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Hoh Kam J, Mitrofanis J. Does photobiomodulation require glucose to work effectively? Neural Regen Res 2024; 19:945-946. [PMID: 37862181 PMCID: PMC10749625 DOI: 10.4103/1673-5374.385290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 06/14/2023] [Accepted: 07/21/2023] [Indexed: 10/22/2023] Open
Affiliation(s)
- Jaimie Hoh Kam
- Université Grenoble Alpes, Fonds de Dotation Clinatec, Grenoble, France
| | - John Mitrofanis
- Université Grenoble Alpes, Fonds de Dotation Clinatec, Grenoble, France
- University College London, Institute of Ophthalmology, UK
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Perrier Q, Moro C, Lablanche S. Diabetes in spotlight: current knowledge and perspectives of photobiomodulation utilization. Front Endocrinol (Lausanne) 2024; 15:1303638. [PMID: 38567306 PMCID: PMC10985212 DOI: 10.3389/fendo.2024.1303638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 02/26/2024] [Indexed: 04/04/2024] Open
Abstract
Introduction Diabetes is a global health concern characterized by chronic hyperglycemia resulting from insulinopenia and/or insulin resistance. The rising prevalence of diabetes and its associated complications (ulcers, periodontitis, healing of bone defect, neuropathy, retinopathy, cardiopathy and nephropathy) necessitate innovative therapeutic approaches. Photobiomodulation (PBM), involves exposing tissues and cells to low-energy light radiation, leading to biological effects, largely via mitochondrial activation. Methods This review evaluates preclinical and clinical studies exploring the potential of PBM in diabetes and its complications, as well all clinical trials, both planned and completed, available on ClinicalTrials database. Results This review highlights the variability in PBM parameters across studies, hindering consensus on optimal protocols. Standardization of treatment parameters and rigorous clinical trials are needed to unlock PBM's full therapeutic potential. 87 clinical trials were identified that investigated PBM in diabetes mellitus (with 5,837 patients planned to be treated with PBM). Clinical trials assessing PBM effects on diabetic neuropathy revealed pain reduction and potential quality of life improvement. Studies focusing on wound healing indicated encouraging results, with PBM enhancing angiogenesis, fibroblast proliferation, and collagen density. PBM's impact on diabetic retinopathy remains inconclusive however, requiring further investigation. In glycemic control, PBM exhibits positive effects on metabolic parameters, including glucose tolerance and insulin resistance. Conclusion Clinical studies have reported PBM-induced reductions in fasting and postprandial glycemia without an increased hypoglycemic risk. This impact of PBM may be related to its effects on the beta cells and islets in the pancreas. Notwithstanding challenges, PBM emerges as a promising adjunctive therapy for managing diabetic neuropathy, wound healing, and glycemic control. Further investigation into its impact on diabetic retinopathy and muscle recovery is warranted.
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Affiliation(s)
- Quentin Perrier
- Univ. Grenoble Alpes, INSERM U1055, Pharmacy Department, Grenoble Alpes University Hospital, Laboratory of Fundamental and Applied Bioenergetics, Grenoble, France
| | - Cécile Moro
- Univ. Grenoble Alpes, CEA-Leti, Clinatec, Grenoble, France
| | - Sandrine Lablanche
- Univ. Grenoble Alpes, INSERM U1055, Diabetology and Endocrinology Department, Grenoble Alpes University Hospital, Laboratory of Fundamental and Applied Bioenergetics, Grenoble, France
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Pandolfo IL, Bonifacio M, Benfato ID, de Almeida Cruz M, Nagaoka MR, Carvalho CPDF, de Oliveira CAM, Renno ACM. Photobiomodulation in diabetic rats: Effects on morphological, pancreatic parameters, and glucose homeostasis. JOURNAL OF BIOPHOTONICS 2023; 16:e202300182. [PMID: 37528614 DOI: 10.1002/jbio.202300182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 07/11/2023] [Accepted: 07/31/2023] [Indexed: 08/03/2023]
Abstract
Photobiomodulation (PBM) has therapeutic effects on wound healing, diabetic microangiopathy, and retinopathy. However, little is known about the use of PBM for the treatment of diabetes mellitus (DM). In this context, we aimed to evaluate the effects of PBM on pancreas morphology and insulin and glucose tolerance in an experimental model of DM. Thus, DM was induced by streptozotocin (STZ) (60 mg/kg). Subsequently, the rats were treated with PBM (808 nm and 30 J/cm2 ). After euthanasia, morphometric parameters and immunoreactivity for insulin and 8-OHdG were evaluated in the pancreas. The results showed that treated animals had higher values of body mass and higher values in the number of beta cells in the pancreas. In conclusion, PBM resulted in decreased weight loss in STZ-induced diabetic rats and presented a stimulatory effect on the pancreas of the treated animals, highlighting the promising effects of this therapy in the clinical condition of DM.
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Affiliation(s)
- Isabella Liba Pandolfo
- Department of Biosciences, Institute of Health and Society, Federal University of São Paulo (UNIFESP), Santos, Brazil
| | - Mirian Bonifacio
- Department of Biosciences, Institute of Health and Society, Federal University of São Paulo (UNIFESP), Santos, Brazil
| | - Izabelle Dias Benfato
- Department of Biosciences, Institute of Health and Society, Federal University of São Paulo (UNIFESP), Santos, Brazil
| | - Matheus de Almeida Cruz
- Department of Biosciences, Institute of Health and Society, Federal University of São Paulo (UNIFESP), Santos, Brazil
| | - Márcia Regina Nagaoka
- Department of Biosciences, Institute of Health and Society, Federal University of São Paulo (UNIFESP), Santos, Brazil
| | | | | | - Ana Cláudia Muniz Renno
- Department of Biosciences, Institute of Health and Society, Federal University of São Paulo (UNIFESP), Santos, Brazil
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Scontri CMCB, de Castro Magalhães F, Damiani APM, Hamblin MR, Zamunér AR, Ferraresi C. Dose and time-response effect of photobiomodulation therapy on glycemic control in type 2 diabetic patients combined or not with hypoglycemic medicine: A randomized, crossover, double-blind, sham-controlled trial. JOURNAL OF BIOPHOTONICS 2023; 16:e202300083. [PMID: 37171054 PMCID: PMC10662441 DOI: 10.1002/jbio.202300083] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Revised: 04/21/2023] [Accepted: 05/09/2023] [Indexed: 05/13/2023]
Abstract
Photobiomodulation therapy (PBMt) combined or not with oral hypoglycemic medication has not been investigated in type 2 diabetes (T2DM) patients. All 10 T2DM patients were assessed randomly at 6 different occasions (3 with and 3 without regular oral hypoglycemic medication). Capillary glycemia was assessed after overnight fast (pre-prandial), 1 h postprandially (standardized meal, 338 kcal), and 30 min, 3 h, 6 h, 12 h post-PBMt (830 nm; 25 arrays of LEDs, 80 mW/array). Three doses (0 J-sham, 100 J, 240 J per site) were applied bilaterally on quadriceps femoris muscles, hamstrings, triceps surae, ventral upper arm and forearm; and randomly combined or not with oral hypoglicemic medication, totaling six different therapies applied for all 10 TDM2 patients (PBMt sham, PBMt 100 J, PBMt 240 J, PBMt sham + medication, PBMt 100 J + medication, PBMt 240 J + medication). Cardiac autonomic control was assessed by heart rate variability (HRV) indices. Without medication, there was reduction in glycemia after all PBMt doses, with 100 J as the best dose that persisted until 12 h and presented lower area under the curve (AUC). With medication, glycemia decreased similarly among doses. No differences between 100 J and sham + medication, but AUC was significantly lower after 100 J, suggesting better glycemic control. Low frequency component of HRV increased after sham + medication and 100 J, suggesting higher sympathetic activation. PBMt showed time- and dose-response effect to reduce glycemia in T2DM patients. Effects on HRV were consistent with glycemic control.
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Affiliation(s)
| | - Flávio de Castro Magalhães
- Department of Physical Education, Federal University of the Jequitinhonha and Mucuri Valleys, Campus JK - Diamantina, MG – Brazil
| | | | - Michael R. Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein 2028 – South Africa
| | - Antonio Roberto Zamunér
- Laboratory of Clinical Research in Kinesiology, Department of Kinesiology, Universidad Católica del Maule, Talca 34809112 – Chile
| | - Cleber Ferraresi
- Department of Physical Therapy, Federal University of Sao Carlos, Sao Carlos, SP – Brazil
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Pope NJ, Denton ML. Differential effects of 808-nm light on electron transport chain enzymes in isolated mitochondria: Implications for photobiomodulation initiation. Mitochondrion 2023; 68:15-24. [PMID: 36371074 DOI: 10.1016/j.mito.2022.11.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 10/06/2022] [Accepted: 11/04/2022] [Indexed: 11/10/2022]
Abstract
Photobiomodulation is a term for using low-power red to near-infrared light to stimulate a variety of positive biological effects. Though the scientific and clinical acceptance of PBM as a therapeutic intervention has increased dramatically in recent years, the molecular underpinnings of the effect remain poorly understood. The putative chromophore for PBM effects is cytochrome c oxidase. It is postulated that light absorption at cytochrome c oxidase initiates a signaling cascade involving ATP and generation of reactive oxygen species (ROS), which subsequently results in improved cellular robustness. However, this hypothesis is largely based on inference and indirect evidence, and the precise molecular mechanisms that govern how photon absorption leads to these downstream effects remain poorly understood. We conducted low-power PBM-type light exposures of isolated mitochondria to 808 nm NIR light, at a number of irradiances. NIR exposure was found to enhance the activity of complex IV, depress the activity of complex III, and had no effect on the activity of complex II. Further, examining the dose-response of complex IV we found NIR enhancement did not exhibit irradiance reciprocity, indicating the effect on complex IV may not have direct photochemical basis. In summary, this research presents a novel method to interrogate the earliest stages of PBM in the mitochondria, and a unique window into the corresponding molecular mechanism(s) of induction.
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Affiliation(s)
| | - Michael L Denton
- Air Force Research Laboratory, Bioeffects Division, JBSA Fort Sam Houston, TX 78234, United States.
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Min SH, Kwon J, Do EJ, Kim SH, Kim ES, Jeong JY, Bae SM, Kim SY, Park DH. Duodenal Dual-Wavelength Photobiomodulation Improves Hyperglycemia and Hepatic Parameters with Alteration of Gut Microbiome in Type 2 Diabetes Animal Model. Cells 2022; 11:3490. [PMID: 36359885 PMCID: PMC9654760 DOI: 10.3390/cells11213490] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 10/27/2022] [Accepted: 11/01/2022] [Indexed: 09/03/2023] Open
Abstract
BACKGROUND Recently, the duodenum has garnered interest for its role in treating metabolic diseases, including type 2 diabetes (T2DM). Multiple sessions of external photobiomodulation (PBM) in previous animal studies suggested it resulted in improved hyperglycemia, glucose intolerance, and insulin resistance with a multifactorial mechanism of action, despite the target organ of PBM not being clearly proven. This study aimed to determine whether a single session of a duodenal light-emitting diode (LED) PBM may impact the T2DM treatment in an animal model. METHODS Goto-Kakizaki rats as T2DM models were subjected to PBM through duodenal lumen irradiation, sham procedure, or control in 1-week pilot (630 nm, 850 nm, or 630/850 nm) and 4-week follow-up (630 nm or 630/850 nm) studies. Oral glucose tolerance tests; serum glucagon-like peptide 1 (GLP-1), glucose-dependent insulinotropic polypeptide, and insulin levels; liver chemistry and histology; and gut microbiome in the PBM, sham control, and control groups were evaluated. RESULTS In the 1-week study, duodenal dual-wavelength (D, 630/850 nm) LED PBM showed improved glucose intolerance, alkaline phosphatase and cholesterol levels, and weight gain than other groups. The D-LED PBM group in the 4-week study also showed improved hyperglycemia and liver enzyme levels, with relatively preserved pancreatic islets and increased serum insulin and GLP-1 levels. Five genera (Bacteroides, Escherichia, Parabacteroides, Allobaculum, and Faecalibaculum) were significantly enriched 1 week after the D-LED PBM. Bacteroides acidifaciens significantly increased, while Lachnospiraceae significantly decreased after 1 week. CONCLUSION A single session of D-LED PBM improved hyperglycemia and hepatic parameters through the change of serum insulin, insulin resistance, insulin expression in the pancreatic β-cells, and gut microbiome in T2DM animal models.
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Affiliation(s)
- Se Hee Min
- Division of Endocrinology and Metabolism, Department of Internal Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Korea
| | - Jinhee Kwon
- Digestive Diseases Research Center, Department of Internal Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Korea
- Department of Medical Science, Asan Medical Institute of Convergence Science and Technology, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Korea
| | - Eun-Ju Do
- Convergence Medicine Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul 05505, Korea
| | - So Hee Kim
- Digestive Diseases Research Center, Department of Internal Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Korea
| | - Eun Sil Kim
- Department of Convergence Medicine, Asan Institute for Life Sciences, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Korea
| | - Jin-Yong Jeong
- Department of Convergence Medicine, Asan Institute for Life Sciences, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Korea
| | - Sang Mun Bae
- Convergence Medicine Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul 05505, Korea
| | - Sang-Yeob Kim
- Convergence Medicine Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul 05505, Korea
| | - Do Hyun Park
- Digestive Diseases Research Center, Department of Internal Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05505, Korea
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Magalhães FDC, Ferraresi C. Photobiomodulation Therapy on the Treatment of Insulin Resistance: A Narrative Review. Photobiomodul Photomed Laser Surg 2022; 40:597-603. [DOI: 10.1089/photob.2022.0031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Flávio de Castro Magalhães
- Department of Physical Education, Federal University of the Jequitinhonha and Mucuri Valleys, Diamantina, Brazil
| | - Cleber Ferraresi
- Departament of Physical Therapy, Universidade Federal de São Carlos, São Carlos, Brazil
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Carroll JD. Photobiomodulation Literature Watch October 2021. Photobiomodul Photomed Laser Surg 2022; 40:71-74. [DOI: 10.1089/photob.2021.0181] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
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