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Tag: "messages" at biology news

Wisconsin scientists grow critical nerve cells

...urons, critical nervous system pathways that relay messages from the brain to the rest of the body. The new f...diseased nervous systems. Motor neurons transmit messages from the brain and spinal cord, dictating almost every movement in the body from the wiggling of a t...

New research questions basic tenet of neuron function

... the nerve cells, or neurons, in our body transmit messages to one another via chemical signals called neurotransmitters. Within neurons are tiny organelles called synaptic vesicles that sequester neurotransmitters and release them when needed into the synapse, or space between nerve cells, where the chemical...

Gene Therapy For Parkinson's Disease Moves Forward In Animals

... a vital chemical known as dopamine, which carries messages that tell the body how and when to move. In tests with 31 monkeys, including a control group, scientists inserted copies of a gene to produce GDNF into a region in the front part of the brain called the striatum. They then induced Parkinson-like cond...

Gene therapy for Parkinson's disease moves forward in animals

... a vital chemical known as dopamine, which carries messages that tell the body how and when to move. In tests with 31 monkeys, including a control group, scientists inserted copies of a gene to produce GDNF into a region in the front part of the brain called the striatum. They then induced Parkinson-like cond...

Programmable cells: Engineer turns bacteria into living computers

...ed package where the cells have an ability to send messages and other cells have the ability to act on these messages," said Weiss. The creation of patterns, such as the bull's-eye effect, is a key step in one of Weiss' eventual goals, which is to have the cells secrete materials that build physical devices ...

Computational Method Speeds Mapping of Cell Signaling Networks

...ases, external signals are converted into cellular messages that get passed sequentially from one molecule to another. Tracing the individual pathways that guide information flow inside cells is a difficult task using standard experimental methods. Multidisciplinary research teams are working on new approache...

Some Brain Cells 'Change Channels' To Fine-tune The Message

...r another. Doing so lets the cells fine-tune their messages and adjust connections within the cerebellum, the brain region that controls fine motor skills. Although the cells' channel-changing ability has been recognized for a few years, the key players controlling it hadn't been identified. Now, by studying...

Scientists journey to southern Africa to unravel the secret world of elephant communication

... signals through the ground--long-distance seismic messages that could play a crucial role in their survival a...c cues from a distressed herd." These underground messages may not be deliberate transmissions, but rather the byproducts of intense low-frequency sounds produ...

AIDS Public Awareness Campaign Expands Following Report Of Rapidly Progressive HIV

...must continue to reinforce critical HIV prevention messages to help New Yorkers protect themselves. Although, ...hysicians statewide highlighting key public health messages and the importance of garnering the participation of people with HIV in aiding New York in this effo...

WHO suspends Marburg work, appeals for new funds

...en the public understands and accepts a few simple messages ?avoid contact with blood and other fluids when caring for the ill, don’t touch bodies of the deceased ?transmission within the community can be stopped and the outbreak brought under control. International appeal Specialized international staff an...

Some Brain Cells Change Channels

...r another. Doing so lets the cells fine-tune their messages and adjust connections within the cerebellum, the brain region that controls fine motor skills. Although the cells' channel-changing ability has been recognized for a few years, the key players controlling it hadn't been identified. Now, by studying...

Discovery of New Dopamine Action May Yield Alternative Psychiatric Drugs

...said. "We've thought that neurotransmitters relay messages to the brain in two speeds: fast and slow," said l...ther that acts through signaling pathways to relay messages more slowly. Dopamine receptors exist in two forms, D1 and D2 class receptors, both belonging to a ...

Immune system's distress signal tells bacteria when to strike back

...es, such as ways to block or scramble the chemical messages that allow microbes to eavesdrop on their hosts or to conspire together to mount an attack. "We chose to study this in Pseudomonas because it is one of the deadliest infections for patients who undergo major surgery," said Alverdy. "We suspect somet...

Newly discovered genetic disease sheds light on body's water balance

... Zastrow, PhD, on how cell surface receptors carry messages into the cell that activate specific events. The V2 receptor has been widely studied as an example of a large family of proteins called G protein-coupled receptors (GPCR), which are involved in signal transduction and are responsible for many physiol...

Plankton can run, but can't hide from basking sharks

...nd then drift with the currents like a "electronic messages in bottles", before being washed up on beaches and found by the public. Sims found that while the sharks in deep waters exhibited normal diving behaviour, tracking the zooplankton Calanus up to the surface at dusk and then downward at dawn, sharks i...

High rates of sexually transmitted infections found in young drug users

...testing and education, as well as promote safe-sex messages in order to decrease the further spread of all sexually transmitted infections," said Sherman. Additional co-authors of the study were Sabrina S. Plitt, Taha E. Taha and Steffanie A. Strathdee. ...

Deep sleep short-circuits brain's grid of connectivity

...f the brain to talk to one another. In the brain, messages are relayed along networks of nerve fibers. Cells transmit information along those fibers electrochemically. Anatomically, the fibers are analogous to the cables that computers use to share information. But the network of nerve fibers, like a tangle ...

Frog peptides block HIV in lab study

...f the brain to talk to one another. In the brain, messages are relayed along networks of nerve fibers. Cells transmit information along those fibers electrochemically. Anatomically, the fibers are analogous to the cables that computers use to share information. But the network of nerve fibers, like a tangle ...

Carnegie Mellon University research reveals how cells process large genes

Important messages require accurate transmission. Big genes are especially challenging because they combine many coding segments (exons) that lie between long stretches of non-coding elements (introns). During processing, introns are snipped out and exons pasted togeth...

Reversal of role for a viral protein associated with the development of lymphoma

Important messages require accurate transmission. Big genes are especially challenging because they combine many coding segments (exons) that lie between long stretches of non-coding elements (introns). During processing, introns are snipped out and exons pasted togeth...

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