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Wan X, Zhang Y, Wan Y, Xiong M, Xie A, Liang Y, Wan H. A Multifunctional Biomimetic Nanoplatform for Dual Tumor Targeting-Assisted Multimodal Therapy of Colon Cancer. ACS NANO 2024; 18:26666-26689. [PMID: 39300799 DOI: 10.1021/acsnano.4c05773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/22/2024]
Abstract
The biomimetic nanoparticles (NPs) possessing abilities of tumor targeting and multimodal therapy show great potential for efficient combat of colon cancer. Herein, we developed a multifunctional biomimetic nanoplatform (Fe3O4@PDA@CaCO3-ICG@CM) based on CaCO3-modified magnetic polydopamine (PDA) loaded with indocyanine green (ICG), which was encapsulated by a mouse lymphoma cell (EL4) membrane (CM) expressing functional proteins (i.e., lymphocyte function-associated antigen 1, LFA-1; transforming growth factor-β receptor, TGF-βR; programmed cell death protein 1, PD-1; and factor related apoptosis ligand, FasL). Under magnetic attraction and LFA-1/PD-1-mediated endocytosis, Fe3O4@PDA@CaCO3-ICG@CM efficiently targeted CT26 colon tumor cells. The released calcium ion (Ca2+) from the NPs triggered by acidic tumor microenvironment, the enhanced photothermal effect contributed by the combination of PDA and ICG, and FasL's direct killing effect together induced tumor cells apoptosis. Moreover, the apoptosis of CT26 cells induced immunogenic cell death (ICD) to promote the maturation of dendritic cells (DCs) to activate CD4+/CD8+ T cells, thereby fighting against tumor cells, which could further be boosted by programmed death-ligand 1 (PD-L1) blockage and transforming growth factor-β (TGF-β) scavenging by Fe3O4@PDA@CaCO3-ICG@CM. As a result, in vivo satisfactory therapeutic effect was observed for CT26 tumor bearing-mice treated with Fe3O4@PDA@CaCO3-ICG@CM under laser irradiation and magnetic attraction, which could eradicate primary tumors and restrain distant tumors through dual tumor targeting-assisted multimodal therapy and eliciting adaptive antitumor immune response, generating the immune memory for inhibiting tumor metastasis and recurrence. Taken together, the multifunctional biomimetic nanoplatform exhibits superior antitumor effects, providing an insightful strategy for the field of nanomaterial-based treatment of cancer.
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Affiliation(s)
- Xin Wan
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Ying Zhang
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, China
| | - Yiqun Wan
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, China
| | - Mengmeng Xiong
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Anqi Xie
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, China
| | - Yongye Liang
- Department of Materials Science and Engineering, Southern University of Science and Technology of China, Shenzhen 518055, China
| | - Hao Wan
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, China
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Zhang D, Ye Y, Hu X. A non-invasive piTreg-related gene signature for spontaneous tolerance in renal transplantation. Gene X 2023; 848:146901. [DOI: 10.1016/j.gene.2022.146901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 09/11/2022] [Accepted: 09/13/2022] [Indexed: 10/14/2022] Open
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Zhai Y, Moosavi R, Chen M. Immune Checkpoints, a Novel Class of Therapeutic Targets for Autoimmune Diseases. Front Immunol 2021; 12:645699. [PMID: 33968036 PMCID: PMC8097144 DOI: 10.3389/fimmu.2021.645699] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 03/02/2021] [Indexed: 12/14/2022] Open
Abstract
Autoimmune diseases, such as multiple sclerosis and type-1 diabetes, are the outcomes of a failure of immune tolerance. Immune tolerance is sustained through interplays between two inter-dependent clusters of immune activities: immune stimulation and immune regulation. The mechanisms of immune regulation are exploited as therapeutic targets for the treatment of autoimmune diseases. One of these mechanisms is immune checkpoints (ICPs). The roles of ICPs in maintaining immune tolerance and hence suppressing autoimmunity were revealed in animal models and validated by the clinical successes of ICP-targeted therapeutics for autoimmune diseases. Recently, these roles were highlighted by the clinical discovery that the blockade of ICPs causes autoimmune disorders. Given the crucial roles of ICPs in immune tolerance, it is plausible to leverage ICPs as a group of therapeutic targets to restore immune tolerance and treat autoimmune diseases. In this review, we first summarize working mechanisms of ICPs, particularly those that have been utilized for therapeutic development. Then, we recount the agents and approaches that were developed to target ICPs and treat autoimmune disorders. These agents take forms of fusion proteins, antibodies, nucleic acids, and cells. We also review and discuss safety information for these therapeutics. We wrap up this review by providing prospects for the development of ICP-targeting therapeutics. In summary, the ever-increasing studies and results of ICP-targeting of therapeutics underscore their tremendous potential to become a powerful class of medicine for autoimmune diseases.
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Affiliation(s)
- Yujia Zhai
- Department of Pharmaceutics and Pharmaceutical Chemistry, University of Utah, Salt Lake City, UT, United States
| | - Reza Moosavi
- Department of Pharmaceutics and Pharmaceutical Chemistry, University of Utah, Salt Lake City, UT, United States
| | - Mingnan Chen
- Department of Pharmaceutics and Pharmaceutical Chemistry, University of Utah, Salt Lake City, UT, United States
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Kotwica-Mojzych K, Jodłowska-Jędrych B, Mojzych M. CD200:CD200R Interactions and Their Importance in Immunoregulation. Int J Mol Sci 2021; 22:ijms22041602. [PMID: 33562512 PMCID: PMC7915401 DOI: 10.3390/ijms22041602] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 01/28/2021] [Accepted: 01/29/2021] [Indexed: 01/07/2023] Open
Abstract
The molecule CD200, described many years ago as a naturally occurring immunomodulatory agent, capable of regulating inflammation and transplant rejection, has attracted additional interest over the past years with the realization that it may also serve as an important marker for progressive malignancy. A large body of evidence also supports the hypothesis that this molecule can contribute to immunoregulation of, among other diseases, infection, autoimmune disease and allergy. New data have also come to light to characterize the receptors for CD200 (CD200R) and their potential mechanism(s) of action at the biochemical level, as well as the description of a novel natural antagonist of CD200, lacking the NH2-terminal region of the full-length molecule. Significant controversies exist concerning the relative importance of CD200 as a ligand for all reported CD200Rs. Nevertheless, some progress has been made in the identification of the structural constraints determining the interaction between CD200 and CD200R, and this information has in turn proved of use in developing novel small molecule agonists/antagonists of the interaction. The review below highlights many of these newer findings, and attempts to place them in the broad context of our understanding of the role of CD200-CD200R interactions in a variety of human diseases.
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Affiliation(s)
- Katarzyna Kotwica-Mojzych
- Department of Histology, Embryology and Cytophysiology, Medical University of Lublin, Radziwiłłowska 11, 20-080 Lublin, Poland;
- Correspondence:
| | - Barbara Jodłowska-Jędrych
- Department of Histology, Embryology and Cytophysiology, Medical University of Lublin, Radziwiłłowska 11, 20-080 Lublin, Poland;
| | - Mariusz Mojzych
- Department of Chemistry, Siedlce University of Natural Sciences and Humanities, 3 Maja 54, 08-110 Siedlce, Poland;
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Mercantepe T, Tümkaya L, Mercantepe F. Effects of Infliximab against Methotrexate Toxicity in Splenic Tissue via the Regulation of CD3, CD68, and C200R in Rats. Cells Tissues Organs 2019; 206:308-316. [DOI: 10.1159/000500905] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2018] [Accepted: 05/13/2019] [Indexed: 11/19/2022] Open
Abstract
Methotrexate (MTX), which has been used in clinical practice for approximately 70 years, is still widely employed in the treatment of rheumatoid arthritis (RA), psoriasis, and cancer. Although MTX toxicity causes nephrotoxicity, hepatotoxicity, bone marrow suppression, pulmonary fibrosis, and gastrointestinal damage, previous studies have not addressed splenic toxicity. This is the first study to examine the effectiveness of infliximab (INF) against MTX-induced toxicity in splenic tissues via the regulation of CD3, CD68, and C200R. We investigated the effects of MTX on macrophages and T lymphocytes in the spleen at the molecular level and examined the protective potential of the tumor necrosis factor (TNF)-α antagonist INF against MTX toxicity. Three groups of rats were set up. Group 1 received saline solution only, group 2 a single dose of MTX (20 mg/kg), and group 3 INF (7 mg/kg) before administration of a single dose of MTX (20 mg/kg). All injections were given intraperitoneally. Spleen tissues were removed 5 days after MTX administration and evaluated for CD3, CD68, and CD200R using immunohistochemical staining. Finally, the mean numerical density of CD3+, CD68+, and CD200R+ cells was estimated by a histopathologist using StereoInvestigator 8. MTX increased the numerical densities of CD3+, CD68+, and CD200R+ cells (p < 0.05). We also observed that INF reduced the numerical densities of these cells following MTX administration (p < 0.05). INF may, therefore, be a promising candidate for the prevention of the deleterious effects on spleen tissue of MTX, used in the treatment of RA and cancer.
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Paluch C, Santos AM, Anzilotti C, Cornall RJ, Davis SJ. Immune Checkpoints as Therapeutic Targets in Autoimmunity. Front Immunol 2018; 9:2306. [PMID: 30349540 PMCID: PMC6186808 DOI: 10.3389/fimmu.2018.02306] [Citation(s) in RCA: 90] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Accepted: 09/17/2018] [Indexed: 12/19/2022] Open
Abstract
Antibodies that block the immune checkpoint receptors PD1 and CTLA4 have revolutionized the treatment of melanoma and several other cancers, but in the process, a new class of drug side effect has emerged—immune related adverse events. The observation that therapeutic blockade of these inhibitory receptors is sufficient to break self-tolerance, highlights their crucial role in the physiological modulation of immune responses. Here, we discuss the rationale for targeting immune checkpoint receptors with agonistic agents in autoimmunity, to restore tolerance when it is lost. We review progress that has been made to date, using Fc-fusion proteins, monoclonal antibodies or other novel constructs to induce immunosuppressive signaling through these pathways. Finally, we explore potential mechanisms by which these receptors trigger and modulate immune cell function, and how understanding these processes might shape the design of more effective therapeutic agents in future.
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Affiliation(s)
- Christopher Paluch
- MRC Human Immunology Unit, University of Oxford, Oxford, United Kingdom.,Nuffield Department of Clinical Medicine, University of Oxford, Oxford, United Kingdom
| | - Ana Mafalda Santos
- MRC Human Immunology Unit, University of Oxford, Oxford, United Kingdom.,Radcliffe Department of Medicine, University of Oxford, Oxford, United Kingdom
| | - Consuelo Anzilotti
- MRC Human Immunology Unit, University of Oxford, Oxford, United Kingdom.,Radcliffe Department of Medicine, University of Oxford, Oxford, United Kingdom
| | - Richard J Cornall
- MRC Human Immunology Unit, University of Oxford, Oxford, United Kingdom.,Nuffield Department of Clinical Medicine, University of Oxford, Oxford, United Kingdom
| | - Simon J Davis
- MRC Human Immunology Unit, University of Oxford, Oxford, United Kingdom.,Radcliffe Department of Medicine, University of Oxford, Oxford, United Kingdom
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Costa RA, Power DM. Skin and scale regeneration after mechanical damage in a teleost. Mol Immunol 2018; 95:73-82. [DOI: 10.1016/j.molimm.2018.01.016] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Revised: 01/20/2018] [Accepted: 01/26/2018] [Indexed: 12/16/2022]
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Holmannová D, Koláčková M, Kondělková K, Kuneš P, Krejsek J, Andrýs C. CD200/CD200R Paired Potent Inhibitory Molecules Regulating Immune and Inflammatory Responses; Part II : CD 200/CD200R Potential Clinical Applications. ACTA MEDICA (HRADEC KRÁLOVÉ) 2015; 55:59-65. [DOI: 10.14712/18059694.2015.56] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
CD200 and its receptor were recognized as having the multiple immunoregulatory functions. Their immunoregulatory, suppressive, and tolerogenic potentials could be very effectively exploited in the treatment of many diseases, e.g. Alzheimer disease, rheumatoid arthritis, and allergy to name only some. Many research projects are aimed to develop clinically valuable methods being based on the structure and function of these paired molecules. In this review, we would like to introduce CD200/CD200R functions in a clinical context.
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Agonistic CD200R1 DNA Aptamers Are Potent Immunosuppressants That Prolong Allogeneic Skin Graft Survival. MOLECULAR THERAPY. NUCLEIC ACIDS 2014; 3:e190. [PMID: 25158092 PMCID: PMC4221601 DOI: 10.1038/mtna.2014.41] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2014] [Accepted: 07/16/2014] [Indexed: 12/22/2022]
Abstract
CD200R1 expressed on the surface of myeloid and lymphoid cells delivers immune inhibitory signals to modulate inflammation when engaged with its ligand CD200. Signalling through CD200/CD200R1 has been implicated in a number of immune-related diseases including allergy, infection, cancer and transplantation, as well as several autoimmune disorders including arthritis, systemic lupus erythematosus, and multiple sclerosis. We report the development and characterization of DNA aptamers, which bind to murine CD200R1 and act as potent signalling molecules in the absence of exogenous CD200. These agonistic aptamers suppress cytotoxic T-lymphocyte induction in 5-day allogeneic mixed leukocyte culture and induce rapid phosphorylation of the CD200R1 cytoplasmic tail thereby initiating immune inhibitory signalling. PEGylated conjugates of these aptamers show significant in vivo immunosuppression and enhance survival of allogeneic skin grafts as effectively as soluble CD200Fc. As DNA aptamers exhibit inherent advantages over conventional protein-based therapeutics including low immunogenicity, ease of synthesis, low cost, and long shelf life, such CD200R1 agonistic aptamers may emerge as useful and safe nonsteroidal anti-inflammatory therapeutic agents.
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Immunological dysregulation in multiple myeloma microenvironment. BIOMED RESEARCH INTERNATIONAL 2014; 2014:198539. [PMID: 25013764 PMCID: PMC4071780 DOI: 10.1155/2014/198539] [Citation(s) in RCA: 95] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/11/2014] [Accepted: 05/20/2014] [Indexed: 12/22/2022]
Abstract
Multiple Myeloma (MM) is a systemic hematologic disease due to uncontrolled proliferation of monoclonal plasma cells (PC) in bone marrow (BM). Emerging in other solid and liquid cancers, the host immune system and the microenvironment have a pivotal role for PC growth, proliferation, survival, migration, and resistance to drugs and are responsible for some clinical manifestations of MM. In MM, microenvironment is represented by the cellular component of a normal bone marrow together with extracellular matrix proteins, adhesion molecules, cytokines, and growth factors produced by both stromal cells and PC themselves. All these components are able to protect PC from cytotoxic effect of chemo- and radiotherapy. This review is focused on the role of immunome to sustain MM progression, the emerging role of myeloid derived suppressor cells, and their potential clinical implications as novel therapeutic target.
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Abstract
The type 1 membrane glycoprotein CD200, widely expressed on multiple cells/tissues, uses a structurally similar receptor (CD200R1), whose expression is more restricted to cells of the myeloid and lymphoid lineages, to transmit signals affecting responses in multiple physiological systems. Thus CD200 expression is reported to exert effects on cancer growth, autoimmune and allergic disorders, infection, transplantation, bone development and homeostasis, and reproductive biology. It was initially thought, based on the idea that CD200R1 was mostly expressed on cells of myeloid origin, that CD200:CD200R1 interactions were primarily dedicated to controlling myeloid cell function. However additional members of the CD200R family have now also been identified, although their function(s) remain unclear, and CD200R1 itself is now known to be expressed by subsets of T cells and other cells. Together these observations add layers of complexity to our understanding of CD200-related regulation. In common with a number of physiological systems, the mechanism(s) of CD200-induced signaling seem to fit within a similar framework of opposing actions of kinases and phosphatases. This paper highlights the advances in our knowledge of immunoregulation achieved following CD200:CD200R interaction and the potential clinical applicability of that information.
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Affiliation(s)
- Reginald M. Gorczynski
- Departments of Surgery and Immunology, University Health Network and The Toronto Hospital, Toronto, ON, Canada M5G 1L7
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Ambarus CA, Krausz S, van Eijk M, Hamann J, Radstake TRDJ, Reedquist KA, Tak PP, Baeten DLP. Systematic validation of specific phenotypic markers for in vitro polarized human macrophages. J Immunol Methods 2011; 375:196-206. [PMID: 22075274 DOI: 10.1016/j.jim.2011.10.013] [Citation(s) in RCA: 297] [Impact Index Per Article: 22.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2011] [Revised: 10/17/2011] [Accepted: 10/18/2011] [Indexed: 12/14/2022]
Abstract
BACKGROUND Polarization of macrophages by specific micro-environmental conditions impacts upon their function following subsequent activation. This study aimed to systematically validate robust phenotypic markers for in vitro polarized human macrophages in order to facilitate the study of macrophage subsets in vivo. METHODS Human peripheral blood monocytes were polarized in vitro with IFN-γ, IL-4, or IL-10. Similar experiments were performed with TNF, IL-13, dexamethasone, M-CSF and GM-CSF as polarizing stimuli. Phenotypic markers were assessed by flow cytometry and qPCR. RESULTS IFN-γ polarized macrophages (MΦ(IFN-γ)) specifically enhanced membrane expression of CD80 and CD64, IL-4 polarized macrophages (MΦ(IL-4)) mainly upregulated CD200R and CD206, and downregulated CD14 levels, and IL-10 polarized macrophages (MΦ(IL-10)) selectively induced CD163, CD16, and CD32. The expression profiles of the most specific markers were confirmed by qPCR, dose-response experiments, and the use of alternative polarizing factors for each macrophage subset (TNF, IL-13, and dexamethasone, respectively). GM-CSF polarized macrophages (MΦ(GM-CSF)) upregulated CD80 but not CD64 expression, showing a partial phenotypic similarity with MΦ(IFN-γ), and also upregulated the expression of the alternative activation marker CD206. M-CSF polarized macrophages (MΦ(M-CSF)) not only expressed increased levels of CD163 and CD16, resembling MΦ(IL-10,) but also displayed high levels of CD64. The phenotype of MΦ(M-CSF) could be further modulated by additional polarization with IFN-γ, IL-4, or IL-10, whereas MΦ(GM-CSF) showed less phenotypic plasticity. CONCLUSION This study validated CD80 as the most robust phenotypic marker for human MΦ(IFN-γ), whereas CD200R was upregulated and CD14 was specifically downregulated on MΦ(IL-4). CD163 and CD16 were found to be specific markers for MΦ(IL-10). The GM-CSF/M-CSF differentiation model showed only a partial phenotypic similarity with the IFN-γ/IL-4/IL-10 induced polarization.
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Affiliation(s)
- C A Ambarus
- Department of Clinical Immunology and Rheumatology, Academic Medical Center/University of Amsterdam, The Netherlands
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Vieira FA, Gregório SF, Ferraresso S, Thorne MAS, Costa R, Milan M, Bargelloni L, Clark MS, Canario AVM, Power DM. Skin healing and scale regeneration in fed and unfed sea bream, Sparus auratus. BMC Genomics 2011; 12:490. [PMID: 21981800 PMCID: PMC3199283 DOI: 10.1186/1471-2164-12-490] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2010] [Accepted: 10/07/2011] [Indexed: 02/01/2023] Open
Abstract
Background Fish scales are an important reservoir of calcium and phosphorus and together with the skin function as an integrated barrier against environmental changes and external aggressors. Histological studies have revealed that the skin and scales regenerate rapidly in fish when they are lost or damaged. In the present manuscript the histological and molecular changes underlying skin and scale regeneration in fed and fasted sea bream (Sparus auratus) were studied using a microarray 3 and 7 days after scale removal to provide a comprehensive molecular understanding of the early stages of these processes. Results Histological analysis of skin/scales revealed 3 days after scale removal re-epithelisation and formation of the scale pocket had occurred and 53 and 109 genes showed significant up or down-regulation, respectively. Genes significantly up-regulated were involved in cell cycle regulation, cell proliferation and adhesion, immune response and antioxidant activities. 7 days after scale removal a thin regenerated scale was visible and only minor changes in gene expression occurred. In animals that were fasted to deplete mineral availability the expression profiles centred on maintaining energy homeostasis. The utilisation of fasting as a treatment emphasised the competing whole animal physiological requirements with regard to barrier repair, infection control and energy homeostasis. Conclusions The identification of numerous genes involved in the mitotic checkpoint and cell proliferation indicate that the experimental procedure may be useful for understanding cell proliferation and control in vertebrates within the context of the whole animal physiology. In response to skin damage genes of immune surveillance were up-regulated along with others involved in tissue regeneration required to rapidly re-establish barrier function. Additionally, candidate fish genes were identified that may be involved in cytoskeletal re-modelling, mineralization and stem cells, which are of potential use in aquaculture and fish husbandry, as they may impact on the ability of the fish to produce structural proteins, such as muscle, efficiently.
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Affiliation(s)
- Florbela A Vieira
- Comparative and Molecular Endocrinology Group, Centre for Marine Sciences (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal.
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Hair follicle is a target of stress hormone and autoimmune reactions. J Dermatol Sci 2010; 60:67-73. [DOI: 10.1016/j.jdermsci.2010.09.006] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2010] [Accepted: 09/21/2010] [Indexed: 11/16/2022]
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