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Tag: "suggests" at biology news

Elephants imitate sounds as a form of social communication

...-author Stephanie Watwood of WHOI said. "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 elephants use vocal learning." Vocal learning is important because it enables an open communication system in which ...

Scientists identify genetic pathways essential to RNA interference

...DNA damage pathways, which was totally unexpected, suggests a potential connection between RNAi and the control of cell division in cancer." The researchers note that better understanding the mechanisms underlying RNAi could help transform what has been a research tool into a powerful therapeutic tool. Altho...

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

...ngle mouse developed a tumor,?says Lachman.Lachman suggests the vaccine might prove helpful in keeping humanHER2/neu tumors from metastasizing, or spreading, but adds that thisnotion must be tested in human clinical trials.Lachman believes that the vaccine will address two additional safetyconsiderations “bec...

Ants Genetic Engineering Leads To Species Interdependency

...r raise their younger siblings.Recent work on ants suggests that we may need to add geneticengineering to the list of innovations ants have evolved to employ. Intwo species of harvester ants, populations have been discovered inwhich queens mate with males of another species to produce geneticallynovel hybrid ...

Gene Therapy For Parkinson's Disease Moves Forward In Animals

...ch. “This is additional experimental evidence that suggests that it can be a promising approach to this disease using in vivo gene therapy, which is very applicable to humans. It even presents theoretical reasons that might solve some of the safety issues that have been raised about GDNF. But many things rema...

New studies suggest airborne SARS transmission is possible

...ction with closer proximity to the index SARS case suggests airborne transmission. Although they do not have "direct proof" of airborne transmission, according to Dr. Yu, "no other known routes of infectious diseases transmission could adequately explain the spread of the disease in the outbreak, and hence we...

Gene vaccine for Alzheimer's disease shows promising results

...ent in the early phaseof the disease - a fact that suggests a gene vaccination would be astep forward in slowing the progression of dementia.From the mouse studies and in previous clinical trials of patients withAlzheimer's disease, immunization with amyloids slowed the buildup ofplaque in the brain and appea...

Scientists identify molecular events that drive cell senescence

...ent in the early phaseof the disease - a fact that suggests a gene vaccination would be astep forward in slowing the progression of dementia.From the mouse studies and in previous clinical trials of patients withAlzheimer's disease, immunization with amyloids slowed the buildup ofplaque in the brain and appea...

Devising Nano Vision for an Optical Microscope

...ional Institute of Standards and Technology (NIST) suggests that a hybrid version of the optical microscope mi..., a newly begun, five-year research effort at NIST suggests that a novel combination of illumination, detection and computing technologies can circumvent this l...

White blood cell waste disposal system plays critical regulatory role

...esearch, published in the March issue of Immunity, suggests that the process for disposal of dying neutrophils...ils. "The discovery of neutrophil-regulating cells suggests new ways to manipulate the inflammatory system and neutrophil production with possible relevance to ...

Bird Brains Show How Trial and Error May Contribute to Learning

... its subtle variations. "In a nutshell, our paper suggests that the basal ganglia play a special role in generating motor variability," Brainard said. "It's been known for a long time that this circuit is important in learning. Our data supports the hypothesis that one of the things it could be doing is intr...

Examination of internal 'wiring' of yeast, worm, and fly reveals conserved circuits

...ation pathways conserved in all three. The finding suggests that only 0.5 percent of the protein clusters and communication pathways are conserved in the three species, but Ideker estimated that as many as 80 percent of the actual protein interactions have yet to be discovered. "We are currently limited by t...

Unexpressed But Indispensable -- The DNA Sequences That Control Development

...regulation or development. This clustering of CNEs suggests they may not only attract transcription factors, but may also influence the local topology of the DNA, thereby controlling access to their associated gene. Several clusters also appear in regions without any known genes—the identification of these cl...

UCSD team discovers specialized, rare heart stem cells in newborns

...identifies undifferentiated cardiogenic precursors suggests the feasibility of isolating isl1+ cardiac progenitors from mouse and human embryonic stem cell systems during cardiogenesis." "We think that these cells normally play an important role in the remodeling of the heart after birth, when the newborn he...

Gene therapy for Parkinson's disease moves forward in animals

...ch. "This is additional experimental evidence that suggests that it can be a promising approach to this disease using in vivo gene therapy, which is very applicable to humans. It even presents theoretical reasons that might solve some of the safety issues that have been raised about GDNF. But many things rema...

Scientists find fossil proof of Egypt's ancient climate

...coming to the lake," said Smith. "Genetic evidence suggests that 100,000 to 400,000 years ago was a critical time in the evolution and dispersal of African hominins. Our climate data from this 130,000-year-old humid event suggest that this would have been a particularly good time for a northward migration thr...

New Insights Into HIV Immunity Suggest Alternative Approach to Vaccines

...s to prevent attacks against self. The Duke study suggests HIV vaccines may have failed in part because certain proteins on HIV's protective outer coat trigger only short-lived, self-reactive antibodies instead of long-lasting, HIV-specific antibodies. The results also imply that during the initial infection...

Rats infected as newborns grew up vulnerable to memory problems during an immune challenge

...ring the value of good prenatal care, new research suggests that early infection may create a cognitive vulnerability that appears later during stress on the immune system. Researchers at the University of Colorado at Boulder have reported that rats who experienced a one-time infection as newborns didn't lear...

How the environment could be damaging men's reproductive health

...researchers from Denmark, Lithuania and Finland[2] suggests that a higher than expected prevalence of cryptorc...creased risk was not statistically significant, it suggests that environmental factors could be important," said Dr Jorgensen. [1] Exposure to persistent organ...

Surprising findings reported about iron overload

...ons in a gene, called the HFE gene, which evidence suggests regulates iron absorption. "Hemochromatosis and iron overload are easily treatable if diagnosed early, but the simple blood test that could detect these conditions is not performed as part of routine medical exams," said Acton. Delaying treatment ?t...

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