Word: cancer
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...young black woman named Henrietta Lacks was admitted to Johns Hopkins Hospital and given a diagnosis of cervical cancer. During treatment, doctors removed a sample of her tumor and sent it to a research lab without her permission. Lacks died a few months later, but the sample lived on--and on and on. The strain, dubbed HeLa, was the first human tissue to be successfully kept alive as a culture. Since her death, Lacks' cells have been shot into space, infected with tuberculosis and zapped with radiation to test the effects of a nuclear bomb. HeLa helped develop the polio...
...Professor Raghu Kalluri, who is associated with the BCMP department, said that the discovery of the proline trigger will serve as a useful example for scientists seeking to understand how cancer cells evolve and also how normal cells are co-opted by cancer cells in a given organ...
When normal cells are hijacked by cancer cells, the natural substances are similarly triggered to aid the proliferation of the cancer. Just as the Harvard scientists were searching for the transforming factor in the case of the roundworm, the trigger of how normal cells aid cancer cells in becoming lethal tumors is “the unknown everybody is going after right now in cancer research,” Kalluri said...
Early stage prostate cancer can be harmless, and might never present health problems even if untreated. But in some patients, the cancer metastasizes, spreading to other parts of the body and becoming more dangerous...
...don’t want to do a life-altering procedure if the patient’s cancer would have never progressed,” she added. “At the same time, you don’t want a patient to develop a malignant tumor and die if we could have simply treated [it] more aggressively...