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Ke C, Shan S, Tan Y, Cao Y, Xie Z, Shi S, Pan J, Zhang W. Signaling pathways in the treatment of Alzheimer's disease with acupuncture: a narrative review. Acupunct Med 2024; 42:216-230. [PMID: 38859546 DOI: 10.1177/09645284241256669] [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] [Indexed: 06/12/2024]
Abstract
BACKGROUND To date, there is no effective treatment for Alzheimer's disease (AD), a progressive neurodegenerative disorder that is increasing in prevalence worldwide. The objective of this review was to summarize the core targets and signaling pathways involved in acupuncture treatment for AD. METHODS We reviewed numerous signaling pathways, including mammalian target of rapamycin (mTOR), phosphatidylinositol 3-kinase-protein kinase B (PI3 K/Akt), adenosine monophosphate-activated protein kinase (AMPK), mitogen-activated protein kinase (MAPK), nuclear factor (NF)-kB, p53, Wnt, nitric oxide (NO), Janus kinase / signal transducer and activator of transcription (JAK/ STAT), RhoA/ROCK (Rho-associated protein kinase) and Ca2+/ calmodulin-dependent protein kinase II (CaMKII) / cyclic adenosine monophosphate-response element-binding protein (CREB). The relevant data were obtained from PubMed, EMBASE, Web of Science, China National Knowledge Infrastructure (CNKI) and Wanfang databases. RESULTS In summary, the effects of acupuncture are mediated by multiple targets and pathways. Furthermore, acupuncture can improve pathological changes associated with AD (such as abnormal deposition of amyloid (A)β, tau hyperphosphorylation, synaptic dysfunction and neuronal apoptosis) through multiple signaling pathways. CONCLUSION Overall, our findings provide a basis for future research into the effects of acupuncture on AD.
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Affiliation(s)
- Chao Ke
- The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Shengtao Shan
- The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Yan Tan
- The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Yang Cao
- The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Zhengrong Xie
- The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Senjie Shi
- The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Jiang Pan
- The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Wei Zhang
- The First Hospital of Hunan University of Chinese Medicine, Changsha, China
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2
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Sarkar B, Rana N, Singh C, Singh A. Medicinal herbal remedies in neurodegenerative diseases: an update on antioxidant potential. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024; 397:5483-5511. [PMID: 38472370 DOI: 10.1007/s00210-024-03027-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 02/23/2024] [Indexed: 03/14/2024]
Abstract
It has been widely documented that medicinal herbal remedies are effective, have fewer side effects than conventional medicine, and have a synergistic effect on health collaborations in the fight against complicated diseases. Traditional treatments for neurological problems in ancient times sometimes involved the use of herbal remedies and conventional methods from East Asian countries including India, Japan, China, and Korea. We collected and reviewed studies on plant-derived neuroprotective drugs and tested them in neurotoxic models. Basic research, preclinical and clinical transgene research can benefit from in silico, in vitro, and in vivo investigations. Research, summaries of the extracts, fractions, and herbal ingredients were compiled from popular scientific databases, which were then examined according to origin and bioactivity. Given the complex and varied causes of neurodegeneration, it may be beneficial to focus on multiple mechanisms of action and a neuroprotection approach. This approach aims to prevent cell death and restore function to damaged neurons, offering promising strategies for preventing and treating neurodegenerative diseases. Neurodegenerative illnesses can potentially be treated with natural compounds that have been identified as neuroprotective agents. To gain deeper insights into the neuropharmacological mechanisms underlying the neuroprotective and therapeutic properties of naturally occurring antioxidant phytochemical compounds in diverse neurodegenerative diseases, this study aims to comprehensively review such compounds, focusing on their modulation of apoptotic markers such as caspase, Bax, Bcl-2, and proinflammatory markers. In addition, we delve into a range of efficacies of antioxidant phytochemical compounds as neuroprotective agents in animal models. They reduce the oxidative stress of the brain and have been shown to have anti-apoptotic effects. Many researches have demonstrated that plant extracts or bioactive compounds can fight neurodegenerative disorders. Herbal medications may offer neurodegenerative disease patients' new treatments. This may be a cheaper and more culturally appropriate alternative to standard drugs for millions of people with age-related NDDs.
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Affiliation(s)
- Biplob Sarkar
- Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab, affiliated to IK Gujral Punjab Technical University, Jalandhar, 144603, Punjab, India
| | - Nitasha Rana
- Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab, affiliated to IK Gujral Punjab Technical University, Jalandhar, 144603, Punjab, India
| | - Charan Singh
- Department of Pharmaceutical Sciences, HNB Garhwal University (A Central University), Chauras Campus, Distt. Tehri Garhwal, Srinagar, 249161, Uttarakhand, India
| | - Arti Singh
- Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab, affiliated to IK Gujral Punjab Technical University, Jalandhar, 144603, Punjab, India.
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Chen YR, Lien HM, Tsai FJ, Liao JW, Chen YT. The Gastroprotective Effects of Anisomeles indica against Ethanol-Induced Gastric Ulcer through the Induction of IκB-α and the Inhibition of NF-κB Expression. Nutrients 2024; 16:2297. [PMID: 39064740 PMCID: PMC11279643 DOI: 10.3390/nu16142297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2024] [Revised: 07/08/2024] [Accepted: 07/15/2024] [Indexed: 07/28/2024] Open
Abstract
Anisomeles indica (L.) Kuntze is a traditional herb with multiple medicinal properties and with potential for preventing or treating various diseases. Acteoside, one of the active ingredients in A. indica, is prepared into commercially available products of A. indica HP813 powder. In this study, the gastroprotective effects of A. indica HP813 powder were evaluated. Wistar rats were treated with A. indica HP813 powder at doses of 0, 207.5, 415, and 830 mg/kg body weight for 28 days. Then, gastric ulcers were induced by the oral administration of 70% ethanol (10 mL/kg body weight) on day 28. The rats were sacrificed at the end of the trial, and stomach tissues were collected. These stomach tissues were then used for macroscopic, microscopic, and immunohistochemical analyses. The results indicated that the area of gastric ulcer was 48.61%, 35.30%, and 27.16% in the ethanol-induced group, 415 mg/kg A. indica HP813 powder group, and 830 mg/kg A. indica HP813 powder group, respectively. In addition, the lesion scores were 2.9, 2.4, and 2.3 in the ethanol-induced group, 415 mg/kg A. indica HP813 powder group, and 830 mg/kg A. indica HP813 powder group, respectively. The immunochemical staining of the gastric tissue revealed that A. indica HP813 powder reduced the expressions of TNF-α and NF-κB proteins in the gastric tissue, which had been induced by ethanol. Finally, A. indica HP813 powder protected the gastric ulcer from ethanol damage through IκB-α induction. The present results demonstrated that A. indica HP813 powder has protective effects against ethanol-induced gastric ulcer.
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Affiliation(s)
- Yu-Ru Chen
- Graduate Institute of Food Safety, College of Agriculture and Natural Resources, National Chung Hsing University, Taichung 402202, Taiwan;
| | - Hsiu-Man Lien
- Research Institute of Biotechnology, Hungkuang University, Taichung 433304, Taiwan;
| | - Fuu-Jen Tsai
- Genetic Center, Department of Medical Research, China Medical University Hospital, Taichung 404328, Taiwan;
- School of Chinese Medicine, China Medical University, Taichung 404328, Taiwan
| | - Jiunn-Wang Liao
- Graduate Institute of Pathobiology Veterinary, National Chung Hsing University, Taichung 402202, Taiwan;
| | - Yng-Tay Chen
- Graduate Institute of Food Safety, College of Agriculture and Natural Resources, National Chung Hsing University, Taichung 402202, Taiwan;
- Department of Food Science and Biotechnology, College of Agriculture and Natural Resources, National Chung Hsing University, Taichung 402202, Taiwan
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing University, Taichung 402202, Taiwan
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4
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Low ZY, Yip AJW, Chan AML, Choo WS. 14-3-3 Family of Proteins: Biological Implications, Molecular Interactions, and Potential Intervention in Cancer, Virus and Neurodegeneration Disorders. J Cell Biochem 2024; 125:e30624. [PMID: 38946063 DOI: 10.1002/jcb.30624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 06/11/2024] [Accepted: 06/17/2024] [Indexed: 07/02/2024]
Abstract
The 14-3-3 family of proteins are highly conserved acidic eukaryotic proteins (25-32 kDa) abundantly present in the body. Through numerous binding partners, the 14-3-3 is responsible for many essential cellular pathways, such as cell cycle regulation and gene transcription control. Hence, its dysregulation has been linked to the onset of critical illnesses such as cancers, neurodegenerative diseases and viral infections. Interestingly, explorative studies have revealed an inverse correlation of 14-3-3 protein in cancer and neurodegenerative diseases, and the direct manipulation of 14-3-3 by virus to enhance infection capacity has dramatically extended its significance. Of these, COVID-19 has been linked to the 14-3-3 proteins by the interference of the SARS-CoV-2 nucleocapsid (N) protein during virion assembly. Given its predisposition towards multiple essential host signalling pathways, it is vital to understand the holistic interactions between the 14-3-3 protein to unravel its potential therapeutic unit in the future. As such, the general structure and properties of the 14-3-3 family of proteins, as well as their known biological functions and implications in cancer, neurodegeneration, and viruses, were covered in this review. Furthermore, the potential therapeutic target of 14-3-3 proteins in the associated diseases was discussed.
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Affiliation(s)
- Zheng Yao Low
- School of Science, Monash University Malaysia, Bandar Sunway, Selangor, Malaysia
| | - Ashley Jia Wen Yip
- School of Science, Monash University Malaysia, Bandar Sunway, Selangor, Malaysia
| | - Alvin Man Lung Chan
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur, Malaysia
| | - Wee Sim Choo
- School of Science, Monash University Malaysia, Bandar Sunway, Selangor, Malaysia
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Li Y, Zhu Q, He R, Du J, Qin X, Li Y, Liang X, Wang J. The NFκB Signaling Pathway Is Involved in the Pathophysiological Process of Preeclampsia. Geburtshilfe Frauenheilkd 2024; 84:334-345. [PMID: 38618576 PMCID: PMC11006561 DOI: 10.1055/a-2273-6318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 02/20/2024] [Indexed: 04/16/2024] Open
Abstract
The high prevalence of preeclampsia (PE) is a major cause of maternal and fetal mortality and affects the long-term prognosis of both mother and baby. Termination of pregnancy is currently the only effective treatment for PE, so there is an urgent need for research into its pathogenesis and the development of new therapeutic approaches. The NFκB family of transcription factors has an essential role in inflammation and innate immunity. In this review, we summarize the role of NFκB in normal and preeclampsia pregnancies, the role of NFκB in existing treatment strategies, and potential NFκB treatment strategies.
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Affiliation(s)
- Yaxi Li
- The First Clinical Medical College of Lanzhou University, Lanzhou, China
| | - Qinying Zhu
- The First Clinical Medical College of Lanzhou University, Lanzhou, China
| | - Ruifen He
- The First Clinical Medical College of Lanzhou University, Lanzhou, China
| | - Junhong Du
- The First Clinical Medical College of Lanzhou University, Lanzhou, China
| | - Xue Qin
- The First Clinical Medical College of Lanzhou University, Lanzhou, China
| | - Yi Li
- The First Clinical Medical College of Lanzhou University, Lanzhou, China
| | - Xiaolei Liang
- Department of Obstetrics and Gynecology, Key Laboratory for Gynecologic Oncology Gansu Province, The First Hospital of Lanzhou University, Lanzhou, China
| | - Jing Wang
- Department of Obstetrics and Gynecology, The First Hospital of Lanzhou University, Lanzhou, China
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Ageeva T, Rizvanov A, Mukhamedshina Y. NF-κB and JAK/STAT Signaling Pathways as Crucial Regulators of Neuroinflammation and Astrocyte Modulation in Spinal Cord Injury. Cells 2024; 13:581. [PMID: 38607020 PMCID: PMC11011519 DOI: 10.3390/cells13070581] [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: 01/29/2024] [Revised: 03/18/2024] [Accepted: 03/26/2024] [Indexed: 04/13/2024] Open
Abstract
Spinal cord injury (SCI) leads to significant functional impairments below the level of the injury, and astrocytes play a crucial role in the pathophysiology of SCI. Astrocytes undergo changes and form a glial scar after SCI, which has traditionally been viewed as a barrier to axonal regeneration and functional recovery. Astrocytes activate intracellular signaling pathways, including nuclear factor κB (NF-κB) and Janus kinase-signal transducers and activators of transcription (JAK/STAT), in response to external stimuli. NF-κB and STAT3 are transcription factors that play a pivotal role in initiating gene expression related to astrogliosis. The JAK/STAT signaling pathway is essential for managing secondary damage and facilitating recovery processes post-SCI: inflammation, glial scar formation, and astrocyte survival. NF-κB activation in astrocytes leads to the production of pro-inflammatory factors by astrocytes. NF-κB and STAT3 signaling pathways are interconnected: NF-κB activation in astrocytes leads to the release of interleukin-6 (IL-6), which interacts with the IL-6 receptor and initiates STAT3 activation. By modulating astrocyte responses, these pathways offer promising avenues for enhancing recovery outcomes, illustrating the crucial need for further investigation into their mechanisms and therapeutic applications in SCI treatment.
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Affiliation(s)
- Tatyana Ageeva
- OpenLab Gene and Cell Technology, Institute of Fundamental Medicine and Biology, Kazan Federal University, 420008 Kazan, Russia; (A.R.)
| | - Albert Rizvanov
- OpenLab Gene and Cell Technology, Institute of Fundamental Medicine and Biology, Kazan Federal University, 420008 Kazan, Russia; (A.R.)
- Division of Medical and Biological Sciences, Tatarstan Academy of Sciences, 420111 Kazan, Russia
| | - Yana Mukhamedshina
- OpenLab Gene and Cell Technology, Institute of Fundamental Medicine and Biology, Kazan Federal University, 420008 Kazan, Russia; (A.R.)
- Department of Histology, Cytology and Embryology, Kazan State Medical University, 420012 Kazan, Russia
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7
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Al Jadani JM, Albadr NA, Alshammari GM, Almasri SA, Alfayez FF, Yahya MA. Esculeogenin A, a Glycan from Tomato, Alleviates Nonalcoholic Fatty Liver Disease in Rats through Hypolipidemic, Antioxidant, and Anti-Inflammatory Effects. Nutrients 2023; 15:4755. [PMID: 38004149 PMCID: PMC10675668 DOI: 10.3390/nu15224755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 11/09/2023] [Accepted: 11/10/2023] [Indexed: 11/26/2023] Open
Abstract
This study examined the preventative effects of esculeogenin A (ESGA), a newly discovered glycan from tomato, on liver damage and hepatic steatosis in high-fat-diet (HFD)-fed male rats. The animals were divided into six groups (each of eight rats): a control group fed a normal diet, control + ESGA (200 mg/kg), HFD, and HFD + ESAG in 3 doses (50, 100, and 200 mg/kg). Feeding and treatments were conducted for 12 weeks. Treatment with ESGA did not affect gains in the body or fat weight nor increases in fasting glucose, insulin, and HOMA-IR or serum levels of free fatty acids (FFAs), tumor-necrosis factor-α, and interleukin-6 (IL-6). On the contrary, it significantly reduced the serum levels of gamma-glutamyl transpeptidase (GGT), aspartate aminotransferase (AST), alanine aminotransferase (ALT), total triglycerides (TGs), cholesterol (CHOL), and low-density lipoprotein cholesterol (LDL-c) in the HFD-fed rats. In addition, it improved the liver structure, attenuating the increase in fat vacuoles; reduced levels of TGs and CHOL, and the mRNA levels of SREBP1 and acetyl CoA carboxylase (ACC); and upregulated the mRNA levels of proliferator-activated receptor α (PPARα) and carnitine palmitoyltransferase I (CPT I) in HFD-fed rats. These effects were concomitant with increases in the mRNA, cytoplasmic, and nuclear levels of nuclear factor erythroid 2-related factor 2 (Nrf2), glutathione (GSH), superoxide dismutase (SOD), catalase (CAT), and heme oxygenase-1 (HO); a reduction in the nuclear activity of nuclear factor-kappa beta (NF-κB); and inhibition of the activity of nuclear factor kappa B kinase subunit beta (IKKβ). All of these effects were dose-dependent effects in which a normal liver structure and normal levels of all measured parameters were seen in HFD + ESGA (200 mg/kg)-treated rats. In conclusion, ESGA prevents NAFLD in HFD-fed rats by attenuating hyperlipidemia, hepatic steatosis, oxidative stress, and inflammation by acting locally on Nrf2, NF-κB, SREBP1, and PPARα transcription factors.
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Affiliation(s)
- Jwharah M. Al Jadani
- Department of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh 11451, Saudi Arabia; (J.M.A.J.); (G.M.A.); (S.A.A.); (M.A.Y.)
| | - Nawal A. Albadr
- Department of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh 11451, Saudi Arabia; (J.M.A.J.); (G.M.A.); (S.A.A.); (M.A.Y.)
| | - Ghedeir M. Alshammari
- Department of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh 11451, Saudi Arabia; (J.M.A.J.); (G.M.A.); (S.A.A.); (M.A.Y.)
| | - Soheir A. Almasri
- Department of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh 11451, Saudi Arabia; (J.M.A.J.); (G.M.A.); (S.A.A.); (M.A.Y.)
| | - Farah Fayez Alfayez
- Department of Medicine and Surgery, College of Medicine, King Saud University, Riyadh 11451, Saudi Arabia;
| | - Mohammed Abdo Yahya
- Department of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh 11451, Saudi Arabia; (J.M.A.J.); (G.M.A.); (S.A.A.); (M.A.Y.)
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He L, Yu X, Zhao Y, Lin H, Zhang Y, Lu D. TLR5S negatively regulates the TLR5M-mediated NF-κB signaling pathway in Epinephelus coioides. Int J Biol Macromol 2023; 249:126048. [PMID: 37517756 DOI: 10.1016/j.ijbiomac.2023.126048] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 07/14/2023] [Accepted: 07/27/2023] [Indexed: 08/01/2023]
Abstract
Nuclear factor kappa-B (NF-κB) pathway is a key mediator of inflammation response that plays a role in host defense for pathogen elimination, but excessive activation may lead to tissue damage or pathogen transmission. The negative regulation of NF-κB in lower vertebrates is largely unknown, hindering further understanding of immune signaling evolution. Here, we provided evidence that Epinephelus coioides soluble toll-like receptor 5 (TLR5S), a member of the TLR5 subfamily, has been newly identified as a negative regulator of NF-κB signaling. EcTLR5S was a cytoplasmic protein consisting of 17 leucine-rich repeat domains, which specifically responded to Vibrio flagellin and suppressed flagellin-induced NF-κB signaling activation and cytokine expression. The amino-terminal LRR 1-5 region was necessary for its negative regulatory function. Dual-luciferase reporter assay showed that EcTLR5S significantly inhibited the NF-κB-luc activity induced by inhibitor of NF-κB kinase α (IKKα) and IKKβ. Subsequently, the functional relationship between EcTLR5M and EcTLR5S was analyzed, revealing that the negative regulatory function of EcTLR5S targeted the activation of the NF-κB pathway mediated by EcTLR5M. The above results reveal that EcTLR5S negatively regulates the flagellin-induced EcTLR5M-NF-κB pathway activation, which may prevent over-activation of immune signaling and restore homeostasis.
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Affiliation(s)
- Liangge He
- State Key Laboratory of Biocontrol and School of Life Sciences, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Guangdong Provincial Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, Sun Yat-Sen University, Guangzhou 510275, PR China
| | - Xue Yu
- State Key Laboratory of Biocontrol and School of Life Sciences, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Guangdong Provincial Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, Sun Yat-Sen University, Guangzhou 510275, PR China
| | - Yulin Zhao
- State Key Laboratory of Biocontrol and School of Life Sciences, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Guangdong Provincial Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, Sun Yat-Sen University, Guangzhou 510275, PR China
| | - Haoran Lin
- State Key Laboratory of Biocontrol and School of Life Sciences, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Guangdong Provincial Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, Sun Yat-Sen University, Guangzhou 510275, PR China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266235, PR China; College of Ocean, Hainan University, Haikou 570228, PR China
| | - Yong Zhang
- State Key Laboratory of Biocontrol and School of Life Sciences, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Guangdong Provincial Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, Sun Yat-Sen University, Guangzhou 510275, PR China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266235, PR China; Guangdong South China Sea Key Laboratory of Aquaculture for Aquatic Economic Animals, Fisheries College, Guangdong Ocean University, Zhanjiang 524088, PR China
| | - Danqi Lu
- State Key Laboratory of Biocontrol and School of Life Sciences, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Guangdong Provincial Key Laboratory for Aquatic Economic Animals, Guangdong Provincial Engineering Technology Research Center for Healthy Breeding of Important Economic Fish, Sun Yat-Sen University, Guangzhou 510275, PR China.
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Inoue S, Inahashi Y, Itakura M, Inoue G, Muneshige K, Hirose T, Iwatsuki M, Takaso M, Miyagi M, Uchida K. Medermycin Inhibits TNFα-Promoted Inflammatory Reaction in Human Synovial Fibroblasts. Int J Mol Sci 2023; 24:13871. [PMID: 37762174 PMCID: PMC10531480 DOI: 10.3390/ijms241813871] [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: 08/01/2023] [Revised: 09/01/2023] [Accepted: 09/06/2023] [Indexed: 09/29/2023] Open
Abstract
Synovial inflammation plays a crucial role in the destruction of joints and the experience of pain in osteoarthritis (OA). Emerging evidence suggests that certain antibiotic agents and their derivatives possess anti-inflammatory properties. Medermycin (MED) has been identified as a potent antibiotic, specifically active against Gram-positive bacteria. In this study, we aimed to investigate the impact of MED on TNFα-induced inflammatory reactions in a synovial cell line, SW-982, as well as primary human synovial fibroblasts (HSF) using RNA sequencing, rtRT-PCR, ELISA, and western blotting. Through the analysis of differentially expressed genes (DEGs), we identified a total of 1478 significantly upregulated genes in SW-982 cells stimulated with TNFα compared to the vehicle control. Among these upregulated genes, MED treatment led to a reduction in 1167 genes, including those encoding proinflammatory cytokines such as IL1B, IL6, and IL8. Pathway analysis revealed the enrichment of DEGs in the TNF and NFκB signaling pathway, further supporting the involvement of MED in modulating inflammatory responses. Subsequent experiments demonstrated that MED inhibited the expression of IL6 and IL8 at both the mRNA and protein levels in both SW982 cells and HSF. Additionally, MED treatment resulted in a reduction in p65 phosphorylation in both cell types, indicating its inhibitory effect on NFκB activation. Interestingly, MED also inhibited Akt phosphorylation in SW982 cells, but not in HSF. Overall, our findings suggest that MED suppresses TNFα-mediated inflammatory cytokine production and p65 phosphorylation. These results highlight the potential therapeutic value of MED in managing inflammatory conditions in OA. Further investigations utilizing articular chondrocytes and animal models of OA may provide valuable insights into the therapeutic potential of MED for this disease.
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Affiliation(s)
- Sho Inoue
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City 252-0374, Japan; (S.I.); (G.I.); (K.M.); (M.T.); (M.M.)
| | - Yuki Inahashi
- Graduate School of Infection Control Sciences, Kitasato University, 5-9-1 Minato-ku Shirokane, Tokyo 108-8641, Japan; (Y.I.); (T.H.); (M.I.)
- Ōmura Satoshi Memorial Institute, Kitasato University, 5-9-1 Minato-ku Shirokane, Tokyo 108-8641, Japan
| | - Makoto Itakura
- Department of Biochemistry, Kitasato University School of Medicine, 1-15-1 Minami-ku, Kitasato, Sagamihara City 252-0374, Japan;
| | - Gen Inoue
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City 252-0374, Japan; (S.I.); (G.I.); (K.M.); (M.T.); (M.M.)
| | - Kyoko Muneshige
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City 252-0374, Japan; (S.I.); (G.I.); (K.M.); (M.T.); (M.M.)
| | - Tomoyasu Hirose
- Graduate School of Infection Control Sciences, Kitasato University, 5-9-1 Minato-ku Shirokane, Tokyo 108-8641, Japan; (Y.I.); (T.H.); (M.I.)
- Ōmura Satoshi Memorial Institute, Kitasato University, 5-9-1 Minato-ku Shirokane, Tokyo 108-8641, Japan
| | - Masato Iwatsuki
- Graduate School of Infection Control Sciences, Kitasato University, 5-9-1 Minato-ku Shirokane, Tokyo 108-8641, Japan; (Y.I.); (T.H.); (M.I.)
- Ōmura Satoshi Memorial Institute, Kitasato University, 5-9-1 Minato-ku Shirokane, Tokyo 108-8641, Japan
| | - Masashi Takaso
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City 252-0374, Japan; (S.I.); (G.I.); (K.M.); (M.T.); (M.M.)
| | - Masayuki Miyagi
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City 252-0374, Japan; (S.I.); (G.I.); (K.M.); (M.T.); (M.M.)
| | - Kentaro Uchida
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City 252-0374, Japan; (S.I.); (G.I.); (K.M.); (M.T.); (M.M.)
- Shonan University of Medical Sciences Research Institute, Nishikubo 500, Chigasaki 253-0083, Japan
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Moon HR, Yun JM. Neuroprotective Effects of Zerumbone on H 2O 2-Induced Oxidative Injury in Human Neuroblastoma SH-SY5Y Cells. J Med Food 2023; 26:641-653. [PMID: 37566491 DOI: 10.1089/jmf.2023.k.0022] [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] [Indexed: 08/13/2023] Open
Abstract
Oxidative stress is recognized as one of the main reasons for cellular damage and neurodegenerative diseases. Zerumbone is one of the sesquiterpenoid compounds in the essential oil of Zingiber zerumbet Smith. Zerumbone exhibits various physiological activities, such as anticancer, antioxidant, and antibacterial effects. However, studies on the neuroprotective efficacy of zerumbone and the mechanism behind it are lacking. In this study, we explored the neuroprotective efficacy of zerumbone and its mechanism in hydrogen peroxide-treated human neuroblastoma SH-SY5Y cells. H2O2 treatment (400 μM) for 24 h enhanced the generation of intracellular reactive oxygen species (ROS) compared to untreated cells. By contrast, zerumbone treatment significantly suppressed the production of intracellular ROS. Zerumbone significantly inhibited H2O2-induced nitric oxide production and expression of inflammation-related genes. Moreover, zerumbone decreased H2O2-induced mitogen-activated protein kinase (MAPK) protein expression. Various hallmarks of apoptosis in H2O2-treated cells were suppressed in a dose-dependent manner through downregulation of the Bax/Bcl-2 expression ratio by zerumbone. Since activation of AMP-activated kinase (AMPK) is a promising therapeutic target for neurodegenerative diseases, we also investigated the mammalian target of rapamycin (mTOR) as part of the autophagy mechanism in H2O2-treated SH-SY5Y cells. In this study, zerumbone upregulated the expression of Sirtuin 1 (SIRT1) and p-AMPK (which were downregulated by the H2O2 treatment) and downregulated p-mTOR. Altogether, our results propose that inhibition of apoptosis and inflammation by autophagy activation plays an important neuroprotective role in H2O2-treated SH-SY5Y cells. Zerumbone may thus be a potent dietary agent that reduces the onset and progression, as well as prevents neurodegenerative diseases.
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Affiliation(s)
- Ha-Rin Moon
- Department of Food and Nutrition, Chonnam National University, Gwangju, South Korea
| | - Jung-Mi Yun
- Department of Food and Nutrition, Chonnam National University, Gwangju, South Korea
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11
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Starska-Kowarska K. Role of Vitamin D in Head and Neck Cancer-Immune Function, Anti-Tumour Effect, and Its Impact on Patient Prognosis. Nutrients 2023; 15:nu15112592. [PMID: 37299554 DOI: 10.3390/nu15112592] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 05/13/2023] [Accepted: 05/29/2023] [Indexed: 06/12/2023] Open
Abstract
Head and neck squamous cell carcinoma (HNSCC) describes a heterogeneous group of human neoplasms of the head and neck with high rates of morbidity and mortality, constituting about 3% of all cancers and ~1.5% of all cancer deaths. HNSCC constituted the seventh most prevalent human malignancy and the most common human cancer in the world in 2020, according to multi-population observations conducted by the GLOBOCAN group. Since approximately 60-70% of patients present with stage III/IV neoplastic disease, HNSCC is still one of the leading causes of death in cancer patients worldwide, with an overall survival rate that is too low, not exceeding 40-60% of these patients. Despite the application of newer surgical techniques and the implementation of modern combined oncological treatment, the disease often follows a fatal course due to frequent nodal metastases and local neoplastic recurrences. The role of micronutrients in the initiation, development, and progression of HNSCC has been the subject of considerable research. Of particular interest has been vitamin D, the pleiotropic biologically active fat-soluble family of secosteroids (vitamin-D-like steroids), which constitutes a key regulator of bone, calcium, and phosphate homeostasis, as well as carcinogenesis and the further development of various neoplasms. Considerable evidence suggests that vitamin D plays a key role in cellular proliferation, angiogenesis, immunity, and cellular metabolism. A number of basic science, clinical, and epidemiological studies indicate that vitamin D has multidirectional biological effects and influences anti-cancer intracellular mechanisms and cancer risk, and that vitamin D dietary supplements have various prophylactic benefits. In the 20th century, it was reported that vitamin D may play various roles in the protection and regulation of normal cellular phenotypes and in cancer prevention and adjunctive therapy in various human neoplasms, including HNSCC, by regulating a number of intracellular mechanisms, including control of tumour cell expansion and differentiation, apoptosis, intercellular interactions, angio- and lymphogenesis, immune function, and tumour invasion. These regulatory properties mainly occur indirectly via epigenetic and transcriptional changes regulating the function of transcription factors, chromatin modifiers, non-coding RNA (ncRNAs), and microRNAs (miRs) through protein-protein interactions and signalling pathways. In this way, calcitriol enhances intercellular communication in cancer biology, restores the connection with the extracellular matrix, and promotes the epithelial phenotype; it thus counteracts the tumour-associated detachment from the extracellular matrix and inhibits the formation of metastases. Furthermore, the confirmation that the vitamin D receptor (VDR) is present in many human tissues confirmed the physiopathological significance of vitamin D in various human tumours. Recent studies indicate quantitative associations between exposure to vitamin D and the incidence of HNC, i.e., cancer risk assessment included circulating calcidiol plasma/serum concentrations, vitamin D intake, the presence of the VDR gene polymorphism, and genes involved in the vitamin D metabolism pathway. Moreover, the chemopreventive efficacy of vitamin D in precancerous lesions of the head and neck and their role as predictors of mortality, survival, and recurrence of head and neck cancer are also widely discussed. As such, it may be considered a promising potential anti-cancer agent for developing innovative methods of targeted therapy. The proposed review discusses in detail the mechanisms regulating the relationship between vitamin D and HNSCC. It also provides an overview of the current literature, including key opinion-forming systematic reviews as well as epidemiological, prospective, longitudinal, cross-sectional, and interventional studies based on in vitro and animal models of HNSCC, all of which are accessible via the PubMed/Medline/EMBASE/Cochrane Library databases. This article presents the data in line with increasing clinical credibility.
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Affiliation(s)
- Katarzyna Starska-Kowarska
- Department of Physiology, Pathophysiology and Clinical Immunology, Medical University of Lodz, Żeligowskiego 7/9, 90-752 Lodz, Poland
- Department of Clinical Physiology, Medical University of Lodz, Żeligowskiego 7/9, 90-752 Lodz, Poland
- Department of Otorhinolaryngology, EnelMed Center Expert, Lodz, Drewnowska 58, 91-001 Lodz, Poland
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12
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Kumar GG, Kilari EK, Nelli G, Salleh N. Oral administration of Turnera diffusa willd. ex Schult. extract ameliorates steroidogenesis and spermatogenesis impairment in the testes of rats with type-2 diabetes mellitus. JOURNAL OF ETHNOPHARMACOLOGY 2023; 314:116638. [PMID: 37187362 DOI: 10.1016/j.jep.2023.116638] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 05/01/2023] [Accepted: 05/12/2023] [Indexed: 05/17/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Turnera diffusa Willd. ex Schult. (T. diffusa) has traditionally been used to treat male reproductive dysfunction and have aphrodisiac properties. AIMS OF THE STUDY This study aims to investigate the ability of T. diffusa to ameliorate the impairment in testicular steroidogenesis and spermatogenesis in DM that might help to improve testicular function, and subsequently restore male fertility. MATERIALS AND METHODS DM-induced adult male rats were given 100 mg/kg/day and 200 mg/kg/day T. diffusa leaf extract orally for 28 consecutive days. Rats were then sacrificed; sperm and testes were harvested and sperm parameter analysis were performed. Histo-morphological changes in the testes were observed. Biochemical assays were performed to measure testosterone and testicular oxidative stress levels. Immunohistochemistry and double immunofluorescence were used to monitor oxidative stress and inflammation levels in testes as well as Sertoli and steroidogenic marker proteins' expression. RESULTS Treatment with T. diffusa restores sperm count, motility, and viability near normal and reduces sperm morphological abnormalities and sperm DNA fragmentation in diabetic rats. T. diffusa treatment also reduces testicular NOX-2 and lipid peroxidation levels, increases testicular antioxidant enzymes (SOD, CAT, and GPx) activities, ameliorates testicular inflammation via downregulating NF-ΚB, p-Ikkβ and TNF-α and upregulating IκBα expression. In diabetic rats, T. diffusa treatment increases testicular steroidogenic proteins (StAR, CYP11A1, SHBG, and ARA54, 3 and 17β-HSD) and plasma testosterone levels. Furthermore, in diabetic rats treated with T. diffusa, Sertoli cell marker proteins including Connexin 43, N-cadherin, and occludin levels in the testes were elevated. CONCLUSION T. diffusa treatment could help to ameliorate the detrimental effects of DM on the testes, thus this plant has potential to be used to restore male fertility.
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Affiliation(s)
- Gowri Gopa Kumar
- Department of Physiology, Faculty of Medicine, University Malaya, 50603, Kuala Lumpur, Malaysia
| | - Eswar Kumar Kilari
- Pharmacology Division, A.U. College of Pharmaceutical Sciences, Andhra University, Visakhapatnam, Andhra Pradesh, 530 003, India
| | - Giribabu Nelli
- Department of Physiology, Faculty of Medicine, University Malaya, 50603, Kuala Lumpur, Malaysia.
| | - Naguib Salleh
- Department of Physiology, Faculty of Medicine, University Malaya, 50603, Kuala Lumpur, Malaysia.
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13
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Han Y, Zhu Y, Almuntashiri S, Wang X, Somanath PR, Owen CA, Zhang D. Extracellular vesicle-encapsulated CC16 as novel nanotherapeutics for treatment of acute lung injury. Mol Ther 2023; 31:1346-1364. [PMID: 36635966 PMCID: PMC10188639 DOI: 10.1016/j.ymthe.2023.01.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Revised: 12/08/2022] [Accepted: 01/06/2023] [Indexed: 01/13/2023] Open
Abstract
Acute lung injury (ALI) is still associated with high mortality. Growing evidence suggests that Club Cell Protein 16 (CC16) plays a protective role against ALI. However, the doses of recombinant CC16 (rCC16) used in preclinical studies are supraphysiological for clinical applications. Extracellular vesicles (EVs) are nanovesicles endogenously generated by mammalian cells. Our study demonstrated that CC16 is released via small EVs and EV-encapsulated CC16 (sEV-CC16) and has anti-inflammatory activities, which protect mice from lipopolysaccharide (LPS) or bacteria-induced ALI. Additionally, sEV-CC16 can activate the DNA damage repair signaling pathways. Consistent with this activity, we observed more severe DNA damage in lungs from Cc16 knockout (KO) than wild-type (WT) mice. Mechanistically, we elucidated that CC16 suppresses nuclear factor κB (NF-κB) signaling activation by binding to heat shock protein 60 (HSP60). We concluded that sEV-CC16 could be a potential therapeutic agent for ALI by inhibiting the inflammatory and DNA damage responses by reducing NF-κB signaling.
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Affiliation(s)
- Yohan Han
- Clinical and Experimental Therapeutics, College of Pharmacy, University of Georgia and Charlie Norwood VA Medical Center, Augusta, GA 30912, USA
| | - Yin Zhu
- Clinical and Experimental Therapeutics, College of Pharmacy, University of Georgia and Charlie Norwood VA Medical Center, Augusta, GA 30912, USA
| | - Sultan Almuntashiri
- Clinical and Experimental Therapeutics, College of Pharmacy, University of Georgia and Charlie Norwood VA Medical Center, Augusta, GA 30912, USA; Department of Clinical Pharmacy, College of Pharmacy, University of Hail, Hail 55473, Saudi Arabia
| | - Xiaoyun Wang
- Clinical and Experimental Therapeutics, College of Pharmacy, University of Georgia and Charlie Norwood VA Medical Center, Augusta, GA 30912, USA
| | - Payaningal R Somanath
- Clinical and Experimental Therapeutics, College of Pharmacy, University of Georgia and Charlie Norwood VA Medical Center, Augusta, GA 30912, USA; Vascular Biology Center, Augusta University, Augusta, GA 30912, USA; Georgia Cancer Center, Augusta University, Augusta, GA 30912, USA
| | - Caroline A Owen
- Division of Pulmonary and Critical Care Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Duo Zhang
- Clinical and Experimental Therapeutics, College of Pharmacy, University of Georgia and Charlie Norwood VA Medical Center, Augusta, GA 30912, USA; Vascular Biology Center, Augusta University, Augusta, GA 30912, USA.
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14
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Han X, Li Q, Zhang S, Sun L, Liu W, Wang J. Inhibition of NEMO alleviates arthritis by blocking the M1 macrophage polarization. Int Immunopharmacol 2023; 117:109983. [PMID: 37012872 DOI: 10.1016/j.intimp.2023.109983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 01/15/2023] [Accepted: 02/28/2023] [Indexed: 03/12/2023]
Abstract
The nuclear factor-kappa B (NF-κB) signaling pathway and macrophages are critically involved in the pathogenesis of rheumatoid arthritis (RA). Recent studies have identified NF-κB essential modulator (NEMO), a regulatory subunit of the inhibitor of NF-κB kinase (IKK), as a potential target to inhibit NF-κB signaling pathway. Here, we investigated the interactions between NEMO and M1 macrophage polarization in RA. NEMO inhibition led to the suppression of proinflammatory cytokines secreted from M1 macrophages in collagen-induced arthritis mice. From lipopolysaccharide (LPS)-stimulated RAW264, knocking down NEMO blocked M1 macrophage polarization accompanied by lesser M1 proinflammatory subtype. Our findings link the novel regulatory component of NF-κB signaling and human arthritis pathologies which will pave the way towards the identification of new therapeutic targets and the development of innovative preventive strategies.
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15
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Li W, Yang X, Ding M, Shi W, Huang Y, An Q, Qi Z, Zhao Y. Zinc accumulation aggravates cerebral ischemia/reperfusion injury by promoting inflammation. Front Cell Neurosci 2023; 17:1065873. [PMID: 36970418 PMCID: PMC10030816 DOI: 10.3389/fncel.2023.1065873] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 02/15/2023] [Indexed: 03/29/2023] Open
Abstract
Intracellular zinc accumulation has been shown to be associated with neuronal death after cerebral ischemia. However, the mechanism of zinc accumulation leading to neuronal death in ischemia/reperfusion (I/R) is still unclear. Intracellular zinc signals are required for the production of proinflammatory cytokines. The present study investigated whether intracellular accumulated zinc aggravates I/R injury through inflammatory response, and inflammation-mediated neuronal apoptosis. Male Sprague-Dawley rats were treated with vehicle or zinc chelator TPEN 15 mg/kg before a 90-min middle cerebral artery occlusion (MCAO). The expressions of proinflammatory cytokines TNF-α, IL-6, NF-κB p65, and NF-κB inhibitory protein IκB-α, as well as anti-inflammatory cytokine IL-10 were assessed at 6 or 24 h after reperfusion. Our results demonstrated that the expression of TNF-α, IL-6, and NF-κB p65 increased after reperfusion, while the expression of IκB-α and IL-10 decreased, suggesting that cerebral ischemia triggers inflammatory response. Furthermore, TNF-α, NF-κB p65, and IL-10 were all colocalized with the neuron-specific nuclear protein (NeuN), suggesting that the ischemia-induced inflammatory response occurs in neurons. Moreover, TNF-α was also colocalized with the zinc-specific dyes Newport Green (NG), suggesting that intracellular accumulated zinc might be associated with neuronal inflammation following cerebral I/R. Chelating zinc with TPEN reversed the expression of TNF-α, NF-κB p65, IκB-α, IL-6, and IL-10 in ischemic rats. Besides, IL-6-positive cells were colocalized with TUNEL-positive cells in the ischemic penumbra of MCAO rats at 24 h after reperfusion, indicating that zinc accumulation following I/R might induce inflammation and inflammation-associated neuronal apoptosis. Taken together, this study demonstrates that excessive zinc activates inflammation and that the brain injury caused by zinc accumulation is at least partially due to specific neuronal apoptosis induced by inflammation, which may provide an important mechanism of cerebral I/R injury.
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Affiliation(s)
- Wei Li
- Institute of Cerebrovascular Diseases Research, Xuanwu Hospital of Capital Medical University, Beijing, China
- Beijing Geriatric Medical Research Center, Beijing, China
| | - Xueqi Yang
- Institute of Cerebrovascular Diseases Research, Xuanwu Hospital of Capital Medical University, Beijing, China
- Beijing Geriatric Medical Research Center, Beijing, China
| | - Mao Ding
- Institute of Cerebrovascular Diseases Research, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Wenjuan Shi
- Institute of Cerebrovascular Diseases Research, Xuanwu Hospital of Capital Medical University, Beijing, China
- Beijing Geriatric Medical Research Center, Beijing, China
| | - Yuyou Huang
- Institute of Cerebrovascular Diseases Research, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Qi An
- Institute of Cerebrovascular Diseases Research, Xuanwu Hospital of Capital Medical University, Beijing, China
- Beijing Geriatric Medical Research Center, Beijing, China
| | - Zhifeng Qi
- Institute of Cerebrovascular Diseases Research, Xuanwu Hospital of Capital Medical University, Beijing, China
- Beijing Geriatric Medical Research Center, Beijing, China
- *Correspondence: Zhifeng Qi Yongmei Zhao
| | - Yongmei Zhao
- Institute of Cerebrovascular Diseases Research, Xuanwu Hospital of Capital Medical University, Beijing, China
- Beijing Geriatric Medical Research Center, Beijing, China
- *Correspondence: Zhifeng Qi Yongmei Zhao
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16
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Kwak JS, Kim KH. Effect of CRISPR/Cas9-mediated knockout of either IRF-3 or IRF-5 gene in Epithelioma papulosum cyprini cells on type I interferon response and NF-κB activity. FISH & SHELLFISH IMMUNOLOGY 2023; 132:108463. [PMID: 36455778 DOI: 10.1016/j.fsi.2022.108463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 11/15/2022] [Accepted: 11/27/2022] [Indexed: 06/17/2023]
Abstract
Transcription factors related to the activation of type I interferons (IFNs) and nuclear factor-kappa B (NF-κB) are known to be critical in innate immune responses. Interferon regulatory factors (IRFs) are a family of transcription factors. IRF-3 is known to act as the primary regulator in type I IFN signaling in response to viral infections, and the upregulation of IRF5 by virus infection has been reported in various fish species. One of the ways to know the functional role of certain genes is the production of target gene(s) knockout cells or organisms. In the present study, we produced either IRF3 or IRF5 gene knockout Epithelioma papulosum cyprini (EPC) cells using a CRISPR/Cas9 system, and investigated the effect of IRF3 gene and IRF5 gene knockout on polyinosinic:polycytidylic acid (ploly (I:C))-mediated and viral hemorrhagic septicemia virus (VHSV) infection-mediated type I IFN response and NF-κB activation. Both IRF3 knockout and IRF5 knockout EPC cells showed severely decreased type I IFN responses measured by ISRE activity and the expression of Mx1 and ISG15 genes when stimulated with poly (I:C), while the decreased level of type I IFN responses was not high as by poly (I:C) stimulation when infected with VHSV. Different from type I IFN response, NF-κB activities in IRF3 and IRF5 knockout cells were not highly different between poly (I:C) stimulated cells and VHSV-infected cells. Further studies are needed to elucidate pathways responsible for the type I IFN responses and NF-κB activation by VHSV infection.
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Affiliation(s)
- Jun Soung Kwak
- Centre for Integrative Genetics (CIGENE), Faculty of Biosciences, Norwegian University of Life Sciences, Norway
| | - Ki Hong Kim
- Department of Aquatic Life Medicine, Pukyong National University, Busan, 48513, South Korea.
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17
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Muneshige K, Inahashi Y, Itakura M, Iwatsuki M, Hirose T, Inoue G, Takaso M, Sunazuka T, Ohashi Y, Ohta E, Uchida K. Jietacin Derivative Inhibits TNF-α-Mediated Inflammatory Cytokines Production via Suppression of the NF-κB Pathway in Synovial Cells. Pharmaceuticals (Basel) 2022; 16:ph16010005. [PMID: 36678502 PMCID: PMC9862604 DOI: 10.3390/ph16010005] [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: 11/09/2022] [Revised: 12/15/2022] [Accepted: 12/16/2022] [Indexed: 12/24/2022] Open
Abstract
Synovial inflammation plays a central role in joint destruction and pain in osteoarthritis (OA). The NF-κB pathway plays an important role in the inflammatory process and is activated in OA. A previous study reported that a jietacin derivative (JD), (Z)-2-(8-oxodec-9-yn-1-yl)-1-vinyldiazene 1-oxide, suppressed the nuclear translocation of NF-κB in a range of cancer cell lines. However, the effect of JD in synovial cells and the exact mechanism of JD as an NF-κB inhibitor remain to be determined. We investigated the effect of JD on TNF-α-induced inflammatory reaction in a synovial cell line, SW982 and human primary synovial fibroblasts (hPSFs). Additionally, we examined phosphorylated levels of p65 and p38 and expression of importin α3 and β1 using Western blotting. RNA-Seq analysis revealed that JD suppressed TNF-α-induced differential expression: among 204 genes significantly differentially expressed between vehicle and TNF-α-stimulated SW982 (183 upregulated and 21 downregulated) (FC ≥ 2, Q < 0.05), expression of 130 upregulated genes, including inflammatory cytokines (IL1A, IL1B, IL6, IL8) and chemokines (CCL2, CCL3, CCL5, CCL20, CXCL9, 10, 11), was decreased by JD treatment and that of 14 downregulated genes was increased. KEGG pathway analysis showed that DEGs were increased in the cytokine−cytokine receptor interaction, TNF signaling pathway, NF-κB signaling pathway, and rheumatoid arthritis. JD inhibited IL1B, IL6 and IL8 mRNA expression and IL-6 and IL-8 protein production in both SW982 and hPSFs. JD also suppressed p65 phosphorylation in both SW982 and hPSFs. In contrast, JD did not alter p38 phosphorylation. JD may inhibit TNF-α-mediated inflammatory cytokine production via suppression of p65 phosphorylation in both SW982 and hPSFs. Our results suggest that JD may have therapeutic potential for OA due to its anti-inflammatory action through selective suppression of the NF-κB pathway on synovial cells.
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Affiliation(s)
- Kyoko Muneshige
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku, Kitasato, Sagamihara City 252-0374, Japan
| | - Yuki Inahashi
- Graduate School of Infection Control Sciences, Kitasato University, 5-9-1 Minato-ku, Shirokane, Tokyo 108-8641, Japan
- Ōmura Satoshi Memorial Institute, Kitasato University, 5-9-1 Minato-ku, Shirokane, Tokyo 108-8641, Japan
| | - Makoto Itakura
- Department of Biochemistry, Kitasato University School of Medicine, 1-15-1 Minami-ku, Kitasato, Sagamihara City 252-0374, Japan
| | - Masato Iwatsuki
- Graduate School of Infection Control Sciences, Kitasato University, 5-9-1 Minato-ku, Shirokane, Tokyo 108-8641, Japan
- Ōmura Satoshi Memorial Institute, Kitasato University, 5-9-1 Minato-ku, Shirokane, Tokyo 108-8641, Japan
| | - Tomoyasu Hirose
- Graduate School of Infection Control Sciences, Kitasato University, 5-9-1 Minato-ku, Shirokane, Tokyo 108-8641, Japan
- Ōmura Satoshi Memorial Institute, Kitasato University, 5-9-1 Minato-ku, Shirokane, Tokyo 108-8641, Japan
| | - Gen Inoue
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku, Kitasato, Sagamihara City 252-0374, Japan
| | - Masashi Takaso
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku, Kitasato, Sagamihara City 252-0374, Japan
| | - Toshiaki Sunazuka
- Graduate School of Infection Control Sciences, Kitasato University, 5-9-1 Minato-ku, Shirokane, Tokyo 108-8641, Japan
- Ōmura Satoshi Memorial Institute, Kitasato University, 5-9-1 Minato-ku, Shirokane, Tokyo 108-8641, Japan
| | - Yoshihisa Ohashi
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku, Kitasato, Sagamihara City 252-0374, Japan
| | - Etsuro Ohta
- Department of Immunology II, Kitasato University School of Allied Health Sciences, 1-15-1 Minami-ku, Kitasato, Sagamihara City 252-0375, Japan
| | - Kentaro Uchida
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku, Kitasato, Sagamihara City 252-0374, Japan
- Shonan University of Medical Sciences Research Institute, Nishikubo 500, Chigasaki 253-0083, Japan
- Correspondence:
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Meher A. Role of Transcription Factors in the Management of Preterm Birth: Impact on Future Treatment Strategies. Reprod Sci 2022; 30:1408-1420. [PMID: 36131222 DOI: 10.1007/s43032-022-01087-7] [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: 06/01/2022] [Accepted: 09/15/2022] [Indexed: 10/14/2022]
Abstract
Preterm birth is defined as the birth of a neonate before 37 weeks of gestation and is considered as a leading cause of the under five deaths of neonates. Neonates born preterm are known to have higher perinatal mortality and morbidity with associated risks of low birth weight, respiratory distress syndrome, gastrointestinal, immunologic, central nervous system, hearing, and vision problems, cerebral palsy, and delayed development. India leads the list of countries with the greatest number of preterm births. The studies focusing on the molecular mechanisms related to the etiology of preterm birth have described the role of different transcription factors. With respect to this, transcription factors like peroxisome proliferator activated receptors (PPAR), nuclear factor kappa β (NF-kβ), nuclear erythroid 2-related factor 2 (Nrf2), and progesterone receptor (PR) are known to be associated with preterm labor. All these transcription factors are linked together with a common cascade involving inflammatory processes. Thus, the current review describes the possible cross-talk between these transcription factors and their therapeutic potential to prevent or manage preterm labor.
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Affiliation(s)
- Akshaya Meher
- Central Research Laboratory, Dr. Vasantrao Pawar Medical College, Hospital and Research Centre, Nashik, Maharashtra, India, 422003.
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19
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Mengstie MA, Chekol Abebe E, Behaile Teklemariam A, Tilahun Mulu A, Agidew MM, Teshome Azezew M, Zewde EA, Agegnehu Teshome A. Endogenous advanced glycation end products in the pathogenesis of chronic diabetic complications. Front Mol Biosci 2022; 9:1002710. [PMID: 36188225 PMCID: PMC9521189 DOI: 10.3389/fmolb.2022.1002710] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 09/01/2022] [Indexed: 12/22/2022] Open
Abstract
Diabetes is a common metabolic illness characterized by hyperglycemia and is linked to long-term vascular problems that can impair the kidney, eyes, nerves, and blood vessels. By increasing protein glycation and gradually accumulating advanced glycation end products in the tissues, hyperglycemia plays a significant role in the pathogenesis of diabetic complications. Advanced glycation end products are heterogeneous molecules generated from non-enzymatic interactions of sugars with proteins, lipids, or nucleic acids via the glycation process. Protein glycation and the buildup of advanced glycation end products are important in the etiology of diabetes sequelae such as retinopathy, nephropathy, neuropathy, and atherosclerosis. Their contribution to diabetes complications occurs via a receptor-mediated signaling cascade or direct extracellular matrix destruction. According to recent research, the interaction of advanced glycation end products with their transmembrane receptor results in intracellular signaling, gene expression, the release of pro-inflammatory molecules, and the production of free radicals, all of which contribute to the pathology of diabetes complications. The primary aim of this paper was to discuss the chemical reactions and formation of advanced glycation end products, the interaction of advanced glycation end products with their receptor and downstream signaling cascade, and molecular mechanisms triggered by advanced glycation end products in the pathogenesis of both micro and macrovascular complications of diabetes mellitus.
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Affiliation(s)
- Misganaw Asmamaw Mengstie
- Department of Biochemistry, College of Medicine and Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
- *Correspondence: Misganaw Asmamaw Mengstie,
| | - Endeshaw Chekol Abebe
- Department of Biochemistry, College of Medicine and Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Awgichew Behaile Teklemariam
- Department of Biochemistry, College of Medicine and Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Anemut Tilahun Mulu
- Department of Biochemistry, College of Medicine and Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Melaku Mekonnen Agidew
- Department of Biochemistry, College of Medicine and Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Muluken Teshome Azezew
- Department of Physiology, College of Medicine and Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Edgeit Abebe Zewde
- Department of Physiology, College of Medicine and Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Assefa Agegnehu Teshome
- Department of Anatomy, College of Medicine and Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
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20
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Chen Y, Zhou X, Wu Y. The miR-26a-5p/IL-6 axis alleviates sepsis-induced acute kidney injury by inhibiting renal inflammation. Ren Fail 2022; 44:551-561. [PMID: 35491874 PMCID: PMC9067948 DOI: 10.1080/0886022x.2022.2056486] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Sepsis-induced acute kidney injury (AKI) is a common and life-threatening complication in hospitalized and critically ill patients and has unacceptable morbidity and mortality rates. However, effective approaches for the diagnosis and treatment of septic AKI are still lacking. Here, we demonstrated significant increases in the miR-26a-5p levels in renal tubular cells of LPS-induced septic AKI models both in vivo and in vitro. Mechanistically, we provided evidence of the involvement of NF-κB in miR-26a-5p induction. LPS treatment of renal tubular cells led to the activation of NF-κB, and inhibition of NF-κB by TPCA-1 prevented the induction of miR-26a-5p. These results indicated that NF-κB was a key upstream factor for the induction of miR-26a-5p in septic AKI. Anti-miR-26a-5p enhanced the expression of IL-6 at both the protein and mRNA levels following LPS treatment. Furthermore, our luciferase microRNA target reporter assay verified that IL-6 is a direct target of miR-26a-5p. Blocking miR-26a-5p promoted renal inflammation and worsened kidney injury. Thus, our study indicated that the miR-26a-5p/IL-6 axis can alleviate sepsis-induced acute kidney injury by inhibiting renal inflammation. This mechanism may represent a therapeutic target for septic AKI.
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Affiliation(s)
- Yanhong Chen
- Department of Critical Care Medicine, Hunan Provincial People’s Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, China
| | - Xu Zhou
- Department of Critical Care Medicine, Hunan Provincial People’s Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, China
| | - Yanhong Wu
- Department of Critical Care Medicine, Hunan Provincial People’s Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, China
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21
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Let-7a Targeting TNFAPI3 Promotes Vascular Endothelial Cell Apoptosis of Pediatric Patients with Henoch–Schönlein Purpura via NF-κB Signaling Pathway. JOURNAL OF HEALTHCARE ENGINEERING 2022; 2022:3889318. [PMID: 35256897 PMCID: PMC8898105 DOI: 10.1155/2022/3889318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 10/11/2021] [Accepted: 12/13/2021] [Indexed: 11/30/2022]
Abstract
Objective We aimed at exploring the role of let-7a in the pathogenesis of pediatric Henoch–Schönlein purpura (HSP) and its related mechanism. Methods Fifty-five pediatric HSP patients and 20 paired healthy controls were included. The expressions of let-7a and TNFAIP3 were detected by RT-qPCR or/and western blot. Vessel fibrinoid necrosis was evaluated in skin tissues by PTAH staining. The serum IgA level was measured by ELISA. Cells were transfected with let-7a inhibitor and/or TNFAIP3 siRNA, accompanied by pretreatment with NF-κB inhibitor PDTC or not. After being cultured in HSP serum, the changes in cell viability, cell apoptosis, apoptosis-related proteins, and NF-κB pathway-related proteins were detected by CCK8, flow cytometry, and western blot. Results The let-7a expression level was positively correlated with the serum IgA level and severity degree of vascular fibrinoid necrosis in HSP patients. Let-7a expression was significantly increased, whereas cell viability and TNFAIP3 expression were obviously decreased 48 h after HUVECs were incubated with HSP serum. Let-7a knockdown upregulated the cell viability, whereas it reduced the apoptotic ratio, apoptosis protein expressions (Bax/Bcl2 ratio, cleaved-caspase 3), and NF-κB pathway activation (reflected by reduced P65 nuclear translocation and p-IκBα expression) in HUVECs (all p < 0.05). The changes induced by let-7a knockdown were obviously reversed by TNFAIP3 siRNA transfection (p < 0.05). Besides, PDTC treatment remarkably diminished the anti-apoptosis effect of let-7a knockdown and pro-apoptosis effect of TNFAIP3 siRNA on HUVECs induced by HSP serum. Conclusions Let-7a knockdown significantly suppressed vascular endothelial cell apoptosis induced by HSP serum by targeting TNFAPI3 via NF-κB signaling pathway. Our findings provided a potential therapeutic target for the treatment of HSP.
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22
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He T, Gao Y, Fang Y, Zhang Y, Zhang S, Nan F, Ding J, Chen Y. The HDAC inhibitor GCJ-490A suppresses c-Met expression through IKKα and overcomes gefitinib resistance in non-small cell lung cancer. Cancer Biol Med 2022; 19:j.issn.2095-3941.2021.0130. [PMID: 35188360 PMCID: PMC9425179 DOI: 10.20892/j.issn.2095-3941.2021.0130] [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] [Indexed: 11/14/2022] Open
Abstract
Objective: The novel compound GCJ-490A has been discovered as a pan-histone deacetylase (HDAC) inhibitor that exerts potent inhibitory activity against HDAC1, HDAC3, and HDAC6. Because of the important roles of HDACs in lung cancer development and the high distribution of GCJ-490A in lung tissue, we explored the anti-tumor potency of GCJ-490A against non-small cell lung cancer (NSCLC) in vitro and in vivo in this study. Methods: The in vitro effects of GCJ-490A alone or combined with the EGFR inhibitor gefitinib against NSCLC were measured with proliferation, apoptosis, and colony formation assays. NSCLC xenograft models were used to investigate the efficacy of GCJ-490A combined with gefitinib for the treatment of NSCLC in vivo. Western blot assays, luciferase reporter assays, chromatin immunoprecipitation assays, quantitative real time-PCR, immunohistochemistry, and transcription factor activity assays were used to elucidate possible mechanisms. Results: GCJ-490A effectively inhibited NSCLC cell proliferation and induced apoptosis in vitro and in vivo. Interestingly, inhibition of HDAC1 and HDAC6 by GCJ-490A increased histone acetylation at the IKKα promoter and enhanced IKKα transcription, thus decreasing c-Met. Moreover, this c-Met downregulation was found to be essential for the synergistic anti-tumor activity of GCJ-490A and gefitinib. Conclusions: These findings highlight the promising potential of HDAC inhibitors in NSCLC treatment and provide a rational basis for the application of HDAC inhibitors in combination with EGFR inhibitors in clinical trials.
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Affiliation(s)
- Ting He
- Division of Anti-Tumor Pharmacology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yinglei Gao
- Division of Anti-Tumor Pharmacology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Yanfen Fang
- Division of Anti-Tumor Pharmacology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Yangming Zhang
- State Key Laboratory of Drug Research, the National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Shuwei Zhang
- University of Chinese Academy of Sciences, Beijing 100049, China.,State Key Laboratory of Drug Research, the National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Fajun Nan
- State Key Laboratory of Drug Research, the National Center for Drug Screening, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Jian Ding
- Division of Anti-Tumor Pharmacology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yi Chen
- Division of Anti-Tumor Pharmacology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.,University of Chinese Academy of Sciences, Beijing 100049, China
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23
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Wang H, Zhang M, Xu X, Hou S, Liu Z, Chen X, Zhang C, Xu H, Wu L, Liu K, Song L. IKKα mediates UVB-induced cell apoptosis by regulating p53 pathway activation. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 227:112892. [PMID: 34649141 DOI: 10.1016/j.ecoenv.2021.112892] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 09/23/2021] [Accepted: 10/08/2021] [Indexed: 06/13/2023]
Abstract
Exposure to ultraviolet B (UVB) has been demonstrated to induce DNA damage as well as angiogenesis-related photo-damages, which are implicated in a variety of medical problems, including sunburn, photo-aging and skin cancers. However, the molecular mechanism related to UVB-induced photo-injuries remained fully elucidated. Here we revealed that one of the catalytic subunits of the IKK complex, IKKα, played a critical role in mediating UVB-induced apoptotic responses in two kinds of UVB sensitive cells, human keratinocyte (HaCat) and mouse embryonic fibroblasts (MEFs). This function of IKKα was unrelated to NF-κB activity, but was delivered by inducing phosphorylation and acetylation of p53 and upregulating the expression of the pro-apoptotic p53 target gene, PERP. Although IKKα kinase activity was required for mediating post-translational modifications and transactivation of 53 and PERP induction, IKKα did not show direct binding ability toward p53. Instead, IKKα could interact with CHK1, the protein kinase leading to p53 phosphorylation, and trigger CHK1 activation and CHK1/p53 complex formation. At the same time, IKKα could also interact with p300 and CBP, the acetyltransferases responsible for p53 acetylation, and trigger p300/CBP activation and p300/p53 or CBP/p53 complex formation under UVB exposure. Taken together, we have identified a novel NF-κB-independent role of IKKα in mediating UVB-induced apoptosis by regulating p53 pathway activation. Targeting IKKα/p53/PERP pathway might be helpful to prevent skin photo-damages induced by sunlight.
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Affiliation(s)
- Hongli Wang
- Beijing Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, China; Laboratory of Cellular and Molecular Immunology, School of Medicine, Henan University, 357 Ximen Road, Kaifeng 475004, China
| | - Min Zhang
- Beijing Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, China
| | - Xiuduan Xu
- Beijing Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, China; Anhui Medical University, 81 Meishan Road, Hefei 230032, China
| | - Shaojun Hou
- Beijing Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, China; Anhui Medical University, 81 Meishan Road, Hefei 230032, China
| | - Zhihui Liu
- Beijing Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, China; College of Life Science, Henan Normal University, 46 Jianshe Road, Xinxiang 473007, China
| | - Xuejiao Chen
- Beijing Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, China
| | - Chongchong Zhang
- Beijing Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, China; Laboratory of Cellular and Molecular Immunology, School of Medicine, Henan University, 357 Ximen Road, Kaifeng 475004, China
| | - Huan Xu
- Beijing Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, China; Anhui Medical University, 81 Meishan Road, Hefei 230032, China
| | - Lin Wu
- Beijing Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, China
| | - Kun Liu
- Beijing Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, China
| | - Lun Song
- Beijing Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, China; Anhui Medical University, 81 Meishan Road, Hefei 230032, China; College of Life Science, Henan Normal University, 46 Jianshe Road, Xinxiang 473007, China; School of Pharmacy, Jiamusi University, Jiamusi, Heilongjiang 154007, China.
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24
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Vargas-Mendoza N, Angeles-Valencia M, Morales-González Á, Madrigal-Santillán EO, Morales-Martínez M, Madrigal-Bujaidar E, Álvarez-González I, Gutiérrez-Salinas J, Esquivel-Chirino C, Chamorro-Cevallos G, Cristóbal-Luna JM, Morales-González JA. Oxidative Stress, Mitochondrial Function and Adaptation to Exercise: New Perspectives in Nutrition. Life (Basel) 2021; 11:life11111269. [PMID: 34833151 PMCID: PMC8624755 DOI: 10.3390/life11111269] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 11/10/2021] [Accepted: 11/13/2021] [Indexed: 02/07/2023] Open
Abstract
Cells have the ability to adapt to stressful environments as a part of their evolution. Physical exercise induces an increase of a demand for energy that must be met by mitochondria as the main (ATP) provider. However, this process leads to the increase of free radicals and the so-called reactive oxygen species (ROS), which are necessary for the maintenance of cell signaling and homeostasis. In addition, mitochondrial biogenesis is influenced by exercise in continuous crosstalk between the mitochondria and the nuclear genome. Excessive workloads may induce severe mitochondrial stress, resulting in oxidative damage. In this regard, the objective of this work was to provide a general overview of the molecular mechanisms involved in mitochondrial adaptation during exercise and to understand if some nutrients such as antioxidants may be implicated in blunt adaptation and/or an impact on the performance of exercise by different means.
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Affiliation(s)
- Nancy Vargas-Mendoza
- Laboratorio de Medicina de Conservación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón, Col. Casco de Santo Tomás, Del. Miguel Hidalgo, Ciudad de México 11340, Mexico; (N.V.-M.); (M.A.-V.); (E.O.M.-S.)
| | - Marcelo Angeles-Valencia
- Laboratorio de Medicina de Conservación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón, Col. Casco de Santo Tomás, Del. Miguel Hidalgo, Ciudad de México 11340, Mexico; (N.V.-M.); (M.A.-V.); (E.O.M.-S.)
| | - Ángel Morales-González
- Escuela Superior de Cómputo, Instituto Politécnico Nacional, Av. Juan de Dios Bátiz s/n Esquina Miguel Othón de Mendizabal, Unidad Profesional Adolfo López Mateos, Ciudad de México 07738, Mexico
- Correspondence: (Á.M.-G.); (J.A.M.-G.); Tel.: +52-55-5729-6300 (Á.M.-G. & J.A.M.-G.)
| | - Eduardo Osiris Madrigal-Santillán
- Laboratorio de Medicina de Conservación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón, Col. Casco de Santo Tomás, Del. Miguel Hidalgo, Ciudad de México 11340, Mexico; (N.V.-M.); (M.A.-V.); (E.O.M.-S.)
| | - Mauricio Morales-Martínez
- Licenciatura en Nutrición, Universidad Intercontinental, Insurgentes Sur 4303, Santa Úrsula Xitla, Alcaldía Tlalpan, Ciudad de México 14420, Mexico;
| | - Eduardo Madrigal-Bujaidar
- Laboratorio de Genética, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Unidad Profesional A. López Mateos, Av. Wilfrido Massieu, Col., Lindavista, Ciudad de México 07738, Mexico; (E.M.-B.); (I.Á.-G.)
| | - Isela Álvarez-González
- Laboratorio de Genética, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Unidad Profesional A. López Mateos, Av. Wilfrido Massieu, Col., Lindavista, Ciudad de México 07738, Mexico; (E.M.-B.); (I.Á.-G.)
| | - José Gutiérrez-Salinas
- Laboratorio de Bioquímica y Medicina Experimental, Centro Médico Nacional “20 de Noviembre”, ISSSTE, Ciudad de México 03229, Mexico;
| | - César Esquivel-Chirino
- Área de Básicas Médicas, División de Estudios Profesionales, Facultad de Odontología, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico;
| | - Germán Chamorro-Cevallos
- Laboratorio de Toxicología Preclínica, Departamento de Farmacia, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Av. Wilfrido Massieu 399, Col. Nueva Industrial Vallejo, Del. Gustavo A. Madero, Ciudad de México 07738, Mexico; (G.C.-C.); (J.M.C.-L.)
| | - José Melesio Cristóbal-Luna
- Laboratorio de Toxicología Preclínica, Departamento de Farmacia, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Av. Wilfrido Massieu 399, Col. Nueva Industrial Vallejo, Del. Gustavo A. Madero, Ciudad de México 07738, Mexico; (G.C.-C.); (J.M.C.-L.)
| | - José A. Morales-González
- Laboratorio de Medicina de Conservación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón, Col. Casco de Santo Tomás, Del. Miguel Hidalgo, Ciudad de México 11340, Mexico; (N.V.-M.); (M.A.-V.); (E.O.M.-S.)
- Correspondence: (Á.M.-G.); (J.A.M.-G.); Tel.: +52-55-5729-6300 (Á.M.-G. & J.A.M.-G.)
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25
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Role of NF-κB in Ageing and Age-Related Diseases: Lessons from Genetically Modified Mouse Models. Cells 2021; 10:cells10081906. [PMID: 34440675 PMCID: PMC8394846 DOI: 10.3390/cells10081906] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/17/2021] [Accepted: 07/23/2021] [Indexed: 12/21/2022] Open
Abstract
Ageing is a complex process, induced by multifaceted interaction of genetic, epigenetic, and environmental factors. It is manifested by a decline in the physiological functions of organisms and associated to the development of age-related chronic diseases and cancer development. It is considered that ageing follows a strictly-regulated program, in which some signaling pathways critically contribute to the establishment and maintenance of the aged state. Chronic inflammation is a major mechanism that promotes the biological ageing process and comorbidity, with the transcription factor NF-κB (nuclear factor kappa-light-chain-enhancer of activated B cells) as a crucial mediator of inflammatory responses. This, together with the finding that the activation or inhibition of NF-κB can induce or reverse respectively the main features of aged organisms, has brought it under consideration as a key transcription factor that acts as a driver of ageing. In this review, we focused on the data obtained entirely through the generation of knockout and transgenic mouse models of either protein involved in the NF-κB signaling pathway that have provided relevant information about the intricate processes or molecular mechanisms that control ageing. We have reviewed the relationship of NF-κB and premature ageing; the development of cancer associated with ageing and the implication of NF-κB activation in the development of age-related diseases, some of which greatly increase the risk of developing cancer.
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26
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Samir P, Place DE, Malireddi RKS, Kanneganti TD. TLR and IKK Complex-Mediated Innate Immune Signaling Inhibits Stress Granule Assembly. THE JOURNAL OF IMMUNOLOGY 2021; 207:115-124. [PMID: 34145059 DOI: 10.4049/jimmunol.2100115] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 05/02/2021] [Indexed: 11/19/2022]
Abstract
Cellular stress can induce cytoplasmic ribonucleoprotein complexes called stress granules that allow the cells to survive. Stress granules are also central to cellular responses to infections, in which they can act as platforms for viral sending or modulate innate immune signaling through pattern recognition receptors. However, the effect of innate immune signaling on stress granules is poorly understood. In this study, we report that prior induction of innate immune signaling through TLRs inhibited stress granule assembly in a TLR ligand dose-dependent manner in murine bone marrow-derived macrophages. Time course analysis suggests that TLR stimulation can reverse stress granule assembly even after it has begun. Additionally, both MYD88- and TRIF-mediated TLR signaling inhibited stress granule assembly in response to endoplasmic reticulum stress in bone marrow-derived macrophages and the chemotherapeutic drug oxaliplatin in murine B16 melanoma cells. This inhibition was not due to a decrease in expression of the critical stress granule proteins G3BP1 and DDX3X and was independent of IRAK1/4, JNK, ERK and P38 kinase activity but dependent on IKK complex kinase activity. Overall, we have identified the TLR-IKK complex signaling axis as a regulator of stress granule assembly-disassembly dynamics, highlighting cross-talk between processes that are critical in health and disease.
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Affiliation(s)
- Parimal Samir
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN
| | - David E Place
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN
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Duchesnea indica Extract Attenuates Coal Fly Ash-Induced Inflammation in Murine Alveolar Macrophages through the NF-Kappa B Pathway. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:5546052. [PMID: 34194518 PMCID: PMC8203366 DOI: 10.1155/2021/5546052] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Accepted: 05/21/2021] [Indexed: 12/24/2022]
Abstract
Duchesnea indica is known as false strawberry, is found in East Asia, and has numerous biological properties. The aim of this study was to investigate the anti-inflammatory effect of Duchesnea indica extract (DIE) on coal fly ash- (CFA-) induced inflammation in murine alveolar macrophages (MH-S). Following the induction of inflammation in MH-S cells by CFA, nitric oxide (NO) was measured to evaluate the anti-inflammatory property of DIE. Cell viability and inflammatory gene expression were analyzed using polymerase chain reaction (PCR). The inflammatory pathway in MH-S cells was determined via western blotting and immunofluorescence (IF) analysis. Finally, the major components of the DIE were identified and separated through ultra-performance liquid chromatography (UPLC) and gas chromatography-mass spectrometry (GC-MS) analysis. Our results showed that the DIE dose-dependently inhibited the CFA-induced NO production in MH-S cells. Moreover, the DIE could suppress the CFA-induced proinflammatory mediators, such as cyclooxygenase-2 (COX-2) and inducible nitric oxide synthase (iNOS). In addition, the inhibitory effect of the DIE on proinflammatory cytokines, including interleukin-6 (IL-6), IL-1β, and tumor necrosis factor-α (TNF-α), was detected with PCR. Moreover, the effect of the DIE on the nuclear factor-κB (NF-κB) pathway in CFA-activated MH-S cells was measured via western blotting. Furthermore, the inhibition of the phosphorylated NF-κB (p-NF-κB) translocation was analyzed using IF assay. The findings of this study indicated that the DIE potentially inhibited the CFA-induced inflammation by blocking the NF-κB inflammatory signaling pathway in MH-S cells and that the DIE might contain favorable anti-inflammatory compounds which may be effective in attenuating lung inflammation.
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28
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Hu L, Zhang R, Wu J, Feng C, Kong L. Sequoyitol Alleviates High Glucose-Induced Inflammation, Oxidative Stress and Apoptosis of Retina Epithelial Cells. J BIOMATER TISS ENG 2021. [DOI: 10.1166/jbt.2021.2636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Diabetic retinopathy (DR) is a serious microvascular complication of diabetes, contributing to visual impairment and blindness. Sequoyitol (Seq), a form of inositol derivatives, has been demonstrated to be a therapeutic potential for diabetes and diabetic nephropathy. The aim of this
study is to explore the effects of Seq on DR. ARPE-19 cells were cultured in high glucose (HG) condition to simulate DR in vitro. Seq (1,10 and 20 µM) was applied for treatment. CCK-8 assay was performed to detect cell viability. Flow cytometry analysis was conducted to
determine cell apoptosis rate. The production level of inflammatory cytokines and oxidative stress-related factors were determined using their commercial kits. The protein expressions of corresponding genes were detected using western blotting. The results revealed that Seq significantly increased
cell viability and protein expression of PCNA and Ki67 which were decreased after HG induction. HG promoted cell apoptosis by decreasing protein expression of Bcl-2 and increasing protein expression of Bax and cleaved caspase-3, which was then reversed by Seq treatment. Besides, Seq abolished
the promoting effects of HG on the production of pro-inflammatory cytokines and oxidative stress-related factors. Furthermore, Seq suppressed the promoting effect of HG on the activation of NF-κB signaling by inhibiting phosphorylation of kBa and NF-κB nucleus translocation.
These results indicated that Seq might protect ARPE-19 cells against HG-induced cell viability, apoptosis, inflammation and oxidative stress by regulating NF-κB signaling, providing evidence for the potential application of Seq in the therapy of DR.
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Affiliation(s)
- Liping Hu
- Department of Fundus Ophthalmology, Aier Eye Hospital of Wuhan University Wuhan, Hubei, 430063, China
| | - Rui Zhang
- Department of Fundus Ophthalmology, Aier Eye Hospital of Wuhan University Wuhan, Hubei, 430063, China
| | - Jianhua Wu
- Department of Fundus Ophthalmology, Aier Eye Hospital of Wuhan University Wuhan, Hubei, 430063, China
| | - Chao Feng
- Department of Fundus Ophthalmology, Aier Eye Hospital of Wuhan University Wuhan, Hubei, 430063, China
| | - Li Kong
- Department of Ophthalmology, Chongqing Aier Eye Hospital, Chongqing, 400020, China
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29
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Martínez de Paz A, Josefowicz SZ. Signaling-to-chromatin pathways in the immune system. Immunol Rev 2021; 300:37-53. [PMID: 33644906 PMCID: PMC8548991 DOI: 10.1111/imr.12955] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 01/08/2021] [Accepted: 01/11/2021] [Indexed: 02/01/2023]
Abstract
Complex organisms are able to respond to diverse environmental cues by rapidly inducing specific transcriptional programs comprising a few dozen genes among thousands. The highly complex environment within the nucleus-a crowded milieu containing large genomes tightly condensed with histone proteins in the form of chromatin-makes inducible transcription a challenge for the cell, akin to the proverbial needle in a haystack. The different signaling pathways and transcription factors involved in the transmission of information from the cell surface to the nucleus have been readily explored, but not so much the specific mechanisms employed by the cell to ultimately instruct the chromatin changes necessary for a fast and robust transcription activation. Signaling pathways rely on cascades of protein kinases that, in addition to activating transcription factors can also activate the chromatin template by phosphorylating histone proteins, what we refer to as "signaling-to-chromatin." These pathways appear to be selectively employed and especially critical for driving inducible transcription in macrophages and likely in diverse other immune cell populations. Here, we discuss signaling-to-chromatin pathways with potential relevance in diverse immune cell populations together with chromatin related mechanisms that help to "solve" the needle in a haystack challenge of robust chromatin activation and inducible transcription.
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Affiliation(s)
- Alexia Martínez de Paz
- Laboratory of Epigenetics and Immunity, Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Steven Zvi Josefowicz
- Laboratory of Epigenetics and Immunity, Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, USA
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30
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Chen M, Chen Z, Huang D, Sun C, Xie J, Chen T, Zhao X, Huang Y, Li D, Wu B, Wu D. Myricetin inhibits TNF-α-induced inflammation in A549 cells via the SIRT1/NF-κB pathway. Pulm Pharmacol Ther 2021; 65:102000. [PMID: 33601000 DOI: 10.1016/j.pupt.2021.102000] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 01/27/2021] [Accepted: 02/05/2021] [Indexed: 12/13/2022]
Abstract
BACKGROUND Although myricetin exerts anti-inflammation, anti-cancer, and anti-oxidation effects, the relationship between myricetin and tumor necrosis factor alpha (TNF-α) -stimulated inflammation in A549 cells remains unclear. This study sought to assess whether myricetin has an anti-inflammatory effect on TNF-α-induced A549 cells and clarify the potential mechanisms. METHODS Cell viability was examined with a Cell Counting Kit-8, and cytokine levels were determined by enzyme-linked immunosorbent assay and reverse transcription-quantitative PCR. Potential mechanisms were further explored by western blotting, immunofluorescence, and SIRT1 activity assays. RESULTS In A549 cells, TNF-α stimulation upregulated the production of interleukin-6 (IL-6) and interleukin-8 (IL-8). Moreover, TNF-α activated the nuclear factor-κB (NF-κB) pathway, as confirmed by IκB-α degradation, and phosphorylation and nuclear migration of NF-κB p65. However, pretreatment with myricetin significantly attenuated the observed responses triggered by TNF-α. Mechanistically, myricetin strongly increased the deacetylase activity through decreasing phosphorylation, but not expression, of sirtuin-1 (SIRT1) in TNF-α-stimulated A549 cells. Myricetin-mediated SIRT1 activation was further evidenced by the decreased acetylation of NF-κB p65 and p53. Subsequently, all of these concurrent changes were reversed by the addition of salermide (SIRT1 inhibitor), illustrating the critical role of SIRT1 in mediation of anti-inflammatory processes by myricetin. CONCLUSIONS Myricetin, an enhancer of SIRT1, inhibited TNF-α-induced NF-κB activation in A549 cells, therefore, reducing their inflammatory response. Our findings provide insight for novel therapies for inflammation-related diseases, such as asthma and chronic obstructive pulmonary disease.
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Affiliation(s)
- Min Chen
- Institute of Respiratory Diseases, Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Ziyu Chen
- Institute of Respiratory Diseases, Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Dan Huang
- Institute of Respiratory Diseases, Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Chaoqun Sun
- Institute of Respiratory Diseases, Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Jinye Xie
- Institute of Respiratory Diseases, Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Tingting Chen
- Institute of Respiratory Diseases, Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Xuanna Zhao
- Institute of Respiratory Diseases, Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Yujie Huang
- Institute of Respiratory Diseases, Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Dongming Li
- Institute of Respiratory Diseases, Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Bin Wu
- Institute of Respiratory Diseases, Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China.
| | - Dong Wu
- Institute of Respiratory Diseases, Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China.
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Mitsiopoulou C, Sotirakoglou K, Skliros D, Flemetakis E, Tsiplakou E. The Impact of Whole Sesame Seeds on the Expression of Key-Genes Involved in the Innate Immunity of Dairy Goats. Animals (Basel) 2021; 11:468. [PMID: 33578642 PMCID: PMC7916339 DOI: 10.3390/ani11020468] [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: 01/12/2021] [Revised: 02/02/2021] [Accepted: 02/08/2021] [Indexed: 01/20/2023] Open
Abstract
Whole sesame seeds (WSS) are rich in both linoleic acid (LA) and lignans. However, their impact on the innate immunity of goats is not well studied. Twenty-four goats were divided into three homogeneous sub-groups; comprise one control (CON) and two treated (WWS5 and WWS10). In the treated groups, WSS were incorporated in the concentrates of the CON at 5 (WSS5) and 10% (WSS10) respectively, by partial substitution of both soybean meal and corn grain. The expression levels of MAPK1, IL6, TRIF, IFNG, TRAF3, and JUND genes in the neutrophils of WSS10 fed goats were reduced significantly compared with the CON. The same was found for the expression levels of IFNG and TRAF3 genes in the neutrophils of WSS5 fed goats. Both treated groups primarily affected the MYD88-independent pathway. The dietary supplementation of goats with WSS might be a good nutritional strategy to improve their innate immunity.
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Affiliation(s)
- Christina Mitsiopoulou
- Laboratory of Nutritional Physiology and Feeding, Department of Animal Science, School of Animal Biosciences, Agricultural University of Athens, Iera Odos 75, 118 55 Athens, Greece;
| | - Kyriaki Sotirakoglou
- Laboratory of Mathematics and Statistics, Department of Natural Resources Management and Agricultural Engineering, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece;
| | - Dimitrios Skliros
- Laboratory of Molecular Biology, Department of Biotechnology, School of Food, Biotechnology and Development, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece; (D.S.); (E.F.)
| | - Emmanouil Flemetakis
- Laboratory of Molecular Biology, Department of Biotechnology, School of Food, Biotechnology and Development, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece; (D.S.); (E.F.)
| | - Eleni Tsiplakou
- Laboratory of Nutritional Physiology and Feeding, Department of Animal Science, School of Animal Biosciences, Agricultural University of Athens, Iera Odos 75, 118 55 Athens, Greece;
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Lopreiato M, Di Cristofano S, Cocchiola R, Mariano A, Guerrizio L, Scandurra R, Mosca L, Raimondo D, d’Abusco AS. Biochemical and Computational Studies of the Interaction between a Glucosamine Derivative, NAPA, and the IKK α Kinase. Int J Mol Sci 2021; 22:ijms22041643. [PMID: 33562013 PMCID: PMC7915277 DOI: 10.3390/ijms22041643] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Revised: 02/01/2021] [Accepted: 02/02/2021] [Indexed: 12/23/2022] Open
Abstract
The glucosamine derivative 2-(N-Acetyl)-L-phenylalanylamido-2-deoxy-β-D-glucose (NAPA), was shown to inhibit the kinase activity of IKKα, one of the two catalytic subunits of IKK complex, decreasing the inflammatory status in osteoarthritis chondrocytes. In the present work we have investigated the inhibition mechanism of IKKα by NAPA by combining computational simulations, in vitro assays and Mass Spectrometry (MS) technique. The kinase in vitro assay was conducted using a recombinant IKKα and IKKtide, a 20 amino acid peptide substrate derived from IkBα kinase protein and containing the serine residues Ser32 and Ser36. Phosphorylated peptide production was measured by Ultra Performance Liquid Chromatography coupled with Mass Spectrometry (UPLC-MS), and the atomic interaction between IKKα and NAPA has been studied by molecular docking and Molecular Dynamics (MD) approaches. Here we report that NAPA was able to inhibit the IKKα kinase activity with an IC50 of 0.5 mM, to decrease the Km value from 0.337 mM to 0.402 mM and the Vmax from 0.0257 mM·min−1 to 0.0076 mM·min−1. The computational analyses indicate the region between the KD, ULD and SDD domains of IKKα as the optimal binding site explored by NAPA. Biochemical data indicate that there is a non-significant difference between Km and Ki whereas there is a statistically significant difference between the two Vmax values. This evidence, combined with computational results, consistently indicates that the inhibition is non-competitive, and that the NAPA binding site is different than that of ATP or IKKtide.
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Affiliation(s)
- Mariangela Lopreiato
- Department of Biochemical Sciences, Sapienza University of Roma, P.le Aldo Moro 5, 00185 Rome, Italy; (M.L.); (R.C.); (A.M.); (L.G.); (R.S.); (L.M.)
- Department of Medicina Sperimentale, Università Magna Graecia, Campus S. Venuta, 88100 Catanzaro, Italy
| | - Samuele Di Cristofano
- Department of Molecular Medicine, Sapienza University of Rome, Viale Regina Elena 291, 00161 Rome, Italy;
| | - Rossana Cocchiola
- Department of Biochemical Sciences, Sapienza University of Roma, P.le Aldo Moro 5, 00185 Rome, Italy; (M.L.); (R.C.); (A.M.); (L.G.); (R.S.); (L.M.)
- Clinical Trial Unit, Bambino Gesù Children’s Hospital, IRCSS, P. Sant’Onofrio 4, 00165 Rome, Italy
| | - Alessia Mariano
- Department of Biochemical Sciences, Sapienza University of Roma, P.le Aldo Moro 5, 00185 Rome, Italy; (M.L.); (R.C.); (A.M.); (L.G.); (R.S.); (L.M.)
| | - Libera Guerrizio
- Department of Biochemical Sciences, Sapienza University of Roma, P.le Aldo Moro 5, 00185 Rome, Italy; (M.L.); (R.C.); (A.M.); (L.G.); (R.S.); (L.M.)
| | - Roberto Scandurra
- Department of Biochemical Sciences, Sapienza University of Roma, P.le Aldo Moro 5, 00185 Rome, Italy; (M.L.); (R.C.); (A.M.); (L.G.); (R.S.); (L.M.)
| | - Luciana Mosca
- Department of Biochemical Sciences, Sapienza University of Roma, P.le Aldo Moro 5, 00185 Rome, Italy; (M.L.); (R.C.); (A.M.); (L.G.); (R.S.); (L.M.)
| | - Domenico Raimondo
- Department of Molecular Medicine, Sapienza University of Rome, Viale Regina Elena 291, 00161 Rome, Italy;
- Correspondence: (D.R.); (A.S.d.)
| | - Anna Scotto d’Abusco
- Department of Biochemical Sciences, Sapienza University of Roma, P.le Aldo Moro 5, 00185 Rome, Italy; (M.L.); (R.C.); (A.M.); (L.G.); (R.S.); (L.M.)
- Correspondence: (D.R.); (A.S.d.)
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Suppression of proteasome induces apoptosis in APL cells and increases chemo-sensitivity to arsenic trioxide: Proposing a perception in APL treatment. Cancer Treat Res Commun 2021; 26:100284. [PMID: 33387871 DOI: 10.1016/j.ctarc.2020.100284] [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: 04/19/2020] [Revised: 11/26/2020] [Accepted: 12/08/2020] [Indexed: 11/23/2022]
Abstract
In the last three decades, the pathogenesis of acute promyelocytic leukemia (APL) has been mostly studied with regard to the oncogenic role of PML/RAR fusion protein; however, the latest discoveries have stated that the concerns with the treatment of APL patients would not be resolved until the role of aberrant networks is overlooked. The present study was designed to evaluate the anti-cancer property of second-generation of the proteasome inhibitors carfilzomib (CFZ) on APL-derived NB4 cells. Our results showed that pharmacologic targeting of proteasome in NB4 reduced the proliferative rate of malignant cells through a c-Myc-mediated G2/M cell cycle arrest. Moreover, we found that the suppression of proteasome was coupled with the induction of apoptotic NB4 cell death, which is probably mediated through down-regulation of anti-apoptotic target genes. Interestingly, our results suggested that the suppression of the autophagy system using chloroquine could serve as a mechanism through which the cytotoxicity of CFZ in APL cells was ameliorated. Finally, and consistent with the favorable efficacy of single agent of CFZ, we also noted an intensifying effect of the inhibitor on the anti-leukemic activity of arsenic trioxide (ATO) when it was used in combination. Overall, this study suggests that pharmaceutical targeting of proteasome using CFZ, either as a single agent or in combination with ATO, could be a promising mechanism through which the obstacle on the way of APL would be tackled; however, further investigations are needed to determine the advantages of the inhibitor in clinical applications.
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Kaur N, Chugh H, Sakharkar MK, Dhawan U, Chidambaram SB, Chandra R. Neuroinflammation Mechanisms and Phytotherapeutic Intervention: A Systematic Review. ACS Chem Neurosci 2020; 11:3707-3731. [PMID: 33146995 DOI: 10.1021/acschemneuro.0c00427] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Neuroinflammation is indicated in the pathogenesis of several acute and chronic neurological disorders. Acute lesions in the brain parenchyma induce intense and highly complex neuroinflammatory reactions with similar mechanisms among various disease prototypes. Microglial cells in the CNS sense tissue damage and initiate inflammatory responses. The cellular and humoral constituents of the neuroinflammatory reaction to brain injury contribute significantly to secondary brain damage and neurodegeneration. Inflammatory cascades such as proinflammatory cytokines from invading leukocytes and direct cell-mediated cytotoxicity between lymphocytes and neurons are known to cause "collateral damage" in models of acute brain injury. In addition to degeneration and neuronal cell loss, there are secondary inflammatory mechanisms that modulate neuronal activity and affect neuroinflammation which can even be detected at the behavioral level. Hence, several of health conditions result from these pathogenetic conditions which are underlined by progressive neuronal function loss due to chronic inflammation and oxidative stress. In the first part of this Review, we discuss critical neuroinflammatory mediators and their pathways in detail. In the second part, we review the phytochemicals which are considered as potential therapeutic molecules for treating neurodegenerative diseases with an inflammatory component.
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Affiliation(s)
- Navrinder Kaur
- Drug Discovery and Development Laboratory, Department of Chemistry, University of Delhi, New Delhi-110007, India
- Dr. B. R. Ambedkar Center for Biomedical Research, University of Delhi, New Delhi-110007, India
| | - Heerak Chugh
- Drug Discovery and Development Laboratory, Department of Chemistry, University of Delhi, New Delhi-110007, India
| | - Meena K. Sakharkar
- College of Pharmacy and Nutrition, University of Sasketchwan, Saskatoon S7N 5E5, Canada
| | - Uma Dhawan
- Department of Biomedical Science, Bhaskaracharya College of Applied Sciences, University of Delhi, New Delhi-110075, India
| | - Saravana Babu Chidambaram
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research (JSS AHER), S.S. Nagar, Mysuru-570015, India
- Centre for Experimental Pharmacology and Toxicology (CPT), JSS Academy of Higher Education & Research JSS AHER, Mysuru-570015, India
| | - Ramesh Chandra
- Drug Discovery and Development Laboratory, Department of Chemistry, University of Delhi, New Delhi-110007, India
- Dr. B. R. Ambedkar Center for Biomedical Research, University of Delhi, New Delhi-110007, India
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Xu X, Zhang C, Xu H, Wu L, Hu M, Song L. Autophagic feedback-mediated degradation of IKKα requires CHK1- and p300/CBP-dependent acetylation of p53. J Cell Sci 2020; 133:jcs246868. [PMID: 33097607 DOI: 10.1242/jcs.246868] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Accepted: 10/12/2020] [Indexed: 12/20/2022] Open
Abstract
In our previous report, we demonstrated that one of the catalytic subunits of the IκB kinase (IKK) complex, IKKα (encoded by CHUK), performs an NF-κB-independent cytoprotective role in human hepatoma cells under the treatment of the anti-tumor therapeutic reagent arsenite. IKKα triggers its own degradation, as a feedback loop, by activating p53-dependent autophagy, and therefore contributes substantially to hepatoma cell apoptosis induced by arsenite. Interestingly, IKKα is unable to interact with p53 directly but plays a critical role in mediating p53 phosphorylation (at Ser15) by promoting CHK1 activation and CHK1-p53 complex formation. In the current study, we found that p53 acetylation (at Lys373 and/or Lys382) was also critical for the induction of autophagy and the autophagic degradation of IKKα during the arsenite response. Furthermore, IKKα was involved in p53 acetylation through interaction with the acetyltransferases for p53, p300 (also known as EP300) and CBP (also known as CREBBP) (collectively p300/CBP), inducing CHK1-dependent p300/CBP activation and promoting p300-p53 or CBP-p53 complex formation. Therefore, taken together with the previous report, we conclude that both IKKα- and CHK1-dependent p53 phosphorylation and acetylation contribute to mediating selective autophagy feedback degradation of IKKα during the arsenite-induced proapoptotic responses.
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Affiliation(s)
- Xiuduan Xu
- Institute of Military Cognitive and Brain Sciences, 27 Taiping Road, Beijing 100850, P. R. China
- Department of Basic Medical Sciences, Anhui Medical University, 81 Meishan Road, Hefei 230032, P. R. China
| | - Chongchong Zhang
- Institute of Military Cognitive and Brain Sciences, 27 Taiping Road, Beijing 100850, P. R. China
- Henan University Joint National Laboratory for Antibody Drug Engineering, Kaifeng 475004, P. R. China
| | - Huan Xu
- Institute of Military Cognitive and Brain Sciences, 27 Taiping Road, Beijing 100850, P. R. China
- Department of Basic Medical Sciences, Anhui Medical University, 81 Meishan Road, Hefei 230032, P. R. China
| | - Lin Wu
- Institute of Military Cognitive and Brain Sciences, 27 Taiping Road, Beijing 100850, P. R. China
| | - Meiru Hu
- Institute of Military Cognitive and Brain Sciences, 27 Taiping Road, Beijing 100850, P. R. China
| | - Lun Song
- Institute of Military Cognitive and Brain Sciences, 27 Taiping Road, Beijing 100850, P. R. China
- Department of Basic Medical Sciences, Anhui Medical University, 81 Meishan Road, Hefei 230032, P. R. China
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Kwak SC, Cheon YH, Lee CH, Jun HY, Yoon KH, Lee MS, Kim JY. Grape Seed Proanthocyanidin Extract Prevents Bone Loss via Regulation of Osteoclast Differentiation, Apoptosis, and Proliferation. Nutrients 2020; 12:nu12103164. [PMID: 33081167 PMCID: PMC7602819 DOI: 10.3390/nu12103164] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 10/12/2020] [Accepted: 10/14/2020] [Indexed: 11/20/2022] Open
Abstract
Dietary procyanidin has been shown to be an important bioactive component that regulates various pharmacological activities to maintain metabolic homeostasis. In particular, grape seed proanthocyanidin extract (GSPE) is a commercially available medicine for the treatment of venous and lymphatic dysfunction. This study aimed to investigate whether GSPE protects against lipopolysaccharide (LPS)-induced bone loss in vivo and the related mechanism of action in vitro. The administration of GSPE restored the inflammatory bone loss phenotype stimulated by acute systemic injection of LPS in vivo. GSPE strongly suppressed receptor activator of nuclear factor kappa-B ligand (RANKL)-induced osteoclast differentiation and bone resorption activity of mature osteoclasts by decreasing the RANKL-induced nuclear factor-κB transcription activity. GSPE mediates this effect through decreased phosphorylation and degradation of NF-κB inhibitor (IκB) by IκB kinaseβ, subsequently inhibiting proto-oncogene cellular Fos and nuclear factor of activated T cells. Additionally, GSPE promotes osteoclast proliferation by increasing the phosphorylation of components of the Akt and mitogen-activated protein kinase signaling pathways and it also inhibits apoptosis by decreasing the activity of caspase-8, caspase-9, and caspase-3, as corroborated by a decrease in the Terminal deoxynucleotidyl transferase dUTP nick end labeling -positive cells. Our study suggests a direct effect of GSPE on the proliferation, differentiation, and apoptosis of osteoclasts and reveals the mechanism responsible for the therapeutic potential of GSPE in osteoclast-associated bone metabolism disease.
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Affiliation(s)
- Sung Chul Kwak
- Department of Anatomy, School of Medicine, Wonkwang University, Iksan 54538, Korea;
| | - Yoon-Hee Cheon
- Musculoskeletal and Immune Disease Research Institute, School of Medicine, Wonkwang University, Iksan 54538, Korea; (Y.-H.C.); (C.H.L.)
| | - Chang Hoon Lee
- Musculoskeletal and Immune Disease Research Institute, School of Medicine, Wonkwang University, Iksan 54538, Korea; (Y.-H.C.); (C.H.L.)
- Division of Rheumatology, Department of Internal Medicine, Wonkwang University Hospital, Iksan 54538, Korea
| | - Hong Young Jun
- Medical Convergence Research Center, Wonkwang University Hospital, Iksan 54538, Korea; (H.Y.J.); (K.-H.Y.)
| | - Kwon-Ha Yoon
- Medical Convergence Research Center, Wonkwang University Hospital, Iksan 54538, Korea; (H.Y.J.); (K.-H.Y.)
- Department of Radiology, School of Medicine, Wonkwang University, Iksan, Jeonbuk 570-749, Korea
| | - Myeung Su Lee
- Musculoskeletal and Immune Disease Research Institute, School of Medicine, Wonkwang University, Iksan 54538, Korea; (Y.-H.C.); (C.H.L.)
- Division of Rheumatology, Department of Internal Medicine, Wonkwang University Hospital, Iksan 54538, Korea
- Correspondence: (M.S.L.); (J.-Y.K.); Tel.: +82-63-859-2661 (M.S.L.); +82-63-850-6088 (J.-Y.K.)
| | - Ju-Young Kim
- Musculoskeletal and Immune Disease Research Institute, School of Medicine, Wonkwang University, Iksan 54538, Korea; (Y.-H.C.); (C.H.L.)
- Correspondence: (M.S.L.); (J.-Y.K.); Tel.: +82-63-859-2661 (M.S.L.); +82-63-850-6088 (J.-Y.K.)
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Annand JR, Henderson AR, Cole KS, Maurais AJ, Becerra J, Liu Y, Weerapana E, Koehler AN, Mapp AK, Schindler CS. Gibberellin JRA-003: A Selective Inhibitor of Nuclear Translocation of IKKα. ACS Med Chem Lett 2020; 11:1913-1918. [PMID: 33062173 DOI: 10.1021/acsmedchemlett.9b00613] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 05/21/2020] [Indexed: 01/02/2023] Open
Abstract
The small molecule gibberellin JRA-003 was identified as an inhibitor of the NF-kB (nuclear kappa-light-chain-enhancer of activated B cells) pathway. Here we find that JRA-003 binds to and significantly inhibits the nuclear translocation of pathway-activating kinases IKKα (IκB kinase alpha) and IKKβ (IκB kinase beta). Analogs of JRA-003 were synthesized and NF-κB-inhibiting gibberellins were found to be cytotoxic in cancer-derived cell lines (HS 578T, HCC 1599, RC-K8, Sud-HL4, CA 46, and NCIH 4466). Not only was JRA-003 identified as the most potent synthetic gibberellin against cancer-derived cell lines, it displayed no cytotoxicity in cells derived from noncancerous sources (HEK 293T, HS 578BST, HS 888Lu, HS 895Sk, HUVEC). This selectivity suggests a promising approach for the development of new therapeutics.
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Affiliation(s)
- James R. Annand
- Department of Chemistry, Willard-Henry-Dow Laboratory, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109, United States
- Program in Chemical Biology, University of Michigan, 210 Washtenaw Avenue, Ann Arbor, Michigan 48109, United States
| | - Andrew R. Henderson
- Program in Chemical Biology, University of Michigan, 210 Washtenaw Avenue, Ann Arbor, Michigan 48109, United States
| | - Kyle S. Cole
- Department of Chemistry, Merkert Center, Boston College, 2609 Beacon Street., Chestnut Hill, Massachusetts 02467, United States
| | - Aaron J. Maurais
- Department of Chemistry, Merkert Center, Boston College, 2609 Beacon Street., Chestnut Hill, Massachusetts 02467, United States
| | - Jorge Becerra
- Program in Chemical Biology, University of Michigan, 210 Washtenaw Avenue, Ann Arbor, Michigan 48109, United States
| | - Yejun Liu
- Program in Chemical Biology, University of Michigan, 210 Washtenaw Avenue, Ann Arbor, Michigan 48109, United States
| | - Eranthie Weerapana
- Department of Chemistry, Merkert Center, Boston College, 2609 Beacon Street., Chestnut Hill, Massachusetts 02467, United States
| | - Angela N. Koehler
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, 500 Main Street, Cambridge, Massachusetts 02139, United States
| | - Anna K. Mapp
- Department of Chemistry, Willard-Henry-Dow Laboratory, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109, United States
- Program in Chemical Biology, University of Michigan, 210 Washtenaw Avenue, Ann Arbor, Michigan 48109, United States
| | - Corinna S. Schindler
- Department of Chemistry, Willard-Henry-Dow Laboratory, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109, United States
- Program in Chemical Biology, University of Michigan, 210 Washtenaw Avenue, Ann Arbor, Michigan 48109, United States
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Montes M, MacKenzie L, McAllister MJ, Roseweir A, McCall P, Hatziieremia S, Underwood MA, Boyd M, Paul A, Plevin R, MacKay SP, Edwards J. Determining the prognostic significance of IKKα in prostate cancer. Prostate 2020; 80:1188-1202. [PMID: 33258506 DOI: 10.1002/pros.24045] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 07/02/2020] [Indexed: 01/25/2023]
Abstract
BACKGROUND As the survival of castration-resistant prostate cancer (CRPC) remains poor, and the nuclear factor-κB (NF-κB) pathways play key roles in prostate cancer (PC) progression, several studies have focused on inhibiting the NF-κB pathway through generating inhibitory κB kinase subunit α (IKKα) small molecule inhibitors. However, the identification of prognostic markers able to discriminate which patients could benefit from IKKα inhibitors is urgently required. The present study investigated the prognostic value of IKKα, IKKα phosphorylated at serine 180 (p-IKKα S180) and threonine 23 (p-IKKα T23), and their relationship with the androgen receptor (AR) and Ki67 proliferation index to predict patient outcome. METHODS A cohort of 115 patients with hormone-naïve PC (HNPC) and CRPC specimens available were used to assess tumor cell expression of proteins within both the cytoplasm and the nucleus by immunohistochemistry. The expression levels were dichotomized (low vs high) to determine the associations between IKKα, AR, Ki67, and patients'Isurvival. In addition, an analysis was performed to assess potential IKKα associations with clinicopathological and inflammatory features, and potential IKKα correlations with other cancer pathways essential for CRPC growth. RESULTS High levels of cytoplasmic IKKα were associated with a higher cancer-specific survival in HNPC patients with low AR expression (hazards ratio [HR], 0.33; 95% confidence interval [CI] log-rank, 0.11-0.98; P = .04). Furthermore, nuclear IKKα (HR, 2.60; 95% CI, 1.27-5.33; P = .01) and cytoplasmic p-IKKα S180 (HR, 2.10; 95% CI, 1.17-3.76; P = .01) were associated with a lower time to death from recurrence in patients with CRPC. In addition, high IKKα expression was associated with high levels of T-cells (CD3+ P = .01 and CD8+ P = .03) in HNPC; however, under castration conditions, high IKKα expression was associated with high levels of CD68+ macrophages (P = .04), higher Gleason score (P = .01) and more prostate-specific antigen concentration (P = .03). Finally, we identified crosstalk between IKKα and members of the canonical NF-κB pathway in the nucleus of HNPC. Otherwise, IKKα phosphorylated by noncanonical NF-κB and Akt pathways correlated with members of the canonical NF-κB pathway in CRPC. CONCLUSION The present study reports that patients with CRPC expressing high levels of nuclear IKKα or cytoplasmic p-IKKα S180, which associated with a lower time to death from recurrence, may benefit from IKKα inhibitors.
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Affiliation(s)
- Melania Montes
- Unit of Gastrointestinal and Molecular Pathology, Institute of Cancer Sciences, College of Medical, Veterinary and Life Sciences, Institute of Cancer Science, University of Glasgow, Glasgow, UK
| | - Lewis MacKenzie
- Strathclyde Institute of Pharmacy and Biomedical Sciences, Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, UK
| | - Milly J McAllister
- Unit of Gastrointestinal and Molecular Pathology, Institute of Cancer Sciences, College of Medical, Veterinary and Life Sciences, Institute of Cancer Science, University of Glasgow, Glasgow, UK
| | - Antonia Roseweir
- Unit of Gastrointestinal and Molecular Pathology, Institute of Cancer Sciences, College of Medical, Veterinary and Life Sciences, Institute of Cancer Science, University of Glasgow, Glasgow, UK
- Academic Unit of Surgery, School of Medicine, University of Glasgow, Glasgow, UK
| | - Pamela McCall
- Unit of Gastrointestinal and Molecular Pathology, Institute of Cancer Sciences, College of Medical, Veterinary and Life Sciences, Institute of Cancer Science, University of Glasgow, Glasgow, UK
| | - Sophia Hatziieremia
- Unit of Gastrointestinal and Molecular Pathology, Institute of Cancer Sciences, College of Medical, Veterinary and Life Sciences, Institute of Cancer Science, University of Glasgow, Glasgow, UK
| | - Mark A Underwood
- Department of Urology, Queen Elizabeth University Hospital, Glasgow, UK
| | - Marie Boyd
- Strathclyde Institute of Pharmacy and Biomedical Sciences, Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, UK
| | - Andrew Paul
- Strathclyde Institute of Pharmacy and Biomedical Sciences, Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, UK
| | - Robin Plevin
- Strathclyde Institute of Pharmacy and Biomedical Sciences, Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, UK
| | - Simon P MacKay
- Strathclyde Institute of Pharmacy and Biomedical Sciences, Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, UK
| | - Joanne Edwards
- Unit of Gastrointestinal and Molecular Pathology, Institute of Cancer Sciences, College of Medical, Veterinary and Life Sciences, Institute of Cancer Science, University of Glasgow, Glasgow, UK
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Sakowicz A, Bralewska M, Pietrucha T, Habrowska-Górczyńska DE, Piastowska-Ciesielska AW, Gach A, Rybak-Krzyszkowska M, Witas PJ, Huras H, Grzesiak M, Biesiada L. Canonical, Non-Canonical and Atypical Pathways of Nuclear Factor кb Activation in Preeclampsia. Int J Mol Sci 2020; 21:E5574. [PMID: 32759710 PMCID: PMC7432517 DOI: 10.3390/ijms21155574] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Revised: 07/30/2020] [Accepted: 07/31/2020] [Indexed: 01/31/2023] Open
Abstract
Although higher nuclear factor κB (NFκB) expression and activity is observed in preeclamptic placentas, its mechanism of activation is unknown. This is the first study to investigate whether the canonical, non-canonical, or atypical NFκB activation pathways may be responsible for the higher activation of NFκB observed in preeclamptic placentas. The study included 268 cases (130 preeclamptic women and 138 controls). We studied the expression of the genes coding for NFκB activators (NIK, IKKα, IKKβ, and CK2α) and inhibitors (IκBα and IκBβ) using RT-PCR in real time. The RT-PCR results were verified on the protein level using ELISA and Western blot. To determine the efficiency of the pathways, the ratios of activator(s) to one of the inhibitors (IκBα or IκBβ) were calculated for each studied pathway. The preeclamptic placentas demonstrated significantly lower IKKα and CK2α but higher IκBα and IκBβ protein levels. In addition, the calculated activator(s) to inhibitor (IκBα or IκBβ) ratios suggested that all studied pathways might be downregulated in preeclamptic placentas. Our results indicate that preeclamptic placentas may demonstrate mechanisms of NFκB activation other than the canonical, non-canonical, and atypical forms. In these mechanisms, inhibitors of NFκB may play a key role. These observations broaden the existing knowledge regarding the molecular background of preeclampsia development.
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Affiliation(s)
- Agata Sakowicz
- Medical University of Lodz, Department of Medical Biotechnology, 90-752 Lodz, Poland; (M.B.); (T.P.)
| | - Michalina Bralewska
- Medical University of Lodz, Department of Medical Biotechnology, 90-752 Lodz, Poland; (M.B.); (T.P.)
| | - Tadeusz Pietrucha
- Medical University of Lodz, Department of Medical Biotechnology, 90-752 Lodz, Poland; (M.B.); (T.P.)
| | | | | | - Agnieszka Gach
- Department of Genetics, Polish Mother’s Memorial Hospital-Research Institute in Lodz, 93-338 Lodz, Poland;
| | - Magda Rybak-Krzyszkowska
- Department of Obstetrics and Perinatology, University Hospital in Krakow, 31-501 Krakow, Poland; (M.R.-K.); (H.H.)
| | - Piotr J Witas
- Medical University of Lodz, Department of Haemostatic Disorders, 92-215 Lodz, Poland;
| | - Hubert Huras
- Department of Obstetrics and Perinatology, University Hospital in Krakow, 31-501 Krakow, Poland; (M.R.-K.); (H.H.)
| | - Mariusz Grzesiak
- Department of Perinatology, Obstetrics and Gynecology, Polish Mother’s Memorial Hospital-Research Institute in Lodz, 93-338 Lodz, Poland;
- Medical University of Lodz, Department of Obstetrics and Gynecology, 93-338 Lodz, Poland
| | - Lidia Biesiada
- Department of Obstetrics and Gynecology, Polish Mother’s Memorial Hospital-Research Institute, 93-338 Lodz, Poland;
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40
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Sevoflurane Preconditioning Prevents Septic Myocardial Dysfunction in Lipopolysaccharide-Challenged Mice. J Cardiovasc Pharmacol 2020; 74:462-473. [PMID: 31425341 DOI: 10.1097/fjc.0000000000000734] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Myocardial dysfunction accompanied by severe sepsis could significantly increase the mortality rate of septic patients. This study investigated the effects and the potential mechanisms of sevoflurane preconditioning on septic myocardial dysfunction, which was induced by lipopolysaccharide (LPS; from Escherichia coli O55:B5; 18 mg/kg) in mice. Results indicated that 1 hour after the administration, LPS induced a significant increase in cell-surface Toll-like receptor 4 (TLR4), cytoplasmic IKKα protein expression, and nuclear translocation of nuclear factor kappa-B (NF-κB) protein (P < 0.05), which was attenuated by preconditioning with sevoflurane. Two hours after the administration, inhalation of sevoflurane significantly reduced the serum levels of tumor necrosis factor-alpha (TNF-α), interleukin (IL)-1β, and IL-10 (P < 0.05). Twelve hours after administration, LPS caused pathological damage to the heart and elevated the serum levels of lactate dehydrogenase (LDH) and creatine kinase-MB (P < 0.05). Echocardiography indicated that sevoflurane preconditioning significantly improved systolic and diastolic function. The inhalation of sevoflurane inhibited increases in myeloperoxidase (MPO), macrophage inflammatory protein-2 (MIP-2), TNF-α, and IL-1β levels (P < 0.05) induced by endotoxemia, whereas IL-6 release was facilitated. Sevoflurane attenuated the myocardial levels of nitric oxide (P < 0.05) without an apparent influence on malondialdehyde (MDA) or superoxide dismutase (P > 0.05). In conclusion, our study indicates that exposure to 2% sevoflurane before LPS challenge is protective against myocardial dysfunction. Sevoflurane preconditioning may attenuate neutrophil infiltration and the release of inflammatory mediators during endotoxemia.
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41
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Armache A, Yang S, Martínez de Paz A, Robbins LE, Durmaz C, Cheong JQ, Ravishankar A, Daman AW, Ahimovic DJ, Klevorn T, Yue Y, Arslan T, Lin S, Panchenko T, Hrit J, Wang M, Thudium S, Garcia BA, Korb E, Armache KJ, Rothbart SB, Hake SB, Allis CD, Li H, Josefowicz SZ. Histone H3.3 phosphorylation amplifies stimulation-induced transcription. Nature 2020; 583:852-857. [PMID: 32699416 PMCID: PMC7517595 DOI: 10.1038/s41586-020-2533-0] [Citation(s) in RCA: 81] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Accepted: 05/05/2020] [Indexed: 01/07/2023]
Abstract
Complex organisms can rapidly induce select genes in response to diverse environmental cues. This regulation occurs in the context of large genomes condensed by histone proteins into chromatin. The sensing of pathogens by macrophages engages conserved signalling pathways and transcription factors to coordinate the induction of inflammatory genes1-3. Enriched integration of histone H3.3, the ancestral histone H3 variant, is a general feature of dynamically regulated chromatin and transcription4-7. However, how chromatin is regulated at induced genes, and what features of H3.3 might enable rapid and high-level transcription, are unknown. The amino terminus of H3.3 contains a unique serine residue (Ser31) that is absent in 'canonical' H3.1 and H3.2. Here we show that this residue, H3.3S31, is phosphorylated (H3.3S31ph) in a stimulation-dependent manner along rapidly induced genes in mouse macrophages. This selective mark of stimulation-responsive genes directly engages the histone methyltransferase SETD2, a component of the active transcription machinery, and 'ejects' the elongation corepressor ZMYND118,9. We propose that features of H3.3 at stimulation-induced genes, including H3.3S31ph, provide preferential access to the transcription apparatus. Our results indicate dedicated mechanisms that enable rapid transcription involving the histone variant H3.3, its phosphorylation, and both the recruitment and the ejection of chromatin regulators.
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Affiliation(s)
- Anja Armache
- Laboratory of Epigenetics and Immunity, Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, USA
- Laboratory of Chromatin Biology and Epigenetics, The Rockefeller University, New York, NY, USA
| | - Shuang Yang
- MOE Key Laboratory of Protein Sciences, Beijing Advanced Innovation Center for Structural Biology, Beijing Frontier Research Center for Biological Structure, Tsinghua-Peking Joint Center for Life Sciences, Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing, China
| | - Alexia Martínez de Paz
- Laboratory of Epigenetics and Immunity, Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Lexi E Robbins
- Laboratory of Epigenetics and Immunity, Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Ceyda Durmaz
- Laboratory of Epigenetics and Immunity, Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Jin Q Cheong
- Laboratory of Epigenetics and Immunity, Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Arjun Ravishankar
- Laboratory of Epigenetics and Immunity, Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Andrew W Daman
- Laboratory of Epigenetics and Immunity, Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Dughan J Ahimovic
- Laboratory of Epigenetics and Immunity, Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Thaís Klevorn
- Laboratory of Epigenetics and Immunity, Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Yuan Yue
- MOE Key Laboratory of Protein Sciences, Beijing Advanced Innovation Center for Structural Biology, Beijing Frontier Research Center for Biological Structure, Tsinghua-Peking Joint Center for Life Sciences, Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing, China
| | - Tanja Arslan
- Adolf-Butenandt Institute, Ludwig-Maximilians University, Munich, Germany
| | - Shu Lin
- Epigenetics Institute, Department of Biochemistry and Biophysics, University of Pennsylvania, Philadelphia, PA, USA
| | - Tanya Panchenko
- Laboratory of Chromatin Biology and Epigenetics, The Rockefeller University, New York, NY, USA
- Perlmutter Cancer Center, New York University Langone Medical Center, New York, NY, USA
| | - Joel Hrit
- Center for Epigenetics, Van Andel Institute, Grand Rapids, MI, USA
| | - Miao Wang
- Skirball Institute of Biomolecular Medicine, Department of Biochemistry and Molecular Pharmacology, New York University School of Medicine, New York, NY, USA
| | - Samuel Thudium
- Department of Genetics, Epigenetics Institute, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | - Benjamin A Garcia
- Adolf-Butenandt Institute, Ludwig-Maximilians University, Munich, Germany
| | - Erica Korb
- Department of Genetics, Epigenetics Institute, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | - Karim-Jean Armache
- Skirball Institute of Biomolecular Medicine, Department of Biochemistry and Molecular Pharmacology, New York University School of Medicine, New York, NY, USA
| | - Scott B Rothbart
- Center for Epigenetics, Van Andel Institute, Grand Rapids, MI, USA
| | - Sandra B Hake
- Adolf-Butenandt Institute, Ludwig-Maximilians University, Munich, Germany
- Institute for Genetics, Justus-Liebig-University, Giessen, Germany
| | - C David Allis
- Laboratory of Chromatin Biology and Epigenetics, The Rockefeller University, New York, NY, USA
| | - Haitao Li
- MOE Key Laboratory of Protein Sciences, Beijing Advanced Innovation Center for Structural Biology, Beijing Frontier Research Center for Biological Structure, Tsinghua-Peking Joint Center for Life Sciences, Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing, China.
| | - Steven Z Josefowicz
- Laboratory of Epigenetics and Immunity, Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, USA.
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Ozdemir Kutbay N, Biray Avci C, Sarer Yurekli B, Caliskan Kurt C, Shademan B, Gunduz C, Erdogan M. Effects of metformin and pioglitazone combination on apoptosis and AMPK/mTOR signaling pathway in human anaplastic thyroid cancer cells. J Biochem Mol Toxicol 2020; 34:e22547. [PMID: 32589349 DOI: 10.1002/jbt.22547] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 04/28/2020] [Accepted: 05/29/2020] [Indexed: 02/06/2023]
Abstract
Anaplastic cancer constitutes 1% of thyroid cancers, and it is one of the most aggressive cancers. Treatment options are external radiation therapy and/or chemotherapy. The success rate with these treatment modalities is not satisfactory. We aimed to evaluate the effects of metformin (MET) and pioglitazone (PIO) combination on apoptosis and AMP-activated protein kinase/mammalian target of rapamycin (mTOR) signaling pathway in human anaplastic thyroid cancer cells. In this study, we evaluated the effects of MET and PIO individually and the combination of the two drugs on the cellular lines SW1736 and C643 ATC. Genes contained in the mTOR signaling pathway were examined using human mTOR Signalization RT2 Profiler PCR Array. In C643 and SW1736 cell lines, IC50 doses of MET and PIO were found out as 17.69 mM, 11.64 mM, 27.12 µM, and 23.17 µM. Also, the combination of MET and PIO was determined as an additive according to isobologram analyses. We have found the downregulation of the expression levels of oncogenic genes: AKT3, CHUK, CDC42, EIF4E, HIF1A, IKBKB, ILK, MTOR, PIK3CA, PIK3CG, PLD1, PRKCA, and RICTOR genes, in the MET and PIO combination-treated cells. In addition, expression levels of tumor suppressor genes, DDIT4, DDIT4L, EIF4EBP1, EIF4EBP2, FKBP1A, FKBP8, GSK3B, MYO1C, PTEN, ULK1, and ULK2, were found to have increased significantly. The MET + PIO combination was first applied to thyroid cancer cells, and significant reductions in the level of oncogenic genes were detected. The decreases, particularly, in AKT3, DEPTOR, EIF4E, ILK, MTOR, PIK3C, and PRKCA expressions indicate that progression can be prevented in thyroid cancer cells and these genes could be selected as therapeutic targets.
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Affiliation(s)
- Nilufer Ozdemir Kutbay
- Department of Endocrinology, Faculty of Medicine, Celal Bayar University, Manisa, Turkey
| | - Cigir Biray Avci
- Department of Medical Biology, Ege University Medical School, Izmir, Turkey
| | - Banu Sarer Yurekli
- Department of Endocrinology, Ege University Medical School, Izmir, Turkey
| | | | - Behrouz Shademan
- Department of Medical Biology, Ege University Medical School, Izmir, Turkey
| | - Cumhur Gunduz
- Department of Medical Biology, Ege University Medical School, Izmir, Turkey
| | - Mehmet Erdogan
- Department of Endocrinology, Ege University Medical School, Izmir, Turkey
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43
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He L, Zhao Y, Tang L, Yu X, Ye Z, Lin H, Zhang Y, Li S, Lu D. Molecular characterization and functional analysis of IKKα in orange-spotted grouper (Epinephelus coioides). FISH & SHELLFISH IMMUNOLOGY 2020; 101:159-167. [PMID: 32194248 DOI: 10.1016/j.fsi.2020.03.029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 03/12/2020] [Accepted: 03/14/2020] [Indexed: 06/10/2023]
Abstract
Inhibitor of nuclear factor kappa-B kinase subunit alpha (IKKα) plays crucial roles in regulating activation of nuclear factor kappa-B (NF-κB) in response to pathogens infections. Here, we cloned and identified IKKα gene of orange-spotted grouper (Epinephelus coioides), named as EcIKKα. The gene transcript contained a 2262 bp open reading frame, which encoded 753 amino acids. The typically conserved IKKα structure, including serine kinase domain (KD), leucine chain (LZ) structure, helix-loop-helix (HLH) motif and IKKβ-NEMO-binding domain, was identified in EcIKKα. Phylogenetic analysis suggested that EcIKKα had the closest relationship with large yellow croaker (Larimichthy crocea) IKKα. Ecikkα was ubiquitously expressed in all tissues tested and the highest expression level was in ovary. After lipopolysaccharide (LPS), flagellin, polyinosinic-polycytidylic acid (poly I:C), polyadenylic-polyuridylic acid (poly A:U), and Vibrio parahaemolyticus stimulation, the expression of Ecikkα increased in grouper spleen (GS) cells. In the luciferase assay, NF-κB-luc activity was significantly up-regulated when human embryonic kidney 293T (HEK 293T) cells were transfected with EcIKKα plasmid. Moreover, overexpression of EcIKKα significantly increased LPS- and flagellin-induced proinflammatory cytokines (interleukin-6 (il-6) and tumor necrosis factor-α (tnf-α)) expression, but did not significantly affect poly I:C- and poly A:U-induced cytokines (il-6 and tnf-α) expression. Overall, these results suggested that EcIKKα functions like that of mammals to activate NF-κB, and it could be involved in host defense against invading pathogens.
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Affiliation(s)
- Liangge He
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory for Aquatic Economic Animals and Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, PR China
| | - Yulin Zhao
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory for Aquatic Economic Animals and Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, PR China
| | - Lin Tang
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory for Aquatic Economic Animals and Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, PR China
| | - Xue Yu
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory for Aquatic Economic Animals and Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, PR China
| | - Zhifeng Ye
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory for Aquatic Economic Animals and Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, PR China
| | - Haoran Lin
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory for Aquatic Economic Animals and Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, PR China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266373, PR China; College of Ocean, Hainan University, Haikou, 570228, PR China
| | - Yong Zhang
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory for Aquatic Economic Animals and Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, PR China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266373, PR China
| | - Shuisheng Li
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory for Aquatic Economic Animals and Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, PR China.
| | - Danqi Lu
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory for Aquatic Economic Animals and Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, PR China.
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Han Y, Li X, Zhang X, Gao Y, Qi R, Cai R, Qi Y. Isodeoxyelephantopin, a sesquiterpene lactone from Elephantopus scaber Linn., inhibits pro-inflammatory mediators' production through both NF-κB and AP-1 pathways in LPS-activated macrophages. Int Immunopharmacol 2020; 84:106528. [PMID: 32335480 DOI: 10.1016/j.intimp.2020.106528] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Revised: 04/11/2020] [Accepted: 04/17/2020] [Indexed: 12/19/2022]
Abstract
Isodeoxyelephantopin (IDET) has been identified as an anti-tumor natural constituent whose anti-tumor activity and mechanism have been widely investigated. Since the occurrence and development of cancer usually accompany with inflammation, and tumor signaling shares many components with inflammation signaling, the agents with anti-tumor activity are likely to possess anti-inflammation potential. Thus, the current study aims to demonstrate the anti-inflammatory activity along with the underlying mechanism of IDET in lipopolysaccharide (LPS)-primed macrophages. By using Griess method and ELISA, we found that in both bone marrow derived macrophages and alveolar macrophage cell line, IDET, at relatively low concentrations (0.75, 1.5 and 3 μM), could inhibit LPS-induced expression of various pro-inflammatory mediators including nitric oxide (NO) generated by inducible nitric oxide synthase (iNOS), interleukin (IL)-6, monocyte chemotactic protein-1 (MCP-1) and IL-1β. Meanwhile, in activated MH-S cells, the inhibitory action of IDET on mRNA expression levels of these cytokines was also detected using qPCR. Mechanistically, the effects of IDET on two key inflammatory signalings, nuclear factor-κB (NF-κB) and activator protein-1 (AP-1) pathways, were determined in LPS-activated MH-S cells by reporter gene along with western blot assays. On the one hand, IDET suppressed NF-κB signaling via down-regulating phosphorylation and degradation of inhibitor of NF-κB (IκB)-α and the subsequent p65 translocation. On the other hand, IDET dampened AP-1 signaling through attenuating phosphorylation of both c-jun N-terminal kinase 1/2 (JNK1/2) and extracellular signal regulated kinase 1/2 (ERK1/2). Our study indicates that IDET might be a promising constituent from the anti-inflammatory herb Elephantopus scaber Linn. in mitigating inflammatory conditions, especially respiratory inflammation.
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Affiliation(s)
- Yixin Han
- Institute of Medicinal Plant Development, Chinese Academy of Medical Science & Peking Union Medical College, Beijing, China
| | - Ximeng Li
- Institute of Medicinal Plant Development, Chinese Academy of Medical Science & Peking Union Medical College, Beijing, China
| | - Xiaoyu Zhang
- Institute of Medicinal Plant Development, Chinese Academy of Medical Science & Peking Union Medical College, Beijing, China
| | - Yuan Gao
- Institute of Medicinal Plant Development, Chinese Academy of Medical Science & Peking Union Medical College, Beijing, China
| | - Ruijuan Qi
- Institute of Medicinal Plant Development, Chinese Academy of Medical Science & Peking Union Medical College, Beijing, China
| | - Runlan Cai
- Institute of Medicinal Plant Development, Chinese Academy of Medical Science & Peking Union Medical College, Beijing, China
| | - Yun Qi
- Institute of Medicinal Plant Development, Chinese Academy of Medical Science & Peking Union Medical College, Beijing, China.
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45
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Tan Q, Zou S, Jin R, Hu Y, Xu H, Wang H, Ding M, Hu M, Wei C, Song L. Selective degradation of IKKα by autophagy is essential for arsenite-induced cancer cell apoptosis. Cell Death Dis 2020; 11:222. [PMID: 32265434 PMCID: PMC7138825 DOI: 10.1038/s41419-020-2420-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 03/18/2020] [Accepted: 03/19/2020] [Indexed: 12/01/2022]
Abstract
Two catalytic subunits of the IKK complex, IKKα and IKKβ, trigger NF-κB activation as well as NF-κB-independent signaling events under both physiological and pathological conditions. Here we identified the NF-κB-unrelated cytoprotective function of IKKα in promoting autophagy by triggering p53 transactivation and upregulation of its downstream autophagic mediator, DRAM1, in the arsenite-treated hepatoma cells, which responses depended on IKKα kinase activity. Furthermore, IKKα triggered p53/DRAM1-dependent autophagy by inducing CHK1 activation and CHK1/p53 interaction. Interestingly, after provoking autophagy, IKKα could be specifically recognized by the autophagic machinery via directly binding with LC3B, resulting in selective degradation of IKKα by autophagy. Unexpectedly, the selectivity of autophagic sequestration towards IKKα was mediated by novel mechanism independent of the classical LC3-interacting regions (LIRs) within IKKα, while C-terminal arm of LIR was involved in mediating IKKα/LC3B interaction. Taken together, we conclude that IKKα attenuates arsenite-induced apoptosis by inducing p53-dependent autophagy, and then selective feedback degradation of IKKα by autophagy contributes to the cytotoxic response induced by arsenite.
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Affiliation(s)
- Qixing Tan
- Institute of Military Cognitive and Brain Sciences, 27 Taiping Road, Beijing, 100850, P. R. China.,Department of Breast Surgery, Guangxi Medical University Tumor Hospital, 71 Hedi Road, Nanning, 530021, P. R. China
| | - Shuxian Zou
- Institute of Military Cognitive and Brain Sciences, 27 Taiping Road, Beijing, 100850, P. R. China
| | - Rui Jin
- Department of Tumor Biology, Beijing Institute of Biotechnology, 27 Taiping Road, Beijing, 100850, P. R. China
| | - Yongliang Hu
- Institute of Military Cognitive and Brain Sciences, 27 Taiping Road, Beijing, 100850, P. R. China.,Department of Dermatology, The 8th Medical Center of Chinese PLA, 17 Heishanhu Street, Beijing, 100091, P. R. China
| | - Huan Xu
- Institute of Military Cognitive and Brain Sciences, 27 Taiping Road, Beijing, 100850, P. R. China.,Anhui Medical University, 81 Meishan Road, Hefei, 230032, P. R. China
| | - Hongli Wang
- Institute of Military Cognitive and Brain Sciences, 27 Taiping Road, Beijing, 100850, P. R. China
| | - Mengnan Ding
- Institute of Military Cognitive and Brain Sciences, 27 Taiping Road, Beijing, 100850, P. R. China
| | - Meiru Hu
- Institute of Military Cognitive and Brain Sciences, 27 Taiping Road, Beijing, 100850, P. R. China
| | - Changyuan Wei
- Department of Breast Surgery, Guangxi Medical University Tumor Hospital, 71 Hedi Road, Nanning, 530021, P. R. China
| | - Lun Song
- Institute of Military Cognitive and Brain Sciences, 27 Taiping Road, Beijing, 100850, P. R. China. .,Anhui Medical University, 81 Meishan Road, Hefei, 230032, P. R. China.
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46
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Mo M, Li S, Dong Z, Li C, Sun Y, Li A, Zhao Z. S-allylmercaptocysteine ameliorates lipopolysaccharide-induced acute lung injury in mice by inhibiting inflammation and oxidative stress via nuclear factor kappa B and Keap1/Nrf2 pathways. Int Immunopharmacol 2020; 81:106273. [PMID: 32070920 DOI: 10.1016/j.intimp.2020.106273] [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: 11/19/2019] [Revised: 01/19/2020] [Accepted: 01/30/2020] [Indexed: 10/24/2022]
Abstract
The garlic-derived organosulfur compound S-allylmercaptocysteine (SAMC) has been reported to exhibit anti-inflammatory and anti-oxidative activities, whereas its potential therapeutic effect on lipopolysaccharide (LPS)-induced acute lung injury (ALI) is unknown. In this study, we focused on exploring the therapeutic effects of SAMC on LPS-induced ALI mice and the involvement of underlying molecular mechanisms. BalB/c mice were treated with SAMC (10, 30 and 60 mg/kg) or positive control N-acetylcysteine (NAC, 500 mg/kg) by gavage after intratracheal instillation of LPS for 30 min and were sacrificed 24 h after LPS administration. Our results indicate that the treatment with SAMC not only ameliorated the histological changes but also decreased LPS-triggered lung edema. Moreover, SAMC displayed an anti-inflammatory effect through reducing inflammatory cells infiltration, myeloperoxidase (MPO) formation and inhibiting pro-inflammatory cytokines/mediator production including tumor necrosis factor alpha (TNF-α), interleukin-1β (IL-1β), interleukin-6 (IL-6), inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX2) via suppressing the activation of nuclear factor-kappaB (NF-κB) signaling pathway. Furthermore, SAMC attenuated oxidative stress evoked by LPS via diminishing malondialdehyde (MDA) formation and reversing glutathione (GSH) and superoxide dismutase (SOD) depletion. Meanwhile, SAMC up-regulated expressions of endogenous antioxidant/detoxifying proteins including heme oxygenase-1 (HO-1) and NAD(P)H: quinone oxidoreductase 1(NQO1) through reversing the suppression of Kelch-like ECH-associated protein 1 (Keap1)/nuclear factor erythroid-2 related factor 2 (Nrf2) signaling pathway. Our results demonstrate that SAMC effectively attenuated LPS-induced ALI which was largely dependent upon inhibition of inflammation and oxidative stress via NF-κB and Keap1/Nrf2 signaling pathways.
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Affiliation(s)
- Min Mo
- School of Pharmaceutical Sciences, Shandong University, 44 West Wenhua Road, Jinan, Shandong 250012, China; Shandong Key University Laboratory of Pharmaceutics & Drug Delivery Systems, 44 West Wenhua Road, Jinan, Shandong 250012, China
| | - Siying Li
- School of Basic Medical Sciences, Shandong University, 44 West Wenhua Road, Jinan, Shandong 250012, China
| | - Zhonghua Dong
- School of Pharmaceutical Sciences, Shandong University, 44 West Wenhua Road, Jinan, Shandong 250012, China; Shandong Key University Laboratory of Pharmaceutics & Drug Delivery Systems, 44 West Wenhua Road, Jinan, Shandong 250012, China
| | - Chunyan Li
- School of Pharmaceutical Sciences, Shandong University, 44 West Wenhua Road, Jinan, Shandong 250012, China; Shandong Key University Laboratory of Pharmaceutics & Drug Delivery Systems, 44 West Wenhua Road, Jinan, Shandong 250012, China
| | - Yueyue Sun
- School of Pharmaceutical Sciences, Shandong University, 44 West Wenhua Road, Jinan, Shandong 250012, China; Shandong Key University Laboratory of Pharmaceutics & Drug Delivery Systems, 44 West Wenhua Road, Jinan, Shandong 250012, China
| | - Ang Li
- Department of Pharmacy, The Second Hospital of Shandong University, Jinan, Shandong 250033, China
| | - Zhongxi Zhao
- School of Pharmaceutical Sciences, Shandong University, 44 West Wenhua Road, Jinan, Shandong 250012, China; Shandong Key University Laboratory of Pharmaceutics & Drug Delivery Systems, 44 West Wenhua Road, Jinan, Shandong 250012, China.
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Shoji S, Hanada K, Takahashi M, Watanabe K, Yonemochi M, Tomabechi Y, Shirouzu M. The NF-κB regulator IκBβ exhibits different molecular interactivity and phosphorylation status from IκBα in an IKK2-catalysed reaction. FEBS Lett 2020; 594:1532-1549. [PMID: 32017069 DOI: 10.1002/1873-3468.13752] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 01/06/2020] [Accepted: 01/21/2020] [Indexed: 12/13/2022]
Abstract
Activation of the nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) transcription factor, a central player in immune response regulation, is based on phosphorylation of inhibitor of kappaB alpha (IκBα) by the Inhibitor of kappaB kinase (IKK) that triggers IκBα degradation. Although inhibitor of kappaB beta (IκBβ) is structurally similar to IκBα, its precise characteristics remain undefined. Herein, we report that the molecular interactivity of IκBβ with the kinase-active region of IKK subunit 2 (IKK2), as well as its phosphorylation status, differs markedly from those of IκBα. A mass spectrometry analysis revealed that IκBβ phosphorylation sites are distributed in its C-terminal region, whereas IκBα phosphorylation sites are located in the N-terminal region. Furthermore, IKK2 phosphorylation sites in IκBβ are found in a region distinct from typical degradation signals, such as phosphodegron and proline/glutamic acid/serine/threonine-rich sequence (PEST) motifs. Mutation of the IκBβ phosphorylation sites enhances its resistance to homeostatic proteasomal degradation. These findings contribute a novel concept in NF-κB/IKK signalling research.
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Affiliation(s)
- Shisako Shoji
- RIKEN Center for Biosystems Dynamics Research, Yokohama, Japan
| | - Kazuharu Hanada
- RIKEN Center for Biosystems Dynamics Research, Yokohama, Japan
| | | | | | | | - Yuri Tomabechi
- RIKEN Center for Biosystems Dynamics Research, Yokohama, Japan
| | - Mikako Shirouzu
- RIKEN Center for Biosystems Dynamics Research, Yokohama, Japan
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Tommasi S, Yoon JI, Besaratinia A. Secondhand Smoke Induces Liver Steatosis through Deregulation of Genes Involved in Hepatic Lipid Metabolism. Int J Mol Sci 2020; 21:E1296. [PMID: 32075112 PMCID: PMC7072934 DOI: 10.3390/ijms21041296] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 02/05/2020] [Accepted: 02/13/2020] [Indexed: 12/24/2022] Open
Abstract
We investigated the role of secondhand smoke (SHS) exposure, independently of diet, in the development of chronic liver disease. Standard diet-fed mice were exposed to SHS (5 h/day, 5 days/week for 4 months). Genome-wide gene expression analysis, together with molecular pathways and gene network analyses, and histological examination for lipid accumulation, inflammation, fibrosis, and glycogen deposition were performed on the liver of SHS-exposed mice and controls, upon termination of exposure and after one-month recovery in clean air. Aberrantly expressed transcripts were found in the liver of SHS-exposed mice both pre- and post-recovery in clean air (n = 473 vs. 222). The persistent deregulated transcripts (n = 210) predominantly affected genes and functional networks involved in lipid metabolism as well as in the regulation of the endoplasmic reticulum where manufacturing of lipids occurs. Significant hepatic fat accumulation (steatosis) was observed in the SHS-exposed mice, which progressively increased as the animals underwent recovery in clean air. Moderate increases in lobular inflammation infiltrates and collagen deposition as well as loss of glycogen were also detectable in the liver of SHS-exposed mice. A more pronounced phenotype, manifested as a disrupted cord-like architecture with foci of necrosis, apoptosis, inflammation, and macrovesicular steatosis, was observed in the liver of SHS-exposed mice post-recovery. The progressive accumulation of hepatic fat and other adverse histological changes in the SHS-exposed mice are highly consistent with the perturbation of key lipid genes and associated pathways in the corresponding animals. Our data support a role for SHS in the genesis and progression of metabolic liver disease through deregulation of genes and molecular pathways and functional networks involved in lipid homeostasis.
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Affiliation(s)
- Stella Tommasi
- Department of Preventive Medicine, USC Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA;
| | - Jae-In Yoon
- Department of Cancer Biology, Beckman Research Institute of the City of Hope, Duarte, CA 91010, USA;
| | - Ahmad Besaratinia
- Department of Preventive Medicine, USC Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA;
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Szczepaniak A, Fichna J, Zielińska M. Opioids in Cancer Development, Progression and Metastasis: Focus on Colorectal Cancer. Curr Treat Options Oncol 2020; 21:6. [PMID: 31970561 PMCID: PMC6976545 DOI: 10.1007/s11864-019-0699-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
OPINION STATEMENT So far, opioids have been successfully used to reduce cancer pain in patients in order to improve their quality of life. However, the use of opioids leads to numerous side effects such as constipation, drowsiness, nausea, itching, increased sweating and hormonal changes. In this review, we described the action of opioids in several molecular pathways significant for maintenance of the intestinal homeostasis including the impact on the intestinal epithelium integrity, changes in microbiome composition, modulation of the immune system or induction of apoptosis and inhibition of angiogenesis. We summed up the role of individual opioids in the processes involved in the growth and development of cancer and elucidated if targeting opioid receptors may constitute novel therapeutic option in colon cancer.
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Affiliation(s)
- Adrian Szczepaniak
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Lodz, Poland
| | - Jakub Fichna
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Lodz, Poland
| | - Marta Zielińska
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Lodz, Poland.
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Wen C, Ying Y, Yu F, Zhou J. Research Progress of Oxidative Stress and MicroRNAs in the Prevention of Catheter-Related Thrombus Under Resistance Exercise. Clin Appl Thromb Hemost 2020; 26:1076029620931931. [PMID: 32539445 PMCID: PMC7427020 DOI: 10.1177/1076029620931931] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 04/16/2020] [Accepted: 05/11/2020] [Indexed: 12/16/2022] Open
Abstract
Central venous access devices (CVADs) have completely changed the care for patients who require long-term venous access. With the widespread use of CVADs, the incidence of catheter-related thrombus (CRT) has increased. Catheter-related thrombus is a common complication in patients who use CVADs and is mainly caused by endothelial injury, blood stasis, and hypercoagulability. In recent years, the correlations between oxidative stress (OS) and microRNA (miRNA) and CRT have become a hot topic in clinical research. When a catheter punctures the vessel wall, it causes OS damage to the vascular endothelial cells, leading to a series of CRT diseases. MicroRNAs can regulate the mechanism of thrombus and play an important role in the formation of anti-thrombus. Numerous studies have shown that resistance exercise can reduce the level of OS in vascular endothelial cells, inhibit vascular endothelial cell dysfunction, and maintain the stability of hemodynamics and biochemical state. In the current work, the recent studies on the effects of resistance exercise on OS and miRNA in vascular endothelial cells were reviewed.
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Affiliation(s)
- Cui Wen
- Department of Nursing, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Yanping Ying
- Department of Nursing, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Fu Yu
- Graduate School, Guangxi Medical University, Nanning, Guangxi, China
| | - Jianpeng Zhou
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
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