Tag: "stimulate" at biology news

Laser Microscope At Cornell Images Serotonin In Live Cells

...tonin is secreted it is available in the tissue to stimulate swelling and fluid release," she said. The researchers used a pollen-like antigen to add to the solution that turned the signal on in the cell. As that was happening, the laser was illuminating the process to visualize the granules. Webb said he ho...

Vietnamese Chemist Finds New Use For Old Cashew Shells

...a year under a NationalScience Foundation grant to stimulate U.S.-Vietnamesepartnerships. Mark is known worldwide for his polymer researchand is a member of UC's Polymer Research Center. Vu was workingas a research chemist in Hanoi before coming to UC to work on herdoctoral degree. The goal of the research pro...

Purdue Study Aims To Boost MRI Capabilities

... the patient, called eddy currents, which then may stimulate nerves and muscles." Little human data are available on the stimulating effects of MRI gradient fields, Bourland says. "Our research is aimed at determining at what levels patients can feel the magnetic fields, and at what levels the symptoms are acc...

New Vaccine Blocks Viral Entry In Cattle, May Have Implications For Human Vaccines

...rs to protect the body's surfaces. Our idea was to stimulate that part of the immune system." Letchworth and research assistant Xiaoping Zhu tested the vaccine on 20 cattle from a herpes-free herd. After vaccinating the animals, the scientists challenged each cow with ten million units of BHV-1. "That's an...

Emory Researchers Advance Gene Therapy Studies For Metastatic Melanoma Treatment

...the cell itself (an autocine effect), while others stimulate neighboring tissue, such as immune cells, for a lo... the mouse to see if it generates enough GM-CSF to stimulate the mouse to mount a heightened immune response and destroy the tumor." "In our studies, positioni...

First Planned Release Of Captive Lemurs In Madagascar Wilds Expected In Fall

...lds. Besides releasing lemurs, organizers hope to stimulate a stronger conservationmindedness in Madagascar's own citizens. Toward that aim, Malagasy scientistsand nearby villagers will be closely involved in project research and activities.And the reintroduction efforts will also provide local Malagasy with ...

First Salmonella Vaccine For Poultry To Be On The Market Soon

... of his vaccine is that it is oral and designed to stimulate all three lines of defense: the secretory immune system, which protects the gastrointestinal tract, lungs and genital and urinary organs; the blood, which sends antibodies to fight toxins; and specialized killer cells. Most vaccines are injected and...

Molecular Piracy Turns Protein Into Traitor

...at it binds to the chemokine receptor but does not stimulate the normal response. Instead, the resulting viral chemokine, vMIP-II, acts as an antagonist blocking the normal action of the receptor. Even more surprisingly, vMIP-II is able to block two distinct types of chemokine receptors, so called CC and CXC ...

Captive Lemurs To Depart For Madagascar Oct. 17 For First Release Into The Wild

...sides releasing lemurs, project organizers hope to stimulate a stronger conservation mindedness in Madagascar'sown citizens. Toward that aim, Malagasy scientists and nearby villagers will be closely involved in project researchand activities. And the reintroduction efforts will also provide local Malagasy with...

New Form Of Gene Therapy Holds Promise For The Future

...etically altered virusthat could not reproduce. To stimulate and control the production of luciferase,the researchers inserted specific short pieces of deoxyribonucleic acid (DNA) infront of the luciferase gene. These short DNA elements respond to internalsignals by turning genes on and off. The trick ...

Scientists Use IGF-I To Grow New Membranes Around Neurons

...used an insulin-like growth factor called IGF-I to stimulate growth of a myelin membrane sheath, similar to a s... is a co-investigator on the project. Because they stimulate growth of nerves, bone and muscle tissue, growth factors have been the subject of intensive research...

Whitaker Awards $6.8 Million For Biomedical Engineering Education

...new biomedical engineering teaching laboratory and stimulate new research, with an emphasis in minimally invasive medical technologies. The educational emphasis will be in engineering design. Research will emphasize minimally invasive medical technologies. The grants were made under the foundation's progr...

Recombinant Protein Immunizes Mice, Promises New Strategy Against Infection And Cancer

...onsto the rule that soluble proteins are unable to stimulate CTL responses. Infact, heat-shock proteins are extremely potent in stimulating a CTL immuneresponse," says Dr. Young. Heat shock proteins, or stress proteins, are a family of proteins thatcells produce in response to stress from heat, injur...

Dendritic Cell Therapy For The Treatment Of Cancer

...s fromdeveloping into a more mature form which can stimulate an immune response. These substances may even cause the death of the dendritic cells. However, immunologists now think it should be possible to over-ride the effectsof these substances. Dendritic cells can be separated from the patient's bloodor bon...

Regulator Of Fat Thermostat Found

...that results were similar whencortisol was used to stimulate leptin release. Although the heavier patients responded to dexamethasone treatment, most weremoderately obese. Dagogo-Jack notes that the findings may not apply to peoplewho are morbidly obese, defined as having a BMI of 35 or above. "The ability to...

Columbia Researchers Identify Gene For Inherited Baldness

...ts thatthe gene initiates a cascade of events that stimulate hair growth. Each stepalong this pathway may provide new clues for male pattern baldness and otherforms of hair loss, or alopecia. "The discovery of this new gene gives us endless possibilities that mayallow us to effectively treat hair lo...

Top Scientists Challenge Others: Join Biodiversity Year

... headquartered in Paris. It was created in 1991 to stimulate Biodiversity Sciences, under the auspices of The International Council of Scientific Unions (ICSU), the United Nations Educational, Scientific and Cultural Organization (UNESCO), the Scientific Committee on Problems of the Environment (SCOPE), the In...

Towards A Local Stimulation Of Natural Bypass Growth - Max Planck Scientists Developed New Treatment For Ischemic Heart Disease

...seased and healthy areas of the heart, and thus stimulate the growth of true natural bypasses at exactly the location where it is needed....

Hormones Found In The Brain May Determine How Much You Eat And Affect Obesity And Diabetes

... ways toinhibit eating. The hormones were found to stimulate the appetite oflaboratory rats. The neuropeptides, or ligands, which are calledorexin-A and orexin-B, and the receptors, OX1R and OX2R, allude to theGreek word orexis, for appetite. "These receptors and ligands regulate feeding behavior, whic...

Global Change: Will Some Plant Species Be Left Behind? Studies Of EcosystemDynamics Make Wide Use Of Computer Models

...ncy, USA) and co-workers developed such a model to stimulate the successionof tree species in forests. They found that tree species should be able tomigrate fast enough to keep up with climate change in the mountainous terrain ofthe Pacific Northwest, but not in the gently rolling terrain of midwestern US.This...

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