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Kurhaluk N. Supplementation with l-arginine and nitrates vs age and individual physiological reactivity. Nutr Rev 2024; 82:1239-1259. [PMID: 37903373 DOI: 10.1093/nutrit/nuad131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2023] Open
Abstract
Ageing is a natural ontogenetic phenomenon that entails a decrease in the adaptive capacity of the organism, as a result of which the body becomes less adaptable to stressful conditions. Nitrate and nitrite enter the body from exogenous sources and from nitrification of ammonia nitrogen by intestinal microorganisms. This review considers the mechanisms of action of l-arginine, a known inducer of nitric oxide (NO) biosynthesis, and nitrates as supplements in the processes of ageing and aggravated stress states, in which mechanisms of individual physiological reactivity play an important role. This approach can be used as an element of individual therapy or prevention of premature ageing processes depending on the different levels of initial reactivity of the functional systems. A search was performed of the PubMed, Scopus, and Google Scholar databases (n = 181 articles) and the author's own research (n = 4) up to May 5, 2023. The review presents analyses of data on targeted treatment of NO generation by supplementation with l-arginine or nitrates, which is a promising means for prevention of hypoxic conditions frequently accompanying pathological processes in an ageing organism. The review clarifies the role of the individual state of physiological reactivity, using the example of individuals with a high predominance of cholinergic regulatory mechanisms who already have a significant reserve of adaptive capacity. In studies of the predominance of adrenergic influences, a poorly trained organism as well as an elderly organism correspond to low resistance, which is an additional factor of damage at increased energy expenditure. CONCLUSION It is suggested that the role of NO synthesis from supplementation of dietary nitrates and nitrites increases with age rather than from oxygen-dependent biosynthetic reactions from l-arginine supplementation.
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Affiliation(s)
- Natalia Kurhaluk
- Department of Animal Physiology, Institute of Biology, Pomeranian University in Słupsk, Słupsk, Poland
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Su B, Ren Y, Yao W, Su Y, He Q. Mitochondrial dysfunction and NLRP3 inflammasome: key players in kidney stone formation. BJU Int 2024. [PMID: 38967108 DOI: 10.1111/bju.16454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/06/2024]
Abstract
The mitochondrion serves as a critical intracellular organelle, engaging in essential roles in the regulation of energy production, oxidative stress management, calcium homeostasis, and apoptosis. One such disease that has been particularly associated with these functions is kidney stone disease (KSD), specifically calcium oxalate (CaOx). It is underpinned by oxidative stress and tissue inflammation. Recent studies have shed light on the vital involvement of mitochondrial dysfunction, the nucleotide-binding domain and leucine-rich repeat containing protein 3 (NLRP3) inflammasome, endoplasmic reticulum stress and subsequent cell death in CaOx crystal retention and aggregation. These processes are pivotal in the pathogenesis of kidney stone formation. This review focuses on the pivotal roles of mitochondria in renal cell functions and provides an overview of the intricate interconnectedness between mitochondrial dysfunction and NLRP3 inflammasome activation in the context of KSD. It is essential to recognise the utmost significance of gaining a comprehensive understanding of the mechanisms that safeguard mitochondrial function and regulate the NLRP3 inflammasome. Such knowledge carries significant scientific implications and opens up promising avenues for the development of innovative strategies to prevent the formation of kidney stones.
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Affiliation(s)
- Boyan Su
- Department of Urology, Key Laboratory of Disease of Urological Systems, Gansu Nepho-Urological Clinical Center, Lanzhou University Second Hospital, Lanzhou, Gansu, China
- The Second Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China
| | - YaLin Ren
- Department of Urology, Key Laboratory of Disease of Urological Systems, Gansu Nepho-Urological Clinical Center, Lanzhou University Second Hospital, Lanzhou, Gansu, China
- College of Animal Science and Technology, Guangxi University, Nanning, Guangxi, China
| | - Weimin Yao
- Department of Urology, Tongji Medical College Tongji Hospital, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yue Su
- The Second Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China
| | - Qiqi He
- Department of Urology, Key Laboratory of Disease of Urological Systems, Gansu Nepho-Urological Clinical Center, Lanzhou University Second Hospital, Lanzhou, Gansu, China
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3
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Fan R, Zhang Y, Liu R, Wei C, Wang X, Wu X, Yu X, Li Z, Mao R, Hu J, Zhu N, Liu X, Li Y, Xu M. Exogenous Nucleotides Improve the Skin Aging of SAMP8 Mice by Modulating Autophagy through MAPKs and AMPK Pathways. Nutrients 2024; 16:1907. [PMID: 38931262 PMCID: PMC11206724 DOI: 10.3390/nu16121907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2024] [Revised: 06/07/2024] [Accepted: 06/15/2024] [Indexed: 06/28/2024] Open
Abstract
The skin, serving as the body's primary defense against external elements, plays a crucial role in protecting the body from infections and injuries, as well as maintaining overall homeostasis. Skin aging, a common manifestation of the aging process, involves the gradual deterioration of its normal structure and repair mechanisms. Addressing the issue of skin aging is increasingly imperative. Multiple pieces of evidence indicate the potential anti-aging effects of exogenous nucleotides (NTs) through their ability to inhibit oxidative stress and inflammation. This study aims to investigate whether exogenous NTs can slow down skin aging and elucidate the underlying mechanisms. To achieve this objective, senescence-accelerated mouse prone-8 (SAMP8) mice were utilized and randomly allocated into Aging, NTs-low, NTs-middle, and NTs-high groups, while senescence-accelerated mouse resistant 1 (SAMR1) mice were employed as the control group. After 9 months of NT intervention, dorsal skin samples were collected to analyze the pathology and assess the presence and expression of substances related to the aging process. The findings indicated that a high-dose NT treatment led to a significant increase in the thickness of the epithelium and dermal layers, as well as Hyp content (p < 0.05). Additionally, it was observed that low-dose NT intervention resulted in improved aging, as evidenced by a significant decrease in p16 expression (p < 0.05). Importantly, the administration of high doses of NTs could improve, in some ways, mitochondrial function, which is known to reduce oxidative stress and promote ATP and NAD+ production significantly. These observed effects may be linked to NT-induced autophagy, as evidenced by the decreased expression of p62 and increased expression of LC3BI/II in the intervention groups. Furthermore, NTs were found to upregulate pAMPK and PGC-1α expression while inhibiting the phosphorylation of p38MAPK, JNK, and ERK, suggesting that autophagy may be regulated through the AMPK and MAPK pathways. Therefore, the potential induction of autophagy by NTs may offer benefits in addressing skin aging through the activation of the AMPK pathway and the inhibition of the MAPK pathway.
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Affiliation(s)
- Rui Fan
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, China; (R.F.); (Y.Z.); (R.L.); (C.W.); (X.W.); (X.W.); (X.Y.); (Z.L.); (R.M.); (J.H.); (N.Z.); (X.L.); (Y.L.)
- Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Peking University, Beijing 100191, China
| | - Ying Zhang
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, China; (R.F.); (Y.Z.); (R.L.); (C.W.); (X.W.); (X.W.); (X.Y.); (Z.L.); (R.M.); (J.H.); (N.Z.); (X.L.); (Y.L.)
- Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Peking University, Beijing 100191, China
| | - Rui Liu
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, China; (R.F.); (Y.Z.); (R.L.); (C.W.); (X.W.); (X.W.); (X.Y.); (Z.L.); (R.M.); (J.H.); (N.Z.); (X.L.); (Y.L.)
- Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Peking University, Beijing 100191, China
| | - Chan Wei
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, China; (R.F.); (Y.Z.); (R.L.); (C.W.); (X.W.); (X.W.); (X.Y.); (Z.L.); (R.M.); (J.H.); (N.Z.); (X.L.); (Y.L.)
- Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Peking University, Beijing 100191, China
| | - Xiujuan Wang
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, China; (R.F.); (Y.Z.); (R.L.); (C.W.); (X.W.); (X.W.); (X.Y.); (Z.L.); (R.M.); (J.H.); (N.Z.); (X.L.); (Y.L.)
- Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Peking University, Beijing 100191, China
| | - Xin Wu
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, China; (R.F.); (Y.Z.); (R.L.); (C.W.); (X.W.); (X.W.); (X.Y.); (Z.L.); (R.M.); (J.H.); (N.Z.); (X.L.); (Y.L.)
- Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Peking University, Beijing 100191, China
| | - Xiaochen Yu
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, China; (R.F.); (Y.Z.); (R.L.); (C.W.); (X.W.); (X.W.); (X.Y.); (Z.L.); (R.M.); (J.H.); (N.Z.); (X.L.); (Y.L.)
- Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Peking University, Beijing 100191, China
| | - Zhen Li
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, China; (R.F.); (Y.Z.); (R.L.); (C.W.); (X.W.); (X.W.); (X.Y.); (Z.L.); (R.M.); (J.H.); (N.Z.); (X.L.); (Y.L.)
- Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Peking University, Beijing 100191, China
| | - Ruixue Mao
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, China; (R.F.); (Y.Z.); (R.L.); (C.W.); (X.W.); (X.W.); (X.Y.); (Z.L.); (R.M.); (J.H.); (N.Z.); (X.L.); (Y.L.)
- Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Peking University, Beijing 100191, China
| | - Jiani Hu
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, China; (R.F.); (Y.Z.); (R.L.); (C.W.); (X.W.); (X.W.); (X.Y.); (Z.L.); (R.M.); (J.H.); (N.Z.); (X.L.); (Y.L.)
- Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Peking University, Beijing 100191, China
| | - Na Zhu
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, China; (R.F.); (Y.Z.); (R.L.); (C.W.); (X.W.); (X.W.); (X.Y.); (Z.L.); (R.M.); (J.H.); (N.Z.); (X.L.); (Y.L.)
- Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Peking University, Beijing 100191, China
| | - Xinran Liu
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, China; (R.F.); (Y.Z.); (R.L.); (C.W.); (X.W.); (X.W.); (X.Y.); (Z.L.); (R.M.); (J.H.); (N.Z.); (X.L.); (Y.L.)
- Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Peking University, Beijing 100191, China
| | - Yong Li
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, China; (R.F.); (Y.Z.); (R.L.); (C.W.); (X.W.); (X.W.); (X.Y.); (Z.L.); (R.M.); (J.H.); (N.Z.); (X.L.); (Y.L.)
- Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Peking University, Beijing 100191, China
| | - Meihong Xu
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, China; (R.F.); (Y.Z.); (R.L.); (C.W.); (X.W.); (X.W.); (X.Y.); (Z.L.); (R.M.); (J.H.); (N.Z.); (X.L.); (Y.L.)
- Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Peking University, Beijing 100191, China
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Zhao W, Fang H, Wang T, Yao C. Identification of mitochondria-related biomarkers in childhood allergic asthma. BMC Med Genomics 2024; 17:141. [PMID: 38783263 PMCID: PMC11112767 DOI: 10.1186/s12920-024-01901-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 05/06/2024] [Indexed: 05/25/2024] Open
Abstract
BACKGROUND The mechanism of mitochondria-related genes (MRGs) in childhood allergic asthma (CAS) was unclear. The aim of this study was to find new biomarkers related to MRGs in CAS. METHODS This research utilized two CAS-related datasets (GSE40888 and GSE40732) and extracted 40 MRGs from the MitoCarta3.0 Database. Initially, differential expression analysis was performed on CAS and control samples in the GSE40888 dataset to obtain the differentially expressed genes (DEGs). Differentially expressed MRGs (DE-MRGs) were obtained by overlapping the DEGs and MRGs. Protein protein interactions (PPI) network of DE-MRGs was created and the top 10 genes in the degree ranking of Maximal Clique Centrality (MCC) algorithm were defined as feature genes. Hub genes were obtained from the intersection genes from the Least absolute shrinkage and selection operator (LASSO) and EXtreme Gradient Boosting (XGBoost) algorithms. Additionally, the expression validation was conducted, functional enrichment analysis, immune infiltration analysis were finished, and transcription factors (TFs)-miRNA-mRNA regulatory network was constructed. RESULTS A total of 1505 DEGs were obtained from the GSE40888, and 44 DE-MRGs were obtained. A PPI network based on these 44 DE-MRGs was created and revealed strong interactions between ADCK5 and MFN1, BNIP3 and NBR1. Four hub genes (NDUFAF7, MTIF3, MRPS26, and NDUFAF1) were obtained by taking the intersection of genes from the LASSO and XGBoost algorithms based on 10 signature genes which obtained from PPI. In addition, hub genes-based alignment diagram showed good diagnostic performance. The results of Gene Set Enrichment Analysis (GSEA) suggested that hub genes were closely related to mismatch repair. The B cells naive cells were significantly expressed between CAS and control groups, and MTIF3 was most strongly negatively correlated with B cells naive. In addition, the expression of MTIF3 and MRPS26 may have influenced the inflammatory response in CAS patients by affecting mitochondria-related functions. The quantitative real-time polymerase chain reaction (qRT‒PCR) results showed that four hub genes were all down-regulated in the CAS samples. CONCLUSION NDUFAF7, MTIF3, MRPS26, and NDUFAF1 were identified as an MRGs-related biomarkers in CAS, which provides some reference for further research on CAS.
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Affiliation(s)
- Wei Zhao
- Department of Pediatrics, The Second People's Hospital of Hefei, Hefei, Anhui, China.
| | - Hongjuan Fang
- Department of Pediatrics, The Second People's Hospital of Hefei, Hefei, Anhui, China
| | - Tao Wang
- Department of Pediatrics, The Second People's Hospital of Hefei, Hefei, Anhui, China
| | - Chao Yao
- Department of Pediatrics, The Second People's Hospital of Hefei, Hefei, Anhui, China
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Lee SH, Li XH, Lu QY, Zhan CL, Kim JD, Lee GH, Sim JM, Cui XS. Nobiletin enhances mitochondrial function by regulating SIRT1/PGC-1α signaling in porcine oocytes during in vitro maturation. Biochem Biophys Res Commun 2024; 706:149747. [PMID: 38479243 DOI: 10.1016/j.bbrc.2024.149747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 02/23/2024] [Accepted: 03/04/2024] [Indexed: 03/24/2024]
Abstract
Nobiletin is a natural flavonoid found in citrus fruits with beneficial effects, including anti-inflammatory, anti-cancer and anti-oxidation effects. The aim of this study was to investigate whether nobiletin improves mitochondrial function in porcine oocytes and examine the underlying mechanism. Oocytes enclosed by cumulus cells were cultured in TCM-199 for 44 h with 0.1% dimethyl sulfoxide (control), or supplemented with 5, 10, 25, and 50 μM of nobiletin (Nob5, Nob10, Nob25, and Nob50, respectively). Oocyte maturation rate was significantly enhanced in Nob10 (70.26 ± 0.45%) compared to the other groups (control: 60.12 ± 0.47%; Nob5: 59.44 ± 1.63%; Nob25: 63.15 ± 1.38%; Nob50: 46.57 ± 1.19%). The addition of nobiletin reduced the levels of reactive oxygen species and increased glutathione levels. Moreover, Nob10 promoted mitochondrial biogenesis by upregulating the protein levels of sirtuin 1 (SIRT1) and peroxisome proliferator-activated receptor-gamma coactivator 1α (PGC-1α). This resulted in an increase in the number of active mitochondria, mitochondrial DNA copy number, mitochondrial membrane potential, and ATP production, thereby enhancing mitochondrial function. The protein level of p53 decreased, followed by the phosphorylation of B-cell lymphoma 2, suggesting a reduction in mitochondria-mediated apoptosis in the Nob10 group. Additionally, the release of cytochrome c from the mitochondria was significantly diminished along with a decrease in the protein expression of caspase 3. Thus, nobiletin has a great potential to promote the in vitro maturation of porcine oocytes by suppressing oxidative stress and promoting mitochondrial function through the upregulation of the SIRT1/PGC-1α signaling pathway.
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Affiliation(s)
- Song-Hee Lee
- Department of Animal Science, Chungbuk National University, Cheongju, Chungbuk, 28644, Republic of Korea
| | - Xiao-Han Li
- Department of Animal Science, Chungbuk National University, Cheongju, Chungbuk, 28644, Republic of Korea
| | - Qin-Yue Lu
- Department of Animal Science, Chungbuk National University, Cheongju, Chungbuk, 28644, Republic of Korea
| | - Cheng-Lin Zhan
- Department of Animal Science, Chungbuk National University, Cheongju, Chungbuk, 28644, Republic of Korea
| | - Ji-Dam Kim
- Department of Animal Science, Chungbuk National University, Cheongju, Chungbuk, 28644, Republic of Korea
| | - Gyu-Hyun Lee
- Department of Animal Science, Chungbuk National University, Cheongju, Chungbuk, 28644, Republic of Korea
| | - Jae-Min Sim
- Department of Animal Science, Chungbuk National University, Cheongju, Chungbuk, 28644, Republic of Korea
| | - Xiang-Shun Cui
- Department of Animal Science, Chungbuk National University, Cheongju, Chungbuk, 28644, Republic of Korea.
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Esperança TD, Stringhetta-Villar BP, Cavalcante DP, Douradinho LG, Fiais GA, Pereira R, Chaves-Neto AH, Lima FB, Dornelles RCM. Analysis of the cognitive and functional behavior of female rats in the periestropause after hormone therapy with estrogen. Behav Brain Res 2024; 462:114866. [PMID: 38232785 DOI: 10.1016/j.bbr.2024.114866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 01/11/2024] [Accepted: 01/11/2024] [Indexed: 01/19/2024]
Abstract
Perimenopause is a critical period, with severe cycle irregularity and lower estrogen secretion altering redox state biomarkers, leading to behavioral changes. The estrogen hormonal therapy (EHT) being commonly used to alleviate climacteric effects. Therefore, the aim of this study was to analyze anxiolytic profile, recognition memory (short and long term), ambulation, redox status, cell synaptic activity in locus coeruleus and hippocampus of Wistar rats in the periestropause after EHT. Forty rats participated in the study; 20 were treated with corn oil (group 21Mo/Veh; corn oil/0.2 mL/sc; 2x/week) and 20 were submitted to EHT (group 21Mo/E2; 17β-estradiol/15 μg/Kg/sc; 2x/week) for 120 days. Open field, elevated plus maze, object recognition (RO), and footprint tests were performed immediately before and at the end of the treatment period. From the decapitated brains, isolated hippocampus were destined for biochemical analysis, in turn, perfused brains were destined for histological analysis. The 21Mo/E2 group had a significantly greater total time in the central region and a significantly greater number of entries into the open arms compared to the 21Mo/Veh group, as in crossing, rearing and grooming behaviors, evidencing an anxiolytic profile. In the RO test, the 21Mo/Veh group decreased long-term memory, and the 21Mo/E2 group maintained the same index as at 17 months of age, in addition to a better balance of the hippocampal redox state, prevention of neuronal cell loss and better gait. Based on the results, it appears that exogenous E2 supplementation during periestropause may help preserve neurological functions and potentially prevent neuropsychological and neurodegenerative disorders.
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Affiliation(s)
- Thainá Daguane Esperança
- Multicentric Graduate Program in Physiological Sciences- SBFis/UNESP, São Paulo State University, Araçatuba, São Paulo, Brazil; Aging Biology Research Group, Department of Basic Sciences, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, Brazil
| | - Beatriz Procópio Stringhetta-Villar
- Multicentric Graduate Program in Physiological Sciences- SBFis/UNESP, São Paulo State University, Araçatuba, São Paulo, Brazil; Aging Biology Research Group, Department of Basic Sciences, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, Brazil
| | - Débora Prazias Cavalcante
- Multicentric Graduate Program in Physiological Sciences- SBFis/UNESP, São Paulo State University, Araçatuba, São Paulo, Brazil; Aging Biology Research Group, Department of Basic Sciences, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, Brazil
| | - Luana Galante Douradinho
- Multicentric Graduate Program in Physiological Sciences- SBFis/UNESP, São Paulo State University, Araçatuba, São Paulo, Brazil; Aging Biology Research Group, Department of Basic Sciences, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, Brazil
| | - Gabriela Alice Fiais
- Multicentric Graduate Program in Physiological Sciences- SBFis/UNESP, São Paulo State University, Araçatuba, São Paulo, Brazil
| | - Rafael Pereira
- Integrative Physiology Research Center, Department of Biological Sciences, Universidade Estadual do Sudoeste da Bahia (UESB), Jequie 45210-506, Bahia, Brazil
| | - Antonio Hernandes Chaves-Neto
- Multicentric Graduate Program in Physiological Sciences- SBFis/UNESP, São Paulo State University, Araçatuba, São Paulo, Brazil; Aging Biology Research Group, Department of Basic Sciences, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, Brazil
| | | | - Rita Cássia Menegati Dornelles
- Multicentric Graduate Program in Physiological Sciences- SBFis/UNESP, São Paulo State University, Araçatuba, São Paulo, Brazil; Aging Biology Research Group, Department of Basic Sciences, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, Brazil.
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Bai J, Wang X, Chen Y, Yuan Q, Yang Z, Mi Y, Zhang C. Nobiletin Ameliorates Aging of Chicken Ovarian Prehierarchical Follicles by Suppressing Oxidative Stress and Promoting Autophagy. Cells 2024; 13:415. [PMID: 38474379 DOI: 10.3390/cells13050415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 02/13/2024] [Accepted: 02/23/2024] [Indexed: 03/14/2024] Open
Abstract
With the increase in the age of laying chickens, the aging of follicles is accelerated, and the reproductive ability is decreased. Increased oxidative stress and mitochondrial malfunction are indispensable causes of ovarian aging. In this study, the physiological condition of prehierarchical small white follicles (SWFs) was compared between D280 high-producing chickens and D580 aging chickens, and the effect of a plant-derived flavonoid nobiletin (Nob), a natural antioxidant, on senescence of SWFs granulosa cells (SWF-GCs) was investigated. The results showed that Nob treatment activated cell autophagy by activating the AMP-activated protein kinase (AMPK) and Sirtuin-1 (SIRT1) pathways in D-galactose (D-gal)-generated senescent SWF-GCs, restoring the expression of proliferation-related mRNAs and proteins. In addition, the expression of inflammation-related protein NF-κB was significantly enhanced in aging GCs that were induced by D-gal. Nob supplementation significantly increased the antioxidant capacity and decreased the expression of several genes associated with cell apoptosis. Furthermore, Nob promoted activation of PINK1 and Parkin pathways for mitophagy and alleviated mitochondrial edema. Either the AMPK inhibitor dorsomorphin (Compound C) or SIRT1 inhibitor selisistat (EX-527) attenuated the effect of Nob on mitophagy. The protective effect of Nob on natural aging, GC proliferation, and elimination of the beneficial impact on energy regulation of naturally aging ovaries was diminished by inhibition of Nob-mediated autophagy. These data suggest that Nob treatment increases the expression of mitophagy-related proteins (PINK1 and Parkin) via the AMPK/SIRT1 pathways to prevent ovarian aging in the laying chickens.
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Affiliation(s)
- Jingchun Bai
- College of Animal Sciences, Zhejiang University, No. 866 Yuhangtang Road, Hangzhou 310058, China
| | - Xinyu Wang
- College of Animal Sciences, Zhejiang University, No. 866 Yuhangtang Road, Hangzhou 310058, China
| | - Yiqiu Chen
- College of Animal Sciences, Zhejiang University, No. 866 Yuhangtang Road, Hangzhou 310058, China
| | - Qiongyu Yuan
- College of Animal Sciences, Zhejiang University, No. 866 Yuhangtang Road, Hangzhou 310058, China
| | - Zhaoyu Yang
- College of Animal Sciences, Zhejiang University, No. 866 Yuhangtang Road, Hangzhou 310058, China
| | - Yuling Mi
- College of Animal Sciences, Zhejiang University, No. 866 Yuhangtang Road, Hangzhou 310058, China
| | - Caiqiao Zhang
- College of Animal Sciences, Zhejiang University, No. 866 Yuhangtang Road, Hangzhou 310058, China
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8
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Zhang Y, Sun D, Gao W, Zhang X, Ye W, Zhang Z. The metabolic mechanisms of Cd-induced hormesis in photosynthetic microalgae, Chromochloris zofingiensis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:168966. [PMID: 38043816 DOI: 10.1016/j.scitotenv.2023.168966] [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: 09/11/2023] [Revised: 11/22/2023] [Accepted: 11/26/2023] [Indexed: 12/05/2023]
Abstract
Cadmium, an environmental pollutant, is highly toxic and resistant to degradation. It exhibits toxicity at elevated doses but triggers excitatory effects at low doses, a phenomenon referred to as hormesis. Microalgae, as primary producers in aquatic ecosystems, demonstrate hormesis induced by cadmium, though the specific mechanisms are not yet fully understood. Consequently, we examined the hormesis of cadmium in Chromochloris zofingiensis. A minimal Cd2+ concentration (0.05 mg L-1) prompted cell proliferation, whereas higher concentrations (2.50 mg L-1) inhibited growth. The group exposed to higher doses exhibited increased levels of reactive oxygen species (ROS), malondialdehyde (MDA), glutathione (GSH), superoxide dismutase (SOD), and catalase (CAT). Contrastingly, the group exposed to low doses exhibited a moderate antioxidant response without significantly increasing ROS. This implies that increased levels of antioxidative components counteract excessive ROS, maintaining cellular redox balance and promoting growth under conditions of low Cd2+. Validation experiments have established that NADPH oxidase-derived ROS primarily coordinates the hormesis effect in microalgae. Comparative transcriptome analysis has proved the involvement of antioxidant systems and photosynthesis in regulating hormesis. Notably, Aurora A kinases consistently displayed varying expression levels across all Cd2+ treatments, and their role in microalgal hormesis was confirmed through validation with SNS-314 mesylate. This study unveils the intricate regulatory mechanisms of Cd-induced hormesis in C. zofingiensis, with implications for environmental remediation and industrial microalgae applications.
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Affiliation(s)
- Yushu Zhang
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Collaborative Innovation Center for Eco-Environment, Hebei Research Center of the Basic Discipline of Cell Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China; Institute of Life Sciences and Green Development, Hebei University, Baoding 071000, China
| | - Dongzhe Sun
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Collaborative Innovation Center for Eco-Environment, Hebei Research Center of the Basic Discipline of Cell Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China
| | - Weizheng Gao
- Institute of Life Sciences and Green Development, Hebei University, Baoding 071000, China
| | - Xinwei Zhang
- Institute of Life Sciences and Green Development, Hebei University, Baoding 071000, China
| | - Wenqi Ye
- Institute of Life Sciences and Green Development, Hebei University, Baoding 071000, China
| | - Zhao Zhang
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Collaborative Innovation Center for Eco-Environment, Hebei Research Center of the Basic Discipline of Cell Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China; Institute of Life Sciences and Green Development, Hebei University, Baoding 071000, China; Hebei Innovation Center for Bioengineering and Biotechnology, Baoding 071000, China.
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9
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Chang YY, Wei AC. Transcriptome and machine learning analysis of the impact of COVID-19 on mitochondria and multiorgan damage. PLoS One 2024; 19:e0297664. [PMID: 38295140 PMCID: PMC10830027 DOI: 10.1371/journal.pone.0297664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 01/09/2024] [Indexed: 02/02/2024] Open
Abstract
The effects of coronavirus disease 2019 (COVID-19) primarily concern the respiratory tract and lungs; however, studies have shown that all organs are susceptible to infection by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). COVID-19 may involve multiorgan damage from direct viral invasion through angiotensin-converting enzyme 2 (ACE2), through inflammatory cytokine storms, or through other secondary pathways. This study involved the analysis of publicly accessible transcriptome data from the Gene Expression Omnibus (GEO) database for identifying significant differentially expressed genes related to COVID-19 and an investigation relating to the pathways associated with mitochondrial, cardiac, hepatic, and renal toxicity in COVID-19. Significant differentially expressed genes were identified and ranked by statistical approaches, and the genes derived by biological meaning were ranked by feature importance; both were utilized as machine learning features for verification. Sample set selection for machine learning was based on the performance, sample size, imbalanced data state, and overfitting assessment. Machine learning served as a verification tool by facilitating the testing of biological hypotheses by incorporating gene list adjustment. A subsequent in-depth study for gene and pathway network analysis was conducted to explore whether COVID-19 is associated with cardiac, hepatic, and renal impairments via mitochondrial infection. The analysis showed that potential cardiac, hepatic, and renal impairments in COVID-19 are associated with ACE2, inflammatory cytokine storms, and mitochondrial pathways, suggesting potential medical interventions for COVID-19-induced multiorgan damage.
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Affiliation(s)
- Yu-Yu Chang
- Graduate Institute of Biomedical Electronics and Bioinformatics, National Taiwan University, Taipei, Taiwan
| | - An-Chi Wei
- Graduate Institute of Biomedical Electronics and Bioinformatics, National Taiwan University, Taipei, Taiwan
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10
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Zeng T, Fu Q, Luo F, Dai J, Fu R, Qi Y, Deng X, Lu Y, Xu Y. Lactic acid bacteria modulate the CncC pathway to enhance resistance to β-cypermethrin in the oriental fruit fly. THE ISME JOURNAL 2024; 18:wrae058. [PMID: 38618721 PMCID: PMC11069359 DOI: 10.1093/ismejo/wrae058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 03/08/2024] [Accepted: 04/08/2024] [Indexed: 04/16/2024]
Abstract
The gut microbiota of insects has been shown to regulate host detoxification enzymes. However, the potential regulatory mechanisms involved remain unknown. Here, we report that gut bacteria increase insecticide resistance by activating the cap "n" collar isoform-C (CncC) pathway through enzymatically generated reactive oxygen species (ROS) in Bactrocera dorsalis. We demonstrated that Enterococcus casseliflavus and Lactococcus lactis, two lactic acid-producing bacteria, increase the resistance of B. dorsalis to β-cypermethrin by regulating cytochrome P450 (P450) enzymes and α-glutathione S-transferase (GST) activities. These gut symbionts also induced the expression of CncC and muscle aponeurosis fibromatosis. BdCncC knockdown led to a decrease in resistance caused by gut bacteria. Ingestion of the ROS scavenger vitamin C in resistant strain affected the expression of BdCncC/BdKeap1/BdMafK, resulting in reduced P450 and GST activity. Furthermore, feeding with E. casseliflavus or L. lactis showed that BdNOX5 increased ROS production, and BdNOX5 knockdown affected the expression of the BdCncC/BdMafK pathway and detoxification genes. Moreover, lactic acid feeding activated the ROS-associated regulation of P450 and GST activity. Collectively, our findings indicate that symbiotic gut bacteria modulate intestinal detoxification pathways by affecting physiological biochemistry, thus providing new insights into the involvement of insect gut microbes in the development of insecticide resistance.
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Affiliation(s)
- Tian Zeng
- Guangdong Laboratory for Lingnan Modern Agriculture, Department of Entomology, South China Agricultural University, Guangzhou 510642, China
| | - Qianyan Fu
- Guangdong Laboratory for Lingnan Modern Agriculture, Department of Entomology, South China Agricultural University, Guangzhou 510642, China
| | - Fangyi Luo
- Guangdong Provincial Sericulture & Mulberry Engineering Research Center, Guangdong Prov Key Lab of AgroAnimal Genomics & Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
| | - Jian Dai
- Guangdong Laboratory for Lingnan Modern Agriculture, Department of Entomology, South China Agricultural University, Guangzhou 510642, China
| | - Rong Fu
- Guangdong Laboratory for Lingnan Modern Agriculture, Department of Entomology, South China Agricultural University, Guangzhou 510642, China
| | - Yixiang Qi
- Guangdong Laboratory for Lingnan Modern Agriculture, Department of Entomology, South China Agricultural University, Guangzhou 510642, China
| | - Xiaojuan Deng
- Guangdong Provincial Sericulture & Mulberry Engineering Research Center, Guangdong Prov Key Lab of AgroAnimal Genomics & Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
| | - Yongyue Lu
- Guangdong Laboratory for Lingnan Modern Agriculture, Department of Entomology, South China Agricultural University, Guangzhou 510642, China
| | - Yijuan Xu
- Guangdong Laboratory for Lingnan Modern Agriculture, Department of Entomology, South China Agricultural University, Guangzhou 510642, China
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11
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Martins C, Magalhães S, Almeida I, Neto V, Rebelo S, Nunes A. Metabolomics to Study Human Aging: A Review. Curr Mol Med 2024; 24:457-477. [PMID: 37026499 DOI: 10.2174/1566524023666230407123727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 02/17/2023] [Accepted: 02/17/2023] [Indexed: 04/08/2023]
Abstract
In the last years, with the increase in the average life expectancy, the world's population is progressively aging, which entails social, health and economic problems. In this sense, the need to better understand the physiology of the aging process becomes an urgent need. Since the study of aging in humans is challenging, cellular and animal models are widely used as alternatives. Omics, namely metabolomics, have emerged in the study of aging, with the aim of biomarker discovering, which may help to uncomplicate this complex process. This paper aims to summarize different models used for aging studies with their advantages and limitations. Also, this review gathers the published articles referring to biomarkers of aging already discovered using metabolomics approaches, comparing the results obtained in the different studies. Finally, the most frequently used senescence biomarkers are described, along with their importance in understanding aging.
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Affiliation(s)
- Claudia Martins
- Department of Medical Sciences, iBiMED: Institute of Biomedicine, University of Aveiro, Agra do Crasto, Aveiro 3810-193, Portugal
| | - Sandra Magalhães
- Department of Surgery and Physiology, Faculty of Medicine, UnIC@RISE, Cardiovascular Research & Development Centre, University of Porto, Alameda Prof. Hernâni Monteiro, Porto 4200-319, Portugal
| | - Idália Almeida
- Department of Medical Sciences, iBiMED: Institute of Biomedicine, University of Aveiro, Agra do Crasto, Aveiro 3810-193, Portugal
- CICECO: Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, Aveiro 3810-193, Portugal
| | - Vanessa Neto
- Department of Medical Sciences, iBiMED: Institute of Biomedicine, University of Aveiro, Agra do Crasto, Aveiro 3810-193, Portugal
| | - Sandra Rebelo
- Department of Medical Sciences, iBiMED: Institute of Biomedicine, University of Aveiro, Agra do Crasto, Aveiro 3810-193, Portugal
| | - Alexandra Nunes
- Department of Medical Sciences, iBiMED: Institute of Biomedicine, University of Aveiro, Agra do Crasto, Aveiro 3810-193, Portugal
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12
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Liu WR, Li MT, Zhou Q, Gao SY, Hou JB, Yang GB, Liu NM, Jia-Yan, Yu JP, Cheng J, Guo ZY. Study on Fu-Fang-Jin-Qian-Cao Inhibiting Autophagy in Calcium Oxalate-induced Renal Injury by UHPLC/Q-TOF-MS-based Metabonomics and Network Pharmacology Approaches. Comb Chem High Throughput Screen 2024; 27:90-100. [PMID: 37190798 DOI: 10.2174/1386207326666230515151302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 03/26/2023] [Accepted: 04/10/2023] [Indexed: 05/17/2023]
Abstract
INTRODUCTION Fu-Fang-Jin-Qian-Cao is a Chinese herbal preparation used to treat urinary calculi. Fu-Fang-Jin-Qian-Cao can protect renal tubular epithelial cells from calcium oxalateinduced renal injury by inhibiting ROS-mediated autopathy. The mechanism still needs further exploration. Metabonomics is a new subject; the combination of metabolomics and network pharmacology can find pathways for drugs to act on targets more efficiently. METHODS Comprehensive metabolomics and network pharmacology to study the mechanism of Fu-Fang-Jin-Qian-Cao inhibiting autophagy in calcium oxalate-induced renal injury. Based on UHPLC-Q-TOF-MS, combined with biochemical analysis, a mice model of Calcium oxalateinduced renal injury was established to study the therapeutic effect of Fu-Fang-Jin-Qian-Cao. Based on the network pharmacology, the target signaling pathway and the protective effect of Fu- Fang-Jin-Qian-Cao on Calcium oxalate-induced renal injury by inhibiting autophagy were explored. Autophagy-related proteins LC3-II, BECN1, ATG5, and ATG7 were studied by immunohistochemistry. RESULTS Combining network pharmacology and metabolomics, 50 differential metabolites and 2482 targets related to these metabolites were found. Subsequently, the targets enriched in PI3KAkt, MAPK and Ras signaling pathways. LC3-II, BECN1, ATG5 and ATG7 were up-regulated in Calcium oxalate-induced renal injury. All of them could be reversed after the Fu-Fang-Jin-Qian- Cao treatment. CONCLUSIONS Fu-Fang-Jin-Qian-Cao can reverse ROS-induced activation of the MAPK signaling pathway and inhibition of the PI3K-Akt signaling pathway, thereby reducing autophagy damage of renal tubular epithelial cells in Calcium oxalate-induced renal injury.
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Affiliation(s)
- Wen-Rui Liu
- Department of Nephrology, Changhai Hospital, Navy Medical University, Shanghai, China
- Department of Nephrology, Seventh People's Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Mao-Ting Li
- Department of Nephrology, Changhai Hospital, Navy Medical University, Shanghai, China
| | - Qi Zhou
- Department of Nephrology, Changhai Hospital, Navy Medical University, Shanghai, China
| | - Song-Yan Gao
- Institute of Translational Medicine, Shanghai University, Shanghai, China
| | - Jie-Bin Hou
- Department of Nephrology, The Second Medical Centre, Chinese PLA General Hospital, Beijing, China
| | - Guo-Bin Yang
- Department of Nephrology, Seventh People's Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Nan-Mei Liu
- International Medicine III (Nephrology & Endocrinology), Navy Medical Center of PLA, Navy Medical University, Shanghai, China
| | - Jia-Yan
- Department of Nephrology, Changhai Hospital, Navy Medical University, Shanghai, China
| | - Jian-Peng Yu
- Department of Nephrology, Changhai Hospital, Navy Medical University, Shanghai, China
| | - Jin Cheng
- International Medicine III (Nephrology & Endocrinology), Navy Medical Center of PLA, Navy Medical University, Shanghai, China
| | - Zhi-Yong Guo
- Department of Nephrology, Changhai Hospital, Navy Medical University, Shanghai, China
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13
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Zhang W, Yang F, Yan Q, Li J, Zhang X, Jiang Y, Dai J. Hypoxia inducible factor-1α related mechanism and TCM intervention in process of early fracture healing. CHINESE HERBAL MEDICINES 2024; 16:56-69. [PMID: 38375046 PMCID: PMC10874770 DOI: 10.1016/j.chmed.2023.09.006] [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: 05/20/2023] [Revised: 09/19/2023] [Accepted: 09/27/2023] [Indexed: 02/21/2024] Open
Abstract
As a common clinical disease, fracture is often accompanied by pain, swelling, bleeding as well as other symptoms and has a high disability rate, even threatening life, seriously endangering patients' physical and psychological health and quality of life. Medical practitioners take many strategies for the treatment of fracture healing, including Traditional Chinese Medicine (TCM). In the early stage of fracture healing, the local fracture is often in a state of hypoxia, accompanied by the expression of hypoxia inducible factor-1α (HIF-1α), which is beneficial to wound healing. Through literature mining, we thought that hypoxia, HIF-1α and downstream factors affected the mechanism of fracture healing, as well as dominated this process. Therefore, we reviewed the local characteristics and related signaling pathways involved in the fracture healing process and summarized the intervention of TCM on these mechanisms, in order to inspirit the new strategy for fracture healing, as well as elaborate on the possible principles of TCM in treating fractures based on the HIF molecular mechanism.
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Affiliation(s)
- Wenxian Zhang
- Affiliated Hospital of Gansu University of Traditional Chinese Medicine, Lanzhou 730000, China
| | - Fusen Yang
- School of Pharmacy, Lanzhou University, Lanzhou 730000, China
| | - Qikai Yan
- Affiliated Hospital of Gansu University of Traditional Chinese Medicine, Lanzhou 730000, China
- Xi'an Hospital of Traditional Chinese Medicine, Xi'an 710021, China
| | - Jiahui Li
- School of Pharmacy, Lanzhou University, Lanzhou 730000, China
| | - Xiaogang Zhang
- Affiliated Hospital of Gansu University of Traditional Chinese Medicine, Lanzhou 730000, China
| | - Yiwei Jiang
- Affiliated Hospital of Gansu University of Traditional Chinese Medicine, Lanzhou 730000, China
| | - Jianye Dai
- School of Pharmacy, Lanzhou University, Lanzhou 730000, China
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14
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Smits MAJ, Schomakers BV, van Weeghel M, Wever EJM, Wüst RCI, Dijk F, Janssens GE, Goddijn M, Mastenbroek S, Houtkooper RH, Hamer G. Human ovarian aging is characterized by oxidative damage and mitochondrial dysfunction. Hum Reprod 2023; 38:2208-2220. [PMID: 37671592 PMCID: PMC10628503 DOI: 10.1093/humrep/dead177] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 08/16/2023] [Indexed: 09/07/2023] Open
Abstract
STUDY QUESTION Are human ovarian aging and the age-related female fertility decline caused by oxidative stress and mitochondrial dysfunction in oocytes? SUMMARY ANSWER We found oxidative damage in oocytes of advanced maternal age, even at the primordial follicle stage, and confirmed mitochondrial dysfunction in such oocytes, which likely resulted in the use of alternative energy sources. WHAT IS KNOWN ALREADY Signs of reactive oxygen species-induced damage and mitochondrial dysfunction have been observed in maturing follicles, and even in early stages of embryogenesis. However, although recent evidence indicates that also primordial follicles have metabolically active mitochondria, it is still often assumed that these follicles avoid oxidative phosphorylation to prevent oxidative damage in dictyate arrested oocytes. Data on the influence of ovarian aging on oocyte metabolism and mitochondrial function are still limited. STUDY DESIGN, SIZE, DURATION A set of 39 formalin-fixed and paraffin-embedded ovarian tissue biopsies were divided into different age groups and used for immunofluorescence analysis of oxidative phosphorylation activity and oxidative damage to proteins, lipids, and DNA. Additionally, 150 immature oocytes (90 germinal vesicle oocytes and 60 metaphase I oocytes) and 15 cumulus cell samples were divided into different age groups and used for targeted metabolomics and lipidomics analysis. PARTICIPANTS/MATERIALS, SETTING, METHODS Ovarian tissues used for immunofluorescence microscopy were collected through PALGA, the nationwide network, and registry of histo- and cytopathology in The Netherlands. Comprehensive metabolomics and lipidomics were performed by liquid-liquid extraction and full-scan mass spectrometry, using oocytes and cumulus cells of women undergoing ICSI treatment based on male or tubal factor infertility, or fertility preservation for non-medical reasons. MAIN RESULTS AND THE ROLE OF CHANCE Immunofluorescence imaging on human ovarian tissue indicated oxidative damage by protein and lipid (per)oxidation already at the primordial follicle stage. Metabolomics and lipidomics analysis of oocytes and cumulus cells in advanced maternal-age groups demonstrated a shift in the glutathione-to-oxiglutathione ratio and depletion of phospholipids. Age-related changes in polar metabolites suggested a decrease in mitochondrial function, as demonstrated by NAD+, purine, and pyrimidine depletion, while glycolysis substrates and glutamine accumulated, with age. Oocytes from women of advanced maternal age appeared to use alternative energy sources like glycolysis and the adenosine salvage pathway, and possibly ATP which showed increased production in cumulus cells. LIMITATIONS, REASONS FOR CAUTION The immature oocytes used in this study were all subjected to ovarian stimulation with high doses of follicle-stimulating hormones, which might have concealed some age-related differences. WIDER IMPLICATIONS OF THE FINDINGS Further studies on how to improve mitochondrial function, or lower oxidative damage, in oocytes from women of advanced maternal age, for instance by supplementation of NAD+ precursors to promote mitochondrial biogenesis, are warranted. In addition, supplementing the embryo medium of advanced maternal-age embryos with such compounds could be a treatment option worth exploring. STUDY FUNDING/COMPETING INTEREST(S) The study was funded by the Amsterdam UMC. The authors declare to have no competing interests. TRIAL REGISTRATION NUMBER N/A.
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Affiliation(s)
- Myrthe A J Smits
- Reproductive Biology Laboratory, Center for Reproductive Medicine, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands
- Amsterdam Reproduction and Development Research Institute, Amsterdam, The Netherlands
| | - Bauke V Schomakers
- Laboratory Genetic Metabolic Diseases, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands
- Core Facility Metabolomics, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Michel van Weeghel
- Laboratory Genetic Metabolic Diseases, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands
- Core Facility Metabolomics, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Eric J M Wever
- Laboratory Genetic Metabolic Diseases, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands
- Core Facility Metabolomics, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Rob C I Wüst
- Laboratory for Myology, Department of Human Movement Sciences, Faculty of Behavioural and Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
- Amsterdam Movement Sciences, Amsterdam, The Netherlands
| | - Frederike Dijk
- Department of Pathology, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Georges E Janssens
- Laboratory Genetic Metabolic Diseases, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands
- Amsterdam Gastroenterology, Endocrinology, and Metabolism, Amsterdam, The Netherlands
| | - Mariëtte Goddijn
- Amsterdam Reproduction and Development Research Institute, Amsterdam, The Netherlands
- Center for Reproductive Medicine, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands
| | - Sebastiaan Mastenbroek
- Reproductive Biology Laboratory, Center for Reproductive Medicine, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands
- Amsterdam Reproduction and Development Research Institute, Amsterdam, The Netherlands
| | - Riekelt H Houtkooper
- Laboratory Genetic Metabolic Diseases, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands
- Amsterdam Gastroenterology, Endocrinology, and Metabolism, Amsterdam, The Netherlands
- Amsterdam Cardiovascular Sciences, Amsterdam, The Netherlands
| | - Geert Hamer
- Reproductive Biology Laboratory, Center for Reproductive Medicine, Amsterdam UMC location University of Amsterdam, Amsterdam, The Netherlands
- Amsterdam Reproduction and Development Research Institute, Amsterdam, The Netherlands
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15
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Naugle KM, Naugle KE, Teegardin M, Kaleth AS. Physical Activity to Prevent the Age-Related Decline of Endogenous Pain Modulation. Exerc Sport Sci Rev 2023; 51:169-175. [PMID: 37462564 DOI: 10.1249/jes.0000000000000325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/09/2023]
Abstract
As humans age, the capacity of the central nervous system to endogenously modulate pain significantly deteriorates, thereby increasing the risk for the development of chronic pain. Older adults are the least physically active cohort of all age groups. We hypothesize that a sedentary lifestyle and decreased physical activity may contribute to the decline of endogenous pain modulation associated with aging.
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Affiliation(s)
- Kelly M Naugle
- Department of Kinesiology, School of Health and Human Sciences, Indiana University Purdue University Indianapolis (IUPUI), Indianapolis, IN
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16
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Korytina GF, Akhmadishina LZ, Markelov VA, Aznabaeva YG, Kochetova OV, Nasibullin TR, Larkina AP, Khusnutdinova NN, Zagidullin NS, Victorova TV. Role of PI3K/AKT/mTOR signaling pathway and sirtuin genes in chronic obstructive pulmonary disease development. Vavilovskii Zhurnal Genet Selektsii 2023; 27:512-521. [PMID: 37867611 PMCID: PMC10587010 DOI: 10.18699/vjgb-23-62] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 04/19/2023] [Accepted: 04/19/2023] [Indexed: 10/24/2023] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is a multifactorial disease of the respiratory system which develops as a result of a complex interaction of genetic and environmental factors closely related to lifestyle. We aimed to assess the combined effect of the PI3K/AKT/mTOR signaling pathway (PIK3R1, AKT1, MTOR, PTEN) and sirtuin (SIRT1, SIRT3, SIRT6) genes to COPD risk. SNPs of SIRT1 (rs3758391, rs3818292), SIRT3 (rs3782116, rs536715), SIRT6 (rs107251), AKT1 (rs2494732), PIK3R1 (rs10515070, rs831125, rs3730089), MTOR (rs2295080, rs2536), PTEN (rs701848, rs2735343) genes were genotyped by real-time polymerase chain reaction (PCR) among 1245 case and control samples. Logistic regression was used to detect the association of SNPs in different models. Linear regression analyses were performed to estimate the relationship between SNPs and lung function parameters and smoking pack-years. Significant associations with COPD were identified for SIRT1 (rs3818292) (P = 0.001, OR = 1.51 for AG), SIRT3 (rs3782116) (P = 0.0055, OR = 0.69) and SIRT3 (rs536715) (P = 0.00001, OR = 0.50) under the dominant model, SIRT6 (rs107251) (P = 0.00001, OR = 0.55 for СT), PIK3R1: (rs10515070 (P = 0.0023, OR = 1.47 for AT), rs831125 (P = 0.00001, OR = 2.28 for AG), rs3730089 (P = 0.0007, OR = 1.73 for GG)), PTEN: (rs701848 (P = 0.0015, OR = 1.35 under the log-additive model), and rs2735343 (P = 0.0001, OR = 1.64 for GC)). A significant genotype-dependent variation of lung function parameters was observed for SIRT1 (rs3818292), SIRT3 (rs3782116), PIK3R1 (rs3730089), and MTOR (rs2536). Gene-gene combinations that remained significantly associated with COPD were obtained; the highest risk of COPD was conferred by a combination of G allele of the PIK3R1 (rs831125) gene and GG of SIRT3 (rs536715) (OR = 3.45). The obtained results of polygenic analysis indicate the interaction of genes encoding sirtuins SIRT3, SIRT2, SIRT6 and PI3KR1, PTEN, MTOR and confirm the functional relationship between sirtuins and the PI3K/AKT/mTOR signaling pathway.
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Affiliation(s)
- G F Korytina
- Institute of Biochemistry and Genetics - Subdivision of the Ufa Federal Research Centre of the Russian Academy of Sciences, Ufa, Russia Bashkir State Medical University, Ufa, Russia
| | - L Z Akhmadishina
- Institute of Biochemistry and Genetics - Subdivision of the Ufa Federal Research Centre of the Russian Academy of Sciences, Ufa, Russia
| | - V A Markelov
- Institute of Biochemistry and Genetics - Subdivision of the Ufa Federal Research Centre of the Russian Academy of Sciences, Ufa, Russia Bashkir State Medical University, Ufa, Russia
| | | | - O V Kochetova
- Institute of Biochemistry and Genetics - Subdivision of the Ufa Federal Research Centre of the Russian Academy of Sciences, Ufa, Russia
| | - T R Nasibullin
- Institute of Biochemistry and Genetics - Subdivision of the Ufa Federal Research Centre of the Russian Academy of Sciences, Ufa, Russia
| | - A P Larkina
- Institute of Biochemistry and Genetics - Subdivision of the Ufa Federal Research Centre of the Russian Academy of Sciences, Ufa, Russia
| | - N N Khusnutdinova
- Institute of Biochemistry and Genetics - Subdivision of the Ufa Federal Research Centre of the Russian Academy of Sciences, Ufa, Russia
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17
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Boccardi V, Pigliautile M, Guazzarini AG, Mecocci P. The Potential of Fasting-Mimicking Diet as a Preventive and Curative Strategy for Alzheimer's Disease. Biomolecules 2023; 13:1133. [PMID: 37509169 PMCID: PMC10377404 DOI: 10.3390/biom13071133] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 07/05/2023] [Accepted: 07/13/2023] [Indexed: 07/30/2023] Open
Abstract
This review examines the potential of fasting-mimicking diets (FMDs) in preventing and treating Alzheimer's disease (AD). FMDs are low-calorie diets that mimic the physiological and metabolic effects of fasting, including the activation of cellular stress response pathways and autophagy. Recent studies have shown that FMDs can reduce amyloid-beta accumulation, tau phosphorylation, and inflammation, as well as improve cognitive function in animal models of AD. Human studies have also reported improvements in AD biomarkers, cognitive functions, and subjective well-being measures following FMDs. However, the optimal duration and frequency of FMDs and their long-term safety and efficacy remain to be determined. Despite these uncertainties, FMDs hold promise as a non-pharmacological approach to AD prevention and treatment, and further research in this area is warranted.
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Affiliation(s)
- Virginia Boccardi
- Department of Medicine and Surgery, Institute of Gerontology and Geriatrics, University of Perugia, Piazzale Gambuli 1, 06132 Perugia, Italy
| | - Martina Pigliautile
- Department of Medicine and Surgery, Institute of Gerontology and Geriatrics, University of Perugia, Piazzale Gambuli 1, 06132 Perugia, Italy
| | - Anna Giulia Guazzarini
- Department of Medicine and Surgery, Institute of Gerontology and Geriatrics, University of Perugia, Piazzale Gambuli 1, 06132 Perugia, Italy
| | - Patrizia Mecocci
- Department of Medicine and Surgery, Institute of Gerontology and Geriatrics, University of Perugia, Piazzale Gambuli 1, 06132 Perugia, Italy
- Division of Clinical Geriatrics, NVS Department, Karolinska Institutet, 17177 Stockholm, Sweden
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18
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Shen HC, Chen ZQ, Chen F, Chen S, Ning LJ, Tian HY, Xu C. DHA alleviates high glucose-induced mitochondrial dysfunction in Oreochromis niloticus by inhibiting DRP1-mediated mitochondrial fission. Int J Biol Macromol 2023; 244:125409. [PMID: 37327936 DOI: 10.1016/j.ijbiomac.2023.125409] [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: 04/01/2023] [Revised: 06/11/2023] [Accepted: 06/13/2023] [Indexed: 06/18/2023]
Abstract
Dynamin-related protein 1 (DRP1) is a key regulator in the maintenance of mammalian glucose homeostasis, but the relevant information remains poorly understood on aquatic animals. In the study, DRP1 is formally described for the first time in Oreochromis niloticus. DRP1 encodes a peptide of 673 amino acid residues that contained three conserved domains: a GTPase domain, a dynamin middle domain and a dynamin GTPase effector domain. DRP1 transcripts are widely distributed in all of the detected seven organs/tissues, and the highest mRNA levels in brain. High-carbohydrate (45 %) fed fish showed a significant upregulation of liver DRP1 expression than that of control (30 %) group. Glucose administration upregulated liver DRP1 expression, with peak values observed at 1 h; then its expression returned to the basal value at 12 h. In the in vitro study, DRP1 over-expression significantly decreased mitochondrial abundance in hepatocytes. DHA significantly increased mitochondrial abundance, transcriptions of mitochondrial transcription factor A (TFAM) and mitofusin 1 and 2 (MFN1 and MFN2) and complex II and III activities of high glucose-treated hepatocyte, whereas the opposite was true for DRP1, mitochondrial fission factor (MFF) and fission (FIS) expression. Together, these findings illustrated that O. niloticus DRP1 is highly conserved, and it participated in glucose control of fish. DHA could alleviate high glucose-induced mitochondrial dysfunction of fish by inhibiting DRP1-mediated mitochondrial fission.
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Affiliation(s)
- Hui-Chao Shen
- College of Marine Sciences, South China Agricultural University, No.483 Wushan Road, Guangzhou 510642, China
| | - Zhi-Qiang Chen
- College of Marine Sciences, South China Agricultural University, No.483 Wushan Road, Guangzhou 510642, China
| | - Fang Chen
- College of Marine Sciences, South China Agricultural University, No.483 Wushan Road, Guangzhou 510642, China
| | - Sen Chen
- College of Marine Sciences, South China Agricultural University, No.483 Wushan Road, Guangzhou 510642, China
| | - Li-Jun Ning
- College of Marine Sciences, South China Agricultural University, No.483 Wushan Road, Guangzhou 510642, China
| | - Hong-Yan Tian
- Yancheng Institute of Technology, School of Marine and Bioengineering, No 211 Jianjun east road, 224000, Jiangsu Province, China
| | - Chao Xu
- College of Marine Sciences, South China Agricultural University, No.483 Wushan Road, Guangzhou 510642, China; Key Laboratory of Aquaculture Nutrition and Feed, Ministry of Agriculture and Rural Affairs, Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, 5 Yushan Road, Qingdao, Shandong 266003, China.
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19
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Meyer TA, Swindell WR, Chaudhuri RK. Acetyl Zingerone: A Photostable Multifunctional Skincare Ingredient That Combats Features of Intrinsic and Extrinsic Skin Aging. Antioxidants (Basel) 2023; 12:1168. [PMID: 37371898 DOI: 10.3390/antiox12061168] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Revised: 05/26/2023] [Accepted: 05/26/2023] [Indexed: 06/29/2023] Open
Abstract
The cumulative damage skin sustains from exposure to environmental stressors throughout life exerts significant effects on skin aging and cancer development. One of the main ways by which environmental stressors mediate their effects within skin is through induction of reactive oxygen species (ROS). In this review, we chronicle the multiple properties by which acetyl zingerone (AZ) as a skincare ingredient can benefit skin (1) by helping manage overproduction of ROS through multiple routes as an antioxidant, physical quencher and selective chelator, (2) by fortifying protection after UV exposure ends to prevent the type of epidermal DNA damage that correlates with development of skin cancer, (3) by modulating matrisome activity and nurturing the integrity of the extracellular matrix (ECM) within the dermis and (4) through its proficient ability to neutralize singlet oxygen, by stabilizing the ascorbic acid precursor tetrahexyldecyl ascorbate (THDC) in the dermal microenvironment. This activity improves THDC bioavailability and may blunt pro-inflammatory effects of THDC, such as activation of type I interferon signaling. Moreover, AZ is photostable and can sustain its properties during UV exposure, in contrast to α-tocopherol. All these properties of AZ translate into measurable clinical benefits to improve the visual appearance of photoaged facial skin and to strengthen the skin's own defenses against sun damage.
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Affiliation(s)
| | - William R Swindell
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
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20
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Zhao W, Kong L, Guan W, Liu J, Cui H, Cai M, Fang B, Liu X. Yeast UPS1 deficiency leads to UVC radiation sensitivity and shortened lifespan. Antonie Van Leeuwenhoek 2023:10.1007/s10482-023-01847-8. [PMID: 37222845 DOI: 10.1007/s10482-023-01847-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Accepted: 05/16/2023] [Indexed: 05/25/2023]
Abstract
UPS1/YLR193C of Saccharomyces cerevisiae (S. cerevisiae) encodes a mitochondrial intermembrane space protein. A previous study found that Ups1p is needed for normal mitochondrial morphology and that UPS1 deficiency disrupts the intramitochondrial transport of phosphatidic acid in yeast cells and leads to an altered unfolded protein response and mTORC1 signaling activation. In this paper, we first provide evidence showing that the UPS1 gene is involved in the UVC-induced DNA damage response and aging. We show that UPS1 deficiency leads to sensitivity to ultraviolet C (UVC) radiation and that this effect is accompanied by elevated DNA damage, increased intracellular ROS levels, abnormal mitochondrial respiratory function, an increased early apoptosis rate, and shortened replicative lifespan and chronological lifespan. Moreover, we show that overexpression of the DNA damage-induced checkpoint gene RAD9 effectively eliminates the senescence-related defects observed in the UPS1-deficient strain. Collectively, these results suggest a novel role for UPS1 in the UVC-induced DNA damage response and aging.
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Affiliation(s)
- Wei Zhao
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Institute of Aging Research, Guangdong Medical University, Dongguan, 523808, China
- School of Medical Technology, Guangdong Medical University, Dongguan, China
| | - Lingyue Kong
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Institute of Aging Research, Guangdong Medical University, Dongguan, 523808, China
- School of Medical Technology, Guangdong Medical University, Dongguan, China
| | - Wenbin Guan
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Institute of Aging Research, Guangdong Medical University, Dongguan, 523808, China
- School of Medical Technology, Guangdong Medical University, Dongguan, China
| | - Jiaxin Liu
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Institute of Aging Research, Guangdong Medical University, Dongguan, 523808, China
- School of Medical Technology, Guangdong Medical University, Dongguan, China
| | - Hongjing Cui
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Institute of Aging Research, Guangdong Medical University, Dongguan, 523808, China
- School of Medical Technology, Guangdong Medical University, Dongguan, China
| | - Mianshan Cai
- Precision Medicine Centre, Department of Pediatrics, Puning People's Hospital, Puning, 515300, Guangdong, China
| | - Bingxiong Fang
- Precision Medicine Centre, Department of Pediatrics, Puning People's Hospital, Puning, 515300, Guangdong, China.
| | - Xinguang Liu
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Institute of Aging Research, Guangdong Medical University, Dongguan, 523808, China.
- School of Medical Technology, Guangdong Medical University, Dongguan, China.
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21
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Mitophagy and Traumatic Brain Injury: Regulatory Mechanisms and Therapeutic Potentials. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2023; 2023:1649842. [PMID: 36846712 PMCID: PMC9957633 DOI: 10.1155/2023/1649842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 12/25/2022] [Accepted: 01/21/2023] [Indexed: 02/19/2023]
Abstract
Traumatic brain injury (TBI), a kind of external trauma-induced brain function alteration, has posed a financial burden on the public health system. TBI pathogenesis involves a complicated set of events, including primary and secondary injuries that can cause mitochondrial damage. Mitophagy, a process in which defective mitochondria are specifically degraded, segregates and degrades defective mitochondria allowing a healthier mitochondrial network. Mitophagy ensures that mitochondria remain healthy during TBI, determining whether neurons live or die. Mitophagy acts as a critical regulator in maintaining neuronal survival and healthy. This review will discuss the TBI pathophysiology and the consequences of the damage it causes to mitochondria. This review article will explore the mitophagy process, its key factors, and pathways and reveal the role of mitophagy in TBI. Mitophagy will be further recognized as a therapeutic approach in TBI. This review will offer new insights into mitophagy's role in TBI progression.
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22
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Implication of Cellular Senescence in Osteoarthritis: A Study on Equine Synovial Fluid Mesenchymal Stromal Cells. Int J Mol Sci 2023; 24:ijms24043109. [PMID: 36834521 PMCID: PMC9967174 DOI: 10.3390/ijms24043109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 01/29/2023] [Accepted: 02/02/2023] [Indexed: 02/08/2023] Open
Abstract
Osteoarthritis (OA) is described as a chronic degenerative disease characterized by the loss of articular cartilage. Senescence is a natural cellular response to stressors. Beneficial in certain conditions, the accumulation of senescent cells has been implicated in the pathophysiology of many diseases associated with aging. Recently, it has been demonstrated that mesenchymal stem/stromal cells isolated from OA patients contain many senescent cells that inhibit cartilage regeneration. However, the link between cellular senescence in MSCs and OA progression is still debated. In this study, we aim to characterize and compare synovial fluid MSCs (sf-MSCs), isolated from OA joints, with healthy sf-MSCs, investigating the senescence hallmarks and how this state could affect cartilage repair. Sf-MSCs were isolated from tibiotarsal joints of healthy and diseased horses with an established diagnosis of OA with an age ranging from 8 to 14 years. Cells were cultured in vitro and characterized for cell proliferation assay, cell cycle analysis, ROS detection assay, ultrastructure analysis, and the expression of senescent markers. To evaluate the influence of senescence on chondrogenic differentiation, OA sf-MSCs were stimulated in vitro for up to 21 days with chondrogenic factors, and the expression of chondrogenic markers was compared with healthy sf-MSCs. Our findings demonstrated the presence of senescent sf-MSCs in OA joints with impaired chondrogenic differentiation abilities, which could have a potential influence on OA progression.
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23
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Xi J, Chen Y, Jing J, Qi W, Zhang Y. LncRNA LINC01197 inhibited the formation of calcium oxalate-induced kidney stones by regulating miR-516b-5p/SIRT3/FOXO1 signaling pathway. Cell Tissue Res 2023; 392:553-563. [PMID: 36688989 DOI: 10.1007/s00441-022-03734-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 12/21/2022] [Indexed: 01/24/2023]
Abstract
Long non-coding RNA (lncRNA) plays a key role in the regulation of calcium oxalate (CaOx) crystals-induced kidney stone formation and deposition. The purpose of this study is to study the effect of lncRNA LINC01197 on CaOx-induced kidney stone formation and the underlying mechanism. Crystal cell adhesion in HK-2 cells was evaluated by analyzing Ca2+ concentration. Apoptosis was detected by flow cytometry. The RT-qPCR and western blot were used to detect the mRNA and protein expression. Patients with kidneys stones showed down-regulated LINC01197 and SIRT3 expression, and up-regulated miR-516b-5p expression. LINC01197 knockdown promoted CaOx-induced cell adherence and cell apoptosis, increased Bax, decreased Bcl-2 expression. Luciferase reporter assay showed that SIRT3 expression was promoted by LINC01197 competing binds to miR-516b-5p. In addition, LINC01197 expression was promoted by SIRT3/FOXO1 overexpression, and could be reversed by FOXO1 knockdown. In conclusion, the present study revealed that lncRNA LINC01197 inhibited CaOx-induced kidney stones formation by regulating the miR-516b-5p/SIRT3/FOXO1 signaling pathway.
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Affiliation(s)
- Junhua Xi
- Department of Urology, The Second People's Hospital of Hefei (Hefei Hospital Affiliated to Anhui Medical University), No. 246 Heping Road, Hefei, 230011, Anhui, China.,The Fifth School of Clinical Medical of Anhui Medical University, Hefei, 230011, Anhui, China
| | - Yang Chen
- Institute of Urology, Anhui Medical University, Hefei, 230032, Anhui, China
| | - Junfeng Jing
- Department of Urology, The Second People's Hospital of Hefei (Hefei Hospital Affiliated to Anhui Medical University), No. 246 Heping Road, Hefei, 230011, Anhui, China.,The Fifth School of Clinical Medical of Anhui Medical University, Hefei, 230011, Anhui, China
| | - Wei Qi
- Department of Urology, The Second People's Hospital of Hefei (Hefei Hospital Affiliated to Anhui Medical University), No. 246 Heping Road, Hefei, 230011, Anhui, China.,The Fifth School of Clinical Medical of Anhui Medical University, Hefei, 230011, Anhui, China
| | - Yanbing Zhang
- Department of Urology, The Second People's Hospital of Hefei (Hefei Hospital Affiliated to Anhui Medical University), No. 246 Heping Road, Hefei, 230011, Anhui, China. .,The Fifth School of Clinical Medical of Anhui Medical University, Hefei, 230011, Anhui, China.
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24
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Kaur H, Singh A, Kaur K, Kumar A, Attri S, Rashid F, Singh S, Bedi N, Tuli HS, Haque S, Alkuwaity K, Tashkandi HM, Harakeh S, Arora S. 4-methylthiobutyl isothiocyanate synergize the antiproliferative and pro-apoptotic effects of paclitaxel in human breast cancer cells. Biotechnol Genet Eng Rev 2023:1-25. [PMID: 36683273 DOI: 10.1080/02648725.2022.2162232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 12/16/2022] [Indexed: 01/24/2023]
Abstract
Multidrug resistance (MDR) is considered as a major obstacle in achieving an effective treatment of breast cancer. Paclitaxel has been used to treat cancers of the cervical, breast, ovarian and brain but MDR limits its therapeutic potential. Phytochemicals have received much interest in recent decades especially in combination approaches to tackle MDR due to their negligible harm to healthy cells and synergistic potential. Considering this notion, the present study aimed at investigating the synergistic activity of 4-MTBITC and PTX against a panel of breast cancer cells. Our results revealed that the combination had a significant antiproliferative activity against T-47D cells. Mechanistic studies revealed that 4-MTBITC and PTX also promoted the production of reactive oxygen species (ROS) and reduced mitochondrial membrane potential. In the presence of 4-MTBITC- PTX, T-47D cells were found to be arrested in the G2/M phase which also confirmed the enhancement of late apoptotic cell population in the flow cytometer analysis. In western blot experiment, the combination had a significant decrease in Bcl-xl protein level, whereas a higher level of p53, cleaved caspase-3, and cleaved caspase-9 proteins compared to individual treatment in T-47D cells. The RT-qPCR analysis also showed that the combination had significant upregulation in the gene expression of p53, cytochrome-c, Apaf-1 and downregulation in the expression of Bcl-2 gene in T-47D cells. Hence, all the results showed that a combination of 4-MTBITC-PTX significantly enhanced the apoptosis pathway in the T-47D cell line which indicates its clinical application for the treatment of breast cancer.Abbreviations: Apaf-1: Apoptotic protease activating factor 1; AO/EB: Acridine orange/ethidium bromide; Bcl-2: B-cell lymphoma 2; CI: Combination Index; Cyt-c: Cytochrome c; CO2: Carbon dioxide; DCFH-DA 2,7-Dichloroflourescein diacetate; DMEM: Dulbecco's modified Eagle's medium; ELISA: Enzyme-linked immunosorbent assay; EA: Early apoptosis; EDTA: Ethylenediaminetetraacetic acid; L929: Normal mouse fibroblast cells; LA: Late apoptosis; L: Live; 4-MTBITC: 4-methylthiobutyl isothiocyanate; MCF-7: Human breast cancer cells; MDA-MB-231: Human triple negative breast cancer cells; MMP: Mitochondria membrane potential; MTT: 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenylte-trazolium bromide; NCCS: National Centre for Cell Science; N: Necrotic; PTX Paclitaxel; PVDF: Polyvinylidene fluoride; PAGE: Polyacrylamide gel electrophoresis; PBS: Phosphate-buffered saline; RPMI-1640: Roswell Park Memorial Institute Medium- 1640; RT-qPCR: Quantitative real-time polymerase chain reaction; ROS: Reactive oxygen species; Rh-123: Rhodamine123; g Relative centrifugal force; SDS: Sodium dodecyl sulphate; SEM: Scanning electron microscopy; T-47D: Human estrogen positive breast cancer cells; WB: Western blotting.
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Affiliation(s)
- Harneetpal Kaur
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Atamjit Singh
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Kirandeep Kaur
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Ajay Kumar
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Shivani Attri
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Farhana Rashid
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Sharabjit Singh
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Neena Bedi
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Hardeep Singh Tuli
- Department of Biotechnology, Maharishi Markandeshwar Engineering College, Maharishi Markandeshwar (Deemed to be University), Mullana-Ambala, Haryana, India
| | - Shafiul Haque
- Research and Scientific Studies Unit, College of Nursing and Allied Health Sciences, Jazan University, Jazan, Saudi Arabia
- Centre of Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman, United Arab Emirates
| | - Khalil Alkuwaity
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Hanaa M Tashkandi
- Department of General Surgery, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Steve Harakeh
- King Fahd Medical Research Center and Yousef Abdullatif Jameel Chair of Prophetic Medicine Application, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Saroj Arora
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, Punjab, India
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25
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Artemisinin Alleviates Cerebral Ischemia/Reperfusion-Induced Oxidative Damage via Regulating PHB2-Mediated Autophagy in the Human Neuroblastoma SH-SY5Y Cell Line. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:6568748. [PMID: 36567858 PMCID: PMC9780004 DOI: 10.1155/2022/6568748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 10/15/2022] [Accepted: 11/19/2022] [Indexed: 12/23/2022]
Abstract
Oxidative stress plays a key role in cerebral ischemia/reperfusion injury. Artemisinin (ART) has antioxidative stress activity in addition to its powerful antimalarial effects. In this article, we investigated the effect of ART on OGD/R-induced oxidative stress injury and its underlying mechanisms. We used oxygen-glucose deprivation/reoxygenation (OGD/R) to establish an in vitro model of cerebral ischemia/reperfusion (I/R) injury. CCK-8 and lactate dehydrogenase (LDH) release were used to assess cellular damage. Measurement of reactive oxygen species (ROS), malondialdehyde (MDA), superoxide dismutase (SOD), glutathione (GSH), and mitochondrial membrane potential (MMP) estimates oxidative stress-induced damage and protection from ART effect. OGD/R treatment aggravated oxidative stress damage, whereas ART reversed the effects of OGD/R. Autophagy is closely related to oxidative stress; in order to confirm whether the antioxidative stress effect of ART is related to PHB2-mediated autophagy, we examined the protein expression of prohibitin 2 (PHB2), TOMM20, p62, and the conversion of microtubule-associated protein light chain 3I (LC3I) to LC3II and found that the protein expression of PHB2, TOMM20, p62, and LC3II/LC3I was significantly correlated with OGD/R treatment. The colocalization of PHB2 and LC3, TOMM20, and LC3 was reduced after OGD/R treatment, and ART reversed this change. After silencing PHB2, the protective effect of ART against OGD/R-induced oxidative stress injury was reduced, the protein expressions of PHB2, TOMM20 and LC3II/LC3I and the colocalization of PHB2 and LC3, TOMM20, and LC3 were decreased. We used chloroquine to block the lysosomal pathway and found that ART increased the conversion of LC3I to LC3II, silencing PHB2 which inhibited the conversion of LC3I to LC3II, and impaired mitophagy. Our findings showed that ART attenuated OGD/R-induced oxidative stress damage through PHB2-mediated mitophagy. To the current knowledge, our study is the first to demonstrate that ART attenuates OGD/R-induced oxidative stress injury through PHB2-mediated autophagy in the human neuroblastoma SH-SY5Y cell line, which provided new insights into the treatment of OGD/R injury.
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Morris G, Gevezova M, Sarafian V, Maes M. Redox regulation of the immune response. Cell Mol Immunol 2022; 19:1079-1101. [PMID: 36056148 PMCID: PMC9508259 DOI: 10.1038/s41423-022-00902-0] [Citation(s) in RCA: 129] [Impact Index Per Article: 64.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 06/29/2022] [Indexed: 12/20/2022] Open
Abstract
AbstractThe immune-inflammatory response is associated with increased nitro-oxidative stress. The aim of this mechanistic review is to examine: (a) the role of redox-sensitive transcription factors and enzymes, ROS/RNS production, and the activity of cellular antioxidants in the activation and performance of macrophages, dendritic cells, neutrophils, T-cells, B-cells, and natural killer cells; (b) the involvement of high-density lipoprotein (HDL), apolipoprotein A1 (ApoA1), paraoxonase-1 (PON1), and oxidized phospholipids in regulating the immune response; and (c) the detrimental effects of hypernitrosylation and chronic nitro-oxidative stress on the immune response. The redox changes during immune-inflammatory responses are orchestrated by the actions of nuclear factor-κB, HIF1α, the mechanistic target of rapamycin, the phosphatidylinositol 3-kinase/protein kinase B signaling pathway, mitogen-activated protein kinases, 5' AMP-activated protein kinase, and peroxisome proliferator-activated receptor. The performance and survival of individual immune cells is under redox control and depends on intracellular and extracellular levels of ROS/RNS. They are heavily influenced by cellular antioxidants including the glutathione and thioredoxin systems, nuclear factor erythroid 2-related factor 2, and the HDL/ApoA1/PON1 complex. Chronic nitro-oxidative stress and hypernitrosylation inhibit the activity of those antioxidant systems, the tricarboxylic acid cycle, mitochondrial functions, and the metabolism of immune cells. In conclusion, redox-associated mechanisms modulate metabolic reprogramming of immune cells, macrophage and T helper cell polarization, phagocytosis, production of pro- versus anti-inflammatory cytokines, immune training and tolerance, chemotaxis, pathogen sensing, antiviral and antibacterial effects, Toll-like receptor activity, and endotoxin tolerance.
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27
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Tian Q, Wang J, Cui L, Zeng W, Qiu G, Hu Q, Peng A, Zhang D, Shen L. Longitudinal physiological and transcriptomic analyses reveal the short term and long term response of Synechocystis sp. PCC6803 to cadmium stress. CHEMOSPHERE 2022; 303:134727. [PMID: 35513082 DOI: 10.1016/j.chemosphere.2022.134727] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 04/21/2022] [Accepted: 04/22/2022] [Indexed: 06/14/2023]
Abstract
Due to the bioaccumulation and non-biodegradability of cadmium, Cd can pose a serious threat to ecosystem even at low concentration. Microalgae is widely distributed photosynthetic organisms in nature, which is a promising heavy metal remover and an effective industrial sewage cleaner. However, there are few detailed reports on the short-term and long-term molecular mechanisms of microalgae under Cd stress. In this study, the adsorption behavior (growth curve, Cd removal efficiency, scanning electron microscope, Fourier transform infrared spectroscopy, and dynamic change of extracellular polymeric substances), cytotoxicity (photosynthetic pigment, MDA, GSH, H2O2, O2-) and stress response mechanism of microalgae were discussed under EC50. RNA-seq detected 1413 DEGs in 4 treatment groups. These genes were related to ribosome, nitrogen metabolism, sulfur transporter, and photosynthesis, and which been proved to be Cd-responsive DEGs. WGCNA (weighted gene co-expression network analysis) revealed two main gene expression patterns, short-term stress (381 genes) and long-term stress (364 genes). The enrichment analysis of DEGs showed that the expression of genes involved in N metabolism, sulfur transporter, and aminoacyl-tRNA biosynthesis were significantly up-regulated. This provided raw material for the synthesis of the important component (cysteine) of metal chelate protein, resistant metalloprotein and transporter (ABC transporter) in the initial stage, which was also the short-term response mechanism. Cd adsorption of the first 15 min was primary dependent on membrane transporter and beforehand accumulated EPS. Simultaneously, the up-regulated glutathione S-transferase (GSTs) family proteins played a role in the initial resistance to exogenous Cd. The damaged photosynthetic system was repaired at the later stage, the expressions of glycolysis and gluconeogenesis were up-regulated, to meet the energy and substances of physiological metabolic activities. The study is the first to provide detailed short-term and long-term genomic information on microalgae responding to Cd stress. Meanwhile, the key genes in this study can be used as potential targets for algae-mediated genetic engineering.
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Affiliation(s)
- Qinghua Tian
- School of Metallurgy and Environment, Central South University, Changsha, Hunan, 410083, China
| | - Junjun Wang
- School of Metallurgy and Environment, Central South University, Changsha, Hunan, 410083, China
| | - Linlin Cui
- School of Minerals Processing and Bioengineering, Central South University, Changsha, Hunan, 410083, China
| | - Weimin Zeng
- School of Minerals Processing and Bioengineering, Central South University, Changsha, Hunan, 410083, China
| | - Guanzhou Qiu
- School of Minerals Processing and Bioengineering, Central South University, Changsha, Hunan, 410083, China
| | - Qi Hu
- Department of Bioinformatics Center, NEOMICS Institute, Shenzhen, Guangdong, 518118, China
| | - Anan Peng
- School of Environmental and Chemical Engineering, Foshan University, Foshan, 528000, China
| | - Du Zhang
- Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, 518000, China.
| | - Li Shen
- School of Minerals Processing and Bioengineering, Central South University, Changsha, Hunan, 410083, China.
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Aging hampers neutrophil extracellular traps (NETs) efficacy. Aging Clin Exp Res 2022; 34:2345-2353. [PMID: 35920993 PMCID: PMC9637667 DOI: 10.1007/s40520-022-02201-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 07/17/2022] [Indexed: 11/16/2022]
Abstract
Background NETosis is a neutrophil-mediated defense mechanism during which DNA and enzymes are extruded forming a network (NETs) trapping and killing different pathogens. NETosis is reduced in both mice and humans during aging. Aims We explored the difference in the efficacy of NETs released in elderly (> 65 years) versus adults (20–50 years) subjects in inhibiting Staphylococcus aureus growth and activating the growth of keratinocytes. Methods Neutrophil granulocytes, obtained from venous blood both in healthy elderly and adult subjects, were stimulated by LPS (0–250 µg/ml) to induce the formation of NET. NETs were quantified by SYBR Green staining and growth inhibition of S. aureus was evaluated by disk diffusion test. Furthermore, NETs (0–500 ng/ml) were added to immortalized human keratinocytes (HaCaT cells), and their proliferation was evaluated by MTT assay after 24 h. Finally, the DNA size of NETs was evaluated by flow cytometry after SYBR Green staining. Results Greater production of NETs was observed in elderly subjects than in adults, but these NETs showed reduced bactericidal capacity and HaCaT cells’ proliferation stimulation. The activities of the NETs are related to the size of the extruded DNA threads, and when NETs size was analyzed, DNA from elderly showed a higher size compared to that obtained by adults. Discussion Unexpected results showed aging-related NETs structural modification resulting in both a lower antimicrobial activity and keratinocyte proliferation stimulation compared to NETs obtained from adults. Conclusions The NETs DNA size observed in elderly subjects has not been previously reported and could be part of other pathogenic mechanisms observed in aging.
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Meng X, Yin K, Zhang Y, Wang D, Lu H, Hou L, Zhao H, Xing M. Polystyrene microplastics induced oxidative stress, inflammation and necroptosis via NF-κB and RIP1/RIP3/MLKL pathway in chicken kidney. Toxicology 2022; 478:153296. [PMID: 36029908 DOI: 10.1016/j.tox.2022.153296] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 08/16/2022] [Accepted: 08/21/2022] [Indexed: 11/26/2022]
Abstract
Microplastics (MPs) are a novel environment pollutant widespread among the natural environment, also causing damage to aquatic animals and mammals. However, their effects on the kidney of poultry are still unclear. In this study, chickens were exposure to the different doses of PS-MPs (1, 10, 100 mg/L) for six weeks, with 1 mg/L being the environmental concentration. The effects of PS-MPs on renal tissue damage in chicken were analyzed. Our results suggested that MPs exposure causes mitochondrial morphology and dysbiosis (MFN1/2, OPA1, Drp1), mitochondrial structural damage by triggering imbalance in mitochondrial dynamics. Antioxidant enzyme (SOD, CAT, MDA, GSH, T-AOC) activity was significantly altered, which in turn caused oxidative stress. H&E staining results showed damage and inflammation of chicken kidney. Mechanistically, the inflammation featured by activated NF-κB P65 and increased expression of pro-inflammatory factors (TNFα, iNOs, IL-1β and IL-6). Moreover, PS-MPs intake induced necroptosis through activated RIP1/RIP3/MLKL signaling pathway. In conclusion, our study was the first to show that oral intake of PS-MPs induced inflammation and necroptosis in chicken kidney and the differences in damage were linked to the concentration of PS-MPs. The purpose of this study provided theoretical support for the environmental risk assessment of PS-MPs.
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Affiliation(s)
- Xin Meng
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin 150040, Heilongjiang, PR China
| | - Kai Yin
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin 150040, Heilongjiang, PR China
| | - Yue Zhang
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin 150040, Heilongjiang, PR China
| | - Dongxu Wang
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin 150040, Heilongjiang, PR China
| | - Hongmin Lu
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin 150040, Heilongjiang, PR China
| | - Lulu Hou
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin 150040, Heilongjiang, PR China
| | - Hongjing Zhao
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin 150040, Heilongjiang, PR China.
| | - Mingwei Xing
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin 150040, Heilongjiang, PR China.
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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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Taylor E, Kim Y, Zhang K, Chau L, Nguyen BC, Rayalam S, Wang X. Antiaging Mechanism of Natural Compounds: Effects on Autophagy and Oxidative Stress. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27144396. [PMID: 35889266 PMCID: PMC9322024 DOI: 10.3390/molecules27144396] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 07/03/2022] [Accepted: 07/06/2022] [Indexed: 12/22/2022]
Abstract
Aging is a natural biological process that manifests as the progressive loss of function in cells, tissues, and organs. Because mechanisms that are meant to promote cellular longevity tend to decrease in effectiveness with age, it is no surprise that aging presents as a major risk factor for many diseases such as cardiovascular disease, neurodegenerative disorders, cancer, and diabetes. Oxidative stress, an imbalance between the intracellular antioxidant and overproduction of reactive oxygen species, is known to promote the aging process. Autophagy, a major pathway for protein turnover, is considered as one of the hallmarks of aging. Given the progressive physiologic degeneration and increased risk for disease that accompanies aging, many studies have attempted to discover new compounds that may aid in the reversal of the aging process. Here, we summarize the antiaging mechanism of natural or naturally derived synthetic compounds involving oxidative stress and autophagy. These compounds include: 2-cyano-3,12-dioxoolean-1,9-dien-28-oic acid (CDDO) derivatives (synthetic triterpenoids derived from naturally occurring oleanolic acid), caffeic acid phenethyl ester (CAPE, the active ingredient in honey bee propolis), xanthohumol (a prenylated flavonoid identified in the hops plant), guggulsterone (a plant steroid found in the resin of the guggul plant), resveratrol (a natural phenol abundantly found in grape), and sulforaphane (a sulfur-containing compound found in cruciferous vegetables).
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Affiliation(s)
- Elizabeth Taylor
- DeBusk College of Osteopathic Medicine, Lincoln Memorial University, Harrogate, TN 37752, USA;
| | - Yujin Kim
- Department of Pharmaceutical Sciences, College of Pharmacy, Philadelphia College of Osteopathic Medicine-Georgia Campus, Suwanee, GA 30024, USA; (Y.K.); (K.Z.); (L.C.); (B.C.N.); (S.R.)
| | - Kaleb Zhang
- Department of Pharmaceutical Sciences, College of Pharmacy, Philadelphia College of Osteopathic Medicine-Georgia Campus, Suwanee, GA 30024, USA; (Y.K.); (K.Z.); (L.C.); (B.C.N.); (S.R.)
| | - Lenne Chau
- Department of Pharmaceutical Sciences, College of Pharmacy, Philadelphia College of Osteopathic Medicine-Georgia Campus, Suwanee, GA 30024, USA; (Y.K.); (K.Z.); (L.C.); (B.C.N.); (S.R.)
| | - Bao Chieu Nguyen
- Department of Pharmaceutical Sciences, College of Pharmacy, Philadelphia College of Osteopathic Medicine-Georgia Campus, Suwanee, GA 30024, USA; (Y.K.); (K.Z.); (L.C.); (B.C.N.); (S.R.)
| | - Srujana Rayalam
- Department of Pharmaceutical Sciences, College of Pharmacy, Philadelphia College of Osteopathic Medicine-Georgia Campus, Suwanee, GA 30024, USA; (Y.K.); (K.Z.); (L.C.); (B.C.N.); (S.R.)
| | - Xinyu Wang
- Department of Pharmaceutical Sciences, College of Pharmacy, Philadelphia College of Osteopathic Medicine-Georgia Campus, Suwanee, GA 30024, USA; (Y.K.); (K.Z.); (L.C.); (B.C.N.); (S.R.)
- Correspondence:
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Thomson S, Chan YL, Yi C, Wang B, Machaalani R, Oliver B, Gorrie CA, Chen H. The impact of high fat consumption on neurological functions following a traumatic brain injury in rats. J Neurotrauma 2022; 39:1547-1560. [PMID: 35658673 DOI: 10.1089/neu.2022.0080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Traumatic brain injury (TBI) and obesity are two common conditions in modern society; both can impair neuronal integrity and neurological function. However, it is unclear whether the co-existence of both conditions will worsen outcomes. Thus, in a rat model, we aimed to investigate whether the co-existence of TBI and a high-fat diet (HFD) has an additive effect, leading to more severe neurological impairments, and whether they are related to changes in brain protein markers of oxidative stress, inflammation and synaptic plasticity. Sprague-Dawley rats (female, ~250g) were divided into HFD (43% fat) and chow diet (CD, 17% fat) groups for 6 weeks. Within each dietary group, half underwent a TBI by a weight-drop device, and the other half underwent sham surgery. Short-term memory and sensory function were measured at 24 hours, 1 week, 3 weeks and 6 weeks post-TBI. Brain tissues were harvested at 24 hours and 6 weeks post-TBI and markers of oxidative stress, apoptosis, inflammation, and synaptic plasticity were measured via immunostaining and western blotting. In rats without TBI, HFD increased the presynaptic protein synaptophysin. In rats with TBI, HFD resulted in worsened sensory and memory function, an increase in activated macrophages, and a decrease in the endogenous antioxidant manganese superoxide dismutase. Our findings suggest that the additive effect of HFD and TBI worsens short term memory and sensation deficits, and may be driven by enhanced oxidative stress and inflammation.
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Affiliation(s)
- Shannon Thomson
- University of Technology Sydney, 1994, School of Life Sciences, Faculty of Science , Sydney, New South Wales, Australia;
| | - Yik Lung Chan
- University of Technology Sydney, 1994, School of Life Sciences, Faculty of Science , Sydney, New South Wales, Australia;
| | - Chenju Yi
- The Seventh Affiliated Hospital Sun Yat-sen University, 543160, 628 Zhenyuan Road, Guangming 518107 Shenzhen China, Shenzhen, China, 518107;
| | - Baoming Wang
- University of Technology Sydney, 1994, School of Life Sciences, Faculty of Science , Sydney, New South Wales, Australia;
| | - Rita Machaalani
- University of Technology Sydney, 1994, Faculty of Medicine and Health, Sydney, New South Wales, Australia;
| | - Brian Oliver
- University of Technology Sydney, School of Life Sciences, Faculty of Science, Sydney, New South Wales, Australia.,The University of Sydney, RCMB, Woolcock Institute of Medical Research, Sydney, New South Wales, Australia;
| | - Catherine A Gorrie
- University of Technology Sydney, School of Life Sciences, Faculty of Science, PO Box 123, Broadway, Sydney, New South Wales, Australia, 2007;
| | - Hui Chen
- University of Technology Sydney, School of Life Sciences, Faculty of Science, Sydney, Australia;
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Genistein, a tool for geroscience. Mech Ageing Dev 2022; 204:111665. [DOI: 10.1016/j.mad.2022.111665] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 03/04/2022] [Accepted: 03/15/2022] [Indexed: 12/12/2022]
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Chung I, Park HA, Kang J, Kim H, Hah SM, Lee J, Kim HS, Choi WS, Chung JH, Shin MJ. Neuroprotective effects of ATPase inhibitory factor 1 preventing mitochondrial dysfunction in Parkinson's disease. Sci Rep 2022; 12:3874. [PMID: 35264673 PMCID: PMC8907304 DOI: 10.1038/s41598-022-07851-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 02/08/2022] [Indexed: 12/20/2022] Open
Abstract
Mitochondrial dysfunction is a key element in the progression of Parkinson’s disease (PD). The inefficient operation of the electron transport chain (ETC) impairs energy production and enhances the generation of oxidative stress contributing to the loss of dopaminergic cells in the brain. ATPase inhibitory factor 1 (IF1) is a regulator of mitochondrial energy metabolism. IF1 binds directly to the F1Fo ATP synthase and prevents ATP wasting during compromised energy metabolism. In this study, we found treatment with IF1 protects mitochondria against PD-like insult in vitro. SH-SY5Y cells treated with IF1 were resistant to loss of ATP and mitochondrial inner membrane potential during challenge with rotenone, an inhibitor of complex I in the ETC. We further demonstrated that treatment with IF1 reversed rotenone-induced superoxide production in mitochondria and peroxide accumulation in whole cells. Ultimately, IF1 decreased protein levels of pro-apoptotic Bax, cleaved caspase-3, and cleaved PARP, rescuing SH-SY5Y cells from rotenone-mediated apoptotic death. Administration of IF1 significantly improved the results of pole and hanging tests performed by PD mice expressing human α-synuclein. This indicates that IF1 mitigates PD-associated motor deficit. Together, these findings suggest that IF1 exhibits a neuroprotective effect preventing mitochondrial dysfunction in PD pathology.
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Affiliation(s)
- InHyeok Chung
- Interdisciplinary Program in Precision Public Health, Korea University, Seoul, Republic of Korea.,Department of Integrated Biomedical and Life Science, Korea University, Seoul, Republic of Korea.,Biotechnology Research Center, MediandGene Inc., Seoul, Republic of Korea
| | - Han-A Park
- Department of Human Nutrition and Hospitality Management, College of Human Environmental Sciences, The University of Alabama, Tuscaloosa, USA
| | - Jun Kang
- Department of Biotechnology, CHA University, Pocheon, Republic of Korea
| | - Heyyoung Kim
- School of Biological Sciences and Technology, College of Natural Sciences, Chonnam National University, Gwangju, Republic of Korea
| | - Su Min Hah
- Interdisciplinary Program in Precision Public Health, Korea University, Seoul, Republic of Korea.,Department of Integrated Biomedical and Life Science, Korea University, Seoul, Republic of Korea
| | - Juhee Lee
- Interdisciplinary Program in Precision Public Health, Korea University, Seoul, Republic of Korea.,Department of Integrated Biomedical and Life Science, Korea University, Seoul, Republic of Korea
| | - Hyeon Soo Kim
- Department of Anatomy, Korea University College of Medicine, Seoul, Republic of Korea
| | - Won-Seok Choi
- School of Biological Sciences and Technology, College of Natural Sciences, Chonnam National University, Gwangju, Republic of Korea.
| | - Ji Hyung Chung
- Department of Biotechnology, CHA University, Pocheon, Republic of Korea
| | - Min-Jeong Shin
- Interdisciplinary Program in Precision Public Health, Korea University, Seoul, Republic of Korea. .,Department of Integrated Biomedical and Life Science, Korea University, Seoul, Republic of Korea. .,School of Biosystems and Biomedical Sciences, College of Health Science, Korea University, Seoul, Republic of Korea.
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35
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Mishra E, Thakur MK. Alterations in hippocampal mitochondrial dynamics are associated with neurodegeneration and recognition memory decline in old male mice. Biogerontology 2022; 23:251-271. [PMID: 35266060 DOI: 10.1007/s10522-022-09960-3] [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: 12/25/2021] [Accepted: 02/25/2022] [Indexed: 12/18/2022]
Abstract
Mitochondrial dynamics is a key process that modulates the ultrastructure, quality and function of mitochondria. It is disrupted in numerous major neurodegenerative disorders including Parkinson's, Alzheimer's and Huntington's disease. Mitochondrial dysfunction has been correlated with the loss of memory. Previous studies suggest the involvement of Vdac1 and Drp1 in outer mitochondrial membrane permeabilization and promotion of mitochondrial fragmentation through Drp1 phosphorylation at S616. However, alterations in mitochondrial dynamics with respect to aging, memory loss and neurodegeneration remain unexplored. Therefore, the present study focuses on the involvement of mitochondrial dynamics in neurodegeneration and recognition memory decline during aging. The recognition memory decline was validated by the novel object recognition test and measurement of hippocampal Arc protein level during aging. The ultrastructure analysis revealed a decline in mitochondrial length and area, while an increase in the number of fragmented, round and disrupted mitochondria in the hippocampus during aging. Disruption was also evident in mitochondrial cristae and membrane with advancing age. The change in mitochondrial morphology was corroborated by an increase in the expression of phospho-Drp1 (S616) and Cyt-c proteins but decline in Mfn2, LC3B, Vdac1, Bcl-XL and Bcl-2 proteins in the hippocampus during aging. Taken together, our findings reveal that an increase in the expression of phospho-Drp1 (S616) and decrease in Mfn2 and LC3B proteins in the hippocampus bring about a reduction in mitochondrial length and area, and rise in mitochondrial fragmentation leading to reduced neuronal cell density, increased neurodegeneration and recognition memory decline in old male mice. Diagram depicts the increase in hippocampal mitochondrial fragmentation during aging of mice. Increased mitochondrial fragmentation causes distorted mitochondrial function such as decrease in ATP/ADP transportation due to decrease in Vdac1 protein level and increase in oxidative damage. These alterations result in hippocampal neurodegeneration and consequently impairment in recognition memory during aging.
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Affiliation(s)
- Ela Mishra
- Biochemistry and Molecular Biology Laboratory, Centre of Advanced Study, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, 221 005, India
| | - Mahendra Kumar Thakur
- Biochemistry and Molecular Biology Laboratory, Centre of Advanced Study, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, 221 005, India.
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Sriraksa N, Kongsui R, Thongrong S. Lotus essential oil improves neurite elongation and facilitates functional recovery after peripheral nerve injury. Biomed Rep 2022; 16:30. [PMID: 35251617 PMCID: PMC8889531 DOI: 10.3892/br.2022.1513] [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: 12/08/2021] [Accepted: 02/08/2022] [Indexed: 11/05/2022] Open
Abstract
Injury to the peripheral nerve may lead to deficits in nerve function. An increase in the levels of free radicals plays a role in inhibition of nerve regeneration following damage. The aim of this study was to investigate the effects of lotus essential oil (LEO) on neurite outgrowth in vitro and nerve regeneration in vivo in a rat model of sciatic nerve crush injury. Gas chromatography-mass spectrometry analysis showed that the principal constituent of LEO was palmitic acid ethyl ester (25.12%). The radical scavenging activity of LEO was evaluated using the DPPH method, and was determined to be IC50=29.01±2.93 µg/ml. LEO-treated sensory neurons exhibited increased neurite outgrowth and upregulated levels of phospho-ERK. Sensory and motor functions were improved in rats treated with 50 and 100 mg/kg LEO, and this was accompanied by an increase in the number of neurons in the dorsal root ganglia, as well as an increase in the nerve axon diameters following nerve injury. Taken together, these results suggests that LEO may serve as a novel pharmacological option for the management of peripheral nerve injury.
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Affiliation(s)
- Napatr Sriraksa
- Division of Physiology, School of Medical Sciences, University of Phayao, Amphur Muang, Phayao 56000, Thailand
| | - Ratchaniporn Kongsui
- Division of Physiology, School of Medical Sciences, University of Phayao, Amphur Muang, Phayao 56000, Thailand
| | - Sitthisak Thongrong
- The Unit of Excellence in Translational Neurosciences Initiative, University of Phayao, Amphur Muang, Phayao 56000, Thailand
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Sandberg AA, Manning E, Wilkins HM, Mazzarino R, Minckley T, Swerdlow RH, Patterson D, Qin Y, Linseman DA. Mitochondrial Targeting of Amyloid-β Protein Precursor Intracellular Domain Induces Hippocampal Cell Death via a Mechanism Distinct from Amyloid-β. J Alzheimers Dis 2022; 86:1727-1744. [PMID: 35253745 PMCID: PMC10084495 DOI: 10.3233/jad-215108] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
BACKGROUND Amyloid-β (Aβ) is a principal cleavage product of amyloid-β protein precursor (AβPP) and is widely recognized as a key pathogenic player in Alzheimer's disease (AD). Yet, there is increasing evidence of a neurotoxic role for the AβPP intracellular domain (AICD) which has been proposed to occur through its nuclear function. Intriguingly, there is a γ-secretase resident at the mitochondria which could produce AICD locally. OBJECTIVE We examined the potential of AICD to induce neuronal apoptosis when targeted specifically to the mitochondria and compared its mechanism of neurotoxicity to that of Aβ. METHODS We utilized transient transfection of HT22 neuronal cells with bicistronic plasmids coding for DsRed and either empty vector (Ires), Aβ, AICD59, or mitochondrial-targeted AICD (mitoAICD) in combination with various inhibitors of pathways involved in apoptosis. RESULTS AICD induced significant neuronal apoptosis only when targeted to the mitochondria. Apoptosis required functional mitochondria as neither Aβ nor mitoAICD induced significant toxicity in cells devoid of mitochondrial DNA. Both glutathione and a Bax inhibitor protected HT22 cells from either peptide. However, inhibition of the mitochondrial permeability transition pore only protected from Aβ, while pan-caspase inhibitors uniquely rescued cells from mitoAICD. CONCLUSION Our results show that AICD displays a novel neurotoxic function when targeted to mitochondria. Moreover, mitoAICD induces apoptosis via a mechanism that is distinct from that of Aβ. These findings suggest that AICD produced locally at mitochondria via organelle-specific γ-secretase could act in a synergistic manner with Aβ to cause mitochondrial dysfunction and neuronal death in AD.
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Affiliation(s)
- Alexandra A. Sandberg
- Department of Biological Sciences, University of Denver, 2199 S. University Blvd., Denver, CO, USA
| | - Evan Manning
- Department of Biological Sciences, University of Denver, 2199 S. University Blvd., Denver, CO, USA
| | - Heather M. Wilkins
- Department of Biological Sciences, University of Denver, 2199 S. University Blvd., Denver, CO, USA
- Department of Neurology, University of Kansas Alzheimer’s Disease Center, University of Kansas Medical Center, 3901 Rainbow Blvd, Kansas City, KS, USA
| | - Randall Mazzarino
- Department of Biological Sciences, University of Denver, 2199 S. University Blvd., Denver, CO, USA
| | - Taylor Minckley
- Department of Biological Sciences, University of Denver, 2199 S. University Blvd., Denver, CO, USA
| | - Russell H. Swerdlow
- Department of Neurology, University of Kansas Alzheimer’s Disease Center, University of Kansas Medical Center, 3901 Rainbow Blvd, Kansas City, KS, USA
| | - David Patterson
- Knoebel Institute for Healthy Aging and Eleanor Roosevelt Institute, University of Denver, 2155 E. Wesley Ave., Denver, CO, USA
| | - Yan Qin
- Department of Biological Sciences, University of Denver, 2199 S. University Blvd., Denver, CO, USA
| | - Daniel A. Linseman
- Department of Biological Sciences, University of Denver, 2199 S. University Blvd., Denver, CO, USA
- Knoebel Institute for Healthy Aging and Eleanor Roosevelt Institute, University of Denver, 2155 E. Wesley Ave., Denver, CO, USA
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Huang Y, Tu M, Qian Y, Ma J, Chen L, Liu Y, Wu Y, Chen K, Liu J, Ying Y, Chen Y, Ye Y, Xing L, Zhang F, Hu Y, Zhang R, Ruan YC, Zhang D. Age-Dependent Metabolomic Profile of the Follicular Fluids From Women Undergoing Assisted Reproductive Technology Treatment. Front Endocrinol (Lausanne) 2022; 13:818888. [PMID: 35250874 PMCID: PMC8888916 DOI: 10.3389/fendo.2022.818888] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Accepted: 01/13/2022] [Indexed: 11/25/2022] Open
Abstract
Female fertility declines with age, and this natural variation culminates in reproductive senescence. Human follicular fluids are rich in low-molecular weight metabolites which are responsible for the maturation of oocytes. The metabolomic approaches are powerful tools to study biochemical markers of oocyte quality in the follicular fluids. It is necessary to identify and quantify the reliable metabolites in follicular fluids reflecting oocyte developmental potential. The goal of this study is to conduct a metabolomic analysis of the follicular fluids in women of different ages and study the metabolomic profile of the follicular fluids in relationship with oocyte quality in assisted reproductive technology (ART) treatment. A total of 30 women seeking for ART treatment at the Women's Hospital, Zhejiang University School of Medicine from October 2014 to April 2015 were recruited for the present study. Fifteen women aged from 39 to 47 were grouped as advanced maternal age, and the other 15 women aged from 27 to 34, as young controls. Ovarian stimulation and oocyte retrieval were conducted using a regular protocol involving mid-luteal pituitary down-regulation and controlled ovarian stimulation. Follicular fluids from mature follicles were collected and centrifuged for analyses. Liquid Chromatography-Mass Spectrometry (LC-MS) and Gas Chromatography-Mass Spectroscopy (GC-MS) were used to perform the quantitative metabolomic analysis. The follicular fluid levels of 311 metabolites and the metabolic significance were assessed. 70 metabolites showed significant differences between women with young and advanced ages. Follicular fluids from women with advanced age showed significantly higher levels of creatine, histidine, methionine, trans-4-hydroxyproline, choline, mevalonate, N2,N2-dimethylguanosine and gamma-glutamylvaline, as compared to those from the young age group. 8 metabolites were found significantly correlated with maternal age positively. Moreover, 3 metabolites were correlated with the number of oocytes retrieved, and 5 metabolites were correlated with cleaved embryo numbers, both negatively. The follicular fluids from women undergoing ART treatment exhibited age-dependent metabolomic profile. Metabolites associated with oocyte quality were identified, suggesting them as potential biomarkers for oocyte maturation and ART outcomes.
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Affiliation(s)
- Yun Huang
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Mixue Tu
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yuli Qian
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Junyan Ma
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Lifen Chen
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yifeng Liu
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yiqing Wu
- Key Laboratory of Women’s Reproductive Health Research of Zhejiang Province and Department of Reproductive Endocrinology, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Kai Chen
- Key Laboratory of Women’s Reproductive Health Research of Zhejiang Province and Department of Reproductive Endocrinology, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Juan Liu
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yanyun Ying
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yao Chen
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yinghui Ye
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Lanfeng Xing
- Key Laboratory of Women’s Reproductive Health Research of Zhejiang Province and Department of Reproductive Endocrinology, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Fang Zhang
- Key Laboratory of Women’s Reproductive Health Research of Zhejiang Province and Department of Reproductive Endocrinology, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yanjun Hu
- Key Laboratory of Women’s Reproductive Health Research of Zhejiang Province and Department of Reproductive Endocrinology, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Runjv Zhang
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Ye Chun Ruan
- Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Hong Kong, Hong Kong SAR, China
| | - Dan Zhang
- Key Laboratory of Reproductive Genetics (Ministry of Education) and Department of Reproductive Endocrinology, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Women’s Reproductive Health Research of Zhejiang Province and Department of Reproductive Endocrinology, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
- *Correspondence: Dan Zhang, ; orcid.org/0000-0003-1295-4795
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Molecular Mechanisms behind Persistent Presence of Parvovirus B19 in Human Dilated Myocardium. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1376:181-202. [DOI: 10.1007/5584_2021_702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Rg3-enriched red ginseng extract promotes lung cancer cell apoptosis and mitophagy by ROS production. J Ginseng Res 2022; 46:138-146. [PMID: 35058730 PMCID: PMC8753562 DOI: 10.1016/j.jgr.2021.05.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 05/11/2021] [Accepted: 05/12/2021] [Indexed: 01/02/2023] Open
Abstract
Background Red Ginseng has been used for many years to treat diseases. Ginsenoside Rg3 has documented therapeutic effects, including anticancer and anti-inflammatory activities. However, the anticancer effect of Rg3-enriched red ginseng extract (Rg3-RGE) and its underlying mechanisms have not been fully explored. We investigated whether Rg3-RGE plays an anti-tumor role in lung cancer cells. Methods To examine the effect of Rg3-RGE on lung cancer cells, we performed cell viability assays, flow cytometry, western blotting analysis, and immunofluorescence to monitor specific markers. Results Rg3-RGE significantly inhibited cell proliferation and induced mitochondria-dependent apoptosis. Furthermore, Rg3-RGE also increased expression of mitophagy-related proteins such as PINK1 and Parkin. In addition, treatment with Rg3-RGE and mitophagy inhibitors stimulated cell death by inducing mitochondria dysfunction. Conclusions Rg3-RGE could be used as a therapeutic agent against lung cancer.
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Genetic polymorphism of glutathione S-transferases (GSTM1, GSTT1, and GSTP1) in patients with bullous pemphigoid in a Polish population. POSTEP HIG MED DOSW 2021. [DOI: 10.2478/ahem-2021-0018] [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] Open
Abstract
Abstract
Introduction. Bullous pemphigoid (BP) is one of the most common bullous diseases with an autoimmune background. The etiology and pathogenesis of BP are believed to be influenced not only by environmental, genetic, and immunological factors as well as by oxidative stress. BP is observed more frequently in elderly patients. Additionally, more potent oxidative stress is observed just in old age. Glutathione S-transferases (GSTs) play key roles in the detoxification of xenobiotics, metabolism of endogenous substrates, and the defense against oxidative stress. The present study examines whether polymorphism of genes encoding three selected GSTs (GSTM1, GSTT1, and GSTP1) might be associated with a higher risk for BP.
Materials and methods. The study involved 71 patients with BP and 100 healthy volunteers from a Polish population. The presence of the deletion type polymorphism for GSTM1 and GSTT1 was confirmed by multiplex PCR. The Ile105Val GSTP1 polymorphism was analyzed by PCR-RFLP.
Results. It was observed that the combination of GSTM1 null/GSTT1 null/GSTP1 Ile/Val, Val/Val genotypes occurred more frequently in patients with BP (8.5%) than in controls (4.0%). The odds ratio for carriers of GSTM1 null/GSTT1 null/ GSTP1 Ile/Val, Val/Val genotypes was 2.22 (95% CI 0.60–8.16; p = 0.3727), but was not statistically significant.
Conclusions. The combination of GSTM1 null, GSTT1 null, GSTP1 Ile/Val, Val/Val genotypes might be related to a greater risk of BP in a Polish population. However, future studies including more individuals are required to confirm this.
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Cellular Senescence in Adrenocortical Biology and Its Disorders. Cells 2021; 10:cells10123474. [PMID: 34943980 PMCID: PMC8699888 DOI: 10.3390/cells10123474] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 11/26/2021] [Accepted: 12/06/2021] [Indexed: 01/10/2023] Open
Abstract
Cellular senescence is considered a physiological process along with aging and has recently been reported to be involved in the pathogenesis of many age-related disorders. Cellular senescence was first found in human fibroblasts and gradually explored in many other organs, including endocrine organs. The adrenal cortex is essential for the maintenance of blood volume, carbohydrate metabolism, reaction to stress and the development of sexual characteristics. Recently, the adrenal cortex was reported to harbor some obvious age-dependent features. For instance, the circulating levels of aldosterone and adrenal androgen gradually descend, whereas those of cortisol increase with aging. The detailed mechanisms have remained unknown, but cellular senescence was considered to play an essential role in age-related changes of the adrenal cortex. Recent studies have demonstrated that the senescent phenotype of zona glomerulosa (ZG) acts in association with reduced aldosterone production in both physiological and pathological aldosterone-producing cells, whereas senescent cortical-producing cells seemed not to have a suppressed cortisol-producing ability. In addition, accumulated lipofuscin formation, telomere shortening and cellular atrophy in zona reticularis cells during aging may account for the age-dependent decline in adrenal androgen levels. In adrenocortical disorders, including both aldosterone-producing adenoma (APA) and cortisol-producing adenoma (CPA), different cellular subtypes of tumor cells presented divergent senescent phenotypes, whereby compact cells in both APA and CPA harbored more senescent phenotypes than clear cells. Autonomous cortisol production from CPA reinforced a local cellular senescence that was more severe than that in APA. Adrenocortical carcinoma (ACC) was also reported to harbor oncogene-induced senescence, which compensatorily follows carcinogenesis and tumor progress. Adrenocortical steroids can induce not only a local senescence but also a periphery senescence in many other tissues. Therefore, herein, we systemically review the recent advances related to cellular senescence in adrenocortical biology and its associated disorders.
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Nicolson GL, Ferreira de Mattos G, Ash M, Settineri R, Escribá PV. Fundamentals of Membrane Lipid Replacement: A Natural Medicine Approach to Repairing Cellular Membranes and Reducing Fatigue, Pain, and Other Symptoms While Restoring Function in Chronic Illnesses and Aging. MEMBRANES 2021; 11:944. [PMID: 34940446 PMCID: PMC8707623 DOI: 10.3390/membranes11120944] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 11/23/2021] [Accepted: 11/23/2021] [Indexed: 12/14/2022]
Abstract
Membrane Lipid Replacement (MLR) uses natural membrane lipid supplements to safely replace damaged, oxidized lipids in membranes in order to restore membrane function, decrease symptoms and improve health. Oral MLR supplements contain mixtures of cell membrane glycerolphospholipids, fatty acids, and other lipids, and can be used to replace and remove damaged cellular and intracellular membrane lipids. Membrane injury, caused mainly by oxidative damage, occurs in essentially all chronic and acute medical conditions, including cancer and degenerative diseases, and in normal processes, such as aging and development. After ingestion, the protected MLR glycerolphospholipids and other lipids are dispersed, absorbed, and internalized in the small intestines, where they can be partitioned into circulating lipoproteins, globules, liposomes, micelles, membranes, and other carriers and transported in the lymphatics and blood circulation to tissues and cellular sites where they are taken in by cells and partitioned into various cellular membranes. Once inside cells, the glycerolphospholipids and other lipids are transferred to various intracellular membranes by lipid carriers, globules, liposomes, chylomicrons, or by direct membrane-membrane interactions. The entire process appears to be driven by 'bulk flow' or mass action principles, where surplus concentrations of replacement lipids can stimulate the natural exchange and removal of damaged membrane lipids while the replacement lipids undergo further enzymatic alterations. Clinical studies have demonstrated the advantages of MLR in restoring membrane and organelle function and reducing fatigue, pain, and other symptoms in chronic illness and aging patients.
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Affiliation(s)
- Garth L. Nicolson
- Department of Molecular Pathology, The Institute for Molecular Medicine, Huntington Beach, CA 92647, USA
| | - Gonzalo Ferreira de Mattos
- Laboratory of Ion Channels, Biological Membranes and Cell Signaling, Department of Biophysics, Facultad de Medicina, Universidad de la República, Montevideo 11600, Uruguay;
| | - Michael Ash
- Clinical Education, Newton Abbot, Devon TQ12 4SG, UK;
| | | | - Pablo V. Escribá
- Laboratory of Molecular Cell Biomedicine, University of the Balearic Islands, 07122 Palma de Mallorca, Spain;
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Salvia miltiorrhiza Protects Endothelial Dysfunction against Mitochondrial Oxidative Stress. Life (Basel) 2021; 11:life11111257. [PMID: 34833133 PMCID: PMC8622679 DOI: 10.3390/life11111257] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 11/05/2021] [Accepted: 11/16/2021] [Indexed: 11/23/2022] Open
Abstract
Salvia miltiorrhiza (SM) is a common traditional Chinese medicine used in the treatment of cardiovascular and cerebrovascular diseases. Endothelial dysfunction plays an important role in the pathology of cardiovascular diseases. Endothelial dysfunction may induce inflammation and change vascular tone and permeability. The main pathological mechanism of endothelial dysfunction is the formation of reactive oxygen species (ROS). Mitochondria are the main source of energy and can also produce large amounts of ROS. Recent studies have shown that extracts of SM have antioxidative, anti-inflammatory, and antithrombus properties. In this review, we discuss the mechanism of oxidative stress in the mitochondria, endothelial dysfunction, and the role of SM in these oxidative events.
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Singh T, Jiao Y, Ferrando LM, Yablonska S, Li F, Horoszko EC, Lacomis D, Friedlander RM, Carlisle DL. Neuronal mitochondrial dysfunction in sporadic amyotrophic lateral sclerosis is developmentally regulated. Sci Rep 2021; 11:18916. [PMID: 34556702 PMCID: PMC8460779 DOI: 10.1038/s41598-021-97928-7] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 09/01/2021] [Indexed: 02/08/2023] Open
Abstract
Amyotrophic lateral sclerosis is an adult-onset neurodegenerative disorder characterized by loss of motor neurons. Mitochondria are essential for neuronal survival but the developmental timing and mechanistic importance of mitochondrial dysfunction in sporadic ALS (sALS) neurons is not fully understood. We used human induced pluripotent stem cells and generated a developmental timeline by differentiating sALS iPSCs to neural progenitors and to motor neurons and comparing mitochondrial parameters with familial ALS (fALS) and control cells at each developmental stage. We report that sALS and fALS motor neurons have elevated reactive oxygen species levels, depolarized mitochondria, impaired oxidative phosphorylation, ATP loss and defective mitochondrial protein import compared with control motor neurons. This phenotype develops with differentiation into motor neurons, the affected cell type in ALS, and does not occur in the parental undifferentiated sALS cells or sALS neural progenitors. Our work demonstrates a developmentally regulated unifying mitochondrial phenotype between patient derived sALS and fALS motor neurons. The occurrence of a unifying mitochondrial phenotype suggests that mitochondrial etiology known to SOD1-fALS may applicable to sALS. Furthermore, our findings suggest that disease-modifying treatments focused on rescue of mitochondrial function may benefit both sALS and fALS patients.
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Affiliation(s)
- Tanisha Singh
- grid.21925.3d0000 0004 1936 9000Neuroapoptosis Laboratory, Department of Neurological Surgery, University of Pittsburgh, B400 Presbyterian Hospital, 200 Lothrop Street, Pittsburgh, PA 15213 USA
| | - Yuanyuan Jiao
- grid.21925.3d0000 0004 1936 9000Neuroapoptosis Laboratory, Department of Neurological Surgery, University of Pittsburgh, B400 Presbyterian Hospital, 200 Lothrop Street, Pittsburgh, PA 15213 USA
| | - Lisa M. Ferrando
- grid.21925.3d0000 0004 1936 9000Neuroapoptosis Laboratory, Department of Neurological Surgery, University of Pittsburgh, B400 Presbyterian Hospital, 200 Lothrop Street, Pittsburgh, PA 15213 USA
| | - Svitlana Yablonska
- grid.21925.3d0000 0004 1936 9000Neuroapoptosis Laboratory, Department of Neurological Surgery, University of Pittsburgh, B400 Presbyterian Hospital, 200 Lothrop Street, Pittsburgh, PA 15213 USA
| | - Fang Li
- grid.21925.3d0000 0004 1936 9000Neuroapoptosis Laboratory, Department of Neurological Surgery, University of Pittsburgh, B400 Presbyterian Hospital, 200 Lothrop Street, Pittsburgh, PA 15213 USA
| | - Emily C. Horoszko
- grid.21925.3d0000 0004 1936 9000Neuroapoptosis Laboratory, Department of Neurological Surgery, University of Pittsburgh, B400 Presbyterian Hospital, 200 Lothrop Street, Pittsburgh, PA 15213 USA
| | - David Lacomis
- grid.21925.3d0000 0004 1936 9000Departments of Neurology and Pathology, University of Pittsburgh, Pittsburgh, PA 15213 USA
| | - Robert M. Friedlander
- grid.21925.3d0000 0004 1936 9000Neuroapoptosis Laboratory, Department of Neurological Surgery, University of Pittsburgh, B400 Presbyterian Hospital, 200 Lothrop Street, Pittsburgh, PA 15213 USA
| | - Diane L. Carlisle
- grid.21925.3d0000 0004 1936 9000Neuroapoptosis Laboratory, Department of Neurological Surgery, University of Pittsburgh, B400 Presbyterian Hospital, 200 Lothrop Street, Pittsburgh, PA 15213 USA
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Feng Q, Song S, Yang Y, Amee M, Chen L, Xie Y. Comparative physiological and metabolic analyzes of two Italian ryegrass (Lolium multiflorum) cultivars with contrasting salinity tolerance. PHYSIOLOGIA PLANTARUM 2021; 172:1688-1699. [PMID: 33611798 DOI: 10.1111/ppl.13374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 02/02/2021] [Accepted: 02/15/2021] [Indexed: 06/12/2023]
Abstract
Italian ryegrass (Lolium multiflorum) is a widely cultivated forage with high nutritional value and good palatability. Salinity, however, is a negative factor to lessen output and quality in Italian ryegrass. The aim of this study was to elucidate the salt tolerance mechanism of two Italian ryegrass cultivars, 'Abundant' and 'Angus'. Under hydroponic conditions, two cultivars of Italian ryegrass with different salt tolerance were exposed to 0 and 300 mM NaCl solution for 1 week, respectively. The results showed that salt stress decreased relative growth rate and relative water content, especially in salt-sensitive 'Angus'. The salt-tolerant 'Abundant' cultivar alleviated reactive oxygen species (ROS) induced burst and cell damage. However, 'Angus' exhibited a greater activity of superoxide dismutase (SOD) and peroxidase (POD) than 'Abundant'. Additionally, 'Abundant' exhibited higher photosynthetic efficiency than 'Angus' under salt stress condition. Salt treatment significantly increased the Na/K, Na/Mg, and Na/Ca ratios in the leaves and roots of both cultivars, with a pronounced effect in salt-sensitive 'Angus'. The metabolite analysis of leaf polar extracts revealed 41 salt responsive metabolites in both cultivars, mainly consisting of amino acids, organic acids, fatty acids, and sugars. Following exposure to salt conditions, salt-sensitive 'Angus' had a higher level of metabolites and more uniquely upregulated metabolites were detected. Based on these findings, we conclude that the 'Abundant' cultivar emerged as a favorite in saline-alkali soil, while the 'Angus' cultivar is suitable for planting in normal soil. It appears that the high salt tolerance of 'Abundant' is partly to prevent the plant from ionic homeostasis disruption.
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Affiliation(s)
- Qijia Feng
- CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan, China
- Center of Economic Botany, Core Botanical Gardens, Chinese Academy of Sciences, Wuhan, China
- School of Life Science, University of Chinese Academy of Sciences, Beijing, China
| | - Shurui Song
- CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan, China
- Center of Economic Botany, Core Botanical Gardens, Chinese Academy of Sciences, Wuhan, China
- School of Life Science, University of Chinese Academy of Sciences, Beijing, China
| | - Yong Yang
- School of Physical Education, Changsha University, Changsha, China
| | - Maurice Amee
- CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan, China
- Center of Economic Botany, Core Botanical Gardens, Chinese Academy of Sciences, Wuhan, China
- School of Life Science, University of Chinese Academy of Sciences, Beijing, China
| | - Liang Chen
- CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan, China
- Center of Economic Botany, Core Botanical Gardens, Chinese Academy of Sciences, Wuhan, China
| | - Yan Xie
- CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan, China
- Center of Economic Botany, Core Botanical Gardens, Chinese Academy of Sciences, Wuhan, China
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Antifungal Effects of Fusion Puroindoline B on the Surface and Intracellular Environment of Aspergillus flavus. Probiotics Antimicrob Proteins 2021; 13:249-260. [PMID: 32488675 DOI: 10.1007/s12602-020-09667-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Aspergillus flavus infection is a major issue for safe food storage. In this study, we constructed an efficient prokaryotic expression system for puroindoline B (PINB) protein to detect its antifungal activity. The Puroindoline b gene was cloned into pET-28a (+) vector and expressed in Escherichia coli. Treatment with fusion PINB revealed that it inhibits mycelial growth of A. flavus, a common grain mold. Moreover, fusion PINB-treated A. flavus mycelium withered and exhibited a sunken spore head. As fusion PINB concentration increased, electrical conductivity in mycelium also increased, indicative of cell membrane damage. Furthermore, intracellular malate dehydrogenase and succinate dehydrogenase activity decreased, revealing a disruption in the tricarboxylic acid cycle. Moreover, the dampened activity of the ion pump Na+K+-ATPase negatively affected the intracellular regulation of both ions. Catalase and superoxide dismutase activity decreased, thus reducing antioxidant capacity, a result confirmed with an increase in malondialdehyde content. Changes to the GSH/GSSG ratio indicated a shift to an intracellular oxidative state. At the same time, laser scanning confocal microscopy assay showed the accumulation of reactive oxygen species and nuclear damage. Therefore, the PINB fusion protein may have the potential to control A. flavus in grain storage and food preservation.
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Oxidative Dysregulation in Early Life Stress and Posttraumatic Stress Disorder: A Comprehensive Review. Brain Sci 2021; 11:brainsci11060723. [PMID: 34072322 PMCID: PMC8228973 DOI: 10.3390/brainsci11060723] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 05/24/2021] [Accepted: 05/26/2021] [Indexed: 12/30/2022] Open
Abstract
Traumatic stress may chronically affect master homeostatic systems at the crossroads of peripheral and central susceptibility pathways and lead to the biological embedment of trauma-related allostatic trajectories through neurobiological alterations even decades later. Lately, there has been an exponential knowledge growth concerning the effect of traumatic stress on oxidative components and redox-state homeostasis. This extensive review encompasses a detailed description of the oxidative cascade components along with their physiological and pathophysiological functions and a systematic presentation of both preclinical and clinical, genetic and epigenetic human findings on trauma-related oxidative stress (OXS), followed by a substantial synthesis of the involved oxidative cascades into specific and functional, trauma-related pathways. The bulk of the evidence suggests an imbalance of pro-/anti-oxidative mechanisms under conditions of traumatic stress, respectively leading to a systemic oxidative dysregulation accompanied by toxic oxidation byproducts. Yet, there is substantial heterogeneity in findings probably relative to confounding, trauma-related parameters, as well as to the equivocal directionality of not only the involved oxidative mechanisms but other homeostatic ones. Accordingly, we also discuss the trauma-related OXS findings within the broader spectrum of systemic interactions with other major influencing systems, such as inflammation, the hypothalamic-pituitary-adrenal axis, and the circadian system. We intend to demonstrate the inherent complexity of all the systems involved, but also put forth associated caveats in the implementation and interpretation of OXS findings in trauma-related research and promote their comprehension within a broader context.
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The Regulation of Non-Specific Membrane Permeability Transition in Yeast Mitochondria under Oxidative Stress. MICROBIOLOGY RESEARCH 2021. [DOI: 10.3390/microbiolres12020029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
In this study, the mechanism of non-specific membrane permeability (yPTP) in the Endomyces magnusii yeast mitochondria under oxidative stress due to blocking the key antioxidant enzymes has been investigated. We used monitoring the membrane potential at the cellular (potential-dependent staining) and mitochondrial levels and mitochondria ultra-structural images with transmission electron microscopy (TEM) to demonstrate the mitochondrial permeability transition induction due to the pore opening. Analysis of the yPTP opening upon respiring different substrates showed that NAD(P)H completely blocked the development of the yPTP. The yPTP opening was inhibited by 5–20 mM Pi, 5 mM Mg2+, adenine nucleotides (AN), 5 mM GSH, the inhibitor of the Pi transporter (PiC), 100 μM mersalyl, the blockers of the adenine nucleotide transporter (ANT) carboxyatractyloside (CATR), and bongkrekic acid (BA). We concluded that the non-specific membrane permeability pore opens in the E. magnusii mitochondria under oxidative stress, and the ANT and PiC are involved in its formation. The crucial role of the Ca2+ ions in the process has not been confirmed. We showed that the Ca2+ ions affected the yPTP both with and without the Ca2+ ionophore ETH129 application insignificantly. This phenomenon in the E. magnusii yeast unites both mitochondrial unselective channel (ScMUC) features in the Saccharomyces cerevisiae mitochondria and the classical membrane pore in the mammalian ones (mPTP).
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Witt B, Stiboller M, Raschke S, Friese S, Ebert F, Schwerdtle T. Characterizing effects of excess copper levels in a human astrocytic cell line with focus on oxidative stress markers. J Trace Elem Med Biol 2021; 65:126711. [PMID: 33486291 DOI: 10.1016/j.jtemb.2021.126711] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 12/02/2020] [Accepted: 01/02/2021] [Indexed: 12/17/2022]
Abstract
BACKGROUND Being an essential trace element, copper is involved in diverse physiological processes. However, excess levels might lead to adverse effects. Disrupted copper homeostasis, particularly in the brain, has been associated with human diseases including the neurodegenerative disorders Wilson and Alzheimer's disease. In this context, astrocytes play an important role in the regulation of the copper homeostasis in the brain and likely in the prevention against neuronal toxicity, consequently pointing them out as a potential target for the neurotoxicity of copper. Major toxic mechanisms are discussed to be directed against mitochondria probably via oxidative stress. However, the toxic potential and mode of action of copper in astrocytes is poorly understood, so far. METHODS In this study, excess copper levels affecting human astrocytic cell model and their involvement in the neurotoxic mode of action of copper, as well as, effects on the homeostasis of other trace elements (Mn, Fe, Ca and Mg) were investigated. RESULTS Copper induced substantial cytotoxic effects in the human astrocytic cell line following 48 h incubation (EC30: 250 μM) and affected mitochondrial function, as observed via reduction of mitochondrial membrane potential and increased ROS production, likely originating from mitochondria. Moreover, cellular GSH metabolism was altered as well. Interestingly, not only cellular copper levels were affected, but also the homeostasis of other elements (Ca, Fe and Mn) were disrupted. CONCLUSION One potential toxic mode of action of copper seems to be effects on the mitochondria along with induction of oxidative stress in the human astrocytic cell model. Moreover, excess copper levels seem to interact with the homeostasis of other essential elements such as Ca, Fe and Mn. Disrupted element homeostasis might also contribute to the induction of oxidative stress, likely involved in the onset and progression of neurodegenerative disorders. These insights in the toxic mechanisms will help to develop ideas and approaches for therapeutic strategies against copper-mediated diseases.
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Affiliation(s)
- Barbara Witt
- Institute of Nutritional Science, University of Potsdam, Arthur-Scheunert-Allee 114-116, 14558, Nuthetal, Germany.
| | - Michael Stiboller
- Institute of Nutritional Science, University of Potsdam, Arthur-Scheunert-Allee 114-116, 14558, Nuthetal, Germany
| | - Stefanie Raschke
- Institute of Nutritional Science, University of Potsdam, Arthur-Scheunert-Allee 114-116, 14558, Nuthetal, Germany
| | - Sharleen Friese
- Institute of Nutritional Science, University of Potsdam, Arthur-Scheunert-Allee 114-116, 14558, Nuthetal, Germany
| | - Franziska Ebert
- Institute of Nutritional Science, University of Potsdam, Arthur-Scheunert-Allee 114-116, 14558, Nuthetal, Germany
| | - Tanja Schwerdtle
- Institute of Nutritional Science, University of Potsdam, Arthur-Scheunert-Allee 114-116, 14558, Nuthetal, Germany; TraceAge - DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly (FOR 2558), Berlin-Potsdam-Jena, Germany; German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Strasse 8-10, 10589, Berlin, Germany
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