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Yoneda J, Nishikawa S, Kurihara S. Oral administration of cystine and theanine attenuates 5-fluorouracil-induced intestinal mucositis and diarrhea by suppressing both glutathione level decrease and ROS production in the small intestine of mucositis mouse model. BMC Cancer 2021; 21:1343. [PMID: 34922485 PMCID: PMC8684148 DOI: 10.1186/s12885-021-09057-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 11/17/2021] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Chemotherapy is frequently used in cancer treatment; however, it may cause adverse events, which must be managed. Reactive oxygen species (ROS) have been reported to be involved in the induction of intestinal mucositis and diarrhea, which are common side effects of treatment with fluoropyrimidine 5-fluorouracil (5-FU). Our previous studies have shown that oral administration of cystine and theanine (CT) increases glutathione (GSH) production in vivo. In the present study, we hypothesized that CT might inhibit oxidative stress, including the overproduction of ROS, and attenuate 5-FU-induced mucositis and diarrhea. METHODS We investigated the inhibitory effect of CT administration on mucositis and diarrhea, as well as its mechanism, using a mouse model of 5-FU-induced intestinal mucositis. RESULTS CT administration suppressed 5-FU-induced diarrhea and weight loss in the studied mice. After 5-FU administration, the GSH level and the GSH/GSSG ratio in the small intestine mucosal tissue decreased compared to normal control group; but CT administration improved the GSH/GSSG ratio to normal control levels. 5-FU induced ROS production in the basal region of the crypt of the small intestine mucosal tissue, which was inhibited by CT. CT did not affect the antitumor effect of 5-FU. CONCLUSIONS CT administration suppressed intestinal mucositis and diarrhea in a mouse model. This finding might be associated with the antioxidant characteristics of CT, including the improved rate of GSH redox and the reduced rate of ROS production in the small intestine mucosal tissue. CT might be a suitable candidate for the treatment of gastrointestinal mucositis associated with chemotherapy.
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Affiliation(s)
- Junya Yoneda
- Research Institute For Bioscience Products & Fine Chemicals Ajinomoto Co., Inc., 1-1, Suzuki-Cho, Kawasaki-ku, Kawasaki-shi, 210-8681, Japan.
| | - Sachiko Nishikawa
- Research Institute For Bioscience Products & Fine Chemicals Ajinomoto Co., Inc., 1-1, Suzuki-Cho, Kawasaki-ku, Kawasaki-shi, 210-8681, Japan
| | - Shigekazu Kurihara
- Research Institute For Bioscience Products & Fine Chemicals Ajinomoto Co., Inc., 1-1, Suzuki-Cho, Kawasaki-ku, Kawasaki-shi, 210-8681, Japan
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Chen C, Zhang Q, Yu W, Chang B, Le AD. Oral Mucositis: An Update on Innate Immunity and New Interventional Targets. J Dent Res 2020; 99:1122-1130. [PMID: 32479139 DOI: 10.1177/0022034520925421] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Oral mucositis (OM), a common debilitating toxicity associated with chemo- and radiation therapies, is a significant unmet clinical need for head and neck cancer patients. The biological complexities of chemoradiotherapy-induced OM involve interactions among disrupted tissue structures, inflammatory infiltrations, and oral microbiome, whereby several master inflammatory pathways constitute the complicated regulatory networks. Oral mucosal damages triggered by chemoradiotherapy-induced cell apoptosis were further exacerbated by the amplified inflammatory cascades dominantly governed by the innate immune responses. The coexistence of microbiome and innate immune components in oral mucosal barriers indicates that a signaling hub coordinates the interaction between environmental cues and host cells during tissue and immune homeostasis. Dysbiotic shifts in oral microbiota caused by cytotoxic cancer therapies may also contribute to the progression and severity of chemoradiotherapy-induced OM. In this review, we have updated the mechanisms involving innate immunity-governed inflammatory cascades in the pathobiology of chemoradiotherapy-induced OM and the development of new interventional targets for the management of this severe morbidity in head and neck cancer patients.
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Affiliation(s)
- C Chen
- Department of Oral & Maxillofacial Surgery & Pharmacology, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, USA.,Center of Innovation & Precision Dentistry, School of Dental Medicine, School of Engineering and Applied Sciences, University of Pennsylvania, Philadelphia, PA, USA
| | - Q Zhang
- Department of Oral & Maxillofacial Surgery & Pharmacology, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - W Yu
- Department of Orthodontics, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - B Chang
- Department of Oral & Maxillofacial Surgery & Pharmacology, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, USA.,Department of Oral & Maxillofacial Surgery, Penn Medicine Hospital of the University of Pennsylvania, Philadelphia, PA, USA
| | - A D Le
- Department of Oral & Maxillofacial Surgery & Pharmacology, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, USA.,Center of Innovation & Precision Dentistry, School of Dental Medicine, School of Engineering and Applied Sciences, University of Pennsylvania, Philadelphia, PA, USA.,Department of Oral & Maxillofacial Surgery, Penn Medicine Hospital of the University of Pennsylvania, Philadelphia, PA, USA
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Lee JM, Yoo IK, Lee JM, Kim SH, Choi HS, Kim ES, Keum B, Seo YS, Jeen YT, Chun HJ, Lee HS, Um SH, Kim CD. Dipeptidyl-peptidase-4 (DPP-4) inhibitor ameliorates 5-flurouracil induced intestinal mucositis. BMC Cancer 2019; 19:1016. [PMID: 31664952 PMCID: PMC6819400 DOI: 10.1186/s12885-019-6231-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Accepted: 10/01/2019] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Chemotherapy-induced alimentary mucositis (AM) is difficult to prevent and treatment is rarely effective. Recent study have been showed that glucagon-like peptide (GLP)-1 and GLP-2 has protective in chemotherapy-induced AM. While the DPP-4 enzyme degrades this GLP-1, the DPP-4 inhibitor blocks the degradation process and raises the concentration of GLP-1. This study aimed to assess the role of DPP-4 inhibitor, a well-known hypoglycemic agent, on chemotherapy-induced AM. METHODS Twenty-four 6-week-old male C57BL/6 mice were divided into 4 groups: control, 5-fluorouracil (5-FU), DPP-4 inhibitor, and saline (DPP-4i), and DPP-4 inhibitor and 5-FU (DPP-4i + 5-FU). Mucositis was induced by intraperitoneal injection of 5-FU (400 mg/kg). DPP-4 inhibitor (50 mg/kg) was administered orally for four days starting the day before 5-FU administration. Post 72 h of 5-FU injection, mice were sacrificed and body weight change, diarrhea score, villus height, villus/crypt ratio, histologic characteristics including goblet cell count, and mRNA expression of inflammatory cytokines tumor necrosis factor (TNF)-α and interleukin (IL)-6, were assessed. RESULTS Daily body weight change was not statistically significant between the 5-FU and the DPP-4i + 5-FU group (P = 0.571). Diarrhea score was significantly different between these two groups (P = 0.033). In the 5-FU group, the villus height was not maintained well, the epithelial lining was irregular, and inflammatory cell infiltration was observed. Goblet cell count in the DPP-4i + 5-FU group was significantly higher than in the 5-FU group (P = 0.007). However, in the DPP-4i + 5-FU group, the villus height, epithelial lining, and crypt structure were better maintained than in the 5-FU group. Compared with the control group, mRNA expression of TNF-α was significantly up-regulated in the 5-FU group. Moreover, mRNA expression of TNF-α in the DPP-4i + 5-FU group was down-regulated compared to the 5-FU group. However, IL-6 in the 5-FU group was significantly down-regulated compared to the control, there was no significant difference in expression of IL-6 between the 5-FU and DPP4i + 5-FU group. CONCLUSION DPP-4 inhibitor can improve 5-FU induced AM and, therefore, has potential as an alternative treatment for chemotherapy-induced AM.
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Affiliation(s)
- Jung Min Lee
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Korea University College of Medicine, Seoul, South Korea.,Division of Gastroenterology and Hepatology, Department of Internal Medicine, Wonkwang University Sanbon Medical Center, Gunpo, South Korea
| | - In Kyung Yoo
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Korea University College of Medicine, Seoul, South Korea
| | - Jae Min Lee
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Korea University College of Medicine, Seoul, South Korea
| | - Seung Han Kim
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Korea University College of Medicine, Seoul, South Korea
| | - Hyuk Soon Choi
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Korea University College of Medicine, Seoul, South Korea
| | - Eun Sun Kim
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Korea University College of Medicine, Seoul, South Korea
| | - Bora Keum
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Korea University College of Medicine, Seoul, South Korea
| | - Yeon Seok Seo
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Korea University College of Medicine, Seoul, South Korea
| | - Yoon Tae Jeen
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Korea University College of Medicine, Seoul, South Korea
| | - Hoon Jai Chun
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Korea University College of Medicine, Seoul, South Korea.
| | - Hong Sik Lee
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Korea University College of Medicine, Seoul, South Korea
| | - Soon Ho Um
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Korea University College of Medicine, Seoul, South Korea
| | - Chang Duck Kim
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Korea University College of Medicine, Seoul, South Korea
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Kim DR, Kim J, Oh JY, Kim HY, Kim YJ, Chang MS. Protective effect of Salvia miltiorrhiza Bunge on 5-fluorouracil-induced oral mucositis. Int J Mol Med 2017; 40:39-46. [PMID: 28535007 PMCID: PMC5466380 DOI: 10.3892/ijmm.2017.2999] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Accepted: 04/28/2017] [Indexed: 11/24/2022] Open
Abstract
Oral mucositis is a common side-effect caused by chemotherapy or radiotherapy occurring in the majority of cancer patients and is characterized by inflammation and ulcers in the oral mucosa. In the present study, we examined the protective effects of Salvia miltiorrhiza Bunge (SM) on oral mucositis induced by 5-fluorouracil (5-FU) in human pharyngeal cells and golden Syrian hamsters. We investigated the proliferation and antioxidant abilities of SM using MTT, 2-diphenyl-1-picrylhydrazyl (DPPH) and reactive oxygen species (ROS) assays in vitro. Additionally, TUNEL assay was performed, and the expression levels of nuclear factor-κB (NF-κB), caspase-3 and proinflammatory cytokines were assessed by immunoblotting. The results showed that SM increased the cell proliferation rate in human pharyngeal cells up to 128.97±9.7% compared with this rate in the untreated cells and exerted protective effects on mucosal injury caused by 5-FU treatment. In addition, all concentrations of SM increased DPPH scavenging ability and blocked ROS generation in the treated cells. Taken together, following SM treatment, expression of NF-κB and cleaved caspase-3 were significantly decreased followed by inhibition of cell death. These data suggest that SM could be used for the prevention and treatment of oral mucositis caused by cancer therapies.
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Affiliation(s)
- Do Rim Kim
- Department of Prescriptionology, College of Korean Medicine, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Jinsung Kim
- Department of Gastroenterology, College of Korean Medicine, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Ja Young Oh
- Department of Gastroenterology, Graduate School, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Ha Young Kim
- Department of Prescriptionology, College of Korean Medicine, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Young Joo Kim
- Department of Prescriptionology, College of Korean Medicine, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Mun Seog Chang
- Department of Prescriptionology, College of Korean Medicine, Kyung Hee University, Seoul 130-701, Republic of Korea
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Oral Mucositis: Melatonin Gel an Effective New Treatment. Int J Mol Sci 2017; 18:ijms18051003. [PMID: 28481279 PMCID: PMC5454916 DOI: 10.3390/ijms18051003] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Revised: 04/19/2017] [Accepted: 05/03/2017] [Indexed: 12/12/2022] Open
Abstract
The current treatment for cervico-facial cancer involves radio and/or chemotherapy. Unfortunately, cancer therapies can lead to local and systemic complications such as mucositis, which is the most common dose-dependent complication in the oral cavity and gastrointestinal tract. Mucositis can cause a considerably reduced quality of life in cancer patients already suffering from physical and psychological exhaustion. However, the role of melatonin in the treatment of mucositis has recently been investigated, and offers an effective alternative therapy in the prevention and/or management of radio and/or chemotherapy-induced mucositis. This review focuses on the pathobiology and management of mucositis in order to improve the quality of cancer patients' lives.
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Kobya Bulut H, Güdücü Tüfekci F. Honey prevents oral mocositis in children undergoing chemotherapy: A quasi-experimental study with a control group. Complement Ther Med 2016; 29:132-140. [PMID: 27912937 DOI: 10.1016/j.ctim.2016.09.018] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Revised: 08/01/2016] [Accepted: 09/19/2016] [Indexed: 10/21/2022] Open
Abstract
BACKGROUND There are numerous pharmacological and non-pharmacological treatment options available in the treatment of oral mucositis. However, in spite of so many methods and products, medical professionals have not come to a consensus as to which of these offer the best results. OBJECTIVES This study was conducted to assess the effect of oral care with honey on children undergoing chemotherapy for the prevention and healing of oral mucositis. METHODS This quasi-experimental study was conducted on children undergoing chemotherapy. The study group consisted of 83 children who attended clinics and polyclinics for chemotherapy. All the children were included in the study period. The study was completed with a total of 76 children except for seven patients who were excluded from the study. The data were collected using a form and the World Health Organization Mucositis Assessment Index. The data were analyzed using percentage distributions, means, a chi-square test, a t-test, a variance analysis, and a Friedman test. Ethics approval of the study was obtained from the Institution Ethics Committee. RESULTS It was found that the severity of oral mucositis in the children in the experimental group was significantly less than the control group. The mucositis recovery period in the experimental group was significantly shorter than the control group. CONCLUSION Regular oral care with honey for children undergoing chemotherapy for hematological cancers prevents mucositis and also accelerates recovery of it when started after mucositis onset.
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Affiliation(s)
- Hacer Kobya Bulut
- Karadeniz Technical University Health Science Faculty, Trabzon, Turkey.
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7
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Abstract
Mucositis is among the most debilitating side effects of radiotherapy, chemotherapy, and targeted anticancer therapy. Research continues to escalate regarding key issues such as etiopathology, incidence and severity across different mucosae, relationships between mucosal and nonmucosal toxicities, and risk factors. This approach is being translated into enhanced management strategies. Recent technology advances provide an important foundation for this continuum. For example, evolution of applied genomics is fostering development of new algorithms to rapidly screen genomewide single-nucleotide polymorphisms (SNPs) for patient-associated risk prediction. This modeling will permit individual tailoring of the most effective, least toxic treatment in the future. The evolution of novel cancer therapeutics is changing the mucositis toxicity profile. These agents can be associated with unique mechanisms of mucosal damage. Additional research is needed to optimally manage toxicity caused by agents such as mammalian target of rapamycin (mTOR) inhibitors and tyrosine kinase inhibitors, without reducing antitumor effect. There has similarly been heightened attention across the health professions regarding clinical practice guidelines for mucositis management in the years following the first published guidelines in 2004. New opportunities exist to more effectively interface this collective guideline portfolio by capitalizing upon novel technologies such as an Internet-based Wiki platform. Substantive progress thus continues across many domains associated with mucosal injury in oncology patients. In addition to enhancing oncology patient care, these advances are being integrated into high-impact educational and scientific venues including the National Cancer Institute Physician Data Query (PDQ) portfolio as well as a new Gordon Research Conference on mucosal health and disease scheduled for June 2013.
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Affiliation(s)
- Douglas E Peterson
- From the Department of Oral Health and Diagnostic Sciences, School of Dental Medicine, Neag Comprehensive Cancer Center, University of Connecticut Health Center, Farmington, CT; University of Adelaide, Adelaide, Australia; Harvard School of Dental Medicine, Brigham and Women's Hospital and the Dana-Farber Cancer Institute, and Biomodels, LLC, Boston, MA
| | - Dorothy M Keefe
- From the Department of Oral Health and Diagnostic Sciences, School of Dental Medicine, Neag Comprehensive Cancer Center, University of Connecticut Health Center, Farmington, CT; University of Adelaide, Adelaide, Australia; Harvard School of Dental Medicine, Brigham and Women's Hospital and the Dana-Farber Cancer Institute, and Biomodels, LLC, Boston, MA
| | - Stephen T Sonis
- From the Department of Oral Health and Diagnostic Sciences, School of Dental Medicine, Neag Comprehensive Cancer Center, University of Connecticut Health Center, Farmington, CT; University of Adelaide, Adelaide, Australia; Harvard School of Dental Medicine, Brigham and Women's Hospital and the Dana-Farber Cancer Institute, and Biomodels, LLC, Boston, MA
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8
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Martin J, Howard SC, Pillai A, Vogel P, Naren AP, Davis S, Ringwald- Smith K, Buddington K, Buddington RK. The weaned pig as a model for Doxorubicin-induced mucositis. Chemotherapy 2014; 60:24-36. [PMID: 25341697 PMCID: PMC7762628 DOI: 10.1159/000365725] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2014] [Accepted: 07/03/2014] [Indexed: 01/23/2023]
Abstract
BACKGROUND Chemotherapy-induced mucositis (CIM) complicates cancer therapy and limits maximum tolerated doses and efficacy. Rodent models do not reproducibly mimic clinical CIM, so alternative models are needed. METHODS CIM severity was assessed after weaned pigs were treated with doxorubicin (5 and 3.75 mg/kg) using clinical observations, laboratory parameters and gastrointestinal structure and functions. Bovine colostrum was provided as an experimental intervention to the pigs treated receiving the 3.75 mg/kg dose. RESULTS Doxorubin at 3.75 mg/kg decreased food intake and weight gain (p < 0.05) and caused diarrhea and vomiting that coincided with damage to the small intestine mucosa based on histological scoring (p < 0.05). It resulted in higher serum TNF-α concentrations, increased chloride secretion and reduced brush border membrane disaccharidase activities and carrier-mediated glucose uptake (all p < 0.05). The gastrointestinal damage and dysfunction resemble the clinical and laboratory features of CIM in humans; these can be partially prevented by providing cow colostrum. CONCLUSION The weaned pig is a relevant large animal for studying CIM and evaluating existing and experimental interventions for mucositis.
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Affiliation(s)
- Jamee Martin
- Department of Health and Sport Sciences, University of Memphis, Memphis, Tenn., USA
| | - Scott C. Howard
- Department of Oncology and International Outreach Program, Memphis, Tenn., USA
| | - Asha Pillai
- Department of Bone Marrow Transplantation and Cellular Therapy, Memphis, Tenn., USA
| | - Peter Vogel
- Department of Pathology, St. Jude Children’s Research Hospital, Memphis, Tenn., USA
| | - Anjaparavanda P. Naren
- Department of Pediatrics, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
| | - Steven Davis
- Department of Abbott Nutrition, Columbus, Ohio, USA
| | - Karen Ringwald- Smith
- Department of Clinical Nutrition, St. Jude Children’s Research Hospital, Memphis, Tenn., USA
| | - Karyl Buddington
- Department of Animal Care Facilities, University of Memphis, Memphis, Tenn., USA
| | - Randal K. Buddington
- Department of Health and Sport Sciences, University of Memphis, Memphis, Tenn., USA
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Local and systemic pathogenesis and consequences of regimen-induced inflammatory responses in patients with head and neck cancer receiving chemoradiation. Mediators Inflamm 2014; 2014:518261. [PMID: 24757285 PMCID: PMC3976778 DOI: 10.1155/2014/518261] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2013] [Accepted: 01/27/2014] [Indexed: 02/06/2023] Open
Abstract
Treatment-related toxicities are common among patients with head and neck cancer, leading to poor clinical outcomes, reduced quality of life, and increased use of healthcare resources. Over the last decade, much has been learned about the pathogenesis of cancer regimen-related toxicities. Historically, toxicities were separated into those associated with tissue injury and those with behavioural or systemic changes. However, it is now clear that tissue-specific damage such as mucositis, dermatitis, or fibrosis is no longer the sole consequence of direct clonogenic cell death, and a relationship between toxicities that results in their presentation as symptom clusters has been documented and attributed to a common underlying pathobiology. In addition, the finding that patients commonly develop toxicities representing tissue injury outside radiation fields and side effects such as fatigue or cognitive dysfunction suggests the generation of systemic as well as local mediators. As a consequence, it might be appropriate to consider toxicity syndromes, rather than the traditional approach, in which each side effect was considered as an autonomous entity. In this paper, we propose a biologically based explanation which forms the basis for the diverse constellation of toxicities seen in response to current regimens used to treat cancers of the head and neck.
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Chimonanthus nitens var. salicifolius Aqueous Extract Protects against 5-Fluorouracil Induced Gastrointestinal Mucositis in a Mouse Model. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2013; 2013:789263. [PMID: 24367389 PMCID: PMC3866771 DOI: 10.1155/2013/789263] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/19/2013] [Revised: 09/08/2013] [Accepted: 09/16/2013] [Indexed: 12/29/2022]
Abstract
Gastrointestinal mucositis is a major side effect of chemotherapy, leading to life quality reduction in patients and interrupting the therapy of cancer. Chimonanthus nitens var. salicifolius (CS) is a traditional Chinese herb for enteral disease. Considering the protective effect of CS on intestine, we hypothesize that the aqueous extract of CS could be benefcial to gastrointestinal mucositis. To verify this, a mouse mucositis model was induced by 5-Fluorouracil (5-Fu). Male Balb/C mice were treated with CS aqueous extract (5, 10, and 20 g/kg) or loperamide (0.2 mg/kg) intragastrically for 11 days, and the severity of mucositis was evaluated. Furthermore, the chemical compounds of CS aqueous extract were also analysed by high-performance liquid chromatography (HPLC). Our results demonstrated that CS aqueous extract improved mice body weight, diarrhoea, and faecal blood, maintained the liver function and intestinal length, alleviated villus shortening, and suppressed the apoptosis and inflammation in small intestine. We concluded that CS could protect mice against 5-Fu induced mucositis by inhibiting apoptosis and inflammation, and this protective effect might be associated with the 3 flavonoids (rutin, quercetin, and kaempferol) identified in CS aqueous extract.
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Lima-Júnior RCP, Figueiredo AA, Freitas HC, Melo MLP, Wong DVT, Leite CAVG, Medeiros RP, Marques-Neto RD, Vale ML, Brito GAC, Oriá RB, Souza MHLP, Cunha FQ, Ribeiro RA. Involvement of nitric oxide on the pathogenesis of irinotecan-induced intestinal mucositis: role of cytokines on inducible nitric oxide synthase activation. Cancer Chemother Pharmacol 2011; 69:931-42. [PMID: 22101361 DOI: 10.1007/s00280-011-1780-z] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2011] [Accepted: 11/07/2011] [Indexed: 12/17/2022]
Abstract
PURPOSE Intestinal mucositis and the closely associated diarrhea are common costly side effects of irinotecan. Cytokine modulators, such as thalidomide and pentoxifylline, are found capable of attenuating intestinal mucositis progression. Nitric oxide (NO) seems to be a key mediator of the antineoplastic drug toxicity. The aim of this study was to investigate the role of NO on the pathogenesis of intestinal mucositis, as well as the participation of cytokines upon inducible nitric oxide synthase (iNOS) expression in irinotecan-induced intestinal mucositis. METHODS iNOS-knockout (iNOS(-/-)) and C57BL/6 (WT, wild type) animals (n = 5-6) were given either saline or irinotecan (60 mg/kg i.p for 4 days), with or without pretreatment with aminoguanidine (50 mg/kg s.c.), thalidomide (60 mg/kg s.c), infliximab (5 mg/kg i.v.), or pentoxifylline (1.7 mg/kg s.c). On day 5, diarrhea was assessed, and following euthanasia, proximal intestinal samples were obtained for myeloperoxidase (MPO) and iNOS activity, morphometric analysis, western blot and immunohistochemistry to iNOS, cytokine dosage, and for in vitro evaluation of gut contractility. RESULTS Irinotecan induced severe diarrhea and intestinal smooth muscle over-contractility, accompanied with histopathological changes. Additionally, increased MPO and iNOS activity and iNOS immunoexpression were found in WT animals treated with irinotecan. The rise in MPO, smooth muscle over-contractility, and diarrhea were abrogated in aminoguanidine-treated and iNOS(-/-) mice. Moreover, through western blot, we verified that infliximab and pentoxifylline significantly inhibited irinotecan-induced iNOS expression. In addition, cytokine concentration was found only partially decreased in irinotecan-treated iNOS(-/-) mice when compared with wild-type animals that were given irinotecan. CONCLUSIONS This study suggests a role of nitric oxide in the pathogenesis of irinotecan-induced intestinal mucositis and also provides evidence for the participation of cytokines on iNOS induction.
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Affiliation(s)
- Roberto César P Lima-Júnior
- Department of Physiology and Pharmacology, Faculty of Medicine, Federal University of Ceará, Rua Cel Nunes de Melo, 1315 Rodolfo Teófilo, Fortaleza, Ceará 60430-270, Brazil
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Zhang Q, Nguyen AL, Shi S, Hill C, Wilder-Smith P, Krasieva TB, Le AD. Three-dimensional spheroid culture of human gingiva-derived mesenchymal stem cells enhances mitigation of chemotherapy-induced oral mucositis. Stem Cells Dev 2011; 21:937-47. [PMID: 21689066 DOI: 10.1089/scd.2011.0252] [Citation(s) in RCA: 139] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Mesenchymal stem cells (MSCs) are capable of regenerative and immunomodulatory functions in cell-based therapies in a variety of human diseases and injuries; however, their therapeutic efficacy and potential side effects remain major obstacles in clinical applications. We report here a 3D spheroid culture approach to optimize stem cell properties and therapeutic effects of human gingiva-derived mesenchymal stem cells (GMSCs) in mitigation of experimental oral mucositis. Under growth condition of ultra-low attachment, GMSCs spontaneously aggregated into 3D spheroids and exhibited distinct early stem cell phenotype characterized by elevated expression Stro-1 and CXC chemokine receptor 4 (CXCR-4) as well as OCT-4 and Nanog, 2 important transcriptional factors relevant to stem cell properties, and decreased expression of MSC-associated markers, including CD29, CD90, and CD105. Functionally, spheroid GMSCs are capable of enhanced multipotency and augmented secretion of several chemokines and cytokines relevant to cell migration, survival, and angiogenesis. More importantly, spheroid GMSCs expressed increased levels of reactive oxygen species, hypoxia-inducible factor (HIF)-1 and -2α, and manganese superoxide dismutase, which correlated with improved resistance to oxidative stress-induced apoptosis. Using an in vivo murine model of chemotherapy-induced oral mucositis, we demonstrated that spheroid-derived GMSCs possessed better therapeutic efficacy than their adherent cells in reversing body weight loss and promoting the regeneration of disrupted epithelial lining of the mucositic tongues. These findings suggest that 3D spheroid culture allows early stemness preservation and potentially precondition GMSCs for enhanced mitigation of oral mucositis.
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Affiliation(s)
- Qunzhou Zhang
- Center for Craniofacial Molecular Biology, The Herman Ostrow School of Dentistry of University of Southern California, Los Angeles, California 90033, USA
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Lüer S, Troller R, Jetter M, Spaniol V, Aebi C. Topical curcumin can inhibit deleterious effects of upper respiratory tract bacteria on human oropharyngeal cells in vitro: potential role for patients with cancer therapy induced mucositis? Support Care Cancer 2010; 19:799-806. [DOI: 10.1007/s00520-010-0894-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2010] [Accepted: 04/23/2010] [Indexed: 11/24/2022]
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