphism rs3746444 in miR‐499 could influence its abundance in plasma. Finally, our results also showed that the variant of polymorphism in miR‐499 influenced the severity of the myocardial infarction significantly. This is the first report to highlight the biological significance of this polymorphism on the maturation of miR‐499‐5p and its antiapoptotic role during MI. These findings may pave a way to better understand the individual variability based on miRNA SNPs in heart diseases and may contribute to better treatment for disease severity on a personalized level.
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Affiliation(s)
- Wei Ding
- Department of General Medicine, The Affiliated Hospital, Qingdao University, Qingdao, China
| | - Mengyang Li
- Institute for Translational Medicine, Qingdao University, Qingdao, China
| | - Teng Sun
- Institute for Translational Medicine, Qingdao University, Qingdao, China
| | - Di Han
- Department of General Medicine, The Affiliated Hospital, Qingdao University, Qingdao, China
| | - Xiaoci Guo
- Department of General Medicine, The Affiliated Hospital, Qingdao University, Qingdao, China
| | - Xiao Chen
- Institute for Translational Medicine, Qingdao University, Qingdao, China
| | - Qinggong Wan
- Institute for Translational Medicine, Qingdao University, Qingdao, China
| | - Xuejuan Zhang
- Department of General Medicine, The Affiliated Hospital, Qingdao University, Qingdao, China
| | - Jianxun Wang
- Institute for Translational Medicine, Qingdao University, Qingdao, China
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