Georgetown University researchers discover new paradigm in cellular communication
...ur work has revealed a completely new paradigm for communication between two different cellular receptors that is critical for cell motility, said Sarah Spiegel, PhD, the lead investigator for this study and professor of biochemistry and molecular biology at Georgetown. It has profound implications for normal matu...Calcium signals found to guide nerve cell development
...he growth cones are transformed into synapses, the communication connections between the nerve cells. "The movement, the steering, the guiding in the growing nerve cell is all done by the growth cones," says Spitzer. "The growth cones are the pioneers, leading the way for the growth of the axons behind them." To ...Researchers find new clues to nerve cell development
...h embryonic axon, and later becomes a synapse, the communication connection between nerve cells. Filopodia sprout from each growth cone and are in constant motion, in search of guidance cues deposited by supporting cells and secreted by target cells, which are often located a great distance from the neuron's cell ...Elephants pick up good vibrations - through their feet
...o suspect there was more to long-distance elephant communication than airborne rumblings alone. "I started working ...n we measured, the maximum range of their airborne communication would be enhanced considerably," she concludes. Mock charges and mates The implications of O`Connell...Scientists find great-granddaddy of enzyme family
...e bacteria and archaea domains. It plays a role in communication between different types of bacteria and performs a dual role in converting organic matter to methane. "In the process of decomposing organic matter to methane, acetate kinase is used in different ways by different bacteria," Sanders says. "While some...Social scientists and biologists collaborate to address human dimensions of biodiversity
...in which scientists are joining forces to increase communication of important new information on biodiversity. The interdisciplinary panel is an important step towards the integration of biological and social sciences that is necessary to consider human dimensions of biodiversity. Traditionally social science re...Hopkins Study suggests families benefit from raising children with chronic illnesses
...on. Mothers reported stronger family bonds, better communication between family members, and increased awareness of their childrens needs. Lead author Robin Chernoff, M.D., and her colleagues asked 190 mothers of various races at different income and educational levels to assess their positive feelings about carin...Los Angeles oiled bird rescue center opens
...es with pools forpelicans. Hospital area's two-way communication system soschoolchildren and other visitors can see and talk torehabilitators as they care for injured birds. Video camerasand monitors connected to outdoor aviaries to allow thepublic to view animals in care. BACKGROUND: Oiled birds have their best c...New materials hold promise for human healing applications
...ponent," Badylak said. "It actually functions as a communication highway between cells." In animal tests, the materials have been shown to work as a scaffolding that communicates with surrounding cells and facilitates the repair of damaged tissues. The scaffolding eventually disappears as it is assimilated into t...Baltimore chemist wins national award for insights into body's carbohydrates
...ses on the role of carbohydrates in signaling, the communication within the body between molecules and between cells. "In the late 1970s we started to examine liver cells, which have very powerful carbohydrate receptors (for signaling)," he said. "We realized that if we could design a small molecule with a high ...American Society for Microbiology selects Mass Media Fellows
...ning in the microbiological sciences and to assist communication between scientists, policymakers, and the public to improve health, the environment, and economic well being....University of Washington professor's new book seeks to rewrite understanding of cell biology
...rmones, enzymes and neurotransmitters for external communication illustrates the role phase transition can play in cell function. In the classical view of secretion, the cell packs the substance to be secreted into a vesicle, a sort of mini cell within the cell, and moves the vesicle to the cell periphery to awa...Malaria research and training benefits global community
...programs in malaria-endemic countries, modernizing communication systems used by the African research community, and strengthening research capacity and human resources where malaria takes its greatest toll - sub-Saharan Africa. MIM supports 23 collaborative malaria research projects between African laboratories ...Lobsters play biological violins
... she intends to study the evolution of signals and communication in mantis shrimp....Key step in gene activation discovered
...urn genes on. The researchers have identified the communication code between two types of these molecules, which t...rcing it to stay unwound. "The acetylation is the communication code used by the HAT complex to tell the SWI/SNF complex where to attach and where to start working,...How to build strong bones: Get milk, lose the booze
... cells, or that alcohol interferes with the normal communication between bone cells which governs the delicate balance between how much bone is formed and how much bone is resorbed." Turner and his colleagues tested the effects of parathyroid hormone (PTH), an experimental drug treatment for osteoporosis, on rats...... a-CaMKII protein triggers changes in cell-to-cell communication needed for establishing permanent memories in the cortex. Therefore, these studies provide a key molecular and cellular hint of how we hold on to our oldest memories." In future studies, the brain researchers plan to study other proteins involved in ......duced under stress reduces the supply of steroids, communication to the brain and the pituitary (a gland under the ...he production of the reproductive cells and ensure communication between the brain and the pituitary gland, thus completing the cycle....Researchers find 'north pole' of the molecular world
...d position, we should be able to better understand communication between cells." Tracking the dipole moments might also shed light on how cancer cells grow in colonies. Novotny predicts that someday molecular dipole moments may be not just ascertained but controlled, allowing for quick, custom-made molecule alignm......operated program is designed to improve scientific communication about environmental issues to the media, policy ma...rector. "They will receive advanced leadership and communication training during the coming year, and improve their ability to share scientific expertise with a broa...