Search results
Results From The WOW.Com Content Network
Indirect viral oncogenicity involves chronic nonspecific inflammation occurring over decades of infection, as is the case for HCV-induced liver cancer. These two mechanisms differ in their biology and epidemiology: direct tumor viruses must have at least one virus copy in every tumor cell expressing at least one protein or RNA that is causing ...
The infection of cells with viruses containing the genes for angiostatin and endostatin synthesis inhibited tumour growth in mice. Enhanced antitumour activities have been demonstrated in a recombinant vaccinia virus encoding anti-angiogenic therapeutic antibody and with an HSV1716 variant expressing an inhibitor of angiogenesis. [94] [95]
Oncolytic virotherapy is not a new idea – as early as the mid 1950s doctors were noticing that cancer patients who suffered a non-related viral infection, or who had been vaccinated recently, showed signs of improvement; [3] this has been largely attributed to the production of interferon and tumour necrosis factors in response to viral infection, but oncolytic viruses are being designed ...
Kaposi's sarcoma-associated herpesvirus (KSHV) is the ninth known human herpesvirus.It is also called Human herpesvirus 8, or HHV-8 in short. [2] This virus causes Kaposi's sarcoma, a cancer commonly occurring in AIDS patients, [3] as well as primary effusion lymphoma, [4] HHV-8-associated multicentric Castleman's disease and KSHV inflammatory cytokine syndrome. [5]
Sequencing of the virus from Merkel cell cancers reveals that it generally has tumor-specific mutations that truncate the MCV T antigen. These mutations (which are not found in native virus obtained from nontumor sites) eliminate the T antigen helicase, preventing the integrated virus from replicating independently from the host cancer cell. [10]
Symptoms include overactive bladder, decreased stream of urine, hesitancy urinating, and incomplete emptying of the bladder. [19] [20] By age 40, 10% of men will have signs of BPH and by age 60, this percentage increases by 5 fold. Men over the age of 80 have over a 90% chance of developing BPH and almost 80% of men will develop BPH in their ...
The Papanicolaou smear ("Pap" smear) is a widely used cancer screening test for cervical cancer. DNA-based tests to identify the virus are also available. [12] Herpesviruses are a third group of common cancer-causing viruses. Two types of herpesviruses have been associated with cancer: the Epstein–Barr virus (EBV) and human herpesvirus 8 (HHV ...
Epstein–Barr virus (EBV) is the first identified oncogenic virus, or a virus that can cause cancer. EBV establishes permanent infection in humans. It causes infectious mononucleosis and is also tightly linked to many malignant diseases (cancers). Various vaccine formulations underwent testing in different animals or in humans. However, none ...