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Hirano SI, Takefuji Y. Molecular Hydrogen Protects against Various Tissue Injuries from Side Effects of Anticancer Drugs by Reducing Oxidative Stress and Inflammation. Biomedicines 2024; 12:1591. [PMID: 39062164 PMCID: PMC11274581 DOI: 10.3390/biomedicines12071591] [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: 05/08/2024] [Revised: 07/07/2024] [Accepted: 07/15/2024] [Indexed: 07/28/2024] Open
Abstract
While drug therapy plays a crucial role in cancer treatment, many anticancer drugs, particularly cytotoxic and molecular-targeted drugs, cause severe side effects, which often limit the dosage of these drugs. Efforts have been made to alleviate these side effects by developing derivatives, analogues, and liposome formulations of existing anticancer drugs and by combining anticancer drugs with substances that reduce side effects. However, these approaches have not been sufficiently effective in reducing side effects. Molecular hydrogen (H2) has shown promise in this regard. It directly reduces reactive oxygen species, which have very strong oxidative capacity, and indirectly exerts antioxidant, anti-inflammatory, and anti-apoptotic effects by regulating gene expression. Its clinical application in various diseases has been expanded worldwide. Although H2 has been reported to reduce the side effects of anticancer drugs in animal studies and clinical trials, the underlying molecular mechanisms remain unclear. Our comprehensive literature review revealed that H2 protects against tissue injuries induced by cisplatin, oxaliplatin, doxorubicin, bleomycin, and gefitinib. The underlying mechanisms involve reductions in oxidative stress and inflammation. H2 itself exhibits anticancer activity. Therefore, the combination of H2 and anticancer drugs has the potential to reduce the side effects of anticancer drugs and enhance their anticancer activities. This is an exciting prospect for future cancer treatments.
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Affiliation(s)
- Shin-ichi Hirano
- Independent Researcher, 5-8-1-207 Honson, Chigasaki 253-0042, Japan
| | - Yoshiyasu Takefuji
- Keio University, 2-15-45 Mita, Minato-ku, Tokyo 108-8345, Japan;
- Faculty of Data Science, Musashino University, 3-3-3 Ariake, Koto-Ku, Tokyo 135-8181, Japan
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2
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Gong Z, Xue Q, Luo Y, Yu B, Hua B, Liu Z. The interplay between the microbiota and opioid in the treatment of neuropathic pain. Front Microbiol 2024; 15:1390046. [PMID: 38919504 PMCID: PMC11197152 DOI: 10.3389/fmicb.2024.1390046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Accepted: 05/24/2024] [Indexed: 06/27/2024] Open
Abstract
Neuropathic pain (NP) is characterized by its complex and multifactorial nature and limited responses to opioid therapy; NP is associated with risks of drug resistance, addiction, difficulty in treatment cessation, and psychological disorders. Emerging research on gut microbiota and their metabolites has demonstrated their effectiveness in alleviating NP and augmenting opioid-based pain management, concurrently mitigating the adverse effects of opioids. This review addresses the following key points: (1) the current advances in gut microbiota research and the challenges in using opioids to treat NP, (2) the reciprocal effects and benefits of gut microbiota on NP, and (3) the interaction between opioids with gut microbiota, as well as the benefits of gut microbiota in opioid-based treatment of NP. Through various intricate mechanisms, gut microbiota influences the onset and progression of NP, ultimately enhancing the efficacy of opioids in the management of NP. These insights pave the way for further pragmatic clinical research, ultimately enhancing the efficacy of opioid-based pain management.
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Affiliation(s)
- Zexiong Gong
- Department of Anesthesiology, Health Science Center, Shenzhen Second People's Hospital/The First Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Qingsheng Xue
- Department of Anesthesiology, School of Medicine, Ruijin Hospital, Shanghai Jiaotong University, Shanghai, China
| | - Yan Luo
- Department of Anesthesiology, School of Medicine, Ruijin Hospital, Shanghai Jiaotong University, Shanghai, China
| | - Buwei Yu
- Department of Anesthesiology, School of Medicine, Ruijin Hospital, Shanghai Jiaotong University, Shanghai, China
| | - Bo Hua
- Department of Anesthesiology, Health Science Center, Shenzhen Second People's Hospital/The First Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Zhiheng Liu
- Department of Anesthesiology, Health Science Center, Shenzhen Second People's Hospital/The First Affiliated Hospital of Shenzhen University, Shenzhen, China
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Cao B, Xu Q, Shi Y, Zhao R, Li H, Zheng J, Liu F, Wan Y, Wei B. Pathology of pain and its implications for therapeutic interventions. Signal Transduct Target Ther 2024; 9:155. [PMID: 38851750 PMCID: PMC11162504 DOI: 10.1038/s41392-024-01845-w] [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: 05/12/2023] [Revised: 04/08/2024] [Accepted: 04/25/2024] [Indexed: 06/10/2024] Open
Abstract
Pain is estimated to affect more than 20% of the global population, imposing incalculable health and economic burdens. Effective pain management is crucial for individuals suffering from pain. However, the current methods for pain assessment and treatment fall short of clinical needs. Benefiting from advances in neuroscience and biotechnology, the neuronal circuits and molecular mechanisms critically involved in pain modulation have been elucidated. These research achievements have incited progress in identifying new diagnostic and therapeutic targets. In this review, we first introduce fundamental knowledge about pain, setting the stage for the subsequent contents. The review next delves into the molecular mechanisms underlying pain disorders, including gene mutation, epigenetic modification, posttranslational modification, inflammasome, signaling pathways and microbiota. To better present a comprehensive view of pain research, two prominent issues, sexual dimorphism and pain comorbidities, are discussed in detail based on current findings. The status quo of pain evaluation and manipulation is summarized. A series of improved and innovative pain management strategies, such as gene therapy, monoclonal antibody, brain-computer interface and microbial intervention, are making strides towards clinical application. We highlight existing limitations and future directions for enhancing the quality of preclinical and clinical research. Efforts to decipher the complexities of pain pathology will be instrumental in translating scientific discoveries into clinical practice, thereby improving pain management from bench to bedside.
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Affiliation(s)
- Bo Cao
- Department of General Surgery, First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Qixuan Xu
- Department of General Surgery, First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
- Medical School of Chinese PLA, Beijing, 100853, China
| | - Yajiao Shi
- Neuroscience Research Institute and Department of Neurobiology, School of Basic Medical Sciences, Key Laboratory for Neuroscience, Ministry of Education/National Health Commission, Peking University, Beijing, 100191, China
| | - Ruiyang Zhao
- Department of General Surgery, First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
- Medical School of Chinese PLA, Beijing, 100853, China
| | - Hanghang Li
- Department of General Surgery, First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
- Medical School of Chinese PLA, Beijing, 100853, China
| | - Jie Zheng
- Neuroscience Research Institute and Department of Neurobiology, School of Basic Medical Sciences, Key Laboratory for Neuroscience, Ministry of Education/National Health Commission, Peking University, Beijing, 100191, China
| | - Fengyu Liu
- Neuroscience Research Institute and Department of Neurobiology, School of Basic Medical Sciences, Key Laboratory for Neuroscience, Ministry of Education/National Health Commission, Peking University, Beijing, 100191, China.
| | - You Wan
- Neuroscience Research Institute and Department of Neurobiology, School of Basic Medical Sciences, Key Laboratory for Neuroscience, Ministry of Education/National Health Commission, Peking University, Beijing, 100191, China.
| | - Bo Wei
- Department of General Surgery, First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China.
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4
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Martínez-Martel I, Pol O. A Novel Therapy for Cisplatin-Induced Allodynia and Dysfunctional and Emotional Impairments in Male and Female Mice. Antioxidants (Basel) 2023; 12:2063. [PMID: 38136183 PMCID: PMC10741113 DOI: 10.3390/antiox12122063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 11/23/2023] [Accepted: 11/28/2023] [Indexed: 12/24/2023] Open
Abstract
Patients undergoing chemotherapy with cisplatin (CIS) develop neuropathy in addition to other symptoms such as, anxiety, depression, muscle wasting and body weight loss. This symptomatology greatly weakens patients and may even lead to adjournment of chemotherapy. The protecting actions of molecular hydrogen in many neurological illnesses have been described, but its effect on the functional and emotional deficiencies caused by CIS has not been assessed. In C57BL/6J male and female mice injected with CIS, we examined the impact of the prophylactic treatment with hydrogen-rich water (HRW) on: (i) the tactile and cold allodynia, (ii) the deficits of grip strength and weight loss, (iii) the anxiodepressive-like behaviors and (iv) the inflammatory and oxidative reactions incited by CIS in the dorsal root ganglia (DRG) and prefrontal cortex (PFC). The results demonstrate that the mechanical allodynia and the anxiodepressive-like comportment provoked by CIS were similarly manifested in both sexes, whereas the cold allodynia, grip strength deficits and body weight loss produced by this chemotherapeutic agent were greater in female mice. Nonetheless, the prophylactic treatment with HRW prevented the allodynia and the functional and emotional impairments resulting from CIS in both sexes. This treatment also inhibited the inflammatory and oxidative responses activated by CIS in the DRG and PFC in both sexes, which might explain the therapeutic actions of HRW in male and female mice. In conclusion, this study revealed the plausible use of HRW as a new therapy for the allodynia and physical and mental impairments linked with CIS and its possible mechanism of action.
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Affiliation(s)
- Ignacio Martínez-Martel
- Grup de Neurofarmacologia Molecular, Institut de Recerca Sant Pau, Sant Quintí 77-79, 08041 Barcelona, Spain
- Grup de Neurofarmacologia Molecular, Institut de Neurociències, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - Olga Pol
- Grup de Neurofarmacologia Molecular, Institut de Recerca Sant Pau, Sant Quintí 77-79, 08041 Barcelona, Spain
- Grup de Neurofarmacologia Molecular, Institut de Neurociències, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
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Hu H, Zhu H, Yang H, Yao W, Zheng W. In vitro fermentation properties of magnesium hydride and related modulation effects on broiler cecal microbiome and metabolome. Front Microbiol 2023; 14:1175858. [PMID: 37621394 PMCID: PMC10445219 DOI: 10.3389/fmicb.2023.1175858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 07/24/2023] [Indexed: 08/26/2023] Open
Abstract
Magnesium hydride (MGH), a highly promising hydrogen-producing substance/additive for hydrogen production through its hydrolysis reaction, has the potential to enhance broiler production. However, before incorporating MGH as a hydrogen-producing additive in broiler feed, it is crucial to fully understand its impact on microbiota and metabolites. In vitro fermentation models provide a fast, reproducible, and direct assessment tool for microbiota metabolism and composition. This study aims to investigate the effects of MGH and coated-magnesium hydride (CMG) on fermentation characteristics, as well as the microbiota and metabolome in the culture of in vitro fermentation using cecal inocula from broilers. After 48 h of incubation, it was observed that the presence of MGH had a significant impact on various factors. Specifically, the content of N-NH3 decreased, while the total hydrogen gas and total SCFAs increased. Furthermore, the presence of MGH promoted the abundance of SCFA-producing bacteria such as Ruminococcus, Blautia, Coprobacillus, and Dysgonomonas. On the other hand, the presence of CMG led to an increase in the concentration of lactic acid, acetic acid, and valeric acid. Additionally, CMG affected the diversity of microbiota in the culture, resulting in an enrichment of the relative abundance of Firmicutes, as well as genera of Lactobacillus, Coprococcus, and Eubacterium. Conversely, the relative abundance of the phylum Proteobacteria and pathogenic bacteria Shigella decreased. Metabolome analysis revealed that MGH and CMG treatment caused significant changes in 21 co-regulated metabolites, primarily associated with lipid, amino acid, benzenoids, and organooxygen compounds. Importantly, joint correlation analysis revealed that MGH or CMG treatments had a direct impact on the microbiota, which in turn indirectly influenced metabolites in the culture. In summary, the results of this study suggested that both MGH and coated-MGH have similar yet distinct positive effects on the microbiota and metabolites of the broiler cecal in an in vitro fermentation model.
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Affiliation(s)
- Heng Hu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - He Zhu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Haiyan Yang
- Center of Hydrogen Science, Shanghai Jiao Tong University, Shanghai, China
| | - Wen Yao
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu, China
- Key Lab of Animal Physiology and Biochemistry, Ministry of Agriculture, Nanjing, Jiangsu, China
| | - Weijiang Zheng
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu, China
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Liu Z, Kim E, Hong SH, Kim K, Kim EK, Kim MO. Effects of Hydrogen-rich Water on Cariogenic Bacteria. Indian J Dent Res 2023; 34:289-293. [PMID: 38197349 DOI: 10.4103/ijdr.ijdr_948_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2024] Open
Abstract
Context Some kinds of electrolysed water have been reported to exhibit antioxidant and bactericidal activity. However, studies on the effect of electrolysed hydrogen-rich water (EHW) with a neutral pH on cariogenic bacteria are limited. Aim This study aimed to evaluate the feasibility of using EHW as a mouthwash by examining its various effects on cariogenic bacteria. Materials and Methods To test the bactericidal and anti-biofilm formation effects of EHW on Streptococcus mutans and Streptococcus sobrinus, bacterial growth curves, colony-forming unit (CFU) counts, and crystal violet staining of biofilms were examined after exposing the bacterial pellets to EHW or tap water as a control for one minute. In addition, the expressions of glucosyltransferase and glucan-binding proteins encoding genes were examined using real-time PCR. Results Bacterial growth and biofilm formation were inhibited, and the number of CFUs was significantly reduced in the EHW group compared to the control group. The expression of genes encoding glucosyltransferases (gtfB, gtfC, and gtfI) and glucan-binding proteins (gbpC and dblB) were also decreased in the EHW group compared to the control. Conclusions Exposing cariogenic bacteria to EHW at neutral pH for one minute can effectively inhibit bacterial growth and biofilm formation in vitro, suggesting that EHW is a promising mouthwash.
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Affiliation(s)
- Zhibin Liu
- Department of Dental Hygiene, Graduate School of Science and Technology, Kyungpook National University, Sangju-City; Department of Animal Science and Biotechnology, Kyungpook National University, Sangju-City, Gyeongsangbuk, Republic of Korea
| | - Eungyung Kim
- Department of Animal Science and Biotechnology, Kyungpook National University, Sangju-City, Gyeongsangbuk; Research Center for Horse Industry, Kyungpook National University, Sangju-City, Republic of Korea
| | - Su-Hyung Hong
- Department of Microbiology and Immunology, School of Dentistry, Kyungpook National University, Sangju-City, Republic of Korea
| | - Kirim Kim
- Department of Dental Hygiene, Graduate School of Science and Technology, Kyungpook National University, Sangju-City; Department of Dental Hygiene, College of Science and Technology, Kyungpook National University, Sangju-City, Republic of Korea
| | - Eun-Kyong Kim
- Department of Dental Hygiene, Graduate School of Science and Technology, Kyungpook National University, Sangju-City; Department of Dental Hygiene, College of Science and Technology, Kyungpook National University, Sangju-City, Republic of Korea
| | - Myoung-Ok Kim
- Department of Animal Science and Biotechnology, Kyungpook National University, Sangju-City, Gyeongsangbuk; Research Center for Horse Industry, Kyungpook National University, Sangju-City, Republic of Korea
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7
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Liu H, Kang X, Ren P, Kuang X, Yang X, Yang H, Shen X, Yan H, Kang Y, Zhang F, Wang X, Guo L, Fan W. Hydrogen gas ameliorates acute alcoholic liver injury via anti-inflammatory and antioxidant effects and regulation of intestinal microbiota. Int Immunopharmacol 2023; 120:110252. [PMID: 37196556 DOI: 10.1016/j.intimp.2023.110252] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 04/23/2023] [Accepted: 04/25/2023] [Indexed: 05/19/2023]
Abstract
Alcoholic liver disease (ALD) is a globally prevalent liver-related disorder characterized by severe oxidative stress and inflammatory liver damage, for which no effective treatment is currently available. Hydrogen gas (H2) has been demonstrated to be an efficient antioxidant in various diseases in animals as well as humans. However, the protective effects of H2 on ALD and its underlying mechanisms remain to be elucidated. The present study demonstrated that H2 inhalation ameliorated liver injury, and attenuated liver oxidative stress, inflammation, and steatosis in an ALD mouse model. Moreover, H2 inhalation improved gut microbiota, including increasing the abundance of Lachnospiraceae and Clostridia, and decreasing the abundance of Prevotellaceae and Muribaculaceae, and also improved intestinal barrier integrity. Mechanistically, H2 inhalation blocked activation of the LPS/TLR4/NF-κB pathway in liver. Notably, it was further demonstrated that the reshaped gut microbiota may accelerate alcohol metabolism, regulate lipid homeostasis and maintain immune balance by bacterial functional potential prediction (PICRUSt). Fecal microbiota transplantation from mice that had undergone H2 inhalation significantly alleviated acute alcoholic liver injury. In summary, the present study showed that H2 inhalation alleviated liver injury by reducing oxidative stress and inflammation, while also improving intestinal flora and enhancing the intestinal barrier. H2 inhalation may serve as an effective intervention for preventing and treating ALD in a clinical context.
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Affiliation(s)
- Haixia Liu
- Department of Microbiology and Immunology, Shanxi Medical University, Jinzhong 030619, China; Key Laboratory of Cellular Physiology (Shanxi Medical University), Ministry of Education, China
| | - Xing Kang
- Department of Microbiology and Immunology, Shanxi Medical University, Jinzhong 030619, China; Key Laboratory of Cellular Physiology (Shanxi Medical University), Ministry of Education, China
| | - Peng Ren
- Department of Microbiology and Immunology, Shanxi Medical University, Jinzhong 030619, China; Key Laboratory of Cellular Physiology (Shanxi Medical University), Ministry of Education, China
| | - Xiaoyu Kuang
- Department of Microbiology and Immunology, Shanxi Medical University, Jinzhong 030619, China; Key Laboratory of Cellular Physiology (Shanxi Medical University), Ministry of Education, China
| | - Xiaodan Yang
- Department of Microbiology and Immunology, Shanxi Medical University, Jinzhong 030619, China; Key Laboratory of Cellular Physiology (Shanxi Medical University), Ministry of Education, China
| | - Hao Yang
- Department of Microbiology and Immunology, Shanxi Medical University, Jinzhong 030619, China; Key Laboratory of Cellular Physiology (Shanxi Medical University), Ministry of Education, China
| | - Xiaorong Shen
- Department of Microbiology and Immunology, Shanxi Medical University, Jinzhong 030619, China; Key Laboratory of Cellular Physiology (Shanxi Medical University), Ministry of Education, China
| | - Huan Yan
- Department of Microbiology and Immunology, Shanxi Medical University, Jinzhong 030619, China; Key Laboratory of Cellular Physiology (Shanxi Medical University), Ministry of Education, China
| | - Yongbo Kang
- Department of Microbiology and Immunology, Shanxi Medical University, Jinzhong 030619, China; Key Laboratory of Cellular Physiology (Shanxi Medical University), Ministry of Education, China
| | - Fan Zhang
- Department of Microbiology and Immunology, Shanxi Medical University, Jinzhong 030619, China; Key Laboratory of Cellular Physiology (Shanxi Medical University), Ministry of Education, China
| | - Xiaohui Wang
- Key Laboratory of Cellular Physiology (Shanxi Medical University), Ministry of Education, China; Laboratory of Morphology, Shanxi Medical University, Jinzhong 030619, China
| | - Linzhi Guo
- Key Laboratory of Cellular Physiology (Shanxi Medical University), Ministry of Education, China; Laboratory of Morphology, Shanxi Medical University, Jinzhong 030619, China
| | - Weiping Fan
- Department of Microbiology and Immunology, Shanxi Medical University, Jinzhong 030619, China; Key Laboratory of Cellular Physiology (Shanxi Medical University), Ministry of Education, China.
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Abstract
Interactions between the immune and nervous systems are of central importance in neuropathic pain, a common and debilitating form of chronic pain caused by a lesion or disease affecting the somatosensory system. Our understanding of neuroimmune interactions in pain research has advanced considerably. Initially considered as passive bystanders, then as culprits in the pathogenesis of neuropathic pain, immune responses in the nervous system are now established to underpin not only the initiation and progression of pain but also its resolution. Indeed, immune cells and their mediators are well-established promoters of neuroinflammation at each level of the neural pain pathway that contributes to pain hypersensitivity. However, emerging evidence indicates that specific subtypes of immune cells (including antinociceptive macrophages, pain-resolving microglia and T regulatory cells) as well as immunoresolvent molecules and modulators of the gut microbiota-immune system axis can reduce the pain experience and contribute to the resolution of neuropathic pain. This Review provides an overview of the immune mechanisms responsible for the resolution of neuropathic pain, including those involved in innate, adaptive and meningeal immunity as well as interactions with the gut microbiome. Specialized pro-resolving mediators and therapeutic approaches that target these neuroimmune mechanisms are also discussed.
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Wang Y, Wang M, Xie B, Wen D, Li W, Zhou M, Wang X, Lu Y, Cong B, Ni Z, Ma C. Effects of molecular hydrogen intervention on the gut microbiome in methamphetamine abusers with mental disorder. Brain Res Bull 2023; 193:47-58. [PMID: 36516898 DOI: 10.1016/j.brainresbull.2022.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 12/01/2022] [Accepted: 12/03/2022] [Indexed: 12/14/2022]
Abstract
Methamphetamine (METH) is a potent and highly addictive psychostimulant and one of the most widely used illicit drugs, the abuse of which has become a severe public health problem worldwide. A growing amount of evidence has indicated potential connections between gut microbiota and mental disorders induced by METH and associations with neural and metabolic pathways. The present study aimed to explore the relationship between fecal microbial alterations and neuropsychiatric diseases in METH addictions. Thus, mental disorders and gut microbial alterations were analyzed by self-rating depression (SDS) and anxiety (SAS) scales and 16 S rRNA gene sequencing, respectively. Our results showed that increased SDS and SAS indices and decreased alpha diversity indicated more serious mental disorders and lower bacterial diversity in METH users than in the age-matched healthy control group. The gut microbial composition in female METH users was also significantly altered, with reductions in hydrogen-producing bacteria, including Bacteroides and Roseburia. Molecular hydrogen (H2) is spontaneously produced by intestinal bacteria in the process of anaerobic metabolism, which is the main pathway for H2 production in vivo. Numerous studies have shown that hydrogen intervention can significantly improve neuropsychiatric diseases, including Alzheimer's disease and Parkinson's disease. Our results showed that hydrogen intervention, including drinking and inhaling, significantly alleviated mental disorders induced by METH abuse, and the inhalation of hydrogen also altered gut microbiota profiles in the METH abusers. These results suggest that hydrogen intervention has potential therapeutic applicability in the treatment of mental disorders in METH abusers.
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Affiliation(s)
- Yong Wang
- College of Forensic Medicine, Hebei Medical University, Hebei Key Laboratory of Forensic Medicine, Collaborative Innovation Center of Forensic Medical Molecular Identification, Research Unit of Digestive Tract Microecosystem Pharmacology and Toxicology, Chinese Academy of Medical Sciences, Shijiazhuang, Hebei Province 050017, PR China
| | - Mengmeng Wang
- Affiliated Hospital of Hebei University, College of Clinical Medicine, Hebei University, Collaborative Innovation Center of Tumor Microecological Metabolism Regulation, Baoding, Hebei Province 071000, PR China
| | - Bing Xie
- College of Forensic Medicine, Hebei Medical University, Hebei Key Laboratory of Forensic Medicine, Collaborative Innovation Center of Forensic Medical Molecular Identification, Research Unit of Digestive Tract Microecosystem Pharmacology and Toxicology, Chinese Academy of Medical Sciences, Shijiazhuang, Hebei Province 050017, PR China
| | - Di Wen
- College of Forensic Medicine, Hebei Medical University, Hebei Key Laboratory of Forensic Medicine, Collaborative Innovation Center of Forensic Medical Molecular Identification, Research Unit of Digestive Tract Microecosystem Pharmacology and Toxicology, Chinese Academy of Medical Sciences, Shijiazhuang, Hebei Province 050017, PR China
| | - Wenbo Li
- College of Forensic Medicine, Hebei Medical University, Hebei Key Laboratory of Forensic Medicine, Collaborative Innovation Center of Forensic Medical Molecular Identification, Research Unit of Digestive Tract Microecosystem Pharmacology and Toxicology, Chinese Academy of Medical Sciences, Shijiazhuang, Hebei Province 050017, PR China
| | - Meiqi Zhou
- College of Public Health, Hebei Medical University, Hebei Key Laboratory of Environment and Human Health, Shijiazhuang, Hebei Province 050017, PR China
| | - Xintao Wang
- College of Forensic Medicine, Hebei Medical University, Hebei Key Laboratory of Forensic Medicine, Collaborative Innovation Center of Forensic Medical Molecular Identification, Research Unit of Digestive Tract Microecosystem Pharmacology and Toxicology, Chinese Academy of Medical Sciences, Shijiazhuang, Hebei Province 050017, PR China
| | - Yun Lu
- College of Forensic Medicine, Hebei Medical University, Hebei Key Laboratory of Forensic Medicine, Collaborative Innovation Center of Forensic Medical Molecular Identification, Research Unit of Digestive Tract Microecosystem Pharmacology and Toxicology, Chinese Academy of Medical Sciences, Shijiazhuang, Hebei Province 050017, PR China
| | - Bin Cong
- College of Forensic Medicine, Hebei Medical University, Hebei Key Laboratory of Forensic Medicine, Collaborative Innovation Center of Forensic Medical Molecular Identification, Research Unit of Digestive Tract Microecosystem Pharmacology and Toxicology, Chinese Academy of Medical Sciences, Shijiazhuang, Hebei Province 050017, PR China
| | - Zhiyu Ni
- Affiliated Hospital of Hebei University, College of Clinical Medicine, Hebei University, Collaborative Innovation Center of Tumor Microecological Metabolism Regulation, Baoding, Hebei Province 071000, PR China.
| | - Chunling Ma
- College of Forensic Medicine, Hebei Medical University, Hebei Key Laboratory of Forensic Medicine, Collaborative Innovation Center of Forensic Medical Molecular Identification, Research Unit of Digestive Tract Microecosystem Pharmacology and Toxicology, Chinese Academy of Medical Sciences, Shijiazhuang, Hebei Province 050017, PR China.
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Man S, Xie L, Liu X, Wang G, Liu C, Gao W. Diosgenin relieves oxaliplatin-induced pain by affecting TLR4/NF-κB inflammatory signaling and the gut microbiota. Food Funct 2023; 14:516-524. [PMID: 36520071 DOI: 10.1039/d2fo02877h] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Diosgenin extracted from fenugreek, yam and other foods exhibits a wide range of pharmacological activities, especially for the treatment of pain and other nervous system diseases. However, its role in oxaliplatin-induced peripheral neuropathy (OIPN) is unclear. To explore its detailed mechanism on the pain caused by chemotherapy, we carried out this experiment. In this study, the effects of diosgenin on injured PC12 cells and OIPN mice were examined. The results showed that diosgenin not only protected PC12 from injury, but also reduced the mechanical withdrawal threshold and cold hyperalgesia in OIPN mice. Diosgenin inhibited oxidative stress, the cell glial fibrillary acidic protein, and the pro-inflammatory cytokines such as tumor necrosis factor-α, toll-like receptor 4 and nuclear factor-κB in the brain. Furthermore, the fecal microbiota transplantation experiment indicated that diosgenin improved OIPN through regulation of the gut microbiota. All in all, diosgenin ameliorates peripheral neuropathy and is worthy of further study in the treatment of neuropathic pain.
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Affiliation(s)
- Shuli Man
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, 300457, China.
| | - Lu Xie
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, 300457, China.
| | - Xuanshuo Liu
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, 300457, China.
| | - Genbei Wang
- State Key Laboratory of Core Technology in Innovative Chinese Medicine, Tasly Holding Group Co., Ltd, Tianjin 300410, China
| | - Changxiao Liu
- State Key Laboratory of Drug Release Technology and Pharmacokinetics. Tianjin Institute of Pharmaceutical Research Co., Ltd, Tianjin 300462, China
| | - Wenyuan Gao
- Tianjin Key Laboratory for Modern Drug Delivery and High Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, 300072, China.
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Feng J, Lin H, Zhao Y, Yang Y, Zhuang X, Yu Y, Yu Y. Tandem mass tag-based quantitative proteomic analysis of effects of multiple sevoflurane exposures on the cerebral cortex of neonatal and adult mice. Front Neurol 2022; 13:1056947. [PMID: 36582614 PMCID: PMC9792844 DOI: 10.3389/fneur.2022.1056947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 11/28/2022] [Indexed: 12/14/2022] Open
Abstract
Introduction Sevoflurane is the most commonly used general anesthetic in pediatric surgery, but it has the potential to be neurotoxic. Previous research found that long-term or multiple sevoflurane exposures could cause cognitive deficits in newborn mice but not adult mice, whereas short-term or single inhalations had little effect on cognitive function at both ages. The mechanisms behind these effects, however, are unclear. Methods In the current study, 6- and 60-day-old C57bl mice in the sevoflurane groups were given 3% sevoflurane plus 60% oxygen for three consecutive days, each lasting 2 hours, while those in the control group only got 60% oxygen. The cortex tissues were harvested on the 8th or 62nd day. The tandem mass tags (TMT)pro-based quantitative proteomics combined with liquid chromatography-tandem mass spectrometry (LC-MS/MS) analysis, Golgi staining, and western blotting analysis were applied to analyze the influences of multiple sevoflurane anesthesia on the cerebral cortex in mice with various ages. The Morris water maze (MWM) test was performed from postnatal day (P)30 to P36 or P84 to P90 after control or multiple sevoflurane treatment. Sevoflurane anesthesia affected spatial learning and memory and diminished dendritic spines primarily in newborn mice, whereas mature animals exhibited no significant alterations. Results A total of 6247 proteins were measured using the combined quantitative proteomics methods of TMTpro-labeled and LC-MS/MS, 443 of which were associated to the age-dependent neurotoxic mechanism of repeated sevoflurane anesthesia. Furthermore, western blotting research revealed that sevoflurane-induced brain damage in newborn mice may be mediated by increasing the levels of protein expression of CHGB, PTEN, MAP2c, or decreasing the level of SOD2 protein expression. Conclusion Our findings would help to further the mechanistic study of age-dependent anesthetic neurotoxicity and contribute to seek for effective protection in the developing brain under general anesthesia.
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Affiliation(s)
- Jingyu Feng
- Department of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China,Tianjin Institute of Anesthesiology, Tianjin, China
| | - Hua Lin
- Department of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China,Tianjin Institute of Anesthesiology, Tianjin, China
| | - Yue Zhao
- Department of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China,Tianjin Institute of Anesthesiology, Tianjin, China
| | - Yongyan Yang
- Department of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China,Tianjin Institute of Anesthesiology, Tianjin, China
| | - Xiaoli Zhuang
- Department of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China,Tianjin Institute of Anesthesiology, Tianjin, China
| | - Yang Yu
- Department of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China,Tianjin Institute of Anesthesiology, Tianjin, China,*Correspondence: Yang Yu
| | - Yonghao Yu
- Department of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China,Tianjin Institute of Anesthesiology, Tianjin, China,Yonghao Yu
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12
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Han Q, Bai Y, Zhou C, Dong B, Li Y, Luo N, Chen H, Yu Y. Effect of molecular hydrogen treatment on Sepsis-Associated encephalopathy in mice based on gut microbiota. CNS Neurosci Ther 2022; 29:633-645. [PMID: 36468415 PMCID: PMC9873526 DOI: 10.1111/cns.14043] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 11/14/2022] [Accepted: 11/16/2022] [Indexed: 12/09/2022] Open
Abstract
INTRODUCTION In our experiments, male wild-type mice were randomly divided into four groups: the sham, SAE, SAE + 2% hydrogen gas inhalation (H2 ), and SAE + hydrogen-rich water (HW) groups. The feces of the mice were collected for 16 S rDNA analysis 24 h after the models were established, and the serum and brain tissue of the mice were collected for nontargeted metabolomics analysis. AIM Destruction of the intestinal microbiota is a risk factor for sepsis and subsequent organ dysfunction, and up to 70% of severely ill patients with sepsis exhibit varying degrees of sepsis-associated encephalopathy (SAE). The pathogenesis of SAE remains unclear. We aimed to explore the changes in gut microbiota in SAE and the regulatory mechanism of molecular hydrogen. RESULTS Molecular hydrogen treatment significantly improved the functional outcome of SAE and downregulated inflammatory reactions in both the brain and the gut. In addition, molecular hydrogen treatment improved gut microbiota dysbiosis and partially amended metabolic disorder after SAE. CONCLUSIONS Molecular hydrogen treatment promotes functional outcomes after SAE in mice, which may be attributable to increasing beneficial bacteria, repressing harmful bacteria, and metabolic disorder, and reducing inflammation.
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Affiliation(s)
- Qingqing Han
- Department of AnaesthesiologyTianjin Medical University General Hospital, Tianjin Research Institute of AnaesthesiologyTianjinChina
| | - Yuanyuan Bai
- Department of AnesthesiologyTianjin Baodi Hospital, Baodi Clinical College of Tianjin Medical UniversityTianjinChina
| | - Chunjing Zhou
- Department of AnaesthesiologyTianjin 4 center hospitalTianjinChina
| | - Beibei Dong
- Department of AnaesthesiologyTianjin Medical University General Hospital, Tianjin Research Institute of AnaesthesiologyTianjinChina
| | - Yingning Li
- Department of AnaesthesiologyTianjin Medical University General Hospital, Tianjin Research Institute of AnaesthesiologyTianjinChina
| | - Ning Luo
- Department of AnaesthesiologyTianjin Medical University General Hospital, Tianjin Research Institute of AnaesthesiologyTianjinChina
| | - Hongguang Chen
- Department of AnaesthesiologyTianjin Medical University General Hospital, Tianjin Research Institute of AnaesthesiologyTianjinChina
| | - Yonghao Yu
- Department of AnaesthesiologyTianjin Medical University General Hospital, Tianjin Research Institute of AnaesthesiologyTianjinChina
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13
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Martínez-Martel I, Bai X, Batallé G, Pol O. New Treatment for the Cognitive and Emotional Deficits Linked with Paclitaxel-Induced Peripheral Neuropathy in Mice. Antioxidants (Basel) 2022; 11:antiox11122387. [PMID: 36552595 PMCID: PMC9774817 DOI: 10.3390/antiox11122387] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 11/24/2022] [Accepted: 11/27/2022] [Indexed: 12/04/2022] Open
Abstract
Chemotherapy-provoked peripheral neuropathy and its linked comorbidities severely reduce the quality of a patient's life. Its therapy is not completely resolved and has become an important clinical challenge. The protective actions of molecular hydrogen (H2) in many neurological disorders have been described, but its effects on memory and the emotional deficits accompanying neuropathic pain induced by chemotherapy remain unknown. In this study, using male mice injected with paclitaxel (PTX), we examined the effects of systemic treatment with hydrogen-rich water (HRW) in: (i) the mechanical and thermal allodynia provoked by PTX and the pathways involved; (ii) the memory deficits, anxiety- and depressive-like behaviors associated with PTX-induced peripheral neuropathy (PIPN); and (iii) the plasticity (p-extracellular signal-regulated protein kinase; p-ERK ½), nociceptive (p-protein kinase B, p-Akt), inflammatory (p-nuclear factor of kappa light polypeptide gene enhancer in B-cells inhibitor, alpha; p-IKBα), and oxidative (4-hydroxynonenal: 4-HNE) alterations provoked by PIPN in the prefrontal cortex (PFC). The results revealed: (1) the antiallodynic actions of HRW administered at one or two times per day during 7 and 3 consecutive days; (2) the participation of Kv7 potassium channels and the Nrf2-heme oxygenase 1-NAD(P)H: quinone oxidoreductase 1 pathway in the painkiller effects of HRW; (3) the inhibition of memory deficits and the anxiodepressive-like behaviors related with PIPN induced by HRW; and (4) the normalization of p-ERK ½, p-Akt and 4-HNE up-regulation and the activation of antioxidant enzymes produced by this treatment in PFC. This study proposes HRW as a possible effective and safe therapy for PIPN and its associated cognitive and emotional deficits.
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Affiliation(s)
- Ignacio Martínez-Martel
- Grup de Neurofarmacologia Molecular, Institut d’Investigació Biomèdica Sant Pau (IIB SANT PAU), Sant Quintí 77-79, 08041 Barcelona, Spain
- Grup de Neurofarmacologia Molecular, Institut de Neurociències, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - Xue Bai
- Grup de Neurofarmacologia Molecular, Institut d’Investigació Biomèdica Sant Pau (IIB SANT PAU), Sant Quintí 77-79, 08041 Barcelona, Spain
- Grup de Neurofarmacologia Molecular, Institut de Neurociències, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - Gerard Batallé
- Grup de Neurofarmacologia Molecular, Institut d’Investigació Biomèdica Sant Pau (IIB SANT PAU), Sant Quintí 77-79, 08041 Barcelona, Spain
- Grup de Neurofarmacologia Molecular, Institut de Neurociències, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
| | - Olga Pol
- Grup de Neurofarmacologia Molecular, Institut d’Investigació Biomèdica Sant Pau (IIB SANT PAU), Sant Quintí 77-79, 08041 Barcelona, Spain
- Grup de Neurofarmacologia Molecular, Institut de Neurociències, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
- Correspondence: ; Tel.: +34-619-757-054
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Wang Y, Wang P, Liu C, Chen W, Wang P, Jiang L. Hydrogen-Rich Saline Attenuates Chronic Allodynia after Bone Fractures via Reducing Spinal CXCL1/CXCR2-Mediated Iron Accumulation in Mice. Brain Sci 2022; 12:brainsci12121610. [PMID: 36552070 PMCID: PMC9776060 DOI: 10.3390/brainsci12121610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 11/16/2022] [Accepted: 11/21/2022] [Indexed: 11/27/2022] Open
Abstract
PURPOSE Neuroinflammation often initiates iron overload in the pathogenesis of neurological disorders. Chemokine-driven neuroinflammation is required for central sensitization and chronic allodynia following fractures, but specific molecular modulations are elusive. This present study explored whether hydrogen-rich saline, as one potent anti-inflammatory pharmaceutical, could alleviate fracture-caused allodynia by suppressing chemokine CXCL1 expression and iron overload. METHODS A mouse model of tibial fracture with intramedullary pinning was employed for establishing chronic allodynia. Three applications of hydrogen-rich saline (1, 5 or 10 mL/kg) were administrated intraperitoneally on a daily basis from days 4 to 6 following fractures. Spinal CXCL1 and its receptor CXCR2 levels, transferrin receptor 1 (TfR1) expression and iron concentration were examined. Recombinant CXCL1, a selective CXCR2 antagonist and an iron chelator were used for verification of mechanisms. RESULTS Repetitive injections of hydrogen-rich saline (5 and 10 mL/kg but not 1 mL/kg) prevent fracture-caused mechanical allodynia and cold allodynia in a dose-dependent manner. Single exposure to hydrogen-rich saline (10 mL/kg) on day 14 after orthopedic surgeries controls the established persistent fracture allodynia. Furthermore, hydrogen-rich saline therapy reduces spinal CXCL1/CXCR2 over-expression and TfR1-mediated iron accumulation in fracture mice. Spinal CXCR2 antagonism impairs allodynia and iron overload following fracture surgery. Intrathecal delivery of recombinant CXCL1 induces acute allodynia and spinal iron overload, which is reversed by hydrogen-rich saline. Moreover, iron chelation alleviates exogenous CXCL1-induced acute pain behaviors. CONCLUSIONS These findings identify that hydrogen-rich saline confers protection against fracture-caused chronic allodynia via spinal down-modulation of CXCL1-dependent TfR1-mediated iron accumulation in mice.
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Affiliation(s)
- Yanting Wang
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266000, China
| | - Pei Wang
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266000, China
| | - Cuicui Liu
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266000, China
| | - Wei Chen
- Encephalopathy Clinical Center, Department of Neurology, Qingdao TCM Hospital, Qingdao 266071, China
| | - Pingping Wang
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266000, China
| | - Lili Jiang
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266000, China
- Correspondence:
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15
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Köktürk M, Yıldırım S, Eser G, Bulut M, Alwazeer D. Hydrogen-Rich Water Alleviates the Nickel-Induced Toxic Responses (Inflammatory Responses, Oxidative Stress, DNA Damage) and Ameliorates Cocoon Production in Earthworm. Biol Trace Elem Res 2022; 200:3442-3452. [PMID: 34482505 DOI: 10.1007/s12011-021-02908-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 08/25/2021] [Indexed: 12/15/2022]
Abstract
In recent years, studies investigating the protective effect of hydrogen-rich water (HRW) against different diseases and the toxicity of some substances have attracted increasing attention. Here, we assessed the effects of hydrogen-rich water on different nickel-induced toxic responses (reactive oxygen species (ROS), tumor necrosis factor-alpha (TNF-α), and 8-hydroxy-2'-deoxyguanosine (8-OHdG) of stress responses, histopathological changes) and cocoon production in earthworm model. Earthworms were randomly divided into two main groups: water (W) group including control (CW: ultrapure water), 10 (10W), 200 (200W), and 500 (500W), and hydrogen-rich ultrapure water (HRW) group including control (CHRW: hydrogen-rich ultrapure water), 10 (10HRW), 200 (200HRW), and 500 (500HRW) mg of nickel chloride kg-1 soil for 14 days. We found that cocoon production was less affected by the nickel exposure of earthworms in the 500HRW group compared to the 500W group. The ROS levels in 200HRW and 500HRW groups were less than that of 200W and 500W, respectively. The epithelial degeneration, epithelial necrosis, and necrosis in muscle fibers in tissues of earthworm were less damaged in 200HRW and 500HRW groups compared to 200W and 500W, respectively. HRW groups significantly reduced the expression of 8-OHdG induced by nickel exposure and inflammatory cytokine response including TNF-α. The study showed that hydrogen-rich water could alleviate the toxic effects of nickel-induced oxidative and inflammatory damages in earthworms. The HRW treatment known for its cheap and eco-friendly propertıes without any negative effects on the ecosystem can be used as a green method for alleviating the toxification effects of heavy metals in contaminated soil and increasing cocoon production of earthworms.
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Affiliation(s)
- Mine Köktürk
- Department of Organic Agriculture Management, College of Applied Sciences, Igdir University, Igdir, Turkey
| | - Serkan Yıldırım
- Department of Pathology, Faculty of Veterinary, Ataturk University, Erzurum, Turkey
| | - Gizem Eser
- Tuzluca Vocational School, Laboratory and Veterinary Health Programs, Igdir University, 76000 , Igdir, Turkey
| | - Menekşe Bulut
- Department of Food Engineering, Faculty of Engineering, Igdir University, 76000, Igdir, Turkey
- Research Center for Redox Applications in Foods (RCRAF), Igdir University, 76000 , Igdir, Turkey
- Innovative Food Technologies Development, Application, and Research Center, Igdir University, 76000, Igdir, Turkey
| | - Duried Alwazeer
- Research Center for Redox Applications in Foods (RCRAF), Igdir University, 76000 , Igdir, Turkey.
- Innovative Food Technologies Development, Application, and Research Center, Igdir University, 76000, Igdir, Turkey.
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Igdir University, 76000, Igdir, Turkey.
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16
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Role of gut microbiota in neuropathy and neuropathic pain states: A systematic preclinical review. Neurobiol Dis 2022; 170:105773. [PMID: 35623598 DOI: 10.1016/j.nbd.2022.105773] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 04/29/2022] [Accepted: 05/16/2022] [Indexed: 12/19/2022] Open
Abstract
Gut microbiota has implications in Central Nervous System (CNS) disorders. Our study systematically identified preclinical studies aimed to investigate the possible gut microbiota contribution in neuropathy and neuropathic pain. The systematic review is reported in accordance with PRISMA checklist and guidelines outlined updated to 2020. We included research articles reporting neuropathy-related behavioral evaluations and/or neurological scores coupled to gut microbiota analysis performed by high-throughput technologies in the last ten years. Two investigators performed a search through 3 electronic bibliographic databases for full-text articles (PubMed, Scopus, and EMBASE) and three registries (Prospero, SyRF, and bioRxiv), cross-references, and linear searches. We assessed the methodological quality via the CAMARADES checklist and appraised the heterogeneous body of evidence by narrative synthesis. In total, there were 19 eligible studies. The most of these reports showed significant changes in gut microbiota setting in neuropathy conditions. The major gut microbiome remodeling was through fecal microbiome transplantation. Mechanistic proof of the gut-CNS communication was achieved by measuring inflammatory mediators, metabolic products, or neurotransmitters. As a limitation, we found considerable heterogeneity across eligible studies. We conclude that the current understanding of preclinical findings suggested an association between neuropathy and/or neuropathic pain and gut microbiota modifications. Our analysis provides the basis for further studies targeting microbiota for managing symptoms of neuropathy or other neuroinflammation-based CNS disorders. The systematic review protocol was registered on the international database Prospero under the registration number (# 257628).
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Abstract
Living a healthy lifestyle is the most important need in the world today. However, oxidative stress (OS) is caused by several stress-inducing factors such as smoking, alcohol consumption, chronic diseases, and inflammatory responses, oxygen-free radicals are produced in excess and can damage major organs in the body. This phenomenon has been implicated in the pathogenesis of several gastrointestinal (GI) diseases, including gastritis, constipation, and inflammatory bowel diseases, which include Crohn’s disease, ulcerative colitis, functional dyspepsia, acid reflux, diverticular disease, and irritable bowel syndrome. In this review article, we provide a brief overview of the role of OS in the pathogenesis of GI disorders. Additionally, we discuss the therapeutic role of alkaline-reduced water (ARW) on GI diseases and existing studies on ARW related to GI diseases. Furthermore, we believe that findings from this review article will enhance the knowledge of the readers on the role of ARW on OS and inflammation-based GI diseases.
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Xu X, Chen R, Zhan G, Wang D, Tan X, Xu H. Enterochromaffin Cells: Sentinels to Gut Microbiota in Hyperalgesia? Front Cell Infect Microbiol 2021; 11:760076. [PMID: 34722345 PMCID: PMC8552036 DOI: 10.3389/fcimb.2021.760076] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Accepted: 09/29/2021] [Indexed: 12/12/2022] Open
Abstract
In recent years, increasing studies have been conducted on the mechanism of gut microbiota in neuropsychiatric diseases and non-neuropsychiatric diseases. The academic community has also recognized the existence of the microbiota-gut-brain axis. Chronic pain has always been an urgent difficulty for human beings, which often causes anxiety, depression, and other mental symptoms, seriously affecting people's quality of life. Hyperalgesia is one of the main adverse reactions of chronic pain. The mechanism of gut microbiota in hyperalgesia has been extensively studied, providing a new target for pain treatment. Enterochromaffin cells, as the chief sentinel for sensing gut microbiota and its metabolites, can play an important role in the interaction between the gut microbiota and hyperalgesia through paracrine or neural pathways. Therefore, this systematic review describes the role of gut microbiota in the pathological mechanism of hyperalgesia, learns about the role of enterochromaffin cell receptors and secretions in hyperalgesia, and provides a new strategy for pain treatment by targeting enterochromaffin cells through restoring disturbed gut microbiota or supplementing probiotics.
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Affiliation(s)
- Xiaolin Xu
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Rongmin Chen
- Department of Anesthesiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Gaofeng Zhan
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Danning Wang
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xi Tan
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hui Xu
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Tanaka Y, Kiuchi M, Higashimura Y, Naito Y, Koyama K. The effects of ingestion of hydrogen-dissolved alkaline electrolyzed water on stool consistency and gut microbiota: a double-blind randomized trial. Med Gas Res 2021; 11:138-144. [PMID: 34213495 PMCID: PMC8374459 DOI: 10.4103/2045-9912.318858] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
A relationship between Bifidobacterium and defecation has previously been reported. Our hypothesis on the effectiveness of alkaline electrolyzed water (AEW) proposes that ingestion of AEW, considered possessing antioxidative properties, increases the number of Bifidobacteria and improves stool hardness and gastrointestinal symptoms. A double-blind, randomized study was conducted to evaluate the connection between stool consistency and change in gut microbiota composition induced by drinking hydrogen-dissolved AEW. The participants drank 500 mL of purified tap water or AEW every day for 2 weeks. In this study, drinking AEW did not drastically change gut microbiota, but it appeared to act on a specific bacterial species. Drinking AEW was confirmed to cause an increase in Bifidobacterium. The AEW group also saw stool consistency significantly converge to Bristol stool scale Type 4 ("normal"). Therefore, it is highly likely that the gut microbiota will be changed by drinking AEW. This study was retrospectively registered in University Hospital Medical Information Network (UMIN) Clinical Trials Registry (UMIN ID: UMIN000039507) on February 18, 2020, and was approved by the Ethics Committee of University of Yamanashi (approval No. H30-25) on January 9, 2018.
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Affiliation(s)
- Yoshinori Tanaka
- Appliances Company, Panasonic Corporation, Kusatsu, Shiga, Japan
| | - Masataka Kiuchi
- Graduate School Department of Interdisciplinary Research, University of Yamanashi, Kofu, Yamanashi, Japan
| | - Yasuki Higashimura
- Department of Food Science, Ishikawa Prefectural University, Nonoichi, Ishikawa, Japan
| | - Yuji Naito
- Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Katsuhiro Koyama
- Graduate School Department of Interdisciplinary Research, University of Yamanashi, Kofu, Yamanashi, Japan
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