Review for 10.1186/s12876-020-01574-8 (2020)

Reviewer’s report
Title: 
A polymeric diet rich in transforming growth factor beta 2 does not reduce
inflammation in chronic 2,4,6-trinitrobenzene sulfonic acid colitis in pre-pubertal
rats
Version: 
0 
Date: 
09 Oct 2020
Reviewer's report:
-Add the unique of this study compared to other studies discuss the same issue.
-Add more on the basic of this disease in the introduction
-Discus role of imaging using these ref
-Abd-El Khalek Abd-ALRazek A, Fahmy DM. Diagnostic Value of Diffusion-
Weighted Imaging and Apparent Diffusion Coefficient in Assessment of the
Activity of Crohn 
Disease: 1.5 or 3 T. J Comput Assist Tomogr 2018;42:688-
696.
-Abdel Razek AA, Abu Zeid MM, Bilal M, Abdel Wahab NM. Virtual CT
colonoscopy versus conventional colonoscopy: a prospective study.
Hepatogastroenterology 2005;52:1698-702.
-English language correction through the manuscript
-Discus and compare your results with other studies discuss the same issue
-Update of references as most of references are old 
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Is the study design appropriate to answer the research question (including the use
of appropriate controls), and are the conclusions supported by the evidence
presented?
Yes
Are the methods sufficiently described to allow the study to be repeated?
Yes
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Yes
Is the presentation of the work clear?
Yes
Are the images in this manuscript (including electrophoretic gels and blots) free
from apparent manipulation?
Yes