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Jayab NA, Abed A, Talaat IM, Hamoudi R. The molecular mechanism of NF-κB dysregulation across different subtypes of renal cell carcinoma. J Adv Res 2024:S2090-1232(24)00314-X. [PMID: 39094893 DOI: 10.1016/j.jare.2024.07.030] [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: 04/17/2024] [Revised: 06/27/2024] [Accepted: 07/29/2024] [Indexed: 08/04/2024] Open
Abstract
BACKGROUND The nuclear factor kappa B (NF-κB) is a critical pathway that regulates various cellular functions, including immune response, proliferation, growth, and apoptosis. Furthermore, this pathway is tightly regulated to ensure stability in the presence of immunogenic triggers or genotoxic stimuli. The lack of control of the NF-κB pathway can lead to the initiation of different diseases, mainly autoimmune diseases and cancer, including Renal cell carcinoma (RCC). RCC is the most common type of kidney cancer and is characterized by complex genetic composition and elusive molecular mechanisms. AIM OF REVIEW The current review summarizes the mechanism of NF-κB dysregulation in different subtypes of RCC and its impact on pathogenesis. KEY SCIENTIFIC CONCEPT OF REVIEW This review highlights the prominent role of NF-κB in RCC development and progression by driving the expression of multiple genes and interplaying with different pathways, including the phosphatidylinositol 3-kinase (PI3K)/protein kinase B (Akt) pathway. In silico analysis of RCC cohorts and molecular studies have revealed that multiple NF-κB members and target genes are dysregulated. The dysregulation includes receptors such as TLR2, signal-transmitting members including RelA, and target genes, for instance, HIF-1α. The lack of effective regulatory mechanisms results in a constitutively active NF-κB pathway, which promotes cancer growth, migration, and survival. In this review, we comprehensively summarize the role of dysregulated NF-κB-related genes in the most common subtypes of RCC, including clear cell RCC (ccRCC), chromophobe RCC (chRCC), and papillary RCC (PRCC).
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Affiliation(s)
- Nour Abu Jayab
- Research Institute for Medical and Health Sciences, University of Sharjah, 27272 Sharjah, United Arab Emirates; Department of Clinical Sciences, College of Medicine, University of Sharjah, 27272 Sharjah, United Arab Emirates
| | - Alaa Abed
- Research Institute for Medical and Health Sciences, University of Sharjah, 27272 Sharjah, United Arab Emirates; ASPIRE Precision Medicine Research Institute Abu Dhabi, University of Sharjah, 27272 Sharjah, United Arab Emirates
| | - Iman M Talaat
- Research Institute for Medical and Health Sciences, University of Sharjah, 27272 Sharjah, United Arab Emirates; Department of Clinical Sciences, College of Medicine, University of Sharjah, 27272 Sharjah, United Arab Emirates; Pathology Department, Faculty of Medicine, Alexandria University, 21131 Alexandria, Egypt.
| | - Rifat Hamoudi
- Research Institute for Medical and Health Sciences, University of Sharjah, 27272 Sharjah, United Arab Emirates; Center of Excellence for Precision Medicine, Research Institute of Medical and Health Sciences, University of Sharjah, 27272 Sharjah, United Arab Emirates; Department of Clinical Sciences, College of Medicine, University of Sharjah, 27272 Sharjah, United Arab Emirates; BIMAI-Lab, Biomedically Informed Artificial Intelligence Laboratory, University of Sharjah, 27272 Sharjah, United Arab Emirates; Division of Surgery and Interventional Science, University College London, London, United Kingdom; ASPIRE Precision Medicine Research Institute Abu Dhabi, University of Sharjah, 27272 Sharjah, United Arab Emirates.
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Ramar V, Guo S, Hudson B, Khedri A, Guo AA, Li J, Liu M. Interaction of NF-κB and FOSL1 drives glioma stemness. Cell Mol Life Sci 2024; 81:255. [PMID: 38856747 DOI: 10.1007/s00018-024-05293-1] [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: 01/20/2024] [Revised: 05/21/2024] [Accepted: 05/25/2024] [Indexed: 06/11/2024]
Abstract
Glioblastoma multiforme (GBM) is the most common and malignant primary brain tumor; GBM's inevitable recurrence suggests that glioblastoma stem cells (GSC) allow these tumors to persist. Our previous work showed that FOSL1, transactivated by the STAT3 gene, functions as a tumorigenic gene in glioma pathogenesis and acts as a diagnostic marker and potential drug target in glioma patients. Accumulating evidence shows that STAT3 and NF-κB cooperate to promote the development and progression of various cancers. The link between STAT3 and NF-κB suggests that NF-κB can also transcriptionally regulate FOSL1 and contribute to gliomagenesis. To investigate downstream molecules of FOSL1, we analyzed the transcriptome after overexpressing FOSL1 in a PDX-L14 line characterized by deficient FOSL1 expression. We then conducted immunohistochemical staining for FOSL1 and NF-κB p65 using rabbit polyclonal anti-FOSL1 and NF-κB p65 in glioma tissue microarrays (TMA) derived from 141 glioma patients and 15 healthy individuals. Next, mutants of the human FOSL1 promoter, featuring mutations in essential binding sites for NF-κB were generated using a Q5 site-directed mutagenesis kit. Subsequently, we examined luciferase activity in glioma cells and compared it to the wild-type FOSL1 promoter. Then, we explored the mutual regulation between NF-κB signaling and FOSL1 by modulating the expression of NF-κB or FOSL1. Subsequently, we assessed the activity of FOSL1 and NF-κB. To understand the role of FOSL1 in cell growth and stemness, we conducted a CCK-8 assay and cell cycle analysis, assessing apoptosis and GSC markers, ALDH1, and CD133 under varying FOSL1 expression conditions. Transcriptome analyses of downstream molecules of FOSL1 show that NF-κB signaling pathway is regulated by FOSL1. NF-κB p65 protein expression correlates to the expression of FOSL1 in glioma patients, and both are associated with glioma grades. NF-κB is a crucial transcription factor activating the FOSL1 promoter in glioma cells. Mutual regulation between NF-κB and FOSL1 contributes to glioma tumorigenesis and stemness through promoting G1/S transition and inhibiting apoptosis. Therefore, the FOSL1 molecular pathway is functionally connected to NF-κB activation, enhances stemness, and is indicative that FOSL1 may potentially be a novel GBM drug target.
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Affiliation(s)
- Vanajothi Ramar
- Department of Microbiology, Biochemistry & Immunology, Morehouse School of Medicine, Atlanta, USA
| | - Shanchun Guo
- Department of Chemistry, Xavier University, 1 Drexel Dr, New Orleans, LA, USA
| | - Breanna Hudson
- Department of Microbiology, Biochemistry & Immunology, Morehouse School of Medicine, Atlanta, USA
| | - Azam Khedri
- Department of Microbiology, Biochemistry & Immunology, Morehouse School of Medicine, Atlanta, USA
| | - Alyssa A Guo
- Wake Forest University School of Medicine, 475 Vine Street, Winston-Salem, NC, USA
| | - Jason Li
- Wake Forest University School of Medicine, 475 Vine Street, Winston-Salem, NC, USA
| | - Mingli Liu
- Department of Microbiology, Biochemistry & Immunology, Morehouse School of Medicine, Atlanta, USA.
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Li Z, Yu Z, Cui S, Hu S, Li B, Chen T, Qu C, Yang B. AMPA receptor inhibition alleviates inflammatory response and myocardial apoptosis after myocardial infarction by inhibiting TLR4/NF-κB signaling pathway. Int Immunopharmacol 2024; 133:112080. [PMID: 38613882 DOI: 10.1016/j.intimp.2024.112080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2024] [Revised: 03/28/2024] [Accepted: 04/09/2024] [Indexed: 04/15/2024]
Abstract
Myocardial infarction leads to myocardial inflammation and apoptosis, which are crucial factors leading to heart failure and cardiovascular dysfunction, eventually resulting in death. While the inhibition of AMPA receptors mitigates inflammation and tissue apoptosis, the effectiveness of this inhibition in the pathophysiological processes of myocardial infarction remains unclear. This study investigated the role of AMPA receptor inhibition in myocardial infarction and elucidated the underlying mechanisms. This study established a myocardial infarction model by ligating the left anterior descending branch of the coronary artery in Sprague-Dawley rats. The findings suggested that injecting the AMPA receptor antagonist NBQX into myocardial infarction rats effectively alleviated cardiac inflammation, myocardial necrosis, and apoptosis and improved their cardiac contractile function. Conversely, injecting the AMPA receptor agonist CX546 into infarcted rats exacerbated the symptoms and tissue damage, as reflected by histopathology. This agonist also stimulated the TLR4/NF-κB pathway, further deteriorating cardiac function. Furthermore, the investigations revealed that AMPA receptor inhibition hindered the nuclear translocation of P65, blocking its downstream signaling pathway and attenuating tissue inflammation. In summary, this study affirmed the potential of AMPA receptor inhibition in countering inflammation and tissue apoptosis after myocardial infarction, making it a promising therapeutic target for mitigating myocardial infarction.
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Affiliation(s)
- Zixuan Li
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Cardiovascular Research Institute, Wuhan University, Wuhan 430060, China; Hubei Key Laboratory of Cardiology, Wuhan 430060, China
| | - Zhili Yu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Cardiovascular Research Institute, Wuhan University, Wuhan 430060, China; Hubei Key Laboratory of Cardiology, Wuhan 430060, China
| | - Shengyu Cui
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Cardiovascular Research Institute, Wuhan University, Wuhan 430060, China; Hubei Key Laboratory of Cardiology, Wuhan 430060, China
| | - Shan Hu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Cardiovascular Research Institute, Wuhan University, Wuhan 430060, China; Hubei Key Laboratory of Cardiology, Wuhan 430060, China
| | - Bin Li
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Cardiovascular Research Institute, Wuhan University, Wuhan 430060, China; Hubei Key Laboratory of Cardiology, Wuhan 430060, China
| | - Tao Chen
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Cardiovascular Research Institute, Wuhan University, Wuhan 430060, China; Hubei Key Laboratory of Cardiology, Wuhan 430060, China
| | - Chuan Qu
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Cardiovascular Research Institute, Wuhan University, Wuhan 430060, China; Hubei Key Laboratory of Cardiology, Wuhan 430060, China.
| | - Bo Yang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, China; Cardiovascular Research Institute, Wuhan University, Wuhan 430060, China; Hubei Key Laboratory of Cardiology, Wuhan 430060, China.
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Yin F, Zhang Y, Zhang X, Zhang M, Zhang Z, Yin Y, Xu H, Yang Y, Gao Y. The ROS/NF-κB/HK2 axis is involved in the arsenic-induced Warburg effect in human L-02 hepatocytes. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2024; 34:150-165. [PMID: 36264688 DOI: 10.1080/09603123.2022.2134559] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 10/04/2022] [Indexed: 06/16/2023]
Abstract
Arsenic has been identified as a carcinogen, although the molecular mechanism underlying itscarcinogenesis has not been fully elucidated. To date, only a few studies have attempted to confirm a direct link between oxidative stress and the Warburg effect . This study demonstrated that 0.2 μmol/L As3+ induced the Warburg effect to contribute to abnormal proliferation of L-02 cells, that was mediated by upregulation of hexokinase 2 (HK2), a key enzyme in glycolysis. Further study indicated that arsenic-induced accumulation of reactive oxygen species (ROS) activated the nuclear factor kappa B (NF-κB) signaling pathway by phosphorylation of p65 at the Ser536 and Ser276 sites, leading to upregulated expression of HK2. We therefore concluded that the ROS/NF-κB/HK2 axis contributes to the Warburg effect and cell proliferation induced by low doses of arsenic.AbbreviationsROS, Reactive oxygen species; NAC, N-acetyl-L-cysteine; 2-DG, 2-deoxy-D-glucose; 2-NBDG, 2-Deoxy-2-[(7-nitro-2,1,3-benzoxadiazol-4-yl)amino]-D-glucose.
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Affiliation(s)
- Fanshuo Yin
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, Heilongjiang, China
- Key Lab of Etiology and Epidemiology, Education Bureau of Heilongjiang Province & Ministry of Health of P. R. China, Harbin Medical University, Harbin, Heilongjiang, China
| | - Ying Zhang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, Heilongjiang, China
- Key Lab of Etiology and Epidemiology, Education Bureau of Heilongjiang Province & Ministry of Health of P. R. China, Harbin Medical University, Harbin, Heilongjiang, China
| | - Xin Zhang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, Heilongjiang, China
- Key Lab of Etiology and Epidemiology, Education Bureau of Heilongjiang Province & Ministry of Health of P. R. China, Harbin Medical University, Harbin, Heilongjiang, China
| | - Meichen Zhang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, Heilongjiang, China
- Key Lab of Etiology and Epidemiology, Education Bureau of Heilongjiang Province & Ministry of Health of P. R. China, Harbin Medical University, Harbin, Heilongjiang, China
| | - Zaihong Zhang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, Heilongjiang, China
- Key Lab of Etiology and Epidemiology, Education Bureau of Heilongjiang Province & Ministry of Health of P. R. China, Harbin Medical University, Harbin, Heilongjiang, China
| | - Yunyi Yin
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, Heilongjiang, China
- Key Lab of Etiology and Epidemiology, Education Bureau of Heilongjiang Province & Ministry of Health of P. R. China, Harbin Medical University, Harbin, Heilongjiang, China
| | - Haili Xu
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, Heilongjiang, China
- Key Lab of Etiology and Epidemiology, Education Bureau of Heilongjiang Province & Ministry of Health of P. R. China, Harbin Medical University, Harbin, Heilongjiang, China
| | - Yanmei Yang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, Heilongjiang, China
| | - Yanhui Gao
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, Heilongjiang, China
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Wang Y, Hu S, Zhang W, Zhang B, Yang Z. Emerging role and therapeutic implications of p53 in intervertebral disc degeneration. Cell Death Discov 2023; 9:433. [PMID: 38040675 PMCID: PMC10692240 DOI: 10.1038/s41420-023-01730-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 11/11/2023] [Accepted: 11/16/2023] [Indexed: 12/03/2023] Open
Abstract
Lower back pain (LBP) is a common degenerative musculoskeletal disease that imposes a huge economic burden on both individuals and society. With the aggravation of social aging, the incidence of LBP has increased globally. Intervertebral disc degeneration (IDD) is the primary cause of LBP. Currently, IDD treatment strategies include physiotherapy, medication, and surgery; however, none can address the root cause by ending the degeneration of intervertebral discs (IVDs). However, in recent years, targeted therapy based on specific molecules has brought hope for treating IDD. The tumor suppressor gene p53 produces a transcription factor that regulates cell metabolism and survival. Recently, p53 was shown to play an important role in maintaining IVD microenvironment homeostasis by regulating IVD cell senescence, apoptosis, and metabolism by activating downstream target genes. This study reviews research progress regarding the potential role of p53 in IDD and discusses the challenges of targeting p53 in the treatment of IDD. This review will help to elucidate the pathogenesis of IDD and provide insights for the future development of precision treatments.
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Affiliation(s)
- Yidian Wang
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China.
| | - Shouye Hu
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Weisong Zhang
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Binfei Zhang
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Zhi Yang
- Department of Joint Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China.
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Li L, Li Z, Meng X, Wang X, Song D, Liu Y, Xu T, Qin J, Sun N, Tian K, Zhong J, Yu D, Song Y, Hou T, Jiang C, Chen Q, Cai J. Histone lactylation-derived LINC01127 promotes the self-renewal of glioblastoma stem cells via the cis-regulating the MAP4K4 to activate JNK pathway. Cancer Lett 2023; 579:216467. [PMID: 38084701 DOI: 10.1016/j.canlet.2023.216467] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 10/19/2023] [Accepted: 10/25/2023] [Indexed: 12/18/2023]
Abstract
Gliomas are the most prevalent and aggressive brain tumors, exhibiting high proliferation, abnormal glycolysis, and poor prognosis. LncRNAs act as regulatory molecules and play crucial roles in the malignant behaviors of GBM cells, including cell self-renewal. However, the regulatory mechanisms involved are largely unknown. In this study, we performed bioinformatics analysis to explore NF-κB pathway-related lncRNAs. ECAR and qRT-PCR were used to measure the relationship between glycolytic activity and lncRNA expression. Assays such as RIP-PCR and ChIP-PCR were employed to reveal the regulatory mechanisms of the lncRNA. Neurosphere formation and limiting dilution assays were performed to evaluate the self-renewal capacity of GBM cells. In our study, we identified an NF-κB pathway-related lncRNA named LINC01127 in GBM, which was found to be associated with poor progression of GBM. Functionally, the NF-κB pathway promoted warburg effect, which, in turn, induced the lactylation of H3 histone and increased the expression of LINC01127. Consequently, this enhancement of LINC01127 expression led to the promotion of self-renewal in GBM cells. Furthermore, LINC01127 regulated MAP4K4 expression in cis by directly guiding POLR2A to the MAP4K4 promoter regions, thereby leading to JNK pathway activation, and ultimately modulating the self-renewal of GBM cells. Moreover, the activated JNK pathway promoted the phosphorylation of IκBα. Overall, targeting LINC01127-mediated axis impeded orthotopic tumor growth in GBM xenografts. Taken together these results revealed that warburg effect-induced histone lactylation drives NF-κB-related LINC01127 expression, thereby promoting the self-renewal of GBM cells through the MAP4K4/JNK/NF-κB axis, and providing substantial evidence that LINC01127 might provide a novel therapeutic strategy for GBM patients.
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Affiliation(s)
- Lulu Li
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, #246 Xuefu Road, 150086, Harbin, Heilongjiang Province, PR China; Department of Vascular Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, 250021, Jinan, Shandong Province, PR China
| | - Ziwei Li
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, #246 Xuefu Road, 150086, Harbin, Heilongjiang Province, PR China; Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, 100070, Beijing, PR China
| | - Xiangqi Meng
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, #246 Xuefu Road, 150086, Harbin, Heilongjiang Province, PR China
| | - Xinyu Wang
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, #246 Xuefu Road, 150086, Harbin, Heilongjiang Province, PR China
| | - Dan Song
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, #246 Xuefu Road, 150086, Harbin, Heilongjiang Province, PR China
| | - Yuxiang Liu
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, #246 Xuefu Road, 150086, Harbin, Heilongjiang Province, PR China
| | - Tianye Xu
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, #246 Xuefu Road, 150086, Harbin, Heilongjiang Province, PR China
| | - Jie Qin
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, #246 Xuefu Road, 150086, Harbin, Heilongjiang Province, PR China
| | - Nan Sun
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, #246 Xuefu Road, 150086, Harbin, Heilongjiang Province, PR China
| | - Kaifu Tian
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, #246 Xuefu Road, 150086, Harbin, Heilongjiang Province, PR China
| | - Junzhe Zhong
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, #246 Xuefu Road, 150086, Harbin, Heilongjiang Province, PR China
| | - Daohan Yu
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, #246 Xuefu Road, 150086, Harbin, Heilongjiang Province, PR China
| | - Yu Song
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, #246 Xuefu Road, 150086, Harbin, Heilongjiang Province, PR China
| | - Tianlang Hou
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, #246 Xuefu Road, 150086, Harbin, Heilongjiang Province, PR China
| | - Chuanlu Jiang
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, #246 Xuefu Road, 150086, Harbin, Heilongjiang Province, PR China; The Six Affiliated Hospital of Harbin Medical University, 150028, Harbin, Heilongjiang Province, PR China.
| | - Qun Chen
- Department of Neurosurgery, The First Affiliated Hospital, Zhejiang University School of Medicine, #79 Qingchun Road, 310003, Hangzhou, Zhejiang Province, PR China.
| | - Jinquan Cai
- Department of Neurosurgery, The Second Affiliated Hospital of Harbin Medical University, #246 Xuefu Road, 150086, Harbin, Heilongjiang Province, PR China.
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Pinky, Neha, Ali M, Tiwari P, Alam MM, Hattiwale HM, Jamal A, Parvez S. Unravelling of molecular biomarkers in synaptic plasticity of Alzheimer's disease: Critical role of the restoration of neuronal circuits. Ageing Res Rev 2023; 91:102069. [PMID: 37696304 DOI: 10.1016/j.arr.2023.102069] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 09/02/2023] [Accepted: 09/08/2023] [Indexed: 09/13/2023]
Abstract
Learning and memory storage are the fundamental activities of the brain. Aberrant expression of synaptic molecular markers has been linked to memory impairment in AD. Aging is one of the risk factors linked to gradual memory loss. It is estimated that approximately 13 million people worldwide will have AD by 2050. A massive amount of oxidative stress is kept under control by a complex network of antioxidants, which occasionally fails and results in neuronal oxidative stress. Increasing evidence suggests that ROS may affect many pathological aspects of AD, including Aβ accumulation, tau hyperphosphorylation, synaptic plasticity, and mitochondrial dysfunction, which may collectively result in neurodegeneration in the brain. Further investigation into the relationship between oxidative stress and AD may provide an avenue for effective preservation and pharmacological treatment of this neurodegenerative disease. In this review, we briefly summarize the cellular mechanism underlying Aβ induced synaptic dysfunction. Since oxidative stress is common in the elderly and may contribute to the pathogenesis of AD, we also shed light on the role of antioxidant and inflammatory pathways in oxidative stress adaptation, which has a potential therapeutic target in neurodegenerative diseases.
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Affiliation(s)
- Pinky
- Department of Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India.
| | - Neha
- Department of Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India.
| | - Mubashshir Ali
- Department of Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India.
| | - Prachi Tiwari
- Department of Physiotherapy, School of Nursing Sciences and Allied Health, Jamia Hamdard, New Delhi 110062, India.
| | - Mohammad Mumtaz Alam
- Drug Design and Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India.
| | - Haroonrashid M Hattiwale
- Department of Basic Medical Sciences, College of Medicine, Majmaah University, Al-Majmaah 11952, Saudi Arabia.
| | - Azfar Jamal
- Department of Biology, College of Science Al-Zulfi, Majmaah University, Al-Majmaah 11952, Saudi Arabia; Health and Basic Science Research Centre, Majmaah University, Al-Majmaah 11952, Saudi Arabia.
| | - Suhel Parvez
- Department of Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India.
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Varlı M, Kim SJ, Noh MG, Kim YG, Ha HH, Kim KK, Kim H. KITENIN promotes aerobic glycolysis through PKM2 induction by upregulating the c-Myc/hnRNPs axis in colorectal cancer. Cell Biosci 2023; 13:146. [PMID: 37553596 PMCID: PMC10410973 DOI: 10.1186/s13578-023-01089-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 07/19/2023] [Indexed: 08/10/2023] Open
Abstract
PURPOSE The oncoprotein KAI1 C-terminal interacting tetraspanin (KITENIN; vang-like 1) promotes cell metastasis, invasion, and angiogenesis, resulting in shorter survival times in cancer patients. Here, we aimed to determine the effects of KITENIN on the energy metabolism of human colorectal cancer cells. EXPERIMENTAL DESIGN The effects of KITENIN on energy metabolism were evaluated using in vitro assays. The GEPIA web tool was used to extrapolate the clinical relevance of KITENIN in cancer cell metabolism. The bioavailability and effect of the disintegrator of KITENIN complex compounds were evaluated by LC-MS, in vivo animal assay. RESULTS KITENIN markedly upregulated the glycolytic proton efflux rate and aerobic glycolysis by increasing the expression of GLUT1, HK2, PKM2, and LDHA. β-catenin, CD44, CyclinD1 and HIF-1A, including c-Myc, were upregulated by KITENIN expression. In addition, KITENIN promoted nuclear PKM2 and PKM2-induced transactivation, which in turn, increased the expression of downstream mediators. This was found to be mediated through an effect of c-Myc on the transcription of hnRNP isoforms and a switch to the M2 isoform of pyruvate kinase, which increased aerobic glycolysis. The disintegration of KITENIN complex by silencing the KITENIN or MYO1D downregulated aerobic glycolysis. The disintegrator of KITENIN complex compound DKC1125 and its optimized form, DKC-C14S, exhibited the inhibition activity of KITENIN-mediated aerobic glycolysis in vitro and in vivo. CONCLUSIONS The oncoprotein KITENIN induces PKM2-mediated aerobic glycolysis by upregulating the c-Myc/hnRNPs axis.
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Affiliation(s)
- Mücahit Varlı
- College of Pharmacy, Sunchon National University, 255 Jungang-ro, Sunchon, Jeonnam, 57922, Republic of Korea
| | - Sung Jin Kim
- College of Pharmacy, Sunchon National University, 255 Jungang-ro, Sunchon, Jeonnam, 57922, Republic of Korea
- Department of Pharmacology, Chonnam National University Medical School, 160 Baekseoro, Dong-gu, Gwangju, 61469, Republic of Korea
| | - Myung-Giun Noh
- Department of Pathology, Chonnam National University Medical School, 160 Baekseoro, Dong-gu, Gwanju, 61469, Republic of Korea
| | - Yoon Gyoon Kim
- College of Pharmacy, Dankook University, 119 Dandaero, Dongnam-gu, 31116, Cheonan-si, Republic of Korea
| | - Hyung-Ho Ha
- College of Pharmacy, Sunchon National University, 255 Jungang-ro, Sunchon, Jeonnam, 57922, Republic of Korea
| | - Kyung Keun Kim
- Department of Pharmacology, Chonnam National University Medical School, 160 Baekseoro, Dong-gu, Gwangju, 61469, Republic of Korea
| | - Hangun Kim
- College of Pharmacy, Sunchon National University, 255 Jungang-ro, Sunchon, Jeonnam, 57922, Republic of Korea.
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Wang H, Sun W, Traba J, Wu J, Qi CF, Amo L, Kole HK, Scott B, Singh K, Sack MN, Bolland S. MAVS Positively Regulates Mitochondrial Integrity and Metabolic Fitness in B Cells. Immunohorizons 2023; 7:587-599. [PMID: 37610299 PMCID: PMC10587501 DOI: 10.4049/immunohorizons.2300038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 07/19/2023] [Indexed: 08/24/2023] Open
Abstract
Activated B cells experience metabolic changes that require mitochondrial remodeling, in a process incompletely defined. In this study, we report that mitochondrial antiviral signaling protein (MAVS) is involved in BCR-initiated cellular proliferation and prolonged survival. MAVS is well known as a mitochondrial-tethered signaling adaptor with a central role in viral RNA-sensing pathways that induce type I IFN. The role of MAVS downstream of BCR stimulation was recognized in absence of IFN, indicative of a path for MAVS activation that is independent of viral infection. Mitochondria of BCR-activated MAVS-deficient mouse B cells exhibited a damaged phenotype including disrupted mitochondrial morphology, excess mitophagy, and the temporal progressive blunting of mitochondrial oxidative capacity with mitochondrial hyperpolarization and cell death. Costimulation of MAVS-deficient B cells with anti-CD40, in addition to BCR stimulation, partially corrected the mitochondrial structural defects and functionality. Our data reveal a (to our knowledge) previously unrecognized role of MAVS in controlling the metabolic fitness of B cells, most noticeable in the absence of costimulatory help.
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Affiliation(s)
- Hongsheng Wang
- Laboratory of Immunogenetics, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD
| | - Wenxiang Sun
- Laboratory of Immunogenetics, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD
| | - Javier Traba
- Laboratory of Mitochondrial Biology and Metabolism, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD
- Departamento de Biología Molecular, Centro de Biología Molecular Severo Ochoa, Consejo Superior de Investigaciones Científicas–Universidad Autónoma de Madrid, Madrid, Spain
| | - Juan Wu
- Laboratory of Immunogenetics, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD
- Department of Nephrology, The People’s Hospital of Zhejiang Province, Hangzhou, China
| | - Chen-Feng Qi
- Laboratory of Immunogenetics, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD
| | - Laura Amo
- Laboratory of Immunogenetics, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD
| | - Hemanta K. Kole
- Laboratory of Immunogenetics, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD
| | - Bethany Scott
- Laboratory of Immunogenetics, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD
| | - Komudi Singh
- Laboratory of Mitochondrial Biology and Metabolism, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD
| | - Michael N. Sack
- Laboratory of Mitochondrial Biology and Metabolism, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD
| | - Silvia Bolland
- Laboratory of Immunogenetics, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD
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10
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di Meo NA, Lasorsa F, Rutigliano M, Loizzo D, Ferro M, Stella A, Bizzoca C, Vincenti L, Pandolfo SD, Autorino R, Crocetto F, Montanari E, Spilotros M, Battaglia M, Ditonno P, Lucarelli G. Renal Cell Carcinoma as a Metabolic Disease: An Update on Main Pathways, Potential Biomarkers, and Therapeutic Targets. Int J Mol Sci 2022; 23:ijms232214360. [PMID: 36430837 PMCID: PMC9698586 DOI: 10.3390/ijms232214360] [Citation(s) in RCA: 59] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 11/14/2022] [Accepted: 11/15/2022] [Indexed: 11/22/2022] Open
Abstract
Clear cell renal cell carcinoma (ccRCC) is the most frequent histological kidney cancer subtype. Over the last decade, significant progress has been made in identifying the genetic and metabolic alterations driving ccRCC development. In particular, an integrated approach using transcriptomics, metabolomics, and lipidomics has led to a better understanding of ccRCC as a metabolic disease. The metabolic profiling of this cancer could help define and predict its behavior in terms of aggressiveness, prognosis, and therapeutic responsiveness, and would be an innovative strategy for choosing the optimal therapy for a specific patient. This review article describes the current state-of-the-art in research on ccRCC metabolic pathways and potential therapeutic applications. In addition, the clinical implication of pharmacometabolomic intervention is analyzed, which represents a new field for novel stage-related and patient-tailored strategies according to the specific susceptibility to new classes of drugs.
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Affiliation(s)
- Nicola Antonio di Meo
- Urology, Andrology and Kidney Transplantation Unit, Department of Emergency and Organ Transplantation, University of Bari “Aldo Moro”, 70124 Bari, Italy
| | - Francesco Lasorsa
- Urology, Andrology and Kidney Transplantation Unit, Department of Emergency and Organ Transplantation, University of Bari “Aldo Moro”, 70124 Bari, Italy
| | - Monica Rutigliano
- Urology, Andrology and Kidney Transplantation Unit, Department of Emergency and Organ Transplantation, University of Bari “Aldo Moro”, 70124 Bari, Italy
| | - Davide Loizzo
- Urology, Andrology and Kidney Transplantation Unit, Department of Emergency and Organ Transplantation, University of Bari “Aldo Moro”, 70124 Bari, Italy
| | - Matteo Ferro
- Division of Urology, European Institute of Oncology, IRCCS, 20141 Milan, Italy
| | - Alessandro Stella
- Laboratory of Human Genetics, Department of Biomedical Sciences and Human Oncology, University of Bari “Aldo Moro”, 70124 Bari, Italy
| | - Cinzia Bizzoca
- Division of General Surgery, Polyclinic Hospital, 70124 Bari, Italy
| | | | | | | | - Felice Crocetto
- Department of Neurosciences, Reproductive Sciences and Odontostomatology, University of Naples “Federico II”, 80131 Naples, Italy
| | - Emanuele Montanari
- Department of Clinical Sciences and Community Health, University of Milan, 20122 Milan, Italy
| | - Marco Spilotros
- Urology, Andrology and Kidney Transplantation Unit, Department of Emergency and Organ Transplantation, University of Bari “Aldo Moro”, 70124 Bari, Italy
| | - Michele Battaglia
- Urology, Andrology and Kidney Transplantation Unit, Department of Emergency and Organ Transplantation, University of Bari “Aldo Moro”, 70124 Bari, Italy
| | - Pasquale Ditonno
- Urology, Andrology and Kidney Transplantation Unit, Department of Emergency and Organ Transplantation, University of Bari “Aldo Moro”, 70124 Bari, Italy
| | - Giuseppe Lucarelli
- Urology, Andrology and Kidney Transplantation Unit, Department of Emergency and Organ Transplantation, University of Bari “Aldo Moro”, 70124 Bari, Italy
- Correspondence: or
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Morphological Assessment and Biomarkers of Low-Grade, Chronic Intestinal Inflammation in Production Animals. Animals (Basel) 2022; 12:ani12213036. [PMID: 36359160 PMCID: PMC9654368 DOI: 10.3390/ani12213036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 10/27/2022] [Accepted: 10/28/2022] [Indexed: 11/09/2022] Open
Abstract
Simple Summary Production animals are continuously exposed to environmental and dietary factors that might induce a state of low-grade, chronic intestinal inflammation. This condition compromises the productive performance and well-fare of these animals, requiring studies to understand what causes it and to develop control strategies. An intestinal inflammatory process is generally associated with alterations in the structure and functionality of its wall, resulting in the release of cellular components into the blood and/or feces. These components can act as biomarkers, i.e., they are measured to identify and quantify an inflammatory process without requiring invasive methods. In this review we discuss the mechanisms of low-grade inflammation, its effects on animal production and sustainability, and the identification of biomarkers that could provide early diagnosis of this process and support studies of useful interventional strategies. Abstract The complex interaction between the intestinal mucosa, the gut microbiota, and the diet balances the host physiological homeostasis and is fundamental for the maximal genetic potential of production animals. However, factors such as chemical and physical characteristics of the diet and/or environmental stressors can continuously affect this balance, potentially inducing a state of chronic low-grade inflammation in the gut, where inflammatory parameters are present and demanding energy, but not in enough intensity to provoke clinical manifestations. It’s vital to expand the understanding of inflammation dynamics and of how they compromise the function activity and microscopic morphology of the intestinal mucosa. These morphometric alterations are associated with the release of structural and functional cellular components into the feces and the blood stream creating measurable biomarkers to track this condition. Moreover, the identification of novel, immunometabolic biomarkers can provide dynamic and predictors of low-grade chronic inflammation, but also provide indicators of successful nutritional or feed additive intervention strategies. The objective of this paper is to review the mechanisms of low-grade inflammation, its effects on animal production and sustainability, and the biomarkers that could provide early diagnosis of this process and support studies of useful interventional strategies.
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12
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Gao X, Fu Y, Sun S, Gu T, Li Y, Sun T, Li H, Du W, Suo C, Li C, Gao Y, Meng Y, Ni Y, Yang S, Lan T, Sai S, Li J, Yu K, Wang P, Ding C. Cryptococcal Hsf3 controls intramitochondrial ROS homeostasis by regulating the respiratory process. Nat Commun 2022; 13:5407. [PMID: 36109512 PMCID: PMC9477856 DOI: 10.1038/s41467-022-33168-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 09/06/2022] [Indexed: 11/09/2022] Open
Abstract
Mitochondrial quality control prevents accumulation of intramitochondrial-derived reactive oxygen species (mtROS), thereby protecting cells against DNA damage, genome instability, and programmed cell death. However, underlying mechanisms are incompletely understood, particularly in fungal species. Here, we show that Cryptococcus neoformans heat shock factor 3 (CnHsf3) exhibits an atypical function in regulating mtROS independent of the unfolded protein response. CnHsf3 acts in nuclei and mitochondria, and nuclear- and mitochondrial-targeting signals are required for its organelle-specific functions. It represses the expression of genes involved in the tricarboxylic acid cycle while promoting expression of genes involved in electron transfer chain. In addition, CnHsf3 responds to multiple intramitochondrial stresses; this response is mediated by oxidation of the cysteine residue on its DNA binding domain, which enhances DNA binding. Our results reveal a function of HSF proteins in regulating mtROS homeostasis that is independent of the unfolded protein response. Mitochondrial quality control prevents accumulation of intramitochondrial reactive oxygen species (mtROS), thus protecting cells against DNA damage. Here, Gao et al. show that an atypical heat shock factor responds to intramitochondrial stresses and regulates mtROS homeostasis in the pathogenic fungus Cryptococcus neoformans.
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p53: From Fundamental Biology to Clinical Applications in Cancer. BIOLOGY 2022; 11:biology11091325. [PMID: 36138802 PMCID: PMC9495382 DOI: 10.3390/biology11091325] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 09/04/2022] [Accepted: 09/06/2022] [Indexed: 11/18/2022]
Abstract
Simple Summary p53 tumour suppressor gene is the most altered in cancer. Several decades of research have established that it is of pivotal importance in prompting neoplastic phenomena, including cancer initiation and progression. However, it has crucial functions for cellular life. Knowledge and awareness about these multifaceted properties should be part of the cultural background of all scientists. In this review, we describe and discuss the multifaceted roles of p53, from its discovery to clinical applications in cancer therapy. Abstract p53 tumour suppressor gene is our major barrier against neoplastic transformation. It is involved in many cellular functions, including cell cycle arrest, senescence, DNA repair, apoptosis, autophagy, cell metabolism, ferroptosis, immune system regulation, generation of reactive oxygen species, mitochondrial function, global regulation of gene expression, miRNAs, etc. Its crucial importance is denounced by the high percentage of amino acid sequence identity between very different species (Homo sapiens, Drosophila melanogaster, Rattus norvegicus, Danio rerio, Canis lupus familiaris, Gekko japonicus). Many of its activities allowed life on Earth (e.g., repair from radiation-induced DNA damage) and directly contribute to its tumour suppressor function. In this review, we provide paramount information on p53, from its discovery, which is an interesting paradigm of science evolution, to potential clinical applications in anti-cancer treatment. The description of the fundamental biology of p53 is enriched by specific information on the structure and function of the protein as well by tumour/host evolutionistic perspectives of its role.
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TNFα-Induced Oxidative Stress and Mitochondrial Dysfunction Alter Hypothalamic Neurogenesis and Promote Appetite Versus Satiety Neuropeptide Expression in Mice. Brain Sci 2022; 12:brainsci12070900. [PMID: 35884707 PMCID: PMC9316209 DOI: 10.3390/brainsci12070900] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 07/01/2022] [Accepted: 07/06/2022] [Indexed: 12/04/2022] Open
Abstract
Maternal obesity results in programmed offspring hyperphagia and obesity. The increased offspring food intake is due in part to the preferential differentiation of hypothalamic neuroprogenitor cells (NPCs) to orexigenic (AgRP) vs. anorexigenic (POMC) neurons. The altered neurogenesis may involve hypothalamic bHLH (basic helix–loop–helix) neuroregulatory factors (Hes1, Mash1, and Ngn3). Whilst the underlying mechanism remains unclear, it is known that mitochondrial function is critical for neurogenesis and is impacted by proinflammatory cytokines such as TNFα. Obesity is associated with the activation of inflammation and oxidative stress pathways. In obese pregnancies, increased levels of TNFα are seen in maternal and cord blood, indicating increased fetal exposure. As TNFα influences neurogenesis and mitochondrial function, we tested the effects of TNFα and reactive oxidative species (ROS) hydrogen peroxide (H2O2) on hypothalamic NPC cultures from newborn mice. TNFα treatment impaired NPC mitochondrial function, increased ROS production and NPC proliferation, and decreased the protein expression of proneurogenic Mash1/Ngn3. Consistent with this, AgRP protein expression was increased and POMC was decreased. Notably, treatment with H2O2 produced similar effects as TNFα and also reduced the protein expression of antioxidant SIRT1. The inhibition of STAT3/NFκB prevented the effects of TNFα, suggesting that TNFα mediates its effects on NPCs via mitochondrial-induced oxidative stress that involves both signaling pathways.
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15
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Yang T, You C, Meng S, Lai Z, Ai W, Zhang J. EBV Infection and Its Regulated Metabolic Reprogramming in Nasopharyngeal Tumorigenesis. Front Cell Infect Microbiol 2022; 12:935205. [PMID: 35846746 PMCID: PMC9283984 DOI: 10.3389/fcimb.2022.935205] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Accepted: 05/31/2022] [Indexed: 01/05/2023] Open
Abstract
Viral oncogenes may drive cellular metabolic reprogramming to modulate the normal epithelia cell malignant transformation. Understanding the viral oncogene–mediated signaling transduction dysregulation that involves in metabolic reprogramming may provide new therapeutic targets for virus-associated cancer treatment. Latent EBV infection and expression of viral oncogenes, including latent membrane proteins 1 and 2 (LMP1/2), and EBV-encoded BamH I-A rightward transcripts (BART) microRNAs (miR-BARTs), have been demonstrated to play fundamental roles in altering host cell metabolism to support nasopharyngeal carcinoma (NPC) pathogenesis. Yet, how do EBV infection and its encoded oncogenes facilitated the metabolic shifting and their roles in NPC carcinogenesis remains unclear. In this review, we will focus on delineating how EBV infection and its encoded oncoproteins altered the metabolic reprograming of infected cells to support their malignances. Furthermore, based on the understanding of the host’s metabolic signaling alterations induced by EBV, we will provide a new perspective on the interplay between EBV infection and these metabolic pathways and offering a potential therapeutic intervention strategy in the treatment of EBV-associated malignant diseases.
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Affiliation(s)
- Tingting Yang
- Department of Pharmacy, Shenzhen University General Hospital, Shenzhen, China
| | - Chanping You
- Department of Pathology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Shuhui Meng
- Clinical Medical Research Center, Guangdong Provincial Engineering Research Center of Autoimmune Disease Precision Medicine, Shenzhen Engineering Research Center of Autoimmune Disease, Shenzhen People’s Hospital, Shenzhen, China
| | - Zhengquan Lai
- Department of Pharmacy, Shenzhen University General Hospital, Shenzhen, China
| | - Weipeng Ai
- Department of Pharmacy, Shenzhen University General Hospital, Shenzhen, China
- *Correspondence: Jun Zhang, ; Weipeng Ai,
| | - Jun Zhang
- Guangdong Key Laboratory of Genome Instability and Human Disease Prevention, Department of Biochemistry and Molecular Biology, Shenzhen University School of Medicine, Shenzhen, China
- *Correspondence: Jun Zhang, ; Weipeng Ai,
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16
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Han Y, Liu Y, Zhen J, Hou S, Zhang B, Cui Z, Wan Q, Feng H. P53 regulates mitochondrial biogenesis via transcriptionally induction of mitochondrial ribosomal protein L12. Exp Cell Res 2022; 418:113249. [PMID: 35691378 DOI: 10.1016/j.yexcr.2022.113249] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 06/03/2022] [Accepted: 06/06/2022] [Indexed: 11/16/2022]
Abstract
The well-documented tumor suppressor p53 is also a major stress response factor for its diverse regulation on cellular energetics. However, the effect of p53 on mitochondrial biogenesis, which plays a predominant role in response to the elevated energy demands, appears to be pleiotropic in various conditions and has not reached agreement. Mitochondrial ribosomal protein L12 (MRPL12), reported as a bi-functional protein for its roles in both mitochondrial ribosomes and transcriptional complexes, is a core regulatory component in mitochondrial biogenesis. Here we proved that MRPL12 is transcriptionally regulated by p53. Furthermore, the p53/MRPL12 regulation of mitochondria is part of the signaling pathway that maintains the basal mitochondrial content and positively coordinates the mitochondrial biogenesis and oxidative phosphorylation (OXPHOS) in response to metabolic perturbation. Since p53 serves as the'Guardian of the Genome', our findings may revealed a new mechanism underlying the conditions when more ATP is warranted to maintain the genome integrity and cell survival. Therefore the pharmacological intervention or metabolic modulation (e.g., through fasting or exercise) of the p53/MRPL12 pathway promises to be a therapeutic approach that can safeguard health.
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Affiliation(s)
- Yitong Han
- Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China; Department of Critical Care Medicine, Zibo First Hospital, Weifang Medical University, Zibo, Shandong, China
| | - Yi Liu
- Department of Pulmonary and Critical Care Medicine, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250021, China; Department of Pulmonary and Critical Care Medicine, Shandong Provincial Hospidhandongtal Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, China; Shandong Key Laboratory of Infectious Respiratory Disease, Jinan, Shandong, 250021, China
| | - Junhui Zhen
- Qilu Hospital, Shandong University, Jinan, Shandong, China
| | - Shaoshuai Hou
- Department of Endocrinology, Shandong Provincial Hospital, Shandong First Medical University, Jinan, Shandong, China
| | - Bo Zhang
- Department of Endocrinology, Shandong Provincial Hospital, Shandong First Medical University, Jinan, Shandong, China
| | - ZhengGuo Cui
- Department of Environmental Health, University of Fukui School of Medical Science, University of Fukui, Fukui, Japan
| | - Qiang Wan
- Department of Cell Metabolism and Disease Laboratory, Jinan Central Hospital, Qilu Medical College, Shandong University, Jinan, 250012, China.
| | - Hong Feng
- Cancer Center, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.
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Wang H, Hou Y, Ma X, Cui L, Bao Y, Xie Y, Li S, Meng X, Li J, Bai G. Multi-omics analysis reveals the mechanisms of action and therapeutic regimens of traditional Chinese medicine, Bufei Jianpi granules: Implication for COPD drug discovery. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 98:153963. [PMID: 35121390 DOI: 10.1016/j.phymed.2022.153963] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 01/17/2022] [Accepted: 01/25/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Chronic Obstructive Pulmonary Disease (COPD) is a serious public health challenge in the world. According to the treatment instructions by Global Initiative for Chronic Obstructive Lung Disease (GOLD) 2020, bronchiectasis combine with inhaled corticosteroids and long-acting anti-muscarinic agents were recommended as the main prescription. However, this symptomatic treatment still has ineluctable limits because it ignored the most pathogenesis mechanism of COPD. As an alternative traditional Chinese medicine (TCM) for COPD, Bufei Jianpi granules (BJG) can reduce the frequency and duration of acute exacerbation in COPD patients and improve their quality of life. The evidence demonstrated BJG acts as therapeutics that retarding the airway remodeling process, eliminating phlegm, thrombolysis and improving mitochondrial function. However, the detailed molecular mechanism is still urgently revealed. PURPUSE In this study, we aim to find out the active pharmacodynamic ingredients and reveal the treatment mechanism of active pharmacodynamic ingredients. METHODS Based on the pharmacodynamic evaluation and chemomic profiling of BJG in COPD rats, an integrated multi-omics analysis was performed, including molecular networking, metabonomics, proteomics and bioinformatics. Moreover, focus on the active compounds, we verified the molecular core mechanism by molecular biology methods. RESULTS Pachymic acid, shionone, peiminine and astragaloside A was verified as therapeutic agents for improving the condition of COPD by acting on the EGFR, ERK1, PAI-1 and p53 target, respectively. CONCLUSION In this study, our findings indicated that some compounds in BJG alleviates the pathological process of COPD, which is related to regulating lung function, mucus production, pulmonary embolism and energy metabolism and this will be a benefit complementary to GOLD guidelines.
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Affiliation(s)
- Hechen Wang
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300353, China
| | - Yuanyuan Hou
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300353, China
| | - Xiaoyao Ma
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300353, China
| | - Linlin Cui
- College of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, China
| | - Yongrui Bao
- College of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, China
| | - Yang Xie
- The Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, 450000, China
| | - Suyun Li
- The Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, 450000, China; Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases co-constructed by Henan province & Education Ministry of P.R., China, Henan University of Chinese Medicine, Zhengzhou, 450046, China
| | - Xiansheng Meng
- College of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, China.
| | - Jiansheng Li
- The Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, 450000, China; Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases co-constructed by Henan province & Education Ministry of P.R., China, Henan University of Chinese Medicine, Zhengzhou, 450046, China.
| | - Gang Bai
- State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300353, China.
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Zhang R, Geng GJ, Guo JG, Mi YJ, Zhu XL, Li N, Liu HM, Lin JF, Wang JW, Zhao G, Ye GZ, Li BA, Luo QC, Jiang J. An NF-κB/OVOL2 circuit regulates glucose import and cell survival in non-small cell lung cancer. Cell Commun Signal 2022; 20:40. [PMID: 35346238 PMCID: PMC8962559 DOI: 10.1186/s12964-022-00845-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 02/11/2022] [Indexed: 11/24/2022] Open
Abstract
Background Tumor cells tend to utilize glycolysis rather than aerobic respiration even under aerobic conditions. OVOL2, an inhibitory C2H2 zinc finger transcription factor, is a potential tumor suppressor in cancers. However, the association between OVOL2 and tumor energy metabolism is unknown. Methods Western blotting was used to determine the expression of OVOL2 in different non-small cell lung cancer (NSCLC) cell lines and mouse models. The metabolic parameters in NSCLC cells following overexpression or knockdown OVOL2 were examined. To define the mechanism by which OVOL2 regulates aerobic glycolysis, interacting protein of OVOl2 and downstream molecular events were identified by luciferase assay and co-immunoprecipitation. We documented the regulatory mechanism in mouse xenograft models. Finally, clinical relevance of OVOL2, NF-κB signaling and GLUT1 was measured by immunostaining.
Results OVOL2 is downregulated in NSCLC and overexpression of OVOL2 inhibits the survival of cancer cells. Moreover, OVOL2 directly binds to P65 and inhibits the recruitment of P300 but facilitates the binding of HDAC1 to P65, which in turn negatively regulates NF-κB signaling to suppress GLUT1 translocation and glucose import. In contrast, OVOL2 expression is negatively regulated by NF-κB signaling in NSCLC cells via the ubiquitin–proteasome pathway. Re-expression of OVOL2 significantly compromise NF-κB signaling-induced GLUT1 translocation, aerobic glycolysis in NSCLC cells and mouse models. Immunostaining revealed inverse correlations between the OVOL2 and phosphorylated P65 levels and between the OVOL2 and membrane GLUT1 levels, and a strong correlation between the phosphorylated P65 and membrane GLUT1 levels.
Conclusions These results suggest a regulatory circuit linking NF-κB and OVOL2, which highlights the role of NF-κB signaling and OVOL2 in the modulation of glucose metabolism in NSCLC. Video Abstract
Supplementary Information The online version contains supplementary material available at 10.1186/s12964-022-00845-z.
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Hallmarks of Metabolic Reprogramming and Their Role in Viral Pathogenesis. Viruses 2022; 14:v14030602. [PMID: 35337009 PMCID: PMC8955778 DOI: 10.3390/v14030602] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/09/2022] [Accepted: 03/10/2022] [Indexed: 02/07/2023] Open
Abstract
Metabolic reprogramming is a hallmark of cancer and has proven to be critical in viral infections. Metabolic reprogramming provides the cell with energy and biomass for large-scale biosynthesis. Based on studies of the cellular changes that contribute to metabolic reprogramming, seven main hallmarks can be identified: (1) increased glycolysis and lactic acid, (2) increased glutaminolysis, (3) increased pentose phosphate pathway, (4) mitochondrial changes, (5) increased lipid metabolism, (6) changes in amino acid metabolism, and (7) changes in other biosynthetic and bioenergetic pathways. Viruses depend on metabolic reprogramming to increase biomass to fuel viral genome replication and production of new virions. Viruses take advantage of the non-metabolic effects of metabolic reprogramming, creating an anti-apoptotic environment and evading the immune system. Other non-metabolic effects can negatively affect cellular function. Understanding the role metabolic reprogramming plays in viral pathogenesis may provide better therapeutic targets for antivirals.
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HELLS Is Negatively Regulated by Wild-Type P53 in Liver Cancer by a Mechanism Involving P21 and FOXM1. Cancers (Basel) 2022; 14:cancers14020459. [PMID: 35053620 PMCID: PMC8773711 DOI: 10.3390/cancers14020459] [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: 01/04/2022] [Accepted: 01/12/2022] [Indexed: 12/26/2022] Open
Abstract
Simple Summary The tumor suppressor protein P53 is a major player in preventing liver cancer development and progression. In this study we could show that P53 negatively regulates the expression of Helicase, lymphoid specific (HELLS), previously described as an important pro-tumorigenic epigenetic regulator in hepatocarcinogenesis. The regulatory mechanism included induction of the P53 target gene P21 (CDKN1A) resulting in repression of HELLS via downregulation of the transcription factor Forkhead Box Protein M1 (FOXM1). Our in vitro and in vivo findings indicate an important additional aspect of the tumor suppressive function of P53 in liver cancer linked to epigenetic regulation. Abstract The major tumor suppressor P53 (TP53) acts primarily as a transcription factor by activating or repressing subsets of its numerous target genes, resulting in different cellular outcomes (e.g., cell cycle arrest, apoptosis and senescence). P53-dependent gene regulation is linked to several aspects of chromatin remodeling; however, regulation of chromatin-modifying enzymes by P53 is poorly understood in hepatocarcinogenesis. Herein, we identified Helicase, lymphoid specific (HELLS), a major epigenetic regulator in liver cancer, as a strong and selective P53 repression target within the SNF2-like helicase family. The underlying regulatory mechanism involved P53-dependent induction of P21 (CDKN1A), leading to repression of Forkhead Box Protein M1 (FOXM1) that in turn resulted in downregulation of HELLS expression. Supporting our in vitro data, we found higher expression of HELLS in murine HCCs arising in a Trp53−/− background compared to Trp53+/+ HCCs as well as a strong and highly significant correlation between HELLS and FOXM1 expression in different HCC patient cohorts. Our data suggest that functional or mutational inactivation of P53 substantially contributes to overexpression of HELLS in HCC patients and indicates a previously unstudied aspect of P53′s ability to suppress liver cancer formation.
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Taş İ, Varlı M, Son Y, Han J, Kwak D, Yang Y, Zhou R, Gamage CDB, Pulat S, Park SY, Yu YH, Moon KS, Lee KH, Ha HH, Hur JS, Kim H. Physciosporin suppresses mitochondrial respiration, aerobic glycolysis, and tumorigenesis in breast cancer. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2021; 91:153674. [PMID: 34333327 DOI: 10.1016/j.phymed.2021.153674] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 03/18/2021] [Accepted: 07/14/2021] [Indexed: 05/25/2023]
Abstract
BACKGROUND Physciosporin (PHY) is one of the potent anticancer lichen compound. Recently, PHY was shown to suppress colorectal cancer cell proliferation, motility, and tumorigenesis through novel mechanisms of action. PURPOSE We investigated the effects of PHY on energy metabolism and tumorigenicity of the human breast cancer (BC) cells MCF-7 (estrogen and progesterone positive BC) and MDA-MB-231 (triple negative BC). METHODS The anticancer effect of PHY on cell viability, motility, cancer metabolism and tumorigenicity was evaluated by MTT assay, migration assay, clonogenic assay, anchorage-independent colony formation assay, glycolytic and mitochondrial metabolism analysis, qRT-PCR, flow cytometric analysis, Western blotting, immunohistochemistry in vitro; and by tumorigenicity study with orthotopic breast cancer xenograft model in vivo. RESULTS PHY markedly inhibited BC cell viability. Cell-cycle profiling and Annexin V-FITC/PI double staining showed that a toxic dosage of PHY triggered apoptosis in BC cell lines by regulating the B-cell lymphoma-2 (Bcl-2) family proteins and the activity of caspase pathway. At non-toxic concentrations, PHY potently decreased migration, proliferation, and tumorigenesis of BC cells in vitro. Metabolic studies revealed that PHY treatment significantly reduced the bioenergetic profile by decreasing respiration, ATP production, and glycolysis capacity. In addition, PHY significantly altered the levels of mitochondrial (PGC-1α) and glycolysis (GLUT1, HK2 and PKM2) markers, and downregulated transcriptional regulators involved in cancer cell metabolism, including β-catenin, c-Myc, HIF-1α, and NF-κB. An orthotopic implantation mouse model of BC confirmed that PHY treatment suppressed BC growth in vivo and target genes were consistently suppressed in tumor specimens. CONCLUSION The findings from our in vitro as well as in vivo studies exhibit that PHY suppresses energy metabolism as well as tumorigenesis in BC. Especially, PHY represents a promising therapeutic effect against hormone-insensitive BC (triple negative) by targeting energy metabolism.
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Affiliation(s)
- İsa Taş
- College of Pharmacy, Sunchon National University, Sunchon, Republic of Korea; Korean Lichen Research Institute, Sunchon National University, Sunchon, Republic of Korea
| | - Mücahit Varlı
- College of Pharmacy, Sunchon National University, Sunchon, Republic of Korea
| | - Yeseon Son
- College of Pharmacy, Sunchon National University, Sunchon, Republic of Korea
| | - Jin Han
- College of Pharmacy, Sunchon National University, Sunchon, Republic of Korea
| | - Dahye Kwak
- College of Pharmacy, Sunchon National University, Sunchon, Republic of Korea
| | - Yi Yang
- College of Pharmacy, Sunchon National University, Sunchon, Republic of Korea
| | - Rui Zhou
- College of Pharmacy, Sunchon National University, Sunchon, Republic of Korea
| | | | - Sultan Pulat
- College of Pharmacy, Sunchon National University, Sunchon, Republic of Korea
| | - So-Yeon Park
- College of Pharmacy, Sunchon National University, Sunchon, Republic of Korea
| | - Young Hyun Yu
- College of Pharmacy, Sunchon National University, Sunchon, Republic of Korea
| | - Kyung-Sub Moon
- Department of Neurosurgery, Chonnam National University Hwasun Hospital and Medical School, Hwasun-gun, Jeollanam-do, Republic of Korea
| | - Kyung-Hwa Lee
- Department of Pathology, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Hyung-Ho Ha
- College of Pharmacy, Sunchon National University, Sunchon, Republic of Korea
| | - Jae-Seoun Hur
- Korean Lichen Research Institute, Sunchon National University, Sunchon, Republic of Korea
| | - Hangun Kim
- College of Pharmacy, Sunchon National University, Sunchon, Republic of Korea.
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Liu H, Zhang Q, Song Y, Hao Y, Cui Y, Zhang X, Zhang X, Qin Y, Zhu G, Wang F, Dang J, Ma S, Zhang Y, Guo W, Li S, Guan F, Fan T. Long non-coding RNA SLC2A1-AS1 induced by GLI3 promotes aerobic glycolysis and progression in esophageal squamous cell carcinoma by sponging miR-378a-3p to enhance Glut1 expression. J Exp Clin Cancer Res 2021; 40:287. [PMID: 34517880 PMCID: PMC8436487 DOI: 10.1186/s13046-021-02081-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 08/20/2021] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Emerging evidence demonstrates that lncRNAs play pivotal roles in tumor energy metabolism; however, the detailed mechanisms of lncRNAs in the regulation of tumor glycolysis remain largely unknown. METHODS The expression of SLC2A1-AS1 was investigated by TCGA, GEO dataset and qRT-PCR. The binding of GLI3 to SLC2A1-AS1 promoter was detected by Luciferase Reporter Assay System and Ago2-RIP assay. FISH was performed to determine the localization of SLC2A1-AS1 in ESCC cells. Double Luciferase Report assay was used to investigate the interaction of miR-378a-3p with SLC2A1-AS1 and Glut1. Gain-of-function and Loss-of-function assay were performed to dissect the function of SLC2A1-AS1/miR-378a-3p/Glut1 axis in ESCC progression in vitro and in vivo. RESULTS We identified a novel lncRNA SLC2A1-AS1 in ESCC. SLC2A1-AS1 was frequently overexpressed in ESCC tissues and cells, and its overexpression was associated with TNM stage, lymph node metastasis and poor prognosis of ESCC patients. Importantly, GLI3 and SLC2A1-AS1 formed a regulatory feedback loop in ESCC cells. SLC2A1-AS1 promoted cell growth in vitro and in vivo, migration and invasion, and suppressed apoptosis, leading to EMT progression and increased glycolysis in ESCC cells. SLC2A1-AS1 functioned as ceRNA for sponging miR-378a-3p, resulting in Glut1 overexpression in ESCC cells. MiR-378a-3p inhibited cell proliferation and invasion as well as induced apoptosis, resulting in reduced glycolysis, which was partly reversed by SLC2A1-AS1 or Glut1 overexpression in ESCC cells. CONCLUSION SLC2A1-AS1 plays important roles in ESCC development and progression by regulating glycolysis, and SLC2A1-AS1/miR-378a-3p/Glut1 regulatory axis may be a novel therapeutic target in terms of metabolic remodeling of ESCC patients.
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Affiliation(s)
- Hongtao Liu
- School of Life Sciences, Zhengzhou University, Zhengzhou, 450001, Henan, China.
| | - Qing Zhang
- School of Life Sciences, Zhengzhou University, Zhengzhou, 450001, Henan, China.,Translational Medicine Research Center, Zhengzhou People's Hospital, Zhengzhou, 450003, Henan, China
| | - Yinsen Song
- Translational Medicine Research Center, Zhengzhou People's Hospital, Zhengzhou, 450003, Henan, China
| | - Yibin Hao
- Translational Medicine Research Center, Zhengzhou People's Hospital, Zhengzhou, 450003, Henan, China
| | - Yunxia Cui
- School of Life Sciences, Zhengzhou University, Zhengzhou, 450001, Henan, China
| | - Xin Zhang
- School of Life Sciences, Zhengzhou University, Zhengzhou, 450001, Henan, China
| | - Xueying Zhang
- School of Life Sciences, Zhengzhou University, Zhengzhou, 450001, Henan, China
| | - Yue Qin
- School of Life Sciences, Zhengzhou University, Zhengzhou, 450001, Henan, China
| | - Guangzhao Zhu
- School of Life Sciences, Zhengzhou University, Zhengzhou, 450001, Henan, China
| | - Feng Wang
- Institute of Genomic Medicine, College of Pharmacy, Jinan University, Guangzhou, 510632, Guangdong, China.,International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of pharmacy, Jinan University, Guangzhou, 510632, Guangdong, China
| | - Jinghan Dang
- Department of Clinical Medicine, Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Shanshan Ma
- School of Life Sciences, Zhengzhou University, Zhengzhou, 450001, Henan, China
| | - Yanting Zhang
- School of Life Sciences, Zhengzhou University, Zhengzhou, 450001, Henan, China
| | - Wenna Guo
- School of Life Sciences, Zhengzhou University, Zhengzhou, 450001, Henan, China
| | - Shenglei Li
- Department of Pathology, the First Affiliated Hospital of Zhengzhou University, 40 Daxue Road, Zhengzhou, 450052, Henan, China.
| | - Fangxia Guan
- School of Life Sciences, Zhengzhou University, Zhengzhou, 450001, Henan, China.
| | - Tianli Fan
- Department of Pharmacology, School of Basic Medicine, Zhengzhou University, 100 Kexue Road, Zhengzhou, 450001, Henan, China.
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Crosstalk between Autophagy and Inflammatory Processes in Cancer. Life (Basel) 2021; 11:life11090903. [PMID: 34575052 PMCID: PMC8466094 DOI: 10.3390/life11090903] [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: 07/31/2021] [Revised: 08/25/2021] [Accepted: 08/28/2021] [Indexed: 12/18/2022] Open
Abstract
Inflammation is an adaptive response to tissue injury, which is a critical process in order to restore tissue functionality and homeostasis. The association between inflammation and cancer has been a topic of interest for many years, not only inflammatory cells themselves but also the chemokines and cytokines they produce, which affect cancer development. Autophagy is an intracellular self-degradative process providing elimination of damaged or dysfunctional organelles under stressful conditions such as nutrient deficiency, hypoxia, or chemotherapy. Interestingly, the signaling pathways that are involved in cancer-associated inflammation may regulate autophagy as well. These are (1) the toll-like receptor (TLR) signaling cascade, (2) the reactive oxygen species (ROS) signaling pathway, (3) the inflammatory cytokine signaling pathway, and (4) the IκB kinase (IKK)/Nuclear factor-κB (NF-κB) signaling axis. Moreover, the studies on the context-specific functions of autophagy during inflammatory responses in cancer will be discussed here. On that basis, we focus on autophagy inhibitors and activators regulating inflammatory process in cancer as useful candidates for enhancing anticancer effects. This review summarizes how the autophagic process regulates these key inflammatory processes and vice versa in various cancers.
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Inhibitory feedback control of NF-κB signalling in health and disease. Biochem J 2021; 478:2619-2664. [PMID: 34269817 PMCID: PMC8286839 DOI: 10.1042/bcj20210139] [Citation(s) in RCA: 75] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 06/14/2021] [Accepted: 06/16/2021] [Indexed: 12/14/2022]
Abstract
Cells must adapt to changes in their environment to maintain cell, tissue and organismal integrity in the face of mechanical, chemical or microbiological stress. Nuclear factor-κB (NF-κB) is one of the most important transcription factors that controls inducible gene expression as cells attempt to restore homeostasis. It plays critical roles in the immune system, from acute inflammation to the development of secondary lymphoid organs, and also has roles in cell survival, proliferation and differentiation. Given its role in such critical processes, NF-κB signalling must be subject to strict spatiotemporal control to ensure measured and context-specific cellular responses. Indeed, deregulation of NF-κB signalling can result in debilitating and even lethal inflammation and also underpins some forms of cancer. In this review, we describe the homeostatic feedback mechanisms that limit and ‘re-set’ inducible activation of NF-κB. We first describe the key components of the signalling pathways leading to activation of NF-κB, including the prominent role of protein phosphorylation and protein ubiquitylation, before briefly introducing the key features of feedback control mechanisms. We then describe the array of negative feedback loops targeting different components of the NF-κB signalling cascade including controls at the receptor level, post-receptor signalosome complexes, direct regulation of the critical ‘inhibitor of κB kinases’ (IKKs) and inhibitory feedforward regulation of NF-κB-dependent transcriptional responses. We also review post-transcriptional feedback controls affecting RNA stability and translation. Finally, we describe the deregulation of these feedback controls in human disease and consider how feedback may be a challenge to the efficacy of inhibitors.
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Volmar MNM, Cheng J, Alenezi H, Richter S, Haug A, Hassan Z, Goldberg M, Li Y, Hou M, Herold-Mende C, Maire CL, Lamszus K, Flüh C, Held-Feindt J, Gargiulo G, Topping GJ, Schilling F, Saur D, Schneider G, Synowitz M, Schick JA, Kälin RE, Glass R. Cannabidiol converts NFκB into a tumor suppressor in glioblastoma with defined antioxidative properties. Neuro Oncol 2021; 23:1898-1910. [PMID: 33864076 PMCID: PMC8563328 DOI: 10.1093/neuonc/noab095] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Background The transcription factor NF-κB drives neoplastic progression of many cancers including primary brain tumors (glioblastoma [GBM]). Precise therapeutic modulation of NF-κB activity can suppress central oncogenic signaling pathways in GBM, but clinically applicable compounds to achieve this goal have remained elusive. Methods In a pharmacogenomics study with a panel of transgenic glioma cells, we observed that NF-κB can be converted into a tumor suppressor by the non-psychotropic cannabinoid cannabidiol (CBD). Subsequently, we investigated the anti-tumor effects of CBD, which is used as an anticonvulsive drug (Epidiolex) in pediatric neurology, in a larger set of human primary GBM stem-like cells (hGSC). For this study, we performed pharmacological assays, gene expression profiling, biochemical, and cell-biological experiments. We validated our findings using orthotopic in vivo models and bioinformatics analysis of human GBM datasets. Results We found that CBD promotes DNA binding of the NF-κB subunit RELA and simultaneously prevents RELA phosphorylation on serine-311, a key residue that permits genetic transactivation. Strikingly, sustained DNA binding by RELA-lacking phospho-serine 311 was found to mediate hGSC cytotoxicity. Widespread sensitivity to CBD was observed in a cohort of hGSC defined by low levels of reactive oxygen species (ROS), while high ROS content in other tumors blocked CBD-induced hGSC death. Consequently, ROS levels served as a predictive biomarker for CBD-sensitive tumors. Conclusions This evidence demonstrates how a clinically approved drug can convert NF-κB into a tumor suppressor and suggests a promising repurposing option for GBM therapy.
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Affiliation(s)
- Marie N M Volmar
- Neurosurgical Research, Department of Neurosurgery, University Hospital, LMU Munich, Germany
| | - Jiying Cheng
- Neurosurgical Research, Department of Neurosurgery, University Hospital, LMU Munich, Germany
| | - Haitham Alenezi
- Neurosurgical Research, Department of Neurosurgery, University Hospital, LMU Munich, Germany
| | - Sven Richter
- Neurosurgical Research, Department of Neurosurgery, University Hospital, LMU Munich, Germany
| | - Alisha Haug
- Neurosurgical Research, Department of Neurosurgery, University Hospital, LMU Munich, Germany
| | - Zonera Hassan
- Department of Medicine II, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Maria Goldberg
- Neurosurgical Research, Department of Neurosurgery, University Hospital, LMU Munich, Germany
| | - Yuping Li
- Neurosurgical Research, Department of Neurosurgery, University Hospital, LMU Munich, Germany
| | - Mengzhuo Hou
- Neurosurgical Research, Department of Neurosurgery, University Hospital, LMU Munich, Germany
| | - Christel Herold-Mende
- Department of Neurosurgery, Division of Experimental Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Cecile L Maire
- Department of Neurosurgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Katrin Lamszus
- Department of Neurosurgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Charlotte Flüh
- Department of Neurosurgery, University Hospital Center Schleswig Holstein, Kiel, Germany
| | - Janka Held-Feindt
- Department of Neurosurgery, University Hospital Center Schleswig Holstein, Kiel, Germany
| | - Gaetano Gargiulo
- Molecular Oncology, Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany
| | - Geoffrey J Topping
- Department of Nuclear Medicine, School of Medicine, Technical University of Munich, Munich, Germany
| | - Franz Schilling
- Department of Nuclear Medicine, School of Medicine, Technical University of Munich, Munich, Germany
| | - Dieter Saur
- Department of Medicine II, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Günter Schneider
- Department of Medicine II, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Michael Synowitz
- Department of Neurosurgery, University Hospital Center Schleswig Holstein, Kiel, Germany
| | - Joel A Schick
- Genetics and Cellular Engineering Group, Institute of Molecular Toxicology and Pharmacology, Helmholtz Zentrum Munich, Neuherberg, Germany
| | - Roland E Kälin
- Neurosurgical Research, Department of Neurosurgery, University Hospital, LMU Munich, Germany
| | - Rainer Glass
- Neurosurgical Research, Department of Neurosurgery, University Hospital, LMU Munich, Germany.,Walter Brendel Center of Experimental Medicine, Faculty of Medicine, LMU Munich, Germany.,German Cancer Consortium (DKTK), partner site Munich and German Cancer Research Center (DKFZ), Heidelberg, Germany
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Antonia RJ, Hagan RS, Baldwin AS. Expanding the View of IKK: New Substrates and New Biology. Trends Cell Biol 2021; 31:166-178. [PMID: 33422358 DOI: 10.1016/j.tcb.2020.12.003] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 11/16/2020] [Accepted: 12/07/2020] [Indexed: 01/07/2023]
Abstract
The inhibitor of kappa B kinase (IKK) family consists of IKKα, IKKβ, and the IKK-related kinases TBK1 and IKKε. These kinases are considered master regulators of inflammation and innate immunity via their control of the transcription factors NF-κB, IRF3, and IRF7. Novel phosphorylated substrates have been attributed to these kinases, a subset of which is not directly related to either inflammation or innate immunity. These findings have greatly expanded the perspectives on the biological activities of these kinases. In this review we highlight some of the novel substrates for this kinase family and discuss the biological implications of these phosphorylation events.
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Affiliation(s)
- Ricardo J Antonia
- Department of Surgery, Division of Surgical Oncology, and The Hellen Diller Comprehensive Cancer Center, The University of California San Francisco, San Francisco, CA, USA
| | - Robert S Hagan
- Division of Pulmonary Diseases and Critical Care Medicine, Department of Medicine, University of North Carolina, Chapel Hill, NC 27599, USA; Marsico Lung Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Albert S Baldwin
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
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Chen G, Li Z, Chen C, Liu J, Zhu W, She L, Huang H, Qin Y, Liu G, Wang J, Liu Y, Huang D, Tang Q, Zhang X, Zhu G. The Molecular Landscape and Biological Alterations Induced by PRAS40-Knockout in Head and Neck Squamous Cell Carcinoma. Front Oncol 2021; 10:565669. [PMID: 33489877 PMCID: PMC7821427 DOI: 10.3389/fonc.2020.565669] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Accepted: 11/13/2020] [Indexed: 12/12/2022] Open
Abstract
PRAS40 (Prolin-rich Akt substrate of 40 kDa) is a critical protein, which directly connects PI3K/Akt and mTORC1 pathway. It plays an indispensable role in the development of various diseases. However, the relationship between PRAS40 and head and neck squamous cell carcinoma (HNSCC) remains unclear. Here, our study indicated that high expression of PRAS40 mRNA is a favorable prognostic factor in HNSCC patients by analyzing 498 clinical and mRNA data. Moreover, we confirmed that CRISPR/Cas9 induced PRAS40-knockout would promote colony formation, cell migration, and invasion in several HNSCC cell lines. RNA-seq was employed to investigate the further possible mechanisms involving the above regulations by PRAS40 in HNSCC cells. The molecular landscape contributed by 253 differentially expressed mRNA after PRAS40-knockout was enriched in TGF-beta, PI3K-Akt, P53, mTOR, NF-κB signaling pathway. Partial molecular alternations within these pathways were validated by qPCR or Western blotting. Besides, we found that high expression of PRAS40 in HNSC patients would present more CD8+ T and T follicular helper cells, but less Th17 cells than the patients with low expression of PRAS40. The altered molecular pathways and tumor-infiltrating immune cells might associate with the mechanism of PRAS40 being a suppressor in HNSCC cells, which would provide a potential prognostic predictor and therapeutic target in HNSCC patients.
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Affiliation(s)
- Gang Chen
- Department of Otolaryngology-Head and Neck Surgery, The Xiangya Hospital, Central South University, Changsha, China
| | - Zhexuan Li
- Department of Otolaryngology-Head and Neck Surgery, The Xiangya Hospital, Central South University, Changsha, China
| | - Changhan Chen
- Department of Otolaryngology-Head and Neck Surgery, The Xiangya Hospital, Central South University, Changsha, China
| | - Jiajia Liu
- Department of Otolaryngology-Head and Neck Surgery, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Weiming Zhu
- Fuzhou Medical College of Nanchang University, Fuzhou, China
| | - Li She
- Department of Otolaryngology-Head and Neck Surgery, The Xiangya Hospital, Central South University, Changsha, China
| | - Huimei Huang
- Department of Otolaryngology-Head and Neck Surgery, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Yuexiang Qin
- Department of Otolaryngology-Head and Neck Surgery, The Xiangya Hospital, Central South University, Changsha, China
| | - Guancheng Liu
- Department of Otolaryngology-Head and Neck Surgery, The Xiangya Hospital, Central South University, Changsha, China
| | - Juncheng Wang
- Department of Otolaryngology-Head and Neck Surgery, The Xiangya Hospital, Central South University, Changsha, China
| | - Yong Liu
- Department of Otolaryngology-Head and Neck Surgery, The Xiangya Hospital, Central South University, Changsha, China.,Otolaryngology Major Disease Research Key Laboratory of Hunan Province, Changsha, China.,Clinical Research Center for Pharyngolaryngeal Diseases and Voice Disorders in Hunan Province, Changsha, China
| | - Donghai Huang
- Department of Otolaryngology-Head and Neck Surgery, The Xiangya Hospital, Central South University, Changsha, China.,Otolaryngology Major Disease Research Key Laboratory of Hunan Province, Changsha, China.,Clinical Research Center for Pharyngolaryngeal Diseases and Voice Disorders in Hunan Province, Changsha, China
| | - Qinglai Tang
- Department of Otolaryngology-Head and Neck Surgery, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Xin Zhang
- Department of Otolaryngology-Head and Neck Surgery, The Xiangya Hospital, Central South University, Changsha, China.,Otolaryngology Major Disease Research Key Laboratory of Hunan Province, Changsha, China.,Clinical Research Center for Pharyngolaryngeal Diseases and Voice Disorders in Hunan Province, Changsha, China
| | - Gangcai Zhu
- Department of Otolaryngology-Head and Neck Surgery, The Second Xiangya Hospital, Central South University, Changsha, China
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Taefehshokr S, Taefehshokr N, Hemmat N, Hajazimian S, Isazadeh A, Dadebighlu P, Baradaran B. The pivotal role of MicroRNAs in glucose metabolism in cancer. Pathol Res Pract 2020; 217:153314. [PMID: 33341548 DOI: 10.1016/j.prp.2020.153314] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 11/17/2020] [Accepted: 12/01/2020] [Indexed: 02/06/2023]
Abstract
Cancer cells are able to undergo aerobic glycolysis and metabolize glucose to lactate instead of oxidative phosphorylation, which is known as Warburg effect. Accumulating evidence has revealed that microRNAs regulate cancer cell metabolism, which manifest a higher rate of glucose metabolism. Various signaling pathways along with glycolytic enzymes are responsible for the emergence of glycolytic dependence. MicroRNAs are a class of non-coding RNAs that are not translated into proteins but regulate target gene expression or in other words function pre-translationally and post-transcriptionally. MicroRNAs have been shown to be involved in various biological processes, including glucose metabolism via targeting major transcription factors, enzymes, oncogenes or tumor suppressors alongside the oncogenic signaling pathways. In this review, we describe the regulatory role of microRNAs of cancer cell glucose metabolism, including in the glucose uptake, glycolysis, tricarboxylic acid cycle and several signaling pathways and further suggest that microRNA-based therapeutics can be used to inhibit the process of glucose metabolism reprogramming in cancer cells and thus suppressing cancer progression.
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Affiliation(s)
- Sina Taefehshokr
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nima Taefehshokr
- Department of Microbiology and Immunology, Center for Human Immunology, The University of Western Ontario, London, Ontario, Canada
| | - Nima Hemmat
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Saba Hajazimian
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Alireza Isazadeh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Pourya Dadebighlu
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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Oliveira GL, Coelho AR, Marques R, Oliveira PJ. Cancer cell metabolism: Rewiring the mitochondrial hub. Biochim Biophys Acta Mol Basis Dis 2020; 1867:166016. [PMID: 33246010 DOI: 10.1016/j.bbadis.2020.166016] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 11/12/2020] [Accepted: 11/15/2020] [Indexed: 12/15/2022]
Abstract
To adapt to tumoral environment conditions or even to escape chemotherapy, cells rapidly reprogram their metabolism to handle adversities and survive. Given the rapid rise of studies uncovering novel insights and therapeutic opportunities based on the role of mitochondria in tumor metabolic programing and therapeutics, this review summarizes most significant developments in the field. Taking in mind the key role of mitochondria on carcinogenesis and tumor progression due to their involvement on tumor plasticity, metabolic remodeling, and signaling re-wiring, those organelles are also potential therapeutic targets. Among other topics, we address the recent data intersecting mitochondria as of prognostic value and staging in cancer, by mitochondrial DNA (mtDNA) determination, and current inhibitors developments targeting mtDNA, OXPHOS machinery and metabolic pathways. We contribute for a holistic view of the role of mitochondria metabolism and directed therapeutics to understand tumor metabolism, to circumvent therapy resistance, and to control tumor development.
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Affiliation(s)
- Gabriela L Oliveira
- CNC-Center for Neuroscience and Cell Biology, UC-Biotech, University of Coimbra, Biocant Park, Cantanhede, Portugal
| | - Ana R Coelho
- CNC-Center for Neuroscience and Cell Biology, UC-Biotech, University of Coimbra, Biocant Park, Cantanhede, Portugal
| | - Ricardo Marques
- CNC-Center for Neuroscience and Cell Biology, UC-Biotech, University of Coimbra, Biocant Park, Cantanhede, Portugal
| | - Paulo J Oliveira
- CNC-Center for Neuroscience and Cell Biology, UC-Biotech, University of Coimbra, Biocant Park, Cantanhede, Portugal.
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Carrà G, Lingua MF, Maffeo B, Taulli R, Morotti A. P53 vs NF-κB: the role of nuclear factor-kappa B in the regulation of p53 activity and vice versa. Cell Mol Life Sci 2020; 77:4449-4458. [PMID: 32322927 PMCID: PMC11104960 DOI: 10.1007/s00018-020-03524-9] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 02/06/2020] [Accepted: 04/06/2020] [Indexed: 12/18/2022]
Abstract
The onco-suppressor p53 is a transcription factor that regulates a wide spectrum of genes involved in various cellular functions including apoptosis, cell cycle arrest, senescence, autophagy, DNA repair and angiogenesis. p53 and NF-κB generally have opposing effects in cancer cells. While p53 activity is associated with apoptosis induction, the stimulation of NF-κB has been demonstrated to promote resistance to programmed cell death. Although the transcription factor NF-κB family is considered as the master regulator of cancer development and maintenance, it has been mainly studied in relation to its ability to regulate p53. This has revealed the importance of the crosstalk between NF-κB, p53 and other crucial cell signaling pathways. This review analyzes the various mechanisms by which NF-κB regulates the activity of p53 and the role of p53 on NF-κB activity.
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Affiliation(s)
- Giovanna Carrà
- Department of Clinical and Biological Sciences, University of Turin, Regione Gonzole 10, 10043, Orbassano, Italy.
| | | | - Beatrice Maffeo
- Department of Clinical and Biological Sciences, University of Turin, Regione Gonzole 10, 10043, Orbassano, Italy
| | - Riccardo Taulli
- Department of Oncology, University of Turin, Regione Gonzole 10, 10043, Orbassano, Italy
| | - Alessandro Morotti
- Department of Clinical and Biological Sciences, University of Turin, Regione Gonzole 10, 10043, Orbassano, Italy.
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31
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Morris G, Puri BK, Olive L, Carvalho A, Berk M, Walder K, Gustad LT, Maes M. Endothelial dysfunction in neuroprogressive disorders-causes and suggested treatments. BMC Med 2020; 18:305. [PMID: 33070778 PMCID: PMC7570030 DOI: 10.1186/s12916-020-01749-w] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 08/16/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Potential routes whereby systemic inflammation, oxidative stress and mitochondrial dysfunction may drive the development of endothelial dysfunction and atherosclerosis, even in an environment of low cholesterol, are examined. MAIN TEXT Key molecular players involved in the regulation of endothelial cell function are described, including PECAM-1, VE-cadherin, VEGFRs, SFK, Rho GEF TRIO, RAC-1, ITAM, SHP-2, MAPK/ERK, STAT-3, NF-κB, PI3K/AKT, eNOS, nitric oxide, miRNAs, KLF-4 and KLF-2. The key roles of platelet activation, xanthene oxidase and myeloperoxidase in the genesis of endothelial cell dysfunction and activation are detailed. The following roles of circulating reactive oxygen species (ROS), reactive nitrogen species and pro-inflammatory cytokines in the development of endothelial cell dysfunction are then described: paracrine signalling by circulating hydrogen peroxide, inhibition of eNOS and increased levels of mitochondrial ROS, including compromised mitochondrial dynamics, loss of calcium ion homeostasis and inactivation of SIRT-1-mediated signalling pathways. Next, loss of cellular redox homeostasis is considered, including further aspects of the roles of hydrogen peroxide signalling, the pathological consequences of elevated NF-κB, compromised S-nitrosylation and the development of hypernitrosylation and increased transcription of atherogenic miRNAs. These molecular aspects are then applied to neuroprogressive disorders by considering the following potential generators of endothelial dysfunction and activation in major depressive disorder, bipolar disorder and schizophrenia: NF-κB; platelet activation; atherogenic miRs; myeloperoxidase; xanthene oxidase and uric acid; and inflammation, oxidative stress, nitrosative stress and mitochondrial dysfunction. CONCLUSIONS Finally, on the basis of the above molecular mechanisms, details are given of potential treatment options for mitigating endothelial cell dysfunction and activation in neuroprogressive disorders.
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Affiliation(s)
- Gerwyn Morris
- IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Deakin University, Geelong, Australia
| | | | - Lisa Olive
- IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Deakin University, Geelong, Australia
- School of Psychology, Faculty of Health, Deakin University, Geelong, Australia
| | - Andre Carvalho
- IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Deakin University, Geelong, Australia
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada
- Centre for Addiction and Mental Health (CAMH), Toronto, ON, Canada
| | - Michael Berk
- IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Deakin University, Geelong, Australia.
- Orygen, The National Centre of Excellence in Youth Mental Health, the Department of Psychiatry and the Florey Institute for Neuroscience and Mental Health, University of Melbourne, Parkville, VIC, Australia.
| | - Ken Walder
- IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Deakin University, Geelong, Australia
| | - Lise Tuset Gustad
- Department of Circulation and medical imaging, Norwegian University of Technology and Science (NTNU), Trondheim, Norway
- Nord-Trøndelag Hospital Trust, Levanger Hospital, Levanger, Norway
| | - Michael Maes
- IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Deakin University, Geelong, Australia
- Department of Psychiatry, King Chulalongkorn University Hospital, Bangkok, Thailand
- Department of Psychiatry, Medical University of Plovdiv, Plovdiv, Bulgaria
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Kouloulia S, Hallin EI, Simbriger K, Amorim IS, Lach G, Amvrosiadis T, Chalkiadaki K, Kampaite A, Truong VT, Hooshmandi M, Jafarnejad SM, Skehel P, Kursula P, Khoutorsky A, Gkogkas CG. Raptor-Mediated Proteasomal Degradation of Deamidated 4E-BP2 Regulates Postnatal Neuronal Translation and NF-κB Activity. Cell Rep 2020; 29:3620-3635.e7. [PMID: 31825840 PMCID: PMC6915327 DOI: 10.1016/j.celrep.2019.11.023] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Revised: 09/06/2019] [Accepted: 11/06/2019] [Indexed: 12/14/2022] Open
Abstract
The translation initiation repressor 4E-BP2 is deamidated in the brain on asparagines N99/N102 during early postnatal brain development. This post-translational modification enhances 4E-BP2 association with Raptor, a central component of mTORC1 and alters the kinetics of excitatory synaptic transmission. We show that 4E-BP2 deamidation is neuron specific, occurs in the human brain, and changes 4E-BP2 subcellular localization, but not its disordered structure state. We demonstrate that deamidated 4E-BP2 is ubiquitinated more and degrades faster than the unmodified protein. We find that enhanced deamidated 4E-BP2 degradation is dependent on Raptor binding, concomitant with increased association with a Raptor-CUL4B E3 ubiquitin ligase complex. Deamidated 4E-BP2 stability is promoted by inhibiting mTORC1 or glutamate receptors. We further demonstrate that deamidated 4E-BP2 regulates the translation of a distinct pool of mRNAs linked to cerebral development, mitochondria, and NF-κB activity, and thus may be crucial for postnatal brain development in neurodevelopmental disorders, such as ASD. Deamidated 4E-BP2 occurs in neurons and is susceptible to ubiquitination/degradation mTORC1 or glutamate receptor inhibition stabilizes deamidated 4E-BP2 A Raptor-CUL4B ubiquitin ligase complex binds to deamidated 4E-BP2 Deamidated 4E-BP2 regulates postnatal brain translation and NF-κB activity
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Affiliation(s)
- Stella Kouloulia
- Centre for Discovery Brain Sciences and Patrick Wild Centre, University of Edinburgh, Edinburgh EH8 9XD, UK
| | - Erik I Hallin
- Department of Biomedicine, University of Bergen, Bergen N-5020, Norway
| | - Konstanze Simbriger
- Centre for Discovery Brain Sciences and Patrick Wild Centre, University of Edinburgh, Edinburgh EH8 9XD, UK
| | - Inês S Amorim
- Centre for Discovery Brain Sciences and Patrick Wild Centre, University of Edinburgh, Edinburgh EH8 9XD, UK
| | - Gilliard Lach
- Centre for Discovery Brain Sciences and Patrick Wild Centre, University of Edinburgh, Edinburgh EH8 9XD, UK
| | - Theoklitos Amvrosiadis
- Centre for Discovery Brain Sciences and Patrick Wild Centre, University of Edinburgh, Edinburgh EH8 9XD, UK
| | - Kleanthi Chalkiadaki
- Centre for Discovery Brain Sciences and Patrick Wild Centre, University of Edinburgh, Edinburgh EH8 9XD, UK
| | - Agniete Kampaite
- Centre for Discovery Brain Sciences and Patrick Wild Centre, University of Edinburgh, Edinburgh EH8 9XD, UK
| | - Vinh Tai Truong
- Department of Anesthesia and Alan Edwards Centre for Research on Pain, McGill University, Montréal H3A 0G1, QC, Canada
| | - Mehdi Hooshmandi
- Department of Anesthesia and Alan Edwards Centre for Research on Pain, McGill University, Montréal H3A 0G1, QC, Canada
| | - Seyed Mehdi Jafarnejad
- Centre for Cancer Research and Cell Biology, Queen's University of Belfast, Belfast BT9 7AE, UK
| | - Paul Skehel
- Centre for Discovery Brain Sciences and Patrick Wild Centre, University of Edinburgh, Edinburgh EH8 9XD, UK
| | - Petri Kursula
- Department of Biomedicine, University of Bergen, Bergen N-5020, Norway; Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu FI-90014, Finland
| | - Arkady Khoutorsky
- Department of Anesthesia and Alan Edwards Centre for Research on Pain, McGill University, Montréal H3A 0G1, QC, Canada.
| | - Christos G Gkogkas
- Centre for Discovery Brain Sciences and Patrick Wild Centre, University of Edinburgh, Edinburgh EH8 9XD, UK; Simons Initiative for the Developing Brain, University of Edinburgh, Edinburgh EH8 9XD, UK.
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Bozzetti F, Stanga Z. Does nutrition for cancer patients feed the tumour? A clinical perspective. Crit Rev Oncol Hematol 2020; 153:103061. [DOI: 10.1016/j.critrevonc.2020.103061] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 07/06/2020] [Accepted: 07/07/2020] [Indexed: 12/12/2022] Open
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Mendes C, Serpa J. Revisiting lactate dynamics in cancer—a metabolic expertise or an alternative attempt to survive? J Mol Med (Berl) 2020; 98:1397-1414. [DOI: 10.1007/s00109-020-01965-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 07/14/2020] [Accepted: 08/14/2020] [Indexed: 12/15/2022]
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35
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Wang Z, Wu W, Guan X, Guo S, Li C, Niu R, Gao J, Jiang M, Bai L, Leung EL, Hou Y, Jiang Z, Bai G. 20( S)-Protopanaxatriol promotes the binding of P53 and DNA to regulate the antitumor network via multiomic analysis. Acta Pharm Sin B 2020; 10:1020-1035. [PMID: 32642409 PMCID: PMC7332671 DOI: 10.1016/j.apsb.2020.01.017] [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: 09/14/2019] [Revised: 12/02/2019] [Accepted: 12/06/2019] [Indexed: 12/14/2022] Open
Abstract
Although the tumor suppressor P53 is known to regulate a broad network of signaling pathways, it is still unclear how certain drugs influence these P53 signaling networks. Here, we used a comprehensive single-cell multiomics view of the effects of ginsenosides on cancer cells. Transcriptome and proteome profiling revealed that the antitumor activity of ginsenosides is closely associated with P53 protein. A miRNA–proteome interaction network revealed that P53 controlled the transcription of at least 38 proteins, and proteome-metabolome profiling analysis revealed that P53 regulated proteins involved in nucleotide metabolism, amino acid metabolism and “Warburg effect”. The results of integrative multiomics analysis revealed P53 protein as a potential key target that influences the anti-tumor activity of ginsenosides. Furthermore, by applying affinity mass spectrometry (MS) screening and surface plasmon resonance fragment library screening, we confirmed that 20(S)-protopanaxatriol directly targeted adjacent regions of the P53 DNA-binding pocket and promoted the stability of P53–DNA interactions, which further induced a series of omics changes.
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36
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Chen Z, Li S, Shen L, Wei X, Zhu H, Wang X, Yang M, Zheng X. NF-kappa B interacting long noncoding RNA enhances the Warburg effect and angiogenesis and is associated with decreased survival of patients with gliomas. Cell Death Dis 2020; 11:323. [PMID: 32382013 PMCID: PMC7206073 DOI: 10.1038/s41419-020-2520-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 04/18/2020] [Accepted: 04/20/2020] [Indexed: 02/08/2023]
Abstract
In various malignant tumors, NF-kappa B interacting long noncoding RNA (NKILA) displays antitumor activity by inhibiting the NF-kappa B pathway. However, the role of NKILA in gliomas remains unclear. Surprisingly, this study showed that NKILA is significantly upregulated in gliomas, and the increased levels of NKILA were correlated with a decrease in patient survival time. NKILA increased the expression level of hypoxia-inducible factor-1α, and the activity of the hypoxia pathway in gliomas. Furthermore, we demonstrated that NKILA enhances the Warburg effect and angiogenesis in gliomas both in vitro and in vivo. Therefore, NKILA is a potential therapeutic target in gliomas. In addition, we showed that a 20(S)-Rg3 monomer suppresses NKILA accumulation and reverses its stimulation of the Warburg effect and angiogenesis in gliomas, both in vitro and in vivo. Therefore, this study not only identified NKILA as a potential therapeutic target in gliomas, but also demonstrated a practical approach to treatment.
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Affiliation(s)
- Zheng Chen
- Department of Neurosurgery, XinHua Hospital, Shanghai JiaoTong University School of Medicine, 1665 KongJiang Rd, Shanghai, 200092, China
| | - Shiting Li
- The Cranial Nerve Disease Center of Shanghai JiaoTong University, Shanghai, 200092, China
| | - Lin Shen
- Department of Neurosurgery, XinHua Hospital, Shanghai JiaoTong University School of Medicine, 1665 KongJiang Rd, Shanghai, 200092, China
| | - Xiangyu Wei
- The Cranial Nerve Disease Center of Shanghai JiaoTong University, Shanghai, 200092, China
| | - Hanshuo Zhu
- Department of Neurosurgery, XinHua Hospital, Shanghai JiaoTong University School of Medicine, 1665 KongJiang Rd, Shanghai, 200092, China
| | - Xueyi Wang
- The Cranial Nerve Disease Center of Shanghai JiaoTong University, Shanghai, 200092, China
| | - Min Yang
- Department of Neurosurgery, XinHua Hospital, Shanghai JiaoTong University School of Medicine, 1665 KongJiang Rd, Shanghai, 200092, China.
| | - Xuesheng Zheng
- Department of Neurosurgery, XinHua Hospital, Shanghai JiaoTong University School of Medicine, 1665 KongJiang Rd, Shanghai, 200092, China.
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37
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Robb JL, Hammad NA, Weightman Potter PG, Chilton JK, Beall C, Ellacott KLJ. The metabolic response to inflammation in astrocytes is regulated by nuclear factor-kappa B signaling. Glia 2020; 68:2246-2263. [PMID: 32277522 DOI: 10.1002/glia.23835] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 03/19/2020] [Accepted: 03/31/2020] [Indexed: 12/26/2022]
Abstract
Inflammation and metabolism are intrinsically linked with inflammatory stimuli inducing metabolic changes in cells and, in turn, metabolic capacity determining cellular inflammatory responses. Although well characterized in peripheral immune cells there is comparatively less known about these "immunometabolic" responses in astrocytes. In this study, we tested the hypothesis that the astrocytic inflammatory response driven by nuclear factor-kappa B (NF-κB) signaling is dependent on glycolytic metabolism. Using mouse primary cortical astrocyte cultures, we assessed changes in cellular metabolism after exposure to lipopolysaccharide (LPS), with cytokine ELISAs and immunoblotting being used to measure inflammatory responses. Results indicate temporally distinct metabolic adaptations to pro-inflammatory stimulation in astrocytes: 3 hr LPS treatment increased glycolysis but did not alter mitochondrial metabolism, while following 24 hr of LPS treatment we observed increased oxidative phosphorylation, and decreased glycolytic capacity and glucose uptake, partly due to reduced glucose transporter 1 expression. Inhibition of NF-κB signaling with the IKK-beta inhibitor TPCA-1 prevented the LPS induced changes to glycolysis and oxidative phosphorylation. Furthermore, TPCA-1 treatment altered both glycolysis and oxidative phosphorylation independently from inflammatory stimulation, indicating a role for NF-κB signaling in regulation of basal metabolism in astrocytes. Inhibition of glycolysis with 2-deoxyglucose significantly attenuated LPS-induced cytokine release and NF-κB phosphorylation, indicating that intact glycolysis is required for the full inflammatory response to LPS. Together our data indicate that astrocytes display immunometabolic responses to acute LPS stimulation which may represent a potential therapeutic target for neuroinflammatory disorders.
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Affiliation(s)
- Josephine L Robb
- Institute of Biomedical and Clinical Science, University of Exeter Medical School, Exeter, UK
| | - Nadia A Hammad
- Institute of Biomedical and Clinical Science, University of Exeter Medical School, Exeter, UK
| | - Paul G Weightman Potter
- Institute of Biomedical and Clinical Science, University of Exeter Medical School, Exeter, UK
| | - John K Chilton
- Institute of Biomedical and Clinical Science, University of Exeter Medical School, Exeter, UK
| | - Craig Beall
- Institute of Biomedical and Clinical Science, University of Exeter Medical School, Exeter, UK
| | - Kate L J Ellacott
- Institute of Biomedical and Clinical Science, University of Exeter Medical School, Exeter, UK
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38
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Zhang Y, Du H, Li Y, Yuan Y, Chen B, Sun S. Elevated TRIM23 expression predicts cisplatin resistance in lung adenocarcinoma. Cancer Sci 2020; 111:637-646. [PMID: 31677335 PMCID: PMC7004530 DOI: 10.1111/cas.14226] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 09/20/2019] [Accepted: 09/30/2019] [Indexed: 12/13/2022] Open
Abstract
The tripartite motif containing 23 (TRIM23) gene is a member of the tripartite motif (TRIM) family that participates in many pathophysiological processes. However, the role of TRIM23 in lung adenocarcinoma (LUAD) remains unclear. In the present study, TRIM23 was first screened by next-generation sequencing between the cisplatin (DDP)-resistant A549/DDP cell line and the parental A549 cell line, combined with integrated analysis of the Gene Expression Omnibus (GEO) data (E-GEOD-43493 and E-GEOD-43494). The expression of TRIM23 was then verified to be upregulated in the DDP-resistant LUAD cells and tissues. The knockdown of TRIM23 expression in A549/DDP cells caused increased apoptosis, decreased IC50 values of DDP, NF-κB nuclear translocation, inhibition of cell proliferation in vitro and in vivo, inhibition of GLUT1/3 expression, glucose uptake, and lactate and ATP production. TRIM23 overexpression resulted in the opposite effects in A549 cells. In addition, the inhibition of proliferation in A549 cells caused by NF-κB signaling inhibitor PTDC or glycolysis inhibitor 3-BrPA could be weakened by TRIM23 overexpression. Furthermore, immunohistochemical analysis revealed that TRIM23 was upregulated in 46.1% (70/152) of LUAD cases, and elevated TRIM23 expression was correlated with high expression of NF-κB, poor cellular differentiation, and adverse overall survival (OS) and disease-free survival (DFS). In conclusion, our study demonstrates that TRIM23 acts as an oncogene in LUAD and promotes DDP resistance by regulating glucose metabolism via the TRIM23/NF-κB/ GLUT1/3 axis.
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Affiliation(s)
- Youwei Zhang
- Department of Medical Oncology, Xuzhou Central Hospital, Xuzhou Medical University, Xuzhou, China
| | - He Du
- Department of Medical Oncology, Affiliated Shanghai Pulmonary Hospital, Tongji University, Shanghai, China
| | - Yang Li
- Department of Medical Oncology, Xuzhou Central Hospital, Xuzhou Medical University, Xuzhou, China
| | - Yuan Yuan
- Department of Medical Oncology, Xuzhou Central Hospital, Xuzhou Medical University, Xuzhou, China
| | - Bi Chen
- Department of Respiratory Medicine, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Sanyuan Sun
- Department of Medical Oncology, Xuzhou Central Hospital, Xuzhou Medical University, Xuzhou, China
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TCA Cycle Rewiring as Emerging Metabolic Signature of Hepatocellular Carcinoma. Cancers (Basel) 2019; 12:cancers12010068. [PMID: 31881713 PMCID: PMC7016696 DOI: 10.3390/cancers12010068] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 12/20/2019] [Accepted: 12/23/2019] [Indexed: 12/27/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is a common malignancy. Despite progress in treatment, HCC is still one of the most lethal cancers. Therefore, deepening molecular mechanisms underlying HCC pathogenesis and development is required to uncover new therapeutic strategies. Metabolic reprogramming is emerging as a critical player in promoting tumor survival and proliferation to sustain increased metabolic needs of cancer cells. Among the metabolic pathways, the tricarboxylic acid (TCA) cycle is a primary route for bioenergetic, biosynthetic, and redox balance requirements of cells. In recent years, a large amount of evidence has highlighted the relevance of the TCA cycle rewiring in a variety of cancers. Indeed, aberrant gene expression of several key enzymes and changes in levels of critical metabolites have been observed in many solid human tumors. In this review, we summarize the role of the TCA cycle rewiring in HCC by reporting gene expression and activity dysregulation of enzymes relating not only to the TCA cycle but also to glutamine metabolism, malate/aspartate, and citrate/pyruvate shuttles. Regarding the transcriptional regulation, we focus on the link between NF-κB-HIF1 transcriptional factors and TCA cycle reprogramming. Finally, the potential of metabolic targets for new HCC treatments has been explored.
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Yu J, Shi L, Lin W, Lu B, Zhao Y. UCP2 promotes proliferation and chemoresistance through regulating the NF-κB/β-catenin axis and mitochondrial ROS in gallbladder cancer. Biochem Pharmacol 2019; 172:113745. [PMID: 31811866 DOI: 10.1016/j.bcp.2019.113745] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Accepted: 12/02/2019] [Indexed: 02/07/2023]
Abstract
Uncoupling protein 2 (UCP2) is a mitochondrial anion carrier which plays a key role in energy homeostasis. UCP2 is deregulated in several human cancers and has been suggested to regulate cancer metabolism. However, the role of UCP2 in gallbladder cancer has not been defined. Using clinical samples, we found highly expressed UCP2 in gallbladder cancer tissues, and higher expression levels of UCP2 correlated with worse clinical characteristics. To study whether UCP2 promotes gallbladder cancer growth, UCP2 stable knockdown cells were generated, and cell proliferation was suppressed in these knockdown cells. Further studies demonstrated that glycolysis was inhibited and IKKβ, as well as the downstream signaling molecules NF-κB/FAK/β-catenin, were downregulated in UCP2 knockdown cells. More importantly, gallbladder cancer cells became sensitive to gemcitabine treatments when UCP2 was inhibited. UCP2 knockdown suppressed the activation of the NF-κB/β-catenin axis and promoted the increases in mitochondrial ROS in gallbladder cancer cells exposed to gemcitabine treatments. The UCP2 inhibitor genipin suppressed xenograft tumor growth and sensitized grafted tumors to gemcitabine treatments. These results suggest targeting UCP2 as a novel therapeutic strategy for the treatment of gallbladder cancer.
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Affiliation(s)
- Jianhua Yu
- Department of Hepatobiliary Surgery, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, China; Department of Pharmacology, Toxicology & Neurosciences, LSU Health Sciences Center, Shreveport, LA 71130, USA
| | - Lawrence Shi
- Department of Pharmacology, Toxicology & Neurosciences, LSU Health Sciences Center, Shreveport, LA 71130, USA
| | - Weiguo Lin
- Department of Hepatobiliary Surgery, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, China
| | - Baochun Lu
- Department of Hepatobiliary Surgery, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, China
| | - Yunfeng Zhao
- Department of Pharmacology, Toxicology & Neurosciences, LSU Health Sciences Center, Shreveport, LA 71130, USA.
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Norden E, Heiss EH. Urolithin A gains in antiproliferative capacity by reducing the glycolytic potential via the p53/TIGAR axis in colon cancer cells. Carcinogenesis 2019; 40:93-101. [PMID: 30418550 PMCID: PMC6412115 DOI: 10.1093/carcin/bgy158] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Revised: 10/16/2018] [Accepted: 11/07/2018] [Indexed: 12/12/2022] Open
Abstract
Polyphenols have shown promising bioactivity in experimental in vitro and in vivo models for cancer chemoprevention. However, consumed orally, they are often transformed by gut microbes into new active principles with so far incompletely deciphered molecular mechanisms. Here, enterolacton, S-equol and urolithin A as representatives of metabolites of lignans, isoflavones and ellagitannins, respectively, were examined for their impact on HCT116 colon cancer cell growth, cooperativity with oxaliplatin and p53 dependency in vitro. Whereas enterolacton and S-equol (≤60 µM) did not elicit growth inhibition or positive cooperativity with oxaliplatin, urolithin A showed an IC50 value of 19 µM (72 h) and synergism with oxaliplatin. Urolithin A induced p53 stabilization and p53 target gene expression, and absence of p53 significantly dampened the antiproliferative effect of urolithin A (IC50(p53-/-) = 38 µM). P53 was dispensable for the G2/M arrest in HCT116 cells but required for induction of a senescence-like phenotype upon long-term exposure and for the observed synergism with oxaliplatin. Moreover, extracellular flux analyses and knockdown approaches uncovered a reduced glycolytic potential via the p53/TIGAR axis which was linked to the higher susceptibility of wildtype cells to urolithin A. Overall, the p53 status turned out to be an important determinant for the potential benefit of dietary ellagitannins in cancer chemoprevention or use in adjuvant therapy.
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Affiliation(s)
- Elisabeth Norden
- Department of Pharmacognosy, University of Vienna, Vienna, Austria
| | - Elke H Heiss
- Department of Pharmacognosy, University of Vienna, Vienna, Austria
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de la Cruz-López KG, Castro-Muñoz LJ, Reyes-Hernández DO, García-Carrancá A, Manzo-Merino J. Lactate in the Regulation of Tumor Microenvironment and Therapeutic Approaches. Front Oncol 2019; 9:1143. [PMID: 31737570 PMCID: PMC6839026 DOI: 10.3389/fonc.2019.01143] [Citation(s) in RCA: 473] [Impact Index Per Article: 94.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2019] [Accepted: 10/15/2019] [Indexed: 12/23/2022] Open
Abstract
Tumor cells must generate sufficient ATP and biosynthetic precursors in order to maintain cell proliferation requirements. Otto Warburg showed that tumor cells uptake high amounts of glucose producing large volumes of lactate even in the presence of oxygen, this process is known as “Warburg effect or aerobic glycolysis.” As a consequence of such amounts of lactate there is an acidification of the extracellular pH in tumor microenvironment, ranging between 6.0 and 6.5. This acidosis favors processes such as metastasis, angiogenesis and more importantly, immunosuppression, which has been associated to a worse clinical prognosis. Thus, lactate should be thought as an important oncometabolite in the metabolic reprogramming of cancer. In this review, we summarized the role of lactate in regulating metabolic microenvironment of cancer and discuss its relevance in the up-regulation of the enzymes lactate dehydrogenase (LDH) and monocarboxilate transporters (MCTs) in tumors. The goal of this review is to expose that lactate is not only a secondary product of cellular metabolic waste of tumor cells, but also a key molecule involved in carcinogenesis as well as in tumor immune evasion. Finally, the possible targeting of lactate production in cancer treatment is discussed.
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Affiliation(s)
- Karen G de la Cruz-López
- Programa de Doctorado en Ciencias Biomédicas, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad Universitaria, Mexico City, Mexico.,Unidad de Investigación Biomédica en Cáncer, Instituto Nacional de Cancerología, México/Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Mexico City, Mexico.,Laboratory of Virus and Cancer, Subdirección de Investigación Básica, Instituto Nacional de Cancerología, Mexico City, Mexico
| | - Leonardo Josué Castro-Muñoz
- Programa de Doctorado en Ciencias Biomédicas, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad Universitaria, Mexico City, Mexico.,Unidad de Investigación Biomédica en Cáncer, Instituto Nacional de Cancerología, México/Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Diego O Reyes-Hernández
- Programa de Maestría y Doctorado en Ciencias Médicas, Odontológicas y de la Salud, Maestría en Investigación Clínica Experimental, Universidad Nacional Autónoma de Mexico, Mexico City, Mexico.,Biological Cancer Causing Agents Group, Instituto Nacional de Cancerología, Mexico City, Mexico
| | - Alejandro García-Carrancá
- Unidad de Investigación Biomédica en Cáncer, Instituto Nacional de Cancerología, México/Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Mexico City, Mexico.,Laboratory of Virus and Cancer, Subdirección de Investigación Básica, Instituto Nacional de Cancerología, Mexico City, Mexico
| | - Joaquín Manzo-Merino
- Unidad de Investigación Biomédica en Cáncer, Instituto Nacional de Cancerología, México/Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Mexico City, Mexico.,Biological Cancer Causing Agents Group, Instituto Nacional de Cancerología, Mexico City, Mexico.,Cátedras CONACyT-Instituto Nacional de Cancerología, Mexico City, Mexico
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Wang R, Lou X, Feng G, Chen J, Zhu L, Liu X, Yao X, Li P, Wan J, Zhang Y, Ni C, Qin Z. IL-17A-stimulated endothelial fatty acid β-oxidation promotes tumor angiogenesis. Life Sci 2019; 229:46-56. [PMID: 31085243 DOI: 10.1016/j.lfs.2019.05.030] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Revised: 05/08/2019] [Accepted: 05/10/2019] [Indexed: 11/19/2022]
Abstract
AIMS Tumor growth is an angiogenesis-dependent process that requires sustained new vessel growth. Interleukin-17 (IL-17A) is a key cytokine that modulates tumor progression. However, whether IL-17A affects the metabolism of endothelial cells is unknown. MAIN METHODS A xenograft model was established by implanting H460 (human lung cancer cell line) cells transfected with IL-17A-expressing or control vector. The effects of IL-17A on sprouting and tube formation of human umbilical vein endothelial cells (HUVECs) were measured. After treatment with IL-17A, the proliferation and migration of HUVECs were examined. Liquid chromatography-mass spectrometry (LC-MS) and Seahorse were used to detect the effects of IL-17A on mitochondrial respiration and fatty acid β-oxidation (FAO) in HUVECs. Western blotting was used to examine signaling pathways. KEY FINDINGS Herein, we found that IL-17A promoted H460 tumor growth and angiogenesis in vivo and in vitro. Moreover, IL-17A stimulated angiogenesis by enhancing FAO, increasing mitochondrial respiration of endothelial cells. The AMP-activated protein kinase (AMPK) signaling pathway was activated to promote FAO. Finally, IL-17A-induced angiogenesis was blocked when FAO was inhibited using etomoxir. SIGNIFICANCE In summary, these results indicate that IL-17A stimulates angiogenesis by promoting FAO. Thus, our study might provide a new therapeutic target for angiogenic vascular disorders.
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Affiliation(s)
- Ruirui Wang
- Medical Research Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450052, China
| | - Xiaohan Lou
- Medical Research Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450052, China
| | - Guang Feng
- Department of Orthopedics, Zhengzhou Central Hospital, Zhengzhou, Henan Province 450052, China
| | - Jinfeng Chen
- Research Center for Clinical System Biology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450052, China
| | - Linyu Zhu
- Medical Research Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450052, China
| | - Xiaomeng Liu
- Medical Research Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450052, China
| | - Xiaohan Yao
- Medical Research Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450052, China
| | - Pan Li
- Department of Pathology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450052, China
| | - Jiajia Wan
- Medical Research Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450052, China
| | - Yi Zhang
- Biotherapy Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450052, China
| | - Chen Ni
- Medical Research Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450052, China.
| | - Zhihai Qin
- Medical Research Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450052, China; Key Laboratory of Protein and Peptide Pharmaceuticals, CAS-University of Tokyo Joint Laboratory of Structural Virology and Immunology, Institute of Biophysics, Chinese Academy of Sciences, University of the Chinese Academy of Sciences, Beijing, 100000, China.
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44
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Orang AV, Petersen J, McKinnon RA, Michael MZ. Micromanaging aerobic respiration and glycolysis in cancer cells. Mol Metab 2019; 23:98-126. [PMID: 30837197 PMCID: PMC6479761 DOI: 10.1016/j.molmet.2019.01.014] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 01/22/2019] [Accepted: 01/30/2019] [Indexed: 01/17/2023] Open
Abstract
BACKGROUND Cancer cells possess a common metabolic phenotype, rewiring their metabolic pathways from mitochondrial oxidative phosphorylation to aerobic glycolysis and anabolic circuits, to support the energetic and biosynthetic requirements of continuous proliferation and migration. While, over the past decade, molecular and cellular studies have clearly highlighted the association of oncogenes and tumor suppressors with cancer-associated glycolysis, more recent attention has focused on the role of microRNAs (miRNAs) in mediating this metabolic shift. Accumulating studies have connected aberrant expression of miRNAs with direct and indirect regulation of aerobic glycolysis and associated pathways. SCOPE OF REVIEW This review discusses the underlying mechanisms of metabolic reprogramming in cancer cells and provides arguments that the earlier paradigm of cancer glycolysis needs to be updated to a broader concept, which involves interconnecting biological pathways that include miRNA-mediated regulation of metabolism. For these reasons and in light of recent knowledge, we illustrate the relationships between metabolic pathways in cancer cells. We further summarize our current understanding of the interplay between miRNAs and these metabolic pathways. This review aims to highlight important metabolism-associated molecular components in the hunt for selective preventive and therapeutic treatments. MAJOR CONCLUSIONS Metabolism in cancer cells is influenced by driver mutations but is also regulated by posttranscriptional gene silencing. Understanding the nuanced regulation of gene expression in these cells and distinguishing rapid cellular responses from chronic adaptive mechanisms provides a basis for rational drug design and novel therapeutic strategies.
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Affiliation(s)
- Ayla V Orang
- Flinders Centre for Innovation in Cancer, Flinders University, Flinders Medical Centre, Adelaide, South Australia 5042, Australia.
| | - Janni Petersen
- Flinders Centre for Innovation in Cancer, Flinders University, Flinders Medical Centre, Adelaide, South Australia 5042, Australia.
| | - Ross A McKinnon
- Flinders Centre for Innovation in Cancer, Flinders University, Flinders Medical Centre, Adelaide, South Australia 5042, Australia.
| | - Michael Z Michael
- Flinders Centre for Innovation in Cancer, Flinders University, Flinders Medical Centre, Adelaide, South Australia 5042, Australia.
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45
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Potent and PPARα-independent anti-proliferative action of the hypolipidemic drug fenofibrate in VEGF-dependent angiosarcomas in vitro. Sci Rep 2019; 9:6316. [PMID: 31004117 PMCID: PMC6474884 DOI: 10.1038/s41598-019-42838-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 04/05/2019] [Indexed: 01/13/2023] Open
Abstract
Angiosarcomas are highly aggressive tumors of endothelial origin, which carry a poor prognosis. Fenofibrate is a hypolipidemic drug, which acts by activating the transcription factor PPARα. It has also been widely reported to have ‘anti-cancer’ activity. The current study investigated its effect in a murine VEGF-dependent angiosarcoma cell-line, MS1 VEGF. The study utilised assays to monitor cell proliferation and viability, apoptosis, cell cycle progression, mitochondrial membrane potential, changes in protein expression, and changes in miRNA expression using microarrays. Fenofibrate showed potent anti-proliferative action in MS1 VEGF angiosarcoma cells, without inducing apoptosis. It enriched cells in G2/M cell cycle phase and hyperpolarised mitochondria. Other PPARα activators failed to mimic fenofibrate action. Inhibitors of PPARα and NFκB failed to reverse the inhibitory effect of fenofibrate and their combination with fenofibrate was cytotoxic. Fenofibrate downregulated the expression of key VEGF-effector proteins, including Akt, ERK, Bcl-2 and survivin, and a chemical inhibitor screen discovered relevance of these proteins to cell proliferation. A miRNA microarray revealed that fenofibrate differentially regulated cellular miRNAs with known roles in cancer and angiogenesis. The data raise the possibility that fenofibrate could be useful in angiosarcoma therapy, especially considering its well-established clinical safety and tolerability profile.
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Kumar R, Bhat TA, Walsh EM, Chaudhary AK, O'Malley J, Rhim JS, Wang J, Morrison CD, Attwood K, Bshara W, Mohler JL, Yadav N, Chandra D. Cytochrome c Deficiency Confers Apoptosome and Mitochondrial Dysfunction in African-American Men with Prostate Cancer. Cancer Res 2019; 79:1353-1368. [PMID: 30765600 DOI: 10.1158/0008-5472.can-18-2383] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Revised: 12/16/2018] [Accepted: 01/31/2019] [Indexed: 01/07/2023]
Abstract
Although African-American (AA) patients with prostate cancer tend to develop greater therapeutic resistance and faster prostate cancer recurrence compared with Caucasian-American (CA) men, the molecular mechanisms of this racial prostate cancer disparity remain undefined. In this study, we provide the first comprehensive evidence that cytochrome c deficiency in AA primary tumors and cancer cells abrogates apoptosome-mediated caspase activation and contributes to mitochondrial dysfunction, thereby promoting therapeutic resistance and prostate cancer aggressiveness in AA men. In AA prostate cancer cells, decreased nuclear accumulation of nuclear respiration factor 1 (Nrf1) and its subsequent loss of binding to the cytochrome c promoter mediated cytochrome c deficiency. The activation of cellular Myc (c-Myc) and NF-κB or inhibition of AKT prevented nuclear translocation of Nrf1. Genetic and pharmacologic inhibition of c-Myc and NF-κB or activation of AKT promoted Nrf1 binding to cytochrome c promoter, cytochrome c expression, caspase activation, and cell death. The lack of p-Drp1S616 in AA prostate cancer cells contributed to defective cytochrome c release and increased resistance to apoptosis, indicating that restoration of cytochrome c alone may be insufficient to induce effective apoptosis. Cytochrome c deficiency promoted the acquisition of glycolytic phenotypes and mitochondrial dysfunction, whereas cytochrome c restoration via inhibition of c-Myc and NF-κB or activation of AKT attenuated glycolysis in AA prostate cancer cells. Inhibition of c-Myc and NF-κB enhanced the efficacy of docetaxel in tumor xenografts. Therefore, restoring cytochrome c may overcome therapeutic resistance and prostate cancer aggressiveness in AA men. Overall, this study provides the first comprehensive experimental, mechanistic, and clinical evidence for apoptosome and mitochondrial dysfunction in prostate cancer racial disparity. SIGNIFICANCE: Mechanistic insights on prostate cancer health disparity among American men provide novel approaches to restore mitochondrial function, which can address therapeutic resistance and aggressiveness in African-American men with prostate cancer.
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Affiliation(s)
- Rahul Kumar
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Tariq A Bhat
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Elise M Walsh
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Ajay K Chaudhary
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Jordan O'Malley
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Johng S Rhim
- Center for Prostate Disease Research, Department of Surgery, Uniformed Services University of Health Sciences, Bethesda, Maryland
| | - Jianmin Wang
- Department of Biostatistics and Bioinformatics, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Carl D Morrison
- Department of Pathology, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Kristopher Attwood
- Department of Biostatistics, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Wiam Bshara
- Pathology Resource Network, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - James L Mohler
- Department of Urology, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Neelu Yadav
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Dhyan Chandra
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, New York.
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47
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Stone OA, El-Brolosy M, Wilhelm K, Liu X, Romão AM, Grillo E, Lai JKH, Günther S, Jeratsch S, Kuenne C, Lee IC, Braun T, Santoro MM, Locasale JW, Potente M, Stainier DYR. Loss of pyruvate kinase M2 limits growth and triggers innate immune signaling in endothelial cells. Nat Commun 2018; 9:4077. [PMID: 30301887 PMCID: PMC6177464 DOI: 10.1038/s41467-018-06406-8] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Accepted: 09/01/2018] [Indexed: 12/11/2022] Open
Abstract
Despite their inherent proximity to circulating oxygen and nutrients, endothelial cells (ECs) oxidize only a minor fraction of glucose in mitochondria, a metabolic specialization that is poorly understood. Here we show that the glycolytic enzyme pyruvate kinase M2 (PKM2) limits glucose oxidation, and maintains the growth and epigenetic state of ECs. We find that loss of PKM2 alters mitochondrial substrate utilization and impairs EC proliferation and migration in vivo. Mechanistically, we show that the NF-κB transcription factor RELB is responsive to PKM2 loss, limiting EC growth through the regulation of P53. Furthermore, S-adenosylmethionine synthesis is impaired in the absence of PKM2, resulting in DNA hypomethylation, de-repression of endogenous retroviral elements (ERVs) and activation of antiviral innate immune signalling. This work reveals the metabolic and functional consequences of glucose oxidation in the endothelium, highlights the importance of PKM2 for endothelial growth and links metabolic dysfunction with autoimmune activation in ECs.
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Affiliation(s)
- Oliver A Stone
- Department of Developmental Genetics, Max Planck Institute for Heart and Lung Research, Ludwigstrasse 43, 61231, Bad Nauheim, Germany.
- Department of Physiology, Anatomy and Genetics, BHF Centre of Research Excellence, University of Oxford, Oxford, OX1 3PT, UK.
| | - Mohamed El-Brolosy
- Department of Developmental Genetics, Max Planck Institute for Heart and Lung Research, Ludwigstrasse 43, 61231, Bad Nauheim, Germany
| | - Kerstin Wilhelm
- Angiogenesis & Metabolism Laboratory, Max Planck Institute for Heart and Lung Research, Ludwigstrasse 43, 61231, Bad Nauheim, Germany
| | - Xiaojing Liu
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC, 27710, USA
| | - Ana M Romão
- Department of Cardiac Development and Remodelling, Max Planck Institute for Heart and Lung Research, Ludwigstrasse 43, 61231, Bad Nauheim, Germany
| | | | - Jason K H Lai
- Department of Developmental Genetics, Max Planck Institute for Heart and Lung Research, Ludwigstrasse 43, 61231, Bad Nauheim, Germany
- Mechanobiology Institute, National University of Singapore, Singapore, 117411, Singapore
| | - Stefan Günther
- ECCPS Bioinformatics and Deep Sequencing Platform, Max Planck Institute for Heart and Lung Research, Ludwigstrasse 43, 61231, Bad Nauheim, Germany
| | - Sylvia Jeratsch
- Biomolecular Mass Spectrometry, Max Planck Institute for Heart and Lung Research, Ludwigstrasse 43, 61231, Bad Nauheim, Germany
| | - Carsten Kuenne
- ECCPS Bioinformatics and Deep Sequencing Platform, Max Planck Institute for Heart and Lung Research, Ludwigstrasse 43, 61231, Bad Nauheim, Germany
| | - I-Ching Lee
- Department of Developmental Genetics, Max Planck Institute for Heart and Lung Research, Ludwigstrasse 43, 61231, Bad Nauheim, Germany
| | - Thomas Braun
- Department of Cardiac Development and Remodelling, Max Planck Institute for Heart and Lung Research, Ludwigstrasse 43, 61231, Bad Nauheim, Germany
| | - Massimo M Santoro
- Department of Biology, University of Padua, Viale Giuseppe Colombo 3, 10141, Padua, Italy
| | - Jason W Locasale
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC, 27710, USA
| | - Michael Potente
- Angiogenesis & Metabolism Laboratory, Max Planck Institute for Heart and Lung Research, Ludwigstrasse 43, 61231, Bad Nauheim, Germany
| | - Didier Y R Stainier
- Department of Developmental Genetics, Max Planck Institute for Heart and Lung Research, Ludwigstrasse 43, 61231, Bad Nauheim, Germany
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48
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Marbaniang C, Kma L. Dysregulation of Glucose Metabolism by Oncogenes and Tumor Suppressors in Cancer Cells. Asian Pac J Cancer Prev 2018; 19:2377-2390. [PMID: 30255690 PMCID: PMC6249467 DOI: 10.22034/apjcp.2018.19.9.2377] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Accepted: 08/20/2018] [Indexed: 02/07/2023] Open
Abstract
Cancers are complex diseases having several unique features, commonly described as ‘hallmarks of cancer’. Among them, altered signaling pathways are the common characteristic features that drive cancer progression; this is achieved due to mutations that lead to the activation of growth promoting(s) oncogenes and inactivation of tumor suppressors. As a result of which, cancer cells increase their glycolytic rate by consuming a large amount of glucose, and convert a majority of glucose to lactate even in the presence of oxygen known as the “Warburg effect”. Tumor cells like other cells are strictly dependent on energy for growth and survival; therefore, understanding energy metabolism will give us an idea to develop new effective anti-cancer therapies that target cancer energy production pathways. This review summarizes the roles of tumor suppressors and oncogenes and their products that provide metabolic advantages to cancer cells which in turn leads to the establishment of the “Warburg effect” and ultimately leads to cancer progression. Understanding cancer cell’s vulnerability will provide potential targets for its control.
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Affiliation(s)
- Casterland Marbaniang
- Department of Biochemistry, Cancer and Radiation Countermeasures Unit,North-Eastern Hill University, Shillong, Meghalaya, India.
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49
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Liu J, Zeng J, Wang X, Zheng M, Luan Q. P53 mediates lipopolysaccharide‐induced inflammation in human gingival fibroblasts. J Periodontol 2018; 89:1142-1151. [PMID: 29964297 DOI: 10.1002/jper.18-0026] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Revised: 03/28/2018] [Accepted: 04/30/2018] [Indexed: 12/11/2022]
Affiliation(s)
- Jia Liu
- Department of PeriodontologyPeking University School and Hospital of Stomatology Beijing P.R. China
| | - Jiajun Zeng
- Department of PeriodontologyPeking University School and Hospital of Stomatology Beijing P.R. China
| | - Xiaoxuan Wang
- Department of PeriodontologyPeking University School and Hospital of Stomatology Beijing P.R. China
| | - Ming Zheng
- Department of Physiology and PathophysiologyPeking University Health Science Center Beijing P.R. China
| | - Qingxian Luan
- Department of PeriodontologyPeking University School and Hospital of Stomatology Beijing P.R. China
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50
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Antonia RJ, Baldwin AS. IKK promotes cytokine-induced and cancer-associated AMPK activity and attenuates phenformin-induced cell death in LKB1-deficient cells. Sci Signal 2018; 11:11/538/eaan5850. [PMID: 29991651 DOI: 10.1126/scisignal.aan5850] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The 5' AMP-activated protein kinase (AMPK) is an energy sensor that is activated upon phosphorylation of Thr172 in its activation loop by the kinase LKB1, CAMKK2, or TAK1. TAK1-dependent AMPK phosphorylation of Thr172 is less well characterized than phosphorylation of this site by LKB1 or CAMKK2. An important target of TAK1 is IκB kinase (IKK), which controls the activation of the transcription factor NF-κB. We tested the hypothesis that IKK acted downstream of TAK1 to activate AMPK by phosphorylating Thr172 IKK was required for the phosphorylation of Thr172 in AMPK in response to treatment with the inflammatory cytokine IL-1β or TNF-α or upon TAK1 overexpression. In addition, IKK regulated basal AMPK Thr172 phosphorylation in several cancer cell types independently of TAK1, indicating that other modes of IKK activation could stimulate AMPK. We found that IKK directly phosphorylated AMPK at Thr172 independently of the tumor suppressor LKB1 or energy stress. Accordingly, in LKB1-deficient cells, IKK inhibition reduced AMPK Thr172 phosphorylation in response to the mitochondrial inhibitor phenformin. This response led to enhanced apoptosis and suggests that IKK inhibition in combination with phenformin could be used clinically to treat patients with LKB1-deficient cancers.
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Affiliation(s)
- Ricardo J Antonia
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.,Curriculum in Genetics and Molecular Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Albert S Baldwin
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA. .,Curriculum in Genetics and Molecular Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
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