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J Transl Genet Genom 2021;5:288-291.10.20517/jtgg.2021.30© The Author(s) 2021.
Open AccessEditorial

Molecular insight: SERPINB3 and AR sensitivity might reduce the risk of COVID-19 infection and complications in prostate cancer patients receiving androgen-deprivation therapy

1Department of Urology, Case Western Reserve University, School of Medicine, Cleveland, OH 44106, USA.

2The Urology Institute, University Hospitals Cleveland Medical Center, Cleveland, OH 44106, USA.

3Department of Nutrition, Case Western Reserve University, Cleveland, OH 44106, USA.

4Division of General Medical Sciences, Case Comprehensive Cancer Center, Cleveland, OH 44106, USA.

Correspondence to: Dr. Sanjay Gupta, Department of Urology, Case Western Reserve University, School of Medicine, 10900 Euclid Avenue, Cleveland, OH 44106, USA. E-mail: Sanjay.gupta@case.edu

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    Academic Editor: Sanjay Gupta | Copy Editor: Xi-Jun Chen | Production Editor: Xi-Jun Chen
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    © The Author(s) 2021. Open Access This article is licensed under a Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, sharing, adaptation, distribution and reproduction in any medium or format, for any purpose, even commercially, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

    INTRODUCTION

    SARS-CoV-2 (COVID-19) entry into host cells is facilitated by the transmembrane protease TMPRSS2[1], which is expressed in both the lungs and prostate tissue[2]. Pre-clinical data suggest that TMPRSS2 expression can be modulated by the androgen receptor (AR)[3] and that androgen deprivation therapy (ADT) might protect patients from SARS-CoV-2 infection and reduces disease severity[4]. In a longitudinal study, Montopoli et al.[5], demonstrated that prostate cancer patients receiving ADT were likely to have four times less SARS-CoV-2 infection rates and disease severity compared with non-ADT patients. This study was supported by Patel et al.[4], where 58 prostate cancer patients infected with SARS-CoV-2 exhibited low disease severity and concluded that ADT might limit the severity of COVID-19 infection. However a study from Kwon et al.[6], was in disagreement with the above findings and revealed no association between ADT treatment and its protection against COVID-19 infection. Subsequently, Klein et al.[7] studying a cohort of prostate cancer patients who received ADT, the percentage rates of positive and negative COVID-19 cases were almost the same, 5.6% and 5.8% (OR = 0.93; P = 0.8), highlighting that ADT treatment does not appear to be protective against COVID-19 infection.

    MOLECULAR INSIGHT

    Studies referenced above are solely based on clinical observations on prostate cancer patients with or without COVID-19 infection and their association with ADT, however, the molecular insight(s) are unknown. To address the above, we performed a meta-analysis utilizing a database comprising of human prostate cancer patients who received ADT (GSE150368)[8] and compared with patients who did not receive ADT (GSE69223)[9]. Our rationale was based on AR sensitivity and the non-genomic function of AR. It is known that AR regulates the transcription of the transmembrane protease, serine 2 (TMPRSS2) required for SARS‐CoV‐2 infectivity[10]. Overlaying of the prostate cancer ADT database with COVID-19 disease showed significant interaction (P = 1.29E-26), while patients with no ADT did not exhibit any interaction. Interestingly, the analysis identified genes associated with COVID-19 viz. Serpin Peptidase Inhibitor, Clade B (Ovalbumin), and Member 3 (SERPINB3) showing increase expression (5.8-fold; P = 7.50E-11) after ADT treatment and a high degree of interaction with COVID-19 [Figure 1].

    Figure 1. Differentially expressed genes of RNA-Seq. data of prostate cancer patients who received ADT was overlaid with COVID19, demonstrating significant interaction (P = 1.29E-26) between them with 98 molecules overlapped. Among them the expression of SERPINB3, IL6, FOS, FCGR3A/B, CXCR1 were significantly upregulated and highlighted in red color.

    In humans, SERPINB3 is expressed in a high level in the nasopharynx, bronchus membrane along with other cellular subsets and across tissues[11]. Functionally, SERPINB3 activates NF-κB and the expression of other pro-inflammatory cytokines[12], predominantly IL-6[13], which leads to an epithelial-mesenchymal transition (EMT)-like phenotypic changes that might respond as the first line of defense against COVID-19 infection. The SERPIN gene encodes plasminogen activator inhibitor (PAI). Reports suggest that PAI-2 expression markedly reduces the surface expression of the virus receptor molecules viz. CD55 (DAF), constitutive androstane receptor, and intercellular adhesion molecule 1 and thus inhibits the binding of the virus to the cellular membrane. Lastly, we predict that SERPINB3 has the ability to bind with TMPRSS2 at serine and threonine sites that may intervene or block the COVID-19 entry into the cell and inhibits its infectivity.

    CONCLUSION

    Elevated expression of SERPINB3 favors a role for initiation of the acute inflammatory response. SERPINB3 might serve as promising prophylactic to inhibit the progression and severity of COVID-19, by hindering the entry of SARS-CoV-2, in part, via TMPRSS2 and inhibiting consequent inflammation, coagulopathies, and multiple organ failure.

    STATISTICAL ANALYSIS

    The GSE database was analyzed using GEO2R and IPA, and the absolute value of log2 fold change greater than one was used, and an adjusted P-value less than 0.05 was considered as differentially expressed. Differentially expressed genes (DEGs) were overlaid with the global molecular network in the Ingenuity Pathway Knowledge Base (IPKB). IPA was performed to identify diseases and functions, and gene networks that are significant to RNA-Sequencing outcomes and to categorize DEGs in specific diseases and functions such as COVID-19.

    DECLARATIONS

    Authors’ contributions

    Conceptualization, methodology, validation, visualization: Verma S, Gupta S

    Writing original draft, review, and editing: Verma S, Gupta S

    Software, formal analysis, investigation, data curation: Verma S

    Resources, supervision, project administration, funding acquisition: Gupta S

    Both authors have read and agreed to the published version of the manuscript.

    Availability of data and materials

    GSE150368 and GSE69223 and open data sources used to build the hypothesis. These data sources are available on the website at https://www.ncbi.nlm.nih.gov/gds/.

    Financial support and sponsorship

    None.

    Conflicts of interest

    Both authors declare that there are no conflicts of interest.

    Ethical approval and consent to participate

    Not applicable.

    Consent for publication

    Not applicable.

    Copyright

    © The Author(s) 2021.

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    Cite This Article

    Verma S, Gupta S. Molecular insight: SERPINB3 and AR sensitivity might reduce the risk of COVID-19 infection and complications in prostate cancer patients receiving androgen-deprivation therapy. J Transl Genet Genom 2021;5:288-291. http://dx.doi.org/10.20517/jtgg.2021.30

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