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Hamilton KL, Greenspan AA, Shienbaum AJ, Fischer BD, Bottaro A, Goldberg GS. Maackia amurensis seed lectin (MASL) ameliorates articular cartilage destruction and increases movement velocity of mice with TNFα induced rheumatoid arthritis. Biochem Biophys Rep 2022; 32:101341. [PMID: 36120492 PMCID: PMC9471970 DOI: 10.1016/j.bbrep.2022.101341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 08/29/2022] [Accepted: 08/30/2022] [Indexed: 11/26/2022] Open
Abstract
Up to 70 million people around the world suffer from rheumatoid arthritis. Current treatment options have varied efficacy and can cause unwanted side effects. New approaches are needed to treat this condition. Sialic acid modifications on chondrocyte receptors have been associated with arthritic inflammation and joint destruction. For example, the transmembrane mucin receptor protein podoplanin (PDPN) has been identified as a functionally relevant receptor that presents extracellular sialic acid motifs. PDPN signaling promotes inflammation and invasion associated with arthritis and, therefore, has emerged as a target that can be used to inhibit arthritic inflammation. Maackia amurensis seed lectin (MASL) can target PDPN on chondrocytes to decrease inflammatory signaling cascades and reduce cartilage destruction in a lipopolysaccharide induced osteoarthritis mouse model. Here, we investigated the effects of MASL on rheumatoid arthritis progression in a TNFα transgenic (TNF-Tg) mouse model. Results from this study indicate that MASL can be administered orally to ameliorate joint malformation and increase velocity of movement exhibited by these TNF-Tg mice. These data support the consideration of MASL as a potential treatment for rheumatoid arthritis.
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Affiliation(s)
- Kelly L. Hamilton
- Rowan University School of Osteopathic Medicine and Graduate School of Biomedical Sciences, 2 Medical Center Dr., Stratford, NJ, 08084, USA
- Medstar Georgetown University Hospital, 3800 Reservoir Road NW, Washington, DC, 20007, USA
| | - Amanda A. Greenspan
- Rowan University School of Osteopathic Medicine and Graduate School of Biomedical Sciences, 2 Medical Center Dr., Stratford, NJ, 08084, USA
| | - Alan J. Shienbaum
- Keystone Medical Laboratories & Pathology Associates, 781 Keystone Industrial Park, Throop, PA, 18512, USA
| | - Bradford D. Fischer
- Cooper Medical School of Rowan University, 401 Broadway, Camden, NJ, 08103, USA
| | - Andrea Bottaro
- Cooper Medical School of Rowan University, 401 Broadway, Camden, NJ, 08103, USA
| | - Gary S. Goldberg
- Rowan University School of Osteopathic Medicine and Graduate School of Biomedical Sciences, 2 Medical Center Dr., Stratford, NJ, 08084, USA
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2
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Wang T, Huang S, He C. Senescent cells: A therapeutic target for osteoporosis. Cell Prolif 2022; 55:e13323. [DOI: 10.1111/cpr.13323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 07/21/2022] [Accepted: 07/25/2022] [Indexed: 11/30/2022] Open
Affiliation(s)
- Tiantian Wang
- Department of Rehabilitation Medicine, Key Laboratory of Rehabilitation Medicine, West China Hospital Sichuan University Chengdu Sichuan China
- Institute of Rehabilitation Medicine, West China Hospital Sichuan University Chengdu Sichuan China
| | - Shishu Huang
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital and West China School of Medicine Sichuan University Chengdu Sichuan China
| | - Chengqi He
- Department of Rehabilitation Medicine, Key Laboratory of Rehabilitation Medicine, West China Hospital Sichuan University Chengdu Sichuan China
- Institute of Rehabilitation Medicine, West China Hospital Sichuan University Chengdu Sichuan China
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3
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Toda Nakamura M, Zhang H, Guo D, Ueharu H, Pan H, Scott G, Harris M, Ray M, Feng JQ, Harris SE, Bonewald LF, Mishina Y. Podoplanin is dispensable for mineralized tissue formation and maintenance in the Swiss outbred mouse background. Genesis 2021; 59:e23450. [PMID: 34487426 DOI: 10.1002/dvg.23450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 08/25/2021] [Accepted: 08/26/2021] [Indexed: 11/07/2022]
Abstract
Podoplanin, PDPN, is a mucin-type transmembrane glycoprotein widely expressed in many tissues, including lung, kidney, lymph nodes, and mineralized tissues. Its function is critical for lymphatic formation, differentiation of type I alveolar epithelial lung cells, and for bone response to biomechanical loading. It has previously been shown that Pdpn null mice die at birth due to respiratory failure emphasizing the importance of Pdpn in alveolar lung development. During the course of generation of Pdpn mutant mice, we found that most Pdpn null mice in the 129S6 and C57BL6/J mixed genetic background die at the perinatal stage, similar to previously published studies with Pdpn null mice, while all Pdpn null mice bred with Swiss outbred mice survived. Surviving mutant mice in the 129S6 and C57BL6/J mixed genetic background showed alterations in the osteocyte lacunocanalicular network, especially reduced osteocyte canaliculi in the tibial cortex with increased tibial trabecular bone. However, adult Pdpn null mice in the Swiss outbred background showed no overt differences in their osteocyte lacunocnalicular network, bone density, and no overt differences when challenged with exercise. Together, these data suggest that genetic variations present in the Swiss outbred mice compensate for the loss of function of PDPN in lung, kidney, and bone.
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Affiliation(s)
- Masako Toda Nakamura
- Department of Biologic and Materials Sciences & Prosthodontics, School of Dentistry, University of Michigan, Ann Arbor, Michigan, USA.,Section of Pediatric Dentistry, Department of Oral Growth and Development, Fukuoka Dental College, Fukuoka, Japan
| | - Honghao Zhang
- Department of Biologic and Materials Sciences & Prosthodontics, School of Dentistry, University of Michigan, Ann Arbor, Michigan, USA
| | - Dayong Guo
- Department of Oral Biology, School of Dentistry, University of Missouri-Kansas City, Kansas City, Missouri, USA
| | - Hiroki Ueharu
- Department of Biologic and Materials Sciences & Prosthodontics, School of Dentistry, University of Michigan, Ann Arbor, Michigan, USA
| | - Haichun Pan
- Department of Biologic and Materials Sciences & Prosthodontics, School of Dentistry, University of Michigan, Ann Arbor, Michigan, USA
| | - Greg Scott
- Knock Out Core, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, USA
| | - Marie Harris
- Department of Oral Biology, School of Dentistry, University of Missouri-Kansas City, Kansas City, Missouri, USA.,UT Health San Antonio, Graduate School of Biomedical Sciences, San Antonio, Texas, USA
| | - Manas Ray
- Knock Out Core, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, USA
| | - Jiang Q Feng
- Department of Oral Biology, School of Dentistry, University of Missouri-Kansas City, Kansas City, Missouri, USA.,Department of Biomedical Sciences, Texas A&M College of Dentistry, Dallas, Texas, USA
| | - Stephen E Harris
- Department of Oral Biology, School of Dentistry, University of Missouri-Kansas City, Kansas City, Missouri, USA.,UT Health San Antonio, Graduate School of Biomedical Sciences, San Antonio, Texas, USA
| | - Lynda F Bonewald
- Department of Oral Biology, School of Dentistry, University of Missouri-Kansas City, Kansas City, Missouri, USA.,Indiana Center for Musculoskeletal Health and Department of Anatomy, Cell Biology and Physiology, Indiana University, Indianapolis, Indiana, USA
| | - Yuji Mishina
- Department of Biologic and Materials Sciences & Prosthodontics, School of Dentistry, University of Michigan, Ann Arbor, Michigan, USA
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Wang Y, Xu L, Wang J, Bai J, Zhai J, Zhu G. Radiation induces primary osteocyte senescence phenotype and affects osteoclastogenesis in vitro. Int J Mol Med 2021; 47:76. [PMID: 33693957 PMCID: PMC7949628 DOI: 10.3892/ijmm.2021.4909] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 02/10/2021] [Indexed: 02/06/2023] Open
Abstract
Irradiation-induced bone remodeling imbalances arise as a consequence of the dysregulation of bone formation and resorption. Due to the abundance of osteocytes, their long life and their dual-regulatory effects on both osteoblast and osteoclast function, they serve as critical coordinators of bone remolding. In the present study, femur and tibia-derived primary osteocytes were cultured and irradiated to observe the functional changes and the cellular senescence phenotype in vitro. Irradiation directly reduced cell viability, affected the crucial dendritic morphology and altered the expression of functional proteins, including upregulation of receptor activator of nuclear factor-κB ligand and sclerostin, and downregulation of osteoprotegerin. Irradiated osteocytes were shown to exhibit notable DNA damage, which resulted in the initiation of a typical cellular senescence phenotype. Furthermore, it was found that irradiation-induced prematurely senescent osteocytes stimulate molecular secretion, referred to as senescence-associated secretory phenotype (SASP), which may be involved in modulation of the bone microenvironment, including the promotion of osteoclastogenesis. Taken together, the results showed that irradiation triggered osteocyte senescence and the acquisition of an associated secretory phenotype. This further resulted in an imbalance of bone remodeling through senescent influence on proliferation, morphology and marker protein production, but also indirectly via a paracrine pathway through SASP secretion. The results of the present study may highlight the potential of SASP-targeted interventions for the management of radiation-induced bone loss.
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Affiliation(s)
- Yuyang Wang
- Department of Radiation Protection, Institute of Radiation Medicine, Fudan University, Shanghai 200032, P.R. China
| | - Linshan Xu
- Department of Radiation Protection, Institute of Radiation Medicine, Fudan University, Shanghai 200032, P.R. China
| | - Jianping Wang
- Department of Radiation Protection, Institute of Radiation Medicine, Fudan University, Shanghai 200032, P.R. China
| | - Jiangtao Bai
- Department of Radiation Protection, Institute of Radiation Medicine, Fudan University, Shanghai 200032, P.R. China
| | - Jianglong Zhai
- Department of Radiation Protection, Institute of Radiation Medicine, Fudan University, Shanghai 200032, P.R. China
| | - Guoying Zhu
- Department of Radiation Protection, Institute of Radiation Medicine, Fudan University, Shanghai 200032, P.R. China
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Nagai T, Hasegawa T, Yimin, Yamamoto T, Hongo H, Abe M, Yoshida T, Yokoyama A, de Freitas PHL, Li M, Yokoyama A, Amizuka N. Immunocytochemical assessment of cell differentiation of podoplanin-positive osteoblasts into osteocytes in murine bone. Histochem Cell Biol 2020; 155:369-380. [PMID: 33175185 DOI: 10.1007/s00418-020-01937-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/24/2020] [Indexed: 01/02/2023]
Abstract
In this study, we examined the immunolocalization of podoplanin/E11, CD44, actin filaments, and phosphorylated ezrin in the osteoblasts on the verge of differentiating into osteocytes in murine femora and tibiae. When observing under stimulated emission depletion microscopy, unlike podoplanin-negative osteoblasts, podoplanin-positive osteoblasts showed a rearranged assembly of actin filaments along the cell membranes which resembled that of embedded osteocytes. In the metaphysis, i.e., the bone remodeling site, CD44-bearing osteoclasts were either proximal to or in contact with podoplanin-positive osteoblasts, but the podoplanin-positive osteoblasts also localized CD44 on their own cell surface. These podoplanin-positive osteoblasts, which either possessed CD44 on their cell surface or were close to CD44-bearing osteoclasts, showed phosphorylated ezrin-positivity on the cell membranes. Therefore, the CD44/podoplanin interaction on the cell surface may be involved in the osteoblastic differentiation into osteocytes in the metaphyses, via the mediation of podoplanin-driven ezrin phosphorylation and the subsequent reorganized assembly of actin filaments. Consistently, the protein expression of phosphorylated ezrin was increased after CD44 administration in calvarial culture. Conversely, in modeling sites such as the cortical bones, podoplanin-positive osteoblasts were uniformly localized at certain intervals even without contact with CD44-positive bone marrow cells; furthermore, they also exhibited phosphorylated ezrin immunoreactivity along their cell membranes. Taken together, it seems likely that the CD44/podoplanin interaction is involved in osteoblastic differentiation into osteocytes in the bone remodeling area but not in modeling sites.
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Affiliation(s)
- Tomoya Nagai
- Developmental Biology of Hard Tissue, Faculty of Dental Medicine, Graduate School of Dental Medicine, Hokkaido University, Kita 13, Nishi 7, Kita-Ku, Sapporo, Hokkaido, 060-8586, Japan.,Oral Functional Prosthodontics, Faculty of Dental Medicine, Graduate School of Dental Medicine, Hokkaido University, Sapporo, Japan
| | - Tomoka Hasegawa
- Developmental Biology of Hard Tissue, Faculty of Dental Medicine, Graduate School of Dental Medicine, Hokkaido University, Kita 13, Nishi 7, Kita-Ku, Sapporo, Hokkaido, 060-8586, Japan.
| | - Yimin
- Central Research Institute, Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Tomomaya Yamamoto
- Department of Dentistry, Camp Asaka, Japan Ground Self-Defense Force, Tokyo, Japan
| | - Hiromi Hongo
- Developmental Biology of Hard Tissue, Faculty of Dental Medicine, Graduate School of Dental Medicine, Hokkaido University, Kita 13, Nishi 7, Kita-Ku, Sapporo, Hokkaido, 060-8586, Japan
| | - Miki Abe
- Developmental Biology of Hard Tissue, Faculty of Dental Medicine, Graduate School of Dental Medicine, Hokkaido University, Kita 13, Nishi 7, Kita-Ku, Sapporo, Hokkaido, 060-8586, Japan
| | - Taiji Yoshida
- Developmental Biology of Hard Tissue, Faculty of Dental Medicine, Graduate School of Dental Medicine, Hokkaido University, Kita 13, Nishi 7, Kita-Ku, Sapporo, Hokkaido, 060-8586, Japan
| | - Ayako Yokoyama
- Developmental Biology of Hard Tissue, Faculty of Dental Medicine, Graduate School of Dental Medicine, Hokkaido University, Kita 13, Nishi 7, Kita-Ku, Sapporo, Hokkaido, 060-8586, Japan.,Gerodontology, Faculty of Dental Medicine, Graduate School of Dental Medicine, Hokkaido University, Sapporo, Japan
| | | | - Minqi Li
- Division of Basic Science of Stomatology, The School of Stomatology, Shandong University, Jinan, China
| | - Atsuro Yokoyama
- Oral Functional Prosthodontics, Faculty of Dental Medicine, Graduate School of Dental Medicine, Hokkaido University, Sapporo, Japan
| | - Norio Amizuka
- Developmental Biology of Hard Tissue, Faculty of Dental Medicine, Graduate School of Dental Medicine, Hokkaido University, Kita 13, Nishi 7, Kita-Ku, Sapporo, Hokkaido, 060-8586, Japan
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