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Lee G, Wong C, Cho A, West JJ, Crawford AJ, Russo GC, Si BR, Kim J, Hoffner L, Jang C, Jung M, Leone RD, Konstantopoulos K, Ewald AJ, Wirtz D, Jeong S. E-Cadherin Induces Serine Synthesis to Support Progression and Metastasis of Breast Cancer. Cancer Res 2024; 84:2820-2835. [PMID: 38959339 PMCID: PMC11374473 DOI: 10.1158/0008-5472.can-23-3082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 03/27/2024] [Accepted: 06/24/2024] [Indexed: 07/05/2024]
Abstract
The loss of E-cadherin, an epithelial cell adhesion molecule, has been implicated in metastasis by mediating the epithelial-mesenchymal transition, which promotes invasion and migration of cancer cells. However, recent studies have demonstrated that E-cadherin supports the survival and proliferation of metastatic cancer cells. Here, we identified a metabolic role for E-cadherin in breast cancer by upregulating the de novo serine synthesis pathway (SSP). The upregulated SSP provided metabolic precursors for biosynthesis and resistance to oxidative stress, enabling E-cadherin+ breast cancer cells to achieve faster tumor growth and enhanced metastases. Inhibition of phosphoglycerate dehydrogenase, a rate-limiting enzyme in the SSP, significantly and specifically hampered proliferation of E-cadherin+ breast cancer cells and rendered them vulnerable to oxidative stress, inhibiting their metastatic potential. These findings reveal that E-cadherin reprograms cellular metabolism, promoting tumor growth and metastasis of breast cancers. Significance: E-Cadherin promotes the progression and metastasis of breast cancer by upregulating the de novo serine synthesis pathway, offering promising targets for inhibiting tumor growth and metastasis in E-cadherin-expressing tumors.
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Affiliation(s)
- Geonhui Lee
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland
- Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland
| | - Claudia Wong
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland
- Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland
| | - Anna Cho
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland
- Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland
| | - Junior J West
- Department of Cell Biology, School of Medicine, Johns Hopkins University, Baltimore, Maryland
| | - Ashleigh J Crawford
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland
- Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland
| | - Gabriella C Russo
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland
- Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland
| | - Bishwa R Si
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland
- Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland
| | - Jungwoo Kim
- Division of Hematology, Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, Maryland
| | - Lauren Hoffner
- Department of Biological Chemistry, Chao Family Comprehensive Cancer Center, University of California Irvine, Irvine, California
| | - Cholsoon Jang
- Department of Biological Chemistry, Chao Family Comprehensive Cancer Center, University of California Irvine, Irvine, California
| | - Moonjung Jung
- Division of Hematology, Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, Maryland
- Department of Genetic Medicine, School of Medicine, Johns Hopkins University, Baltimore, Maryland
- Department of Oncology, Sidney Kimmel Comprehensive Cancer Research Center, School of Medicine, Johns Hopkins University, Baltimore, Maryland
| | - Robert D Leone
- Bloomberg∼Kimmel Institute for Cancer Immunotherapy, Sidney Kimmel Comprehensive Cancer Research Center, School of Medicine, Johns Hopkins University, Baltimore, Maryland
| | - Konstantinos Konstantopoulos
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland
- Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland
- Department of Oncology, Sidney Kimmel Comprehensive Cancer Research Center, School of Medicine, Johns Hopkins University, Baltimore, Maryland
| | - Andrew J Ewald
- Department of Cell Biology, School of Medicine, Johns Hopkins University, Baltimore, Maryland
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland
- Department of Oncology, Sidney Kimmel Comprehensive Cancer Research Center, School of Medicine, Johns Hopkins University, Baltimore, Maryland
| | - Denis Wirtz
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland
- Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland
- Department of Oncology, Sidney Kimmel Comprehensive Cancer Research Center, School of Medicine, Johns Hopkins University, Baltimore, Maryland
| | - Sangmoo Jeong
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland
- Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland
- Department of Oncology, Sidney Kimmel Comprehensive Cancer Research Center, School of Medicine, Johns Hopkins University, Baltimore, Maryland
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2
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Robert M, Kennedy BK, Crasta KC. Therapy-induced senescence through the redox lens. Redox Biol 2024; 74:103228. [PMID: 38865902 PMCID: PMC11215421 DOI: 10.1016/j.redox.2024.103228] [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: 05/08/2024] [Revised: 05/22/2024] [Accepted: 06/04/2024] [Indexed: 06/14/2024] Open
Abstract
Therapy-induced senescent tumor cells have emerged as significant drivers of tumor recurrence and disease relapse. Interestingly, reactive oxygen species (ROS) production and its associated redox signaling networks are intertwined with initiation and establishment of therapy-induced senescence. Therapy-induced senescent cells influence neighboring cells and the tumor microenvironment via their bioactive secretome known as the senescence-associated secretory phenotype (SASP). The intracellular effects of ROS are dose and context-dependent. Under normal physiological conditions, ROS is involved in various signalling pathways and cellular processes important for maintenance of cellular homeostasis, such as redox balance, stress response, inflammatory signalling, cell proliferation and cell death among others. However excess ROS accompanied by a pro-oxidant microenvironment can engender oxidative DNA damage, triggering cellular senescence. In this review, we discuss the role of ROS and the redox state dynamics in fine-tuning homeostatic processes that drive therapy-induced cell fate towards senescence establishment, as well as their influence in stimulating inflammatory signalling and SASP production. We also offer insights into interventional strategies, specifically senotherapeutics, that could potentially leverage on modulation of redox and antioxidant pathways. Lastly, we evaluate possible implications of redox rewiring during escape from therapy-induced senescence, an emerging area of research. We envision that examining therapy-induced senescence through the redox lens, integrated with time-resolved single-cell RNA sequencing combined with spatiotemporal multi-omics, could further enhance our understanding of its functional heterogeneity. This could aid identification of targetable signalling nodes to reduce disease relapse, as well as inform strategies for development of broad-spectrum senotherapeutics. Overall, our review aims to delineate redox-driven mechanisms which contribute to the biology of therapy-induced senescence and beyond, while highlighting implications for tumor initiation and recurrence.
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Affiliation(s)
- Matius Robert
- Healthy Longevity Translational Research Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; Centre for Healthy Longevity, National University Health System, Singapore; Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Brian K Kennedy
- Healthy Longevity Translational Research Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; Centre for Healthy Longevity, National University Health System, Singapore; Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.
| | - Karen C Crasta
- Healthy Longevity Translational Research Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; Centre for Healthy Longevity, National University Health System, Singapore; Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; NUS Centre for Cancer Research, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.
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3
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Czyzynska-Cichon I, Giergiel M, Kwiatkowski G, Kurpinska A, Wojnar-Lason K, Kaczara P, Szymonski M, Lekka M, Kalvins I, Zapotoczny B, Chlopicki S. Protein disulfide isomerase A1 regulates fenestration dynamics in primary mouse liver sinusoidal endothelial cells (LSECs). Redox Biol 2024; 72:103162. [PMID: 38669864 PMCID: PMC11068635 DOI: 10.1016/j.redox.2024.103162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 04/06/2024] [Accepted: 04/15/2024] [Indexed: 04/28/2024] Open
Abstract
Protein disulfide isomerases (PDIs) are involved in many intracellular and extracellular processes, including cell adhesion and cytoskeletal reorganisation, but their contribution to the regulation of fenestrations in liver sinusoidal endothelial cells (LSECs) remains unknown. Given that fenestrations are supported on a cytoskeleton scaffold, this study aimed to investigate whether endothelial PDIs regulate fenestration dynamics in primary mouse LSECs. PDIA3 and PDIA1 were found to be the most abundant among PDI isoforms in LSECs. Taking advantage of atomic force microscopy, the effects of PDIA1 or PDIA3 inhibition on the fenestrations in LSECs were investigated using a classic PDIA1 inhibitor (bepristat) and novel aromatic N-sulfonamides of aziridine-2-carboxylic acid derivatives as PDIA1 (C-3389) or PDIA3 (C-3399) inhibitors. The effect of PDIA1 inhibition on liver perfusion was studied in vivo using dynamic contrast-enhanced magnetic resonance imaging. Additionally, PDIA1 inhibitors were examined in vitro in LSECs for effects on adhesion, cytoskeleton organisation, bioenergetics, and viability. Inhibition of PDIA1 with bepristat or C-3389 significantly reduced the number of fenestrations in LSECs, while inhibition of PDIA3 with C-3399 had no effect. Moreover, the blocking of free thiols by the cell-penetrating N-ethylmaleimide, but not by the non-cell-penetrating 4-chloromercuribenzenesulfonate, resulted in LSEC defenestration. Inhibition of PDIA1 did not affect LSEC adhesion, viability, and bioenergetics, nor did it induce a clear-cut rearrangement of the cytoskeleton. However, PDIA1-dependent defenestration was reversed by cytochalasin B, a known fenestration stimulator, pointing to the preserved ability of LSECs to form new pores. Importantly, systemic inhibition of PDIA1 in vivo affected intra-parenchymal uptake of contrast agent in mice consistent with LSEC defenestration. These results revealed the role of intracellular PDIA1 in the regulation of fenestration dynamics in LSECs, and in maintaining hepatic sinusoid homeostasis.
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Affiliation(s)
- Izabela Czyzynska-Cichon
- Jagiellonian University, Jagiellonian Centre for Experimental Therapeutics (JCET), Bobrzynskiego 14, 30-348, Krakow, Poland
| | - Magdalena Giergiel
- Jagiellonian University, Centre for Nanometer-Scale Science and Advanced Materials, NANOSAM, Faculty of Physics, Astronomy, and Applied Computer Science, Lojasiewicza 11, 30-348, Krakow, Poland
| | - Grzegorz Kwiatkowski
- Jagiellonian University, Jagiellonian Centre for Experimental Therapeutics (JCET), Bobrzynskiego 14, 30-348, Krakow, Poland
| | - Anna Kurpinska
- Jagiellonian University, Jagiellonian Centre for Experimental Therapeutics (JCET), Bobrzynskiego 14, 30-348, Krakow, Poland
| | - Kamila Wojnar-Lason
- Jagiellonian University, Jagiellonian Centre for Experimental Therapeutics (JCET), Bobrzynskiego 14, 30-348, Krakow, Poland; Jagiellonian University Medical College, Faculty of Medicine, Department of Pharmacology, Grzegorzecka 16, 31-531, Krakow, Poland
| | - Patrycja Kaczara
- Jagiellonian University, Jagiellonian Centre for Experimental Therapeutics (JCET), Bobrzynskiego 14, 30-348, Krakow, Poland
| | - Marek Szymonski
- Jagiellonian University, Centre for Nanometer-Scale Science and Advanced Materials, NANOSAM, Faculty of Physics, Astronomy, and Applied Computer Science, Lojasiewicza 11, 30-348, Krakow, Poland
| | - Malgorzata Lekka
- Institute of Nuclear Physics Polish Academy of Sciences, Radzikowskiego 152, 31-342, Krakow, Poland
| | - Ivars Kalvins
- Laboratory of Carbofunctional Compounds, Latvian Institute of Organic Synthesis, LV-1006, Riga, Latvia
| | - Bartlomiej Zapotoczny
- Jagiellonian University, Centre for Nanometer-Scale Science and Advanced Materials, NANOSAM, Faculty of Physics, Astronomy, and Applied Computer Science, Lojasiewicza 11, 30-348, Krakow, Poland; Institute of Nuclear Physics Polish Academy of Sciences, Radzikowskiego 152, 31-342, Krakow, Poland.
| | - Stefan Chlopicki
- Jagiellonian University, Jagiellonian Centre for Experimental Therapeutics (JCET), Bobrzynskiego 14, 30-348, Krakow, Poland; Jagiellonian University Medical College, Faculty of Medicine, Department of Pharmacology, Grzegorzecka 16, 31-531, Krakow, Poland.
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4
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Lee G, Wong C, Cho A, West JJ, Crawford AJ, Russo GC, Si BR, Kim J, Hoffner L, Jang C, Jung M, Leone RD, Konstantopoulos K, Ewald AJ, Wirtz D, Jeong S. Serine synthesis pathway upregulated by E-cadherin is essential for the proliferation and metastasis of breast cancers. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.05.24.541452. [PMID: 37292712 PMCID: PMC10245808 DOI: 10.1101/2023.05.24.541452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The loss of E-cadherin (E-cad), an epithelial cell adhesion molecule, has been implicated in the epithelial-mesenchymal transition (EMT), promoting invasion and migration of cancer cells and, consequently, metastasis. However, recent studies have demonstrated that E-cad supports the survival and proliferation of metastatic cancer cells, suggesting that our understanding of E-cad in metastasis is far from comprehensive. Here, we report that E-cad upregulates the de novo serine synthesis pathway (SSP) in breast cancer cells. The SSP provides metabolic precursors for biosynthesis and resistance to oxidative stress, critically beneficial for E-cad-positive breast cancer cells to achieve faster tumor growth and more metastases. Inhibition of PHGDH, a rate-limiting enzyme in the SSP, significantly and specifically hampered the proliferation of E-cad-positive breast cancer cells and rendered them vulnerable to oxidative stress, inhibiting their metastatic potential. Our findings reveal that E-cad adhesion molecule significantly reprograms cellular metabolism, promoting tumor growth and metastasis of breast cancers.
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5
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Sousa-Squiavinato ACM, Morgado-Díaz JA. A glimpse into cofilin-1 role in cancer therapy: A potential target to improve clinical outcomes? Biochim Biophys Acta Rev Cancer 2024; 1879:189087. [PMID: 38395237 DOI: 10.1016/j.bbcan.2024.189087] [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: 10/13/2023] [Revised: 12/22/2023] [Accepted: 02/18/2024] [Indexed: 02/25/2024]
Abstract
Cofilin-1 (CFL1) modulates dynamic actin networks by severing and enhancing depolymerization. The upregulation of cofilin-1 expression in several cancer types is associated with tumor progression and metastasis. However, recent discoveries indicated relevant cofilin-1 functions under oxidative stress conditions, interplaying with mitochondrial dynamics, and apoptosis networks. In this scenario, these emerging roles might impact the response to clinical therapy and could be used to enhance treatment efficacy. Here, we highlight new perspectives of cofilin-1 in the therapy resistance context and discussed how cofilin-1 is involved in these events, exploring aspects of its contribution to therapeutic resistance. We also provide an analysis of CFL1 expression in several tumors predicting survival. Therefore, understanding how exactly coflin-1 plays, particularly in therapy resistance, may pave the way to the development of treatment strategies and improvement of patient survival.
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Affiliation(s)
| | - Jose Andrés Morgado-Díaz
- Cellular and Molecular Oncobiology Program, Brazilian National Cancer Institute (INCA), Rio de Janeiro, Brazil.
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6
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Ren X, Shi P, Su J, Wei T, Li J, Hu Y, Wu C. Loss of Myo19 increases metastasis by enhancing microenvironmental ROS gradient and chemotaxis. EMBO Rep 2024; 25:971-990. [PMID: 38279020 PMCID: PMC10933354 DOI: 10.1038/s44319-023-00052-y] [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: 06/10/2023] [Revised: 12/10/2023] [Accepted: 12/19/2023] [Indexed: 01/28/2024] Open
Abstract
Tumor metastasis involves cells migrating directionally in response to external chemical signals. Reactive oxygen species (ROS) in the form of H2O2 has been demonstrated as a chemoattractant for neutrophils but its spatial characteristics in tumor microenvironment and potential role in tumor cell dissemination remain unknown. Here we investigate the spatial ROS distribution in 3D tumor spheroids and identify a ROS concentration gradient in spheroid periphery, which projects into a H2O2 gradient in tumor microenvironment. We further reveal the role of H2O2 gradient to induce chemotaxis of tumor cells by activating Src and subsequently inhibiting RhoA. Finally, we observe that the absence of mitochondria cristae remodeling proteins including the mitochondria-localized actin motor Myosin 19 (Myo19) enhances ROS gradient and promotes tumor dissemination. Myo19 downregulation is seen in many tumors, and Myo19 expression is negatively associated with tumor metastasis in vivo. Together, our study reveals the chemoattractant role of tumor microenvironmental ROS and implies the potential impact of mitochondria cristae disorganization on tumor invasion and metastasis.
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Affiliation(s)
- Xiaoyu Ren
- Institute of Systems Biomedicine, Peking University Health Science Center, Key Laboratory of Tumor Systems Biology, Beijing, 100191, China
| | - Peng Shi
- Institute of Systems Biomedicine, Peking University Health Science Center, Key Laboratory of Tumor Systems Biology, Beijing, 100191, China.
- International Cancer Institute, Peking University, Beijing, 100191, China.
| | - Jing Su
- Department of Pathology, School of Basic Medical Sciences, Peking University Third Hospital, Peking University Health Science Center, Beijing, 100191, China
| | - Tonghua Wei
- Institute of Systems Biomedicine, Peking University Health Science Center, Key Laboratory of Tumor Systems Biology, Beijing, 100191, China
| | - Jiayi Li
- Institute of Systems Biomedicine, Peking University Health Science Center, Key Laboratory of Tumor Systems Biology, Beijing, 100191, China
| | - Yiping Hu
- Institute of Systems Biomedicine, Peking University Health Science Center, Key Laboratory of Tumor Systems Biology, Beijing, 100191, China
| | - Congying Wu
- Institute of Systems Biomedicine, Peking University Health Science Center, Key Laboratory of Tumor Systems Biology, Beijing, 100191, China.
- International Cancer Institute, Peking University, Beijing, 100191, China.
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7
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Xue Y, Xue C, Song W. Emerging roles of deubiquitinating enzymes in actin cytoskeleton and tumor metastasis. Cell Oncol (Dordr) 2024:10.1007/s13402-024-00923-z. [PMID: 38324230 DOI: 10.1007/s13402-024-00923-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/25/2024] [Indexed: 02/08/2024] Open
Abstract
BACKGROUND Metastasis accounts for the majority of cancer-related deaths. Actin dynamics and actin-based cell migration and invasion are important factors in cancer metastasis. Metastasis is characterized by actin polymerization and depolymerization, which are precisely regulated by molecular changes involving a plethora of actin regulators, including actin-binding proteins (ABPs) and signalling pathways, that enable cancer cell dissemination from the primary tumour. Research on deubiquitinating enzymes (DUBs) has revealed their vital roles in actin dynamics and actin-based migration and invasion during cancer metastasis. CONCLUSION Here, we review how DUBs drive tumour metastasis by participating in actin rearrangement and actin-based migration and invasion. We summarize the well-characterized and essential actin cytoskeleton signalling molecules related to DUBs, including Rho GTPases, Src kinases, and ABPs such as cofilin and cortactin. Other DUBs that modulate actin-based migration signalling pathways are also discussed. Finally, we discuss and address therapeutic opportunities and ongoing challenges related to DUBs with respect to actin dynamics.
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Affiliation(s)
- Ying Xue
- Department of Oncology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, PR China.
| | - Cong Xue
- School of Stomatology, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, 250117, PR China
| | - Wei Song
- Department of Oncology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, PR China.
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8
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Weng W, Gu X, Yang Y, Zhang Q, Deng Q, Zhou J, Cheng J, Zhu MX, Feng J, Huang O, Li Y. N-terminal α-amino SUMOylation of cofilin-1 is critical for its regulation of actin depolymerization. Nat Commun 2023; 14:5688. [PMID: 37709794 PMCID: PMC10502023 DOI: 10.1038/s41467-023-41520-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 09/01/2023] [Indexed: 09/16/2023] Open
Abstract
Small ubiquitin-like modifier (SUMO) typically conjugates to target proteins through isopeptide linkage to the ε-amino group of lysine residues. This posttranslational modification (PTM) plays pivotal roles in modulating protein function. Cofilins are key regulators of actin cytoskeleton dynamics and are well-known to undergo several different PTMs. Here, we show that cofilin-1 is conjugated by SUMO1 both in vitro and in vivo. Using mass spectrometry and biochemical and genetic approaches, we identify the N-terminal α-amino group as the SUMO-conjugation site of cofilin-1. Common to conventional SUMOylation is that the N-α-SUMOylation of cofilin-1 is also mediated by SUMO activating (E1), conjugating (E2), and ligating (E3) enzymes and reversed by the SUMO deconjugating enzyme, SENP1. Specific to the N-α-SUMOylation is the physical association of the E1 enzyme to the substrate, cofilin-1. Using F-actin co-sedimentation and actin depolymerization assays in vitro and fluorescence staining of actin filaments in cells, we show that the N-α-SUMOylation promotes cofilin-1 binding to F-actin and cofilin-induced actin depolymerization. This covalent conjugation by SUMO at the N-α amino group of cofilin-1, rather than at an internal lysine(s), serves as an essential PTM to tune cofilin-1 function during regulation of actin dynamics.
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Affiliation(s)
- Weiji Weng
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Xiaokun Gu
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Yang Yang
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Qiao Zhang
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Qi Deng
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Jie Zhou
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Jinke Cheng
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Michael X Zhu
- Department of Integrative Biology and Pharmacology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, 77030, USA
| | - Junfeng Feng
- Brain Injury Centre, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China.
- Shanghai Institute of Head Trauma, Shanghai, 200127, China.
| | - Ou Huang
- Department of General Surgery, Comprehensive Breast Health Center, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
| | - Yong Li
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
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9
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Chen YH, Hsu JY, Chu CT, Chang YW, Fan JR, Yang MH, Chen HC. Loss of cell-cell adhesion triggers cell migration through Rac1-dependent ROS generation. Life Sci Alliance 2023; 6:6/2/e202201529. [PMID: 36446524 PMCID: PMC9711860 DOI: 10.26508/lsa.202201529] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 11/14/2022] [Accepted: 11/15/2022] [Indexed: 11/30/2022] Open
Abstract
Epithelial cells usually trigger their "migratory machinery" upon loss of adhesion to their neighbors. This default is important for both physiological (e.g., wound healing) and pathological (e.g., tumor metastasis) processes. However, the underlying mechanism for such a default remains unclear. In this study, we used the human head and neck squamous cell carcinoma (HNSCC) SAS cells as a model and found that loss of cell-cell adhesion induced reactive oxygen species (ROS) generation and vimentin expression, both of which were required for SAS cell migration upon loss of cell-cell adhesion. We demonstrated that Tiam1-mediated Rac1 activation was responsible for the ROS generation through NADPH-dependent oxidases. Moreover, the ROS-Src-STAT3 signaling pathway that led to vimentin expression was important for SAS cell migration. The activation of ROS, Src, and STAT3 was also detected in tumor biopsies from HNSCC patients. Notably, activated STAT3 was more abundant at the tumor invasive front and correlated with metastatic progression of HNSCC. Together, our results unveil a mechanism of how cells trigger their migration upon loss of cell-cell adhesion and highlight an important role of the ROS-Src-STAT3 signaling pathway in the progression of HNSCC.
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Affiliation(s)
- Yu-Hsuan Chen
- Institute of Biochemistry and Molecular Biology, School of Life Science, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Cancer Progression Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Jinn-Yuan Hsu
- Institute of Biochemistry and Molecular Biology, School of Life Science, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Cancer Progression Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Ching-Tung Chu
- Institute of Biochemistry and Molecular Biology, School of Life Science, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Cancer Progression Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Yao-Wen Chang
- Institute of Clinical Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Jia-Rong Fan
- Institute of Biochemistry and Molecular Biology, School of Life Science, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Cancer Progression Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Muh-Hwa Yang
- Cancer Progression Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Institute of Clinical Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Division of Medical Oncology, Department of Oncology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Hong-Chen Chen
- Institute of Biochemistry and Molecular Biology, School of Life Science, National Yang Ming Chiao Tung University, Taipei, Taiwan .,Cancer Progression Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
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10
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Baroni L, Abreu-Filho PG, Pereira LM, Nagl M, Yatsuda AP. Recombinant actin-depolymerizing factor of the apicomplexan Neospora caninum (NcADF) is susceptible to oxidation. Front Cell Infect Microbiol 2022; 12:952720. [PMID: 36601306 PMCID: PMC9806845 DOI: 10.3389/fcimb.2022.952720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 09/21/2022] [Indexed: 12/24/2022] Open
Abstract
Neospora caninum is a member of Apicomplexa Phylum and the causative agent of neosporosis, a disease responsible for abortions in cattle. Apicomplexan parasites have a limited set of actin-binding proteins conducting the regulation of the dynamics of nonconventional actin. The parasite actin-based motility is implicated in the parasite invasion process in the host cell. Once no commercial strategy for the neosporosis control is available, the interference in the parasite actin function may result in novel drug targets. Actin-depolymerization factor (ADF) is a member of the ADF/cofilin family, primarily known for its function in actin severing and depolymerization. ADF/cofilins are versatile proteins modulated by different mechanisms, including reduction and oxidation. In apicomplexan parasites, the mechanisms involved in the modulation of ADF function are barely explored and the effects of oxidation in the protein are unknown so far. In this study, we used the oxidants N-chlorotaurine (NCT) and H2O2 to investigate the susceptibility of the recombinant N. caninum ADF (NcADF) to oxidation. After exposing the protein to either NCT or H2O2, the dimerization status and cysteine residue oxidation were determined. Also, the interference of NcADF oxidation in the interaction with actin was assessed. The treatment of the recombinant protein with oxidants reversibly induced the production of dimers, indicating that disulfide bonds between NcADF cysteine residues were formed. In addition, the exposure of NcADF to NCT resulted in more efficient oxidation of the cysteine residues compared to H2O2. Finally, the oxidation of NcADF by NCT reduced the ability of actin-binding and altered the function of NcADF in actin polymerization. Altogether, our results clearly show that recombinant NcADF is sensitive to redox conditions, indicating that the function of this protein in cellular processes involving actin dynamics may be modulated by oxidation.
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Affiliation(s)
- Luciana Baroni
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Péricles Gama Abreu-Filho
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Luiz Miguel Pereira
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Markus Nagl
- Institute of Hygiene and Medical Microbiology, Medical University of Innsbruck, Innsbruck, Austria
| | - Ana Patricia Yatsuda
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil,*Correspondence: Ana Patricia Yatsuda,
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11
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McGarry DJ, Castino G, Lilla S, Carnet A, Kelly L, Micovic K, Zanivan S, Olson MF. MICAL1 activation by PAK1 mediates actin filament disassembly. Cell Rep 2022; 41:111442. [PMID: 36198272 DOI: 10.1016/j.celrep.2022.111442] [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: 09/28/2021] [Revised: 06/14/2022] [Accepted: 09/09/2022] [Indexed: 11/03/2022] Open
Abstract
The MICAL1 monooxygenase is an important regulator of filamentous actin (F-actin) structures. Although MICAL1 has been shown to be regulated via protein-protein interactions at the autoinhibitory carboxyl terminus, a link between actin-regulatory RHO GTPase signaling pathways and MICAL1 has not been established. We show that the CDC42 GTPase effector PAK1 associates with and phosphorylates MICAL1 on two serine residues, leading to accelerated F-actin disassembly. PAK1 binds to the amino-terminal catalytic monooxygenase and calponin homology domains, distinct from the autoinhibitory carboxyl terminus. Extracellular ligand stimulation leads to PAK-dependent phosphorylation, linking external signals to MICAL1 phosphorylation. Mass spectrometry indicates that MICAL1 co-expression with CDC42 and PAK1 increases MICAL1 association with hundreds of proteins, including the previously described MICAL1-interacting proteins RAB10 and RAB7A. These results provide insights into a redox-mediated pathway linking extracellular signals to cytoskeleton regulation via a RHO GTPase and indicate a means of communication between RHO and RAB GTPases.
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Affiliation(s)
- David J McGarry
- Department of Chemistry and Biology, Toronto Metropolitan University, Toronto, ON M5B 2K3, Canada
| | - Giovanni Castino
- Department of Chemistry and Biology, Toronto Metropolitan University, Toronto, ON M5B 2K3, Canada
| | - Sergio Lilla
- Cancer Research UK Beatson Institute, Glasgow G61 1BD, UK
| | - Alexandre Carnet
- Department of Chemistry and Biology, Toronto Metropolitan University, Toronto, ON M5B 2K3, Canada
| | - Loughlin Kelly
- Department of Chemistry and Biology, Toronto Metropolitan University, Toronto, ON M5B 2K3, Canada
| | - Katarina Micovic
- Department of Chemistry and Biology, Toronto Metropolitan University, Toronto, ON M5B 2K3, Canada
| | - Sara Zanivan
- Cancer Research UK Beatson Institute, Glasgow G61 1BD, UK; Institute of Cancer Sciences, University of Glasgow, Glasgow, UK
| | - Michael F Olson
- Department of Chemistry and Biology, Toronto Metropolitan University, Toronto, ON M5B 2K3, Canada.
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12
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Micovic K, Satkunarajah T, Carnet A, Hurst M, Viirre R, Olson MF. Synthesis and Use of the Bifunctional Sulfenic Acid Probe BCN-E-BCN for In Vitro and Cell-Based Assays of Protein Oxidation. Curr Protoc 2022; 2:e559. [PMID: 36200822 DOI: 10.1002/cpz1.559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The reversible oxidation of cysteine thiol groups to sulfenic acid by reactive oxygen species (ROS) such as hydrogen peroxide can impact protein function, activity, and localization. As a consequence, ROS have profound effects on cell functions including proliferation, differentiation, and survival. Furthermore, there are clear associations between the effects of ROS on cells and the etiology of several diseases including cancer and neurodegeneration. In spite of the importance of cysteine sulfenylation as a validated post-translational modification, its labile nature impedes efficient and reproducible detection of proteins with cysteine sulfenic acid residues. To overcome this challenge, we developed a novel cell-permeable bifunctional reagent, consisting of two linked bicyclo[6.1.0]nonyne (BCN) moieties coupled with a short ethylenediamine-derived linker (BCN-E-BCN) that enables the detection of sulfenylated proteins in vitro and in intact cells. The two symmetrical BCN groups allow protein sulfenic acids to be selectively tagged with a BCN at one end while allowing for copper-free click chemistry with azide-tagged reagents of the opposite BCN. In this protocol, the synthesis of BCN-E-BCN and its use to detect cysteine sulfenic acids will be detailed. © 2022 The Authors. Current Protocols published by Wiley Periodicals LLC. Basic Protocol 1: Copper-mediated cyclopropanation of 1,5-cyclooctadiene Basic Protocol 2: Synthesis of endo- and exo-bicyclononyne Basic Protocol 3: Synthesis of endo-BCN-E-BCN Basic Protocol 4: BCN-E-BCN treatment of wild-type and cysteine-deficient mutant recombinant cofilin protein Basic Protocol 5: BCN-E-BCN labeling in live cells Basic Protocol 6: Western blotting and visualization of BCN-E-BCN-labeled samples.
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Affiliation(s)
- Katarina Micovic
- Department of Chemistry and Biology, Toronto Metropolitan University, Toronto, Ontario, Canada
| | - Thershan Satkunarajah
- Department of Chemistry and Biology, Toronto Metropolitan University, Toronto, Ontario, Canada
| | - Alexandre Carnet
- Department of Chemistry and Biology, Toronto Metropolitan University, Toronto, Ontario, Canada
| | - Mackenzie Hurst
- Department of Chemistry and Biology, Toronto Metropolitan University, Toronto, Ontario, Canada
| | - Russell Viirre
- Department of Chemistry and Biology, Toronto Metropolitan University, Toronto, Ontario, Canada
| | - Michael F Olson
- Department of Chemistry and Biology, Toronto Metropolitan University, Toronto, Ontario, Canada
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13
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Nahacka Z, Novak J, Zobalova R, Neuzil J. Miro proteins and their role in mitochondrial transfer in cancer and beyond. Front Cell Dev Biol 2022; 10:937753. [PMID: 35959487 PMCID: PMC9358137 DOI: 10.3389/fcell.2022.937753] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 07/04/2022] [Indexed: 11/24/2022] Open
Abstract
Mitochondria are organelles essential for tumor cell proliferation and metastasis. Although their main cellular function, generation of energy in the form of ATP is dispensable for cancer cells, their capability to drive their adaptation to stress originating from tumor microenvironment makes them a plausible therapeutic target. Recent research has revealed that cancer cells with damaged oxidative phosphorylation import healthy (functional) mitochondria from surrounding stromal cells to drive pyrimidine synthesis and cell proliferation. Furthermore, it has been shown that energetically competent mitochondria are fundamental for tumor cell migration, invasion and metastasis. The spatial positioning and transport of mitochondria involves Miro proteins from a subfamily of small GTPases, localized in outer mitochondrial membrane. Miro proteins are involved in the structure of the MICOS complex, connecting outer and inner-mitochondrial membrane; in mitochondria-ER communication; Ca2+ metabolism; and in the recycling of damaged organelles via mitophagy. The most important role of Miro is regulation of mitochondrial movement and distribution within (and between) cells, acting as an adaptor linking organelles to cytoskeleton-associated motor proteins. In this review, we discuss the function of Miro proteins in various modes of intercellular mitochondrial transfer, emphasizing the structure and dynamics of tunneling nanotubes, the most common transfer modality. We summarize the evidence for and propose possible roles of Miro proteins in nanotube-mediated transfer as well as in cancer cell migration and metastasis, both processes being tightly connected to cytoskeleton-driven mitochondrial movement and positioning.
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Affiliation(s)
- Zuzana Nahacka
- Laboratory of Molecular Therapy, Institute of Biotechnology, Czech Academy of Sciences, Prague, Czechia
- *Correspondence: Zuzana Nahacka, ; Jiri Neuzil,
| | - Jaromir Novak
- Laboratory of Molecular Therapy, Institute of Biotechnology, Czech Academy of Sciences, Prague, Czechia
- Faculty of Science, Charles University, Prague, Czechia
| | - Renata Zobalova
- Laboratory of Molecular Therapy, Institute of Biotechnology, Czech Academy of Sciences, Prague, Czechia
| | - Jiri Neuzil
- Laboratory of Molecular Therapy, Institute of Biotechnology, Czech Academy of Sciences, Prague, Czechia
- School of Pharmacy and Medical Science, Griffith University, Southport, QLD, Australia
- *Correspondence: Zuzana Nahacka, ; Jiri Neuzil,
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14
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Shannon N, Gravelle R, Cunniff B. Mitochondrial trafficking and redox/phosphorylation signaling supporting cell migration phenotypes. Front Mol Biosci 2022; 9:925755. [PMID: 35936783 PMCID: PMC9355248 DOI: 10.3389/fmolb.2022.925755] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 07/05/2022] [Indexed: 11/13/2022] Open
Abstract
Regulation of cell signaling cascades is critical in making sure the response is activated spatially and for a desired duration. Cell signaling cascades are spatially and temporally controlled through local protein phosphorylation events which are determined by the activation of specific kinases and/or inactivation of phosphatases to elicit a complete and thorough response. For example, A-kinase-anchoring proteins (AKAPs) contribute to the local regulated activity protein kinase A (PKA). The activity of kinases and phosphatases can also be regulated through redox-dependent cysteine modifications that mediate the activity of these proteins. A primary example of this is the activation of the epidermal growth factor receptor (EGFR) and the inactivation of the phosphatase and tensin homologue (PTEN) phosphatase by reactive oxygen species (ROS). Therefore, the local redox environment must play a critical role in the timing and magnitude of these events. Mitochondria are a primary source of ROS and energy (ATP) that contributes to redox-dependent signaling and ATP-dependent phosphorylation events, respectively. The strategic positioning of mitochondria within cells contributes to intracellular gradients of ROS and ATP, which have been shown to correlate with changes to protein redox and phosphorylation status driving downstream cellular processes. In this review, we will discuss the relationship between subcellular mitochondrial positioning and intracellular ROS and ATP gradients that support dynamic oxidation and phosphorylation signaling and resulting cellular effects, specifically associated with cell migration signaling.
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Affiliation(s)
- Nathaniel Shannon
- Department of Pathology and Laboratory Medicine, Redox Biology Program, University of Vermont Larner College of Medicine, Burlington, VT, United States
| | - Randi Gravelle
- Department of Pathology and Laboratory Medicine, Redox Biology Program, University of Vermont Larner College of Medicine, Burlington, VT, United States
| | - Brian Cunniff
- Department of Pathology and Laboratory Medicine, Redox Biology Program, University of Vermont Larner College of Medicine, Burlington, VT, United States
- University of Vermont Cancer Center, University of Vermont Larner College of Medicine, Burlington, VT, United States
- *Correspondence: Brian Cunniff,
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15
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Rouyère C, Serrano T, Frémont S, Echard A. Oxidation and reduction of actin: Origin, impact in vitro and functional consequences in vivo. Eur J Cell Biol 2022; 101:151249. [PMID: 35716426 DOI: 10.1016/j.ejcb.2022.151249] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 05/13/2022] [Accepted: 06/06/2022] [Indexed: 11/15/2022] Open
Abstract
Actin is among the most abundant proteins in eukaryotic cells and assembles into dynamic filamentous networks regulated by many actin binding proteins. The actin cytoskeleton must be finely tuned, both in space and time, to fulfill key cellular functions such as cell division, cell shape changes, phagocytosis and cell migration. While actin oxidation by reactive oxygen species (ROS) at non-physiological levels are known for long to impact on actin polymerization and on the cellular actin cytoskeleton, growing evidence shows that direct and reversible oxidation/reduction of specific actin amino acids plays an important and physiological role in regulating the actin cytoskeleton. In this review, we describe which actin amino acid residues can be selectively oxidized and reduced in many different ways (e.g. disulfide bond formation, glutathionylation, carbonylation, nitration, nitrosylation and other oxidations), the cellular enzymes at the origin of these post-translational modifications, and the impact of actin redox modifications both in vitro and in vivo. We show that the regulated balance of oxidation and reduction of key actin amino acid residues contributes to the control of actin filament polymerization and disassembly at the subcellular scale and highlight how improper redox modifications of actin can lead to pathological conditions.
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Affiliation(s)
- Clémentine Rouyère
- Institut Pasteur, Université Paris Cité, CNRS UMR3691, Membrane Traffic and Cell Division Unit, 25-28 rue du Dr Roux, F-75015 Paris, France; Sorbonne Université, Collège Doctoral, F-75005 Paris, France
| | - Thomas Serrano
- Institut Pasteur, Université Paris Cité, CNRS UMR3691, Membrane Traffic and Cell Division Unit, 25-28 rue du Dr Roux, F-75015 Paris, France
| | - Stéphane Frémont
- Institut Pasteur, Université Paris Cité, CNRS UMR3691, Membrane Traffic and Cell Division Unit, 25-28 rue du Dr Roux, F-75015 Paris, France
| | - Arnaud Echard
- Institut Pasteur, Université Paris Cité, CNRS UMR3691, Membrane Traffic and Cell Division Unit, 25-28 rue du Dr Roux, F-75015 Paris, France.
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16
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Larbret F, Biber P, Dubois N, Ivanov S, Lafanechere L, Tartare-Deckert S, Deckert M. Deubiquitinase Inhibitors Impair Leukemic Cell Migration Through Cofilin Oxidation and Alteration of Actin Reorganization. Front Pharmacol 2022; 12:778216. [PMID: 35069199 PMCID: PMC8782157 DOI: 10.3389/fphar.2021.778216] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 12/14/2021] [Indexed: 11/29/2022] Open
Abstract
Actin networks are dynamically regulated through constant depolymerization and polymerization cycles. Although the fundamental mechanisms that govern these processes have been identified, the nature and role of post-translational modifications (PTMs) of actin and actin regulatory proteins are not completely understood. Here, we employed Actin CytoFRET, a method that we developed for real time detection of fluorescence resonance energy transfer (FRET) signals generated by actin dynamics, to screen a small library of PTM-interfering compounds on a biosensor leukemic T cell line. This strategy led to the identification of small molecule inhibitors of deubiquitinating enzymes (DUBs) as potent inducers of actin polymerization and blockers of chemotactic cell migration. The examination of the underlying mechanism further revealed that the actin depolymerizing protein cofilin represents a major effector of DUB inhibitor (DUBi)-induced actin reorganization. We found that DUB blockade results in the accumulation of polyubiquitinated proteins and ROS production, associated with cofilin oxidation and dephosphorylation on serine 3, which provokes uncontrolled actin polymerization impairing cell migration. Together, our study highlights DUBs as novel regulators of actin dynamics through ROS-dependent cofilin modulation, and shows that DUBi represent attractive novel tools to impede leukemic cell migration.
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Affiliation(s)
- Frédéric Larbret
- Université Côte d'Azur, INSERM, C3M, Nice, France.,Team MicroCan, Equipe labellisée Ligue Contre le Cancer, Nice, France
| | - Pierric Biber
- Université Côte d'Azur, INSERM, C3M, Nice, France.,Team MicroCan, Equipe labellisée Ligue Contre le Cancer, Nice, France
| | | | | | - Laurence Lafanechere
- Université Grenoble Alpes, INSERM, Institut pour l'Avancée des Biosciences, La Tronche, France
| | - Sophie Tartare-Deckert
- Université Côte d'Azur, INSERM, C3M, Nice, France.,Team MicroCan, Equipe labellisée Ligue Contre le Cancer, Nice, France
| | - Marcel Deckert
- Université Côte d'Azur, INSERM, C3M, Nice, France.,Team MicroCan, Equipe labellisée Ligue Contre le Cancer, Nice, France
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17
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Boulton DP, Caino MC. Mitochondrial Fission and Fusion in Tumor Progression to Metastasis. Front Cell Dev Biol 2022; 10:849962. [PMID: 35356277 PMCID: PMC8959575 DOI: 10.3389/fcell.2022.849962] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 02/24/2022] [Indexed: 12/11/2022] Open
Abstract
Mitochondria are highly dynamic organelles which can change their shape, via processes termed fission and fusion, in order to adapt to different environmental and developmental contexts. Due to the importance of these processes in maintaining a physiologically healthy pool of mitochondria, aberrant cycles of fission/fusion are often seen in pathological contexts. In this review we will discuss how dysregulated fission and fusion promote tumor progression. We focus on the molecular mechanisms involved in fission and fusion, discussing how altered mitochondrial fission and fusion change tumor cell growth, metabolism, motility, and invasion and, finally how changes to these tumor-cell intrinsic phenotypes directly and indirectly impact tumor progression to metastasis. Although this is an emerging field of investigation, the current consensus is that mitochondrial fission positively influences metastatic potential in a broad variety of tumor types. As mitochondria are now being investigated as vulnerable targets in a variety of cancer types, we underscore the importance of their dynamic nature in potentiating tumor progression.
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Affiliation(s)
- Dillon P Boulton
- Department of Pharmacology, University of Colorado School of Medicine, Aurora, CO, United States.,Pharmacology Graduate Program, University of Colorado, Aurora, CO, United States
| | - M Cecilia Caino
- Department of Pharmacology, University of Colorado School of Medicine, Aurora, CO, United States
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18
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Hurst M, McGarry DJ, Olson MF. Rho GTPases: Non-canonical regulation by cysteine oxidation. Bioessays 2021; 44:e2100152. [PMID: 34889471 DOI: 10.1002/bies.202100152] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 11/18/2021] [Accepted: 11/19/2021] [Indexed: 12/20/2022]
Abstract
Rho GTPases are critically important and are centrally positioned regulators of the actomyosin cytoskeleton. By influencing the organization and architecture of the cytoskeleton, Rho proteins play prominent roles in many cellular processes including adhesion, migration, intra-cellular transportation, and proliferation. The most important method of Rho GTPase regulation is via the GTPase cycle; however, post-translational modifications (PTMs) also play critical roles in Rho protein regulation. Relative to other PTMs such as lipidation or phosphorylation that have been extensively characterized, protein oxidation is a regulatory PTM that has been poorly studied. Protein oxidation primarily occurs from the reaction of reactive oxygen species (ROS), such as hydrogen peroxide (H2 O2 ), with amino acid side chain thiols on cysteine (Cys) and methionine (Met) residues. The versatile redox modifications of cysteine residues exemplify their integral role in cell signalling processes. Here we review prominent members of the Rho GTPase family and discuss how lipidation, phosphorylation, and oxidation on conserved cysteine residues affects their regulation and function.
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Affiliation(s)
- Mackenzie Hurst
- Department of Chemistry and Biology, Ryerson University, Toronto, Ontario, Canada
| | - David J McGarry
- Department of Chemistry and Biology, Ryerson University, Toronto, Ontario, Canada
| | - Michael F Olson
- Department of Chemistry and Biology, Ryerson University, Toronto, Ontario, Canada
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19
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McGarry DJ, Armstrong G, Castino G, Mason S, Clark W, Shaw R, McGarry L, Blyth K, Olson MF. MICAL1 regulates actin cytoskeleton organization, directional cell migration and the growth of human breast cancer cells as orthotopic xenograft tumours. Cancer Lett 2021; 519:226-236. [PMID: 34314753 DOI: 10.1016/j.canlet.2021.07.039] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 07/19/2021] [Accepted: 07/22/2021] [Indexed: 02/09/2023]
Abstract
The Molecule Interacting with CasL 1 (MICAL1) monooxygenase has emerged as an important regulator of cytoskeleton organization via actin oxidation. Although filamentous actin (F-actin) increases MICAL1 monooxygenase activity, hydrogen peroxide (H2O2) is also generated in the absence of F-actin, suggesting that diffusible H2O2 might have additional functions. MICAL1 gene disruption by CRISPR/Cas9 in MDA MB 231 human breast cancer cells knocked out (KO) protein expression, which affected F-actin organization, cell size and motility. Transcriptomic profiling revealed that MICAL1 deletion significantly affected the expression of over 700 genes, with the majority being reduced in their expression levels. In addition, the absolute magnitudes of reduced gene expression were significantly greater than the magnitudes of increased gene expression. Gene set enrichment analysis (GSEA) identified receptor regulator activity as the most significant negatively enriched molecular function gene set. The prominent influence exerted by MICAL1 on F-actin structures was also associated with changes in the expression of several serum-response factor (SRF) regulated genes in KO cells. Moreover, MICAL1 disruption attenuated breast cancer tumour growth in vivo. Elevated MICAL1 gene expression was observed in invasive breast cancer samples from human patients relative to normal tissue, while MICAL1 amplification or point mutations were associated with reduced progression free survival. Collectively, these results demonstrate that MICAL1 gene disruption altered cytoskeleton organization, cell morphology and migration, gene expression, and impaired tumour growth in an orthotopic in vivo breast cancer model, suggesting that pharmacological MICAL1 inhibition could have therapeutic benefits for cancer patients.
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Affiliation(s)
- David J McGarry
- Department of Chemistry and Biology, Ryerson University, Toronto, ON, Canada
| | - Garett Armstrong
- Department of Chemistry and Biology, Ryerson University, Toronto, ON, Canada
| | - Giovanni Castino
- Department of Chemistry and Biology, Ryerson University, Toronto, ON, Canada
| | - Susan Mason
- Cancer Research UK Beatson Institute, Glasgow, UK
| | | | - Robin Shaw
- Cancer Research UK Beatson Institute, Glasgow, UK
| | - Lynn McGarry
- Cancer Research UK Beatson Institute, Glasgow, UK
| | - Karen Blyth
- Cancer Research UK Beatson Institute, Glasgow, UK; Institute of Cancer Sciences, University of Glasgow, Glasgow, UK
| | - Michael F Olson
- Department of Chemistry and Biology, Ryerson University, Toronto, ON, Canada; Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON, Canada.
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20
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p53 Forms Redox-Dependent Protein-Protein Interactions through Cysteine 277. Antioxidants (Basel) 2021; 10:antiox10101578. [PMID: 34679713 PMCID: PMC8533633 DOI: 10.3390/antiox10101578] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 09/29/2021] [Accepted: 10/04/2021] [Indexed: 01/31/2023] Open
Abstract
Reversible cysteine oxidation plays an essential role in redox signaling by reversibly altering protein structure and function. Cysteine oxidation may lead to intra- and intermolecular disulfide formation, and the latter can drastically stabilize protein–protein interactions in a more oxidizing milieu. The activity of the tumor suppressor p53 is regulated at multiple levels, including various post-translational modification (PTM) and protein–protein interactions. In the past few decades, p53 has been shown to be a redox-sensitive protein, and undergoes reversible cysteine oxidation both in vitro and in vivo. It is not clear, however, whether p53 also forms intermolecular disulfides with interacting proteins and whether these redox-dependent interactions contribute to the regulation of p53. In the present study, by combining (co-)immunoprecipitation, quantitative mass spectrometry and Western blot we found that p53 forms disulfide-dependent interactions with several proteins under oxidizing conditions. Cysteine 277 is required for most of the disulfide-dependent interactions of p53, including those with 14-3-3θ and 53BP1. These interaction partners may play a role in fine-tuning p53 activity under oxidizing conditions.
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21
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Namme JN, Bepari AK, Takebayashi H. Cofilin Signaling in the CNS Physiology and Neurodegeneration. Int J Mol Sci 2021; 22:ijms221910727. [PMID: 34639067 PMCID: PMC8509315 DOI: 10.3390/ijms221910727] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 09/26/2021] [Accepted: 09/29/2021] [Indexed: 12/18/2022] Open
Abstract
All eukaryotic cells are composed of the cytoskeleton, which plays crucial roles in coordinating diverse cellular functions such as cell division, morphology, migration, macromolecular stabilization, and protein trafficking. The cytoskeleton consists of microtubules, intermediate filaments, and actin filaments. Cofilin, an actin-depolymerizing protein, is indispensable for regulating actin dynamics in the central nervous system (CNS) development and function. Cofilin activities are spatiotemporally orchestrated by numerous extra- and intra-cellular factors. Phosphorylation at Ser-3 by kinases attenuate cofilin’s actin-binding activity. In contrast, dephosphorylation at Ser-3 enhances cofilin-induced actin depolymerization. Cofilin functions are also modulated by various binding partners or reactive oxygen species. Although the mechanism of cofilin-mediated actin dynamics has been known for decades, recent research works are unveiling the profound impacts of cofilin dysregulation in neurodegenerative pathophysiology. For instance, oxidative stress-induced increase in cofilin dephosphorylation is linked to the accumulation of tau tangles and amyloid-beta plaques in Alzheimer’s disease. In Parkinson’s disease, cofilin activation by silencing its upstream kinases increases α-synuclein-fibril entry into the cell. This review describes the molecular mechanism of cofilin-mediated actin dynamics and provides an overview of cofilin’s importance in CNS physiology and pathophysiology.
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Affiliation(s)
- Jannatun Nayem Namme
- Department of Pharmaceutical Sciences, North South University, Dhaka 1229, Bangladesh;
| | - Asim Kumar Bepari
- Department of Pharmaceutical Sciences, North South University, Dhaka 1229, Bangladesh;
- Correspondence: (A.K.B.); (H.T.)
| | - Hirohide Takebayashi
- Division of Neurobiology and Anatomy, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8510, Japan
- Correspondence: (A.K.B.); (H.T.)
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22
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Lapeña-Luzón T, Rodríguez LR, Beltran-Beltran V, Benetó N, Pallardó FV, Gonzalez-Cabo P. Cofilin and Neurodegeneration: New Functions for an Old but Gold Protein. Brain Sci 2021; 11:brainsci11070954. [PMID: 34356188 PMCID: PMC8303701 DOI: 10.3390/brainsci11070954] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/12/2021] [Accepted: 07/16/2021] [Indexed: 12/11/2022] Open
Abstract
Cofilin is an actin-binding protein that plays a major role in the regulation of actin dynamics, an essential cellular process. This protein has emerged as a crucial molecule for functions of the nervous system including motility and guidance of the neuronal growth cone, dendritic spine organization, axonal branching, and synaptic signalling. Recently, other important functions in cell biology such as apoptosis or the control of mitochondrial function have been attributed to cofilin. Moreover, novel mechanisms of cofilin function regulation have also been described. The activity of cofilin is controlled by complex regulatory mechanisms, with phosphorylation being the most important, since the addition of a phosphate group to cofilin renders it inactive. Due to its participation in a wide variety of key processes in the cell, cofilin has been related to a great variety of pathologies, among which neurodegenerative diseases have attracted great interest. In this review, we summarized the functions of cofilin and its regulation, emphasizing how defects in these processes have been related to different neurodegenerative diseases.
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Affiliation(s)
- Tamara Lapeña-Luzón
- Department of Physiology, Faculty of Medicine and Dentistry, University of Valencia, 46010 Valencia, Spain; (T.L.-L.); (L.R.R.); (V.B.-B.); (N.B.); (F.V.P.)
- Biomedical Research Institute INCLIVA, 46010 Valencia, Spain
- CIBER de Enfermedades Raras (CIBERER), 46010 Valencia, Spain
| | - Laura R. Rodríguez
- Department of Physiology, Faculty of Medicine and Dentistry, University of Valencia, 46010 Valencia, Spain; (T.L.-L.); (L.R.R.); (V.B.-B.); (N.B.); (F.V.P.)
- Biomedical Research Institute INCLIVA, 46010 Valencia, Spain
- CIBER de Enfermedades Raras (CIBERER), 46010 Valencia, Spain
| | - Vicent Beltran-Beltran
- Department of Physiology, Faculty of Medicine and Dentistry, University of Valencia, 46010 Valencia, Spain; (T.L.-L.); (L.R.R.); (V.B.-B.); (N.B.); (F.V.P.)
| | - Noelia Benetó
- Department of Physiology, Faculty of Medicine and Dentistry, University of Valencia, 46010 Valencia, Spain; (T.L.-L.); (L.R.R.); (V.B.-B.); (N.B.); (F.V.P.)
- Biomedical Research Institute INCLIVA, 46010 Valencia, Spain
- CIBER de Enfermedades Raras (CIBERER), 46010 Valencia, Spain
| | - Federico V. Pallardó
- Department of Physiology, Faculty of Medicine and Dentistry, University of Valencia, 46010 Valencia, Spain; (T.L.-L.); (L.R.R.); (V.B.-B.); (N.B.); (F.V.P.)
- Biomedical Research Institute INCLIVA, 46010 Valencia, Spain
- CIBER de Enfermedades Raras (CIBERER), 46010 Valencia, Spain
| | - Pilar Gonzalez-Cabo
- Department of Physiology, Faculty of Medicine and Dentistry, University of Valencia, 46010 Valencia, Spain; (T.L.-L.); (L.R.R.); (V.B.-B.); (N.B.); (F.V.P.)
- Biomedical Research Institute INCLIVA, 46010 Valencia, Spain
- CIBER de Enfermedades Raras (CIBERER), 46010 Valencia, Spain
- Correspondence:
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23
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Hebbar S, Knust E. Reactive oxygen species (ROS) constitute an additional player in regulating epithelial development. Bioessays 2021; 43:e2100096. [PMID: 34260754 DOI: 10.1002/bies.202100096] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 06/09/2021] [Accepted: 06/09/2021] [Indexed: 12/18/2022]
Abstract
Reactive oxygen species (ROS) are highly reactive molecules produced in cells. So far, they have mostly been connected to diseases and pathological conditions. More recent results revealed a somewhat unexpected role of ROS in control of developmental processes. In this review, we elaborate on ROS in development, focussing on their connection to epithelial tissue morphogenesis. After briefly summarising unique characteristics of epithelial cells, we present some characteristic features of ROS species, their production and targets, with a focus on proteins important for epithelial development and function. Finally, we provide examples of regulation of epithelial morphogenesis by ROS, and also of developmental genes that regulate the overall redox status. We conclude by discussing future avenues of research that will further elucidate ROS regulation in epithelial development.
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Affiliation(s)
- Sarita Hebbar
- Max-Planck-Institute of Molecular Cell Biology and Genetics, Dresden, Germany
| | - Elisabeth Knust
- Max-Planck-Institute of Molecular Cell Biology and Genetics, Dresden, Germany
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24
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The intrinsic amyloidogenic propensity of cofilin-1 is aggravated by Cys-80 oxidation: A possible link with neurodegenerative diseases. Biochem Biophys Res Commun 2021; 569:187-192. [PMID: 34256187 DOI: 10.1016/j.bbrc.2021.07.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 07/05/2021] [Indexed: 11/23/2022]
Abstract
Cofilin-1, an actin dynamizing protein, forms actin-cofilin rods, which is one of the major events that exacerbates the pathophysiology of amyloidogenic diseases. Cysteine oxidation in cofilin-1 under oxidative stress plays a crucial role in the formation of these rods. Others and we have reported that cofilin-1 possesses a self-oligomerization property in vitro and in vivo under physiological conditions. However, it remains elusive if cofilin-1 itself forms amyloid-like structures. We, therefore, hypothesized that cofilin-1 might form amyloid-like assemblies, with a potential to intensify the pathophysiology of amyloid-linked diseases. We used various in silico and in vitro techniques and examined the amyloid-forming propensity of cofilin-1. The study confirms that cofilin-1 possesses an intrinsic tendency of aggregation and forms amyloid-like structures in vitro. Further, we studied the effect of cysteine oxidation on the stability and structural features of cofilin-1. Our data show that oxidation at Cys-80 renders cofilin-1 unstable, leading to a partial loss of protein structure. The results substantiate our hypothesis and establish a strong possibility that cofilin-1 aggregation might play a role in cofilin-mediated pathology and the progression of several amyloid-linked diseases.
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25
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Julian L, Naylor G, Wickman GR, Rath N, Castino G, Stevenson D, Bryson S, Munro J, McGarry L, Mullin M, Rice A, Del Río Hernández A, Olson MF. Defective apoptotic cell contractility provokes sterile inflammation, leading to liver damage and tumour suppression. eLife 2021; 10:e61983. [PMID: 33871359 PMCID: PMC8087448 DOI: 10.7554/elife.61983] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 04/17/2021] [Indexed: 01/20/2023] Open
Abstract
Apoptosis is characterized by profound morphological changes, but their physiological purpose is unknown. To characterize the role of apoptotic cell contraction, ROCK1 was rendered caspase non-cleavable (ROCK1nc) by mutating aspartate 1113, which revealed that ROCK1 cleavage was necessary for forceful contraction and membrane blebbing. When homozygous ROCK1nc mice were treated with the liver-selective apoptotic stimulus of diethylnitrosamine, ROCK1nc mice had more profound liver damage with greater neutrophil infiltration than wild-type mice. Inhibition of the damage-associated molecular pattern protein HMGB1 or signalling by its cognate receptor TLR4 lowered neutrophil infiltration and reduced liver damage. ROCK1nc mice also developed fewer diethylnitrosamine-induced hepatocellular carcinoma (HCC) tumours, while HMGB1 inhibition increased HCC tumour numbers. Thus, ROCK1 activation and consequent cell contraction are required to limit sterile inflammation and damage amplification following tissue-scale cell death. Additionally, these findings reveal a previously unappreciated role for acute sterile inflammation as an efficient tumour-suppressive mechanism.
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Affiliation(s)
- Linda Julian
- Cancer Research United Kingdom Beatson Institute, Garscube EstateGlasgowUnited Kingdom
- Institute of Cancer Sciences, University of GlasgowGlasgowUnited Kingdom
| | - Gregory Naylor
- Cancer Research United Kingdom Beatson Institute, Garscube EstateGlasgowUnited Kingdom
- Institute of Cancer Sciences, University of GlasgowGlasgowUnited Kingdom
| | - Grant R Wickman
- Cancer Research United Kingdom Beatson Institute, Garscube EstateGlasgowUnited Kingdom
- Institute of Cancer Sciences, University of GlasgowGlasgowUnited Kingdom
| | - Nicola Rath
- Cancer Research United Kingdom Beatson Institute, Garscube EstateGlasgowUnited Kingdom
| | - Giovanni Castino
- Department of Chemistry and Biology, Ryerson UniversityTorontoCanada
| | - David Stevenson
- Cancer Research United Kingdom Beatson Institute, Garscube EstateGlasgowUnited Kingdom
| | - Sheila Bryson
- Cancer Research United Kingdom Beatson Institute, Garscube EstateGlasgowUnited Kingdom
| | - June Munro
- Cancer Research United Kingdom Beatson Institute, Garscube EstateGlasgowUnited Kingdom
| | - Lynn McGarry
- Cancer Research United Kingdom Beatson Institute, Garscube EstateGlasgowUnited Kingdom
| | - Margaret Mullin
- Electron Microscopy Facility, School of Life Sciences, University of GlasgowGlasgowUnited Kingdom
| | - Alistair Rice
- Cellular and Molecular Biomechanics Laboratory, Department of Bioengineering, Imperial College LondonLondonUnited Kingdom
| | - Armandodel Del Río Hernández
- Cellular and Molecular Biomechanics Laboratory, Department of Bioengineering, Imperial College LondonLondonUnited Kingdom
| | - Michael F Olson
- Department of Chemistry and Biology, Ryerson UniversityTorontoCanada
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26
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Spennati G, Horowitz LF, McGarry DJ, Rudzka DA, Armstrong G, Olson MF, Folch A, Yin H. Organotypic platform for studying cancer cell metastasis. Exp Cell Res 2021; 401:112527. [PMID: 33675807 PMCID: PMC8806469 DOI: 10.1016/j.yexcr.2021.112527] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 02/14/2021] [Accepted: 02/16/2021] [Indexed: 12/18/2022]
Abstract
Metastasis is the leading cause of mortality in cancer patients. To migrate to distant sites, cancer cells would need to adapt their behaviour in response to different tissue environments. Thus, it is essential to study this process in models that can closely replicate the tumour microenvironment. Here, we evaluate the use of organotypic liver and brain slices to study cancer metastasis. Morphological and viability parameters of the slices were monitored daily over 3 days in culture to assess their stability as a realistic 3D tissue platform for in vitro metastatic assays. Using these slices, we evaluated the invasion of MDA-MB-231 breast cancer cells and of a subpopulation that was selected for increased motility. We show that the more aggressive invasion of the selected cells likely resulted not only from their lower stiffness, but also from their lower adhesion to the surrounding tissue. Different invasion patterns in the brain and liver slices were observed for both subpopulations. Cells migrated faster in the brain slices (with an amoeboid-like mode) compared to in the liver slices (where they migrated with mesenchymal or collective migration-like modes). Inhibition of the Ras/MAPK/ERK pathway increased cell stiffness and adhesion forces, which resulted in reduced invasiveness. These results illustrate the potential for organotypic tissue slices to more closely mimic in vivo conditions during cancer cell metastasis than most in vitro models.
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Affiliation(s)
- Giulia Spennati
- School of Engineering, University of Glasgow, Glasgow, UK; Department of Bioengineering, University of Washington, Seattle, WA, USA
| | - Lisa F Horowitz
- Department of Bioengineering, University of Washington, Seattle, WA, USA.
| | - David J McGarry
- Department of Chemistry and Biology, Ryerson University, Toronto, Ontario, Canada
| | | | - Garett Armstrong
- Department of Chemistry and Biology, Ryerson University, Toronto, Ontario, Canada
| | - Michael F Olson
- Department of Chemistry and Biology, Ryerson University, Toronto, Ontario, Canada
| | - Albert Folch
- Department of Bioengineering, University of Washington, Seattle, WA, USA
| | - Huabing Yin
- School of Engineering, University of Glasgow, Glasgow, UK.
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27
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Terzi A, Roeder H, Weaver CJ, Suter DM. Neuronal NADPH oxidase 2 regulates growth cone guidance downstream of slit2/robo2. Dev Neurobiol 2020; 81:3-21. [PMID: 33191581 DOI: 10.1002/dneu.22791] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 10/10/2020] [Accepted: 11/09/2020] [Indexed: 02/06/2023]
Abstract
NADPH oxidases (Nox) are membrane-bound multi-subunit protein complexes producing reactive oxygen species (ROS) that regulate many cellular processes. Emerging evidence suggests that Nox-derived ROS also control neuronal development and axonal outgrowth. However, whether Nox act downstream of receptors for axonal growth and guidance cues is presently unknown. To answer this question, we cultured retinal ganglion cells (RGCs) derived from zebrafish embryos and exposed these neurons to netrin-1, slit2, and brain-derived neurotrophic factor (BDNF). To test the role of Nox in cue-mediated growth and guidance, we either pharmacologically inhibited Nox or investigated neurons from mutant fish that are deficient in Nox2. We found that slit2-mediated growth cone collapse, and axonal retraction were eliminated by Nox inhibition. Though we did not see an effect of either BDNF or netrin-1 on growth rates, growth in the presence of netrin-1 was reduced by Nox inhibition. Furthermore, attractive and repulsive growth cone turning in response to gradients of BDNF, netrin-1, and slit2, respectively, were eliminated when Nox was inhibited in vitro. ROS biosensor imaging showed that slit2 treatment increased growth cone hydrogen peroxide levels via mechanisms involving Nox2 activation. We also investigated the possible relationship between Nox2 and slit2/Robo2 signaling in vivo. astray/nox2 double heterozygote larvae exhibited decreased area of tectal innervation as compared to individual heterozygotes, suggesting both Nox2 and Robo2 are required for establishment of retinotectal connections. Our results provide evidence that Nox2 acts downstream of slit2/Robo2 by mediating growth and guidance of developing zebrafish RGC neurons.
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Affiliation(s)
- Aslihan Terzi
- Department of Biological Sciences, Purdue University, West Lafayette, IN, USA.,Purdue Institute for Integrative Neuroscience, Purdue University, West Lafayette, IN, USA
| | - Haley Roeder
- Department of Biological Sciences, Purdue University, West Lafayette, IN, USA.,Purdue Institute for Integrative Neuroscience, Purdue University, West Lafayette, IN, USA
| | - Cory J Weaver
- Department of Biological Sciences, Purdue University, West Lafayette, IN, USA.,Purdue Institute for Integrative Neuroscience, Purdue University, West Lafayette, IN, USA
| | - Daniel M Suter
- Department of Biological Sciences, Purdue University, West Lafayette, IN, USA.,Purdue Institute for Integrative Neuroscience, Purdue University, West Lafayette, IN, USA.,Bindley Bioscience Center, Purdue University, West Lafayette, IN, USA.,Birck Nanotechnology Center, Purdue University, West Lafayette, IN, USA
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28
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Stimulating Embryo Polarization with Mitochondrial Peroxide. Dev Cell 2020; 53:261-262. [PMID: 32369741 DOI: 10.1016/j.devcel.2020.04.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Centrosomes break symmetry in the C. elegans one-cell embryo, triggering its anterior-posterior polarization and initiating segregation of somatic and germline cell lineages. In this issue of Developmental Cell, De Henau et al. show that mitochondria also contribute to symmetry breaking by producing hydrogen peroxide at the egg's future posterior pole.
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29
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Alshaabi H, Shannon N, Gravelle R, Milczarek S, Messier T, Cunniff B. Miro1-mediated mitochondrial positioning supports subcellular redox status. Redox Biol 2020; 38:101818. [PMID: 33341544 PMCID: PMC7753203 DOI: 10.1016/j.redox.2020.101818] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 11/06/2020] [Accepted: 11/23/2020] [Indexed: 01/09/2023] Open
Abstract
Mitochondria are strategically trafficked throughout the cell by the action of microtubule motors, the actin cytoskeleton and adapter proteins. The intracellular positioning of mitochondria supports subcellular levels of ATP, Ca2+ and reactive oxygen species (ROS, i.e. hydrogen peroxide, H2O2). Previous work from our group showed that deletion of the mitochondrial adapter protein Miro1 leads to perinuclear clustering of mitochondria, leaving the cell periphery devoid of mitochondria which compromises peripheral energy status. Herein, we report that deletion of Miro1 significantly restricts subcellular H2O2 levels to the perinuclear space which directly affects intracellular responses to elevated mitochondrial ROS. Using the genetically encoded H2O2-responsive fluorescent biosensor HyPer7, we show that the highest levels of subcellular H2O2 map to sites of increased mitochondrial density. Deletion of Miro1 or disruption of microtubule dynamics with Taxol significantly reduces peripheral H2O2 levels. Following inhibition of mitochondrial complex 1 with rotenone we observe elevated spikes of H2O2 in the cell periphery and complementary oxidation of mitochondrial peroxiredoxin 3 (PRX3) and cytosolic peroxiredoxin 2 (PRX2). Conversely, in cells lacking Miro1, rotenone did not increase peripheral H2O2 or PRX2 oxidation but rather lead to increased nuclear H2O2 and an elevated DNA-damage response. Lastly, local levels of HyPer7 oxidation correlate with the size and abundance of focal adhesions (FAs) in MEFs and cells lacking Miro1 have significantly smaller focal adhesions and reduced phosphorylation levels of vinculin and p130Cas compared to Miro1+/+ MEFs. Together, we present evidence that the intracellular distribution of mitochondria influences subcellular H2O2 levels and local cellular responses dependent on mitochondrial ROS.
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Affiliation(s)
- Haya Alshaabi
- Department of Pathology and Laboratory Medicine, University of Vermont Cancer Center, Larner College of Medicine, Burlington, VT 05405, USA
| | - Nathaniel Shannon
- Department of Pathology and Laboratory Medicine, University of Vermont Cancer Center, Larner College of Medicine, Burlington, VT 05405, USA
| | - Randi Gravelle
- Department of Pathology and Laboratory Medicine, University of Vermont Cancer Center, Larner College of Medicine, Burlington, VT 05405, USA
| | - Stephanie Milczarek
- Department of Pathology and Laboratory Medicine, University of Vermont Cancer Center, Larner College of Medicine, Burlington, VT 05405, USA
| | - Terri Messier
- Department of Pathology and Laboratory Medicine, University of Vermont Cancer Center, Larner College of Medicine, Burlington, VT 05405, USA
| | - Brian Cunniff
- Department of Pathology and Laboratory Medicine, University of Vermont Cancer Center, Larner College of Medicine, Burlington, VT 05405, USA.
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30
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Bisphenol A impaired cell adhesion by altering the expression of adhesion and cytoskeleton proteins on human podocytes. Sci Rep 2020; 10:16638. [PMID: 33024228 PMCID: PMC7538920 DOI: 10.1038/s41598-020-73636-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 09/11/2020] [Indexed: 12/12/2022] Open
Abstract
Bisphenol A (BPA), a chemical -xenoestrogen- used in food containers is present in the urine of almost the entire population. Recently, several extensive population studies have proven a significant association between urinary excretion of BPA and albuminuria. The alteration of glomerular podocytes or "podocytopathy" is a common event in chronic albuminuric conditions. Since many podocytes recovered from patients' urine are viable, we hypothesized that BPA could impair podocyte adhesion capabilities. Using an in vitro adhesion assay, we observed that BPA impaired podocyte adhesion, an effect that was abrogated by Tamoxifen (an estrogen receptor blocker). Genomic and proteomic analyses revealed that BPA affected the expression of several podocyte cytoskeleton and adhesion proteins. Western blot and immunocytochemistry confirmed the alteration in the protein expression of tubulin, vimentin, podocin, cofilin-1, vinculin, E-cadherin, nephrin, VCAM-1, tenascin-C, and β-catenin. Moreover, we also found that BPA, while decreased podocyte nitric oxide production, it lead to overproduction of ion superoxide. In conclusion, our data show that BPA induced a novel type of podocytopathy characterizes by an impairment of podocyte adhesion, by altering the expression of adhesion and cytoskeleton proteins. Moreover, BPA diminished production of podocyte nitric oxide and induced the overproduction of oxygen-free metabolites. These data provide a mechanism by which BPA could participate in the pathogenesis and progression of renal diseases.
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31
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Ambler R, Edmunds GL, Tan SL, Cirillo S, Pernes JI, Ruan X, Huete-Carrasco J, Wong CCW, Lu J, Ward J, Toti G, Hedges AJ, Dovedi SJ, Murphy RF, Morgan DJ, Wülfing C. PD-1 suppresses the maintenance of cell couples between cytotoxic T cells and target tumor cells within the tumor. Sci Signal 2020; 13:13/649/eaau4518. [PMID: 32934075 DOI: 10.1126/scisignal.aau4518] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The killing of tumor cells by CD8+ T cells is suppressed by the tumor microenvironment, and increased expression of inhibitory receptors, including programmed cell death protein-1 (PD-1), is associated with tumor-mediated suppression of T cells. To find cellular defects triggered by tumor exposure and associated PD-1 signaling, we established an ex vivo imaging approach to investigate the response of antigen-specific, activated effector CD8+ tumor-infiltrating lymphocytes (TILs) after interaction with target tumor cells. Although TIL-tumor cell couples readily formed, couple stability deteriorated within minutes. This was associated with impaired F-actin clearing from the center of the cellular interface, reduced Ca2+ signaling, increased TIL locomotion, and impaired tumor cell killing. The interaction of CD8+ T lymphocytes with tumor cell spheroids in vitro induced a similar phenotype, supporting a critical role of direct T cell-tumor cell contact. Diminished engagement of PD-1 within the tumor, but not acute ex vivo blockade, partially restored cell couple maintenance and killing. PD-1 thus contributes to the suppression of TIL function by inducing a state of impaired subcellular organization.
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Affiliation(s)
- Rachel Ambler
- School of Cellular and Molecular Medicine, University of Bristol, Bristol BS8 1TD, UK
| | - Grace L Edmunds
- School of Cellular and Molecular Medicine, University of Bristol, Bristol BS8 1TD, UK
| | - Sin Lih Tan
- School of Cellular and Molecular Medicine, University of Bristol, Bristol BS8 1TD, UK
| | - Silvia Cirillo
- School of Cellular and Molecular Medicine, University of Bristol, Bristol BS8 1TD, UK
| | - Jane I Pernes
- School of Cellular and Molecular Medicine, University of Bristol, Bristol BS8 1TD, UK
| | - Xiongtao Ruan
- Computational Biology Department, School of Computer Science, Carnegie Mellon University, Pittsburgh, PA 15213, USA
| | - Jorge Huete-Carrasco
- School of Cellular and Molecular Medicine, University of Bristol, Bristol BS8 1TD, UK
| | - Carissa C W Wong
- School of Cellular and Molecular Medicine, University of Bristol, Bristol BS8 1TD, UK
| | - Jiahe Lu
- School of Cellular and Molecular Medicine, University of Bristol, Bristol BS8 1TD, UK
| | - Juma Ward
- School of Cellular and Molecular Medicine, University of Bristol, Bristol BS8 1TD, UK
| | - Giulia Toti
- School of Cellular and Molecular Medicine, University of Bristol, Bristol BS8 1TD, UK
| | - Alan J Hedges
- School of Cellular and Molecular Medicine, University of Bristol, Bristol BS8 1TD, UK
| | - Simon J Dovedi
- R&D Oncology, AstraZeneca, Granta Park, Cambridge CB21 6GH, UK
| | - Robert F Murphy
- Computational Biology Department, School of Computer Science, Carnegie Mellon University, Pittsburgh, PA 15213, USA.,Departments of Biological Sciences, Biomedical Engineering and Machine Learning, Carnegie Mellon University, Pittsburgh, PA 15213, USA.,Freiburg Institute for Advanced Studies and Faculty of Biology, Albert Ludwig University of Freiburg, 79104 Freiburg, Germany
| | - David J Morgan
- School of Cellular and Molecular Medicine, University of Bristol, Bristol BS8 1TD, UK.
| | - Christoph Wülfing
- School of Cellular and Molecular Medicine, University of Bristol, Bristol BS8 1TD, UK.
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32
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Terzi A, Suter DM. The role of NADPH oxidases in neuronal development. Free Radic Biol Med 2020; 154:33-47. [PMID: 32370993 DOI: 10.1016/j.freeradbiomed.2020.04.027] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 04/20/2020] [Accepted: 04/27/2020] [Indexed: 12/15/2022]
Abstract
Reactive oxygen species (ROS) are critical for maintaining cellular homeostasis and function when produced in physiological ranges. Important sources of cellular ROS include NADPH oxidases (Nox), which are evolutionary conserved multi-subunit transmembrane proteins. Nox-mediated ROS regulate variety of biological processes including hormone synthesis, calcium signaling, cell migration, and immunity. ROS participate in intracellular signaling by introducing post-translational modifications to proteins and thereby altering their functions. The central nervous system (CNS) expresses different Nox isoforms during both development and adulthood. Here, we review the role of Nox-mediated ROS during CNS development. Specifically, we focus on how individual Nox isoforms contribute to signaling in neural stem cell maintenance and neuronal differentiation, as well as neurite outgrowth and guidance. We also discuss how ROS regulates the organization and dynamics of the actin cytoskeleton in the neuronal growth cone. Finally, we review recent evidence that Nox-derived ROS modulate axonal regeneration upon nervous system injury.
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Affiliation(s)
- Aslihan Terzi
- Department of Biological Sciences, Purdue University, West Lafayette, IN, 47907, USA; Purdue Institute for Integrative Neuroscience, Purdue University, West Lafayette, IN, 47907, USA
| | - Daniel M Suter
- Department of Biological Sciences, Purdue University, West Lafayette, IN, 47907, USA; Purdue Institute for Integrative Neuroscience, Purdue University, West Lafayette, IN, 47907, USA; Bindley Bioscience Center, Purdue University, West Lafayette, IN, 47907, USA.
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33
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Salem FB, Bunner WP, Prabhu VV, Kuyateh AB, O'Bryant CT, Murashov AK, Szatmari EM, Hughes RM. CofActor: A light- and stress-gated optogenetic clustering tool to study disease-associated cytoskeletal dynamics in living cells. J Biol Chem 2020; 295:11231-11245. [PMID: 32424038 DOI: 10.1074/jbc.ra119.012427] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Revised: 05/12/2020] [Indexed: 11/06/2022] Open
Abstract
The hallmarks of neurodegenerative diseases, including neural fibrils, reactive oxygen species, and cofilin-actin rods, present numerous challenges in the development of in vivo diagnostic tools. Biomarkers such as β-amyloid (Aβ) fibrils and Tau tangles in Alzheimer's disease are accessible only via invasive cerebrospinal fluid assays, and reactive oxygen species can be fleeting and challenging to monitor in vivo Although remaining a challenge for in vivo detection, the protein-protein interactions underlying these disease-specific biomarkers present opportunities for the engineering of in vitro pathology-sensitive biosensors. These tools can be useful for investigating early stage events in neurodegenerative diseases in both cellular and animal models and may lead to clinically useful reagents. Here, we report a light- and cellular stress-gated protein switch based on cofilin-actin rod formation, occurring in stressed neurons in the Alzheimer's disease brain and following ischemia. By coupling the stress-sensitive cofilin-actin interaction with the light-responsive Cry2-CIB blue-light switch, referred to hereafter as the CofActor, we accomplished both light- and energetic/oxidative stress-gated control of this interaction. Site-directed mutagenesis of both cofilin and actin revealed residues critical for sustaining or abrogating the light- and stress-gated response. Of note, the switch response varied depending on whether cellular stress was generated via glycolytic inhibition or by both glycolytic inhibition and azide-induced ATP depletion. We also demonstrate light- and cellular stress-gated switch function in cultured hippocampal neurons. CofActor holds promise for the tracking of early stage events in neurodegeneration and for investigating actin's interactions with other proteins during cellular stress.
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Affiliation(s)
- Fatema B Salem
- Department of Chemistry, East Carolina University, Greenville, North Carolina, USA
| | - Wyatt P Bunner
- Department of Physical Therapy, East Carolina University, Greenville, North Carolina, USA
| | - Vishwanath V Prabhu
- Department of Physical Therapy, East Carolina University, Greenville, North Carolina, USA
| | - Abu-Bakarr Kuyateh
- Department of Chemistry, East Carolina University, Greenville, North Carolina, USA
| | - Collin T O'Bryant
- Department of Chemistry, East Carolina University, Greenville, North Carolina, USA
| | - Alexander K Murashov
- Department of Physiology, East Carolina University, Greenville, North Carolina, USA
| | - Erzsebet M Szatmari
- Department of Physical Therapy, East Carolina University, Greenville, North Carolina, USA
| | - Robert M Hughes
- Department of Chemistry, East Carolina University, Greenville, North Carolina, USA
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Touyz RM, Rios FJ, Alves-Lopes R, Neves KB, Camargo LL, Montezano AC. Oxidative Stress: A Unifying Paradigm in Hypertension. Can J Cardiol 2020; 36:659-670. [PMID: 32389339 PMCID: PMC7225748 DOI: 10.1016/j.cjca.2020.02.081] [Citation(s) in RCA: 128] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 02/19/2020] [Accepted: 02/19/2020] [Indexed: 02/07/2023] Open
Abstract
The etiology of hypertension involves complex interactions among genetic, environmental, and pathophysiologic factors that influence many regulatory systems. Hypertension is characteristically associated with vascular dysfunction, cardiovascular remodelling, renal dysfunction, and stimulation of the sympathetic nervous system. Emerging evidence indicates that the immune system is also important and that activated immune cells migrate and accumulate in tissues promoting inflammation, fibrosis, and target-organ damage. Common to these processes is oxidative stress, defined as an imbalance between oxidants and antioxidants in favour of the oxidants that leads to a disruption of oxidation-reduction (redox) signalling and control and molecular damage. Physiologically, reactive oxygen species (ROS) act as signalling molecules and influence cell function through highly regulated redox-sensitive signal transduction. In hypertension, oxidative stress promotes posttranslational modification (oxidation and phosphorylation) of proteins and aberrant signalling with consequent cell and tissue damage. Many enzymatic systems generate ROS, but NADPH oxidases (Nox) are the major sources in cells of the heart, vessels, kidneys, and immune system. Expression and activity of Nox are increased in hypertension and are the major systems responsible for oxidative stress in cardiovascular disease. Here we provide a unifying concept where oxidative stress is a common mediator underlying pathophysiologic processes in hypertension. We focus on some novel concepts whereby ROS influence vascular function, aldosterone/mineralocorticoid actions, and immunoinflammation, all important processes contributing to the development of hypertension.
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Affiliation(s)
- Rhian M Touyz
- Institute of Cardiovascular and Medical Sciences, British Heart Foundation Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, Scotland, United Kingdom.
| | - Francisco J Rios
- Institute of Cardiovascular and Medical Sciences, British Heart Foundation Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, Scotland, United Kingdom
| | - Rhéure Alves-Lopes
- Institute of Cardiovascular and Medical Sciences, British Heart Foundation Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, Scotland, United Kingdom
| | - Karla B Neves
- Institute of Cardiovascular and Medical Sciences, British Heart Foundation Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, Scotland, United Kingdom
| | - Livia L Camargo
- Institute of Cardiovascular and Medical Sciences, British Heart Foundation Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, Scotland, United Kingdom
| | - Augusto C Montezano
- Institute of Cardiovascular and Medical Sciences, British Heart Foundation Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, Scotland, United Kingdom
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De Henau S, Pagès-Gallego M, Pannekoek WJ, Dansen TB. Mitochondria-Derived H 2O 2 Promotes Symmetry Breaking of the C. elegans Zygote. Dev Cell 2020; 53:263-271.e6. [PMID: 32275886 DOI: 10.1016/j.devcel.2020.03.008] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 02/04/2020] [Accepted: 03/11/2020] [Indexed: 12/21/2022]
Abstract
Symmetry breaking is an essential step in cell differentiation and early embryonic development. However, the molecular cues that trigger symmetry breaking remain largely unknown. Here, we show that mitochondrial H2O2 acts as a symmetry-breaking cue in the C. elegans zygote. We find that symmetry breaking is marked by a local H2O2 increase and coincides with a relocation of mitochondria to the cell cortex. Lowering endogenous H2O2 levels delays the onset of symmetry breaking, while artificially targeting mitochondria to the cellular cortex using a light-induced heterodimerization technique is sufficient to initiate symmetry breaking in a H2O2-dependent manner. In wild-type development, both sperm and maternal mitochondria contribute to symmetry breaking. Our findings reveal that mitochondrial H2O2-signaling promotes the onset of polarization, a fundamental process in development and cell differentiation, and this is achieved by both mitochondrial redistribution and differential H2O2-production.
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Affiliation(s)
- Sasha De Henau
- Center for Molecular Medicine, Molecular Cancer Research, University Medical Center Utrecht, Heidelberglaan 100, 3584 CG Utrecht, the Netherlands
| | - Marc Pagès-Gallego
- Center for Molecular Medicine, Molecular Cancer Research, University Medical Center Utrecht, Heidelberglaan 100, 3584 CG Utrecht, the Netherlands
| | - Willem-Jan Pannekoek
- Center for Molecular Medicine, Molecular Cancer Research, University Medical Center Utrecht, Heidelberglaan 100, 3584 CG Utrecht, the Netherlands
| | - Tobias B Dansen
- Center for Molecular Medicine, Molecular Cancer Research, University Medical Center Utrecht, Heidelberglaan 100, 3584 CG Utrecht, the Netherlands.
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Majumdar A, Kar RK. Chloroplast avoidance movement: a novel paradigm of ROS signalling. PHOTOSYNTHESIS RESEARCH 2020; 144:109-121. [PMID: 32222888 DOI: 10.1007/s11120-020-00736-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 03/16/2020] [Indexed: 06/10/2023]
Abstract
The damaging effects of supra-optimal irradiance on plants, often turning to be lethal, may be circumvented by chloroplast avoidance movement which realigns chloroplasts to the anticlinal surfaces of cells (parallel to the incident light), essentially minimizing photon absorption. In angiosperms and many other groups of plants, chloroplast avoidance movement has been identified to be a strong blue light (BL)-dependent process being mediated by actin filaments wherein phototropins are identified as the photoreceptor involved. Studies through the last few decades have identified key molecular mechanisms involving Chloroplast Unusual Positioning 1 (CHUP1) protein and specific chloroplast-actin (cp-actin) filaments. However, the signal transduction pathway from strong BL absorption down to directional re-localization of chloroplasts by actin filaments is complex and ambiguous. Being the immediate cellular products of high irradiance absorption and having properties of remodelling actin as well as phototropin, reactive oxygen species (ROS) deemed to be more able and prompt than any other signalling agent in mediating chloroplast avoidance movement. Although ROS are presently being identified as fundamental component for regulating different plant processes ranging from growth, development and immunity, its role in avoidance movement have hardly been explored in depth. However, few recent reports have demonstrated the direct stimulatory involvement of ROS, especially H2O2, in chloroplast avoidance movement with Ca2+ playing a pivotal role. With this perspective, the present review discusses the mechanisms of ROS-mediated chloroplast avoidance movement involving ROS-Ca2+-actin communication system and NADPH oxidase (NOX)-plasma membrane (PM) H+-ATPase positive feed-forward loop. A possible working model is proposed.
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Affiliation(s)
- Arkajo Majumdar
- Plant Physiology and Biochemistry Laboratory, Department of Botany, Visva-Bharati University, Santiniketan, West Bengal, 731235, India
- Department of Botany, City College, 102/1 Raja Rammohan Sarani, Kolkata, West Bengal, 700009, India
| | - Rup Kumar Kar
- Plant Physiology and Biochemistry Laboratory, Department of Botany, Visva-Bharati University, Santiniketan, West Bengal, 731235, India.
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Pak VV, Ezeriņa D, Lyublinskaya OG, Pedre B, Tyurin-Kuzmin PA, Mishina NM, Thauvin M, Young D, Wahni K, Martínez Gache SA, Demidovich AD, Ermakova YG, Maslova YD, Shokhina AG, Eroglu E, Bilan DS, Bogeski I, Michel T, Vriz S, Messens J, Belousov VV. Ultrasensitive Genetically Encoded Indicator for Hydrogen Peroxide Identifies Roles for the Oxidant in Cell Migration and Mitochondrial Function. Cell Metab 2020; 31:642-653.e6. [PMID: 32130885 PMCID: PMC7088435 DOI: 10.1016/j.cmet.2020.02.003] [Citation(s) in RCA: 187] [Impact Index Per Article: 46.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 11/18/2019] [Accepted: 02/07/2020] [Indexed: 11/19/2022]
Abstract
Hydrogen peroxide (H2O2) is a key redox intermediate generated within cells. Existing probes for H2O2 have not solved the problem of detection of the ultra-low concentrations of the oxidant: these reporters are not sensitive enough, or pH-dependent, or insufficiently bright, or not functional in mammalian cells, or have poor dynamic range. Here we present HyPer7, the first bright, pH-stable, ultrafast, and ultrasensitive ratiometric H2O2 probe. HyPer7 is fully functional in mammalian cells and in other higher eukaryotes. The probe consists of a circularly permuted GFP integrated into the ultrasensitive OxyR domain from Neisseria meningitidis. Using HyPer7, we were able to uncover the details of H2O2 diffusion from the mitochondrial matrix, to find a functional output of H2O2 gradients in polarized cells, and to prove the existence of H2O2 gradients in wounded tissue in vivo. Overall, HyPer7 is a probe of choice for real-time H2O2 imaging in various biological contexts.
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Affiliation(s)
- Valeriy V Pak
- Department of Metabolism and Redox Biology, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Moscow 117997, Russia; Institute for Cardiovascular Physiology, Georg August University Göttingen, Göttingen 37073, Germany
| | - Daria Ezeriņa
- VIB-VUB Center for Structural Biology, Vlaams Instituut voor Biotechnologie - Vrije Universiteit Brussel, B-1050 Brussels, Belgium; Brussels Center for Redox Biology, Vrije Universiteit Brussel, B-1050 Brussels, Belgium; Structural Biology Brussels, Vrije Universiteit Brussel, B-1050 Brussels, Belgium
| | - Olga G Lyublinskaya
- Department of Intracellular Signaling and Transport, Institute of Cytology, Russian Academy of Sciences, St. Petersburg 194064, Russia
| | - Brandán Pedre
- VIB-VUB Center for Structural Biology, Vlaams Instituut voor Biotechnologie - Vrije Universiteit Brussel, B-1050 Brussels, Belgium; Brussels Center for Redox Biology, Vrije Universiteit Brussel, B-1050 Brussels, Belgium; Structural Biology Brussels, Vrije Universiteit Brussel, B-1050 Brussels, Belgium
| | | | - Natalie M Mishina
- Department of Metabolism and Redox Biology, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Moscow 117997, Russia
| | - Marion Thauvin
- Center for Interdisciplinary Research in Biology (CIRB), Collège de France, CNRS, INSERM, PSL Research University, Paris 75231, France; Sorbonne Université, Collège Doctoral, Paris 75005, France
| | - David Young
- VIB-VUB Center for Structural Biology, Vlaams Instituut voor Biotechnologie - Vrije Universiteit Brussel, B-1050 Brussels, Belgium; Brussels Center for Redox Biology, Vrije Universiteit Brussel, B-1050 Brussels, Belgium; Structural Biology Brussels, Vrije Universiteit Brussel, B-1050 Brussels, Belgium
| | - Khadija Wahni
- VIB-VUB Center for Structural Biology, Vlaams Instituut voor Biotechnologie - Vrije Universiteit Brussel, B-1050 Brussels, Belgium; Brussels Center for Redox Biology, Vrije Universiteit Brussel, B-1050 Brussels, Belgium; Structural Biology Brussels, Vrije Universiteit Brussel, B-1050 Brussels, Belgium
| | - Santiago Agustín Martínez Gache
- VIB-VUB Center for Structural Biology, Vlaams Instituut voor Biotechnologie - Vrije Universiteit Brussel, B-1050 Brussels, Belgium; Brussels Center for Redox Biology, Vrije Universiteit Brussel, B-1050 Brussels, Belgium; Structural Biology Brussels, Vrije Universiteit Brussel, B-1050 Brussels, Belgium
| | - Alexandra D Demidovich
- Department of Metabolism and Redox Biology, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Moscow 117997, Russia
| | - Yulia G Ermakova
- Department of Metabolism and Redox Biology, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Moscow 117997, Russia; European Molecular Biology Laboratory, Heidelberg 69117, Germany
| | - Yulia D Maslova
- Department of Metabolism and Redox Biology, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Moscow 117997, Russia
| | - Arina G Shokhina
- Department of Metabolism and Redox Biology, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Moscow 117997, Russia
| | - Emrah Eroglu
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Dmitry S Bilan
- Department of Metabolism and Redox Biology, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Moscow 117997, Russia; Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Pirogov Russian National Research Medical University, Moscow 117997, Russia
| | - Ivan Bogeski
- Institute for Cardiovascular Physiology, Georg August University Göttingen, Göttingen 37073, Germany
| | - Thomas Michel
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Sophie Vriz
- Center for Interdisciplinary Research in Biology (CIRB), Collège de France, CNRS, INSERM, PSL Research University, Paris 75231, France; University Paris-Diderot, Paris 75006, France
| | - Joris Messens
- VIB-VUB Center for Structural Biology, Vlaams Instituut voor Biotechnologie - Vrije Universiteit Brussel, B-1050 Brussels, Belgium; Brussels Center for Redox Biology, Vrije Universiteit Brussel, B-1050 Brussels, Belgium; Structural Biology Brussels, Vrije Universiteit Brussel, B-1050 Brussels, Belgium
| | - Vsevolod V Belousov
- Department of Metabolism and Redox Biology, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Moscow 117997, Russia; Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Pirogov Russian National Research Medical University, Moscow 117997, Russia; Institute for Cardiovascular Physiology, Georg August University Göttingen, Göttingen 37073, Germany; Federal Center for Cerebrovascular Pathology and Stroke, Moscow 117997, Russia.
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38
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Shi Y, Wang C, Zhou X, Li Y, Ma Y, Zhang R, Li R. Downregulation of PTEN promotes podocyte endocytosis of lipids aggravating obesity-related glomerulopathy. Am J Physiol Renal Physiol 2020; 318:F589-F599. [PMID: 31813249 DOI: 10.1152/ajprenal.00392.2019] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
With the increasing prevalence of obesity in adults worldwide, the incidence of obesity-related glomerulopathy (ORG) has increased yearly, becoming one of the leading causes of end-stage renal disease. Studies have demonstrated significant correlations between hyperlipidemia and impaired renal function in patients with ORG, indicating that hyperlipidemia causes damage in kidney cells. In podocytes, the endocytosis of lipids triggers an intracellular oxidative stress response that disrupts cellular integrity, resulting in proteinuria and glomerular sclerosis. However, the specific molecular mechanisms through which podocytes endocytose lipids remain unclear. Here, we demonstrated the enhanced endocytosis of lipids by podocytes from patients with ORG. This response was associated with decreased expression of phosphatase and tensin homolog (PTEN). In vitro silencing of PTEN promoted the endocytosis of low-density lipoprotein in mouse podocytes. Conversely, overexpression of PTEN inhibited the endocytosis of lipoproteins in podocytes. PTEN directly dephosphorylates and activates the actin-depolymerizing factor cofilin-1, leading to depolymerization of filamentous actin (F-actin), which is necessary for endocytosis. Notably, inhibition of PTEN resulted in the phosphorylation and inactivation of cofilin-1, leading to F-actin formation that enhanced the endocytosis of lipoproteins in podocytes. When hyperlipidemia was induced in mice with podocyte-specific deletion of PTEN, these mice recapitulated the major pathophysiological features of ORG. Thus, PTEN downregulation in podocytes may contribute to the pathogenesis of ORG.
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Affiliation(s)
- Yuanyuan Shi
- Nephrology Division, The Affiliated People's Hospital of Shanxi Medical University, Taiyuan, China
- Nephrology Division, Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Chen Wang
- Pathology Division, Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Xiaoshuang Zhou
- Nephrology Division, The Affiliated People's Hospital of Shanxi Medical University, Taiyuan, China
| | - Yafeng Li
- Nephrology Division, The Affiliated People's Hospital of Shanxi Medical University, Taiyuan, China
| | - Yuehong Ma
- Nephrology Division, The Affiliated People's Hospital of Shanxi Medical University, Taiyuan, China
| | - Rui Zhang
- Nephrology Division, The Affiliated People's Hospital of Shanxi Medical University, Taiyuan, China
| | - Rongshan Li
- Nephrology Division, The Affiliated People's Hospital of Shanxi Medical University, Taiyuan, China
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França KC, Martinez PA, Prado ML, Lo SM, Borges BE, Zanata SM, San Martin A, Nakao LS. Quiescin/sulfhydryl oxidase 1b (QSOX1b) induces migration and proliferation of vascular smooth muscle cells by distinct redox pathways. Arch Biochem Biophys 2020; 679:108220. [PMID: 31812669 DOI: 10.1016/j.abb.2019.108220] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2019] [Revised: 12/04/2019] [Accepted: 12/04/2019] [Indexed: 01/24/2023]
Abstract
Quiescent and contractile VSMC can switch to proliferative and migratory phenotype in response to growth factors and cytokines, an effect underscored by Nox family NADPH oxidases, particularly Nox1. We previously showed that quiescin/sulfhydryl oxidase 1 (QSOX1) has a role in neointima formation in balloon-injured rat carotid. Here, we investigated the intracellular redox mechanisms underlying these effects in primary VSMC. Our results show that exogenous incubation with wild type QSOX1b (wt QSOX), or with secreted QSOX1, but not with the inactive C452S QSOX 1b (C452S QSOX) or secreted inactive C455S QSOX1, induces VSMC migration and chemotaxis. PEG-catalase (PEG-CAT) prevented, while PEG-superoxide dismutase (PEG-SOD) increased migration induced by wt QSOX. Moreover, wt QSOX-induced migration was abrogated in NOX1-null VSMC. In contrast, both wt QSOX and C452S QSOX, and both secreted QSOX1 and C455S QSOX1, induce cell proliferation. Such effect was unaltered by PEG-CAT, while being inhibited by PEG-SOD. However, QSOX1-induced proliferation was not significantly affected in NOX1-null VSMC, compared with WT VSMC. These results indicate that hydrogen peroxide and superoxide mediate, respectively, migration and proliferation. However, Nox1 was required only for QSOX1-induced migration. In parallel, QSOX1-induced proliferation was independent of its redox activity, although mediated by intracellular superoxide.
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Affiliation(s)
- Karime C França
- Department of Basic Pathology, Universidade Federal Do Paraná, Curitiba, PR, 81531-980, Brazil
| | - Pierina A Martinez
- Department of Basic Pathology, Universidade Federal Do Paraná, Curitiba, PR, 81531-980, Brazil
| | - Maiara L Prado
- Department of Basic Pathology, Universidade Federal Do Paraná, Curitiba, PR, 81531-980, Brazil
| | - Sze M Lo
- Department of Basic Pathology, Universidade Federal Do Paraná, Curitiba, PR, 81531-980, Brazil
| | - Beatriz E Borges
- Department of Basic Pathology, Universidade Federal Do Paraná, Curitiba, PR, 81531-980, Brazil
| | - Silvio M Zanata
- Department of Basic Pathology, Universidade Federal Do Paraná, Curitiba, PR, 81531-980, Brazil
| | | | - Lia S Nakao
- Department of Basic Pathology, Universidade Federal Do Paraná, Curitiba, PR, 81531-980, Brazil.
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40
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Almeida N, Carrara G, Palmeira CM, Fernandes AS, Parsons M, Smith GL, Saraiva N. Stimulation of cell invasion by the Golgi Ion Channel GAAP/TMBIM4 via an H 2O 2-Dependent Mechanism. Redox Biol 2019; 28:101361. [PMID: 31693977 PMCID: PMC6838802 DOI: 10.1016/j.redox.2019.101361] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 10/18/2019] [Accepted: 10/21/2019] [Indexed: 02/06/2023] Open
Abstract
The mechanisms by which the Golgi apparatus (GA) impacts on cell invasion are poorly understood. The human Golgi Anti-Apoptotic Protein (hGAAP, also known as TMBIM4) is a highly conserved Golgi cation channel that modulates intracellular Ca2+ fluxes. Human GAAP is expressed in all human tissues, is essential for cell viability and provides resistance against a range of apoptotic stresses. Furthermore, hGAAP enhances adhesion and cell migration by increasing the turnover of focal adhesions due to activation of store-operated Ca2+ entry. Here, we describe a GA-derived mechanism that controls cell invasion. The overexpression of hGAAP stimulates 3-dimensional proteolytic cell invasion by a mechanism that is dependent on the accumulation of intracellular hydrogen peroxide, which might be produced by the hGAAP-dependent stimulation of mitochondrial respiration. These findings provide new insight into the complex mechanisms by which Ca2+ and reactive oxygen species signaling contribute to cell invasion and to the role of the GA in these processes.
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Affiliation(s)
- Nuno Almeida
- CBIOS, Universidade Lusófona Research Center for Biosciences & Health Technologies, Campo Grande 376, Lisbon, 1749-024, Portugal
| | - Guia Carrara
- Department of Pathology, University of Cambridge, Cambridge, CB2 1QP, UK
| | - Carlos M Palmeira
- Department of Life Sciences, University of Coimbra, Center for Neurosciences and Cell Biology, University of Coimbra, Coimbra, Portugal
| | - Ana S Fernandes
- CBIOS, Universidade Lusófona Research Center for Biosciences & Health Technologies, Campo Grande 376, Lisbon, 1749-024, Portugal
| | - Maddy Parsons
- Randall Centre for Cell and Molecular Biophysics, King's College London, Guys Campus, London, SE1 1UL, UK
| | - Geoffrey L Smith
- Department of Pathology, University of Cambridge, Cambridge, CB2 1QP, UK
| | - Nuno Saraiva
- CBIOS, Universidade Lusófona Research Center for Biosciences & Health Technologies, Campo Grande 376, Lisbon, 1749-024, Portugal.
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Vukelic S, Xu Q, Seidel-Rogol B, Faidley EA, Dikalova AE, Hilenski LL, Jorde U, Poole LB, Lassègue B, Zhang G, Griendling KK. NOX4 (NADPH Oxidase 4) and Poldip2 (Polymerase δ-Interacting Protein 2) Induce Filamentous Actin Oxidation and Promote Its Interaction With Vinculin During Integrin-Mediated Cell Adhesion. Arterioscler Thromb Vasc Biol 2019; 38:2423-2434. [PMID: 30354218 DOI: 10.1161/atvbaha.118.311668] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Objective- Actin cytoskeleton assembly and organization, as a result of focal adhesion (FA) formation during cell adhesion, are dependent on reactive oxygen species and the cellular redox environment. Poldip2 (polymerase δ-interacting protein 2), a novel regulator of NOX4 (NADPH oxidase 4), plays a significant role in reactive oxygen species production and cytoskeletal remodeling. Thus, we hypothesized that endogenous reactive oxygen species derived from Poldip2/NOX4 contribute to redox regulation of actin and cytoskeleton assembly during integrin-mediated cell adhesion. Approach and Results- Using vascular smooth muscle cells, we verified that hydrogen peroxide (H2O2) levels increase during integrin-mediated cell attachment as a result of activation of NOX4. Filamentous actin (F-actin) was oxidized by sulfenylation during cell attachment, with a peak at 3 hours (0.80±0.04 versus 0.08±0.13 arbitrary units at time zero), which was enhanced by overexpression of Poldip2. Depletion of Poldip2 or NOX4 using siRNA, or scavenging of endogenous H2O2 with catalase, inhibited F-actin oxidation by 78±26%, 99±1%, and 98±1%, respectively. To determine the consequence of F-actin oxidation, we examined the binding of F-actin to vinculin, a protein involved in FA complexes that regulates FA maturation. Vinculin binding during cell adhesion as well as migration capacity were inhibited after transfection with actin containing 2 oxidation-resistant point mutations (C272A and C374A). Silencing of Poldip2 or NOX4 also impaired actin-vinculin interaction, which disturbed maturation of FAs and inhibited cell migration. Conclusions- These results suggest that integrin engagement during cell attachment activates Poldip2/Nox4 to oxidize actin, which modulates FA assembly.
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Affiliation(s)
- Sasa Vukelic
- From the Division of Cardiology, Department of Medicine, Emory University, Atlanta, GA (S.V., Q.X., B.S.-R., E.A.F., L.L.H., B.L., K.K.G.).,Division of Cardiology, Department of Medicine, Albert Einstein College of Medicine, Bronx, NY (S.V., U.J.)
| | - Qian Xu
- From the Division of Cardiology, Department of Medicine, Emory University, Atlanta, GA (S.V., Q.X., B.S.-R., E.A.F., L.L.H., B.L., K.K.G.).,Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, China (Q.X., G.Z.)
| | - Bonnie Seidel-Rogol
- From the Division of Cardiology, Department of Medicine, Emory University, Atlanta, GA (S.V., Q.X., B.S.-R., E.A.F., L.L.H., B.L., K.K.G.)
| | - Elizabeth A Faidley
- From the Division of Cardiology, Department of Medicine, Emory University, Atlanta, GA (S.V., Q.X., B.S.-R., E.A.F., L.L.H., B.L., K.K.G.)
| | - Anna E Dikalova
- Department of Medicine, Vanderbilt University, Nashville, TN (A.E.D.)
| | - Lula L Hilenski
- From the Division of Cardiology, Department of Medicine, Emory University, Atlanta, GA (S.V., Q.X., B.S.-R., E.A.F., L.L.H., B.L., K.K.G.)
| | - Ulrich Jorde
- Division of Cardiology, Department of Medicine, Albert Einstein College of Medicine, Bronx, NY (S.V., U.J.)
| | - Leslie B Poole
- Department of Biochemistry, Center for Molecular Signaling, Center for Redox Biology and Medicine, Wake Forest School of Medicine, Winston-Salem, NC (L.B.P.)
| | - Bernard Lassègue
- From the Division of Cardiology, Department of Medicine, Emory University, Atlanta, GA (S.V., Q.X., B.S.-R., E.A.F., L.L.H., B.L., K.K.G.)
| | - Guogang Zhang
- Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, China (Q.X., G.Z.)
| | - Kathy K Griendling
- From the Division of Cardiology, Department of Medicine, Emory University, Atlanta, GA (S.V., Q.X., B.S.-R., E.A.F., L.L.H., B.L., K.K.G.)
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Tanaka LY, Araujo TLS, Rodriguez AI, Ferraz MS, Pelegati VB, Morais MCC, Santos AMD, Cesar CL, Ramos AF, Alencar AM, Laurindo FRM. Peri/epicellular protein disulfide isomerase-A1 acts as an upstream organizer of cytoskeletal mechanoadaptation in vascular smooth muscle cells. Am J Physiol Heart Circ Physiol 2018; 316:H566-H579. [PMID: 30499716 DOI: 10.1152/ajpheart.00379.2018] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Although redox processes closely interplay with mechanoresponses to control vascular remodeling, redox pathways coupling mechanostimulation to cellular cytoskeletal organization remain unclear. The peri/epicellular pool of protein disulfide isomerase-A1 (pecPDIA1) supports postinjury vessel remodeling. Using distinct models, we investigated whether pecPDIA1 could work as a redox-dependent organizer of cytoskeletal mechanoresponses. In vascular smooth muscle cells (VSMCs), pecPDIA1 immunoneutralization impaired stress fiber assembly in response to equibiaxial stretch and, under uniaxial stretch, significantly perturbed cell repositioning perpendicularly to stretch orientation. During cyclic stretch, pecPDIA1 supported thiol oxidation of the known mechanosensor β1-integrin and promoted polarized compartmentalization of sulfenylated proteins. Using traction force microscopy, we showed that pecPDIA1 organizes intracellular force distribution. The net contractile moment ratio of platelet-derived growth factor-exposed to basal VSMCs decreased from 0.90 ± 0.09 (IgG-exposed controls) to 0.70 ± 0.08 after pecPDI neutralization ( P < 0.05), together with an enhanced coefficient of variation for distribution of force modules, suggesting increased noise. Moreover, in a single cell model, pecPDIA1 neutralization impaired migration persistence without affecting total distance or velocity, whereas siRNA-mediated total PDIA1 silencing disabled all such variables of VSMC migration. Neither expression nor total activity of the master mechanotransmitter/regulator RhoA was affected by pecPDIA1 neutralization. However, cyclic stretch-induced focal distribution of membrane-bound RhoA was disrupted by pecPDI inhibition, which promoted a nonpolarized pattern of RhoA/caveolin-3 cluster colocalization. Accordingly, FRET biosensors showed that pecPDIA1 supports localized RhoA activity at cell protrusions versus perinuclear regions. Thus, pecPDI acts as a thiol redox-dependent organizer and noise reducer mechanism of cytoskeletal repositioning, oxidant generation, and localized RhoA activation during a variety of VSMC mechanoresponses. NEW & NOTEWORTHY Effects of a peri/epicellular pool of protein disulfide isomerase-A1 (pecPDIA1) during mechanoregulation in vascular smooth muscle cells (VSMCs) were highlighted using approaches such as equibiaxial and uniaxial stretch, random single cell migration, and traction force microscopy. pecPDIA1 regulates organization of the cytoskeleton and minimizes the noise of cell alignment, migration directionality, and persistence. pecPDIA1 mechanisms involve redox control of β1-integrin and localized RhoA activation. pecPDIA1 acts as a novel organizer of mechanoadaptation responses in VSMCs.
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Affiliation(s)
- Leonardo Y Tanaka
- Vascular Biology Laboratory, Heart Institute, University of São Paulo School of Medicine , São Paulo , Brazil
| | - Thaís L S Araujo
- Vascular Biology Laboratory, Heart Institute, University of São Paulo School of Medicine , São Paulo , Brazil
| | - Andres I Rodriguez
- Vascular Biology Laboratory, Heart Institute, University of São Paulo School of Medicine , São Paulo , Brazil.,Group of Research and Innovation in Vascular Health, Department of Basic Sciences, Faculty of Sciences, University of Bío-Bío , Chillán , Chile
| | - Mariana S Ferraz
- Institute of Physics, University of São Paulo , São Paulo , Brazil
| | - Vitor B Pelegati
- "Gleb Wataghin" Institute of Physics, University of Campinas , Campinas , Brazil
| | - Mauro C C Morais
- Escola de Artes, Ciências e Humanidades e Núcleo de Estudos Interdisciplinares em Sistemas Complexos, Departamento de Radiologia e Oncologia e Centro de Pesquisa Translacional em Oncologia - Instituto do Cancer do Estado São Paulo, Faculdade de Medicina, Universidade de São Paulo , São Paulo , Brazil
| | - Aline M Dos Santos
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas , Campinas , Brazil
| | - Carlos L Cesar
- "Gleb Wataghin" Institute of Physics, University of Campinas , Campinas , Brazil
| | - Alexandre F Ramos
- Escola de Artes, Ciências e Humanidades e Núcleo de Estudos Interdisciplinares em Sistemas Complexos, Departamento de Radiologia e Oncologia e Centro de Pesquisa Translacional em Oncologia - Instituto do Cancer do Estado São Paulo, Faculdade de Medicina, Universidade de São Paulo , São Paulo , Brazil
| | | | - Francisco R M Laurindo
- Vascular Biology Laboratory, Heart Institute, University of São Paulo School of Medicine , São Paulo , Brazil
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43
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Akter S, Fu L, Jung Y, Conte ML, Lawson JR, Lowther WT, Sun R, Liu K, Yang J, Carroll KS. Chemical proteomics reveals new targets of cysteine sulfinic acid reductase. Nat Chem Biol 2018; 14:995-1004. [PMID: 30177848 PMCID: PMC6192846 DOI: 10.1038/s41589-018-0116-2] [Citation(s) in RCA: 155] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Accepted: 07/18/2018] [Indexed: 01/06/2023]
Abstract
Cysteine sulfinic acid or S-sulfinylation is an oxidative post-translational modification (OxiPTM) that is known to be involved in redox-dependent regulation of protein function but has been historically difficult to analyze biochemically. To facilitate the detection of S-sulfinylated proteins, we demonstrate that a clickable, electrophilic diazene probe (DiaAlk) enables capture and site-centric proteomic analysis of this OxiPTM. Using this workflow, we revealed a striking difference between sulfenic acid modification (S-sulfenylation) and the S-sulfinylation dynamic response to oxidative stress, which is indicative of different roles for these OxiPTMs in redox regulation. We also identified >55 heretofore-unknown protein substrates of the cysteine sulfinic acid reductase sulfiredoxin, extending its function well beyond those of 2-cysteine peroxiredoxins (2-Cys PRDX1-4) and offering new insights into the role of this unique oxidoreductase as a central mediator of reactive oxygen species-associated diseases, particularly cancer. DiaAlk therefore provides a novel tool to profile S-sulfinylated proteins and study their regulatory mechanisms in cells.
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Affiliation(s)
- Salma Akter
- Department of Chemistry, The Scripps Research Institute, Jupiter, FL, USA
| | - Ling Fu
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, Beijing, China
- National Center for Protein Sciences-Beijing, Beijing, China
- Beijing Institute of Lifeomics, Beijing, China
| | - Youngeun Jung
- Department of Chemistry, The Scripps Research Institute, Jupiter, FL, USA
| | - Mauro Lo Conte
- Department of Chemistry, The Scripps Research Institute, Jupiter, FL, USA
- Novo Nordisk Research Center, Seattle, WA, USA
| | - J Reed Lawson
- Department of Biochemistry, Wake Forest School of Medicine, Winston-Salem, NC, USA
- Center for Structural Biology, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - W Todd Lowther
- Department of Biochemistry, Wake Forest School of Medicine, Winston-Salem, NC, USA
- Center for Structural Biology, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Rui Sun
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, Beijing, China
- National Center for Protein Sciences-Beijing, Beijing, China
- Beijing Institute of Lifeomics, Beijing, China
| | - Keke Liu
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, Beijing, China
- National Center for Protein Sciences-Beijing, Beijing, China
- Beijing Institute of Lifeomics, Beijing, China
| | - Jing Yang
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, Beijing, China.
- National Center for Protein Sciences-Beijing, Beijing, China.
- Beijing Institute of Lifeomics, Beijing, China.
| | - Kate S Carroll
- Department of Chemistry, The Scripps Research Institute, Jupiter, FL, USA.
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44
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Coumans JVF, Davey RJ, Moens PDJ. Cofilin and profilin: partners in cancer aggressiveness. Biophys Rev 2018; 10:1323-1335. [PMID: 30027463 DOI: 10.1007/s12551-018-0445-0] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Accepted: 07/08/2018] [Indexed: 02/07/2023] Open
Abstract
This review covers aspects of cofilin and profilin regulations and their influence on actin polymerisation responsible for cell motility and metastasis. The regulation of their activity by phosphorylation and nitration, miRs, PI(4,5)P2 binding, pH, oxidative stress and post-translational modification is described. In this review, we have highlighted selected similarities, complementarities and differences between the two proteins and how their interplay affects actin filament dynamics.
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Affiliation(s)
- Joelle V F Coumans
- School of Rural Medicine, University of New England, Armidale, Australia
| | - Rhonda J Davey
- Centre for Bioactive Discovery in Health and Ageing, School of Science and Technology, University of New England, Armidale, Australia
| | - Pierre D J Moens
- Centre for Bioactive Discovery in Health and Ageing, School of Science and Technology, University of New England, Armidale, Australia.
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45
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Zhuang H, Li Q, Zhang X, Ma X, Wang Z, Liu Y, Yi X, Chen R, Han F, Zhang N, Li Y. Downregulation of glycine decarboxylase enhanced cofilin-mediated migration in hepatocellular carcinoma cells. Free Radic Biol Med 2018. [PMID: 29524606 DOI: 10.1016/j.freeradbiomed.2018.03.003] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Metabolic reprogramming is a hallmark of cancer. Glycine decarboxylase (GLDC), an oxidoreductase, plays an important role in amino acid metabolism. While GLDC promotes tumor initiation and proliferation in non-small cell lung cancer and glioma and it was reported as a putative tumor suppressor gene in gastric cancer, the role of GLDC in hepatocellular carcinoma (HCC) is unknown. In the current study, microarray-based analysis suggested that GLDC expression was low in highly malignant HCC cell lines, and clinicopathological analysis revealed a decrease in GLDC in HCC tumor samples. While the knockdown of GLDC enhanced cancer cell migration and invasion, GLDC overexpression inhibited them. Mechanistic studies revealed that GLDC knockdown increased the levels of reactive oxygen species (ROS) and decreased the ratio of glutathione/oxidized glutathione (GSH/GSSG), which in turn dampened the ubiquitination of cofilin, a key regulator of actin polymerization. Consequently, the protein level of cofilin was elevated, which accounted for the increase in cell migration. The overexpression of GLDC reversed the phenotype. Treatment with N-acetyl-L-cysteine decreased the protein level of cofilin while treatment with H2O2 increased it, further confirming the role of ROS in regulating cofilin degradation. In a tumor xenographic transplant nude mouse model, the knockdown of GLDC promoted intrahepatic metastasis of HCC while GLDC overexpression inhibited it. Our data indicate that GLDC downregulation decreases ROS-mediated ubiquitination of cofilin to enhance HCC progression and intrahepatic metastasis.
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Affiliation(s)
- Hao Zhuang
- Key Laboratory of Breast Cancer Prevention and Therapy, Laboratory of Cancer Cell Biology, Tianjin Medical University Cancer Institute and Hospital, Department of Pathogen Biology & Department of Genetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China; Department of Hepatic Biliary Pancreatic Surgery, Cancer Hospital Affiliated to Zhengzhou University, Zhengzhou, Henan Province 450000, China; Department of Hepatobiliary Surgery, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300070, China
| | - Qiang Li
- Department of Hepatobiliary Surgery, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300070, China
| | - Xinran Zhang
- Key Laboratory of Breast Cancer Prevention and Therapy, Laboratory of Cancer Cell Biology, Tianjin Medical University Cancer Institute and Hospital, Department of Pathogen Biology & Department of Genetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Xuda Ma
- Key Laboratory of Breast Cancer Prevention and Therapy, Laboratory of Cancer Cell Biology, Tianjin Medical University Cancer Institute and Hospital, Department of Pathogen Biology & Department of Genetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Zun Wang
- Key Laboratory of Breast Cancer Prevention and Therapy, Laboratory of Cancer Cell Biology, Tianjin Medical University Cancer Institute and Hospital, Department of Pathogen Biology & Department of Genetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Yun Liu
- Key Laboratory of Breast Cancer Prevention and Therapy, Laboratory of Cancer Cell Biology, Tianjin Medical University Cancer Institute and Hospital, Department of Pathogen Biology & Department of Genetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Xianfu Yi
- School of Biomedical Engineering, Tianjin Medical University, Tianjin 300070, China
| | - Ruibing Chen
- Key Laboratory of Breast Cancer Prevention and Therapy, Laboratory of Cancer Cell Biology, Tianjin Medical University Cancer Institute and Hospital, Department of Pathogen Biology & Department of Genetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China
| | - Feng Han
- Department of Hepatic Biliary Pancreatic Surgery, Cancer Hospital Affiliated to Zhengzhou University, Zhengzhou, Henan Province 450000, China
| | - Ning Zhang
- Key Laboratory of Breast Cancer Prevention and Therapy, Laboratory of Cancer Cell Biology, Tianjin Medical University Cancer Institute and Hospital, Department of Pathogen Biology & Department of Genetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China.
| | - Yongmei Li
- Key Laboratory of Breast Cancer Prevention and Therapy, Laboratory of Cancer Cell Biology, Tianjin Medical University Cancer Institute and Hospital, Department of Pathogen Biology & Department of Genetics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, China.
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46
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Hernández H, Parra A, Tobar N, Molina J, Kallens V, Hidalgo M, Varela D, Martínez J, Porras O. Insights into the HyPer biosensor as molecular tool for monitoring cellular antioxidant capacity. Redox Biol 2018. [PMID: 29524842 PMCID: PMC5952670 DOI: 10.1016/j.redox.2018.02.023] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Aerobic metabolism brings inexorably the production of reactive oxygen species (ROS), which are counterbalanced by intrinsic antioxidant defenses avoiding deleterious intracellular effects. Redox balance is the resultant of metabolic functioning under environmental inputs (i.e. diet, pollution) and the activity of intrinsic antioxidant machinery. Monitoring of intracellular hydrogen peroxide has been successfully achieved by redox biosensor advent; however, to track the intrinsic disulfide bond reduction capacity represents a fundamental piece to understand better how redox homeostasis is maintained in living cells. In the present work, we compared the informative value of steady-state measurements and the kinetics of HyPer, a H2O2-sensitive fluorescent biosensor, targeted at the cytosol, mitochondrion and endoplasmic reticulum. From this set of data, biosensor signal recovery from an oxidized state raised as a suitable parameter to discriminate reducing capacity of a close environment. Biosensor recovery was pH-independent, condition demonstrated by experiments on pH-clamped cells, and sensitive to pharmacological perturbations of enzymatic disulfide reduction. Also, ten human cell lines were characterized according their H2O2-pulse responses, including their capacity to reduce disulfide bonds evaluated in terms of their migratory capacity. Finally, cellular migration experiments were conducted to study whether migratory efficiency was associated with the disulfide reduction activity. The migration efficiency of each cell type correlates with the rate of signal recovery measured from the oxidized biosensor. In addition, HyPer-expressing cells treated with N-acetyl-cysteine had accelerated recovery rates and major migratory capacities, both reversible effects upon treatment removal. Our data demonstrate that the HyPer signal recovery offers a novel methodological tool to track the cellular impact of redox active biomolecules.
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Affiliation(s)
- Helen Hernández
- Laboratorio de Biología Celular, Instituto de Nutrición y Tecnología de los Alimentos, Universidad de Chile, Chile
| | - Alejandra Parra
- Laboratorio de Biología Celular, Instituto de Nutrición y Tecnología de los Alimentos, Universidad de Chile, Chile
| | - Nicolas Tobar
- Laboratorio de Biología Celular, Instituto de Nutrición y Tecnología de los Alimentos, Universidad de Chile, Chile
| | - Jessica Molina
- Laboratorio de Biología Celular, Instituto de Nutrición y Tecnología de los Alimentos, Universidad de Chile, Chile
| | - Violeta Kallens
- Laboratorio de Biología Celular, Instituto de Nutrición y Tecnología de los Alimentos, Universidad de Chile, Chile
| | - Miltha Hidalgo
- Laboratorio de Biología Celular, Instituto de Nutrición y Tecnología de los Alimentos, Universidad de Chile, Chile
| | - Diego Varela
- Programa de Fisiología y Biofísica, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Chile; Millennium Nucleus of Ion Channels-Associated Diseases (MiNICAD), Universidad de Chile, Chile
| | - Jorge Martínez
- Laboratorio de Biología Celular, Instituto de Nutrición y Tecnología de los Alimentos, Universidad de Chile, Chile
| | - Omar Porras
- Laboratorio de Biología Celular, Instituto de Nutrición y Tecnología de los Alimentos, Universidad de Chile, Chile; Centro de Investigación en Alimentos para el Bienestar en el Ciclo Vital (ABCvital), Universidad de Chile, Chile.
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47
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The binding landscape of a partially-selective isopeptidase inhibitor with potent pro-death activity, based on the bis(arylidene)cyclohexanone scaffold. Cell Death Dis 2018; 9:184. [PMID: 29416018 PMCID: PMC5833369 DOI: 10.1038/s41419-017-0259-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Revised: 12/07/2017] [Accepted: 12/22/2017] [Indexed: 01/19/2023]
Abstract
Diaryldienone derivatives with accessible β-carbons show strong anti-neoplastic properties, related to their ability to make covalent adducts with free thiols by Michael addition, and low toxicity in vivo. Accumulation of poly-ubiquitylated proteins, activation of the unfolded protein response (UPR) and induction of cell death are universal hallmarks of their activities. These compounds have been characterized as inhibitors of isopeptidases, a family of cysteine-proteases, which de-conjugate ubiquitin and ubiquitin-like proteins from their targets. However, it is unclear whether they can also react with additional proteins. In this work, we utilized the biotin-conjugated diaryldienone-derivative named 2c, as a bait to purify novel cellular targets of these small molecules. Proteomic analyses have unveiled that, in addition to isopeptidases, these inhibitors can form stable covalent adducts with different intracellular proteins, thus potentially impacting on multiple functions of the cells, from cytoskeletal organization to metabolism. These widespread activities can explain the ability of diaryldienone derivatives to efficiently trigger different cell death pathways.
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48
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Gainullin MR, Zhukov IY, Zhou X, Mo Y, Astakhova L, Ernberg I, Matskova L. Degradation of cofilin is regulated by Cbl, AIP4 and Syk resulting in increased migration of LMP2A positive nasopharyngeal carcinoma cells. Sci Rep 2017; 7:9012. [PMID: 28827787 PMCID: PMC5567079 DOI: 10.1038/s41598-017-09540-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Accepted: 07/27/2017] [Indexed: 12/13/2022] Open
Abstract
Expression of cofilin is directly associated with metastatic activity in many tumors. Here, we studied the role of Latent Membrane Protein 2 A (LMP2A) of Epstein-Barr Virus (EBV) in the accumulation of cofilin observed in nasopharyngeal cancer (NPC) tumor cells. We used LMP2A transformed NPC cell lines to analyze cofilin expression. We used mutation analysis, ectopic expression and down-regulation of Cbl, AIP4 and Syk in these cell lines to determine the effect of the LMP2A viral protein on cofilin degradation and its role in the assembly of a cofilin degrading protein complex. The LMP2A of EBV was found to interfer with cofilin degradation in NPC cells by accelerating the proteasomal degradation of Cbl and Syk. In line with this, we found significantly higher cofilin expression in NPC tumor samples as compared to the surrounding epithelial tissues. Cofilin, as an actin severing protein, influences cellular plasticity, and facilitates cellular movement in response to oncogenic stimuli. Thus, under relaxed cellular control, cofilin facilitates tumor cell movement and dissemination. Interference with its degradation may enhance the metastatic potential of NPC cells.
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Affiliation(s)
- Murat R Gainullin
- Central Research Laboratory, Nizhniy Novgorod State Medical Academy, Nizhniy Novgorod, Minin Sq. 10/1, 603005, Russia.,Institute of Information Technology, Mathematics and Mechanics, Nizhniy Novgorod State University, Nizhniy Novgorod, Gagarin Av. 23, 603950, Russia
| | - Ilya Yu Zhukov
- Central Research Laboratory, Nizhniy Novgorod State Medical Academy, Nizhniy Novgorod, Minin Sq. 10/1, 603005, Russia.,Institute of Biology and Biomedicine, Nizhniy Novgorod State University, Nizhniy Novgorod, Gagarin Av. 23, 603950, Russia
| | - Xiaoying Zhou
- Medical Research Center, Guangxi Medical University, Nanning, China
| | - Yingxi Mo
- Department of Research, Affiliated Tumor Hospital of Guangxi Medical University, Nanning, China
| | - Lidiia Astakhova
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Sweden.,Institute of Food Science and Technology, Kemerovo, Russia
| | - Ingemar Ernberg
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Sweden
| | - Liudmila Matskova
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Sweden.
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49
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Sun R, Fu L, Liu K, Tian C, Yang Y, Tallman KA, Porter NA, Liebler DC, Yang J. Chemoproteomics Reveals Chemical Diversity and Dynamics of 4-Oxo-2-nonenal Modifications in Cells. Mol Cell Proteomics 2017; 16:1789-1800. [PMID: 28814509 DOI: 10.1074/mcp.ra117.000116] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
4-Oxo-2-nonenal (ONE) derived from lipid peroxidation modifies nucleophiles and transduces redox signaling by its reactions with proteins. However, the molecular interactions between ONE and complex proteomes and their dynamics in situ remain largely unknown. Here we describe a quantitative chemoproteomic analysis of protein adduction by ONE in cells, in which the cellular target profile of ONE is mimicked by its alkynyl surrogate. The analyses reveal four types of ONE-derived modifications in cells, including ketoamide and Schiff-base adducts to lysine, Michael adducts to cysteine, and a novel pyrrole adduct to cysteine. ONE-derived adducts co-localize and exhibit crosstalk with many histone marks and redox sensitive sites. All four types of modifications derived from ONE can be reversed site-specifically in cells. Taken together, our study provides much-needed mechanistic insights into the cellular signaling and potential toxicities associated with this important lipid derived electrophile.
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Affiliation(s)
- Rui Sun
- From the ‡State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Disease, Center for New Drug Safety Evaluation and Research, China Pharmaceutical University, Nanjing 211198, China.,§State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences, Beijing Institute of Radiation Medicine, Beijing 102206, China
| | - Ling Fu
- §State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences, Beijing Institute of Radiation Medicine, Beijing 102206, China
| | - Keke Liu
- §State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences, Beijing Institute of Radiation Medicine, Beijing 102206, China
| | - Caiping Tian
- §State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences, Beijing Institute of Radiation Medicine, Beijing 102206, China
| | - Yong Yang
- From the ‡State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Drug Discovery for Metabolic Disease, Center for New Drug Safety Evaluation and Research, China Pharmaceutical University, Nanjing 211198, China
| | - Keri A Tallman
- ¶Department of Chemistry, Vanderbilt University, Nashville, Tennessee 37232
| | - Ned A Porter
- ¶Department of Chemistry, Vanderbilt University, Nashville, Tennessee 37232
| | - Daniel C Liebler
- ‖Department of Biochemistry, Vanderbilt University School of Medicine, Nashville, Tennessee 37232
| | - Jing Yang
- §State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences, Beijing Institute of Radiation Medicine, Beijing 102206, China;
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50
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Xu Q, Huff LP, Fujii M, Griendling KK. Redox regulation of the actin cytoskeleton and its role in the vascular system. Free Radic Biol Med 2017; 109:84-107. [PMID: 28285002 PMCID: PMC5497502 DOI: 10.1016/j.freeradbiomed.2017.03.004] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Revised: 02/17/2017] [Accepted: 03/06/2017] [Indexed: 12/17/2022]
Abstract
The actin cytoskeleton is critical for form and function of vascular cells, serving mechanical, organizational and signaling roles. Because many cytoskeletal proteins are sensitive to reactive oxygen species, redox regulation has emerged as a pivotal modulator of the actin cytoskeleton and its associated proteins. Here, we summarize work implicating oxidants in altering actin cytoskeletal proteins and focus on how these alterations affect cell migration, proliferation and contraction of vascular cells. Finally, we discuss the role of oxidative modification of the actin cytoskeleton in vivo and highlight its importance for vascular diseases.
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Affiliation(s)
- Qian Xu
- Division of Cardiology, Department of Medicine, Emory University, 101 Woodruff Circle, 308a WMB, Atlanta, GA 30322, United States; Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha, China
| | - Lauren P Huff
- Division of Cardiology, Department of Medicine, Emory University, 101 Woodruff Circle, 308a WMB, Atlanta, GA 30322, United States
| | - Masakazu Fujii
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Japan
| | - Kathy K Griendling
- Division of Cardiology, Department of Medicine, Emory University, 101 Woodruff Circle, 308a WMB, Atlanta, GA 30322, United States.
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