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Akbar MIA, Yosediputra A, Pratama RE, Fadhilah NL, Sulistyowati S, Amani FZ, Dachlan EG, Dikman Angsar M, Dekker GA. Pravastatin suppresses inflammatory cytokines and endothelial activation in patients at risk of developing preeclampsia: INOVASIA study. J Matern Fetal Neonatal Med 2021; 35:5375-5382. [PMID: 33522342 DOI: 10.1080/14767058.2021.1879785] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
INTRODUCTION The Indonesian INOVASIA study is an ongoing multicentre randomized, open controlled trial of pravastatin for the prevention of preeclampsia in patients deemed to be high risk. Here we evaluate the effects of pravastatin on circulating inflammatory and endothelial markers, i.e. Vascular Endothelial Growth Factor (VEGF), Interleukin-6 (IL-6), Endothelin-1 (ET-1), and Nitric Oxide (NO). METHODS Pregnant women deemed to be at a high risk of developing preeclampsia women were recruited based on the Fetal Medicine Foundation preeclampsia screening test or a history of preterm preeclampsia, or clinical risk factors in combination with an abnormal uterine artery Doppler flow pattern at 11-20 week's gestation. This is a nested cohort study within the larger trial (INOVASIA); 38 patients were consecutively recruited and assigned to the pravastatin group and the control group. Participants in the pravastatin group received pravastatin (2 × 20 mg p.o) in addition to a standard regimen of aspirin (80 mg p.o) and calcium (1 g p.o), from 14 to 20 weeks until delivery. Blood samples to measure the various biomarkers were obtained in consecutive patients before starting the research medication and just before delivery (pre and post-test examination). RESULT The number of samples on the 2 time points for the various biomarkers was: VEGF: 38, IL-6: 30, ET-1: 38, and NO: 35. IL-6 levels decreased significantly in the pravastatin group (mean ± SD): (191.87 ± 82.99 vs. 151.85 + 48.46, p = .013), while levels in the control group did not change significantly (median (interquartile range)) (144.17 (53.91) vs. 140.82 (16.18), p = .177). ET-1 levels decreased significantly in the pravastatin group (3.64 ± 0.85 vs. 3.01 ± 0.74, p = .006) while the control group had more or less stable levels (3.57 ± 1.12 vs. 3.78 ± 0.73 p = .594). NO was the only serum marker that showed significant changes in both groups. NO levels increased in pravastatin group (11.30 (17.43) vs. 41.90 (53.18), p = .044) and decreased in control group (38.70 (34.80) vs. 10.03 (26.96), p = .002). VEGF levels appeared to follow opposite trends in the 2 groups (NS) (Pravastatin: 3.22 (0.62) vs. 3.28 (0.75), p = .402. Control: 3.38 (0.83) vs. 3.06 (0.74), p = .287). CONCLUSION Administration of 40 mg pravastatin resulted in an improvement in NO levels, and a decrease in IL-6 and endothelin (ET-1) levels. The direction of the effect of pravastatin on these biomarkers appears to underpin the potential for a beneficial effect of pravastatin in the prevention of preeclampsia.
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Affiliation(s)
- Muhammad Ilham Aldika Akbar
- Department Obstetrics & Gynecology, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia.,Department Obstetrics & Gynecology, Dr. Soetomo General Academic Hospital, Surabaya, Indonesia.,Department Obstetrics & Gynecology, Universitas Airlangga Hospital, Surabaya, Indonesia
| | - Angelina Yosediputra
- Department Obstetrics & Gynecology, Dr. Soetomo General Academic Hospital, Surabaya, Indonesia
| | - Raditya Ery Pratama
- Department Obstetrics & Gynecology, Dr. Soetomo General Academic Hospital, Surabaya, Indonesia
| | - Nur Lailatul Fadhilah
- Department Obstetrics & Gynecology, Dr. Soetomo General Academic Hospital, Surabaya, Indonesia
| | | | - Fariska Zata Amani
- Department Obstetrics & Gynecology, Dr. Soetomo General Academic Hospital, Surabaya, Indonesia
| | - Erry Gumilar Dachlan
- Department Obstetrics & Gynecology, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia.,Department Obstetrics & Gynecology, Dr. Soetomo General Academic Hospital, Surabaya, Indonesia.,Department Obstetrics & Gynecology, Universitas Airlangga Hospital, Surabaya, Indonesia
| | - Muhammad Dikman Angsar
- Department Obstetrics & Gynecology, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia.,Department Obstetrics & Gynecology, Dr. Soetomo General Academic Hospital, Surabaya, Indonesia.,Department Obstetrics & Gynecology, Universitas Airlangga Hospital, Surabaya, Indonesia
| | - Gustaaf Albert Dekker
- Department Obstetrics & Gynecology, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia.,Department Obstetrics & Gynecology, Lyell McEwin Hospital, The University of Adelaide, Elizabeth Vale, Australia
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Ren C, Li N, Gao C, Zhang W, Yang Y, Li S, Ji X, Ding Y. Ligustilide provides neuroprotection by promoting angiogenesis after cerebral ischemia. Neurol Res 2020; 42:683-692. [PMID: 32584207 DOI: 10.1080/01616412.2020.1782122] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Changhong Ren
- Institute of Hypoxia Medicine, Xuanwu Hospital, Capital Medical University, Beijing, China
- BeijingKey Laboratory of Hypoxia Translational Medicine, Beijing, China
- Center of Stroke, Beijing Institute for Brain Disorder, Beijing, China
| | - Ning Li
- Institute of Hypoxia Medicine, Xuanwu Hospital, Capital Medical University, Beijing, China
- BeijingKey Laboratory of Hypoxia Translational Medicine, Beijing, China
- Center of Stroke, Beijing Institute for Brain Disorder, Beijing, China
| | - Chen Gao
- Institute of Hypoxia Medicine, Xuanwu Hospital, Capital Medical University, Beijing, China
- BeijingKey Laboratory of Hypoxia Translational Medicine, Beijing, China
- Center of Stroke, Beijing Institute for Brain Disorder, Beijing, China
| | - Wei Zhang
- Department of Herbal Formula Science Medicine, Chinese Medicine School, Beijing University of Chinese Medicine, Beijing, China
| | - Yong Yang
- Department of Herbal Formula Science Medicine, Chinese Medicine School, Beijing University of Chinese Medicine, Beijing, China
| | - Sijie Li
- BeijingKey Laboratory of Hypoxia Translational Medicine, Beijing, China
| | - Xunming Ji
- Institute of Hypoxia Medicine, Xuanwu Hospital, Capital Medical University, Beijing, China
- BeijingKey Laboratory of Hypoxia Translational Medicine, Beijing, China
- Center of Stroke, Beijing Institute for Brain Disorder, Beijing, China
| | - Yuchuan Ding
- Department of Neurosurgery, Wayne State University School of Medicine, Detroit, MI, USA
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Olivetti CE, Alvarez Echazú MI, Perna O, Perez CJ, Mitarotonda R, De Marzi M, Desimone MF, Alvarez GS. Dodecenylsuccinic anhydride modified collagen hydrogels loaded with simvastatin as skin wound dressings. J Biomed Mater Res A 2019; 107:1999-2012. [DOI: 10.1002/jbm.a.36713] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Revised: 02/01/2019] [Accepted: 05/02/2019] [Indexed: 12/28/2022]
Affiliation(s)
| | | | - Oriana Perna
- Facultad de Farmacia y BioquímicaUniversidad de Buenos Aires Buenos Aires Argentina
| | - Claudio J. Perez
- Instituto de Investigaciones en Ciencia y Tecnología de Materiales (INTEMA), Grupo Ciencia y Tecnología de PolímerosUniversidad Nacional de Mar del Plata Mar del Plata Argentina
| | - Romina Mitarotonda
- Facultad de Farmacia y BioquímicaUniversidad de Buenos Aires Buenos Aires Argentina
- Laboratorio de InmunologíaInstituto de Ecología y Desarrollo Sustentable (INEDES) CONICET‐UNLu Departamento de Ciencias Básicas, Universidad Nacional de Luján Buenos Aires Argentina
| | - Mauricio De Marzi
- Laboratorio de InmunologíaInstituto de Ecología y Desarrollo Sustentable (INEDES) CONICET‐UNLu Departamento de Ciencias Básicas, Universidad Nacional de Luján Buenos Aires Argentina
| | - Martín F. Desimone
- Facultad de Farmacia y BioquímicaUniversidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Instituto de Química y Metabolismo del Fármaco (IQUIMEFA) Buenos Aires Argentina
| | - Gisela S. Alvarez
- Facultad de Farmacia y BioquímicaUniversidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Instituto de Química y Metabolismo del Fármaco (IQUIMEFA) Buenos Aires Argentina
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Atorvastatin increases oxidative stress and inhibits cell migration of oral squamous cell carcinoma in vitro. Oral Oncol 2019; 90:109-114. [PMID: 30846168 DOI: 10.1016/j.oraloncology.2019.01.025] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Revised: 12/18/2018] [Accepted: 01/27/2019] [Indexed: 01/11/2023]
Abstract
OBJECTIVE This study aimed to evaluate the effect of atorvastatin treatment on reactive oxygen species (ROS) production and tumor angiogenesis in oral squamous cell carcinomas. MATERIAL AND METHODS An HN13 cell line was treated with 1 µM, 5 µM, and 10 µM of atorvastatin. VEGF-A gene expression was evaluated by quantitative real time PCR. VEGF-A protein expression was quantified from total protein and conditioned media by ELISA. Cellular oxidative stress was measured using 2',7'-dichlorfluorescein-diacetate (DCFH-DA). Angiogenesis assay was performed using human umbilical vein endothelial cells (HUVEC). The effect of atorvastatin on cell migration was evaluated by wound healing assay. RESULTS 5 µM and 10 µM of atorvastatin significantly increased VEGF-A gene expression in the HN13 cell line. Intracellular expression of the VEGF-A protein was higher in the cells treated with 5 µM and 10 µM than in the control cells. VEGF-A protein expression was also higher in the conditioned media from the atorvastatin-treated cells than in the media from the DMSO-treated cells. 5 µM and 10 µM of atorvastatin increased oxidative stress. Regarding angiogenesis assay, 5 µM of atorvastatin resulted in higher numbers of branch points, compared to the solvent. 10 µM of atorvastatin treatment resulted in significantly reduced cell migration. CONCLUSIONS This study showed that atorvastatin increases the oxidative stress and angiogenesis in oral squamous cell carcinomas. The decrease of cell migration indicates atorvastatin's inhibitory effect in oral tumors. These results suggest that atorvastatin could increase the intracellular oxidative stress in these cells, leading to a toxic microenvironment and inhibiting their metastasis.
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Chistiakov DA, Melnichenko AA, Myasoedova VA, Grechko AV, Orekhov AN. Role of lipids and intraplaque hypoxia in the formation of neovascularization in atherosclerosis. Ann Med 2017; 49:661-677. [PMID: 28797175 DOI: 10.1080/07853890.2017.1366041] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
According to the current paradigm, chronic vascular inflammation plays a central role in the pathogenesis of atherosclerosis. The plaque progression is typically completed with rupture and subsequent acute cardiovascular complications. Previously, the role of adventitial vasa vasorum in atherogenesis was underestimated. However, investigators then revealed that vasa vasorum neovascularization can be observed when no clinical manifestation of atherosclerosis is present. Vasa vasorum is involved in various proatherogenic processes such as intimal accumulation of inflammatory leukocytes, intimal thickening, necrotic core formation, intraplaque haemorrhage, lesion rupture and atherothrombosis. Due to the destabilizing action of the intraplaque microenvironment, lesional vasa vasorum neovessels experience serious defects and abnormalities during development that leads to their immaturity, fragility and leakage. Indeed, intraplaque neovessels are a main cause of intraplaque haemorrhage. Visualization techniques showed that presence of neovascularization/haemorrhage can serve as a good indicator of lesion instability and higher risk of rupture. Vasa vasorum density is a strong predictor of acute cardiovascular events such as sudden death, myocardial infarction and stroke. At present, arterial vasa vasorum neovascularization is under intensive investigation along with development of therapeutic tools focused on the control of formation of vasa vasorum neovessels in order to prevent plaque haemorrhage/rupture and thromboembolism. KEY MESSAGE Neovascularization plays an important role in atherosclerosis, being involved in unstable plaque formation. Presence of neovascularization and haemorrhage indicates plaque instability and risk of rupture. Various imaging techniques are available to study neovascularization.
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Affiliation(s)
- Dimitry A Chistiakov
- a Department of Neurochemistry, Division of Basic and Applied Neurobiology , Serbsky Federal Medical Research Center of Psychiatry and Narcology , Moscow , Russia
| | - Alexandra A Melnichenko
- b Laboratory of Angiopathology , Institute of General Pathology and Pathophysiology, Russian Academy of Medical Sciences , Moscow , Russia
| | - Veronika A Myasoedova
- b Laboratory of Angiopathology , Institute of General Pathology and Pathophysiology, Russian Academy of Medical Sciences , Moscow , Russia
| | - Andrey V Grechko
- c Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology , Moscow , Russia
| | - Alexander N Orekhov
- b Laboratory of Angiopathology , Institute of General Pathology and Pathophysiology, Russian Academy of Medical Sciences , Moscow , Russia.,d Institute for Atherosclerosis Research, Skolkovo Innovative Center , Moscow , Russia
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Wu SZ, Li YL, Huang W, Cai WF, Liang J, Paul C, Jiang L, Wu ZC, Xu M, Zhu P, Wang Y. Paracrine effect of CXCR4-overexpressing mesenchymal stem cells on ischemic heart injury. Cell Biochem Funct 2017; 35:113-123. [PMID: 28233339 DOI: 10.1002/cbf.3254] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Revised: 01/12/2017] [Accepted: 01/16/2017] [Indexed: 01/01/2023]
Abstract
It has been reported that CXCR4-overexpressing mesenchymal stem cells (MSCCX4 ) can repair heart tissue post myocardial infarction. This study aims to investigate the MSCCX4-derived paracrine cardio-protective signaling in the presence of myocardial infarction. Mesenchymal stem cells (MSCs) were divided into 3 groups: MSC only, MSCCX4 , and CXCR4 gene-specific siRNA-transduced MSC. Mesenchymal stem cells were exposed to hypoxia, and then MSCs-conditioned culture medium was incubated with neonatal and adult cardiomyocytes, respectively. Cell proliferation-regulating genes were assessed by real-time polymerase chain reaction (RT-PCR). In vitro: The number of cardiomyocytes undergoing DNA synthesis, cytokinesis, and mitosis was increased to a greater extent in MSCCX4 medium-treated group than control group, while this proproliferative effect was reduced in CXCR4 gene-specific siRNA-transduced MSC-treated cells. Accordingly, the maximal enhancement of vascular endothelial growth factor, cyclin 2, and transforming growth factor-β2 was observed in hypoxia-exposed MSCCX4 . In vivo: MSCs were labeled with enhanced green fluorescent protein (EGFP) and engrafted into injured myocardium in rats. The number of EGFP and CD31 positive cells in the MSCCX4 group was significantly increased than other 2 groups, associated with the reduced left ventricular (LV) fibrosis, the increased LV free wall thickness, the enhanced angiogenesis, and the improved contractile function. CXCR4 overexpression can mobilize MSCs into ischemic area, whereby these cells can promoted angiogenesis and alleviate LV remodeling via paracrine signaling mechanism.
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Affiliation(s)
- Shi-Zheng Wu
- Qinghai Provincial People's Hospital, Xining, Qinghai, China
| | - Ying-Lan Li
- Qinghai Provincial People's Hospital, Xining, Qinghai, China.,Research Center for High Altitude Medicine, Medical College of Qinghai University, Xining, Qinghai, China.,Department of Pathology and Laboratory Medicine, College of Medicine, University of Cincinnati Medical Center, Cincinnati, Ohio, USA
| | - Wei Huang
- Department of Pathology and Laboratory Medicine, College of Medicine, University of Cincinnati Medical Center, Cincinnati, Ohio, USA
| | - Wen-Feng Cai
- Department of Pathology and Laboratory Medicine, College of Medicine, University of Cincinnati Medical Center, Cincinnati, Ohio, USA
| | - Jialiang Liang
- Department of Pathology and Laboratory Medicine, College of Medicine, University of Cincinnati Medical Center, Cincinnati, Ohio, USA
| | - Christian Paul
- Department of Pathology and Laboratory Medicine, College of Medicine, University of Cincinnati Medical Center, Cincinnati, Ohio, USA
| | - Lin Jiang
- Department of Pathology and Laboratory Medicine, College of Medicine, University of Cincinnati Medical Center, Cincinnati, Ohio, USA
| | - Zhi-Chao Wu
- Guangdong Cardiovascular Institute, Guangdong General Hospital, Guangzhou, China.,Department of Pathology and Laboratory Medicine, College of Medicine, University of Cincinnati Medical Center, Cincinnati, Ohio, USA
| | - Meifeng Xu
- Department of Pathology and Laboratory Medicine, College of Medicine, University of Cincinnati Medical Center, Cincinnati, Ohio, USA
| | - Ping Zhu
- Guangdong Cardiovascular Institute, Guangdong General Hospital, Guangzhou, China
| | - Yigang Wang
- Department of Pathology and Laboratory Medicine, College of Medicine, University of Cincinnati Medical Center, Cincinnati, Ohio, USA
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Balan A, Szaingurten-Solodkin I, Swissa SS, Feinshtein V, Huleihel M, Holcberg G, Dukler D, Beharier O. The effects of pravastatin on the normal human placenta: Lessons from ex-vivo models. PLoS One 2017; 12:e0172174. [PMID: 28199380 PMCID: PMC5310776 DOI: 10.1371/journal.pone.0172174] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Accepted: 01/31/2017] [Indexed: 01/23/2023] Open
Abstract
Introduction Research in animal models and preliminary clinical studies in humans support the use of pravastatin for the prevention of preeclampsia. However, its use during pregnancy is still controversial due to limited data about its effect on the human placenta and fetus. Methods In the present study, human placental cotyledons were perfused in the absence or presence of pravastatin in the maternal reservoir (PraM). In addition, placental explants were treated with pravastatin for 5, 24 and 72 h under normoxia and hypoxia. We monitored the secretion of placental growth factor (PlGF), soluble fms-like tyrosine kinase-1 (sFlt-1), soluble endoglin (sEng), endothelial nitric oxide synthase (eNOS) expression and activation and the fetal vasoconstriction response to angiotensin-II. Results The concentrations of PlGF, sFlt-1 and sEng were not significantly altered by pravastatin in PraM cotyledons and in placental explants compared to control. Under hypoxic conditions, pravastatin decreased sFlt-1 concentrations. eNOS expression was significantly increased in PraM cotyledons but not in pravastatin-treated placental explants cultured under normoxia or hypoxia. eNOS phosphorylation was not significantly affected by pravastatin. The feto-placental vascular tone and the fetal vasoconstriction response to angiotensin-II, did not change following exposure of the maternal circulation to pravastatin. Conclusion We found that pravastatin does not alter the essential physiological functions of the placenta investigated in the study. The relevance of the study lays in the fact that it expands the current knowledge obtained thus far regarding the effect of the drug on the normal human placenta. This data is reassuring and important for clinicians that consider the treatment of high-risk patients with pravastatin, a treatment that exposes some normal pregnancies to the drug.
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Affiliation(s)
- Adelina Balan
- The Shraga Segal Department of Microbiology and Immunology, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Irit Szaingurten-Solodkin
- Department of Physiology and Cell Biology, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Shani S. Swissa
- The Shraga Segal Department of Microbiology and Immunology, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Valeria Feinshtein
- Department of Clinical Biochemistry and Pharmacology, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Mahmoud Huleihel
- The Shraga Segal Department of Microbiology and Immunology, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Gershon Holcberg
- Department of Obstetrics and Gynecology, Soroka University Medical Center and Ben-Gurion University of the Negev, Beer Sheva, Israel
| | - Doron Dukler
- Department of Obstetrics and Gynecology, Soroka University Medical Center and Ben-Gurion University of the Negev, Beer Sheva, Israel
| | - Ofer Beharier
- Department of Obstetrics and Gynecology, Soroka University Medical Center and Ben-Gurion University of the Negev, Beer Sheva, Israel
- * E-mail:
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Ren C, Wang B, Li N, Jin K, Ji X. Herbal Formula Danggui-Shaoyao-San Promotes Neurogenesis and Angiogenesis in Rat Following Middle Cerebral Artery Occlusion. Aging Dis 2015; 6:245-53. [PMID: 26236546 DOI: 10.14336/ad.2014.1126] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2014] [Revised: 11/26/2014] [Accepted: 11/26/2014] [Indexed: 01/09/2023] Open
Abstract
Current studies demonstrated that traditional Chinese herbal formula Danggui-Shaoyao-San (DSS) is not only used for the treatment of menstrual disorder, but has also found its use in neurological diseases. However, the neuroprotective role of DSS on ischemia-induced brain injury is still unclear. The aim of the present study is to explore the effect of DSS in ischemic brain injury. Total 30 adult female Sprague-Dawley rats underwent 90 min transient middle cerebral artery occlusion (MCAO). DSS (600 mg/kg) was administered through the intragastric route at the time of reperfusion and then performed every day thereafter until sacrifice. Results showed that DSS treatment significantly improved neurobehavioral outcomes (N=10 per group, P<0.05). Immunohistochemical staining showed that microvessel density in the perifocal region of DSS-treated rats was significantly increased compared to the saline-treated group (N=4 per group, P<0.01). Similarly, the numbers of BrdU(+)/DCX(+) cells in the subventricular zone were increased in DSS-treated rats compared to the saline-treated group (P<0.05). Furthermore, we demonstrated that DSS treatment activated vascular endothelial growth factor (N=4 per group, P<0.05) and promoted eNOS phosphorylation (N=4 per group, P<0.05). Thus, we concluded that DSS promoted focal angiogenesis and neurogenesis, and attenuated ischemia-induced brain injury in rats after MCAO, suggesting that DSS is a potential drug for ischemic stroke therapy.
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Affiliation(s)
- Changhong Ren
- Institute of Hypoxia Medicine, Xuanwu Hospital, Capital Medical University, Beijing 100053, China ; Department of Pharmacology and Neuroscience, University of North Texas Health Science Center at Fort Worth, TX 76107, USA
| | - Brian Wang
- Department of Pharmacology and Neuroscience, University of North Texas Health Science Center at Fort Worth, TX 76107, USA
| | - Ning Li
- Institute of Hypoxia Medicine, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Kunlin Jin
- Department of Pharmacology and Neuroscience, University of North Texas Health Science Center at Fort Worth, TX 76107, USA
| | - Xunming Ji
- Institute of Hypoxia Medicine, Xuanwu Hospital, Capital Medical University, Beijing 100053, China ; Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
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Progenitor cell mobilizing treatments prevent experimental transplant arteriosclerosis. J Surg Res 2013; 181:69-70. [PMID: 22546289 DOI: 10.1016/j.jss.2012.01.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2012] [Revised: 01/04/2012] [Accepted: 01/05/2012] [Indexed: 11/22/2022]
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Elmadhun NY, Lassaletta AD, Chu LM, Liu Y, Feng J, Sellke FW. Atorvastatin increases oxidative stress and modulates angiogenesis in Ossabaw swine with the metabolic syndrome. J Thorac Cardiovasc Surg 2012; 144:1486-93. [PMID: 22995723 DOI: 10.1016/j.jtcvs.2012.08.065] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2012] [Revised: 08/02/2012] [Accepted: 08/23/2012] [Indexed: 12/20/2022]
Abstract
OBJECTIVE The purpose of the present study was to evaluate the effect of atorvastatin on oxidative stress and angiogenesis in ischemic myocardium in a clinically relevant porcine model of the metabolic syndrome. METHODS Sixteen Ossabaw pigs were fed either a high-fat diet alone or a high-fat diet supplemented with atorvastatin (1.5 mg/kg daily) for 14 weeks. Chronic myocardial ischemia was induced by ameroid constrictor placement around the circumflex artery. After 6 months of the diet, myocardial perfusion was measured at rest and with demand pacing. The heart was harvested for analysis of perfusion, microvessel relaxation, protein expression, and oxidative stress. RESULTS Both groups had similar endothelium-dependent microvessel relaxation to adenosine diphosphate and endothelium-independent relaxation to sodium nitroprusside. Myocardial perfusion in the ischemic territory was also not significantly different either at rest or with demand pacing. Atorvastatin treatment increased total myocardial protein oxidation and serum lipid peroxidation. However, the expression of markers of oxidative stress, including NOX2, RAC1, myeloperoxidase, and superoxide dismutase 1, 2, and 3, were not statistically different. The expression of proangiogenic proteins endothelial nitric oxide synthase, phosphorylated endothelial nitric oxide synthase (Ser 1177), phosphorylated adenosine monophosphate kinase (Thr 172), phosphorylated extracellular signal-regulated kinase (T202, Y204), and vascular endothelial growth factor were all upregulated in the atorvastatin group. CONCLUSIONS Atorvastatin increased the capillary and arteriolar density and upregulated the proangiogenic proteins endothelial nitric oxide synthase and phosphorylated endothelial nitric oxide synthase, phosphorylated adenosine monophosphate kinase, phosphorylated extracellular signal-regulated kinase, and vascular endothelial growth factor in a swine model of the metabolic syndrome. However, it failed to increase myocardial perfusion. Atorvastatin treatment was associated with increased myocardial and serum oxidative stress, which might contribute to the lack of collateral-dependent perfusion in the setting of angiogenesis.
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Affiliation(s)
- Nassrene Y Elmadhun
- Division of Cardiothoracic Surgery, Cardiovascular Research Center, Brown University Warren Alpert School of Medicine, Providence, RI 02905, USA
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Roux N, Brakenhielm E, Freguin-Bouillant C, Lallemand F, Henry JP, Boyer O, Thuillez C, Plissonnier D. Progenitor cell mobilizing treatments prevent experimental transplant arteriosclerosis. J Surg Res 2011; 176:657-65. [PMID: 22341036 DOI: 10.1016/j.jss.2011.11.1014] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2011] [Revised: 11/07/2011] [Accepted: 11/18/2011] [Indexed: 12/16/2022]
Abstract
OBJECTIVE Vascular rejection after organ transplantation is characterized by an arterial occlusive lesion, resulting from intimal proliferation occurring in response to arterial wall immune aggression. Our hypothesis is that an early endothelial repair may prevent vascular graft rejection. The aim of the current study was to compare different pharmacologic progenitor cell mobilizing treatments for their protective effects against vascular rejection. METHODS AND RESULTS Aortic transplants were made from balb/c donor to C57Bl/6 recipient mice. Three different mobilizing pharmacologic agents were used: low molecular weight fucoidan (LMWF), simvastatin, and AMD3100. The circulating levels of progenitor cells were found to be increased by all three treatments, as determined by flow cytometry. For each treatment, the design was: treated allografts, nontreated allografts, treated isografts, and nontreated isografts. After 21 d, morphometric and immunohistochemical analyses were performed. We found that the three treatments significantly reduced intimal proliferation, compared with nontreated allografts. This was associated with intimal re-endothelialization of the grafts. Further, in chimeric mice that had previously received GFP-transgenic bone marrow transplantation, GFP-positive cells were found in the vascular allograft intima, indicating that re-endothelialization was, at least partly, due to the recruitment of bone marrow-derived, presumably endothelial progenitor circulating cells. CONCLUSIONS In this aortic allograft model, three different mobilizing treatments were found to partially prevent vascular transplant rejection. Bone marrow-derived progenitor cells mobilized by the three treatments may play a direct role in the endothelial repair process and in the suppression of intimal proliferation.
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Affiliation(s)
- Nicolas Roux
- Inserm U644, Institute for Biomedical Research, Rouen University, Rouen, France
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Ablation of cholesterol biosynthesis in neural stem cells increases their VEGF expression and angiogenesis but causes neuron apoptosis. Proc Natl Acad Sci U S A 2009; 106:8350-5. [PMID: 19416849 DOI: 10.1073/pnas.0903541106] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Although sufficient cholesterol supply is known to be crucial for neurons in the developing mammalian brain, the cholesterol requirement of neural stem and progenitor cells in the embryonic central nervous system has not been addressed. Here we have conditionally ablated the activity of squalene synthase (SQS), a key enzyme for endogenous cholesterol production, in the neural stem and progenitor cells of the ventricular zone (VZ) of the embryonic mouse brain. Mutant embryos exhibited a reduced brain size due to the atrophy of the neuronal layers, and died at birth. Analyses of the E11.5-E15.5 dorsal telencephalon and diencephalon revealed that this atrophy was due to massive apoptosis of newborn neurons, implying that this progeny of the SQS-ablated neural stem and progenitor cells was dependent on endogenous cholesterol biosynthesis for survival. Interestingly, the neural stem and progenitor cells of the VZ, the primary target of SQS inactivation, did not undergo significant apoptosis. Instead, vascular endothelial growth factor (VEGF) expression in these cells was strongly upregulated via a hypoxia-inducible factor-1-independent pathway, and angiogenesis in the VZ was increased. Consistent with an increased supply of lipoproteins to these cells, the level of lipid droplets containing triacylglycerides with unsaturated fatty acyl chains was found to be elevated. Our study establishes a direct link between intracellular cholesterol levels, VEGF expression, and angiogenesis. Moreover, our data reveal a hitherto unknown compensatory process by which the neural stem and progenitor cells of the developing mammalian brain evade the detrimental consequences of impaired endogenous cholesterol biosynthesis.
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Tousoulis D, Kaski JC, Antoniades C, Stefanadis C. Beneficial effects of statin treatment after myocardial infarction: Is progenitor cell mobilization the missing link? Int J Cardiol 2008; 130:301-3. [PMID: 18715656 DOI: 10.1016/j.ijcard.2008.06.079] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2008] [Accepted: 06/28/2008] [Indexed: 10/21/2022]
Abstract
It is widely accepted that statin treatment improves survival in patients with myocardial infarction. Evidence also suggests that aggressive statin treatment is superior than standard dose during the post-infarction period. However, the exact mechanisms are still not well understood. Endothelial progenitor cells (EPC) play a key role in vascular homeostasis, since they contribute to the repair of damaged endothelium post-myocardial infarction, while they induce neoangiogenesis. Recent evidence suggests that statins may exert their beneficial effect in patients with recent myocardial infarction, by inducing EPC mobilization, and this may be a key mechanism by which statins improve survival in these patients. However, large scale clinical trials remain to prove that aggressive statin treatment is superior than standard dose in these patients, by inducing a more effective EPC mobilization.
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Ando H, Nakanishi K, Shibata M, Hasegawa K, Yao K, Miyaji H. Benidipine, a dihydropyridine-Ca2+ channel blocker, increases the endothelial differentiation of endothelial progenitor cells in vitro. Hypertens Res 2007; 29:1047-54. [PMID: 17378377 DOI: 10.1291/hypres.29.1047] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Benidipine is a dihydropyridine-Ca2+ channel blocker used in the treatment of hypertension and angina pectoris. In the present study, we examined the effects of benidipine on the endothelial differentiation of circulating endothelial progenitor cells (EPCs) using an in vitro culture method. Peripheral blood derived mononuclear cells (PBMCs) containing EPCs were isolated from C57BL/6 mice, and then the cells were cultured on vitronectin/gelatin-coated slide glasses. After 7 days of culture, endothelial cells differentiated from EPCs were identified as adherent cells with 1,1'-dioctadecyl-3,3,3',3'-tetramethyl-indocarbocyanine-labeled acetylated low density lipoprotein (Dil-Ac-LDL) uptake and lectin binding under a fluorescent microscope. Incubation of PBMCs for 7 days with benidipine (0.01-1 micromol/l) significantly increased the number of Dil-Ac-LDL+/fluorescein isothiocyanate-lectin (FITC-Lectin)+ cells. Wortmannin, a phosphoinositide-3 kinase (PI3K) inhibitor, selectively attenuated the effect of benidipine on the endothelial differentiation. In addition, benidipine treatment augmented the phosphorylation of Akt, indicating that the PI3K/Akt pathway contributed, at least in part, to the endothelial differentiation induced by benidipine. These results suggest that the treatment with benidipine may increase the endothelial differentiation of circulating EPCs and contribute to endothelial protection, prevention of cardiovascular disease, and/or an improvement of the prognosis after ischemic damage.
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Affiliation(s)
- Hiroshi Ando
- BioFrontier Laboratories, Kyowa Hakko Kogyo Co., Ltd., Machida, Japan.
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