New target for treating drug-resistant melanoma found A new study explains why some melanoma tumors are resistant to BRAF inhibitor treatment. Melanoma is the deadliest form of skin cancer, killing more than 8,000 people in the U.S. each year. Approximately 50 percent of melanoma tumors are driven by mutations in the BRAF gene, and patients with these tumors are prescribed BRAF inhibitors.
High rates of MRSA transmission found between nursing home residents, health care workers Healthcare workers frequently contaminate their gloves and gowns during everyday care of nursing homes residents with drug resistant Staphylococcus aureus or MRSA
New method may eliminate antibiotic use in livestock An animal scientist has developed an antibiotic-free method to protect animals raised for food against common infections. The innovation comes as growing public concern about antibiotic resistance has induced McDonald's, Tyson Foods and other industry giants to announce major cuts in antibiotic use in meat production. About 80 percent of antibiotics in the United States are used by farmers, because they both protect against disease and accelerate weight gain in many farm animals.
Programming DNA to reverse antibiotic resistance in bacteria New research introduces a promising new tool to combat the rapid, extensive spread of antibiotic resistance around the world. It nukes antibiotic resistance in selected bacteria, and renders other bacteria more sensitive to antibiotics. The research, if ultimately applied to pathogens on hospital surfaces or medical personnel's hands, could turn the tide on untreatable, often lethal bacterial infections.
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