Tag: "subtype" at biology news

Selective marker found to indicate aggressive form of breast cancer

...tic marker." The basal epithelial breast cancer subtype represents 17 to 37 percent of all breast cancers ...er demographic groups. Among breast cancers, this subtype is known to have an early age of onset and a very short time between treatment and relapse. It is mo...

Africa's first large-scale HIV vaccine study launches

...otential to protect against the clade C virus, the subtype prevalent in South Africa. Phase IIb trials cannot be used to support licensure of a vaccine, however, the data from this study will guide whether this type of vaccine approach offers promise to interrupt the continued spread of HIV. Additionally,...

Fighting influenza & co. with 40,000 blood samples

...reme virulence. The patho-gen, the influenza virus subtype A/H1N1, homed in on women and men in the prime of their lives. 'Normally respiratory diseases are dangerous for children and the over-60s,' the project coordinator Dr. Oliver Schildgen explains. 'What's more, in the case of the elderly the flu vaccin...

Study examines risk of soft tissue sarcomas in hereditary retinoblastoma survivors

...ereditary retinoblastoma patients. The most common subtype was leiomyosarcoma, a cancer of smooth muscle cells that was diagnosed in 23 of the patients. Other frequently diagnosed sarcomas were fibrosarcoma (13 patients), malignant fibrous histiocytoma (12), rhabdomyosarcoma (8), and liposarcoma (3). The aut...

Changes in amino acids in the 1918 influenza virus cut transmission

...hat of 1918, which was caused by a novel influenza subtype virus capable of causing severe respiratory disease and death," says Dr. García-Sastre. "So if we can understand the molecular mechanisms behind its transmission, perhaps we can do something to block transmission and prevent illness." To do this, ...

Scientists identify pancreatic cancer stem cells

...hat define the highly aggressive pancreatic cancer subtype are not identically matched to those found in aggressive breast cancer, the researchers also discovered. The difference is in one marker, CD24, which is negative in breast cancer and positive in pancreatic cancer, according to Simeone. "These stu...

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