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| Formato: | Artículo científico |
| Lenguaje: | en |
| Publicado: |
Physiological reports
2026
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| Acceso en línea: | https://pubmed.ncbi.nlm.nih.gov/41703986/ |
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| _version_ | 1868266084867506176 |
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| author | Maeno, Takahiro Ushijima, Tomoki Ojima, Koichi Ogawa, Yohei Hayashi, Sayuki Imakyure, Hikaru Osaki, Rika Oyama, Ryuki Ogawa, Aoi Takano, Akimasa Mizoguchi, Kaoru Yokoyama, Issei Komiya, Yusuke Nakamura, Mako Tatsumi, Ryuichi Suzuki, Takahiro |
| author_facet | Maeno, Takahiro Ushijima, Tomoki Ojima, Koichi Ogawa, Yohei Hayashi, Sayuki Imakyure, Hikaru Osaki, Rika Oyama, Ryuki Ogawa, Aoi Takano, Akimasa Mizoguchi, Kaoru Yokoyama, Issei Komiya, Yusuke Nakamura, Mako Tatsumi, Ryuichi Suzuki, Takahiro Maeno, Takahiro Ushijima, Tomoki Ojima, Koichi Ogawa, Yohei Hayashi, Sayuki Imakyure, Hikaru Osaki, Rika Oyama, Ryuki Ogawa, Aoi Takano, Akimasa Mizoguchi, Kaoru Yokoyama, Issei Komiya, Yusuke Nakamura, Mako Tatsumi, Ryuichi Suzuki, Takahiro |
| collection | PubMed - marine biology |
| contents | The uncoordinated-5 homologue A is a key receptor in netrin-ligand-mediated fast-twitch myotube formation in male mice. Maeno, Takahiro Ushijima, Tomoki Ojima, Koichi Ogawa, Yohei Hayashi, Sayuki Imakyure, Hikaru Osaki, Rika Oyama, Ryuki Ogawa, Aoi Takano, Akimasa Mizoguchi, Kaoru Yokoyama, Issei Komiya, Yusuke Nakamura, Mako Tatsumi, Ryuichi Suzuki, Takahiro Animals Mice Netrin Receptors Male Muscle Fibers, Fast-Twitch Cell Differentiation Netrin-1 Muscle Development Netrins Membrane Proteins Myoblasts autonomously govern myofiber-type specification of newly formed myotubes through autocrine-paracrine-dependent manners mediated by multipotent modulators. Netrin-1, which is particularly produced in myoblasts isolated from the extensor digitorum longus (EDL; fast-twitch myofiber-abundant) rather than the soleus (slow-twitch myofiber-abundant), and netrin-4, which is abundantly expressed during myogenic differentiation initiation, stimulate the synthesis of fast-type myosin heavy chain (MyHC) isoforms. However, the mechanisms by which netrin-1 and netrin-4 promote fast-twitch myotube formation remain unclear. Here, we investigated the roles of netrin receptors, uncoordinated-5 homologues (UNC5A, -B, -C, and -D), deleted in colorectal cancer (DCC), and the DCC paralog (neogenin) during myogenic differentiation, focusing on fast-twitch myotube formation. We confirmed that UNC5A, UNC5B, UNC5C, and neogenin synthesis patterns in EDL myoblasts showed no marked differences compared with those in soleus myoblasts. Notably, UNC5A knockdown severely inhibited fast-twitch myotube formation compared with other receptor knockdown treatments and significantly reduced the synthesis of fast-type MyHC isoforms. Additional treatment with recombinant netrin-1 or netrin-4 induced fast-type MyHC mRNA expression; however, this effect was suppressed by UNC5A knockdown. These findings revealed that UNC5A is involved in fast-twitch myotube formation via netrin ligands, highlighting an autonomous fast-type myofiber commitment system within myoblasts. |
| format | Artículo científico |
| id | pubmed_41703986 |
| institution | PubMed |
| language | en |
| publishDate | 2026 |
| publisher | Physiological reports |
| record_format | pubmed |
| spellingShingle | The uncoordinated-5 homologue A is a key receptor in netrin-ligand-mediated fast-twitch myotube formation in male mice. Maeno, Takahiro Ushijima, Tomoki Ojima, Koichi Ogawa, Yohei Hayashi, Sayuki Imakyure, Hikaru Osaki, Rika Oyama, Ryuki Ogawa, Aoi Takano, Akimasa Mizoguchi, Kaoru Yokoyama, Issei Komiya, Yusuke Nakamura, Mako Tatsumi, Ryuichi Suzuki, Takahiro Animals Mice Netrin Receptors Male Muscle Fibers, Fast-Twitch Cell Differentiation Netrin-1 Muscle Development Netrins Membrane Proteins The uncoordinated-5 homologue A is a key receptor in netrin-ligand-mediated fast-twitch myotube formation in male mice. Maeno, Takahiro Ushijima, Tomoki Ojima, Koichi Ogawa, Yohei Hayashi, Sayuki Imakyure, Hikaru Osaki, Rika Oyama, Ryuki Ogawa, Aoi Takano, Akimasa Mizoguchi, Kaoru Yokoyama, Issei Komiya, Yusuke Nakamura, Mako Tatsumi, Ryuichi Suzuki, Takahiro Animals Mice Netrin Receptors Male Muscle Fibers, Fast-Twitch Cell Differentiation Netrin-1 Muscle Development Netrins Membrane Proteins Myoblasts autonomously govern myofiber-type specification of newly formed myotubes through autocrine-paracrine-dependent manners mediated by multipotent modulators. Netrin-1, which is particularly produced in myoblasts isolated from the extensor digitorum longus (EDL; fast-twitch myofiber-abundant) rather than the soleus (slow-twitch myofiber-abundant), and netrin-4, which is abundantly expressed during myogenic differentiation initiation, stimulate the synthesis of fast-type myosin heavy chain (MyHC) isoforms. However, the mechanisms by which netrin-1 and netrin-4 promote fast-twitch myotube formation remain unclear. Here, we investigated the roles of netrin receptors, uncoordinated-5 homologues (UNC5A, -B, -C, and -D), deleted in colorectal cancer (DCC), and the DCC paralog (neogenin) during myogenic differentiation, focusing on fast-twitch myotube formation. We confirmed that UNC5A, UNC5B, UNC5C, and neogenin synthesis patterns in EDL myoblasts showed no marked differences compared with those in soleus myoblasts. Notably, UNC5A knockdown severely inhibited fast-twitch myotube formation compared with other receptor knockdown treatments and significantly reduced the synthesis of fast-type MyHC isoforms. Additional treatment with recombinant netrin-1 or netrin-4 induced fast-type MyHC mRNA expression; however, this effect was suppressed by UNC5A knockdown. These findings revealed that UNC5A is involved in fast-twitch myotube formation via netrin ligands, highlighting an autonomous fast-type myofiber commitment system within myoblasts. |
| title | The uncoordinated-5 homologue A is a key receptor in netrin-ligand-mediated fast-twitch myotube formation in male mice. |
| topic | Animals Mice Netrin Receptors Male Muscle Fibers, Fast-Twitch Cell Differentiation Netrin-1 Muscle Development Netrins Membrane Proteins |
| url | https://pubmed.ncbi.nlm.nih.gov/41703986/ |