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Ghoneum A, Gonzalez D, Afify H, Shu J, Hegarty A, Adisa J, Kelly M, Lentz S, Salsbury F, Said N. Compound C Inhibits Ovarian Cancer Progression via PI3K-AKT-mTOR- NFκB Pathway. Cancers (Basel) 2022; 14:5099. [PMID: 36291886 PMCID: PMC9600774 DOI: 10.3390/cancers14205099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 10/03/2022] [Accepted: 10/13/2022] [Indexed: 12/04/2022] Open
Abstract
Epithelial Ovarian cancer (OvCa) is the leading cause of death from gynecologic malignancies in the United States, with most patients diagnosed at late stages. High-grade serous cancer (HGSC) is the most common and lethal subtype. Despite aggressive surgical debulking and chemotherapy, recurrence of chemo-resistant disease occurs in ~80% of patients. Thus, developing therapeutics that not only targets OvCa cell survival, but also target their interactions within their unique peritoneal tumor microenvironment (TME) is warranted. Herein, we report therapeutic efficacy of compound C (also known as dorsomorphin) with a novel mechanism of action in OvCa. We found that CC not only inhibited OvCa growth and invasiveness, but also blunted their reciprocal crosstalk with macrophages, and mesothelial cells. Mechanistic studies indicated that compound C exerts its effects on OvCa cells through inhibition of PI3K-AKT-NFκB pathways, whereas in macrophages and mesothelial cells, CC inhibited cancer-cell-induced canonical NFκB activation. We further validated the specificity of the PI3K-AKT-NFκB as targets of compound C by overexpression of constitutively active subunits as well as computational modeling. In addition, real-time monitoring of OvCa cellular bioenergetics revealed that compound C inhibits ATP production, mitochondrial respiration, and non-mitochondrial oxygen consumption. Importantly, compound C significantly decreased tumor burden of OvCa xenografts in nude mice and increased their sensitivity to cisplatin-treatment. Moreover, compound C re-sensitized patient-derived resistant cells to cisplatin. Together, our findings highlight compound C as a potent multi-faceted therapeutic in OvCa.
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Affiliation(s)
- Alia Ghoneum
- Departments of Cancer Biology, Wake Forest University School of Medicine, Winston Salem, NC 27157, USA
| | - Daniela Gonzalez
- Departments of Cancer Biology, Wake Forest University School of Medicine, Winston Salem, NC 27157, USA
| | - Hesham Afify
- Departments of Cancer Biology, Wake Forest University School of Medicine, Winston Salem, NC 27157, USA
| | - Junjun Shu
- Departments of Cancer Biology, Wake Forest University School of Medicine, Winston Salem, NC 27157, USA
| | - Abigail Hegarty
- Departments of Cancer Biology, Wake Forest University School of Medicine, Winston Salem, NC 27157, USA
| | - Jemima Adisa
- Departments of Cancer Biology, Wake Forest University School of Medicine, Winston Salem, NC 27157, USA
| | - Michael Kelly
- Department of Obstetrics and Gynecology, Wake Forest University School of Medicine, Winston Salem, NC 27157, USA
- Comprehensive Cancer Center, Wake Forest Baptist Health Sciences, Winston Salem, NC 27157, USA
| | - Samuel Lentz
- Department of Obstetrics and Gynecology, Wake Forest University School of Medicine, Winston Salem, NC 27157, USA
- Comprehensive Cancer Center, Wake Forest Baptist Health Sciences, Winston Salem, NC 27157, USA
- Departments of Urology, Wake Forest University School of Medicine, Winston Salem, NC 27157, USA
| | - Freddie Salsbury
- Comprehensive Cancer Center, Wake Forest Baptist Health Sciences, Winston Salem, NC 27157, USA
- Department of Physics, Wake Forest University, Winston Salem, NC 27109, USA
| | - Neveen Said
- Departments of Cancer Biology, Wake Forest University School of Medicine, Winston Salem, NC 27157, USA
- Comprehensive Cancer Center, Wake Forest Baptist Health Sciences, Winston Salem, NC 27157, USA
- Departments of Urology, Wake Forest University School of Medicine, Winston Salem, NC 27157, USA
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Muhammad M, Hassan TM, Baba SS, Radda MI, Mutawakkil MM, Musa MA, AbuBakar S, Loong SK, Yusuf I. Exploring NF κB pathway as a potent strategy to mitigate COVID-19 severe morbidity and mortality. J Public Health Afr 2022; 13:1679. [PMID: 36313924 PMCID: PMC9614690 DOI: 10.4081/jphia.2022.1679] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 05/05/2022] [Indexed: 11/13/2022] Open
Abstract
The pandemic of coronavirus disease 2019 (COVID-19), for which there does not appear to be an approved cure, the primary treatment options consist of non-pharmacological preventive measures and supportive treatment that are aimed at halting the progression of the disease. Nuclear factor kappa B (NFkB) presents a promising therapeutic opportunity to mitigate COVID-19-induced cytokine storm and reduce the risk of severe morbidity and mortality resulting from the disease. However, the effective clinical application of NFkB modulators in COVID-19 is hampered by a number of factors that must be taken into consideration. This paper therefore explored the modulation of the NFB pathway as a potential strategy to mitigate the severe morbidity and mortality caused by COVID-19. The paper also discusses the factors that form the barrier, and it offers potential solutions to the various limitations that may impede the clinical use of NFkB modulators against COVID-19. This paper revealed and identified three key potential solutions for the future clinical use of NFkB modulators against COVID-19. These solutions are pulmonary tissue-specific NFkB blockade, agents that target common regulatory proteins of both canonical and non-canonical NFkB pathways, and monitoring clinical indicators of hyperinflammation and cytokine storm in COVID-19 prior to using NFkB modulators.
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Affiliation(s)
- Mubarak Muhammad
- Department of Physiology, College of Medicine, University of Ibadan, Nigeria,Department of Physiology, College of Medicine, University of Ibadan, Ibadan, Nigeria.
| | - Tasneem M. Hassan
- Department of Physiotherapy, Aminu Kano Teaching Hospital, Kano, Nigeria
| | - Sani S. Baba
- Department of Human Physiology, College of Health Sciences, Bayero University Kano, Nigeria
| | - Mustapha I. Radda
- Department of Human Physiology, College of Health Sciences, Bayero University Kano, Nigeria
| | - Mubarak M. Mutawakkil
- Pharmacology and Therapeutics, College of Health Sciences, Bayero University Kano, Nigeria
| | - Majida A. Musa
- Pharmacology and Therapeutics, College of Health Sciences, Bayero University Kano, Nigeria
| | - Sazaly AbuBakar
- Tropical Infectious Diseases Research and Education Centre, Higher Institution Centre of Excellence, Universiti of Malaya, Kuala Lumpur, Malaysia
| | - Shih Keng Loong
- Tropical Infectious Diseases Research and Education Centre, Higher Institution Centre of Excellence, Universiti of Malaya, Kuala Lumpur, Malaysia
| | - Ibrahim Yusuf
- Department of Pathology, Aminu Kano Teaching Hospital, Kano, Nigeria
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Gęgotek A, Skrzydlewska E. Antioxidative and Anti-Inflammatory Activity of Ascorbic Acid. Antioxidants (Basel) 2022; 11:1993. [PMID: 36290716 PMCID: PMC9598715 DOI: 10.3390/antiox11101993] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 09/30/2022] [Accepted: 10/05/2022] [Indexed: 07/24/2023] Open
Abstract
Ascorbic acid, as a one of the basic exogenous vitamins, occurs in the body in the form of ascorbate, known for its strong antioxidant and anti-inflammatory properties. The presented review shows not only the importance of ascorbate as a free radical scavenger but also summarizes its antioxidant action based on other mechanisms, including the activation of intracellular antioxidant systems and its effect on the NFκB/TNFα pathway and apoptosis. Ascorbate interacts with small-molecule antioxidants, including tocopherol, glutathione, and thioredoxin; it can also stimulate biosynthesis and the activation of antioxidant enzymes, such as superoxide dismutase, catalase, or glutathione peroxidase. Moreover, ascorbate promotes the activity of transcription factors (Nrf2, Ref-1, AP-1), which enables the expression of genes encoding antioxidant proteins. Additionally, it supports the action of other exogenous antioxidants, mainly polyphenols. In this regard, both DNA, proteins, and lipids are protected against oxidation, leading to an inflammatory reaction and even cell death. Although ascorbate has strong antioxidant properties, it can also have pro-oxidant effects in the presence of free transition metals. However, its role in the prevention of DNA mutation, inflammation, and cell apoptosis, especially in relation to cancer cells, is controversial.
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Devanaboyina M, Kaur J, Whiteley E, Lin L, Einloth K, Morand S, Stanbery L, Hamouda D, Nemunaitis J. NF-κB Signaling in Tumor Pathways Focusing on Breast and Ovarian Cancer. Oncol Rev 2022; 16:10568. [PMID: 36531159 PMCID: PMC9756851 DOI: 10.3389/or.2022.10568] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 08/02/2022] [Indexed: 08/30/2023] Open
Abstract
Immune disorders and cancer share a common pathway involving NF-κb signaling. Through involvement with GM-CSF, NF-κB can contribute to proliferation and activation of T- and B- cells as well as immune cell migration to sites of inflammation. In breast cancer, this signaling pathway has been linked to resistance with endocrine and chemotherapies. Similarly, in ovarian cancer, NF-κB influences angiogenesis and inflammation pathways. Further, BRCA1 signaling common to both breast and ovarian cancer also has the capability to induce NF-κB activity. Immunotherapy involving NF-κB can also be implemented to combat chemoresistance. The complex signaling pathways of NF-κB can be harnessed for developing cancer therapeutics to promote immunotherapy for improving patient outcomes.
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Affiliation(s)
- Monika Devanaboyina
- Department of Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States
| | - Jasskiran Kaur
- Department of Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States
| | - Emma Whiteley
- Department of Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States
| | - Leslie Lin
- Department of Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States
| | - Katelyn Einloth
- Department of Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States
| | - Susan Morand
- Department of Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States
| | | | - Danae Hamouda
- Department of Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States
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105
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Luo J, Wang N, Hua L, Deng F, Liu D, Zhou J, Yuan Y, Ouyang F, Chen X, Long S, Huang Y, Hu Z, Zhou H. The Anti-Sepsis Effect of Isocorydine Screened from Guizhou Ethnic Medicine is Closely Related to Upregulation of Vitamin D Receptor Expression and Inhibition of NFκB p65 Translocation into the Nucleus. J Inflamm Res 2022; 15:5649-5664. [PMID: 36211222 PMCID: PMC9541687 DOI: 10.2147/jir.s365191] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 09/02/2022] [Indexed: 11/23/2022] Open
Abstract
Background The anti-inflammatory application of Guizhou ethnic medicine in the Karst area of China is mainly based on folk medicine experience, and there has been a lack of systematic research, leading to limited application of Guizhou ethnic medicine. Purpose To evaluate the anti-inflammatory effects of compounds extracted from Guizhou ethnic medicine in the Karst area and investigate their molecular mechanisms. Methods and Results Preliminarily, the anti-inflammatory effects of 181 compounds extracted from Guizhou ethnic medicine were screened in lipopolysaccharide (LPS)-stimulated peritoneal macrophages and the 41 compounds with anti-inflammatory effects were selected. Then, these 41 compounds with anti-inflammatory effects were investigated for their druggability and 18 compounds were selected. Thirdly, compound Hx-150, named isocorydine, was selected as the candidate compound. In vitro and in vivo, isocorydine inhibited LPS-induced TNF-α and IL-6 release from LPS-treated mouse peritoneal macrophages. Isocorydine decreased TNF-α, IL-6, and IL-1β levels in the blood, lung, and spleen, and ameliorated lung tissue damage. Mechanistically, isocorydine had no effect on the mRNA expressions and protein levels of Tlr4, Myd88, and Traf6. Isocorydine also had no effect on the expression of RelA (encoding NFκB p65) mRNA, but inhibited phosphorylation of IκBα and NFκB p65 in the TLR4-mediated signaling pathway. Furthermore, isocorydine increased the cytoplasmic level of NFκB p65 and decreased its nuclear level in LPS-treated macrophages. Importantly, isocorydine upregulated Vdr mRNA (encoding the vitamin D receptor) expression and increased the nuclear VDR protein level. Conclusion Many compounds from Guizhou ethnic medicine had potential anti-inflammatory activities. Among them, isocorydine has a strong anti-sepsis effect, which is tightly related to its upregulation of VDR expression and inhibition of NFκB p65 translocation into the nucleus, leading to reduced pro-inflammatory cytokines release and protection for LPS-challenged mice.
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Affiliation(s)
- Jing Luo
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, People’s Republic of China
| | - Nuoyan Wang
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, People’s Republic of China
| | - Ling Hua
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, People’s Republic of China
| | - Fei Deng
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, People’s Republic of China
| | - Dan Liu
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, People’s Republic of China
| | - Jun Zhou
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, People’s Republic of China
| | - Yue Yuan
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, People’s Republic of China
| | - Fumin Ouyang
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, People’s Republic of China
| | - Xuemin Chen
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, People’s Republic of China
| | - Shujuan Long
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, People’s Republic of China
| | - Yasi Huang
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, People’s Republic of China
| | - Zhanxing Hu
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, People’s Republic of China,The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang, People’s Republic of China,Zhanxing Hu, State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, People’s Republic of China, Email
| | - Hong Zhou
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, People’s Republic of China,Correspondence: Hong Zhou, Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, People’s Republic of China, Tel +86-085128643451, Fax +86-085128642303, Email
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106
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Chang SY, Kambe N, Fan WL, Huang JL, Lee WI, Wu CY. Incomplete penetrance of NOD2 C483W mutation underlining Blau syndrome. Pediatr Rheumatol Online J 2022; 20:86. [PMID: 36192768 PMCID: PMC9531522 DOI: 10.1186/s12969-022-00743-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 09/13/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Blau syndrome (BS) is a rare autoinflammatory disorder with NOD2 gain-of-function mutation and characterized by autoactivation of the NFκB pathway. Classically considered a disease of high penetrance, reports on NOD2 mutations underlining BS with incomplete penetrance is limited. CASE PRESENTATION The proband is a 9-year-old girl presented with brownish annular infiltrative plaques and symmetric boggy polyarthritis over bilateral wrists and ankles. Her skin biopsy revealed noncaseating granulomas inflammation with multinucleated giant cells. A novel C483W NOD2 mutation was identify in the proband and her asymptomatic father. Functional examinations including autoactivation of the NFκB pathway demonstrated by in vitro HEK293T NOD2 overexpression test as well as intracellular staining of phosphorylated-NFκB in patient's CD11b+ cells were consistent with BS. CONCLUSIONS We reported a novel C483W NOD2 mutation underlining BS with incomplete penetrance. Moreover, a phosphorylated-NFκB intracellular staining assay of CD11b+ was proposed to assist functional evaluation of NFκB autoactivation in patient with BS.
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Affiliation(s)
- Shao-Yu Chang
- grid.145695.a0000 0004 1798 0922College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Naotomo Kambe
- grid.258799.80000 0004 0372 2033Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Wen-Lang Fan
- grid.413801.f0000 0001 0711 0593Genomic Medicine Research Core Laboratory, Chang Gung Memorial Hospital, Taoyuan, Taiwan ,grid.413804.aDepartment of Medical Research, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
| | - Jing-Long Huang
- grid.145695.a0000 0004 1798 0922College of Medicine, Chang Gung University, Taoyuan, Taiwan ,grid.413801.f0000 0001 0711 0593Division of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, No.5 Fu-Hsing St., Taoyuan, Taiwan, R.O.C. ,Department of Pediatrics, New Taipei Municipal TuCheng Hospital, New Taipei City, Taiwan
| | - Wen-I Lee
- grid.145695.a0000 0004 1798 0922College of Medicine, Chang Gung University, Taoyuan, Taiwan ,grid.413801.f0000 0001 0711 0593Division of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, No.5 Fu-Hsing St., Taoyuan, Taiwan, R.O.C.
| | - Chao-Yi Wu
- College of Medicine, Chang Gung University, Taoyuan, Taiwan. .,Division of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, No.5 Fu-Hsing St., Taoyuan, Taiwan, R.O.C..
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Zohny MH, Alrouji M, Alhajlah S, AlOmeir O, Ewees MGED, Ghaffar DMA, El Adle Khalaf N, Mohammed OA, Abdeldaiem MSI, El-Bahouty WB, Elrabat A, Zakaria S, Abdel-Nasser ZM, Haleem AA, El-Gharbawy DM, Abdelhady R, Kaddah MMY, Shata A, Saber S. Diacetylrhein, an anthraquinone antiarthritic agent, suppresses dextran sodium sulfate-induced inflammation in rats: A possible mechanism for a protective effect against ulcerative colitis. Biomed Pharmacother 2022; 154:113651. [PMID: 36081290 DOI: 10.1016/j.biopha.2022.113651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 08/22/2022] [Accepted: 09/01/2022] [Indexed: 11/02/2022] Open
Abstract
Ulcerative colitis (UC) is a chronic inflammatory life-threatening and premalignant disorder with no cure that even might end up with surgical removal of a large section or even all of the colon. It is characterized by relapsing-remitting courses of intestinal inflammation and mucosal damage in which oxidative stress and exaggerated inflammatory response play a significant role. Most of the current medications to maintain remission are symptomatic and have many adverse reactions. Therefore, the potential for improved management of patients with UC continues to increase. Yet, the benefits of using the antiarthritic agent diacetylrhein to counteract inflammation in UC are still obscure. Hence, our study was designed to explore its potential role in UC using a model of dextran sodium sulfate-induced acute colitis in rats. Our results revealed that diacetylrhein targeted the NLRP3 and inhibited the inflammasome assembly. Consequently, caspase-1 activity and the inflammatory cytokines IL-1β and IL-18 were inhibited leading to a curbed pyroptosis process. Additionally, diacetylrhein revealed a significant antiapoptotic potential as revealed by the levels of pro-apoptotic and anti-apoptotic proteins. Concomitant to these effects, diacetylrhein also interrupted NFκB signals leading to improved microscopic features of inflamed colon and decreased colon weight to length ratio, indices of disease activity, and macroscopic damage. Additionally, a reduction in the myeloperoxidase activity, IL-6, and TGF-β alongside an increase in the gene expression of Ocln and ZO-1 were detected. To conclude diacetylrhein showed a significant antioxidant and anti-inflammatory potential and therefore might represent a promising agent in the management of acute UC.
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Affiliation(s)
- Mona H Zohny
- Department of Biochemistry, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa 11152, Egypt
| | - Mohammed Alrouji
- Department of Medical Laboratories, College of Applied Medical Sciences, Shaqra University, Shaqra 11961, Saudi Arabia.
| | - Sharif Alhajlah
- Department of Medical Laboratories, College of Applied Medical Sciences, Shaqra University, Shaqra 11961, Saudi Arabia.
| | - Othman AlOmeir
- Department of Pharmacy Practice, College of Pharmacy, Shaqra University, Shaqra 11961, Saudi Arabia.
| | | | - Dalia M Abdel Ghaffar
- Department of Physiology, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt.
| | - Noura El Adle Khalaf
- Department of Clinical Pharmacology, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt.
| | - Osama A Mohammed
- Department of Clinical Pharmacology, Faculty of Medicine, Ain Shams University, Cairo 11566, Egypt; Department of Clinical Pharmacology, Faculty of Medicine, Bisha University, Bisha 61922, Saudi Arabia.
| | - Mahmoud Said Ibrahim Abdeldaiem
- Clinical Pharmacy Department, School of Pharmaceutical Sciences, Universiti Sains Malaysia, Penang, Malaysia; Pharmacy Practice Department, Faculty of Pharmacy, Sinai University, Ismailia, Egypt.
| | | | - Amr Elrabat
- Gastroenterology and Hepatology Department, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt.
| | - Sahar Zakaria
- Department of Tropical Medicine, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt.
| | - Zeinab M Abdel-Nasser
- Department of Biochemistry, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA), Giza 11787, Egypt.
| | - Amira A Haleem
- Medical Biochemistry Department, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt.
| | - Doaa M El-Gharbawy
- Forensic Medicine and Clinical Toxicology Department, Faculty of Medicine, Tanta University, Tanta 31527, Egypt.
| | - Rasha Abdelhady
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Fayoum University, Fayoum, Egypt.
| | - Mohamed M Y Kaddah
- Pharmaceutical and Fermentation Industries Development Center, City of Scientific Research and Technological Applications, New Borg El-Arab 21934, Alexandria, Egypt.
| | - Ahmed Shata
- Department of Clinical Pharmacology, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt; Department of Clinical Pharmacy, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa 11152, Egypt.
| | - Sameh Saber
- Department of Pharmacology, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa 11152, Egypt.
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Daroi PA, Dhage SN, Juvekar AR. p-Coumaric acid protects against D-galactose induced neurotoxicity by attenuating neuroinflammation and apoptosis in mice brain. Metab Brain Dis 2022; 37:2569-2579. [PMID: 35913570 DOI: 10.1007/s11011-022-01007-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 05/16/2022] [Indexed: 10/16/2022]
Abstract
D-galactose (D-gal) induced senescence in rodents is a widely used model for assessment of molecules affecting brain ageing. Chronic administration of D-gal causes neuroinflammation leading to cognitive deficit and memory impairment which represent Alzheimer's dementia. In present study, we investigated the neuroprotective effects of the natural phenol, p-Coumaric acid (PCA) and its underlying mechanism in the chronic D-gal treated mice. Subcutaneous administration of D-gal (150 mg/kg) to Swiss albino mice for 42 consecutive days resulted in cognitive impairment as observed in Morris water maize (MWM) and Y maze test, which was ameliorated by concurrent treatment with PCA (80 mg/kg, and 100 mg/kg, p.o.). Importantly, PCA treatment attenuated the D-gal induced oxidative stress and significantly inhibited acetylcholinesterase (AChE) activity in mice brain. Furthermore, PCA treatment significantly lowered levels of inflammatory marker nuclear factor kappa B (NFκB) and reduced levels of proapoptotic enzyme caspase3. We also observed that PCA treatment exhibited β-secretase enzyme (BACE1) inhibitory effect. However, our results revealed that PCA treatment failed to decrease the level of advanced glycation end products both in vitro and in vivo. Taken together, current study demonstrated the significant neuroprotective effect of PCA against D-gal induced oxidative stress, neuroinflammation, cognitive impairment and apoptosis.
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Affiliation(s)
- Pratibha Atul Daroi
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Nathalal Parekh Marg, Matunga, Mumbai, Maharashtra, India
| | - Shrikant Ninaji Dhage
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Nathalal Parekh Marg, Matunga, Mumbai, Maharashtra, India
| | - Archana Ramesh Juvekar
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Nathalal Parekh Marg, Matunga, Mumbai, Maharashtra, India.
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Wang N, Yang Y, Liu Y, Huang L, Gu M, Wu Y, Xu L, Sun H, Guo W. Magnolol limits NFκB-dependent inflammation by targeting PPARγ relieving retinal ischemia/reperfusion injury. Int Immunopharmacol 2022; 112:109242. [PMID: 36152538 DOI: 10.1016/j.intimp.2022.109242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 08/29/2022] [Accepted: 09/06/2022] [Indexed: 11/30/2022]
Abstract
BACKGROUND Glaucoma is the leading cause of irreversible blindness in the world. Elevated intraocular pressure (IOP) is recognized as one of the most critical factors, but the loss of retinal ganglia cells (RGCs) often persists when IOP is controlled. Recently, a large number of studies focus on the inflammatory and immune responses in the occurrence and development of glaucoma. Magnolol (MAG), the principal ingredient of magnoliae officinalis cortex, has anti-inflammatory effects, but its role and mechanism in retinal protection need to be further studied. METHODS The neurodegeneration of retina in mice model following ischemia/reperfusion (IR) injury was evaluated by immunohistochemistry, hematoxylin and eosin (H&E) staining and electroretinography (ERG). The inflammation-regulatory effect of MAG was detected by quantitative RT-PCR, western blot, and immunohistochemistry. Peroxisome proliferator-activated receptor-γ (PPARγ) inhibitor assays by H&E staining and western blot were used to test the target and mechanism pathway of MAG. RESULTS We found MAG relieved IR-induced retinal damages and inflammation. Further studies revealed MAG alleviated nuclear factor kappa B (NFκB)-dependent inflammatory process by preserving the expression of NFκB inhibitor alpha (IκBα), and it modulated microglia polarization after IR injury. PPARγ was a primary target of MAG, and treatment with PPARγ inhibitor GW9662 attenuated the neuroprotective and anti-inflammatory effects of MAG. CONCLUSIONS Our findings revealed that MAG inhibits NFκB-dependent inflammatory processes by elevating PPARγ in mice retinas to achieve its neuroprotective role following IR, which suggesting that MAG could be developed to a novel anti-inflammatory therapeutic agent for relieving the progression of glaucoma.
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Affiliation(s)
- Ning Wang
- Department of Ophthalmology, Shanghai 9th People's Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
| | - Yijie Yang
- Department of Ophthalmology, Shanghai 9th People's Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
| | - Yixin Liu
- Department of Ophthalmology, Shanghai 9th People's Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
| | - Lulu Huang
- Department of Ophthalmology, Shanghai 9th People's Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
| | - Mengyang Gu
- Department of Ophthalmology, Shanghai 9th People's Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
| | - Yue Wu
- Department of Ophthalmology, Shanghai 9th People's Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
| | - Li Xu
- Department of Ophthalmology, Shanghai 9th People's Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China.
| | - Hao Sun
- Department of Ophthalmology, Shanghai 9th People's Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China.
| | - Wenyi Guo
- Department of Ophthalmology, Shanghai 9th People's Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China.
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Bisom TC, White LA, Lanchy JM, Lodmell JS. RIOK3 and Its Alternatively Spliced Isoform Have Disparate Roles in the Innate Immune Response to Rift Valley Fever Virus (MP12) Infection. Viruses 2022; 14:v14092064. [PMID: 36146870 PMCID: PMC9502082 DOI: 10.3390/v14092064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 09/15/2022] [Accepted: 09/15/2022] [Indexed: 12/14/2022] Open
Abstract
Rift Valley fever virus (RVFV) is a pathogenic human and livestock RNA virus that poses a significant threat to public health and biosecurity. During RVFV infection, the atypical kinase RIOK3 plays important roles in the innate immune response. Although its exact functions in innate immunity are not completely understood, RIOK3 has been shown to be necessary for mounting an antiviral interferon (IFN) response to RVFV in epithelial cells. Furthermore, after immune stimulation, the splicing pattern for RIOK3 mRNA changes markedly, and RIOK3's dominant alternatively spliced isoform, RIOK3 X2, exhibits an opposite effect on the IFN response by dampening it. Here, we further investigate the roles of RIOK3 and its spliced isoform in other innate immune responses to RVFV, namely the NFκB-mediated inflammatory response. We find that while RIOK3 is important for negatively regulating this inflammatory pathway, its alternatively spliced isoform, RIOK3 X2, stimulates it. Overall, these data demonstrate that both RIOK3 and its X2 isoform have unique roles in separate innate immune pathways that respond to RVFV infection.
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Affiliation(s)
- Thomas C. Bisom
- Department of Chemistry and Biochemistry, University of Montana, Missoula, MT 59801, USA
| | - Luke A. White
- Division of Biological Sciences, University of Montana, Missoula, MT 59801, USA
| | - Jean-Marc Lanchy
- Division of Biological Sciences, University of Montana, Missoula, MT 59801, USA
| | - J. Stephen Lodmell
- Division of Biological Sciences, University of Montana, Missoula, MT 59801, USA
- Center for Biomolecular Structure and Dynamics, University of Montana, Missoula, MT 59801, USA
- Correspondence: ; Tel.: +1-(406)-243-6393
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111
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Chang X, Wang J, Bian J, Liu Z, Guo M, Li Z, Wu Y, Zhai X, Zuo D. 1-(4-((5-chloro-4-((2-(isopropylsulfonyl)phenyl)amino)pyrimidin-2-yl)amino)-3-methoxyphenyl)-3-(2-(dimethylamino)ethyl)imidazolidin-2-one (ZX-42) inhibits cell proliferation and induces apoptosis via inhibiting ALK and its downstream pathways in Karpas299 cells. Toxicol Appl Pharmacol 2022; 450:116156. [PMID: 35803438 DOI: 10.1016/j.taap.2022.116156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 06/27/2022] [Accepted: 07/01/2022] [Indexed: 11/19/2022]
Abstract
Anaplastic lymphoma kinase (ALK) belongs to the family of receptor tyrosine kinases. Recently, the incidence of anaplastic large cell lymphoma (ALCL) with ALK rearrangement has raised considerably. The application of ALK-targeted inhibitors such as ceritinib provides an effective therapy for the treatment of ALK-positive cancers. However, with the prolongation of treatment time, the emergence of resistance is inevitable. We found that 1-(4-((5-chloro-4-((2-(isopropylsulfonyl)phenyl)amino)pyrimidin-2-yl)amino)-3-methoxyphenyl)-3-(2-(dimethylamino)ethyl)imidazolidin-2-one (ZX-42), a novel ceritinib derivative, could inhibit the proliferation of ALK-positive ALCL cells, induce the apoptosis of Karpas299 cells through the mitochondrial pathway in a caspase-dependent manner. In addition, ZX-42 could suppress ALK and downstream pathways including PI3K/Akt, Erk and JAK3/STAT3 and reduce the nuclear translocation of NFκB by inhibiting TRAF2/IKK/IκB pathway. Taken together, our findings indicate that ZX-42 shows more effective activity than ceritinib against ALK-positive ALCL. We hope this study can provide a direction for the structural modification of ceritinib and lay the foundation for the further development of clinical research in ALK-positive ALCL.
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Affiliation(s)
- Xing Chang
- Department of Pharmacology, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Junfang Wang
- Department of Pharmacology, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Jiang Bian
- Department of Pharmacology, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Zi Liu
- Department of Pharmacology, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Ming Guo
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Zengqiang Li
- Department of Pharmacology, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Yingliang Wu
- Department of Pharmacology, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, China
| | - Xin Zhai
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, China.
| | - Daiying Zuo
- Department of Pharmacology, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang 110016, China.
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Kushwaha AC, Mohanbhai SJ, Sardoiwala MN, Jaganathan M, Karmakar S, Roy Choudhury S. Nanoemulsified Genistein and Vitamin D Mediated Epigenetic Regulation to Inhibit Osteoporosis. ACS Biomater Sci Eng 2022; 8:3810-3818. [PMID: 36005299 DOI: 10.1021/acsbiomaterials.2c00165] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The imbalance in the bone remodeling process with more bone resorption by osteoclasts compared to bone formation by osteoblasts results in a metabolic bone disorder known as osteoporosis. This condition reduces the bone mineral density and increases the risk of fractures due to low bone mass and disrupted bone microarchitecture. Osteoclastogenesis increases when the receptor activator NFκB ligand (RANKL) on the osteoblast surface binds to the receptor activator NFκB (RANK) on the osteoclast surface and the function of the decoy receptor of RANKL, osteoprotegrin, is compromised due to external stimuli such as heparin and lipopolysaccharides. The RANK/RANKL axis promotes the nuclear factor kappa B (NFκB) expression, which in turn increases the histone methyltransferase activity of EzH2 and EzH1 for the epigenetic regulation of osteoclastogenesis-related genes. Genistein counteracts NFκB-induced osteoclastogenesis and downstream signaling through the direct regulation of histone methyltransferase, EzH2 and EzH1, transcription. However, genistein possesses limitations like low bioavailability, low water solubility, high estrogen activity, and thyroid side effects, which obstruct its therapeutic usage. Here, the nanoemulsified formulation of genistein with vitamin D was utilized to circumvent the limitations of genistein so that it can be utilized for therapeutic purposes in osteoporosis management. The nanoemulsification of genistein and vitamin D was performed through the spontaneous emulsification using Tween 80 and medium chain triglyceride oil as an organic phase. The physiologically stable and biocompatible combination of the genistein and vitamin D nanoemulsion (GVNE) exhibited the controlled release pattern of genistein with Korsmeyer-Peppas and Higuchi models under different pH conditions (7.4, 6.5, and 1.2). The GVNE potentially enhanced the therapeutic efficacy under in vitro osteoporosis models and helped restore disease parameters like alkaline phosphatase activity, tartrate-resistant acid phosphatase activity, and the formation of multinuclear giant cells. Molecularly, the GVNE overturned the LPS-induced osteoclastogenesis by downregulation of NFκB expression along with its binding on EzH2 and EzH1 promoters. GVNE effects on the osteoporosis model established it as an efficient antiosteoporotic therapy. This nanonutraceutical-based formulation provides an epigenetic regulation of osteoporosis management and opens new avenues for alternate epigenetic therapies for osteoporosis.
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Affiliation(s)
- Avinash Chandra Kushwaha
- Institute of Nano Science and Technology, Knowledge City, Sector-81, Sahibzada Ajit Singh Nagar, Mohali, Punjab 140306, India
| | - Soni Jignesh Mohanbhai
- Institute of Nano Science and Technology, Knowledge City, Sector-81, Sahibzada Ajit Singh Nagar, Mohali, Punjab 140306, India
| | - Mohammed Nadim Sardoiwala
- Institute of Nano Science and Technology, Knowledge City, Sector-81, Sahibzada Ajit Singh Nagar, Mohali, Punjab 140306, India
| | - Mahendran Jaganathan
- Institute of Nano Science and Technology, Knowledge City, Sector-81, Sahibzada Ajit Singh Nagar, Mohali, Punjab 140306, India
| | - Surajit Karmakar
- Institute of Nano Science and Technology, Knowledge City, Sector-81, Sahibzada Ajit Singh Nagar, Mohali, Punjab 140306, India
| | - Subhasree Roy Choudhury
- Institute of Nano Science and Technology, Knowledge City, Sector-81, Sahibzada Ajit Singh Nagar, Mohali, Punjab 140306, India
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113
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Zhang Y, Zhu L, Hong J, Chen C. Extracellular matrix of early pulmonary fibrosis modifies the polarization of alveolar macrophage. Int Immunopharmacol 2022; 111:109179. [PMID: 36029666 DOI: 10.1016/j.intimp.2022.109179] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 08/11/2022] [Accepted: 08/15/2022] [Indexed: 11/19/2022]
Abstract
Macrophage polarization is modulated by many different stimuli. However, the effect of fibrotic extracellular matrix (ECM) on macrophage polarization remains unclear. In this study, a mouse model of radiation induced pulmonary fibrosis (RIPF) was established. Alveolar macrophages (AMs) were seeded on separated decellularized ECM respectively derived from early RIPF lung tissue (dECM-RIPF) and normal lung tissue (dECM-Nor), on which the polarization of AMs was examined. By way of bio-AFM analysis, a significant difference in surface roughness, but no difference in stiffness, was found between dECM-RIPF and dECM-Nor. Compared with dECM-Nor, dECM-RIPF induced a higher M1 activation and increased the levels of TNF-α, IL-6 and IL-1β, while it showed no significant effect M2 density. Nevertheless, such effects induced by dECM-RIPF could be abrogated by the integrin pan-inhibitor. Furthermore, dECM-RIPF caused integrin-dependent activation of NFκB, and NFκB inhibitor was capable of inhibiting dECM-RIPF-induced AMs proliferation and M1 activation. Animal experiments showed that NFκB inhibitor alleviated RIPF mainly through inhibiting M1 activation and down-regulating the levels of inflammatory cytokines. Our results showed that differential biophysical signaling from the fibrotic ECM of early RIPF promoted AMs polarization towards a M1 phenotype via integrin-NFκB. Inhibition of M1 activation may be an attractive approach for treating RIPF.
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Affiliation(s)
- Yanwei Zhang
- School of Pharmacy, Fujian Medical University, Fuzhou, Fujian 350122, China
| | - Lihua Zhu
- School of Pharmacy, Fujian Medical University, Fuzhou, Fujian 350122, China
| | - Jinsheng Hong
- Department of Radiotherapy, Cancer Center, the First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350004, China; Key Laboratory of Radiation Biology of Fujian Higher Education Institutions, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350004, China
| | - Chun Chen
- School of Pharmacy, Fujian Medical University, Fuzhou, Fujian 350122, China; Fujian Key Laboratory of Natural Medicine Pharmacology, Fujian Medical University, Fuzhou, Fujian 350122, China.
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114
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Yue Q, Zhang W, Lin S, Zheng T, Hou Y, Zhang Y, Li Z, Wang K, Yue L, Abay B, Li M, Fan L. Ejiao ameliorates lipopolysaccharide-induced pulmonary inflammation via inhibition of NFκB regulating NLRP3 inflammasome and mitochondrial ROS. Biomed Pharmacother 2022; 152:113275. [PMID: 35714510 DOI: 10.1016/j.biopha.2022.113275] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 06/06/2022] [Accepted: 06/08/2022] [Indexed: 11/19/2022] Open
Abstract
There is no effective treatment for acute lung injury (ALI) at present. Some studies have reported the anti-inflammatory effect of Ejiao, but no study has addressed the underlying action mechanism. In this study, the CCK8 assay displayed Ejiao had a protective effect against LPS-elicited inflammatory lung epithelial Beas 2B cells (LILEB 2B cells). Beas 2B cells treated with LPS and Ejiao were challenged with NFκB inhibitor Bay11-7082 and ROS scavenger N-acetyl cysteine (NAC) alone and in combination. The results of qRT-PCR, Western blotting and fluorescence labeling experiments using Bay11-7082 and NAC demonstrated Ejiao could significantly decrease the expression of p-p65 and p-IκBα in NFκB signaling pathway and its downstream NLRP3, ASC, Caspase-1 and IL-1β related to pyroptosis of LILEB 2B cells. Moreover, Ejiao reduced the production of mitochondrial ROS and reversed the change of mitochondrial membrane potential of LILEB 2B cells. Then, HE staining demonstrated Ejiao had a protective effect against the LPS-elicited ALI mouse model (LAMM). Ejiao also dramatically decreased the cell amount and the overall protein concentration of bronchoalveolar lavage fluid in LAMM. Immunohistochemical staining showed Ejiao remarkably reduced the expression of p-p65 and p-IκBα in NFκB signaling pathway and its downstream NLRP3, ASC, Caspase-1 and IL-1β. The ELISA of IL-1β revealed Ejiao could dose-dependably decrease the concentration of IL-1β in lung tissues, serum and BALF of LAMM. Finally, fluorescence labeling demonstrated Ejiao significantly reduced the mitochondrial ROS generation in the lung tissue of LAMM. This finding may afford a novel strategy for the precaution and therapy of ALI.
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Affiliation(s)
- Qingxi Yue
- Institute of Energy Metabolism and Health, Shanghai 10th People's Hospital, Tongji University School of Medicine, Shanghai, China.
| | - Wen Zhang
- Institute of Energy Metabolism and Health, Shanghai 10th People's Hospital, Tongji University School of Medicine, Shanghai, China; Department of Respiratory Medicine, Shanghai 10th People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Shumeng Lin
- Institute of Energy Metabolism and Health, Shanghai 10th People's Hospital, Tongji University School of Medicine, Shanghai, China; Department of Respiratory Medicine, Shanghai 10th People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Tiansheng Zheng
- Department of Respiratory Medicine, Shanghai 10th People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yaqin Hou
- Department of Respiratory Medicine, Shanghai 10th People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yanfei Zhang
- Department of Respiratory Medicine, Shanghai 10th People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Ziye Li
- Department of Respiratory Medicine, Shanghai 10th People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Kai Wang
- Department of Respiratory Medicine, Shanghai 10th People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Liduo Yue
- Institute of Energy Metabolism and Health, Shanghai 10th People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Baigenzhin Abay
- National Scientific Medical Research Center, Astana, Kazakhstan
| | - Ming Li
- Department of Respiratory Medicine, Shanghai 10th People's Hospital, Tongji University School of Medicine, Shanghai, China.
| | - Lihong Fan
- Institute of Energy Metabolism and Health, Shanghai 10th People's Hospital, Tongji University School of Medicine, Shanghai, China; Department of Respiratory Medicine, Shanghai 10th People's Hospital, Tongji University School of Medicine, Shanghai, China.
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115
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Valenzuela NM. Late phase endothelial cell inflammation is characterized by interferon response genes and driven by JAK/STAT, not NFκB. Vascul Pharmacol 2022; 146:107090. [PMID: 35908591 DOI: 10.1016/j.vph.2022.107090] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 07/20/2022] [Accepted: 07/21/2022] [Indexed: 11/24/2022]
Abstract
Chronic vascular inflammation underlies many diseases, including atherosclerosis, autoimmune vasculitides and transplant rejection. The resolution of inflammation is critical for proper healing and restoration of homeostasis, but the timing and signaling mechanisms involved in the return to a non-inflamed state are not well understood. Pro-adhesive gene expression, phenotype and secretome of human endothelial cells was measured in primary human aortic endothelium under chronic TNFα stimulation, and after short-term TNFα priming followed by withdrawal. The effects of NFκB, MAPK and JAK1/2 inhibitors on TNFα-induced gene expression were tested. The majority of inducible TNFα effectors, such as E-selectin, VCAM-1 and most chemokines, required continuous exposure for reinforcement of the altered phenotype, and were NFκB dependent. However, 3 h priming with TNFα induced late phase STAT activation and interferon response genes after 18 h, as well as enhanced ICAM-1, BST2 and CXCR3 ligand expression. Chronic activation was autonomous of continuous TNFα, and could be blocked by the JAK1/2 inhibitor ruxolitinib. The results demonstrate that NFκB is not a significant driver of the later phase of endothelial cell activation by TNFα, but that sustained inflammation is JAK1/2-dependent and characterized by adaptive chemokines.
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Affiliation(s)
- Nicole M Valenzuela
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California at Los Angeles, Los Angeles, CA, United States of America.
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116
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Li X, Wang B, Yu N, Yang L, Nan C, Sun Z, Guo L, Zhao Z. Gabapentin Alleviates Brain Injury in Intracerebral Hemorrhage Through Suppressing Neuroinflammation and Apoptosis. Neurochem Res 2022; 47:3063-3075. [PMID: 35809188 DOI: 10.1007/s11064-022-03657-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 06/09/2022] [Accepted: 06/11/2022] [Indexed: 11/29/2022]
Abstract
Neuroinflammation plays an important role in brain tissue injury during intracerebral hemorrhage. Gabapentin can reduce inflammation and oxidative stress through inhibiting nuclear factor κB (NFκB) signals. Here, we showed that gabapentin reduced brain tissue injury in ICH through suppressing NFκB-mediated neuroinflammation. ICH was induced by injecting collagenase IV into the right striatum of Sprague-Dawley rats. PC12 and BV2 cells injury induced by Hemin were used to simulate ICH in vitro. Inflammation and apoptosis were assessed in rat brain tissue and in vitro cells. The neurobehavioral scores were significantly decreased in ICH rats compared with sham rats. Phosphorylated IκB-α and cleaved caspase3, and apoptosis rate were significantly higher in tissue surrounding the hematoma than in brain tissues from rats subjected to sham surgery. Furthermore, serum IL-6 levels in ICH rats were higher than in sham rats. Gabapentin treatment significantly improved the behavioral scores, decreased levels of phosphorylated IκB-α and cleaved caspase3, apoptosis rate, and serum IL-6 level in ICH rats. Hemin-treated BV2 cells displayed higher levels of phosphorylated IκB-α, cleaved caspase3, and IL-6 in the supernatant compared with vehicle-treated cells. Hemin treatment induced a significantly lower level of peroxisome proliferator-activated receptor γ (PPARγ) in BV2 cells. BV2-PC12 co-culture cells treated by hemin displayed higher levels of cleaved caspase3 in PC12 cells. Furthermore, gabapentin treatment could reduce these effects induced by hemin and the protective effects of gabapentin were significantly attenuated by PPARγ inhibitor. Therefore, gabapentin may reduce inflammation and apoptosis induced by the ICH through PPARγ-NFκB pathway.
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Affiliation(s)
- Xiaopeng Li
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, 215 Heping Road, Shijiazhuang, 050000, HeBei, China.,Department of Neurosurgery, The First Hospital of Handan City, Handan, 056000, HeBei, China
| | - Bingqian Wang
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, 215 Heping Road, Shijiazhuang, 050000, HeBei, China.,Department of Neurosurgery, Affiliated Xing Tai People Hospital of Hebei Medical University, Xingtai, 054000, HeBei, China
| | - Ning Yu
- Department of Anesthesiology and Intensive Care Unit, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, HeBei, China
| | - Liang Yang
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, 215 Heping Road, Shijiazhuang, 050000, HeBei, China
| | - Chengrui Nan
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, 215 Heping Road, Shijiazhuang, 050000, HeBei, China
| | - Zhimin Sun
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, 215 Heping Road, Shijiazhuang, 050000, HeBei, China.,Department of Neurosurgery, The Third Hospital of Shijiazhuang City, Shijiazhuang, 050000, HeBei, China
| | - Lisi Guo
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, 215 Heping Road, Shijiazhuang, 050000, HeBei, China
| | - Zongmao Zhao
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, 215 Heping Road, Shijiazhuang, 050000, HeBei, China.
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117
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Ariyo OO, Ajayi AM, Ben-Azu B, Aderibigbe AO. Morus mesozygia leaf extract ameliorates behavioral deficits, oxidative stress and inflammation in Complete Freund's adjuvant-induced arthritis in rats. J Ethnopharmacol 2022; 292:115202. [PMID: 35331880 DOI: 10.1016/j.jep.2022.115202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Revised: 03/03/2022] [Accepted: 03/11/2022] [Indexed: 06/14/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Morus mesozygia Stapf (Moraceae), otherwise referred to as African mulberry, is utilized domestically as a remedy for a variety of inflammatory disorders including rheumatism. AIM The anti-arthritic effect of the ethylacetate fraction of M. mesozygia leaf extract (EAFMm) was assessed on complete Freund's adjuvant (CFA)-induced arthritis in male Wistar rats. METHOD Groups of male Wistar rats were injected with CFA (0.2 mL; 10 mg/mL) in the plantar surface of their right hind paws and treated orally with EAFMm (50 and 100 mg/kg) or its vehicle daily for 28 days. The effect on joint inflammation and mechanical nociception threshold, behavioral deficits (spontaneous motor activity in the open field test and depressive-like symptoms in the forced swim test) was evaluated. The levels and activities of the biomarkers of oxidative-nitrosative stress (reduced glutathione, superoxide dismutase, nitrite, and malondialdehyde) and inflammatory markers [TNF-α, IL-6, COX-2, NFκB and myeloperoxidase] were also analysed. RESULTS The EAFMm at the doses of 50 and 100 mg/kg produced a dose dependent reduction in joint inflammation and mechanical hyperalgesia, and as well improved behavioral deficits like spontaneous motor activity and depressive-like behavior. The EAFMm also significantly reduced oxido-nitrosative stress response in the joint and brain tissues. It also decreased TNF-α, interleukin-6 levels and myeloperoxidase enzyme activities in joints and brain tissues of rats. Furthermore, EAFMm attenuated the activity of NFκB and reduced the cyclooxygenase -2 protein expression level in joint tissues. CONCLUSION The ethylacetate fraction of Morus mesozygia leaf extract demonstrated anti-arthritic activity and ameliorated co-morbid depressive-like behavior via inhibition of oxidative stress and inflammation in a rat model of arthritis.
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Affiliation(s)
- Oluwakemi O Ariyo
- Neuropharmacology Unit, Department of Pharmacology & Therapeutics, University of Ibadan, Oyo-State, Nigeria.
| | - Abayomi M Ajayi
- Neuropharmacology Unit, Department of Pharmacology & Therapeutics, University of Ibadan, Oyo-State, Nigeria.
| | - Benneth Ben-Azu
- Neuropharmacology Unit, Department of Pharmacology & Therapeutics, University of Ibadan, Oyo-State, Nigeria; Department of Pharmacology, Faculty of Basic Medical Sciences, College of Health Sciences, Delta State University, Abraka, Delta State, Nigeria.
| | - Adegbuyi O Aderibigbe
- Neuropharmacology Unit, Department of Pharmacology & Therapeutics, University of Ibadan, Oyo-State, Nigeria.
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118
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Abdelhamid AM, Youssef ME, Cavalu S, Mostafa-Hedeab G, Youssef A, Elazab ST, Ibrahim S, Allam S, Elgharabawy RM, El-Ahwany E, Amin NA, Shata A, Mohammed OA, Ibrahim Abdeldaiem MS, Alhowail A, El-Saber Batiha G, El-Mahmoudy EA, Attia M, Allam A, Zaater MY, Osman MM, Nader M, Taha A, Makarem NA, Saber S. Carbocisteine as a Modulator of Nrf2/HO-1 and NFκB Interplay in Rats: New Inspiration for the Revival of an Old Drug for Treating Ulcerative Colitis. Front Pharmacol 2022; 13:887233. [PMID: 35754464 PMCID: PMC9214041 DOI: 10.3389/fphar.2022.887233] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 05/18/2022] [Indexed: 12/29/2022] Open
Abstract
Ulcerative colitis (UC), an inflammatory bowel disease, is a chronic condition of a multifaceted pathophysiology. The incidence of UC is increasing internationally. The current therapies for UC lack relative effectiveness and are associated with adverse effects. Therefore, novel therapeutic options should be developed. It has been well documented that modulating the Nrf2/NFκB is a promising therapeutic target in inflammation. Carbocisteine is a mucoregulatory medication and its efficacy in COPD was found to be more closely related to its antioxidant and anti-inflammatory properties. Carbocisteine has not yet been examined for the management of UC. Hence, our approach was to investigate the potential coloprotective role of carbocisteine in acetic acid-induced colitis in rats. Our results revealed that carbocisteine improved colon histology and macroscopic features and subdued the disease activity as well. Additionally, carbocisteine attenuated colon shortening and augmented colon antioxidant defense mechanisms via upregulating catalase and HO-1 enzymes. The myeloperoxidase activity was suppressed indicating inhibition of the neutrophil infiltration and activation. Consistent with these findings, carbocisteine boosted Nrf2 expression along with NFκB inactivation. Consequently, carbocisteine downregulated the proinflammatory cytokines IL-6 and TNF-α and upregulated the anti-inflammatory cytokine IL-10. Concomitant to these protective roles, carbocisteine displayed anti-apoptotic properties as revealed by the reduction in the Bax: BCL-2 ratio. In conclusion, carbocisteine inhibited oxidative stress, inflammatory response, and apoptosis in acetic acid-induced UC by modulating the Nrf2/HO-1 and NFκB interplay in rats. Therefore, the current study provides a potential basis for repurposing a safe and a commonly used mucoregulator for the treatment of UC.
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Affiliation(s)
- Amir Mohamed Abdelhamid
- Department of Pharmacology, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa, Egypt
| | - Mahmoud E Youssef
- Department of Pharmacology, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa, Egypt
| | - Simona Cavalu
- Faculty of Medicine and Pharmacy, University of Oradea, Oradea, Romania
| | - Gomaa Mostafa-Hedeab
- Pharmacology Department and Health Research Unit, Medical College, Jouf University, Sakakah, Saudi Arabia.,Pharmacology Department, Faculty of Medicine, Beni-Suef University, Beni Suef, Egypt
| | - Amal Youssef
- Medical Pharmacology Department, Faculty of Medicine, Cairo University, Giza, Egypt
| | - Sara T Elazab
- Department of Pharmacology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Samar Ibrahim
- Department of Pharmacy Practice, Faculty of Pharmacy, Ahram Canadian University, Giza, Egypt
| | - Shady Allam
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Menoufia University, Menoufia, Egypt
| | | | - Eman El-Ahwany
- Department of Immunology, Theodor Bilharz Research Institute, Giza, Egypt
| | - Noha A Amin
- Department of Haematology, Theodor Bilharz Research Institute, Giza, Egypt
| | - Ahmed Shata
- Department of Clinical Pharmacology, Faculty of Medicine, Mansoura University, Mansoura, Egypt.,Department of Clinical Pharmacy, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa, Egypt
| | - Osama A Mohammed
- Department of Clinical Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt.,Department of Clinical Pharmacology, Faculty of Medicine, Bisha University, Bisha, Saudi Arabia
| | - Mahmoud Said Ibrahim Abdeldaiem
- Clinical Pharmacy Department, School of Pharmaceutical Sciences, Universiti Sains Malaysia, George Town, Malaysia.,Pharmacy Practice Department, Faculty of Pharmacy, Sinai University, Ismailia, Egypt
| | - Ahmed Alhowail
- Department of Pharmacology and Toxicology, College of Pharmacy, Qassim University, Buraidah, Saudi Arabia
| | - Gaber El-Saber Batiha
- Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, Damanhour, Egypt
| | - Engy A El-Mahmoudy
- Department of Biochemistry, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa, Egypt
| | - Maram Attia
- Department of Biochemistry, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa, Egypt
| | - Alaa Allam
- Department of Biochemistry, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa, Egypt
| | - Mona Y Zaater
- Department of Biochemistry, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa, Egypt
| | - Mona M Osman
- Department of Biochemistry, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa, Egypt
| | - Manar Nader
- Department of Biochemistry, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa, Egypt
| | - Aya Taha
- Department of Biochemistry, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa, Egypt
| | - Nada Abul Makarem
- Department of Biochemistry, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa, Egypt
| | - Sameh Saber
- Department of Pharmacology, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa, Egypt
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Suraya R, Nagano T, Ryanto GRT, Effendi WI, Hazama D, Katsurada N, Yamamoto M, Tachihara M, Emoto N, Nishimura Y, Kobayashi K. Budesonide/glycopyrronium/formoterol fumarate triple therapy prevents pulmonary hypertension in a COPD mouse model via NFκB inactivation. Respir Res 2022; 23:173. [PMID: 35761394 PMCID: PMC9238100 DOI: 10.1186/s12931-022-02081-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 06/07/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Chronic obstructive pulmonary disease (COPD) is a health problem that results in death, commonly due to the development of pulmonary hypertension (PH). Here, by utilizing a mouse model of intratracheal elastase-induced emphysema that presents three different phases of COPD, we sought to observe whether budesonide/glycopyrronium/formoterol fumarate (BGF) triple therapy could prevent COPD-PH in addition to ameliorating COPD progression. METHODS We utilized intratracheal elastase-induced emphysema mouse model and performed experiments in three phases illustrating COPD progression: inflammatory (1 day post-elastase), emphysema (3 weeks post-elastase) and PH (4 weeks post-elastase), while treatments of BGF and controls (vehicle, one-drug, and two-drug combinations) were started in prior to elastase instillation (inflammatory phase), at day 7 (emphysema), or at day 14 (PH phase). Phenotype analyses were performed in each phase. In vitro, A549 cells or isolated mouse lung endothelial cells (MLEC) were treated with TNFα with/without BGF treatment to analyze NFκB signaling and cytokine expression changes. RESULTS We observed significant reductions in the proinflammatory phenotype observed in the lungs and bronchoalveolar lavage fluid (BALF) 1 day after elastase administration in mice treated with BGF compared with that in mice administered elastase alone (BALF neutrophil percentage, p = 0.0011 for PBS/Vehicle vs. PBS/Elastase, p = 0.0161 for PBS/Elastase vs. BGF). In contrast, only BGF treatment significantly ameliorated the elastase-induced emphysematous lung structure and desaturation after three weeks of elastase instillation (mean linear intercept, p = 0.0156 for PBS/Vehicle vs. PBS/Elastase, p = 0.0274 for PBS/Elastase vs. BGF). Furthermore, BGF treatment prevented COPD-PH development, as shown by improvements in the hemodynamic and histological phenotypes four weeks after elastase treatment (right ventricular systolic pressure, p = 0.0062 for PBS/Vehicle vs. PBS/Elastase, p = 0.027 for PBS/Elastase vs. BGF). Molecularly, BGF acts by inhibiting NFκB-p65 phosphorylation and subsequently decreasing the mRNA expression of proinflammatory cytokines in both alveolar epithelial and pulmonary endothelial cells. CONCLUSION Our results collectively showed that BGF treatment could prevent PH in addition to ameliorating COPD progression via the inhibition of inflammatory NFκB signaling.
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Affiliation(s)
- Ratoe Suraya
- Division of Respiratory Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki, Chuo, Kobe, Japan
| | - Tatsuya Nagano
- Division of Respiratory Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki, Chuo, Kobe, Japan.
| | - Gusty Rizky Teguh Ryanto
- Laboratory of Clinical Pharmaceutical Science, Kobe Pharmaceutical University, 4-19-1 Motoyama Kitamachi, Higashinada, Kobe, Japan
| | - Wiwin Is Effendi
- Division of Respiratory Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki, Chuo, Kobe, Japan
| | - Daisuke Hazama
- Division of Respiratory Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki, Chuo, Kobe, Japan
| | - Naoko Katsurada
- Division of Respiratory Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki, Chuo, Kobe, Japan
| | - Masatsugu Yamamoto
- Division of Respiratory Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki, Chuo, Kobe, Japan
| | - Motoko Tachihara
- Division of Respiratory Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki, Chuo, Kobe, Japan
| | - Noriaki Emoto
- Laboratory of Clinical Pharmaceutical Science, Kobe Pharmaceutical University, 4-19-1 Motoyama Kitamachi, Higashinada, Kobe, Japan.,Division of Cardiovascular Medicine, Department of Internal Medicine,, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki, Chuo, Kobe, Japan
| | - Yoshihiro Nishimura
- Division of Respiratory Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki, Chuo, Kobe, Japan
| | - Kazuyuki Kobayashi
- Division of Respiratory Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki, Chuo, Kobe, Japan
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Mello ALDN, Zancan P. Isoquinolines alkaloids and cancer metabolism: Pathways and targets to novel chemotherapy. Chem Biol Drug Des 2022; 99:944-956. [PMID: 35322534 DOI: 10.1111/cbdd.14043] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 03/15/2022] [Accepted: 03/20/2022] [Indexed: 12/24/2022]
Abstract
Cancer is one of the main causes of death in the world. This is a complex disease where the development of resistance to chemotherapy is frequent driving the search for new anticancer compounds. In this sense, isoquinolines have gained attention in the past few years. This review aims to highlight the new advances related to the use of isoquinolines compounds against cancer cells, and we point out targets for their anti-tumor action. Isoquinolines are compounds found in plants that are important for their protection. In cancer, many representatives of this class of compounds have demonstrated their efficacy against cancer by acting on cancer metabolism, such as triggering cell death, reducing pro-survival protein expression, inducing ROS production, inhibiting pro-survival cell signaling pathways, among other effects. The mechanisms triggered by isoquinolines in cancer cells represent robust anticancer strategies, which support that this class of compounds are strong candidates for cancer treatment.
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Affiliation(s)
- Angélica Lauria do Nascimento Mello
- Laboratório de Oncobiologia Molecular (LabOMol), Departamento de Biotecnologia Farmacêutica, Faculdade de Farmácia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Patricia Zancan
- Laboratório de Oncobiologia Molecular (LabOMol), Departamento de Biotecnologia Farmacêutica, Faculdade de Farmácia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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Komeili-Movahhed T, Bassirian M, Changizi Z, Moslehi A. SIRT1/ NFκB pathway mediates anti-inflammatory and anti-apoptotic effects of rosmarinic acid on in a mouse model of nonalcoholic steatohepatitis (NASH). J Recept Signal Transduct Res 2022; 42:241-250. [PMID: 33787460 DOI: 10.1080/10799893.2021.1905665] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 03/07/2021] [Accepted: 03/16/2021] [Indexed: 12/13/2022]
Abstract
Nonalcoholic steatohepatitis (NASH) is considered as a common liver disease. SIRT1, a pivotal sensor, controls activation of metabolic, inflammatory and apoptotic pathways. Rosmarinic acid (RA) has positive effects on the liver injuries; nevertheless, its mechanisms are not completely studied. The aim of this study was to explore the role of rosmarinic acid on the pathways involved by SIRT1 for amelioration of a mouse model of NASH. To do this, C57/BL6 mice were divided into four equal groups (6 in each group). Animals received saline and rosmarinic acid as the control groups. NASH was induced by methionine-choline-deficient (MCD) diet. In the NASH + RA group, Rosmarinic acid was injected daily in mice fed on an MCD diet. Rosmarinic acid decreased plasma triglyceride, cholesterol, liver Steatosis and oxidative stress. Rosmarinic acid administration also increased SIRT1, Nrf2 and PPARα and decreased SREBP1c, FAS, NFκB and caspase3 expressions. Moreover, TNFα, IL6, P53, Bax/Bcl2 ratio and caspase3 expressions decreased. Our study demonstrated that remarkable effects of rosmarinic acid on the mice with NASH might be due to activation of SIRT1/Nrf2, SIRT1/NFκB and SIRT1/PPARα pathways, which alleviate hepatic steatosis, oxidative stress, inflammation and apoptosis.
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Affiliation(s)
| | - Mahdi Bassirian
- Student Research Committee, Qom University of Medical Sciences, Qom, Iran
| | | | - Azam Moslehi
- Cellular and Molecular Research Center, Qom University of Medical Sciences, Qom, Iran
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Yang T, Jiang H, Luo X, Hou Y, Li A, He B, Zhang X, Hao H, Song H, Cai R, Wang X, Wang Y, Yao C, Qi L, Wang Y. Thrombin acts as inducer of proinflammatory macrophage migration inhibitory factor in astrocytes following rat spinal cord injury. J Neuroinflammation 2022; 19:120. [PMID: 35624475 PMCID: PMC9137112 DOI: 10.1186/s12974-022-02488-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Accepted: 05/13/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The danger-associated molecular patterns (DAMPs) are critical contributors to the progressive neuropathology and thereafter affect the functional outcomes following spinal cord injury (SCI). Up to now, the regulatory mechanisms on their inducible production from the living cells remain elusive, aside from their passive release from the necrotic cells. Thrombin is immediately activated by the damaged or stressed central nervous system (CNS), which potently mediates inflammatory astrocytic responses through proteolytic cleavage of protease-activated receptors (PARs). Therefore, SCI-activated thrombin is conceived to induce the production of DAMPs from astrocytes at lesion site. METHODS Rat SCI model was established by the cord contusion at T8-T10. The expression of thrombin and macrophage migration inhibitory factor (MIF) was determined by ELISA and Western blot. The PAR1, PAR3, and PAR4 receptors of thrombin were examined by PCR and immunohistochemistry. Primary astrocytes were isolated and purified from the spinal cord, followed by stimulation with different concentrations of thrombin either for transcriptome sequencing or for analysis of thrombin-mediated expression of MIF and related signal pathways in the presence or absence of various inhibitors. The post-injury locomotor functions were assessed using the Basso, Beattie, and Bresnahan (BBB) locomotor scale. RESULTS MIF protein levels were significantly elevated in parallel with those of thrombin induced by SCI. Immunostaining demonstrated that PAR1 receptor, together with MIF, was abundantly expressed in astrocytes. By transcriptome sequencing and bioinformatical analysis of thrombin-stimulated primary astrocytes, MIF was identified to be dynamically regulated by the serine protease. Investigation of the underlying mechanism using various inhibitors revealed that thrombin-activated PAR1 was responsible for the MIF production of astrocytes through modulation of JNK/NFκB pathway. Administration of PAR1 inhibitor at lesion sites following SCI significantly reduced the protein levels of MIF and ameliorated functional deficits of rat locomotion. CONCLUSION SCI-activated thrombin is a robust inducer of MIF production from astrocytes. Exploring the roles of thrombin in promoting the production of DAMPs from astrocytes at lesion site will provide an alternative strategy for the clinical therapy of CNS inflammation.
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Affiliation(s)
- Ting Yang
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, 19 Qixiu Road, Nantong, 226001, People's Republic of China
| | - Haiyan Jiang
- Health Management Center, Affiliated Hospital of Nantong University, Nantong, 226001, People's Republic of China
| | - Xinye Luo
- Department of Emergency Medicine, Affiliated Hospital of Nantong University, Nantong, 226001, People's Republic of China
| | - Yuxuan Hou
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, 19 Qixiu Road, Nantong, 226001, People's Republic of China
| | - Aicheng Li
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, 19 Qixiu Road, Nantong, 226001, People's Republic of China
| | - Bingqiang He
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, 19 Qixiu Road, Nantong, 226001, People's Republic of China
| | - Xingyuan Zhang
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, 19 Qixiu Road, Nantong, 226001, People's Republic of China
| | - Huifei Hao
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, 19 Qixiu Road, Nantong, 226001, People's Republic of China
| | - Honghua Song
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, 19 Qixiu Road, Nantong, 226001, People's Republic of China
| | - Rixin Cai
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, 19 Qixiu Road, Nantong, 226001, People's Republic of China
| | - Xudong Wang
- Department of Laboratory Medicine, Affiliated Hospital of Nantong University, School of Public Health, Nantong University, Nantong, 226001, Jiangsu, People's Republic of China
| | - Yingjie Wang
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, 19 Qixiu Road, Nantong, 226001, People's Republic of China
| | - Chun Yao
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, 19 Qixiu Road, Nantong, 226001, People's Republic of China
| | - Lei Qi
- Department of Emergency Medicine, Affiliated Hospital of Nantong University, Nantong, 226001, People's Republic of China.
| | - Yongjun Wang
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, 19 Qixiu Road, Nantong, 226001, People's Republic of China.
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Lückgen J, Raqué E, Reiner T, Diederichs S, Richter W. NFκB inhibition to lift the mechano-competence of mesenchymal stromal cell-derived neocartilage toward articular chondrocyte levels. Stem Cell Res Ther 2022; 13:168. [PMID: 35477424 PMCID: PMC9044876 DOI: 10.1186/s13287-022-02843-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 04/07/2022] [Indexed: 11/10/2022] Open
Abstract
Background Fully functional regeneration of skeletal defects by multipotent progenitor cells requires that differentiating cells gain the specific mechano-competence needed in the target tissue. Using cartilage neogenesis as an example, we asked whether proper phenotypic differentiation of mesenchymal stromal cells (MSC) into chondrocytes in vitro will install the adequate biological mechano-competence of native articular chondrocytes (AC). Methods The mechano-competence of human MSC- and AC-derived neocartilage was compared during differentiation for up to 35 days. The neocartilage layer was subjected to physiologic dynamic loading in a custom-designed bioreactor and assayed for mechano-sensitive gene and pathway activation, extracellular matrix (ECM) synthesis by radiolabel incorporation, nitric oxide (NO) and prostaglandin E2 (PGE2) production. Input from different pathways was tested by application of agonists or antagonists. Results MSC and AC formed neocartilage of similar proteoglycan content with a hardness close to native tissue. Mechano-stimulation on day 21 and 35 induced a similar upregulation of mechano-response genes, ERK phosphorylation, NO production and PGE2 release in both groups, indicating an overall similar transduction of external mechanical signals. However, while AC maintained or enhanced proteoglycan synthesis after loading dependent on tissue maturity, ECM synthesis was always significantly disturbed by loading in MSC-derived neocartilage. This was accompanied by significantly higher COX2 and BMP2 background expression, > 100-fold higher PGE2 production and a weaker SOX9 stimulation in response to loading in MSC-derived neocartilage. Anabolic BMP-pathway activity was not rate limiting for ECM synthesis after loading in both groups. However, NFκB activation mimicked the negative loading effects and enhanced PGE2 production while inhibition of catabolic NFκB signaling rescued the load-induced negative effects on ECM synthesis in MSC-derived neocartilage. Conclusions MSC-derived chondrocytes showed a higher vulnerability to be disturbed by loading despite proper differentiation and did not acquire an AC-like mechano-competence to cope with the mechanical stress of a physiologic loading protocol. Managing catabolic NFκB influences was one important adaptation to install a mechano-resistance closer to AC-derived neocartilage. This new knowledge asks for a more functional adaptation of MSC chondrogenesis, novel pharmacologic co-treatment strategies for MSC-based clinical cartilage repair strategies and may aid a more rational design of physical rehabilitation therapy after AC- versus MSC-based surgical cartilage intervention. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-022-02843-x.
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Affiliation(s)
- Janine Lückgen
- Research Centre for Experimental Orthopaedics, Heidelberg University Hospital, Schlierbacher Landstrasse 200a, 69118, Heidelberg, Germany
| | - Elisabeth Raqué
- Research Centre for Experimental Orthopaedics, Heidelberg University Hospital, Schlierbacher Landstrasse 200a, 69118, Heidelberg, Germany
| | - Tobias Reiner
- Department of Orthopaedic and Trauma Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Solvig Diederichs
- Research Centre for Experimental Orthopaedics, Heidelberg University Hospital, Schlierbacher Landstrasse 200a, 69118, Heidelberg, Germany
| | - Wiltrud Richter
- Research Centre for Experimental Orthopaedics, Heidelberg University Hospital, Schlierbacher Landstrasse 200a, 69118, Heidelberg, Germany.
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Chu AJ. Quarter-Century Explorations of Bioactive Polyphenols: Diverse Health Benefits. Front Biosci (Landmark Ed) 2022; 27:134. [PMID: 35468693 DOI: 10.31083/j.fbl2704134] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 02/18/2022] [Accepted: 02/24/2022] [Indexed: 11/06/2022]
Abstract
Polyphenols, members of phytochemical superfamily rich in vegetables and fruits, include flavonoids, non-flavonoids, and phenolic acids. Their biological effects includes classical antioxidation (e.g., radical-scavenging, metal chelating, NOX inhibition, attenuation on mitochondrial respiration, inhibition on xanthine oxidase, and upregulations on endogenous antioxidant enzymes), multiple regulations on cell signaling (e.g., AMPK activation, SirT1 activation, eNOS activation, FOXO activation, NFκB inactivation, PI3K/AkT inhibition, mTORC1 inhibition, PKC inhibition, MAPK inhibition, ERK inhibition, JAK/STAT inhibition, IKK/JNK inhibition, PDE inhibition, β-catenin inactivation, downregulation on TLR expression, ACE inhibition, adiponectin elevation, attenuated ET-1 production, and K+ channel activation), and many other actions (e.g., inhibition on α-glucosidase, anticoagulation, γ-secretase inhibition, monoamine oxidase inhibition, LPL upregulation, ANGPTL4 suppression, upregulation on paraoxonase 1, PAI-1 downregulation, tPA upregulation, immunoregulation, epigenetic modulation, and altered gut microbiota). Such multi- targeting and functions exhibiting antioxidative stress and antiinflammation as major pillars along with many other antagonisms could not only afford healthy polyphenols suitable supplements for promoting health, but also advance them to therapeutic applications. This review aims to translate diverse polyphenolic biochemical actions to clinical applications in fighting against non-communicable diseases such as CVD, cancer, diabetes, obesity, neurodegeneration, inflammatory diseases (e.g., IBD, IBS, NAFLD, etc.), AMD, allergy, and autoimmunity as well as communicable infection (e.g., bacteria, fungal, and viral).
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Affiliation(s)
- Arthur J Chu
- Department of Surgery, Medical School, Wayne State University, Detroit, MI 48202, USA
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Lecerf K, Koboldt DC, Kuehn HS, Jayaraman V, Lee K, Mihalic Mosher T, Yonkof JR, Mori M, Hickey SE, Franklin S, Drew J, Akoghlanian S, Sivaraman V, Rosenzweig SD, Wilson RK, Abraham RS. Case report and review of the literature: immune dysregulation in a large familial cohort due to a novel pathogenic RELA variant. Rheumatology (Oxford) 2022; 62:347-359. [PMID: 35412596 PMCID: PMC9960492 DOI: 10.1093/rheumatology/keac227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 03/23/2022] [Accepted: 03/23/2022] [Indexed: 12/27/2022] Open
Abstract
OBJECTIVE To explore and define the molecular cause(s) of a multi-generational kindred affected by Bechet's-like mucocutaneous ulcerations and immune dysregulation. METHODS Whole genome sequencing and confirmatory Sanger sequencing were performed. Components of the NFκB pathway were quantified by immunoblotting, and function was assessed by cytokine production (IL-6, TNF-α, IL-1β) after lipopolysaccharide (LPS) stimulation. Detailed immunophenotyping of T-cell and B-cell subsets was performed in four patients from this cohort. RESULTS A novel variant in the RELA gene, p. Tyr349LeufsTer13, was identified. This variant results in premature truncation of the protein before the serine (S) 536 residue, a key phosphorylation site, resulting in enhanced degradation of the p65 protein. Immunoblotting revealed significantly decreased phosphorylated [p]p65 and pIκBα. The decrease in [p]p65 may suggest reduced heterodimer formation between p50/p65 (NFκB1/RelA). Immunophenotyping revealed decreased naïve T cells, increased memory T cells, and expanded senescent T-cell populations in one patient (P1). P1 also had substantially higher IL-6 and TNF-α levels post-stimulation compared with the other three patients. CONCLUSION Family members with this novel RELA variant have a clinical phenotype similar to other reported RELA cases with predominant chronic mucocutaneous ulceration; however, the clinical phenotype broadens to include Behçet's syndrome and IBD. Here we describe the clinical, immunological and genetic evaluation of a large kindred to further expand identification of patients with autosomal dominant RELA deficiency, facilitating earlier diagnosis and intervention. The functional impairment of the canonical NFκB pathway suggests that this variant is causal for the clinical phenotype in these patients.
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Affiliation(s)
- Kelsey Lecerf
- Division of Allergy and Immunology, Department of Pediatrics, Nationwide Children’s Hospital,Division of Allergy and Immunology, Department of Otolaryngology, The Ohio State University Wexner Medical Center
| | - Daniel C Koboldt
- The Steve and Cindy Rasmussen Institute for Genomic Medicine, Nationwide Children’s Hospital, Columbus, OH
| | - Hye Sun Kuehn
- Immunology Service, Department of Laboratory Medicine, NIH Clinical Center, Bethesda, MD
| | - Vijayakumar Jayaraman
- The Steve and Cindy Rasmussen Institute for Genomic Medicine, Nationwide Children’s Hospital, Columbus, OH
| | - Kristy Lee
- The Steve and Cindy Rasmussen Institute for Genomic Medicine, Nationwide Children’s Hospital, Columbus, OH,Department of Pathology, The Ohio State University Wexner College of Medicine, Columbus, OH
| | - Theresa Mihalic Mosher
- The Steve and Cindy Rasmussen Institute for Genomic Medicine, Nationwide Children’s Hospital, Columbus, OH,Ambry Genetics, Aliso Viejo, CA
| | | | - Mari Mori
- Division of Genetic and Genomic Medicine
| | | | - Samuel Franklin
- The Steve and Cindy Rasmussen Institute for Genomic Medicine, Nationwide Children’s Hospital, Columbus, OH
| | - Joanne Drew
- Division of Pediatric Rheumatology, Department of Pediatrics
| | | | - Vidya Sivaraman
- Division of Pediatric Rheumatology, Department of Pediatrics
| | - Sergio D Rosenzweig
- Immunology Service, Department of Laboratory Medicine, NIH Clinical Center, Bethesda, MD
| | - Richard K Wilson
- The Steve and Cindy Rasmussen Institute for Genomic Medicine, Nationwide Children’s Hospital, Columbus, OH
| | - Roshini S Abraham
- Correspondence to: Roshini S. Abraham, Nationwide Children’s Hospital, 700 Children’s Drive, Columbus, OH-43205, USA. E-mail:
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Suzuki M, Cooksley C, Suzuki T, Ramezanpour M, Nakazono A, Nakamaru Y, Homma A, Vreugde S. TLR Signals in Epithelial Cells in the Nasal Cavity and Paranasal Sinuses. Front Allergy 2022; 2:780425. [PMID: 35387020 PMCID: PMC8974762 DOI: 10.3389/falgy.2021.780425] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 11/01/2021] [Indexed: 12/24/2022] Open
Abstract
The respiratory tract is constantly at risk of invasion by microorganisms such as bacteria, viruses, and fungi. In particular, the mucosal epithelium of the nasal cavity and paranasal sinuses is at the very forefront of the battles between the host and the invading pathogens. Recent studies have revealed that the epithelium not only constitutes a physical barrier but also takes an essential role in the activation of the immune system. One of the mechanisms equipped in the epithelium to fight against microorganisms is the Toll-like receptor (TLR) response. TLRs recognize common structural components of microorganisms and activate the innate immune system, resulting in the production of a plethora of cytokines and chemokines in the response against microbes. As the epithelia-derived cytokines are deeply involved in the pathogenesis of inflammatory conditions in the nasal cavity and paranasal sinuses, such as chronic rhinosinusitis (CRS) and allergic rhinitis (AR), the molecules involved in the TLR response may be utilized as therapeutic targets for these diseases. There are several differences in the TLR response between nasal and bronchial epithelial cells, and knowledge of the TLR signals in the upper airway is sparse compared to that in the lower airway. In this review, we provide recent evidence on TLR signaling in the upper airway, focusing on the expression, regulation, and responsiveness of TLRs in human nasal epithelial cells (HNECs). We also discuss how TLRs in the epithelium are involved in the pathogenesis of, and possible therapeutic targeting, for CRS and AR.
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Affiliation(s)
- Masanobu Suzuki
- Department of Otolaryngology-Head and Neck Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Clare Cooksley
- Department of Surgery-Otorhinolaryngology Head and Neck Surgery, Central Adelaide Local Health Network and the University of Adelaide, Adelaide, SA, Australia
| | - Takayoshi Suzuki
- Department of Otolaryngology-Head and Neck Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Mahnaz Ramezanpour
- Department of Surgery-Otorhinolaryngology Head and Neck Surgery, Central Adelaide Local Health Network and the University of Adelaide, Adelaide, SA, Australia
| | - Akira Nakazono
- Department of Otolaryngology-Head and Neck Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Yuji Nakamaru
- Department of Otolaryngology-Head and Neck Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Akihiro Homma
- Department of Otolaryngology-Head and Neck Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Sarah Vreugde
- Department of Surgery-Otorhinolaryngology Head and Neck Surgery, Central Adelaide Local Health Network and the University of Adelaide, Adelaide, SA, Australia
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Ning H, Zhang T, Zhou X, Liu L, Shang C, Qi R, Ma T. PART1 destabilized by NOVA2 regulates blood-brain barrier permeability in endothelial cells via STAU1-mediated mRNA degradation. Gene X 2022; 815:146164. [PMID: 34990795 DOI: 10.1016/j.gene.2021.146164] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 11/16/2021] [Accepted: 12/06/2021] [Indexed: 12/26/2022] Open
Abstract
Blood-brain barrier dysfunction is recognized as a precursor of Alzheimer's disease development. Endothelial cells as structural basis of blood-brain barrier were observed tight junction failure in amyloid-β(1-42)-stimulated environment. In this study, we found NOVA2, PPP2R3A were down-regulated while PART1, p-NFκB-p65 were up-regulated in amyloid-β(1-42)-incubated endothelial cells. Knockdown of either NOVA2 or PPP2R3A and overexpression of PART1 all increased blood-brain barrier permeability. Lower blood-brain barrier permeability was observed in overexpression of NOVA2 and PPP2R3A and knockdown of PART1 and NFκB-p65. Same tendencies were found in the tight junction-related proteins expressions. Furthermore, overexpression and knockdown of NOVA2 and PART1 had no effect on cell viability. Mechanistically, NOVA2 overexpression was confirmed to reduce half-life of PART1. PART1 could destabilize PPP2R3A messenger RNA (mRNA) by interacting with STAU1. In addition, p-NFκB-p65 functioning as transcription factor reduced the expression of tight junction-related proteins, which was prompted by low protein level of PPP2R3A. Our study highlights the crucial role of NOVA2/PART1/PPP2R3A/p-NFκB-p65 pathway in amyloid-β(1-42)-incubated endothelial cells to modulating blood-brain barrier permeability through STAU1-mediated messenger RNA degradation, implying a potential mechanism of lncRNA and protein interaction in pathogenesis of Alzheimer's disease.
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Affiliation(s)
- Hao Ning
- Department of Neurobiology, School of Life Sciences, China Medical University, Shenyang 110122, China
| | - Tianyuan Zhang
- Department of Neurobiology, School of Life Sciences, China Medical University, Shenyang 110122, China
| | - Xinxin Zhou
- Liaoning University of Traditional Chinese Medicine, Shenyang 110034, China
| | - Libo Liu
- Department of Neurobiology, School of Life Sciences, China Medical University, Shenyang 110122, China
| | - Chao Shang
- Department of Neurobiology, School of Life Sciences, China Medical University, Shenyang 110122, China
| | - Ruiqun Qi
- Department of Dermatology, The First Hospital of China Medical University, Shenyang 110122, China
| | - Teng Ma
- Department of Neurobiology, School of Life Sciences, China Medical University, Shenyang 110122, China.
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Fan M, Li Z, Hu M, Zhao H, Wang T, Jia Y, Yang R, Wang S, Song J, Liu Y, Jin W. Formononetin attenuates Aβ 25-35-induced adhesion molecules in HBMECs via Nrf2 activation. Brain Res Bull 2022; 183:162-171. [PMID: 35304289 DOI: 10.1016/j.brainresbull.2022.03.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 02/21/2022] [Accepted: 03/12/2022] [Indexed: 01/14/2023]
Abstract
Brain vascular inflammation plays a crucial role in the pathogenesis of Alzheimer's disease (AD). As a central pathogenic factor in AD, the extracellular buildup of amyloid-β (Aβ) induces brain microvascular endothelial cells activation, impairs endothelial structure and function. Formononetin (FMN) has been reported to protect against Alzheimer's disease (AD) and attenuates vascular inflammation in atherosclerosis. However, its involvement in regulating vascular inflammation of AD has not been investigated. In the study, we found that FMN significantly attenuates Aβ25-35-induced expression of adhesion molecules, including intracellular adhesion molecule-1 (ICAM-1) and vascular cell adhesion molecule-1 (VCAM-1) in the human brain microvascular endothelial cells (HBMECs), suggesting that FMN inhibits Aβ25-35-induced brain endothelial cells inflammatory response. Moreover, we observed that FMN attenuates Aβ25-35-induced translocation of NFκB (p65) into the nucleus of HBMECs, and found that FMN treatment induces Nrf2 expression and attenuates Nrf2-Keap1 association in a dose-dependent manner in HBMECs. Furthermore, we demonstrated that Nrf2 silencing significantly attenuates FMN-reduced NFκB (p65) activation and nuclear translocation. Lastly, our results showed that FMN treatment attenuates Aβ25-35-induced adhesion of THP-1 cell to endothelial cell monolayer. Collectively, these findings suggest that FMN attenuates Aβ25-35-induced activation in human brain microvascular endothelial cells, which at least in part was mediated through Nrf2 pathways.
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Affiliation(s)
- Mingyue Fan
- Department of Neurology, Hebei General Hospital, Shijiazhuang, Hebei, P.R. China
| | - Zhe Li
- Department of Neurology, Hebei General Hospital, Shijiazhuang, Hebei, P.R. China
| | - Ming Hu
- Department of Neurology, Hebei General Hospital, Shijiazhuang, Hebei, P.R. China
| | - Haifeng Zhao
- Department of Anesthesiology, Shijiazhuang Obstetrics and Gynecology Hospital, The Fourth Hospital of Shijiazhuang, Shijiazhuang, Hebei, P.R. China
| | - Tianjun Wang
- Department of Neurology, Hebei General Hospital, Shijiazhuang, Hebei, P.R. China
| | - Yanqiu Jia
- Department of Neurology, Hebei General Hospital, Shijiazhuang, Hebei, P.R. China
| | - Rui Yang
- Department of Neurology, Hebei General Hospital, Shijiazhuang, Hebei, P.R. China
| | - Shuo Wang
- Department of Neurology, Hebei General Hospital, Shijiazhuang, Hebei, P.R. China
| | - Jiaxi Song
- Department of Neurology, Hebei General Hospital, Shijiazhuang, Hebei, P.R. China
| | - Yang Liu
- Department of Neurology, Hebei General Hospital, Shijiazhuang, Hebei, P.R. China
| | - Wei Jin
- Department of Neurology, Hebei General Hospital, Shijiazhuang, Hebei, P.R. China.
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Semina SE, Pal P, Kansara NS, Huggins RJ, Alarid ET, Greene GL, Frasor J. Selective pressure of endocrine therapy activates the integrated stress response through NFκB signaling in a subpopulation of ER positive breast cancer cells. Breast Cancer Res 2022; 24:19. [PMID: 35264224 PMCID: PMC8908626 DOI: 10.1186/s13058-022-01515-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 02/25/2022] [Indexed: 12/23/2022] Open
Abstract
Background While estrogen receptor (ER) positive breast tumors generally respond well to endocrine therapy (ET), up to 40% of patients will experience relapse, either while on endocrine therapy or after ET is completed. We previously demonstrated that the selective pressure of tamoxifen activates the NFκB pathway in ER + patient tumors, breast cancer cell lines, and breast cancer xenograft tumors, and that this activation allows for survival of a subpopulation of NFκB + cells that contribute to cell regrowth and tumor relapse after ET withdrawal. However, the mechanisms contributing to the expansion of an NFκB + cell population on ET are unknown. Methods Here, we utilized single-cell RNA sequencing and bioinformatics approaches to characterize the NFκB + cell population and its clinical relevance. Follow-up studies were conducted to validate our findings and assess the function of the integrated stress response pathway in breast cancer cell lines and patient-derived models. Results We found that the NFκB + population that arises in response to ET is a preexisting population is enriched under the selective pressure of ET. Based on the preexisting NFκB + cell population, we developed a gene signature and found that it is predictive of tumor relapse when expressed in primary ER + tumors and is retained in metastatic cell populations. Moreover, we identified that the integrated stress response (ISR), as indicated by increased phosphorylation of eIF2α, occurs in response to ET and contributes to clonogenic growth under the selective pressure of ET. Conclusions Taken together, our findings suggest that a cell population with active NFκB and ISR signaling can survive and expand under the selective pressure of ET and that targeting this population may be a viable therapeutic strategy to improve patient outcome by eliminating cells that survive ET. Understanding the mechanisms by which breast cancer cells survive the selective pressure of ET may improve relapse rates and overall outcome for patients with ER + breast tumors. Supplementary Information The online version contains supplementary material available at 10.1186/s13058-022-01515-1.
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Affiliation(s)
- Svetlana E Semina
- Department of Physiology and Biophysics, University of Illinois at Chicago, 835 S. Wolcott Ave, E202 MSB, MC901, Chicago, IL, 60612, USA
| | - Purab Pal
- Department of Physiology and Biophysics, University of Illinois at Chicago, 835 S. Wolcott Ave, E202 MSB, MC901, Chicago, IL, 60612, USA
| | - Nidhi S Kansara
- Department of Physiology and Biophysics, University of Illinois at Chicago, 835 S. Wolcott Ave, E202 MSB, MC901, Chicago, IL, 60612, USA
| | - Rosemary J Huggins
- Ben May Department for Cancer Research, University of Chicago, Chicago, IL, 60637, USA
| | - Elaine T Alarid
- Department of Oncology, University of Wisconsin-Madison, Madison, WI, 53705, USA
| | - Geoffrey L Greene
- Ben May Department for Cancer Research, University of Chicago, Chicago, IL, 60637, USA
| | - Jonna Frasor
- Department of Physiology and Biophysics, University of Illinois at Chicago, 835 S. Wolcott Ave, E202 MSB, MC901, Chicago, IL, 60612, USA.
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Kim HJ, Kim WJ, Shin HR, Yoon HI, Moon JI, Lee E, Lim JM, Cho YD, Lee MH, Kim HG, Ryoo HM. ROS-induced PADI2 downregulation accelerates cellular senescence via the stimulation of SASP production and NFκB activation. Cell Mol Life Sci 2022; 79:155. [PMID: 35218410 PMCID: PMC8882118 DOI: 10.1007/s00018-022-04186-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 01/27/2022] [Accepted: 01/31/2022] [Indexed: 12/13/2022]
Abstract
Cellular senescence is closely related to tissue aging including bone. Bone homeostasis is maintained by the tight balance between bone-forming osteoblasts and bone-resorbing osteoclasts, but it undergoes deregulation with age, causing age-associated osteoporosis, a main cause of which is osteoblast dysfunction. Oxidative stress caused by the accumulation of reactive oxygen species (ROS) in bone tissues with aging can accelerate osteoblast senescence and dysfunction. However, the regulatory mechanism that controls the ROS-induced senescence of osteoblasts is poorly understood. Here, we identified Peptidyl arginine deiminase 2 (PADI2), a post-translational modifying enzyme, as a regulator of ROS-accelerated senescence of osteoblasts via RNA-sequencing and further functional validations. PADI2 downregulation by treatment with H2O2 or its siRNA promoted cellular senescence and suppressed osteoblast differentiation. CCL2, 5, and 7 known as the elements of the senescence-associated secretory phenotype (SASP) which is a secretome including proinflammatory cytokines and chemokines emitted by senescent cells and a representative feature of senescence, were upregulated by H2O2 treatment or Padi2 knockdown. Furthermore, blocking these SASP factors with neutralizing antibodies or siRNAs alleviated the senescence and dysfunction of osteoblasts induced by H2O2 treatment or Padi2 knockdown. The elevated production of these SASP factors was mediated by the activation of NFκB signaling pathway. The inhibition of NFκB using the pharmacological inhibitor or siRNA effectively relieved H2O2 treatment- or Padi2 knockdown-induced senescence and osteoblast dysfunction. Together, our study for the first time uncover the role of PADI2 in ROS-accelerated cellular senescence of osteoblasts and provide new mechanistic and therapeutic insights into excessive ROS-promoted cellular senescence and aging-related bone diseases.
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Affiliation(s)
- Hyun-Jung Kim
- Department of Molecular Genetics & Dental Pharmacology, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, South Korea
| | - Woo-Jin Kim
- Department of Molecular Genetics & Dental Pharmacology, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, South Korea
| | - Hye-Rim Shin
- Department of Molecular Genetics & Dental Pharmacology, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, South Korea
| | - Hee-In Yoon
- Department of Molecular Genetics & Dental Pharmacology, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, South Korea
| | - Jae-I Moon
- Department of Molecular Genetics & Dental Pharmacology, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, South Korea
| | - Eunji Lee
- Department of Molecular Genetics & Dental Pharmacology, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, South Korea
| | - Jin-Muk Lim
- Biomedical Knowledge Engineering Laboratory, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, South Korea.,Alopax-Algo, Co. Ltd, Seoul, South Korea
| | - Young-Dan Cho
- Department of Periodontology, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, South Korea
| | - Mi-Hye Lee
- Department of Biology and Center for Cell Reprogramming, Georgetown University, Washington, DC, USA
| | - Hong-Gee Kim
- Biomedical Knowledge Engineering Laboratory, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, South Korea
| | - Hyun-Mo Ryoo
- Department of Molecular Genetics & Dental Pharmacology, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, South Korea.
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Owojuyigbe OS, Larbie C, Firempong CK, Komlaga G, Emikpe BO, Oyagbemi AA. Hura crepitans stem bark extract: A potential remedy to sub-acute liver damage. J Ethnopharmacol 2022; 284:114768. [PMID: 34688802 DOI: 10.1016/j.jep.2021.114768] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Revised: 10/13/2021] [Accepted: 10/19/2021] [Indexed: 06/13/2023]
Abstract
ETHNOPHARMACOLOGICAL SIGNIFICANCE AND AIM Hura crepitans is commonly used to treat liver diseases in Nigeria and Ghana. Previous studies have supported its ethnomedicinal use in protecting the liver. The present study aimed at assessing the effect of H. crepitans stem bark on the subacute carbon tetrachloride (CCl4)-induced liver damage in rats. MATERIALS AND METHODS The protective activities of ethanolic extract of H. crepitans stem bark was evaluated in CCl4-induced subacute liver damage in rats (1:1 v/v in olive oil, intraperitoneally (i.p.), twice weekly for 8 weeks). Blood samples were obtained from the rats and used for some biochemical analysis such as liver function test (Aspartate transaminase, AST; Alanine aminotransferase, ALT; and Alkaline phosphatase, ALP), liver fibrotic indices (Aspartate platelet ratio index, APRI; AST/ALT and AST/PLT ratios) and oxidative stress markers (Malondialdehyde, MDA; Reduced glutathione, GSH; Glutathione S-transferase, GST; Glutathione peroxidase, GPx; and superoxide dismutase, SOD). Histopathological analyses were carried out to determine the expression of pro-inflammatory (NF-κB, COX-2, IL-17 and IL-23) using immunohistochemical techniques. RESULTS Oral administration of H. crepitans to CCl4-induced hepatic injured rats significantly decreased oxidative stress, increased the levels of SOD, GSH, GST and GPx with reduced MDA levels. The plant also mitigated liver injury as evidenced in the significantly reduced levels of AST, ALT and ALP, while it inhibited the inflammatory process via the inhibition of NF-κB, and consequently down-regulateed the pro-inflammatory cytokines COX-2, IL-17 and IL-23, respectively. Biochemical observations were supported by improvement in liver microarchitecture. CONCLUSION The Hura crepitans demonstrated antioxidant, antiinflammatory and antifibrotic effect in hepatic injured rats. The study in a way justifies the traditional use of the plant for the treatment of subacute liver diseases in Nigerian Traditional medicine.
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Affiliation(s)
- Oluwole S Owojuyigbe
- Department of Biochemistry and Biotechnology, KNUST, Kumasi, Ghana; Department of Science Laboratory Technology, Federal Polytechnic Ede, Nigeria
| | | | | | | | | | - Ademola A Oyagbemi
- Department of Veterinary Physiology and Biochemistry, University of Ibadan, Nigeria
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Xu T, Wang X, Ma C, Ji J, Xu W, Shao Q, Liao X, Li Y, Cheng F, Wang Q. Identification of potential regulating effect of baicalin on NFκB/CCL2/CCR2 signaling pathway in rats with cerebral ischemia by antibody-based array and bioinformatics analysis. J Ethnopharmacol 2022; 284:114773. [PMID: 34699947 DOI: 10.1016/j.jep.2021.114773] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 10/10/2021] [Accepted: 10/21/2021] [Indexed: 06/13/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Baicalin is one of the major bioactive compounds extracted from the root of Scutellaria baicalensis Georgi, which was used to treat cerebral ischemia for thounds of years. However, its biological mechanisms remains to be further explored. AIM OF THE REVIEW This study aims to identify potential biological mechanisms of baicalin against cerebral ischemia combining antibody-based array and bioinformatics analysis. METHODS A rat model of middle cerebral artery occlusion (MCAO) was constructed. Sprague-Dawley rats were randomly divided into three groups: control group, ischemic model group, and baicalin 100 mg/kg treatment group respectively. Bederson score and 2, 3, 5-triphenyl tetrazolium chloride (TTC) staining were examined to evaluate the pharmacodynamics of baicalin treatment. Antibody-based array technology, enzyme linked immunosorbent assay (ELISA), western-blot, molecular docking, transcription factor perdiction, hematoxylin and eosin (H&E), and immunofluorescence staining were used to study the regulation of baicalin on inflammatory response after cerebral ischemia in vivo. LPS-induced RAW 264.7 macrophage inflammation model was prepared to observe the anti-inflammatory effect of baicalin in vitro. RESULTS Baicalin (100 mg/kg) reduced neurological injury score, cerebral infarction volume, and necrotic cells in MCAO rats. Baicalin inhibited the expression of CCL2, and reduced the phosphorylation levels of p65, IκBα protein and down-regulated level of CCR2. Besides, baicalin could bond to CCR2 directly, which prevented CCL2 from binding to CCR2. Furthermore, baicalin down-regulated the number of monocytes in the peripheral blood and improved the spleen index post-cerebral ischemia. In vitro, baicalin significantly inhibited the secretion of NO, IL6, TNFα, and CCL2 in macrophages and promoted the secretion of IL13, IFNG, and IL1a. CONCLUSIONS Baicalin inhibited cerebral ischemia-induced activation of the NFκB/CCL2/CCR2 pathway with multiple target effect. These data promote the therapeutic utilization of baicalin in preventing cerebral ischemia clinically.
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Affiliation(s)
- Tian Xu
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China.
| | - Xueqian Wang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China.
| | - Chongyang Ma
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China.
| | - Jing Ji
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China.
| | - Wenxiu Xu
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China.
| | - Qi Shao
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China.
| | - Xuejing Liao
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China.
| | - Ying Li
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China.
| | - Fafeng Cheng
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China.
| | - Qingguo Wang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China.
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Fragiadaki M. Lessons from microRNA biology: Top key cellular drivers of Autosomal Dominant Polycystic Kidney Disease. Biochim Biophys Acta Mol Basis Dis 2022; 1868:166358. [PMID: 35150832 DOI: 10.1016/j.bbadis.2022.166358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 02/02/2022] [Accepted: 02/03/2022] [Indexed: 11/26/2022]
Abstract
BACKGROUND Numerous microRNAs (miRs), small RNAs that target several pathways, have been implicated in the development of Autosomal Dominant Polycystic Kidney Disease (ADPKD), which is the most common genetic cause of kidney failure. The hallmark of ADPKD is tissue overgrowth and hyperproliferation, eventually leading to kidney failure. SCOPE OF THE REVIEW Many miRs are dysregulated in disease, yet the intracellular pathways regulated by miRs are less well described in ADPKD. Here, I summarise all the differentially expressed miRs in ADPKD and highlight the top miR-regulated cellular driver of disease. MAJOR CONCLUSIONS Literature review has identified 53 abnormally expressed miRs in ADPKD. By performing bioinformatics analysis of their target genes I present 10 key intracellular pathways that drive ADPKD progression. The top key drivers are divided into three main areas: (i) hyperproliferation and the role of JAK/STAT and PI3K pathways (ii) DNA damage and (iii) inflammation and NFκB. GENERAL SIGNIFICANCE The description of the 10 top cellular drivers of ADPKD, derived by analysis of miR signatures, is of paramount importance in better understanding the key processes resulting in pathophysiological changes that underlie disease.
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Affiliation(s)
- Maria Fragiadaki
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, S10 2RX, United Kingdom of Great Britain and Northern Ireland.
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Ouyang H, Du A, Zhou L, Zhang T, Lu B, Wang Z, Ji L. Chlorogenic acid improves diabetic retinopathy by alleviating blood-retinal-barrier dysfunction via inducing Nrf2 activation. Phytother Res 2022; 36:1386-1401. [PMID: 35133045 DOI: 10.1002/ptr.7401] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 12/29/2021] [Accepted: 01/14/2022] [Indexed: 12/29/2022]
Abstract
As one of the major diabetic microvascular complications, diabetic retinopathy (DR) is mainly initiated by the blood-retinal barrier (BRB) dysfunction. Chlorogenic acid (CGA) is a natural polyphenolic compound in Lonicerae Japonicae Flos, which traditionally has the beneficial function for eyes and is commonly included in many anti-diabetic formulas. In this study, the potential protective mechanism of CGA against DR was investigated. Streptozotocin (STZ) was used to induce diabetes in mice. CGA attenuated BRB dysfunction and reversed endothelial-mesenchymal transition (EndoMT) and epithelial-mesenchymal transition (EMT) in retinas in vivo. CGA inhibited microglia activation and reduced tumor necrosis factor (TNF)α release both in vivo and in vitro. CGA promoted nuclear factor erythroid 2-related factor 2 (Nrf2) activation and prevented EndoMT/EMT in TNFα-treated human retinal endothelial cells (HRECs) or retinal pigment epithelial APRE19 cells. CGA alleviated endothelial/epithelial barrier oxidative injury in HRECs or APRE19 cells stimulated with TNFα, but this effect was disappeared in cells co-incubated with Nrf2 inhibitor. Additionally, the CGA-supplied alleviation on BRB damage and EndoMT/EMT was markedly weakened in retinas from STZ-treated Nrf2 knock-out mice. All results suggest that CGA improves DR through attenuating BRB injury by reducing microglia-initiated inflammation and preventing TNFα-induced EndoMT/EMT and oxidative injury via inducing Nrf2 activation.
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Affiliation(s)
- Hao Ouyang
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and The SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Ao Du
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and The SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Lingyu Zhou
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and The SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Tianyu Zhang
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and The SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Bin Lu
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and The SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zhengtao Wang
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and The SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Lili Ji
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines and The SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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Yang Y, Zhou W, Xu X, Ge X, Wang F, Zhang GQ, Miao L, Deng X. Aprepitant Inhibits JNK and p38/MAPK to Attenuate Inflammation and Suppresses Inflammatory Pain. Front Pharmacol 2022; 12:811584. [PMID: 35087409 PMCID: PMC8786910 DOI: 10.3389/fphar.2021.811584] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 12/21/2021] [Indexed: 12/21/2022] Open
Abstract
Substance P contributes to the pathogenesis of pain by acting on NK-1R, specialized sensory neurons that detect noxious stimuli. Aprepitant, an antagonist of NK-1R, is widely used to treat chemotherapy-induced nausea and vomiting. In this study, we used LPS-stimulated BV-2 microglia cell line and animal models of inflammatory pain to explore the analgesic effect of aprepitant on inflammatory pain and its underlying mechanism. The excitability of DRG neurons were measured using whole-cell patch-clamp recordings. The behavioral tests were measured and the morphological changes on inflamed paw sections were determined by HE staining. Changes in the expressions of cytokine were measured by using real-time quantitative PCR analysis and ELISA method. Immunofluorescence and western blotting were used to detect the microglia activation and MAPK. Aprepitant treatment significantly inhibited the excitability of DRG neurons. The pain behavior and the paw tissues inflammatory damage were significantly relived after the administration of aprepitant compared to formalin group. Aprepitant significantly suppressed the activation of microglia, phosphorylation of JNK and p38 MAPK, as well as the mRNA and protein expressions of MCP-1, TNF-α, IL-6, and IL-1β, in vivo and in vitro. The LPS-induced over-translocation into nucleus of NF-κBp65 was down-regulated following aprepitant treatment in BV-2 cells. The present study suggests that aprepitant attenuates inflammatory pain in mice via suppressing the phosphorylation of JNK and p38, and inhibiting the NF-κB signaling pathway.
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Affiliation(s)
- Yang Yang
- Medical Center for Digestive Diseases, Second Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Wei Zhou
- Department of Child Health Care, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Xiuqi Xu
- Department of Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Xianxiu Ge
- Medical Center for Digestive Diseases, Second Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Fei Wang
- Medical Center for Digestive Diseases, Second Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Guang-Qin Zhang
- Department of Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Lin Miao
- Medical Center for Digestive Diseases, Second Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Xueting Deng
- Medical Center for Digestive Diseases, Second Affiliated Hospital, Nanjing Medical University, Nanjing, China
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136
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Yulianti E, Sunarti, Wahyuningsih MSH. The effect of Kappaphycus alvarezii active fraction on oxidative stress and inflammation in streptozotocin and nicotinamide-induced diabetic rats. BMC Complement Med Ther 2022; 22:15. [PMID: 35027069 PMCID: PMC8759202 DOI: 10.1186/s12906-021-03496-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Accepted: 12/22/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND High glucose concentration increases the glycation process which leads to oxidative stress and inflammation, that can cause complications in diabetes. Several medicinal plants have been used in the treatment of diabetes and its complications. One of them is Kappaphycus alvarezii, an algae that has known antidiabetic abilities. This study aimed to examine the effect of K. alvarezii active fraction on plasma hydrogen peroxide (H2O2) and Tumor Necrosis Factor α (TNFα) levels, renal NADPH oxidase 4 (NOX4) and Nuclear Factor κ B (NFκB) gene expressions. METHODS Active fraction was obtained from bioassay-guided fractionation with antiglycation ability. In vivo study was performed on twenty Wistar male rats. The level of H2O2 was measured using H2O2 Assay Kit, the Optical Density value measured using spectrophotometer at a wavelength of 405 nm. Plasma TNFα level was measured using ELISA. Renal NOX4 and NFκB gene expression was analyzed using qPCR. RESULTS Active fraction significantly reduced plasma H2O2 but not TNFα levels. Furthermore, renal NOX4 gene expression was lower in the diabetic rat group treated with active fraction compared to the untreated group but not NFκB gene expression. CONCLUSIONS K. alvarezii active fraction has an activity to reduce plasma H2O2 as well as renal NOX4 gene expression. Therefore, this fraction could be developed as a potential candidate for diabetes treatment through oxidative stress mechanisms.
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Affiliation(s)
- Evy Yulianti
- Department of Biology Education, Faculty of Mathematics and Science, Universitas Negeri Yogyakarta, Yogyakarta, Indonesia
| | - Sunarti
- Department of Biochemistry, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Mae Sri Hartati Wahyuningsih
- Department of Pharmacology and Therapy, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia.
- Herbal Medical Center, Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia.
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137
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Abd El-Fattah EE, Saber S, Mourad AAE, El-Ahwany E, Amin NA, Cavalu S, Yahya G, Saad AS, Alsharidah M, Shata A, Sami HM, Kaddah MMY, Ghanim AMH. The dynamic interplay between AMPK/ NFκB signaling and NLRP3 is a new therapeutic target in inflammation: Emerging role of dapagliflozin in overcoming lipopolysaccharide-mediated lung injury. Pharmacotherapy 2022; 147:112628. [PMID: 35032769 DOI: 10.1016/j.biopha.2022.112628] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 01/04/2022] [Accepted: 01/07/2022] [Indexed: 02/07/2023]
Abstract
Acute lung injury (ALI) is one the most common causes of morbidity and mortality in critically ill patients. In this study, we examined for first time the role of dapagliflozin (DPGZ) in lipopolysaccharide (LPS)-induced ALI in rats and determined the underlying molecular mechanisms by evaluating the effects of DPGZ on adenosine monophosphate kinase (AMPK), nuclear transcription factor kappa B, nucleotide-binding and oligomerization domain-like receptor 3 inflammasome activation. Treatment of acute lung injured rats with either low dose (5 mg/kg) or high dose (10 mg/kg) DPGZ significantly decreased oxidative stress by decreasing malondialdehyde and nitric oxide tissue levels with a significant increase in spectrophotometric measurements of superoxide dismutase, catalase, and reduced glutathione levels. DPGZ treatment resulted in a significant anti-inflammatory effect as indicated by suppression in myeloperoxidase activity, MCP-1, IL-1β, IL-18, and TNF-α levels. DPGZ treatment also increased p-AMPK/t-AMPK with a significant reduction in NF-kB P65 binding activity and NFĸB p65 (pSer536) levels. These effects of DPGZ were accompanied by a significant reduction in NLRP3 levels and NLRP3 gene expression and a significant decrease in caspase-1 activity, which were also confirmed by histopathological examinations. We conclude that DPGZ antioxidant and anti-inflammatory activity may occur through regulation of AMPK/NFĸB pathway and inhibition of NLRP3 activation. These results suggest that DPGZ represents a promising intervention for the treatment of ALI, particularly in patients with type 2 diabetes.
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Affiliation(s)
- Eslam E Abd El-Fattah
- Department of Biochemistry, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa 11152, Egypt.
| | - Sameh Saber
- Department of Pharmacology, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa 11152, Egypt.
| | - Ahmed A E Mourad
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Port Said University, Port Said 42511, Egypt.
| | - Eman El-Ahwany
- Department of Immunology, Theodor Bilharz Research Institute, Giza, Egypt.
| | - Noha A Amin
- Department of Hematology, Theodor Bilharz Research Institute, Giza, Egypt.
| | - Simona Cavalu
- Faculty of Medicine and Pharmacy, University of Oradea, P-ta 1 Decembrie 10, 410087 Oradea, Romania.
| | - Galal Yahya
- Department of Microbiology and Immunology, Faculty of Pharmacy, Zagazig University, Al Sharqia, Egypt.
| | - Ahmed S Saad
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Port Said University, Port Said 42511, Egypt.
| | - Mansour Alsharidah
- Department of Physiology, College of Medicine, Qassim University, Qassim 51452, Kingdom of Saudi Arabia.
| | - Ahmed Shata
- Department of Clinical Pharmacology, Faculty of Medicine, Mansoura University, Mansoura, Egypt; Department of Clinical Pharmacy, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa, Egypt.
| | - Haidy M Sami
- Department of Clinical Pharmacy, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa, Egypt.
| | - Mohamed M Y Kaddah
- Pharmaceutical and Fermentation Industries Development Center, City of Scientific Research and Technological Applications, New Borg El-Arab, 21934 Alexandria, Egypt.
| | - Amal M H Ghanim
- Department of Biochemistry, Faculty of Pharmacy, Fayoum University, Fayoum, Egypt.
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138
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Ahmad B, Khan MR, Shah NA, Kondratyuk TP, Ahmed N, Pezzuto JM, Gul A, Khattak A. Investigation of Chemopreventive and Antiproliferative Potential of Dicliptera roxburghiana. Integr Cancer Ther 2022; 21:15347354211069934. [PMID: 34991410 PMCID: PMC8753230 DOI: 10.1177/15347354211069934] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
CONTEXT Carcinogenesis causes much human misery. It is a process involving multistage alterations. Medicinal plants are candidates for beneficial anticancer agents. OBJECTIVES Investigation of anticancer proficiencies of the plant Dicliptera roxburghiana. MATERIAL AND METHODS Crude extract and derived fractions were inspected for their inhibitory potential against nuclear factor KB (NFκB), nitric oxide synthase inhibition, aromatase inhibition and induction of quinone reductase 1 (QR 1). Antiproliferative activity was determined by using various cancer cell lines for example hormone responsive breast cancer cell line MCF-7, estrogen receptor negative breast cancer cell line MDA-MB-231, murine hepatoma cells Hepa 1c1c7, human neuroblastoma cells SK-N-SH and neuroblastoma cells MYCN-2. RESULTS Ethyl acetate and n-butanol fractions of D. roxburghiana were strongly active against NFκB with IC50 of 16.6 ± 1.3 and 8.4 ± 0.7 µg/ml respectively with 100% survival. Chloroform fraction of the plant exhibited an induction ratio of 2.4 ± 0.09 with CD value of 17.7 µg/ml. Regarding the nitrite assay, the n-hexane fraction exhibited significant inhibition of NO activity with IC50 of 17.8 ± 1.25 µg/ml. The n-butanol fraction exhibited strong antiproliferative activity against IcIc-7 cell lines with IC50 values of 13.6 ± 1.91 µg/ml; against MYCN-2 a cytotoxic effect developed with dose dependence, with IC50 of 12.6 ± 1.24 µg/ml. In antiproliferative activity against SK-N-SH cell lines, chloroform, ethyl acetate and n-butanol fractions were efficiently active with IC50 values of 11.2 ± 0.84, 14.6 ± 1.71 and 16.3 ± 1.57 respectively. DISCUSSION AND CONCLUSION It was demonstrated that various fractions of D. roxburghiana displayed appreciable anticancer characteristics and could be a potent source for the development of anticancer leads.
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Affiliation(s)
- Bushra Ahmad
- Shaheed Benazir Bhutto Women University, Peshawar, Pakistan
| | | | - Naseer Ali Shah
- COMSATS Institute of Information Technology, Islamabad, Pakistan
| | | | | | | | - Asma Gul
- Shaheed Benazir Bhutto Women University, Peshawar, Pakistan
| | - Aishma Khattak
- Shaheed Benazir Bhutto Women University, Peshawar, Pakistan
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139
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Phung J, Wang CA, Reeders J, Chan EC, Riveros C, Zakar T, Paul JW, Pennell CE, Smith R. Preterm labor is a distinct process from term labor following computational analysis of human myometrium. Am J Obstet Gynecol 2022; 226:106.e1-106.e16. [PMID: 34245680 DOI: 10.1016/j.ajog.2021.07.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 06/09/2021] [Accepted: 07/03/2021] [Indexed: 11/20/2022]
Abstract
BACKGROUND The onset of the term human parturition involves myometrial gene expression changes to transform the uterus from a quiescent to a contractile phenotype. It is uncertain whether the same changes occur in the uterus during preterm labor. OBJECTIVE This study aimed to compare the myometrial gene expression between term and preterm labor and to determine whether the presence of acute clinical chorioamnionitis or twin gestation affects these signatures. STUDY DESIGN Myometrial specimens were collected during cesarean delivery from the following 7 different groups of patients: term not in labor (n=31), term labor (n=13), preterm not in labor (n=21), preterm labor with acute clinical chorioamnionitis (n=6), preterm labor with no acute clinical chorioamnionitis (n=9), twin preterm not in labor (n=8), and twin preterm labor with no acute clinical chorioamnionitis (n=5). RNA was extracted, reverse transcribed and quantitative polymerase chain reactions were performed on 44 candidate genes (with evidence for differential expression in human term labor) using the Fluidigm platform. Computational analysis was performed using 2-class unpaired Wilcoxon tests and principal component analysis. RESULTS Computational analysis revealed that gene expression in the preterm myometrium, irrespective of whether in labor or not in labor, clustered tightly and is clearly different from the term labor and term not-in-labor groups. This was true for both singleton and twin pregnancies. Principal component analysis showed that 57% of the variation was explained by 3 principal components. These 44 genes interact in themes of prostaglandin activity and inflammatory signaling known to be important during term labor, but are not a full representation of the myometrium transcriptional activity. CONCLUSION The myometrial contractions associated with preterm labor are associated with a pattern of gene expression that is distinct from term labor. Therefore, preterm labor may be initiated by a different myometrial process or processes outside the myometrium.
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Sohn SH, Sul HJ, Kim BJ, Kim HS, Zang DY. Entrectinib Induces Apoptosis and Inhibits the Epithelial-Mesenchymal Transition in Gastric Cancer with NTRK Overexpression. Int J Mol Sci 2021; 23:ijms23010395. [PMID: 35008821 PMCID: PMC8745632 DOI: 10.3390/ijms23010395] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 12/24/2021] [Accepted: 12/29/2021] [Indexed: 01/16/2023] Open
Abstract
Tropomyosin receptor kinase (TRK) and receptor tyrosine kinase (RTK class VII) expression are important in many human diseases, especially cancers, including colorectal, lung, and gastric cancer. Using RNA sequencing analysis, we evaluated the mRNA expression and mutation profiles of gastric cancer patients with neurotropic tropomyosin receptor kinase (NTRK) 1-3 overexpression (defined as a ≥2.0-fold change). Furthermore, we screened eight TRK inhibitors in NCI-N87, SNU16, MKN28, MKN7, and AGS cells. Among these inhibitors, entrectinib showed the highest inhibitory activity; therefore, this drug was selected for analysis of its therapeutic mechanisms in gastric cancer. Entrectinib treatment induced apoptosis in NTRK1-3-expressing and VEGFR2-expressing NCI-N87 and AGS cells, but it had no effect on NTRK1-3-, VEGFR2-, TGFBR1-, and CD274-expressing MKN7 cells. SNU16 and MKN28 cells with low NTRK1-3 expression were not affected by entrectinib. Therefore, a mechanistic study was conducted in NCI-N87 (high expression of NTRK1-3 but mutation of NTRK3), AGS (high expression of NTRK1-3) and MKN28 (low expression of NTRK1-3) gastric cancer cell lines. Entrectinib treatment significantly reduced expression levels of phosphorylated NFκB, AKT, ERK, and β-catenin in NCI-N87 and AGS cells, whereas it upregulated the expression levels of ECAD in NCI-N87 cells. Together, these results suggest that entrectinib has anti-cancer activity not only in GC cells overexpressing pan NTRK but also in VEGFR2 GC cells via the inhibition of the pan NTRK and VEGFR signaling pathways.
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Affiliation(s)
- Sung-Hwa Sohn
- Hallym Translational Research Institute, Hallym University Sacred Heart Hospital, Anyang 14066, Korea; (S.-H.S.); (H.J.S.)
| | - Hee Jung Sul
- Hallym Translational Research Institute, Hallym University Sacred Heart Hospital, Anyang 14066, Korea; (S.-H.S.); (H.J.S.)
| | - Bum Jun Kim
- Department of Internal Medicine, Hallym University Medical Center, Hallym University College of Medicine, Anyang 14068, Korea; (B.J.K.); (H.S.K.)
| | - Hyeong Su Kim
- Department of Internal Medicine, Hallym University Medical Center, Hallym University College of Medicine, Anyang 14068, Korea; (B.J.K.); (H.S.K.)
| | - Dae Young Zang
- Hallym Translational Research Institute, Hallym University Sacred Heart Hospital, Anyang 14066, Korea; (S.-H.S.); (H.J.S.)
- Department of Internal Medicine, Hallym University Medical Center, Hallym University College of Medicine, Anyang 14068, Korea; (B.J.K.); (H.S.K.)
- Correspondence: ; Tel.: +82-31-380-4167
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Pramanik KK, Mishra R. ERK-mediated upregulation of matrix metalloproteinase-2 promotes the invasiveness in human oral squamous cell carcinoma (OSCC). Exp Cell Res 2021; 411:112984. [PMID: 34951997 DOI: 10.1016/j.yexcr.2021.112984] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 11/21/2021] [Accepted: 12/15/2021] [Indexed: 12/15/2022]
Abstract
BACKGROUND Loco-regional invasion is commonly found in oral squamous cell carcinoma (OSCC) and is associated with its poor survival rate. Matrix metalloproteinase-2 (MMP-2) has been implicated in OSCC progression, but its regulation is poorly understood. MATERIALS AND METHODS Here, one hundred twenty-seven different post-operated human oral cancer tissue samples were analyzed. The messenger RNA (mRNA) expression, protein expression, and MMP-2 activity and MT1-MMP, TIMP-2, and TFs (NFκB, AP1, Sp1, and Twist) were observed semi-quantitative RT-PCR, western blotting, and gelatin zymography. In addition, OSCC derived Cal-27, SCC4/9 cells, photochemical ECGC, and MAPK-pathway inhibitor PD98059 were utilized for in vitro testing and wound healing assay. RESULT s: Increased protein and activity level of MMP-2 was detected in non-invasive (N0) and invasive (N1-3) oral tumors as compared to the control (adjacent normal) samples. MMP-2 protein and mRNA expression were positively associated with the TFs and MT1-MMP, negatively associated with TIMP-2 expression. Similarly, the MMP-2 expression/activity was related to several signal-transduction pathways like ERK1/2 and wnt-β-catenin pathways. Treatment of ECGC/MEK inhibitor (PD98059) diminished MMP-2 activity and invasion/migration potential in OSCC. CONCLUSION Our research suggests that the ERK1/2 driven overexpression/activation of MMP-2 was linked with the overall OSCC invasion and metastasis. Treatment of MEK inhibitor (PD98059) and ECGC diminished MMP-2 activity and thus could be exploited as a therapeutic strategy to control the invasive OSCC.
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Affiliation(s)
- Kamdeo Kumar Pramanik
- Department of Life Sciences, School of Natural Sciences, Central University of Jharkhand, Ratu-Lohardaga Road, Brambe, Ranchi, 835205, Jharkhand, India.
| | - Rajakishore Mishra
- Department of Life Sciences, School of Natural Sciences, Central University of Jharkhand, Ratu-Lohardaga Road, Brambe, Ranchi, 835205, Jharkhand, India.
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Li Y, Li P, He Q, Zhang R, Li Y, Kamar N, Peppelenbosch MP, de Man RA, Wang L, Pan Q. Niclosamide inhibits hepatitis E virus through suppression of NF-kappaB signalling. Antiviral Res 2021; 197:105228. [PMID: 34929248 DOI: 10.1016/j.antiviral.2021.105228] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 12/05/2021] [Accepted: 12/15/2021] [Indexed: 11/28/2022]
Abstract
Hepatitis E virus (HEV) infection can cause severe acute hepatitis in pregnant women and chronic infection in immunocompromised patients, promoting the development of effective antiviral therapies. In this study, we identified niclosamide, a widely used anthelmintic drug, as a potent inhibitor of HEV replication in a range of subgenomic and full-length HEV models, which are based on human cell lines and liver organoids harbouring genotype 1 and 3 HEV strains. Niclosamide is known to have multiple cellular targets including the inhibition of STAT3 and NFκB signaling pathways. Although HEV activates STAT3, we excluded its involvement in the anti-HEV activity of niclosamide. Interestingly, HEV infection activated NFκB and activation of NFκB promoted viral replication. Consistently, stable silencing of NFκB by lentiviral RNAi inhibited HEV replication. By targeting NFκB signaling, we further revealed its role in mediating the anti-HEV action of niclosamide. These results demonstrated that niclosamide potently inhibits HEV replication by inhibiting NFκB signaling but independent of STAT3. Our findings support the potential of repurposing niclosamide for treating HEV infection.
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Affiliation(s)
- Yunlong Li
- Department of Gastroenterology and Hepatology, Erasmus MC-University Medical Center, Rotterdam, the Netherlands
| | - Pengfei Li
- Department of Gastroenterology and Hepatology, Erasmus MC-University Medical Center, Rotterdam, the Netherlands
| | - Qiyu He
- Department of Microbiology and Infectious Disease Centre, School of Basic Medical Sciences, Peking University Health Science Centre, Beijing, China
| | - Ruyi Zhang
- Department of Gastroenterology and Hepatology, Erasmus MC-University Medical Center, Rotterdam, the Netherlands
| | - Yang Li
- Department of Gastroenterology and Hepatology, Erasmus MC-University Medical Center, Rotterdam, the Netherlands
| | - Nassim Kamar
- Department of Nephrology, Dialysis and Organ Transplantation, CHU Rangueil, INSERM U1043, IFR-BMT, University Paul Sabatier, Toulouse, France
| | - Maikel P Peppelenbosch
- Department of Gastroenterology and Hepatology, Erasmus MC-University Medical Center, Rotterdam, the Netherlands
| | - Robert A de Man
- Department of Gastroenterology and Hepatology, Erasmus MC-University Medical Center, Rotterdam, the Netherlands
| | - Lin Wang
- Department of Microbiology and Infectious Disease Centre, School of Basic Medical Sciences, Peking University Health Science Centre, Beijing, China
| | - Qiuwei Pan
- Department of Gastroenterology and Hepatology, Erasmus MC-University Medical Center, Rotterdam, the Netherlands.
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143
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Marino S, Hannemann N, Bishop RT, Zeng F, Carrasco G, Meurisse S, Li B, Sophocleous A, Sparatore A, Baeuerle T, Vukicevic S, Auberval M, Mollat P, Bozec A, Idris AI. Anti-inflammatory, but not osteoprotective, effect of the TRAF6/CD40 inhibitor 6877002 in rodent models of local and systemic osteolysis. Biochem Pharmacol 2021; 195:114869. [PMID: 34896056 DOI: 10.1016/j.bcp.2021.114869] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 12/02/2021] [Accepted: 12/02/2021] [Indexed: 12/19/2022]
Abstract
NFκB plays a key role in inflammation and skeletal disorders. Previously, we reported that pharmacological inhibition of NFκB at the level of TRAF6 suppressed RANKL, CD40L and IL1β-induced osteoclastogenesis and attenuated cancer-induced bone disease. TNFα is also known to regulate TRAF6/NFκB signalling, however the anti-inflammatory and osteoprotective effects associated with inhibition of the TNFα/TRAF6/NFκB axis have not been investigated. Here, we show that in vitro and ex vivo exposure to the verified small-molecule inhibitor of TRAF6, 6877002 prevented TNFα-induced NFκB activation, osteoclastogenesis and calvarial osteolysis, but it had no effects on TNFα-induced apoptosis or growth inhibition in osteoblasts. Additionally, 6877002 disrupted T-cells support for osteoclast formation and synoviocyte motility, without affecting the viability of osteoblasts in the presence of T-cells derived factors. Using the collagen-induced arthritis model, we show that oral and intraperitoneal administration of 6877002 in mice reduced joint inflammation and arthritis score. Unexpectedly, no difference in trabecular and cortical bone parameters were detected between vehicle and 6877002 treated mice, indicating lack of osteoprotection by 6877002 in the arthritis model described. Using two independent rodent models of osteolysis, we confirmed that 6877002 had no effect on trabecular and cortical bone loss in both osteoporotic rats or RANKL- treated mice. In contrast, the classic anti-osteolytic alendronate offered complete osteoprotection in RANKL- treated mice. In conclusion, TRAF6 inhibitors may be of value in the management of the inflammatory component of bone disorders, but may not offer protection against local or systemic bone loss, unless combined with anti-resorptive therapy such as bisphosphonates.
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Affiliation(s)
- Silvia Marino
- Department of Oncology and Metabolism, University of Sheffield, Medical School, Beech Hill Road, Sheffield S10 2RX, UK; Bone and Cancer Group, Edinburgh Cancer Research Centre, MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, EH4 2XR, UK
| | - Nicole Hannemann
- Department of Internal Medicine, 3-Rheumatology and Immunology, Friedrich-Alexander University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Ryan T Bishop
- Department of Oncology and Metabolism, University of Sheffield, Medical School, Beech Hill Road, Sheffield S10 2RX, UK
| | - Feier Zeng
- Department of Oncology and Metabolism, University of Sheffield, Medical School, Beech Hill Road, Sheffield S10 2RX, UK
| | - Giovana Carrasco
- Department of Oncology and Metabolism, University of Sheffield, Medical School, Beech Hill Road, Sheffield S10 2RX, UK
| | - Sandrine Meurisse
- Galapagos SASU, 102 Avenue Gaston Roussel, 93230 Romainville, France
| | - Boya Li
- Department of Oncology and Metabolism, University of Sheffield, Medical School, Beech Hill Road, Sheffield S10 2RX, UK
| | - Antonia Sophocleous
- Department of Life Sciences, School of Sciences, European University Cyprus, 6 Diogenes Street, 1516 Nicosia, Cyprus
| | - Anna Sparatore
- University of Milano, Department of Pharmaceutical Science, Milan, Italy
| | - Tobias Baeuerle
- Institute of Radiology, Friedrich-Alexander-Universität Erlangen-Nürnberg and Universitätsklinikum, Erlangen, Bayern, Germany
| | - Slobodan Vukicevic
- Department of Anatomy, Medical School, University of Zagreb, Zagreb, Croatia
| | - Marielle Auberval
- Galapagos SASU, 102 Avenue Gaston Roussel, 93230 Romainville, France
| | - Patrick Mollat
- Galapagos SASU, 102 Avenue Gaston Roussel, 93230 Romainville, France
| | - Aline Bozec
- Department of Internal Medicine, 3-Rheumatology and Immunology, Friedrich-Alexander University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Aymen I Idris
- Department of Oncology and Metabolism, University of Sheffield, Medical School, Beech Hill Road, Sheffield S10 2RX, UK; Bone and Cancer Group, Edinburgh Cancer Research Centre, MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, EH4 2XR, UK.
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144
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Singh S, Singh T, Kunja C, Dhoat NS, Dhania NK. Gene-editing, immunological and iPSCs based therapeutics for muscular dystrophy. Eur J Pharmacol 2021; 912:174568. [PMID: 34656607 DOI: 10.1016/j.ejphar.2021.174568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 09/25/2021] [Accepted: 10/11/2021] [Indexed: 10/20/2022]
Abstract
Muscular dystrophy is a well-known genetically heterogeneous group of rare muscle disorders. This progressive disease causes the breakdown of skeletal muscles over time and leads to grave weakness. This breakdown is caused by a diverse pattern of mutations in dystrophin and dystrophin associated protein complex. These mutations lead to the production of altered proteins in response to which, the body stimulates production of various cytokines and immune cells, particularly reactive oxygen species and NFκB. Immune cells display/exhibit a dual role by inducing muscle damage and muscle repair. Various anti-oxidants, anti-inflammatory and glucocorticoid drugs serve as potent therapeutics for muscular dystrophy. Along with the above mentioned therapeutics, induced pluripotent stem cells also serve as a novel approach paving a way for personalized treatment. These pluripotent stem cells allow regeneration of large numbers of regenerative myogenic progenitors that can be administered in muscular dystrophy patients which assist in the recovery of lost muscle fibers. In this review, we have summarized gene-editing, immunological and induced pluripotent stem cell based therapeutics for muscular dystrophy treatment.
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Affiliation(s)
- Shagun Singh
- Department of Human Genetics and Molecular Medicine, School of Health Sciences, Central University of Punjab, Bathinda-151001, Punjab, India
| | - Tejpal Singh
- Department of Human Genetics and Molecular Medicine, School of Health Sciences, Central University of Punjab, Bathinda-151001, Punjab, India
| | - Chaitanya Kunja
- Department of Human Genetics and Molecular Medicine, School of Health Sciences, Central University of Punjab, Bathinda-151001, Punjab, India
| | - Navdeep S Dhoat
- Department of Pediatrics Surgery, All India Institute of Medical Sciences, Bathinda, 151001, Punjab, India
| | - Narender K Dhania
- Department of Human Genetics and Molecular Medicine, School of Health Sciences, Central University of Punjab, Bathinda-151001, Punjab, India.
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145
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Bhat SA, Fatima Z, Sood A, Shukla R, Hanif K. The Protective Effects of AT2R Agonist, CGP42112A, Against Angiotensin II-Induced Oxidative Stress and Inflammatory Response in Astrocytes: Role of AT2R/PP2A/ NFκB/ROS Signaling. Neurotox Res 2021; 39:1991-2006. [PMID: 34529240 DOI: 10.1007/s12640-021-00403-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 08/16/2021] [Accepted: 08/17/2021] [Indexed: 02/05/2023]
Abstract
Angiotensin II receptor type 2 (AT2R) agonists have been known to promote neuroprotection by limiting ischemic insult, neuronal proliferation, and differentiation. Further, AT2R agonists have also been associated with the suppression of neuroinflammation and neurodegeneration. Of note, brain astrocytes play a critical role in these neuroinflammatory and neurodegenerative processes. However, the role of AT2R in astrocytic activation remains elusive. Therefore, this study evaluated the role and molecular mechanism of AT2R agonist CGP42112A (CGP) against Angiotensin II (Ang II)-induced astrocytic activation in primary astrocytes, and in a rat model of hypertension. Here, we demonstrated that AT2R activation by CGP abrogated Ang II-induced astrocytic activation, by mitigating the ROS production, mitochondrial dysfunction, IκB-α degradation, NFκB nuclear translocation, and release of TNF-α in astrocytes. However, AT2R-mediated anti-inflammatory effects were reversed by AT2R antagonist, PD123319 (PD), in both in vitro and in vivo conditions. Mechanistically, AT2R via protein phosphatase-2A (PP2A) abrogated the Ang II-induced NFκB activation, ROS generation, and subsequent astrocytic activation. Importantly, PP2A antagonist, okadaic acid, reversed the anti-inflammatory effects of AT2R in Ang II-stimulated primary astrocytes and in the cortex of hypertensive rats. Thus, the present study suggests that AT2R by activating PP2A inhibits oxidative stress and NFκB activation, thereby preventing the astrocytic pro-inflammatory activation. Therefore, AT2R might be advantageous therapeutic target for neuroinflammatory/neurodegenerative diseases perpetuated by astrocytic activation.
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Affiliation(s)
- Shahnawaz Ali Bhat
- Division of Pharmacology, CSIR-Central Drug Research Institute, Sector 10, Jankipuram Extension, Sitapur Road, Lucknow, 226031, Uttar Pradesh, India.
- Department of Zoology, Aligarh Muslim University, Aligarh, India.
| | | | - Anika Sood
- National Institute of Pharmaceutical Education and Research, Rae Bareli, India
| | - Rakesh Shukla
- Division of Pharmacology, CSIR-Central Drug Research Institute, Sector 10, Jankipuram Extension, Sitapur Road, Lucknow, 226031, Uttar Pradesh, India
| | - Kashif Hanif
- Division of Pharmacology, CSIR-Central Drug Research Institute, Sector 10, Jankipuram Extension, Sitapur Road, Lucknow, 226031, Uttar Pradesh, India.
- Academy of Scientific and Innovative Research, New Delhi, India.
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146
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Rudek LS, Zimmermann K, Galla M, Meyer J, Kuehle J, Stamopoulou A, Brand D, Sandalcioglu IE, Neyazi B, Moritz T, Rossig C, Altvater B, Falk CS, Abken H, Morgan MA, Schambach A. Generation of an NFκB-Driven Alpharetroviral "All-in-One" Vector Construct as a Potent Tool for CAR NK Cell Therapy. Front Immunol 2021; 12:751138. [PMID: 34804035 PMCID: PMC8595471 DOI: 10.3389/fimmu.2021.751138] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Accepted: 10/12/2021] [Indexed: 11/13/2022] Open
Abstract
Immune cell therapeutics are increasingly applied in oncology. Especially chimeric antigen receptor (CAR) T cells are successfully used to treat several B cell malignancies. Efforts to engineer CAR T cells for improved activity against solid tumors include co-delivery of pro-inflammatory cytokines in addition to CARs, via either constitutive cytokine expression or inducible cytokine expression triggered by CAR recognition of its target antigen-so-called "T cells redirected for universal cytokine-mediated killing" (TRUCKs) or fourth-generation CARs. Here, we tested the hypothesis that TRUCK principles could be expanded to improve anticancer functions of NK cells. A comparison of the functionality of inducible promoters responsive to NFAT or NFκB in NK cells showed that, in contrast to T cells, the inclusion of NFκB-responsive elements within the inducible promoter construct was essential for CAR-inducible expression of the transgene. We demonstrated that GD2CAR-specific activation induced a tight NFκB-promoter-driven cytokine release in NK-92 and primary NK cells together with an enhanced cytotoxic capacity against GD2+ target cells, also shown by increased secretion of cytolytic cytokines. The data demonstrate biologically relevant differences between T and NK cells that are important when clinically translating the TRUCK concept to NK cells for the treatment of solid malignancies.
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Affiliation(s)
- Loreen Sophie Rudek
- Institute of Experimental Hematology, Hannover Medical School, Hannover, Germany
| | - Katharina Zimmermann
- Institute of Experimental Hematology, Hannover Medical School, Hannover, Germany
| | - Melanie Galla
- Institute of Experimental Hematology, Hannover Medical School, Hannover, Germany
| | - Johann Meyer
- Institute of Experimental Hematology, Hannover Medical School, Hannover, Germany
| | - Johannes Kuehle
- Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany.,Department I of Internal Medicine, University Hospital Cologne, Cologne, Germany
| | - Andriana Stamopoulou
- Institute of Experimental Hematology, Hannover Medical School, Hannover, Germany
| | - Daniel Brand
- Institute of Experimental Hematology, Hannover Medical School, Hannover, Germany
| | - I Erol Sandalcioglu
- Department of Neurosurgery, Otto-von-Guericke University, Magdeburg, Germany
| | - Belal Neyazi
- Department of Neurosurgery, Otto-von-Guericke University, Magdeburg, Germany
| | - Thomas Moritz
- Institute of Experimental Hematology, Hannover Medical School, Hannover, Germany
| | - Claudia Rossig
- Department of Pediatric Hematology and Oncology, University Children's Hospital Muenster, Muenster, Germany
| | - Bianca Altvater
- Department of Pediatric Hematology and Oncology, University Children's Hospital Muenster, Muenster, Germany
| | - Christine S Falk
- Institute of Transplant Immunology, Integrated Research and Treatment Center Transplantation, Hannover Medical School, Hannover, Germany
| | - Hinrich Abken
- Regensburg Centre for Interventional Immunology, Department of Genetic Immunotherapy, University Hospital Regensburg, Regensburg, Germany
| | | | - Axel Schambach
- Institute of Experimental Hematology, Hannover Medical School, Hannover, Germany.,Division of Hematology/Oncology, Boston Children's Hospital, Harvard Medical School, Boston, MA, United States
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147
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Begum SMFM, Hemalatha S. Gelidiella acerosa Compounds Target NFκB Cascade in Lung Adenocarcinoma. Appl Biochem Biotechnol 2021; 194:1566-1579. [PMID: 34811638 DOI: 10.1007/s12010-021-03761-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 11/08/2021] [Indexed: 10/19/2022]
Abstract
In carcinogenesis, increased metabolism, abnormal functioning of mitochondria, peroxisomes, aberrant cell signaling, and prolonged inflammation can result in the overproduction of reactive oxygen species (ROS). In turn, excess ROS can upregulate the expression of various signaling pathways including the MAP kinase, PI3K/Akt, and NFκB cascades in cancer. The constitutive expression of NFκB causes drug resistance in lung cancer. Hence, drugs that can enhance the antioxidant activity of enzymes and regulate the NFκB activity are of prime target to manage the drug resistance and inflammation in cancer. This study evaluated the effect of compounds present in ethyl acetate extract of Gelidiella acerosa on inflammation and on antioxidant enzymes in lung cancer. The anti-inflammatory activity was determined under in silico and in vitro conditions. The in silico analysis showed that the phyto-constituents of G. acerosa inhibit the IKBα-NFκB-p65-p50 complex in a similar way as that of doxorubicin and dexamethasone. Similarly, G. acerosa treatment enhanced the efficiency of antioxidant enzymes peroxidases and superoxide dismutase in A549 lung cancer cells. Furthermore, the results of in vitro analysis showed that G. acerosa can decrease the activation of NFκB and production of pro-inflammatory cytokines and upregulate the expression of IL 10. As inflammation causes cancer progression, the inhibition of inflammation inhibits tumorigenesis. Hence, based on the results of the study, it can be concluded that G. acerosa exerts anti-inflammatory activity by decreasing the expression of NFκB cascade and moreover, the phyto-constituents of G. acerosa may have the potential to regulate the inflammatory response.
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Affiliation(s)
- S M Fazeela Mahaboob Begum
- School of Life Sciences, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai, 600048, India.,Department of Biochemistry, New Prince Shri Bhavani Arts and Science College, Chennai, India
| | - S Hemalatha
- School of Life Sciences, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai, 600048, India.
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148
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Sherlock LG, Balasubramaniyan D, Zheng L, Grayck M, McCarthy WC, De Dios RC, Zarate MA, Orlicky DJ, De Dios R, Wright CJ. APAP-induced IκBβ/ NFκB signaling drives hepatic IL6 expression and associated sinusoidal dilation. Toxicol Sci 2021; 185:158-169. [PMID: 34726736 DOI: 10.1093/toxsci/kfab131] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Acetaminophen (APAP) overdose results in high morbidity and mortality, with limited treatment options. Increased understanding of the cellular signaling pathways activated in response to toxic APAP exposure is needed to provide insight into novel therapeutic strategies. Toxic APAP exposure induces hepatic nuclear factor kappa B (NFκB) activation. NFκB signaling has been identified to mediate the pro-inflammatory response, but also induces a pro-survival and regenerative response. It is currently unknown whether potentiating NFkB activation would be injurious or advantageous after APAP overdose. The NFκB inhibitory protein beta (IκBβ) dictates the duration and degree of the NFκB response following exposure to oxidative injuries. Thus, we sought to determine whether IκBβ/NFκB signaling contributes to APAP-induced hepatic injury. At late time points (24 hours) following toxic APAP exposures, mice expressing only IκBβ (AKBI mice) exhibited increased serologic evidence of hepatic injury. This corresponded with increased histologic injury, specifically related to sinusoidal dilatation. Compared to wild-type (WT) mice, AKBI mice demonstrated sustained hepatic nuclear translocation of the NFκB subunits p65 and p50, and enhanced NFκB target gene expression. This included increased expression of interleukin-6 (Il-6), a known contributor to hepatic sinusoidal dilation. This transcriptional response corresponded with increased plasma protein content of Il-6, as well as increased activation of signal transducer and activator of transcription 3 (STAT3). Impact Statement: IκBβ/NFκB signaling is associated with a pro-inflammatory response, exacerbated Il-6 and STAT3 activation, and this was associated with late development of sinusoidal dilatation. Thus, targeting sustained IκBβ/NFκB signaling may represent a novel therapeutic approach to attenuate late hepatic injury following toxic APAP exposure.
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Affiliation(s)
- Laura G Sherlock
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO
| | | | - Lijun Zheng
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO
| | - Maya Grayck
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO
| | - William C McCarthy
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO
| | - Robert C De Dios
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO
| | - Miguel A Zarate
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO
| | - David J Orlicky
- Dept of Pathology, University of Colorado Anschutz School of Medicine, Aurora, CO
| | - Robyn De Dios
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO
| | - Clyde J Wright
- Section of Neonatology, Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO
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149
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Raikwar SP, Thangavel R, Ahmed ME, Selvakumar GP, Kempuraj D, Wu K, Khan O, Bazley K, Bussinger B, Kukulka K, Zaheer S, Iyer SS, Govindarajan R, Burton C, James D, Zaheer A. Real-Time Noninvasive Bioluminescence, Ultrasound and Photoacoustic Imaging in NFκB-RE-Luc Transgenic Mice Reveal Glia Maturation Factor-Mediated Immediate and Sustained Spatio-Temporal Activation of NFκB Signaling Post-Traumatic Brain Injury in a Gender-Specific Manner. Cell Mol Neurobiol 2021; 41:1687-1706. [PMID: 32785863 PMCID: PMC8188847 DOI: 10.1007/s10571-020-00937-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Accepted: 08/05/2020] [Indexed: 12/15/2022]
Abstract
Neurotrauma especially traumatic brain injury (TBI) is the leading cause of death and disability worldwide. To improve upon the early diagnosis and develop precision-targeted therapies for TBI, it is critical to understand the underlying molecular mechanisms and signaling pathways. The transcription factor, nuclear factor kappa B (NFκB), which is ubiquitously expressed, plays a crucial role in the normal cell survival, proliferation, differentiation, function, as well as in disease states like neuroinflammation and neurodegeneration. Here, we hypothesized that real-time noninvasive bioluminescence molecular imaging allows rapid and precise monitoring of TBI-induced immediate and rapid spatio-temporal activation of NFκB signaling pathway in response to Glia maturation factor (GMF) upregulation which in turn leads to neuroinflammation and neurodegeneration post-TBI. To test and validate our hypothesis and to gain novel mechanistic insights, we subjected NFκB-RE-Luc transgenic male and female mice to TBI and performed real-time noninvasive bioluminescence imaging (BLI) as well as photoacoustic and ultrasound imaging (PAI). Our BLI data revealed that TBI leads to an immediate and sustained activation of NFκB signaling. Further, our BLI data suggest that especially in male NFκB-RE-Luc transgenic mice subjected to TBI, in addition to brain, there is widespread activation of NFκB signaling in multiple organs. However, in the case of the female NFκB-RE-Luc transgenic mice, TBI induces a very specific and localized activation of NFκB signaling in the brain. Further, our microRNA data suggest that TBI induces significant upregulation of mir-9-5p, mir-21a-5p, mir-34a-5p, mir-16-3p, as well as mir-155-5p within 24 h and these microRNAs can be successfully used as TBI-specific biomarkers. To the best of our knowledge, this is one of the first and unique study of its kind to report immediate and sustained activation of NFκB signaling post-TBI in a gender-specific manner by utilizing real-time non-invasive BLI and PAI in NFκB-RE-Luc transgenic mice. Our study will prove immensely beneficial to gain novel mechanistic insights underlying TBI, unravel novel therapeutic targets, as well as enable us to monitor in real-time the response to innovative TBI-specific precision-targeted gene and stem cell-based precision medicine.
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Affiliation(s)
- Sudhanshu P Raikwar
- Department of Neurology, School of Medicine, University of Missouri, Columbia, MO, USA.
- Center for Translational Neuroscience, School of Medicine, University of Missouri, Columbia, MO, USA.
- Harry S. Truman Memorial Veterans' Hospital, Columbia, MO, USA.
| | - Ramasamy Thangavel
- Department of Neurology, School of Medicine, University of Missouri, Columbia, MO, USA
- Center for Translational Neuroscience, School of Medicine, University of Missouri, Columbia, MO, USA
- Harry S. Truman Memorial Veterans' Hospital, Columbia, MO, USA
| | - Mohammad Ejaz Ahmed
- Department of Neurology, School of Medicine, University of Missouri, Columbia, MO, USA
- Center for Translational Neuroscience, School of Medicine, University of Missouri, Columbia, MO, USA
- Harry S. Truman Memorial Veterans' Hospital, Columbia, MO, USA
| | - Govindhasamy Pushpavathi Selvakumar
- Department of Neurology, School of Medicine, University of Missouri, Columbia, MO, USA
- Center for Translational Neuroscience, School of Medicine, University of Missouri, Columbia, MO, USA
- Harry S. Truman Memorial Veterans' Hospital, Columbia, MO, USA
| | - Duraisamy Kempuraj
- Department of Neurology, School of Medicine, University of Missouri, Columbia, MO, USA
- Center for Translational Neuroscience, School of Medicine, University of Missouri, Columbia, MO, USA
- Harry S. Truman Memorial Veterans' Hospital, Columbia, MO, USA
| | - Kristopher Wu
- Department of Neurology, School of Medicine, University of Missouri, Columbia, MO, USA
- Center for Translational Neuroscience, School of Medicine, University of Missouri, Columbia, MO, USA
| | - Osaid Khan
- Department of Neurology, School of Medicine, University of Missouri, Columbia, MO, USA
- Center for Translational Neuroscience, School of Medicine, University of Missouri, Columbia, MO, USA
| | - Kieran Bazley
- Department of Neurology, School of Medicine, University of Missouri, Columbia, MO, USA
- Center for Translational Neuroscience, School of Medicine, University of Missouri, Columbia, MO, USA
| | - Bret Bussinger
- Department of Neurology, School of Medicine, University of Missouri, Columbia, MO, USA
- Center for Translational Neuroscience, School of Medicine, University of Missouri, Columbia, MO, USA
| | - Klaudia Kukulka
- Department of Neurology, School of Medicine, University of Missouri, Columbia, MO, USA
- Center for Translational Neuroscience, School of Medicine, University of Missouri, Columbia, MO, USA
| | - Smita Zaheer
- Department of Neurology, School of Medicine, University of Missouri, Columbia, MO, USA
- Center for Translational Neuroscience, School of Medicine, University of Missouri, Columbia, MO, USA
| | - Shankar S Iyer
- Department of Neurology, School of Medicine, University of Missouri, Columbia, MO, USA
- Center for Translational Neuroscience, School of Medicine, University of Missouri, Columbia, MO, USA
- Harry S. Truman Memorial Veterans' Hospital, Columbia, MO, USA
| | - Raghav Govindarajan
- Department of Neurology, School of Medicine, University of Missouri, Columbia, MO, USA
| | | | | | - Asgar Zaheer
- Department of Neurology, School of Medicine, University of Missouri, Columbia, MO, USA.
- Center for Translational Neuroscience, School of Medicine, University of Missouri, Columbia, MO, USA.
- Harry S. Truman Memorial Veterans' Hospital, Columbia, MO, USA.
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150
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Dopkins N, Neameh WH, Hall A, Lai Y, Rutkovsky A, Gandy AO, Lu K, Nagarkatti PS, Nagarkatti M. Effects of Acute 2,3,7,8-Tetrachlorodibenzo-p-Dioxin Exposure on the Circulating and Cecal Metabolome Profile. Int J Mol Sci 2021; 22:11801. [PMID: 34769237 PMCID: PMC8583798 DOI: 10.3390/ijms222111801] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 10/28/2021] [Accepted: 10/28/2021] [Indexed: 02/06/2023] Open
Abstract
2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) is a polyhalogenated planar hydrocarbon belonging to a group of highly toxic and persistent environmental contaminants known as "dioxins". TCDD is an animal teratogen and carcinogen that is well characterized for causing immunosuppression through activation of aryl hydrocarbon receptor (AHR). In this study, we investigated the effect of exposure of mice to an acute dose of TCDD on the metabolic profile within the serum and cecal contents to better define the effects of TCDD on host physiology. Our findings demonstrated that within the circulating metabolome following acute TCDD exposure, there was significant dysregulation in the metabolism of bioactive lipids, amino acids, and carbohydrates when compared with the vehicle (VEH)-treated mice. These widespread changes in metabolite abundance were identified to regulate host immunity via modulating nuclear factor-kappa B (NF-κB) and extracellular signal-regulated protein kinase (ERK1/2) activity and work as biomarkers for a variety of organ injuries and dysfunctions that follow TCDD exposure. Within the cecal content of mice exposed to TCDD, we were able to detect changes in inflammatory markers that regulate NF-κB, markers of injury-related inflammation, and changes in lysine degradation, nicotinamide metabolism, and butanoate metabolism, which collectively suggested an immediate suppression of broad-scale metabolic processes in the gastrointestinal tract. Collectively, these results demonstrate that acute TCDD exposure results in immediate irregularities in the circulating and intestinal metabolome, which likely contribute to TCDD toxicity and can be used as biomarkers for the early detection of individual exposure.
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Affiliation(s)
- Nicholas Dopkins
- Department of Pathology, Microbiology and Immunology, University of South Carolina School of Medicine, Columbia, SC 29209, USA; (N.D.); (W.H.N.); (A.H.); (A.R.); (A.O.G.); (P.S.N.)
| | - Wurood Hantoosh Neameh
- Department of Pathology, Microbiology and Immunology, University of South Carolina School of Medicine, Columbia, SC 29209, USA; (N.D.); (W.H.N.); (A.H.); (A.R.); (A.O.G.); (P.S.N.)
| | - Alina Hall
- Department of Pathology, Microbiology and Immunology, University of South Carolina School of Medicine, Columbia, SC 29209, USA; (N.D.); (W.H.N.); (A.H.); (A.R.); (A.O.G.); (P.S.N.)
| | - Yunjia Lai
- Department of Environmental Sciences and Engineering, University of North Carolina, Chapel Hill, NC 27599, USA; (Y.L.); (K.L.)
| | - Alex Rutkovsky
- Department of Pathology, Microbiology and Immunology, University of South Carolina School of Medicine, Columbia, SC 29209, USA; (N.D.); (W.H.N.); (A.H.); (A.R.); (A.O.G.); (P.S.N.)
| | - Alexa Orr Gandy
- Department of Pathology, Microbiology and Immunology, University of South Carolina School of Medicine, Columbia, SC 29209, USA; (N.D.); (W.H.N.); (A.H.); (A.R.); (A.O.G.); (P.S.N.)
| | - Kun Lu
- Department of Environmental Sciences and Engineering, University of North Carolina, Chapel Hill, NC 27599, USA; (Y.L.); (K.L.)
| | - Prakash S. Nagarkatti
- Department of Pathology, Microbiology and Immunology, University of South Carolina School of Medicine, Columbia, SC 29209, USA; (N.D.); (W.H.N.); (A.H.); (A.R.); (A.O.G.); (P.S.N.)
| | - Mitzi Nagarkatti
- Department of Pathology, Microbiology and Immunology, University of South Carolina School of Medicine, Columbia, SC 29209, USA; (N.D.); (W.H.N.); (A.H.); (A.R.); (A.O.G.); (P.S.N.)
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