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Sengupta A, Chakraborty S, Biswas S, Patra SK, Ghosh S. S-nitrosoglutathione (GSNO) induces necroptotic cell death in K562 cells: Involvement of p73, TSC2 and SIRT1. Cell Signal 2024; 124:111377. [PMID: 39222864 DOI: 10.1016/j.cellsig.2024.111377] [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: 12/12/2023] [Revised: 08/21/2024] [Accepted: 08/30/2024] [Indexed: 09/04/2024]
Abstract
BACKGROUND Nitric oxide and Reactive Nitrogen Species are known to effect tumorigenicity. GSNO is one of the main NO carrying signalling moiety in cell. In the current study, we tried to delve into the effect of GSNO induced nitrosative stress in three different myelogenous leukemic K562, U937 and THP-1 cell lines. METHOD WST-8 assay was performed to investigate cell viability. RT-PCR and western-blot analysis were done to investigate mRNA and protein expression. Spectrophotometric and fluorimetric assays were done to investigate enzyme activities. RESULT We found that GSNO exposure led to reduced cell viability and the mode of cell death in K562 was non apoptotic in nature. GSNO promoted impaired autophagic flux and necroptosis. GSNO treatment heightened phosphorylation of AMPK and TSC2 and inhibited mTOR pathway. We observed increase in NAD+/ NADH ratio following GSNO treatment. Increase in both SIRT1 m-RNA and protein expression was observed. While total SIRT activity remained unaltered. GSNO increased tumor suppressor TAp73/ oncogenic ∆Np73 ratio in K562 cells which was correlated with cell mortality. Surprisingly, GSNO did not alter cellular redox status or redox associated protein expression. However, steep increase in total SNO and PSNO content was observed. Furthermore, inhibition of autophagy, AMPK phosphorylation or SIRT1 exacerbated the effect of GSNO. Altogether our work gives insights into GSNO mediated necroptotic event in K562 cells which can be excavated to develop NO based anticancer therapeutics. CONCLUSION Our data suggests that GSNO could induce necroptotic cell death in K562 through mitochondrial dysfunctionality and PTM of different cellular proteins.
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Affiliation(s)
- Ayantika Sengupta
- Department of Biochemistry, University of Calcutta, 35, Ballygunge Circular Road, Kolkata 700019, West Bengal, India
| | - Subhamoy Chakraborty
- Department of Biochemistry, University of Calcutta, 35, Ballygunge Circular Road, Kolkata 700019, West Bengal, India
| | - Sanchita Biswas
- Department of Biochemistry, University of Calcutta, 35, Ballygunge Circular Road, Kolkata 700019, West Bengal, India
| | - Sourav Kumar Patra
- Department of Biochemistry, University of Calcutta, 35, Ballygunge Circular Road, Kolkata 700019, West Bengal, India
| | - Sanjay Ghosh
- Department of Biochemistry, University of Calcutta, 35, Ballygunge Circular Road, Kolkata 700019, West Bengal, India.
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2
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Rucker AJ, Park CS, Li QJ, Moseman EA, Chan FKM. Necroptosis stimulates interferon-mediated protective anti-tumor immunity. Cell Death Dis 2024; 15:403. [PMID: 38858387 PMCID: PMC11164861 DOI: 10.1038/s41419-024-06801-8] [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: 01/15/2024] [Revised: 05/29/2024] [Accepted: 05/31/2024] [Indexed: 06/12/2024]
Abstract
Necroptosis is an inflammatory form of cell suicide that critically depends on the kinase activity of Receptor Interacting Protein Kinase 3 (RIPK3). Previous studies showed that immunization with necroptotic cells conferred protection against subsequent tumor challenge. Since RIPK3 can also promote apoptosis and NF-κB-dependent inflammation, it remains difficult to determine the contribution of necroptosis-associated release of damage-associated molecular patterns (DAMPs) in anti-tumor immunity. Here, we describe a system that allows us to selectively induce RIPK3-dependent necroptosis or apoptosis with minimal NF-κB-dependent inflammatory cytokine expression. In a syngeneic tumor challenge model, immunization with necroptotic cells conferred superior protection against subsequent tumor challenge. Surprisingly, this protective effect required CD4+ T cells rather than CD8+ T cells and is dependent on host type I interferon signaling. Our results provide evidence that death-dependent type I interferon production following necroptosis is sufficient to elicit protective anti-tumor immunity.
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Affiliation(s)
- A Justin Rucker
- Department of Integrative Immunobiology, Duke University School of Medicine, Durham, NC, 27710-3010, USA
- Department of Surgery, Duke University School of Medicine, Durham, NC, 27710-3010, USA
| | - Christa S Park
- Department of Integrative Immunobiology, Duke University School of Medicine, Durham, NC, 27710-3010, USA
- Johnson & Johnson Research & Development, San Diego, CA, USA
| | - Qi Jing Li
- Institute of Molecular & Cell Biology, A-STAR, Singapore, Singapore
| | - E Ashley Moseman
- Department of Integrative Immunobiology, Duke University School of Medicine, Durham, NC, 27710-3010, USA.
| | - Francis Ka-Ming Chan
- Department of Cardiology of the Second Affiliated Hospital of Zhejiang University, State Key Laboratory of Transvascular Implantation Devices, Heart Regeneration and Repair Key Laboratory of Zhejiang Province, Hangzhou, 310009, China.
- Liangzhu Laboratory, Zhejiang University School of Medicine, 1369 West Wenyi Road, Hangzhou, 311121, China.
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3
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Shen H, Ma W, Hu Y, Liu Y, Song Y, Fu L, Qin Z. Mitochondrial Sirtuins in Cancer: A Revisited Review from Molecular Mechanisms to Therapeutic Strategies. Theranostics 2024; 14:2993-3013. [PMID: 38773972 PMCID: PMC11103492 DOI: 10.7150/thno.97320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2024] [Accepted: 05/03/2024] [Indexed: 05/24/2024] Open
Abstract
The sirtuin (SIRT) family is well-known as a group of deacetylase enzymes that rely on nicotinamide adenine dinucleotide (NAD+). Among them, mitochondrial SIRTs (SIRT3, SIRT4, and SIRT5) are deacetylases located in mitochondria that regulate the acetylation levels of several key proteins to maintain mitochondrial function and redox homeostasis. Mitochondrial SIRTs are reported to have the Janus role in tumorigenesis, either tumor suppressive or oncogenic functions. Although the multi-faceted roles of mitochondrial SIRTs with tumor-type specificity in tumorigenesis, their critical functions have aroused a rising interest in discovering some small-molecule compounds, including inhibitors and activators for cancer therapy. Herein, we describe the molecular structures of mitochondrial SIRTs, focusing on elucidating their regulatory mechanisms in carcinogenesis, and further discuss the recent advances in developing their targeted small-molecule compounds for cancer therapy. Together, these findings provide a comprehensive understanding of the crucial roles of mitochondrial SIRTs in cancer and potential new therapeutic strategies.
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Affiliation(s)
- Hui Shen
- Department of Respiratory and Critical Care Medicine, Department of Breast Surgery, Department of Outpatient, and Department of Radiation Oncology, The First Hospital of China Medical University, Shenyang 110001, China
| | - Wei Ma
- Department of Respiratory and Critical Care Medicine, Department of Breast Surgery, Department of Outpatient, and Department of Radiation Oncology, The First Hospital of China Medical University, Shenyang 110001, China
| | - Yue Hu
- Department of Respiratory and Critical Care Medicine, Department of Breast Surgery, Department of Outpatient, and Department of Radiation Oncology, The First Hospital of China Medical University, Shenyang 110001, China
| | - Yuan Liu
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Yaowen Song
- Department of Respiratory and Critical Care Medicine, Department of Breast Surgery, Department of Outpatient, and Department of Radiation Oncology, The First Hospital of China Medical University, Shenyang 110001, China
| | - Leilei Fu
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Zheng Qin
- Department of Respiratory and Critical Care Medicine, Department of Breast Surgery, Department of Outpatient, and Department of Radiation Oncology, The First Hospital of China Medical University, Shenyang 110001, China
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4
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Zhang J, Ye J, Zhu S, Han B, Liu B. Context-dependent role of SIRT3 in cancer. Trends Pharmacol Sci 2024; 45:173-190. [PMID: 38242748 DOI: 10.1016/j.tips.2023.12.005] [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: 08/28/2023] [Revised: 11/13/2023] [Accepted: 12/14/2023] [Indexed: 01/21/2024]
Abstract
Sirtuin 3 (SIRT3), an NAD+-dependent deacetylase, plays a key role in the modulation of metabolic reprogramming and regulation of cell death, as well as in shaping tumor phenotypes. Owing to its critical role in determining tumor-type specificity or the direction of tumor evolution, the development of small-molecule modulators of SIRT3, including inhibitors and activators, is of significant interest. In this review, we discuss recent studies on the oncogenic or tumor-suppressive functions of SIRT3, evaluate advances in SIRT3-targeted drug discovery, and present potential avenues for the design of small-molecule modulators of SIRT3 for cancer therapy.
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Affiliation(s)
- Jin Zhang
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Jing Ye
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Shiou Zhu
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Bo Han
- State Key Laboratory of Southwestern Chinese Medicine Resources, Hospital of Chengdu University of Traditional Chinese Medicine, College of Medical Technology and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
| | - Bo Liu
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China.
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5
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Xu CQ, Li J, Liang ZQ, Zhong YL, Zhang ZH, Hu XQ, Cao YB, Chen J. Sirtuins in macrophage immune metabolism: A novel target for cardiovascular disorders. Int J Biol Macromol 2024; 256:128270. [PMID: 38000586 DOI: 10.1016/j.ijbiomac.2023.128270] [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: 08/21/2023] [Revised: 10/17/2023] [Accepted: 11/17/2023] [Indexed: 11/26/2023]
Abstract
Sirtuins (SIRT1-SIRT7), as a family of NAD+-dependent protein modifying enzymes, have various catalytic functions, such as deacetylases, dealkalylases, and deribonucleases. The Sirtuins family is directly or indirectly involved in pathophysiological processes such as glucolipid metabolism, oxidative stress, DNA repair and inflammatory response through various pathways and assumes an important role in several cardiovascular diseases such as atherosclerosis, myocardial infarction, hypertension and heart failure. A growing number of studies supports that metabolic and bioenergetic reprogramming directs the sequential process of inflammation. Failure of homeostatic restoration leads to many inflammatory diseases, and that macrophages are the central cells involving the inflammatory response and are the main source of inflammatory cytokines. Regulation of cellular metabolism has emerged as a fundamental process controlling macrophage function, but its exact signaling mechanisms remain to be revealed. Understanding the precise molecular basis of metabolic control of macrophage inflammatory processes may provide new approaches for targeting immune metabolism and inflammation. Here, we provide an update of studies in cardiovascular disease on the function and role of sirtuins in macrophage inflammation and metabolism, as well as drug candidates that may interfere with sirtuins, pointing to future prospects in this field.
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Affiliation(s)
- Chen-Qin Xu
- Institute of Vascular Anomalies, Shanghai TCM-Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200082, China
| | - Ji Li
- Department of Vascular Disease, Shanghai TCM-Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200082, China
| | - Zhi-Qiang Liang
- Department of Vascular Disease, Shanghai TCM-Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200082, China
| | - Yi-Lang Zhong
- Institute of Vascular Anomalies, Shanghai TCM-Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200082, China
| | - Zhi-Hui Zhang
- Institute of Vascular Anomalies, Shanghai TCM-Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200082, China
| | - Xue-Qing Hu
- Department of Medical Oncology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China; Peggy and Charles Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, United States of America
| | - Yong-Bing Cao
- Institute of Vascular Anomalies, Shanghai TCM-Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200082, China.
| | - Jian Chen
- Institute of Vascular Anomalies, Shanghai TCM-Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200082, China.
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Andreani C, Bartolacci C, Persico G, Casciaro F, Amatori S, Fanelli M, Giorgio M, Galié M, Tomassoni D, Wang J, Zhang X, Bick G, Coppari R, Marchini C, Amici A. SIRT6 promotes metastasis and relapse in HER2-positive breast cancer. Sci Rep 2023; 13:22000. [PMID: 38081972 PMCID: PMC10713583 DOI: 10.1038/s41598-023-49199-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 12/05/2023] [Indexed: 12/18/2023] Open
Abstract
The histone deacetylase sirtuin 6 (SIRT6) has been endowed with anti-cancer capabilities in many tumor types. Here, we investigate the impact of SIRT6-overexpression (SIRT6-OE) in Delta16HER2 mice, which are a bona fide model of HER2-positive breast cancer. After an initial delay in the tumor onset, SIRT6-OE induces a more aggressive phenotype of Delta16HER2 tumors promoting the formation of higher number of tumor foci and metastases than controls. This phenotype of SIRT6-OE tumors is associated with cancer stem cell (CSC)-like features and tumor dormancy, and low senescence and oxidative DNA damage. Accordingly, a sub-set of HER2-positive breast cancer patients with concurrent SIRT6-OE has a significant poorer relapse-free survival (RFS) probability than patients with low expression of SIRT6. ChIP-seq, RNA-seq and RT-PCR experiments indicate that SIRT6-OE represses the expression of the T-box transcription factor 3 (Tbx3) by deacetylation of H3K9ac. Accordingly, loss-of-function mutations of TBX3 or low TBX3 expression levels are predictive of poor prognosis in HER2-positive breast cancer patients. Our work indicates that high levels of SIRT6 are indicative of poor prognosis and high risk of metastasis in HER2-positive breast cancer and suggests further investigation of TBX3 as a downstream target of SIRT6 and co-marker of poor-prognosis. Our results point to a breast cancer subtype-specific effect of SIRT6 and warrant future studies dissecting the mechanisms of SIRT6 regulation in different breast cancer subtypes.
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Affiliation(s)
- Cristina Andreani
- Department of Biosciences and Veterinary Medicine, University of Camerino, 62032, Camerino, Italy.
- Department of Internal Medicine, University of Cincinnati, 45219, Cincinnati, OH, USA.
| | - Caterina Bartolacci
- Department of Biosciences and Veterinary Medicine, University of Camerino, 62032, Camerino, Italy
- Department of Internal Medicine, University of Cincinnati, 45219, Cincinnati, OH, USA
| | - Giuseppe Persico
- Department of Experimental Oncology, IRCCS-European Institute of Oncology, Via Adamello 16, 20139, Milano, Italy
| | - Francesca Casciaro
- Department of Biomedical Sciences, University of Padua, Via Ugo Bassi 58/B, 35131, Padua, Italy
| | - Stefano Amatori
- Molecular Pathology Laboratory "PaoLa", Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61032, Fano, Italy
| | - Mirco Fanelli
- Molecular Pathology Laboratory "PaoLa", Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61032, Fano, Italy
| | - Marco Giorgio
- Department of Experimental Oncology, IRCCS-European Institute of Oncology, Via Adamello 16, 20139, Milano, Italy
- Department of Biomedical Sciences, University of Padua, Via Ugo Bassi 58/B, 35131, Padua, Italy
| | - Mirco Galié
- Department of Neuroscience, Biomedicine and Movement, Section of Anatomy and Histology, University of Verona, 37134, Verona, Italy
| | - Daniele Tomassoni
- Department of Biosciences and Veterinary Medicine, University of Camerino, 62032, Camerino, Italy
| | - Junbiao Wang
- Department of Biosciences and Veterinary Medicine, University of Camerino, 62032, Camerino, Italy
| | - Xiaoting Zhang
- Department of Cancer Biology, University of Cincinnati, 45219, Cincinnati, OH, USA
| | - Gregory Bick
- Department of Cancer Biology, University of Cincinnati, 45219, Cincinnati, OH, USA
| | - Roberto Coppari
- Department of Cell Physiology and Metabolism, University of Geneva, 1211, Geneva, Switzerland
- Diabetes Center of the Faculty of Medicine, University of Geneva, 1211, Geneva, Switzerland
| | - Cristina Marchini
- Department of Biosciences and Veterinary Medicine, University of Camerino, 62032, Camerino, Italy.
| | - Augusto Amici
- Department of Biosciences and Veterinary Medicine, University of Camerino, 62032, Camerino, Italy
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7
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Zhu M, Liu D, Liu G, Zhang M, Pan F. Caspase-Linked Programmed Cell Death in Prostate Cancer: From Apoptosis, Necroptosis, and Pyroptosis to PANoptosis. Biomolecules 2023; 13:1715. [PMID: 38136586 PMCID: PMC10741419 DOI: 10.3390/biom13121715] [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: 10/17/2023] [Revised: 11/08/2023] [Accepted: 11/24/2023] [Indexed: 12/24/2023] Open
Abstract
Prostate cancer (PCa) is a complex disease and the cause of one of the highest cancer-related mortalities in men worldwide. Annually, more than 1.2 million new cases are diagnosed globally, accounting for 7% of newly diagnosed cancers in men. Programmed cell death (PCD) plays an essential role in removing infected, functionally dispensable, or potentially neoplastic cells. Apoptosis is the canonical form of PCD with no inflammatory responses elicited, and the close relationship between apoptosis and PCa has been well studied. Necroptosis and pyroptosis are two lytic forms of PCD that result in the release of intracellular contents, which induce inflammatory responses. An increasing number of studies have confirmed that necroptosis and pyroptosis are also closely related to the occurrence and progression of PCa. Recently, a novel form of PCD named PANoptosis, which is a combination of apoptosis, necroptosis, and pyroptosis, revealed the attached connection among them and may be a promising target for PCa. Apoptosis, necroptosis, pyroptosis, and PANoptosis are good examples to better understand the mechanism underlying PCD in PCa. This review aims to summarize the emerging roles and therapeutic potential of apoptosis, necroptosis, pyroptosis, and PANoptosis in PCa.
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Affiliation(s)
- Minggang Zhu
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (M.Z.); (D.L.); (M.Z.)
| | - Di Liu
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (M.Z.); (D.L.); (M.Z.)
| | - Guoqiang Liu
- Urology Department of Guangzhou First People’s Hospital, Guangzhou 510000, China;
| | - Mingrui Zhang
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (M.Z.); (D.L.); (M.Z.)
| | - Feng Pan
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; (M.Z.); (D.L.); (M.Z.)
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Elkady N, Aldesoky AI, Dawoud MM. Evaluation of ARK5 and SIRT3 expression in renal cell carcinoma and their clinical significance. Diagn Pathol 2023; 18:125. [PMID: 37996927 PMCID: PMC10666306 DOI: 10.1186/s13000-023-01409-6] [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: 03/30/2023] [Accepted: 10/26/2023] [Indexed: 11/25/2023] Open
Abstract
BACKGROUND Globally Renal Cell Carcinoma (RCC) represents 3% of malignant tumours in adults and 1.78% in Egypt. AMPK-related protein kinase 5 (ARK5) is mainly associated with a hypoxic microenvironment which is a feature of the major RCC subtypes. Additionally, it displays decreased mitochondrial respiration. SIRT3 is a mitochondrial deacetylase that modifies multiple mitochondrial proteins. MATERIAL AND METHODS Fifty eight cases of RCC, and 30 non-neoplastic cases (of End-Stage Kidney Disease (ESKD) were subjected to immunohistochemistry by ARK5 and SIRT3. The results of IHC were correlated together and correlated with the available clinicopathologic and survival data. RESULTS Although no significant difference was detected between RCC and ESKD groups regarding ARK5 expression, there was a significant association with RCC regarding H-score and nucleocytoplasmic expression (both P = 0.001). Also, SIRT3 was highly expressed in RCC in comparison to the ESKD group (H-score: P = 0.001). There were significant associations between nucleocytoplasmic ARK5 expression and higher tumour grade, low apoptotic and high mitotic indices, tumour extent, advanced tumour stage, and impaired response of tumours to chemotherapeutic drugs (P = 0.039, P = 0.001, P = 0.027, P = 0.011, P = 0.009, and P = 0.014 respectively). Moreover, the H score of ARK5 expression showed significant associations with tumour grade, apoptotic and mitotic indices, tumour extension, tumour stage, and response to therapy (P = 0.01, 0.035, 0.001, 0.004. 0.003 and 0.013). Regarding SIRT3 expression, it showed significant associations with apoptotic and mitotic indices, tumour extent, tumour stage and response to therapy (P = 0.022, 0.02, 0.042, 0.039 and 0.027). Interestingly, there was a highly significant correlation between the expression of ARK5 and SIRT3 (P = 0.009). Univariate survival analysis revealed a significant association between short survival duration and both nucleocytoplasmic expression of ARK5 and positive SIRT3 expression (P = 0.014 and 0.035). CONCLUSION ARK5 and SIRT3 are overexpressed in RCC and associated with parameters of poor prognosis as well as short survival. Both seem to influence response to therapy in RCC. So, they could be new targets for therapy that may improve tumour response and patients' survival. There is a postulated relationship that needs more extensive investigation.
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Affiliation(s)
- Noha Elkady
- Pathology Department, Faculty of Medicine, Menoufia University, Shibin El Kom, Menoufia, 32511, Egypt
| | - Amira I Aldesoky
- Clinical Oncology and Nuclear Medicine Department, Faculty of Medicine, Menoufia University, Shibin El Kom, Menoufia, Egypt
| | - Marwa Mohammed Dawoud
- Pathology Department, Faculty of Medicine, Menoufia University, Shibin El Kom, Menoufia, 32511, Egypt.
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9
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Wang G, Liu X, Liu H, Zhang X, Shao Y, Jia X. A novel necroptosis related gene signature and regulatory network for overall survival prediction in lung adenocarcinoma. Sci Rep 2023; 13:15345. [PMID: 37714937 PMCID: PMC10504370 DOI: 10.1038/s41598-023-41998-2] [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: 11/20/2022] [Accepted: 09/04/2023] [Indexed: 09/17/2023] Open
Abstract
We downloaded the mRNA expression profiles of patients with LUAD and corresponding clinical data from The Cancer Genome Atlas (TCGA) database and used the Least Absolute Shrinkage and Selection Operator Cox regression model to construct a multigene signature in the TCGA cohort, which was validated with patient data from the GEO cohort. Results showed differences in the expression levels of 120 necroptosis-related genes between normal and tumor tissues. An eight-gene signature (CYLD, FADD, H2AX, RBCK1, PPIA, PPID, VDAC1, and VDAC2) was constructed through univariate Cox regression, and patients were divided into two risk groups. The overall survival of patients in the high-risk group was significantly lower than of the patients in the low-risk group in the TCGA and GEO cohorts, indicating that the signature has a good predictive effect. The time-ROC curves revealed that the signature had a reliable predictive role in both the TCGA and GEO cohorts. Enrichment analysis showed that differential genes in the risk subgroups were associated with tumor immunity and antitumor drug sensitivity. We then constructed an mRNA-miRNA-lncRNA regulatory network, which identified lncRNA AL590666. 2/let-7c-5p/PPIA as a regulatory axis for LUAD. Real-time quantitative PCR (RT-qPCR) was used to validate the expression of the 8-gene signature. In conclusion, necroptosis-related genes are important factors for predicting the prognosis of LUAD and potential therapeutic targets.
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Affiliation(s)
- Guoyu Wang
- Department of Traditional Chinese Medicine, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Xue Liu
- Department of Respiration, The Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Huaman Liu
- Department of General Medicine, The Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Xinyue Zhang
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yumeng Shao
- College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Xinhua Jia
- Department of Respiration, The Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China.
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10
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Xu K, Liu Y, Luo H, Wang T. Efferocytosis signatures as prognostic markers for revealing immune landscape and predicting immunotherapy response in hepatocellular carcinoma. Front Pharmacol 2023; 14:1218244. [PMID: 37383726 PMCID: PMC10294713 DOI: 10.3389/fphar.2023.1218244] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Accepted: 06/02/2023] [Indexed: 06/30/2023] Open
Abstract
Background: Hepatocellular carcinoma (HCC) is a highly lethal liver cancer with late diagnosis; therefore, the identification of new early biomarkers could help reduce mortality. Efferocytosis, a process in which one cell engulfs another cell, including macrophages, dendritic cells, NK cells, etc., plays a complex role in tumorigenesis, sometimes promoting and sometimes inhibiting tumor development. However, the role of efferocytosis-related genes (ERGs) in HCC progression has been poorly studied, and their regulatory effects in HCC immunotherapy and drug targeting have not been reported. Methods: We downloaded efferocytosis-related genes from the Genecards database and screened for ERGs that showed significant expression changes between HCC and normal tissues and were associated with HCC prognosis. Machine learning algorithms were used to study prognostic gene features. CIBERSORT and pRRophetic R packages were used to evaluate the immune environment of HCC subtypes and predict treatment response. CCK-8 experiments conducted on HCC cells were used to assess the reliability of drug sensitivity prediction. Results: We constructed a prognostic prediction model composed of six genes, and the ROC curve showed good predictive accuracy of the risk model. In addition, two ERG-related subgroups in HCC showed significant differences in tumor immune landscape, immune response, and prognostic stratification. The CCK-8 experiment conducted on HCC cells confirmed the reliability of drug sensitivity prediction. Conclusion: Our study emphasizes the importance of efferocytosis in HCC progression. The risk model based on efferocytosis-related genes developed in our study provides a novel precision medicine approach for HCC patients, allowing clinicians to customize treatment plans based on unique patient characteristics. The results of our investigation carry noteworthy implications for the development of individualized treatment approaches involving immunotherapy and chemotherapy, thereby potentially facilitating the realization of personalized and more efficacious therapeutic interventions for HCC.
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Affiliation(s)
- Ke Xu
- Department of Oncology, Chongqing General Hospital, Chongqing, China
| | - Yu Liu
- Department of Oncology, Chongqing General Hospital, Chongqing, China
| | - Huiyan Luo
- Department of Oncology, Chongqing General Hospital, Chongqing, China
| | - Tengfei Wang
- Department of Equipment, Bishan Hospital of Chongqing, Chongqing, China
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11
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Li Y, Xiong C, Wu LL, Zhang BY, Wu S, Chen YF, Xu QH, Liao HF. Tumor subtypes and signature model construction based on chromatin regulators for better prediction of prognosis in uveal melanoma. Pathol Oncol Res 2023; 29:1610980. [PMID: 37362244 PMCID: PMC10287976 DOI: 10.3389/pore.2023.1610980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 05/26/2023] [Indexed: 06/28/2023]
Abstract
Background: Uveal Melanoma (UM) is the most prevalent primary intraocular malignancy in adults. This study assessed the importance of chromatin regulators (CRs) in UM and developed a model to predict UM prognosis. Methods: Gene expression data and clinical information for UM were obtained from public databases. Samples were typed according to the gene expression of CRs associated with UM prognosis. The prognostic key genes were further screened by the protein interaction network, and the risk model was to predict UM prognosis using the least absolute shrinkage and selection operator (LASSO) regression analysis and performed a test of the risk mode. In addition, we performed gene set variation analysis, tumor microenvironment, and tumor immune analysis between subtypes and risk groups to explore the mechanisms influencing the development of UM. Results: We constructed a signature model consisting of three CRs (RUVBL1, SIRT3, and SMARCD3), which was shown to be accurate, and valid for predicting prognostic outcomes in UM. Higher immune cell infiltration in poor prognostic subtypes and risk groups. The Tumor immune analysis and Tumor Immune Dysfunction and Exclusion (TIDE) score provided a basis for clinical immunotherapy in UM. Conclusion: The risk model has prognostic value for UM survival and provides new insights into the treatment of UM.
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Affiliation(s)
- Yue Li
- School of Ophthalmology and Optometry, Nanchang University, Nanchang, Jiangxi, China
- Affiliated Eye Hospital of Nanchang University, Nanchang, Jiangxi, China
- National Clinical Research Center for Ocular Diseases Jiangxi Province Division, Nanchang, Jiangxi, China
- Jiangxi Clinical Research Center for Ophthalmic Disease, Nanchang, Jiangxi, China
| | - Chao Xiong
- School of Ophthalmology and Optometry, Nanchang University, Nanchang, Jiangxi, China
- Affiliated Eye Hospital of Nanchang University, Nanchang, Jiangxi, China
- National Clinical Research Center for Ocular Diseases Jiangxi Province Division, Nanchang, Jiangxi, China
- Jiangxi Clinical Research Center for Ophthalmic Disease, Nanchang, Jiangxi, China
| | - Li Li Wu
- School of Ophthalmology and Optometry, Nanchang University, Nanchang, Jiangxi, China
- Affiliated Eye Hospital of Nanchang University, Nanchang, Jiangxi, China
- National Clinical Research Center for Ocular Diseases Jiangxi Province Division, Nanchang, Jiangxi, China
- Jiangxi Clinical Research Center for Ophthalmic Disease, Nanchang, Jiangxi, China
| | - Bo Yuan Zhang
- School of Ophthalmology and Optometry, Nanchang University, Nanchang, Jiangxi, China
- Affiliated Eye Hospital of Nanchang University, Nanchang, Jiangxi, China
- National Clinical Research Center for Ocular Diseases Jiangxi Province Division, Nanchang, Jiangxi, China
- Jiangxi Clinical Research Center for Ophthalmic Disease, Nanchang, Jiangxi, China
| | - Sha Wu
- School of Ophthalmology and Optometry, Nanchang University, Nanchang, Jiangxi, China
- Affiliated Eye Hospital of Nanchang University, Nanchang, Jiangxi, China
- National Clinical Research Center for Ocular Diseases Jiangxi Province Division, Nanchang, Jiangxi, China
- Jiangxi Clinical Research Center for Ophthalmic Disease, Nanchang, Jiangxi, China
| | - Yu Fen Chen
- School of Ophthalmology and Optometry, Nanchang University, Nanchang, Jiangxi, China
- Affiliated Eye Hospital of Nanchang University, Nanchang, Jiangxi, China
- National Clinical Research Center for Ocular Diseases Jiangxi Province Division, Nanchang, Jiangxi, China
- Jiangxi Clinical Research Center for Ophthalmic Disease, Nanchang, Jiangxi, China
| | - Qi Hua Xu
- School of Ophthalmology and Optometry, Nanchang University, Nanchang, Jiangxi, China
- Affiliated Eye Hospital of Nanchang University, Nanchang, Jiangxi, China
- National Clinical Research Center for Ocular Diseases Jiangxi Province Division, Nanchang, Jiangxi, China
- Jiangxi Clinical Research Center for Ophthalmic Disease, Nanchang, Jiangxi, China
| | - Hong Fei Liao
- School of Ophthalmology and Optometry, Nanchang University, Nanchang, Jiangxi, China
- Affiliated Eye Hospital of Nanchang University, Nanchang, Jiangxi, China
- National Clinical Research Center for Ocular Diseases Jiangxi Province Division, Nanchang, Jiangxi, China
- Jiangxi Clinical Research Center for Ophthalmic Disease, Nanchang, Jiangxi, China
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12
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Yuan ZF, Lin YD, Wu GS, Li L, Yang JP, Zhang JW. Inhibition of the AKT1/mTOR pathway through SIRT6 over expression downregulated the expression of programmed death-ligand 1 and prolonged overall survival in lung adenocarcinoma. ANNALS OF TRANSLATIONAL MEDICINE 2023; 11:21. [PMID: 36760260 PMCID: PMC9906195 DOI: 10.21037/atm-22-6218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 01/05/2023] [Indexed: 01/15/2023]
Abstract
Background Programmed death-ligand 1 (PD-L1) is a common biomarker of immune checkpoint inhibitors (ICIs). The purpose of our study was to investigate the relationship between Sirtuin 6 (SIRT6) and PD-L1 expressions in lung adenocarcinoma. Methods Recombinant plasmids containing green fluorescent protein (GFP)/no SIRT6 (h-NULL) and GFP/SIRT6 (h-SIRT6) were constructed and transfected into A549 cells by lentivirus as vector. The experiment was divided into control, h-NULL and h-SIRT6 groups. We detected apoptosis and the cell cycle by flow cytometry and observed migration and proliferation by wound-healing assays and methyl thiazolyl tetrazolium. The expressions of SIRT6, PD-L1, serine/threonine protein kinase-1 (AKT1), mammalian target of rapamycin (mTOR), B-cell lymphoma-2 (BCL-2) associated X protein (BAX), and BCL-2 were detected by real-time fluorescence quantitative reverse transcription polymerase chain reaction (qRT-PCR) and Western blot. We retrospectively analyzed the relationship between SIRT6 expression and survival in lung adenocarcinoma treated by ICIs. Results The expression of BAX, apoptosis rate, and proportion of G0G1 and G2M phases in the h-SIRT6 group were higher than in the control and h-NULL groups (P<0.05). The expressions of PD-L1, BCL-2, AKT1, and mTOR migration and proliferation rates and proportion of S phase in the h-SIRT6 group were lower than in the control and h-NULL groups (P<0.05). Survival in lung adenocarcinoma with high SIRT6 expression was better than with low SIRT6 expression. Conclusions SIRT6 over expression, through the inhibition of the AKT1/mTOR pathway, down-regulated PD-L1 expression, influenced biological behaviors, and prolonged survival of lung adenocarcinoma. SIRT6 expression may be a potential gene biomarker for immunotherapy in lung adenocarcinoma.
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Affiliation(s)
- Zi-Fu Yuan
- Department of Oncology, the Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Yi-Dong Lin
- Department of Oncology, the Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Gui-Shu Wu
- Department of Oncology, the Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Lin Li
- Department of Oncology, First People’s Hospital of Neijiang, Neijiang, China
| | - Jing-Pin Yang
- Department of Oncology, the First Hospital of Guangyuan, Guangyuan, China
| | - Jian-Wen Zhang
- Department of Oncology, the Affiliated Hospital of Southwest Medical University, Luzhou, China;,Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou, China;,Academician (Expert) workstation of Sichuan Province, Luzhou, China
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13
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Xu X, Zhang Y, Pan Z, Zhang X, Liu X, Tang L, Zhang X, Zhou F, Cheng H. Genome-wide DNA methylation of Munro's microabscess reveals the epigenetic regulation in the pathogenesis of psoriasis. Front Immunol 2022; 13:1057839. [PMID: 36569916 PMCID: PMC9773074 DOI: 10.3389/fimmu.2022.1057839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 11/25/2022] [Indexed: 12/14/2022] Open
Abstract
Introduction Munro's microabscess is a typical pathological feature in the early psoriatic lesion, mainly characterized by the accumulation of neutrophils in the epidermis. DNA methylation microenvironment of Munro's microabscess and the crosstalk with transcription and its effect on neutrophils have not yet been revealed. Methods Performed genome-wide DNA methylation analysis and further differential methylation analysis of psoriatic skin lesions with and without Munro's microabscess from two batch samples consisting of 114 former samples in the discovery stage and 21 newly-collected samples in the validation stage. Utilized GO, MEME, and other tools to conduct downstream analysis on differentially methylated sites (DMSs). Correlation analysis of methylation level and transcriptome data was also conducted. Results We observed 647 overlapping DMSs associated with Munro's microabscess. Subsequently, GO pathway analysis revealed that DNA methylation might affect the physical properties associated with skin cells through focal adhesion and cellsubstrate junction and was likely to recruit neutrophils in the epidermis. Via the MEME tool, used to investigate the possible binding transcription factors (TFs) of 20 motifs around the 647 DMSs, it was found that DNA methylation regulated the binding of AP1 family members and the recruitment of neutrophils in the epidermis through the TGF-beta pathway and the TH17 pathway. Meanwhile, combined with our earlier transcriptome data, we found DNA methylation would regulate the expressions of CFDP, SIRT6, SMG6, TRAPPC9, HSD17B7, and KIAA0415, indicating these genes would potentially promote the process of Munro's microabscess. Discussion In conclusion, DNA methylation may affect the course of psoriasis by regulating the progression of Munro's microabscess in psoriatic skin lesions.
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Affiliation(s)
- Xiaoqing Xu
- Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, Hefei, Anhui, China,Institute of Dermatology, Anhui Medical University, Hefei, Anhui, China,Key Laboratory of Dermatology (Anhui Medical University), Ministry of Education, Hefei, Anhui, China
| | - Yuxi Zhang
- Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, Hefei, Anhui, China,Institute of Dermatology, Anhui Medical University, Hefei, Anhui, China,Key Laboratory of Dermatology (Anhui Medical University), Ministry of Education, Hefei, Anhui, China
| | - Zhaobing Pan
- Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, Hefei, Anhui, China,Institute of Dermatology, Anhui Medical University, Hefei, Anhui, China,Key Laboratory of Dermatology (Anhui Medical University), Ministry of Education, Hefei, Anhui, China
| | - Xiaojing Zhang
- Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, Hefei, Anhui, China,Institute of Dermatology, Anhui Medical University, Hefei, Anhui, China,Key Laboratory of Dermatology (Anhui Medical University), Ministry of Education, Hefei, Anhui, China
| | - Xiaonan Liu
- Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, Hefei, Anhui, China,Institute of Dermatology, Anhui Medical University, Hefei, Anhui, China,Key Laboratory of Dermatology (Anhui Medical University), Ministry of Education, Hefei, Anhui, China
| | - Lili Tang
- Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, Hefei, Anhui, China,Institute of Dermatology, Anhui Medical University, Hefei, Anhui, China,Key Laboratory of Dermatology (Anhui Medical University), Ministry of Education, Hefei, Anhui, China
| | - Xiaoguang Zhang
- Department of Dermatology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China,*Correspondence: Hui Cheng, ; Fusheng Zhou, ; Xiaoguang Zhang,
| | - Fusheng Zhou
- Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, Hefei, Anhui, China,Institute of Dermatology, Anhui Medical University, Hefei, Anhui, China,Key Laboratory of Dermatology (Anhui Medical University), Ministry of Education, Hefei, Anhui, China,Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, Anhui, China,*Correspondence: Hui Cheng, ; Fusheng Zhou, ; Xiaoguang Zhang,
| | - Hui Cheng
- Department of Dermatology, the First Affiliated Hospital, Anhui Medical University, Hefei, Anhui, China,Institute of Dermatology, Anhui Medical University, Hefei, Anhui, China,Key Laboratory of Dermatology (Anhui Medical University), Ministry of Education, Hefei, Anhui, China,*Correspondence: Hui Cheng, ; Fusheng Zhou, ; Xiaoguang Zhang,
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Abstract
BACKGROUND We aimed to evaluate the correlation between serum sirtuin 6 (sirt6) level and clinicopathological characteristics and prognosis of gastric cancer (GC) patients. METHODS The serum sirt6 levels of subjects (135 cases of GC, 68 cases of atrophic gastritis, 60 cases of healthy controls) were analyzed by enzyme-linked immunosorbent assay. The predictive and prognostic values of sirt6 serum level for GC were determined by performing receiver operating characteristic curve (ROC), Kaplan-Meier analysis, as well as univariate and multivariate Cox regression, respectively. RESULTS GC patients showed lower sirt6 serum levels than that of atrophic gastritis patients and healthy control. Taking the healthy control as a reference, the area under the ROC curve (AUC) of sirt6 serum level for diagnosing GC was 0.955 with a sensitivity of 91.85% and a specificity of 90.0%. Based on ROC analysis using atrophic gastritis as the state variable, serum sirt6 had a high diagnostic efficiency for GC (AUC = 0.754). Serum sirt6 was related to the clinicopathological features (tumor size, Lauren's classification, tumor node metastasis staging, lymph node metastasis) and overall survival (log-rank χ2 = 12.22, P < .001). The AUC of serum sirt6 predicting death in GC patients was 0.731. At the optimal cutoff value (16.83 ng/mL), the sensitivity and specificity of sirt6 were 59.57% and 79.55%, respectively. Moreover, lower sirt6 level as independent risk factor was revealed to affect prognosis of GC patients (P = .018). CONCLUSION Serum sirt6 level was positively associated with the tumor stage and metastasis conditions, which could be served as diagnostic and predictive biomarkers in GC.
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Affiliation(s)
- Danyang Li
- Department of Gastrointestinal Surgery, Xianyang Central Hospital, Xianyang, Shaanxi, China
| | - Cheng Cao
- Department of Elderly Medical, Xi’an International Medical Center Hospital, Xi’an, Shaanxi, China
- * Correspondence: Cheng Cao, Department of Elderly Medical, Xi’an International Medical Center Hospital, Xi’an, NO.777, Xitai Road High Tech Zone, Shaanxi 710100, China (e-mail: )
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Zhang T, Wang Y, Inuzuka H, Wei W. Necroptosis pathways in tumorigenesis. Semin Cancer Biol 2022; 86:32-40. [PMID: 35908574 PMCID: PMC11010659 DOI: 10.1016/j.semcancer.2022.07.007] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 07/13/2022] [Accepted: 07/27/2022] [Indexed: 01/27/2023]
Abstract
Necroptosis is a caspase-independent form of programmed cell death executed by the receptor interacting protein kinase 1 (RIPK1)-RIPK3-mixed lineage kinase domain-like protein (MLKL) signaling cascade, deregulation of which can cause various human diseases including cancer. Escape from programmed cell death is a hallmark of cancer, leading to uncontrolled growth and drug resistance. Therefore, it is crucial to further understand whether necroptosis plays a key role in therapeutic resistance. In this review, we summarize the recent findings of the link between necroptosis and cancer, and discuss that targeting necroptosis is a new strategy to overcome apoptosis resistance in tumor therapy.
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Affiliation(s)
- Tao Zhang
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Yingnan Wang
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA; Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou 310006, China
| | - Hiroyuki Inuzuka
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Wenyi Wei
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA.
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16
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Onyiba CI, Scarlett CJ, Weidenhofer J. The Mechanistic Roles of Sirtuins in Breast and Prostate Cancer. Cancers (Basel) 2022; 14:cancers14205118. [PMID: 36291902 PMCID: PMC9600935 DOI: 10.3390/cancers14205118] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 10/06/2022] [Accepted: 10/14/2022] [Indexed: 12/02/2022] Open
Abstract
Simple Summary There are diverse reports of the dual role of sirtuin genes and proteins in breast and prostate cancers. This review discusses the current information on the tumor promotion or suppression roles of SIRT1–7 in breast and prostate cancers. Precisely, we highlight that sirtuins regulate various proteins implicated in proliferation, apoptosis, autophagy, chemoresistance, invasion, migration, and metastasis of both breast and prostate cancer. We also provide evidence of the direct regulation of sirtuins by miRNAs, highlighting the consequences of this regulation in breast and prostate cancer. Overall, this review reveals the potential value of sirtuins as biomarkers and/or targets for improved treatment of breast and prostate cancers. Abstract Mammalian sirtuins (SIRT1–7) are involved in a myriad of cellular processes, including apoptosis, proliferation, differentiation, epithelial-mesenchymal transition, aging, DNA repair, senescence, viability, survival, and stress response. In this review, we discuss the current information on the mechanistic roles of SIRT1–7 and their downstream effects (tumor promotion or suppression) in cancers of the breast and prostate. Specifically, we highlight the involvement of sirtuins in the regulation of various proteins implicated in proliferation, apoptosis, autophagy, chemoresistance, invasion, migration, and metastasis of breast and prostate cancer. Additionally, we highlight the available information regarding SIRT1–7 regulation by miRNAs, laying much emphasis on the consequences in the progression of breast and prostate cancer.
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Affiliation(s)
- Cosmos Ifeanyi Onyiba
- School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Ourimbah, NSW 2258, Australia
- Correspondence:
| | - Christopher J. Scarlett
- School of Environmental and Life Sciences, College of Engineering, Science and Environment, University of Newcastle, Ourimbah, NSW 2258, Australia
- Hunter Medical Research Institute, New Lambton Heights, NSW 2305, Australia
| | - Judith Weidenhofer
- School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Ourimbah, NSW 2258, Australia
- Hunter Medical Research Institute, New Lambton Heights, NSW 2305, Australia
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17
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Feng D, Zhu W, You J, Shi X, Han P, Wei W, Wei Q, Yang L. Mitochondrial Aldehyde Dehydrogenase 2 Represents a Potential Biomarker of Biochemical Recurrence in Prostate Cancer Patients. Molecules 2022; 27:6000. [PMID: 36144737 PMCID: PMC9500792 DOI: 10.3390/molecules27186000] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 09/04/2022] [Accepted: 09/06/2022] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND We aimed to explore the role of mitochondrial aldehyde dehydrogenase 2 (ALDH2) in prostate cancer (PCa) patients and provide insights into the tumor immune microenvironment (TME) for those patients undergoing radical radiotherapy. METHODS We performed all analyses using R version 3.6.3 and its suitable packages. Cytoscape 3.8.2 was used to establish network of competing endogenous RNAs (ceRNAs). RESULTS Downregulation of ADLH2 was significantly associated with higher risk of BCR-free survival (HR: 0.40, 95%CI: 0.24-0.68, p = 0.001) and metastasis-free survival (HR: 0.21, 95%CI: 0.09-0.49, p = 0.002). Additionally, ALDH2 repression contributed to significantly shorter BCR-free survival in the TCGA database (HR: 0.55, 95%CI: 0.33-0.93, p = 0.027). For immune checkpoints, patients that expressed a higher level of CD96 had a higher risk of BCR than their counterparts (HR: 1.79, 95%CI: 1.06-3.03, p = 0.032), as well as NRP1 (HR: 2.18, 95%CI: 1.29-3.69, p = 0.005). In terms of the TME parameters, the spearman analysis showed that ALDH was positively associated with B cells (r: 0.13), CD8+ T cells (r: 0.19), neutrophils (r: 0.13), and macrophages (r: 0.17). Patients with higher score of neutrophils (HR: 1.75, 95%CI: 1.03-2.95, p = 0.038), immune score (HR: 1.92, 95%CI: 1.14-3.25, p = 0.017), stromal score (HR: 2.52, 95%CI: 1.49-4.26, p = 0.001), and estimate score (HR: 1.81, 95%CI: 1.07-3.06, p = 0.028) had higher risk of BCR than their counterparts. Our ceRNA network found that PART1 might regulate the expression of ALDH via has-miR-578 and has-miR-6833-3p. Besides, PHA-793887, PI-103, and piperlongumine had better correlations with ALDH2. CONCLUSIONS We found that ALDH2 might serve as a potential biomarker predicting biochemical recurrence for PCa patients.
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Affiliation(s)
| | | | | | | | | | | | - Qiang Wei
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Lu Yang
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu 610041, China
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18
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Yapryntseva MA, Maximchik PV, Zhivotovsky B, Gogvadze V. Mitochondrial sirtuin 3 and various cell death modalities. Front Cell Dev Biol 2022; 10:947357. [PMID: 35938164 PMCID: PMC9354933 DOI: 10.3389/fcell.2022.947357] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 07/05/2022] [Indexed: 11/13/2022] Open
Abstract
Sirtuin 3, a member of the mammalian sirtuin family of proteins, is involved in the regulation of multiple processes in cells. It is a major mitochondrial NAD+-dependent deacetylase with a broad range of functions, such as regulation of oxidative stress, reprogramming of tumor cell energy pathways, and metabolic homeostasis. One of the intriguing functions of sirtuin 3 is the regulation of mitochondrial outer membrane permeabilization, a key step in apoptosis initiation/progression. Moreover, sirtuin 3 is involved in the execution of various cell death modalities, which makes sirtuin 3 a possible regulator of crosstalk between them. This review is focused on the role of sirtuin 3 as a target for tumor cell elimination and how mitochondria and reactive oxygen species (ROS) are implicated in this process.
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Affiliation(s)
| | - Polina V. Maximchik
- Faculty of Basic Medicine, Lomonosov Moscow State University, Moscow, Russia
| | - Boris Zhivotovsky
- Faculty of Basic Medicine, Lomonosov Moscow State University, Moscow, Russia
- Karolinska Institutet, Institute of Environmental Medicine, Stockholm, Sweden
| | - Vladimir Gogvadze
- Faculty of Basic Medicine, Lomonosov Moscow State University, Moscow, Russia
- Karolinska Institutet, Institute of Environmental Medicine, Stockholm, Sweden
- *Correspondence: Vladimir Gogvadze,
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19
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Wen Y, Huang H, Huang B, Liao X. HSA-miR-34a-5p regulates the SIRT1/TP53 axis in prostate cancer. Am J Transl Res 2022; 14:4493-4504. [PMID: 35958506 PMCID: PMC9360830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Accepted: 04/07/2022] [Indexed: 06/15/2023]
Abstract
SIRT1 is tightly associated with the progression of prostate cancer while the role of Hsa-miR-34a-5p in SIRT1-mediated prostate cancer is not fully understood. We have thoroughly mined the data from two databases, namely the Lipidemia and the cancer genome atlas (TCGA) and found that SIRT1 was highly expressed in human carcinoma tissues as compared to normal tissues, and patients with high SIRT1 expression level had a shorter survival time. The online tool "Gene-RADAR" was applied to investigate the interaction among SIRT1, the TP53 gene and miR-34a-5p. We found that SIRT1 was up-regulated in cancer tissues from patients diagnosed with prostate and castration-resistant prostate cancer when compared to healthy controls. Pearson analysis indicated a positive correlation between SIRT1 and miR-34a-5p, while data mining on the TargetScan database predicted the binding site between the two. An apoptosis assay of prostate cancer cells (PRAD) confirmed that the overexpression of miR-34a-5p inhibited paclitaxel-induced apoptosis and promoted cell proliferation. Cell cycle analysis verified that miR-34a-5p overexpression blocked PRAD cells in the G2/S phase of the cell cycle. Moreover, the Western blotting (WB) and quantitative PCR (qPCR) assays demonstrated that the overexpression of miR-34a-5p induced down-regulation of the SIRT-related proteins HIF2α and PGC1α, while on the contrary, it up-regulated the expression of two tumour suppressor genes, TP53 and VEGF. In conclusion, we have shown that miR-34a-5p is involved in the oncogenesis of PRAD cells via the SIRT1/TP53 axis.
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Affiliation(s)
- Yongqin Wen
- Department of Pathology, Affiliated Dongguan Hospital, Southern Medical University Dongguan 523059, Guangdong, P. R. China
| | - Huijie Huang
- Department of Pathology, Affiliated Dongguan Hospital, Southern Medical University Dongguan 523059, Guangdong, P. R. China
| | - Bo Huang
- Department of Pathology, Affiliated Dongguan Hospital, Southern Medical University Dongguan 523059, Guangdong, P. R. China
| | - Xiaomin Liao
- Department of Pathology, Affiliated Dongguan Hospital, Southern Medical University Dongguan 523059, Guangdong, P. R. China
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Necroptosis-related lncRNA signatures determine prognosis in breast cancer patients. Sci Rep 2022; 12:11268. [PMID: 35787661 PMCID: PMC9253018 DOI: 10.1038/s41598-022-15209-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 06/20/2022] [Indexed: 12/14/2022] Open
Abstract
Necroptosis is a genetically regulated form of necrotic cell death that has emerged as an important pathway in cancers. Long non-coding RNAs (lncRNAs) are key regulators of breast cancer development. Nevertheless, few studies are reporting the effect of lncRNAs in necroptosis processes and the role of necroptosis-related lncRNAs (NRLs). The present study aimed to construct a prognostic model based on NRLs in breast cancer. NRLs were identified by combining expression profiling data from The Cancer Genome Atlas (TCGA) with necroptosis-related genes. The non-negative matrix factorization (NMF) clustering analysis was conducted to identify molecular subtypes of BC, and the clinical outcome and tumor-infiltrating immune cells (TIICs) in the different molecular subtypes were analyzed. Four molecular subtypes based on NRLs were identified, and these four molecular subtypes could predict clinical features, prognosis, and tumor-infiltrating immune cells (TIICs). A 4-NRLs signature and nomogram were established and validated its predictive capability of overall survival (OS) in breast cancer patients. Analyses of clinicopathological features, prognosis, TIICs, tumor microenvironment (TME), somatic mutations, and drug response revealed significant differences between the two risk groups. In addition, we found that low-risk patients exhibited higher levels of immune checkpoints and showed higher immunogenicity in immunophenoscore (IPS) analysis. In conclusion, we constructed a prognostic model based on the expression profile of NRLs, which may facilitate the assessment of patient prognosis, immunotherapeutic responses, and maybe a promising therapeutic target in clinical practice.
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Ouyang S, Zhang Q, Lou L, Zhu K, Li Z, Liu P, Zhang X. The Double-Edged Sword of SIRT3 in Cancer and Its Therapeutic Applications. Front Pharmacol 2022; 13:871560. [PMID: 35571098 PMCID: PMC9092499 DOI: 10.3389/fphar.2022.871560] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 03/31/2022] [Indexed: 11/13/2022] Open
Abstract
Reprogramming of cellular energy metabolism is considered an emerging feature of cancer. Mitochondrial metabolism plays a crucial role in cancer cell proliferation, survival, and metastasis. As a major mitochondrial NAD+-dependent deacetylase, sirtuin3 (SIRT3) deacetylates and regulates the enzymes involved in regulating mitochondrial energy metabolism, including fatty acid oxidation, the Krebs cycle, and the respiratory chain to maintain metabolic homeostasis. In this article, we review the multiple roles of SIRT3 in various cancers, and systematically summarize the recent advances in the discovery of its activators and inhibitors. The roles of SIRT3 vary in different cancers and have cell- and tumor-type specificity. SIRT3 plays a unique function by mediating interactions between mitochondria and intracellular signaling. The critical functions of SIRT3 have renewed interest in the development of small molecule modulators that regulate its activity. Delineation of the underlying mechanism of SIRT3 as a critical regulator of cell metabolism and further characterization of the mitochondrial substrates of SIRT3 will deepen our understanding of the role of SIRT3 in tumorigenesis and progression and may provide novel therapeutic strategies for cancer targeting SIRT3.
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Affiliation(s)
- Shumin Ouyang
- National-Local Joint Engineering Laboratory of Druggability and New Drug Evaluation, Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Qiyi Zhang
- National-Local Joint Engineering Laboratory of Druggability and New Drug Evaluation, Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Linlin Lou
- National-Local Joint Engineering Laboratory of Druggability and New Drug Evaluation, Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Kai Zhu
- Innovation Practice Center, Changchun University of Chinese Medicine, Changchun, China
| | - Zeyu Li
- National-Local Joint Engineering Laboratory of Druggability and New Drug Evaluation, Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Peiqing Liu
- National-Local Joint Engineering Laboratory of Druggability and New Drug Evaluation, Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Xiaolei Zhang
- National-Local Joint Engineering Laboratory of Druggability and New Drug Evaluation, Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China
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22
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Necroptosis and Prostate Cancer: Molecular Mechanisms and Therapeutic Potential. Cells 2022; 11:cells11071221. [PMID: 35406784 PMCID: PMC8997385 DOI: 10.3390/cells11071221] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 03/31/2022] [Accepted: 04/01/2022] [Indexed: 12/16/2022] Open
Abstract
Necroptosis is a programmed form of necrosis characterized by mitochondrial alterations and plasma membrane permeabilization resulting in the release of cytoplasmic content into extracellular space, and leading to inflammatory reactions. Besides its critical role in viral defense mechanisms and inflammatory diseases, necroptosis plays pivotal functions in the drug response of tumors, including prostate cancer. Necroptosis is mainly governed by kinase enzymes, including RIP1, RIP3, and MLKL, and conversely to apoptosis, is a caspase-independent mechanism of cell death. Numerous compounds induce necroptosis in prostate cancer models, including (i) compounds of natural origin, (ii) synthetic and semisynthetic small molecules, and (iii) selenium and selenium-based nanoparticles. Here, we overview the molecular mechanisms underlying necroptosis and discuss the possible implications of drugs inducing necroptosis for prostate cancer therapy.
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23
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Colloca A, Balestrieri A, Anastasio C, Balestrieri ML, D’Onofrio N. Mitochondrial Sirtuins in Chronic Degenerative Diseases: New Metabolic Targets in Colorectal Cancer. Int J Mol Sci 2022; 23:ijms23063212. [PMID: 35328633 PMCID: PMC8949044 DOI: 10.3390/ijms23063212] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 03/09/2022] [Accepted: 03/12/2022] [Indexed: 12/23/2022] Open
Abstract
Sirtuins (SIRTs) are a family of class III histone deacetylases (HDACs) consisting of seven members, widely expressed in mammals. SIRTs mainly participate in metabolic homeostasis, DNA damage repair, cell survival, and differentiation, as well as other cancer-related biological processes. Growing evidence shows that SIRTs have pivotal roles in chronic degenerative diseases, including colorectal cancer (CRC), the third most frequent malignant disease worldwide. Metabolic alterations are gaining attention in the context of CRC development and progression, with mitochondrion representing a crucial point of complex and intricate molecular mechanisms. Mitochondrial SIRTs, SIRT2, SIRT3, SIRT4 and SIRT5, control mitochondrial homeostasis and dynamics. Here, we provide a comprehensive review on the latest advances on the role of mitochondrial SIRTs in the initiation, promotion and progression of CRC. A deeper understanding of the pathways by which mitochondrial SIRTs control CRC metabolism may provide new molecular targets for future innovative strategies for CRC prevention and therapy.
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Affiliation(s)
- Antonino Colloca
- Department of Precision Medicine, University of Campania Luigi Vanvitelli, Via L. de Crecchio 7, 80138 Naples, Italy; (A.C.); (C.A.); (N.D.)
| | - Anna Balestrieri
- Istituto Zooprofilattico Sperimentale del Mezzogiorno, U.O.C. Food Control and Food Safety, 80055 Portici, Italy;
| | - Camilla Anastasio
- Department of Precision Medicine, University of Campania Luigi Vanvitelli, Via L. de Crecchio 7, 80138 Naples, Italy; (A.C.); (C.A.); (N.D.)
| | - Maria Luisa Balestrieri
- Department of Precision Medicine, University of Campania Luigi Vanvitelli, Via L. de Crecchio 7, 80138 Naples, Italy; (A.C.); (C.A.); (N.D.)
- Correspondence: ; Tel.: +39-081-566-5865
| | - Nunzia D’Onofrio
- Department of Precision Medicine, University of Campania Luigi Vanvitelli, Via L. de Crecchio 7, 80138 Naples, Italy; (A.C.); (C.A.); (N.D.)
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24
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Järvenpää J, Rahnasto-Rilla M, Lahtela-Kakkonen M, Küblbeck J. Profiling the regulatory interplay of BET bromodomains and Sirtuins in cancer cell lines. Biomed Pharmacother 2022; 147:112652. [DOI: 10.1016/j.biopha.2022.112652] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 01/14/2022] [Accepted: 01/14/2022] [Indexed: 12/27/2022] Open
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25
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Yu H, Zhang Y, Liu M, Liao L, Wei X, Zhou R. SIRT3 deficiency affects the migration, invasion, tube formation and necroptosis of trophoblast and is implicated in the pathogenesis of preeclampsia. Placenta 2022; 120:1-9. [DOI: 10.1016/j.placenta.2022.01.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 12/30/2021] [Accepted: 01/20/2022] [Indexed: 12/14/2022]
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26
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Lu J, He X, Zhang L, Zhang R, Li W. Acetylation in Tumor Immune Evasion Regulation. Front Pharmacol 2021; 12:771588. [PMID: 34880761 PMCID: PMC8645962 DOI: 10.3389/fphar.2021.771588] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 11/05/2021] [Indexed: 12/24/2022] Open
Abstract
Acetylation is considered as one of the most common types of epigenetic modifications, and aberrant histone acetylation modifications are associated with the pathological process of cancer through the regulation of oncogenes and tumor suppressors. Recent studies have shown that immune system function and tumor immunity can also be affected by acetylation modifications. A comprehensive understanding of the role of acetylation function in cancer is essential, which may help to develop new therapies to improve the prognosis of cancer patients. In this review, we mainly discussed the functions of acetylase and deacetylase in tumor, immune system and tumor immunity, and listed the information of drugs targeting these enzymes in tumor immunotherapy.
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Affiliation(s)
- Jun Lu
- Hunan Normal University School of Medicine, Changsha, China.,Key Laboratory of Molecular Radiation Oncology Hunan Province, Changsha, China
| | - Xiang He
- Key Laboratory of Molecular Radiation Oncology Hunan Province, Changsha, China.,Xiangya Cancer Center, Xiangya Hospital, Central South University, Changsha, China
| | - Lijuan Zhang
- Department of Radiology, Xiangya Hospital, Central South University, Changsha, China
| | - Ran Zhang
- Hunan Normal University School of Medicine, Changsha, China
| | - Wenzheng Li
- Department of Radiology, Xiangya Hospital, Central South University, Changsha, China
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27
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Nie Z, Chen M, Gao Y, Huang D, Cao H, Peng Y, Guo N, Zhang S. Regulated Cell Death in Urinary Malignancies. Front Cell Dev Biol 2021; 9:789004. [PMID: 34869390 PMCID: PMC8633115 DOI: 10.3389/fcell.2021.789004] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 10/25/2021] [Indexed: 12/14/2022] Open
Abstract
Urinary malignancies refer to a series of malignant tumors that occur in the urinary system and mainly include kidney, bladder, and prostate cancers. Although local or systemic radiotherapy and chemotherapy, immunotherapy, castration therapy and other methods have been applied to treat these diseases, their high recurrence and metastasis rate remain problems for patients. With in-depth research on the pathogenesis of urinary malignant tumors, this work suggests that regulatory cell death (RCD) plays an important role in their occurrence and development. These RCD pathways are stimulated by various internal and external environmental factors and can induce cell death or permit cell survival under the control of various signal molecules, thereby affecting tumor progression or therapeutic efficacy. Among the previously reported RCD methods, necroptosis, pyroptosis, ferroptosis, and neutrophil extracellular traps (NETs) have attracted research attention. These modes transmit death signals through signal molecules, such as cysteine-aspartic proteases (caspase) family and tumor necrosis factor-α (TNF-α) that have a wide and profound influence on tumor proliferation or death and even change the sensitivity of tumor cells to therapy. This review discussed the effects of necroptosis, pyroptosis, ferroptosis, and NETs on kidney, bladder and prostate cancer and summarized the latest research and achievements in these fields. Future directions and possibility of improving the denouement of urinary system tumors treatment by targeting RCD therapy were also explored.
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Affiliation(s)
- Zhenyu Nie
- Central Laboratory, Affiliated Haikou Hospital of Xiangya Medical College, Central South University, Haikou, China
| | - Mei Chen
- Central Laboratory, Affiliated Haikou Hospital of Xiangya Medical College, Central South University, Haikou, China
| | - Yuanhui Gao
- Central Laboratory, Affiliated Haikou Hospital of Xiangya Medical College, Central South University, Haikou, China
| | - Denggao Huang
- Central Laboratory, Affiliated Haikou Hospital of Xiangya Medical College, Central South University, Haikou, China
| | - Hui Cao
- Central Laboratory, Affiliated Haikou Hospital of Xiangya Medical College, Central South University, Haikou, China
| | - Yanling Peng
- Central Laboratory, Affiliated Haikou Hospital of Xiangya Medical College, Central South University, Haikou, China
| | - Na Guo
- Central Laboratory, Affiliated Haikou Hospital of Xiangya Medical College, Central South University, Haikou, China
| | - Shufang Zhang
- Central Laboratory, Affiliated Haikou Hospital of Xiangya Medical College, Central South University, Haikou, China
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28
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Necroptosis Inhibition by Hydrogen Sulfide Alleviated Hypoxia-Induced Cardiac Fibroblasts Proliferation via Sirtuin 3. Int J Mol Sci 2021; 22:ijms222111893. [PMID: 34769322 PMCID: PMC8584899 DOI: 10.3390/ijms222111893] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 10/29/2021] [Accepted: 10/29/2021] [Indexed: 02/07/2023] Open
Abstract
Myocardial ischemia or hypoxia can induce myocardial fibroblast proliferation and myocardial fibrosis. Hydrogen sulfide (H2S) is a gasotransmitter with multiple physiological functions. In our present study, primary cardiac fibroblasts were incubated with H2S donor sodium hydrosulfide (NaHS, 50 μM) for 4 h followed by hypoxia stimulation (containing 5% CO2 and 1% O2) for 4 h. Then, the preventive effects on cardiac fibroblast proliferation and the possible mechanisms were investigated. Our results showed that NaHS reduced the cardiac fibroblast number, decreased the hydroxyproline content; inhibited the EdU positive ratio; and down-regulated the expressions of α-smooth muscle actin (α-SMA), the antigen identified by monoclonal antibody Ki67 (Ki67), proliferating cell nuclear antigen (PCNA), collagen I, and collagen III, suggesting that hypoxia-induced cardiac fibroblasts proliferation was suppressed by NaHS. NaHS improved the mitochondrial membrane potential and attenuated oxidative stress, and inhibited dynamin-related protein 1 (DRP1), but enhanced optic atrophy protein 1 (OPA1) expression. NaHS down-regulated receptor interacting protein kinase 1 (RIPK1) and RIPK3 expression, suggesting that necroptosis was alleviated. NaHS increased the sirtuin 3 (SIRT3) expressions in hypoxia-induced cardiac fibroblasts. Moreover, after SIRT3 siRNA transfection, the inhibitory effects on cardiac fibroblast proliferation, oxidative stress, and necroptosis were weakened. In summary, necroptosis inhibition by exogenous H2S alleviated hypoxia-induced cardiac fibroblast proliferation via SIRT3.
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29
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Samaržija I. Post-Translational Modifications That Drive Prostate Cancer Progression. Biomolecules 2021; 11:247. [PMID: 33572160 PMCID: PMC7915076 DOI: 10.3390/biom11020247] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Revised: 02/04/2021] [Accepted: 02/06/2021] [Indexed: 02/07/2023] Open
Abstract
While a protein primary structure is determined by genetic code, its specific functional form is mostly achieved in a dynamic interplay that includes actions of many enzymes involved in post-translational modifications. This versatile repertoire is widely used by cells to direct their response to external stimuli, regulate transcription and protein localization and to keep proteostasis. Herein, post-translational modifications with evident potency to drive prostate cancer are explored. A comprehensive list of proteome-wide and single protein post-translational modifications and their involvement in phenotypic outcomes is presented. Specifically, the data on phosphorylation, glycosylation, ubiquitination, SUMOylation, acetylation, and lipidation in prostate cancer and the enzymes involved are collected. This type of knowledge is especially valuable in cases when cancer cells do not differ in the expression or mutational status of a protein, but its differential activity is regulated on the level of post-translational modifications. Since their driving roles in prostate cancer, post-translational modifications are widely studied in attempts to advance prostate cancer treatment. Current strategies that exploit the potential of post-translational modifications in prostate cancer therapy are presented.
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Affiliation(s)
- Ivana Samaržija
- Laboratory for Epigenomics, Division of Molecular Medicine, Ruđer Bošković Institute, 10000 Zagreb, Croatia
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