Origin and development of septoclasts in endochondral ossification of mice. 2018

Yasuhiko Bando, and Hide Sakashita, and Fuyoko Taira, and Genki Miyake, and Yudai Ogasawara, and Koji Sakiyama, and Yuji Owada, and Osamu Amano
Division of Anatomy, Meikai University School of Dentistry, 1-1 Keyakidai, Sakado, Saitama, 3500283, Japan. y-bando@dent.meikai.ac.jp.

Septoclasts are mononuclear spindle-shaped phagocytes with their long processes in uncalcified cartilage matrices and locate adjacent to the capillary endothelium at the chondro-osseous junction of the growth plate. We have previously revealed a selective expression of epidermal-type fatty acid-binding protein (E-FABP/FABP5) in septoclasts. Although, pericytes are known to distribute along capillaries and directly surround their endothelial cells in a situation similar to septoclasts, no clear evidence is available on the relationship between septoclasts and pericytes. We investigated the chronological localization and morphological change of septoclasts during development of the tibia of mice to clarify the development of septoclasts and the immune-localization of pericyte markers in septoclasts to clarify the origin of septoclasts. E-FABP-immunoreactive septoclasts emerged at the perichondrium in the middle of the cartilaginous templates of the tibia in prenatal development. Septoclasts migrated to the surface of the cartilage adjacent to invading blood vessels. Processes of septoclasts became longer and their apexes attached to Von Kossa-negative uncalcified matrices during the formation process of the primary ossification center. Not only platelet-derived growth factor receptor beta, but also neuron-glial antigen 2 was localized in septoclasts of mice from E15 (embryonic day 15) to P6w (postnatal 6 week). Our results suggest that septoclasts are originated from pericytes and involved in the blood vessel invasion during formation of the primary ossification center.

UI MeSH Term Description Entries
D008815 Mice, Inbred Strains Genetically identical individuals developed from brother and sister matings which have been carried out for twenty or more generations, or by parent x offspring matings carried out with certain restrictions. All animals within an inbred strain trace back to a common ancestor in the twentieth generation. Inbred Mouse Strains,Inbred Strain of Mice,Inbred Strain of Mouse,Inbred Strains of Mice,Mouse, Inbred Strain,Inbred Mouse Strain,Mouse Inbred Strain,Mouse Inbred Strains,Mouse Strain, Inbred,Mouse Strains, Inbred,Strain, Inbred Mouse,Strains, Inbred Mouse
D009363 Neoplasm Proteins Proteins whose abnormal expression (gain or loss) are associated with the development, growth, or progression of NEOPLASMS. Some neoplasm proteins are tumor antigens (ANTIGENS, NEOPLASM), i.e. they induce an immune reaction to their tumor. Many neoplasm proteins have been characterized and are used as tumor markers (BIOMARKERS, TUMOR) when they are detectable in cells and body fluids as monitors for the presence or growth of tumors. Abnormal expression of ONCOGENE PROTEINS is involved in neoplastic transformation, whereas the loss of expression of TUMOR SUPPRESSOR PROTEINS is involved with the loss of growth control and progression of the neoplasm. Proteins, Neoplasm
D010012 Osteogenesis The process of bone formation. Histogenesis of bone including ossification. Bone Formation,Ossification, Physiologic,Endochondral Ossification,Ossification,Ossification, Physiological,Osteoclastogenesis,Physiologic Ossification,Endochondral Ossifications,Ossification, Endochondral,Ossifications,Ossifications, Endochondral,Osteoclastogeneses,Physiological Ossification
D010586 Phagocytes Cells that can carry out the process of PHAGOCYTOSIS. Phagocyte,Phagocytic Cell,Phagocytic Cells,Cell, Phagocytic,Cells, Phagocytic
D005260 Female Females
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D050556 Fatty Acid-Binding Proteins Intracellular proteins that reversibly bind hydrophobic ligands including: saturated and unsaturated FATTY ACIDS; EICOSANOIDS; and RETINOIDS. They are considered a highly conserved and ubiquitously expressed family of proteins that may play a role in the metabolism of LIPIDS. Fatty Acid-Binding Protein,Adipocyte Lipid Binding Protein,Adipocyte-Specific Fatty Acid-Binding Protein,Brain-Type Fatty Acid-Binding Protein,Cytosolic Lipid-Binding Proteins,Fatty Acid-Binding Protein, Cardiac Myocyte,Fatty Acid-Binding Protein, Myocardial,Fatty Acid-Binding Proteins, Adipocyte-Specific,Fatty Acid-Binding Proteins, Brain-Specific,Fatty Acid-Binding Proteins, Cytosolic-Specific,Fatty Acid-Binding Proteins, Intestinal-Specific,Fatty Acid-Binding Proteins, Liver-Specific,Fatty Acid-Binding Proteins, Myocardial-Specific,Fatty Acid-Binding Proteins, Plasma-Membrane Specific,Intestinal Fatty Acid-Binding Protein,Liver Fatty Acid-Binding Protein,Myocardial Fatty Acid-Binding Protein,Plasma Membrane Fatty Acid-Binding Protein,Acid-Binding Protein, Fatty,Adipocyte Specific Fatty Acid Binding Protein,Brain Type Fatty Acid Binding Protein,Cytosolic Lipid Binding Proteins,Fatty Acid Binding Protein,Fatty Acid Binding Protein, Cardiac Myocyte,Fatty Acid Binding Protein, Myocardial,Fatty Acid Binding Proteins,Fatty Acid Binding Proteins, Adipocyte Specific,Fatty Acid Binding Proteins, Brain Specific,Fatty Acid Binding Proteins, Cytosolic Specific,Fatty Acid Binding Proteins, Intestinal Specific,Fatty Acid Binding Proteins, Liver Specific,Fatty Acid Binding Proteins, Myocardial Specific,Fatty Acid Binding Proteins, Plasma Membrane Specific,Intestinal Fatty Acid Binding Protein,Lipid-Binding Proteins, Cytosolic,Liver Fatty Acid Binding Protein,Myocardial Fatty Acid Binding Protein,Plasma Membrane Fatty Acid Binding Protein,Protein, Fatty Acid-Binding
D051379 Mice The common name for the genus Mus. Mice, House,Mus,Mus musculus,Mice, Laboratory,Mouse,Mouse, House,Mouse, Laboratory,Mouse, Swiss,Mus domesticus,Mus musculus domesticus,Swiss Mice,House Mice,House Mouse,Laboratory Mice,Laboratory Mouse,Mice, Swiss,Swiss Mouse,domesticus, Mus musculus

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