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Tag: "their" at biology news

Researchers discover molecule that causes secondary stroke

...triking." The researchers point out that although their findings are encouraging in terms of developing a ...stic test and treatment, the number of patients in their study was small and more work is needed to confirm that vasospasm is more likely to occur in bleedin...

Gene Vaccine Protects Mice Against Development Of Her2/neu Breast Cancer

... thedendritic cells then display on the outside of their cell surface. Thisis, in fact, a neat trick, says ...e mice normally develop breast cancer in allten of their mammary glands by the time there are 120 days old. In thisexperiment, they vaccinated the mice three...

Elephants imitate sounds as a form of social communication

...ts learn to imitate sounds that are not typical of their species, the first known example after humans of v...d. "Our study suggests that elephants may be using their vocal learning abilities in a similar manner, and opens a fascinating new area for research on how e...

Amino acids in nectar enhance butterfly fecundity: A long awaited link

The fascinating interactions between flowers and their pollinators have resulted in a spectacular diversi...or butterflies to visit and successfully pollinate their flowers, plants have evolved intriguing mechanisms and attractants, of which nectar is best known. ...

A comprehensive response to HIV could prevent 10 million AIDS deaths in Africa by 2020

... thedendritic cells then display on the outside of their cell surface. Thisis, in fact, a neat trick, says ...e mice normally develop breast cancer in allten of their mammary glands by the time there are 120 days old. In thisexperiment, they vaccinated the mice three...

Ants Genetic Engineering Leads To Species Interdependency

...en slavery.Indeed, these traits have been taken to their extreme in many antspecies, such as the case of sl...ts that theycan no longer feed themselves or raise their younger siblings.Recent work on ants suggests that we may need to add geneticengineering to the list...

Same mutation aided evolution in many fish species, Stanford study finds

... waders, pull out the fishing net and go learn how their theory compares to the real world. According to a ...time and again to allow freshwater species to shed their burdensome body armor and transform into a lighter, spryer fish. This is among the first times scien...

Papers of DNA Pioneer and Nobel Laureate Francis Crick Added to National Library of Medicine’s Profiles in Science Web Site

...human genome, and genetic fingerprinting, all have their origins in Crick’s inspired work,?said Donald A.B....f DNA in the journal Nature on April 25, 1953. For their discovery Watson and Crick received the Nobel Prize in Physiology or Medicine in 1962, together with...

Introduced foxes transformed vegetation on Aleutian Islands from lush grasslands to tundra

...eabirds only have a single offspring each year, so their capacity for population increase is quite low. The...surface nesters, such as gulls and terns, that lay their eggs on the ground; burrow nesters, such as puffins, that dig burrows in the soil for their nests; a...

Gene Therapy For Parkinson's Disease Moves Forward In Animals

...ving the treatment, all animals had limited use in their left paws. After treatment, the animals receiving ...erapeutic enzyme mixture show complete recovery in their paws. Researchers say not only did the rats recover substantial degrees of function in their impaire...

Researchers trace evolution to relatively simple genetic changes

... The fish -- with three bony spines poking up from their backs -- live both in the seas and in coastal fres...erent latitudes," he said. Kingsley, Schluter and their co-workers picked one trait -- the fish's armor plating -- on which to focus intense research, using...

Scientists reveal molecular secrets of the malaria parasite

...esevolve on a molecular level as they move between their hosts and insectvectors.That focus on the parasite... because of "selective pressures" in the stages of their lifecycles in their mosquito vectors and in their mammalian hosts. Malariaparasites undergo three st...

Octopuses occasionally stroll around on two arms, UC Berkeley biologists report

... The fish -- with three bony spines poking up from their backs -- live both in the seas and in coastal fres...erent latitudes," he said. Kingsley, Schluter and their co-workers picked one trait -- the fish's armor plating -- on which to focus intense research, using...

Studies reveal methods viruses use to sidestep immune system

...n viruses and humans. Viruses have co-evolved with their hosts, so every time we have evolved a gene with a...terferon, which neutralizes viruses by suppressing their replication. The researchers also investigated why cells with functioning RIG-I protein still had p...

Development of portable infectious disease detector

...ow medical professionals and HIV patients tomanage their disease in a way that is similar to how diabetes patientscan monitor their condition since the introduction of home bloodglucose detectors." The collaboration's goal is to pro...

Researchers add new tool to tumor-treatment arsenal

... possible severe side effects, has greatly limited their broader use." These factors, says Dr. Thomas, have probably contributed to recent reports of the under-dosing of patients and the failure to blunt the disease. When cancer cells are treated with a DNA-damaging agent, a cancer-suppressing gene known...

Why do insects stop 'breathing'? To avoid damage from too much oxygen, say researchers

...e types of fruit flies, beetles and bugs close off their respiratory systems periodically to keep out excess oxygen, thus preventing damage to their tissues. Timothy Bradley, professor of ecology and evolutionary biology at UCI, and Stefan Hetz, as...

Potential Cure for Lymphoma in HIV patients

...han HIV-negativeindividuals, and the treatment for their cancer is far less likely tobe successful. Sonali...e previousstandard-dose frontline chemotherapy for their lymphoma, but themajority either failed to achieve a complete remission or had relapsedafter an init...

Deficiency of growth hormone and IGF-1 reduces cancer and kidney disease, but creates other problems

... lower growth hormone and IGF-1 levels the rest of their lives. That had an effect on cancer: 88 percent o... percent of the normal male animals at the time of their deaths. None of the growth-hormone deficient animals developed kidney disease. They found that anim...

New SARS Protein Linked To Important Cell Doorway

...s. As reported recently in the journal Structure, their efforts revealed orf7a, a SARS protein that makes ...r to assist reproduced viral proteins as they make their way out of the cell. The finding exemplifies a primary directive of the University's BioMed 21 Init...

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