Oral Administration of Geranylgeraniol Rescues Denervation-induced Muscle Atrophy


Journal

In vivo (Athens, Greece)
ISSN: 1791-7549
Titre abrégé: In Vivo
Pays: Greece
ID NLM: 8806809

Informations de publication

Date de publication:
Historique:
received: 19 05 2020
revised: 04 06 2020
accepted: 05 06 2020
entrez: 3 9 2020
pubmed: 3 9 2020
medline: 22 6 2021
Statut: ppublish

Résumé

Geranylgeraniol (GGOH), a C20 isoprenoid naturally occurs in several foods. We previously reported that GGOH treatment reduced the expression levels of Atrogin-1 which is involved in skeletal muscle degradation and stimulates the myogenic differentiation of C2C12 myoblasts. However, the effect of GGOH supplementation on skeletal muscle metabolism in vivo is unknown. Skeletal muscle atrophy was induced by denervation. The expression levels of Atrogin-1 were assessed by western blotting or real time PCR. Intraoral administration of GGOH reduced the decrease in the cross-sectional area of muscle fibers and also suppressed the expression levels of Atrogin-1 in denervation induced muscle atrophy. Also, GGOH treatment suppressed the expression of Atrogin-1 and the decrease in skeletal muscle fiber size by glucocorticoid in vitro. Intraoral administration of GGOH rescues denervation-induced muscle atrophy via suppression of Atrogin-1.

Sections du résumé

BACKGROUND/AIM OBJECTIVE
Geranylgeraniol (GGOH), a C20 isoprenoid naturally occurs in several foods. We previously reported that GGOH treatment reduced the expression levels of Atrogin-1 which is involved in skeletal muscle degradation and stimulates the myogenic differentiation of C2C12 myoblasts. However, the effect of GGOH supplementation on skeletal muscle metabolism in vivo is unknown.
MATERIALS AND METHODS METHODS
Skeletal muscle atrophy was induced by denervation. The expression levels of Atrogin-1 were assessed by western blotting or real time PCR.
RESULTS RESULTS
Intraoral administration of GGOH reduced the decrease in the cross-sectional area of muscle fibers and also suppressed the expression levels of Atrogin-1 in denervation induced muscle atrophy. Also, GGOH treatment suppressed the expression of Atrogin-1 and the decrease in skeletal muscle fiber size by glucocorticoid in vitro.
CONCLUSION CONCLUSIONS
Intraoral administration of GGOH rescues denervation-induced muscle atrophy via suppression of Atrogin-1.

Identifiants

pubmed: 32871759
pii: 34/5/2345
doi: 10.21873/invivo.12047
pmc: PMC7652489
doi:

Substances chimiques

Diterpenes 0
geranylgeraniol AIA02AJA3A

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

2345-2351

Informations de copyright

Copyright© 2020, International Institute of Anticancer Research (Dr. George J. Delinasios), All rights reserved.

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Auteurs

Aki Miyawaki (A)

Division of Molecular Signaling and Biochemistry, Department of Health Improvement, Kyushu Dental University, Kitakyushu, Japan.
Division of Oral and Maxillofacial Surgery, Department of Science and Physical Functions, Kyushu Dental University, Kitakyushu, Japan.

Thira Rojasawasthien (T)

Division of Molecular Signaling and Biochemistry, Department of Health Improvement, Kyushu Dental University, Kitakyushu, Japan.

Suzuro Hitomi (S)

Department of Physiology, Nihon University School of Dentistry, Tokyo, Japan.

Yoshinori Aoki (Y)

Foods and Nutrition Science Div. Mitsubishi-Chemical Foods Corporation, Tokyo, Japan.

Mariko Urata (M)

Division of Molecular Signaling and Biochemistry, Department of Health Improvement, Kyushu Dental University, Kitakyushu, Japan.

Asako Inoue (A)

Division of Molecular Signaling and Biochemistry, Department of Health Improvement, Kyushu Dental University, Kitakyushu, Japan.

Takuma Matsubara (T)

Division of Molecular Signaling and Biochemistry, Department of Health Improvement, Kyushu Dental University, Kitakyushu, Japan.

Kazumasa Morikawa (K)

Division of Pediatric and Special Care Dentistry, Department of Developmental Oral Health Science, School of Dentistry, Iwate Medical University, Morioka, Japan.

Manabu Habu (M)

Division of Oral and Maxillofacial Surgery, Department of Science and Physical Functions, Kyushu Dental University, Kitakyushu, Japan.

Kazuhiro Tominaga (K)

Division of Oral and Maxillofacial Surgery, Department of Science and Physical Functions, Kyushu Dental University, Kitakyushu, Japan.

Shoichiro Kokabu (S)

Division of Molecular Signaling and Biochemistry, Department of Health Improvement, Kyushu Dental University, Kitakyushu, Japan r14kokabu@fa.kyu-dent.ac.jp.

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Classifications MeSH