Peer Review History
Original SubmissionJune 23, 2020 |
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PONE-D-20-19309 Blood pressure and bladder cancer risk in men by use of survival analysis and in interaction with NAT2 genotype, and by Mendelian randomization analysis PLOS ONE Dear Dr. Teleka, 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 respond to the major issues regarding the methods and the results according to the reviewers' comments. Please ensure that our decision is justified on PLOS ONE’s publication criteria and not, for example, on novelty or perceived impact. ============================== Please submit your revised manuscript by Oct 09 2020 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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If your ethics statement is written in any section besides the Methods, please move it to the Methods section and delete it from any other section. Please also ensure that your ethics statement is included in your manuscript, as the ethics section of your online submission will not be published alongside your manuscript. 5. Please include captions for your Supporting Information files at the end of your manuscript, and update any in-text citations to match accordingly. Please see our Supporting Information guidelines for more information: http://journals.plos.org/plosone/s/supporting-information. [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: Partly Reviewer #2: Yes ********** 2. Has the statistical analysis been performed appropriately and rigorously? Reviewer #1: Yes Reviewer #2: 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: 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 ********** 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: The manuscript entitled “Blood pressure and bladder cancer risk in men by use of survival analysis and in interaction with NAT2 genotype, and by Mendelian randomization analysis” by Teleka et al. seeks to confirm associations between blood pressure and bladder cancer risk in men, using data from two large prospective cohorts, the Sweden cohort and the UK-biobank. In addition to traditional survival models, the authors constructed genetic scores using significant SNPs based on previous GWAS findings and incorporated in mendelian randomization analysis. These are the strengths of the study. However, the significance of the study is reduced by the following concerns: 1. The study was claimed to address the residual confounding effect of smoking on associations between blood pressure and bladder cancer risk, because smoking is the major risk factor for bladder cancer. However, besides the standard adjustment for smoking status and packyears in the analysis, the study did not take any extra effort to control the residual effect of smoking. Mendelian randomization analysis was primarily applied to genetic scores, not for smoking. The statement in the abstract “we investigated the association between BP and BC risk among men using survival analysis and mendelian randomization analysis in an attempt to disconnect the association from smoking” is misleading. 2. The observed associations differed between Sweden cohort and UK-biobank. It was noted that blood pressure was only a one-time measurement and it was measured in the Sweden cohort in 1974-1996 and in the UK-biobank in 2006-2010. With an average 22 years versus 5 years follow-up time between the two cohorts, the leading times between the blood pressure measurement and bladder cancer diagnosis in the two cohorts were likely differed markedly, which would confound the associations. Discussion on this matter is necessary. 3. It is not clear why an SNP in NAT2 was included in the association analysis of blood pressure and bladder cancer risk. Genetic variants in NAT2 are known to modify the relationships between carcinogen exposure and bladder cancer risk, but not affect blood pressure. Some justifications would help appreciate the significance of the analysis. Some minor issues: 1. Please define SBP and DBP at the first appearance, page 4, last paragraph. 2. Please check Figure 1A and 1B for RERI calculation. It is identical between the two figures. Reviewer #2: Overall, this is an interesting manuscript. The authors investigated the association between blood pressure (BP) and bladder cancer (BC) risk through both traditional survival analysis and Mendelian randomized analysis, using two large datasets - UK biobank and the Swedish cohorts. In addition, the authors evaluated the interaction between BP and NAT2 (rs1495741) on the risk of bladder cancer. However, there are a few comments that I believe need additional clarification and consideration. In lines 49-55, the authors described three assumptions for Mendelian randomization analysis. However, it is unclear whether such instrumental variable assumptions are satisfied in this application. Please provide a clear justification for the assumptions either using biological knowledge (e.g., the Bradford Hill criteria) or statistical testing. On page 8, why do the authors consider the analysis of pleiotropy? The authors wanted to evaluate the instrumental variables assumptions implicitly, so they tested NAT2 genetic variants with the measured covariates to assess potential pleiotropy? In addition, can the authors clarify whether the causal pathways from NAT2 genetic variants to BC are through the risk factor BP or through pleiotropy (i.e., NAT2 genetic association with other variables is via a different causal pathway and not via BP), or both? In Table 2, why does the sum of muscle-invasive (N_cases=105) and non-muscle invasive (N_cases=425) bladder cancer cases not equal to the total number of bladder cancer incidence in MDCS and MPP cohorts (N_cases=928)? Due to missing values in tumor staging? In Figures 1A and 1B, the relative excess risk of interaction (RERI) values do not seem to be consistent with that derived from 2x2 tables for MDCS and UK biobank, respectively. For example, as shown in a 2x2 table of Figure 1A, R10=1, R01=1.15, R11=1.40, and therefore the value of RERI should be calculated by 1.40-1-1.15+1 = 0.25, but not 0.31. Also, for UK biobank in Figure 1B, that does not sound right to me. For Figure 2, why is the relative risk [or OR] estimate of SBP based on the two stage least square regression (2SLS) method larger than that from the inverse variance weighted (IVW) method using MDCS data in Mendelian randomization analysis? Can the authors provide an explanation? The caption of Figure 2 stated “relative risk (95% confidence interval)”, but the authors stated “the odds ratio (OR) (95% CI) in lines 269-270. Please fix them (relative risk or OR). ********** 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: No Reviewer #2: 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". 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Revision 1 |
Blood pressure and bladder cancer risk in men by use of survival analysis and in interaction with NAT2 genotype, and by Mendelian randomization analysis PONE-D-20-19309R1 Dear Dr. Teleka, 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 for payment will follow shortly after the formal acceptance. To ensure an efficient process, please log into Editorial Manager at http://www.editorialmanager.com/pone/, click the 'Update My Information' link at the top of the page, and double check that your user information is up-to-date. If you have any billing related questions, 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, Jeffrey S Chang Academic Editor PLOS ONE Additional Editor Comments (optional): 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 #1: All comments have been addressed Reviewer #2: 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 #1: Yes Reviewer #2: Yes ********** 3. Has the statistical analysis been performed appropriately and rigorously? Reviewer #1: Yes Reviewer #2: 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 #1: Yes Reviewer #2: 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 #1: Yes Reviewer #2: 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 #1: All my previous concerns were fully addressed and the manuscript was modified accordingly. I have no additional questions. Reviewer #2: The authors have addressed and clarified the questions I raised in my previous review. I have no further comments to make. ********** 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 #1: No Reviewer #2: No |
Formally Accepted |
PONE-D-20-19309R1 Blood pressure and bladder cancer risk in men by use of survival analysis and in interaction with NAT2 genotype, and by Mendelian randomization analysis Dear Dr. Teleka: I'm pleased to inform you that your manuscript has been deemed suitable for publication in PLOS ONE. Congratulations! Your manuscript is now with our production department. 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 plosone@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. Jeffrey S Chang Academic Editor PLOS ONE |
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