Severity: Warning
Message: fopen(/var/lib/php/sessions/ci_session40lfrumf4l39opife9el9vml2b765hkh): Failed to open stream: No space left on device
Filename: drivers/Session_files_driver.php
Line Number: 177
Backtrace:
File: /var/www/html/index.php
Line: 316
Function: require_once
Severity: Warning
Message: session_start(): Failed to read session data: user (path: /var/lib/php/sessions)
Filename: Session/Session.php
Line Number: 137
Backtrace:
File: /var/www/html/index.php
Line: 316
Function: require_once
Severity: Warning
Message: file_get_contents(https://...@pubfacts.com&api_key=b8daa3ad693db53b1410957c26c9a51b4908&a=1): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests
Filename: helpers/my_audit_helper.php
Line Number: 197
Backtrace:
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 197
Function: file_get_contents
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 271
Function: simplexml_load_file_from_url
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 3145
Function: getPubMedXML
File: /var/www/html/application/controllers/Detail.php
Line: 575
Function: pubMedSearch_Global
File: /var/www/html/application/controllers/Detail.php
Line: 489
Function: pubMedGetRelatedKeyword
File: /var/www/html/index.php
Line: 316
Function: require_once
Epstein-Barr virus (EBV), hepatitis B virus (HBV), HTLV-I and some human papillomaviruses (HPVs) appear to contribute to the development of a large proportion of certain human cancers. Although the epidemiological evidence linking infection with these viruses to malignancies is generally convincing, only for the HPVs have experimental systems indicated a clear role for some of the HPV encoded genes in tumour cell growth. In these cases, molecular analysis is revealing the mechanisms by which the virally encoded oncogenes function to perturb the normal regulation of cell growth. For HTLV-I, EBV and HBV the mechanism by which the viruses contribute to tumour cell growth is obscure, even though much has been learned about cell transformation in culture by these viruses. A detailed understanding of the mechanism of oncogenesis will be required to design therapeutic drugs for the treatment of these cancers. Prophylactic vaccination resulting in prevention of infection may be an effective approach to reduce the incidence of some of these common cancers.
Download full-text PDF |
Source |
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http://dx.doi.org/10.1093/oxfordjournals.bmb.a072910 | DOI Listing |
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