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Kang M, Senatore AJ, Naughton H, McTigue M, Beltman RJ, Herppich AA, Pflum MKH, Howe AK. Protein kinase A is a functional component of focal adhesions. J Biol Chem 2024; 300:107234. [PMID: 38552737 PMCID: PMC11044056 DOI: 10.1016/j.jbc.2024.107234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 03/06/2024] [Accepted: 03/17/2024] [Indexed: 04/09/2024] Open
Abstract
Focal adhesions (FAs) form the junction between extracellular matrix (ECM)-bound integrins and the actin cytoskeleton and also transmit signals that regulate cell adhesion, cytoskeletal dynamics, and cell migration. While many of these signals are rooted in reversible tyrosine phosphorylation, phosphorylation of FA proteins on Ser/Thr residues is far more abundant yet its mechanisms and consequences are far less understood. The cAMP-dependent protein kinase (protein kinase A; PKA) has important roles in cell adhesion and cell migration and is both an effector and regulator of integrin-mediated adhesion to the ECM. Importantly, subcellular localization plays a critically important role in specifying PKA function. Here, we show that PKA is present in isolated FA-cytoskeleton complexes and active within FAs in live cells. Furthermore, using kinase-catalyzed biotinylation of isolated FA-cytoskeleton complexes, we identify 53 high-stringency candidate PKA substrates within FAs. From this list, we validate tensin-3 (Tns3)-a well-established molecular scaffold, regulator of cell migration, and a component of focal and fibrillar adhesions-as a novel direct substrate for PKA. These observations identify a new pathway for phospho-regulation of Tns3 and, importantly, establish a new and important niche for localized PKA signaling and thus provide a foundation for further investigation of the role of PKA in the regulation of FA dynamics and signaling.
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Affiliation(s)
- Mingu Kang
- Department of Pharmacology, Larner College of Medicine, University of Vermont Cancer Center, Burlington, Vermont, USA; Department of Molecular Physiology & Biophysics, Larner College of Medicine, University of Vermont, Burlington, Vermont, USA
| | - Amanda J Senatore
- Department of Pharmacology, Larner College of Medicine, University of Vermont Cancer Center, Burlington, Vermont, USA; Department of Molecular Physiology & Biophysics, Larner College of Medicine, University of Vermont, Burlington, Vermont, USA
| | - Hannah Naughton
- Department of Pharmacology, Larner College of Medicine, University of Vermont Cancer Center, Burlington, Vermont, USA; Department of Molecular Physiology & Biophysics, Larner College of Medicine, University of Vermont, Burlington, Vermont, USA
| | - Madeline McTigue
- Department of Pharmacology, Larner College of Medicine, University of Vermont Cancer Center, Burlington, Vermont, USA; Department of Molecular Physiology & Biophysics, Larner College of Medicine, University of Vermont, Burlington, Vermont, USA
| | - Rachel J Beltman
- Department of Chemistry, Wayne State University, Detroit, Michigan, USA
| | - Andrew A Herppich
- Department of Chemistry, Wayne State University, Detroit, Michigan, USA
| | - Mary Kay H Pflum
- Department of Chemistry, Wayne State University, Detroit, Michigan, USA
| | - Alan K Howe
- Department of Pharmacology, Larner College of Medicine, University of Vermont Cancer Center, Burlington, Vermont, USA; Department of Molecular Physiology & Biophysics, Larner College of Medicine, University of Vermont, Burlington, Vermont, USA.
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Fernandes CJDC, de Almeida GS, Wood PF, Gomes AM, Bezerra FJ, Vieira JCS, Padilha PM, Zambuzzi WF. Mechanosignaling-related angiocrine factors drive osteoblastic phenotype in response to zirconia. J Trace Elem Med Biol 2024; 81:127337. [PMID: 38000168 DOI: 10.1016/j.jtemb.2023.127337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 10/30/2023] [Accepted: 11/02/2023] [Indexed: 11/26/2023]
Abstract
BACKGROUND The growing use of zirconia as a ceramic material in dentistry is attributed to its biocompatibility, mechanical properties, esthetic appearance, and reduced bacterial adhesion. These favorable properties make ceramic materials a viable alternative to commonly used titanium alloys. Mimicking the physiological properties of blood flow, particularly the mechanosignaling in endothelial cells (ECs), is crucial for enhancing our understanding of their role in the response to zirconia exposure. METHODS In this study, EC cultures were subjected to shear stress while being exposed to zirconia for up to 3 days. The conditioned medium obtained from these cultures was then used to expose osteoblasts for a duration of 7 days. To investigate the effects of zirconia on osteoblasts, we examined the expression of genes associated with osteoblast differentiation, including Runx2, Osterix, bone sialoprotein, and osteocalcin genes. Additionally, we assessed the impact of mechanosignaling-related angiocrine factors on extracellular matrix (ECM) remodeling by measuring the activities of matrix metalloproteinases 2 and 9 (MMP2 and MMP9) during the acquisition of the osteogenic phenotype, which precedes mineralization. RESULTS Our data revealed that mechanosignaling-related angiocrine factors play a crucial role in promoting an osteoblastic phenotype in response to zirconia exposure. Specifically, exposed osteoblasts exhibited significantly higher expression levels of genes associated with osteoblast differentiation, such as Runx2, Osterix, bone sialoprotein, and osteocalcin genes. Furthermore, the activities of MMP2 and MMP9, which are involved in ECM remodeling, were modulated by mechanosignaling-related angiocrine factors. This modulation is likely an initial event preceding the mineralization phase. CONCLUSION Based on our findings, we propose that mechanosignaling drives the release of angiocrine factors capable of modulating the osteogenic phenotype at the biointerface with zirconia. This process creates a microenvironment that promotes wound healing and osseointegration. Moreover, these results highlight the importance of considering the mechanosignaling of endothelial cells in the modulation of bone healing and osseointegration in the context of blood vessel effects. Our data provide new insights and open avenues for further investigation into the influence of mechanosignaling on bone healing and the osseointegration of dental devices.
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Affiliation(s)
- Célio Junior da C Fernandes
- Department of Chemical and Biological Sciences, Institute of Biosciences, UNESP, São Paulo State University, Botucatu, São Paulo, CEP 18618-970, Brazil
| | - Gerson Santos de Almeida
- Department of Chemical and Biological Sciences, Institute of Biosciences, UNESP, São Paulo State University, Botucatu, São Paulo, CEP 18618-970, Brazil
| | - Patrícia Fretes Wood
- Department of Chemical and Biological Sciences, Institute of Biosciences, UNESP, São Paulo State University, Botucatu, São Paulo, CEP 18618-970, Brazil
| | - Anderson M Gomes
- Department of Chemical and Biological Sciences, Institute of Biosciences, UNESP, São Paulo State University, Botucatu, São Paulo, CEP 18618-970, Brazil
| | - Fábio J Bezerra
- Department of Chemical and Biological Sciences, Institute of Biosciences, UNESP, São Paulo State University, Botucatu, São Paulo, CEP 18618-970, Brazil
| | - José C S Vieira
- Department of Chemical and Biological Sciences, Institute of Biosciences, UNESP, São Paulo State University, Botucatu, São Paulo, CEP 18618-970, Brazil
| | - Pedro M Padilha
- Department of Chemical and Biological Sciences, Institute of Biosciences, UNESP, São Paulo State University, Botucatu, São Paulo, CEP 18618-970, Brazil
| | - Willian F Zambuzzi
- Department of Chemical and Biological Sciences, Institute of Biosciences, UNESP, São Paulo State University, Botucatu, São Paulo, CEP 18618-970, Brazil.
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Albano CS, Gomes AM, da Silva Feltran G, da Costa Fernandes CJ, Trino LD, Zambuzzi WF, Lisboa-Filho PN. Bisphosphonate-based surface biofunctionalization improves titanium biocompatibility. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2020; 31:109. [PMID: 33159588 DOI: 10.1007/s10856-020-06437-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 09/24/2020] [Indexed: 06/11/2023]
Abstract
Novel-biofunctionalized surfaces are required to improve the performance of endosseous implants, which are mainly related to the resistance against biocorrosion, as well as for the consideration of osteoinductive phenomena. Among different strategies, the use of bisphosphonate molecules as linkers between titanium dioxide (TiO2) surfaces and proteins is a distinctive approach, one in which bisphosphonate could play a role in the osseointegration. Thus, to address this issue, we proposed a novel biofunctionalization of TiO2 surfaces using sodium alendronate (ALN) as a linker and bovine serum albumin as the protein. Physicochemical analysis of the functionalized surfaces was performed using contact angle analyses and surface roughness measurements, which indicated an efficient functionalization. The biocompatibility of the functionalized surfaces was analyzed through the adhesion behavior of the pre-osteoblasts onto the samples. Overall, our data showed a significant improvement concerning the cell adhesion by modulating the adhesion cell-related set of genes. The obtained results show that for modified surfaces there is an increase of up to 100 times in the percentage of cells adhered when compared to the control, besides the extracellular matrix remodeling seemed to be an essential prerequisite for the early stages of cell adhesion on to the biomaterials, which was assayed by evaluating the matrix metalloproteinase activities as well as the gene activations. In the expressions of the Bsp and Bglap2 genes, for the group containing ALN (TiO2 + ALN), it was observed an increase in expression (approximately sixfold change) when compared to the control. Altogether, our data clearly showed that the bisphosphonate-biofunctionalized surface enhanced the biocompatibility of titanium and claims to further progress preclinical in vivo experimentation.
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Affiliation(s)
- Carolina Simão Albano
- Department of Chemistry and Biochemistry, Institute of Biosciences of Botucatu, UNESP-São Paulo State University, Botucatu, Brazil
- Department of Physics, UNESP-São Paulo State University, School of Sciences, Bauru, Brazil
| | - Anderson Moreira Gomes
- Department of Chemistry and Biochemistry, Institute of Biosciences of Botucatu, UNESP-São Paulo State University, Botucatu, Brazil
| | - Geórgia da Silva Feltran
- Department of Chemistry and Biochemistry, Institute of Biosciences of Botucatu, UNESP-São Paulo State University, Botucatu, Brazil
| | - Célio Junior da Costa Fernandes
- Department of Chemistry and Biochemistry, Institute of Biosciences of Botucatu, UNESP-São Paulo State University, Botucatu, Brazil
| | - Luciana Daniele Trino
- Department of Physics, UNESP-São Paulo State University, School of Sciences, Bauru, Brazil
| | - Willian Fernando Zambuzzi
- Department of Chemistry and Biochemistry, Institute of Biosciences of Botucatu, UNESP-São Paulo State University, Botucatu, Brazil
- Electron Microscopy Center, Institute of Biosciences of Botucatu, UNESP-São Paulo State University, Botucatu, Brazil
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Ferreira MR, Milani R, Rangel EC, Peppelenbosch M, Zambuzzi W. OsteoBLAST: Computational Routine of Global Molecular Analysis Applied to Biomaterials Development. Front Bioeng Biotechnol 2020; 8:565901. [PMID: 33117780 PMCID: PMC7578266 DOI: 10.3389/fbioe.2020.565901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 08/20/2020] [Indexed: 11/13/2022] Open
Abstract
For bone purposes, surface modifications are a common trend in biomaterials research aiming to reduce the time necessary for osteointegration, culminating in faster recovery of patients. In this scenario, analysis of intracellular signaling pathways have emerged as an important and reliable strategy to predict biological responses from in vitro approaches. We have combined global analysis of intracellular protein phosphorylation, systems biology and bioinformatics into an early biomaterial analysis routine called OsteoBLAST. We employed the routine as follows: the PamChip tyrosine kinase assay was applied to mesenchymal stem cells grown on three distinct titanium surfaces: machined, dual acid-etched and nanoHA. Then, OsteoBLAST was able to identify the most reliable spots to further obtain the differential kinome profile and finally to allow a comparison among the different surfaces. Thereafter, NetworKIN, STRING, and Cytoscape were used to build and analyze a supramolecular protein-protein interaction network, and DAVID tools identified biological signatures in the differential kinome for each surface.
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Affiliation(s)
- Marcel Rodrigues Ferreira
- Department of Chemistry and Biochemistry, Institute of Biosciences, São Paulo State University (UNESP), São Paulo, Brazil
| | - Renato Milani
- Bioquímica e Biologia Tecidual, Biology Institute, Universidade de Campinas (UNICAMP), São Paulo, Brazil
| | - Elidiane C Rangel
- Institute of Science and Technology, São Paulo State University (UNESP), São Paulo, Brazil
| | - Maikel Peppelenbosch
- Department of Gastroenterology and Hepatology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Willian Zambuzzi
- Department of Chemistry and Biochemistry, Institute of Biosciences, São Paulo State University (UNESP), São Paulo, Brazil
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Yang YR, Li CW, Wang JH, Huang XS, Yuan YF, Hu J, Liu K, Liang BC, Liu Z, Shi XL. Ubiquitylomes Analysis of the Whole blood in Postmenopausal Osteoporosis Patients and healthy Postmenopausal Women. Orthop Surg 2019; 11:1187-1200. [PMID: 31762184 PMCID: PMC6904657 DOI: 10.1111/os.12556] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 08/30/2019] [Accepted: 09/18/2019] [Indexed: 12/13/2022] Open
Abstract
Objectives To determine the mechanisms of ubiquitination in postmenopausal osteoporosis and investigate the ubiquitinated spectrum of novel targets between healthy postmenopausal women and postmenopausal osteoporosis patients, we performed ubiquitylome analysis of the whole blood of postmenopausal women and postmenopausal osteoporosis patients. Methods To obtain a more comprehensive understanding of the postmenopausal osteoporosis mechanism, we performed a quantitative assessment of the ubiquitylome in whole blood from seven healthy postmenopausal women and seven postmenopausal osteoporosis patients using high‐performance liquid chromatography fractionation, affinity enrichment, and liquid chromatography coupled to tandem mass spectrometry (LC‐MS/MS). To examine the ubiquitylome data, we performed enrichment analysis using an ubiquitylated amino acid motif, Gene Ontology (GO) and the Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway. Results Altogether, 133 ubiquitinated sites and 102 proteins were quantified. A difference of more than 1.2 times is considered significant upregulation and less than 0.83 significant downregulation; 32 ubiquitinated sites on 25 proteins were upregulated and 101 ubiquitinated sites on 77 proteins were downregulated. These quantified proteins, both with differently ubiquitinated sites, participated in various cellular processes, such as cellular processes, biological regulation processes, response to stimulus processes, single‐organism and metabolic processes. Ubiquitin conjugating enzyme activity and ubiquitin‐like protein conjugating enzyme activity were the most highly enriched in molecular function of upregulated sites with corresponding proteins, but they were not enriched in downregulated in sites with corresponding proteins. The KEGG pathways analysis of quantified proteins with differentiated ubiquitinated sites found 13 kinds of molecular interactions and functional pathways, such as glyoxylate and decarboxylate metabolism, dopaminergic synapse, ubiquitin‐mediated proteolysis, salivary secretion, coagulation and complement cascades, Parkinson's disease, and hippo signaling pathway. In addition, hsa04120 ubiquitin‐mediated proteolysis was the most highly enriched in proteins with upregulated sites, hsa04610 complement and coagulation cascades was the most highly enriched in proteins with downregulated ubiquitinated sites, and hsa04114 Oocyte meiosis was the most highly enriched among all differential proteins. Conclusion Our study expands the understanding of the spectrum of novel targets that are differentially ubiquitinated in whole blood from healthy postmenopausal women and postmenopausal osteoporosis patients. The findings will contribute toward our understanding of the underlying proteostasis pathways in postmenopausal osteoporosis and the potential identification of diagnostic biomarkers in whole blood.
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Affiliation(s)
- Yi-Ran Yang
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China
| | - Chun-Wen Li
- Department of Diagnostics of Traditional Chinese Medicine, College of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, China
| | - Jun-Hua Wang
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China
| | - Xiao-Sheng Huang
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China
| | - Yi-Feng Yuan
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China
| | - Jiong Hu
- The Second Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou, China
| | - Kang Liu
- The Second Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou, China
| | - Bo-Cheng Liang
- The Second Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou, China
| | - Zhong Liu
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China
| | - Xiao-Lin Shi
- The Second Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou, China
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6
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Jr da Costa Fernandes C, Pinto TS, Kang HR, de Magalhães Padilha P, Koh IHJ, Constantino VRL, Zambuzzi WF. Layered Double Hydroxides Are Promising Nanomaterials for Tissue Bioengineering Application. ACTA ACUST UNITED AC 2019; 3:e1800238. [PMID: 32648675 DOI: 10.1002/adbi.201800238] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 05/01/2019] [Indexed: 01/07/2023]
Abstract
Layered double hydroxides (LDHs) have emerged as promising nanomaterials for human health and although it has achieved some progress on this matter, their application within bioengineering is not fully addressed. This prompted to subject fibroblasts to two compositions of LDHs (Mg2 Al-Cl and Zn2 Al-Cl), considering an acute response. First, LDH particles are addressed by scanning electron microscopy, and no significant effect of the cell culture medium on the shape of LDHs particles is reported although it seems to adsorb some soluble proteins as proposed by energy-dispersive X-ray analysis. These LDHs release magnesium, zinc, and aluminum, but there is no cytotoxic or biocompatibility effects. The data show interference to fibroblast adhesion by driving the reorganization of actin-based cytoskeleton, preliminarily to cell cycle progression. Additionally, these molecular findings are validated by performing a functional wound-healing assay, which is accompanied by a dynamic extracellular matrix remodeling in response to the LDHs. Altogether, the results show that LDHs nanomaterials modulate cell adhesion, proliferation, and migration, delineating new advances on the biomaterial field applied in the context of soft tissue bioengineering, which must be explored in health disorders, such as wound healing in burn injuries.
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Affiliation(s)
- Célio Jr da Costa Fernandes
- Lab. de Bioensaios e Dinâmica Celular, Departamento de Química e Bioquímica, Instituto de Biociências, Universidade Estadual Paulista - UNESP, Campus Botucatu, São Paulo, CEP 18618-970, Brazil
| | - Thaís Silva Pinto
- Lab. de Bioensaios e Dinâmica Celular, Departamento de Química e Bioquímica, Instituto de Biociências, Universidade Estadual Paulista - UNESP, Campus Botucatu, São Paulo, CEP 18618-970, Brazil
| | - Ha Ram Kang
- Lab. de Bioensaios e Dinâmica Celular, Departamento de Química e Bioquímica, Instituto de Biociências, Universidade Estadual Paulista - UNESP, Campus Botucatu, São Paulo, CEP 18618-970, Brazil
| | - Pedro de Magalhães Padilha
- Lab. de Bioensaios e Dinâmica Celular, Departamento de Química e Bioquímica, Instituto de Biociências, Universidade Estadual Paulista - UNESP, Campus Botucatu, São Paulo, CEP 18618-970, Brazil
| | - Ivan Hong Jun Koh
- Departamento de Cirurgia, Universidade Federal de São Paulo-UNIFESP, Rua Botucatu 740, CEP 04023-900, São Paulo, SP, Brazil
| | - Vera Regina Leopoldo Constantino
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo-USP, Av. Prof. Lineu Prestes 748, CEP 05508-000, São Paulo, SP, Brazil
| | - Willian F Zambuzzi
- Lab. de Bioensaios e Dinâmica Celular, Departamento de Química e Bioquímica, Instituto de Biociências, Universidade Estadual Paulista - UNESP, Campus Botucatu, São Paulo, CEP 18618-970, Brazil
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7
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Fernandes CJDC, Veiga MR, Peracoli MTS, Zambuzzi WF. Modulatory effects of silibinin in cell behavior during osteogenic phenotype. J Cell Biochem 2019; 120:13413-13425. [DOI: 10.1002/jcb.28616] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Revised: 01/18/2019] [Accepted: 01/24/2019] [Indexed: 12/31/2022]
Affiliation(s)
- Célio Jr. da Costa Fernandes
- Department of Chemistry and Biochemistry, Laboratory of Bioassays and Cell Dynamics, Institute of Biosciences Sao Paulo State University ‐ UNESP Botucatu São Paulo Brazil
| | - Mariana R. Veiga
- Department of Microbiology and Immunology, Institute of Biosciences Sao Paulo State University ‐ UNESP Botucatu São Paulo Brazil
| | - Maria Terezinha Serrão Peracoli
- Department of Microbiology and Immunology, Institute of Biosciences Sao Paulo State University ‐ UNESP Botucatu São Paulo Brazil
| | - Willian F. Zambuzzi
- Department of Chemistry and Biochemistry, Laboratory of Bioassays and Cell Dynamics, Institute of Biosciences Sao Paulo State University ‐ UNESP Botucatu São Paulo Brazil
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8
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Baroncelli M, Fuhler GM, van de Peppel J, Zambuzzi WF, van Leeuwen JP, van der Eerden BCJ, Peppelenbosch MP. Human mesenchymal stromal cells in adhesion to cell-derived extracellular matrix and titanium: Comparative kinome profile analysis. J Cell Physiol 2019; 234:2984-2996. [PMID: 30058720 PMCID: PMC6585805 DOI: 10.1002/jcp.27116] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2018] [Accepted: 07/02/2018] [Indexed: 12/28/2022]
Abstract
The extracellular matrix (ECM) physically supports cells and influences stem cell behaviour, modulating kinase-mediated signalling cascades. Cell-derived ECMs have emerged in bone regeneration as they reproduce physiological tissue-architecture and ameliorate mesenchymal stromal cell (MSC) properties. Titanium scaffolds show good mechanical properties, facilitate cell adhesion, and have been routinely used for bone tissue engineering (BTE). We analyzed the kinomic signature of human MSCs in adhesion to an osteopromotive osteoblast-derived ECM, and compared it to MSCs on titanium. PamChip kinase-array analysis revealed 63 phosphorylated peptides on ECM and 59 on titanium, with MSCs on ECM exhibiting significantly higher kinase activity than on titanium. MSCs on the two substrates showed overlapping kinome profiles, with activation of similar signalling pathways (FAK, ERK, and PI3K signalling). Inhibition of PI3K signalling in cells significantly reduced adhesion to ECM and increased the number of nonadherent cells on both substrates. In summary, this study comprehensively characterized the kinase activity in MSCs on cell-derived ECM and titanium, highlighting the role of PI3K signalling in kinomic changes regulating osteoblast viability and adhesion. Kinome profile analysis represents a powerful tool to select pathways to better understand cell behaviour. Osteoblast-derived ECM could be further investigated as titanium scaffold-coating to improve BTE.
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Affiliation(s)
- Marta Baroncelli
- Department of Internal Medicine, Erasmus MCUniversity Medical Center RotterdamRotterdamThe Netherlands
| | - Gwenny M. Fuhler
- Department of Gastroenterology and Hepatology, Erasmus MCUniversity Medical Center RotterdamRotterdamThe Netherlands
| | - Jeroen van de Peppel
- Department of Internal Medicine, Erasmus MCUniversity Medical Center RotterdamRotterdamThe Netherlands
| | - Willian F. Zambuzzi
- Laboratorio de Bioensaios e Dinâmica Celular, Departamento de Quimica e BioquimicaInstituto de Biociências, Universidade Estadual Paulista‐UNESPSão PauloBrazil
| | - Johannes P. van Leeuwen
- Department of Internal Medicine, Erasmus MCUniversity Medical Center RotterdamRotterdamThe Netherlands
| | - Bram C. J. van der Eerden
- Department of Internal Medicine, Erasmus MCUniversity Medical Center RotterdamRotterdamThe Netherlands
| | - Maikel P. Peppelenbosch
- Department of Gastroenterology and Hepatology, Erasmus MCUniversity Medical Center RotterdamRotterdamThe Netherlands
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9
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Nascimento AS, Peres LL, Fari AV, Milani R, Silva RA, da Costa Fernandes CJ, Peppelenbosch MP, Ferreira-Halder CV, Zambuzzi WF. Phosphoproteome profiling reveals critical role of JAK-STAT signaling in maintaining chemoresistance in breast cancer. Oncotarget 2017; 8:114756-114768. [PMID: 29383118 PMCID: PMC5777730 DOI: 10.18632/oncotarget.21801] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Accepted: 09/13/2017] [Indexed: 12/29/2022] Open
Abstract
Breast cancer is responsible for 25% of cancer cases and 15% of cancer death among women. Treatment is usually prolonged and hampered by the development of chemoresistance. The molecular mechanisms maintaining the chemoresistant phenotype remains, however, largely obscure. As kinase signaling in general is highly drugable, identification of kinases essential for maintaining chemoresistance could prove therapeutically useful. Hence we compared cellular kinase activity in chemotherapy resistant MCF7Res cells to chemotherapy-sensitive MCF cells using a peptide array approach that provides an atlas of cellular kinase activities and consequently, predominant pathways can be identified. We observed that peptides phosphorylated by elements of JAK-STAT signaling pathway and PKC signaling pathways are subject to extensive kinase activity in MCF7Res cells as compared to chemotherapy-sensitive MCF cells; and Western blotting confirmed relatively strong activation of these signaling pathways in chemoresistant cells. Importantly, treatment of cells with Tofacitinib, a FDA-approved JAK inhibitor, converted chemoresistant cells to chemosensitive cells, inducing apoptosis when used in conjunction with doxorubicin. Thus our results reveal that chemoresistance in breast cancer is associated with activation of JAK/STAT signaling and suggest that JAK2 may be useful for combating chemoresistance in breast cancer.
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Affiliation(s)
- Augusto S. Nascimento
- Bioassays and Cell Dynamics Laboratory, Department of Chemistry and Biochemistry, Bioscience Institute, UNESP, Botucatu, Sao Paulo, Brazil
| | - Luisa L. Peres
- OncoBiomarkers Research Laboratory, Department of Biochemistry and Tissue Biology, Biology Institute, UNICAMP, Campinas, Sao Paulo, Brazil
| | - Alessandra V.S. Fari
- OncoBiomarkers Research Laboratory, Department of Biochemistry and Tissue Biology, Biology Institute, UNICAMP, Campinas, Sao Paulo, Brazil
| | - Renato Milani
- OncoBiomarkers Research Laboratory, Department of Biochemistry and Tissue Biology, Biology Institute, UNICAMP, Campinas, Sao Paulo, Brazil
| | - Rodrigo A. Silva
- Bioassays and Cell Dynamics Laboratory, Department of Chemistry and Biochemistry, Bioscience Institute, UNESP, Botucatu, Sao Paulo, Brazil
| | - Celio Jr. da Costa Fernandes
- Bioassays and Cell Dynamics Laboratory, Department of Chemistry and Biochemistry, Bioscience Institute, UNESP, Botucatu, Sao Paulo, Brazil
| | - Maikel P. Peppelenbosch
- Department of Gastroenterology and Hepatology, Erasmus MC, University Medical Center Rotterdam’s Gravendijkwal 230, NL-3015 CE Rotterdam, The Netherlands
| | - Carmen V. Ferreira-Halder
- OncoBiomarkers Research Laboratory, Department of Biochemistry and Tissue Biology, Biology Institute, UNICAMP, Campinas, Sao Paulo, Brazil
| | - Willian F. Zambuzzi
- Bioassays and Cell Dynamics Laboratory, Department of Chemistry and Biochemistry, Bioscience Institute, UNESP, Botucatu, Sao Paulo, Brazil
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10
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Fernandes CJC, Bezerra F, do Carmo MDD, Feltran GS, Rossi MC, da Silva RA, Padilha PDM, Zambuzzi WF. CoCr-enriched medium modulates integrin-based downstream signaling and requires a set of inflammatory genes reprograming in vitro. J Biomed Mater Res A 2017; 106:839-849. [PMID: 28941043 DOI: 10.1002/jbm.a.36244] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 07/31/2017] [Accepted: 09/19/2017] [Indexed: 12/22/2022]
Abstract
Significant health concerns have been raised by the high levels of Cr and Co ions into whole blood as resulted of corrosion process released from biomedical implants, but very little is known about their biological behavior in governing cell metabolism. Thus, we prompted to address this issue by exploring the effects of CoCr enriched medium on both fibroblast and preosteoblast (pre-Ob) cells. First, we showed there is a significant difference in Co and Cr releasing dependent on engineered surface, it being even more released in dual acid-etching treating surface (named w/DAE) than the machined surfaces (named wo/DAE). Thereafter, we showed CoCr affects pre-osteoblast and fibroblast metabolism by dynamically modulating integrin-based downstream signaling (FAK, Src, Rac1, and Cofilin). Specifically on this matter, we have shown there is dynamic β1-integrin gene activation up 24 h in both preosteoblast and fibroblast. Our analysis showed also that both pre-Ob and fibroblast are important resource of proinflammatory cytokines when responding to CoCr enriched medium. In addition, survival-related signaling pathway was also affected interfering on survival and proliferating signal, mainly affecting CDK2, mapk-Erk and mapk-p38 phosphorylations, while AKT/PKB-related gene remained active. In addition, during cell adhesion PP2A (an important Ser/Thr phosphatase) was inactive in both cell lineages and it seems be a CoCr's molecular fingerprint, regulating specific metabolic pathways involved with cytoskeleton rearrangement. Altogether, our results showed for the first time CoCr affects cellular performance in vitro by modulating integrin activation-based downstream signaling and requiring a reprograming of inflammatory genes activations in vitro. © 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 106A: 839-849, 2018.
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Affiliation(s)
- Célio J C Fernandes
- Department of Chemistry and Biochemistry, Bioscience Institute, State University of São Paulo, UNESP, Campus Botucatu, Botucatu, São Paulo, Brazil
| | - Fabio Bezerra
- Department of Chemistry and Biochemistry, Bioscience Institute, State University of São Paulo, UNESP, Campus Botucatu, Botucatu, São Paulo, Brazil
| | - Maiara das D do Carmo
- Department of Chemistry and Biochemistry, Bioscience Institute, State University of São Paulo, UNESP, Campus Botucatu, Botucatu, São Paulo, Brazil
| | - Georgia S Feltran
- Department of Chemistry and Biochemistry, Bioscience Institute, State University of São Paulo, UNESP, Campus Botucatu, Botucatu, São Paulo, Brazil
| | - Mariana C Rossi
- Department of Chemistry and Biochemistry, Bioscience Institute, State University of São Paulo, UNESP, Campus Botucatu, Botucatu, São Paulo, Brazil
| | - Rodrigo A da Silva
- Department of Chemistry and Biochemistry, Bioscience Institute, State University of São Paulo, UNESP, Campus Botucatu, Botucatu, São Paulo, Brazil
| | - Pedro de M Padilha
- Department of Chemistry and Biochemistry, Bioscience Institute, State University of São Paulo, UNESP, Campus Botucatu, Botucatu, São Paulo, Brazil
| | - Willian F Zambuzzi
- Department of Chemistry and Biochemistry, Bioscience Institute, State University of São Paulo, UNESP, Campus Botucatu, Botucatu, São Paulo, Brazil
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11
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Fibroblast contributes for osteoblastic phenotype in a MAPK-ERK and sonic hedgehog signaling-independent manner. Mol Cell Biochem 2017; 436:111-117. [DOI: 10.1007/s11010-017-3083-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Accepted: 05/30/2017] [Indexed: 11/26/2022]
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12
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Faria AVS, Tornatore TF, Milani R, Queiroz KCS, Sampaio IH, Fonseca EMB, Rocha-Brito KJP, Santos TO, Silveira LR, Peppelenbosch MP, Ferreira-Halder CV. Oncophosphosignaling Favors a Glycolytic Phenotype in Human Drug Resistant Leukemia. J Cell Biochem 2017; 118:3846-3854. [PMID: 28387439 DOI: 10.1002/jcb.26034] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2016] [Accepted: 04/05/2017] [Indexed: 12/13/2022]
Abstract
In chemoresistant leukemia cells (Lucena-1), the low molecular weight protein tyrosine phosphatase (LMWPTP) is about 20-fold more active than in their susceptible counterpart (K562). We found this phosphatase ensures the activated statuses of Src and Bcr-Abl. Since, phosphorylation and dephosphorylation of proteins represent a key post-translational regulation of several enzymes, we also explored the kinome. We hereby show that LMWPTP superactivation, together with kinome reprogramming, cooperate towards glucose addiction. Resistant leukemia cells present lower levels of oxidative metabolism, in part due to downexpression of the following mitochondrial proteins: pyruvate dehydrogenase subunit alpha 1, succinate dehydrogenase, and voltage-dependent anion channel. Those cells displayed higher expression levels of glucose transporter 1 and higher production of lactate. In addition, Lucena-1 siRNA LMWPTP cells showed lower expression levels of glucose transporter 1 and lower activity of lactate dehydrogenase. On the other hand, K562 cells overexpressing LMWPTP presented higher expression/activity of both proteins. In this study, we show that LMWPTP is a pivotal mediator of metabolic reprogramming that confers survival advantages to leukemia cells against death stimuli. J. Cell. Biochem. 118: 3846-3854, 2017. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Alessandra V S Faria
- Department of Biochemistry and Tissue Biology, Biology Institute, University of Campinas, Campinas, São Paulo 13083-862, Brazil
| | - Thaís F Tornatore
- Department of Biochemistry and Tissue Biology, Biology Institute, University of Campinas, Campinas, São Paulo 13083-862, Brazil
| | - Renato Milani
- Department of Biochemistry and Tissue Biology, Biology Institute, University of Campinas, Campinas, São Paulo 13083-862, Brazil
| | - Karla C S Queiroz
- Department of Biochemistry and Tissue Biology, Biology Institute, University of Campinas, Campinas, São Paulo 13083-862, Brazil
| | - Igor H Sampaio
- Department of Structural and Functional Biology, University of Campinas, Campinas, São Paulo 13083-862, Brazil.,Faculty of Medicine of Ribeirão Preto, Department of Biochemistry and Immunology, University of São Paulo, Ribeirão Preto, São Paulo 14049-900, Brazil
| | - Emanuella M B Fonseca
- Department of Biochemistry and Tissue Biology, Biology Institute, University of Campinas, Campinas, São Paulo 13083-862, Brazil
| | | | - Tamira O Santos
- Department of Biochemistry and Tissue Biology, Biology Institute, University of Campinas, Campinas, São Paulo 13083-862, Brazil
| | - Leonardo R Silveira
- Department of Structural and Functional Biology, University of Campinas, Campinas, São Paulo 13083-862, Brazil
| | - Maikel P Peppelenbosch
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam 3015 CE, The Netherlands
| | - Carmen V Ferreira-Halder
- Department of Biochemistry and Tissue Biology, Biology Institute, University of Campinas, Campinas, São Paulo 13083-862, Brazil
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13
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Silva RA, Palladino MV, Cavalheiro RP, Machado D, Cruz BLG, Paredes-Gamero EJ, Gomes-Marcondes MCC, Zambuzzi WF, Vasques L, Nader HB, Souza ACS, Justo GZ. Activation of the low molecular weight protein tyrosine phosphatase in keratinocytes exposed to hyperosmotic stress. PLoS One 2015; 10:e0119020. [PMID: 25781955 PMCID: PMC4363792 DOI: 10.1371/journal.pone.0119020] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2014] [Accepted: 01/15/2015] [Indexed: 12/18/2022] Open
Abstract
Herein, we provide new contribution to the mechanisms involved in keratinocytes response to hyperosmotic shock showing, for the first time, the participation of Low Molecular Weight Protein Tyrosine Phosphatase (LMWPTP) activity in this event. We reported that sorbitol-induced osmotic stress mediates alterations in the phosphorylation of pivotal cytoskeletal proteins, particularly Src and cofilin. Furthermore, an increase in the expression of the phosphorylated form of LMWPTP, which was followed by an augment in its catalytic activity, was observed. Of particular importance, these responses occurred in an intracellular milieu characterized by elevated levels of reduced glutathione (GSH) and increased expression of the antioxidant enzymes glutathione peroxidase and glutathione reductase. Altogether, our results suggest that hyperosmostic stress provides a favorable cellular environment to the activation of LMWPTP, which is associated with increased expression of antioxidant enzymes, high levels of GSH and inhibition of Src kinase. Finally, the real contribution of LMWPTP in the hyperosmotic stress response of keratinocytes was demonstrated through analysis of the effects of ACP1 gene knockdown in stressed and non-stressed cells. LMWPTP knockdown attenuates the effects of sorbitol induced-stress in HaCaT cells, mainly in the status of Src kinase, Rac and STAT5 phosphorylation and activity. These results describe for the first time the participation of LMWPTP in the dynamics of cytoskeleton rearrangement during exposure of human keratinocytes to hyperosmotic shock, which may contribute to cell death.
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Affiliation(s)
- Rodrigo A. Silva
- Departamento de Bioquímica, Instituto de Biologia, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
| | - Marcelly V. Palladino
- Departamento de Bioquímica (Campus São Paulo), Universidade Federal de São Paulo, São Paulo, São Paulo, Brazil
| | - Renan P. Cavalheiro
- Departamento de Bioquímica (Campus São Paulo), Universidade Federal de São Paulo, São Paulo, São Paulo, Brazil
| | - Daisy Machado
- Departamento de Bioquímica, Instituto de Biologia, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
| | - Bread L. G. Cruz
- Departamento de Bioquímica, Instituto de Biologia, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
| | - Edgar J. Paredes-Gamero
- Departamento de Bioquímica (Campus São Paulo), Universidade Federal de São Paulo, São Paulo, São Paulo, Brazil
| | - Maria C. C. Gomes-Marcondes
- Departamento de Bioquímica, Instituto de Biologia, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
| | - Willian F. Zambuzzi
- Departamento de Química e Bioquímica, IBB, Universidade Estadual Paulista, Botucatu, São Paulo, Brazil
| | - Luciana Vasques
- Departamento de Genética e Biologia Evolutiva, Universidade de São Paulo, São Paulo, São Paulo, Brazil
| | - Helena B. Nader
- Departamento de Bioquímica (Campus São Paulo), Universidade Federal de São Paulo, São Paulo, São Paulo, Brazil
| | - Ana Carolina S. Souza
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Santo André, São Paulo, Brazil
| | - Giselle Z. Justo
- Departamento de Bioquímica, Instituto de Biologia, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil
- Departamento de Bioquímica (Campus São Paulo) and Departamento de Ciências Biológicas (Campus Diadema), Universidade Federal de São Paulo, São Paulo, São Paulo, Brazil
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14
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Zambuzzi WF, Bonfante EA, Jimbo R, Hayashi M, Andersson M, Alves G, Takamori ER, Beltrão PJ, Coelho PG, Granjeiro JM. Nanometer scale titanium surface texturing are detected by signaling pathways involving transient FAK and Src activations. PLoS One 2014; 9:e95662. [PMID: 24999733 PMCID: PMC4085036 DOI: 10.1371/journal.pone.0095662] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2013] [Accepted: 03/30/2014] [Indexed: 12/03/2022] Open
Abstract
Background It is known that physico/chemical alterations on biomaterial surfaces have the capability to modulate cellular behavior, affecting early tissue repair. Such surface modifications are aimed to improve early healing response and, clinically, offer the possibility to shorten the time from implant placement to functional loading. Since FAK and Src are intracellular proteins able to predict the quality of osteoblast adhesion, this study evaluated the osteoblast behavior in response to nanometer scale titanium surface texturing by monitoring FAK and Src phosphorylations. Methodology Four engineered titanium surfaces were used for the study: machined (M), dual acid-etched (DAA), resorbable media microblasted and acid-etched (MBAA), and acid-etch microblasted (AAMB). Surfaces were characterized by scanning electron microscopy, interferometry, atomic force microscopy, x-ray photoelectron spectroscopy and energy dispersive X-ray spectroscopy. Thereafter, those 4 samples were used to evaluate their cytotoxicity and interference on FAK and Src phosphorylations. Both Src and FAK were investigated by using specific antibody against specific phosphorylation sites. Principal Findings The results showed that both FAK and Src activations were differently modulated as a function of titanium surfaces physico/chemical configuration and protein adsorption. Conclusions It can be suggested that signaling pathways involving both FAK and Src could provide biomarkers to predict osteoblast adhesion onto different surfaces.
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Affiliation(s)
- Willian F. Zambuzzi
- Departmento de Química e Bioquímica, Instituto de Biociências, Universidade Estadual Paulista - UNESP, Botucatu, São Paulo, Brazil
- * E-mail: (WFZ); (JMG)
| | - Estevam A. Bonfante
- Faculdade de Odontologia de Bauru, Universidade de São Paulo, Bauru, São Paulo, Brazil
| | - Ryo Jimbo
- Department of Prosthodontics, Faculty of Odontology, Malmö University, Malmö, Sweden
| | - Mariko Hayashi
- Department of Prosthodontics, Faculty of Odontology, Malmö University, Malmö, Sweden
| | - Martin Andersson
- Department of Chemical and Biological Engineering, Applied Surface Chemistry, Chalmers University of Technology, Gothenburg, Sweden
| | - Gutemberg Alves
- Department of Cell and Molecular Biology, Institute of Biology, Universidade Federal Fluminense, Niteroi, Brazil
| | | | - Paulo J. Beltrão
- National Institute of Metrology, Quality and Technology - INMETRO, Xerém, Rio de Janeiro, Brazil
| | - Paulo G. Coelho
- Department of Biomaterials and Biomimetics/Director for Research Department of Periodontology and Implant Dentistry, New York University College of Dentistry, New York, New York, United States of America
| | - José M. Granjeiro
- National Institute of Metrology, Quality and Technology - INMETRO, Xerém, Rio de Janeiro, Brazil
- * E-mail: (WFZ); (JMG)
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15
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Liu YJ, Zhang L, Papasian CJ, Deng HW. Genome-wide Association Studies for Osteoporosis: A 2013 Update. J Bone Metab 2014; 21:99-116. [PMID: 25006567 PMCID: PMC4075273 DOI: 10.11005/jbm.2014.21.2.99] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2014] [Revised: 04/30/2014] [Accepted: 04/30/2014] [Indexed: 12/16/2022] Open
Abstract
In the past few years, the bone field has witnessed great advances in genome-wide association studies (GWASs) of osteoporosis, with a number of promising genes identified. In particular, meta-analysis of GWASs, aimed at increasing the power of studies by combining the results from different study populations, have led to the identification of novel associations that would not otherwise have been identified in individual GWASs. Recently, the first whole genome sequencing study for osteoporosis and fractures was published, reporting a novel rare nonsense mutation. This review summarizes the important and representative findings published by December 2013. Comments are made on the notable findings and representative studies for their potential influence and implications on our present understanding of the genetics of osteoporosis. Potential limitations of GWASs and their meta-analyses are evaluated, with an emphasis on understanding the reasons for inconsistent results between different studies and clarification of misinterpretation of GWAS meta-analysis results. Implications and challenges of GWAS are also discussed, including the need for multi- and inter-disciplinary studies.
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Affiliation(s)
- Yong-Jun Liu
- Center for Bioinformatics and Genomics, Department of Biostatistics, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, USA
| | - Lei Zhang
- Center for Bioinformatics and Genomics, Department of Biostatistics, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, USA. ; Center of System Biomedical Sciences, University of Shanghai for Science and Technology, Shanghai, PR, China
| | | | - Hong-Wen Deng
- Center for Bioinformatics and Genomics, Department of Biostatistics, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, USA. ; Center of System Biomedical Sciences, University of Shanghai for Science and Technology, Shanghai, PR, China
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16
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Queiroz KCS, Milani R, Ruela-de-Sousa RR, Fuhler GM, Justo GZ, Zambuzzi WF, Duran N, Diks SH, Spek CA, Ferreira CV, Peppelenbosch MP. Violacein induces death of resistant leukaemia cells via kinome reprogramming, endoplasmic reticulum stress and Golgi apparatus collapse. PLoS One 2012; 7:e45362. [PMID: 23071514 PMCID: PMC3469566 DOI: 10.1371/journal.pone.0045362] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2011] [Accepted: 08/20/2012] [Indexed: 12/20/2022] Open
Abstract
It is now generally recognised that different modes of programmed cell death (PCD) are intimately linked to the cancerous process. However, the mechanism of PCD involved in cancer chemoprevention is much less clear and may be different between types of chemopreventive agents and tumour cell types involved. Therefore, from a pharmacological view, it is crucial during the earlier steps of drug development to define the cellular specificity of the candidate as well as its capacity to bypass dysfunctional tumoral signalling pathways providing insensitivity to death stimuli. Studying the cytotoxic effects of violacein, an antibiotic dihydro-indolone synthesised by an Amazon river Chromobacterium, we observed that death induced in CD34(+)/c-Kit(+)/P-glycoprotein(+)/MRP1(+) TF1 leukaemia progenitor cells is not mediated by apoptosis and/or autophagy, since biomarkers of both types of cell death were not significantly affected by this compound. To clarify the working mechanism of violacein, we performed kinome profiling using peptide arrays to yield comprehensive descriptions of cellular kinase activities. Pro-death activity of violacein is actually carried out by inhibition of calpain and DAPK1 and activation of PKA, AKT and PDK, followed by structural changes caused by endoplasmic reticulum stress and Golgi apparatus collapse, leading to cellular demise. Our results demonstrate that violacein induces kinome reprogramming, overcoming death signaling dysfunctions of intrinsically resistant human leukaemia cells.
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Affiliation(s)
- Karla C. S. Queiroz
- Center for Experimental and Molecular Medicine, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
- Department of Biochemistry, Institute of Biology, University of Campinas, Brazil (UNICAMP), Campinas, São Paulo, Brazil
| | - Renato Milani
- Department of Biochemistry, Institute of Biology, University of Campinas, Brazil (UNICAMP), Campinas, São Paulo, Brazil
| | - Roberta R. Ruela-de-Sousa
- Center for Experimental and Molecular Medicine, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
- Department of Biochemistry, Institute of Biology, University of Campinas, Brazil (UNICAMP), Campinas, São Paulo, Brazil
| | - Gwenny M. Fuhler
- Department of Gastroenterology and Hepatology, Erasmus MC-University Medical Center, Rotterdam, The Netherlands
| | - Giselle Z. Justo
- Department of Cell Biology and Department of Biochemistry, Federal University of São Paulo (UNIFESP), São Paulo, São Paulo, Brazil
| | - Willian F. Zambuzzi
- Multidisciplinary Lab in Dental Research, Heath Sciences School, University of Grande Rio (UNIGRANRIO), Rio de Janeiro, Brazil
- Biotechnology Lab, Bioengineering Sector, National Institute of Metrology, Quality and Technology (Inmetro), Duque de Caxias, Rio de Janeiro, Brazil
| | - Nelson Duran
- Biological Chemistry Laboratory, Institute of Chemistry, University of Campinas (UNICAMP), Campinas, São Paulo, Brazil
| | - Sander H. Diks
- Beatrix Children's Hospital, Department of Pediatric Oncology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - C. Arnold Spek
- Center for Experimental and Molecular Medicine, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Carmen V. Ferreira
- Department of Biochemistry, Institute of Biology, University of Campinas, Brazil (UNICAMP), Campinas, São Paulo, Brazil
| | - Maikel P. Peppelenbosch
- Department of Gastroenterology and Hepatology, Erasmus MC-University Medical Center, Rotterdam, The Netherlands
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17
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Peppelenbosch MP. Kinome profiling. SCIENTIFICA 2012; 2012:306798. [PMID: 24278683 PMCID: PMC3820527 DOI: 10.6064/2012/306798] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2012] [Accepted: 07/12/2012] [Indexed: 06/02/2023]
Abstract
The use of arrays in genomics has led to a fast and reliable way to screen the transcriptome of an organism. It can be automated and analysis tools have become available and hence the technique has become widely used within the past few years. Signal-transduction routes rely mainly on the phosphorylation status of already available proteins; therefore kinases are central players in signal-transduction routes. The array technology can now also be used for the analysis of the kinome. To enable array analysis, consensus peptides for kinases are spot on a solid support. After incubation with cell lysates and in the presence of radioactive ATP, radioactive peptides can be visualized and the kinases that are active in the cells can be determined. The present paper reviews comprehensively the different kinome array platforms available and results obtained hitherto using such platforms. It will appear that this technology does not disappoint its high expectations and is especially powerful because of its species independence. Nevertheless, improvements are still possible and I shall also sketch future possible directions.
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Affiliation(s)
- Maikel P. Peppelenbosch
- Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center Rotterdam, L-459, P.O. Box 2040, NL-3000 CA Rotterdam, The Netherlands
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Abstract
Enzymes are key molecules in signal-transduction pathways. However, only a small fraction of more than 500 human kinases, 300 human proteases and 200 human phosphatases is characterised so far. Peptide microarray based technologies for extremely efficient profiling of enzyme substrate specificity emerged in the last years. This technology reduces set-up time for HTS assays and allows the identification of downstream targets. Moreover, peptide microarrays enable optimisation of enzyme substrates. Focus of this review is on assay principles for measuring activities of kinases, phosphatases or proteases and on substrate identification/optimisation for kinases. Additionally, several examples for reliable identification of substrates for lysine methyl-transferases, histone deacetylases and SUMO-transferases are given. Finally, use of high-density peptide microarrays for the simultaneous profiling of kinase activities in complex biological samples like cell lysates or lysates of complete organisms is described. All published examples of peptide arrays used for enzyme profiling are summarised comprehensively.
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