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Tag: "harming" at biology news

Researchers trace evolution to relatively simple genetic changes

...roduces a new type of body armor without otherwise harming the fish." ...

Octopuses occasionally stroll around on two arms, UC Berkeley biologists report

...roduces a new type of body armor without otherwise harming the fish." ...

Nano-Probes Allow an Inside Look at Cell Nuclei

...e ability to remain in a cell's nucleus -- without harming the cell or fading out -- much longer than convent...he nuclei of living cells for up to a week without harming the cell. In addition, quantum dots fluoresce for days at a resolution high enough to detect biologi...

New protein discovered by Hebrew University researchers

...rrier to penetrate specifically intotumors without harming healthy tissue and thus enhance theeffectiveness of chemotherapy. This selective penetration is based onthe fact that the blood vessels which feed tumors are considerably moreporous than those reaching healthy cells. Therefore, the units of SP-1carry...

The death of a very special chimpanzee

...rrier to penetrate specifically intotumors without harming healthy tissue and thus enhance theeffectiveness of chemotherapy. This selective penetration is based onthe fact that the blood vessels which feed tumors are considerably moreporous than those reaching healthy cells. Therefore, the units of SP-1carry...

Turning viruses into allies against cancer

...dies was engineered to attack tumors cells without harming surrounding healthy tissue. This virus also was further altered to increase its potency. However, the Biovex scientists went one step further when they inserted into the virus the gene for a powerful antitumor immunity stimulant called GM-CSF, (gran...

UCLA scientists store materials in cells natural vaults

...ming cancer drugs directly to a tumor cell without harming healthy tissue * Enzyme delivery to replace missing or defective enzymes, such as those that cause Tay Sachs disease * DNA delivery to correct genetic mutations * Timed release of drugs, enzymes and DNA * Extracting and imprisoning ce...

Virginia Tech group adds tools to DNA-targeted anti-cancer drugs

... to deliver cancer-killing drugs to tumors without harming surrounding tissue. At ACS meetings in August 2004 and March 2005, Brewer and her team announced the creation of molecular assemblies that solved two challenges facing photodynamic therapy, or activating drug delivery devices with light. The Brewer g...

Bad aftertaste? New sensory on/off switch may 'cure' bane of artificial sweetener search

... to deliver cancer-killing drugs to tumors without harming surrounding tissue. At ACS meetings in August 2004 and March 2005, Brewer and her team announced the creation of molecular assemblies that solved two challenges facing photodynamic therapy, or activating drug delivery devices with light. The Brewer g...

Why are coyotes getting more aggressive?

...ys to try to induce coyotes to fear humans without harming them. "We need to determine what people are doing, for example, to encourage coyotes into their yards, such as feeding dogs or cats outdoors and leaving the dishes out or leaving animals out at night," says Curtis. The DEC estimates that 20,000-30,...

Columbia scientists develop cancer terminator viruses

...ary tumors and distant tumors (metastases) without harming normal cells or tissues. Dr. Fisher's cancer research team includes Columbia University Medical Center investigators: Drs. Zao-zhong Su (research scientist), Devanand Sarkar (associate research scientist), Nicolaq Vozhilla (pathology technician), Eu...

Minimally Invasive Cancer Treatments Highlighted

...or (cryoablation) to treat cancer locally, without harming the healthy cells in the body. Targeted delivery of gene- and immuno-therapies are new frontiers in cancer treatment under investigation by interventional radiologists in collaboration with other specialists. Interventional radiologists are uniquely ...

Scientists develop nanotech-laser treatment that kills cancer cells without harming healthy tissue

...problems in medicine is how to cure cancer without harming normal body tissue," says Hongjie Dai, an associate professor of chemistry at Stanford and co-author of the study. "Standard chemotherapy destroys cancer cells and normal cells alike. That's why patients often lose their hair and suffer numerous othe...

Study reveals genomics of inflammation from severe injury

...re. How and why inflammation turns from healing to harming is still mysterious, so doctors can't accurately predict how each injured patient will fare. To address these issues, scientists have produced the genomic equivalent of a time-lapse movie, tracking the activity of thousands of genes through the cou...

Study Unlocks Insects?Secret for Love in the Dark

...re. How and why inflammation turns from healing to harming is still mysterious, so doctors can't accurately predict how each injured patient will fare. To address these issues, scientists have produced the genomic equivalent of a time-lapse movie, tracking the activity of thousands of genes through the cou...

Nanoparticles, nanoshells, nanotubes: How tiny specks may provide powerful tools against cancer

...uctures to exquisitely target cancer cells without harming surrounding tissue, and to image the formation of tumors long before they have a chance to become life-threatening. While diagnostics and approved therapies are years away, several are nearing clinical studies, while a few already are being tested ...

New cellular flaw found in some virulent breast cancers

...d by designer drugs to treat breast cancer without harming the patient. Previously, mice engineered to lack cyclin D1 were found to be highly resistant to certain breast cancers, and other experiments showed that mice in which the cyclin D1 gene had been inactivated developed into more or less normal adults...

Wrinkled membranes create novel drug-delivery system

...m that remains is how to cool the capsules without harming the surrounding tissue. The solution, Chaieb said, might lie in newly discovered nanoparticles that can be chilled through magnetic cooling. Chaieb and colleagues at Illinois are exploring ways to coat the capsules with the nanoparticles. When expos...

'Biobullets' fight harmful mussels

...he world's "most important economic pests" without harming other aquatic life, according to scientists at the University of Cambridge. The report, in the Feb. 1 issue of the American Chemical Society's Environmental Science & Technology journal, outlines how zoologist David Aldridge and colleagues dev...

Convergent evolution of molecules in electric fish

...odium channel gene could mutate and evolve without harming the fish. "The spare gene gave [the electric fish] a little bit of evolutionary leeway," says Zakon, professor of neurobiology. "This is really one of the first cases that the ancestral gene duplication in fish has actually been linked to a gene ...

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