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Hani T, Fujita K, Kudo T, Taya Y, Sato K, Soeno Y. Tissue-Targeted Transcriptomics Reveals SEMA3D Control of Hypoglossal Nerve Projection to Mouse Tongue Primordia. Acta Histochem Cytochem 2024; 57:35-46. [PMID: 38463205 PMCID: PMC10918430 DOI: 10.1267/ahc.23-00073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Accepted: 01/16/2024] [Indexed: 03/12/2024] Open
Abstract
The mouse hypoglossal nerve originates in the occipital motor nuclei at embryonic day (E)10.5 and projects a long distance, reaching the vicinity of the tongue primordia, the lateral lingual swellings, at E11.5. However, the details of how the hypoglossal nerve correctly projects to the primordia are poorly understood. To investigate the molecular basis of hypoglossal nerve elongation, we used a novel transcriptomic approach using the ROKU method. The ROKU algorithm identified 3825 genes specific for lateral lingual swellings at E11.5, of which 34 genes were predicted to be involved in axon guidance. Ingenuity Pathway Analysis-assisted enrichment revealed activation of the semaphorin signaling pathway during tongue development, and quantitative PCR showed that the expressions of Sema3d and Nrp1 in this pathway peaked at E11.5. Immunohistochemistry detected NRP1 in the hypoglossal nerve and SEMA3D as tiny granules in the extracellular space beneath the epithelium of the tongue primordia and in lateral and anterior regions of the mandibular arch. Fewer SEMA3D granules were localized around hypoglossal nerve axons and in the space where they elongated. In developing tongue primordia, tissue-specific regulation of SEMA3D might control the route of hypoglossal nerve projection via its repulsive effect on NRP1.
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Affiliation(s)
- Taisuke Hani
- Department of Pathology, The Nippon Dental University, School of Life Dentistry at Tokyo, 1-9-20, Fujimi, Chiyoda-ku, 102-8159 Tokyo, Japan
| | - Kazuya Fujita
- Department of Pathology, The Nippon Dental University, School of Life Dentistry at Tokyo, 1-9-20, Fujimi, Chiyoda-ku, 102-8159 Tokyo, Japan
| | - Tomoo Kudo
- Department of Pathology, The Nippon Dental University, School of Life Dentistry at Tokyo, 1-9-20, Fujimi, Chiyoda-ku, 102-8159 Tokyo, Japan
| | - Yuji Taya
- Department of Pathology, The Nippon Dental University, School of Life Dentistry at Tokyo, 1-9-20, Fujimi, Chiyoda-ku, 102-8159 Tokyo, Japan
| | - Kaori Sato
- Department of Pathology, The Nippon Dental University, School of Life Dentistry at Tokyo, 1-9-20, Fujimi, Chiyoda-ku, 102-8159 Tokyo, Japan
| | - Yuuichi Soeno
- Department of Pathology, The Nippon Dental University, School of Life Dentistry at Tokyo, 1-9-20, Fujimi, Chiyoda-ku, 102-8159 Tokyo, Japan
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Li X, Chen X, Zhang Z, Wang X, Han W, Kim BS, Yan Y, Chai G, Zhang Y. Morphological and quantitative study of the inferior alveolar nerve canal in hemifacial microsomia. Sci Rep 2024; 14:4753. [PMID: 38413665 PMCID: PMC10899633 DOI: 10.1038/s41598-024-54318-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 02/11/2024] [Indexed: 02/29/2024] Open
Abstract
This study aimed to probe into the anatomic course of inferior alveolar nerve canal (IANC) in hemifacial microsomia (HFM) on a large scale, morphological observations and further quantitative study were performed. Patients were classified by Pruzansky-Kaban classification. The anatomic course of IANC was analyzed morphologically with three-dimensional (3D) imaging software among 248 patients. Seven distances between fixed landmarks on both sides were measured for 236 patients. The differences between affected and unaffected sides were compared. Significant differences were found in the entrance (P < 0.001), route (P < 0.001), and exit (P < 0.05) of IANC in type IIb and III HFM. The higher the degree of mandibular deformity was, the higher the incidence of IANC variation was (P < 0.05). The distances in the horizontal aspect of IANC including from mandibular foramen to mental foramen (P < 0.05) and from mental foramen to gonion (P < 0.05) were significantly shorter on the affected side. Abnormalities of the anatomical course of IANC exist in patients with Pruzansky-Kaban type IIb and type III HFM. The reduction of IANC on the affected side in the horizontal distance is more obvious. Three-dimensional imaging assessment is recommended before surgery.
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Affiliation(s)
- Xin Li
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhi Zao Ju Road, Shanghai, 200011, People's Republic of China
| | - Xiaojun Chen
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhi Zao Ju Road, Shanghai, 200011, People's Republic of China
| | - Ziwei Zhang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhi Zao Ju Road, Shanghai, 200011, People's Republic of China
| | - Xuetong Wang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhi Zao Ju Road, Shanghai, 200011, People's Republic of China
| | - Wenqing Han
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhi Zao Ju Road, Shanghai, 200011, People's Republic of China
| | - Byeong Seop Kim
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhi Zao Ju Road, Shanghai, 200011, People's Republic of China
| | - Yingjie Yan
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhi Zao Ju Road, Shanghai, 200011, People's Republic of China
| | - Gang Chai
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhi Zao Ju Road, Shanghai, 200011, People's Republic of China
| | - Yan Zhang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhi Zao Ju Road, Shanghai, 200011, People's Republic of China.
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Shimazu Y, Taya Y, Soeno Y, Kudo T, Sato K, Takeda M. The relationship between Meckel's cartilage resorption and incisor tooth germ in mice. J Anat 2023; 243:534-544. [PMID: 37038912 PMCID: PMC10439376 DOI: 10.1111/joa.13875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 03/27/2023] [Accepted: 03/28/2023] [Indexed: 04/12/2023] Open
Abstract
Our understanding of the initiation and cellular mechanisms underlying endochondral resorption of Meckel's cartilage (MC) remains limited. Several studies have shown that the resorption site of MC and the mandibular incisor tooth germ are located close to each other. However, whether incisor tooth germ development is involved in MC resorption remains unclear. In this study, we aimed to elucidate the spatio-temporal interaction between the initiation site of MC resorption and the development of incisor tooth germs in an embryonic mouse model. To this effect, we developed a histology-based three-dimensional (3D) reconstruction technique using paraffin-embedded serial sections of various tissues in the jaw. The serial sections were cut in the frontal section and the tissue constituents (e.g., MC, incisor, and mineralized mandible) were studied using conventional and enzyme-based histochemistry. The outline of each component was marked on the frontal sectional images and 3D structures were constructed. To assess the vascular architecture at the site of MC resorption, immunohistochemical staining using anti-laminin, anti-factor VIII, and anti-VEGF antibodies was performed. MC resorption was first observed on the lateral incisor-facing side of the cartilage rods at sites anterior to the mental foramen on E16.0. The 3D analysis suggested that: (a) the posterior region of the clastic cartilage resorption corresponds to the cervical loop of the incisor; (b) the cervical portion of the tooth germ inflates probably due to temporal cellular congestion prior to differentiation into matrix-producing cells; (c) the incisor tooth germ tissue is present in close proximity to MC even in mouse with continuously growing tooth and determines the disappearance of MC as the tooth development.
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Affiliation(s)
- Yoshihito Shimazu
- Department of Food and Life Science, School of Life and Environmental Science, Azabu University, Sagamihara, Kanagawa, Japan
- Department of Pathology, The Nippon Dental University School of Life Dentistry at Tokyo, Chiyoda-ku, Tokyo, Japan
| | - Yuji Taya
- Department of Pathology, The Nippon Dental University School of Life Dentistry at Tokyo, Chiyoda-ku, Tokyo, Japan
| | - Yuuichi Soeno
- Department of Pathology, The Nippon Dental University School of Life Dentistry at Tokyo, Chiyoda-ku, Tokyo, Japan
| | - Tomoo Kudo
- Department of Pathology, The Nippon Dental University School of Life Dentistry at Tokyo, Chiyoda-ku, Tokyo, Japan
| | - Kaori Sato
- Department of Pathology, The Nippon Dental University School of Life Dentistry at Tokyo, Chiyoda-ku, Tokyo, Japan
| | - Mamoru Takeda
- Department of Food and Life Science, School of Life and Environmental Science, Azabu University, Sagamihara, Kanagawa, Japan
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Tait K, Poyade M, Clancy JA. eLearning and Embryology: Designing an Application to Improve 3D Comprehension of Embryological Structures. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1262:19-38. [DOI: 10.1007/978-3-030-43961-3_2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Maeda S, Fujihira M, Minato Y, Kuwahara-Otani S, Tanaka K, Hayakawa T, Yagi H. Differential Distribution of Renal Nerves in the Sympathetic Ganglia of the Rat. Anat Rec (Hoboken) 2017; 300:2263-2272. [PMID: 28834374 DOI: 10.1002/ar.23680] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Revised: 04/24/2017] [Accepted: 05/08/2017] [Indexed: 12/18/2022]
Abstract
The renal nerve plexus comprises efferent and afferent fibers. It controls urine production and bodily fluid homeostasis. Efferent fibers to the kidney include sympathetic nerve fibers from their main ganglia, the prevertebral suprarenal ganglia (SrG), and the paravertebral sympathetic chain ganglia (ChG). In the present study, we examined topological innervation from these ganglia to the renal parenchymal segments of the left kidney of the rat. Fluoro-Gold was injected into the rostral or caudal poles of the left kidney. Approximately 50% of the cells in the SrG of rats injected in the rostral pole were labeled, while 60% of the cells in the ChG T13 of rats injected in the caudal pole were labeled. In addition, we performed dual-probe retrograde tracing of the nerves using two kinds of fluorescent-conjugated cholera toxins (f-CTbs) injected into the rostral and caudal poles of the left kidney. The cells labeled with each f-CTb were distributed differently in the left SrG and the lower ChGs; no dual-labeled cells were found in these ganglia. Anterograde tracing with pCAGGS-tdTomato vector transfected into the left SrG showed that tdTomato-labeled nerve varicosities extended to the cortical arterioles and urinary tubules. Immunohistochemistry revealed that they were positive to tyrosine hydroxylase and synaptophysin, suggesting that they possessed sympathetic nerve endings. Our results show that renal efferent nerves in the SrG may control the rostral part of the kidney and innervate the multiple effectors in the cortex. Anat Rec, 300:2263-2272, 2017. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Seishi Maeda
- Department of Anatomy and Cell Biology, Hyogo College of Medicine, 1-1 Mukogawa, Nishinomiya, Hyogo 663-8501, Japan
| | - Mayumi Fujihira
- Department of Anatomy and Cell Biology, Hyogo College of Medicine, 1-1 Mukogawa, Nishinomiya, Hyogo 663-8501, Japan
| | - Yusuke Minato
- Department of Anatomy and Cell Biology, Hyogo College of Medicine, 1-1 Mukogawa, Nishinomiya, Hyogo 663-8501, Japan
| | - Sachi Kuwahara-Otani
- Department of Anatomy and Cell Biology, Hyogo College of Medicine, 1-1 Mukogawa, Nishinomiya, Hyogo 663-8501, Japan
| | - Koichi Tanaka
- Department of Anatomy and Cell Biology, Hyogo College of Medicine, 1-1 Mukogawa, Nishinomiya, Hyogo 663-8501, Japan
| | - Tetsu Hayakawa
- Laboratory of Tumor Immunology and Cell Therapy, Hyogo College of Medicine, 1-1 Mukogawa, Nishinomiya, Hyogo 663-8501, Japan
| | - Hideshi Yagi
- Department of Anatomy and Cell Biology, Hyogo College of Medicine, 1-1 Mukogawa, Nishinomiya, Hyogo 663-8501, Japan
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