Peer Review History
| Original SubmissionMarch 12, 2024 |
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PONE-D-24-10029N-terminomics profiling of host proteins targeted by excretory-secretory proteases of the nematode Angiostrongylus vasorum identifies points of interaction with canine coagulation and complement cascadePLOS ONE Dear Dr. Tritten, Thank you for submitting your manuscript to PLOS ONE. After careful consideration, we feel that it has merit but does not fully meet PLOS ONE’s publication criteria as it currently stands. Therefore, we invite you to submit a revised version of the manuscript that addresses the points raised during the review process. Please submit your revised manuscript by Nov 21 2024 11:59PM. If you will need more time than this to complete your revisions, please reply to this message or contact the journal office at plosone@plos.org. When you're ready to submit your revision, log on to https://www.editorialmanager.com/pone/ and select the 'Submissions Needing Revision' folder to locate your manuscript file. Please include the following items when submitting your revised manuscript:
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The PLOS ONE style templates can be found at https://journals.plos.org/plosone/s/file?id=wjVg/PLOSOne_formatting_sample_main_body.pdf and https://journals.plos.org/plosone/s/file?id=ba62/PLOSOne_formatting_sample_title_authors_affiliations.pdf 2. Please include a caption for figure 1A and 2A. 3. Please review your reference list to ensure that it is complete and correct. If you have cited papers that have been retracted, please include the rationale for doing so in the manuscript text, or remove these references and replace them with relevant current references. Any changes to the reference list should be mentioned in the rebuttal letter that accompanies your revised manuscript. If you need to cite a retracted article, indicate the article’s retracted status in the References list and also include a citation and full reference for the retraction notice. [Note: HTML markup is below. Please do not edit.] Reviewers' comments: Reviewer's Responses to Questions Comments to the Author 1. Is the manuscript technically sound, and do the data support the conclusions? The manuscript must describe a technically sound piece of scientific research with data that supports the conclusions. Experiments must have been conducted rigorously, with appropriate controls, replication, and sample sizes. The conclusions must be drawn appropriately based on the data presented. Reviewer #1: Yes Reviewer #2: Partly Reviewer #3: Yes ********** 2. Has the statistical analysis been performed appropriately and rigorously? Reviewer #1: N/A Reviewer #2: I Don't Know Reviewer #3: Yes ********** 3. Have the authors made all data underlying the findings in their manuscript fully available? The PLOS Data policy requires authors to make all data underlying the findings described in their manuscript fully available without restriction, with rare exception (please refer to the Data Availability Statement in the manuscript PDF file). The data should be provided as part of the manuscript or its supporting information, or deposited to a public repository. For example, in addition to summary statistics, the data points behind means, medians and variance measures should be available. If there are restrictions on publicly sharing data—e.g. participant privacy or use of data from a third party—those must be specified. Reviewer #1: Yes Reviewer #2: No Reviewer #3: Yes ********** 4. Is the manuscript presented in an intelligible fashion and written in standard English? PLOS ONE does not copyedit accepted manuscripts, so the language in submitted articles must be clear, correct, and unambiguous. Any typographical or grammatical errors should be corrected at revision, so please note any specific errors here. Reviewer #1: Yes Reviewer #2: Yes Reviewer #3: Yes ********** 5. Review Comments to the Author Please use the space provided to explain your answers to the questions above. You may also include additional comments for the author, including concerns about dual publication, research ethics, or publication ethics. (Please upload your review as an attachment if it exceeds 20,000 characters) Reviewer #1: Dear authors, the research presented is exceptional. And consequently, opens a very rich field for for further investigation (as you pointed out). I tried my best to find even a minute error. It is my privilege to address to you, for the first time in my reviewer carrier that I do not have any remarks. Congratulations! Reviewer #2: Germitsch et al. investigate the proteolytic processing in the canine plasma and serum samples, which were subjected to the nematode Angiostrongylus vasorum; it might be informative to have a detailed overview of the proteolysis present in the canine blood. The study is straightforward and a continuation of similar proteomic efforts by the corresponding group – in general, I am aware of the problems working with non-classical (lab) animals and the sub-per quality of the corresponding databases. Taking this into account, I find the study interesting, but there are two core points, which the authors would need to address: First, they are applying a ProteoMiner depletion kit on plasma and serum samples and comparing the different sample matrices with each other. But there is no thorough characterization of the depletion by this kit – especially, as the authors are trying to compare plasma to serum differences in proteolysis. But what is the alteration in the proteome composition of plasma and serum before/after the kit application? That is a very crucial question for this study and should be answered. Second, the mentioned PRIDE repository is not accessible and logging in as reviewer_pxd042869@ebi.ac.uk I get an error: “Invalid Accession or Token!”. I would like to check the deposited raw data/analysis files from Proteome Discoverer to follow the authors’ data analysis strategy. Besides these two main points: the discussion about the results is a bit limited; especially after L352, what would be potential ways to apply the information gained by altered proteolysis in these dogs? How could you make use of this? Did you identify any cleavage which you could inhibit/promote to improve the health outcomes? Some detailed comments: - L57: Which timeframe was used in these experiments? - L61: TAILS is far from being new; are there other methods, which might be used in a similar manner. Why did the authors pick TAILS – what is the rationale for this kind of workflow: maybe explain more, why such an approach might be useful? - L97: Why was this kind of depletion used – is there any kind of justification? Where is any assessment of the kit effect? The authors should clearly show the alterations introduced by the kit, at least on the proteome-level by comparing the proteomes before/after depletion? Especially important for this study, as plasma and serum are compared – but are plasma or serum appropriately depleted to the same extent or do you introduce a bias merely by the depletion kit? - L107: TMT6plex here and then TMT10plex in other places throughout the text? What exactly was the labeling strategy (6 or 10plex)? It should be mentioned correctly in the methods. - L116: What was the applied protease-to-proteome ratio during digestion? - L149: Why two strains and not only one – at least for me this is not obvious. - L158: Invalid accession or token error in PRIDE – please correct. - L162: Which adjustment (post-hoc correction) strategy was applied and is this built-in from Proteome Discoverer or self-calculated? If so, with which packages? - L190: Concentrate only on the peptides, not PSMs. - L210: For this table, only take the log2 abundance ratio, that is more informative. The “Distance to...” columns from TopFINDer are rather irritating here, as they are deduced from the homologous human cleavages. Maybe mention this in the text but remove it from the table. - L304: Or might be the consequence of sequential cleavages by endo/carboxypeptidases processing N-termini/C-termini further - but avoid calling it irrelevant. You comment a little later exactly on that. - L352: But the proteolytic activity will be before blood drawing, so does not seem to link. Why does plasma show less cleavage... - L380: Would this be easy to check with inhibition by E-64 or similar compounds? - Figures: - Figure 1B+C: Rather present bar charts for these comparisons - the pie charts do not really serve the information you want to convey here. - In the volcano plots: please add gene symbols in addition to protein IDs, as this is much easier to follow for the normal reader. - Figure 1D: And which log2FC do we see here? It is not presented in the figure itself; maybe embed this information in the axis titles. Reviewer #3: Methods: Sample Specificity: Why were both serum and plasma samples used in this study, and how could their distinct properties (e.g., calcium availability in plasma) influence the detection of cleavage sites and protease activity? TAILS Method Application: What potential biases or limitations does the TAILS (Terminal Amine Isotopic Labeling of Substrates) method introduce, especially regarding the identification of cleavage sites? How might these limitations affect the results? Protease Identification: Given that 57 proteases and proteasome subunits were identified in A. vasorum ESP, how were these proteases selected for further analysis, and how was their relevance to coagulation and complement pathways determined? Host Protein Interactions: How was the specificity of A. vasorum protease interaction with host proteins verified in this study, and how could cross-reactions with non-relevant host proteins be ruled out? Results: Cleavage Site Novelty: Many of the identified cleavage sites in coagulation and complement proteins were novel. How confident can we be that these cleavage events are functionally relevant, given that they do not align with known human protein processing sites? Coagulation Factor V and IX Cleavage: Cleavage of coagulation factor V and factor IX was observed, which may suggest proteolytic degradation. How does this finding correlate with the clinical symptoms (e.g., bleeding disorders) seen in infected dogs, and are there any in vivo validations that directly link these cleavage events to the observed pathology? Complement System Impact: The study identified cleavage sites within complement proteins (C3, C4, C5). How do these specific cleavages influence the activation or inhibition of the complement pathway, and what are the potential downstream consequences for immune response in the host? Discussion: Mechanism of Proteolysis: The study suggests that A. vasorum ESP can either directly or indirectly cleave host proteins involved in coagulation and complement pathways. What evidence supports the hypothesis of direct cleavage by parasite proteases, and how might indirect mechanisms (e.g., host protease activation) be distinguished? Species-Specific Differences: Only a few cleavage sites were conserved between dogs and humans. How could this affect the translatability of these findings to human parasitic infections or coagulation disorders, and what challenges arise in comparing dog and human orthologous proteins? Future Directions for Protease Study: The study highlights potential future directions, including isolating specific A. vasorum proteases for detailed analysis. What challenges do you anticipate in isolating and characterizing these proteases, particularly in verifying their cleavage specificity and relevance to the coagulation cascade? ********** 6. PLOS authors have the option to publish the peer review history of their article (what does this mean?). If published, this will include your full peer review and any attached files. If you choose “no”, your identity will remain anonymous but your review may still be made public. Do you want your identity to be public for this peer review? For information about this choice, including consent withdrawal, please see our Privacy Policy. Reviewer #1: Yes: Daniel Turudic Reviewer #2: No Reviewer #3: No ********** [NOTE: If reviewer comments were submitted as an attachment file, they will be attached to this email and accessible via the submission site. Please log into your account, locate the manuscript record, and check for the action link "View Attachments". If this link does not appear, there are no attachment files.] While revising your submission, please upload your figure files to the Preflight Analysis and Conversion Engine (PACE) digital diagnostic tool, https://pacev2.apexcovantage.com/. PACE helps ensure that figures meet PLOS requirements. To use PACE, you must first register as a user. Registration is free. Then, login and navigate to the UPLOAD tab, where you will find detailed instructions on how to use the tool. 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| Revision 1 |
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N-terminomics profiling of host proteins targeted by excretory-secretory proteases of the nematode Angiostrongylus vasorum identifies points of interaction with canine coagulation and complement cascade PONE-D-24-10029R1 Dear Dr. Tritten, We’re pleased to inform you that your manuscript has been judged scientifically suitable for publication and will be formally accepted for publication once it meets all outstanding technical requirements. Within one week, you’ll receive an e-mail detailing the required amendments. When these have been addressed, you’ll receive a formal acceptance letter and your manuscript will be scheduled for publication. An invoice will be generated when your article is formally accepted. Please note, if your institution has a publishing partnership with PLOS and your article meets the relevant criteria, all or part of your publication costs will be covered. Please make sure your user information is up-to-date by logging into Editorial Manager at Editorial Manager® and clicking the ‘Update My Information' link at the top of the page. If you have any questions relating to publication charges, please contact our Author Billing department directly at authorbilling@plos.org. If your institution or institutions have a press office, please notify them about your upcoming paper to help maximize its impact. If they’ll be preparing press materials, please inform our press team as soon as possible -- no later than 48 hours after receiving the formal acceptance. Your manuscript will remain under strict press embargo until 2 pm Eastern Time on the date of publication. For more information, please contact onepress@plos.org. Kind regards, Elham Kazemirad, Ph.D Academic Editor PLOS ONE Reviewers' comments: Reviewer's Responses to Questions Comments to the Author 1. If the authors have adequately addressed your comments raised in a previous round of review and you feel that this manuscript is now acceptable for publication, you may indicate that here to bypass the “Comments to the Author” section, enter your conflict of interest statement in the “Confidential to Editor” section, and submit your "Accept" recommendation. Reviewer #2: All comments have been addressed Reviewer #3: All comments have been addressed ********** 2. Is the manuscript technically sound, and do the data support the conclusions? The manuscript must describe a technically sound piece of scientific research with data that supports the conclusions. Experiments must have been conducted rigorously, with appropriate controls, replication, and sample sizes. The conclusions must be drawn appropriately based on the data presented. Reviewer #2: Yes Reviewer #3: Yes ********** 3. Has the statistical analysis been performed appropriately and rigorously? Reviewer #2: Yes Reviewer #3: Yes ********** 4. Have the authors made all data underlying the findings in their manuscript fully available? The PLOS Data policy requires authors to make all data underlying the findings described in their manuscript fully available without restriction, with rare exception (please refer to the Data Availability Statement in the manuscript PDF file). The data should be provided as part of the manuscript or its supporting information, or deposited to a public repository. For example, in addition to summary statistics, the data points behind means, medians and variance measures should be available. If there are restrictions on publicly sharing data—e.g. participant privacy or use of data from a third party—those must be specified. Reviewer #2: Yes Reviewer #3: Yes ********** 5. Is the manuscript presented in an intelligible fashion and written in standard English? PLOS ONE does not copyedit accepted manuscripts, so the language in submitted articles must be clear, correct, and unambiguous. Any typographical or grammatical errors should be corrected at revision, so please note any specific errors here. Reviewer #2: Yes Reviewer #3: Yes ********** 6. Review Comments to the Author Please use the space provided to explain your answers to the questions above. You may also include additional comments for the author, including concerns about dual publication, research ethics, or publication ethics. (Please upload your review as an attachment if it exceeds 20,000 characters) Reviewer #2: The authors addressed my comments and clarified my open questions. Especially the access to the PRIDE repository for the raw data/analysis is possible now. Reviewer #3: (No Response) ********** 7. PLOS authors have the option to publish the peer review history of their article (what does this mean?). If published, this will include your full peer review and any attached files. If you choose “no”, your identity will remain anonymous but your review may still be made public. Do you want your identity to be public for this peer review? For information about this choice, including consent withdrawal, please see our Privacy Policy. Reviewer #2: No Reviewer #3: Yes: Abolfazl Mirzadeh ********** |
| Formally Accepted |
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PONE-D-24-10029R1 PLOS ONE Dear Dr. Tritten, I'm pleased to inform you that your manuscript has been deemed suitable for publication in PLOS ONE. Congratulations! Your manuscript is now being handed over to our production team. At this stage, our production department will prepare your paper for publication. This includes ensuring the following: * All references, tables, and figures are properly cited * All relevant supporting information is included in the manuscript submission, * There are no issues that prevent the paper from being properly typeset If revisions are needed, the production department will contact you directly to resolve them. If no revisions are needed, you will receive an email when the publication date has been set. At this time, we do not offer pre-publication proofs to authors during production of the accepted work. Please keep in mind that we are working through a large volume of accepted articles, so please give us a few weeks to review your paper and let you know the next and final steps. Lastly, if your institution or institutions have a press office, please let them know about your upcoming paper now to help maximize its impact. If they'll be preparing press materials, please inform our press team within the next 48 hours. Your manuscript will remain under strict press embargo until 2 pm Eastern Time on the date of publication. For more information, please contact onepress@plos.org. If we can help with anything else, please email us at customercare@plos.org. Thank you for submitting your work to PLOS ONE and supporting open access. Kind regards, PLOS ONE Editorial Office Staff on behalf of Dr. Elham Kazemirad Academic Editor PLOS ONE |
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