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Table of Contents
LETTER TO EDITOR
Year : 2020  |  Volume : 3  |  Issue : 2  |  Page : 366

Cytomegalovirus infection and solid tumors


Department of Community Medicine, Dr. D. Y. Patil University, Pune, Maharashtra, India; Department of Tropical Medicine, Hainan Medical University, Haikou, China; Department of Biological Science, Joseph Ayo Babalola University, Ikeji Arakeji, Nigeria

Date of Submission26-Feb-2020
Date of Decision28-Feb-2020
Date of Acceptance29-Feb-2020
Date of Web Publication19-Jun-2020

Correspondence Address:
Viroj Wiwanitkit
Department of Community Medicine, Dr. D. Y. Patil University, Pune, Maharashtra

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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/CRST.CRST_58_20

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How to cite this article:
Wiwanitkit V. Cytomegalovirus infection and solid tumors. Cancer Res Stat Treat 2020;3:366

How to cite this URL:
Wiwanitkit V. Cytomegalovirus infection and solid tumors. Cancer Res Stat Treat [serial online] 2020 [cited 2020 Sep 19];3:366. Available from: http://www.crstonline.com/text.asp?2020/3/2/366/287253



I would like to share my ideas on the article titled, “Cytomegalovirus infection in solid malignancies,” published by Agarwal et al. The authors noted that “CMV infection and its manifestation in patients with solid malignancies is probably underdiagnosed.[1]” Moreover, Bansal and Ghafur concluded that, “It is prudent not only to report the incidence of CMV infection, but also to conduct prospective research to establish the risk factors for CMV reactivation and define the magnitude of the problem.”[2] In fact, Cytomegalovirus (CMV) infection is a common viral infection, with a high seroprevalence in many developing countries. The reactivation of CMV is possible in immunocompromised hosts, including patients with cancer. As is the case with other viruses, CMV reactivation is an important clinical problem in the management of patients with malignancy.[3] Therefore, examining for possible CMV reactivation is necessary in the management of these patients.

In addition to CMV reactivation in patients with malignancy, another interesting aspect is the carcinogenic property of this virus. A possible clinical association is suggested for some specific cancer types, such as oral cancer [4] and breast cancer.[5] The interrelationship between CMV infection and carcinogenesis is an interesting topic in clinical oncology. A possible concurrent pathogenic and carcinogenic infection can easily be missed if no specific investigation is performed. For example, CMV detection is commonly reported in cancers of the fallopian tube; the same malignant tissue is also commonly found to be infected with another known oncogenic virus called the human papillomavirus.[6] Additionally, from the perspective of basic laboratory medicine, consideration should be given to recognizing diagnostic tests for CMV and also to recognizing the limitations in the diagnostic sensitivity of these tests.

Although some statistical analyses are suggestive of an association between CMV and cancer, the identification of the pathophysiological pathway of CMV-related carcinogenesis might provide conclusive evidence of such an association. CMV might induce oncomodulation which is considered an important pro-carcinogenic process.[7] Therefore, several genetic and environmental factors must be considered when analyzing the data regarding the prevalence of CMV in solid tumors.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
  References Top

1.
Agrawal AK, Rajendra A, Noronha V, Joshi A, Patil VM, Menon N, et al. Cytomegalovirus infection in solid malignancies. Cancer Res Stat Treat 2020;3:19-24.  Back to cited text no. 1
  [Full text]  
2.
Bansal N, Ghafur KA. Cytomegalovirus reactivation in solid tumors: Are we missing the bus (bug)? Cancer Res Stat Treat 2020;3:76-7.  Back to cited text no. 2
  [Full text]  
3.
Rolston KV. Infections in cancer patients with solid tumors: A review. Infect Dis Ther 2017;6:69-83.  Back to cited text no. 3
    
4.
Lucchese A. Viruses and oral cancer: Cross reactivity as a potential link. Anticancer Agents Med Chem 2015;15:1224-9.  Back to cited text no. 4
    
5.
Geisler J, Touma J, Rahbar A, Söderberg-Nauclér C, Vetvik K. A review of the potential role of human cytomegalovirus (HCMV) infections in breast cancer carcinogenesis and abnormal immunity. Cancers (Basel) 2019;11. pii: E1842.  Back to cited text no. 5
    
6.
Paradowska E, Jablonska A, Studzinska M, Wilczynski M, Wilczynski JR. Detection and genotyping of CMV and HPV in tumors and fallopian tubes from epithelial ovarian cancer patients. Sci Rep 2019;9:19935.  Back to cited text no. 6
    
7.
Herbein G. The human cytomegalovirus, from oncomodulation to oncogenesis. Viruses 2018;10. pii: E408. doi: 10.3390/v10080408.  Back to cited text no. 7
    



This article has been cited by
1 Authorsę reply to Kulkarni et al. and Wiwanitkit
AmitKumar Agrawal,Akhil Rajendra,Vanita Noronha,Amit Joshi,Vijay Patil,Nandini Menon,Vikas Talreja,Kumar Prabhash
Cancer Research, Statistics, and Treatment. 2020; 3(2): 368
[Pubmed] | [DOI]



 

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