Kooperativer Bibliotheksverbund

Berlin Brandenburg

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  • 1
    Language: English
    In: Neoplasia (New York, N.Y.), January 2009, Vol.11(1), pp.1-9
    Description: Although human cytomegalovirus (HCMV) is generally not regarded to be an oncogenic virus, HCMV infection has been implicated in malignant diseases from different cancer entities. On the basis of our experimental findings, we developed the concept of "oncomodulation" to better explain the role of HCMV in cancer. Oncomodulation means that HCMV infects tumor cells and increases their malignancy. By this concept, HCMV was proposed to be a therapeutic target in a fraction of cancer patients. However, the clinical relevance of HCMV-induced oncomodulation remains to be clarified. One central question that has to be definitively answered is if HCMV establishes persistent virus replication in tumor cells or not. In our eyes, recent clinical findings from different groups in glioblastoma patients and especially the detection of a correlation between the numbers of HCMV-infected glioblastoma cells and tumor stage (malignancy) strongly increase the evidence that HCMV may exert oncomodulatory effects. Here, we summarize the currently available knowledge about the molecular mechanisms that may contribute to oncomodulation by HCMV as well as the clinical findings that suggest that a fraction of tumors from different entities is indeed infected with HCMV.
    Keywords: Cytomegalovirus -- Physiology ; Neoplasms -- Etiology
    E-ISSN: 1476-5586
    Source: MEDLINE/PubMed (U.S. National Library of Medicine)
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  • 2
    Language: English
    In: Medicinal Research Reviews, March 2005, Vol.25(2), pp.167-185
    Description: It has been known for a long time that cytomegalovirus (CMV) has evolved mechanisms that allow the escape from the host immune surveillance. In the past, many efforts have been done to elucidate the molecular mechanisms underlying this virus‐mediated immune escape and thus virus persistence. However, it is unknown, whether CMV may also impair immune responses directed against tumor cells. This might have severe consequences on tumor progression and may explain the growing evidence for CMV‐mediated oncomodulation. This review summarizes recent work on CMV‐mediated immune escape mechanisms of tumor cells and oncomodulation and proposes novel aspects that may be important for understanding the CMV‐associated tumor progression. © 2004 Wiley Periodicals, Inc.
    Keywords: Human Cytomegalovirus Hcmv ; Oncomodulation ; Tumor ; Dna‐Virus ; Apoptosis ; Angiogenesis
    ISSN: 0198-6325
    E-ISSN: 1098-1128
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