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Cabaro S, Agognon AL, Nigro C, Orso S, Prevenzano I, Leone A, Morelli C, Mormone F, Romano S, Miele C, Beguinot F, Formisano P, Oriente F. Resveratrol Improves Endothelial Function by A PREP1-Mediated Pathway in Mouse Aortic Endothelial Cells. Int J Mol Sci 2023; 24:11891. [PMID: 37569266 PMCID: PMC10419093 DOI: 10.3390/ijms241511891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 07/13/2023] [Accepted: 07/21/2023] [Indexed: 08/13/2023] Open
Abstract
PREP1 is a homeodomain transcription factor that impairs metabolism and is involved in age-related aortic thickening. In this study, we evaluated the role of PREP1 on endothelial function. Mouse Aortic Endothelial Cells (MAECs) transiently transfected with a Prep1 cDNA showed a 1.5- and 1.6-fold increase in eNOSThr495 and PKCα phosphorylation, respectively. Proinflammatory cytokines Tnf-α and Il-6 increased by 3.5 and 2.3-fold, respectively, in the presence of Prep1, while the antioxidant genes Sod2 and Atf4 were significantly reduced. Bisindolylmaleimide reverted the effects induced by PREP1, suggesting PKCα to be a mediator of PREP1 action. Interestingly, resveratrol, a phenolic micronutrient compound, reduced the PREP1 levels, eNOSThr495, PKCα phosphorylation, and proinflammatory cytokines and increased Sod2 and Atf4 mRNA levels. The experiments performed on the aorta of 18-month-old Prep1 hypomorphic heterozygous mice (Prep1i/+) expressing low levels of this protein showed a 54 and 60% decrease in PKCα and eNOSThr495 phosphorylation and a 45% reduction in Tnf-α levels, with no change in Il-6, compared to same-age WT mice. However, a significant decrease in Sod2 and Atf4 was observed in Prep1i/+ old mice, indicating the lack of age-induced antioxidant response. These results suggest that Prep1 deficiency partially improved the endothelial function in aged mice and suggested PREP1 as a novel target of resveratrol.
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Affiliation(s)
- Serena Cabaro
- Department of Translational Medicine, Federico II University of Naples and URT Genomic of Diabetes of Institute of Experimental Endocrinology and Oncology, National Council of Research (CNR), Via Pansini 5, 80131 Naples, Italy; (S.C.); (A.L.A.); (C.N.); (S.O.); (I.P.); (A.L.); (C.M.); (F.M.); (S.R.); (C.M.); (F.B.); (F.O.)
| | - Ayewa L. Agognon
- Department of Translational Medicine, Federico II University of Naples and URT Genomic of Diabetes of Institute of Experimental Endocrinology and Oncology, National Council of Research (CNR), Via Pansini 5, 80131 Naples, Italy; (S.C.); (A.L.A.); (C.N.); (S.O.); (I.P.); (A.L.); (C.M.); (F.M.); (S.R.); (C.M.); (F.B.); (F.O.)
| | - Cecilia Nigro
- Department of Translational Medicine, Federico II University of Naples and URT Genomic of Diabetes of Institute of Experimental Endocrinology and Oncology, National Council of Research (CNR), Via Pansini 5, 80131 Naples, Italy; (S.C.); (A.L.A.); (C.N.); (S.O.); (I.P.); (A.L.); (C.M.); (F.M.); (S.R.); (C.M.); (F.B.); (F.O.)
| | - Sonia Orso
- Department of Translational Medicine, Federico II University of Naples and URT Genomic of Diabetes of Institute of Experimental Endocrinology and Oncology, National Council of Research (CNR), Via Pansini 5, 80131 Naples, Italy; (S.C.); (A.L.A.); (C.N.); (S.O.); (I.P.); (A.L.); (C.M.); (F.M.); (S.R.); (C.M.); (F.B.); (F.O.)
| | - Immacolata Prevenzano
- Department of Translational Medicine, Federico II University of Naples and URT Genomic of Diabetes of Institute of Experimental Endocrinology and Oncology, National Council of Research (CNR), Via Pansini 5, 80131 Naples, Italy; (S.C.); (A.L.A.); (C.N.); (S.O.); (I.P.); (A.L.); (C.M.); (F.M.); (S.R.); (C.M.); (F.B.); (F.O.)
| | - Alessia Leone
- Department of Translational Medicine, Federico II University of Naples and URT Genomic of Diabetes of Institute of Experimental Endocrinology and Oncology, National Council of Research (CNR), Via Pansini 5, 80131 Naples, Italy; (S.C.); (A.L.A.); (C.N.); (S.O.); (I.P.); (A.L.); (C.M.); (F.M.); (S.R.); (C.M.); (F.B.); (F.O.)
| | - Cristina Morelli
- Department of Translational Medicine, Federico II University of Naples and URT Genomic of Diabetes of Institute of Experimental Endocrinology and Oncology, National Council of Research (CNR), Via Pansini 5, 80131 Naples, Italy; (S.C.); (A.L.A.); (C.N.); (S.O.); (I.P.); (A.L.); (C.M.); (F.M.); (S.R.); (C.M.); (F.B.); (F.O.)
| | - Federica Mormone
- Department of Translational Medicine, Federico II University of Naples and URT Genomic of Diabetes of Institute of Experimental Endocrinology and Oncology, National Council of Research (CNR), Via Pansini 5, 80131 Naples, Italy; (S.C.); (A.L.A.); (C.N.); (S.O.); (I.P.); (A.L.); (C.M.); (F.M.); (S.R.); (C.M.); (F.B.); (F.O.)
| | - Serena Romano
- Department of Translational Medicine, Federico II University of Naples and URT Genomic of Diabetes of Institute of Experimental Endocrinology and Oncology, National Council of Research (CNR), Via Pansini 5, 80131 Naples, Italy; (S.C.); (A.L.A.); (C.N.); (S.O.); (I.P.); (A.L.); (C.M.); (F.M.); (S.R.); (C.M.); (F.B.); (F.O.)
| | - Claudia Miele
- Department of Translational Medicine, Federico II University of Naples and URT Genomic of Diabetes of Institute of Experimental Endocrinology and Oncology, National Council of Research (CNR), Via Pansini 5, 80131 Naples, Italy; (S.C.); (A.L.A.); (C.N.); (S.O.); (I.P.); (A.L.); (C.M.); (F.M.); (S.R.); (C.M.); (F.B.); (F.O.)
| | - Francesco Beguinot
- Department of Translational Medicine, Federico II University of Naples and URT Genomic of Diabetes of Institute of Experimental Endocrinology and Oncology, National Council of Research (CNR), Via Pansini 5, 80131 Naples, Italy; (S.C.); (A.L.A.); (C.N.); (S.O.); (I.P.); (A.L.); (C.M.); (F.M.); (S.R.); (C.M.); (F.B.); (F.O.)
| | - Pietro Formisano
- Department of Translational Medicine, Federico II University of Naples and URT Genomic of Diabetes of Institute of Experimental Endocrinology and Oncology, National Council of Research (CNR), Via Pansini 5, 80131 Naples, Italy; (S.C.); (A.L.A.); (C.N.); (S.O.); (I.P.); (A.L.); (C.M.); (F.M.); (S.R.); (C.M.); (F.B.); (F.O.)
| | - Francesco Oriente
- Department of Translational Medicine, Federico II University of Naples and URT Genomic of Diabetes of Institute of Experimental Endocrinology and Oncology, National Council of Research (CNR), Via Pansini 5, 80131 Naples, Italy; (S.C.); (A.L.A.); (C.N.); (S.O.); (I.P.); (A.L.); (C.M.); (F.M.); (S.R.); (C.M.); (F.B.); (F.O.)
- Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, 80131 Naples, Italy
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Lee TH, Chen JL, Liu PS, Tsai MM, Wang SJ, Hsieh HL. Rottlerin, a natural polyphenol compound, inhibits upregulation of matrix metalloproteinase-9 and brain astrocytic migration by reducing PKC-δ-dependent ROS signal. J Neuroinflammation 2020; 17:177. [PMID: 32505192 PMCID: PMC7276071 DOI: 10.1186/s12974-020-01859-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Accepted: 05/29/2020] [Indexed: 02/07/2023] Open
Abstract
Background Upregulation of matrix metalloproteinase-9 (MMP-9) has been indicated as one of the inflammatory biomarkers. In the central nervous system (CNS), the MMP-9 is induced by several proinflammatory mediators and participates in the CNS disorders, including inflammation and neurodegeneration. In addition, protein kinase Cs (PKCs) has been shown to be involved in regulation of various inflammatory factors like MMP-9 by several stimuli in many cell types. Several phytochemicals are believed to reduce the risk of several inflammatory disorders including the CNS diseases. The rottlerin, a principal phenolic compound of the Kamala plant Mallotus philippinensis, has been shown to possess an array of medicinal properties, including anti-PKC-δ, antitumor, anti-oxidative, and anti-inflammatory activities. Methods Herein, we used rat brain astrocytes (RBA) to demonstrate the signaling mechanisms of phorbol 12-myristate 13-acetate (PMA)-induced MMP-9 expression by zymographic, RT-PCR, subcellular isolation, Western blot, ROS detection, and promoter reporter analyses. Then, we evaluate the effects of rottlerin on PMA-induced MMP-9 expression in RBA and its influencing mechanism. Results We first demonstrated that PMA stimulated activation of various types of PKC, including PKC-δ in RBA. Subsequently, PMA induced MMP-9 expression via PKCδ-mediated reactive oxygen species (ROS) generation, extracellular signal-regulated kinase 1/2 (ERK1/2) activation, and then induced c-Fos/AP-1 signaling pathway. Finally, upregulation of MMP-9 by PMA via the pathway may promote astrocytic migration, and the event could be attenuated by rottlerin. Conclusions These data indicated that rottlerin may have anti-inflammatory activity by reducing these related pathways of PKC-δ-dependent ROS-mediated MMP-9 expression in brain astrocytes.
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Affiliation(s)
- Tsong-Hai Lee
- Stroke Center and Stroke Section, Department of Neurology, College of Medicine, Chang Gung Memorial Hospital, Linkou Medical Center and Chang Gung University, Taoyuan, Taiwan
| | - Jiun-Liang Chen
- Division of Chinese Internal Medicine, Center for Traditional Chinese Medicine, Chang Gung Memorial Hospital and School of Traditional Chinese Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Pei-Shan Liu
- Department of Microbiology, Soochow University, Taipei, Taiwan
| | - Ming-Ming Tsai
- Department of Nursing, Division of Basic Medical Sciences, Research Center for Chinese Herbal Medicine, and Graduate Institute of Health Industry Technology, Chang Gung University of Science and Technology, 261 Wenhua 1st Road, Guishan, Taoyuan, Taiwan.,Department of General Surgery, Chang Gung Memorial Hospital, Chiayi, Taiwan
| | - Su-Jane Wang
- School of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan
| | - Hsi-Lung Hsieh
- Department of Nursing, Division of Basic Medical Sciences, Research Center for Chinese Herbal Medicine, and Graduate Institute of Health Industry Technology, Chang Gung University of Science and Technology, 261 Wenhua 1st Road, Guishan, Taoyuan, Taiwan. .,Department of Neurology, Chang Gung Memorial Hospital, Taoyuan, Taiwan.
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Monroe JD, Johnston AM, Smith ME. The monofunctional platinum(II) compounds, phenanthriplatin and pyriplatin, modulate apoptosis signaling pathways in HEI-OC1 auditory hybridoma cells. Neurotoxicology 2020; 79:104-109. [PMID: 32413439 DOI: 10.1016/j.neuro.2020.04.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 04/20/2020] [Accepted: 04/20/2020] [Indexed: 12/18/2022]
Abstract
Cisplatin is a platinum(II) chemotherapy drug that can cause the side-effect of ototoxicity and hearing loss. The monofunctional platinum(II) complexes, phenanthriplatin and pyriplatin, have recently been investigated as anti-cancer agents but their side-effects are largely unknown. Here, we used the auditory hybridoma cell line, HEI-OC1, to investigate the ototoxicity of cisplatin, phenanthriplatin and pyriplatin. The effect of these compounds against cellular viability, on reactive oxygen species (ROS) production, mitochondrial membrane polarization, caspase-3/7 activity, DNA integrity and caspase-12 expression were measured using spectrophotometric, flow cytometric and blot analyses. We found that the monofunctional complexes and cisplatin decreased cellular viability. All three compounds increased ROS yield at 24 h, but at 48 h, ROS levels returned to normal. Also, the compounds did not depolarize the mitochondrial membrane. All three compounds reduced caspase-3/7 activity at 24 h; cisplatin increased caspase-3/7 activity and caused apoptosis at 48 h. Caspase-12 expression was associated with all three compounds. In summary, the monofunctional complexes may cause ototoxicity like cisplatin. Phenanthriplatin and pyriplatin may cause ototoxicity initially by inducing ROS production, but they may also signal through distinct apoptotic pathways that do not integrate caspases-3/7, or may act at different time-points in the same pathways.
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Affiliation(s)
- Jerry D Monroe
- Department of Biology, Western Kentucky University, Bowling Green, KY 42101, United States
| | - Alexandra M Johnston
- Department of Biology, Western Kentucky University, Bowling Green, KY 42101, United States
| | - Michael E Smith
- Department of Biology, Western Kentucky University, Bowling Green, KY 42101, United States.
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ATF4 Involvement in TLR4 and LOX-1-Induced Host Inflammatory Response to Aspergillus fumigatus Keratitis. J Ophthalmol 2018; 2018:5830202. [PMID: 30647960 PMCID: PMC6311808 DOI: 10.1155/2018/5830202] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Revised: 10/04/2018] [Accepted: 10/11/2018] [Indexed: 12/11/2022] Open
Abstract
Purpose Activating transcription factor 4 (ATF4) is induced by various stressors. Here, we investigated the expression of ATF4 in the host inflammatory response to Aspergillus fumigatus (A. fumigatus) keratitis. Methods A. fumigatus keratitis mouse models developed by intrastromal injection as well as corneal epithelium scratching were examined daily with a slit lamp microscope for corneal opacification and ulceration. Subsequent in vitro experimentation was carried out in human corneal epithelial cells (HCECs) as well as THP-1 macrophages infected with A. fumigatus. Inhibitors, including CLI-095, Poly (I), SCH772984, and SP600125, were used to assess the role of proteins like toll-like receptor 4 (TLR4), lectin-type oxidized LDL receptor 1 (LOX-1), extracellular signal-regulated kinases (ERK1/2), and c-Jun N-terminal kinase (JNK) in ATF4 expression as a response to A. fumigatus infection. This assessment was made in both mouse models and HCECs using western blot. Results Compared to the controls, ATF4 was increased in corneas from two kinds of A. fumigatus keratitis models at 3 days after infection. ATF4 expression was upregulated with A. fumigatus conidia both in HCECs and THP-1 macrophages 16 hours after stimulation. Furthermore, ATF4 expression in response to A. fumigatus infection was shown to be dependent on TLR4 and LOX-1 expression, and ERK1/2 and JNK contributed to the expression of ATF4 in response to A. fumigatus. Conclusion Our results clearly indicate that ATF4 was involved in the host antifungal immune response to A. fumigatus keratitis; expression was found to be dependent on TLR4, LOX-1 expression, and MAPKs pathway.
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Patel M, Sachidanandan M, Adnan M. Serine arginine protein kinase 1 (SRPK1): a moonlighting protein with theranostic ability in cancer prevention. Mol Biol Rep 2018; 46:1487-1497. [PMID: 30535769 DOI: 10.1007/s11033-018-4545-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Accepted: 11/30/2018] [Indexed: 12/15/2022]
Abstract
Serine/arginine protein kinase 1 (SRPK1); a versatile functional moonlighting protein involved in varied cellular activities comprised of cell cycle progression, innate immune response, chromatin reorganization, negative and positive regulation of viral genome replication, protein amino acid phosphorylation, regulation of numerous mRNA-processing pathways, germ cell development as well as inflammation due to acquaintances with many transcription factors and signaling pathways. Several diseases including cancer have been associated with dysregulation of SRPK1. The function of SRPK1 in cancer is contradictory and inexplicable because it acts as both tumor suppressor and promoter based on the type of cell and locale. Over expression of SRPK1 including its role has been recently narrated and associated with several cancers, which includes, lung, glioma, prostate and breast via dysregulated signals from the Akt/eIF4E/HIF-1/VEGF, Erk or MAPK, PI3K/AKT/mTOR, TGF-β, and Wnt/β-catenin signaling pathways. Therefore, SRPK1 has occurred as a promising and possible curative target in cancer. In recent years, few natural and synthetic SRPK1 inhibitors have been discovered. This review emphasizes and highlights the complicated connections between SRPK1 and oncogenic signaling circuits together with the possibility of aiming SRPK1 in the treatment of cancer.
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Affiliation(s)
- Mitesh Patel
- Department of Biosciences, Bapalal Vaidya Botanical Research Centre, Veer Narmad South Gujarat University, Surat, Gujarat, India
| | - Manojkumar Sachidanandan
- Department of Oral Radiology, College of Dentistry, University of Hail, P O Box 2440, Hail, Saudi Arabia
| | - Mohd Adnan
- Department of Biology, Faculty of Science, University of Hail, P O Box 2440, Hail, Saudi Arabia.
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Zhu Y, Wang M, Zhao X, Zhang L, Wu Y, Wang B, Hu W. Rottlerin as a novel chemotherapy agent for adrenocortical carcinoma. Oncotarget 2017; 8:22825-22834. [PMID: 28423559 PMCID: PMC5410265 DOI: 10.18632/oncotarget.15221] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2016] [Accepted: 01/24/2017] [Indexed: 11/25/2022] Open
Abstract
Adrenocortical carcinoma (ACC) is a rare, but aggressive endocrine malignancy with a generally poor clinical outcome. There is no effective therapy for advanced and metastatic ACC. In our study, we found that an existing drug (rottlerin) exerted its tumour-suppressive function in ACC. Specifically, rottlerin inhibited cellular proliferation of ACC cell lines (NCI-H295R and SW-13) in a dose- and time-dependent manner. We also found that rottlerin induced cell apoptosis and promoted G0/G1 cell cycle arrest in ACC cell lines. The cellular migration and invasion of ACC cell lines were decreased after treatment with rottlerin. Further, the molecular expression of lipoprotein receptor related protein 6 (LRP6) and β-catenin were down-regulated in rottlerin-treated ACC cells, which indicated that Wnt/β-catenin signaling was involved in the tumour-suppressive function of rottlerin. To further confirm the anti-tumour function of rottlerin, a nude mouse ACC xenograft model was used. The xenograft growth curves and TUNEL assays demonstrated that rottlerin inhibited proliferation and induced apoptosis in the ACC xenograft model. Furthermore, we verified that rottlerin down-regulated the expression of LRP6 and β-catenin in vivo. The ACC cell line and xenograft mouse model data indicated that rottlerin significantly inhibited proliferation and induced apoptosis of ACC cells, likely via suppression of the Wnt/β-catenin signaling pathway. Our study indicated the potential therapeutic utility of rottlerin as a novel and potential chemotherapeutic agent for ACC.
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Affiliation(s)
- Yi Zhu
- Third Military Medical University, Chongqing, P.R. China.,Guangzhou General Hospital of Guangzhou Military Command, Guangzhou, Guangdong, P.R. China
| | - Minjie Wang
- No. 422 Hospital of PLA, Zhanjiang, Guangdong, P.R. China
| | - Xu Zhao
- Guangzhou General Hospital of Guangzhou Military Command, Guangzhou, Guangdong, P.R. China.,Southern Medical University, Guangzhou, Guangdong, P.R. China
| | - Lei Zhang
- Guangzhou General Hospital of Guangzhou Military Command, Guangzhou, Guangdong, P.R. China
| | - Yigao Wu
- Guangzhou General Hospital of Guangzhou Military Command, Guangzhou, Guangdong, P.R. China
| | - Bangqi Wang
- Guangzhou General Hospital of Guangzhou Military Command, Guangzhou, Guangdong, P.R. China
| | - Weilie Hu
- Guangzhou General Hospital of Guangzhou Military Command, Guangzhou, Guangdong, P.R. China
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