Review for 10.1186/s12876-018-0842-7 (2018)

Reviewer ’s report  
 
Title: Taurocholic acid is an active promoting factor, not just a biomarker of progression of liver 
cirrhosis: evidence from a human metabolomic study and in vitro experiments  
 
Version: 1 Date: 31 May 2018  
 
Reviewer: Abhishek Agnihotri  
 
Reviewer's report:  
 
The authors have si gnificantly improved the manuscript and the message is now more clear. I 
would recommend a thorough proof read for grammatical errors.  
 
Some minor errors - 
Title, please add comma after "promoting factor"  
Background, marker 38, change "resulted" to "resultin g" 
Background, next page, line mark 8,  change "depend" to "depends"  
Please go through the rest of the manuscript in detail as there are a few other minor grammar 
mistakes.  
Are the methods appropriate and well described?  
If not, please specify what is required in your comments to the authors.  
 
Yes 
 
Does the work include the necessary controls?  
If not, please specify which controls are required in your comments to the authors . 
 
Yes 
 
Are the conclusions drawn adequately supported by the data shown?  
If not, please explain in your comments to the authors.  
 
Yes 
 
  
Are you able to assess any statistics in the manuscript or would you recommend an  
additional statistical review?  
If an addit ional statistical review is recommended, please specify what aspects require further  
assessment in your comments to the editors.  
 
I am able to assess the statistics  
 
Quality of written English  
Please indicate the quality of language in the manuscript:  
 
Needs some language corrections before being published  
 
Declaration of competing interests  
Please complete a declaration of competing interests, considering the following questions:  
 
1. Have you in the past five years received reimbursements, fees, funding, or sal ary from an  
organisation that may in any way gain or lose financially from the publication of this  
manuscript, either now or in the future?  
 
2. Do you hold any stocks or shares in an organisation that may in any way gain or lose  
financially from the publication of this manuscript, either now or in the future?  
 
3. Do you hold or are you currently applying for any patents relating to the content of the  
manuscript?  
 
4. Have you received reimbursements, fees, funding, or salary from an organization that 
holds  or has applied for patents relating to the content of the manuscript?  
 
5. Do you have any other financial competing interests?  
 
6. Do you have any non -financial competing interests in relation to this paper?  
 
If you can answer no to al l of the above, write 'I declare that I have no competing interests' 
below.  If your reply is yes to any, please give details below.  
 
I declare that I have no competing interests  
 
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on my report to the authors and, if the manuscript is accepted for publication, my named report  
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to the  editors, which will no t be published.  
 
I agree to the open peer review policy of the journal