A new view of visual system development
...t completelyoverlapping," explains Katz, "and they fight it out and separate into twoindependent territories with no favorites in the battle." The theory posits thatthis sorting-out process can occur before birth, leading researchers to concludethat spontaneous brain activity -- not visual input -- is the ...Gene therapy trial using cold virus to begin at UK
... therapy willprove to be another effective tool to fight ovarian cancer, along with surgeryand chemotherapy." Many diseases, including cancer, result from defective, or mutated,genes in cells. The goal of gene therapy is to deliver a correct copy of themutated gene directly to the nucleus of the a...Jefferson scientists create first transgenic mouse model of hepatitis B-based liver disease
...critical immunesystem elements that normally would fight the virus. When the mice arereconstituted with a normal immune system in a procedure akin to bone marrowtransplantation, they do not recognize the virus as -- self-- and develop liverdisease. The researchers report their results in August in......ance the ability of the bodies' immune response to fight tuberculosis andother microbial infections. A report of the finding, published Friday in the journal Science,includes among its authors Patrick Brennan, professor of microbiology, and JohnBelisle, assistant professor of microbiology. ...'Keys to cures' -- an online expedition to the frontier of biomedical research
...ind potent new medicines to kill tumors, dullpain, fight inflammation and ward off infections. In addition to their search for new medicines from the sea, mission scientistswill be cataloging sea life, using Harbor Branch's JOHNSON-SEA-LINK (JSL)submersible to study underwater habitats never witnessed by h...Plants, pathogens engage in trench warfare
...'arms race' theory in which plant resistance genes fight brief battles withmicrobes before both plant and pathogen mutate to higher and higher levels ofresistance and virulence. Joy Bergelson, assistant professor of ecology & evolution at the University ofChicago, favors an alternative hypothesis she calls...Scientists image key steps in bacterial infection
...nfection. One set of X-ray imagesshould aid in the fight against bladder infection. A second set captures a keyevent in kidney infection. The two papers appear in the Aug. 13 issue ofScience. "These are the first detailed snapshots of the basis for an interaction betweena disease-causing bacterium and its ...St. Jude researchers discover genetic reason why some patients resist HIV therapy
... findings could lead to developing newtherapies to fight HIV infection, several viral diseases and certain cancers. Scientists have known that drug-resistant HIV strains caused by geneticmutation have thwarted the effectiveness of drug therapy. However, for the pastfew years, scientists have noted HIV ...Wistar Institute scientists find key piece in gene regulation puzzle
...nterleukin-12, which are helping the immune system fight bacteria, parasites,viruses and cancer; and location of genes that contribute to the development ofdiseases like breast, lung and prostate cancer. Wistar is a National CancerInstitute Cancer Center....Researcher finds plant toxin that causes fungal suicide
... is one of several chemicals thatplants produce to fight off fungal invasions. To see how osmotin worked, Bressantested it against yeast. While yeast isn't a plant pathogen, it is a fungus that's both easy to work withand well understood. Also, in interactions with osmotin, yeast acts the same asfungi that...Striking back at biological invaders
...ntists around the world are learning topredict and fight these biological invasions. As we shrink the size of the Earth with advances in technology, trade, andtravel, our fellow plant and animal inhabitants are coming along for the ride,often with disastrous consequences. Invasive species have already left...Bubonic plague kills by cutting off cellular communication
...ommunicate with other immune systemcells needed to fight off the bacterial invasion. In a study published in theSept. 17 issue of Science, University of Michigan scientists identify oneprotein responsible for the plague's lethal effect and the molecular family ittargets. "Yersinia is a clever pathogen," s...Tracks in iron provide an insightful map of microbial world
...rganisms have evolved," Beard says."Microorganisms fight for iron and some have developed a chemical compound thatallows them to grab iron and store it for future use." Beard says his group next plans to apply the technique to a piece of the MarsRock, a controversial meteorite that some scientists believe ...UT Southwestern researchers kill latent HIV-infected cells using immunotoxin
...ant toxin, ricin.Antibodies are the molecules that fight infections in the body. HIV currentlycan be controlled by highly active antiretroviral therapy (HAART), but if thattreatment is halted, the virus reappears. Similar immunotoxins directed againstother molecules have been used in more than 200 cancer p...Science and Amersham Pharmacia Biotech award Young Scientist Prize
...system's "memory", or its ability to recognize and fight off invading pathogens. These two seemingly contradictory processes may also be involved in tumor growth, which could give her research clinical applications for treating certain cancers. Her study of immunoglobin gene mutation suggests that the high...Key progress by Weizmann scientists in the race to unravel ribosomal structure
...in biosynthesis may one day improve the ability to fight the pathogenic,uncontrolled protein production characteristic of cancer cells. Prof. Ada Yonath holds the Martin S. Kimmel Professorial Chair. This research was funded by theMax-Planck Society, the US National Institutes of Health (NIH), the German ...'Frozen pictures' allow far-reaching glimpse into the cells protein factory
...in biosynthesis may one day improve the ability to fight the pathogenic, uncontrolled protein production characteristic of cancer cells. Prof. Ada Yonath holds the Martin S. Kimmel Professorial Chair. This research was funded by the Max Planck Society, the US National Institute of Health, the German Fede...Chemistry to play major role in solving 21st century challenges
...s and doctors to assemble an impressive arsenal to fight disease and hunger and, potentially, to correct devastating genetic disorders. The ability to manipulate genes "could [also] lead to the development of genetically engineered pathogens, toxins and biomodulators as weapons targeted to specific ethnic...Researchers discover new vein of cancer-fighting agents
...ogenic inhibitor will be used as a single agent to fight cancer," Kalluri says. "They're potentially powerful drugs for controlling tumor growth, but for complete control of cancer angiogenic inhibitors probably will have to be used in combination with existing therapies, such as radiation and chemotherap...Researcher finds alternatives to antibiotics for growing chickens
...reatly reduce investment in new pharmaceuticals to fight infection in both animals and people. "To keep...to Cook. That would lead to animals better able to fight off infections on their own, thus further decreasing the need for antibiotics to treat sick birds....