Mutual Effects of Orexin and Bone Morphogenetic Proteins on Catecholamine Regulation Using Adrenomedullary Cells
Orexins are neuronal peptides that play a prominent role in sleep behavior and feeding behavior in the central nervous system, though their receptors also exist in peripheral organs, including the adrenal gland. In this study, the effects of orexins on catecholamine synthesis in the rat adrenomedullary cell line PC12 were investigated by focusing on their interaction with the adrenomedullary bone morphogenetic protein (BMP)-4. Orexin A treatment reduced the mRNA levels of key enzymes for catecholamine synthesis, including tyrosine hydroxylase (Th), 3,4-dihydroxyphenylalanie decarboxylase (Ddc) and dopamine β-hydroxylase (Dbh), in a concentration-dependent manner. On the other hand, treatment with BMP-4 suppressed the expression of Th and Ddc but enhanced that of Dbh with or without co-treatment with orexin A. Of note, orexin A augmented BMP-receptor signaling detected by the phosphorylation of Smad1/5/9 through the suppression of inhibitory Smad6/7 and the upregulation of BMP type-II receptor (BMPRII). Furthermore, treatment with BMP-4 upregulated the mRNA levels of OX1R in PC12 cells. Collectively, the results indicate that orexin and BMP-4 suppress adrenomedullary catecholamine synthesis by mutually upregulating the pathway of each other in adrenomedullary cells.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:25 |
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| Enthalten in: |
International journal of molecular sciences - 25(2024), 3 vom: 27. Jan. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Soejima, Yoshiaki [VerfasserIn] |
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| Links: |
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| Themen: |
Bone Morphogenetic Proteins |
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| Anmerkungen: |
Date Completed 22.02.2024 Date Revised 22.02.2024 published: Electronic Citation Status MEDLINE |
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| doi: |
10.3390/ijms25031585 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM368283542 |
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| 100 | 1 | |a Soejima, Yoshiaki |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Mutual Effects of Orexin and Bone Morphogenetic Proteins on Catecholamine Regulation Using Adrenomedullary Cells |
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| 520 | |a Orexins are neuronal peptides that play a prominent role in sleep behavior and feeding behavior in the central nervous system, though their receptors also exist in peripheral organs, including the adrenal gland. In this study, the effects of orexins on catecholamine synthesis in the rat adrenomedullary cell line PC12 were investigated by focusing on their interaction with the adrenomedullary bone morphogenetic protein (BMP)-4. Orexin A treatment reduced the mRNA levels of key enzymes for catecholamine synthesis, including tyrosine hydroxylase (Th), 3,4-dihydroxyphenylalanie decarboxylase (Ddc) and dopamine β-hydroxylase (Dbh), in a concentration-dependent manner. On the other hand, treatment with BMP-4 suppressed the expression of Th and Ddc but enhanced that of Dbh with or without co-treatment with orexin A. Of note, orexin A augmented BMP-receptor signaling detected by the phosphorylation of Smad1/5/9 through the suppression of inhibitory Smad6/7 and the upregulation of BMP type-II receptor (BMPRII). Furthermore, treatment with BMP-4 upregulated the mRNA levels of OX1R in PC12 cells. Collectively, the results indicate that orexin and BMP-4 suppress adrenomedullary catecholamine synthesis by mutually upregulating the pathway of each other in adrenomedullary cells | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a catecholamine and adrenal | |
| 650 | 4 | |a orexin | |
| 650 | 7 | |a Bone Morphogenetic Proteins |2 NLM | |
| 650 | 7 | |a Catecholamines |2 NLM | |
| 650 | 7 | |a Orexins |2 NLM | |
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| 650 | 7 | |a Tyrosine 3-Monooxygenase |2 NLM | |
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| 700 | 1 | |a Yamamoto, Koichiro |e verfasserin |4 aut | |
| 700 | 1 | |a Suyama, Atsuhito |e verfasserin |4 aut | |
| 700 | 1 | |a Nakano, Yasuhiro |e verfasserin |4 aut | |
| 700 | 1 | |a Otsuka, Fumio |e verfasserin |4 aut | |
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