Tag: "sarcoma" at biology news
Scientists Determine 3-D Crystal Structure Of Cancer-Causing Protein
...ickens. This virus, which became known as the Rous sarcoma
virus,was later found to contain a gene with the capacity to transform healthy cellsinto cancer cells. The gene, called src , was identified as a mutatedversion of a gene that is normally present in cells. Rockefeller's HidesaburoHanafusa, Ph.D., Le...
New Vaccine Blocks Viral Entry In Cattle, May Have Implications For Human Vaccines
...en pox, shingles, roseola, mononucleosis, Kaposi's sarcoma
and cytomegalovirus (CMV) infections. Although there is encouraging new evidence that drugs might eliminate the Human Immunodeficiency Virus from individuals with AIDS, animals and humans do not eliminate herpes viruses once they have become infecte...
ACS Aids Cornell Vet School Cancer Research
...xamines a complex retrovirus called walleye dermal sarcoma
virus (WDSV) and the tumors it causes on the skin of fish. Because certain fish tumors grow and regress on a seasonal basis, the Cornell researchers are interested in WDSV in walleyes and in explaining how other cancer-related retroviruses interact ...
Study Links Viruses And Vascular Diseases
...atedto those that cause mononucleosis and Kaposi's sarcoma
can injure arteries inmice, the first time such an effect had been seen in mammals. The study wassupported by Monsanto-Searle, the National Institutes of Health and the NationalCancer Institute. "We're still a long way from showing that viruses can t...
Kaposi's Sarcoma Caused By Virus Usually Transmitted Through Homosexual Sex, According To UCSF Study
...mately, a 50 percent chance of developing Kaposi's sarcoma
within10 years. The investigators found th... the markedly increased risk ofdeveloping Kaposi's sarcoma
in the HIV-positive men studied was dependent oninfection with HHV-8 alone, rather than on some othe...
Atlantic Salmon Cancer Virus Identified
...mon are neardeath. An earlier sign of swimbladder sarcoma
might be blood hemorrhaging fromthe fins. The salmon tumors are similar to viral tumors seen on the skin of a freshwaterfish, the walleye, Casey says. His laboratory has identified five differentretroviruses that are associated with tumors in walley...
Use Of Protease Inhibitors For HIV Associated With Dramatic Rise In Oral Warts
...koplakia usually respond to treatment, andKaposi's sarcoma
is now much rarer, Greenspan explains. Incidence of all three oral conditions declined significantly year by yearduring the study period, the researchers found. In contrast, the incidence oforal warts increased dramatically from 1996-98, the period...
Scientists Study Protein's Role In Tumor Development In Fish
... analysis of the viruses that cause walleye dermal sarcoma
andanother skin disease, walleye dermal hyperplasia, researchers have discoveredthe culprits for these infections are three retroviruses that are unlike anyever studied. A retrovirus is a virus that has RNA as its nucleic acid and uses theen...
Powerful Anti-AIDS Agent Found In Tears And In Urine Of Pregnant Women
...atory and in smallclinical studies shrank Kaposi's sarcoma
tumors in AIDS patients. Moreover, AIDStransmissio...eparations of hCG inhibited the growth of Kaposi's sarcoma
cells andHIV-infected cells in the laboratory, Dr. Lee-Huang and many other scientistsshowed that hi...
U-M scientist discover how viruses hide inside human cells
... the U-M study, adds Robertson. However, Kaposi's sarcoma
is a common cancer in people whose immune system has been suppressed by the AIDS virus. In future research, U-M scientists will try to find LANA's exact binding site on Kaposi's viral DNA and on histone proteins. "Once we understand the biochemistry...
Virus linked to Kaposi's sarcoma sabotages immune system with a new and unusual strategy
...covered. When the virus associated with Kaposi's sarcoma
(KS) invades a cell, two of the KS virus genes dir...modern antiretroviral therapies for AIDS, Kaposi's sarcoma
was the most common cancer of AIDS patients. Therapies that now control the AIDS virus have also con...
Penn State researchers unravel key facts about how a virus exits a host cell
...earch published 10 years ago that showed that Rous sarcoma
virus (RSV), a retrovirus common to chickens, contained unusually large amounts of ubiquitin. In the intervening decade, other scientists have identified ubiquitin in other retroviruses including HIV. Wills believes that RSV, HIV and other enveloped ...
Kaposis sarcoma-associated herpesvirus causes no negative health effects in hiv-negative individuals, find University of Pittsburgh researchers
...scovered herpesvirus, which often leads to Kaposis sarcoma
in HIV-positive individuals, has no negative effec...ten a precursor to the blood vessel cancer Kaposis sarcoma
(KS) in HIV-positive adults, causes no symptoms or only a mild flu-like illness in healthy adults wi...
Gene chips accurately diagnose four complex childhood cancers
... lymphoma recover; about half will survive Ewing's sarcoma
and rhabdomyosarcoma, and up to 40 percent will recover from neuroblastoma. Without accurate diagnosis and proper treatment, few children survive. "Defining the features of individual cancer cells - their signatures - is an area rich in scientific ...
Immune co-stimulation and the Kaposis virus
...hich the human herpesvirus associated with Kaposis sarcoma
(KSHV) acts on the B cells that it infects to block the protective response of cytotoxic T lymphocytes (CTLs). B cells are a major target of KSHV and are key to host defenses against the virus, because they act as antigen presenting cells (APCs) to a...
Highly specific biological agents attack mechanisms of treatment resistance
...a number of human glioblastoma, neuroblastoma, and sarcoma
cell lines, thus having a broader range of activity than STI571. Now that we know the three-dimensional structure of the Abl kinase domain and exactly how the specific inhibitors differ in their binding properties at a molecular level, it should be...
Human genome sequence yields new tool for microbe-hunting
...s, human papillomavirus, cytomegalovirus, Kaposi's sarcoma
herpesvirus, and Epstein-Barr virus. To test whether the subtraction method worked on a sample in which the infecting agent was known, the investigators tried it in a human tissue sample known to contain a specific type of human papillomavirus (which...
UNC scientist finds chief AIDS cancer needs trauma and virus to get started
...e. What apparently happened to kick-start Kaposis sarcoma
in one of her patients was that the natural healin...luding transplant patients -- they develop Kaposis sarcoma
at their suture sites, Webster-Cyriaque said. It also suggests that anti-viral agents targeted speci...
Genetic fingerprinting improves diagnosis and treatment of sarcoma
...ciety, approximately 8,700 new casesof soft-tissue sarcoma
are diagnosed each year in adults andchildren in t...atments, only about 50percent of patients with MFH sarcoma
survive the diseaselong-term. Now, researchers have been able to prove that MFHis in fact a separate...
Other highlights in the August 21 issue of JNCI
...Cancers The incidence of AIDS-associated Kaposi's sarcoma
(KS) and non-Hodgkin's lymphoma (NHL) is going dow...searchers say the decline in incidence of Kaposi's sarcoma
and non-Hodgkin's lymphoma since the mid-1990s may reflect a drop in the number of individuals with ...