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Tag: "recovery" at biology news

Cord blood cells may widen treatment window for stroke

...o investigate the ways cord blood cells aid stroke recovery in animals, and will begin a study to determine the timing of brain inflammatory responses in acute stroke patients. Researchers working with Dr. Willing were Jennifer Newcomb, Ted Ajmo, Lisa Collier, Cyndy Davis Sanberg, PhD; Keith Pennypacker, PhD...

One small step means giant leap for spinal cord research

...king speed. "This is a group of patients in which recovery is not expected," says Professor Milos Popovic of the Institute of Biomaterials and Biomedical Engineering and the study's senior researcher. "We got them on a treadmill and worked with them and 18 weeks later we saw quite a considerable improvement....

Scientists crack code for motor neuron wiring

...se alterations may constrain the capacity for full recovery of motor function. So, the more that is understood about the basic workings of this locomotor circuit, the better chance there is of developing regenerative strategies to restore motor function in a precise way," Jessell continued. "And in motor neur...

Stem cell mobilization therapy appears to be ineffective in repairing damage caused by heart attack

...erived stem cell does not improve left ventricular recovery in patients with acute myocardial infarction after successful mechanical reperfusion," they write. ...

Animal models show that anabolic steroids flip the adolescent brain's switch for aggression

... He hopes that adolescents don't take the ultimate recovery of the vasopressin system to mean it's OK to use the drugs. "It's our hope that people considering the use of these drugs weigh the long-term health risks and the serious potential for aggression and violence. Muscle mass and medals aren't worth th...

Hormonal male contraception reversible after few months for all men

...le for around 1500 men. The average time for sperm recovery to 20 million/mL was 3? months. Various factors were associated with higher rates of recovery including older age, Asian origin, shorter treatment duration, and higher sperm concentrations at ba...

Tiny polyps gorge themselves to survive coral bleaching

...nternal energy reserves. However, after a month of recovery on the reef (where plankton is naturally available) Porites continued to use up its reserves while Montipora had somehow managed to completely replenish them. To explain that, Grottoli and colleagues closely examined the bleached and healthy corals...

'Bad' enzymes may wear white hats after stroke

... hours, and find ways of manipulating peri-infarct recovery over several weeks." Currently, the only FDA-approved drug for treating stroke--tissue plasminogen activator, or tPA--must be given within three hours after a stroke occurs. Otherwise, said Lo, the drug can amplify the "bad" effects of MMPs, increas...

BiovaxID?yields 89 percent survival in patients with aggressive non-Hodgkins

... B-cell depletion, but vaccine boosts after B-cell recovery may be necessary for optimal humoral responses," concluded the investigators. Lymphocytes are a type of white blood cell. There are two types of lymphocytes: B-cell lymphocytes, which produce antibodies ("humoral" immunity) in response to immune sti...

Genetic study shows humans have pushed orangutans to the brink of extinction

...etic study. "Developing effective conservation and recovery programs depends on determining when the decline of a population began, its trajectory, and the original population size." For their study, the researchers collected hair from tree nests and feces found under nests or near orangutans encountered a...

Typhoid fever led to the fall of Athens

...ion of ancient microbial DNA. Aided by modern DNA recovery and amplification techniques, Papagigorakis et al used dental pulp to identify DNA sequences similar to those of the modern day Salmonella enterica serovar Typhi, the organism that causes typhoid fever. The results of this study point to typhoid fev...

Georgia Tech accelerates drug discovery with new IBM supercomputing cluster

...ge volumes of research data and provide a disaster recovery backup. Force10 TeraScale E-Series family of switch/routers are also integrated into the IBM BladeCenter cluster to provide resilient interconnectivity enabling predictable cluster performance and scalability that will allow Georgia Tech to seamlessl...

Robot assisted surgery more accurate than conventional surgery

...ide effects from using robot assisted surgery, and recovery from surgery was quicker in most cases. Profess...dures without the risks of error, providing faster recovery and better functional outcomes for patients." The study involved both surgeons and engineers from I...

UMaine teams with fishermen to study affects of trawling on seafloor ecology

... reestablish themselves, but cautioned that a full recovery of the habitat would take much longer. "I am pre...losed for six years. We're already seeing signs of recovery after a significant amount of time. We're not seeing a huge trajectory change, but we can say it is ...

Gene variation increases SIDS risk in African Americans

...nnels tended to pop back open, delaying the cells' recovery after a burst of activity. In the heart, changes like this are known to increase the risk for abnormal rhythms and sudden death. Fortunately, a drug called mexiletine, used to treat patients with arrhythmias, blocks late re-openings of sodium chann...

Brittlestar provides new model for stem cell research

...rchers are particularly interested in studying the recovery of the nervous system which could have possible applications in the future for understanding and treating neurodegenerative diseases. Using the brittlestar as a model is particularly useful as it is more closely related to vertebrates than previous m...

Stem cell transplants improve recovery in animal models for stroke, cerebral palsy

...orns with cerebral palsy can significantly enhance recovery from these types of injuries, researchers say. Us...efully will translate to incremental but important recovery advances, said Dr. David Hess, adult stroke specialist, chair of the MCG Department of Neurology and...

Biodiversity key to sustainable biofuel according to University of Minn. researcher's findings

...rage net effects of diversity on resistance to and recovery from drought, pests, disease and other disturbances. Tilman and his collaborators began the work in the early 1990s and began publishing a series of landmark papers in 1994. Biodiversity of global ecosystems has decreased as global population has i...

Scientists find Antarctic ozone hole to recover later than expected

...y a small impact on the Antarctic stratosphere and recovery of the ozone hole. The upper ozone layer is impor...orward to refining our understanding of ozone hole recovery time scales." The researchers included ozone data from the Total Ozone Mapping Spectrometer (TOMS) ...

Iraq's marshes show progress toward recovery

...ose in one marsh that remained undrained. The fast recovery of plant production, overall good water quality, a...f most wetland functions seem to indicate that the recovery of ecosystem function is well under way. Richardson and Hussain are not complacent about the marshe...

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