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Gavish L, Gilon D, Beeri R, Nachman D, Gertz SD. Photobiomodulation for Abdominal Aortic Aneurysm: Can It Work? Photobiomodul Photomed Laser Surg 2022; 40:519-521. [DOI: 10.1089/photob.2022.0046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Lilach Gavish
- The Saul and Joyce Brandman Hub for Cardiovascular Research and the Department of Medical Neurobiology, Institute for Medical Research (IMRIC), Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
- Institute for Research in Military Medicine (IRMM), Faculty of Medicine, The Hebrew University of Jerusalem and the Israel Defense Forces Medical Corps, Jerusalem, Israel
| | - Dan Gilon
- Heart Institute, Hadassah Hebrew University Hospital, Jerusalem, Israel
| | - Ronen Beeri
- Heart Institute, Hadassah Hebrew University Hospital, Jerusalem, Israel
| | - Dean Nachman
- Heart Institute, Hadassah Hebrew University Hospital, Jerusalem, Israel
| | - S. David Gertz
- The Saul and Joyce Brandman Hub for Cardiovascular Research and the Department of Medical Neurobiology, Institute for Medical Research (IMRIC), Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
- Institute for Research in Military Medicine (IRMM), Faculty of Medicine, The Hebrew University of Jerusalem and the Israel Defense Forces Medical Corps, Jerusalem, Israel
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2
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Yin Q, Chang H, Shen Q, Xing D. Photobiomodulation therapy promotes the ATP-binding cassette transporter A1-dependent cholesterol efflux in macrophage to ameliorate atherosclerosis. J Cell Mol Med 2021; 25:5238-5249. [PMID: 33951300 PMCID: PMC8178257 DOI: 10.1111/jcmm.16531] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 02/15/2021] [Accepted: 03/05/2021] [Indexed: 01/21/2023] Open
Abstract
Atherosclerosis is a chronic inflammatory disease related to a massive accumulation of cholesterol in the artery wall. Photobiomodulation therapy (PBMT) has been reported to possess cardioprotective effects but has no consensus on the underlying mechanisms. Here, we aimed to investigate whether PBMT could ameliorate atherosclerosis and explore the potential molecular mechanisms. The Apolipoprotein E (ApoE)−/− mice were fed with western diet (WD) for 18 weeks and treated with PBMT once a day in the last 10 weeks. Quantification based on Oil red O‐stained aortas showed that the average plaque area decreased 8.306 ± 2.012% after PBMT (P < .05). Meanwhile, we observed that high‐density lipoprotein cholesterol level in WD + PBMT mice increased from 0.309 ± 0.037 to 0.472 ± 0.038 nmol/L (P < .05) compared with WD mice. The further results suggested that PBMT could promote cholesterol efflux from lipid‐loaded primary peritoneal macrophages and inhibit foam cells formation via up‐regulating the ATP‐binding cassette transporters A1 expression. A contributing mechanism involved in activating the phosphatidylinositol 3‐kinases/protein kinase C zeta/specificity protein 1 signalling cascade. Our study outlines that PBMT has a protective role on atherosclerosis by promoting macrophages cholesterol efflux and provides a new strategy for treating atherosclerosis.
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Affiliation(s)
- Qianxia Yin
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, China
| | - Haocai Chang
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, China
| | - Qi Shen
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, China
| | - Da Xing
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou, China
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3
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Ramezani F, Neshasteh-Riz A, Ghadaksaz A, Fazeli SM, Janzadeh A, Hamblin MR. Mechanistic aspects of photobiomodulation therapy in the nervous system. Lasers Med Sci 2021; 37:11-18. [PMID: 33624187 DOI: 10.1007/s10103-021-03277-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 02/15/2021] [Indexed: 12/12/2022]
Abstract
Photobiomodulation therapy (PBMT) previously known as low-level laser therapy (LLLT) has been used for over 30 years, to treat neurological diseases. Low-powered lasers are commonly used for clinical applications, although recently LEDs have become popular. Due to the growing application of this type of laser in brain and neural-related diseases, this review focuses on the mechanisms of laser action. The most important points to consider include the photon absorption by intracellular structures; the effect on the oxidative state of cells; and the effect on the expression of proteins involved in oxidative stress, inflammation, pain, and neuronal growth.
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Affiliation(s)
- Fatemeh Ramezani
- Physiology Research Center, Iran University of Medical Science, Tehran, Iran
| | - Ali Neshasteh-Riz
- Radiation Biology Research Center, Iran University of Medical Science, Tehran, Iran
| | - Alireza Ghadaksaz
- Department of Biophysics, Medical School, University of Pécs, Pécs, 7622, Hungary.,Szentágothai Research Centre, University of Pécs, Pécs, 7622, Hungary
| | - Seyedalireza Moghadas Fazeli
- Occupational Medicine Research Center (OMRC), Iran University of Medical Sciences, Tehran, Iran.,International Campus, Iran University of Medical Sciences, Tehran, Iran
| | - Atousa Janzadeh
- Radiation Biology Research Center, Iran University of Medical Science, Tehran, Iran.
| | - Michael R Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein, 2028, South Africa.
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4
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Gavish L, Gilon D, Beeri R, Zuckerman A, Nachman D, Gertz SD. Photobiomodulation and estrogen stabilize mitochondrial membrane potential in angiotensin-II challenged porcine aortic smooth muscle cells. JOURNAL OF BIOPHOTONICS 2021; 14:e202000329. [PMID: 32888351 DOI: 10.1002/jbio.202000329] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 09/01/2020] [Accepted: 09/02/2020] [Indexed: 06/11/2023]
Abstract
Rupture of Abdominal aortic aneurysm (AAA) is among the 15 leading causes of death after age 65. Using high frequency ultrasound, we showed that photobiomodulation (PBM) prevents formation and progression of AAA in the angiotensin-II (Ang-II)-infused, apolipoprotein-e-deficient mouse model. In the current study we report that while challenge of porcine aortic Smooth Muscle Cells (SMCs) with Ang-II (1 μM) resulted in a marked decay in mitochondrial membrane potential (MitMP) vs non-challenged cells, treatment with PBM (continuous diode laser, 780 nm, 6.7 mW/cm2 , 5 minutes, 2 J/cm2 ) or pre-incubation with estrogen (50 nM, 1 hour) significantly attenuated this deterioration in MitMP. We also report that PBM and estrogen markedly affected porcine aortic SMC contraction and modified mitochondrial dispersion reflecting important influence on SMC function. These studies provide strong evidence of the important underlying role of mitochondria in the preventive effect of PBM on formation and progression of AAA and its reduced incidence and delayed onset in women.
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Affiliation(s)
- Lilach Gavish
- Institute for Research in Military Medicine (IRMM) of The Faculty of Medicine, The Hebrew University of Jerusalem and the Israel Defense Forces Medical Corps, Jerusalem, Israel
- The Saul and Joyce Brandman Cardiovascular Research Hub of the Institute for Medical Research (IMRIC), Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Dan Gilon
- Institute for Research in Military Medicine (IRMM) of The Faculty of Medicine, The Hebrew University of Jerusalem and the Israel Defense Forces Medical Corps, Jerusalem, Israel
- The Saul and Joyce Brandman Cardiovascular Research Hub of the Institute for Medical Research (IMRIC), Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
- Department of Cardiology, Heart Institute, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Ronen Beeri
- The Saul and Joyce Brandman Cardiovascular Research Hub of the Institute for Medical Research (IMRIC), Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
- Department of Cardiology, Heart Institute, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Ayelet Zuckerman
- The Saul and Joyce Brandman Cardiovascular Research Hub of the Institute for Medical Research (IMRIC), Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Dean Nachman
- Institute for Research in Military Medicine (IRMM) of The Faculty of Medicine, The Hebrew University of Jerusalem and the Israel Defense Forces Medical Corps, Jerusalem, Israel
- The Saul and Joyce Brandman Cardiovascular Research Hub of the Institute for Medical Research (IMRIC), Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
- Department of Internal Medicine, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - S David Gertz
- Institute for Research in Military Medicine (IRMM) of The Faculty of Medicine, The Hebrew University of Jerusalem and the Israel Defense Forces Medical Corps, Jerusalem, Israel
- The Saul and Joyce Brandman Cardiovascular Research Hub of the Institute for Medical Research (IMRIC), Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
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Aslanidou L, Ferraro M, Lovric G, Bersi MR, Humphrey JD, Segers P, Trachet B, Stergiopulos N. Co-localization of microstructural damage and excessive mechanical strain at aortic branches in angiotensin-II-infused mice. Biomech Model Mechanobiol 2019; 19:81-97. [PMID: 31273562 DOI: 10.1007/s10237-019-01197-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Accepted: 06/26/2019] [Indexed: 02/07/2023]
Abstract
Animal models of aortic aneurysm and dissection can enhance our limited understanding of the etiology of these lethal conditions particularly because early-stage longitudinal data are scant in humans. Yet, the pathogenesis of often-studied mouse models and the potential contribution of aortic biomechanics therein remain elusive. In this work, we combined micro-CT and synchrotron-based imaging with computational biomechanics to estimate in vivo aortic strains in the abdominal aorta of angiotensin-II-infused ApoE-deficient mice, which were compared with mouse-specific aortic microstructural damage inferred from histopathology. Targeted histology showed that the 3D distribution of micro-CT contrast agent that had been injected in vivo co-localized with precursor vascular damage in the aortic wall at 3 days of hypertension, with damage predominantly near the ostia of the celiac and superior mesenteric arteries. Computations similarly revealed higher mechanical strain in branching relative to non-branching regions, thus resulting in a positive correlation between high strain and vascular damage in branching segments that included the celiac, superior mesenteric, and right renal arteries. These results suggest a mechanically driven initiation of damage at these locations, which was supported by 3D synchrotron imaging of load-induced ex vivo delaminations of angiotensin-II-infused suprarenal abdominal aortas. That is, the major intramural delamination plane in the ex vivo tested aortas was also near side branches and specifically around the celiac artery. Our findings thus support the hypothesis of an early mechanically mediated formation of microstructural defects at aortic branching sites that subsequently propagate into a macroscopic medial tear, giving rise to aortic dissection in angiotensin-II-infused mice.
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Affiliation(s)
- Lydia Aslanidou
- Institute of Bioengineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland.
| | - Mauro Ferraro
- Institute of Bioengineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Goran Lovric
- Centre d'Imagerie BioMédicale, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
- Swiss Light Source, Paul Scherrer Institute, Villigen, Switzerland
| | - Matthew R Bersi
- Department of Biomedical Engineering, Yale University, New Haven, USA
- Department of Biomedical Engineering, Vanderbilt University, Nashville, USA
| | - Jay D Humphrey
- Department of Biomedical Engineering, Yale University, New Haven, USA
| | | | - Bram Trachet
- Institute of Bioengineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
- bioMMeda, Ghent University, Ghent, Belgium
| | - Nikos Stergiopulos
- Institute of Bioengineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
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de Freitas LF, Hamblin MR. Proposed Mechanisms of Photobiomodulation or Low-Level Light Therapy. IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS : A PUBLICATION OF THE IEEE LASERS AND ELECTRO-OPTICS SOCIETY 2016; 22:7000417. [PMID: 28070154 PMCID: PMC5215870 DOI: 10.1109/jstqe.2016.2561201] [Citation(s) in RCA: 742] [Impact Index Per Article: 92.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Photobiomodulation (PBM) also known as low-level laser (or light) therapy (LLLT), has been known for almost 50 years but still has not gained widespread acceptance, largely due to uncertainty about the molecular, cellular, and tissular mechanisms of action. However, in recent years, much knowledge has been gained in this area, which will be summarized in this review. One of the most important chromophores is cytochrome c oxidase (unit IV in the mitochondrial respiratory chain), which contains both heme and copper centers and absorbs light into the near-infra-red region. The leading hypothesis is that the photons dissociate inhibitory nitric oxide from the enzyme, leading to an increase in electron transport, mitochondrial membrane potential and ATP production. Another hypothesis concerns light-sensitive ion channels that can be activated allowing calcium to enter the cell. After the initial photon absorption events, numerous signaling pathways are activated via reactive oxygen species, cyclic AMP, NO and Ca2+, leading to activation of transcription factors. These transcription factors can lead to increased expression of genes related to protein synthesis, cell migration and proliferation, anti-inflammatory signaling, anti-apoptotic proteins, antioxidant enzymes. Stem cells and progenitor cells appear to be particularly susceptible to LLLT.
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Affiliation(s)
- Lucas Freitas de Freitas
- Programa de Pós-Graduação
Interunidades Bioengenharia, University of São Paulo, São Carlos -
SP, Brazil
- Wellman Center for Photomedicine, Harvard Medical School,
Boston, MA 02114, USA
| | - Michael R Hamblin
- Wellman Center for Photomedicine, Harvard Medical School,
Boston, MA 02114, USA
- Department of Dermatology, Harvard Medical School, Boston,
MA 02115, USA
- Harvard-MIT Division of Health Sciences and Technology,
Cambridge, MA 02139, USA
- Correspondence: Michael R Hamblin,
; Tel 1-617-726-6182
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7
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Trachet B, Fraga-Silva RA, Jacquet PA, Stergiopulos N, Segers P. Incidence, severity, mortality, and confounding factors for dissecting AAA detection in angiotensin II-infused mice: a meta-analysis. Cardiovasc Res 2015; 108:159-70. [PMID: 26307626 DOI: 10.1093/cvr/cvv215] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2015] [Accepted: 06/25/2015] [Indexed: 01/25/2023] Open
Abstract
AIMS While angiotensin II-infused mice are the most popular model for preclinical aneurysm research, representative data on incidence, severity, and mortality of dissecting abdominal aortic aneurysms (AAAs) have never been established, and the influence of confounding factors is unknown. METHODS AND RESULTS We performed a meta-analysis including 194 manuscripts representing 1679 saline-infused, 4729 non-treated angiotensin II-infused, and 4057 treated angiotensin II-infused mice. Incidence (60%) and mortality (20%) rates are reported overall as well as for grade I (22%), grade II (26%), grade III (29%), and grade IV (24%) aneurysms. Dissecting AAA incidence was significantly (P < 0.05) influenced by sex, age, genetic background, infusion time, and dose of angiotensin II. Mortality was influenced by sex, genetic background, and dose, but not by age or infusion time. Surprisingly, both incidence and mortality were significantly different (P < 0.05) when comparing angiotensin II-infused mice in descriptive studies (56% incidence and 19% mortality) with angiotensin II-infused mice that served as control animals in treatment studies designed to either enhance (35% incidence and 13% mortality) or reduce (73% incidence and 25% mortality) dissecting AAA formation. After stratification to account for confounding factors (selection bias), the observed effect was still present for incidence, but not for mortality. Possible underlying causes are detection bias (non-uniform definition for detection and quantification of dissecting AAA in mice) or publication bias (studies with negative results, related to incidence in the control group, not being published). CONCLUSIONS Our data provide a new meta-analysis-based reference for incidence and mortality of dissecting AAA in angiotensin II-infused mice, and indicate that treatment studies using this mouse model should be interpreted with caution.
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Affiliation(s)
- Bram Trachet
- IBiTech - bioMMeda, Ghent University-iMinds Medical IT, Ghent, Belgium Institute of Bioengineering, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Rodrigo A Fraga-Silva
- Institute of Bioengineering, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Philippe A Jacquet
- Bioinformatics and Biostatistics Core Facility, School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland Swiss Institute of Bioinformatics, Lausanne, Switzerland
| | - Nikolaos Stergiopulos
- Institute of Bioengineering, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Patrick Segers
- IBiTech - bioMMeda, Ghent University-iMinds Medical IT, Ghent, Belgium
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Trachet B, Bols J, Degroote J, Verhegghe B, Stergiopulos N, Vierendeels J, Segers P. An animal-specific FSI model of the abdominal aorta in anesthetized mice. Ann Biomed Eng 2015; 43:1298-309. [PMID: 25824368 DOI: 10.1007/s10439-015-1310-y] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2015] [Accepted: 03/23/2015] [Indexed: 11/30/2022]
Abstract
Recent research has revealed that angiotensin II-induced abdominal aortic aneurysm in mice can be related to medial ruptures occurring in the vicinity of abdominal side branches. Nevertheless a thorough understanding of the biomechanics near abdominal side branches in mice is lacking. In the current work we present a mouse-specific fluid-structure interaction (FSI) model of the abdominal aorta in ApoE(-/-) mice that incorporates in vivo stresses. The aortic geometry was based on contrast-enhanced in vivo micro-CT images, while aortic flow boundary conditions and material model parameters were based on in vivo high-frequency ultrasound. Flow waveforms predicted by FSI simulations corresponded better to in vivo measurements than those from CFD simulations. Peak-systolic principal stresses at the inner and outer aortic wall were locally increased caudal to the celiac and left lateral to the celiac and mesenteric arteries. Interestingly, these were also the locations at which a tear in the tunica media had been observed in previous work on angiotensin II-infused mice. Our preliminary results therefore suggest that local biomechanics play an important role in the pathophysiology of branch-related ruptures in angiotensin-II infused mice. More elaborate follow-up research is needed to demonstrate the role of biomechanics and mechanobiology in a longitudinal setting.
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Affiliation(s)
- Bram Trachet
- IBiTech-bioMMeda, Ghent University - iMinds Medical IT, De Pintelaan 185B, 9000, Ghent, Belgium,
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Giuliani A, Lorenzini L, Alessandri M, Torricella R, Baldassarro VA, Giardino L, Calzà L. In vitro exposure to very low-level laser modifies expression level of extracellular matrix protein RNAs and mitochondria dynamics in mouse embryonic fibroblasts. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2015; 15:78. [PMID: 25886934 PMCID: PMC4387590 DOI: 10.1186/s12906-015-0593-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2014] [Accepted: 02/26/2015] [Indexed: 12/16/2022]
Abstract
Background Low-level lasers working at 633 or 670 nm and emitting extremely low power densities (Ultra Low Level Lasers - ULLL) exert an overall effect of photobiostimulation on cellular metabolism and energy balance. In previous studies, it was demonstrated that ULLL pulsed emission mode regulates neurite elongation in vitro and exerts protective action against oxidative stress. Methods In this study the action of ULLL supplied in both pulsed and continuous mode vs continuous LLL on fibroblast cultures (Mouse Embryonic Fibroblast-MEF) was tested, focusing on mitochondria network and the expression level of mRNA encoding for proteins involved in the cell-matrix adhesion. Results It was shown that ULLL at 670 nm, at extremely low average power output (0.21 mW/ cm2) and dose (4.3 mJ/ cm2), when dispensed in pulsed mode (PW), but not in continuous mode (CW) supplied at both at very low (0.21 mW/cm2) and low levels (500 mW/cm2), modifies mitochondria network dynamics, as well as expression level of mRNA encoding for selective matrix proteins in MEF, e.g. collagen type 1α1 and integrin α5. Conclusions We suggest that pulsatility, but not energy density, is crucial in regulating expression level of collagen I and integrin α5 in fibroblasts by ULLL.
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Chen Y, Liu R, Zhang G, Yu Q, Jia M, Zheng C, Wang Y, Xu C, Zhang Y, Liu E. Hypercysteinemia promotes atherosclerosis by reducing protein S-nitrosylation. Biomed Pharmacother 2015; 70:253-9. [PMID: 25776509 DOI: 10.1016/j.biopha.2015.01.030] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2015] [Accepted: 01/23/2015] [Indexed: 11/18/2022] Open
Abstract
Protein S-nitrosylation plays important role in the regulation of cardiovascular functions in nitric oxide (NO) Pathway. Hypercysteinemia (HHcy) is an independently risk factor for atherosclerosis. We hypothesized that HHcy promotes atherosclerosis by reducing level of vascular protein S-nitrosylation. The aim of present study is to investigate effect of HHcy on vascular protein S-nitrosylation. A total of 45 male apoE-/- mice were randomly divided into three groups. The control group was fed a Western-type diet. The HHcy group was fed a diet containing 4.4% L-methionine, and the HHcy+NONOate group was fed a diet containing 4.4% L-methionine and administrated NONOate (ip). Human umbilical vein endothelial cells were performed for in vitro experiment. Plasma lipids were measured every 4 weeks. After 12 weeks, aortic atherosclerotic lesion areas were detected as well as cellular components. The levels of plasma homocysteine (Hcy) and NO were measured. S-nitrosylation was detected using immunofluorescence, and further confirmed by biotin switch method. We found that compared with the control group, Hcy levels, and atherosclerotic plaque, and content of vascular smooth muscle cells and macrophages in lesions significantly increased, and levels of NO significantly decreased in the HHcy group. However, NONOate reverses this effect. In addition, Hcy significantly reduced protein S-nitrosylation in human umbilical vein endothelial cells. This reduction of protein S-nitrosylation was accompanied by reduced levels of NO. Our results suggested that Hcy promoted atherosclerosis by inhibiting vascular protein S-nitrosylation.
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Affiliation(s)
- Yulong Chen
- Shaanxi Key Laboratory of Ischemic Cardiovascular Disease, Institute of Basic and Translational Medicine, Xi'an Medical University, Xi'an, Shaanxi 710021, China; Laboratory Animal Center, Xi'an Jiaotong University School of Medicine, Xi'an Shaanxi, 710061, China
| | - Ruihan Liu
- Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou, Henan 450007, China; Laboratory Animal Center, Xi'an Jiaotong University School of Medicine, Xi'an Shaanxi, 710061, China
| | - Guangwei Zhang
- Shaanxi Key Laboratory of Ischemic Cardiovascular Disease, Institute of Basic and Translational Medicine, Xi'an Medical University, Xi'an, Shaanxi 710021, China
| | - Qi Yu
- Shaanxi Key Laboratory of Ischemic Cardiovascular Disease, Institute of Basic and Translational Medicine, Xi'an Medical University, Xi'an, Shaanxi 710021, China
| | - Min Jia
- Shaanxi Key Laboratory of Ischemic Cardiovascular Disease, Institute of Basic and Translational Medicine, Xi'an Medical University, Xi'an, Shaanxi 710021, China
| | - Chao Zheng
- The Third People's Hospital of Kunshan, Suzhou, Jiangsu 215316, China
| | - Yanli Wang
- Shaanxi Key Laboratory of Ischemic Cardiovascular Disease, Institute of Basic and Translational Medicine, Xi'an Medical University, Xi'an, Shaanxi 710021, China; Laboratory Animal Center, Xi'an Jiaotong University School of Medicine, Xi'an Shaanxi, 710061, China
| | - Cangbao Xu
- Shaanxi Key Laboratory of Ischemic Cardiovascular Disease, Institute of Basic and Translational Medicine, Xi'an Medical University, Xi'an, Shaanxi 710021, China; Division of Experimental Vascular Research, Institute of Clinical Science in Lund, Lund University, BMC A13, SE-221 84 Lund, Sweden
| | - Yaping Zhang
- Shaanxi Key Laboratory of Ischemic Cardiovascular Disease, Institute of Basic and Translational Medicine, Xi'an Medical University, Xi'an, Shaanxi 710021, China; Division of Experimental Vascular Research, Institute of Clinical Science in Lund, Lund University, BMC A13, SE-221 84 Lund, Sweden
| | - Enqi Liu
- Shaanxi Key Laboratory of Ischemic Cardiovascular Disease, Institute of Basic and Translational Medicine, Xi'an Medical University, Xi'an, Shaanxi 710021, China; Laboratory Animal Center, Xi'an Jiaotong University School of Medicine, Xi'an Shaanxi, 710061, China.
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11
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Gertz SD, Gavish L, Mintz Y, Beeri R, Rubinstein C, Gavish LY, Berlatzky Y, Appelbaum L, Gilon D. Contradictory effects of hypercholesterolemia and diabetes mellitus on the progression of abdominal aortic aneurysm. Am J Cardiol 2015; 115:399-401. [PMID: 25499403 DOI: 10.1016/j.amjcard.2014.11.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2014] [Revised: 10/28/2014] [Accepted: 11/01/2014] [Indexed: 01/08/2023]
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12
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Trachet B, Fraga-Silva RA, Piersigilli A, Tedgui A, Sordet-Dessimoz J, Astolfo A, Van der Donckt C, Modregger P, Stampanoni MFM, Segers P, Stergiopulos N. Dissecting abdominal aortic aneurysm in Ang II-infused mice: suprarenal branch ruptures and apparent luminal dilatation. Cardiovasc Res 2014; 105:213-22. [DOI: 10.1093/cvr/cvu257] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
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13
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Gavish L, Beeri R, Gilon D, Rubinstein C, Berlatzky Y, Bulut A, Reissman P, Gavish LY, Gertz SD. Arrest of progression of pre-induced abdominal aortic aneurysm in apolipoprotein E-deficient mice by low level laser phototherapy. Lasers Surg Med 2014; 46:781-90. [DOI: 10.1002/lsm.22306] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/13/2014] [Indexed: 01/02/2023]
Affiliation(s)
- Lilach Gavish
- Institute for Medical Research-IMRIC; Hebrew University of Jerusalem; Jerusalem Israel
| | - Ronen Beeri
- Department of Cardiology; Hadassah University Hospital; Jerusalem Israel
| | - Dan Gilon
- Department of Cardiology; Hadassah University Hospital; Jerusalem Israel
| | - Chen Rubinstein
- Department of Vascular Surgery; Hadassah University Hospital; Jerusalem Israel
| | - Yacov Berlatzky
- Department of Vascular Surgery; Hadassah University Hospital; Jerusalem Israel
| | - Atilla Bulut
- Department of Cardiology; Hadassah University Hospital; Jerusalem Israel
| | | | - Leah Y. Gavish
- Institute for Medical Research-IMRIC; Hebrew University of Jerusalem; Jerusalem Israel
| | - S. David Gertz
- Institute for Medical Research-IMRIC; Hebrew University of Jerusalem; Jerusalem Israel
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14
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Inadequate reinforcement of transmedial disruptions at branch points subtends aortic aneurysm formation in apolipoprotein-E-deficient mice. Cardiovasc Pathol 2014; 23:152-9. [DOI: 10.1016/j.carpath.2013.12.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2013] [Revised: 12/26/2013] [Accepted: 12/30/2013] [Indexed: 01/16/2023] Open
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15
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Gertz SD, Mintz Y, Beeri R, Rubinstein C, Gilon D, Gavish L, Berlatzky Y, Appelbaum L, Gavish L. Lessons from Animal Models of Arterial Aneurysm. AORTA : OFFICIAL JOURNAL OF THE AORTIC INSTITUTE AT YALE-NEW HAVEN HOSPITAL 2013; 1:244-54. [PMID: 26798701 DOI: 10.12945/j.aorta.2013.13-052] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2013] [Accepted: 10/30/2013] [Indexed: 01/04/2023]
Abstract
We review the results from the most common animal models of arterial aneurysm, including recent findings from our novel, laparoscopy-based pig model of abdominal aortic aneurysm, that contribute important insights into early pathogenesis. We emphasize the relevance of these findings for evaluation of treatment protocols and novel device prototypes for mechanism-based prevention of progression and rupture.
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Affiliation(s)
- S David Gertz
- Institute for Medical Research (IMRIC), Faculty of Medicine, The Hebrew University of Jerusalem and Hadassah University Hospital, Jerusalem, Israel
| | - Yoav Mintz
- Institute for Medical Research (IMRIC), Faculty of Medicine, The Hebrew University of Jerusalem and Hadassah University Hospital, Jerusalem, Israel
| | - Ronen Beeri
- Institute for Medical Research (IMRIC), Faculty of Medicine, The Hebrew University of Jerusalem and Hadassah University Hospital, Jerusalem, Israel
| | - Chen Rubinstein
- Institute for Medical Research (IMRIC), Faculty of Medicine, The Hebrew University of Jerusalem and Hadassah University Hospital, Jerusalem, Israel
| | - Dan Gilon
- Institute for Medical Research (IMRIC), Faculty of Medicine, The Hebrew University of Jerusalem and Hadassah University Hospital, Jerusalem, Israel
| | - Leah Gavish
- Institute for Medical Research (IMRIC), Faculty of Medicine, The Hebrew University of Jerusalem and Hadassah University Hospital, Jerusalem, Israel
| | - Yacov Berlatzky
- Institute for Medical Research (IMRIC), Faculty of Medicine, The Hebrew University of Jerusalem and Hadassah University Hospital, Jerusalem, Israel
| | - Liat Appelbaum
- Institute for Medical Research (IMRIC), Faculty of Medicine, The Hebrew University of Jerusalem and Hadassah University Hospital, Jerusalem, Israel
| | - Lilach Gavish
- Institute for Medical Research (IMRIC), Faculty of Medicine, The Hebrew University of Jerusalem and Hadassah University Hospital, Jerusalem, Israel
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16
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Rodríguez-Santana E, Santana-Blank L. Laser photobiomodulation as a potential multi-hallmark therapy for age-related macular degeneration. Photomed Laser Surg 2013; 31:409-10. [PMID: 23808767 DOI: 10.1089/pho.2013.3560] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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