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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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Huang Y, Liu HM, Wu LL, Yu GY, Xiang RL. Long non-coding RNA and mRNA profile analysis in the parotid gland of mouse with type 2 diabetes. Life Sci 2021; 268:119009. [PMID: 33412210 DOI: 10.1016/j.lfs.2020.119009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 12/24/2020] [Accepted: 12/28/2020] [Indexed: 01/23/2023]
Abstract
AIMS Salivary gland dysfunction is a common complication of diabetes mellitus (DM). Long non-coding RNA (lncRNA) is evidenced to involve in the functional regulation of salivary gland, however, its role in DM-impaired gland is unknown. Therefore, this study aimed to investigate the expression profiles and functional networks of lncRNA in the parotid glands (PGs) of DM mice. MAIN METHODS Microarray was used to detect lncRNA and messenger RNA (mRNA) expression profiles in the PGs from db/db and db/m mice. Eleven differently expressed (DE) lncRNAs validated by qRT-PCR were selected for coding-non-coding gene co-expression (CNC) and competing endogenous RNA (ceRNA) network analysis, as well as the following Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis. Pearson's coefficient correlation analysis was used to analyze the correlations between DE lncRNAs expression and DM pathology. KEY FINDINGS By using a 2-fold change and P < 0.05 as the cutoff criteria, 1650 DE lncRNAs (758 upregulated and 892 downregulated) and 1073 mRNAs (563 upregulated and 510 downregulated) were identified in the PGs of db/db mice compared to db/m mice. GO and KEGG analysis of DE mRNA suggested that activated inflammation response and downregulated ion transport might count for the dysfunction of diabetic PG. CNC and ceRNA networks analysis of 11 DE lncRNAs showed that the inflammation process and its related signaling pathways including advanced glycation end product (AGE)-receptor for AGE (RAGE) signaling pathway in diabetic complications, cytokine-cytokine receptor interaction, chemokine signaling pathway, apoptosis, and cell adhesion molecules were significantly enriched. The alterations of lncRNAs were closely correlated with higher blood glucose and serum insulin levels in mice. SIGNIFICANCE We identified multiple lncRNAs/mRNAs and several signaling pathways that may involve in the pathogenesis of diabetic salivary injury, providing new insight into potential target of diabetic hyposalivation.
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Affiliation(s)
- Yan Huang
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, National Engineering Laboratory for Digital and Material Technology of Stomatology and Beijing Key Laboratory of Digital Stomatology, Beijing 100081, PR China
| | - Hui-Min Liu
- Department of Physiology and Pathophysiology, Peking University School of Basic Medical Sciences, Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, and Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing 100191, PR China
| | - Li-Ling Wu
- Department of Physiology and Pathophysiology, Peking University School of Basic Medical Sciences, Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, and Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing 100191, PR China
| | - Guang-Yan Yu
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, National Engineering Laboratory for Digital and Material Technology of Stomatology and Beijing Key Laboratory of Digital Stomatology, Beijing 100081, PR China.
| | - Ruo-Lan Xiang
- Department of Physiology and Pathophysiology, Peking University School of Basic Medical Sciences, Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, and Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing 100191, PR China.
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Fukuoka CY, Vicari HP, Sipert CR, Bhawal UK, Abiko Y, Arana-Chavez VE, Simões A. Early effect of laser irradiation in signaling pathways of diabetic rat submandibular salivary glands. PLoS One 2020; 15:e0236727. [PMID: 32750068 PMCID: PMC7402516 DOI: 10.1371/journal.pone.0236727] [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: 02/25/2020] [Accepted: 07/12/2020] [Indexed: 11/19/2022] Open
Abstract
Low-power laser irradiation (LPLI) is clinically used to modulate inflammation, proliferation and apoptosis. However, its molecular mechanisms are still not fully understood. This study aimed to describe the effects of LPLI upon inflammatory, apoptotic and proliferation markers in submandibular salivary glands (SMGs) in an experimental model of chronic disorder, 24h after one time irradiation. Diabetes was induced in rats by the injection of streptozotocin. After 29 days, these animals were treated with LPLI in the SMG area, and euthanized 24h after this irradiation. Treatment with LPLI significantly decreased diabetes-induced high mobility group box 1 (HMGB1) and tumor necrosis factor alpha (TNF-α) expression, while enhancing the activation of the transcriptional factor cAMP response element binding (CREB) protein. LPLI also reduced the expression of bax, a mitochondrial apoptotic marker, favoring the cell survival. These findings suggest that LPLI can hamper the state of chronic inflammation and favor homeostasis in diabetic rats SMGs.
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Affiliation(s)
- Cíntia Yuki Fukuoka
- Laboratory of Oral Biology, Department of Biomaterials and Oral Biology, School of Dentistry, University of São Paulo, São Paulo, Brazil
| | - Hugo Passos Vicari
- Laboratory of Oral Biology, Department of Biomaterials and Oral Biology, School of Dentistry, University of São Paulo, São Paulo, Brazil
| | - Carla Renata Sipert
- Division of Endodontics, Department of Restorative Dentistry, School of Dentistry, University of São Paulo, São Paulo, Brazil
| | - Ujjal Kumar Bhawal
- Department of Biochemistry and Molecular Biology, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba, Japan
| | - Yoshimitsu Abiko
- Department of Biochemistry and Molecular Biology, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba, Japan
| | - Victor Elias Arana-Chavez
- Laboratory of Oral Biology, Department of Biomaterials and Oral Biology, School of Dentistry, University of São Paulo, São Paulo, Brazil
| | - Alyne Simões
- Laboratory of Oral Biology, Department of Biomaterials and Oral Biology, School of Dentistry, University of São Paulo, São Paulo, Brazil
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Castro KMR, de Paiva Carvalho RL, Junior GMR, Tavares BA, Simionato LH, Bortoluci CHF, Soto CAT, Ferraresi C. Can photobiomodulation therapy (PBMT) control blood glucose levels and alter muscle glycogen synthesis? JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2020; 207:111877. [PMID: 32298941 DOI: 10.1016/j.jphotobiol.2020.111877] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Revised: 03/27/2020] [Accepted: 04/06/2020] [Indexed: 12/13/2022]
Abstract
Photobiomodulation therapy (PBMT) has many effects on the energy metabolism of musculoskeletal tissue, such as increased glycogen and adenosine triphosphate synthesis. In addition, these effects may be due to a systemic blood glucose control. Twenty-four Wistar rats were randomly and equally allocated into four groups: sham, PBMT 10 J/cm2, PBMT 30 J/cm2 and PBMT 60 J/cm2. The animals were fasting for 6 h for blood glucose evaluations during pre-irradiation period, 1 h, 3 h and 6 h after PBMT. Muscle glycogen synthesis was measured 24 h after PBMT. This PBMT used a cluster of 69 LEDs (light-emitting diodes) with 35 red (630 ± 10 nm) and 34 infrared (850 ± 20 nm); 114 mW/cm2 for 90s (10 J/cm2), 270 s (30 J/cm2), 540 s (60 J/cm2) applied on large muscle areas (back and hind legs) of the animals. The 10 J/cm2 group showed lower blood glucose levels and glucose variability over 6 h (5.92 mg/dL) compared to the sham (13.03 mg/dL), 30 J/cm2 (7.77 mg/dL) and 60 J/cm2 (9.07 mg/dL) groups. The PBMT groups had the greatest increase in muscle glycogen (10 J/cm2 > 60 J/cm2 > 30 J/cm2 > sham), characterizing a triphasic dose-response of PBMT. There was a strong negative correlation between blood glucose variability over 6 h and muscle glycogen concentration for 10 J/cm2 group (r = -0.94; p < .001) followed by 30 J/cm2 group (r = -0.84; p < .001) and 60 J/cm2 group(r = -0.73; p < .006). These results suggest that PBMT can play a very important role in the control of blood glucose levels, and its possible mechanism of action is the induction of greater muscle glycogen synthesis independently of physical exercise.
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Affiliation(s)
| | | | | | | | | | | | | | - Cleber Ferraresi
- Post-Graduation Program in Biomedical Engineering, Universidade Brasil, São Paulo, Brazil.
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Sousa AS, Silva JF, Pavesi VCS, Carvalho NA, Ribeiro-Júnior O, Varellis MLZ, Prates RA, Bussadori SK, Gonçalves MLL, Horliana ACRT, Deana AM. Photobiomodulation and salivary glands: a systematic review. Lasers Med Sci 2019; 35:777-788. [DOI: 10.1007/s10103-019-02914-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 10/30/2019] [Indexed: 12/14/2022]
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de Castro JR, de Souza EMN, Park YJ, de Campos L, Cha S, Arana-Chavez VE, Nicolau J, Simões A. Low-power laser irradiation decreases lipid droplet accumulation in the parotid glands of diabetic rats. JOURNAL OF BIOPHOTONICS 2018; 11:e201700179. [PMID: 29112328 DOI: 10.1002/jbio.201700179] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Accepted: 11/03/2017] [Indexed: 06/07/2023]
Abstract
Lipid droplet accumulation has been related to salivary gland hypofunction in diabetes. In this study, the effect of laser irradiation on the parotid glands (PGs) of diabetic rats was analyzed with regard to its effect on lipid droplet accumulation, intracellular calcium concentration and calmodulin expression. The animals were distributed into 6 groups: D0, D5, D20 and C0, C5, C20, for diabetic (D) and control animals (C), respectively. Twenty-nine days following diabetes induction, PGs of groups D5 and C5; D20 and C20 were irradiated with 5 and 20 J/cm2 of a red diode laser at 100 mW, respectively. After 24 hours, PGs were removed for histological, biochemical, and western blotting analysis. The diabetic animals showed lipid droplet accumulation, which was decreased after irradiation. Ultrastructurally, the droplets were nonmembrane bound and appeared irregularly located in the cytoplasm. Moreover, diabetic animals showed an increased intracellular calcium concentration. In contrast, after laser irradiation a progressive decrease in the concentration of this ion was observed, which would be in agreement with the results found in the increased expression of calmodulin in D20. These data are promising for using laser to decrease lipid droplet accumulation in PGs, however, more studies are necessary to better understand its mechanisms. Micrographs showing decreased lipid accumulation after laser irradiation in light micrographs (LM), and morphology of lipid droplet in transmission electron microscopic (TEM). LM: (A) PGs from nondiabetic rats that did not receive Laser irradiation (LI), (B) PGs from nondiabetic rats that received a dose of 20 J/cm2 , (C) lipid accumulation (arrows) in the secretory cells from diabetic rats that did not receive irradiation, (D) reduction of lipid accumulation in the secretory cells from diabetic rats that received a dose of 20 J/cm2 and TEM: (E) scale bar = 5 μm, (F) scale bar = 1 μm, and (G) scale bar = 0.5 μm.
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Affiliation(s)
- Juliana R de Castro
- Laboratory of Oral Biology, Department of Biomaterials and Oral Biology, School of Dentistry, University of São Paulo, São Paulo, Brazil
| | - Eugen M N de Souza
- Laboratory of Oral Biology, Department of Biomaterials and Oral Biology, School of Dentistry, University of São Paulo, São Paulo, Brazil
| | - Yun-Jong Park
- Oral Maxillofacial Diagnostic Sciences, College of Dentistry, University of Florida, Gainesville, Florida
| | - Luana de Campos
- Laboratory of Oral Biology, Department of Biomaterials and Oral Biology, School of Dentistry, University of São Paulo, São Paulo, Brazil
- Department of Oral Medicine, Brazilian Institute for Cancer Control, São Paulo, Brazil
| | - Seunghee Cha
- Oral Maxillofacial Diagnostic Sciences, College of Dentistry, University of Florida, Gainesville, Florida
| | - Victor E Arana-Chavez
- Laboratory of Oral Biology, Department of Biomaterials and Oral Biology, School of Dentistry, University of São Paulo, São Paulo, Brazil
| | - José Nicolau
- Laboratory of Oral Biology, Department of Biomaterials and Oral Biology, School of Dentistry, University of São Paulo, São Paulo, Brazil
| | - Alyne Simões
- Laboratory of Oral Biology, Department of Biomaterials and Oral Biology, School of Dentistry, University of São Paulo, São Paulo, Brazil
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Trajano LADSN, Sergio LPDS, Stumbo AC, Mencalha AL, Fonseca ADSD. Low power lasers on genomic stability. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2018; 180:186-197. [DOI: 10.1016/j.jphotobiol.2018.02.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 01/02/2018] [Accepted: 02/07/2018] [Indexed: 12/11/2022]
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Fukuoka CY, Simões A, Uchiyama T, Arana-Chavez VE, Abiko Y, Kuboyama N, Bhawal UK. The Effects of Low-Power Laser Irradiation on Inflammation and Apoptosis in Submandibular Glands of Diabetes-Induced Rats. PLoS One 2017; 12:e0169443. [PMID: 28099448 PMCID: PMC5242424 DOI: 10.1371/journal.pone.0169443] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Accepted: 12/18/2016] [Indexed: 12/11/2022] Open
Abstract
Diabetes can lead to dysfunction of the secretory capacity in salivary glands. Activation of the receptor for advanced glycation end products (RAGE) and its ligands has been suggested to participate in chronic disorders such as diabetes and its complications. In this study, the expression of RAGE, high mobility group box 1 (HMGB1) and advanced glycation end products (AGE), as well as the effects of low-power laser irradiation (LPLI) in salivary glands of diabetic rats were evaluated, and the mechanisms involved were characterized. The expression of RAGE and HMGB1 at the protein and mRNA levels was observed in submandibular glands (SMGs) of streptozotocin-induced diabetic rats. A diode laser was applied at 660 nm, 70 mW, 20 J/cm2, 0.56 J/point, with a spot area of 0.028 cm2 and its in vivo effects and the pathways involved were evaluated. Immunohistochemistry and western blotting analysis were performed for inflammatory and apoptosis markers. Diabetes up-regulates HMGB1/AGE/RAGE axis gene expression in SMGs that is associated with activation of the nuclear factor kappa B (NF-κB) pathway. Interestingly, LPLI suppresses NF-κB activation induced by inflammation. LPLI also reduces diabetes-induced apoptosis. That effect was accompanied by decreased levels of Bax, and cleaved caspase 3, which were up-regulated in diabetes. Taken together, our data suggest that LPLI reduces diabetes-induced inflammation by reducing the induction of HMGB1, ultimately leading to inhibition of apoptosis in submandibular glands of diabetic rats.
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Affiliation(s)
- Cíntia Yuki Fukuoka
- Department of Biomaterials and Oral Biology, São Paulo University, School of Dentistry, São Paulo, Brazil
| | - Alyne Simões
- Department of Biomaterials and Oral Biology, São Paulo University, School of Dentistry, São Paulo, Brazil
- * E-mail: (UKB); (AS)
| | - Toshikazu Uchiyama
- Department of Social Dentistry (Medical Informatics), Nihon University School of Dentistry at Matsudo, Matsudo, Chiba, Japan
| | - Victor Elias Arana-Chavez
- Department of Biomaterials and Oral Biology, São Paulo University, School of Dentistry, São Paulo, Brazil
| | - Yoshimitsu Abiko
- Department of Biochemistry and Molecular Biology, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba, Japan
| | - Noboru Kuboyama
- Research Institute of Oral Science, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba, Japan
| | - Ujjal K. Bhawal
- Department of Biochemistry and Molecular Biology, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba, Japan
- * E-mail: (UKB); (AS)
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