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Tag: "own" at biology news

Prenatal Stress Keeps Infants, Toddlers up at Night, Study Says

...meantime, pregnant women concerned about how their own mood-disturbance may harm their unborn babys sleeping habits, development and emotional health may want to consider psychological treatment, OConnor said. Several evidence-based therapies exist, and unlike medication, none of them are suspect in the ...

Genomic Analysis Uncovers New Targets for HIV Vaccine

...of one or more of these genes, and help the body's own immune system overcome an infection. One of the ge...ing out is an indication of how well the patients' own immune system is battling the virus, and this is the point in the infection's natural history that t...

FDA sees nanotech challenges in every product category it regulates

...rved, there are scant funds for FDA to conduct its own regulatory-relevant risk research. It is critical that FDA—and other regulatory agencies—have the means necessary to evaluate which nanomaterials are harmful and which are not. This is an issue that Congressional leaders from both parties have called...

Art and music for the birds

...only gauge humans have on what’s good music is our own interest,” says the Rutgers-Camden artist. “Of course, we may find that birds have their own criteria for assessing our music. So, to see it they might prefer Miles Davis to the Dixie Chicks – ...

How sneaky HIV escapes cells

...etroviruses exploit other cell processes for their own ends, it now appears they rely on exosomes to get out of infected cells and infect fresh cells. As such, drugs that interfere with exosome formation might be one way to inhibit HIV infections. “Viruses like HIV use pathways we barely recognize, mu...

Crammed with charged DNA, pressure rises inside virus

...irus, before and after cramming itself full of its own DNA. The virus, phi29, has a tiny motor that pumps its DNA into the capsid—outer shell—during the assembly process. The potential energy of the tightly coiled DNA may help phi29 inject its genetic material into the bacterial cells it infects. Now ...

A new plant-bacterial symbiotic mechanism promising for crop applications

...ms. The bacteria of this original model have their own photosynthetic pathway, a unique property in the rhizobia (2). This special character confers on it the exceptional, rare ability to form nodules on the stems of its host-plant. The plant thus acquires the possibility of fixing much higher quantities...

New collaborative research reveals chimpanzees can sustain multiple-tradition cultures

...nzees observed a high-ranking female member of its own group complete an action sequence, the majority of the chimpanzees followed that sequence for the remainder of the testing period. Over time, the different methods chosen by each high-ranking female were passed among members of her group, thereby bec...

Stroke study sheds light on left-right brain divide

...hand side of the brain has in keeping track of our own actions and helping us to notice when we have made mistakes,’ Dr Hodgson added. ‘This type of “self-monitoring” function may play a crucial role in many day to day situations. For example, when preparing a meal we often have to keep track of several ...

Migration alert -- How tumor cells home in on the lymphatic system

...gnaling molecule are reinforced by the lymphatic’s own secretions, fine tuning the tumor cells’ migration and guaranteeing that they will home in on the lymphatic. To demonstrate this new concept, the researchers engineered a tissue culture model of the tumor-lymphatic microenvironment and developed...

Undergraduate research shows leaderless honeybee organizing

... picture of the queen as a passive egg layer whose own behavior is programmed, with changes dictated by signals delivered by older workers. This does not mean, however, that the colony is controlled by a key group of experienced bees either. The worker bees that deliver the critical signals have short...

Women well informed about breast cancer, yet lacking knowledge about current treatments

...ent of women would research the condition on their own in addition to discussing treatment options with their doctor. However, 86 percent were not certain they would know what questions to ask. “Communication between the patients and their physicians is so important because it empowers them to take...

Progress toward an antitumor vaccine

How can we induce the body to use its own weapon, the immune system, to battle cancer" In principle, by the same means used against infectious diseases: immunization. The production of a selective vaccine is not a trivial task, however. A team led by Horst Kunst at the University of Mainz ha...

Microbes at work cleaning up the environment

...lves from potentially toxic nanoparticles in their own environments, and clean up crews of the future could potentially do the same thing on a larger scale. A team from Lawrence Livermore National Laboratory, UC Berkeley and Lawrence Berkeley National Laboratory found that bacteria from an abandoned m...

Herpes virus hijacks DNA repair process

...ng DNA damage and use those tools to enhance their own reproduction. The DNA damage response normally fi...ellular DNA. "Viruses sometimes structure their own DNA differently than cellular DNA," Tarakanova notes. "Many of us thought that such differences migh...

University of Pittsburgh School of Medicine researchers develop 'off-the-shelf' vascular grafts

...oach is that the graft could utilize the patient’s own stem cells and be ready for implantation almost immediately or, at most, after a relatively short culture period. This suggests that we could make these available ‘off-the-shelf,’ which is an essential element for clinical translation,” he explained....

Helping chlorine-eating bacteria clean up toxic waste

...ense, which has some 6,000 toxic-dump sites of its own to clean up. Richardson explained that in the field "the bacteria sometimes start and then stop. We might improve conditions for the organisms." For example, she said, it has been found that Dehalococcoides needs vitamin B-12, so the vitamin is ad...

Study identifies 5 genetic themes key to keeping stem cells in a primitive, flexible state

...therapies to stimulate adult stem cells within our own bodies to repair damaged tissues, and may provide further areas of exploration for the treatment of cancer.”...

Gene therapy study shows safety and statistically significant improvement in Parkinson's disease

...st report of direct gene transfer into a patient’s own brain cells for any adult neurodegenerative disease. The open label Phase 1 study, conducted in 12 patients with advanced Parkinson’s disease demonstrated both a lack of adverse events related to the gene therapy procedure and statistically signifi...

Adult stem cells from human cord umbilical cord blood successfully engineered to make insulin

... type 1 diabetes by allowing people to grow their own insulin-producing cells for a damaged or defective pancreas, medical researchers here have reported that they have engineered adult stem cells derived from human umbilical cord blood to produce insulin. The researchers announced their laboratory fin...

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