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Jeung D, Lee GE, Chen W, Byun J, Nam SB, Park YM, Lee HS, Kang HC, Lee JY, Kim KD, Hong YS, Lee CJ, Kim DJ, Cho YY. Ribosomal S6 kinase 2-forkhead box protein O4 signaling pathway plays an essential role in melanogenesis. Sci Rep 2024; 14:9440. [PMID: 38658799 PMCID: PMC11043394 DOI: 10.1038/s41598-024-60165-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Accepted: 04/19/2024] [Indexed: 04/26/2024] Open
Abstract
Although previous studies have examined the signaling pathway involved in melanogenesis through which ultraviolet (UV) or α-melanocyte-stimulating hormones (α-MSH) stimuli act as key inducers to produce melanin at the stratum basal layer of the epidermis, the signaling pathway regulating melanogenesis is still controversial. This study reports that α-MSH, not UVA and UVB, acted as a major stimulus of melanogenesis in B16F10 melanoma cells. Signaling pathway analysis using gene knockdown technology and chemical inhibitors, the mitogen-activated protein kinase kinase (MEK)/extracellular signal-regulated kinase (ERK)/p90 ribosomal S6 kinase 2 (RSK2) played an important role in melanogenesis. Unexpectedly, LY294002, a PI3K inhibitor, increased melanogenesis without UV or α-MSH stimulation, suggesting that the PI3K/AKT signaling pathway may not be a major signaling pathway for melanogenesis. Chemical inhibition of the MEKs/ERKs/RSK2 signaling pathway using U0126 or BI-D1870 suppressed melanogenesis by stimulation of UVA or α-MSH stimulation, or both. In particular, the genetic depletion of RSK2 or constitutive active (CA)-RSK2 overexpression showed that RSK2 plays a key role in melanogenesis. Interestingly, forkhead box protein O4 (FOXO4) was phosphorylated by RSK2, resulting in the increase of FOXO4's transactivation activity. Notably, the FOXO4 mutant harboring serine-to-alanine replacement at the phosphorylation sites totally abrogated the transactivation activity and reduced melanin production, indicating that RSK2-mediated FOXO4 activity plays a key role in melanogenesis. Furthermore, kaempferol, a flavonoid inhibiting the RSK2 activity, suppressed melanogenesis. In addition, FOXO4-wt overexpression showed that FOXO4 enhance melanin synthesis. Overall, the RSK2-FOXO4 signaling pathway plays a key role in modulating melanogenesis.
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Affiliation(s)
- Dohyun Jeung
- BK21-4Th Team, College of Pharmacy, The Catholic University of Korea, 43, Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do, 14662, South Korea
| | - Ga-Eun Lee
- BK21-4Th Team, College of Pharmacy, The Catholic University of Korea, 43, Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do, 14662, South Korea
| | - Weidong Chen
- BK21-4Th Team, College of Pharmacy, The Catholic University of Korea, 43, Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do, 14662, South Korea
| | - Jiin Byun
- BK21-4Th Team, College of Pharmacy, The Catholic University of Korea, 43, Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do, 14662, South Korea
| | - Soo-Bin Nam
- BK21-4Th Team, College of Pharmacy, The Catholic University of Korea, 43, Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do, 14662, South Korea
- Biopharmaceutical research center, Ochang Institute of Biological and Environmental Science, Korea Basic Science Institute, 162, Yeongudanji-ro, Ochang-eup, Cheongwon-gu, Cheongju-si, 28119, Republic of Korea
| | - You-Min Park
- BK21-4Th Team, College of Pharmacy, The Catholic University of Korea, 43, Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do, 14662, South Korea
| | - Hye Suk Lee
- BK21-4Th Team, College of Pharmacy, The Catholic University of Korea, 43, Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do, 14662, South Korea
| | - Han Chang Kang
- College of Pharmacy, The Catholic University of Korea, 43, Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do, 14662, South Korea
| | - Joo Young Lee
- BK21-4Th Team, College of Pharmacy, The Catholic University of Korea, 43, Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do, 14662, South Korea
| | - Kwang Dong Kim
- Division of Life Sciences, Gyeongsang National University, 501, Jinju-daero, Jinju-si, Gyeongsangnam-do, 52828, South Korea
| | - Young-Soo Hong
- Anticancer Agent Research Center, Korea Research Institute of Bioscience and Biotechnology, 30, Yeongudanji-ro, Ochang-eup, Cheongju-si, Chongbuk, 28116, South Korea
| | - Cheol-Jung Lee
- Biopharmaceutical research center, Ochang Institute of Biological and Environmental Science, Korea Basic Science Institute, 162, Yeongudanji-ro, Ochang-eup, Cheongwon-gu, Cheongju-si, 28119, Republic of Korea
| | - Dae Joon Kim
- Department of Immunology and Microbiology, School of Medicine, University of Texas Rio Grande Valley, MBMRF, 1.410, 5300, North L St., McAllen, TX, 78504, USA
| | - Yong-Yeon Cho
- BK21-4Th Team, College of Pharmacy, The Catholic University of Korea, 43, Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do, 14662, South Korea.
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Bhuia MS, Wilairatana P, Chowdhury R, Rakib AI, Kamli H, Shaikh A, Coutinho HDM, Islam MT. Anticancer Potentials of the Lignan Magnolin: A Systematic Review. Molecules 2023; 28:3671. [PMID: 37175081 PMCID: PMC10180476 DOI: 10.3390/molecules28093671] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 04/20/2023] [Accepted: 04/21/2023] [Indexed: 05/15/2023] Open
Abstract
Magnolin is a naturally occurring, multi-bioactive lignan molecule with inherent anticancer effects. This study aims to summarize the botanical origins and anticancer properties of magnolin. For this, a recent (as of March 2023) literature review was conducted using various academic search engines, including PubMed, Springer Link, Wiley Online, Web of Science, Science Direct, and Google Scholar. All the currently available information about this phytochemical and its role in various cancer types has been gathered and investigated. Magnolin is a compound found in many different plants. It has been demonstrated to have anticancer activity in numerous experimental models by inhibiting the cell cycle (G1 and G2/M phase); inducing apoptosis; and causing antiinvasion, antimetastasis, and antiproliferative effects via the modulation of several pathways. In conclusion, magnolin showed robust anticancer activity against many cancer cell lines by altering several cancer signaling pathways in various non- and pre-clinical experimental models, making it a promising plant-derived chemotherapeutic option for further clinical research.
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Affiliation(s)
- Md. Shimul Bhuia
- Department of Pharmacy, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalganj 8100, Bangladesh; (M.S.B.)
| | - Polrat Wilairatana
- Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand
| | - Raihan Chowdhury
- Department of Pharmacy, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalganj 8100, Bangladesh; (M.S.B.)
| | - Asraful Islam Rakib
- Department of Pharmacy, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalganj 8100, Bangladesh; (M.S.B.)
| | - Hossam Kamli
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha 61421, Saudi Arabia
| | - Ahmad Shaikh
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha 61421, Saudi Arabia
| | - Henrique D. M. Coutinho
- Department of Biological Chemistry, Regional University of Cariri, Crato 63105-000, CE, Brazil
| | - Muhammad Torequl Islam
- Department of Pharmacy, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalganj 8100, Bangladesh; (M.S.B.)
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Dessauges C, Mikelson J, Dobrzyński M, Jacques M, Frismantiene A, Gagliardi PA, Khammash M, Pertz O. Optogenetic actuator - ERK biosensor circuits identify MAPK network nodes that shape ERK dynamics. Mol Syst Biol 2022; 18:e10670. [PMID: 35694820 PMCID: PMC9189677 DOI: 10.15252/msb.202110670] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 05/16/2022] [Accepted: 05/17/2022] [Indexed: 12/12/2022] Open
Abstract
Combining single-cell measurements of ERK activity dynamics with perturbations provides insights into the MAPK network topology. We built circuits consisting of an optogenetic actuator to activate MAPK signaling and an ERK biosensor to measure single-cell ERK dynamics. This allowed us to conduct RNAi screens to investigate the role of 50 MAPK proteins in ERK dynamics. We found that the MAPK network is robust against most node perturbations. We observed that the ERK-RAF and the ERK-RSK2-SOS negative feedback operate simultaneously to regulate ERK dynamics. Bypassing the RSK2-mediated feedback, either by direct optogenetic activation of RAS, or by RSK2 perturbation, sensitized ERK dynamics to further perturbations. Similarly, targeting this feedback in a human ErbB2-dependent oncogenic signaling model increased the efficiency of a MEK inhibitor. The RSK2-mediated feedback is thus important for the ability of the MAPK network to produce consistent ERK outputs, and its perturbation can enhance the efficiency of MAPK inhibitors.
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Affiliation(s)
| | - Jan Mikelson
- Department of Biosystems Science and EngineeringETH ZurichBaselSwitzerland
| | | | | | | | | | - Mustafa Khammash
- Department of Biosystems Science and EngineeringETH ZurichBaselSwitzerland
| | - Olivier Pertz
- Institute of Cell BiologyUniversity of BernBernSwitzerland
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Mechanism of Herb Pairs Astragalus mongholicus and Curcuma phaeocaulis Valeton in Treating Gastric Carcinoma: A Network Pharmacology Combines with Differential Analysis and Molecular Docking. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:8361431. [PMID: 35321506 PMCID: PMC8938068 DOI: 10.1155/2022/8361431] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 02/07/2022] [Accepted: 02/11/2022] [Indexed: 02/08/2023]
Abstract
Background Gastric carcinoma (GC) is a kind of digestive tract tumor that is highly malignant and has a very poor prognosis. Although both Astragalus mongholicus (AM, huáng qí) and Curcuma phaeocaulis Valeton (CPV, é zhú) can slow the onset and progression of GC, the mechanism by which AM-CPV works in the treatment of GC is uncertain. Materials and Methods The traditional Chinese medicine network databases TCMSP, TCMID, and ETCM were used to identify the key functional components and associated targets of AM and CPV. To establish a theoretical foundation, the development of gastric cancer (GC) was predicted utilizing a GEO gene chip and TCGA difference analysis mixed with network pharmacology. A herbal-ingredient-target network and a core target-signal pathway network were created using GO and KEGG enrichment analyses. The molecular docking method was used to evaluate seventeen main targets and their compounds. Results Cell activity, reactive oxygen species modification, metabolic regulation, and systemic immune activation may all be involved in the action mechanism of the AM-CPV drug-pair in the treatment of GC. It inhibits the calcium signaling route, the AGE-RAGE signaling system, the cAMP signaling pathway, the PI3K-Akt signaling network, and the MAPK signaling pathway, slowing the progression of GC. The number of inflammatory substances in the tumor microenvironment is reduced, GC cell proliferation is deprived, apoptosis is promoted, and GC progression is retarded through controlling the IL-17 signaling route, TNF signaling pathway, and other inflammation-related pathways. Conclusions The AM-CPV pharmaceutical combination regulates GC treatment via a multitarget, component, and signal pathway with a cooperative and bidirectional regulatory mechanism. Its active constituents may treat GC by regulating the expression of STAT1, MMP9, IL6, HSP90AA1, JUN, CCL2, IFNG, CXCL8, and other targets, as well as activating or inhibiting immune-inflammatory and cancer signaling pathways.
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Exploration in the Mechanism of Kaempferol for the Treatment of Gastric Cancer Based on Network Pharmacology. BIOMED RESEARCH INTERNATIONAL 2020; 2020:5891016. [PMID: 33145355 PMCID: PMC7596434 DOI: 10.1155/2020/5891016] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 09/07/2020] [Accepted: 10/09/2020] [Indexed: 12/11/2022]
Abstract
Background Kaempferol is a natural polyphenol in lots of Chinese herbs, which has shown promising treatment for gastric cancer (GC). However, the molecular mechanisms of its action have not been systematically revealed yet. In this work, a network pharmacology approach was used to elucidate the potential mechanisms of kaempferol in the treatment of GC. Methods The kaempferol was input into the PharmMapper and SwissTargetPrediction database to get its targets, and the targets of GC were obtained by retrieving the Online Mendelian Inheritance in Man (OMIM) database, MalaCards database, Therapeutic Target Database (TTD), and Coolgen database. The molecular docking was performed to assess the interactions between kaempferol and these targets. Next, the overlap targets of kaempferol and GC were identified for GO and KEGG enrichment analyses. Afterward, a protein-protein interaction (PPI) network was constructed to get the hub targets, and the expression and overall survival analysis of the hub target were investigated. Finally, the overall survival (OS) analysis of hub targets was performed using the Kaplan-Meier Plotter online tool. Results A total of 990 genes related to GC and 10 overlapping genes were determined through matching the 24 potential targets of kaempferol with disease-associated genes. The result of molecular docking indicated that kaempferol can bind with these hub targets with good binding scores. These targets were further mapped to 140 GO biological process terms and 11 remarkable pathways. In the PPI network analysis, 3 key targets were identified, including ESR1, EGFR, and SRC. The mRNA and protein expression levels of EGFR and SRC were obviously higher in GC tissues. High expression of these targets was related to poor OS in GC patients. Conclusions This study provided a novel approach to reveal the therapeutic mechanisms of kaempferol on GC, which will ease the future clinical application of kaempferol in the treatment of GC.
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Pan YJ, Wan J, Wang CB. MiR-326: Promising Biomarker for Cancer. Cancer Manag Res 2019; 11:10411-10418. [PMID: 31849530 PMCID: PMC6912009 DOI: 10.2147/cmar.s223875] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Accepted: 12/02/2019] [Indexed: 02/06/2023] Open
Abstract
MicroRNAs (miRNAs) are small non-coding and highly conserved RNAs that act in biological processes including cell proliferation, invasion, apoptosis, metabolism, signal transduction, and tumorigenesis. The previously identified miRNA-326 (miR-326) has been reported to participate in cellular apoptosis, tumor growth, cell invasion, embryonic development, immunomodulation, chemotherapy resistance, and oncogenesis. This review presents a detailed overview of what is known about the effects of miR-326 on cell invasion, metastasis, drug resistance, proliferation, apoptosis, and its involvement in signaling pathways.
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Affiliation(s)
- Yao-Jie Pan
- Department of Oncology, The Affiliated Yancheng Hospital of Medicine School of Southeast University, The Third People’s Hospital of Yancheng, Yancheng224001, People’s Republic of China
| | - Jian Wan
- Department of General Surgery, Center for Difficult and Complicated Abdominal Surgery, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai200092, People’s Republic of China
| | - Chun-Bin Wang
- Department of Oncology, The Affiliated Yancheng Hospital of Medicine School of Southeast University, The Third People’s Hospital of Yancheng, Yancheng224001, People’s Republic of China
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Weng P, Wu L, Jiang Z, Ran X, Xu K, Xie X, Xu X, Chen X, Han K, Mao H, Hu C. Grass carp (Ctenopharyngodon idella) RSK2 protects cells anti-apoptosis by up-regulating BCL-2. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2019; 97:45-56. [PMID: 30905684 DOI: 10.1016/j.dci.2019.03.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2018] [Revised: 03/13/2019] [Accepted: 03/18/2019] [Indexed: 06/09/2023]
Abstract
In mammals, toll-like receptor 3 (TLR3) is capable of recognizing double-stranded RNA and then initiates transcription of IFN-β. TLR3 can activate the innate immune system by phosphorylating extracellular signal-regulated kinase 1 (ERK1) in the mitogen-activated protein kinase (MAPK) pathway. As a downstream signaling protein of ERK1, ribosomal protein S6 kinase alpha 3 (RSK2) is activated through the "classical" MAPK pathway. So RSK2 plays a critical role in response to innate immune system induced by TRL3. However, the innate immune mechanism of RSK2 remains indistinct in fish. In this study, we cloned and characterized a full length cDNA sequence of RSK2 from Ctenopharyngodon idella (named CiRSK2, MH844551). The full length cDNA of CiRSK2 is 3930 bp with a coding sequence of 2202 bp encoding a polypeptide of 734 amino acids. The expression of CiRSK2 was ubiquitous and significantly up-regulated under the stimulation of poly (I:C) in eight different tissues of C. idella and C. idella kidney cells (CIK). In addition, poly (I:C) stimulation also up-regulated the expression of CiERK1 mRNA in CIK cells and the phosphorylation of CiERK1. We also demonstrated that the activated CiERK1 interacted with CiRSK2 by CO-IP assay and immunofluorescence assay. To further investigate the relationship between CiRSK2 and CiERK1, we performed subcellular localization of CiRSK2 at different periods of CiERK1 stimulation. The result showed that CiERK1 can make CiRSK2 enter the nucleus. Subsequently, we found that CiRSK2 increased the transcriptional level of CiBCL-2 and protein level of CiBCL-2 significantly. Then cell apoptosis was inhibited to a certain extent. Overall, our results suggested that CiRSK2 plays important roles in fish innate immunity and is able to inhibit cell apoptosis by up-regulating CiBCL-2.
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Affiliation(s)
- Panwei Weng
- College of Life Science, Nanchang University, Poyang Lake Key Laboratory of Environment and Resource Utilization, Ministry of Education, Nanchang University, Nanchang, 330031, China
| | - Liping Wu
- College of Life Science, Nanchang University, Poyang Lake Key Laboratory of Environment and Resource Utilization, Ministry of Education, Nanchang University, Nanchang, 330031, China
| | - Zeyin Jiang
- College of Life Science, Nanchang University, Poyang Lake Key Laboratory of Environment and Resource Utilization, Ministry of Education, Nanchang University, Nanchang, 330031, China
| | - Xiaoqin Ran
- College of Life Science, Nanchang University, Poyang Lake Key Laboratory of Environment and Resource Utilization, Ministry of Education, Nanchang University, Nanchang, 330031, China
| | - Kang Xu
- College of Life Science, Nanchang University, Poyang Lake Key Laboratory of Environment and Resource Utilization, Ministry of Education, Nanchang University, Nanchang, 330031, China
| | - Xiaofen Xie
- College of Life Science, Nanchang University, Poyang Lake Key Laboratory of Environment and Resource Utilization, Ministry of Education, Nanchang University, Nanchang, 330031, China
| | - Xiaowen Xu
- College of Life Science, Nanchang University, Poyang Lake Key Laboratory of Environment and Resource Utilization, Ministry of Education, Nanchang University, Nanchang, 330031, China
| | - Xingxing Chen
- College of Life Science, Nanchang University, Poyang Lake Key Laboratory of Environment and Resource Utilization, Ministry of Education, Nanchang University, Nanchang, 330031, China
| | - Kun Han
- College of Life Science, Nanchang University, Poyang Lake Key Laboratory of Environment and Resource Utilization, Ministry of Education, Nanchang University, Nanchang, 330031, China
| | - Huiling Mao
- College of Life Science, Nanchang University, Poyang Lake Key Laboratory of Environment and Resource Utilization, Ministry of Education, Nanchang University, Nanchang, 330031, China.
| | - Chengyu Hu
- College of Life Science, Nanchang University, Poyang Lake Key Laboratory of Environment and Resource Utilization, Ministry of Education, Nanchang University, Nanchang, 330031, China.
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Zhan S, Li J, Wang T, Ge W. Quantitative Proteomics Analysis of Sporadic Medullary Thyroid Cancer Reveals FN1 as a Potential Novel Candidate Prognostic Biomarker. Oncologist 2018; 23:1415-1425. [PMID: 29739896 DOI: 10.1634/theoncologist.2017-0399] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Accepted: 03/23/2018] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Sporadic medullary thyroid cancer (MTC) is a rare neuroendocrine tumor. Currently, although the diagnosis of sporadic MTC is relatively simple, the need to discover novel candidate prognostic biomarkers for sporadic MTC and investigate the underlying mechanism involved in this rare disease is urgent. MATERIALS AND METHODS We employed tandem mass tag-based liquid chromatography-mass spectrometry to identify and analyze differentially expressed proteins (DEPs) in sporadic MTC. Western blotting was used to validate the DEPs. Immunohistochemistry was performed to investigate FN1 and RPS6KA3 in an independent set of sporadic MTC tissues. Immunohistochemical data were analyzed by different statistical methods. RESULTS Three hundred eighty-eight DEPs were identified in mass spectrometry, mainly involved in the extracellular matrix, cytoskeletal remodeling, or oxidoreductase activity. Among them, THBS1, MMP9, FN1, RPS6KA3, SYT1, and carcinoembryonic antigen were successfully validated by Western blot. In addition, FN1 and RPS6KA3, enriched in extracellular matrix (ECM) remodeling and the mitogen-activated protein kinase (MAPK) signaling pathway, respectively, were investigated in an independent set of sporadic MTC tissues. Receiver-operator characteristic curve analysis showed that FN1 and RPS6KA3 can be used for discriminating sporadic MTC tumorous tissues from paired normal thyroid tissues, and the clinical biomarker calcitonin was positively correlated with FN1 and RPS6KA3 in tumorous tissues. Furthermore, the immunohistochemical scores of FN1 in tumorous tissue showed an inverse relationship with tumor classification, lymph node classification, and American Joint Committee on Cancer stage. Through univariate and multivariate analysis for progression-free survival, we also found that low FN1 expression in tumorous tissues was an independent worse prognostic factor for progression-free survival. CONCLUSION We identified that the pathophysiology of sporadic MTC involve numerous pathways, including the synaptic vesicle pathway, the MAPK signaling pathway, and the ECM remodeling pathway. Furthermore, our study also identified FN1 as novel prognostic biomarkers related to the pathophysiologic changes in sporadic MTC. IMPLICATIONS FOR PRACTICE Proteomic dissection and prognostic biomarkers are scarce in sporadic medullary thyroid cancer (MTC). This article reports the use of proteomics technology to comprehensively investigate the molecular mechanisms of sporadic MTC, which resulted in the identification of FN1 as a novel candidate prognostic biomarker.
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Affiliation(s)
- Shaohua Zhan
- Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, National Key Laboratory of Medical Molecular Biology & Department of Immunology, Beijing, People's Republic of China
- National Center for Clinical Laboratories, Beijing Hospital, National Center of Gerontology, Beijing, People's Republic of China
| | - Jinming Li
- National Center for Clinical Laboratories, Beijing Hospital, National Center of Gerontology, Beijing, People's Republic of China
| | - Tianxiao Wang
- Key Laboratory of Carcinogenesis and Translational Research, Department of Head and Neck Surgery, Peking University Cancer Hospital & Institute, Beijing, People's Republic of China
| | - Wei Ge
- Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, National Key Laboratory of Medical Molecular Biology & Department of Immunology, Beijing, People's Republic of China
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Tsuchiya S, Sugimoto K, Kamio H, Okabe K, Kuroda K, Okido M, Hibi H. Kaempferol-immobilized titanium dioxide promotes formation of new bone: effects of loading methods on bone marrow stromal cell differentiation in vivo and in vitro. Int J Nanomedicine 2018; 13:1665-1676. [PMID: 29593412 PMCID: PMC5865554 DOI: 10.2147/ijn.s150786] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Background Surface modification of titanium dioxide (TiO2) implants promotes bone formation and shortens the osseointegration period. Kaempferol is a flavonoid that has the capacity to promote osteogenic differentiation in bone marrow stromal cells. The aim of this study was to promote bone formation around kaempferol immobilized on TiO2 implants. Methods There were four experimental groups. Alkali-treated TiO2 samples (implants and discs) were used as a control and immersed in Dulbecco's phosphate-buffered saline (DPBS) (Al-Ti). For the coprecipitation sample (Al-cK), the control samples were immersed in DPBS containing 50 µg kaempferol/100% ethanol. For the adsorption sample (Al-aK), 50 µg kaempferol/100% ethanol was dropped onto control samples. The surface topography of the TiO2 implants was observed by scanning electron microscopy with energy-dispersive X-ray spectroscopy, and a release assay was performed. For in vitro experiments, rat bone marrow stromal cells (rBMSCs) were cultured on each of the TiO2 samples to analyze cell proliferation, alkaline phosphatase activity, calcium deposition, and osteogenic differentiation. For in vivo experiments, TiO2 implants placed on rat femur bones were analyzed for bone-implant contact by histological methods. Results Kaempferol was detected on the surface of Al-cK and Al-aK. The results of the in vitro study showed that rBMSCs cultured on Al-cK and Al-aK promoted alkaline phosphatase activity, calcium deposition, and osteogenic differentiation. The in vivo histological analysis revealed that Al-cK and Al-aK stimulated new bone formation around implants. Conclusion TiO2 implant-immobilized kaempferol may be an effective tool for bone regeneration around dental implants.
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Affiliation(s)
- Shuhei Tsuchiya
- Department of Oral and Maxillofacial Surgery, Nagoya University Hospital, Nagoya, Japan
| | - Keisuke Sugimoto
- Department of Oral and Maxillofacial Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Hisanobu Kamio
- Department of Oral and Maxillofacial Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Kazuto Okabe
- Department of Oral and Maxillofacial Surgery, Nagoya University Hospital, Nagoya, Japan
| | - Kensuke Kuroda
- Institute of Materials and Systems for Sustainability, Nagoya University, Nagoya, Japan
| | - Masazumi Okido
- Institute of Materials and Systems for Sustainability, Nagoya University, Nagoya, Japan
| | - Hideharu Hibi
- Department of Oral and Maxillofacial Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
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Maegawa S, Chinen Y, Shimura Y, Tanba K, Takimoto T, Mizuno Y, Matsumura-Kimoto Y, Kuwahara-Ota S, Tsukamoto T, Kobayashi T, Horiike S, Taniwaki M, Kuroda J. Phosphoinositide-dependent protein kinase 1 is a potential novel therapeutic target in mantle cell lymphoma. Exp Hematol 2018; 59:72-81.e2. [DOI: 10.1016/j.exphem.2017.12.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 12/15/2017] [Accepted: 12/17/2017] [Indexed: 10/18/2022]
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Amith SR, Vincent KM, Wilkinson JM, Postovit LM, Fliegel L. Defining the Na +/H + exchanger NHE1 interactome in triple-negative breast cancer cells. Cell Signal 2016; 29:69-77. [PMID: 27751915 DOI: 10.1016/j.cellsig.2016.10.005] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Revised: 10/04/2016] [Accepted: 10/13/2016] [Indexed: 12/30/2022]
Abstract
Mounting evidence supports a major role for the Na+/H+ exchanger NHE1 in cancer progression and metastasis. NHE1 is hyperactive at the onset of oncogenic transformation, resulting in intracellular alkalinization and extracellular microenvironmental acidification. These conditions promote invasion and facilitate metastasis. However, the signal pathways governing the regulation of exchanger activity are still unclear. This is especially important in the aggressively metastatic, triple-negative basal breast cancer subtype. We used affinity chromatography followed by mass spectrometry to identify novel and putative interaction partners of NHE1 in MDA-MB-231 triple-negative breast cancer cells. NHE1 associated with several types of proteins including cytoskeletal proteins and chaperones. We validated protein interactions by co-immunoprecipitation for: 14-3-3, AKT, α-enolase, CHP1, HSP70 and HSP90. Additionally, we used The Cancer Genome Atlas (TCGA) to study NHE1 gene expression in primary patient breast tumours versus adjacent normal tissue. NHE1 expression was elevated in breast tumour samples and, when broken down by breast cancer subtype, NHE1 gene expression was significantly lower in tumours of the basal subtype compared to luminal and HER2+ subtypes. Reverse phase protein array (RPPA) analysis showed that NHE1 expression positively correlated with p90RSK expression in basal, but not luminal, primary tumours. Other proteins were negatively correlated with NHE1 expression in basal breast cancer tumours. Taken together, our data provides the first insight into the signalling molecules that form the NHE1 interactome in triple-negative breast cancer cells. These results will focus our search for novel targeted therapies.
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Affiliation(s)
- Schammim Ray Amith
- Department of Biochemistry, University of Alberta, Edmonton, Alberta T6G 2H7, Canada.
| | - Krista Marie Vincent
- Department of Oncology, University of Alberta, Edmonton, Alberta T6G 2H7, Canada; Department of Anatomy and Cell Biology, University of Western Ontario, London, Ontario N6A 3K7, Canada.
| | - Jodi Marie Wilkinson
- Department of Biochemistry, University of Alberta, Edmonton, Alberta T6G 2H7, Canada.
| | - Lynne Marie Postovit
- Department of Oncology, University of Alberta, Edmonton, Alberta T6G 2H7, Canada.
| | - Larry Fliegel
- Department of Biochemistry, University of Alberta, Edmonton, Alberta T6G 2H7, Canada.
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