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Posts Tagged "tumor"

Extinction Countdown

New test creates hope for cancer-plagued Tasmanian devils

Nearly 70 percent of the world’s Tasmanian devils (Sarcophilus harrisii) have been wiped out in the past 10 years by a contagious cancer known as devil facial tumor disease (DFTD). Now a new test could help determine which devils are carrying the disease before symptoms show up, enabling conservationists to move cancer-free creatures to quarantined [...]

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Guest Blog

Hallmarks of Cancer 7: Genome Instability and Mutation

BRCA1 structure

All cancers share ten underlying principles, also known as the Hallmarks of Cancer. You can read about the first six here. The seventh is defined as genome instability and mutation. Cancer Cells Evolve Not all cancer cells are equal. They vary, they compete, and the fittest survive to pass on their genes to daughter cells, [...]

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Guest Blog

Hallmarks of Cancer 6: Tissue Invasion and Metastasis

The Hallmarks of Cancer are 10 underlying principles shared by all cancers. You can read the first five Hallmarks of Cancer articles here. The Sixth Hallmark of Cancer is defined as “Tissue Invasion and Metastasis.” A growing tumor will eventually spawn pioneer cells; these move out of the original clump of mutant cells to invade [...]

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Guest Blog

Hallmarks of Cancer 5: Sustained Angiogenesis

Before and After Image depicting Angiogenesis

The Hallmarks of Cancer focus on 10 underlying principles shared by all cancers. You can read the first four Hallmarks of Cancer articles here. The Fifth Hallmark of Cancer is defined as “Sustained Angiogenesis.” In a developing embryo or a healing wound, communities of cells organize themselves into tissues, undertaking specialized tasks beyond the ability [...]

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Observations

Gamma-Knife Surgery Halts Growth of World’s Tallest Living Human

gamma knife

Years of surgeries and medications were unable to stop Sultan Kosen’s runaway growth. In 2010 at age 27 and a height of 2.46 meters (eight feet, one inch), he became the world’s tallest living man, according to Guinness World Records. But he wasn’t done growing. Kosen had been diagnosed with a growth disorder at age [...]

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Observations

Web site shows how a tumor grows in 3-D

Amgen, angiogenesis

Ever wondered what it looks like when tumor cells grow inside the body? Drug maker Amgen is hoping to sate this morbid sort of Fantastic Voyage with a new Web site that takes viewers through the various stages of tumor angiogenesis in 3-D. Angiogenesis is a physiological process whereby new blood vessels grow from existing [...]

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