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Yang T, Liu D, Fang S, Ma W, Wang Y. Cytomegalovirus and Glioblastoma: A Review of the Biological Associations and Therapeutic Strategies. J Clin Med 2022; 11:jcm11175221. [PMID: 36079151 PMCID: PMC9457369 DOI: 10.3390/jcm11175221] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 08/07/2022] [Accepted: 08/11/2022] [Indexed: 11/17/2022] Open
Abstract
Glioblastoma is the most common and aggressive malignancy in the adult central nervous system. Cytomegalovirus (CMV) plays a crucial role in the pathogenesis and treatment of glioblastoma. We reviewed the epidemiology of CMV in gliomas, the mechanism of CMV-related carcinogenesis, and its therapeutic strategies, offering further clinical practice insights. To date, the CMV infection rate in glioblastoma is controversial, while mounting studies have suggested a high infection rate. The carcinogenesis mechanism of CMV has been investigated in relation to various aspects, including oncomodulation, oncogenic features, tumor microenvironment regulation, epithelial–mesenchymal transition, and overall immune system regulation. In clinical practice, the incidence of CMV-associated encephalopathy is high, and CMV-targeting treatment bears both anti-CMV and anti-tumor effects. As the major anti-CMV treatment, valganciclovir has demonstrated a promising survival benefit in both newly diagnosed and recurrent glioblastoma as an adjuvant therapy, regardless of surgery and the MGMT promoter methylation state. Immunotherapy, including DC vaccines and adoptive CMV-specific T cells, is also under investigation, and preliminary results have been promising. There are still questions regarding the significance of CMV infection and the carcinogenic mechanism of CMV. Meanwhile, studies have demonstrated the clinical benefits of anti-CMV therapy in glioblastoma. Therefore, anti-CMV therapies are worthy of further recognition and investigation.
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Affiliation(s)
- Tianrui Yang
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Delin Liu
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Shiyuan Fang
- Department of Neurology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Wenbin Ma
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
- Correspondence: (W.M.); (Y.W.); Tel.: +86-137-0136-4566 (W.M.); +86-153-1186-0318 (Y.W.)
| | - Yu Wang
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
- Correspondence: (W.M.); (Y.W.); Tel.: +86-137-0136-4566 (W.M.); +86-153-1186-0318 (Y.W.)
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Koshizuka T, Sato Y, Kobiyama S, Oshima M, Suzutani T. A two-step culture method utilizing secreted luciferase recombinant virus for detection of anti-cytomegalovirus compounds. Microbiol Immunol 2018; 62:651-658. [PMID: 30187945 DOI: 10.1111/1348-0421.12645] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Revised: 08/27/2018] [Accepted: 08/30/2018] [Indexed: 12/26/2022]
Abstract
Quantification of human cytomegalovirus (HCMV) replication by plaque assay reflects viral infectivity but has several drawbacks. Recombinant virus expressing reporter genes can facilitate quantification of HCMV replication. In this study, a recombinant virus, Towne-BAC(dTT)-MetLuc, was constructed and the secretable Metridia luciferase (MetLuc) gene inserted into it under UL146 promoter. In addition, the UL130 gene was repaired to allow growth of the recombinant virus in both fibroblasts and epithelial cells. As predicted, luciferase activity was secreted into the culture medium and correlated with virus replication in infected fibroblasts and epithelial cells. Furthermore, secreted luciferase activity was correlated with the size of the recombinant virus inoculum with a dynamic range of 3 logs. This recombinant virus was used in a two-step culture protocol for detection of the anti-HCMV activity of compounds; that is, the supernatant of a first-step culture with anti-viral compounds was collected and inoculated into uninfected cells to create a second-step culture. Although secreted luciferase activity leaked in the first-step culture supernatant in the presence of some antiviral compounds, luciferase activity in the second-step culture supernatant reflected the virus yield in the first-step culture. Therefore, comparison of luciferase activity in the first- and second-step cultures indicated the anti-viral activity of the compounds. This two-step culture protocol facilitates screening of anti-viral compounds.
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Affiliation(s)
- Tetsuo Koshizuka
- Department of Microbiology, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima 960-1295, Japan
| | - Yuko Sato
- Department of Microbiology, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima 960-1295, Japan
| | - Shoe Kobiyama
- Department of Microbiology, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima 960-1295, Japan
| | - Mami Oshima
- Department of Microbiology, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima 960-1295, Japan
| | - Tatsuo Suzutani
- Department of Microbiology, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima 960-1295, Japan
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Ramasamy BR, Charles P, Johnson D, Frauman A. Massive splenomegaly due to concurrent primary Epstein-Barr virus and cytomegalovirus infection in a patient on adalimumab. BMJ Case Rep 2017; 2017:bcr-2017-220184. [PMID: 28864556 DOI: 10.1136/bcr-2017-220184] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
A 32-year-old man who was receiving adalimumab for seronegative rheumatoid arthritis presented with a 4-week history of fever, night sweats, fatigue, myalgias and diarrhoea. On examination, he had obvious splenomegaly but no lymphadenopathy or pharyngitis. Full blood count revealed mild neutropenia and significant lymphocytosis, with a blood film showing atypical lymphocytes. Liver function tests were mildly deranged with a mixed hepatitic and obstructive pattern. Ultrasound confirmed massive splenomegaly with a span of 21 cm in the long axis. Serological tests confirmed the presence of both primary Epstein-Barr virus and cytomegalovirus infections. The patient had his adalimumab withheld, was treated with supportive measures and improved over a period of 8 weeks. He remained well 5 months after the onset of illness with complete normalisation of blood count and a resolution of the splenomegaly.
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Affiliation(s)
| | - Patrick Charles
- Department of General Medicine, Austin Health, Heidelberg, Victoria, Australia.,Infectious Diseases Department, Austin Health, Heidelberg, Victoria, Australia
| | - Douglas Johnson
- Department of General Medicine, Austin Health, Heidelberg, Victoria, Australia.,Infectious Diseases Department, Austin Health, Heidelberg, Victoria, Australia
| | - Albert Frauman
- Department of Clinical Pharmacology and Therapeutics, Austin Health, Heidelberg, Victoria, Australia.,Acute Medical Group, Cabrini Hospital, Malvern, Victoria, Australia
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Slavov SN, Otaguiri KK, de Figueiredo GG, Yamamoto AY, Mussi-Pinhata MM, Kashima S, Covas DT. Development and optimization of a sensitive TaqMan® real-time PCR with synthetic homologous extrinsic control for quantitation of Human cytomegalovirus viral load. J Med Virol 2016; 88:1604-12. [PMID: 26890091 DOI: 10.1002/jmv.24499] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/13/2016] [Indexed: 02/03/2023]
Abstract
Human cytomegalovirus (Human herpesvirus 5, HCMV) causes frequent asymptomatic infections in the general population. However, in immunosuppressed patients or congenitally infected infants, HCMV is related to high morbidity and mortality. In such cases, a rapid viral detection is crucial for monitoring the clinical outcome and the antiviral treatment. In this study, we optimized a sensitive biplex TaqMan® real-time PCR for the simultaneous detection and differentiation of a partial HCMV UL97 sequence and homologous extrinsic control (HEC) in the same tube. HEC was represented by a plasmid containing a modified HCMV sequence retaining the original primer binding sites, while the probe sequence was substituted by a phylogenetically divergent one (chloroplast CF0 subunit plant gene). It was estimated that the optimal HEC concentration, which did not influence the HCMV amplification is 1,000 copies/reaction. The optimized TaqMan® PCR demonstrated high analytical sensitivity (6.97 copies/reaction, CI = 95%) and specificity (100%). Moreover, the reaction showed adequate precision (repeatability, CV = 0.03; reproducibility, CV = 0.0027) and robustness (no carry-over or cross-contamination). The diagnostic sensitivity (100%) and specificity (97.8%) were adequate for the clinical application of the molecular platform. The optimized TaqMan® real-time PCR is suitable for HCMV detection and quantitation in predisposed patients and monitoring of the applied antiviral therapy. J. Med. Virol. 88:1604-1612, 2016. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Svetoslav Nanev Slavov
- Faculty of Medicine of Ribeirão Preto, Blood Center of Ribeirão Preto, University of São Paulo, Brazil.,Faculty of Medicine of Ribeirão Preto, Department of Clinical Medicine, University of São Paulo, Brazil
| | - Katia Kaori Otaguiri
- Faculty of Medicine of Ribeirão Preto, Blood Center of Ribeirão Preto, University of São Paulo, Brazil.,Faculty of Pharmaceutical Sciences, Department of Clinical, Toxicological and Bromatological Analyses, University of São Paulo, Brazil
| | | | - Aparecida Yulie Yamamoto
- Faculty of Medicine of Ribeirão Preto, Department of Pediatrics, University of São Paulo, Brazil
| | | | - Simone Kashima
- Faculty of Medicine of Ribeirão Preto, Blood Center of Ribeirão Preto, University of São Paulo, Brazil.,Faculty of Pharmaceutical Sciences, Department of Clinical, Toxicological and Bromatological Analyses, University of São Paulo, Brazil
| | - Dimas Tadeu Covas
- Faculty of Medicine of Ribeirão Preto, Blood Center of Ribeirão Preto, University of São Paulo, Brazil.,Faculty of Medicine of Ribeirão Preto, Department of Clinical Medicine, University of São Paulo, Brazil
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Koshizuka T, Tanaka K, Suzutani T. Degradation of host ubiquitin E3 ligase Itch by human cytomegalovirus UL42. J Gen Virol 2016; 97:196-208. [DOI: 10.1099/jgv.0.000336] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Affiliation(s)
- Tetsuo Koshizuka
- Department of Microbiology, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima 960-1295, Japan
| | - Keiichiro Tanaka
- Department of Microbiology, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima 960-1295, Japan
| | - Tatsuo Suzutani
- Department of Microbiology, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima 960-1295, Japan
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Wujcicka W, Wilczyński J, Nowakowska D. Alterations in TLRs as new molecular markers of congenital infections with Human cytomegalovirus? Pathog Dis 2013; 70:3-16. [PMID: 23929630 DOI: 10.1111/2049-632x.12083] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2013] [Revised: 07/28/2013] [Accepted: 07/31/2013] [Indexed: 12/14/2022] Open
Abstract
Toll-like receptors (TLRs) play a crucial role in non-specific immunity against various infections. The most common intrauterine infection, caused by Human cytomegalovirus (HCMV), results in perinatal morbidity and mortality of primary infected fetuses. The induction of immune response by TLRs was observed in HCMV infections in murine models and cell lines cultured in vitro. Studies reported an immunological response in pregnant women with primary HCMV infection and TLR2 activity in collecting of HCMV particles in placental syncytiotrophoblasts (STs) in vivo and cultured ST, and in stimulation of tumor necrosis factor (TNF)-α expression and damage of villous trophoblast. Expression levels of TLRs are associated with cell type, stage of pregnancy and response to microorganisms. We show the effect of HCMV infection on the development of pregnancy as well as the effect of TLR single-nucleotide polymorphisms on the occurrence and course of infectious diseases, immune response and diseases of pregnancy. We report the impact of TLRs on the function of miRNAs and the altered expression levels of these molecules, as observed in HCMV infections. We suggest that the methylation status of TLR gene promoter regions as epigenetic modifications may be significant in the immune response to HCMV infections. We conclude that it is important to study in detail the molecular mechanisms of TLR function in the immune response to HCMV infections in pregnancy.
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Affiliation(s)
- Wioletta Wujcicka
- Department of Fetal-Maternal Medicine and Gynecology, Polish Mother's Memorial Hospital Research Institute, Lodz, Poland
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Leung J, Cannon MJ, Grosse SD, Bialek SR. Laboratory testing and diagnostic coding for cytomegalovirus among privately insured infants in the United States: a retrospective study using administrative claims data. BMC Pediatr 2013; 13:90. [PMID: 23758752 PMCID: PMC3681590 DOI: 10.1186/1471-2431-13-90] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2013] [Accepted: 06/04/2013] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Rates of laboratory testing and diagnostic practices for congenital CMV in the United States are unknown. We determined rates of CMV testing and diagnostic coding for CMV among insured infants in the United States using a national healthcare claims database. METHODS We analyzed medical claims from 2011 Truven Health MarketScan® Commercial databases for infants who were ≤30 days of age. We used ICD-9-CM codes to identify infants with CMV and CMV-associated conditions. We computed frequencies of infants with CPT codes for CMV testing. RESULTS A total of 368,266 infants met the study criteria. We identified 61 (0.02%) infants with a diagnostic code for CMV. Among the 368,266 infants, 229 (0.1%) infants had a code for CMV-specific testing, of which 43% had codes for CMV polymerase chain reaction (PCR) and/or CMV direct florescent antibody (DFA) testing, 44% for CMV serologic testing alone, and 13% for CMV serology and non-specific PCR and/or culture. Over 80% (187/229) with CMV testing had a code for ≥1 CMV-associated conditions. Although infrequently coded for, CMV testing was more common among infants with a code for a condition possibly associated with CMV than infants without these conditions (0.14% (187/ 136,857) vs. 0.02% (42/231,409)). CONCLUSIONS The low rates of CMV testing among infants with symptoms suggestive of congenital CMV infection and the substantial proportion of infants tested with only serologic assays instead of PCR or viral culture suggests gaps in awareness and knowledge of congenital CMV and its diagnosis among healthcare providers. Although claims databases presumably do not capture all diagnosed CMV cases or CMV-specific testing, healthcare claims are a potential source for surveillance and monitoring practices of CMV-specific testing and diagnostic coding for CMV among infants.
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Affiliation(s)
- Jessica Leung
- National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, 1600 Atlanta, GA 30333, USA.
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Yan S, Xie Y, Zhu B, Han Y, Guo W. Effect comparison of different formulation of Dang-Gui-Bu-Xu-Tang on myelosuppression mouse. ASIAN PAC J TROP MED 2012; 4:556-9. [PMID: 21803308 DOI: 10.1016/s1995-7645(11)60145-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2011] [Revised: 04/11/2011] [Accepted: 06/15/2011] [Indexed: 11/17/2022] Open
Abstract
OBJECTIVE To compare effect of different formulation of Dang-Gui-Bu-Xu-Tang(DGBXT) on myelosuppression mouse. METHODS HPLC was used to measure active ingredients of two DGBXT formulations. Hemopoesic function of bone marrow was measured by hemopoietic progenitor cell culture and peipheral blood count. And hemopoietic factors in bone marrow were tested by ELISA. RESULTS The content level of astragaloside A in granule formulation was higher than that in decoction and the content ratio of active ingredient was close to 5 : 1. Two DGBXD formulations could significantly improve amount of peripheral blood cells, and bone marrow cells of bone marrow suppression mice (P<0.05). DGBXD granule formulation significantly increased the colony quantity of all progenitor cell lines and amount of G(2)/M and S phase cells (P<0.05). It also significantly decreased amount of G(0)/G(1) phase cells in the bone marrow and was more effective (P<0.05). CONCLUSIONS DGBXT decoction and the granule formulation all can improve the hematopoietic function of bone marrow suppression mouse. They can improve quantities of peripheral blood and nucleated bone marrow cells, and yield of the hematopoietic stem/progenitor cells in vitro colony; balance the expression of cytokine (EPO, TPO and GM-CSF) in bone marrow microenvirement. They can also facilitate hematopoietic stem/progenitor cells to enter the cell cycle. And the effect of granule formulation is more satisfactory.
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Affiliation(s)
- Suchun Yan
- General Hospital of Tianjin Medical University, Tianjin, China
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Krzyzaniak MA, Mach M, Britt WJ. HCMV-encoded glycoprotein M (UL100) interacts with Rab11 effector protein FIP4. Traffic 2010; 10:1439-57. [PMID: 19761540 DOI: 10.1111/j.1600-0854.2009.00967.x] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The envelope of human cytomegalovirus (HCMV) consists of a large number of glycoproteins. The most abundant glycoprotein in the HCMV envelope is the glycoprotein M (UL100), which together with glycoprotein N (UL73) form the gM/gN protein complex. Using yeast two-hybrid screening, we found that the gM carboxy-terminal cytoplasmic tail (gM-CT) interacts with FIP4, a Rab11-GTPase effector protein. Depletion of FIP4 expression in HCMV-infected cells resulted in a decrease in infectious virus production that was also associated with an alteration of the HCMV assembly compartment (AC) phenotype. A similar phenotype was also observed in HCMV-infected cells that expressed dominant negative Rab11(S25N). Recently, it has been shown that FIP4 interactions with Rab11 and additionally with Arf6/Arf5 are important for the vesicular transport of proteins in the endosomal recycling compartment (ERC) and during cytokinesis. Surprisingly, FIP4 interaction with gM-CT limited binding of FIP4 with Arf5/Arf6; however, FIP4 interaction with gM-CT did not prevent recruitment of Rab11 into the ternary complex. These data argued for a contribution of the ERC during cytoplasmic envelopment of HCMV and showed a novel FIP4 function independent of Arf5 or Arf6 activity.
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Affiliation(s)
- Magdalena A Krzyzaniak
- Department of Microbiology, University of Alabama at Birmingham, CHB160, Birmingham, AL 35233, USA
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Shen Z, Shang SQ, Zou CC, Zheng JY, Yu ZS. The detection and clinical features of human cytomegalovirus infection in infants. Fetal Pediatr Pathol 2010; 29:393-400. [PMID: 21043563 DOI: 10.3109/15513815.2010.494705] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The aim is to investigate the spectrum of disease in 378 infants with human cytomegalovirus infection. In these patients, 27.78% were systemic infection and 72.22% involved single organ infection. Hepatitis, thrombocytopenic purpura, pneumonia were predominant with 33.07%, 13.49%, 6.35% respectively. The rate of HCMV systemic infection in infants younger than 2 weeks was higher than in those older than 2 weeks. The gB genotype analysis in 107 cases showed 53 gBI, 20 gBII, 18 gBIII, 7 gBI+gBII, 5 gBI+gBIII and 4 gBII+gBIII. These results suggest that HCMV can infect multiorgan and has varietal clinic feature. The gBI genotype is most prevalent.
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Affiliation(s)
- Zheng Shen
- The Children's Hospital of Zhejiang University School of Medicine and Zhejiang Key Laboratory for Diagnosis and Therapy of Neonatal Diseases
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