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Rencuzogulları O, Yerlikaya PO, Gürkan AÇ, Arısan ED, Telci D. Palbociclib negatively regulates fatty acid synthesis due to upregulation of AMPKα and miR-33a levels to increase apoptosis in Panc-1 and MiaPaCa-2 cells. Biotechnol Appl Biochem 2021; 69:342-354. [PMID: 33538066 DOI: 10.1002/bab.2113] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 01/10/2021] [Indexed: 12/11/2022]
Abstract
Fatty acids (FAs) synthesis mechanism has various regulators such as fatty acid synthase (FASN), AMP-regulated protein kinase (AMPK), or mammalian target of rapamycin (mTOR), which are aberrantly dysregulated in various pancreatic cancer cells. In this study, we aim to understand the regulatory role of palbociclib, a CDK4/6 inhibitor, on the cellular energy metabolism through regulation of AMPK/mTOR signaling by modulation of intracellular miR-33a levels in Panc-1 and MiaPaCa-2 cells. Palbociclib downregulated FAs metabolism more effectively in MiaPaCa-2 cells than Panc-1 cells. Moreover, palbociclib treatment increased the levels of miR-33a in each cell line albeit a higher increase was evident in MiaPaCa-2 cells. Stress-mediated activation of mTOR signaling axis was found associated with palbociclib-mediated AMPKα activation and miR33a upregulation. These findings provided that a deeper understanding about possible interactions of cell cycle activity and reduction of FAs synthesis may facilitate the enhancement of cell death mechanisms in pancreatic cancer cells.
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Affiliation(s)
- Ozge Rencuzogulları
- Department of Molecular Biology and Genetics, Science and Literature Faculty, Istanbul Kultur University, Istanbul, Turkey.,Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Istanbul, Turkey
| | - Pınar Obakan Yerlikaya
- Department of Molecular Biology and Genetics, Science and Literature Faculty, Istanbul Kultur University, Istanbul, Turkey
| | - Ajda Çoker Gürkan
- Department of Molecular Biology and Genetics, Science and Literature Faculty, Istanbul Kultur University, Istanbul, Turkey
| | - Elif Damla Arısan
- Department of Biotechnology, Institute of Biotechnology, Gebze Technical University, Gebze, Kocaeli, Turkey
| | - Dilek Telci
- Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Istanbul, Turkey
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Citrin KM, Fernández-Hernando C, Suárez Y. MicroRNA regulation of cholesterol metabolism. Ann N Y Acad Sci 2021; 1495:55-77. [PMID: 33521946 DOI: 10.1111/nyas.14566] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 12/27/2020] [Accepted: 01/09/2021] [Indexed: 12/17/2022]
Abstract
MicroRNAs are small noncoding RNAs that regulate gene expression at the posttranscriptional level. Since many microRNAs have multiple mRNA targets, they are uniquely positioned to regulate the expression of several molecules and pathways simultaneously. For example, the multiple stages of cholesterol metabolism are heavily influenced by microRNA activity. Understanding the scope of microRNAs that control this pathway is highly relevant to diseases of perturbed cholesterol metabolism, most notably cardiovascular disease (CVD). Atherosclerosis is a common cause of CVD that involves inflammation and the accumulation of cholesterol-laden cells in the arterial wall. However, several different cell types participate in atherosclerosis, and perturbations in cholesterol homeostasis may have unique effects on the specialized functions of these various cell types. Therefore, our review discusses the current knowledge of microRNA-mediated control of cholesterol homeostasis, followed by speculation as to how these microRNA-mRNA target interactions might have distinctive effects on different cell types that participate in atherosclerosis.
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Affiliation(s)
- Kathryn M Citrin
- Department of Comparative Medicine and Department of Pathology, Integrative Cell Signaling and Neurobiology of Metabolism Program, and the Vascular Biology and Therapeutics Program, Yale University School of Medicine, New Haven, Connecticut.,Department of Cellular and Molecular Physiology, Yale University School of Medicine, New Haven, Connecticut
| | - Carlos Fernández-Hernando
- Department of Comparative Medicine and Department of Pathology, Integrative Cell Signaling and Neurobiology of Metabolism Program, and the Vascular Biology and Therapeutics Program, Yale University School of Medicine, New Haven, Connecticut
| | - Yajaira Suárez
- Department of Comparative Medicine and Department of Pathology, Integrative Cell Signaling and Neurobiology of Metabolism Program, and the Vascular Biology and Therapeutics Program, Yale University School of Medicine, New Haven, Connecticut
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Strain-Specific Effects of Bifidobacterium longum on Hypercholesterolemic Rats and Potential Mechanisms. Int J Mol Sci 2021; 22:ijms22031305. [PMID: 33525627 PMCID: PMC7866116 DOI: 10.3390/ijms22031305] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 01/14/2021] [Accepted: 01/26/2021] [Indexed: 01/03/2023] Open
Abstract
Hypercholesterolemia is an independent risk factor of cardiovascular disease, which is among the major causes of death worldwide. The aim of this study was to explore whether Bifidobacterium longum strains exerted intra-species differences in cholesterol-lowering effects in hypercholesterolemic rats and to investigate the potential mechanisms. SD rats underwent gavage with each B. longum strain (CCFM 1077, I3, J3 and B3) daily for 28 days. B. longum CCFM 1077 exerted the most potent cholesterol-lowering effect, followed by B. longum I3 and B3, whereas B. longum B3 had no effect in alleviating hypercholesterolemia. Divergent alleviation of different B. longum strains on hypercholesterolemia can be attributed to the differences in bile salt deconjugation ability and cholesterol assimilation ability in vitro. By 16S rRNA metagenomics analysis, the relative abundance of beneficial genus increased in the B. longum CCFM 1077 treatment group. The expression of key genes involved in cholesterol metabolism were also altered after the B. longum CCFM 1077 treatment. In conclusion, B. longum exhibits strain-specific effects in the alleviation of hypercholesterolemia, mainly due to differences in bacterial characteristics, bile salt deconjugation ability, cholesterol assimilation ability, expressions of key genes involved in cholesterol metabolism and alterations of gut microbiota.
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Expression analysis of porcine miR-33a/b in liver, adipose tissue and muscle and its potential role in fatty acid metabolism. PLoS One 2021; 16:e0245858. [PMID: 33497399 PMCID: PMC7837490 DOI: 10.1371/journal.pone.0245858] [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: 05/11/2020] [Accepted: 01/09/2021] [Indexed: 11/19/2022] Open
Abstract
mir-33a and mir-33b are co-transcribed with the SREBF2 and SREBF1 transcription factors, respectively. The main role of SREBF1 is the regulation of genes involved in fatty acid metabolism, while SREBF2 regulates genes participating in cholesterol biosynthesis and uptake. Our objective was to study the expression of both miR-33a and miR-33b, together with their host SREBF genes, in liver, adipose tissue and muscle to better understand the role of miR-33a/b in the lipid metabolism of pigs. In our study, the expression of miR-33a, miR-33b and SREBF2 in liver, adipose tissue, and muscle was studied in 42 BC1_LD (25% Iberian x 75% Landrace backcross) pigs by RT-qPCR. In addition, the expression of in-silico predicted target genes and fatty acid composition traits were correlated with the miR-33a/b expression. We observed different tissue expression patterns for both miRNAs. In adipose tissue and muscle a high correlation between miR-33a and miR-33b expression was found, whereas a lower correlation was observed in liver. The expression analysis of in-silico predicted target-lipid related genes showed negative correlations between miR-33b and CPT1A expression in liver. Conversely, positive correlations between miR-33a and PPARGC1A and USF1 gene expression in liver were observed. Lastly, positive and negative correlations between miR-33a/b expression and saturated fatty acid (SFA) and polyunsaturated fatty acid (PUFA) content, respectively, were identified. Overall, our results suggested that both miRNAs are differentially regulated and have distinct functions in liver, in contrast to muscle and adipose tissue. Furthermore, the correlations between miR-33a/b expression both with the expression of in-silico predicted target-lipid related genes and with fatty acid composition, opens new avenues to explore the role of miR33a/b in the regulation of lipid metabolism.
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Saeidi L, Shahrokhi SZ, Sadatamini M, Jafarzadeh M, Kazerouni F. Can circulating miR-7-1-5p, and miR-33a-5p be used as markers of T2D patients? Arch Physiol Biochem 2021; 129:771-777. [PMID: 33476198 DOI: 10.1080/13813455.2021.1871762] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
PURPOSE Recent evidence has indicated that miRNAs play an important role in both initiation and progression of many pathologic processes such as diabetes and can be used as an important and more sensitive tool to predict the development of the disease than the currently used biomarkers. This research aimed at comparing miR-7-5p and miR-33a-5p expression levels in the diabetics and pre-diabetics with the control group. METHODS In this study, we compared expression of miR-7-5p and miR-33a-5p in plasma of three groups including pre-diabetic patients (n = 20), T2D patients (n = 20) and control group (n = 20), using RT-qPCR. Biochemical parameters were measured by auto-analyser. In silico analysis was performed to identify potential target genes of these miRNAs. RESULTS Compared to the controls, miR-7-1-5p expression was down regulated in the pre-diabetics and the T2D patients; whereas, miR-33a-5p was expressed at higher levels in the T2D patients compared to the control group. Both miRs were correlated with glycaemic status such as FBS and HbA1c levels. The ROC analysis indicated a significant ability for miR-33a-5p in discriminating between the diabetics and the healthy individuals. In silico analysis suggests that both miRs affect biological pathways related to T2DM pathogenesis, such as MAPK, and insulin signalling pathway. CONCLUSION Our results demonstrated that the miR-7-1-5p and miR-33a-5p expression levels are deregulated in the diabetics and pre-diabetics. Furthermore, miR-33a-5p showed significant ability in discriminating between diabetics and healthy individuals, suggesting a potential diagnostic use of miRNAs in type-2 diabetes detection.
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Affiliation(s)
- Leyla Saeidi
- Department of Medical Laboratory Sciences, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Seyedeh Zahra Shahrokhi
- Department of Medical Laboratory Sciences, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mirsaber Sadatamini
- Shohada Hospital, ShahidBeheshti University of Medical Sciences, Tehran, Iran
| | - Meisam Jafarzadeh
- Department of Molecular Genetics, Faculty of Biological Sciences, TarbiatModares University, Tehran, Iran
| | - Faranak Kazerouni
- Department of Medical Laboratory Sciences, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Wang Q, Pan Y, Zhao B, Qiao L, Liu J, Liang Y, Liu W. MiR-33a inhibits the adipogenic differentiation of ovine adipose-derived stromal vascular fraction cells by targeting SIRT6. Domest Anim Endocrinol 2021; 74:106513. [PMID: 32653737 DOI: 10.1016/j.domaniend.2020.106513] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 03/21/2020] [Accepted: 06/13/2020] [Indexed: 11/18/2022]
Abstract
Adipose tissue is important for the regulation of energy balance through its metabolic, cellular, and endocrine functions. Furthermore, the excessive storage of subcutaneous fat can seriously affect the health and carcass traits of domestic animals. Stromal vascular fraction (SVF) cell adipogenic differentiation increases the number of differentiated adipocytes and plays a role in lipid deposition. The adipogenic differentiation of SVF cells is regulated by various factors, including microRNAs and cytokines. Sirt6 and miR-33a are known to be involved in metabolism and adipogenesis, respectively; however, their effects on the adipogenic differentiation of ovine SVF cells were previously unknown. Thus, the aim of this study was to investigate this. The results showed that SIRT6 is a binding target for miR-33a. Moreover, overexpression or inhibition of miR-33a was found to change the expression of SIRT6 messenger RNA and protein. Furthermore, modulating SIRT6 altered the expression of adipogenic marker genes. In addition, miR-33a and SIRT6 were found to play opposing roles in adipogenesis. Specifically, we demonstrated that miR-33a is involved in the negative regulation of ovine SVF cell adipogenic differentiation by inhibiting the expression of SIRT6. These findings reveal a key role for miR-33a and SIRT6 in adipogenesis, which will enrich our understanding of the regulatory factors associated with SVF cell adipogenic differentiation and provide a basis for further study on this process.
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Affiliation(s)
- Q Wang
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Y Pan
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - B Zhao
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - L Qiao
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - J Liu
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Y Liang
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - W Liu
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China.
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Ono K, Horie T, Baba O, Kimura M, Tsuji S, Rodriguez RR, Miyagawa S, Kimura T. Functional non-coding RNAs in vascular diseases. FEBS J 2020; 288:6315-6330. [PMID: 33340430 PMCID: PMC9292203 DOI: 10.1111/febs.15678] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Revised: 11/01/2020] [Accepted: 12/17/2020] [Indexed: 12/14/2022]
Abstract
Recently, advances in genomic technology such as RNA sequencing and genome‐wide profiling have enabled the identification of considerable numbers of non‐coding RNAs (ncRNAs). MicroRNAs have been studied for decades, leading to the identification of those with disease‐causing and/or protective effects in vascular disease. Although other ncRNAs such as long ncRNAs have not been fully described yet, recent studies have indicated their important functions in the development of vascular diseases. Here, we summarize the current understanding of the mechanisms and functions of ncRNAs, focusing on microRNAs, circular RNAs and long ncRNAs in vascular diseases.
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Affiliation(s)
- Koh Ono
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Japan
| | - Takahiro Horie
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Japan
| | - Osamu Baba
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Japan
| | - Masahiro Kimura
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Japan
| | - Shuhei Tsuji
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Japan
| | | | - Sawa Miyagawa
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Japan
| | - Takeshi Kimura
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Japan
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Jonas W, Schürmann A. Genetic and epigenetic factors determining NAFLD risk. Mol Metab 2020; 50:101111. [PMID: 33160101 PMCID: PMC8324682 DOI: 10.1016/j.molmet.2020.101111] [Citation(s) in RCA: 76] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 10/27/2020] [Accepted: 11/03/2020] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Hepatic steatosis is a common chronic liver disease that can progress into more severe stages of NAFLD or promote the development of life-threatening secondary diseases for some of those affected. These include the liver itself (nonalcoholic steatohepatitis or NASH; fibrosis and cirrhosis, and hepatocellular carcinoma) or other organs such as the vessels and the heart (cardiovascular disease) or the islets of Langerhans (type 2 diabetes). In addition to elevated caloric intake and a sedentary lifestyle, genetic and epigenetic predisposition contribute to the development of NAFLD and the secondary diseases. SCOPE OF REVIEW We present data from genome-wide association studies (GWAS) and functional studies in rodents which describe polymorphisms identified in genes relevant for the disease as well as changes caused by altered DNA methylation and gene regulation via specific miRNAs. The review also provides information on the current status of the use of genetic and epigenetic factors as risk markers. MAJOR CONCLUSION With our overview we provide an insight into the genetic and epigenetic landscape of NAFLD and argue about the applicability of currently defined risk scores for risk stratification and conclude that further efforts are needed to make the scores more usable and meaningful.
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Affiliation(s)
- Wenke Jonas
- Department of Experimental Diabetology, German Institute of Human Nutrition Potsdam-Rehbruecke, Arthur-Scheunert-Allee 114-116, D-14558, Nuthetal, Germany; German Center for Diabetes Research (DZD), Ingolstädter Landstraße 1, D-85764, München-Neuherberg, Germany
| | - Annette Schürmann
- Department of Experimental Diabetology, German Institute of Human Nutrition Potsdam-Rehbruecke, Arthur-Scheunert-Allee 114-116, D-14558, Nuthetal, Germany; German Center for Diabetes Research (DZD), Ingolstädter Landstraße 1, D-85764, München-Neuherberg, Germany; University of Potsdam, Institute of Nutritional Sciences, Arthur-Scheunert-Allee 114-116, D-14558, Nuthetal, Germany; Faculty of Health Sciences, Joint Faculty of the Brandenburg University of Technology, Cottbus-Senftenberg, The Brandenburg Medical School Theodor Fontane and the University of Potsdam, Potsdam, Germany.
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Srebf2 Locus Overexpression Reduces Body Weight, Total Cholesterol and Glucose Levels in Mice Fed with Two Different Diets. Nutrients 2020; 12:nu12103130. [PMID: 33066385 PMCID: PMC7602228 DOI: 10.3390/nu12103130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 10/06/2020] [Accepted: 10/10/2020] [Indexed: 11/17/2022] Open
Abstract
Macronutrients represent risk factors for hyperlipidemia or diabetes. Lipid alterations and type 2 diabetes mellitus are global health problems. Overexpression of sterol regulatory element-binding factor (Srebf2) in transgenic animals is linked to elevated cholesterol levels and diabetes development. We investigated the impact of increased Srebf2 locus expression and the effects of control and high-fat, high-sucrose (HFHS) diets on body weight, glucose and lipid metabolisms in transgenic mice (S-mice). Wild type (WT) and S-mice were fed with both diets for 16 weeks. Plasma glucose, insulin and lipids were assessed (n = 25). Immunostainings were performed in liver, pancreas and fat (N = 10). Expression of Ldlr and Hmgcr in liver was performed by RT-PCR (N = 8). Control diet: S-mice showed reduced weight, insulin, total and HDL cholesterol and triglycerides (TG). HFHS diet widened differences in weight, total and HDL cholesterol, insulin and HOMA index but increased TG in S-mice. In S-mice, adipocyte size was lower while HFHS diet produced lower increase, pancreatic β-cell mass was lower with both diets and Srebf2, Ldlr and Hmgcr mRNA levels were higher while HFHS diet produced a rise in Srebf2 and Hmgcr levels. Srebf2 complete gene overexpression seems to have beneficial effects on metabolic parameters and to protect against HFHS diet effects.
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Gliozzi M, Musolino V, Bosco F, Scicchitano M, Scarano F, Nucera S, Zito MC, Ruga S, Carresi C, Macrì R, Guarnieri L, Maiuolo J, Tavernese A, Coppoletta AR, Nicita C, Mollace R, Palma E, Muscoli C, Belzung C, Mollace V. Cholesterol homeostasis: Researching a dialogue between the brain and peripheral tissues. Pharmacol Res 2020; 163:105215. [PMID: 33007421 DOI: 10.1016/j.phrs.2020.105215] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 09/23/2020] [Accepted: 09/24/2020] [Indexed: 02/07/2023]
Abstract
Cholesterol homeostasis is a highly regulated process in human body because of its several functions underlying the biology of cell membranes, the synthesis of all steroid hormones and bile acids and the need of trafficking lipids destined to cell metabolism. In particular, it has been recognized that peripheral and central nervous system cholesterol metabolism are separated by the blood brain barrier and are regulated independently; indeed, peripherally, it depends on the balance between dietary intake and hepatic synthesis on one hand and its degradation on the other, whereas in central nervous system it is synthetized de novo to ensure brain physiology. In view of this complex metabolism and its relevant functions in mammalian, impaired levels of cholesterol can induce severe cellular dysfunction leading to metabolic, cardiovascular and neurodegenerative diseases. The aim of this review is to clarify the role of cholesterol homeostasis in health and disease highlighting new intriguing aspects of the cross talk between its central and peripheral metabolism.
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Affiliation(s)
- Micaela Gliozzi
- Institute of Research for Food Safety & Health (IRC-FSH) - Department of Health Sciences, University "Magna Graecia" of Catanzaro, Catanzaro, Italy.
| | - Vincenzo Musolino
- Institute of Research for Food Safety & Health (IRC-FSH) - Department of Health Sciences, University "Magna Graecia" of Catanzaro, Catanzaro, Italy.
| | - Francesca Bosco
- Institute of Research for Food Safety & Health (IRC-FSH) - Department of Health Sciences, University "Magna Graecia" of Catanzaro, Catanzaro, Italy.
| | - Miriam Scicchitano
- Institute of Research for Food Safety & Health (IRC-FSH) - Department of Health Sciences, University "Magna Graecia" of Catanzaro, Catanzaro, Italy.
| | - Federica Scarano
- Institute of Research for Food Safety & Health (IRC-FSH) - Department of Health Sciences, University "Magna Graecia" of Catanzaro, Catanzaro, Italy.
| | - Saverio Nucera
- Institute of Research for Food Safety & Health (IRC-FSH) - Department of Health Sciences, University "Magna Graecia" of Catanzaro, Catanzaro, Italy.
| | - Maria Caterina Zito
- Institute of Research for Food Safety & Health (IRC-FSH) - Department of Health Sciences, University "Magna Graecia" of Catanzaro, Catanzaro, Italy.
| | - Stefano Ruga
- Institute of Research for Food Safety & Health (IRC-FSH) - Department of Health Sciences, University "Magna Graecia" of Catanzaro, Catanzaro, Italy.
| | - Cristina Carresi
- Institute of Research for Food Safety & Health (IRC-FSH) - Department of Health Sciences, University "Magna Graecia" of Catanzaro, Catanzaro, Italy.
| | - Roberta Macrì
- Institute of Research for Food Safety & Health (IRC-FSH) - Department of Health Sciences, University "Magna Graecia" of Catanzaro, Catanzaro, Italy.
| | - Lorenza Guarnieri
- Institute of Research for Food Safety & Health (IRC-FSH) - Department of Health Sciences, University "Magna Graecia" of Catanzaro, Catanzaro, Italy.
| | - Jessica Maiuolo
- Institute of Research for Food Safety & Health (IRC-FSH) - Department of Health Sciences, University "Magna Graecia" of Catanzaro, Catanzaro, Italy.
| | - Annamaria Tavernese
- Division of Cardiology, University Hospital Policlinico Tor Vergata, Rome, Italy.
| | - Anna Rita Coppoletta
- Institute of Research for Food Safety & Health (IRC-FSH) - Department of Health Sciences, University "Magna Graecia" of Catanzaro, Catanzaro, Italy.
| | - Caterina Nicita
- Institute of Research for Food Safety & Health (IRC-FSH) - Department of Health Sciences, University "Magna Graecia" of Catanzaro, Catanzaro, Italy.
| | - Rocco Mollace
- Institute of Research for Food Safety & Health (IRC-FSH) - Department of Health Sciences, University "Magna Graecia" of Catanzaro, Catanzaro, Italy.
| | - Ernesto Palma
- Institute of Research for Food Safety & Health (IRC-FSH) - Department of Health Sciences, University "Magna Graecia" of Catanzaro, Catanzaro, Italy.
| | - Carolina Muscoli
- Institute of Research for Food Safety & Health (IRC-FSH) - Department of Health Sciences, University "Magna Graecia" of Catanzaro, Catanzaro, Italy; IRCCS San Raffaele Pisana, Via di Valcannuta, Rome, Italy.
| | | | - Vincenzo Mollace
- Institute of Research for Food Safety & Health (IRC-FSH) - Department of Health Sciences, University "Magna Graecia" of Catanzaro, Catanzaro, Italy; IRCCS San Raffaele Pisana, Via di Valcannuta, Rome, Italy.
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Xue L, Qi H, Zhang H, Ding L, Huang Q, Zhao D, Wu BJ, Li X. Targeting SREBP-2-Regulated Mevalonate Metabolism for Cancer Therapy. Front Oncol 2020; 10:1510. [PMID: 32974183 PMCID: PMC7472741 DOI: 10.3389/fonc.2020.01510] [Citation(s) in RCA: 78] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 07/14/2020] [Indexed: 12/14/2022] Open
Abstract
Recently, targeting metabolic reprogramming has emerged as a potential therapeutic approach for fighting cancer. Sterol regulatory element binding protein-2 (SREBP-2), a basic helix-loop-helix leucine zipper transcription factor, mainly regulates genes involved in cholesterol biosynthesis and homeostasis. SREBP-2 binds to the sterol regulatory elements (SREs) in the promoters of its target genes and activates the transcription of mevalonate pathway genes, such as HMG-CoA reductase (HMGCR), mevalonate kinase and other key enzymes. In this review, we first summarized the structure of SREBP-2 and its activation and regulation by multiple signaling pathways. We then found that SREBP-2 and its regulated enzymes, including HMGCR, FPPS, SQS, and DHCR4 from the mevalonate pathway, participate in the progression of various cancers, including prostate, breast, lung, and hepatocellular cancer, as potential targets. Importantly, preclinical and clinical research demonstrated that fatostatin, statins, and N-BPs targeting SREBP-2, HMGCR, and FPPS, respectively, alone or in combination with other drugs, have been used for the treatment of different cancers. This review summarizes new insights into the critical role of the SREBP-2-regulated mevalonate pathway for cancer and its potential for targeted cancer therapy.
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Affiliation(s)
- Linyuan Xue
- Research Center of Traditional Chinese Medicine, College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Hongyu Qi
- Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, China
| | - He Zhang
- Research Center of Traditional Chinese Medicine, College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Lu Ding
- College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Qingxia Huang
- Research Center of Traditional Chinese Medicine, College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China.,Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, China
| | - Daqing Zhao
- Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, China
| | - Boyang Jason Wu
- Department of Pharmaceutical Sciences, College of Pharmacy and Pharmaceutical Sciences, Washington State University, Spokane, WA, United States
| | - Xiangyan Li
- Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, China
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Kuwabara Y, Tsuji S, Nishiga M, Izuhara M, Ito S, Nagao K, Horie T, Watanabe S, Koyama S, Kiryu H, Nakashima Y, Baba O, Nakao T, Nishino T, Sowa N, Miyasaka Y, Hatani T, Ide Y, Nakazeki F, Kimura M, Yoshida Y, Inada T, Kimura T, Ono K. Lionheart LincRNA alleviates cardiac systolic dysfunction under pressure overload. Commun Biol 2020; 3:434. [PMID: 32792557 PMCID: PMC7426859 DOI: 10.1038/s42003-020-01164-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Accepted: 07/22/2020] [Indexed: 12/05/2022] Open
Abstract
Recent high-throughput approaches have revealed a vast number of transcripts with unknown functions. Many of these transcripts are long noncoding RNAs (lncRNAs), and intergenic region-derived lncRNAs are classified as long intergenic noncoding RNAs (lincRNAs). Although Myosin heavy chain 6 (Myh6) encoding primary contractile protein is down-regulated in stressed hearts, the underlying mechanisms are not fully clarified especially in terms of lincRNAs. Here, we screen upregulated lincRNAs in pressure overloaded hearts and identify a muscle-abundant lincRNA termed Lionheart. Compared with controls, deletion of the Lionheart in mice leads to decreased systolic function and a reduction in MYH6 protein levels following pressure overload. We reveal decreased MYH6 results from an interaction between Lionheart and Purine-rich element-binding protein A after pressure overload. Furthermore, human LIONHEART levels in left ventricular biopsy specimens positively correlate with cardiac systolic function. Our results demonstrate Lionheart plays a pivotal role in cardiac remodeling via regulation of MYH6. Kuwabara et al. identify a novel long intergenic noncoding RNA (lincRNA), termed Lionheart, upregulated in pressure overloaded hearts in mice. Deleting this gene results in decreased systolic function and reduction in MYH6 protein levels following pressure overload. They demonstrate that Lionheart interacts with PURA, preventing its binding to the promoter region of Myh6 locus, leading to reduced MYH6 protein expression.
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Affiliation(s)
- Yasuhide Kuwabara
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Shuhei Tsuji
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Masataka Nishiga
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Masayasu Izuhara
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Shinji Ito
- Medical Research Support Center, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Kazuya Nagao
- Department of Cardiovascular Center, Osaka Red Cross Hospital, Osaka, Japan
| | - Takahiro Horie
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Shin Watanabe
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Satoshi Koyama
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hisanori Kiryu
- Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, University of Tokyo, Chiba, Japan
| | - Yasuhiro Nakashima
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Osamu Baba
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Tetsushi Nakao
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Tomohiro Nishino
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Naoya Sowa
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yui Miyasaka
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Takeshi Hatani
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Center for iPS Cell Research and Application, Kyoto University, Kyoto, Japan
| | - Yuya Ide
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Fumiko Nakazeki
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Masahiro Kimura
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yoshinori Yoshida
- Center for iPS Cell Research and Application, Kyoto University, Kyoto, Japan
| | - Tsukasa Inada
- Department of Cardiovascular Center, Osaka Red Cross Hospital, Osaka, Japan
| | - Takeshi Kimura
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Koh Ono
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
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63
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Human Insulin Growth Factor 2 mRNA Binding Protein 2 Increases MicroRNA 33a/b Inhibition of Liver ABCA1 Expression and Alters Low-Density Apolipoprotein Levels in Mice. Mol Cell Biol 2020; 40:MCB.00058-20. [PMID: 32482798 DOI: 10.1128/mcb.00058-20] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 05/26/2020] [Indexed: 02/06/2023] Open
Abstract
Genome-wide association studies (GWAS) have linked IGF2BP2 single-nucleotide polymorphisms (SNPs) with type 2 diabetes (T2D). Mice overexpressing mIGF2BP2 have elevated cholesterol levels when fed a diet that induces hepatic steatosis. These and other studies suggest an important role for insulin growth factor 2 mRNA binding protein 2 (IGF2BP2) in the initiation and progression of several metabolic disorders. The ATPase binding cassette protein ABCA1 initiates nascent high-density apolipoprotein (HDL) biogenesis by transferring phospholipid and cholesterol to delipidated apolipoprotein AI (ApoAI). Individuals with mutational ablation of ABCA1 have Tangier disease, which is characterized by a complete loss of HDL. MicroRNA 33a and 33b (miR-33a/b) bind to the 3' untranslated region (UTR) of ABCA1 and repress its posttranscriptional gene expression. Here, we show that IGF2BP2 works together with miR-33a/b in repressing ABCA1 expression. Our data suggest that IGF2BP2 is an accessory protein of the argonaute (AGO2)-miR-33a/b-RISC complex, as it directly binds to miR-33a/b, AGO2, and the 3' UTR of ABCA1 Finally, we show that mice overexpressing human IGF2BP2 have decreased ABCA1 expression, increased low-density lipoprotein-cholesterol (LDL-C) and cholesterol blood levels, and elevated SREBP-dependent signaling. Our data support the hypothesis that IGF2BP2 has an important role in maintaining lipid homeostasis through its modulation of ABCA1 expression, as its overexpression or loss leads to dyslipidemia.
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64
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Ono K. Prediction of Coronary Artery Disease by Measurement of Circulating MicroRNA-423-3p Levels. Circ J 2020; 84:1062-1063. [DOI: 10.1253/circj.cj-20-0478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Koh Ono
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University
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65
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Saki S, Saki N, Poustchi H, Malekzadeh R. Assessment of Genetic Aspects of Non-alcoholic Fatty Liver and Premature Cardiovascular Events. Middle East J Dig Dis 2020; 12:65-88. [PMID: 32626560 PMCID: PMC7320986 DOI: 10.34172/mejdd.2020.166] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Accepted: 03/19/2019] [Indexed: 12/12/2022] Open
Abstract
Recent evidence has demonstrated a strong interplay and multifaceted relationship between non-alcoholic fatty liver disease (NAFLD) and cardiovascular disease (CVD). CVD is the major cause of death in patients with NAFLD. NAFLD also has strong associations with diabetes and metabolic syndrome. In this comprehensive review, we aimed to overview the primary environmental and genetic risk factors of NAFLD, and CVD and also focus on the genetic aspects of these two disorders. NAFLD and CVD are both heterogeneous diseases with common genetic and molecular pathways. We have searched for the latest published articles regarding this matter and tried to provide an overview of recent insights into the genetic aspects of NAFLD and CVD. The common genetic and molecular pathways involved in NAFLD and CVD are insulin resistance (IR), subclinical inflammation, oxidative stress, and atherogenic dyslipidemia. According to an investigation, the exact associations between genomic characteristics of NAFLD and CVD and casual relationships are not fully determined. Different gene polymorphisms have been identified as the genetic components of the NAFLDCVD association. Some of the most documented ones of these gene polymorphisms are patatin-like phospholipase domain-containing protein 3 (PNPLA3), transmembrane 6 superfamily member 2 (TM6SF2), hydroxysteroid 17-beta dehydrogenase 13 (HSD17B13), adiponectin-encoding gene (ADIPOQ), apolipoprotein C3 (APOC3), peroxisome proliferator-activated receptors (PPAR), leptin receptor (LEPR), sterol regulatory element-binding proteins (SREBP), tumor necrosis factor-alpha (TNF-α), microsomal triglyceride transfer protein (MTTP), manganese superoxide dismutase (MnSOD), membrane-bound O-acyltransferase domain-containing 7 (MBOAT7), and mutation in DYRK1B that substitutes cysteine for arginine at position 102 in kinase-like domain. Further cohort studies with a significant sample size using advanced genomic assessments and next-generation sequencing techniques are needed to shed more light on genetic associations between NAFLD and CVD.
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Affiliation(s)
- Sara Saki
- Tehran University of Medical Sciences, Tehran, Iran
| | - Nader Saki
- Hoveizeh Cohort Study, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Hossein Poustchi
- Digestive Disease Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Reza Malekzadeh
- Digestive Disease Research Institute, Tehran University of Medical Sciences, Tehran, Iran
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66
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Zhang C, Chen K, Wei R, Fan G, Cai X, Xu L, Cen B, Wang J, Xie H, Zheng S, Xu X. The circFASN/miR-33a pathway participates in tacrolimus-induced dysregulation of hepatic triglyceride homeostasis. Signal Transduct Target Ther 2020; 5:23. [PMID: 32296037 PMCID: PMC7099020 DOI: 10.1038/s41392-020-0105-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2019] [Accepted: 12/12/2019] [Indexed: 12/14/2022] Open
Abstract
Dyslipidemia exhibits a high incidence after liver transplantation, in which tacrolimus, a widely used immunosuppressant, plays a fundamental role. MicroRNAs and related circRNAs represent a class of noncoding RNAs that have been recognized as important regulators of genes associated with lipid metabolism. However, their transcriptional activities and functional mechanisms in tacrolimus-related dyslipidemia remain unclear. In this study, we observed that tacrolimus could induce triglyceride accumulation in hepatocytes by stimulating sterol response element-binding proteins (SREBPs) and miR-33a. Our in silico and experimental analyses identified miR-33a as a direct target of circFASN. Tacrolimus could downregulate circFASN and result in elevated miR-33a in vivo and in vitro. Overexpression of circFASN or silencing of miR-33a decreased the promoting effects of tacrolimus on triglyceride accumulation. Clinically, the incidence of dyslipidemia in liver transplant recipients with elevated serum miR-33a after liver transplantation was higher than that in patients without elevated serum miR-33a (46.3% vs. 18.8% p = 0.012, n = 73). Our results showed that the circFASN/miR-33a regulatory system plays a distinct role in tacrolimus-induced disruption of lipid homeostasis. MiR-33a is likely a risk factor for tacrolimus-related dyslipidemia, providing a potential therapeutic target to combat tacrolimus-induced dyslipidemia after liver transplantation.
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Affiliation(s)
- Chenzhi Zhang
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, China.,Key Lab of Combined Multi-Organ Transplantation, Ministry of Public Health, Hangzhou, 310000, China
| | - Kangchen Chen
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, China.,Key Lab of Combined Multi-Organ Transplantation, Ministry of Public Health, Hangzhou, 310000, China
| | - Rongli Wei
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, China.,Key Lab of Combined Multi-Organ Transplantation, Ministry of Public Health, Hangzhou, 310000, China
| | - Guanghan Fan
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, China.,Key Lab of Combined Multi-Organ Transplantation, Ministry of Public Health, Hangzhou, 310000, China
| | - Xuechun Cai
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, China.,Key Lab of Combined Multi-Organ Transplantation, Ministry of Public Health, Hangzhou, 310000, China
| | - Li Xu
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, China.,Key Lab of Combined Multi-Organ Transplantation, Ministry of Public Health, Hangzhou, 310000, China
| | - Beini Cen
- Key Lab of Combined Multi-Organ Transplantation, Ministry of Public Health, Hangzhou, 310000, China
| | - Jianguo Wang
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, China.,Key Lab of Combined Multi-Organ Transplantation, Ministry of Public Health, Hangzhou, 310000, China
| | - Haiyang Xie
- Key Lab of Combined Multi-Organ Transplantation, Ministry of Public Health, Hangzhou, 310000, China
| | - Shusen Zheng
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, China. .,Key Lab of Combined Multi-Organ Transplantation, Ministry of Public Health, Hangzhou, 310000, China. .,Department of Hepatobiliary and Pancreatic Surgery, Shulan (Hangzhou) Hospital, Hangzhou, 310000, China.
| | - Xiao Xu
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, China. .,Key Lab of Combined Multi-Organ Transplantation, Ministry of Public Health, Hangzhou, 310000, China.
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67
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Kimura M, Horie T, Baba O, Ide Y, Tsuji S, Ruiz Rodriguez R, Watanabe T, Yamasaki T, Otani C, Xu S, Miyasaka Y, Nakashima Y, Kimura T, Ono K. Homeobox A4 suppresses vascular remodeling by repressing YAP/TEAD transcriptional activity. EMBO Rep 2020; 21:e48389. [PMID: 32147946 PMCID: PMC7132199 DOI: 10.15252/embr.201948389] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Revised: 01/31/2020] [Accepted: 02/12/2020] [Indexed: 12/20/2022] Open
Abstract
The Hippo signaling pathway is involved in the pathophysiology of various cardiovascular diseases. Yes-associated protein (YAP) and transcriptional enhancer activator domain (TEAD) transcriptional factors, the main transcriptional complex of the Hippo pathway, were recently identified as modulators of phenotypic switching of vascular smooth muscle cells (VSMCs). However, the intrinsic regulator of YAP/TEAD-mediated gene expressions involved in vascular pathophysiology remains to be elucidated. Here, we identified Homeobox A4 (HOXA4) as a potent repressor of YAP/TEAD transcriptional activity using lentiviral shRNA screen. Mechanistically, HOXA4 interacts with TEADs and attenuates YAP/TEAD-mediated transcription by competing with YAP for TEAD binding. We also clarified that the expression of HOXA4 is relatively abundant in the vasculature, especially in VSMCs. In vitro experiments in human VSMCs showed HOXA4 maintains the differentiation state of VSMCs via inhibition of YAP/TEAD-induced phenotypic switching. We generated Hoxa4-deficient mice and confirmed the downregulation of smooth muscle-specific contractile genes and the exacerbation of vascular remodeling after carotid artery ligation in vivo. Our results demonstrate that HOXA4 is a repressor of VSMC phenotypic switching by inhibiting YAP/TEAD-mediated transcription.
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Affiliation(s)
- Masahiro Kimura
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Takahiro Horie
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Osamu Baba
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yuya Ide
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Shuhei Tsuji
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Randolph Ruiz Rodriguez
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Toshimitsu Watanabe
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Tomohiro Yamasaki
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Chiharu Otani
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Sijia Xu
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yui Miyasaka
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yasuhiro Nakashima
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Takeshi Kimura
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Koh Ono
- Department of Cardiovascular Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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68
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Meng X, Yin J, Yu X, Guo Y. MicroRNA-205-5p Promotes Unstable Atherosclerotic Plaque Formation In Vivo. Cardiovasc Drugs Ther 2020; 34:25-39. [PMID: 32034643 DOI: 10.1007/s10557-020-06935-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
PURPOSE Atherosclerosis is a narrowing of the arteries caused by plaque buildup. MicroRNAs (miRNAs) have been proposed to participate in the pathogenesis of atherosclerosis. Here, we aimed to investigate miR-205-5p's role in promoting atherosclerotic progression. METHODS Knock-in (KI) mice with human/murine miR-205-5p within the murine host gene for miR-205 (MIR205HG) were crossed with apolipoprotein E knockout (Apoe-/-) mice. This miR-205KI Apoe-/- murine model was employed to study the impact of miR-205-5p in Apoe-/- mice susceptible to atherosclerotic plaque formation. RESULTS miR-205KI Apoe-/-mice developed larger, more unstable plaques relative to their Apoe-/- counterparts (0.45 vs. 0.26 mm2, P < 0.001). miR-205KI Apoe-/- mice exhibited lower serum levels of high-density lipoprotein cholesterol (HDL-C) (5.18 vs. 19.31 mg/dL, P < 0.001) and triglycerides (32.79 vs. 156.76 mg/dL, P < 0.001) with system-wide reversal of cholesterol transport. Macrophages derived from miR-205KI Apoe-/- mice exhibited ~ 20% lowered cholesterol efflux capability with enhanced pro-inflammatory gene expression through lipid raft formation. Bone marrow transplantation demonstrated that bone marrow (BM) donor cells with miR-205-5pKI simulated plaque formation independent of the recipients' miR-205-5p status. CONCLUSIONS miR-205-5p encourages unstable atherogenesis in vivo. miR-205-5p also adversely influences lipid metabolism and promotes a pro-inflammatory macrophage phenotype. Our findings advocate miR-205-5p as a potential therapeutic target for combating unstable atherogenesis.
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Affiliation(s)
- Xiandong Meng
- Department of Cardiology, The First People's Hospital of Keerqin District, No. 328, Keerqin Street, Keerqin District, Tongliao City, Inner Mongolia, China.
| | - Jianjiao Yin
- Department of Ophthalmology, The First People's Hospital of Keerqin District, Tongliao City, Inner Mongolia, China
| | - Xinli Yu
- Department of Cardiology, The First People's Hospital of Keerqin District, No. 328, Keerqin Street, Keerqin District, Tongliao City, Inner Mongolia, China
| | - Yonggang Guo
- Department of Medical Service, The First People's Hospital of Keerqin District, Tongliao City, Inner Mongolia, China
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69
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Mirzadeh Azad F, Arabian M, Maleki M, Malakootian M. Small Molecules with Big Impacts on Cardiovascular Diseases. Biochem Genet 2020; 58:359-383. [PMID: 31997044 DOI: 10.1007/s10528-020-09948-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2019] [Accepted: 01/13/2020] [Indexed: 12/22/2022]
Abstract
Cardiovascular diseases (CVDs) are the leading cause of morbidity and mortality worldwide. Although in recent years there has been a significant progress in the diagnosis, treatment, and prognosis of CVD, but due to their complex pathobiology, developing novel biomarkers and therapeutic interventions are still in need. MicroRNAs (miRNAs) are a fraction of non-coding RNAs that act as micro-regulators of gene expression. Mounting evidences over the last decade confirmed that microRNAs were deregulated in several CVDs and manipulating their expression could affect homeostasis, differentiation, and function of cardiovascular system. Here, we review the current knowledge concerning the roles of miRNAs in cardiovascular diseases with more details on cardiac remodeling, arrhythmias, and atherosclerosis. In addition, we discuss the latest findings on the potential therapeutic applications of miRNAs in cardiovascular diseases.
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Affiliation(s)
- Fatemeh Mirzadeh Azad
- Department of Molecular Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Maedeh Arabian
- Cardiogenetic Research Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Majid Maleki
- Cardiogenetic Research Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Mahshid Malakootian
- Cardiogenetic Research Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran.
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70
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Li Q, Lu Z, Jin M, Fei X, Quan K, Liu Y, Ma L, Chu M, Wang H, Wei C. Verification and Analysis of Sheep Tail Type-Associated PDGF-D Gene Polymorphisms. Animals (Basel) 2020; 10:ani10010089. [PMID: 31935823 PMCID: PMC7022463 DOI: 10.3390/ani10010089] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 12/25/2019] [Accepted: 12/29/2019] [Indexed: 12/12/2022] Open
Abstract
Simple Summary PDGF-D can be considered a candidate gene for selection for sheep tail type. This study investigated genetic variation of the PDGF-D gene in sheep with different tail types verified at a cellular level and revealed the molecular mechanism of PDGF-D in sheep tail fat deposition. We detected a total of two SNPs among 533 sheep. g.4122606 C > G site was significantly correlated with tail length, and g.3852134 C > T site was significantly correlated with tail width. In addition, overexpression of PDGF-D in sheep preadipocytes can promote adipogenic differentiation. The PDGF-D gene may participate in sheep tail fat deposition and could be used for molecular marker-assisted selection of sheep tail type. Abstract The aim of this study was to examine the correlation between the platelet-derived growth factor-D (PDGF-D) gene and sheep tail type character and explore the potential underlying mechanism. A total of 533 sheep were included in this study. Polymorphic sites were examined by Pool-seq, and individual genotype identification and correlation analysis between tail type data were conducted using the matrix-assisted laser desorption/ionization time-of-flight mass spectrometer (MALDI-TOF-MS) method. JASPART website was used to predict transcription factor binding sites in the promoter region with and without PDGF-D gene mutation. The effect of PDGF-D on adipogenic differentiation of sheep preadipocytes was investigated. Two single nucleotide polymorphism sites were identified: g.4122606 C > G site was significantly correlated with tail length, and g.3852134 C > T site was significantly correlated with tail width. g.3852134 C > T was located in the promoter region. Six transcription factor binding sites were eliminated after promoter mutation, and three new transcription factor binding sites appeared. Expression levels of peroxisome proliferator-activated receptor gamma (PPARγ) and lipoproteinlipase (LPL) were significantly up-regulated upon PDGF-D overexpression. Oil red O staining showed increased small and large oil drops in the PDGF-D overexpression group. Together these results indicate the PDGF-D gene is an important gene controlling sheep tail shape and regulating sheep tail fat deposition to a certain degree.
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Affiliation(s)
- Qing Li
- Key Laboratory of Animal Genetics and Breeding and Reproduction of Ministry of Agriculture, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (Q.L.); (M.J.); (X.F.); (L.M.); (M.C.)
| | - Zengkui Lu
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China;
| | - Meilin Jin
- Key Laboratory of Animal Genetics and Breeding and Reproduction of Ministry of Agriculture, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (Q.L.); (M.J.); (X.F.); (L.M.); (M.C.)
| | - Xiaojuan Fei
- Key Laboratory of Animal Genetics and Breeding and Reproduction of Ministry of Agriculture, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (Q.L.); (M.J.); (X.F.); (L.M.); (M.C.)
| | - Kai Quan
- College of Animal Science and Technology, Henan University of Animal Husbandry and Economy, Zhengzhou 450046, China;
| | - Yongbin Liu
- Inner Mongolia Academy of Animal Husbandry Science, Hohhot 010031, China
| | - Lin Ma
- Key Laboratory of Animal Genetics and Breeding and Reproduction of Ministry of Agriculture, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (Q.L.); (M.J.); (X.F.); (L.M.); (M.C.)
| | - Mingxing Chu
- Key Laboratory of Animal Genetics and Breeding and Reproduction of Ministry of Agriculture, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (Q.L.); (M.J.); (X.F.); (L.M.); (M.C.)
| | - Huihua Wang
- Key Laboratory of Animal Genetics and Breeding and Reproduction of Ministry of Agriculture, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (Q.L.); (M.J.); (X.F.); (L.M.); (M.C.)
- Correspondence: (H.W.); (C.W.)
| | - Caihong Wei
- Key Laboratory of Animal Genetics and Breeding and Reproduction of Ministry of Agriculture, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (Q.L.); (M.J.); (X.F.); (L.M.); (M.C.)
- Correspondence: (H.W.); (C.W.)
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71
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Nagata A, Akagi Y, Asano L, Kotake K, Kawagoe F, Mendoza A, Masoud SS, Usuda K, Yasui K, Takemoto Y, Kittaka A, Nagasawa K, Uesugi M. Synthetic Chemical Probes That Dissect Vitamin D Activities. ACS Chem Biol 2019; 14:2851-2858. [PMID: 31618573 DOI: 10.1021/acschembio.9b00718] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Vitamin D3 metabolites are capable of controlling gene expression in mammalian cells through two independent pathways: vitamin D receptor (VDR) and sterol regulatory element-binding protein (SREBP) pathways. In the present study, we dissect the complex biological activity of vitamin D by designing synthetic vitamin D3 analogs specific for VDR or SREBP pathway, i.e., a VDR activator that lacks SREBP inhibitory activity, or an SREBP inhibitor devoid of VDR activity. These synthetic vitamin D probes permitted identification of one of the vitamin D-responsive genes, Soat1, as an SREBP-suppressed gene. The chemical probes developed in the present study may prove useful in dissecting the intricate interplay of vitamin D actions, thereby providing insights into how vitamin D target genes are regulated.
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Affiliation(s)
- Akiko Nagata
- Department of Biotechnology and Life Science, Graduate School of Technology, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei city, Tokyo 184-8588, Japan
| | - Yusuke Akagi
- Department of Biotechnology and Life Science, Graduate School of Technology, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei city, Tokyo 184-8588, Japan
| | | | | | - Fumihiro Kawagoe
- Faculty of Pharmaceutical Sciences, Teikyo University, 2-11-1 Kaga, Itabashi, Tokyo 173-8605, Japan
| | | | - Shadi Sedghi Masoud
- Department of Biotechnology and Life Science, Graduate School of Technology, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei city, Tokyo 184-8588, Japan
| | - Kosuke Usuda
- Department of Biotechnology and Life Science, Graduate School of Technology, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei city, Tokyo 184-8588, Japan
| | - Koji Yasui
- Department of Biotechnology and Life Science, Graduate School of Technology, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei city, Tokyo 184-8588, Japan
| | | | - Atsushi Kittaka
- Faculty of Pharmaceutical Sciences, Teikyo University, 2-11-1 Kaga, Itabashi, Tokyo 173-8605, Japan
| | - Kazuo Nagasawa
- Department of Biotechnology and Life Science, Graduate School of Technology, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei city, Tokyo 184-8588, Japan
| | - Motonari Uesugi
- CREST, AMED 1-7-1 Otemachi, Chiyoda-ku, Tokyo 100-0004, Japan
- School of Pharmacy, Fudan University, Shanghai 201203, China
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Huesca-Gómez C, Torres-Paz YE, Martínez-Alvarado R, Fuentevilla-Álvarez G, Del Valle-Mondragón L, Torres-Tamayo M, Soto ME, Gamboa R. Association between the transporters ABCA1/G1 and the expression of miR-33a/144 and the carotid intima media thickness in patients with arterial hypertension. Mol Biol Rep 2019; 47:1321-1329. [PMID: 31853766 DOI: 10.1007/s11033-019-05229-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 12/07/2019] [Indexed: 12/22/2022]
Abstract
ATP-binding cassette membrane transporters (ABC), functions as an outflow facilitator of phospholipids and cellular cholesterol, playing an important role in the development of atherosclerosis and arterial hypertension. ABC's transporters could post-transcriptionally regulated by miRs. Evaluate the association in the transporters ABCA1 and ABCG1 with the expression of miR-33a and miR-144 and the carotid intima media thickness (cIMT) in patients with essential arterial hypertension. The miR-33a-5p, miR-144-3p and mRNA ABCA1 and ABCG1 expression in monocytes from Mexican hypertensive patients were examined by RT-PCR. The miR-33a and miR-144 expression in monocytes and mRNA ABCA1 and ABCG1 from Mexican hypertensive patients were examined by RT-PCR. This study involved 84 subjects (42 normotensive subjects and 42 patients with essential hypertension). Our study revealed that miR-33a expression (p = 0.001) and miR-144 (p = 0.985) were up-regulated, meanwhile, ABCA1 and ABCG1 transporters were down-regulated (p = 0.007 and p = 0.550 respectively) in hypertensive patients compared with the control group. The trend remains for miR33a/ABCA1 in presence of cIMT. Moreover, an inverse correlation was found with the expression levels of ABCA1 and ABCG1 as well as in HDL-C with miR-33a and miR-144. Our results showed an increase in the expression of miR-33a and miR-144 and an inverse correlation in their target ABCA1 and ABCG1; it may be associated with essential arterial hypertension in patients with cIMT and as consequence for atheromatous plaque.
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Affiliation(s)
- Claudia Huesca-Gómez
- Department of Physiology, Instituto Nacional de Cardiología "Ignacio Chávez", Juan Badiano No 1, Col. Sección XVI, C.P. 14080, Mexico City, Mexico
| | - Yazmín Estela Torres-Paz
- Department of Physiology, Instituto Nacional de Cardiología "Ignacio Chávez", Juan Badiano No 1, Col. Sección XVI, C.P. 14080, Mexico City, Mexico
| | - Rocío Martínez-Alvarado
- Department of Endocrinology, Instituto Nacional de Cardiología "Ignacio Chávez", Mexico City, Mexico
| | - Giovanny Fuentevilla-Álvarez
- Department of Physiology, Instituto Nacional de Cardiología "Ignacio Chávez", Juan Badiano No 1, Col. Sección XVI, C.P. 14080, Mexico City, Mexico
| | | | - Margarita Torres-Tamayo
- Department of Endocrinology, Instituto Nacional de Cardiología "Ignacio Chávez", Mexico City, Mexico
| | - Ma Elena Soto
- Department of Immunology, Instituto Nacional de Cardiología "Ignacio Chávez", Mexico City, Mexico
| | - Ricardo Gamboa
- Department of Physiology, Instituto Nacional de Cardiología "Ignacio Chávez", Juan Badiano No 1, Col. Sección XVI, C.P. 14080, Mexico City, Mexico.
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Wang D, Yang Y, Lei Y, Tzvetkov NT, Liu X, Yeung AWK, Xu S, Atanasov AG. Targeting Foam Cell Formation in Atherosclerosis: Therapeutic Potential of Natural Products. Pharmacol Rev 2019; 71:596-670. [PMID: 31554644 DOI: 10.1124/pr.118.017178] [Citation(s) in RCA: 114] [Impact Index Per Article: 22.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Foam cell formation and further accumulation in the subendothelial space of the vascular wall is a hallmark of atherosclerotic lesions. Targeting foam cell formation in the atherosclerotic lesions can be a promising approach to treat and prevent atherosclerosis. The formation of foam cells is determined by the balanced effects of three major interrelated biologic processes, including lipid uptake, cholesterol esterification, and cholesterol efflux. Natural products are a promising source for new lead structures. Multiple natural products and pharmaceutical agents can inhibit foam cell formation and thus exhibit antiatherosclerotic capacity by suppressing lipid uptake, cholesterol esterification, and/or promoting cholesterol ester hydrolysis and cholesterol efflux. This review summarizes recent findings on these three biologic processes and natural products with demonstrated potential to target such processes. Discussed also are potential future directions for studying the mechanisms of foam cell formation and the development of foam cell-targeted therapeutic strategies.
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Affiliation(s)
- Dongdong Wang
- The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China (D.W., X.L.); Department of Molecular Biology, Institute of Genetics and Animal Breeding of the Polish Academy of Sciences, Jastrzębiec, Poland (D.W., Y.Y., Y.L., A.G.A.); Department of Pharmacognosy, University of Vienna, Vienna, Austria (A.G.A.); Institute of Clinical Chemistry, University Hospital Zurich, Schlieren, Switzerland (D.W.); Institute of Molecular Biology "Roumen Tsanev," Department of Biochemical Pharmacology and Drug Design, Bulgarian Academy of Sciences, Sofia, Bulgaria (N.T.T.); Pharmaceutical Institute, University of Bonn, Bonn, Germany (N.T.T.); Aab Cardiovascular Research Institute, Department of Medicine, University of Rochester, Rochester, New York (S.X.); Oral and Maxillofacial Radiology, Applied Oral Sciences and Community Dental Care, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China (A.W.K.Y.); and Institute of Neurobiology, Bulgarian Academy of Sciences, Sofia, Bulgaria (A.G.A.)
| | - Yang Yang
- The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China (D.W., X.L.); Department of Molecular Biology, Institute of Genetics and Animal Breeding of the Polish Academy of Sciences, Jastrzębiec, Poland (D.W., Y.Y., Y.L., A.G.A.); Department of Pharmacognosy, University of Vienna, Vienna, Austria (A.G.A.); Institute of Clinical Chemistry, University Hospital Zurich, Schlieren, Switzerland (D.W.); Institute of Molecular Biology "Roumen Tsanev," Department of Biochemical Pharmacology and Drug Design, Bulgarian Academy of Sciences, Sofia, Bulgaria (N.T.T.); Pharmaceutical Institute, University of Bonn, Bonn, Germany (N.T.T.); Aab Cardiovascular Research Institute, Department of Medicine, University of Rochester, Rochester, New York (S.X.); Oral and Maxillofacial Radiology, Applied Oral Sciences and Community Dental Care, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China (A.W.K.Y.); and Institute of Neurobiology, Bulgarian Academy of Sciences, Sofia, Bulgaria (A.G.A.)
| | - Yingnan Lei
- The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China (D.W., X.L.); Department of Molecular Biology, Institute of Genetics and Animal Breeding of the Polish Academy of Sciences, Jastrzębiec, Poland (D.W., Y.Y., Y.L., A.G.A.); Department of Pharmacognosy, University of Vienna, Vienna, Austria (A.G.A.); Institute of Clinical Chemistry, University Hospital Zurich, Schlieren, Switzerland (D.W.); Institute of Molecular Biology "Roumen Tsanev," Department of Biochemical Pharmacology and Drug Design, Bulgarian Academy of Sciences, Sofia, Bulgaria (N.T.T.); Pharmaceutical Institute, University of Bonn, Bonn, Germany (N.T.T.); Aab Cardiovascular Research Institute, Department of Medicine, University of Rochester, Rochester, New York (S.X.); Oral and Maxillofacial Radiology, Applied Oral Sciences and Community Dental Care, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China (A.W.K.Y.); and Institute of Neurobiology, Bulgarian Academy of Sciences, Sofia, Bulgaria (A.G.A.)
| | - Nikolay T Tzvetkov
- The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China (D.W., X.L.); Department of Molecular Biology, Institute of Genetics and Animal Breeding of the Polish Academy of Sciences, Jastrzębiec, Poland (D.W., Y.Y., Y.L., A.G.A.); Department of Pharmacognosy, University of Vienna, Vienna, Austria (A.G.A.); Institute of Clinical Chemistry, University Hospital Zurich, Schlieren, Switzerland (D.W.); Institute of Molecular Biology "Roumen Tsanev," Department of Biochemical Pharmacology and Drug Design, Bulgarian Academy of Sciences, Sofia, Bulgaria (N.T.T.); Pharmaceutical Institute, University of Bonn, Bonn, Germany (N.T.T.); Aab Cardiovascular Research Institute, Department of Medicine, University of Rochester, Rochester, New York (S.X.); Oral and Maxillofacial Radiology, Applied Oral Sciences and Community Dental Care, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China (A.W.K.Y.); and Institute of Neurobiology, Bulgarian Academy of Sciences, Sofia, Bulgaria (A.G.A.)
| | - Xingde Liu
- The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China (D.W., X.L.); Department of Molecular Biology, Institute of Genetics and Animal Breeding of the Polish Academy of Sciences, Jastrzębiec, Poland (D.W., Y.Y., Y.L., A.G.A.); Department of Pharmacognosy, University of Vienna, Vienna, Austria (A.G.A.); Institute of Clinical Chemistry, University Hospital Zurich, Schlieren, Switzerland (D.W.); Institute of Molecular Biology "Roumen Tsanev," Department of Biochemical Pharmacology and Drug Design, Bulgarian Academy of Sciences, Sofia, Bulgaria (N.T.T.); Pharmaceutical Institute, University of Bonn, Bonn, Germany (N.T.T.); Aab Cardiovascular Research Institute, Department of Medicine, University of Rochester, Rochester, New York (S.X.); Oral and Maxillofacial Radiology, Applied Oral Sciences and Community Dental Care, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China (A.W.K.Y.); and Institute of Neurobiology, Bulgarian Academy of Sciences, Sofia, Bulgaria (A.G.A.)
| | - Andy Wai Kan Yeung
- The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China (D.W., X.L.); Department of Molecular Biology, Institute of Genetics and Animal Breeding of the Polish Academy of Sciences, Jastrzębiec, Poland (D.W., Y.Y., Y.L., A.G.A.); Department of Pharmacognosy, University of Vienna, Vienna, Austria (A.G.A.); Institute of Clinical Chemistry, University Hospital Zurich, Schlieren, Switzerland (D.W.); Institute of Molecular Biology "Roumen Tsanev," Department of Biochemical Pharmacology and Drug Design, Bulgarian Academy of Sciences, Sofia, Bulgaria (N.T.T.); Pharmaceutical Institute, University of Bonn, Bonn, Germany (N.T.T.); Aab Cardiovascular Research Institute, Department of Medicine, University of Rochester, Rochester, New York (S.X.); Oral and Maxillofacial Radiology, Applied Oral Sciences and Community Dental Care, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China (A.W.K.Y.); and Institute of Neurobiology, Bulgarian Academy of Sciences, Sofia, Bulgaria (A.G.A.)
| | - Suowen Xu
- The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China (D.W., X.L.); Department of Molecular Biology, Institute of Genetics and Animal Breeding of the Polish Academy of Sciences, Jastrzębiec, Poland (D.W., Y.Y., Y.L., A.G.A.); Department of Pharmacognosy, University of Vienna, Vienna, Austria (A.G.A.); Institute of Clinical Chemistry, University Hospital Zurich, Schlieren, Switzerland (D.W.); Institute of Molecular Biology "Roumen Tsanev," Department of Biochemical Pharmacology and Drug Design, Bulgarian Academy of Sciences, Sofia, Bulgaria (N.T.T.); Pharmaceutical Institute, University of Bonn, Bonn, Germany (N.T.T.); Aab Cardiovascular Research Institute, Department of Medicine, University of Rochester, Rochester, New York (S.X.); Oral and Maxillofacial Radiology, Applied Oral Sciences and Community Dental Care, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China (A.W.K.Y.); and Institute of Neurobiology, Bulgarian Academy of Sciences, Sofia, Bulgaria (A.G.A.)
| | - Atanas G Atanasov
- The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China (D.W., X.L.); Department of Molecular Biology, Institute of Genetics and Animal Breeding of the Polish Academy of Sciences, Jastrzębiec, Poland (D.W., Y.Y., Y.L., A.G.A.); Department of Pharmacognosy, University of Vienna, Vienna, Austria (A.G.A.); Institute of Clinical Chemistry, University Hospital Zurich, Schlieren, Switzerland (D.W.); Institute of Molecular Biology "Roumen Tsanev," Department of Biochemical Pharmacology and Drug Design, Bulgarian Academy of Sciences, Sofia, Bulgaria (N.T.T.); Pharmaceutical Institute, University of Bonn, Bonn, Germany (N.T.T.); Aab Cardiovascular Research Institute, Department of Medicine, University of Rochester, Rochester, New York (S.X.); Oral and Maxillofacial Radiology, Applied Oral Sciences and Community Dental Care, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China (A.W.K.Y.); and Institute of Neurobiology, Bulgarian Academy of Sciences, Sofia, Bulgaria (A.G.A.)
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Sopeyin A, Zhou L, Li M, Barakat L, Paintsil E. Dysregulation of sterol regulatory element-binding protein 2 gene in HIV treatment-experienced individuals. PLoS One 2019; 14:e0226573. [PMID: 31846498 PMCID: PMC6917281 DOI: 10.1371/journal.pone.0226573] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Accepted: 11/28/2019] [Indexed: 12/11/2022] Open
Abstract
Although antiretroviral therapy (ART) has resulted in a marked decrease in AIDS-related morbidity and mortality, the therapeutic benefit is often limited by side effects such as metabolic derangement such as lipodystrophy and hyperlipidemia and cardiovascular diseases. These side effects are pervasive in people living with HIV (PLWH). However, the underlying mechanisms are not completely understood. We investigated the effects of ART on cholesterol biosynthesis genes. This is a retrospective analysis of data and specimens collected during a cross-sectional, case-control study of ART-induced toxicity. Cases were HIV treatment-experienced individuals with HIV viral suppression and no diagnosis of ART-associated toxicity (n = 18), and controls were HIV-uninfected individuals (n = 18). The mRNA expressions of 3-hydroxy-3-methylglutaryl-coenzyme A reductase (HMGCR) and ATP binding cassette transporter A1 (ABCA1) were significantly upregulated in cases (HIV+) compared to controls (HIV-), as well as the corresponding protein expression level of HMGCR. We observed dysregulation between sterol regulatory element-binding protein 2 (SREBP-2, sensory control) and HMGCR and low-density lipoprotein receptor (LDLR) pathways. Dysregulation of cholesterol biosynthesis genes may predate clinical manifestation of ART-induced lipid abnormalities.
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Affiliation(s)
- Anuoluwapo Sopeyin
- Department of Pediatrics, Yale University School of Medicine, New Haven, Connecticut, United States of America
| | - Lei Zhou
- Department of Pediatrics, Yale University School of Medicine, New Haven, Connecticut, United States of America
| | - Min Li
- Department of Pediatrics, Yale University School of Medicine, New Haven, Connecticut, United States of America
| | - Lydia Barakat
- Department of Medicine, Yale University School of Medicine, New Haven, Connecticut, United States of America
| | - Elijah Paintsil
- Department of Pediatrics, Yale University School of Medicine, New Haven, Connecticut, United States of America
- Department of Pharmacology, Yale University School of Medicine, New Haven, Connecticut, United States of America
- School of Public Health, Yale University, New Haven, Connecticut, United States of America
- * E-mail:
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75
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Mechanisms and regulation of cholesterol homeostasis. Nat Rev Mol Cell Biol 2019; 21:225-245. [DOI: 10.1038/s41580-019-0190-7] [Citation(s) in RCA: 450] [Impact Index Per Article: 90.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/24/2019] [Indexed: 12/14/2022]
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Anti-ApoA-1 IgGs in Familial Hypercholesterolemia Display Paradoxical Associations with Lipid Profile and Promote Foam Cell Formation. J Clin Med 2019; 8:jcm8122035. [PMID: 31766415 PMCID: PMC6947407 DOI: 10.3390/jcm8122035] [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: 11/05/2019] [Accepted: 11/18/2019] [Indexed: 02/06/2023] Open
Abstract
AIMS Anti-Apolipoprotein A-1 autoantibodies (anti-ApoA-1 IgG) promote atherogenesis via innate immune receptors, and may impair cellular cholesterol homeostasis (CH). We explored the presence of anti-ApoA-1 IgG in children (5-15 years old) with or without familial hypercholesterolemia (FH), analyzing their association with lipid profiles, and studied their in vitro effects on foam cell formation, gene regulation, and their functional impact on cholesterol passive diffusion (PD). METHODS Anti-ApoA-1 IgG and lipid profiles were measured on 29 FH and 25 healthy children. The impact of anti-ApoA-1 IgG on key CH regulators (SREBP2, HMGCR, LDL-R, ABCA1, and miR-33a) and foam cell formation detected by Oil Red O staining were assessed using human monocyte-derived macrophages. PD experiments were performed using a validated THP-1 macrophage model. RESULTS Prevalence of high anti-ApoA-1 IgG levels (seropositivity) was about 38% in both study groups. FH children seropositive for anti-ApoA-1 IgG had significant lower total cholesterol LDL and miR-33a levels than those who were seronegative. On macrophages, anti-ApoA-1 IgG induced foam cell formation in a toll-like receptor (TLR) 2/4-dependent manner, accompanied by NF-kB- and AP1-dependent increases of SREBP-2, LDL-R, and HMGCR. Despite increased ABCA1 and decreased mature miR-33a expression, the increased ACAT activity decreased membrane free cholesterol, functionally culminating to PD inhibition. CONCLUSIONS Anti-ApoA-1 IgG seropositivity is frequent in children, unrelated to FH, and paradoxically associated with a favorable lipid profile. In vitro, anti-ApoA-1 IgG induced foam cell formation through a complex interplay between innate immune receptors and key cholesterol homeostasis regulators, functionally impairing the PD cholesterol efflux capacity of macrophages.
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Nishino T, Horie T, Baba O, Sowa N, Hanada R, Kuwabara Y, Nakao T, Nishiga M, Nishi H, Nakashima Y, Nakazeki F, Ide Y, Koyama S, Kimura M, Nagata M, Yoshida K, Takagi Y, Nakamura T, Hasegawa K, Miyamoto S, Kimura T, Ono K. SREBF1/MicroRNA-33b Axis Exhibits Potent Effect on Unstable Atherosclerotic Plaque Formation In Vivo. Arterioscler Thromb Vasc Biol 2019; 38:2460-2473. [PMID: 30354203 DOI: 10.1161/atvbaha.118.311409] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Objective- Atherosclerosis is a common disease caused by a variety of metabolic and inflammatory disturbances. MicroRNA (miR)-33a within SREBF2 (sterol regulatory element-binding factor 2) is a potent target for treatment of atherosclerosis through regulating both aspects; however, the involvement of miR-33b within SREBF1 remains largely unknown. Although their host genes difference could lead to functional divergence of miR-33a/b, we cannot dissect the roles of miR-33a/b in vivo because of lack of miR-33b sequences in mice, unlike human. Approach and Results- Here, we analyzed the development of atherosclerosis using miR-33b knock-in humanized mice under apolipoprotein E-deficient background. MiR-33b is prominent both in human and mice on atheroprone condition. MiR-33b reduced serum high-density lipoprotein cholesterol levels and systemic reverse cholesterol transport. MiR-33b knock-in macrophages showed less cholesterol efflux capacity and higher inflammatory state via regulating lipid rafts. Thus, miR-33b promotes vulnerable atherosclerotic plaque formation. Furthermore, bone marrow transplantation experiments strengthen proatherogenic roles of macrophage miR-33b. Conclusions- Our data demonstrated critical roles of SREBF1-miR-33b axis on both lipid profiles and macrophage phenotype remodeling and indicate that miR-33b is a promising target for treating atherosclerosis.
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Affiliation(s)
- Tomohiro Nishino
- From the Departments of Cardiovascular Medicine (T.N., T.H., O.B., N.S., R.H., Y.K., T.N., M.N., H.N., Y.N., F.N., Y.I., S.K., M.K., T.K., K.O.), Graduate School of Medicine, Kyoto University, Japan
| | - Takahiro Horie
- From the Departments of Cardiovascular Medicine (T.N., T.H., O.B., N.S., R.H., Y.K., T.N., M.N., H.N., Y.N., F.N., Y.I., S.K., M.K., T.K., K.O.), Graduate School of Medicine, Kyoto University, Japan
| | - Osamu Baba
- From the Departments of Cardiovascular Medicine (T.N., T.H., O.B., N.S., R.H., Y.K., T.N., M.N., H.N., Y.N., F.N., Y.I., S.K., M.K., T.K., K.O.), Graduate School of Medicine, Kyoto University, Japan
| | - Naoya Sowa
- From the Departments of Cardiovascular Medicine (T.N., T.H., O.B., N.S., R.H., Y.K., T.N., M.N., H.N., Y.N., F.N., Y.I., S.K., M.K., T.K., K.O.), Graduate School of Medicine, Kyoto University, Japan
| | - Ritsuko Hanada
- From the Departments of Cardiovascular Medicine (T.N., T.H., O.B., N.S., R.H., Y.K., T.N., M.N., H.N., Y.N., F.N., Y.I., S.K., M.K., T.K., K.O.), Graduate School of Medicine, Kyoto University, Japan
| | - Yasuhide Kuwabara
- From the Departments of Cardiovascular Medicine (T.N., T.H., O.B., N.S., R.H., Y.K., T.N., M.N., H.N., Y.N., F.N., Y.I., S.K., M.K., T.K., K.O.), Graduate School of Medicine, Kyoto University, Japan
| | - Tetsushi Nakao
- From the Departments of Cardiovascular Medicine (T.N., T.H., O.B., N.S., R.H., Y.K., T.N., M.N., H.N., Y.N., F.N., Y.I., S.K., M.K., T.K., K.O.), Graduate School of Medicine, Kyoto University, Japan
| | - Masataka Nishiga
- From the Departments of Cardiovascular Medicine (T.N., T.H., O.B., N.S., R.H., Y.K., T.N., M.N., H.N., Y.N., F.N., Y.I., S.K., M.K., T.K., K.O.), Graduate School of Medicine, Kyoto University, Japan
| | - Hitoo Nishi
- From the Departments of Cardiovascular Medicine (T.N., T.H., O.B., N.S., R.H., Y.K., T.N., M.N., H.N., Y.N., F.N., Y.I., S.K., M.K., T.K., K.O.), Graduate School of Medicine, Kyoto University, Japan
| | - Yasuhiro Nakashima
- From the Departments of Cardiovascular Medicine (T.N., T.H., O.B., N.S., R.H., Y.K., T.N., M.N., H.N., Y.N., F.N., Y.I., S.K., M.K., T.K., K.O.), Graduate School of Medicine, Kyoto University, Japan
| | - Fumiko Nakazeki
- From the Departments of Cardiovascular Medicine (T.N., T.H., O.B., N.S., R.H., Y.K., T.N., M.N., H.N., Y.N., F.N., Y.I., S.K., M.K., T.K., K.O.), Graduate School of Medicine, Kyoto University, Japan
| | - Yuya Ide
- From the Departments of Cardiovascular Medicine (T.N., T.H., O.B., N.S., R.H., Y.K., T.N., M.N., H.N., Y.N., F.N., Y.I., S.K., M.K., T.K., K.O.), Graduate School of Medicine, Kyoto University, Japan
| | - Satoshi Koyama
- From the Departments of Cardiovascular Medicine (T.N., T.H., O.B., N.S., R.H., Y.K., T.N., M.N., H.N., Y.N., F.N., Y.I., S.K., M.K., T.K., K.O.), Graduate School of Medicine, Kyoto University, Japan
| | - Masahiro Kimura
- From the Departments of Cardiovascular Medicine (T.N., T.H., O.B., N.S., R.H., Y.K., T.N., M.N., H.N., Y.N., F.N., Y.I., S.K., M.K., T.K., K.O.), Graduate School of Medicine, Kyoto University, Japan
| | - Manabu Nagata
- Neurosurgery (M.N., K.Y., Y.T., S.M.), Graduate School of Medicine, Kyoto University, Japan
| | - Kazumichi Yoshida
- Neurosurgery (M.N., K.Y., Y.T., S.M.), Graduate School of Medicine, Kyoto University, Japan
| | - Yasushi Takagi
- Neurosurgery (M.N., K.Y., Y.T., S.M.), Graduate School of Medicine, Kyoto University, Japan
| | - Tomoyuki Nakamura
- Department of Pharmacology, Kansai Medical University, Moriguchi, Japan (T.N.)
| | - Koji Hasegawa
- Division of Translational Research, Clinical Research Institute, National Hospital Organization Kyoto Medical Center, Japan (K.H.)
| | - Susumu Miyamoto
- Neurosurgery (M.N., K.Y., Y.T., S.M.), Graduate School of Medicine, Kyoto University, Japan
| | - Takeshi Kimura
- From the Departments of Cardiovascular Medicine (T.N., T.H., O.B., N.S., R.H., Y.K., T.N., M.N., H.N., Y.N., F.N., Y.I., S.K., M.K., T.K., K.O.), Graduate School of Medicine, Kyoto University, Japan
| | - Koh Ono
- From the Departments of Cardiovascular Medicine (T.N., T.H., O.B., N.S., R.H., Y.K., T.N., M.N., H.N., Y.N., F.N., Y.I., S.K., M.K., T.K., K.O.), Graduate School of Medicine, Kyoto University, Japan
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Sun JJ, Zheng LG, Chen CY, Zhang JY, You CH, Zhang QH, Ma HY, Monroig Ó, Tocher DR, Wang SQ, Li YY. MicroRNAs Involved in the Regulation of LC-PUFA Biosynthesis in Teleosts: miR-33 Enhances LC-PUFA Biosynthesis in Siganus canaliculatus by Targeting insig1 which in Turn Upregulates srebp1. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2019; 21:475-487. [PMID: 31020472 DOI: 10.1007/s10126-019-09895-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Accepted: 03/19/2019] [Indexed: 06/09/2023]
Abstract
Post-transcriptional regulatory mechanisms play important roles in the regulation of LC-PUFA biosynthesis. Our previous study revealed that miR-33 could increase the expression of fatty acyl desaturases (fads2) in the rabbitfish Siganus canaliculatus, but the specific mechanism is unknown. Here, we confirmed that miR-33 could target the 3'UTR of insulin-induced gene 1 (insig1), resulting in downregulation of its protein level in the rabbitfish hepatocyte line (SCHL). In vitro overexpression of miR-33 inhibited the mRNA level of insig1 and increased the mRNA levels of Δ6Δ5 fads2 and elovl5, as well as srebp1. In SCHL cells, proteolytic activation of sterol-regulatory-element-binding protein-1 (Srebp1) was blocked by Insig1, with overexpression of insig1 decreasing mature Srebp1 level, while inhibition of insig1 led to the opposite effect. Srebp1 could enhance the promoter activity of Δ6Δ5 fads2 and elovl5, whose expression levels decreased with knockdown of srebp1 in SCHL. Overexpression of miR-33 also resulted in a higher conversion of 18:3n-3 to 18:4n-3 and 20:5n-3 to 22:5n-3, linked to desaturation and elongation via Δ6Δ5 Fads2 and Elovl5, respectively. The results suggested that the mechanism by which miR-33 regulates LC-PUFA biosynthesis in rabbitfish is through enhancing the expression of srebp1 by targeting insig1. The findings here provide more insight to the mechanism of miRNAs involvement in the regulation of LC-PUFA biosynthesis in teleosts.
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Affiliation(s)
- Jun Jun Sun
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China
| | - Li Guo Zheng
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China
| | - Cui Ying Chen
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China
| | - Jin Ying Zhang
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China
| | - Cui Hong You
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China
| | - Qing Hao Zhang
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China
| | - Hong Yu Ma
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China
| | - Óscar Monroig
- Instituto de Acuicultura Torre de la Sal, Consejo Superior de Investigaciones Científicas (IATS-CSIC), 12595 Ribera de Cabanes, Castellón, Spain
| | - Douglas R Tocher
- Institute of Aquaculture, Faculty of Natural Sciences, University of Stirling, Stirling, Scotland, FK9 4LA, UK
| | - Shu Qi Wang
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China.
| | - Yuan You Li
- School of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China.
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79
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Hussain MM, Goldberg IJ. Human MicroRNA-33b Promotes Atherosclerosis in Apoe -/- Mice. Arterioscler Thromb Vasc Biol 2019; 38:2272-2275. [PMID: 30354227 DOI: 10.1161/atvbaha.118.311617] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- M Mahmood Hussain
- From the Diabetes and Obesity Research Center, NYU Winthrop Hospital, Mineola, NY; and Division of Endocrinology, Diabetes, and Metabolism, NYU School of Medicine, NYU Langone Health, New York
| | - Ira J Goldberg
- From the Diabetes and Obesity Research Center, NYU Winthrop Hospital, Mineola, NY; and Division of Endocrinology, Diabetes, and Metabolism, NYU School of Medicine, NYU Langone Health, New York
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80
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Koyama S, Horie T, Nishino T, Baba O, Sowa N, Miyasaka Y, Kuwabara Y, Nakao T, Nishiga M, Nishi H, Nakashima Y, Nakazeki F, Ide Y, Kimura M, Tsuji S, Ruiz Rodriguez R, Xu S, Yamasaki T, Otani C, Watanabe T, Nakamura T, Hasegawa K, Kimura T, Ono K. Identification of Differential Roles of MicroRNA-33a and -33b During Atherosclerosis Progression With Genetically Modified Mice. J Am Heart Assoc 2019; 8:e012609. [PMID: 31242815 PMCID: PMC6662357 DOI: 10.1161/jaha.119.012609] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Background MicroRNA (miR)‐33 targets cholesterol transporter ATP‐binding cassette protein A1 and other antiatherogenic targets and contributes to atherogenic progression. Its inhibition or deletion is known to result in the amelioration of atherosclerosis in mice. However, mice lack the other member of the miR‐33 family, miR‐33b, which exists in humans and other large mammals. Thus, precise evaluation and comparison of the responsibilities of these 2 miRs during the progression of atherosclerosis has not been reported, although they are essential. Methods and Results In this study, we performed a comprehensive analysis of the difference between the function of miR‐33a and miR‐33b using genetically modified mice. We generated 4 strains with or without miR‐33a and miR‐33b. Comparison between mice with only miR‐33a (wild‐type mice) and mice with only miR‐33b (miR‐33a−/−/miR‐33b+/+) revealed the dominant expression of miR‐33b in the liver. To evaluate the whole body atherogenic potency of miR‐33a and miR‐33b, we developed apolipoprotein E–deficient/miR‐33a+/+/miR‐33b−/− mice and apolipoprotein E–deficient/miR‐33a−/−/miR‐33b+/+ mice. With a high‐fat and high‐cholesterol diet, the apolipoprotein E–deficient/miR‐33a−/−/miR‐33b+/+ mice developed increased atherosclerotic plaque versus apolipoprotein E–deficient/miR‐33a+/+/miR‐33b−/− mice, in line with the predominant expression of miR‐33b in the liver and worsened serum cholesterol profile. By contrast, a bone marrow transplantation study showed no significant difference, which was consistent with the relevant expression levels of miR‐33a and miR‐33b in bone marrow cells. Conclusions The miR‐33 family exhibits differences in distribution and regulation and particularly in the progression of atherosclerosis; miR‐33b would be more potent than miR‐33a.
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Affiliation(s)
- Satoshi Koyama
- 1 Department of Cardiovascular Medicine Graduate School of Medicine Kyoto University Kyoto Japan
| | - Takahiro Horie
- 1 Department of Cardiovascular Medicine Graduate School of Medicine Kyoto University Kyoto Japan
| | - Tomohiro Nishino
- 1 Department of Cardiovascular Medicine Graduate School of Medicine Kyoto University Kyoto Japan
| | - Osamu Baba
- 1 Department of Cardiovascular Medicine Graduate School of Medicine Kyoto University Kyoto Japan
| | - Naoya Sowa
- 1 Department of Cardiovascular Medicine Graduate School of Medicine Kyoto University Kyoto Japan
| | - Yui Miyasaka
- 1 Department of Cardiovascular Medicine Graduate School of Medicine Kyoto University Kyoto Japan
| | - Yasuhide Kuwabara
- 1 Department of Cardiovascular Medicine Graduate School of Medicine Kyoto University Kyoto Japan
| | - Tetsushi Nakao
- 1 Department of Cardiovascular Medicine Graduate School of Medicine Kyoto University Kyoto Japan
| | - Masataka Nishiga
- 1 Department of Cardiovascular Medicine Graduate School of Medicine Kyoto University Kyoto Japan
| | - Hitoo Nishi
- 1 Department of Cardiovascular Medicine Graduate School of Medicine Kyoto University Kyoto Japan
| | - Yasuhiro Nakashima
- 1 Department of Cardiovascular Medicine Graduate School of Medicine Kyoto University Kyoto Japan
| | - Fumiko Nakazeki
- 1 Department of Cardiovascular Medicine Graduate School of Medicine Kyoto University Kyoto Japan
| | - Yuya Ide
- 1 Department of Cardiovascular Medicine Graduate School of Medicine Kyoto University Kyoto Japan
| | - Masahiro Kimura
- 1 Department of Cardiovascular Medicine Graduate School of Medicine Kyoto University Kyoto Japan
| | - Shuhei Tsuji
- 1 Department of Cardiovascular Medicine Graduate School of Medicine Kyoto University Kyoto Japan
| | - Randolph Ruiz Rodriguez
- 1 Department of Cardiovascular Medicine Graduate School of Medicine Kyoto University Kyoto Japan
| | - Sijia Xu
- 1 Department of Cardiovascular Medicine Graduate School of Medicine Kyoto University Kyoto Japan
| | - Tomohiro Yamasaki
- 1 Department of Cardiovascular Medicine Graduate School of Medicine Kyoto University Kyoto Japan
| | - Chiharu Otani
- 1 Department of Cardiovascular Medicine Graduate School of Medicine Kyoto University Kyoto Japan
| | - Toshimitsu Watanabe
- 1 Department of Cardiovascular Medicine Graduate School of Medicine Kyoto University Kyoto Japan
| | - Tomoyuki Nakamura
- 2 Department of Pharmacology Kansai Medical University Hirakata Japan
| | - Koji Hasegawa
- 3 Division of Translational Research Clinical Research Institute National Hospital Organization Kyoto Medical Center Kyoto Japan
| | - Takeshi Kimura
- 1 Department of Cardiovascular Medicine Graduate School of Medicine Kyoto University Kyoto Japan
| | - Koh Ono
- 1 Department of Cardiovascular Medicine Graduate School of Medicine Kyoto University Kyoto Japan
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81
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Nguyen MA, Wyatt H, Susser L, Geoffrion M, Rasheed A, Duchez AC, Cottee ML, Afolayan E, Farah E, Kahiel Z, Côté M, Gadde S, Rayner KJ. Delivery of MicroRNAs by Chitosan Nanoparticles to Functionally Alter Macrophage Cholesterol Efflux in Vitro and in Vivo. ACS NANO 2019; 13:6491-6505. [PMID: 31125197 DOI: 10.1021/acsnano.8b09679] [Citation(s) in RCA: 84] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
The prevention and treatment of cardiovascular diseases (CVD) has largely focused on lowering circulating LDL cholesterol, yet a significant burden of atherosclerotic disease remains even when LDL is low. Recently, microRNAs (miRNAs) have emerged as exciting therapeutic targets for cardiovascular disease. miRNAs are small noncoding RNAs that post-transcriptionally regulate gene expression by degradation or translational inhibition of target mRNAs. A number of miRNAs have been found to modulate all stages of atherosclerosis, particularly those that promote the efflux of excess cholesterol from lipid-laden macrophages in the vessel wall to the liver. However, one of the major challenges of miRNA-based therapy is to achieve tissue-specific, efficient, and safe delivery of miRNAs in vivo. We sought to develop chitosan nanoparticles (chNPs) that can deliver functional miRNA mimics to macrophages and to determine if these nanoparticles can alter cholesterol efflux and reverse cholesterol transport in vivo. We developed chNPs with a size range of 150-200 nm via the ionic gelation method using tripolyphosphate (TPP) as a cross-linker. In this method, negatively charged miRNAs were encapsulated in the nanoparticles by ionic interactions with polymeric components. We then optimized the efficiency of intracellular delivery of different formulations of chitosan/TPP/miRNA to mouse macrophages. Using a well-defined miRNA with roles in macrophage cholesterol metabolism, we tested whether chNPs could deliver functional miRNAs to macrophages. We find chNPs can transfer exogenous miR-33 to naïve macrophages and reduce the expression of ABCA1, a potent miR-33 target gene, both in vitro and in vivo, confirming that miRNAs delivered via nanoparticles can escape the endosomal system and function in the RISC complex. Because miR-33 and ABCA1 play a key role in regulating the efflux of cholesterol from macrophages, we also confirmed that macrophages treated with miR-33-loaded chNPs exhibited reduced cholesterol efflux to apolipoprotein A1, further confirming functional delivery of the miRNA. In vivo, mice treated with miR33-chNPs showed decreased reverse cholesterol transport (RCT) to the plasma, liver, and feces. In contrast, when efflux-promoting miRNAs were delivered via chNPs, ABCA1 expression and cholesterol efflux into the RCT pathway were improved. Over all, miRNAs can be efficiently delivered to macrophages via nanoparticles, where they can function to regulate ABCA1 expression and cholesterol efflux, suggesting that these miRNA nanoparticles can be used in vivo to target atherosclerotic lesions.
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Affiliation(s)
- My-Anh Nguyen
- University of Ottawa Heart Institute , Ottawa , Ontario K1Y 4W7 , Canada
| | - Hailey Wyatt
- University of Ottawa Heart Institute , Ottawa , Ontario K1Y 4W7 , Canada
| | - Leah Susser
- University of Ottawa Heart Institute , Ottawa , Ontario K1Y 4W7 , Canada
| | - Michele Geoffrion
- University of Ottawa Heart Institute , Ottawa , Ontario K1Y 4W7 , Canada
| | - Adil Rasheed
- University of Ottawa Heart Institute , Ottawa , Ontario K1Y 4W7 , Canada
| | - Anne-Claire Duchez
- University of Ottawa Heart Institute , Ottawa , Ontario K1Y 4W7 , Canada
| | - Mary Lynn Cottee
- University of Ottawa Heart Institute , Ottawa , Ontario K1Y 4W7 , Canada
| | - Esther Afolayan
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine , University of Ottawa , Ottawa , Ontario K1H 8M5 , Canada
| | - Eliya Farah
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine , University of Ottawa , Ottawa , Ontario K1H 8M5 , Canada
| | - Zaina Kahiel
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine , University of Ottawa , Ottawa , Ontario K1H 8M5 , Canada
| | - Marceline Côté
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine , University of Ottawa , Ottawa , Ontario K1H 8M5 , Canada
| | - Suresh Gadde
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine , University of Ottawa , Ottawa , Ontario K1H 8M5 , Canada
| | - Katey J Rayner
- University of Ottawa Heart Institute , Ottawa , Ontario K1Y 4W7 , Canada
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine , University of Ottawa , Ottawa , Ontario K1H 8M5 , Canada
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82
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Genetic Ablation of miR-33 Increases Food Intake, Enhances Adipose Tissue Expansion, and Promotes Obesity and Insulin Resistance. Cell Rep 2019; 22:2133-2145. [PMID: 29466739 PMCID: PMC5860817 DOI: 10.1016/j.celrep.2018.01.074] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Revised: 12/22/2017] [Accepted: 01/23/2018] [Indexed: 12/12/2022] Open
Abstract
While therapeutic modulation of miRNAs provides a promising approach for numerous diseases, the promiscuous nature of miRNAs raises concern over detrimental off-target effects. miR-33 has emerged as a likely target for treatment of cardiovascular diseases. However, the deleterious effects of long-term anti-miR-33 therapies and predisposition of miR-33−/− mice to obesity and metabolic dysfunction exemplify the possible pitfalls of miRNA-based therapies. Our work provides an in-depth characterization of miR-33−/− mice and explores the mechanisms by which loss of miR-33 promotes insulin resistance in key metabolic tissues. Contrary to previous reports, our data do not support a direct role for SREBP-1-mediated lipid synthesis in promoting these effects. Alternatively, in adipose tissue of miR-33−/− mice, we observe increased pre-adipocyte proliferation, enhanced lipid uptake, and impaired lipolysis. Moreover, we demonstrate that the driving force behind these abnormalities is increased food intake, which can be prevented by pair feeding with wild-type animals.
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83
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Effects of high-fat diet on growth performance, lipid accumulation and lipid metabolism-related MicroRNA/gene expression in the liver of grass carp (Ctenopharyngodon idella). Comp Biochem Physiol B Biochem Mol Biol 2019; 234:34-40. [PMID: 31071453 DOI: 10.1016/j.cbpb.2019.04.006] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Revised: 04/22/2019] [Accepted: 04/29/2019] [Indexed: 12/18/2022]
Abstract
An 8 week experiment was conducted to evaluate the effects of dietary fat on growth and on the accumulation of lipids and the expression of lipid metabolism-related microRNAs (miRNAs) and genes in grass carp (Ctenopharyngodon idella). Two diets (normal fat diet (NFD), 60 g/kg lipid content; high fat diet (HFD), 160 g/kg lipid content) were fed to triplicate groups of 35 fish [initial weight of (40.0 ± 0.5) g]. The results showed that increased dietary fat did not lead to significant differences in the feed conversion rate (FCR) and specific growth rate (SGR) (P > .05), but the HFD significantly increased the hepatosomatic index (HSI) (P < .05). The serum high density lipoprotein-cholesterol (HDLC) level was significantly increased in the HFD group (P < .05). Oil Red O staining showed that both the size and amounts of lipid droplets in the liver of fish fed a diet with 2 g/kg lipid content increased significantly. In the liver of fish fed with 160 g/kg dietary fat, the expression of mir-33a, mir-30, mir-122 and mir-16 significantly decreased (P < .05). In contrast, the expression of sterol regulatory element-binding transcription factor 1 (SREBP1), peroxisome proliferator-activated receptor gamma (PPARγ), liver X receptor alpha (LXRα) and ATP-binding cassette transporter A1 (ABCA1) significantly increased (P < .05). In conclusion, 2 g/kg dietary fat did not influence growth but altered the expression of miRNAs and genes related to lipid metabolism in the liver of grass carp, which caused severe lipid deposition.
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84
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Diao L, Bai L, Jiang X, Li J, Zhang Q. Long‐chain noncoding RNA GAS5 mediates oxidative stress in cardiac microvascular endothelial cells injury. J Cell Physiol 2019; 234:17649-17662. [PMID: 30825202 DOI: 10.1002/jcp.28388] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 01/09/2019] [Accepted: 01/16/2019] [Indexed: 12/15/2022]
Affiliation(s)
- Liwei Diao
- Department of Cardiovascular Surgery The 2nd Affiliated Hospital of Harbin Medical University Harbin People's Republic of China
| | - Long Bai
- Department of Cardiovascular Surgery The 2nd Affiliated Hospital of Harbin Medical University Harbin People's Republic of China
| | - Xingpei Jiang
- Department of Cardiovascular Surgery The 2nd Affiliated Hospital of Harbin Medical University Harbin People's Republic of China
| | - Jianjun Li
- Department of Cardiovascular Surgery The 2nd Affiliated Hospital of Harbin Medical University Harbin People's Republic of China
| | - Qinghua Zhang
- Department of Cardiovascular Surgery The 2nd Affiliated Hospital of Harbin Medical University Harbin People's Republic of China
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85
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MiR-33a is a therapeutic target in SPG4-related hereditary spastic paraplegia human neurons. Clin Sci (Lond) 2019; 133:583-595. [PMID: 30777884 DOI: 10.1042/cs20180980] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Revised: 02/13/2019] [Accepted: 02/18/2019] [Indexed: 02/06/2023]
Abstract
Recent reports, including ours, have indicated that microRNA (miR)-33 located within the intron of sterol regulatory element binding protein (SREBP) 2 controls cholesterol homeostasis and can be a potential therapeutic target for the treatment of atherosclerosis. Here, we show that SPAST, which encodes a microtubule-severing protein called SPASTIN, was a novel target gene of miR-33 in human. Actually, the miR-33 binding site in the SPAST 3'-UTR is conserved not in mice but in mid to large mammals, and it is impossible to clarify the role of miR-33 on SPAST in mice. We demonstrated that inhibition of miR-33a, a major form of miR-33 in human neurons, via locked nucleic acid (LNA)-anti-miR ameliorated the pathological phenotype in hereditary spastic paraplegia (HSP)-SPG4 patient induced pluripotent stem cell (iPSC)-derived cortical neurons. Thus, miR-33a can be a potential therapeutic target for the treatment of HSP-SPG4.
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86
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Ali U, Lakkireddy C, Ahmed SI, Hussain SKM, Owaisi Y, Fatima M, Raksha I, Sree KD, Khannam A, Hussain SS, Kale P, Malini M, Khan MA, Vishwakarma SK, Khan AA. Quantitative epigenetic analysis reveals significance of lipid metabolism regulatory miRNA-33a in defining different categories of arthritis. Meta Gene 2019. [DOI: 10.1016/j.mgene.2018.11.013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
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87
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Yu XH, Zhang DW, Zheng XL, Tang CK. Cholesterol transport system: An integrated cholesterol transport model involved in atherosclerosis. Prog Lipid Res 2018; 73:65-91. [PMID: 30528667 DOI: 10.1016/j.plipres.2018.12.002] [Citation(s) in RCA: 136] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 10/30/2018] [Accepted: 12/01/2018] [Indexed: 02/07/2023]
Abstract
Atherosclerosis, the pathological basis of most cardiovascular disease (CVD), is closely associated with cholesterol accumulation in the arterial intima. Excessive cholesterol is removed by the reverse cholesterol transport (RCT) pathway, representing a major antiatherogenic mechanism. In addition to the RCT, other pathways are required for maintaining the whole-body cholesterol homeostasis. Thus, we propose a working model of integrated cholesterol transport, termed the cholesterol transport system (CTS), to describe body cholesterol metabolism. The novel model not only involves the classical view of RCT but also contains other steps, such as cholesterol absorption in the small intestine, low-density lipoprotein uptake by the liver, and transintestinal cholesterol excretion. Extensive studies have shown that dysfunctional CTS is one of the major causes for hypercholesterolemia and atherosclerosis. Currently, several drugs are available to improve the CTS efficiently. There are also several therapeutic approaches that have entered into clinical trials and shown considerable promise for decreasing the risk of CVD. In recent years, a variety of novel findings reveal the molecular mechanisms for the CTS and its role in the development of atherosclerosis, thereby providing novel insights into the understanding of whole-body cholesterol transport and metabolism. In this review, we summarize the latest advances in this area with an emphasis on the therapeutic potential of targeting the CTS in CVD patients.
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Affiliation(s)
- Xiao-Hua Yu
- Institute of Cardiovascular Disease, Key Laboratory for Arteriosclerology of Hunan Province, Medical Research Experiment Center, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang, Hunan 421001, China
| | - Da-Wei Zhang
- Department of Pediatrics and Group on the Molecular and Cell Biology of Lipids, University of Alberta, Alberta, Canada
| | - Xi-Long Zheng
- Department of Biochemistry and Molecular Biology, Libin Cardiovascular Institute of Alberta, Cumming School of Medicine, University of Calgary, Health Sciences Center, 3330 Hospital Dr NW, Calgary, Alberta T2N 4N1, Canada
| | - Chao-Ke Tang
- Institute of Cardiovascular Disease, Key Laboratory for Arteriosclerology of Hunan Province, Medical Research Experiment Center, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, University of South China, Hengyang, Hunan 421001, China.
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88
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MiR-205 Mediated Cu-Induced Lipid Accumulation in Yellow Catfish Pelteobagrus fulvidraco. Int J Mol Sci 2018; 19:ijms19102980. [PMID: 30274304 PMCID: PMC6213235 DOI: 10.3390/ijms19102980] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 09/20/2018] [Accepted: 09/26/2018] [Indexed: 01/15/2023] Open
Abstract
The present working hypothesis is that the Cu-induced changes in lipid metabolism may be mediated by miRNAs. Here, we describe the miRNA profile of the liver tissues of yellow catfish exposed to waterborne Cu, based on larger-scale sequencing of small RNA libraries. We identified a total of 172 distinct miRNAs. Among these miRNAs, compared to the control, mRNA expression levels of 16 miRNAs (miR-203a, 205, 1788-3p, 375, 31, 196a, 203b-3p, 2187-5p, 196d, 459-3p, 153a and miR-725, and two novel-miRNAs: chr4-1432, chr-7684) were down-regulated, and mRNA levels of miR-212 and chr20-5274 were up-regulated in Cu-exposed group. The functions of their target genes mainly involved ether lipid metabolism, glycerophospholipid metabolism, linoleic acid metabolism and α-linolenic acid metabolism. Cu exposure inhibited the expression of miR-205, whose predicted target genes were enriched in the pathway of lipid metabolism, including fas, lxrα, ddit3, lamp2, casp3a and baxa. These potential target genes were further verified by Dual-luciferase reporter gene assay. Using primary hepatocytes of yellow catfish, Cu incubation down-regulated miR-205 expression, and increased TG contents and FAS activity. LXR antagonist effectively ameliorate the Cu-induced change of TG content and FAS activity. These data suggest that down-regulation of the miRNA-205 may be an important step in Cu-induced changes in lipid metabolism in yellow catfish.
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89
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Mohajeri M, Banach M, Atkin SL, Butler AE, Ruscica M, Watts GF, Sahebkar A. MicroRNAs: Novel Molecular Targets and Response Modulators of Statin Therapy. Trends Pharmacol Sci 2018; 39:967-981. [PMID: 30249403 DOI: 10.1016/j.tips.2018.09.005] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 08/30/2018] [Accepted: 09/06/2018] [Indexed: 12/22/2022]
Abstract
Cardiovascular disease (CVD) is a major cause of death globally. Addressing cardiovascular risk factors, particularly dyslipidemia, represents the most robust clinical strategy towards reducing the CVD burden. Statins inhibit 3-hydroxy-3-methylglutaryl-CoA (HMG-CoA) reductase and represent the main therapeutic approach for lowering cholesterol and reducing plaque formation/rupture. The protective effects of statins extend beyond lowering cholesterol. MicroRNAs (miRNAs or miRs), small noncoding regulatory RNAs, likely mediate the positive pleiotropic effects of statins via modulation of lipid metabolism, enhancement of endothelial function, inhibition of inflammation, improvement of plaque stability, and immune regulation. miRNAs are implicated in statin-related interindividual variations in therapeutic response, directly via HMG-CoA reductase, or indirectly through targeting cytochrome P450 3A (CYP3A) functionality and proprotein convertase subtilisin/kexin type9 (PCSK9) biology.
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Affiliation(s)
- Mohammad Mohajeri
- Department of Medical Biotechnology, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Maciej Banach
- Department of Hypertension, WAM University Hospital Lodz, Medical University of Lodz, Zeromskiego 113, Lodz, Poland; Polish Mother's Memorial Hospital Research Institute (PMMHRI), Lodz, Poland; Cardiovascular Research Centre, University of Zielona Gora, Zielona-Gora, Poland
| | | | - Alexandra E Butler
- Diabetes Research Center, Qatar Biomedical Research Institute, Education City, Doha, Qatar
| | - Massimiliano Ruscica
- Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Milan, Italy
| | - Gerald F Watts
- Lipid Disorders Clinic, Department of Cardiology, Royal Perth Hospital, Australia; School of Medicine, Faculty of Health and Medical Sciences, University of Western Australia, Australia
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
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90
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Chen Y, Zhang S, Cao J, Zhang X. Shrimp Antiviral mja-miR-35 Targets CHI3L1 in Human M2 Macrophages and Suppresses Breast Cancer Metastasis. Front Immunol 2018; 9:2071. [PMID: 30258444 PMCID: PMC6143669 DOI: 10.3389/fimmu.2018.02071] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Accepted: 08/21/2018] [Indexed: 01/08/2023] Open
Abstract
Virus infection can change host's metabolism, while tumorigenesis results from metabolic disorder. MicroRNAs (miRNAs), crucial regulatory factors overlaying transcriptional control mechanisms, can guide metabolic homeostasis. In terms of metabolic disorder, antiviral miRNAs may have anti-tumor activity. However, this issue has not been extensively investigated. In the present study, the results revealed that shrimp mja-miR-35, which showed antiviral activity in shrimp against white spot syndrome virus (WSSV) infection, could suppress the metastasis of breast cancer by targeting human CHI3L1 gene of M2 macrophages in a cross-phylum manner. Furthermore, the feed expressing shrimp mja-miR-35 had antiviral capacity in shrimp and anti-tumor activity in humans, leading to the simultaneous control of virus infection and tumor progression. Therefore, our findings indicated that the antiviral miRNAs derived from shrimp stress responses against virus infection might be an important source of human anti-tumor drugs and miRNAs could bridge the control of aquaculture diseases and the prevention of human tumors.
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Affiliation(s)
- Yulei Chen
- College of Life Sciences, Zhejiang University, Hangzhou, China
| | - Siyuan Zhang
- College of Life Sciences, Zhejiang University, Hangzhou, China
| | - Jiao Cao
- College of Life Sciences, Zhejiang University, Hangzhou, China
| | - Xiaobo Zhang
- College of Life Sciences, Zhejiang University, Hangzhou, China.,Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
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91
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Yao ZY, Chen WB, Shao SS, Ma SZ, Yang CB, Li MZ, Zhao JJ, Gao L. Role of exosome-associated microRNA in diagnostic and therapeutic applications to metabolic disorders. J Zhejiang Univ Sci B 2018; 19:183-198. [PMID: 29504312 DOI: 10.1631/jzus.b1600490] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Metabolic disorders are classified clinically as a complex and varied group of diseases including metabolic syndrome, obesity, and diabetes mellitus. Fat toxicity, chronic inflammation, and oxidative stress, which may change cellular functions, are considered to play an essential role in the pathogenetic progress of metabolic disorders. Recent studies have found that cells secrete nanoscale vesicles containing proteins, lipids, nucleic acids, and membrane receptors, which mediate signal transduction and material transport to neighboring and distant cells. Exosomes, one type of such vesicles, are reported to participate in multiple pathological processes including tumor metastasis, atherosclerosis, chronic inflammation, and insulin resistance. Research on exosomes has focused mainly on the proteins they contain, but recently the function of exosome-associated microRNA has drawn a lot of attention. Exosome-associated microRNAs regulate the physiological function and pathological processes of metabolic disorders. They may also be useful as novel diagnostics and therapeutics given their special features of non-immunogenicity and quick extraction. In this paper, we summarize the structure, content, and functions of exosomes and the potential diagnostic and therapeutic applications of exosome-associated microRNAs in the treatment of metabolic disorders.
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Affiliation(s)
- Zhen-Yu Yao
- Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong University / Shandong Key Laboratory of Endocrinology and Lipid Metabolism / Institute of Endocrinology and Metabolism, Shandong Academy of Clinical Medicine, Jinan 250021, China
| | - Wen-Bin Chen
- Scientific Center, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - Shan-Shan Shao
- Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong University / Shandong Key Laboratory of Endocrinology and Lipid Metabolism / Institute of Endocrinology and Metabolism, Shandong Academy of Clinical Medicine, Jinan 250021, China
| | - Shi-Zhan Ma
- Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong University / Shandong Key Laboratory of Endocrinology and Lipid Metabolism / Institute of Endocrinology and Metabolism, Shandong Academy of Clinical Medicine, Jinan 250021, China
| | - Chong-Bo Yang
- Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong University / Shandong Key Laboratory of Endocrinology and Lipid Metabolism / Institute of Endocrinology and Metabolism, Shandong Academy of Clinical Medicine, Jinan 250021, China
| | - Meng-Zhu Li
- Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong University / Shandong Key Laboratory of Endocrinology and Lipid Metabolism / Institute of Endocrinology and Metabolism, Shandong Academy of Clinical Medicine, Jinan 250021, China
| | - Jia-Jun Zhao
- Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong University / Shandong Key Laboratory of Endocrinology and Lipid Metabolism / Institute of Endocrinology and Metabolism, Shandong Academy of Clinical Medicine, Jinan 250021, China
| | - Ling Gao
- Scientific Center, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
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92
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Bradbury P, Traini D, Ammit AJ, Young PM, Ong HX. Repurposing of statins via inhalation to treat lung inflammatory conditions. Adv Drug Deliv Rev 2018; 133:93-106. [PMID: 29890243 DOI: 10.1016/j.addr.2018.06.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 05/14/2018] [Accepted: 06/06/2018] [Indexed: 12/22/2022]
Abstract
Despite many therapeutic advancements over the past decade, the continued rise in chronic inflammatory lung diseases incidence has driven the need to identify and develop new therapeutic strategies, with superior efficacy to treat these diseases. Statins are one class of drug that could potentially be repurposed as an alternative treatment for chronic lung diseases. They are currently used to treat hypercholesterolemia by inhibiting the 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase, that catalyses the rate limiting step in the mevalonate biosynthesis pathway, a key intermediate in cholesterol metabolism. Recent research has identified statins to have other protective pleiotropic properties including anti-inflammatory, anti-oxidant, muco-inhibitory effects that may be beneficial for the treatment of chronic inflammatory lung diseases. However, clinical studies have yielded conflicting results. This review will summarise some of the current evidences for statins pleiotropic effects that could be applied for the treatment of chronic inflammatory lung diseases, their mechanisms of actions, and the potential to repurpose statins as an inhaled therapy, including a detailed discussion on their different physical-chemical properties and how these characteristics could ultimately affect treatment efficacies. The repurposing of statins from conventional anti-cholesterol oral therapy to inhaled anti-inflammatory formulation is promising, as it provides direct delivery to the airways, reduced risk of side effects, increased bioavailability and tailored physical-chemical properties for enhanced efficacy.
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93
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Das A, Samidurai A, Salloum FN. Deciphering Non-coding RNAs in Cardiovascular Health and Disease. Front Cardiovasc Med 2018; 5:73. [PMID: 30013975 PMCID: PMC6036139 DOI: 10.3389/fcvm.2018.00073] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Accepted: 05/29/2018] [Indexed: 12/16/2022] Open
Abstract
After being long considered as “junk” in the human genome, non-coding RNAs (ncRNAs) currently represent one of the newest frontiers in cardiovascular disease (CVD) since they have emerged in recent years as potential therapeutic targets. Different types of ncRNAs exist, including small ncRNAs that have fewer than 200 nucleotides, which are mostly known as microRNAs (miRNAs), and long ncRNAs that have more than 200 nucleotides. Recent discoveries on the role of ncRNAs in epigenetic and transcriptional regulation, atherosclerosis, myocardial ischemia/reperfusion (I/R) injury and infarction (MI), adverse cardiac remodeling and hypertrophy, insulin resistance, and diabetic cardiomyopathy prompted vast interest in exploring candidate ncRNAs for utilization as potential therapeutic targets and/or diagnostic/prognostic biomarkers in CVDs. This review will discuss our current knowledge concerning the roles of different types of ncRNAs in cardiovascular health and disease and provide some insight on the cardioprotective signaling pathways elicited by the non-coding genome. We will highlight important basic and clinical breakthroughs that support employing ncRNAs for treatment or early diagnosis of a variety of CVDs, and also depict the most relevant limitations that challenge this novel therapeutic approach.
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Affiliation(s)
- Anindita Das
- Pauley Heart Center, Division of Cardiology, Department of Internal Medicine, Virginia Commonwealth University, Richmond, VA, United States
| | - Arun Samidurai
- Pauley Heart Center, Division of Cardiology, Department of Internal Medicine, Virginia Commonwealth University, Richmond, VA, United States
| | - Fadi N Salloum
- Pauley Heart Center, Division of Cardiology, Department of Internal Medicine, Virginia Commonwealth University, Richmond, VA, United States
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94
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MicroRNA 33 Regulates the Population of Peripheral Inflammatory Ly6C high Monocytes through Dual Pathways. Mol Cell Biol 2018; 38:MCB.00604-17. [PMID: 29712758 PMCID: PMC6024165 DOI: 10.1128/mcb.00604-17] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2017] [Accepted: 04/12/2018] [Indexed: 12/11/2022] Open
Abstract
MicroRNA 33 (miR-33) targets ATP-binding cassette transporter A1 (ABCA1), and its deficiency increases serum high-density lipoprotein (HDL)-cholesterol (HDL-C) and ameliorates atherosclerosis. Although we previously reported that miR-33 deficiency increased peripheral Ly6Chigh monocytes on an ApoE-deficient background, the effect of miR-33 on the monocyte population has not been fully elucidated, especially in a wild-type (WT) background. We found that Ly6Chigh monocytes in miR-33−/− mice were decreased in peripheral blood and increased in bone marrow (BM). Expansion of myeloid progenitors and decreased apoptosis in Lin− Sca1+ c-Kit+ (LSK) cells were observed in miR-33−/− mice. A BM transplantation study and competitive repopulation assay revealed that hematopoietic miR-33 deficiency caused myeloid expansion and increased peripheral Ly6Chigh monocytes and that nonhematopoietic miR-33 deficiency caused reduced peripheral Ly6Chigh monocytes. Expression of high-mobility group AT-hook 2 (HMGA2) targeted by miR-33 increased in miR-33-deficient LSK cells, and its knockdown abolished the reduction of apoptosis. Transduction of human apolipoprotein A1 and ABCA1 in WT mouse liver increased HDL-C and reduced peripheral Ly6Chigh monocytes. These data indicate that miR-33 deficiency affects distribution of inflammatory monocytes through dual pathways. One pathway involves the enhancement of Hmga2 expression in hematopoietic stem cells to increase Ly6Chigh monocytes, and the other involves the elevation of HDL-C to decrease peripheral Ly6Chigh monocytes.
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95
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Zhang X, Price NL, Fernández-Hernando C. Non-coding RNAs in lipid metabolism. Vascul Pharmacol 2018; 114:93-102. [PMID: 29929012 DOI: 10.1016/j.vph.2018.06.011] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Revised: 05/01/2018] [Accepted: 06/13/2018] [Indexed: 12/19/2022]
Abstract
Cardiovascular disease (CVD), the leading cause of death and morbidity in the Western world, begins with lipid accumulation in the arterial wall, which is the initial step in atherogenesis. Alterations in lipid metabolism result in increased risk of cardiometabolic disorders, and treatment of lipid disorders remains the most common strategy aimed at reducing the incidence of CVD. Work done over the past decade has identified numerous classes of non-coding RNA molecules including microRNAs (miRNAs) and long-non-coding RNAs (lncRNAs) as critical regulators of gene expression involved in lipid metabolism and CVD, mostly acting at post-transcriptional level. A number of miRNAs, including miR-33, miR-122 and miR-148a, have been demonstrated to play important role in controlling the risk of CVD through regulation of cholesterol homeostasis and lipoprotein metabolism. lncRNAs are recently emerging as important regulators of lipid and lipoprotein metabolism. However, much additional work will be required to fully understand the impact of lncRNAs on CVD and lipid metabolism, due to the high abundance of lncRNAs and the poor-genetic conservation between species. This article reviews the role of miRNAs and lncRNAs in lipid and lipoprotein metabolism and their potential implications for the treatment of CVD.
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Affiliation(s)
- Xinbo Zhang
- Vascular Biology and Therapeutics Program, Integrative Cell Signaling and Neurobiology of Metabolism Program, Department of Comparative Medicine, Department of Pathology, Yale University School of Medicine, 10 Amistad St., New Haven, CT 06510. USA
| | - Nathan L Price
- Vascular Biology and Therapeutics Program, Integrative Cell Signaling and Neurobiology of Metabolism Program, Department of Comparative Medicine, Department of Pathology, Yale University School of Medicine, 10 Amistad St., New Haven, CT 06510. USA
| | - Carlos Fernández-Hernando
- Vascular Biology and Therapeutics Program, Integrative Cell Signaling and Neurobiology of Metabolism Program, Department of Comparative Medicine, Department of Pathology, Yale University School of Medicine, 10 Amistad St., New Haven, CT 06510. USA.
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96
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Wei Y, Zhu M, Schober A. Macrophage MicroRNAs as Therapeutic Targets for Atherosclerosis, Metabolic Syndrome, and Cancer. Int J Mol Sci 2018; 19:ijms19061756. [PMID: 29899293 PMCID: PMC6032097 DOI: 10.3390/ijms19061756] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 06/05/2018] [Accepted: 06/08/2018] [Indexed: 02/07/2023] Open
Abstract
Macrophages play a crucial role in the innate immune system and contribute to a broad spectrum of pathologies in chronic inflammatory diseases. MicroRNAs (miRNAs) have been demonstrated to play important roles in macrophage functions by regulating macrophage polarization, lipid metabolism and so on. Thus, miRNAs represent promising diagnostic and therapeutic targets in immune disorders. In this review, we will summarize the role of miRNAs in atherosclerosis, metabolic syndrome, and cancer by modulating macrophage phenotypes, which has been supported by in vivo evidence.
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Affiliation(s)
- Yuanyuan Wei
- Experimental Vascular Medicine, Institute for Cardiovascular Prevention, Ludwig-Maximilians-University Munich, 80336 Munich, Germany.
- German Center for Cardiovascular Research (DZHK), Partner Site Munich Heart Alliance, 80802 Munich, Germany.
| | - Mengyu Zhu
- Experimental Vascular Medicine, Institute for Cardiovascular Prevention, Ludwig-Maximilians-University Munich, 80336 Munich, Germany.
| | - Andreas Schober
- Experimental Vascular Medicine, Institute for Cardiovascular Prevention, Ludwig-Maximilians-University Munich, 80336 Munich, Germany.
- German Center for Cardiovascular Research (DZHK), Partner Site Munich Heart Alliance, 80802 Munich, Germany.
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97
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Genetic Dissection of the Impact of miR-33a and miR-33b during the Progression of Atherosclerosis. Cell Rep 2018; 21:1317-1330. [PMID: 29091769 DOI: 10.1016/j.celrep.2017.10.023] [Citation(s) in RCA: 91] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Revised: 09/12/2017] [Accepted: 10/05/2017] [Indexed: 12/22/2022] Open
Abstract
As an important regulator of macrophage cholesterol efflux and HDL biogenesis, miR-33 is a promising target for treatment of atherosclerosis, and numerous studies demonstrate that inhibition of miR-33 increases HDL levels and reduces plaque burden. However, important questions remain about how miR-33 impacts atherogenesis, including whether this protection is primarily due to direct effects on plaque macrophages or regulation of lipid metabolism in the liver. We demonstrate that miR-33 deficiency in Ldlr-/- mice promotes obesity, insulin resistance, and hyperlipidemia but does not impact plaque development. We further assess how loss of miR-33 or addition of miR-33b in macrophages and other hematopoietic cells impact atherogenesis. Macrophage-specific loss of miR-33 decreases lipid accumulation and inflammation under hyperlipidemic conditions, leading to reduced plaque burden. Therefore, the pro-atherogenic effects observed in miR-33-deficient mice are likely counterbalanced by protective effects in macrophages, which may be the primary mechanism through which anti-miR-33 therapies reduce atherosclerosis.
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98
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Rocha KCE, Pereira BMV, Rodrigues AC. An update on efflux and uptake transporters as determinants of statin response. Expert Opin Drug Metab Toxicol 2018; 14:613-624. [PMID: 29842801 DOI: 10.1080/17425255.2018.1482276] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Statins are used in the treatment of dyslipidemia promoting primary and secondary prevention against detrimental cardiovascular events. ATP-binding cassette (ABC) and solute carrier (SLC) membrane transporters transport statins across the cell membrane. Differences in drug transporter tissue expression and activity contribute to variability in statin pharmacokinetics (PK) and response. Areas covered: The purpose of this review is to discuss factors impacting transporter expression and the effect this has on statin efficacy and safety. Previous studies have demonstrated that genetic polymorphisms, drug-drug interactions (DDI), nuclear receptors, and microRNAs affect statin PK and pharmacodynamics. Expert opinion: Genetic variants of ABCG2 and SLCO1B1 transporters affect statin PK and, as a result, the intended lipid-lowering response. However, the effect size is small, limiting its applicability in clinical practice. Furthermore, genetic variants do not totally explain the observed intervariability in statin response. Thus, it is likely that transcriptional and post-transcriptional regulation of drug transporters are also highly involved. Further studies are required to understand the contribution of each of these new factors in statin disposition and toxicity.
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Affiliation(s)
- Karina Cunha E Rocha
- a Department of Pharmacology , Institute of Biomedical Sciences, University of Sao Paulo , Sao Paulo , SP , Brazil
| | - Beatriz Maria Veloso Pereira
- a Department of Pharmacology , Institute of Biomedical Sciences, University of Sao Paulo , Sao Paulo , SP , Brazil
| | - Alice Cristina Rodrigues
- a Department of Pharmacology , Institute of Biomedical Sciences, University of Sao Paulo , Sao Paulo , SP , Brazil
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Deng X, Qin S, Chen Y, Liu HY, Yuan E, Deng H, Liu SM. B-RCA revealed circulating miR-33a/b associates with serum cholesterol in type 2 diabetes patients at high risk of ASCVD. Diabetes Res Clin Pract 2018; 140:191-199. [PMID: 29601916 DOI: 10.1016/j.diabres.2018.03.024] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2017] [Revised: 02/23/2018] [Accepted: 03/09/2018] [Indexed: 10/17/2022]
Abstract
AIMS Type 2 diabetes (T2D) is a complex metabolic disease with high incidence throughout the world. Dyslipidemia is the leading cause of atherosclerotic cardiovascular diseases (ASCVD) in T2D patients. hsa-miR-33 (miR-33) serves as a regulator in lipid metabolism. We hypothesized that blood miR-33 associates with serum lipids in T2D patients at high risk of ASCVD events. METHODS We developed a branched rolling circle amplification (B-RCA) method and assessed its sensitivity and specificity with miR-33a/b standards by traditional TaqMan assay. Circulating miR-33a/b level was then determined with B-RCA in 30 T2D patients at high risk for developing ASCVD and 33 healthy controls. Pearson correlation coefficient was used to evaluate the correlation between circulating miR-33a/b and serum cholesterol. RESULTS Compared with TaqMan assay, B-RCA method showed a similar specificity and a 100-fold higher sensitivity for miR-33a detection. Circulating miR-33a/b level is positively correlated with serum total cholesterol (TC) (r = 0.364, p = 0.048) and low-density lipoprotein cholesterol (LDL-C) (r = 0.383, p = 0.037) in T2D patients at high risk for developing ASCVD. CONCLUSIONS Our B-RCA method provided an alternative strategy with specificity and high sensitivity for circulating miRNAs detection, and the results demonstrated that miR-33a/b might play an important role in cholesterol regulation.
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Affiliation(s)
- Xujing Deng
- Center for Gene Diagnosis, Zhongnan Hospital of Wuhan University, Donghu Road 169#, Wuhan 430071, China
| | - Shanshan Qin
- College of Chemistry and Molecular Sciences, Key Laboratory of Biomedical Polymers of Ministry of Education, Wuhan University, Wuhan 430072, Hubei, China.
| | - Yuqi Chen
- College of Chemistry and Molecular Sciences, Key Laboratory of Biomedical Polymers of Ministry of Education, Wuhan University, Wuhan 430072, Hubei, China.
| | - Huan-Yu Liu
- Center for Gene Diagnosis, Zhongnan Hospital of Wuhan University, Donghu Road 169#, Wuhan 430071, China; Department of Clinical Medicine, Hubei University of Medicine, Hubei 442000, China.
| | - Erfeng Yuan
- Center for Gene Diagnosis, Zhongnan Hospital of Wuhan University, Donghu Road 169#, Wuhan 430071, China
| | - Haohua Deng
- Department of Endocrinology, Zhongnan Hospital of Wuhan University, Donghu Road 169#, Wuhan 430071, China.
| | - Song-Mei Liu
- Center for Gene Diagnosis, Zhongnan Hospital of Wuhan University, Donghu Road 169#, Wuhan 430071, China.
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100
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Zambrano T, Hirata RD, Hirata MH, Cerda Á, Salazar LA. Statins differentially modulate microRNAs expression in peripheral cells of hyperlipidemic subjects: A pilot study. Eur J Pharm Sci 2018; 117:55-61. [DOI: 10.1016/j.ejps.2018.02.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Revised: 01/27/2018] [Accepted: 02/06/2018] [Indexed: 01/13/2023]
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