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Price: Scientists atSt. JudeChildren’s Research Hospital are working with colleagues in China to develop better therapy for childhood acute lymphoblastic leukemia (ALL). Results from a large phase 3 noninferiority clinical trial definitively showed that vincristine and dexamethasone pulses can be eliminated in patients with low-risk disease. The findings were published today in The Lancet Oncology. Adding the chemotherapy vincristine plus a steroid (originally prednisone, and later dexamethasone) as pulse therapy for childhood ALL has been part of standard care since the 1970s. This is despite their being associated with neuropsychological side effects, neuropathy and other late effects. However, to date studies about the need for prolonged treatment with pulse therapy have been inconclusive.

International collaboration helps refine treatment for childhood leukemia

International collaboration helps refine treatment for childhood leukemia
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New improved dog reference genome will aid a new generation of investigation

 E-Mail Researchers at Uppsala University and the Swedish University of Agricultural Sciences have used new methods for DNA sequencing and annotation to build a new, and more complete, dog reference genome. This tool will serve as the foundation for a new era of research, helping scientists to better understand the link between DNA and disease, in dogs and in their human friends. The research is presented in the journal Communications Biology. The dog has been aiding our understanding of the human genome since both genomes were released in the early 2000s. At that time, a comparison of both genomes, and two others, revealed that the human genome contained circa 20,000 genes, down from the around 100,000 predicted earlier. In the new study, researchers led by Dr Jennifer Meadows and Professor Kerstin Lindblad-Toh, have greatly improved the dog genome, identifying missing genes and highlighting regions of the genome that regulate when these genes are on or off.

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