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Olszewska A, Matys J, Grzech-Leśniak K, Czajka-Jakubowska A. Enhanced Recovery of Local Anesthesia in Pediatric Patients: The Impact of Photobiomodulation on Reversing Anesthesia Effects. Med Sci Monit 2024; 30:e941928. [PMID: 38787794 PMCID: PMC11131430 DOI: 10.12659/msm.941928] [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: 07/25/2023] [Accepted: 02/20/2024] [Indexed: 05/26/2024] Open
Abstract
BACKGROUND The split-mouth study design is used in oral health research and usually consists of 2 treatments randomly assigned to either the right or left side. This split-mouth study aimed to evaluate the efficacy of photobiomodulation on reversal of local anesthesia in 50 children aged 8-10 years. MATERIAL AND METHODS The study was conducted among 50 children: 27 girls and 23 boys, aged 8-10 years (mean age 9.38±1.15 years), who presented 2 carious maxillary permanent molars. One side was randomly assigned to the laser group (50 teeth), and the contralateral side to the control group (50 teeth). At the end of the treatment, photobiomodulation (PBM) was performed in the area of infiltration at 6 points, with 635 nm (25 children) (250 mW, 500 mW/cm², 15J) and 808 nm (25 children) (200 mW, 400 mW/cm², 12J) (SmartM PRO, Lasotronix, Poland). On the contralateral side, the laser's off-mode applicator was used. Anesthetic effect was evaluated by palpation test (soft tissues) and electrical test (dental pulp). RESULTS After 15 minutes, in the laser group the return to normal sensations in the palpation test showed 88% (808 nm) and 68% (635 nm), and only 20% in the control group (P=0.04123). After 45 minutes, all the participants from the PBM group returned to normal sensations (P=0.21458). Dental pulp's excitability threshold was lower for both wavelengths compared to the control group (P=0.000001). CONCLUSIONS The identification of factors accelerating the recovery time to normal function, such as PBM, can be used as important data to eliminate self-injury secondary to local anesthesia (LA) in children.
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Affiliation(s)
- Aneta Olszewska
- Department of Orthodontics and Temporomandibular Disorders, Poznań University of Medical Sciences, Poznań, Poland
| | - Jacek Matys
- Laser Laboratory, Department of Dental Surgery, Wrocław Medical University, Wrocław, Poland
| | - Kinga Grzech-Leśniak
- Laser Laboratory, Department of Dental Surgery, Wrocław Medical University, Wrocław, Poland
| | - Agata Czajka-Jakubowska
- Department of Orthodontics and Temporomandibular Disorders, Poznań University of Medical Sciences, Poznań, Poland
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Weihrauch D, Keszler A, Broeckel G, Aranda E, Lindemer B, Lohr NL. Red light mediates the exocytosis of vasodilatory vesicles from cultured endothelial cells: a cellular, and ex vivo murine model. Photochem Photobiol Sci 2024; 23:355-364. [PMID: 38277065 PMCID: PMC10917865 DOI: 10.1007/s43630-023-00522-1] [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: 09/28/2023] [Accepted: 12/12/2023] [Indexed: 01/27/2024]
Abstract
We have previously established that 670 nm energy induces relaxation of blood vessels via an endothelium derived S-nitrosothiol (RSNO) suggested to be embedded in vesicles. Here, we confirm that red light facilitates the exocytosis of this vasodilator from cultured endothelial cells and increases ex vivo blood vessel diameter. Ex vivo pressurized and pre-constricted facial arteries from C57Bl6/J mice relaxed 14.7% of maximum diameter when immersed in the medium removed from red-light exposed Bovine Aortic Endothelial Cells. In parallel experiments, 0.49 nM RSNO equivalent species was measured in the medium over the irradiated cells vs dark control. Electron microscopy of light exposed endothelium revealed significant increases in the size of the Multi Vesicular Body (MVB), a regulator of exosome trafficking, while RSNO accumulated in the MVBs as detected with immunogold labeling electron microscopy (1.8-fold of control). Moreover, red light enhanced the presence of F-actin related stress fibers (necessary for exocytosis), and the endothelial specific marker VE-cadherin levels suggesting an endothelial origin of the extracellular vesicles. Flow cytometry coupled with DAF staining, an indirect sensor of nitric oxide (NO), indicated significant amounts of NO within the extracellular vesicles (1.4-fold increase relative to dark control). Therefore, we further define the mechanism on the 670 nm light mediated traffic of endothelial vasodilatory vesicles and plan to leverage this insight into the delivery of red-light therapies.
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Affiliation(s)
- Dorothee Weihrauch
- Division of Cardiovascular Medicine, Department of Medicine, Medical College of Wisconsin, Milwaukee, WI, USA
- Department of Anesthesiology, Milwaukee, WI, USA
- Department of Plastic Surgery, Milwaukee, WI, USA
| | - Agnes Keszler
- Division of Cardiovascular Medicine, Department of Medicine, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Grant Broeckel
- Division of Cardiovascular Medicine, Department of Medicine, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Eva Aranda
- Division of Cardiovascular Medicine, Department of Medicine, Medical College of Wisconsin, Milwaukee, WI, USA
- Department of Anesthesiology, Milwaukee, WI, USA
| | - Brian Lindemer
- Division of Cardiovascular Medicine, Department of Medicine, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Nicole L Lohr
- Division of Cardiovascular Medicine, Department of Medicine, Medical College of Wisconsin, Milwaukee, WI, USA.
- Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI, USA.
- Clement J Zablocki VA Medical Center, Milwaukee, WI, USA.
- Cardiovascular Institute, University of Birmingham, Alabama, USA.
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Zhang P, Zhang X, Zhu H. Photobiomodulation at 660 nm promotes collagen synthesis via downregulation of HIF-1α expression without photodamage in human scleral fibroblasts in vitro in a hypoxic environment. Graefes Arch Clin Exp Ophthalmol 2023; 261:2535-2545. [PMID: 37074407 DOI: 10.1007/s00417-023-06066-5] [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: 02/06/2023] [Revised: 03/29/2023] [Accepted: 04/10/2023] [Indexed: 04/20/2023] Open
Abstract
PURPOSE The increasing prevalence of myopia is a global public health issue. Because of the complexity of myopia pathogenesis, current control methods for myopia have great limitations. The aim of this study was to explore the effect of photobiomodulation (PBM) on human sclera fibroblasts (HSFs) under hypoxia, in the hope of providing new ideas for myopia prevention and control. METHODS Hypoxic cell model was established at 0, 6, 12, and 24 h time points to simulate myopia microenvironment and explore the optimal time point. Control, hypoxia, hypoxia plus light, and normal plus light cell models were set up for the experiments, and cells were incubated for 24 or 48 h after PBM (660 nm, 5 J/cm2), followed by evaluation of hypoxia-inducible factor 1α (HIF-1α) and collagen I a1 (COL1A1) proteins using Western blotting and immunofluorescence, and photo damage was detected by CCK-8, scratch test, and flow cytometry assays. We also used transfection technology to further elucidate the regulatory mechanism. RESULTS The change of target proteins is most obvious when hypoxia lasts for 24 h (p < 0.01). PBM at 660 nm increased extracellular collagen content (p < 0.001) and downregulated expression of HIF-1α (p < 0.05). This treatment did not affect the migration and proliferation of cells (p > 0.05), and effectively inhibited apoptosis under hypoxia (p < 0.0001). After overexpression of HIF-1α, the effect of PBM was attenuated (p > 0.05). CONCLUSIONS Photobiomodulation at 660 nm promotes collagen synthesis via downregulation of HIF-1α expression without photodamage.
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Affiliation(s)
- Pengbo Zhang
- Department of Ophthalmology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Xibo Zhang
- Department of Ophthalmology, Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China.
| | - Huang Zhu
- Department of Ophthalmology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China.
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Lewis THJ, Zhuo J, McClellan JX, Getsy PM, Ryan RM, Jenkins MJ, Lewis SJ. Infrared light elicits endothelium-dependent vasodilation in isolated occipital arteries of the rat via soluble guanylyl cyclase-dependent mechanisms. Front Physiol 2023; 14:1219998. [PMID: 37664436 PMCID: PMC10471192 DOI: 10.3389/fphys.2023.1219998] [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: 05/09/2023] [Accepted: 08/01/2023] [Indexed: 09/05/2023] Open
Abstract
The left and right occipital arteries provide blood supply to afferent cell bodies in the ipsilateral nodose and petrosal ganglia. This supply is free of an effective blood-ganglion barrier, so changes in occipital artery blood flow directly affect the access of circulating factors to the afferent cell bodies. The application of infrared (IR) light to modulate neural and other cell processes has yielded information about basic biological processes within tissues and is gaining traction as a potential therapy for a variety of disease processes. To address whether IR can directly modulate vascular function, we performed wire myography studies to determine the actions of IR on occipital arteries isolated from male Sprague-Dawley rats. Based on our previous research that functionally-important differences exist between occipital artery segments close to their origin at the external carotid artery (ECA) and those closer to the nodose ganglion, the occipital arteries were dissected into two segments, one closer to the ECA and the other closer to the nodose ganglion. Segments were constricted with 5-hydroxytryptamine to a level equal to 50% of the maximal response generated by the application of a high (80 mM) concentration of K+ ions. The direct application of pulsed IR (1,460 nm) for 5 s produced a rapid vasodilation in occipital arteries that was significantly more pronounced in segments closest to the ECA, although the ECA itself was minimally responsive. The vasodilation remained for a substantial time (at least 120 s) after cessation of IR application. The vasodilation during and following cessation of the IR application was markedly diminished in occipital arteries denuded of the endothelium. In addition, the vasodilation elicited by IR in endothelium-intact occipital arteries was substantially reduced in the presence of a selective inhibitor of the nitric oxide-sensitive guanylate cyclase, 1H-[1,2,4]oxadiazolo [4,3-a]quinoxalin-1-one (ODQ). It appears that IR causes endothelium-dependent, nitric-oxide-mediated vasodilation in the occipital arteries of the rat. The ability of IR to generate rapid and sustained vasodilation may provide new therapeutic approaches for restoring or improving blood flow to targeted tissues.
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Affiliation(s)
- Tristan H. J. Lewis
- Department of Neurosciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, United States
| | - Junqi Zhuo
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, United States
| | - Jacob X. McClellan
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, United States
| | - Paulina M. Getsy
- Department of Pediatrics, Case Western Reserve University, Cleveland, OH, United States
| | - Rita M. Ryan
- Department of Pediatrics, Case Western Reserve University, Cleveland, OH, United States
| | - Michael. J. Jenkins
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, United States
- Department of Pediatrics, Case Western Reserve University, Cleveland, OH, United States
| | - Stephen J. Lewis
- Department of Pediatrics, Case Western Reserve University, Cleveland, OH, United States
- Departments of Pharmacology, Case Western Reserve University, Cleveland, OH, United States
- Functional Electrical Stimulation Center, Case Western Reserve University, Cleveland, OH, United States
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Annu A, Paranna S, Patil AT, B S, Prakash A, Bhurke RR. Comparative evaluation of photobiomodulation therapy at 660 and 810 nm wavelengths on the soft tissue local anesthesia reversal in pediatric dentistry: an in-vivo study. J Dent Anesth Pain Med 2023; 23:229-236. [PMID: 37559668 PMCID: PMC10407450 DOI: 10.17245/jdapm.2023.23.4.229] [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: 05/02/2023] [Revised: 06/04/2023] [Accepted: 06/13/2023] [Indexed: 08/11/2023] Open
Abstract
BACKGROUND Local anesthesia has been reliably used to control pain during dental procedures and is important in pediatric dentistry. However, children occasionally complain of prolonged numbness after dental treatment, leading to several problems. Studies conducted to reverse the effect of local anesthesia using phentolamine mesylate and photobiomodulation therapy (PBM) are encouraging but limited. PBM is a type of light therapy that utilizes visible and near-infrared non-ionizing electromagnetic spectral light sources. Hence, this study used this modality to compare the reversal of local anesthesia at two different wavelengths. This study compared the effect of PBM at 660 and 810 nm wavelengths on the reversal of soft tissue local anesthesia using a diode LASER in pediatric dentistry. METHOD Informed consent and assent were obtained, and the participants were then divided randomly into three groups of 20 children each: control group-without LASER irradiation, LASER irradiation at 660 nm, and LASER irradiation at 810 nm. Sixty children aged 4-8 years with deciduous mandibular molars indicated for pulp therapy were administered an inferior alveolar nerve block. After 45 min of injection, a duration that was similar to the approximate duration of treatment, they were exposed to 660- and 810-nm LASER irradiation according to their groups until reversal of local anesthesia was achieved. The control group did not undergo LASER irradiation. The reversal of the soft tissue local anesthetic effect was evaluated using palpation and pin prick tests every 15 min, and the LASER irradiation cycle continued until reversal of the soft tissue local anesthesia was achieved. RESULTS A significant reduction of 55.5 min (27.6%) in the mean soft tissue local anesthesia reversal time was observed after the application of 810 nm wavelength PBM and 69 min (34.7%) after 660 nm wavelength LASER irradiation. CONCLUSION PBM with a 660 nm wavelength was more effective in reducing the mean soft tissue local anesthesia reversal duration, and thus can be used as a reversal agent for soft tissue local anesthesia in pediatric dentistry.
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Affiliation(s)
- Ankita Annu
- Department of Pediatric & Preventive Dentistry, Bharati Vidyapeeth Dental College & Hospital, Bharati Vidyapeeth (Deemed to be) University, Sangli, Maharashtra, India
| | - Sujatha Paranna
- Department of Pediatric & Preventive Dentistry, Bharati Vidyapeeth Dental College & Hospital, Bharati Vidyapeeth (Deemed to be) University, Sangli, Maharashtra, India
| | - Anil T Patil
- Department of Pediatric & Preventive Dentistry, Bharati Vidyapeeth Dental College & Hospital, Bharati Vidyapeeth (Deemed to be) University, Sangli, Maharashtra, India
| | - Sandhyarani B
- Department of Pediatric & Preventive Dentistry, Bharati Vidyapeeth Dental College & Hospital, Bharati Vidyapeeth (Deemed to be) University, Sangli, Maharashtra, India
| | - Adhithi Prakash
- Department of Pediatric & Preventive Dentistry, Bharati Vidyapeeth Dental College & Hospital, Bharati Vidyapeeth (Deemed to be) University, Sangli, Maharashtra, India
| | - Renuka Rajesh Bhurke
- Department of Pediatric & Preventive Dentistry, Bharati Vidyapeeth Dental College & Hospital, Bharati Vidyapeeth (Deemed to be) University, Sangli, Maharashtra, India
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Hauck M, Schardong J, Donini G, Normann TC, Plentz RDM. Effects of photobiomodulation therapy (PBMT) over endothelial function in healthy individuals: a preliminary crossover clinical trial. Lasers Med Sci 2023; 38:104. [PMID: 37072603 DOI: 10.1007/s10103-023-03762-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 04/05/2023] [Indexed: 04/20/2023]
Abstract
Photobiomodulation therapy (PBMT) causes stimulatory effects that raise cell metabolism. The study aimed to evaluate the effects of PBMT on the endothelial function of healthy individuals. It was a controlled, randomized, crossover, triple-blind trial with 22 healthy volunteers (female: 77.3%), aged 25.45 years which were randomly divided into three groups. PBMT with gallium-aluminum-arsenide (GaAlAs) diode laser (810 nm, continuous-wave mode, 1000 mW, 0.28 cm2) was applied over the radial and ulnar artery regions in two parallel spots: group 1-30 J (n = 22, 107 J/cm2) per spot; group 2-60 J (n = 22, 214 J/cm2) per spot; and group 3-placebo (n = 22, sham). The endothelial function was measured before and immediately after PBMT by the flow-mediated dilation technique (%FMD) with high-resolution ultrasound. Statistical analysis was made with ANOVA for repeated measures, the effect size was measured by Cohen's d, and results are presented as mean and standard error (or 95% confidence intervals). A p-value < 0.05 was considered statistically significant. The %FMD increases 10.4% with 60 J (mean difference = 0.496 mm, 95% CI = 0.42 to 0.57, p < 0.001), 7.3% with 30 J (mean difference = 0.518 mm, 95% CI = 0.44 to 0.59, p < 0.001), and 4.7% with placebo (mean difference = 0.560 mm, 95% CI = 0.48 to 0.63, p < 0.001). We found a small effect size (p = 0.702; d de Cohen = 0.24) without statistical difference between interventions. PBMT with the energy density of 60 J and 30 J did not improve endothelial function.Trial registration number: NCT03252184 (01/09/2017).
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Affiliation(s)
- Melina Hauck
- Graduate Programm in Health Sciences, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Zip Code: 90050-170, Porto Alegre, Brazil.
- Graduate Programm in Rehabilitation Sciences of Universidade Federal de Santa Catarina (UFSC), Zip Code: 88.905-120, Araranguá, Brazil.
| | - Jociane Schardong
- Complexo Hospitalar Irmandade Santa Casa de Misericórdia de Porto Alegre, Porto Alegre, Zip Code: 90020-090, Brazil
| | - Gabriela Donini
- Graduate in Physiotherapy, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Zip Code: 90050-170, Brazil
| | - Tatiana Coser Normann
- Health Multidisciplinary Residency Programm in Urgency and Emergency, Hospital de Pronto Socorro de Porto Alegre (HPS), Porto Alegre, Zip Code: 90040-192, Brazil
| | - Rodrigo Della Méa Plentz
- Graduate Programm in Health Sciences, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Zip Code: 90050-170, Porto Alegre, Brazil
- Complexo Hospitalar Irmandade Santa Casa de Misericórdia de Porto Alegre, Porto Alegre, Zip Code: 90020-090, Brazil
- Physiotherapy Department, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Zip Code: 90050-170, Brazil
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García PN, Andrino RL. Feasibility and Safety of Using Combined Light-Emitting Diodes Versus Intense Pulsed Light Technology for the Improvement of Facial Hypervascularization in Adult Patients. Photobiomodul Photomed Laser Surg 2023; 41:64-72. [PMID: 36780573 DOI: 10.1089/photob.2022.0079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023] Open
Abstract
Background: Superficial facial vascular lesions can be an aesthetic problem and a symptom of different skin diseases. Objective: It was to compare the efficacy and safety profiles of Dermalux® Tri-Wave MD, based on three combined light-emitting diodes (LEDs) technology and intense pulsed light (IPL) for reducing the excess of facial vascularization due to superficial cutaneous vascular lesions. Materials and methods: The study had a single-center, proof-of-concept, open-label, and prospective design. Two groups of adult patients were treated for facial hypervascularization, LED-Group with an LED device combining 633 and 830 nm and IPL-Group with an IPL (555-950 and 530-750 nm). Variables assessed were hemoglobin hyperconcentration (HH), hemoglobin-affected area (HAA) through Antera 3D®, and pain using the Numeric Pain Rating Scale. Results: Twenty subjects were included, 10 by group (50% female). LED-Group: Mean age 32.1 years (range, 21-46). IPL-Group: Mean age 34.5 years (range, 25-49). HH: LED-Group 100% had a moderate improvement; in the IPL-Group, 10% was moderate, and 90% was marked. HAA: LED-Group 10% had a slight improvement, 70% moderate, and 20% marked; in the IPL-Group, 100%, the improvement was marked. Seventy percent of LED-Group patients reported no pain, 30% mild; in the IPL-Group, 100% of patients reported severe pain. Conclusions: Treatment with combined red and near-infrared LEDs effectively reduced the excess of facial vascularization with moderate outcomes compared with IPL, but without secondary effects and no pain. This treatment could represent an effective, safe, and well-tolerated approach for facial vascular lesions.
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Kashiwagi S, Morita A, Yokomizo S, Ogawa E, Komai E, Huang PL, Bragin DE, Atochin DN. Photobiomodulation and nitric oxide signaling. Nitric Oxide 2023; 130:58-68. [PMID: 36462596 PMCID: PMC9808891 DOI: 10.1016/j.niox.2022.11.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 11/05/2022] [Accepted: 11/27/2022] [Indexed: 12/05/2022]
Abstract
Nitric oxide (NO) is a well-known gaseous mediator that maintains vascular homeostasis. Extensive evidence supports that a hallmark of endothelial dysfunction, which leads to cardiovascular diseases, is endothelial NO deficiency. Thus, restoring endothelial NO represents a promising approach to treating cardiovascular complications. Despite many therapeutic agents having been shown to augment NO bioavailability under various pathological conditions, success in resulting clinical trials has remained elusive. There is solid evidence of diverse beneficial effects of the treatment with low-power near-infrared (NIR) light, defined as photobiomodulation (PBM). Although the precise mechanisms of action of PBM are still elusive, recent studies consistently report that PBM improves endothelial dysfunction via increasing bioavailable NO in a dose-dependent manner and open a feasible path to the use of PBM for treating cardiovascular diseases via augmenting NO bioavailability. In particular, the use of NIR light in the NIR-II window (1000-1700 nm) for PBM, which has reduced scattering and minimal tissue absorption with the largest penetration depth, is emerging as a promising therapy. In this review, we update recent findings on PBM and NO.
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Affiliation(s)
- Satoshi Kashiwagi
- Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital, 149 13th Street, Charlestown, MA, 02129, USA.
| | - Atsuyo Morita
- Cardiovascular Research Center, Department of Medicine, Massachusetts General Hospital, 149 13th Street, Charlestown, MA, 02129, USA
| | - Shinya Yokomizo
- Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital, 149 13th Street, Charlestown, MA, 02129, USA; Department of Radiological Science, Tokyo Metropolitan University, 7-2-10 Higashi-Ogu, Arakawa, Tokyo, 116-8551, Japan
| | - Emiyu Ogawa
- School of Allied Health Science, Kitasato University, 1-15-1 Kitasato Minami-ku Sagamihara, Kanagawa, Japan
| | - Eri Komai
- Cardiovascular Research Center, Department of Medicine, Massachusetts General Hospital, 149 13th Street, Charlestown, MA, 02129, USA
| | - Paul L Huang
- Cardiovascular Research Center, Department of Medicine, Massachusetts General Hospital, 149 13th Street, Charlestown, MA, 02129, USA
| | - Denis E Bragin
- Lovelace Biomedical Research Institute, 2425 Ridgecrest Dr. SE, Albuquerque, NM, 87108, USA; Department of Neurology, The University of New Mexico School of Medicine, MSC08 4720, 1 UNM, Albuquerque, NM, 87131, USA.
| | - Dmitriy N Atochin
- Cardiovascular Research Center, Department of Medicine, Massachusetts General Hospital, 149 13th Street, Charlestown, MA, 02129, USA.
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Keszler A, Lindemer B, Broeckel G, Weihrauch D, Gao Y, Lohr NL. In Vivo Characterization of a Red Light-Activated Vasodilation: A Photobiomodulation Study. Front Physiol 2022; 13:880158. [PMID: 35586710 PMCID: PMC9108481 DOI: 10.3389/fphys.2022.880158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 04/06/2022] [Indexed: 12/04/2022] Open
Abstract
Nitric oxide dependent vasodilation is an effective mechanism for restoring blood flow to ischemic tissues. Previously, we established an ex vivo murine model whereby red light (670 nm) facilitates vasodilation via an endothelium derived vasoactive species which contains a functional group that can be reduced to nitric oxide. In the present study we investigated this vasodilator in vivo by measuring blood flow with Laser Doppler Perfusion imaging in mice. The vasodilatory nitric oxide precursor was analyzed in plasma and muscle with triiodide-dependent chemiluminescence. First, a 5–10 min irradiation of a 3 cm2 area in the hind limb at 670 nm (50 mW/cm2) produced optimal vasodilation. The nitric oxide precursor in the irradiated quadriceps tissue decreased significantly from 123 ± 18 pmol/g tissue by both intensity and duration of light treatment to an average of 90 ± 17 pmol/g tissue, while stayed steady (137 ± 21 pmol/g tissue) in unexposed control hindlimb. Second, the blood flow remained elevated 30 min after termination of the light exposure. The nitric oxide precursor content significantly increased by 50% by irradiation then depleted in plasma, while remained stable in the hindlimb muscle. Third, to mimic human peripheral artery disease, an ameroid constrictor was inserted on the proximal femoral artery of mice and caused a significant reduction of flow. Repeated light treatment for 14 days achieved steady and significant increase of perfusion in the constricted limb. Our results strongly support 670 nm light can regulate dilation of conduit vessel by releasing a vasoactive nitric oxide precursor species and may offer a simple home-based therapy in the future to individuals with impaired blood flow in the leg.
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Affiliation(s)
- Agnes Keszler
- Departments of Medicine- Division of Cardiovascular Medicine, Milwaukee, WI, United States
- Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Brian Lindemer
- Departments of Medicine- Division of Cardiovascular Medicine, Milwaukee, WI, United States
- Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Grant Broeckel
- Departments of Medicine- Division of Cardiovascular Medicine, Milwaukee, WI, United States
- Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Dorothee Weihrauch
- Departments of Medicine- Division of Cardiovascular Medicine, Milwaukee, WI, United States
- Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI, United States
- Departments of Plastic Surgery, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Yan Gao
- Institute for Health and Equity- Division of Biostatistics, Milwaukee, WI, United States
| | - Nicole L. Lohr
- Departments of Medicine- Division of Cardiovascular Medicine, Milwaukee, WI, United States
- Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI, United States
- Clement J Zablocki VA Medical Center, Milwaukee, WI, United States
- *Correspondence: Nicole L. Lohr,
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Liu T, Schroeder H, Power GG, Blood AB. A physiologically relevant role for NO stored in vascular smooth muscle cells: A novel theory of vascular NO signaling. Redox Biol 2022; 53:102327. [PMID: 35605454 PMCID: PMC9126848 DOI: 10.1016/j.redox.2022.102327] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 04/16/2022] [Accepted: 04/29/2022] [Indexed: 01/16/2023] Open
Abstract
S-nitrosothiols (SNO), dinitrosyl iron complexes (DNIC), and nitroglycerine (NTG) dilate vessels via activation of soluble guanylyl cyclase (sGC) in vascular smooth muscle cells. Although these compounds are often considered to be nitric oxide (NO) donors, attempts to ascribe their vasodilatory activity to NO-donating properties have failed. Even more puzzling, many of these compounds have vasodilatory potency comparable to or even greater than that of NO itself, despite low membrane permeability. This raises the question: How do these NO adducts activate cytosolic sGC when their NO moiety is still outside the cell? In this review, we classify these compounds as ‘nitrodilators’, defined by their potent NO-mimetic vasoactivities despite not releasing requisite amounts of free NO. We propose that nitrodilators activate sGC via a preformed nitrodilator-activated NO store (NANOS) found within the vascular smooth muscle cell. We reinterpret vascular NO handling in the framework of this NANOS paradigm, and describe the knowledge gaps and perspectives of this novel model.
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Red Light Mitigates the Deteriorating Placental Extracellular Matrix in Late Onset of Preeclampsia and Improves the Trophoblast Behavior. J Pregnancy 2022; 2022:3922368. [PMID: 35494491 PMCID: PMC9045993 DOI: 10.1155/2022/3922368] [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: 11/08/2021] [Revised: 03/23/2022] [Accepted: 04/02/2022] [Indexed: 11/23/2022] Open
Abstract
Preeclampsia is a serious pregnancy disorder which in extreme cases may lead to maternal and fetal injury or death. Preexisting conditions which increase oxidative stress, e.g., hypertension and diabetes, increase the mother's risk to develop preeclampsia. Previously, we established that when the extracellular matrix is exposed to oxidative stress, trophoblast function is impaired, and this may lead to improper placentation. We investigated how the oxidative ECM present in preeclampsia alters the behavior of first trimester extravillous trophoblasts. We demonstrate elevated levels of advanced glycation end products (AGE) and lipid oxidation end product 4-hydroxynonenal in preeclamptic ECM (28%, and 32% increase vs control, respectively) accompanied with 35% and 82% more 3-chlorotyrosine and 3-nitrotyrosine vs control, respectively. Furthermore, we hypothesized that 670 nm phototherapy, which has antioxidant properties, reverses the observed trophoblast dysfunction as depicted in the improved migration and reduction in apoptosis. Since NO is critical for placentation, we examined eNOS activity in preeclamptic placentas compared to healthy ones and found no differences; however, 670 nm light treatment triggered enhanced NO availability presumably by using alternative NO sources. Light exposure decreased apoptosis and restored trophoblast migration to levels in trophoblasts cultured on preeclamptic ECM. Moreover, 670 nm irradiation restored expression of Transforming Growth Factor (TGFβ) and Placental Growth Factor (PLGF) to levels observed in trophoblasts cultured on healthy placental ECM. We conclude the application of 670 nm light can successfully mitigate the damaged placental microenvironment of late onset preeclampsia as depicted by the restored trophoblast behavior.
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Lee G, Jeon C, Mok JW, Shin S, Kim S, Han HH, Kim S, Hong SH, Kim H, Joo C, Sim J, Hahn SK. Smart Wireless Near-Infrared Light Emitting Contact Lens for the Treatment of Diabetic Retinopathy. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2103254. [PMID: 35092362 PMCID: PMC8948592 DOI: 10.1002/advs.202103254] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 12/30/2021] [Indexed: 05/04/2023]
Abstract
Diabetic retinopathy is currently treated by highly invasive repeated therapeutic injections and surgical interventions without complete vision recovery. Here, a noninvasive smart wireless far red/near-infrared (NIR) light emitting contact lens developed successfully for the repeated treatment of diabetic retinopathy with significantly improved compliance. A far red/NIR light emitting diode (LED) is connected with an application-specific integrated circuit chip, wireless power, and communication systems on a PET film, which is embedded in a silicone elastomer contact lens by thermal crosslinking. After in vitro characterization, it is confirmed that the retinal vascular hyper-permeability induced by diabetic retinopathy in rabbits is reduced to a statistically significant level by simply repeated wearing of smart far red/NIR LED contact lens for 8 weeks with 120 µW light irradiation for 15 min thrice a week. Histological analysis exhibits the safety and feasibility of LED contact lenses for treating diabetic retinopathy. This platform technology for smart LED contact lens would be harnessed for various biomedical photonic applications.
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Affiliation(s)
- Geon‐Hui Lee
- Department of Materials Science and EngineeringPohang University of Science and Technology (POSTECH)77 Cheongam‐ro, Nam‐guPohangGyeongbuk37673South Korea
| | - Cheonhoo Jeon
- Department of Electrical EngineeringPohang University of Science and Technology (POSTECH)77 Cheongam‐ro, Nam‐guPohangGyeongbuk37673South Korea
| | - Jee Won Mok
- Department of Ophthalmology and Visual ScienceSeoul St. Mary's HospitalCollege of MedicineThe Catholic University of Korea505, Banpo‐dongSeocho‐guSeoul06591South Korea
| | - Sangbaie Shin
- PHI BIOMED Co.168, Yeoksam‐roGangnam‐guSeoul06248South Korea
| | - Su‐Kyoung Kim
- Department of Materials Science and EngineeringPohang University of Science and Technology (POSTECH)77 Cheongam‐ro, Nam‐guPohangGyeongbuk37673South Korea
| | - Hye Hyeon Han
- Department of Materials Science and EngineeringPohang University of Science and Technology (POSTECH)77 Cheongam‐ro, Nam‐guPohangGyeongbuk37673South Korea
| | - Seong‐Jong Kim
- Department of Materials Science and EngineeringPohang University of Science and Technology (POSTECH)77 Cheongam‐ro, Nam‐guPohangGyeongbuk37673South Korea
| | - Sang Hoon Hong
- Department of Materials Science and EngineeringPohang University of Science and Technology (POSTECH)77 Cheongam‐ro, Nam‐guPohangGyeongbuk37673South Korea
| | - Hwanhee Kim
- PHI BIOMED Co.168, Yeoksam‐roGangnam‐guSeoul06248South Korea
| | - Choun‐Ki Joo
- Department of Ophthalmology and Visual ScienceSeoul St. Mary's HospitalCollege of MedicineThe Catholic University of Korea505, Banpo‐dongSeocho‐guSeoul06591South Korea
| | - Jae‐Yoon Sim
- Department of Electrical EngineeringPohang University of Science and Technology (POSTECH)77 Cheongam‐ro, Nam‐guPohangGyeongbuk37673South Korea
| | - Sei Kwang Hahn
- Department of Materials Science and EngineeringPohang University of Science and Technology (POSTECH)77 Cheongam‐ro, Nam‐guPohangGyeongbuk37673South Korea
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13
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Gebremendhin D, Lindemer B, Weihrauch D, Harder DR, Lohr NL. Electromagnetic energy (670 nm) stimulates vasodilation through activation of the large conductance potassium channel (BKCa). PLoS One 2021; 16:e0257896. [PMID: 34610026 PMCID: PMC8491904 DOI: 10.1371/journal.pone.0257896] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 09/13/2021] [Indexed: 11/18/2022] Open
Abstract
INTRODUCTION Peripheral artery disease (PAD) is a highly morbid condition in which impaired blood flow to the limbs leads to pain and tissue loss. Previously we identified 670 nm electromagnetic energy (R/NIR) to increase nitric oxide levels in cells and tissue. NO elicits relaxation of smooth muscle (SMC) by stimulating potassium efflux and membrane hyperpolarization. The actions of energy on ion channel activity have yet to be explored. Here we hypothesized R/NIR stimulates vasodilation through activation of potassium channels in SMC. METHODS Femoral arteries or facial arteries from C57Bl/6 and Slo1-/- mice were isolated, pressurized to 60 mmHg, pre-constricted with U46619, and irradiated twice with energy R/NIR (10 mW/cm2 for 5 min) with a 10 min dark period between irradiations. Single-channel K+ currents were recorded at room temperature from cell-attached and excised inside-out membrane patches of freshly isolated mouse femoral arterial muscle cells using the patch-clamp technique. RESULTS R/NIR stimulated vasodilation requires functional activation of the large conductance potassium channels. There is a voltage dependent outward current in SMC with light stimulation, which is due to increases in the open state probability of channel opening. R/NIR modulation of channel opening is eliminated pharmacologically (paxilline) and genetically (BKca α subunit knockout). There is no direct action of light to modulate channel activity as excised patches did not increase the open state probability of channel opening. CONCLUSION R/NIR vasodilation requires indirect activation of the BKca channel.
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Affiliation(s)
- Debebe Gebremendhin
- Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, United States of America
- Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI, United States of America
| | - Brian Lindemer
- Division of Cardiovascular Medicine, Department of Medicine, Medical College of Wisconsin, Milwaukee, WI, United States of America
- Clement J Zablocki VA Medical Center, Milwaukee, WI, United States of America
| | - Dorothee Weihrauch
- Department of Anesthesiology, Medical College of Wisconsin, Milwaukee, WI, United States of America
| | - David R. Harder
- Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, United States of America
- Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI, United States of America
- Clement J Zablocki VA Medical Center, Milwaukee, WI, United States of America
| | - Nicole L. Lohr
- Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, United States of America
- Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI, United States of America
- Division of Cardiovascular Medicine, Department of Medicine, Medical College of Wisconsin, Milwaukee, WI, United States of America
- Clement J Zablocki VA Medical Center, Milwaukee, WI, United States of America
- * E-mail:
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14
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Yoon H, Park S, Lim M. Dynamics of photodissociation of nitric oxide from S-nitrosylated cysteine and N-acetylated cysteine derivatives in water. Phys Chem Chem Phys 2021; 23:13512-13525. [PMID: 34124727 DOI: 10.1039/d1cp01743h] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Cysteine and N-acetylated cysteine derivatives are ubiquitous in biological systems; they have thiol groups that bind NO to form S-nitrosothiols (RSNOs) such as S-nitrosocysteine (CySNO), S-nitroso-N-acetylcysteine (NacSNO), and S-nitroso-N-acetylpenicillamine (NapSNO). Although they have been utilised as thermally or catalytically decomposing NO donors, their photochemical applications are yet to be fully explored owing to the lack of photodissociation dynamics. To this end, the photoexcitation dynamics of these RSNOs in water at 330 nm were investigated using femtosecond time-resolved infrared (TRIR) spectroscopy over a broad time range encompassing the entire reaction, which includes the primary reaction, secondary reactions of the reaction intermediates, and product formation. We discovered that the acetate and amide groups in these RSNOs have strong vibrational bands sensitive to the bondage of NO and the electronic state of the compound, which facilitates the identification of reaction intermediates involved in photoexcitation. The simplest thiol available with the acetate group-thioglycolic acid-was nitrosylated; it produced S-nitrosothioglycolic acid (TgSNO) and was comparatively investigated. Transient absorption bands in the TRIR spectra of the RSNOs were assigned using quantum chemical calculations. Photoexcited cysteine-related RSNOs either decompose into RS and NO within 0.3 ps after excitation at 330 nm with a primary quantum yield (Φ1) of 0.46-1 or relax into an electronically excited intermediate state lying at 42 ± 3 kcal mol-1 above the ground state, which relaxes into the ground state with a time constant of 460-520 ps. A majority (62-80%) of the RS radical geminately rebinds with NO at a time constant of 3-7 ps. The remaining RS reacts with the neighbouring RSNO, which produces additional NO and RSSR with a (nearly) diffusion-limited rate constant that doubles the amount of NO produced; further, it remarkably extends the time window for the dissociated NO to react with the target compound. The final fraction of NO produced from these RSNOs at 330 nm was 0.32-0.58, and it depends on the geminate rebinding yield and Φ1. The detailed dynamics of the photoexcited RSNO can be utilised in the quantitative application of these RSNOs in practical use and in the synthesis of more efficient photoactivated NO precursors.
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Affiliation(s)
- Hojeong Yoon
- Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan 46241, Korea
| | - Seongchul Park
- Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan 46241, Korea
| | - Manho Lim
- Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan 46241, Korea
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15
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Haze A, Gavish L, Elishoov O, Shorka D, Tsohar T, Gellman YN, Liebergall M. Treatment of diabetic foot ulcers in a frail population with severe co-morbidities using at-home photobiomodulation laser therapy: a double-blind, randomized, sham-controlled pilot clinical study. Lasers Med Sci 2021; 37:919-928. [PMID: 34052927 DOI: 10.1007/s10103-021-03335-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 05/03/2021] [Indexed: 12/11/2022]
Abstract
PURPOSE To evaluate the safety and efficacy of an at-home photobiomodulation (PBM) device for the treatment of diabetic foot ulcers (DFUs) in a frail population with severe comorbidities. METHODS Prospective, randomized, double-blind, sham-controlled pilot study. Patients (age = 63 ± 11 years, male:female 13:7) with insulin-dependent diabetes type 2, neuropathy, peripheral artery disease, significant co-morbidities, and large osteomyelitis-associated DFUs (University of Texas grade ≥ III) were randomized to receive active (n = 10) or sham (n = 10) at-home daily PBM treatments (pulsed near-infrared 808 nm Ga-Al-As laser, 250 mW, 8.8 J/cm2) for up to 12 weeks in addition to standard care. The primary outcome was the %wound size reduction. The secondary was adverse events. RESULTS With the numbers available, PBM-treated group had significantly greater %reduction compared to sham (area [cm2], baseline vs endpoint: PBM 10[20.3] cm2 vs 0.2[2.4] cm2; sham, 7.9 [12.0] cm2 vs 4.6 [13.8] cm2, p = 0.018 by Mann-Whitney U test). Wound closure > 90% occurred in 7 of 10 PBM-treated patients but in only 1 of 10 sham patients (p = 0.006). No adverse device effects were observed. CONCLUSIONS Photobiomodulation at home, in addition to standard care, may be effective for the treatment of severe DFUs in frail patients with co-morbidities and is particularly relevant at these times of social distancing. Our preliminary results justify the conduction of a larger clinical trial. ClinicalTrials.gov: NCT01493895.
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Affiliation(s)
- Amir Haze
- Orthopedic Department, Hadassah-Hebrew University Medical Center, POB 12000, 9112001, Jerusalem, Israel
| | - Lilach Gavish
- Institute for Research in Military Medicine (IRMM) of the Faculty of Medicine, The Hebrew University of Jerusalem, POB 12272, Jerusalem, 9112001, Israel.
| | - Ofer Elishoov
- Orthopedic Department, Hadassah-Hebrew University Medical Center, POB 12000, 9112001, Jerusalem, Israel
| | - Dorit Shorka
- Orthopedic Department, Hadassah-Hebrew University Medical Center, POB 12000, 9112001, Jerusalem, Israel
| | - Tamir Tsohar
- Orthopedic Department, Hadassah-Hebrew University Medical Center, POB 12000, 9112001, Jerusalem, Israel
| | - Yechiel N Gellman
- Orthopedic Department, Hadassah-Hebrew University Medical Center, POB 12000, 9112001, Jerusalem, Israel
| | - Meir Liebergall
- Orthopedic Department, Hadassah-Hebrew University Medical Center, POB 12000, 9112001, Jerusalem, Israel
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16
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Fuchs C, Schenk MS, Pham L, Cui L, Anderson RR, Tam J. Photobiomodulation Response From 660 nm is Different and More Durable Than That From 980 nm. Lasers Surg Med 2021; 53:1279-1293. [PMID: 33998008 DOI: 10.1002/lsm.23419] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 03/28/2021] [Accepted: 04/24/2021] [Indexed: 12/14/2022]
Abstract
BACKGROUND AND OBJECTIVES Photobiomodulation (PBM) therapy uses light at various wavelengths to stimulate wound healing, grow hair, relieve pain, and more-but there is no consensus about optimal wavelengths or dosimetry. PBM therapy works through putative, wavelength-dependent mechanisms including direct stimulation of mitochondrial respiration, and/or activation of transmembrane signaling channels by changes in water activity. A common wavelength used in the visible red spectrum is ~660 nm, whereas recently ~980 nm is being explored and both have been proposed to work via different mechanisms. We aimed to gain more insight into identifying treatment parameters and the putative mechanisms involved. STUDY DESIGN/MATERIALS AND METHODS Fluence-response curves were measured in cultured keratinocytes and fibroblasts exposed to 660 or 980 nm from LED sources. Metabolic activity was assessed using the MTT assay for reductases. ATP production, a major event triggered by PBM therapy, was assessed using a luminescence assay. To measure the role of mitochondria, we used an ELISA to measure COX-1 and SDH-A protein levels. The respective contributions of cytochrome c oxidase and ATP synthase to the PBM effects were gauged using specific inhibitors. RESULTS Keratinocytes and fibroblasts responded differently to exposures at 660 nm (red) and 980 nm (NIR). Although 980 nm required much lower fluence for cell stimulation, the resulting increase in ATP levels was short-term, whereas 660 nm stimulation elevated ATP levels for at least 24 hours. COX-1 protein levels were increased following 660 nm treatment but were unaffected by 980 nm. In fibroblasts, SDH-A levels were affected by both wavelengths, whereas in keratinocytes only 660 nm light impacted SDH-A levels. Inhibition of ATP synthase nearly completely abolished the effects of both wavelengths on ATP synthesis. Interestingly, inhibiting cytochrome c oxidase did not prevent the rise in ATP levels in response to PBM treatment. CONCLUSION To the best of our knowledge, this is the first demonstration of differing kinetics in response to PBM therapy at red versus NIR wavelength. We also found cell-type-specific differences in PBM therapy response to the two wavelengths studied. These findings confirm that different response pathways are involved after 660 and 980 nm exposures and suggest that 660 nm causes a more durable response. © 2021 Wiley Periodicals LLC.
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Affiliation(s)
- Christiane Fuchs
- Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, Massachusetts, 02114.,Department of Dermatology, Harvard Medical School, Boston, Massachusetts, 02115
| | - Merle Sophie Schenk
- Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, Massachusetts, 02114
| | - Linh Pham
- Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, Massachusetts, 02114
| | - Lian Cui
- Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, Massachusetts, 02114
| | - Richard Rox Anderson
- Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, Massachusetts, 02114.,Department of Dermatology, Harvard Medical School, Boston, Massachusetts, 02115
| | - Joshua Tam
- Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, Massachusetts, 02114.,Department of Dermatology, Harvard Medical School, Boston, Massachusetts, 02115
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Weihrauch D, Keszler A, Lindemer B, Krolikowski J, Lohr NL. Red light stimulates vasodilation through extracellular vesicle trafficking. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2021; 220:112212. [PMID: 34049180 DOI: 10.1016/j.jphotobiol.2021.112212] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 03/01/2021] [Accepted: 05/10/2021] [Indexed: 12/21/2022]
Abstract
Red light (670 nm) promotes ex vivo dilation of blood vessels in a nitric oxide (NO) dependent, but eNOS independent manner by secreting a quasi-stable and transferable vasoactive substance with the characteristics of S-nitrosothiols (RSNO) from the endothelium. In the present work we establish that 670 nm light mediated vasodilation occurs in vivo and is physiologically stable. Light exposure depletes intracellular S-nitroso protein while concomitantly increasing extracellular RNSO, suggesting vesicular pathways are involved. Furthermore, we demonstrate this RSNO vasodilator is embedded in extracellular vesicles (EV). The action of red light on vesicular trafficking appears to increase expression of endosome associated membrane protein CD63 in bovine aortic endothelial cells, enhance endosome localization in the endothelium, and induce exit of RSNO containing EVs from murine facialis arteries. We suggest a mechanism by which the concerted actions of 670 nm light initiate formation of RSNO containing EVs which exit the endothelium and trigger relaxation of smooth muscle cells.
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Affiliation(s)
| | - Agnes Keszler
- Department of Medicine, Division of Cardiovascular Medicine, Medical College of Wisconsin, USA.
| | - Brian Lindemer
- Department of Medicine, Division of Cardiovascular Medicine, Medical College of Wisconsin, USA.
| | - John Krolikowski
- Department of Anesthesiology, Medical College of Wisconsin, USA.
| | - Nicole L Lohr
- Department of Medicine, Division of Cardiovascular Medicine, Medical College of Wisconsin, USA; Cardiovascular Center, Medical College of Wisconsin, USA; Clement J Zablocki VA Medical Center, USA.
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18
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Hamushan M, Cai W, Lou T, Cheng P, Zhang Y, Tan M, Chai Y, Zhang F, Lineaweaver WC, Han P, Ju J. Postconditioning With Red-Blue Light Therapy Improves Survival of Random Skin Flaps in a Rat Model. Ann Plast Surg 2021; 86:582-587. [PMID: 32756256 DOI: 10.1097/sap.0000000000002501] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Random skin flap ischemic necrosis is a serious challenge in reconstructive surgery. Photobiomodulation is a noninvasive effective technique to improve microcirculation and neovascularization. Photobiomodulation with red or blue light has been separately proven to partially prevent skin flap necrosis, but the synergistic effect of red and blue light not been elucidated. Our experiment evaluated the impact of postconditioning with red-blue light therapy on the viability of random flaps. METHODS Thirty Sprague-Dawley male rats (male, 12 weeks) with a cranially based random pattern skin flap (3 × 8 cm) were divided into 3 groups: control group, red light group, and red-blue light group. On postoperative day 7, flap survival was observed and recorded using transparent graph paper, flaps were obtained and stained with hematoxylin and eosin, and microvessel density was measured. Micro-computed tomography was used to measure vascular volume and vascular length. On days 0, 3, and 7 after surgery, blood flow was measured by laser Doppler. To investigate the underlying mechanisms, the amount of nitric oxide (NO) metabolites in the flap tissue was assessed on days 3, 5, and 7 after surgery. RESULTS The mean percentage of skin flap survival was 59 ± 10% for the control group, 69 ± 7% for the red light group, and 79 ± 9% for the red-blue light group (P < 0.01). The microvessel density was 12.3 ± 1.2/mm2 for the control group, 31.3 ± 1.3/mm2 for the red light group, and 36.5 ± 1.4/mm2 for the red-blue light group (P < 0.01). Both vascular volume and total length in the red-blue light group showed significantly increased compared with the red light and control group (P < 0.01). Blood flow in the red-blue light treated flap showed significantly increased at postsurgery days 3 and 7 compared with the red light and control group (P < 0.01). The level of the NO metabolites was significantly increased in flap tissues belonging to the red-blue light group compared with the other 2 groups (P < 0.01). CONCLUSIONS This study showed that postconditioning with red-blue light therapy can enhance the survival of random skin flap by improving angiogenesis and NO releasing.
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Affiliation(s)
- Musha Hamushan
- From the Orthopaedic Department, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Weijie Cai
- From the Orthopaedic Department, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Tengfei Lou
- From the Orthopaedic Department, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Pengfei Cheng
- From the Orthopaedic Department, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Yubo Zhang
- From the Orthopaedic Department, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Moyan Tan
- College of Sciences, Shanghai Institute of Technology, Shanghai, China
| | - Yimin Chai
- From the Orthopaedic Department, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Feng Zhang
- Joseph M. Still Burn and Reconstructive Center Jackson, MS
| | | | - Pei Han
- From the Orthopaedic Department, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Jiaqi Ju
- College of Sciences, Shanghai Institute of Technology, Shanghai, China
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19
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Colombo E, Signore A, Aicardi S, Zekiy A, Utyuzh A, Benedicenti S, Amaroli A. Experimental and Clinical Applications of Red and Near-Infrared Photobiomodulation on Endothelial Dysfunction: A Review. Biomedicines 2021; 9:biomedicines9030274. [PMID: 33803396 PMCID: PMC7998572 DOI: 10.3390/biomedicines9030274] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 03/01/2021] [Accepted: 03/05/2021] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Under physiological conditions, endothelial cells are the main regulator of arterial tone homeostasis and vascular growth, sensing and transducing signals between tissue and blood. Disease risk factors can lead to their unbalanced homeostasis, known as endothelial dysfunction. Red and near-infrared light can interact with animal cells and modulate their metabolism upon interaction with mitochondria's cytochromes, which leads to increased oxygen consumption, ATP production and ROS, as well as to regulate NO release and intracellular Ca2+ concentration. This medical subject is known as photobiomodulation (PBM). We present a review of the literature on the in vitro and in vivo effects of PBM on endothelial dysfunction. METHODS A search strategy was developed consistent with the PRISMA statement. The PubMed, Scopus, Cochrane, and Scholar electronic databases were consulted to search for in vitro and in vivo studies. RESULTS Fifty out of >12,000 articles were selected. CONCLUSIONS The PBM can modulate endothelial dysfunction, improving inflammation, angiogenesis, and vasodilatation. Among the studies, 808 nm and 18 J (0.2 W, 2.05 cm2) intracoronary irradiation can prevent restenosis as well as 645 nm and 20 J (0.25 W, 2 cm2) can stimulate angiogenesis. PBM can also support hypertension cure. However, more extensive randomised controlled trials are necessary.
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Affiliation(s)
- Esteban Colombo
- Laser Therapy Centre, Department of Surgical and Diagnostic Sciences, University of Genoa, 16132 Genoa, Italy; (E.C.); (A.S.); (S.B.)
| | - Antonio Signore
- Laser Therapy Centre, Department of Surgical and Diagnostic Sciences, University of Genoa, 16132 Genoa, Italy; (E.C.); (A.S.); (S.B.)
- Department of Therapeutic Dentistry, Faculty of Dentistry, First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia
| | - Stefano Aicardi
- Department for the Earth, Environment and Life Sciences, University of Genoa, 16132 Genoa, Italy;
| | - Angelina Zekiy
- Department of Orthopaedic Dentistry, Faculty of Dentistry, First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia; (A.Z.); (A.U.)
| | - Anatoliy Utyuzh
- Department of Orthopaedic Dentistry, Faculty of Dentistry, First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia; (A.Z.); (A.U.)
| | - Stefano Benedicenti
- Laser Therapy Centre, Department of Surgical and Diagnostic Sciences, University of Genoa, 16132 Genoa, Italy; (E.C.); (A.S.); (S.B.)
| | - Andrea Amaroli
- Laser Therapy Centre, Department of Surgical and Diagnostic Sciences, University of Genoa, 16132 Genoa, Italy; (E.C.); (A.S.); (S.B.)
- Department of Orthopaedic Dentistry, Faculty of Dentistry, First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia; (A.Z.); (A.U.)
- Correspondence: ; Tel.: +39-010-3537309
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20
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Suhariningsih S, Astuti SD, Husen SA, Winarni D, Rahmawati DA, Mukti AT, Putra AP, Miftahussurur M. The combined effect of magnetic and electric fields using on/off infrared light on the blood sugar level and the diameter of Langerhans islets of diabetic mice. Vet World 2020; 13:2286-2293. [PMID: 33281368 PMCID: PMC7704297 DOI: 10.14202/vetworld.2020.2286-2293] [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: 05/31/2020] [Accepted: 09/16/2020] [Indexed: 11/16/2022] Open
Abstract
Background and Aim At present, diabetes is treated with oral antidiabetic medicines, such as sulfonylureas and thiazolidine, as well as insulin injection. However, these methods have several shortcomings. Therefore, alternatives for treating diabetes mellitus (DM) are needed. This study aims to determine the combined effect of magnetic and electric fields on blood sugar levels and the diameter of Langerhans islets of diabetic mice. Materials and Methods Induction of DM in mice was carried out by administering lard for 2 weeks and continued with an intraperitoneal injection of streptozotocin, dissolved in a 4.5 pH citrate buffer, and administered in a dose of 30 mg/kg bodyweight for 5 days. Treatments were used in combination with magnetic and electric fields using on/off infrared light. Blood samples were pipetted through the tip of mice's tails to establish the blood sugar level for each individual mouse. Histology preparation of the pancreas organ was affected using the histology standard as well as hematoxylin and eosin staining methods. Langerhans islet diameter data were analyzed using analysis of variance followed by Duncan's multiple range test. Data analysis was performed at ssssssss=0.05. Results The results showed that the combined treatment of permanent magnetic and unidirectional electric fields (PS) caused changes in blood sugar levels that were not significantly different from the normal control group. The PS treatment improved the diameter of the Langerhans islets but not to a significant degree compared to other treatments. Conclusion The use of PS treatment is effective for reducing the blood sugar levels of diabetic mice and improving the diameter of their Langerhans islets.
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Affiliation(s)
- S Suhariningsih
- Department of Physics, Faculty of Sciences and Technology, Universitas Airlangga, Surabaya 60115, Indonesia.,Biophysics and Medical Physics Research Group, Faculty of Sciences and Technology, Universitas Airlangga, Surabaya 60115, Indonesia
| | - Suryani Dyah Astuti
- Department of Physics, Faculty of Sciences and Technology, Universitas Airlangga, Surabaya 60115, Indonesia.,Biophysics and Medical Physics Research Group, Faculty of Sciences and Technology, Universitas Airlangga, Surabaya 60115, Indonesia
| | - Saikhu Akhmad Husen
- Department of Biology, Faculty of Science and Technology, Universitas Airlangga, Surabaya, 60115, Indonesia
| | - Dwi Winarni
- Department of Biology, Faculty of Science and Technology, Universitas Airlangga, Surabaya, 60115, Indonesia
| | - Dian Astri Rahmawati
- Department of Biology, Faculty of Science and Technology, Universitas Airlangga, Surabaya, 60115, Indonesia
| | - Akhmad Taufiq Mukti
- Department of Fish Health Management and Aquaculture, Faculty of Fisheries and Marine, Universitas Airlangga, Surabaya 60115, Indonesia
| | - Alfian Pramudita Putra
- Biomedical Engineering Study Program, Department of Physics, Faculty of Sciences and Technology, Universitas Airlangga, Surabaya 60115, Indonesia.,Biomedical Signals and Systems Research Group, Faculty of Sciences and Technology, Universitas Airlangga, Surabaya 60115, Indonesia
| | - Muhammad Miftahussurur
- Department of Internal Medicine, Division of Gastroentero-Hepatology, Faculty of Medicine, Institute of Tropical Diseases, Universitas Airlangga, Surabaya, Indonesia
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21
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Ieda N, Hotta Y, Yamauchi A, Nishikawa A, Sasamori T, Saitoh D, Kawaguchi M, Kimura K, Nakagawa H. Development of a Red-Light-Controllable Nitric Oxide Releaser to Control Smooth Muscle Relaxation in Vivo. ACS Chem Biol 2020; 15:2958-2965. [PMID: 33166443 DOI: 10.1021/acschembio.0c00601] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
We designed and synthesized a novel Si-rhodamine derivative, NORD-1, as a red-light-controllable nitric oxide (NO) releaser, on the basis of photoredox parameter analysis. Red-light-responsive NO release from NORD-1 was confirmed by ESR spin trapping and quantified with an NO electrode and by means of Griess assay. The NO release cross section (ε656 nm·ΦNO) of NORD-1 was calculated to be 3.65 × 102, which is larger than that of a previously reported yellowish-green-light-controllable NO releaser, NO-Rosa5. The photoresponsiveness of NO release from NORD-1 was precise and efficient enough to induce vasodilation ex vivo under Magnus test conditions. Finally, we showed that intracavernous pressure (ICP) could be controlled in rats in vivo with the combination of NORD-1 and a red-light source without increasing systemic blood pressure, which is a serious side effect of usual NO releasers, such as nitroglycerin and isopentyl nitrite. NORD-1 is expected to be a useful chemical tool for NO research, as well as a candidate agent to control the circulatory system.
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Affiliation(s)
- Naoya Ieda
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1, Tanabe-dori, Mizuho-ku, Nagoya, Aichi 467-8603, Japan
| | - Yuji Hotta
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1, Tanabe-dori, Mizuho-ku, Nagoya, Aichi 467-8603, Japan
| | - Ayaka Yamauchi
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1, Tanabe-dori, Mizuho-ku, Nagoya, Aichi 467-8603, Japan
| | - Atsushi Nishikawa
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1, Tanabe-dori, Mizuho-ku, Nagoya, Aichi 467-8603, Japan
| | - Takahiro Sasamori
- Graduate School of Natural Sciences, Nagoya City University, 1 Yamanohata, Mizuho-cho, Mizuho-ku, Nagoya, Aichi 467-8501, Japan
| | - Daisuke Saitoh
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1, Tanabe-dori, Mizuho-ku, Nagoya, Aichi 467-8603, Japan
| | - Mitsuyasu Kawaguchi
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1, Tanabe-dori, Mizuho-ku, Nagoya, Aichi 467-8603, Japan
| | - Kazunori Kimura
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1, Tanabe-dori, Mizuho-ku, Nagoya, Aichi 467-8603, Japan
| | - Hidehiko Nakagawa
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1, Tanabe-dori, Mizuho-ku, Nagoya, Aichi 467-8603, Japan
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22
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Yang F, Zhou X, Chen S, Li Q, Li R, Li C, Shi C, Zhu L. Combined carbon photon and hydrogel therapy mediates the synergistic repair of full-thickness skin wounds. J Int Med Res 2020; 48:300060520935326. [PMID: 32776863 PMCID: PMC7418267 DOI: 10.1177/0300060520935326] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 05/28/2020] [Indexed: 12/27/2022] Open
Abstract
OBJECTIVE This study investigated the synergistic repair effects of Prontosan hydrogel and carbon photon therapy in a rat full-thickness wound model. METHODS The wavelength distribution of the photon source was determined. Dehydration of the Prontosan hydrogel and fibroblast viability were analyzed following exposure to different durations of light exposure at different distances from the source. Indexes of wound healing in a full-thickness rat wound model were then determined in groups (n = 8 each) subjected to either no treatment, Prontosan treatment only, carbon photon therapy only, or a combination of the two treatments (synergistic group). RESULTS Carbon photon exposure for 15 minutes at a distance of 20 cm from the wound was found to be optimal. Wound healing occurred faster in the synergistic group compared with the control and single-treatment groups. Growth factor secretion, granulation tissue formation, inflammation regulation, collagen deposition, and neovascularization were all higher in the synergistic group. CONCLUSIONS Prontosan hydrogel combined with carbon photon therapy may provide an optimal environment for wound healing and serve as a novel physical approach to the treatment of wounds. However, the number of animals included in this study was relatively small and a larger study is required to confirm these findings.
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Affiliation(s)
- Fan Yang
- School of Nursing, Changchun University of Chinese Medicine, Changchun, P. R. China
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, P. R. China
- Orthopaedic Research Institute of Jilin Province, Changchun, P. R. China
| | - Xiuling Zhou
- School of Nursing, Changchun University of Chinese Medicine, Changchun, P. R. China
| | - Sitong Chen
- School of Nursing, Changchun University of Chinese Medicine, Changchun, P. R. China
| | - Qiuju Li
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, P. R. China
| | - Ronghang Li
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, P. R. China
| | - Chunying Li
- School of Nursing, Changchun University of Chinese Medicine, Changchun, P. R. China
| | - Chenyu Shi
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, P. R. China
- Orthopaedic Research Institute of Jilin Province, Changchun, P. R. China
| | - Lanyu Zhu
- School of Nursing, Changchun University of Chinese Medicine, Changchun, P. R. China
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23
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Gavish L, Hoffer O, Rabin N, Halak M, Shkilevich S, Shayovitz Y, Weizman G, Haim O, Gavish B, Gertz SD, Ovadia‐Blechman Z. Microcirculatory Response to Photobiomodulation—Why Some Respond and Others Do Not: A Randomized Controlled Study. Lasers Surg Med 2020; 52:863-872. [DOI: 10.1002/lsm.23225] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/01/2020] [Indexed: 12/18/2022]
Affiliation(s)
- Lilach Gavish
- The Institute for Research in Military Medicine (IRMM) Faculty of Medicine of The Hebrew University of Jerusalem and Israel Defense Forces Medical Corps Ein Kerem, POB 12272 Jerusalem 9112001 Israel
- Institute for Medical Research‐Israel‐Canada (IMRIC) Faculty of Medicine of The Hebrew University of Jerusalem Ein Kerem, POB 12272 Jerusalem 9112001 Israel
| | - Oshrit Hoffer
- School of Electrical Engineering Afeka Tel‐Aviv Academic College of Engineering 38 Mivtza Kadesh St. Tel‐Aviv 6910717 Israel
| | - Neta Rabin
- Unit of Mathematics Afeka Tel‐Aviv Academic College of Engineering 38 Mivtza Kadesh St. Tel‐Aviv 6910717 Israel
- Department of Industrial Engineering, The Iby and Aladar Fleischman Faculty of Engineering Tel‐Aviv University P.O.B 39040, Ramat Aviv Tel‐Aviv 6997801 Israel
| | - Moshe Halak
- Department of Vascular Surgery Sheba Medical Center Ramat‐Gan 5265601 Israel
| | - Simon Shkilevich
- School of Medical Engineering Afeka Tel‐Aviv Academic College of Engineering 8 Mivtza Kadesh St. Tel‐Aviv 6910717 Israel
| | - Yuval Shayovitz
- School of Medical Engineering Afeka Tel‐Aviv Academic College of Engineering 8 Mivtza Kadesh St. Tel‐Aviv 6910717 Israel
| | - Gal Weizman
- School of Medical Engineering Afeka Tel‐Aviv Academic College of Engineering 8 Mivtza Kadesh St. Tel‐Aviv 6910717 Israel
| | - Ortal Haim
- School of Electrical Engineering Afeka Tel‐Aviv Academic College of Engineering 38 Mivtza Kadesh St. Tel‐Aviv 6910717 Israel
| | | | - S. David Gertz
- The Institute for Research in Military Medicine (IRMM) Faculty of Medicine of The Hebrew University of Jerusalem and Israel Defense Forces Medical Corps Ein Kerem, POB 12272 Jerusalem 9112001 Israel
- Institute for Medical Research‐Israel‐Canada (IMRIC) Faculty of Medicine of The Hebrew University of Jerusalem Ein Kerem, POB 12272 Jerusalem 9112001 Israel
| | - Zehava Ovadia‐Blechman
- School of Medical Engineering Afeka Tel‐Aviv Academic College of Engineering 8 Mivtza Kadesh St. Tel‐Aviv 6910717 Israel
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24
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The effect of electric field, magnetic field, and infrared ray combination to reduce HOMA-IR index and GLUT 4 in diabetic model of Mus musculus. Lasers Med Sci 2019; 35:1315-1321. [PMID: 31741149 DOI: 10.1007/s10103-019-02916-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Accepted: 11/06/2019] [Indexed: 10/25/2022]
Abstract
Diabetes mellitus (DM) is a metabolic disorder characterized by high blood glucose level (hyperglycemia). Type 2 diabetes mellitus is mainly featured by low cell sensitivity towards insulin stimulation, caused by ectopic fat storage. Insulin resistance can be quantified from high number of HOMA-IR index and observed from glucose transporter 4 (GLUT-4) translocation on membrane of skeletal muscle cells. Combined treatment of electric field, magnetic field, and infrared ray have potential to reduce insulin resistance due to improving blood circulation and increasing intracellular Ca2+ level. The aim of study was to determine the effect of electric field, magnetic field, and infrared ray combination to lower insulin resistance in the type II diabetic model of Mus musculus. This study used 30 adult male mice strain BALB/c. Diabetes was induced using high-fat diet/streptozotocin method until random blood glucose level reached > 200 mg/dL. Diabetic mice were then exposed to electrical field (static and dynamic), magnetic field (static and induce), and infrared ray (with or without infrared ray) combination therapy 15 min daily for 28 days. Fasting blood glucose level, plasma insulin level, HOMA-IR index, and membrane GLUT-4 density after treatment were analyzed statistically at α = 0.05. Result showed that exposure combination of electrical field, magnetic field, and infrared were found to be able to lower fasting blood glucose level and HOMA-IR index significantly, but plasma insulin level and GLUT-4 density were not found to be significantly different compared to diabetic control. Based on current study result, the best combination for reducing insulin resistance in diabetic mice is BsEsI (combination of static magnetic field (Bs), static electric field (Es), with infrared (I)), indicated by lowest HOMA-IR compared to other groups. Exposure to combination of magnetic field, electrical field, and infrared resulted in lowering fasting blood glucose level and HOMA-IR index in diabetic mice, indicating reduced insulin resistance.
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25
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Buzinari TC, de Moraes TF, Cárnio EC, Lopes LA, Salgado HC, Rodrigues GJ. Photobiomodulation induces hypotensive effect in spontaneously hypertensive rats. Lasers Med Sci 2019; 35:567-572. [PMID: 31396793 DOI: 10.1007/s10103-019-02849-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Accepted: 07/17/2019] [Indexed: 10/26/2022]
Abstract
To evaluate whether acute photobiomodulation can elicit a hypotensive effect in spontaneously hypertensive rats (SHR). Male SHR were submitted to the implantation of a polyethylene cannula into the femoral artery. After 24 h, baseline measurements of the hemodynamic parameters: systolic, diastolic, and mean arterial pressure, and heart rate were accomplished for 1 h. Afterwards, laser application was simulated, and the hemodynamic parameters were recorded for 1 h. In the same animal, the laser was applied at six different positions of the rat's abdomen, and the hemodynamic parameters were also recorded until the end of the hypotensive effect. The irradiation parameters were red wavelength (660 nm); average optical power of 100 mW; 56 s per point (six points); spot area of 0.0586 cm2; and irradiance of 1.71 W/cm2 yielding to a fluency of 96 J/cm2 per point. For measuring plasma NO levels, blood was collected before the recording, as well as immediately after the end of the mediated hypotensive effect. Photobiomodulation therapy was able to reduce the systolic arterial pressure in 69% of the SHR submitted to the application, displaying a decrease in systolic, diastolic, and mean arterial pressure. No change in heart rate was observed. Nevertheless, there was an increase in serum nitric oxide levels in the SHR responsive to photobiomodulation. Our results suggest that acute irradiation with a red laser at 660 nm can elicit a hypotensive effect in SHR, probably by a mechanism involving the release of NO, without changing the heart rate.
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Affiliation(s)
- Tereza C Buzinari
- Departamento de Ciências Fisiológicas, Universidade Federal de São Carlos - UFSCar, Rod. Washington Luis, km 235, São Carlos, SP, CEP: 13565-905, Brazil. .,Department of Physiological Sciences, Federal University of São Carlos, São Carlos, SP, Brazil.
| | - Thiago F de Moraes
- Department of Physiological Sciences, Federal University of São Carlos, São Carlos, SP, Brazil
| | - Evelin C Cárnio
- Department of Nursing, General and Specialized, School of Nursing of Ribeirão Preto, University of São Paulo - USP, Ribeirão Preto, SP, Brazil
| | - Luciana A Lopes
- Nucleus of Research and Teaching of Phototherapy in Health Sciences - NUPEN, São Carlos, SP, Brazil
| | - Helio C Salgado
- Department of Physiology, Ribeirão Preto Medical School, University of São Paulo - USP, Ribeirão Preto, SP, Brazil
| | - Gerson J Rodrigues
- Department of Physiological Sciences, Federal University of São Carlos, São Carlos, SP, Brazil
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26
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Seraj B, Ghadimi S, Hakimiha N, Kharazifard MJ, Hosseini Z. Assessment of photobiomodulation therapy by an 8l0-nm diode laser on the reversal of soft tissue local anesthesia in pediatric dentistry: a preliminary randomized clinical trial. Lasers Med Sci 2019; 35:465-471. [PMID: 31376016 DOI: 10.1007/s10103-019-02850-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 07/20/2019] [Indexed: 11/24/2022]
Abstract
During the injection of local anesthesia in pediatric dental procedures, from the injection time until the elimination of tissue anesthesia, inevitable problems were reported. According to the encouraging results of previous studies addressing the positive effects of laser therapy on increasing the microcirculation, we aimed to investigate the clinical effect of photobiomodulation therapy on the reversal of soft tissue anesthesia in children. Using a split-mouth design, 34 children aged 4 to 8 years old, candidate for receiving local infiltration injection at both right and left side in mandible, were enrolled in the study. The mandibular right and left quadrants were randomly assigned to groups of laser or sham laser: in laser side, patients received 810-nm laser irradiation, and in the sham laser group, the patients had the laser in off mode at 45 min after injection with an interval of 7-10 days between two sessions of each quadrant treatments. The degree of anesthesia was evaluated using the palpation technique alternately every 15 min. Data were analyzed using paired sample t test and multiple linear regression test. The mean duration of anesthesia expressed in minutes was equal to 145.15 ± 23.27 and 188.82 ± 12.31 for the laser group and sham laser group, respectively. There was a significant difference in duration of anesthesia between two groups (P < 0.001). Considering the results and limitations of the present study, photobiomodulation therapy by 810-nm diode laser can be proposed as a non-invasive method in order to reduce the duration of anesthesia in pediatric patients.
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Affiliation(s)
- Bahman Seraj
- Dental Research Center, Department of Pediatric Dentistry, Tehran University of Medical Science, Tehran, Iran
| | - Sara Ghadimi
- Laser Research Center of Dentistry, Department of Pediatric Dentistry, Tehran University of Medical Sciences, Tehran, Iran
| | - Neda Hakimiha
- Laser Research Center of Dentistry, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Javad Kharazifard
- Dental Research Center, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Zahra Hosseini
- Department of Pediatric Dentistry, Tehran University of Medical Sciences, Tehran, Iran.
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27
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Wajih N, Basu S, Ucer KB, Rigal F, Shakya A, Rahbar E, Vachharajani V, Guthold M, Gladwin MT, Smith LM, Kim-Shapiro DB. Erythrocytic bioactivation of nitrite and its potentiation by far-red light. Redox Biol 2019; 20:442-450. [PMID: 30423533 PMCID: PMC6230921 DOI: 10.1016/j.redox.2018.11.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 10/28/2018] [Accepted: 11/01/2018] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Nitrite is reduced by heme-proteins and molybdenum-containing enzymes to form the important signaling molecule nitric oxide (NO), mediating NO signaling. Substantial evidence suggests that deoxygenated hemoglobin within red blood cells (RBCs) is the main erythrocytic protein responsible for mediating nitrite-dependent NO signaling. In other work, infrared and far red light have been shown to have therapeutic potential that some attribute to production of NO. Here we explore whether a combination of nitrite and far red light treatment has an additive effect in NO-dependent processes, and whether this effect is mediated by RBCs. METHODS AND RESULTS Using photoacoustic imaging in a rat model as a function of varying inspired oxygen, we found that far red light (660 nm, five min. exposure) and nitrite feeding (three weeks in drinking water at 100 mg/L) each separately increased tissue oxygenation and vessel diameter, and the combined treatment was additive. We also employed inhibition of human platelet activation measured by flow cytometry to assess RBC-dependent nitrite bioactivation and found that far red light dramatically potentiates platelet inhibition by nitrite. Blocking RBC-surface thiols abrogated these effects of nitrite and far-red light. RBC-dependent production of NO was also shown to be enhanced by far red light using a chemiluminescence-based nitric oxide analyzer. In addition, RBC-dependent bioactivation of nitrite led to prolonged lag times for clotting in platelet poor plasma that was enhanced by exposure to far red light. CONCLUSIONS Our results suggest that nitrite leads to the formation of a photolabile RBC surface thiol-bound species such as an S-nitrosothiol or heme-nitrosyl (NO-bound heme) for which far red light enhances NO signaling. These findings expand our understanding of RBC-mediated NO production from nitrite. This pathway of NO production may have therapeutic potential in several applications including thrombosis, and, thus, warrants further study.
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Affiliation(s)
- Nadeem Wajih
- Department of Physics,Translational Science Center, Wake Forest University, Winston-Salem, NC 27109, United States; Department of Biomedical Engineering, Wake Forest University School of Medicine, Winston-Salem, NC 27157, United States.
| | - Swati Basu
- Department of Physics,Translational Science Center, Wake Forest University, Winston-Salem, NC 27109, United States; Department of Biomedical Engineering, Wake Forest University School of Medicine, Winston-Salem, NC 27157, United States.
| | - Kamil B Ucer
- Department of Physics,Translational Science Center, Wake Forest University, Winston-Salem, NC 27109, United States.
| | - Fernando Rigal
- Department of Physics,Translational Science Center, Wake Forest University, Winston-Salem, NC 27109, United States; Department of Biomedical Engineering, Wake Forest University School of Medicine, Winston-Salem, NC 27157, United States.
| | - Aryatara Shakya
- Department of Physics,Translational Science Center, Wake Forest University, Winston-Salem, NC 27109, United States.
| | - Elaheh Rahbar
- Department of Biomedical Engineering, Wake Forest University School of Medicine, Winston-Salem, NC 27157, United States.
| | - Vidula Vachharajani
- Department of Biomedical Engineering, Wake Forest University School of Medicine, Winston-Salem, NC 27157, United States; Department of Anesthesiology, Wake Forest University School of Medicine, Winston-Salem, NC 27157, United States.
| | - Martin Guthold
- Department of Physics,Translational Science Center, Wake Forest University, Winston-Salem, NC 27109, United States; Department of Biomedical Engineering, Wake Forest University School of Medicine, Winston-Salem, NC 27157, United States.
| | - Mark T Gladwin
- Heart, Lung, Blood, and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA 15261, United States; Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA 15261, United States.
| | - Lane M Smith
- Department of Emergency Medicine, Wake Forest University School of Medicine, Winston-Salem, NC 27157, United States.
| | - Daniel B Kim-Shapiro
- Department of Physics,Translational Science Center, Wake Forest University, Winston-Salem, NC 27109, United States; Department of Biomedical Engineering, Wake Forest University School of Medicine, Winston-Salem, NC 27157, United States.
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28
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Keszler A, Lindemer B, Hogg N, Lohr NL. Ascorbate attenuates red light mediated vasodilation: Potential role of S-nitrosothiols. Redox Biol 2019; 20:13-18. [PMID: 30261342 PMCID: PMC6156744 DOI: 10.1016/j.redox.2018.09.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 09/05/2018] [Accepted: 09/08/2018] [Indexed: 12/11/2022] Open
Abstract
There is significant therapeutic advantage of nitric oxide synthase (NOS) independent nitric oxide (NO) production in maladies where endothelium, and thereby NOS, is dysfunctional. Electromagnetic radiation in the red and near infrared region has been shown to stimulate NOS-independent but NO-dependent vasodilation, and thereby has significant therapeutic potential. We have recently shown that red light induces acute vasodilatation in the pre-constricted murine facial artery via the release of an endothelium derived substance. In this study we have investigated the mechanism of vasodilatation and conclude that 670 nm light stimulates vasodilator release from an endothelial store, and that this vasodilator has the characteristics of an S-nitrosothiol (RSNO). This study shows that 670 nm irradiation can be used as a targeted and non-invasive means to release biologically relevant amounts of vasodilator from endothelial stores. This raises the possibility that these stores can be pharmacologically built-up in pathological situations to improve the efficacy of red light treatment. This strategy may overcome eNOS dysfunction in peripheral vascular pathologies for the improvement of vascular health.
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Key Words
- enos, endothelial nitric oxide synthase
- rsno, s-nitrosothiols
- r/nir, red and near infrared light
- gsno, s-nitrosoglutathione
- dnic, dinitrosyl iron complex
- gsh-dnic, glutathione dinitrosyl iron complexes
- proli/no, 1-(hydroxy-nno-azoxy)-l-proline
- cl, ozone-chemiluminescence signal
- dha, dehydroascorbate
- dtpa, diethylenetriamine pentaacetic acid
- nem, n-ethylmaleimide
- se, standard error
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Affiliation(s)
- Agnes Keszler
- Department of Medicine-Division of Cardiovascular Medicine, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, USA
| | - Brian Lindemer
- Department of Medicine-Division of Cardiovascular Medicine, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, USA
| | - Neil Hogg
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, USA; Department of Redox Biology Program, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, USA
| | - Nicole L Lohr
- Department of Medicine-Division of Cardiovascular Medicine, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, USA; Cardiovascular Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, USA; Clement J Zablocki VA Medical Center, 5000 W National Ave., Milwaukee, WI 53295, USA.
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Abstract
Photobiomodulation (PB) is a utilization of low-level laser therapy (LLLT) in the far red (R) to near infrared (NIR) spectrum (600-1000 nm) to wield its therapeutic effects. To explore the therapeutic potential of biomodulation of different tissues, LLLT has been extensively researched, especially in the light of its very low side effect profile. We believe there is an opportunity to unearth its dynamic effects on the coronaries which can be promising for the patients with chronic stable angina. NIR treatment of the heart may be protective on patients after acute myocardial infarction or on ischemic heart conditions that are not accessible to current revascularization procedures.
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Affiliation(s)
- Anandbir Singh Bath
- Resident, Department of Medicine, Western Michigan University Homer Stryker MD School of Medicine, Kalamazoo, MI, 49048, USA.
| | - Vishal Gupta
- Associate Clinical Professor, Department of Medicine, Western Michigan University Homer Stryker MD School of Medicine, Kalamazoo, MI, 49048, USA
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30
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Keszler A, Lindemer B, Hogg N, Weihrauch D, Lohr NL. Wavelength-dependence of vasodilation and NO release from S-nitrosothiols and dinitrosyl iron complexes by far red/near infrared light. Arch Biochem Biophys 2018; 649:47-52. [PMID: 29752896 DOI: 10.1016/j.abb.2018.05.006] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Revised: 04/20/2018] [Accepted: 05/08/2018] [Indexed: 11/28/2022]
Abstract
Far red/near infrared (R/NIR) energy is a novel therapy, but its mechanism of action is poorly characterized. Cytochrome c oxidase (Cco) of the mitochondrial electron transport chain is considered the primary photoacceptor for R/NIR to photolyze a putative heme nitrosyl in Cco to liberate free nitric oxide (NO). We previously observed R/NIR light directly liberates NO from nitrosylated hemoglobin and myoglobin, and recently suggested S-nitrosothiols (RSNO) and dinitrosyl iron complexes (DNIC) may be primary sources of R/NIR-mediated NO. Here we indicate R/NIR light exposure induces wavelength dependent dilation of murine facial artery, with longer wavelengths (740, and 830 nm) exhibiting reduced potency when compared to 670 nm. R/NIR also stimulated NO release from pure solutions of low molecular weight RSNO (GSNO and SNAP) and glutathione dinitrosyl iron complex (GSH-DNIC) in a power- and wavelength-dependent manner, with the greatest effect at 670 nm. NO release from SNAP using 670 was nearly ten-fold more than GSNO or GSH-DNIC, with no substantial difference in NO production at 740 nm and 830 nm. Thermal effects of irradiation on vasodilation or NO release from S-nitrosothiols and DNIC was minimal. Our results suggest 670 nm is the optimal wavelength for R/NIR treatment of certain vascular-related diseases.
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Affiliation(s)
- Agnes Keszler
- Department of Medicine- Division of Cardiovascular Medicine, United States.
| | - Brian Lindemer
- Department of Medicine- Division of Cardiovascular Medicine, United States.
| | - Neil Hogg
- Department of Biophysics, United States; Department of Redox Biology Program, United States.
| | | | - Nicole L Lohr
- Department of Medicine- Division of Cardiovascular Medicine, United States; Cardiovascular Center, Medical College of Wisconsin, United States; Clement J Zablocki VA Medical Center, United States.
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