101
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D’Addio M, Frey J, Otto VI. The manifold roles of sialic acid for the biological functions of endothelial glycoproteins. Glycobiology 2020; 30:490-499. [PMID: 32039454 PMCID: PMC7372927 DOI: 10.1093/glycob/cwaa008] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Vascular endothelia are covered with a dense glycocalix that is heavily sialylated. Sialylation of vascular glycoconjugates is involved in the regulation of cell-cell interactions, be it among endothelial cells at cell junctions or between endothelial and blood-borne cells. It also plays important roles in modulating the binding of soluble ligands and the signaling by vascular receptors. Here, we provide an overview over the sialylation-function relationships of glycoproteins expressed in the blood and lymphatic vasculature. We first describe cellular interactions in which sialic acid contributes in a stereospecific manner to glycan epitopes recognized by glycan-binding proteins. Our major focus is however on the rarely discussed examples of vascular glycoproteins whose biological functions are modulated by sialylation through other mechanisms.
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Affiliation(s)
- Marco D’Addio
- Institute of Pharmaceutical Sciences, Department of Chemistry and Applied Sciences, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, 8093 Zurich, Switzerland
| | - Jasmin Frey
- Institute of Pharmaceutical Sciences, Department of Chemistry and Applied Sciences, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, 8093 Zurich, Switzerland
| | - Vivianne I Otto
- Institute of Pharmaceutical Sciences, Department of Chemistry and Applied Sciences, ETH Zurich, Vladimir-Prelog-Weg 1-5/10, 8093 Zurich, Switzerland
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102
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Abstract
The skeleton is highly vascularized due to the various roles blood vessels play in the homeostasis of bone and marrow. For example, blood vessels provide nutrients, remove metabolic by-products, deliver systemic hormones, and circulate precursor cells to bone and marrow. In addition to these roles, bone blood vessels participate in a variety of other functions. This article provides an overview of the afferent, exchange and efferent vessels in bone and marrow and presents the morphological layout of these blood vessels regarding blood flow dynamics. In addition, this article discusses how bone blood vessels participate in bone development, maintenance, and repair. Further, mechanical loading-induced bone adaptation is presented regarding interstitial fluid flow and pressure, as regulated by the vascular system. The role of the sympathetic nervous system is discussed in relation to blood vessels and bone. Finally, vascular participation in bone accrual with intermittent parathyroid hormone administration, a medication prescribed to combat age-related bone loss, is described and age- and disease-related impairments in blood vessels are discussed in relation to bone and marrow dysfunction. © 2020 American Physiological Society. Compr Physiol 10:1009-1046, 2020.
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Affiliation(s)
- Rhonda D Prisby
- Bone Vascular and Microcirculation Laboratory, Department of Kinesiology, University of Texas at Arlington, Arlington, Texas, USA
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103
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Becker J, Tchagou Tchangou GE, Schmidt S, Zelent C, Kahl F, Wilting J. Absence of lymphatic vessels in term placenta. BMC Pregnancy Childbirth 2020; 20:380. [PMID: 32600346 PMCID: PMC7325062 DOI: 10.1186/s12884-020-03073-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Accepted: 06/22/2020] [Indexed: 11/15/2022] Open
Abstract
Background There has been debate about the existence of lymphatic vessels in placenta. Lymphatic endothelial cell (LEC) markers such as LYVE-1 and podoplanin/D2–40 have been found, although PROX1 has not been detected. The most reliable marker for LECs is the double staining for CD31 and PROX1, which has not been performed yet. Methods We studied three term placentas and dissected them into three areas: i.) basal plate area, ii.) intermediate area, and iii.) chorionic plate area. We used immunofluorescence single and double staining with antibodies against CD31, PROX1, LYVE-1, VEGFR-3, D2–40/PDPN, CD34, CCBE-1, and vimentin, as well as nested PCR, qPCR, Western blot and transmission electron microscopy (TEM). Results At TEM level we observed structures that have previously mistakenly been interpreted as lymphatics, however, we did not find any CD31/PROX1 double-positive cells in placenta. Absence of PROX1 was also noted by nested PCR, qPCR and Western blot. Also, LEC marker VEGFR-3 was expressed only in a small number of scattered leukocytes but was absent from vessels. The LEC marker D2–40/PDPN was expressed in most stromal cells, and the LEC marker LYVE-1 was found in a considerable number of stromal cells, but not in endothelial cells, which were positive for CD31, CD34, CCBE-1 and vimentin. Additionally, vimentin was found in stromal cells. Conclusions Our studies clearly show absence of lymphatics in term placenta. We also show that the functional area of the mother’s endometrium is not penetrated by lymphatics in term pregnancy.
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Affiliation(s)
- Jürgen Becker
- Deparment of Anatomy and Cell Biology, University Medical School Goettingen, UMG, Kreuzbergring 36, 37075, Göttingen, Germany
| | - Gilles E Tchagou Tchangou
- Deparment of Anatomy and Cell Biology, University Medical School Goettingen, UMG, Kreuzbergring 36, 37075, Göttingen, Germany
| | - Sonja Schmidt
- Department of General-, Visceral- and Pediatric Surgery, University Medical Center Goettingen, UMG, Göttingen, Germany
| | - Christina Zelent
- Deparment of Anatomy and Cell Biology, University Medical School Goettingen, UMG, Kreuzbergring 36, 37075, Göttingen, Germany
| | - Fritz Kahl
- Department of General-, Visceral- and Pediatric Surgery, University Medical Center Goettingen, UMG, Göttingen, Germany
| | - Jörg Wilting
- Deparment of Anatomy and Cell Biology, University Medical School Goettingen, UMG, Kreuzbergring 36, 37075, Göttingen, Germany.
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104
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Jakic B, Kerjaschki D, Wick G. Lymphatic Capillaries in Aging. Gerontology 2020; 66:419-426. [PMID: 32580201 DOI: 10.1159/000508459] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2019] [Accepted: 05/04/2020] [Indexed: 11/19/2022] Open
Abstract
The lymphatic system is responsible for fluid drainage from almost every organ in the body. It sustains tissue homeostasis and is also a central part of the immune system. With the discovery of cell-specific markers and transgenic mouse models, it has become possible to gain some insight into the developmental and functional roles of lymphatic endothelial cells (LECs). Only recently, a more direct regulatory role has been assigned to LECs in their functions in immunity responses and chronic diseases. Here, we discuss the changes occurring in aged lymphatic system and the role of lymphatic capillaries in some age-related diseases and experimental animal models.
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Affiliation(s)
- Bojana Jakic
- Laboratory of Autoimmunity, Division of Experimental Pathophysiology and Immunology, Biocenter, Medical University of Innsbruck, Innsbruck, Austria, .,Department of Immunology, Genetics and Pathology, Rudbeck Laboratory, Uppsala University, Uppsala, Sweden,
| | - Dontscho Kerjaschki
- Clinical Institute of Pathology, Medical University of Vienna, Vienna, Austria
| | - Georg Wick
- Laboratory of Autoimmunity, Division of Experimental Pathophysiology and Immunology, Biocenter, Medical University of Innsbruck, Innsbruck, Austria
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105
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Borecka P, Ciaputa R, Janus I, Piotrowska A, Ratajczak-Wielgomas K, Kmiecik A, Podhorska-Okolów M, Dzięgiel P, Nowak M. Expression of Podoplanin in Mammary Cancers in Female Dogs. In Vivo 2020; 34:213-223. [PMID: 31882481 DOI: 10.21873/invivo.11763] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Revised: 11/04/2019] [Accepted: 11/07/2019] [Indexed: 01/14/2023]
Abstract
BACKGROUND/AIM Mammary neoplasms are very common tumours in female dogs. Cancer-associated fibroblasts (CAFs) play an important role in the oncogenesis process. One of the useful proteins used in the diagnostics of CAFs cells is podoplanin (PDPN). The aim of our study was to assess the expression of PDPN in mammary cancer in female dogs. MATERIALS AND METHODS Our study cohort included 61 cancers and 21 adenomas of the mammary tumour in bitches. Expression of podoplanin, Ki-67 and HER2 was determined using the Immunohistochemical (IHC) method. PDPN expression at the mRNA level was determined using real-time PCR. RESULTS Expression of PDPN in CAFs was observed in 22.9% of cases of mammary cancers in bitches, with no PDPN expression in adenomas. A positive correlation was found between the expression of PDPN in CAFs and the grade of histological malignancy and expression of Ki-67. CONCLUSION PDPN plays a significant role during the process of carcinogenesis of mammary tumours in female dogs.
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Affiliation(s)
- Paulina Borecka
- Department of Pathology, Division of Pathomorphology and Forensic Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, Wroclaw, Poland
| | - Rafal Ciaputa
- Department of Pathology, Division of Pathomorphology and Forensic Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, Wroclaw, Poland
| | - Izabela Janus
- Department of Pathology, Division of Pathomorphology and Forensic Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, Wroclaw, Poland
| | | | | | - Alicja Kmiecik
- Department of Histology and Embryology, Wroclaw Medical University, Wroclaw, Poland
| | | | - Piotr Dzięgiel
- Department of Histology and Embryology, Wroclaw Medical University, Wroclaw, Poland.,Department of Physiotherapy, University School of Physical Education in Wroclaw, Wroclaw, Poland
| | - Marcin Nowak
- Department of Pathology, Division of Pathomorphology and Forensic Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, Wroclaw, Poland
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106
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Gancz D, Perlmoter G, Yaniv K. Formation and Growth of Cardiac Lymphatics during Embryonic Development, Heart Regeneration, and Disease. Cold Spring Harb Perspect Biol 2020; 12:cshperspect.a037176. [PMID: 31818858 DOI: 10.1101/cshperspect.a037176] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The lymphatic system plays crucial roles in regulating fluid homeostasis, immune surveillance, and lipid transport. As is in most of the body's organs, the heart possesses an extensive lymphatic network. Moreover, a robust lymphangiogenic response has been shown to take place following myocardial infarction, highlighting cardiac lymphatics as potential targets for therapeutic intervention. Yet, the unique molecular properties and functions of the heart's lymphatic system have only recently begun to be addressed. In this review, we discuss the mechanisms underlying the formation and growth of cardiac lymphatics during embryonic development and describe their characteristics across species. We further summarize recent findings highlighting diverse cellular origins for cardiac lymphatic endothelial cells and how they integrate to form a single functional lymphatic network. Finally, we outline novel therapeutic avenues aimed at enhancing lymphatic vessel formation and integrity following cardiac injury, which hold great promise for promoting healing of the infarcted heart.
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Affiliation(s)
- Dana Gancz
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Gal Perlmoter
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Karina Yaniv
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot 76100, Israel
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107
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Kato Y, Furusawa Y, Sano M, Takei J, Nakamura T, Yanaka M, Okamoto S, Handa S, Komatsu Y, Asano T, Sayama Y, Kaneko MK. Development of an Anti-Sheep Podoplanin Monoclonal Antibody PMab-256 for Immunohistochemical Analysis of Lymphatic Endothelial Cells. Monoclon Antib Immunodiagn Immunother 2020; 39:82-90. [DOI: 10.1089/mab.2020.0005] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Affiliation(s)
- Yukinari Kato
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
- New Industry Creation Hatchery Center, Tohoku University, Sendai, Japan
| | - Yoshikazu Furusawa
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Masato Sano
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Junko Takei
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Takuro Nakamura
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Miyuki Yanaka
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Saki Okamoto
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Saori Handa
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yu Komatsu
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Teizo Asano
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yusuke Sayama
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Mika K. Kaneko
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
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108
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Kato Y, Sano M, Asano T, Sayama Y, Kaneko MK. Thr80 of Sheep Podoplanin Is a Critical Epitope of the Antisheep Podoplanin Monoclonal Antibody: PMab-256. Monoclon Antib Immunodiagn Immunother 2020; 39:95-100. [PMID: 32423295 DOI: 10.1089/mab.2020.0010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
An antisheep podoplanin (sPDPN) monoclonal antibody (mAb), PMab-256, has recently been established. PMab-256 shows positive immunostaining for lymphatic endothelial cells, lung type I alveolar cells, and kidney podocytes. PDPN possesses three platelet-aggregation-stimulating (PLAG) domains, PLAG1, PLAG2, and PLAG3, and a PLAG-like domain (PLD). The binding epitope of many anti-PDPN mAbs is located in PLAG domains or PLD. The purpose of this study is to determine the binding epitope of PMab-256. Analysis of sPDPN deletion mutants revealed that the N-terminus of the PMab-256 epitope exists between amino acids 75 and 80 of sPDPN. Furthermore, analysis of sPDPN point mutations demonstrated that the critical epitope includes Thr80 of sPDPN, indicating that the PMab-256 epitope is in the PLD of sPDPN.
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Affiliation(s)
- Yukinari Kato
- Department of Antibody Drug Development, Graduate School of Medicine, Tohoku University, Sendai, Japan.,New Industry Creation Hatchery Center, Tohoku University, Sendai, Japan
| | - Masato Sano
- Department of Antibody Drug Development, Graduate School of Medicine, Tohoku University, Sendai, Japan
| | - Teizo Asano
- Department of Antibody Drug Development, Graduate School of Medicine, Tohoku University, Sendai, Japan
| | - Yusuke Sayama
- Department of Antibody Drug Development, Graduate School of Medicine, Tohoku University, Sendai, Japan
| | - Mika K Kaneko
- Department of Antibody Drug Development, Graduate School of Medicine, Tohoku University, Sendai, Japan
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109
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Kato Y, Takei J, Sano M, Asano T, Sayama Y, Uchida K, Nakagawa T, Kaneko MK. Detection of Lion Podoplanin Using the Antitiger Podoplanin Monoclonal Antibody PMab-231. Monoclon Antib Immunodiagn Immunother 2020; 39:91-94. [PMID: 32401677 DOI: 10.1089/mab.2020.0008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Monoclonal antibodies (mAbs) that specifically target podoplanin (PDPN), a marker for type I alveolar cells, are needed for immunohistochemical analyses. Anti-PDPN mAbs are available for many species, including human, mouse, rat, rabbit, dog, cat, bovine, pig, Tasmanian devil, alpaca, tiger, whale, goat, horse, bear, and sheep PDPNs. However, no antilion PDPN (lioPDPN) antibody has been developed. In this study, possible cross-reaction between available anti-PDPN mAbs and lioPDPN was examined. Immunohistochemical analysis showed that antitiger PDPN mAb PMab-231 (IgG2a, kappa) reacted with type I alveolar cells from lion lung, indicating that PMab-231 is useful for the detection of lioPDPN.
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Affiliation(s)
- Yukinari Kato
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan.,New Industry Creation Hatchery Center, Tohoku University, Sendai, Japan
| | - Junko Takei
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Masato Sano
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Teizo Asano
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yusuke Sayama
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Kazuyuki Uchida
- Laboratory of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Takayuki Nakagawa
- Laboratory of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Mika K Kaneko
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
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110
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PDPN Is Expressed in Various Types of Canine Tumors and Its Silencing Induces Apoptosis and Cell Cycle Arrest in Canine Malignant Melanoma. Cells 2020; 9:cells9051136. [PMID: 32380790 PMCID: PMC7290317 DOI: 10.3390/cells9051136] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 05/02/2020] [Accepted: 05/04/2020] [Indexed: 02/07/2023] Open
Abstract
Podoplanin (PDPN), a small transmembrane mucin-like glycoprotein, is ectopically expressed. It is also known to be linked with several aspects of tumor malignancy in some types of human tumors, including invasion, metastasis, and cancer stemness. However, there are few reports on the expression of dog PDPN (dPDPN) in canine tumors, and the association between dPDPN and tumor malignancy has not been elucidated. We identified that 11 out of 18 types of canine tumors expressed dPDPN. Furthermore, 80% of canine malignant melanoma (MM), squamous cell carcinoma, and meningioma expressed dPDPN. Moreover, the expression density of dPDPN was positively associated with the expression of the Ki67 proliferation marker. The silencing of dPDPN by siRNAs resulted in the suppression of cell migration, invasion, stem cell-like characteristics, and cell viability in canine MM cell lines. The suppression of cell viability was caused by the induction of apoptosis and G2/M phase cell cycle arrest. Overall, this study demonstrates that dPDPN is expressed in various types of canine tumors and that dPDPN silencing suppresses cell viability through apoptosis and cell cycle arrest, thus providing a novel biological role for PDPN in tumor progression.
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111
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Moneghini L, Tosi D, Graziani D, Caretti A, Colletti G, Baraldini V, Cattaneo E, Spaccini L, Zocca A, Bulfamante GP. CD10 and CD34 as markers in vascular malformations with PIK3CA and TEK mutations. Hum Pathol 2020; 99:98-106. [PMID: 32272124 DOI: 10.1016/j.humpath.2020.04.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Accepted: 04/01/2020] [Indexed: 02/08/2023]
Abstract
AIMS Vascular malformations (vMs) encompass a wide range of diseases often associated with somatic or, more rarely, germinal genetic mutations. A mutation in the PIK3Ca/mTOR pathway is more often involved in various vMs. CD10 and CD34 are cellular markers that may play a role in mesenchymal differentiation and proliferation. The aim of our study was to find a possible link between the immunohistochemical expression of CD10 and CD34 in vMs and their relationship with mutations in the PIK3CA/mTOR signaling pathway. METHODS AND RESULTS Our study on 58 samples of vMs showed that in endothelial cells, CD10 was significantly expressed in PIK3CA-mutated samples compared with samples without any mutation (p < 0.05), especially and even more consistently when compared with samples with mutation in other pathways (p < 0.0001). Conversely, in the same PIK3CA-mutated samples, CD34 expression in endothelial cells was significantly reduced compared with samples either without any mutation or mutations in other pathways (p < 0.05 and p < 0.0005). Compared with samples with mutations in other pathways, a significant overexpression of endothelial CD10 was also found in samples with TEK/TIE2 mutation, a gene linked to the PIK3CA/mTOR pathway (p < 0.01). However, CD34 expression was not altered. In samples with PIK3CA mutation, the CD10 expression was significantly increased in the stroma compared with samples with TEK/TIE2 gene or other gene mutations (p < 0.05). CONCLUSION Therefore, the CD10 and CD34 immunohistochemical profile could suggest/support the presence of mutations in the PIK3CA/mTOR pathway in samples of vMs.
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Affiliation(s)
- Laura Moneghini
- Unit of Human Pathology, Department of Health Sciences, Santi Paolo e Carlo Hospital Medical School, University of Milan, Milan, 20142, Italy.
| | - Delfina Tosi
- Unit of Human Pathology, Department of Health Sciences, Santi Paolo e Carlo Hospital Medical School, University of Milan, Milan, 20142, Italy
| | - Daniela Graziani
- Unit of Human Pathology, Department of Health Sciences, Santi Paolo e Carlo Hospital Medical School, University of Milan, Milan, 20142, Italy
| | - Anna Caretti
- Biochemistry and Molecular Biology Lab., Department of Health Sciences, University of Milan, Milan, 20142, Italy
| | - Giacomo Colletti
- Maxillo-facial Surgery Department, Department of Health Sciences, San Paolo Hospital Medical School, University of Milan, Milan, 20142, Italy
| | - Vittoria Baraldini
- Center for Pediatric Vascular Malformations-Pediatric Surgery Unit V. Buzzi Children's Hospital, Milan, 20154, Italy
| | - Elisa Cattaneo
- Genetic Service, Department of Obstetrics and Gynecology, "V. Buzzi" Children's Hospital, University of Milan, Milan, 20154, Italy
| | - Luigina Spaccini
- Genetic Service, Department of Obstetrics and Gynecology, "V. Buzzi" Children's Hospital, University of Milan, Milan, 20154, Italy
| | | | - Gaetano Pietro Bulfamante
- Unit of Human Pathology, Department of Health Sciences, Santi Paolo e Carlo Hospital Medical School, University of Milan, Milan, 20142, Italy
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112
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Sayama Y, Sano M, Asano T, Furusawa Y, Takei J, Nakamura T, Yanaka M, Okamoto S, Handa S, Komatsu Y, Nakamura Y, Yanagawa M, Kaneko MK, Kato Y. Epitope Mapping of PMab-241, a Lymphatic Endothelial Cell-Specific Anti-Bear Podoplanin Monoclonal Antibody. Monoclon Antib Immunodiagn Immunother 2020; 39:77-81. [PMID: 32240034 DOI: 10.1089/mab.2020.0004] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Anti-bear podoplanin (bPDPN) monoclonal antibodies (mAbs), including PMab-247 and PMab-241, have been previously established. Although PMab-247 has shown positive immunostaining for lymphatic endothelial cells (LECs), type I alveolar cells of the lung, and podocytes of the kidney, PMab-241 stains LECs but does not react with lung type I alveolar cells. PDPN possesses three platelet aggregation-stimulating (PLAG) domains (PLAG1, PLAG2, and PLAG3) and the PLAG-like domain (PLD). The binding epitope of PMab-247 was previously determined to include bPDPN residues Asp76, Arg78, Glu80, and Arg82. Among these, Glu80 and Arg82 are included in PLD of bPDPN. The purpose of this study is to determine the binding epitope of PMab-241 and to clarify the difference between these two anti-bPDPN mAbs. Analysis of bPDPN deletion mutants revealed that the N-terminus of the PMab-241 epitope exists between amino acids (aa) 75 and 80 of bPDPN. In addition, analysis of bPDPN point mutants demonstrated that the critical epitope of PMab-241 includes Thr75, Asp76, and Arg78 of bPDPN. The binding epitopes of PMab-241 and PMab-247 seem to overlap, but this slight difference may be sufficient to provide the specificity of PMab-241 to discriminate LECs from type I alveolar cells of the lung.
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Affiliation(s)
- Yusuke Sayama
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Masato Sano
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Teizo Asano
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yoshikazu Furusawa
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Junko Takei
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Takuro Nakamura
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Miyuki Yanaka
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Saki Okamoto
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Saori Handa
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yu Komatsu
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yoshimi Nakamura
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Mikiko Yanagawa
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Mika K Kaneko
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yukinari Kato
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
- New Industry Creation Hatchery Center, Tohoku University, Sendai, Japan
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113
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Haining EJ, Lowe KL, Wichaiyo S, Kataru RP, Nagy Z, Kavanagh DP, Lax S, Di Y, Nieswandt B, Ho-Tin-Noé B, Mehrara BJ, Senis YA, Rayes J, Watson SP. Lymphatic blood filling in CLEC-2-deficient mouse models. Platelets 2020; 32:352-367. [PMID: 32129691 PMCID: PMC8443399 DOI: 10.1080/09537104.2020.1734784] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
C-type lectin-like receptor 2 (CLEC-2) is considered as a potential drug target in settings of wound healing, inflammation, and infection. A potential barrier to this is evidence that CLEC-2 and its ligand podoplanin play a critical role in preventing lymphatic vessel blood filling in mice throughout life. In this study, this aspect of CLEC-2/podoplanin function is investigated in more detail using new and established mouse models of CLEC-2 and podoplanin deficiency, and models of acute and chronic vascular remodeling. We report that CLEC-2 expression on platelets is not required to maintain a barrier between the blood and lymphatic systems in unchallenged mice, post-development. However, under certain conditions of chronic vascular remodeling, such as during tumorigenesis, deficiency in CLEC-2 can lead to lymphatic vessel blood filling. These data provide a new understanding of the function of CLEC-2 in adult mice and confirm the essential nature of CLEC-2-driven platelet activation in vascular developmental programs. This work expands our understanding of how lymphatic blood filling is prevented by CLEC-2-dependent platelet function and provides a context for the development of safe targeting strategies for CLEC-2 and podoplanin.
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Affiliation(s)
- Elizabeth J Haining
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Kate L Lowe
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Surasak Wichaiyo
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK.,Department of Pharmacology, Faculty of Pharmacy, Mahidol University, Bangkok, Thailand
| | - Raghu P Kataru
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Zoltan Nagy
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Dean Pj Kavanagh
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Sian Lax
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Ying Di
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Bernhard Nieswandt
- Rudolf Virchow Center for Experimental Biomedicine and Institute of Experimental Biomedicine, University of Würzburg and University Hospital of Würzburg, Würzburg, Germany
| | - Benoît Ho-Tin-Noé
- Institut National de la Santé et de la Recherche Médicale, UMR_S1148, Université Paris Diderot, Sorbonne Paris Cité, Hôpital Bichat, Paris, France
| | - Babak J Mehrara
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Yotis A Senis
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Julie Rayes
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK.,Centre of Membrane Proteins and Receptors (COMPARE), Universities of Birmingham and Nottingham, The Midlands, UK
| | - Steve P Watson
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK.,Centre of Membrane Proteins and Receptors (COMPARE), Universities of Birmingham and Nottingham, The Midlands, UK
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114
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Pawlak JB, Caron KM. Lymphatic Programing and Specialization in Hybrid Vessels. Front Physiol 2020; 11:114. [PMID: 32153423 PMCID: PMC7044189 DOI: 10.3389/fphys.2020.00114] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Accepted: 01/31/2020] [Indexed: 12/14/2022] Open
Abstract
Building on a large body of existing blood vascular research, advances in lymphatic research have helped kindle broader investigations into vascular diversity and endothelial plasticity. While the endothelium of blood and lymphatic vessels can be distinguished by a variety of molecular markers, the endothelia of uniquely diverse vascular beds can possess distinctly heterogeneous or hybrid expression patterns. These expression patterns can then provide further insight on the development of these vessels and how they perform their specialized function. In this review we examine five highly specialized hybrid vessel beds that adopt partial lymphatic programing for their specialized vascular functions: the high endothelial venules of secondary lymphoid organs, the liver sinusoid, the Schlemm’s canal of the eye, the renal ascending vasa recta, and the remodeled placental spiral artery. We summarize the morphology and endothelial expression pattern of these vessels, compare them to each other, and interrogate their specialized functions within the broader blood and lymphatic vascular systems.
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Affiliation(s)
- John B Pawlak
- Department of Cell Biology and Physiology, The University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Kathleen M Caron
- Department of Cell Biology and Physiology, The University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
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115
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Donati Y, Blaskovic S, Ruchonnet-Métrailler I, Lascano Maillard J, Barazzone-Argiroffo C. Simultaneous isolation of endothelial and alveolar epithelial type I and type II cells during mouse lung development in the absence of a transgenic reporter. Am J Physiol Lung Cell Mol Physiol 2020; 318:L619-L630. [PMID: 32022591 DOI: 10.1152/ajplung.00227.2019] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Mouse lung developmental maturation and final alveolarization phase begin at birth. During this dynamic process, alveolar cells modify their morphology and anchorage to the extracellular matrix. In particular, alveolar epithelial cell (AEC) type I undergo cytoplasmic flattening and folding to ensure alveoli lining. We developed FACS conditions for simultaneous isolation of alveolar epithelial and endothelial cells in the absence of specific reporters during the early and middle alveolar phase. We evidenced for the first time a pool of extractable epithelial cell populations expressing high levels of podoplanin at postnatal day (pnd)2, and we confirmed by RT-qPCR that these cells are already differentiated but still immature AEC type I. Maturation causes a decrease in isolation yields, reflecting the morphological changes that these cell populations are undergoing. Moreover, we find that major histocompatibility complex II (MHCII), reported as a good marker of AEC type II, is poorly expressed at pnd2 but highly present at pnd8. Combined experiments using LysoTracker and MHCII demonstrate the de novo acquisition of MCHII in AEC type II during lung alveolarization. The lung endothelial populations exhibit FACS signatures from vascular and lymphatic compartments. They can be concomitantly followed throughout alveolar development and were obtained with a noticeable increased yield at the last studied time point (pnd16). Our results provide new insights into early lung alveolar cell isolation feasibility and represent a valuable tool for pure AEC type I preparation as well as further in vitro two- and three-dimensional studies.
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Affiliation(s)
- Yves Donati
- Department of Pediatrics, Gynecology, and Obstetrics, Faculty of Medicine, University of Geneva, Geneva, Switzerland.,Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Sanja Blaskovic
- Department of Pediatrics, Gynecology, and Obstetrics, Faculty of Medicine, University of Geneva, Geneva, Switzerland.,Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Isabelle Ruchonnet-Métrailler
- Department of Pediatrics, Gynecology, and Obstetrics, Faculty of Medicine, University of Geneva, Geneva, Switzerland.,Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | | | - Constance Barazzone-Argiroffo
- Department of Pediatrics, Gynecology, and Obstetrics, Faculty of Medicine, University of Geneva, Geneva, Switzerland.,Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland
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116
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Ho YC, Srinivasan RS. Lymphatic Vasculature in Energy Homeostasis and Obesity. Front Physiol 2020; 11:3. [PMID: 32038308 PMCID: PMC6987243 DOI: 10.3389/fphys.2020.00003] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 01/03/2020] [Indexed: 12/14/2022] Open
Abstract
Obesity is a leading cause of cardiovascular diseases and cancer. Body mass is regulated by the balance between energy uptake and energy expenditure. The etiology of obesity is determined by multiple factors including genetics, nutrient absorption, and inflammation. Lymphatic vasculature is starting to be appreciated as a critical modulator of metabolism and obesity. The primary function of lymphatic vasculature is to maintain interstitial fluid homeostasis. Lymphatic vessels absorb fluids that extravasate from blood vessels and return them to blood circulation. In addition, lymphatic vessels absorb digested lipids from the intestine and regulate inflammation. Hence, lymphatic vessels could be an exciting target for treating obesity. In this article, we will review our current understanding regarding the relationship between lymphatic vasculature and obesity, and highlight some open questions.
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Affiliation(s)
- Yen-Chun Ho
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, United States
| | - R. Sathish Srinivasan
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, United States
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
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117
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Asano K, Nakajima Y, Mukai K, Urai T, Okuwa M, Sugama J, Konya C, Nakatani T. Pre-collecting lymphatic vessels form detours following obstruction of lymphatic flow and function as collecting lymphatic vessels. PLoS One 2020; 15:e0227814. [PMID: 31940420 PMCID: PMC6961945 DOI: 10.1371/journal.pone.0227814] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Accepted: 12/30/2019] [Indexed: 01/21/2023] Open
Abstract
Background Previously, we showed that lymphatic vessels (LVs) formed detours after lymphatic obstruction, contributing to preventing lymphedema. In this study, we developed detours using lymphatic ligation in mice and we identified the detours histologically. Methods and results Under anesthesia, both hindlimbs in mice were subcutaneously injected with Evans blue dye to detect LVs. We tied the right collecting LV on the abdomen that passes through the inguinal lymph node (LN) at two points. The right and left sides comprised the operation and sham operation sides, respectively. Lymphography was performed to investigate the lymph flow after lymphatic ligation until day 30, using a near-infrared fluorescence imaging system. Anti-podoplanin antibody and 5-ethynyl-2’-deoxyuridine (EdU) were used to detect LVs and lymphangiogenesis. Within 30 days, detours had developed in 62.5% of the mice. Detours observed between two ligation sites were enlarged and irregular in shape. Podoplanin+ LVs, which were located in the subcutaneous tissue of the upper panniculus carnosus muscle, connected to collecting LVs at the upper portion from the cranial ligation site and at the lower portion from the caudal ligation site. EdU+ cells were not observed in these detours. The sham operation side showed normal lymph flow and did not show enlarged pre-collecting LVs until day 30. Conclusions Detours after lymphatic ligation were formed not by lymphangiogenesis but through an enlargement of pre-collecting LVs that functioned as collecting LVs after lymphatic ligation. Further studies are required to explore the developmental mechanism of the lymphatic detour for treatment and effective care of lymphedema in humans.
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Affiliation(s)
- Kimi Asano
- Department of Clinical Nursing, Graduate Course of Nursing Science, Division of Health Sciences, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
- School of Nursing, Kanazawa Medical University, Uchinada, Japan
| | - Yukari Nakajima
- Faculty of Health Sciences, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Japan
| | - Kanae Mukai
- Faculty of Health Sciences, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Japan
| | - Tamae Urai
- Faculty of Nursing, Toyama Prefectural University, Toyama, Japan
| | - Mayumi Okuwa
- Faculty of Health Sciences, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Japan
| | - Junko Sugama
- Advanced Health Care Science Research Unit, Innovative Integrated Bio-Research Core, Institute for Frontier Science Initiative, Kanazawa University, Kanazawa, Japan
| | - Chizuko Konya
- Faculty of Nursing, Ishikawa Prefectural Nursing University, Kahoku, Japan
| | - Toshio Nakatani
- Faculty of Health Sciences, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Japan
- * E-mail:
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118
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Song J, Chen W, Cui X, Huang Z, Wen D, Yang Y, Yu W, Cui L, Liu CY. CCBE1 promotes tumor lymphangiogenesis and is negatively regulated by TGFβ signaling in colorectal cancer. Am J Cancer Res 2020; 10:2327-2341. [PMID: 32089745 PMCID: PMC7019157 DOI: 10.7150/thno.39740] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 12/20/2019] [Indexed: 12/13/2022] Open
Abstract
Collagen and calcium-binding EGF domain-1 (CCBE1) is essential for lymphatic vascular development as it promotes vascular endothelial growth factor C (VEGFC) proteolysis. A recent study reported that CCBE1 was overexpressed in epithelial colorectal cancer (CRC) cells; however, the role of CCBE1 in tumor lymphangiogenesis and the mechanism underlying dysregulated CCBE1 expression in CRC remain undefined. Methods: The role of CCBE1 in tumor lymphangiogenesis and lymphatic metastasis was investigated using human lymphatic endothelial cells (HLECs) model in vitro, and a hindfoot lymphatic metastasis model in vivo. Immunochemistry analysis was performed to assess CCBE1 expression, prognostic value and correlation with clinicopathological characteristics in CRC. The biochemical function and transcriptional regulatory mechanism of CCBE1 were explored by western blot, qPCR, and chromatin immunoprecipitation. Results: Cancer cell-derived CCBE1 enhances VEGFC proteolysis in vitro, facilitates tube formation and migration of HLECs in vitro, and promotes tumor lymphangiogenesis and lymphatic metastasis in vivo. In addition to CRC cells, tumor stroma within CRC tissue shows high CCBE1 expression, which is associated with high lymphatic vessel density, increased lymph node metastasis and poor prognosis. Cancer-associated fibroblasts (CAFs) express and secret CCBE1, thereby contributing to VEGFC maturation and tumor lymphangiogenesis in CRC. Transforming growth factor beta (TGF-β) downregulates the transcription and lymphangiogenic function of CCBE1 in CAFs and CRC cells through direct binding of SMADs to CCBE1 gene locus. Inactivation of the TGF-β pathway correlates with increased CCBE1 expression in CRC. Conclusion: Our results demonstrate the protumorigenic role of CCBE1 in promoting lymphangiogenesis and lymphatic metastasis in CRC, revealing a new mechanism by which loss of TGF-β signaling promotes CRC metastasis.
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119
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Sayama Y, Sano M, Kaneko MK, Kato Y. Epitope Analysis of an Anti-Whale Podoplanin Monoclonal Antibody, PMab-237, Using Flow Cytometry. Monoclon Antib Immunodiagn Immunother 2020; 39:17-22. [PMID: 31934820 PMCID: PMC7044787 DOI: 10.1089/mab.2019.0045] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Podoplanin (PDPN) is a small mucin-type transmembrane glycoprotein, which was first discovered in podocytes of the kidney. PDPN is a specific lymphatic endothelial marker and is also known as T1alpha, a marker of lung type I alveolar cells, or Aggrus, a platelet aggregation-inducing factor. PDPN possesses three platelet aggregation-stimulating (PLAG) domains and PLAG-like domains (PLDs), which bind to C-type lectin-like receptor-2. Previously, we developed a novel anti-whale PDPN (wPDPN) monoclonal antibody (mAb) PMab-237 using the Cell-Based Immunization and Screening (CBIS) method and the RIEDL tag of Arg-Ile-Glu-Asp-Leu sequence. PMab-237 detected wPDPN by flow cytometry, western blot, and immunohistochemical analyses. However, the specific binding epitope of PMab-237 for wPDPN remains unknown. In this study, deletion mutants and point mutants of wPDPN with N-terminal RIEDL tag were produced to analyze the PMab-237 epitope using flow cytometry. The analysis of deletion mutants showed that the N-terminus of the PMab-237 epitope exists between the 80th amino acid (AA) and the 85th AA of wPDPN. In addition, the analysis of point mutants demonstrated that the critical epitope of PMab-237 includes Leu82 and Thr84 of wPDPN, indicating that the PMab-237 epitope is located in the PLD of wPDPN.
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Affiliation(s)
- Yusuke Sayama
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Masato Sano
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Mika K Kaneko
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yukinari Kato
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan.,New Industry Creation Hatchery Center, Tohoku University, Sendai, Japan
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120
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Kato Y. [Development of cancer-specific monoclonal antibodies against glycoproteins]. Nihon Yakurigaku Zasshi 2020; 155:150-154. [PMID: 32378633 DOI: 10.1254/fpj.19080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Many strategies have been tried to produce monoclonal antibodies (mAbs); however, there have been several problems about focusing on molecular targets and screening methods. For instance, the high tumor/normal ratio of antigen expression using DNA microarray has been thought to be important when we determine the molecular targets for antibody-drug. Although many antigens are expressed highly in tumors, those antigens have been removed from the candidates of antibody-drug targets because they were also expressed in normal tissues. We recently established a novel technology to produce a cancer-specific monoclonal antibody (CasMab). The post-translational difference such as glycans can be utilized to produce the CasMab, although the protein possesses the same amino acid sequence in both cancer and normal cells. We have already produced CasMabs against several glycoproteins such as podoplanin, which is expressed in both cancer and normal cells. Those CasMabs possess antibody-dependent cellular cytotoxicity (ADCC) or complement-dependent cytotoxicity (CDC) in vitro and anti-tumor effect in xenograft models in vivo. In conclusion, the CasMab technology is the platform to develop cancer-specific mAbs, which could attack only cancer cells without side effects.
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Affiliation(s)
- Yukinari Kato
- New Industry Creation Hatchery Center, Tohoku University
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine
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121
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El-Ashmawy AA, Shamloula MM, Elfar NN. Podoplanin as a Predictive Marker for Identification of High-Risk Mycosis Fungoides Patients: An Immunohistochemical Study. Indian J Dermatol 2020; 65:500-505. [PMID: 33487706 PMCID: PMC7810069 DOI: 10.4103/ijd.ijd_269_19] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Background Podoplanin, an important protein, has been implicated in various cellular processes, including lymphangiogenesis. Podoplanin is a mucin-type transmembrane glycoprotein that is accepted as a novel marker of lymphatic endothelial cells. Objectives To study the immunohistochemical expression of podoplanin in the different stages of mycosis fungoides (MF) in comparison to control and to correlate their expression with disease severity and progression. Materials and Methods The study included 50 patients of MF, clinically diagnosed and assessed by World Health Organization/European Organization for Research And Treatment Of Cancer Consensus and 20 normal persons as control. Skin biopsy specimens were taken from all and examined for expression of podoplanin immunohistochemically. Results Significant upregulation of podoplanin expression was detected in all studied patients of MF in comparison to control group. Podoplanin expression in malignant lymphocytes and also lymph vessel density showed significant upregulation in the aggressive clinical presentations as well as the highest stages regarding TNMB staging of MF. Conclusions Evaluation of podoplanin expression may be taken into consideration in the future as a useful tool to identify high-risk MF patients. Furthermore, it may open new therapeutic options for the clinical management of those patients.
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Affiliation(s)
- Amal A El-Ashmawy
- Department of Dermatology and Venereology, Tanta University, Tanta, Egypt
| | - Maha M Shamloula
- Department of Pathology, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Nashwa N Elfar
- Department of Dermatology and Venereology, Tanta University, Tanta, Egypt
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122
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Kato Y, Sayama Y, Sano M, Kaneko MK. Epitope Analysis of an Antihorse Podoplanin Monoclonal Antibody PMab-219. Monoclon Antib Immunodiagn Immunother 2019; 38:266-270. [DOI: 10.1089/mab.2019.0034] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Affiliation(s)
- Yukinari Kato
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
- New Industry Creation Hatchery Center, Tohoku University, Sendai, Japan
| | - Yusuke Sayama
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Masato Sano
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Mika K. Kaneko
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
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123
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Sano M, Kaneko MK, Kato Y. Epitope Mapping of Monoclonal Antibody PMab-233 Against Tasmanian Devil Podoplanin. Monoclon Antib Immunodiagn Immunother 2019; 38:261-265. [DOI: 10.1089/mab.2019.0032] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Affiliation(s)
- Masato Sano
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Mika K. Kaneko
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yukinari Kato
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
- New Industry Creation Hatchery Center, Tohoku University, Sendai, Japan
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124
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Sayama Y, Sano M, Furusawa Y, Kaneko MK, Kato Y. Epitope Mapping of PMab-225 an Anti-Alpaca Podoplanin Monoclonal Antibody Using Flow Cytometry. Monoclon Antib Immunodiagn Immunother 2019; 38:255-260. [DOI: 10.1089/mab.2019.0033] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Affiliation(s)
- Yusuke Sayama
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Masato Sano
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yoshikazu Furusawa
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
- New Industry Creation Hatchery Center, Tohoku University, Sendai, Japan
| | - Mika K. Kaneko
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yukinari Kato
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
- New Industry Creation Hatchery Center, Tohoku University, Sendai, Japan
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125
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Deficiency of the adrenomedullin-RAMP3 system suppresses metastasis through the modification of cancer-associated fibroblasts. Oncogene 2019; 39:1914-1930. [PMID: 31754214 DOI: 10.1038/s41388-019-1112-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 11/06/2019] [Accepted: 11/08/2019] [Indexed: 02/07/2023]
Abstract
Tumor metastasis is a primary source of morbidity and mortality in cancer. Adrenomedullin (AM) is a multifunctional peptide regulated by receptor activity-modifying proteins (RAMPs). We previously reported that the AM-RAMP2 system is involved in tumor angiogenesis, but the function of the AM-RAMP3 system remains largely unknown. Here, we investigated the actions of the AM-RAMP2 and 3 systems in the tumor microenvironment and their impact on metastasis. PAN02 pancreatic cancer cells were injected into the spleens of mice, leading to spontaneous liver metastasis. Tumor metastasis was enhanced in vascular endothelial cell-specific RAMP2 knockout mice (DI-E-RAMP2-/-). By contrast, metastasis was suppressed in RAMP3-/- mice, where the number of podoplanin (PDPN)-positive cancer-associated fibroblasts (CAFs) was reduced in the periphery of tumors at metastatic sites. Because PDPN-positive CAFs are a hallmark of tumor malignancy, we assessed the regulation of PDPN and found that Src/Cas/PDPN signaling is mediated by RAMP3. In fact, RAMP3 deficiency CAFs suppressed migration, proliferation, and metastasis in co-cultures with tumor cells in vitro and in vivo. Moreover, the activation of RAMP2 in RAMP3-/- mice suppressed both tumor growth and metastasis. Based on these results, we suggest that the upregulation of PDPN in DI-E-RAMP2-/- mice increases malignancy, while the downregulation of PDPN in RAMP3-/- mice reduces it. Selective activation of RAMP2 and inhibition of RAMP3 would therefore be expected to suppress tumor metastasis. This study provides the first evidence that understanding and targeting to AM-RAMP systems could contribute to the development of novel therapeutics against metastasis.
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126
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Kaneko MK, Sayama Y, Sano M, Kato Y. The Epitope of PMab-210 Is Located in Platelet Aggregation-Stimulating Domain-3 of Pig Podoplanin. Monoclon Antib Immunodiagn Immunother 2019; 38:271-276. [PMID: 31663836 DOI: 10.1089/mab.2019.0037] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Podoplanin (PDPN)/T1alpha/Aggrus, a small mucin-type transmembrane glycoprotein, has been shown to be expressed on lymphatic endothelial cells and epithelial cells of many organs. PDPN is also upregulated in many cancers, and is involved in cancer metastasis and malignant progression. Human PDPN possesses three platelet aggregation-stimulating (PLAG) domains and the PLAG-like domain, which bind to C-type lectin-like receptor-2 (CLEC-2). Previously, we reported a novel antipig PDPN (pPDPN) monoclonal antibody (PMab-210) using Cell-Based Immunization and Screening (CBIS) method. PMab-210 specifically detected pPDPN-overexpressed Chinese hamster ovary (CHO)-K1 cells by flow cytometry and Western blot analysis. Immunohistochemical analyses demonstrated that PMab-210 stained pulmonary type I alveolar cells strongly and renal corpuscles weakly in pig or microminipig. However, the specific binding epitope of PMab-210 for pPDPN could not be determined by enzyme-linked immunosorbent assay using a series of pPDPN peptides. In this study, deletion mutants or point mutants of pPDPN were produced for analyzing the PMab-210 epitope using flow cytometry. The analysis of deletion mutants showed that N-terminus of PMab-210 epitope exists between 45th amino acid (aa) and 50th aa of pPDPN. In addition, the analysis of point mutants demonstrated that the critical epitope of PMab-210 could include Glu47, Asp48, Tyr49, Thr50, and Val51 of pPDPN, indicating that PMab-210 epitope is located in PLAG3 domain of pPDPN.
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Affiliation(s)
- Mika K Kaneko
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Yusuke Sayama
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Masato Sano
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Yukinari Kato
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan.,New Industry Creation Hatchery Center, Tohoku University, Sendai, Japan
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127
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128
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Abstract
The heart contains a complex network of blood and lymphatic vessels. The coronary blood vessels provide the cardiac tissue with oxygen and nutrients and have been the major focus of research for the past few decades. Cardiac lymphatic vessels, which consist of lymphatic capillaries and collecting lymphatic vessels covering all layers of the heart, transport excess fluid from the interstitium and play important roles in maintaining tissue fluid balance. Unlike for the coronary blood vessels, until a few years ago, not much information was available on the origin and function of the cardiac-associated lymphatic vasculature. A growing body of evidence indicates that cardiac lymphatic vessels (lymphatics) may serve as a therapeutic cardiovascular target.
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Affiliation(s)
- Xiaolei Liu
- Center for Vascular and Developmental Biology, Feinberg Cardiovascular and Renal Research Institute, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611, USA
| | - Guillermo Oliver
- Center for Vascular and Developmental Biology, Feinberg Cardiovascular and Renal Research Institute, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611, USA
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129
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Trincot C, Caron KM. Lymphatic Function and Dysfunction in the Context of Sex Differences. ACS Pharmacol Transl Sci 2019; 2:311-324. [PMID: 32259065 PMCID: PMC7089000 DOI: 10.1021/acsptsci.9b00051] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Indexed: 02/08/2023]
Abstract
Endothelial cells are the building blocks of the blood vascular system and exhibit well-characterized sexually dimorphic phenotypes with regard to chromosomal and hormonal sex, imparting innate genetic and physiological differences between male and female vascular systems and cardiovascular disease. However, even though females are predominantly affected by disorders of lymphatic vascular function, we lack a comprehensive understanding of the effects of sex and sex hormones on lymphatic growth, function, and dysfunction. Here, we attempt to comprehensively evaluate the current understanding of sex as a biological variable influencing lymphatic biology. We first focus on elucidating innate and fundamental differences between the sexes in lymphatic function and development. Next, we delve into lymphatic disease and explore the potential underpinnings toward bias prevalence in the female population. Lastly, we incorporate more broadly the role of the lymphatic system in sex-biased diseases such as cancer, cardiovascular disease, reproductive disorders, and autoimmune diseases to explore whether and how sex differences may influence lymphatic function in the context of these pathologies.
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Affiliation(s)
- Claire
E. Trincot
- Department of Cell Biology
and Physiology, University of North Carolina
Chapel Hill, 111 Mason Farm Road, 6312B Medical Biomolecular Research Building,
CB#7545, Chapel Hill, North
Carolina 27599-7545, United States
| | - Kathleen M. Caron
- Department of Cell Biology
and Physiology, University of North Carolina
Chapel Hill, 111 Mason Farm Road, 6312B Medical Biomolecular Research Building,
CB#7545, Chapel Hill, North
Carolina 27599-7545, United States
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130
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Yamada S, Itai S, Furusawa Y, Kaneko MK, Kato Y. Epitope Mapping of Antipig Podoplanin Monoclonal Antibody PMab-213. Monoclon Antib Immunodiagn Immunother 2019; 38:224-229. [DOI: 10.1089/mab.2019.0023] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Affiliation(s)
- Shinji Yamada
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Shunsuke Itai
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yoshikazu Furusawa
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
- New Industry Creation Hatchery Center, Tohoku University, Sendai, Japan
| | - Mika K. Kaneko
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yukinari Kato
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
- New Industry Creation Hatchery Center, Tohoku University, Sendai, Japan
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131
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Takei J, Itai S, Harada H, Furusawa Y, Miwa T, Fukui M, Nakamura T, Sano M, Sayama Y, Yanaka M, Handa S, Hisamatsu K, Nakamura Y, Yamada S, Kaneko MK, Kato Y. Characterization of Anti-Goat Podoplanin Monoclonal Antibody PMab-235 Using Immunohistochemistry Against Goat Tissues. Monoclon Antib Immunodiagn Immunother 2019; 38:213-219. [DOI: 10.1089/mab.2019.0022] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Affiliation(s)
- Junko Takei
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
- Department of Oral and Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Shunsuke Itai
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
- Department of Oral and Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Hiroyuki Harada
- Department of Oral and Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Yoshikazu Furusawa
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
- New Industry Creation Hatchery Center, Tohoku University, Sendai, Japan
- ZENOAQ RESOURCE CO., LTD., Koriyama, Japan
| | | | | | - Takuro Nakamura
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Masato Sano
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yusuke Sayama
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Miyuki Yanaka
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Saori Handa
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Kayo Hisamatsu
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yoshimi Nakamura
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Shinji Yamada
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Mika K. Kaneko
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yukinari Kato
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
- New Industry Creation Hatchery Center, Tohoku University, Sendai, Japan
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132
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Ribatti D, Tamma R, Ruggieri S, Annese T, Crivellato E. Surface markers: An identity card of endothelial cells. Microcirculation 2019; 27:e12587. [PMID: 31461797 DOI: 10.1111/micc.12587] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 08/19/2019] [Accepted: 08/22/2019] [Indexed: 12/24/2022]
Abstract
All endothelial cells have the common characteristic that they line the vessels of the blood circulatory system. However, endothelial cells display a large degree of heterogeneity in the function of their location in the vascular tree. In this article, we have summarized the expression patterns of a number of well-accepted endothelial surface markers present in normal microvascular endothelial cells, arterial and venous endothelial cells, lymphatic endothelial cells, tumor endothelial cells, and endothelial precursor cells.
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Affiliation(s)
- Domenico Ribatti
- Department of Basic Medical Sciences, Neurosciences and Sensory Organs, University of Bari Medical School, Bari, Italy
| | - Roberto Tamma
- Department of Basic Medical Sciences, Neurosciences and Sensory Organs, University of Bari Medical School, Bari, Italy
| | - Simona Ruggieri
- Department of Basic Medical Sciences, Neurosciences and Sensory Organs, University of Bari Medical School, Bari, Italy
| | - Tiziana Annese
- Department of Basic Medical Sciences, Neurosciences and Sensory Organs, University of Bari Medical School, Bari, Italy
| | - Enrico Crivellato
- Department of Medicine, Section of Human Anatomy, University of Udine, Udine, Italy
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133
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Zarjou A, Black LM, Bolisetty S, Traylor AM, Bowhay SA, Zhang MZ, Harris RC, Agarwal A. Dynamic signature of lymphangiogenesis during acute kidney injury and chronic kidney disease. J Transl Med 2019; 99:1376-1388. [PMID: 31019289 PMCID: PMC6716993 DOI: 10.1038/s41374-019-0259-0] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 03/07/2019] [Accepted: 03/29/2019] [Indexed: 11/09/2022] Open
Abstract
Acute kidney injury (AKI) and chronic kidney disease (CKD) are interconnected syndromes with significant attributable morbidity and mortality. The disturbing trend of increasing incidence and prevalence of these clinical disorders highlights the urgent need for better understanding of the underlying mechanisms that are involved in pathogenesis of these conditions. Lymphangiogenesis and its involvement in various inflammatory conditions is increasingly recognized while its role in AKI and CKD remains to be fully elucidated. Here, we studied lymphangiogenesis in three models of kidney injury. Our results demonstrate that the main ligands for lymphangiogenesis, VEGF-C and VEGF-D, are abundantly present in tubules at baseline conditions and the expression pattern of these ligands is significantly altered following injury. In addition, we show that both of these ligands increase in serum and urine post-injury and suggest that such increment may serve as novel urinary biomarkers of AKI as well as in progression of kidney disease. We also provide evidence that irrespective of the nature of initial insult, lymphangiogenic pathways are rapidly and robustly induced as evidenced by higher expression of lymphatic markers within the kidney.
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Affiliation(s)
- Abolfazl Zarjou
- Department of Medicine, University of Alabama at Birmingham, Birmingham, USA
- Nephrology Research and Training Center, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
| | - Laurence M Black
- Department of Medicine, University of Alabama at Birmingham, Birmingham, USA
- Nephrology Research and Training Center, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
| | - Subhashini Bolisetty
- Department of Medicine, University of Alabama at Birmingham, Birmingham, USA
- Nephrology Research and Training Center, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
| | - Amie M Traylor
- Department of Medicine, University of Alabama at Birmingham, Birmingham, USA
- Nephrology Research and Training Center, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
| | - Sarah A Bowhay
- Department of Medicine, University of Alabama at Birmingham, Birmingham, USA
- Nephrology Research and Training Center, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
| | - Ming-Zhi Zhang
- Department of Medicine, Vanderbilt University School of Medicine, Nashville, USA
- Department of Cancer Biology, Vanderbilt University School of Medicine, Nashville, USA
| | - Raymond C Harris
- Department of Medicine, Vanderbilt University School of Medicine, Nashville, USA
- Department of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine, Nashville, TN, USA
- Nashville Veterans Affairs Hospital, Nashville, TN, USA
| | - Anupam Agarwal
- Department of Medicine, University of Alabama at Birmingham, Birmingham, USA.
- Nephrology Research and Training Center, University of Alabama at Birmingham, Birmingham, AL, 35294, USA.
- Department of Veterans Affairs, Birmingham, AL, USA.
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134
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Furusawa Y, Kaneko MK, Nakamura T, Itai S, Fukui M, Harada H, Yamada S, Kato Y. Establishment of a Monoclonal Antibody PMab-231 for Tiger Podoplanin. Monoclon Antib Immunodiagn Immunother 2019; 38:89-95. [PMID: 31009336 DOI: 10.1089/mab.2019.0003] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Podoplanin (PDPN), also known as T1alpha, has been used as a lung type I alveolar cell marker in the pathophysiological condition. Although we have established several monoclonal antibodies (mAbs) against mammalian PDPNs, mAbs against tiger PDPN (tigPDPN), which are useful for immunohistochemical analysis, remain to be developed. In this study, we immunized mice with tigPDPN-overexpressing Chinese hamster ovary (CHO)-K1 cells (CHO/tigPDPN) and screened hybridomas producing mAbs against tigPDPN using flow cytometry. One of the mAbs, PMab-231 (IgG2a, kappa), specifically detected CHO/tigPDPN cells using flow cytometry as well as recognized tigPDPN protein using western blotting. In addition, PMab-231 was found to cross-react with cat PDPN (cPDPN). The dissociation constants (KD) of PMab-231 for CHO/tigPDPN and CHO/cPDPN cells were determined to be 1.2 × 10-8 and 1.9 × 10-8, respectively, indicating moderate affinity for CHO/tigPDPN and CHO/cPDPN cells. PMab-231 stained type I alveolar cells of the feline lungs and podocytes of the feline kidneys using immunohistochemistry. Our findings suggest the potential usefulness of PMab-231 for the functional analyses of tigPDPN and cPDPN.
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Affiliation(s)
- Yoshikazu Furusawa
- 1 Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan.,2 New Industry Creation Hatchery Center, Tohoku University, Sendai, Japan.,3 Zenoaq Resource Co., Ltd., Koriyama, Japan
| | - Mika K Kaneko
- 1 Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Takuro Nakamura
- 1 Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Shunsuke Itai
- 1 Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan.,4 Department of Oral and Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Bunkyo-ku, Japan
| | | | - Hiroyuki Harada
- 4 Department of Oral and Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Bunkyo-ku, Japan
| | - Shinji Yamada
- 1 Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yukinari Kato
- 1 Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan.,2 New Industry Creation Hatchery Center, Tohoku University, Sendai, Japan
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135
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Chou PY, Kao D, Denadai R, Huang CY, Lin CH, Lin CH. Anterolateral thigh free flaps for the reconstruction of scalp angiosarcoma - 18-year experience in Chang Gung memorial hospital. J Plast Reconstr Aesthet Surg 2019; 72:1900-1908. [PMID: 31519502 DOI: 10.1016/j.bjps.2019.07.024] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 07/04/2019] [Accepted: 07/27/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND Scalp angiosarcoma is a rare and highly aggressive cutaneous malignancy with poor prognosis and high recurrence rate. Multimodality approach is currently the treatment protocol for resectable angiosarcoma, including wide local excision and postoperative radiation. This single-institution study reviews the 18-year experience of the surgical treatment of scalp angiosarcomas. METHODS A retrospective chart review was performed on patients with scalp angiosarcoma who received wide local excision and free flap reconstruction from 2001 to 2018. The type of free flap, safety margin, outer cortex burring, and dose for radiation were recorded. Kaplan-Meier plots were computed. RESULTS Eight male patients (mean age of 74.4 years old) were enrolled in the series. Tumor sizes ranged from 3 × 3 to 8 × 13 cm. All patients underwent wide local excision and outer cortex burring (cortical curettage). Seven (87.5%) scalp defects were reconstructed with anterolateral thigh free flap. All patients received adjuvant radiation therapy for tumor bed and margins. Chemotherapy was adopted for the management of local recurrence (37.5%) or distant metastasis (37.5%). The 2-year and 5-year survival rates are 72.9% and 38.9%, respectively, and 1-year and 2-year disease-free rates are 37.5% each. CONCLUSION Scalp angiosarcoma is a rare and highly aggressive cutaneous malignancy with poor prognosis. Anterolateral thigh free flap is a good reconstructive option due to its ability to cover large cutaneous defects with minimal need for skin grafting. Multimodal treatment protocol, including wide local excision with cortical curettage, and adjuvant radiation (regular basis) and chemotherapy (local recurrence or distant metastasis) may offer improved 1-year survival rate (100%).
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Affiliation(s)
- Pang-Yun Chou
- Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Taoyuan, Taiwan; Plastic and Reconstructive Surgery, and Craniofacial Research Center, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan
| | - Dennis Kao
- Plastic Surgery, University of Washington Medical Center, Seattle, WA, United States
| | - Rafael Denadai
- Plastic and Reconstructive Surgery, and Craniofacial Research Center, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan, Taiwan
| | - Chu-Yen Huang
- Surgery Department, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Cheng-Hung Lin
- Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Chih-Hung Lin
- Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Chia-Yi, Taiwan.
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136
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Nitric oxide and interactions with reactive oxygen species in the development of melanoma, breast, and colon cancer: A redox signaling perspective. Nitric Oxide 2019; 89:1-13. [DOI: 10.1016/j.niox.2019.04.009] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 04/09/2019] [Accepted: 04/15/2019] [Indexed: 12/13/2022]
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137
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Wu S, Liu X, He J, Wang H, Luo Y, Gong W, Li Y, Huang Y, Zhong L, Zhao Y. A Dual Targeting Magnetic Nanoparticle for Human Cancer Detection. NANOSCALE RESEARCH LETTERS 2019; 14:228. [PMID: 31289961 PMCID: PMC6616609 DOI: 10.1186/s11671-019-3049-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Accepted: 06/12/2019] [Indexed: 06/09/2023]
Abstract
Malignant tumors are a major threat to human life and high lymphatic vessel density is often associated with metastatic tumors. With the discovery of molecules targeted at the lymphatic system such as lymphatic vessel endothelial hyaluronan receptor 1 (LYVE-1) and Podoplanin, many studies have been performed to determine the role of lymphatic endothelial cells (LECs) in tumor metastasis. However, disadvantages such as non-specificity and high cost limit their research and diagnostic applications. In this study, Fe3O4@KCTS, a core-shell type of magnetic nanoparticles, was prepared by activating Fe3O4 with carbodiimide and cross-linking it with α-ketoglutarate chitosan (KCTS). The LYVE-1 and Podoplanin antibodies were then incorporated onto the surface of these magnetic nanoparticles and as a result, dual-targeting magnetic nanoprobes were developed. The experimental tests of this study demonstrated that a dual-targeting magnetic nanoprobe with high-purity LECs from tumor tissues was successfully developed, providing a basis for clinical application of LECs in colorectal cancer treatment as well as in early clinical diagnosis using bimodal imaging.
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Affiliation(s)
- Siwen Wu
- National Center for International Research of Bio-targeting Theranostics, Guangxi Key Laboratory of Bio-targeting Theranostics, Collaborative InnovationCenter for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, 530021, Guangxi, China
- School of Preclinical Medicine, Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Xiyu Liu
- National Center for International Research of Bio-targeting Theranostics, Guangxi Key Laboratory of Bio-targeting Theranostics, Collaborative InnovationCenter for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Jian He
- National Center for International Research of Bio-targeting Theranostics, Guangxi Key Laboratory of Bio-targeting Theranostics, Collaborative InnovationCenter for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Huiling Wang
- National Center for International Research of Bio-targeting Theranostics, Guangxi Key Laboratory of Bio-targeting Theranostics, Collaborative InnovationCenter for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Yiqun Luo
- National Center for International Research of Bio-targeting Theranostics, Guangxi Key Laboratory of Bio-targeting Theranostics, Collaborative InnovationCenter for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Wenlin Gong
- National Center for International Research of Bio-targeting Theranostics, Guangxi Key Laboratory of Bio-targeting Theranostics, Collaborative InnovationCenter for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Yanmei Li
- National Center for International Research of Bio-targeting Theranostics, Guangxi Key Laboratory of Bio-targeting Theranostics, Collaborative InnovationCenter for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Yong Huang
- National Center for International Research of Bio-targeting Theranostics, Guangxi Key Laboratory of Bio-targeting Theranostics, Collaborative InnovationCenter for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Liping Zhong
- National Center for International Research of Bio-targeting Theranostics, Guangxi Key Laboratory of Bio-targeting Theranostics, Collaborative InnovationCenter for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, 530021, Guangxi, China.
| | - Yongxiang Zhao
- National Center for International Research of Bio-targeting Theranostics, Guangxi Key Laboratory of Bio-targeting Theranostics, Collaborative InnovationCenter for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, 530021, Guangxi, China.
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138
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Immunohistochemical Analysis of Endothelial Cells in Vascular Transformation of Lymph Node Sinuses: Vascular or Lymphatic Differentiation? Appl Immunohistochem Mol Morphol 2019; 27:482-489. [DOI: 10.1097/pai.0000000000000661] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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139
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Kato Y, Yamada S, Furusawa Y, Itai S, Nakamura T, Yanaka M, Sano M, Harada H, Fukui M, Kaneko MK. PMab-213: A Monoclonal Antibody for Immunohistochemical Analysis Against Pig Podoplanin. Monoclon Antib Immunodiagn Immunother 2019; 38:18-24. [PMID: 30802179 DOI: 10.1089/mab.2018.0048] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Podoplanin (PDPN) is known to be expressed in normal tissues, including lymphatic endothelial cells, renal podocytes, and type I lung alveolar cells. Monoclonal antibodies (mAbs) against human, mouse, rat, rabbit, dog, cat, and bovine PDPN have already been established; however, mAbs against pig PDPN (pPDPN) are lacking. In the present study, mice were immunized with pPDPN-overexpressing Chinese hamster ovary (CHO)-K1 cells (CHO/pPDPN), and hybridomas producing mAbs against pPDPN were identified by flow cytometric screening. One of the mAbs, PMab-213 (IgG2b, kappa), could specifically detect CHO/pPDPN cells through flow cytometry and detect pPDPN through western blot analysis. KD of PMab-213 for CHO/pPDPN was determined to be 2.1 × 10-9 M, indicating a high affinity for CHO/pPDPN. Furthermore, PMab-213 strongly stained lymphatic endothelial cells, renal podocytes, and type I lung alveolar cells through immunohistochemistry. PMab-213 is expected to be useful in investigating the function of pPDPN.
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Affiliation(s)
- Yukinari Kato
- 1 New Industry Creation Hatchery Center, Tohoku University, Sendai, Japan.,2 Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Shinji Yamada
- 2 Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yoshikazu Furusawa
- 1 New Industry Creation Hatchery Center, Tohoku University, Sendai, Japan.,2 Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan.,3 ZENOAQ RESOURCE CO., LTD., Koriyama, Japan
| | - Shunsuke Itai
- 2 Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan.,4 Department of Oral and Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Takuro Nakamura
- 2 Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Miyuki Yanaka
- 2 Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Masato Sano
- 2 Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Hiroyuki Harada
- 4 Department of Oral and Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | | | - Mika K Kaneko
- 2 Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
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140
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Hu D, Li L, Li S, Wu M, Ge N, Cui Y, Lian Z, Song J, Chen H. Lymphatic system identification, pathophysiology and therapy in the cardiovascular diseases. J Mol Cell Cardiol 2019; 133:99-111. [PMID: 31181226 DOI: 10.1016/j.yjmcc.2019.06.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2019] [Revised: 06/02/2019] [Accepted: 06/05/2019] [Indexed: 12/20/2022]
Abstract
The mammalian circulatory system comprises both the cardiovascular system and the lymphatic system. In contrast to the closed, high-pressure and circular blood vascular circulation, the lymphatic system forms an open, low-pressure and unidirectional transit network from the extracellular space to the venous system. It plays a key role in regulating tissue fluid homeostasis, absorption of gastrointestinal lipids, and immune surveillance throughout the body. Despite the critical physiological functions of the lymphatic system, a complete understanding of the lymphatic vessels lags far behind that of the blood vasculatures due to the challenge of their visualization. During the last 20 years, discoveries of underlying genes responsible for lymphatic vessel biology, combined with state-of-the-art lymphatic function imaging and quantification techniques, have established the importance of the lymphatic vasculature in the pathogenesis of cardiovascular diseases including lymphedema, obesity and metabolic diseases, dyslipidemia, hypertension, inflammation, atherosclerosis and myocardial infraction. In this review, we highlight the most recent advances in the field of lymphatic vessel biology, with an emphasis on the new identification techniques of lymphatic system, pathophysiological mechanisms of atherosclerosis and myocardial infarction, and new therapeutic perspectives of lymphangiogenesis.
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Affiliation(s)
- Dan Hu
- Department of Cardiology, Beijing Key Laboratory of Early Prediction and Intervention of Acute Myocardial Infarction, Center for Cardiovascular Translational Research, Peking University People's Hospital, Beijing, China
| | - Long Li
- Department of Cardiology, Beijing Key Laboratory of Early Prediction and Intervention of Acute Myocardial Infarction, Center for Cardiovascular Translational Research, Peking University People's Hospital, Beijing, China
| | - Sufang Li
- Department of Cardiology, Beijing Key Laboratory of Early Prediction and Intervention of Acute Myocardial Infarction, Center for Cardiovascular Translational Research, Peking University People's Hospital, Beijing, China
| | - Manyan Wu
- Department of Cardiology, Beijing Key Laboratory of Early Prediction and Intervention of Acute Myocardial Infarction, Center for Cardiovascular Translational Research, Peking University People's Hospital, Beijing, China
| | - Nana Ge
- Department of Geriatrics, Beijing Renhe Hospital, Beijing, China
| | - Yuxia Cui
- Department of Cardiology, Beijing Key Laboratory of Early Prediction and Intervention of Acute Myocardial Infarction, Center for Cardiovascular Translational Research, Peking University People's Hospital, Beijing, China
| | - Zheng Lian
- Department of Cardiology, Beijing Key Laboratory of Early Prediction and Intervention of Acute Myocardial Infarction, Center for Cardiovascular Translational Research, Peking University People's Hospital, Beijing, China
| | - Junxian Song
- Department of Cardiology, Beijing Key Laboratory of Early Prediction and Intervention of Acute Myocardial Infarction, Center for Cardiovascular Translational Research, Peking University People's Hospital, Beijing, China
| | - Hong Chen
- Department of Cardiology, Beijing Key Laboratory of Early Prediction and Intervention of Acute Myocardial Infarction, Center for Cardiovascular Translational Research, Peking University People's Hospital, Beijing, China.
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141
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Takei J, Itai S, Furusawa Y, Yamada S, Nakamura T, Sano M, Harada H, Fukui M, Kaneko MK, Kato Y. Epitope Mapping of Anti-Tiger Podoplanin Monoclonal Antibody PMab-231. Monoclon Antib Immunodiagn Immunother 2019; 38:129-132. [DOI: 10.1089/mab.2019.0012] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Affiliation(s)
- Junko Takei
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
- Department of Oral and Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Shunsuke Itai
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
- Department of Oral and Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Yoshikazu Furusawa
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
- New Industry Creation Hatchery Center, Tohoku University, Sendai, Japan
- ZENOAQ RESOURCE CO., LTD., Koriyama, Japan
| | - Shinji Yamada
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Takuro Nakamura
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Masato Sano
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Hiroyuki Harada
- Department of Oral and Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | | | - Mika K. Kaneko
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yukinari Kato
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
- New Industry Creation Hatchery Center, Tohoku University, Sendai, Japan
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142
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Gong MM, Lugo-Cintron KM, White BR, Kerr SC, Harari PM, Beebe DJ. Human organotypic lymphatic vessel model elucidates microenvironment-dependent signaling and barrier function. Biomaterials 2019; 214:119225. [PMID: 31154151 DOI: 10.1016/j.biomaterials.2019.119225] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 05/20/2019] [Accepted: 05/21/2019] [Indexed: 12/12/2022]
Abstract
The lymphatic system is an active player in the pathogenesis of several human diseases, including lymphedema and cancer. Relevant models are needed to advance our understanding of lymphatic biology in disease progression to improve therapy and patient outcomes. Currently, there are few 3D in vitro lymphatic models that can recapitulate the physiological structure, function, and interactions of lymphatic vessels in normal and diseased microenvironments. Here, we developed a 3D microscale lymphatic vessel (μLYMPH) system for generating human lymphatic vessels with physiological tubular structure and function. Consistent with characteristics of lymphatic vessels in vivo, the endothelium of cultured vessels was leaky with an average permeability of 1.38 × 10-5 ± 0.29 × 10-5 cm/s as compared to 0.68 × 10-5 ± 0.13 × 10-5 cm/s for blood vessels. This leakiness also resulted in higher uptake of solute by the lymphatic vessels under interstitial flow, demonstrating recapitulation of their natural draining function. The vessels secreted appropriate growth factors and inflammatory mediators. Our system identified the follistatin/activin axis as a novel pathway in lymphatic vessel maintenance and inflammation. Moreover, the μLYMPH system provided a platform for examining crosstalk between lymphatic vessels and tumor microenvironmental components, such as breast cancer-associated fibroblasts (CAFs). In co-culture with CAFs, vessel barrier function was significantly impaired by CAF-secreted IL-6, a possible pro-metastatic mechanism of lymphatic metastasis. Targeted blocking of the IL-6/IL-6R signaling pathway with an IL-6 neutralizing antibody fully rescued the vessels, demonstrating the potential of our system for screening therapeutic targets. These results collectively demonstrate the μLYMPH system as a powerful model for advancing lymphatic biology in health and disease.
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Affiliation(s)
- Max M Gong
- Department of Biomedical Engineering, University of Wisconsin-Madison, 1451 Engineering Dr., Madison, WI, 53706, USA
| | - Karina M Lugo-Cintron
- Department of Biomedical Engineering, University of Wisconsin-Madison, 1451 Engineering Dr., Madison, WI, 53706, USA
| | - Bridget R White
- Department of Engineering Physics, University of Wisconsin-Platteville, 1 University Plaza, Platteville, WI, 53818, USA
| | - Sheena C Kerr
- Department of Biomedical Engineering, University of Wisconsin-Madison, 1451 Engineering Dr., Madison, WI, 53706, USA
| | - Paul M Harari
- Department of Human Oncology, University of Wisconsin-Madison, 600 Highland Ave., Madison, WI, 53792, USA
| | - David J Beebe
- Department of Biomedical Engineering, University of Wisconsin-Madison, 1451 Engineering Dr., Madison, WI, 53706, USA; Department of Pathology and Laboratory Medicine, University of Wisconsin-Madison, 1685 Highland Ave., Madison, WI, 53705, USA.
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143
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Aiswarya A, Suresh R, Janardhanan M, Savithri V, Aravind T, Mathew L. An immunohistochemical evaluation of podoplanin expression in oral leukoplakia and oral squamous cell carcinoma to explore its potential to be used as a predictor for malignant transformation. J Oral Maxillofac Pathol 2019; 23:159. [PMID: 31110440 PMCID: PMC6503797 DOI: 10.4103/jomfp.jomfp_272_17] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
Background Oral leukoplakia (OL) is a potentially malignant disorder with increased risk for the development of oral squamous cell carcinoma (OSCC). Many cases of OSCC arise from the malignant transformation of preexisting OL. However, the risk of progression into OSCC and the possible prediction of malignant potential of OL remain inconclusive. Recent studies have shown that podoplanin, a mucin-like transmembrane glycoprotein specifically expressed in lymphatic endothelial cells, is expressed in various neoplasms including OSCC, indicating its possible biologic role in tumor cells. In this study, an evaluation of podoplanin expression in OL and OSCC has been carried out to assess its potential role as a biomarker to predict the possibility of malignant transformation in OL cases. Aims and Objectives To assess the usefulness of podoplanin as a potential biomarker for predicting the risk of malignant transformation in OL, by comparing its immunohistochemical expression in OL and OSCC. Materials and Methods Archival paraffin-embedded blocks of 25 OL cases with varying grades of dysplasia and 30 OSCC cases showing its varying grades were selected. Sections were subjected to immunohistochemical staining for podoplanin and compared with the control group for evaluation of results in the three groups. Results A statistically significant increase in podoplanin expression was observed from normal mucosa through OL to OSCC. In the OL cases, the podoplanin staining score progressively increased from mild dysplasia to carcinoma in situ, whereas in OSCC, well-differentiated group showed the maximum expression of podoplanin. Conclusion The progressive increase in podoplanin expression through the increasing grades of dysplasia in OL is suggestive of an increased risk for malignant transformation with increased expression of podoplanin in OL cases. A high podoplanin expression in the well-differentiated OSCC may indicate a vital role for podoplanin in the early stages of tumorigenesis.
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Affiliation(s)
- A Aiswarya
- Department of Oral Pathology and Microbiology, Amrita School of Dentistry, Amrita Vishwa Vidyapeetham, AIMS Campus, Kochi, Kerala, India
| | - Rakesh Suresh
- Department of Oral Pathology and Microbiology, Amrita School of Dentistry, Amrita Vishwa Vidyapeetham, AIMS Campus, Kochi, Kerala, India
| | - Mahija Janardhanan
- Department of Oral Pathology and Microbiology, Amrita School of Dentistry, Amrita Vishwa Vidyapeetham, AIMS Campus, Kochi, Kerala, India
| | - Vindhya Savithri
- Department of Oral Pathology and Microbiology, Amrita School of Dentistry, Amrita Vishwa Vidyapeetham, AIMS Campus, Kochi, Kerala, India
| | - Thara Aravind
- Department of Oral Pathology and Microbiology, Amrita School of Dentistry, Amrita Vishwa Vidyapeetham, AIMS Campus, Kochi, Kerala, India
| | - Lisha Mathew
- Department of Oral Pathology and Microbiology, Amrita School of Dentistry, Amrita Vishwa Vidyapeetham, AIMS Campus, Kochi, Kerala, India
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144
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Stouthandel MEJ, Veldeman L, Van Hoof T. Call for a Multidisciplinary Effort to Map the Lymphatic System with Advanced Medical Imaging Techniques: A Review of the Literature and Suggestions for Future Anatomical Research. Anat Rec (Hoboken) 2019; 302:1681-1695. [PMID: 31087787 DOI: 10.1002/ar.24143] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Revised: 01/21/2019] [Accepted: 03/09/2019] [Indexed: 12/13/2022]
Abstract
This review intends to rekindle efforts to map the lymphatic system by using a more modern approach, based on medical imaging. The structure, function, and pathologies associated with the lymphatic system are first discussed to highlight the need for more accurately mapping the lymphatic system. Next, the need for an interdisciplinary approach, with a central role for the anatomist, to come up with better maps of the lymphatic system is emphasized. The current approaches on lymphatic system research involving medical imaging will be discussed and suggestions will be made for an all-encompassing effort to thoroughly map the entire lymphatic system. A first-hand account of our integration as anatomists in the radiotherapy department is given as an example of interdisciplinary collaboration. From this account, it will become clear that the interdisciplinary collaboration of anatomists in the clinical disciplines involved in lymphatic system research/treatment still holds great promise in terms of improving clinical regimens that are currently being employed. As such, we hope that our fellow anatomists will join us in an interdisciplinary effort to map the lymphatic system, because this could, in a relatively short timeframe, provide improved treatment options for patients with cancer or lymphatic pathologies all over the world. Anat Rec, 302:1681-1695, 2019. © 2019 American Association for Anatomy.
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Affiliation(s)
| | - Liv Veldeman
- Department of Human Structure and Repair, Ghent University, Ghent, Belgium.,Department of Radiation Oncology, Ghent University Hospital, Ghent, Belgium
| | - Tom Van Hoof
- Department of Human Structure and Repair, Ghent University, Ghent, Belgium
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145
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Kato Y, Yamada S, Itai S, Kobayashi A, Konnai S, Kaneko MK. Anti-Horse Podoplanin Monoclonal Antibody PMab-219 is Useful for Detecting Lymphatic Endothelial Cells by Immunohistochemical Analysis. Monoclon Antib Immunodiagn Immunother 2019; 37:272-274. [PMID: 30592702 DOI: 10.1089/mab.2018.0044] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Podoplanin (PDPN) is expressed in lymphatic endothelial cells, where it induces platelet aggregation through C-type lectin-like receptor-2 (CLEC-2). This protein has been characterized for a number of animal species using specific anti-PDPN monoclonal antibodies (mAbs). We recently established the mAb against horse PDPN (horPDPN) named PMab-219. Therefore, in this study, we investigated whether PMab-219 can detect lymphatic endothelial cells in horse tissues. Immunohistochemical analysis demonstrated that PMab-219 strongly stained lymphatic endothelial cells in horse colon tissues, indicating that it will be useful for investigating the function of horPDPN in these cells.
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Affiliation(s)
- Yukinari Kato
- 1 Department of Antibody Drug Development, Tohoku University Graduate School of Medicine , Sendai, Miyagi, Japan .,2 New Industry Creation Hatchery Center, Tohoku University , Sendai, Miyagi, Japan
| | - Shinji Yamada
- 1 Department of Antibody Drug Development, Tohoku University Graduate School of Medicine , Sendai, Miyagi, Japan
| | - Shunsuke Itai
- 1 Department of Antibody Drug Development, Tohoku University Graduate School of Medicine , Sendai, Miyagi, Japan
| | - Atsushi Kobayashi
- 3 Laboratory of Comparative Pathology, Faculty of Veterinary Medicine, Hokkaido University , Sapporo, Japan
| | - Satoru Konnai
- 4 Laboratory of Infectious Diseases, Department of Disease Control, Faculty of Veterinary Medicine, Hokkaido University , Sapporo, Japan .,5 Department of Advanced Pharmaceutics, Faculty of Veterinary Medicine, Hokkaido University , Sapporo, Japan
| | - Mika K Kaneko
- 1 Department of Antibody Drug Development, Tohoku University Graduate School of Medicine , Sendai, Miyagi, Japan
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146
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Chang CW, Seibel AJ, Song JW. Application of microscale culture technologies for studying lymphatic vessel biology. Microcirculation 2019; 26:e12547. [PMID: 30946511 DOI: 10.1111/micc.12547] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 03/04/2019] [Accepted: 04/02/2019] [Indexed: 12/17/2022]
Abstract
Immense progress in microscale engineering technologies has significantly expanded the capabilities of in vitro cell culture systems for reconstituting physiological microenvironments that are mediated by biomolecular gradients, fluid transport, and mechanical forces. Here, we examine the innovative approaches based on microfabricated vessels for studying lymphatic biology. To help understand the necessary design requirements for microfluidic models, we first summarize lymphatic vessel structure and function. Next, we provide an overview of the molecular and biomechanical mediators of lymphatic vessel function. Then we discuss the past achievements and new opportunities for microfluidic culture models to a broad range of applications pertaining to lymphatic vessel physiology. We emphasize the unique attributes of microfluidic systems that enable the recapitulation of multiple physicochemical cues in vitro for studying lymphatic pathophysiology. Current challenges and future outlooks of microscale technology for studying lymphatics are also discussed. Collectively, we make the assertion that further progress in the development of microscale models will continue to enrich our mechanistic understanding of lymphatic biology and physiology to help realize the promise of the lymphatic vasculature as a therapeutic target for a broad spectrum of diseases.
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Affiliation(s)
- Chia-Wen Chang
- Department of Chemical and Biomolecular Engineering, The Ohio State University, Columbus, Ohio
| | - Alex J Seibel
- Department of Chemical and Biomolecular Engineering, The Ohio State University, Columbus, Ohio
| | - Jonathan W Song
- Department of Mechanical and Aerospace Engineering, The Ohio State University, Columbus, Ohio.,The Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio
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147
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Csányi G, Singla B. Arterial Lymphatics in Atherosclerosis: Old Questions, New Insights, and Remaining Challenges. J Clin Med 2019; 8:jcm8040495. [PMID: 30979062 PMCID: PMC6518204 DOI: 10.3390/jcm8040495] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 03/29/2019] [Accepted: 04/08/2019] [Indexed: 12/15/2022] Open
Abstract
The lymphatic network is well known for its role in the maintenance of tissue fluid homeostasis, absorption of dietary lipids, trafficking of immune cells, and adaptive immunity. Aberrant lymphatic function has been linked to lymphedema and immune disorders for a long time. Discovery of lymphatic cell markers, novel insights into developmental and postnatal lymphangiogenesis, development of genetic mouse models, and the introduction of new imaging techniques have improved our understanding of lymphatic function in both health and disease, especially in the last decade. Previous studies linked the lymphatic vasculature to atherosclerosis through regulation of immune responses, reverse cholesterol transport, and inflammation. Despite extensive research, many aspects of the lymphatic circulation in atherosclerosis are still unknown and future studies are required to confirm that arterial lymphangiogenesis truly represents a therapeutic target in patients with cardiovascular disease. In this review article, we provide an overview of factors and mechanisms that regulate lymphangiogenesis, summarize recent findings on the role of lymphatics in macrophage reverse cholesterol transport, immune cell trafficking and pathogenesis of atherosclerosis, and present an overview of pharmacological and genetic strategies to modulate lymphatic vessel density in cardiovascular tissue.
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Affiliation(s)
- Gábor Csányi
- Vascular Biology Center, 1460 Laney Walker Blvd., Medical College of Georgia, Augusta University, Augusta, GA 30912, USA.
- Department of Pharmacology & Toxicology, 1460 Laney Walker Blvd., Medical College of Georgia, Augusta University, Augusta, GA 30912, USA.
| | - Bhupesh Singla
- Vascular Biology Center, 1460 Laney Walker Blvd., Medical College of Georgia, Augusta University, Augusta, GA 30912, USA.
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148
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Kato Y, Furusawa Y, Yamada S, Itai S, Takei J, Sano M, Kaneko MK. Establishment of a monoclonal antibody PMab-225 against alpaca podoplanin for immunohistochemical analyses. Biochem Biophys Rep 2019; 18:100633. [PMID: 30997422 PMCID: PMC6451175 DOI: 10.1016/j.bbrep.2019.100633] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 03/02/2019] [Accepted: 03/27/2019] [Indexed: 01/06/2023] Open
Abstract
Podoplanin (PDPN) is known as a lymphatic endothelial cell marker. Monoclonal antibodies (mAbs) against human, mouse, rat, rabbit, dog, cat, bovine, pig, and horse PDPN have been established in our previous studies. However, mAbs against alpaca PDPN (aPDPN), required for immunohistochemical analysis, remain to be developed. In the present study, we employed the Cell-Based Immunization and Screening (CBIS) method for producing anti-aPDPN mAbs. We immunized mice with aPDPN-overexpressing Chinese hamster ovary (CHO)-K1 cells (CHO/aPDPN), and hybridomas producing mAbs against aPDPN were screened using flow cytometry. One of the mAbs, PMab-225 (IgG2b, kappa), specifically detected CHO/aPDPN cells via flow cytometry and recognized the aPDPN protein on Western blotting. Further, PMab-225 strongly stained lung type I alveolar cells, colon lymphatic endothelial cells, and kidney podocytes via immunohistochemistry. These findings demonstrate that PMab-225 antibody is useful to investigate the function of aPDPN via different techniques. PDPN is known as a specific lymphatic endothelial cell (LEC) marker. Sensitive and specific PMab-225 mAb against alpaca PDPN was produced. PMab-225 strongly reacted with alpaca PDPN in flow cytometry. PMab-225 is useful for IHC using paraffin-embedded cell sections.
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Key Words
- Alpaca podoplanin
- CBIS, Cell-Based Immunization and Screening
- CHO, Chinese hamster ovary
- CLEC-2, C-type lectin-like receptor-2
- DAB, 3,3′-diaminobenzidine tetrahydrochloride
- PBS, phosphate-buffered saline
- PDPN
- PDPN, podoplanin
- PMab-225
- PVDF, polyvinylidene difluoride
- SDS, sodium dodecyl sulfate
- aPDPN, alpaca podoplanin
- hPDPN, human podoplanin
- mAb, monoclonal antibody
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Affiliation(s)
- Yukinari Kato
- New Industry Creation Hatchery Center, Tohoku University, 2-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan.,Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan
| | - Yoshikazu Furusawa
- New Industry Creation Hatchery Center, Tohoku University, 2-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan.,Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan
| | - Shinji Yamada
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan
| | - Shunsuke Itai
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan
| | - Junko Takei
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan
| | - Masato Sano
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan
| | - Mika K Kaneko
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan
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149
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Kaneko MK, Furusawa Y, Sano M, Itai S, Takei J, Harada H, Fukui M, Yamada S, Kato Y. Epitope Mapping of the Antihorse Podoplanin Monoclonal Antibody PMab-202. Monoclon Antib Immunodiagn Immunother 2019; 38:79-84. [DOI: 10.1089/mab.2019.0001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Affiliation(s)
- Mika K. Kaneko
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yoshikazu Furusawa
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
- New Industry Creation Hatchery Center, Tohoku University, Sendai, Japan
- ZENOAQ Resource Co., Ltd., Koriyama, Japan
| | - Masato Sano
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Shunsuke Itai
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
- Department of Oral and Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Junko Takei
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
- Department of Oral and Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Hiroyuki Harada
- Department of Oral and Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | | | - Shinji Yamada
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yukinari Kato
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Japan
- New Industry Creation Hatchery Center, Tohoku University, Sendai, Japan
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150
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Yamada S, Kaneko MK, Furusawa Y, Itai S, Sano M, Nakamura T, Yanaka M, Handa S, Hisamatsu K, Nakamura Y, Koyanagi M, Fukui M, Harada H, Kato Y. Anti-Bovine Podoplanin Monoclonal Antibody PMab-44 Detects Goat Podoplanin in Immunohistochemistry. Monoclon Antib Immunodiagn Immunother 2019; 38:96-99. [DOI: 10.1089/mab.2018.0031] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Shinji Yamada
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Mika K. Kaneko
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Yoshikazu Furusawa
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
- New Industry Creation Hatchery Center, Tohoku University, Sendai, Miyagi, Japan
- Zenoaq Resource Co., Ltd., Koriyama, Fukushima, Japan
| | - Shunsuke Itai
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
- Department of Oral and Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Masato Sano
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Takuro Nakamura
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Miyuki Yanaka
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Saori Handa
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Kayo Hisamatsu
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Yoshimi Nakamura
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | | | - Masato Fukui
- Zenoaq Resource Co., Ltd., Koriyama, Fukushima, Japan
| | - Hiroyuki Harada
- Department of Oral and Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Yukinari Kato
- Department of Antibody Drug Development, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
- New Industry Creation Hatchery Center, Tohoku University, Sendai, Miyagi, Japan
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