May a Strain Chlamydia Isolated From SARS Patient’s Autopsy Issues Inhibit the Proliferation of SARS-CoV? An Early Observation in Vitro

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Abstract

We found that a strain chlamydia isolated from SARS patient’s autopsy issues could decrease the proliferation of SARS-CoV in vitro; The inhibitory factors distribute both in the extracellular and intracellular cultures.

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  1. SciScore for 10.1101/2021.08.27.457969: (What is this?)

    Please note, not all rigor criteria are appropriate for all manuscripts.

    Table 1: Rigor

    EthicsField Sample Permit: 1.1 Virus, chlamydia and cells: SARS-CoV (BJ01 strain), the strain Chlamydia-1 (isolated from the autopsy specimens of SARS-CoV patients), and Human Embryo Kidney 293 Cells were kindly provided by Prof. Hong T (Chinese Center for Disease Control and Prevention, Beijing, China); the strain Chlamydia psittaci (C. psittaci) was purchased from the China veterinary Culture Collection Center (No.CVCC2410).
    Sex as a biological variablenot detected.
    Randomizationnot detected.
    Blindingnot detected.
    Power Analysisnot detected.
    Cell Line Authenticationnot detected.

    Table 2: Resources

    Experimental Models: Cell Lines
    SentencesResources
    The final titration of the strain Chlamydia-1 were 1.2×105 IFUs/mL, and the final titration of the strain C. psittaci were 3.0×105 IFUs/mL. 1.2 Co-infection of SARS-CoV and chlamydia in 293 cells: For the co-infection of SARS-CoV and the strain Chlamydia-1: 293 cells were cultured in 200 uL dulbecco’s modified eagle’s medium (DMKM) supplemented with 10% fetal bovine serum (FBS) and 1% antibiotics/antimycotic, seeded in a 96-well cell plate with 1×105 cells per well (a 13 mm round coverslip was paved in each well in advance), and then kept in 5% CO2, saturated humidity, and 37°C.
    293
    suggested: None
    Software and Algorithms
    SentencesResources
    All of the statistical analyses were performed with statistical product and service solutions (SPSS) version 25.0.
    SPSS
    suggested: (SPSS, RRID:SCR_002865)

    Results from OddPub: We did not detect open data. We also did not detect open code. Researchers are encouraged to share open data when possible (see Nature blog).


    Results from LimitationRecognizer: An explicit section about the limitations of the techniques employed in this study was not found. We encourage authors to address study limitations.

    Results from TrialIdentifier: No clinical trial numbers were referenced.


    Results from Barzooka: We did not find any issues relating to the usage of bar graphs.


    Results from JetFighter: We did not find any issues relating to colormaps.


    Results from rtransparent:
    • Thank you for including a conflict of interest statement. Authors are encouraged to include this statement when submitting to a journal.
    • Thank you for including a funding statement. Authors are encouraged to include this statement when submitting to a journal.
    • No protocol registration statement was detected.

    Results from scite Reference Check: We found no unreliable references.


    About SciScore

    SciScore is an automated tool that is designed to assist expert reviewers by finding and presenting formulaic information scattered throughout a paper in a standard, easy to digest format. SciScore checks for the presence and correctness of RRIDs (research resource identifiers), and for rigor criteria such as sex and investigator blinding. For details on the theoretical underpinning of rigor criteria and the tools shown here, including references cited, please follow this link.