Yeast Provides Evidence For Continuous Membrane Theory
...hicago have new evidence to support acontroversial theory about tiny intracellular structures called organelles.Their findings support the theory that certain organelles form aninterconnected system where one organelle gives rise to another throu...In Animal Groups, Scientists See Patterns That Could Predict The Future
...cience articles that explore the usesof complexity theory in natural and social science. Pattern that emerges from aggregation is not limited to living systems, Parrishsays. Snowflakes are a classic example. A single flake falls and is beautiful tolook at. A stormful of flakes stick together and are carved ...UCSF Lab Makes Observation That Could Explain Ability Of Modified Cold Virus To Kill Cancer Cells
... behavior, and ultimately causing cell death. This theory has borne out, first in laboratory cell cultures and now in clinicaltrials. But recent laboratory studies have also demonstrated that ONYX-015 isable to replicate in tumor cells in which p53 remains intact. And this, saidMcCormick, "has led to spec...Autoimmune Diseases May Be Triggered By Cells From Your Mother
...y autoimmune disease. The problem with the theory has been that men get autoimmune diseasestoo. But this week, at the Experimental Biology '99 meeting in Washington DC,researchers announced that maternal cells can also cross over to fetuses andsurvive for decades. J. Lee Nelson and her colle...Montana Hantavirus Study Looks At Why The Mouse Goes Into The House
...ty buildings maybe drawn by the scent of a mate, a theory he plans to test in the future. What's astounding, he added, is how quickly the mice find thebuildings--within 15 minutes after dark. "If you leave your deck door open, you're going to have deer mice goingin and out and your cat's no...Slimy Bacteria Common Cause Of Chronic Infections
...ntibiotic artillerythat's lodged against them. One theory is that some of the cells grow so slowly - or are so starved - thatthey don't pass along the antibiotics. Another idea is that some of the cellsset up barriers to block penetration. The future of biofilm research will see the continued disse...Women With Low Cholesterol May Be At Risk For Depression And Anxiety
...evel drops precipitously, giving rise to the novel theory that somecases of postpartum depression result from low cholesterol, he said. In addition, pinpointing low cholesterol as a risk factor for depressionadds weight to the theorythat depression and other mental disorders are largely determined ...Researchers Propose A Revolutionary New Theory About The Way Cells Communicate
...UC San Francisco are proposing a revolutionary new theory aboutthe way cells communicate at long distance. T...uit fly Drosophilamelanogaster, but, they say, the theory could be applicable to some types ofcell communication in many life forms. The researchers were inve...Roundworm studies yield new insight into organ formation
...heir spread in mice andhumans," said Kimble. One theory is that the worm enzyme, like one of its vertebrate familymembers, snips apart a molecule called collagen that makes up the supportingstructural matrix that plays a key role in the formation of many organs andtissues. The scientists' future experimen......strogen (female hormone) receptors, and there is a theory that theseweak estrogenic compounds could have a negative effect on the development of themale reproductive tract." Again, the first step will be to determine if thesecompounds reach the amniotic fluid from the mother's diet. If so, do they haveany i...Schizophrenia possibly linked to early brain development
...om his laboratory, tosupport a neuro-developmental theory of schizophrenia. "The idea of schizophrenia developed over the last 10 years is there'san early insult in the first trimester of pregnancy that basically pushes braindevelopment in a somewhat aberrant direction," he said. LaMantia's wor...The mathematics of capillary phenomena
...d in general cannotbe solved exactly. Further, the theory was difficult to confirm experimentallybecause cap...s the history and currentstate of the mathematical theory of capillary phenomena. It can be accessedunder the Journalists' Section at our website at www.ams...Head trauma damages DNA repair mechanism
...'s lab is currently evaluating the energy-draining theory bypharmacologically inhibiting PARP in rodents. Michelle LaPlaca, PhD, a former post-doctoral fellow in McIntosh's lab waslead author of the study. Penn colleagues Ramesh Raghupathi, PhD, assistantprofessor of neurosurgery, and Kathryn Saatman...Single amino acid change in herpes virus prevents it from infecting neurons
...g its life span in the cell. To test the theory that ICP0 is crucial for infecting neurons, Van Santcreated mutant herpes viruses in which ICP0 protein differed from normal ICP0proteins by a single amino acid. When he injected this mutant virus into theepidermal cells of mice, the virus was unabl...Damaged spinal cord found to have greater potential for nerve regrowth than thought possible
...ord. Silver explained that the current, dominating theory holds that both normal as well as injured adult white matter tracts in thespinal cord are overtly inhibitory because they contain molecules within the myelin sheaths that signal nerve fibers not to grow. "One might suspect that the added amount of da...Discovery might boost cystic fibrosis therapy
... The finding is important because it confirms a theory of how lungsprotect themselves and may suggest better ways of treating cystic fibrosis, themost common lethal genetic illness among whites, the researchers say. "We found that this rare disorder, which is called systemicpseudohypoaldosteronis...Clemson University delivers healthy mares and foals
...a in humans." The researchers tested their theory in the laboratory and foundthat Equidone did in fact block the activity of alkaloids extracted fromthe contaminated grass. They then moved to testing the treatment on horsesgrazing on fescue pastures and got positive results in the very first study. ...New UNC-CH study explains variations in onset of ice ages
...alysts believed. His new work appears to confirm a theory proposed in the1920s by Serbian astronomer-mathematician Milutin Milankovitch and widely helduntil called into question during the past three decades. "The earth circles the sun every year in an orbit that becomes eithermore elliptical or les...A new view of visual system development
...ual cortex, ending up with equal shares. "The old theory is that inputs from the two eyes start out complet... territories with no favorites in the battle." The theory posits thatthis sorting-out process can occur before birth, leading researchers to concludethat spon......tmospheric warming effects ofgreenhouse gases. The theory is based on nearly 30 years of observations, usingtechnology patented by the UW, that relate the amount of visible haze tosunlight reflected back into space and to the mass and composition of hazeparticles. Now NASA is planning a mission, called PICA...