Tag: "invasive" at biology news
Candidate genes found which may play a role in cancer progressing from non-invasive to invasive
...ing ductal carcinoma in situ (DCIS) to progress to invasive
breast cancer (IBC). Microarray studies involve u...cells stick together, appear to be switched off in invasive
tumours compared to non-invasive tumours. It is reasonable to assume from this that defects in thes...
Scientists develop markers capable of detecting minute numbers of cancer cells in blood
... shown in previous studies to be over-expressed in invasive
breast cancer. These genes are called UROC28, CLSP (Calmodulin-like skin protein) and BCSG1 (Breast cancer specific gene). They tested the markers in 5mls samples of blood which had been spiked with varying amounts of breast cancer cells and found ...
Gene alteration spurs growth of colon cancer
...colon cancer and perhaps differentiate aggressive, invasive
tumors from less aggressive forms of colon cancer. When Markowitz and his colleagues looked in lung and breast cancer cells, they found the HLTF gene was normal. Based on this result, they concluded that the HLTF gene may be involved specific...
PET scans reduce unnecessary colorectal surgeries
...t of the disease as revealed by later treatment or invasive
surgery. There were also 4 false-negative findings, which the authors attribute primarily to the small size, The study examined the PET scans and treatment progress of 96 patients who were referred for PET, and for whom their physicians had indicate...
An early warning system for dangerous breast cancer?
...Association for Cancer Research. The test detected invasive
cancer that had the potential to metastasize with ...oC. This is a very promising marker for small but invasive
breast cancers that may metastasize, which right now are hard to identify, says lead author Celina K...
...maps of emerging diseases, agricultural pests, and invasive
species. Fundamental to this research are the ext...ects of climate change and other scenarios such as invasive
species. Explains Snchez-Cordero, "We're excited about the power of this new modeling tool, as well ...
Extensive research survey confirms life on Earth now being affected by global warming
... study suggests that some species now could become invasive
pests when introduced to new locations--inadvertently or intentionally--by humans. Whereas a century ago a species might not have been able to survive in a given location, that same species might thrive there today if climate changes have made the l...
Angioplasty beats clot-busting drugs for most heart attack patients
...ms in the event of complications that require more invasive
treatment. Patients were assigned randomly to get an angioplasty or to be treated with clot-busting drugs. Results, reported in the April 17 issue of the Journal of the American Medical Association, showed that the combined incidence of death, repe...
Terminator tussle: Controversial technology needed, experts say
...dvantage, such as being larger, it could become an invasive
species or even drive the native population to extinction. "Any ecosystem took billions of years to co-adapt to other species and become established," Muir says. "A major problem with maintaining such an ecosystem is the introduction of exotic plants...
Biodiversity crucial to Earth's ecosystems
... destruction, pollution and the introduction of an invasive
species - all of which contributes to overall species loss. "All of this has an affect on ecosystem-level properties," Downing said. "It alters things like how much CO2 plants can absorb, how much biomass - the volume of living organisms in a particu...
Smart suture is first application of novel MIT polymer
...gh the tiny hollow tubes associated with minimally invasive
surgery. "Such advances create new opportunities but also new challenges," write Lendlein and Langer. For example, "how does one implant a bulky device or knot a suture in a confined space?" Some materials can be "taught" to have one shape at one tem...
MelTec GmbH characterizes protein networks involved in T-cell invasion
...muscle biopsies the number of fluorescently marked invasive
T-lymphocytes, their position and phenotype. They found disease phenotypes characterized by combinations of key cell surface receptors usually not found in normal T-lymphocytes, and which therefore may be involved in T-cell adhesion and migration in ...
New methods for detecting brown recluse spider venom
...cine investigators found preliminary evidence that invasive
biopsies may not be necessary to identify suspecte...ethods) The studys authors said although the less invasive
collection of venom from a victims hair or fluid from the wound contains far less venom then the bio...
Ominous signs of cryptic marine invasions
...ons between once-isolated groups. Globalization of invasive
organisms represents a huge, uncontrolled experiment with potentially disastrous environmental and economic consequences. Lampreys and Zebra Mussels destroyed Great Lakes fisheries; the Nile Perch and Water Hyacinth took over Lake Victoria. But ano...
Metal-eating algae, spartina eradication, horseshoe crabs
...h mudflats in Puget Sound, Washington State. The invasive
plant turns mudflats into salt marshes, rendering them less able to support shellfish or seabirds. Efforts undertaken to eradicate Spartina have been difficult thus far, and a study is underway to learn why. Washington Sea Grant researcher Sally Ha...
Muscle derived cell transplants offer alternative incontinence therapy says Pitt study
...jections give good short-term results and are less invasive
than surgery, there is a possibility of the collagen being reabsorbed or causing allergic reactions, said Ryan J. Pruchnic, of the departments of urology and orthopaedic surgery, University of Pittsburgh School of Medicine and lead author of the stud...
Botanists discover new conifer species in Vietnam
...ew pesticides, and even new ways to control alien, invasive
species." Harder spent several years in Vietnam. During that time, he and his collaborators discovered more than 100 new species of plants. But the conifer now known as the golden Vietnamese cypress is by far the most remarkable of those discoveri...
Treating bacterial infections can help asthmatics
...s of chlamydia or mycoplasma infection requires an invasive
procedure. At the present time only select centers...ections. Detection of bacterial infection requires invasive
procedures, such as bronchoscopy, that are difficult to perform, unpleasant for the patient, and pos...
Mooney to receive 2002 Blue Planet Prize in recognition of pioneering ecological research
... Mooney established the first global evaluation of invasive
plant species through SCOPE - the Scientific Commi...e regarded the acceleration of problems related to invasive
species due to increased international commerce with grave concern, recognized the need for joint re...
Scientists get no-strings awards for biodiversity leadership
...nformation to decision-makers, damage inflicted by invasive
and exotic species, and the specter of human-caused species extinction. In 1996, the Foundations inaugurated the Biodiversity Leadership Awards by honoring three winners. Five awards were given in the second round in 1999. Today's announcement brings...
1 2 3 4 5 6 7 8 9 10