نتایج جستجو برای: oncogenic viruse
تعداد نتایج: 21746 فیلتر نتایج به سال:
Oncogenic mutations in Ras deregulate cell death and proliferation to cause cancer in a significant number of patients. Although normal Ras signaling during development has been well elucidated in multiple organisms, it is less clear how oncogenic Ras exerts its effects. Furthermore, cancers with oncogenic Ras mutations are aggressive and generally resistant to targeted therapies or chemotherap...
OBJECTIVE To investigate the associations of TP53 R72P and MDM2 T309G SNPs with HPV infection status, HPV oncogenic risk and HIV infection status. DESIGN Cross-sectional study combining two groups (150 HIV-negative and 100 HIV-positive) of women. METHODS Data was collected using a closed questionnaire. DNA was extracted from cervical samples. HPV infection status was determined by nested-PC...
Oncogenic activation of the mitogen-activated protein (MAP) kinase cascade in murine fibroblasts initiates a senescence-like cell cycle arrest that depends on the ARF/p53 tumor suppressor pathway. To investigate whether p53 is sufficient to induce senescence, we introduced a conditional murine p53 allele (p53(val135)) into p53-null mouse embryonic fibroblasts and examined cell proliferation and...
Oncogenic Ras mutants, frequently detected in human cancers, are high-priority anticancer drug targets. However, direct inhibition of oncogenic Ras mutants with small molecules has been extremely challenging. Here we report the development of a human IgG1 format antibody, RT11, which internalizes into the cytosol of living cells and selectively binds to the activated GTP-bound form of various o...
BACKGROUND This analysis assessed the acquisition (incidence) and persistence (clearance) of human papilloma virus (HPV) infection by self-reported race among men in The HPV in Men (HIM) Study, a multinational prospective study of the natural history of genital HPV infections. METHODS Self-reported race was categorized as White, Black, Asian/Pacific Islander (PI), or multiple and mixed race. ...
Background Incidence of human papillomavirus (HPV)-related oropharyngeal cancer is increasing. There is interest in identifying healthy individuals most at risk for development of oropharyngeal cancer to inform screening strategies. Patients and methods All data are from 2009 to 2014, including 13 089 people ages 20-69 in the National Health and Nutrition Examination Survey (NHANES), orophary...
The discovery of inhibitors for oncogenic signalling pathways remains a key focus in modern oncology, based on personalized and targeted therapeutics. Computational drug repurposing via the analysis of FDA-approved drug network is becoming a very effective approach to identify therapeutic opportunities in cancer and other human diseases. Given that gene expression signatures can be associated w...
Using a genetically defined human ovarian cancer model, we have analyzed the protein expression profile of human ovarian cancer cells established by oncogenic RAS transformation. Cells were immortalized by retroviral transfection of SV40 t/T antigens and the catalytic subunit of telomerase (hTERT). Careful analyses of protein targets associated with oncogenic transformation have enabled us to i...
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