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Xi Y, Zhang XL, Luo QX, Gan HN, Liu YS, Shao SH, Mao XH. Helicobacter pylori regulates stomach diseases by activating cell pathways and DNA methylation of host cells. Front Cell Dev Biol 2023; 11:1187638. [PMID: 37215092 PMCID: PMC10192871 DOI: 10.3389/fcell.2023.1187638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 04/25/2023] [Indexed: 05/24/2023] Open
Abstract
One of the most prevalent malignant tumors of the digestive tract is gastric cancer (GC). Age, high salt intake, Helicobacter pylori (H. pylori) infection, and a diet deficient in fruits and vegetables are risk factors for the illness. A significant risk factor for gastric cancer is infection with H. pylori. Infecting gastric epithelial cells with virulence agents secreted by H. pylori can cause methylation of tumor genes or carcinogenic signaling pathways to be activated. Regulate downstream genes' aberrant expression, albeit the precise mechanism by which this happens is unclear. Oncogene, oncosuppressor, and other gene modifications, as well as a number of different gene change types, are all directly associated to the carcinogenesis of gastric cancer. In this review, we describe comprehensive H. pylori and its virulence factors, as well as the activation of the NF-κB, MAPK, JAK/STAT signaling pathways, and DNA methylation following infection with host cells via virulence factors, resulting in abnormal gene expression. As a result, host-related proteins are regulated, and gastric cancer progression is influenced. This review provides insight into the H. pylori infection, summarizes a series of relevant papers, discusses the complex signaling pathways underlying molecular mechanisms, and proposes new approach to immunotherapy of this important disease.
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Affiliation(s)
- Yue Xi
- School of Medicine, Jiangsu University, Zhenjiang, China
| | - Xiao-Li Zhang
- Department of Clinical Laboratory, The Affiliated Yixing Hospital of Jiangsu University, Wuxi, China
| | - Qing-Xin Luo
- School of Medicine, Jiangsu University, Zhenjiang, China
| | - Hai-Ning Gan
- School of Medicine, Jiangsu University, Zhenjiang, China
| | - Yu-Shi Liu
- School of Medicine, Jiangsu University, Zhenjiang, China
| | - Shi-He Shao
- School of Medicine, Jiangsu University, Zhenjiang, China
| | - Xu-Hua Mao
- Department of Clinical Laboratory, The Affiliated Yixing Hospital of Jiangsu University, Wuxi, China
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2
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Martin N, Zhu K, Czarnecka-Herok J, Vernier M, Bernard D. Regulation and role of calcium in cellular senescence. Cell Calcium 2023; 110:102701. [PMID: 36736165 DOI: 10.1016/j.ceca.2023.102701] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 01/23/2023] [Accepted: 01/25/2023] [Indexed: 01/28/2023]
Abstract
Cellular senescence is a state of stable cell proliferation arrest accompanied by a distinct secretory program impacting the senescent cell microenvironment. This phenotype can be induced by many stresses, including telomere shortening, oncogene activation, oxidative or genotoxic stress. Cellular senescence plays a key role in the organism throughout life, with beneficial effects at a young age for instance in embryonic development and wound healing, and deleterious effects during aging and in aging-related diseases. In the last decade calcium and calcium signaling have been established as critical factors in the implementation and regulation of cellular senescence. In this review we will present and discuss the main discoveries in this field, from the observation of an increased intracellular calcium concentration in senescent cells to the identification of calcium-binding proteins, calcium channels (TRP, ITPR, …) and MERCs (mitochondria-endoplasmic reticulum contact sites) as key players in this context.
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Affiliation(s)
- Nadine Martin
- Centre de Recherche en Cancérologie de Lyon, INSERM U1052, CNRS UMR 5286, Centre Léon Bérard, Equipe Labellisée la Ligue Contre le Cancer, Université de Lyon, Lyon, France.
| | - Kexin Zhu
- Centre de Recherche en Cancérologie de Lyon, INSERM U1052, CNRS UMR 5286, Centre Léon Bérard, Equipe Labellisée la Ligue Contre le Cancer, Université de Lyon, Lyon, France
| | - Joanna Czarnecka-Herok
- Centre de Recherche en Cancérologie de Lyon, INSERM U1052, CNRS UMR 5286, Centre Léon Bérard, Equipe Labellisée la Ligue Contre le Cancer, Université de Lyon, Lyon, France
| | - Mathieu Vernier
- Centre de Recherche en Cancérologie de Lyon, INSERM U1052, CNRS UMR 5286, Centre Léon Bérard, Equipe Labellisée la Ligue Contre le Cancer, Université de Lyon, Lyon, France
| | - David Bernard
- Centre de Recherche en Cancérologie de Lyon, INSERM U1052, CNRS UMR 5286, Centre Léon Bérard, Equipe Labellisée la Ligue Contre le Cancer, Université de Lyon, Lyon, France.
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3
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Zhang W, Cui N, Ye J, Yang B, Sun Y, Kuang H. Curcumin's prevention of inflammation-driven early gastric cancer and its molecular mechanism. CHINESE HERBAL MEDICINES 2022; 14:244-253. [PMID: 36117672 PMCID: PMC9476644 DOI: 10.1016/j.chmed.2021.11.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 10/29/2021] [Accepted: 11/27/2021] [Indexed: 02/07/2023] Open
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Zhao H, Hu H, Chen B, Xu W, Zhao J, Huang C, Xing Y, Lv H, Nie C, Wang J, He Y, Wang SQ, Chen XB. Overview on the Role of E-Cadherin in Gastric Cancer: Dysregulation and Clinical Implications. Front Mol Biosci 2021; 8:689139. [PMID: 34422902 PMCID: PMC8371966 DOI: 10.3389/fmolb.2021.689139] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 07/19/2021] [Indexed: 01/04/2023] Open
Abstract
Gastric cancer is the fifth most common cancer and the third most common cause of cancer death all over the world. E-cadherin encoded by human CDH1 gene plays important roles in tumorigenesis as well as in tumor progression, invasion and metastasis. Full-length E-cadhrin tethered on the cell membrane mainly mediates adherens junctions between cells and is involved in maintaining the normal structure of epithelial tissues. After proteolysis, the extracellular fragment of the full-length E-cadhein is released into the extracellular environment and the blood, which is called soluble E-cadherin (sE-cadherin). sE-cadherin promots invasion and metastasis as a paracrine/autocrine signaling molecule in the progression of various types of cancer including gastric cancer. This review mainly summarizes the dysregulation of E-cadherin and the regulatory roles in the progression, invasion, metastasis, and drug-resistance, as well as its clinical applications in diagnosis, prognosis, and therapeutics of gastric cancer.
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Affiliation(s)
- Huichen Zhao
- Department of Medical Oncology, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China
| | - Huihui Hu
- Department of Medical Oncology, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China
| | - Beibei Chen
- Department of Medical Oncology, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China.,State Key Laboratory of Esophageal Cancer Prevention and Treatment, Zhengzhou University, Zhengzhou, China
| | - Weifeng Xu
- Department of Medical Oncology, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China
| | - Jing Zhao
- Department of Medical Oncology, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China
| | - Chen Huang
- Department of Medical Oncology, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China
| | - Yishu Xing
- Department of Medical Oncology, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China
| | - Huifang Lv
- Department of Medical Oncology, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China
| | - Caiyun Nie
- Department of Medical Oncology, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China
| | - Jianzheng Wang
- Department of Medical Oncology, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China
| | - Yunduan He
- Department of Medical Oncology, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China
| | - Sai-Qi Wang
- Department of Medical Oncology, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China.,State Key Laboratory of Esophageal Cancer Prevention and Treatment, Zhengzhou University, Zhengzhou, China
| | - Xiao-Bing Chen
- Department of Medical Oncology, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China.,State Key Laboratory of Esophageal Cancer Prevention and Treatment, Zhengzhou University, Zhengzhou, China
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Awad HH, El-Derany MO, Mantawy EM, Michel HE, El-Naa MM, Salah El-Din RA, El-Brairy AI, El-Demerdash E. Comparative study on beneficial effects of vitamins B and D in attenuating doxorubicin induced cardiotoxicity in rats: Emphasis on calcium homeostasis. Biomed Pharmacother 2021; 140:111679. [PMID: 34029952 DOI: 10.1016/j.biopha.2021.111679] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 04/25/2021] [Accepted: 04/27/2021] [Indexed: 12/13/2022] Open
Abstract
The use of doxorubicin (DOX) to treat various tumors is limited by its cardiotoxicity. This study aimed to investigate and compare the cardioprotective effects of nicotinamide (NAM) and alfacalcidol (1α(OH)D3), against DOX-induced cardiotoxicity. Sprague Dawley male rats received DOX (5 mg/kg, i.p.) once/week for four consecutive weeks. Treated groups received either NAM (600 mg/kg, p.o.) for 28 consecutive days or 1α(OH)D3 (0.5 ug/kg, i.p.) once/week for four consecutive weeks. DOX elicited marked cardiac tissue injury manifested by elevated serum cardiotoxicity indices, conduction and histopathological abnormalities. Both NAM and 1α(OH)D3 successfully reversed all these changes. From the mechanistic point of view, DOX provoked intense cytosolic and mitochondrial calcium (Ca2+) overload hence switching on calpain1 (CPN1) and mitochondrial-mediated apoptotic cascades as confirmed by upregulating Bax and caspase-3 while downregulating Bcl-2 expression. DOX also disrupted cardiac bioenergetics as evidenced by adenosine triphosphate (ATP) depletion and a declined ATP/ADP ratio. Moreover, DOX upregulated the Ca2+ sensor; calmodulin kinase II gamma (CaMKII-δ) which further contributed to cardiac damage. Interestingly, co-treatment with either NAM or 1α(OH)D3 reversed all DOX associated abnormalities by preserving Ca2+ homeostasis, replenishing ATP stores and obstructing apoptotic events. Additionally, DOX prompted nuclear factor kappa B (NF-κB) dependent inflammatory responses and subsequently upregulated interleukin-6 (IL-6) expression. Co-treatment with NAM or 1α(OH)D3 effectively obstructed these inflammatory signals. Remarkably, NAM showed superior beneficial cardioprotective properties over 1α(OH)D3. Both NAM and 1α(OH)D3 efficiently attenuated DOX-cardiomyopathy mainly via preserving Ca2+ homeostasis and diminishing apoptotic and inflammatory pathways. NAM definitely exhibited effective cardioprotective capabilities over 1α(OH)D3.
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Affiliation(s)
- Heba H Awad
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, October University for Modern Sciences & Arts (MSA University), Cairo, Egypt
| | - Marwa O El-Derany
- Department of Biochemistry, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Eman M Mantawy
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Haidy E Michel
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Mona M El-Naa
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, University of Sadat City, Sadat City, Egypt
| | | | - Amany I El-Brairy
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, October University for Modern Sciences & Arts (MSA University), Cairo, Egypt
| | - Ebtehal El-Demerdash
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt.
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6
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Sokolova O, Naumann M. Manifold role of ubiquitin in Helicobacter pylori infection and gastric cancer. Cell Mol Life Sci 2021; 78:4765-4783. [PMID: 33825941 PMCID: PMC8195768 DOI: 10.1007/s00018-021-03816-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 02/22/2021] [Accepted: 03/18/2021] [Indexed: 02/07/2023]
Abstract
Infection with H. pylori induces a strong host cellular response represented by induction of a set of molecular signaling pathways, expression of proinflammatory cytokines and changes in proliferation. Chronic infection and inflammation accompanied by secretory dysfunction can result in the development of gastric metaplasia and gastric cancer. Currently, it has been determined that the regulation of many cellular processes involves ubiquitinylation of molecular effectors. The binding of ubiquitin allows the substrate to undergo a change in function, to interact within multimolecular signaling complexes and/or to be degraded. Dysregulation of the ubiquitinylation machinery contributes to several pathologies, including cancer. It is not understood in detail how H. pylori impacts the ubiquitinylation of host substrate proteins. The aim of this review is to summarize the existing literature in this field, with an emphasis on the role of E3 ubiquitin ligases in host cell homeodynamics, gastric pathophysiology and gastric cancer.
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Affiliation(s)
- Olga Sokolova
- Medical Faculty, Otto Von Guericke University, Institute of Experimental Internal Medicine, 39120 Magdeburg, Germany
| | - Michael Naumann
- Medical Faculty, Otto Von Guericke University, Institute of Experimental Internal Medicine, 39120 Magdeburg, Germany
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7
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Wang S, Chen Z, Zhu S, Lu H, Peng D, Soutto M, Naz H, Peek R, Xu H, Zaika A, Xu Z, El-Rifai W. PRDX2 protects against oxidative stress induced by H. pylori and promotes resistance to cisplatin in gastric cancer. Redox Biol 2019; 28:101319. [PMID: 31536951 PMCID: PMC6811995 DOI: 10.1016/j.redox.2019.101319] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 08/30/2019] [Accepted: 09/03/2019] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Helicobacter pylori (H. pylori) infection is the main risk factor for gastric cancer. The role of antioxidant enzyme peroxiredoxin 2 (PRDX2) in gastric tumorigenesis remains unknown. In vitro (AGS and SNU-1 cell lines) and in vivo mouse models were utilized to investigate the role of PRDX2 in response to H. pylori infection (7.13, J166 or PMSS1 strain). We detected high levels of PRDX2 expression in gastric cancer tissues. Gastric cancer patients with high expression levels of PRDX2 had significantly worse overall and progression-free survival than those with low levels. H. pylori infection induced activation of NF-κB with increased expression of PRDX2, in in vitro and in vivo models. The knockdown of PRDX2 led to an increase in the levels of reactive oxygen species (ROS), oxidative DNA damage, and double-strand DNA breaks, in response to H. pylori infection, as measured by H2DCFDA, 8-oxoguanine, and p-H2AXγ assays. Luciferase reporter and ChIP assays confirmed the presence of a putative binding site of NF-κB-p65 on PRDX2 promoter region. The inhibition of PRDX2 significantly sensitized AGS and SNU-1 cells to cisplatin treatment. Our data suggest that the future development of therapeutic approaches targeting PRDX2 may be useful in the treatment of gastric cancer.
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Affiliation(s)
- Sen Wang
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210029, China; Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Zheng Chen
- Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Shoumin Zhu
- Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Heng Lu
- Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Dunfa Peng
- Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Mohammed Soutto
- Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Huma Naz
- Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Richard Peek
- Division of Gastroenterology, Hepatology, and Nutrition, Department of Medicine, Vanderbilt University Medical Center, Nashville, 37232, TN, USA
| | - Hao Xu
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210029, China
| | - Alexander Zaika
- Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, 33136, USA; Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Zekuan Xu
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210029, China; Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Jiangsu Collaborative Innovation Center for Cancer Personalized Medicine, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, 211166, China.
| | - Wael El-Rifai
- Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, 33136, USA; Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, FL, 33136, USA; Department of Veterans Affairs, Miami Healthcare System, Miami, Florida, USA.
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8
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Ebrahimi F, Sadr SS, Roghani M, Khamse S, Mohammadian Haftcheshmeh S, Navid Hamidi M, Mohseni-Moghaddam P, Zamani E. Assessment of the protective effect of KN-93 drug in systemic epilepsy disorders induced by pilocarpine in male rat. J Cell Biochem 2019; 120:15906-15914. [PMID: 31074121 DOI: 10.1002/jcb.28864] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 02/05/2019] [Accepted: 02/14/2019] [Indexed: 01/02/2023]
Abstract
BACKGROUND AND AIMS Epileptic seizures occur as a consequence of a sudden imbalance between the stimuli and inhibitors within the network of cortical neurons in favor of the stimulus. One of the drugs that induce epilepsy is pilocarpine. Systemic injection of pilocarpine affects on muscarinic receptors. Increasing evidence has addressed the implication of KN-93 by blocking Ca2+ /calmodulin-dependent protein kinase II (CaMKII), suppressing oxidative stress and inflammation, and also reducing neuron decay. So, we aimed to evaluate the potential preventive effects of KN-93 in systemic epilepsy disorders induced by pilocarpine. MATERIALS AND METHODS In this animal study, male rats were divided into five groups including treatment group (KN-93 with the dose of 5 mM/10 µL dimethyl sulfoxide (DMSO) before inducing epilepsy by 380 mg/kg pilocarpine) KN-93 group (received 5 mM KN-93), control group, epilepsy group (received 380 mg/kg pilocarpine Intraperitoneal), and sham group (received 10 µL DMSO). Oxidative stress was assessed by measuring its indicators including the concentration of malondialdehyde (MDA), nitrite, glutathione (GSH), as well as the antioxidant activity of catalase. In addition, serum levels of proinflammatory mediators including tumor necrosis factor-α (TNF-α) and interleukin-1β (IL-1β) were determined. RESULTS Pretreatment with KN-93 significantly reduced oxidative stress index by reducing the concentration of MDA, nitrite, and increasing the level of GSH. In addition, low concentrations of TNF-α and IL-1β were observed in hippocampus supernatant of KN-93 pretreated rats in comparison with the pilocarpine groups. Moreover, administration of KN-93 improved neuronal density and attenuated the seizure activity and behavior. CONCLUSIONS Overall, our findings suggest that KN-93 can effectively suppress oxidative stress and inflammation. Furthermore, KN-93 is able to attenuate seizure behaviors by preventing its effects on neuron loss, so, it is valuable for the treatment of epileptic seizures.
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Affiliation(s)
- Fatemeh Ebrahimi
- Electrophysiology Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran.,Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Seyed Shahabeddin Sadr
- Electrophysiology Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran.,Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mehrdad Roghani
- Department of Physiology, School of Medicine, Shahed University and Medicinal Plant Research Center, Tehran, Iran
| | - Safoura Khamse
- Electrophysiology Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran.,Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Saeed Mohammadian Haftcheshmeh
- Department of Medical Immunology, Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mojdeh Navid Hamidi
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Elham Zamani
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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Martin N, Bernard D. Calcium signaling and cellular senescence. Cell Calcium 2017; 70:16-23. [PMID: 28410770 DOI: 10.1016/j.ceca.2017.04.001] [Citation(s) in RCA: 77] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Revised: 04/03/2017] [Accepted: 04/03/2017] [Indexed: 12/19/2022]
Abstract
Cellular senescence is a stable cell proliferation arrest induced by a variety of stresses including telomere shortening, oncogene activation and oxidative stress. This process plays a crucial role in many physiopathological contexts, especially during aging when cellular senescence favors development of age-related diseases, shortening lifespan. However, the molecular and cellular mechanisms controlling senescence are still a matter of active research. In the last decade, there has been emerging literature indicating a key involvement of calcium signaling in cellular senescence. In this review we will initially give an account of the direct evidence linking calcium and the regulation of senescence. We will then review our current knowledge on the role of calcium in some senescence-associated features and physiopathological conditions, which will shed light on additional ways in which calcium signaling is implicated in cellular senescence.
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Affiliation(s)
- Nadine Martin
- Inserm U1052, Centre de Recherche en Cancérologie de Lyon, F-69373 Lyon, France; CNRS UMR 5286, F-69373 Lyon, France; Centre Léon Bérard, F-69373 Lyon, France; Université de Lyon, F-69373 Lyon, France
| | - David Bernard
- Inserm U1052, Centre de Recherche en Cancérologie de Lyon, F-69373 Lyon, France; CNRS UMR 5286, F-69373 Lyon, France; Centre Léon Bérard, F-69373 Lyon, France; Université de Lyon, F-69373 Lyon, France.
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10
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Sokolova O, Naumann M. NF-κB Signaling in Gastric Cancer. Toxins (Basel) 2017; 9:toxins9040119. [PMID: 28350359 PMCID: PMC5408193 DOI: 10.3390/toxins9040119] [Citation(s) in RCA: 147] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Revised: 03/14/2017] [Accepted: 03/22/2017] [Indexed: 02/06/2023] Open
Abstract
Gastric cancer is a leading cause of cancer death worldwide. Diet, obesity, smoking and chronic infections, especially with Helicobacter pylori, contribute to stomach cancer development. H. pylori possesses a variety of virulence factors including encoded factors from the cytotoxin-associated gene pathogenicity island (cagPAI) or vacuolating cytotoxin A (VacA). Most of the cagPAI-encoded products form a type 4 secretion system (T4SS), a pilus-like macromolecular transporter, which translocates CagA into the cytoplasm of the host cell. Only H. pylori strains carrying the cagPAI induce the transcription factor NF-κB, but CagA and VacA are dispensable for direct NF-κB activation. NF-κB-driven gene products include cytokines/chemokines, growth factors, anti-apoptotic factors, angiogenesis regulators and metalloproteinases. Many of the genes transcribed by NF-κB promote gastric carcinogenesis. Since it has been shown that chemotherapy-caused cellular stress could elicit activation of the survival factor NF-κB, which leads to acquisition of chemoresistance, the NF-κB system is recommended for therapeutic targeting. Research is motivated for further search of predisposing conditions, diagnostic markers and efficient drugs to improve significantly the overall survival of patients. In this review, we provide an overview about mechanisms and consequences of NF-κB activation in gastric mucosa in order to understand the role of NF-κB in gastric carcinogenesis.
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Affiliation(s)
- Olga Sokolova
- Institute of Experimental Internal Medicine, Otto von Guericke University Magdeburg, Magdeburg 39120, Germany.
| | - Michael Naumann
- Institute of Experimental Internal Medicine, Otto von Guericke University Magdeburg, Magdeburg 39120, Germany.
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Gu SX, Blokhin IO, Wilson KM, Dhanesha N, Doddapattar P, Grumbach IM, Chauhan AK, Lentz SR. Protein methionine oxidation augments reperfusion injury in acute ischemic stroke. JCI Insight 2016; 1:e86460. [PMID: 27294204 PMCID: PMC4902298 DOI: 10.1172/jci.insight.86460] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Accepted: 04/19/2016] [Indexed: 12/20/2022] Open
Abstract
Reperfusion injury can exacerbate tissue damage in ischemic stroke, but little is known about the mechanisms linking ROS to stroke severity. Here, we tested the hypothesis that protein methionine oxidation potentiates NF-κB activation and contributes to cerebral ischemia/reperfusion injury. We found that overexpression of methionine sulfoxide reductase A (MsrA), an antioxidant enzyme that reverses protein methionine oxidation, attenuated ROS-augmented NF-κB activation in endothelial cells, in part, by protecting against the oxidation of methionine residues in the regulatory domain of calcium/calmodulin-dependent protein kinase II (CaMKII). In a murine model, MsrA deficiency resulted in increased NF-κB activation and neutrophil infiltration, larger infarct volumes, and more severe neurological impairment after transient cerebral ischemia/reperfusion injury. This phenotype was prevented by inhibition of NF-κB or CaMKII. MsrA-deficient mice also exhibited enhanced leukocyte rolling and upregulation of E-selectin, an endothelial NF-κB-dependent adhesion molecule known to contribute to neurovascular inflammation in ischemic stroke. Finally, bone marrow transplantation experiments demonstrated that the neuroprotective effect was mediated by MsrA expressed in nonhematopoietic cells. These findings suggest that protein methionine oxidation in nonmyeloid cells is a key mechanism of postischemic oxidative injury mediated by NF-κB activation, leading to neutrophil recruitment and neurovascular inflammation in acute ischemic stroke.
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12
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In silico target fishing and pharmacological profiling for the isoquinoline alkaloids of Macleaya cordata (Bo Luo Hui). Chin Med 2015; 10:37. [PMID: 26691584 PMCID: PMC4683977 DOI: 10.1186/s13020-015-0067-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2014] [Accepted: 11/10/2015] [Indexed: 01/01/2023] Open
Abstract
Background Some isoquinoline alkaloids from Macleaya cordata (Willd). R. Br. (Bo Luo Hui) exhibited antibacterial, antiparasitic, antitumor, and analgesic effects. The targets of these isoquinoline alkaloids are undefined. This study aims to investigate the compound–target interaction network and potential pharmacological actions of isoquinoline alkaloids of M. cordata by reverse pharmacophore database screening. Methods The targets of 26 isoquinoline alkaloids identified from M. cordata were predicted by a pharmacophore-based target fishing approach. Discovery Studio 3.5 and two pharmacophore databases (PharmaDB and HypoDB) were employed for the target profiling. A compound–target interaction network of M. cordata was constructed and analyzed by Cytoscape 3.0. Results Thirteen of the 65 predicted targets identified by PharmaDB were confirmed as targets by HypoDB screening. The targets in the interaction network of M. cordata were involved in cancer (31 targets), microorganisms (12 targets), neurodegeneration (10 targets), inflammation and autoimmunity (8 targets), parasitosis (5 targets), injury (4 targets), and pain (3 targets). Dihydrochelerythrine (C6) was found to hit 23 fitting targets. Macrophage migration inhibitory factor (MIF) hits 15 alkaloids (C1–2, C11–16, C19–25) was the most promising target related to cancer. Conclusion Through in silico target fishing, the anticancer, anti-inflammatory, and analgesic effects of M. cordata were the most significant among many possible activities. The possible anticancer effects were mainly contributed by the isoquinoline alkaloids as active components.
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Verstrepen L, Beyaert R. Receptor proximal kinases in NF-κB signaling as potential therapeutic targets in cancer and inflammation. Biochem Pharmacol 2014; 92:519-29. [PMID: 25449604 DOI: 10.1016/j.bcp.2014.10.017] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2014] [Revised: 10/30/2014] [Accepted: 10/30/2014] [Indexed: 01/12/2023]
Abstract
Many signaling pathways leading to activation of transcription factors and gene expression are characterized by phosphorylation events mediated by specific kinases. The transcription factor NF-κB plays a key role in multiple cellular processes, including immune signaling, inflammation, development, proliferation and survival. Dysregulated NF-κB activation is associated with autoimmunity, chronic inflammation and cancer. Activation of NF-κB requires IκB kinase (IKK)α or β, the activity of which is regulated via phosphorylation by specific IKK kinases and by autophosphorylation. Receptor specificity is further obtained by the use of multiple upstream receptor proximal kinases. We review the identities of several IKK regulatory kinases as well as the proposed molecular mechanisms. In addition, we discuss the potential for therapeutic targeting of some of these kinases in the context of inflammatory diseases and cancer.
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Affiliation(s)
- Lynn Verstrepen
- Inflammation Research Center, Unit of Molecular Signal Transduction in Inflammation, VIB, Ghent, Belgium; Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium
| | - Rudi Beyaert
- Inflammation Research Center, Unit of Molecular Signal Transduction in Inflammation, VIB, Ghent, Belgium; Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium.
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MEKK3 and TAK1 synergize to activate IKK complex in Helicobacter pylori infection. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2014; 1843:715-24. [PMID: 24418622 DOI: 10.1016/j.bbamcr.2014.01.006] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2013] [Revised: 01/03/2014] [Accepted: 01/05/2014] [Indexed: 02/07/2023]
Abstract
Helicobacter pylori colonises the gastric epithelial cells of half of the world's population and represents a risk factor for gastric adenocarcinoma. In gastric epithelial cells H. pylori induces the immediate early response transcription factor nuclear factor of kappa light polypeptide gene enhancer in B-cells (NF-κB) and the innate immune response. We show that H. pylori induces in a type IV secretion system-dependent (T4SS) and cytotoxin associated gene A protein (CagA)-independent manner a transient activation of the inhibitor of NF-κB (IκBα) kinase (IKK)-complex. IKKα and IKKβ expression stabilises the regulatory IKK complex subunit NF-κB essential modulator (NEMO). We provide evidence for an intimate mutual control of the IKK complex by mitogen-activated protein kinase kinase kinase 3 (MEKK3) and transforming growth factor β activated kinase 1 (TAK1). TAK1 interacts transiently with the E3 ubiquitin ligase tumor necrosis factor receptor-associated factor 6 (TRAF6). Protein modifications in the TAK1 molecule, e.g. TAK1 autophosphorylation and K63-linked ubiquitinylation, administer NF-κB signalling including transient recruitment of the IKK-complex. Overall, our data uncover H. pylori-induced interactions and protein modifications of the IKK complex, and its upstream regulatory factors involved in NF-κB activation.
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