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Minello L, Mattiello GS, Cassini C, Touguinha LA, Paim LF, Moura S, Salvador M, Branco CS. Chemical characterization, in vivo safety profile and effects of the extract from unconventional food plant Acca sellowiana (O. BERG) Burret on endothelial cells under glucose overload. J Pharm Biomed Anal 2024; 248:116304. [PMID: 38906070 DOI: 10.1016/j.jpba.2024.116304] [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: 03/05/2024] [Revised: 05/18/2024] [Accepted: 06/10/2024] [Indexed: 06/23/2024]
Abstract
"Guava" (Acca sellowiana) is an unconventional edible plant from Brazil. It is used in traditional medicine as an anti-diabetic; however, pharmacological studies on this plant are scarce. This study aimed to evaluate the chemical and safety profile of an aqueous A. sellowiana peel extract (ASPE) and its effects on endothelial EA.hy926 cells under glucose overload and in vivo (Artemia salina). An ethanolic extract from A. sellowiana peels (ASPEetOH) was also produced and characterized. Results showed that ASPE did not present in vivo toxicity, and it was found to contain high phenolic content and redox capacity. ASPE (50 µg/mL; 24 h) prevented oxidative stress and mitochondrial dysfunction, besides positively modulating Sirtuins 1 and 3, and prevented the increase of COX-2 and NF-kβ expression levels in EA.hy926 cells under glucose overload. Chromatographic fractionation, metabolite profiling, spectroscopic and bioinformatics analyses revealed the presence of phenolic acids, flavan-3-ols, flavonols, flavones, flavanones, and anthocyanidins, displaying a diversity of compounds in the crude and fractionated ASPEetOH. This study provided evidence on the safety profile, chemical composition, and pharmacological activities of A. sellowiana.
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Affiliation(s)
- Luana Minello
- Laboratory of Oxidative Stress and Antioxidants, Institute of Biotechnology, University of Caxias do Sul, Caxias do Sul, RS, Brazil
| | - Gabrielle Slomp Mattiello
- Laboratory of Oxidative Stress and Antioxidants, Institute of Biotechnology, University of Caxias do Sul, Caxias do Sul, RS, Brazil
| | - Carina Cassini
- Laboratory of Oxidative Stress and Antioxidants, Institute of Biotechnology, University of Caxias do Sul, Caxias do Sul, RS, Brazil
| | - Luciana Andrade Touguinha
- Laboratory of Oxidative Stress and Antioxidants, Institute of Biotechnology, University of Caxias do Sul, Caxias do Sul, RS, Brazil
| | - Luís Fernando Paim
- Laboratory of Biotechnology, Natural and Synthetic Products, Institute of Biotechnology, University of Caxias do Sul, Caxias do Sul, RS, Brazil
| | - Sidnei Moura
- Laboratory of Biotechnology, Natural and Synthetic Products, Institute of Biotechnology, University of Caxias do Sul, Caxias do Sul, RS, Brazil
| | - Mirian Salvador
- Laboratory of Oxidative Stress and Antioxidants, Institute of Biotechnology, University of Caxias do Sul, Caxias do Sul, RS, Brazil
| | - Catia Santos Branco
- Laboratory of Oxidative Stress and Antioxidants, Institute of Biotechnology, University of Caxias do Sul, Caxias do Sul, RS, Brazil.
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Campagna R, Mazzanti L, Pompei V, Alia S, Vignini A, Emanuelli M. The Multifaceted Role of Endothelial Sirt1 in Vascular Aging: An Update. Cells 2024; 13:1469. [PMID: 39273039 PMCID: PMC11394039 DOI: 10.3390/cells13171469] [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: 07/17/2024] [Revised: 08/21/2024] [Accepted: 08/28/2024] [Indexed: 09/15/2024] Open
Abstract
NAD+-dependent deacetylase sirtuin-1 (Sirt1) belongs to the sirtuins family, known to be longevity regulators, and exerts a key role in the prevention of vascular aging. By aging, the expression levels of Sirt1 decline with a severe impact on vascular function, such as the rise of endothelial dysfunction, which in turn promotes the development of cardiovascular diseases. In this context, the impact of Sirt1 activity in preventing endothelial senescence is particularly important. Given the key role of Sirt1 in counteracting endothelial senescence, great efforts have been made to deepen the knowledge about the intricate cross-talks and interactions of Sirt1 with other molecules, in order to set up possible strategies to boost Sirt1 activity to prevent or treat vascular aging. The aim of this review is to provide a proper background on the regulation and function of Sirt1 in the vascular endothelium and to discuss the recent advances regarding the therapeutic strategies of targeting Sirt1 to counteract vascular aging.
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Affiliation(s)
- Roberto Campagna
- Department of Clinical Sciences, Polytechnic University of Marche, 60100 Ancona, Italy
| | - Laura Mazzanti
- Department of Clinical Sciences, Polytechnic University of Marche, 60100 Ancona, Italy
- Fondazione Salesi, Ospedale G. Salesi, 60100 Ancona, Italy
| | - Veronica Pompei
- Department of Clinical Sciences, Polytechnic University of Marche, 60100 Ancona, Italy
| | - Sonila Alia
- Department of Clinical Sciences, Polytechnic University of Marche, 60100 Ancona, Italy
| | - Arianna Vignini
- Department of Clinical Sciences, Polytechnic University of Marche, 60100 Ancona, Italy
- Research Center of Health Education and Health Promotion, Università Politecnica delle Marche, 60100 Ancona, Italy
| | - Monica Emanuelli
- Department of Clinical Sciences, Polytechnic University of Marche, 60100 Ancona, Italy
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3
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Liao YL, Fang YF, Sun JX, Dou GR. Senescent endothelial cells: a potential target for diabetic retinopathy. Angiogenesis 2024:10.1007/s10456-024-09943-7. [PMID: 39215875 DOI: 10.1007/s10456-024-09943-7] [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: 04/29/2024] [Accepted: 08/19/2024] [Indexed: 09/04/2024]
Abstract
Diabetic retinopathy (DR) is a diabetic complication that results in visual impairment and relevant retinal diseases. Current therapeutic strategies on DR primarily focus on antiangiogenic therapies, which particularly target vascular endothelial growth factor and its related signaling transduction. However, these therapies still have limitations due to the intricate pathogenesis of DR. Emerging studies have shown that premature senescence of endothelial cells (ECs) in a hyperglycemic environment is involved in the disease process of DR and plays multiple roles at different stages. Moreover, these surprising discoveries have driven the development of senotherapeutics and strategies targeting senescent endothelial cells (SECs), which present challenging but promising prospects in DR treatment. In this review, we focus on the inducers and mechanisms of EC senescence in the pathogenesis of DR and summarize the current research advances in the development of senotherapeutics and strategies that target SECs for DR treatment. Herein, we highlight the role played by key factors at different stages of EC senescence, which will be critical for facilitating the development of future innovative treatment strategies that target the different stages of senescence in DR.
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Affiliation(s)
- Ying-Lu Liao
- Department of Ophthalmology, Eye Institute of Chinese PLA, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
- Department of the Cadet Team 6 of the School of Basic Medicine, Fourth Military Medical University, Xi'an, China
| | - Yi-Fan Fang
- Department of Ophthalmology, Eye Institute of Chinese PLA, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Jia-Xing Sun
- Department of Ophthalmology, Eye Institute of Chinese PLA, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Guo-Rui Dou
- Department of Ophthalmology, Eye Institute of Chinese PLA, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China.
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4
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Lei Y, Meng J, Shi H, Shi C, Li C, Yang Z, Zhang W, Zuo D, Wang F, Wang M. Mannan-binding lectin inhibits oxidative stress-induced senescence via the NAD+/Sirt1 pathway. Int Immunopharmacol 2024; 137:112468. [PMID: 38906004 DOI: 10.1016/j.intimp.2024.112468] [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: 02/28/2024] [Revised: 06/07/2024] [Accepted: 06/09/2024] [Indexed: 06/23/2024]
Abstract
Prolonged or excessive oxidative stress can lead to premature cellular and body aging. Mannan-binding lectin (MBL) is synthesized by the liver and plays an important role in innate immunity, anti-inflammation, and anti-oxidation, and has a positive impact on health and longevity. To date, few studies investigated the role of MBL in attenuating oxidative stress-induced senescence. In this study, we evaluated the role of MBL in oxidative stress-induced premature aging and explored its underlying mechanism in C57BL/6 mice and mouse embryonic fibroblasts (NIH/3T3). First, we established an oxidative premature senescence model induced by D-galactose in C57BL/6 mice. We found that MBL-deficient mice had a marked aging-like appearance, reduced learning and spatial exploration abilities, severe liver pathological damage, and significantly upregulated expression of Senescence-associated proteins (p53 and p21), inflammatory kinesins (IL-1β and IL-6), and the senescence β-galactosidase (SA-β-Gal) positive rate as compared with WT mice. In the H2O2-induced oxidative senescence model of NIH/3T3 cells, consistent results were obtained after MBL intervention. In addition, MBL effectively inhibited G1 phase arrest, ROS levels, DNA damage, and mitochondrial dysfunction in premature senescent cells. Mechanistically, we found that oxidative stress inhibited the nicotinamide adenine dinucleotide (NAD+)/ silent information regulator 1 (Sirt1) signaling pathway, while MBL activated the NAD+/Sirt1 signaling pathway inhibited by oxidative stress. In addition, MBL could activate the NAD+/Sirt1 pathway by upregulating NAMPT, which in turn inhibited p38 phosphorylation by activating the NAD+/Sirt1 pathway. In conclusion, MBL inhibits oxidative aging, which may facilitate the development of therapeutics to delay oxidative aging.
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Affiliation(s)
- Yiming Lei
- Xinxiang Key Laboratory of Immunoregulation and Molecular Diagnostics, School of Medical Technology, Xinxiang Medical University, Xinxiang 453003, China
| | - Jie Meng
- Xinxiang Key Laboratory of Immunoregulation and Molecular Diagnostics, School of Medical Technology, Xinxiang Medical University, Xinxiang 453003, China
| | - Haiqiang Shi
- School of Public Health, Xinxiang Medical University, Xinxiang 453003, China
| | - Chenchen Shi
- Xinxiang Key Laboratory of Immunoregulation and Molecular Diagnostics, School of Medical Technology, Xinxiang Medical University, Xinxiang 453003, China
| | - Chao Li
- Xinxiang Key Laboratory of Immunoregulation and Molecular Diagnostics, School of Medical Technology, Xinxiang Medical University, Xinxiang 453003, China
| | - Ziyi Yang
- Xinxiang Key Laboratory of Immunoregulation and Molecular Diagnostics, School of Medical Technology, Xinxiang Medical University, Xinxiang 453003, China
| | - Wei Zhang
- School of Basic Medical Science, Xinxiang Medical University, Xinxiang 453003, China
| | - Daming Zuo
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong 510515, China.
| | - Fanping Wang
- Xinxiang Key Laboratory of Immunoregulation and Molecular Diagnostics, School of Medical Technology, Xinxiang Medical University, Xinxiang 453003, China.
| | - Mingyong Wang
- Xinxiang Key Laboratory of Immunoregulation and Molecular Diagnostics, School of Medical Technology, Xinxiang Medical University, Xinxiang 453003, China; School of Medical Technology, Shangqiu Medical College, Shangqiu 476100, China.
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Andrade KO, Monte APO, Silva RLS, Barberino RS, Mota IM, Santos GCS, Guimarães VS, Silva GAL, Teixeira CS, Matos MHT. Effect of lactose on the in vitro development of sheep secondary follicles. Anim Reprod Sci 2024; 270:107578. [PMID: 39213730 DOI: 10.1016/j.anireprosci.2024.107578] [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: 01/19/2024] [Revised: 07/28/2024] [Accepted: 08/11/2024] [Indexed: 09/04/2024]
Abstract
Considering that follicular development is an energy-dependent process, supplementation of the culture medium with energy substrates, such as lactose, would improve follicle viability and growth. Thus, the aim of this study was to evaluate the effect of lactose on morphology, development, glutathione (GSH) concentration, mitochondrial activity, DNA fragmentation, and meiotic resumption of oocytes from sheep secondary follicles cultured in vitro. Secondary follicles were isolated from the cortex of ovine ovaries and cultured individually for 18 days in α-MEM supplemented with bovine serum albumin (BSA), insulin, glutamine, hypoxanthine, transferrin, selenium and ascorbic acid (control medium: α-MEM+) or in α-MEM+ plus different concentrations of lactose (0.025, 0.05 and 0.1 M). After culture, some of the oocytes were subjected to TUNEL assay and in vitro maturation (IVM). Follicular morphology, glutathione (GSH) concentration and mitochondrial activity were evaluated at the end of the culture. At the day 18, the percentage of morphologically normal follicles was greater (P<0.05) in the treatment of 0.025 M lactose (92.5 %) compared to the control group (75.55 %). In addition, GSH concentrations increased (P<0.05) in treatment containing 0.025 M lactose compared to the other treatments. Furthermore, oocytes cultured in 0.025 M lactose had greater (P<0.05) mitochondrial activity levels than in α-MEM+ and 0.1 M lactose. The group α-MEM+ presented a increase of TUNEL-positive oocytes (35.09 %) compared to 0.025 lactose (9.09 %). The percentage of meiotic resumption was greater (P<0.05) in oocytes from secondary follicles cultured in 0.025 M lactose (54.5 %) than in α-MEM+ (45.5 %). In conclusion, 0.025 M lactose improved survival, GSH and active mitochondria levels and meiotic resumption of oocytes from in vitro cultured secondary follicles. Supplementation of the culture medium of preantral follicles with lactose can gradually provide energy to follicular cells, potentially enhancing the production of viable oocytes for biotechniques such as IVM and in vitro fertilization.
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Affiliation(s)
- Kíscyla O Andrade
- Federal University of Vale do São Francisco, Nucleus of Biotechnology Applied to Ovarian Follicle Development, Federal University of Vale do São Francisco, Petrolina, PE 56300-990, Brazil
| | - Alane P O Monte
- Federal University of Vale do São Francisco, Nucleus of Biotechnology Applied to Ovarian Follicle Development, Federal University of Vale do São Francisco, Petrolina, PE 56300-990, Brazil
| | - Regina L S Silva
- Federal University of Vale do São Francisco, Nucleus of Biotechnology Applied to Ovarian Follicle Development, Federal University of Vale do São Francisco, Petrolina, PE 56300-990, Brazil
| | - Ricássio S Barberino
- Federal University of Vale do São Francisco, Nucleus of Biotechnology Applied to Ovarian Follicle Development, Federal University of Vale do São Francisco, Petrolina, PE 56300-990, Brazil
| | - Istefani M Mota
- Federal University of Vale do São Francisco, Nucleus of Biotechnology Applied to Ovarian Follicle Development, Federal University of Vale do São Francisco, Petrolina, PE 56300-990, Brazil
| | - Gabriela C S Santos
- Federal University of Vale do São Francisco, Nucleus of Biotechnology Applied to Ovarian Follicle Development, Federal University of Vale do São Francisco, Petrolina, PE 56300-990, Brazil
| | - Valéria S Guimarães
- Federal University of Vale do São Francisco, Nucleus of Biotechnology Applied to Ovarian Follicle Development, Federal University of Vale do São Francisco, Petrolina, PE 56300-990, Brazil
| | - Gizele A L Silva
- Federal University of Vale do São Francisco, Nucleus of Biotechnology Applied to Ovarian Follicle Development, Federal University of Vale do São Francisco, Petrolina, PE 56300-990, Brazil
| | - Claudener S Teixeira
- Agrarian and Biodiversity Sciences Center, Federal University of Cariri, Crato, CE 63130-025, Brazil
| | - Maria Helena T Matos
- Federal University of Vale do São Francisco, Nucleus of Biotechnology Applied to Ovarian Follicle Development, Federal University of Vale do São Francisco, Petrolina, PE 56300-990, Brazil.
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6
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Phillips PCA, de Sousa Loreto Aresta Branco M, Cliff CL, Ward JK, Squires PE, Hills CE. Targeting senescence to prevent diabetic kidney disease: Exploring molecular mechanisms and potential therapeutic targets for disease management. Diabet Med 2024:e15408. [PMID: 38995865 DOI: 10.1111/dme.15408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 06/27/2024] [Accepted: 06/28/2024] [Indexed: 07/14/2024]
Abstract
BACKGROUND/AIMS As a microvascular complication, diabetic kidney disease is the leading cause of chronic kidney disease and end-stage renal disease worldwide. While the underlying pathophysiology driving transition of diabetic kidney disease to renal failure is yet to be fully understood, recent studies suggest that cellular senescence is central in disease development and progression. Consequently, understanding the molecular mechanisms which initiate and drive senescence in response to the diabetic milieu is crucial in developing targeted therapies that halt progression of renal disease. METHODS To understand the mechanistic pathways underpinning cellular senescence in the context of diabetic kidney disease, we reviewed the literature using PubMed for English language articles that contained key words related to senescence, inflammation, fibrosis, senescence-associated secretory phenotype (SASP), autophagy, and diabetes. RESULTS Aberrant accumulation of metabolically active senescent cells is a notable event in the progression of diabetic kidney disease. Through autocrine- and paracrine-mediated mechanisms, resident senescent cells potentiate inflammation and fibrosis through increased expression and secretion of pro-inflammatory cytokines, chemoattractants, recruitment of immune cells, myofibroblast activation, and extracellular matrix remodelling. Compounds that eliminate senescent cells and/or target the SASP - including senolytic and senomorphics drugs - demonstrate promising results in reducing the senescent cell burden and associated pro-inflammatory effect. CONCLUSIONS Here we evidence the link between senescence and diabetic kidney disease and highlight underlying molecular mechanisms and potential therapeutic targets that could be exploited to delay disease progression and improve outcomes for individuals with the disease. Trials are now required to translate their therapeutic potential to a clinical setting.
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Affiliation(s)
| | | | | | - Joanna Kate Ward
- Joseph Banks Laboratories, College of Health and Science, Lincoln, UK
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Tang H, Luo N, Zhang X, Huang J, Yang Q, Lin H, Zhang X. Association between biological aging and diabetic retinopathy. Sci Rep 2024; 14:10123. [PMID: 38698194 PMCID: PMC11065862 DOI: 10.1038/s41598-024-60913-x] [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: 12/27/2023] [Accepted: 04/29/2024] [Indexed: 05/05/2024] Open
Abstract
The impact of aging on diabetic retinopathy (DR) remains underestimated. The current study aimed to investigate the association between biological aging and DR, in contrast to chronological age (CA). Using the National Health and Nutrition Survey data from 2005 to 2008. Biological aging was evaluated through the biological age (BA) and phenotypic age (PA), which were calculated from clinical markers. DR was identified in participants with diabetes mellitus (DM) when they exhibited one or more retinal microaneurysms or retinal blot hemorrhages under retinal imaging, with or without the presence of more severe lesions. Survey-weighted multivariable logistic regression was performed, and the regression model was further fitted using restricted cubic splines. The discriminatory capability and clinical utility of the model were evaluated using receiver operating characteristic (ROC) curves and decision curve analysis (DCA). Based on weighted analyses, of the 3100 participants included in this study, of which 162 had DR. In the adjusted model, BA (odds ratio [OR] = 1.12, 95% CI, 1.06-1.18) and PA (OR = 1.11, 95% CI, 1.07-1.14) were associated with DR, while CA was not significantly (OR = 1.01, 95% CI, 0.99-1.03). Narrowing the analysis to DM participants and adjusting for factors like insulin showed similar results. ROC and DCA analyses indicate that BA/PA predicted DR better than CA and offer greater clinical utility. The positive association between BA/PA and DR was consistent across subgroups despite potential interactions. Biological aging heightens DR risk, with BA/PA showing a stronger association than CA. Our findings underscored the importance of timely anti-aging interventions for preventing DR.
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Affiliation(s)
- Haoxian Tang
- Shantou University Medical College, Shantou, Guangdong, China
- Department of Cardiology, The First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China
| | - Nan Luo
- Shantou University Medical College, Shantou, Guangdong, China
- Department of Psychiatry, Shantou University Mental Health Center, Shantou, Guangdong, China
| | - Xuan Zhang
- Shantou University Medical College, Shantou, Guangdong, China
- Department of Bone and Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China
| | - Jingtao Huang
- Shantou University Medical College, Shantou, Guangdong, China
- Department of Sports Medicine and Rehabilitation, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China
| | - Qinglong Yang
- Shantou University Medical College, Shantou, Guangdong, China
- Department of Urology, The Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China
| | - Hanyuan Lin
- Shantou University Medical College, Shantou, Guangdong, China
- Department of Urology, The Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China
| | - Xinyi Zhang
- Department of Ophthalmology, The First Affiliated Hospital of Shantou University Medical College, No. 57 Changping Road, Shantou, 515041, Guangdong, China.
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Yang M, Liu Y, Luo SL, Liu CB, Jiang N, Li CR, Zhao H, Han YC, Chen W, Li L, Sun L. DsbA-L ameliorates renal aging and renal fibrosis by maintaining mitochondrial homeostasis. Acta Pharmacol Sin 2024; 45:777-789. [PMID: 38200148 PMCID: PMC10943083 DOI: 10.1038/s41401-023-01216-1] [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: 06/06/2023] [Accepted: 12/11/2023] [Indexed: 01/12/2024] Open
Abstract
Renal fibrosis is the final pathological change in renal disease, and aging is closely related to renal fibrosis. Mitochondrial dysfunction has been reported to play an important role in aging, but the exact mechanism remains unclear. Disulfide-bond A oxidoreductase-like protein (DsbA-L) is mainly located in mitochondria and plays an important role in regulating mitochondrial function and endoplasmic reticulum (ER) stress. However, the role of DsbA-L in renal aging has not been reported. In this study, we showed a reduction in DsbA-L expression, the disruption of mitochondrial function and an increase in fibrosis in the kidneys of 12- and 24-month-old mice compared to young mice. Furthermore, the deterioration of mitochondrial dysfunction and fibrosis were observed in DsbA-L-/- mice with D-gal-induced accelerated aging. Transcriptome analysis revealed a decrease in Flt4 expression and inhibition of the PI3K-AKT signaling pathway in DsbA-L-/- mice compared to control mice. Accelerated renal aging could be alleviated by an AKT agonist (SC79) or a mitochondrial protector (MitoQ) in mice with D-gal-induced aging. In vitro, overexpression of DsbA-L in HK-2 cells restored the expression of Flt4, AKT pathway factors, SP1 and PGC-1α and alleviated mitochondrial damage and cell senescence. These beneficial effects were partially blocked by inhibiting Flt4. Finally, activating the AKT pathway or improving mitochondrial function with chemical reagents could alleviate cell senescence. Our results indicate that the DsbA-L/AKT/PGC-1α signaling pathway could be a therapeutic target for age-related renal fibrosis and is associated with mitochondrial dysfunction.
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Affiliation(s)
- Ming Yang
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, 410011, China
- Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, 410011, China
| | - Yan Liu
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, 410011, China
- Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, 410011, China
| | - Shi-Lu Luo
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, 410011, China
- Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, 410011, China
| | - Chong-Bin Liu
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, 410011, China
- Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, 410011, China
| | - Na Jiang
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, 410011, China
- Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, 410011, China
| | - Chen-Rui Li
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, 410011, China
- Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, 410011, China
| | - Hao Zhao
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, 410011, China
- Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, 410011, China
| | - Ya-Chun Han
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, 410011, China
- Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, 410011, China
| | - Wei Chen
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, 410011, China
- Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, 410011, China
| | - Li Li
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, 410011, China
- Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, 410011, China
| | - Lin Sun
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, 410011, China.
- Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, 410011, China.
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Ramos‐Riera KP, Beltrán‐Parrazal L, Morgado‐Valle C, Pérez‐Severiano F, Martínez‐Gopar PE, López‐Meraz ML. Type 2 diabetes mellitus facilitates status epilepticus in adult rats: Seizure severity, neurodegeneration, and oxidative stress. Epilepsia Open 2024; 9:665-678. [PMID: 38321819 PMCID: PMC10984310 DOI: 10.1002/epi4.12905] [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: 11/03/2023] [Revised: 12/29/2023] [Accepted: 01/11/2024] [Indexed: 02/08/2024] Open
Abstract
OBJECTIVE The goal of this research was to evaluate the effect of DM type 2 (DM2) on SE severity, neurodegeneration, and brain oxidative stress (OS) secondary to seizures. METHODS DM2 was induced in postnatal day (P) 3 male rat pups by injecting streptozocin (STZ) 100 mg/kg; control rats were injected with citrate buffer as vehicle. At P90, SE was induced by the lithium-pilocarpine administration and seizure latency, frequency, and severity were evaluated. Neurodegeneration was assessed 24 h after SE by Fluoro-Jade B (F-JB) staining, whereas OS was estimated by measuring lipid peroxidation and reactive oxygen species (ROS). RESULTS DM2 rats showed an increase in latency to the first generalized seizure and SE onset, had a higher number and a longer duration of seizures, and displayed a larger neurodegeneration in the hippocampus (CA3, CA1, dentate gyrus, and hilus), the piriform cortex, the dorsomedial nucleus of the thalamus and the cortical amygdala. Our results also show that only SE, neither DM2 nor the combination of DM2 with SE, caused the increase in ROS and brain lipid peroxidation. SIGNIFICANCE DM2 causes higher seizure severity and neurodegeneration but did not exacerbate SE-induced OS under these conditions. PLAIN LANGUAGE SUMMARY Our research performed in animal models suggests that type 2 diabetes mellitus (DM2) may be a risk factor for causing higher seizure severity and seizure-induced neuron cell death. However, even when long-term seizures promote an imbalance between brain pro-oxidants and antioxidants, DM2 does not exacerbate that disproportion.
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Affiliation(s)
| | | | | | - Francisca Pérez‐Severiano
- Laboratorio de Neurofarmacología Molecular y NanotecnologíaInstituto Nacional de Neurología y Neurocirugía “Manuel Velasco Suárez”CDMXMexico
| | - Pablo Eliasib Martínez‐Gopar
- Laboratorio de Neurofarmacología Molecular y NanotecnologíaInstituto Nacional de Neurología y Neurocirugía “Manuel Velasco Suárez”CDMXMexico
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Mihanfar A, Akbarzadeh M, Ghazizadeh Darband S, Sadighparvar S, Majidinia M. SIRT1: a promising therapeutic target in type 2 diabetes mellitus. Arch Physiol Biochem 2024; 130:13-28. [PMID: 34379994 DOI: 10.1080/13813455.2021.1956976] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 07/13/2021] [Indexed: 01/07/2023]
Abstract
A significant increase in the worldwide incidence and prevalence of type 2 diabetic mellitus (T2DM) has elevated the need for studies on novel and effective therapeutic strategies. Sirtuin 1 (SIRT1) is an NAD + dependent protein deacetylase with a critical function in the regulation of glucose/lipid metabolism, insulin resistance, inflammation, oxidative stress, and mitochondrial function. SIRT1 is also involved in the regulation of insulin secretion from pancreatic β-cells and protecting these cells from inflammation and oxidative stress-mediated tissue damages. In this regard, major SIRT1 activators have been demonstrated to exert a beneficial impact in reversing T2DM-related complications including cardiomyopathy, nephropathy, retinopathy, and neuropathy, hence treating T2DM. Therefore, an accumulating number of recent studies have investigated the efficacy of targeting SIRT1 as a therapeutic strategy in T2DM. In this review we aimed to discuss the current understanding of the physiological and biological roles of SIRT1, then its implication in the pathogenesis of T2DM, and the therapeutic potential of SIRT1 in combating T2DM.
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Affiliation(s)
- Ainaz Mihanfar
- Department of Biochemistry, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, Iran
| | - Maryam Akbarzadeh
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | | | - Shirin Sadighparvar
- Neurophysiology Research Center, Urmia University of Medical Sciences, Urmia, Iran
| | - Maryam Majidinia
- Solid Tumor Research Center, Urmia University of Medical Sciences, Urmia, Iran
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11
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Wan M, Hu K, Lu Y, Wang C, Mao B, Yang Q, Zheng Z, Wu H, Luo Y, Maiti AK. Co-release of cytokines after drug-eluting stent implantation in acute myocardial infarction patients with PCI. Sci Rep 2024; 14:1236. [PMID: 38216681 PMCID: PMC10786845 DOI: 10.1038/s41598-024-51496-8] [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: 11/10/2023] [Accepted: 01/05/2024] [Indexed: 01/14/2024] Open
Abstract
Acute Myocardial Infarction (AMI) after Percutaneous Coronary Intervention (PCI) often requires stent implantation leading to cardiovascular injury and cytokine release. Stent implantation induces cytokines production including TNFα, Hs-CRP, IL-1ß, IL2 receptor, IL6, IL8, and IL10, but their co-release is not extensively established. In 311 PCI patients with Drug-Eluting Stent (DES) implantation, we statistically evaluate the correlation of these cytokines release in various clinical conditions, stent numbers, and medications. We observed that TNFα is moderately correlated with IL-1ß (r2 = 0.59, p = 0.001) in diabetic PCI patients. Similarly, in NSTEMI (Non-ST Segment Elevation) patients, TNFα is strongly correlated with both IL-1ß (r2 = 0.97, p = 0.001) and IL8 (r2 = 0.82, p = 0.001). In CAD (Coronary Artery Disease)-diagnosed patients TNFα is highly correlated (r2 = 0.84, p = 0.0001) with IL8 release but not with IL-1ß. In patients with an increased number of stents, Hs-CRP is significantly coupled with IL8 > 5 pg/ml (t-statistic = 4.5, p < 0.0001). Inflammatory suppressor drugs are correlated as TNFα and IL8 are better suppressed by Metoprolol 23.75 (r2 = 0.58, p < 0.0001) than by Metoprolol 11.87 (r2 = 0.80, p = 0.5306). Increased TNFα and IL-1ß are better suppressed by the antiplatelet drug Brilinta (r2 = 0.30, p < 0.0001) but not with Clopidogrel (r2 = 0.87, p < 0.0001). ACI/ARB Valsartan 80 (r2 = 0.43, p = 0.0011) should be preferred over Benazepril 5.0 (r2 = 0.9291, p < 0.0001) or Olmesartan (r2 = 0.90, p = 0.0001). Thus, the co-release of IL-1ß, IL8 with TNFα, or only IL8 with TNFα could be a better predictor for the outcome of stent implantation in NSTEMI and CAD-diagnosed AMI patients respectively. Cytokine suppressive medications should be chosen carefully to inhibit further cardiovascular damage.
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Affiliation(s)
- Minying Wan
- Department of Cardiology, Chongming Branch, Shanghai Tenth People's Hospital, The Affiliated Hospital of Tongji University, Shanghai, 202157, China.
| | - Kun Hu
- Department of Cardiology, Chongming Branch, Shanghai Tenth People's Hospital, The Affiliated Hospital of Tongji University, Shanghai, 202157, China.
| | - Yi Lu
- Department of Cardiology, Chongming Branch, Shanghai Tenth People's Hospital, The Affiliated Hospital of Tongji University, Shanghai, 202157, China.
| | - Cheng Wang
- Department of Cardiology, Chongming Branch, Shanghai Tenth People's Hospital, The Affiliated Hospital of Tongji University, Shanghai, 202157, China
| | - Bin Mao
- Department of Cardiology, Chongming Branch, Shanghai Tenth People's Hospital, The Affiliated Hospital of Tongji University, Shanghai, 202157, China
| | - Qing Yang
- Department of Cardiology, the First Affiliated Hospital of Nanchang University, Jiangxi, 330006, China
| | - Zhenzhong Zheng
- Department of Cardiology, the First Affiliated Hospital of Nanchang University, Jiangxi, 330006, China
| | - Hao Wu
- Vascular Biology Program, Department of Surgery, Boston Children's Hospital, Harvard Medical School, Boston, MA, 02115, USA
| | - Yihong Luo
- Department of Cardiology, Chongming Branch, Shanghai Tenth People's Hospital, The Affiliated Hospital of Tongji University, Shanghai, 202157, China.
| | - Amit K Maiti
- Department of Genetics and Genomics, 28475 Greenfield Rd, MydnavarSouthfield, MI, 48076, USA.
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12
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Molnár AÁ, Pásztor DT, Tarcza Z, Merkely B. Cells in Atherosclerosis: Focus on Cellular Senescence from Basic Science to Clinical Practice. Int J Mol Sci 2023; 24:17129. [PMID: 38138958 PMCID: PMC10743093 DOI: 10.3390/ijms242417129] [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: 10/27/2023] [Revised: 11/30/2023] [Accepted: 12/03/2023] [Indexed: 12/24/2023] Open
Abstract
Aging is a major risk factor of atherosclerosis through different complex pathways including replicative cellular senescence and age-related clonal hematopoiesis. In addition to aging, extracellular stress factors, such as mechanical and oxidative stress, can induce cellular senescence, defined as premature cellular senescence. Senescent cells can accumulate within atherosclerotic plaques over time and contribute to plaque instability. This review summarizes the role of cellular senescence in the complex pathophysiology of atherosclerosis and highlights the most important senotherapeutics tested in cardiovascular studies targeting senescence. Continued bench-to-bedside research in cellular senescence might allow the future implementation of new effective anti-atherosclerotic preventive and treatment strategies in clinical practice.
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Affiliation(s)
- Andrea Ágnes Molnár
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Hungary; (D.T.P.); (Z.T.); (B.M.)
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Teaney NA, Cyr NE. FoxO1 as a tissue-specific therapeutic target for type 2 diabetes. Front Endocrinol (Lausanne) 2023; 14:1286838. [PMID: 37941908 PMCID: PMC10629996 DOI: 10.3389/fendo.2023.1286838] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Accepted: 10/06/2023] [Indexed: 11/10/2023] Open
Abstract
Forkhead box O (FoxO) proteins are transcription factors that mediate many aspects of physiology and thus have been targeted as therapeutics for several diseases including metabolic disorders such as type 2 diabetes mellitus (T2D). The role of FoxO1 in metabolism has been well studied, but recently FoxO1's potential for diabetes prevention and therapy has been debated. For example, studies have shown that increased FoxO1 activity in certain tissue types contributes to T2D pathology, symptoms, and comorbidities, yet in other tissue types elevated FoxO1 has been reported to alleviate symptoms associated with diabetes. Furthermore, studies have reported opposite effects of active FoxO1 in the same tissue type. For example, in the liver, FoxO1 contributes to T2D by increasing hepatic glucose production. However, FoxO1 has been shown to either increase or decrease hepatic lipogenesis as well as adipogenesis in white adipose tissue. In skeletal muscle, FoxO1 reduces glucose uptake and oxidation, promotes lipid uptake and oxidation, and increases muscle atrophy. While many studies show that FoxO1 lowers pancreatic insulin production and secretion, others show the opposite, especially in response to oxidative stress and inflammation. Elevated FoxO1 in the hypothalamus increases the risk of developing T2D. However, increased FoxO1 may mitigate Alzheimer's disease, a neurodegenerative disease strongly associated with T2D. Conversely, accumulating evidence implicates increased FoxO1 with Parkinson's disease pathogenesis. Here we review FoxO1's actions in T2D conditions in metabolic tissues that abundantly express FoxO1 and highlight some of the current studies targeting FoxO1 for T2D treatment.
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Affiliation(s)
- Nicole A. Teaney
- Stonehill College, Neuroscience Program, Easton, MA, United States
| | - Nicole E. Cyr
- Stonehill College, Neuroscience Program, Easton, MA, United States
- Stonehill College, Department of Biology, Easton, MA, United States
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Liang G, He Z, Peng H, Zeng M, Zhang X. Cigarette smoke extract induces the senescence of endothelial progenitor cells by upregulating p300. Tob Induc Dis 2023; 21:122. [PMID: 37794858 PMCID: PMC10546488 DOI: 10.18332/tid/170581] [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: 05/03/2022] [Revised: 07/29/2023] [Accepted: 08/04/2023] [Indexed: 10/06/2023] Open
Abstract
INTRODUCTION Endothelial progenitor cells (EPCs) are the main source of endothelial cells. The senescence of EPCs is involved in the pathogenesis of chronic obstructive pulmonary disease (COPD). Cigarette smoke extract (CSE) can directly induce the dysfunction and increased expression of senescence-related markers in EPCs cultured in vitro. Histone acetyltransferase p300 is a transcriptional activator, and its changes can lead to cell senescence. The present study investigated whether CSE can induce the senescence of EPCs by upregulating p300. METHODS EPCs were isolated from bone marrow of C57BL/6J mice by density gradient centrifugation. The p300 inhibitor C646 and agonist CTPB were used to interfere with EPCs, cell cycle and apoptosis were detected by flow cytometry, the proportion of senile cells was counted by β-galactosidase staining, the protein expression of p300, H4K12, Cyclin D1, TERT and Ki67 were detected by western blot. RESULTS Compared with the control group, the cell cycle of CSE group and CTPB group were blocked, the apoptosis rate and early apoptosis rate were increased, the proportion of senile cells counted by β-galactosidase staining was increased, the expression of p300 and H4K12 protein were increased, the expression of Cyclin D1, TERT and Ki67 protein were decreased. C646 could partly alleviate the damages caused by CSE. CONCLUSIONS CSE may promote the apoptosis and senescence of EPCs by upregulating the expression of p300 and H4K12 protein, thus preventing the transition of EPCs from G1 phase to S phase, affecting telomerase synthesis, and reducing EPCs proliferation.
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Affiliation(s)
- Guibin Liang
- Department of Critical Care Medicine, the Third Xiangya Hospital, Central South University, Changsha, China
| | - Zhihui He
- Department of Critical Care Medicine, the Third Xiangya Hospital, Central South University, Changsha, China
| | - Huaihuai Peng
- Department of Critical Care Medicine, the Second Xiangya Hospital, Central South University, Changsha, China
| | - Menghao Zeng
- Department of Critical Care Medicine, the Third Xiangya Hospital, Central South University, Changsha, China
| | - Xuefeng Zhang
- Department of Critical Care Medicine, the Third Xiangya Hospital, Central South University, Changsha, China
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15
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Chirumbolo S, Bertossi D, Magistretti P. Insights on the role of L-lactate as a signaling molecule in skin aging. Biogerontology 2023; 24:709-726. [PMID: 36708434 PMCID: PMC9883612 DOI: 10.1007/s10522-023-10018-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 01/17/2023] [Indexed: 01/29/2023]
Abstract
L-lactate is a catabolite from the anaerobic metabolism of glucose, which plays a paramount role as a signaling molecule in various steps of the cell survival. Its activity, as a master tuner of many mechanisms underlying the aging process, for example in the skin, is still presumptive, however its crucial position in the complex cross-talk between mitochondria and the process of cell survival, should suggest that L-lactate may be not a simple waste product but a fine regulator of the aging/survival machinery, probably via mito-hormesis. Actually, emerging evidence is highlighting that ROS are crucial in the signaling of skin health, including mechanisms underlying wound repair, renewal and aging. The ROS, including superoxide anion, hydrogen peroxide, and nitric oxide, play both beneficial and detrimental roles depending upon their levels and cellular microenvironment. Physiological ROS levels are essential for cutaneous health and the wound repair process. Aberrant redox signaling activity drives chronic skin disease in elderly. On the contrary, impaired redox modulation, due to enhanced ROS generation and/or reduced levels of antioxidant defense, suppresses wound healing via promoting lymphatic/vascular endothelial cell apoptosis and death. This review tries to elucidate this issue.
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Affiliation(s)
- Salvatore Chirumbolo
- Department of Neurosciences, Biomedicine and Movement Sciences, Unit of Human Anatomy, University of Verona, Strada Le Grazie 8, 37134, Verona, Italy.
| | - Dario Bertossi
- Department of Surgery, Dentistry, Paediatrics and Gynaecology-Unit of Maxillo-Facial Surgery, University of Verona, Verona, Italy
| | - Pierre Magistretti
- Biological and Environmental Sciences and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955, Saudi Arabia
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16
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Ran Q, Tian H, Lin J, Wang H, Wang B, Chen Z, Song D, Gong C. Mesenchymal Stem Cell-Derived Exosomes: A Novel Approach to Diabetes-Associated Cognitive Impairment. J Inflamm Res 2023; 16:4213-4228. [PMID: 37753267 PMCID: PMC10519429 DOI: 10.2147/jir.s429532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 09/12/2023] [Indexed: 09/28/2023] Open
Abstract
The progression of diabetes frequently results in a myriad of neurological disorders, including ischemic stroke, depression, blood-brain barrier impairment, and cognitive dysfunction. Notably, diabetes-associated cognitive impairment, a prevalent comorbidity during the course of diabetes, progressively affects patients' cognitive abilities and may reciprocally influence diabetes management, thereby severely impacting patients' quality of life. Extracellular vesicles, particularly nanoscale exosomes, have garnered considerable attention in recent years. These exosomes carry and transfer various functional molecules, such as proteins, lipids, and diverse non-coding RNAs, serving as novel regulators and communicators in intercellular interactions. Of particular interest, mesenchymal stem cell-derived exosomes (MSC-Exos) have been reported to traverse the blood-brain barrier and ameliorate intracerebral pathologies. This review elucidates the role of MSC-Exos in diabetes-related cognitive impairment, with a focus on their applications as biomarkers, modulation of neuronal regeneration and synaptic plasticity, anti-inflammatory properties, antioxidative effects, and their involvement in regulating the functionality of β-amyloid proteins during the course of cognitive impairment. The immense therapeutic potential of MSC-Exos in the treatment of diabetes-induced cognitive dysfunction is emphasized.
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Affiliation(s)
- Qingsen Ran
- Department of Science and Education, Shenzhen Pingle Orthopedic Hospital (Shenzhen Pingshan Traditional Chinese Medicine Hospital), Shenzhen, Guangzhou Province, 518118, People’s Republic of China
| | - He Tian
- Department of Science and Education, Shenzhen Pingle Orthopedic Hospital (Shenzhen Pingshan Traditional Chinese Medicine Hospital), Shenzhen, Guangzhou Province, 518118, People’s Republic of China
| | - Jian Lin
- Department of Science and Education, Shenzhen Pingle Orthopedic Hospital (Shenzhen Pingshan Traditional Chinese Medicine Hospital), Shenzhen, Guangzhou Province, 518118, People’s Republic of China
| | - Han Wang
- Department of Gastroenterology, Affiliated Hospital of Changchun University of Chinese Medicine, Changchun, Jilin Province, 130021, People’s Republic of China
| | - Bo Wang
- Department of Science and Education, Shenzhen Pingle Orthopedic Hospital (Shenzhen Pingshan Traditional Chinese Medicine Hospital), Shenzhen, Guangzhou Province, 518118, People’s Republic of China
| | - Zhixin Chen
- Department of Science and Education, Shenzhen Pingle Orthopedic Hospital (Shenzhen Pingshan Traditional Chinese Medicine Hospital), Shenzhen, Guangzhou Province, 518118, People’s Republic of China
| | - Da Song
- Department of Science and Education, Shenzhen Pingle Orthopedic Hospital (Shenzhen Pingshan Traditional Chinese Medicine Hospital), Shenzhen, Guangzhou Province, 518118, People’s Republic of China
| | - Chunzhu Gong
- Department of Science and Education, Shenzhen Pingle Orthopedic Hospital (Shenzhen Pingshan Traditional Chinese Medicine Hospital), Shenzhen, Guangzhou Province, 518118, People’s Republic of China
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17
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Jain A, Casanova D, Padilla AV, Paniagua Bojorges A, Kotla S, Ko KA, Samanthapudi VSK, Chau K, Nguyen MTH, Wen J, Hernandez Gonzalez SL, Rodgers SP, Olmsted-Davis EA, Hamilton DJ, Reyes-Gibby C, Yeung SCJ, Cooke JP, Herrmann J, Chini EN, Xu X, Yusuf SW, Yoshimoto M, Lorenzi PL, Hobbs B, Krishnan S, Koutroumpakis E, Palaskas NL, Wang G, Deswal A, Lin SH, Abe JI, Le NT. Premature senescence and cardiovascular disease following cancer treatments: mechanistic insights. Front Cardiovasc Med 2023; 10:1212174. [PMID: 37781317 PMCID: PMC10540075 DOI: 10.3389/fcvm.2023.1212174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 08/03/2023] [Indexed: 10/03/2023] Open
Abstract
Cardiovascular disease (CVD) is a leading cause of morbidity and mortality, especially among the aging population. The "response-to-injury" model proposed by Dr. Russell Ross in 1999 emphasizes inflammation as a critical factor in atherosclerosis development, with atherosclerotic plaques forming due to endothelial cell (EC) injury, followed by myeloid cell adhesion and invasion into the blood vessel walls. Recent evidence indicates that cancer and its treatments can lead to long-term complications, including CVD. Cellular senescence, a hallmark of aging, is implicated in CVD pathogenesis, particularly in cancer survivors. However, the precise mechanisms linking premature senescence to CVD in cancer survivors remain poorly understood. This article aims to provide mechanistic insights into this association and propose future directions to better comprehend this complex interplay.
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Affiliation(s)
- Ashita Jain
- Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Diego Casanova
- Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | | | | | - Sivareddy Kotla
- Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Kyung Ae Ko
- Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | | | - Khanh Chau
- Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, TX, United States
| | - Minh T. H. Nguyen
- Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, TX, United States
| | - Jake Wen
- Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | | | - Shaefali P. Rodgers
- Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, TX, United States
| | | | - Dale J. Hamilton
- Department of Medicine, Center for Bioenergetics, Houston Methodist Research Institute, Houston, TX, United States
| | - Cielito Reyes-Gibby
- Department of Emergency Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Sai-Ching J. Yeung
- Department of Emergency Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - John P. Cooke
- Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, TX, United States
| | - Joerg Herrmann
- Cardio Oncology Clinic, Division of Preventive Cardiology, Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, United States
| | - Eduardo N. Chini
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Jacksonville, FL, United States
| | - Xiaolei Xu
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, United States
| | - Syed Wamique Yusuf
- Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Momoko Yoshimoto
- Center for Stem Cell & Regenerative Medicine, The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Philip L. Lorenzi
- Department of Bioinformatics and Computational Biology, Division of VP Research, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Brain Hobbs
- Department of Population Health, The University of Texas at Austin, Austin, TX, United States
| | - Sunil Krishnan
- Department of Neurosurgery, The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Efstratios Koutroumpakis
- Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Nicolas L. Palaskas
- Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Guangyu Wang
- Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, TX, United States
| | - Anita Deswal
- Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Steven H. Lin
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Jun-ichi Abe
- Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Nhat-Tu Le
- Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, TX, United States
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18
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Pramotton FM, Abukar A, Hudson C, Dunbar J, Potterton A, Tonnicchia S, Taddei A, Mazza E, Giampietro C. DYRK1B inhibition exerts senolytic effects on endothelial cells and rescues endothelial dysfunctions. Mech Ageing Dev 2023; 213:111836. [PMID: 37301518 DOI: 10.1016/j.mad.2023.111836] [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: 12/12/2022] [Revised: 05/15/2023] [Accepted: 06/06/2023] [Indexed: 06/12/2023]
Abstract
Aging is the major risk factor for chronic disease development. Cellular senescence is a key mechanism that triggers or contributes to age-related phenotypes and pathologies. The endothelium, a single layer of cells lining the inner surface of a blood vessel, is a critical interface between blood and all tissues. Many studies report a link between endothelial cell senescence, inflammation, and diabetic vascular diseases. Here we identify, using combined advanced AI and machine learning, the Dual Specificity Tyrosine Phosphorylation Regulated Kinase 1B (DYRK1B) protein as a possible senolytic target for senescent endothelial cells. We demonstrate that upon induction of senescence in vitro DYRK1B expression is increased in endothelial cells and localized at adherens junctions where it impairs their proper organization and functions. DYRK1B knock-down or inhibition restores endothelial barrier properties and collective behavior. DYRK1B is therefore a possible target to counteract diabetes-associated vascular diseases linked to endothelial cell senescence.
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Affiliation(s)
- Francesca M Pramotton
- Swiss Federal Laboratories for Materials Science and Technology (EMPA), Dübendorf 8600, Switzerland; Department of Mechanical and Process Engineering, ETH Zurich, Zurich 8092, Switzerland
| | - Asra Abukar
- Department of Mechanical and Process Engineering, ETH Zurich, Zurich 8092, Switzerland; Senecell AG, Zurich 8057, Switzerland
| | | | | | | | - Simone Tonnicchia
- Swiss Federal Laboratories for Materials Science and Technology (EMPA), Dübendorf 8600, Switzerland; Department of Mechanical and Process Engineering, ETH Zurich, Zurich 8092, Switzerland
| | | | - Edoardo Mazza
- Swiss Federal Laboratories for Materials Science and Technology (EMPA), Dübendorf 8600, Switzerland; Department of Mechanical and Process Engineering, ETH Zurich, Zurich 8092, Switzerland
| | - Costanza Giampietro
- Swiss Federal Laboratories for Materials Science and Technology (EMPA), Dübendorf 8600, Switzerland; Department of Mechanical and Process Engineering, ETH Zurich, Zurich 8092, Switzerland; Senecell AG, Zurich 8057, Switzerland.
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19
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Xie K, Yang Q, Yan Z, Gao X, Huang X, Wang P, Li J, Li J, Wang Z, Gao Y, Gun S. Overexpression of SIRT1 alleviates oxidative damage and barrier dysfunction in CPB2 toxin-infected IPEC-J2 cells. Microb Pathog 2023:106181. [PMID: 37276895 DOI: 10.1016/j.micpath.2023.106181] [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: 02/02/2023] [Revised: 05/27/2023] [Accepted: 05/28/2023] [Indexed: 06/07/2023]
Abstract
Clostridium perfringens (C. perfringens) beta2 (CPB2) toxin may induce necrotizing enteritis (NE) in pigs. Sirtuin1 (SIRT1) is involved in inflammatory intestinal diseases and affects intestinal barrier function. However, the effects of SIRT1 on piglet intestinal disease caused by CPB2 toxin are unclear. This study revealed the role of pig SIRT1 in CPB2 toxin-exposed intestinal porcine epithelial cells (IPEC-J2). Herein, we manifested that SIRT1 was dramatically decreased in IPEC-J2 cells infected with CPB2 toxin. Subsequently, we silenced and overexpressed SIRT1 using siRNA and a overexpression vector in CPB2 toxin-treated IPEC-J2 cells. The results indicated that overexpression of SIRT1 suppressed reactive oxygen species (ROS) generates, the expression tumor necrosis factor-α (TNF-α), interleukin (IL)-6 and Bax, nuclear factor-kappa B (NF-κB p65), phospho (p)-NF-kB p65 and lactate dehydrogenase (LDH) activity and apoptosis in CPB2 toxin-treated IPEC-J2 cells, and increased IL-10, mitochondrial membrane potential (ΔΨm), Bcl-2, Claudin1 and Occludin levels and cell viability. These results indicated that SIRT1 protects IPEC-J2 cells against CPB2 toxin-induced oxidative damage and tight junction (TJ) disruption, which provides a theoretical basis for further study of the molecular regulatory mechanism of SIRT1 in C. perfringens-infected NE in piglets.
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Affiliation(s)
- Kaihui Xie
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, 730070, China
| | - Qiaoli Yang
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, 730070, China
| | - Zunqiang Yan
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, 730070, China
| | - Xiaoli Gao
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, 730070, China
| | - Xiaoyu Huang
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, 730070, China
| | - Pengfei Wang
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, 730070, China
| | - Jie Li
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, 730070, China
| | - Jiyou Li
- Gansu General Station of Animal Husbandry Technology Extension, Lanzhou, 730070, China
| | - Zike Wang
- Gansu General Station of Animal Husbandry Technology Extension, Lanzhou, 730070, China
| | - Yi Gao
- Jilin Rongtai Agricultural Development Co, Ltd, Changchun, Jilin, 130507, China
| | - Shuangbao Gun
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, 730070, China; Gansu Research Center for Swine Production Engineering and Technology, Lanzhou, 730070, China.
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Suda M, Paul KH, Minamino T, Miller JD, Lerman A, Ellison-Hughes GM, Tchkonia T, Kirkland JL. Senescent Cells: A Therapeutic Target in Cardiovascular Diseases. Cells 2023; 12:1296. [PMID: 37174697 PMCID: PMC10177324 DOI: 10.3390/cells12091296] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 04/27/2023] [Accepted: 04/29/2023] [Indexed: 05/15/2023] Open
Abstract
Senescent cell accumulation has been observed in age-associated diseases including cardiovascular diseases. Senescent cells lack proliferative capacity and secrete senescence-associated secretory phenotype (SASP) factors that may cause or worsen many cardiovascular diseases. Therapies targeting senescent cells, especially senolytic drugs that selectively induce senescent cell removal, have been shown to delay, prevent, alleviate, or treat multiple age-associated diseases in preclinical models. Some senolytic clinical trials have already been completed or are underway for a number of diseases and geriatric syndromes. Understanding how cellular senescence affects the various cell types in the cardiovascular system, such as endothelial cells, vascular smooth muscle cells, fibroblasts, immune cells, progenitor cells, and cardiomyocytes, is important to facilitate translation of senotherapeutics into clinical interventions. This review highlights: (1) the characteristics of senescent cells and their involvement in cardiovascular diseases, focusing on the aforementioned cardiovascular cell types, (2) evidence about senolytic drugs and other senotherapeutics, and (3) the future path and clinical potential of senotherapeutics for cardiovascular diseases.
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Affiliation(s)
- Masayoshi Suda
- Department of Physiology and Biomedical Engineering, Mayo Clinic, 200 First St., S.W., Rochester, MN 55905, USA
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 3-1-3 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Karl H. Paul
- Department of Physiology and Biomedical Engineering, Mayo Clinic, 200 First St., S.W., Rochester, MN 55905, USA
- Department of Physiology and Pharmacology, Karolinska Institutet, Solnavägen 9, 171 65 Solna, Sweden
| | - Tohru Minamino
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, 3-1-3 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
- Japan Agency for Medical Research and Development-Core Research for Evolutionary Medical Science and Technology (AMED-CREST), Japan Agency for Medical Research and Development, Tokyo 100-0004, Japan
| | - Jordan D. Miller
- Division of Cardiovascular Surgery, Mayo Clinic College of Medicine, 200 First St., S.W., Rochester, MN 55905, USA
| | - Amir Lerman
- Department of Cardiovascular Medicine, Mayo Clinic, 200 First St., S.W., Rochester, MN 55905, USA
| | - Georgina M. Ellison-Hughes
- Centre for Human and Applied Physiological Sciences, School of Basic and Medical Biosciences, Faculty of Life Sciences & Medicine, Guy’s Campus, King’s College London, London SE1 1UL, UK
- Centre for Stem Cells and Regenerative Medicine, School of Basic and Medical Biosciences, Faculty of Life Sciences & Medicine, Guy’s Campus, King’s College London, London SE1 1UL, UK
| | - Tamar Tchkonia
- Department of Physiology and Biomedical Engineering, Mayo Clinic, 200 First St., S.W., Rochester, MN 55905, USA
| | - James L. Kirkland
- Department of Physiology and Biomedical Engineering, Mayo Clinic, 200 First St., S.W., Rochester, MN 55905, USA
- Division of General Internal Medicine, Department of Medicine, Mayo Clinic, 200 First St., S.W., Rochester, MN 55905, USA
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21
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Chen HH, Zhang YX, Lv JL, Liu YY, Guo JY, Zhao L, Nan YX, Wu QJ, Zhao YH. Role of sirtuins in metabolic disease-related renal injury. Biomed Pharmacother 2023; 161:114417. [PMID: 36812714 DOI: 10.1016/j.biopha.2023.114417] [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: 12/05/2022] [Revised: 02/08/2023] [Accepted: 02/16/2023] [Indexed: 02/22/2023] Open
Abstract
Poor control of metabolic diseases induces kidney injury, resulting in microalbuminuria, renal insufficiency and, ultimately, chronic kidney disease. The potential pathogenetic mechanisms of renal injury caused by metabolic diseases remain unclear. Tubular cells and podocytes of the kidney show high expression of histone deacetylases known as sirtuins (SIRT1-7). Available evidence has shown that SIRTs participate in pathogenic processes of renal disorders caused by metabolic diseases. The present review addresses the regulatory roles of SIRTs and their implications for the initiation and development of kidney damage due to metabolic diseases. SIRTs are commonly dysregulated in renal disorders induced by metabolic diseases such as hypertensive nephropathy and diabetic nephropathy. This dysregulation is associated with disease progression. Previous literature has also suggested that abnormal expression of SIRTs affects cellular biology, such as oxidative stress, metabolism, inflammation, and apoptosis of renal cells, resulting in the promotion of invasive diseases. This literature reviews the research progress made in understanding the roles of dysregulated SIRTs in the pathogenesis of metabolic disease-related kidney disorders and describes the potential of SIRTs serve as biomarkers for early screening and diagnosis of these diseases and as therapeutic targets for their treatment.
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Affiliation(s)
- Huan-Huan Chen
- Department of Oncology, Shengjing Hospital of China Medical University, No. 36, San Hao Street, Shenyang, Liaoning 110004, China; Liaoning Key Laboratory of Precision Medical Research on Major Chronic Disease, Shengjing Hospital of China Medical University, No. 36, San Hao Street, Shenyang, Liaoning 110004, China; Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, No. 36, San Hao Street, Shenyang, Liaoning 110004, China.
| | - Yi-Xiao Zhang
- Liaoning Key Laboratory of Precision Medical Research on Major Chronic Disease, Shengjing Hospital of China Medical University, No. 36, San Hao Street, Shenyang, Liaoning 110004, China; Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, No. 36, San Hao Street, Shenyang, Liaoning 110004, China; Department of Urology, Shengjing Hospital of China Medical University, No. 36, San Hao Street, Shenyang, Liaoning 110004, China.
| | - Jia-Le Lv
- Liaoning Key Laboratory of Precision Medical Research on Major Chronic Disease, Shengjing Hospital of China Medical University, No. 36, San Hao Street, Shenyang, Liaoning 110004, China; Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, No. 36, San Hao Street, Shenyang, Liaoning 110004, China; Clinical Research Center, Shengjing Hospital of China Medical University, No. 36, San Hao Street, Shenyang, Liaoning 110004, China.
| | - Yu-Yang Liu
- Liaoning Key Laboratory of Precision Medical Research on Major Chronic Disease, Shengjing Hospital of China Medical University, No. 36, San Hao Street, Shenyang, Liaoning 110004, China; Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, No. 36, San Hao Street, Shenyang, Liaoning 110004, China; Clinical Research Center, Shengjing Hospital of China Medical University, No. 36, San Hao Street, Shenyang, Liaoning 110004, China.
| | - Jing-Yi Guo
- Liaoning Key Laboratory of Precision Medical Research on Major Chronic Disease, Shengjing Hospital of China Medical University, No. 36, San Hao Street, Shenyang, Liaoning 110004, China; Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, No. 36, San Hao Street, Shenyang, Liaoning 110004, China; Clinical Research Center, Shengjing Hospital of China Medical University, No. 36, San Hao Street, Shenyang, Liaoning 110004, China.
| | - Lu Zhao
- Liaoning Key Laboratory of Precision Medical Research on Major Chronic Disease, Shengjing Hospital of China Medical University, No. 36, San Hao Street, Shenyang, Liaoning 110004, China; Clinical Research Center, Shengjing Hospital of China Medical University, No. 36, San Hao Street, Shenyang, Liaoning 110004, China.
| | - Yu-Xin Nan
- Liaoning Key Laboratory of Precision Medical Research on Major Chronic Disease, Shengjing Hospital of China Medical University, No. 36, San Hao Street, Shenyang, Liaoning 110004, China; Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, No. 36, San Hao Street, Shenyang, Liaoning 110004, China; Clinical Research Center, Shengjing Hospital of China Medical University, No. 36, San Hao Street, Shenyang, Liaoning 110004, China.
| | - Qi-Jun Wu
- Liaoning Key Laboratory of Precision Medical Research on Major Chronic Disease, Shengjing Hospital of China Medical University, No. 36, San Hao Street, Shenyang, Liaoning 110004, China; Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, No. 36, San Hao Street, Shenyang, Liaoning 110004, China; Clinical Research Center, Shengjing Hospital of China Medical University, No. 36, San Hao Street, Shenyang, Liaoning 110004, China; Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, No. 36, San Hao Street, Shenyang, Liaoning 110004, China.
| | - Yu-Hong Zhao
- Liaoning Key Laboratory of Precision Medical Research on Major Chronic Disease, Shengjing Hospital of China Medical University, No. 36, San Hao Street, Shenyang, Liaoning 110004, China; Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, No. 36, San Hao Street, Shenyang, Liaoning 110004, China; Clinical Research Center, Shengjing Hospital of China Medical University, No. 36, San Hao Street, Shenyang, Liaoning 110004, China.
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22
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Di Pietrantonio N, Di Tomo P, Mandatori D, Formoso G, Pandolfi A. Diabetes and Its Cardiovascular Complications: Potential Role of the Acetyltransferase p300. Cells 2023; 12:431. [PMID: 36766773 PMCID: PMC9914144 DOI: 10.3390/cells12030431] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/17/2023] [Accepted: 01/24/2023] [Indexed: 01/31/2023] Open
Abstract
Diabetes has been shown to accelerate vascular senescence, which is associated with chronic inflammation and oxidative stress, both implicated in the development of endothelial dysfunction. This condition represents the initial alteration linking diabetes to related cardiovascular (CV) complications. Recently, it has been hypothesised that the acetyltransferase, p300, may contribute to establishing an early vascular senescent phenotype, playing a relevant role in diabetes-associated inflammation and oxidative stress, which drive endothelial dysfunction. Specifically, p300 can modulate vascular inflammation through epigenetic mechanisms and transcription factors acetylation. Indeed, it regulates the inflammatory pathway by interacting with nuclear factor kappa-light-chain-enhancer of activated B cells p65 subunit (NF-κB p65) or by inducing its acetylation, suggesting a crucial role of p300 as a bridge between NF-κB p65 and the transcriptional machinery. Additionally, p300-mediated epigenetic modifications could be upstream of the activation of inflammatory cytokines, and they may induce oxidative stress by affecting the production of reactive oxygen species (ROS). Because several in vitro and in vivo studies shed light on the potential use of acetyltransferase inhibitors, a better understanding of the mechanisms underlying the role of p300 in diabetic vascular dysfunction could help in finding new strategies for the clinical management of CV diseases related to diabetes.
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Affiliation(s)
- Nadia Di Pietrantonio
- Department of Medical, Oral and Biotechnological Sciences, Center for Advanced Studies and Technology-CAST, University G. D’Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Pamela Di Tomo
- Department of Medical, Oral and Biotechnological Sciences, Center for Advanced Studies and Technology-CAST, University G. D’Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Domitilla Mandatori
- Department of Medical, Oral and Biotechnological Sciences, Center for Advanced Studies and Technology-CAST, University G. D’Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Gloria Formoso
- Department of Medicine and Aging Sciences, Center for Advanced Studies and Technology-CAST, University G. D’Annunzio of Chieti-Pescara, 66100 Chieti, Italy
| | - Assunta Pandolfi
- Department of Medical, Oral and Biotechnological Sciences, Center for Advanced Studies and Technology-CAST, University G. D’Annunzio of Chieti-Pescara, 66100 Chieti, Italy
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23
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Bloom SI, Islam MT, Lesniewski LA, Donato AJ. Mechanisms and consequences of endothelial cell senescence. Nat Rev Cardiol 2023; 20:38-51. [PMID: 35853997 PMCID: PMC10026597 DOI: 10.1038/s41569-022-00739-0] [Citation(s) in RCA: 95] [Impact Index Per Article: 95.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/13/2022] [Indexed: 12/15/2022]
Abstract
Endothelial cells are located at the crucial interface between circulating blood and semi-solid tissues and have many important roles in maintaining systemic physiological function. The vascular endothelium is particularly susceptible to pathogenic stimuli that activate tumour suppressor pathways leading to cellular senescence. We now understand that senescent endothelial cells are highly active, secretory and pro-inflammatory, and have an aberrant morphological phenotype. Moreover, endothelial senescence has been identified as an important contributor to various cardiovascular and metabolic diseases. In this Review, we discuss the consequences of endothelial cell exposure to damaging stimuli (haemodynamic forces and circulating and endothelial-derived factors) and the cellular and molecular mechanisms that induce endothelial cell senescence. We also discuss how endothelial cell senescence causes arterial dysfunction and contributes to clinical cardiovascular diseases and metabolic disorders. Finally, we summarize the latest evidence on the effect of eliminating senescent endothelial cells (senolysis) and identify important remaining questions to be addressed in future studies.
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Affiliation(s)
- Samuel I Bloom
- Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, UT, USA
| | - Md Torikul Islam
- Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, UT, USA
| | - Lisa A Lesniewski
- Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, UT, USA
- Department of Internal Medicine, Division of Geriatrics, University of Utah, Salt Lake City, UT, USA
- Veterans Affairs Medical Center-Salt Lake City, Geriatric Research Education and Clinical Center, Salt Lake City, UT, USA
| | - Anthony J Donato
- Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, UT, USA.
- Department of Internal Medicine, Division of Geriatrics, University of Utah, Salt Lake City, UT, USA.
- Veterans Affairs Medical Center-Salt Lake City, Geriatric Research Education and Clinical Center, Salt Lake City, UT, USA.
- Department of Biochemistry, University of Utah, Salt Lake City, UT, USA.
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24
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Morevati M, Fang EF, Mace ML, Kanbay M, Gravesen E, Nordholm A, Egstrand S, Hornum M. Roles of NAD + in Acute and Chronic Kidney Diseases. Int J Mol Sci 2022; 24:ijms24010137. [PMID: 36613582 PMCID: PMC9820289 DOI: 10.3390/ijms24010137] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 12/08/2022] [Accepted: 12/13/2022] [Indexed: 12/24/2022] Open
Abstract
Nicotinamide adenine dinucleotide (oxidized form, NAD+) is a critical coenzyme, with functions ranging from redox reactions and energy metabolism in mitochondrial respiration and oxidative phosphorylation to being a central player in multiple cellular signaling pathways, organ resilience, health, and longevity. Many of its cellular functions are executed via serving as a co-substrate for sirtuins (SIRTs), poly (ADP-ribose) polymerases (PARPs), and CD38. Kidney damage and diseases are common in the general population, especially in elderly persons and diabetic patients. While NAD+ is reduced in acute kidney injury (AKI) and chronic kidney disease (CKD), mounting evidence indicates that NAD+ augmentation is beneficial to AKI, although conflicting results exist for cases of CKD. Here, we review recent progress in the field of NAD+, mainly focusing on compromised NAD+ levels in AKI and its effect on essential cellular pathways, such as mitochondrial dysfunction, compromised autophagy, and low expression of the aging biomarker αKlotho (Klotho) in the kidney. We also review the compromised NAD+ levels in renal fibrosis and senescence cells in the case of CKD. As there is an urgent need for more effective treatments for patients with injured kidneys, further studies on NAD+ in relation to AKI/CKD may shed light on novel therapeutics.
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Affiliation(s)
- Marya Morevati
- Department of Nephrology, Rigshospitalet, University of Copenhagen, 2100 Copenhagen, Denmark
- Correspondence:
| | - Evandro Fei Fang
- Department of Clinical Molecular Biology, University of Oslo and Akershus University Hospital, 1478 Lørenskog, Norway
| | - Maria L. Mace
- Department of Nephrology, Rigshospitalet, University of Copenhagen, 2100 Copenhagen, Denmark
| | - Mehmet Kanbay
- Division of Nephrology, Department of Medicine, Koç University School of Medicine, Istanbul 34010, Turkey
| | - Eva Gravesen
- Department of Pathology, Herlev Hospital, University of Copenhagen, 2730 Copenhagen, Denmark
| | - Anders Nordholm
- Department of Nephrology, Rigshospitalet, University of Copenhagen, 2100 Copenhagen, Denmark
| | - Søren Egstrand
- Department of Nephrology, Rigshospitalet, University of Copenhagen, 2100 Copenhagen, Denmark
| | - Mads Hornum
- Department of Nephrology, Rigshospitalet, University of Copenhagen, 2100 Copenhagen, Denmark
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25
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Wei Y, Yu N, Wang Z, Hao Y, Wang Z, Yang Z, Liu J, Wang J. Analysis of the multi-physiological and functional mechanism of wheat alkylresorcinols based on reverse molecular docking and network pharmacology. Food Funct 2022; 13:9091-9107. [PMID: 35943408 DOI: 10.1039/d2fo01438f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
Abstract
Alkylresorcinols (ARs) are phenolic lipids present in the bran part of whole grain wheat and rye, which possess antioxidant, anti-inflammatory, anti-cancer and anti-tumor properties. The physiological activities of ARs have been proven to be diverse; however, the specific molecular mechanisms are still unclear. In this study, reverse virtual screening and network pharmacology were used to explore the potential molecular mechanisms of the physiological function of ARs and their endogenous metabolites. The Metascape database was used for GO enrichment and KEGG pathway analysis. Furthermore, molecular docking was used to investigate the interactions between active compounds and potential targets. The results showed that the bioavailability of most ARs and their endogenous metabolites was 0.55 and 0.56, while the bioavailability of certain endogenous metabolites was only 0.11. Multiplex analysis was used to screen 73 important targets and 4 core targets (namely, HSP90AA1, EP300, HSP90AB1 and ERBB2) out of the 163 initial targets. The important targets involved in the key KEGG pathway were pathways in cancer (hsa05200), lipid and atherosclerosis (hsa05417), Th17 cell differentiation (hsa04659), chemical carcinogenesis-receptor activation (hsa05207), and prostate cancer (hsa05215). The compounds involved in the core targets were AR-C21, AR-C19, AR-C17, 3,5-DHPHTA-S, 3,5-DHPHTA-G, 3,5-DHPPTA, 3,5-DHPPTA-S, 3,5-DHPPTA-G, 3,5-DHPPTA-Gly and 3,5-DHPPA-G. The interaction force between them was mainly related to hydrogen bonds and van der Waals. Overall, the physiological activities of ARs are not only related to their multiple targets, but may also be related to the synergistic effect of their endogenous metabolites.
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Affiliation(s)
- Yulong Wei
- China-Canada Joint Lab of Food Nutrition and Health (Beijing), Beijing Technology & Business University (BTBU), Beijing 100048, China.
| | - Ning Yu
- Chinese Academy of Inspection and Quarantine, Beijing 100176, China
| | - Ziyuan Wang
- China-Canada Joint Lab of Food Nutrition and Health (Beijing), Beijing Technology & Business University (BTBU), Beijing 100048, China.
| | - Yiming Hao
- China-Canada Joint Lab of Food Nutrition and Health (Beijing), Beijing Technology & Business University (BTBU), Beijing 100048, China.
| | - Zongwei Wang
- China-Canada Joint Lab of Food Nutrition and Health (Beijing), Beijing Technology & Business University (BTBU), Beijing 100048, China.
| | - Zihui Yang
- China-Canada Joint Lab of Food Nutrition and Health (Beijing), Beijing Technology & Business University (BTBU), Beijing 100048, China.
| | - Jie Liu
- China-Canada Joint Lab of Food Nutrition and Health (Beijing), Beijing Technology & Business University (BTBU), Beijing 100048, China.
| | - Jing Wang
- China-Canada Joint Lab of Food Nutrition and Health (Beijing), Beijing Technology & Business University (BTBU), Beijing 100048, China.
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26
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Gong Y, Dou Y, Wang L, Wang X, Zhao Z. EP300 promotes renal tubular epithelial cell fibrosis by increasing HIF2α expression in diabetic nephropathy. Cell Signal 2022; 98:110407. [PMID: 35839978 DOI: 10.1016/j.cellsig.2022.110407] [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: 04/05/2022] [Revised: 07/08/2022] [Accepted: 07/11/2022] [Indexed: 11/16/2022]
Abstract
Renal tubular damage occurs early in diabetic nephropathy (DN) and may play a key role in the progression of kidney disease. E1A binding protein P300 (EP300) gene polymorphism correlates with the development and advancement of DN. We will explore the expression and relationship of EP300 and hypoxia-inducible factor 2 α (HIF2α) and the possible mechanism in the progression of DN. We studied the expression of EP300 and HIF2α in the renal tubules of patients with DN. At the cellular level, the interaction between EP300 and HIF2α were identified, and their relationship with cellular fibrosis was validated. Furthermore, we examined the effect of altered EP300 expression on downstream HIF2α and renal tubular fibrosis in vivo and in vitro. EP300 and HIF2α were strongly expressed in the renal tubules of DN patients and in HK-2 cells, and EP300 protein bound to the HIF2α gene in the nucleus. Adenovirus-mediated EP300 inhibition or overexpression downregulated or upregulated HIF2α expression in HK-2 cells, respectively. When EP300 was overexpressed in HK-2 cells, inhibition of HIF2α did not change the EP300 level, but the fibrotic marker was downregulated. In DN mice, silencing EP300 inhibited HIF2α expression levels and renal tubular fibrosis progression. In conclusion, this study defined that EP300 could promote renal tubular epithelial cell fibrotic processes by increasing HIF2α expression in DN.
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Affiliation(s)
- Yanan Gong
- First Affiliated Hospital of Zhengzhou University, Department of Nephrology. 1 Jianshe Eastern Road, Erqi District, Zhengzhou 450052, Henan, China
| | - Yanna Dou
- First Affiliated Hospital of Zhengzhou University, Department of Nephrology. 1 Jianshe Eastern Road, Erqi District, Zhengzhou 450052, Henan, China
| | - Luyao Wang
- First Affiliated Hospital of Zhengzhou University, Department of Nephrology. 1 Jianshe Eastern Road, Erqi District, Zhengzhou 450052, Henan, China
| | - Xiaoyang Wang
- First Affiliated Hospital of Zhengzhou University, Department of Nephrology. 1 Jianshe Eastern Road, Erqi District, Zhengzhou 450052, Henan, China
| | - Zhanzheng Zhao
- First Affiliated Hospital of Zhengzhou University, Department of Nephrology. 1 Jianshe Eastern Road, Erqi District, Zhengzhou 450052, Henan, China.
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27
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Gong H, Liu J, Xue Z, Wang W, Li C, Xu F, Du Y, Lyu X. SIRT3
attenuates coronary atherosclerosis in diabetic patients by regulating endothelial cell function. J Clin Lab Anal 2022; 36:e24586. [PMID: 35791925 PMCID: PMC9396194 DOI: 10.1002/jcla.24586] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 06/08/2022] [Accepted: 06/11/2022] [Indexed: 11/08/2022] Open
Abstract
Background This study aimed to explore the relationship between the Sirtuin 3 (SIRT3) gene and endothelial cell dysfunction, contributing to the progression of coronary atherosclerosis driven by hyperglycemia. Methods We measured serum SIRT3 levels using enzyme‐linked immunosorbent assay in 95 patients with type 2 diabetes mellitus (T2DM) who underwent diagnostic coronary angiography. The patients were divided into two groups according to the presence (n = 45) or absence (n = 50) of coronary artery disease (CAD). Human aortic endothelial cells (HAECs) grown in vitro in a medium with various concentrations of glucose (5.5, 11, 16.5, 22, 27.5, 33, and 38.5 mM) for 24 h were assessed for protein expression of SIRT3, peroxisome proliferator‐activated receptor alpha (PPAR‐α), endothelial nitric oxide (NO) synthase (eNOS), and inducible NO synthase (iNOS) using Western blot analysis. HAECs were subjected to SIRT3 overexpression or inhibition through SIRT3 adenovirus and siRNA transfection. Results Serum SIRT3 levels were significantly lower in T2DM patients with CAD than in those without CAD (p = 0.048). The in vitro results showed that HG significantly increased SIRT3, PPAR‐α, and eNOS protein expression in a concentration‐dependent manner. Moreover, iNOS expression was decreased in HAECs in response to HG. Reduced PPAR‐α and eNOS levels and increased iNOS levels were observed in SIRT3 silenced HAECs cells. In contrast, SIRT3 overexpression significantly improved PPAR‐α and eNOS expression and suppressed iNOS expression. Conclusion SIRT3 was associated with the progression of atherosclerosis in T2DM patients through upregulation of PPAR‐α and eNOS and downregulation of iNOS, which are involved in endothelial dysfunction under hyperglycemic conditions.
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Affiliation(s)
- Huiping Gong
- Department of Emergency The Second Hospital of Shandong University Jinan China
| | - Jing Liu
- Department of Cardiology The Second Hospital of Shandong University Jinan China
| | - Zhiwei Xue
- Cheeloo College of Medicine Shandong University Jinan China
| | - Wenwen Wang
- Department of Emergency The Second Hospital of Shandong University Jinan China
| | - Cuicui Li
- Department of Emergency The Second Hospital of Shandong University Jinan China
| | - Fanfan Xu
- Department of Emergency The Second Hospital of Shandong University Jinan China
| | - Yimeng Du
- Department of Cardiology The Second Hospital of Shandong University Jinan China
| | - Xiaona Lyu
- Department of Pediatric Surgery Qilu Hospital of Shandong University Jinan China
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28
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Effects of STAT3 on aging-dependent neovascularization impairment following limb ischemia: from bedside to bench. Aging (Albany NY) 2022; 14:4897-4913. [PMID: 35696641 PMCID: PMC9217700 DOI: 10.18632/aging.204122] [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: 09/15/2021] [Accepted: 06/01/2022] [Indexed: 11/25/2022]
Abstract
Aging is a major risk factor for ischemic hypoxia-related diseases, including peripheral artery diseases (PADs). Signal transducer and activator of transcription 3 (STAT3) is a critical transcription activator in angiogenesis. Nevertheless, the effect of aging on endothelial cells and their responses to hypoxia are not well studied. Using a hindlimb hypoxic/ischemic model of aged mice, we found that aged mice (80-100-week-old) expressed significantly lower levels of angiogenesis than young mice (10-week-old). In our in vitro study, aged endothelial cells (≥30 passage) showed a significant accumulation of β-galactosidase and a high expression of aging-associated genes, including p16, p21, and hTERT compared with young cells (<10 passage). After 24 hours of hypoxia exposure, proliferation, migration and tube formation were significantly impaired in aged cells compared with young cells. Notably, STAT3 and angiogenesis-associated proteins such as PI3K/AKT were significantly downregulated in aged mouse limb tissues and aged cells. Further, using STAT3 siRNA, we found that suppressing STAT3 expression in endothelial cells impaired proliferation, migration and tube formation under hypoxia. Correspondingly, in patients with limb ischemia we also observed a higher expression of circulating STAT3, associated with a lower rate of major adverse limb events (MALEs). Collectively, STAT3 could be a biomarker reflecting the development of MALE in patients and also a regulator of age-dependent angiogenesis post limb ischemia. Additional studies are required to elucidate the clinical applications of STAT3.
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29
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Zhu SL, Wang ML, He YT, Guo SW, Li TT, Peng WJ, Luo D. Capsaicin ameliorates intermittent high glucose-mediated endothelial senescence via the TRPV1/SIRT1 pathway. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 100:154081. [PMID: 35405615 DOI: 10.1016/j.phymed.2022.154081] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 03/20/2022] [Accepted: 03/25/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Patients with diabetes have accelerated vascular aging when compared with healthy individuals. Hyperglycemia, especially intermittent high glucose (IHG), is the main cause of vascular endothelial senescence. Capsaicin, a major component of chili pepper is thought to contribute to cardiovascular protection by spicy food. OBJECTIVE To investigate the pathway related with the effects of capsaicin on endothelial cell senescence induced by IHG. METHODS HUVECs were exposed to IHG (5 mM or 33 mM glucose, alternating every 12 hours for 3 days) and treated with capsaicin at 0.3, 1 and 3 μM. To determine endothelial cell senescence, we examined the senescence-related β-galactosidase staining, cell cycle arrest, cell viability, as well as production of reactive oxygen species (ROS). To evaluate the involvement of TRPV1/[Ca2+]i/CaMKII/AMPK/SIRT1 pathway in anti- senescence effects of capsaicin, HUVECs were treated with CAPZ (a TRPV1 antagonist), BAPTA-AM (an intracellular calcium chelator), KN62 (a CaMKII antagonist), compound C (an AMPK inhibitor), or EX527 (a SIRT1 inhibitor). To knockdown TRPV1, HUVECs were transfected with shRNA lentivirus targeting TRPV1. The levels of SIRT1, p21, TRPV1, AMPK and phospho-AMPK were evaluated by western blotting. RESULTS IHG suppressed the levels of SIRT1 and enhanced endothelial senescence. Capsaicin upregulated SIRT1 expression and downregulated the senescence marker, p21, thereby protecting endothelial cells from IHG-induced senescence as indicated by relieved G0/G1 phase arrest, improved cell viabilities, and reduced counts of senescent cells and ROS production. Pre-treatment with CAPZ, BAPTA-AM, KN62 or compound C abrogated the anti-senescence effects of capsaicin. Capsaicin restored AMPK phosphorylation and IHG-inhibited TRPV1 expression. Moreover, TRPV1 silencing suppressed SIRT1 expression and abolished the anti-senescence effects of capsaicin. CONCLUSION Capsaicin elevates SIRT1 levels through TRPV1/[Ca2+]i/CaMKII/AMPK pathway and suppresses IHG-mediated endothelial cell senescence. This study provides initial evidence that capsaicin is a potential candidate for the prevention of vascular aging in diabetes.
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Affiliation(s)
- Si-Lu Zhu
- Department of Physiology, School of Basic Medicine, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Mei-Ling Wang
- Department of Physiology, School of Basic Medicine, Jiangxi Medical College, Nanchang University, Nanchang, China; School of Nursing, Zhenjiang College, Zhenjiang, China
| | - Yue-Teng He
- School of Pharmaceutics, Jiangxi Medical College, Nanchang University, Nanchang, PR China
| | - Shu-Wen Guo
- Department of Physiology, School of Basic Medicine, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Ting-Ting Li
- Department of Physiology, School of Basic Medicine, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Wei-Jie Peng
- School of Pharmaceutics, Jiangxi Medical College, Nanchang University, Nanchang, PR China; Key laboratory of cardiovascular and cerebrovascular diseases of Ministry of Education, Gannan Medical University, Ganzhou, China.
| | - Dan Luo
- Department of Physiology, School of Basic Medicine, Jiangxi Medical College, Nanchang University, Nanchang, China.
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Old and New Biomarkers Associated with Endothelial Dysfunction in Chronic Hyperglycemia. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2021:7887426. [PMID: 34987703 PMCID: PMC8723873 DOI: 10.1155/2021/7887426] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 11/18/2021] [Accepted: 11/20/2021] [Indexed: 11/18/2022]
Abstract
Chronic hyperglycemia and vascular damage are strictly related. Biomarkers of vascular damage have been intensively studied in the recent years in the quest of reliable cardiovascular risk assessment tools able to facilitate risk stratification and early detection of vascular impairment. The present study is a narrative review with the aim of revising the available evidence on current and novel markers of hyperglycemia-induced vascular damage. After a discussion of classic tools used to investigate endothelial dysfunction, we provide an in-depth description of novel circulating biomarkers (chemokines, extracellular vesicles, and epigenetic and metabolomic biomarkers). Appropriate use of a single as well as a cluster of the discussed biomarkers might enable in a near future (a) the prompt identification of targeted and customized treatment strategies and (b) the follow-up of cardiovascular treatment efficacy over time in clinical research and/or in clinical practice.
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Mittal A, Garg R, Bahl A, Khullar M. Molecular Mechanisms and Epigenetic Regulation in Diabetic Cardiomyopathy. Front Cardiovasc Med 2022; 8:725532. [PMID: 34977165 PMCID: PMC8716459 DOI: 10.3389/fcvm.2021.725532] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 11/15/2021] [Indexed: 12/25/2022] Open
Abstract
Diabetes mellitus (DM) is an important lifestyle disease. Type 2 diabetes is one of the prime contributors to cardiovascular diseases (CVD) and diabetic cardiomyopathy (DbCM) and leads to increased morbidity and mortality in patients with DM. DbCM is a typical cardiac disease, characterized by cardiac remodeling in the presence of DM and in the absence of other comorbidities such as hypertension, valvular diseases, and coronary artery disease. DbCM is associated with defective cardiac metabolism, altered mitochondrial structure and function, and other physiological and pathophysiological signaling mechanisms such as oxidative stress, inflammation, myocardial apoptosis, and autophagy. Epigenetic modifiers are crucial players in the pathogenesis of DbCM. Thus, it is important to explore the role of epigenetic modifiers or modifications in regulating molecular pathways associated with DbCM. In this review, we have discussed the role of various epigenetic mechanisms such as histone modifications (acetylation and methylation), DNA methylation and non-coding RNAs in modulating molecular pathways involved in the pathophysiology of the DbCM.
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Affiliation(s)
- Anupam Mittal
- Department of Translational and Regenerative Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Rajni Garg
- Council of Scientific and Industrial Research - Institute of Microbial Technology, Chandigarh, India
| | - Ajay Bahl
- Department of Cardiology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Madhu Khullar
- Department of Experimental Medicine and Biotechnology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
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Xiong Y, Wang HX, Yan H, Zhu SL, Guo SW, Peng WJ, Luo D. Rutaecarpine Prevents High Glucose-Induced Endothelial Cell Senescence Through Transient Receptor Potential Vanilloid Subtype 1/ SIRT1 Pathway. J Cardiovasc Pharmacol 2022; 79:e129-e137. [PMID: 34740213 DOI: 10.1097/fjc.0000000000001166] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 10/15/2021] [Indexed: 11/26/2022]
Abstract
ABSTRACT SIRT1 functions as a longevity factor to counteract vascular aging induced by high glucose. Our previous study revealed that rutaecarpine, the natural agonist of transient receptor potential vanilloid subtype 1 (TRPV1), prevented high glucose-induced endothelial dysfunction. The present study aims to evaluate the effects of rutaecarpine on endothelial cell senescence induced by high glucose, and focus on the regulatory effect on SIRT1 expression. In cultured human umbilical vein endothelial cell (HUVEC), exposure to 33 mM high glucose for 72 hours induced cellular senescence, demonstrated as cell cycle arrest at G0/G1 phase, decreased cell viability, and increased number of senescence-associated β-galactosidase positive senescence cells and ROS production, which were effectively attenuated by treatment with rutaecarpine (0.3, 1, and 3 μM). Furthermore, rutaecarpine upregulated longevity protein SIRT1 expression in HUVECs, accompanied by decreased level of senescence marker p21. In addition, rutaecarpine increased intracellular calcium level in HUVECs, and pretreatment with TRPV1 antagonist capsazepine, intracellular Ca2+ chelator BAPTA-AM or CaM antagonist W-7 abolished the effects of rutaecarpine on SIRT1 expression. In summary, this study shows that rutaecarpine upregulates SIRT1 expression and prevents high glucose-induced endothelial cell senescence, which is related to activation of TRPV1/[Ca2+]i/CaM signal pathway. Our findings provide evidence that rutaecarpine may be a promising candidate with a novel mechanism in prevention vascular aging in diabetes.
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Affiliation(s)
- Yan Xiong
- Department of Endocrine, the Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, PR China
| | - Han-Xia Wang
- School of Pharmaceutics, Jiangxi Medical College, Nanchang University, Nanchang, PR China
| | - Hang Yan
- School of Pharmaceutics, Jiangxi Medical College, Nanchang University, Nanchang, PR China
| | - Si-Lu Zhu
- Department of Physiology, School of Basic Medicine, Jiangxi Medical College, Nanchang University, Nanchang, PR China ; and
| | - Shu-Wen Guo
- Department of Physiology, School of Basic Medicine, Jiangxi Medical College, Nanchang University, Nanchang, PR China ; and
| | - Wei-Jie Peng
- Key Laboratory of Cardiovascular and Cerebrovascular Diseases of Ministry of Education, Gannan Medical University, Ganzhou, PR China
| | - Dan Luo
- Department of Physiology, School of Basic Medicine, Jiangxi Medical College, Nanchang University, Nanchang, PR China ; and
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Zhou X, Wang L, Zhang Z, Liu J, Qu Q, Zu Y, Shi D. Fluorometholone inhibits high glucose-induced cellular senescence in human retinal endothelial cells. Hum Exp Toxicol 2022; 41:9603271221076107. [PMID: 35264022 DOI: 10.1177/09603271221076107] [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: 11/15/2022]
Abstract
Diabetic retinopathy (DR) is a common diabetic complication that severely impacts the life quality of diabetic patients. Recently, cellular senescence in human retinal endothelial cells (HRECs) induced by high glucose has been linked to the pathogenesis of DR. Fluorometholone (FML) is a glucocorticoid drug applied in the treatment of inflammatory and allergic disorders of the eye. The objective of the present study is to investigate the protective function of FML on high glucose-induced cellular senescence in HRECs. The in vitro injury model was established by stimulating HRECs with 30 mm glucose. After evaluating the cytotoxicity of FML in HRECs, 0.05% and 0.1% FML were used as the optimal concentration in the entire experiment. It was found that the excessive released inflammatory factors including tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), and interleukin-8 (IL-8) in HRECs induced by high glucose were significantly suppressed by FML, accompanied by the inhibitory effects on the expression levels of vascular endothelial growth factor (VEGF) and tissue factor (TF). Declined telomerase activity and enhanced senescence-associated β-galactosidase (SA-β-gal) activity were found in high glucose-challenged HRECs, which were dramatically alleviated by FML, accompanied by the inactivation of the p53/p21 and retinoblastoma (Rb) signaling. Interestingly, FML ameliorated high glucose-induced dephosphorylation of Akt. Lastly, the protective effects of FML against high glucose-induced cellular senescence in HRECs were abolished by the co-treatment of the PI3K/Akt signaling inhibitor LY294002, suggesting the involvement of this pathway. Taken together, these data revealed that FML-inhibited high glucose-induced cellular senescence mediated by Akt in HERCs, suggesting a novel molecular mechanism of FML.
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Affiliation(s)
- Xuemei Zhou
- Department of Ophthalmology, Ringgoldid: 117842Weihai Municipal Hospital, Cheeloo College of Medicine, Shandong University, Weihai, China
| | - Lifeng Wang
- Department of Cardiology, Ringgoldid: 194024The Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Zhongwei Zhang
- Department of Ophthalmology, Ringgoldid: 117842Weihai Municipal Hospital, Cheeloo College of Medicine, Shandong University, Weihai, China
| | - Jing Liu
- Department of Ophthalmology, Ringgoldid: 117842Weihai Municipal Hospital, Cheeloo College of Medicine, Shandong University, Weihai, China
| | - Qun Qu
- Department of Ophthalmology, Ringgoldid: 117842Weihai Municipal Hospital, Cheeloo College of Medicine, Shandong University, Weihai, China
| | - Yuanyuan Zu
- Department of Ophthalmology, Ringgoldid: 117842Weihai Municipal Hospital, Cheeloo College of Medicine, Shandong University, Weihai, China
| | - Dejing Shi
- Department of Ophthalmology, Ringgoldid: 194024The Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
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34
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Begum MK, Konja D, Singh S, Chlopicki S, Wang Y. Endothelial SIRT1 as a Target for the Prevention of Arterial Aging: Promises and Challenges. J Cardiovasc Pharmacol 2021; 78:S63-S77. [PMID: 34840264 DOI: 10.1097/fjc.0000000000001154] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Accepted: 09/25/2021] [Indexed: 12/15/2022]
Abstract
ABSTRACT SIRT1, a member of the sirtuin family of longevity regulators, possesses potent activities preventing vascular aging. The expression and function of SIRT1 in endothelial cells are downregulated with age, in turn causing early vascular aging and predisposing various vascular abnormalities. Overexpression of SIRT1 in the vascular endothelium prevents aging-associated endothelial dysfunction and senescence, thus the development of hypertension and atherosclerosis. Numerous efforts have been directed to increase SIRT1 signaling as a potential strategy for different aging-associated diseases. However, the complex mechanisms underlying the regulation of SIRT1 have posed a significant challenge toward the design of specific and effective therapeutics. This review aimed to provide a summary on the regulation and function of SIRT1 in the vascular endothelium and to discuss the different approaches targeting this molecule for the prevention and treatment of age-related cardiovascular and cerebrovascular diseases.
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Affiliation(s)
- Musammat Kulsuma Begum
- The State Key Laboratory of Pharmaceutical Biotechnology
- The Department of Pharmacology and Pharmacy, The University of Hong Kong, Hong Kong SAR, China
| | - Daniels Konja
- The State Key Laboratory of Pharmaceutical Biotechnology
- The Department of Pharmacology and Pharmacy, The University of Hong Kong, Hong Kong SAR, China
| | - Sandeep Singh
- The State Key Laboratory of Pharmaceutical Biotechnology
- The Department of Pharmacology and Pharmacy, The University of Hong Kong, Hong Kong SAR, China
| | - Stefan Chlopicki
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Krakow, Poland; and
- Chair of Pharmacology, Jagiellonian University Medical College, Krakow, Poland
| | - Yu Wang
- The State Key Laboratory of Pharmaceutical Biotechnology
- The Department of Pharmacology and Pharmacy, The University of Hong Kong, Hong Kong SAR, China
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35
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Jalgaonkar MP, Parmar UM, Kulkarni YA, Oza MJ. SIRT1-FOXOs activity regulates diabetic complications. Pharmacol Res 2021; 175:106014. [PMID: 34856334 DOI: 10.1016/j.phrs.2021.106014] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 11/26/2021] [Accepted: 11/26/2021] [Indexed: 02/07/2023]
Abstract
The prevalence of diabetes is continuously increasing in the recent decades. Persistent hyperglycemia, hyperinsulinemia and the subsequent oxidative stress result in diabetic complications, primarily categorized as microvascular (nephropathy, retinopathy and neuropathy) and macrovascular (cardiomyopathy) complications. The complications are prevalent in both type 1 and type 2 diabetic patients. Polyol pathway, elevated AGE production, PKC activation and hexosamine pathway are indeed the critical pathways involved in the progression of diabetic complications. Silent information regulator 2 or SIR2 or more commonly known as sirtuins are NAD+ dependent histone deacetylase. SIRT1, a member of the sirtuin family has been extensively studied for its role in lifespan extension and needs to be explored for its beneficial effects in diabetic complications. Moreover, it is also known to regulate the activity of other proteins and transcription factors. One such substrate of SIRT1 is FOXOs transcription factor which has gained much attention as the mediator of various cellular processes such as cell cycle arrest and proliferation, DNA repair and metabolism. It has been reported that SIRT1 regulates the activity of FOXOs, whereas few recent advances also suggest a role FOXOs in governing the activity of SIRT1, which permits for a crosstalk between SIRT1 and FOXOs. Therefore, the focus of the present review is to describe and explore the interaction between SIRT1 and FOXOs, predominantly FOXO1 and FOXO3 and to understand the underlying mechanism of SIRT1-FOXOs in controlling and alleviating diabetic complications. Thus, this crosstalk suggests that SIRT1 and FOXOs may serve as potential therapeutic targets in treating diabetic complications.
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Affiliation(s)
- Manjiri P Jalgaonkar
- SVKM's Dr Bhanuben Nanavati College of Pharmacy, Vile Parle (W), Mumbai 400056, India
| | - Urvi M Parmar
- SVKM's Dr Bhanuben Nanavati College of Pharmacy, Vile Parle (W), Mumbai 400056, India
| | - Yogesh A Kulkarni
- Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, SVKM's NMIMS, Mumbai 400056, India
| | - Manisha J Oza
- SVKM's Dr Bhanuben Nanavati College of Pharmacy, Vile Parle (W), Mumbai 400056, India.
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36
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Abstract
Obesity is a major risk factor for the development of comorbidities such as type 2 diabetes, neurodegenerative disorders, osteoarthritis, cancer, cardiovascular and renal diseases. The onset of obesity is linked to an increase of senescent cells within adipose tissue and other organs. Cellular senescence is a stress response that has been shown to be causally linked to aging and development of various age-related diseases such as obesity. The senescence-associated-secretory phenotype of senescent cells creates a chronic inflammatory milieu that leads to local and systemic dysfunction. The elimination of senescent cells using pharmacological approaches (i.e., senolytics) has been shown to delay, prevent, or alleviate obesity-related organ dysfunction.
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Affiliation(s)
- Selim Chaib
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Tamara Tchkonia
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - James L Kirkland
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA.
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Ghosh AK. Acetyltransferase p300 Is a Putative Epidrug Target for Amelioration of Cellular Aging-Related Cardiovascular Disease. Cells 2021; 10:cells10112839. [PMID: 34831061 PMCID: PMC8616404 DOI: 10.3390/cells10112839] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Revised: 10/15/2021] [Accepted: 10/18/2021] [Indexed: 12/31/2022] Open
Abstract
Cardiovascular disease is the leading cause of accelerated as well as chronological aging-related human morbidity and mortality worldwide. Genetic, immunologic, unhealthy lifestyles including daily consumption of high-carb/high-fat fast food, lack of exercise, drug addiction, cigarette smoke, alcoholism, and exposure to environmental pollutants like particulate matter (PM)-induced stresses contribute profoundly to accelerated and chronological cardiovascular aging and associated life threatening diseases. All these stressors alter gene expression epigenetically either through activation or repression of gene transcription via alteration of chromatin remodeling enzymes and chromatin landscape by DNA methylation or histone methylation or histone acetylation. Acetyltransferase p300, a major epigenetic writer of acetylation on histones and transcription factors, contributes significantly to modifications of chromatin landscape of genes involved in cellular aging and cardiovascular diseases. In this review, the key findings those implicate acetyltransferase p300 as a major contributor to cellular senescence or aging related cardiovascular pathologies including vascular dysfunction, cardiac hypertrophy, myocardial infarction, cardiac fibrosis, systolic/diastolic dysfunction, and aortic valve calcification are discussed. The efficacy of natural or synthetic small molecule inhibitor targeting acetyltransferase p300 in amelioration of stress-induced dysregulated gene expression, cellular aging, and cardiovascular disease in preclinical study is also discussed.
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Affiliation(s)
- Asish K Ghosh
- Feinberg Cardiovascular and Renal Research Institute, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
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38
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Forestalling age-impaired angiogenesis and blood flow by targeting NOX: Interplay of NOX1, IL-6, and SASP in propagating cell senescence. Proc Natl Acad Sci U S A 2021; 118:2015666118. [PMID: 34654740 DOI: 10.1073/pnas.2015666118] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/20/2021] [Indexed: 12/29/2022] Open
Abstract
In an aging population, intense interest has shifted toward prolonging health span. Mounting evidence suggests that cellular reactive species are propagators of cell damage, inflammation, and cellular senescence. Thus, such species have emerged as putative provocateurs and targets for senolysis, and a clearer understanding of their molecular origin and regulation is of paramount importance. In an inquiry into signaling triggered by aging and proxy instigator, hyperglycemia, we show that NADPH Oxidase (NOX) drives cell DNA damage and alters nuclear envelope integrity, inflammation, tissue dysfunction, and cellular senescence in mice and humans with similar causality. Most notably, selective NOX1 inhibition rescues age-impaired blood flow and angiogenesis, vasodilation, and the endothelial cell wound response. Indeed, NOX1i delivery in vivo completely reversed age-impaired hind-limb blood flow and angiogenesis while disrupting a NOX1-IL-6 senescence-associated secretory phenotype (SASP) proinflammatory signaling loop. Relevant to its comorbidity with age, clinical samples from diabetic versus nondiabetic subjects reveal as operant this NOX1-mediated vascular senescence and inflammation in humans. On a mechanistic level, our findings support a previously unidentified role for IL-6 in this feedforward inflammatory loop and peroxisome proliferator-activated receptor gamma (PPARγ) down-regulation as inversely modulating p65-mediated NOX1 transcription. Targeting this previously unidentified NOX1-SASP signaling axis in aging is predicted to be an effective strategy for mitigating senescence in the vasculature and other organ systems.
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39
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Chen YH, Li CL, Chen WJ, Liu J, Wu HT. Diverse roles of FOXO family members in gastric cancer. World J Gastrointest Oncol 2021; 13:1367-1382. [PMID: 34721771 PMCID: PMC8529928 DOI: 10.4251/wjgo.v13.i10.1367] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 07/06/2021] [Accepted: 08/13/2021] [Indexed: 02/06/2023] Open
Abstract
Gastric cancer (GC) is the fifth most diagnosed cancer and the third leading cause of cancer-related death worldwide. Although progress has been made in diagnosis, surgical resection, systemic chemotherapy, and immunotherapy, patients with GC still have a poor prognosis. The overall 5-year survival rate in patients with advanced GC is less than 5%. The FOXO subfamily, of the forkhead box family of transcription factors, consists of four members, FOXO1, FOXO3, FOXO4, and FOXO6. This subfamily plays an important role in many cellular processes, such as cell cycle, cell growth, apoptosis, autophagy, stress resistance, protection from aggregate toxicity, DNA repair, tumor suppression, and metabolism, in both normal tissue and malignant tumors. Various studies support a role for FOXOs as tumor suppressors based on their ability to inhibit angiogenesis and metastasis, and promote apoptosis, yet several other studies have shown that FOXOs might also promote tumor progression in certain circumstances. To elucidate the diverse roles of FOXOs in GC, this article systematically reviews the cellular functions of FOXOs in GC to determine potential therapeutic targets and treatment strategies for patients with GC.
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Affiliation(s)
- Yu-Han Chen
- Department of Clinical Medicine, Shantou University Medical College, Shantou 515041, Guangdong Province, China
- Guangdong Provincial Key Laboratory for Diagnosis and Treatment of Breast Cancer, Changjiang Scholar's Laboratory, Department of Physiology, Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Chun-Lan Li
- Guangdong Provincial Key Laboratory for Diagnosis and Treatment of Breast Cancer, Changjiang Scholar's Laboratory, Department of Physiology, Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Wen-Jia Chen
- Guangdong Provincial Key Laboratory for Diagnosis and Treatment of Breast Cancer, Changjiang Scholar's Laboratory, Department of Physiology, Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Jing Liu
- Guangdong Provincial Key Laboratory for Diagnosis and Treatment of Breast Cancer, Changjiang Scholar's Laboratory, Department of Physiology, Shantou University Medical College, Shantou 515041, Guangdong Province, China
| | - Hua-Tao Wu
- Department of General Surgery, The First Affiliated Hospital of Shantou University Medical College, Shantou 515041, Guangdong Province, China
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Poitras TM, Munchrath E, Zochodne DW. Neurobiological Opportunities in Diabetic Polyneuropathy. Neurotherapeutics 2021; 18:2303-2323. [PMID: 34935118 PMCID: PMC8804062 DOI: 10.1007/s13311-021-01138-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/01/2021] [Indexed: 12/29/2022] Open
Abstract
This review highlights a selection of potential translational directions for the treatment of diabetic polyneuropathy (DPN) currently irreversible and without approved interventions beyond pain management. The list does not include all diabetic targets that have been generated over several decades of research but focuses on newer work. The emphasis is firstly on approaches that support the viability and growth of peripheral neurons and their ability to withstand a barrage of diabetic alterations. We include a section describing Schwann cell targets and finally how mitochondrial damage has been a common element in discussing neuropathic damage. Most of the molecules and pathways described here have not yet reached clinical trials, but many trials have been negative to date. Nonetheless, these failures clear the pathway for new thoughts over reversing DPN.
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Affiliation(s)
- Trevor M Poitras
- Peripheral Nerve Research Laboratory, Division of Neurology, Department of Medicine and the Neuroscience and Mental Health Institute, University of Alberta, 7-132A Clinical Sciences Building, 11350-83 Ave, Edmonton, AB, T6G 2G3, Canada
| | - Easton Munchrath
- Peripheral Nerve Research Laboratory, Division of Neurology, Department of Medicine and the Neuroscience and Mental Health Institute, University of Alberta, 7-132A Clinical Sciences Building, 11350-83 Ave, Edmonton, AB, T6G 2G3, Canada
| | - Douglas W Zochodne
- Peripheral Nerve Research Laboratory, Division of Neurology, Department of Medicine and the Neuroscience and Mental Health Institute, University of Alberta, 7-132A Clinical Sciences Building, 11350-83 Ave, Edmonton, AB, T6G 2G3, Canada.
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Xiang Y, Wang Z, Hui Q, Gwinn M, Vaccarino V, Sun YV. DNA Methylation of TXNIP Independently Associated with Inflammation and Diabetes Mellitus in Twins. Twin Res Hum Genet 2021; 24:273-280. [PMID: 34726138 PMCID: PMC10877446 DOI: 10.1017/thg.2021.42] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Thioredoxin-interacting protein (TXNIP) plays a key role in diabetes development and prognosis through its role in pancreatic β-cell dysfunction and death as well as in upregulating the inflammatory response in hyperglycemia. DNA methylation (DNAm) of TXNIP (TXNIP-cg19693031) is associated with the prevalence and incidence of type 2 diabetes (T2D); however, its role in inflammation and its relationship with T2D remain unclear. We aimed to investigate the epigenetic associations of TXNIP-cg19693031 with a panel of inflammatory biomarkers and to examine whether these inflammatory biomarkers modify the association between TXNIP-cg19693031 methylation and diabetes in 218 middle-aged male twins from the Emory Twin Study. We confirmed the association of TXNIP-cg19693031 DNAm with T2D, as well as with HbA1c, insulin and fasting glucose. We found that hypomethylation at TXNIP-cg19693031 is strongly associated with both type 2 diabetes and higher levels of inflammatory biomarkers (VCAM-1, ICAM-1, MMP-2, sRAGE and P-selectin); however, the relationship between TXNIP-cg19693031 and T2D is independent of the levels of these inflammatory biomarkers. Our results suggest that DNA methylation of TXNIP is linked with multiple biological processes, through which the TXNIP may have broad influence on chronic disease risk.
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Affiliation(s)
- Yijin Xiang
- Department of Epidemiology, Emory University Rollins School of Public Health, Atlanta, USA
| | - Zeyuan Wang
- Department of Epidemiology, Emory University Rollins School of Public Health, Atlanta, USA
| | - Qin Hui
- Department of Epidemiology, Emory University Rollins School of Public Health, Atlanta, USA
| | - Marta Gwinn
- Department of Epidemiology, Emory University Rollins School of Public Health, Atlanta, USA
| | - Viola Vaccarino
- Department of Epidemiology, Emory University Rollins School of Public Health, Atlanta, USA
| | - Yan V. Sun
- Department of Epidemiology, Emory University Rollins School of Public Health, Atlanta, USA
- Atlanta VA Healthcare System, Decatur, USA
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Narasimhan A, Flores RR, Robbins PD, Niedernhofer LJ. Role of Cellular Senescence in Type II Diabetes. Endocrinology 2021; 162:6345039. [PMID: 34363464 PMCID: PMC8386762 DOI: 10.1210/endocr/bqab136] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Indexed: 01/10/2023]
Abstract
Cellular senescence is a cell fate that occurs in response to numerous types of stress and can promote tissue repair or drive inflammation and disruption of tissue homeostasis depending on the context. Aging and obesity lead to an increase in the senescent cell burden in multiple organs. Senescent cells release a myriad of senescence-associated secretory phenotype factors that directly mediate pancreatic β-cell dysfunction, adipose tissue dysfunction, and insulin resistance in peripheral tissues, which promote the onset of type II diabetes mellitus. In addition, hyperglycemia and metabolic changes seen in diabetes promote cellular senescence. Diabetes-induced cellular senescence contributes to various diabetic complications. Thus, type II diabetes is both a cause and consequence of cellular senescence. This review summarizes recent studies on the link between aging, obesity, and diabetes, focusing on the role of cellular senescence in disease processes.
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Affiliation(s)
- Akilavalli Narasimhan
- Institute on the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology, and Biophysics, University of Minnesota Medical School, 55455, USA
| | - Rafael R Flores
- Institute on the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology, and Biophysics, University of Minnesota Medical School, 55455, USA
| | - Paul D Robbins
- Institute on the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology, and Biophysics, University of Minnesota Medical School, 55455, USA
| | - Laura J Niedernhofer
- Institute on the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology, and Biophysics, University of Minnesota Medical School, 55455, USA
- Correspondence: Laura J. Niedernhofer, MD, PhD, Institute on the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota Medical School, 6-155 Jackson Hall, 321 Church Street, SE, Minneapolis, MN 55455, USA.
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Wiley CD, Campisi J. The metabolic roots of senescence: mechanisms and opportunities for intervention. Nat Metab 2021; 3:1290-1301. [PMID: 34663974 PMCID: PMC8889622 DOI: 10.1038/s42255-021-00483-8] [Citation(s) in RCA: 235] [Impact Index Per Article: 78.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 09/13/2021] [Indexed: 12/14/2022]
Abstract
Cellular senescence entails a permanent proliferative arrest, coupled to multiple phenotypic changes. Among these changes is the release of numerous biologically active molecules collectively known as the senescence-associated secretory phenotype, or SASP. A growing body of literature indicates that both senescence and the SASP are sensitive to cellular and organismal metabolic states, which in turn can drive phenotypes associated with metabolic dysfunction. Here, we review the current literature linking senescence and metabolism, with an eye toward findings at the cellular level, including both metabolic inducers of senescence and alterations in cellular metabolism associated with senescence. Additionally, we consider how interventions that target either metabolism or senescent cells might influence each other and mitigate some of the pro-aging effects of cellular senescence. We conclude that the most effective interventions will likely break a degenerative feedback cycle by which cellular senescence promotes metabolic diseases, which in turn promote senescence.
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Affiliation(s)
- Christopher D Wiley
- Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, CA, USA.
- Buck Institute for Research on Aging, Novato, CA, USA.
| | - Judith Campisi
- Buck Institute for Research on Aging, Novato, CA, USA
- Lawrence Berkeley National Laboratory, Berkeley, CA, USA
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44
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Tarhan Ç, Çakır Ö. Transcriptome sequencing and screening of genes related to glucose availability in Schizosaccharomyces pombe by RNA-seq analysis. Genet Mol Biol 2021; 44:e20200245. [PMID: 34460892 PMCID: PMC8404550 DOI: 10.1590/1678-4685-gmb-2020-0245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 06/01/2021] [Indexed: 11/21/2022] Open
Abstract
While calorie restriction is the most used experimental intervention to increase lifespan in numerous model organisms, increasing evidence suggests that excess glucose leads to decreased lifespan in various organisms. To fully understand the molecular basis of the pro-aging effect of glucose, it is still important to discover genetic interactions, gene expression patterns, and molecular responses depending on glucose availability. Here, we compared the gene expression profiles in Schizosaccharomyces pombe mid-log-phase cells grown in three different Synthetic Dextrose media with 3%, 5%, and 8% glucose, using the RNA sequencing method. Expression patterns of genes that function in carbohydrate metabolism were downregulated as expected, and these genes were downregulated in line with the increase in glucose content. Significant and consistent changes in the expression were observed such as genes that encoding retrotransposable elements, heat shock proteins, glutathione S-transferase, cell agglutination protein, and conserved fungal proteins. We group some genes that function together in the transcription process and mitotic regulation, which have recently been associated with glucose availability. Our results shed light on the relationship between excess glucose, diverse cellular processes, and aging.
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Affiliation(s)
- Çağatay Tarhan
- Istanbul University, Faculty of Science, Department of Molecular Biology and Genetics, Istanbul, Turkey
| | - Özgür Çakır
- Istanbul University, Faculty of Science, Department of Molecular Biology and Genetics, Istanbul, Turkey
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45
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He Z, Peng H, Gao M, Liang G, Zeng M, Zhang X. p300/Sp1-Mediated High Expression of p16 Promotes Endothelial Progenitor Cell Senescence Leading to the Occurrence of Chronic Obstructive Pulmonary Disease. Mediators Inflamm 2021; 2021:5599364. [PMID: 34456628 PMCID: PMC8397552 DOI: 10.1155/2021/5599364] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 07/19/2021] [Accepted: 08/02/2021] [Indexed: 12/19/2022] Open
Abstract
OBJECTIVE Chronic obstructive pulmonary disease (COPD) is a common chronic disease and develops rapidly into a grave public health problem worldwide. However, what exactly causes the occurrence of COPD remains largely unclear. Here, we are trying to explore whether the high expression of p16 mediated by p300/Sp1 can cause chronic obstructive pulmonary disease through promoting the senescence of endothelial progenitor cells (EPCs). METHODS Peripheral blood EPCs were isolated from nonsmoking non-COPD, smoking non-COPD, and smoking COPD patients. The expressions of p16, p300, and senescence-related genes were detected by RT-PCR and Western Blot. Then, we knocked down or overexpressed Sp1 and p300 and used the ChIP assay to detect the histone H4 acetylation level in the promoter region of p16, CCK8 to detect cell proliferation, flow cytometry to detect the cell cycle, and β-galactosidase staining to count the proportion of senescent cells. RESULTS The high expression of p16 was found in peripheral blood EPCs of COPD patients; the cigarette smoke extract (CSE) led to the increase of p16. The high expression of p16 in EPCs promoted cell cycle arrest and apoptosis. The CSE-mediated high expression of p16 promoted cell senescence. The expression of p300 was increased in peripheral blood EPCs of COPD patients. Moreover, p300/Sp1 enhanced the histone H4 acetylation level in the promoter region of p16, thereby mediating the senescence of EPCs. And knockdown of p300/Sp1 could rescue CSE-mediated cell senescence. CONCLUSION p300/Sp1 enhanced the histone H4 acetylation level in the p16 promoter region to mediate the senescence of EPCs.
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Affiliation(s)
- Zhihui He
- Department of Critical Care Medicine, The Third Xiangya Hospital, Central South University, Changsha, 410013 Hunan, China
| | - Huaihuai Peng
- Department of Critical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, 410011 Hunan, China
| | - Min Gao
- Department of Critical Care Medicine, The Third Xiangya Hospital, Central South University, Changsha, 410013 Hunan, China
| | - Guibin Liang
- Department of Critical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, 410011 Hunan, China
| | - Menghao Zeng
- Department of Critical Care Medicine, The Third Xiangya Hospital, Central South University, Changsha, 410013 Hunan, China
| | - Xuefeng Zhang
- Department of Critical Care Medicine, The Third Xiangya Hospital, Central South University, Changsha, 410013 Hunan, China
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Wang H, Su X, Zhang QQ, Zhang YY, Chu ZY, Zhang JL, Ren Q. MicroRNA-93-5p participates in type 2 diabetic retinopathy through targeting Sirt1. Int Ophthalmol 2021; 41:3837-3848. [PMID: 34313929 DOI: 10.1007/s10792-021-01953-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Accepted: 07/09/2021] [Indexed: 12/18/2022]
Abstract
OBJECTIVE To investigate the role of miR-93-5p in rats with type 2 diabetic retinopathy (DR) through targeting Sirt1. METHODS The targeting correlation between miR-93-5p and Sirt1 was validated by dual-luciferase reporter gene assay. Type 2 diabetes mellitus (T2DM) rat models were received intravitreal injection of antagomir NC (negative control), miR-93-5p antagomir, miR-93-5p agomir and/or recombinant Sirt1, followed by observation of pathological changes in retina via HE staining. Besides, retinal vascular permeability was determined by fluorescein isothiocyanate-bovine serum albumin (FITC-BSA), while the retinal vasculature was observed through retinal trypsin digestion. Expression of miR-93-5p and Sirt1 was measured by qRT-PCR and Western blotting, while the levels of VEGF, proinflammatory cytokines and anti-oxidative indicators were determined using corresponding kits. RESULTS MiR-93-5p could target Sirt1 as analyzed by the luciferase reporter gene assay. Rats in the T2DM group presented the up-regulation of miR-93-5p and down-regulation of Sirt1 in the retina, and miR-93-5p inhibition could up-regulate Sirt1 expression in the T2DM rats. Recombinant Sirt1 decreased retinal vascular permeability and acellular capillaries with improved pathological changes in retina from T2DM rats, which was abolished by miR-93-5p agomir. Moreover, miR-93-5p inhibition or Sirt1 overexpression decreased the levels of VEGF and proinflammatory cytokines while enhancing the activity of anti-oxidative indicators. However, indicators above had no significant differences between T2DM group and T2DM + agomir + Sirt1 group. CONCLUSION MiR-93-5p, via targeting Sirt1, could affect the vascular permeability and acellular capillaries and mitigate the inflammation and oxidative stress in the retinas, which may play a critical role in DR.
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Affiliation(s)
- Hui Wang
- Department of Ophthalmology, Shijiazhuang People's Hospital, No. 365, Jianhua South Street, Yuhua District, Shijiazhuang, 050030, Hebei Province, China
| | - Xian Su
- Department of Ophthalmology, Shijiazhuang People's Hospital, No. 365, Jianhua South Street, Yuhua District, Shijiazhuang, 050030, Hebei Province, China
| | - Qian-Qian Zhang
- Department of Ophthalmology, Shijiazhuang People's Hospital, No. 365, Jianhua South Street, Yuhua District, Shijiazhuang, 050030, Hebei Province, China
| | - Ying-Ying Zhang
- Department of Ophthalmology, Shijiazhuang People's Hospital, No. 365, Jianhua South Street, Yuhua District, Shijiazhuang, 050030, Hebei Province, China
| | - Zhan-Ya Chu
- Department of Ophthalmology, Shijiazhuang People's Hospital, No. 365, Jianhua South Street, Yuhua District, Shijiazhuang, 050030, Hebei Province, China
| | - Jin-Ling Zhang
- Department of Ophthalmology, Shijiazhuang People's Hospital, No. 365, Jianhua South Street, Yuhua District, Shijiazhuang, 050030, Hebei Province, China
| | - Qian Ren
- Department of Ophthalmology, Shijiazhuang People's Hospital, No. 365, Jianhua South Street, Yuhua District, Shijiazhuang, 050030, Hebei Province, China.
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47
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Pietri P, Stefanadis C. Cardiovascular Aging and Longevity: JACC State-of-the-Art Review. J Am Coll Cardiol 2021; 77:189-204. [PMID: 33446313 DOI: 10.1016/j.jacc.2020.11.023] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 11/12/2020] [Accepted: 11/13/2020] [Indexed: 12/25/2022]
Abstract
Cardiovascular aging and longevity are interrelated through many pathophysiological mechanisms. Many factors that promote atherosclerotic cardiovascular disease are also implicated in the aging process and vice versa. Indeed, cardiometabolic disorders such as hyperglycemia, insulin resistance, dyslipidemia, and arterial hypertension share common pathophysiological mechanisms with aging and longevity. Moreover, genetic modulators of longevity have a significant impact on cardiovascular aging. The current knowledge of genetic, molecular, and biochemical pathways of aging may serve as a substrate to introduce interventions that might delay cardiovascular aging, thus approaching the goal of longevity. In the present review, the authors describe pathophysiological links between cardiovascular aging and longevity and translate these mechanisms into clinical data by reporting genetic, dietary, and environmental characteristics from long-living populations.
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Affiliation(s)
- Panagiota Pietri
- Athens Medical School, University of Athens, Athens, Greece; Research Institute for Longevity and Aging-related diseases, Athens, Greece
| | - Christodoulos Stefanadis
- Athens Medical School, University of Athens, Athens, Greece; Research Institute for Longevity and Aging-related diseases, Athens, Greece.
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48
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Hamdani N, Costantino S, Mügge A, Lebeche D, Tschöpe C, Thum T, Paneni F. Leveraging clinical epigenetics in heart failure with preserved ejection fraction: a call for individualized therapies. Eur Heart J 2021; 42:1940-1958. [PMID: 36282124 DOI: 10.1093/eurheartj/ehab197] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 02/17/2021] [Accepted: 03/16/2021] [Indexed: 12/12/2022] Open
Abstract
Described as the 'single largest unmet need in cardiovascular medicine', heart failure with preserved ejection fraction (HFpEF) remains an untreatable disease currently representing 65% of new heart failure diagnoses. HFpEF is more frequent among women and associates with a poor prognosis and unsustainable healthcare costs. Moreover, the variability in HFpEF phenotypes amplifies complexity and difficulties in the approach. In this perspective, unveiling novel molecular targets is imperative. Epigenetic modifications-defined as changes of DNA, histones, and non-coding RNAs (ncRNAs)-represent a molecular framework through which the environment modulates gene expression. Epigenetic signals acquired over the lifetime lead to chromatin remodelling and affect transcriptional programmes underlying oxidative stress, inflammation, dysmetabolism, and maladaptive left ventricular remodelling, all conditions predisposing to HFpEF. The strong involvement of epigenetic signalling in this setting makes the epigenetic information relevant for diagnostic and therapeutic purposes in patients with HFpEF. The recent advances in high-throughput sequencing, computational epigenetics, and machine learning have enabled the identification of reliable epigenetic biomarkers in cardiovascular patients. Contrary to genetic tools, epigenetic biomarkers mirror the contribution of environmental cues and lifestyle changes and their reversible nature offers a promising opportunity to monitor disease states. The growing understanding of chromatin and ncRNAs biology has led to the development of several Food and Drug Administration approved 'epidrugs' (chromatin modifiers, mimics, anti-miRs) able to prevent transcriptional alterations underpinning left ventricular remodelling and HFpEF. In the present review, we discuss the importance of clinical epigenetics as a new tool to be employed for a personalized management of HFpEF.
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Affiliation(s)
- Nazha Hamdani
- Institute of Physiology, Ruhr University, Bochum, Germany.,Molecular and Experimental Cardiology, Ruhr University, Bochum, Germany.,Department of Cardiology, St-Josef Hospital, Ruhr University, Bochum, Germany.,Clinical Pharmacology, Ruhr University, Bochum, Germany
| | - Sarah Costantino
- Center for Molecular Cardiology, University of Zürich, Wagistrasse 12, Schlieren CH-8952, Switzerland
| | - Andreas Mügge
- Molecular and Experimental Cardiology, Ruhr University, Bochum, Germany.,Department of Cardiology, St-Josef Hospital, Ruhr University, Bochum, Germany
| | - Djamel Lebeche
- Department of Medicine, Icahn School of Medicine at Mount Sinai, Cardiovascular Research Institute, New York, NY 10029, USA.,Department of Medicine, Diabetes, Obesity and Metabolism Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA.,Department of Medicine, Graduate School of Biological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Carsten Tschöpe
- Berlin Institute of Health Center for Regenerative Therapies and Berlin-Brandenburg Center for Regenerative Therapies (BCRT), Charité-Universitätsmedizin Berlin, Berlin, Germany.,German Center for Cardiovascular Research (DZHK), Partner site Berlin, Berlin, Germany.,Department of Cardiology, Charité-Universitätsmedizin Berlin, Campus Virchow Klinikum (CVK), Berlin, Germany
| | - Thomas Thum
- Institute of Molecular and Translational Therapeutic Strategies, Hannover Medical School, Hannover, Germany.,REBIRTH Center for Translational Regenerative Medicine, Hannover Medical School, Hannover, Germany.,Fraunhofer Institute for Toxicology and Experimental Medicine (ITEM), Hannover 30625, Germany
| | - Francesco Paneni
- Center for Molecular Cardiology, University of Zürich, Wagistrasse 12, Schlieren CH-8952, Switzerland.,University Heart Center, Cardiology, University Hospital Zurich, Zürich, Switzerland.,Department of Research and Education, University Hospital Zurich, Zürich, Switzerland
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Dewanjee S, Vallamkondu J, Kalra RS, Chakraborty P, Gangopadhyay M, Sahu R, Medala V, John A, Reddy PH, De Feo V, Kandimalla R. The Emerging Role of HDACs: Pathology and Therapeutic Targets in Diabetes Mellitus. Cells 2021; 10:1340. [PMID: 34071497 PMCID: PMC8228721 DOI: 10.3390/cells10061340] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 05/22/2021] [Accepted: 05/26/2021] [Indexed: 12/22/2022] Open
Abstract
Diabetes mellitus (DM) is one of the principal manifestations of metabolic syndrome and its prevalence with modern lifestyle is increasing incessantly. Chronic hyperglycemia can induce several vascular complications that were referred to be the major cause of morbidity and mortality in DM. Although several therapeutic targets have been identified and accessed clinically, the imminent risk of DM and its prevalence are still ascending. Substantial pieces of evidence revealed that histone deacetylase (HDAC) isoforms can regulate various molecular activities in DM via epigenetic and post-translational regulation of several transcription factors. To date, 18 HDAC isoforms have been identified in mammals that were categorized into four different classes. Classes I, II, and IV are regarded as classical HDACs, which operate through a Zn-based mechanism. In contrast, class III HDACs or Sirtuins depend on nicotinamide adenine dinucleotide (NAD+) for their molecular activity. Functionally, most of the HDAC isoforms can regulate β cell fate, insulin release, insulin expression and signaling, and glucose metabolism. Moreover, the roles of HDAC members have been implicated in the regulation of oxidative stress, inflammation, apoptosis, fibrosis, and other pathological events, which substantially contribute to diabetes-related vascular dysfunctions. Therefore, HDACs could serve as the potential therapeutic target in DM towards developing novel intervention strategies. This review sheds light on the emerging role of HDACs/isoforms in diabetic pathophysiology and emphasized the scope of their targeting in DM for constituting novel interventional strategies for metabolic disorders/complications.
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Affiliation(s)
- Saikat Dewanjee
- Advanced Pharmacognosy Research Laboratory, Department of Pharmaceutical Technology, Jadavpur University, Kolkata 700032, West Bengal, India;
| | | | - Rajkumar Singh Kalra
- AIST-INDIA DAILAB, National Institute of Advanced Industrial Science & Technology (AIST), Higashi 1-1-1, Tsukuba 305 8565, Japan;
| | - Pratik Chakraborty
- Advanced Pharmacognosy Research Laboratory, Department of Pharmaceutical Technology, Jadavpur University, Kolkata 700032, West Bengal, India;
| | - Moumita Gangopadhyay
- School of Life Science and Biotechnology, ADAMAS University, Barasat, Kolkata 700126, West Bengal, India;
| | - Ranabir Sahu
- Department of Pharmaceutical Technology, University of North Bengal, Darjeeling 734013, West Bengal, India;
| | - Vijaykrishna Medala
- Applied Biology, CSIR-Indian Institute of Technology, Uppal Road, Tarnaka, Hyderabad 500007, Telangana, India;
| | - Albin John
- Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA; (A.J.); (P.H.R.)
| | - P. Hemachandra Reddy
- Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA; (A.J.); (P.H.R.)
- Neuroscience & Pharmacology, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
- Neurology, Departments of School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
- Public Health Department of Graduate School of Biomedical Sciences, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
- Department of Speech, Language and Hearing Sciences, School Health Professions, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
| | - Vincenzo De Feo
- Department of Pharmacy, University of Salerno, 84084 Fisciano, Italy
| | - Ramesh Kandimalla
- Applied Biology, CSIR-Indian Institute of Technology, Uppal Road, Tarnaka, Hyderabad 500007, Telangana, India;
- Department of Biochemistry, Kakatiya Medical College, Warangal 506007, Telangana, India
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50
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Nebbioso M, Lambiase A, Armentano M, Tucciarone G, Sacchetti M, Greco A, Alisi L. Diabetic retinopathy, oxidative stress, and sirtuins: an in depth look in enzymatic patterns and new therapeutic horizons. Surv Ophthalmol 2021; 67:168-183. [PMID: 33864872 DOI: 10.1016/j.survophthal.2021.04.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 04/03/2021] [Accepted: 04/05/2021] [Indexed: 12/16/2022]
Abstract
Diabetic retinopathy (DR) is one of the leading causes of blindness in the world. DR represents the most common microvascular complication of diabetes, and its incidence is constantly rising. The complex interactions between inflammation, oxidative stress, and the production of free oxygen radicals caused by prolonged exposure to hyperglycemia determine the development of DR. Sirtuins (SIRTs) are a recently discovered class of 7 histone deacetylases involved in cellular senescence, regulation of cell cycle, metabolic pathways, and DNA repair. SIRTs participate in the progress of several pathologies such as cancer, neurodegeneration, and metabolic diseases. In DR sirtuins 1,3,5, and 6 play an important role as they regulate the activation of the inflammatory response, insulin sensibility, and both glycolysis and gluconeogenesis. A wide spectrum of direct and indirect activators of SIRTs pathways (e.g., antagomiR, resveratrol, or glycyrrhizin) is currently being developed to treat the inflammatory cascade occurring in DR. We focus on the main metabolic and inflammatory pathways involving SIRTs and DR, as well as recent evidence on SIRTs activators that may be employed as novel therapeutic approaches to DR.
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Affiliation(s)
- Marcella Nebbioso
- Department of Sense Organs, Faculty of Medicine and Odontology, Policlinico Umberto I. Sapienza University of Rome, v. le del Policlinico 155, 00161 Rome, Italy
| | - Alessandro Lambiase
- Department of Sense Organs, Faculty of Medicine and Odontology, Policlinico Umberto I. Sapienza University of Rome, v. le del Policlinico 155, 00161 Rome, Italy.
| | - Marta Armentano
- Department of Sense Organs, Faculty of Medicine and Odontology, Policlinico Umberto I. Sapienza University of Rome, v. le del Policlinico 155, 00161 Rome, Italy
| | - Giosuè Tucciarone
- Department of Sense Organs, Faculty of Medicine and Odontology, Policlinico Umberto I. Sapienza University of Rome, v. le del Policlinico 155, 00161 Rome, Italy
| | - Marta Sacchetti
- Department of Sense Organs, Faculty of Medicine and Odontology, Policlinico Umberto I. Sapienza University of Rome, v. le del Policlinico 155, 00161 Rome, Italy
| | - Antonio Greco
- Department of Sense Organs, Faculty of Medicine and Odontology, Policlinico Umberto I. Sapienza University of Rome, v. le del Policlinico 155, 00161 Rome, Italy
| | - Ludovico Alisi
- Department of Sense Organs, Faculty of Medicine and Odontology, Policlinico Umberto I. Sapienza University of Rome, v. le del Policlinico 155, 00161 Rome, Italy
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