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Campaign against unproven products might have unintended consequences
Why are research scientists speaking out against anti-aging medicine, and what are the potential consequences?
The campaign against anti-aging medicine has recently been launched by an international group of some 50 biogerontologists – biologists who conduct research on the basic processes of aging. Proclaiming that there is “no truth to the Fountain of Youth” in Scientific American and other publications,
A Duke University Medical Center neurobiologist has identified key mechanisms by which the intricate “protein machines” that govern the strength of connections among neurons build and remodel themselves to adjust those connections.
Such remodeling of the connections, called synapses, is central to the establishment of brain pathways during learning and memory, said the scientists. Also, malfunction of the synaptic machinery might well play a fundamental role in the pathology of neurodegenera
The technique that helped revolutionize modern biology by making the mouse a crucible of genetic manipulation and a window to human disease has been extended to human embryonic stem (ES) cells.
In a study published today (Feb. 10) in the online editions of the journal Nature Biotechnology, a team of scientists from the University of Wisconsin-Madison reports that it has developed methods for recombining segments of DNA within stem cells.
By bringing to bear the technique, known in
May have potential value in treating patients with hematologic cancers
Researchers have developed a novel approach to genetically instruct human immune cells to recognize and kill cancer cells in a mouse model. The investigators plan to ultimately apply this strategy in a clinical trial setting for patients with certain forms of leukemias and lymphomas.
Scientists at Memorial Sloan-Kettering Cancer Center (MSKCC) genetically engineered an antigen receptor, introduced it into
New materials will have applications in electronic and optoelectronic devices, electrocatalysis, electroanalysis and sensors
Scientists at the University of California, Riverside have synthesized a large family of semiconducting porous materials that have an unprecedented and diverse chemical composition.
The new materials show several different properties such as photoluminescence, ion exchange, and gas sorption. They also have a large surface area and uniform pore sizes. I
Scientists study the affects of nitrogen fertilizer applied to corn hybrids
Scientists at the USDA-ARS, Jamie Whitten, Delta States Research Center in Stoneville, MS, have found that Bt concentrations in young corn plants are directly influenced by the amount of nitrogen fertilizer applied at planting. The research is published in the January-February 2003 issue of Agronomy Journal.
Hybrid corn cultivars genetically modified to have the Bt-producing gene synthesize special p