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Tag: "fix" at biology news

Controversial drug shown to act on brain protein to cut alcohol use

...will be available in a close future; it would help fix aproblem that we've been struggling with for ages. A naturally occurring hallucinogen advocated by some clinicians as apotent anti-addiction drug has been rigorously studied for the firsttime, confirming its ability to block alcohol craving in rodent...

Plants respond similarly to signals from friends, enemies

...ly to signals from both rhizobia, the friends that fix nitrogen for the plant, and root-knot nematodes, the parasitic foes that want to harm the plant. Signals from both outsiders induce rapid changes in distribution of the plant's cytoskeleton, which is part of a pathway that leads to a series of growth...

The secret lives of whales

... of the world. If he hears a whale singing, he can fix its location and position it in space and time and observe multiple animals that are 100’s of miles apart—cohorts of humpback singers moving coherently?and watch the collective migration of species over large portions of an ocean basin. “So if I am a...

Family trees of ancient bacteria reveal evolutionary moves

...eath structure, filamentous growth, the ability to fix nitrogen, thermophily (love of heat), motility and the use of sulfide as an electron donor. "We will need lots of analyses of the micro-fossil record by serious paleobiologists to see how sound this hypothesis is," Blank said. "This time frame is on...

To Stop Evolution: New Way Of Fighting Antibiotic Resistance Demonstrated By Scripps Scientists

...te repair enzymes, which then go to work trying to fix the problem. If the damage persists, the cell upregulates recombination enzymes, which are tasked with recombining the DNA -- another way to repair it. And, says Romesberg, if the damage still persists, the cells upregulate enzymes whose sole task is...

Disabling gene defuses rheumatoid arthritis in mice

...f these cells are like guided missiles: they get a fix on a specific target, pursue it and attack it. "Classically, everyone thought that the T cells somehow recognized something specific in the joint like collagen or some other protein and attacked it," Peng explains. "In recent years, though, it's bec...

Researchers pioneer new gene therapy technique using natural repair process

...ct the defect in a small number of immune cells to fix the problem," said Dr. Porteus, assistant professo...utions to the gene therapy technique. "That we can fix mutations in human immune cells makes us very optimistic that this therapy will work in several othe...

Chronic Sinus Infection Thought To Be Tissue Issue, Mayo Clinic Scientists Show It's Snot

...ealthy patients undergoing septoplasty, surgery to fix a deviated septum, for comparison with the specimens from the chronic sinus infection patients. Through various forms of laboratory examination of the tissue and attached mucus, the investigators observed an abundance of major basic protein throughou...

Study: Well-known protein helps stem cells become secretory cells

...n don't work, and stem cells might be able to help fix that problem, the researchers note. "The key is knowing how pancreatic cells know what hormones to produce and release, or how any gland does, and the new findings add to that knowledge," says Deborah Andrew, Ph.D., professor of cell biology in Johns...

Doctors should stop prescribing antibiotics for the common cold, review advises

...ntibiotics for colds. "Patients will get a quicker fix if they take decongestants such as pseudoephedrine (Sudafed)," he says. ...

New study finds how cells with damaged DNA alert the immune system

... cell cycle is halted so that the cell has time to fix the damage before the DNA is replicated. If the damage is too severe for the cell to repair on its own, it can trigger cell death, a process known as apoptosis. "All of this is happening autonomously within the cell," said Raulet. "What's new about ...

Renewed hope for Parkinson's patients

... cell cycle is halted so that the cell has time to fix the damage before the DNA is replicated. If the damage is too severe for the cell to repair on its own, it can trigger cell death, a process known as apoptosis. "All of this is happening autonomously within the cell," said Raulet. "What's new about ...

Normal chromosome ends elicit a limited DNA damage response

...vered with telomeric proteins. "The cell tries to fix everything to make sure that the genetic information is safe and complete for the next generation of cells," says Verdun. "But in the case of healthy chromosome tips or telomeres, repair would have disastrous consequences," he adds. Repairing telome...

Scientists discover the molecular switch for nerve cells' insulating jelly rolls

...d. If so, it may one day be possible to enhance or fix damaged spinal cords and brain tracts that have lost their myelin due to injury or disease by transplanting into, or turning on, a functioning neuregulin gene in nerve cells. "Is it possible that this same switch can reprogram a nerve cell that has l...

Gene therapy for muscular dystrophy fixes frail muscle cells in animal model, Stanford study finds

...d is that it could potentially provide a long-term fix for a variety of genetic diseases, including muscular dystrophy. In muscular dystrophy, the muscle cells break down and are slowly replaced by fat. Eventually people with the disease are confined to a wheelchair and usually die in their 20s. There i...

Cells from amniotic fluid used to tissue-engineer a new trachea

...otic fluid that surrounds it, to create patches to fix birth defects -- in this case, even before birth. ...be safely repaired after birth, Fauza's goal is to fix tracheal defects in utero. Once the baby is born, tracheal surgery requires that the baby be intubat...

Johns Hopkins flu expert calls for mandatory vaccination of health care workers

...tients may improve vaccination rates, but it won't fix the problem. From a hospital policy standpoint, this is a real patient safety issue and vaccination can be viewed as a means of protecting patients from influenza exposure and the related mortality seen among vulnerable populations. Vaccination shou...

Hot-spring bacteria flip a metabolic switch

...ay job of photosynthesis and unexpectedly begin to fix nitrogen, converting nitrogen gas (N2) into compou...ut until now, it was unclear which organisms could fix nitrogen--especially in the hotter regions of the mat. "The cyanobacteria are true multitaskers wit...

Patterns in genome organization may partially explain how microbial cells work

...chromosomes may have something like ZIP codes that fix groups of genes to certain locations within the cell where they are most needed," said Timothy E. Allen, a member of Palsson's team at UCSD who is currently an assistant professor of biomedical engineering at the University of Virginia. He said the s...

Pitt professor's theory of evolution gets boost from cell research

... and expresses itself. "You just can't do a quick fix on the environment to prevent extinction because the cause of the mutation occurred some time in the past, and you don't know what the cause of the stress was at that time," Schwartz said. "This new understanding of how organisms change provides us ...

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