Tag: "two" at biology news
Advances in tumor angiogenesis Dendritic cells co-opted to the dark side
...ponse. Researchers have always considered these as two
separate systems. "The breakthrough that this work provides is that there is indeed a tremendous interaction between these processes," says Coukos. VEGF-A is the key for the transformation of dendritic cells, according to this study. VEGF proteins a...
Scientists fear new Ebola outbreak may explain sudden gorilla disappearance
...already occurred in this general area. In the past two
reported cases were confirmed in Lossi Forest, approximately 50 kilometers south of Odzala. In both ...
The future of HIV therapeutics is brightening, according to Gladstone Institutes Director
...terfere with HIV's ability to bind to CCR5, one of two
key surface receptors needed for the virus to pene... for successful entry of the HIV virus. The other two
steps involve the attachment of HIV virions to surface CD4 receptors and the final fusion of virions...
Highlights of American Chemical Society national meeting in Philadelphia, Aug. 22-26
...active contraceptive, ethinylestradiol, along with two
natural estrogenic compounds (estrone and 17-beta-estradiol), in the seawater that the researchers say could ultimately explain the fish decline. ( ENVR 286 , Thursday, Aug. 26, 9:15 a.m., Loews, Commonwealth B, during the symposium "Environmental As...
Study of flu patients reveals virus outsmarting key drug
...viruses," Kawaoka says. At present, there are only two
strategies for stemming the spread of influenza: vaccines and antiviral drugs. Vaccines use inactivated forms of a virus to ramp up the immune system and thwart infection. Antiviral drugs such as oseltamivir work by inhibiting key proteins on the sur...
New HIV findings
...he first time we have seen a patient infected with two
different forms of drug-resistant HIV," says MUHC clinician Dr. Jean-Pierre Routy, an associate professor of Medicine at McGill University and co-author of the study. "These emerging drug resistant viruses present a treatment challenge and the existi...
Study in Science reveals recreational fishing takes big bite of ocean catch
...fish sticks and fishmeal (pollock and menhaden) two
strictly commercially caught species that account for over half of all U.S. landings - the recreational take rises to 10% nationally. And if you focus in on the populations identified by the Federal government as species of concern, it rises to 23%....
Washington University in St. Louis plays key role in sequencing moss genome
...go, predating the flowering or seed plants by some two
hundred million years. Although this non-vascular plant lacks structures such as flowers, seeds, true roots, stems and leaves, some of its traits, for instance, surviving extremes of dehydration, may be adapted for use in contemporary crops. Uniqu...
Columbia, Stony Brook, Guidant to develop biological pacemaker based on gene & cell therapies
...nity to convert research done by scientists at our two
universities into modalities whose ultimate goal i...human application." Collaborative research at the two
universities has demonstrated that adult human mesenchymal stem cells can be genetically engineered ...
Protein fishing in America: The movie
... proteins at a time, and you get information about two
states and two
states only: binding or not binding. How the binding and not binding are linked is hidden informatio...
Review article makes case for a new source of cells in the body
...isms and points to potential technical problems in two
reports where scientists looked in vain for VENT cells. "This tells us that VENT cells are remarkable cells. They are important. If you take them away you have heart defects, craniofacial defects, gut defects and so on," Dr. Dickinson says. "So you ...
University of Pittsburgh receives $10 million grant for head and neck cancer
... to Dr. Grandis, each project within the grant has two
co-leaders, one with expertise in basic or laborat...fried and Grandis are examining the interaction of two
types of protein receptors implicated in the proliferation of head and neck cancer, epidermal growth...
Researchers uncover secrets of immune system's munitions factory
... to figure out how those downstream steps in these two
different situations lead in one case to mutation and in the other case to recombination," he said. "Now that we know more about how AID links to the next steps through RPA, we can begin to address this problem, which is a major question in the field...
Critically endangered monkey species plummets more than 50 percent since 1994
...forts to protect Delacour's langur are centered in two
national reserves in northern Vietnam. In Van Long...s and excellent management are helping to save the two
small remaining populations, containing a total of about 50 individuals. Joining the two
What actually influences air pollution over the Indian Ocean?
...arch group now report new results on this topic in two
current papers in the journal Geophysical Research Letters. Using a combination of satellite data from 1996-2000 and global model simulations, they focused on nitrogen oxide pollution during the periods between the summer and winter monsoons - the mo...
Unicellular organisms contribute more nitrogen to ocean that reported earlier
...the North Atlantic and the South Pacific oceans in two
more research cruises in 2006 and 2007. In addition to collecting more detailed nitrogen-fixation rate measurements, the researchers will conduct manipulation experiments to determine if phosphorus, iron or some other environmental factor is playing ...
Discovery of new shrimp species adds to unique family
A University of Alberta researcher has discovered two
new species of shrimp--adding to an unusual family...ly known as alpheidae--and has recently discovered two
new species. Shrimp from this family are diverse, ranging from one to nine centimetres in length, a...
Images reveal how rotavirus - leading cause of diarrhea - enters cells
...zer and colleagues trimmed the VP4 protein down to two
rocklike sub-components that make up the spike's "...r College of Medicine, suggests that VP4 undergoes two
consecutive shape changes that allow it to breach the membrane of the cell it's trying to infect. ...
Listen up! Mice may hold key to restoring human hearing loss
...omes so-called irreversible hearing loss. The two
scientists are collaborating to develop new methods to expand and maintain adult stem cells isolated from the mouse inner ear to establish long-term stable cell lines. This is the first step toward the ultimate goal of creating implantable human hair...
Visiting African scientists collaborate with MBL scientists on infectious diseases
Over the next few months, two
African scientists will be collaborating with researchers in the MBL's Josephine Bay Paul Center for Comparative Molecular Biology and Evolution to help further the world's understanding of infectious diseases, which are responsible for one third of ...
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