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Volume 28
Issue 2
10.3390/molecules28020688
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Article
Peer-Review Record

Attenuation of Skeletal Muscle Atrophy Induced by Dexamethasone in Rats by Teaghrelin Supplementation

Molecules 2023, 28(2), 688; https://doi.org/10.3390/molecules28020688
by Cian-Fen Jhuo 1, Sheng-Kuo Hsieh 1, Wen-Ying Chen 2,* and Jason T. C. Tzen 1,*
Reviewer 1:
Wonchung Lim
Reviewer 2: Anonymous
Molecules 2023, 28(2), 688; https://doi.org/10.3390/molecules28020688
Submission received: 10 December 2022 / Revised: 5 January 2023 / Accepted: 7 January 2023 / Published: 10 January 2023
(This article belongs to the Special Issue Bioactive Compounds in Food Chemistry and/or Drug Discovery)

Round 1

Reviewer 1 Report

Cian-Fen Jhuo et al report that Attenuation of skeletal muscle atrophy induced by dexamethasone in rats by teaghrelin supplementation. This study is potentially interesting. However, there are several concerns listed below. This paper will be strengthened by addressing the following issues.

1.    The choice of concentration (teaghrelin) and their therapeutic relevance must be justified.

2.    I wonder whether teaghrelin’s effects on skeletal muscle atrophy is ghrelin receptor dependent.

3.    I wonder what is the most important regulator in the effects of teaghrelin? (among the so many targets, ex, creatine kinase, FOXO1, mTOR…) And the authors need to include inhibition study for the important regulator. If so, the authors could suggest solid mechanism for teaghrelin. Because this study is animal study, it is not easy to use TG or KO mice. If so, they should use skeletal muscle cell with knock down and overexpression technique.

Author Response

Please see the attached file.

Author Response File: Author Response.pdf

Reviewer 2 Report

This describes the attenuation of skeletal muscle atrophy induced by dexamethasone in rats by teaghrelin supplementation by Jhuo et al. This is a valuable and compact, well-written  study in this field. However, some points need clarifying and certain statements require further justification.

1)As for introduction, the authors should mention in vivo models and mechanisms of muscle atrophy.

2)As for discussion, the mechanism of muscle atrophy mechanisms including the data in this study, should be mentioned from a broader perspective.

3)The authors may mention the mechanisims of teaghrelin, i.e.effects of teaghrelin on each phase such as early differentiation, and fusion.

3)It would be better if some extra data were added. i.e. histological change.

Author Response

Please see the attached file.

Author Response File: Author Response.pdf

Round 2

Reviewer 1 Report

I support this work is suitable for publication in Molecules.

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