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Gupta V, Singh S, Singh TG. Pervasive expostulation of p53 gene promoting the precipitation of neurogenic convulsions: A journey in therapeutic advancements. Eur J Pharmacol 2024; 983:176990. [PMID: 39251181 DOI: 10.1016/j.ejphar.2024.176990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 08/17/2024] [Accepted: 09/06/2024] [Indexed: 09/11/2024]
Abstract
Epilepsy, a neurological disorder characterized by prolonged and excessive seizures, has been linked to elevated levels of the tumor suppressor gene p53, which contributes to neuronal dysfunction. This review explores the molecular mechanisms of p53 in epilepsy and discusses potential future therapeutic strategies. Research indicates that changes in p53 expression during neuronal apoptosis, neuroinflammation, and oxidative stress play a significant role in the pathogenesis of epilepsy. Elevated p53 disrupts glutamatergic neurotransmission and hyperactivates NMDA and AMPA receptors, leading to increased neuronal calcium influx, mitochondrial oxidative stress, and activation of apoptotic pathways mediated neuronal dysfunction, exacerbating epileptogenesis. The involvement of p53 in epilepsy suggests that targeting this protein could be beneficial in mitigating neuronal damage and preventing seizure recurrence. Pharmacological agents like pifithrin-α have shown promise in reducing p53-mediated apoptosis and seizure severity. Gene therapy approaches, such as viral vector-mediated delivery of wild-type p53 or RNA interference targeting mutant p53, have also been effective in restoring normal p53 function and reducing seizure susceptibility. Despite these advances, the heterogeneous nature of epilepsy and potential long-term side effects of p53 modulation present challenges. Future research should focus on elucidating the precise molecular mechanisms of p53 and developing personalized therapeutic strategies. Modulating p53 activity holds promise for reducing seizure susceptibility and improving the quality of life for individuals with epilepsy. The current review provides the understanding the intricate role of p53 in neuroinflammatory pathways, including JAK-STAT, JNK, NF-κB, Sonic Hedgehog, and Wnt, is crucial for developing targeted therapies.
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Affiliation(s)
- Vrinda Gupta
- Chitkara College of Pharmacy, Chitkara University, Rajpura, Punjab, 140401, India
| | - Shareen Singh
- Chitkara College of Pharmacy, Chitkara University, Rajpura, Punjab, 140401, India
| | - Thakur Gurjeet Singh
- Chitkara College of Pharmacy, Chitkara University, Rajpura, Punjab, 140401, India; School of Public Health, Faculty of Health, University of Technology Sydney, PO Box 123, Broadway, NSW, 2007, Australia.
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Liu H, Liu H, Huang G, Yuan H, Zhang X. The roles of pyroptosis in genitourinary diseases. Int Urol Nephrol 2024; 56:1515-1523. [PMID: 38103146 PMCID: PMC11001749 DOI: 10.1007/s11255-023-03894-6] [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: 09/02/2023] [Accepted: 11/15/2023] [Indexed: 12/17/2023]
Abstract
Pyroptosis, a form of programmed cell death distinct from apoptosis and necrosis, is thought to be closely associated with the pathogenesis of diseases. Recently, the association between pyroptosis and urinary diseases has attracted considerable attention, and a comprehensive review focusing on this issue is not available. In this study, we reviewed the role of pyroptosis in the development and progression of benign urinary diseases and urinary malignancies. Based on this, pyroptosis has been implicated in the development of urinary diseases. In summary, this review sheds light on future research directions and provides novel ideas for using pyroptosis as a powerful tool to fight urinary diseases.
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Affiliation(s)
- Haopeng Liu
- Department of Urology, The First Affiliated Hospital of Soochow University, 188 Shizi Road, Suzhou, China
| | - Haoran Liu
- Department of Urology, The First Affiliated Hospital of Soochow University, 188 Shizi Road, Suzhou, China
| | - Guoshuai Huang
- Department of Urology, The First Affiliated Hospital of Soochow University, 188 Shizi Road, Suzhou, China
| | - Hexing Yuan
- Department of Urology, The First Affiliated Hospital of Soochow University, 188 Shizi Road, Suzhou, China.
| | - Xuefeng Zhang
- Department of Urology, The First Affiliated Hospital of Soochow University, 188 Shizi Road, Suzhou, China.
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Chen H, Zhang L, Yue F, Cui C, Li Y, Zhang Q, Liang L, Meng L, Zhang C. Effects of assisted reproductive technology on gene expression in heart and spleen tissues of adult offspring mouse. Front Endocrinol (Lausanne) 2023; 14:1035161. [PMID: 37065763 PMCID: PMC10098333 DOI: 10.3389/fendo.2023.1035161] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 03/10/2023] [Indexed: 04/18/2023] Open
Abstract
OBJECTIVES Assisted reproductive technology (ART) is an important part of reproductive medicine, whose possible effects on offspring's health have drawn widespread attention in recent years. However, relevant studies are limited to postnatal short-term follow-up and lack of diverse sample sources analysis other than blood. METHODS In this study, a mouse model was used to explore the effects of ART on fetal development and gene expression in the organs of offspring in the adulthood using next-generation sequencing. The sequencing results were then analyzed. RESULTS The results showed that it caused abnormal expression in 1060 genes and 179 genes in the heart and spleen, respectively. Differentially expressed genes (DEGs) in the heart are mainly enriched in RNA synthesis and processing, and the cardiovascular system development also shows enrichment. STRING analysis identified Ccl2, Ptgs2, Rock1, Mapk14, Agt, and Wnt5a as the core interacting factors. DEGs in the spleen are significantly enriched in anti-infection and immune responses, which include the core factors Fos, Jun and Il1r2. Further exploration revealed the abnormal expression of 42 and 5 epigenetic modifiers in the heart and spleen, respectively. The expression of the imprinted genes Dhcr7, Igf2, Mest and Smoc1 decreased in the hearts of ART offspring, and the DNA methylation levels of Igf2- and Mest-imprinting control regions (ICRs) increased abnormally. CONCLUSION In the mouse model, ART can interfere with the gene expression pattern in the heart and spleen of the adult offspring and that these changes are related to the aberrant expression of epigenetic regulators.
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Affiliation(s)
- Huanhuan Chen
- Reproductive Medicine Center, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital of Henan University, Zhengzhou, Henan, China
- Henan Joint International Research Laboratory of Reproductive Bioengineering, Zhengzhou, Henan, China
| | - Lei Zhang
- Reproductive Medicine Center, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital of Henan University, Zhengzhou, Henan, China
- Henan Joint International Research Laboratory of Reproductive Bioengineering, Zhengzhou, Henan, China
| | - Feng Yue
- Reproductive Medicine Center, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital of Henan University, Zhengzhou, Henan, China
- Henan Joint International Research Laboratory of Reproductive Bioengineering, Zhengzhou, Henan, China
| | - Chenchen Cui
- Reproductive Medicine Center, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital of Henan University, Zhengzhou, Henan, China
- Henan Joint International Research Laboratory of Reproductive Bioengineering, Zhengzhou, Henan, China
| | - Yan Li
- Reproductive Medicine Center, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital of Henan University, Zhengzhou, Henan, China
- Henan Joint International Research Laboratory of Reproductive Bioengineering, Zhengzhou, Henan, China
| | - Qingwen Zhang
- Reproductive Medicine Center, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital of Henan University, Zhengzhou, Henan, China
- Henan Joint International Research Laboratory of Reproductive Bioengineering, Zhengzhou, Henan, China
| | - Linlin Liang
- Reproductive Medicine Center, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital of Henan University, Zhengzhou, Henan, China
- Henan Joint International Research Laboratory of Reproductive Bioengineering, Zhengzhou, Henan, China
| | - Li Meng
- Reproductive Medicine Center, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital of Henan University, Zhengzhou, Henan, China
- Henan Joint International Research Laboratory of Reproductive Bioengineering, Zhengzhou, Henan, China
- *Correspondence: Li Meng, ; Cuilian Zhang,
| | - Cuilian Zhang
- Reproductive Medicine Center, Henan Provincial People’s Hospital, People’s Hospital of Zhengzhou University, Henan Provincial People’s Hospital of Henan University, Zhengzhou, Henan, China
- Henan Joint International Research Laboratory of Reproductive Bioengineering, Zhengzhou, Henan, China
- *Correspondence: Li Meng, ; Cuilian Zhang,
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Meng R, Song J, Guan L, Li Q, Shi C, Su D, Ma X. Genome-wide analysis of methylation in rat fetal heart under hyperglycemia by methylation-dependent restriction site–associated DNA sequencing. PLoS One 2022; 17:e0268117. [PMID: 35544480 PMCID: PMC9094537 DOI: 10.1371/journal.pone.0268117] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 04/24/2022] [Indexed: 11/18/2022] Open
Abstract
Diabetes mellitus causes an increased incidence of congenital heart malformations. However, the pathogenesis and potential epigenetic mechanism involved in this process are unclear. In this study, we used MethylRAD sequencing to compare changes in methylation levels in the genomic landscapes in the fetal heart in a rat model of hyperglycemia. Our results showed that methylation of CCGG/CCNGG sites were mostly enriched in intergenic regions, followed by intron, exon, upstream and the 5′ and 3′ untranslated regions. qRT-PCR results confirmed the MethylRAD sequencing findings, suggesting that abnormal CCGG/CCNGG methylation in the upstream region regulated gene expression. The differential methylation genes (DMGs) based on the CCGG and CCNGG sites in the upstream region were examined by Gene Ontology and Kyoto Encyclopedia of Genes and Genomes analysis. Gene Ontology indicated that the CCGG-based DMGs involved in biological process and function were mainly related to transcription and co-SMAD binding. The CCNGG-based DMGs were mainly related to transcription and cytokine-mediated signaling pathways. Kyoto Encyclopedia of Genes and Genomes analysis indicated that CCGG-based DMGs were mainly involved in the Wnt signaling and TGF-β signaling pathways. CCNGG-based DMGs were involved in the TNF signaling and apoptosis pathways. These genes may play dominant roles in cardiomyocyte apoptosis and heart disease and require further study. These genes may also serve as potential molecular targets or diagnostic biomarkers for heart malformations under hyperglycemia.
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Affiliation(s)
- Rui Meng
- Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
- Department of Genetics, National Research Institute for Family Planning, Health Department, Beijing, China
| | - Junxian Song
- Department of Cardiology, Peking University People’s Hospital, Beijing, China
| | - Lina Guan
- Department of Genetics, National Research Institute for Family Planning, Health Department, Beijing, China
| | - Qian Li
- Department of Genetics, National Research Institute for Family Planning, Health Department, Beijing, China
| | - Cuige Shi
- Department of Genetics, National Research Institute for Family Planning, Health Department, Beijing, China
| | - Dongmei Su
- Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
- Department of Genetics, National Research Institute for Family Planning, Health Department, Beijing, China
- * E-mail: (DS); , (XM)
| | - Xu Ma
- Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
- Department of Genetics, National Research Institute for Family Planning, Health Department, Beijing, China
- * E-mail: (DS); , (XM)
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5
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Meng R, Gao Q, Liang R, Guan L, Liu S, Zhu Q, Su D, Xia Y, Ma X. Changes in gene expression in rat placenta at gestational day 16.5 in response to hyperglycemia. Gen Comp Endocrinol 2022; 320:113999. [PMID: 35217063 DOI: 10.1016/j.ygcen.2022.113999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 02/11/2022] [Accepted: 02/15/2022] [Indexed: 11/26/2022]
Abstract
Gestational diabetes mellitus (GDM) is a serious pregnancy complication. Hyperglycemia induces abnormal placental development and function. However, the mechanism is unclear. Previous research showed streptozocin (STZ) injection sustained hyperglycemia throughout pregnancy in rodents. Our current results showed that the placenta from hyperglycemic STZ-treated rats was about 20% heavier than that of controls. The relative thickness of each layer of the placenta was also significantly different on gestational day (GD) 16.5. Gene expression was analyzed by RNA sequencing to explore reasons for the abnormal placenta. In total, 2100 differential expressed genes (DEGs), including 1327 up-regulated and 773 down-regulated genes, were identified. Gene ontogeny (GO) analysis revealed DEGs involved in developmental process, growth, metabolic process, cell junction, molecular transducer activity and signaling. By KEGG analysis, DEGs were mainly related to the endocrine system, development, signal transduction and cell growth and death. The KEGG results were partly consistent with GO results, with DEGs mainly focused on biochemical signal pathways such as cell growth and death (e.g., Abl1, Bbc3 and Camk2d), and signal transduction (e.g., Abl1, Ceacam1 and Arnt). These genes may play a dominant role in abnormal cell proliferation and signaling disorders. These results suggest that DEGs play a role in diabetic-induced placental abnormalities. One or more of these DEGs may be involved in the etiology of placental weight increase caused by hyperglycemia.
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Affiliation(s)
- Rui Meng
- Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China; Department of Genetics, National Research Institute for Family Planning, Health Department, Beijing 100081, China
| | - Qianqian Gao
- Laboratory of Novel Pharmaceutical Excipients, Sustained and Controlled Release Preparations, College of Medicine and Nursing, Dezhou University, Dezhou 253023, China
| | - Ranran Liang
- College of Life Science, Dezhou University, Dezhou, Shandong, China
| | - Lina Guan
- Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Shanhe Liu
- Mudanjiang Medical College, Mudanjiang, Heilongjiang, China
| | - Qinghua Zhu
- College of Life Science, Dezhou University, Dezhou, Shandong, China
| | - Dongmei Su
- Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China; Department of Genetics, National Research Institute for Family Planning, Health Department, Beijing 100081, China.
| | - Yixin Xia
- Obstetrics and Gynecology, Peking University Shougang Hospital,Beijing, China.
| | - Xu Ma
- Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China; Department of Genetics, National Research Institute for Family Planning, Health Department, Beijing 100081, China.
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Yang H, Yang S, Shen H, Wu S, Ruan J, Lyu G. Construction of the amniotic fluid-derived exosomal ceRNA network associated with ventricular septal defect. Genomics 2021; 113:4293-4302. [PMID: 34758360 DOI: 10.1016/j.ygeno.2021.11.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 10/28/2021] [Accepted: 11/03/2021] [Indexed: 01/08/2023]
Abstract
Ventricular septal defect (VSD) is the most frequent congenital cardiac malformations. Amniotic fluid (AF) contains a higher abundance of biological compounds that could reflect fetal health information. The aims of our study were to construct a competitive endogenous RNA (ceRNA) network based on AF-derived exosomal ncRNAs. We conducted whole transcriptome profiling in six pairs of AF-derived exosomes from VSD fetuses and matched healthy controls. A total of 1252 differentially expressed (DE) mRNAs, 256 DE-miRNAs and 1090 DE-lncRNAs were found to be significantly altered in the VSD group. We constructed a ceRNA regulatory network including 46 mRNAs, 11 miRNAs and 47 lncRNAs. The expression level of 6 hub RNAs were validated using qRT-PCR. In conclusion, AF-derived exosomal VSD-related ceRNAs provide a basis for a better understanding of the role of ncRNAs in the pathogenesis and mechanisms of VSD, which may lead to the discovery of potential diagnostic biomarkers for fetal VSD.
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Affiliation(s)
- Hainan Yang
- Department of Ultrasound, the Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, China
| | - Shuping Yang
- Department of Ultrasound, Zhangzhou Affiliated Hospital of Fujian Medical University, Zhangzhou, Fujian, China
| | - Haolin Shen
- Department of Ultrasound, Zhangzhou Affiliated Hospital of Fujian Medical University, Zhangzhou, Fujian, China
| | - Shufen Wu
- Department of Ultrasound, Zhangzhou Affiliated Hospital of Fujian Medical University, Zhangzhou, Fujian, China
| | - Junxian Ruan
- Department of Ultrasound, Quanzhou Women's and Children's Hospital, Quanzhou, Fujian, China
| | - Guorong Lyu
- Department of Ultrasound, the Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, China; Collaborative Innovation Center for Maternal and Infant Health Service Application Technology of Education Ministry, Quanzhou Medical College, Quanzhou, Fujian, China.
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7
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Chen X, Xie J, Cui Y, Zhang L, Yu H, Chen J, He M, Liu S, Huang T, Chen L, Fang D, Zhu Y, Zhang S, Meng Q. Cytoskeleton-associated protein 2 (CKAP2) is regulated by vascular endothelial growth factor and p53 in retinal capillary endothelial cells under high-glucose conditions. Mol Cell Endocrinol 2021; 535:111378. [PMID: 34216644 DOI: 10.1016/j.mce.2021.111378] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 06/27/2021] [Accepted: 06/29/2021] [Indexed: 11/17/2022]
Abstract
PURPOSE We previously found the mutation frequency of cytoskeleton-associated protein 2 (CKAP2) was significantly increased in proliferative diabetic retinopathy (PDR) patients through whole exome sequencing. The present study was conducted to explore the expression and possible mechanism of CKAP2 in PDR patients and human retinal capillary endothelial cells (HRCECs) under high-glucose (HG) conditions. METHODS Expression of CKAP2 and p53 in the vitreous fluid and fibrovascular membrane (FVM) of PDR patients and HRCECs under HG conditions was observed. Cell proliferation, migration and tubule formation were assessed. Ranibizumab and siRNA transfection were used in the inhibition assay. RESULTS CKAP2 and p53 were significantly increased in the ocular tissues of PDR patients. HG combined with VEGF treatment significantly up-regulated expression of CKAP2 and p53 in HRCECs. Inhibition of CKAP2 attenuated the abilities of cell proliferation, migration and tube formation under HG conditions. Blocking VEGF or p53 significantly decreased CKAP2 expression, whereas inhibition of CKAP2 failed to alter the level of VEGF or p53. CONCLUSIONS CKAP2 is involved in the pathogenesis of PDR and regulated by VEGF and p53 under HG conditions.
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Affiliation(s)
- Xiangting Chen
- Guangdong Eye Institute, Department of Ophthalmology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China; School of Medicine, South China University of Technology, Guangzhou, China
| | - Jie Xie
- Guangdong Eye Institute, Department of Ophthalmology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Ying Cui
- Guangdong Eye Institute, Department of Ophthalmology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Liang Zhang
- Guangdong Eye Institute, Department of Ophthalmology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Honghua Yu
- Guangdong Eye Institute, Department of Ophthalmology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Jing Chen
- Research Department of Medical Science, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Mengxia He
- Guangdong Eye Institute, Department of Ophthalmology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China; School of Medicine, South China University of Technology, Guangzhou, China
| | - Shuangxin Liu
- Department of Nephrology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Tian Huang
- Guangdong Eye Institute, Department of Ophthalmology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China; The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Lu Chen
- Shenzhen Eye Hospital, Shenzhen Eye Institute, Jinan University, Shenzhen, China
| | - Dong Fang
- Shenzhen Eye Hospital, Shenzhen Eye Institute, Jinan University, Shenzhen, China
| | - Ying Zhu
- Eye Center of Xiangya Hospital, Central South University, Changsha, China
| | - Shaochong Zhang
- Shenzhen Eye Hospital, Shenzhen Eye Institute, Jinan University, Shenzhen, China.
| | - Qianli Meng
- Guangdong Eye Institute, Department of Ophthalmology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.
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Shiek SS, Mani MS, Kabekkodu SP, Dsouza HS. Health repercussions of environmental exposure to lead: Methylation perspective. Toxicology 2021; 461:152927. [PMID: 34492314 DOI: 10.1016/j.tox.2021.152927] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 07/23/2021] [Accepted: 09/01/2021] [Indexed: 12/15/2022]
Abstract
Lead (Pb) exposure has been a major public health concern for a long time now due to its permanent adverse effects on the human body. The process of lead toxicity has still not been fully understood, but recent advances in Omics technology have enabled researchers to evaluate lead-mediated alterations at the epigenome-wide level. DNA methylation is one of the widely studied and well-understood epigenetic modifications. Pb has demonstrated its ability to induce not just acute deleterious health consequences but also alters the epi-genome such that the disease manifestation happens much later in life as supported by Barkers Hypothesis of the developmental origin of health and diseases. Furthermore, these alterations are passed on to the next generation. Based on previous in-vivo, in-vitro, and human studies, this review provides an insight into the role of Pb in the development of several human disorders.
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Affiliation(s)
- Sadiya Sadiq Shiek
- Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Monica Shirley Mani
- Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Shama Prasada Kabekkodu
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India.
| | - Herman S Dsouza
- Department of Radiation Biology and Toxicology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India.
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Wang QL, Xing W, Yu C, Gao M, Deng LT. ROCK1 regulates sepsis-induced acute kidney injury via TLR2-mediated endoplasmic reticulum stress/pyroptosis axis. Mol Immunol 2021; 138:99-109. [PMID: 34365196 DOI: 10.1016/j.molimm.2021.07.022] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 07/20/2021] [Accepted: 07/27/2021] [Indexed: 12/16/2022]
Abstract
BACKGROUND It has been reported that ROCK1 participates in the progression of multiple diseases, including septic intestinal barrier, cardiac dysfunction and acute lung injury. However, its regulatory role and specific mechanism in sepsis-induced acute kidney injury (AKI) remain unclear. METHODS Cecal ligation puncture (CLP) was conducted to establish sepsis mouse model, and in vitro model was achieved by lipopolysaccharide (LPS) stimulation. Genes expression was evaluated by qRT-PCR, western blot or ELISA was conducted to assess the levels of proteins. Hoechst staining was performed to evaluate cell pyroptosis. LDH activity assay was detected to assess cytotoxicity. Immunohistochemistry was conducted to detect Ly-6G expression and neutrophils distribution in kidney tissues of mice. H&E and TUNEL staining were carried to evaluate kidney injury of mice. RESULTS Our findings illuminated that ROCK1 was highly expressed in sepsis-induced AKI, and ROCK1 knockdown inhibited NLRP3-mediated cell pyroptosis in LPS-induced HK-2 cells. Moreover, ROCK1 modulated HK-2 cell pyroptosis by regulating endoplasmic reticulum stress (ERS). TLR2 inhibitor could suppress ERS mediated cell pyroptosis under LPS treatment. Further, TLR2 activator partially reversed the effects of ROCK1 inhibition on ERS mediated pyroptosis in LPS-treated HK-2 cells and CLP mice. CONCLUSION In conclusion, ROCK1 may regulate sepsis-induced AKI via TLR2-mediated ERS/pyroptosis axis. Our data demonstrated the role and underlying mechanism of ROCK1 in septic AKI, providing theoretical basis for sepsis-induced AKI treatment.
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Affiliation(s)
- Qian-Lu Wang
- Department of Critical Care Medicine, Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan Province, People's Republic of China
| | - Wei Xing
- Department of Critical Care Medicine, Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan Province, People's Republic of China
| | - Can Yu
- Department of Critical Care Medicine, Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan Province, People's Republic of China
| | - Min Gao
- Department of Critical Care Medicine, Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan Province, People's Republic of China
| | - Long-Tian Deng
- Department of Critical Care Medicine, Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan Province, People's Republic of China.
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Neumann J, Boknik P, Kirchhefer U, Gergs U. The role of PP5 and PP2C in cardiac health and disease. Cell Signal 2021; 85:110035. [PMID: 33964402 DOI: 10.1016/j.cellsig.2021.110035] [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: 01/05/2021] [Revised: 04/16/2021] [Accepted: 05/03/2021] [Indexed: 02/08/2023]
Abstract
Protein phosphatases are important, for example, as functional antagonists of β-adrenergic stimulation of the mammalian heart. While β-adrenergic stimulations increase the phosphorylation state of regulatory proteins and therefore force of contraction in the heart, these phosphorylations are reversed and thus force is reduced by the activity of protein phosphatases. In this context the role of PP5 and PP2C is starting to unravel. They do not belong to the same family of phosphatases with regard to sequence homology, many similarities with regard to location, activation by lipids and putative substrates have been worked out over the years. We also suggest which pathways for regulation of PP5 and/or PP2C described in other tissues and not yet in the heart might be useful to look for in cardiac tissue. Both phosphatases might play a role in signal transduction of sarcolemmal receptors in the heart. Expression of PP5 and PP2C can be increased by extracellular stimuli in the heart. Because PP5 is overexpressed in failing animal and human hearts, and because overexpression of PP5 or PP2C leads to cardiac hypertrophy and KO of PP5 leads to cardiac hypotrophy, one might argue for a role of PP5 and PP2C in heart failure. Because PP5 and PP2C can reduce, at least in vitro, the phosphorylation state of proteins thought to be relevant for cardiac arrhythmias, a role of these phosphatases for cardiac arrhythmias is also probable. Thus, PP5 and PP2C might be druggable targets to treat important cardiac diseases like heart failure, cardiac hypertrophy and cardiac arrhythmias.
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Affiliation(s)
- Joachim Neumann
- Institut für Pharmakologie und Toxikologie, Medizinische Fakultät, Martin-Luther-Universität Halle-Wittenberg, Magdeburger Str. 4, D-06097 Halle, Germany.
| | - Peter Boknik
- Institut für Pharmakologie und Toxikologie, Medizinische Fakultät, Westfälische Wilhelms-Universität, Domagkstraße 12, D-48149 Münster, Germany.
| | - Uwe Kirchhefer
- Institut für Pharmakologie und Toxikologie, Medizinische Fakultät, Westfälische Wilhelms-Universität, Domagkstraße 12, D-48149 Münster, Germany.
| | - Ulrich Gergs
- Institut für Pharmakologie und Toxikologie, Medizinische Fakultät, Martin-Luther-Universität Halle-Wittenberg, Magdeburger Str. 4, D-06097 Halle, Germany.
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Men H, Cai H, Cheng Q, Zhou W, Wang X, Huang S, Zheng Y, Cai L. The regulatory roles of p53 in cardiovascular health and disease. Cell Mol Life Sci 2021; 78:2001-2018. [PMID: 33179140 PMCID: PMC11073000 DOI: 10.1007/s00018-020-03694-6] [Citation(s) in RCA: 61] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 10/22/2020] [Accepted: 10/29/2020] [Indexed: 02/06/2023]
Abstract
Cardiovascular disease (CVD) remains the leading cause of mortality globally, so further investigation is required to identify its underlying mechanisms and potential targets for its prevention. The transcription factor p53 functions as a gatekeeper, regulating a myriad of genes to maintain normal cell functions. It has received a great deal of research attention as a tumor suppressor. In the past three decades, evidence has also shown a regulatory role for p53 in the heart. Basal p53 is essential for embryonic cardiac development; it is also necessary to maintain normal heart architecture and physiological function. In pathological cardiovascular circumstances, p53 expression is elevated in both patient samples and animal models. Elevated p53 plays a regulatory role via anti-angiogenesis, pro-programmed cell death, metabolism regulation, and cell cycle arrest regulation. This largely promotes the development of CVDs, particularly cardiac remodeling in the infarcted heart, hypertrophic cardiomyopathy, dilated cardiomyopathy, and diabetic cardiomyopathy. Roles for p53 have also been found in atherosclerosis and chemotherapy-induced cardiotoxicity. However, it has different roles in cardiomyocytes and non-myocytes, even in the same model. In this review, we describe the different effects of p53 in cardiovascular physiological and pathological conditions, in addition to potential CVD therapies targeting p53.
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Affiliation(s)
- Hongbo Men
- Department of Cardiovascular Disease, First Hospital of Jilin University, Jilin University, Changchun, 130021, China
- Department of Pediatrics, Pediatric Research Institute, University of Louisville, Louisville, KY, 40202, USA
| | - He Cai
- Department of Cardiovascular Disease, First Hospital of Jilin University, Jilin University, Changchun, 130021, China
| | - Quanli Cheng
- Department of Cardiovascular Disease, First Hospital of Jilin University, Jilin University, Changchun, 130021, China
| | - Wenqian Zhou
- Department of Cardiovascular Disease, First Hospital of Jilin University, Jilin University, Changchun, 130021, China
- Department of Pediatrics, Pediatric Research Institute, University of Louisville, Louisville, KY, 40202, USA
| | - Xiang Wang
- Department of Cardiovascular Disease, First Hospital of Jilin University, Jilin University, Changchun, 130021, China
- Department of Pediatrics, Pediatric Research Institute, University of Louisville, Louisville, KY, 40202, USA
| | - Shan Huang
- Department of Cardiovascular Disease, First Hospital of Jilin University, Jilin University, Changchun, 130021, China
- Department of Pediatrics, Pediatric Research Institute, University of Louisville, Louisville, KY, 40202, USA
| | - Yang Zheng
- Department of Cardiovascular Disease, First Hospital of Jilin University, Jilin University, Changchun, 130021, China.
| | - Lu Cai
- Department of Pediatrics, Pediatric Research Institute, University of Louisville, Louisville, KY, 40202, USA.
- Department of Pharmacology and Toxicology, University of Louisville, Louisville, KY, 40202, USA.
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12
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Hu S, Su D, Sun L, Wang Z, Guan L, Liu S, Zhao B, Liu Y, Shi C, Yu J, Ma X. High-expression of ROCK1 modulates the apoptosis of lens epithelial cells in age-related cataracts by targeting p53 gene. Mol Med 2020; 26:124. [PMID: 33297931 PMCID: PMC7727231 DOI: 10.1186/s10020-020-00251-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 11/26/2020] [Indexed: 02/06/2023] Open
Abstract
Background Age-related cataract (ARC) is a serious visual impairment disease, and its pathogenesis is unclear. This article aims to investigate the role of ROCK1 in the apoptosis of lens epithelial cells (LECs) in age-related cataracts. Methods We collect anterior capsule samples from normal people, patients with age-related cataracts, young mice and naturally aging cataract mice. The oxidative stress-induced apoptosis model was constructed by cultivating HLE-B3 cells with H2O2. MTT, Hoechst 33342, and TUNEL assay were performed to explore proliferation and apoptosis. HE assay was used to observe cell morphology. The gene and protein expression were assessed by quantitative real-time PCR, western blot, immunofluorescence, and immunohistochemical staining. Result The results from the clinic and mice experiments showed that the numbers of lens epithelial cells from cataract individuals were less than the control individuals. In vitro, the apoptotic cells were increased in lens epithelial cells under H2O2 treatment. The ROCK1 protein level increased in the lens epithelial cells from age-related cataract patients and the old mice, respectively. Meanwhile, the up-regulation of the ROCK1 gene was associated with H2O2-induced HLE-B3 cells apoptosis. MTT and apoptosis assay showed ROCK1 was necessary in mediating H2O2-induced lens epithelial cells apoptosis through ROCK1 over-expression and knockdown experiment, respectively. Further investigation showed that p53 protein levels had been increased during ROCK1-mediated apoptosis in response to H2O2. Besides, ROCK1 phosphorylated p53 at ser15 to up-regulate its protein level. Conclusions This study established the novel association of ROCK1/p53 signaling with lens epithelial cells apoptosis and age-related cataract genesis.
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Affiliation(s)
- Shanshan Hu
- Hongqi Hospital of Mudanjiang Medical College, 5 Tongxiang Road, Mudanjiang, 157011, Heilongjiang, China. .,Department of Immunology, Basic Medical College of Harbin Medical University, Harbin, 150081, Heilongjiang, China.
| | - Dongmei Su
- Department of Genetics, National Research Institute for Family Planning, Health Department, Beijing, 100081, China.,Graduate School, Peking Union Medical College, Beijing, 100081, China
| | - Lei Sun
- Hongqi Hospital of Mudanjiang Medical College, 5 Tongxiang Road, Mudanjiang, 157011, Heilongjiang, China
| | - Zhongying Wang
- Hongqi Hospital of Mudanjiang Medical College, 5 Tongxiang Road, Mudanjiang, 157011, Heilongjiang, China
| | - Lina Guan
- Department of Genetics, National Research Institute for Family Planning, Health Department, Beijing, 100081, China
| | - Shanhe Liu
- Hongqi Hospital of Mudanjiang Medical College, 5 Tongxiang Road, Mudanjiang, 157011, Heilongjiang, China
| | - Baowen Zhao
- Hongqi Hospital of Mudanjiang Medical College, 5 Tongxiang Road, Mudanjiang, 157011, Heilongjiang, China
| | - Yong Liu
- Medical Research Center of Mudanjiang Medical College, Mudanjiang, 157011, Heilongjiang, China
| | - Cuige Shi
- Department of Genetics, National Research Institute for Family Planning, Health Department, Beijing, 100081, China
| | - Jianbo Yu
- Hongqi Hospital of Mudanjiang Medical College, 5 Tongxiang Road, Mudanjiang, 157011, Heilongjiang, China.
| | - Xu Ma
- Department of Genetics, National Research Institute for Family Planning, Health Department, Beijing, 100081, China. .,Graduate School, Peking Union Medical College, Beijing, 100081, China.
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13
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Wang J, Du A, Wang H, Li Y. MiR-599 regulates LPS-mediated apoptosis and inflammatory responses through the JAK2/STAT3 signalling pathway via targeting ROCK1 in human umbilical vein endothelial cells. Clin Exp Pharmacol Physiol 2020; 47:1420-1428. [PMID: 32248560 DOI: 10.1111/1440-1681.13316] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 03/21/2020] [Accepted: 03/24/2020] [Indexed: 12/17/2022]
Abstract
MicroRNA plays an integral role in the development of atherosclerosis. Our study aimed to investigate the roles of miR-599 in lipopolysaccharide (LPS)-induced endothelial damage in human umbilical vein endothelial cells (HUVECs). HUVECs were transfected with a miR-599 mimic and negative control, and then exposed to LPS. The expression of miR-599 was detected by quantitative real time-polymerase chain reaction (RT-qPCR). Cell viability was analyzed by CCK-8 assay and trypan blue exclusion assay; the formation of DNA fragments was tested by Cell Death Detection ELISA Plus kit; the incidence of apoptosis was detected by flow cytometry; the expression of p53 and cleaved-caspase 3 (c-caspase 3) was evaluated by western blot. Moreover, the mRNA levels and concentrations of tumour necrosis factor (TNF)-α, interleukin (IL)-6, ICAM-1 and VCAM-1 were assayed by RT-qPCR and ELISA. The results showed that overexpression of miR-599 increased cell viability, reduced DNA fragments, the incidence of apoptosis, as well as the protein levels of p53 and c-caspase 3 in the presence of LPS. TNF-α, IL-6, ICAM-1 and VCAM-1 mRNA levels and concentrations were also decreased upon miR-599 upregulation. In addition, the dual luciferase reporter assay demonstrated that ROCK1 is a direct target of miR-599. MiR-599 overexpression inhibited ROCK1 expression. Induced expression of ROCK1 reversed the roles of miR-599 in apoptosis and inflammation. The gain function of miR-599 function inhibited activation of the JAK2/STAT3 signalling pathway, which was abrogated by overexpression of ROCK1. Taken together, our results indicate that miR-599 attenuates LPS-caused cell apoptosis and inflammatory responses through the JAK2/STAT3 signalling pathway via targeting ROCK1.
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Affiliation(s)
- Jia Wang
- Department of Cardiology, Nursing Department, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Aolin Du
- Department of Cardiology, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Hexilin Wang
- Department of Cardiology, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Yang Li
- Department of Cardiology, The First Affiliated Hospital of China Medical University, Shenyang, China
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14
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Ocaranza MP, Moya J, Jalil JE, Lavandero S, Kalergis AM, Molina C, Gabrielli L, Godoy I, Córdova S, Castro P, Mac Nab P, Rossel V, García L, González J, Mancilla C, Fierro C, Farías L. Rho-kinase pathway activation and apoptosis in circulating leucocytes in patients with heart failure with reduced ejection fraction. J Cell Mol Med 2019; 24:1413-1427. [PMID: 31778027 PMCID: PMC6991691 DOI: 10.1111/jcmm.14819] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Revised: 08/11/2019] [Accepted: 09/01/2019] [Indexed: 01/01/2023] Open
Abstract
Background Increased Rho‐kinase activity in circulating leucocytes is observed in heart failure with reduced ejection fraction (HFrEF). However, there is little information in HFrEF regarding other Rho‐kinase pathway components an on the relationship between Rho‐kinase and apoptosis. Here, Rho‐kinase activation levels and phosphorylation of major downstream molecules and apoptosis levels were measured for the first time both in HFrEF patients and healthy individuals. Methods Cross‐sectional study comparing HFrEF patients (n = 20) and healthy controls (n = 19). Rho‐kinase activity in circulating leucocytes (peripheral blood mononuclear cells, PBMCs) was determined by myosin light chain phosphatase 1 (MYPT1) and ezrin‐radixin‐moesin (ERM) phosphorylation. Rho‐kinase cascade proteins phosphorylation p38‐MAPK, myosin light chain‐2, JAK and JNK were also analysed along with apoptosis. Results MYPT1 and ERM phosphorylation were significantly elevated in HFrEF patients, (3.9‐ and 4.8‐fold higher than in controls, respectively). JAK phosphorylation was significantly increased by 300% over controls. Phosphorylation of downstream molecules p38‐MAPK and myosin light chain‐2 was significantly higher by 360% and 490%, respectively, while JNK phosphorylation was reduced by 60%. Catecholamine and angiotensin II levels were significantly higher in HFrEF patients, while angiotensin‐(1‐9) levels were lower. Apoptosis in circulating leucocytes was significantly increased in HFrEF patients by 2.8‐fold compared with controls and significantly correlated with Rho‐kinase activation. Conclusion Rho‐kinase pathway is activated in PMBCs from HFrEF patients despite optimal treatment, and it is closely associated with neurohormonal activation and with apoptosis. ROCK cascade inhibition might induce clinical benefits in HFrEF patients, and its assessment in PMBCs could be useful to evaluate reverse remodelling and disease regression.
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Affiliation(s)
- Maria Paz Ocaranza
- Department of Cardiovascular Diseases, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile.,Advanced Center for Chronic Diseases (ACCDiS), School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Jackeline Moya
- Department of Cardiovascular Diseases, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Jorge E Jalil
- Department of Cardiovascular Diseases, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Sergio Lavandero
- Faculty of Chemical and Pharmaceutical Sciences, Advanced Center for Chronic Diseases (ACCDiS), Universidad de Chile, Santiago, Chile.,Cardiology Division, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Alexis M Kalergis
- Departament of Molecular Genetics and Microbiology, Faculty of Biological Sciences, Millennium Institute on Immunology and Immunotherapy, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Cristián Molina
- Department of Cardiovascular Diseases, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Luigi Gabrielli
- Department of Cardiovascular Diseases, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Iván Godoy
- Department of Cardiovascular Diseases, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Samuel Córdova
- Department of Cardiovascular Diseases, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Pablo Castro
- Department of Cardiovascular Diseases, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile.,Advanced Center for Chronic Diseases (ACCDiS), School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Paul Mac Nab
- Department of Cardiovascular Diseases, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Victor Rossel
- Department of Medicine, Hospital del Salvador, Medical School, Universidad de Chile, Santiago, Chile
| | - Lorena García
- Faculty of Chemical and Pharmaceutical Sciences, Advanced Center for Chronic Diseases (ACCDiS), Universidad de Chile, Santiago, Chile
| | - Javier González
- Department of Cardiovascular Diseases, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Cristián Mancilla
- Department of Cardiovascular Diseases, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Camila Fierro
- Department of Cardiovascular Diseases, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Luis Farías
- Department of Cardiovascular Diseases, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
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15
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Su D, Zhao J, Hu S, Guan L, Li Q, Shi C, Ma X, Gou J, Zhou Y. GSK3β and MCL-1 mediate cardiomyocyte apoptosis in response to high glucose. Histochem Cell Biol 2019; 152:217-225. [DOI: 10.1007/s00418-019-01798-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/04/2019] [Indexed: 12/15/2022]
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16
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Bowen ME, Attardi LD. The role of p53 in developmental syndromes. J Mol Cell Biol 2019; 11:200-211. [PMID: 30624728 PMCID: PMC6478128 DOI: 10.1093/jmcb/mjy087] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Revised: 11/22/2018] [Accepted: 01/06/2019] [Indexed: 12/17/2022] Open
Abstract
While it is well appreciated that loss of the p53 tumor suppressor protein promotes cancer, growing evidence indicates that increased p53 activity underlies the developmental defects in a wide range of genetic syndromes. The inherited or de novo mutations that cause these syndromes affect diverse cellular processes, such as ribosome biogenesis, DNA repair, and centriole duplication, and analysis of human patient samples and mouse models demonstrates that disrupting these cellular processes can activate the p53 pathway. Importantly, many of the developmental defects in mouse models of these syndromes can be rescued by loss of p53, indicating that inappropriate p53 activation directly contributes to their pathogenesis. A role for p53 in driving developmental defects is further supported by the observation that mouse strains with broad p53 hyperactivation, due to mutations affecting p53 pathway components, display a host of tissue-specific developmental defects, including hematopoietic, neuronal, craniofacial, cardiovascular, and pigmentation defects. Furthermore, germline activating mutations in TP53 were recently identified in two human patients exhibiting bone marrow failure and other developmental defects. Studies in mice suggest that p53 drives developmental defects by inducing apoptosis, restraining proliferation, or modulating other developmental programs in a cell type-dependent manner. Here, we review the growing body of evidence from mouse models that implicates p53 as a driver of tissue-specific developmental defects in diverse genetic syndromes.
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Affiliation(s)
- Margot E Bowen
- Division of Radiation and Cancer Biology in the Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA, USA
| | - Laura D Attardi
- Division of Radiation and Cancer Biology in the Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA, USA
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
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17
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Wu H, Wu J, Zhou S, Huang W, Li Y, Zhang H, Wang J, Jia Y. SRT2104 attenuates diabetes-induced aortic endothelial dysfunction via inhibition of P53. J Endocrinol 2018; 237:1-14. [PMID: 29371235 DOI: 10.1530/joe-17-0672] [Citation(s) in RCA: 18] [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: 01/03/2018] [Accepted: 01/25/2018] [Indexed: 12/28/2022]
Abstract
Endothelial dysfunction contributes to diabetic macrovascular complications. Sirtuin 1 (SIRT1) protects against diabetic vasculopathy. SRT2104 is a novel SIRT1 activator and was not previously studied for its effects on diabetes-induced aortic endothelial dysfunction. Additionally, whether or to what extent deacetylation of P53, a substrate of SIRT1, is required for the effects of SIRT1 activation was unclear, given the fact that SIRT1 has multiple targets. Moreover, little was known about the pathogenic role of P53 in diabetes-induced aortic injury. To these ends, diabetes was induced by streptozotocin in C57BL/6 mice. The diabetic mice developed enhanced aortic contractility, oxidative stress, inflammation, P53 hyperacetylation and a remarkable decrease in SIRT1 protein, the effects of which were rescued by SRT2104. In HG-treated endothelial cells (ECs), P53 siRNA and SRT2104 produced similar effects on the induction of SIRT1 and the inhibition of P53 acetylation, oxidative stress and inflammation. Interestingly, SRT2104 failed to further enhance these effects in the presence of P53 siRNA. Moreover, P53 activation by nutlin3a completely abolished SRT2104's protection against HG-induced oxidative stress and inflammation. Further, forced activation of P53 by nutlin3a increased aortic contractility in the healthy mice and generated endothelial oxidative stress and inflammation in both the normal glucose-cultured ECs and the aortas of the healthy mice. Collectively, the present study demonstrates that P53 deacetylation predominantly mediates SRT2104's protection against diabetes-induced aortic endothelial dysfunction and highlights the pathogenic role of P53 in aortic endothelial dysfunction.
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MESH Headings
- Animals
- Aorta/drug effects
- Aorta/metabolism
- Aorta/pathology
- Aorta/physiopathology
- Cells, Cultured
- Diabetes Mellitus, Experimental/complications
- Diabetes Mellitus, Experimental/metabolism
- Diabetes Mellitus, Experimental/pathology
- Diabetes Mellitus, Experimental/physiopathology
- Diabetic Angiopathies/metabolism
- Diabetic Angiopathies/pathology
- Diabetic Angiopathies/physiopathology
- Diabetic Angiopathies/prevention & control
- Down-Regulation/drug effects
- Endothelium, Vascular/drug effects
- Endothelium, Vascular/metabolism
- Endothelium, Vascular/pathology
- Endothelium, Vascular/physiopathology
- Heterocyclic Compounds, 2-Ring/pharmacology
- Male
- Mice
- Mice, Inbred C57BL
- Signal Transduction/drug effects
- Tumor Suppressor Protein p53/antagonists & inhibitors
- Tumor Suppressor Protein p53/metabolism
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Affiliation(s)
- Hao Wu
- Department of NephrologyThe Second Hospital of Jilin University, Changchun, Jilin, People's Republic of China
- The '973' National Basic Research Program of ChinaChangchun University of Chinese Medicine, Changchun, Jilin, People's Republic of China
| | - Junduo Wu
- Department of CardiologyThe Second Hospital of Jilin University, Changchun, Jilin, People's Republic of China
| | - Shengzhu Zhou
- Department of AnesthesiologyThe Second Hospital of Jilin University, Changchun, Jilin, People's Republic of China
| | - Wenlin Huang
- School of Science and TechnologyGeorgia Gwinnett College, Lawrenceville, Georgia, USA
| | - Ying Li
- Department of DermatologyAffiliated Hospital of Beihua University, Jilin, Jilin, People's Republic of China
| | - Huan Zhang
- Operating TheatreChina-Japan Union Hospital of Jilin University, Changchun, Jilin, People's Republic of China
| | - Junnan Wang
- Department of CardiologyThe Second Hospital of Jilin University, Changchun, Jilin, People's Republic of China
| | - Ye Jia
- Department of NephrologyThe First Hospital of Jilin University, Changchun, Jilin, People's Republic of China
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Su D, Zhou Y, Hu S, Guan L, Shi C, Wang Q, Chen Y, Lu C, Li Q, Ma X. Role of GAB1/PI3K/AKT signaling high glucose-induced cardiomyocyte apoptosis. Biomed Pharmacother 2017; 93:1197-1204. [DOI: 10.1016/j.biopha.2017.07.063] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Revised: 07/13/2017] [Accepted: 07/13/2017] [Indexed: 11/24/2022] Open
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