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Rudnitsky E, Braiman A, Wolfson M, Muradian KK, Gorbunova V, Turgeman G, Fraifeld VE. Stem cell-derived extracellular vesicles as senotherapeutics. Ageing Res Rev 2024; 99:102391. [PMID: 38914266 DOI: 10.1016/j.arr.2024.102391] [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: 05/19/2024] [Revised: 06/13/2024] [Accepted: 06/19/2024] [Indexed: 06/26/2024]
Abstract
Cellular senescence (CS) is recognized as one of the hallmarks of aging, and an important player in a variety of age-related pathologies. Accumulation of senescent cells can promote a pro-inflammatory and pro-cancerogenic microenvironment. Among potential senotherapeutics are extracellular vesicles (EVs) (40-1000 nm), including exosomes (40-150 nm), that play an important role in cell-cell communications. Here, we review the most recent studies on the impact of EVs derived from stem cells (MSCs, ESCs, iPSCs) as well as non-stem cells of various types on CS and discuss potential mechanisms responsible for the senotherapeutic effects of EVs. The analysis revealed that (i) EVs derived from stem cells, pluripotent (ESCs, iPSCs) or multipotent (MSCs of various origin), can mitigate the cellular senescence phenotype both in vitro and in vivo; (ii) this effect is presumably senomorphic; (iii) EVs display cross-species activity, without apparent immunogenic responses. In summary, stem cell-derived EVs appear to be promising senotherapeutics, with a feasible application in humans.
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Affiliation(s)
- Ekaterina Rudnitsky
- The Shraga Segal Department of Microbiology, Immunology and Genetics, Faculty of Health Sciences, Center for Multidisciplinary Research on Aging, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Alex Braiman
- The Shraga Segal Department of Microbiology, Immunology and Genetics, Faculty of Health Sciences, Center for Multidisciplinary Research on Aging, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Marina Wolfson
- The Shraga Segal Department of Microbiology, Immunology and Genetics, Faculty of Health Sciences, Center for Multidisciplinary Research on Aging, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Khachik K Muradian
- Department of Biology of Aging and Experimental Life Span Extension, State Institute of Gerontology of National Academy of Medical Sciences of Ukraine, Kiev 4114, Ukraine
| | - Vera Gorbunova
- Department of Biology, Rochester Aging Research Center, University of Rochester, Rochester, NY 14627, USA
| | - Gadi Turgeman
- Department of Molecular Biology, Faculty of Natural Sciences and Medical School, Ariel University, Ariel 40700, Israel.
| | - Vadim E Fraifeld
- The Shraga Segal Department of Microbiology, Immunology and Genetics, Faculty of Health Sciences, Center for Multidisciplinary Research on Aging, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel.
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Chen Z, Shang Y, Ou Y, Shen C, Cao Y, Hu H, Yang R, Liu T, Liu Q, Song M, Zong D, Xiang X, Peng Y, Ouyang R. Obstructive Sleep Apnea Plasma-Derived Exosomes Mediate Cognitive Impairment Through Hippocampal Neuronal Cell Pyroptosis. Am J Geriatr Psychiatry 2024; 32:922-939. [PMID: 38290937 DOI: 10.1016/j.jagp.2024.01.017] [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: 07/21/2023] [Revised: 12/25/2023] [Accepted: 01/11/2024] [Indexed: 02/01/2024]
Abstract
OBJECTIVE Obstructive sleep apnea (OSA) is associated with impaired cognitive function. Exosomes are secreted by most cells and play a role in OSA-associated cognitive impairment (CI). The aim of this study was to investigate whether OSA plasma-derived exosomes cause CI through hippocampal neuronal cell pyroptosis, and to identify exosomal miRNAs in OSA plasma-derived. MATERIALS AND METHODS Plasma-derived exosomes were isolated from patients with severe OSA and healthy comparisons. Daytime sleepiness and cognitive function were assessed using the Epworth Sleepiness Scale (ESS) and the Beijing version of the Montreal Cognitive Assessment Scale (MoCA). Exosomes were coincubated with mouse hippocampal neurons (HT22) cells to evaluate the effect of exosomes on pyroptosis and inflammation of HT22 cells. Meanwhile, exosomes were injected into C57BL/6 male mice via caudal vein, and then morris water maze was used to evaluate the spatial learning and memory ability of the mice, so as to observe the effects of exosomes on the cognitive function of the mice. Western blot and qRT-PCR were used to detect the expressions of Gasdermin D (GSDMD) and Caspase-1 to evaluate the pyroptosis level. The expression of IL-1β, IL-6, IL-18 and TNF-α was detected by qRT-PCR to assess the level of inflammation. Correlations of GSDMD and Caspase-1 expression with clinical parameters were evaluated using Spearman's rank correlation analysis. In addition, plasma exosome miRNAs profile was identified, followed by Gene Ontology (GO) term and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways. RESULTS Compared to healthy comparisons, body mass index (BMI), apnea-hypopnea index (AHI), oxygen desaturation index (ODI), and ESS scores were increased in patients with severe OSA, while lowest oxygen saturation during sleep (LSaO2), mean oxygen saturation during sleep (MSaO2) and MoCA scores were decreased. Compared to the PBS group (NC) and the healthy comparison plasma-derived exosomes (NC-EXOS), the levels of GSDMD and Caspase-1 and IL-1β, IL-6, IL-18 and TNF-α were increased significantly in the severe OSA plasma-derived exosomes (OSA-EXOS) coincubated with HT22 cells. Compared to the NC and NC-EXOS groups, the learning and memory ability of mice injected with OSA-EXOS was decreased, and the expression of GSDMD and Caspase-1 in hippocampus were significantly increased, along with the levels of IL-1β, IL-6, IL-18 and TNF-α. Spearman correlation analysis found that clinical AHI in HCs and severe OSA patients was positively correlated with GSDMD and Caspase-1 in HT22 cells from NC-EXOS and OSA-EXOS groups, while negatively correlated with clinical MoCA. At the same time, clinical MoCA in HCs and severe OSA patients was negatively correlated with GSDMD and Caspase-1 in HT22 cells from NC-EXOS and OSA-EXOS groups. A unique exosomal miRNAs profile was identified in OSA-EXOS group compared to the NC-EXOS group, in which 28 miRNAs were regulated and several KEGG and GO pathways were identified. CONCLUSIONS The results of this study show a hypothesis that plasma-derived exosomes from severe OSA patients promote pyroptosis and increased expression of inflammatory factors in vivo and in vitro, and lead to impaired cognitive function in mice, suggesting that OSA-EXOS can mediate CI through pyroptosis of hippocampal neurons. In addition, exosome cargo from OSA-EXOS showed a unique miRNAs profile compared to NC-EXOS, suggesting that plasma exosome associated miRNAs may reflect the differential profile of OSA related diseases, such as CI.
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Affiliation(s)
- Zhifeng Chen
- Department of Respiratory Medicine (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), The Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Research Unit of Respiratory Disease (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Central South University, Changsha, Hunan, China; Clinical Medical Research Center for Pulmonary (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Critical Care Medicine in Hunan Province, Changsha, Hunan, China; Diagnosis and Treatment Center of Respiratory Disease (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Central South University, Changsha, Hunan, China
| | - Yulin Shang
- Ophthalmology and Otorhinolaryngology (YS), Zigui County Traditional Chinese Medicine Hospital, Zigui, China
| | - Yanru Ou
- Department of Respiratory Medicine (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), The Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Research Unit of Respiratory Disease (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Central South University, Changsha, Hunan, China; Clinical Medical Research Center for Pulmonary (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Critical Care Medicine in Hunan Province, Changsha, Hunan, China; Diagnosis and Treatment Center of Respiratory Disease (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Central South University, Changsha, Hunan, China
| | - Chong Shen
- Department of Respiratory Medicine (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), The Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Research Unit of Respiratory Disease (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Central South University, Changsha, Hunan, China; Clinical Medical Research Center for Pulmonary (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Critical Care Medicine in Hunan Province, Changsha, Hunan, China; Diagnosis and Treatment Center of Respiratory Disease (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Central South University, Changsha, Hunan, China
| | - Ying Cao
- Department of Respiratory Medicine (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), The Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Research Unit of Respiratory Disease (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Central South University, Changsha, Hunan, China; Clinical Medical Research Center for Pulmonary (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Critical Care Medicine in Hunan Province, Changsha, Hunan, China; Diagnosis and Treatment Center of Respiratory Disease (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Central South University, Changsha, Hunan, China
| | - Hui Hu
- Department of Respiratory Medicine (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), The Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Research Unit of Respiratory Disease (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Central South University, Changsha, Hunan, China; Clinical Medical Research Center for Pulmonary (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Critical Care Medicine in Hunan Province, Changsha, Hunan, China; Diagnosis and Treatment Center of Respiratory Disease (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Central South University, Changsha, Hunan, China
| | - Ruibing Yang
- Department of Respiratory Medicine (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), The Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Research Unit of Respiratory Disease (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Central South University, Changsha, Hunan, China; Clinical Medical Research Center for Pulmonary (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Critical Care Medicine in Hunan Province, Changsha, Hunan, China; Diagnosis and Treatment Center of Respiratory Disease (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Central South University, Changsha, Hunan, China
| | - Ting Liu
- Department of Respiratory Medicine (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), The Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Research Unit of Respiratory Disease (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Central South University, Changsha, Hunan, China; Clinical Medical Research Center for Pulmonary (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Critical Care Medicine in Hunan Province, Changsha, Hunan, China; Diagnosis and Treatment Center of Respiratory Disease (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Central South University, Changsha, Hunan, China
| | - Qingqing Liu
- Department of Respiratory Medicine (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), The Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Research Unit of Respiratory Disease (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Central South University, Changsha, Hunan, China; Clinical Medical Research Center for Pulmonary (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Critical Care Medicine in Hunan Province, Changsha, Hunan, China; Diagnosis and Treatment Center of Respiratory Disease (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Central South University, Changsha, Hunan, China
| | - Min Song
- Department of Respiratory Medicine (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), The Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Research Unit of Respiratory Disease (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Central South University, Changsha, Hunan, China; Clinical Medical Research Center for Pulmonary (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Critical Care Medicine in Hunan Province, Changsha, Hunan, China; Diagnosis and Treatment Center of Respiratory Disease (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Central South University, Changsha, Hunan, China
| | - Dandan Zong
- Department of Respiratory Medicine (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), The Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Research Unit of Respiratory Disease (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Central South University, Changsha, Hunan, China; Clinical Medical Research Center for Pulmonary (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Critical Care Medicine in Hunan Province, Changsha, Hunan, China; Diagnosis and Treatment Center of Respiratory Disease (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Central South University, Changsha, Hunan, China
| | - Xudong Xiang
- Department of Emergency (XX), The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yating Peng
- Department of Respiratory Medicine (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), The Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Research Unit of Respiratory Disease (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Central South University, Changsha, Hunan, China; Clinical Medical Research Center for Pulmonary (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Critical Care Medicine in Hunan Province, Changsha, Hunan, China; Diagnosis and Treatment Center of Respiratory Disease (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Central South University, Changsha, Hunan, China.
| | - Ruoyun Ouyang
- Department of Respiratory Medicine (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), The Second Xiangya Hospital, Central South University, Changsha, Hunan, China; Research Unit of Respiratory Disease (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Central South University, Changsha, Hunan, China; Clinical Medical Research Center for Pulmonary (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Critical Care Medicine in Hunan Province, Changsha, Hunan, China; Diagnosis and Treatment Center of Respiratory Disease (ZC, YO, CS, YC, HH, RY, TL, QL, MS, DZ, YP, RO), Central South University, Changsha, Hunan, China.
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Yang L, Liu S, He Y, Gan L, Ni Q, Dai A, Mu C, Liu Q, Chen H, Lu H, Sun R. Exosomes regulate SIRT3-related autophagy by delivering miR-421 to regulate macrophage polarization and participate in OSA-related NAFLD. J Transl Med 2024; 22:475. [PMID: 38764033 PMCID: PMC11103849 DOI: 10.1186/s12967-024-05283-8] [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: 12/21/2023] [Accepted: 05/08/2024] [Indexed: 05/21/2024] Open
Abstract
PURPOSE To analyze the role of and mechanism underlying obstructive sleep apnea (OSA)-derived exosomes in inducing non-alcoholic fatty liver (NAFLD). METHODS The role of OSA-derived exosomes was analyzed in inducing hepatocyte fat accumulation in mice models both in vivo and in vitro. RESULTS OSA-derived exosomes caused fat accumulation and macrophage activation in the liver tissue. These exosomes promoted fat accumulation; steatosis was more noticeable in the presence of macrophages. Macrophages could internalize OSA-derived exosomes, which promoted macrophage polarization to the M1 type. Moreover, it inhibited sirtuin-3 (SIRT3)/AMP-activated protein kinase (AMPK) and autophagy and promoted the activation of nucleotide-binding domain, leucine-rich-containing family, pyrin domain-containing-3 (NLRP3) inflammasomes. The use of 3-methyladenine (3-MA) to inhibit autophagy blocked NLRP3 inflammasome activation and inhibited the M1 polarization of macrophages. miR-421 targeting inhibited SIRT3 protein expression in the macrophages. miR-421 was significantly increased in OSA-derived exosomes. Additionally, miR-421 levels were increased in OSA + NAFLD mice- and patient-derived exosomes. In the liver tissues of OSA and OSA + NAFLD mice, miR-421 displayed similar co-localization with the macrophages. Intermittent hypoxia-induced hepatocytes deliver miR-421 to the macrophages via exosomes to inhibit SIRT3, thereby participating in macrophage M1 polarization. After OSA and NAFLD modeling in miR-421-/- mice, liver steatosis and M1 polarization were significantly reduced. Additionally, in the case of miR-421 knockout, the inhibitory effects of OSA-derived exosomes on SIRT3 and autophagy were significantly alleviated. Furthermore, their effects on liver steatosis and macrophage M1 polarization were significantly reduced. CONCLUSIONS OSA promotes the delivery of miR-421 from the hepatocytes to macrophages. Additionally, it promotes M1 polarization by regulating the SIRT3/AMPK-autophagy pathway, thereby causing NAFLD.
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Affiliation(s)
- Li Yang
- Hypertension Center, Yan 'an Hospital of Kunming Medical University, 245 Renmin East Road, Panlong District, Kunming City, 650000, Yunnan Province, China.
- Kunming Technical Diagnosis and Treatment Center for Refractory Hypertension, Kunming Medical University, 245 Renmin East Road, Panlong District, Kunming City, 650000, Yunnan Province, China.
| | - Shijie Liu
- Hypertension Center, Yan 'an Hospital of Kunming Medical University, 245 Renmin East Road, Panlong District, Kunming City, 650000, Yunnan Province, China
- Kunming Technical Diagnosis and Treatment Center for Refractory Hypertension, Kunming Medical University, 245 Renmin East Road, Panlong District, Kunming City, 650000, Yunnan Province, China
| | - Yan He
- Hypertension Center, Yan 'an Hospital of Kunming Medical University, 245 Renmin East Road, Panlong District, Kunming City, 650000, Yunnan Province, China
- Kunming Technical Diagnosis and Treatment Center for Refractory Hypertension, Kunming Medical University, 245 Renmin East Road, Panlong District, Kunming City, 650000, Yunnan Province, China
| | - Lulu Gan
- Hypertension Center, Yan 'an Hospital of Kunming Medical University, 245 Renmin East Road, Panlong District, Kunming City, 650000, Yunnan Province, China
- Kunming Technical Diagnosis and Treatment Center for Refractory Hypertension, Kunming Medical University, 245 Renmin East Road, Panlong District, Kunming City, 650000, Yunnan Province, China
| | - Qing Ni
- Hypertension Center, Yan 'an Hospital of Kunming Medical University, 245 Renmin East Road, Panlong District, Kunming City, 650000, Yunnan Province, China
- Kunming Technical Diagnosis and Treatment Center for Refractory Hypertension, Kunming Medical University, 245 Renmin East Road, Panlong District, Kunming City, 650000, Yunnan Province, China
| | - Anni Dai
- Hypertension Center, Yan 'an Hospital of Kunming Medical University, 245 Renmin East Road, Panlong District, Kunming City, 650000, Yunnan Province, China
- Kunming Technical Diagnosis and Treatment Center for Refractory Hypertension, Kunming Medical University, 245 Renmin East Road, Panlong District, Kunming City, 650000, Yunnan Province, China
| | - Changhuan Mu
- Hypertension Center, Yan 'an Hospital of Kunming Medical University, 245 Renmin East Road, Panlong District, Kunming City, 650000, Yunnan Province, China
- Kunming Technical Diagnosis and Treatment Center for Refractory Hypertension, Kunming Medical University, 245 Renmin East Road, Panlong District, Kunming City, 650000, Yunnan Province, China
| | - Qian Liu
- Hypertension Center, Yan 'an Hospital of Kunming Medical University, 245 Renmin East Road, Panlong District, Kunming City, 650000, Yunnan Province, China
- Kunming Technical Diagnosis and Treatment Center for Refractory Hypertension, Kunming Medical University, 245 Renmin East Road, Panlong District, Kunming City, 650000, Yunnan Province, China
| | - Hongyan Chen
- Hypertension Center, Yan 'an Hospital of Kunming Medical University, 245 Renmin East Road, Panlong District, Kunming City, 650000, Yunnan Province, China
- Kunming Technical Diagnosis and Treatment Center for Refractory Hypertension, Kunming Medical University, 245 Renmin East Road, Panlong District, Kunming City, 650000, Yunnan Province, China
| | - Hongying Lu
- Hypertension Center, Yan 'an Hospital of Kunming Medical University, 245 Renmin East Road, Panlong District, Kunming City, 650000, Yunnan Province, China
- Kunming Technical Diagnosis and Treatment Center for Refractory Hypertension, Kunming Medical University, 245 Renmin East Road, Panlong District, Kunming City, 650000, Yunnan Province, China
| | - Ruixue Sun
- Hypertension Center, Yan 'an Hospital of Kunming Medical University, 245 Renmin East Road, Panlong District, Kunming City, 650000, Yunnan Province, China
- Kunming Technical Diagnosis and Treatment Center for Refractory Hypertension, Kunming Medical University, 245 Renmin East Road, Panlong District, Kunming City, 650000, Yunnan Province, China
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Recoquillon S, Ali S, Justeau G, Riou J, Martinez MC, Andriantsitohaina R, Gagnadoux F, Trzepizur W. Small Extracellular Vesicles Harboring PD-L1 in Obstructive Sleep Apnea. Int J Mol Sci 2024; 25:3208. [PMID: 38542182 PMCID: PMC10970061 DOI: 10.3390/ijms25063208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 02/29/2024] [Accepted: 03/06/2024] [Indexed: 04/04/2024] Open
Abstract
Obstructive sleep apnea syndrome (OSA) has been associated with increased cancer incidence and aggressiveness. One hypothesis to support this association is the implication of immune response, particularly the programmed cell death pathway, formed by the receptor PD-1 and its ligand PD-L1. Recent studies have shown dysregulation of this pathway in severe OSA patients. It has also been shown that small extracellular vesicles (sEVs) carrying PD-L1 induce lymphocyte dysfunction. Thus, the aim of our study was to analyze the expression of PD-L1 on sEVs of OSA patients and to evaluate the role of sEVs on lymphocyte activation and cytotoxicity. Circulating sEVs were isolated from OSA patients and the control group. Lymphocytes were isolated from the control group. Circulating sEVs were characterized by western blot, nanotracking analysis, and flow cytometry and were incubated with lymphocytes. Our results show no differences in the quantity and composition of sEVs in OSA patients and no significant effects of sEVs in OSA patients on lymphocyte activation and cytotoxicity. These results suggest that OSA does not modify PD-L1 expression on sEVs, which does not contribute to dysregulation of cytotoxic lymphocytes.
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Affiliation(s)
- Sylvain Recoquillon
- SFR ICAT, Team Carme, MitoVasc Laboratory, UMR CNRS 6015 INSERM 1083, University of Angers, 49000 Angers, France; (S.R.); (F.G.)
| | - Sakina Ali
- INSERM 1063, University of Angers, 49045 Angers, France;
| | - Grégoire Justeau
- Department of Respiratory and Sleep Medicine, Angers University Hospital, 49100 Angers, France;
| | - Jérémie Riou
- Delegation for Clinical Research and Innovation, Angers University Hospital, 49100 Angers, France;
| | - M. Carmen Martinez
- PhyMedExp, Montpellier University, INSERM, CNRS, CHRU Montpellier, 34295 Montpellier, France; (M.C.M.); (R.A.)
| | - Ramaroson Andriantsitohaina
- PhyMedExp, Montpellier University, INSERM, CNRS, CHRU Montpellier, 34295 Montpellier, France; (M.C.M.); (R.A.)
| | - Frédéric Gagnadoux
- SFR ICAT, Team Carme, MitoVasc Laboratory, UMR CNRS 6015 INSERM 1083, University of Angers, 49000 Angers, France; (S.R.); (F.G.)
- Department of Respiratory and Sleep Medicine, Angers University Hospital, 49100 Angers, France;
| | - Wojciech Trzepizur
- SFR ICAT, Team Carme, MitoVasc Laboratory, UMR CNRS 6015 INSERM 1083, University of Angers, 49000 Angers, France; (S.R.); (F.G.)
- Department of Respiratory and Sleep Medicine, Angers University Hospital, 49100 Angers, France;
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Liu W, Zhu Q, Li X, Wang Y, Zhao C, Ma C. Effects of obstructive sleep apnea on myocardial injury and dysfunction: a review focused on the molecular mechanisms of intermittent hypoxia. Sleep Breath 2024; 28:41-51. [PMID: 37548920 DOI: 10.1007/s11325-023-02893-2] [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: 06/08/2023] [Accepted: 07/26/2023] [Indexed: 08/08/2023]
Abstract
Obstructive sleep apnea (OSA) is characterized by intermittent hypoxia (IH) and is strongly associated with adverse cardiovascular outcomes. Myocardial injury and dysfunction have been commonly observed in clinical practice, particularly in patients with severe OSA. However, the underlying mechanisms remain obscure. In this review, we summarized the molecular mechanisms by which IH impact on myocardial injury and dysfunction. In brief, IH-induced cardiomyocyte death proceeds through the regulation of multiple biological processes, including differentially expressed transcription factors, alternative epigenetic programs, and altered post-translational modification. Besides cell death, various cardiomyocyte injuries, such as endoplasmic reticulum stress, occurs with IH. In addition to the direct effects on cardiomyocytes, IH has been found to deteriorate myocardial blood and energy supply by affecting the microvascular structure and disrupting glucose and lipid metabolism. For better diagnosis and treatment of OSA, further studies on the molecular mechanisms of IH-induced myocardial injury and dysfunction are essential.
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Affiliation(s)
- Wen Liu
- Department of Cardiovascular Ultrasound, The First Hospital of China Medical University, No. 155 NanjingBei Street, Heping District, Shenyang, 110001, Liaoning Province, China
- Clinical Medical Research Center of Imaging in Liaoning Province, The First Hospital of China Medical University, No. 155 NanjingBei Street, Heping District, Shenyang, 110001, Liaoning Province, China
| | - Qing Zhu
- Department of Cardiovascular Ultrasound, The First Hospital of China Medical University, No. 155 NanjingBei Street, Heping District, Shenyang, 110001, Liaoning Province, China
- Clinical Medical Research Center of Imaging in Liaoning Province, The First Hospital of China Medical University, No. 155 NanjingBei Street, Heping District, Shenyang, 110001, Liaoning Province, China
| | - Xinxin Li
- Department of Cardiovascular Ultrasound, The First Hospital of China Medical University, No. 155 NanjingBei Street, Heping District, Shenyang, 110001, Liaoning Province, China
- Clinical Medical Research Center of Imaging in Liaoning Province, The First Hospital of China Medical University, No. 155 NanjingBei Street, Heping District, Shenyang, 110001, Liaoning Province, China
| | - Yonghuai Wang
- Department of Cardiovascular Ultrasound, The First Hospital of China Medical University, No. 155 NanjingBei Street, Heping District, Shenyang, 110001, Liaoning Province, China
- Clinical Medical Research Center of Imaging in Liaoning Province, The First Hospital of China Medical University, No. 155 NanjingBei Street, Heping District, Shenyang, 110001, Liaoning Province, China
| | - Cuiting Zhao
- Department of Cardiovascular Ultrasound, The First Hospital of China Medical University, No. 155 NanjingBei Street, Heping District, Shenyang, 110001, Liaoning Province, China
- Clinical Medical Research Center of Imaging in Liaoning Province, The First Hospital of China Medical University, No. 155 NanjingBei Street, Heping District, Shenyang, 110001, Liaoning Province, China
| | - Chunyan Ma
- Department of Cardiovascular Ultrasound, The First Hospital of China Medical University, No. 155 NanjingBei Street, Heping District, Shenyang, 110001, Liaoning Province, China.
- Clinical Medical Research Center of Imaging in Liaoning Province, The First Hospital of China Medical University, No. 155 NanjingBei Street, Heping District, Shenyang, 110001, Liaoning Province, China.
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6
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Khalyfa A, Marin JM, Sanz-Rubio D, Lyu Z, Joshi T, Gozal D. Multi-Omics Analysis of Circulating Exosomes in Adherent Long-Term Treated OSA Patients. Int J Mol Sci 2023; 24:16074. [PMID: 38003263 PMCID: PMC10671639 DOI: 10.3390/ijms242216074] [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: 08/22/2023] [Revised: 10/23/2023] [Accepted: 11/02/2023] [Indexed: 11/26/2023] Open
Abstract
Obstructive sleep apnea (OSA) is a highly prevalent chronic disease affecting nearly a billion people globally and increasing the risk of multi-organ morbidity and overall mortality. However, the mechanisms underlying such adverse outcomes remain incompletely delineated. Extracellular vesicles (exosomes) are secreted by most cells, are involved in both proximal and long-distance intercellular communication, and contribute toward homeostasis under physiological conditions. A multi-omics integrative assessment of plasma-derived exosomes from adult OSA patients prior to and after 1-year adherent CPAP treatment is lacking. We conducted multi-omic integrative assessments of plasma-derived exosomes from adult OSA patients prior to and following 1-year adherent CPAP treatment to identify potential specific disease candidates. Fasting morning plasma exosomes isolated from 12 adult patients with polysomnographically-diagnosed OSA were analyzed before and after 12 months of adherent CPAP therapy (mean ≥ 6 h/night) (OSAT). Exosomes were characterized by flow cytometry, transmission electron microscopy, and nanoparticle tracking analysis. Endothelial cell barrier integrity, wound healing, and tube formation were also performed. Multi-omics analysis for exosome cargos was integrated. Exosomes derived from OSAT improved endothelial permeability and dysfunction as well as significant improvement in tube formation compared with OSA. Multi-omic approaches for OSA circulating exosomes included lipidomic, proteomic, and small RNA (miRNAs) assessments. We found 30 differentially expressed proteins (DEPs), 72 lipids (DELs), and 13 miRNAs (DEMs). We found that the cholesterol metabolism (has04979) pathway is associated with lipid classes in OSA patients. Among the 12 subjects of OSA and OSAT, seven subjects had complete comprehensive exosome cargo information including lipids, proteins, and miRNAs. Multi-omic approaches identify potential signature biomarkers in plasma exosomes that are responsive to adherent OSA treatment. These differentially expressed molecules may also play a mechanistic role in OSA-induced morbidities and their reversibility. Our data suggest that a multi-omic integrative approach might be useful in understanding how exosomes function, their origin, and their potential clinical relevance, all of which merit future exploration in the context of relevant phenotypic variance. Developing an integrated molecular classification should lead to improved diagnostic classification, risk stratification, and patient management of OSA by assigning molecular disease-specific therapies.
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Affiliation(s)
- Abdelnaby Khalyfa
- Department of Child Health, Child Health Research Institute, School of Medicine, University of Missouri, Columbia, MO 65211, USA;
| | - Jose M. Marin
- Translational Research Unit, Hospital Universitario Miguel Servet & IISAragon, CIBERES, 50009 Zaragoza, Spain
| | - David Sanz-Rubio
- Translational Research Unit, Hospital Universitario Miguel Servet & IISAragon, CIBERES, 50009 Zaragoza, Spain
| | - Zhen Lyu
- Department of Electrical Engineering and Computer Science, University of Missouri, Columbia, MO 65201, USA; (Z.L.); (T.J.)
| | - Trupti Joshi
- Department of Electrical Engineering and Computer Science, University of Missouri, Columbia, MO 65201, USA; (Z.L.); (T.J.)
- Department of Health Management and Informatics, MU Institute for Data Science and Informatics and Christopher S Bond Life Science Center, University of Missouri, Columbia, MO 65211, USA
| | - David Gozal
- Department of Child Health, Child Health Research Institute, School of Medicine, University of Missouri, Columbia, MO 65211, USA;
- Joan C. Edwards School of Medicine, Marshall University, Huntington, WV 25755, USA
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7
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Wang Y, Zhang J, He Y, Pan Z, Zhang X, Liu P, Hu K. The theranostic value of acetylation gene signatures in obstructive sleep apnea derived by machine learning. Comput Biol Med 2023; 161:107058. [PMID: 37244148 DOI: 10.1016/j.compbiomed.2023.107058] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 05/09/2023] [Accepted: 05/20/2023] [Indexed: 05/29/2023]
Abstract
Epigenetic modifications are implicated in the onset and progression of obstructive sleep apnea (OSA) and its complications through their bidirectional relationship with long-term chronic intermittent hypoxia (IH). However, the exact role of epigenetic acetylation in OSA is unclear. Here we explored the relevance and impact of acetylation-related genes in OSA by identifying molecular subtypes modified by acetylation in OSA patients. Twenty-nine significantly differentially expressed acetylation-related genes were screened in a training dataset (GSE135917). Six common signature genes were identified using the lasso and support vector machine algorithms, with the powerful SHAP algorithm used to judge the importance of each identified feature. DSCC1, ACTL6A, and SHCBP1 were best calibrated and discriminated OSA patients from normal in both training and validation (GSE38792) datasets. Decision curve analysis showed that patients could benefit from a nomogram model developed using these variables. Finally, a consensus clustering approach characterized OSA patients and analyzed the immune signatures of each subgroup. OSA patients were divided into two acetylation patterns (higher acetylation scores in Group B than in Group A) that differed significantly in terms of immune microenvironment infiltration. This is the first study to reveal the expression patterns and key role played by acetylation in OSA, laying the foundation for OSA epitherapy and refined clinical decision-making.
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Affiliation(s)
- Yixuan Wang
- Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, 430060, China; Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Jingyi Zhang
- Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, 430060, China; Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Yang He
- Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, 430060, China; Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Zhou Pan
- Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, 430060, China; Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Xinyue Zhang
- Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, 430060, China; Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Peijun Liu
- Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, 430060, China; Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Ke Hu
- Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, 430060, China; Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, 430060, China.
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8
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Effect of positive pressure ventilation and bariatric surgery on extracellular vesicle microRNAs in patients with severe obesity and obstructive sleep apnea. Int J Obes (Lond) 2023; 47:24-32. [PMID: 36284205 DOI: 10.1038/s41366-022-01230-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 10/11/2022] [Accepted: 10/12/2022] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Obstructive sleep apnea (OSA) and severe obesity share a common pathophysiological phenomenon, systemic and tissue hypoxia. Hypoxaemia modifies microRNA expression, particularly, extracellular vesicles microRNAs which are involved in the progression of cardiovascular diseases, metabolic syndrome and cancer. We aim to evaluate extracellular vesicle miRNAs among patients with severe obesity with and without OSA and the effect of OSA and severe obesity treatment: continuous positive airway pressure (CPAP) and bariatric surgery. METHODS Patients were selected from the Epigenetics Modification in Morbid Obesity and Obstructive Sleep Apnea (EPIMOOSA) study (NCT03995836), a prospective observational study of patients undergoing bariatric surgery. Patients were divided into OSA (Apnea-hyponea index (AHI) > 10) and non-OSA (AHI < 10). Patients with OSA were treated with CPAP for 6 months. Then, all patients had bariatric surgery and re-evaluated 12 months later. At each visit, blood samples were obtained for biobanking. Subsequently, extracellular vesicles were extracted, and then, miRNA expression was analysed. RESULTS 15 patients with OSA and 9 without OSA completed the protocol. At baseline, patients with OSA showed higher miR16, miR126 and miR320 (p < 0.05) and lower miR223 expression (p < 0.05) than those without OSA. In patients with severe obesity and OSA, after 6 months with CPAP, we observed a significant decrease in miR21 (p < 0.01), miR126 (p < 0.001) and miR320 (p < 0.001), with no changes in any miRNA in patients without OSA. No changes were detected in any miRNA after 6 months of bariatric surgery in patients with or without OSA. CONCLUSION Co-existance of OSA and severe obesity alters the profile of extracellular vesicle miRNAs. Bariatric surgery and weight loss did not reverse this effect meanwhile the treatment with CPAP in patients with severe obesity and OSA showed a recovery outcome in those extracellular vesicle miRNAs. Those facts remark the need for OSA screening in patients with severe obesity. CLINICAL TRIAL REGISTRATION The study has also been registered at ClinicalTrials.gov identifier: NCT03995836.
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9
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Research progress on the role of exosomes in obstructive sleep apnea-hypopnea syndrome-related atherosclerosis. Sleep Med Rev 2022; 66:101696. [PMID: 36174425 DOI: 10.1016/j.smrv.2022.101696] [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: 02/13/2022] [Revised: 08/30/2022] [Accepted: 09/11/2022] [Indexed: 12/13/2022]
Abstract
Cardiovascular disease (CVD) is a leading cause of mortality worldwide. Atherosclerosis, a multifactorial disease with complicated pathogenesis, is the main cause of CVD, underlying several major adverse cardiovascular events. Obesity is the main cause of obstructive sleep apnea (OSA) and a significant risk for atherosclerosis. OSA is an independent risk factor for CVD. Recent research has focused on understanding the underlying molecular mechanisms by which OSA influences atherosclerosis pathogenesis. The role of exosomes in this process has attracted considerable attention. Exosomes are a type of extracellular vesicles (EV) that are released from many cells (both healthy and diseased) and mediate cell-to-cell communication by transporting microRNAs (miRNAs), proteins, mRNAs, DNA, or lipids to target cells, thereby modulating the functions of target cells and tissues. Intermittent hypoxia in OSA alters the exosomal carrier in circulation and promotes the permeability and dysfunction of endothelial cells, which have been associated with the pathogenesis of atherosclerosis. This review discusses the potential roles of exosomes and exosome-derived molecules in the development and progression of OSA-related atherosclerosis. Additionally, we explore the possible mechanisms underlying OSA-related atherosclerosis and provide new insights for the development of novel exosome-based therapeutics for OSA-related atherosclerosis and CVD.
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10
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Chen X, Liu H, Huang R, Wei R, Zhao Y, Li T. Screening of plasma exosomal lncRNAs to identify potential biomarkers for obstructive sleep apnea. ANNALS OF TRANSLATIONAL MEDICINE 2022; 10:936. [PMID: 36172105 PMCID: PMC9511177 DOI: 10.21037/atm-22-3818] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 08/17/2022] [Indexed: 12/02/2022]
Abstract
Background Obstructive sleep apnea (OSA) is highly prevalent, but frequently undiagnosed. The existing biomarkers of OSA are relatively insensitive and inaccurate. Long non-coding RNAs (lncRNAs) have no protein-coding ability but have a role in regulating gene expression. They are stably expressed in exosomes, easily and rapidly measurable. Changes in expression of exosomal lncRNAs can be useful for disease diagnoses. However, there are few reports on the association of exosomal lncRNAs with OSA. We aimed to investigate the exosomal lncRNA profiles to establish the differences between non-OSA, OSA with or without hypertension (HTN) and serve as a potential diagnostic biomarker. Methods This diagnostic test included 63 participants: [normal control (NC) =25], (OSA =23), and (HTN-OSA =15). Expression profiling of lncRNAs in isolated exosomes was performed through high-throughput sequencing in 9 participants. Subsequently, OSA/HTN-OSA related lncRNAs were selected for validation by droplet digital polymerase chain reaction (ddPCR), receiver operating characteristic (ROC) curves were used to determine the diagnostic value. The reliabilities of the screened gene were further validated in another independent cohort: (NC =10), (OSA mild =10), (OSA moderate =11), and (OSA severe =10), the correlation between clinical features and its expression was analyzed. The MiRanda software was used to predict the binding sites of interaction between microRNA (miRNA) and target genes regulated by screened lncRNA. Results We identified the differentially expressed lncRNAs and mRNAs in plasma exosomes of the NC, OSA, HTN-OSA groups. Most pathways enriched in differentially expressed lncRNAs and mRNAs had previously been linked to OSA. Among them, ENST00000592016 enables discrimination between NC and OSA individuals [area under curve (AUC) =0.846, 95% confidence interval (CI): 0.72–0.97]. The severity of OSA was associated with changes in the ENST00000592016 expression. Furthermore, ENST00000592016 affected the PI3K-Akt, MAPK, and TNF pathways by regulating miRNA expressions. Conclusions This is the first report about differential expression of lncRNA in OSA and HTN-OSA exosomes. ENST00000592016 enables discrimination between NC and OSA individuals. This work enabled characterization of OSA and provided the preliminary work for the study of biomarker of OSA.
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Affiliation(s)
- Xunxun Chen
- Department of Sleep Medicine Center, Nanfang Hospital, Southern Medical University, Guangzhou, China.,Center for Tuberculosis Control of Guangdong Province, Guangzhou, China
| | - Hongbing Liu
- Department of Sleep Medicine Center, Affiliated Yunfu Hospital, Southern Medical University, Yunfu, China
| | - Rong Huang
- Department of Sleep Medicine Center, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Ran Wei
- Center for Tuberculosis Control of Guangdong Province, Guangzhou, China
| | - Yuchuan Zhao
- Center for Tuberculosis Control of Guangdong Province, Guangzhou, China
| | - Taoping Li
- Department of Sleep Medicine Center, Nanfang Hospital, Southern Medical University, Guangzhou, China
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11
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Wang C, Li L, Yang C, Zhang Z, Li X, Wang Y, Lv X, Qi X, Song G. One night of sleep deprivation induces release of small extracellular vesicles into circulation and promotes platelet activation by small EVs. J Cell Mol Med 2022; 26:5033-5043. [PMID: 36043452 PMCID: PMC9549501 DOI: 10.1111/jcmm.17528] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 08/01/2022] [Accepted: 08/08/2022] [Indexed: 11/30/2022] Open
Abstract
Extracellular vesicles (EVs) are emerging as key players in intercellular communication. Few studies have focused on EV levels in subjects with sleep disorders. Here, we aimed to explore the role of acute sleep deprivation on the quantity and functionality of circulating EVs, and their tissue distribution. EVs were isolated by ultracentrifugation from the plasma of volunteers and animals undergoing one night of sleep deprivation. Arterio-venous shunt, FeCl3 thrombus test and thrombin-induced platelet aggregation assay were conducted to evaluate the in vivo and in vitro bioactivity of small EVs. Western blotting was performed to measure the expression of EV proteins. The fate and distribution of circulating small EVs were determined by intravital imaging. We found that one night of sleep deprivation triggers release of small EVs into the circulation in both healthy individuals and animals. Injection of sleep deprivation-liberated small EVs into animals increased thrombus formation and weight in thrombosis models. Also, sleep deprivation-liberated small EVs promoted platelet aggregation induced by thrombin. Mechanistically, sleep deprivation increased the levels of HMGB1 protein in small EVs, which play important roles in platelet activation. Furthermore, we found sleep deprivation-liberated small EVs are more readily localize in the liver. These data suggested that one night of sleep deprivation is a stress for small EV release, and small EVs released here may increase the risk of thrombosis. Further, small EVs may be implicated in long distance signalling during sleep deprivation-mediated adaptation processes.
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Affiliation(s)
- Chongyue Wang
- School of Basic Medical Sciences, The Second Affiliated Hospital of Shandong First Medical University & Shandong Academy of Medical Science, Taian, China.,Taishan Vocational College of Nursing, Taian, China
| | - Lulu Li
- School of Basic Medical Sciences, The Second Affiliated Hospital of Shandong First Medical University & Shandong Academy of Medical Science, Taian, China
| | - Chao Yang
- School of Basic Medical Sciences, The Second Affiliated Hospital of Shandong First Medical University & Shandong Academy of Medical Science, Taian, China
| | - Zhaoqiang Zhang
- School of Basic Medical Sciences, The Second Affiliated Hospital of Shandong First Medical University & Shandong Academy of Medical Science, Taian, China
| | - Xiao Li
- School of Basic Medical Sciences, The Second Affiliated Hospital of Shandong First Medical University & Shandong Academy of Medical Science, Taian, China
| | - Yun Wang
- School of Basic Medical Sciences, The Second Affiliated Hospital of Shandong First Medical University & Shandong Academy of Medical Science, Taian, China
| | - Xiang Lv
- School of Basic Medical Sciences, The Second Affiliated Hospital of Shandong First Medical University & Shandong Academy of Medical Science, Taian, China
| | - Xufeng Qi
- Key Laboratory of Regenerative Medicine of Ministry of Education, Department of Developmental & Regenerative Biology, Jinan University, Guangzhou, China
| | - Guohua Song
- School of Basic Medical Sciences, The Second Affiliated Hospital of Shandong First Medical University & Shandong Academy of Medical Science, Taian, China
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12
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Marin-Oto M, Sanz-Rubio D, Santamaría-Martos F, Benitez I, Simon AL, Forner M, Cubero P, Gil A, Sanchez-de-laTorre M, Barbe F, Marin JM. Soluble RAGE in COPD, with or without coexisting obstructive sleep apnoea. Respir Res 2022; 23:163. [PMID: 35729539 PMCID: PMC9210762 DOI: 10.1186/s12931-022-02092-9] [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: 04/07/2022] [Accepted: 06/09/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Hypoxia can reduce the levels of soluble receptor for advanced glycation end-products (sRAGE), a new anti-inflammatory biomarker of COPD. We assessed sRAGE in patients with hypoxia-related diseases such as COPD, OSA and OSA-COPD overlap. METHODS Plasma levels of sRAGE were measured in 317 subjects at baseline (57 heathy nonsmokers [HNS], 84 healthy smokers [HS], 79 OSA, 62 COPD and 35 OSA-COPD overlap patients) and in 294 subjects after one year of follow-up (50 HNS, 74 HS, 77 OSA, 60 COPD and 33 overlap). RESULTS After adjusting for age, sex, smoking status and body mass index, sRAGE levels showed a reduction in OSA (- 12.5%, p = 0.005), COPD (- 14.8%, p < 0.001) and OSA-COPD overlap (- 12.3%, p = 0.02) compared with HNS. There were no differences when comparing sRAGE plasma levels between overlap patients and those with OSA or COPD alone. At follow-up, sRAGE levels did not change significantly in healthy subjects, COPD and OSA or OSA-COPD overlap nontreated with continuous positive airway pressure (CPAP). Moreover, in patients with OSA and OSA-COPD overlap who were treated with CPAP, sRAGE increased significantly. CONCLUSIONS The levels of sRAGE are reduced in COPD and OSA. Treatment with CPAP appears to improve sRAGE levels in patients with OSA who also had COPD.
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Affiliation(s)
- Marta Marin-Oto
- Translational Research Unit, Aragón Health Research Institute, Zaragoza, Spain
| | - David Sanz-Rubio
- Translational Research Unit, Aragón Health Research Institute, Zaragoza, Spain
| | | | - Ivan Benitez
- Respiratory Department, Hospital Arnau de Vilanova, IRB-Lleida, Lleida, Spain
| | - Ana L Simon
- Translational Research Unit, Aragón Health Research Institute, Zaragoza, Spain
| | - Marta Forner
- Translational Research Unit, Aragón Health Research Institute, Zaragoza, Spain
| | - Pablo Cubero
- Translational Research Unit, Aragón Health Research Institute, Zaragoza, Spain
| | - Ana Gil
- Translational Research Unit, Aragón Health Research Institute, Zaragoza, Spain
| | - Manuel Sanchez-de-laTorre
- Respiratory Department, Hospital Arnau de Vilanova, IRB-Lleida, Lleida, Spain.,CIBER Enfermedades Respiratorias, Instituto Salud Carlos III, Madrid, Spain
| | - Ferran Barbe
- Respiratory Department, Hospital Arnau de Vilanova, IRB-Lleida, Lleida, Spain.,CIBER Enfermedades Respiratorias, Instituto Salud Carlos III, Madrid, Spain
| | - José M Marin
- Translational Research Unit, Aragón Health Research Institute, Zaragoza, Spain. .,CIBER Enfermedades Respiratorias, Instituto Salud Carlos III, Madrid, Spain. .,Respiratory Service, Hospital Universitario Miguel Servet and Department of Medicine, University of Zaragoza, Zaragoza, Spain.
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13
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Badran M, Gozal D. PAI-1: A Major Player in the Vascular Dysfunction in Obstructive Sleep Apnea? Int J Mol Sci 2022; 23:5516. [PMID: 35628326 PMCID: PMC9141273 DOI: 10.3390/ijms23105516] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 05/05/2022] [Accepted: 05/12/2022] [Indexed: 02/04/2023] Open
Abstract
Obstructive sleep apnea is a chronic and prevalent condition that is associated with endothelial dysfunction, atherosclerosis, and imposes excess overall cardiovascular risk and mortality. Despite its high prevalence and the susceptibility of CVD patients to OSA-mediated stressors, OSA is still under-recognized and untreated in cardiovascular practice. Moreover, conventional OSA treatments have yielded either controversial or disappointing results in terms of protection against CVD, prompting the need for the identification of additional mechanisms and associated adjuvant therapies. Plasminogen activator inhibitor-1 (PAI-1), the primary inhibitor of tissue-type plasminogen activator (tPA) and urinary-type plasminogen activator (uPA), is a key regulator of fibrinolysis and cell migration. Indeed, elevated PAI-1 expression is associated with major cardiovascular adverse events that have been attributed to its antifibrinolytic activity. However, extensive evidence indicates that PAI-1 can induce endothelial dysfunction and atherosclerosis through complex interactions within the vasculature in an antifibrinolytic-independent matter. Elevated PAI-1 levels have been reported in OSA patients. However, the impact of PAI-1 on OSA-induced CVD has not been addressed to date. Here, we provide a comprehensive review on the mechanisms by which OSA and its most detrimental perturbation, intermittent hypoxia (IH), can enhance the transcription of PAI-1. We also propose causal pathways by which PAI-1 can promote atherosclerosis in OSA, thereby identifying PAI-1 as a potential therapeutic target in OSA-induced CVD.
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Affiliation(s)
- Mohammad Badran
- Department of Child Health and Child Health Research Institute, School of Medicine, University of Missouri, 400 N Keene St, Suite 010, Columbia, MO 65201, USA;
| | - David Gozal
- Department of Child Health and Child Health Research Institute, School of Medicine, University of Missouri, 400 N Keene St, Suite 010, Columbia, MO 65201, USA;
- Department of Medical Pharmacology and Physiology, School of Medicine, University of Missouri, Columbia, MO 65201, USA
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14
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Gong H, Lyu X, Dong L, Tan S, Li S, Peng J, Liu Y, Zhang X. Obstructive Sleep Apnea Impacts Cardiac Function in Dilated Cardiomyopathy Patients Through Circulating Exosomes. Front Cardiovasc Med 2022; 9:699764. [PMID: 35321104 PMCID: PMC8936144 DOI: 10.3389/fcvm.2022.699764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Accepted: 02/03/2022] [Indexed: 11/13/2022] Open
Abstract
Background Obstructive sleep apnea (OSA) is common and independently associated with heart failure. This study aimed to investigate the impact of OSA on heart function in patients with dilated cardiomyopathy (DCM) as well as the possible mechanism related to exosomes regulated autophagy. Methods and Results A total of 126 patients with DCM who underwent sleep evaluations were analyzed retrospectively. Cardiomyocytes were treated with exosomes isolated from untreated OSA patients and healthy controls. Fibrotic and hypertrophic markers were evaluated, and Akt/mTOR pathway-mediated autophagy was investigated. DCM patients with severe OSA had larger right ventricular end-diastolic diameter (RVEDd) and right atrial diameter (RAD) and increased N-terminal pro-B-type natriuretic peptide (NT-proBNP) levels than DCM patients without OSA. Moreover, NT-proBNP and diabetes mellitus were independently correlated with the apnea-hypopnea index in multiple linear regression analysis. Treatment with OSA-derived exosomes significantly increased Col1A1, ANP, and BNP protein expression and decreased the expression of the autophagy markers LC3B II/I and beclin1. Rapamycin treatment significantly increased the decreased autophagy markers and attenuated the increased expression of Col1A1, ANP and BNP induced by OSA-derived exosomes. Conclusion The severity of OSA is significantly associated with cardiac injury and remodeling. The underlying mechanism may be related to changed autophagy levels, which are regulated by circulating exosomes via the Akt/mTOR signaling pathway. This study may provide a new clue for the treatment of heart failure with OSA.
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Affiliation(s)
- Hui Gong
- Department of Geriatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Xing Lyu
- Laboratory of Clinical Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Lini Dong
- Department of Geriatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Shengyu Tan
- Department of Geriatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Shizhen Li
- Department of Geriatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Jieting Peng
- Department of Geriatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Yang Liu
- Department of Geriatrics, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Xiangyu Zhang
- Department of Geriatrics, The Second Xiangya Hospital, Central South University, Changsha, China
- *Correspondence: Xiangyu Zhang
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15
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Cortese R, Sanz-Rubio D, Kheirandish-Gozal L, Marin JM, Gozal D. Epigenetic age acceleration in obstructive sleep apnea is reversible with adherent treatment. Eur Respir J 2022; 59:13993003.03042-2021. [PMID: 35086837 DOI: 10.1183/13993003.03042-2021] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Accepted: 01/05/2022] [Indexed: 11/05/2022]
Affiliation(s)
- Rene Cortese
- Department of Child Health - Child Health Research Institute, School of Medicine, University of Missouri, Columbia, MO, United States
| | - David Sanz-Rubio
- Translational Research Unit, Instituto de Investigación Sanitaria de Aragón (IISAragón), Hospital Universitario Miguel Servet, Zaragoza, Spain
| | - Leila Kheirandish-Gozal
- Department of Child Health - Child Health Research Institute, School of Medicine, University of Missouri, Columbia, MO, United States
| | - José Maria Marin
- Hospital Universitario Miguel Servet, IISAragón, University of Zaragoza, Zaragoza, Spain.,CIBER Enfermedades Respiratorias, Madrid, Spain
| | - David Gozal
- Department of Child Health - Child Health Research Institute, School of Medicine, University of Missouri, Columbia, MO, United States
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16
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Liu L, Su X, Zhao L, Li J, Xu W, Yang L, Yang Y, Gao Y, Chen K, Gao Y, Guo JJ, Wang H, Lin J, Han J, Fan L, Fang X. Association of Homocysteine and Risks of Long-Term Cardiovascular Events and All-Cause Death among Older Patients with Obstructive Sleep Apnea: A Prospective Study. J Nutr Health Aging 2022; 26:879-888. [PMID: 36156680 DOI: 10.1007/s12603-022-1840-6] [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] [Indexed: 11/24/2022]
Abstract
OBJECTIVES This study aimed to assess whether raised baseline plasma tHcy concentrations increased the risks of major adverse cardiovascular events (MACE) and all-cause death outcomes in older patients with obstructive sleep apnea (OSA). DESIGN A multicenter, prospective, observational study. SETTING Beijing, Shandong Province, Gansu Province of China. PARTICIPANTS A total of 1, 290 OSA patients aged 60 to 96 years from sleep centers of six hospitals in China consecutively recruited between January 2015 and October 2017. MEASUREMENTS Cox proportional models assessed the association between tHcy and the risk of new-onset all events among Chinese older OSA patients. RESULTS The final analysis (60.1% male; median age, 66 years) used data from 1, 100 subjects during a median follow-up of 42 months, a total of 105 (9.5%) patients developed MACE and 42 (3.8%) patients died. Multivariable Cox regression analysis showed higher adjusted hazard ratios (aHRs) of MACE, myocardial infarction (MI), hospitalization for unstable angina, and composite of all events with tHcy levels in the 4th quartile (HR=5.93, 95% CI: 2.79-12.59; HR=4.72, 95% CI:1.36-4.61; HR=4.26, 95% CI:1.62-5.71; HR=4.17, 95% CI:2.23-7.81) and the 3rd quartile (HR=3.79, 95% CI:1.76-8.20; HR=3.65, 95% CI:1.04-2.98; HR=2.75, 95% CI:1.08-3.76; HR=2.51, 95% CI:1.31-4.83) compared to reference tHcy levels in quartile 1, respectively, while the aHRs (95% CIs) of all-cause death showed significantly higher only in the highest tHcy level quartile than in the lowest quartile (HR=3.20, 95% CI=1.16-8.84, P=0.025) with no significant differences in risks of cardiovascular death and hospitalisation for heart failure among groups (P>0.05). CONCLUSIONS tHcy, a marker of prognosis for older OSA patients, was significantly associated with the increased risk of MACE and all-cause death in this population independent of BMI, smoking status, and other potential risk factors, but not all clinical components events of MACE. New therapeutic approaches for older patients with OSA should mitigate tHcy-associated risks of MACE, and even all-cause death.
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Affiliation(s)
- L Liu
- Xiangqun Fang, Department of Pulmonary and Critical Care Medicine of the Second Medical Center and National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, 100853, China. ; Li Fan, Cardiology Department of the Second Medical Center and National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, 100853, China. ; Jiming Han, Medical College, Yan'an University,Yan'an, Shaanxi Province, China.
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MicroRNA Sequencing Analysis in Obstructive Sleep Apnea and Depression: Anti-Oxidant and MAOA-Inhibiting Effects of miR-15b-5p and miR-92b-3p through Targeting PTGS1-NF-κB-SP1 Signaling. Antioxidants (Basel) 2021; 10:antiox10111854. [PMID: 34829725 PMCID: PMC8614792 DOI: 10.3390/antiox10111854] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 11/06/2021] [Accepted: 11/19/2021] [Indexed: 01/10/2023] Open
Abstract
The aim of this study was to identify novel microRNAs related to obstructive sleep apnea (OSA) characterized by intermittent hypoxia with re-oxygenation (IHR) injury. Illumina MiSeq was used to identify OSA-associated microRNAs, which were validated in an independent cohort. The interaction between candidate microRNA and target genes was detected in the human THP-1, HUVEC, and SH-SY5Y cell lines. Next-generation sequencing analysis identified 22 differentially expressed miRs (12 up-regulated and 10 down-regulated) in OSA patients. Enriched predicted target pathways included senescence, adherens junction, and AGE-RAGE/TNF-α/HIF-1α signaling. In the validation cohort, miR-92b-3p and miR-15b-5p gene expressions were decreased in OSA patients, and negatively correlated with an apnea hypopnea index. PTGS1 (COX1) gene expression was increased in OSA patients, especially in those with depression. Transfection with miR-15b-5p/miR-92b-3p mimic in vitro reversed IHR-induced early apoptosis, reactive oxygen species production, MAOA hyperactivity, and up-regulations of their predicted target genes, including PTGS1, ADRB1, GABRB2, GARG1, LEP, TNFSF13B, VEGFA, and CXCL5. The luciferase assay revealed the suppressed PTGS1 expression by miR-92b-3p. Down-regulated miR-15b-5p/miR-92b-3p in OSA patients could contribute to IHR-induced oxidative stress and MAOA hyperactivity through the eicosanoid inflammatory pathway via directly targeting PTGS1-NF-κB-SP1 signaling. Over-expression of the miR-15b-5p/miR-92b-3p may be a new therapeutic strategy for OSA-related depression.
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Turkiewicz S, Ditmer M, Sochal M, Białasiewicz P, Strzelecki D, Gabryelska A. Obstructive Sleep Apnea as an Acceleration Trigger of Cellular Senescence Processes through Telomere Shortening. Int J Mol Sci 2021; 22:12536. [PMID: 34830418 PMCID: PMC8624921 DOI: 10.3390/ijms222212536] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 11/11/2021] [Accepted: 11/16/2021] [Indexed: 01/10/2023] Open
Abstract
Obstructive sleep apnea (OSA) is chronic disorder which is characterized by recurrent pauses of breathing during sleep which leads to hypoxia and its two main pathological sequelae: oxidative stress and chronic inflammation. Both are also associated with cellular senescence. As OSA patients present with higher prevalence of age-related disorders, such as atrial hypertension or diabetes mellitus type 2, a relationship between OSA and accelerated aging is observable. Furthermore, it has been established that these OSA are associated with telomere shortening. This process in OSA is likely caused by increased oxidative DNA damage due to increased reactive oxygen species levels, DNA repair disruptions, hypoxia, chronic inflammation, and circadian clock disturbances. The aim of the review is to summarize study outcomes on changes in leukocyte telomere length (LTL) in OSA patients and describe possible molecular mechanisms which connect cellular senescence and the pathophysiology of OSA. The majority of OSA patients are characterized by LTL attrition due to oxidative stress, hypoxia and inflammation, which make a kind of positive feedback loop, and circadian clock disturbance.
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Affiliation(s)
- Szymon Turkiewicz
- Department of Sleep Medicine and Metabolic Disorders, Medical University of Lodz, 92-215 Lodz, Poland; (S.T.); (M.D.); (M.S.); (P.B.)
| | - Marta Ditmer
- Department of Sleep Medicine and Metabolic Disorders, Medical University of Lodz, 92-215 Lodz, Poland; (S.T.); (M.D.); (M.S.); (P.B.)
| | - Marcin Sochal
- Department of Sleep Medicine and Metabolic Disorders, Medical University of Lodz, 92-215 Lodz, Poland; (S.T.); (M.D.); (M.S.); (P.B.)
| | - Piotr Białasiewicz
- Department of Sleep Medicine and Metabolic Disorders, Medical University of Lodz, 92-215 Lodz, Poland; (S.T.); (M.D.); (M.S.); (P.B.)
| | - Dominik Strzelecki
- Department of Affective and Psychotic Disorders, Medical University of Lodz, 92-215 Lodz, Poland;
| | - Agata Gabryelska
- Department of Sleep Medicine and Metabolic Disorders, Medical University of Lodz, 92-215 Lodz, Poland; (S.T.); (M.D.); (M.S.); (P.B.)
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Guo H, Zhang Y, Han T, Cui X, Lu X. Chronic intermittent hypoxia aggravates skeletal muscle aging by down-regulating Klc1/grx1 expression via Wnt/β-catenin pathway. Arch Gerontol Geriatr 2021; 96:104460. [PMID: 34218156 DOI: 10.1016/j.archger.2021.104460] [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: 03/22/2021] [Revised: 05/23/2021] [Accepted: 06/08/2021] [Indexed: 10/21/2022]
Abstract
OBJECTIVE Sleep breathing disorder may affect skeletal muscle decline in the elderly, but the mechanism is not clear. Therefore, this study explores the mechanism of skeletal muscle aging in chronic intermittent hypoxia (CIH) rats. METHODS In vitro and in vivo CIH models were constructed in L6 cells and SD rats by treating chronic intermittent hypoxia. Pathological changes of skeletal muscle in vivo were measured by hematoxylin-eosin (HE) staining. Cell proliferation and apoptosis were detected by CCK-8 and Flow cytometer, respectively. The expression of KLC1/GRX1 and the proteins related to the Wnt/β-catenin pathway were measured by qRT-PCR and western blot. RESULTS CIH model was successfully established induced by chronic intermittent hypoxia with lower skeletal muscle index (SMI), increased inward migration of muscle fiber cell nucleus, and muscle cells' distance. The results showed that Wnt/β-catenin signalling was activatedin both L6 cells and CIH rats' model. KLC1 and GRX1 were significantly downregulated in the CIH model. Loss of function showed that downregulation of KLC1 promoted L6 cell and skeletal muscle aging in vitro and in vivo, respectively. CONCLUSION Our results demonstrated that CIH aggravated skeletal muscle aging by down-regulating KLC1/GRX1 expression via the Wnt/β-catenin pathway.
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Affiliation(s)
- Hua Guo
- Department of Geriatrics, Sir Run Run Hospital of Nanjing Medical University, Nanjing, China; Wuxi People's Hospital affiliated to Nanjing Medical University, Wuxi, Jiangsu Province, China
| | - Yunyun Zhang
- Wuxi People's Hospital affiliated to Nanjing Medical University, Wuxi, Jiangsu Province, China
| | - Tingting Han
- Wuxi People's Hospital affiliated to Nanjing Medical University, Wuxi, Jiangsu Province, China
| | - Xiaochuan Cui
- Wuxi People's Hospital affiliated to Nanjing Medical University, Wuxi, Jiangsu Province, China.
| | - Xiang Lu
- Department of Geriatrics, Sir Run Run Hospital of Nanjing Medical University, Nanjing, China.
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Sanz-Rubio D, Khalyfa A, Qiao Z, Ullate J, Marin JM, Kheirandish-Gozal L, Gozal D. Cell-Selective Altered Cargo Properties of Extracellular Vesicles Following In Vitro Exposures to Intermittent Hypoxia. Int J Mol Sci 2021; 22:ijms22115604. [PMID: 34070558 PMCID: PMC8198838 DOI: 10.3390/ijms22115604] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 05/09/2021] [Accepted: 05/19/2021] [Indexed: 01/09/2023] Open
Abstract
Intermittent hypoxia (IH), a hallmark of obstructive sleep apnea (OSA), is associated with cardiovascular and metabolic dysfunction. However, the mechanisms underlying these morbidities remain poorly delineated. Extracellular vesicles (EVs) mediate intercellular communications, play pivotal roles in a multitude of physiological and pathological processes, and could mediate IH-induced cellular effects. Here, the effects of IH on human primary cells and the release of EVs were examined. Microvascular endothelial cells (HMVEC-d), THP1 monocytes, THP1 macrophages M0, THP1 macrophages M1, THP1 macrophages M2, pre-adipocytes, and differentiated adipocytes (HAd) were exposed to either room air (RA) or IH for 24 h. Secreted EVs were isolated and characterized using transmission electron microscopy, nanoparticle tracking analysis, and Western blotting. The effects of each of the cell-derived EVs on endothelial cell (EC) monolayer barrier integrity, on naïve THP1 macrophage polarity, and on adipocyte insulin sensitivity were also evaluated. IH did not alter EVs cell quantal release, but IH-EVs derived from HMVEC-d (p < 0.01), THP1 M0 (p < 0.01) and HAd (p < 0.05) significantly disrupted HMVEC-d monolayer integrity, particularly after H2O2 pre-conditioning. IH-EVs from HMVEC-d and THP1 M0 elicited M2-polarity changes did not alter insulin sensitivity responses. IH induces cell-selective changes in EVs cargo, which primarily seem to target the emergence of endothelial dysfunction. Thus, changes in EVs cargo from selected cell sources in vivo may play causal roles in some of the adverse outcomes associated with OSA.
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Affiliation(s)
- David Sanz-Rubio
- Department of Child Health, Child Health Research Institute, University of Missouri School of Medicine, Columbia, MO 65201, USA; (D.S.-R.); (Z.Q.); (J.U.); (L.K.-G.); (D.G.)
- Translational Research Unit, Hospital Universitario Miguel Servet, Instituto de Investigación Sanitaria de Aragón (IISAragón), 50009 Zaragoza, Spain;
| | - Abdelnaby Khalyfa
- Department of Child Health, Child Health Research Institute, University of Missouri School of Medicine, Columbia, MO 65201, USA; (D.S.-R.); (Z.Q.); (J.U.); (L.K.-G.); (D.G.)
- Correspondence: ; Tel.: +1-573-884-7685
| | - Zhuanhong Qiao
- Department of Child Health, Child Health Research Institute, University of Missouri School of Medicine, Columbia, MO 65201, USA; (D.S.-R.); (Z.Q.); (J.U.); (L.K.-G.); (D.G.)
| | - Jorge Ullate
- Department of Child Health, Child Health Research Institute, University of Missouri School of Medicine, Columbia, MO 65201, USA; (D.S.-R.); (Z.Q.); (J.U.); (L.K.-G.); (D.G.)
| | - José M. Marin
- Translational Research Unit, Hospital Universitario Miguel Servet, Instituto de Investigación Sanitaria de Aragón (IISAragón), 50009 Zaragoza, Spain;
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERes), 28029 Madrid, Spain
| | - Leila Kheirandish-Gozal
- Department of Child Health, Child Health Research Institute, University of Missouri School of Medicine, Columbia, MO 65201, USA; (D.S.-R.); (Z.Q.); (J.U.); (L.K.-G.); (D.G.)
| | - David Gozal
- Department of Child Health, Child Health Research Institute, University of Missouri School of Medicine, Columbia, MO 65201, USA; (D.S.-R.); (Z.Q.); (J.U.); (L.K.-G.); (D.G.)
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21
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The emerging roles of exosomes in autoimmune diseases, with special emphasis on microRNAs in exosomes. Pharmacol Res 2021; 169:105680. [PMID: 34010670 DOI: 10.1016/j.phrs.2021.105680] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 04/29/2021] [Accepted: 05/11/2021] [Indexed: 02/07/2023]
Abstract
Autoimmune diseases include rheumatoid arthritis (RA), systemic lupus erythematosus (SLE), systemic vasculitis, dermatomyositis, systemic sclerosis (SSc), mixed connective tissue disease, autoimmune hemolytic anemia, autoimmune thyroiditis (AITD) and ulcerative colitis. Exosomes exist in body fluids, including blood, saliva, urine, cerebrospinal fluid and milk. They are mainly derived from the invagination of intracellular lysosomal particles, which are released into the extracellular matrix after fusion of the outer membrane of the exosomes with the cell membrane. Exosomes mediate intercellular communication and regulate the biological activity of receptor cells by carrying proteins, nucleic acids and lipids. Evidences show that exosomes are involved in the pathogenesis of various autoimmune diseases. In view of the important roles of exosomes in autoimmune diseases, this work systematically reviewed the effects of exosomes on the pathogenesis of autoimmune diseases, especially the regulatory roles of exosome derived microRNAs (miRNAs) in the pathogenesis of RA, SLE, dermatomyositis, SSc, AITD and ulcerative colitis. The review of the roles of exosomes in autoimmune diseases will help to clarify the pathogenesis of these diseases and explore new diagnostic markers and therapeutic targets.
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Srinivasan A, Sundar IK. Recent updates on the role of extracellular vesicles in the pathogenesis of allergic asthma. EXTRACELLULAR VESICLES AND CIRCULATING NUCLEIC ACIDS 2021; 2:127-147. [PMID: 34414402 PMCID: PMC8372030 DOI: 10.20517/evcna.2021.03] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Asthma is a chronic inflammatory disease of the airway diagnosed with different endotypes and phenotypes, characterized by airway obstruction in response to allergens, bacterial/viral infections, or pollutants. Several cell types such as the airway epithelial cells, mesenchymal stem cells and different immune cells including dendritic cells (DCs), T and B cells and mast cells play an essential role during the pathobiology of asthma. Extracellular vesicles (EVs) are membranous nanovesicles produced by every cell type that facilitates intercellular communications. EVs contain heterogeneous cargos that primarily depend on the composition or cell type of origin and they can alter the physiological state of the target cells. EVs encompass a wide variety of proteins including Tetraspanins, MHC classes I and II, co-stimulatory molecules, nucleic acids such as RNA, miRNA, piRNA, circRNA, and lipids like ceramides and sphingolipids. Recent literature indicates that EVs play a pivotal role in the pathophysiology of allergic asthma and may potentially be used as a novel biomarker to determine endotypes and phenotypes in severe asthmatics. Based on the prior reports, we speculate that regulation of EVs biogenesis and release might be under the control of circadian rhythms. Thus, circadian rhythms may influence the composition of the EVs, which alter the microenvironment that results in the induction of an immune-inflammatory response to various environmental insults or allergens such as air pollutants, ozone, diesel exhaust particles, pollens, outdoor molds, environmental tobacco smoke, etc. In this mini-review, we summarize the recent updates on the novel role of EVs in the pathogenesis of asthma, and highlight the link between circadian rhythms and EVs that may be important to identify molecular mechanisms to target during the pathogenesis of chronic inflammatory lung disease such as asthma.
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Affiliation(s)
- Ashokkumar Srinivasan
- Department of Internal Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, University of Kansas Medical Center, Lawrence, KS 66160, USA
| | - Isaac Kirubakaran Sundar
- Department of Internal Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, University of Kansas Medical Center, Lawrence, KS 66160, USA
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The Mystery of Red Blood Cells Extracellular Vesicles in Sleep Apnea with Metabolic Dysfunction. Int J Mol Sci 2021; 22:ijms22094301. [PMID: 33919065 PMCID: PMC8122484 DOI: 10.3390/ijms22094301] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 04/15/2021] [Accepted: 04/16/2021] [Indexed: 12/12/2022] Open
Abstract
Sleep is very important for overall health and quality of life, while sleep disorder has been associated with several human diseases, namely cardiovascular, metabolic, cognitive, and cancer-related alterations. Obstructive sleep apnea (OSA) is the most common respiratory sleep-disordered breathing, which is caused by the recurrent collapse of the upper airway during sleep. OSA has emerged as a major public health problem and increasing evidence suggests that untreated OSA can lead to the development of various diseases including neurodegenerative diseases. In addition, OSA may lead to decreased blood oxygenation and fragmentation of the sleep cycle. The formation of free radicals or reactive oxygen species (ROS) can emerge and react with nitric oxide (NO) to produce peroxynitrite, thereby diminishing the bioavailability of NO. Hypoxia, the hallmark of OSA, refers to a decline of tissue oxygen saturation and affects several types of cells, playing cell-to-cell communication a vital role in the outcome of this interplay. Red blood cells (RBCs) are considered transporters of oxygen and nutrients to the tissues, and these RBCs are important interorgan communication systems with additional functions, including participation in the control of systemic NO metabolism, redox regulation, blood rheology, and viscosity. RBCs have been shown to induce endothelial dysfunction and increase cardiac injury. The mechanistic links between changes of RBC functional properties and cardiovascular are largely unknown. Extracellular vesicles (EVs) are secreted by most cell types and released in biological fluids both under physiological and pathological conditions. EVs are involved in intercellular communication by transferring complex cargoes including proteins, lipids, and nucleic acids from donor cells to recipient cells. Advancing our knowledge about mechanisms of RBC-EVs formation and their pathophysiological relevance may help to shed light on circulating EVs and to translate their application to clinical practice. We will focus on the potential use of RBC-EVs as valuable diagnostic and prognostic biomarkers and state-specific cargoes, and possibilities as therapeutic vehicles for drug and gene delivery. The use of RBC-EVs as a precision medicine for the diagnosis and treatment of the patient with sleep disorder will improve the prognosis and the quality of life in patients with cardiovascular disease (CVD).
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Gaspar LS, Sousa C, Álvaro AR, Cavadas C, Mendes AF. Common risk factors and therapeutic targets in obstructive sleep apnea and osteoarthritis: An unexpectable link? Pharmacol Res 2020; 164:105369. [PMID: 33352231 DOI: 10.1016/j.phrs.2020.105369] [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: 09/14/2020] [Revised: 11/11/2020] [Accepted: 12/09/2020] [Indexed: 10/22/2022]
Abstract
Osteoarthritis (OA) and Obstructive Sleep Apnea (OSA) are two highly prevalent chronic diseases for which effective therapies are urgently needed. Recent epidemiologic studies, although scarce, suggest that the concomitant occurrence of OA and OSA is associated with more severe manifestations of both diseases. Moreover, OA and OSA share risk factors, such as aging and metabolic disturbances, and co-morbidities, including cardiovascular and metabolic diseases, sleep deprivation and depression. Whether this coincidental occurrence is fortuitous or involves cause-effect relationships is unknown. This review aims at collating and integrating present knowledge on both diseases by providing a brief overview of their epidemiology and pathophysiology, analyzing current evidences relating OA and OSA and discussing potential common mechanisms by which they can aggravate each other. Such mechanisms constitute potential therapeutic targets whose pharmacological modulation may provide more efficient ways of reducing the consequences of OA and OSA and, thus, lessen the huge individual and social burden that they impose.
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Affiliation(s)
- Laetitia S Gaspar
- Centre for Neuroscience and Cell Biology (CNC), University of Coimbra, Coimbra, Portugal; Centre for Innovation in Biomedicine and Biotechnology (CIBB), University of Coimbra, Portugal; Institute for Interdisciplinary Research (IIIUC), University of Coimbra, Coimbra, Portugal; PhD Programme in Experimental Biology and Biomedicine (PDBEB), Institute for Interdisciplinary Research (IIIUC), University of Coimbra, Coimbra, Portugal
| | - Cátia Sousa
- Centre for Neuroscience and Cell Biology (CNC), University of Coimbra, Coimbra, Portugal; Centre for Innovation in Biomedicine and Biotechnology (CIBB), University of Coimbra, Portugal; Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal
| | - Ana Rita Álvaro
- Centre for Neuroscience and Cell Biology (CNC), University of Coimbra, Coimbra, Portugal; Centre for Innovation in Biomedicine and Biotechnology (CIBB), University of Coimbra, Portugal; Institute for Interdisciplinary Research (IIIUC), University of Coimbra, Coimbra, Portugal
| | - Cláudia Cavadas
- Centre for Neuroscience and Cell Biology (CNC), University of Coimbra, Coimbra, Portugal; Centre for Innovation in Biomedicine and Biotechnology (CIBB), University of Coimbra, Portugal; Institute for Interdisciplinary Research (IIIUC), University of Coimbra, Coimbra, Portugal; Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal.
| | - Alexandrina Ferreira Mendes
- Centre for Neuroscience and Cell Biology (CNC), University of Coimbra, Coimbra, Portugal; Centre for Innovation in Biomedicine and Biotechnology (CIBB), University of Coimbra, Portugal; Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal.
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Du S, Ling H, Guo Z, Cao Q, Song C. Roles of exosomal miRNA in vascular aging. Pharmacol Res 2020; 165:105278. [PMID: 33166733 DOI: 10.1016/j.phrs.2020.105278] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 10/27/2020] [Accepted: 10/27/2020] [Indexed: 12/15/2022]
Abstract
Aging is a major risk factor for human diseases. As global average life expectancy has lengthened, delaying or reducing aging and age-related diseases has become an urgent issue for improving the quality of life. The vascular aging process represents an important link between aging and age-related diseases. Exosomes are small extracellular vesicles (EV) that can be secreted by almost all eukaryotic cells, and they deliver characteristic biological information about donor cells to regulate the cellular microenvironment, mediate signal transmission between neighboring or distant cells, and affect the expression of target genes in recipient cells. Many recent studies have shown that exosomal microribonucleic acids (miRNA) are involved in the regulation of vascular aging by participating in the physiological functions of vascular cells and the destruction and remodeling of the extracellular matrix (ECM). This review summarizes the regulatory functions of exosomal miRNA in vascular aging because they interact with the ECM, and participate in vascular cell senescence, and the regulation of senescence-related functions such as proliferation, migration, apoptosis, inflammation, and differentiation.
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Affiliation(s)
- Shuangshuang Du
- Department of Cardiology, The Second Hospital of Jilin University, Changchun 130041, China
| | - Hao Ling
- Department of Cardiology, The Second Hospital of Jilin University, Changchun 130041, China
| | - Ziyuan Guo
- Department of Cardiology, The Second Hospital of Jilin University, Changchun 130041, China
| | - Qidong Cao
- Department of Cardiology, The Second Hospital of Jilin University, Changchun 130041, China
| | - Chunli Song
- Department of Cardiology, The Second Hospital of Jilin University, Changchun 130041, China.
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Khalyfa A, Castro-Grattoni AL, Gozal D. Cardiovascular morbidities of obstructive sleep apnea and the role of circulating extracellular vesicles. Ther Adv Respir Dis 2020; 13:1753466619895229. [PMID: 31852426 PMCID: PMC6923690 DOI: 10.1177/1753466619895229] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Obstructive sleep apnea (OSA) is characterized by recurrent upper airway collapse
during sleep resulting in impaired blood gas exchange, namely intermittent
hypoxia (IH) and hypercapnia, fragmented sleep (SF), increased oxidative stress
and systemic inflammation. Among a myriad of potential associated morbidities,
OSA has been particularly implicated as mechanistically contributing to the
prevalence and severity of cardiovascular diseases (CVD). However, the benefits
of continuous positive airway pressure (CPAP), which is generally employed in
OSA treatment, to either prevent or improve CVD outcomes remain unconvincing,
suggesting that the pathophysiological mechanisms underlying the incremental CVD
risk associated with OSA are not clearly understood. One of the challenges in
development of non-invasive diagnostic assays is the ability to identify
clinically and mechanistically relevant biomarkers. Circulating extracellular
vesicles (EVs) and their cargos reflect underlying changes in cellular
homeostasis and can provide insights into how cells and systems cope with
physiological perturbations by virtue of the identity and abundance of miRNAs,
mRNAs, proteins, and lipids that are packaged in the EVs under normal as well as
diseased states, such as OSA. EVs can not only provide unique insights into
coordinated cellular responses at the organ or systemic level, but can also
serve as reporters of the effects of OSA in CVD, either by their properties
enabling regeneration and repair of injured vascular cells or by damaging them.
Here, we highlight recent progress in the pathological CVD consequences of OSA,
and explore the putative roles of EVs in OSA-associated CVD, along with emerging
diagnostic and therapeutic opportunities. The reviews of this paper are available via the supplemental material
section.
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Affiliation(s)
- Abdelnaby Khalyfa
- Department of Child Health and the Child Health Research Institute, University of Missouri School of Medicine, Columbia, MO, USA
| | - Anabel L Castro-Grattoni
- Department of Child Health and the Child Health Research Institute, University of Missouri School of Medicine, Columbia, MO, USA
| | - David Gozal
- Department of Child Health and MU Women's and Children's Hospital, University of Missouri School of Medicine, 400 N. Keene Street, Suite 010, Columbia, MO 65201, USA
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Xi XJ, Zeng JJ, Lu Y, Chen SH, Jiang ZW, He PJ, Mi H. Extracellular vesicles enhance oxidative stress through P38/NF-kB pathway in ketamine-induced ulcerative cystitis. J Cell Mol Med 2020; 24:7609-7624. [PMID: 32441055 PMCID: PMC7339200 DOI: 10.1111/jcmm.15397] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2019] [Revised: 02/18/2020] [Accepted: 04/27/2020] [Indexed: 12/22/2022] Open
Abstract
Long‐term abuse of ketamine causes ketamine‐induced cystitis. The functional alterations of bladder epithelial cells in microenvironment during cystitis remain poorly understood. Here, we explored extracellular vesicles (EV) alteration in ketamine‐induced toxicity. To simulate the high‐concentration ketamine environment in vivo, we established an in vitro model of high ketamine using human uroepithelial cells (SV‐HUC‐1). Cell viability and proliferation were assessed to evaluate the effects of various concentrations (0, 0.25, 0.5, 1, 2, 4 and 8 mmol/L) of ketamine on SV‐HUC‐1 cells. The cell supernatant cultured at a concentration (0, 1, 2, 4 mmol/L) of ketamine was selected for EV extraction and identified. Subsequently, we assessed different groups (ketamine, ketamine plus EV blocker, EV, EV plus extracellular vesicles blocker) of oxidative stress and expression of inflammation. Last, luciferase reporter assay was performed to study the transcriptional regulation of EV on the NF‐kB and P38 pathway. The results of our study suggested that treatment with 0, 1, 2 or 4 mmol/L ketamine altered the morphology and secretion capacity of extracellular vesicles. As the concentration of ketamine increased, the average particle size of EV decreased, but the crest size, particle concentration and EV protein increased. Moreover, after the addition of EV blocker, EV secreted at different concentrations were blocked outside the cell membrane, and the degree of oxidative stress decreased. Our study provided evidence that ketamine alters the secretion of EV by directly stimulating cells in inflammation microenvironment and EV play significant roles in intercellular signal communication and the formation of KIC.EV
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Affiliation(s)
- Xiao Jian Xi
- Department of Urology, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Jin Jiang Zeng
- Department of Urology, Liuzhou Municipal Liutie Central Hospital, Liuzhou, China
| | - Yong Lu
- Department of Urology, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Shao Hua Chen
- Department of Urology, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Zhi Wen Jiang
- Department of Urology, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Peng Jie He
- Department of Urology, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Hua Mi
- Department of Urology, First Affiliated Hospital of Guangxi Medical University, Nanning, China
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Ha DH, Kim HK, Lee J, Kwon HH, Park GH, Yang SH, Jung JY, Choi H, Lee JH, Sung S, Yi YW, Cho BS. Mesenchymal Stem/Stromal Cell-Derived Exosomes for Immunomodulatory Therapeutics and Skin Regeneration. Cells 2020; 9:E1157. [PMID: 32392899 PMCID: PMC7290908 DOI: 10.3390/cells9051157] [Citation(s) in RCA: 249] [Impact Index Per Article: 62.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 04/25/2020] [Accepted: 05/04/2020] [Indexed: 12/12/2022] Open
Abstract
Exosomes are nano-sized vesicles that serve as mediators for cell-to-cell communication. With their unique nucleic acids, proteins, and lipids cargo compositions that reflect the characteristics of producer cells, exosomes can be utilized as cell-free therapeutics. Among exosomes derived from various cellular origins, mesenchymal stem cell-derived exosomes (MSC-exosomes) have gained great attention due to their immunomodulatory and regenerative functions. Indeed, many studies have shown anti-inflammatory, anti-aging and wound healing effects of MSC-exosomes in various in vitro and in vivo models. In addition, recent advances in the field of exosome biology have enabled development of specific guidelines and quality control methods, which will ultimately lead to clinical application of exosomes. This review highlights recent studies that investigate therapeutic potential of MSC-exosomes and relevant mode of actions for skin diseases, as well as quality control measures required for development of exosome-derived therapeutics.
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Affiliation(s)
- Dae Hyun Ha
- ExoCoBio Exosome Institute (EEI), ExoCoBio Inc., Seoul 08594, Korea; (D.H.H.); (H.-k.K.); (J.H.L.); (S.S.)
| | - Hyun-keun Kim
- ExoCoBio Exosome Institute (EEI), ExoCoBio Inc., Seoul 08594, Korea; (D.H.H.); (H.-k.K.); (J.H.L.); (S.S.)
| | - Joon Lee
- School of Chemical and Biological Engineering, Seoul National University, Seoul 08826, Korea;
| | | | - Gyeong-Hun Park
- Department of Dermatology, Dongtan Sacred Heart Hospital, Hallym University College of Medicine, Hwasweong-si, Gyeonggi-do 18450, Korea;
| | | | | | | | - Jun Ho Lee
- ExoCoBio Exosome Institute (EEI), ExoCoBio Inc., Seoul 08594, Korea; (D.H.H.); (H.-k.K.); (J.H.L.); (S.S.)
| | - Sumi Sung
- ExoCoBio Exosome Institute (EEI), ExoCoBio Inc., Seoul 08594, Korea; (D.H.H.); (H.-k.K.); (J.H.L.); (S.S.)
| | - Yong Weon Yi
- ExoCoBio Exosome Institute (EEI), ExoCoBio Inc., Seoul 08594, Korea; (D.H.H.); (H.-k.K.); (J.H.L.); (S.S.)
| | - Byong Seung Cho
- ExoCoBio Exosome Institute (EEI), ExoCoBio Inc., Seoul 08594, Korea; (D.H.H.); (H.-k.K.); (J.H.L.); (S.S.)
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Zeng Y, Cui Z, Liu J, Chen J, Tang S. MicroRNA-29b-3p Promotes Human Retinal Microvascular Endothelial Cell Apoptosis via Blocking SIRT1 in Diabetic Retinopathy. Front Physiol 2020; 10:1621. [PMID: 32063865 PMCID: PMC7000655 DOI: 10.3389/fphys.2019.01621] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Accepted: 12/24/2019] [Indexed: 12/23/2022] Open
Abstract
Background Diabetic retinopathy (DR) is a main complication of diabetes mellitus (DM). Recent studies have implicated microRNAs in human retinal microvascular endothelial cell (HRMEC) dysfunction. In this study, we aim to investigate the apoptotic promotion of miR-29b-3p by blocking SIRT1 in HRMEC for DR situation. Method Blood samples were obtained from DR patients and controls. Dual-luciferase reporter assay using HEK-293T cells was performed to show the direct interaction of miR-29b-3p and the 3′UTR of SIRT1. HRMECs were exposed to 5.5 mmol/L of glucose (normal control), 5.5 mmol/L of glucose and 24.5 mmol/L of mannitol (osmotic pressure control), 30 mmol/L of glucose [hyperglycemia (HG)], 150 μmol/L of CoCl2 (hypoxia), and 30 mmol/L of glucose plus 150 μmol/L of CoCl2 (HG-CoCl2). To identify the regulating relationship between miR-29b-3p and SIRT1, HRMECs were transfected with miR-29b-3p mimics/inhibitors or their negative controls. SRT1720 was used as a SIRT1 agonist. Cell viability was assessed with the cell counting kit-8 (CCK-8) assay, and apoptotic cells were stained by one-step terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) assay kit. Gene and protein expression were assayed by quantitative real-time reverse transcriptase-PCR (RT-qPCR) and western blotting separately. Result MiR-29b-3p was upregulated to 3.2-fold, and SIRT1 protein was downregulated to 65% in DR patients. Dual-luciferase reporter assay showed the direct interaction of miR-29b-3p and SIRT1. HRMECs were identified as >95% positive for CD31 and von Willebrand factor (vWF). MiR-29b-3p and Bax/Bcl-2 ratio was upregulated, whereas SIRT1 was downregulated in HRMECs in the HG-CoCl2 condition. Decreased cell viability and upregulated apoptosis were also found in HRMECs of the HG-CoCl2 condition. Upregulated miR-29b-3p decreased the expression of SIRT1 and increased the ratio of Bax/Bcl-2, whereas downregulated miR-29b-3p increased the expression of SIRT1 protein and downregulated the ratio of Bax/Bcl-2. SRT1720 rescued miR-29b-3p-induced HRMEC apoptosis via upregulating the expression of SIRT1 protein. Conclusion The dysregulation of miR-29b-3p/SIRT1 is a potential mechanism of HRMEC apoptosis in DR. MiR-29b-3p/SIRT1 may be a potential therapeutic target for DR.
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Affiliation(s)
- Yong Zeng
- Aier School of Ophthalmology, Central South University, Changsha, China
| | | | - Jian Liu
- Aier Eye Institute, Changsha, China
| | - Jiansu Chen
- Aier School of Ophthalmology, Central South University, Changsha, China.,Aier Eye Institute, Changsha, China.,Key Laboratory for Regenerative Medicine, Ministry of Education, Jinan University, Guangzhou, China.,Institute of Ophthalmology, Medical College, Jinan University, Guangzhou, China
| | - Shibo Tang
- Aier School of Ophthalmology, Central South University, Changsha, China.,Aier Eye Institute, Changsha, China.,Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Beijing, China
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Khalyfa A, Gozal D, Kheirandish-Gozal L. Plasma Extracellular Vesicles in Children with OSA Disrupt Blood-Brain Barrier Integrity and Endothelial Cell Wound Healing in Vitro. Int J Mol Sci 2019; 20:ijms20246233. [PMID: 31835632 PMCID: PMC6941040 DOI: 10.3390/ijms20246233] [Citation(s) in RCA: 20] [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: 11/09/2019] [Revised: 12/08/2019] [Accepted: 12/08/2019] [Indexed: 12/19/2022] Open
Abstract
Pediatric obstructive sleep apnea (P-OSA) is associated with neurocognitive deficits and endothelial dysfunction, suggesting the possibility that disruption of the blood-brain barrier (BBB) may underlie these morbidities. Extracellular vesicles (EVs), which include exosomes, are small particles involved in cell-cell communications via different mechanisms and could play a role in OSA-associated end-organ injury. To examine the roles of EVs in BBB dysfunction, we recruited three groups of children: (a) absence of OSA or cognitive deficits (CL, n = 6), (b) OSA but no evidence of cognitive deficits (OSA-NC(-), n = 12), and (c) OSA with evidence of neurocognitive deficits (OSA-NC(+), n = 12). All children were age-, gender-, ethnicity-, and BMI-z-score-matched, and those with OSA were also apnea-hypopnea index (AHI)-matched. Plasma EVs were characterized, quantified, and applied on multiple endothelial cell types (HCAEC, HIAEC, human HMVEC-D, HMVEC-C, HMVEC-L, and hCMEC/D3) while measuring monolayer barrier integrity and wound-healing responses. EVs from OSA children induced significant declines in hCMEC/D3 transendothelial impedance compared to CL (p < 0.001), and such changes were greater in NC(+) compared to NC(-) (p < 0.01). The effects of EVs from each group on wound healing for HCAEC, HIAEC, HMVED-d, and hCMEC/D3 cells were similar, but exhibited significant differences across the three groups, with evidence of disrupted wound healing in P-OSA. However, wound healing in HMVEC-C was only affected by NC(+) (p < 0.01 vs. NC(-) or controls (CO). Furthermore, no significant differences emerged in HMVEC-L cell wound healing across all three groups. We conclude that circulating plasma EVs in P-OSA disrupt the integrity of the BBB and exert adverse effects on endothelial wound healing, particularly among OSA-NC(+) children, while also exhibiting endothelial cell type selectivity. Thus, circulating EVs cargo may play important roles in the emergence of end-organ morbidity in pediatric OSA.
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