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Fu X, Lu H, Gao M, Li P, He Y, He Y, Luo X, Rao X, Liu W. Nitric oxide in the cardio-cerebrovascular system: source, regulation and application. Nitric Oxide 2024; 152:S1089-8603(24)00115-0. [PMID: 39299647 DOI: 10.1016/j.niox.2024.09.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 06/13/2024] [Accepted: 09/16/2024] [Indexed: 09/22/2024]
Abstract
Nitric oxide (NO) plays a crucial role as a messenger or effector in the body, yet it presents a dual impact on cardio-cerebrovascular health. Under normal physiological conditions, NO exhibits vasodilatory effects, regulates blood pressure, inhibits platelet aggregation, and offers neuroprotective actions. However, in pathological situations, excessive NO production contributes to or worsens inflammation within the body. Moreover, NO may combine with reactive oxygen species (ROS), generating harmful substances that intensify physical harm. This paper succinctly reviews pertinent literature to clarify the in vivo and in vitro origins of NO, its regulatory function in the cardio-cerebrovascular system, and the advantages and disadvantages associated with NO donor drugs, NO delivery systems, and vascular stent materials for treating cardio-cerebrovascular disease. The findings provide a theoretical foundation for the application of NO in cardio-cerebrovascular diseases.
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Affiliation(s)
- Xiaoming Fu
- National Pharmaceutical Engineering Center for Solid Preparation in Chinese Herbal Medicine, Jiangxi University of Chinese Medicine, Nanchang 330006, China
| | - Haowei Lu
- Department of Pharmacy, The Affiliated Hospital of Jiangxi University of Chinese Medicine, Nanchang 330006, China
| | - Meng Gao
- National Pharmaceutical Engineering Center for Solid Preparation in Chinese Herbal Medicine, Jiangxi University of Chinese Medicine, Nanchang 330006, China
| | - Pinghe Li
- Lanzhou Foci Pharmaceutical Co., Ltd, Lanzhou 730030, China
| | - Yan He
- National Pharmaceutical Engineering Center for Solid Preparation in Chinese Herbal Medicine, Jiangxi University of Chinese Medicine, Nanchang 330006, China
| | - Yu He
- National Pharmaceutical Engineering Center for Solid Preparation in Chinese Herbal Medicine, Jiangxi University of Chinese Medicine, Nanchang 330006, China
| | - Xiaojian Luo
- National Pharmaceutical Engineering Center for Solid Preparation in Chinese Herbal Medicine, Jiangxi University of Chinese Medicine, Nanchang 330006, China.
| | - Xiaoyong Rao
- National Pharmaceutical Engineering Center for Solid Preparation in Chinese Herbal Medicine, Jiangxi University of Chinese Medicine, Nanchang 330006, China.
| | - Wei Liu
- National Pharmaceutical Engineering Center for Solid Preparation in Chinese Herbal Medicine, Jiangxi University of Chinese Medicine, Nanchang 330006, China.
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Hu Y, Zang W, Feng Y, Mao Q, Chen J, Zhu Y, Xue W. mir-605-3p prevents liver premetastatic niche formation by inhibiting angiogenesis via decreasing exosomal nos3 release in gastric cancer. Cancer Cell Int 2024; 24:184. [PMID: 38802855 PMCID: PMC11131241 DOI: 10.1186/s12935-024-03359-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Accepted: 05/06/2024] [Indexed: 05/29/2024] Open
Abstract
BACKGROUND Cancer-induced pre-metastatic niches (PMNs) play a decisive role in promoting metastasis by facilitating angiogenesis in distant sites. Evidence accumulates suggesting that microRNAs (miRNAs) exert significant influence on angiogenesis during PMN formation, yet their specific roles and regulatory mechanisms in gastric cancer (GC) remain underexplored. METHODS miR-605-3p was identified through miRNA-seq and validated by qRT-PCR. Its correlation with the clinicopathological characteristics and prognosis was analyzed in GC. Functional assays were performed to examine angiogenesis both in vitro and in vivo. The related molecular mechanisms were elucidated using RNA-seq, immunofluorescence, transmission electron microscopy, nanoparticle tracking analysis, enzyme-linked immunosorbent assay, luciferase reporter assays and bioinformatics analysis. RESULTS miR-605-3p was screened as a candidate miRNA that may regulate angiogenesis in GC. Low expression of miR-605-3p is associated with shorter overall survival and disease-free survival in GC. miR-605-3p-mediated GC-secreted exosomes regulate angiogenesis by regulating exosomal nitric oxide synthase 3 (NOS3) derived from GC cells. Mechanistically, miR-605-3p reduced the secretion of exosomes by inhibiting vesicle-associated membrane protein 3 (VAMP3) expression and affects the transport of multivesicular bodies to the GC cell membrane. At the same time, miR-605-3p reduces NOS3 levels in exosomes by inhibiting the expression of intracellular NOS3. Upon uptake of GC cell-derived exosomal NOS3, human umbilical vein endothelial cells exhibited increased nitric oxide levels, which induced angiogenesis, established liver PMN and ultimately promoted the occurrence of liver metastasis. Furthermore, a high level of plasma exosomal NOS3 was clinically associated with metastasis in GC patients. CONCLUSIONS miR-605-3p may play a pivotal role in regulating VAMP3-mediated secretion of exosomal NOS3, thereby affecting the formation of GC PMN and thus inhibiting GC metastasis.
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Affiliation(s)
- Yilin Hu
- Department of Gastrointestinal Surgery, Affliated Hospital of Nantong University, Medical School of Nantong University, 20 Xisi Street, Nantong, Jiangsu, 226001, China
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, 226001, China
- Nantong Key Laboratory of Gastrointestinal Oncology, Nantong, 226001, China
| | - Weijie Zang
- Department of Gastrointestinal Surgery, Affliated Hospital of Nantong University, Medical School of Nantong University, 20 Xisi Street, Nantong, Jiangsu, 226001, China
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, 226001, China
- Nantong Key Laboratory of Gastrointestinal Oncology, Nantong, 226001, China
| | - Ying Feng
- Department of Gastrointestinal Surgery, Affliated Hospital of Nantong University, Medical School of Nantong University, 20 Xisi Street, Nantong, Jiangsu, 226001, China
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, 226001, China
- Nantong Key Laboratory of Gastrointestinal Oncology, Nantong, 226001, China
| | - Qinsheng Mao
- Department of Gastrointestinal Surgery, Affliated Hospital of Nantong University, Medical School of Nantong University, 20 Xisi Street, Nantong, Jiangsu, 226001, China
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, 226001, China
- Nantong Key Laboratory of Gastrointestinal Oncology, Nantong, 226001, China
| | - Junjie Chen
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, 226001, China
- Nantong Key Laboratory of Gastrointestinal Oncology, Nantong, 226001, China
| | - Yizhun Zhu
- State Key Laboratory of Quality Research in Chinese Medicine, School of Pharmacy, Macau University of Science and Technology, Macau, 999078, China.
| | - Wanjiang Xue
- Department of Gastrointestinal Surgery, Affliated Hospital of Nantong University, Medical School of Nantong University, 20 Xisi Street, Nantong, Jiangsu, 226001, China.
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, 226001, China.
- Nantong Key Laboratory of Gastrointestinal Oncology, Nantong, 226001, China.
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Zhang H, Wang X, Liu J, Zhang Y, Ka M, Ma Y, Xu J, Zhang W. Role of neutrophil myeloperoxidase in the development and progression of high-altitude pulmonary edema. Biochem Biophys Res Commun 2024; 703:149681. [PMID: 38382360 DOI: 10.1016/j.bbrc.2024.149681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 01/28/2024] [Accepted: 02/12/2024] [Indexed: 02/23/2024]
Abstract
BACKGROUND Neutrophil infiltration and hypoxic pulmonary vasoconstriction induced by hypobaric hypoxic stress are vital in high-altitude pulmonary edema (HAPE). Myeloperoxidase (MPO), an important enzyme in neutrophils, is associated with inflammation and oxidative stress and is also involved in the regulation of nitric oxide synthase (NOS), an enzyme that catalyzes the production of the vasodilatory factor nitric oxide (NO). However, the role of neutrophil MPO in HAPE's progression is still uncertain. Therefore, we hypothesize that MPO is involved in the development of HAPE via NOS. METHODS In Xining, China (altitude: 2260 m), C57BL/6 N wild-type and mpo-/- mice served as normoxic controls, while a hypobaric chamber simulated 7000 m altitude for hypoxia. L-NAME, a nitric oxide synthase (NOS) inhibitor to inhibit NO production, was the experimental drug, and D-NAME, without NOS inhibitory effects, was the control. After measuring pulmonary artery pressure (PAP), samples were collected and analyzed for blood neutrophils, oxidative stress, inflammation, vasoactive substances, pulmonary alveolar-capillary barrier permeability, and lung tissue morphology. RESULTS Wild-type mice's lung injury scores, permeability, and neutrophil counts rose at 24 and 48 h of hypoxia exposure. Under hypoxia, PAP increased from 12.89 ± 1.51 mmHg under normoxia to 20.62 ± 3.33 mmHg significantly in wild-type mice and from 13.24 ± 0.79 mmHg to 16.50 ± 2.07 mmHg in mpo-/- mice. Consistent with PAP, inducible NOS activity, lung permeability, lung injury scores, oxidative stress response, and inflammation showed more significant increases in wild-type mice than in mpo-/- mice. Additionally, endothelial NOS activity and NO levels decreased more pronouncedly in wild-type mice than in mpo-/- mice. NOS inhibition during hypoxia led to more significant increases in PAP, permeability, and lung injury scores compared to the drug control group, especially in wild-type mice. CONCLUSION MPO knockout reduces oxidative stress and inflammation to preserve alveolar-capillary barrier permeability and limits the decline in endothelial NOS activity to reduce PAP elevation during hypoxia. MPO inhibition emerges as a prospective therapeutic strategy for HAPE, offering avenues for precise interventions.
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Affiliation(s)
- Huan Zhang
- Research Center for High Altitude Medicine, Qinghai University, Xining, Qinghai, 810001, China; Key Laboratory of High Altitude Medicine (Ministry of Education), 810000, China; Key Laboratory of Application and Foundation for High Altitude Medicine Research in Qinghai Province (Qinghai-Utah Joint Research Key Lab for High Altitude Medicine), Qinghai University, Xining, Qinghai, 810001, China; Department of Pathology, The Second Affiliated Hospital of Xi'an Jiaotong University, 710004, China.
| | - Xiaojun Wang
- Department of Basic Medicine, Medical College of Qinghai University, Xining, Qinghai, 810001, China.
| | - Jie Liu
- Department of Pathology, Xi'an Chest Hospital, Xian, Shaanxi, 710000, China.
| | - Yu Zhang
- Department of Basic Medicine, Medical College of Qinghai University, Xining, Qinghai, 810001, China.
| | - Maojia Ka
- Research Center for High Altitude Medicine, Qinghai University, Xining, Qinghai, 810001, China; Key Laboratory of High Altitude Medicine (Ministry of Education), 810000, China; Key Laboratory of Application and Foundation for High Altitude Medicine Research in Qinghai Province (Qinghai-Utah Joint Research Key Lab for High Altitude Medicine), Qinghai University, Xining, Qinghai, 810001, China.
| | - Yi Ma
- Research Center for High Altitude Medicine, Qinghai University, Xining, Qinghai, 810001, China; Key Laboratory of High Altitude Medicine (Ministry of Education), 810000, China; Key Laboratory of Application and Foundation for High Altitude Medicine Research in Qinghai Province (Qinghai-Utah Joint Research Key Lab for High Altitude Medicine), Qinghai University, Xining, Qinghai, 810001, China.
| | - Jiaolong Xu
- Department of Basic Medicine, Medical College of Qinghai University, Xining, Qinghai, 810001, China; Linyi Central Hospital, Linyi, Shandong, 276400, China.
| | - Wei Zhang
- Research Center for High Altitude Medicine, Qinghai University, Xining, Qinghai, 810001, China; Key Laboratory of High Altitude Medicine (Ministry of Education), 810000, China; Key Laboratory of Application and Foundation for High Altitude Medicine Research in Qinghai Province (Qinghai-Utah Joint Research Key Lab for High Altitude Medicine), Qinghai University, Xining, Qinghai, 810001, China.
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Liu Q, Zhang Y, Han B, Wang M, Hu H, Ning J, Hu W, Chen M, Pang Y, Chen Y, Bao L, Niu Y, Zhang R. circRNAs deregulation in exosomes derived from BEAS-2B cells is associated with vascular stiffness induced by PM 2.5. J Environ Sci (China) 2024; 137:527-539. [PMID: 37980036 DOI: 10.1016/j.jes.2023.02.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 02/15/2023] [Accepted: 02/15/2023] [Indexed: 11/20/2023]
Abstract
As an environmental pollutant, ambient fine particulate matter (PM2.5) was linked to cardiovascular diseases. The molecular mechanisms underlying PM2.5-induced extrapulmonary disease has not been elucidated clearly. In this study the ambient PM2.5 exposure mice model we established was to explore adverse effects of vessel and potential mechanisms. Long-term PM2.5 exposure caused reduced lung function and vascular stiffness in mice. And chronic PM2.5 induced migration and epithelial-mesenchymal transition (EMT) phenotype in BEAS-2B cells. After PM2.5 treatment, the circRNAs and mRNAs levels of exosomes released by BEAS-2B cells were detected by competing endogenous RNA (ceRNA) array, which contained 1664 differentially expressed circRNAs (DE-circRNAs) and 308 differentially expressed mRNAs (DE-mRNAs). By bioinformatics analysis on host genes of DE-circRNAs, vascular diseases and some pathways related to vascular diseases including focal adhesion, tight junction and adherens junction were enriched. Then, ceRNA network was constructed, and DE-mRNAs in ceRNA network were conducted functional enrichment analysis by Ingenuity Pathway Analysis, which indicated that hsa_circ_0012627, hsa_circ_0053261 and hsa_circ_0052810 were related to vascular endothelial dysfunction. Furthermore, it was verified experimentally that ExoPM2.5 could induce endothelial dysfunction by increased endothelial permeability and decreased relaxation in vitro. In present study, we investigated in-depth knowledge into the molecule events related to PM2.5 toxicity and pathogenesis of vascular diseases.
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Affiliation(s)
- Qingping Liu
- Department of Toxicology, Hebei Medical University, Shijiazhuang 050017, China
| | - Yaling Zhang
- Department of Toxicology, Hebei Medical University, Shijiazhuang 050017, China
| | - Bin Han
- Department of Toxicology, Hebei Medical University, Shijiazhuang 050017, China; State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Mengruo Wang
- Department of Toxicology, Hebei Medical University, Shijiazhuang 050017, China
| | - Huaifang Hu
- Department of Toxicology, Hebei Medical University, Shijiazhuang 050017, China
| | - Jie Ning
- Department of Toxicology, Hebei Medical University, Shijiazhuang 050017, China
| | - Wentao Hu
- Department of Toxicology, Hebei Medical University, Shijiazhuang 050017, China
| | - Meiyu Chen
- Department of Toxicology, Hebei Medical University, Shijiazhuang 050017, China
| | - Yaxian Pang
- Department of Toxicology, Hebei Medical University, Shijiazhuang 050017, China
| | - Yuanyuan Chen
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
| | - Lei Bao
- Occupational Health and Environmental Health, Hebei Medical University, Shijiazhuang 050017, China
| | - Yujie Niu
- Occupational Health and Environmental Health, Hebei Medical University, Shijiazhuang 050017, China; Hebei Key Laboratory of Environment and Human Health, Hebei Medical University, Shijiazhuang 050017, China
| | - Rong Zhang
- Department of Toxicology, Hebei Medical University, Shijiazhuang 050017, China; Hebei Key Laboratory of Environment and Human Health, Hebei Medical University, Shijiazhuang 050017, China.
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Oliveira RHDM, Annex BH, Popel AS. Endothelial cells signaling and patterning under hypoxia: a mechanistic integrative computational model including the Notch-Dll4 pathway. Front Physiol 2024; 15:1351753. [PMID: 38455844 PMCID: PMC10917925 DOI: 10.3389/fphys.2024.1351753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 02/12/2024] [Indexed: 03/09/2024] Open
Abstract
Introduction: Several signaling pathways are activated during hypoxia to promote angiogenesis, leading to endothelial cell patterning, interaction, and downstream signaling. Understanding the mechanistic signaling differences between endothelial cells under normoxia and hypoxia and their response to different stimuli can guide therapies to modulate angiogenesis. We present a novel mechanistic model of interacting endothelial cells, including the main pathways involved in angiogenesis. Methods: We calibrate and fit the model parameters based on well-established modeling techniques that include structural and practical parameter identifiability, uncertainty quantification, and global sensitivity. Results: Our results indicate that the main pathways involved in patterning tip and stalk endothelial cells under hypoxia differ, and the time under hypoxia interferes with how different stimuli affect patterning. Additionally, our simulations indicate that Notch signaling might regulate vascular permeability and establish different Nitric Oxide release patterns for tip/stalk cells. Following simulations with various stimuli, our model suggests that factors such as time under hypoxia and oxygen availability must be considered for EC pattern control. Discussion: This project provides insights into the signaling and patterning of endothelial cells under various oxygen levels and stimulation by VEGFA and is our first integrative approach toward achieving EC control as a method for improving angiogenesis. Overall, our model provides a computational framework that can be built on to test angiogenesis-related therapies by modulation of different pathways, such as the Notch pathway.
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Affiliation(s)
| | - Brian H. Annex
- Medical College of Georgia, Augusta University, Augusta, GA, United States
| | - Aleksander S. Popel
- Department of Biomedical Engineering, School of Medicine, Johns Hopkins University, Baltimore, MD, United States
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Li N, Su S, Xie X, Yang Z, Li Z, Lu D. Tsantan Sumtang, a traditional Tibetan medicine, protects pulmonary vascular endothelial function of hypoxia-induced pulmonary hypertension rats through AKT/eNOS signaling pathway. JOURNAL OF ETHNOPHARMACOLOGY 2024; 320:117436. [PMID: 37979813 DOI: 10.1016/j.jep.2023.117436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 11/07/2023] [Accepted: 11/13/2023] [Indexed: 11/20/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Tsantan Sumtang (TS), originated from the Four Tantras, is an empirical Tibetan medicine prescription, which has been widely used for treating cardiovascular diseases in the clinic in Qinghai Province of China. Our previous studies found that TS alleviated hypoxia-induced pulmonary hypertension (HPH) in rats. However, the effect and bioactive fractions of TS on hypoxia-injured pulmonary vascular endothelium are unknown. AIM OF THE STUDY To investigate the effect, bioactive fractions and pharmacological mechanism of TS on hypoxia-injured pulmonary vascular endothelium in vivo and in vitro. MATERIALS AND METHODS In vivo studies, HPH animal model was established, and TS was administrated for four weeks. Then, hemodynamic indexes, ex vivo pulmonary artery perfusion experiment, morphological characteristics, nitric oxide (NO) production, and the protein expression of protein kinase B (AKT)/endothelial nitric oxide synthase (eNOS) and AMP-activated protein kinase (AMPK)/eNOS signaling were determined. In vitro studies, 1% O2-induced pulmonary artery endothelial cells (PAECs) injury model was applied for screening bioactive fractions of TS by cell proliferation assay and NO production measurement. The associated proteins of AKT/eNOS signaling were further measured to elucidate underlying mechanism of bioactive fraction of TS via using phosphatidylinositol-3 kinase (PI3K) inhibitor LY294002. Ultra-high performance liquid chromatography with hybrid quadrupole-orbitrap mass spectrometry (UHPLC-Q-Exactive Orbitrap-MS) was used to reveal the chemical profile of bioactive fraction of TS. RESULTS TS showed protective effect on the integrity of distal pulmonary arterial endothelium in HPH rats. Tsantan Sumtang dilated pulmonary arterial rings in HPH rats. TS enhanced NO bioavailability in lung tissue via regulating AKT/eNOS signaling. Furthermore, in the cellular level, cell viability as well as NO content of hypoxia-injured PAECs were elevated by fraction 17 of water extract of TS (WTS), through activating the AKT/eNOS signaling. Ellagic acid could be one of compositions in fraction 17 of WTS to produce NO in hypoxia-injured PAECs. CONCLUSION TS restored pulmonary arterial endothelial function in HPH rats. The bioactive fraction 17 was screened, which protected hypoxia-injured PAECs via upregulating AKT/eNOS signaling.
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Affiliation(s)
- Na Li
- Research Center for High Altitude Medicine, Key Laboratory of High Altitude Medicine (Ministry of Education), Laboratory for High Altitude Medicine of Qinghai Province, Key Laboratory of Application and Foundation for High Altitude Medicine Research in Qinghai Province (Qinghai-Utah Joint Research Key Lab for High Altitude Medicine), Qinghai University, Xining, 810001, PR China; Affiliated Hospital of Qinghai University, Xining, 810001, PR China
| | - Shanshan Su
- Technical Center of Xining Customs, Key Laboratory of Food Safety Research in Qinghai Province, Xining, 810003, PR China
| | - Xin Xie
- Research Center for High Altitude Medicine, Key Laboratory of High Altitude Medicine (Ministry of Education), Laboratory for High Altitude Medicine of Qinghai Province, Key Laboratory of Application and Foundation for High Altitude Medicine Research in Qinghai Province (Qinghai-Utah Joint Research Key Lab for High Altitude Medicine), Qinghai University, Xining, 810001, PR China
| | - Zhanting Yang
- Research Center for High Altitude Medicine, Key Laboratory of High Altitude Medicine (Ministry of Education), Laboratory for High Altitude Medicine of Qinghai Province, Key Laboratory of Application and Foundation for High Altitude Medicine Research in Qinghai Province (Qinghai-Utah Joint Research Key Lab for High Altitude Medicine), Qinghai University, Xining, 810001, PR China
| | - Zhanqiang Li
- Research Center for High Altitude Medicine, Key Laboratory of High Altitude Medicine (Ministry of Education), Laboratory for High Altitude Medicine of Qinghai Province, Key Laboratory of Application and Foundation for High Altitude Medicine Research in Qinghai Province (Qinghai-Utah Joint Research Key Lab for High Altitude Medicine), Qinghai University, Xining, 810001, PR China.
| | - Dianxiang Lu
- Research Center for High Altitude Medicine, Key Laboratory of High Altitude Medicine (Ministry of Education), Laboratory for High Altitude Medicine of Qinghai Province, Key Laboratory of Application and Foundation for High Altitude Medicine Research in Qinghai Province (Qinghai-Utah Joint Research Key Lab for High Altitude Medicine), Qinghai University, Xining, 810001, PR China; Clinical Medical College & Affiliated Hospital of Chengdu University, Chengdu, Sichuan, 610086, PR China.
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Thomas G, Banton KL, Garrett R, Palacio CH, Acuna D, Madayag R, Bar-Or D. Hypoxia Dysregulates the Transcription of Myoendothelial Junction Proteins Involved with Nitric Oxide Production in Brain Endothelial Cells. Biomedicines 2023; 12:75. [PMID: 38255181 PMCID: PMC10813549 DOI: 10.3390/biomedicines12010075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 12/20/2023] [Accepted: 12/22/2023] [Indexed: 01/24/2024] Open
Abstract
Myoendothelial junctions (MEJs) are structures that allow chemical signals to be transmitted between endothelial cells (ECs) and vascular smooth muscle cells, which control vascular tone. MEJs contain hemoglobin alpha (Hbα) and endothelial nitric oxide synthase (eNOS) complexes that appear to control the production and scavenging of nitric oxide (NO) along with the activity of cytochrome b5 reductase 3 (CYB5R3). The aim of this study was to examine how hypoxia affected the regulation of proteins involved in the production of NO in brain ECs. In brief, human brain microvascular endothelial cells (HBMEC) were exposed to cobalt chloride (CoCl2), a hypoxia mimetic, and a transcriptional analysis was performed using primers for eNOS, CYB5R3, and Hbα2 with ΔΔCt relative gene expression normalized to GAPDH. NO production was also measured after treatment using 4,5-diaminofluorescein diacetate (DAF-DA), a fluorescent NO indicator. When HBMEC were exposed to CoCl2 for 48 h, eNOS and CYB5R3 messenger RNA significantly decreased (up to -17.8 ± 4.30-fold and -10.4 ± 2.8, respectively) while Hbα2 increased to detectable levels. Furthermore, CoCl2 treatment caused a redistribution of peripheral membrane-generated NO production to a perinuclear region. To the best of our knowledge, this is the first time this axis has been studied in brain ECs and these findings imply that hypoxia may cause dysregulation of proteins that regulate NO production in brain MEJs.
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Affiliation(s)
- Gregory Thomas
- Trauma and Stroke Research Lab, 601 East Hampden Ave, Englewood, CO 80113, USA
| | - Kaysie L. Banton
- Trauma and Surgery Services, Swedish Medical Center, 501 East Hampden Ave, Englewood, CO 80113, USA
| | - Raymond Garrett
- Trauma and Stroke Research Lab, 601 East Hampden Ave, Englewood, CO 80113, USA
| | - Carlos H. Palacio
- Trauma and Surgery Services, South Texas Health System-McAllen, 301 West Expressway 83, McAllen, TX 78503, USA
| | - David Acuna
- Trauma and Surgery Services, Wesley Medical Center, 550 North Hillside St, Wichita, KS 67214, USA
| | - Robert Madayag
- Trauma and Surgery Services, Lutheran Medical Center, 8300 W. 38th Ave, Wheat Ridge, CO 80033, USA
| | - David Bar-Or
- Trauma and Stroke Research Lab, 601 East Hampden Ave, Englewood, CO 80113, USA
- Trauma and Surgery Services, Swedish Medical Center, 501 East Hampden Ave, Englewood, CO 80113, USA
- Trauma and Surgery Services, South Texas Health System-McAllen, 301 West Expressway 83, McAllen, TX 78503, USA
- Trauma and Surgery Services, Wesley Medical Center, 550 North Hillside St, Wichita, KS 67214, USA
- Department of Molecular Biology, Rocky Vista University, 8401 S Chambers Rd, Parker, CO 80134, USA
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de Freitas RCC, Bortolin RH, Borges JB, de Oliveira VF, Dagli-Hernandez C, Marçal EDSR, Bastos GM, Gonçalves RM, Faludi AA, Silbiger VN, Luchessi AD, Hirata RDC, Hirata MH. LDLR and PCSK9 3´UTR variants and their putative effects on microRNA molecular interactions in familial hypercholesterolemia: a computational approach. Mol Biol Rep 2023; 50:9165-9177. [PMID: 37776414 DOI: 10.1007/s11033-023-08784-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 08/25/2023] [Indexed: 10/02/2023]
Abstract
BACKGROUND Familial hypercholesterolemia (FH) is caused by pathogenic variants in low-density lipoprotein (LDL) receptor (LDLR) or its associated genes, including apolipoprotein B (APOB), proprotein convertase subtilisin/kexin type 9 (PCSK9), and LDLR adaptor protein 1 (LDLRAP1). However, approximately 40% of the FH patients clinically diagnosed (based on FH phenotypes) may not carry a causal variant in a FH-related gene. Variants located at 3' untranslated region (UTR) of FH-related genes could elucidate mechanisms involved in FH pathogenesis. This study used a computational approach to assess the effects of 3'UTR variants in FH-related genes on miRNAs molecular interactions and to explore the association of these variants with molecular diagnosis of FH. METHODS AND RESULTS Exons and regulatory regions of FH-related genes were sequenced in 83 FH patients using an exon-target gene sequencing strategy. In silico prediction tools were used to study the effects of 3´UTR variants on interactions between miRNAs and target mRNAs. Pathogenic variants in FH-related genes (molecular diagnosis) were detected in 44.6% FH patients. Among 59 3'UTR variants identified, LDLR rs5742911 and PCSK9 rs17111557 were associated with molecular diagnosis of FH, whereas LDLR rs7258146 and rs7254521 and LDLRAP1 rs397860393 had an opposite effect (p < 0.05). 3´UTR variants in LDLR (rs5742911, rs7258146, rs7254521) and PCSK9 (rs17111557) disrupt interactions with several miRNAs, and more stable bindings were found with LDLR (miR-4435, miR-509-3 and miR-502) and PCSK9 (miR-4796). CONCLUSION LDLR and PCSK9 3´UTR variants disturb miRNA:mRNA interactions that could affect gene expression and are potentially associated with molecular diagnosis of FH.
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Affiliation(s)
- Renata Caroline Costa de Freitas
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Av. Prof. Lineu Prestes, 580. São Paulo, Sao Paulo, 05508-000, Brazil
- Department of Cardiac Surgery, Boston Children's Hospital, Boston, MA, 02115, USA
| | - Raul Hernandes Bortolin
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Av. Prof. Lineu Prestes, 580. São Paulo, Sao Paulo, 05508-000, Brazil
- Department of Cardiology, Boston Children's Hospital, Boston, MA, 02115, USA
| | - Jessica Bassani Borges
- Department of Research, Hospital Beneficiencia Portuguesa de Sao Paulo, Sao Paulo, 01323-001, Brazil
| | - Victor Fernandes de Oliveira
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Av. Prof. Lineu Prestes, 580. São Paulo, Sao Paulo, 05508-000, Brazil
| | - Carolina Dagli-Hernandez
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Av. Prof. Lineu Prestes, 580. São Paulo, Sao Paulo, 05508-000, Brazil
| | - Elisangela da Silva Rodrigues Marçal
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Av. Prof. Lineu Prestes, 580. São Paulo, Sao Paulo, 05508-000, Brazil
- Laboratory of Molecular Research in Cardiology, Institute of Cardiology Dante Pazzanese, Sao Paulo, 04012-909, Brazil
| | - Gisele Medeiros Bastos
- Department of Research, Hospital Beneficiencia Portuguesa de Sao Paulo, Sao Paulo, 01323-001, Brazil
| | | | - Andre Arpad Faludi
- Medical Division, Institute of Cardiology Dante Pazzanese, Sao Paulo, 04012-909, Brazil
| | - Vivian Nogueira Silbiger
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, Federal University of Rio Grande do Norte, Natal, 59012-570, Brazil
- Northeast Biotechnology Network (RENORBIO), Graduate Program in Biotechnology, Federal University of Rio Grande do Norte, Natal, 59078-900, Brazil
| | - André Ducati Luchessi
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, Federal University of Rio Grande do Norte, Natal, 59012-570, Brazil
- Northeast Biotechnology Network (RENORBIO), Graduate Program in Biotechnology, Federal University of Rio Grande do Norte, Natal, 59078-900, Brazil
| | - Rosario Dominguez Crespo Hirata
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Av. Prof. Lineu Prestes, 580. São Paulo, Sao Paulo, 05508-000, Brazil
| | - Mario Hiroyuki Hirata
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Av. Prof. Lineu Prestes, 580. São Paulo, Sao Paulo, 05508-000, Brazil.
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9
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Zhu P, Zhu J, Tong S, She X, Qi Z, Xu Q, Shi Z, Si L, Hou M, Gan G, Pan C. Clinical characteristics of patients with a risk of pulmonary artery hypertension secondary to ARDS in a high-altitude area. BMJ Open Respir Res 2023; 10:e001475. [PMID: 37524522 PMCID: PMC10391833 DOI: 10.1136/bmjresp-2022-001475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 07/14/2023] [Indexed: 08/02/2023] Open
Abstract
BACKGROUND Hypoxaemia plays an important role in the development of pulmonary artery hypertension (PAH). Patients with acute respiratory distress syndrome (ARDS) in a high-altitude area have different pathophysiological characteristics from those patients in the plains. The goal of our study was to explore the clinical characteristics of PAH secondary to ARDS in a high-altitude area. METHODS This was a prospective study conducted in the affiliated Hospital of Qinghai University. Two investigators independently assessed pulmonary artery pressure (PAP) and right ventricular function by transthoracic echocardiography. Basic information and clinical data of the patients who were enrolled were collected. A multivariable logistic regression model was used to evaluate the risk factors for PAH secondary to ARDS in the high-altitude area. RESULTS The incidence of PAH secondary to ARDS within 48 hours in the high-altitude area was 44.19%. Partial pressure of oxygen/fraction of inspired oxygen <165.13 mm Hg was an independent risk factor for PAH secondary to ARDS in the high-altitude area. Compared with the normal PAP group, the right ventricular basal dimensions were significantly larger and the right ventricular tricuspid annular plane systolic excursion was lower in the PAH group (right ventricular basal dimensions: 45.47±2.60 vs 40.67±6.12 mm, p=0.019; tricuspid annular plane systolic excursion (TAPSE): 1.82±0.40 vs 2.09±0.32 cm, p=0.021). The ratio of TAPSE to systolic PAP was lower in the PAH group (0.03±0.01 vs 0.08±0.03 cm/mm Hg, p<0.001). CONCLUSIONS The incidence of PAH in patients with ARDS in our study is high. PAH secondary to ARDS in a high-altitude area could cause right ventricular dysfunction. TRIAL REGISTRATION NUMBER NCT05166759.
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Affiliation(s)
- Peng Zhu
- Department of Critical Care Medicine, Qinghai University Affiliated Hospital, Xining, Qinghai, China
| | - Jing Zhu
- Department of Cardiology, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Shijun Tong
- Department of Critical Care Medicine, Qinghai University Affiliated Hospital, Xining, Qinghai, China
| | - Xiaobin She
- Department of Critical Care Medicine, Qinghai University Affiliated Hospital, Xining, Qinghai, China
| | - Zhenyuan Qi
- Department of Critical Care Medicine, Qinghai University Affiliated Hospital, Xining, Qinghai, China
| | - Qianjin Xu
- Department of Critical Care Medicine, Qinghai University Affiliated Hospital, Xining, Qinghai, China
| | - Zhongshan Shi
- Department of Critical Care Medicine, People's Hospital of Golmud City, Golmud, Qinghai, China
| | - Lining Si
- Department of Critical Care Medicine, Qinghai University Affiliated Hospital, Xining, Qinghai, China
| | - Ming Hou
- Department of Critical Care Medicine, Qinghai University Affiliated Hospital, Xining, Qinghai, China
| | - Guifen Gan
- Department of Critical Care Medicine, Qinghai University Affiliated Hospital, Xining, Qinghai, China
| | - Chun Pan
- Department of Critical Care Medicine, Health Management Center, University of Electronic Science and Technology of China Sichuan Provincial People's Hospital, Chengdu, Sichuan, China
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10
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Ejike CECC, Ezeorba TPC, Ajah O, Udenigwe CC. Big Things, Small Packages: An Update on Microalgae as Sustainable Sources of Nutraceutical Peptides for Promoting Cardiovascular Health. GLOBAL CHALLENGES (HOBOKEN, NJ) 2023; 7:2200162. [PMID: 37205928 PMCID: PMC10190598 DOI: 10.1002/gch2.202200162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 01/09/2023] [Indexed: 05/21/2023]
Abstract
In 2017, a review of microalgae protein-derived bioactive peptides relevant in cardiovascular disease (CVD) management was published. Given the rapid evolution of the field, an update is needed to illumininate recent developments and proffer future suggestions. In this review, the scientific literature (2018-2022) is mined for that purpose and the relevant properties of the identified peptides related to CVD are discussed. The challenges and prospects for microalgae peptides are similarly discussed. Since 2018, several publications have independently confirmed the potential to produce microalgae protein-derived nutraceutical peptides. Peptides that reduce hypertension (by inhibiting angiotensin converting enzyme and endothelial nitric oxide synthase), modulate dyslipidemia and have antioxidant and anti-inflammatory properties have been reported, and characterized. Taken together, future research and development investments in nutraceutical peptides from microalgae proteins need to focus on the challenges of large-scale biomass production, improvement in techniques for protein extraction, peptide release and processing, and the need for clinical trials to validate the claimed health benefits as well as formulation of various consumer products with the novel bioactive ingredients.
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Affiliation(s)
- Chukwunonso E. C. C. Ejike
- Department of Medical BiochemistryFaculty of Basic Medical SciencesAlex Ekwueme Federal UniversityNdufu‐AlikeEbonyi State482131Nigeria
| | - Timothy P. C. Ezeorba
- Department of BiochemistryFaculty of Biological SciencesUniversity of NigeriaNsukkaEnugu State410001Nigeria
| | - Obinna Ajah
- Department of BiochemistryCollege of Natural SciencesMichael Okpara University of AgricultureUmudikeAbia State440101Nigeria
| | - Chibuike C. Udenigwe
- School of Nutrition SciencesFaculty of Health SciencesUniversity of OttawaOttawaOntarioK1H 8M5Canada
- Department of Chemistry and Biomolecular SciencesFaculty of ScienceUniversity of OttawaOttawaOntarioK1N 6N5Canada
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11
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Jaśkiewicz M, Moszyńska A, Gebert M, Collawn JF, Bartoszewski R. EPAS1 resistance to miRNA-based regulation contributes to prolonged expression of HIF-2 during hypoxia in human endothelial cells. Gene 2023; 868:147376. [PMID: 36934786 DOI: 10.1016/j.gene.2023.147376] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/09/2023] [Accepted: 03/14/2023] [Indexed: 03/19/2023]
Abstract
The cellular adaptation to hypoxia is regulated by hypoxia inducible factors: HIF-1 and HIF-2. HIF-1 mediates response to acute hypoxia, whereas HIF-2 allows adaptation to chronic oxygen deprivation. The hypoxic transition from HIF-1 to HIF-2 is possible due to the low stability of HIF-1α subunit transcript (HIF1A) and the stable mRNA of HIF-2α (EPAS1). Notably, although many micro-RNAs (miRNAs) that regulate endothelial HIF-1 levels during hypoxia have been identified, in case of HIF-2, no analogous ones have been found so far. In this work, using different methods, we tested 23 microRNA that were predicted to interact with the EPAS1 transcript (18 of which were induced during prolonged hypoxia), and we demonstrated that none of them were functional in vitro. This suggests that HIF-2α transcript is much less prone to miRNA-related destabilization during hypoxia.
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Affiliation(s)
- Maciej Jaśkiewicz
- International Research Agenda 3P- Medicine Laboratory, Medical University of Gdansk, Gdansk, Poland.
| | | | - Magdalena Gebert
- Department of Medical Laboratory Diagnostics - Fahrenheit Biobank BBMRI.pl, Medical University of Gdansk, Gdansk, Poland.
| | - James F Collawn
- Department of Cell, Developmental, and Integrative Biology, University of Alabama at Birmingham, Birmingham, AL, United States.
| | - Rafał Bartoszewski
- Department of Biophysics, Faculty of Biotechnology, University of Wroclaw, Wroclaw, Poland.
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12
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Rossi GP, Barton M, Dhaun N, Rizzoni D, Seccia TM. Challenges in the evaluation of endothelial cell dysfunction: a statement from the European Society of Hypertension Working Group on Endothelin and Endothelial Factors. J Hypertens 2023; 41:369-379. [PMID: 36728915 DOI: 10.1097/hjh.0000000000003314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Endothelial cell function is mediated by different mechanisms in different vascular beds. Moreover, in humans, endothelial cell dysfunction triggers and accelerates the progression of cardiovascular and chronic kidney diseases. Progression of such diseases can be in part mitigated by the control of cardiovascular risk factors and drugs targeting different systems, including endothelin receptor antagonists (ERAs), renin-angiotensin aldosterone antagonists and agents affecting glucose metabolism, all of which were shown to improve endothelial cell function. In recent years, the microRNAs, which are endogenous regulators of gene expression, have been identified as transmitters of information from endothelial cells to vascular smooth muscle cells, suggesting that they can entail tools to assess the endothelial cell dysfunction in arterial hypertension and target for pharmacologic intervention. This article critically reviews current challenges and limitations of available techniques for the invasive and noninvasive assessment of endothelial cell function, and also discusses therapeutic aspects as well as directions for future research in the areas of endothelial cell biology and pathophysiology in humans.
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Affiliation(s)
- Gian Paolo Rossi
- Emergency Medicine Unit and European Society of Hypertension Specialized Center of Excellence for Hypertension, Department of Medicine-DIMED, University of Padua, Padova, Italy
| | - Matthias Barton
- Molecular Internal Medicine, University of Zürich, and Andreas Grüntzig Foundation, Zürich, Switzerland
| | - Neeraj Dhaun
- University/British Heart Foundation Centre of Research Excellence, Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - Damiano Rizzoni
- Department of Clinical and Experimental Sciences, University of Brescia and Division of Medicine, Istituto Clinico Città di Brescia, Brescia, Italy
| | - Teresa M Seccia
- Emergency Medicine Unit and European Society of Hypertension Specialized Center of Excellence for Hypertension, Department of Medicine-DIMED, University of Padua, Padova, Italy
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13
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Twenty Novel MicroRNAs in the Aqueous Humor of Pseudoexfoliation Glaucoma Patients. Cells 2023; 12:cells12050737. [PMID: 36899874 PMCID: PMC10000531 DOI: 10.3390/cells12050737] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 02/22/2023] [Indexed: 03/02/2023] Open
Abstract
The microRNAs (miRNAs) are short non-coding RNAs (19-25 nt) that regulate the level of gene expression at the post-transcriptional stage. Altered miRNAs expression can lead to the development of various diseases, e.g., pseudoexfoliation glaucoma (PEXG). In this study, we assessed the levels of miRNA expression in the aqueous humor of PEXG patients using the expression microarray method. Twenty new miRNA molecules have been selected as having the potential to be associated with the development or progression of PEXG. Ten miRNAs were downregulated in PEXG (hsa-miR-95-5p, hsa-miR-515-3p, hsa-mir-802, hsa-miR-1205, hsa-miR-3660, hsa-mir-3683, hsa -mir-3936, hsa-miR-4774-5p, hsa-miR-6509-3p, hsa-miR-7843-3p) and ten miRNAs were upregulated in PEXG (hsa-miR-202 -3p, hsa-miR-3622a-3p, hsa-mir-4329, hsa-miR-4524a-3p, hsa-miR-4655-5p, hsa-mir-6071, hsa-mir-6723-5p, hsa-miR-6847-5p, hsa-miR-8074, and hsa-miR-8083). Functional analysis and enrichment analysis showed that the mechanisms that can be regulated by these miRNAs are: extracellular matrix (ECM) imbalance, cell apoptosis (possibly retinal ganglion cells (RGCs)), autophagy, and elevated calcium cation levels. Nevertheless, the exact molecular basis of PEXG is unknown and further research is required on this topic.
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14
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Azizidoost S, Nasrolahi A, Sheykhi-Sabzehpoush M, Akiash N, Assareh AR, Anbiyaee O, Antosik P, Dzięgiel P, Farzaneh M, Kempisty B. Potential roles of endothelial cells-related non-coding RNAs in cardiovascular diseases. Pathol Res Pract 2023; 242:154330. [PMID: 36696805 DOI: 10.1016/j.prp.2023.154330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 01/19/2023] [Indexed: 01/22/2023]
Abstract
Endothelial dysfunction is identified by a conversion of the endothelium toward decreased vasodilation and prothrombic features and is known as a primary pathogenic incident in cardiovascular diseases. An insight based on particular and promising biomarkers of endothelial dysfunction may possess vital clinical significances. Currently, non-coding RNAs due to their participation in critical cardiovascular processes like initiation and progression have gained much attention as possible diagnostic as well as prognostic biomarkers in cardiovascular diseases. Emerging line of proof has demonstrated that abnormal expression of non-coding RNAs is nearly correlated with the pathogenesis of cardiovascular diseases. In the present review, we focus on the expression and functional effects of various kinds of non-coding RNAs in cardiovascular diseases and negotiate their possible clinical implications as diagnostic or prognostic biomarkers and curative targets.
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Affiliation(s)
- Shirin Azizidoost
- Atherosclerosis Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Ava Nasrolahi
- Infectious Ophthalmologic Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | | | - Nehzat Akiash
- Atherosclerosis Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Ahmad Reza Assareh
- Atherosclerosis Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Omid Anbiyaee
- Cardiovascular Research Center, Nemazi Hospital, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Paweł Antosik
- Institute of Veterinary Medicine, Department of Veterinary Surgery, Nicolaus Copernicus University, Torun, Poland
| | - Piotr Dzięgiel
- Division of Histology and Embryology, Department of Human Morphology and Embryology, Wroclaw Medical University, 50-368 Wroclaw, Poland
| | - Maryam Farzaneh
- Fertility, Infertility and Perinatology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
| | - Bartosz Kempisty
- Institute of Veterinary Medicine, Department of Veterinary Surgery, Nicolaus Copernicus University, Torun, Poland; Department of Human Morphology and Embryology, Division of Anatomy, Wroclaw Medical University, Wrocław, Poland; North Carolina State University College of Agriculture and Life Sciences, Raleigh, NC 27695, USA.
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15
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Qin S, Shen C, Tang W, Wang M, Lin Y, Wang Z, Li Y, Zhang Z, Liu X. Impact of miR-200b and miR-495 variants on the risk of large-artery atherosclerosis stroke. Metab Brain Dis 2023; 38:631-639. [PMID: 36374407 DOI: 10.1007/s11011-022-01119-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 10/28/2022] [Indexed: 11/16/2022]
Abstract
Single-nucleotide polymorphisms (SNPs) of microRNAs (miRNAs) may alter miRNA transcription, maturation and target specificity, thus affecting stroke susceptibility. We aimed to investigate whether miR-200b and miR-495 SNPs may be associated with ischemic stroke (IS) risk and further explore underlying mechanisms including related genes and pathways. MiR-200b rs7549819 and miR-495 rs2281611 polymorphisms were genotyped among 712 large-artery atherosclerosis (LAA) stroke patients and 1,076 controls in a case-control study. Bioinformatic analyses were performed to explore potential association of miR-200b/495 with IS and to examine the effects of these two SNPs on miR-200b/495. Furthermore, we evaluated the association between these two SNPs and stroke using the public GWAS datasets. In our case-control study, rs7549819 was significantly associated with a decreased risk of LAA stroke (OR = 0.73, 95% CI = 0.58-0.92; p = 0.007), while rs2281611 had no significant association with LAA stroke risk. These results were consistent with the findings in East Asians from the GIGASTROKE study. Combined effects analysis revealed that individuals with 2-4 protective alleles (miR-200bC and miR-495 T) exhibited lower risk of LAA stroke than those with 0-1 variants (OR = 0.76, 95% CI = 0.61-0.96; p = 0.021). Bioinformatic analyses showed that miR-200b and miR-495 were significantly associated with genes and pathways related to IS pathogenesis, and rs7549819 and rs2281611 markedly influenced miRNA expression and structure. MiR-200b rs7549819 polymorphism and the combined genotypes of miR-200b rs7549819 and miR-495 rs2281611 polymorphisms were associated with decreased risk of LAA stroke in Chinese population.
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Affiliation(s)
- Shanmei Qin
- Department of Neurology, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, Nanjing, 210002, Jiangsu, China
| | - Chong Shen
- Department of Epidemiology, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Wuzhuang Tang
- Department of Neurology, The Affiliated Yixing Hospital of Jiangsu University, Yixing, Jiangsu, China
| | - Mengmeng Wang
- Department of Neurology, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Ying Lin
- Department of Neurology, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, Nanjing, 210002, Jiangsu, China
| | - Zhaojun Wang
- Department of Neurology, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, Nanjing, 210002, Jiangsu, China
| | - Yunzi Li
- Department of Neurology, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, Nanjing, 210002, Jiangsu, China
| | - Zhizhong Zhang
- Department of Neurology, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, Nanjing, 210002, Jiangsu, China.
| | - Xinfeng Liu
- Department of Neurology, Jinling Hospital, Medical School of Nanjing University, 305 East Zhongshan Road, Nanjing, 210002, Jiangsu, China.
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16
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Liu Y, Zhu S, Liu J, Chen Y, Zhong S, Lian D, Liang J, Huang S, Hou S. Vitexin Regulates Angiogenesis and Osteogenesis in Ovariectomy-Induced Osteoporosis of Rats via the VDR/PI3K/AKT/eNOS Signaling Pathway. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:546-556. [PMID: 36538589 DOI: 10.1021/acs.jafc.2c07005] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
It is extremely important to promote angiogenesis-dependent osteogenesis and ameliorate bone loss for the prevention and treatment of osteoporosis (OP) development. Vitexin, as one of the major active components in pigeonpea leave, promoted the proliferation of osteoblast and HUVECs in hypoxia. The present study aimed to investigate the effect of vitexin on alleviating osteoporosis in ovariectomized (OVX) rats and further explore its underlying mechanisms. Herein, the OVX rat model was established and treated with vitexin (10 mg kg-1) for 3 months. After being sacrificed, we performed hematoxylin-eosin (H&E) staining and micro-computed tomography (micro-CT) to assess bone mass, which found that trabecular bone was damaged in the OVX rat model. Vitexin could repair bone injury and promote osteoblast biochemical indicators and angiogenesis indicators. Furthermore, EAhy926 cells were used to further explore the effect of vitexin on improving hypoxia-induced endothelial injury in vitro. Vitexin had a protective effect on hypoxia-treated EAhy926 cells and up-regulated vitamin D receptor (VDR) signaling and promoted phosphorylation of phosphatidylinositol-3-kinase (PI3K), protein kinase B (AKT), and endothelial NO synthase (eNOS), which enhanced endothelial cell migration and tube formation. VDR small-interfering RNA (siRNA) transfection significantly decreased both VDR and p-eNOS proteins, and VDR siRNA transfection + vitexin could not further increase VDR and downstream proteins. Overall, this study presented that vitexin regulates angiogenesis and osteogenesis in ovariectomy-induced osteoporosis of rats via the VDR/eNOS signaling pathway.
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Affiliation(s)
- Ying Liu
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, PR China
| | - Shumin Zhu
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, PR China
| | - Jiaying Liu
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, PR China
| | - Yonger Chen
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, PR China
| | - Shaowen Zhong
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, PR China
| | - Dawei Lian
- Dongguan Institute of Guangzhou University of Chinese Medicine, Dongguan 523808, PR China
| | - Jian Liang
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, PR China
- Dongguan Institute of Guangzhou University of Chinese Medicine, Dongguan 523808, PR China
| | - Song Huang
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, PR China
- Dongguan Institute of Guangzhou University of Chinese Medicine, Dongguan 523808, PR China
| | - Shaozhen Hou
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, PR China
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17
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Jaśkiewicz M, Moszyńska A, Króliczewski J, Cabaj A, Bartoszewska S, Charzyńska A, Gebert M, Dąbrowski M, Collawn JF, Bartoszewski R. The transition from HIF-1 to HIF-2 during prolonged hypoxia results from reactivation of PHDs and HIF1A mRNA instability. Cell Mol Biol Lett 2022; 27:109. [PMID: 36482296 PMCID: PMC9730601 DOI: 10.1186/s11658-022-00408-7] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Accepted: 11/18/2022] [Indexed: 12/13/2022] Open
Abstract
The hypoxia-inducible factors (HIF) are transcription factors that activate the adaptive hypoxic response when oxygen levels are low. The HIF transcriptional program increases oxygen delivery by inducing angiogenesis and by promoting metabolic reprograming that favors glycolysis. The two major HIFs, HIF-1 and HIF-2, mediate this response during prolonged hypoxia in an overlapping and sequential fashion that is referred to as the HIF switch. Both HIF proteins consist of an unstable alpha chain and a stable beta chain. The instability of the alpha chains is mediated by prolyl hydroxylase (PHD) activity during normoxic conditions, which leads to ubiquitination and proteasomal degradation of the alpha chains. During normoxic conditions, very little HIF-1 or HIF-2 alpha-beta dimers are present because of PHD activity. During hypoxia, however, PHD activity is suppressed, and HIF dimers are stable. Here we demonstrate that HIF-1 expression is maximal after 4 h of hypoxia in primary endothelial cells and then is dramatically reduced by 8 h. In contrast, HIF-2 is maximal at 8 h and remains elevated up to 24 h. There are differences in the HIF-1 and HIF-2 transcriptional profiles, and therefore understanding how the transition between them occurs is important and not clearly understood. Here we demonstrate that the HIF-1 to HIF-2 transition during prolonged hypoxia is mediated by two mechanisms: (1) the HIF-1 driven increase in the glycolytic pathways that reactivates PHD activity and (2) the much less stable mRNA levels of HIF-1α (HIF1A) compared to HIF-2α (EPAS1) mRNA. We also demonstrate that the alpha mRNA levels directly correlate to the relative alpha protein levels, and therefore to the more stable HIF-2 expression during prolonged hypoxia.
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Affiliation(s)
- Maciej Jaśkiewicz
- grid.11451.300000 0001 0531 3426International Research Agenda 3P- Medicine Laboratory, Medical University of Gdansk, Gdansk, Poland
| | - Adrianna Moszyńska
- grid.11451.300000 0001 0531 3426Department of Biology and Pharmaceutical Botany, Medical University of Gdansk, Gdansk, Poland
| | - Jarosław Króliczewski
- grid.11451.300000 0001 0531 3426Department of Biology and Pharmaceutical Botany, Medical University of Gdansk, Gdansk, Poland
| | - Aleksandra Cabaj
- grid.419305.a0000 0001 1943 2944Laboratory of Bioinformatics, Nencki Institute of Experimental Biology of the Polish Academy of Sciences, Warsaw, Poland
| | - Sylwia Bartoszewska
- grid.11451.300000 0001 0531 3426Department of Inorganic Chemistry, Medical University of Gdansk, Gdansk, Poland
| | - Agata Charzyńska
- grid.419305.a0000 0001 1943 2944Laboratory of Bioinformatics, Nencki Institute of Experimental Biology of the Polish Academy of Sciences, Warsaw, Poland
| | - Magda Gebert
- grid.11451.300000 0001 0531 3426Department of Biology and Pharmaceutical Botany, Medical University of Gdansk, Gdansk, Poland
| | - Michał Dąbrowski
- grid.419305.a0000 0001 1943 2944Laboratory of Bioinformatics, Nencki Institute of Experimental Biology of the Polish Academy of Sciences, Warsaw, Poland
| | - James F. Collawn
- grid.265892.20000000106344187Department of Cell, Developmental, and Integrative Biology, University of Alabama at Birmingham, BirminghamBirmingham, AL 35233 USA
| | - Rafal Bartoszewski
- grid.8505.80000 0001 1010 5103Department of Biophysics, Faculty of Biotechnology, University of Wroclaw, F. Joliot-Curie 14a Street, 50-383 Wroclaw, Poland
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18
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Moszyńska A, Jaśkiewicz M, Serocki M, Cabaj A, Crossman DK, Bartoszewska S, Gebert M, Dąbrowski M, Collawn JF, Bartoszewski R. The hypoxia-induced changes in miRNA-mRNA in RNA-induced silencing complexes and HIF-2 induced miRNAs in human endothelial cells. FASEB J 2022; 36:e22412. [PMID: 35713587 DOI: 10.1096/fj.202101987r] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 05/16/2022] [Accepted: 05/31/2022] [Indexed: 11/11/2022]
Abstract
The cellular adaptive response to hypoxia relies on the expression of hypoxia-inducible factors (HIFs), HIF-1 and HIF-2. HIFs regulate global gene expression changes during hypoxia that are necessary for restoring oxygen homeostasis and promoting cell survival. In the early stages of hypoxia, HIF-1 is elevated, whereas at the later stages, HIF-2 becomes the predominant form. What governs the transition between the two HIFs (the HIF switch) and the role of miRNAs in this regulation are not completely clear. Genome-wide expression studies on the miRNA content of RNA-induced silencing complexes (RISC) in HUVECs exposed to hypoxia compared to the global miRNA-Seq analysis revealed very specific differences between these two populations. We analyzed the miRNA and mRNA composition of RISC at 2 h (mainly HIF-1 driven), 8 h (HIF-1 and HIF-2 elevated), and 16 h (mainly HIF-2 driven) in a gene ontology context. This allowed for determining the direct impact of the miRNAs in modulating the cellular signaling pathways involved in the hypoxic adaptive response. Our results indicate that the miRNA-mRNA RISC components control the adaptive responses, and this does not always rely on the miRNA transcriptional elevations during hypoxia. Furthermore, we demonstrate that the hypoxic levels of the vast majority of HIF-1-dependent miRNAs (including miR-210-3p) are also HIF-2 dependent and that HIF-2 governs the expression of 11 specific miRNAs. In summary, the switch from HIF-1 to HIF-2 during hypoxia provides an important level of miRNA-driven control in the adaptive pathways in endothelial cells.
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Affiliation(s)
- Adrianna Moszyńska
- Department of Biology and Pharmaceutical Botany, Medical University of Gdansk, Gdansk, Poland
| | - Maciej Jaśkiewicz
- Department of Biology and Pharmaceutical Botany, Medical University of Gdansk, Gdansk, Poland
| | - Marcin Serocki
- Department of Biology and Pharmaceutical Botany, Medical University of Gdansk, Gdansk, Poland
| | - Aleksandra Cabaj
- Laboratory of Bioinformatics, Nencki Institute of Experimental Biology of the Polish Academy of Sciences, Warsaw, Poland
| | - David K Crossman
- Department of Genetics, The UAB Genomics Core Facility, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Sylwia Bartoszewska
- Department of Inorganic Chemistry, Medical University of Gdansk, Gdansk, Poland
| | - Magdalena Gebert
- Department of Biology and Pharmaceutical Botany, Medical University of Gdansk, Gdansk, Poland
| | - Michał Dąbrowski
- Laboratory of Bioinformatics, Nencki Institute of Experimental Biology of the Polish Academy of Sciences, Warsaw, Poland
| | - James F Collawn
- Department of Cell, Developmental, and Integrative Biology, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Rafal Bartoszewski
- Department of Biology and Pharmaceutical Botany, Medical University of Gdansk, Gdansk, Poland
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19
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Jaskiewicz M, Moszynska A, Serocki M, Króliczewski J, Bartoszewska S, Collawn JF, Bartoszewski R. Hypoxia-inducible factor (HIF)-3a2 serves as an endothelial cell fate executor during chronic hypoxia. EXCLI JOURNAL 2022; 21:454-469. [PMID: 35391921 PMCID: PMC8983852 DOI: 10.17179/excli2021-4622] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 02/08/2022] [Indexed: 12/20/2022]
Abstract
The adaptive response to hypoxia involves the transcriptional induction of three transcription factors called hypoxia inducible factor alpha 1, 2 and 3 (HIF-1α, HIF-2α, and HIF-3α) which dimerize with constitutively expressed beta chains that together form the HIF-1, -2 and -3 transcription factors. During normoxic conditions, the alpha chain is expressed at low levels since its stability is regulated by prolyl-hydroxylation that promotes subsequent ubiquitination and degradation. During hypoxic conditions, however, the prolyl hydroxylases are less active, and the alpha chain accumulates through elevated protein stability and the elevated induction of expression. Two of the three HIFs isoforms present in mammals, HIF-1 and HIF-2, are well characterized and have overlapping functions that promote cell survival, whereas HIF-3's role remains less clear. The HIF-3 response is complicated because the HIF3A gene can utilize different promotors and alternate splicing sites that result in a number of different HIF-3α isoforms. Here, using human umbilical vein endothelial cells (HUVECs), we demonstrate that one of the isoforms of HIF-3α, isoform 2 (HIF-3α2) accumulates at a late stage of hypoxia and induces the expression of DNA damage inducible transcript 3 (DDIT4), a gene known to promote apoptosis. We also demonstrate that caspase 3/7 activity is elevated, supporting that the role of the HIF-3α2 isoform is to promote apoptosis. Furthermore, we provide evidence that HIF-3α2 is also expressed in seven other primary endothelial cell types, suggesting that this may be a common feature of HIF-3α2 in endothelial cells.
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Affiliation(s)
- Maciej Jaskiewicz
- Department of Biology and Pharmaceutical Botany, Medical University of Gdansk, Gdansk, Poland
| | - Adrianna Moszynska
- Department of Biology and Pharmaceutical Botany, Medical University of Gdansk, Gdansk, Poland
| | - Marcin Serocki
- Department of Biology and Pharmaceutical Botany, Medical University of Gdansk, Gdansk, Poland
| | - Jaroslaw Króliczewski
- Department of Biology and Pharmaceutical Botany, Medical University of Gdansk, Gdansk, Poland
| | - Sylwia Bartoszewska
- Department of Inorganic Chemistry, Medical University of Gdansk, Gdansk, Poland
| | - James F Collawn
- Department of Cell, Developmental and Integrative Biology, University of Alabama at Birmingham, Birmingham, USA, Birmingham, AL 35233
| | - Rafal Bartoszewski
- Department of Biology and Pharmaceutical Botany, Medical University of Gdansk, Gdansk, Poland
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20
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Weng Y, Lu D, Tang L, Bao Y, Chen X, Junhai Z. Association between gene polymorphism of inflammatory factors, thrombogenic factors, and stress-related proteins and abdominal aortic aneurysm: A meta-analysis and systematic review. Vascular 2022; 31:417-432. [PMID: 35287513 DOI: 10.1177/17085381221077502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Abdominal aortic aneurysm (AAA) is a deadly disease in the elderly population. Currently, the association between single nucleotide polymorphisms (SNPs) and the presence of AAAs has become a hot topic and is a concern for many researchers. METHOD We performed a document retrieval in PubMed, EMBASE, and the Cochrane Library (to January 2020). A total of 17 case-control reports on SNPs of AAAs and eight SNPs of correlation factors were selected. All essential data, including race, age, country, criteria of AAA diagnosis, method of AAA measurement, method of genotype detection, name of SNPs, minor allele frequency (MAF), Hardy Weinberg equilibrium (HWE) of the control group, and number of cases and control groups were extracted by two reviewers independently. The fixed-effect model and random-effect model were used to calculate the overall odds ratios (ORs) and 95% confidence intervals (CIs). The association between selected SNPs and the presence of AAAs was evaluated under different genetic models (dominant, codominant, recessive, overdominant, and allele models). RESULTS A total of 17 articles (sample size ranging from to 42-665 AAA cases and 49-2,297 controls) and 23 SNPs of related factors were identified. Eight SNPs were assessed in at least two studies and were selected for further meta-analysis. We found that the A allele of interleukin (IL)-10 (-1082 G/A) (OR: 1.35, 95% CI: 1.18-1.54, p < 0.0001) was a risk factor for AAAs under random and fixed-effect models. In addition, partial genetic models of these SNPs were confirmed to be related to the presence of AAA. Subgroup analysis revealed that haptoglobin (HP)-1 was a risk factor for AAAs (OR: 1.30, 95% CI: 1.04-1.63, p = 0.02) in the European population. No association was found between the occurrence of AAA and the other SNPs. CONCLUSION In our current meta-analysis, we speculated that the genotype distribution of IL-10 (-1082 G/A) may be associated with the emergence of AAA.
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Affiliation(s)
- Yingzheng Weng
- Department of Cardiology, 584020Zhejiang Hospital, Hangzhou, Zhejiang, China
| | - Difan Lu
- Department of Medicine, the Second College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, China
| | - Lijiang Tang
- Department of Cardiology, 584020Zhejiang Hospital, Hangzhou, Zhejiang, China.,Department of Medicine, the Second College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, China.,Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yizong Bao
- Department of Geriatrics, Zhejiang Hospital, Hangzhou, ChinaRinggoldID:584020
| | - Xiaofeng Chen
- Department of Medicine, the Second College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, China.,Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Zhen Junhai
- Department of Intensive Care Medicine, 584020Zhejiang Hospital, Hangzhou, Zhejiang, China
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21
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Goody PR, Nachtsheim L, Hosen MR, von Krosigk M, Christmann D, Klussmann JP, Zietzer A, Breitrück N, Jansen F, Jansen S. Analysis of nocturnal, hypoxia-induced miRNAs in sleep apnea patients. PLoS One 2022; 17:e0263747. [PMID: 35245292 PMCID: PMC8896679 DOI: 10.1371/journal.pone.0263747] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Accepted: 01/25/2022] [Indexed: 01/04/2023] Open
Abstract
INTRODUCTION Obstructive sleep apnea syndrome (OSAS) is associated with an increased cardiovascular risk. The underlying mechanisms are largely unclear. MicroRNAs (miRNAs) are RNAs circulating in the blood that can be released into the bloodstream during hypoxia. In the present study, we investigate if OSAS-induced hypoxia results in a release of miRNAs that may mediate OSAS-associated cardiovascular damage. METHODS Blood was sampled from 23 OSAS patients before and after a polygraphically monitored night. Total circulating RNA was isolated from the plasma and quantified using real-time qPCR. Using a Taqman miRNA array, the levels of 384 different miRNAs were compared between evening and morning after polysomnography. The most highly upregulated miRNA (miRNA-505) and four additionally upregulated miRNAs (miRNA-127, miRNA-133a, miRNA-145, and miRNA-181a) were then quantified in a bigger patient cohort individually. RESULTS Apnea/Hypopnea-Index (AHI) was evaluated and averaged at 26 per hour on nocturnal polygraphy. In an initial miRNA array, a total of 4 miRNAs were significantly regulated. A significant increase of miRNA-145 was observed in the larger patient cohort. No significant changes in concentration were detected for miRNA-127, miRNA-133a, miRNA-181a, and miRNA-505 in this larger cohort. CONCLUSION OSAS results in the nocturnal release of miRNAs into the bloodstream. Our collected data may indicate a hypoxia-induced release of miRNAs into the bloodstream of OSAS-patients. In vitro experiments are needed to confirm the secretion of these miRNAs under hypoxia and evaluate the effect on the cardio vasculature.
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Affiliation(s)
- Philip Roger Goody
- Department of Medicine II, Heart Center Bonn, University Hospital Bonn, Germany
| | - Lisa Nachtsheim
- Department of Otorhinolaryngology, Head and Neck Surgery, University of Cologne, Cologne, Germany
| | | | - Miriam von Krosigk
- Department of Otorhinolaryngology, Head and Neck Surgery, University of Cologne, Cologne, Germany
| | - Dominik Christmann
- Department of Medicine II, Heart Center Bonn, University Hospital Bonn, Germany
| | - Jens Peter Klussmann
- Department of Otorhinolaryngology, Head and Neck Surgery, University of Cologne, Cologne, Germany
| | - Andreas Zietzer
- Department of Medicine II, Heart Center Bonn, University Hospital Bonn, Germany
| | - Nils Breitrück
- Department of Otorhinolaryngology, Head and Neck Surgery, University of Cologne, Cologne, Germany
| | - Felix Jansen
- Department of Medicine II, Heart Center Bonn, University Hospital Bonn, Germany
| | - Stefanie Jansen
- Department of Otorhinolaryngology, Head and Neck Surgery, University of Cologne, Cologne, Germany
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22
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Pan HT, Shi XL, Fang M, Sun XM, Chen PP, Ding JL, Xia GY, Yu B, Zhang T, Zhu HD. Profiling of exosomal microRNAs expression in umbilical cord blood from normal and preeclampsia patients. BMC Pregnancy Childbirth 2022; 22:124. [PMID: 35152894 PMCID: PMC8842963 DOI: 10.1186/s12884-022-04449-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Accepted: 02/03/2022] [Indexed: 02/08/2023] Open
Abstract
Background Epidemiological and experimental studies suggest that preeclampsia has a negative impact on maternity and offspring health. Previous studies report that dysregulation in utero-environment increases risk for elderly disease such as cardiovascular disease. However, the underlying mechanisms remain elusive. Specific microRNAs (miRNAs) are packaged in exosomes may regulate microvascular dysfunction in offspring of mothers with preeclampsia. The present study aimed to identify the differential expression profiles of microRNAs in the serum exosomes between patients with preeclampsia and normal pregnancies. Methods A comprehensive miRNA sequence-based approach was performed to compare exosomes carry miRNAs (Exo-miRNAs) expression levels in umbilical serum between normal and preeclampsia patients. Exosomes were isolated using the ExoQuick precipitation kit. Serum exosomes were then viewed under electron microscopy, and their characteristics determined by western blotting and nanoparticle-tracking analysis. Illumina platform was used to perform sequencing. Bioinformatics analysis was used to explore differentially expressed Exo-miRNAs in umbilical serum. Results Based on sequence similarity, 1733 known miRNAs were retrieved. Furthermore, 157 mature miRNAs in serum exosomes were significantly differential expressed between PE and those control groups (P<0.05, log2|FC| > 1). Out, of the 157 miRNAs, 96 were upregulated miRNAs whereas 61 miRNAs were downregulated. The 157 differentially expressed miRNAs targeted 51,424 differentially expressed genes. Functional analysis through KEGG pathway and Gene Ontology results uncovered that target genes of miRNAs with differential expression were significantly linked to several pathways and biological processes. Conclusion The findings of this study showed differential expression of umbilical serum Exo-miRNAs in normal compared with PE patients, implying that these Exo-miRNAs may associate with microvascular dysfunction in offspring of mothers with preeclampsia. Supplementary Information The online version contains supplementary material available at 10.1186/s12884-022-04449-w.
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Affiliation(s)
- Hai-Tao Pan
- Shaoxing Maternity and Child Health Care Hospital, Shaoxing, 312000, China.,Obstetrics and Gynecology Hospital of Shaoxing University, Shaoxing, China.,The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200030, China
| | - Xiao-Liang Shi
- Shaoxing Maternity and Child Health Care Hospital, Shaoxing, 312000, China.,Obstetrics and Gynecology Hospital of Shaoxing University, Shaoxing, China
| | - Min Fang
- Shaoxing Maternity and Child Health Care Hospital, Shaoxing, 312000, China.,Obstetrics and Gynecology Hospital of Shaoxing University, Shaoxing, China
| | - Xiang-Mei Sun
- Obstetrics and Gynecology Hospital of Shaoxing University, Shaoxing, China
| | - Pan-Pan Chen
- Obstetrics and Gynecology Hospital of Shaoxing University, Shaoxing, China
| | - Jin-Long Ding
- Shaoxing Maternity and Child Health Care Hospital, Shaoxing, 312000, China.,Obstetrics and Gynecology Hospital of Shaoxing University, Shaoxing, China
| | - Gui-Yu Xia
- Shaoxing Maternity and Child Health Care Hospital, Shaoxing, 312000, China.,Obstetrics and Gynecology Hospital of Shaoxing University, Shaoxing, China
| | - Bin Yu
- Shaoxing Maternity and Child Health Care Hospital, Shaoxing, 312000, China.,Obstetrics and Gynecology Hospital of Shaoxing University, Shaoxing, China
| | - Tao Zhang
- Shaoxing Maternity and Child Health Care Hospital, Shaoxing, 312000, China. .,Obstetrics and Gynecology Hospital of Shaoxing University, Shaoxing, China.
| | - Hong-Dan Zhu
- Shaoxing Maternity and Child Health Care Hospital, Shaoxing, 312000, China. .,Obstetrics and Gynecology Hospital of Shaoxing University, Shaoxing, China.
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23
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Ma W, Zhong T, Chen J, Ke X, Zuo H, Liu Q. Exogenous H2S reverses high glucose-induced endothelial progenitor cells dysfunction via regulating autophagy. Bioengineered 2022; 13:1126-1136. [PMID: 35258406 PMCID: PMC8805971 DOI: 10.1080/21655979.2021.2017695] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
This study aims to determine the effect of exogenous hydrogen sulfide (H2S) under high glucose (HG)-induced injury in endothelial progenitor cells (EPCs), and to explore the possible underlying mechanisms. Mononuclear cells were isolated from the peripheral blood of healthy volunteers by density-gradient centrifugation and identified as late EPCs by immunofluorescence and flow cytometry. EPCs were treated with high concentrations of glucose, H2S, Baf-A1, 3-MA or rapamycin. Cell proliferation, cell migration and tube formation were measured using cell counting kit-8, Transwell migration and tube formation assays, respectively. Cellular autophagy flux was detected by RFP-GFP-LC3, and Western blotting was used to examine the protein expression levels of LC3B, P62, and phosphorylated endothelial nitric oxide synthase (eNOS) at Thr495 (p-eNOSThr495). Reactive oxygen species (ROS) levels were measured using a DHE probe. H2S and rapamycin significantly reversed the inhibitory effects of HG on the proliferation, migration, and tube formation of EPCs. Moreover, H2S and rapamycin led to an increase in the number of autophagosomes accompanied by a failure in lysosomal turnover of LC3-II or p62 and p-eNOSThr495 expression and ROS production under the HG condition. However, Baf-A1 and 3-MA reversed the effects of H2S on cell behavior. Collectively, exogenous H2S ameliorated HG-induced EPC dysfunction by promoting autophagic flux and decreasing ROS production by phosphorylating eNOSThr495.
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Affiliation(s)
- Wenxue Ma
- Department of Cardiology, Huadu District People’s Hospital, Southern Medical University, Guangzhou, China
| | - Tingting Zhong
- Department of Cardiology, Fuwai Hospital, Chinese Academy of Medical Sciences, Shenzhen, (Shenzhen Sun Yat-sen Cardiovascular Hospital), Shenzhen, China
| | - Junqiu Chen
- Department of Cardiology, Fuwai Hospital, Chinese Academy of Medical Sciences, Shenzhen, (Shenzhen Sun Yat-sen Cardiovascular Hospital), Shenzhen, China
| | - Xiao Ke
- Department of Cardiology, Fuwai Hospital, Chinese Academy of Medical Sciences, Shenzhen, (Shenzhen Sun Yat-sen Cardiovascular Hospital), Shenzhen, China
| | - Huihua Zuo
- Department of Cardiology, Fuwai Hospital, Chinese Academy of Medical Sciences, Shenzhen, (Shenzhen Sun Yat-sen Cardiovascular Hospital), Shenzhen, China
| | - Qiang Liu
- Department of Cardiology, Fuwai Hospital, Chinese Academy of Medical Sciences, Shenzhen, (Shenzhen Sun Yat-sen Cardiovascular Hospital), Shenzhen, China
- Department of Cardiology, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, China
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24
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Serov D, Tankanag A, Astashev M. Low-frequency oscillations of murine skin microcirculations and periodic changes of [Ca 2+ ] i and [NO] i levels in murine endotheliocytes: An effect of provocative tests. Cell Biol Int 2021; 46:427-442. [PMID: 34882893 DOI: 10.1002/cbin.11743] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 11/07/2021] [Accepted: 12/04/2021] [Indexed: 01/14/2023]
Abstract
The five frequency intervals of skin blood oscillation were described: cardiac, respiratory, myogenic, neurogenic, and endothelial. The endothelial interval is derived into NO-independent and NO-dependent. The exact molecular, cell, or systemic mechanisms of endothelial oscillations generation are unclear. We proposed that oscillations of Ca2+ and NO in endotheliocytes may be possible sources of skin blood perfusion (SBP) oscillations in endothelial interval. To examine our hypothesis we compared the oscillations of cytoplasmic Ca2+ and NO ([Ca2+ ]i and [NO]i ) concentration in cultured murine microvascular endotheliocytes and SBP oscillations in mice. Local heating test and model hypoxia were used as tools to evaluate an interconnection of studied parameters. [Ca2+ ]i and [NO]i were measured simultaneously by Fura-2 AM and DAF-FM. The SBP was measured by laser Doppler flowmetry. The [Ca2+ ]i and [NO]i oscillations at 0.005-0.01 Hz were observed in endotheliocytes, that coincides the ranges of NO-independent endothelial interval. Heating decreased amplitude of [Ca2+ ]i and [NO]i oscillations in cells in NO-independent endothelial interval, while amplitudes of SBP oscillations increased in NO-independent and NO-dependent intervals. Hypoxia reduced the [NO]i oscillations amplitude. Heating test during hypoxia increased NO-independent endothelial SBP oscillations and decreased myogenic ones, did not effect on [NO]i oscillations, and shifted [Ca2+ ]i oscillations peak from 0.005-0.01 Hz to 0.01-0.018 Hz. We observed the [Ca2+ ]i and [NO]i oscillations synchronization within a cell and between cells for the first time. Heating abolished these synchronizations. Therefore low-frequency [Ca2+ ]i and [NO]i oscillations in endotheliocytes may be considered as modulators of low-frequency endothelial SBP oscillations.
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Affiliation(s)
- Dmitriy Serov
- Institute of Cell Biophisics, Russian Academy of Sciences, Laboratory of Cellular Neurobiology, Pushchino, Moscow region, Russia.,Prokhorov General Physics Institute of the Russian Academy of Sciences, Biophotonics Center, Moscow, Russia
| | - Arina Tankanag
- Institute of Cell Biophisics, Russian Academy of Sciences, Laboratory of Cellular Neurobiology, Pushchino, Moscow region, Russia
| | - Maksim Astashev
- Institute of Cell Biophisics, Russian Academy of Sciences, Laboratory of Cellular Neurobiology, Pushchino, Moscow region, Russia.,Prokhorov General Physics Institute of the Russian Academy of Sciences, Biophotonics Center, Moscow, Russia
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25
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miR-1226-3p Promotes eNOS Expression of Pulmonary Arterial Endothelial Cells to Mitigate Hypertension in Rats via Targeting Profilin-1. BIOMED RESEARCH INTERNATIONAL 2021; 2021:1724722. [PMID: 34778448 PMCID: PMC8580645 DOI: 10.1155/2021/1724722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 10/06/2021] [Accepted: 10/08/2021] [Indexed: 11/18/2022]
Abstract
In pulmonary arterial hypertension (PAH), microRNAs (miRNAs) are related with dysfunction of pulmonary arterial endothelial cells. miR-1226-3p was found to be downregulated in the serum of PAH patients, while few studies have illustrated the regulation mechanism of miR-1226-3p on PAH. In this study, we aimed to systematically investigate the role of miR-1226-3p in PAH. Sprague-Dawley (SD) rats were treated with monocrotaline (MCT) to establish the PAH models. The right ventricular systolic pressure (RVSP), ratio of the right ventricle to the left ventricle with septum (RV/(LV+S) ratio), and nitric oxide (NO) content were used to reflect the symptom of the rats. The rat models were used to observe the regulation mechanism of miR-1226-3p on PAH, and dual-luciferase reporter assay was used to verify the binding effect of miR-1226-3p to Pfn1. Besides, the qRT-PCR and western blot were used to measure the expression levels of miR-1226-3p and some keys proteins such as eNOS and Pfn1, respectively. The results showed that the PAH models were established successfully. The RVSP levels and the RV/(LV+S) ratio of the PAH rats were higher than those indexes in normal rats, while the NO content showed the opposite trends. Besides, the decreased miR-1226-3p and eNOS were, respectively, found in the PAH rats and rPAECs, and overexpressed miR-1226-3p could reverse the disadvantages of the PAH rats including increased RVSP, high RV/(LV+S) ratio, and decreased NO content. Furthermore, miR-1226-3p could directly target the 3'-UTR of Profilin-1 (Pfn1). Overexpressed Pfn1 led to decreased eNOS, while miR-1226-3p could partly inhibit the expression of Pfn1 and increase the expression level of eNOS in rPAECs. In summary, this study suggests miR-1226-3p as a protector to increase eNOS, improve NO content in rPAECs of the PAH rats via targeting Pfn, and finally protect the rats from the injury induced by PAH.
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Yang Y, Gao C, Yang T, Sha Y, Cai Y, Wang X, Yang Q, Liu C, Wang B, Zhao S. Vascular characteristics and expression of hypoxia genes in Tibetan pigs' hearts. Vet Med Sci 2021; 8:177-186. [PMID: 34561963 PMCID: PMC8788992 DOI: 10.1002/vms3.639] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Background Tibetan pigs have exhibited unique characteristics from low‐altitudes pigs and adapted well to the Qinghai‐Tibet Plateau. Objectives The current study was undertaken to investigate the hypoxic adaptation of heart in Tibetan pigs. Methods The hearts of Tibetan pigs and Landrace pigs raised at high or low altitudes were compared using 3D casting technology, scanning electron microscopy and real‐time quantitative PCR (qRT‐PCR). Results We found that the ratio of the major axis to the minor axis and the density of the heart were significantly higher in Tibetan pigs than in Landrace pigs (p < 0.05). Tibetan pigs had larger diameters and higher densities of arterioles than Landrace pigs (p < 0.05), and these features have a similar variation with the expression of vascular endothelial growth factor (VEGF). The cardiac expression levels of hypoxia‐inducible factor‐1α (HIF‐1α) and endothelial nitric oxide synthase (eNOS) were significantly higher in pigs reared at high altitudes than in those reared at low altitudes (p < 0.05). In contrast, Egl nine homolog 1 (EGLN1) had the opposite trend with respect to HIF‐1α and eNOS and was related to red blood cell (RBC) counts. Notably, the expressions of erythropoietin (EPO) and endothelial PAS domain‐containing protein 1 (EPAS1) were significantly higher in Landrace pigs kept at high altitudes than in the others (p < 0.05) and were associated with haemoglobin. Conclusions These findings show that the regulation of the heart function of Tibetan pigs in a hypoxic environment is manifested at various levels to ensure the circulation of blood under extreme environmental conditions.
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Affiliation(s)
- Yanan Yang
- College of Animal Science & Technology, Gansu Agricultural University, Lanzhou, P.R. China
| | - Caixia Gao
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, P.R. China
| | - Tianliang Yang
- College of Animal Science & Technology, Gansu Agricultural University, Lanzhou, P.R. China
| | - Yuzhu Sha
- College of Animal Science & Technology, Gansu Agricultural University, Lanzhou, P.R. China
| | - Yuan Cai
- College of Animal Science & Technology, Gansu Agricultural University, Lanzhou, P.R. China
| | - Xinrong Wang
- College of Animal Science & Technology, Gansu Agricultural University, Lanzhou, P.R. China
| | - Qiaoli Yang
- College of Animal Science & Technology, Gansu Agricultural University, Lanzhou, P.R. China
| | - Chengze Liu
- College of Animal Science & Technology, Gansu Agricultural University, Lanzhou, P.R. China
| | - Biao Wang
- College of Animal Science & Technology, Gansu Agricultural University, Lanzhou, P.R. China
| | - Shengguo Zhao
- College of Animal Science & Technology, Gansu Agricultural University, Lanzhou, P.R. China
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27
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Jones DT, Macdonald JH, Sandoo A, Oliver SJ, Rossetti GMK. The deleterious effects of acute hypoxia on microvascular and large vessel endothelial function. Exp Physiol 2021; 106:1699-1709. [PMID: 34036677 DOI: 10.1113/ep089393] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Accepted: 05/12/2021] [Indexed: 12/14/2022]
Abstract
NEW FINDINGS What is the central question of this study? The aim was primarily to determine the effect of hypoxia on microvascular function and secondarily whether superior cardiorespiratory fitness is protective against hypoxia-induced impairment in vascular function. What is the main finding and its importance? Hypoxia reduced endothelium-dependent but not endothelium-independent microvascular function. The extent of impairment was twofold higher in the microcirculation compared with the large blood vessels. This study suggests that individuals with superior cardiorespiratory fitness might preserve microvascular function in hypoxia. These findings highlight the sensitivity of the microvascular circulation to hypoxia. ABSTRACT Hypoxia is associated with diminished bioavailability of the endothelium-derived vasodilator, nitric oxide (NO). Diminished NO bioavailability can have deleterious effects on endothelial function. The endothelium is a heterogeneous tissue; therefore, a comprehensive assessment of endothelial function is crucial to understand the significance of hypoxia-induced endothelial dysfunction. We hypothesized that acute hypoxia would have a deleterious effect on microvascular and large vessel endothelial function. Twenty-nine healthy adults [24 (SD = 4 ) years of age] completed normoxic and hypoxic [inspired O2 fraction = 0.209] trials in this double-blinded, counterbalanced crossover study. After 30 min, we assessed the laser Doppler imaging-determined perfusion response to iontophoresis of ACh as a measure of endothelium-dependent microvascular function and iontophoresis of sodium nitroprusside as a measure of endothelium-independent microvascular function. After 60 min, we assessed brachial flow-mediated dilatation as a measure of large vessel endothelial function. Thirty minutes of hypoxia reduced endothelium-dependent microvascular function determined by the perfusion response to ACh (median difference (x̃∆) = -109% {interquartile range: 542.7}, P < 0.05), but not endothelium-independent microvascular function determined by the perfusion response to sodium nitroprusside (x̃∆ = 69% {interquartile range: 453.7}, P = 0.6). In addition, 60 min of hypoxia reduced allometrically scaled flow-mediated dilatation compared with normoxia ( x ¯ Δ = - 1.19 [95% CI = -1.80, -0.58 (Confidence Intervals)]%, P < 0.001). The decrease in microvascular endothelial function was associated with cardiorespiratory fitness (r = 0.45, P = 0.02). In conclusion, acute exposure to normobaric hypoxia significantly reduced endothelium-dependent vasodilatory capacity in small and large vessels. Collectively, these findings highlight the sensitivity of the microvascular circulation to hypoxic insult, particularly in those with poor cardiorespiratory fitness.
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Affiliation(s)
- Danial T Jones
- School of Sport, Health and Exercise Sciences, College of Human Sciences, Bangor University, Bangor, UK
| | - Jamie H Macdonald
- School of Sport, Health and Exercise Sciences, College of Human Sciences, Bangor University, Bangor, UK
| | - Aamer Sandoo
- School of Sport, Health and Exercise Sciences, College of Human Sciences, Bangor University, Bangor, UK
| | - Samuel J Oliver
- School of Sport, Health and Exercise Sciences, College of Human Sciences, Bangor University, Bangor, UK
| | - Gabriella M K Rossetti
- School of Sport, Health and Exercise Sciences, College of Human Sciences, Bangor University, Bangor, UK.,Centre for Integrative Neuroscience and Neurodynamics, School of Psychology and Clinical Language Sciences, University of Reading, Reading, UK
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Janaszak-Jasiecka A, Siekierzycka A, Płoska A, Dobrucki IT, Kalinowski L. Endothelial Dysfunction Driven by Hypoxia-The Influence of Oxygen Deficiency on NO Bioavailability. Biomolecules 2021; 11:biom11070982. [PMID: 34356605 PMCID: PMC8301841 DOI: 10.3390/biom11070982] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 06/25/2021] [Accepted: 07/02/2021] [Indexed: 12/12/2022] Open
Abstract
Cardiovascular diseases (CVDs) are the leading cause of death worldwide. The initial stage of CVDs is characterized by endothelial dysfunction, defined as the limited bioavailability of nitric oxide (NO). Thus, any factors that interfere with the synthesis or metabolism of NO in endothelial cells are involved in CVD pathogenesis. It is well established that hypoxia is both the triggering factor as well as the accompanying factor in cardiovascular disease, and diminished tissue oxygen levels have been reported to influence endothelial NO bioavailability. In endothelial cells, NO is produced by endothelial nitric oxide synthase (eNOS) from L-Arg, with tetrahydrobiopterin (BH4) as an essential cofactor. Here, we discuss the mechanisms by which hypoxia affects NO bioavailability, including regulation of eNOS expression and activity. What is particularly important is the fact that hypoxia contributes to the depletion of cofactor BH4 and deficiency of substrate L-Arg, and thus elicits eNOS uncoupling-a state in which the enzyme produces superoxide instead of NO. eNOS uncoupling and the resulting oxidative stress is the major driver of endothelial dysfunction and atherogenesis. Moreover, hypoxia induces impairment in mitochondrial respiration and endothelial cell activation; thus, oxidative stress and inflammation, along with the hypoxic response, contribute to the development of endothelial dysfunction.
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Affiliation(s)
- Anna Janaszak-Jasiecka
- Department of Medical Laboratory Diagnostics—Fahrenheit Biobank BBMRI.pl, Medical University of Gdansk, 80-211 Gdansk, Poland; (A.J.-J.); (A.S.); (A.P.)
- Biobanking and Biomolecular Resources Research Infrastructure Poland (BBMRI.pl), 80-211 Gdansk, Poland
| | - Anna Siekierzycka
- Department of Medical Laboratory Diagnostics—Fahrenheit Biobank BBMRI.pl, Medical University of Gdansk, 80-211 Gdansk, Poland; (A.J.-J.); (A.S.); (A.P.)
- Laboratory of Trace Elements Neurobiology, Institute of Pharmacology, Polish Academy of Sciences, 31-343 Krakow, Poland
| | - Agata Płoska
- Department of Medical Laboratory Diagnostics—Fahrenheit Biobank BBMRI.pl, Medical University of Gdansk, 80-211 Gdansk, Poland; (A.J.-J.); (A.S.); (A.P.)
- Biobanking and Biomolecular Resources Research Infrastructure Poland (BBMRI.pl), 80-211 Gdansk, Poland
| | - Iwona T. Dobrucki
- University of Illinois at Urbana-Champaign Beckman Institute for Advanced Science and Technology, 405 N Mathews Ave, MC-251, Urbana, IL 61801, USA;
- Department of Bioengineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Leszek Kalinowski
- Department of Medical Laboratory Diagnostics—Fahrenheit Biobank BBMRI.pl, Medical University of Gdansk, 80-211 Gdansk, Poland; (A.J.-J.); (A.S.); (A.P.)
- Biobanking and Biomolecular Resources Research Infrastructure Poland (BBMRI.pl), 80-211 Gdansk, Poland
- BioTechMed Centre, Department of Mechanics of Materials and Structures, Gdansk University of Technology, 80-233 Gdansk, Poland
- Correspondence:
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Yang Y, Gao C, Yang T, Sha Y, Cai Y, Wang X, Yang Q, Liu C, Wang B, Zhao S. Characteristics of Tibetan pig lung tissue in response to a hypoxic environment on the Qinghai-Tibet Plateau. Arch Anim Breed 2021; 64:283-292. [PMID: 34235247 PMCID: PMC8253108 DOI: 10.5194/aab-64-283-2021] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 05/18/2021] [Indexed: 01/04/2023] Open
Abstract
To adapt to the plateau environment, Tibetan pigs' lungs have developed a
unique physiological mechanism during evolution. The vascular corrosion
casting technique and scanning electron microscopy were used to understand
arterial architecture. Blood physiological index and quantitative real-time PCR (qRT-PCR) were used
for
assessing whether the lung can regulate the body through anatomical, physiological
and molecular mechanisms to adapt to hypoxic environments. Our study showed
that the lungs of Tibetan pigs were heavier and wider and that the pulmonary
arteries were thicker and branched and had a denser vascular network than
those of Landrace pigs. The hemoglobin (HGB), mean corpuscular hemoglobin
concentration (MCHC) values of high-altitude pigs were significantly higher
than those of low-altitude pigs. The expression levels of HIF-
1α
,
EPAS1, EPO and VEGF, but not those of
eNOSand EGLN1, were significantly higher in the lungs of
high-altitude pigs than in those from pigs at a lower altitude (
P<0.05
). These findings and a comprehensive analysis help elucidate the
pulmonary mechanism of hypoxic adaptation in pigs.
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Affiliation(s)
- Yanan Yang
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China
| | - Caixia Gao
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150069, China
| | - Tianliang Yang
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China
| | - Yuzhu Sha
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China
| | - Yuan Cai
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China
| | - Xinrong Wang
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China
| | - Qiaoli Yang
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China
| | - Chengze Liu
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China
| | - Biao Wang
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China
| | - Shengguo Zhao
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China
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30
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Krause BJ. Novel insights for the role of nitric oxide in placental vascular function during and beyond pregnancy. J Cell Physiol 2021; 236:7984-7999. [PMID: 34121195 DOI: 10.1002/jcp.30470] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 05/28/2021] [Accepted: 06/01/2021] [Indexed: 01/02/2023]
Abstract
More than 30 years have passed since endothelial nitric oxide synthesis was described using the umbilical artery and vein endothelium. That seminal report set the cornerstone for unveiling the molecular aspects of endothelial function. In parallel, the understanding of placental physiology has gained growing interest, due to its crucial role in intrauterine development, with considerable long-term health consequences. This review discusses the evidence for nitric oxide (NO) as a critical player of placental development and function, with a special focus on endothelial nitric oxide synthase (eNOS) vascular effects. Also, the regulation of eNOS-dependent vascular responses in normal pregnancy and pregnancy-related diseases and their impact on prenatal and postnatal vascular health are discussed. Recent and compelling evidence has reinforced that eNOS regulation results from a complex network of processes, with novel data concerning mechanisms such as mechano-sensing, epigenetic, posttranslational modifications, and the expression of NO- and l-arginine-related pathways. In this regard, most of these mechanisms are expressed in an arterial-venous-specific manner and reflect traits of the fetal systemic circulation. Several studies using umbilical endothelial cells are not aimed to understand placental function but general endothelial function, reinforcing the influence of the placenta on general knowledge in physiology.
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Affiliation(s)
- Bernardo J Krause
- Instituto de Ciencias de la Salud, Universidad de O'Higgins, Rancagua, Chile
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Ciesielska S, Slezak-Prochazka I, Bil P, Rzeszowska-Wolny J. Micro RNAs in Regulation of Cellular Redox Homeostasis. Int J Mol Sci 2021; 22:6022. [PMID: 34199590 PMCID: PMC8199685 DOI: 10.3390/ijms22116022] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 05/27/2021] [Accepted: 05/30/2021] [Indexed: 02/08/2023] Open
Abstract
In living cells Reactive Oxygen Species (ROS) participate in intra- and inter-cellular signaling and all cells contain specific systems that guard redox homeostasis. These systems contain both enzymes which may produce ROS such as NADPH-dependent and other oxidases or nitric oxide synthases, and ROS-neutralizing enzymes such as catalase, peroxiredoxins, thioredoxins, thioredoxin reductases, glutathione reductases, and many others. Most of the genes coding for these enzymes contain sequences targeted by micro RNAs (miRNAs), which are components of RNA-induced silencing complexes and play important roles in inhibiting translation of their targeted messenger RNAs (mRNAs). In this review we describe miRNAs that directly target and can influence enzymes responsible for scavenging of ROS and their possible role in cellular redox homeostasis. Regulation of antioxidant enzymes aims to adjust cells to survive in unstable oxidative environments; however, sometimes seemingly paradoxical phenomena appear where oxidative stress induces an increase in the levels of miRNAs which target genes which are supposed to neutralize ROS and therefore would be expected to decrease antioxidant levels. Here we show examples of such cellular behaviors and discuss the possible roles of miRNAs in redox regulatory circuits and further cell responses to stress.
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Affiliation(s)
- Sylwia Ciesielska
- Department of Systems Biology and Engineering, Faculty of Automatic Control, Electronics and Computer Science, Silesian University of Technology, 44-100 Gliwice, Poland; (P.B.); (J.R.-W.)
- Biotechnology Centre, Silesian University of Technology, 44-100 Gliwice, Poland;
| | | | - Patryk Bil
- Department of Systems Biology and Engineering, Faculty of Automatic Control, Electronics and Computer Science, Silesian University of Technology, 44-100 Gliwice, Poland; (P.B.); (J.R.-W.)
- Biotechnology Centre, Silesian University of Technology, 44-100 Gliwice, Poland;
| | - Joanna Rzeszowska-Wolny
- Department of Systems Biology and Engineering, Faculty of Automatic Control, Electronics and Computer Science, Silesian University of Technology, 44-100 Gliwice, Poland; (P.B.); (J.R.-W.)
- Biotechnology Centre, Silesian University of Technology, 44-100 Gliwice, Poland;
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32
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Vega-Tapia F, Peñaloza E, Krause BJ. Specific arterio-venous transcriptomic and ncRNA-RNA interactions in human umbilical endothelial cells: A meta-analysis. iScience 2021; 24:102675. [PMID: 34222842 PMCID: PMC8243012 DOI: 10.1016/j.isci.2021.102675] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 04/21/2021] [Accepted: 05/27/2021] [Indexed: 01/06/2023] Open
Abstract
Whether arterial-venous differences of primary endothelial cells commonly used for vascular research are preserved in vitro remains under debate. To address this issue, a meta-analysis of Affymetrix transcriptomic data sets from human umbilical artery (HUAECs) and vein (HUVEC) endothelial cells was performed. The meta-analysis showed 2,742 transcripts differentially expressed (false discovery rate <0.05), of which 78% were downregulated in HUVECs. Comparisons with RNA-seq data sets showed high levels of agreement and correlation (p < 0.0001), identifying 84 arterial-venous identity markers. Functional analysis revealed enrichment of key vascular processes in HUAECs/HUVECs, including nitric oxide- (NO) and hypoxia-related genes, as well as differences in miRNA- and ncRNA-mRNA interaction profiles. A proof of concept of these findings in primary cells exposed to hypoxia in vitro and in vivo confirmed the arterial-venous differences in NO-related genes and miRNAs. Altogether, these data defined a cross-platform arterial-venous transcript profile for cultured HUAEC-HUVEC and support a preserved identity involving key vascular pathways post-transcriptionally regulated in vitro. Transcriptional differences among HUAEC and HUVEC are preserved in culture These differences occur even after correcting for experimental conditions The heterogenous regulation affects NO- and hypoxia-related genes Cell-specific ncRNA/mRNA interactions are found
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Affiliation(s)
- Fabian Vega-Tapia
- Instituto de Ciencias de la Salud, Universidad de O'Higgins, Avenida Libertador Bernardo O'Higgins 611, Rancagua, Chile
| | - Estefania Peñaloza
- Instituto de Ciencias de la Salud, Universidad de O'Higgins, Avenida Libertador Bernardo O'Higgins 611, Rancagua, Chile
| | - Bernardo J Krause
- Instituto de Ciencias de la Salud, Universidad de O'Higgins, Avenida Libertador Bernardo O'Higgins 611, Rancagua, Chile
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33
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Reid JA, McDonald A, Callanan A. Modulating electrospun polycaprolactone scaffold morphology and composition to alter endothelial cell proliferation and angiogenic gene response. PLoS One 2020; 15:e0240332. [PMID: 33031435 PMCID: PMC7544109 DOI: 10.1371/journal.pone.0240332] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Accepted: 09/23/2020] [Indexed: 02/06/2023] Open
Abstract
The aim of this study was to look at how the composition and morphology of polymer scaffolds could be altered to create an optimized environment for endothelial cells. Four polycaprolactone (PCL) scaffolds were electrospun with increasing fibre diameters ranging from 1.64 μm to 4.83 μm. The scaffolds were seeded with human umbilical vein endothelial cells (HUVEC) and cultured for 12 days. PCL scaffolds were then electrospun incorporating decellularized bovine aorta ECM and cultured in a hypoxic environment. We noted deeper cell infiltration on the largest fibre diameter compared to the other three scaffolds which resulted in an increase in the gene expression of CD31; a key angiogenic marker. Increased cell viability and cell proliferation were also noted on the largest fibre. Furthermore, we noted that the incorporation of extracellular matrix (ECM) had minimal effect on cell viability, both in normoxic and hypoxic culture conditions. Our results showed that these environments had limited influences on hypoxic gene expression. Interestingly, the major findings from this study was the production of excretory ECM components as shown in the scanning electron microscopy (SEM) images. The results from this study suggest that fibre diameter had a bigger impact on the seeded HUVECs than the incorporation of ECM or the culture conditions. The largest fibre dimeter (4.83 μm) is more suitable for seeding of HUVECs.
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Affiliation(s)
- James Alexander Reid
- Institute for Bioengineering, School of Engineering, The University of Edinburgh, Edinburgh, United Kingdom
| | - Alison McDonald
- Institute for Bioengineering, School of Engineering, The University of Edinburgh, Edinburgh, United Kingdom
| | - Anthony Callanan
- Institute for Bioengineering, School of Engineering, The University of Edinburgh, Edinburgh, United Kingdom
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34
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Zeineh N, Denora N, Laquintana V, Franco M, Weizman A, Gavish M. Efficaciousness of Low Affinity Compared to High Affinity TSPO Ligands in the Inhibition of Hypoxic Mitochondrial Cellular Damage Induced by Cobalt Chloride in Human Lung H1299 Cells. Biomedicines 2020; 8:biomedicines8050106. [PMID: 32370132 PMCID: PMC7277862 DOI: 10.3390/biomedicines8050106] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Revised: 04/29/2020] [Accepted: 04/30/2020] [Indexed: 12/25/2022] Open
Abstract
The 18 kDa translocator protein (TSPO) plays an important role in apoptotic cell death, including apoptosis induced by the hypoxia mimicking agent cobalt chloride (CoCl2). In this study, the protective effects of a high (CB86; Ki = 1.6 nM) and a low (CB204; Ki = 117.7 nM) affinity TSPO ligands were investigated in H1299 lung cancer cell line exposed to CoCl2. The lung cell line H1299 was chosen in the present study since they express TSPO and able to undergo programmed cell death. The examined cell death markers included: ATP synthase reversal, reactive oxygen species (ROS) generation, mitochondrial membrane potential (Δψm) depolarization, cellular toxicity, and cellular viability. Pretreatment of the cells with the low affinity ligand CB204 at a concentration of 100 µM suppressed significantly (p < 0.05 for all) CoCl2-induced cellular cytotoxicity (100%), ATP synthase reversal (67%), ROS generation (82%), Δψm depolarization (100%), reduction in cellular density (97%), and also increased cell viability (85%). Furthermore, the low affinity TSPO ligand CB204, was harmless when given by itself at 100 µM. In contrast, the high affinity ligand (CB86) was significantly effective only in the prevention of CoCl2–induced ROS generation (39%, p < 0.001), and showed significant cytotoxic effects when given alone at 100 µM, as reflected in alterations in ADP/ATP ratio, oxidative stress, mitochondrial membrane potential depolarization and cell death. It appears that similar to previous studies on brain-derived cells, the relatively low affinity for the TSPO target enhances the potency of TSPO ligands in the protection from hypoxic cell death. Moreover, the high affinity TSPO ligand CB86, but not the low affinity ligand CB204, was lethal to the lung cells at high concentration (100 µM). The low affinity TSPO ligand CB204 may be a candidate for the treatment of pulmonary diseases related to hypoxia, such as pulmonary ischemia and chronic obstructive pulmonary disease COPD.
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Affiliation(s)
- Nidal Zeineh
- The Ruth and Bruce Rappaport Faculty of Medicine, Technion Institute of Technology, Haifa 31096, Israel;
| | - Nunzio Denora
- Department of Pharmacy–Pharmaceutical Sciences, University of Bari “Aldo Moro”, 70125 Bari, Italy; (N.D.); (V.L.); (M.F.)
- Institute for Chemical and Physical Processes (IPCF)-CNR SS Bari, Via Orabona 4, 70126 Bari, Italy
| | - Valentino Laquintana
- Department of Pharmacy–Pharmaceutical Sciences, University of Bari “Aldo Moro”, 70125 Bari, Italy; (N.D.); (V.L.); (M.F.)
| | - Massimo Franco
- Department of Pharmacy–Pharmaceutical Sciences, University of Bari “Aldo Moro”, 70125 Bari, Italy; (N.D.); (V.L.); (M.F.)
| | - Abraham Weizman
- Research Unit at Geha Mental Health Center and Laboratory of Biological Psychiatry at Felsenstein Medical Research Center, Petah Tikva 4910002, Israel;
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Moshe Gavish
- The Ruth and Bruce Rappaport Faculty of Medicine, Technion Institute of Technology, Haifa 31096, Israel;
- Correspondence: ; Tel.: +972-4829-5275; Fax: +972-4829-5330
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Bartoszewska S, Collawn JF. Unfolded protein response (UPR) integrated signaling networks determine cell fate during hypoxia. Cell Mol Biol Lett 2020; 25:18. [PMID: 32190062 PMCID: PMC7071609 DOI: 10.1186/s11658-020-00212-1] [Citation(s) in RCA: 76] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Accepted: 02/26/2020] [Indexed: 02/06/2023] Open
Abstract
During hypoxic conditions, cells undergo critical adaptive responses that include the up-regulation of hypoxia-inducible proteins (HIFs) and the induction of the unfolded protein response (UPR). While their induced signaling pathways have many distinct targets, there are some important connections as well. Despite the extensive studies on both of these signaling pathways, the exact mechanisms involved that determine survival versus apoptosis remain largely unexplained and therefore beyond therapeutic control. Here we discuss the complex relationship between the HIF and UPR signaling pathways and the importance of understanding how these pathways differ between normal and cancer cell models.
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Affiliation(s)
- Sylwia Bartoszewska
- Department of Inorganic Chemistry, Medical University of Gdansk, Gdansk, Poland
| | - James F. Collawn
- Department of Cell, Developmental and Integrative Biology, University of Alabama at Birmingham, Birmingham, USA
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Guo Y, Li D, Li J, Yang N, Wang D. Expression and Significance of MicroRNA155 in Serum of Patients with Cerebral Small Vessel Disease. J Korean Neurosurg Soc 2020; 63:463-469. [PMID: 32156102 PMCID: PMC7365280 DOI: 10.3340/jkns.2019.0179] [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: 08/16/2019] [Accepted: 11/30/2019] [Indexed: 11/27/2022] Open
Abstract
Objective This study aimed to investigate the changes and significance of microRNA155 levels in serum of patients with cerebral small vessel disease (CSVD).
Methods Thirty patients with CSVD who met the inclusion criteria were selected and divided into eight patients with lacunar infarction (LI) group and 22 patients with multiple lacunar infarction (MLI) combined with white matter lesions (WML) group according to the results of head magnetic resonance imaging (MRI). Thirty samples from healthy volunteers without abnormalities after head MRI examination were selected as the control group. The levels of serum microRNA155 in each group were determined by real-time polymerase chain reaction, and the correlation between microRNA155 in the serum of patients with CSVD and the increase of imaging lesions was analyzed by Spearman correlation analysis.
Results Compared with the control group, the serum microRNA155 level in the LI group, MLI combined with WML group increased, the difference was statistically significant (p<0.05); serum microRNA155 level was positively correlated with the increase of imaging lesions (p<0.05).
Conclusion The change of serum microRNA155 level in patients with CSVD may be one of its self-protection mechanisms, and the intensity of this self-protection mechanism is positively correlated with the number of CSVD lesions.
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Affiliation(s)
- Ying Guo
- Department of Neurology, Pu'er People's Hospital, Pu'er, China
| | - Dongxue Li
- Department of Neurology, Pu'er People's Hospital, Pu'er, China
| | - Jiapei Li
- Department of Internal Medicine, Pu'er City Prison Hospital, Pu'er, China
| | - Nan Yang
- Department of Neurology, Pu'er People's Hospital, Pu'er, China
| | - Deyun Wang
- Department of Neurology, Pu'er People's Hospital, Pu'er, China
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Kozak J, Jonak K, Maciejewski R. The function of miR-200 family in oxidative stress response evoked in cancer chemotherapy and radiotherapy. Biomed Pharmacother 2020; 125:110037. [PMID: 32187964 DOI: 10.1016/j.biopha.2020.110037] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 02/14/2020] [Accepted: 02/17/2020] [Indexed: 12/14/2022] Open
Abstract
Since the beginning of the discovery of microRNAs (miRs), these molecules have attracted highly progressive attention due to their powerful regulatory roles in a broad spectrum of biological processes, including proliferation, differentiation, apoptosis and carcinogenesis. With regard to carcinogenesis, the miRs regulatory potency has been associated with cancer onset, progression, metastasis, diagnosis and therapeutic response. In this review we discuss the impact of miR-200 family on drug resistance development during anti-cancer therapy. Developing resistance to chemotherapeutic drugs as well as radiotherapy are major clinical obstacles in the successful therapeutic strategies to cancer treatment. Acquired cancer chemoresistance is a multifactorial phenomenon involving such factors as tumor type, tumor stage, cellular reactive oxygen species (ROS) level or ROS-responsive miRs profile. ROS level could influence the miRs expression level, which changes the cellular profile of the content of miRs. Such significant changes in the cellular miRs profile generate subsequent biological effects through the regulation of their target genes. This review outlines the interactions between ROS and miR-200 family in different kinds of cancers in response to chemotherapy.
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Affiliation(s)
- Joanna Kozak
- Department of Normal Anatomy, Medical University of Lublin, 20-090 Lublin, Poland.
| | - Katarzyna Jonak
- Interfaculty Centre for Didactics, Department of Foreign Languages, Medical University of Lublin, 20-081 Lublin, Poland
| | - Ryszard Maciejewski
- Department of Normal Anatomy, Medical University of Lublin, 20-090 Lublin, Poland
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Behera J, Nagarajan S, Saran U, Kumar R, Keshri GK, Suryakumar G, Chatterjee S. Nitric oxide restores peripheral blood mononuclear cell adhesion against hypoxia via NO-cGMP signalling. Cell Biochem Funct 2020; 38:319-329. [PMID: 31989682 DOI: 10.1002/cbf.3502] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Revised: 08/01/2019] [Accepted: 12/12/2019] [Indexed: 11/10/2022]
Abstract
Hypoxia is the most detrimental threat to humans residing at high altitudes, affecting multifaceted cellular responses that are crucial for normal homeostasis. Inhalation of nitric oxide has been successfully implemented to combat the hypoxia effect in the high altitude patients. We hypothesize that nitric oxide (NO) restores the peripheral blood mononuclear cell-matrix deadhesion during hypoxia. In the present study, we investigate the cellular action of exogenous NO in the hypoxia-mediated diminution of cell-matrix adhesion of PBMNC and NO bioavailability in vitro. The result showed that NO level and cell-matrix adhesion of PBMNC were significantly reduced in hypoxia as compared with normoxia, as assessed by the DAF-FM and cell adhesion assay, respectively. In contrast, cellular oxidative damage response was indeed upregulated in hypoxic PBMNC. Further, gene expression analysis revealed that mRNA transcripts of cell adhesion molecules (Integrin α5 and β1) and eNOS expressions were significantly downregulated. The mechanistic study revealed that administration of NO and 8-Br-cGMP and overexpression of eNOS-GFP restored the basal NO level and recovers cell-matrix adhesion in PBMNC via cGMP-dependent protein kinase I (PKG I) signalling. In conclusion, NO-cGMP/PKG signalling may constitute a novel target to recover high altitude-afflicted cellular deadhesion. SIGNIFICANCE OF THIS STUDY: Cellular adhesion is a complex multistep process. The ability of cells to adhere to extracellular matrix is an essential physiological process for normal homeostasis and function. Hypoxia exposure in the PBMNC culture has been proposed to induce oxidative damage and cellular deadhesion and is generally believed to be the key factor in the reduction of NO bioavailability. In the present study, we demonstrated that NO donor or overexpression of eNOS-GFP has a protective effect against hypoxia-induced cellular deadhesion and greatly improves the redox balance by inhibiting the oxidative stress. Furthermore, this protective effect of NO is mediated by the NO-cGMP/PKG signal pathway, which may provide a potential strategy against hypoxia.
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Affiliation(s)
- Jyotirmaya Behera
- Vascular Biology Lab, AU-KBC Research Centre, MIT Campus of Anna University, Chennai, India
| | - Shunmugam Nagarajan
- Vascular Biology Lab, AU-KBC Research Centre, MIT Campus of Anna University, Chennai, India
| | - Uttara Saran
- Department of Biotechnology, Anna University, Chennai, India
| | - Ravi Kumar
- Defence Institute of Physiology and Allied Sciences, Delhi, India
| | - Gaurav K Keshri
- Defence Institute of Physiology and Allied Sciences, Delhi, India
| | | | - Suvro Chatterjee
- Vascular Biology Lab, AU-KBC Research Centre, MIT Campus of Anna University, Chennai, India.,Department of Biotechnology, Anna University, Chennai, India
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Inhibition of miR-200b-3p alleviates hypoxia-ischemic brain damage via targeting Slit2 in neonatal rats. Biochem Biophys Res Commun 2020; 523:931-938. [PMID: 31964527 DOI: 10.1016/j.bbrc.2020.01.029] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Accepted: 01/02/2020] [Indexed: 12/20/2022]
Abstract
BACKGROUND Brain damage in premature infants often occurs in very low birth weight infants (VLBW) as a result of hypoxia-ischemia and can lead to cognitive impairment and movement disorders. Many miRNAs have been demonstrated to participate in hypoxia-ischemic brain damage (HIBD). This study was designed to investigate the roles of miR-200b-3p in brain damage of neonatal rats induced by hypoxia-ischemia. METHODS AND RESULTS Three-day-old SD rats were used to establish the model of hypoxia-ischemic brain injury mimicking premature infants. RT-qPCR showed that miR-200b-3p was up-regulated in rat brains at the early stage following hypoxia-ischemic treatment. Bioinformatics analysis identified that Slit2 is a target gene of miR-200b-3p and luciferase reporter gene assay confirmed that miR-200b-3p can interact with and target Slit2 mRNA. Inhibition of miR-200b-3p by antagomir increased Slit2 expression at both the mRNA and protein levels in rat brains. TUNEL assay and transmission electron microscopy (TEM) analysis showed decreased numbers of apoptotic neurons in the hypoxia-ischemia-treated animals as a result of administration of miR-200b-3p antagomir. Administration of miR-200b-3p antagomir attenuated spatial and learning memory loss in the animals induced by hypoxia-ischemia as compared to controls. CONCLUSION Our study has demonstrated that Slit2 is a target gene of miR-200b-3p and that the hypoxia-ischemic brain damage in neonatal rats was alleviated by inhibiting miR-200b-3p via Slit2. miR-200b-3p may be a potential therapeutic target of HIBD for further investigation.
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40
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Yang YD, Li MM, Xu G, Zhang EL, Chen J, Sun B, Chen DW, Gao YQ. Targeting mitochondria-associated membranes as a potential therapy against endothelial injury induced by hypoxia. J Cell Biochem 2019; 120:18967-18978. [PMID: 31241212 DOI: 10.1002/jcb.29220] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Accepted: 06/04/2019] [Indexed: 02/06/2023]
Abstract
Mitochondrial dysfunction plays a principal role in hypoxia-induced endothelial injury, which is involved in hypoxic pulmonary hypertension and ischemic cardiovascular diseases. Recent studies have identified mitochondria-associated membranes (MAMs) that modulate mitochondrial function under a variety of pathophysiological conditions such as high-fat diet-mediated insulin resistance, hypoxia reoxygenation-induced myocardial death, and hypoxia-evoked vascular smooth muscle cell proliferation. However, the role of MAMs in hypoxia-induced endothelial injury remains unclear. To explore this further, human umbilical vein endothelial cells and human pulmonary artery endothelial cells were exposed to hypoxia (1% O2 ) for 24 hours. An increase in MAM formation was uncovered by immunoblotting and immunofluorescence. Then, we performed small interfering RNA transfection targeted to MAM constitutive proteins and explored the biological effects. Knockdown of MAM constitutive proteins attenuated hypoxia-induced elevation of mitochondrial Ca2+ and repressed mitochondrial impairment, leading to an increase in mitochondrial membrane potential and ATP production and a decline in reactive oxygen species. Then, we found that MAM disruption mitigated cell apoptosis and promoted cell survival. Next, other protective effects, such as those pertaining to the repression of inflammatory response and the promotion of NO synthesis, were investigated. With the disruption of MAMs under hypoxia, inflammatory molecule expression was repressed, and the eNOS-NO pathway was enhanced. This study demonstrates that the disruption of MAMs might be of therapeutic value for treating endothelial injury under hypoxia, suggesting a novel strategy for preventing hypoxic pulmonary hypertension and ischemic injuries.
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Affiliation(s)
- Yi-Dong Yang
- Institute of Medicine and Hygienic Equipment for High Altitude Region, College of High Altitude Military Medicine, Army Medical University (Third Military Medical University), Chongqing, China.,Key Laboratory of Extreme Environmental Medicine, Ministry of Education of China, Chongqing, China.,Key Laboratory of High Altitude Medicine, PLA, Chongqing, China
| | - Man-Man Li
- Genetics Laboratory, Hubei Maternal and Child Health Hospital, Wuhan, China
| | - Gang Xu
- Institute of Medicine and Hygienic Equipment for High Altitude Region, College of High Altitude Military Medicine, Army Medical University (Third Military Medical University), Chongqing, China.,Key Laboratory of Extreme Environmental Medicine, Ministry of Education of China, Chongqing, China.,Key Laboratory of High Altitude Medicine, PLA, Chongqing, China
| | - Er-Long Zhang
- Institute of Medicine and Hygienic Equipment for High Altitude Region, College of High Altitude Military Medicine, Army Medical University (Third Military Medical University), Chongqing, China.,Key Laboratory of Extreme Environmental Medicine, Ministry of Education of China, Chongqing, China.,Key Laboratory of High Altitude Medicine, PLA, Chongqing, China
| | - Jian Chen
- Institute of Medicine and Hygienic Equipment for High Altitude Region, College of High Altitude Military Medicine, Army Medical University (Third Military Medical University), Chongqing, China.,Key Laboratory of Extreme Environmental Medicine, Ministry of Education of China, Chongqing, China.,Key Laboratory of High Altitude Medicine, PLA, Chongqing, China
| | - Binda Sun
- Institute of Medicine and Hygienic Equipment for High Altitude Region, College of High Altitude Military Medicine, Army Medical University (Third Military Medical University), Chongqing, China.,Key Laboratory of Extreme Environmental Medicine, Ministry of Education of China, Chongqing, China.,Key Laboratory of High Altitude Medicine, PLA, Chongqing, China
| | - De-Wei Chen
- Key Laboratory of Extreme Environmental Medicine, Ministry of Education of China, Chongqing, China.,Key Laboratory of High Altitude Medicine, PLA, Chongqing, China.,Department of Pathophysiology, College of High Altitude Military Medicine, Army Medical University (Third Military Medical University), Chongqing, China
| | - Yu-Qi Gao
- Institute of Medicine and Hygienic Equipment for High Altitude Region, College of High Altitude Military Medicine, Army Medical University (Third Military Medical University), Chongqing, China.,Key Laboratory of Extreme Environmental Medicine, Ministry of Education of China, Chongqing, China.,Key Laboratory of High Altitude Medicine, PLA, Chongqing, China
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Bartoszewski R, Moszyńska A, Serocki M, Cabaj A, Polten A, Ochocka R, Dell'Italia L, Bartoszewska S, Króliczewski J, Dąbrowski M, Collawn JF. Primary endothelial cell-specific regulation of hypoxia-inducible factor (HIF)-1 and HIF-2 and their target gene expression profiles during hypoxia. FASEB J 2019; 33:7929-7941. [PMID: 30917010 DOI: 10.1096/fj.201802650rr] [Citation(s) in RCA: 107] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
During hypoxia, a cellular adaptive response activates hypoxia-inducible factors (HIFs; HIF-1 and HIF-2) that respond to low tissue-oxygen levels and induce the expression of a number of genes that promote angiogenesis, energy metabolism, and cell survival. HIF-1 and HIF-2 regulate endothelial cell (EC) adaptation by activating gene-signaling cascades that promote endothelial migration, growth, and differentiation. An HIF-1 to HIF-2 transition or switch governs this process from acute to prolonged hypoxia. In the present study, we evaluated the mechanisms governing the HIF switch in 10 different primary human ECs from different vascular beds during the early stages of hypoxia. The studies demonstrate that the switch from HIF-1 to HIF-2 constitutes a universal mechanism of cellular adaptation to hypoxic stress and that HIF1A and HIF2A mRNA stability differences contribute to HIF switch. Furthermore, using 4 genome-wide mRNA expression arrays of HUVECs during normoxia and after 2, 8, and 16 h of hypoxia, we show using bioinformatics analyses that, although a number of genes appeared to be regulated exclusively by HIF-1 or HIF-2, the largest number of genes appeared to be regulated by both.-Bartoszewski, R., Moszyńska, A., Serocki, M., Cabaj, A., Polten, A., Ochocka, R., Dell'Italia, L., Bartoszewska, S., Króliczewski, J., Dąbrowski, M., Collawn, J. F. Primary endothelial cell-specific regulation of hypoxia-inducible factor (HIF)-1 and HIF-2 and their target gene expression profiles during hypoxia.
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Affiliation(s)
- Rafal Bartoszewski
- Department of Biology and Pharmaceutical Botany, Medical University of Gdansk, Gdansk, Poland
| | - Adrianna Moszyńska
- Department of Biology and Pharmaceutical Botany, Medical University of Gdansk, Gdansk, Poland
| | - Marcin Serocki
- Department of Biology and Pharmaceutical Botany, Medical University of Gdansk, Gdansk, Poland
| | - Aleksandra Cabaj
- Laboratory of Bioinformatics, Nencki Institute of Experimental Biology of the Polish Academy of Sciences, Warsaw, Poland
| | - Andreas Polten
- Agilent Technologies Sales and Services, Waldbronn, Germany
| | - Renata Ochocka
- Department of Biology and Pharmaceutical Botany, Medical University of Gdansk, Gdansk, Poland
| | - Louis Dell'Italia
- Department of Medicine, Birmingham Veterans Affairs (VA) Medical Center, Birmingham, Alabama, USA
| | - Sylwia Bartoszewska
- Department of Inorganic Chemistry, Medical University of Gdansk, Gdansk, Poland
| | - Jarosław Króliczewski
- Department of Biology and Pharmaceutical Botany, Medical University of Gdansk, Gdansk, Poland
| | - Michał Dąbrowski
- Laboratory of Bioinformatics, Nencki Institute of Experimental Biology of the Polish Academy of Sciences, Warsaw, Poland
| | - James F Collawn
- Department of Cell, Developmental, and Integrative Biology, University of Alabama at Birmingham, Birmingham, Alabama, USA
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Zhang C, Zhang C, Wang H, Qi Y, Kan Y, Ge Z. Effects of miR‑103a‑3p on the autophagy and apoptosis of cardiomyocytes by regulating Atg5. Int J Mol Med 2019; 43:1951-1960. [PMID: 30864677 PMCID: PMC6443343 DOI: 10.3892/ijmm.2019.4128] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Accepted: 02/11/2019] [Indexed: 12/26/2022] Open
Abstract
Autophagy and apoptosis are associated with cardiovascular diseases. Emerging evidence shows that microRNAs (miRs) are critical in the development of pathological processes underlying cardiovascular diseases by regulating the induction of apoptosis and autophagy. The present study aimed to investigate the role of miR-103a-3p in cardiomyocyte injury through autophagy and apoptosis. H9c2 cells were cultured under hypoxia and reoxygenation (H/R) conditions and were used to mimic cells under ischemia. The transfection of cells with miR-103a-3p (mimics and inhibitors) was performed to examine its function in cardiomyocytes. The expression levels of miR-103a-3p were evaluated by reverse transcription-quantitative polymerase chain reaction analysis. Cell viability was determined using an MTT assay, and the lactate dehydrogenase assay (LDH) was used to investigate cell injury. The expression levels of B-cell lymphoma 2 (Bcl-2), Bcl-2-associated X protein, Beclin-1, autophagy-related 5 (Atg5), cleaved caspase-3 and cleaved caspase-9 were detected using western blotting. Immunofluorescence assays were performed to detect the expression of LC3 as a marker of autophagy. The target gene of miR-103a-3p was identified using dual-luciferase reporter assays. The results revealed that the expression levels of miR-103a-3p were significantly downregulated in cardiomyocytes under H/R conditions. Injury of the cardiomyocytes was evaluated under H/R conditions. Following transfection of the cells with miR-103a-3p inhibitors, cell injury was increased, as determined by LDH and MTT assays. The expression levels of apoptotic proteins were consistent with the results obtained in the LDH and cell viability assays. The induction of autophagy was increased in cells under H/R conditions and cells with miR-103a-3p inhibitor transfection, whereas the induction of autophagy was decreased in cells transfected with miR-103a-3p mimics. In addition, the data indicated that miR-103a-3p directly targeted Atg5, which regulated the induction of autophagy and apoptosis. Taken together, these findings indicate that, following the inhibition of miR-103a-3p, Atg5 promotes autophagy and apoptosis in cardiomyocytes by directly targeting Atg5. Therefore, miR-103a-3p can be considered a potential therapeutic target for myocardial ischemia.
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Affiliation(s)
- Chenjun Zhang
- Department of Cardiology, Shanghai Pudong New Area Gongli Hospital, Shanghai 200135, P.R. China
| | - Chenjun Zhang
- Department of Cardiology, Shanghai Pudong New Area Gongli Hospital, Shanghai 200135, P.R. China
| | - Hairong Wang
- Department of Cardiology, Shanghai Pudong New Area Gongli Hospital, Shanghai 200135, P.R. China
| | - Yuan Qi
- Department of Cardiology, Shanghai Pudong New Area Gongli Hospital, Shanghai 200135, P.R. China
| | - Ying Kan
- Department of Cardiology, Shanghai Pudong New Area Gongli Hospital, Shanghai 200135, P.R. China
| | - Zhiru Ge
- Department of Cardiology, Shanghai Pudong New Area Gongli Hospital, Shanghai 200135, P.R. China
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43
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miRNA networks modulate human endothelial cell adaptation to cyclic hypoxia. Cell Signal 2019; 54:150-160. [DOI: 10.1016/j.cellsig.2018.11.020] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 11/24/2018] [Accepted: 11/26/2018] [Indexed: 02/07/2023]
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44
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Zhang HN, Xu QQ, Thakur A, Alfred MO, Chakraborty M, Ghosh A, Yu XB. Endothelial dysfunction in diabetes and hypertension: Role of microRNAs and long non-coding RNAs. Life Sci 2018; 213:258-268. [PMID: 30342074 DOI: 10.1016/j.lfs.2018.10.028] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2018] [Revised: 10/13/2018] [Accepted: 10/15/2018] [Indexed: 12/11/2022]
Abstract
The vascular endothelium acts as a barrier between the blood flow and the inner lining of the vessel wall, and it functions as a filtering machinery to filter out any unwanted transfer of materials from both sides (i.e. the blood and the surrounding tissues). It is evident that diseases such as diabetes, obesity, and hypertension disturb the normal endothelial functions in humans and lead to endothelial dysfunction, which may further precede to the development of atherosclerosis. Long non-coding RNAs and micro RNAs both are types of non-coding RNAs which, in the recent years, have increasingly been studied in the pathophysiology of many diseases including diabetes, obesity, cardiovascular diseases, neurological diseases, and others. Recent findings have pointed out important aspects on their relevance to endothelial function as well as dysfunction of the system which may arise from presence of diseases such as diabetes and hypertension. Diabetes or hypertension-mediated endothelial dysfunction show characteristics such as reduced nitric oxide synthesis through suppression of endothelial nitric oxide synthase activity in endothelial cells, reduced sensitivity of nitric oxide in smooth muscle cells, and inflammation - all of which have been either shown to be directly caused by gene regulatory mechanisms of non-coding RNAs or shown to be having a correlation with them. In this review, we aim to discuss such findings on the role of these non-coding RNAs in diabetes or hypertension-associated endothelial dysfunction and the related mechanisms that may pave the way for alleviating endothelial dysfunction and its related complications such as atherosclerosis.
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Affiliation(s)
- Hai-Na Zhang
- Department of Pharmacy, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Qiao-Qiao Xu
- Department of Pharmacy, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Abhimanyu Thakur
- Department of Pharmaceutical Sciences and Technology, Birla Institute of Technology Mesra, Ranchi, India
| | - Martin Omondi Alfred
- Institute of Primate Research, Nairobi, Kenya; School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Manas Chakraborty
- Department of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan, ROC
| | - Arunima Ghosh
- Department of Medical Coding Analysis - Emblem Health, Cognizant Technology Solutions India Pvt Ltd., Bangalore, India
| | - Xu-Ben Yu
- Department of Pharmacy, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China.
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Bartoszewski R, Sikorski AF. Editorial focus: entering into the non-coding RNA era. Cell Mol Biol Lett 2018; 23:45. [PMID: 30250489 PMCID: PMC6145373 DOI: 10.1186/s11658-018-0111-3] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Accepted: 09/12/2018] [Indexed: 12/11/2022] Open
Abstract
Recent developments in high-throughput genotyping technologies have revealed the existence of several new classes of RNA that do not encode proteins but serve other cellular roles. To date, these non-coding RNAs (ncRNAs) have been shown to modulate both gene expression and genome remodeling, thus contributing to the control of both normal and disease-related cellular processes. The attraction of this research topic can be seen in the increasing number of submissions on ncRNAs to molecular biology journals, including Cellular Molecular Biology Letters (CMBL). As researchers attempt to deepen the understanding of the role of ncRNAs in cell biology, it is worth discussing the broader importance of this research.
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Affiliation(s)
- Rafal Bartoszewski
- 1Department of Biology and Pharmaceutical Botany, Medical University of Gdansk, Gdansk, Poland
| | - Aleksander F Sikorski
- 2Department of Cytobiochemistry, Faculty of Biotechnology, University of Wroclaw, Wroclaw, Poland
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