Tag: "replace" at biology news

Pack-MULEs are toting a new look at plant evolution

...s the most important food for me; nothing else can replace it," Jiang said. "In the first 15 years of my life, the rice straw was the major fuel for us to cook our food." Jiang studies transposable elements the "jumping genes" of plants. The genome sequence is in a certain order. Change the order of the gen...

Targeted therapy knocks out pediatric brain cancer in mice

... that such precise, targeted therapies may someday replace traditional treatments that can have overwhelmingly negative side effects for pediatric cancer patients. The research is published in the September issue of Cancer Cell. "Therapy for pediatric cancers of the central nervous system has not improved si...

Two Virginia Tech energy-related inventions win R&D 100 awards

...wer communication devices," says McGrath. "You can replace 20 pounds of batteries with five pounds of fuel cells." Most PEM fuel cells now use a commercial product called Nafion, which operates in the 60 to 80 C (140-176 F) range and currently sells for $500 per square meter. The Virginia Tech-Battelle mat...

How do you mend a broken heart?

... Progenitor cells can produce specialized cells to replace those that have died, and may be a key to determining how heart muscle repairs itself. These European researchers will collaborate closely with American researchers at the Centre for Cardiovascular Development, Baylor College of Medicine (Houston, Te...

New fumigant to replace gas that damages ozone layer

...mmercialise ethanedinitrile (EDN) as a fumigant to replace the ozone-depleting methyl bromide which is being phased out under the Montreal Protocol. EDN is a fumigant discovered by CSIRO in 1994. Field tests have shown it to be more effective than methyl bromide in treating soil, timber and imported feed fo...

Genuine stem cells found in skin might treat hair loss, wounds

... to advance on new therapies designed to repair or replace damaged tissues and organs, said the researchers. In mammalian skin, each hair follicle contains a reservoir of stem cells, known as the bulge, which can be mobilized to regenerate the new follicle with each hair cycle and to generate new epidermis d...

Bright idea could doom cancer and viruses, say Purdue scientists

...esearch offers hope that someday we may be able to replace standard chemotherapy drugs with others that are far less generally harmful to a patient's body and guarantee safe, sterile blood for transfusions." The research, which appears in the current (Aug. 23) issue of Inorganic Chemistry, was conducted by l...

OneWorld Health compiles comprehensive state of infectious diarrhea treatments, potential solutions

...e solution of sugar and salt orally to children to replace both the water and vital nutrients (electrolytes) lost in diarrhea; it does not treat the diarrhea itself. Parents, out of frustration that ORT does not reduce stool output, purchase antibiotics for their children, which are almost always ineffectiv...

Clemson University spin-off uses corn to make plastics, provide cleaner air

...ith and his research group have found a new way to replace up to 50 percent of the chemicals that make regular plastics with polylactic acid. The end product is a plastic that has both the environmental friendliness of the corn-based product and the durability of regular plastics. Potentially, this new mater...

Jefferson Lab detector technology aids development of cystic fibrosis therapy

...and Pamela Davis. They're researching a new way to replace the defective gene that causes cystic fibrosis, a deadly disease that affects about 30,000 Americans and which has no known cure. In conventional gene therapy, a virus is used to deliver a therapeutic gene to the target cells. But this method ...

Newcastle scientists get UK's first stem cell license

...n be used to make any cell type in the body and so replace cells that have been lost as a result of disease or injury. The procedure involves reprogramming cells from, say skin tissue of a patient who has lost important cells through disease. The re-programmed cells will re-grow as the cells needed by ...

New discovery may help transplants survive

... thousand Americans receive corneal transplants to replace injured or diseased corneas. Approximately 90 percent of corneal transplants are successful because the eye is intrinsically less likely to reject transplanted material than other parts of the body. However, to suppress rejection of corneal transplan...

A changing landscape may have dire implications for birds

...utright loss of wooded habitats as roads and lawns replace native vegetation, says Pidgeon. Not only does such development shrink available breeding habitat, but it also opens corridors for bird predators such as raccoons and skunks. Lawns also provide foraging areas for brown-headed cowbirds, parasitic bird...

New UCF researchers, college will help fight Alzheimer's disease, cancer

...dying how to prevent neurons from dying and how to replace dead neurons in the brain with newly stimulated ones as therapies for diseases such as Alzheimer's and Parkinson's and strokes. He previously taught at the University of Calgary. Mark Muller, a professor of molecular genetics who last taught at Ohio ...

Fluid derived from aloe plant prolongs life after hemorrhagic shock in animal study

...amounts of blood, and there is no practical way to replace the necessary amount of blood fast enough on the front lines. When this happens, there is inadequate perfusion of the organs which quickly leads to a cascade of life-threatening events," said senior author Mitchell P. Fink, M.D., professor and chair,...

HIV reveals evolution of a primate defense against intragenomic infiltrators

...g into viral particles and inducing mutations that replace one base (cytosine) with another (uracil) as the virus undergoes reverse transcription in the host cell's cytoplasm. The edited virus fails to replicate. HIV, in turn, generates a protein called Vif that binds to the APOBEC3G enzyme and targets it fo...

A better way to copy DNA

...oped a new method for DNA amplification that could replace the polymerase chain reaction (PCR), a technique that is invaluable for both medical diagnostics and basic research but which is confined to the laboratory. In the August issue of EMBO reports, Huimin Kong and colleagues at New England Biolabs (Bever...

Gene alteration points to longevity, thinness

...an to take the Indy gene out of the C. elegans and replace it with the human gene to see if that reverses the effect. "We call it humanizing the worm," Dr. Ganapathy says. He noted an interesting difference between worm and human genes is that the human Indy gene is more adept at transporting tricarboxylates...

Therapeutic cloning may be permitted at Newcastle University

... can be used to make any cell type in the body and replace cells that have been lost as a result of disease or injury. Cells derived from ES cells may often be genetically different from the patient, and transplanted cells could be rejected by the patient's immune system. The Newcastle stem cell...

Conflicting views on embryonic and adult stem cells complicate research in stem cell therapeutics

... use a procedure called nuclear transplantation to replace the DNA of an embryonic stem cell with DNA from one of the patient's own cells, eliminating the problem of immune rejection. In another approach, differentiating small numbers of ESCs into blood cells and injecting them into the patient creates immun...

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