1
|
Fortuna T, Dantas JB, Santana RC, Della Cella HR, de Jesus Campos E, Martins GB. Evaluation of the use of chamomile in isolation and in association with laser photobiomodulation in the healing of rats oral mucosa. Photochem Photobiol 2024; 100:1431-1445. [PMID: 38240454 DOI: 10.1111/php.13901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 12/19/2023] [Accepted: 12/20/2023] [Indexed: 09/25/2024]
Abstract
Laser photobiomodulation (LPBM) has been shown to be one of the possible modulating agents of inflammation. Similarly, medicinal plants, such as chamomile (Matricaria recutita) are also used with the same purpose. To evaluate tissue repair in the dorsum of the tongue of rats under topical use of chamomile alone and in association with LPBM. Seventy-five male Wistar rats received a standardized wound on the dorsum of the tongue and were allocated into experimental groups: Control (G1), Chamomile Fluid extract (G2), Chamomile Infusion (G3), Laser (G4), Chamomile Infusion + Laser (G5). Euthanasia was done on days 3, 7, and 14 after surgery. Ulcers were evaluated and measured with a caliper. Sections stained with hematoxylin and eosin and Picrosirius Red allowed evaluation of edema, inflammatory infiltrate, cellularity, and re-epithelialization and characterization of total collagen. Histomorphometric analysis of the percentage of total collagen, the distance from the basal layer to the epithelial surface, and the thickness of the stratum corneum were performed. The G2 and G4 groups modulated the exudative and proliferative phases of inflammation, both clinically and histologically. The G3 and G5 groups did not show significant differences in relation to the G1 group in most of the evaluated parameters. Chamomile fluid extract and LPBM alone showed better clinical and histological responses for tissue repair than the association between these therapeutic modalities. There were differences in the parameters of clinical, histological, and histomorphometric patterns between the experimental groups of the present investigation. The LPBM proved to be superior in the performed analysis.
Collapse
Affiliation(s)
- Tila Fortuna
- Interactive Processes of Organs and Systems, Institute of Health Sciences, Federal University of Bahia (ICS, UFBA), Salvador, Bahia, Brasil
- Bahiana School of Medicine and Public Health, Salvador, Bahia, Brasil
| | - Juliana Borges Dantas
- Interactive Processes of Organs and Systems, Institute of Health Sciences, Federal University of Bahia (ICS, UFBA), Salvador, Bahia, Brasil
- Bahia Adventist College, Salvador, Bahia, Brasil
| | - Rejane Conceição Santana
- Human Pathology from UFBA, Institute of Health Sciences at the Federal University of Bahia (ICS, UFBA), Salvador, Bahia, Brasil
| | - Hortência Resende Della Cella
- Interactive Processes of Organs and Systems. Institute of Health Sciences, Federal University of Bahia (ICS, UFBA), Salvador, Bahia, Brasil
| | - Elisângela de Jesus Campos
- Medicine and Health from UFBA, Institute of Health Sciences at the Federal University of Bahia (ICS, UFBA), Salvador, Bahia, Brasil
| | - Gabriela Botelho Martins
- Clinical Stomatology from PUCRS, Institute of Health Sciences at the Federal University of Bahia (ICS, UFBA), Salvador, Bahia, Brasil
| |
Collapse
|
2
|
Grenier A, Morissette MC, Rochette PJ, Pouliot R. The combination of cigarette smoke and solar rays causes effects similar to skin aging in a bilayer skin model. Sci Rep 2023; 13:17969. [PMID: 37863977 PMCID: PMC10589246 DOI: 10.1038/s41598-023-44868-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 10/12/2023] [Indexed: 10/22/2023] Open
Abstract
Skin aging is a multifactorial process influenced by internal and external factors. The contribution of different environmental factors has been well established individually in the last few years. On the one hand, man is rarely exposed to a single factor, and on the other hand, there is very little knowledge about how these extrinsic factors may interact with each other or even how the skin may react to chronic exposure. This study aimed to evaluate the effect on skin aging of a chronic co-exposure of tissue-engineered skin substitutes to cigarette smoke extract (CSE) and solar simulator light (SSL). Skin substitutes were reconstructed according to the self-assembly method and then exposed to CSE followed by irradiation with SSL simultaneously transmitting UVA1, visible light and infrared. When skin substitutes were chronically exposed to CSE and SSL, a significant decrease in procollagen I synthesis and the inhibition of Smad2 phosphorylation of the TGF-β signaling pathway were observed. A 6.7-fold increase in MMP-1 activity was also observed when CSE was combined with SSL, resulting in a decrease in collagen III and collagen IV protein expression. The secretory profile resulting from the toxic synergy was investigated and several alterations were observed, notably an increase in the quantities of pro-inflammatory cytokines. The results also revealed the activation of the ERK1/2 (3.4-fold) and JNK (3.3-fold) pathways. Taken together, the results showed that a synergy between the two environmental factors could provoke premature skin aging.
Collapse
Affiliation(s)
- Alexe Grenier
- Centre de Recherche en Organogénèse Expérimentale de l'Université Laval/LOEX, Axe Médecine Régénératrice, Centre de Recherche du CHU de Québec-Université Laval, Quebec City, QC, G1J 1Z4, Canada
- Faculté de Pharmacie, Université Laval, Quebec City, QC, G1V 0A6, Canada
| | - Mathieu C Morissette
- Québec Heart and Lung Institute-Université Laval, Quebec City, QC, G1V 4G5, Canada
- Département de Médecine, Faculté de Médecine, Université Laval, Quebec City, QC, G1V 0A6, Canada
| | - Patrick J Rochette
- Centre de Recherche en Organogénèse Expérimentale de l'Université Laval/LOEX, Axe Médecine Régénératrice, Centre de Recherche du CHU de Québec-Université Laval, Quebec City, QC, G1J 1Z4, Canada
- Département d'Ophtalmologie et ORL-Chirurgie Cervico-Faciale, Faculté de Médecine, Université Laval, Quebec City, QC, G1V 0A6, Canada
| | - Roxane Pouliot
- Centre de Recherche en Organogénèse Expérimentale de l'Université Laval/LOEX, Axe Médecine Régénératrice, Centre de Recherche du CHU de Québec-Université Laval, Quebec City, QC, G1J 1Z4, Canada.
- Faculté de Pharmacie, Université Laval, Quebec City, QC, G1V 0A6, Canada.
| |
Collapse
|
3
|
The antibacterial activity of photodynamic agents against multidrug resistant bacteria causing wound infection. Photodiagnosis Photodyn Ther 2022; 40:103066. [PMID: 35998880 DOI: 10.1016/j.pdpdt.2022.103066] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 08/04/2022] [Accepted: 08/12/2022] [Indexed: 12/14/2022]
Abstract
Antimicrobial photodynamic inactivation (aPDI) of multidrug-resistant (MDR) wound pathogens was evaluated with cationic porphyrin derivatives (CPDs). MDR bacterial strains including Pseudomonas aeruginosa, Escherichia coli, Acinetobacter baumannii, and Klebsiella pneumoniae were used. The CPDs named PM, PE, PN, and PL were synthesized as a photosensitizer (PS). A diode laser with a wavelength of 655 nm was used as a light source. aPDI of the combinations formed with different energy densities (50, 100, and 150 J/cm²) and PS concentrations (ranging from 3.125 to 600 µM) were evaluated on each bacterial strain. Dark toxicity, cytotoxicity, and phototoxicity were determined on fibroblast cells. In the aPDI groups, survival reductions of up to 5.80 log₁₀ for E. coli, 5.90 log₁₀ for P. aeruginosa, 6.11 log₁₀ for K. pneumoniae, and 6.78 log₁₀ for A. baumannii were obtained. The cytotoxic effect of PL and PM on fibroblast cells was very limited. PN was the type of CPD with the highest dark toxicity on fibroblast cells. In terms of providing broad-spectrum aPDI without or with very limited cytotoxic effect, the best result was observed in aPDI application with PL. The other CPDs need some modifications to show bacterial selectivity for use at 50 µM and above.
Collapse
|
4
|
Lyu K, Liu X, Jiang L, Chen Y, Lu J, Zhu B, Liu X, Li Y, Wang D, Li S. The Functions and Mechanisms of Low-Level Laser Therapy in Tendon Repair (Review). Front Physiol 2022; 13:808374. [PMID: 35242050 PMCID: PMC8886125 DOI: 10.3389/fphys.2022.808374] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 01/24/2022] [Indexed: 12/20/2022] Open
Abstract
Tendon injury is a common disease of the musculoskeletal system, accounting for roughly 30%–40% of sports system disorder injuries. In recent years, its incidence is increasing. Many studies have shown that low-level laser therapy (LLLT) has a significant effect on tendon repair by firstly activating cytochrome C oxidase and thus carrying out the photon absorption process, secondly acting in all the three phases of tendon repair, and finally improving tendon recovery. The repair mechanisms of LLLT are different in the three phases of tendon repair. In the inflammatory phase, LLLT mainly activates a large number of VEGF and promotes angiogenesis under hypoxia. During the proliferation phase, LLLT increases the amount of collagen type III by promoting the proliferation of fibroblasts. Throughout the remodeling phase, LLLT mainly activates M2 macrophages and downregulates inflammatory factors, thus reducing inflammatory responses. However, it should also be noted that in the final phase of tendon repair, the use of LLLT causes excessive upregulation of some growth factors, which will lead to tendon fibrosis. In summary, we need to further investigate the functions and mechanisms of LLLT in the treatment of tendon injury and to clarify the nature of LLLT for the treatment of diverse tendon injury diseases.
Collapse
Affiliation(s)
- Kexin Lyu
- Institute of Physical Education, Southwest Medical University, Luzhou, China
| | - Xueli Liu
- Institute of Physical Education, Southwest Medical University, Luzhou, China
| | - Li Jiang
- Institute of Physical Education, Southwest Medical University, Luzhou, China
| | - Yixuan Chen
- Institute of Physical Education, Southwest Medical University, Luzhou, China
| | - Jingwei Lu
- Institute of Physical Education, Southwest Medical University, Luzhou, China
| | - Bin Zhu
- Institute of Physical Education, Southwest Medical University, Luzhou, China
| | - Xinyue Liu
- Institute of Physical Education, Southwest Medical University, Luzhou, China
| | - Yujie Li
- Institute of Physical Education, Southwest Medical University, Luzhou, China
| | - Dingxuan Wang
- Institute of Physical Education, Southwest Medical University, Luzhou, China
| | - Sen Li
- Spinal Surgery Department, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| |
Collapse
|
5
|
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.
Collapse
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
| |
Collapse
|
6
|
Cios A, Ciepielak M, Szymański Ł, Lewicka A, Cierniak S, Stankiewicz W, Mendrycka M, Lewicki S. Effect of Different Wavelengths of Laser Irradiation on the Skin Cells. Int J Mol Sci 2021; 22:ijms22052437. [PMID: 33670977 PMCID: PMC7957604 DOI: 10.3390/ijms22052437] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 02/19/2021] [Accepted: 02/25/2021] [Indexed: 12/22/2022] Open
Abstract
The invention of systems enabling the emission of waves of a certain length and intensity has revolutionized many areas of life, including medicine. Currently, the use of devices emitting laser light is not only an indispensable but also a necessary element of many diagnostic procedures. It also contributed to the development of new techniques for the treatment of diseases that are difficult to heal. The use of lasers in industry and medicine may be associated with a higher incidence of excessive radiation exposure, which can lead to injury to the body. The most exposed to laser irradiation is the skin tissue. The low dose laser irradiation is currently used for the treatment of various skin diseases. Therefore appropriate knowledge of the effects of lasers irradiation on the dermal cells’ metabolism is necessary. Here we present current knowledge on the clinical and molecular effects of irradiation of different wavelengths of light (ultraviolet (UV), blue, green, red, and infrared (IR) on the dermal cells.
Collapse
Affiliation(s)
- Aleksandra Cios
- Department of Microwave Safety, Military Institute of Hygiene and Epidemiology, 04-141 Warsaw, Poland; (A.C.); (M.C.); (W.S.)
| | - Martyna Ciepielak
- Department of Microwave Safety, Military Institute of Hygiene and Epidemiology, 04-141 Warsaw, Poland; (A.C.); (M.C.); (W.S.)
| | - Łukasz Szymański
- Department of Molecular Biology, Institute of Genetics and Animal Biotechnology, Polish Academy of Science, Postępu 36A, 05-552 Magdalenka, Poland
- Correspondence:
| | - Aneta Lewicka
- Laboratory of Food and Nutrition Hygiene, Military Institute of Hygiene and Epidemiology, Kozielska 4, 01-163 Warsaw, Poland;
| | - Szczepan Cierniak
- Department of Patomorphology, Military Institute of Medicine, Szaserów 128, 04-141 Warsaw, Poland;
| | - Wanda Stankiewicz
- Department of Microwave Safety, Military Institute of Hygiene and Epidemiology, 04-141 Warsaw, Poland; (A.C.); (M.C.); (W.S.)
| | - Mariola Mendrycka
- Faculty of Medical Sciences and Health Sciences, Kazimierz Pulaski University of Technology and Humanities, 26-600 Radom, Poland;
| | - Sławomir Lewicki
- Department of Regenerative Medicine and Cell Biology, Military Institute of Hygiene and Epidemiology, 04-141 Warsaw, Poland;
| |
Collapse
|
7
|
Wang ZX, Kim SH. Effect of Photobiomodulation Therapy (660 nm) on Wound Healing of Rat Skin Infected by Staphylococcus. PHOTOBIOMODULATION PHOTOMEDICINE AND LASER SURGERY 2020; 38:419-424. [PMID: 32466696 DOI: 10.1089/photob.2019.4754] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Objective: To assess the impact of photobiomodulation (PBM) therapy on healing of infected wounds and document the microscopic findings throughout the recovery process. Background: Previous studies have suggested that PBM accelerates wound healing and reduces inflammation and pain. However, the ideal protocol and ultimate value of PBM treatment for infected wounds are controversial. Materials and methods: Eight-month-old male rats were randomly divided into the control group, the nonirradiation group, or the irradiation group. A 1 cm diameter skin excision was made. The wounds of the nonirradiated and irradiated rats were inoculated with a suspension of Staphylococcus aureus. We then performed 7 days of PBM therapy at a wavelength of 660 nm for 35 min/day. On day 8, the rats were sacrificed for histological assessment. Sections were stained with hematoxylin and eosin, Masson trichrome, and a proliferating cell nuclear antigen (PCNA) kit. Defect diameter was calculated using the Visus Image Analysis System. Results: The irradiated group had more epithelial cells and richer granulation tissue compared to those in the other groups. The irradiation group had a significantly smaller defect size than the nonirradiation group (p < 0.01) and the control group (p < 0.05). The amount of collagen was highest in the irradiation group and was graded as 3, 2, and 3+ in the control, nonirradiation, and irradiation groups, respectively. The percentage of PCNA in the control group was significantly lower than that in the other two groups (p < 0.05). Conclusions: PBM therapy (660 nm) promoted cell proliferation and collagen synthesis, thereby improving the wound healing response to an S. aureus infection.
Collapse
Affiliation(s)
- Zi-Xuan Wang
- Department of Interventional Radiology, Qingdao Municipal Hospital, Qingdao, Shandong, P.R. China
- Department of Surgery, School of Medicine, Chosun University, Gwangju, Korea
| | - Seong-Hwan Kim
- Department of Surgery, School of Medicine, Chosun University, Gwangju, Korea
| |
Collapse
|
8
|
Monteiro L, Ferreira R, Resende T, Pacheco JJ, Salazar F. Effectiveness of Photobiomodulation in Temporomandibular Disorder-Related Pain Using a 635 nm Diode Laser: A Randomized, Blinded, and Placebo-Controlled Clinical Trial. PHOTOBIOMODULATION PHOTOMEDICINE AND LASER SURGERY 2020; 38:280-288. [DOI: 10.1089/photob.2019.4730] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Luís Monteiro
- Oral Medicine and Oral Surgery Department, University Institute of Health Sciences, CESPU, Gandra, Portugal
- Cancer Research Group—IINFACTS, University Institute of Health Sciences, CESPU, Gandra, Portugal
- Oral Laser Applications Unit, University Institute of Health Sciences, CESPU, Gandra, Portugal
| | - Raquel Ferreira
- Cancer Research Group—IINFACTS, University Institute of Health Sciences, CESPU, Gandra, Portugal
| | - Tiago Resende
- Oral Medicine and Oral Surgery Department, University Institute of Health Sciences, CESPU, Gandra, Portugal
- Oral Laser Applications Unit, University Institute of Health Sciences, CESPU, Gandra, Portugal
| | - José Júlio Pacheco
- Oral Medicine and Oral Surgery Department, University Institute of Health Sciences, CESPU, Gandra, Portugal
- Oral Diseases Group—IINFACTS, University Institute of Health Sciences, CESPU, Gandra, Portugal
| | - Filomena Salazar
- Oral Medicine and Oral Surgery Department, University Institute of Health Sciences, CESPU, Gandra, Portugal
- Oral Diseases Group—IINFACTS, University Institute of Health Sciences, CESPU, Gandra, Portugal
| |
Collapse
|
9
|
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
| |
Collapse
|
10
|
Moreira SH, Pazzini JM, Álvarez JLG, Cassino PC, Bustamante CC, Bernardes FJL, Kajiura CY, De Nardi AB. Evaluation of angiogenesis, inflammation, and healing on irradiated skin graft with low-level laser therapy in rats (Rattus norvegicus albinus wistar). Lasers Med Sci 2020; 35:1103-1109. [PMID: 32062713 DOI: 10.1007/s10103-019-02917-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2019] [Accepted: 11/06/2019] [Indexed: 11/30/2022]
Abstract
The reconstructive techniques have been widely used in Veterinary Medicine. The post-operative adjuvants therapies like the low-level laser therapy (LLLT) are used to decrease inherent complications to reconstructive surgeries. This article purposed to define the LLLT effects on the healing, inflammation, and vascularization of the skin grafts in applicable time intervals to veterinary surgical routine. Forty rats (Rattus norvegicus albinus wistar) were used and each one was submitted to autogenous cutaneous mesh grafting in the interescapular region. The rats were randomly distributed in five groups (G1, G2, G3, G4, and G5) in accordance with the 6 J/cm2 or 10 J/cm2 dose every 3 or 5 days. These treatments were applied on the skin graft for 15 days. The histochemical evaluation with Picrosirius showed greater expression of collagen type 1 - red in grafts of G5 (p < 0.05), while in G1 did not; the expression of collagen type III - green was not induced by LLLT. The histochemical evaluation with hematoxylin-eosin showed greater numbers of fibroblasts in grafts of G4 (p < 0.05) and less hemorrhage in grafts of G5 (p < 0.05). There was modulation of the inflammatory response in irradiated skin grafts. It is concluded the exhibition of the skin grafts to 6 J/cm2 or 10 J/cm2 dose every 5 days improved the healing and the modulation of the local inflammation.
Collapse
Affiliation(s)
- Stella H Moreira
- Departamento de Clínica e Cirurgia Veterinária, Universidade Estadual Paulista, Jaboticabal, São Paulo, Brasil. .,Departamento de Clínica e Cirurgia Veterinária, Faculdade de Ciências Agrárias e Veterinárias, Universidade Estadual Paulista, Via de acesso Professor Paulo Donato Castellane, s/n, Jaboticabal, São Paulo, CEP 14884-900, Brazil.
| | - Josiane M Pazzini
- Centro de Pesquisa em Oncologia Molecular, Hospital do Câncer de Barretos, Barretos, São Paulo, Brasil
| | - Jorge L G Álvarez
- Departamento de Clínica e Cirurgia Veterinária, Universidade Estadual Paulista, Jaboticabal, São Paulo, Brasil
| | - Pedro C Cassino
- Departamento de Clínica e Cirurgia Veterinária, Universidade Estadual Paulista, Jaboticabal, São Paulo, Brasil
| | - Caio C Bustamante
- Departamento de Clínica e Cirurgia Veterinária, Universidade Estadual Paulista, Jaboticabal, São Paulo, Brasil
| | - Filippo J L Bernardes
- Departamento de Clínica e Cirurgia Veterinária, Universidade Estadual Paulista, Jaboticabal, São Paulo, Brasil
| | - Caroline Y Kajiura
- Departamento de Clínica e Cirurgia Veterinária, Universidade Estadual Paulista, Jaboticabal, São Paulo, Brasil
| | - Andrigo B De Nardi
- Departamento de Clínica e Cirurgia Veterinária, Universidade Estadual Paulista, Jaboticabal, São Paulo, Brasil
| |
Collapse
|
11
|
Gonzalez AC, Santos ET, Freire TFC, Sá MF, Andrade ZDA, Medrado ARAP. Participation of the Immune System and Hedgehog Signaling in Neoangiogenesis Under Laser Photobiomodulation. J Lasers Med Sci 2019; 10:310-316. [PMID: 31875124 DOI: 10.15171/jlms.2019.50] [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] [Indexed: 11/09/2022]
Abstract
Introduction: This study aimed to characterize immune and endothelial cells, myofibroblasts and pericytes, and positive cells for hedgehog proteins in late tissue repair of rats skin wounds treated with 670 nm photobiomodulation therapy (PBMT). Methods: A blind experimental study was conducted, in order to assess the effect of PBMT in later stages of healing, with emphasis on neoangiogenesis, immune cells and Hedgehog signaling. Forty Wistar rats were allocated randomly in two groups; control and treated with a diode GaAlAs laser (9 mW, 670 nm, 0.031 W/cm2, spot size of 0.28 cm2, fluence of 4 J/ cm2 applied every other day, until a total dose of 16 J/cm2 was achieved). Standardized skin wounds were performed and the animals were euthanized at 14, 21, 28 and 35 days. Tissue sections were subjected to hematoxylin-eosin and immunohistochemistry for CD31, NG2, smooth muscle alpha actin, CD8, CD68, Ptch, Gli-2 and Ihh. All histomorphometric data were statistically analyzed and significance level was at P<0.05. Results: At late stages of wound healing, neoangiogenesis persisted as revealed for the number of CD31+ cells (P = 0.016) and NG2+ and smooth muscle alpha actin positive pericytes (P = 0.025), for both experimental groups. By day 21, laser-treated group had decreased CD68+ cells (P = 0.032) and increased CD8+ (P = 0.038). At remodeling stage, there were positive cells for the hedgehog signaling pathway family which seemed to be activated. Conclusion: These data suggest that photobiomodulation therapy was able to modulate extracellular matrix remodelling even at the later stages of wound healing.
Collapse
Affiliation(s)
| | | | | | - Maíra Ferreira Sá
- Basic Sciences Department, Bahiana School of Medicine and Public Health, Salvador, Bahia, Brazil
| | - Zilton de A Andrade
- Experimental Pathology Laboratory of Gonçalo Moniz Research Center - FIOCRUZ, Salvador, Bahia, Brazil
| | - Alena R A P Medrado
- Basic Sciences Department, Bahiana School of Medicine and Public Health, Salvador, Bahia, Brazil
| |
Collapse
|
12
|
Cunha JLS, Carvalho FMDAD, Pereira Filho RN, Ribeiro MAG, de Albuquerque-Júnior RLC. Effects of Different Protocols of Low-Level Laser Therapy on Collagen Deposition in Wound Healing. Braz Dent J 2019; 30:317-324. [PMID: 31340220 DOI: 10.1590/0103-6440201902400] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Accepted: 01/15/2019] [Indexed: 12/20/2022] Open
Abstract
The low-level laser has proven successful in stimulating the production of collagen in wound healing assays. However, diversity has been observed in the protocols used. This work has evaluated the effects of three protocols of low-level laser therapy (LLLT) in the healing of open wounds in rats. Standard-sized wounds of 1 cm2 were performed with a scalpel in the middorsal region of 60 male Wistar rats weighing 225±25 g, and they were assigned into four groups (n=15): CTR (non-irradiated animals), LT1 (20 J/cm2 daily), LT2 (16 J/cm2 daily) and LT3 (20 J/cm2 daily). After 7, 14 and 21 days, five animals/day were euthanized and the wounds analyzed histologically. Data were subjected to normality analysis of distribution using Shapiro-Wilk test. Gaussian data were analyzed using ANOVA and Bonferroni tests whereas non-Gaussian data were analyzed using Kruskal-Wallis and Dunn tests, considering significant p values less than 0.05. The LLLT in all protocols reduced the inflammation and collagen deposition increased significantly (p<0.05). However, LT2 showed the highest levels of collagen in all phases of the study (p<0.05) induced faster replacement of immature collagen III by mature collagen I in the early stages of repair and early collagen remodeling promoted by providing better organization architectural beams deposited. It was concluded that all protocols induced an increase in collagen scar. However, the protocol 2 (16 J /cm2, daily application) promoted the most significant increases in collagen deposition, accelerated maturation of collagen and showed the best architecture of the final fibrous scarring.
Collapse
Affiliation(s)
- John Lennon Silva Cunha
- Laboratory of Morphology and Experimental Pathology, UNIT - Universidade Tiradentes, Aracaju, SE, Brazil
| | | | - Rose Nely Pereira Filho
- Laboratory of Morphology and Experimental Pathology, UNIT - Universidade Tiradentes, Aracaju, SE, Brazil
| | | | | |
Collapse
|
13
|
Overview on the Evolution of Laser Welding of Vascular and Nervous Tissues. APPLIED SCIENCES-BASEL 2019. [DOI: 10.3390/app9102157] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Laser welding presents a core position in the health sector. This process has had an outstanding impact on the surgical procedures from many medical areas, such as on vascular and nervous surgeries. The aim of the present research is to present an overview on the evolution of laser welding of vascular and nervous tissues. These surgeries present many advantages, such as an absence of foreign-body reactions and aneurysms and good tensile strengths. However, despite the sutureless nature of the process, complementary sutures have been applied to support the procedure success. An important concern in vascular and nervous laser welding is the thermal damage. The development of temperature-controlled feedback systems has reduced this concern with a very precise control of the laser parameters. The bonding strength of vascular and nerve laser welds can be enhanced with the application of solder solutions, bonding materials, and laser-activated dyes. Alternative techniques to laser welding, such as photochemical tissue bonding and electrosurgical high-frequency technologies, have also been tested for vascular and nervous repairs.
Collapse
|
14
|
de Cara SPHM, Origassa CST, de Sá Silva F, Moreira MSNA, de Almeida DC, Pedroni ACF, Carvalho GL, Cury DP, Câmara NOS, Marques MM. Angiogenic properties of dental pulp stem cells conditioned medium on endothelial cells in vitro and in rodent orthotopic dental pulp regeneration. Heliyon 2019; 5:e01560. [PMID: 31183428 PMCID: PMC6488540 DOI: 10.1016/j.heliyon.2019.e01560] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2018] [Revised: 02/18/2019] [Accepted: 04/18/2019] [Indexed: 12/15/2022] Open
Abstract
Objectives To evaluate the effect of SHED-CM on the proliferation, differentiation, migration ability, cell death, gene expression and production of VEGF of HUVEC in vitro and in a rodent orthotopic dental pulp regeneration. Methods Three culture media [M199, DMEM/Ham's F12 and DMEM/Ham's F12 conditioned by SHEDs] were used as experimental groups. SHED-CM was prepared maintaining confluent cells in culture without serum for 3 days. The proliferation and cell death marker of HUVECs were assessed using flow cytometry. The capacity of formation of vascular-like structures was analyzed in cells grown over Matrigel® in hypoxic condition. HUVECs migration was followed using the scratch test. VEGF-A expression in HUVECs was assessed using real time RT-qPCR; and VEGF synthesis with ELISA test. SHED-CM was also applied in rodent ortotopic model of dental pulp regeneration in rats. The formed tissue was submitted to histological and immunohistochemical analyses. Results SHED-CM promoted significantly lower expression of 7AAD in HUVECs; whereas the expression of the Ki67 was similar in all groups. The vascular-like structures were observed in all groups. Migration of SHED-CM group was faster than DMEM/Ham's F12. SHED-CM induced similar expression of VEGF-A than M199, and higher than DMEM/Ham's F12. SHED-CM induced significantly higher VEGF synthesis than other media. SHED-CM induced formation of a vascularized connective tissue inside the root canal. Conclusion The study showed that SHEDs release angiogenic and cytoprotective factors, which are of great importance for tissue engineering. Clinical significance SHED-CM could be an option to the use of stem cells in tissue engineering.
Collapse
Affiliation(s)
| | | | - Fernando de Sá Silva
- Institute of Life Sciences, Universidade Federal de Juiz de Fora (UFJF), Governador Valadares, MG, Brazil
| | | | - Danilo Candido de Almeida
- Departamento de Medicina, Divisão de Nefrologia, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | - Ana Clara Fagundes Pedroni
- Department of Restorative Dentistry and Endodontics, School of Dentistry, University of Sao Paulo (USP), Sao Paulo, SP, Brazil
| | - Giovanna Lopes Carvalho
- Department of Restorative Dentistry and Endodontics, School of Dentistry, University of Sao Paulo (USP), Sao Paulo, SP, Brazil
| | | | - Niels Olsen Saraiva Câmara
- Departamento de Medicina, Divisão de Nefrologia, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | - Márcia Martins Marques
- Department of Restorative Dentistry and Endodontics, School of Dentistry, University of Sao Paulo (USP), Sao Paulo, SP, Brazil
| |
Collapse
|
15
|
Magri AMP, Fernandes KR, Kido HW, Fernandes GS, Fermino SDS, Gabbai-Armelin PR, Braga FJC, de Góes CP, Prado JLDS, Granito RN, Rennó ACM. Photobiomodulation guided healing in a sub-critical bone defect in calvarias of rats. Laser Ther 2019; 28:171-179. [PMID: 32009730 DOI: 10.5978/islsm.28_19-or-13] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2019] [Accepted: 06/05/2019] [Indexed: 12/11/2022]
Abstract
Background Photobiomodulation presents stimulatory effects on tissue metabolism, constituting a promising strategy to produce bone tissue healing. Objective the aim of the present study was to investigate the in vivo performance of PBM using an experimental model of cranial bone defect in rats. Material and Methods rats were distributed in 2 different groups (control group and PBM group). After the surgical procedure to induce cranial bone defects, PBM treatment initiated using a 808 nm laser (100 mW, 30 J/cm2, 3 times/week). After 2 and 6 weeks, animals were euthanized and the samples were retrieved for the histopathological, histomorphometric, picrosirius red staining and immunohistochemistry analysis. Results Histology analysis demonstrated that for PBM most of the bone defect was filled with newly formed bone (with a more mature aspect when compared to CG). Histomorphomeric analysis also demonstrated a higher amount of newly formed bone deposition in the irradiated animals, 2 weeks post-surgery. Furthermore, there was a more intense deposition of collagen for PBM, with ticker fibers. Results from Runx-2 immunohistochemistry demonstrated that a higher immunostaining for CG 2 week's post-surgery and no other difference was observed for Rank-L immunostaining. Conclusion This current study concluded that the use of PBM was effective in stimulating newly formed bone and collagen fiber deposition in the sub-critical bone defect, being a promising strategy for bone tissue engineering.
Collapse
Affiliation(s)
- Angela Maria Paiva Magri
- Federal University of São Paulo (UNIFESP). Rua Silva Jardim, 136, Santos, SP, 11015020, Brazil.,University Center of the Guaxupé Educational Foundation (UNIFEG), Avenida Dona Floriana, 463, Guaxupé, MG, 37800000, Brazil
| | | | - Hueliton Wilian Kido
- Federal University of São Paulo (UNIFESP). Rua Silva Jardim, 136, Santos, SP, 11015020, Brazil
| | | | | | | | | | - Cintia Pereira de Góes
- Federal University of São Paulo (UNIFESP). Rua Silva Jardim, 136, Santos, SP, 11015020, Brazil
| | | | - Renata Neves Granito
- Federal University of São Paulo (UNIFESP). Rua Silva Jardim, 136, Santos, SP, 11015020, Brazil
| | - Ana Claudia Muniz Rennó
- Federal University of São Paulo (UNIFESP). Rua Silva Jardim, 136, Santos, SP, 11015020, Brazil
| |
Collapse
|
16
|
P R GA, H M C, D F S, M A C, A M P M, K R F, A C M R. Association of Bioglass/Collagen/Magnesium composites and low level irradiation: effects on bone healing in a model of tibial defect in rats. Laser Ther 2018; 27:271-282. [PMID: 31182902 DOI: 10.5978/islsm.27_18-or-25] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Accepted: 08/27/2018] [Indexed: 12/17/2022]
Abstract
Background and Aims Bioglass (BG) and Magnesium (Mg) composites have been used for bone tissue engineering proposes due to its osteogenic activity and increased mechanical properties respectively. The introduction of Collagen (Col) is a common and efficient approach for bone tissue engineering applications toward cell proliferation. Recently, studies demonstrated that BG/Col/Mg composites presented proper mechanical properties and were non-cytotoxic. Although the osteogenic potential of BG/Col/Mg composites, in specific situations, biomaterials may not be capable of stimulating bone tissue. Therefore, combining biomaterial matrices and effective post-operative therapies (such as low level lasertherapy; LLLT) may be necessary to appropriately stimulate bone tissue. In this context, the aim of this study was to develop intra- and extra-operatively bone regenerative therapeutical strategies, based on the association of Col-enriched BG/Mg composites with LLLT. Materials and Methods Thereby, an in vivo study, using tibial defect in Wistar rats, was performed in order to investigate the bone regenerative capacity. LLLT treatment (Ga-Al-As laser 808 nm, 30 mW, 2.8 J, 94 s) was performed 3 times a week, in non-consecutive days. Histology, histomorphometry, immunohistochemical analysis and mechanical test were done after 15 and 45 days post-implantation. Results The results showed that Col could be successfully introduced into BG/Mg and the association of BG/Mg/Col and LLLT constituted an optimized treatment for accelerating material degradation and increasing bone deposition. Additionally, mechanical tests showed an increased maximal load for BG/Mg + LLLT compared to other groups. Conclusions These results lead us to conclude that the Col enriched BG/Mg composites irradiated with LLLT presented superior biological and mechanical properties, demonstrating to be a promising bone graft.
Collapse
Affiliation(s)
- Gabbai-Armelin P R
- Laboratory of Biomaterials and Tissue Engineering, Department of Biosciences, Federal University of Sao Paulo (UNIFESP)
| | - Caliari H M
- Laboratory of Biomaterials and Tissue Engineering, Department of Biosciences, Federal University of Sao Paulo (UNIFESP)
| | - Silva D F
- Laboratory of Biomaterials and Tissue Engineering, Department of Biosciences, Federal University of Sao Paulo (UNIFESP)
| | - Cruz M A
- Laboratory of Biomaterials and Tissue Engineering, Department of Biosciences, Federal University of Sao Paulo (UNIFESP)
| | - Magri A M P
- Laboratory of Biomaterials and Tissue Engineering, Department of Biosciences, Federal University of Sao Paulo (UNIFESP)
| | - Fernandes K R
- Laboratory of Biomaterials and Tissue Engineering, Department of Biosciences, Federal University of Sao Paulo (UNIFESP)
| | - Renno A C M
- Laboratory of Biomaterials and Tissue Engineering, Department of Biosciences, Federal University of Sao Paulo (UNIFESP)
| |
Collapse
|
17
|
Fortuna T, Gonzalez AC, Sá MF, Andrade ZDA, Reis SRA, Medrado ARAP. Effect of 670 nm laser photobiomodulation on vascular density and fibroplasia in late stages of tissue repair. Int Wound J 2017; 15:274-282. [PMID: 29239111 DOI: 10.1111/iwj.12861] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Revised: 10/11/2017] [Accepted: 10/11/2017] [Indexed: 12/15/2022] Open
Abstract
This study aimed to investigate the effects of gallium-aluminum-arsenium (GaAlAs) (670 nm) laser therapy on neoangiogenesis and fibroplasia during tissue remodelling. Forty male Wistar rats underwent cutaneous surgery and were divided into 2 experimental groups: the Control and Laser group (9 mW, 670 nm, 0.031 W/cm2 , 4 J/cm2 ). After 14, 21, 28, and 35 days, the animals were euthanised. Descriptive and quantitative analyses were performed in sections stained with haematoxylin-eosin and Sirius Red, respectively. The amounts of VEGF+ and CD31+ cells were evaluated by immunohistochemistry and histomorphometric analysis, respectively. Statistical analysis was performed using the Mann-Whitney, Friedman, and Spearman correlation test, P < 0.05. The collagen expression was significantly higher in the laser group compared with the control group on days 14 and 21 after the creation of the skin wound (P = 0.008; P = 0.016) and in the control group between 14 and 28 and 14 and 35 days (P = 0.001; P = 0.007). There were more blood vessels in three periods of the study only in the (Laser) treated group, with statistical significance at day 14 (P = 0.016). There was no statistically significant difference in VEGF+ cell count in the different experimental groups throughout the study, although a positive correlation was shown with the area of collagen on days 14 and 28 (P = 0.037). Laser treatment had a positive effect in the late course of healing, particularly with regards to collagen expression and the number of newly formed vessels. VEGF+ cells were present in both experimental groups, and VEGF appeared to influence fibroplasia in the treated group.
Collapse
Affiliation(s)
- Tila Fortuna
- Basic Science Department, Bahiana School of Medicine and Public Health, Salvador, Bahia, Brazil
| | - Ana Cristina Gonzalez
- Experimental Pathology Laboratory, Gonçalo Moniz Research Center, FIOCRUZ, Salvador, Bahia, Brazil
| | - Maíra F Sá
- Basic Science Department, Bahiana School of Medicine and Public Health, Salvador, Bahia, Brazil
| | - Zilton de A Andrade
- Experimental Pathology Laboratory, Gonçalo Moniz Research Center, FIOCRUZ, Salvador, Bahia, Brazil
| | - Sílvia R A Reis
- Bahiana School of Medicine and Public Health, Salvador, Bahia, Brazil
| | | |
Collapse
|