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Tram M, Ibrahim T, Hovhannisyan A, Akopian A, Ruparel S. Lingual innervation in male and female marmosets. NEUROBIOLOGY OF PAIN (CAMBRIDGE, MASS.) 2023; 14:100134. [PMID: 38099285 PMCID: PMC10719518 DOI: 10.1016/j.ynpai.2023.100134] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 05/26/2023] [Accepted: 05/26/2023] [Indexed: 12/17/2023]
Abstract
Several gaps in knowledge exists in our understanding of orofacial pain. Some of these include type of peripheral sensory innervation in specific tissues, differences in innervation between sexes and validation of rodent studies in higher order species. The current study addresses these gaps by validating mouse studies for sensory innervation of tongue tissue in non-human primates as well as assesses sex-specific differences. Tongue and trigeminal ganglia were collected from naïve male and female marmosets and tested for nerve fibers using specific markers by immunohistochemistry and number of fibers quantified. We also tested whether specific subgroups of nerve fibers belonged to myelinating or non-myelinating axons. We observed that similar to findings in mice, marmoset tongue was innervated with nerve filaments expressing nociceptor markers like CGRP and TRPV1 as well as non-nociceptor markers like TrkB, parvalbumin (PV) and tyrosine hydroxylase (TH). Furthermore, we found that while portion of TrkB and PV may be sensory fibers, TH-positive fibers were primarily sympathetic nerve fibers. Moreover, number of CGRP, TrkB and TH-positive nerve fibers were similar in both sexes. However, we observed a higher proportion of myelinated TRPV1 positive fibers in females than in males as well as increased number of PV + fibers in females. Taken together, the study for the first time characterizes sensory innervation in non-human primates as well as evaluates sex-differences in innervation of tongue tissue, thereby laying the foundation for future orofacial pain research with new world smaller NHPs like the common marmoset.
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Affiliation(s)
- Meilinn Tram
- Department of Endodontics, School of Dentistry, University of Texas Health San Antonio, USA
| | - Tarek Ibrahim
- Department of Endodontics, School of Dentistry, University of Texas Health San Antonio, USA
| | - Anahit Hovhannisyan
- Department of Endodontics, School of Dentistry, University of Texas Health San Antonio, USA
| | - Armen Akopian
- Department of Endodontics, School of Dentistry, University of Texas Health San Antonio, USA
| | - Shivani Ruparel
- Department of Endodontics, School of Dentistry, University of Texas Health San Antonio, USA
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2
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Luisa Valerio de Mello Braga L, Simão G, Silva Schiebel C, Caroline Dos Santos Maia A, Mulinari Turin de Oliveira N, Barbosa da Luz B, Rita Corso C, Soares Fernandes E, Maria Ferreira D. Rodent models for anticancer toxicity studies: contributions to drug development and future perspectives. Drug Discov Today 2023:103626. [PMID: 37224998 DOI: 10.1016/j.drudis.2023.103626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 05/08/2023] [Accepted: 05/17/2023] [Indexed: 05/26/2023]
Abstract
Antineoplastic treatment induces a type of gastrointestinal toxicity known as mucositis. Findings in animal models are usually easily reproducible, and standardized treatment regimens are often used, thus supporting translational science. Essential characteristics of mucositis, including intestinal permeability, inflammation, immune and oxidative responses, and tissue repair mechanisms, can be easily investigated in these models. Given the effects of mucositis on the quality of life of patients with cancer, and the importance of experimental models in the development of more effective new therapeutic alternatives, this review discusses progress and current challenges in using experimental models of mucositis in translational pharmacology research. Teaser Experimental models for studying gastrointestinal mucositis have provided a wealth of information improving the understanding of antineoplastic toxicity.
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Affiliation(s)
- Lara Luisa Valerio de Mello Braga
- Instituto de Pesquisa Pelé Pequeno Príncipe, Faculdades Pequeno Príncipe, Curitiba, PR, Brazil; Programa de Pós-graduação em Biotecnologia Aplicada à Saúde da Criança e do Adolescente, Faculdades Pequeno Príncipe, Curitiba, PR, Brazil
| | - Gisele Simão
- Instituto de Pesquisa Pelé Pequeno Príncipe, Faculdades Pequeno Príncipe, Curitiba, PR, Brazil; Programa de Pós-graduação em Biotecnologia Aplicada à Saúde da Criança e do Adolescente, Faculdades Pequeno Príncipe, Curitiba, PR, Brazil
| | - Carolina Silva Schiebel
- Instituto de Pesquisa Pelé Pequeno Príncipe, Faculdades Pequeno Príncipe, Curitiba, PR, Brazil; Programa de Pós-graduação em Biotecnologia Aplicada à Saúde da Criança e do Adolescente, Faculdades Pequeno Príncipe, Curitiba, PR, Brazil
| | - Andressa Caroline Dos Santos Maia
- Instituto de Pesquisa Pelé Pequeno Príncipe, Faculdades Pequeno Príncipe, Curitiba, PR, Brazil; Programa de Pós-graduação em Biotecnologia Aplicada à Saúde da Criança e do Adolescente, Faculdades Pequeno Príncipe, Curitiba, PR, Brazil
| | - Natalia Mulinari Turin de Oliveira
- Instituto de Pesquisa Pelé Pequeno Príncipe, Faculdades Pequeno Príncipe, Curitiba, PR, Brazil; Programa de Pós-graduação em Biotecnologia Aplicada à Saúde da Criança e do Adolescente, Faculdades Pequeno Príncipe, Curitiba, PR, Brazil
| | - Bruna Barbosa da Luz
- Departamento de Farmacologia, Universidade Federal do Paraná, Curitiba, PR, Brazil
| | - Claudia Rita Corso
- Instituto de Pesquisa Pelé Pequeno Príncipe, Faculdades Pequeno Príncipe, Curitiba, PR, Brazil; Programa de Pós-graduação em Biotecnologia Aplicada à Saúde da Criança e do Adolescente, Faculdades Pequeno Príncipe, Curitiba, PR, Brazil
| | - Elizabeth Soares Fernandes
- Instituto de Pesquisa Pelé Pequeno Príncipe, Faculdades Pequeno Príncipe, Curitiba, PR, Brazil; Programa de Pós-graduação em Biotecnologia Aplicada à Saúde da Criança e do Adolescente, Faculdades Pequeno Príncipe, Curitiba, PR, Brazil
| | - Daniele Maria Ferreira
- Instituto de Pesquisa Pelé Pequeno Príncipe, Faculdades Pequeno Príncipe, Curitiba, PR, Brazil; Programa de Pós-graduação em Biotecnologia Aplicada à Saúde da Criança e do Adolescente, Faculdades Pequeno Príncipe, Curitiba, PR, Brazil.
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Zhao M, Wang C, Ji C, Liu R, Xie J, Wang Y, Gu Z. Ascidian-Inspired Temperature-Switchable Hydrogels with Antioxidant Fullerenols for Protecting Radiation-Induced Oral Mucositis and Maintaining the Homeostasis of Oral Microbiota. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2206598. [PMID: 36965142 DOI: 10.1002/smll.202206598] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 02/04/2023] [Indexed: 06/18/2023]
Abstract
A key characteristic of radiation-induced oral mucositis (RIOM) is oxidative stress mediated by the "reactive oxygen species (ROS) storm" generated from water radiolysis, resulting in severe pathological lesions, accompanied by a disturbance of oral microbiota. Therefore, a sprayable in situ hydrogel loaded with "free radical sponge" fullerenols (FOH) is developed as antioxidant agent for RIOM radioprotection. Inspired by marine organisms, 3,4,5-trihydroxyphenylalanine (TOPA) which is enriched in ascidians is grafted to clinically approved temperature-switchable Pluronic F127 to produce gallic acid (containing the TOPA fragment)-modified Pluronic F127 (MGA) hydrogels to resist the fast loss of FOH via biomimetic adhesion during oral movement and saliva erosion. Based on this, progressive RIOM found in mice is alleviated by treatment of FOH-loaded MGA hydrogels whether pre-irradiation prophylactic administration or post-irradiation therapeutic administration, which contributes to maintaining the homeostasis of oral microbiota. Mechanistically, FOH inhibits cell apoptosis by scavenging radiation-induced excess ROS and up-regulates the inherent enzymatic antioxidants, thereby protecting the proliferation and migration of mucosal epithelial cells. In conclusion, this work not only provides proof-of-principle evidence for the oral radioprotection of FOH by blocking the "ROS storm", but also provides an effective and easy-to-use hydrogel system for mucosal in situ administration.
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Affiliation(s)
- Maoru Zhao
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety and CAS Center for Excellence in Nanoscience, Institute of High Energy Physics and National Center for Nanoscience and Technology, Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Center of Materials Science and Optoelectronics Engineering, College of Materials Science and Optoelectronic Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Chengyan Wang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety and CAS Center for Excellence in Nanoscience, Institute of High Energy Physics and National Center for Nanoscience and Technology, Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Chao Ji
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety and CAS Center for Excellence in Nanoscience, Institute of High Energy Physics and National Center for Nanoscience and Technology, Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Ruixue Liu
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety and CAS Center for Excellence in Nanoscience, Institute of High Energy Physics and National Center for Nanoscience and Technology, Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Jiani Xie
- School of Food and Biological Engineering, Chengdu University, Chengdu, 610106, P. R. China
| | - Yuguang Wang
- National Engineering Laboratory for Digital and Material Technology of Stomatology, Center of Digital Dentistry, Peking University School and Hospital of Stomatology, Beijing, 100081, P. R. China
| | - Zhanjun Gu
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety and CAS Center for Excellence in Nanoscience, Institute of High Energy Physics and National Center for Nanoscience and Technology, Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Center of Materials Science and Optoelectronics Engineering, College of Materials Science and Optoelectronic Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
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Juvkam IS, Zlygosteva O, Arous D, Galtung HK, Malinen E, Søland TM, Edin NJ. A preclinical model to investigate normal tissue damage following fractionated radiotherapy to the head and neck. JOURNAL OF RADIATION RESEARCH 2023; 64:44-52. [PMID: 36253091 PMCID: PMC9855321 DOI: 10.1093/jrr/rrac066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 08/09/2022] [Indexed: 06/16/2023]
Abstract
Radiotherapy (RT) of head and neck (H&N) cancer is known to cause both early- and late-occurring toxicities. To better appraise normal tissue responses and their dependence on treatment parameters such as radiation field and type, as well as dose and fractionation scheme, a preclinical model with relevant endpoints is required. 12-week old female C57BL/6 J mice were irradiated with 100 or 180 kV X-rays to total doses ranging from 30 to 85 Gy, given in 10 fractions over 5 days. The radiation field covered the oral cavity, swallowing structures and salivary glands. Monte Carlo simulations were employed to estimate tissue dose distribution. The follow-up period was 35 days, in order to study the early radiation-induced effects. Baseline and post irradiation investigations included macroscopic and microscopic examinations of the skin, lips, salivary glands and oral mucosa. Saliva sampling was performed to assess the salivary gland function following radiation exposure. A dose dependent radiation dermatitis in the skin was observed for doses above 30 Gy. Oral mucositis in the tongue appeared as ulcerations on the ventral surface of the tongue for doses of 75-85 Gy. The irradiated mice showed significantly reduced saliva production compared to controls. In summary, a preclinical model to investigate a broad panel of normal tissue responses following fractionated irradiation of the H&N region was established. The optimal dose to study early radiation-induced effects was found to be around 75 Gy, as this was the highest tolerated dose that gave acute effects similar to that observed in cancer patients.
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Affiliation(s)
- Inga Solgård Juvkam
- Institute of Oral Biology, Faculty of Dentistry, University of Oslo, 0372 Oslo, Norway
| | - Olga Zlygosteva
- Department of Physics, Faculty of Mathematics and Natural Sciences, University of Oslo, 0371 Oslo, Norway
| | - Delmon Arous
- Department of Physics, Faculty of Mathematics and Natural Sciences, University of Oslo, 0371 Oslo, Norway
- Department of Medical Physics, Cancer Clinic, Oslo University Hospital, 0379 Oslo, Norway
| | - Hilde Kanli Galtung
- Institute of Oral Biology, Faculty of Dentistry, University of Oslo, 0372 Oslo, Norway
| | - Eirik Malinen
- Department of Physics, Faculty of Mathematics and Natural Sciences, University of Oslo, 0371 Oslo, Norway
- Department of Medical Physics, Cancer Clinic, Oslo University Hospital, 0379 Oslo, Norway
| | - Tine Merete Søland
- Institute of Oral Biology, Faculty of Dentistry, University of Oslo, 0372 Oslo, Norway
- Department of Pathology, Oslo University Hospital, 0372 Oslo, Norway
| | - Nina Jeppesen Edin
- Department of Physics, Faculty of Mathematics and Natural Sciences, University of Oslo, 0371 Oslo, Norway
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5
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Sardo AVN, Andrade MF, Figueiredo A, Rosin FCP, Corrêa L, Zezell DM. Does Photobiomodulation Affects CK10 and CK14 in Oral Mucositis Radioinduced Repair? Int J Mol Sci 2022; 23:ijms232415611. [PMID: 36555260 PMCID: PMC9779304 DOI: 10.3390/ijms232415611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 10/18/2022] [Accepted: 10/20/2022] [Indexed: 12/14/2022] Open
Abstract
The mechanisms of action of photobiomodulation (PBM) in oral mucositis (OM) are not completely elucidated. To enlighten the role of PBM in the evolution of epithelial maturity in OM ulcers, the present study evaluated the effect of PBM with red (λ) wavelength of 660 nanometers (nm) and infrared of 780 nm in radio-induced OM wounds on the tongue of rats, eight and twenty days after irradiation with single dose of 20 Gy. The percentage area corresponding to positive staining for cytokeratin 10 (CK10) and 14 (CK14) proteins was evaluated in the epithelial area of the lesions, using an immunohistochemical technique (IHC), 8 and 20 days after the induction of lesions, and compared with an untreated control group. CK10 was significantly more expressed in the group treated with 660 nm PBM. CK14 did not show quantitative differences between the groups evaluated. However, whereas in the groups treated with PBM, CK14 was already restricted to the basal layer of the epithelium, as expected in healthy epithelia, in control group it was also expressed in upper layers of the epithelium. In this work, PBM was able to improve epithelial maturity of the repaired OM wound, especially in the 660 nm group.
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Affiliation(s)
- Ariane Venzon Naia Sardo
- Center for Lasers and Applications, Instituto de Pesquisas Energeticas e Nucelares IPEN-CNEN, São Paulo CEP 05508-000, SP, Brazil
| | - Maíra Franco Andrade
- Center for Lasers and Applications, Instituto de Pesquisas Energeticas e Nucelares IPEN-CNEN, São Paulo CEP 05508-000, SP, Brazil
| | - Anaeliza Figueiredo
- School of Dentistry, University of São Paulo, São Paulo CEP 05508-000, SP, Brazil
| | | | - Luciana Corrêa
- School of Dentistry, University of São Paulo, São Paulo CEP 05508-000, SP, Brazil
| | - Denise Maria Zezell
- Center for Lasers and Applications, Instituto de Pesquisas Energeticas e Nucelares IPEN-CNEN, São Paulo CEP 05508-000, SP, Brazil
- Correspondence:
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6
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Ly KL, Luo X, Raub CB. Oral mucositis on a chip: modeling induction by chemo- and radiation treatments and recovery. Biofabrication 2022; 15:10.1088/1758-5090/ac933b. [PMID: 36126642 PMCID: PMC9780701 DOI: 10.1088/1758-5090/ac933b] [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: 07/20/2022] [Accepted: 09/20/2022] [Indexed: 12/27/2022]
Abstract
Oral mucositis (OM) is a debilitating complication affecting roughly 70% of head and neck cancer patients receiving chemotherapy and/or radiation treatment. No broadly effective preventative treatment for OM exists. Therefore, anin vitromodel of cancer treatment-induced OM would aid studies into possible origins of the pathology and future drug targets to ameliorate it. In this study, we present a microfluidic oral mucosa triculture tissue construct consisting of a keratinocyte layer attached to a subepithelial fibroblast and endothelial cell-embedded collagen gel. To address the typically low stability of mucosal constructs in microfluidics, ruthenium-catalyzed photocrosslinking was implemented to strengthen the collagen gel and prevent the invasion of keratinocytes, thus maintaining tissue construct geometry and oral mucosa barrier function for over 18 d of culture. Next, the OM chip was exposed to cisplatin (day 10) and damaging radiation (day 11, ± cisplatin at day 10), mimicking damage from cancer therapy. Damage to and then recovery of the tissue layers and function were observed over days 11-18. Therefore, several important features of OM induction and resolution were modeled in microfluidic culture. The OM model on a chip allows for more sophisticated studies into mechanisms of OM and potential treatments.
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Affiliation(s)
- Khanh L Ly
- Department of Biomedical Engineering, School of Engineering, Catholic University of America, Washington, DC 20064, United States of America
| | - Xiaolong Luo
- Department of Mechanical Engineering, School of Engineering, Catholic University of America, Washington, DC 20064, United States of America
| | - Christopher B Raub
- Department of Biomedical Engineering, School of Engineering, Catholic University of America, Washington, DC 20064, United States of America
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Wakamori S, Taguchi K, Nakayama Y, Ohkoshi A, Sporn MB, Ogawa T, Katori Y, Yamamoto M. Nrf2 protects against radiation-induced oral mucositis via antioxidation and keratin layer thickening. Free Radic Biol Med 2022; 188:206-220. [PMID: 35753588 DOI: 10.1016/j.freeradbiomed.2022.06.239] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 06/17/2022] [Accepted: 06/21/2022] [Indexed: 12/24/2022]
Abstract
Radiation-induced oral mucositis is one of the most common adverse events in radiation therapy for head and neck cancers, but treatments for oral mucositis are limited to palliative and supportive care. New approaches are required to prevent radiation-induced mucositis and to improve treatments. The Keap1-Nrf2 system regulates cytoprotection against oxidative and electrophilic stresses. Nrf2 also regulates keratin layer thickness in mouse tongues. Therefore, we hypothesized that Nrf2 may protect the tongue epithelium against radiation-induced mucositis via elimination of reactive oxygen species and induction of keratin layer thickening. To test this hypothesis, we prepared a system for γ-ray exposure of restricted areas and irradiated the tongues of model mice with Nrf2 and Keap1 loss-of-function. We discovered that loss of Nrf2 expression indeed sensitized the tongue epithelium to radiation-induced ulcer formation with inflammation. Constitutive Nrf2 activation by genetic Keap1 knockdown alleviated radiation-induced DNA damage by increasing antioxidation. In agreement with the genetic Nrf2 activation model, the Nrf2 inducer CDDO-Im prevented irradiation damage to the tongue epithelium. These results demonstrate that Nrf2 activation has the potential to prevent the development of radiation-induced mucositis and that Nrf2 inducers are an important therapeutic drug for protection of the upper aerodigestive tract from radiation-induced mucositis.
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Affiliation(s)
- Shun Wakamori
- Department of Medical Biochemistry, Tohoku University Graduate School of Medicine, Sendai, 980-8575, Japan; Department of Otorhinolaryngology, Head and Neck Surgery, Tohoku University Graduate School of Medicine, Sendai, 980-8575, Japan
| | - Keiko Taguchi
- Department of Medical Biochemistry, Tohoku University Graduate School of Medicine, Sendai, 980-8575, Japan; Department of Medical Biochemistry, Tohoku Medical Megabank Organization, Tohoku University, Sendai, 980-8573, Japan; Advanced Research Center for Innovations in Next-GEneration Medicine (INGEM), Tohoku University, Sendai, 980-8573, Japan
| | - Yuki Nakayama
- Department of Medical Biochemistry, Tohoku University Graduate School of Medicine, Sendai, 980-8575, Japan; Department of Otorhinolaryngology, Head and Neck Surgery, Tohoku University Graduate School of Medicine, Sendai, 980-8575, Japan
| | - Akira Ohkoshi
- Department of Otorhinolaryngology, Head and Neck Surgery, Tohoku University Graduate School of Medicine, Sendai, 980-8575, Japan
| | - Michael B Sporn
- Molecular and Systems Biology, Dartmouth Medical School, Lebanon, NH, 03756, United States
| | - Takenori Ogawa
- Department of Otolaryngology, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu, 501-1193, Japan
| | - Yukio Katori
- Department of Otorhinolaryngology, Head and Neck Surgery, Tohoku University Graduate School of Medicine, Sendai, 980-8575, Japan
| | - Masayuki Yamamoto
- Department of Medical Biochemistry, Tohoku University Graduate School of Medicine, Sendai, 980-8575, Japan; Department of Medical Biochemistry, Tohoku Medical Megabank Organization, Tohoku University, Sendai, 980-8573, Japan; Advanced Research Center for Innovations in Next-GEneration Medicine (INGEM), Tohoku University, Sendai, 980-8573, Japan.
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Lee EH, Lee SW, Seo Y, Deng YH, Lim YJ, Kwon HB, Park K, Kong H, Kim MJ. Manganese Oxide Nanozyme-Doped Diatom for Safe and Efficient Treatment of Peri-Implantitis. ACS APPLIED MATERIALS & INTERFACES 2022; 14:27634-27650. [PMID: 35638645 DOI: 10.1021/acsami.2c05166] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Peri-implantitis is a major cause of dental implant failure. Bacterial biofilm contamination on the implant induces surrounding bone resorption and soft tissue inflammation, leading to severe deterioration of oral health. However, conventional biofilm removal procedures, such as mechanical decontamination and antiseptic application, are not effective enough to induce reosseointegration on decontaminated implant surfaces. This is due to (1) incomplete decontamination of the biofilm from inaccessible areas and (2) physicochemical alteration of implant surfaces caused by decontamination procedures. Herein, a safe and effective therapeutic approach for peri-implantitis is developed, which involves decontamination of implant-bound biofilms using the kinetic energy of microsized oxygen bubbles generated from the catalytic reaction between hydrogen peroxide (H2O2) and manganese oxide (MnO2) nanozyme sheet-doped silica diatom microparticles (Diatom Microbubbler, DM). Rapidly moving microsized DM particles are able to penetrate narrow spaces between implant screws, exerting just the right amount of force to entirely destroy biofilms without harming the surrounding mucosa or implant surfaces, as opposed to conventional antiseptics such as chlorhexidine or 3% H2O2 when used alone. Consequently, decontamination with DM facilitates successful reosseointegration on the peri-implantitis-affected implant surface. In summary, our new DM-based therapeutic approach will become a promising alternative to resolve clinically challenging aspects of peri-implantitis.
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Affiliation(s)
- Eun-Hyuk Lee
- Department of Prosthodontics, School of Dentistry and Dental Research Institute, Seoul National University, Seoul 110-749, South Korea
| | - Sang-Woo Lee
- Department of Physiology, School of Dentistry and Dental Research Institute, Seoul National University, Seoul 110-749, South Korea
| | - Yongbeom Seo
- Department of Chemical and Biomolecular Engineering, Carle Illinois College of Medicine, Department of Pathobiology, Carl R. Woese Institute for Genomic Biology, Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Yu-Heng Deng
- Department of Chemical and Biomolecular Engineering, Carle Illinois College of Medicine, Department of Pathobiology, Carl R. Woese Institute for Genomic Biology, Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Young-Jun Lim
- Department of Prosthodontics, School of Dentistry and Dental Research Institute, Seoul National University, Seoul 110-749, South Korea
| | - Ho-Beom Kwon
- Department of Prosthodontics, School of Dentistry and Dental Research Institute, Seoul National University, Seoul 110-749, South Korea
| | - Kyungpyo Park
- Department of Physiology, School of Dentistry and Dental Research Institute, Seoul National University, Seoul 110-749, South Korea
| | - Hyunjoon Kong
- Department of Chemical and Biomolecular Engineering, Carle Illinois College of Medicine, Department of Pathobiology, Carl R. Woese Institute for Genomic Biology, Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Myung-Joo Kim
- Department of Prosthodontics, School of Dentistry and Dental Research Institute, Seoul National University, Seoul 110-749, South Korea
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Zhang J, Hong Y, Liuyang Z, Li H, Jiang Z, Tao J, Liu H, Xie A, Feng Y, Dong X, Wang Y, Dong Q, Wang G. Quercetin Prevents Radiation-Induced Oral Mucositis by Upregulating BMI-1. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:2231680. [PMID: 34873428 PMCID: PMC8643266 DOI: 10.1155/2021/2231680] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 07/23/2021] [Accepted: 09/29/2021] [Indexed: 01/16/2023]
Abstract
Radiation-induced oral mucositis is a major adverse event of radiotherapy. Severe oral mucositis may cause unwanted interruption in radiotherapy and reduce long-term survival in cancer patients receiving radiotherapy, but until now, there have been no effective options for preventing radiation-induced oral mucositis. Quercetin is a flavonoid that is widely found in food species and has anti-inflammatory, antioxidant, and anticancer activities. In this study, we investigated a new role of quercetin in preventing radiation-induced oral mucositis. Quercetin exerted preventive effects against radiation-induced oral mucositis induced by single-dose (25 Gy) ionizing radiation or fractionated ionizing radiation (8 Gy × 3) in C57BL/6 mice and maintained the proliferation ability of basal epithelial cells. Quercetin pretreatment alleviated reactive oxygen species generation, NF-κB pathway activation, and downstream proinflammatory cytokine production and reduced DNA double-strand breaks and cellular senescence induced by ionizing radiation. Quercetin also upregulated BMI-1 expression in oral epithelial cells and promoted ulcer repair. In addition, quercetin exerted similar radioprotective effects in irradiated primary cultured normal human keratinocytes, reduced reactive oxygen species generation and proinflammatory cytokine release, and promoted DNA double-strand break repair and wound healing by upregulating the expression of BMI-1, which is a polycomb group protein. Thus, quercetin can block multiple pathological processes of radiation-induced oral mucositis by targeting BMI-1 and may be a potential treatment option for preventing radiation-induced oral mucositis.
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Affiliation(s)
- Jing Zhang
- Biomedical Research Center, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016 Zhejiang, China
| | - Yiyang Hong
- Biomedical Research Center, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016 Zhejiang, China
| | - Zhenyu Liuyang
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016 Zhejiang, China
| | - Haozhe Li
- Biomedical Research Center, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016 Zhejiang, China
| | - Zhongyang Jiang
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016 Zhejiang, China
| | - Jingjing Tao
- Biomedical Research Center, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016 Zhejiang, China
| | - Hai Liu
- Department of Radiotherapy, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Zhejiang, 310016 Hangzhou, China
| | - Anyong Xie
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016 Zhejiang, China
- Institute for Translational Medicine, School of Medicine, Zhejiang University, Zhejiang, 310016 Hangzhou, China
| | - Yili Feng
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016 Zhejiang, China
| | - Xingjian Dong
- College of Life Science and Technology, Huazhong Agricultural University, Wuhan, 430070 Hubei, China
| | - Yihong Wang
- Department of Pathology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016 Zhejiang, China
| | - Qinghua Dong
- Biomedical Research Center, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016 Zhejiang, China
- Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Hangzhou, 310009 Zhejiang, China
| | - Guanyu Wang
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016 Zhejiang, China
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10
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Saul-McBeth J, Dillon J, Lee A, Launder D, Kratch JM, Abutaha E, Williamson AA, Schroering AG, Michalski G, Biswas P, Conti SR, Shetty AC, McCracken C, Bruno VM, Parsai EI, Conti HR. Tissue Damage in Radiation-Induced Oral Mucositis Is Mitigated by IL-17 Receptor Signaling. Front Immunol 2021; 12:687627. [PMID: 34220843 PMCID: PMC8248500 DOI: 10.3389/fimmu.2021.687627] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 05/31/2021] [Indexed: 01/13/2023] Open
Abstract
Oral mucositis (OM) is a treatment-limiting adverse side effect of radiation and chemotherapy. Approximately 80% of patients undergoing radiotherapy (RT) for head and neck cancers (HNC) develop OM, representing a major unmet medical condition. Our understanding of the immunopathogenesis of OM is limited, due in part to the surprising paucity of information regarding healing mechanisms in the oral mucosa. RNAseq of oral tissue in a murine model that closely mimics human OM, showed elevated expression of IL-17 and related immune pathways in response to head and neck irradiation (HNI). Strikingly, mice lacking the IL-17 receptor (IL-17RA) exhibited markedly more severe OM. Restoration of the oral mucosa was compromised in Il17ra-/- mice and components associated with healing, including matrix metalloproteinase 3, 10 and IL-24 were diminished. IL-17 is typically associated with recruitment of neutrophils to mucosal sites following oral infections. Unexpectedly, in OM the absence of IL-17RA resulted in excessive neutrophil recruitment and immunopathology. Instead, neutrophil activation was IL-1R-driven in Il17ra-/- mice. Blockade of IL-1R and depletion of neutrophils lessened the severity of damage in these mice. Overall, we show IL-17 is protective in OM through multiple mechanisms including restoration of the damaged epithelia and control of the neutrophil response. We also present a clinically relevant murine model of human OM to improve mechanistic understanding and develop rational translational therapeutics.
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Affiliation(s)
- Jessica Saul-McBeth
- Department of Biological Sciences, University of Toledo, Toledo, OH, United States
| | - John Dillon
- Department of Biological Sciences, University of Toledo, Toledo, OH, United States
| | - Aaron Lee
- Department of Radiation Oncology, Division of Medical Physics, The University of Toledo, Toledo, OH, United States
| | - Dylan Launder
- Department of Biological Sciences, University of Toledo, Toledo, OH, United States
| | - Jacqueline M. Kratch
- Department of Biological Sciences, University of Toledo, Toledo, OH, United States
| | - Eanas Abutaha
- Department of Biological Sciences, University of Toledo, Toledo, OH, United States
| | | | | | - Grace Michalski
- Department of Biological Sciences, University of Toledo, Toledo, OH, United States
| | - Priosmita Biswas
- Department of Biological Sciences, University of Toledo, Toledo, OH, United States
| | - Samuel R. Conti
- Department of Biological Sciences, University of Toledo, Toledo, OH, United States
| | - Amol C. Shetty
- Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Carrie McCracken
- Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Vincent M. Bruno
- Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, MD, United States
| | - E. Ishmael Parsai
- Department of Radiation Oncology, Division of Medical Physics, The University of Toledo, Toledo, OH, United States
| | - Heather R. Conti
- Department of Biological Sciences, University of Toledo, Toledo, OH, United States
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11
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Byrne JD, Young CC, Chu JN, Pursley J, Chen MX, Wentworth AJ, Feng A, Kirtane AR, Remillard KA, Hancox CI, Bhagwat MS, Machado N, Hua T, Tamang SM, Collins JE, Ishida K, Hayward A, Becker SL, Edgington SK, Schoenfeld JD, Jeck WR, Hur C, Traverso G. Personalized Radiation Attenuating Materials for Gastrointestinal Mucosal Protection. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:2100510. [PMID: 34194950 PMCID: PMC8224439 DOI: 10.1002/advs.202100510] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Revised: 03/07/2021] [Indexed: 05/11/2023]
Abstract
Cancer patients undergoing therapeutic radiation routinely develop injury of the adjacent gastrointestinal (GI) tract mucosa due to treatment. To reduce radiation dose to critical GI structures including the rectum and oral mucosa, 3D-printed GI radioprotective devices composed of high-Z materials are generated from patient CT scans. In a radiation proctitis rat model, a significant reduction in crypt injury is demonstrated with the device compared to without (p < 0.0087). Optimal device placement for radiation attenuation is further confirmed in a swine model. Dosimetric modeling in oral cavity cancer patients demonstrates a 30% radiation dose reduction to the normal buccal mucosa and a 15.2% dose reduction in the rectum for prostate cancer patients with the radioprotectant material in place compared to without. Finally, it is found that the rectal radioprotectant device is more cost-effective compared to a hydrogel rectal spacer. Taken together, these data suggest that personalized radioprotectant devices may be used to reduce GI tissue injury in cancer patients undergoing therapeutic radiation.
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Affiliation(s)
- James D. Byrne
- Division of GastroenterologyBrigham and Women's HospitalHarvard Medical School75 Francis St.BostonMA02115USA
- Harvard Radiation Oncology Program55 Fruit StreetBostonMA02114USA
- David H. Koch Institute for Integrative Cancer ResearchMassachusetts Institute of Technology500 Main St Building 76CambridgeMA02142USA
- Department of Mechanical EngineeringMassachusetts Institute of Technology77 Massachusetts AveCambridgeMA02139USA
- Department of Radiation OncologyDana‐Farber Cancer Institute/Brigham and Women's Hospital44 Binney St.BostonMA02115USA
| | - Cameron C. Young
- Division of GastroenterologyBrigham and Women's HospitalHarvard Medical School75 Francis St.BostonMA02115USA
| | - Jacqueline N. Chu
- David H. Koch Institute for Integrative Cancer ResearchMassachusetts Institute of Technology500 Main St Building 76CambridgeMA02142USA
- Department of Mechanical EngineeringMassachusetts Institute of Technology77 Massachusetts AveCambridgeMA02139USA
- Division of GastroenterologyMassachusetts General Hospital55 Fruit St.BostonMA02114USA
| | - Jennifer Pursley
- Division of Medical PhysicsDepartment of Radiation OncologyMassachusetts General Hospital450 Brookline AvenueBostonMA02115USA
| | - Mu Xian Chen
- Division of GastroenterologyBrigham and Women's HospitalHarvard Medical School75 Francis St.BostonMA02115USA
| | - Adam J. Wentworth
- Division of GastroenterologyBrigham and Women's HospitalHarvard Medical School75 Francis St.BostonMA02115USA
- David H. Koch Institute for Integrative Cancer ResearchMassachusetts Institute of Technology500 Main St Building 76CambridgeMA02142USA
- Department of Mechanical EngineeringMassachusetts Institute of Technology77 Massachusetts AveCambridgeMA02139USA
| | - Annie Feng
- David H. Koch Institute for Integrative Cancer ResearchMassachusetts Institute of Technology500 Main St Building 76CambridgeMA02142USA
| | - Ameya R. Kirtane
- David H. Koch Institute for Integrative Cancer ResearchMassachusetts Institute of Technology500 Main St Building 76CambridgeMA02142USA
- Department of Mechanical EngineeringMassachusetts Institute of Technology77 Massachusetts AveCambridgeMA02139USA
| | - Kyla A. Remillard
- Division of Medical PhysicsDepartment of Radiation OncologyMassachusetts General Hospital450 Brookline AvenueBostonMA02115USA
| | - Cindy I. Hancox
- Department of Radiation OncologyDana‐Farber Cancer Institute/Brigham and Women's Hospital44 Binney St.BostonMA02115USA
| | - Mandar S. Bhagwat
- Division of Medical PhysicsDepartment of Radiation OncologyMassachusetts General Hospital450 Brookline AvenueBostonMA02115USA
| | - Nicole Machado
- David H. Koch Institute for Integrative Cancer ResearchMassachusetts Institute of Technology500 Main St Building 76CambridgeMA02142USA
| | - Tiffany Hua
- David H. Koch Institute for Integrative Cancer ResearchMassachusetts Institute of Technology500 Main St Building 76CambridgeMA02142USA
| | - Siddartha M. Tamang
- David H. Koch Institute for Integrative Cancer ResearchMassachusetts Institute of Technology500 Main St Building 76CambridgeMA02142USA
| | - Joy E. Collins
- David H. Koch Institute for Integrative Cancer ResearchMassachusetts Institute of Technology500 Main St Building 76CambridgeMA02142USA
| | - Keiko Ishida
- David H. Koch Institute for Integrative Cancer ResearchMassachusetts Institute of Technology500 Main St Building 76CambridgeMA02142USA
| | - Alison Hayward
- David H. Koch Institute for Integrative Cancer ResearchMassachusetts Institute of Technology500 Main St Building 76CambridgeMA02142USA
- Division of Comparative MedicineMassachusetts Institute of TechnologyBuilding 16‐825, 77 Massachusetts AveCambridgeMA02139USA
| | - Sarah L. Becker
- Division of GastroenterologyBrigham and Women's HospitalHarvard Medical School75 Francis St.BostonMA02115USA
| | - Samantha K. Edgington
- Division of Medical PhysicsDepartment of Radiation OncologyMassachusetts General Hospital450 Brookline AvenueBostonMA02115USA
| | - Jonathan D. Schoenfeld
- Department of Radiation OncologyDana‐Farber Cancer Institute/Brigham and Women's Hospital44 Binney St.BostonMA02115USA
| | | | - Chin Hur
- Department of MedicineColumbia University Medical Center622 West 168th Street, PH 9‐105New YorkNY10032USA
- Department of EpidemiologyMailman School of Public Health and Herbert Irving Comprehensive Cancer CenterColumbia University Medical Center722 West 168th St.New YorkNY10032USA
| | - Giovanni Traverso
- Division of GastroenterologyBrigham and Women's HospitalHarvard Medical School75 Francis St.BostonMA02115USA
- Department of Mechanical EngineeringMassachusetts Institute of Technology77 Massachusetts AveCambridgeMA02139USA
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12
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Zheng Z, Zhao X, Zhao Q, Zhang Y, Liu S, Liu Z, Meng L, Xin Y, Jiang X. The Effects of Early Nutritional Intervention on Oral Mucositis and Nutritional Status of Patients With Head and Neck Cancer Treated With Radiotherapy. Front Oncol 2021; 10:595632. [PMID: 33598427 PMCID: PMC7882690 DOI: 10.3389/fonc.2020.595632] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 12/14/2020] [Indexed: 12/16/2022] Open
Abstract
Radiation-induced oral mucositis (RIOM) is a common side effect after radiotherapy (RT) in head and neck cancer (HNC) patients. RIOM patients with severe pain have difficulty in eating, which increases the incidence of malnutrition and affects patients' quality of life and the process of RT. The mechanism of RIOM is not fully understood, and inflammatory response and oxidative stress appear to be important for RIOM occurrence and development. The nutritional status of patients is very important for their RT tolerance and recovery. Malnutrition, which can lead to anemia, low protein, decreased immunity and other problems, is an important clinical factor affecting tumor progression and treatment. Recent studies have shown that early nutritional intervention can ameliorate oral mucositis and nutritional status of patients with HNC. However, in clinical practice, early nutritional intervention for patients with HNC is not a conventional intervention strategy. Therefore, this review summarized the possible pathogenesis of RIOM, commonly used assessment tools for malnutrition in patients, and recent studies on the effects of early nutritional interventions on RIOM and nutritional status of patients with HNC. We hope to provide the basis and reference for the clinical application of early nutritional intervention models.
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Affiliation(s)
- Zhuangzhuang Zheng
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, China
- Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun, China
- NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, China
| | - Xin Zhao
- Department of Orthopedic, The Second Hospital of Jilin University, Changchun, China
| | - Qin Zhao
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, China
- Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun, China
- NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, China
| | - Yuyu Zhang
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, China
- Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun, China
- NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, China
| | - Shiyu Liu
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, China
- Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun, China
- NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, China
| | - Zijing Liu
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, China
- Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun, China
- NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, China
| | - Lingbin Meng
- Department of Hematology and Medical Oncology, Moffitt Cancer Center, Tampa, FL, United States
| | - Ying Xin
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, China
| | - Xin Jiang
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, China
- Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun, China
- NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, China
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13
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Chen J, Bekale LA, Khomtchouk KM, Xia A, Cao Z, Ning S, Knox SJ, Santa Maria PL. Locally administered heparin-binding epidermal growth factor-like growth factor reduces radiation-induced oral mucositis in mice. Sci Rep 2020; 10:17327. [PMID: 33060741 PMCID: PMC7567084 DOI: 10.1038/s41598-020-73875-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Accepted: 09/21/2020] [Indexed: 01/28/2023] Open
Abstract
Oral mucositis refers to lesions of the oral mucosa observed in patients with cancer being treated with radiation with or without chemotherapy, and can significantly affect quality of life. There is a large unmet medical need to prevent oral mucositis that can occur with radiation either alone or in combination with chemotherapy. We investigated the efficacy of locally administered heparin-binding epidermal growth factor-like growth factor (HB-EGF), a potent epithelial proliferation and migration stimulator of the oral mucosa as a potential therapy to prevent radiation induced oral mucositis. Using a single dose (20 Gy) of radiation to the oral cavity of female C57BL/6 J mice, we evaluated the efficacy of HB-EGF treatment (5 µl of 10 µg/ml) solution. The results show that HB-EGF delivered post radiation, significantly increased the area of epithelial thickness on the tongue (dorsal tongue (42,106 vs 53,493 µm2, p < 0.01), ventral tongue (30,793 vs 39,095 µm2, *p < 0.05)) compared to vehicle control, enhanced new epithelial cell division, and increased the quality and quantity of desmosomes in the oral mucosa measured in the tongue and buccal mucosa. This data provides the proof of concept that local administration of HB-EGF has the potential to be developed as a topical treatment to mitigate oral mucositis following radiation.
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Affiliation(s)
- Jing Chen
- Department of Otolaryngology, Head and Neck Surgery, Stanford University, 801 Welch Road, Stanford, CA, 94305-5739, USA
| | - Laurent A Bekale
- Department of Otolaryngology, Head and Neck Surgery, Stanford University, 801 Welch Road, Stanford, CA, 94305-5739, USA.
| | - Kelly M Khomtchouk
- Department of Otolaryngology, Head and Neck Surgery, Stanford University, 801 Welch Road, Stanford, CA, 94305-5739, USA
| | - Anping Xia
- Department of Otolaryngology, Head and Neck Surgery, Stanford University, 801 Welch Road, Stanford, CA, 94305-5739, USA
| | - Zhixin Cao
- Department of Otolaryngology, Head and Neck Surgery, Stanford University, 801 Welch Road, Stanford, CA, 94305-5739, USA
- Department of Pathology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
| | - Shoucheng Ning
- Department of Radiation Oncology, Stanford University, Stanford, CA, 94305, USA
| | - Susan J Knox
- Department of Radiation Oncology, Stanford University, Stanford, CA, 94305, USA
| | - Peter L Santa Maria
- Department of Otolaryngology, Head and Neck Surgery, Stanford University, 801 Welch Road, Stanford, CA, 94305-5739, USA.
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14
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Choi S, Shin S, Lee H, Sohn K, Yoon SY, Kim JW. 1‐Palmitoyl‐2‐linoleoyl‐3‐acetyl‐rac‐glycerol ameliorates chemoradiation‐induced oral mucositis. Oral Dis 2019; 26:111-121. [DOI: 10.1111/odi.13224] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 10/18/2019] [Accepted: 10/29/2019] [Indexed: 12/19/2022]
Affiliation(s)
- Solji Choi
- Division of Systems Biology and Bioengineering Cell Factory Research Center Korea Research Institute of Bioscience and Biotechnology Daejeon Korea
- Department of Functional Genomics University of Science and Technology Daejeon Korea
| | - Su‐Hyun Shin
- Division of Systems Biology and Bioengineering Cell Factory Research Center Korea Research Institute of Bioscience and Biotechnology Daejeon Korea
- Department of Functional Genomics University of Science and Technology Daejeon Korea
| | | | | | | | - Jae Wha Kim
- Division of Systems Biology and Bioengineering Cell Factory Research Center Korea Research Institute of Bioscience and Biotechnology Daejeon Korea
- Department of Functional Genomics University of Science and Technology Daejeon Korea
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15
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Guo Q, Chen S, Rao X, Li Y, Pan M, Fu G, Yao Y, Gao X, Tang P, Zhou Y, Xu X, Gao J, Hua G. Inhibition of SIRT1 promotes taste bud stem cell survival and mitigates radiation-induced oral mucositis in mice. Am J Transl Res 2019; 11:4789-4799. [PMID: 31497199 PMCID: PMC6731402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Accepted: 07/13/2019] [Indexed: 06/10/2023]
Abstract
Taste loss is one of the debilitating complications in radiation-induced oral mucositis (RIOM), as occurs in head and neck cancer patients undergoing radiotherapy. We report here a radio-mitigation effect of Sirtuin 1 (SIRT1) inhibitors in taste bud organoids and a mouse model of radiation-induced taste bud injury. The organoids, developed from circumvallate (CV) papilla, were irradiated with single dose of X-rays and inhibitors of SIRT1 or SIRT2 were added 24 h later. The survival was evaluated by measuring the number and size of regenerated organoids after irradiation (IR). Oral mucositis (OM) was induced by IR of the oral region of Lgr5-lacZ transgenic mice. The surviving Lgr5+ taste bud stem cells were identified after lacZ-staining and the mucosal ulceration on tongue dorsal surface was determined by histological methods. Results showed that SIRT1 inhibitors (nicotinamide, EX527, salermide and sirtinol), but not SIRT2 inhibitors, significantly improve taste bud organoid survival after IR. Remarkably, administration of nicotinamide (NAM), a recognized inhibitor of SIRT1 to mice 24 h after IR promotes the survival of Lgr5+ taste bud stem cells, resulting in alleviated tongue mucositis. In conclusion, SIRT1 inhibitors promote Lgr5+ taste bud stem cell survival and mitigate RIOM in mice. These observations have important implications for efforts to develop therapeutic strategies against taste dysfunction and mucosal ulceration in RIOM.
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Affiliation(s)
- Qiang Guo
- Institute of Radiation Medicine, Shanghai Medical College, Fudan UniversityShanghai 200032, China
| | - Shengzhi Chen
- Institute of Radiation Medicine, Shanghai Medical College, Fudan UniversityShanghai 200032, China
| | - Xinxin Rao
- Institute of Radiation Medicine, Shanghai Medical College, Fudan UniversityShanghai 200032, China
| | - Yuanchuang Li
- Institute of Radiation Medicine, Shanghai Medical College, Fudan UniversityShanghai 200032, China
| | - Mengxue Pan
- Institute of Radiation Medicine, Shanghai Medical College, Fudan UniversityShanghai 200032, China
| | - Guoxiang Fu
- Institute of Radiation Medicine, Shanghai Medical College, Fudan UniversityShanghai 200032, China
| | - Ye Yao
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Fudan UniversityShanghai 200032, China
| | - Xiaoxue Gao
- Institute of Radiation Medicine, Shanghai Medical College, Fudan UniversityShanghai 200032, China
| | - Peiyuan Tang
- Institute of Radiation Medicine, Shanghai Medical College, Fudan UniversityShanghai 200032, China
| | - Yi Zhou
- Institute of Radiation Medicine, Shanghai Medical College, Fudan UniversityShanghai 200032, China
| | - Xiaoya Xu
- Institute of Radiation Medicine, Shanghai Medical College, Fudan UniversityShanghai 200032, China
| | - Jianjun Gao
- Institute of Radiation Medicine, Shanghai Medical College, Fudan UniversityShanghai 200032, China
| | - Guoqiang Hua
- Institute of Radiation Medicine, Shanghai Medical College, Fudan UniversityShanghai 200032, China
- Cancer Institute, Fudan University Shanghai Cancer Center, Fudan UniversityShanghai 200032, China
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16
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miR-200c Modulates the Pathogenesis of Radiation-Induced Oral Mucositis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:2352079. [PMID: 31346357 PMCID: PMC6620860 DOI: 10.1155/2019/2352079] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/03/2019] [Accepted: 04/28/2019] [Indexed: 01/12/2023]
Abstract
Radiation-induced oral mucositis (RIOM) is one of the most common side effects of radiotherapy in cancer patients, especially in almost all head and neck cancer patients. It presents as severe pain and ulceration. The development of RIOM is composed of five stages: initiation, primary damage response, signal amplification, ulceration, and healing. However, the key regulators involved in the RIOM pathogenesis remain largely unknown. In this study, we reveal a novel role of miR-200c, a member of the miR-200 family, in modulating RIOM pathogenesis. Using a mouse model mimicking RIOM, we found that the miR-200 family numbers (miR-141, miR-200a, miR-200b, and miR-200c) except miR-429 were significantly induced during the RIOM formation. Besides, in RIOM mice, miR-200c expression level was also increased dramatically in the normal human keratinocytes (NHKs) after irradiation. Knockdown of miR-200c expression with miR-200c-3p-shRNA significantly reduced senescence phenotype and enhanced cell proliferation in NHKs after irradiation. The generation of reactive oxygen species (ROS) and p47 enzyme involved in ROS production was increased after irradiation but both were markedly reduced in NHKs by miR-200c inhibition. Knockdown of miR-200c expression in NHKs increased DNA double-strand break repair after irradiation compared with control NHKs. Furthermore, miR-200c inhibition repressed the production of proinflammatory cytokines (TGF-β, TNF-α, and IL-1α) via inhibiting NF-κB and Smad2 activation in NHKs exposed to IR. Additionally, miR-200c inhibition promoted NHK migration and increased the expression of molecules that regulate epithelial to mesenchymal transition, including Snail, Vimentin, Zeb1, and Bmi-1. These results not only identify the key role of miR-200c in the pathogenesis of RIOM but also provide a novel therapeutic target to treat RIOM.
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17
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Ueno H, Suemitsu S, Murakami S, Kitamura N, Wani K, Matsumoto Y, Okamoto M, Ishihara T. Region-specific reduction of parvalbumin neurons and behavioral changes in adult mice following single exposure to cranial irradiation. Int J Radiat Biol 2019; 95:611-625. [PMID: 30601685 DOI: 10.1080/09553002.2019.1564081] [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: 10/27/2022]
Abstract
PURPOSE Ionizing irradiation has several long-term effects including progressive cognitive impairment. Cognitive deterioration generally appears to be caused by abnormalities in the hippocampal dentate gyrus, with abnormal function of parvalbumin-expressing interneurons (PV neurons) in the cerebral cortex. PV neurons are vulnerable to oxidative stress, which can be caused by ionizing irradiation. We speculated that selective impairment of specific brain regions due to ionizing irradiation may alter the degree of cognitive impairment. METHODS We irradiated mature mouse brains with 20 Gy-ionizing irradiation. Subsequently, we analyzed behavioral abnormalities and changes in the number of PV neurons. RESULTS PV neuron density was significantly lower in some cortical regions of irradiated mice than in control mice. Within 1 week of irradiation, both body weight and temperature of irradiated mice decreased. In the forced swim test, irradiated mice spent significantly less time immobile than did control mice. However, irradiated mice did not display any abnormalities in the elevated plus maze test, Y-maze test, tail suspension test, and social interaction test between 3 to 6 days after irradiation. CONCLUSIONS These results suggest that high-dose irradiation is less likely to cause brain dysfunction in the subacute phase. Moreover, the vulnerability of PV neurons appears to be brain-region specific.
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Affiliation(s)
- Hiroshi Ueno
- a Department of Medical Technology , Kawasaki University of Medical Welfare , Okayama , Japan.,b Department of Medical Technology, Graduate School of Health Sciences , Okayama University , Okayama , Japan
| | - Shunsuke Suemitsu
- c Department of Psychiatry , Kawasaki Medical School , Kurashiki , Japan
| | - Shinji Murakami
- c Department of Psychiatry , Kawasaki Medical School , Kurashiki , Japan
| | - Naoya Kitamura
- c Department of Psychiatry , Kawasaki Medical School , Kurashiki , Japan
| | - Kenta Wani
- c Department of Psychiatry , Kawasaki Medical School , Kurashiki , Japan
| | - Yosuke Matsumoto
- d Department of Neuropsychiatry, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences , Okayama University , Okayama , Japan
| | - Motoi Okamoto
- b Department of Medical Technology, Graduate School of Health Sciences , Okayama University , Okayama , Japan
| | - Takeshi Ishihara
- c Department of Psychiatry , Kawasaki Medical School , Kurashiki , Japan
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18
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Yang C, Tang H, Wang L, Peng R, Bai F, Shan Y, Yu Z, Zhou P, Cong Y. Dimethyl Sulfoxide Prevents Radiation-Induced Oral Mucositis Through Facilitating DNA Double-Strand Break Repair in Epithelial Stem Cells. Int J Radiat Oncol Biol Phys 2018; 102:1577-1589. [PMID: 30092334 DOI: 10.1016/j.ijrobp.2018.07.2010] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Revised: 07/20/2018] [Accepted: 07/23/2018] [Indexed: 11/25/2022]
Abstract
PURPOSE Oral mucositis is one of the most prevalent side effects in patients undergoing radiation therapy for head and neck cancers. Current therapeutic agents such as palifermin recombinant human keratinocyte growth factor and amifostine do not efficiently or fully prevent mucositis. Dimethyl sulfoxide (DMSO), a free-radical scavenger, has shown therapeutic benefits in many preclinical and clinical studies. This study aimed to investigate the efficacy of DMSO in a clinically relevant mouse model of acute, radiation-induced oral mucositis. METHODS AND MATERIALS Oral mucositis was induced by a high single and fractioned irradiation of the head and neck area in C57BL/6J mice, and the effects of DMSO (by intraperitoneal injection) were assessed by macroscopic and histopathological examination. Epithelial stem and progenitor cells were analyzed by immunohistochemical staining of p63 and Ki-67, and DNA double-strand breaks (DSBs) were visualized by immunofluorescence detection of γ-H2AX. Tumor xenograft was obtained using CAL-27 cells. RESULTS Pretreatment with DMSO protected the oral mucosa from severe acute radiation injury, reduced the extent of radiation-induced weight loss, and had no significant effects on tumor weight in irradiated or nonirradiated xenograft mice. Furthermore, the efficacy of DMSO was superior to that of recombinant human keratinocyte growth factor and amifostine. DMSO treatment prevented the loss of proliferative lingual epithelial stem and progenitor cells upon irradiation. More interestingly, the average levels of γ-H2AX foci were significantly decreased in p63-positive epithelial stem cells at 6 hours, but not at 2 hours, after irradiation, indicating that DMSO facilitated DNA DSB repair rather than suppressing the indirect action of irradiation. CONCLUSIONS DMSO prevents the loss of proliferative lingual epithelial stem and progenitor cells upon irradiation by facilitating DNA DSB repair, thereby protecting against radiation-induced mucositis without tumor protection. Given its high efficacy and low toxicity, DMSO could be a potential treatment option to prevent radiation-induced oral mucositis.
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Affiliation(s)
- Chao Yang
- School of Radiation Medicine and Protection, Medical College of Soochow University, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Suzhou, Jiangsu, PR China; Department of Pathophysiology, Beijing Institute of Radiation Medicine, Beijing Key Laboratory for Radiobiology, Beijing, PR China
| | - Hongwei Tang
- Department of Gastroenterology, Hospital of Tsinghua Changgung, Beijing, PR China
| | - Limei Wang
- Department of Pathophysiology, Beijing Institute of Radiation Medicine, Beijing Key Laboratory for Radiobiology, Beijing, PR China
| | - Renjun Peng
- Department of Pathophysiology, Beijing Institute of Radiation Medicine, Beijing Key Laboratory for Radiobiology, Beijing, PR China
| | - Fan Bai
- Department of Pathophysiology, Beijing Institute of Radiation Medicine, Beijing Key Laboratory for Radiobiology, Beijing, PR China
| | - Yajun Shan
- Department of Pathophysiology, Beijing Institute of Radiation Medicine, Beijing Key Laboratory for Radiobiology, Beijing, PR China
| | - Zuyin Yu
- Department of Pathophysiology, Beijing Institute of Radiation Medicine, Beijing Key Laboratory for Radiobiology, Beijing, PR China
| | - Pingkun Zhou
- School of Radiation Medicine and Protection, Medical College of Soochow University, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Suzhou, Jiangsu, PR China; Department of Radiation Toxicology and Oncology, Beijing Institute of Radiation Medicine, Beijing Key Laboratory for Radiobiology (BKLRB), Beijing, PR China.
| | - Yuwen Cong
- Department of Pathophysiology, Beijing Institute of Radiation Medicine, Beijing Key Laboratory for Radiobiology, Beijing, PR China.
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