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Chen Q, Yi S, Yang L, Zhu L. Penetration pathways, influencing factors and predictive models for dermal absorption of exobiotic molecules: A critical review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 927:172390. [PMID: 38608904 DOI: 10.1016/j.scitotenv.2024.172390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 04/08/2024] [Accepted: 04/08/2024] [Indexed: 04/14/2024]
Abstract
This review provides a comprehensive summary of the skin penetration pathways of xenobiotics, including metals, organic pollutants, and nanoparticles (NPs), with a particular focus on the methodologies employed to elucidate these penetration routes. The impacts of the physicochemical properties of exogenous substances and the properties of solvent carriers on the penetration efficiencies were discussed. Furthermore, the review outlines the steady-state and transient models for predicting the skin permeability of xenobiotics, emphasizing the models which enable realistic visualization of pharmaco-kinetic phenomena via detailed geometric representations of the skin microstructure, such as stratum corneum (SC) (bricks and mortar) and skin appendages (hair follicles and sebaceous gland units). Limitations of published research, gaps in current knowledge, and recommendations for future research are highlighted, providing insight for a better understanding of the skin penetration behavior of xenobiotics and associated health risks in practical application contexts.
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Affiliation(s)
- Qiaoying Chen
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, PR China
| | - Shujun Yi
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, PR China.
| | - Liping Yang
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, PR China
| | - Lingyan Zhu
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, PR China
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2
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Chaurasiya V, Nidhina Haridas PA, Olkkonen VM. Adipocyte-endothelial cell interplay in adipose tissue physiology. Biochem Pharmacol 2024; 222:116081. [PMID: 38408682 DOI: 10.1016/j.bcp.2024.116081] [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: 10/31/2023] [Revised: 02/02/2024] [Accepted: 02/22/2024] [Indexed: 02/28/2024]
Abstract
Adipose tissue (AT) expansion through hyperplasia or hypertrophy requires vascular remodeling that involves angiogenesis. There is quite some evidence that obese white AT (WAT) displays altered vasculature. Some studies suggest that this is associated with hypoxia, which is thought to play a role in inducing inflammatory activation of the excessively expanding WAT. Increasing evidence, based on genetic manipulations or treatments with inhibitory or activator pharmaceuticals, demonstrates that AT angiogenesis is crucial for AT metabolic function, and thereby for whole body metabolism and metabolic health. Despite some contradiction between studies, disturbance of WAT angiogenesis in obesity could be an important factor driving WAT dysfunction and the comorbidities of obesity. Endothelial cells (ECs) contribute to healthy WAT metabolism via transport of fatty acids and other plasma components, secretory signaling molecules, and extracellular vesicles (EVs). This communication is crucial for adipocyte metabolism and underscores the key role that the AT endothelium plays in systemic energy homeostasis and healthy metabolism. Adipocytes communicate towards the neighboring endothelium through several mechanisms. The pro-inflammatory status of hypertrophic adipocytes in obesity is reflected in ECs activation, which promotes chronic inflammation. On the other hand, adiponectin secreted by the adipocytes is important for healthy endothelial function, and adipocytes also secrete other pro- or anti-angiogenic effector molecules and a wealth of EVs - however, their detailed roles in signaling towards the endothelium are yet poorly understood. To conclude, targeting AT angiogenesis and promoting the healthy communication between adipocytes and ECs represent potentially promising strategies to treat obesity and its comorbidities.
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Affiliation(s)
- Vaishali Chaurasiya
- Minerva Foundation Institute for Medical Research, Helsinki, Finland, and Department of Anatomy, Faculty of Medicine, University of Helsinki, Finland
| | - P A Nidhina Haridas
- Minerva Foundation Institute for Medical Research, Helsinki, Finland, and Department of Anatomy, Faculty of Medicine, University of Helsinki, Finland
| | - Vesa M Olkkonen
- Minerva Foundation Institute for Medical Research, Helsinki, Finland, and Department of Anatomy, Faculty of Medicine, University of Helsinki, Finland.
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3
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Babalola KT, Arora M, Ganugula R, Agarwal SK, Mohan C, Kumar MNVR. Leveraging Lymphatic System Targeting in Systemic Lupus Erythematosus for Improved Clinical Outcomes. Pharmacol Rev 2024; 76:228-250. [PMID: 38351070 PMCID: PMC10877736 DOI: 10.1124/pharmrev.123.000938] [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: 07/20/2023] [Revised: 11/21/2023] [Accepted: 12/06/2023] [Indexed: 02/16/2024] Open
Abstract
The role of advanced drug delivery strategies in drug repositioning and minimizing drug attrition rates, when applied early in drug discovery, is poised to increase the translational impact of various therapeutic strategies in disease prevention and treatment. In this context, drug delivery to the lymphatic system is gaining prominence not only to improve the systemic bioavailability of various pharmaceutical drugs but also to target certain specific diseases associated with the lymphatic system. Although the role of the lymphatic system in lupus is known, very little is done to target drugs to yield improved clinical benefits. In this review, we discuss recent advances in drug delivery strategies to treat lupus, the various routes of drug administration leading to improved lymph node bioavailability, and the available technologies applied in other areas that can be adapted to lupus treatment. Moreover, this review also presents some recent findings that demonstrate the promise of lymphatic targeting in a preclinical setting, offering renewed hope for certain pharmaceutical drugs that are limited by efficacy in their conventional dosage forms. These findings underscore the potential and feasibility of such lymphatic drug-targeting approaches to enhance therapeutic efficacy in lupus and minimize off-target effects of the pharmaceutical drugs. SIGNIFICANCE STATEMENT: The World Health Organization estimates that there are currently 5 million humans living with some form of lupus. With limited success in lupus drug discovery, turning to effective delivery strategies with existing drug molecules, as well as those in the early stage of discovery, could lead to better clinical outcomes. After all, effective delivery strategies have been proven to improve treatment outcomes.
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Affiliation(s)
- K T Babalola
- The Center for Convergent Bioscience and Medicine (CCBM) (K.T.B., M.A., R.G., M.N.V.R.K.), Division of Translational Science and Medicine, College of Community Health Sciences (K.T.B., M.A., R.G., M.N.V.R.K.), Alabama Life Research Institute (K.T.B., M.A., R.G., M.N.V.R.K.), and Department of Biological Sciences (M.A., R.G., M.N.V.R.K.), The University of Alabama, Tuscaloosa, Alabama; Section of Immunology, Allergy and Rheumatology, Department of Medicine, Biology of Inflammation Baylor College of Medicine, One Baylor Plaza, Houston, Texas (S.K.A.); Department of Biomedical Engineering, University of Houston, Houston, Texas (C.M.); Chemical and Biological Engineering, University of Alabama, Tuscaloosa, Alabama (M.N.V.R.K.); and Center for Free Radical Biology (M.N.V.R.K.) and Nephrology Research and Training Center, Division of Nephrology, Department of Medicine (M.N.V.R.K.), University of Alabama at Birmingham, Birmingham, Alabama
| | - M Arora
- The Center for Convergent Bioscience and Medicine (CCBM) (K.T.B., M.A., R.G., M.N.V.R.K.), Division of Translational Science and Medicine, College of Community Health Sciences (K.T.B., M.A., R.G., M.N.V.R.K.), Alabama Life Research Institute (K.T.B., M.A., R.G., M.N.V.R.K.), and Department of Biological Sciences (M.A., R.G., M.N.V.R.K.), The University of Alabama, Tuscaloosa, Alabama; Section of Immunology, Allergy and Rheumatology, Department of Medicine, Biology of Inflammation Baylor College of Medicine, One Baylor Plaza, Houston, Texas (S.K.A.); Department of Biomedical Engineering, University of Houston, Houston, Texas (C.M.); Chemical and Biological Engineering, University of Alabama, Tuscaloosa, Alabama (M.N.V.R.K.); and Center for Free Radical Biology (M.N.V.R.K.) and Nephrology Research and Training Center, Division of Nephrology, Department of Medicine (M.N.V.R.K.), University of Alabama at Birmingham, Birmingham, Alabama
| | - R Ganugula
- The Center for Convergent Bioscience and Medicine (CCBM) (K.T.B., M.A., R.G., M.N.V.R.K.), Division of Translational Science and Medicine, College of Community Health Sciences (K.T.B., M.A., R.G., M.N.V.R.K.), Alabama Life Research Institute (K.T.B., M.A., R.G., M.N.V.R.K.), and Department of Biological Sciences (M.A., R.G., M.N.V.R.K.), The University of Alabama, Tuscaloosa, Alabama; Section of Immunology, Allergy and Rheumatology, Department of Medicine, Biology of Inflammation Baylor College of Medicine, One Baylor Plaza, Houston, Texas (S.K.A.); Department of Biomedical Engineering, University of Houston, Houston, Texas (C.M.); Chemical and Biological Engineering, University of Alabama, Tuscaloosa, Alabama (M.N.V.R.K.); and Center for Free Radical Biology (M.N.V.R.K.) and Nephrology Research and Training Center, Division of Nephrology, Department of Medicine (M.N.V.R.K.), University of Alabama at Birmingham, Birmingham, Alabama
| | - S K Agarwal
- The Center for Convergent Bioscience and Medicine (CCBM) (K.T.B., M.A., R.G., M.N.V.R.K.), Division of Translational Science and Medicine, College of Community Health Sciences (K.T.B., M.A., R.G., M.N.V.R.K.), Alabama Life Research Institute (K.T.B., M.A., R.G., M.N.V.R.K.), and Department of Biological Sciences (M.A., R.G., M.N.V.R.K.), The University of Alabama, Tuscaloosa, Alabama; Section of Immunology, Allergy and Rheumatology, Department of Medicine, Biology of Inflammation Baylor College of Medicine, One Baylor Plaza, Houston, Texas (S.K.A.); Department of Biomedical Engineering, University of Houston, Houston, Texas (C.M.); Chemical and Biological Engineering, University of Alabama, Tuscaloosa, Alabama (M.N.V.R.K.); and Center for Free Radical Biology (M.N.V.R.K.) and Nephrology Research and Training Center, Division of Nephrology, Department of Medicine (M.N.V.R.K.), University of Alabama at Birmingham, Birmingham, Alabama
| | - C Mohan
- The Center for Convergent Bioscience and Medicine (CCBM) (K.T.B., M.A., R.G., M.N.V.R.K.), Division of Translational Science and Medicine, College of Community Health Sciences (K.T.B., M.A., R.G., M.N.V.R.K.), Alabama Life Research Institute (K.T.B., M.A., R.G., M.N.V.R.K.), and Department of Biological Sciences (M.A., R.G., M.N.V.R.K.), The University of Alabama, Tuscaloosa, Alabama; Section of Immunology, Allergy and Rheumatology, Department of Medicine, Biology of Inflammation Baylor College of Medicine, One Baylor Plaza, Houston, Texas (S.K.A.); Department of Biomedical Engineering, University of Houston, Houston, Texas (C.M.); Chemical and Biological Engineering, University of Alabama, Tuscaloosa, Alabama (M.N.V.R.K.); and Center for Free Radical Biology (M.N.V.R.K.) and Nephrology Research and Training Center, Division of Nephrology, Department of Medicine (M.N.V.R.K.), University of Alabama at Birmingham, Birmingham, Alabama
| | - M N V Ravi Kumar
- The Center for Convergent Bioscience and Medicine (CCBM) (K.T.B., M.A., R.G., M.N.V.R.K.), Division of Translational Science and Medicine, College of Community Health Sciences (K.T.B., M.A., R.G., M.N.V.R.K.), Alabama Life Research Institute (K.T.B., M.A., R.G., M.N.V.R.K.), and Department of Biological Sciences (M.A., R.G., M.N.V.R.K.), The University of Alabama, Tuscaloosa, Alabama; Section of Immunology, Allergy and Rheumatology, Department of Medicine, Biology of Inflammation Baylor College of Medicine, One Baylor Plaza, Houston, Texas (S.K.A.); Department of Biomedical Engineering, University of Houston, Houston, Texas (C.M.); Chemical and Biological Engineering, University of Alabama, Tuscaloosa, Alabama (M.N.V.R.K.); and Center for Free Radical Biology (M.N.V.R.K.) and Nephrology Research and Training Center, Division of Nephrology, Department of Medicine (M.N.V.R.K.), University of Alabama at Birmingham, Birmingham, Alabama
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Otake H, Nagai N. [Development of Transdermal Formulation Based on Nanotechnology and Elucidation of Its Drug Delivery Pathways]. YAKUGAKU ZASSHI 2024; 144:505-510. [PMID: 38692925 DOI: 10.1248/yakushi.23-00178-1] [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: 05/03/2024]
Abstract
Transdermal drug delivery is a formulation in which the drug is absorbed through the skin for systemic action. Its advantages include avoidance of first-pass effects, sustained drug supply, and ease of administration and discontinuation. Drugs administered transdermally transfer into the blood circulation through the stratum corneum, epidermis, and dermis. The stratum corneum on the skin surface plays a barrier function in skin absorption. Therefore, developing of transdermal drug delivery systems requires innovations that overcome the barrier function of the stratum corneum and improve skin permeation. This review examines the usefulness of transdermal formulations based on solid nanoparticles using raloxifene. Milled raloxifene was gelled with (mRal-NPs) or without menthol (Ral-NPs) using Carbopol. The drug release and transdermal penetration were measured using a Franz diffusion cell, and the therapeutic evaluation of osteoporosis was determined in an ovariectomized rat model. Although the raloxifene released from Ral-NPs remained in the nanoparticle state, the skin penetration of raloxifene nanoparticles was prevented by the stratum corneum in rat. The inclusion of menthol in the formulation attenuated the barrier function of the stratum corneum and permitted raloxifene nanoparticles to penetrate through the skin. Moreover, macropinocytosis relates to the formulation's skin penetration, including menthol (mRal-NPs). Applying mRal-NPs attenuated the decreases in calcium level and stiffness of bones of ovariectomized rats. This information can support future studies aimed at designing novel transdermal formulations.
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Hoang TA, Cao E, Gracia G, Nicolazzo JA, Trevaskis NL. Development and application of a novel cervical lymph collection method to assess lymphatic transport in rats. Front Pharmacol 2023; 14:1111617. [PMID: 36744256 PMCID: PMC9895367 DOI: 10.3389/fphar.2023.1111617] [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: 11/29/2022] [Accepted: 01/09/2023] [Indexed: 01/22/2023] Open
Abstract
Background: Fluids, solutes and immune cells have been demonstrated to drain from the brain and surrounding structures to the cervical lymph vessels and nodes in the neck via meningeal lymphatics, nasal lymphatics and/or lymphatic vessels associated with cranial nerves. A method to cannulate the efferent cervical lymph duct for continuous cervical lymph fluid collection in rodents has not been described previously and would assist in evaluating the transport of molecules and immune cells from the head and brain via the lymphatics, as well as changes in lymphatic transport and lymph composition with different physiological challenges or diseases. Aim: To develop a novel method to cannulate and continuously collect lymph fluid from the cervical lymph duct in rats and to analyze the protein, lipid and immune cell composition of the collected cervical lymph fluid. Methods: Male Sprague-Dawley rats were cannulated at the carotid artery with or without cannulation or ligation at the cervical lymph duct. Samples of blood, whole lymph and isolated lipoprotein fractions of lymph were collected and analyzed for lipid and protein composition using commercial kits. Whole lymph samples were centrifuged and isolated pellets were stained and processed for flow cytometry analysis of CD3+, CD4+, CD8a+, CD45R+ (B220) and viable cell populations. Results: Flow rate, phospholipid, triglyceride, cholesterol ester, free cholesterol and protein concentrations in cervical lymph were 0.094 ± 0.014 mL/h, 0.34 ± 0.10, 0.30 ± 0.04, 0.07 ± 0.02, 0.02 ± 0.01 and 16.78 ± 2.06 mg/mL, respectively. Protein was mostly contained within the non-lipoprotein fraction but all lipoprotein types were also present. Flow cytometry analysis of cervical lymph showed that 67.1 ± 7.4% of cells were CD3+/CD4+ T lymphocytes, 5.8 ± 1.6% of cells were CD3+/CD8+ T lymphocytes, and 10.8 ± 4.6% of cells were CD3-/CD45R+ B lymphocytes. The remaining 16.3 ± 4.6% cells were CD3-/CD45- and identified as non-lymphocytes. Conclusion: Our novel cervical lymph cannulation method enables quantitative analysis of the lymphatic transport of immune cells and molecules in the cervical lymph of rats for the first time. This valuable tool will enable more detailed quantitative analysis of changes to cervical lymph composition and transport in health and disease, and could be a valuable resource for discovery of biomarkers or therapeutic targets in future studies.
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Nanomaterial-Based Drug Delivery System Targeting Lymph Nodes. Pharmaceutics 2022; 14:pharmaceutics14071372. [PMID: 35890268 PMCID: PMC9325242 DOI: 10.3390/pharmaceutics14071372] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 05/28/2022] [Accepted: 06/22/2022] [Indexed: 02/06/2023] Open
Abstract
The lymphatic system plays an indispensable role in humoral balance, lipid metabolism, and immune regulation. The lymph nodes (LNs) are known as the primary sites of tumor metastasis and the metastatic LNs largely affected the prognosis of the patiens. A well-designed lymphatic-targeted system favors disease treatment as well as vaccination efficacy. In recent years, development of nanotechnologies and emerging biomaterials have gained increasing attention in developing lymph-node-targeted drug-delivery systems. By mimicking the endogenous macromolecules or lipid conjugates, lymph-node-targeted nanocarries hold potential for disease diagnosis and tumor therapy. This review gives an introduction to the physiological functions of LNs and the roles of LNs in diseases, followed by a review of typical lymph-node-targeted nanomaterial-based drug-delivery systems (e.g., liposomes, micelles, inorganic nanomaterials, hydrogel, and nanocapsules). Future perspectives and conclusions concerned with lymph-node-targeted drug-delivery systems are also provided.
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7
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Yoon SY, Detmar M. Sostdc1 Secreted from Cutaneous Lymphatic Vessels Acts as a Paracrine Factor for Hair Follicle Growth. Curr Issues Mol Biol 2022; 44:2167-2174. [PMID: 35678675 PMCID: PMC9164032 DOI: 10.3390/cimb44050146] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 05/08/2022] [Accepted: 05/11/2022] [Indexed: 01/17/2023] Open
Abstract
In our previous study, we found that lymphatic vessels stimulate hair follicle growth through paracrine effects on dermal papilla cells. However, the paracrine factors secreted from cutaneous lymphatic vessels that can activate dermal papilla cells are still unknown. In this study, we investigated whether lymphatic endothelial cells might secrete paracrine factors that activate dermal papilla cells in vitro. We found that Sostdc1 was more expressed in lymphatic endothelial cells compared with blood vascular endothelial cells. In addition, Sostdc1 expression levels were significantly increased during the anagen phase in the back skin of C57BL/6J mice, as compared to the telogen phase. We also observed that incubation of dermal papilla cells with 200 ng/mL Sostdc1 for 72 h induced the expression levels of Lef-1, a downstream target of Wnt signaling. Taken together, our results reveal that Sostdc1, a BMP antagonist, secreted from cutaneous lymphatic vessels, may act as a paracrine factor for hair follicle growth.
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Affiliation(s)
- Sun-Young Yoon
- Department of Cosmetic Science, Kwangju Women’s University, Gwangju 62396, Korea
| | - Michael Detmar
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology, ETH Zurich, 8093 Zurich, Switzerland
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8
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Qi S, Wang X, Chang K, Shen W, Yu G, Du J. The bright future of nanotechnology in lymphatic system imaging and imaging-guided surgery. J Nanobiotechnology 2022; 20:24. [PMID: 34991595 PMCID: PMC8740484 DOI: 10.1186/s12951-021-01232-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 12/28/2021] [Indexed: 12/23/2022] Open
Abstract
Lymphatic system is identified the second vascular system after the blood circulation in mammalian species, however the research on lymphatic system has long been hampered by the lack of comprehensive imaging modality. Nanomaterials have shown the potential to enhance the quality of lymphatic imaging due to the unparalleled advantages such as the specific passive targeting and efficient co-delivery of cocktail to peripheral lymphatic system, ease molecular engineering for precise active targeting and prolonged retention in the lymphatic system of interest. Multimodal lymphatic imaging based on nanotechnology provides a complementary means to understand the kinetics of lymphoid tissues and quantify its function. In this review, we introduce the established approaches of lymphatic imaging used in clinic and summarize their strengths and weaknesses, and list the critical influence factors on lymphatic imaging. Meanwhile, the recent developments in the field of pre-clinical lymphatic imaging are discussed to shed new lights on the design of new imaging agents, the improvement of delivery methods and imaging-guided surgery strategies.
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Affiliation(s)
- Shaolong Qi
- Key Laboratory & Engineering Laboratory of Lymphatic Surgery Jilin Province, China-Japan Union Hospital of Jilin University, Changchun, 130031, People's Republic of China.,Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing, 100084, People's Republic of China
| | - Xinyu Wang
- Key Laboratory & Engineering Laboratory of Lymphatic Surgery Jilin Province, China-Japan Union Hospital of Jilin University, Changchun, 130031, People's Republic of China
| | - Kun Chang
- Department of Lymphology, Beijing Shijitan Hospital, Capital Medical University, Beijing, 100038, People's Republic of China
| | - Wenbin Shen
- Department of Lymphology, Beijing Shijitan Hospital, Capital Medical University, Beijing, 100038, People's Republic of China
| | - Guocan Yu
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing, 100084, People's Republic of China.
| | - Jianshi Du
- Key Laboratory & Engineering Laboratory of Lymphatic Surgery Jilin Province, China-Japan Union Hospital of Jilin University, Changchun, 130031, People's Republic of China.
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Abstract
Adipose tissue, once thought to be an inert receptacle for energy storage, is now recognized as a complex tissue with multiple resident cell populations that actively collaborate in response to diverse local and systemic metabolic, thermal, and inflammatory signals. A key participant in adipose tissue homeostasis that has only recently captured broad scientific attention is the lymphatic vasculature. The lymphatic system's role in lipid trafficking and mediating inflammation makes it a natural partner in regulating adipose tissue, and evidence supporting a bidirectional relationship between lymphatics and adipose tissue has accumulated in recent years. Obesity is now understood to impair lymphatic function, whereas altered lymphatic function results in aberrant adipose tissue deposition, though the molecular mechanisms governing these phenomena have yet to be fully elucidated. We will review our current understanding of the relationship between adipose tissue and the lymphatic system here, focusing on known mechanisms of lymphatic-adipose crosstalk.
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Affiliation(s)
- Gregory P Westcott
- Division of Endocrinology, Diabetes, and Metabolism, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
- Joslin Diabetes Center, Boston, MA 02215, USA
- Harvard Medical School, Boston, MA 02215, USA
| | - Evan D Rosen
- Division of Endocrinology, Diabetes, and Metabolism, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
- Harvard Medical School, Boston, MA 02215, USA
- Broad Institute, Cambridge, MA 02142, USA
- Correspondence: Evan D. Rosen, MD, PhD, Division of Endocrinology, Diabetes, and Metabolism, Beth Israel Deaconess Medical Center, 330 Brookline Avenue, Boston, MA 02215, USA.
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10
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Olmeda D, Cerezo-Wallis D, Castellano-Sanz E, García-Silva S, Peinado H, Soengas MS. Physiological models for in vivo imaging and targeting the lymphatic system: Nanoparticles and extracellular vesicles. Adv Drug Deliv Rev 2021; 175:113833. [PMID: 34147531 DOI: 10.1016/j.addr.2021.113833] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 05/24/2021] [Accepted: 06/11/2021] [Indexed: 02/06/2023]
Abstract
Imaging of the lymphatic vasculature has gained great attention in various fields, not only because lymphatic vessels act as a key draining system in the body, but also for their implication in autoimmune diseases, organ transplant, inflammation and cancer. Thus, neolymphangiogenesis, or the generation of new lymphatics, is typically an early event in the development of multiple tumor types, particularly in aggressive ones such as malignant melanoma. Still, the understanding of how lymphatic endothelial cells get activated at distal (pre)metastatic niches and their impact on therapy is still unclear. Addressing these questions is of particular interest in the case of immune modulators, because endothelial cells may favor or halt inflammatory processes depending on the cellular context. Therefore, there is great interest in visualizing the lymphatic vasculature in vivo. Here, we review imaging tools and mouse models used to analyze the lymphatic vasculature during tumor progression. We also discuss therapeutic approaches based on nanomedicines to target the lymphatic system and the potential use of extracellular vesicles to track and target sentinel lymph nodes. Finally, we summarize main pre-clinical models developed to visualize the lymphatic vasculature in vivo, discussing their applications with a particular focus in metastatic melanoma.
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Affiliation(s)
- David Olmeda
- Melanoma Laboratory, Molecular Oncology Programme, Spanish National Cancer Research Center (CNIO), Madrid, Spain
| | - Daniela Cerezo-Wallis
- Melanoma Laboratory, Molecular Oncology Programme, Spanish National Cancer Research Center (CNIO), Madrid, Spain; Area of Cell & Developmental Biology, Centro Nacional de Investigaciones Cardiovasculares Carlos III, Madrid, 28029, Spain
| | - Elena Castellano-Sanz
- Microenvironment and Metastasis Laboratory, Molecular Oncology Programme, Spanish National Cancer Research Center (CNIO), Madrid, Spain
| | - Susana García-Silva
- Microenvironment and Metastasis Laboratory, Molecular Oncology Programme, Spanish National Cancer Research Center (CNIO), Madrid, Spain
| | - Héctor Peinado
- Microenvironment and Metastasis Laboratory, Molecular Oncology Programme, Spanish National Cancer Research Center (CNIO), Madrid, Spain.
| | - María S Soengas
- Melanoma Laboratory, Molecular Oncology Programme, Spanish National Cancer Research Center (CNIO), Madrid, Spain.
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11
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Peng X, Wang J, Zhou F, Liu Q, Zhang Z. Nanoparticle-based approaches to target the lymphatic system for antitumor treatment. Cell Mol Life Sci 2021; 78:5139-5161. [PMID: 33963442 PMCID: PMC11072902 DOI: 10.1007/s00018-021-03842-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 03/14/2021] [Accepted: 04/16/2021] [Indexed: 02/07/2023]
Abstract
Immunotherapies have been established as safe and efficient modalities for numerous tumor treatments. The lymphatic system, which is an important system, can modulate the immune system via a complex network, which includes lymph nodes, vessels, and lymphocytes. With the deepening understanding of tumor immunology, a plethora of immunotherapies, which include vaccines, photothermal therapy, and photodynamic therapy, have been established for antitumor treatments. However, the deleterious off-target effects and nonspecific targeting of therapeutic agents result in low efficacy of immunotherapy. Fortunately, nanoparticle-based approaches for targeting the lymphatic system afford a unique opportunity to manufacture drugs that can simultaneously tackle both aspects, thereby improving tumor treatments. Over the past decades, great strides have been made in the development of DC vaccines and nanomedicine as antitumor treatments in the field of lymphatic therapeutics and diagnosis. In this review, we summarize the current strategies through which nanoparticle technology has been designed to target the lymphatic system and describe applications of lymphatic imaging for the diagnosis and image-guided surgery of tumor metastasis. Moreover, improvements in the tumor specificity of nanovaccines and medicines, which have been realized through targeting or stimulating the lymphatic system, can provide amplified antitumor immune responses and reduce side effects, thereby promoting the paradigm of antitumor treatment into the clinic to benefit patients.
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Affiliation(s)
- Xingzhou Peng
- School of Biomedical Engineering, Hainan University, Haikou, 570228, Hainan, China
| | - Junjie Wang
- Britton Chance Center and MoE Key Laboratory for Biomedical Photonics, School of Engineering Sciences, Wuhan National Laboratory for Optoelectronics-Huazhong University of Science and Technology, Wuhan, 430074, Hubei, China
| | - Feifan Zhou
- School of Biomedical Engineering, Hainan University, Haikou, 570228, Hainan, China
| | - Qian Liu
- School of Biomedical Engineering, Hainan University, Haikou, 570228, Hainan, China.
| | - Zhihong Zhang
- School of Biomedical Engineering, Hainan University, Haikou, 570228, Hainan, China.
- Britton Chance Center and MoE Key Laboratory for Biomedical Photonics, School of Engineering Sciences, Wuhan National Laboratory for Optoelectronics-Huazhong University of Science and Technology, Wuhan, 430074, Hubei, China.
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12
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Energy-Dependent Endocytosis Is Responsible for Skin Penetration of Formulations Based on a Combination of Indomethacin Nanoparticles and l-Menthol in Rat and Göttingen Minipig. Int J Mol Sci 2021; 22:ijms22105137. [PMID: 34066280 PMCID: PMC8152063 DOI: 10.3390/ijms22105137] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 05/10/2021] [Accepted: 05/11/2021] [Indexed: 11/26/2022] Open
Abstract
We previously designed a Carbopol gel formulation (N-IND/MEN) based on a combination of indomethacin solid nanoparticles (IND-NPs) and l-menthol, and we reported that the N-IND/MEN showed high transdermal penetration. However, the detailed mechanism for transdermal penetration of IND-NPs was not clearly defined. In this study, we investigated whether endocytosis in the skin tissue of rat and Göttingen minipig is related to the transdermal penetration of IND-NPs using pharmacological inhibitors of endocytosis. The pharmacological inhibitors used in this study are as follows: 54 µM nystatin, a caveolae-mediated endocytosis (CavME) inhibitor; 40 µM dynasore, a clathrin-mediated endocytosis (CME) inhibitor; and 2 µM rottlerin, a micropinocytosis (MP) inhibitor. The N-IND/MEN was prepared by a bead mill method, and the particle size of solid indomethacin was 79–216 nm. In both rat and Göttingen minipig skin, skin penetration of approximately 80% IND-NPs was limited by the stratum corneum (SC), although the penetration of SC was improved by the combination of l-menthol. On the other hand, the treatment of nystatin and dynasore decreased the transdermal penetration of indomethacin in rats and Göttingen minipigs treated with N-IND/MEN. Moreover, in addition to nystatin and dynasore, rottlerin attenuated the transdermal penetration of IND-NPs in the Göttingen minipigs’ skin. In conclusion, we found that l-menthol enhanced the SC penetration of IND-NPs. In addition, this study suggests that the SC-passed IND-NPs are absorbed into the skin tissue by energy-dependent endocytosis (CavME, CME, and/or MP pathways) on the epidermis under the SC, resulting in an enhancement in transdermal penetration of IND-NPs. These findings provide significant information for the design of nanomedicines in transdermal formulations.
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13
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Polomska AK, Proulx ST. Imaging technology of the lymphatic system. Adv Drug Deliv Rev 2021; 170:294-311. [PMID: 32891679 DOI: 10.1016/j.addr.2020.08.013] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 07/16/2020] [Accepted: 08/31/2020] [Indexed: 12/17/2022]
Abstract
The lymphatic system plays critical roles in tissue fluid homeostasis and immunity and has been implicated in the development of many different pathologies, ranging from lymphedema, the spread of cancer to chronic inflammation. In this review, we first summarize the state-of-the-art of lymphatic imaging in the clinic and the advantages and disadvantages of these existing techniques. We then detail recent progress on imaging technology, including advancements in tracer design and injection methods, that have allowed visualization of lymphatic vessels with excellent spatial and temporal resolution in preclinical models. Finally, we describe the different approaches to quantifying lymphatic function that are being developed and discuss some emerging topics for lymphatic imaging in the clinic. Continued advancements in lymphatic imaging technology will be critical for the optimization of diagnostic methods for lymphatic disorders and the evaluation of novel therapies targeting the lymphatic system.
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Affiliation(s)
- Anna K Polomska
- ETH Zürich, Institute of Pharmaceutical Sciences, Vladimir-Prelog Weg 1-5/10, 8093 Zürich, Switzerland
| | - Steven T Proulx
- University of Bern, Theodor Kocher Institute, Freiestrasse 1, 3012 Bern, Switzerland.
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14
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Abstract
The use of eye drops is a well-established practice in the treatment of ophthalmic diseases, although the bioavailability of traditional eye drops, which are either solutions or suspensions, is insufficient, as the corneal barrier and dilution by lacrimation prevent the transcorneal penetration of drugs. Additionally, frequent instillation may cause undesirable systemic side effects and local corneal toxicity. To overcome these problems, micro- and nanoparticles, hydrogels, and viscous solutions have been tested, and solid nanoparticles are also expected to be applied. This review examines the usefulness of ophthalmic formulations based on solid nanoparticles, by using the specific example of indomethacin (IMC). Ophthalmic formulations based on solid IMC nanoparticles (IMC-NP dispersions) have been prepared using various additives (benzalkonium chloride, mannitol, methylcellulose, and cyclodextrin) and a rotation/revolution pulverizer (NP-100), to produce particles of 50-220 nm in size. The solubility of IMC in IMC-NP dispersions was 4.18-fold higher than that in the suspensions containing IMC microparticles (IMC-MP suspensions), and IMC-NP dispersions were better tolerated than commercially available NSAIDs eye drops, such as IMC, pranoprofen, diclofenac, bromfenac, and nepafenac eyedrops, in human corneal epithelial cells. Moreover, the corneal penetration in IMC-NP dispersions was higher than that in commercially available IMC and IMC-MP suspensions, and three energy-dependent endocytosis pathways (clathrin-dependent endocytosis, caveolae-dependent endocytosis, and macropinocytosis) were related to the high ophthalmic bioavailability of IMC-NP dispersions. This information can be used to support future studies aimed at designing novel ophthalmic formulations.
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15
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Permana AD, Nainu F, Moffatt K, Larrañeta E, Donnelly RF. Recent advances in combination of microneedles and nanomedicines for lymphatic targeted drug delivery. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2021; 13:e1690. [PMID: 33401339 DOI: 10.1002/wnan.1690] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 11/17/2020] [Accepted: 11/18/2020] [Indexed: 12/19/2022]
Abstract
Numerous diseases have been reported to affect the lymphatic system. As such, several strategies have been developed to deliver chemotherapeutics to this specific network of tissues and associated organs. Nanotechnology has been exploited as one of the main approaches to improve the lymphatic uptake of drugs. Different nanoparticle approaches utilized for both active and passive targeting of the lymphatic system are discussed here. Specifically, due to the rich abundance of lymphatic capillaries in the dermis, particular attention is given to this route of administration, as intradermal administration could potentially result in higher lymphatic uptake compared to other routes of administration. Recently, progress in microneedle research has attracted particular attention as an alternative for the use of conventional hypodermic injections. The benefits of microneedles, when compared to intradermal injection, are subsequently highlighted. Importantly, microneedles exhibit particular benefit in relation to therapeutic targeting of the lymphatic system, especially when combined with nanoparticles, which are further discussed. However, despite the apparent benefits provided by this combination approach, further comprehensive preclinical and clinical studies are now necessary to realize the potential extent of this dual-delivery platform, further taking into consideration eventual usability and acceptability in the intended patient end-users. This article is categorized under: Therapeutic Approaches and Drug Discovery > Emerging Technologies Nanotechnology Approaches to Biology > Nanoscale Systems in Biology.
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Affiliation(s)
| | - Firzan Nainu
- Faculty of Pharmacy, Hasanuddin University, Makassar, Indonesia
| | - Kurtis Moffatt
- School of Pharmacy, Queen's University Belfast, Belfast, UK
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16
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Wu C, Li H, Zhang P, Tian C, Luo J, Zhang W, Bhandari S, Jin S, Hao Y. Lymphatic Flow: A Potential Target in Sepsis-Associated Acute Lung Injury. J Inflamm Res 2020; 13:961-968. [PMID: 33262632 PMCID: PMC7695606 DOI: 10.2147/jir.s284090] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Accepted: 11/10/2020] [Indexed: 12/21/2022] Open
Abstract
Sepsis is life-threatening organ dysfunction caused by an imbalance in the body’s response to infection and acute lung injury (ALI) related to sepsis is a common complication. The rapid morbidity and high mortality associated with sepsis is a significant clinical problem facing critical care medicine. Inflammation plays a vital role in the occurrence of sepsis. Notably, the body produces different immune cells and pro-inflammatory factors to clear pathogens. However, excessive inflammation can damage multiple tissues and organs when it fails to resolve in time. Additionally, lymphatic vessels could effectively transfer inflammatory cells and factors away from tissues and into blood circulation, thereby reducing damage, and promoting the resolution of inflammation. Therefore, any dysfunction and/or destruction of the lymphatic system may result in lymphedema followed by inflammatory storms and eventual sepsis. Consequently, the present study aimed to review and highlight the role of lymphatic vessels in related body tissues and organs during sepsis and other associated diseases.
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Affiliation(s)
- Chenghua Wu
- Department of Anaesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Hui Li
- Department of Anaesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China.,Key Laboratory of Anaesthesiology of Zhejiang Province, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Puhong Zhang
- Department of Anaesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Chao Tian
- Department of Anaesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Jun Luo
- Department of Anaesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Wenyan Zhang
- Department of Anaesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Suwas Bhandari
- Department of Anaesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Shengwei Jin
- Department of Anaesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Yu Hao
- Department of Anaesthesia and Critical Care, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
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17
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Bachmann SB, Gsponer D, Montoya-Zegarra JA, Schneider M, Scholkmann F, Tacconi C, Noerrelykke SF, Proulx ST, Detmar M. A Distinct Role of the Autonomic Nervous System in Modulating the Function of Lymphatic Vessels under Physiological and Tumor-Draining Conditions. Cell Rep 2020; 27:3305-3314.e13. [PMID: 31189113 PMCID: PMC6581737 DOI: 10.1016/j.celrep.2019.05.050] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 02/22/2019] [Accepted: 05/15/2019] [Indexed: 11/19/2022] Open
Abstract
Lymphatic vessels (LVs) are important in the regulation of tissue fluid homeostasis and the pathogenesis of tumor progression. We investigated the innervation of LVs and the response to agonists and antagonists of the autonomic nervous system in vivo. While skin-draining collecting LVs express muscarinic, α1- and β2-adrenergic receptors on lymphatic endothelial cells and smooth muscle cells, intestinal lacteals express only β-adrenergic receptors and muscarinic receptors on their smooth muscle cells. Quantitative in vivo near-infrared imaging of the exposed flank-collecting LV revealed that muscarinic and α1-adrenergic agonists increased LV contractility, whereas activation of β2-adrenergic receptors inhibited contractility and initiated nitric oxide (NO)-dependent vasodilation. Tumor-draining LVs were expanded and showed a higher innervation density and contractility that was reduced by treatment with atropine, phentolamine, and, most potently, isoproterenol. These findings likely have clinical implications given the impact of lymphatic fluid drainage on intratumoral fluid pressure and thus drug delivery. Murine lymphatic vessels are innervated in an organ-specific manner α1-adrenergic and muscarinic agents enhance lymphatic contractility in vivo β2-adrenergic agents reduce lymphatic contractility Tumor-draining lymphatic vessels have increased innervation and contractility
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Affiliation(s)
- Samia B Bachmann
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology, ETH Zurich, 8093 Zurich, Switzerland
| | - Denise Gsponer
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology, ETH Zurich, 8093 Zurich, Switzerland
| | | | - Martin Schneider
- Institute for Biomedical Engineering, ETH Zurich and University of Zurich, 8093 Zurich, Switzerland
| | - Felix Scholkmann
- Biomedical Optics Research Laboratory, Department of Neonatology, University Hospital Zurich, University of Zurich, 8091 Zurich, Switzerland
| | - Carlotta Tacconi
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology, ETH Zurich, 8093 Zurich, Switzerland
| | - Simon F Noerrelykke
- ScopeM, Swiss Federal Institute of Technology, ETH Zurich, 8093 Zurich, Switzerland
| | - Steven T Proulx
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology, ETH Zurich, 8093 Zurich, Switzerland
| | - Michael Detmar
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology, ETH Zurich, 8093 Zurich, Switzerland.
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18
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Gracia G, Cao E, Feeney OM, Johnston APR, Porter CJH, Trevaskis NL. High-Density Lipoprotein Composition Influences Lymphatic Transport after Subcutaneous Administration. Mol Pharm 2020; 17:2938-2951. [DOI: 10.1021/acs.molpharmaceut.0c00348] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Gracia Gracia
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne 3052, Australia
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne 3052, Australia
| | - Enyuan Cao
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne 3052, Australia
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne 3052, Australia
| | - Orlagh M. Feeney
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne 3052, Australia
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne 3052, Australia
| | - Angus P. R. Johnston
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne 3052, Australia
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne 3052, Australia
| | - Christopher J. H. Porter
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne 3052, Australia
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne 3052, Australia
| | - Natalie L. Trevaskis
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne 3052, Australia
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19
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Yoon SY, Dieterich LC, Karaman S, Proulx ST, Bachmann SB, Sciaroni C, Detmar M. An important role of cutaneous lymphatic vessels in coordinating and promoting anagen hair follicle growth. PLoS One 2019; 14:e0220341. [PMID: 31344105 PMCID: PMC6657912 DOI: 10.1371/journal.pone.0220341] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Accepted: 07/12/2019] [Indexed: 01/13/2023] Open
Abstract
The lymphatic vascular system plays important roles in the control of tissue fluid homeostasis and immune responses. While VEGF-A-induced angiogenesis promotes hair follicle (HF) growth, the potential role of lymphatic vessels (LVs) in HF cycling has remained unknown. In this study, we found that LVs are localized in close proximity to the HF bulge area throughout the postnatal and depilation-induced hair cycle in mice and that a network of LVs directly connects the individual HFs. Increased LV density in the skin of K14-VEGF-C transgenic mice was associated with prolongation of anagen HF growth. Conversely, HF entry into the catagen phase was accelerated in K14-sVEGFR3 transgenic mice that lack cutaneous LVs. Importantly, repeated intradermal injections of VEGF-C promoted hair growth in mice. Conditioned media from lymphatic endothelial cells promoted human dermal papilla cell (DPC) growth and expression of IGF-1 and alkaline phosphatase, both activators of DPCs. Our results reveal an unexpected role of LVs in coordinating and promoting HF growth and identify potential new therapeutic strategies for hair loss-associated conditions.
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Affiliation(s)
- Sun-Young Yoon
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology, ETH Zurich, Zurich, Switzerland
- School of Pharmacy, Sungkyunkwan University, Suwon, Republic of Korea
| | - Lothar C. Dieterich
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology, ETH Zurich, Zurich, Switzerland
| | - Sinem Karaman
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology, ETH Zurich, Zurich, Switzerland
| | - Steven T. Proulx
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology, ETH Zurich, Zurich, Switzerland
| | - Samia B. Bachmann
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology, ETH Zurich, Zurich, Switzerland
| | - Carol Sciaroni
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology, ETH Zurich, Zurich, Switzerland
| | - Michael Detmar
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology, ETH Zurich, Zurich, Switzerland
- * E-mail:
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20
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Bachmann SB, Proulx ST, He Y, Ries M, Detmar M. Differential effects of anaesthesia on the contractility of lymphatic vessels
in vivo. J Physiol 2019; 597:2841-2852. [DOI: 10.1113/jp277254] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Accepted: 02/18/2019] [Indexed: 12/26/2022] Open
Affiliation(s)
- Samia B. Bachmann
- Institute of Pharmaceutical SciencesSwiss Federal Institute of Technology ETH Zurich Switzerland
| | - Steven T. Proulx
- Institute of Pharmaceutical SciencesSwiss Federal Institute of Technology ETH Zurich Switzerland
| | - Yuliang He
- Institute of Pharmaceutical SciencesSwiss Federal Institute of Technology ETH Zurich Switzerland
| | - Miriam Ries
- Institute of Pharmaceutical SciencesSwiss Federal Institute of Technology ETH Zurich Switzerland
| | - Michael Detmar
- Institute of Pharmaceutical SciencesSwiss Federal Institute of Technology ETH Zurich Switzerland
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21
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Nagai N, Ogata F, Otake H, Nakazawa Y, Kawasaki N. Energy-dependent endocytosis is responsible for drug transcorneal penetration following the instillation of ophthalmic formulations containing indomethacin nanoparticles. Int J Nanomedicine 2019; 14:1213-1227. [PMID: 30863055 PMCID: PMC6391158 DOI: 10.2147/ijn.s196681] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Purpose We previously found that ophthalmic formulations containing nanoparticles prepared by a bead mill method lead to an increase in bioavailability in comparison with traditional formulations (solution type). However, the transcorneal penetration pathway for ophthalmic formulations has not been explained yet. In this study, we investigated the mechanism of transcorneal penetration in the application of ophthalmic formulations containing indomethacin nanoparticles (IMC-NPs). Materials and methods IMC-NPs was prepared by the bead mill method. For the analysis of energy-dependent endocytosis, corneal epithelial (HCE-T) cell monolayers and removed rabbit cornea were thermoregulated at 4°C, where energy-dependent endocytosis is inhibited. In addition, for the analysis of different endocytosis pathways using pharmacological inhibitors, inhibitors of caveolae-mediated endocytosis (54 µM nystatin), clathrin-mediated endocytosis (40 µM dynasore), macropinocytosis (2 µM rottlerin) or phagocytosis (10 µM cytochalasin D) were used. Results The ophthalmic formulations containing 35–200 nm sized indomethacin nanoparticles were prepared by treatment with a bead mill, and no aggregation or degradation of indomethacin was observed in IMC-NPs. The transcorneal penetration of indomethacin was significantly decreased by the combination of nystatin, dynasore and rottlerin, and the decreased penetration levels were similar to those at 4°C in HCE-T cell monolayers and rabbit cornea. In the in vivo experiments using rabbits, dynasore and rottlerin tended to decrease the transcorneal penetration of indomethacin (area under the drug concentration – time curve in the aqueous humor [AUCAH]), and the AUCAH in the nystatin-treated rabbit was significantly lower than that in non-treatment group. In addition, the AUCAH in rabbit corneas undergoing multi-treatment was obviously lower than that in rabbit corneas treated with each individual endocytosis inhibitor. Conclusion We found that three energy-dependent endocytosis pathways (clathrin-dependent endocytosis, caveolae-dependent endocytosis and macropinocytosis) are related to the trans-corneal penetration of indomethacin nanoparticles. In particular, the caveolae-dependent endocytosis is strongly involved.
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Affiliation(s)
- Noriaki Nagai
- Faculty of Pharmacy, Kindai University, Higashi-Osaka 577-8502, Japan,
| | - Fumihiko Ogata
- Faculty of Pharmacy, Kindai University, Higashi-Osaka 577-8502, Japan,
| | - Hiroko Otake
- Faculty of Pharmacy, Kindai University, Higashi-Osaka 577-8502, Japan,
| | - Yosuke Nakazawa
- Faculty of Pharmacy, Keio University, Minato-ku, Tokyo 105-8512, Japan
| | - Naohito Kawasaki
- Faculty of Pharmacy, Kindai University, Higashi-Osaka 577-8502, Japan,
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22
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Omura S, Kawai E, Sato F, Martinez NE, Minagar A, Al-Kofahi M, Yun JW, Cvek U, Trutschl M, Alexander JS, Tsunoda I. Theiler's Virus-Mediated Immunopathology in the CNS and Heart: Roles of Organ-Specific Cytokine and Lymphatic Responses. Front Immunol 2018; 9:2870. [PMID: 30619258 PMCID: PMC6295469 DOI: 10.3389/fimmu.2018.02870] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Accepted: 11/21/2018] [Indexed: 02/05/2023] Open
Abstract
Theiler's murine encephalomyelitis virus (TMEV) induces different diseases in the central nervous system (CNS) and heart, depending on the mouse strains and time course, with cytokines playing key roles for viral clearance and immune-mediated pathology (immunopathology). In SJL/J mice, TMEV infection causes chronic TMEV-induced demyelinating disease (TMEV-IDD) in the spinal cord about 1 month post-inoculation (p.i.). Unlike other immunopathology models, both pro- and anti-inflammatory cytokines can play dual roles in TMEV-IDD. Pro-inflammatory cytokines play beneficial roles in viral clearance while they are also detrimental in immune-mediated demyelination. Anti-inflammatory cytokines suppress not only protective anti-viral immune responses but also detrimental autoreactive immune responses. Conversely, in C3H mice, TMEV infection induces a non-CNS disease, myocarditis, with three distinctive phases: phase I, viral pathology with interferon and chemokine responses; phase II, immunopathology mediated by acquired immune responses; and phase III, cardiac fibrosis. Although the exact mechanism(s) by which a single virus, TMEV, induces these different diseases in different organs is unclear, our bioinformatics approaches, especially principal component analysis (PCA) of transcriptome data, allow us to identify the key factors contributing to organ-specific immunopathology. The PCA demonstrated that in vitro infection of a cardiomyocyte cell line reproduced the transcriptome profile of phase I in TMEV-induced myocarditis; distinct interferon/chemokine-related responses were induced in vitro in TMEV-infected cardiomyocytes, but not in infected neuronal cells. In addition, the PCA of the in vivo CNS transcriptome data showed that decreased lymphatic marker expressions were weakly associated with inflammation in TMEV infection. Here, dysfunction of lymphatic vessels is shown to potentially contribute to immunopathology by delaying the clearance of cytokines and immune cells from the inflammatory site, although this can also confine the virus at these sites, preventing virus spread via lymphatic vessels. On the other hand, in the heart, dysfunction of lymphatics was associated with reduced lymphatic muscle contractility provoked by pro-inflammatory cytokines. Therefore, TMEV infection may induce different patterns of cytokine expressions as well as lymphatic vessel dysfunction by rather different mechanisms between the CNS and heart, which might explain observed patterns of organ-specific immunopathology.
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Affiliation(s)
- Seiichi Omura
- Department of Microbiology, Kindai University Faculty of Medicine, Osaka, Japan.,Department of Microbiology and Immunology, Center for Molecular and Tumor Virology, Center for Cardiovascular Diseases and Sciences, Louisiana State University Health Sciences Center-Shreveport, Shreveport, LA, United States
| | - Eiichiro Kawai
- Department of Microbiology and Immunology, Center for Molecular and Tumor Virology, Center for Cardiovascular Diseases and Sciences, Louisiana State University Health Sciences Center-Shreveport, Shreveport, LA, United States
| | - Fumitaka Sato
- Department of Microbiology, Kindai University Faculty of Medicine, Osaka, Japan.,Department of Microbiology and Immunology, Center for Molecular and Tumor Virology, Center for Cardiovascular Diseases and Sciences, Louisiana State University Health Sciences Center-Shreveport, Shreveport, LA, United States
| | - Nicholas E Martinez
- Department of Microbiology and Immunology, Center for Molecular and Tumor Virology, Center for Cardiovascular Diseases and Sciences, Louisiana State University Health Sciences Center-Shreveport, Shreveport, LA, United States
| | - Alireza Minagar
- Department of Neurology, Louisiana State University Health Sciences Center-Shreveport, Shreveport, LA, United States
| | - Mahmoud Al-Kofahi
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center-Shreveport, Shreveport, LA, United States
| | - J Winny Yun
- Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center-Shreveport, Shreveport, LA, United States
| | - Urska Cvek
- Department of Computer Science, Louisiana State University Shreveport, Shreveport, LA, United States
| | - Marjan Trutschl
- Department of Computer Science, Louisiana State University Shreveport, Shreveport, LA, United States
| | - J Steven Alexander
- Department of Neurology, Louisiana State University Health Sciences Center-Shreveport, Shreveport, LA, United States.,Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center-Shreveport, Shreveport, LA, United States
| | - Ikuo Tsunoda
- Department of Microbiology, Kindai University Faculty of Medicine, Osaka, Japan.,Department of Microbiology and Immunology, Center for Molecular and Tumor Virology, Center for Cardiovascular Diseases and Sciences, Louisiana State University Health Sciences Center-Shreveport, Shreveport, LA, United States.,Department of Neurology, Louisiana State University Health Sciences Center-Shreveport, Shreveport, LA, United States
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23
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Zheng Z, Ren K, Peng X, Zhu X, Yi G. Lymphatic Vessels: A Potential Approach to the Treatment of Atherosclerosis? Lymphat Res Biol 2018; 16:498-506. [PMID: 30272526 DOI: 10.1089/lrb.2018.0015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Many basic and clinical studies have demonstrated that atherosclerosis is a chronic inflammatory disease. Although there are many factors affecting atherosclerosis, the role of lymphatic vessels in this disease has been neglected. Traditionally, lymphatic vessels have been considered to be passages for transporting interstitial fluid to the blood circulation. However, as early as the last century, researchers found that there are numerous lymphatic vessels surrounding sites of atherosclerosis; however, the relationship between lymphatic vessels and atherosclerosis is not clear. With further research, lymphatic vessels were determined to be involved in the induction and resolution of arterial inflammation and also to play a positive role in plaque cholesterol transport. There are abundant immune cells around atherosclerosis, and these immune cells not only have a significant impact on plaque formation but also affect local lymphangiogenesis (IAL). This promotion of IAL seems to relieve the progression of atherosclerosis. Therefore, research into the relationship between lymphatic vessels and atherosclerosis is of great importance for improving atherosclerosis treatment. This review highlights what is known about the relationship between lymphatic vessels and atherosclerosis, including the effect of immune cells on IAL, and reverse cholesterol transport. In addition, we present some of our views on the improvement of atherosclerosis treatment, which have significant clinical value in research.
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Affiliation(s)
- Zhi Zheng
- Key Lab for Arteriosclerology of Hunan Province, Institute of Cardiovascular Disease, University of South China, Hengyang City, China
| | - Kun Ren
- Key Lab for Arteriosclerology of Hunan Province, Institute of Cardiovascular Disease, University of South China, Hengyang City, China
| | - Xiaoshan Peng
- Key Lab for Arteriosclerology of Hunan Province, Institute of Cardiovascular Disease, University of South China, Hengyang City, China
| | - Xiao Zhu
- Key Lab for Arteriosclerology of Hunan Province, Institute of Cardiovascular Disease, University of South China, Hengyang City, China
| | - Guanghui Yi
- Key Lab for Arteriosclerology of Hunan Province, Institute of Cardiovascular Disease, University of South China, Hengyang City, China
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Pascale F, Bédouet L, Fazel A, Namur J, Ghegediban SH, Cornil IS, Wassef M, Moine L, Laurent A. Lymphatic Transport and Lymph Node Location of Microspheres Subcutaneously Injected in the Vicinity of Tumors in a Rabbit Model of Breast Cancer. Pharm Res 2018; 35:191. [DOI: 10.1007/s11095-018-2474-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Accepted: 08/05/2018] [Indexed: 11/30/2022]
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25
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Nagai N, Ogata F, Ishii M, Fukuoka Y, Otake H, Nakazawa Y, Kawasaki N. Involvement of Endocytosis in the Transdermal Penetration Mechanism of Ketoprofen Nanoparticles. Int J Mol Sci 2018; 19:E2138. [PMID: 30041452 PMCID: PMC6073289 DOI: 10.3390/ijms19072138] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Revised: 07/17/2018] [Accepted: 07/20/2018] [Indexed: 12/14/2022] Open
Abstract
We previously designed a novel transdermal formulation containing ketoprofen solid nanoparticles (KET-NPs formulation), and showed that the skin penetration from the KET-NPs formulation was higher than that of a transdermal formulation containing ketoprofen microparticles (KET-MPs formulation). However, the precise mechanism for the skin penetration from the KET-NPs formulation was not clear. In this study we investigated whether energy-dependent endocytosis relates to the transdermal delivery from a 1.5% KET-NPs formulation. Transdermal formulations were prepared by a bead mill method using additives including methylcellulose and carbopol 934. The mean particle size of the ketoprofen nanoparticles was 98.3 nm. Four inhibitors of endocytosis dissolved in 0.5% DMSO (54 μM nystatin, a caveolae-mediated endocytosis inhibitor; 40 μM dynasore, a clathrin-mediated endocytosis inhibitor; 2 μM rottlerin, a macropinocytosis inhibitor; 10 μM cytochalasin D, a phagocytosis inhibitor) were used in this study. In the transdermal penetration study using a Franz diffusion cell, skin penetration through rat skin treated with cytochalasin D was similar to the control (DMSO) group. In contrast to the results for cytochalasin D, skin penetration from the KET-NPs formulation was significantly decreased by treatment with nystatin, dynasore or rottlerin with penetrated ketoprofen concentration-time curves (AUC) values 65%, 69% and 73% of control, respectively. Furthermore, multi-treatment with all three inhibitors (nystatin, dynasore and rottlerin) strongly suppressed the skin penetration from the KET-NPs formulation with an AUC value 13.4% that of the control. In conclusion, we found that caveolae-mediated endocytosis, clathrin-mediated endocytosis and macropinocytosis are all related to the skin penetration from the KET-NPs formulation. These findings provide significant information for the design of nanomedicines in transdermal formulations.
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Affiliation(s)
- Noriaki Nagai
- Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan.
| | - Fumihiko Ogata
- Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan.
| | - Miyu Ishii
- Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan.
| | - Yuya Fukuoka
- Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan.
| | - Hiroko Otake
- Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan.
| | - Yosuke Nakazawa
- Faculty of Pharmacy, Keio University, 1-5-30 Shibakoen, Minato-ku, Tokyo 105-8512, Japan.
| | - Naohito Kawasaki
- Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan.
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26
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Doh SJ, Yamakawa M, Santosa SM, Montana M, Guo K, Sauer JR, Curran N, Han KY, Yu C, Ema M, Rosenblatt MI, Chang JH, Azar DT. Fluorescent reporter transgenic mice for in vivo live imaging of angiogenesis and lymphangiogenesis. Angiogenesis 2018; 21:677-698. [PMID: 29971641 DOI: 10.1007/s10456-018-9629-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Accepted: 06/26/2018] [Indexed: 12/29/2022]
Abstract
The study of lymphangiogenesis is an emerging science that has revealed the lymphatic system as a central player in many pathological conditions including cancer metastasis, lymphedema, and organ graft rejection. A thorough understanding of the mechanisms of lymphatic growth will play a key role in the development of therapeutic strategies against these conditions. Despite the known potential of this field, the study of lymphatics has historically lagged behind that of hemangiogenesis. Until recently, significant strides in lymphatic studies were impeded by a lack of lymphatic-specific markers and suitable experimental models compared to those of the more immediately visible blood vasculature. Lymphangiogenesis has also been shown to be a key phenomenon in developmental biological processes, such as cell proliferation, guided migration, differentiation, and cell-to-cell communication, making lymphatic-specific visualization techniques highly desirable and desperately needed. Imaging modalities including immunohistochemistry and in situ hybridization are limited by the need to sacrifice animal models for tissue harvesting at every experimental time point. Moreover, the processes of mounting and staining harvested tissues may introduce artifacts that can confound results. These traditional methods for investigating lymphatic and blood vasculature are associated with several problems including animal variability (e.g., between mice) when replicating lymphatic growth environments and the cost concerns of prolonged, labor-intensive studies, all of which complicate the study of dynamic lymphatic processes. With the discovery of lymphatic-specific markers, researchers have been able to develop several lymphatic and blood vessel-specific, promoter-driven, fluorescent-reporter transgenic mice for visualization of lymphatics in vivo and in vitro. For instance, GFP, mOrange, tdTomato, and other fluorescent proteins can be expressed under control of a lymphatic-specific marker like Prospero-related homeobox 1 (Prox1), which is a highly conserved transcription factor for determining embryonic organogenesis in vertebrates that is implicated in lymphangiogenesis as well as several human cancers. Importantly, Prox1-null mouse embryos develop without lymphatic vessels. In human adults, Prox1 maintains lymphatic endothelial cells and upregulates proteins associated with lymphangiogenesis (e.g., VEGFR-3) and downregulates angiogenesis-associated gene expression (e.g., STAT6). To visualize lymphatic development in the context of angiogenesis, dual fluorescent-transgenic reporters, like Prox1-GFP/Flt1-DsRed mice, have been bred to characterize lymphatic and blood vessels simultaneously in vivo. In this review, we discuss the trends in lymphatic visualization and the potential usage of transgenic breeds in hemangiogenesis and lymphangiogenesis research to understand spatial and temporal correlations between vascular development and pathological progression.
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Affiliation(s)
- Susan J Doh
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, USA
| | - Michael Yamakawa
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, USA
| | - Samuel M Santosa
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, USA
| | - Mario Montana
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, USA
| | - Kai Guo
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, USA
| | - Joseph R Sauer
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, USA
| | - Nicholas Curran
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, USA
| | - Kyu-Yeon Han
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, USA
| | - Charles Yu
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, USA
| | - Masatsugu Ema
- Department of Stem Cells and Human Disease Models, Shiga University of Medical Science, Otsu, Japan
| | - Mark I Rosenblatt
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, USA
| | - Jin-Hong Chang
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, USA.
| | - Dimitri T Azar
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL, USA.
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Pan R, Liu G, Li Y, Wei Y, Li S, Tao L. Size-dependent endocytosis and a dynamic-release model of nanoparticles. NANOSCALE 2018; 10:8269-8274. [PMID: 29687130 DOI: 10.1039/c8nr00830b] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Polymeric nanoparticles for drug delivery are attracting broad interest along with the rapid development of biomedical and healthcare research. Here, we prepared a series of nanocapsules via electrostatic precipitation of chitosan and lecithin micelles. These nanocapsules have controlled diameters (∼25-200 nm) that only slightly changed after several lyophilization-dissolving cycles, suggesting their excellent stability for long-term storage. In cell experiments, these nanocapsules obviously reduced the cytotoxicity of encapsulated small molecules, and clearly showed size-dependent endocytosis. In a dynamic release model mimicking the in vivo circulatory system, the nanocapsules demonstrated superiority over micelles as drug carriers due to their stable structures. To the best of our knowledge, this is the first dynamic model used to evaluate the drug-release behaviour, which might provide a new way to study the release profile of other potential drug carriers.
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Affiliation(s)
- Ruihao Pan
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, P.R. China.
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Obinu A, Gavini E, Rassu G, Maestri M, Bonferoni MC, Giunchedi P. Lymph node metastases: importance of detection and treatment strategies. Expert Opin Drug Deliv 2018; 15:459-467. [PMID: 29504430 DOI: 10.1080/17425247.2018.1446937] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
INTRODUCTION Lymphatic vessels are the preferential route of most solid tumors to spread their metastases in the body. The onset of metastatic nests in draining lymph nodes (LNs) are a significant indicator of cancer progression and a dismaying sign of worsen staging. Therefore, the individuation and elimination of cancer cells within the lymphatic system (LS) are an important goal. Nevertheless, the targeting of the LS with traditional contrast agents and/or chemotherapeutics is difficult, due to its anatomical structure. For this reason, many studies on new lymphatic delivery systems have been carried out, both to improve lymphatic imaging and to selectively carry chemotherapeutics to LNs, reducing the exposure of healthy tissues to the cytotoxic substances. This is an overview of the present situation in the field of detection and treatment strategies of lymphatic metastases, taking into account the use of nano-drug delivery systems. Nanocarriers, thanks to their small size and other physicochemical characteristics, are suitable vectors for imaging and chemotherapy of the LS. AREAS COVERED The role of the LS in tumor progression and importance of treatment and imaging strategies of lymphatic metastases. EXPERT OPINION The nanoparticles are a promising approach for treatment and detection of lymphatic metastases. However further studies are necessary in order to evaluate their efficacy in human clinical application.
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Affiliation(s)
- Antonella Obinu
- a PhD in Experimental Medicine, Department of Clinical-Surgical, Diagnostic and Paediatric Sciences , University of Pavia , Pavia , Italy
| | - Elisabetta Gavini
- b Department of Chemistry and Pharmacy , University of Sassari , Sassari , Italy
| | - Giovanna Rassu
- b Department of Chemistry and Pharmacy , University of Sassari , Sassari , Italy
| | - Marcello Maestri
- a PhD in Experimental Medicine, Department of Clinical-Surgical, Diagnostic and Paediatric Sciences , University of Pavia , Pavia , Italy.,c Department of Surgery , IRCCS Policlinico San Matteo Foundation , Pavia , Italy
| | | | - Paolo Giunchedi
- b Department of Chemistry and Pharmacy , University of Sassari , Sassari , Italy
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Bachmann SB, Detmar M, Proulx ST. Visualization and Measurement of Lymphatic Function In Vivo. Methods Mol Biol 2018; 1846:197-211. [PMID: 30242761 DOI: 10.1007/978-1-4939-8712-2_13] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
An increased research focus on the lymphatic system has necessitated the development of reliable in vivo assessments of lymphatic function in rodent models. Here, we provide three protocols for assays based upon near-infrared fluorescence imaging that were developed in our laboratory that can visualize and quantify different aspects of lymphatic function in mice. The first, a protocol for the tracking of the clearance of an injected intradermal bolus of a pegylated tracer, provides a measurement of lymphatic function in a specific region of the skin. The second assay allows noninvasive imaging of the contractility of collecting lymphatic vessels of the lower limb after injection of the pegylated tracer into the paw skin. This assay also enables real-time visualization of the routing of lymphatic flow from the paw to draining lymph nodes. The final protocol describes invasive imaging of the contractility and valve function of a collecting lymphatic vessel connecting the inguinal and axillary lymph nodes. This assay allows compounds to be added directly on the collecting lymphatic vessel and responses in contraction frequency and amplitude to be measured.
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Affiliation(s)
- Samia B Bachmann
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology, ETH Zurich, Zurich, Switzerland
| | - Michael Detmar
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology, ETH Zurich, Zurich, Switzerland
| | - Steven T Proulx
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology, ETH Zurich, Zurich, Switzerland.
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30
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Escobedo N, Oliver G. The Lymphatic Vasculature: Its Role in Adipose Metabolism and Obesity. Cell Metab 2017; 26:598-609. [PMID: 28844882 PMCID: PMC5629116 DOI: 10.1016/j.cmet.2017.07.020] [Citation(s) in RCA: 117] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Revised: 06/22/2017] [Accepted: 07/27/2017] [Indexed: 02/07/2023]
Abstract
Obesity is a key risk factor for metabolic and cardiovascular diseases, and although we understand the mechanisms regulating weight and energy balance, the causes of some forms of obesity remain enigmatic. Despite the well-established connections between lymphatics and lipids, and the fact that intestinal lacteals play key roles in dietary fat absorption, the function of the lymphatic vasculature in adipose metabolism has only recently been recognized. It is well established that angiogenesis is tightly associated with the outgrowth of adipose tissue, as expanding adipose tissue requires increased nutrient supply from blood vessels. Results supporting a crosstalk between lymphatic vessels and adipose tissue, and linking lymphatic function with metabolic diseases, obesity, and adipose tissue, also started to accumulate in the last years. Here we review our current knowledge of the mechanisms by which defective lymphatics contribute to obesity and fat accumulation in mouse models, as well as our understanding of the lymphatic-adipose tissue relationship.
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Affiliation(s)
- Noelia Escobedo
- Instituto de Ciencias Biomédicas, Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Talca, Chile
| | - Guillermo Oliver
- Center for Vascular and Developmental Biology, Feinberg Cardiovascular Research Institute, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA.
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Seek & Destroy, use of targeting peptides for cancer detection and drug delivery. Bioorg Med Chem 2017; 26:2797-2806. [PMID: 28893601 DOI: 10.1016/j.bmc.2017.08.052] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Revised: 08/14/2017] [Accepted: 08/30/2017] [Indexed: 12/21/2022]
Abstract
Accounting for 16 million new cases and 9 million deaths annually, cancer leaves a great number of patients helpless. It is a complex disease and still a major challenge for the scientific and medical communities. The efficacy of conventional chemotherapies is often poor and patients suffer from off-target effects. Each neoplasm exhibits molecular signatures - sometimes in a patient specific manner - that may completely differ from the organ of origin, may be expressed in markedly higher amounts and/or in different location compared to the normal tissue. Although adding layers of complexity in the understanding of cancer biology, this cancer-specific signature provides an opportunity to develop targeting agents for early detection, diagnosis, and therapeutics. Chimeric antibodies, recombinant proteins or synthetic polypeptides have emerged as excellent candidates for specific homing to peripheral and central nervous system cancers. Specifically, peptide ligands benefit from their small size, easy and affordable production, high specificity, and remarkable flexibility regarding their sequence and conjugation possibilities. Coupled to imaging agents, chemotherapies and/or nanocarriers they have shown to increase the on-site delivery, thus allowing better tumor mass contouring in imaging and increased efficacy of the chemotherapies associated with reduced adverse effects. Therefore, some of the peptides alone or in combination have been tested in clinical trials to treat patients. Peptides have been well-tolerated and shown absence of toxicity. This review aims to offer a view on tumor targeting peptides that are either derived from natural peptide ligands or identified using phage display screening. We also include examples of peptides targeting the high-grade malignant tumors of the central nervous system as an example of the complex therapeutic management due to the tumor's location. Peptide vaccines are outside of the scope of this review.
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32
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Abellan-Pose R, Teijeiro-Valiño C, Santander-Ortega MJ, Borrajo E, Vidal A, Garcia-Fuentes M, Csaba N, Alonso MJ. Polyaminoacid nanocapsules for drug delivery to the lymphatic system: Effect of the particle size. Int J Pharm 2016; 509:107-117. [DOI: 10.1016/j.ijpharm.2016.05.034] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Revised: 05/18/2016] [Accepted: 05/19/2016] [Indexed: 02/05/2023]
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Abstract
The two vascular systems of our body are the blood and the lymphatic vasculature. Our understanding of the genes and molecular mechanisms controlling the development of the lymphatic vasculature network has significantly improved. The availability of novel animal models and better imaging tools led to the identification of lymphatics in tissues and organs previously thought to be devoid of them. Similarly, the classical textbook list of established functional roles of the lymphatic system has been expanded by the addition of novel findings. In this review we provide a historical perspective of some of the important landmarks that opened the doors to researchers working in this field. We also summarize some of the current views about embryonic lymphangiogenesis, particularly about the source(s), commitment, and differentiation of lymphatic endothelial cells.
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Affiliation(s)
- Noelia Escobedo
- Department of Genetics, St. Jude Children's Research Hospital, Memphis, Tennessee 38105
| | - Guillermo Oliver
- Center for Vascular & Developmental Biology, Northwestern University Feinberg School of Medicine, Chicago, Illinois 60611;
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34
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Dieterich LC, Detmar M. Tumor lymphangiogenesis and new drug development. Adv Drug Deliv Rev 2016; 99:148-160. [PMID: 26705849 DOI: 10.1016/j.addr.2015.12.011] [Citation(s) in RCA: 107] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2015] [Revised: 10/12/2015] [Accepted: 12/09/2015] [Indexed: 02/07/2023]
Abstract
Traditionally, tumor-associated lymphatic vessels have been regarded as passive by-standers, serving simply as a drainage system for interstitial fluid generated within the tumor. However, with growing evidence that tumors actively induce lymphangiogenesis, and that the number of lymphatic vessels closely correlates with metastasis and clinical outcome in various types of cancer, this picture has changed dramatically in recent years. Tumor-associated lymphatic vessels have now emerged as a valid therapeutic target to control metastatic disease, and the first specific anti-lymphangiogenic drugs have recently entered clinical testing. Furthermore, we are just beginning to understand the whole functional spectrum of tumor-associated lymphatic vessels, which not only concerns transport of fluid and metastatic cells, but also includes the regulation of cancer stemness and specific inhibition of immune responses, opening new venues for therapeutic applications. Therefore, we predict that specific targeting of lymphatic vessels and their function will become an important tool for future cancer treatment.
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35
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Doddapaneni BS, Kyryachenko S, Chagani SE, Alany RG, Rao DA, Indra AK, Alani AW. A three-drug nanoscale drug delivery system designed for preferential lymphatic uptake for the treatment of metastatic melanoma. J Control Release 2015; 220:503-514. [DOI: 10.1016/j.jconrel.2015.11.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2015] [Revised: 10/18/2015] [Accepted: 11/02/2015] [Indexed: 01/05/2023]
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36
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Trevaskis NL, Kaminskas LM, Porter CJH. From sewer to saviour — targeting the lymphatic system to promote drug exposure and activity. Nat Rev Drug Discov 2015; 14:781-803. [DOI: 10.1038/nrd4608] [Citation(s) in RCA: 378] [Impact Index Per Article: 42.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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37
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D'Apolito R, Tomaiuolo G, Taraballi F, Minardi S, Kirui D, Liu X, Cevenini A, Palomba R, Ferrari M, Salvatore F, Tasciotti E, Guido S. Red blood cells affect the margination of microparticles in synthetic microcapillaries and intravital microcirculation as a function of their size and shape. J Control Release 2015; 217:263-72. [PMID: 26381900 DOI: 10.1016/j.jconrel.2015.09.013] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2015] [Revised: 09/05/2015] [Accepted: 09/09/2015] [Indexed: 12/29/2022]
Abstract
A key step in particle-based drug delivery throughmicrocirculation is particlemigration from blood flow to vesselwalls, also known as “margination”,which promotes particle contact and adhesion to the vesselwall. Margination and adhesion should be independently addressed as two distinct phenomena, considering that the former is a fundamental prerequisite to achieve particle adhesion and subsequent extravasation. Although margination has beenmodeled by numerical simulations and investigated inmodel systems in vitro, experimental studies including red blood cells (RBCs) are lacking. Here, we evaluate the effect of RBCs on margination through microfluidic studies in vitro and by intravital microscopy in vivo.We showthatmargination,which is almost absent when particles are suspended in a cell-free medium, is drastically enhanced by RBCs. This effect is size- and shape-dependent, larger spherical/discoid particles being more effectively marginated both in vitro and in vivo. Our findings can be explained by the collision of particles with RBCs that induces the drifting of the particles towards the vessel walls where they become trapped in the cell-free layer. These results are relevant for the design of drug delivery strategies based on systemically administered carriers.
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Affiliation(s)
- Rosa D'Apolito
- Dipartimento di Ingegneria Chimica, dei Materiali e della Produzione Industriale, Università di Napoli Federico II, Italy; CEINGE Biotecnologie avanzate, Napoli, Italy
| | - Giovanna Tomaiuolo
- Dipartimento di Ingegneria Chimica, dei Materiali e della Produzione Industriale, Università di Napoli Federico II, Italy; CEINGE Biotecnologie avanzate, Napoli, Italy.
| | - Francesca Taraballi
- Department of NanoMedicine, Houston Methodist Research Institute, Houston, TX, USA
| | - Silvia Minardi
- Department of NanoMedicine, Houston Methodist Research Institute, Houston, TX, USA
| | - Dickson Kirui
- Department of NanoMedicine, Houston Methodist Research Institute, Houston, TX, USA; Naval Medical Research Unit, San Antonio, TX, USA
| | - Xuewu Liu
- Department of NanoMedicine, Houston Methodist Research Institute, Houston, TX, USA
| | - Armando Cevenini
- Department of Molecular Medicine and Medical Biotechnology, Università di Napoli Federico II, Italy
| | - Roberto Palomba
- Department of NanoMedicine, Houston Methodist Research Institute, Houston, TX, USA
| | - Mauro Ferrari
- Department of NanoMedicine, Houston Methodist Research Institute, Houston, TX, USA
| | - Francesco Salvatore
- Department of Molecular Medicine and Medical Biotechnology, Università di Napoli Federico II, Italy; CEINGE Biotecnologie avanzate, Napoli, Italy
| | - Ennio Tasciotti
- Department of NanoMedicine, Houston Methodist Research Institute, Houston, TX, USA
| | - Stefano Guido
- Dipartimento di Ingegneria Chimica, dei Materiali e della Produzione Industriale, Università di Napoli Federico II, Italy; CEINGE Biotecnologie avanzate, Napoli, Italy
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Protein Phosphatase 2A in Lipopolysaccharide-Induced Cyclooxygenase-2 Expression in Murine Lymphatic Endothelial Cells. PLoS One 2015; 10:e0137177. [PMID: 26317424 PMCID: PMC4552685 DOI: 10.1371/journal.pone.0137177] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2015] [Accepted: 08/14/2015] [Indexed: 02/07/2023] Open
Abstract
The lymphatic endothelium plays an important role in the maintenance of tissue fluid homeostasis. It also participates in the pathogenesis of several inflammatory diseases. However, little is known about the underlying mechanisms by which lymphatic endothelial cell responds to inflammatory stimuli. In this study, we explored the mechanisms by which lipopolysaccharide (LPS) induces cyclooxygenase (COX)-2 expression in murine lymphatic endothelial cells (SV-LECs). LPS caused increases in cox-2 mRNA and protein levels, as well as in COX-2 promoter luciferase activity in SV-LECs. These actions were associated with protein phosphatase 2A (PP2A), apoptosis signal-regulating kinase 1 (ASK1), JNK1/2 and p38MAPK activation, and NF-κB subunit p65 and C/EBPβ phosphorylation. PP2A-ASK1 signaling blockade reduced LPS-induced JNK1/2, p38MAPK, p65 and C/EBPβ phosphorylation. Transfection with PP2A siRNA reduced LPS's effects on p65 and C/EBPβ binding to the COX-2 promoter region. Transfected with the NF-κB or C/EBPβ site deletion of COX-2 reporter construct also abrogated LPS's enhancing effect on COX-2 promoter luciferase activity in SV-LECs. Taken together, the induction of COX-2 in SV-LECs exposed to LPS may involve PP2A-ASK1-JNK and/or p38MAPK-NF-κB and/or C/EBPβ cascade.
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Karaman S, Buschle D, Luciani P, Leroux JC, Detmar M, Proulx ST. Decline of lymphatic vessel density and function in murine skin during aging. Angiogenesis 2015; 18:489-98. [PMID: 26260189 DOI: 10.1007/s10456-015-9479-0] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2015] [Accepted: 07/25/2015] [Indexed: 10/23/2022]
Abstract
Lymphatic vessels play important roles in the pathogenesis of many conditions that have an increased prevalence in the elderly population. However, the effects of the aging process on the lymphatic system are still relatively unknown. We have applied non-invasive imaging and whole-mount staining techniques to assess the lymphatic vessel function and morphology in three different age groups of mice: 2 months (young), 7 months (middle-aged), and 18 months (aged). We first developed and validated a new method to quantify lymphatic clearance from mouse ear skin, using a lymphatic-specific near-infrared tracer. Using this method, we found that there is a prominent decrease in lymphatic vessel function during aging since the lymphatic clearance was significantly delayed in aged mice. This loss of function correlated with a decreased lymphatic vessel density and a reduced lymphatic network complexity in the skin of aged mice as compared to younger controls. The blood vascular leakage in the skin was slightly increased in the aged mice, indicating that the decreased lymphatic function was not caused by a reduced capillary filtration in aged skin. The decreased function of lymphatic vessels with aging might have implications for the pathogenesis of a number of aging-related diseases.
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Affiliation(s)
- Sinem Karaman
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, 8093, Zurich, Switzerland
| | - Dorina Buschle
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, 8093, Zurich, Switzerland
| | - Paola Luciani
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, 8093, Zurich, Switzerland
| | - Jean-Christophe Leroux
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, 8093, Zurich, Switzerland
| | - Michael Detmar
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, 8093, Zurich, Switzerland
| | - Steven T Proulx
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, 8093, Zurich, Switzerland.
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Lymphangiogenesis and Inflammation-Looking for the "Missing Pieces" of the Puzzle. Arch Immunol Ther Exp (Warsz) 2015; 63:415-26. [PMID: 26169947 DOI: 10.1007/s00005-015-0349-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2015] [Accepted: 04/27/2015] [Indexed: 10/23/2022]
Abstract
Several papers about lymphangiogenesis and inflammation focused on the detailed and complicated descriptions of the molecular pathways accompanying both non-tumor and tumor inflammatory-induced lymphatic vessel development. Many authors are tempted to present inflammatory-induced lymphangiogenesis in pathologic conditions neglecting the role of inflammatory cells during embryonic lymphatic vessel development. Some of the inflammatory cells are largely characterized in inflammatory-induced lymphangiogenesis, while others as mast cells, eosinophils, or plasma cells are less studied. No phenotypic characterization of inflammation-activated lymphatic endothelial cell is available in this moment. Another paradox is related to the existence of few papers regarding lymphangiogenesis inside lymphoid organs and for their related pathology. There are still several "missing pieces of such a big puzzle" of lymphangiogenesis and inflammation, with a direct impact on the ineffectiveness of the anti-inflammatory therapy as lymphangiogenesis inhibitors. The present paper will focus on the controversial issues of lymphangiogenesis and inflammation.
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Akhras V, Ramakrishnan R, Stanton AWB, Levick JR, Cook MG, Chong H, Mortimer PS. Quantitative Imaging In Vivo of Functioning Lymphatic Vessels Around Human Melanoma and Benign Nevi. Microcirculation 2015; 22:454-63. [PMID: 26094869 DOI: 10.1111/micc.12216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2015] [Accepted: 06/08/2015] [Indexed: 11/25/2022]
Abstract
OBJECTIVES The density of functioning human lymphatics in vivo and of immunohistochemically defined lymphatics was quantified around melanomas, benign nevi, and matched normal skin, to assess the current lymphangiogenesis paradigm. We investigated whether histological and functioning density increased around melanomas compared with benign nevi or matched skin; whether functioning and histological density increased similarly; and whether larger increases occurred around metastatic melanomas. METHODS Functioning density was quantified in vivo as the total amount of human dermal microlymphatics taking up fluorescent marker injected at the lesion margin. After tissue excision, perilesion histological density was quantified using podoplanin marker D2-40. RESULTS Histological density was raised similarly around metastasising and non-metastasising melanomas compared with normal skin (+71%, p < 0.0001, n = 32); but was also raised significantly around benign nevi (+17%, p = 0.03, n = 20). In contrast, functioning lymphatic density was substantially reduced around the margins of melanomas (both metastasising and non-metastasising) compared with benign nevi (by 65%, p = 0.02) or normal skin (by 53%, p = 0.0014). CONCLUSIONS Raised perilesion histological lymphatic density is not unique to melanoma but occurs also around benign nevi. The findings indicated that the number of functioning lateral lymphatics around human melanomas in vivo but not benign nevi is reduced, despite histologically increased numbers of lymphatics.
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Affiliation(s)
- Victoria Akhras
- Cardiovascular and Cell Sciences (Dermatology), St George's Hospital, University of London, London, UK
| | | | - Anthony W B Stanton
- Cardiovascular and Cell Sciences (Dermatology), St George's Hospital, University of London, London, UK
| | - John R Levick
- Basic Medical Sciences (Physiology), St George's Hospital, University of London, London, UK
| | - Martin G Cook
- Histopathology Department, Royal Surrey County Hospital and Division of Clinical Medicine, University of Surrey, Guildford, UK
| | - Heung Chong
- Histopathology Department, St George's Hospital, London, UK
| | - Peter S Mortimer
- Cardiovascular and Cell Sciences (Dermatology), St George's Hospital, University of London, London, UK
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42
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Kodama T, Hatakeyama Y, Kato S, Mori S. Visualization of fluid drainage pathways in lymphatic vessels and lymph nodes using a mouse model to test a lymphatic drug delivery system. BIOMEDICAL OPTICS EXPRESS 2015; 6:124-34. [PMID: 25657881 PMCID: PMC4317120 DOI: 10.1364/boe.6.000124] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2014] [Revised: 12/03/2014] [Accepted: 12/04/2014] [Indexed: 05/28/2023]
Abstract
Curing/preventing micrometastasis to lymph nodes (LNs) located outside the surgically resected area is essential for improving the morbidity and mortality associated with breast cancer and head and neck cancer. However, no lymphatic therapy system exists that can deliver drugs to LNs located outside the dissection area. Here, we demonstrate proof of concept for a drug delivery system using MXH10/Mo-lpr/lpr mice that exhibit systemic lymphadenopathy, with some peripheral LNs being as large as 10 mm in diameter. We report that a fluorescent solution injected into the subiliac LN (defined as the upstream LN within the dissection area) was delivered successfully to the proper axillary LN (defined as the downstream LN outside the dissection area) through the lymphatic vessels. Our results suggest that this approach could be used before surgical resection to deliver drugs to downstream LNs outside the dissection area. We anticipate that our methodology could be applied clinically, before surgical resection, to cure/prevent micrometastasis in LNs outside the dissection area, using techniques such as ultrasound-guided internal jugular vein catheterization.
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Affiliation(s)
- Tetsuya Kodama
- Graduate School of Biomedical Engineering, Tohoku University, 4-1 Seiryo, Aoba, Sendai, Miyagi 980-8575,
Japan
| | - Yuriko Hatakeyama
- Graduate School of Biomedical Engineering, Tohoku University, 4-1 Seiryo, Aoba, Sendai, Miyagi 980-8575,
Japan
| | - Shigeki Kato
- Graduate School of Biomedical Engineering, Tohoku University, 4-1 Seiryo, Aoba, Sendai, Miyagi 980-8575,
Japan
| | - Shiro Mori
- Department of Oral and Maxillofacial Surgery, Tohoku University Hospital, 1-1 Seiryo, Aoba, Sendai 980-8575,
Japan
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43
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Lymphatics in nanophysiology. Adv Drug Deliv Rev 2014; 74:12-8. [PMID: 24524932 DOI: 10.1016/j.addr.2014.01.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2013] [Revised: 12/16/2013] [Accepted: 01/27/2014] [Indexed: 12/14/2022]
Abstract
Lymphatic vessels are essential for fluid transport and tissue homeostasis. Recent discoveries identified several genes, including Prox1 and VEGF-C, which are required for the lymphatic vessel development in physiological conditions as well as under pathological conditions such as chronic inflammation and tumor progression. Lymphatic vessels show morphological structures that are distinct between the initial lymphatic vessels and collectors, reflecting their respective functions of fluid absorption and transport. These differential structures are crucial for the physiological function of lymphatic vasculature. VEGF-A-mediated chronic inflammation impairs the fundamental structure of the initial lymphatic vessels, leading to delayed transport of nano-scaled fluorescence tracers. This article discusses recent findings that have clarified the biological function of lymphatic vessels in physiological and pathological settings. Assessments of the lymphatic function at nano-scale levels address the major contribution of lymphatic vessels to the kinetics of drug delivery and excretion.
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44
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Munn LL, Padera TP. Imaging the lymphatic system. Microvasc Res 2014; 96:55-63. [PMID: 24956510 DOI: 10.1016/j.mvr.2014.06.006] [Citation(s) in RCA: 82] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2014] [Accepted: 06/12/2014] [Indexed: 02/07/2023]
Abstract
Visualization of the lymphatic system is clinically necessary during diagnosis or treatment of many conditions and diseases; it is used for identifying and monitoring lymphedema, for detecting metastatic lesions during cancer staging and for locating lymphatic structures so they can be spared during surgical procedures. Imaging lymphatic anatomy and function also plays an important role in experimental studies of lymphatic development and function, where spatial resolution and accessibility are better. Here, we review technologies for visualizing and imaging the lymphatic system for clinical applications. We then describe the use of lymphatic imaging in experimental systems as well as some of the emerging technologies for improving these methodologies.
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Affiliation(s)
- Lance L Munn
- Department of Radiation Oncology, Massachusetts General Hospital, Boston, MA, USA.
| | - Timothy P Padera
- Department of Radiation Oncology, Massachusetts General Hospital, Boston, MA, USA.
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Van Kruiningen HJ, Hayes AW, Colombel JF. Granulomas obstruct lymphatics in all layers of the intestine in Crohn's disease. APMIS 2014; 122:1125-9. [PMID: 24730532 DOI: 10.1111/apm.12268] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2013] [Accepted: 02/03/2014] [Indexed: 11/29/2022]
Abstract
After an earlier study defining immunolabeled lymphoid follicles, obstructed lymphatics, and granulomas of the diseased ilea of 24 Crohn's disease patients, we chose to trace the lymphatics of these cases and 10 additional by serial sectioning. Particular attention was given to establishing physical continuity between granuloma-obstructed lymphatics and lymphatics with 'lymphocytic thrombi'. Formalin-fixed paraffin-embedded tissue blocks from resected diseased ilea and proximal colons from 34 patients were reviewed. Patients were 13 men and 21 women, aged 14-60 years. Duration of disease ranged from 1 month to 10 years. Immunohistochemistry employed D2-40 antibody to label lymphatics and anti-CD68 to label granulomas. Twenty-nine of the 34 (85%) resection tissues had lymphangectasia, in mucosa, submucosa, and subserosa. In 53% of the specimens, lymphatics of the various layers were obstructed by granulomas that filled the lumina. In 44%, 15/34, there were also distended lymphatics that were totally plugged with lymphocytes. In 10 of the 15, serial sections revealed continuity between the lymphocyte-plugged lymphatics and the endolymphatic granulomatous obstruction downstream. In 5 of the cases, D2-40 immunostaining revealed redundant lymphatic endothelium interwoven with the granuloma cells. Granulomas totally obstruct lymphatics in all layers of the intestine in Crohn's disease. Upstream of these obstructions, lymphatics are distended with lymphocytes. The degree and extent of this potentially irreversible 'lymphangitis nodosa' have undoubtedly confounded treatment regimens and clinical trials. There currently are no imaging methods to demonstrate the lymphangitis, nor treatments to resolve it.
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Abstract
Malignant tumors release growth factors such as VEGF-C to induce lymphatic vessel expansion (lymphangiogenesis) in primary tumors and in draining sentinel LNs, thereby promoting LN metastasis. Surprising recent evidence suggests that lymphatic vessels do not merely represent passive channels for tumor spread, but that they may actively promote tumor cell recruitment to LNs, cancer stem cell survival, and immune modulation. New imaging approaches allow the sensitive visualization of the earliest LN metastases and the quantitative, noninvasive measurement of the function of tumor-draining lymphatic vessels, with potential applications in the development of biomarkers for prognosis and measurement of therapeutic response.
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47
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Stacker SA, Williams SP, Karnezis T, Shayan R, Fox SB, Achen MG. Lymphangiogenesis and lymphatic vessel remodelling in cancer. Nat Rev Cancer 2014; 14:159-72. [PMID: 24561443 DOI: 10.1038/nrc3677] [Citation(s) in RCA: 546] [Impact Index Per Article: 54.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The generation of new lymphatic vessels through lymphangiogenesis and the remodelling of existing lymphatics are thought to be important steps in cancer metastasis. The past decade has been exciting in terms of research into the molecular and cellular biology of lymphatic vessels in cancer, and it has been shown that the molecular control of tumour lymphangiogenesis has similarities to that of tumour angiogenesis. Nevertheless, there are significant mechanistic differences between these biological processes. We are now developing a greater understanding of the specific roles of distinct lymphatic vessel subtypes in cancer, and this provides opportunities to improve diagnostic and therapeutic approaches that aim to restrict the progression of cancer.
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Affiliation(s)
- Steven A Stacker
- 1] Tumour Angiogenesis Program, Peter MacCallum Cancer Centre, East Melbourne, Victoria 3002, Australia. [2] Sir Peter MacCallum Department of Oncology, University of Melbourne, Victoria 3010, Australia. [3] Department of Surgery, Royal Melbourne Hospital, University of Melbourne, Parkville, Victoria 3050, Australia
| | - Steven P Williams
- Tumour Angiogenesis Program, Peter MacCallum Cancer Centre, East Melbourne, Victoria 3002, Australia
| | - Tara Karnezis
- 1] Tumour Angiogenesis Program, Peter MacCallum Cancer Centre, East Melbourne, Victoria 3002, Australia. [2] Sir Peter MacCallum Department of Oncology, University of Melbourne, Victoria 3010, Australia
| | - Ramin Shayan
- 1] Tumour Angiogenesis Program, Peter MacCallum Cancer Centre, East Melbourne, Victoria 3002, Australia. [2] Department of Surgery, Royal Melbourne Hospital, University of Melbourne, Parkville, Victoria 3050, Australia. [3] Department of Surgery, St. Vincent's Hospital, University of Melbourne, Fitzroy, Victoria 3065, Australia. [4] O'Brien Institute, Australian Catholic University, Fitzroy, Victoria 3065, Australia
| | - Stephen B Fox
- 1] Sir Peter MacCallum Department of Oncology, University of Melbourne, Victoria 3010, Australia. [2] Department of Pathology, Peter MacCallum Cancer Centre, East Melbourne, Victoria 3002, Australia
| | - Marc G Achen
- 1] Tumour Angiogenesis Program, Peter MacCallum Cancer Centre, East Melbourne, Victoria 3002, Australia. [2] Sir Peter MacCallum Department of Oncology, University of Melbourne, Victoria 3010, Australia. [3] Department of Surgery, Royal Melbourne Hospital, University of Melbourne, Parkville, Victoria 3050, Australia
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