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Effects of Antioxidant Gene Overexpression on Stress Resistance and Malignization In Vitro and In Vivo: A Review. Antioxidants (Basel) 2022; 11:antiox11122316. [PMID: 36552527 PMCID: PMC9774954 DOI: 10.3390/antiox11122316] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Revised: 11/17/2022] [Accepted: 11/21/2022] [Indexed: 11/25/2022] Open
Abstract
Reactive oxygen species (ROS) are normal products of a number of biochemical reactions and are important signaling molecules. However, at the same time, they are toxic to cells and have to be strictly regulated by their antioxidant systems. The etiology and pathogenesis of many diseases are associated with increased ROS levels, and many external stress factors directly or indirectly cause oxidative stress in cells. Within this context, the overexpression of genes encoding the proteins in antioxidant systems seems to have become a viable approach to decrease the oxidative stress caused by pathological conditions and to increase cellular stress resistance. However, such manipulations unavoidably lead to side effects, the most dangerous of which is an increased probability of healthy tissue malignization or increased tumor aggression. The aims of the present review were to collect and systematize the results of studies devoted to the effects resulting from the overexpression of antioxidant system genes on stress resistance and carcinogenesis in vitro and in vivo. In most cases, the overexpression of these genes was shown to increase cell and organism resistances to factors that induce oxidative and genotoxic stress but to also have different effects on cancer initiation and promotion. The last fact greatly limits perspectives of such manipulations in practice. The overexpression of GPX3 and SOD3 encoding secreted proteins seems to be the "safest" among the genes that can increase cell resistance to oxidative stress. High efficiency and safety potential can also be found for SOD2 overexpression in combinations with GPX1 or CAT and for similar combinations that lead to no significant changes in H2O2 levels. Accumulation, systematization, and the integral analysis of data on antioxidant gene overexpression effects can help to develop approaches for practical uses in biomedical and agricultural areas. Additionally, a number of factors such as genetic and functional context, cell and tissue type, differences in the function of transcripts of one and the same gene, regulatory interactions, and additional functions should be taken into account.
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Janion K, Strzelczyk JK, Walkiewicz KW, Biernacki K, Copija A, Szczepańska E, Nowakowska-Zajdel E. Evaluation of Malondialdehyde Level, Total Oxidant/Antioxidant Status and Oxidative Stress Index in Colorectal Cancer Patients. Metabolites 2022; 12:metabo12111118. [PMID: 36422258 PMCID: PMC9695970 DOI: 10.3390/metabo12111118] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 10/21/2022] [Accepted: 11/09/2022] [Indexed: 11/18/2022] Open
Abstract
Oxidative stress may play an important role in colorectal cancer (CRC). The present study included 94 adult patients with CRC (52 men and 42 women) and 26 hospitalized patients (12 men and 14 women) in whom CRC was excluded (control group). During hospitalization, blood serum samples were collected from both groups. Apart from that, anthropometric measurements were taken and other clinical data were analyzed. Serum malondialdehyde (MDA) level, total oxidant status (TOS), total antioxidant status (TAS) and oxidative stress index (OSI) were assayed. Subsequently, the relationship between the analyzed oxidative stress markers and selected clinical characteristics was investigated in both groups. The evaluation of oxidative stress marker values demonstrated that MDA and TAS levels were significantly higher in the control group than the CRC group (p < 0.001 and p = 0.019, respectively), while TOS levels were significantly higher in the CRC group than the control group (p = 0.005). Significantly lower OSI levels were found in the control group than in the CRC group (p < 0.001). Similar results can be observed when performing ROC analysis (receiver operating characteristic curve). Preliminary statistical analysis demonstrated that MDA levels in the study group depend on the location of the primary tumour (p = 0.035). Based on the post hoc Tukey test, a relationship was demonstrated between the MDA level and the left and right side of the colon (p = 0.040). The results may be evidence for a higher level of oxidative stress, including a compromised antioxidative defence system, in patients with CRC.
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Affiliation(s)
- Karolina Janion
- Department of Nutrition-Related Disease Prevention, Department of Metabolic Disease Prevention, Faculty of Health Sciences in Bytom, Medical University of Silesia in Katowice, 41-902 Bytom, Poland
| | - Joanna Katarzyna Strzelczyk
- Department of Medical and Molecular Biology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, 41-808 Zabrze, Poland
| | | | - Krzysztof Biernacki
- Department of Medical and Molecular Biology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, 41-808 Zabrze, Poland
| | - Angelika Copija
- Department of Nutrition-Related Disease Prevention, Department of Metabolic Disease Prevention, Faculty of Health Sciences in Bytom, Medical University of Silesia in Katowice, 41-902 Bytom, Poland
- Department of Clinical Oncology, No. 4 Provincial Specialist Hospital in Bytom, 41-902 Bytom, Poland
| | - Elżbieta Szczepańska
- Department of Human Nutrition, Faculty of Health Sciences in Bytom, Medical University of Silesia in Katowice, 41-808 Zabrze, Poland
| | - Ewa Nowakowska-Zajdel
- Department of Nutrition-Related Disease Prevention, Department of Metabolic Disease Prevention, Faculty of Health Sciences in Bytom, Medical University of Silesia in Katowice, 41-902 Bytom, Poland
- Department of Clinical Oncology, No. 4 Provincial Specialist Hospital in Bytom, 41-902 Bytom, Poland
- Correspondence:
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103
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Li H, Xu J, Zhang Y, Hong L, He Z, Zeng Z, Zhang L. Astragaloside IV alleviates senescence of vascular smooth muscle cells through activating Parkin-mediated mitophagy. Hum Cell 2022; 35:1684-1696. [PMID: 35925474 PMCID: PMC9515037 DOI: 10.1007/s13577-022-00758-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 07/18/2022] [Indexed: 01/10/2023]
Abstract
Astragaloside IV (AS-IV), as one of the main active components of Astragalus membranaceus, has been reported to have cardiovascular protective effects. However, the role and molecular mechanism of AS-IV in vascular senescence have not been clearly stated. The in vitro aging model was constructed using bleomycin (BLM) in vascular smooth muscle cells (VSMCs). Cell senescence were assessed through Western blotting analysis of aging markers, flow cytometry, and the β-galactosidase (SA-β-Gal) kit. Mitophagy was determined through transmission electron microscopy, TMRM staining, and Western blotting analysis of p62. A model of aging blood vessels was induced by D-gal. The vascular wall thickness of mice was also evaluated by H&E staining. Our data proved that AS-IV plays an anti-senescent role in vitro and in vivo. Results showed that AS-IV effectively improved mitochondrial injury, raised MMP, and mediated mitophagy in BLM-induced senescent VSMCs and D-gal induced aging mice. Parkin expression strengthened AS-IV's anti-senescent function. In conclusions, AS-IV attenuated BLM-induced VSMC senescence via Parkin to regulate mitophagy. Therefore, AS-IV-mediated Parkin might be a latent therapeutic agent and target for VSMC senescence.
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Affiliation(s)
- Huijun Li
- Department of Cardiology, The First Affiliated Hospital of Guangdong Pharmaceutical University, No. 19, Nonglinxia Road, Yuexiu District, Guangzhou, 510080, Guangdong, China
| | - Jialin Xu
- Department of Cardiology, The First Affiliated Hospital of Guangdong Pharmaceutical University, No. 19, Nonglinxia Road, Yuexiu District, Guangzhou, 510080, Guangdong, China
| | - Yanan Zhang
- Key Laboratory of Animal Virology of Ministry of Agriculture, Center for Veterinary Sciences, Zhejiang University, Hangzhou, China
| | - Lei Hong
- Department of Cardiology, Long Gang Central Hospital of Shenzhen, Shenzhen, 518116, Guangdong, China
| | - Zhijian He
- Department of Cardiology, The First Affiliated Hospital of Guangdong Pharmaceutical University, No. 19, Nonglinxia Road, Yuexiu District, Guangzhou, 510080, Guangdong, China
| | - Zhiheng Zeng
- Department of Cardiology, The First Affiliated Hospital of Guangdong Pharmaceutical University, No. 19, Nonglinxia Road, Yuexiu District, Guangzhou, 510080, Guangdong, China.
| | - Li Zhang
- Department of Cardiology, The First Affiliated Hospital of Guangdong Pharmaceutical University, No. 19, Nonglinxia Road, Yuexiu District, Guangzhou, 510080, Guangdong, China.
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Chen Y, Zhao S, Kang Y, Zhang Y, Chang X. Identification of immune infiltration landscape on prognosis and therapy of the ferroptosis-related genes signature in breast cancer. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2022; 1869:119328. [PMID: 35901969 DOI: 10.1016/j.bbamcr.2022.119328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 06/27/2022] [Accepted: 07/17/2022] [Indexed: 06/15/2023]
Abstract
Ferroptosis is a unique iron-dependent cell death mechanism characterized by the generation of lipid reactive oxygen species (ROS) in cancer cells, which leads to mitochondrial metabolic dysregulation. However, how could the tumor immune microenvironment (TIME) modulates ferroptosis remains unclear. Thus, by integrating multiple algorithms, we revealed the novel functional and immune patterns of the ferroptosis-related genes (FRGs) in breast cancer. Five prognostic FRGs were finally selected for the prognostic signature and four of which were identified as the independent biomarkers for immunotherapies. The consensus cluster analysis illustrated the FRGs were characterized by the metabolism dysfunction and immune infiltration cells, meanwhile, these FRGs have the same stem cell characteristics and response efficacy to the immunotherapies. In conclusion, a comprehensive analysis of the FRGs in breast cancer was conducted to develop a prognostic gene signature. Functional and immunological evidence of vulnerabilities in the interaction between ferroptosis and the TIME was also revealed. Further data and research are required.
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Affiliation(s)
- Yutong Chen
- Department of Surgical Oncology, Breast Surgery, General Surgery, First Affiliated Hospital of China Medical University, No. 77 PuHe Road, Shenyang North New Area, Shenyang 110122, China
| | - Siqiao Zhao
- Department of Surgical Oncology, Breast Surgery, General Surgery, First Affiliated Hospital of China Medical University, No. 77 PuHe Road, Shenyang North New Area, Shenyang 110122, China
| | - Yihan Kang
- Department of Anesthesiology, Shengjing Hospital of China Medical University, No. 77 PuHe Road, Shenyang North New Area, Shenyang 110122, China
| | - Yuelin Zhang
- Department of Clinical Epidemiology and Evidence-based Medicine, First Affiliated Hospital of China Medical University, No. 77 PuHe Road, Shenyang North New Area, Shenyang 110122, China
| | - Xu Chang
- Department of Surgical Oncology, Breast Surgery, General Surgery, First Affiliated Hospital of China Medical University, No. 77 PuHe Road, Shenyang North New Area, Shenyang 110122, China.
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Design, Synthesis and Evaluation of Novel 1,4-Disubstituted Piperazine-2,5-dione Derivatives as Antioxidants against H2O2-Induced Oxidative Injury via the IL-6/Nrf2 Loop Pathway. Antioxidants (Basel) 2022; 11:antiox11102014. [PMID: 36290737 PMCID: PMC9598289 DOI: 10.3390/antiox11102014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 10/08/2022] [Accepted: 10/09/2022] [Indexed: 11/17/2022] Open
Abstract
Excessive reactive oxygen species (ROS) production leads to oxidative stress in cells, impairing the function of mitochondria and finally inducing cell apoptosis. Considering the essential role of oxidative stress in the pathogenesis of various neurodegenerative diseases and psychiatric disorders, the discovery of novel antioxidants has attracted increasing attention. Herein, a series of novel 1,4-disubstituted piperazine-2,5-dione derivatives were designed, synthesized and evaluated for their antioxidative activity. The results of the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide (MTT) assay indicated that none of the tested compounds showed significant toxicity to SH-SY5Y cells at concentrations up to 80 μM. Cell counting via flow cytometry revealed that most of the tested compounds could effectively protect SH-SY5Y cells from H2O2-induced oxidative damage at 20 μM. Among these compounds, compound 9r exhibited the best antioxidative activity. Further mechanistic investigation indicated that 9r decreased ROS production and stabilized the mitochondrial membrane potential to restrain cell apoptosis, and promoted cell survival via an IL-6/Nrf2 positive-feedback loop. These results suggested the potential of compound 9r as a novel antioxidative candidate for the treatment of diseases caused by oxidative stress.
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106
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Mining Database to Identify Aging-Related Molecular Subtype and Prognostic Signature in Lung Adenocarcinoma. JOURNAL OF ONCOLOGY 2022; 2022:9142903. [PMID: 36268280 PMCID: PMC9578794 DOI: 10.1155/2022/9142903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Accepted: 09/05/2022] [Indexed: 11/18/2022]
Abstract
Background. Lung cancer is emerging as one of most deadly diseases, and the mortality rate was still high with 5-year overall survival rate less than 20%. Aging is referred as protumorigenic state, and it plays a significant role in cancer development. Methods. Molecular subtype of lung cancer was identified by consensus cluster analysis. Prognostic signature was constructed using LASSO cox regression analysis. CeRNA network was constructed to explore lncRNA-miRNA-mRNA regulatory axis. Results. A total of 27 differentially expressed aging-related genes (ARGs) were obtained in LUAD. Three clusters of TCGA-LUAD patients with significant difference in prognosis, immune infiltration, chemotherapy, and targeted therapy were identified. We also developed an aging-related prognostic signature that had a better performance in predicting the1-year, 3-year, and 5-year overall survival of LUAD. Further analysis suggested a significant correlation between prognostic signature gene expression and clinical stage, immune infiltration, tumor mutation burden, microsatellite instability, and drug sensitivity. We also identified the lncRNA UCA1/miR-143-3p/CDK1 regulatory axis in LUAD. Conclusion. Our study identified three clusters of TCGA-LUAD patients with significant difference in prognosis, immune infiltration, chemotherapy, and targeted therapy. We also developed an aging-related prognostic signature that had a good performance in the prognosis of LUAD.
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107
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Lin B, Huang G. An important polysaccharide from fermentum. Food Chem X 2022; 15:100388. [PMID: 36211774 PMCID: PMC9532711 DOI: 10.1016/j.fochx.2022.100388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 07/03/2022] [Accepted: 07/05/2022] [Indexed: 11/21/2022] Open
Abstract
Extraction, structure and modification of polysaccharides from fermentum were summarized. Structure-activity relationship and application of polysaccharides from fermentum were reviewed. It provided a strong basis for the development and application of polysaccharides from fermentum.
Fermentum is a common unicellular fungus with many biological activities attributed to β-polysaccharides. Different in vivo and in vivo experimental studies have long proven that fermentum β-polysaccharides have antioxidant, anti-tumor, and fungal toxin adsorption properties. However, there are many uncertainties regarding the relationship between the structure and biological activity of fermentum β-polysaccharides, and a systematic summary of fermentum β-polysaccharides is still lacking. Herein, we reviewed the research progress about the extraction, structure and modification, structure–activity relationship, activity and application of fermentum β-polysaccharides, compared the extraction methods of fermentum β-polysaccharide, and paid special attention to the structure–activity relationship and application of fermentum β-polysaccharide, which provided a strong basis for the development and application of fermentum β-polysaccharide.
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108
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Komine C, Uchibori S, Tsudukibashi O, Tsujimoto Y. Application of Reactive Oxygen Species in Dental Treatment. J Pers Med 2022; 12:jpm12091531. [PMID: 36143315 PMCID: PMC9503199 DOI: 10.3390/jpm12091531] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 09/07/2022] [Accepted: 09/13/2022] [Indexed: 11/16/2022] Open
Abstract
Reactive oxygen species (ROS) and free radicals, which have been implicated in inflammation, pain, carcinogenesis, and aging, are actually used in dental treatments such as tooth bleaching and composite resin polymerization. Recently, numerous studies have investigated the application of ROS in the medical and dental fields. In previous studies, ROS were generated intentionally through pathways such as photolysis, photocatalytic methods, and photodynamic therapy, which are used in the medical field to target cancer. In the field of dentistry, generated ROS are applied mainly for periodontal treatment and sterilization of the root canal, and its effectiveness as an antibacterial photodynamic therapy has been widely reported.. Given this background, the present article aimed to review the basic effects of ROS in dental medicine, especially endodontic therapy, and to discuss future applications of ROS.
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Affiliation(s)
- Chiaki Komine
- Department of Laboratory Medicine and Dentistry for the Compromised Patient, Nihon University School of Dentistry at Matsudo, Chiba 271-8587, Japan
- Correspondence: ; Tel.: +81-47-360-9465
| | - Satoshi Uchibori
- Department of Oral Function and Fixed Prothodontics, Nihon University School of Dentistry at Matsudo, Chiba 271-8587, Japan
| | - Osamu Tsudukibashi
- Department of Laboratory Medicine and Dentistry for the Compromised Patient, Nihon University School of Dentistry at Matsudo, Chiba 271-8587, Japan
| | - Yasuhisa Tsujimoto
- Department of Endodontics, Nihon University School of Dentistry at Matsudo, Chiba 271-8587, Japan
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Feng D, Zhu W, You J, Shi X, Han P, Wei W, Wei Q, Yang L. Mitochondrial Aldehyde Dehydrogenase 2 Represents a Potential Biomarker of Biochemical Recurrence in Prostate Cancer Patients. Molecules 2022; 27:6000. [PMID: 36144737 PMCID: PMC9500792 DOI: 10.3390/molecules27186000] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 09/04/2022] [Accepted: 09/06/2022] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND We aimed to explore the role of mitochondrial aldehyde dehydrogenase 2 (ALDH2) in prostate cancer (PCa) patients and provide insights into the tumor immune microenvironment (TME) for those patients undergoing radical radiotherapy. METHODS We performed all analyses using R version 3.6.3 and its suitable packages. Cytoscape 3.8.2 was used to establish network of competing endogenous RNAs (ceRNAs). RESULTS Downregulation of ADLH2 was significantly associated with higher risk of BCR-free survival (HR: 0.40, 95%CI: 0.24-0.68, p = 0.001) and metastasis-free survival (HR: 0.21, 95%CI: 0.09-0.49, p = 0.002). Additionally, ALDH2 repression contributed to significantly shorter BCR-free survival in the TCGA database (HR: 0.55, 95%CI: 0.33-0.93, p = 0.027). For immune checkpoints, patients that expressed a higher level of CD96 had a higher risk of BCR than their counterparts (HR: 1.79, 95%CI: 1.06-3.03, p = 0.032), as well as NRP1 (HR: 2.18, 95%CI: 1.29-3.69, p = 0.005). In terms of the TME parameters, the spearman analysis showed that ALDH was positively associated with B cells (r: 0.13), CD8+ T cells (r: 0.19), neutrophils (r: 0.13), and macrophages (r: 0.17). Patients with higher score of neutrophils (HR: 1.75, 95%CI: 1.03-2.95, p = 0.038), immune score (HR: 1.92, 95%CI: 1.14-3.25, p = 0.017), stromal score (HR: 2.52, 95%CI: 1.49-4.26, p = 0.001), and estimate score (HR: 1.81, 95%CI: 1.07-3.06, p = 0.028) had higher risk of BCR than their counterparts. Our ceRNA network found that PART1 might regulate the expression of ALDH via has-miR-578 and has-miR-6833-3p. Besides, PHA-793887, PI-103, and piperlongumine had better correlations with ALDH2. CONCLUSIONS We found that ALDH2 might serve as a potential biomarker predicting biochemical recurrence for PCa patients.
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Affiliation(s)
| | | | | | | | | | | | - Qiang Wei
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Lu Yang
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu 610041, China
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Gao SJ, Li DY, Liu DQ, Sun J, Zhang LQ, Wu JY, Song FH, Zhou YQ, Mei W. Dimethyl Fumarate Attenuates Pain Behaviors in Osteoarthritis Rats via Induction of Nrf2-Mediated Mitochondrial Biogenesis. Mol Pain 2022; 18:17448069221124920. [PMID: 36065971 PMCID: PMC9478692 DOI: 10.1177/17448069221124920] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
AIMS Osteoarthritis (OA), a chronic degenerative disease, leads to pain and loss of function. Existing treatments for OA pain have limited efficacy and show significant side effects. Dimethyl fumarate, a robust nuclear factor erythroid 2-related factor 2 (Nrf2) activator, could alleviate pain behaviors in chronic pain. This study aims to investigate the role of dimethyl fumarate in a rat model of OA and its underlying mechanisms. METHODS We used von Frey filaments to assess the mechanical allodynia. Weight-bearing apparatus was employed to assess the hindlimb weight distribution. Western blot was employed to investigate the protein expressions of mitochondrial biogenesis markers. RT-qPCR was employed to examine the copy number of mitochondrial DNA (mtDNA). RESULTS Dimethyl fumarate upregulated mechanical paw withdrawal threshold (MIA + Vehicle, 1.6 ± 0.13g [mean ± SEM]; MIA + DMF, 10.5 ± 0.96g; P < 0.0001). Hindlimb weight distribution was alao upregulated by dimethyl fumarate (MIA + Vehicle, 38.17 ± 0.72g; MIA + DMF, 43.59 ± 1.01g; P < 0.01). Besides, activation of Nrf2 remarkably upregulated the protein levels of PGC-1α (MIA + Vehicle, 0.69 ± 0.07; MIA + DMF, 1.08 ± 0.09; P = 0.0037), NRF1 (MIA + Vehicle, 0.69 ± 0.04; MIA + DMF, 1.00 ± 0.11; P = 0.0114), TFAM (MIA + Vehicle, 0.62 ± 0.11; MIA + DMF, 1.02 ± 0.12; P = 0.0147), and the copy number of mtDNA(MIA + Vehicle, 0.52 ± 0.05; MIA + DMF, 3.81 ± 0.21; P < 0.0001) Conclusions: Taken together, these results show that dimethyl fumarate alleviated pain-related behaviors in a rat model of OA through activation of Nrf2-induced mitochondrial biogenesis.
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Affiliation(s)
- Shao-Jie Gao
- Department of Anesthesiology, Tongji Hospital, Tongji
Medical College, Huazhong University of Science and
Technology, Wuhan, China
| | - Dan-Yang Li
- Department of Anesthesiology, Tongji Hospital, Tongji
Medical College, Huazhong University of Science and
Technology, Wuhan, China
| | - Dai-Qiang Liu
- Department of Anesthesiology, Tongji Hospital, Tongji
Medical College, Huazhong University of Science and
Technology, Wuhan, China
| | - Jia Sun
- Department of Anesthesiology, Tongji Hospital, Tongji
Medical College, Huazhong University of Science and
Technology, Wuhan, China
| | - Long-Qing Zhang
- Department of Anesthesiology, Tongji Hospital, Tongji
Medical College, Huazhong University of Science and
Technology, Wuhan, China
| | - Jia-Yi Wu
- Department of Anesthesiology, Tongji Hospital, Tongji
Medical College, Huazhong University of Science and
Technology, Wuhan, China
| | - Fan-He Song
- Department of Anesthesiology, Tongji Hospital, Tongji
Medical College, Huazhong University of Science and
Technology, Wuhan, China
| | - Ya-Qun Zhou
- Department of Anesthesiology, Tongji Hospital, Tongji
Medical College, Huazhong University of Science and
Technology, Wuhan, China
| | - Wei Mei
- Department of Anesthesiology, Tongji Hospital, Tongji
Medical College, Huazhong University of Science and
Technology, Wuhan, China
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Zahoor H, Watchaputi K, Hata J, Pabuprapap W, Suksamrarn A, Chua LS, Soontorngun N. Model yeast as a versatile tool to examine the antioxidant and anti-ageing potential of flavonoids, extracted from medicinal plants. Front Pharmacol 2022; 13:980066. [PMID: 36120300 PMCID: PMC9479101 DOI: 10.3389/fphar.2022.980066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 08/08/2022] [Indexed: 11/13/2022] Open
Abstract
The demand for the production of herbal extracts for cosmetics, food, and health supplements, known as plant-based medicine, is rising globally. Incorporating herbal extracts could help to create higher value products due to the functional properties of bioactive compounds. Because the phytochemical composition could vary depending on the processing methods, a simple bioassay of herbal bioactive compounds is an important screening method for the purposes of functional characterization and quality assurance. As a simplified eukaryotic model, yeast serves as a versatile tool to examine functional property of bioactive compounds and to gain better understanding of fundamental cellular processes, because they share similarities with the processes in humans. In fact, aging is a well-conserved phenomenon between yeast and humans, making yeast a powerful genetic tool to examine functional properties of key compounds obtained from plant extracts. This study aimed to apply a well-established model yeast, Saccharomyces cerevisiae, to examine the antioxidant and anti-aging potential of flavonoids, extracted from medicinal plants, and to gain insight into yeast cell adaptation to oxidative stress. Some natural quercetin analogs, including morin, kaempferol, aromadendrin, and steppogenin, protected yeast cells against oxidative stress induced by acetic acid, as shown by decreased cell sensitivity. There was also a reduction in intracellular reactive oxygen species following acetic acid treatment. Using the chronological aging assay, quercetin, morin, and steppogenin could extend the lifespan of wild-type S. cerevisiae by 15%–25%. Consistent with the fact that oxidative stress is a key factor to aging, acetic acid resistance was associated with increased gene expression of TOR1, which encodes a key growth signaling kinase, and MSN2 and MSN4, which encode stress-responsive transcription factors. The addition of the antioxidant morin could counteract this increased expression, suggesting a possible modulatory role in cell signaling and the stress response of yeast. Therefore, yeast represents a versatile model organism and rapid screening tool to discover potentially rejuvenescent molecules with anti-aging and anti-oxidant potential from natural resources and to advance knowledge in the molecular study of stress and aging.
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Affiliation(s)
- Hira Zahoor
- Gene Technology Laboratory, Division of Biochemical Technology, School of Bioresources and Technology, King Mongkut’s University of Technology Thonburi, Bangkok, Thailand
| | - Kwanrutai Watchaputi
- Gene Technology Laboratory, Division of Biochemical Technology, School of Bioresources and Technology, King Mongkut’s University of Technology Thonburi, Bangkok, Thailand
| | - Janejira Hata
- Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Sciences, Ramkhamhaeng University, Bangkok, Thailand
| | - Wachirachai Pabuprapap
- Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Sciences, Ramkhamhaeng University, Bangkok, Thailand
| | - Apichart Suksamrarn
- Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Sciences, Ramkhamhaeng University, Bangkok, Thailand
| | - Lee Suan Chua
- Metabolites Profiling Laboratory, Institute of Bioproduct Development, Universiti Teknologi Malaysia, Johor Bahru, Johor, Malaysia
| | - Nitnipa Soontorngun
- Gene Technology Laboratory, Division of Biochemical Technology, School of Bioresources and Technology, King Mongkut’s University of Technology Thonburi, Bangkok, Thailand
- *Correspondence: Nitnipa Soontorngun,
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Shi Y, Luo Z, You J. Subcellular delivery of lipid nanoparticles to endoplasmic reticulum and mitochondria. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2022; 14:e1803. [PMID: 35441489 DOI: 10.1002/wnan.1803] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 03/23/2022] [Accepted: 03/27/2022] [Indexed: 06/14/2023]
Abstract
Primarily responsible for the biogenesis and metabolism of biomolecules, endoplasmic reticulum (ER) and mitochondria are gradually becoming the targets of therapeutic modulation, whose physiological activities and pathological manifestations determine the functional capacity and even the survival of cells. Drug delivery systems with specific physicochemical properties (passive targeting), or modified by small molecular compounds, polypeptides, and biomembranes demonstrating tropism for ER and mitochondria (active targeting) are able to reduce the nonselective accumulation of drugs, enhancing efficacy while reducing side effects. Lipid nanoparticles feature high biocompatibility, diverse cargo loading, and flexible structure modification, which are frequently used for subcellular organelle-targeted delivery of therapeutics. However, there is still a lack of systematic understanding of lipid nanoparticle-based ER and mitochondria targeting. Herein, we review the pathological significance of drug selectively delivered to the ER and mitochondria. We also summarize the molecular basis and application prospects of lipid nanoparticle-based ER and mitochondria targeting strategies, which may provide guidance for the prevention and treatment of associated diseases and disorders. This article is categorized under: Therapeutic Approaches and Drug Discovery > Nanomedicine for Oncologic Disease Biology-Inspired Nanomaterials > Lipid-Based Structures Nanotechnology Approaches to Biology > Nanoscale Systems in Biology Diagnostic Tools > In Vivo Nanodiagnostics and Imaging.
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Affiliation(s)
- Yingying Shi
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, China
| | - Zhenyu Luo
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, China
| | - Jian You
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, China
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Zhang JJ, Chen KC, Zhou Y, Wei H, Qi MH, Wang Z, Zheng YN, Chen RX, Liu S, Li W. Evaluating the effects of mitochondrial autophagy flux on ginsenoside Rg2 for delaying D-galactose induced brain aging in mice. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 104:154341. [PMID: 35870376 DOI: 10.1016/j.phymed.2022.154341] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 06/24/2022] [Accepted: 07/14/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Aging is an inevitable gradual process of the body, which can cause dysfunction or degeneration of the nervous or immune system, thus becoming a critical pathogenic factor inducing neurodegenerative diseases. Previous reports have confirmed that saponins (ginsenosides) derived from Panax ginseng. C.A. Meyer exerted obvious memory-enhancing and anti-aging effects, and the simpler the structure of ginsenosides, the better the biological activity. Ginsenoside Rg2 (Rg2) is a prominent and representative panaxatriol-type ginsenoside produced during ginseng processing, which has been reported to have pretty good neuroprotective activity. PURPOSE The work was aimed at exploring the therapeutic effects and possible molecular mechanisms of Rg2 by establishing the subacute brain aging model induced by D-galactose (D-gal) in mice. METHODS The anti-aging activity of G-Rg2 (10, 20 mg/kg for 4 weeks) was assessed using the D-gal induced brain aging model (800 mg/kg for 8 weeks). The Morris water maze (MWM) and histopathological analysis were used to evaluate the cognitive function and pathological changes of the brain in mice, respectively. The protein expression levels of p53, p21, p16ink4α, IL-6, CDK4, ATG3, ATG5, ATG7, LC3, p62, LAMP2, and TFEB were quantified through western blot analysis. The degree of mitochondrial damage and the number of mitochondrial autophagolysosomes in hippocampal neurons were monitored using TEM analysis. RESULTS The results showed that Rg2 could significantly restore D-gal-induced impaired memory function, choline dysfunction, and redox system imbalance in mice. Rg2 treatment also considerably decreased the over-expression of aging-related proteins such as p53/p21/p16ink4α induced by D-galactose, which demonstrated that Rg2 possessed good anti-aging activity. Meanwhile, Rg2 could evidently reduce the pathological changes caused by D-gal exposure. Moreover, the results from transmission electron microscopy and western blot analysis indicated that Rg2 could delay the brain aging induced by D-gal in mice via promoting the degradation of the autophagy substrate p62 while increasing the protein expression level of LAMP2/TFEB to maintain mitochondrial function. CONCLUSION These results indicate that Rg2 could postpone brain aging by increasing mitochondrial autophagy flux to maintain mitochondrial function, which greatly enriched the research on the pharmacological activity of ginsenosides for delaying brain aging.
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Affiliation(s)
- Jun-Jie Zhang
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China; National & Local Joint Engineering Research Center for Ginseng Breeding and Development, Changchun 130118, China
| | - Ke-Cheng Chen
- Looking Up Starry Sky Medical Research Center, Siping 136001, China
| | - Yue Zhou
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China; National & Local Joint Engineering Research Center for Ginseng Breeding and Development, Changchun 130118, China
| | - Heng Wei
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China; National & Local Joint Engineering Research Center for Ginseng Breeding and Development, Changchun 130118, China
| | - Meng-Han Qi
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China; National & Local Joint Engineering Research Center for Ginseng Breeding and Development, Changchun 130118, China
| | - Zi Wang
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China; National & Local Joint Engineering Research Center for Ginseng Breeding and Development, Changchun 130118, China
| | - Yi-Nan Zheng
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Ri-Xin Chen
- Looking Up Starry Sky Medical Research Center, Siping 136001, China
| | - Shuang Liu
- Goldenwell Biotechnology, Inc., Reno 89501, United States
| | - Wei Li
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China; National & Local Joint Engineering Research Center for Ginseng Breeding and Development, Changchun 130118, China.
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Panigrahi DP, Patra S, Behera BP, Behera PK, Patil S, Patro BS, Rout L, Sarangi I, Bhutia SK. MTP18 inhibition triggers mitochondrial hyperfusion to induce apoptosis through ROS-mediated lysosomal membrane permeabilization-dependent pathway in oral cancer. Free Radic Biol Med 2022; 190:307-319. [PMID: 35985563 DOI: 10.1016/j.freeradbiomed.2022.08.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 08/09/2022] [Accepted: 08/11/2022] [Indexed: 11/20/2022]
Abstract
Although stress-induced mitochondrial hyperfusion (SIMH) exerts a protective role in aiding cell survival, in the absence of mitochondrial fission, SIMH drives oxidative stress-related induction of apoptosis. In this study, our data showed that MTP18, a mitochondrial fission-promoting protein expression, was increased in oral cancer. We have screened and identified S28, a novel inhibitor of MTP18, which was found to induce SIMH and subsequently trigger apoptosis. Interestingly, it inhibited MTP18-mediated mitochondrial fission, as shown by a decrease in p-Drp1 along with increased Mfn1 expression in oral cancer cells. Moreover, S28 induced autophagy but not mitophagy due to the trouble in engulfment of hypoperfused mitochondria. Interestingly, S28-mediated SIMH resulted in the loss of mitochondrial membrane potential, leading to the consequent generation of mitochondrial superoxide to induce intrinsic apoptosis. Mechanistically, S28-induced mitochondrial superoxide caused lysosomal membrane permeabilization (LMP), resulting in decreased lysosomal pH, which impaired autophagosome-lysosome fusion. In this setting, it showed that overexpression of MTP18 resulted in mitochondrial fission leading to mitophagy and inhibition of superoxide-mediated LMP and apoptosis. Further, S28, in combination with FDA-approved anticancer drugs, exhibited higher apoptotic activity and decreased cell viability, suggesting the MTP18 inhibition combined with the anticancer drug could have greater efficacy against cancer.
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Affiliation(s)
- Debasna Pritimanjari Panigrahi
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Sundargarh, 769008, Odisha, India
| | - Srimanta Patra
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Sundargarh, 769008, Odisha, India
| | - Bishnu Prasad Behera
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Sundargarh, 769008, Odisha, India
| | - Pradyota Kumar Behera
- Post Graduate Department of Chemistry, Berhampur University, Bhanja Bihar, Berhampur, 760007, India
| | - Shankargouda Patil
- Division of Oral Pathology, Department of Maxillofacial Surgery and Diagnostic Sciences, College of Dentistry, Jazan University, Jazan, Saudi Arabia; Centre of Molecular Medicine and Diagnostics (COMManD), Saveetha Dental College & Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai - 600 077, India
| | | | - Laxmidhar Rout
- Post Graduate Department of Chemistry, Berhampur University, Bhanja Bihar, Berhampur, 760007, India.
| | - Itisam Sarangi
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, 48109, USA.
| | - Sujit Kumar Bhutia
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Sundargarh, 769008, Odisha, India.
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Targeting Redox Regulation as a Therapeutic Opportunity against Acute Leukemia: Pro-Oxidant Strategy or Antioxidant Approach? Antioxidants (Basel) 2022; 11:antiox11091696. [PMID: 36139768 PMCID: PMC9495346 DOI: 10.3390/antiox11091696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 08/07/2022] [Accepted: 08/26/2022] [Indexed: 11/17/2022] Open
Abstract
Redox adaptation is essential for human health, as the physiological quantities of non-radical reactive oxygen species operate as the main second messengers to regulate normal redox reactions by controlling several sensors. An abnormal increase reactive oxygen species, called oxidative stress, induces biological injury. For this reason, variations in oxidative stress continue to receive consideration as a possible approach to treat leukemic diseases. However, the intricacy of redox reactions and their effects might be a relevant obstacle; consequently, and alongside approaches aimed at increasing oxidative stress in neoplastic cells, antioxidant strategies have also been suggested for the same purpose. The present review focuses on the molecular processes of anomalous oxidative stress in acute myeloid and acute lymphoblastic leukemias as well as on the oxidative stress-determined pathways implicated in leukemogenic development. Furthermore, we review the effect of chemotherapies on oxidative stress and the possibility that their pharmacological effects might be increased by modifying the intracellular redox equilibrium through a pro-oxidant approach or an antioxidant strategy. Finally, we evaluated the prospect of varying oxidative stress as an efficacious modality to destroy chemoresistant cells using new methodologies. Altering redox conditions may be advantageous for inhibiting genomic variability and the eradication of leukemic clones will promote the treatment of leukemic disease.
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Synergism Potentiates Oxidative Antiproliferative Effects of Naringenin and Quercetin in MCF-7 Breast Cancer Cells. Nutrients 2022; 14:nu14163437. [PMID: 36014942 PMCID: PMC9412616 DOI: 10.3390/nu14163437] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 08/13/2022] [Accepted: 08/18/2022] [Indexed: 11/23/2022] Open
Abstract
Breast cancer (BC) is the most frequently diagnosed type of cancer as of 2020. Quercetin (Que) and Naringenin (Nar) are predominantly found in citrus fruits and vegetables and have shown promising antiproliferative effects in multiple studies. It is also known that the bioactive effects of these flavonoids are more pronounced in whole fruit than in isolation. This study investigates the potential synergistic effects of Que and Nar (CoQN) in MCF-7 BC cells. MCF-7 cells were treated with a range of concentrations of Que, Nar or CoQN to determine cell viability. The IC50 of CoQN was then used to investigate caspase 3/7 activity, Bcl-2 gene expression, lipid peroxidation and mitochondrial membrane potential to evaluate oxidative stress and apoptosis. CoQN treatment produced significant cytotoxicity, reduced Bcl-2 gene expression and increased caspase 3/7 activity compared to either Nar or Que. Furthermore, CoQN significantly increased lipid peroxidation and reduced mitochondrial membrane potential (MMP) compared to either Nar or Que. Therefore, CoQN treatment has potential pharmacological application in BC chemotherapy by inducing oxidative stress and apoptosis in MCF-7 BC cells. The results of this study support the increased consumption of whole fruits and vegetables to reduce cell proliferation in cancer.
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Lefferts WK, Davis MM, Valentine RJ. Exercise as an Aging Mimetic: A New Perspective on the Mechanisms Behind Exercise as Preventive Medicine Against Age-Related Chronic Disease. Front Physiol 2022; 13:866792. [PMID: 36045751 PMCID: PMC9420936 DOI: 10.3389/fphys.2022.866792] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 06/06/2022] [Indexed: 11/29/2022] Open
Abstract
Age-related chronic diseases are among the most common causes of mortality and account for a majority of global disease burden. Preventative lifestyle behaviors, such as regular exercise, play a critical role in attenuating chronic disease burden. However, the exact mechanism behind exercise as a form of preventative medicine remains poorly defined. Interestingly, many of the physiological responses to exercise are comparable to aging. This paper explores an overarching hypothesis that exercise protects against aging/age-related chronic disease because the physiological stress of exercise mimics aging. Acute exercise transiently disrupts cardiovascular, musculoskeletal, and brain function and triggers a substantial inflammatory response in a manner that mimics aging/age-related chronic disease. Data indicate that select acute exercise responses may be similar in magnitude to changes seen with +10–50 years of aging. The initial insult of the age-mimicking effects of exercise induces beneficial adaptations that serve to attenuate disruption to successive “aging” stimuli (i.e., exercise). Ultimately, these exercise-induced adaptations reduce the subsequent physiological stress incurred from aging and protect against age-related chronic disease. To further examine this hypothesis, future work should more intricately describe the physiological signature of different types/intensities of acute exercise in order to better predict the subsequent adaptation and chronic disease prevention with exercise training in healthy and at-risk populations.
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Li XQ, Wang Y, Yang SJ, Liu Y, Ma X, Liu L, Li SH, Niu D, Duan X. Melatonin protects against maternal diabetes-associated meiotic defects by maintaining mitochondrial function. Free Radic Biol Med 2022; 188:386-394. [PMID: 35792241 DOI: 10.1016/j.freeradbiomed.2022.06.243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 06/22/2022] [Accepted: 06/29/2022] [Indexed: 12/09/2022]
Abstract
Maternal diabetes has been widely reported to adversely affect oocyte quality. Although various molecules and pathways may be involved in this process, strategies to prevent maternal diabetes-induced deterioration of oocyte quality remain unexplored. Melatonin is synthesized by the pineal gland and has been shown to have beneficial effects on oocyte quality owing to its antioxidative function. In the present study, we found that the exposure of oocytes of diabetic mice to melatonin, in vitro, alleviated aberrant oocyte maturation competence. Notably, melatonin supplementation attenuated defects in spindle organization and chromosome alignment by mediating the expression of TPX2 and pericentrin localization. Importantly, melatonin eliminated the accumulation of reactive oxygen species and increased the cytosolic Ca2+ levels in diabetic oocytes by maintaining mitochondrial function. Moreover, the occurrence of autophagy and apoptosis was reversed in diabetic oocytes after melatonin exposure via decreased LC3β expression. Collectively, our findings provide evidence that melatonin supplementation can protect oocytes from maternal diabetes-related meiotic defects and poor egg quality, providing a potential strategy for improving oocyte quality in assisted reproductive technologies.
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Affiliation(s)
- Xiao-Qing Li
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, Hangzhou, 311300, China
| | - Yi Wang
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, Hangzhou, 311300, China
| | - Shu-Jie Yang
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, Hangzhou, 311300, China
| | - Yu Liu
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, Hangzhou, 311300, China
| | - Xiang Ma
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, Hangzhou, 311300, China
| | - Lu Liu
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, Hangzhou, 311300, China
| | - Si-Hong Li
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, Hangzhou, 311300, China
| | - Dong Niu
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, Hangzhou, 311300, China.
| | - Xing Duan
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, Hangzhou, 311300, China.
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Sanz FJ, Solana-Manrique C, Lilao-Garzón J, Brito-Casillas Y, Muñoz-Descalzo S, Paricio N. Exploring the link between Parkinson's disease and type 2 diabetes mellitus in Drosophila. FASEB J 2022; 36:e22432. [PMID: 35766235 DOI: 10.1096/fj.202200286r] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 05/10/2022] [Accepted: 06/13/2022] [Indexed: 12/12/2022]
Abstract
Parkinson's disease (PD) is the second most common neurodegenerative disease. Diabetes mellitus (DM) is a metabolic disease characterized by high levels of glucose in blood. Recent epidemiological studies have highlighted the link between both diseases; it is even considered that DM might be a risk factor for PD. To further investigate the likely relation of these diseases, we have used a Drosophila PD model based on inactivation of the DJ-1β gene (ortholog of human DJ-1), and diet-induced Drosophila and mouse type 2 DM (T2DM) models, together with human neuron-like cells. T2DM models were obtained by feeding flies with a high sugar-containing medium, and mice with a high fat diet. Our results showed that both fly models exhibit common phenotypes such as alterations in carbohydrate homeostasis, mitochondrial dysfunction or motor defects, among others. In addition, we demonstrated that T2DM might be a risk factor of developing PD since our diet-induced fly and mouse T2DM models present DA neuron dysfunction, a hallmark of PD. We also confirmed that neurodegeneration is caused by increased glucose levels, which has detrimental effects in human neuron-like cells by triggering apoptosis and leading to cell death. Besides, the observed phenotypes were exacerbated in DJ-1β mutants cultured in the high sugar medium, indicating that DJ-1 might have a role in carbohydrate homeostasis. Finally, we have confirmed that metformin, an antidiabetic drug, is a potential candidate for PD treatment and that it could prevent PD onset in T2DM model flies. This result supports antidiabetic compounds as promising PD therapeutics.
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Affiliation(s)
- Francisco José Sanz
- Departamento de Genética, Facultad CC Biológicas, Universidad de Valencia, Burjassot, Spain.,Instituto Universitario de Biotecnología y Biomedicina (BIOTECMED), Universidad de Valencia, Burjassot, Spain
| | - Cristina Solana-Manrique
- Departamento de Genética, Facultad CC Biológicas, Universidad de Valencia, Burjassot, Spain.,Instituto Universitario de Biotecnología y Biomedicina (BIOTECMED), Universidad de Valencia, Burjassot, Spain
| | - Joaquín Lilao-Garzón
- Instituto Universitario de Investigaciones Biomédicas y Sanitarias (IUIBS), Universidad de Las Palmas de Gran Canaria (ULPGC), Las Palmas de Gran Canaria, Spain
| | - Yeray Brito-Casillas
- Instituto Universitario de Investigaciones Biomédicas y Sanitarias (IUIBS), Universidad de Las Palmas de Gran Canaria (ULPGC), Las Palmas de Gran Canaria, Spain
| | - Silvia Muñoz-Descalzo
- Instituto Universitario de Investigaciones Biomédicas y Sanitarias (IUIBS), Universidad de Las Palmas de Gran Canaria (ULPGC), Las Palmas de Gran Canaria, Spain
| | - Nuria Paricio
- Departamento de Genética, Facultad CC Biológicas, Universidad de Valencia, Burjassot, Spain.,Instituto Universitario de Biotecnología y Biomedicina (BIOTECMED), Universidad de Valencia, Burjassot, Spain
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Targeting Oxidative Stress Mechanisms to Treat Alzheimer’s and Parkinson’s Disease: A Critical Review. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:7934442. [PMID: 35958022 PMCID: PMC9357807 DOI: 10.1155/2022/7934442] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 07/12/2022] [Indexed: 02/05/2023]
Abstract
Neurodegenerative disorders such as Alzheimer's disease (AD) and Parkinson's disease (PD) are becoming more frequent as the age increases. Contemporary therapies provide symptom resolution instead of targeting underlying pathological pathways. Consequently, there is considerable heterogeneity in response to treatment. Research has elucidated multiple potential of pathophysiological mechanisms contributing to neurodegenerative conditions, among which oxidative stress pathways appear to be suitable drug targets. The oxidative stress pathway has given rise to numerous novel pharmacological therapies that may provide a new avenue for neurodegenerative diseases. For example, SKQ (plastoquinone), MitoVitE, vitamin E, SOD mimic, MitoTEMPO (SOD mimetic), and bioactive molecules like curcumin and vitamin C have indeed been examined. To better understand how oxidative stress contributes to neurodegenerative diseases (such as Alzheimer's and Parkinson's), we analyzed the medicinal qualities of medicines that target markers in the cellular oxidative pathways. The specific pathway by which mitochondrial dysfunction causes neurodegeneration will require more investigation. An animal study should be carried out on medications that tackle cellular redox mechanisms but are not currently licensed for use in the management of neurodegenerative conditions.
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Mitochondria-Targeted Delivery of Camptothecin Based on HPMA Copolymer for Metastasis Suppression. Pharmaceutics 2022; 14:pharmaceutics14081534. [PMID: 35893790 PMCID: PMC9331251 DOI: 10.3390/pharmaceutics14081534] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 06/10/2022] [Accepted: 07/20/2022] [Indexed: 01/02/2023] Open
Abstract
Poor anti-metastasis effects and side-effects remain a challenge for the clinical application of camptothecin (CPT). Mitochondria can be a promising target for the treatment of metastatic tumors due to their vital roles in providing energy supply, upregulating pro-metastatic factors, and controlling cell-death signaling. Thus, selectively delivering CPT to mitochondria appears to be a feasible way of improving the anti-metastasis effect and reducing adverse effects. Here, we established a 2-(dimethylamino) ethyl methacrylate (DEA)-modified N-(2-hydroxypropyl) methacrylamide (HPMA) copolymer–CPT conjugate (P-DEA-CPT) to mediate the mitochondrial accumulation of CPT. The mitochondria-targeted P-DEA-CPT could overcome multiple barriers by quickly internalizing into 4T1 cells, then escaping from lysosome, and sufficiently accumulating in mitochondria. Subsequently, P-DEA-CPT greatly damaged mitochondrial function, leading to the reactive oxide species (ROS) elevation, energy depletion, apoptosis amplification, and tumor metastasis suppression. Consequently, P-DEA-CPT successfully inhibited both primary tumor growth and distant metastasis in vivo. Furthermore, our studies revealed that the mechanism underlying the anti-metastasis capacity of P-DEA-CPT was partially via downregulation of various pro-metastatic proteins, such as hypoxia induction factor-1α (HIF-1α), matrix metalloproteinases-2 (MMP-2), and vascular endothelial growth factor (VEGF). This study provided the proof of concept that escorting CPT to mitochondria via a mitochondrial targeting strategy could be a promising approach for anti-metastasis treatment.
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Zhao C, Tang J, Li X, Yan Z, Zhao L, Lang W, Yuan C, Zhou C. Beneficial effects of procyanidin B2 on adriamycin-induced nephrotic syndrome mice: the multi-action mechanism for ameliorating glomerular permselectivity injury. Food Funct 2022; 13:8436-8464. [PMID: 35861207 DOI: 10.1039/d1fo03616e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Despite considerable advances in prevention, diagnosis, and therapy, nephrotic syndrome (NS) remains a significant cause of high morbidity and mortality globally. As a result, there is an urgent need to identify novel effective preventative and therapeutic agents for NS. NS is implicated in glomerular permselectivity injury, which can be attributed to oxidative distress, inflammation, lipid nephrotoxicity, podocyte apoptosis, autophagy dysfunction, and slit diaphragm (SLD) dysfunction. In addition to its well-documented antioxidant potency, procyanidin B2 (PB2) may exhibit pleiotropic effects by targeting various canonical signaling events, such as NF-κB, PPARs, PI3K/Akt, mTOR, and the caspase family. As a result, PB2 may be a promising therapeutic target against NS. To test this hypothesis, we established an Adriamycin (ADR)-induced NS mouse model to evaluate the pleiotropic renoprotective effects of PB2 on NS. Here, we demonstrated that PB2 improves podocyte injury via inhibition of NOX4/ROS and Hsp90/NF-κB to exhibit antioxidant and anti-inflammatory potency, respectively. We also show that PB2 indirectly activates the PI3K/Akt axis by regulating SLD protein levels, resulting in normalized podocyte apoptosis and autophagy function. Further, loss of albumin (ALB) induces lipid nephrotoxicity, which we found to be alleviated by PB2 via activation of PPARα/β-mediated lipid homeostasis and the cholesterol efflux axis. Interestingly, our results also suggested that PB2 reduces electrolyte abnormalities and edema. In addition, PB2 may contribute protective effects against trace element dys-homeostasis, which, through alleviating serum ALB loss, leads to a protective effect on glomerular permselectivity injury. Taken together, our results reveal that the identified mechanisms of PB2 on NS are multifactorial and involve inhibition of oxidative distress and inflammatory responses, as well as improvements in podocyte apoptosis and autophagy dysfunction, amelioration of lipid nephrotoxicity, and modulation of electrolyte abnormalities and edema. Thus, we provide a theoretical basis for the clinical application of PB2 against NS.
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Affiliation(s)
- Chuanping Zhao
- Key Laboratory of Pharmaceutical Quality Control of Hebei Province, College of Pharmaceutical Sciences, Institute of Life Science and Green Development, Hebei University, 180 WuSi Road, Lianchi District, Baoding, 071002, China.
| | - Jiamei Tang
- Key Laboratory of Pharmaceutical Quality Control of Hebei Province, College of Pharmaceutical Sciences, Institute of Life Science and Green Development, Hebei University, 180 WuSi Road, Lianchi District, Baoding, 071002, China.
| | - Xiaoya Li
- Key Laboratory of Pharmaceutical Quality Control of Hebei Province, College of Pharmaceutical Sciences, Institute of Life Science and Green Development, Hebei University, 180 WuSi Road, Lianchi District, Baoding, 071002, China.
| | - Zihan Yan
- Key Laboratory of Pharmaceutical Quality Control of Hebei Province, College of Pharmaceutical Sciences, Institute of Life Science and Green Development, Hebei University, 180 WuSi Road, Lianchi District, Baoding, 071002, China.
| | - Liangliang Zhao
- Department of Monitoring and Analysis, Baoding Environmental Monitoring Center of Hebei Province, 224 Dongfeng Road, Lianchi District, Baoding, 071000, China
| | - Wenbo Lang
- Department of Monitoring and Analysis, Baoding Environmental Monitoring Center of Hebei Province, 224 Dongfeng Road, Lianchi District, Baoding, 071000, China
| | - Chunmao Yuan
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang 550014, China
| | - Chengyan Zhou
- Key Laboratory of Pharmaceutical Quality Control of Hebei Province, College of Pharmaceutical Sciences, Institute of Life Science and Green Development, Hebei University, 180 WuSi Road, Lianchi District, Baoding, 071002, China.
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Tong XY, Yang XZ, Gao SQ, Wang XJ, Wen GB, Lin YW. Regulating Effect of Cytochrome b5 Overexpression on Human Breast Cancer Cells. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27144556. [PMID: 35889429 PMCID: PMC9320672 DOI: 10.3390/molecules27144556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Revised: 07/11/2022] [Accepted: 07/15/2022] [Indexed: 12/24/2022]
Abstract
Imbalance in the cellular redox system is thought to be associated with the induction and progression of breast cancers, and heme proteins may regulate the redox balance. Cytochrome b5 (Cyt b5) is a small mitochondrial heme protein. Its function and regulating mechanism in breast cancer remain unknown. In this study, we elucidated the level of endogenous oxidative stress in breast cancer cells, MCF-7 cells (hormone receptor-positive cells) and MDA-MB-231 cells (triple-negative cells), and investigated the difference in Cyt b5 content. Based on the low content of Cyt b5 in MDA-MB-231 cells, the overexpression of Cyt b5 was found to regulate the oxidative stress and apoptosis cascades, including ERK1/2 and Akt signaling pathways. The overexpressed Cyt b5 MDA-MB-231 cells were shown to exhibit decreased oxidative stress, less phosphorylation of ERK1/2 and Akt, and less cleavage of caspases 3 and 9 upon treatment with H2O2, as compared to those of normal MDA-MB-231 cells. Moreover, the overexpressed Cyt b5 most likely functioned by interacting with its protein partner, Cyt c, as suggested by co-immunoprecipitation studies. These results indicated that Cyt b5 has different effects on breast cancer cells of different phenotypes, which provides useful information for understanding the multiple roles of Cyt b5 and provides clues for clinical treatment.
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Affiliation(s)
- Xin-Yi Tong
- School of Chemistry and Chemical Engineering, University of South China, Hengyang 421001, China; (X.-Y.T.); (X.-J.W.)
| | - Xin-Zhi Yang
- Hengyang Medical College, University of South China, Hengyang 421001, China; (X.-Z.Y.); (S.-Q.G.); (G.-B.W.)
| | - Shu-Qin Gao
- Hengyang Medical College, University of South China, Hengyang 421001, China; (X.-Z.Y.); (S.-Q.G.); (G.-B.W.)
- Key Lab of Protein Structure and Function of Universities in Hunan Province, University of South China, Hengyang 421001, China
| | - Xiao-Juan Wang
- School of Chemistry and Chemical Engineering, University of South China, Hengyang 421001, China; (X.-Y.T.); (X.-J.W.)
| | - Ge-Bo Wen
- Hengyang Medical College, University of South China, Hengyang 421001, China; (X.-Z.Y.); (S.-Q.G.); (G.-B.W.)
- Key Lab of Protein Structure and Function of Universities in Hunan Province, University of South China, Hengyang 421001, China
| | - Ying-Wu Lin
- School of Chemistry and Chemical Engineering, University of South China, Hengyang 421001, China; (X.-Y.T.); (X.-J.W.)
- Hengyang Medical College, University of South China, Hengyang 421001, China; (X.-Z.Y.); (S.-Q.G.); (G.-B.W.)
- Key Lab of Protein Structure and Function of Universities in Hunan Province, University of South China, Hengyang 421001, China
- Correspondence: ; Tel.: +86-734-8282375
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Rani L, Ranjan Sahu M, Chandra Mondal A. Age-related Mitochondrial Dysfunction in Parkinson's Disease: New Insights Into the Disease Pathology. Neuroscience 2022; 499:152-169. [PMID: 35839924 DOI: 10.1016/j.neuroscience.2022.07.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 06/13/2022] [Accepted: 07/07/2022] [Indexed: 12/14/2022]
Abstract
Aging is a progressive loss of physiological function that increases risk of disease and death. Among the many factors that contribute to human aging, mitochondrial dysfunction has emerged as one of the most prominent features of the aging process. It has been linked to the development of various age-related pathologies, including Parkinson's disease (PD). Mitochondria has a complex quality control system that ensures mitochondrial integrity and function. Perturbations in these mitochondrial mechanisms have long been linked to various age-related neurological disorders. Even though research has shed light on several aspects of the disease pathology, the underlying mechanism of age-related factors responsible for individuals developing this disease is still unknown. This review article aims to discuss the role of mitochondria in the transition from normal brain aging to pathological brain aging, which leads to the progression of PD. We have discussed the emerging evidence on how age-related disruption of mitochondrial quality control mechanisms contributes to the development of PD-related pathophysiology.
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Affiliation(s)
- Linchi Rani
- Laboratory of Cellular and Molecular Neurobiology, School of Life Sciences, Jawaharlal Nehru University, New Delhi, Delhi, India
| | - Manas Ranjan Sahu
- Laboratory of Cellular and Molecular Neurobiology, School of Life Sciences, Jawaharlal Nehru University, New Delhi, Delhi, India
| | - Amal Chandra Mondal
- Laboratory of Cellular and Molecular Neurobiology, School of Life Sciences, Jawaharlal Nehru University, New Delhi, Delhi, India.
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Gao L, Cao M, Du GH, Qin XM. Huangqin Decoction Exerts Beneficial Effects on Rotenone-Induced Rat Model of Parkinson's Disease by Improving Mitochondrial Dysfunction and Alleviating Metabolic Abnormality of Mitochondria. Front Aging Neurosci 2022; 14:911924. [PMID: 35912075 PMCID: PMC9334858 DOI: 10.3389/fnagi.2022.911924] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Accepted: 06/20/2022] [Indexed: 11/13/2022] Open
Abstract
Parkinson's disease (PD) is a common neurodegenerative disease, and the pathogenesis of PD is closely related to mitochondrial dysfunction. Previous studies have indicated that traditional Chinese medicine composition of Huangqin Decoction (HQD), including Scutellariae Radix, licorice, and Paeoniae Radix Alba, has therapeutic effects on PD, but whether HQD has a therapeutic effect on PD has not been reported. In this study, the protective effects of HQD on rotenone-induced PD rats were evaluated by behavioral assays (open field, rotating rod, suspension, gait, inclined plate, and grid) and immunohistochemistry. The mechanisms of HQD on attenuation of mitochondrial dysfunction were detected by biochemical assays and mitochondrial metabolomics. The results showed that HQD (20 g/kg) can protect rats with PD by improving motor coordination and muscle strength, increasing the number of tyrosine hydroxylase (TH)-positive neurons in rats with PD. Besides, HQD can improve mitochondrial dysfunction by increasing the content of adenosine triphosphate (ATP) and mitochondrial complex I. Mitochondrial metabolomics analysis revealed that the ketone body of acetoacetic acid (AcAc) in the rotenone group was significantly higher than that of the control group. Ketone bodies have been known to be used as an alternative energy source to provide energy to the brain when glucose was deficient. Further studies demonstrated that HQD could increase the expression of glucose transporter GLUT1, the content of tricarboxylic acid cycle rate-limiting enzyme citrate synthase (CS), and the level of hexokinase (HK) in rats with PD but could decrease the content of ketone bodies [AcAc and β-hydroxybutyric acid (β-HB)] and the expression of their transporters (MCT1). Our study revealed that the decrease of glucose metabolism in the rotenone group was parallel to the increase of substitute substrates (ketone bodies) and related transporters, and HQD could improve PD symptoms by activating the aerobic glycolysis pathway.
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Affiliation(s)
- Li Gao
- Modern Research Center for Traditional Chinese Medicine, The Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, China
- Key Laboratory of Effective Substances Research and Utilization in TCM of Shanxi Province, Taiyuan, China
- *Correspondence: Li Gao
| | - Min Cao
- Modern Research Center for Traditional Chinese Medicine, The Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, China
- Key Laboratory of Effective Substances Research and Utilization in TCM of Shanxi Province, Taiyuan, China
| | - Guan-hua Du
- Peking Union Medical College, Institute of Materia Medica, Chinese Academy of Medical Sciences, Beijing, China
| | - Xue-mei Qin
- Modern Research Center for Traditional Chinese Medicine, The Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, China
- Key Laboratory of Effective Substances Research and Utilization in TCM of Shanxi Province, Taiyuan, China
- Xue-mei Qin
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Pharmacological Approaches to Decelerate Aging: A Promising Path. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:4201533. [PMID: 35860429 PMCID: PMC9293537 DOI: 10.1155/2022/4201533] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 05/24/2022] [Accepted: 06/26/2022] [Indexed: 11/17/2022]
Abstract
Biological aging or senescence is a course in which cellular function decreases over a period of time and is a consequence of altered signaling mechanisms that are triggered in stressed cells leading to cell damage. Aging is among the principal risk factors for many chronic illnesses such as cancer, cardiovascular disorders, and neurodegenerative diseases. Taking this into account, targeting fundamental aging mechanisms therapeutically may effectively impact numerous chronic illnesses. Selecting ideal therapeutic options in order to hinder the process of aging and decelerate the progression of age-related diseases is valuable. Along therapeutic options, life style modifications may well render the process of aging. The process of aging is affected by alteration in many cellular and signaling pathways amid which mTOR, SIRT1, and AMPK pathways are the most emphasized. Herein, we have discussed the mechanisms of aging focusing mainly on the mentioned pathways as well as the role of inflammation and autophagy in aging. Moreover, drugs and natural products with antiaging properties are discussed in detail.
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TNFα-Induced Oxidative Stress and Mitochondrial Dysfunction Alter Hypothalamic Neurogenesis and Promote Appetite Versus Satiety Neuropeptide Expression in Mice. Brain Sci 2022; 12:brainsci12070900. [PMID: 35884707 PMCID: PMC9316209 DOI: 10.3390/brainsci12070900] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 07/01/2022] [Accepted: 07/06/2022] [Indexed: 12/04/2022] Open
Abstract
Maternal obesity results in programmed offspring hyperphagia and obesity. The increased offspring food intake is due in part to the preferential differentiation of hypothalamic neuroprogenitor cells (NPCs) to orexigenic (AgRP) vs. anorexigenic (POMC) neurons. The altered neurogenesis may involve hypothalamic bHLH (basic helix–loop–helix) neuroregulatory factors (Hes1, Mash1, and Ngn3). Whilst the underlying mechanism remains unclear, it is known that mitochondrial function is critical for neurogenesis and is impacted by proinflammatory cytokines such as TNFα. Obesity is associated with the activation of inflammation and oxidative stress pathways. In obese pregnancies, increased levels of TNFα are seen in maternal and cord blood, indicating increased fetal exposure. As TNFα influences neurogenesis and mitochondrial function, we tested the effects of TNFα and reactive oxidative species (ROS) hydrogen peroxide (H2O2) on hypothalamic NPC cultures from newborn mice. TNFα treatment impaired NPC mitochondrial function, increased ROS production and NPC proliferation, and decreased the protein expression of proneurogenic Mash1/Ngn3. Consistent with this, AgRP protein expression was increased and POMC was decreased. Notably, treatment with H2O2 produced similar effects as TNFα and also reduced the protein expression of antioxidant SIRT1. The inhibition of STAT3/NFκB prevented the effects of TNFα, suggesting that TNFα mediates its effects on NPCs via mitochondrial-induced oxidative stress that involves both signaling pathways.
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Marx C, Sonnemann J, Maddocks ODK, Marx-Blümel L, Beyer M, Hoelzer D, Thierbach R, Maletzki C, Linnebacher M, Heinzel T, Krämer OH. Global metabolic alterations in colorectal cancer cells during irinotecan-induced DNA replication stress. Cancer Metab 2022; 10:10. [PMID: 35787728 PMCID: PMC9251592 DOI: 10.1186/s40170-022-00286-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 06/09/2022] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Metabolic adaptations can allow cancer cells to survive DNA-damaging chemotherapy. This unmet clinical challenge is a potential vulnerability of cancer. Accordingly, there is an intense search for mechanisms that modulate cell metabolism during anti-tumor therapy. We set out to define how colorectal cancer CRC cells alter their metabolism upon DNA replication stress and whether this provides opportunities to eliminate such cells more efficiently. METHODS We incubated p53-positive and p53-negative permanent CRC cells and short-term cultured primary CRC cells with the topoisomerase-1 inhibitor irinotecan and other drugs that cause DNA replication stress and consequently DNA damage. We analyzed pro-apoptotic mitochondrial membrane depolarization and cell death with flow cytometry. We evaluated cellular metabolism with immunoblotting of electron transport chain (ETC) complex subunits, analysis of mitochondrial mRNA expression by qPCR, MTT assay, measurements of oxygen consumption and reactive oxygen species (ROS), and metabolic flux analysis with the Seahorse platform. Global metabolic alterations were assessed using targeted mass spectrometric analysis of extra- and intracellular metabolites. RESULTS Chemotherapeutics that cause DNA replication stress induce metabolic changes in p53-positive and p53-negative CRC cells. Irinotecan enhances glycolysis, oxygen consumption, mitochondrial ETC activation, and ROS production in CRC cells. This is connected to increased levels of electron transport chain complexes involving mitochondrial translation. Mass spectrometric analysis reveals global metabolic adaptations of CRC cells to irinotecan, including the glycolysis, tricarboxylic acid cycle, and pentose phosphate pathways. P53-proficient CRC cells, however, have a more active metabolism upon DNA replication stress than their p53-deficient counterparts. This metabolic switch is a vulnerability of p53-positive cells to irinotecan-induced apoptosis under glucose-restricted conditions. CONCLUSION Drugs that cause DNA replication stress increase the metabolism of CRC cells. Glucose restriction might improve the effectiveness of classical chemotherapy against p53-positive CRC cells. The topoisomerase-1 inhibitor irinotecan and other chemotherapeutics that cause DNA damage induce metabolic adaptations in colorectal cancer (CRC) cells irrespective of their p53 status. Irinotecan enhances the glycolysis and oxygen consumption in CRC cells to deliver energy and biomolecules necessary for DNA repair and their survival. Compared to p53-deficient cells, p53-proficient CRC cells have a more active metabolism and use their intracellular metabolites more extensively. This metabolic switch creates a vulnerability to chemotherapy under glucose-restricted conditions for p53-positive cells.
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Affiliation(s)
- Christian Marx
- Department of Toxicology, University Medical Center, Johannes Gutenberg University Mainz, Building 905, Mainz, Germany.
- Department of Biochemistry, Center for Molecular Biomedicine (CMB), Institute for Biochemistry and Biophysics, Friedrich Schiller University of Jena, Jena, Germany.
- Leibniz Institute on Aging - Fritz Lipmann Institute (FLI), Jena, Germany.
- Current Address: Center for Pandemic Vaccines and Therapeutics (ZEPAI), Paul Ehrlich Institute, Langen, Germany.
| | - Jürgen Sonnemann
- Department of Paediatric Haematology and Oncology, Jena University Hospital, Children's Clinic, Jena, Germany
- Research Center Lobeda, Jena University Hospital, Jena, Germany
| | - Oliver D K Maddocks
- Wolfson Wohl Cancer Research Centre, Institute of Cancer Sciences, University of Glasgow, Glasgow, UK
| | - Lisa Marx-Blümel
- Department of Paediatric Haematology and Oncology, Jena University Hospital, Children's Clinic, Jena, Germany
- Research Center Lobeda, Jena University Hospital, Jena, Germany
| | - Mandy Beyer
- Department of Toxicology, University Medical Center, Johannes Gutenberg University Mainz, Building 905, Mainz, Germany
| | - Doerte Hoelzer
- Department of Human Nutrition, Institute of Nutrition, Friedrich Schiller University of Jena, Jena, Germany
- Current address: Biopharmaceutical New Technologies (BioNTech) Corporation, Mainz, Germany
| | - René Thierbach
- Department of Human Nutrition, Institute of Nutrition, Friedrich Schiller University of Jena, Jena, Germany
| | - Claudia Maletzki
- Molecular Oncology and Immunotherapy, Thoracic, Vascular and Transplantation Surgery, Clinic of General, University of Rostock, VisceralRostock, Germany
- Current address: Department of Medicine, Clinic III - Hematology, Oncology, Palliative Medicine, Rostock University Medical Center, Rostock, Germany
| | - Michael Linnebacher
- Molecular Oncology and Immunotherapy, Thoracic, Vascular and Transplantation Surgery, Clinic of General, University of Rostock, VisceralRostock, Germany
| | - Thorsten Heinzel
- Department of Biochemistry, Center for Molecular Biomedicine (CMB), Institute for Biochemistry and Biophysics, Friedrich Schiller University of Jena, Jena, Germany
| | - Oliver H Krämer
- Department of Toxicology, University Medical Center, Johannes Gutenberg University Mainz, Building 905, Mainz, Germany.
- Department of Biochemistry, Center for Molecular Biomedicine (CMB), Institute for Biochemistry and Biophysics, Friedrich Schiller University of Jena, Jena, Germany.
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Liang H, Zhang F, Wang W, Zhao W, Zhou J, Feng Y, Wu J, Li M, Bai X, Zeng Z, Niu J, Miao Y. Heat Shock Transcription Factor 2 Promotes Mitophagy of Intestinal Epithelial Cells Through PARL/PINK1/Parkin Pathway in Ulcerative Colitis. Front Pharmacol 2022; 13:893426. [PMID: 35860016 PMCID: PMC9289131 DOI: 10.3389/fphar.2022.893426] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 06/16/2022] [Indexed: 12/12/2022] Open
Abstract
The overactivation of NLRP3 inflammasome in intestinal epithelial cells (IECs) is among the important reasons for severe inflammation in ulcerative colitis (UC). We found that heat shock transcription factor 2 (HSF2), which is highly expressed in UC, could inhibit the activation of NLRP3 inflammasome and reduce IL-1β in IECs, but the mechanisms were still not clear. It has been reported that HSP72 regulated by HSF2 can enhance the mitophagy mediated by Parkin. The number of damaged mitochondria and the mitochondrial derived ROS (mtROS) can be reduced by mitophagy, which means the activity of NLRP3 inflammasome is inhibited. Therefore, we speculate that HSF2 might regulate the activation of NLRP3 inflammasome of IECs in UC through the mitophagy mediated by Parkin. This study proves that the number of damaged mitochondria in IECs, the level of mitophagy, and the level of ROS in intestinal mucosa are positively correlated with the severity of UC. In mice and cells, mitophagy was promoted by HSF2 through the PARL/PINK1/Parkin pathway. This study reveals the potential mechanisms of HSF2 decreasing mtROS of IECs in UC.
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Affiliation(s)
- Hao Liang
- Kunming Medical University, Kunming, China
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Kunming, China
- Yunnan Province Clinical Research Center for Digestive Diseases, Kunming, China
| | - Fengrui Zhang
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Kunming, China
- Yunnan Province Clinical Research Center for Digestive Diseases, Kunming, China
| | - Wen Wang
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Kunming, China
- Yunnan Province Clinical Research Center for Digestive Diseases, Kunming, China
| | - Wei Zhao
- Kunming Medical University, Kunming, China
| | - Jiao Zhou
- Kunming Medical University, Kunming, China
| | - Yuran Feng
- Department of Ultrasound, First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Jing Wu
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Kunming, China
- Yunnan Province Clinical Research Center for Digestive Diseases, Kunming, China
| | - Maojuan Li
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Kunming, China
- Yunnan Province Clinical Research Center for Digestive Diseases, Kunming, China
| | - Xinyu Bai
- Kunming Medical University, Kunming, China
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Kunming, China
- Yunnan Province Clinical Research Center for Digestive Diseases, Kunming, China
| | - Zhong Zeng
- Yunnan Province Clinical Research Center for Digestive Diseases, Kunming, China
- Organ Transplantation Center, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Junkun Niu
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Kunming, China
- Yunnan Province Clinical Research Center for Digestive Diseases, Kunming, China
- *Correspondence: Junkun Niu, ; Yinglei Miao,
| | - Yinglei Miao
- Department of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Kunming, China
- Yunnan Province Clinical Research Center for Digestive Diseases, Kunming, China
- *Correspondence: Junkun Niu, ; Yinglei Miao,
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Zhang L, Chen X, Cai P, Sun H, Shen S, Guo B, Jiang Q. Reprogramming Mitochondrial Metabolism in Synovial Macrophages of Early Osteoarthritis by a Camouflaged Meta-Defensome. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2202715. [PMID: 35671349 DOI: 10.1002/adma.202202715] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 05/30/2022] [Indexed: 06/15/2023]
Abstract
Osteoarthritis (OA) is a low-grade inflammatory and progressive joint disease, and its progression is closely associated with an imbalance in M1/M2 synovial macrophages. Repolarizing pro-inflammatory M1 macrophages into the anti-inflammatory M2 phenotype is emerging as a strategy to alleviate OA progression but is compromised by unsatisfactory efficiency. In this study, the reprogramming of mitochondrial dysfunction is pioneered with a camouflaged meta-Defensome, which can transform M1 synovial macrophages into the M2 phenotype with a high efficiency of 82.3%. The meta-Defensome recognizes activated macrophages via receptor-ligand interactions and accumulates in the mitochondria through electrostatic attractions. These meta-Defensomes are macrophage-membrane-coated polymeric nanoparticles decorated with dual ligands and co-loaded with S-methylisothiourea and MnO2 . Meta-Defensomes are demonstrated to successfully reprogram the mitochondrial metabolism of M1 macrophages by scavenging mitochondrial reactive oxygen species and inhibiting mitochondrial NO synthase, thereby increasing mitochondrial transcription factor A expression and restoring aerobic respiration. Furthermore, meta-Defensomes are intravenously injected into collagenase-induced osteoarthritis mice and effectively suppress synovial inflammation and progression of early OA, as evident from the Osteoarthritis Research Society International score. Therefore, reprogramming the mitochondrial metabolism can serve as a novel and practical approach to repolarize M1 synovial macrophages. The camouflaged meta-Defensomes are a promising therapeutic agent for impeding OA progression in tclinic.
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Affiliation(s)
- Lei Zhang
- State Key Laboratory of Pharmaceutical Biotechnology, Division of Sports Medicine and Adult Reconstructive Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Branch of National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, 321 Zhongshan Road, Nanjing, Jiangsu, 210008, P. R. China
| | - Xiang Chen
- State Key Laboratory of Pharmaceutical Biotechnology, Division of Sports Medicine and Adult Reconstructive Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Branch of National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, 321 Zhongshan Road, Nanjing, Jiangsu, 210008, P. R. China
| | - Pingqiang Cai
- State Key Laboratory of Pharmaceutical Biotechnology, Division of Sports Medicine and Adult Reconstructive Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Branch of National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, 321 Zhongshan Road, Nanjing, Jiangsu, 210008, P. R. China
- Chemistry and Biomedicine Innovation Center, Nanjing University, Nanjing, 210093, P. R. China
| | - Han Sun
- State Key Laboratory of Pharmaceutical Biotechnology, Division of Sports Medicine and Adult Reconstructive Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Branch of National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, 321 Zhongshan Road, Nanjing, Jiangsu, 210008, P. R. China
| | - Siyu Shen
- State Key Laboratory of Pharmaceutical Biotechnology, Division of Sports Medicine and Adult Reconstructive Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Branch of National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, 321 Zhongshan Road, Nanjing, Jiangsu, 210008, P. R. China
| | - Baosheng Guo
- State Key Laboratory of Pharmaceutical Biotechnology, Division of Sports Medicine and Adult Reconstructive Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Branch of National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, 321 Zhongshan Road, Nanjing, Jiangsu, 210008, P. R. China
| | - Qing Jiang
- State Key Laboratory of Pharmaceutical Biotechnology, Division of Sports Medicine and Adult Reconstructive Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Branch of National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, 321 Zhongshan Road, Nanjing, Jiangsu, 210008, P. R. China
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Polysialylated nanoinducer for precisely enhancing apoptosis and anti-tumor immune response in B-cell lymphoma. Acta Biomater 2022; 149:321-333. [PMID: 35779772 DOI: 10.1016/j.actbio.2022.06.033] [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: 11/24/2021] [Revised: 06/12/2022] [Accepted: 06/19/2022] [Indexed: 11/24/2022]
Abstract
B-cell lymphoma is one of the most common types of lymphoma, and chemotherapy is still the current first-line treatment. However, due to the systemic side effects caused by chemotherapy drugs, traditional regimens have limitations and are difficult to achieve ideal efficacy. Recent studies have found that CD22 (also known as Siglec-2), as a specific marker of B-cells, is significantly up-regulated on B-cell lymphomas. Inspired by the specific recognition and binding of sialic acid residues by CD22, a polysialic acid (PSA)-modified PLGA nanocarrier (SAPC NP) designed to target B-cell lymphoma was fabricated. Mitoxantrone (MTO) was further loaded into SAPC NP through hydrophobic interactions to obtain polysialylated immunogenic cell death (ICD) nanoinducer (MTO@SAPC NP). Cellular experiments confirmed that MTO@SAPC NP could be specifically taken up by two types of CD22+ B lymphoma cells including Raji and Ramos cells, unlike the poor endocytic performance in other lymphocytes or macrophages. MTO@SAPC NP was determined to enhance the ICD and show better apoptotic effect on CD22+ cells. In the mouse model of B-cell lymphoma, MTO@SAPC NP significantly reduced the systemic side effects of MTO through lymphoma targeting, then achieved enhanced anti-tumor immune response, better tumor suppressive effect, and improved survival rate. Therefore, the polysialylated ICD nanoinducer provides a new strategy for precise therapy of B-cell lymphoma. STATEMENT OF SIGNIFICANCE: • Polysialic acid functionalized nanocarrier (SAPC NP) was designed and prepared. • SAPC NP is specifically endocytosed by two CD22+ B lymphoma cells. • Mitoxantrone-loaded nanoinducer (MTO@SAPC NP) promote immunogenic cell death and anti-tumor immune response. • "Polysialylation" is a potential new approach for precision treatment of B-cell lymphoma.
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Liu Y, Pan X, Bao Y, Wei L, Gao Y. Many kinds of oxidized proteins are present more in the urine of the elderly. Clin Proteomics 2022; 19:22. [PMID: 35733114 PMCID: PMC9214981 DOI: 10.1186/s12014-022-09360-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Accepted: 06/08/2022] [Indexed: 11/22/2022] Open
Abstract
Background Many studies have shown an association between aging and oxidation. To our knowledge, there have been no studies exploring aging-related urine proteome modifications. The purpose of this study was to explore differences in global chemical modifications of urinary protein at different ages. Methods Discovery (n=38) cohort MS data including children, young and old groups were downloaded from three published studies, and this data was analyzed using open-pFind for identifying modifications. Verification cohort human samples (n=28) including young, middle-aged, and old groups, rat samples (n=7) at three-time points after birth, adulthood, and old age were collected and processed in the laboratory simultaneously based on label-free quantification combined with pFind. Results Discovery cohort: there were 28 kinds of differential oxidations in the old group that were higher than those in the young or children group in. Verification cohort: there were 17 kinds of differential oxidations of 49 oxidized proteins in the middle and old groups, which were significantly higher than those in the young group. Both oxidations and oxidized proteins distinguished different age groups well. There were also 15 kinds of differential oxidations in old age higher than others in the rat cohort. The results showed that the validation experiment was basically consistent with the results of the discovery experiment, showing that the level of oxidized proteins in urine increased significantly with age. Conclusions Our study is the first to show that oxidative proteins occur in urine and that oxidations are higher in older than younger ages. Perhaps improving the degree of excretion of oxidative protein in vivo through the kidney is helpful for maintaining the homeostasis of the body’s internal environment, delaying aging and the occurrence of senile diseases. Supplementary Information The online version contains supplementary material available at 10.1186/s12014-022-09360-2.
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Affiliation(s)
- Yongtao Liu
- Department of Biochemistry and Molecular Biology, Beijing Key Laboratory of Gene Engineering Drug and Biotechnology, Beijing Normal University, Beijing, 100875, China
| | - Xuanzhen Pan
- Department of Biochemistry and Molecular Biology, Beijing Key Laboratory of Gene Engineering Drug and Biotechnology, Beijing Normal University, Beijing, 100875, China
| | - Yijin Bao
- Department of Biochemistry and Molecular Biology, Beijing Key Laboratory of Gene Engineering Drug and Biotechnology, Beijing Normal University, Beijing, 100875, China
| | - Lilong Wei
- Clinical Laboratory, China-Japan Friendship Hospital, Beijing, 100029, China
| | - Youhe Gao
- Department of Biochemistry and Molecular Biology, Beijing Key Laboratory of Gene Engineering Drug and Biotechnology, Beijing Normal University, Beijing, 100875, China.
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Wang S, Wei W, Ma N, Qu Y, Liu Q. Molecular mechanisms of ferroptosis and its role in prostate cancer therapy. Crit Rev Oncol Hematol 2022; 176:103732. [PMID: 35697233 DOI: 10.1016/j.critrevonc.2022.103732] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 05/22/2022] [Accepted: 06/07/2022] [Indexed: 12/18/2022] Open
Abstract
Prostate cancer (PCa) is a highly prevalent disease that affects men's health worldwide and is the second most common malignancy in males. Ferroptosis is a novel form of programmed cell death characterized by iron overload and the accumulation of lipid peroxidation, which differs from the regulated cell death modes of necrosis, apoptosis, and autophagy. Substantial progress has been achieved in researching the occurrence and regulatory mechanisms of ferroptosis, which is closely associated with cancer initiation, progression, and suppression and is expected to become a new breakthrough point in the PCa treatment. This review will summarize the mechanisms involved in PCa, and we detail the molecular mechanisms of ferroptosis and its role in PCa treatment.
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Affiliation(s)
- Shaokun Wang
- Department of Urology, The First Hospital of Jilin University, Changchun 130001, China
| | - Wei Wei
- Department of Urology, The First Hospital of Jilin University, Changchun 130001, China
| | - Ning Ma
- Department of Urology, The First Hospital of Jilin University, Changchun 130001, China
| | - Yongliang Qu
- Department of Urology, The First Hospital of Jilin University, Changchun 130001, China
| | - Qiuju Liu
- Cancer Center, Department of Hematology, The First Hospital of Jilin University, Changchun 130001, China.
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134
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Drapela S, Ilter D, Gomes AP. Metabolic reprogramming: a bridge between aging and tumorigenesis. Mol Oncol 2022; 16:3295-3318. [PMID: 35666002 PMCID: PMC9490145 DOI: 10.1002/1878-0261.13261] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 05/07/2022] [Accepted: 05/23/2022] [Indexed: 12/01/2022] Open
Abstract
Aging is the most robust risk factor for cancer development, with more than 60% of cancers occurring in those aged 60 and above. However, how aging and tumorigenesis are intertwined is poorly understood and a matter of significant debate. Metabolic changes are hallmarks of both aging and tumorigenesis. The deleterious consequences of aging include dysfunctional cellular processes, the build‐up of metabolic byproducts and waste molecules in circulation and within tissues, and stiffer connective tissues that impede blood flow and oxygenation. Collectively, these age‐driven changes lead to metabolic reprogramming in different cell types of a given tissue that significantly affects their cellular functions. Here, we put forward the idea that metabolic changes that happen during aging help create a favorable environment for tumorigenesis. We review parallels in metabolic changes that happen during aging and how these changes function both as adaptive mechanisms that enable the development of malignant phenotypes in a cell‐autonomous manner and as mechanisms that suppress immune surveillance, collectively creating the perfect environment for cancers to thrive. Hence, antiaging therapeutic strategies that target the metabolic reprogramming that occurs as we age might provide new opportunities to prevent cancer initiation and/or improve responses to standard‐of‐care anticancer therapies.
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Affiliation(s)
- Stanislav Drapela
- Department of Molecular Oncology, H. Lee Moffit Cancer Center & Research Institute, Tampa, FL, USA
| | - Didem Ilter
- Department of Molecular Oncology, H. Lee Moffit Cancer Center & Research Institute, Tampa, FL, USA
| | - Ana P Gomes
- Department of Molecular Oncology, H. Lee Moffit Cancer Center & Research Institute, Tampa, FL, USA
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Taurone S, Ralli M, Artico M, Madia VN, Scarpa S, Nottola SA, Maconi A, Betti M, Familiari P, Nebbioso M, Costi R, Micera A. Oxidative stress and visual system: a review. EXCLI JOURNAL 2022; 21:544-553. [PMID: 35651654 PMCID: PMC9150018 DOI: 10.17179/excli2022-4663] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 02/10/2022] [Indexed: 12/19/2022]
Abstract
Different types of tissues respond differently to the action of oxidative stress. The visual system is very sensitive to oxidative action due to continuous exposure to light. In consideration of the growing interest of scientific studies towards various compounds endowed with antioxidant and anti-inflammatory properties, we performed a review of the literature focusing on the use of some antioxidant molecules for the treatment of conditions affecting the visual system. In this study, we focused on the ability of two antioxidant agents, the small molecule α-lipoic acid (ALA) and the enzyme superoxide dismutase (SOD), to influence the neurodegenerative physiological processes related to aging and oxidative stress affecting the ocular segment. The literature data report that ALA and SOD can protect against neurodegenerative effects both the optic nerve and retina and, if administered together, they are able to lower the levels of oxidative stress, thus preventing neurodegeneration and reducing the apoptotic process.
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Affiliation(s)
| | - Massimo Ralli
- Department of Sensory Organs, "Sapienza" University of Rome, Rome, Italy
| | - Marco Artico
- Department of Sensory Organs, "Sapienza" University of Rome, Rome, Italy
| | - Valentina Noemi Madia
- Department of Drug Chemistry and Technology, "Sapienza" University of Rome, Rome, Italy
| | - Susanna Scarpa
- Department of Experimental Medicine, "Sapienza" University of Rome, Italy
| | - Stefania Annarita Nottola
- Department of Anatomy, Histology, Forensic Medicine and Orthopaedics, "Sapienza" University of Rome, Rome, Italy
| | - Antonio Maconi
- Research Training Innovation Infrastructure, Research and Innovation Department, Azienda Ospedaliera SS. Antonio e Biagio e Cesare Arrigo, Alessandria, Italy
| | - Marta Betti
- Research Training Innovation Infrastructure, Research and Innovation Department, Azienda Ospedaliera SS. Antonio e Biagio e Cesare Arrigo, Alessandria, Italy
| | - Pietro Familiari
- Department of Human Neurosciences, "Sapienza" University of Rome, Rome, Italy
| | - Marcella Nebbioso
- Department of Sensory Organs, "Sapienza" University of Rome, Rome, Italy
| | - Roberta Costi
- Department of Drug Chemistry and Technology, "Sapienza" University of Rome, Rome, Italy
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Yang M, Xi N, Gao M, Yu Y. Sitagliptin mitigates hypoxia/reoxygenation (H/R)-induced injury in cardiomyocytes by mediating sirtuin 3 (SIRT3) and autophagy. Bioengineered 2022; 13:13162-13173. [PMID: 35635037 PMCID: PMC9276022 DOI: 10.1080/21655979.2022.2074109] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Potential ischemia/reperfusion (I/R) injuries are commonly induced during treatment of cardiovascular diseases, such as acute myocardial infarction (AMI). It is reported that oxidative stress and over-autophagy in cardiomyocytes are involved in the pathogenesis of I/R injury. Sitagliptin is an effective inhibitor of dipeptidyl peptidase 4 (DPP-4) for the treatment of diabetes, which is recently reported to regulate oxidative stress and autophagy. The present study is designed to explore the function of Sitagliptin on I/R injury. Hypoxia/reoxygenation (H/R) condition was used to simulate the I/R injury on cardiomyocytes. We found that the declined cell viability and elevated expression level of creatine kinase myocardial band (CK-MB) were observed in the H/R group, accompanied by the increased mitochondrial reactive oxygen species (ROS), elevated cellular malondialdehyde (MDA) level, and mitochondrial dysfunction. After Sitagliptin treatment, the damages in H9c2 cardiomyocytes, oxidative stress, and mitochondrial dysfunction were significantly alleviated. In addition, the overactivated autophagy and mitophagy in H/R-challenged cardiomyocytes were dramatically mitigated by Sitagliptin, accompanied by the upregulation of SIRT3. Lastly, the protective effect of Sitagliptin on H/R-induced mitophagy, autophagy, and damages in cardiomyocytes was dramatically abolished by the knockdown of SIRT3. Taken together, our data reveal that Sitagliptin ameliorated the H/R-induced injury in cardiomyocytes by mediating sirtuin 3 (SIRT3) and autophagy.
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Affiliation(s)
- Mao Yang
- Department of Cardiology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Ningning Xi
- Department of Neurological Rehabilitation, The FourthAffiliated Hospital of Heilongjiang University of Traditional Chinese Medicine, Harbin, China
| | - Meng Gao
- Department of Cardiology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yanwei Yu
- Department of Cardiology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
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Mitochondrial ROS, ER Stress, and Nrf2 Crosstalk in the Regulation of Mitochondrial Apoptosis Induced by Arsenite. Antioxidants (Basel) 2022; 11:antiox11051034. [PMID: 35624898 PMCID: PMC9137803 DOI: 10.3390/antiox11051034] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 05/17/2022] [Accepted: 05/20/2022] [Indexed: 02/07/2023] Open
Abstract
Long-term ingestion of arsenicals, a heterogeneous group of toxic compounds, has been associated with a wide spectrum of human pathologies, which include various malignancies. Although their mechanism of toxicity remains largely unknown, it is generally believed that arsenicals mainly produce their effects via direct binding to protein thiols and ROS formation in different subcellular compartments. The generality of these mechanisms most probably accounts for the different effects mediated by different forms of the metalloid in a variety of cells and tissues. In order to learn more about the molecular mechanisms of cyto- and genotoxicity, there is a need to focus on specific arsenic compounds under tightly controlled conditions. This review focuses on the mechanisms regulating the mitochondrial formation of ROS after exposure to low concentrations of a specific arsenic compound, NaAsO2, and their crosstalk with the nuclear factor (erythroid-2 related) factor 2 antioxidant signaling and the endoplasmic reticulum stress response.
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138
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Braun JL, Messner HN, Cleverdon REG, Baranowski RW, Hamstra SI, Geromella MS, Stuart JA, Fajardo VA. Heterozygous SOD2 deletion selectively impairs SERCA function in the soleus of female mice. Physiol Rep 2022; 10:e15285. [PMID: 35581738 PMCID: PMC9114654 DOI: 10.14814/phy2.15285] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 04/05/2022] [Accepted: 04/08/2022] [Indexed: 06/15/2023] Open
Abstract
The sarco(endo)plasmic reticulum Ca2+ ATPase (SERCA) restores intracellular Ca2+ ([Ca2+ ]i ) to resting levels after muscle contraction, ultimately eliciting relaxation. SERCA pumps are highly susceptible to tyrosine (T)-nitration, impairing their ability to take up Ca2+ resulting in reduced muscle function and increased [Ca2+ ]i and cellular damage. The mitochondrial antioxidant enzyme, superoxide dismutase 2 (SOD2), converts superoxide radicals into less reactive H2 O2 . Heterozygous deletion of SOD2 (Sod2+/- ) in mice increases mitochondrial oxidative stress; however, the consequences of reduced SOD2 expression in skeletal and cardiac muscle, specifically the effect on SERCA pumps, has yet to be investigated. We obtained soleus, extensor digitorum longus (EDL), and left ventricle (LV) muscles from 6 to 7 month-old wild-type (WT) and Sod2+/- female C57BL/6J mice. Ca2+ -dependent SERCA activity assays were performed to assess SERCA function. Western blotting was conducted to examine the protein content of SERCA, phospholamban, and sarcolipin; and immunoprecipitation experiments were done to assess SERCA2a- and SERCA1a-specific T-nitration. Heterozygous SOD2 deletion did not alter SERCA1a or SERCA2a expression in the soleus or LV but reduced SERCA2a in the EDL compared with WT, though this was not statistically significant. Soleus muscles from Sod2+/- mice showed a significant reduction in SERCA's apparent affinity for Ca2+ when compared to WT, corresponding with significantly elevated SERCA2a T-nitration in the soleus. No effect was seen in the EDL or the LV. This is the first study to investigate the effects of SOD2 deficiency on muscle SERCA function and shows that it selectively impairs SERCA function in the soleus.
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Affiliation(s)
- Jessica L. Braun
- Department of KinesiologyBrock UniversitySt. CatharinesOntarioCanada
- Centre for Bone and Muscle HealthBrock UniversitySt. CatharinesOntarioCanada
- Centre for NeuroscienceBrock UniversitySt. CatharinesOntarioCanada
| | - Holt N. Messner
- Department of KinesiologyBrock UniversitySt. CatharinesOntarioCanada
- Centre for Bone and Muscle HealthBrock UniversitySt. CatharinesOntarioCanada
- Department of Biological SciencesBrock UniversitySt. CatharinesOntarioCanada
| | - Riley E. G. Cleverdon
- Department of KinesiologyBrock UniversitySt. CatharinesOntarioCanada
- Centre for Bone and Muscle HealthBrock UniversitySt. CatharinesOntarioCanada
| | - Ryan W. Baranowski
- Department of KinesiologyBrock UniversitySt. CatharinesOntarioCanada
- Centre for Bone and Muscle HealthBrock UniversitySt. CatharinesOntarioCanada
| | - Sophie I. Hamstra
- Department of KinesiologyBrock UniversitySt. CatharinesOntarioCanada
- Centre for Bone and Muscle HealthBrock UniversitySt. CatharinesOntarioCanada
| | - Mia S. Geromella
- Department of KinesiologyBrock UniversitySt. CatharinesOntarioCanada
- Centre for Bone and Muscle HealthBrock UniversitySt. CatharinesOntarioCanada
| | - Jeffrey A. Stuart
- Department of Biological SciencesBrock UniversitySt. CatharinesOntarioCanada
| | - Val A. Fajardo
- Department of KinesiologyBrock UniversitySt. CatharinesOntarioCanada
- Centre for Bone and Muscle HealthBrock UniversitySt. CatharinesOntarioCanada
- Centre for NeuroscienceBrock UniversitySt. CatharinesOntarioCanada
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139
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Heineman BD, Liu X, Wu GY. Targeted Mitochondrial Delivery to Hepatocytes: A Review. J Clin Transl Hepatol 2022; 10:321-328. [PMID: 35528979 PMCID: PMC9039707 DOI: 10.14218/jcth.2021.00093] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 07/22/2021] [Accepted: 09/15/2021] [Indexed: 12/04/2022] Open
Abstract
Defects in mitochondria are responsible for various genetic and acquired diseases. Mitochondrial transplantation, a method that involves introduction of healthy donor mitochondria into cells with dysfunctional mitochondria, could offer a novel approach to treat such diseases. Some studies have demonstrated the therapeutic benefit of mitochondrial transplantation and targeted delivery in vivo and in vitro within hepatocytes and the liver. This review discusses the issues regarding isolation and delivery of mitochondria to hepatocytes and the liver, and examines the existing literature in order to elucidate the utility and practicality of mitochondrial transplantation in the treatment of liver disease. Studies reviewed demonstrate that mitochondrial uptake could specifically target hepatocytes, address the challenge of non-specific localization of donor mitochondria, and provide evidence of changes in liver function following injection of mitochondria into mouse and rat disease models. While potential benefits and advantages of mitochondrial transplantation are evident, more research is needed to determine the practicality of mitochondrial transplantation for the treatment of genetic and acquired liver diseases.
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Affiliation(s)
- Brent D. Heineman
- Correspondence to: Brent D. Heineman, 8 Talcott Forest Rd, Farmington Apt. M, Farmington, CT 06032, USA. ORCID: https://orcid.org/0000-0003-3867-1216. Tel: +1-860-986-2943, Fax: +1-860-679-6582, E-mail:
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Mitochondrial Dysfunction Pathway Alterations Offer Potential Biomarkers and Therapeutic Targets for Ovarian Cancer. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:5634724. [PMID: 35498135 PMCID: PMC9045977 DOI: 10.1155/2022/5634724] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 08/24/2021] [Accepted: 04/02/2022] [Indexed: 11/29/2022]
Abstract
The mitochondrion is a very versatile organelle that participates in some important cancer-associated biological processes, including energy metabolism, oxidative stress, mitochondrial DNA (mtDNA) mutation, cell apoptosis, mitochondria-nuclear communication, dynamics, autophagy, calcium overload, immunity, and drug resistance in ovarian cancer. Multiomics studies have found that mitochondrial dysfunction, oxidative stress, and apoptosis signaling pathways act in human ovarian cancer, which demonstrates that mitochondria play critical roles in ovarian cancer. Many molecular targeted drugs have been developed against mitochondrial dysfunction pathways in ovarian cancer, including olive leaf extract, nilotinib, salinomycin, Sambucus nigra agglutinin, tigecycline, and eupatilin. This review article focuses on the underlying biological roles of mitochondrial dysfunction in ovarian cancer progression based on omics data, potential molecular relationship between mitochondrial dysfunction and oxidative stress, and future perspectives of promising biomarkers and therapeutic targets based on the mitochondrial dysfunction pathway for ovarian cancer.
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141
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Aberrant Expression of Mitochondrial SAM Transporter SLC25A26 Impairs Oocyte Maturation and Early Development in Mice. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:1681623. [PMID: 35464759 PMCID: PMC9020962 DOI: 10.1155/2022/1681623] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 02/27/2022] [Accepted: 03/09/2022] [Indexed: 12/06/2022]
Abstract
The immature germinal vesicle (GV) oocytes proceed through metaphase I (MI) division, extrude the first polar body, and become mature metaphase II (MII) oocytes for fertilization which is followed by preimplantation and postimplantation development until birth. Slc25a26 is the gene encoding S-adenosylmethionine carrier (SAMC), a member of the mitochondrial carrier family. Its major function is to catalyze the uptake of S-adenosylmethionine (SAM) from cytosol into mitochondria, which is the only known mitochondrial SAM transporter. In the present study, we demonstrated that excessive SLC25A26 accumulation in mouse oocytes mimicked naturally aged oocytes and resulted in lower oocyte quality with decreased maturation rate and increased reactive oxygen species (ROS) by impairing mitochondrial function. Increased level of Slc25a26 gene impacted gene expression in mouse oocytes such as mt-Cytb which regulates mitochondrial respiratory chain. Furthermore, increased level of Slc25a26 gene in fertilized oocytes slightly compromised blastocyst formation, and Slc25a26 knockout mice displayed embryonic lethality around 10.5 dpc. Taken together, our results showed that Slc25a26 gene plays a critical role in oocyte maturation and early mouse development.
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142
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Han X, Xia X, Zhuo Y, Hua L, Yu G, Bu G, Cao X, Du X, Liang Q, Zeng X, Meng F. RNA-seq coupling two different methods of castration reveals new insights into androgen deficiency-caused degeneration of submaxillary gland in male Sprague Dawley rats. BMC Genomics 2022; 23:279. [PMID: 35392803 PMCID: PMC8991617 DOI: 10.1186/s12864-022-08521-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Accepted: 03/30/2022] [Indexed: 11/29/2022] Open
Abstract
Background Salivary gland (SMG) degeneration and dysfunction are common symptoms that occur after sex hormone deprivation, but the underlying mechanisms remain largely unknown. Additionally, immunocastration, which causes drop of sex hormones, has been developed as an alternative to surgical castration, however whether it exerts similar effects as surgical castration on the salivary glands is unknown. Through histological and RNA-seq analysis, we assessed changes in morphology and transcriptome of SMG in response to immunocastration (IM) versus surgical castration (bilateral orchiectomy, ORC). Results Compared to entire males (EM), ORC caused severe degeneration of SMG in rats, as evidenced by both decreased (P < 0.01) SMG weight and organ index, and by decreased (P < 0.01) quantity of SMG acini and ducts. IM had minimal effects (P > 0.05) on SMG weight and organ index, but it still caused degeneration (P < 0.05) of the acini and ducts. Even though, the quantity of both SMG acini and ducts was much higher (P < 0.001) in IM than in ORC. Functional enrichment analysis of the common regulated genes by ORC/IM revealed disrupted epithelial cell development, angiogenesis, anatomical structure morphogenesis and enhanced cell death are associated with SMG degeneration in deprivation of androgens. Integrated data analysis shown that there existed a selective hyperfunction of SMG ribosome and mitochondrion in ORC but not in IM, which might be associated with more severe degeneration of SMG in ORC than in IM. Conclusions Our findings suggested that both surgical castration and immunocastration caused SMG degeneration by disrupting epithelial cell development, angiogenesis, anatomical structure morphogenesis and enhancing cell death. But, surgical castration selectively induced hyperfunction of SMG ribosome and mitochondrion, thus causing more severe degeneration of SMG than immunocastration. Supplementary Information The online version contains supplementary material available at 10.1186/s12864-022-08521-9.
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Affiliation(s)
- Xingfa Han
- Isotope Research Lab, Biological Engineering and Application Biology Department, Sichuan Agricultural University, Ya'an 625014, China.
| | - Xue Xia
- Isotope Research Lab, Biological Engineering and Application Biology Department, Sichuan Agricultural University, Ya'an 625014, China
| | - Yong Zhuo
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China
| | - Lun Hua
- Key Laboratory for Animal Disease-Resistant Nutrition of the Ministry of Education of China, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, China
| | - Guozhi Yu
- Isotope Research Lab, Biological Engineering and Application Biology Department, Sichuan Agricultural University, Ya'an 625014, China
| | - Guixian Bu
- Isotope Research Lab, Biological Engineering and Application Biology Department, Sichuan Agricultural University, Ya'an 625014, China
| | - Xiaohan Cao
- Isotope Research Lab, Biological Engineering and Application Biology Department, Sichuan Agricultural University, Ya'an 625014, China
| | - XiaoGang Du
- Isotope Research Lab, Biological Engineering and Application Biology Department, Sichuan Agricultural University, Ya'an 625014, China
| | - Qiuxia Liang
- Isotope Research Lab, Biological Engineering and Application Biology Department, Sichuan Agricultural University, Ya'an 625014, China
| | - Xianyin Zeng
- Isotope Research Lab, Biological Engineering and Application Biology Department, Sichuan Agricultural University, Ya'an 625014, China
| | - Fengyan Meng
- Isotope Research Lab, Biological Engineering and Application Biology Department, Sichuan Agricultural University, Ya'an 625014, China.
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Role of Molecular Hydrogen in Ageing and Ageing-Related Diseases. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:2249749. [PMID: 35340218 PMCID: PMC8956398 DOI: 10.1155/2022/2249749] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 02/10/2022] [Accepted: 03/03/2022] [Indexed: 12/17/2022]
Abstract
Ageing is a physiological process of progressive decline in the organism function over time. It affects every organ in the body and is a significant risk for chronic diseases. Molecular hydrogen has therapeutic and preventive effects on various organs. It has antioxidative properties as it directly neutralizes hydroxyl radicals and reduces peroxynitrite level. It also activates Nrf2 and HO-1, which regulate many antioxidant enzymes and proteasomes. Through its antioxidative effect, hydrogen maintains genomic stability, mitigates cellular senescence, and takes part in histone modification, telomere maintenance, and proteostasis. In addition, hydrogen may prevent inflammation and regulate the nutrient-sensing mTOR system, autophagy, apoptosis, and mitochondria, which are all factors related to ageing. Hydrogen can also be used for prevention and treatment of various ageing-related diseases, such as neurodegenerative disorders, cardiovascular disease, pulmonary disease, diabetes, and cancer. This paper reviews the basic research and recent application of hydrogen in order to support hydrogen use in medicine for ageing prevention and ageing-related disease therapy.
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Xu J, Liu Y, Zhang Q, Su Z, Yan T, Zhou S, Wang T, Wei X, Chen Z, Hu G, Chen T, Jia G. DNA damage, serum metabolomic alteration and carcinogenic risk associated with low-level air pollution. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 297:118763. [PMID: 34998894 DOI: 10.1016/j.envpol.2021.118763] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 12/23/2021] [Accepted: 12/26/2021] [Indexed: 06/14/2023]
Abstract
Outdoor air pollution has been classified as carcinogenic to humans (Group 1) for lung cancer, but the underlying mechanism and key toxic components remain incompletely understood. Since DNA damage and metabolite alterations are associated with cancer progression, exploring potential mechanisms linking air pollution and cancer might be meaningful. In this study, a real-time ambient air exposure system was established to simulate the real-world environment of adult male SD rats in Beijing from June 13th, 2018, to October 8th, 2018. 8-OHdG in the urine, γ-H2AX in the lungs and mtDNA copy number in the peripheral blood were analyzed to explore DNA damage at different levels. Serum non-targeted metabolomics analysis was performed. Pair-wise spearman was used to explore the correlation between DNA damage biomarkers and serum differential metabolites. Carcinogenic risks of heavy metals and PAHs via inhalation were assessed according to US EPA guidelines. Results showed that PM2.5 and O3 were the major air pollutants in the exposure group and not detected in the control group. Compared with control group, higher levels of 8-OHdG, mtDNA copy number, γ-H2AX and PCNA-positive nuclei cells were observed in the exposure group. Histopathological evaluation suggested ambient air induced alveolar wall thickening and inflammatory cell infiltration in lungs. Perturbed metabolic pathways identified included glycolysis/gluconeogenesis metabolism, purine and pyrimidine metabolism, etc. γ-H2AX was positively correlated with serum ADP, 3-phospho-D-glyceroyl phosphate and N-acetyl-D-glucosamine. The BaPeq was 0.120 ng/m3. Risks of Cr(VI), As, V, BaP, BaA and BbF were above 1 × 10-6. We concluded that low-level air pollution was associated with DNA damage and serum metabolomic alterations in rats. Cr(VI) and BaP were identified as key carcinogenic components in PM2.5. Our results provided experimental evidence for hazard identification and risk assessment of low-level air pollution.
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Affiliation(s)
- Jiayu Xu
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing, 100083, China
| | - Yu Liu
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing, 100083, China
| | - Qiaojian Zhang
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing, 100083, China
| | - Zekang Su
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing, 100083, China
| | - Tenglong Yan
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing, 100083, China
| | - Shupei Zhou
- Department of Laboratory Animal Science, Health Science Center, Peking University, Beijing, 100083, China
| | - Tiancheng Wang
- Department of Clinical Laboratory, Third Hospital of Peking University, Beijing, 100083, China
| | - Xuetao Wei
- Department of Toxicology, School of Public Health, Peking University, Beijing, 100083, China
| | - Zhangjian Chen
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing, 100083, China
| | - Guiping Hu
- School of Medical Science and Engineering, Beihang University, Beijing, 100191, China
| | - Tian Chen
- School of Public Health and Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Guang Jia
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing, 100083, China.
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145
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da Silva GB, Yamauchi MA, Zanini D, Bagatini MD. Novel possibility for cutaneous melanoma treatment by means of rosmarinic acid action on purinergic signaling. Purinergic Signal 2022; 18:61-81. [PMID: 34741236 PMCID: PMC8570242 DOI: 10.1007/s11302-021-09821-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 10/12/2021] [Indexed: 12/14/2022] Open
Abstract
Cancer cases have increased significantly in Brazil and worldwide, with cutaneous melanoma (CM) being responsible for nearly 57,000 deaths in the world. Thus, this review article aims at exploring and proposed hypotheses with respect to the possibility that RA can be a promising and alternative compound to be used as an adjuvant in melanoma treatment, acting on purinergic signaling. The scarcity of articles evidencing the action of this compound in this signaling pathway requires further studies. Considering diverse evidence found in the literature, we hypothesize that RA can be an effective candidate for the treatment of CM acting as a modulating molecule of purinergic cellular pathway through P2X7 blocking, mitigating the Warburg effect, and as antagonic molecule of the P2Y12 receptor, reducing the formation of adhesive molecules that prevent adherence in tumor cells. In this way, our proposals for CM treatment based on targeting purinergic signaling permeate the integral practice, going from intracell to extracell. Undoubtedly, much is still to be discovered and elucidated about this promising compound, this paper being an interesting work baseline to support more research studies.
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Affiliation(s)
- Gilnei Bruno da Silva
- Graduate Program in Biomedical Sciences, Universidade Federal da Fronteira Sul, Fronteira Sul, Chapecó, SC, 89815-899, Brazil
| | - Milena Ayumi Yamauchi
- Graduate Program in Biomedical Sciences, Universidade Federal da Fronteira Sul, Fronteira Sul, Chapecó, SC, 89815-899, Brazil
| | - Daniela Zanini
- Graduate Program in Biomedical Sciences, Universidade Federal da Fronteira Sul, Fronteira Sul, Chapecó, SC, 89815-899, Brazil
| | - Margarete Dulce Bagatini
- Graduate Program in Biomedical Sciences, Universidade Federal da Fronteira Sul, Fronteira Sul, Chapecó, SC, 89815-899, Brazil.
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146
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Maciejczyk M, Nesterowicz M, Szulimowska J, Zalewska A. Oxidation, Glycation, and Carbamylation of Salivary Biomolecules in Healthy Children, Adults, and the Elderly: Can Saliva Be Used in the Assessment of Aging? J Inflamm Res 2022; 15:2051-2073. [PMID: 35378954 PMCID: PMC8976116 DOI: 10.2147/jir.s356029] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 03/11/2022] [Indexed: 12/12/2022] Open
Abstract
Background Aging is inextricably linked to oxidative stress, inflammation, and posttranslational protein modifications. However, no studies evaluate oxidation, glycation, and carbamylation of salivary biomolecules as biomarkers of aging. Saliva collection is non-invasive, painless, and inexpensive, which are advantages over other biofluids. Methods The study enrolled 180 healthy subjects divided into six groups according to age: 6–13, 14–19, 20–39, 40–59, 60–79, and 80–100 years. The number of individuals was determined a priori based on our previous experiment (power of the test = 0.8; α = 0.05). Non-stimulated saliva and plasma were collected from participants, in which biomarkers of aging were determined by colorimetric, fluorometric, and ELISA methods. Results The study have demonstrated that modifications of salivary proteins increase with age, as manifested by decreased total thiol levels and increased carbonyl groups, glycation (Nε-(carboxymethyl) lysine, advanced glycation end products (AGE)) and carbamylation (carbamyl-lysine) protein products in the saliva of old individuals. Oxidative modifications of lipids (4-hydroxynonenal) and nucleic acids (8-hydroxy-2’-deoxyguanosine (8-OHdG)) also increase with age. Salivary redox biomarkers correlate poorly with their plasma levels; however, salivary AGE and 8-OHdG generally reflect their blood concentrations. In the multivariate regression model, they are a predictor of aging and, in the receiver operating characteristic (ROC) analysis, significantly differentiate children and adolescents (under 15 years old) from the working-age population (15–64 years) and the older people (65 years and older). Conclusion Salivary AGE and 8-OHdG have the most excellent diagnostic utility in assessing the aging process. Saliva can be used to evaluate the aging of the body.
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Affiliation(s)
- Mateusz Maciejczyk
- Department of Hygiene, Epidemiology and Ergonomics, Medical University of Bialystok, Bialystok, Poland
- Correspondence: Mateusz Maciejczyk, Department of Hygiene, Epidemiology and Ergonomics, Medical University of Bialystok, 2c Mickiewicza Street, Bialystok, 15-233, Poland, Email
| | - Miłosz Nesterowicz
- Students Scientific Club “Biochemistry of Civilization Diseases” at the Department of Hygiene, Epidemiology, and Ergonomics, Medical University of Bialystok, Bialystok, Poland
| | - Julita Szulimowska
- Department of Conservative Dentistry, Medical University of Bialystok, Bialystok, Poland
| | - Anna Zalewska
- Department of Conservative Dentistry, Medical University of Bialystok, Bialystok, Poland
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147
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Oxidative Stress Biomarkers in Age-Related Lower Urinary Tract Disorders: A Systematic Review. Int Neurourol J 2022; 26:3-19. [PMID: 35368181 PMCID: PMC8984698 DOI: 10.5213/inj.2142188.094] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 07/09/2021] [Indexed: 12/27/2022] Open
Abstract
PURPOSE To conduct a systematic review of preclinical and clinical peer-reviewed evidence linking alterations in oxidative stress biomarkers or outcome measures that were also prevalent in specific age-related lower urinary tract (LUT) disorders. METHODS PubMed, Scopus, CINAHL, and Embase were searched for peer-reviewed studies published between January 2000 and March 2021. Animal and human studies that reported on the impact of oxidative stress in age-related LUT disorders through structural or functional changes in the LUT and changes in biomarkers were included. The PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) protocol was followed. RESULTS Of 882 articles identified, 21 studies (13 animal; 8 human) met inclusion criteria. Across LUT disorders, common structural changes were increased bladder and prostate weights, ischemic damage, nerve damage and detrusor muscle hypertrophy; common functional changes included decreased bladder contraction, increased bladder sensation and excitability, decreased perfusion, and increased inflammation. The disorders were associated with increased levels of biomarkers of oxidative stress that provided evidence of either molecular damage, protective mechanisms against oxidative stress, neural changes, or inflammation. In all cases, the effect on biomarkers and enzymes was greater in aged groups compared to younger groups. CONCLUSION Increased oxidative stress, often associated with mitochondrial dysfunction, plays a significant role in the pathogenesis of age-related LUT disorders and may explain their increasing prevalence. This systematic review identifies potential markers of disease progression and treatment opportunities; further research is warranted to evaluate these markers and the mechanisms by which these changes may lead to age-related LUT disorders.
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148
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Guitart-Mampel M, Urquiza P, Carnevale Neto F, Anderson JR, Hambardikar V, Scoma ER, Merrihew GE, Wang L, MacCoss MJ, Raftery D, Peffers MJ, Solesio ME. Mitochondrial Inorganic Polyphosphate (polyP) Is a Potent Regulator of Mammalian Bioenergetics in SH-SY5Y Cells: A Proteomics and Metabolomics Study. Front Cell Dev Biol 2022; 10:833127. [PMID: 35252194 PMCID: PMC8892102 DOI: 10.3389/fcell.2022.833127] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 01/21/2022] [Indexed: 01/04/2023] Open
Abstract
Inorganic polyphosphate (polyP) is an ancient, ubiquitous, and well-conserved polymer which is present in all the studied organisms. It is formed by individual subunits of orthophosphate which are linked by structurally similar bonds and isoenergetic to those found in ATP. While the metabolism and the physiological roles of polyP have already been described in some organisms, including bacteria and yeast, the exact role of this polymer in mammalian physiology still remains poorly understood. In these organisms, polyP shows a co-localization with mitochondria, and its role as a key regulator of the stress responses, including the maintenance of appropriate bioenergetics, has already been demonstrated by our group and others. Here, using Wild-type (Wt) and MitoPPX (cells enzymatically depleted of mitochondrial polyP) SH-SY5Y cells, we have conducted a comprehensive study of the status of cellular physiology, using proteomics and metabolomics approaches. Our results suggest a clear dysregulation of mitochondrial physiology, especially of bioenergetics, in MitoPPX cells when compared with Wt cells. Moreover, the effects induced by the enzymatic depletion of polyP are similar to those present in the mitochondrial dysfunction that is observed in neurodegenerative disorders and in neuronal aging. Based on our findings, the metabolism of mitochondrial polyP could be a valid and innovative pharmacological target in these conditions.
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Affiliation(s)
| | - Pedro Urquiza
- Department of Biology, Rutgers University, Camden, NJ, United States
| | - Fausto Carnevale Neto
- Northwest Metabolomics Research Center, Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, WA, United States
| | - James R. Anderson
- Musculoskeletal and Ageing Science, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Vedangi Hambardikar
- Center for Computational and Integrative Biology, Rutgers University, Camden, NJ, United States
| | - Ernest R. Scoma
- Center for Computational and Integrative Biology, Rutgers University, Camden, NJ, United States
| | - Gennifer E. Merrihew
- Department of Genome Sciences, University of Washington, Seattle, WA, United States
| | - Lu Wang
- Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, United States
| | - Michael J. MacCoss
- Department of Genome Sciences, University of Washington, Seattle, WA, United States
| | - Daniel Raftery
- Northwest Metabolomics Research Center, Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, WA, United States
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, WA, United States
| | - Mandy J. Peffers
- Musculoskeletal and Ageing Science, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Maria E. Solesio
- Department of Biology, Rutgers University, Camden, NJ, United States
- Center for Computational and Integrative Biology, Rutgers University, Camden, NJ, United States
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149
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Li Y, Sun Q, Chen S, Yu X, Jing H. Monensin inhibits anaplastic thyroid cancer via disrupting mitochondrial respiration and AMPK/mTOR signaling. Anticancer Agents Med Chem 2022; 22:2539-2547. [PMID: 35168524 DOI: 10.2174/1871520622666220215123620] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 01/12/2022] [Accepted: 01/12/2022] [Indexed: 11/22/2022]
Abstract
OBJECTIVE The clinical management of anaplastic thyroid cancer (ATC) remains challenging and novel treatment methods are needed. Monensin is a carboxyl polyether ionophore that potently inhibits the growth of various cancer types. Our current work investigates whether monensin has selective anti-ATC activity and systematically explores its underlying mechanisms. METHODS Proliferation and apoptosis assays were performed using a panel of thyroid cancer cell lines. Mitochondrial biogenesis profiles, ATP levels, oxidative stress, AMPK and mTOR were examined in these cells after monensin treatment. RESULTS Monensin is effective to inhibit proliferation and induce apoptosis in a number of thyroid cancer cell lines. The results are consistent across cell lines of varying cellular origins and genetic mutations. Compared to other thyroid cancer cell types, ATC cell lines are the most sensitive to monensin. Of note, monensin used at our experimental concentration affects less of normal cells. Mechanistic studies reveal that monensin acts on ATC cells through disrupting mitochondrial function, inducing oxidative stress and damage, and AMPK activation-induced mTOR inhibition. We further show mitochondrial respiration is a critical target for monensin in ATC cells. CONCLUSIONS Our pre-clinical findings demonstrate the selective anti-ATC activities of monensin. This is supported by increasing evidence monensin can to be repurposed as a potential anti-cancer drug.
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Affiliation(s)
- Yanli Li
- Department of Endocrinology, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei Province, China
| | - Qianshu Sun
- Department of Endocrinology, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei Province, China
| | - Sisi Chen
- Department of Endocrinology, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei Province, China
| | - Xiongjie Yu
- Department of Oncology, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei Province, China
| | - Hongxia Jing
- Department of Ultrasound, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei Province, China
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Nakayama E, Kushibiki T, Mayumi Y, Azuma R, Ishihara M, Kiyosawa T. Blue Laser Irradiation Decreases the ATP Level in Mouse Skin and Increases the Production of Superoxide Anion and Hypochlorous Acid in Mouse Fibroblasts. BIOLOGY 2022; 11:biology11020301. [PMID: 35205166 PMCID: PMC8869339 DOI: 10.3390/biology11020301] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 01/24/2022] [Accepted: 02/10/2022] [Indexed: 12/16/2022]
Abstract
Simple Summary Photobiomodulation studies have reported that blue light irradiation induces the production of reactive oxygen species. We examined the effect of blue laser (405 nm) irradiation on ATP level in the skin and measured the types of reactive oxygen species and reactive nitrogen species. The decrease in the skin ATP level due to blue light irradiation may be caused by oxidative stress due to the generation of reactive oxygen species. These findings highlight the need to consider the effects on the skin when performing photobiomodulation treatment using blue light. Abstract Photobiomodulation studies have reported that blue light irradiation induces the production of reactive oxygen species. We investigated the effect of blue laser (405 nm) irradiation on the ATP levels in mouse skin and determined the types of reactive oxygen species and reactive nitrogen species using cultured mouse fibroblasts. Blue laser irradiation caused a decrease in the ATP level in the mouse skin and triggered the generation of superoxide anion and hypochlorous acid, whereas nitric oxide and peroxynitrite were not detected. Moreover, blue laser irradiation resulted in reduced cell viability. It is believed that the decrease in the skin ATP level due to blue light irradiation results from the increased levels of oxidative stress due to the generation of reactive oxygen species. This method of systematically measuring the levels of reactive oxygen species and reactive nitrogen species may be useful for understanding the effects of irradiation conditions.
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Affiliation(s)
- Eiko Nakayama
- Department of Plastic Surgery, National Defense Medical College, Saitama 3598513, Japan; (R.A.); (T.K.)
- Correspondence: ; Tel.: +81-4-2995-1596
| | - Toshihiro Kushibiki
- Department of Medical Engineering, National Defense Medical College, Saitama 3598513, Japan; (T.K.); (Y.M.); (M.I.)
| | - Yoshine Mayumi
- Department of Medical Engineering, National Defense Medical College, Saitama 3598513, Japan; (T.K.); (Y.M.); (M.I.)
| | - Ryuichi Azuma
- Department of Plastic Surgery, National Defense Medical College, Saitama 3598513, Japan; (R.A.); (T.K.)
| | - Miya Ishihara
- Department of Medical Engineering, National Defense Medical College, Saitama 3598513, Japan; (T.K.); (Y.M.); (M.I.)
| | - Tomoharu Kiyosawa
- Department of Plastic Surgery, National Defense Medical College, Saitama 3598513, Japan; (R.A.); (T.K.)
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